From: Kalle Valo Date: Wed, 18 Nov 2015 07:42:58 +0000 (+0200) Subject: hostap: move under intersil vendor directory X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=eb4f98d5deb9b3a36e8b3ab7a9dec1b5ebc76e75;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git hostap: move under intersil vendor directory Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo --- diff --git a/MAINTAINERS b/MAINTAINERS index f2e78420488c..63c601b04e68 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5040,7 +5040,7 @@ L: hostap@shmoo.com (subscribers-only) L: linux-wireless@vger.kernel.org W: http://hostap.epitest.fi/ S: Maintained -F: drivers/net/wireless/hostap/ +F: drivers/net/wireless/intersil/hostap/ HP COMPAQ TC1100 TABLET WMI EXTRAS DRIVER L: platform-driver-x86@vger.kernel.org diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index e86dcdd5cfcb..da10b00d8af1 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -22,6 +22,7 @@ source "drivers/net/wireless/atmel/Kconfig" source "drivers/net/wireless/broadcom/Kconfig" source "drivers/net/wireless/cisco/Kconfig" source "drivers/net/wireless/intel/Kconfig" +source "drivers/net/wireless/intersil/Kconfig" source "drivers/net/wireless/marvell/Kconfig" source "drivers/net/wireless/st/Kconfig" source "drivers/net/wireless/zydas/Kconfig" @@ -116,7 +117,6 @@ config MAC80211_HWSIM called mac80211_hwsim. If unsure, say N. source "drivers/net/wireless/ath/Kconfig" -source "drivers/net/wireless/hostap/Kconfig" source "drivers/net/wireless/orinoco/Kconfig" source "drivers/net/wireless/p54/Kconfig" source "drivers/net/wireless/rt2x00/Kconfig" diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 8f54adde831e..a60c5e55b55e 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_WLAN_VENDOR_ATMEL) += atmel/ obj-$(CONFIG_WLAN_VENDOR_BROADCOM) += broadcom/ obj-$(CONFIG_WLAN_VENDOR_CISCO) += cisco/ obj-$(CONFIG_WLAN_VENDOR_INTEL) += intel/ +obj-$(CONFIG_WLAN_VENDOR_INTERSIL) += intersil/ obj-$(CONFIG_WLAN_VENDOR_MARVELL) += marvell/ obj-$(CONFIG_WLAN_VENDOR_ST) += st/ obj-$(CONFIG_WLAN_VENDOR_ZYDAS) += zydas/ @@ -15,7 +16,6 @@ obj-$(CONFIG_HERMES) += orinoco/ obj-$(CONFIG_PRISM54) += prism54/ -obj-$(CONFIG_HOSTAP) += hostap/ obj-$(CONFIG_WLAN) += realtek/ # 16-bit wireless PCMCIA client drivers diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig deleted file mode 100644 index 287d82728bc3..000000000000 --- a/drivers/net/wireless/hostap/Kconfig +++ /dev/null @@ -1,98 +0,0 @@ -config HOSTAP - tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)" - select WIRELESS_EXT - select WEXT_SPY - select WEXT_PRIV - select CRYPTO - select CRYPTO_ARC4 - select CRYPTO_ECB - select CRYPTO_AES - select CRYPTO_MICHAEL_MIC - select CRYPTO_ECB - select CRC32 - select LIB80211 - select LIB80211_CRYPT_WEP - select LIB80211_CRYPT_TKIP - select LIB80211_CRYPT_CCMP - ---help--- - Shared driver code for IEEE 802.11b wireless cards based on - Intersil Prism2/2.5/3 chipset. This driver supports so called - Host AP mode that allows the card to act as an IEEE 802.11 - access point. - - See for more information about the - Host AP driver configuration and tools. This site includes - information and tools (hostapd and wpa_supplicant) for WPA/WPA2 - support. - - This option includes the base Host AP driver code that is shared by - different hardware models. You will also need to enable support for - PLX/PCI/CS version of the driver to actually use the driver. - - The driver can be compiled as a module and it will be called - hostap. - -config HOSTAP_FIRMWARE - bool "Support downloading firmware images with Host AP driver" - depends on HOSTAP - ---help--- - Configure Host AP driver to include support for firmware image - download. This option by itself only enables downloading to the - volatile memory, i.e. the card RAM. This option is required to - support cards that don't have firmware in flash, such as D-Link - DWL-520 rev E and D-Link DWL-650 rev P. - - Firmware image downloading needs a user space tool, prism2_srec. - It is available from http://hostap.epitest.fi/. - -config HOSTAP_FIRMWARE_NVRAM - bool "Support for non-volatile firmware download" - depends on HOSTAP_FIRMWARE - ---help--- - Allow Host AP driver to write firmware images to the non-volatile - card memory, i.e. flash memory that survives power cycling. - Enable this option if you want to be able to change card firmware - permanently. - - Firmware image downloading needs a user space tool, prism2_srec. - It is available from http://hostap.epitest.fi/. - -config HOSTAP_PLX - tristate "Host AP driver for Prism2/2.5/3 in PLX9052 PCI adaptors" - depends on PCI && HOSTAP - ---help--- - Host AP driver's version for Prism2/2.5/3 PC Cards in PLX9052 based - PCI adaptors. - - "Host AP support for Prism2/2.5/3 IEEE 802.11b" is required for this - driver and its help text includes more information about the Host AP - driver. - - The driver can be compiled as a module and will be named - hostap_plx. - -config HOSTAP_PCI - tristate "Host AP driver for Prism2.5 PCI adaptors" - depends on PCI && HOSTAP - ---help--- - Host AP driver's version for Prism2.5 PCI adaptors. - - "Host AP support for Prism2/2.5/3 IEEE 802.11b" is required for this - driver and its help text includes more information about the Host AP - driver. - - The driver can be compiled as a module and will be named - hostap_pci. - -config HOSTAP_CS - tristate "Host AP driver for Prism2/2.5/3 PC Cards" - depends on PCMCIA && HOSTAP - ---help--- - Host AP driver's version for Prism2/2.5/3 PC Cards. - - "Host AP support for Prism2/2.5/3 IEEE 802.11b" is required for this - driver and its help text includes more information about the Host AP - driver. - - The driver can be compiled as a module and will be named - hostap_cs. diff --git a/drivers/net/wireless/hostap/Makefile b/drivers/net/wireless/hostap/Makefile deleted file mode 100644 index b8e41a702c00..000000000000 --- a/drivers/net/wireless/hostap/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \ - hostap_ioctl.o hostap_main.o hostap_proc.o -obj-$(CONFIG_HOSTAP) += hostap.o - -obj-$(CONFIG_HOSTAP_CS) += hostap_cs.o -obj-$(CONFIG_HOSTAP_PLX) += hostap_plx.o -obj-$(CONFIG_HOSTAP_PCI) += hostap_pci.o diff --git a/drivers/net/wireless/hostap/hostap.h b/drivers/net/wireless/hostap/hostap.h deleted file mode 100644 index ce8721fbc10e..000000000000 --- a/drivers/net/wireless/hostap/hostap.h +++ /dev/null @@ -1,95 +0,0 @@ -#ifndef HOSTAP_H -#define HOSTAP_H - -#include -#include - -#include "hostap_wlan.h" -#include "hostap_ap.h" - -static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; -#define FREQ_COUNT ARRAY_SIZE(freq_list) - -/* hostap.c */ - -extern struct proc_dir_entry *hostap_proc; - -u16 hostap_tx_callback_register(local_info_t *local, - void (*func)(struct sk_buff *, int ok, void *), - void *data); -int hostap_tx_callback_unregister(local_info_t *local, u16 idx); -int hostap_set_word(struct net_device *dev, int rid, u16 val); -int hostap_set_string(struct net_device *dev, int rid, const char *val); -u16 hostap_get_porttype(local_info_t *local); -int hostap_set_encryption(local_info_t *local); -int hostap_set_antsel(local_info_t *local); -int hostap_set_roaming(local_info_t *local); -int hostap_set_auth_algs(local_info_t *local); -void hostap_dump_rx_header(const char *name, - const struct hfa384x_rx_frame *rx); -void hostap_dump_tx_header(const char *name, - const struct hfa384x_tx_frame *tx); -extern const struct header_ops hostap_80211_ops; -int hostap_80211_get_hdrlen(__le16 fc); -struct net_device_stats *hostap_get_stats(struct net_device *dev); -void hostap_setup_dev(struct net_device *dev, local_info_t *local, - int type); -void hostap_set_multicast_list_queue(struct work_struct *work); -int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked); -int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked); -void hostap_cleanup(local_info_t *local); -void hostap_cleanup_handler(void *data); -struct net_device * hostap_add_interface(struct local_info *local, - int type, int rtnl_locked, - const char *prefix, const char *name); -void hostap_remove_interface(struct net_device *dev, int rtnl_locked, - int remove_from_list); -int prism2_update_comms_qual(struct net_device *dev); -int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, - u8 *body, size_t bodylen); -int prism2_sta_deauth(local_info_t *local, u16 reason); -int prism2_wds_add(local_info_t *local, u8 *remote_addr, - int rtnl_locked); -int prism2_wds_del(local_info_t *local, u8 *remote_addr, - int rtnl_locked, int do_not_remove); - - -/* hostap_ap.c */ - -int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac); -int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac); -void ap_control_flush_macs(struct mac_restrictions *mac_restrictions); -int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac); -void ap_control_kickall(struct ap_data *ap); -void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, - struct lib80211_crypt_data ***crypt); -int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], - struct iw_quality qual[], int buf_size, - int aplist); -int prism2_ap_translate_scan(struct net_device *dev, - struct iw_request_info *info, char *buffer); -int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param); - - -/* hostap_proc.c */ - -void hostap_init_proc(local_info_t *local); -void hostap_remove_proc(local_info_t *local); - - -/* hostap_info.c */ - -void hostap_info_init(local_info_t *local); -void hostap_info_process(local_info_t *local, struct sk_buff *skb); - - -/* hostap_ioctl.c */ - -extern const struct iw_handler_def hostap_iw_handler_def; -extern const struct ethtool_ops prism2_ethtool_ops; - -int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); - - -#endif /* HOSTAP_H */ diff --git a/drivers/net/wireless/hostap/hostap_80211.h b/drivers/net/wireless/hostap/hostap_80211.h deleted file mode 100644 index ed98ce7c8f65..000000000000 --- a/drivers/net/wireless/hostap/hostap_80211.h +++ /dev/null @@ -1,96 +0,0 @@ -#ifndef HOSTAP_80211_H -#define HOSTAP_80211_H - -#include -#include -#include - -struct hostap_ieee80211_mgmt { - __le16 frame_control; - __le16 duration; - u8 da[6]; - u8 sa[6]; - u8 bssid[6]; - __le16 seq_ctrl; - union { - struct { - __le16 auth_alg; - __le16 auth_transaction; - __le16 status_code; - /* possibly followed by Challenge text */ - u8 variable[0]; - } __packed auth; - struct { - __le16 reason_code; - } __packed deauth; - struct { - __le16 capab_info; - __le16 listen_interval; - /* followed by SSID and Supported rates */ - u8 variable[0]; - } __packed assoc_req; - struct { - __le16 capab_info; - __le16 status_code; - __le16 aid; - /* followed by Supported rates */ - u8 variable[0]; - } __packed assoc_resp, reassoc_resp; - struct { - __le16 capab_info; - __le16 listen_interval; - u8 current_ap[6]; - /* followed by SSID and Supported rates */ - u8 variable[0]; - } __packed reassoc_req; - struct { - __le16 reason_code; - } __packed disassoc; - struct { - } __packed probe_req; - struct { - u8 timestamp[8]; - __le16 beacon_int; - __le16 capab_info; - /* followed by some of SSID, Supported rates, - * FH Params, DS Params, CF Params, IBSS Params, TIM */ - u8 variable[0]; - } __packed beacon, probe_resp; - } u; -} __packed; - - -#define IEEE80211_MGMT_HDR_LEN 24 -#define IEEE80211_DATA_HDR3_LEN 24 -#define IEEE80211_DATA_HDR4_LEN 30 - - -struct hostap_80211_rx_status { - u32 mac_time; - u8 signal; - u8 noise; - u16 rate; /* in 100 kbps */ -}; - -/* prism2_rx_80211 'type' argument */ -enum { - PRISM2_RX_MONITOR, PRISM2_RX_MGMT, PRISM2_RX_NON_ASSOC, - PRISM2_RX_NULLFUNC_ACK -}; - -int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats, int type); -void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats); -void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats); - -void hostap_dump_tx_80211(const char *name, struct sk_buff *skb); -netdev_tx_t hostap_data_start_xmit(struct sk_buff *skb, - struct net_device *dev); -netdev_tx_t hostap_mgmt_start_xmit(struct sk_buff *skb, - struct net_device *dev); -netdev_tx_t hostap_master_start_xmit(struct sk_buff *skb, - struct net_device *dev); - -#endif /* HOSTAP_80211_H */ diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c deleted file mode 100644 index 599f30f22841..000000000000 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ /dev/null @@ -1,1117 +0,0 @@ -#include -#include -#include -#include -#include - -#include "hostap_80211.h" -#include "hostap.h" -#include "hostap_ap.h" - -/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ -/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ -static unsigned char rfc1042_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; -/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ -static unsigned char bridge_tunnel_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -/* No encapsulation header if EtherType < 0x600 (=length) */ - -void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct ieee80211_hdr *hdr; - u16 fc; - - hdr = (struct ieee80211_hdr *) skb->data; - - printk(KERN_DEBUG "%s: RX signal=%d noise=%d rate=%d len=%d " - "jiffies=%ld\n", - name, rx_stats->signal, rx_stats->noise, rx_stats->rate, - skb->len, jiffies); - - if (skb->len < 2) - return; - - fc = le16_to_cpu(hdr->frame_control); - printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s", - fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, - (fc & IEEE80211_FCTL_STYPE) >> 4, - fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", - fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); - - if (skb->len < IEEE80211_DATA_HDR3_LEN) { - printk("\n"); - return; - } - - printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id), - le16_to_cpu(hdr->seq_ctrl)); - - printk(KERN_DEBUG " A1=%pM", hdr->addr1); - printk(" A2=%pM", hdr->addr2); - printk(" A3=%pM", hdr->addr3); - if (skb->len >= 30) - printk(" A4=%pM", hdr->addr4); - printk("\n"); -} - - -/* Send RX frame to netif with 802.11 (and possible prism) header. - * Called from hardware or software IRQ context. */ -int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats, int type) -{ - struct hostap_interface *iface; - local_info_t *local; - int hdrlen, phdrlen, head_need, tail_need; - u16 fc; - int prism_header, ret; - struct ieee80211_hdr *fhdr; - - iface = netdev_priv(dev); - local = iface->local; - - if (dev->type == ARPHRD_IEEE80211_PRISM) { - if (local->monitor_type == PRISM2_MONITOR_PRISM) { - prism_header = 1; - phdrlen = sizeof(struct linux_wlan_ng_prism_hdr); - } else { /* local->monitor_type == PRISM2_MONITOR_CAPHDR */ - prism_header = 2; - phdrlen = sizeof(struct linux_wlan_ng_cap_hdr); - } - } else if (dev->type == ARPHRD_IEEE80211_RADIOTAP) { - prism_header = 3; - phdrlen = sizeof(struct hostap_radiotap_rx); - } else { - prism_header = 0; - phdrlen = 0; - } - - fhdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(fhdr->frame_control); - - if (type == PRISM2_RX_MGMT && (fc & IEEE80211_FCTL_VERS)) { - printk(KERN_DEBUG "%s: dropped management frame with header " - "version %d\n", dev->name, fc & IEEE80211_FCTL_VERS); - dev_kfree_skb_any(skb); - return 0; - } - - hdrlen = hostap_80211_get_hdrlen(fhdr->frame_control); - - /* check if there is enough room for extra data; if not, expand skb - * buffer to be large enough for the changes */ - head_need = phdrlen; - tail_need = 0; -#ifdef PRISM2_ADD_BOGUS_CRC - tail_need += 4; -#endif /* PRISM2_ADD_BOGUS_CRC */ - - head_need -= skb_headroom(skb); - tail_need -= skb_tailroom(skb); - - if (head_need > 0 || tail_need > 0) { - if (pskb_expand_head(skb, head_need > 0 ? head_need : 0, - tail_need > 0 ? tail_need : 0, - GFP_ATOMIC)) { - printk(KERN_DEBUG "%s: prism2_rx_80211 failed to " - "reallocate skb buffer\n", dev->name); - dev_kfree_skb_any(skb); - return 0; - } - } - - /* We now have an skb with enough head and tail room, so just insert - * the extra data */ - -#ifdef PRISM2_ADD_BOGUS_CRC - memset(skb_put(skb, 4), 0xff, 4); /* Prism2 strips CRC */ -#endif /* PRISM2_ADD_BOGUS_CRC */ - - if (prism_header == 1) { - struct linux_wlan_ng_prism_hdr *hdr; - hdr = (struct linux_wlan_ng_prism_hdr *) - skb_push(skb, phdrlen); - memset(hdr, 0, phdrlen); - hdr->msgcode = LWNG_CAP_DID_BASE; - hdr->msglen = sizeof(*hdr); - memcpy(hdr->devname, dev->name, sizeof(hdr->devname)); -#define LWNG_SETVAL(f,i,s,l,d) \ -hdr->f.did = LWNG_CAP_DID_BASE | (i << 12); \ -hdr->f.status = s; hdr->f.len = l; hdr->f.data = d - LWNG_SETVAL(hosttime, 1, 0, 4, jiffies); - LWNG_SETVAL(mactime, 2, 0, 4, rx_stats->mac_time); - LWNG_SETVAL(channel, 3, 1 /* no value */, 4, 0); - LWNG_SETVAL(rssi, 4, 1 /* no value */, 4, 0); - LWNG_SETVAL(sq, 5, 1 /* no value */, 4, 0); - LWNG_SETVAL(signal, 6, 0, 4, rx_stats->signal); - LWNG_SETVAL(noise, 7, 0, 4, rx_stats->noise); - LWNG_SETVAL(rate, 8, 0, 4, rx_stats->rate / 5); - LWNG_SETVAL(istx, 9, 0, 4, 0); - LWNG_SETVAL(frmlen, 10, 0, 4, skb->len - phdrlen); -#undef LWNG_SETVAL - } else if (prism_header == 2) { - struct linux_wlan_ng_cap_hdr *hdr; - hdr = (struct linux_wlan_ng_cap_hdr *) - skb_push(skb, phdrlen); - memset(hdr, 0, phdrlen); - hdr->version = htonl(LWNG_CAPHDR_VERSION); - hdr->length = htonl(phdrlen); - hdr->mactime = __cpu_to_be64(rx_stats->mac_time); - hdr->hosttime = __cpu_to_be64(jiffies); - hdr->phytype = htonl(4); /* dss_dot11_b */ - hdr->channel = htonl(local->channel); - hdr->datarate = htonl(rx_stats->rate); - hdr->antenna = htonl(0); /* unknown */ - hdr->priority = htonl(0); /* unknown */ - hdr->ssi_type = htonl(3); /* raw */ - hdr->ssi_signal = htonl(rx_stats->signal); - hdr->ssi_noise = htonl(rx_stats->noise); - hdr->preamble = htonl(0); /* unknown */ - hdr->encoding = htonl(1); /* cck */ - } else if (prism_header == 3) { - struct hostap_radiotap_rx *hdr; - hdr = (struct hostap_radiotap_rx *)skb_push(skb, phdrlen); - memset(hdr, 0, phdrlen); - hdr->hdr.it_len = cpu_to_le16(phdrlen); - hdr->hdr.it_present = - cpu_to_le32((1 << IEEE80211_RADIOTAP_TSFT) | - (1 << IEEE80211_RADIOTAP_CHANNEL) | - (1 << IEEE80211_RADIOTAP_RATE) | - (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | - (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)); - hdr->tsft = cpu_to_le64(rx_stats->mac_time); - hdr->chan_freq = cpu_to_le16(freq_list[local->channel - 1]); - hdr->chan_flags = cpu_to_le16(IEEE80211_CHAN_CCK | - IEEE80211_CHAN_2GHZ); - hdr->rate = rx_stats->rate / 5; - hdr->dbm_antsignal = rx_stats->signal; - hdr->dbm_antnoise = rx_stats->noise; - } - - ret = skb->len - phdrlen; - skb->dev = dev; - skb_reset_mac_header(skb); - skb_pull(skb, hdrlen); - if (prism_header) - skb_pull(skb, phdrlen); - skb->pkt_type = PACKET_OTHERHOST; - skb->protocol = cpu_to_be16(ETH_P_802_2); - memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); - - return ret; -} - - -/* Called only as a tasklet (software IRQ) */ -static void monitor_rx(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - int len; - - len = prism2_rx_80211(dev, skb, rx_stats, PRISM2_RX_MONITOR); - dev->stats.rx_packets++; - dev->stats.rx_bytes += len; -} - - -/* Called only as a tasklet (software IRQ) */ -static struct prism2_frag_entry * -prism2_frag_cache_find(local_info_t *local, unsigned int seq, - unsigned int frag, u8 *src, u8 *dst) -{ - struct prism2_frag_entry *entry; - int i; - - for (i = 0; i < PRISM2_FRAG_CACHE_LEN; i++) { - entry = &local->frag_cache[i]; - if (entry->skb != NULL && - time_after(jiffies, entry->first_frag_time + 2 * HZ)) { - printk(KERN_DEBUG "%s: expiring fragment cache entry " - "seq=%u last_frag=%u\n", - local->dev->name, entry->seq, entry->last_frag); - dev_kfree_skb(entry->skb); - entry->skb = NULL; - } - - if (entry->skb != NULL && entry->seq == seq && - (entry->last_frag + 1 == frag || frag == -1) && - memcmp(entry->src_addr, src, ETH_ALEN) == 0 && - memcmp(entry->dst_addr, dst, ETH_ALEN) == 0) - return entry; - } - - return NULL; -} - - -/* Called only as a tasklet (software IRQ) */ -static struct sk_buff * -prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr) -{ - struct sk_buff *skb = NULL; - u16 sc; - unsigned int frag, seq; - struct prism2_frag_entry *entry; - - sc = le16_to_cpu(hdr->seq_ctrl); - frag = sc & IEEE80211_SCTL_FRAG; - seq = (sc & IEEE80211_SCTL_SEQ) >> 4; - - if (frag == 0) { - /* Reserve enough space to fit maximum frame length */ - skb = dev_alloc_skb(local->dev->mtu + - sizeof(struct ieee80211_hdr) + - 8 /* LLC */ + - 2 /* alignment */ + - 8 /* WEP */ + ETH_ALEN /* WDS */); - if (skb == NULL) - return NULL; - - entry = &local->frag_cache[local->frag_next_idx]; - local->frag_next_idx++; - if (local->frag_next_idx >= PRISM2_FRAG_CACHE_LEN) - local->frag_next_idx = 0; - - if (entry->skb != NULL) - dev_kfree_skb(entry->skb); - - entry->first_frag_time = jiffies; - entry->seq = seq; - entry->last_frag = frag; - entry->skb = skb; - memcpy(entry->src_addr, hdr->addr2, ETH_ALEN); - memcpy(entry->dst_addr, hdr->addr1, ETH_ALEN); - } else { - /* received a fragment of a frame for which the head fragment - * should have already been received */ - entry = prism2_frag_cache_find(local, seq, frag, hdr->addr2, - hdr->addr1); - if (entry != NULL) { - entry->last_frag = frag; - skb = entry->skb; - } - } - - return skb; -} - - -/* Called only as a tasklet (software IRQ) */ -static int prism2_frag_cache_invalidate(local_info_t *local, - struct ieee80211_hdr *hdr) -{ - u16 sc; - unsigned int seq; - struct prism2_frag_entry *entry; - - sc = le16_to_cpu(hdr->seq_ctrl); - seq = (sc & IEEE80211_SCTL_SEQ) >> 4; - - entry = prism2_frag_cache_find(local, seq, -1, hdr->addr2, hdr->addr1); - - if (entry == NULL) { - printk(KERN_DEBUG "%s: could not invalidate fragment cache " - "entry (seq=%u)\n", - local->dev->name, seq); - return -1; - } - - entry->skb = NULL; - return 0; -} - - -static struct hostap_bss_info *__hostap_get_bss(local_info_t *local, u8 *bssid, - u8 *ssid, size_t ssid_len) -{ - struct list_head *ptr; - struct hostap_bss_info *bss; - - list_for_each(ptr, &local->bss_list) { - bss = list_entry(ptr, struct hostap_bss_info, list); - if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0 && - (ssid == NULL || - (ssid_len == bss->ssid_len && - memcmp(ssid, bss->ssid, ssid_len) == 0))) { - list_move(&bss->list, &local->bss_list); - return bss; - } - } - - return NULL; -} - - -static struct hostap_bss_info *__hostap_add_bss(local_info_t *local, u8 *bssid, - u8 *ssid, size_t ssid_len) -{ - struct hostap_bss_info *bss; - - if (local->num_bss_info >= HOSTAP_MAX_BSS_COUNT) { - bss = list_entry(local->bss_list.prev, - struct hostap_bss_info, list); - list_del(&bss->list); - local->num_bss_info--; - } else { - bss = kmalloc(sizeof(*bss), GFP_ATOMIC); - if (bss == NULL) - return NULL; - } - - memset(bss, 0, sizeof(*bss)); - memcpy(bss->bssid, bssid, ETH_ALEN); - memcpy(bss->ssid, ssid, ssid_len); - bss->ssid_len = ssid_len; - local->num_bss_info++; - list_add(&bss->list, &local->bss_list); - return bss; -} - - -static void __hostap_expire_bss(local_info_t *local) -{ - struct hostap_bss_info *bss; - - while (local->num_bss_info > 0) { - bss = list_entry(local->bss_list.prev, - struct hostap_bss_info, list); - if (!time_after(jiffies, bss->last_update + 60 * HZ)) - break; - - list_del(&bss->list); - local->num_bss_info--; - kfree(bss); - } -} - - -/* Both IEEE 802.11 Beacon and Probe Response frames have similar structure, so - * the same routine can be used to parse both of them. */ -static void hostap_rx_sta_beacon(local_info_t *local, struct sk_buff *skb, - int stype) -{ - struct hostap_ieee80211_mgmt *mgmt; - int left, chan = 0; - u8 *pos; - u8 *ssid = NULL, *wpa = NULL, *rsn = NULL; - size_t ssid_len = 0, wpa_len = 0, rsn_len = 0; - struct hostap_bss_info *bss; - - if (skb->len < IEEE80211_MGMT_HDR_LEN + sizeof(mgmt->u.beacon)) - return; - - mgmt = (struct hostap_ieee80211_mgmt *) skb->data; - pos = mgmt->u.beacon.variable; - left = skb->len - (pos - skb->data); - - while (left >= 2) { - if (2 + pos[1] > left) - return; /* parse failed */ - switch (*pos) { - case WLAN_EID_SSID: - ssid = pos + 2; - ssid_len = pos[1]; - break; - case WLAN_EID_VENDOR_SPECIFIC: - if (pos[1] >= 4 && - pos[2] == 0x00 && pos[3] == 0x50 && - pos[4] == 0xf2 && pos[5] == 1) { - wpa = pos; - wpa_len = pos[1] + 2; - } - break; - case WLAN_EID_RSN: - rsn = pos; - rsn_len = pos[1] + 2; - break; - case WLAN_EID_DS_PARAMS: - if (pos[1] >= 1) - chan = pos[2]; - break; - } - left -= 2 + pos[1]; - pos += 2 + pos[1]; - } - - if (wpa_len > MAX_WPA_IE_LEN) - wpa_len = MAX_WPA_IE_LEN; - if (rsn_len > MAX_WPA_IE_LEN) - rsn_len = MAX_WPA_IE_LEN; - if (ssid_len > sizeof(bss->ssid)) - ssid_len = sizeof(bss->ssid); - - spin_lock(&local->lock); - bss = __hostap_get_bss(local, mgmt->bssid, ssid, ssid_len); - if (bss == NULL) - bss = __hostap_add_bss(local, mgmt->bssid, ssid, ssid_len); - if (bss) { - bss->last_update = jiffies; - bss->count++; - bss->capab_info = le16_to_cpu(mgmt->u.beacon.capab_info); - if (wpa) { - memcpy(bss->wpa_ie, wpa, wpa_len); - bss->wpa_ie_len = wpa_len; - } else - bss->wpa_ie_len = 0; - if (rsn) { - memcpy(bss->rsn_ie, rsn, rsn_len); - bss->rsn_ie_len = rsn_len; - } else - bss->rsn_ie_len = 0; - bss->chan = chan; - } - __hostap_expire_bss(local); - spin_unlock(&local->lock); -} - - -static int -hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats, u16 type, - u16 stype) -{ - if (local->iw_mode == IW_MODE_MASTER) - hostap_update_sta_ps(local, (struct ieee80211_hdr *) skb->data); - - if (local->hostapd && type == IEEE80211_FTYPE_MGMT) { - if (stype == IEEE80211_STYPE_BEACON && - local->iw_mode == IW_MODE_MASTER) { - struct sk_buff *skb2; - /* Process beacon frames also in kernel driver to - * update STA(AP) table statistics */ - skb2 = skb_clone(skb, GFP_ATOMIC); - if (skb2) - hostap_rx(skb2->dev, skb2, rx_stats); - } - - /* send management frames to the user space daemon for - * processing */ - local->apdevstats.rx_packets++; - local->apdevstats.rx_bytes += skb->len; - if (local->apdev == NULL) - return -1; - prism2_rx_80211(local->apdev, skb, rx_stats, PRISM2_RX_MGMT); - return 0; - } - - if (local->iw_mode == IW_MODE_MASTER) { - if (type != IEEE80211_FTYPE_MGMT && - type != IEEE80211_FTYPE_CTL) { - printk(KERN_DEBUG "%s: unknown management frame " - "(type=0x%02x, stype=0x%02x) dropped\n", - skb->dev->name, type >> 2, stype >> 4); - return -1; - } - - hostap_rx(skb->dev, skb, rx_stats); - return 0; - } else if (type == IEEE80211_FTYPE_MGMT && - (stype == IEEE80211_STYPE_BEACON || - stype == IEEE80211_STYPE_PROBE_RESP)) { - hostap_rx_sta_beacon(local, skb, stype); - return -1; - } else if (type == IEEE80211_FTYPE_MGMT && - (stype == IEEE80211_STYPE_ASSOC_RESP || - stype == IEEE80211_STYPE_REASSOC_RESP)) { - /* Ignore (Re)AssocResp silently since these are not currently - * needed but are still received when WPA/RSN mode is enabled. - */ - return -1; - } else { - printk(KERN_DEBUG "%s: hostap_rx_frame_mgmt: dropped unhandled" - " management frame in non-Host AP mode (type=%d:%d)\n", - skb->dev->name, type >> 2, stype >> 4); - return -1; - } -} - - -/* Called only as a tasklet (software IRQ) */ -static struct net_device *prism2_rx_get_wds(local_info_t *local, - u8 *addr) -{ - struct hostap_interface *iface = NULL; - struct list_head *ptr; - - read_lock_bh(&local->iface_lock); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type == HOSTAP_INTERFACE_WDS && - memcmp(iface->u.wds.remote_addr, addr, ETH_ALEN) == 0) - break; - iface = NULL; - } - read_unlock_bh(&local->iface_lock); - - return iface ? iface->dev : NULL; -} - - -static int -hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr *hdr, u16 fc, - struct net_device **wds) -{ - /* FIX: is this really supposed to accept WDS frames only in Master - * mode? What about Repeater or Managed with WDS frames? */ - if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) != - (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS) && - (local->iw_mode != IW_MODE_MASTER || !(fc & IEEE80211_FCTL_TODS))) - return 0; /* not a WDS frame */ - - /* Possible WDS frame: either IEEE 802.11 compliant (if FromDS) - * or own non-standard frame with 4th address after payload */ - if (!ether_addr_equal(hdr->addr1, local->dev->dev_addr) && - (hdr->addr1[0] != 0xff || hdr->addr1[1] != 0xff || - hdr->addr1[2] != 0xff || hdr->addr1[3] != 0xff || - hdr->addr1[4] != 0xff || hdr->addr1[5] != 0xff)) { - /* RA (or BSSID) is not ours - drop */ - PDEBUG(DEBUG_EXTRA2, "%s: received WDS frame with " - "not own or broadcast %s=%pM\n", - local->dev->name, - fc & IEEE80211_FCTL_FROMDS ? "RA" : "BSSID", - hdr->addr1); - return -1; - } - - /* check if the frame came from a registered WDS connection */ - *wds = prism2_rx_get_wds(local, hdr->addr2); - if (*wds == NULL && fc & IEEE80211_FCTL_FROMDS && - (local->iw_mode != IW_MODE_INFRA || - !(local->wds_type & HOSTAP_WDS_AP_CLIENT) || - memcmp(hdr->addr2, local->bssid, ETH_ALEN) != 0)) { - /* require that WDS link has been registered with TA or the - * frame is from current AP when using 'AP client mode' */ - PDEBUG(DEBUG_EXTRA, "%s: received WDS[4 addr] frame " - "from unknown TA=%pM\n", - local->dev->name, hdr->addr2); - if (local->ap && local->ap->autom_ap_wds) - hostap_wds_link_oper(local, hdr->addr2, WDS_ADD); - return -1; - } - - if (*wds && !(fc & IEEE80211_FCTL_FROMDS) && local->ap && - hostap_is_sta_assoc(local->ap, hdr->addr2)) { - /* STA is actually associated with us even though it has a - * registered WDS link. Assume it is in 'AP client' mode. - * Since this is a 3-addr frame, assume it is not (bogus) WDS - * frame and process it like any normal ToDS frame from - * associated STA. */ - *wds = NULL; - } - - return 0; -} - - -static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb) -{ - struct net_device *dev = local->dev; - u16 fc, ethertype; - struct ieee80211_hdr *hdr; - u8 *pos; - - if (skb->len < 24) - return 0; - - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - - /* check that the frame is unicast frame to us */ - if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == - IEEE80211_FCTL_TODS && - ether_addr_equal(hdr->addr1, dev->dev_addr) && - ether_addr_equal(hdr->addr3, dev->dev_addr)) { - /* ToDS frame with own addr BSSID and DA */ - } else if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == - IEEE80211_FCTL_FROMDS && - ether_addr_equal(hdr->addr1, dev->dev_addr)) { - /* FromDS frame with own addr as DA */ - } else - return 0; - - if (skb->len < 24 + 8) - return 0; - - /* check for port access entity Ethernet type */ - pos = skb->data + 24; - ethertype = (pos[6] << 8) | pos[7]; - if (ethertype == ETH_P_PAE) - return 1; - - return 0; -} - - -/* Called only as a tasklet (software IRQ) */ -static int -hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, - struct lib80211_crypt_data *crypt) -{ - struct ieee80211_hdr *hdr; - int res, hdrlen; - - if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) - return 0; - - hdr = (struct ieee80211_hdr *) skb->data; - hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); - - if (local->tkip_countermeasures && - strcmp(crypt->ops->name, "TKIP") == 0) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " - "received packet from %pM\n", - local->dev->name, hdr->addr2); - } - return -1; - } - - atomic_inc(&crypt->refcnt); - res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv); - atomic_dec(&crypt->refcnt); - if (res < 0) { - printk(KERN_DEBUG "%s: decryption failed (SA=%pM) res=%d\n", - local->dev->name, hdr->addr2, res); - local->comm_tallies.rx_discards_wep_undecryptable++; - return -1; - } - - return res; -} - - -/* Called only as a tasklet (software IRQ) */ -static int -hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb, - int keyidx, struct lib80211_crypt_data *crypt) -{ - struct ieee80211_hdr *hdr; - int res, hdrlen; - - if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) - return 0; - - hdr = (struct ieee80211_hdr *) skb->data; - hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); - - atomic_inc(&crypt->refcnt); - res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv); - atomic_dec(&crypt->refcnt); - if (res < 0) { - printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed" - " (SA=%pM keyidx=%d)\n", - local->dev->name, hdr->addr2, keyidx); - return -1; - } - - return 0; -} - - -/* All received frames are sent to this function. @skb contains the frame in - * IEEE 802.11 format, i.e., in the format it was sent over air. - * This function is called only as a tasklet (software IRQ). */ -void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct hostap_interface *iface; - local_info_t *local; - struct ieee80211_hdr *hdr; - size_t hdrlen; - u16 fc, type, stype, sc; - struct net_device *wds = NULL; - unsigned int frag; - u8 *payload; - struct sk_buff *skb2 = NULL; - u16 ethertype; - int frame_authorized = 0; - int from_assoc_ap = 0; - u8 dst[ETH_ALEN]; - u8 src[ETH_ALEN]; - struct lib80211_crypt_data *crypt = NULL; - void *sta = NULL; - int keyidx = 0; - - iface = netdev_priv(dev); - local = iface->local; - iface->stats.rx_packets++; - iface->stats.rx_bytes += skb->len; - - /* dev is the master radio device; change this to be the default - * virtual interface (this may be changed to WDS device below) */ - dev = local->ddev; - iface = netdev_priv(dev); - - hdr = (struct ieee80211_hdr *) skb->data; - - if (skb->len < 10) - goto rx_dropped; - - fc = le16_to_cpu(hdr->frame_control); - type = fc & IEEE80211_FCTL_FTYPE; - stype = fc & IEEE80211_FCTL_STYPE; - sc = le16_to_cpu(hdr->seq_ctrl); - frag = sc & IEEE80211_SCTL_FRAG; - hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); - - /* Put this code here so that we avoid duplicating it in all - * Rx paths. - Jean II */ -#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ - /* If spy monitoring on */ - if (iface->spy_data.spy_number > 0) { - struct iw_quality wstats; - wstats.level = rx_stats->signal; - wstats.noise = rx_stats->noise; - wstats.updated = IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_UPDATED - | IW_QUAL_QUAL_INVALID | IW_QUAL_DBM; - /* Update spy records */ - wireless_spy_update(dev, hdr->addr2, &wstats); - } -#endif /* IW_WIRELESS_SPY */ - hostap_update_rx_stats(local->ap, hdr, rx_stats); - - if (local->iw_mode == IW_MODE_MONITOR) { - monitor_rx(dev, skb, rx_stats); - return; - } - - if (local->host_decrypt) { - int idx = 0; - if (skb->len >= hdrlen + 3) - idx = skb->data[hdrlen + 3] >> 6; - crypt = local->crypt_info.crypt[idx]; - sta = NULL; - - /* Use station specific key to override default keys if the - * receiver address is a unicast address ("individual RA"). If - * bcrx_sta_key parameter is set, station specific key is used - * even with broad/multicast targets (this is against IEEE - * 802.11, but makes it easier to use different keys with - * stations that do not support WEP key mapping). */ - - if (!(hdr->addr1[0] & 0x01) || local->bcrx_sta_key) - (void) hostap_handle_sta_crypto(local, hdr, &crypt, - &sta); - - /* allow NULL decrypt to indicate an station specific override - * for default encryption */ - if (crypt && (crypt->ops == NULL || - crypt->ops->decrypt_mpdu == NULL)) - crypt = NULL; - - if (!crypt && (fc & IEEE80211_FCTL_PROTECTED)) { -#if 0 - /* This seems to be triggered by some (multicast?) - * frames from other than current BSS, so just drop the - * frames silently instead of filling system log with - * these reports. */ - printk(KERN_DEBUG "%s: WEP decryption failed (not set)" - " (SA=%pM)\n", - local->dev->name, hdr->addr2); -#endif - local->comm_tallies.rx_discards_wep_undecryptable++; - goto rx_dropped; - } - } - - if (type != IEEE80211_FTYPE_DATA) { - if (type == IEEE80211_FTYPE_MGMT && - stype == IEEE80211_STYPE_AUTH && - fc & IEEE80211_FCTL_PROTECTED && local->host_decrypt && - (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0) - { - printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth " - "from %pM\n", dev->name, hdr->addr2); - /* TODO: could inform hostapd about this so that it - * could send auth failure report */ - goto rx_dropped; - } - - if (hostap_rx_frame_mgmt(local, skb, rx_stats, type, stype)) - goto rx_dropped; - else - goto rx_exit; - } - - /* Data frame - extract src/dst addresses */ - if (skb->len < IEEE80211_DATA_HDR3_LEN) - goto rx_dropped; - - switch (fc & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { - case IEEE80211_FCTL_FROMDS: - memcpy(dst, hdr->addr1, ETH_ALEN); - memcpy(src, hdr->addr3, ETH_ALEN); - break; - case IEEE80211_FCTL_TODS: - memcpy(dst, hdr->addr3, ETH_ALEN); - memcpy(src, hdr->addr2, ETH_ALEN); - break; - case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: - if (skb->len < IEEE80211_DATA_HDR4_LEN) - goto rx_dropped; - memcpy(dst, hdr->addr3, ETH_ALEN); - memcpy(src, hdr->addr4, ETH_ALEN); - break; - case 0: - memcpy(dst, hdr->addr1, ETH_ALEN); - memcpy(src, hdr->addr2, ETH_ALEN); - break; - } - - if (hostap_rx_frame_wds(local, hdr, fc, &wds)) - goto rx_dropped; - if (wds) - skb->dev = dev = wds; - - if (local->iw_mode == IW_MODE_MASTER && !wds && - (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == - IEEE80211_FCTL_FROMDS && - local->stadev && - memcmp(hdr->addr2, local->assoc_ap_addr, ETH_ALEN) == 0) { - /* Frame from BSSID of the AP for which we are a client */ - skb->dev = dev = local->stadev; - from_assoc_ap = 1; - } - - if ((local->iw_mode == IW_MODE_MASTER || - local->iw_mode == IW_MODE_REPEAT) && - !from_assoc_ap) { - switch (hostap_handle_sta_rx(local, dev, skb, rx_stats, - wds != NULL)) { - case AP_RX_CONTINUE_NOT_AUTHORIZED: - frame_authorized = 0; - break; - case AP_RX_CONTINUE: - frame_authorized = 1; - break; - case AP_RX_DROP: - goto rx_dropped; - case AP_RX_EXIT: - goto rx_exit; - } - } - - /* Nullfunc frames may have PS-bit set, so they must be passed to - * hostap_handle_sta_rx() before being dropped here. */ - if (stype != IEEE80211_STYPE_DATA && - stype != IEEE80211_STYPE_DATA_CFACK && - stype != IEEE80211_STYPE_DATA_CFPOLL && - stype != IEEE80211_STYPE_DATA_CFACKPOLL) { - if (stype != IEEE80211_STYPE_NULLFUNC) - printk(KERN_DEBUG "%s: RX: dropped data frame " - "with no data (type=0x%02x, subtype=0x%02x)\n", - dev->name, type >> 2, stype >> 4); - goto rx_dropped; - } - - /* skb: hdr + (possibly fragmented, possibly encrypted) payload */ - - if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && - (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0) - goto rx_dropped; - hdr = (struct ieee80211_hdr *) skb->data; - - /* skb: hdr + (possibly fragmented) plaintext payload */ - - if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && - (frag != 0 || (fc & IEEE80211_FCTL_MOREFRAGS))) { - int flen; - struct sk_buff *frag_skb = - prism2_frag_cache_get(local, hdr); - if (!frag_skb) { - printk(KERN_DEBUG "%s: Rx cannot get skb from " - "fragment cache (morefrag=%d seq=%u frag=%u)\n", - dev->name, (fc & IEEE80211_FCTL_MOREFRAGS) != 0, - (sc & IEEE80211_SCTL_SEQ) >> 4, frag); - goto rx_dropped; - } - - flen = skb->len; - if (frag != 0) - flen -= hdrlen; - - if (frag_skb->tail + flen > frag_skb->end) { - printk(KERN_WARNING "%s: host decrypted and " - "reassembled frame did not fit skb\n", - dev->name); - prism2_frag_cache_invalidate(local, hdr); - goto rx_dropped; - } - - if (frag == 0) { - /* copy first fragment (including full headers) into - * beginning of the fragment cache skb */ - skb_copy_from_linear_data(skb, skb_put(frag_skb, flen), - flen); - } else { - /* append frame payload to the end of the fragment - * cache skb */ - skb_copy_from_linear_data_offset(skb, hdrlen, - skb_put(frag_skb, - flen), flen); - } - dev_kfree_skb(skb); - skb = NULL; - - if (fc & IEEE80211_FCTL_MOREFRAGS) { - /* more fragments expected - leave the skb in fragment - * cache for now; it will be delivered to upper layers - * after all fragments have been received */ - goto rx_exit; - } - - /* this was the last fragment and the frame will be - * delivered, so remove skb from fragment cache */ - skb = frag_skb; - hdr = (struct ieee80211_hdr *) skb->data; - prism2_frag_cache_invalidate(local, hdr); - } - - /* skb: hdr + (possible reassembled) full MSDU payload; possibly still - * encrypted/authenticated */ - - if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && - hostap_rx_frame_decrypt_msdu(local, skb, keyidx, crypt)) - goto rx_dropped; - - hdr = (struct ieee80211_hdr *) skb->data; - if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !local->open_wep) { - if (local->ieee_802_1x && - hostap_is_eapol_frame(local, skb)) { - /* pass unencrypted EAPOL frames even if encryption is - * configured */ - PDEBUG(DEBUG_EXTRA2, "%s: RX: IEEE 802.1X - passing " - "unencrypted EAPOL frame\n", local->dev->name); - } else { - printk(KERN_DEBUG "%s: encryption configured, but RX " - "frame not encrypted (SA=%pM)\n", - local->dev->name, hdr->addr2); - goto rx_dropped; - } - } - - if (local->drop_unencrypted && !(fc & IEEE80211_FCTL_PROTECTED) && - !hostap_is_eapol_frame(local, skb)) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: dropped unencrypted RX data " - "frame from %pM (drop_unencrypted=1)\n", - dev->name, hdr->addr2); - } - goto rx_dropped; - } - - /* skb: hdr + (possible reassembled) full plaintext payload */ - - payload = skb->data + hdrlen; - ethertype = (payload[6] << 8) | payload[7]; - - /* If IEEE 802.1X is used, check whether the port is authorized to send - * the received frame. */ - if (local->ieee_802_1x && local->iw_mode == IW_MODE_MASTER) { - if (ethertype == ETH_P_PAE) { - PDEBUG(DEBUG_EXTRA2, "%s: RX: IEEE 802.1X frame\n", - dev->name); - if (local->hostapd && local->apdev) { - /* Send IEEE 802.1X frames to the user - * space daemon for processing */ - prism2_rx_80211(local->apdev, skb, rx_stats, - PRISM2_RX_MGMT); - local->apdevstats.rx_packets++; - local->apdevstats.rx_bytes += skb->len; - goto rx_exit; - } - } else if (!frame_authorized) { - printk(KERN_DEBUG "%s: dropped frame from " - "unauthorized port (IEEE 802.1X): " - "ethertype=0x%04x\n", - dev->name, ethertype); - goto rx_dropped; - } - } - - /* convert hdr + possible LLC headers into Ethernet header */ - if (skb->len - hdrlen >= 8 && - ((memcmp(payload, rfc1042_header, 6) == 0 && - ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || - memcmp(payload, bridge_tunnel_header, 6) == 0)) { - /* remove RFC1042 or Bridge-Tunnel encapsulation and - * replace EtherType */ - skb_pull(skb, hdrlen + 6); - memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); - } else { - __be16 len; - /* Leave Ethernet header part of hdr and full payload */ - skb_pull(skb, hdrlen); - len = htons(skb->len); - memcpy(skb_push(skb, 2), &len, 2); - memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); - memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); - } - - if (wds && ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == - IEEE80211_FCTL_TODS) && - skb->len >= ETH_HLEN + ETH_ALEN) { - /* Non-standard frame: get addr4 from its bogus location after - * the payload */ - skb_copy_from_linear_data_offset(skb, skb->len - ETH_ALEN, - skb->data + ETH_ALEN, - ETH_ALEN); - skb_trim(skb, skb->len - ETH_ALEN); - } - - dev->stats.rx_packets++; - dev->stats.rx_bytes += skb->len; - - if (local->iw_mode == IW_MODE_MASTER && !wds && - local->ap->bridge_packets) { - if (dst[0] & 0x01) { - /* copy multicast frame both to the higher layers and - * to the wireless media */ - local->ap->bridged_multicast++; - skb2 = skb_clone(skb, GFP_ATOMIC); - if (skb2 == NULL) - printk(KERN_DEBUG "%s: skb_clone failed for " - "multicast frame\n", dev->name); - } else if (hostap_is_sta_authorized(local->ap, dst)) { - /* send frame directly to the associated STA using - * wireless media and not passing to higher layers */ - local->ap->bridged_unicast++; - skb2 = skb; - skb = NULL; - } - } - - if (skb2 != NULL) { - /* send to wireless media */ - skb2->dev = dev; - skb2->protocol = cpu_to_be16(ETH_P_802_3); - skb_reset_mac_header(skb2); - skb_reset_network_header(skb2); - /* skb2->network_header += ETH_HLEN; */ - dev_queue_xmit(skb2); - } - - if (skb) { - skb->protocol = eth_type_trans(skb, dev); - memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); - } - - rx_exit: - if (sta) - hostap_handle_sta_release(sta); - return; - - rx_dropped: - dev_kfree_skb(skb); - - dev->stats.rx_dropped++; - goto rx_exit; -} - - -EXPORT_SYMBOL(hostap_80211_rx); diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c deleted file mode 100644 index 055e11d353ca..000000000000 --- a/drivers/net/wireless/hostap/hostap_80211_tx.c +++ /dev/null @@ -1,553 +0,0 @@ -#include -#include -#include - -#include "hostap_80211.h" -#include "hostap_common.h" -#include "hostap_wlan.h" -#include "hostap.h" -#include "hostap_ap.h" - -/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ -/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ -static unsigned char rfc1042_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; -/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ -static unsigned char bridge_tunnel_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -/* No encapsulation header if EtherType < 0x600 (=length) */ - -void hostap_dump_tx_80211(const char *name, struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr; - u16 fc; - - hdr = (struct ieee80211_hdr *) skb->data; - - printk(KERN_DEBUG "%s: TX len=%d jiffies=%ld\n", - name, skb->len, jiffies); - - if (skb->len < 2) - return; - - fc = le16_to_cpu(hdr->frame_control); - printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s", - fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, - (fc & IEEE80211_FCTL_STYPE) >> 4, - fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", - fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); - - if (skb->len < IEEE80211_DATA_HDR3_LEN) { - printk("\n"); - return; - } - - printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id), - le16_to_cpu(hdr->seq_ctrl)); - - printk(KERN_DEBUG " A1=%pM", hdr->addr1); - printk(" A2=%pM", hdr->addr2); - printk(" A3=%pM", hdr->addr3); - if (skb->len >= 30) - printk(" A4=%pM", hdr->addr4); - printk("\n"); -} - - -/* hard_start_xmit function for data interfaces (wlan#, wlan#wds#, wlan#sta) - * Convert Ethernet header into a suitable IEEE 802.11 header depending on - * device configuration. */ -netdev_tx_t hostap_data_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - int need_headroom, need_tailroom = 0; - struct ieee80211_hdr hdr; - u16 fc, ethertype = 0; - enum { - WDS_NO = 0, WDS_OWN_FRAME, WDS_COMPLIANT_FRAME - } use_wds = WDS_NO; - u8 *encaps_data; - int hdr_len, encaps_len, skip_header_bytes; - int to_assoc_ap = 0; - struct hostap_skb_tx_data *meta; - - iface = netdev_priv(dev); - local = iface->local; - - if (skb->len < ETH_HLEN) { - printk(KERN_DEBUG "%s: hostap_data_start_xmit: short skb " - "(len=%d)\n", dev->name, skb->len); - kfree_skb(skb); - return NETDEV_TX_OK; - } - - if (local->ddev != dev) { - use_wds = (local->iw_mode == IW_MODE_MASTER && - !(local->wds_type & HOSTAP_WDS_STANDARD_FRAME)) ? - WDS_OWN_FRAME : WDS_COMPLIANT_FRAME; - if (dev == local->stadev) { - to_assoc_ap = 1; - use_wds = WDS_NO; - } else if (dev == local->apdev) { - printk(KERN_DEBUG "%s: prism2_tx: trying to use " - "AP device with Ethernet net dev\n", dev->name); - kfree_skb(skb); - return NETDEV_TX_OK; - } - } else { - if (local->iw_mode == IW_MODE_REPEAT) { - printk(KERN_DEBUG "%s: prism2_tx: trying to use " - "non-WDS link in Repeater mode\n", dev->name); - kfree_skb(skb); - return NETDEV_TX_OK; - } else if (local->iw_mode == IW_MODE_INFRA && - (local->wds_type & HOSTAP_WDS_AP_CLIENT) && - !ether_addr_equal(skb->data + ETH_ALEN, dev->dev_addr)) { - /* AP client mode: send frames with foreign src addr - * using 4-addr WDS frames */ - use_wds = WDS_COMPLIANT_FRAME; - } - } - - /* Incoming skb->data: dst_addr[6], src_addr[6], proto[2], payload - * ==> - * Prism2 TX frame with 802.11 header: - * txdesc (address order depending on used mode; includes dst_addr and - * src_addr), possible encapsulation (RFC1042/Bridge-Tunnel; - * proto[2], payload {, possible addr4[6]} */ - - ethertype = (skb->data[12] << 8) | skb->data[13]; - - memset(&hdr, 0, sizeof(hdr)); - - /* Length of data after IEEE 802.11 header */ - encaps_data = NULL; - encaps_len = 0; - skip_header_bytes = ETH_HLEN; - if (ethertype == ETH_P_AARP || ethertype == ETH_P_IPX) { - encaps_data = bridge_tunnel_header; - encaps_len = sizeof(bridge_tunnel_header); - skip_header_bytes -= 2; - } else if (ethertype >= 0x600) { - encaps_data = rfc1042_header; - encaps_len = sizeof(rfc1042_header); - skip_header_bytes -= 2; - } - - fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA; - hdr_len = IEEE80211_DATA_HDR3_LEN; - - if (use_wds != WDS_NO) { - /* Note! Prism2 station firmware has problems with sending real - * 802.11 frames with four addresses; until these problems can - * be fixed or worked around, 4-addr frames needed for WDS are - * using incompatible format: FromDS flag is not set and the - * fourth address is added after the frame payload; it is - * assumed, that the receiving station knows how to handle this - * frame format */ - - if (use_wds == WDS_COMPLIANT_FRAME) { - fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS; - /* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA, - * Addr4 = SA */ - skb_copy_from_linear_data_offset(skb, ETH_ALEN, - &hdr.addr4, ETH_ALEN); - hdr_len += ETH_ALEN; - } else { - /* bogus 4-addr format to workaround Prism2 station - * f/w bug */ - fc |= IEEE80211_FCTL_TODS; - /* From DS: Addr1 = DA (used as RA), - * Addr2 = BSSID (used as TA), Addr3 = SA (used as DA), - */ - - /* SA from skb->data + ETH_ALEN will be added after - * frame payload; use hdr.addr4 as a temporary buffer - */ - skb_copy_from_linear_data_offset(skb, ETH_ALEN, - &hdr.addr4, ETH_ALEN); - need_tailroom += ETH_ALEN; - } - - /* send broadcast and multicast frames to broadcast RA, if - * configured; otherwise, use unicast RA of the WDS link */ - if ((local->wds_type & HOSTAP_WDS_BROADCAST_RA) && - is_multicast_ether_addr(skb->data)) - eth_broadcast_addr(hdr.addr1); - else if (iface->type == HOSTAP_INTERFACE_WDS) - memcpy(&hdr.addr1, iface->u.wds.remote_addr, - ETH_ALEN); - else - memcpy(&hdr.addr1, local->bssid, ETH_ALEN); - memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN); - skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN); - } else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) { - fc |= IEEE80211_FCTL_FROMDS; - /* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */ - skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN); - memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN); - skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3, - ETH_ALEN); - } else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) { - fc |= IEEE80211_FCTL_TODS; - /* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */ - memcpy(&hdr.addr1, to_assoc_ap ? - local->assoc_ap_addr : local->bssid, ETH_ALEN); - skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2, - ETH_ALEN); - skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN); - } else if (local->iw_mode == IW_MODE_ADHOC) { - /* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */ - skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN); - skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2, - ETH_ALEN); - memcpy(&hdr.addr3, local->bssid, ETH_ALEN); - } - - hdr.frame_control = cpu_to_le16(fc); - - skb_pull(skb, skip_header_bytes); - need_headroom = local->func->need_tx_headroom + hdr_len + encaps_len; - if (skb_tailroom(skb) < need_tailroom) { - skb = skb_unshare(skb, GFP_ATOMIC); - if (skb == NULL) { - iface->stats.tx_dropped++; - return NETDEV_TX_OK; - } - if (pskb_expand_head(skb, need_headroom, need_tailroom, - GFP_ATOMIC)) { - kfree_skb(skb); - iface->stats.tx_dropped++; - return NETDEV_TX_OK; - } - } else if (skb_headroom(skb) < need_headroom) { - struct sk_buff *tmp = skb; - skb = skb_realloc_headroom(skb, need_headroom); - kfree_skb(tmp); - if (skb == NULL) { - iface->stats.tx_dropped++; - return NETDEV_TX_OK; - } - } else { - skb = skb_unshare(skb, GFP_ATOMIC); - if (skb == NULL) { - iface->stats.tx_dropped++; - return NETDEV_TX_OK; - } - } - - if (encaps_data) - memcpy(skb_push(skb, encaps_len), encaps_data, encaps_len); - memcpy(skb_push(skb, hdr_len), &hdr, hdr_len); - if (use_wds == WDS_OWN_FRAME) { - memcpy(skb_put(skb, ETH_ALEN), &hdr.addr4, ETH_ALEN); - } - - iface->stats.tx_packets++; - iface->stats.tx_bytes += skb->len; - - skb_reset_mac_header(skb); - meta = (struct hostap_skb_tx_data *) skb->cb; - memset(meta, 0, sizeof(*meta)); - meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; - if (use_wds) - meta->flags |= HOSTAP_TX_FLAGS_WDS; - meta->ethertype = ethertype; - meta->iface = iface; - - /* Send IEEE 802.11 encapsulated frame using the master radio device */ - skb->dev = local->dev; - dev_queue_xmit(skb); - return NETDEV_TX_OK; -} - - -/* hard_start_xmit function for hostapd wlan#ap interfaces */ -netdev_tx_t hostap_mgmt_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hostap_skb_tx_data *meta; - struct ieee80211_hdr *hdr; - u16 fc; - - iface = netdev_priv(dev); - local = iface->local; - - if (skb->len < 10) { - printk(KERN_DEBUG "%s: hostap_mgmt_start_xmit: short skb " - "(len=%d)\n", dev->name, skb->len); - kfree_skb(skb); - return NETDEV_TX_OK; - } - - iface->stats.tx_packets++; - iface->stats.tx_bytes += skb->len; - - meta = (struct hostap_skb_tx_data *) skb->cb; - memset(meta, 0, sizeof(*meta)); - meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; - meta->iface = iface; - - if (skb->len >= IEEE80211_DATA_HDR3_LEN + sizeof(rfc1042_header) + 2) { - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - if (ieee80211_is_data(hdr->frame_control) && - (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DATA) { - u8 *pos = &skb->data[IEEE80211_DATA_HDR3_LEN + - sizeof(rfc1042_header)]; - meta->ethertype = (pos[0] << 8) | pos[1]; - } - } - - /* Send IEEE 802.11 encapsulated frame using the master radio device */ - skb->dev = local->dev; - dev_queue_xmit(skb); - return NETDEV_TX_OK; -} - - -/* Called only from software IRQ */ -static struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, - struct lib80211_crypt_data *crypt) -{ - struct hostap_interface *iface; - local_info_t *local; - struct ieee80211_hdr *hdr; - int prefix_len, postfix_len, hdr_len, res; - - iface = netdev_priv(skb->dev); - local = iface->local; - - if (skb->len < IEEE80211_DATA_HDR3_LEN) { - kfree_skb(skb); - return NULL; - } - - if (local->tkip_countermeasures && - strcmp(crypt->ops->name, "TKIP") == 0) { - hdr = (struct ieee80211_hdr *) skb->data; - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " - "TX packet to %pM\n", - local->dev->name, hdr->addr1); - } - kfree_skb(skb); - return NULL; - } - - skb = skb_unshare(skb, GFP_ATOMIC); - if (skb == NULL) - return NULL; - - prefix_len = crypt->ops->extra_mpdu_prefix_len + - crypt->ops->extra_msdu_prefix_len; - postfix_len = crypt->ops->extra_mpdu_postfix_len + - crypt->ops->extra_msdu_postfix_len; - if ((skb_headroom(skb) < prefix_len || - skb_tailroom(skb) < postfix_len) && - pskb_expand_head(skb, prefix_len, postfix_len, GFP_ATOMIC)) { - kfree_skb(skb); - return NULL; - } - - hdr = (struct ieee80211_hdr *) skb->data; - hdr_len = hostap_80211_get_hdrlen(hdr->frame_control); - - /* Host-based IEEE 802.11 fragmentation for TX is not yet supported, so - * call both MSDU and MPDU encryption functions from here. */ - atomic_inc(&crypt->refcnt); - res = 0; - if (crypt->ops->encrypt_msdu) - res = crypt->ops->encrypt_msdu(skb, hdr_len, crypt->priv); - if (res == 0 && crypt->ops->encrypt_mpdu) - res = crypt->ops->encrypt_mpdu(skb, hdr_len, crypt->priv); - atomic_dec(&crypt->refcnt); - if (res < 0) { - kfree_skb(skb); - return NULL; - } - - return skb; -} - - -/* hard_start_xmit function for master radio interface wifi#. - * AP processing (TX rate control, power save buffering, etc.). - * Use hardware TX function to send the frame. */ -netdev_tx_t hostap_master_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - netdev_tx_t ret = NETDEV_TX_BUSY; - u16 fc; - struct hostap_tx_data tx; - ap_tx_ret tx_ret; - struct hostap_skb_tx_data *meta; - int no_encrypt = 0; - struct ieee80211_hdr *hdr; - - iface = netdev_priv(dev); - local = iface->local; - - tx.skb = skb; - tx.sta_ptr = NULL; - - meta = (struct hostap_skb_tx_data *) skb->cb; - if (meta->magic != HOSTAP_SKB_TX_DATA_MAGIC) { - printk(KERN_DEBUG "%s: invalid skb->cb magic (0x%08x, " - "expected 0x%08x)\n", - dev->name, meta->magic, HOSTAP_SKB_TX_DATA_MAGIC); - ret = NETDEV_TX_OK; - iface->stats.tx_dropped++; - goto fail; - } - - if (local->host_encrypt) { - /* Set crypt to default algorithm and key; will be replaced in - * AP code if STA has own alg/key */ - tx.crypt = local->crypt_info.crypt[local->crypt_info.tx_keyidx]; - tx.host_encrypt = 1; - } else { - tx.crypt = NULL; - tx.host_encrypt = 0; - } - - if (skb->len < 24) { - printk(KERN_DEBUG "%s: hostap_master_start_xmit: short skb " - "(len=%d)\n", dev->name, skb->len); - ret = NETDEV_TX_OK; - iface->stats.tx_dropped++; - goto fail; - } - - /* FIX (?): - * Wi-Fi 802.11b test plan suggests that AP should ignore power save - * bit in authentication and (re)association frames and assume tha - * STA remains awake for the response. */ - tx_ret = hostap_handle_sta_tx(local, &tx); - skb = tx.skb; - meta = (struct hostap_skb_tx_data *) skb->cb; - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - switch (tx_ret) { - case AP_TX_CONTINUE: - break; - case AP_TX_CONTINUE_NOT_AUTHORIZED: - if (local->ieee_802_1x && - ieee80211_is_data(hdr->frame_control) && - meta->ethertype != ETH_P_PAE && - !(meta->flags & HOSTAP_TX_FLAGS_WDS)) { - printk(KERN_DEBUG "%s: dropped frame to unauthorized " - "port (IEEE 802.1X): ethertype=0x%04x\n", - dev->name, meta->ethertype); - hostap_dump_tx_80211(dev->name, skb); - - ret = NETDEV_TX_OK; /* drop packet */ - iface->stats.tx_dropped++; - goto fail; - } - break; - case AP_TX_DROP: - ret = NETDEV_TX_OK; /* drop packet */ - iface->stats.tx_dropped++; - goto fail; - case AP_TX_RETRY: - goto fail; - case AP_TX_BUFFERED: - /* do not free skb here, it will be freed when the - * buffered frame is sent/timed out */ - ret = NETDEV_TX_OK; - goto tx_exit; - } - - /* Request TX callback if protocol version is 2 in 802.11 header; - * this version 2 is a special case used between hostapd and kernel - * driver */ - if (((fc & IEEE80211_FCTL_VERS) == BIT(1)) && - local->ap && local->ap->tx_callback_idx && meta->tx_cb_idx == 0) { - meta->tx_cb_idx = local->ap->tx_callback_idx; - - /* remove special version from the frame header */ - fc &= ~IEEE80211_FCTL_VERS; - hdr->frame_control = cpu_to_le16(fc); - } - - if (!ieee80211_is_data(hdr->frame_control)) { - no_encrypt = 1; - tx.crypt = NULL; - } - - if (local->ieee_802_1x && meta->ethertype == ETH_P_PAE && tx.crypt && - !(fc & IEEE80211_FCTL_PROTECTED)) { - no_encrypt = 1; - PDEBUG(DEBUG_EXTRA2, "%s: TX: IEEE 802.1X - passing " - "unencrypted EAPOL frame\n", dev->name); - tx.crypt = NULL; /* no encryption for IEEE 802.1X frames */ - } - - if (tx.crypt && (!tx.crypt->ops || !tx.crypt->ops->encrypt_mpdu)) - tx.crypt = NULL; - else if ((tx.crypt || - local->crypt_info.crypt[local->crypt_info.tx_keyidx]) && - !no_encrypt) { - /* Add ISWEP flag both for firmware and host based encryption - */ - fc |= IEEE80211_FCTL_PROTECTED; - hdr->frame_control = cpu_to_le16(fc); - } else if (local->drop_unencrypted && - ieee80211_is_data(hdr->frame_control) && - meta->ethertype != ETH_P_PAE) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: dropped unencrypted TX data " - "frame (drop_unencrypted=1)\n", dev->name); - } - iface->stats.tx_dropped++; - ret = NETDEV_TX_OK; - goto fail; - } - - if (tx.crypt) { - skb = hostap_tx_encrypt(skb, tx.crypt); - if (skb == NULL) { - printk(KERN_DEBUG "%s: TX - encryption failed\n", - dev->name); - ret = NETDEV_TX_OK; - goto fail; - } - meta = (struct hostap_skb_tx_data *) skb->cb; - if (meta->magic != HOSTAP_SKB_TX_DATA_MAGIC) { - printk(KERN_DEBUG "%s: invalid skb->cb magic (0x%08x, " - "expected 0x%08x) after hostap_tx_encrypt\n", - dev->name, meta->magic, - HOSTAP_SKB_TX_DATA_MAGIC); - ret = NETDEV_TX_OK; - iface->stats.tx_dropped++; - goto fail; - } - } - - if (local->func->tx == NULL || local->func->tx(skb, dev)) { - ret = NETDEV_TX_OK; - iface->stats.tx_dropped++; - } else { - ret = NETDEV_TX_OK; - iface->stats.tx_packets++; - iface->stats.tx_bytes += skb->len; - } - - fail: - if (ret == NETDEV_TX_OK && skb) - dev_kfree_skb(skb); - tx_exit: - if (tx.sta_ptr) - hostap_handle_sta_release(tx.sta_ptr); - return ret; -} - - -EXPORT_SYMBOL(hostap_master_start_xmit); diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c deleted file mode 100644 index c995ace153ee..000000000000 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ /dev/null @@ -1,3339 +0,0 @@ -/* - * Intersil Prism2 driver with Host AP (software access point) support - * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * - * Copyright (c) 2002-2005, Jouni Malinen - * - * This file is to be included into hostap.c when S/W AP functionality is - * compiled. - * - * AP: FIX: - * - if unicast Class 2 (assoc,reassoc,disassoc) frame received from - * unauthenticated STA, send deauth. frame (8802.11: 5.5) - * - if unicast Class 3 (data with to/from DS,deauth,pspoll) frame received - * from authenticated, but unassoc STA, send disassoc frame (8802.11: 5.5) - * - if unicast Class 3 received from unauthenticated STA, send deauth. frame - * (8802.11: 5.5) - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "hostap_wlan.h" -#include "hostap.h" -#include "hostap_ap.h" - -static int other_ap_policy[MAX_PARM_DEVICES] = { AP_OTHER_AP_SKIP_ALL, - DEF_INTS }; -module_param_array(other_ap_policy, int, NULL, 0444); -MODULE_PARM_DESC(other_ap_policy, "Other AP beacon monitoring policy (0-3)"); - -static int ap_max_inactivity[MAX_PARM_DEVICES] = { AP_MAX_INACTIVITY_SEC, - DEF_INTS }; -module_param_array(ap_max_inactivity, int, NULL, 0444); -MODULE_PARM_DESC(ap_max_inactivity, "AP timeout (in seconds) for station " - "inactivity"); - -static int ap_bridge_packets[MAX_PARM_DEVICES] = { 1, DEF_INTS }; -module_param_array(ap_bridge_packets, int, NULL, 0444); -MODULE_PARM_DESC(ap_bridge_packets, "Bridge packets directly between " - "stations"); - -static int autom_ap_wds[MAX_PARM_DEVICES] = { 0, DEF_INTS }; -module_param_array(autom_ap_wds, int, NULL, 0444); -MODULE_PARM_DESC(autom_ap_wds, "Add WDS connections to other APs " - "automatically"); - - -static struct sta_info* ap_get_sta(struct ap_data *ap, u8 *sta); -static void hostap_event_expired_sta(struct net_device *dev, - struct sta_info *sta); -static void handle_add_proc_queue(struct work_struct *work); - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -static void handle_wds_oper_queue(struct work_struct *work); -static void prism2_send_mgmt(struct net_device *dev, - u16 type_subtype, char *body, - int body_len, u8 *addr, u16 tx_cb_idx); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -#ifndef PRISM2_NO_PROCFS_DEBUG -static int ap_debug_proc_show(struct seq_file *m, void *v) -{ - struct ap_data *ap = m->private; - - seq_printf(m, "BridgedUnicastFrames=%u\n", ap->bridged_unicast); - seq_printf(m, "BridgedMulticastFrames=%u\n", ap->bridged_multicast); - seq_printf(m, "max_inactivity=%u\n", ap->max_inactivity / HZ); - seq_printf(m, "bridge_packets=%u\n", ap->bridge_packets); - seq_printf(m, "nullfunc_ack=%u\n", ap->nullfunc_ack); - seq_printf(m, "autom_ap_wds=%u\n", ap->autom_ap_wds); - seq_printf(m, "auth_algs=%u\n", ap->local->auth_algs); - seq_printf(m, "tx_drop_nonassoc=%u\n", ap->tx_drop_nonassoc); - return 0; -} - -static int ap_debug_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, ap_debug_proc_show, PDE_DATA(inode)); -} - -static const struct file_operations ap_debug_proc_fops = { - .open = ap_debug_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif /* PRISM2_NO_PROCFS_DEBUG */ - - -static void ap_sta_hash_add(struct ap_data *ap, struct sta_info *sta) -{ - sta->hnext = ap->sta_hash[STA_HASH(sta->addr)]; - ap->sta_hash[STA_HASH(sta->addr)] = sta; -} - -static void ap_sta_hash_del(struct ap_data *ap, struct sta_info *sta) -{ - struct sta_info *s; - - s = ap->sta_hash[STA_HASH(sta->addr)]; - if (s == NULL) return; - if (ether_addr_equal(s->addr, sta->addr)) { - ap->sta_hash[STA_HASH(sta->addr)] = s->hnext; - return; - } - - while (s->hnext != NULL && !ether_addr_equal(s->hnext->addr, sta->addr)) - s = s->hnext; - if (s->hnext != NULL) - s->hnext = s->hnext->hnext; - else - printk("AP: could not remove STA %pM from hash table\n", - sta->addr); -} - -static void ap_free_sta(struct ap_data *ap, struct sta_info *sta) -{ - if (sta->ap && sta->local) - hostap_event_expired_sta(sta->local->dev, sta); - - if (ap->proc != NULL) { - char name[20]; - sprintf(name, "%pM", sta->addr); - remove_proc_entry(name, ap->proc); - } - - if (sta->crypt) { - sta->crypt->ops->deinit(sta->crypt->priv); - kfree(sta->crypt); - sta->crypt = NULL; - } - - skb_queue_purge(&sta->tx_buf); - - ap->num_sta--; -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (sta->aid > 0) - ap->sta_aid[sta->aid - 1] = NULL; - - if (!sta->ap) - kfree(sta->u.sta.challenge); - del_timer_sync(&sta->timer); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - kfree(sta); -} - - -static void hostap_set_tim(local_info_t *local, int aid, int set) -{ - if (local->func->set_tim) - local->func->set_tim(local->dev, aid, set); -} - - -static void hostap_event_new_sta(struct net_device *dev, struct sta_info *sta) -{ - union iwreq_data wrqu; - memset(&wrqu, 0, sizeof(wrqu)); - memcpy(wrqu.addr.sa_data, sta->addr, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, IWEVREGISTERED, &wrqu, NULL); -} - - -static void hostap_event_expired_sta(struct net_device *dev, - struct sta_info *sta) -{ - union iwreq_data wrqu; - memset(&wrqu, 0, sizeof(wrqu)); - memcpy(wrqu.addr.sa_data, sta->addr, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, IWEVEXPIRED, &wrqu, NULL); -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - -static void ap_handle_timer(unsigned long data) -{ - struct sta_info *sta = (struct sta_info *) data; - local_info_t *local; - struct ap_data *ap; - unsigned long next_time = 0; - int was_assoc; - - if (sta == NULL || sta->local == NULL || sta->local->ap == NULL) { - PDEBUG(DEBUG_AP, "ap_handle_timer() called with NULL data\n"); - return; - } - - local = sta->local; - ap = local->ap; - was_assoc = sta->flags & WLAN_STA_ASSOC; - - if (atomic_read(&sta->users) != 0) - next_time = jiffies + HZ; - else if ((sta->flags & WLAN_STA_PERM) && !(sta->flags & WLAN_STA_AUTH)) - next_time = jiffies + ap->max_inactivity; - - if (time_before(jiffies, sta->last_rx + ap->max_inactivity)) { - /* station activity detected; reset timeout state */ - sta->timeout_next = STA_NULLFUNC; - next_time = sta->last_rx + ap->max_inactivity; - } else if (sta->timeout_next == STA_DISASSOC && - !(sta->flags & WLAN_STA_PENDING_POLL)) { - /* STA ACKed data nullfunc frame poll */ - sta->timeout_next = STA_NULLFUNC; - next_time = jiffies + ap->max_inactivity; - } - - if (next_time) { - sta->timer.expires = next_time; - add_timer(&sta->timer); - return; - } - - if (sta->ap) - sta->timeout_next = STA_DEAUTH; - - if (sta->timeout_next == STA_DEAUTH && !(sta->flags & WLAN_STA_PERM)) { - spin_lock(&ap->sta_table_lock); - ap_sta_hash_del(ap, sta); - list_del(&sta->list); - spin_unlock(&ap->sta_table_lock); - sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); - } else if (sta->timeout_next == STA_DISASSOC) - sta->flags &= ~WLAN_STA_ASSOC; - - if (was_assoc && !(sta->flags & WLAN_STA_ASSOC) && !sta->ap) - hostap_event_expired_sta(local->dev, sta); - - if (sta->timeout_next == STA_DEAUTH && sta->aid > 0 && - !skb_queue_empty(&sta->tx_buf)) { - hostap_set_tim(local, sta->aid, 0); - sta->flags &= ~WLAN_STA_TIM; - } - - if (sta->ap) { - if (ap->autom_ap_wds) { - PDEBUG(DEBUG_AP, "%s: removing automatic WDS " - "connection to AP %pM\n", - local->dev->name, sta->addr); - hostap_wds_link_oper(local, sta->addr, WDS_DEL); - } - } else if (sta->timeout_next == STA_NULLFUNC) { - /* send data frame to poll STA and check whether this frame - * is ACKed */ - /* FIX: IEEE80211_STYPE_NULLFUNC would be more appropriate, but - * it is apparently not retried so TX Exc events are not - * received for it */ - sta->flags |= WLAN_STA_PENDING_POLL; - prism2_send_mgmt(local->dev, IEEE80211_FTYPE_DATA | - IEEE80211_STYPE_DATA, NULL, 0, - sta->addr, ap->tx_callback_poll); - } else { - int deauth = sta->timeout_next == STA_DEAUTH; - __le16 resp; - PDEBUG(DEBUG_AP, "%s: sending %s info to STA %pM" - "(last=%lu, jiffies=%lu)\n", - local->dev->name, - deauth ? "deauthentication" : "disassociation", - sta->addr, sta->last_rx, jiffies); - - resp = cpu_to_le16(deauth ? WLAN_REASON_PREV_AUTH_NOT_VALID : - WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); - prism2_send_mgmt(local->dev, IEEE80211_FTYPE_MGMT | - (deauth ? IEEE80211_STYPE_DEAUTH : - IEEE80211_STYPE_DISASSOC), - (char *) &resp, 2, sta->addr, 0); - } - - if (sta->timeout_next == STA_DEAUTH) { - if (sta->flags & WLAN_STA_PERM) { - PDEBUG(DEBUG_AP, "%s: STA %pM" - " would have been removed, " - "but it has 'perm' flag\n", - local->dev->name, sta->addr); - } else - ap_free_sta(ap, sta); - return; - } - - if (sta->timeout_next == STA_NULLFUNC) { - sta->timeout_next = STA_DISASSOC; - sta->timer.expires = jiffies + AP_DISASSOC_DELAY; - } else { - sta->timeout_next = STA_DEAUTH; - sta->timer.expires = jiffies + AP_DEAUTH_DELAY; - } - - add_timer(&sta->timer); -} - - -void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap, - int resend) -{ - u8 addr[ETH_ALEN]; - __le16 resp; - int i; - - PDEBUG(DEBUG_AP, "%s: Deauthenticate all stations\n", dev->name); - eth_broadcast_addr(addr); - - resp = cpu_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID); - - /* deauth message sent; try to resend it few times; the message is - * broadcast, so it may be delayed until next DTIM; there is not much - * else we can do at this point since the driver is going to be shut - * down */ - for (i = 0; i < 5; i++) { - prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | - IEEE80211_STYPE_DEAUTH, - (char *) &resp, 2, addr, 0); - - if (!resend || ap->num_sta <= 0) - return; - - mdelay(50); - } -} - - -static int ap_control_proc_show(struct seq_file *m, void *v) -{ - struct ap_data *ap = m->private; - char *policy_txt; - struct mac_entry *entry; - - if (v == SEQ_START_TOKEN) { - switch (ap->mac_restrictions.policy) { - case MAC_POLICY_OPEN: - policy_txt = "open"; - break; - case MAC_POLICY_ALLOW: - policy_txt = "allow"; - break; - case MAC_POLICY_DENY: - policy_txt = "deny"; - break; - default: - policy_txt = "unknown"; - break; - } - seq_printf(m, "MAC policy: %s\n", policy_txt); - seq_printf(m, "MAC entries: %u\n", ap->mac_restrictions.entries); - seq_puts(m, "MAC list:\n"); - return 0; - } - - entry = v; - seq_printf(m, "%pM\n", entry->addr); - return 0; -} - -static void *ap_control_proc_start(struct seq_file *m, loff_t *_pos) -{ - struct ap_data *ap = m->private; - spin_lock_bh(&ap->mac_restrictions.lock); - return seq_list_start_head(&ap->mac_restrictions.mac_list, *_pos); -} - -static void *ap_control_proc_next(struct seq_file *m, void *v, loff_t *_pos) -{ - struct ap_data *ap = m->private; - return seq_list_next(v, &ap->mac_restrictions.mac_list, _pos); -} - -static void ap_control_proc_stop(struct seq_file *m, void *v) -{ - struct ap_data *ap = m->private; - spin_unlock_bh(&ap->mac_restrictions.lock); -} - -static const struct seq_operations ap_control_proc_seqops = { - .start = ap_control_proc_start, - .next = ap_control_proc_next, - .stop = ap_control_proc_stop, - .show = ap_control_proc_show, -}; - -static int ap_control_proc_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &ap_control_proc_seqops); - if (ret == 0) { - struct seq_file *m = file->private_data; - m->private = PDE_DATA(inode); - } - return ret; -} - -static const struct file_operations ap_control_proc_fops = { - .open = ap_control_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - - -int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac) -{ - struct mac_entry *entry; - - entry = kmalloc(sizeof(struct mac_entry), GFP_KERNEL); - if (entry == NULL) - return -ENOMEM; - - memcpy(entry->addr, mac, ETH_ALEN); - - spin_lock_bh(&mac_restrictions->lock); - list_add_tail(&entry->list, &mac_restrictions->mac_list); - mac_restrictions->entries++; - spin_unlock_bh(&mac_restrictions->lock); - - return 0; -} - - -int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac) -{ - struct list_head *ptr; - struct mac_entry *entry; - - spin_lock_bh(&mac_restrictions->lock); - for (ptr = mac_restrictions->mac_list.next; - ptr != &mac_restrictions->mac_list; ptr = ptr->next) { - entry = list_entry(ptr, struct mac_entry, list); - - if (ether_addr_equal(entry->addr, mac)) { - list_del(ptr); - kfree(entry); - mac_restrictions->entries--; - spin_unlock_bh(&mac_restrictions->lock); - return 0; - } - } - spin_unlock_bh(&mac_restrictions->lock); - return -1; -} - - -static int ap_control_mac_deny(struct mac_restrictions *mac_restrictions, - u8 *mac) -{ - struct mac_entry *entry; - int found = 0; - - if (mac_restrictions->policy == MAC_POLICY_OPEN) - return 0; - - spin_lock_bh(&mac_restrictions->lock); - list_for_each_entry(entry, &mac_restrictions->mac_list, list) { - if (ether_addr_equal(entry->addr, mac)) { - found = 1; - break; - } - } - spin_unlock_bh(&mac_restrictions->lock); - - if (mac_restrictions->policy == MAC_POLICY_ALLOW) - return !found; - else - return found; -} - - -void ap_control_flush_macs(struct mac_restrictions *mac_restrictions) -{ - struct list_head *ptr, *n; - struct mac_entry *entry; - - if (mac_restrictions->entries == 0) - return; - - spin_lock_bh(&mac_restrictions->lock); - for (ptr = mac_restrictions->mac_list.next, n = ptr->next; - ptr != &mac_restrictions->mac_list; - ptr = n, n = ptr->next) { - entry = list_entry(ptr, struct mac_entry, list); - list_del(ptr); - kfree(entry); - } - mac_restrictions->entries = 0; - spin_unlock_bh(&mac_restrictions->lock); -} - - -int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac) -{ - struct sta_info *sta; - __le16 resp; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, mac); - if (sta) { - ap_sta_hash_del(ap, sta); - list_del(&sta->list); - } - spin_unlock_bh(&ap->sta_table_lock); - - if (!sta) - return -EINVAL; - - resp = cpu_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID); - prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH, - (char *) &resp, 2, sta->addr, 0); - - if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap) - hostap_event_expired_sta(dev, sta); - - ap_free_sta(ap, sta); - - return 0; -} - -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -void ap_control_kickall(struct ap_data *ap) -{ - struct list_head *ptr, *n; - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - for (ptr = ap->sta_list.next, n = ptr->next; ptr != &ap->sta_list; - ptr = n, n = ptr->next) { - sta = list_entry(ptr, struct sta_info, list); - ap_sta_hash_del(ap, sta); - list_del(&sta->list); - if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) - hostap_event_expired_sta(sta->local->dev, sta); - ap_free_sta(ap, sta); - } - spin_unlock_bh(&ap->sta_table_lock); -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - -static int prism2_ap_proc_show(struct seq_file *m, void *v) -{ - struct sta_info *sta = v; - int i; - - if (v == SEQ_START_TOKEN) { - seq_printf(m, "# BSSID CHAN SIGNAL NOISE RATE SSID FLAGS\n"); - return 0; - } - - if (!sta->ap) - return 0; - - seq_printf(m, "%pM %d %d %d %d '", - sta->addr, - sta->u.ap.channel, sta->last_rx_signal, - sta->last_rx_silence, sta->last_rx_rate); - - for (i = 0; i < sta->u.ap.ssid_len; i++) { - if (sta->u.ap.ssid[i] >= 32 && sta->u.ap.ssid[i] < 127) - seq_putc(m, sta->u.ap.ssid[i]); - else - seq_printf(m, "<%02x>", sta->u.ap.ssid[i]); - } - - seq_putc(m, '\''); - if (sta->capability & WLAN_CAPABILITY_ESS) - seq_puts(m, " [ESS]"); - if (sta->capability & WLAN_CAPABILITY_IBSS) - seq_puts(m, " [IBSS]"); - if (sta->capability & WLAN_CAPABILITY_PRIVACY) - seq_puts(m, " [WEP]"); - seq_putc(m, '\n'); - return 0; -} - -static void *prism2_ap_proc_start(struct seq_file *m, loff_t *_pos) -{ - struct ap_data *ap = m->private; - spin_lock_bh(&ap->sta_table_lock); - return seq_list_start_head(&ap->sta_list, *_pos); -} - -static void *prism2_ap_proc_next(struct seq_file *m, void *v, loff_t *_pos) -{ - struct ap_data *ap = m->private; - return seq_list_next(v, &ap->sta_list, _pos); -} - -static void prism2_ap_proc_stop(struct seq_file *m, void *v) -{ - struct ap_data *ap = m->private; - spin_unlock_bh(&ap->sta_table_lock); -} - -static const struct seq_operations prism2_ap_proc_seqops = { - .start = prism2_ap_proc_start, - .next = prism2_ap_proc_next, - .stop = prism2_ap_proc_stop, - .show = prism2_ap_proc_show, -}; - -static int prism2_ap_proc_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &prism2_ap_proc_seqops); - if (ret == 0) { - struct seq_file *m = file->private_data; - m->private = PDE_DATA(inode); - } - return ret; -} - -static const struct file_operations prism2_ap_proc_fops = { - .open = prism2_ap_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver) -{ - if (!ap) - return; - - if (sta_fw_ver == PRISM2_FW_VER(0,8,0)) { - PDEBUG(DEBUG_AP, "Using data::nullfunc ACK workaround - " - "firmware upgrade recommended\n"); - ap->nullfunc_ack = 1; - } else - ap->nullfunc_ack = 0; - - if (sta_fw_ver == PRISM2_FW_VER(1,4,2)) { - printk(KERN_WARNING "%s: Warning: secondary station firmware " - "version 1.4.2 does not seem to work in Host AP mode\n", - ap->local->dev->name); - } -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_ap_tx_cb(struct sk_buff *skb, int ok, void *data) -{ - struct ap_data *ap = data; - struct ieee80211_hdr *hdr; - - if (!ap->local->hostapd || !ap->local->apdev) { - dev_kfree_skb(skb); - return; - } - - /* Pass the TX callback frame to the hostapd; use 802.11 header version - * 1 to indicate failure (no ACK) and 2 success (frame ACKed) */ - - hdr = (struct ieee80211_hdr *) skb->data; - hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_VERS); - hdr->frame_control |= cpu_to_le16(ok ? BIT(1) : BIT(0)); - - skb->dev = ap->local->apdev; - skb_pull(skb, hostap_80211_get_hdrlen(hdr->frame_control)); - skb->pkt_type = PACKET_OTHERHOST; - skb->protocol = cpu_to_be16(ETH_P_802_2); - memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -/* Called only as a tasklet (software IRQ) */ -static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data) -{ - struct ap_data *ap = data; - struct net_device *dev = ap->local->dev; - struct ieee80211_hdr *hdr; - u16 auth_alg, auth_transaction, status; - __le16 *pos; - struct sta_info *sta = NULL; - char *txt = NULL; - - if (ap->local->hostapd) { - dev_kfree_skb(skb); - return; - } - - hdr = (struct ieee80211_hdr *) skb->data; - if (!ieee80211_is_auth(hdr->frame_control) || - skb->len < IEEE80211_MGMT_HDR_LEN + 6) { - printk(KERN_DEBUG "%s: hostap_ap_tx_cb_auth received invalid " - "frame\n", dev->name); - dev_kfree_skb(skb); - return; - } - - pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); - auth_alg = le16_to_cpu(*pos++); - auth_transaction = le16_to_cpu(*pos++); - status = le16_to_cpu(*pos++); - - if (!ok) { - txt = "frame was not ACKed"; - goto done; - } - - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, hdr->addr1); - if (sta) - atomic_inc(&sta->users); - spin_unlock(&ap->sta_table_lock); - - if (!sta) { - txt = "STA not found"; - goto done; - } - - if (status == WLAN_STATUS_SUCCESS && - ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 2) || - (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 4))) { - txt = "STA authenticated"; - sta->flags |= WLAN_STA_AUTH; - sta->last_auth = jiffies; - } else if (status != WLAN_STATUS_SUCCESS) - txt = "authentication failed"; - - done: - if (sta) - atomic_dec(&sta->users); - if (txt) { - PDEBUG(DEBUG_AP, "%s: %pM auth_cb - alg=%d " - "trans#=%d status=%d - %s\n", - dev->name, hdr->addr1, - auth_alg, auth_transaction, status, txt); - } - dev_kfree_skb(skb); -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) -{ - struct ap_data *ap = data; - struct net_device *dev = ap->local->dev; - struct ieee80211_hdr *hdr; - u16 status; - __le16 *pos; - struct sta_info *sta = NULL; - char *txt = NULL; - - if (ap->local->hostapd) { - dev_kfree_skb(skb); - return; - } - - hdr = (struct ieee80211_hdr *) skb->data; - if ((!ieee80211_is_assoc_resp(hdr->frame_control) && - !ieee80211_is_reassoc_resp(hdr->frame_control)) || - skb->len < IEEE80211_MGMT_HDR_LEN + 4) { - printk(KERN_DEBUG "%s: hostap_ap_tx_cb_assoc received invalid " - "frame\n", dev->name); - dev_kfree_skb(skb); - return; - } - - if (!ok) { - txt = "frame was not ACKed"; - goto done; - } - - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, hdr->addr1); - if (sta) - atomic_inc(&sta->users); - spin_unlock(&ap->sta_table_lock); - - if (!sta) { - txt = "STA not found"; - goto done; - } - - pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); - pos++; - status = le16_to_cpu(*pos++); - if (status == WLAN_STATUS_SUCCESS) { - if (!(sta->flags & WLAN_STA_ASSOC)) - hostap_event_new_sta(dev, sta); - txt = "STA associated"; - sta->flags |= WLAN_STA_ASSOC; - sta->last_assoc = jiffies; - } else - txt = "association failed"; - - done: - if (sta) - atomic_dec(&sta->users); - if (txt) { - PDEBUG(DEBUG_AP, "%s: %pM assoc_cb - %s\n", - dev->name, hdr->addr1, txt); - } - dev_kfree_skb(skb); -} - -/* Called only as a tasklet (software IRQ); TX callback for poll frames used - * in verifying whether the STA is still present. */ -static void hostap_ap_tx_cb_poll(struct sk_buff *skb, int ok, void *data) -{ - struct ap_data *ap = data; - struct ieee80211_hdr *hdr; - struct sta_info *sta; - - if (skb->len < 24) - goto fail; - hdr = (struct ieee80211_hdr *) skb->data; - if (ok) { - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, hdr->addr1); - if (sta) - sta->flags &= ~WLAN_STA_PENDING_POLL; - spin_unlock(&ap->sta_table_lock); - } else { - PDEBUG(DEBUG_AP, - "%s: STA %pM did not ACK activity poll frame\n", - ap->local->dev->name, hdr->addr1); - } - - fail: - dev_kfree_skb(skb); -} -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -void hostap_init_data(local_info_t *local) -{ - struct ap_data *ap = local->ap; - - if (ap == NULL) { - printk(KERN_WARNING "hostap_init_data: ap == NULL\n"); - return; - } - memset(ap, 0, sizeof(struct ap_data)); - ap->local = local; - - ap->ap_policy = GET_INT_PARM(other_ap_policy, local->card_idx); - ap->bridge_packets = GET_INT_PARM(ap_bridge_packets, local->card_idx); - ap->max_inactivity = - GET_INT_PARM(ap_max_inactivity, local->card_idx) * HZ; - ap->autom_ap_wds = GET_INT_PARM(autom_ap_wds, local->card_idx); - - spin_lock_init(&ap->sta_table_lock); - INIT_LIST_HEAD(&ap->sta_list); - - /* Initialize task queue structure for AP management */ - INIT_WORK(&local->ap->add_sta_proc_queue, handle_add_proc_queue); - - ap->tx_callback_idx = - hostap_tx_callback_register(local, hostap_ap_tx_cb, ap); - if (ap->tx_callback_idx == 0) - printk(KERN_WARNING "%s: failed to register TX callback for " - "AP\n", local->dev->name); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - INIT_WORK(&local->ap->wds_oper_queue, handle_wds_oper_queue); - - ap->tx_callback_auth = - hostap_tx_callback_register(local, hostap_ap_tx_cb_auth, ap); - ap->tx_callback_assoc = - hostap_tx_callback_register(local, hostap_ap_tx_cb_assoc, ap); - ap->tx_callback_poll = - hostap_tx_callback_register(local, hostap_ap_tx_cb_poll, ap); - if (ap->tx_callback_auth == 0 || ap->tx_callback_assoc == 0 || - ap->tx_callback_poll == 0) - printk(KERN_WARNING "%s: failed to register TX callback for " - "AP\n", local->dev->name); - - spin_lock_init(&ap->mac_restrictions.lock); - INIT_LIST_HEAD(&ap->mac_restrictions.mac_list); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - ap->initialized = 1; -} - - -void hostap_init_ap_proc(local_info_t *local) -{ - struct ap_data *ap = local->ap; - - ap->proc = local->proc; - if (ap->proc == NULL) - return; - -#ifndef PRISM2_NO_PROCFS_DEBUG - proc_create_data("ap_debug", 0, ap->proc, &ap_debug_proc_fops, ap); -#endif /* PRISM2_NO_PROCFS_DEBUG */ - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - proc_create_data("ap_control", 0, ap->proc, &ap_control_proc_fops, ap); - proc_create_data("ap", 0, ap->proc, &prism2_ap_proc_fops, ap); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - -} - - -void hostap_free_data(struct ap_data *ap) -{ - struct sta_info *n, *sta; - - if (ap == NULL || !ap->initialized) { - printk(KERN_DEBUG "hostap_free_data: ap has not yet been " - "initialized - skip resource freeing\n"); - return; - } - - flush_work(&ap->add_sta_proc_queue); - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - flush_work(&ap->wds_oper_queue); - if (ap->crypt) - ap->crypt->deinit(ap->crypt_priv); - ap->crypt = ap->crypt_priv = NULL; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - list_for_each_entry_safe(sta, n, &ap->sta_list, list) { - ap_sta_hash_del(ap, sta); - list_del(&sta->list); - if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) - hostap_event_expired_sta(sta->local->dev, sta); - ap_free_sta(ap, sta); - } - -#ifndef PRISM2_NO_PROCFS_DEBUG - if (ap->proc != NULL) { - remove_proc_entry("ap_debug", ap->proc); - } -#endif /* PRISM2_NO_PROCFS_DEBUG */ - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (ap->proc != NULL) { - remove_proc_entry("ap", ap->proc); - remove_proc_entry("ap_control", ap->proc); - } - ap_control_flush_macs(&ap->mac_restrictions); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - ap->initialized = 0; -} - - -/* caller should have mutex for AP STA list handling */ -static struct sta_info* ap_get_sta(struct ap_data *ap, u8 *sta) -{ - struct sta_info *s; - - s = ap->sta_hash[STA_HASH(sta)]; - while (s != NULL && !ether_addr_equal(s->addr, sta)) - s = s->hnext; - return s; -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - -/* Called from timer handler and from scheduled AP queue handlers */ -static void prism2_send_mgmt(struct net_device *dev, - u16 type_subtype, char *body, - int body_len, u8 *addr, u16 tx_cb_idx) -{ - struct hostap_interface *iface; - local_info_t *local; - struct ieee80211_hdr *hdr; - u16 fc; - struct sk_buff *skb; - struct hostap_skb_tx_data *meta; - int hdrlen; - - iface = netdev_priv(dev); - local = iface->local; - dev = local->dev; /* always use master radio device */ - iface = netdev_priv(dev); - - if (!(dev->flags & IFF_UP)) { - PDEBUG(DEBUG_AP, "%s: prism2_send_mgmt - device is not UP - " - "cannot send frame\n", dev->name); - return; - } - - skb = dev_alloc_skb(sizeof(*hdr) + body_len); - if (skb == NULL) { - PDEBUG(DEBUG_AP, "%s: prism2_send_mgmt failed to allocate " - "skb\n", dev->name); - return; - } - - fc = type_subtype; - hdrlen = hostap_80211_get_hdrlen(cpu_to_le16(type_subtype)); - hdr = (struct ieee80211_hdr *) skb_put(skb, hdrlen); - if (body) - memcpy(skb_put(skb, body_len), body, body_len); - - memset(hdr, 0, hdrlen); - - /* FIX: ctrl::ack sending used special HFA384X_TX_CTRL_802_11 - * tx_control instead of using local->tx_control */ - - - memcpy(hdr->addr1, addr, ETH_ALEN); /* DA / RA */ - if (ieee80211_is_data(hdr->frame_control)) { - fc |= IEEE80211_FCTL_FROMDS; - memcpy(hdr->addr2, dev->dev_addr, ETH_ALEN); /* BSSID */ - memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* SA */ - } else if (ieee80211_is_ctl(hdr->frame_control)) { - /* control:ACK does not have addr2 or addr3 */ - eth_zero_addr(hdr->addr2); - eth_zero_addr(hdr->addr3); - } else { - memcpy(hdr->addr2, dev->dev_addr, ETH_ALEN); /* SA */ - memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* BSSID */ - } - - hdr->frame_control = cpu_to_le16(fc); - - meta = (struct hostap_skb_tx_data *) skb->cb; - memset(meta, 0, sizeof(*meta)); - meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; - meta->iface = iface; - meta->tx_cb_idx = tx_cb_idx; - - skb->dev = dev; - skb_reset_mac_header(skb); - skb_reset_network_header(skb); - dev_queue_xmit(skb); -} -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -static int prism2_sta_proc_show(struct seq_file *m, void *v) -{ - struct sta_info *sta = m->private; - int i; - - /* FIX: possible race condition.. the STA data could have just expired, - * but proc entry was still here so that the read could have started; - * some locking should be done here.. */ - - seq_printf(m, - "%s=%pM\nusers=%d\naid=%d\n" - "flags=0x%04x%s%s%s%s%s%s%s\n" - "capability=0x%02x\nlisten_interval=%d\nsupported_rates=", - sta->ap ? "AP" : "STA", - sta->addr, atomic_read(&sta->users), sta->aid, - sta->flags, - sta->flags & WLAN_STA_AUTH ? " AUTH" : "", - sta->flags & WLAN_STA_ASSOC ? " ASSOC" : "", - sta->flags & WLAN_STA_PS ? " PS" : "", - sta->flags & WLAN_STA_TIM ? " TIM" : "", - sta->flags & WLAN_STA_PERM ? " PERM" : "", - sta->flags & WLAN_STA_AUTHORIZED ? " AUTHORIZED" : "", - sta->flags & WLAN_STA_PENDING_POLL ? " POLL" : "", - sta->capability, sta->listen_interval); - /* supported_rates: 500 kbit/s units with msb ignored */ - for (i = 0; i < sizeof(sta->supported_rates); i++) - if (sta->supported_rates[i] != 0) - seq_printf(m, "%d%sMbps ", - (sta->supported_rates[i] & 0x7f) / 2, - sta->supported_rates[i] & 1 ? ".5" : ""); - seq_printf(m, - "\njiffies=%lu\nlast_auth=%lu\nlast_assoc=%lu\n" - "last_rx=%lu\nlast_tx=%lu\nrx_packets=%lu\n" - "tx_packets=%lu\n" - "rx_bytes=%lu\ntx_bytes=%lu\nbuffer_count=%d\n" - "last_rx: silence=%d dBm signal=%d dBm rate=%d%s Mbps\n" - "tx_rate=%d\ntx[1M]=%d\ntx[2M]=%d\ntx[5.5M]=%d\n" - "tx[11M]=%d\n" - "rx[1M]=%d\nrx[2M]=%d\nrx[5.5M]=%d\nrx[11M]=%d\n", - jiffies, sta->last_auth, sta->last_assoc, sta->last_rx, - sta->last_tx, - sta->rx_packets, sta->tx_packets, sta->rx_bytes, - sta->tx_bytes, skb_queue_len(&sta->tx_buf), - sta->last_rx_silence, - sta->last_rx_signal, sta->last_rx_rate / 10, - sta->last_rx_rate % 10 ? ".5" : "", - sta->tx_rate, sta->tx_count[0], sta->tx_count[1], - sta->tx_count[2], sta->tx_count[3], sta->rx_count[0], - sta->rx_count[1], sta->rx_count[2], sta->rx_count[3]); - if (sta->crypt && sta->crypt->ops && sta->crypt->ops->print_stats) - sta->crypt->ops->print_stats(m, sta->crypt->priv); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (sta->ap) { - if (sta->u.ap.channel >= 0) - seq_printf(m, "channel=%d\n", sta->u.ap.channel); - seq_puts(m, "ssid="); - for (i = 0; i < sta->u.ap.ssid_len; i++) { - if (sta->u.ap.ssid[i] >= 32 && sta->u.ap.ssid[i] < 127) - seq_putc(m, sta->u.ap.ssid[i]); - else - seq_printf(m, "<%02x>", sta->u.ap.ssid[i]); - } - seq_putc(m, '\n'); - } -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - return 0; -} - -static int prism2_sta_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, prism2_sta_proc_show, PDE_DATA(inode)); -} - -static const struct file_operations prism2_sta_proc_fops = { - .open = prism2_sta_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static void handle_add_proc_queue(struct work_struct *work) -{ - struct ap_data *ap = container_of(work, struct ap_data, - add_sta_proc_queue); - struct sta_info *sta; - char name[20]; - struct add_sta_proc_data *entry, *prev; - - entry = ap->add_sta_proc_entries; - ap->add_sta_proc_entries = NULL; - - while (entry) { - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, entry->addr); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&ap->sta_table_lock); - - if (sta) { - sprintf(name, "%pM", sta->addr); - sta->proc = proc_create_data( - name, 0, ap->proc, - &prism2_sta_proc_fops, sta); - - atomic_dec(&sta->users); - } - - prev = entry; - entry = entry->next; - kfree(prev); - } -} - - -static struct sta_info * ap_add_sta(struct ap_data *ap, u8 *addr) -{ - struct sta_info *sta; - - sta = kzalloc(sizeof(struct sta_info), GFP_ATOMIC); - if (sta == NULL) { - PDEBUG(DEBUG_AP, "AP: kmalloc failed\n"); - return NULL; - } - - /* initialize STA info data */ - sta->local = ap->local; - skb_queue_head_init(&sta->tx_buf); - memcpy(sta->addr, addr, ETH_ALEN); - - atomic_inc(&sta->users); - spin_lock_bh(&ap->sta_table_lock); - list_add(&sta->list, &ap->sta_list); - ap->num_sta++; - ap_sta_hash_add(ap, sta); - spin_unlock_bh(&ap->sta_table_lock); - - if (ap->proc) { - struct add_sta_proc_data *entry; - /* schedule a non-interrupt context process to add a procfs - * entry for the STA since procfs code use GFP_KERNEL */ - entry = kmalloc(sizeof(*entry), GFP_ATOMIC); - if (entry) { - memcpy(entry->addr, sta->addr, ETH_ALEN); - entry->next = ap->add_sta_proc_entries; - ap->add_sta_proc_entries = entry; - schedule_work(&ap->add_sta_proc_queue); - } else - printk(KERN_DEBUG "Failed to add STA proc data\n"); - } - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - init_timer(&sta->timer); - sta->timer.expires = jiffies + ap->max_inactivity; - sta->timer.data = (unsigned long) sta; - sta->timer.function = ap_handle_timer; - if (!ap->local->hostapd) - add_timer(&sta->timer); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - return sta; -} - - -static int ap_tx_rate_ok(int rateidx, struct sta_info *sta, - local_info_t *local) -{ - if (rateidx > sta->tx_max_rate || - !(sta->tx_supp_rates & (1 << rateidx))) - return 0; - - if (local->tx_rate_control != 0 && - !(local->tx_rate_control & (1 << rateidx))) - return 0; - - return 1; -} - - -static void prism2_check_tx_rates(struct sta_info *sta) -{ - int i; - - sta->tx_supp_rates = 0; - for (i = 0; i < sizeof(sta->supported_rates); i++) { - if ((sta->supported_rates[i] & 0x7f) == 2) - sta->tx_supp_rates |= WLAN_RATE_1M; - if ((sta->supported_rates[i] & 0x7f) == 4) - sta->tx_supp_rates |= WLAN_RATE_2M; - if ((sta->supported_rates[i] & 0x7f) == 11) - sta->tx_supp_rates |= WLAN_RATE_5M5; - if ((sta->supported_rates[i] & 0x7f) == 22) - sta->tx_supp_rates |= WLAN_RATE_11M; - } - sta->tx_max_rate = sta->tx_rate = sta->tx_rate_idx = 0; - if (sta->tx_supp_rates & WLAN_RATE_1M) { - sta->tx_max_rate = 0; - if (ap_tx_rate_ok(0, sta, sta->local)) { - sta->tx_rate = 10; - sta->tx_rate_idx = 0; - } - } - if (sta->tx_supp_rates & WLAN_RATE_2M) { - sta->tx_max_rate = 1; - if (ap_tx_rate_ok(1, sta, sta->local)) { - sta->tx_rate = 20; - sta->tx_rate_idx = 1; - } - } - if (sta->tx_supp_rates & WLAN_RATE_5M5) { - sta->tx_max_rate = 2; - if (ap_tx_rate_ok(2, sta, sta->local)) { - sta->tx_rate = 55; - sta->tx_rate_idx = 2; - } - } - if (sta->tx_supp_rates & WLAN_RATE_11M) { - sta->tx_max_rate = 3; - if (ap_tx_rate_ok(3, sta, sta->local)) { - sta->tx_rate = 110; - sta->tx_rate_idx = 3; - } - } -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - -static void ap_crypt_init(struct ap_data *ap) -{ - ap->crypt = lib80211_get_crypto_ops("WEP"); - - if (ap->crypt) { - if (ap->crypt->init) { - ap->crypt_priv = ap->crypt->init(0); - if (ap->crypt_priv == NULL) - ap->crypt = NULL; - else { - u8 key[WEP_KEY_LEN]; - get_random_bytes(key, WEP_KEY_LEN); - ap->crypt->set_key(key, WEP_KEY_LEN, NULL, - ap->crypt_priv); - } - } - } - - if (ap->crypt == NULL) { - printk(KERN_WARNING "AP could not initialize WEP: load module " - "lib80211_crypt_wep.ko\n"); - } -} - - -/* Generate challenge data for shared key authentication. IEEE 802.11 specifies - * that WEP algorithm is used for generating challenge. This should be unique, - * but otherwise there is not really need for randomness etc. Initialize WEP - * with pseudo random key and then use increasing IV to get unique challenge - * streams. - * - * Called only as a scheduled task for pending AP frames. - */ -static char * ap_auth_make_challenge(struct ap_data *ap) -{ - char *tmpbuf; - struct sk_buff *skb; - - if (ap->crypt == NULL) { - ap_crypt_init(ap); - if (ap->crypt == NULL) - return NULL; - } - - tmpbuf = kmalloc(WLAN_AUTH_CHALLENGE_LEN, GFP_ATOMIC); - if (tmpbuf == NULL) { - PDEBUG(DEBUG_AP, "AP: kmalloc failed for challenge\n"); - return NULL; - } - - skb = dev_alloc_skb(WLAN_AUTH_CHALLENGE_LEN + - ap->crypt->extra_mpdu_prefix_len + - ap->crypt->extra_mpdu_postfix_len); - if (skb == NULL) { - kfree(tmpbuf); - return NULL; - } - - skb_reserve(skb, ap->crypt->extra_mpdu_prefix_len); - memset(skb_put(skb, WLAN_AUTH_CHALLENGE_LEN), 0, - WLAN_AUTH_CHALLENGE_LEN); - if (ap->crypt->encrypt_mpdu(skb, 0, ap->crypt_priv)) { - dev_kfree_skb(skb); - kfree(tmpbuf); - return NULL; - } - - skb_copy_from_linear_data_offset(skb, ap->crypt->extra_mpdu_prefix_len, - tmpbuf, WLAN_AUTH_CHALLENGE_LEN); - dev_kfree_skb(skb); - - return tmpbuf; -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void handle_authen(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - size_t hdrlen; - struct ap_data *ap = local->ap; - char body[8 + WLAN_AUTH_CHALLENGE_LEN], *challenge = NULL; - int len, olen; - u16 auth_alg, auth_transaction, status_code; - __le16 *pos; - u16 resp = WLAN_STATUS_SUCCESS; - struct sta_info *sta = NULL; - struct lib80211_crypt_data *crypt; - char *txt = ""; - - len = skb->len - IEEE80211_MGMT_HDR_LEN; - - hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); - - if (len < 6) { - PDEBUG(DEBUG_AP, "%s: handle_authen - too short payload " - "(len=%d) from %pM\n", dev->name, len, hdr->addr2); - return; - } - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&local->ap->sta_table_lock); - - if (sta && sta->crypt) - crypt = sta->crypt; - else { - int idx = 0; - if (skb->len >= hdrlen + 3) - idx = skb->data[hdrlen + 3] >> 6; - crypt = local->crypt_info.crypt[idx]; - } - - pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); - auth_alg = __le16_to_cpu(*pos); - pos++; - auth_transaction = __le16_to_cpu(*pos); - pos++; - status_code = __le16_to_cpu(*pos); - pos++; - - if (ether_addr_equal(dev->dev_addr, hdr->addr2) || - ap_control_mac_deny(&ap->mac_restrictions, hdr->addr2)) { - txt = "authentication denied"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - - if (((local->auth_algs & PRISM2_AUTH_OPEN) && - auth_alg == WLAN_AUTH_OPEN) || - ((local->auth_algs & PRISM2_AUTH_SHARED_KEY) && - crypt && auth_alg == WLAN_AUTH_SHARED_KEY)) { - } else { - txt = "unsupported algorithm"; - resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; - goto fail; - } - - if (len >= 8) { - u8 *u = (u8 *) pos; - if (*u == WLAN_EID_CHALLENGE) { - if (*(u + 1) != WLAN_AUTH_CHALLENGE_LEN) { - txt = "invalid challenge len"; - resp = WLAN_STATUS_CHALLENGE_FAIL; - goto fail; - } - if (len - 8 < WLAN_AUTH_CHALLENGE_LEN) { - txt = "challenge underflow"; - resp = WLAN_STATUS_CHALLENGE_FAIL; - goto fail; - } - challenge = (char *) (u + 2); - } - } - - if (sta && sta->ap) { - if (time_after(jiffies, sta->u.ap.last_beacon + - (10 * sta->listen_interval * HZ) / 1024)) { - PDEBUG(DEBUG_AP, "%s: no beacons received for a while," - " assuming AP %pM is now STA\n", - dev->name, sta->addr); - sta->ap = 0; - sta->flags = 0; - sta->u.sta.challenge = NULL; - } else { - txt = "AP trying to authenticate?"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - } - - if ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1) || - (auth_alg == WLAN_AUTH_SHARED_KEY && - (auth_transaction == 1 || - (auth_transaction == 3 && sta != NULL && - sta->u.sta.challenge != NULL)))) { - } else { - txt = "unknown authentication transaction number"; - resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; - goto fail; - } - - if (sta == NULL) { - txt = "new STA"; - - if (local->ap->num_sta >= MAX_STA_COUNT) { - /* FIX: might try to remove some old STAs first? */ - txt = "no more room for new STAs"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - - sta = ap_add_sta(local->ap, hdr->addr2); - if (sta == NULL) { - txt = "ap_add_sta failed"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - } - - switch (auth_alg) { - case WLAN_AUTH_OPEN: - txt = "authOK"; - /* IEEE 802.11 standard is not completely clear about - * whether STA is considered authenticated after - * authentication OK frame has been send or after it - * has been ACKed. In order to reduce interoperability - * issues, mark the STA authenticated before ACK. */ - sta->flags |= WLAN_STA_AUTH; - break; - - case WLAN_AUTH_SHARED_KEY: - if (auth_transaction == 1) { - if (sta->u.sta.challenge == NULL) { - sta->u.sta.challenge = - ap_auth_make_challenge(local->ap); - if (sta->u.sta.challenge == NULL) { - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - } - } else { - if (sta->u.sta.challenge == NULL || - challenge == NULL || - memcmp(sta->u.sta.challenge, challenge, - WLAN_AUTH_CHALLENGE_LEN) != 0 || - !ieee80211_has_protected(hdr->frame_control)) { - txt = "challenge response incorrect"; - resp = WLAN_STATUS_CHALLENGE_FAIL; - goto fail; - } - - txt = "challenge OK - authOK"; - /* IEEE 802.11 standard is not completely clear about - * whether STA is considered authenticated after - * authentication OK frame has been send or after it - * has been ACKed. In order to reduce interoperability - * issues, mark the STA authenticated before ACK. */ - sta->flags |= WLAN_STA_AUTH; - kfree(sta->u.sta.challenge); - sta->u.sta.challenge = NULL; - } - break; - } - - fail: - pos = (__le16 *) body; - *pos = cpu_to_le16(auth_alg); - pos++; - *pos = cpu_to_le16(auth_transaction + 1); - pos++; - *pos = cpu_to_le16(resp); /* status_code */ - pos++; - olen = 6; - - if (resp == WLAN_STATUS_SUCCESS && sta != NULL && - sta->u.sta.challenge != NULL && - auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 1) { - u8 *tmp = (u8 *) pos; - *tmp++ = WLAN_EID_CHALLENGE; - *tmp++ = WLAN_AUTH_CHALLENGE_LEN; - pos++; - memcpy(pos, sta->u.sta.challenge, WLAN_AUTH_CHALLENGE_LEN); - olen += 2 + WLAN_AUTH_CHALLENGE_LEN; - } - - prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH, - body, olen, hdr->addr2, ap->tx_callback_auth); - - if (sta) { - sta->last_rx = jiffies; - atomic_dec(&sta->users); - } - - if (resp) { - PDEBUG(DEBUG_AP, "%s: %pM auth (alg=%d " - "trans#=%d stat=%d len=%d fc=%04x) ==> %d (%s)\n", - dev->name, hdr->addr2, - auth_alg, auth_transaction, status_code, len, - le16_to_cpu(hdr->frame_control), resp, txt); - } -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void handle_assoc(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats, int reassoc) -{ - struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - char body[12], *p, *lpos; - int len, left; - __le16 *pos; - u16 resp = WLAN_STATUS_SUCCESS; - struct sta_info *sta = NULL; - int send_deauth = 0; - char *txt = ""; - u8 prev_ap[ETH_ALEN]; - - left = len = skb->len - IEEE80211_MGMT_HDR_LEN; - - if (len < (reassoc ? 10 : 4)) { - PDEBUG(DEBUG_AP, "%s: handle_assoc - too short payload " - "(len=%d, reassoc=%d) from %pM\n", - dev->name, len, reassoc, hdr->addr2); - return; - } - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) { - spin_unlock_bh(&local->ap->sta_table_lock); - txt = "trying to associate before authentication"; - send_deauth = 1; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - sta = NULL; /* do not decrement sta->users */ - goto fail; - } - atomic_inc(&sta->users); - spin_unlock_bh(&local->ap->sta_table_lock); - - pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); - sta->capability = __le16_to_cpu(*pos); - pos++; left -= 2; - sta->listen_interval = __le16_to_cpu(*pos); - pos++; left -= 2; - - if (reassoc) { - memcpy(prev_ap, pos, ETH_ALEN); - pos++; pos++; pos++; left -= 6; - } else - eth_zero_addr(prev_ap); - - if (left >= 2) { - unsigned int ileft; - unsigned char *u = (unsigned char *) pos; - - if (*u == WLAN_EID_SSID) { - u++; left--; - ileft = *u; - u++; left--; - - if (ileft > left || ileft > MAX_SSID_LEN) { - txt = "SSID overflow"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - - if (ileft != strlen(local->essid) || - memcmp(local->essid, u, ileft) != 0) { - txt = "not our SSID"; - resp = WLAN_STATUS_ASSOC_DENIED_UNSPEC; - goto fail; - } - - u += ileft; - left -= ileft; - } - - if (left >= 2 && *u == WLAN_EID_SUPP_RATES) { - u++; left--; - ileft = *u; - u++; left--; - - if (ileft > left || ileft == 0 || - ileft > WLAN_SUPP_RATES_MAX) { - txt = "SUPP_RATES len error"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - - memset(sta->supported_rates, 0, - sizeof(sta->supported_rates)); - memcpy(sta->supported_rates, u, ileft); - prism2_check_tx_rates(sta); - - u += ileft; - left -= ileft; - } - - if (left > 0) { - PDEBUG(DEBUG_AP, "%s: assoc from %pM" - " with extra data (%d bytes) [", - dev->name, hdr->addr2, left); - while (left > 0) { - PDEBUG2(DEBUG_AP, "<%02x>", *u); - u++; left--; - } - PDEBUG2(DEBUG_AP, "]\n"); - } - } else { - txt = "frame underflow"; - resp = WLAN_STATUS_UNSPECIFIED_FAILURE; - goto fail; - } - - /* get a unique AID */ - if (sta->aid > 0) - txt = "OK, old AID"; - else { - spin_lock_bh(&local->ap->sta_table_lock); - for (sta->aid = 1; sta->aid <= MAX_AID_TABLE_SIZE; sta->aid++) - if (local->ap->sta_aid[sta->aid - 1] == NULL) - break; - if (sta->aid > MAX_AID_TABLE_SIZE) { - sta->aid = 0; - spin_unlock_bh(&local->ap->sta_table_lock); - resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; - txt = "no room for more AIDs"; - } else { - local->ap->sta_aid[sta->aid - 1] = sta; - spin_unlock_bh(&local->ap->sta_table_lock); - txt = "OK, new AID"; - } - } - - fail: - pos = (__le16 *) body; - - if (send_deauth) { - *pos = cpu_to_le16(WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH); - pos++; - } else { - /* FIX: CF-Pollable and CF-PollReq should be set to match the - * values in beacons/probe responses */ - /* FIX: how about privacy and WEP? */ - /* capability */ - *pos = cpu_to_le16(WLAN_CAPABILITY_ESS); - pos++; - - /* status_code */ - *pos = cpu_to_le16(resp); - pos++; - - *pos = cpu_to_le16((sta && sta->aid > 0 ? sta->aid : 0) | - BIT(14) | BIT(15)); /* AID */ - pos++; - - /* Supported rates (Information element) */ - p = (char *) pos; - *p++ = WLAN_EID_SUPP_RATES; - lpos = p; - *p++ = 0; /* len */ - if (local->tx_rate_control & WLAN_RATE_1M) { - *p++ = local->basic_rates & WLAN_RATE_1M ? 0x82 : 0x02; - (*lpos)++; - } - if (local->tx_rate_control & WLAN_RATE_2M) { - *p++ = local->basic_rates & WLAN_RATE_2M ? 0x84 : 0x04; - (*lpos)++; - } - if (local->tx_rate_control & WLAN_RATE_5M5) { - *p++ = local->basic_rates & WLAN_RATE_5M5 ? - 0x8b : 0x0b; - (*lpos)++; - } - if (local->tx_rate_control & WLAN_RATE_11M) { - *p++ = local->basic_rates & WLAN_RATE_11M ? - 0x96 : 0x16; - (*lpos)++; - } - pos = (__le16 *) p; - } - - prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | - (send_deauth ? IEEE80211_STYPE_DEAUTH : - (reassoc ? IEEE80211_STYPE_REASSOC_RESP : - IEEE80211_STYPE_ASSOC_RESP)), - body, (u8 *) pos - (u8 *) body, - hdr->addr2, - send_deauth ? 0 : local->ap->tx_callback_assoc); - - if (sta) { - if (resp == WLAN_STATUS_SUCCESS) { - sta->last_rx = jiffies; - /* STA will be marked associated from TX callback, if - * AssocResp is ACKed */ - } - atomic_dec(&sta->users); - } - -#if 0 - PDEBUG(DEBUG_AP, "%s: %pM %sassoc (len=%d " - "prev_ap=%pM) => %d(%d) (%s)\n", - dev->name, - hdr->addr2, - reassoc ? "re" : "", len, - prev_ap, - resp, send_deauth, txt); -#endif -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void handle_deauth(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - char *body = (char *) (skb->data + IEEE80211_MGMT_HDR_LEN); - int len; - u16 reason_code; - __le16 *pos; - struct sta_info *sta = NULL; - - len = skb->len - IEEE80211_MGMT_HDR_LEN; - - if (len < 2) { - printk("handle_deauth - too short payload (len=%d)\n", len); - return; - } - - pos = (__le16 *) body; - reason_code = le16_to_cpu(*pos); - - PDEBUG(DEBUG_AP, "%s: deauthentication: %pM len=%d, " - "reason_code=%d\n", dev->name, hdr->addr2, - len, reason_code); - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta != NULL) { - if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap) - hostap_event_expired_sta(local->dev, sta); - sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); - } - spin_unlock_bh(&local->ap->sta_table_lock); - if (sta == NULL) { - printk("%s: deauthentication from %pM, " - "reason_code=%d, but STA not authenticated\n", dev->name, - hdr->addr2, reason_code); - } -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void handle_disassoc(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - char *body = skb->data + IEEE80211_MGMT_HDR_LEN; - int len; - u16 reason_code; - __le16 *pos; - struct sta_info *sta = NULL; - - len = skb->len - IEEE80211_MGMT_HDR_LEN; - - if (len < 2) { - printk("handle_disassoc - too short payload (len=%d)\n", len); - return; - } - - pos = (__le16 *) body; - reason_code = le16_to_cpu(*pos); - - PDEBUG(DEBUG_AP, "%s: disassociation: %pM len=%d, " - "reason_code=%d\n", dev->name, hdr->addr2, - len, reason_code); - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta != NULL) { - if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap) - hostap_event_expired_sta(local->dev, sta); - sta->flags &= ~WLAN_STA_ASSOC; - } - spin_unlock_bh(&local->ap->sta_table_lock); - if (sta == NULL) { - printk("%s: disassociation from %pM, " - "reason_code=%d, but STA not authenticated\n", - dev->name, hdr->addr2, reason_code); - } -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void ap_handle_data_nullfunc(local_info_t *local, - struct ieee80211_hdr *hdr) -{ - struct net_device *dev = local->dev; - - /* some STA f/w's seem to require control::ACK frame for - * data::nullfunc, but at least Prism2 station f/w version 0.8.0 does - * not send this.. - * send control::ACK for the data::nullfunc */ - - printk(KERN_DEBUG "Sending control::ACK for data::nullfunc\n"); - prism2_send_mgmt(dev, IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK, - NULL, 0, hdr->addr2, 0); -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void ap_handle_dropped_data(local_info_t *local, - struct ieee80211_hdr *hdr) -{ - struct net_device *dev = local->dev; - struct sta_info *sta; - __le16 reason; - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&local->ap->sta_table_lock); - - if (sta != NULL && (sta->flags & WLAN_STA_ASSOC)) { - PDEBUG(DEBUG_AP, "ap_handle_dropped_data: STA is now okay?\n"); - atomic_dec(&sta->users); - return; - } - - reason = cpu_to_le16(WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA); - prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | - ((sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) ? - IEEE80211_STYPE_DEAUTH : IEEE80211_STYPE_DISASSOC), - (char *) &reason, sizeof(reason), hdr->addr2, 0); - - if (sta) - atomic_dec(&sta->users); -} - -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -/* Called only as a scheduled task for pending AP frames. */ -static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta, - struct sk_buff *skb) -{ - struct hostap_skb_tx_data *meta; - - if (!(sta->flags & WLAN_STA_PS)) { - /* Station has moved to non-PS mode, so send all buffered - * frames using normal device queue. */ - dev_queue_xmit(skb); - return; - } - - /* add a flag for hostap_handle_sta_tx() to know that this skb should - * be passed through even though STA is using PS */ - meta = (struct hostap_skb_tx_data *) skb->cb; - meta->flags |= HOSTAP_TX_FLAGS_BUFFERED_FRAME; - if (!skb_queue_empty(&sta->tx_buf)) { - /* indicate to STA that more frames follow */ - meta->flags |= HOSTAP_TX_FLAGS_ADD_MOREDATA; - } - dev_queue_xmit(skb); -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void handle_pspoll(local_info_t *local, - struct ieee80211_hdr *hdr, - struct hostap_80211_rx_status *rx_stats) -{ - struct net_device *dev = local->dev; - struct sta_info *sta; - u16 aid; - struct sk_buff *skb; - - PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=%pM, TA=%pM PWRMGT=%d\n", - hdr->addr1, hdr->addr2, !!ieee80211_has_pm(hdr->frame_control)); - - if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) { - PDEBUG(DEBUG_AP, - "handle_pspoll - addr1(BSSID)=%pM not own MAC\n", - hdr->addr1); - return; - } - - aid = le16_to_cpu(hdr->duration_id); - if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) { - PDEBUG(DEBUG_PS, " PSPOLL and AID[15:14] not set\n"); - return; - } - aid &= ~(BIT(15) | BIT(14)); - if (aid == 0 || aid > MAX_AID_TABLE_SIZE) { - PDEBUG(DEBUG_PS, " invalid aid=%d\n", aid); - return; - } - PDEBUG(DEBUG_PS2, " aid=%d\n", aid); - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&local->ap->sta_table_lock); - - if (sta == NULL) { - PDEBUG(DEBUG_PS, " STA not found\n"); - return; - } - if (sta->aid != aid) { - PDEBUG(DEBUG_PS, " received aid=%i does not match with " - "assoc.aid=%d\n", aid, sta->aid); - return; - } - - /* FIX: todo: - * - add timeout for buffering (clear aid in TIM vector if buffer timed - * out (expiry time must be longer than ListenInterval for - * the corresponding STA; "8802-11: 11.2.1.9 AP aging function" - * - what to do, if buffered, pspolled, and sent frame is not ACKed by - * sta; store buffer for later use and leave TIM aid bit set? use - * TX event to check whether frame was ACKed? - */ - - while ((skb = skb_dequeue(&sta->tx_buf)) != NULL) { - /* send buffered frame .. */ - PDEBUG(DEBUG_PS2, "Sending buffered frame to STA after PS POLL" - " (buffer_count=%d)\n", skb_queue_len(&sta->tx_buf)); - - pspoll_send_buffered(local, sta, skb); - - if (sta->flags & WLAN_STA_PS) { - /* send only one buffered packet per PS Poll */ - /* FIX: should ignore further PS Polls until the - * buffered packet that was just sent is acknowledged - * (Tx or TxExc event) */ - break; - } - } - - if (skb_queue_empty(&sta->tx_buf)) { - /* try to clear aid from TIM */ - if (!(sta->flags & WLAN_STA_TIM)) - PDEBUG(DEBUG_PS2, "Re-unsetting TIM for aid %d\n", - aid); - hostap_set_tim(local, aid, 0); - sta->flags &= ~WLAN_STA_TIM; - } - - atomic_dec(&sta->users); -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - -static void handle_wds_oper_queue(struct work_struct *work) -{ - struct ap_data *ap = container_of(work, struct ap_data, - wds_oper_queue); - local_info_t *local = ap->local; - struct wds_oper_data *entry, *prev; - - spin_lock_bh(&local->lock); - entry = local->ap->wds_oper_entries; - local->ap->wds_oper_entries = NULL; - spin_unlock_bh(&local->lock); - - while (entry) { - PDEBUG(DEBUG_AP, "%s: %s automatic WDS connection " - "to AP %pM\n", - local->dev->name, - entry->type == WDS_ADD ? "adding" : "removing", - entry->addr); - if (entry->type == WDS_ADD) - prism2_wds_add(local, entry->addr, 0); - else if (entry->type == WDS_DEL) - prism2_wds_del(local, entry->addr, 0, 1); - - prev = entry; - entry = entry->next; - kfree(prev); - } -} - - -/* Called only as a scheduled task for pending AP frames. */ -static void handle_beacon(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - char *body = skb->data + IEEE80211_MGMT_HDR_LEN; - int len, left; - u16 beacon_int, capability; - __le16 *pos; - char *ssid = NULL; - unsigned char *supp_rates = NULL; - int ssid_len = 0, supp_rates_len = 0; - struct sta_info *sta = NULL; - int new_sta = 0, channel = -1; - - len = skb->len - IEEE80211_MGMT_HDR_LEN; - - if (len < 8 + 2 + 2) { - printk(KERN_DEBUG "handle_beacon - too short payload " - "(len=%d)\n", len); - return; - } - - pos = (__le16 *) body; - left = len; - - /* Timestamp (8 octets) */ - pos += 4; left -= 8; - /* Beacon interval (2 octets) */ - beacon_int = le16_to_cpu(*pos); - pos++; left -= 2; - /* Capability information (2 octets) */ - capability = le16_to_cpu(*pos); - pos++; left -= 2; - - if (local->ap->ap_policy != AP_OTHER_AP_EVEN_IBSS && - capability & WLAN_CAPABILITY_IBSS) - return; - - if (left >= 2) { - unsigned int ileft; - unsigned char *u = (unsigned char *) pos; - - if (*u == WLAN_EID_SSID) { - u++; left--; - ileft = *u; - u++; left--; - - if (ileft > left || ileft > MAX_SSID_LEN) { - PDEBUG(DEBUG_AP, "SSID: overflow\n"); - return; - } - - if (local->ap->ap_policy == AP_OTHER_AP_SAME_SSID && - (ileft != strlen(local->essid) || - memcmp(local->essid, u, ileft) != 0)) { - /* not our SSID */ - return; - } - - ssid = u; - ssid_len = ileft; - - u += ileft; - left -= ileft; - } - - if (*u == WLAN_EID_SUPP_RATES) { - u++; left--; - ileft = *u; - u++; left--; - - if (ileft > left || ileft == 0 || ileft > 8) { - PDEBUG(DEBUG_AP, " - SUPP_RATES len error\n"); - return; - } - - supp_rates = u; - supp_rates_len = ileft; - - u += ileft; - left -= ileft; - } - - if (*u == WLAN_EID_DS_PARAMS) { - u++; left--; - ileft = *u; - u++; left--; - - if (ileft > left || ileft != 1) { - PDEBUG(DEBUG_AP, " - DS_PARAMS len error\n"); - return; - } - - channel = *u; - - u += ileft; - left -= ileft; - } - } - - spin_lock_bh(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta != NULL) - atomic_inc(&sta->users); - spin_unlock_bh(&local->ap->sta_table_lock); - - if (sta == NULL) { - /* add new AP */ - new_sta = 1; - sta = ap_add_sta(local->ap, hdr->addr2); - if (sta == NULL) { - printk(KERN_INFO "prism2: kmalloc failed for AP " - "data structure\n"); - return; - } - hostap_event_new_sta(local->dev, sta); - - /* mark APs authentication and associated for pseudo ad-hoc - * style communication */ - sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; - - if (local->ap->autom_ap_wds) { - hostap_wds_link_oper(local, sta->addr, WDS_ADD); - } - } - - sta->ap = 1; - if (ssid) { - sta->u.ap.ssid_len = ssid_len; - memcpy(sta->u.ap.ssid, ssid, ssid_len); - sta->u.ap.ssid[ssid_len] = '\0'; - } else { - sta->u.ap.ssid_len = 0; - sta->u.ap.ssid[0] = '\0'; - } - sta->u.ap.channel = channel; - sta->rx_packets++; - sta->rx_bytes += len; - sta->u.ap.last_beacon = sta->last_rx = jiffies; - sta->capability = capability; - sta->listen_interval = beacon_int; - - atomic_dec(&sta->users); - - if (new_sta) { - memset(sta->supported_rates, 0, sizeof(sta->supported_rates)); - memcpy(sta->supported_rates, supp_rates, supp_rates_len); - prism2_check_tx_rates(sta); - } -} - -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -/* Called only as a tasklet. */ -static void handle_ap_item(local_info_t *local, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - struct net_device *dev = local->dev; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - u16 fc, type, stype; - struct ieee80211_hdr *hdr; - - /* FIX: should give skb->len to handler functions and check that the - * buffer is long enough */ - hdr = (struct ieee80211_hdr *) skb->data; - fc = le16_to_cpu(hdr->frame_control); - type = fc & IEEE80211_FCTL_FTYPE; - stype = fc & IEEE80211_FCTL_STYPE; - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (!local->hostapd && type == IEEE80211_FTYPE_DATA) { - PDEBUG(DEBUG_AP, "handle_ap_item - data frame\n"); - - if (!(fc & IEEE80211_FCTL_TODS) || - (fc & IEEE80211_FCTL_FROMDS)) { - if (stype == IEEE80211_STYPE_NULLFUNC) { - /* no ToDS nullfunc seems to be used to check - * AP association; so send reject message to - * speed up re-association */ - ap_handle_dropped_data(local, hdr); - goto done; - } - PDEBUG(DEBUG_AP, " not ToDS frame (fc=0x%04x)\n", - fc); - goto done; - } - - if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) { - PDEBUG(DEBUG_AP, "handle_ap_item - addr1(BSSID)=%pM" - " not own MAC\n", hdr->addr1); - goto done; - } - - if (local->ap->nullfunc_ack && - stype == IEEE80211_STYPE_NULLFUNC) - ap_handle_data_nullfunc(local, hdr); - else - ap_handle_dropped_data(local, hdr); - goto done; - } - - if (type == IEEE80211_FTYPE_MGMT && stype == IEEE80211_STYPE_BEACON) { - handle_beacon(local, skb, rx_stats); - goto done; - } -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - if (type == IEEE80211_FTYPE_CTL && stype == IEEE80211_STYPE_PSPOLL) { - handle_pspoll(local, hdr, rx_stats); - goto done; - } - - if (local->hostapd) { - PDEBUG(DEBUG_AP, "Unknown frame in AP queue: type=0x%02x " - "subtype=0x%02x\n", type, stype); - goto done; - } - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (type != IEEE80211_FTYPE_MGMT) { - PDEBUG(DEBUG_AP, "handle_ap_item - not a management frame?\n"); - goto done; - } - - if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) { - PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=%pM" - " not own MAC\n", hdr->addr1); - goto done; - } - - if (!ether_addr_equal(hdr->addr3, dev->dev_addr)) { - PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=%pM" - " not own MAC\n", hdr->addr3); - goto done; - } - - switch (stype) { - case IEEE80211_STYPE_ASSOC_REQ: - handle_assoc(local, skb, rx_stats, 0); - break; - case IEEE80211_STYPE_ASSOC_RESP: - PDEBUG(DEBUG_AP, "==> ASSOC RESP (ignored)\n"); - break; - case IEEE80211_STYPE_REASSOC_REQ: - handle_assoc(local, skb, rx_stats, 1); - break; - case IEEE80211_STYPE_REASSOC_RESP: - PDEBUG(DEBUG_AP, "==> REASSOC RESP (ignored)\n"); - break; - case IEEE80211_STYPE_ATIM: - PDEBUG(DEBUG_AP, "==> ATIM (ignored)\n"); - break; - case IEEE80211_STYPE_DISASSOC: - handle_disassoc(local, skb, rx_stats); - break; - case IEEE80211_STYPE_AUTH: - handle_authen(local, skb, rx_stats); - break; - case IEEE80211_STYPE_DEAUTH: - handle_deauth(local, skb, rx_stats); - break; - default: - PDEBUG(DEBUG_AP, "Unknown mgmt frame subtype 0x%02x\n", - stype >> 4); - break; - } -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - done: - dev_kfree_skb(skb); -} - - -/* Called only as a tasklet (software IRQ) */ -void hostap_rx(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats) -{ - struct hostap_interface *iface; - local_info_t *local; - struct ieee80211_hdr *hdr; - - iface = netdev_priv(dev); - local = iface->local; - - if (skb->len < 16) - goto drop; - - dev->stats.rx_packets++; - - hdr = (struct ieee80211_hdr *) skb->data; - - if (local->ap->ap_policy == AP_OTHER_AP_SKIP_ALL && - ieee80211_is_beacon(hdr->frame_control)) - goto drop; - - skb->protocol = cpu_to_be16(ETH_P_HOSTAP); - handle_ap_item(local, skb, rx_stats); - return; - - drop: - dev_kfree_skb(skb); -} - - -/* Called only as a tasklet (software IRQ) */ -static void schedule_packet_send(local_info_t *local, struct sta_info *sta) -{ - struct sk_buff *skb; - struct ieee80211_hdr *hdr; - struct hostap_80211_rx_status rx_stats; - - if (skb_queue_empty(&sta->tx_buf)) - return; - - skb = dev_alloc_skb(16); - if (skb == NULL) { - printk(KERN_DEBUG "%s: schedule_packet_send: skb alloc " - "failed\n", local->dev->name); - return; - } - - hdr = (struct ieee80211_hdr *) skb_put(skb, 16); - - /* Generate a fake pspoll frame to start packet delivery */ - hdr->frame_control = cpu_to_le16( - IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); - memcpy(hdr->addr1, local->dev->dev_addr, ETH_ALEN); - memcpy(hdr->addr2, sta->addr, ETH_ALEN); - hdr->duration_id = cpu_to_le16(sta->aid | BIT(15) | BIT(14)); - - PDEBUG(DEBUG_PS2, - "%s: Scheduling buffered packet delivery for STA %pM\n", - local->dev->name, sta->addr); - - skb->dev = local->dev; - - memset(&rx_stats, 0, sizeof(rx_stats)); - hostap_rx(local->dev, skb, &rx_stats); -} - - -int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], - struct iw_quality qual[], int buf_size, - int aplist) -{ - struct ap_data *ap = local->ap; - struct list_head *ptr; - int count = 0; - - spin_lock_bh(&ap->sta_table_lock); - - for (ptr = ap->sta_list.next; ptr != NULL && ptr != &ap->sta_list; - ptr = ptr->next) { - struct sta_info *sta = (struct sta_info *) ptr; - - if (aplist && !sta->ap) - continue; - addr[count].sa_family = ARPHRD_ETHER; - memcpy(addr[count].sa_data, sta->addr, ETH_ALEN); - if (sta->last_rx_silence == 0) - qual[count].qual = sta->last_rx_signal < 27 ? - 0 : (sta->last_rx_signal - 27) * 92 / 127; - else - qual[count].qual = sta->last_rx_signal - - sta->last_rx_silence - 35; - qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal); - qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); - qual[count].updated = sta->last_rx_updated; - - sta->last_rx_updated = IW_QUAL_DBM; - - count++; - if (count >= buf_size) - break; - } - spin_unlock_bh(&ap->sta_table_lock); - - return count; -} - - -/* Translate our list of Access Points & Stations to a card independent - * format that the Wireless Tools will understand - Jean II */ -int prism2_ap_translate_scan(struct net_device *dev, - struct iw_request_info *info, char *buffer) -{ - struct hostap_interface *iface; - local_info_t *local; - struct ap_data *ap; - struct list_head *ptr; - struct iw_event iwe; - char *current_ev = buffer; - char *end_buf = buffer + IW_SCAN_MAX_DATA; -#if !defined(PRISM2_NO_KERNEL_IEEE80211_MGMT) - char buf[64]; -#endif - - iface = netdev_priv(dev); - local = iface->local; - ap = local->ap; - - spin_lock_bh(&ap->sta_table_lock); - - for (ptr = ap->sta_list.next; ptr != NULL && ptr != &ap->sta_list; - ptr = ptr->next) { - struct sta_info *sta = (struct sta_info *) ptr; - - /* First entry *MUST* be the AP MAC address */ - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, sta->addr, ETH_ALEN); - iwe.len = IW_EV_ADDR_LEN; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_ADDR_LEN); - - /* Use the mode to indicate if it's a station or - * an Access Point */ - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWMODE; - if (sta->ap) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_INFRA; - iwe.len = IW_EV_UINT_LEN; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_UINT_LEN); - - /* Some quality */ - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVQUAL; - if (sta->last_rx_silence == 0) - iwe.u.qual.qual = sta->last_rx_signal < 27 ? - 0 : (sta->last_rx_signal - 27) * 92 / 127; - else - iwe.u.qual.qual = sta->last_rx_signal - - sta->last_rx_silence - 35; - iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal); - iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); - iwe.u.qual.updated = sta->last_rx_updated; - iwe.len = IW_EV_QUAL_LEN; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_QUAL_LEN); - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (sta->ap) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = sta->u.ap.ssid_len; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, &iwe, - sta->u.ap.ssid); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWENCODE; - if (sta->capability & WLAN_CAPABILITY_PRIVACY) - iwe.u.data.flags = - IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, &iwe, - sta->u.ap.ssid); - - if (sta->u.ap.channel > 0 && - sta->u.ap.channel <= FREQ_COUNT) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = freq_list[sta->u.ap.channel - 1] - * 100000; - iwe.u.freq.e = 1; - current_ev = iwe_stream_add_event( - info, current_ev, end_buf, &iwe, - IW_EV_FREQ_LEN); - } - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "beacon_interval=%d", - sta->listen_interval); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, &iwe, buf); - } -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - sta->last_rx_updated = IW_QUAL_DBM; - - /* To be continued, we should make good use of IWEVCUSTOM */ - } - - spin_unlock_bh(&ap->sta_table_lock); - - return current_ev - buffer; -} - - -static int prism2_hostapd_add_sta(struct ap_data *ap, - struct prism2_hostapd_param *param) -{ - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, param->sta_addr); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&ap->sta_table_lock); - - if (sta == NULL) { - sta = ap_add_sta(ap, param->sta_addr); - if (sta == NULL) - return -1; - } - - if (!(sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) - hostap_event_new_sta(sta->local->dev, sta); - - sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; - sta->last_rx = jiffies; - sta->aid = param->u.add_sta.aid; - sta->capability = param->u.add_sta.capability; - sta->tx_supp_rates = param->u.add_sta.tx_supp_rates; - if (sta->tx_supp_rates & WLAN_RATE_1M) - sta->supported_rates[0] = 2; - if (sta->tx_supp_rates & WLAN_RATE_2M) - sta->supported_rates[1] = 4; - if (sta->tx_supp_rates & WLAN_RATE_5M5) - sta->supported_rates[2] = 11; - if (sta->tx_supp_rates & WLAN_RATE_11M) - sta->supported_rates[3] = 22; - prism2_check_tx_rates(sta); - atomic_dec(&sta->users); - return 0; -} - - -static int prism2_hostapd_remove_sta(struct ap_data *ap, - struct prism2_hostapd_param *param) -{ - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, param->sta_addr); - if (sta) { - ap_sta_hash_del(ap, sta); - list_del(&sta->list); - } - spin_unlock_bh(&ap->sta_table_lock); - - if (!sta) - return -ENOENT; - - if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) - hostap_event_expired_sta(sta->local->dev, sta); - ap_free_sta(ap, sta); - - return 0; -} - - -static int prism2_hostapd_get_info_sta(struct ap_data *ap, - struct prism2_hostapd_param *param) -{ - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, param->sta_addr); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&ap->sta_table_lock); - - if (!sta) - return -ENOENT; - - param->u.get_info_sta.inactive_sec = (jiffies - sta->last_rx) / HZ; - - atomic_dec(&sta->users); - - return 1; -} - - -static int prism2_hostapd_set_flags_sta(struct ap_data *ap, - struct prism2_hostapd_param *param) -{ - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, param->sta_addr); - if (sta) { - sta->flags |= param->u.set_flags_sta.flags_or; - sta->flags &= param->u.set_flags_sta.flags_and; - } - spin_unlock_bh(&ap->sta_table_lock); - - if (!sta) - return -ENOENT; - - return 0; -} - - -static int prism2_hostapd_sta_clear_stats(struct ap_data *ap, - struct prism2_hostapd_param *param) -{ - struct sta_info *sta; - int rate; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, param->sta_addr); - if (sta) { - sta->rx_packets = sta->tx_packets = 0; - sta->rx_bytes = sta->tx_bytes = 0; - for (rate = 0; rate < WLAN_RATE_COUNT; rate++) { - sta->tx_count[rate] = 0; - sta->rx_count[rate] = 0; - } - } - spin_unlock_bh(&ap->sta_table_lock); - - if (!sta) - return -ENOENT; - - return 0; -} - - -int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param) -{ - switch (param->cmd) { - case PRISM2_HOSTAPD_FLUSH: - ap_control_kickall(ap); - return 0; - case PRISM2_HOSTAPD_ADD_STA: - return prism2_hostapd_add_sta(ap, param); - case PRISM2_HOSTAPD_REMOVE_STA: - return prism2_hostapd_remove_sta(ap, param); - case PRISM2_HOSTAPD_GET_INFO_STA: - return prism2_hostapd_get_info_sta(ap, param); - case PRISM2_HOSTAPD_SET_FLAGS_STA: - return prism2_hostapd_set_flags_sta(ap, param); - case PRISM2_HOSTAPD_STA_CLEAR_STATS: - return prism2_hostapd_sta_clear_stats(ap, param); - default: - printk(KERN_WARNING "prism2_hostapd: unknown cmd=%d\n", - param->cmd); - return -EOPNOTSUPP; - } -} - - -/* Update station info for host-based TX rate control and return current - * TX rate */ -static int ap_update_sta_tx_rate(struct sta_info *sta, struct net_device *dev) -{ - int ret = sta->tx_rate; - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - sta->tx_count[sta->tx_rate_idx]++; - sta->tx_since_last_failure++; - sta->tx_consecutive_exc = 0; - if (sta->tx_since_last_failure >= WLAN_RATE_UPDATE_COUNT && - sta->tx_rate_idx < sta->tx_max_rate) { - /* use next higher rate */ - int old_rate, new_rate; - old_rate = new_rate = sta->tx_rate_idx; - while (new_rate < sta->tx_max_rate) { - new_rate++; - if (ap_tx_rate_ok(new_rate, sta, local)) { - sta->tx_rate_idx = new_rate; - break; - } - } - if (old_rate != sta->tx_rate_idx) { - switch (sta->tx_rate_idx) { - case 0: sta->tx_rate = 10; break; - case 1: sta->tx_rate = 20; break; - case 2: sta->tx_rate = 55; break; - case 3: sta->tx_rate = 110; break; - default: sta->tx_rate = 0; break; - } - PDEBUG(DEBUG_AP, "%s: STA %pM TX rate raised to %d\n", - dev->name, sta->addr, sta->tx_rate); - } - sta->tx_since_last_failure = 0; - } - - return ret; -} - - -/* Called only from software IRQ. Called for each TX frame prior possible - * encryption and transmit. */ -ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) -{ - struct sta_info *sta = NULL; - struct sk_buff *skb = tx->skb; - int set_tim, ret; - struct ieee80211_hdr *hdr; - struct hostap_skb_tx_data *meta; - - meta = (struct hostap_skb_tx_data *) skb->cb; - ret = AP_TX_CONTINUE; - if (local->ap == NULL || skb->len < 10 || - meta->iface->type == HOSTAP_INTERFACE_STA) - goto out; - - hdr = (struct ieee80211_hdr *) skb->data; - - if (hdr->addr1[0] & 0x01) { - /* broadcast/multicast frame - no AP related processing */ - if (local->ap->num_sta <= 0) - ret = AP_TX_DROP; - goto out; - } - - /* unicast packet - check whether destination STA is associated */ - spin_lock(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr1); - if (sta) - atomic_inc(&sta->users); - spin_unlock(&local->ap->sta_table_lock); - - if (local->iw_mode == IW_MODE_MASTER && sta == NULL && - !(meta->flags & HOSTAP_TX_FLAGS_WDS) && - meta->iface->type != HOSTAP_INTERFACE_MASTER && - meta->iface->type != HOSTAP_INTERFACE_AP) { -#if 0 - /* This can happen, e.g., when wlan0 is added to a bridge and - * bridging code does not know which port is the correct target - * for a unicast frame. In this case, the packet is send to all - * ports of the bridge. Since this is a valid scenario, do not - * print out any errors here. */ - if (net_ratelimit()) { - printk(KERN_DEBUG "AP: drop packet to non-associated " - "STA %pM\n", hdr->addr1); - } -#endif - local->ap->tx_drop_nonassoc++; - ret = AP_TX_DROP; - goto out; - } - - if (sta == NULL) - goto out; - - if (!(sta->flags & WLAN_STA_AUTHORIZED)) - ret = AP_TX_CONTINUE_NOT_AUTHORIZED; - - /* Set tx_rate if using host-based TX rate control */ - if (!local->fw_tx_rate_control) - local->ap->last_tx_rate = meta->rate = - ap_update_sta_tx_rate(sta, local->dev); - - if (local->iw_mode != IW_MODE_MASTER) - goto out; - - if (!(sta->flags & WLAN_STA_PS)) - goto out; - - if (meta->flags & HOSTAP_TX_FLAGS_ADD_MOREDATA) { - /* indicate to STA that more frames follow */ - hdr->frame_control |= - cpu_to_le16(IEEE80211_FCTL_MOREDATA); - } - - if (meta->flags & HOSTAP_TX_FLAGS_BUFFERED_FRAME) { - /* packet was already buffered and now send due to - * PS poll, so do not rebuffer it */ - goto out; - } - - if (skb_queue_len(&sta->tx_buf) >= STA_MAX_TX_BUFFER) { - PDEBUG(DEBUG_PS, "%s: No more space in STA (%pM)'s" - "PS mode buffer\n", - local->dev->name, sta->addr); - /* Make sure that TIM is set for the station (it might not be - * after AP wlan hw reset). */ - /* FIX: should fix hw reset to restore bits based on STA - * buffer state.. */ - hostap_set_tim(local, sta->aid, 1); - sta->flags |= WLAN_STA_TIM; - ret = AP_TX_DROP; - goto out; - } - - /* STA in PS mode, buffer frame for later delivery */ - set_tim = skb_queue_empty(&sta->tx_buf); - skb_queue_tail(&sta->tx_buf, skb); - /* FIX: could save RX time to skb and expire buffered frames after - * some time if STA does not poll for them */ - - if (set_tim) { - if (sta->flags & WLAN_STA_TIM) - PDEBUG(DEBUG_PS2, "Re-setting TIM for aid %d\n", - sta->aid); - hostap_set_tim(local, sta->aid, 1); - sta->flags |= WLAN_STA_TIM; - } - - ret = AP_TX_BUFFERED; - - out: - if (sta != NULL) { - if (ret == AP_TX_CONTINUE || - ret == AP_TX_CONTINUE_NOT_AUTHORIZED) { - sta->tx_packets++; - sta->tx_bytes += skb->len; - sta->last_tx = jiffies; - } - - if ((ret == AP_TX_CONTINUE || - ret == AP_TX_CONTINUE_NOT_AUTHORIZED) && - sta->crypt && tx->host_encrypt) { - tx->crypt = sta->crypt; - tx->sta_ptr = sta; /* hostap_handle_sta_release() will - * be called to release sta info - * later */ - } else - atomic_dec(&sta->users); - } - - return ret; -} - - -void hostap_handle_sta_release(void *ptr) -{ - struct sta_info *sta = ptr; - atomic_dec(&sta->users); -} - - -/* Called only as a tasklet (software IRQ) */ -void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb) -{ - struct sta_info *sta; - struct ieee80211_hdr *hdr; - struct hostap_skb_tx_data *meta; - - hdr = (struct ieee80211_hdr *) skb->data; - meta = (struct hostap_skb_tx_data *) skb->cb; - - spin_lock(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr1); - if (!sta) { - spin_unlock(&local->ap->sta_table_lock); - PDEBUG(DEBUG_AP, "%s: Could not find STA %pM" - " for this TX error (@%lu)\n", - local->dev->name, hdr->addr1, jiffies); - return; - } - - sta->tx_since_last_failure = 0; - sta->tx_consecutive_exc++; - - if (sta->tx_consecutive_exc >= WLAN_RATE_DECREASE_THRESHOLD && - sta->tx_rate_idx > 0 && meta->rate <= sta->tx_rate) { - /* use next lower rate */ - int old, rate; - old = rate = sta->tx_rate_idx; - while (rate > 0) { - rate--; - if (ap_tx_rate_ok(rate, sta, local)) { - sta->tx_rate_idx = rate; - break; - } - } - if (old != sta->tx_rate_idx) { - switch (sta->tx_rate_idx) { - case 0: sta->tx_rate = 10; break; - case 1: sta->tx_rate = 20; break; - case 2: sta->tx_rate = 55; break; - case 3: sta->tx_rate = 110; break; - default: sta->tx_rate = 0; break; - } - PDEBUG(DEBUG_AP, - "%s: STA %pM TX rate lowered to %d\n", - local->dev->name, sta->addr, sta->tx_rate); - } - sta->tx_consecutive_exc = 0; - } - spin_unlock(&local->ap->sta_table_lock); -} - - -static void hostap_update_sta_ps2(local_info_t *local, struct sta_info *sta, - int pwrmgt, int type, int stype) -{ - if (pwrmgt && !(sta->flags & WLAN_STA_PS)) { - sta->flags |= WLAN_STA_PS; - PDEBUG(DEBUG_PS2, "STA %pM changed to use PS " - "mode (type=0x%02X, stype=0x%02X)\n", - sta->addr, type >> 2, stype >> 4); - } else if (!pwrmgt && (sta->flags & WLAN_STA_PS)) { - sta->flags &= ~WLAN_STA_PS; - PDEBUG(DEBUG_PS2, "STA %pM changed to not use " - "PS mode (type=0x%02X, stype=0x%02X)\n", - sta->addr, type >> 2, stype >> 4); - if (type != IEEE80211_FTYPE_CTL || - stype != IEEE80211_STYPE_PSPOLL) - schedule_packet_send(local, sta); - } -} - - -/* Called only as a tasklet (software IRQ). Called for each RX frame to update - * STA power saving state. pwrmgt is a flag from 802.11 frame_control field. */ -int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr) -{ - struct sta_info *sta; - u16 fc; - - spin_lock(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta) - atomic_inc(&sta->users); - spin_unlock(&local->ap->sta_table_lock); - - if (!sta) - return -1; - - fc = le16_to_cpu(hdr->frame_control); - hostap_update_sta_ps2(local, sta, fc & IEEE80211_FCTL_PM, - fc & IEEE80211_FCTL_FTYPE, - fc & IEEE80211_FCTL_STYPE); - - atomic_dec(&sta->users); - return 0; -} - - -/* Called only as a tasklet (software IRQ). Called for each RX frame after - * getting RX header and payload from hardware. */ -ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, - struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats, - int wds) -{ - int ret; - struct sta_info *sta; - u16 fc, type, stype; - struct ieee80211_hdr *hdr; - - if (local->ap == NULL) - return AP_RX_CONTINUE; - - hdr = (struct ieee80211_hdr *) skb->data; - - fc = le16_to_cpu(hdr->frame_control); - type = fc & IEEE80211_FCTL_FTYPE; - stype = fc & IEEE80211_FCTL_STYPE; - - spin_lock(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta) - atomic_inc(&sta->users); - spin_unlock(&local->ap->sta_table_lock); - - if (sta && !(sta->flags & WLAN_STA_AUTHORIZED)) - ret = AP_RX_CONTINUE_NOT_AUTHORIZED; - else - ret = AP_RX_CONTINUE; - - - if (fc & IEEE80211_FCTL_TODS) { - if (!wds && (sta == NULL || !(sta->flags & WLAN_STA_ASSOC))) { - if (local->hostapd) { - prism2_rx_80211(local->apdev, skb, rx_stats, - PRISM2_RX_NON_ASSOC); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - } else { - printk(KERN_DEBUG "%s: dropped received packet" - " from non-associated STA %pM" - " (type=0x%02x, subtype=0x%02x)\n", - dev->name, hdr->addr2, - type >> 2, stype >> 4); - hostap_rx(dev, skb, rx_stats); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - } - ret = AP_RX_EXIT; - goto out; - } - } else if (fc & IEEE80211_FCTL_FROMDS) { - if (!wds) { - /* FromDS frame - not for us; probably - * broadcast/multicast in another BSS - drop */ - if (ether_addr_equal(hdr->addr1, dev->dev_addr)) { - printk(KERN_DEBUG "Odd.. FromDS packet " - "received with own BSSID\n"); - hostap_dump_rx_80211(dev->name, skb, rx_stats); - } - ret = AP_RX_DROP; - goto out; - } - } else if (stype == IEEE80211_STYPE_NULLFUNC && sta == NULL && - ether_addr_equal(hdr->addr1, dev->dev_addr)) { - - if (local->hostapd) { - prism2_rx_80211(local->apdev, skb, rx_stats, - PRISM2_RX_NON_ASSOC); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - } else { - /* At least Lucent f/w seems to send data::nullfunc - * frames with no ToDS flag when the current AP returns - * after being unavailable for some time. Speed up - * re-association by informing the station about it not - * being associated. */ - printk(KERN_DEBUG "%s: rejected received nullfunc frame" - " without ToDS from not associated STA %pM\n", - dev->name, hdr->addr2); - hostap_rx(dev, skb, rx_stats); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - } - ret = AP_RX_EXIT; - goto out; - } else if (stype == IEEE80211_STYPE_NULLFUNC) { - /* At least Lucent cards seem to send periodic nullfunc - * frames with ToDS. Let these through to update SQ - * stats and PS state. Nullfunc frames do not contain - * any data and they will be dropped below. */ - } else { - /* If BSSID (Addr3) is foreign, this frame is a normal - * broadcast frame from an IBSS network. Drop it silently. - * If BSSID is own, report the dropping of this frame. */ - if (ether_addr_equal(hdr->addr3, dev->dev_addr)) { - printk(KERN_DEBUG "%s: dropped received packet from %pM" - " with no ToDS flag " - "(type=0x%02x, subtype=0x%02x)\n", dev->name, - hdr->addr2, type >> 2, stype >> 4); - hostap_dump_rx_80211(dev->name, skb, rx_stats); - } - ret = AP_RX_DROP; - goto out; - } - - if (sta) { - hostap_update_sta_ps2(local, sta, fc & IEEE80211_FCTL_PM, - type, stype); - - sta->rx_packets++; - sta->rx_bytes += skb->len; - sta->last_rx = jiffies; - } - - if (local->ap->nullfunc_ack && stype == IEEE80211_STYPE_NULLFUNC && - fc & IEEE80211_FCTL_TODS) { - if (local->hostapd) { - prism2_rx_80211(local->apdev, skb, rx_stats, - PRISM2_RX_NULLFUNC_ACK); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - } else { - /* some STA f/w's seem to require control::ACK frame - * for data::nullfunc, but Prism2 f/w 0.8.0 (at least - * from Compaq) does not send this.. Try to generate - * ACK for these frames from the host driver to make - * power saving work with, e.g., Lucent WaveLAN f/w */ - hostap_rx(dev, skb, rx_stats); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - } - ret = AP_RX_EXIT; - goto out; - } - - out: - if (sta) - atomic_dec(&sta->users); - - return ret; -} - - -/* Called only as a tasklet (software IRQ) */ -int hostap_handle_sta_crypto(local_info_t *local, - struct ieee80211_hdr *hdr, - struct lib80211_crypt_data **crypt, - void **sta_ptr) -{ - struct sta_info *sta; - - spin_lock(&local->ap->sta_table_lock); - sta = ap_get_sta(local->ap, hdr->addr2); - if (sta) - atomic_inc(&sta->users); - spin_unlock(&local->ap->sta_table_lock); - - if (!sta) - return -1; - - if (sta->crypt) { - *crypt = sta->crypt; - *sta_ptr = sta; - /* hostap_handle_sta_release() will be called to release STA - * info */ - } else - atomic_dec(&sta->users); - - return 0; -} - - -/* Called only as a tasklet (software IRQ) */ -int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr) -{ - struct sta_info *sta; - int ret = 0; - - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, sta_addr); - if (sta != NULL && (sta->flags & WLAN_STA_ASSOC) && !sta->ap) - ret = 1; - spin_unlock(&ap->sta_table_lock); - - return ret; -} - - -/* Called only as a tasklet (software IRQ) */ -int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr) -{ - struct sta_info *sta; - int ret = 0; - - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, sta_addr); - if (sta != NULL && (sta->flags & WLAN_STA_ASSOC) && !sta->ap && - ((sta->flags & WLAN_STA_AUTHORIZED) || - ap->local->ieee_802_1x == 0)) - ret = 1; - spin_unlock(&ap->sta_table_lock); - - return ret; -} - - -/* Called only as a tasklet (software IRQ) */ -int hostap_add_sta(struct ap_data *ap, u8 *sta_addr) -{ - struct sta_info *sta; - int ret = 1; - - if (!ap) - return -1; - - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, sta_addr); - if (sta) - ret = 0; - spin_unlock(&ap->sta_table_lock); - - if (ret == 1) { - sta = ap_add_sta(ap, sta_addr); - if (!sta) - return -1; - sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; - sta->ap = 1; - memset(sta->supported_rates, 0, sizeof(sta->supported_rates)); - /* No way of knowing which rates are supported since we did not - * get supported rates element from beacon/assoc req. Assume - * that remote end supports all 802.11b rates. */ - sta->supported_rates[0] = 0x82; - sta->supported_rates[1] = 0x84; - sta->supported_rates[2] = 0x0b; - sta->supported_rates[3] = 0x16; - sta->tx_supp_rates = WLAN_RATE_1M | WLAN_RATE_2M | - WLAN_RATE_5M5 | WLAN_RATE_11M; - sta->tx_rate = 110; - sta->tx_max_rate = sta->tx_rate_idx = 3; - } - - return ret; -} - - -/* Called only as a tasklet (software IRQ) */ -int hostap_update_rx_stats(struct ap_data *ap, - struct ieee80211_hdr *hdr, - struct hostap_80211_rx_status *rx_stats) -{ - struct sta_info *sta; - - if (!ap) - return -1; - - spin_lock(&ap->sta_table_lock); - sta = ap_get_sta(ap, hdr->addr2); - if (sta) { - sta->last_rx_silence = rx_stats->noise; - sta->last_rx_signal = rx_stats->signal; - sta->last_rx_rate = rx_stats->rate; - sta->last_rx_updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; - if (rx_stats->rate == 10) - sta->rx_count[0]++; - else if (rx_stats->rate == 20) - sta->rx_count[1]++; - else if (rx_stats->rate == 55) - sta->rx_count[2]++; - else if (rx_stats->rate == 110) - sta->rx_count[3]++; - } - spin_unlock(&ap->sta_table_lock); - - return sta ? 0 : -1; -} - - -void hostap_update_rates(local_info_t *local) -{ - struct sta_info *sta; - struct ap_data *ap = local->ap; - - if (!ap) - return; - - spin_lock_bh(&ap->sta_table_lock); - list_for_each_entry(sta, &ap->sta_list, list) { - prism2_check_tx_rates(sta); - } - spin_unlock_bh(&ap->sta_table_lock); -} - - -void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, - struct lib80211_crypt_data ***crypt) -{ - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - sta = ap_get_sta(ap, addr); - if (sta) - atomic_inc(&sta->users); - spin_unlock_bh(&ap->sta_table_lock); - - if (!sta && permanent) - sta = ap_add_sta(ap, addr); - - if (!sta) - return NULL; - - if (permanent) - sta->flags |= WLAN_STA_PERM; - - *crypt = &sta->crypt; - - return sta; -} - - -void hostap_add_wds_links(local_info_t *local) -{ - struct ap_data *ap = local->ap; - struct sta_info *sta; - - spin_lock_bh(&ap->sta_table_lock); - list_for_each_entry(sta, &ap->sta_list, list) { - if (sta->ap) - hostap_wds_link_oper(local, sta->addr, WDS_ADD); - } - spin_unlock_bh(&ap->sta_table_lock); - - schedule_work(&local->ap->wds_oper_queue); -} - - -void hostap_wds_link_oper(local_info_t *local, u8 *addr, wds_oper_type type) -{ - struct wds_oper_data *entry; - - entry = kmalloc(sizeof(*entry), GFP_ATOMIC); - if (!entry) - return; - memcpy(entry->addr, addr, ETH_ALEN); - entry->type = type; - spin_lock_bh(&local->lock); - entry->next = local->ap->wds_oper_entries; - local->ap->wds_oper_entries = entry; - spin_unlock_bh(&local->lock); - - schedule_work(&local->ap->wds_oper_queue); -} - - -EXPORT_SYMBOL(hostap_init_data); -EXPORT_SYMBOL(hostap_init_ap_proc); -EXPORT_SYMBOL(hostap_free_data); -EXPORT_SYMBOL(hostap_check_sta_fw_version); -EXPORT_SYMBOL(hostap_handle_sta_tx_exc); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ diff --git a/drivers/net/wireless/hostap/hostap_ap.h b/drivers/net/wireless/hostap/hostap_ap.h deleted file mode 100644 index 334e2d0b8e11..000000000000 --- a/drivers/net/wireless/hostap/hostap_ap.h +++ /dev/null @@ -1,263 +0,0 @@ -#ifndef HOSTAP_AP_H -#define HOSTAP_AP_H - -#include "hostap_80211.h" - -/* AP data structures for STAs */ - -/* maximum number of frames to buffer per STA */ -#define STA_MAX_TX_BUFFER 32 - -/* STA flags */ -#define WLAN_STA_AUTH BIT(0) -#define WLAN_STA_ASSOC BIT(1) -#define WLAN_STA_PS BIT(2) -#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */ -#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */ -#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is - * controlling whether STA is authorized to - * send and receive non-IEEE 802.1X frames - */ -#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ - -#define WLAN_RATE_1M BIT(0) -#define WLAN_RATE_2M BIT(1) -#define WLAN_RATE_5M5 BIT(2) -#define WLAN_RATE_11M BIT(3) -#define WLAN_RATE_COUNT 4 - -/* Maximum size of Supported Rates info element. IEEE 802.11 has a limit of 8, - * but some pre-standard IEEE 802.11g products use longer elements. */ -#define WLAN_SUPP_RATES_MAX 32 - -/* Try to increase TX rate after # successfully sent consecutive packets */ -#define WLAN_RATE_UPDATE_COUNT 50 - -/* Decrease TX rate after # consecutive dropped packets */ -#define WLAN_RATE_DECREASE_THRESHOLD 2 - -struct sta_info { - struct list_head list; - struct sta_info *hnext; /* next entry in hash table list */ - atomic_t users; /* number of users (do not remove if > 0) */ - struct proc_dir_entry *proc; - - u8 addr[6]; - u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ - u32 flags; - u16 capability; - u16 listen_interval; /* or beacon_int for APs */ - u8 supported_rates[WLAN_SUPP_RATES_MAX]; - - unsigned long last_auth; - unsigned long last_assoc; - unsigned long last_rx; - unsigned long last_tx; - unsigned long rx_packets, tx_packets; - unsigned long rx_bytes, tx_bytes; - struct sk_buff_head tx_buf; - /* FIX: timeout buffers with an expiry time somehow derived from - * listen_interval */ - - s8 last_rx_silence; /* Noise in dBm */ - s8 last_rx_signal; /* Signal strength in dBm */ - u8 last_rx_rate; /* TX rate in 0.1 Mbps */ - u8 last_rx_updated; /* IWSPY's struct iw_quality::updated */ - - u8 tx_supp_rates; /* bit field of supported TX rates */ - u8 tx_rate; /* current TX rate (in 0.1 Mbps) */ - u8 tx_rate_idx; /* current TX rate (WLAN_RATE_*) */ - u8 tx_max_rate; /* max TX rate (WLAN_RATE_*) */ - u32 tx_count[WLAN_RATE_COUNT]; /* number of frames sent (per rate) */ - u32 rx_count[WLAN_RATE_COUNT]; /* number of frames received (per rate) - */ - u32 tx_since_last_failure; - u32 tx_consecutive_exc; - - struct lib80211_crypt_data *crypt; - - int ap; /* whether this station is an AP */ - - local_info_t *local; - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - union { - struct { - char *challenge; /* shared key authentication - * challenge */ - } sta; - struct { - int ssid_len; - unsigned char ssid[MAX_SSID_LEN + 1]; /* AP's ssid */ - int channel; - unsigned long last_beacon; /* last RX beacon time */ - } ap; - } u; - - struct timer_list timer; - enum { STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH } timeout_next; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ -}; - - -#define MAX_STA_COUNT 1024 - -/* Maximum number of AIDs to use for STAs; must be 2007 or lower - * (8802.11 limitation) */ -#define MAX_AID_TABLE_SIZE 128 - -#define STA_HASH_SIZE 256 -#define STA_HASH(sta) (sta[5]) - - -/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY_SEC - * has passed since last received frame from the station, a nullfunc data - * frame is sent to the station. If this frame is not acknowledged and no other - * frames have been received, the station will be disassociated after - * AP_DISASSOC_DELAY. Similarly, a the station will be deauthenticated after - * AP_DEAUTH_DELAY. AP_TIMEOUT_RESOLUTION is the resolution that is used with - * max inactivity timer. */ -#define AP_MAX_INACTIVITY_SEC (5 * 60) -#define AP_DISASSOC_DELAY (HZ) -#define AP_DEAUTH_DELAY (HZ) - -/* ap_policy: whether to accept frames to/from other APs/IBSS */ -typedef enum { - AP_OTHER_AP_SKIP_ALL = 0, - AP_OTHER_AP_SAME_SSID = 1, - AP_OTHER_AP_ALL = 2, - AP_OTHER_AP_EVEN_IBSS = 3 -} ap_policy_enum; - -#define PRISM2_AUTH_OPEN BIT(0) -#define PRISM2_AUTH_SHARED_KEY BIT(1) - - -/* MAC address-based restrictions */ -struct mac_entry { - struct list_head list; - u8 addr[6]; -}; - -struct mac_restrictions { - enum { MAC_POLICY_OPEN = 0, MAC_POLICY_ALLOW, MAC_POLICY_DENY } policy; - unsigned int entries; - struct list_head mac_list; - spinlock_t lock; -}; - - -struct add_sta_proc_data { - u8 addr[ETH_ALEN]; - struct add_sta_proc_data *next; -}; - - -typedef enum { WDS_ADD, WDS_DEL } wds_oper_type; -struct wds_oper_data { - wds_oper_type type; - u8 addr[ETH_ALEN]; - struct wds_oper_data *next; -}; - - -struct ap_data { - int initialized; /* whether ap_data has been initialized */ - local_info_t *local; - int bridge_packets; /* send packet to associated STAs directly to the - * wireless media instead of higher layers in the - * kernel */ - unsigned int bridged_unicast; /* number of unicast frames bridged on - * wireless media */ - unsigned int bridged_multicast; /* number of non-unicast frames - * bridged on wireless media */ - unsigned int tx_drop_nonassoc; /* number of unicast TX packets dropped - * because they were to an address that - * was not associated */ - int nullfunc_ack; /* use workaround for nullfunc frame ACKs */ - - spinlock_t sta_table_lock; - int num_sta; /* number of entries in sta_list */ - struct list_head sta_list; /* STA info list head */ - struct sta_info *sta_hash[STA_HASH_SIZE]; - - struct proc_dir_entry *proc; - - ap_policy_enum ap_policy; - unsigned int max_inactivity; - int autom_ap_wds; - - struct mac_restrictions mac_restrictions; /* MAC-based auth */ - int last_tx_rate; - - struct work_struct add_sta_proc_queue; - struct add_sta_proc_data *add_sta_proc_entries; - - struct work_struct wds_oper_queue; - struct wds_oper_data *wds_oper_entries; - - u16 tx_callback_idx; - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - /* pointers to STA info; based on allocated AID or NULL if AID free - * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1 - * and so on - */ - struct sta_info *sta_aid[MAX_AID_TABLE_SIZE]; - - u16 tx_callback_auth, tx_callback_assoc, tx_callback_poll; - - /* WEP operations for generating challenges to be used with shared key - * authentication */ - struct lib80211_crypto_ops *crypt; - void *crypt_priv; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ -}; - - -void hostap_rx(struct net_device *dev, struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats); -void hostap_init_data(local_info_t *local); -void hostap_init_ap_proc(local_info_t *local); -void hostap_free_data(struct ap_data *ap); -void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver); - -typedef enum { - AP_TX_CONTINUE, AP_TX_DROP, AP_TX_RETRY, AP_TX_BUFFERED, - AP_TX_CONTINUE_NOT_AUTHORIZED -} ap_tx_ret; -struct hostap_tx_data { - struct sk_buff *skb; - int host_encrypt; - struct lib80211_crypt_data *crypt; - void *sta_ptr; -}; -ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx); -void hostap_handle_sta_release(void *ptr); -void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb); -int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr); -typedef enum { - AP_RX_CONTINUE, AP_RX_DROP, AP_RX_EXIT, AP_RX_CONTINUE_NOT_AUTHORIZED -} ap_rx_ret; -ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, - struct sk_buff *skb, - struct hostap_80211_rx_status *rx_stats, - int wds); -int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr *hdr, - struct lib80211_crypt_data **crypt, - void **sta_ptr); -int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr); -int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr); -int hostap_add_sta(struct ap_data *ap, u8 *sta_addr); -int hostap_update_rx_stats(struct ap_data *ap, struct ieee80211_hdr *hdr, - struct hostap_80211_rx_status *rx_stats); -void hostap_update_rates(local_info_t *local); -void hostap_add_wds_links(local_info_t *local); -void hostap_wds_link_oper(local_info_t *local, u8 *addr, wds_oper_type type); - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap, - int resend); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - -#endif /* HOSTAP_AP_H */ diff --git a/drivers/net/wireless/hostap/hostap_common.h b/drivers/net/wireless/hostap/hostap_common.h deleted file mode 100644 index 4230102ac9e4..000000000000 --- a/drivers/net/wireless/hostap/hostap_common.h +++ /dev/null @@ -1,419 +0,0 @@ -#ifndef HOSTAP_COMMON_H -#define HOSTAP_COMMON_H - -#include -#include - -/* IEEE 802.11 defines */ - -/* HFA384X Configuration RIDs */ -#define HFA384X_RID_CNFPORTTYPE 0xFC00 -#define HFA384X_RID_CNFOWNMACADDR 0xFC01 -#define HFA384X_RID_CNFDESIREDSSID 0xFC02 -#define HFA384X_RID_CNFOWNCHANNEL 0xFC03 -#define HFA384X_RID_CNFOWNSSID 0xFC04 -#define HFA384X_RID_CNFOWNATIMWINDOW 0xFC05 -#define HFA384X_RID_CNFSYSTEMSCALE 0xFC06 -#define HFA384X_RID_CNFMAXDATALEN 0xFC07 -#define HFA384X_RID_CNFWDSADDRESS 0xFC08 -#define HFA384X_RID_CNFPMENABLED 0xFC09 -#define HFA384X_RID_CNFPMEPS 0xFC0A -#define HFA384X_RID_CNFMULTICASTRECEIVE 0xFC0B -#define HFA384X_RID_CNFMAXSLEEPDURATION 0xFC0C -#define HFA384X_RID_CNFPMHOLDOVERDURATION 0xFC0D -#define HFA384X_RID_CNFOWNNAME 0xFC0E -#define HFA384X_RID_CNFOWNDTIMPERIOD 0xFC10 -#define HFA384X_RID_CNFWDSADDRESS1 0xFC11 /* AP f/w only */ -#define HFA384X_RID_CNFWDSADDRESS2 0xFC12 /* AP f/w only */ -#define HFA384X_RID_CNFWDSADDRESS3 0xFC13 /* AP f/w only */ -#define HFA384X_RID_CNFWDSADDRESS4 0xFC14 /* AP f/w only */ -#define HFA384X_RID_CNFWDSADDRESS5 0xFC15 /* AP f/w only */ -#define HFA384X_RID_CNFWDSADDRESS6 0xFC16 /* AP f/w only */ -#define HFA384X_RID_CNFMULTICASTPMBUFFERING 0xFC17 /* AP f/w only */ -#define HFA384X_RID_UNKNOWN1 0xFC20 -#define HFA384X_RID_UNKNOWN2 0xFC21 -#define HFA384X_RID_CNFWEPDEFAULTKEYID 0xFC23 -#define HFA384X_RID_CNFDEFAULTKEY0 0xFC24 -#define HFA384X_RID_CNFDEFAULTKEY1 0xFC25 -#define HFA384X_RID_CNFDEFAULTKEY2 0xFC26 -#define HFA384X_RID_CNFDEFAULTKEY3 0xFC27 -#define HFA384X_RID_CNFWEPFLAGS 0xFC28 -#define HFA384X_RID_CNFWEPKEYMAPPINGTABLE 0xFC29 -#define HFA384X_RID_CNFAUTHENTICATION 0xFC2A -#define HFA384X_RID_CNFMAXASSOCSTA 0xFC2B /* AP f/w only */ -#define HFA384X_RID_CNFTXCONTROL 0xFC2C -#define HFA384X_RID_CNFROAMINGMODE 0xFC2D -#define HFA384X_RID_CNFHOSTAUTHENTICATION 0xFC2E /* AP f/w only */ -#define HFA384X_RID_CNFRCVCRCERROR 0xFC30 -#define HFA384X_RID_CNFMMLIFE 0xFC31 -#define HFA384X_RID_CNFALTRETRYCOUNT 0xFC32 -#define HFA384X_RID_CNFBEACONINT 0xFC33 -#define HFA384X_RID_CNFAPPCFINFO 0xFC34 /* AP f/w only */ -#define HFA384X_RID_CNFSTAPCFINFO 0xFC35 -#define HFA384X_RID_CNFPRIORITYQUSAGE 0xFC37 -#define HFA384X_RID_CNFTIMCTRL 0xFC40 -#define HFA384X_RID_UNKNOWN3 0xFC41 /* added in STA f/w 0.7.x */ -#define HFA384X_RID_CNFTHIRTY2TALLY 0xFC42 /* added in STA f/w 0.8.0 */ -#define HFA384X_RID_CNFENHSECURITY 0xFC43 /* AP f/w or STA f/w >= 1.6.3 */ -#define HFA384X_RID_CNFDBMADJUST 0xFC46 /* added in STA f/w 1.3.1 */ -#define HFA384X_RID_GENERICELEMENT 0xFC48 /* added in STA f/w 1.7.0; - * write only */ -#define HFA384X_RID_PROPAGATIONDELAY 0xFC49 /* added in STA f/w 1.7.6 */ -#define HFA384X_RID_GROUPADDRESSES 0xFC80 -#define HFA384X_RID_CREATEIBSS 0xFC81 -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD 0xFC82 -#define HFA384X_RID_RTSTHRESHOLD 0xFC83 -#define HFA384X_RID_TXRATECONTROL 0xFC84 -#define HFA384X_RID_PROMISCUOUSMODE 0xFC85 -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD0 0xFC90 /* AP f/w only */ -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD1 0xFC91 /* AP f/w only */ -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD2 0xFC92 /* AP f/w only */ -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD3 0xFC93 /* AP f/w only */ -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD4 0xFC94 /* AP f/w only */ -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD5 0xFC95 /* AP f/w only */ -#define HFA384X_RID_FRAGMENTATIONTHRESHOLD6 0xFC96 /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD0 0xFC97 /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD1 0xFC98 /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD2 0xFC99 /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD3 0xFC9A /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD4 0xFC9B /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD5 0xFC9C /* AP f/w only */ -#define HFA384X_RID_RTSTHRESHOLD6 0xFC9D /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL0 0xFC9E /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL1 0xFC9F /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL2 0xFCA0 /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL3 0xFCA1 /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL4 0xFCA2 /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL5 0xFCA3 /* AP f/w only */ -#define HFA384X_RID_TXRATECONTROL6 0xFCA4 /* AP f/w only */ -#define HFA384X_RID_CNFSHORTPREAMBLE 0xFCB0 -#define HFA384X_RID_CNFEXCLUDELONGPREAMBLE 0xFCB1 -#define HFA384X_RID_CNFAUTHENTICATIONRSPTO 0xFCB2 -#define HFA384X_RID_CNFBASICRATES 0xFCB3 -#define HFA384X_RID_CNFSUPPORTEDRATES 0xFCB4 -#define HFA384X_RID_CNFFALLBACKCTRL 0xFCB5 /* added in STA f/w 1.3.1 */ -#define HFA384X_RID_WEPKEYDISABLE 0xFCB6 /* added in STA f/w 1.3.1 */ -#define HFA384X_RID_WEPKEYMAPINDEX 0xFCB7 /* ? */ -#define HFA384X_RID_BROADCASTKEYID 0xFCB8 /* ? */ -#define HFA384X_RID_ENTSECFLAGEYID 0xFCB9 /* ? */ -#define HFA384X_RID_CNFPASSIVESCANCTRL 0xFCBA /* added in STA f/w 1.5.0 */ -#define HFA384X_RID_SSNHANDLINGMODE 0xFCBB /* added in STA f/w 1.7.0 */ -#define HFA384X_RID_MDCCONTROL 0xFCBC /* added in STA f/w 1.7.0 */ -#define HFA384X_RID_MDCCOUNTRY 0xFCBD /* added in STA f/w 1.7.0 */ -#define HFA384X_RID_TXPOWERMAX 0xFCBE /* added in STA f/w 1.7.0 */ -#define HFA384X_RID_CNFLFOENABLED 0xFCBF /* added in STA f/w 1.6.3 */ -#define HFA384X_RID_CAPINFO 0xFCC0 /* added in STA f/w 1.7.0 */ -#define HFA384X_RID_LISTENINTERVAL 0xFCC1 /* added in STA f/w 1.7.0 */ -#define HFA384X_RID_SW_ANT_DIV 0xFCC2 /* added in STA f/w 1.7.0; Prism3 */ -#define HFA384X_RID_LED_CTRL 0xFCC4 /* added in STA f/w 1.7.6 */ -#define HFA384X_RID_HFODELAY 0xFCC5 /* added in STA f/w 1.7.6 */ -#define HFA384X_RID_DISALLOWEDBSSID 0xFCC6 /* added in STA f/w 1.8.0 */ -#define HFA384X_RID_TICKTIME 0xFCE0 -#define HFA384X_RID_SCANREQUEST 0xFCE1 -#define HFA384X_RID_JOINREQUEST 0xFCE2 -#define HFA384X_RID_AUTHENTICATESTATION 0xFCE3 /* AP f/w only */ -#define HFA384X_RID_CHANNELINFOREQUEST 0xFCE4 /* AP f/w only */ -#define HFA384X_RID_HOSTSCAN 0xFCE5 /* added in STA f/w 1.3.1 */ - -/* HFA384X Information RIDs */ -#define HFA384X_RID_MAXLOADTIME 0xFD00 -#define HFA384X_RID_DOWNLOADBUFFER 0xFD01 -#define HFA384X_RID_PRIID 0xFD02 -#define HFA384X_RID_PRISUPRANGE 0xFD03 -#define HFA384X_RID_CFIACTRANGES 0xFD04 -#define HFA384X_RID_NICSERNUM 0xFD0A -#define HFA384X_RID_NICID 0xFD0B -#define HFA384X_RID_MFISUPRANGE 0xFD0C -#define HFA384X_RID_CFISUPRANGE 0xFD0D -#define HFA384X_RID_CHANNELLIST 0xFD10 -#define HFA384X_RID_REGULATORYDOMAINS 0xFD11 -#define HFA384X_RID_TEMPTYPE 0xFD12 -#define HFA384X_RID_CIS 0xFD13 -#define HFA384X_RID_STAID 0xFD20 -#define HFA384X_RID_STASUPRANGE 0xFD21 -#define HFA384X_RID_MFIACTRANGES 0xFD22 -#define HFA384X_RID_CFIACTRANGES2 0xFD23 -#define HFA384X_RID_PRODUCTNAME 0xFD24 /* added in STA f/w 1.3.1; - * only Prism2.5(?) */ -#define HFA384X_RID_PORTSTATUS 0xFD40 -#define HFA384X_RID_CURRENTSSID 0xFD41 -#define HFA384X_RID_CURRENTBSSID 0xFD42 -#define HFA384X_RID_COMMSQUALITY 0xFD43 -#define HFA384X_RID_CURRENTTXRATE 0xFD44 -#define HFA384X_RID_CURRENTBEACONINTERVAL 0xFD45 -#define HFA384X_RID_CURRENTSCALETHRESHOLDS 0xFD46 -#define HFA384X_RID_PROTOCOLRSPTIME 0xFD47 -#define HFA384X_RID_SHORTRETRYLIMIT 0xFD48 -#define HFA384X_RID_LONGRETRYLIMIT 0xFD49 -#define HFA384X_RID_MAXTRANSMITLIFETIME 0xFD4A -#define HFA384X_RID_MAXRECEIVELIFETIME 0xFD4B -#define HFA384X_RID_CFPOLLABLE 0xFD4C -#define HFA384X_RID_AUTHENTICATIONALGORITHMS 0xFD4D -#define HFA384X_RID_PRIVACYOPTIONIMPLEMENTED 0xFD4F -#define HFA384X_RID_DBMCOMMSQUALITY 0xFD51 /* added in STA f/w 1.3.1 */ -#define HFA384X_RID_CURRENTTXRATE1 0xFD80 /* AP f/w only */ -#define HFA384X_RID_CURRENTTXRATE2 0xFD81 /* AP f/w only */ -#define HFA384X_RID_CURRENTTXRATE3 0xFD82 /* AP f/w only */ -#define HFA384X_RID_CURRENTTXRATE4 0xFD83 /* AP f/w only */ -#define HFA384X_RID_CURRENTTXRATE5 0xFD84 /* AP f/w only */ -#define HFA384X_RID_CURRENTTXRATE6 0xFD85 /* AP f/w only */ -#define HFA384X_RID_OWNMACADDR 0xFD86 /* AP f/w only */ -#define HFA384X_RID_SCANRESULTSTABLE 0xFD88 /* added in STA f/w 0.8.3 */ -#define HFA384X_RID_HOSTSCANRESULTS 0xFD89 /* added in STA f/w 1.3.1 */ -#define HFA384X_RID_AUTHENTICATIONUSED 0xFD8A /* added in STA f/w 1.3.4 */ -#define HFA384X_RID_CNFFAASWITCHCTRL 0xFD8B /* added in STA f/w 1.6.3 */ -#define HFA384X_RID_ASSOCIATIONFAILURE 0xFD8D /* added in STA f/w 1.8.0 */ -#define HFA384X_RID_PHYTYPE 0xFDC0 -#define HFA384X_RID_CURRENTCHANNEL 0xFDC1 -#define HFA384X_RID_CURRENTPOWERSTATE 0xFDC2 -#define HFA384X_RID_CCAMODE 0xFDC3 -#define HFA384X_RID_SUPPORTEDDATARATES 0xFDC6 -#define HFA384X_RID_LFO_VOLT_REG_TEST_RES 0xFDC7 /* added in STA f/w 1.7.1 */ -#define HFA384X_RID_BUILDSEQ 0xFFFE -#define HFA384X_RID_FWID 0xFFFF - - -struct hfa384x_comp_ident -{ - __le16 id; - __le16 variant; - __le16 major; - __le16 minor; -} __packed; - -#define HFA384X_COMP_ID_PRI 0x15 -#define HFA384X_COMP_ID_STA 0x1f -#define HFA384X_COMP_ID_FW_AP 0x14b - -struct hfa384x_sup_range -{ - __le16 role; - __le16 id; - __le16 variant; - __le16 bottom; - __le16 top; -} __packed; - - -struct hfa384x_build_id -{ - __le16 pri_seq; - __le16 sec_seq; -} __packed; - -/* FD01 - Download Buffer */ -struct hfa384x_rid_download_buffer -{ - __le16 page; - __le16 offset; - __le16 length; -} __packed; - -/* BSS connection quality (RID FD43 range, RID FD51 dBm-normalized) */ -struct hfa384x_comms_quality { - __le16 comm_qual; /* 0 .. 92 */ - __le16 signal_level; /* 27 .. 154 */ - __le16 noise_level; /* 27 .. 154 */ -} __packed; - - -/* netdevice private ioctls (used, e.g., with iwpriv from user space) */ - -/* New wireless extensions API - SET/GET convention (even ioctl numbers are - * root only) - */ -#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0) -#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1) -#define PRISM2_IOCTL_WRITEMIF (SIOCIWFIRSTPRIV + 2) -#define PRISM2_IOCTL_READMIF (SIOCIWFIRSTPRIV + 3) -#define PRISM2_IOCTL_MONITOR (SIOCIWFIRSTPRIV + 4) -#define PRISM2_IOCTL_RESET (SIOCIWFIRSTPRIV + 6) -#define PRISM2_IOCTL_INQUIRE (SIOCIWFIRSTPRIV + 8) -#define PRISM2_IOCTL_WDS_ADD (SIOCIWFIRSTPRIV + 10) -#define PRISM2_IOCTL_WDS_DEL (SIOCIWFIRSTPRIV + 12) -#define PRISM2_IOCTL_SET_RID_WORD (SIOCIWFIRSTPRIV + 14) -#define PRISM2_IOCTL_MACCMD (SIOCIWFIRSTPRIV + 16) -#define PRISM2_IOCTL_ADDMAC (SIOCIWFIRSTPRIV + 18) -#define PRISM2_IOCTL_DELMAC (SIOCIWFIRSTPRIV + 20) -#define PRISM2_IOCTL_KICKMAC (SIOCIWFIRSTPRIV + 22) - -/* following are not in SIOCGIWPRIV list; check permission in the driver code - */ -#define PRISM2_IOCTL_DOWNLOAD (SIOCDEVPRIVATE + 13) -#define PRISM2_IOCTL_HOSTAPD (SIOCDEVPRIVATE + 14) - - -/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */ -enum { - /* PRISM2_PARAM_PTYPE = 1, */ /* REMOVED 2003-10-22 */ - PRISM2_PARAM_TXRATECTRL = 2, - PRISM2_PARAM_BEACON_INT = 3, - PRISM2_PARAM_PSEUDO_IBSS = 4, - PRISM2_PARAM_ALC = 5, - /* PRISM2_PARAM_TXPOWER = 6, */ /* REMOVED 2003-10-22 */ - PRISM2_PARAM_DUMP = 7, - PRISM2_PARAM_OTHER_AP_POLICY = 8, - PRISM2_PARAM_AP_MAX_INACTIVITY = 9, - PRISM2_PARAM_AP_BRIDGE_PACKETS = 10, - PRISM2_PARAM_DTIM_PERIOD = 11, - PRISM2_PARAM_AP_NULLFUNC_ACK = 12, - PRISM2_PARAM_MAX_WDS = 13, - PRISM2_PARAM_AP_AUTOM_AP_WDS = 14, - PRISM2_PARAM_AP_AUTH_ALGS = 15, - PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16, - PRISM2_PARAM_HOST_ENCRYPT = 17, - PRISM2_PARAM_HOST_DECRYPT = 18, - /* PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19, REMOVED 2005-08-14 */ - /* PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20, REMOVED 2005-08-14 */ - PRISM2_PARAM_HOST_ROAMING = 21, - PRISM2_PARAM_BCRX_STA_KEY = 22, - PRISM2_PARAM_IEEE_802_1X = 23, - PRISM2_PARAM_ANTSEL_TX = 24, - PRISM2_PARAM_ANTSEL_RX = 25, - PRISM2_PARAM_MONITOR_TYPE = 26, - PRISM2_PARAM_WDS_TYPE = 27, - PRISM2_PARAM_HOSTSCAN = 28, - PRISM2_PARAM_AP_SCAN = 29, - PRISM2_PARAM_ENH_SEC = 30, - PRISM2_PARAM_IO_DEBUG = 31, - PRISM2_PARAM_BASIC_RATES = 32, - PRISM2_PARAM_OPER_RATES = 33, - PRISM2_PARAM_HOSTAPD = 34, - PRISM2_PARAM_HOSTAPD_STA = 35, - PRISM2_PARAM_WPA = 36, - PRISM2_PARAM_PRIVACY_INVOKED = 37, - PRISM2_PARAM_TKIP_COUNTERMEASURES = 38, - PRISM2_PARAM_DROP_UNENCRYPTED = 39, - PRISM2_PARAM_SCAN_CHANNEL_MASK = 40, -}; - -enum { HOSTAP_ANTSEL_DO_NOT_TOUCH = 0, HOSTAP_ANTSEL_DIVERSITY = 1, - HOSTAP_ANTSEL_LOW = 2, HOSTAP_ANTSEL_HIGH = 3 }; - - -/* PRISM2_IOCTL_MACCMD ioctl() subcommands: */ -enum { AP_MAC_CMD_POLICY_OPEN = 0, AP_MAC_CMD_POLICY_ALLOW = 1, - AP_MAC_CMD_POLICY_DENY = 2, AP_MAC_CMD_FLUSH = 3, - AP_MAC_CMD_KICKALL = 4 }; - - -/* PRISM2_IOCTL_DOWNLOAD ioctl() dl_cmd: */ -enum { - PRISM2_DOWNLOAD_VOLATILE = 1 /* RAM */, - /* Note! Old versions of prism2_srec have a fatal error in CRC-16 - * calculation, which will corrupt all non-volatile downloads. - * PRISM2_DOWNLOAD_NON_VOLATILE used to be 2, but it is now 3 to - * prevent use of old versions of prism2_srec for non-volatile - * download. */ - PRISM2_DOWNLOAD_NON_VOLATILE = 3 /* FLASH */, - PRISM2_DOWNLOAD_VOLATILE_GENESIS = 4 /* RAM in Genesis mode */, - /* Persistent versions of volatile download commands (keep firmware - * data in memory and automatically re-download after hw_reset */ - PRISM2_DOWNLOAD_VOLATILE_PERSISTENT = 5, - PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT = 6, -}; - -struct prism2_download_param { - u32 dl_cmd; - u32 start_addr; - u32 num_areas; - struct prism2_download_area { - u32 addr; /* wlan card address */ - u32 len; - void __user *ptr; /* pointer to data in user space */ - } data[0]; -}; - -#define PRISM2_MAX_DOWNLOAD_AREA_LEN 131072 -#define PRISM2_MAX_DOWNLOAD_LEN 262144 - - -/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */ -enum { - PRISM2_HOSTAPD_FLUSH = 1, - PRISM2_HOSTAPD_ADD_STA = 2, - PRISM2_HOSTAPD_REMOVE_STA = 3, - PRISM2_HOSTAPD_GET_INFO_STA = 4, - /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */ - PRISM2_SET_ENCRYPTION = 6, - PRISM2_GET_ENCRYPTION = 7, - PRISM2_HOSTAPD_SET_FLAGS_STA = 8, - PRISM2_HOSTAPD_GET_RID = 9, - PRISM2_HOSTAPD_SET_RID = 10, - PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11, - PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12, - PRISM2_HOSTAPD_MLME = 13, - PRISM2_HOSTAPD_SCAN_REQ = 14, - PRISM2_HOSTAPD_STA_CLEAR_STATS = 15, -}; - -#define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024 -#define PRISM2_HOSTAPD_RID_HDR_LEN \ -offsetof(struct prism2_hostapd_param, u.rid.data) -#define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \ -offsetof(struct prism2_hostapd_param, u.generic_elem.data) - -/* Maximum length for algorithm names (-1 for nul termination) used in ioctl() - */ -#define HOSTAP_CRYPT_ALG_NAME_LEN 16 - - -struct prism2_hostapd_param { - u32 cmd; - u8 sta_addr[ETH_ALEN]; - union { - struct { - u16 aid; - u16 capability; - u8 tx_supp_rates; - } add_sta; - struct { - u32 inactive_sec; - } get_info_sta; - struct { - u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN]; - u32 flags; - u32 err; - u8 idx; - u8 seq[8]; /* sequence counter (set: RX, get: TX) */ - u16 key_len; - u8 key[0]; - } crypt; - struct { - u32 flags_and; - u32 flags_or; - } set_flags_sta; - struct { - u16 rid; - u16 len; - u8 data[0]; - } rid; - struct { - u8 len; - u8 data[0]; - } generic_elem; - struct { -#define MLME_STA_DEAUTH 0 -#define MLME_STA_DISASSOC 1 - u16 cmd; - u16 reason_code; - } mlme; - struct { - u8 ssid_len; - u8 ssid[32]; - } scan_req; - } u; -}; - -#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0) -#define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1) - -#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2 -#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3 -#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4 -#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5 -#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6 -#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7 - - -#endif /* HOSTAP_COMMON_H */ diff --git a/drivers/net/wireless/hostap/hostap_config.h b/drivers/net/wireless/hostap/hostap_config.h deleted file mode 100644 index 2c8f71f0ed45..000000000000 --- a/drivers/net/wireless/hostap/hostap_config.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef HOSTAP_CONFIG_H -#define HOSTAP_CONFIG_H - -/* In the previous versions of Host AP driver, support for user space version - * of IEEE 802.11 management (hostapd) used to be disabled in the default - * configuration. From now on, support for hostapd is always included and it is - * possible to disable kernel driver version of IEEE 802.11 management with a - * separate define, PRISM2_NO_KERNEL_IEEE80211_MGMT. */ -/* #define PRISM2_NO_KERNEL_IEEE80211_MGMT */ - -/* Maximum number of events handler per one interrupt */ -#define PRISM2_MAX_INTERRUPT_EVENTS 20 - -/* Include code for downloading firmware images into volatile RAM. */ -#define PRISM2_DOWNLOAD_SUPPORT - -/* Allow kernel configuration to enable download support. */ -#if !defined(PRISM2_DOWNLOAD_SUPPORT) && defined(CONFIG_HOSTAP_FIRMWARE) -#define PRISM2_DOWNLOAD_SUPPORT -#endif - -/* Allow kernel configuration to enable non-volatile download support. */ -#ifdef CONFIG_HOSTAP_FIRMWARE_NVRAM -#define PRISM2_NON_VOLATILE_DOWNLOAD -#endif - -/* Save low-level I/O for debugging. This should not be enabled in normal use. - */ -/* #define PRISM2_IO_DEBUG */ - -/* Following defines can be used to remove unneeded parts of the driver, e.g., - * to limit the size of the kernel module. Definitions can be added here in - * hostap_config.h or they can be added to make command with ccflags-y, - * e.g., - * 'make pccard ccflags-y="-DPRISM2_NO_DEBUG -DPRISM2_NO_PROCFS_DEBUG"' - */ - -/* Do not include debug messages into the driver */ -/* #define PRISM2_NO_DEBUG */ - -/* Do not include /proc/net/prism2/wlan#/{registers,debug} */ -/* #define PRISM2_NO_PROCFS_DEBUG */ - -/* Do not include station functionality (i.e., allow only Master (Host AP) mode - */ -/* #define PRISM2_NO_STATION_MODES */ - -#endif /* HOSTAP_CONFIG_H */ diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c deleted file mode 100644 index 50033aa7c7d5..000000000000 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ /dev/null @@ -1,708 +0,0 @@ -#define PRISM2_PCCARD - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -#include "hostap_wlan.h" - - -static char *dev_info = "hostap_cs"; - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN " - "cards (PC Card)."); -MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)"); -MODULE_LICENSE("GPL"); - - -static int ignore_cis_vcc; -module_param(ignore_cis_vcc, int, 0444); -MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry"); - - -/* struct local_info::hw_priv */ -struct hostap_cs_priv { - struct pcmcia_device *link; - int sandisk_connectplus; -}; - - -#ifdef PRISM2_IO_DEBUG - -static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); - outb(v, dev->base_addr + a); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - u8 v; - - iface = netdev_priv(dev); - local = iface->local; - spin_lock_irqsave(&local->lock, flags); - v = inb(dev->base_addr + a); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); - spin_unlock_irqrestore(&local->lock, flags); - return v; -} - -static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); - outw(v, dev->base_addr + a); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - u16 v; - - iface = netdev_priv(dev); - local = iface->local; - spin_lock_irqsave(&local->lock, flags); - v = inw(dev->base_addr + a); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); - spin_unlock_irqrestore(&local->lock, flags); - return v; -} - -static inline void hfa384x_outsw_debug(struct net_device *dev, int a, - u8 *buf, int wc) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc); - outsw(dev->base_addr + a, buf, wc); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline void hfa384x_insw_debug(struct net_device *dev, int a, - u8 *buf, int wc) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc); - insw(dev->base_addr + a, buf, wc); - spin_unlock_irqrestore(&local->lock, flags); -} - -#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) -#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) -#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) -#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) -#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc)) -#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc)) - -#else /* PRISM2_IO_DEBUG */ - -#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a)) -#define HFA384X_INB(a) inb(dev->base_addr + (a)) -#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a)) -#define HFA384X_INW(a) inw(dev->base_addr + (a)) -#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc) -#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc) - -#endif /* PRISM2_IO_DEBUG */ - - -static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, - int len) -{ - u16 d_off; - u16 *pos; - - d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; - pos = (u16 *) buf; - - if (len / 2) - HFA384X_INSW(d_off, buf, len / 2); - pos += len / 2; - - if (len & 1) - *((char *) pos) = HFA384X_INB(d_off); - - return 0; -} - - -static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) -{ - u16 d_off; - u16 *pos; - - d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; - pos = (u16 *) buf; - - if (len / 2) - HFA384X_OUTSW(d_off, buf, len / 2); - pos += len / 2; - - if (len & 1) - HFA384X_OUTB(*((char *) pos), d_off); - - return 0; -} - - -/* FIX: This might change at some point.. */ -#include "hostap_hw.c" - - - -static void prism2_detach(struct pcmcia_device *p_dev); -static void prism2_release(u_long arg); -static int prism2_config(struct pcmcia_device *link); - - -static int prism2_pccard_card_present(local_info_t *local) -{ - struct hostap_cs_priv *hw_priv = local->hw_priv; - if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link)) - return 1; - return 0; -} - - -/* - * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0 - * Document No. 20-10-00058, January 2004 - * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf - */ -#define SANDISK_WLAN_ACTIVATION_OFF 0x40 -#define SANDISK_HCR_OFF 0x42 - - -static void sandisk_set_iobase(local_info_t *local) -{ - int res; - struct hostap_cs_priv *hw_priv = local->hw_priv; - - res = pcmcia_write_config_byte(hw_priv->link, 0x10, - hw_priv->link->resource[0]->start & 0x00ff); - if (res != 0) { - printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -" - " res=%d\n", res); - } - udelay(10); - - res = pcmcia_write_config_byte(hw_priv->link, 0x12, - (hw_priv->link->resource[0]->start >> 8) & 0x00ff); - if (res != 0) { - printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -" - " res=%d\n", res); - } -} - - -static void sandisk_write_hcr(local_info_t *local, int hcr) -{ - struct net_device *dev = local->dev; - int i; - - HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF); - udelay(50); - for (i = 0; i < 10; i++) { - HFA384X_OUTB(hcr, SANDISK_HCR_OFF); - } - udelay(55); - HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF); -} - - -static int sandisk_enable_wireless(struct net_device *dev) -{ - int res, ret = 0; - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - struct hostap_cs_priv *hw_priv = local->hw_priv; - - if (resource_size(hw_priv->link->resource[0]) < 0x42) { - /* Not enough ports to be SanDisk multi-function card */ - ret = -ENODEV; - goto done; - } - - if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) { - /* No SanDisk manfid found */ - ret = -ENODEV; - goto done; - } - - if (hw_priv->link->socket->functions < 2) { - /* No multi-function links found */ - ret = -ENODEV; - goto done; - } - - printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected" - " - using vendor-specific initialization\n", dev->name); - hw_priv->sandisk_connectplus = 1; - - res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, - COR_SOFT_RESET); - if (res != 0) { - printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", - dev->name, res); - goto done; - } - mdelay(5); - - /* - * Do not enable interrupts here to avoid some bogus events. Interrupts - * will be enabled during the first cor_sreset call. - */ - res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, - (COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | - COR_FUNC_ENA)); - if (res != 0) { - printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", - dev->name, res); - goto done; - } - mdelay(5); - - sandisk_set_iobase(local); - - HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF); - udelay(10); - HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF); - udelay(10); - -done: - return ret; -} - - -static void prism2_pccard_cor_sreset(local_info_t *local) -{ - int res; - u8 val; - struct hostap_cs_priv *hw_priv = local->hw_priv; - - if (!prism2_pccard_card_present(local)) - return; - - res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val); - if (res != 0) { - printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n", - res); - return; - } - printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n", - val); - - val |= COR_SOFT_RESET; - res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val); - if (res != 0) { - printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n", - res); - return; - } - - mdelay(hw_priv->sandisk_connectplus ? 5 : 2); - - val &= ~COR_SOFT_RESET; - if (hw_priv->sandisk_connectplus) - val |= COR_IREQ_ENA; - res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val); - if (res != 0) { - printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n", - res); - return; - } - - mdelay(hw_priv->sandisk_connectplus ? 5 : 2); - - if (hw_priv->sandisk_connectplus) - sandisk_set_iobase(local); -} - - -static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) -{ - int res; - u8 old_cor; - struct hostap_cs_priv *hw_priv = local->hw_priv; - - if (!prism2_pccard_card_present(local)) - return; - - if (hw_priv->sandisk_connectplus) { - sandisk_write_hcr(local, hcr); - return; - } - - res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor); - if (res != 0) { - printk(KERN_DEBUG "%s failed 1 (%d)\n", __func__, res); - return; - } - printk(KERN_DEBUG "%s: original COR %02x\n", __func__, old_cor); - - res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, - old_cor | COR_SOFT_RESET); - if (res != 0) { - printk(KERN_DEBUG "%s failed 2 (%d)\n", __func__, res); - return; - } - - mdelay(10); - - /* Setup Genesis mode */ - res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr); - if (res != 0) { - printk(KERN_DEBUG "%s failed 3 (%d)\n", __func__, res); - return; - } - mdelay(10); - - res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, - old_cor & ~COR_SOFT_RESET); - if (res != 0) { - printk(KERN_DEBUG "%s failed 4 (%d)\n", __func__, res); - return; - } - - mdelay(10); -} - - -static struct prism2_helper_functions prism2_pccard_funcs = -{ - .card_present = prism2_pccard_card_present, - .cor_sreset = prism2_pccard_cor_sreset, - .genesis_reset = prism2_pccard_genesis_reset, - .hw_type = HOSTAP_HW_PCCARD, -}; - - -/* allocate local data and register with CardServices - * initialize dev_link structure, but do not configure the card yet */ -static int hostap_cs_probe(struct pcmcia_device *p_dev) -{ - int ret; - - PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info); - - ret = prism2_config(p_dev); - if (ret) { - PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); - } - - return ret; -} - - -static void prism2_detach(struct pcmcia_device *link) -{ - PDEBUG(DEBUG_FLOW, "prism2_detach\n"); - - prism2_release((u_long)link); - - /* release net devices */ - if (link->priv) { - struct hostap_cs_priv *hw_priv; - struct net_device *dev; - struct hostap_interface *iface; - dev = link->priv; - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - prism2_free_local_data(dev); - kfree(hw_priv); - } -} - - -static int prism2_config_check(struct pcmcia_device *p_dev, void *priv_data) -{ - if (p_dev->config_index == 0) - return -EINVAL; - - return pcmcia_request_io(p_dev); -} - -static int prism2_config(struct pcmcia_device *link) -{ - struct net_device *dev; - struct hostap_interface *iface; - local_info_t *local; - int ret = 1; - struct hostap_cs_priv *hw_priv; - unsigned long flags; - - PDEBUG(DEBUG_FLOW, "prism2_config()\n"); - - hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); - if (hw_priv == NULL) { - ret = -ENOMEM; - goto failed; - } - - /* Look for an appropriate configuration table entry in the CIS */ - link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | - CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO | CONF_ENABLE_IRQ; - if (ignore_cis_vcc) - link->config_flags &= ~CONF_AUTO_CHECK_VCC; - ret = pcmcia_loop_config(link, prism2_config_check, NULL); - if (ret) { - if (!ignore_cis_vcc) - printk(KERN_ERR "GetNextTuple(): No matching " - "CIS configuration. Maybe you need the " - "ignore_cis_vcc=1 parameter.\n"); - goto failed; - } - - /* Need to allocate net_device before requesting IRQ handler */ - dev = prism2_init_local_data(&prism2_pccard_funcs, 0, - &link->dev); - if (dev == NULL) - goto failed; - link->priv = dev; - - iface = netdev_priv(dev); - local = iface->local; - local->hw_priv = hw_priv; - hw_priv->link = link; - - /* - * We enable IRQ here, but IRQ handler will not proceed - * until dev->base_addr is set below. This protect us from - * receive interrupts when driver is not initialized. - */ - ret = pcmcia_request_irq(link, prism2_interrupt); - if (ret) - goto failed; - - ret = pcmcia_enable_device(link); - if (ret) - goto failed; - - spin_lock_irqsave(&local->irq_init_lock, flags); - dev->irq = link->irq; - dev->base_addr = link->resource[0]->start; - spin_unlock_irqrestore(&local->irq_init_lock, flags); - - local->shutdown = 0; - - sandisk_enable_wireless(dev); - - ret = prism2_hw_config(dev, 1); - if (!ret) - ret = hostap_hw_ready(dev); - - return ret; - - failed: - kfree(hw_priv); - prism2_release((u_long)link); - return ret; -} - - -static void prism2_release(u_long arg) -{ - struct pcmcia_device *link = (struct pcmcia_device *)arg; - - PDEBUG(DEBUG_FLOW, "prism2_release\n"); - - if (link->priv) { - struct net_device *dev = link->priv; - struct hostap_interface *iface; - - iface = netdev_priv(dev); - prism2_hw_shutdown(dev, 0); - iface->local->shutdown = 1; - } - - pcmcia_disable_device(link); - PDEBUG(DEBUG_FLOW, "release - done\n"); -} - -static int hostap_cs_suspend(struct pcmcia_device *link) -{ - struct net_device *dev = (struct net_device *) link->priv; - int dev_open = 0; - struct hostap_interface *iface = NULL; - - if (!dev) - return -ENODEV; - - iface = netdev_priv(dev); - - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); - if (iface && iface->local) - dev_open = iface->local->num_dev_open > 0; - if (dev_open) { - netif_stop_queue(dev); - netif_device_detach(dev); - } - prism2_suspend(dev); - - return 0; -} - -static int hostap_cs_resume(struct pcmcia_device *link) -{ - struct net_device *dev = (struct net_device *) link->priv; - int dev_open = 0; - struct hostap_interface *iface = NULL; - - if (!dev) - return -ENODEV; - - iface = netdev_priv(dev); - - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); - - if (iface && iface->local) - dev_open = iface->local->num_dev_open > 0; - - prism2_hw_shutdown(dev, 1); - prism2_hw_config(dev, dev_open ? 0 : 1); - if (dev_open) { - netif_device_attach(dev); - netif_start_queue(dev); - } - - return 0; -} - -static const struct pcmcia_device_id hostap_cs_ids[] = { - PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), - PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), - PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), - PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), - PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301), - PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b), - PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), - PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), - PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001), - PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001), - PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), -/* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */ - PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), - PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010), - PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002), - PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF", - 0x2d858104), - PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL", - 0x74c5e40d), - PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil", - 0x4b801a17), - PCMCIA_DEVICE_MANF_CARD_PROD_ID3(0x0156, 0x0002, "Version 01.02", - 0x4b74baa0), - PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus", - 0x7a954bd9, 0x74be00c6), - PCMCIA_DEVICE_PROD_ID123( - "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02", - 0xe6ec52ce, 0x08649af2, 0x4b74baa0), - PCMCIA_DEVICE_PROD_ID123( - "Canon", "Wireless LAN CF Card K30225", "Version 01.00", - 0x96ef6fe2, 0x263fcbab, 0xa57adb8c), - PCMCIA_DEVICE_PROD_ID123( - "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02", - 0x71b18589, 0xb6f1b0ab, 0x4b74baa0), - PCMCIA_DEVICE_PROD_ID123( - "Instant Wireless ", " Network PC CARD", "Version 01.02", - 0x11d901af, 0x6e9bd926, 0x4b74baa0), - PCMCIA_DEVICE_PROD_ID123( - "SMC", "SMC2632W", "Version 01.02", - 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0), - PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", - 0x2decece3, 0x82067c18), - PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card", - 0x54f7c49c, 0x15a75e5b), - PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", - 0x74c5e40d, 0xdb472a18), - PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card", - 0x0733cc81, 0x0c52f395), - PCMCIA_DEVICE_PROD_ID12( - "ZoomAir 11Mbps High", "Rate wireless Networking", - 0x273fe3db, 0x32a1eaee), - PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401 Wireless PC", "Card", - 0xa37434e9, 0x9762e8f1), - PCMCIA_DEVICE_PROD_ID123( - "Pretec", "CompactWLAN Card 802.11b", "2.5", - 0x1cadd3e5, 0xe697636c, 0x7a5bfcf1), - PCMCIA_DEVICE_PROD_ID123( - "U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", - 0xc7b8df9d, 0x1700d087, 0x4b74baa0), - PCMCIA_DEVICE_PROD_ID123( - "Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio", - "Ver. 1.00", - 0x5cd01705, 0x4271660f, 0x9d08ee12), - PCMCIA_DEVICE_PROD_ID123( - "Wireless LAN" , "11Mbps PC Card", "Version 01.02", - 0x4b8870ff, 0x70e946d1, 0x4b74baa0), - PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092), - PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2), - PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b), - PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39), - PCMCIA_DEVICE_NULL -}; -MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids); - - -static struct pcmcia_driver hostap_driver = { - .name = "hostap_cs", - .probe = hostap_cs_probe, - .remove = prism2_detach, - .owner = THIS_MODULE, - .id_table = hostap_cs_ids, - .suspend = hostap_cs_suspend, - .resume = hostap_cs_resume, -}; -module_pcmcia_driver(hostap_driver); diff --git a/drivers/net/wireless/hostap/hostap_download.c b/drivers/net/wireless/hostap/hostap_download.c deleted file mode 100644 index 705fe668b969..000000000000 --- a/drivers/net/wireless/hostap/hostap_download.c +++ /dev/null @@ -1,812 +0,0 @@ -static int prism2_enable_aux_port(struct net_device *dev, int enable) -{ - u16 val, reg; - int i, tries; - unsigned long flags; - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->no_pri) { - if (enable) { - PDEBUG(DEBUG_EXTRA2, "%s: no PRI f/w - assuming Aux " - "port is already enabled\n", dev->name); - } - return 0; - } - - spin_lock_irqsave(&local->cmdlock, flags); - - /* wait until busy bit is clear */ - tries = HFA384X_CMD_BUSY_TIMEOUT; - while (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY && tries > 0) { - tries--; - udelay(1); - } - if (tries == 0) { - reg = HFA384X_INW(HFA384X_CMD_OFF); - spin_unlock_irqrestore(&local->cmdlock, flags); - printk("%s: prism2_enable_aux_port - timeout - reg=0x%04x\n", - dev->name, reg); - return -ETIMEDOUT; - } - - val = HFA384X_INW(HFA384X_CONTROL_OFF); - - if (enable) { - HFA384X_OUTW(HFA384X_AUX_MAGIC0, HFA384X_PARAM0_OFF); - HFA384X_OUTW(HFA384X_AUX_MAGIC1, HFA384X_PARAM1_OFF); - HFA384X_OUTW(HFA384X_AUX_MAGIC2, HFA384X_PARAM2_OFF); - - if ((val & HFA384X_AUX_PORT_MASK) != HFA384X_AUX_PORT_DISABLED) - printk("prism2_enable_aux_port: was not disabled!?\n"); - val &= ~HFA384X_AUX_PORT_MASK; - val |= HFA384X_AUX_PORT_ENABLE; - } else { - HFA384X_OUTW(0, HFA384X_PARAM0_OFF); - HFA384X_OUTW(0, HFA384X_PARAM1_OFF); - HFA384X_OUTW(0, HFA384X_PARAM2_OFF); - - if ((val & HFA384X_AUX_PORT_MASK) != HFA384X_AUX_PORT_ENABLED) - printk("prism2_enable_aux_port: was not enabled!?\n"); - val &= ~HFA384X_AUX_PORT_MASK; - val |= HFA384X_AUX_PORT_DISABLE; - } - HFA384X_OUTW(val, HFA384X_CONTROL_OFF); - - udelay(5); - - i = 10000; - while (i > 0) { - val = HFA384X_INW(HFA384X_CONTROL_OFF); - val &= HFA384X_AUX_PORT_MASK; - - if ((enable && val == HFA384X_AUX_PORT_ENABLED) || - (!enable && val == HFA384X_AUX_PORT_DISABLED)) - break; - - udelay(10); - i--; - } - - spin_unlock_irqrestore(&local->cmdlock, flags); - - if (i == 0) { - printk("prism2_enable_aux_port(%d) timed out\n", - enable); - return -ETIMEDOUT; - } - - return 0; -} - - -static int hfa384x_from_aux(struct net_device *dev, unsigned int addr, int len, - void *buf) -{ - u16 page, offset; - if (addr & 1 || len & 1) - return -1; - - page = addr >> 7; - offset = addr & 0x7f; - - HFA384X_OUTW(page, HFA384X_AUXPAGE_OFF); - HFA384X_OUTW(offset, HFA384X_AUXOFFSET_OFF); - - udelay(5); - -#ifdef PRISM2_PCI - { - __le16 *pos = (__le16 *) buf; - while (len > 0) { - *pos++ = HFA384X_INW_DATA(HFA384X_AUXDATA_OFF); - len -= 2; - } - } -#else /* PRISM2_PCI */ - HFA384X_INSW(HFA384X_AUXDATA_OFF, buf, len / 2); -#endif /* PRISM2_PCI */ - - return 0; -} - - -static int hfa384x_to_aux(struct net_device *dev, unsigned int addr, int len, - void *buf) -{ - u16 page, offset; - if (addr & 1 || len & 1) - return -1; - - page = addr >> 7; - offset = addr & 0x7f; - - HFA384X_OUTW(page, HFA384X_AUXPAGE_OFF); - HFA384X_OUTW(offset, HFA384X_AUXOFFSET_OFF); - - udelay(5); - -#ifdef PRISM2_PCI - { - __le16 *pos = (__le16 *) buf; - while (len > 0) { - HFA384X_OUTW_DATA(*pos++, HFA384X_AUXDATA_OFF); - len -= 2; - } - } -#else /* PRISM2_PCI */ - HFA384X_OUTSW(HFA384X_AUXDATA_OFF, buf, len / 2); -#endif /* PRISM2_PCI */ - - return 0; -} - - -static int prism2_pda_ok(u8 *buf) -{ - __le16 *pda = (__le16 *) buf; - int pos; - u16 len, pdr; - - if (buf[0] == 0xff && buf[1] == 0x00 && buf[2] == 0xff && - buf[3] == 0x00) - return 0; - - pos = 0; - while (pos + 1 < PRISM2_PDA_SIZE / 2) { - len = le16_to_cpu(pda[pos]); - pdr = le16_to_cpu(pda[pos + 1]); - if (len == 0 || pos + len > PRISM2_PDA_SIZE / 2) - return 0; - - if (pdr == 0x0000 && len == 2) { - /* PDA end found */ - return 1; - } - - pos += len + 1; - } - - return 0; -} - - -#define prism2_download_aux_dump_npages 65536 - -struct prism2_download_aux_dump { - local_info_t *local; - u16 page[0x80]; -}; - -static int prism2_download_aux_dump_proc_show(struct seq_file *m, void *v) -{ - struct prism2_download_aux_dump *ctx = m->private; - - hfa384x_from_aux(ctx->local->dev, (unsigned long)v - 1, 0x80, ctx->page); - seq_write(m, ctx->page, 0x80); - return 0; -} - -static void *prism2_download_aux_dump_proc_start(struct seq_file *m, loff_t *_pos) -{ - struct prism2_download_aux_dump *ctx = m->private; - prism2_enable_aux_port(ctx->local->dev, 1); - if (*_pos >= prism2_download_aux_dump_npages) - return NULL; - return (void *)((unsigned long)*_pos + 1); -} - -static void *prism2_download_aux_dump_proc_next(struct seq_file *m, void *v, loff_t *_pos) -{ - ++*_pos; - if (*_pos >= prism2_download_aux_dump_npages) - return NULL; - return (void *)((unsigned long)*_pos + 1); -} - -static void prism2_download_aux_dump_proc_stop(struct seq_file *m, void *v) -{ - struct prism2_download_aux_dump *ctx = m->private; - prism2_enable_aux_port(ctx->local->dev, 0); -} - -static const struct seq_operations prism2_download_aux_dump_proc_seqops = { - .start = prism2_download_aux_dump_proc_start, - .next = prism2_download_aux_dump_proc_next, - .stop = prism2_download_aux_dump_proc_stop, - .show = prism2_download_aux_dump_proc_show, -}; - -static int prism2_download_aux_dump_proc_open(struct inode *inode, struct file *file) -{ - int ret = seq_open_private(file, &prism2_download_aux_dump_proc_seqops, - sizeof(struct prism2_download_aux_dump)); - if (ret == 0) { - struct seq_file *m = file->private_data; - m->private = PDE_DATA(inode); - } - return ret; -} - -static const struct file_operations prism2_download_aux_dump_proc_fops = { - .open = prism2_download_aux_dump_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release_private, -}; - - -static u8 * prism2_read_pda(struct net_device *dev) -{ - u8 *buf; - int res, i, found = 0; -#define NUM_PDA_ADDRS 4 - unsigned int pda_addr[NUM_PDA_ADDRS] = { - 0x7f0000 /* others than HFA3841 */, - 0x3f0000 /* HFA3841 */, - 0x390000 /* apparently used in older cards */, - 0x7f0002 /* Intel PRO/Wireless 2011B (PCI) */, - }; - - buf = kmalloc(PRISM2_PDA_SIZE, GFP_KERNEL); - if (buf == NULL) - return NULL; - - /* Note: wlan card should be in initial state (just after init cmd) - * and no other operations should be performed concurrently. */ - - prism2_enable_aux_port(dev, 1); - - for (i = 0; i < NUM_PDA_ADDRS; i++) { - PDEBUG(DEBUG_EXTRA2, "%s: trying to read PDA from 0x%08x", - dev->name, pda_addr[i]); - res = hfa384x_from_aux(dev, pda_addr[i], PRISM2_PDA_SIZE, buf); - if (res) - continue; - if (res == 0 && prism2_pda_ok(buf)) { - PDEBUG2(DEBUG_EXTRA2, ": OK\n"); - found = 1; - break; - } else { - PDEBUG2(DEBUG_EXTRA2, ": failed\n"); - } - } - - prism2_enable_aux_port(dev, 0); - - if (!found) { - printk(KERN_DEBUG "%s: valid PDA not found\n", dev->name); - kfree(buf); - buf = NULL; - } - - return buf; -} - - -static int prism2_download_volatile(local_info_t *local, - struct prism2_download_data *param) -{ - struct net_device *dev = local->dev; - int ret = 0, i; - u16 param0, param1; - - if (local->hw_downloading) { - printk(KERN_WARNING "%s: Already downloading - aborting new " - "request\n", dev->name); - return -1; - } - - local->hw_downloading = 1; - if (local->pri_only) { - hfa384x_disable_interrupts(dev); - } else { - prism2_hw_shutdown(dev, 0); - - if (prism2_hw_init(dev, 0)) { - printk(KERN_WARNING "%s: Could not initialize card for" - " download\n", dev->name); - ret = -1; - goto out; - } - } - - if (prism2_enable_aux_port(dev, 1)) { - printk(KERN_WARNING "%s: Could not enable AUX port\n", - dev->name); - ret = -1; - goto out; - } - - param0 = param->start_addr & 0xffff; - param1 = param->start_addr >> 16; - - HFA384X_OUTW(0, HFA384X_PARAM2_OFF); - HFA384X_OUTW(param1, HFA384X_PARAM1_OFF); - if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | - (HFA384X_PROGMODE_ENABLE_VOLATILE << 8), - param0)) { - printk(KERN_WARNING "%s: Download command execution failed\n", - dev->name); - ret = -1; - goto out; - } - - for (i = 0; i < param->num_areas; i++) { - PDEBUG(DEBUG_EXTRA2, "%s: Writing %d bytes at 0x%08x\n", - dev->name, param->data[i].len, param->data[i].addr); - if (hfa384x_to_aux(dev, param->data[i].addr, - param->data[i].len, param->data[i].data)) { - printk(KERN_WARNING "%s: RAM download at 0x%08x " - "(len=%d) failed\n", dev->name, - param->data[i].addr, param->data[i].len); - ret = -1; - goto out; - } - } - - HFA384X_OUTW(param1, HFA384X_PARAM1_OFF); - HFA384X_OUTW(0, HFA384X_PARAM2_OFF); - if (hfa384x_cmd_no_wait(dev, HFA384X_CMDCODE_DOWNLOAD | - (HFA384X_PROGMODE_DISABLE << 8), param0)) { - printk(KERN_WARNING "%s: Download command execution failed\n", - dev->name); - ret = -1; - goto out; - } - /* ProgMode disable causes the hardware to restart itself from the - * given starting address. Give hw some time and ACK command just in - * case restart did not happen. */ - mdelay(5); - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); - - if (prism2_enable_aux_port(dev, 0)) { - printk(KERN_DEBUG "%s: Disabling AUX port failed\n", - dev->name); - /* continue anyway.. restart should have taken care of this */ - } - - mdelay(5); - local->hw_downloading = 0; - if (prism2_hw_config(dev, 2)) { - printk(KERN_WARNING "%s: Card configuration after RAM " - "download failed\n", dev->name); - ret = -1; - goto out; - } - - out: - local->hw_downloading = 0; - return ret; -} - - -static int prism2_enable_genesis(local_info_t *local, int hcr) -{ - struct net_device *dev = local->dev; - u8 initseq[4] = { 0x00, 0xe1, 0xa1, 0xff }; - u8 readbuf[4]; - - printk(KERN_DEBUG "%s: test Genesis mode with HCR 0x%02x\n", - dev->name, hcr); - local->func->cor_sreset(local); - hfa384x_to_aux(dev, 0x7e0038, sizeof(initseq), initseq); - local->func->genesis_reset(local, hcr); - - /* Readback test */ - hfa384x_from_aux(dev, 0x7e0038, sizeof(readbuf), readbuf); - hfa384x_to_aux(dev, 0x7e0038, sizeof(initseq), initseq); - hfa384x_from_aux(dev, 0x7e0038, sizeof(readbuf), readbuf); - - if (memcmp(initseq, readbuf, sizeof(initseq)) == 0) { - printk(KERN_DEBUG "Readback test succeeded, HCR 0x%02x\n", - hcr); - return 0; - } else { - printk(KERN_DEBUG "Readback test failed, HCR 0x%02x " - "write %02x %02x %02x %02x read %02x %02x %02x %02x\n", - hcr, initseq[0], initseq[1], initseq[2], initseq[3], - readbuf[0], readbuf[1], readbuf[2], readbuf[3]); - return 1; - } -} - - -static int prism2_get_ram_size(local_info_t *local) -{ - int ret; - - /* Try to enable genesis mode; 0x1F for x8 SRAM or 0x0F for x16 SRAM */ - if (prism2_enable_genesis(local, 0x1f) == 0) - ret = 8; - else if (prism2_enable_genesis(local, 0x0f) == 0) - ret = 16; - else - ret = -1; - - /* Disable genesis mode */ - local->func->genesis_reset(local, ret == 16 ? 0x07 : 0x17); - - return ret; -} - - -static int prism2_download_genesis(local_info_t *local, - struct prism2_download_data *param) -{ - struct net_device *dev = local->dev; - int ram16 = 0, i; - int ret = 0; - - if (local->hw_downloading) { - printk(KERN_WARNING "%s: Already downloading - aborting new " - "request\n", dev->name); - return -EBUSY; - } - - if (!local->func->genesis_reset || !local->func->cor_sreset) { - printk(KERN_INFO "%s: Genesis mode downloading not supported " - "with this hwmodel\n", dev->name); - return -EOPNOTSUPP; - } - - local->hw_downloading = 1; - - if (prism2_enable_aux_port(dev, 1)) { - printk(KERN_DEBUG "%s: failed to enable AUX port\n", - dev->name); - ret = -EIO; - goto out; - } - - if (local->sram_type == -1) { - /* 0x1F for x8 SRAM or 0x0F for x16 SRAM */ - if (prism2_enable_genesis(local, 0x1f) == 0) { - ram16 = 0; - PDEBUG(DEBUG_EXTRA2, "%s: Genesis mode OK using x8 " - "SRAM\n", dev->name); - } else if (prism2_enable_genesis(local, 0x0f) == 0) { - ram16 = 1; - PDEBUG(DEBUG_EXTRA2, "%s: Genesis mode OK using x16 " - "SRAM\n", dev->name); - } else { - printk(KERN_DEBUG "%s: Could not initiate genesis " - "mode\n", dev->name); - ret = -EIO; - goto out; - } - } else { - if (prism2_enable_genesis(local, local->sram_type == 8 ? - 0x1f : 0x0f)) { - printk(KERN_DEBUG "%s: Failed to set Genesis " - "mode (sram_type=%d)\n", dev->name, - local->sram_type); - ret = -EIO; - goto out; - } - ram16 = local->sram_type != 8; - } - - for (i = 0; i < param->num_areas; i++) { - PDEBUG(DEBUG_EXTRA2, "%s: Writing %d bytes at 0x%08x\n", - dev->name, param->data[i].len, param->data[i].addr); - if (hfa384x_to_aux(dev, param->data[i].addr, - param->data[i].len, param->data[i].data)) { - printk(KERN_WARNING "%s: RAM download at 0x%08x " - "(len=%d) failed\n", dev->name, - param->data[i].addr, param->data[i].len); - ret = -EIO; - goto out; - } - } - - PDEBUG(DEBUG_EXTRA2, "Disable genesis mode\n"); - local->func->genesis_reset(local, ram16 ? 0x07 : 0x17); - if (prism2_enable_aux_port(dev, 0)) { - printk(KERN_DEBUG "%s: Failed to disable AUX port\n", - dev->name); - } - - mdelay(5); - local->hw_downloading = 0; - - PDEBUG(DEBUG_EXTRA2, "Trying to initialize card\n"); - /* - * Make sure the INIT command does not generate a command completion - * event by disabling interrupts. - */ - hfa384x_disable_interrupts(dev); - if (prism2_hw_init(dev, 1)) { - printk(KERN_DEBUG "%s: Initialization after genesis mode " - "download failed\n", dev->name); - ret = -EIO; - goto out; - } - - PDEBUG(DEBUG_EXTRA2, "Card initialized - running PRI only\n"); - if (prism2_hw_init2(dev, 1)) { - printk(KERN_DEBUG "%s: Initialization(2) after genesis mode " - "download failed\n", dev->name); - ret = -EIO; - goto out; - } - - out: - local->hw_downloading = 0; - return ret; -} - - -#ifdef PRISM2_NON_VOLATILE_DOWNLOAD -/* Note! Non-volatile downloading functionality has not yet been tested - * thoroughly and it may corrupt flash image and effectively kill the card that - * is being updated. You have been warned. */ - -static inline int prism2_download_block(struct net_device *dev, - u32 addr, u8 *data, - u32 bufaddr, int rest_len) -{ - u16 param0, param1; - int block_len; - - block_len = rest_len < 4096 ? rest_len : 4096; - - param0 = addr & 0xffff; - param1 = addr >> 16; - - HFA384X_OUTW(block_len, HFA384X_PARAM2_OFF); - HFA384X_OUTW(param1, HFA384X_PARAM1_OFF); - - if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | - (HFA384X_PROGMODE_ENABLE_NON_VOLATILE << 8), - param0)) { - printk(KERN_WARNING "%s: Flash download command execution " - "failed\n", dev->name); - return -1; - } - - if (hfa384x_to_aux(dev, bufaddr, block_len, data)) { - printk(KERN_WARNING "%s: flash download at 0x%08x " - "(len=%d) failed\n", dev->name, addr, block_len); - return -1; - } - - HFA384X_OUTW(0, HFA384X_PARAM2_OFF); - HFA384X_OUTW(0, HFA384X_PARAM1_OFF); - if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | - (HFA384X_PROGMODE_PROGRAM_NON_VOLATILE << 8), - 0)) { - printk(KERN_WARNING "%s: Flash write command execution " - "failed\n", dev->name); - return -1; - } - - return block_len; -} - - -static int prism2_download_nonvolatile(local_info_t *local, - struct prism2_download_data *dl) -{ - struct net_device *dev = local->dev; - int ret = 0, i; - struct { - __le16 page; - __le16 offset; - __le16 len; - } dlbuffer; - u32 bufaddr; - - if (local->hw_downloading) { - printk(KERN_WARNING "%s: Already downloading - aborting new " - "request\n", dev->name); - return -1; - } - - ret = local->func->get_rid(dev, HFA384X_RID_DOWNLOADBUFFER, - &dlbuffer, 6, 0); - - if (ret < 0) { - printk(KERN_WARNING "%s: Could not read download buffer " - "parameters\n", dev->name); - goto out; - } - - printk(KERN_DEBUG "Download buffer: %d bytes at 0x%04x:0x%04x\n", - le16_to_cpu(dlbuffer.len), - le16_to_cpu(dlbuffer.page), - le16_to_cpu(dlbuffer.offset)); - - bufaddr = (le16_to_cpu(dlbuffer.page) << 7) + le16_to_cpu(dlbuffer.offset); - - local->hw_downloading = 1; - - if (!local->pri_only) { - prism2_hw_shutdown(dev, 0); - - if (prism2_hw_init(dev, 0)) { - printk(KERN_WARNING "%s: Could not initialize card for" - " download\n", dev->name); - ret = -1; - goto out; - } - } - - hfa384x_disable_interrupts(dev); - - if (prism2_enable_aux_port(dev, 1)) { - printk(KERN_WARNING "%s: Could not enable AUX port\n", - dev->name); - ret = -1; - goto out; - } - - printk(KERN_DEBUG "%s: starting flash download\n", dev->name); - for (i = 0; i < dl->num_areas; i++) { - int rest_len = dl->data[i].len; - int data_off = 0; - - while (rest_len > 0) { - int block_len; - - block_len = prism2_download_block( - dev, dl->data[i].addr + data_off, - dl->data[i].data + data_off, bufaddr, - rest_len); - - if (block_len < 0) { - ret = -1; - goto out; - } - - rest_len -= block_len; - data_off += block_len; - } - } - - HFA384X_OUTW(0, HFA384X_PARAM1_OFF); - HFA384X_OUTW(0, HFA384X_PARAM2_OFF); - if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | - (HFA384X_PROGMODE_DISABLE << 8), 0)) { - printk(KERN_WARNING "%s: Download command execution failed\n", - dev->name); - ret = -1; - goto out; - } - - if (prism2_enable_aux_port(dev, 0)) { - printk(KERN_DEBUG "%s: Disabling AUX port failed\n", - dev->name); - /* continue anyway.. restart should have taken care of this */ - } - - mdelay(5); - - local->func->hw_reset(dev); - local->hw_downloading = 0; - if (prism2_hw_config(dev, 2)) { - printk(KERN_WARNING "%s: Card configuration after flash " - "download failed\n", dev->name); - ret = -1; - } else { - printk(KERN_INFO "%s: Card initialized successfully after " - "flash download\n", dev->name); - } - - out: - local->hw_downloading = 0; - return ret; -} -#endif /* PRISM2_NON_VOLATILE_DOWNLOAD */ - - -static void prism2_download_free_data(struct prism2_download_data *dl) -{ - int i; - - if (dl == NULL) - return; - - for (i = 0; i < dl->num_areas; i++) - kfree(dl->data[i].data); - kfree(dl); -} - - -static int prism2_download(local_info_t *local, - struct prism2_download_param *param) -{ - int ret = 0; - int i; - u32 total_len = 0; - struct prism2_download_data *dl = NULL; - - printk(KERN_DEBUG "prism2_download: dl_cmd=%d start_addr=0x%08x " - "num_areas=%d\n", - param->dl_cmd, param->start_addr, param->num_areas); - - if (param->num_areas > 100) { - ret = -EINVAL; - goto out; - } - - dl = kzalloc(sizeof(*dl) + param->num_areas * - sizeof(struct prism2_download_data_area), GFP_KERNEL); - if (dl == NULL) { - ret = -ENOMEM; - goto out; - } - dl->dl_cmd = param->dl_cmd; - dl->start_addr = param->start_addr; - dl->num_areas = param->num_areas; - for (i = 0; i < param->num_areas; i++) { - PDEBUG(DEBUG_EXTRA2, - " area %d: addr=0x%08x len=%d ptr=0x%p\n", - i, param->data[i].addr, param->data[i].len, - param->data[i].ptr); - - dl->data[i].addr = param->data[i].addr; - dl->data[i].len = param->data[i].len; - - total_len += param->data[i].len; - if (param->data[i].len > PRISM2_MAX_DOWNLOAD_AREA_LEN || - total_len > PRISM2_MAX_DOWNLOAD_LEN) { - ret = -E2BIG; - goto out; - } - - dl->data[i].data = kmalloc(dl->data[i].len, GFP_KERNEL); - if (dl->data[i].data == NULL) { - ret = -ENOMEM; - goto out; - } - - if (copy_from_user(dl->data[i].data, param->data[i].ptr, - param->data[i].len)) { - ret = -EFAULT; - goto out; - } - } - - switch (param->dl_cmd) { - case PRISM2_DOWNLOAD_VOLATILE: - case PRISM2_DOWNLOAD_VOLATILE_PERSISTENT: - ret = prism2_download_volatile(local, dl); - break; - case PRISM2_DOWNLOAD_VOLATILE_GENESIS: - case PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT: - ret = prism2_download_genesis(local, dl); - break; - case PRISM2_DOWNLOAD_NON_VOLATILE: -#ifdef PRISM2_NON_VOLATILE_DOWNLOAD - ret = prism2_download_nonvolatile(local, dl); -#else /* PRISM2_NON_VOLATILE_DOWNLOAD */ - printk(KERN_INFO "%s: non-volatile downloading not enabled\n", - local->dev->name); - ret = -EOPNOTSUPP; -#endif /* PRISM2_NON_VOLATILE_DOWNLOAD */ - break; - default: - printk(KERN_DEBUG "%s: unsupported download command %d\n", - local->dev->name, param->dl_cmd); - ret = -EINVAL; - break; - } - - out: - if (ret == 0 && dl && - param->dl_cmd == PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT) { - prism2_download_free_data(local->dl_pri); - local->dl_pri = dl; - } else if (ret == 0 && dl && - param->dl_cmd == PRISM2_DOWNLOAD_VOLATILE_PERSISTENT) { - prism2_download_free_data(local->dl_sec); - local->dl_sec = dl; - } else - prism2_download_free_data(dl); - - return ret; -} diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c deleted file mode 100644 index 6df3ee561d52..000000000000 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ /dev/null @@ -1,3424 +0,0 @@ -/* - * Host AP (software wireless LAN access point) driver for - * Intersil Prism2/2.5/3. - * - * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * - * Copyright (c) 2002-2005, Jouni Malinen - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. See README and COPYING for - * more details. - * - * FIX: - * - there is currently no way of associating TX packets to correct wds device - * when TX Exc/OK event occurs, so all tx_packets and some - * tx_errors/tx_dropped are added to the main netdevice; using sw_support - * field in txdesc might be used to fix this (using Alloc event to increment - * tx_packets would need some further info in txfid table) - * - * Buffer Access Path (BAP) usage: - * Prism2 cards have two separate BAPs for accessing the card memory. These - * should allow concurrent access to two different frames and the driver - * previously used BAP0 for sending data and BAP1 for receiving data. - * However, there seems to be number of issues with concurrent access and at - * least one know hardware bug in using BAP0 and BAP1 concurrently with PCI - * Prism2.5. Therefore, the driver now only uses BAP0 for moving data between - * host and card memories. BAP0 accesses are protected with local->baplock - * (spin_lock_bh) to prevent concurrent use. - */ - - - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "hostap_80211.h" -#include "hostap.h" -#include "hostap_ap.h" - - -/* #define final_version */ - -static int mtu = 1500; -module_param(mtu, int, 0444); -MODULE_PARM_DESC(mtu, "Maximum transfer unit"); - -static int channel[MAX_PARM_DEVICES] = { 3, DEF_INTS }; -module_param_array(channel, int, NULL, 0444); -MODULE_PARM_DESC(channel, "Initial channel"); - -static char essid[33] = "test"; -module_param_string(essid, essid, sizeof(essid), 0444); -MODULE_PARM_DESC(essid, "Host AP's ESSID"); - -static int iw_mode[MAX_PARM_DEVICES] = { IW_MODE_MASTER, DEF_INTS }; -module_param_array(iw_mode, int, NULL, 0444); -MODULE_PARM_DESC(iw_mode, "Initial operation mode"); - -static int beacon_int[MAX_PARM_DEVICES] = { 100, DEF_INTS }; -module_param_array(beacon_int, int, NULL, 0444); -MODULE_PARM_DESC(beacon_int, "Beacon interval (1 = 1024 usec)"); - -static int dtim_period[MAX_PARM_DEVICES] = { 1, DEF_INTS }; -module_param_array(dtim_period, int, NULL, 0444); -MODULE_PARM_DESC(dtim_period, "DTIM period"); - -static char dev_template[16] = "wlan%d"; -module_param_string(dev_template, dev_template, sizeof(dev_template), 0444); -MODULE_PARM_DESC(dev_template, "Prefix for network device name (default: " - "wlan%d)"); - -#ifdef final_version -#define EXTRA_EVENTS_WTERR 0 -#else -/* check WTERR events (Wait Time-out) in development versions */ -#define EXTRA_EVENTS_WTERR HFA384X_EV_WTERR -#endif - -/* Events that will be using BAP0 */ -#define HFA384X_BAP0_EVENTS \ - (HFA384X_EV_TXEXC | HFA384X_EV_RX | HFA384X_EV_INFO | HFA384X_EV_TX) - -/* event mask, i.e., events that will result in an interrupt */ -#define HFA384X_EVENT_MASK \ - (HFA384X_BAP0_EVENTS | HFA384X_EV_ALLOC | HFA384X_EV_INFDROP | \ - HFA384X_EV_CMD | HFA384X_EV_TICK | \ - EXTRA_EVENTS_WTERR) - -/* Default TX control flags: use 802.11 headers and request interrupt for - * failed transmits. Frames that request ACK callback, will add - * _TX_OK flag and _ALT_RTRY flag may be used to select different retry policy. - */ -#define HFA384X_TX_CTRL_FLAGS \ - (HFA384X_TX_CTRL_802_11 | HFA384X_TX_CTRL_TX_EX) - - -/* ca. 1 usec */ -#define HFA384X_CMD_BUSY_TIMEOUT 5000 -#define HFA384X_BAP_BUSY_TIMEOUT 50000 - -/* ca. 10 usec */ -#define HFA384X_CMD_COMPL_TIMEOUT 20000 -#define HFA384X_DL_COMPL_TIMEOUT 1000000 - -/* Wait times for initialization; yield to other processes to avoid busy - * waiting for long time. */ -#define HFA384X_INIT_TIMEOUT (HZ / 2) /* 500 ms */ -#define HFA384X_ALLOC_COMPL_TIMEOUT (HZ / 20) /* 50 ms */ - - -static void prism2_hw_reset(struct net_device *dev); -static void prism2_check_sta_fw_version(local_info_t *local); - -#ifdef PRISM2_DOWNLOAD_SUPPORT -/* hostap_download.c */ -static const struct file_operations prism2_download_aux_dump_proc_fops; -static u8 * prism2_read_pda(struct net_device *dev); -static int prism2_download(local_info_t *local, - struct prism2_download_param *param); -static void prism2_download_free_data(struct prism2_download_data *dl); -static int prism2_download_volatile(local_info_t *local, - struct prism2_download_data *param); -static int prism2_download_genesis(local_info_t *local, - struct prism2_download_data *param); -static int prism2_get_ram_size(local_info_t *local); -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - - - - -#ifndef final_version -/* magic value written to SWSUPPORT0 reg. for detecting whether card is still - * present */ -#define HFA384X_MAGIC 0x8A32 -#endif - - -static u16 hfa384x_read_reg(struct net_device *dev, u16 reg) -{ - return HFA384X_INW(reg); -} - - -static void hfa384x_read_regs(struct net_device *dev, - struct hfa384x_regs *regs) -{ - regs->cmd = HFA384X_INW(HFA384X_CMD_OFF); - regs->evstat = HFA384X_INW(HFA384X_EVSTAT_OFF); - regs->offset0 = HFA384X_INW(HFA384X_OFFSET0_OFF); - regs->offset1 = HFA384X_INW(HFA384X_OFFSET1_OFF); - regs->swsupport0 = HFA384X_INW(HFA384X_SWSUPPORT0_OFF); -} - - -/** - * __hostap_cmd_queue_free - Free Prism2 command queue entry (private) - * @local: pointer to private Host AP driver data - * @entry: Prism2 command queue entry to be freed - * @del_req: request the entry to be removed - * - * Internal helper function for freeing Prism2 command queue entries. - * Caller must have acquired local->cmdlock before calling this function. - */ -static inline void __hostap_cmd_queue_free(local_info_t *local, - struct hostap_cmd_queue *entry, - int del_req) -{ - if (del_req) { - entry->del_req = 1; - if (!list_empty(&entry->list)) { - list_del_init(&entry->list); - local->cmd_queue_len--; - } - } - - if (atomic_dec_and_test(&entry->usecnt) && entry->del_req) - kfree(entry); -} - - -/** - * hostap_cmd_queue_free - Free Prism2 command queue entry - * @local: pointer to private Host AP driver data - * @entry: Prism2 command queue entry to be freed - * @del_req: request the entry to be removed - * - * Free a Prism2 command queue entry. - */ -static inline void hostap_cmd_queue_free(local_info_t *local, - struct hostap_cmd_queue *entry, - int del_req) -{ - unsigned long flags; - - spin_lock_irqsave(&local->cmdlock, flags); - __hostap_cmd_queue_free(local, entry, del_req); - spin_unlock_irqrestore(&local->cmdlock, flags); -} - - -/** - * prism2_clear_cmd_queue - Free all pending Prism2 command queue entries - * @local: pointer to private Host AP driver data - */ -static void prism2_clear_cmd_queue(local_info_t *local) -{ - struct list_head *ptr, *n; - unsigned long flags; - struct hostap_cmd_queue *entry; - - spin_lock_irqsave(&local->cmdlock, flags); - list_for_each_safe(ptr, n, &local->cmd_queue) { - entry = list_entry(ptr, struct hostap_cmd_queue, list); - atomic_inc(&entry->usecnt); - printk(KERN_DEBUG "%s: removed pending cmd_queue entry " - "(type=%d, cmd=0x%04x, param0=0x%04x)\n", - local->dev->name, entry->type, entry->cmd, - entry->param0); - __hostap_cmd_queue_free(local, entry, 1); - } - if (local->cmd_queue_len) { - /* This should not happen; print debug message and clear - * queue length. */ - printk(KERN_DEBUG "%s: cmd_queue_len (%d) not zero after " - "flush\n", local->dev->name, local->cmd_queue_len); - local->cmd_queue_len = 0; - } - spin_unlock_irqrestore(&local->cmdlock, flags); -} - - -/** - * hfa384x_cmd_issue - Issue a Prism2 command to the hardware - * @dev: pointer to net_device - * @entry: Prism2 command queue entry to be issued - */ -static int hfa384x_cmd_issue(struct net_device *dev, - struct hostap_cmd_queue *entry) -{ - struct hostap_interface *iface; - local_info_t *local; - int tries; - u16 reg; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->card_present && !local->func->card_present(local)) - return -ENODEV; - - if (entry->issued) { - printk(KERN_DEBUG "%s: driver bug - re-issuing command @%p\n", - dev->name, entry); - } - - /* wait until busy bit is clear; this should always be clear since the - * commands are serialized */ - tries = HFA384X_CMD_BUSY_TIMEOUT; - while (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY && tries > 0) { - tries--; - udelay(1); - } -#ifndef final_version - if (tries != HFA384X_CMD_BUSY_TIMEOUT) { - prism2_io_debug_error(dev, 1); - printk(KERN_DEBUG "%s: hfa384x_cmd_issue: cmd reg was busy " - "for %d usec\n", dev->name, - HFA384X_CMD_BUSY_TIMEOUT - tries); - } -#endif - if (tries == 0) { - reg = HFA384X_INW(HFA384X_CMD_OFF); - prism2_io_debug_error(dev, 2); - printk(KERN_DEBUG "%s: hfa384x_cmd_issue - timeout - " - "reg=0x%04x\n", dev->name, reg); - return -ETIMEDOUT; - } - - /* write command */ - spin_lock_irqsave(&local->cmdlock, flags); - HFA384X_OUTW(entry->param0, HFA384X_PARAM0_OFF); - HFA384X_OUTW(entry->param1, HFA384X_PARAM1_OFF); - HFA384X_OUTW(entry->cmd, HFA384X_CMD_OFF); - entry->issued = 1; - spin_unlock_irqrestore(&local->cmdlock, flags); - - return 0; -} - - -/** - * hfa384x_cmd - Issue a Prism2 command and wait (sleep) for completion - * @dev: pointer to net_device - * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) - * @param0: value for Param0 register - * @param1: value for Param1 register (pointer; %NULL if not used) - * @resp0: pointer for Resp0 data or %NULL if Resp0 is not needed - * - * Issue given command (possibly after waiting in command queue) and sleep - * until the command is completed (or timed out or interrupted). This can be - * called only from user process context. - */ -static int hfa384x_cmd(struct net_device *dev, u16 cmd, u16 param0, - u16 *param1, u16 *resp0) -{ - struct hostap_interface *iface; - local_info_t *local; - int err, res, issue, issued = 0; - unsigned long flags; - struct hostap_cmd_queue *entry; - DECLARE_WAITQUEUE(wait, current); - - iface = netdev_priv(dev); - local = iface->local; - - if (in_interrupt()) { - printk(KERN_DEBUG "%s: hfa384x_cmd called from interrupt " - "context\n", dev->name); - return -1; - } - - if (local->cmd_queue_len >= HOSTAP_CMD_QUEUE_MAX_LEN) { - printk(KERN_DEBUG "%s: hfa384x_cmd: cmd_queue full\n", - dev->name); - return -1; - } - - if (signal_pending(current)) - return -EINTR; - - entry = kzalloc(sizeof(*entry), GFP_ATOMIC); - if (entry == NULL) - return -ENOMEM; - - atomic_set(&entry->usecnt, 1); - entry->type = CMD_SLEEP; - entry->cmd = cmd; - entry->param0 = param0; - if (param1) - entry->param1 = *param1; - init_waitqueue_head(&entry->compl); - - /* prepare to wait for command completion event, but do not sleep yet - */ - add_wait_queue(&entry->compl, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - spin_lock_irqsave(&local->cmdlock, flags); - issue = list_empty(&local->cmd_queue); - if (issue) - entry->issuing = 1; - list_add_tail(&entry->list, &local->cmd_queue); - local->cmd_queue_len++; - spin_unlock_irqrestore(&local->cmdlock, flags); - - err = 0; - if (!issue) - goto wait_completion; - - if (signal_pending(current)) - err = -EINTR; - - if (!err) { - if (hfa384x_cmd_issue(dev, entry)) - err = -ETIMEDOUT; - else - issued = 1; - } - - wait_completion: - if (!err && entry->type != CMD_COMPLETED) { - /* sleep until command is completed or timed out */ - res = schedule_timeout(2 * HZ); - } else - res = -1; - - if (!err && signal_pending(current)) - err = -EINTR; - - if (err && issued) { - /* the command was issued, so a CmdCompl event should occur - * soon; however, there's a pending signal and - * schedule_timeout() would be interrupted; wait a short period - * of time to avoid removing entry from the list before - * CmdCompl event */ - udelay(300); - } - - set_current_state(TASK_RUNNING); - remove_wait_queue(&entry->compl, &wait); - - /* If entry->list is still in the list, it must be removed - * first and in this case prism2_cmd_ev() does not yet have - * local reference to it, and the data can be kfree()'d - * here. If the command completion event is still generated, - * it will be assigned to next (possibly) pending command, but - * the driver will reset the card anyway due to timeout - * - * If the entry is not in the list prism2_cmd_ev() has a local - * reference to it, but keeps cmdlock as long as the data is - * needed, so the data can be kfree()'d here. */ - - /* FIX: if the entry->list is in the list, it has not been completed - * yet, so removing it here is somewhat wrong.. this could cause - * references to freed memory and next list_del() causing NULL pointer - * dereference.. it would probably be better to leave the entry in the - * list and the list should be emptied during hw reset */ - - spin_lock_irqsave(&local->cmdlock, flags); - if (!list_empty(&entry->list)) { - printk(KERN_DEBUG "%s: hfa384x_cmd: entry still in list? " - "(entry=%p, type=%d, res=%d)\n", dev->name, entry, - entry->type, res); - list_del_init(&entry->list); - local->cmd_queue_len--; - } - spin_unlock_irqrestore(&local->cmdlock, flags); - - if (err) { - printk(KERN_DEBUG "%s: hfa384x_cmd: interrupted; err=%d\n", - dev->name, err); - res = err; - goto done; - } - - if (entry->type != CMD_COMPLETED) { - u16 reg = HFA384X_INW(HFA384X_EVSTAT_OFF); - printk(KERN_DEBUG "%s: hfa384x_cmd: command was not " - "completed (res=%d, entry=%p, type=%d, cmd=0x%04x, " - "param0=0x%04x, EVSTAT=%04x INTEN=%04x)\n", dev->name, - res, entry, entry->type, entry->cmd, entry->param0, reg, - HFA384X_INW(HFA384X_INTEN_OFF)); - if (reg & HFA384X_EV_CMD) { - /* Command completion event is pending, but the - * interrupt was not delivered - probably an issue - * with pcmcia-cs configuration. */ - printk(KERN_WARNING "%s: interrupt delivery does not " - "seem to work\n", dev->name); - } - prism2_io_debug_error(dev, 3); - res = -ETIMEDOUT; - goto done; - } - - if (resp0 != NULL) - *resp0 = entry->resp0; -#ifndef final_version - if (entry->res) { - printk(KERN_DEBUG "%s: CMD=0x%04x => res=0x%02x, " - "resp0=0x%04x\n", - dev->name, cmd, entry->res, entry->resp0); - } -#endif /* final_version */ - - res = entry->res; - done: - hostap_cmd_queue_free(local, entry, 1); - return res; -} - - -/** - * hfa384x_cmd_callback - Issue a Prism2 command; callback when completed - * @dev: pointer to net_device - * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) - * @param0: value for Param0 register - * @callback: command completion callback function (%NULL = no callback) - * @context: context data to be given to the callback function - * - * Issue given command (possibly after waiting in command queue) and use - * callback function to indicate command completion. This can be called both - * from user and interrupt context. The callback function will be called in - * hardware IRQ context. It can be %NULL, when no function is called when - * command is completed. - */ -static int hfa384x_cmd_callback(struct net_device *dev, u16 cmd, u16 param0, - void (*callback)(struct net_device *dev, - long context, u16 resp0, - u16 status), - long context) -{ - struct hostap_interface *iface; - local_info_t *local; - int issue, ret; - unsigned long flags; - struct hostap_cmd_queue *entry; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->cmd_queue_len >= HOSTAP_CMD_QUEUE_MAX_LEN + 2) { - printk(KERN_DEBUG "%s: hfa384x_cmd: cmd_queue full\n", - dev->name); - return -1; - } - - entry = kzalloc(sizeof(*entry), GFP_ATOMIC); - if (entry == NULL) - return -ENOMEM; - - atomic_set(&entry->usecnt, 1); - entry->type = CMD_CALLBACK; - entry->cmd = cmd; - entry->param0 = param0; - entry->callback = callback; - entry->context = context; - - spin_lock_irqsave(&local->cmdlock, flags); - issue = list_empty(&local->cmd_queue); - if (issue) - entry->issuing = 1; - list_add_tail(&entry->list, &local->cmd_queue); - local->cmd_queue_len++; - spin_unlock_irqrestore(&local->cmdlock, flags); - - if (issue && hfa384x_cmd_issue(dev, entry)) - ret = -ETIMEDOUT; - else - ret = 0; - - hostap_cmd_queue_free(local, entry, ret); - - return ret; -} - - -/** - * __hfa384x_cmd_no_wait - Issue a Prism2 command (private) - * @dev: pointer to net_device - * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) - * @param0: value for Param0 register - * @io_debug_num: I/O debug error number - * - * Shared helper function for hfa384x_cmd_wait() and hfa384x_cmd_no_wait(). - */ -static int __hfa384x_cmd_no_wait(struct net_device *dev, u16 cmd, u16 param0, - int io_debug_num) -{ - int tries; - u16 reg; - - /* wait until busy bit is clear; this should always be clear since the - * commands are serialized */ - tries = HFA384X_CMD_BUSY_TIMEOUT; - while (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY && tries > 0) { - tries--; - udelay(1); - } - if (tries == 0) { - reg = HFA384X_INW(HFA384X_CMD_OFF); - prism2_io_debug_error(dev, io_debug_num); - printk(KERN_DEBUG "%s: __hfa384x_cmd_no_wait(%d) - timeout - " - "reg=0x%04x\n", dev->name, io_debug_num, reg); - return -ETIMEDOUT; - } - - /* write command */ - HFA384X_OUTW(param0, HFA384X_PARAM0_OFF); - HFA384X_OUTW(cmd, HFA384X_CMD_OFF); - - return 0; -} - - -/** - * hfa384x_cmd_wait - Issue a Prism2 command and busy wait for completion - * @dev: pointer to net_device - * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) - * @param0: value for Param0 register - */ -static int hfa384x_cmd_wait(struct net_device *dev, u16 cmd, u16 param0) -{ - int res, tries; - u16 reg; - - res = __hfa384x_cmd_no_wait(dev, cmd, param0, 4); - if (res) - return res; - - /* wait for command completion */ - if ((cmd & HFA384X_CMDCODE_MASK) == HFA384X_CMDCODE_DOWNLOAD) - tries = HFA384X_DL_COMPL_TIMEOUT; - else - tries = HFA384X_CMD_COMPL_TIMEOUT; - - while (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD) && - tries > 0) { - tries--; - udelay(10); - } - if (tries == 0) { - reg = HFA384X_INW(HFA384X_EVSTAT_OFF); - prism2_io_debug_error(dev, 5); - printk(KERN_DEBUG "%s: hfa384x_cmd_wait - timeout2 - " - "reg=0x%04x\n", dev->name, reg); - return -ETIMEDOUT; - } - - res = (HFA384X_INW(HFA384X_STATUS_OFF) & - (BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | BIT(9) | - BIT(8))) >> 8; -#ifndef final_version - if (res) { - printk(KERN_DEBUG "%s: CMD=0x%04x => res=0x%02x\n", - dev->name, cmd, res); - } -#endif - - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); - - return res; -} - - -/** - * hfa384x_cmd_no_wait - Issue a Prism2 command; do not wait for completion - * @dev: pointer to net_device - * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) - * @param0: value for Param0 register - */ -static inline int hfa384x_cmd_no_wait(struct net_device *dev, u16 cmd, - u16 param0) -{ - return __hfa384x_cmd_no_wait(dev, cmd, param0, 6); -} - - -/** - * prism2_cmd_ev - Prism2 command completion event handler - * @dev: pointer to net_device - * - * Interrupt handler for command completion events. Called by the main - * interrupt handler in hardware IRQ context. Read Resp0 and status registers - * from the hardware and ACK the event. Depending on the issued command type - * either wake up the sleeping process that is waiting for command completion - * or call the callback function. Issue the next command, if one is pending. - */ -static void prism2_cmd_ev(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hostap_cmd_queue *entry = NULL; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock(&local->cmdlock); - if (!list_empty(&local->cmd_queue)) { - entry = list_entry(local->cmd_queue.next, - struct hostap_cmd_queue, list); - atomic_inc(&entry->usecnt); - list_del_init(&entry->list); - local->cmd_queue_len--; - - if (!entry->issued) { - printk(KERN_DEBUG "%s: Command completion event, but " - "cmd not issued\n", dev->name); - __hostap_cmd_queue_free(local, entry, 1); - entry = NULL; - } - } - spin_unlock(&local->cmdlock); - - if (!entry) { - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); - printk(KERN_DEBUG "%s: Command completion event, but no " - "pending commands\n", dev->name); - return; - } - - entry->resp0 = HFA384X_INW(HFA384X_RESP0_OFF); - entry->res = (HFA384X_INW(HFA384X_STATUS_OFF) & - (BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | - BIT(9) | BIT(8))) >> 8; - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); - - /* TODO: rest of the CmdEv handling could be moved to tasklet */ - if (entry->type == CMD_SLEEP) { - entry->type = CMD_COMPLETED; - wake_up_interruptible(&entry->compl); - } else if (entry->type == CMD_CALLBACK) { - if (entry->callback) - entry->callback(dev, entry->context, entry->resp0, - entry->res); - } else { - printk(KERN_DEBUG "%s: Invalid command completion type %d\n", - dev->name, entry->type); - } - hostap_cmd_queue_free(local, entry, 1); - - /* issue next command, if pending */ - entry = NULL; - spin_lock(&local->cmdlock); - if (!list_empty(&local->cmd_queue)) { - entry = list_entry(local->cmd_queue.next, - struct hostap_cmd_queue, list); - if (entry->issuing) { - /* hfa384x_cmd() has already started issuing this - * command, so do not start here */ - entry = NULL; - } - if (entry) - atomic_inc(&entry->usecnt); - } - spin_unlock(&local->cmdlock); - - if (entry) { - /* issue next command; if command issuing fails, remove the - * entry from cmd_queue */ - int res = hfa384x_cmd_issue(dev, entry); - spin_lock(&local->cmdlock); - __hostap_cmd_queue_free(local, entry, res); - spin_unlock(&local->cmdlock); - } -} - - -static int hfa384x_wait_offset(struct net_device *dev, u16 o_off) -{ - int tries = HFA384X_BAP_BUSY_TIMEOUT; - int res = HFA384X_INW(o_off) & HFA384X_OFFSET_BUSY; - - while (res && tries > 0) { - tries--; - udelay(1); - res = HFA384X_INW(o_off) & HFA384X_OFFSET_BUSY; - } - return res; -} - - -/* Offset must be even */ -static int hfa384x_setup_bap(struct net_device *dev, u16 bap, u16 id, - int offset) -{ - u16 o_off, s_off; - int ret = 0; - - if (offset % 2 || bap > 1) - return -EINVAL; - - if (bap == BAP1) { - o_off = HFA384X_OFFSET1_OFF; - s_off = HFA384X_SELECT1_OFF; - } else { - o_off = HFA384X_OFFSET0_OFF; - s_off = HFA384X_SELECT0_OFF; - } - - if (hfa384x_wait_offset(dev, o_off)) { - prism2_io_debug_error(dev, 7); - printk(KERN_DEBUG "%s: hfa384x_setup_bap - timeout before\n", - dev->name); - ret = -ETIMEDOUT; - goto out; - } - - HFA384X_OUTW(id, s_off); - HFA384X_OUTW(offset, o_off); - - if (hfa384x_wait_offset(dev, o_off)) { - prism2_io_debug_error(dev, 8); - printk(KERN_DEBUG "%s: hfa384x_setup_bap - timeout after\n", - dev->name); - ret = -ETIMEDOUT; - goto out; - } -#ifndef final_version - if (HFA384X_INW(o_off) & HFA384X_OFFSET_ERR) { - prism2_io_debug_error(dev, 9); - printk(KERN_DEBUG "%s: hfa384x_setup_bap - offset error " - "(%d,0x04%x,%d); reg=0x%04x\n", - dev->name, bap, id, offset, HFA384X_INW(o_off)); - ret = -EINVAL; - } -#endif - - out: - return ret; -} - - -static int hfa384x_get_rid(struct net_device *dev, u16 rid, void *buf, int len, - int exact_len) -{ - struct hostap_interface *iface; - local_info_t *local; - int res, rlen = 0; - struct hfa384x_rid_hdr rec; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->no_pri) { - printk(KERN_DEBUG "%s: cannot get RID %04x (len=%d) - no PRI " - "f/w\n", dev->name, rid, len); - return -ENOTTY; /* Well.. not really correct, but return - * something unique enough.. */ - } - - if ((local->func->card_present && !local->func->card_present(local)) || - local->hw_downloading) - return -ENODEV; - - res = mutex_lock_interruptible(&local->rid_bap_mtx); - if (res) - return res; - - res = hfa384x_cmd(dev, HFA384X_CMDCODE_ACCESS, rid, NULL, NULL); - if (res) { - printk(KERN_DEBUG "%s: hfa384x_get_rid: CMDCODE_ACCESS failed " - "(res=%d, rid=%04x, len=%d)\n", - dev->name, res, rid, len); - mutex_unlock(&local->rid_bap_mtx); - return res; - } - - spin_lock_bh(&local->baplock); - - res = hfa384x_setup_bap(dev, BAP0, rid, 0); - if (!res) - res = hfa384x_from_bap(dev, BAP0, &rec, sizeof(rec)); - - if (le16_to_cpu(rec.len) == 0) { - /* RID not available */ - res = -ENODATA; - } - - rlen = (le16_to_cpu(rec.len) - 1) * 2; - if (!res && exact_len && rlen != len) { - printk(KERN_DEBUG "%s: hfa384x_get_rid - RID len mismatch: " - "rid=0x%04x, len=%d (expected %d)\n", - dev->name, rid, rlen, len); - res = -ENODATA; - } - - if (!res) - res = hfa384x_from_bap(dev, BAP0, buf, len); - - spin_unlock_bh(&local->baplock); - mutex_unlock(&local->rid_bap_mtx); - - if (res) { - if (res != -ENODATA) - printk(KERN_DEBUG "%s: hfa384x_get_rid (rid=%04x, " - "len=%d) - failed - res=%d\n", dev->name, rid, - len, res); - if (res == -ETIMEDOUT) - prism2_hw_reset(dev); - return res; - } - - return rlen; -} - - -static int hfa384x_set_rid(struct net_device *dev, u16 rid, void *buf, int len) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_rid_hdr rec; - int res; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->no_pri) { - printk(KERN_DEBUG "%s: cannot set RID %04x (len=%d) - no PRI " - "f/w\n", dev->name, rid, len); - return -ENOTTY; /* Well.. not really correct, but return - * something unique enough.. */ - } - - if ((local->func->card_present && !local->func->card_present(local)) || - local->hw_downloading) - return -ENODEV; - - rec.rid = cpu_to_le16(rid); - /* RID len in words and +1 for rec.rid */ - rec.len = cpu_to_le16(len / 2 + len % 2 + 1); - - res = mutex_lock_interruptible(&local->rid_bap_mtx); - if (res) - return res; - - spin_lock_bh(&local->baplock); - res = hfa384x_setup_bap(dev, BAP0, rid, 0); - if (!res) - res = hfa384x_to_bap(dev, BAP0, &rec, sizeof(rec)); - if (!res) - res = hfa384x_to_bap(dev, BAP0, buf, len); - spin_unlock_bh(&local->baplock); - - if (res) { - printk(KERN_DEBUG "%s: hfa384x_set_rid (rid=%04x, len=%d) - " - "failed - res=%d\n", dev->name, rid, len, res); - mutex_unlock(&local->rid_bap_mtx); - return res; - } - - res = hfa384x_cmd(dev, HFA384X_CMDCODE_ACCESS_WRITE, rid, NULL, NULL); - mutex_unlock(&local->rid_bap_mtx); - - if (res) { - printk(KERN_DEBUG "%s: hfa384x_set_rid: CMDCODE_ACCESS_WRITE " - "failed (res=%d, rid=%04x, len=%d)\n", - dev->name, res, rid, len); - - if (res == -ETIMEDOUT) - prism2_hw_reset(dev); - } - - return res; -} - - -static void hfa384x_disable_interrupts(struct net_device *dev) -{ - /* disable interrupts and clear event status */ - HFA384X_OUTW(0, HFA384X_INTEN_OFF); - HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); -} - - -static void hfa384x_enable_interrupts(struct net_device *dev) -{ - /* ack pending events and enable interrupts from selected events */ - HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); - HFA384X_OUTW(HFA384X_EVENT_MASK, HFA384X_INTEN_OFF); -} - - -static void hfa384x_events_no_bap0(struct net_device *dev) -{ - HFA384X_OUTW(HFA384X_EVENT_MASK & ~HFA384X_BAP0_EVENTS, - HFA384X_INTEN_OFF); -} - - -static void hfa384x_events_all(struct net_device *dev) -{ - HFA384X_OUTW(HFA384X_EVENT_MASK, HFA384X_INTEN_OFF); -} - - -static void hfa384x_events_only_cmd(struct net_device *dev) -{ - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_INTEN_OFF); -} - - -static u16 hfa384x_allocate_fid(struct net_device *dev, int len) -{ - u16 fid; - unsigned long delay; - - /* FIX: this could be replace with hfa384x_cmd() if the Alloc event - * below would be handled like CmdCompl event (sleep here, wake up from - * interrupt handler */ - if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_ALLOC, len)) { - printk(KERN_DEBUG "%s: cannot allocate fid, len=%d\n", - dev->name, len); - return 0xffff; - } - - delay = jiffies + HFA384X_ALLOC_COMPL_TIMEOUT; - while (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_ALLOC) && - time_before(jiffies, delay)) - yield(); - if (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_ALLOC)) { - printk("%s: fid allocate, len=%d - timeout\n", dev->name, len); - return 0xffff; - } - - fid = HFA384X_INW(HFA384X_ALLOCFID_OFF); - HFA384X_OUTW(HFA384X_EV_ALLOC, HFA384X_EVACK_OFF); - - return fid; -} - - -static int prism2_reset_port(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - int res; - - iface = netdev_priv(dev); - local = iface->local; - - if (!local->dev_enabled) - return 0; - - res = hfa384x_cmd(dev, HFA384X_CMDCODE_DISABLE, 0, - NULL, NULL); - if (res) - printk(KERN_DEBUG "%s: reset port failed to disable port\n", - dev->name); - else { - res = hfa384x_cmd(dev, HFA384X_CMDCODE_ENABLE, 0, - NULL, NULL); - if (res) - printk(KERN_DEBUG "%s: reset port failed to enable " - "port\n", dev->name); - } - - /* It looks like at least some STA firmware versions reset - * fragmentation threshold back to 2346 after enable command. Restore - * the configured value, if it differs from this default. */ - if (local->fragm_threshold != 2346 && - hostap_set_word(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, - local->fragm_threshold)) { - printk(KERN_DEBUG "%s: failed to restore fragmentation " - "threshold (%d) after Port0 enable\n", - dev->name, local->fragm_threshold); - } - - /* Some firmwares lose antenna selection settings on reset */ - (void) hostap_set_antsel(local); - - return res; -} - - -static int prism2_get_version_info(struct net_device *dev, u16 rid, - const char *txt) -{ - struct hfa384x_comp_ident comp; - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->no_pri) { - /* PRI f/w not yet available - cannot read RIDs */ - return -1; - } - if (hfa384x_get_rid(dev, rid, &comp, sizeof(comp), 1) < 0) { - printk(KERN_DEBUG "Could not get RID for component %s\n", txt); - return -1; - } - - printk(KERN_INFO "%s: %s: id=0x%02x v%d.%d.%d\n", dev->name, txt, - __le16_to_cpu(comp.id), __le16_to_cpu(comp.major), - __le16_to_cpu(comp.minor), __le16_to_cpu(comp.variant)); - return 0; -} - - -static int prism2_setup_rids(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 tmp; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - hostap_set_word(dev, HFA384X_RID_TICKTIME, 2000); - - if (!local->fw_ap) { - u16 tmp1 = hostap_get_porttype(local); - ret = hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, tmp1); - if (ret) { - printk("%s: Port type setting to %d failed\n", - dev->name, tmp1); - goto fail; - } - } - - /* Setting SSID to empty string seems to kill the card in Host AP mode - */ - if (local->iw_mode != IW_MODE_MASTER || local->essid[0] != '\0') { - ret = hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, - local->essid); - if (ret) { - printk("%s: AP own SSID setting failed\n", dev->name); - goto fail; - } - } - - ret = hostap_set_word(dev, HFA384X_RID_CNFMAXDATALEN, - PRISM2_DATA_MAXLEN); - if (ret) { - printk("%s: MAC data length setting to %d failed\n", - dev->name, PRISM2_DATA_MAXLEN); - goto fail; - } - - if (hfa384x_get_rid(dev, HFA384X_RID_CHANNELLIST, &tmp, 2, 1) < 0) { - printk("%s: Channel list read failed\n", dev->name); - ret = -EINVAL; - goto fail; - } - local->channel_mask = le16_to_cpu(tmp); - - if (local->channel < 1 || local->channel > 14 || - !(local->channel_mask & (1 << (local->channel - 1)))) { - printk(KERN_WARNING "%s: Channel setting out of range " - "(%d)!\n", dev->name, local->channel); - ret = -EBUSY; - goto fail; - } - - ret = hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel); - if (ret) { - printk("%s: Channel setting to %d failed\n", - dev->name, local->channel); - goto fail; - } - - ret = hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, - local->beacon_int); - if (ret) { - printk("%s: Beacon interval setting to %d failed\n", - dev->name, local->beacon_int); - /* this may fail with Symbol/Lucent firmware */ - if (ret == -ETIMEDOUT) - goto fail; - } - - ret = hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, - local->dtim_period); - if (ret) { - printk("%s: DTIM period setting to %d failed\n", - dev->name, local->dtim_period); - /* this may fail with Symbol/Lucent firmware */ - if (ret == -ETIMEDOUT) - goto fail; - } - - ret = hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, - local->is_promisc); - if (ret) - printk(KERN_INFO "%s: Setting promiscuous mode (%d) failed\n", - dev->name, local->is_promisc); - - if (!local->fw_ap) { - ret = hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, - local->essid); - if (ret) { - printk("%s: Desired SSID setting failed\n", dev->name); - goto fail; - } - } - - /* Setup TXRateControl, defaults to allow use of 1, 2, 5.5, and - * 11 Mbps in automatic TX rate fallback and 1 and 2 Mbps as basic - * rates */ - if (local->tx_rate_control == 0) { - local->tx_rate_control = - HFA384X_RATES_1MBPS | - HFA384X_RATES_2MBPS | - HFA384X_RATES_5MBPS | - HFA384X_RATES_11MBPS; - } - if (local->basic_rates == 0) - local->basic_rates = HFA384X_RATES_1MBPS | HFA384X_RATES_2MBPS; - - if (!local->fw_ap) { - ret = hostap_set_word(dev, HFA384X_RID_TXRATECONTROL, - local->tx_rate_control); - if (ret) { - printk("%s: TXRateControl setting to %d failed\n", - dev->name, local->tx_rate_control); - goto fail; - } - - ret = hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES, - local->tx_rate_control); - if (ret) { - printk("%s: cnfSupportedRates setting to %d failed\n", - dev->name, local->tx_rate_control); - } - - ret = hostap_set_word(dev, HFA384X_RID_CNFBASICRATES, - local->basic_rates); - if (ret) { - printk("%s: cnfBasicRates setting to %d failed\n", - dev->name, local->basic_rates); - } - - ret = hostap_set_word(dev, HFA384X_RID_CREATEIBSS, 1); - if (ret) { - printk("%s: Create IBSS setting to 1 failed\n", - dev->name); - } - } - - if (local->name_set) - (void) hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, - local->name); - - if (hostap_set_encryption(local)) { - printk(KERN_INFO "%s: could not configure encryption\n", - dev->name); - } - - (void) hostap_set_antsel(local); - - if (hostap_set_roaming(local)) { - printk(KERN_INFO "%s: could not set host roaming\n", - dev->name); - } - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,6,3) && - hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY, local->enh_sec)) - printk(KERN_INFO "%s: cnfEnhSecurity setting to 0x%x failed\n", - dev->name, local->enh_sec); - - /* 32-bit tallies were added in STA f/w 0.8.0, but they were apparently - * not working correctly (last seven counters report bogus values). - * This has been fixed in 0.8.2, so enable 32-bit tallies only - * beginning with that firmware version. Another bug fix for 32-bit - * tallies in 1.4.0; should 16-bit tallies be used for some other - * versions, too? */ - if (local->sta_fw_ver >= PRISM2_FW_VER(0,8,2)) { - if (hostap_set_word(dev, HFA384X_RID_CNFTHIRTY2TALLY, 1)) { - printk(KERN_INFO "%s: cnfThirty2Tally setting " - "failed\n", dev->name); - local->tallies32 = 0; - } else - local->tallies32 = 1; - } else - local->tallies32 = 0; - - hostap_set_auth_algs(local); - - if (hostap_set_word(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, - local->fragm_threshold)) { - printk(KERN_INFO "%s: setting FragmentationThreshold to %d " - "failed\n", dev->name, local->fragm_threshold); - } - - if (hostap_set_word(dev, HFA384X_RID_RTSTHRESHOLD, - local->rts_threshold)) { - printk(KERN_INFO "%s: setting RTSThreshold to %d failed\n", - dev->name, local->rts_threshold); - } - - if (local->manual_retry_count >= 0 && - hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT, - local->manual_retry_count)) { - printk(KERN_INFO "%s: setting cnfAltRetryCount to %d failed\n", - dev->name, local->manual_retry_count); - } - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1) && - hfa384x_get_rid(dev, HFA384X_RID_CNFDBMADJUST, &tmp, 2, 1) == 2) { - local->rssi_to_dBm = le16_to_cpu(tmp); - } - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,7,0) && local->wpa && - hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1)) { - printk(KERN_INFO "%s: setting ssnHandlingMode to 1 failed\n", - dev->name); - } - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,7,0) && local->generic_elem && - hfa384x_set_rid(dev, HFA384X_RID_GENERICELEMENT, - local->generic_elem, local->generic_elem_len)) { - printk(KERN_INFO "%s: setting genericElement failed\n", - dev->name); - } - - fail: - return ret; -} - - -static int prism2_hw_init(struct net_device *dev, int initial) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret, first = 1; - unsigned long start, delay; - - PDEBUG(DEBUG_FLOW, "prism2_hw_init()\n"); - - iface = netdev_priv(dev); - local = iface->local; - - clear_bit(HOSTAP_BITS_TRANSMIT, &local->bits); - - init: - /* initialize HFA 384x */ - ret = hfa384x_cmd_no_wait(dev, HFA384X_CMDCODE_INIT, 0); - if (ret) { - printk(KERN_INFO "%s: first command failed - assuming card " - "does not have primary firmware\n", dev_info); - } - - if (first && (HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD)) { - /* EvStat has Cmd bit set in some cases, so retry once if no - * wait was needed */ - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); - printk(KERN_DEBUG "%s: init command completed too quickly - " - "retrying\n", dev->name); - first = 0; - goto init; - } - - start = jiffies; - delay = jiffies + HFA384X_INIT_TIMEOUT; - while (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD) && - time_before(jiffies, delay)) - yield(); - if (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD)) { - printk(KERN_DEBUG "%s: assuming no Primary image in " - "flash - card initialization not completed\n", - dev_info); - local->no_pri = 1; -#ifdef PRISM2_DOWNLOAD_SUPPORT - if (local->sram_type == -1) - local->sram_type = prism2_get_ram_size(local); -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - return 1; - } - local->no_pri = 0; - printk(KERN_DEBUG "prism2_hw_init: initialized in %lu ms\n", - (jiffies - start) * 1000 / HZ); - HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); - return 0; -} - - -static int prism2_hw_init2(struct net_device *dev, int initial) -{ - struct hostap_interface *iface; - local_info_t *local; - int i; - - iface = netdev_priv(dev); - local = iface->local; - -#ifdef PRISM2_DOWNLOAD_SUPPORT - kfree(local->pda); - if (local->no_pri) - local->pda = NULL; - else - local->pda = prism2_read_pda(dev); -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - - hfa384x_disable_interrupts(dev); - -#ifndef final_version - HFA384X_OUTW(HFA384X_MAGIC, HFA384X_SWSUPPORT0_OFF); - if (HFA384X_INW(HFA384X_SWSUPPORT0_OFF) != HFA384X_MAGIC) { - printk("SWSUPPORT0 write/read failed: %04X != %04X\n", - HFA384X_INW(HFA384X_SWSUPPORT0_OFF), HFA384X_MAGIC); - goto failed; - } -#endif - - if (initial || local->pri_only) { - hfa384x_events_only_cmd(dev); - /* get card version information */ - if (prism2_get_version_info(dev, HFA384X_RID_NICID, "NIC") || - prism2_get_version_info(dev, HFA384X_RID_PRIID, "PRI")) { - hfa384x_disable_interrupts(dev); - goto failed; - } - - if (prism2_get_version_info(dev, HFA384X_RID_STAID, "STA")) { - printk(KERN_DEBUG "%s: Failed to read STA f/w version " - "- only Primary f/w present\n", dev->name); - local->pri_only = 1; - return 0; - } - local->pri_only = 0; - hfa384x_disable_interrupts(dev); - } - - /* FIX: could convert allocate_fid to use sleeping CmdCompl wait and - * enable interrupts before this. This would also require some sort of - * sleeping AllocEv waiting */ - - /* allocate TX FIDs */ - local->txfid_len = PRISM2_TXFID_LEN; - for (i = 0; i < PRISM2_TXFID_COUNT; i++) { - local->txfid[i] = hfa384x_allocate_fid(dev, local->txfid_len); - if (local->txfid[i] == 0xffff && local->txfid_len > 1600) { - local->txfid[i] = hfa384x_allocate_fid(dev, 1600); - if (local->txfid[i] != 0xffff) { - printk(KERN_DEBUG "%s: Using shorter TX FID " - "(1600 bytes)\n", dev->name); - local->txfid_len = 1600; - } - } - if (local->txfid[i] == 0xffff) - goto failed; - local->intransmitfid[i] = PRISM2_TXFID_EMPTY; - } - - hfa384x_events_only_cmd(dev); - - if (initial) { - struct list_head *ptr; - prism2_check_sta_fw_version(local); - - if (hfa384x_get_rid(dev, HFA384X_RID_CNFOWNMACADDR, - dev->dev_addr, 6, 1) < 0) { - printk("%s: could not get own MAC address\n", - dev->name); - } - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - eth_hw_addr_inherit(iface->dev, dev); - } - } else if (local->fw_ap) - prism2_check_sta_fw_version(local); - - prism2_setup_rids(dev); - - /* MAC is now configured, but port 0 is not yet enabled */ - return 0; - - failed: - if (!local->no_pri) - printk(KERN_WARNING "%s: Initialization failed\n", dev_info); - return 1; -} - - -static int prism2_hw_enable(struct net_device *dev, int initial) -{ - struct hostap_interface *iface; - local_info_t *local; - int was_resetting; - - iface = netdev_priv(dev); - local = iface->local; - was_resetting = local->hw_resetting; - - if (hfa384x_cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL, NULL)) { - printk("%s: MAC port 0 enabling failed\n", dev->name); - return 1; - } - - local->hw_ready = 1; - local->hw_reset_tries = 0; - local->hw_resetting = 0; - hfa384x_enable_interrupts(dev); - - /* at least D-Link DWL-650 seems to require additional port reset - * before it starts acting as an AP, so reset port automatically - * here just in case */ - if (initial && prism2_reset_port(dev)) { - printk("%s: MAC port 0 resetting failed\n", dev->name); - return 1; - } - - if (was_resetting && netif_queue_stopped(dev)) { - /* If hw_reset() was called during pending transmit, netif - * queue was stopped. Wake it up now since the wlan card has - * been resetted. */ - netif_wake_queue(dev); - } - - return 0; -} - - -static int prism2_hw_config(struct net_device *dev, int initial) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->hw_downloading) - return 1; - - if (prism2_hw_init(dev, initial)) { - return local->no_pri ? 0 : 1; - } - - if (prism2_hw_init2(dev, initial)) - return 1; - - /* Enable firmware if secondary image is loaded and at least one of the - * netdevices is up. */ - if (!local->pri_only && - (initial == 0 || (initial == 2 && local->num_dev_open > 0))) { - if (!local->dev_enabled) - prism2_callback(local, PRISM2_CALLBACK_ENABLE); - local->dev_enabled = 1; - return prism2_hw_enable(dev, initial); - } - - return 0; -} - - -static void prism2_hw_shutdown(struct net_device *dev, int no_disable) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - /* Allow only command completion events during disable */ - hfa384x_events_only_cmd(dev); - - local->hw_ready = 0; - if (local->dev_enabled) - prism2_callback(local, PRISM2_CALLBACK_DISABLE); - local->dev_enabled = 0; - - if (local->func->card_present && !local->func->card_present(local)) { - printk(KERN_DEBUG "%s: card already removed or not configured " - "during shutdown\n", dev->name); - return; - } - - if ((no_disable & HOSTAP_HW_NO_DISABLE) == 0 && - hfa384x_cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL, NULL)) - printk(KERN_WARNING "%s: Shutdown failed\n", dev_info); - - hfa384x_disable_interrupts(dev); - - if (no_disable & HOSTAP_HW_ENABLE_CMDCOMPL) - hfa384x_events_only_cmd(dev); - else - prism2_clear_cmd_queue(local); -} - - -static void prism2_hw_reset(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - -#if 0 - static long last_reset = 0; - - /* do not reset card more than once per second to avoid ending up in a - * busy loop resetting the card */ - if (time_before_eq(jiffies, last_reset + HZ)) - return; - last_reset = jiffies; -#endif - - iface = netdev_priv(dev); - local = iface->local; - - if (in_interrupt()) { - printk(KERN_DEBUG "%s: driver bug - prism2_hw_reset() called " - "in interrupt context\n", dev->name); - return; - } - - if (local->hw_downloading) - return; - - if (local->hw_resetting) { - printk(KERN_WARNING "%s: %s: already resetting card - " - "ignoring reset request\n", dev_info, dev->name); - return; - } - - local->hw_reset_tries++; - if (local->hw_reset_tries > 10) { - printk(KERN_WARNING "%s: too many reset tries, skipping\n", - dev->name); - return; - } - - printk(KERN_WARNING "%s: %s: resetting card\n", dev_info, dev->name); - hfa384x_disable_interrupts(dev); - local->hw_resetting = 1; - if (local->func->cor_sreset) { - /* Host system seems to hang in some cases with high traffic - * load or shared interrupts during COR sreset. Disable shared - * interrupts during reset to avoid these crashes. COS sreset - * takes quite a long time, so it is unfortunate that this - * seems to be needed. Anyway, I do not know of any better way - * of avoiding the crash. */ - disable_irq(dev->irq); - local->func->cor_sreset(local); - enable_irq(dev->irq); - } - prism2_hw_shutdown(dev, 1); - prism2_hw_config(dev, 0); - local->hw_resetting = 0; - -#ifdef PRISM2_DOWNLOAD_SUPPORT - if (local->dl_pri) { - printk(KERN_DEBUG "%s: persistent download of primary " - "firmware\n", dev->name); - if (prism2_download_genesis(local, local->dl_pri) < 0) - printk(KERN_WARNING "%s: download (PRI) failed\n", - dev->name); - } - - if (local->dl_sec) { - printk(KERN_DEBUG "%s: persistent download of secondary " - "firmware\n", dev->name); - if (prism2_download_volatile(local, local->dl_sec) < 0) - printk(KERN_WARNING "%s: download (SEC) failed\n", - dev->name); - } -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - - /* TODO: restore beacon TIM bits for STAs that have buffered frames */ -} - - -static void prism2_schedule_reset(local_info_t *local) -{ - schedule_work(&local->reset_queue); -} - - -/* Called only as scheduled task after noticing card timeout in interrupt - * context */ -static void handle_reset_queue(struct work_struct *work) -{ - local_info_t *local = container_of(work, local_info_t, reset_queue); - - printk(KERN_DEBUG "%s: scheduled card reset\n", local->dev->name); - prism2_hw_reset(local->dev); - - if (netif_queue_stopped(local->dev)) { - int i; - - for (i = 0; i < PRISM2_TXFID_COUNT; i++) - if (local->intransmitfid[i] == PRISM2_TXFID_EMPTY) { - PDEBUG(DEBUG_EXTRA, "prism2_tx_timeout: " - "wake up queue\n"); - netif_wake_queue(local->dev); - break; - } - } -} - - -static int prism2_get_txfid_idx(local_info_t *local) -{ - int idx, end; - unsigned long flags; - - spin_lock_irqsave(&local->txfidlock, flags); - end = idx = local->next_txfid; - do { - if (local->intransmitfid[idx] == PRISM2_TXFID_EMPTY) { - local->intransmitfid[idx] = PRISM2_TXFID_RESERVED; - spin_unlock_irqrestore(&local->txfidlock, flags); - return idx; - } - idx++; - if (idx >= PRISM2_TXFID_COUNT) - idx = 0; - } while (idx != end); - spin_unlock_irqrestore(&local->txfidlock, flags); - - PDEBUG(DEBUG_EXTRA2, "prism2_get_txfid_idx: no room in txfid buf: " - "packet dropped\n"); - local->dev->stats.tx_dropped++; - - return -1; -} - - -/* Called only from hardware IRQ */ -static void prism2_transmit_cb(struct net_device *dev, long context, - u16 resp0, u16 res) -{ - struct hostap_interface *iface; - local_info_t *local; - int idx = (int) context; - - iface = netdev_priv(dev); - local = iface->local; - - if (res) { - printk(KERN_DEBUG "%s: prism2_transmit_cb - res=0x%02x\n", - dev->name, res); - return; - } - - if (idx < 0 || idx >= PRISM2_TXFID_COUNT) { - printk(KERN_DEBUG "%s: prism2_transmit_cb called with invalid " - "idx=%d\n", dev->name, idx); - return; - } - - if (!test_and_clear_bit(HOSTAP_BITS_TRANSMIT, &local->bits)) { - printk(KERN_DEBUG "%s: driver bug: prism2_transmit_cb called " - "with no pending transmit\n", dev->name); - } - - if (netif_queue_stopped(dev)) { - /* ready for next TX, so wake up queue that was stopped in - * prism2_transmit() */ - netif_wake_queue(dev); - } - - spin_lock(&local->txfidlock); - - /* With reclaim, Resp0 contains new txfid for transmit; the old txfid - * will be automatically allocated for the next TX frame */ - local->intransmitfid[idx] = resp0; - - PDEBUG(DEBUG_FID, "%s: prism2_transmit_cb: txfid[%d]=0x%04x, " - "resp0=0x%04x, transmit_txfid=0x%04x\n", - dev->name, idx, local->txfid[idx], - resp0, local->intransmitfid[local->next_txfid]); - - idx++; - if (idx >= PRISM2_TXFID_COUNT) - idx = 0; - local->next_txfid = idx; - - /* check if all TX buffers are occupied */ - do { - if (local->intransmitfid[idx] == PRISM2_TXFID_EMPTY) { - spin_unlock(&local->txfidlock); - return; - } - idx++; - if (idx >= PRISM2_TXFID_COUNT) - idx = 0; - } while (idx != local->next_txfid); - spin_unlock(&local->txfidlock); - - /* no empty TX buffers, stop queue */ - netif_stop_queue(dev); -} - - -/* Called only from software IRQ if PCI bus master is not used (with bus master - * this can be called both from software and hardware IRQ) */ -static int prism2_transmit(struct net_device *dev, int idx) -{ - struct hostap_interface *iface; - local_info_t *local; - int res; - - iface = netdev_priv(dev); - local = iface->local; - - /* The driver tries to stop netif queue so that there would not be - * more than one attempt to transmit frames going on; check that this - * is really the case */ - - if (test_and_set_bit(HOSTAP_BITS_TRANSMIT, &local->bits)) { - printk(KERN_DEBUG "%s: driver bug - prism2_transmit() called " - "when previous TX was pending\n", dev->name); - return -1; - } - - /* stop the queue for the time that transmit is pending */ - netif_stop_queue(dev); - - /* transmit packet */ - res = hfa384x_cmd_callback( - dev, - HFA384X_CMDCODE_TRANSMIT | HFA384X_CMD_TX_RECLAIM, - local->txfid[idx], - prism2_transmit_cb, (long) idx); - - if (res) { - printk(KERN_DEBUG "%s: prism2_transmit: CMDCODE_TRANSMIT " - "failed (res=%d)\n", dev->name, res); - dev->stats.tx_dropped++; - netif_wake_queue(dev); - return -1; - } - dev->trans_start = jiffies; - - /* Since we did not wait for command completion, the card continues - * to process on the background and we will finish handling when - * command completion event is handled (prism2_cmd_ev() function) */ - - return 0; -} - - -/* Send IEEE 802.11 frame (convert the header into Prism2 TX descriptor and - * send the payload with this descriptor) */ -/* Called only from software IRQ */ -static int prism2_tx_80211(struct sk_buff *skb, struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_tx_frame txdesc; - struct hostap_skb_tx_data *meta; - int hdr_len, data_len, idx, res, ret = -1; - u16 tx_control, fc; - - iface = netdev_priv(dev); - local = iface->local; - - meta = (struct hostap_skb_tx_data *) skb->cb; - - prism2_callback(local, PRISM2_CALLBACK_TX_START); - - if ((local->func->card_present && !local->func->card_present(local)) || - !local->hw_ready || local->hw_downloading || local->pri_only) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: prism2_tx_80211: hw not ready -" - " skipping\n", dev->name); - } - goto fail; - } - - memset(&txdesc, 0, sizeof(txdesc)); - - /* skb->data starts with txdesc->frame_control */ - hdr_len = 24; - skb_copy_from_linear_data(skb, &txdesc.frame_control, hdr_len); - fc = le16_to_cpu(txdesc.frame_control); - if (ieee80211_is_data(txdesc.frame_control) && - ieee80211_has_a4(txdesc.frame_control) && - skb->len >= 30) { - /* Addr4 */ - skb_copy_from_linear_data_offset(skb, hdr_len, txdesc.addr4, - ETH_ALEN); - hdr_len += ETH_ALEN; - } - - tx_control = local->tx_control; - if (meta->tx_cb_idx) { - tx_control |= HFA384X_TX_CTRL_TX_OK; - txdesc.sw_support = cpu_to_le32(meta->tx_cb_idx); - } - txdesc.tx_control = cpu_to_le16(tx_control); - txdesc.tx_rate = meta->rate; - - data_len = skb->len - hdr_len; - txdesc.data_len = cpu_to_le16(data_len); - txdesc.len = cpu_to_be16(data_len); - - idx = prism2_get_txfid_idx(local); - if (idx < 0) - goto fail; - - if (local->frame_dump & PRISM2_DUMP_TX_HDR) - hostap_dump_tx_header(dev->name, &txdesc); - - spin_lock(&local->baplock); - res = hfa384x_setup_bap(dev, BAP0, local->txfid[idx], 0); - - if (!res) - res = hfa384x_to_bap(dev, BAP0, &txdesc, sizeof(txdesc)); - if (!res) - res = hfa384x_to_bap(dev, BAP0, skb->data + hdr_len, - skb->len - hdr_len); - spin_unlock(&local->baplock); - - if (!res) - res = prism2_transmit(dev, idx); - if (res) { - printk(KERN_DEBUG "%s: prism2_tx_80211 - to BAP0 failed\n", - dev->name); - local->intransmitfid[idx] = PRISM2_TXFID_EMPTY; - schedule_work(&local->reset_queue); - goto fail; - } - - ret = 0; - -fail: - prism2_callback(local, PRISM2_CALLBACK_TX_END); - return ret; -} - - -/* Some SMP systems have reported number of odd errors with hostap_pci. fid - * register has changed values between consecutive reads for an unknown reason. - * This should really not happen, so more debugging is needed. This test - * version is a bit slower, but it will detect most of such register changes - * and will try to get the correct fid eventually. */ -#define EXTRA_FID_READ_TESTS - -static u16 prism2_read_fid_reg(struct net_device *dev, u16 reg) -{ -#ifdef EXTRA_FID_READ_TESTS - u16 val, val2, val3; - int i; - - for (i = 0; i < 10; i++) { - val = HFA384X_INW(reg); - val2 = HFA384X_INW(reg); - val3 = HFA384X_INW(reg); - - if (val == val2 && val == val3) - return val; - - printk(KERN_DEBUG "%s: detected fid change (try=%d, reg=%04x):" - " %04x %04x %04x\n", - dev->name, i, reg, val, val2, val3); - if ((val == val2 || val == val3) && val != 0) - return val; - if (val2 == val3 && val2 != 0) - return val2; - } - printk(KERN_WARNING "%s: Uhhuh.. could not read good fid from reg " - "%04x (%04x %04x %04x)\n", dev->name, reg, val, val2, val3); - return val; -#else /* EXTRA_FID_READ_TESTS */ - return HFA384X_INW(reg); -#endif /* EXTRA_FID_READ_TESTS */ -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_rx(local_info_t *local) -{ - struct net_device *dev = local->dev; - int res, rx_pending = 0; - u16 len, hdr_len, rxfid, status, macport; - struct hfa384x_rx_frame rxdesc; - struct sk_buff *skb = NULL; - - prism2_callback(local, PRISM2_CALLBACK_RX_START); - - rxfid = prism2_read_fid_reg(dev, HFA384X_RXFID_OFF); -#ifndef final_version - if (rxfid == 0) { - rxfid = HFA384X_INW(HFA384X_RXFID_OFF); - printk(KERN_DEBUG "prism2_rx: rxfid=0 (next 0x%04x)\n", - rxfid); - if (rxfid == 0) { - schedule_work(&local->reset_queue); - goto rx_dropped; - } - /* try to continue with the new rxfid value */ - } -#endif - - spin_lock(&local->baplock); - res = hfa384x_setup_bap(dev, BAP0, rxfid, 0); - if (!res) - res = hfa384x_from_bap(dev, BAP0, &rxdesc, sizeof(rxdesc)); - - if (res) { - spin_unlock(&local->baplock); - printk(KERN_DEBUG "%s: copy from BAP0 failed %d\n", dev->name, - res); - if (res == -ETIMEDOUT) { - schedule_work(&local->reset_queue); - } - goto rx_dropped; - } - - len = le16_to_cpu(rxdesc.data_len); - hdr_len = sizeof(rxdesc); - status = le16_to_cpu(rxdesc.status); - macport = (status >> 8) & 0x07; - - /* Drop frames with too large reported payload length. Monitor mode - * seems to sometimes pass frames (e.g., ctrl::ack) with signed and - * negative value, so allow also values 65522 .. 65534 (-14 .. -2) for - * macport 7 */ - if (len > PRISM2_DATA_MAXLEN + 8 /* WEP */) { - if (macport == 7 && local->iw_mode == IW_MODE_MONITOR) { - if (len >= (u16) -14) { - hdr_len -= 65535 - len; - hdr_len--; - } - len = 0; - } else { - spin_unlock(&local->baplock); - printk(KERN_DEBUG "%s: Received frame with invalid " - "length 0x%04x\n", dev->name, len); - hostap_dump_rx_header(dev->name, &rxdesc); - goto rx_dropped; - } - } - - skb = dev_alloc_skb(len + hdr_len); - if (!skb) { - spin_unlock(&local->baplock); - printk(KERN_DEBUG "%s: RX failed to allocate skb\n", - dev->name); - goto rx_dropped; - } - skb->dev = dev; - memcpy(skb_put(skb, hdr_len), &rxdesc, hdr_len); - - if (len > 0) - res = hfa384x_from_bap(dev, BAP0, skb_put(skb, len), len); - spin_unlock(&local->baplock); - if (res) { - printk(KERN_DEBUG "%s: RX failed to read " - "frame data\n", dev->name); - goto rx_dropped; - } - - skb_queue_tail(&local->rx_list, skb); - tasklet_schedule(&local->rx_tasklet); - - rx_exit: - prism2_callback(local, PRISM2_CALLBACK_RX_END); - if (!rx_pending) { - HFA384X_OUTW(HFA384X_EV_RX, HFA384X_EVACK_OFF); - } - - return; - - rx_dropped: - dev->stats.rx_dropped++; - if (skb) - dev_kfree_skb(skb); - goto rx_exit; -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_rx_skb(local_info_t *local, struct sk_buff *skb) -{ - struct hfa384x_rx_frame *rxdesc; - struct net_device *dev = skb->dev; - struct hostap_80211_rx_status stats; - int hdrlen, rx_hdrlen; - - rx_hdrlen = sizeof(*rxdesc); - if (skb->len < sizeof(*rxdesc)) { - /* Allow monitor mode to receive shorter frames */ - if (local->iw_mode == IW_MODE_MONITOR && - skb->len >= sizeof(*rxdesc) - 30) { - rx_hdrlen = skb->len; - } else { - dev_kfree_skb(skb); - return; - } - } - - rxdesc = (struct hfa384x_rx_frame *) skb->data; - - if (local->frame_dump & PRISM2_DUMP_RX_HDR && - skb->len >= sizeof(*rxdesc)) - hostap_dump_rx_header(dev->name, rxdesc); - - if (le16_to_cpu(rxdesc->status) & HFA384X_RX_STATUS_FCSERR && - (!local->monitor_allow_fcserr || - local->iw_mode != IW_MODE_MONITOR)) - goto drop; - - if (skb->len > PRISM2_DATA_MAXLEN) { - printk(KERN_DEBUG "%s: RX: len(%d) > MAX(%d)\n", - dev->name, skb->len, PRISM2_DATA_MAXLEN); - goto drop; - } - - stats.mac_time = le32_to_cpu(rxdesc->time); - stats.signal = rxdesc->signal - local->rssi_to_dBm; - stats.noise = rxdesc->silence - local->rssi_to_dBm; - stats.rate = rxdesc->rate; - - /* Convert Prism2 RX structure into IEEE 802.11 header */ - hdrlen = hostap_80211_get_hdrlen(rxdesc->frame_control); - if (hdrlen > rx_hdrlen) - hdrlen = rx_hdrlen; - - memmove(skb_pull(skb, rx_hdrlen - hdrlen), - &rxdesc->frame_control, hdrlen); - - hostap_80211_rx(dev, skb, &stats); - return; - - drop: - dev_kfree_skb(skb); -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_rx_tasklet(unsigned long data) -{ - local_info_t *local = (local_info_t *) data; - struct sk_buff *skb; - - while ((skb = skb_dequeue(&local->rx_list)) != NULL) - hostap_rx_skb(local, skb); -} - - -/* Called only from hardware IRQ */ -static void prism2_alloc_ev(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - int idx; - u16 fid; - - iface = netdev_priv(dev); - local = iface->local; - - fid = prism2_read_fid_reg(dev, HFA384X_ALLOCFID_OFF); - - PDEBUG(DEBUG_FID, "FID: interrupt: ALLOC - fid=0x%04x\n", fid); - - spin_lock(&local->txfidlock); - idx = local->next_alloc; - - do { - if (local->txfid[idx] == fid) { - PDEBUG(DEBUG_FID, "FID: found matching txfid[%d]\n", - idx); - -#ifndef final_version - if (local->intransmitfid[idx] == PRISM2_TXFID_EMPTY) - printk("Already released txfid found at idx " - "%d\n", idx); - if (local->intransmitfid[idx] == PRISM2_TXFID_RESERVED) - printk("Already reserved txfid found at idx " - "%d\n", idx); -#endif - local->intransmitfid[idx] = PRISM2_TXFID_EMPTY; - idx++; - local->next_alloc = idx >= PRISM2_TXFID_COUNT ? 0 : - idx; - - if (!test_bit(HOSTAP_BITS_TRANSMIT, &local->bits) && - netif_queue_stopped(dev)) - netif_wake_queue(dev); - - spin_unlock(&local->txfidlock); - return; - } - - idx++; - if (idx >= PRISM2_TXFID_COUNT) - idx = 0; - } while (idx != local->next_alloc); - - printk(KERN_WARNING "%s: could not find matching txfid (0x%04x, new " - "read 0x%04x) for alloc event\n", dev->name, fid, - HFA384X_INW(HFA384X_ALLOCFID_OFF)); - printk(KERN_DEBUG "TXFIDs:"); - for (idx = 0; idx < PRISM2_TXFID_COUNT; idx++) - printk(" %04x[%04x]", local->txfid[idx], - local->intransmitfid[idx]); - printk("\n"); - spin_unlock(&local->txfidlock); - - /* FIX: should probably schedule reset; reference to one txfid was lost - * completely.. Bad things will happen if we run out of txfids - * Actually, this will cause netdev watchdog to notice TX timeout and - * then card reset after all txfids have been leaked. */ -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_tx_callback(local_info_t *local, - struct hfa384x_tx_frame *txdesc, int ok, - char *payload) -{ - u16 sw_support, hdrlen, len; - struct sk_buff *skb; - struct hostap_tx_callback_info *cb; - - /* Make sure that frame was from us. */ - if (!ether_addr_equal(txdesc->addr2, local->dev->dev_addr)) { - printk(KERN_DEBUG "%s: TX callback - foreign frame\n", - local->dev->name); - return; - } - - sw_support = le32_to_cpu(txdesc->sw_support); - - spin_lock(&local->lock); - cb = local->tx_callback; - while (cb != NULL && cb->idx != sw_support) - cb = cb->next; - spin_unlock(&local->lock); - - if (cb == NULL) { - printk(KERN_DEBUG "%s: could not find TX callback (idx %d)\n", - local->dev->name, sw_support); - return; - } - - hdrlen = hostap_80211_get_hdrlen(txdesc->frame_control); - len = le16_to_cpu(txdesc->data_len); - skb = dev_alloc_skb(hdrlen + len); - if (skb == NULL) { - printk(KERN_DEBUG "%s: hostap_tx_callback failed to allocate " - "skb\n", local->dev->name); - return; - } - - memcpy(skb_put(skb, hdrlen), (void *) &txdesc->frame_control, hdrlen); - if (payload) - memcpy(skb_put(skb, len), payload, len); - - skb->dev = local->dev; - skb_reset_mac_header(skb); - - cb->func(skb, ok, cb->data); -} - - -/* Called only as a tasklet (software IRQ) */ -static int hostap_tx_compl_read(local_info_t *local, int error, - struct hfa384x_tx_frame *txdesc, - char **payload) -{ - u16 fid, len; - int res, ret = 0; - struct net_device *dev = local->dev; - - fid = prism2_read_fid_reg(dev, HFA384X_TXCOMPLFID_OFF); - - PDEBUG(DEBUG_FID, "interrupt: TX (err=%d) - fid=0x%04x\n", fid, error); - - spin_lock(&local->baplock); - res = hfa384x_setup_bap(dev, BAP0, fid, 0); - if (!res) - res = hfa384x_from_bap(dev, BAP0, txdesc, sizeof(*txdesc)); - if (res) { - PDEBUG(DEBUG_EXTRA, "%s: TX (err=%d) - fid=0x%04x - could not " - "read txdesc\n", dev->name, error, fid); - if (res == -ETIMEDOUT) { - schedule_work(&local->reset_queue); - } - ret = -1; - goto fail; - } - if (txdesc->sw_support) { - len = le16_to_cpu(txdesc->data_len); - if (len < PRISM2_DATA_MAXLEN) { - *payload = kmalloc(len, GFP_ATOMIC); - if (*payload == NULL || - hfa384x_from_bap(dev, BAP0, *payload, len)) { - PDEBUG(DEBUG_EXTRA, "%s: could not read TX " - "frame payload\n", dev->name); - kfree(*payload); - *payload = NULL; - ret = -1; - goto fail; - } - } - } - - fail: - spin_unlock(&local->baplock); - - return ret; -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_tx_ev(local_info_t *local) -{ - struct net_device *dev = local->dev; - char *payload = NULL; - struct hfa384x_tx_frame txdesc; - - if (hostap_tx_compl_read(local, 0, &txdesc, &payload)) - goto fail; - - if (local->frame_dump & PRISM2_DUMP_TX_HDR) { - PDEBUG(DEBUG_EXTRA, "%s: TX - status=0x%04x " - "retry_count=%d tx_rate=%d seq_ctrl=%d " - "duration_id=%d\n", - dev->name, le16_to_cpu(txdesc.status), - txdesc.retry_count, txdesc.tx_rate, - le16_to_cpu(txdesc.seq_ctrl), - le16_to_cpu(txdesc.duration_id)); - } - - if (txdesc.sw_support) - hostap_tx_callback(local, &txdesc, 1, payload); - kfree(payload); - - fail: - HFA384X_OUTW(HFA384X_EV_TX, HFA384X_EVACK_OFF); -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_sta_tx_exc_tasklet(unsigned long data) -{ - local_info_t *local = (local_info_t *) data; - struct sk_buff *skb; - - while ((skb = skb_dequeue(&local->sta_tx_exc_list)) != NULL) { - struct hfa384x_tx_frame *txdesc = - (struct hfa384x_tx_frame *) skb->data; - - if (skb->len >= sizeof(*txdesc)) { - /* Convert Prism2 RX structure into IEEE 802.11 header - */ - int hdrlen = hostap_80211_get_hdrlen(txdesc->frame_control); - memmove(skb_pull(skb, sizeof(*txdesc) - hdrlen), - &txdesc->frame_control, hdrlen); - - hostap_handle_sta_tx_exc(local, skb); - } - dev_kfree_skb(skb); - } -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_txexc(local_info_t *local) -{ - struct net_device *dev = local->dev; - u16 status, fc; - int show_dump, res; - char *payload = NULL; - struct hfa384x_tx_frame txdesc; - - show_dump = local->frame_dump & PRISM2_DUMP_TXEXC_HDR; - dev->stats.tx_errors++; - - res = hostap_tx_compl_read(local, 1, &txdesc, &payload); - HFA384X_OUTW(HFA384X_EV_TXEXC, HFA384X_EVACK_OFF); - if (res) - return; - - status = le16_to_cpu(txdesc.status); - - /* We produce a TXDROP event only for retry or lifetime - * exceeded, because that's the only status that really mean - * that this particular node went away. - * Other errors means that *we* screwed up. - Jean II */ - if (status & (HFA384X_TX_STATUS_RETRYERR | HFA384X_TX_STATUS_AGEDERR)) - { - union iwreq_data wrqu; - - /* Copy 802.11 dest address. */ - memcpy(wrqu.addr.sa_data, txdesc.addr1, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - wireless_send_event(dev, IWEVTXDROP, &wrqu, NULL); - } else - show_dump = 1; - - if (local->iw_mode == IW_MODE_MASTER || - local->iw_mode == IW_MODE_REPEAT || - local->wds_type & HOSTAP_WDS_AP_CLIENT) { - struct sk_buff *skb; - skb = dev_alloc_skb(sizeof(txdesc)); - if (skb) { - memcpy(skb_put(skb, sizeof(txdesc)), &txdesc, - sizeof(txdesc)); - skb_queue_tail(&local->sta_tx_exc_list, skb); - tasklet_schedule(&local->sta_tx_exc_tasklet); - } - } - - if (txdesc.sw_support) - hostap_tx_callback(local, &txdesc, 0, payload); - kfree(payload); - - if (!show_dump) - return; - - PDEBUG(DEBUG_EXTRA, "%s: TXEXC - status=0x%04x (%s%s%s%s)" - " tx_control=%04x\n", - dev->name, status, - status & HFA384X_TX_STATUS_RETRYERR ? "[RetryErr]" : "", - status & HFA384X_TX_STATUS_AGEDERR ? "[AgedErr]" : "", - status & HFA384X_TX_STATUS_DISCON ? "[Discon]" : "", - status & HFA384X_TX_STATUS_FORMERR ? "[FormErr]" : "", - le16_to_cpu(txdesc.tx_control)); - - fc = le16_to_cpu(txdesc.frame_control); - PDEBUG(DEBUG_EXTRA, " retry_count=%d tx_rate=%d fc=0x%04x " - "(%s%s%s::%d%s%s)\n", - txdesc.retry_count, txdesc.tx_rate, fc, - ieee80211_is_mgmt(txdesc.frame_control) ? "Mgmt" : "", - ieee80211_is_ctl(txdesc.frame_control) ? "Ctrl" : "", - ieee80211_is_data(txdesc.frame_control) ? "Data" : "", - (fc & IEEE80211_FCTL_STYPE) >> 4, - ieee80211_has_tods(txdesc.frame_control) ? " ToDS" : "", - ieee80211_has_fromds(txdesc.frame_control) ? " FromDS" : ""); - PDEBUG(DEBUG_EXTRA, " A1=%pM A2=%pM A3=%pM A4=%pM\n", - txdesc.addr1, txdesc.addr2, - txdesc.addr3, txdesc.addr4); -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_info_tasklet(unsigned long data) -{ - local_info_t *local = (local_info_t *) data; - struct sk_buff *skb; - - while ((skb = skb_dequeue(&local->info_list)) != NULL) { - hostap_info_process(local, skb); - dev_kfree_skb(skb); - } -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info(local_info_t *local) -{ - struct net_device *dev = local->dev; - u16 fid; - int res, left; - struct hfa384x_info_frame info; - struct sk_buff *skb; - - fid = HFA384X_INW(HFA384X_INFOFID_OFF); - - spin_lock(&local->baplock); - res = hfa384x_setup_bap(dev, BAP0, fid, 0); - if (!res) - res = hfa384x_from_bap(dev, BAP0, &info, sizeof(info)); - if (res) { - spin_unlock(&local->baplock); - printk(KERN_DEBUG "Could not get info frame (fid=0x%04x)\n", - fid); - if (res == -ETIMEDOUT) { - schedule_work(&local->reset_queue); - } - goto out; - } - - left = (le16_to_cpu(info.len) - 1) * 2; - - if (info.len & cpu_to_le16(0x8000) || info.len == 0 || left > 2060) { - /* data register seems to give 0x8000 in some error cases even - * though busy bit is not set in offset register; - * in addition, length must be at least 1 due to type field */ - spin_unlock(&local->baplock); - printk(KERN_DEBUG "%s: Received info frame with invalid " - "length 0x%04x (type 0x%04x)\n", dev->name, - le16_to_cpu(info.len), le16_to_cpu(info.type)); - goto out; - } - - skb = dev_alloc_skb(sizeof(info) + left); - if (skb == NULL) { - spin_unlock(&local->baplock); - printk(KERN_DEBUG "%s: Could not allocate skb for info " - "frame\n", dev->name); - goto out; - } - - memcpy(skb_put(skb, sizeof(info)), &info, sizeof(info)); - if (left > 0 && hfa384x_from_bap(dev, BAP0, skb_put(skb, left), left)) - { - spin_unlock(&local->baplock); - printk(KERN_WARNING "%s: Info frame read failed (fid=0x%04x, " - "len=0x%04x, type=0x%04x\n", dev->name, fid, - le16_to_cpu(info.len), le16_to_cpu(info.type)); - dev_kfree_skb(skb); - goto out; - } - spin_unlock(&local->baplock); - - skb_queue_tail(&local->info_list, skb); - tasklet_schedule(&local->info_tasklet); - - out: - HFA384X_OUTW(HFA384X_EV_INFO, HFA384X_EVACK_OFF); -} - - -/* Called only as a tasklet (software IRQ) */ -static void hostap_bap_tasklet(unsigned long data) -{ - local_info_t *local = (local_info_t *) data; - struct net_device *dev = local->dev; - u16 ev; - int frames = 30; - - if (local->func->card_present && !local->func->card_present(local)) - return; - - set_bit(HOSTAP_BITS_BAP_TASKLET, &local->bits); - - /* Process all pending BAP events without generating new interrupts - * for them */ - while (frames-- > 0) { - ev = HFA384X_INW(HFA384X_EVSTAT_OFF); - if (ev == 0xffff || !(ev & HFA384X_BAP0_EVENTS)) - break; - if (ev & HFA384X_EV_RX) - prism2_rx(local); - if (ev & HFA384X_EV_INFO) - prism2_info(local); - if (ev & HFA384X_EV_TX) - prism2_tx_ev(local); - if (ev & HFA384X_EV_TXEXC) - prism2_txexc(local); - } - - set_bit(HOSTAP_BITS_BAP_TASKLET2, &local->bits); - clear_bit(HOSTAP_BITS_BAP_TASKLET, &local->bits); - - /* Enable interrupts for new BAP events */ - hfa384x_events_all(dev); - clear_bit(HOSTAP_BITS_BAP_TASKLET2, &local->bits); -} - - -/* Called only from hardware IRQ */ -static void prism2_infdrop(struct net_device *dev) -{ - static unsigned long last_inquire = 0; - - PDEBUG(DEBUG_EXTRA, "%s: INFDROP event\n", dev->name); - - /* some firmware versions seem to get stuck with - * full CommTallies in high traffic load cases; every - * packet will then cause INFDROP event and CommTallies - * info frame will not be sent automatically. Try to - * get out of this state by inquiring CommTallies. */ - if (!last_inquire || time_after(jiffies, last_inquire + HZ)) { - hfa384x_cmd_callback(dev, HFA384X_CMDCODE_INQUIRE, - HFA384X_INFO_COMMTALLIES, NULL, 0); - last_inquire = jiffies; - } -} - - -/* Called only from hardware IRQ */ -static void prism2_ev_tick(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - u16 evstat, inten; - static int prev_stuck = 0; - - iface = netdev_priv(dev); - local = iface->local; - - if (time_after(jiffies, local->last_tick_timer + 5 * HZ) && - local->last_tick_timer) { - evstat = HFA384X_INW(HFA384X_EVSTAT_OFF); - inten = HFA384X_INW(HFA384X_INTEN_OFF); - if (!prev_stuck) { - printk(KERN_INFO "%s: SW TICK stuck? " - "bits=0x%lx EvStat=%04x IntEn=%04x\n", - dev->name, local->bits, evstat, inten); - } - local->sw_tick_stuck++; - if ((evstat & HFA384X_BAP0_EVENTS) && - (inten & HFA384X_BAP0_EVENTS)) { - printk(KERN_INFO "%s: trying to recover from IRQ " - "hang\n", dev->name); - hfa384x_events_no_bap0(dev); - } - prev_stuck = 1; - } else - prev_stuck = 0; -} - - -/* Called only from hardware IRQ */ -static void prism2_check_magic(local_info_t *local) -{ - /* at least PCI Prism2.5 with bus mastering seems to sometimes - * return 0x0000 in SWSUPPORT0 for unknown reason, but re-reading the - * register once or twice seems to get the correct value.. PCI cards - * cannot anyway be removed during normal operation, so there is not - * really any need for this verification with them. */ - -#ifndef PRISM2_PCI -#ifndef final_version - static unsigned long last_magic_err = 0; - struct net_device *dev = local->dev; - - if (HFA384X_INW(HFA384X_SWSUPPORT0_OFF) != HFA384X_MAGIC) { - if (!local->hw_ready) - return; - HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); - if (time_after(jiffies, last_magic_err + 10 * HZ)) { - printk("%s: Interrupt, but SWSUPPORT0 does not match: " - "%04X != %04X - card removed?\n", dev->name, - HFA384X_INW(HFA384X_SWSUPPORT0_OFF), - HFA384X_MAGIC); - last_magic_err = jiffies; - } else if (net_ratelimit()) { - printk(KERN_DEBUG "%s: interrupt - SWSUPPORT0=%04x " - "MAGIC=%04x\n", dev->name, - HFA384X_INW(HFA384X_SWSUPPORT0_OFF), - HFA384X_MAGIC); - } - if (HFA384X_INW(HFA384X_SWSUPPORT0_OFF) != 0xffff) - schedule_work(&local->reset_queue); - return; - } -#endif /* final_version */ -#endif /* !PRISM2_PCI */ -} - - -/* Called only from hardware IRQ */ -static irqreturn_t prism2_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct hostap_interface *iface; - local_info_t *local; - int events = 0; - u16 ev; - - iface = netdev_priv(dev); - local = iface->local; - - /* Detect early interrupt before driver is fully configured */ - spin_lock(&local->irq_init_lock); - if (!dev->base_addr) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n", - dev->name); - } - spin_unlock(&local->irq_init_lock); - return IRQ_HANDLED; - } - spin_unlock(&local->irq_init_lock); - - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 0); - - if (local->func->card_present && !local->func->card_present(local)) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: Interrupt, but dev not OK\n", - dev->name); - } - return IRQ_HANDLED; - } - - prism2_check_magic(local); - - for (;;) { - ev = HFA384X_INW(HFA384X_EVSTAT_OFF); - if (ev == 0xffff) { - if (local->shutdown) - return IRQ_HANDLED; - HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); - printk(KERN_DEBUG "%s: prism2_interrupt: ev=0xffff\n", - dev->name); - return IRQ_HANDLED; - } - - ev &= HFA384X_INW(HFA384X_INTEN_OFF); - if (ev == 0) - break; - - if (ev & HFA384X_EV_CMD) { - prism2_cmd_ev(dev); - } - - /* Above events are needed even before hw is ready, but other - * events should be skipped during initialization. This may - * change for AllocEv if allocate_fid is implemented without - * busy waiting. */ - if (!local->hw_ready || local->hw_resetting || - !local->dev_enabled) { - ev = HFA384X_INW(HFA384X_EVSTAT_OFF); - if (ev & HFA384X_EV_CMD) - goto next_event; - if ((ev & HFA384X_EVENT_MASK) == 0) - return IRQ_HANDLED; - if (local->dev_enabled && (ev & ~HFA384X_EV_TICK) && - net_ratelimit()) { - printk(KERN_DEBUG "%s: prism2_interrupt: hw " - "not ready; skipping events 0x%04x " - "(IntEn=0x%04x)%s%s%s\n", - dev->name, ev, - HFA384X_INW(HFA384X_INTEN_OFF), - !local->hw_ready ? " (!hw_ready)" : "", - local->hw_resetting ? - " (hw_resetting)" : "", - !local->dev_enabled ? - " (!dev_enabled)" : ""); - } - HFA384X_OUTW(ev, HFA384X_EVACK_OFF); - return IRQ_HANDLED; - } - - if (ev & HFA384X_EV_TICK) { - prism2_ev_tick(dev); - HFA384X_OUTW(HFA384X_EV_TICK, HFA384X_EVACK_OFF); - } - - if (ev & HFA384X_EV_ALLOC) { - prism2_alloc_ev(dev); - HFA384X_OUTW(HFA384X_EV_ALLOC, HFA384X_EVACK_OFF); - } - - /* Reading data from the card is quite time consuming, so do it - * in tasklets. TX, TXEXC, RX, and INFO events will be ACKed - * and unmasked after needed data has been read completely. */ - if (ev & HFA384X_BAP0_EVENTS) { - hfa384x_events_no_bap0(dev); - tasklet_schedule(&local->bap_tasklet); - } - -#ifndef final_version - if (ev & HFA384X_EV_WTERR) { - PDEBUG(DEBUG_EXTRA, "%s: WTERR event\n", dev->name); - HFA384X_OUTW(HFA384X_EV_WTERR, HFA384X_EVACK_OFF); - } -#endif /* final_version */ - - if (ev & HFA384X_EV_INFDROP) { - prism2_infdrop(dev); - HFA384X_OUTW(HFA384X_EV_INFDROP, HFA384X_EVACK_OFF); - } - - next_event: - events++; - if (events >= PRISM2_MAX_INTERRUPT_EVENTS) { - PDEBUG(DEBUG_EXTRA, "prism2_interrupt: >%d events " - "(EvStat=0x%04x)\n", - PRISM2_MAX_INTERRUPT_EVENTS, - HFA384X_INW(HFA384X_EVSTAT_OFF)); - break; - } - } - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 1); - return IRQ_RETVAL(events); -} - - -static void prism2_check_sta_fw_version(local_info_t *local) -{ - struct hfa384x_comp_ident comp; - int id, variant, major, minor; - - if (hfa384x_get_rid(local->dev, HFA384X_RID_STAID, - &comp, sizeof(comp), 1) < 0) - return; - - local->fw_ap = 0; - id = le16_to_cpu(comp.id); - if (id != HFA384X_COMP_ID_STA) { - if (id == HFA384X_COMP_ID_FW_AP) - local->fw_ap = 1; - return; - } - - major = __le16_to_cpu(comp.major); - minor = __le16_to_cpu(comp.minor); - variant = __le16_to_cpu(comp.variant); - local->sta_fw_ver = PRISM2_FW_VER(major, minor, variant); - - /* Station firmware versions before 1.4.x seem to have a bug in - * firmware-based WEP encryption when using Host AP mode, so use - * host_encrypt as a default for them. Firmware version 1.4.9 is the - * first one that has been seen to produce correct encryption, but the - * bug might be fixed before that (although, at least 1.4.2 is broken). - */ - local->fw_encrypt_ok = local->sta_fw_ver >= PRISM2_FW_VER(1,4,9); - - if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt && - !local->fw_encrypt_ok) { - printk(KERN_DEBUG "%s: defaulting to host-based encryption as " - "a workaround for firmware bug in Host AP mode WEP\n", - local->dev->name); - local->host_encrypt = 1; - } - - /* IEEE 802.11 standard compliant WDS frames (4 addresses) were broken - * in station firmware versions before 1.5.x. With these versions, the - * driver uses a workaround with bogus frame format (4th address after - * the payload). This is not compatible with other AP devices. Since - * the firmware bug is fixed in the latest station firmware versions, - * automatically enable standard compliant mode for cards using station - * firmware version 1.5.0 or newer. */ - if (local->sta_fw_ver >= PRISM2_FW_VER(1,5,0)) - local->wds_type |= HOSTAP_WDS_STANDARD_FRAME; - else { - printk(KERN_DEBUG "%s: defaulting to bogus WDS frame as a " - "workaround for firmware bug in Host AP mode WDS\n", - local->dev->name); - } - - hostap_check_sta_fw_version(local->ap, local->sta_fw_ver); -} - - -static void hostap_passive_scan(unsigned long data) -{ - local_info_t *local = (local_info_t *) data; - struct net_device *dev = local->dev; - u16 chan; - - if (local->passive_scan_interval <= 0) - return; - - if (local->passive_scan_state == PASSIVE_SCAN_LISTEN) { - int max_tries = 16; - - /* Even though host system does not really know when the WLAN - * MAC is sending frames, try to avoid changing channels for - * passive scanning when a host-generated frame is being - * transmitted */ - if (test_bit(HOSTAP_BITS_TRANSMIT, &local->bits)) { - printk(KERN_DEBUG "%s: passive scan detected pending " - "TX - delaying\n", dev->name); - local->passive_scan_timer.expires = jiffies + HZ / 10; - add_timer(&local->passive_scan_timer); - return; - } - - do { - local->passive_scan_channel++; - if (local->passive_scan_channel > 14) - local->passive_scan_channel = 1; - max_tries--; - } while (!(local->channel_mask & - (1 << (local->passive_scan_channel - 1))) && - max_tries > 0); - - if (max_tries == 0) { - printk(KERN_INFO "%s: no allowed passive scan channels" - " found\n", dev->name); - return; - } - - printk(KERN_DEBUG "%s: passive scan channel %d\n", - dev->name, local->passive_scan_channel); - chan = local->passive_scan_channel; - local->passive_scan_state = PASSIVE_SCAN_WAIT; - local->passive_scan_timer.expires = jiffies + HZ / 10; - } else { - chan = local->channel; - local->passive_scan_state = PASSIVE_SCAN_LISTEN; - local->passive_scan_timer.expires = jiffies + - local->passive_scan_interval * HZ; - } - - if (hfa384x_cmd_callback(dev, HFA384X_CMDCODE_TEST | - (HFA384X_TEST_CHANGE_CHANNEL << 8), - chan, NULL, 0)) - printk(KERN_ERR "%s: passive scan channel set %d " - "failed\n", dev->name, chan); - - add_timer(&local->passive_scan_timer); -} - - -/* Called only as a scheduled task when communications quality values should - * be updated. */ -static void handle_comms_qual_update(struct work_struct *work) -{ - local_info_t *local = - container_of(work, local_info_t, comms_qual_update); - prism2_update_comms_qual(local->dev); -} - - -/* Software watchdog - called as a timer. Hardware interrupt (Tick event) is - * used to monitor that local->last_tick_timer is being updated. If not, - * interrupt busy-loop is assumed and driver tries to recover by masking out - * some events. */ -static void hostap_tick_timer(unsigned long data) -{ - static unsigned long last_inquire = 0; - local_info_t *local = (local_info_t *) data; - local->last_tick_timer = jiffies; - - /* Inquire CommTallies every 10 seconds to keep the statistics updated - * more often during low load and when using 32-bit tallies. */ - if ((!last_inquire || time_after(jiffies, last_inquire + 10 * HZ)) && - !local->hw_downloading && local->hw_ready && - !local->hw_resetting && local->dev_enabled) { - hfa384x_cmd_callback(local->dev, HFA384X_CMDCODE_INQUIRE, - HFA384X_INFO_COMMTALLIES, NULL, 0); - last_inquire = jiffies; - } - - if ((local->last_comms_qual_update == 0 || - time_after(jiffies, local->last_comms_qual_update + 10 * HZ)) && - (local->iw_mode == IW_MODE_INFRA || - local->iw_mode == IW_MODE_ADHOC)) { - schedule_work(&local->comms_qual_update); - } - - local->tick_timer.expires = jiffies + 2 * HZ; - add_timer(&local->tick_timer); -} - - -#ifndef PRISM2_NO_PROCFS_DEBUG -static int prism2_registers_proc_show(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - -#define SHOW_REG(n) \ - seq_printf(m, #n "=%04x\n", hfa384x_read_reg(local->dev, HFA384X_##n##_OFF)) - - SHOW_REG(CMD); - SHOW_REG(PARAM0); - SHOW_REG(PARAM1); - SHOW_REG(PARAM2); - SHOW_REG(STATUS); - SHOW_REG(RESP0); - SHOW_REG(RESP1); - SHOW_REG(RESP2); - SHOW_REG(INFOFID); - SHOW_REG(CONTROL); - SHOW_REG(SELECT0); - SHOW_REG(SELECT1); - SHOW_REG(OFFSET0); - SHOW_REG(OFFSET1); - SHOW_REG(RXFID); - SHOW_REG(ALLOCFID); - SHOW_REG(TXCOMPLFID); - SHOW_REG(SWSUPPORT0); - SHOW_REG(SWSUPPORT1); - SHOW_REG(SWSUPPORT2); - SHOW_REG(EVSTAT); - SHOW_REG(INTEN); - SHOW_REG(EVACK); - /* Do not read data registers, because they change the state of the - * MAC (offset += 2) */ - /* SHOW_REG(DATA0); */ - /* SHOW_REG(DATA1); */ - SHOW_REG(AUXPAGE); - SHOW_REG(AUXOFFSET); - /* SHOW_REG(AUXDATA); */ -#ifdef PRISM2_PCI - SHOW_REG(PCICOR); - SHOW_REG(PCIHCR); - SHOW_REG(PCI_M0_ADDRH); - SHOW_REG(PCI_M0_ADDRL); - SHOW_REG(PCI_M0_LEN); - SHOW_REG(PCI_M0_CTL); - SHOW_REG(PCI_STATUS); - SHOW_REG(PCI_M1_ADDRH); - SHOW_REG(PCI_M1_ADDRL); - SHOW_REG(PCI_M1_LEN); - SHOW_REG(PCI_M1_CTL); -#endif /* PRISM2_PCI */ - - return 0; -} - -static int prism2_registers_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, prism2_registers_proc_show, PDE_DATA(inode)); -} - -static const struct file_operations prism2_registers_proc_fops = { - .open = prism2_registers_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -#endif /* PRISM2_NO_PROCFS_DEBUG */ - - -struct set_tim_data { - struct list_head list; - int aid; - int set; -}; - -static int prism2_set_tim(struct net_device *dev, int aid, int set) -{ - struct list_head *ptr; - struct set_tim_data *new_entry; - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - new_entry = kzalloc(sizeof(*new_entry), GFP_ATOMIC); - if (new_entry == NULL) - return -ENOMEM; - - new_entry->aid = aid; - new_entry->set = set; - - spin_lock_bh(&local->set_tim_lock); - list_for_each(ptr, &local->set_tim_list) { - struct set_tim_data *entry = - list_entry(ptr, struct set_tim_data, list); - if (entry->aid == aid) { - PDEBUG(DEBUG_PS2, "%s: prism2_set_tim: aid=%d " - "set=%d ==> %d\n", - local->dev->name, aid, entry->set, set); - entry->set = set; - kfree(new_entry); - new_entry = NULL; - break; - } - } - if (new_entry) - list_add_tail(&new_entry->list, &local->set_tim_list); - spin_unlock_bh(&local->set_tim_lock); - - schedule_work(&local->set_tim_queue); - - return 0; -} - - -static void handle_set_tim_queue(struct work_struct *work) -{ - local_info_t *local = container_of(work, local_info_t, set_tim_queue); - struct set_tim_data *entry; - u16 val; - - for (;;) { - entry = NULL; - spin_lock_bh(&local->set_tim_lock); - if (!list_empty(&local->set_tim_list)) { - entry = list_entry(local->set_tim_list.next, - struct set_tim_data, list); - list_del(&entry->list); - } - spin_unlock_bh(&local->set_tim_lock); - if (!entry) - break; - - PDEBUG(DEBUG_PS2, "%s: handle_set_tim_queue: aid=%d set=%d\n", - local->dev->name, entry->aid, entry->set); - - val = entry->aid; - if (entry->set) - val |= 0x8000; - if (hostap_set_word(local->dev, HFA384X_RID_CNFTIMCTRL, val)) { - printk(KERN_DEBUG "%s: set_tim failed (aid=%d " - "set=%d)\n", - local->dev->name, entry->aid, entry->set); - } - - kfree(entry); - } -} - - -static void prism2_clear_set_tim_queue(local_info_t *local) -{ - struct list_head *ptr, *n; - - list_for_each_safe(ptr, n, &local->set_tim_list) { - struct set_tim_data *entry; - entry = list_entry(ptr, struct set_tim_data, list); - list_del(&entry->list); - kfree(entry); - } -} - - -/* - * HostAP uses two layers of net devices, where the inner - * layer gets called all the time from the outer layer. - * This is a natural nesting, which needs a split lock type. - */ -static struct lock_class_key hostap_netdev_xmit_lock_key; -static struct lock_class_key hostap_netdev_addr_lock_key; - -static void prism2_set_lockdep_class_one(struct net_device *dev, - struct netdev_queue *txq, - void *_unused) -{ - lockdep_set_class(&txq->_xmit_lock, - &hostap_netdev_xmit_lock_key); -} - -static void prism2_set_lockdep_class(struct net_device *dev) -{ - lockdep_set_class(&dev->addr_list_lock, - &hostap_netdev_addr_lock_key); - netdev_for_each_tx_queue(dev, prism2_set_lockdep_class_one, NULL); -} - -static struct net_device * -prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx, - struct device *sdev) -{ - struct net_device *dev; - struct hostap_interface *iface; - struct local_info *local; - int len, i, ret; - - if (funcs == NULL) - return NULL; - - len = strlen(dev_template); - if (len >= IFNAMSIZ || strstr(dev_template, "%d") == NULL) { - printk(KERN_WARNING "hostap: Invalid dev_template='%s'\n", - dev_template); - return NULL; - } - - len = sizeof(struct hostap_interface) + - 3 + sizeof(struct local_info) + - 3 + sizeof(struct ap_data); - - dev = alloc_etherdev(len); - if (dev == NULL) - return NULL; - - iface = netdev_priv(dev); - local = (struct local_info *) ((((long) (iface + 1)) + 3) & ~3); - local->ap = (struct ap_data *) ((((long) (local + 1)) + 3) & ~3); - local->dev = iface->dev = dev; - iface->local = local; - iface->type = HOSTAP_INTERFACE_MASTER; - INIT_LIST_HEAD(&local->hostap_interfaces); - - local->hw_module = THIS_MODULE; - -#ifdef PRISM2_IO_DEBUG - local->io_debug_enabled = 1; -#endif /* PRISM2_IO_DEBUG */ - - local->func = funcs; - local->func->cmd = hfa384x_cmd; - local->func->read_regs = hfa384x_read_regs; - local->func->get_rid = hfa384x_get_rid; - local->func->set_rid = hfa384x_set_rid; - local->func->hw_enable = prism2_hw_enable; - local->func->hw_config = prism2_hw_config; - local->func->hw_reset = prism2_hw_reset; - local->func->hw_shutdown = prism2_hw_shutdown; - local->func->reset_port = prism2_reset_port; - local->func->schedule_reset = prism2_schedule_reset; -#ifdef PRISM2_DOWNLOAD_SUPPORT - local->func->read_aux_fops = &prism2_download_aux_dump_proc_fops; - local->func->download = prism2_download; -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - local->func->tx = prism2_tx_80211; - local->func->set_tim = prism2_set_tim; - local->func->need_tx_headroom = 0; /* no need to add txdesc in - * skb->data (FIX: maybe for DMA bus - * mastering? */ - - local->mtu = mtu; - - rwlock_init(&local->iface_lock); - spin_lock_init(&local->txfidlock); - spin_lock_init(&local->cmdlock); - spin_lock_init(&local->baplock); - spin_lock_init(&local->lock); - spin_lock_init(&local->irq_init_lock); - mutex_init(&local->rid_bap_mtx); - - if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES) - card_idx = 0; - local->card_idx = card_idx; - - len = strlen(essid); - memcpy(local->essid, essid, - len > MAX_SSID_LEN ? MAX_SSID_LEN : len); - local->essid[MAX_SSID_LEN] = '\0'; - i = GET_INT_PARM(iw_mode, card_idx); - if ((i >= IW_MODE_ADHOC && i <= IW_MODE_REPEAT) || - i == IW_MODE_MONITOR) { - local->iw_mode = i; - } else { - printk(KERN_WARNING "prism2: Unknown iw_mode %d; using " - "IW_MODE_MASTER\n", i); - local->iw_mode = IW_MODE_MASTER; - } - local->channel = GET_INT_PARM(channel, card_idx); - local->beacon_int = GET_INT_PARM(beacon_int, card_idx); - local->dtim_period = GET_INT_PARM(dtim_period, card_idx); - local->wds_max_connections = 16; - local->tx_control = HFA384X_TX_CTRL_FLAGS; - local->manual_retry_count = -1; - local->rts_threshold = 2347; - local->fragm_threshold = 2346; - local->rssi_to_dBm = 100; /* default; to be overriden by - * cnfDbmAdjust, if available */ - local->auth_algs = PRISM2_AUTH_OPEN | PRISM2_AUTH_SHARED_KEY; - local->sram_type = -1; - local->scan_channel_mask = 0xffff; - local->monitor_type = PRISM2_MONITOR_RADIOTAP; - - /* Initialize task queue structures */ - INIT_WORK(&local->reset_queue, handle_reset_queue); - INIT_WORK(&local->set_multicast_list_queue, - hostap_set_multicast_list_queue); - - INIT_WORK(&local->set_tim_queue, handle_set_tim_queue); - INIT_LIST_HEAD(&local->set_tim_list); - spin_lock_init(&local->set_tim_lock); - - INIT_WORK(&local->comms_qual_update, handle_comms_qual_update); - - /* Initialize tasklets for handling hardware IRQ related operations - * outside hw IRQ handler */ -#define HOSTAP_TASKLET_INIT(q, f, d) \ -do { memset((q), 0, sizeof(*(q))); (q)->func = (f); (q)->data = (d); } \ -while (0) - HOSTAP_TASKLET_INIT(&local->bap_tasklet, hostap_bap_tasklet, - (unsigned long) local); - - HOSTAP_TASKLET_INIT(&local->info_tasklet, hostap_info_tasklet, - (unsigned long) local); - hostap_info_init(local); - - HOSTAP_TASKLET_INIT(&local->rx_tasklet, - hostap_rx_tasklet, (unsigned long) local); - skb_queue_head_init(&local->rx_list); - - HOSTAP_TASKLET_INIT(&local->sta_tx_exc_tasklet, - hostap_sta_tx_exc_tasklet, (unsigned long) local); - skb_queue_head_init(&local->sta_tx_exc_list); - - INIT_LIST_HEAD(&local->cmd_queue); - init_waitqueue_head(&local->hostscan_wq); - - lib80211_crypt_info_init(&local->crypt_info, dev->name, &local->lock); - - init_timer(&local->passive_scan_timer); - local->passive_scan_timer.data = (unsigned long) local; - local->passive_scan_timer.function = hostap_passive_scan; - - init_timer(&local->tick_timer); - local->tick_timer.data = (unsigned long) local; - local->tick_timer.function = hostap_tick_timer; - local->tick_timer.expires = jiffies + 2 * HZ; - add_timer(&local->tick_timer); - - INIT_LIST_HEAD(&local->bss_list); - - hostap_setup_dev(dev, local, HOSTAP_INTERFACE_MASTER); - - dev->type = ARPHRD_IEEE80211; - dev->header_ops = &hostap_80211_ops; - - rtnl_lock(); - ret = dev_alloc_name(dev, "wifi%d"); - SET_NETDEV_DEV(dev, sdev); - if (ret >= 0) - ret = register_netdevice(dev); - - prism2_set_lockdep_class(dev); - rtnl_unlock(); - if (ret < 0) { - printk(KERN_WARNING "%s: register netdevice failed!\n", - dev_info); - goto fail; - } - printk(KERN_INFO "%s: Registered netdevice %s\n", dev_info, dev->name); - - hostap_init_data(local); - return dev; - - fail: - free_netdev(dev); - return NULL; -} - - -static int hostap_hw_ready(struct net_device *dev) -{ - struct hostap_interface *iface; - struct local_info *local; - - iface = netdev_priv(dev); - local = iface->local; - local->ddev = hostap_add_interface(local, HOSTAP_INTERFACE_MAIN, 0, - "", dev_template); - - if (local->ddev) { - if (local->iw_mode == IW_MODE_INFRA || - local->iw_mode == IW_MODE_ADHOC) { - netif_carrier_off(local->dev); - netif_carrier_off(local->ddev); - } - hostap_init_proc(local); -#ifndef PRISM2_NO_PROCFS_DEBUG - proc_create_data("registers", 0, local->proc, - &prism2_registers_proc_fops, local); -#endif /* PRISM2_NO_PROCFS_DEBUG */ - hostap_init_ap_proc(local); - return 0; - } - - return -1; -} - - -static void prism2_free_local_data(struct net_device *dev) -{ - struct hostap_tx_callback_info *tx_cb, *tx_cb_prev; - int i; - struct hostap_interface *iface; - struct local_info *local; - struct list_head *ptr, *n; - - if (dev == NULL) - return; - - iface = netdev_priv(dev); - local = iface->local; - - /* Unregister all netdevs before freeing local data. */ - list_for_each_safe(ptr, n, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type == HOSTAP_INTERFACE_MASTER) { - /* special handling for this interface below */ - continue; - } - hostap_remove_interface(iface->dev, 0, 1); - } - - unregister_netdev(local->dev); - - flush_work(&local->reset_queue); - flush_work(&local->set_multicast_list_queue); - flush_work(&local->set_tim_queue); -#ifndef PRISM2_NO_STATION_MODES - flush_work(&local->info_queue); -#endif - flush_work(&local->comms_qual_update); - - lib80211_crypt_info_free(&local->crypt_info); - - if (timer_pending(&local->passive_scan_timer)) - del_timer(&local->passive_scan_timer); - - if (timer_pending(&local->tick_timer)) - del_timer(&local->tick_timer); - - prism2_clear_cmd_queue(local); - - skb_queue_purge(&local->info_list); - skb_queue_purge(&local->rx_list); - skb_queue_purge(&local->sta_tx_exc_list); - - if (local->dev_enabled) - prism2_callback(local, PRISM2_CALLBACK_DISABLE); - - if (local->ap != NULL) - hostap_free_data(local->ap); - -#ifndef PRISM2_NO_PROCFS_DEBUG - if (local->proc != NULL) - remove_proc_entry("registers", local->proc); -#endif /* PRISM2_NO_PROCFS_DEBUG */ - hostap_remove_proc(local); - - tx_cb = local->tx_callback; - while (tx_cb != NULL) { - tx_cb_prev = tx_cb; - tx_cb = tx_cb->next; - kfree(tx_cb_prev); - } - - hostap_set_hostapd(local, 0, 0); - hostap_set_hostapd_sta(local, 0, 0); - - for (i = 0; i < PRISM2_FRAG_CACHE_LEN; i++) { - if (local->frag_cache[i].skb != NULL) - dev_kfree_skb(local->frag_cache[i].skb); - } - -#ifdef PRISM2_DOWNLOAD_SUPPORT - prism2_download_free_data(local->dl_pri); - prism2_download_free_data(local->dl_sec); -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - - prism2_clear_set_tim_queue(local); - - list_for_each_safe(ptr, n, &local->bss_list) { - struct hostap_bss_info *bss = - list_entry(ptr, struct hostap_bss_info, list); - kfree(bss); - } - - kfree(local->pda); - kfree(local->last_scan_results); - kfree(local->generic_elem); - - free_netdev(local->dev); -} - - -#if (defined(PRISM2_PCI) && defined(CONFIG_PM)) || defined(PRISM2_PCCARD) -static void prism2_suspend(struct net_device *dev) -{ - struct hostap_interface *iface; - struct local_info *local; - union iwreq_data wrqu; - - iface = netdev_priv(dev); - local = iface->local; - - /* Send disconnect event, e.g., to trigger reassociation after resume - * if wpa_supplicant is used. */ - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); - - /* Disable hardware and firmware */ - prism2_hw_shutdown(dev, 0); -} -#endif /* (PRISM2_PCI && CONFIG_PM) || PRISM2_PCCARD */ - - -/* These might at some point be compiled separately and used as separate - * kernel modules or linked into one */ -#ifdef PRISM2_DOWNLOAD_SUPPORT -#include "hostap_download.c" -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - -#ifdef PRISM2_CALLBACK -/* External hostap_callback.c file can be used to, e.g., blink activity led. - * This can use platform specific code and must define prism2_callback() - * function (if PRISM2_CALLBACK is not defined, these function calls are not - * used. */ -#include "hostap_callback.c" -#endif /* PRISM2_CALLBACK */ diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c deleted file mode 100644 index 7635ac4f6679..000000000000 --- a/drivers/net/wireless/hostap/hostap_info.c +++ /dev/null @@ -1,507 +0,0 @@ -/* Host AP driver Info Frame processing (part of hostap.o module) */ - -#include -#include -#include -#include -#include -#include "hostap_wlan.h" -#include "hostap.h" -#include "hostap_ap.h" - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info_commtallies16(local_info_t *local, unsigned char *buf, - int left) -{ - struct hfa384x_comm_tallies *tallies; - - if (left < sizeof(struct hfa384x_comm_tallies)) { - printk(KERN_DEBUG "%s: too short (len=%d) commtallies " - "info frame\n", local->dev->name, left); - return; - } - - tallies = (struct hfa384x_comm_tallies *) buf; -#define ADD_COMM_TALLIES(name) \ -local->comm_tallies.name += le16_to_cpu(tallies->name) - ADD_COMM_TALLIES(tx_unicast_frames); - ADD_COMM_TALLIES(tx_multicast_frames); - ADD_COMM_TALLIES(tx_fragments); - ADD_COMM_TALLIES(tx_unicast_octets); - ADD_COMM_TALLIES(tx_multicast_octets); - ADD_COMM_TALLIES(tx_deferred_transmissions); - ADD_COMM_TALLIES(tx_single_retry_frames); - ADD_COMM_TALLIES(tx_multiple_retry_frames); - ADD_COMM_TALLIES(tx_retry_limit_exceeded); - ADD_COMM_TALLIES(tx_discards); - ADD_COMM_TALLIES(rx_unicast_frames); - ADD_COMM_TALLIES(rx_multicast_frames); - ADD_COMM_TALLIES(rx_fragments); - ADD_COMM_TALLIES(rx_unicast_octets); - ADD_COMM_TALLIES(rx_multicast_octets); - ADD_COMM_TALLIES(rx_fcs_errors); - ADD_COMM_TALLIES(rx_discards_no_buffer); - ADD_COMM_TALLIES(tx_discards_wrong_sa); - ADD_COMM_TALLIES(rx_discards_wep_undecryptable); - ADD_COMM_TALLIES(rx_message_in_msg_fragments); - ADD_COMM_TALLIES(rx_message_in_bad_msg_fragments); -#undef ADD_COMM_TALLIES -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info_commtallies32(local_info_t *local, unsigned char *buf, - int left) -{ - struct hfa384x_comm_tallies32 *tallies; - - if (left < sizeof(struct hfa384x_comm_tallies32)) { - printk(KERN_DEBUG "%s: too short (len=%d) commtallies32 " - "info frame\n", local->dev->name, left); - return; - } - - tallies = (struct hfa384x_comm_tallies32 *) buf; -#define ADD_COMM_TALLIES(name) \ -local->comm_tallies.name += le32_to_cpu(tallies->name) - ADD_COMM_TALLIES(tx_unicast_frames); - ADD_COMM_TALLIES(tx_multicast_frames); - ADD_COMM_TALLIES(tx_fragments); - ADD_COMM_TALLIES(tx_unicast_octets); - ADD_COMM_TALLIES(tx_multicast_octets); - ADD_COMM_TALLIES(tx_deferred_transmissions); - ADD_COMM_TALLIES(tx_single_retry_frames); - ADD_COMM_TALLIES(tx_multiple_retry_frames); - ADD_COMM_TALLIES(tx_retry_limit_exceeded); - ADD_COMM_TALLIES(tx_discards); - ADD_COMM_TALLIES(rx_unicast_frames); - ADD_COMM_TALLIES(rx_multicast_frames); - ADD_COMM_TALLIES(rx_fragments); - ADD_COMM_TALLIES(rx_unicast_octets); - ADD_COMM_TALLIES(rx_multicast_octets); - ADD_COMM_TALLIES(rx_fcs_errors); - ADD_COMM_TALLIES(rx_discards_no_buffer); - ADD_COMM_TALLIES(tx_discards_wrong_sa); - ADD_COMM_TALLIES(rx_discards_wep_undecryptable); - ADD_COMM_TALLIES(rx_message_in_msg_fragments); - ADD_COMM_TALLIES(rx_message_in_bad_msg_fragments); -#undef ADD_COMM_TALLIES -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info_commtallies(local_info_t *local, unsigned char *buf, - int left) -{ - if (local->tallies32) - prism2_info_commtallies32(local, buf, left); - else - prism2_info_commtallies16(local, buf, left); -} - - -#ifndef PRISM2_NO_STATION_MODES -#ifndef PRISM2_NO_DEBUG -static const char* hfa384x_linkstatus_str(u16 linkstatus) -{ - switch (linkstatus) { - case HFA384X_LINKSTATUS_CONNECTED: - return "Connected"; - case HFA384X_LINKSTATUS_DISCONNECTED: - return "Disconnected"; - case HFA384X_LINKSTATUS_AP_CHANGE: - return "Access point change"; - case HFA384X_LINKSTATUS_AP_OUT_OF_RANGE: - return "Access point out of range"; - case HFA384X_LINKSTATUS_AP_IN_RANGE: - return "Access point in range"; - case HFA384X_LINKSTATUS_ASSOC_FAILED: - return "Association failed"; - default: - return "Unknown"; - } -} -#endif /* PRISM2_NO_DEBUG */ - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info_linkstatus(local_info_t *local, unsigned char *buf, - int left) -{ - u16 val; - int non_sta_mode; - - /* Alloc new JoinRequests to occur since LinkStatus for the previous - * has been received */ - local->last_join_time = 0; - - if (left != 2) { - printk(KERN_DEBUG "%s: invalid linkstatus info frame " - "length %d\n", local->dev->name, left); - return; - } - - non_sta_mode = local->iw_mode == IW_MODE_MASTER || - local->iw_mode == IW_MODE_REPEAT || - local->iw_mode == IW_MODE_MONITOR; - - val = buf[0] | (buf[1] << 8); - if (!non_sta_mode || val != HFA384X_LINKSTATUS_DISCONNECTED) { - PDEBUG(DEBUG_EXTRA, "%s: LinkStatus=%d (%s)\n", - local->dev->name, val, hfa384x_linkstatus_str(val)); - } - - if (non_sta_mode) { - netif_carrier_on(local->dev); - netif_carrier_on(local->ddev); - return; - } - - /* Get current BSSID later in scheduled task */ - set_bit(PRISM2_INFO_PENDING_LINKSTATUS, &local->pending_info); - local->prev_link_status = val; - schedule_work(&local->info_queue); -} - - -static void prism2_host_roaming(local_info_t *local) -{ - struct hfa384x_join_request req; - struct net_device *dev = local->dev; - struct hfa384x_hostscan_result *selected, *entry; - int i; - unsigned long flags; - - if (local->last_join_time && - time_before(jiffies, local->last_join_time + 10 * HZ)) { - PDEBUG(DEBUG_EXTRA, "%s: last join request has not yet been " - "completed - waiting for it before issuing new one\n", - dev->name); - return; - } - - /* ScanResults are sorted: first ESS results in decreasing signal - * quality then IBSS results in similar order. - * Trivial roaming policy: just select the first entry. - * This could probably be improved by adding hysteresis to limit - * number of handoffs, etc. - * - * Could do periodic RID_SCANREQUEST or Inquire F101 to get new - * ScanResults */ - spin_lock_irqsave(&local->lock, flags); - if (local->last_scan_results == NULL || - local->last_scan_results_count == 0) { - spin_unlock_irqrestore(&local->lock, flags); - PDEBUG(DEBUG_EXTRA, "%s: no scan results for host roaming\n", - dev->name); - return; - } - - selected = &local->last_scan_results[0]; - - if (local->preferred_ap[0] || local->preferred_ap[1] || - local->preferred_ap[2] || local->preferred_ap[3] || - local->preferred_ap[4] || local->preferred_ap[5]) { - /* Try to find preferred AP */ - PDEBUG(DEBUG_EXTRA, "%s: Preferred AP BSSID %pM\n", - dev->name, local->preferred_ap); - for (i = 0; i < local->last_scan_results_count; i++) { - entry = &local->last_scan_results[i]; - if (memcmp(local->preferred_ap, entry->bssid, 6) == 0) - { - PDEBUG(DEBUG_EXTRA, "%s: using preferred AP " - "selection\n", dev->name); - selected = entry; - break; - } - } - } - - memcpy(req.bssid, selected->bssid, ETH_ALEN); - req.channel = selected->chid; - spin_unlock_irqrestore(&local->lock, flags); - - PDEBUG(DEBUG_EXTRA, "%s: JoinRequest: BSSID=%pM" - " channel=%d\n", - dev->name, req.bssid, le16_to_cpu(req.channel)); - if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req, - sizeof(req))) { - printk(KERN_DEBUG "%s: JoinRequest failed\n", dev->name); - } - local->last_join_time = jiffies; -} - - -static void hostap_report_scan_complete(local_info_t *local) -{ - union iwreq_data wrqu; - - /* Inform user space about new scan results (just empty event, - * SIOCGIWSCAN can be used to fetch data */ - wrqu.data.length = 0; - wrqu.data.flags = 0; - wireless_send_event(local->dev, SIOCGIWSCAN, &wrqu, NULL); - - /* Allow SIOCGIWSCAN handling to occur since we have received - * scanning result */ - local->scan_timestamp = 0; -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info_scanresults(local_info_t *local, unsigned char *buf, - int left) -{ - u16 *pos; - int new_count, i; - unsigned long flags; - struct hfa384x_scan_result *res; - struct hfa384x_hostscan_result *results, *prev; - - if (left < 4) { - printk(KERN_DEBUG "%s: invalid scanresult info frame " - "length %d\n", local->dev->name, left); - return; - } - - pos = (u16 *) buf; - pos++; - pos++; - left -= 4; - - new_count = left / sizeof(struct hfa384x_scan_result); - results = kmalloc(new_count * sizeof(struct hfa384x_hostscan_result), - GFP_ATOMIC); - if (results == NULL) - return; - - /* Convert to hostscan result format. */ - res = (struct hfa384x_scan_result *) pos; - for (i = 0; i < new_count; i++) { - memcpy(&results[i], &res[i], - sizeof(struct hfa384x_scan_result)); - results[i].atim = 0; - } - - spin_lock_irqsave(&local->lock, flags); - local->last_scan_type = PRISM2_SCAN; - prev = local->last_scan_results; - local->last_scan_results = results; - local->last_scan_results_count = new_count; - spin_unlock_irqrestore(&local->lock, flags); - kfree(prev); - - hostap_report_scan_complete(local); - - /* Perform rest of ScanResults handling later in scheduled task */ - set_bit(PRISM2_INFO_PENDING_SCANRESULTS, &local->pending_info); - schedule_work(&local->info_queue); -} - - -/* Called only as a tasklet (software IRQ) */ -static void prism2_info_hostscanresults(local_info_t *local, - unsigned char *buf, int left) -{ - int i, result_size, copy_len, new_count; - struct hfa384x_hostscan_result *results, *prev; - unsigned long flags; - __le16 *pos; - u8 *ptr; - - wake_up_interruptible(&local->hostscan_wq); - - if (left < 4) { - printk(KERN_DEBUG "%s: invalid hostscanresult info frame " - "length %d\n", local->dev->name, left); - return; - } - - pos = (__le16 *) buf; - copy_len = result_size = le16_to_cpu(*pos); - if (result_size == 0) { - printk(KERN_DEBUG "%s: invalid result_size (0) in " - "hostscanresults\n", local->dev->name); - return; - } - if (copy_len > sizeof(struct hfa384x_hostscan_result)) - copy_len = sizeof(struct hfa384x_hostscan_result); - - pos++; - pos++; - left -= 4; - ptr = (u8 *) pos; - - new_count = left / result_size; - results = kcalloc(new_count, sizeof(struct hfa384x_hostscan_result), - GFP_ATOMIC); - if (results == NULL) - return; - - for (i = 0; i < new_count; i++) { - memcpy(&results[i], ptr, copy_len); - ptr += result_size; - left -= result_size; - } - - if (left) { - printk(KERN_DEBUG "%s: short HostScan result entry (%d/%d)\n", - local->dev->name, left, result_size); - } - - spin_lock_irqsave(&local->lock, flags); - local->last_scan_type = PRISM2_HOSTSCAN; - prev = local->last_scan_results; - local->last_scan_results = results; - local->last_scan_results_count = new_count; - spin_unlock_irqrestore(&local->lock, flags); - kfree(prev); - - hostap_report_scan_complete(local); -} -#endif /* PRISM2_NO_STATION_MODES */ - - -/* Called only as a tasklet (software IRQ) */ -void hostap_info_process(local_info_t *local, struct sk_buff *skb) -{ - struct hfa384x_info_frame *info; - unsigned char *buf; - int left; -#ifndef PRISM2_NO_DEBUG - int i; -#endif /* PRISM2_NO_DEBUG */ - - info = (struct hfa384x_info_frame *) skb->data; - buf = skb->data + sizeof(*info); - left = skb->len - sizeof(*info); - - switch (le16_to_cpu(info->type)) { - case HFA384X_INFO_COMMTALLIES: - prism2_info_commtallies(local, buf, left); - break; - -#ifndef PRISM2_NO_STATION_MODES - case HFA384X_INFO_LINKSTATUS: - prism2_info_linkstatus(local, buf, left); - break; - - case HFA384X_INFO_SCANRESULTS: - prism2_info_scanresults(local, buf, left); - break; - - case HFA384X_INFO_HOSTSCANRESULTS: - prism2_info_hostscanresults(local, buf, left); - break; -#endif /* PRISM2_NO_STATION_MODES */ - -#ifndef PRISM2_NO_DEBUG - default: - PDEBUG(DEBUG_EXTRA, "%s: INFO - len=%d type=0x%04x\n", - local->dev->name, le16_to_cpu(info->len), - le16_to_cpu(info->type)); - PDEBUG(DEBUG_EXTRA, "Unknown info frame:"); - for (i = 0; i < (left < 100 ? left : 100); i++) - PDEBUG2(DEBUG_EXTRA, " %02x", buf[i]); - PDEBUG2(DEBUG_EXTRA, "\n"); - break; -#endif /* PRISM2_NO_DEBUG */ - } -} - - -#ifndef PRISM2_NO_STATION_MODES -static void handle_info_queue_linkstatus(local_info_t *local) -{ - int val = local->prev_link_status; - int connected; - union iwreq_data wrqu; - - connected = - val == HFA384X_LINKSTATUS_CONNECTED || - val == HFA384X_LINKSTATUS_AP_CHANGE || - val == HFA384X_LINKSTATUS_AP_IN_RANGE; - - if (local->func->get_rid(local->dev, HFA384X_RID_CURRENTBSSID, - local->bssid, ETH_ALEN, 1) < 0) { - printk(KERN_DEBUG "%s: could not read CURRENTBSSID after " - "LinkStatus event\n", local->dev->name); - } else { - PDEBUG(DEBUG_EXTRA, "%s: LinkStatus: BSSID=%pM\n", - local->dev->name, - (unsigned char *) local->bssid); - if (local->wds_type & HOSTAP_WDS_AP_CLIENT) - hostap_add_sta(local->ap, local->bssid); - } - - /* Get BSSID if we have a valid AP address */ - if (connected) { - netif_carrier_on(local->dev); - netif_carrier_on(local->ddev); - memcpy(wrqu.ap_addr.sa_data, local->bssid, ETH_ALEN); - } else { - netif_carrier_off(local->dev); - netif_carrier_off(local->ddev); - eth_zero_addr(wrqu.ap_addr.sa_data); - } - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - - /* - * Filter out sequential disconnect events in order not to cause a - * flood of SIOCGIWAP events that have a race condition with EAPOL - * frames and can confuse wpa_supplicant about the current association - * status. - */ - if (connected || local->prev_linkstatus_connected) - wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); - local->prev_linkstatus_connected = connected; -} - - -static void handle_info_queue_scanresults(local_info_t *local) -{ - if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) - prism2_host_roaming(local); - - if (local->host_roaming == 2 && local->iw_mode == IW_MODE_INFRA && - !is_zero_ether_addr(local->preferred_ap)) { - /* - * Firmware seems to be getting into odd state in host_roaming - * mode 2 when hostscan is used without join command, so try - * to fix this by re-joining the current AP. This does not - * actually trigger a new association if the current AP is - * still in the scan results. - */ - prism2_host_roaming(local); - } -} - - -/* Called only as scheduled task after receiving info frames (used to avoid - * pending too much time in HW IRQ handler). */ -static void handle_info_queue(struct work_struct *work) -{ - local_info_t *local = container_of(work, local_info_t, info_queue); - - if (test_and_clear_bit(PRISM2_INFO_PENDING_LINKSTATUS, - &local->pending_info)) - handle_info_queue_linkstatus(local); - - if (test_and_clear_bit(PRISM2_INFO_PENDING_SCANRESULTS, - &local->pending_info)) - handle_info_queue_scanresults(local); -} -#endif /* PRISM2_NO_STATION_MODES */ - - -void hostap_info_init(local_info_t *local) -{ - skb_queue_head_init(&local->info_list); -#ifndef PRISM2_NO_STATION_MODES - INIT_WORK(&local->info_queue, handle_info_queue); -#endif /* PRISM2_NO_STATION_MODES */ -} - - -EXPORT_SYMBOL(hostap_info_init); -EXPORT_SYMBOL(hostap_info_process); diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c deleted file mode 100644 index 3e5fa7872b64..000000000000 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ /dev/null @@ -1,4054 +0,0 @@ -/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "hostap_wlan.h" -#include "hostap.h" -#include "hostap_ap.h" - -static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct iw_statistics *wstats; - - iface = netdev_priv(dev); - local = iface->local; - - /* Why are we doing that ? Jean II */ - if (iface->type != HOSTAP_INTERFACE_MAIN) - return NULL; - - wstats = &local->wstats; - - wstats->status = 0; - wstats->discard.code = - local->comm_tallies.rx_discards_wep_undecryptable; - wstats->discard.misc = - local->comm_tallies.rx_fcs_errors + - local->comm_tallies.rx_discards_no_buffer + - local->comm_tallies.tx_discards_wrong_sa; - - wstats->discard.retries = - local->comm_tallies.tx_retry_limit_exceeded; - wstats->discard.fragment = - local->comm_tallies.rx_message_in_bad_msg_fragments; - - if (local->iw_mode != IW_MODE_MASTER && - local->iw_mode != IW_MODE_REPEAT) { - int update = 1; -#ifdef in_atomic - /* RID reading might sleep and it must not be called in - * interrupt context or while atomic. However, this - * function seems to be called while atomic (at least in Linux - * 2.5.59). Update signal quality values only if in suitable - * context. Otherwise, previous values read from tick timer - * will be used. */ - if (in_atomic()) - update = 0; -#endif /* in_atomic */ - - if (update && prism2_update_comms_qual(dev) == 0) - wstats->qual.updated = IW_QUAL_ALL_UPDATED | - IW_QUAL_DBM; - - wstats->qual.qual = local->comms_qual; - wstats->qual.level = local->avg_signal; - wstats->qual.noise = local->avg_noise; - } else { - wstats->qual.qual = 0; - wstats->qual.level = 0; - wstats->qual.noise = 0; - wstats->qual.updated = IW_QUAL_ALL_INVALID; - } - - return wstats; -} - - -static int prism2_get_datarates(struct net_device *dev, u8 *rates) -{ - struct hostap_interface *iface; - local_info_t *local; - u8 buf[12]; - int len; - u16 val; - - iface = netdev_priv(dev); - local = iface->local; - - len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf, - sizeof(buf), 0); - if (len < 2) - return 0; - - val = le16_to_cpu(*(__le16 *) buf); /* string length */ - - if (len - 2 < val || val > 10) - return 0; - - memcpy(rates, buf + 2, val); - return val; -} - - -static int prism2_get_name(struct net_device *dev, - struct iw_request_info *info, - char *name, char *extra) -{ - u8 rates[10]; - int len, i, over2 = 0; - - len = prism2_get_datarates(dev, rates); - - for (i = 0; i < len; i++) { - if (rates[i] == 0x0b || rates[i] == 0x16) { - over2 = 1; - break; - } - } - - strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS"); - - return 0; -} - - -static int prism2_ioctl_siwencode(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *keybuf) -{ - struct hostap_interface *iface; - local_info_t *local; - int i; - struct lib80211_crypt_data **crypt; - - iface = netdev_priv(dev); - local = iface->local; - - i = erq->flags & IW_ENCODE_INDEX; - if (i < 1 || i > 4) - i = local->crypt_info.tx_keyidx; - else - i--; - if (i < 0 || i >= WEP_KEYS) - return -EINVAL; - - crypt = &local->crypt_info.crypt[i]; - - if (erq->flags & IW_ENCODE_DISABLED) { - if (*crypt) - lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); - goto done; - } - - if (*crypt != NULL && (*crypt)->ops != NULL && - strcmp((*crypt)->ops->name, "WEP") != 0) { - /* changing to use WEP; deinit previously used algorithm */ - lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); - } - - if (*crypt == NULL) { - struct lib80211_crypt_data *new_crypt; - - /* take WEP into use */ - new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), - GFP_KERNEL); - if (new_crypt == NULL) - return -ENOMEM; - new_crypt->ops = lib80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("lib80211_crypt_wep"); - new_crypt->ops = lib80211_get_crypto_ops("WEP"); - } - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) - new_crypt->priv = new_crypt->ops->init(i); - if (!new_crypt->ops || !new_crypt->priv) { - kfree(new_crypt); - new_crypt = NULL; - - printk(KERN_WARNING "%s: could not initialize WEP: " - "load module hostap_crypt_wep.o\n", - dev->name); - return -EOPNOTSUPP; - } - *crypt = new_crypt; - } - - if (erq->length > 0) { - int len = erq->length <= 5 ? 5 : 13; - int first = 1, j; - if (len > erq->length) - memset(keybuf + erq->length, 0, len - erq->length); - (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv); - for (j = 0; j < WEP_KEYS; j++) { - if (j != i && local->crypt_info.crypt[j]) { - first = 0; - break; - } - } - if (first) - local->crypt_info.tx_keyidx = i; - } else { - /* No key data - just set the default TX key index */ - local->crypt_info.tx_keyidx = i; - } - - done: - local->open_wep = erq->flags & IW_ENCODE_OPEN; - - if (hostap_set_encryption(local)) { - printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name); - return -EINVAL; - } - - /* Do not reset port0 if card is in Managed mode since resetting will - * generate new IEEE 802.11 authentication which may end up in looping - * with IEEE 802.1X. Prism2 documentation seem to require port reset - * after WEP configuration. However, keys are apparently changed at - * least in Managed mode. */ - if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) { - printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); - return -EINVAL; - } - - return 0; -} - - -static int prism2_ioctl_giwencode(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *key) -{ - struct hostap_interface *iface; - local_info_t *local; - int i, len; - u16 val; - struct lib80211_crypt_data *crypt; - - iface = netdev_priv(dev); - local = iface->local; - - i = erq->flags & IW_ENCODE_INDEX; - if (i < 1 || i > 4) - i = local->crypt_info.tx_keyidx; - else - i--; - if (i < 0 || i >= WEP_KEYS) - return -EINVAL; - - crypt = local->crypt_info.crypt[i]; - erq->flags = i + 1; - - if (crypt == NULL || crypt->ops == NULL) { - erq->length = 0; - erq->flags |= IW_ENCODE_DISABLED; - return 0; - } - - if (strcmp(crypt->ops->name, "WEP") != 0) { - /* only WEP is supported with wireless extensions, so just - * report that encryption is used */ - erq->length = 0; - erq->flags |= IW_ENCODE_ENABLED; - return 0; - } - - /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show - * the keys from driver buffer */ - len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv); - erq->length = (len >= 0 ? len : 0); - - if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0) - { - printk("CNFWEPFLAGS reading failed\n"); - return -EOPNOTSUPP; - } - le16_to_cpus(&val); - if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED) - erq->flags |= IW_ENCODE_ENABLED; - else - erq->flags |= IW_ENCODE_DISABLED; - if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED) - erq->flags |= IW_ENCODE_RESTRICTED; - else - erq->flags |= IW_ENCODE_OPEN; - - return 0; -} - - -static int hostap_set_rate(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret, basic_rates; - - iface = netdev_priv(dev); - local = iface->local; - - basic_rates = local->basic_rates & local->tx_rate_control; - if (!basic_rates || basic_rates != local->basic_rates) { - printk(KERN_INFO "%s: updating basic rate set automatically " - "to match with the new supported rate set\n", - dev->name); - if (!basic_rates) - basic_rates = local->tx_rate_control; - - local->basic_rates = basic_rates; - if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES, - basic_rates)) - printk(KERN_WARNING "%s: failed to set " - "cnfBasicRates\n", dev->name); - } - - ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL, - local->tx_rate_control) || - hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES, - local->tx_rate_control) || - local->func->reset_port(dev)); - - if (ret) { - printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates " - "setting to 0x%x failed\n", - dev->name, local->tx_rate_control); - } - - /* Update TX rate configuration for all STAs based on new operational - * rate set. */ - hostap_update_rates(local); - - return ret; -} - - -static int prism2_ioctl_siwrate(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (rrq->fixed) { - switch (rrq->value) { - case 11000000: - local->tx_rate_control = HFA384X_RATES_11MBPS; - break; - case 5500000: - local->tx_rate_control = HFA384X_RATES_5MBPS; - break; - case 2000000: - local->tx_rate_control = HFA384X_RATES_2MBPS; - break; - case 1000000: - local->tx_rate_control = HFA384X_RATES_1MBPS; - break; - default: - local->tx_rate_control = HFA384X_RATES_1MBPS | - HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS | - HFA384X_RATES_11MBPS; - break; - } - } else { - switch (rrq->value) { - case 11000000: - local->tx_rate_control = HFA384X_RATES_1MBPS | - HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS | - HFA384X_RATES_11MBPS; - break; - case 5500000: - local->tx_rate_control = HFA384X_RATES_1MBPS | - HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS; - break; - case 2000000: - local->tx_rate_control = HFA384X_RATES_1MBPS | - HFA384X_RATES_2MBPS; - break; - case 1000000: - local->tx_rate_control = HFA384X_RATES_1MBPS; - break; - default: - local->tx_rate_control = HFA384X_RATES_1MBPS | - HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS | - HFA384X_RATES_11MBPS; - break; - } - } - - return hostap_set_rate(dev); -} - - -static int prism2_ioctl_giwrate(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ - u16 val; - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) < - 0) - return -EINVAL; - - if ((val & 0x1) && (val > 1)) - rrq->fixed = 0; - else - rrq->fixed = 1; - - if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL && - !local->fw_tx_rate_control) { - /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in - * Host AP mode, so use the recorded TX rate of the last sent - * frame */ - rrq->value = local->ap->last_tx_rate > 0 ? - local->ap->last_tx_rate * 100000 : 11000000; - return 0; - } - - if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) < - 0) - return -EINVAL; - - switch (val) { - case HFA384X_RATES_1MBPS: - rrq->value = 1000000; - break; - case HFA384X_RATES_2MBPS: - rrq->value = 2000000; - break; - case HFA384X_RATES_5MBPS: - rrq->value = 5500000; - break; - case HFA384X_RATES_11MBPS: - rrq->value = 11000000; - break; - default: - /* should not happen */ - rrq->value = 11000000; - ret = -EINVAL; - break; - } - - return ret; -} - - -static int prism2_ioctl_siwsens(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *sens, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - /* Set the desired AP density */ - if (sens->value < 1 || sens->value > 3) - return -EINVAL; - - if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) || - local->func->reset_port(dev)) - return -EINVAL; - - return 0; -} - -static int prism2_ioctl_giwsens(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *sens, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 val; - - iface = netdev_priv(dev); - local = iface->local; - - /* Get the current AP density */ - if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) < - 0) - return -EINVAL; - - sens->value = le16_to_cpu(val); - sens->fixed = 1; - - return 0; -} - - -/* Deprecated in new wireless extension API */ -static int prism2_ioctl_giwaplist(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - struct sockaddr *addr; - struct iw_quality *qual; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->iw_mode != IW_MODE_MASTER) { - printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported " - "in Host AP mode\n"); - data->length = 0; - return -EOPNOTSUPP; - } - - addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL); - qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL); - if (addr == NULL || qual == NULL) { - kfree(addr); - kfree(qual); - data->length = 0; - return -ENOMEM; - } - - data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1); - - memcpy(extra, addr, sizeof(struct sockaddr) * data->length); - data->flags = 1; /* has quality information */ - memcpy(extra + sizeof(struct sockaddr) * data->length, qual, - sizeof(struct iw_quality) * data->length); - - kfree(addr); - kfree(qual); - return 0; -} - - -static int prism2_ioctl_siwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 val; - - iface = netdev_priv(dev); - local = iface->local; - - if (rts->disabled) - val = cpu_to_le16(2347); - else if (rts->value < 0 || rts->value > 2347) - return -EINVAL; - else - val = cpu_to_le16(rts->value); - - if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) || - local->func->reset_port(dev)) - return -EINVAL; - - local->rts_threshold = rts->value; - - return 0; -} - -static int prism2_ioctl_giwrts(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 val; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) < - 0) - return -EINVAL; - - rts->value = le16_to_cpu(val); - rts->disabled = (rts->value == 2347); - rts->fixed = 1; - - return 0; -} - - -static int prism2_ioctl_siwfrag(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 val; - - iface = netdev_priv(dev); - local = iface->local; - - if (rts->disabled) - val = cpu_to_le16(2346); - else if (rts->value < 256 || rts->value > 2346) - return -EINVAL; - else - val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */ - - local->fragm_threshold = rts->value & ~0x1; - if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val, - 2) - || local->func->reset_port(dev)) - return -EINVAL; - - return 0; -} - -static int prism2_ioctl_giwfrag(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rts, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 val; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, - &val, 2, 1) < 0) - return -EINVAL; - - rts->value = le16_to_cpu(val); - rts->disabled = (rts->value == 2346); - rts->fixed = 1; - - return 0; -} - - -#ifndef PRISM2_NO_STATION_MODES -static int hostap_join_ap(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_join_request req; - unsigned long flags; - int i; - struct hfa384x_hostscan_result *entry; - - iface = netdev_priv(dev); - local = iface->local; - - memcpy(req.bssid, local->preferred_ap, ETH_ALEN); - req.channel = 0; - - spin_lock_irqsave(&local->lock, flags); - for (i = 0; i < local->last_scan_results_count; i++) { - if (!local->last_scan_results) - break; - entry = &local->last_scan_results[i]; - if (ether_addr_equal(local->preferred_ap, entry->bssid)) { - req.channel = entry->chid; - break; - } - } - spin_unlock_irqrestore(&local->lock, flags); - - if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req, - sizeof(req))) { - printk(KERN_DEBUG "%s: JoinRequest %pM failed\n", - dev->name, local->preferred_ap); - return -1; - } - - printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n", - dev->name, local->preferred_ap); - - return 0; -} -#endif /* PRISM2_NO_STATION_MODES */ - - -static int prism2_ioctl_siwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ -#ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; -#else /* PRISM2_NO_STATION_MODES */ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN); - - if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) { - struct hfa384x_scan_request scan_req; - memset(&scan_req, 0, sizeof(scan_req)); - scan_req.channel_list = cpu_to_le16(0x3fff); - scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS); - if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, - &scan_req, sizeof(scan_req))) { - printk(KERN_DEBUG "%s: ScanResults request failed - " - "preferred AP delayed to next unsolicited " - "scan\n", dev->name); - } - } else if (local->host_roaming == 2 && - local->iw_mode == IW_MODE_INFRA) { - if (hostap_join_ap(dev)) - return -EINVAL; - } else { - printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only " - "in Managed mode when host_roaming is enabled\n", - dev->name); - } - - return 0; -#endif /* PRISM2_NO_STATION_MODES */ -} - -static int prism2_ioctl_giwap(struct net_device *dev, - struct iw_request_info *info, - struct sockaddr *ap_addr, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - ap_addr->sa_family = ARPHRD_ETHER; - switch (iface->type) { - case HOSTAP_INTERFACE_AP: - memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN); - break; - case HOSTAP_INTERFACE_STA: - memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN); - break; - case HOSTAP_INTERFACE_WDS: - memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN); - break; - default: - if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID, - &ap_addr->sa_data, ETH_ALEN, 1) < 0) - return -EOPNOTSUPP; - - /* local->bssid is also updated in LinkStatus handler when in - * station mode */ - memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN); - break; - } - - return 0; -} - - -static int prism2_ioctl_siwnickn(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *nickname) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - memset(local->name, 0, sizeof(local->name)); - memcpy(local->name, nickname, data->length); - local->name_set = 1; - - if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) || - local->func->reset_port(dev)) - return -EINVAL; - - return 0; -} - -static int prism2_ioctl_giwnickn(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *nickname) -{ - struct hostap_interface *iface; - local_info_t *local; - int len; - char name[MAX_NAME_LEN + 3]; - u16 val; - - iface = netdev_priv(dev); - local = iface->local; - - len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME, - &name, MAX_NAME_LEN + 2, 0); - val = le16_to_cpu(*(__le16 *) name); - if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN) - return -EOPNOTSUPP; - - name[val + 2] = '\0'; - data->length = val + 1; - memcpy(nickname, name + 2, val + 1); - - return 0; -} - - -static int prism2_ioctl_siwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - /* freq => chan. */ - if (freq->e == 1 && - freq->m / 100000 >= freq_list[0] && - freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) { - int ch; - int fr = freq->m / 100000; - for (ch = 0; ch < FREQ_COUNT; ch++) { - if (fr == freq_list[ch]) { - freq->e = 0; - freq->m = ch + 1; - break; - } - } - } - - if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT || - !(local->channel_mask & (1 << (freq->m - 1)))) - return -EINVAL; - - local->channel = freq->m; /* channel is used in prism2_setup_rids() */ - if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) || - local->func->reset_port(dev)) - return -EINVAL; - - return 0; -} - -static int prism2_ioctl_giwfreq(struct net_device *dev, - struct iw_request_info *info, - struct iw_freq *freq, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - u16 val; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) < - 0) - return -EINVAL; - - le16_to_cpus(&val); - if (val < 1 || val > FREQ_COUNT) - return -EINVAL; - - freq->m = freq_list[val - 1] * 100000; - freq->e = 1; - - return 0; -} - - -static void hostap_monitor_set_type(local_info_t *local) -{ - struct net_device *dev = local->ddev; - - if (dev == NULL) - return; - - if (local->monitor_type == PRISM2_MONITOR_PRISM || - local->monitor_type == PRISM2_MONITOR_CAPHDR) { - dev->type = ARPHRD_IEEE80211_PRISM; - } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) { - dev->type = ARPHRD_IEEE80211_RADIOTAP; - } else { - dev->type = ARPHRD_IEEE80211; - } -} - - -static int prism2_ioctl_siwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *ssid) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (iface->type == HOSTAP_INTERFACE_WDS) - return -EOPNOTSUPP; - - if (data->flags == 0) - ssid[0] = '\0'; /* ANY */ - - if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') { - /* Setting SSID to empty string seems to kill the card in - * Host AP mode */ - printk(KERN_DEBUG "%s: Host AP mode does not support " - "'Any' essid\n", dev->name); - return -EINVAL; - } - - memcpy(local->essid, ssid, data->length); - local->essid[data->length] = '\0'; - - if ((!local->fw_ap && - hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid)) - || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) || - local->func->reset_port(dev)) - return -EINVAL; - - return 0; -} - -static int prism2_ioctl_giwessid(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *essid) -{ - struct hostap_interface *iface; - local_info_t *local; - u16 val; - - iface = netdev_priv(dev); - local = iface->local; - - if (iface->type == HOSTAP_INTERFACE_WDS) - return -EOPNOTSUPP; - - data->flags = 1; /* active */ - if (local->iw_mode == IW_MODE_MASTER) { - data->length = strlen(local->essid); - memcpy(essid, local->essid, IW_ESSID_MAX_SIZE); - } else { - int len; - char ssid[MAX_SSID_LEN + 2]; - memset(ssid, 0, sizeof(ssid)); - len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID, - &ssid, MAX_SSID_LEN + 2, 0); - val = le16_to_cpu(*(__le16 *) ssid); - if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) { - return -EOPNOTSUPP; - } - data->length = val; - memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE); - } - - return 0; -} - - -static int prism2_ioctl_giwrange(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - struct iw_range *range = (struct iw_range *) extra; - u8 rates[10]; - u16 val; - int i, len, over2; - - iface = netdev_priv(dev); - local = iface->local; - - data->length = sizeof(struct iw_range); - memset(range, 0, sizeof(struct iw_range)); - - /* TODO: could fill num_txpower and txpower array with - * something; however, there are 128 different values.. */ - - range->txpower_capa = IW_TXPOW_DBM; - - if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC) - { - range->min_pmp = 1 * 1024; - range->max_pmp = 65535 * 1024; - range->min_pmt = 1 * 1024; - range->max_pmt = 1000 * 1024; - range->pmp_flags = IW_POWER_PERIOD; - range->pmt_flags = IW_POWER_TIMEOUT; - range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | - IW_POWER_UNICAST_R | IW_POWER_ALL_R; - } - - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = 18; - - range->retry_capa = IW_RETRY_LIMIT; - range->retry_flags = IW_RETRY_LIMIT; - range->min_retry = 0; - range->max_retry = 255; - - range->num_channels = FREQ_COUNT; - - val = 0; - for (i = 0; i < FREQ_COUNT; i++) { - if (local->channel_mask & (1 << i)) { - range->freq[val].i = i + 1; - range->freq[val].m = freq_list[i] * 100000; - range->freq[val].e = 1; - val++; - } - if (val == IW_MAX_FREQUENCIES) - break; - } - range->num_frequency = val; - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { - range->max_qual.qual = 70; /* what is correct max? This was not - * documented exactly. At least - * 69 has been observed. */ - range->max_qual.level = 0; /* dB */ - range->max_qual.noise = 0; /* dB */ - - /* What would be suitable values for "average/typical" qual? */ - range->avg_qual.qual = 20; - range->avg_qual.level = -60; - range->avg_qual.noise = -95; - } else { - range->max_qual.qual = 92; /* 0 .. 92 */ - range->max_qual.level = 154; /* 27 .. 154 */ - range->max_qual.noise = 154; /* 27 .. 154 */ - } - range->sensitivity = 3; - - range->max_encoding_tokens = WEP_KEYS; - range->num_encoding_sizes = 2; - range->encoding_size[0] = 5; - range->encoding_size[1] = 13; - - over2 = 0; - len = prism2_get_datarates(dev, rates); - range->num_bitrates = 0; - for (i = 0; i < len; i++) { - if (range->num_bitrates < IW_MAX_BITRATES) { - range->bitrate[range->num_bitrates] = - rates[i] * 500000; - range->num_bitrates++; - } - if (rates[i] == 0x0b || rates[i] == 0x16) - over2 = 1; - } - /* estimated maximum TCP throughput values (bps) */ - range->throughput = over2 ? 5500000 : 1500000; - - range->min_rts = 0; - range->max_rts = 2347; - range->min_frag = 256; - range->max_frag = 2346; - - /* Event capability (kernel + driver) */ - range->event_capa[0] = (IW_EVENT_CAPA_K_0 | - IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | - IW_EVENT_CAPA_MASK(SIOCGIWAP) | - IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); - range->event_capa[1] = IW_EVENT_CAPA_K_1; - range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) | - IW_EVENT_CAPA_MASK(IWEVCUSTOM) | - IW_EVENT_CAPA_MASK(IWEVREGISTERED) | - IW_EVENT_CAPA_MASK(IWEVEXPIRED)); - - range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | - IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) - range->scan_capa = IW_SCAN_CAPA_ESSID; - - return 0; -} - - -static int hostap_monitor_mode_enable(local_info_t *local) -{ - struct net_device *dev = local->dev; - - printk(KERN_DEBUG "Enabling monitor mode\n"); - hostap_monitor_set_type(local); - - if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, - HFA384X_PORTTYPE_PSEUDO_IBSS)) { - printk(KERN_DEBUG "Port type setting for monitor mode " - "failed\n"); - return -EOPNOTSUPP; - } - - /* Host decrypt is needed to get the IV and ICV fields; - * however, monitor mode seems to remove WEP flag from frame - * control field */ - if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS, - HFA384X_WEPFLAGS_HOSTENCRYPT | - HFA384X_WEPFLAGS_HOSTDECRYPT)) { - printk(KERN_DEBUG "WEP flags setting failed\n"); - return -EOPNOTSUPP; - } - - if (local->func->reset_port(dev) || - local->func->cmd(dev, HFA384X_CMDCODE_TEST | - (HFA384X_TEST_MONITOR << 8), - 0, NULL, NULL)) { - printk(KERN_DEBUG "Setting monitor mode failed\n"); - return -EOPNOTSUPP; - } - - return 0; -} - - -static int hostap_monitor_mode_disable(local_info_t *local) -{ - struct net_device *dev = local->ddev; - - if (dev == NULL) - return -1; - - printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name); - dev->type = ARPHRD_ETHER; - - if (local->func->cmd(dev, HFA384X_CMDCODE_TEST | - (HFA384X_TEST_STOP << 8), - 0, NULL, NULL)) - return -1; - return hostap_set_encryption(local); -} - - -static int prism2_ioctl_siwmode(struct net_device *dev, - struct iw_request_info *info, - __u32 *mode, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - int double_reset = 0; - - iface = netdev_priv(dev); - local = iface->local; - - if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA && - *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT && - *mode != IW_MODE_MONITOR) - return -EOPNOTSUPP; - -#ifdef PRISM2_NO_STATION_MODES - if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA) - return -EOPNOTSUPP; -#endif /* PRISM2_NO_STATION_MODES */ - - if (*mode == local->iw_mode) - return 0; - - if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') { - printk(KERN_WARNING "%s: empty SSID not allowed in Master " - "mode\n", dev->name); - return -EINVAL; - } - - if (local->iw_mode == IW_MODE_MONITOR) - hostap_monitor_mode_disable(local); - - if ((local->iw_mode == IW_MODE_ADHOC || - local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) { - /* There seems to be a firmware bug in at least STA f/w v1.5.6 - * that leaves beacon frames to use IBSS type when moving from - * IBSS to Host AP mode. Doing double Port0 reset seems to be - * enough to workaround this. */ - double_reset = 1; - } - - printk(KERN_DEBUG "prism2: %s: operating mode changed " - "%d -> %d\n", dev->name, local->iw_mode, *mode); - local->iw_mode = *mode; - - if (local->iw_mode == IW_MODE_MONITOR) - hostap_monitor_mode_enable(local); - else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt && - !local->fw_encrypt_ok) { - printk(KERN_DEBUG "%s: defaulting to host-based encryption as " - "a workaround for firmware bug in Host AP mode WEP\n", - dev->name); - local->host_encrypt = 1; - } - - if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, - hostap_get_porttype(local))) - return -EOPNOTSUPP; - - if (local->func->reset_port(dev)) - return -EINVAL; - if (double_reset && local->func->reset_port(dev)) - return -EINVAL; - - if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC) - { - /* netif_carrier is used only in client modes for now, so make - * sure carrier is on when moving to non-client modes. */ - netif_carrier_on(local->dev); - netif_carrier_on(local->ddev); - } - return 0; -} - - -static int prism2_ioctl_giwmode(struct net_device *dev, - struct iw_request_info *info, - __u32 *mode, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - switch (iface->type) { - case HOSTAP_INTERFACE_STA: - *mode = IW_MODE_INFRA; - break; - case HOSTAP_INTERFACE_WDS: - *mode = IW_MODE_REPEAT; - break; - default: - *mode = local->iw_mode; - break; - } - return 0; -} - - -static int prism2_ioctl_siwpower(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *wrq, char *extra) -{ -#ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; -#else /* PRISM2_NO_STATION_MODES */ - int ret = 0; - - if (wrq->disabled) - return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0); - - switch (wrq->flags & IW_POWER_MODE) { - case IW_POWER_UNICAST_R: - ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0); - if (ret) - return ret; - ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); - if (ret) - return ret; - break; - case IW_POWER_ALL_R: - ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1); - if (ret) - return ret; - ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); - if (ret) - return ret; - break; - case IW_POWER_ON: - break; - default: - return -EINVAL; - } - - if (wrq->flags & IW_POWER_TIMEOUT) { - ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); - if (ret) - return ret; - ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION, - wrq->value / 1024); - if (ret) - return ret; - } - if (wrq->flags & IW_POWER_PERIOD) { - ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); - if (ret) - return ret; - ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION, - wrq->value / 1024); - if (ret) - return ret; - } - - return ret; -#endif /* PRISM2_NO_STATION_MODES */ -} - - -static int prism2_ioctl_giwpower(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ -#ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; -#else /* PRISM2_NO_STATION_MODES */ - struct hostap_interface *iface; - local_info_t *local; - __le16 enable, mcast; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1) - < 0) - return -EINVAL; - - if (!le16_to_cpu(enable)) { - rrq->disabled = 1; - return 0; - } - - rrq->disabled = 0; - - if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { - __le16 timeout; - if (local->func->get_rid(dev, - HFA384X_RID_CNFPMHOLDOVERDURATION, - &timeout, 2, 1) < 0) - return -EINVAL; - - rrq->flags = IW_POWER_TIMEOUT; - rrq->value = le16_to_cpu(timeout) * 1024; - } else { - __le16 period; - if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION, - &period, 2, 1) < 0) - return -EINVAL; - - rrq->flags = IW_POWER_PERIOD; - rrq->value = le16_to_cpu(period) * 1024; - } - - if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast, - 2, 1) < 0) - return -EINVAL; - - if (le16_to_cpu(mcast)) - rrq->flags |= IW_POWER_ALL_R; - else - rrq->flags |= IW_POWER_UNICAST_R; - - return 0; -#endif /* PRISM2_NO_STATION_MODES */ -} - - -static int prism2_ioctl_siwretry(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (rrq->disabled) - return -EINVAL; - - /* setting retry limits is not supported with the current station - * firmware code; simulate this with alternative retry count for now */ - if (rrq->flags == IW_RETRY_LIMIT) { - if (rrq->value < 0) { - /* disable manual retry count setting and use firmware - * defaults */ - local->manual_retry_count = -1; - local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY; - } else { - if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT, - rrq->value)) { - printk(KERN_DEBUG "%s: Alternate retry count " - "setting to %d failed\n", - dev->name, rrq->value); - return -EOPNOTSUPP; - } - - local->manual_retry_count = rrq->value; - local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY; - } - return 0; - } - - return -EOPNOTSUPP; - -#if 0 - /* what could be done, if firmware would support this.. */ - - if (rrq->flags & IW_RETRY_LIMIT) { - if (rrq->flags & IW_RETRY_LONG) - HFA384X_RID_LONGRETRYLIMIT = rrq->value; - else if (rrq->flags & IW_RETRY_SHORT) - HFA384X_RID_SHORTRETRYLIMIT = rrq->value; - else { - HFA384X_RID_LONGRETRYLIMIT = rrq->value; - HFA384X_RID_SHORTRETRYLIMIT = rrq->value; - } - - } - - if (rrq->flags & IW_RETRY_LIFETIME) { - HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024; - } - - return 0; -#endif /* 0 */ -} - -static int prism2_ioctl_giwretry(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - __le16 shortretry, longretry, lifetime, altretry; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry, - 2, 1) < 0 || - local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry, - 2, 1) < 0 || - local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME, - &lifetime, 2, 1) < 0) - return -EINVAL; - - rrq->disabled = 0; - - if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { - rrq->flags = IW_RETRY_LIFETIME; - rrq->value = le16_to_cpu(lifetime) * 1024; - } else { - if (local->manual_retry_count >= 0) { - rrq->flags = IW_RETRY_LIMIT; - if (local->func->get_rid(dev, - HFA384X_RID_CNFALTRETRYCOUNT, - &altretry, 2, 1) >= 0) - rrq->value = le16_to_cpu(altretry); - else - rrq->value = local->manual_retry_count; - } else if ((rrq->flags & IW_RETRY_LONG)) { - rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; - rrq->value = le16_to_cpu(longretry); - } else { - rrq->flags = IW_RETRY_LIMIT; - rrq->value = le16_to_cpu(shortretry); - if (shortretry != longretry) - rrq->flags |= IW_RETRY_SHORT; - } - } - return 0; -} - - -/* Note! This TX power controlling is experimental and should not be used in - * production use. It just sets raw power register and does not use any kind of - * feedback information from the measured TX power (CR58). This is now - * commented out to make sure that it is not used by accident. TX power - * configuration will be enabled again after proper algorithm using feedback - * has been implemented. */ - -#ifdef RAW_TXPOWER_SETTING -/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping.. - * This version assumes following mapping: - * CR31 is 7-bit value with -64 to +63 range. - * -64 is mapped into +20dBm and +63 into -43dBm. - * This is certainly not an exact mapping for every card, but at least - * increasing dBm value should correspond to increasing TX power. - */ - -static int prism2_txpower_hfa386x_to_dBm(u16 val) -{ - signed char tmp; - - if (val > 255) - val = 255; - - tmp = val; - tmp >>= 2; - - return -12 - tmp; -} - -static u16 prism2_txpower_dBm_to_hfa386x(int val) -{ - signed char tmp; - - if (val > 20) - return 128; - else if (val < -43) - return 127; - - tmp = val; - tmp = -12 - tmp; - tmp <<= 2; - - return (unsigned char) tmp; -} -#endif /* RAW_TXPOWER_SETTING */ - - -static int prism2_ioctl_siwtxpow(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; -#ifdef RAW_TXPOWER_SETTING - char *tmp; -#endif - u16 val; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - if (rrq->disabled) { - if (local->txpower_type != PRISM2_TXPOWER_OFF) { - val = 0xff; /* use all standby and sleep modes */ - ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_A_D_TEST_MODES2, - &val, NULL); - printk(KERN_DEBUG "%s: Turning radio off: %s\n", - dev->name, ret ? "failed" : "OK"); - local->txpower_type = PRISM2_TXPOWER_OFF; - } - return (ret ? -EOPNOTSUPP : 0); - } - - if (local->txpower_type == PRISM2_TXPOWER_OFF) { - val = 0; /* disable all standby and sleep modes */ - ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_A_D_TEST_MODES2, &val, NULL); - printk(KERN_DEBUG "%s: Turning radio on: %s\n", - dev->name, ret ? "failed" : "OK"); - local->txpower_type = PRISM2_TXPOWER_UNKNOWN; - } - -#ifdef RAW_TXPOWER_SETTING - if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) { - printk(KERN_DEBUG "Setting ALC on\n"); - val = HFA384X_TEST_CFG_BIT_ALC; - local->func->cmd(dev, HFA384X_CMDCODE_TEST | - (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL); - local->txpower_type = PRISM2_TXPOWER_AUTO; - return 0; - } - - if (local->txpower_type != PRISM2_TXPOWER_FIXED) { - printk(KERN_DEBUG "Setting ALC off\n"); - val = HFA384X_TEST_CFG_BIT_ALC; - local->func->cmd(dev, HFA384X_CMDCODE_TEST | - (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL); - local->txpower_type = PRISM2_TXPOWER_FIXED; - } - - if (rrq->flags == IW_TXPOW_DBM) - tmp = "dBm"; - else if (rrq->flags == IW_TXPOW_MWATT) - tmp = "mW"; - else - tmp = "UNKNOWN"; - printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp); - - if (rrq->flags != IW_TXPOW_DBM) { - printk("SIOCSIWTXPOW with mW is not supported; use dBm\n"); - return -EOPNOTSUPP; - } - - local->txpower = rrq->value; - val = prism2_txpower_dBm_to_hfa386x(local->txpower); - if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_MANUAL_TX_POWER, &val, NULL)) - ret = -EOPNOTSUPP; -#else /* RAW_TXPOWER_SETTING */ - if (rrq->fixed) - ret = -EOPNOTSUPP; -#endif /* RAW_TXPOWER_SETTING */ - - return ret; -} - -static int prism2_ioctl_giwtxpow(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *rrq, char *extra) -{ -#ifdef RAW_TXPOWER_SETTING - struct hostap_interface *iface; - local_info_t *local; - u16 resp0; - - iface = netdev_priv(dev); - local = iface->local; - - rrq->flags = IW_TXPOW_DBM; - rrq->disabled = 0; - rrq->fixed = 0; - - if (local->txpower_type == PRISM2_TXPOWER_AUTO) { - if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, - HFA386X_CR_MANUAL_TX_POWER, - NULL, &resp0) == 0) { - rrq->value = prism2_txpower_hfa386x_to_dBm(resp0); - } else { - /* Could not get real txpower; guess 15 dBm */ - rrq->value = 15; - } - } else if (local->txpower_type == PRISM2_TXPOWER_OFF) { - rrq->value = 0; - rrq->disabled = 1; - } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) { - rrq->value = local->txpower; - rrq->fixed = 1; - } else { - printk("SIOCGIWTXPOW - unknown txpower_type=%d\n", - local->txpower_type); - } - return 0; -#else /* RAW_TXPOWER_SETTING */ - return -EOPNOTSUPP; -#endif /* RAW_TXPOWER_SETTING */ -} - - -#ifndef PRISM2_NO_STATION_MODES - -/* HostScan request works with and without host_roaming mode. In addition, it - * does not break current association. However, it requires newer station - * firmware version (>= 1.3.1) than scan request. */ -static int prism2_request_hostscan(struct net_device *dev, - u8 *ssid, u8 ssid_len) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_hostscan_request scan_req; - - iface = netdev_priv(dev); - local = iface->local; - - memset(&scan_req, 0, sizeof(scan_req)); - scan_req.channel_list = cpu_to_le16(local->channel_mask & - local->scan_channel_mask); - scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS); - if (ssid) { - if (ssid_len > 32) - return -EINVAL; - scan_req.target_ssid_len = cpu_to_le16(ssid_len); - memcpy(scan_req.target_ssid, ssid, ssid_len); - } - - if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req, - sizeof(scan_req))) { - printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name); - return -EINVAL; - } - return 0; -} - - -static int prism2_request_scan(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_scan_request scan_req; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - memset(&scan_req, 0, sizeof(scan_req)); - scan_req.channel_list = cpu_to_le16(local->channel_mask & - local->scan_channel_mask); - scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS); - - /* FIX: - * It seems to be enough to set roaming mode for a short moment to - * host-based and then setup scanrequest data and return the mode to - * firmware-based. - * - * Master mode would need to drop to Managed mode for a short while - * to make scanning work.. Or sweep through the different channels and - * use passive scan based on beacons. */ - - if (!local->host_roaming) - hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE, - HFA384X_ROAMING_HOST); - - if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req, - sizeof(scan_req))) { - printk(KERN_DEBUG "SCANREQUEST failed\n"); - ret = -EINVAL; - } - - if (!local->host_roaming) - hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE, - HFA384X_ROAMING_FIRMWARE); - - return ret; -} - -#else /* !PRISM2_NO_STATION_MODES */ - -static inline int prism2_request_hostscan(struct net_device *dev, - u8 *ssid, u8 ssid_len) -{ - return -EOPNOTSUPP; -} - - -static inline int prism2_request_scan(struct net_device *dev) -{ - return -EOPNOTSUPP; -} - -#endif /* !PRISM2_NO_STATION_MODES */ - - -static int prism2_ioctl_siwscan(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret; - u8 *ssid = NULL, ssid_len = 0; - struct iw_scan_req *req = (struct iw_scan_req *) extra; - - iface = netdev_priv(dev); - local = iface->local; - - if (data->length < sizeof(struct iw_scan_req)) - req = NULL; - - if (local->iw_mode == IW_MODE_MASTER) { - /* In master mode, we just return the results of our local - * tables, so we don't need to start anything... - * Jean II */ - data->length = 0; - return 0; - } - - if (!local->dev_enabled) - return -ENETDOWN; - - if (req && data->flags & IW_SCAN_THIS_ESSID) { - ssid = req->essid; - ssid_len = req->essid_len; - - if (ssid_len && - ((local->iw_mode != IW_MODE_INFRA && - local->iw_mode != IW_MODE_ADHOC) || - (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))) - return -EOPNOTSUPP; - } - - if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) - ret = prism2_request_hostscan(dev, ssid, ssid_len); - else - ret = prism2_request_scan(dev); - - if (ret == 0) - local->scan_timestamp = jiffies; - - /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */ - - return ret; -} - - -#ifndef PRISM2_NO_STATION_MODES -static char * __prism2_translate_scan(local_info_t *local, - struct iw_request_info *info, - struct hfa384x_hostscan_result *scan, - struct hostap_bss_info *bss, - char *current_ev, char *end_buf) -{ - int i, chan; - struct iw_event iwe; - char *current_val; - u16 capabilities; - u8 *pos; - u8 *ssid, *bssid; - size_t ssid_len; - char *buf; - - if (bss) { - ssid = bss->ssid; - ssid_len = bss->ssid_len; - bssid = bss->bssid; - } else { - ssid = scan->ssid; - ssid_len = le16_to_cpu(scan->ssid_len); - bssid = scan->bssid; - } - if (ssid_len > 32) - ssid_len = 32; - - /* First entry *MUST* be the AP MAC address */ - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN); - current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, - IW_EV_ADDR_LEN); - - /* Other entries will be displayed in the order we give them */ - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = ssid_len; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, ssid); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWMODE; - if (bss) { - capabilities = bss->capab_info; - } else { - capabilities = le16_to_cpu(scan->capability); - } - if (capabilities & (WLAN_CAPABILITY_ESS | - WLAN_CAPABILITY_IBSS)) { - if (capabilities & WLAN_CAPABILITY_ESS) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_ADHOC; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_UINT_LEN); - } - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWFREQ; - if (scan) { - chan = le16_to_cpu(scan->chid); - } else if (bss) { - chan = bss->chan; - } else { - chan = 0; - } - - if (chan > 0) { - iwe.u.freq.m = freq_list[chan - 1] * 100000; - iwe.u.freq.e = 1; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_FREQ_LEN); - } - - if (scan) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVQUAL; - if (local->last_scan_type == PRISM2_HOSTSCAN) { - iwe.u.qual.level = le16_to_cpu(scan->sl); - iwe.u.qual.noise = le16_to_cpu(scan->anl); - } else { - iwe.u.qual.level = - HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl)); - iwe.u.qual.noise = - HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl)); - } - iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED - | IW_QUAL_NOISE_UPDATED - | IW_QUAL_QUAL_INVALID - | IW_QUAL_DBM; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_QUAL_LEN); - } - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWENCODE; - if (capabilities & WLAN_CAPABILITY_PRIVACY) - iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - iwe.u.data.length = 0; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, ""); - - /* TODO: add SuppRates into BSS table */ - if (scan) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = SIOCGIWRATE; - current_val = current_ev + iwe_stream_lcp_len(info); - pos = scan->sup_rates; - for (i = 0; i < sizeof(scan->sup_rates); i++) { - if (pos[i] == 0) - break; - /* Bit rate given in 500 kb/s units (+ 0x80) */ - iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000); - current_val = iwe_stream_add_value( - info, current_ev, current_val, end_buf, &iwe, - IW_EV_PARAM_LEN); - } - /* Check if we added any event */ - if ((current_val - current_ev) > iwe_stream_lcp_len(info)) - current_ev = current_val; - } - - /* TODO: add BeaconInt,resp_rate,atim into BSS table */ - buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC); - if (buf && scan) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval)); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, buf); - - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate)); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, buf); - - if (local->last_scan_type == PRISM2_HOSTSCAN && - (capabilities & WLAN_CAPABILITY_IBSS)) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "atim=%d", le16_to_cpu(scan->atim)); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, - end_buf, &iwe, buf); - } - } - kfree(buf); - - if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = bss->wpa_ie_len; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, bss->wpa_ie); - } - - if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) { - memset(&iwe, 0, sizeof(iwe)); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = bss->rsn_ie_len; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, bss->rsn_ie); - } - - return current_ev; -} - - -/* Translate scan data returned from the card to a card independent - * format that the Wireless Tools will understand - Jean II */ -static inline int prism2_translate_scan(local_info_t *local, - struct iw_request_info *info, - char *buffer, int buflen) -{ - struct hfa384x_hostscan_result *scan; - int entry, hostscan; - char *current_ev = buffer; - char *end_buf = buffer + buflen; - struct list_head *ptr; - - spin_lock_bh(&local->lock); - - list_for_each(ptr, &local->bss_list) { - struct hostap_bss_info *bss; - bss = list_entry(ptr, struct hostap_bss_info, list); - bss->included = 0; - } - - hostscan = local->last_scan_type == PRISM2_HOSTSCAN; - for (entry = 0; entry < local->last_scan_results_count; entry++) { - int found = 0; - scan = &local->last_scan_results[entry]; - - /* Report every SSID if the AP is using multiple SSIDs. If no - * BSS record is found (e.g., when WPA mode is disabled), - * report the AP once. */ - list_for_each(ptr, &local->bss_list) { - struct hostap_bss_info *bss; - bss = list_entry(ptr, struct hostap_bss_info, list); - if (ether_addr_equal(bss->bssid, scan->bssid)) { - bss->included = 1; - current_ev = __prism2_translate_scan( - local, info, scan, bss, current_ev, - end_buf); - found++; - } - } - if (!found) { - current_ev = __prism2_translate_scan( - local, info, scan, NULL, current_ev, end_buf); - } - /* Check if there is space for one more entry */ - if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) { - /* Ask user space to try again with a bigger buffer */ - spin_unlock_bh(&local->lock); - return -E2BIG; - } - } - - /* Prism2 firmware has limits (32 at least in some versions) for number - * of BSSes in scan results. Extend this limit by using local BSS list. - */ - list_for_each(ptr, &local->bss_list) { - struct hostap_bss_info *bss; - bss = list_entry(ptr, struct hostap_bss_info, list); - if (bss->included) - continue; - current_ev = __prism2_translate_scan(local, info, NULL, bss, - current_ev, end_buf); - /* Check if there is space for one more entry */ - if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) { - /* Ask user space to try again with a bigger buffer */ - spin_unlock_bh(&local->lock); - return -E2BIG; - } - } - - spin_unlock_bh(&local->lock); - - return current_ev - buffer; -} -#endif /* PRISM2_NO_STATION_MODES */ - - -static inline int prism2_ioctl_giwscan_sta(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ -#ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; -#else /* PRISM2_NO_STATION_MODES */ - struct hostap_interface *iface; - local_info_t *local; - int res; - - iface = netdev_priv(dev); - local = iface->local; - - /* Wait until the scan is finished. We can probably do better - * than that - Jean II */ - if (local->scan_timestamp && - time_before(jiffies, local->scan_timestamp + 3 * HZ)) { - /* Important note : we don't want to block the caller - * until results are ready for various reasons. - * First, managing wait queues is complex and racy - * (there may be multiple simultaneous callers). - * Second, we grab some rtnetlink lock before coming - * here (in dev_ioctl()). - * Third, the caller can wait on the Wireless Event - * - Jean II */ - return -EAGAIN; - } - local->scan_timestamp = 0; - - res = prism2_translate_scan(local, info, extra, data->length); - - if (res >= 0) { - data->length = res; - return 0; - } else { - data->length = 0; - return res; - } -#endif /* PRISM2_NO_STATION_MODES */ -} - - -static int prism2_ioctl_giwscan(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - int res; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->iw_mode == IW_MODE_MASTER) { - /* In MASTER mode, it doesn't make sense to go around - * scanning the frequencies and make the stations we serve - * wait when what the user is really interested about is the - * list of stations and access points we are talking to. - * So, just extract results from our cache... - * Jean II */ - - /* Translate to WE format */ - res = prism2_ap_translate_scan(dev, info, extra); - if (res >= 0) { - printk(KERN_DEBUG "Scan result translation succeeded " - "(length=%d)\n", res); - data->length = res; - return 0; - } else { - printk(KERN_DEBUG - "Scan result translation failed (res=%d)\n", - res); - data->length = 0; - return res; - } - } else { - /* Station mode */ - return prism2_ioctl_giwscan_sta(dev, info, data, extra); - } -} - - -static const struct iw_priv_args prism2_priv[] = { - { PRISM2_IOCTL_MONITOR, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" }, - { PRISM2_IOCTL_READMIF, - IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, - IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" }, - { PRISM2_IOCTL_WRITEMIF, - IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" }, - { PRISM2_IOCTL_RESET, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" }, - { PRISM2_IOCTL_INQUIRE, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" }, - { PRISM2_IOCTL_SET_RID_WORD, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" }, - { PRISM2_IOCTL_MACCMD, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" }, - { PRISM2_IOCTL_WDS_ADD, - IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" }, - { PRISM2_IOCTL_WDS_DEL, - IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" }, - { PRISM2_IOCTL_ADDMAC, - IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" }, - { PRISM2_IOCTL_DELMAC, - IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" }, - { PRISM2_IOCTL_KICKMAC, - IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" }, - /* --- raw access to sub-ioctls --- */ - { PRISM2_IOCTL_PRISM2_PARAM, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" }, - { PRISM2_IOCTL_GET_PRISM2_PARAM, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" }, - /* --- sub-ioctls handlers --- */ - { PRISM2_IOCTL_PRISM2_PARAM, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" }, - { PRISM2_IOCTL_GET_PRISM2_PARAM, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" }, - /* --- sub-ioctls definitions --- */ - { PRISM2_PARAM_TXRATECTRL, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" }, - { PRISM2_PARAM_TXRATECTRL, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" }, - { PRISM2_PARAM_BEACON_INT, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" }, - { PRISM2_PARAM_BEACON_INT, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" }, -#ifndef PRISM2_NO_STATION_MODES - { PRISM2_PARAM_PSEUDO_IBSS, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" }, - { PRISM2_PARAM_PSEUDO_IBSS, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" }, -#endif /* PRISM2_NO_STATION_MODES */ - { PRISM2_PARAM_ALC, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" }, - { PRISM2_PARAM_ALC, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" }, - { PRISM2_PARAM_DUMP, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" }, - { PRISM2_PARAM_DUMP, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" }, - { PRISM2_PARAM_OTHER_AP_POLICY, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" }, - { PRISM2_PARAM_OTHER_AP_POLICY, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" }, - { PRISM2_PARAM_AP_MAX_INACTIVITY, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" }, - { PRISM2_PARAM_AP_MAX_INACTIVITY, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" }, - { PRISM2_PARAM_AP_BRIDGE_PACKETS, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" }, - { PRISM2_PARAM_AP_BRIDGE_PACKETS, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" }, - { PRISM2_PARAM_DTIM_PERIOD, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" }, - { PRISM2_PARAM_DTIM_PERIOD, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" }, - { PRISM2_PARAM_AP_NULLFUNC_ACK, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" }, - { PRISM2_PARAM_AP_NULLFUNC_ACK, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" }, - { PRISM2_PARAM_MAX_WDS, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" }, - { PRISM2_PARAM_MAX_WDS, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" }, - { PRISM2_PARAM_AP_AUTOM_AP_WDS, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" }, - { PRISM2_PARAM_AP_AUTOM_AP_WDS, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" }, - { PRISM2_PARAM_AP_AUTH_ALGS, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" }, - { PRISM2_PARAM_AP_AUTH_ALGS, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" }, - { PRISM2_PARAM_MONITOR_ALLOW_FCSERR, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" }, - { PRISM2_PARAM_MONITOR_ALLOW_FCSERR, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" }, - { PRISM2_PARAM_HOST_ENCRYPT, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" }, - { PRISM2_PARAM_HOST_ENCRYPT, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" }, - { PRISM2_PARAM_HOST_DECRYPT, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" }, - { PRISM2_PARAM_HOST_DECRYPT, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" }, -#ifndef PRISM2_NO_STATION_MODES - { PRISM2_PARAM_HOST_ROAMING, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" }, - { PRISM2_PARAM_HOST_ROAMING, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" }, -#endif /* PRISM2_NO_STATION_MODES */ - { PRISM2_PARAM_BCRX_STA_KEY, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" }, - { PRISM2_PARAM_BCRX_STA_KEY, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" }, - { PRISM2_PARAM_IEEE_802_1X, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" }, - { PRISM2_PARAM_IEEE_802_1X, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" }, - { PRISM2_PARAM_ANTSEL_TX, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" }, - { PRISM2_PARAM_ANTSEL_TX, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" }, - { PRISM2_PARAM_ANTSEL_RX, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" }, - { PRISM2_PARAM_ANTSEL_RX, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" }, - { PRISM2_PARAM_MONITOR_TYPE, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" }, - { PRISM2_PARAM_MONITOR_TYPE, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" }, - { PRISM2_PARAM_WDS_TYPE, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" }, - { PRISM2_PARAM_WDS_TYPE, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" }, - { PRISM2_PARAM_HOSTSCAN, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" }, - { PRISM2_PARAM_HOSTSCAN, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" }, - { PRISM2_PARAM_AP_SCAN, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" }, - { PRISM2_PARAM_AP_SCAN, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" }, - { PRISM2_PARAM_ENH_SEC, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" }, - { PRISM2_PARAM_ENH_SEC, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" }, -#ifdef PRISM2_IO_DEBUG - { PRISM2_PARAM_IO_DEBUG, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" }, - { PRISM2_PARAM_IO_DEBUG, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" }, -#endif /* PRISM2_IO_DEBUG */ - { PRISM2_PARAM_BASIC_RATES, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" }, - { PRISM2_PARAM_BASIC_RATES, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" }, - { PRISM2_PARAM_OPER_RATES, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" }, - { PRISM2_PARAM_OPER_RATES, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" }, - { PRISM2_PARAM_HOSTAPD, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" }, - { PRISM2_PARAM_HOSTAPD, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" }, - { PRISM2_PARAM_HOSTAPD_STA, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" }, - { PRISM2_PARAM_HOSTAPD_STA, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" }, - { PRISM2_PARAM_WPA, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" }, - { PRISM2_PARAM_WPA, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" }, - { PRISM2_PARAM_PRIVACY_INVOKED, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" }, - { PRISM2_PARAM_PRIVACY_INVOKED, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" }, - { PRISM2_PARAM_TKIP_COUNTERMEASURES, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" }, - { PRISM2_PARAM_TKIP_COUNTERMEASURES, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" }, - { PRISM2_PARAM_DROP_UNENCRYPTED, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" }, - { PRISM2_PARAM_DROP_UNENCRYPTED, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" }, - { PRISM2_PARAM_SCAN_CHANNEL_MASK, - IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" }, - { PRISM2_PARAM_SCAN_CHANNEL_MASK, - 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" }, -}; - - -static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL)) - return -EOPNOTSUPP; - - return 0; -} - - -static int prism2_ioctl_priv_prism2_param(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - int *i = (int *) extra; - int param = *i; - int value = *(i + 1); - int ret = 0; - u16 val; - - iface = netdev_priv(dev); - local = iface->local; - - switch (param) { - case PRISM2_PARAM_TXRATECTRL: - local->fw_tx_rate_control = value; - break; - - case PRISM2_PARAM_BEACON_INT: - if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) || - local->func->reset_port(dev)) - ret = -EINVAL; - else - local->beacon_int = value; - break; - -#ifndef PRISM2_NO_STATION_MODES - case PRISM2_PARAM_PSEUDO_IBSS: - if (value == local->pseudo_adhoc) - break; - - if (value != 0 && value != 1) { - ret = -EINVAL; - break; - } - - printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n", - dev->name, local->pseudo_adhoc, value); - local->pseudo_adhoc = value; - if (local->iw_mode != IW_MODE_ADHOC) - break; - - if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, - hostap_get_porttype(local))) { - ret = -EOPNOTSUPP; - break; - } - - if (local->func->reset_port(dev)) - ret = -EINVAL; - break; -#endif /* PRISM2_NO_STATION_MODES */ - - case PRISM2_PARAM_ALC: - printk(KERN_DEBUG "%s: %s ALC\n", dev->name, - value == 0 ? "Disabling" : "Enabling"); - val = HFA384X_TEST_CFG_BIT_ALC; - local->func->cmd(dev, HFA384X_CMDCODE_TEST | - (HFA384X_TEST_CFG_BITS << 8), - value == 0 ? 0 : 1, &val, NULL); - break; - - case PRISM2_PARAM_DUMP: - local->frame_dump = value; - break; - - case PRISM2_PARAM_OTHER_AP_POLICY: - if (value < 0 || value > 3) { - ret = -EINVAL; - break; - } - if (local->ap != NULL) - local->ap->ap_policy = value; - break; - - case PRISM2_PARAM_AP_MAX_INACTIVITY: - if (value < 0 || value > 7 * 24 * 60 * 60) { - ret = -EINVAL; - break; - } - if (local->ap != NULL) - local->ap->max_inactivity = value * HZ; - break; - - case PRISM2_PARAM_AP_BRIDGE_PACKETS: - if (local->ap != NULL) - local->ap->bridge_packets = value; - break; - - case PRISM2_PARAM_DTIM_PERIOD: - if (value < 0 || value > 65535) { - ret = -EINVAL; - break; - } - if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value) - || local->func->reset_port(dev)) - ret = -EINVAL; - else - local->dtim_period = value; - break; - - case PRISM2_PARAM_AP_NULLFUNC_ACK: - if (local->ap != NULL) - local->ap->nullfunc_ack = value; - break; - - case PRISM2_PARAM_MAX_WDS: - local->wds_max_connections = value; - break; - - case PRISM2_PARAM_AP_AUTOM_AP_WDS: - if (local->ap != NULL) { - if (!local->ap->autom_ap_wds && value) { - /* add WDS link to all APs in STA table */ - hostap_add_wds_links(local); - } - local->ap->autom_ap_wds = value; - } - break; - - case PRISM2_PARAM_AP_AUTH_ALGS: - local->auth_algs = value; - if (hostap_set_auth_algs(local)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_MONITOR_ALLOW_FCSERR: - local->monitor_allow_fcserr = value; - break; - - case PRISM2_PARAM_HOST_ENCRYPT: - local->host_encrypt = value; - if (hostap_set_encryption(local) || - local->func->reset_port(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_HOST_DECRYPT: - local->host_decrypt = value; - if (hostap_set_encryption(local) || - local->func->reset_port(dev)) - ret = -EINVAL; - break; - -#ifndef PRISM2_NO_STATION_MODES - case PRISM2_PARAM_HOST_ROAMING: - if (value < 0 || value > 2) { - ret = -EINVAL; - break; - } - local->host_roaming = value; - if (hostap_set_roaming(local) || local->func->reset_port(dev)) - ret = -EINVAL; - break; -#endif /* PRISM2_NO_STATION_MODES */ - - case PRISM2_PARAM_BCRX_STA_KEY: - local->bcrx_sta_key = value; - break; - - case PRISM2_PARAM_IEEE_802_1X: - local->ieee_802_1x = value; - break; - - case PRISM2_PARAM_ANTSEL_TX: - if (value < 0 || value > HOSTAP_ANTSEL_HIGH) { - ret = -EINVAL; - break; - } - local->antsel_tx = value; - hostap_set_antsel(local); - break; - - case PRISM2_PARAM_ANTSEL_RX: - if (value < 0 || value > HOSTAP_ANTSEL_HIGH) { - ret = -EINVAL; - break; - } - local->antsel_rx = value; - hostap_set_antsel(local); - break; - - case PRISM2_PARAM_MONITOR_TYPE: - if (value != PRISM2_MONITOR_80211 && - value != PRISM2_MONITOR_CAPHDR && - value != PRISM2_MONITOR_PRISM && - value != PRISM2_MONITOR_RADIOTAP) { - ret = -EINVAL; - break; - } - local->monitor_type = value; - if (local->iw_mode == IW_MODE_MONITOR) - hostap_monitor_set_type(local); - break; - - case PRISM2_PARAM_WDS_TYPE: - local->wds_type = value; - break; - - case PRISM2_PARAM_HOSTSCAN: - { - struct hfa384x_hostscan_request scan_req; - u16 rate; - - memset(&scan_req, 0, sizeof(scan_req)); - scan_req.channel_list = cpu_to_le16(0x3fff); - switch (value) { - case 1: rate = HFA384X_RATES_1MBPS; break; - case 2: rate = HFA384X_RATES_2MBPS; break; - case 3: rate = HFA384X_RATES_5MBPS; break; - case 4: rate = HFA384X_RATES_11MBPS; break; - default: rate = HFA384X_RATES_1MBPS; break; - } - scan_req.txrate = cpu_to_le16(rate); - /* leave SSID empty to accept all SSIDs */ - - if (local->iw_mode == IW_MODE_MASTER) { - if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, - HFA384X_PORTTYPE_BSS) || - local->func->reset_port(dev)) - printk(KERN_DEBUG "Leaving Host AP mode " - "for HostScan failed\n"); - } - - if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req, - sizeof(scan_req))) { - printk(KERN_DEBUG "HOSTSCAN failed\n"); - ret = -EINVAL; - } - if (local->iw_mode == IW_MODE_MASTER) { - wait_queue_t __wait; - init_waitqueue_entry(&__wait, current); - add_wait_queue(&local->hostscan_wq, &__wait); - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(HZ); - if (signal_pending(current)) - ret = -EINTR; - set_current_state(TASK_RUNNING); - remove_wait_queue(&local->hostscan_wq, &__wait); - - if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, - HFA384X_PORTTYPE_HOSTAP) || - local->func->reset_port(dev)) - printk(KERN_DEBUG "Returning to Host AP mode " - "after HostScan failed\n"); - } - break; - } - - case PRISM2_PARAM_AP_SCAN: - local->passive_scan_interval = value; - if (timer_pending(&local->passive_scan_timer)) - del_timer(&local->passive_scan_timer); - if (value > 0 && value < INT_MAX / HZ) { - local->passive_scan_timer.expires = jiffies + - local->passive_scan_interval * HZ; - add_timer(&local->passive_scan_timer); - } - break; - - case PRISM2_PARAM_ENH_SEC: - if (value < 0 || value > 3) { - ret = -EINVAL; - break; - } - local->enh_sec = value; - if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY, - local->enh_sec) || - local->func->reset_port(dev)) { - printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w " - "1.6.3 or newer\n", dev->name); - ret = -EOPNOTSUPP; - } - break; - -#ifdef PRISM2_IO_DEBUG - case PRISM2_PARAM_IO_DEBUG: - local->io_debug_enabled = value; - break; -#endif /* PRISM2_IO_DEBUG */ - - case PRISM2_PARAM_BASIC_RATES: - if ((value & local->tx_rate_control) != value || value == 0) { - printk(KERN_INFO "%s: invalid basic rate set - basic " - "rates must be in supported rate set\n", - dev->name); - ret = -EINVAL; - break; - } - local->basic_rates = value; - if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES, - local->basic_rates) || - local->func->reset_port(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_OPER_RATES: - local->tx_rate_control = value; - if (hostap_set_rate(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_HOSTAPD: - ret = hostap_set_hostapd(local, value, 1); - break; - - case PRISM2_PARAM_HOSTAPD_STA: - ret = hostap_set_hostapd_sta(local, value, 1); - break; - - case PRISM2_PARAM_WPA: - local->wpa = value; - if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) - ret = -EOPNOTSUPP; - else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, - value ? 1 : 0)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_PRIVACY_INVOKED: - local->privacy_invoked = value; - if (hostap_set_encryption(local) || - local->func->reset_port(dev)) - ret = -EINVAL; - break; - - case PRISM2_PARAM_TKIP_COUNTERMEASURES: - local->tkip_countermeasures = value; - break; - - case PRISM2_PARAM_DROP_UNENCRYPTED: - local->drop_unencrypted = value; - break; - - case PRISM2_PARAM_SCAN_CHANNEL_MASK: - local->scan_channel_mask = value; - break; - - default: - printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n", - dev->name, param); - ret = -EOPNOTSUPP; - break; - } - - return ret; -} - - -static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - int *param = (int *) extra; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - switch (*param) { - case PRISM2_PARAM_TXRATECTRL: - *param = local->fw_tx_rate_control; - break; - - case PRISM2_PARAM_BEACON_INT: - *param = local->beacon_int; - break; - - case PRISM2_PARAM_PSEUDO_IBSS: - *param = local->pseudo_adhoc; - break; - - case PRISM2_PARAM_ALC: - ret = -EOPNOTSUPP; /* FIX */ - break; - - case PRISM2_PARAM_DUMP: - *param = local->frame_dump; - break; - - case PRISM2_PARAM_OTHER_AP_POLICY: - if (local->ap != NULL) - *param = local->ap->ap_policy; - else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_AP_MAX_INACTIVITY: - if (local->ap != NULL) - *param = local->ap->max_inactivity / HZ; - else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_AP_BRIDGE_PACKETS: - if (local->ap != NULL) - *param = local->ap->bridge_packets; - else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_DTIM_PERIOD: - *param = local->dtim_period; - break; - - case PRISM2_PARAM_AP_NULLFUNC_ACK: - if (local->ap != NULL) - *param = local->ap->nullfunc_ack; - else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_MAX_WDS: - *param = local->wds_max_connections; - break; - - case PRISM2_PARAM_AP_AUTOM_AP_WDS: - if (local->ap != NULL) - *param = local->ap->autom_ap_wds; - else - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_AP_AUTH_ALGS: - *param = local->auth_algs; - break; - - case PRISM2_PARAM_MONITOR_ALLOW_FCSERR: - *param = local->monitor_allow_fcserr; - break; - - case PRISM2_PARAM_HOST_ENCRYPT: - *param = local->host_encrypt; - break; - - case PRISM2_PARAM_HOST_DECRYPT: - *param = local->host_decrypt; - break; - - case PRISM2_PARAM_HOST_ROAMING: - *param = local->host_roaming; - break; - - case PRISM2_PARAM_BCRX_STA_KEY: - *param = local->bcrx_sta_key; - break; - - case PRISM2_PARAM_IEEE_802_1X: - *param = local->ieee_802_1x; - break; - - case PRISM2_PARAM_ANTSEL_TX: - *param = local->antsel_tx; - break; - - case PRISM2_PARAM_ANTSEL_RX: - *param = local->antsel_rx; - break; - - case PRISM2_PARAM_MONITOR_TYPE: - *param = local->monitor_type; - break; - - case PRISM2_PARAM_WDS_TYPE: - *param = local->wds_type; - break; - - case PRISM2_PARAM_HOSTSCAN: - ret = -EOPNOTSUPP; - break; - - case PRISM2_PARAM_AP_SCAN: - *param = local->passive_scan_interval; - break; - - case PRISM2_PARAM_ENH_SEC: - *param = local->enh_sec; - break; - -#ifdef PRISM2_IO_DEBUG - case PRISM2_PARAM_IO_DEBUG: - *param = local->io_debug_enabled; - break; -#endif /* PRISM2_IO_DEBUG */ - - case PRISM2_PARAM_BASIC_RATES: - *param = local->basic_rates; - break; - - case PRISM2_PARAM_OPER_RATES: - *param = local->tx_rate_control; - break; - - case PRISM2_PARAM_HOSTAPD: - *param = local->hostapd; - break; - - case PRISM2_PARAM_HOSTAPD_STA: - *param = local->hostapd_sta; - break; - - case PRISM2_PARAM_WPA: - if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) - ret = -EOPNOTSUPP; - *param = local->wpa; - break; - - case PRISM2_PARAM_PRIVACY_INVOKED: - *param = local->privacy_invoked; - break; - - case PRISM2_PARAM_TKIP_COUNTERMEASURES: - *param = local->tkip_countermeasures; - break; - - case PRISM2_PARAM_DROP_UNENCRYPTED: - *param = local->drop_unencrypted; - break; - - case PRISM2_PARAM_SCAN_CHANNEL_MASK: - *param = local->scan_channel_mask; - break; - - default: - printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n", - dev->name, *param); - ret = -EOPNOTSUPP; - break; - } - - return ret; -} - - -static int prism2_ioctl_priv_readmif(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - u16 resp0; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL, - &resp0)) - return -EOPNOTSUPP; - else - *extra = resp0; - - return 0; -} - - -static int prism2_ioctl_priv_writemif(struct net_device *dev, - struct iw_request_info *info, - void *wrqu, char *extra) -{ - struct hostap_interface *iface; - local_info_t *local; - u16 cr, val; - - iface = netdev_priv(dev); - local = iface->local; - - cr = *extra; - val = *(extra + 1); - if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL)) - return -EOPNOTSUPP; - - return 0; -} - - -static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - u32 mode; - - iface = netdev_priv(dev); - local = iface->local; - - printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor " - "- update software to use iwconfig mode monitor\n", - dev->name, task_pid_nr(current), current->comm); - - /* Backward compatibility code - this can be removed at some point */ - - if (*i == 0) { - /* Disable monitor mode - old mode was not saved, so go to - * Master mode */ - mode = IW_MODE_MASTER; - ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL); - } else if (*i == 1) { - /* netlink socket mode is not supported anymore since it did - * not separate different devices from each other and was not - * best method for delivering large amount of packets to - * user space */ - ret = -EOPNOTSUPP; - } else if (*i == 2 || *i == 3) { - switch (*i) { - case 2: - local->monitor_type = PRISM2_MONITOR_80211; - break; - case 3: - local->monitor_type = PRISM2_MONITOR_PRISM; - break; - } - mode = IW_MODE_MONITOR; - ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL); - hostap_monitor_mode_enable(local); - } else - ret = -EINVAL; - - return ret; -} - - -static int prism2_ioctl_priv_reset(struct net_device *dev, int *i) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i); - switch (*i) { - case 0: - /* Disable and enable card */ - local->func->hw_shutdown(dev, 1); - local->func->hw_config(dev, 0); - break; - - case 1: - /* COR sreset */ - local->func->hw_reset(dev); - break; - - case 2: - /* Disable and enable port 0 */ - local->func->reset_port(dev); - break; - - case 3: - prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); - if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL, - NULL)) - return -EINVAL; - break; - - case 4: - if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL, - NULL)) - return -EINVAL; - break; - - default: - printk(KERN_DEBUG "Unknown reset request %d\n", *i); - return -EOPNOTSUPP; - } - - return 0; -} - - -static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i) -{ - int rid = *i; - int value = *(i + 1); - - printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value); - - if (hostap_set_word(dev, rid, value)) - return -EINVAL; - - return 0; -} - - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd) -{ - int ret = 0; - - switch (*cmd) { - case AP_MAC_CMD_POLICY_OPEN: - local->ap->mac_restrictions.policy = MAC_POLICY_OPEN; - break; - case AP_MAC_CMD_POLICY_ALLOW: - local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW; - break; - case AP_MAC_CMD_POLICY_DENY: - local->ap->mac_restrictions.policy = MAC_POLICY_DENY; - break; - case AP_MAC_CMD_FLUSH: - ap_control_flush_macs(&local->ap->mac_restrictions); - break; - case AP_MAC_CMD_KICKALL: - ap_control_kickall(local->ap); - hostap_deauth_all_stas(local->dev, local->ap, 0); - break; - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -#ifdef PRISM2_DOWNLOAD_SUPPORT -static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p) -{ - struct prism2_download_param *param; - int ret = 0; - - if (p->length < sizeof(struct prism2_download_param) || - p->length > 1024 || !p->pointer) - return -EINVAL; - - param = kmalloc(p->length, GFP_KERNEL); - if (param == NULL) - return -ENOMEM; - - if (copy_from_user(param, p->pointer, p->length)) { - ret = -EFAULT; - goto out; - } - - if (p->length < sizeof(struct prism2_download_param) + - param->num_areas * sizeof(struct prism2_download_area)) { - ret = -EINVAL; - goto out; - } - - ret = local->func->download(local, param); - - out: - kfree(param); - return ret; -} -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - - -static int prism2_set_genericelement(struct net_device *dev, u8 *elem, - size_t len) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - u8 *buf; - - /* - * Add 16-bit length in the beginning of the buffer because Prism2 RID - * includes it. - */ - buf = kmalloc(len + 2, GFP_KERNEL); - if (buf == NULL) - return -ENOMEM; - - *((__le16 *) buf) = cpu_to_le16(len); - memcpy(buf + 2, elem, len); - - kfree(local->generic_elem); - local->generic_elem = buf; - local->generic_elem_len = len + 2; - - return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT, - buf, len + 2); -} - - -static int prism2_ioctl_siwauth(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *data, char *extra) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - - switch (data->flags & IW_AUTH_INDEX) { - case IW_AUTH_WPA_VERSION: - case IW_AUTH_CIPHER_PAIRWISE: - case IW_AUTH_CIPHER_GROUP: - case IW_AUTH_KEY_MGMT: - /* - * Host AP driver does not use these parameters and allows - * wpa_supplicant to control them internally. - */ - break; - case IW_AUTH_TKIP_COUNTERMEASURES: - local->tkip_countermeasures = data->value; - break; - case IW_AUTH_DROP_UNENCRYPTED: - local->drop_unencrypted = data->value; - break; - case IW_AUTH_80211_AUTH_ALG: - local->auth_algs = data->value; - break; - case IW_AUTH_WPA_ENABLED: - if (data->value == 0) { - local->wpa = 0; - if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) - break; - prism2_set_genericelement(dev, "", 0); - local->host_roaming = 0; - local->privacy_invoked = 0; - if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, - 0) || - hostap_set_roaming(local) || - hostap_set_encryption(local) || - local->func->reset_port(dev)) - return -EINVAL; - break; - } - if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) - return -EOPNOTSUPP; - local->host_roaming = 2; - local->privacy_invoked = 1; - local->wpa = 1; - if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) || - hostap_set_roaming(local) || - hostap_set_encryption(local) || - local->func->reset_port(dev)) - return -EINVAL; - break; - case IW_AUTH_RX_UNENCRYPTED_EAPOL: - local->ieee_802_1x = data->value; - break; - case IW_AUTH_PRIVACY_INVOKED: - local->privacy_invoked = data->value; - break; - default: - return -EOPNOTSUPP; - } - return 0; -} - - -static int prism2_ioctl_giwauth(struct net_device *dev, - struct iw_request_info *info, - struct iw_param *data, char *extra) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - - switch (data->flags & IW_AUTH_INDEX) { - case IW_AUTH_WPA_VERSION: - case IW_AUTH_CIPHER_PAIRWISE: - case IW_AUTH_CIPHER_GROUP: - case IW_AUTH_KEY_MGMT: - /* - * Host AP driver does not use these parameters and allows - * wpa_supplicant to control them internally. - */ - return -EOPNOTSUPP; - case IW_AUTH_TKIP_COUNTERMEASURES: - data->value = local->tkip_countermeasures; - break; - case IW_AUTH_DROP_UNENCRYPTED: - data->value = local->drop_unencrypted; - break; - case IW_AUTH_80211_AUTH_ALG: - data->value = local->auth_algs; - break; - case IW_AUTH_WPA_ENABLED: - data->value = local->wpa; - break; - case IW_AUTH_RX_UNENCRYPTED_EAPOL: - data->value = local->ieee_802_1x; - break; - default: - return -EOPNOTSUPP; - } - return 0; -} - - -static int prism2_ioctl_siwencodeext(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *extra) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; - int i, ret = 0; - struct lib80211_crypto_ops *ops; - struct lib80211_crypt_data **crypt; - void *sta_ptr; - u8 *addr; - const char *alg, *module; - - i = erq->flags & IW_ENCODE_INDEX; - if (i > WEP_KEYS) - return -EINVAL; - if (i < 1 || i > WEP_KEYS) - i = local->crypt_info.tx_keyidx; - else - i--; - if (i < 0 || i >= WEP_KEYS) - return -EINVAL; - - addr = ext->addr.sa_data; - if (is_broadcast_ether_addr(addr)) { - sta_ptr = NULL; - crypt = &local->crypt_info.crypt[i]; - } else { - if (i != 0) - return -EINVAL; - sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt); - if (sta_ptr == NULL) { - if (local->iw_mode == IW_MODE_INFRA) { - /* - * TODO: add STA entry for the current AP so - * that unicast key can be used. For now, this - * is emulated by using default key idx 0. - */ - i = 0; - crypt = &local->crypt_info.crypt[i]; - } else - return -EINVAL; - } - } - - if ((erq->flags & IW_ENCODE_DISABLED) || - ext->alg == IW_ENCODE_ALG_NONE) { - if (*crypt) - lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); - goto done; - } - - switch (ext->alg) { - case IW_ENCODE_ALG_WEP: - alg = "WEP"; - module = "lib80211_crypt_wep"; - break; - case IW_ENCODE_ALG_TKIP: - alg = "TKIP"; - module = "lib80211_crypt_tkip"; - break; - case IW_ENCODE_ALG_CCMP: - alg = "CCMP"; - module = "lib80211_crypt_ccmp"; - break; - default: - printk(KERN_DEBUG "%s: unsupported algorithm %d\n", - local->dev->name, ext->alg); - ret = -EOPNOTSUPP; - goto done; - } - - ops = lib80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); - ops = lib80211_get_crypto_ops(alg); - } - if (ops == NULL) { - printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n", - local->dev->name, alg); - ret = -EOPNOTSUPP; - goto done; - } - - if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) { - /* - * Per station encryption and other than WEP algorithms - * require host-based encryption, so force them on - * automatically. - */ - local->host_decrypt = local->host_encrypt = 1; - } - - if (*crypt == NULL || (*crypt)->ops != ops) { - struct lib80211_crypt_data *new_crypt; - - lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); - - new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), - GFP_KERNEL); - if (new_crypt == NULL) { - ret = -ENOMEM; - goto done; - } - new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) - new_crypt->priv = new_crypt->ops->init(i); - if (new_crypt->priv == NULL) { - kfree(new_crypt); - ret = -EINVAL; - goto done; - } - - *crypt = new_crypt; - } - - /* - * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the - * existing seq# should not be changed. - * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq# - * should be changed to something else than zero. - */ - if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0) - && (*crypt)->ops->set_key && - (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, - (*crypt)->priv) < 0) { - printk(KERN_DEBUG "%s: key setting failed\n", - local->dev->name); - ret = -EINVAL; - goto done; - } - - if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { - if (!sta_ptr) - local->crypt_info.tx_keyidx = i; - } - - - if (sta_ptr == NULL && ext->key_len > 0) { - int first = 1, j; - for (j = 0; j < WEP_KEYS; j++) { - if (j != i && local->crypt_info.crypt[j]) { - first = 0; - break; - } - } - if (first) - local->crypt_info.tx_keyidx = i; - } - - done: - if (sta_ptr) - hostap_handle_sta_release(sta_ptr); - - local->open_wep = erq->flags & IW_ENCODE_OPEN; - - /* - * Do not reset port0 if card is in Managed mode since resetting will - * generate new IEEE 802.11 authentication which may end up in looping - * with IEEE 802.1X. Prism2 documentation seem to require port reset - * after WEP configuration. However, keys are apparently changed at - * least in Managed mode. - */ - if (ret == 0 && - (hostap_set_encryption(local) || - (local->iw_mode != IW_MODE_INFRA && - local->func->reset_port(local->dev)))) - ret = -EINVAL; - - return ret; -} - - -static int prism2_ioctl_giwencodeext(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *erq, char *extra) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - struct lib80211_crypt_data **crypt; - void *sta_ptr; - int max_key_len, i; - struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; - u8 *addr; - - max_key_len = erq->length - sizeof(*ext); - if (max_key_len < 0) - return -EINVAL; - - i = erq->flags & IW_ENCODE_INDEX; - if (i < 1 || i > WEP_KEYS) - i = local->crypt_info.tx_keyidx; - else - i--; - - addr = ext->addr.sa_data; - if (is_broadcast_ether_addr(addr)) { - sta_ptr = NULL; - crypt = &local->crypt_info.crypt[i]; - } else { - i = 0; - sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt); - if (sta_ptr == NULL) - return -EINVAL; - } - erq->flags = i + 1; - memset(ext, 0, sizeof(*ext)); - - if (*crypt == NULL || (*crypt)->ops == NULL) { - ext->alg = IW_ENCODE_ALG_NONE; - ext->key_len = 0; - erq->flags |= IW_ENCODE_DISABLED; - } else { - if (strcmp((*crypt)->ops->name, "WEP") == 0) - ext->alg = IW_ENCODE_ALG_WEP; - else if (strcmp((*crypt)->ops->name, "TKIP") == 0) - ext->alg = IW_ENCODE_ALG_TKIP; - else if (strcmp((*crypt)->ops->name, "CCMP") == 0) - ext->alg = IW_ENCODE_ALG_CCMP; - else - return -EINVAL; - - if ((*crypt)->ops->get_key) { - ext->key_len = - (*crypt)->ops->get_key(ext->key, - max_key_len, - ext->tx_seq, - (*crypt)->priv); - if (ext->key_len && - (ext->alg == IW_ENCODE_ALG_TKIP || - ext->alg == IW_ENCODE_ALG_CCMP)) - ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; - } - } - - if (sta_ptr) - hostap_handle_sta_release(sta_ptr); - - return 0; -} - - -static int prism2_ioctl_set_encryption(local_info_t *local, - struct prism2_hostapd_param *param, - int param_len) -{ - int ret = 0; - struct lib80211_crypto_ops *ops; - struct lib80211_crypt_data **crypt; - void *sta_ptr; - - param->u.crypt.err = 0; - param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0'; - - if (param_len != - (int) ((char *) param->u.crypt.key - (char *) param) + - param->u.crypt.key_len) - return -EINVAL; - - if (is_broadcast_ether_addr(param->sta_addr)) { - if (param->u.crypt.idx >= WEP_KEYS) - return -EINVAL; - sta_ptr = NULL; - crypt = &local->crypt_info.crypt[param->u.crypt.idx]; - } else { - if (param->u.crypt.idx) - return -EINVAL; - sta_ptr = ap_crypt_get_ptrs( - local->ap, param->sta_addr, - (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT), - &crypt); - - if (sta_ptr == NULL) { - param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR; - return -EINVAL; - } - } - - if (strcmp(param->u.crypt.alg, "none") == 0) { - if (crypt) - lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); - goto done; - } - - ops = lib80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("lib80211_crypt_wep"); - ops = lib80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("lib80211_crypt_tkip"); - ops = lib80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("lib80211_crypt_ccmp"); - ops = lib80211_get_crypto_ops(param->u.crypt.alg); - } - if (ops == NULL) { - printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n", - local->dev->name, param->u.crypt.alg); - param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG; - ret = -EINVAL; - goto done; - } - - /* station based encryption and other than WEP algorithms require - * host-based encryption, so force them on automatically */ - local->host_decrypt = local->host_encrypt = 1; - - if (*crypt == NULL || (*crypt)->ops != ops) { - struct lib80211_crypt_data *new_crypt; - - lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); - - new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), - GFP_KERNEL); - if (new_crypt == NULL) { - ret = -ENOMEM; - goto done; - } - new_crypt->ops = ops; - new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); - if (new_crypt->priv == NULL) { - kfree(new_crypt); - param->u.crypt.err = - HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED; - ret = -EINVAL; - goto done; - } - - *crypt = new_crypt; - } - - if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) || - param->u.crypt.key_len > 0) && (*crypt)->ops->set_key && - (*crypt)->ops->set_key(param->u.crypt.key, - param->u.crypt.key_len, param->u.crypt.seq, - (*crypt)->priv) < 0) { - printk(KERN_DEBUG "%s: key setting failed\n", - local->dev->name); - param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED; - ret = -EINVAL; - goto done; - } - - if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) { - if (!sta_ptr) - local->crypt_info.tx_keyidx = param->u.crypt.idx; - else if (param->u.crypt.idx) { - printk(KERN_DEBUG "%s: TX key idx setting failed\n", - local->dev->name); - param->u.crypt.err = - HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED; - ret = -EINVAL; - goto done; - } - } - - done: - if (sta_ptr) - hostap_handle_sta_release(sta_ptr); - - /* Do not reset port0 if card is in Managed mode since resetting will - * generate new IEEE 802.11 authentication which may end up in looping - * with IEEE 802.1X. Prism2 documentation seem to require port reset - * after WEP configuration. However, keys are apparently changed at - * least in Managed mode. */ - if (ret == 0 && - (hostap_set_encryption(local) || - (local->iw_mode != IW_MODE_INFRA && - local->func->reset_port(local->dev)))) { - param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED; - return -EINVAL; - } - - return ret; -} - - -static int prism2_ioctl_get_encryption(local_info_t *local, - struct prism2_hostapd_param *param, - int param_len) -{ - struct lib80211_crypt_data **crypt; - void *sta_ptr; - int max_key_len; - - param->u.crypt.err = 0; - - max_key_len = param_len - - (int) ((char *) param->u.crypt.key - (char *) param); - if (max_key_len < 0) - return -EINVAL; - - if (is_broadcast_ether_addr(param->sta_addr)) { - sta_ptr = NULL; - if (param->u.crypt.idx >= WEP_KEYS) - param->u.crypt.idx = local->crypt_info.tx_keyidx; - crypt = &local->crypt_info.crypt[param->u.crypt.idx]; - } else { - param->u.crypt.idx = 0; - sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0, - &crypt); - - if (sta_ptr == NULL) { - param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR; - return -EINVAL; - } - } - - if (*crypt == NULL || (*crypt)->ops == NULL) { - memcpy(param->u.crypt.alg, "none", 5); - param->u.crypt.key_len = 0; - param->u.crypt.idx = 0xff; - } else { - strncpy(param->u.crypt.alg, (*crypt)->ops->name, - HOSTAP_CRYPT_ALG_NAME_LEN); - param->u.crypt.key_len = 0; - - memset(param->u.crypt.seq, 0, 8); - if ((*crypt)->ops->get_key) { - param->u.crypt.key_len = - (*crypt)->ops->get_key(param->u.crypt.key, - max_key_len, - param->u.crypt.seq, - (*crypt)->priv); - } - } - - if (sta_ptr) - hostap_handle_sta_release(sta_ptr); - - return 0; -} - - -static int prism2_ioctl_get_rid(local_info_t *local, - struct prism2_hostapd_param *param, - int param_len) -{ - int max_len, res; - - max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN; - if (max_len < 0) - return -EINVAL; - - res = local->func->get_rid(local->dev, param->u.rid.rid, - param->u.rid.data, param->u.rid.len, 0); - if (res >= 0) { - param->u.rid.len = res; - return 0; - } - - return res; -} - - -static int prism2_ioctl_set_rid(local_info_t *local, - struct prism2_hostapd_param *param, - int param_len) -{ - int max_len; - - max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN; - if (max_len < 0 || max_len < param->u.rid.len) - return -EINVAL; - - return local->func->set_rid(local->dev, param->u.rid.rid, - param->u.rid.data, param->u.rid.len); -} - - -static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local, - struct prism2_hostapd_param *param, - int param_len) -{ - printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n", - local->dev->name, param->sta_addr); - memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN); - return 0; -} - - -static int prism2_ioctl_siwgenie(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - return prism2_set_genericelement(dev, extra, data->length); -} - - -static int prism2_ioctl_giwgenie(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - int len = local->generic_elem_len - 2; - - if (len <= 0 || local->generic_elem == NULL) { - data->length = 0; - return 0; - } - - if (data->length < len) - return -E2BIG; - - data->length = len; - memcpy(extra, local->generic_elem + 2, len); - - return 0; -} - - -static int prism2_ioctl_set_generic_element(local_info_t *local, - struct prism2_hostapd_param *param, - int param_len) -{ - int max_len, len; - - len = param->u.generic_elem.len; - max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN; - if (max_len < 0 || max_len < len) - return -EINVAL; - - return prism2_set_genericelement(local->dev, - param->u.generic_elem.data, len); -} - - -static int prism2_ioctl_siwmlme(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *data, char *extra) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - struct iw_mlme *mlme = (struct iw_mlme *) extra; - __le16 reason; - - reason = cpu_to_le16(mlme->reason_code); - - switch (mlme->cmd) { - case IW_MLME_DEAUTH: - return prism2_sta_send_mgmt(local, mlme->addr.sa_data, - IEEE80211_STYPE_DEAUTH, - (u8 *) &reason, 2); - case IW_MLME_DISASSOC: - return prism2_sta_send_mgmt(local, mlme->addr.sa_data, - IEEE80211_STYPE_DISASSOC, - (u8 *) &reason, 2); - default: - return -EOPNOTSUPP; - } -} - - -static int prism2_ioctl_mlme(local_info_t *local, - struct prism2_hostapd_param *param) -{ - __le16 reason; - - reason = cpu_to_le16(param->u.mlme.reason_code); - switch (param->u.mlme.cmd) { - case MLME_STA_DEAUTH: - return prism2_sta_send_mgmt(local, param->sta_addr, - IEEE80211_STYPE_DEAUTH, - (u8 *) &reason, 2); - case MLME_STA_DISASSOC: - return prism2_sta_send_mgmt(local, param->sta_addr, - IEEE80211_STYPE_DISASSOC, - (u8 *) &reason, 2); - default: - return -EOPNOTSUPP; - } -} - - -static int prism2_ioctl_scan_req(local_info_t *local, - struct prism2_hostapd_param *param) -{ -#ifndef PRISM2_NO_STATION_MODES - if ((local->iw_mode != IW_MODE_INFRA && - local->iw_mode != IW_MODE_ADHOC) || - (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))) - return -EOPNOTSUPP; - - if (!local->dev_enabled) - return -ENETDOWN; - - return prism2_request_hostscan(local->dev, param->u.scan_req.ssid, - param->u.scan_req.ssid_len); -#else /* PRISM2_NO_STATION_MODES */ - return -EOPNOTSUPP; -#endif /* PRISM2_NO_STATION_MODES */ -} - - -static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p) -{ - struct prism2_hostapd_param *param; - int ret = 0; - int ap_ioctl = 0; - - if (p->length < sizeof(struct prism2_hostapd_param) || - p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) - return -EINVAL; - - param = kmalloc(p->length, GFP_KERNEL); - if (param == NULL) - return -ENOMEM; - - if (copy_from_user(param, p->pointer, p->length)) { - ret = -EFAULT; - goto out; - } - - switch (param->cmd) { - case PRISM2_SET_ENCRYPTION: - ret = prism2_ioctl_set_encryption(local, param, p->length); - break; - case PRISM2_GET_ENCRYPTION: - ret = prism2_ioctl_get_encryption(local, param, p->length); - break; - case PRISM2_HOSTAPD_GET_RID: - ret = prism2_ioctl_get_rid(local, param, p->length); - break; - case PRISM2_HOSTAPD_SET_RID: - ret = prism2_ioctl_set_rid(local, param, p->length); - break; - case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR: - ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length); - break; - case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT: - ret = prism2_ioctl_set_generic_element(local, param, - p->length); - break; - case PRISM2_HOSTAPD_MLME: - ret = prism2_ioctl_mlme(local, param); - break; - case PRISM2_HOSTAPD_SCAN_REQ: - ret = prism2_ioctl_scan_req(local, param); - break; - default: - ret = prism2_hostapd(local->ap, param); - ap_ioctl = 1; - break; - } - - if (ret == 1 || !ap_ioctl) { - if (copy_to_user(p->pointer, param, p->length)) { - ret = -EFAULT; - goto out; - } else if (ap_ioctl) - ret = 0; - } - - out: - kfree(param); - return ret; -} - - -static void prism2_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - - strlcpy(info->driver, "hostap", sizeof(info->driver)); - snprintf(info->fw_version, sizeof(info->fw_version), - "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff, - (local->sta_fw_ver >> 8) & 0xff, - local->sta_fw_ver & 0xff); -} - -const struct ethtool_ops prism2_ethtool_ops = { - .get_drvinfo = prism2_get_drvinfo -}; - - -/* Structures to export the Wireless Handlers */ - -static const iw_handler prism2_handler[] = -{ - (iw_handler) NULL, /* SIOCSIWCOMMIT */ - (iw_handler) prism2_get_name, /* SIOCGIWNAME */ - (iw_handler) NULL, /* SIOCSIWNWID */ - (iw_handler) NULL, /* SIOCGIWNWID */ - (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */ - (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */ - (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */ - (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */ - (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */ - (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */ - (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ - (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */ - (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */ - (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */ - (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */ - (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */ - iw_handler_set_spy, /* SIOCSIWSPY */ - iw_handler_get_spy, /* SIOCGIWSPY */ - iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ - iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ - (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */ - (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */ - (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */ - (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */ - (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */ - (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */ - (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */ - (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */ - (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */ - (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */ - (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */ - (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */ - (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */ - (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */ - (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */ - (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */ - (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */ - (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */ - (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */ - (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */ - (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */ - (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */ - (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* -- hole -- */ - (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */ - (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */ - (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */ - (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */ - (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ - (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */ - (iw_handler) NULL, /* SIOCSIWPMKSA */ - (iw_handler) NULL, /* -- hole -- */ -}; - -static const iw_handler prism2_private_handler[] = -{ /* SIOCIWFIRSTPRIV + */ - (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */ - (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */ - (iw_handler) prism2_ioctl_priv_writemif, /* 2 */ - (iw_handler) prism2_ioctl_priv_readmif, /* 3 */ -}; - -const struct iw_handler_def hostap_iw_handler_def = -{ - .num_standard = ARRAY_SIZE(prism2_handler), - .num_private = ARRAY_SIZE(prism2_private_handler), - .num_private_args = ARRAY_SIZE(prism2_priv), - .standard = (iw_handler *) prism2_handler, - .private = (iw_handler *) prism2_private_handler, - .private_args = (struct iw_priv_args *) prism2_priv, - .get_wireless_stats = hostap_get_wireless_stats, -}; - - -int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct iwreq *wrq = (struct iwreq *) ifr; - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - - iface = netdev_priv(dev); - local = iface->local; - - switch (cmd) { - /* Private ioctls (iwpriv) that have not yet been converted - * into new wireless extensions API */ - - case PRISM2_IOCTL_INQUIRE: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_MONITOR: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_RESET: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_WDS_ADD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1); - break; - - case PRISM2_IOCTL_WDS_DEL: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0); - break; - - case PRISM2_IOCTL_SET_RID_WORD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_set_rid_word(dev, - (int *) wrq->u.name); - break; - -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - case PRISM2_IOCTL_MACCMD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name); - break; - - case PRISM2_IOCTL_ADDMAC: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_control_add_mac(&local->ap->mac_restrictions, - wrq->u.ap_addr.sa_data); - break; - case PRISM2_IOCTL_DELMAC: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_control_del_mac(&local->ap->mac_restrictions, - wrq->u.ap_addr.sa_data); - break; - case PRISM2_IOCTL_KICKMAC: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = ap_control_kick_mac(local->ap, local->dev, - wrq->u.ap_addr.sa_data); - break; -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - - /* Private ioctls that are not used with iwpriv; - * in SIOCDEVPRIVATE range */ - -#ifdef PRISM2_DOWNLOAD_SUPPORT - case PRISM2_IOCTL_DOWNLOAD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_download(local, &wrq->u.data); - break; -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - - case PRISM2_IOCTL_HOSTAPD: - if (!capable(CAP_NET_ADMIN)) ret = -EPERM; - else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data); - break; - - default: - ret = -EOPNOTSUPP; - break; - } - - return ret; -} diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c deleted file mode 100644 index 80d4228ba754..000000000000 --- a/drivers/net/wireless/hostap/hostap_main.c +++ /dev/null @@ -1,1140 +0,0 @@ -/* - * Host AP (software wireless LAN access point) driver for - * Intersil Prism2/2.5/3 - hostap.o module, common routines - * - * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * - * Copyright (c) 2002-2005, Jouni Malinen - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. See README and COPYING for - * more details. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "hostap_wlan.h" -#include "hostap_80211.h" -#include "hostap_ap.h" -#include "hostap.h" - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Host AP common routines"); -MODULE_LICENSE("GPL"); - -#define TX_TIMEOUT (2 * HZ) - -#define PRISM2_MAX_FRAME_SIZE 2304 -#define PRISM2_MIN_MTU 256 -/* FIX: */ -#define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */)) - - -struct net_device * hostap_add_interface(struct local_info *local, - int type, int rtnl_locked, - const char *prefix, - const char *name) -{ - struct net_device *dev, *mdev; - struct hostap_interface *iface; - int ret; - - dev = alloc_etherdev(sizeof(struct hostap_interface)); - if (dev == NULL) - return NULL; - - iface = netdev_priv(dev); - iface->dev = dev; - iface->local = local; - iface->type = type; - list_add(&iface->list, &local->hostap_interfaces); - - mdev = local->dev; - eth_hw_addr_inherit(dev, mdev); - dev->base_addr = mdev->base_addr; - dev->irq = mdev->irq; - dev->mem_start = mdev->mem_start; - dev->mem_end = mdev->mem_end; - - hostap_setup_dev(dev, local, type); - dev->destructor = free_netdev; - - sprintf(dev->name, "%s%s", prefix, name); - if (!rtnl_locked) - rtnl_lock(); - - SET_NETDEV_DEV(dev, mdev->dev.parent); - ret = register_netdevice(dev); - - if (!rtnl_locked) - rtnl_unlock(); - - if (ret < 0) { - printk(KERN_WARNING "%s: failed to add new netdevice!\n", - dev->name); - free_netdev(dev); - return NULL; - } - - printk(KERN_DEBUG "%s: registered netdevice %s\n", - mdev->name, dev->name); - - return dev; -} - - -void hostap_remove_interface(struct net_device *dev, int rtnl_locked, - int remove_from_list) -{ - struct hostap_interface *iface; - - if (!dev) - return; - - iface = netdev_priv(dev); - - if (remove_from_list) { - list_del(&iface->list); - } - - if (dev == iface->local->ddev) - iface->local->ddev = NULL; - else if (dev == iface->local->apdev) - iface->local->apdev = NULL; - else if (dev == iface->local->stadev) - iface->local->stadev = NULL; - - if (rtnl_locked) - unregister_netdevice(dev); - else - unregister_netdev(dev); - - /* dev->destructor = free_netdev() will free the device data, including - * private data, when removing the device */ -} - - -static inline int prism2_wds_special_addr(u8 *addr) -{ - if (addr[0] || addr[1] || addr[2] || addr[3] || addr[4] || addr[5]) - return 0; - - return 1; -} - - -int prism2_wds_add(local_info_t *local, u8 *remote_addr, - int rtnl_locked) -{ - struct net_device *dev; - struct list_head *ptr; - struct hostap_interface *iface, *empty, *match; - - empty = match = NULL; - read_lock_bh(&local->iface_lock); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type != HOSTAP_INTERFACE_WDS) - continue; - - if (prism2_wds_special_addr(iface->u.wds.remote_addr)) - empty = iface; - else if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { - match = iface; - break; - } - } - if (!match && empty && !prism2_wds_special_addr(remote_addr)) { - /* take pre-allocated entry into use */ - memcpy(empty->u.wds.remote_addr, remote_addr, ETH_ALEN); - read_unlock_bh(&local->iface_lock); - printk(KERN_DEBUG "%s: using pre-allocated WDS netdevice %s\n", - local->dev->name, empty->dev->name); - return 0; - } - read_unlock_bh(&local->iface_lock); - - if (!prism2_wds_special_addr(remote_addr)) { - if (match) - return -EEXIST; - hostap_add_sta(local->ap, remote_addr); - } - - if (local->wds_connections >= local->wds_max_connections) - return -ENOBUFS; - - /* verify that there is room for wds# postfix in the interface name */ - if (strlen(local->dev->name) >= IFNAMSIZ - 5) { - printk(KERN_DEBUG "'%s' too long base device name\n", - local->dev->name); - return -EINVAL; - } - - dev = hostap_add_interface(local, HOSTAP_INTERFACE_WDS, rtnl_locked, - local->ddev->name, "wds%d"); - if (dev == NULL) - return -ENOMEM; - - iface = netdev_priv(dev); - memcpy(iface->u.wds.remote_addr, remote_addr, ETH_ALEN); - - local->wds_connections++; - - return 0; -} - - -int prism2_wds_del(local_info_t *local, u8 *remote_addr, - int rtnl_locked, int do_not_remove) -{ - unsigned long flags; - struct list_head *ptr; - struct hostap_interface *iface, *selected = NULL; - - write_lock_irqsave(&local->iface_lock, flags); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type != HOSTAP_INTERFACE_WDS) - continue; - - if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { - selected = iface; - break; - } - } - if (selected && !do_not_remove) - list_del(&selected->list); - write_unlock_irqrestore(&local->iface_lock, flags); - - if (selected) { - if (do_not_remove) - eth_zero_addr(selected->u.wds.remote_addr); - else { - hostap_remove_interface(selected->dev, rtnl_locked, 0); - local->wds_connections--; - } - } - - return selected ? 0 : -ENODEV; -} - - -u16 hostap_tx_callback_register(local_info_t *local, - void (*func)(struct sk_buff *, int ok, void *), - void *data) -{ - unsigned long flags; - struct hostap_tx_callback_info *entry; - - entry = kmalloc(sizeof(*entry), GFP_KERNEL); - if (entry == NULL) - return 0; - - entry->func = func; - entry->data = data; - - spin_lock_irqsave(&local->lock, flags); - entry->idx = local->tx_callback ? local->tx_callback->idx + 1 : 1; - entry->next = local->tx_callback; - local->tx_callback = entry; - spin_unlock_irqrestore(&local->lock, flags); - - return entry->idx; -} - - -int hostap_tx_callback_unregister(local_info_t *local, u16 idx) -{ - unsigned long flags; - struct hostap_tx_callback_info *cb, *prev = NULL; - - spin_lock_irqsave(&local->lock, flags); - cb = local->tx_callback; - while (cb != NULL && cb->idx != idx) { - prev = cb; - cb = cb->next; - } - if (cb) { - if (prev == NULL) - local->tx_callback = cb->next; - else - prev->next = cb->next; - kfree(cb); - } - spin_unlock_irqrestore(&local->lock, flags); - - return cb ? 0 : -1; -} - - -/* val is in host byte order */ -int hostap_set_word(struct net_device *dev, int rid, u16 val) -{ - struct hostap_interface *iface; - __le16 tmp = cpu_to_le16(val); - iface = netdev_priv(dev); - return iface->local->func->set_rid(dev, rid, &tmp, 2); -} - - -int hostap_set_string(struct net_device *dev, int rid, const char *val) -{ - struct hostap_interface *iface; - char buf[MAX_SSID_LEN + 2]; - int len; - - iface = netdev_priv(dev); - len = strlen(val); - if (len > MAX_SSID_LEN) - return -1; - memset(buf, 0, sizeof(buf)); - buf[0] = len; /* little endian 16 bit word */ - memcpy(buf + 2, val, len); - - return iface->local->func->set_rid(dev, rid, &buf, MAX_SSID_LEN + 2); -} - - -u16 hostap_get_porttype(local_info_t *local) -{ - if (local->iw_mode == IW_MODE_ADHOC && local->pseudo_adhoc) - return HFA384X_PORTTYPE_PSEUDO_IBSS; - if (local->iw_mode == IW_MODE_ADHOC) - return HFA384X_PORTTYPE_IBSS; - if (local->iw_mode == IW_MODE_INFRA) - return HFA384X_PORTTYPE_BSS; - if (local->iw_mode == IW_MODE_REPEAT) - return HFA384X_PORTTYPE_WDS; - if (local->iw_mode == IW_MODE_MONITOR) - return HFA384X_PORTTYPE_PSEUDO_IBSS; - return HFA384X_PORTTYPE_HOSTAP; -} - - -int hostap_set_encryption(local_info_t *local) -{ - u16 val, old_val; - int i, keylen, len, idx; - char keybuf[WEP_KEY_LEN + 1]; - enum { NONE, WEP, OTHER } encrypt_type; - - idx = local->crypt_info.tx_keyidx; - if (local->crypt_info.crypt[idx] == NULL || - local->crypt_info.crypt[idx]->ops == NULL) - encrypt_type = NONE; - else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) - encrypt_type = WEP; - else - encrypt_type = OTHER; - - if (local->func->get_rid(local->dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, - 1) < 0) { - printk(KERN_DEBUG "Could not read current WEP flags.\n"); - goto fail; - } - le16_to_cpus(&val); - old_val = val; - - if (encrypt_type != NONE || local->privacy_invoked) - val |= HFA384X_WEPFLAGS_PRIVACYINVOKED; - else - val &= ~HFA384X_WEPFLAGS_PRIVACYINVOKED; - - if (local->open_wep || encrypt_type == NONE || - ((local->ieee_802_1x || local->wpa) && local->host_decrypt)) - val &= ~HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; - else - val |= HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; - - if ((encrypt_type != NONE || local->privacy_invoked) && - (encrypt_type == OTHER || local->host_encrypt)) - val |= HFA384X_WEPFLAGS_HOSTENCRYPT; - else - val &= ~HFA384X_WEPFLAGS_HOSTENCRYPT; - if ((encrypt_type != NONE || local->privacy_invoked) && - (encrypt_type == OTHER || local->host_decrypt)) - val |= HFA384X_WEPFLAGS_HOSTDECRYPT; - else - val &= ~HFA384X_WEPFLAGS_HOSTDECRYPT; - - if (val != old_val && - hostap_set_word(local->dev, HFA384X_RID_CNFWEPFLAGS, val)) { - printk(KERN_DEBUG "Could not write new WEP flags (0x%x)\n", - val); - goto fail; - } - - if (encrypt_type != WEP) - return 0; - - /* 104-bit support seems to require that all the keys are set to the - * same keylen */ - keylen = 6; /* first 5 octets */ - len = local->crypt_info.crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), NULL, - local->crypt_info.crypt[idx]->priv); - if (idx >= 0 && idx < WEP_KEYS && len > 5) - keylen = WEP_KEY_LEN + 1; /* first 13 octets */ - - for (i = 0; i < WEP_KEYS; i++) { - memset(keybuf, 0, sizeof(keybuf)); - if (local->crypt_info.crypt[i]) { - (void) local->crypt_info.crypt[i]->ops->get_key( - keybuf, sizeof(keybuf), - NULL, local->crypt_info.crypt[i]->priv); - } - if (local->func->set_rid(local->dev, - HFA384X_RID_CNFDEFAULTKEY0 + i, - keybuf, keylen)) { - printk(KERN_DEBUG "Could not set key %d (len=%d)\n", - i, keylen); - goto fail; - } - } - if (hostap_set_word(local->dev, HFA384X_RID_CNFWEPDEFAULTKEYID, idx)) { - printk(KERN_DEBUG "Could not set default keyid %d\n", idx); - goto fail; - } - - return 0; - - fail: - printk(KERN_DEBUG "%s: encryption setup failed\n", local->dev->name); - return -1; -} - - -int hostap_set_antsel(local_info_t *local) -{ - u16 val; - int ret = 0; - - if (local->antsel_tx != HOSTAP_ANTSEL_DO_NOT_TOUCH && - local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, - HFA386X_CR_TX_CONFIGURE, - NULL, &val) == 0) { - val &= ~(BIT(2) | BIT(1)); - switch (local->antsel_tx) { - case HOSTAP_ANTSEL_DIVERSITY: - val |= BIT(1); - break; - case HOSTAP_ANTSEL_LOW: - break; - case HOSTAP_ANTSEL_HIGH: - val |= BIT(2); - break; - } - - if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_TX_CONFIGURE, &val, NULL)) { - printk(KERN_INFO "%s: setting TX AntSel failed\n", - local->dev->name); - ret = -1; - } - } - - if (local->antsel_rx != HOSTAP_ANTSEL_DO_NOT_TOUCH && - local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, - HFA386X_CR_RX_CONFIGURE, - NULL, &val) == 0) { - val &= ~(BIT(1) | BIT(0)); - switch (local->antsel_rx) { - case HOSTAP_ANTSEL_DIVERSITY: - break; - case HOSTAP_ANTSEL_LOW: - val |= BIT(0); - break; - case HOSTAP_ANTSEL_HIGH: - val |= BIT(0) | BIT(1); - break; - } - - if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_RX_CONFIGURE, &val, NULL)) { - printk(KERN_INFO "%s: setting RX AntSel failed\n", - local->dev->name); - ret = -1; - } - } - - return ret; -} - - -int hostap_set_roaming(local_info_t *local) -{ - u16 val; - - switch (local->host_roaming) { - case 1: - val = HFA384X_ROAMING_HOST; - break; - case 2: - val = HFA384X_ROAMING_DISABLED; - break; - case 0: - default: - val = HFA384X_ROAMING_FIRMWARE; - break; - } - - return hostap_set_word(local->dev, HFA384X_RID_CNFROAMINGMODE, val); -} - - -int hostap_set_auth_algs(local_info_t *local) -{ - int val = local->auth_algs; - /* At least STA f/w v0.6.2 seems to have issues with cnfAuthentication - * set to include both Open and Shared Key flags. It tries to use - * Shared Key authentication in that case even if WEP keys are not - * configured.. STA f/w v0.7.6 is able to handle such configuration, - * but it is unknown when this was fixed between 0.6.2 .. 0.7.6. */ - if (local->sta_fw_ver < PRISM2_FW_VER(0,7,0) && - val != PRISM2_AUTH_OPEN && val != PRISM2_AUTH_SHARED_KEY) - val = PRISM2_AUTH_OPEN; - - if (hostap_set_word(local->dev, HFA384X_RID_CNFAUTHENTICATION, val)) { - printk(KERN_INFO "%s: cnfAuthentication setting to 0x%x " - "failed\n", local->dev->name, local->auth_algs); - return -EINVAL; - } - - return 0; -} - - -void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx) -{ - u16 status, fc; - - status = __le16_to_cpu(rx->status); - - printk(KERN_DEBUG "%s: RX status=0x%04x (port=%d, type=%d, " - "fcserr=%d) silence=%d signal=%d rate=%d rxflow=%d; " - "jiffies=%ld\n", - name, status, (status >> 8) & 0x07, status >> 13, status & 1, - rx->silence, rx->signal, rx->rate, rx->rxflow, jiffies); - - fc = __le16_to_cpu(rx->frame_control); - printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " - "data_len=%d%s%s\n", - fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, - (fc & IEEE80211_FCTL_STYPE) >> 4, - __le16_to_cpu(rx->duration_id), __le16_to_cpu(rx->seq_ctrl), - __le16_to_cpu(rx->data_len), - fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", - fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); - - printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", - rx->addr1, rx->addr2, rx->addr3, rx->addr4); - - printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", - rx->dst_addr, rx->src_addr, - __be16_to_cpu(rx->len)); -} - - -void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) -{ - u16 fc; - - printk(KERN_DEBUG "%s: TX status=0x%04x retry_count=%d tx_rate=%d " - "tx_control=0x%04x; jiffies=%ld\n", - name, __le16_to_cpu(tx->status), tx->retry_count, tx->tx_rate, - __le16_to_cpu(tx->tx_control), jiffies); - - fc = __le16_to_cpu(tx->frame_control); - printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " - "data_len=%d%s%s\n", - fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, - (fc & IEEE80211_FCTL_STYPE) >> 4, - __le16_to_cpu(tx->duration_id), __le16_to_cpu(tx->seq_ctrl), - __le16_to_cpu(tx->data_len), - fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", - fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); - - printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", - tx->addr1, tx->addr2, tx->addr3, tx->addr4); - - printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", - tx->dst_addr, tx->src_addr, - __be16_to_cpu(tx->len)); -} - - -static int hostap_80211_header_parse(const struct sk_buff *skb, - unsigned char *haddr) -{ - memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ - return ETH_ALEN; -} - - -int hostap_80211_get_hdrlen(__le16 fc) -{ - if (ieee80211_is_data(fc) && ieee80211_has_a4 (fc)) - return 30; /* Addr4 */ - else if (ieee80211_is_cts(fc) || ieee80211_is_ack(fc)) - return 10; - else if (ieee80211_is_ctl(fc)) - return 16; - - return 24; -} - - -static int prism2_close(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - - PDEBUG(DEBUG_FLOW, "%s: prism2_close\n", dev->name); - - iface = netdev_priv(dev); - local = iface->local; - - if (dev == local->ddev) { - prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); - } -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (!local->hostapd && dev == local->dev && - (!local->func->card_present || local->func->card_present(local)) && - local->hw_ready && local->ap && local->iw_mode == IW_MODE_MASTER) - hostap_deauth_all_stas(dev, local->ap, 1); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - if (dev == local->dev) { - local->func->hw_shutdown(dev, HOSTAP_HW_ENABLE_CMDCOMPL); - } - - if (netif_running(dev)) { - netif_stop_queue(dev); - netif_device_detach(dev); - } - - cancel_work_sync(&local->reset_queue); - cancel_work_sync(&local->set_multicast_list_queue); - cancel_work_sync(&local->set_tim_queue); -#ifndef PRISM2_NO_STATION_MODES - cancel_work_sync(&local->info_queue); -#endif - cancel_work_sync(&local->comms_qual_update); - - module_put(local->hw_module); - - local->num_dev_open--; - - if (dev != local->dev && local->dev->flags & IFF_UP && - local->master_dev_auto_open && local->num_dev_open == 1) { - /* Close master radio interface automatically if it was also - * opened automatically and we are now closing the last - * remaining non-master device. */ - dev_close(local->dev); - } - - return 0; -} - - -static int prism2_open(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - - PDEBUG(DEBUG_FLOW, "%s: prism2_open\n", dev->name); - - iface = netdev_priv(dev); - local = iface->local; - - if (local->no_pri) { - printk(KERN_DEBUG "%s: could not set interface UP - no PRI " - "f/w\n", dev->name); - return -ENODEV; - } - - if ((local->func->card_present && !local->func->card_present(local)) || - local->hw_downloading) - return -ENODEV; - - if (!try_module_get(local->hw_module)) - return -ENODEV; - local->num_dev_open++; - - if (!local->dev_enabled && local->func->hw_enable(dev, 1)) { - printk(KERN_WARNING "%s: could not enable MAC port\n", - dev->name); - prism2_close(dev); - return -ENODEV; - } - if (!local->dev_enabled) - prism2_callback(local, PRISM2_CALLBACK_ENABLE); - local->dev_enabled = 1; - - if (dev != local->dev && !(local->dev->flags & IFF_UP)) { - /* Master radio interface is needed for all operation, so open - * it automatically when any virtual net_device is opened. */ - local->master_dev_auto_open = 1; - dev_open(local->dev); - } - - netif_device_attach(dev); - netif_start_queue(dev); - - return 0; -} - - -static int prism2_set_mac_address(struct net_device *dev, void *p) -{ - struct hostap_interface *iface; - local_info_t *local; - struct list_head *ptr; - struct sockaddr *addr = p; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->set_rid(dev, HFA384X_RID_CNFOWNMACADDR, addr->sa_data, - ETH_ALEN) < 0 || local->func->reset_port(dev)) - return -EINVAL; - - read_lock_bh(&local->iface_lock); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - memcpy(iface->dev->dev_addr, addr->sa_data, ETH_ALEN); - } - memcpy(local->dev->dev_addr, addr->sa_data, ETH_ALEN); - read_unlock_bh(&local->iface_lock); - - return 0; -} - - -/* TODO: to be further implemented as soon as Prism2 fully supports - * GroupAddresses and correct documentation is available */ -void hostap_set_multicast_list_queue(struct work_struct *work) -{ - local_info_t *local = - container_of(work, local_info_t, set_multicast_list_queue); - struct net_device *dev = local->dev; - - if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, - local->is_promisc)) { - printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", - dev->name, local->is_promisc ? "en" : "dis"); - } -} - - -static void hostap_set_multicast_list(struct net_device *dev) -{ -#if 0 - /* FIX: promiscuous mode seems to be causing a lot of problems with - * some station firmware versions (FCSErr frames, invalid MACPort, etc. - * corrupted incoming frames). This code is now commented out while the - * problems are investigated. */ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - if ((dev->flags & IFF_ALLMULTI) || (dev->flags & IFF_PROMISC)) { - local->is_promisc = 1; - } else { - local->is_promisc = 0; - } - - schedule_work(&local->set_multicast_list_queue); -#endif -} - - -static int prism2_change_mtu(struct net_device *dev, int new_mtu) -{ - if (new_mtu < PRISM2_MIN_MTU || new_mtu > PRISM2_MAX_MTU) - return -EINVAL; - - dev->mtu = new_mtu; - return 0; -} - - -static void prism2_tx_timeout(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_regs regs; - - iface = netdev_priv(dev); - local = iface->local; - - printk(KERN_WARNING "%s Tx timed out! Resetting card\n", dev->name); - netif_stop_queue(local->dev); - - local->func->read_regs(dev, ®s); - printk(KERN_DEBUG "%s: CMD=%04x EVSTAT=%04x " - "OFFSET0=%04x OFFSET1=%04x SWSUPPORT0=%04x\n", - dev->name, regs.cmd, regs.evstat, regs.offset0, regs.offset1, - regs.swsupport0); - - local->func->schedule_reset(local); -} - -const struct header_ops hostap_80211_ops = { - .create = eth_header, - .cache = eth_header_cache, - .cache_update = eth_header_cache_update, - .parse = hostap_80211_header_parse, -}; -EXPORT_SYMBOL(hostap_80211_ops); - - -static const struct net_device_ops hostap_netdev_ops = { - .ndo_start_xmit = hostap_data_start_xmit, - - .ndo_open = prism2_open, - .ndo_stop = prism2_close, - .ndo_do_ioctl = hostap_ioctl, - .ndo_set_mac_address = prism2_set_mac_address, - .ndo_set_rx_mode = hostap_set_multicast_list, - .ndo_change_mtu = prism2_change_mtu, - .ndo_tx_timeout = prism2_tx_timeout, - .ndo_validate_addr = eth_validate_addr, -}; - -static const struct net_device_ops hostap_mgmt_netdev_ops = { - .ndo_start_xmit = hostap_mgmt_start_xmit, - - .ndo_open = prism2_open, - .ndo_stop = prism2_close, - .ndo_do_ioctl = hostap_ioctl, - .ndo_set_mac_address = prism2_set_mac_address, - .ndo_set_rx_mode = hostap_set_multicast_list, - .ndo_change_mtu = prism2_change_mtu, - .ndo_tx_timeout = prism2_tx_timeout, - .ndo_validate_addr = eth_validate_addr, -}; - -static const struct net_device_ops hostap_master_ops = { - .ndo_start_xmit = hostap_master_start_xmit, - - .ndo_open = prism2_open, - .ndo_stop = prism2_close, - .ndo_do_ioctl = hostap_ioctl, - .ndo_set_mac_address = prism2_set_mac_address, - .ndo_set_rx_mode = hostap_set_multicast_list, - .ndo_change_mtu = prism2_change_mtu, - .ndo_tx_timeout = prism2_tx_timeout, - .ndo_validate_addr = eth_validate_addr, -}; - -void hostap_setup_dev(struct net_device *dev, local_info_t *local, - int type) -{ - struct hostap_interface *iface; - - iface = netdev_priv(dev); - ether_setup(dev); - dev->priv_flags &= ~IFF_TX_SKB_SHARING; - - /* kernel callbacks */ - if (iface) { - /* Currently, we point to the proper spy_data only on - * the main_dev. This could be fixed. Jean II */ - iface->wireless_data.spy_data = &iface->spy_data; - dev->wireless_data = &iface->wireless_data; - } - dev->wireless_handlers = &hostap_iw_handler_def; - dev->watchdog_timeo = TX_TIMEOUT; - - switch(type) { - case HOSTAP_INTERFACE_AP: - dev->priv_flags |= IFF_NO_QUEUE; /* use main radio device queue */ - dev->netdev_ops = &hostap_mgmt_netdev_ops; - dev->type = ARPHRD_IEEE80211; - dev->header_ops = &hostap_80211_ops; - break; - case HOSTAP_INTERFACE_MASTER: - dev->netdev_ops = &hostap_master_ops; - break; - default: - dev->priv_flags |= IFF_NO_QUEUE; /* use main radio device queue */ - dev->netdev_ops = &hostap_netdev_ops; - } - - dev->mtu = local->mtu; - - - dev->ethtool_ops = &prism2_ethtool_ops; - -} - -static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - if (local->apdev) - return -EEXIST; - - printk(KERN_DEBUG "%s: enabling hostapd mode\n", dev->name); - - local->apdev = hostap_add_interface(local, HOSTAP_INTERFACE_AP, - rtnl_locked, local->ddev->name, - "ap"); - if (local->apdev == NULL) - return -ENOMEM; - - return 0; -} - - -static int hostap_disable_hostapd(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); - - hostap_remove_interface(local->apdev, rtnl_locked, 1); - local->apdev = NULL; - - return 0; -} - - -static int hostap_enable_hostapd_sta(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - if (local->stadev) - return -EEXIST; - - printk(KERN_DEBUG "%s: enabling hostapd STA mode\n", dev->name); - - local->stadev = hostap_add_interface(local, HOSTAP_INTERFACE_STA, - rtnl_locked, local->ddev->name, - "sta"); - if (local->stadev == NULL) - return -ENOMEM; - - return 0; -} - - -static int hostap_disable_hostapd_sta(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); - - hostap_remove_interface(local->stadev, rtnl_locked, 1); - local->stadev = NULL; - - return 0; -} - - -int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked) -{ - int ret; - - if (val < 0 || val > 1) - return -EINVAL; - - if (local->hostapd == val) - return 0; - - if (val) { - ret = hostap_enable_hostapd(local, rtnl_locked); - if (ret == 0) - local->hostapd = 1; - } else { - local->hostapd = 0; - ret = hostap_disable_hostapd(local, rtnl_locked); - if (ret != 0) - local->hostapd = 1; - } - - return ret; -} - - -int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked) -{ - int ret; - - if (val < 0 || val > 1) - return -EINVAL; - - if (local->hostapd_sta == val) - return 0; - - if (val) { - ret = hostap_enable_hostapd_sta(local, rtnl_locked); - if (ret == 0) - local->hostapd_sta = 1; - } else { - local->hostapd_sta = 0; - ret = hostap_disable_hostapd_sta(local, rtnl_locked); - if (ret != 0) - local->hostapd_sta = 1; - } - - - return ret; -} - - -int prism2_update_comms_qual(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - struct hfa384x_comms_quality sq; - - iface = netdev_priv(dev); - local = iface->local; - if (!local->sta_fw_ver) - ret = -1; - else if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { - if (local->func->get_rid(local->dev, - HFA384X_RID_DBMCOMMSQUALITY, - &sq, sizeof(sq), 1) >= 0) { - local->comms_qual = (s16) le16_to_cpu(sq.comm_qual); - local->avg_signal = (s16) le16_to_cpu(sq.signal_level); - local->avg_noise = (s16) le16_to_cpu(sq.noise_level); - local->last_comms_qual_update = jiffies; - } else - ret = -1; - } else { - if (local->func->get_rid(local->dev, HFA384X_RID_COMMSQUALITY, - &sq, sizeof(sq), 1) >= 0) { - local->comms_qual = le16_to_cpu(sq.comm_qual); - local->avg_signal = HFA384X_LEVEL_TO_dBm( - le16_to_cpu(sq.signal_level)); - local->avg_noise = HFA384X_LEVEL_TO_dBm( - le16_to_cpu(sq.noise_level)); - local->last_comms_qual_update = jiffies; - } else - ret = -1; - } - - return ret; -} - - -int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, - u8 *body, size_t bodylen) -{ - struct sk_buff *skb; - struct hostap_ieee80211_mgmt *mgmt; - struct hostap_skb_tx_data *meta; - struct net_device *dev = local->dev; - - skb = dev_alloc_skb(IEEE80211_MGMT_HDR_LEN + bodylen); - if (skb == NULL) - return -ENOMEM; - - mgmt = (struct hostap_ieee80211_mgmt *) - skb_put(skb, IEEE80211_MGMT_HDR_LEN); - memset(mgmt, 0, IEEE80211_MGMT_HDR_LEN); - mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype); - memcpy(mgmt->da, dst, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, dst, ETH_ALEN); - if (body) - memcpy(skb_put(skb, bodylen), body, bodylen); - - meta = (struct hostap_skb_tx_data *) skb->cb; - memset(meta, 0, sizeof(*meta)); - meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; - meta->iface = netdev_priv(dev); - - skb->dev = dev; - skb_reset_mac_header(skb); - skb_reset_network_header(skb); - dev_queue_xmit(skb); - - return 0; -} - - -int prism2_sta_deauth(local_info_t *local, u16 reason) -{ - union iwreq_data wrqu; - int ret; - __le16 val = cpu_to_le16(reason); - - if (local->iw_mode != IW_MODE_INFRA || - is_zero_ether_addr(local->bssid) || - ether_addr_equal(local->bssid, "\x44\x44\x44\x44\x44\x44")) - return 0; - - ret = prism2_sta_send_mgmt(local, local->bssid, IEEE80211_STYPE_DEAUTH, - (u8 *) &val, 2); - eth_zero_addr(wrqu.ap_addr.sa_data); - wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); - return ret; -} - - -struct proc_dir_entry *hostap_proc; - -static int __init hostap_init(void) -{ - if (init_net.proc_net != NULL) { - hostap_proc = proc_mkdir("hostap", init_net.proc_net); - if (!hostap_proc) - printk(KERN_WARNING "Failed to mkdir " - "/proc/net/hostap\n"); - } else - hostap_proc = NULL; - - return 0; -} - - -static void __exit hostap_exit(void) -{ - if (hostap_proc != NULL) { - hostap_proc = NULL; - remove_proc_entry("hostap", init_net.proc_net); - } -} - - -EXPORT_SYMBOL(hostap_set_word); -EXPORT_SYMBOL(hostap_set_string); -EXPORT_SYMBOL(hostap_get_porttype); -EXPORT_SYMBOL(hostap_set_encryption); -EXPORT_SYMBOL(hostap_set_antsel); -EXPORT_SYMBOL(hostap_set_roaming); -EXPORT_SYMBOL(hostap_set_auth_algs); -EXPORT_SYMBOL(hostap_dump_rx_header); -EXPORT_SYMBOL(hostap_dump_tx_header); -EXPORT_SYMBOL(hostap_80211_get_hdrlen); -EXPORT_SYMBOL(hostap_setup_dev); -EXPORT_SYMBOL(hostap_set_multicast_list_queue); -EXPORT_SYMBOL(hostap_set_hostapd); -EXPORT_SYMBOL(hostap_set_hostapd_sta); -EXPORT_SYMBOL(hostap_add_interface); -EXPORT_SYMBOL(hostap_remove_interface); -EXPORT_SYMBOL(prism2_update_comms_qual); - -module_init(hostap_init); -module_exit(hostap_exit); diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c deleted file mode 100644 index c864ef4b0015..000000000000 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ /dev/null @@ -1,459 +0,0 @@ -#define PRISM2_PCI - -/* Host AP driver's support for Intersil Prism2.5 PCI cards is based on - * driver patches from Reyk Floeter and - * Andy Warner */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "hostap_wlan.h" - - -static char *dev_info = "hostap_pci"; - - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Support for Intersil Prism2.5-based 802.11 wireless LAN " - "PCI cards."); -MODULE_SUPPORTED_DEVICE("Intersil Prism2.5-based WLAN PCI cards"); -MODULE_LICENSE("GPL"); - - -/* struct local_info::hw_priv */ -struct hostap_pci_priv { - void __iomem *mem_start; -}; - - -/* FIX: do we need mb/wmb/rmb with memory operations? */ - - -static const struct pci_device_id prism2_pci_id_table[] = { - /* Intersil Prism3 ISL3872 11Mb/s WLAN Controller */ - { 0x1260, 0x3872, PCI_ANY_ID, PCI_ANY_ID }, - /* Intersil Prism2.5 ISL3874 11Mb/s WLAN Controller */ - { 0x1260, 0x3873, PCI_ANY_ID, PCI_ANY_ID }, - /* Samsung MagicLAN SWL-2210P */ - { 0x167d, 0xa000, PCI_ANY_ID, PCI_ANY_ID }, - { 0 } -}; - - -#ifdef PRISM2_IO_DEBUG - -static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - hw_priv = local->hw_priv; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); - writeb(v, hw_priv->mem_start + a); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - local_info_t *local; - unsigned long flags; - u8 v; - - iface = netdev_priv(dev); - local = iface->local; - hw_priv = local->hw_priv; - - spin_lock_irqsave(&local->lock, flags); - v = readb(hw_priv->mem_start + a); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); - spin_unlock_irqrestore(&local->lock, flags); - return v; -} - -static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - hw_priv = local->hw_priv; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); - writew(v, hw_priv->mem_start + a); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - local_info_t *local; - unsigned long flags; - u16 v; - - iface = netdev_priv(dev); - local = iface->local; - hw_priv = local->hw_priv; - - spin_lock_irqsave(&local->lock, flags); - v = readw(hw_priv->mem_start + a); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); - spin_unlock_irqrestore(&local->lock, flags); - return v; -} - -#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) -#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) -#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) -#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) -#define HFA384X_OUTW_DATA(v,a) hfa384x_outw_debug(dev, (a), le16_to_cpu((v))) -#define HFA384X_INW_DATA(a) cpu_to_le16(hfa384x_inw_debug(dev, (a))) - -#else /* PRISM2_IO_DEBUG */ - -static inline void hfa384x_outb(struct net_device *dev, int a, u8 v) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - writeb(v, hw_priv->mem_start + a); -} - -static inline u8 hfa384x_inb(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - return readb(hw_priv->mem_start + a); -} - -static inline void hfa384x_outw(struct net_device *dev, int a, u16 v) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - writew(v, hw_priv->mem_start + a); -} - -static inline u16 hfa384x_inw(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - return readw(hw_priv->mem_start + a); -} - -#define HFA384X_OUTB(v,a) hfa384x_outb(dev, (a), (v)) -#define HFA384X_INB(a) hfa384x_inb(dev, (a)) -#define HFA384X_OUTW(v,a) hfa384x_outw(dev, (a), (v)) -#define HFA384X_INW(a) hfa384x_inw(dev, (a)) -#define HFA384X_OUTW_DATA(v,a) hfa384x_outw(dev, (a), le16_to_cpu((v))) -#define HFA384X_INW_DATA(a) cpu_to_le16(hfa384x_inw(dev, (a))) - -#endif /* PRISM2_IO_DEBUG */ - - -static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, - int len) -{ - u16 d_off; - __le16 *pos; - - d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; - pos = (__le16 *) buf; - - for ( ; len > 1; len -= 2) - *pos++ = HFA384X_INW_DATA(d_off); - - if (len & 1) - *((char *) pos) = HFA384X_INB(d_off); - - return 0; -} - - -static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) -{ - u16 d_off; - __le16 *pos; - - d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; - pos = (__le16 *) buf; - - for ( ; len > 1; len -= 2) - HFA384X_OUTW_DATA(*pos++, d_off); - - if (len & 1) - HFA384X_OUTB(*((char *) pos), d_off); - - return 0; -} - - -/* FIX: This might change at some point.. */ -#include "hostap_hw.c" - -static void prism2_pci_cor_sreset(local_info_t *local) -{ - struct net_device *dev = local->dev; - u16 reg; - - reg = HFA384X_INB(HFA384X_PCICOR_OFF); - printk(KERN_DEBUG "%s: Original COR value: 0x%0x\n", dev->name, reg); - - /* linux-wlan-ng uses extremely long hold and settle times for - * COR sreset. A comment in the driver code mentions that the long - * delays appear to be necessary. However, at least IBM 22P6901 seems - * to work fine with shorter delays. - * - * Longer delays can be configured by uncommenting following line: */ -/* #define PRISM2_PCI_USE_LONG_DELAYS */ - -#ifdef PRISM2_PCI_USE_LONG_DELAYS - int i; - - HFA384X_OUTW(reg | 0x0080, HFA384X_PCICOR_OFF); - mdelay(250); - - HFA384X_OUTW(reg & ~0x0080, HFA384X_PCICOR_OFF); - mdelay(500); - - /* Wait for f/w to complete initialization (CMD:BUSY == 0) */ - i = 2000000 / 10; - while ((HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY) && --i) - udelay(10); - -#else /* PRISM2_PCI_USE_LONG_DELAYS */ - - HFA384X_OUTW(reg | 0x0080, HFA384X_PCICOR_OFF); - mdelay(2); - HFA384X_OUTW(reg & ~0x0080, HFA384X_PCICOR_OFF); - mdelay(2); - -#endif /* PRISM2_PCI_USE_LONG_DELAYS */ - - if (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY) { - printk(KERN_DEBUG "%s: COR sreset timeout\n", dev->name); - } -} - - -static void prism2_pci_genesis_reset(local_info_t *local, int hcr) -{ - struct net_device *dev = local->dev; - - HFA384X_OUTW(0x00C5, HFA384X_PCICOR_OFF); - mdelay(10); - HFA384X_OUTW(hcr, HFA384X_PCIHCR_OFF); - mdelay(10); - HFA384X_OUTW(0x0045, HFA384X_PCICOR_OFF); - mdelay(10); -} - - -static struct prism2_helper_functions prism2_pci_funcs = -{ - .card_present = NULL, - .cor_sreset = prism2_pci_cor_sreset, - .genesis_reset = prism2_pci_genesis_reset, - .hw_type = HOSTAP_HW_PCI, -}; - - -static int prism2_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - unsigned long phymem; - void __iomem *mem = NULL; - local_info_t *local = NULL; - struct net_device *dev = NULL; - static int cards_found /* = 0 */; - int irq_registered = 0; - struct hostap_interface *iface; - struct hostap_pci_priv *hw_priv; - - hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); - if (hw_priv == NULL) - return -ENOMEM; - - if (pci_enable_device(pdev)) - goto err_out_free; - - phymem = pci_resource_start(pdev, 0); - - if (!request_mem_region(phymem, pci_resource_len(pdev, 0), "Prism2")) { - printk(KERN_ERR "prism2: Cannot reserve PCI memory region\n"); - goto err_out_disable; - } - - mem = pci_ioremap_bar(pdev, 0); - if (mem == NULL) { - printk(KERN_ERR "prism2: Cannot remap PCI memory region\n") ; - goto fail; - } - - dev = prism2_init_local_data(&prism2_pci_funcs, cards_found, - &pdev->dev); - if (dev == NULL) - goto fail; - iface = netdev_priv(dev); - local = iface->local; - local->hw_priv = hw_priv; - cards_found++; - - dev->irq = pdev->irq; - hw_priv->mem_start = mem; - dev->base_addr = (unsigned long) mem; - - prism2_pci_cor_sreset(local); - - pci_set_drvdata(pdev, dev); - - if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name, - dev)) { - printk(KERN_WARNING "%s: request_irq failed\n", dev->name); - goto fail; - } else - irq_registered = 1; - - if (!local->pri_only && prism2_hw_config(dev, 1)) { - printk(KERN_DEBUG "%s: hardware initialization failed\n", - dev_info); - goto fail; - } - - printk(KERN_INFO "%s: Intersil Prism2.5 PCI: " - "mem=0x%lx, irq=%d\n", dev->name, phymem, dev->irq); - - return hostap_hw_ready(dev); - - fail: - if (irq_registered && dev) - free_irq(dev->irq, dev); - - if (mem) - iounmap(mem); - - release_mem_region(phymem, pci_resource_len(pdev, 0)); - - err_out_disable: - pci_disable_device(pdev); - prism2_free_local_data(dev); - - err_out_free: - kfree(hw_priv); - - return -ENODEV; -} - - -static void prism2_pci_remove(struct pci_dev *pdev) -{ - struct net_device *dev; - struct hostap_interface *iface; - void __iomem *mem_start; - struct hostap_pci_priv *hw_priv; - - dev = pci_get_drvdata(pdev); - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - - /* Reset the hardware, and ensure interrupts are disabled. */ - prism2_pci_cor_sreset(iface->local); - hfa384x_disable_interrupts(dev); - - if (dev->irq) - free_irq(dev->irq, dev); - - mem_start = hw_priv->mem_start; - prism2_free_local_data(dev); - kfree(hw_priv); - - iounmap(mem_start); - - release_mem_region(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - pci_disable_device(pdev); -} - - -#ifdef CONFIG_PM -static int prism2_pci_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *dev = pci_get_drvdata(pdev); - - if (netif_running(dev)) { - netif_stop_queue(dev); - netif_device_detach(dev); - } - prism2_suspend(dev); - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); - - return 0; -} - -static int prism2_pci_resume(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - int err; - - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR "%s: pci_enable_device failed on resume\n", - dev->name); - return err; - } - pci_restore_state(pdev); - prism2_hw_config(dev, 0); - if (netif_running(dev)) { - netif_device_attach(dev); - netif_start_queue(dev); - } - - return 0; -} -#endif /* CONFIG_PM */ - - -MODULE_DEVICE_TABLE(pci, prism2_pci_id_table); - -static struct pci_driver prism2_pci_driver = { - .name = "hostap_pci", - .id_table = prism2_pci_id_table, - .probe = prism2_pci_probe, - .remove = prism2_pci_remove, -#ifdef CONFIG_PM - .suspend = prism2_pci_suspend, - .resume = prism2_pci_resume, -#endif /* CONFIG_PM */ -}; - -module_pci_driver(prism2_pci_driver); diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c deleted file mode 100644 index 4901a99c6c59..000000000000 --- a/drivers/net/wireless/hostap/hostap_plx.c +++ /dev/null @@ -1,618 +0,0 @@ -#define PRISM2_PLX - -/* Host AP driver's support for PC Cards on PCI adapters using PLX9052 is - * based on: - * - Host AP driver patch from james@madingley.org - * - linux-wlan-ng driver, Copyright (C) AbsoluteValue Systems, Inc. - */ - - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include "hostap_wlan.h" - - -static char *dev_info = "hostap_plx"; - - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN " - "cards (PLX)."); -MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PLX)"); -MODULE_LICENSE("GPL"); - - -static int ignore_cis; -module_param(ignore_cis, int, 0444); -MODULE_PARM_DESC(ignore_cis, "Do not verify manfid information in CIS"); - - -/* struct local_info::hw_priv */ -struct hostap_plx_priv { - void __iomem *attr_mem; - unsigned int cor_offset; -}; - - -#define PLX_MIN_ATTR_LEN 512 /* at least 2 x 256 is needed for CIS */ -#define COR_SRESET 0x80 -#define COR_LEVLREQ 0x40 -#define COR_ENABLE_FUNC 0x01 -/* PCI Configuration Registers */ -#define PLX_PCIIPR 0x3d /* PCI Interrupt Pin */ -/* Local Configuration Registers */ -#define PLX_INTCSR 0x4c /* Interrupt Control/Status Register */ -#define PLX_INTCSR_PCI_INTEN BIT(6) /* PCI Interrupt Enable */ -#define PLX_CNTRL 0x50 -#define PLX_CNTRL_SERIAL_EEPROM_PRESENT BIT(28) - - -#define PLXDEV(vendor,dev,str) { vendor, dev, PCI_ANY_ID, PCI_ANY_ID } - -static const struct pci_device_id prism2_plx_id_table[] = { - PLXDEV(0x10b7, 0x7770, "3Com AirConnect PCI 777A"), - PLXDEV(0x111a, 0x1023, "Siemens SpeedStream SS1023"), - PLXDEV(0x126c, 0x8030, "Nortel emobility"), - PLXDEV(0x1562, 0x0001, "Symbol LA-4123"), - PLXDEV(0x1385, 0x4100, "Netgear MA301"), - PLXDEV(0x15e8, 0x0130, "National Datacomm NCP130 (PLX9052)"), - PLXDEV(0x15e8, 0x0131, "National Datacomm NCP130 (TMD7160)"), - PLXDEV(0x1638, 0x1100, "Eumitcom WL11000"), - PLXDEV(0x16ab, 0x1100, "Global Sun Tech GL24110P"), - PLXDEV(0x16ab, 0x1101, "Global Sun Tech GL24110P (?)"), - PLXDEV(0x16ab, 0x1102, "Linksys WPC11 with WDT11"), - PLXDEV(0x16ab, 0x1103, "Longshine 8031"), - PLXDEV(0x16ec, 0x3685, "US Robotics USR2415"), - PLXDEV(0xec80, 0xec00, "Belkin F5D6000"), - { 0 } -}; - - -/* Array of known Prism2/2.5 PC Card manufactured ids. If your card's manfid - * is not listed here, you will need to add it here to get the driver - * initialized. */ -static struct prism2_plx_manfid { - u16 manfid1, manfid2; -} prism2_plx_known_manfids[] = { - { 0x000b, 0x7110 } /* D-Link DWL-650 Rev. P1 */, - { 0x000b, 0x7300 } /* Philips 802.11b WLAN PCMCIA */, - { 0x0101, 0x0777 } /* 3Com AirConnect PCI 777A */, - { 0x0126, 0x8000 } /* Proxim RangeLAN */, - { 0x0138, 0x0002 } /* Compaq WL100 */, - { 0x0156, 0x0002 } /* Intersil Prism II Ref. Design (and others) */, - { 0x026f, 0x030b } /* Buffalo WLI-CF-S11G */, - { 0x0274, 0x1612 } /* Linksys WPC11 Ver 2.5 */, - { 0x0274, 0x1613 } /* Linksys WPC11 Ver 3 */, - { 0x028a, 0x0002 } /* D-Link DRC-650 */, - { 0x0250, 0x0002 } /* Samsung SWL2000-N */, - { 0xc250, 0x0002 } /* EMTAC A2424i */, - { 0xd601, 0x0002 } /* Z-Com XI300 */, - { 0xd601, 0x0005 } /* Zcomax XI-325H 200mW */, - { 0, 0} -}; - - -#ifdef PRISM2_IO_DEBUG - -static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); - outb(v, dev->base_addr + a); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - u8 v; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock_irqsave(&local->lock, flags); - v = inb(dev->base_addr + a); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); - spin_unlock_irqrestore(&local->lock, flags); - return v; -} - -static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); - outw(v, dev->base_addr + a); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - u16 v; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock_irqsave(&local->lock, flags); - v = inw(dev->base_addr + a); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); - spin_unlock_irqrestore(&local->lock, flags); - return v; -} - -static inline void hfa384x_outsw_debug(struct net_device *dev, int a, - u8 *buf, int wc) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc); - outsw(dev->base_addr + a, buf, wc); - spin_unlock_irqrestore(&local->lock, flags); -} - -static inline void hfa384x_insw_debug(struct net_device *dev, int a, - u8 *buf, int wc) -{ - struct hostap_interface *iface; - local_info_t *local; - unsigned long flags; - - iface = netdev_priv(dev); - local = iface->local; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc); - insw(dev->base_addr + a, buf, wc); - spin_unlock_irqrestore(&local->lock, flags); -} - -#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) -#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) -#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) -#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) -#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc)) -#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc)) - -#else /* PRISM2_IO_DEBUG */ - -#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a)) -#define HFA384X_INB(a) inb(dev->base_addr + (a)) -#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a)) -#define HFA384X_INW(a) inw(dev->base_addr + (a)) -#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc) -#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc) - -#endif /* PRISM2_IO_DEBUG */ - - -static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, - int len) -{ - u16 d_off; - u16 *pos; - - d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; - pos = (u16 *) buf; - - if (len / 2) - HFA384X_INSW(d_off, buf, len / 2); - pos += len / 2; - - if (len & 1) - *((char *) pos) = HFA384X_INB(d_off); - - return 0; -} - - -static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) -{ - u16 d_off; - u16 *pos; - - d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; - pos = (u16 *) buf; - - if (len / 2) - HFA384X_OUTSW(d_off, buf, len / 2); - pos += len / 2; - - if (len & 1) - HFA384X_OUTB(*((char *) pos), d_off); - - return 0; -} - - -/* FIX: This might change at some point.. */ -#include "hostap_hw.c" - - -static void prism2_plx_cor_sreset(local_info_t *local) -{ - unsigned char corsave; - struct hostap_plx_priv *hw_priv = local->hw_priv; - - printk(KERN_DEBUG "%s: Doing reset via direct COR access.\n", - dev_info); - - /* Set sreset bit of COR and clear it after hold time */ - - if (hw_priv->attr_mem == NULL) { - /* TMD7160 - COR at card's first I/O addr */ - corsave = inb(hw_priv->cor_offset); - outb(corsave | COR_SRESET, hw_priv->cor_offset); - mdelay(2); - outb(corsave & ~COR_SRESET, hw_priv->cor_offset); - mdelay(2); - } else { - /* PLX9052 */ - corsave = readb(hw_priv->attr_mem + hw_priv->cor_offset); - writeb(corsave | COR_SRESET, - hw_priv->attr_mem + hw_priv->cor_offset); - mdelay(2); - writeb(corsave & ~COR_SRESET, - hw_priv->attr_mem + hw_priv->cor_offset); - mdelay(2); - } -} - - -static void prism2_plx_genesis_reset(local_info_t *local, int hcr) -{ - unsigned char corsave; - struct hostap_plx_priv *hw_priv = local->hw_priv; - - if (hw_priv->attr_mem == NULL) { - /* TMD7160 - COR at card's first I/O addr */ - corsave = inb(hw_priv->cor_offset); - outb(corsave | COR_SRESET, hw_priv->cor_offset); - mdelay(10); - outb(hcr, hw_priv->cor_offset + 2); - mdelay(10); - outb(corsave & ~COR_SRESET, hw_priv->cor_offset); - mdelay(10); - } else { - /* PLX9052 */ - corsave = readb(hw_priv->attr_mem + hw_priv->cor_offset); - writeb(corsave | COR_SRESET, - hw_priv->attr_mem + hw_priv->cor_offset); - mdelay(10); - writeb(hcr, hw_priv->attr_mem + hw_priv->cor_offset + 2); - mdelay(10); - writeb(corsave & ~COR_SRESET, - hw_priv->attr_mem + hw_priv->cor_offset); - mdelay(10); - } -} - - -static struct prism2_helper_functions prism2_plx_funcs = -{ - .card_present = NULL, - .cor_sreset = prism2_plx_cor_sreset, - .genesis_reset = prism2_plx_genesis_reset, - .hw_type = HOSTAP_HW_PLX, -}; - - -static int prism2_plx_check_cis(void __iomem *attr_mem, int attr_len, - unsigned int *cor_offset, - unsigned int *cor_index) -{ -#define CISTPL_CONFIG 0x1A -#define CISTPL_MANFID 0x20 -#define CISTPL_END 0xFF -#define CIS_MAX_LEN 256 - u8 *cis; - int i, pos; - unsigned int rmsz, rasz, manfid1, manfid2; - struct prism2_plx_manfid *manfid; - - cis = kmalloc(CIS_MAX_LEN, GFP_KERNEL); - if (cis == NULL) - return -ENOMEM; - - /* read CIS; it is in even offsets in the beginning of attr_mem */ - for (i = 0; i < CIS_MAX_LEN; i++) - cis[i] = readb(attr_mem + 2 * i); - printk(KERN_DEBUG "%s: CIS: %02x %02x %02x %02x %02x %02x ...\n", - dev_info, cis[0], cis[1], cis[2], cis[3], cis[4], cis[5]); - - /* set reasonable defaults for Prism2 cards just in case CIS parsing - * fails */ - *cor_offset = 0x3e0; - *cor_index = 0x01; - manfid1 = manfid2 = 0; - - pos = 0; - while (pos < CIS_MAX_LEN - 1 && cis[pos] != CISTPL_END) { - if (pos + 2 + cis[pos + 1] > CIS_MAX_LEN) - goto cis_error; - - switch (cis[pos]) { - case CISTPL_CONFIG: - if (cis[pos + 1] < 2) - goto cis_error; - rmsz = (cis[pos + 2] & 0x3c) >> 2; - rasz = cis[pos + 2] & 0x03; - if (4 + rasz + rmsz > cis[pos + 1]) - goto cis_error; - *cor_index = cis[pos + 3] & 0x3F; - *cor_offset = 0; - for (i = 0; i <= rasz; i++) - *cor_offset += cis[pos + 4 + i] << (8 * i); - printk(KERN_DEBUG "%s: cor_index=0x%x " - "cor_offset=0x%x\n", dev_info, - *cor_index, *cor_offset); - if (*cor_offset > attr_len) { - printk(KERN_ERR "%s: COR offset not within " - "attr_mem\n", dev_info); - kfree(cis); - return -1; - } - break; - - case CISTPL_MANFID: - if (cis[pos + 1] < 4) - goto cis_error; - manfid1 = cis[pos + 2] + (cis[pos + 3] << 8); - manfid2 = cis[pos + 4] + (cis[pos + 5] << 8); - printk(KERN_DEBUG "%s: manfid=0x%04x, 0x%04x\n", - dev_info, manfid1, manfid2); - break; - } - - pos += cis[pos + 1] + 2; - } - - if (pos >= CIS_MAX_LEN || cis[pos] != CISTPL_END) - goto cis_error; - - for (manfid = prism2_plx_known_manfids; manfid->manfid1 != 0; manfid++) - if (manfid1 == manfid->manfid1 && manfid2 == manfid->manfid2) { - kfree(cis); - return 0; - } - - printk(KERN_INFO "%s: unknown manfid 0x%04x, 0x%04x - assuming this is" - " not supported card\n", dev_info, manfid1, manfid2); - goto fail; - - cis_error: - printk(KERN_WARNING "%s: invalid CIS data\n", dev_info); - - fail: - kfree(cis); - if (ignore_cis) { - printk(KERN_INFO "%s: ignore_cis parameter set - ignoring " - "errors during CIS verification\n", dev_info); - return 0; - } - return -1; -} - - -static int prism2_plx_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - unsigned int pccard_ioaddr, plx_ioaddr; - unsigned long pccard_attr_mem; - unsigned int pccard_attr_len; - void __iomem *attr_mem = NULL; - unsigned int cor_offset = 0, cor_index = 0; - u32 reg; - local_info_t *local = NULL; - struct net_device *dev = NULL; - struct hostap_interface *iface; - static int cards_found /* = 0 */; - int irq_registered = 0; - int tmd7160; - struct hostap_plx_priv *hw_priv; - - hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); - if (hw_priv == NULL) - return -ENOMEM; - - if (pci_enable_device(pdev)) - goto err_out_free; - - /* National Datacomm NCP130 based on TMD7160, not PLX9052. */ - tmd7160 = (pdev->vendor == 0x15e8) && (pdev->device == 0x0131); - - plx_ioaddr = pci_resource_start(pdev, 1); - pccard_ioaddr = pci_resource_start(pdev, tmd7160 ? 2 : 3); - - if (tmd7160) { - /* TMD7160 */ - attr_mem = NULL; /* no access to PC Card attribute memory */ - - printk(KERN_INFO "TMD7160 PCI/PCMCIA adapter: io=0x%x, " - "irq=%d, pccard_io=0x%x\n", - plx_ioaddr, pdev->irq, pccard_ioaddr); - - cor_offset = plx_ioaddr; - cor_index = 0x04; - - outb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, plx_ioaddr); - mdelay(1); - reg = inb(plx_ioaddr); - if (reg != (cor_index | COR_LEVLREQ | COR_ENABLE_FUNC)) { - printk(KERN_ERR "%s: Error setting COR (expected=" - "0x%02x, was=0x%02x)\n", dev_info, - cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, reg); - goto fail; - } - } else { - /* PLX9052 */ - pccard_attr_mem = pci_resource_start(pdev, 2); - pccard_attr_len = pci_resource_len(pdev, 2); - if (pccard_attr_len < PLX_MIN_ATTR_LEN) - goto fail; - - - attr_mem = ioremap(pccard_attr_mem, pccard_attr_len); - if (attr_mem == NULL) { - printk(KERN_ERR "%s: cannot remap attr_mem\n", - dev_info); - goto fail; - } - - printk(KERN_INFO "PLX9052 PCI/PCMCIA adapter: " - "mem=0x%lx, plx_io=0x%x, irq=%d, pccard_io=0x%x\n", - pccard_attr_mem, plx_ioaddr, pdev->irq, pccard_ioaddr); - - if (prism2_plx_check_cis(attr_mem, pccard_attr_len, - &cor_offset, &cor_index)) { - printk(KERN_INFO "Unknown PC Card CIS - not a " - "Prism2/2.5 card?\n"); - goto fail; - } - - printk(KERN_DEBUG "Prism2/2.5 PC Card detected in PLX9052 " - "adapter\n"); - - /* Write COR to enable PC Card */ - writeb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, - attr_mem + cor_offset); - - /* Enable PCI interrupts if they are not already enabled */ - reg = inl(plx_ioaddr + PLX_INTCSR); - printk(KERN_DEBUG "PLX_INTCSR=0x%x\n", reg); - if (!(reg & PLX_INTCSR_PCI_INTEN)) { - outl(reg | PLX_INTCSR_PCI_INTEN, - plx_ioaddr + PLX_INTCSR); - if (!(inl(plx_ioaddr + PLX_INTCSR) & - PLX_INTCSR_PCI_INTEN)) { - printk(KERN_WARNING "%s: Could not enable " - "Local Interrupts\n", dev_info); - goto fail; - } - } - - reg = inl(plx_ioaddr + PLX_CNTRL); - printk(KERN_DEBUG "PLX_CNTRL=0x%x (Serial EEPROM " - "present=%d)\n", - reg, (reg & PLX_CNTRL_SERIAL_EEPROM_PRESENT) != 0); - /* should set PLX_PCIIPR to 0x01 (INTA#) if Serial EEPROM is - * not present; but are there really such cards in use(?) */ - } - - dev = prism2_init_local_data(&prism2_plx_funcs, cards_found, - &pdev->dev); - if (dev == NULL) - goto fail; - iface = netdev_priv(dev); - local = iface->local; - local->hw_priv = hw_priv; - cards_found++; - - dev->irq = pdev->irq; - dev->base_addr = pccard_ioaddr; - hw_priv->attr_mem = attr_mem; - hw_priv->cor_offset = cor_offset; - - pci_set_drvdata(pdev, dev); - - if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name, - dev)) { - printk(KERN_WARNING "%s: request_irq failed\n", dev->name); - goto fail; - } else - irq_registered = 1; - - if (prism2_hw_config(dev, 1)) { - printk(KERN_DEBUG "%s: hardware initialization failed\n", - dev_info); - goto fail; - } - - return hostap_hw_ready(dev); - - fail: - if (irq_registered && dev) - free_irq(dev->irq, dev); - - if (attr_mem) - iounmap(attr_mem); - - pci_disable_device(pdev); - prism2_free_local_data(dev); - - err_out_free: - kfree(hw_priv); - - return -ENODEV; -} - - -static void prism2_plx_remove(struct pci_dev *pdev) -{ - struct net_device *dev; - struct hostap_interface *iface; - struct hostap_plx_priv *hw_priv; - - dev = pci_get_drvdata(pdev); - iface = netdev_priv(dev); - hw_priv = iface->local->hw_priv; - - /* Reset the hardware, and ensure interrupts are disabled. */ - prism2_plx_cor_sreset(iface->local); - hfa384x_disable_interrupts(dev); - - if (hw_priv->attr_mem) - iounmap(hw_priv->attr_mem); - if (dev->irq) - free_irq(dev->irq, dev); - - prism2_free_local_data(dev); - kfree(hw_priv); - pci_disable_device(pdev); -} - - -MODULE_DEVICE_TABLE(pci, prism2_plx_id_table); - -static struct pci_driver prism2_plx_driver = { - .name = "hostap_plx", - .id_table = prism2_plx_id_table, - .probe = prism2_plx_probe, - .remove = prism2_plx_remove, -}; - -module_pci_driver(prism2_plx_driver); diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c deleted file mode 100644 index dd84557cf957..000000000000 --- a/drivers/net/wireless/hostap/hostap_proc.c +++ /dev/null @@ -1,499 +0,0 @@ -/* /proc routines for Host AP driver */ - -#include -#include -#include -#include - -#include "hostap_wlan.h" -#include "hostap.h" - -#define PROC_LIMIT (PAGE_SIZE - 80) - - -#ifndef PRISM2_NO_PROCFS_DEBUG -static int prism2_debug_proc_show(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - int i; - - seq_printf(m, "next_txfid=%d next_alloc=%d\n", - local->next_txfid, local->next_alloc); - for (i = 0; i < PRISM2_TXFID_COUNT; i++) - seq_printf(m, "FID: tx=%04X intransmit=%04X\n", - local->txfid[i], local->intransmitfid[i]); - seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control); - seq_printf(m, "beacon_int=%d\n", local->beacon_int); - seq_printf(m, "dtim_period=%d\n", local->dtim_period); - seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections); - seq_printf(m, "dev_enabled=%d\n", local->dev_enabled); - seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck); - for (i = 0; i < WEP_KEYS; i++) { - if (local->crypt_info.crypt[i] && - local->crypt_info.crypt[i]->ops) { - seq_printf(m, "crypt[%d]=%s\n", i, - local->crypt_info.crypt[i]->ops->name); - } - } - seq_printf(m, "pri_only=%d\n", local->pri_only); - seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI); - seq_printf(m, "sram_type=%d\n", local->sram_type); - seq_printf(m, "no_pri=%d\n", local->no_pri); - - return 0; -} - -static int prism2_debug_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, prism2_debug_proc_show, PDE_DATA(inode)); -} - -static const struct file_operations prism2_debug_proc_fops = { - .open = prism2_debug_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif /* PRISM2_NO_PROCFS_DEBUG */ - - -static int prism2_stats_proc_show(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - struct comm_tallies_sums *sums = &local->comm_tallies; - - seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames); - seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames); - seq_printf(m, "TxFragments=%u\n", sums->tx_fragments); - seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets); - seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets); - seq_printf(m, "TxDeferredTransmissions=%u\n", - sums->tx_deferred_transmissions); - seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames); - seq_printf(m, "TxMultipleRetryFrames=%u\n", - sums->tx_multiple_retry_frames); - seq_printf(m, "TxRetryLimitExceeded=%u\n", - sums->tx_retry_limit_exceeded); - seq_printf(m, "TxDiscards=%u\n", sums->tx_discards); - seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames); - seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames); - seq_printf(m, "RxFragments=%u\n", sums->rx_fragments); - seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets); - seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets); - seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors); - seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer); - seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa); - seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n", - sums->rx_discards_wep_undecryptable); - seq_printf(m, "RxMessageInMsgFragments=%u\n", - sums->rx_message_in_msg_fragments); - seq_printf(m, "RxMessageInBadMsgFragments=%u\n", - sums->rx_message_in_bad_msg_fragments); - /* FIX: this may grow too long for one page(?) */ - - return 0; -} - -static int prism2_stats_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, prism2_stats_proc_show, PDE_DATA(inode)); -} - -static const struct file_operations prism2_stats_proc_fops = { - .open = prism2_stats_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - - -static int prism2_wds_proc_show(struct seq_file *m, void *v) -{ - struct list_head *ptr = v; - struct hostap_interface *iface; - - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type == HOSTAP_INTERFACE_WDS) - seq_printf(m, "%s\t%pM\n", - iface->dev->name, iface->u.wds.remote_addr); - return 0; -} - -static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos) -{ - local_info_t *local = m->private; - read_lock_bh(&local->iface_lock); - return seq_list_start(&local->hostap_interfaces, *_pos); -} - -static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos) -{ - local_info_t *local = m->private; - return seq_list_next(v, &local->hostap_interfaces, _pos); -} - -static void prism2_wds_proc_stop(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - read_unlock_bh(&local->iface_lock); -} - -static const struct seq_operations prism2_wds_proc_seqops = { - .start = prism2_wds_proc_start, - .next = prism2_wds_proc_next, - .stop = prism2_wds_proc_stop, - .show = prism2_wds_proc_show, -}; - -static int prism2_wds_proc_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &prism2_wds_proc_seqops); - if (ret == 0) { - struct seq_file *m = file->private_data; - m->private = PDE_DATA(inode); - } - return ret; -} - -static const struct file_operations prism2_wds_proc_fops = { - .open = prism2_wds_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - - -static int prism2_bss_list_proc_show(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - struct list_head *ptr = v; - struct hostap_bss_info *bss; - - if (ptr == &local->bss_list) { - seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t" - "SSID(hex)\tWPA IE\n"); - return 0; - } - - bss = list_entry(ptr, struct hostap_bss_info, list); - seq_printf(m, "%pM\t%lu\t%u\t0x%x\t", - bss->bssid, bss->last_update, - bss->count, bss->capab_info); - - seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid); - - seq_putc(m, '\t'); - seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid); - seq_putc(m, '\t'); - seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie); - seq_putc(m, '\n'); - return 0; -} - -static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos) -{ - local_info_t *local = m->private; - spin_lock_bh(&local->lock); - return seq_list_start_head(&local->bss_list, *_pos); -} - -static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos) -{ - local_info_t *local = m->private; - return seq_list_next(v, &local->bss_list, _pos); -} - -static void prism2_bss_list_proc_stop(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - spin_unlock_bh(&local->lock); -} - -static const struct seq_operations prism2_bss_list_proc_seqops = { - .start = prism2_bss_list_proc_start, - .next = prism2_bss_list_proc_next, - .stop = prism2_bss_list_proc_stop, - .show = prism2_bss_list_proc_show, -}; - -static int prism2_bss_list_proc_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &prism2_bss_list_proc_seqops); - if (ret == 0) { - struct seq_file *m = file->private_data; - m->private = PDE_DATA(inode); - } - return ret; -} - -static const struct file_operations prism2_bss_list_proc_fops = { - .open = prism2_bss_list_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - - -static int prism2_crypt_proc_show(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - int i; - - seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx); - for (i = 0; i < WEP_KEYS; i++) { - if (local->crypt_info.crypt[i] && - local->crypt_info.crypt[i]->ops && - local->crypt_info.crypt[i]->ops->print_stats) { - local->crypt_info.crypt[i]->ops->print_stats( - m, local->crypt_info.crypt[i]->priv); - } - } - return 0; -} - -static int prism2_crypt_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode)); -} - -static const struct file_operations prism2_crypt_proc_fops = { - .open = prism2_crypt_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - - -static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf, - size_t count, loff_t *_pos) -{ - local_info_t *local = PDE_DATA(file_inode(file)); - size_t off; - - if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE) - return 0; - - off = *_pos; - if (count > PRISM2_PDA_SIZE - off) - count = PRISM2_PDA_SIZE - off; - if (copy_to_user(buf, local->pda + off, count) != 0) - return -EFAULT; - *_pos += count; - return count; -} - -static const struct file_operations prism2_pda_proc_fops = { - .read = prism2_pda_proc_read, - .llseek = generic_file_llseek, -}; - - -static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf, - size_t bufsize, loff_t *_pos) -{ - return 0; -} - -static const struct file_operations prism2_aux_dump_proc_fops = { - .read = prism2_aux_dump_proc_no_read, -}; - - -#ifdef PRISM2_IO_DEBUG -static int prism2_io_debug_proc_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - local_info_t *local = (local_info_t *) data; - int head = local->io_debug_head; - int start_bytes, left, copy, copied; - - if (off + count > PRISM2_IO_DEBUG_SIZE * 4) { - *eof = 1; - if (off >= PRISM2_IO_DEBUG_SIZE * 4) - return 0; - count = PRISM2_IO_DEBUG_SIZE * 4 - off; - } - - copied = 0; - start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4; - left = count; - - if (off < start_bytes) { - copy = start_bytes - off; - if (copy > count) - copy = count; - memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy); - left -= copy; - if (left > 0) - memcpy(&page[copy], local->io_debug, left); - } else { - memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes), - left); - } - - *start = page; - - return count; -} -#endif /* PRISM2_IO_DEBUG */ - - -#ifndef PRISM2_NO_STATION_MODES -static int prism2_scan_results_proc_show(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - unsigned long entry; - int i, len; - struct hfa384x_hostscan_result *scanres; - u8 *p; - - if (v == SEQ_START_TOKEN) { - seq_printf(m, - "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n"); - return 0; - } - - entry = (unsigned long)v - 2; - scanres = &local->last_scan_results[entry]; - - seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ", - le16_to_cpu(scanres->chid), - (s16) le16_to_cpu(scanres->anl), - (s16) le16_to_cpu(scanres->sl), - le16_to_cpu(scanres->beacon_interval), - le16_to_cpu(scanres->capability), - le16_to_cpu(scanres->rate), - scanres->bssid, - le16_to_cpu(scanres->atim)); - - p = scanres->sup_rates; - for (i = 0; i < sizeof(scanres->sup_rates); i++) { - if (p[i] == 0) - break; - seq_printf(m, "<%02x>", p[i]); - } - seq_putc(m, ' '); - - p = scanres->ssid; - len = le16_to_cpu(scanres->ssid_len); - if (len > 32) - len = 32; - for (i = 0; i < len; i++) { - unsigned char c = p[i]; - if (c >= 32 && c < 127) - seq_putc(m, c); - else - seq_printf(m, "<%02x>", c); - } - seq_putc(m, '\n'); - return 0; -} - -static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos) -{ - local_info_t *local = m->private; - spin_lock_bh(&local->lock); - - /* We have a header (pos 0) + N results to show (pos 1...N) */ - if (*_pos > local->last_scan_results_count) - return NULL; - return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */ -} - -static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos) -{ - local_info_t *local = m->private; - - ++*_pos; - if (*_pos > local->last_scan_results_count) - return NULL; - return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */ -} - -static void prism2_scan_results_proc_stop(struct seq_file *m, void *v) -{ - local_info_t *local = m->private; - spin_unlock_bh(&local->lock); -} - -static const struct seq_operations prism2_scan_results_proc_seqops = { - .start = prism2_scan_results_proc_start, - .next = prism2_scan_results_proc_next, - .stop = prism2_scan_results_proc_stop, - .show = prism2_scan_results_proc_show, -}; - -static int prism2_scan_results_proc_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &prism2_scan_results_proc_seqops); - if (ret == 0) { - struct seq_file *m = file->private_data; - m->private = PDE_DATA(inode); - } - return ret; -} - -static const struct file_operations prism2_scan_results_proc_fops = { - .open = prism2_scan_results_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - - -#endif /* PRISM2_NO_STATION_MODES */ - - -void hostap_init_proc(local_info_t *local) -{ - local->proc = NULL; - - if (hostap_proc == NULL) { - printk(KERN_WARNING "%s: hostap proc directory not created\n", - local->dev->name); - return; - } - - local->proc = proc_mkdir(local->ddev->name, hostap_proc); - if (local->proc == NULL) { - printk(KERN_INFO "/proc/net/hostap/%s creation failed\n", - local->ddev->name); - return; - } - -#ifndef PRISM2_NO_PROCFS_DEBUG - proc_create_data("debug", 0, local->proc, - &prism2_debug_proc_fops, local); -#endif /* PRISM2_NO_PROCFS_DEBUG */ - proc_create_data("stats", 0, local->proc, - &prism2_stats_proc_fops, local); - proc_create_data("wds", 0, local->proc, - &prism2_wds_proc_fops, local); - proc_create_data("pda", 0, local->proc, - &prism2_pda_proc_fops, local); - proc_create_data("aux_dump", 0, local->proc, - local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops, - local); - proc_create_data("bss_list", 0, local->proc, - &prism2_bss_list_proc_fops, local); - proc_create_data("crypt", 0, local->proc, - &prism2_crypt_proc_fops, local); -#ifdef PRISM2_IO_DEBUG - proc_create_data("io_debug", 0, local->proc, - &prism2_io_debug_proc_fops, local); -#endif /* PRISM2_IO_DEBUG */ -#ifndef PRISM2_NO_STATION_MODES - proc_create_data("scan_results", 0, local->proc, - &prism2_scan_results_proc_fops, local); -#endif /* PRISM2_NO_STATION_MODES */ -} - - -void hostap_remove_proc(local_info_t *local) -{ - proc_remove(local->proc); -} - - -EXPORT_SYMBOL(hostap_init_proc); -EXPORT_SYMBOL(hostap_remove_proc); diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h deleted file mode 100644 index ca25283e1c92..000000000000 --- a/drivers/net/wireless/hostap/hostap_wlan.h +++ /dev/null @@ -1,1047 +0,0 @@ -#ifndef HOSTAP_WLAN_H -#define HOSTAP_WLAN_H - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "hostap_config.h" -#include "hostap_common.h" - -#define MAX_PARM_DEVICES 8 -#define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES) -#define DEF_INTS -1, -1, -1, -1, -1, -1, -1 -#define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx] - - -/* Specific skb->protocol value that indicates that the packet already contains - * txdesc header. - * FIX: This might need own value that would be allocated especially for Prism2 - * txdesc; ETH_P_CONTROL is commented as "Card specific control frames". - * However, these skb's should have only minimal path in the kernel side since - * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */ -#define ETH_P_HOSTAP ETH_P_CONTROL - -/* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header - * (from linux-wlan-ng) */ -struct linux_wlan_ng_val { - u32 did; - u16 status, len; - u32 data; -} __packed; - -struct linux_wlan_ng_prism_hdr { - u32 msgcode, msglen; - char devname[16]; - struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal, - noise, rate, istx, frmlen; -} __packed; - -struct linux_wlan_ng_cap_hdr { - __be32 version; - __be32 length; - __be64 mactime; - __be64 hosttime; - __be32 phytype; - __be32 channel; - __be32 datarate; - __be32 antenna; - __be32 priority; - __be32 ssi_type; - __be32 ssi_signal; - __be32 ssi_noise; - __be32 preamble; - __be32 encoding; -} __packed; - -struct hostap_radiotap_rx { - struct ieee80211_radiotap_header hdr; - __le64 tsft; - u8 rate; - u8 padding; - __le16 chan_freq; - __le16 chan_flags; - s8 dbm_antsignal; - s8 dbm_antnoise; -} __packed; - -#define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */ -#define LWNG_CAPHDR_VERSION 0x80211001 - -struct hfa384x_rx_frame { - /* HFA384X RX frame descriptor */ - __le16 status; /* HFA384X_RX_STATUS_ flags */ - __le32 time; /* timestamp, 1 microsecond resolution */ - u8 silence; /* 27 .. 154; seems to be 0 */ - u8 signal; /* 27 .. 154 */ - u8 rate; /* 10, 20, 55, or 110 */ - u8 rxflow; - __le32 reserved; - - /* 802.11 */ - __le16 frame_control; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctrl; - u8 addr4[ETH_ALEN]; - __le16 data_len; - - /* 802.3 */ - u8 dst_addr[ETH_ALEN]; - u8 src_addr[ETH_ALEN]; - __be16 len; - - /* followed by frame data; max 2304 bytes */ -} __packed; - - -struct hfa384x_tx_frame { - /* HFA384X TX frame descriptor */ - __le16 status; /* HFA384X_TX_STATUS_ flags */ - __le16 reserved1; - __le16 reserved2; - __le32 sw_support; - u8 retry_count; /* not yet implemented */ - u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */ - __le16 tx_control; /* HFA384X_TX_CTRL_ flags */ - - /* 802.11 */ - __le16 frame_control; /* parts not used */ - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; /* filled by firmware */ - u8 addr3[ETH_ALEN]; - __le16 seq_ctrl; /* filled by firmware */ - u8 addr4[ETH_ALEN]; - __le16 data_len; - - /* 802.3 */ - u8 dst_addr[ETH_ALEN]; - u8 src_addr[ETH_ALEN]; - __be16 len; - - /* followed by frame data; max 2304 bytes */ -} __packed; - - -struct hfa384x_rid_hdr -{ - __le16 len; - __le16 rid; -} __packed; - - -/* Macro for converting signal levels (range 27 .. 154) to wireless ext - * dBm value with some accuracy */ -#define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100 - -#define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100 - -struct hfa384x_scan_request { - __le16 channel_list; - __le16 txrate; /* HFA384X_RATES_* */ -} __packed; - -struct hfa384x_hostscan_request { - __le16 channel_list; - __le16 txrate; - __le16 target_ssid_len; - u8 target_ssid[32]; -} __packed; - -struct hfa384x_join_request { - u8 bssid[ETH_ALEN]; - __le16 channel; -} __packed; - -struct hfa384x_info_frame { - __le16 len; - __le16 type; -} __packed; - -struct hfa384x_comm_tallies { - __le16 tx_unicast_frames; - __le16 tx_multicast_frames; - __le16 tx_fragments; - __le16 tx_unicast_octets; - __le16 tx_multicast_octets; - __le16 tx_deferred_transmissions; - __le16 tx_single_retry_frames; - __le16 tx_multiple_retry_frames; - __le16 tx_retry_limit_exceeded; - __le16 tx_discards; - __le16 rx_unicast_frames; - __le16 rx_multicast_frames; - __le16 rx_fragments; - __le16 rx_unicast_octets; - __le16 rx_multicast_octets; - __le16 rx_fcs_errors; - __le16 rx_discards_no_buffer; - __le16 tx_discards_wrong_sa; - __le16 rx_discards_wep_undecryptable; - __le16 rx_message_in_msg_fragments; - __le16 rx_message_in_bad_msg_fragments; -} __packed; - -struct hfa384x_comm_tallies32 { - __le32 tx_unicast_frames; - __le32 tx_multicast_frames; - __le32 tx_fragments; - __le32 tx_unicast_octets; - __le32 tx_multicast_octets; - __le32 tx_deferred_transmissions; - __le32 tx_single_retry_frames; - __le32 tx_multiple_retry_frames; - __le32 tx_retry_limit_exceeded; - __le32 tx_discards; - __le32 rx_unicast_frames; - __le32 rx_multicast_frames; - __le32 rx_fragments; - __le32 rx_unicast_octets; - __le32 rx_multicast_octets; - __le32 rx_fcs_errors; - __le32 rx_discards_no_buffer; - __le32 tx_discards_wrong_sa; - __le32 rx_discards_wep_undecryptable; - __le32 rx_message_in_msg_fragments; - __le32 rx_message_in_bad_msg_fragments; -} __packed; - -struct hfa384x_scan_result_hdr { - __le16 reserved; - __le16 scan_reason; -#define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */ -#define HFA384X_SCAN_HOST_INITIATED 1 -#define HFA384X_SCAN_FIRMWARE_INITIATED 2 -#define HFA384X_SCAN_INQUIRY_FROM_HOST 3 -} __packed; - -#define HFA384X_SCAN_MAX_RESULTS 32 - -struct hfa384x_scan_result { - __le16 chid; - __le16 anl; - __le16 sl; - u8 bssid[ETH_ALEN]; - __le16 beacon_interval; - __le16 capability; - __le16 ssid_len; - u8 ssid[32]; - u8 sup_rates[10]; - __le16 rate; -} __packed; - -struct hfa384x_hostscan_result { - __le16 chid; - __le16 anl; - __le16 sl; - u8 bssid[ETH_ALEN]; - __le16 beacon_interval; - __le16 capability; - __le16 ssid_len; - u8 ssid[32]; - u8 sup_rates[10]; - __le16 rate; - __le16 atim; -} __packed; - -struct comm_tallies_sums { - unsigned int tx_unicast_frames; - unsigned int tx_multicast_frames; - unsigned int tx_fragments; - unsigned int tx_unicast_octets; - unsigned int tx_multicast_octets; - unsigned int tx_deferred_transmissions; - unsigned int tx_single_retry_frames; - unsigned int tx_multiple_retry_frames; - unsigned int tx_retry_limit_exceeded; - unsigned int tx_discards; - unsigned int rx_unicast_frames; - unsigned int rx_multicast_frames; - unsigned int rx_fragments; - unsigned int rx_unicast_octets; - unsigned int rx_multicast_octets; - unsigned int rx_fcs_errors; - unsigned int rx_discards_no_buffer; - unsigned int tx_discards_wrong_sa; - unsigned int rx_discards_wep_undecryptable; - unsigned int rx_message_in_msg_fragments; - unsigned int rx_message_in_bad_msg_fragments; -}; - - -struct hfa384x_regs { - u16 cmd; - u16 evstat; - u16 offset0; - u16 offset1; - u16 swsupport0; -}; - - -#if defined(PRISM2_PCCARD) || defined(PRISM2_PLX) -/* I/O ports for HFA384X Controller access */ -#define HFA384X_CMD_OFF 0x00 -#define HFA384X_PARAM0_OFF 0x02 -#define HFA384X_PARAM1_OFF 0x04 -#define HFA384X_PARAM2_OFF 0x06 -#define HFA384X_STATUS_OFF 0x08 -#define HFA384X_RESP0_OFF 0x0A -#define HFA384X_RESP1_OFF 0x0C -#define HFA384X_RESP2_OFF 0x0E -#define HFA384X_INFOFID_OFF 0x10 -#define HFA384X_CONTROL_OFF 0x14 -#define HFA384X_SELECT0_OFF 0x18 -#define HFA384X_SELECT1_OFF 0x1A -#define HFA384X_OFFSET0_OFF 0x1C -#define HFA384X_OFFSET1_OFF 0x1E -#define HFA384X_RXFID_OFF 0x20 -#define HFA384X_ALLOCFID_OFF 0x22 -#define HFA384X_TXCOMPLFID_OFF 0x24 -#define HFA384X_SWSUPPORT0_OFF 0x28 -#define HFA384X_SWSUPPORT1_OFF 0x2A -#define HFA384X_SWSUPPORT2_OFF 0x2C -#define HFA384X_EVSTAT_OFF 0x30 -#define HFA384X_INTEN_OFF 0x32 -#define HFA384X_EVACK_OFF 0x34 -#define HFA384X_DATA0_OFF 0x36 -#define HFA384X_DATA1_OFF 0x38 -#define HFA384X_AUXPAGE_OFF 0x3A -#define HFA384X_AUXOFFSET_OFF 0x3C -#define HFA384X_AUXDATA_OFF 0x3E -#endif /* PRISM2_PCCARD || PRISM2_PLX */ - -#ifdef PRISM2_PCI -/* Memory addresses for ISL3874 controller access */ -#define HFA384X_CMD_OFF 0x00 -#define HFA384X_PARAM0_OFF 0x04 -#define HFA384X_PARAM1_OFF 0x08 -#define HFA384X_PARAM2_OFF 0x0C -#define HFA384X_STATUS_OFF 0x10 -#define HFA384X_RESP0_OFF 0x14 -#define HFA384X_RESP1_OFF 0x18 -#define HFA384X_RESP2_OFF 0x1C -#define HFA384X_INFOFID_OFF 0x20 -#define HFA384X_CONTROL_OFF 0x28 -#define HFA384X_SELECT0_OFF 0x30 -#define HFA384X_SELECT1_OFF 0x34 -#define HFA384X_OFFSET0_OFF 0x38 -#define HFA384X_OFFSET1_OFF 0x3C -#define HFA384X_RXFID_OFF 0x40 -#define HFA384X_ALLOCFID_OFF 0x44 -#define HFA384X_TXCOMPLFID_OFF 0x48 -#define HFA384X_PCICOR_OFF 0x4C -#define HFA384X_SWSUPPORT0_OFF 0x50 -#define HFA384X_SWSUPPORT1_OFF 0x54 -#define HFA384X_SWSUPPORT2_OFF 0x58 -#define HFA384X_PCIHCR_OFF 0x5C -#define HFA384X_EVSTAT_OFF 0x60 -#define HFA384X_INTEN_OFF 0x64 -#define HFA384X_EVACK_OFF 0x68 -#define HFA384X_DATA0_OFF 0x6C -#define HFA384X_DATA1_OFF 0x70 -#define HFA384X_AUXPAGE_OFF 0x74 -#define HFA384X_AUXOFFSET_OFF 0x78 -#define HFA384X_AUXDATA_OFF 0x7C -#define HFA384X_PCI_M0_ADDRH_OFF 0x80 -#define HFA384X_PCI_M0_ADDRL_OFF 0x84 -#define HFA384X_PCI_M0_LEN_OFF 0x88 -#define HFA384X_PCI_M0_CTL_OFF 0x8C -#define HFA384X_PCI_STATUS_OFF 0x98 -#define HFA384X_PCI_M1_ADDRH_OFF 0xA0 -#define HFA384X_PCI_M1_ADDRL_OFF 0xA4 -#define HFA384X_PCI_M1_LEN_OFF 0xA8 -#define HFA384X_PCI_M1_CTL_OFF 0xAC - -/* PCI bus master control bits (these are undocumented; based on guessing and - * experimenting..) */ -#define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0)) -#define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0)) - -#endif /* PRISM2_PCI */ - - -/* Command codes for CMD reg. */ -#define HFA384X_CMDCODE_INIT 0x00 -#define HFA384X_CMDCODE_ENABLE 0x01 -#define HFA384X_CMDCODE_DISABLE 0x02 -#define HFA384X_CMDCODE_ALLOC 0x0A -#define HFA384X_CMDCODE_TRANSMIT 0x0B -#define HFA384X_CMDCODE_INQUIRE 0x11 -#define HFA384X_CMDCODE_ACCESS 0x21 -#define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8)) -#define HFA384X_CMDCODE_DOWNLOAD 0x22 -#define HFA384X_CMDCODE_READMIF 0x30 -#define HFA384X_CMDCODE_WRITEMIF 0x31 -#define HFA384X_CMDCODE_TEST 0x38 - -#define HFA384X_CMDCODE_MASK 0x3F - -/* Test mode operations */ -#define HFA384X_TEST_CHANGE_CHANNEL 0x08 -#define HFA384X_TEST_MONITOR 0x0B -#define HFA384X_TEST_STOP 0x0F -#define HFA384X_TEST_CFG_BITS 0x15 -#define HFA384X_TEST_CFG_BIT_ALC BIT(3) - -#define HFA384X_CMD_BUSY BIT(15) - -#define HFA384X_CMD_TX_RECLAIM BIT(8) - -#define HFA384X_OFFSET_ERR BIT(14) -#define HFA384X_OFFSET_BUSY BIT(15) - - -/* ProgMode for download command */ -#define HFA384X_PROGMODE_DISABLE 0 -#define HFA384X_PROGMODE_ENABLE_VOLATILE 1 -#define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2 -#define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3 - -#define HFA384X_AUX_MAGIC0 0xfe01 -#define HFA384X_AUX_MAGIC1 0xdc23 -#define HFA384X_AUX_MAGIC2 0xba45 - -#define HFA384X_AUX_PORT_DISABLED 0 -#define HFA384X_AUX_PORT_DISABLE BIT(14) -#define HFA384X_AUX_PORT_ENABLE BIT(15) -#define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15)) -#define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15)) - -#define PRISM2_PDA_SIZE 1024 - - -/* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */ -#define HFA384X_EV_TICK BIT(15) -#define HFA384X_EV_WTERR BIT(14) -#define HFA384X_EV_INFDROP BIT(13) -#ifdef PRISM2_PCI -#define HFA384X_EV_PCI_M1 BIT(9) -#define HFA384X_EV_PCI_M0 BIT(8) -#endif /* PRISM2_PCI */ -#define HFA384X_EV_INFO BIT(7) -#define HFA384X_EV_DTIM BIT(5) -#define HFA384X_EV_CMD BIT(4) -#define HFA384X_EV_ALLOC BIT(3) -#define HFA384X_EV_TXEXC BIT(2) -#define HFA384X_EV_TX BIT(1) -#define HFA384X_EV_RX BIT(0) - - -/* HFA384X Information frames */ -#define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */ -#define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */ -#define HFA384X_INFO_COMMTALLIES 0xF100 -#define HFA384X_INFO_SCANRESULTS 0xF101 -#define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */ -#define HFA384X_INFO_HOSTSCANRESULTS 0xF103 -#define HFA384X_INFO_LINKSTATUS 0xF200 -#define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */ -#define HFA384X_INFO_AUTHREQ 0xF202 /* ? */ -#define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */ -#define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */ - -enum { HFA384X_LINKSTATUS_CONNECTED = 1, - HFA384X_LINKSTATUS_DISCONNECTED = 2, - HFA384X_LINKSTATUS_AP_CHANGE = 3, - HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4, - HFA384X_LINKSTATUS_AP_IN_RANGE = 5, - HFA384X_LINKSTATUS_ASSOC_FAILED = 6 }; - -enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2, - HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0, - HFA384X_PORTTYPE_HOSTAP = 6 }; - -#define HFA384X_RATES_1MBPS BIT(0) -#define HFA384X_RATES_2MBPS BIT(1) -#define HFA384X_RATES_5MBPS BIT(2) -#define HFA384X_RATES_11MBPS BIT(3) - -#define HFA384X_ROAMING_FIRMWARE 1 -#define HFA384X_ROAMING_HOST 2 -#define HFA384X_ROAMING_DISABLED 3 - -#define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0) -#define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1) -#define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4) -#define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7) - -#define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13)) -#define HFA384X_RX_STATUS_PCF BIT(12) -#define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8)) -#define HFA384X_RX_STATUS_UNDECR BIT(1) -#define HFA384X_RX_STATUS_FCSERR BIT(0) - -#define HFA384X_RX_STATUS_GET_MSGTYPE(s) \ -(((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13) -#define HFA384X_RX_STATUS_GET_MACPORT(s) \ -(((s) & HFA384X_RX_STATUS_MACPORT) >> 8) - -enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1, - HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 }; - - -#define HFA384X_TX_CTRL_ALT_RTRY BIT(5) -#define HFA384X_TX_CTRL_802_11 BIT(3) -#define HFA384X_TX_CTRL_802_3 0 -#define HFA384X_TX_CTRL_TX_EX BIT(2) -#define HFA384X_TX_CTRL_TX_OK BIT(1) - -#define HFA384X_TX_STATUS_RETRYERR BIT(0) -#define HFA384X_TX_STATUS_AGEDERR BIT(1) -#define HFA384X_TX_STATUS_DISCON BIT(2) -#define HFA384X_TX_STATUS_FORMERR BIT(3) - -/* HFA3861/3863 (BBP) Control Registers */ -#define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */ -#define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */ -#define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */ -#define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */ -#define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */ - - -#ifdef __KERNEL__ - -#define PRISM2_TXFID_COUNT 8 -#define PRISM2_DATA_MAXLEN 2304 -#define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame)) -#define PRISM2_TXFID_EMPTY 0xffff -#define PRISM2_TXFID_RESERVED 0xfffe -#define PRISM2_DUMMY_FID 0xffff -#define MAX_SSID_LEN 32 -#define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */ - -#define PRISM2_DUMP_RX_HDR BIT(0) -#define PRISM2_DUMP_TX_HDR BIT(1) -#define PRISM2_DUMP_TXEXC_HDR BIT(2) - -struct hostap_tx_callback_info { - u16 idx; - void (*func)(struct sk_buff *, int ok, void *); - void *data; - struct hostap_tx_callback_info *next; -}; - - -/* IEEE 802.11 requires that STA supports concurrent reception of at least - * three fragmented frames. This define can be increased to support more - * concurrent frames, but it should be noted that each entry can consume about - * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ -#define PRISM2_FRAG_CACHE_LEN 4 - -struct prism2_frag_entry { - unsigned long first_frag_time; - unsigned int seq; - unsigned int last_frag; - struct sk_buff *skb; - u8 src_addr[ETH_ALEN]; - u8 dst_addr[ETH_ALEN]; -}; - - -struct hostap_cmd_queue { - struct list_head list; - wait_queue_head_t compl; - volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type; - void (*callback)(struct net_device *dev, long context, u16 resp0, - u16 res); - long context; - u16 cmd, param0, param1; - u16 resp0, res; - volatile int issued, issuing; - - atomic_t usecnt; - int del_req; -}; - -/* options for hw_shutdown */ -#define HOSTAP_HW_NO_DISABLE BIT(0) -#define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1) - -typedef struct local_info local_info_t; - -struct prism2_helper_functions { - /* these functions are defined in hardware model specific files - * (hostap_{cs,plx,pci}.c */ - int (*card_present)(local_info_t *local); - void (*cor_sreset)(local_info_t *local); - void (*genesis_reset)(local_info_t *local, int hcr); - - /* the following functions are from hostap_hw.c, but they may have some - * hardware model specific code */ - - /* FIX: low-level commands like cmd might disappear at some point to - * make it easier to change them if needed (e.g., cmd would be replaced - * with write_mif/read_mif/testcmd/inquire); at least get_rid and - * set_rid might move to hostap_{cs,plx,pci}.c */ - int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1, - u16 *resp0); - void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs); - int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len, - int exact_len); - int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len); - int (*hw_enable)(struct net_device *dev, int initial); - int (*hw_config)(struct net_device *dev, int initial); - void (*hw_reset)(struct net_device *dev); - void (*hw_shutdown)(struct net_device *dev, int no_disable); - int (*reset_port)(struct net_device *dev); - void (*schedule_reset)(local_info_t *local); - int (*download)(local_info_t *local, - struct prism2_download_param *param); - int (*tx)(struct sk_buff *skb, struct net_device *dev); - int (*set_tim)(struct net_device *dev, int aid, int set); - const struct file_operations *read_aux_fops; - - int need_tx_headroom; /* number of bytes of headroom needed before - * IEEE 802.11 header */ - enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type; -}; - - -struct prism2_download_data { - u32 dl_cmd; - u32 start_addr; - u32 num_areas; - struct prism2_download_data_area { - u32 addr; /* wlan card address */ - u32 len; - u8 *data; /* allocated data */ - } data[0]; -}; - - -#define HOSTAP_MAX_BSS_COUNT 64 -#define MAX_WPA_IE_LEN 64 - -struct hostap_bss_info { - struct list_head list; - unsigned long last_update; - unsigned int count; - u8 bssid[ETH_ALEN]; - u16 capab_info; - u8 ssid[32]; - size_t ssid_len; - u8 wpa_ie[MAX_WPA_IE_LEN]; - size_t wpa_ie_len; - u8 rsn_ie[MAX_WPA_IE_LEN]; - size_t rsn_ie_len; - int chan; - int included; -}; - - -/* Per radio private Host AP data - shared by all net devices interfaces used - * by each radio (wlan#, wlan#ap, wlan#sta, WDS). - * ((struct hostap_interface *) netdev_priv(dev))->local points to this - * structure. */ -struct local_info { - struct module *hw_module; - int card_idx; - int dev_enabled; - int master_dev_auto_open; /* was master device opened automatically */ - int num_dev_open; /* number of open devices */ - struct net_device *dev; /* master radio device */ - struct net_device *ddev; /* main data device */ - struct list_head hostap_interfaces; /* Host AP interface list (contains - * struct hostap_interface entries) - */ - rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock - * when removing entries from the list. - * TX and RX paths can use read lock. */ - spinlock_t cmdlock, baplock, lock, irq_init_lock; - struct mutex rid_bap_mtx; - u16 infofid; /* MAC buffer id for info frame */ - /* txfid, intransmitfid, next_txtid, and next_alloc are protected by - * txfidlock */ - spinlock_t txfidlock; - int txfid_len; /* length of allocated TX buffers */ - u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */ - /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if - * corresponding txfid is free for next TX frame */ - u16 intransmitfid[PRISM2_TXFID_COUNT]; - int next_txfid; /* index to the next txfid to be checked for - * availability */ - int next_alloc; /* index to the next intransmitfid to be checked for - * allocation events */ - - /* bitfield for atomic bitops */ -#define HOSTAP_BITS_TRANSMIT 0 -#define HOSTAP_BITS_BAP_TASKLET 1 -#define HOSTAP_BITS_BAP_TASKLET2 2 - unsigned long bits; - - struct ap_data *ap; - - char essid[MAX_SSID_LEN + 1]; - char name[MAX_NAME_LEN + 1]; - int name_set; - u16 channel_mask; /* mask of allowed channels */ - u16 scan_channel_mask; /* mask of channels to be scanned */ - struct comm_tallies_sums comm_tallies; - struct proc_dir_entry *proc; - int iw_mode; /* operating mode (IW_MODE_*) */ - int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS - * 1: IW_MODE_ADHOC is "pseudo IBSS" */ - char bssid[ETH_ALEN]; - int channel; - int beacon_int; - int dtim_period; - int mtu; - int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */ - int fw_tx_rate_control; - u16 tx_rate_control; - u16 basic_rates; - int hw_resetting; - int hw_ready; - int hw_reset_tries; /* how many times reset has been tried */ - int hw_downloading; - int shutdown; - int pri_only; - int no_pri; /* no PRI f/w present */ - int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */ - - enum { - PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF, - PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN - } txpower_type; - int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */ - - /* command queue for hfa384x_cmd(); protected with cmdlock */ - struct list_head cmd_queue; - /* max_len for cmd_queue; in addition, cmd_callback can use two - * additional entries to prevent sleeping commands from stopping - * transmits */ -#define HOSTAP_CMD_QUEUE_MAX_LEN 16 - int cmd_queue_len; /* number of entries in cmd_queue */ - - /* if card timeout is detected in interrupt context, reset_queue is - * used to schedule card reseting to be done in user context */ - struct work_struct reset_queue; - - /* For scheduling a change of the promiscuous mode RID */ - int is_promisc; - struct work_struct set_multicast_list_queue; - - struct work_struct set_tim_queue; - struct list_head set_tim_list; - spinlock_t set_tim_lock; - - int wds_max_connections; - int wds_connections; -#define HOSTAP_WDS_BROADCAST_RA BIT(0) -#define HOSTAP_WDS_AP_CLIENT BIT(1) -#define HOSTAP_WDS_STANDARD_FRAME BIT(2) - u32 wds_type; - u16 tx_control; /* flags to be used in TX description */ - int manual_retry_count; /* -1 = use f/w default; otherwise retry count - * to be used with all frames */ - - struct iw_statistics wstats; - unsigned long scan_timestamp; /* Time started to scan */ - enum { - PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1, - PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3 - } monitor_type; - int monitor_allow_fcserr; - - int hostapd; /* whether user space daemon, hostapd, is used for AP - * management */ - int hostapd_sta; /* whether hostapd is used with an extra STA interface - */ - struct net_device *apdev; - struct net_device_stats apdevstats; - - char assoc_ap_addr[ETH_ALEN]; - struct net_device *stadev; - struct net_device_stats stadevstats; - -#define WEP_KEYS 4 -#define WEP_KEY_LEN 13 - struct lib80211_crypt_info crypt_info; - - int open_wep; /* allow unencrypted frames */ - int host_encrypt; - int host_decrypt; - int privacy_invoked; /* force privacy invoked flag even if no keys are - * configured */ - int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working - * in Host AP mode (STA f/w 1.4.9 or newer) */ - int bcrx_sta_key; /* use individual keys to override default keys even - * with RX of broad/multicast frames */ - - struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN]; - unsigned int frag_next_idx; - - int ieee_802_1x; /* is IEEE 802.1X used */ - - int antsel_tx, antsel_rx; - int rts_threshold; /* dot11RTSThreshold */ - int fragm_threshold; /* dot11FragmentationThreshold */ - int auth_algs; /* PRISM2_AUTH_ flags */ - - int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */ - int tallies32; /* 32-bit tallies in use */ - - struct prism2_helper_functions *func; - - u8 *pda; - int fw_ap; -#define PRISM2_FW_VER(major, minor, variant) \ -(((major) << 16) | ((minor) << 8) | variant) - u32 sta_fw_ver; - - /* Tasklets for handling hardware IRQ related operations outside hw IRQ - * handler */ - struct tasklet_struct bap_tasklet; - - struct tasklet_struct info_tasklet; - struct sk_buff_head info_list; /* info frames as skb's for - * info_tasklet */ - - struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks - */ - - struct tasklet_struct rx_tasklet; - struct sk_buff_head rx_list; - - struct tasklet_struct sta_tx_exc_tasklet; - struct sk_buff_head sta_tx_exc_list; - - int host_roaming; - unsigned long last_join_time; /* time of last JoinRequest */ - struct hfa384x_hostscan_result *last_scan_results; - int last_scan_results_count; - enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type; - struct work_struct info_queue; - unsigned long pending_info; /* bit field of pending info_queue items */ -#define PRISM2_INFO_PENDING_LINKSTATUS 0 -#define PRISM2_INFO_PENDING_SCANRESULTS 1 - int prev_link_status; /* previous received LinkStatus info */ - int prev_linkstatus_connected; - u8 preferred_ap[ETH_ALEN]; /* use this AP if possible */ - -#ifdef PRISM2_CALLBACK - void *callback_data; /* Can be used in callbacks; e.g., allocate - * on enable event and free on disable event. - * Host AP driver code does not touch this. */ -#endif /* PRISM2_CALLBACK */ - - wait_queue_head_t hostscan_wq; - - /* Passive scan in Host AP mode */ - struct timer_list passive_scan_timer; - int passive_scan_interval; /* in seconds, 0 = disabled */ - int passive_scan_channel; - enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state; - - struct timer_list tick_timer; - unsigned long last_tick_timer; - unsigned int sw_tick_stuck; - - /* commsQuality / dBmCommsQuality data from periodic polling; only - * valid for Managed and Ad-hoc modes */ - unsigned long last_comms_qual_update; - int comms_qual; /* in some odd unit.. */ - int avg_signal; /* in dB (note: negative) */ - int avg_noise; /* in dB (note: negative) */ - struct work_struct comms_qual_update; - - /* RSSI to dBm adjustment (for RX descriptor fields) */ - int rssi_to_dBm; /* subtract from RSSI to get approximate dBm value */ - - /* BSS list / protected by local->lock */ - struct list_head bss_list; - int num_bss_info; - int wpa; /* WPA support enabled */ - int tkip_countermeasures; - int drop_unencrypted; - /* Generic IEEE 802.11 info element to be added to - * ProbeResp/Beacon/(Re)AssocReq */ - u8 *generic_elem; - size_t generic_elem_len; - -#ifdef PRISM2_DOWNLOAD_SUPPORT - /* Persistent volatile download data */ - struct prism2_download_data *dl_pri; - struct prism2_download_data *dl_sec; -#endif /* PRISM2_DOWNLOAD_SUPPORT */ - -#ifdef PRISM2_IO_DEBUG -#define PRISM2_IO_DEBUG_SIZE 10000 - u32 io_debug[PRISM2_IO_DEBUG_SIZE]; - int io_debug_head; - int io_debug_enabled; -#endif /* PRISM2_IO_DEBUG */ - - /* Pointer to hardware model specific (cs,pci,plx) private data. */ - void *hw_priv; -}; - - -/* Per interface private Host AP data - * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta, - * WDS) and netdev_priv(dev) points to this structure. */ -struct hostap_interface { - struct list_head list; /* list entry in Host AP interface list */ - struct net_device *dev; /* pointer to this device */ - struct local_info *local; /* pointer to shared private data */ - struct net_device_stats stats; - struct iw_spy_data spy_data; /* iwspy support */ - struct iw_public_data wireless_data; - - enum { - HOSTAP_INTERFACE_MASTER, - HOSTAP_INTERFACE_MAIN, - HOSTAP_INTERFACE_AP, - HOSTAP_INTERFACE_STA, - HOSTAP_INTERFACE_WDS, - } type; - - union { - struct hostap_interface_wds { - u8 remote_addr[ETH_ALEN]; - } wds; - } u; -}; - - -#define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2 - -/* - * TX meta data - stored in skb->cb buffer, so this must not be increased over - * the 48-byte limit. - * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE - * TO SEE THE DAY. - */ -struct hostap_skb_tx_data { - unsigned int __padding_for_default_qdiscs; - u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */ - u8 rate; /* transmit rate */ -#define HOSTAP_TX_FLAGS_WDS BIT(0) -#define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1) -#define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2) - u8 flags; /* HOSTAP_TX_FLAGS_* */ - u16 tx_cb_idx; - struct hostap_interface *iface; - unsigned long jiffies; /* queueing timestamp */ - unsigned short ethertype; -}; - - -#ifndef PRISM2_NO_DEBUG - -#define DEBUG_FID BIT(0) -#define DEBUG_PS BIT(1) -#define DEBUG_FLOW BIT(2) -#define DEBUG_AP BIT(3) -#define DEBUG_HW BIT(4) -#define DEBUG_EXTRA BIT(5) -#define DEBUG_EXTRA2 BIT(6) -#define DEBUG_PS2 BIT(7) -#define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA) -#define PDEBUG(n, args...) \ -do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0) -#define PDEBUG2(n, args...) \ -do { if ((n) & DEBUG_MASK) printk(args); } while (0) - -#else /* PRISM2_NO_DEBUG */ - -#define PDEBUG(n, args...) -#define PDEBUG2(n, args...) - -#endif /* PRISM2_NO_DEBUG */ - -enum { BAP0 = 0, BAP1 = 1 }; - -#define PRISM2_IO_DEBUG_CMD_INB 0 -#define PRISM2_IO_DEBUG_CMD_INW 1 -#define PRISM2_IO_DEBUG_CMD_INSW 2 -#define PRISM2_IO_DEBUG_CMD_OUTB 3 -#define PRISM2_IO_DEBUG_CMD_OUTW 4 -#define PRISM2_IO_DEBUG_CMD_OUTSW 5 -#define PRISM2_IO_DEBUG_CMD_ERROR 6 -#define PRISM2_IO_DEBUG_CMD_INTERRUPT 7 - -#ifdef PRISM2_IO_DEBUG - -#define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \ -(((cmd) << 24) | ((reg) << 16) | value) - -static inline void prism2_io_debug_add(struct net_device *dev, int cmd, - int reg, int value) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - - if (!local->io_debug_enabled) - return; - - local->io_debug[local->io_debug_head] = jiffies & 0xffffffff; - if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE) - local->io_debug_head = 0; - local->io_debug[local->io_debug_head] = - PRISM2_IO_DEBUG_ENTRY(cmd, reg, value); - if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE) - local->io_debug_head = 0; -} - - -static inline void prism2_io_debug_error(struct net_device *dev, int err) -{ - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - unsigned long flags; - - if (!local->io_debug_enabled) - return; - - spin_lock_irqsave(&local->lock, flags); - prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err); - if (local->io_debug_enabled == 1) { - local->io_debug_enabled = 0; - printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name); - } - spin_unlock_irqrestore(&local->lock, flags); -} - -#else /* PRISM2_IO_DEBUG */ - -static inline void prism2_io_debug_add(struct net_device *dev, int cmd, - int reg, int value) -{ -} - -static inline void prism2_io_debug_error(struct net_device *dev, int err) -{ -} - -#endif /* PRISM2_IO_DEBUG */ - - -#ifdef PRISM2_CALLBACK -enum { - /* Called when card is enabled */ - PRISM2_CALLBACK_ENABLE, - - /* Called when card is disabled */ - PRISM2_CALLBACK_DISABLE, - - /* Called when RX/TX starts/ends */ - PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END, - PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END -}; -void prism2_callback(local_info_t *local, int event); -#else /* PRISM2_CALLBACK */ -#define prism2_callback(d, e) do { } while (0) -#endif /* PRISM2_CALLBACK */ - -#endif /* __KERNEL__ */ - -#endif /* HOSTAP_WLAN_H */ diff --git a/drivers/net/wireless/intersil/Kconfig b/drivers/net/wireless/intersil/Kconfig new file mode 100644 index 000000000000..ec80b9117fd2 --- /dev/null +++ b/drivers/net/wireless/intersil/Kconfig @@ -0,0 +1,16 @@ +config WLAN_VENDOR_INTERSIL + bool "Intersil devices" + default y + ---help--- + If you have a wireless card belonging to this class, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about cards. If you say Y, you will be asked for + your specific card in the following questions. + +if WLAN_VENDOR_INTERSIL + +source "drivers/net/wireless/intersil/hostap/Kconfig" + +endif # WLAN_VENDOR_INTERSIL diff --git a/drivers/net/wireless/intersil/Makefile b/drivers/net/wireless/intersil/Makefile new file mode 100644 index 000000000000..4890ef79f280 --- /dev/null +++ b/drivers/net/wireless/intersil/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_HOSTAP) += hostap/ diff --git a/drivers/net/wireless/intersil/hostap/Kconfig b/drivers/net/wireless/intersil/hostap/Kconfig new file mode 100644 index 000000000000..287d82728bc3 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/Kconfig @@ -0,0 +1,98 @@ +config HOSTAP + tristate "IEEE 802.11 for Host AP (Prism2/2.5/3 and WEP/TKIP/CCMP)" + select WIRELESS_EXT + select WEXT_SPY + select WEXT_PRIV + select CRYPTO + select CRYPTO_ARC4 + select CRYPTO_ECB + select CRYPTO_AES + select CRYPTO_MICHAEL_MIC + select CRYPTO_ECB + select CRC32 + select LIB80211 + select LIB80211_CRYPT_WEP + select LIB80211_CRYPT_TKIP + select LIB80211_CRYPT_CCMP + ---help--- + Shared driver code for IEEE 802.11b wireless cards based on + Intersil Prism2/2.5/3 chipset. This driver supports so called + Host AP mode that allows the card to act as an IEEE 802.11 + access point. + + See for more information about the + Host AP driver configuration and tools. This site includes + information and tools (hostapd and wpa_supplicant) for WPA/WPA2 + support. + + This option includes the base Host AP driver code that is shared by + different hardware models. You will also need to enable support for + PLX/PCI/CS version of the driver to actually use the driver. + + The driver can be compiled as a module and it will be called + hostap. + +config HOSTAP_FIRMWARE + bool "Support downloading firmware images with Host AP driver" + depends on HOSTAP + ---help--- + Configure Host AP driver to include support for firmware image + download. This option by itself only enables downloading to the + volatile memory, i.e. the card RAM. This option is required to + support cards that don't have firmware in flash, such as D-Link + DWL-520 rev E and D-Link DWL-650 rev P. + + Firmware image downloading needs a user space tool, prism2_srec. + It is available from http://hostap.epitest.fi/. + +config HOSTAP_FIRMWARE_NVRAM + bool "Support for non-volatile firmware download" + depends on HOSTAP_FIRMWARE + ---help--- + Allow Host AP driver to write firmware images to the non-volatile + card memory, i.e. flash memory that survives power cycling. + Enable this option if you want to be able to change card firmware + permanently. + + Firmware image downloading needs a user space tool, prism2_srec. + It is available from http://hostap.epitest.fi/. + +config HOSTAP_PLX + tristate "Host AP driver for Prism2/2.5/3 in PLX9052 PCI adaptors" + depends on PCI && HOSTAP + ---help--- + Host AP driver's version for Prism2/2.5/3 PC Cards in PLX9052 based + PCI adaptors. + + "Host AP support for Prism2/2.5/3 IEEE 802.11b" is required for this + driver and its help text includes more information about the Host AP + driver. + + The driver can be compiled as a module and will be named + hostap_plx. + +config HOSTAP_PCI + tristate "Host AP driver for Prism2.5 PCI adaptors" + depends on PCI && HOSTAP + ---help--- + Host AP driver's version for Prism2.5 PCI adaptors. + + "Host AP support for Prism2/2.5/3 IEEE 802.11b" is required for this + driver and its help text includes more information about the Host AP + driver. + + The driver can be compiled as a module and will be named + hostap_pci. + +config HOSTAP_CS + tristate "Host AP driver for Prism2/2.5/3 PC Cards" + depends on PCMCIA && HOSTAP + ---help--- + Host AP driver's version for Prism2/2.5/3 PC Cards. + + "Host AP support for Prism2/2.5/3 IEEE 802.11b" is required for this + driver and its help text includes more information about the Host AP + driver. + + The driver can be compiled as a module and will be named + hostap_cs. diff --git a/drivers/net/wireless/intersil/hostap/Makefile b/drivers/net/wireless/intersil/hostap/Makefile new file mode 100644 index 000000000000..b8e41a702c00 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/Makefile @@ -0,0 +1,7 @@ +hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \ + hostap_ioctl.o hostap_main.o hostap_proc.o +obj-$(CONFIG_HOSTAP) += hostap.o + +obj-$(CONFIG_HOSTAP_CS) += hostap_cs.o +obj-$(CONFIG_HOSTAP_PLX) += hostap_plx.o +obj-$(CONFIG_HOSTAP_PCI) += hostap_pci.o diff --git a/drivers/net/wireless/intersil/hostap/hostap.h b/drivers/net/wireless/intersil/hostap/hostap.h new file mode 100644 index 000000000000..ce8721fbc10e --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap.h @@ -0,0 +1,95 @@ +#ifndef HOSTAP_H +#define HOSTAP_H + +#include +#include + +#include "hostap_wlan.h" +#include "hostap_ap.h" + +static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, + 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; +#define FREQ_COUNT ARRAY_SIZE(freq_list) + +/* hostap.c */ + +extern struct proc_dir_entry *hostap_proc; + +u16 hostap_tx_callback_register(local_info_t *local, + void (*func)(struct sk_buff *, int ok, void *), + void *data); +int hostap_tx_callback_unregister(local_info_t *local, u16 idx); +int hostap_set_word(struct net_device *dev, int rid, u16 val); +int hostap_set_string(struct net_device *dev, int rid, const char *val); +u16 hostap_get_porttype(local_info_t *local); +int hostap_set_encryption(local_info_t *local); +int hostap_set_antsel(local_info_t *local); +int hostap_set_roaming(local_info_t *local); +int hostap_set_auth_algs(local_info_t *local); +void hostap_dump_rx_header(const char *name, + const struct hfa384x_rx_frame *rx); +void hostap_dump_tx_header(const char *name, + const struct hfa384x_tx_frame *tx); +extern const struct header_ops hostap_80211_ops; +int hostap_80211_get_hdrlen(__le16 fc); +struct net_device_stats *hostap_get_stats(struct net_device *dev); +void hostap_setup_dev(struct net_device *dev, local_info_t *local, + int type); +void hostap_set_multicast_list_queue(struct work_struct *work); +int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked); +int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked); +void hostap_cleanup(local_info_t *local); +void hostap_cleanup_handler(void *data); +struct net_device * hostap_add_interface(struct local_info *local, + int type, int rtnl_locked, + const char *prefix, const char *name); +void hostap_remove_interface(struct net_device *dev, int rtnl_locked, + int remove_from_list); +int prism2_update_comms_qual(struct net_device *dev); +int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, + u8 *body, size_t bodylen); +int prism2_sta_deauth(local_info_t *local, u16 reason); +int prism2_wds_add(local_info_t *local, u8 *remote_addr, + int rtnl_locked); +int prism2_wds_del(local_info_t *local, u8 *remote_addr, + int rtnl_locked, int do_not_remove); + + +/* hostap_ap.c */ + +int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac); +int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac); +void ap_control_flush_macs(struct mac_restrictions *mac_restrictions); +int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac); +void ap_control_kickall(struct ap_data *ap); +void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, + struct lib80211_crypt_data ***crypt); +int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], + struct iw_quality qual[], int buf_size, + int aplist); +int prism2_ap_translate_scan(struct net_device *dev, + struct iw_request_info *info, char *buffer); +int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param); + + +/* hostap_proc.c */ + +void hostap_init_proc(local_info_t *local); +void hostap_remove_proc(local_info_t *local); + + +/* hostap_info.c */ + +void hostap_info_init(local_info_t *local); +void hostap_info_process(local_info_t *local, struct sk_buff *skb); + + +/* hostap_ioctl.c */ + +extern const struct iw_handler_def hostap_iw_handler_def; +extern const struct ethtool_ops prism2_ethtool_ops; + +int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); + + +#endif /* HOSTAP_H */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211.h b/drivers/net/wireless/intersil/hostap/hostap_80211.h new file mode 100644 index 000000000000..ed98ce7c8f65 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_80211.h @@ -0,0 +1,96 @@ +#ifndef HOSTAP_80211_H +#define HOSTAP_80211_H + +#include +#include +#include + +struct hostap_ieee80211_mgmt { + __le16 frame_control; + __le16 duration; + u8 da[6]; + u8 sa[6]; + u8 bssid[6]; + __le16 seq_ctrl; + union { + struct { + __le16 auth_alg; + __le16 auth_transaction; + __le16 status_code; + /* possibly followed by Challenge text */ + u8 variable[0]; + } __packed auth; + struct { + __le16 reason_code; + } __packed deauth; + struct { + __le16 capab_info; + __le16 listen_interval; + /* followed by SSID and Supported rates */ + u8 variable[0]; + } __packed assoc_req; + struct { + __le16 capab_info; + __le16 status_code; + __le16 aid; + /* followed by Supported rates */ + u8 variable[0]; + } __packed assoc_resp, reassoc_resp; + struct { + __le16 capab_info; + __le16 listen_interval; + u8 current_ap[6]; + /* followed by SSID and Supported rates */ + u8 variable[0]; + } __packed reassoc_req; + struct { + __le16 reason_code; + } __packed disassoc; + struct { + } __packed probe_req; + struct { + u8 timestamp[8]; + __le16 beacon_int; + __le16 capab_info; + /* followed by some of SSID, Supported rates, + * FH Params, DS Params, CF Params, IBSS Params, TIM */ + u8 variable[0]; + } __packed beacon, probe_resp; + } u; +} __packed; + + +#define IEEE80211_MGMT_HDR_LEN 24 +#define IEEE80211_DATA_HDR3_LEN 24 +#define IEEE80211_DATA_HDR4_LEN 30 + + +struct hostap_80211_rx_status { + u32 mac_time; + u8 signal; + u8 noise; + u16 rate; /* in 100 kbps */ +}; + +/* prism2_rx_80211 'type' argument */ +enum { + PRISM2_RX_MONITOR, PRISM2_RX_MGMT, PRISM2_RX_NON_ASSOC, + PRISM2_RX_NULLFUNC_ACK +}; + +int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats, int type); +void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats); +void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats); + +void hostap_dump_tx_80211(const char *name, struct sk_buff *skb); +netdev_tx_t hostap_data_start_xmit(struct sk_buff *skb, + struct net_device *dev); +netdev_tx_t hostap_mgmt_start_xmit(struct sk_buff *skb, + struct net_device *dev); +netdev_tx_t hostap_master_start_xmit(struct sk_buff *skb, + struct net_device *dev); + +#endif /* HOSTAP_80211_H */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c b/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c new file mode 100644 index 000000000000..599f30f22841 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c @@ -0,0 +1,1117 @@ +#include +#include +#include +#include +#include + +#include "hostap_80211.h" +#include "hostap.h" +#include "hostap_ap.h" + +/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ +/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ +static unsigned char rfc1042_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; +/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ +static unsigned char bridge_tunnel_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; +/* No encapsulation header if EtherType < 0x600 (=length) */ + +void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct ieee80211_hdr *hdr; + u16 fc; + + hdr = (struct ieee80211_hdr *) skb->data; + + printk(KERN_DEBUG "%s: RX signal=%d noise=%d rate=%d len=%d " + "jiffies=%ld\n", + name, rx_stats->signal, rx_stats->noise, rx_stats->rate, + skb->len, jiffies); + + if (skb->len < 2) + return; + + fc = le16_to_cpu(hdr->frame_control); + printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s", + fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, + (fc & IEEE80211_FCTL_STYPE) >> 4, + fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", + fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); + + if (skb->len < IEEE80211_DATA_HDR3_LEN) { + printk("\n"); + return; + } + + printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id), + le16_to_cpu(hdr->seq_ctrl)); + + printk(KERN_DEBUG " A1=%pM", hdr->addr1); + printk(" A2=%pM", hdr->addr2); + printk(" A3=%pM", hdr->addr3); + if (skb->len >= 30) + printk(" A4=%pM", hdr->addr4); + printk("\n"); +} + + +/* Send RX frame to netif with 802.11 (and possible prism) header. + * Called from hardware or software IRQ context. */ +int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats, int type) +{ + struct hostap_interface *iface; + local_info_t *local; + int hdrlen, phdrlen, head_need, tail_need; + u16 fc; + int prism_header, ret; + struct ieee80211_hdr *fhdr; + + iface = netdev_priv(dev); + local = iface->local; + + if (dev->type == ARPHRD_IEEE80211_PRISM) { + if (local->monitor_type == PRISM2_MONITOR_PRISM) { + prism_header = 1; + phdrlen = sizeof(struct linux_wlan_ng_prism_hdr); + } else { /* local->monitor_type == PRISM2_MONITOR_CAPHDR */ + prism_header = 2; + phdrlen = sizeof(struct linux_wlan_ng_cap_hdr); + } + } else if (dev->type == ARPHRD_IEEE80211_RADIOTAP) { + prism_header = 3; + phdrlen = sizeof(struct hostap_radiotap_rx); + } else { + prism_header = 0; + phdrlen = 0; + } + + fhdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(fhdr->frame_control); + + if (type == PRISM2_RX_MGMT && (fc & IEEE80211_FCTL_VERS)) { + printk(KERN_DEBUG "%s: dropped management frame with header " + "version %d\n", dev->name, fc & IEEE80211_FCTL_VERS); + dev_kfree_skb_any(skb); + return 0; + } + + hdrlen = hostap_80211_get_hdrlen(fhdr->frame_control); + + /* check if there is enough room for extra data; if not, expand skb + * buffer to be large enough for the changes */ + head_need = phdrlen; + tail_need = 0; +#ifdef PRISM2_ADD_BOGUS_CRC + tail_need += 4; +#endif /* PRISM2_ADD_BOGUS_CRC */ + + head_need -= skb_headroom(skb); + tail_need -= skb_tailroom(skb); + + if (head_need > 0 || tail_need > 0) { + if (pskb_expand_head(skb, head_need > 0 ? head_need : 0, + tail_need > 0 ? tail_need : 0, + GFP_ATOMIC)) { + printk(KERN_DEBUG "%s: prism2_rx_80211 failed to " + "reallocate skb buffer\n", dev->name); + dev_kfree_skb_any(skb); + return 0; + } + } + + /* We now have an skb with enough head and tail room, so just insert + * the extra data */ + +#ifdef PRISM2_ADD_BOGUS_CRC + memset(skb_put(skb, 4), 0xff, 4); /* Prism2 strips CRC */ +#endif /* PRISM2_ADD_BOGUS_CRC */ + + if (prism_header == 1) { + struct linux_wlan_ng_prism_hdr *hdr; + hdr = (struct linux_wlan_ng_prism_hdr *) + skb_push(skb, phdrlen); + memset(hdr, 0, phdrlen); + hdr->msgcode = LWNG_CAP_DID_BASE; + hdr->msglen = sizeof(*hdr); + memcpy(hdr->devname, dev->name, sizeof(hdr->devname)); +#define LWNG_SETVAL(f,i,s,l,d) \ +hdr->f.did = LWNG_CAP_DID_BASE | (i << 12); \ +hdr->f.status = s; hdr->f.len = l; hdr->f.data = d + LWNG_SETVAL(hosttime, 1, 0, 4, jiffies); + LWNG_SETVAL(mactime, 2, 0, 4, rx_stats->mac_time); + LWNG_SETVAL(channel, 3, 1 /* no value */, 4, 0); + LWNG_SETVAL(rssi, 4, 1 /* no value */, 4, 0); + LWNG_SETVAL(sq, 5, 1 /* no value */, 4, 0); + LWNG_SETVAL(signal, 6, 0, 4, rx_stats->signal); + LWNG_SETVAL(noise, 7, 0, 4, rx_stats->noise); + LWNG_SETVAL(rate, 8, 0, 4, rx_stats->rate / 5); + LWNG_SETVAL(istx, 9, 0, 4, 0); + LWNG_SETVAL(frmlen, 10, 0, 4, skb->len - phdrlen); +#undef LWNG_SETVAL + } else if (prism_header == 2) { + struct linux_wlan_ng_cap_hdr *hdr; + hdr = (struct linux_wlan_ng_cap_hdr *) + skb_push(skb, phdrlen); + memset(hdr, 0, phdrlen); + hdr->version = htonl(LWNG_CAPHDR_VERSION); + hdr->length = htonl(phdrlen); + hdr->mactime = __cpu_to_be64(rx_stats->mac_time); + hdr->hosttime = __cpu_to_be64(jiffies); + hdr->phytype = htonl(4); /* dss_dot11_b */ + hdr->channel = htonl(local->channel); + hdr->datarate = htonl(rx_stats->rate); + hdr->antenna = htonl(0); /* unknown */ + hdr->priority = htonl(0); /* unknown */ + hdr->ssi_type = htonl(3); /* raw */ + hdr->ssi_signal = htonl(rx_stats->signal); + hdr->ssi_noise = htonl(rx_stats->noise); + hdr->preamble = htonl(0); /* unknown */ + hdr->encoding = htonl(1); /* cck */ + } else if (prism_header == 3) { + struct hostap_radiotap_rx *hdr; + hdr = (struct hostap_radiotap_rx *)skb_push(skb, phdrlen); + memset(hdr, 0, phdrlen); + hdr->hdr.it_len = cpu_to_le16(phdrlen); + hdr->hdr.it_present = + cpu_to_le32((1 << IEEE80211_RADIOTAP_TSFT) | + (1 << IEEE80211_RADIOTAP_CHANNEL) | + (1 << IEEE80211_RADIOTAP_RATE) | + (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | + (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)); + hdr->tsft = cpu_to_le64(rx_stats->mac_time); + hdr->chan_freq = cpu_to_le16(freq_list[local->channel - 1]); + hdr->chan_flags = cpu_to_le16(IEEE80211_CHAN_CCK | + IEEE80211_CHAN_2GHZ); + hdr->rate = rx_stats->rate / 5; + hdr->dbm_antsignal = rx_stats->signal; + hdr->dbm_antnoise = rx_stats->noise; + } + + ret = skb->len - phdrlen; + skb->dev = dev; + skb_reset_mac_header(skb); + skb_pull(skb, hdrlen); + if (prism_header) + skb_pull(skb, phdrlen); + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = cpu_to_be16(ETH_P_802_2); + memset(skb->cb, 0, sizeof(skb->cb)); + netif_rx(skb); + + return ret; +} + + +/* Called only as a tasklet (software IRQ) */ +static void monitor_rx(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + int len; + + len = prism2_rx_80211(dev, skb, rx_stats, PRISM2_RX_MONITOR); + dev->stats.rx_packets++; + dev->stats.rx_bytes += len; +} + + +/* Called only as a tasklet (software IRQ) */ +static struct prism2_frag_entry * +prism2_frag_cache_find(local_info_t *local, unsigned int seq, + unsigned int frag, u8 *src, u8 *dst) +{ + struct prism2_frag_entry *entry; + int i; + + for (i = 0; i < PRISM2_FRAG_CACHE_LEN; i++) { + entry = &local->frag_cache[i]; + if (entry->skb != NULL && + time_after(jiffies, entry->first_frag_time + 2 * HZ)) { + printk(KERN_DEBUG "%s: expiring fragment cache entry " + "seq=%u last_frag=%u\n", + local->dev->name, entry->seq, entry->last_frag); + dev_kfree_skb(entry->skb); + entry->skb = NULL; + } + + if (entry->skb != NULL && entry->seq == seq && + (entry->last_frag + 1 == frag || frag == -1) && + memcmp(entry->src_addr, src, ETH_ALEN) == 0 && + memcmp(entry->dst_addr, dst, ETH_ALEN) == 0) + return entry; + } + + return NULL; +} + + +/* Called only as a tasklet (software IRQ) */ +static struct sk_buff * +prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr) +{ + struct sk_buff *skb = NULL; + u16 sc; + unsigned int frag, seq; + struct prism2_frag_entry *entry; + + sc = le16_to_cpu(hdr->seq_ctrl); + frag = sc & IEEE80211_SCTL_FRAG; + seq = (sc & IEEE80211_SCTL_SEQ) >> 4; + + if (frag == 0) { + /* Reserve enough space to fit maximum frame length */ + skb = dev_alloc_skb(local->dev->mtu + + sizeof(struct ieee80211_hdr) + + 8 /* LLC */ + + 2 /* alignment */ + + 8 /* WEP */ + ETH_ALEN /* WDS */); + if (skb == NULL) + return NULL; + + entry = &local->frag_cache[local->frag_next_idx]; + local->frag_next_idx++; + if (local->frag_next_idx >= PRISM2_FRAG_CACHE_LEN) + local->frag_next_idx = 0; + + if (entry->skb != NULL) + dev_kfree_skb(entry->skb); + + entry->first_frag_time = jiffies; + entry->seq = seq; + entry->last_frag = frag; + entry->skb = skb; + memcpy(entry->src_addr, hdr->addr2, ETH_ALEN); + memcpy(entry->dst_addr, hdr->addr1, ETH_ALEN); + } else { + /* received a fragment of a frame for which the head fragment + * should have already been received */ + entry = prism2_frag_cache_find(local, seq, frag, hdr->addr2, + hdr->addr1); + if (entry != NULL) { + entry->last_frag = frag; + skb = entry->skb; + } + } + + return skb; +} + + +/* Called only as a tasklet (software IRQ) */ +static int prism2_frag_cache_invalidate(local_info_t *local, + struct ieee80211_hdr *hdr) +{ + u16 sc; + unsigned int seq; + struct prism2_frag_entry *entry; + + sc = le16_to_cpu(hdr->seq_ctrl); + seq = (sc & IEEE80211_SCTL_SEQ) >> 4; + + entry = prism2_frag_cache_find(local, seq, -1, hdr->addr2, hdr->addr1); + + if (entry == NULL) { + printk(KERN_DEBUG "%s: could not invalidate fragment cache " + "entry (seq=%u)\n", + local->dev->name, seq); + return -1; + } + + entry->skb = NULL; + return 0; +} + + +static struct hostap_bss_info *__hostap_get_bss(local_info_t *local, u8 *bssid, + u8 *ssid, size_t ssid_len) +{ + struct list_head *ptr; + struct hostap_bss_info *bss; + + list_for_each(ptr, &local->bss_list) { + bss = list_entry(ptr, struct hostap_bss_info, list); + if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0 && + (ssid == NULL || + (ssid_len == bss->ssid_len && + memcmp(ssid, bss->ssid, ssid_len) == 0))) { + list_move(&bss->list, &local->bss_list); + return bss; + } + } + + return NULL; +} + + +static struct hostap_bss_info *__hostap_add_bss(local_info_t *local, u8 *bssid, + u8 *ssid, size_t ssid_len) +{ + struct hostap_bss_info *bss; + + if (local->num_bss_info >= HOSTAP_MAX_BSS_COUNT) { + bss = list_entry(local->bss_list.prev, + struct hostap_bss_info, list); + list_del(&bss->list); + local->num_bss_info--; + } else { + bss = kmalloc(sizeof(*bss), GFP_ATOMIC); + if (bss == NULL) + return NULL; + } + + memset(bss, 0, sizeof(*bss)); + memcpy(bss->bssid, bssid, ETH_ALEN); + memcpy(bss->ssid, ssid, ssid_len); + bss->ssid_len = ssid_len; + local->num_bss_info++; + list_add(&bss->list, &local->bss_list); + return bss; +} + + +static void __hostap_expire_bss(local_info_t *local) +{ + struct hostap_bss_info *bss; + + while (local->num_bss_info > 0) { + bss = list_entry(local->bss_list.prev, + struct hostap_bss_info, list); + if (!time_after(jiffies, bss->last_update + 60 * HZ)) + break; + + list_del(&bss->list); + local->num_bss_info--; + kfree(bss); + } +} + + +/* Both IEEE 802.11 Beacon and Probe Response frames have similar structure, so + * the same routine can be used to parse both of them. */ +static void hostap_rx_sta_beacon(local_info_t *local, struct sk_buff *skb, + int stype) +{ + struct hostap_ieee80211_mgmt *mgmt; + int left, chan = 0; + u8 *pos; + u8 *ssid = NULL, *wpa = NULL, *rsn = NULL; + size_t ssid_len = 0, wpa_len = 0, rsn_len = 0; + struct hostap_bss_info *bss; + + if (skb->len < IEEE80211_MGMT_HDR_LEN + sizeof(mgmt->u.beacon)) + return; + + mgmt = (struct hostap_ieee80211_mgmt *) skb->data; + pos = mgmt->u.beacon.variable; + left = skb->len - (pos - skb->data); + + while (left >= 2) { + if (2 + pos[1] > left) + return; /* parse failed */ + switch (*pos) { + case WLAN_EID_SSID: + ssid = pos + 2; + ssid_len = pos[1]; + break; + case WLAN_EID_VENDOR_SPECIFIC: + if (pos[1] >= 4 && + pos[2] == 0x00 && pos[3] == 0x50 && + pos[4] == 0xf2 && pos[5] == 1) { + wpa = pos; + wpa_len = pos[1] + 2; + } + break; + case WLAN_EID_RSN: + rsn = pos; + rsn_len = pos[1] + 2; + break; + case WLAN_EID_DS_PARAMS: + if (pos[1] >= 1) + chan = pos[2]; + break; + } + left -= 2 + pos[1]; + pos += 2 + pos[1]; + } + + if (wpa_len > MAX_WPA_IE_LEN) + wpa_len = MAX_WPA_IE_LEN; + if (rsn_len > MAX_WPA_IE_LEN) + rsn_len = MAX_WPA_IE_LEN; + if (ssid_len > sizeof(bss->ssid)) + ssid_len = sizeof(bss->ssid); + + spin_lock(&local->lock); + bss = __hostap_get_bss(local, mgmt->bssid, ssid, ssid_len); + if (bss == NULL) + bss = __hostap_add_bss(local, mgmt->bssid, ssid, ssid_len); + if (bss) { + bss->last_update = jiffies; + bss->count++; + bss->capab_info = le16_to_cpu(mgmt->u.beacon.capab_info); + if (wpa) { + memcpy(bss->wpa_ie, wpa, wpa_len); + bss->wpa_ie_len = wpa_len; + } else + bss->wpa_ie_len = 0; + if (rsn) { + memcpy(bss->rsn_ie, rsn, rsn_len); + bss->rsn_ie_len = rsn_len; + } else + bss->rsn_ie_len = 0; + bss->chan = chan; + } + __hostap_expire_bss(local); + spin_unlock(&local->lock); +} + + +static int +hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats, u16 type, + u16 stype) +{ + if (local->iw_mode == IW_MODE_MASTER) + hostap_update_sta_ps(local, (struct ieee80211_hdr *) skb->data); + + if (local->hostapd && type == IEEE80211_FTYPE_MGMT) { + if (stype == IEEE80211_STYPE_BEACON && + local->iw_mode == IW_MODE_MASTER) { + struct sk_buff *skb2; + /* Process beacon frames also in kernel driver to + * update STA(AP) table statistics */ + skb2 = skb_clone(skb, GFP_ATOMIC); + if (skb2) + hostap_rx(skb2->dev, skb2, rx_stats); + } + + /* send management frames to the user space daemon for + * processing */ + local->apdevstats.rx_packets++; + local->apdevstats.rx_bytes += skb->len; + if (local->apdev == NULL) + return -1; + prism2_rx_80211(local->apdev, skb, rx_stats, PRISM2_RX_MGMT); + return 0; + } + + if (local->iw_mode == IW_MODE_MASTER) { + if (type != IEEE80211_FTYPE_MGMT && + type != IEEE80211_FTYPE_CTL) { + printk(KERN_DEBUG "%s: unknown management frame " + "(type=0x%02x, stype=0x%02x) dropped\n", + skb->dev->name, type >> 2, stype >> 4); + return -1; + } + + hostap_rx(skb->dev, skb, rx_stats); + return 0; + } else if (type == IEEE80211_FTYPE_MGMT && + (stype == IEEE80211_STYPE_BEACON || + stype == IEEE80211_STYPE_PROBE_RESP)) { + hostap_rx_sta_beacon(local, skb, stype); + return -1; + } else if (type == IEEE80211_FTYPE_MGMT && + (stype == IEEE80211_STYPE_ASSOC_RESP || + stype == IEEE80211_STYPE_REASSOC_RESP)) { + /* Ignore (Re)AssocResp silently since these are not currently + * needed but are still received when WPA/RSN mode is enabled. + */ + return -1; + } else { + printk(KERN_DEBUG "%s: hostap_rx_frame_mgmt: dropped unhandled" + " management frame in non-Host AP mode (type=%d:%d)\n", + skb->dev->name, type >> 2, stype >> 4); + return -1; + } +} + + +/* Called only as a tasklet (software IRQ) */ +static struct net_device *prism2_rx_get_wds(local_info_t *local, + u8 *addr) +{ + struct hostap_interface *iface = NULL; + struct list_head *ptr; + + read_lock_bh(&local->iface_lock); + list_for_each(ptr, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + if (iface->type == HOSTAP_INTERFACE_WDS && + memcmp(iface->u.wds.remote_addr, addr, ETH_ALEN) == 0) + break; + iface = NULL; + } + read_unlock_bh(&local->iface_lock); + + return iface ? iface->dev : NULL; +} + + +static int +hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr *hdr, u16 fc, + struct net_device **wds) +{ + /* FIX: is this really supposed to accept WDS frames only in Master + * mode? What about Repeater or Managed with WDS frames? */ + if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) != + (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS) && + (local->iw_mode != IW_MODE_MASTER || !(fc & IEEE80211_FCTL_TODS))) + return 0; /* not a WDS frame */ + + /* Possible WDS frame: either IEEE 802.11 compliant (if FromDS) + * or own non-standard frame with 4th address after payload */ + if (!ether_addr_equal(hdr->addr1, local->dev->dev_addr) && + (hdr->addr1[0] != 0xff || hdr->addr1[1] != 0xff || + hdr->addr1[2] != 0xff || hdr->addr1[3] != 0xff || + hdr->addr1[4] != 0xff || hdr->addr1[5] != 0xff)) { + /* RA (or BSSID) is not ours - drop */ + PDEBUG(DEBUG_EXTRA2, "%s: received WDS frame with " + "not own or broadcast %s=%pM\n", + local->dev->name, + fc & IEEE80211_FCTL_FROMDS ? "RA" : "BSSID", + hdr->addr1); + return -1; + } + + /* check if the frame came from a registered WDS connection */ + *wds = prism2_rx_get_wds(local, hdr->addr2); + if (*wds == NULL && fc & IEEE80211_FCTL_FROMDS && + (local->iw_mode != IW_MODE_INFRA || + !(local->wds_type & HOSTAP_WDS_AP_CLIENT) || + memcmp(hdr->addr2, local->bssid, ETH_ALEN) != 0)) { + /* require that WDS link has been registered with TA or the + * frame is from current AP when using 'AP client mode' */ + PDEBUG(DEBUG_EXTRA, "%s: received WDS[4 addr] frame " + "from unknown TA=%pM\n", + local->dev->name, hdr->addr2); + if (local->ap && local->ap->autom_ap_wds) + hostap_wds_link_oper(local, hdr->addr2, WDS_ADD); + return -1; + } + + if (*wds && !(fc & IEEE80211_FCTL_FROMDS) && local->ap && + hostap_is_sta_assoc(local->ap, hdr->addr2)) { + /* STA is actually associated with us even though it has a + * registered WDS link. Assume it is in 'AP client' mode. + * Since this is a 3-addr frame, assume it is not (bogus) WDS + * frame and process it like any normal ToDS frame from + * associated STA. */ + *wds = NULL; + } + + return 0; +} + + +static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb) +{ + struct net_device *dev = local->dev; + u16 fc, ethertype; + struct ieee80211_hdr *hdr; + u8 *pos; + + if (skb->len < 24) + return 0; + + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); + + /* check that the frame is unicast frame to us */ + if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_TODS && + ether_addr_equal(hdr->addr1, dev->dev_addr) && + ether_addr_equal(hdr->addr3, dev->dev_addr)) { + /* ToDS frame with own addr BSSID and DA */ + } else if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_FROMDS && + ether_addr_equal(hdr->addr1, dev->dev_addr)) { + /* FromDS frame with own addr as DA */ + } else + return 0; + + if (skb->len < 24 + 8) + return 0; + + /* check for port access entity Ethernet type */ + pos = skb->data + 24; + ethertype = (pos[6] << 8) | pos[7]; + if (ethertype == ETH_P_PAE) + return 1; + + return 0; +} + + +/* Called only as a tasklet (software IRQ) */ +static int +hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, + struct lib80211_crypt_data *crypt) +{ + struct ieee80211_hdr *hdr; + int res, hdrlen; + + if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) + return 0; + + hdr = (struct ieee80211_hdr *) skb->data; + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); + + if (local->tkip_countermeasures && + strcmp(crypt->ops->name, "TKIP") == 0) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " + "received packet from %pM\n", + local->dev->name, hdr->addr2); + } + return -1; + } + + atomic_inc(&crypt->refcnt); + res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv); + atomic_dec(&crypt->refcnt); + if (res < 0) { + printk(KERN_DEBUG "%s: decryption failed (SA=%pM) res=%d\n", + local->dev->name, hdr->addr2, res); + local->comm_tallies.rx_discards_wep_undecryptable++; + return -1; + } + + return res; +} + + +/* Called only as a tasklet (software IRQ) */ +static int +hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb, + int keyidx, struct lib80211_crypt_data *crypt) +{ + struct ieee80211_hdr *hdr; + int res, hdrlen; + + if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) + return 0; + + hdr = (struct ieee80211_hdr *) skb->data; + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); + + atomic_inc(&crypt->refcnt); + res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv); + atomic_dec(&crypt->refcnt); + if (res < 0) { + printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed" + " (SA=%pM keyidx=%d)\n", + local->dev->name, hdr->addr2, keyidx); + return -1; + } + + return 0; +} + + +/* All received frames are sent to this function. @skb contains the frame in + * IEEE 802.11 format, i.e., in the format it was sent over air. + * This function is called only as a tasklet (software IRQ). */ +void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct hostap_interface *iface; + local_info_t *local; + struct ieee80211_hdr *hdr; + size_t hdrlen; + u16 fc, type, stype, sc; + struct net_device *wds = NULL; + unsigned int frag; + u8 *payload; + struct sk_buff *skb2 = NULL; + u16 ethertype; + int frame_authorized = 0; + int from_assoc_ap = 0; + u8 dst[ETH_ALEN]; + u8 src[ETH_ALEN]; + struct lib80211_crypt_data *crypt = NULL; + void *sta = NULL; + int keyidx = 0; + + iface = netdev_priv(dev); + local = iface->local; + iface->stats.rx_packets++; + iface->stats.rx_bytes += skb->len; + + /* dev is the master radio device; change this to be the default + * virtual interface (this may be changed to WDS device below) */ + dev = local->ddev; + iface = netdev_priv(dev); + + hdr = (struct ieee80211_hdr *) skb->data; + + if (skb->len < 10) + goto rx_dropped; + + fc = le16_to_cpu(hdr->frame_control); + type = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; + sc = le16_to_cpu(hdr->seq_ctrl); + frag = sc & IEEE80211_SCTL_FRAG; + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); + + /* Put this code here so that we avoid duplicating it in all + * Rx paths. - Jean II */ +#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ + /* If spy monitoring on */ + if (iface->spy_data.spy_number > 0) { + struct iw_quality wstats; + wstats.level = rx_stats->signal; + wstats.noise = rx_stats->noise; + wstats.updated = IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_UPDATED + | IW_QUAL_QUAL_INVALID | IW_QUAL_DBM; + /* Update spy records */ + wireless_spy_update(dev, hdr->addr2, &wstats); + } +#endif /* IW_WIRELESS_SPY */ + hostap_update_rx_stats(local->ap, hdr, rx_stats); + + if (local->iw_mode == IW_MODE_MONITOR) { + monitor_rx(dev, skb, rx_stats); + return; + } + + if (local->host_decrypt) { + int idx = 0; + if (skb->len >= hdrlen + 3) + idx = skb->data[hdrlen + 3] >> 6; + crypt = local->crypt_info.crypt[idx]; + sta = NULL; + + /* Use station specific key to override default keys if the + * receiver address is a unicast address ("individual RA"). If + * bcrx_sta_key parameter is set, station specific key is used + * even with broad/multicast targets (this is against IEEE + * 802.11, but makes it easier to use different keys with + * stations that do not support WEP key mapping). */ + + if (!(hdr->addr1[0] & 0x01) || local->bcrx_sta_key) + (void) hostap_handle_sta_crypto(local, hdr, &crypt, + &sta); + + /* allow NULL decrypt to indicate an station specific override + * for default encryption */ + if (crypt && (crypt->ops == NULL || + crypt->ops->decrypt_mpdu == NULL)) + crypt = NULL; + + if (!crypt && (fc & IEEE80211_FCTL_PROTECTED)) { +#if 0 + /* This seems to be triggered by some (multicast?) + * frames from other than current BSS, so just drop the + * frames silently instead of filling system log with + * these reports. */ + printk(KERN_DEBUG "%s: WEP decryption failed (not set)" + " (SA=%pM)\n", + local->dev->name, hdr->addr2); +#endif + local->comm_tallies.rx_discards_wep_undecryptable++; + goto rx_dropped; + } + } + + if (type != IEEE80211_FTYPE_DATA) { + if (type == IEEE80211_FTYPE_MGMT && + stype == IEEE80211_STYPE_AUTH && + fc & IEEE80211_FCTL_PROTECTED && local->host_decrypt && + (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0) + { + printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth " + "from %pM\n", dev->name, hdr->addr2); + /* TODO: could inform hostapd about this so that it + * could send auth failure report */ + goto rx_dropped; + } + + if (hostap_rx_frame_mgmt(local, skb, rx_stats, type, stype)) + goto rx_dropped; + else + goto rx_exit; + } + + /* Data frame - extract src/dst addresses */ + if (skb->len < IEEE80211_DATA_HDR3_LEN) + goto rx_dropped; + + switch (fc & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { + case IEEE80211_FCTL_FROMDS: + memcpy(dst, hdr->addr1, ETH_ALEN); + memcpy(src, hdr->addr3, ETH_ALEN); + break; + case IEEE80211_FCTL_TODS: + memcpy(dst, hdr->addr3, ETH_ALEN); + memcpy(src, hdr->addr2, ETH_ALEN); + break; + case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: + if (skb->len < IEEE80211_DATA_HDR4_LEN) + goto rx_dropped; + memcpy(dst, hdr->addr3, ETH_ALEN); + memcpy(src, hdr->addr4, ETH_ALEN); + break; + case 0: + memcpy(dst, hdr->addr1, ETH_ALEN); + memcpy(src, hdr->addr2, ETH_ALEN); + break; + } + + if (hostap_rx_frame_wds(local, hdr, fc, &wds)) + goto rx_dropped; + if (wds) + skb->dev = dev = wds; + + if (local->iw_mode == IW_MODE_MASTER && !wds && + (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_FROMDS && + local->stadev && + memcmp(hdr->addr2, local->assoc_ap_addr, ETH_ALEN) == 0) { + /* Frame from BSSID of the AP for which we are a client */ + skb->dev = dev = local->stadev; + from_assoc_ap = 1; + } + + if ((local->iw_mode == IW_MODE_MASTER || + local->iw_mode == IW_MODE_REPEAT) && + !from_assoc_ap) { + switch (hostap_handle_sta_rx(local, dev, skb, rx_stats, + wds != NULL)) { + case AP_RX_CONTINUE_NOT_AUTHORIZED: + frame_authorized = 0; + break; + case AP_RX_CONTINUE: + frame_authorized = 1; + break; + case AP_RX_DROP: + goto rx_dropped; + case AP_RX_EXIT: + goto rx_exit; + } + } + + /* Nullfunc frames may have PS-bit set, so they must be passed to + * hostap_handle_sta_rx() before being dropped here. */ + if (stype != IEEE80211_STYPE_DATA && + stype != IEEE80211_STYPE_DATA_CFACK && + stype != IEEE80211_STYPE_DATA_CFPOLL && + stype != IEEE80211_STYPE_DATA_CFACKPOLL) { + if (stype != IEEE80211_STYPE_NULLFUNC) + printk(KERN_DEBUG "%s: RX: dropped data frame " + "with no data (type=0x%02x, subtype=0x%02x)\n", + dev->name, type >> 2, stype >> 4); + goto rx_dropped; + } + + /* skb: hdr + (possibly fragmented, possibly encrypted) payload */ + + if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && + (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0) + goto rx_dropped; + hdr = (struct ieee80211_hdr *) skb->data; + + /* skb: hdr + (possibly fragmented) plaintext payload */ + + if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && + (frag != 0 || (fc & IEEE80211_FCTL_MOREFRAGS))) { + int flen; + struct sk_buff *frag_skb = + prism2_frag_cache_get(local, hdr); + if (!frag_skb) { + printk(KERN_DEBUG "%s: Rx cannot get skb from " + "fragment cache (morefrag=%d seq=%u frag=%u)\n", + dev->name, (fc & IEEE80211_FCTL_MOREFRAGS) != 0, + (sc & IEEE80211_SCTL_SEQ) >> 4, frag); + goto rx_dropped; + } + + flen = skb->len; + if (frag != 0) + flen -= hdrlen; + + if (frag_skb->tail + flen > frag_skb->end) { + printk(KERN_WARNING "%s: host decrypted and " + "reassembled frame did not fit skb\n", + dev->name); + prism2_frag_cache_invalidate(local, hdr); + goto rx_dropped; + } + + if (frag == 0) { + /* copy first fragment (including full headers) into + * beginning of the fragment cache skb */ + skb_copy_from_linear_data(skb, skb_put(frag_skb, flen), + flen); + } else { + /* append frame payload to the end of the fragment + * cache skb */ + skb_copy_from_linear_data_offset(skb, hdrlen, + skb_put(frag_skb, + flen), flen); + } + dev_kfree_skb(skb); + skb = NULL; + + if (fc & IEEE80211_FCTL_MOREFRAGS) { + /* more fragments expected - leave the skb in fragment + * cache for now; it will be delivered to upper layers + * after all fragments have been received */ + goto rx_exit; + } + + /* this was the last fragment and the frame will be + * delivered, so remove skb from fragment cache */ + skb = frag_skb; + hdr = (struct ieee80211_hdr *) skb->data; + prism2_frag_cache_invalidate(local, hdr); + } + + /* skb: hdr + (possible reassembled) full MSDU payload; possibly still + * encrypted/authenticated */ + + if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && + hostap_rx_frame_decrypt_msdu(local, skb, keyidx, crypt)) + goto rx_dropped; + + hdr = (struct ieee80211_hdr *) skb->data; + if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !local->open_wep) { + if (local->ieee_802_1x && + hostap_is_eapol_frame(local, skb)) { + /* pass unencrypted EAPOL frames even if encryption is + * configured */ + PDEBUG(DEBUG_EXTRA2, "%s: RX: IEEE 802.1X - passing " + "unencrypted EAPOL frame\n", local->dev->name); + } else { + printk(KERN_DEBUG "%s: encryption configured, but RX " + "frame not encrypted (SA=%pM)\n", + local->dev->name, hdr->addr2); + goto rx_dropped; + } + } + + if (local->drop_unencrypted && !(fc & IEEE80211_FCTL_PROTECTED) && + !hostap_is_eapol_frame(local, skb)) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: dropped unencrypted RX data " + "frame from %pM (drop_unencrypted=1)\n", + dev->name, hdr->addr2); + } + goto rx_dropped; + } + + /* skb: hdr + (possible reassembled) full plaintext payload */ + + payload = skb->data + hdrlen; + ethertype = (payload[6] << 8) | payload[7]; + + /* If IEEE 802.1X is used, check whether the port is authorized to send + * the received frame. */ + if (local->ieee_802_1x && local->iw_mode == IW_MODE_MASTER) { + if (ethertype == ETH_P_PAE) { + PDEBUG(DEBUG_EXTRA2, "%s: RX: IEEE 802.1X frame\n", + dev->name); + if (local->hostapd && local->apdev) { + /* Send IEEE 802.1X frames to the user + * space daemon for processing */ + prism2_rx_80211(local->apdev, skb, rx_stats, + PRISM2_RX_MGMT); + local->apdevstats.rx_packets++; + local->apdevstats.rx_bytes += skb->len; + goto rx_exit; + } + } else if (!frame_authorized) { + printk(KERN_DEBUG "%s: dropped frame from " + "unauthorized port (IEEE 802.1X): " + "ethertype=0x%04x\n", + dev->name, ethertype); + goto rx_dropped; + } + } + + /* convert hdr + possible LLC headers into Ethernet header */ + if (skb->len - hdrlen >= 8 && + ((memcmp(payload, rfc1042_header, 6) == 0 && + ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || + memcmp(payload, bridge_tunnel_header, 6) == 0)) { + /* remove RFC1042 or Bridge-Tunnel encapsulation and + * replace EtherType */ + skb_pull(skb, hdrlen + 6); + memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); + } else { + __be16 len; + /* Leave Ethernet header part of hdr and full payload */ + skb_pull(skb, hdrlen); + len = htons(skb->len); + memcpy(skb_push(skb, 2), &len, 2); + memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); + } + + if (wds && ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_TODS) && + skb->len >= ETH_HLEN + ETH_ALEN) { + /* Non-standard frame: get addr4 from its bogus location after + * the payload */ + skb_copy_from_linear_data_offset(skb, skb->len - ETH_ALEN, + skb->data + ETH_ALEN, + ETH_ALEN); + skb_trim(skb, skb->len - ETH_ALEN); + } + + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb->len; + + if (local->iw_mode == IW_MODE_MASTER && !wds && + local->ap->bridge_packets) { + if (dst[0] & 0x01) { + /* copy multicast frame both to the higher layers and + * to the wireless media */ + local->ap->bridged_multicast++; + skb2 = skb_clone(skb, GFP_ATOMIC); + if (skb2 == NULL) + printk(KERN_DEBUG "%s: skb_clone failed for " + "multicast frame\n", dev->name); + } else if (hostap_is_sta_authorized(local->ap, dst)) { + /* send frame directly to the associated STA using + * wireless media and not passing to higher layers */ + local->ap->bridged_unicast++; + skb2 = skb; + skb = NULL; + } + } + + if (skb2 != NULL) { + /* send to wireless media */ + skb2->dev = dev; + skb2->protocol = cpu_to_be16(ETH_P_802_3); + skb_reset_mac_header(skb2); + skb_reset_network_header(skb2); + /* skb2->network_header += ETH_HLEN; */ + dev_queue_xmit(skb2); + } + + if (skb) { + skb->protocol = eth_type_trans(skb, dev); + memset(skb->cb, 0, sizeof(skb->cb)); + netif_rx(skb); + } + + rx_exit: + if (sta) + hostap_handle_sta_release(sta); + return; + + rx_dropped: + dev_kfree_skb(skb); + + dev->stats.rx_dropped++; + goto rx_exit; +} + + +EXPORT_SYMBOL(hostap_80211_rx); diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c b/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c new file mode 100644 index 000000000000..055e11d353ca --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c @@ -0,0 +1,553 @@ +#include +#include +#include + +#include "hostap_80211.h" +#include "hostap_common.h" +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" + +/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ +/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ +static unsigned char rfc1042_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; +/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ +static unsigned char bridge_tunnel_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; +/* No encapsulation header if EtherType < 0x600 (=length) */ + +void hostap_dump_tx_80211(const char *name, struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr; + u16 fc; + + hdr = (struct ieee80211_hdr *) skb->data; + + printk(KERN_DEBUG "%s: TX len=%d jiffies=%ld\n", + name, skb->len, jiffies); + + if (skb->len < 2) + return; + + fc = le16_to_cpu(hdr->frame_control); + printk(KERN_DEBUG " FC=0x%04x (type=%d:%d)%s%s", + fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, + (fc & IEEE80211_FCTL_STYPE) >> 4, + fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", + fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); + + if (skb->len < IEEE80211_DATA_HDR3_LEN) { + printk("\n"); + return; + } + + printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id), + le16_to_cpu(hdr->seq_ctrl)); + + printk(KERN_DEBUG " A1=%pM", hdr->addr1); + printk(" A2=%pM", hdr->addr2); + printk(" A3=%pM", hdr->addr3); + if (skb->len >= 30) + printk(" A4=%pM", hdr->addr4); + printk("\n"); +} + + +/* hard_start_xmit function for data interfaces (wlan#, wlan#wds#, wlan#sta) + * Convert Ethernet header into a suitable IEEE 802.11 header depending on + * device configuration. */ +netdev_tx_t hostap_data_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + int need_headroom, need_tailroom = 0; + struct ieee80211_hdr hdr; + u16 fc, ethertype = 0; + enum { + WDS_NO = 0, WDS_OWN_FRAME, WDS_COMPLIANT_FRAME + } use_wds = WDS_NO; + u8 *encaps_data; + int hdr_len, encaps_len, skip_header_bytes; + int to_assoc_ap = 0; + struct hostap_skb_tx_data *meta; + + iface = netdev_priv(dev); + local = iface->local; + + if (skb->len < ETH_HLEN) { + printk(KERN_DEBUG "%s: hostap_data_start_xmit: short skb " + "(len=%d)\n", dev->name, skb->len); + kfree_skb(skb); + return NETDEV_TX_OK; + } + + if (local->ddev != dev) { + use_wds = (local->iw_mode == IW_MODE_MASTER && + !(local->wds_type & HOSTAP_WDS_STANDARD_FRAME)) ? + WDS_OWN_FRAME : WDS_COMPLIANT_FRAME; + if (dev == local->stadev) { + to_assoc_ap = 1; + use_wds = WDS_NO; + } else if (dev == local->apdev) { + printk(KERN_DEBUG "%s: prism2_tx: trying to use " + "AP device with Ethernet net dev\n", dev->name); + kfree_skb(skb); + return NETDEV_TX_OK; + } + } else { + if (local->iw_mode == IW_MODE_REPEAT) { + printk(KERN_DEBUG "%s: prism2_tx: trying to use " + "non-WDS link in Repeater mode\n", dev->name); + kfree_skb(skb); + return NETDEV_TX_OK; + } else if (local->iw_mode == IW_MODE_INFRA && + (local->wds_type & HOSTAP_WDS_AP_CLIENT) && + !ether_addr_equal(skb->data + ETH_ALEN, dev->dev_addr)) { + /* AP client mode: send frames with foreign src addr + * using 4-addr WDS frames */ + use_wds = WDS_COMPLIANT_FRAME; + } + } + + /* Incoming skb->data: dst_addr[6], src_addr[6], proto[2], payload + * ==> + * Prism2 TX frame with 802.11 header: + * txdesc (address order depending on used mode; includes dst_addr and + * src_addr), possible encapsulation (RFC1042/Bridge-Tunnel; + * proto[2], payload {, possible addr4[6]} */ + + ethertype = (skb->data[12] << 8) | skb->data[13]; + + memset(&hdr, 0, sizeof(hdr)); + + /* Length of data after IEEE 802.11 header */ + encaps_data = NULL; + encaps_len = 0; + skip_header_bytes = ETH_HLEN; + if (ethertype == ETH_P_AARP || ethertype == ETH_P_IPX) { + encaps_data = bridge_tunnel_header; + encaps_len = sizeof(bridge_tunnel_header); + skip_header_bytes -= 2; + } else if (ethertype >= 0x600) { + encaps_data = rfc1042_header; + encaps_len = sizeof(rfc1042_header); + skip_header_bytes -= 2; + } + + fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA; + hdr_len = IEEE80211_DATA_HDR3_LEN; + + if (use_wds != WDS_NO) { + /* Note! Prism2 station firmware has problems with sending real + * 802.11 frames with four addresses; until these problems can + * be fixed or worked around, 4-addr frames needed for WDS are + * using incompatible format: FromDS flag is not set and the + * fourth address is added after the frame payload; it is + * assumed, that the receiving station knows how to handle this + * frame format */ + + if (use_wds == WDS_COMPLIANT_FRAME) { + fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS; + /* From&To DS: Addr1 = RA, Addr2 = TA, Addr3 = DA, + * Addr4 = SA */ + skb_copy_from_linear_data_offset(skb, ETH_ALEN, + &hdr.addr4, ETH_ALEN); + hdr_len += ETH_ALEN; + } else { + /* bogus 4-addr format to workaround Prism2 station + * f/w bug */ + fc |= IEEE80211_FCTL_TODS; + /* From DS: Addr1 = DA (used as RA), + * Addr2 = BSSID (used as TA), Addr3 = SA (used as DA), + */ + + /* SA from skb->data + ETH_ALEN will be added after + * frame payload; use hdr.addr4 as a temporary buffer + */ + skb_copy_from_linear_data_offset(skb, ETH_ALEN, + &hdr.addr4, ETH_ALEN); + need_tailroom += ETH_ALEN; + } + + /* send broadcast and multicast frames to broadcast RA, if + * configured; otherwise, use unicast RA of the WDS link */ + if ((local->wds_type & HOSTAP_WDS_BROADCAST_RA) && + is_multicast_ether_addr(skb->data)) + eth_broadcast_addr(hdr.addr1); + else if (iface->type == HOSTAP_INTERFACE_WDS) + memcpy(&hdr.addr1, iface->u.wds.remote_addr, + ETH_ALEN); + else + memcpy(&hdr.addr1, local->bssid, ETH_ALEN); + memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN); + skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN); + } else if (local->iw_mode == IW_MODE_MASTER && !to_assoc_ap) { + fc |= IEEE80211_FCTL_FROMDS; + /* From DS: Addr1 = DA, Addr2 = BSSID, Addr3 = SA */ + skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN); + memcpy(&hdr.addr2, dev->dev_addr, ETH_ALEN); + skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr3, + ETH_ALEN); + } else if (local->iw_mode == IW_MODE_INFRA || to_assoc_ap) { + fc |= IEEE80211_FCTL_TODS; + /* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */ + memcpy(&hdr.addr1, to_assoc_ap ? + local->assoc_ap_addr : local->bssid, ETH_ALEN); + skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2, + ETH_ALEN); + skb_copy_from_linear_data(skb, &hdr.addr3, ETH_ALEN); + } else if (local->iw_mode == IW_MODE_ADHOC) { + /* not From/To DS: Addr1 = DA, Addr2 = SA, Addr3 = BSSID */ + skb_copy_from_linear_data(skb, &hdr.addr1, ETH_ALEN); + skb_copy_from_linear_data_offset(skb, ETH_ALEN, &hdr.addr2, + ETH_ALEN); + memcpy(&hdr.addr3, local->bssid, ETH_ALEN); + } + + hdr.frame_control = cpu_to_le16(fc); + + skb_pull(skb, skip_header_bytes); + need_headroom = local->func->need_tx_headroom + hdr_len + encaps_len; + if (skb_tailroom(skb) < need_tailroom) { + skb = skb_unshare(skb, GFP_ATOMIC); + if (skb == NULL) { + iface->stats.tx_dropped++; + return NETDEV_TX_OK; + } + if (pskb_expand_head(skb, need_headroom, need_tailroom, + GFP_ATOMIC)) { + kfree_skb(skb); + iface->stats.tx_dropped++; + return NETDEV_TX_OK; + } + } else if (skb_headroom(skb) < need_headroom) { + struct sk_buff *tmp = skb; + skb = skb_realloc_headroom(skb, need_headroom); + kfree_skb(tmp); + if (skb == NULL) { + iface->stats.tx_dropped++; + return NETDEV_TX_OK; + } + } else { + skb = skb_unshare(skb, GFP_ATOMIC); + if (skb == NULL) { + iface->stats.tx_dropped++; + return NETDEV_TX_OK; + } + } + + if (encaps_data) + memcpy(skb_push(skb, encaps_len), encaps_data, encaps_len); + memcpy(skb_push(skb, hdr_len), &hdr, hdr_len); + if (use_wds == WDS_OWN_FRAME) { + memcpy(skb_put(skb, ETH_ALEN), &hdr.addr4, ETH_ALEN); + } + + iface->stats.tx_packets++; + iface->stats.tx_bytes += skb->len; + + skb_reset_mac_header(skb); + meta = (struct hostap_skb_tx_data *) skb->cb; + memset(meta, 0, sizeof(*meta)); + meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; + if (use_wds) + meta->flags |= HOSTAP_TX_FLAGS_WDS; + meta->ethertype = ethertype; + meta->iface = iface; + + /* Send IEEE 802.11 encapsulated frame using the master radio device */ + skb->dev = local->dev; + dev_queue_xmit(skb); + return NETDEV_TX_OK; +} + + +/* hard_start_xmit function for hostapd wlan#ap interfaces */ +netdev_tx_t hostap_mgmt_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hostap_skb_tx_data *meta; + struct ieee80211_hdr *hdr; + u16 fc; + + iface = netdev_priv(dev); + local = iface->local; + + if (skb->len < 10) { + printk(KERN_DEBUG "%s: hostap_mgmt_start_xmit: short skb " + "(len=%d)\n", dev->name, skb->len); + kfree_skb(skb); + return NETDEV_TX_OK; + } + + iface->stats.tx_packets++; + iface->stats.tx_bytes += skb->len; + + meta = (struct hostap_skb_tx_data *) skb->cb; + memset(meta, 0, sizeof(*meta)); + meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; + meta->iface = iface; + + if (skb->len >= IEEE80211_DATA_HDR3_LEN + sizeof(rfc1042_header) + 2) { + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); + if (ieee80211_is_data(hdr->frame_control) && + (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DATA) { + u8 *pos = &skb->data[IEEE80211_DATA_HDR3_LEN + + sizeof(rfc1042_header)]; + meta->ethertype = (pos[0] << 8) | pos[1]; + } + } + + /* Send IEEE 802.11 encapsulated frame using the master radio device */ + skb->dev = local->dev; + dev_queue_xmit(skb); + return NETDEV_TX_OK; +} + + +/* Called only from software IRQ */ +static struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, + struct lib80211_crypt_data *crypt) +{ + struct hostap_interface *iface; + local_info_t *local; + struct ieee80211_hdr *hdr; + int prefix_len, postfix_len, hdr_len, res; + + iface = netdev_priv(skb->dev); + local = iface->local; + + if (skb->len < IEEE80211_DATA_HDR3_LEN) { + kfree_skb(skb); + return NULL; + } + + if (local->tkip_countermeasures && + strcmp(crypt->ops->name, "TKIP") == 0) { + hdr = (struct ieee80211_hdr *) skb->data; + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " + "TX packet to %pM\n", + local->dev->name, hdr->addr1); + } + kfree_skb(skb); + return NULL; + } + + skb = skb_unshare(skb, GFP_ATOMIC); + if (skb == NULL) + return NULL; + + prefix_len = crypt->ops->extra_mpdu_prefix_len + + crypt->ops->extra_msdu_prefix_len; + postfix_len = crypt->ops->extra_mpdu_postfix_len + + crypt->ops->extra_msdu_postfix_len; + if ((skb_headroom(skb) < prefix_len || + skb_tailroom(skb) < postfix_len) && + pskb_expand_head(skb, prefix_len, postfix_len, GFP_ATOMIC)) { + kfree_skb(skb); + return NULL; + } + + hdr = (struct ieee80211_hdr *) skb->data; + hdr_len = hostap_80211_get_hdrlen(hdr->frame_control); + + /* Host-based IEEE 802.11 fragmentation for TX is not yet supported, so + * call both MSDU and MPDU encryption functions from here. */ + atomic_inc(&crypt->refcnt); + res = 0; + if (crypt->ops->encrypt_msdu) + res = crypt->ops->encrypt_msdu(skb, hdr_len, crypt->priv); + if (res == 0 && crypt->ops->encrypt_mpdu) + res = crypt->ops->encrypt_mpdu(skb, hdr_len, crypt->priv); + atomic_dec(&crypt->refcnt); + if (res < 0) { + kfree_skb(skb); + return NULL; + } + + return skb; +} + + +/* hard_start_xmit function for master radio interface wifi#. + * AP processing (TX rate control, power save buffering, etc.). + * Use hardware TX function to send the frame. */ +netdev_tx_t hostap_master_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + netdev_tx_t ret = NETDEV_TX_BUSY; + u16 fc; + struct hostap_tx_data tx; + ap_tx_ret tx_ret; + struct hostap_skb_tx_data *meta; + int no_encrypt = 0; + struct ieee80211_hdr *hdr; + + iface = netdev_priv(dev); + local = iface->local; + + tx.skb = skb; + tx.sta_ptr = NULL; + + meta = (struct hostap_skb_tx_data *) skb->cb; + if (meta->magic != HOSTAP_SKB_TX_DATA_MAGIC) { + printk(KERN_DEBUG "%s: invalid skb->cb magic (0x%08x, " + "expected 0x%08x)\n", + dev->name, meta->magic, HOSTAP_SKB_TX_DATA_MAGIC); + ret = NETDEV_TX_OK; + iface->stats.tx_dropped++; + goto fail; + } + + if (local->host_encrypt) { + /* Set crypt to default algorithm and key; will be replaced in + * AP code if STA has own alg/key */ + tx.crypt = local->crypt_info.crypt[local->crypt_info.tx_keyidx]; + tx.host_encrypt = 1; + } else { + tx.crypt = NULL; + tx.host_encrypt = 0; + } + + if (skb->len < 24) { + printk(KERN_DEBUG "%s: hostap_master_start_xmit: short skb " + "(len=%d)\n", dev->name, skb->len); + ret = NETDEV_TX_OK; + iface->stats.tx_dropped++; + goto fail; + } + + /* FIX (?): + * Wi-Fi 802.11b test plan suggests that AP should ignore power save + * bit in authentication and (re)association frames and assume tha + * STA remains awake for the response. */ + tx_ret = hostap_handle_sta_tx(local, &tx); + skb = tx.skb; + meta = (struct hostap_skb_tx_data *) skb->cb; + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); + switch (tx_ret) { + case AP_TX_CONTINUE: + break; + case AP_TX_CONTINUE_NOT_AUTHORIZED: + if (local->ieee_802_1x && + ieee80211_is_data(hdr->frame_control) && + meta->ethertype != ETH_P_PAE && + !(meta->flags & HOSTAP_TX_FLAGS_WDS)) { + printk(KERN_DEBUG "%s: dropped frame to unauthorized " + "port (IEEE 802.1X): ethertype=0x%04x\n", + dev->name, meta->ethertype); + hostap_dump_tx_80211(dev->name, skb); + + ret = NETDEV_TX_OK; /* drop packet */ + iface->stats.tx_dropped++; + goto fail; + } + break; + case AP_TX_DROP: + ret = NETDEV_TX_OK; /* drop packet */ + iface->stats.tx_dropped++; + goto fail; + case AP_TX_RETRY: + goto fail; + case AP_TX_BUFFERED: + /* do not free skb here, it will be freed when the + * buffered frame is sent/timed out */ + ret = NETDEV_TX_OK; + goto tx_exit; + } + + /* Request TX callback if protocol version is 2 in 802.11 header; + * this version 2 is a special case used between hostapd and kernel + * driver */ + if (((fc & IEEE80211_FCTL_VERS) == BIT(1)) && + local->ap && local->ap->tx_callback_idx && meta->tx_cb_idx == 0) { + meta->tx_cb_idx = local->ap->tx_callback_idx; + + /* remove special version from the frame header */ + fc &= ~IEEE80211_FCTL_VERS; + hdr->frame_control = cpu_to_le16(fc); + } + + if (!ieee80211_is_data(hdr->frame_control)) { + no_encrypt = 1; + tx.crypt = NULL; + } + + if (local->ieee_802_1x && meta->ethertype == ETH_P_PAE && tx.crypt && + !(fc & IEEE80211_FCTL_PROTECTED)) { + no_encrypt = 1; + PDEBUG(DEBUG_EXTRA2, "%s: TX: IEEE 802.1X - passing " + "unencrypted EAPOL frame\n", dev->name); + tx.crypt = NULL; /* no encryption for IEEE 802.1X frames */ + } + + if (tx.crypt && (!tx.crypt->ops || !tx.crypt->ops->encrypt_mpdu)) + tx.crypt = NULL; + else if ((tx.crypt || + local->crypt_info.crypt[local->crypt_info.tx_keyidx]) && + !no_encrypt) { + /* Add ISWEP flag both for firmware and host based encryption + */ + fc |= IEEE80211_FCTL_PROTECTED; + hdr->frame_control = cpu_to_le16(fc); + } else if (local->drop_unencrypted && + ieee80211_is_data(hdr->frame_control) && + meta->ethertype != ETH_P_PAE) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: dropped unencrypted TX data " + "frame (drop_unencrypted=1)\n", dev->name); + } + iface->stats.tx_dropped++; + ret = NETDEV_TX_OK; + goto fail; + } + + if (tx.crypt) { + skb = hostap_tx_encrypt(skb, tx.crypt); + if (skb == NULL) { + printk(KERN_DEBUG "%s: TX - encryption failed\n", + dev->name); + ret = NETDEV_TX_OK; + goto fail; + } + meta = (struct hostap_skb_tx_data *) skb->cb; + if (meta->magic != HOSTAP_SKB_TX_DATA_MAGIC) { + printk(KERN_DEBUG "%s: invalid skb->cb magic (0x%08x, " + "expected 0x%08x) after hostap_tx_encrypt\n", + dev->name, meta->magic, + HOSTAP_SKB_TX_DATA_MAGIC); + ret = NETDEV_TX_OK; + iface->stats.tx_dropped++; + goto fail; + } + } + + if (local->func->tx == NULL || local->func->tx(skb, dev)) { + ret = NETDEV_TX_OK; + iface->stats.tx_dropped++; + } else { + ret = NETDEV_TX_OK; + iface->stats.tx_packets++; + iface->stats.tx_bytes += skb->len; + } + + fail: + if (ret == NETDEV_TX_OK && skb) + dev_kfree_skb(skb); + tx_exit: + if (tx.sta_ptr) + hostap_handle_sta_release(tx.sta_ptr); + return ret; +} + + +EXPORT_SYMBOL(hostap_master_start_xmit); diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c new file mode 100644 index 000000000000..c995ace153ee --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c @@ -0,0 +1,3339 @@ +/* + * Intersil Prism2 driver with Host AP (software access point) support + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * + * Copyright (c) 2002-2005, Jouni Malinen + * + * This file is to be included into hostap.c when S/W AP functionality is + * compiled. + * + * AP: FIX: + * - if unicast Class 2 (assoc,reassoc,disassoc) frame received from + * unauthenticated STA, send deauth. frame (8802.11: 5.5) + * - if unicast Class 3 (data with to/from DS,deauth,pspoll) frame received + * from authenticated, but unassoc STA, send disassoc frame (8802.11: 5.5) + * - if unicast Class 3 received from unauthenticated STA, send deauth. frame + * (8802.11: 5.5) + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" + +static int other_ap_policy[MAX_PARM_DEVICES] = { AP_OTHER_AP_SKIP_ALL, + DEF_INTS }; +module_param_array(other_ap_policy, int, NULL, 0444); +MODULE_PARM_DESC(other_ap_policy, "Other AP beacon monitoring policy (0-3)"); + +static int ap_max_inactivity[MAX_PARM_DEVICES] = { AP_MAX_INACTIVITY_SEC, + DEF_INTS }; +module_param_array(ap_max_inactivity, int, NULL, 0444); +MODULE_PARM_DESC(ap_max_inactivity, "AP timeout (in seconds) for station " + "inactivity"); + +static int ap_bridge_packets[MAX_PARM_DEVICES] = { 1, DEF_INTS }; +module_param_array(ap_bridge_packets, int, NULL, 0444); +MODULE_PARM_DESC(ap_bridge_packets, "Bridge packets directly between " + "stations"); + +static int autom_ap_wds[MAX_PARM_DEVICES] = { 0, DEF_INTS }; +module_param_array(autom_ap_wds, int, NULL, 0444); +MODULE_PARM_DESC(autom_ap_wds, "Add WDS connections to other APs " + "automatically"); + + +static struct sta_info* ap_get_sta(struct ap_data *ap, u8 *sta); +static void hostap_event_expired_sta(struct net_device *dev, + struct sta_info *sta); +static void handle_add_proc_queue(struct work_struct *work); + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT +static void handle_wds_oper_queue(struct work_struct *work); +static void prism2_send_mgmt(struct net_device *dev, + u16 type_subtype, char *body, + int body_len, u8 *addr, u16 tx_cb_idx); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +#ifndef PRISM2_NO_PROCFS_DEBUG +static int ap_debug_proc_show(struct seq_file *m, void *v) +{ + struct ap_data *ap = m->private; + + seq_printf(m, "BridgedUnicastFrames=%u\n", ap->bridged_unicast); + seq_printf(m, "BridgedMulticastFrames=%u\n", ap->bridged_multicast); + seq_printf(m, "max_inactivity=%u\n", ap->max_inactivity / HZ); + seq_printf(m, "bridge_packets=%u\n", ap->bridge_packets); + seq_printf(m, "nullfunc_ack=%u\n", ap->nullfunc_ack); + seq_printf(m, "autom_ap_wds=%u\n", ap->autom_ap_wds); + seq_printf(m, "auth_algs=%u\n", ap->local->auth_algs); + seq_printf(m, "tx_drop_nonassoc=%u\n", ap->tx_drop_nonassoc); + return 0; +} + +static int ap_debug_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, ap_debug_proc_show, PDE_DATA(inode)); +} + +static const struct file_operations ap_debug_proc_fops = { + .open = ap_debug_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif /* PRISM2_NO_PROCFS_DEBUG */ + + +static void ap_sta_hash_add(struct ap_data *ap, struct sta_info *sta) +{ + sta->hnext = ap->sta_hash[STA_HASH(sta->addr)]; + ap->sta_hash[STA_HASH(sta->addr)] = sta; +} + +static void ap_sta_hash_del(struct ap_data *ap, struct sta_info *sta) +{ + struct sta_info *s; + + s = ap->sta_hash[STA_HASH(sta->addr)]; + if (s == NULL) return; + if (ether_addr_equal(s->addr, sta->addr)) { + ap->sta_hash[STA_HASH(sta->addr)] = s->hnext; + return; + } + + while (s->hnext != NULL && !ether_addr_equal(s->hnext->addr, sta->addr)) + s = s->hnext; + if (s->hnext != NULL) + s->hnext = s->hnext->hnext; + else + printk("AP: could not remove STA %pM from hash table\n", + sta->addr); +} + +static void ap_free_sta(struct ap_data *ap, struct sta_info *sta) +{ + if (sta->ap && sta->local) + hostap_event_expired_sta(sta->local->dev, sta); + + if (ap->proc != NULL) { + char name[20]; + sprintf(name, "%pM", sta->addr); + remove_proc_entry(name, ap->proc); + } + + if (sta->crypt) { + sta->crypt->ops->deinit(sta->crypt->priv); + kfree(sta->crypt); + sta->crypt = NULL; + } + + skb_queue_purge(&sta->tx_buf); + + ap->num_sta--; +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (sta->aid > 0) + ap->sta_aid[sta->aid - 1] = NULL; + + if (!sta->ap) + kfree(sta->u.sta.challenge); + del_timer_sync(&sta->timer); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + kfree(sta); +} + + +static void hostap_set_tim(local_info_t *local, int aid, int set) +{ + if (local->func->set_tim) + local->func->set_tim(local->dev, aid, set); +} + + +static void hostap_event_new_sta(struct net_device *dev, struct sta_info *sta) +{ + union iwreq_data wrqu; + memset(&wrqu, 0, sizeof(wrqu)); + memcpy(wrqu.addr.sa_data, sta->addr, ETH_ALEN); + wrqu.addr.sa_family = ARPHRD_ETHER; + wireless_send_event(dev, IWEVREGISTERED, &wrqu, NULL); +} + + +static void hostap_event_expired_sta(struct net_device *dev, + struct sta_info *sta) +{ + union iwreq_data wrqu; + memset(&wrqu, 0, sizeof(wrqu)); + memcpy(wrqu.addr.sa_data, sta->addr, ETH_ALEN); + wrqu.addr.sa_family = ARPHRD_ETHER; + wireless_send_event(dev, IWEVEXPIRED, &wrqu, NULL); +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + +static void ap_handle_timer(unsigned long data) +{ + struct sta_info *sta = (struct sta_info *) data; + local_info_t *local; + struct ap_data *ap; + unsigned long next_time = 0; + int was_assoc; + + if (sta == NULL || sta->local == NULL || sta->local->ap == NULL) { + PDEBUG(DEBUG_AP, "ap_handle_timer() called with NULL data\n"); + return; + } + + local = sta->local; + ap = local->ap; + was_assoc = sta->flags & WLAN_STA_ASSOC; + + if (atomic_read(&sta->users) != 0) + next_time = jiffies + HZ; + else if ((sta->flags & WLAN_STA_PERM) && !(sta->flags & WLAN_STA_AUTH)) + next_time = jiffies + ap->max_inactivity; + + if (time_before(jiffies, sta->last_rx + ap->max_inactivity)) { + /* station activity detected; reset timeout state */ + sta->timeout_next = STA_NULLFUNC; + next_time = sta->last_rx + ap->max_inactivity; + } else if (sta->timeout_next == STA_DISASSOC && + !(sta->flags & WLAN_STA_PENDING_POLL)) { + /* STA ACKed data nullfunc frame poll */ + sta->timeout_next = STA_NULLFUNC; + next_time = jiffies + ap->max_inactivity; + } + + if (next_time) { + sta->timer.expires = next_time; + add_timer(&sta->timer); + return; + } + + if (sta->ap) + sta->timeout_next = STA_DEAUTH; + + if (sta->timeout_next == STA_DEAUTH && !(sta->flags & WLAN_STA_PERM)) { + spin_lock(&ap->sta_table_lock); + ap_sta_hash_del(ap, sta); + list_del(&sta->list); + spin_unlock(&ap->sta_table_lock); + sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); + } else if (sta->timeout_next == STA_DISASSOC) + sta->flags &= ~WLAN_STA_ASSOC; + + if (was_assoc && !(sta->flags & WLAN_STA_ASSOC) && !sta->ap) + hostap_event_expired_sta(local->dev, sta); + + if (sta->timeout_next == STA_DEAUTH && sta->aid > 0 && + !skb_queue_empty(&sta->tx_buf)) { + hostap_set_tim(local, sta->aid, 0); + sta->flags &= ~WLAN_STA_TIM; + } + + if (sta->ap) { + if (ap->autom_ap_wds) { + PDEBUG(DEBUG_AP, "%s: removing automatic WDS " + "connection to AP %pM\n", + local->dev->name, sta->addr); + hostap_wds_link_oper(local, sta->addr, WDS_DEL); + } + } else if (sta->timeout_next == STA_NULLFUNC) { + /* send data frame to poll STA and check whether this frame + * is ACKed */ + /* FIX: IEEE80211_STYPE_NULLFUNC would be more appropriate, but + * it is apparently not retried so TX Exc events are not + * received for it */ + sta->flags |= WLAN_STA_PENDING_POLL; + prism2_send_mgmt(local->dev, IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_DATA, NULL, 0, + sta->addr, ap->tx_callback_poll); + } else { + int deauth = sta->timeout_next == STA_DEAUTH; + __le16 resp; + PDEBUG(DEBUG_AP, "%s: sending %s info to STA %pM" + "(last=%lu, jiffies=%lu)\n", + local->dev->name, + deauth ? "deauthentication" : "disassociation", + sta->addr, sta->last_rx, jiffies); + + resp = cpu_to_le16(deauth ? WLAN_REASON_PREV_AUTH_NOT_VALID : + WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); + prism2_send_mgmt(local->dev, IEEE80211_FTYPE_MGMT | + (deauth ? IEEE80211_STYPE_DEAUTH : + IEEE80211_STYPE_DISASSOC), + (char *) &resp, 2, sta->addr, 0); + } + + if (sta->timeout_next == STA_DEAUTH) { + if (sta->flags & WLAN_STA_PERM) { + PDEBUG(DEBUG_AP, "%s: STA %pM" + " would have been removed, " + "but it has 'perm' flag\n", + local->dev->name, sta->addr); + } else + ap_free_sta(ap, sta); + return; + } + + if (sta->timeout_next == STA_NULLFUNC) { + sta->timeout_next = STA_DISASSOC; + sta->timer.expires = jiffies + AP_DISASSOC_DELAY; + } else { + sta->timeout_next = STA_DEAUTH; + sta->timer.expires = jiffies + AP_DEAUTH_DELAY; + } + + add_timer(&sta->timer); +} + + +void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap, + int resend) +{ + u8 addr[ETH_ALEN]; + __le16 resp; + int i; + + PDEBUG(DEBUG_AP, "%s: Deauthenticate all stations\n", dev->name); + eth_broadcast_addr(addr); + + resp = cpu_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID); + + /* deauth message sent; try to resend it few times; the message is + * broadcast, so it may be delayed until next DTIM; there is not much + * else we can do at this point since the driver is going to be shut + * down */ + for (i = 0; i < 5; i++) { + prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_DEAUTH, + (char *) &resp, 2, addr, 0); + + if (!resend || ap->num_sta <= 0) + return; + + mdelay(50); + } +} + + +static int ap_control_proc_show(struct seq_file *m, void *v) +{ + struct ap_data *ap = m->private; + char *policy_txt; + struct mac_entry *entry; + + if (v == SEQ_START_TOKEN) { + switch (ap->mac_restrictions.policy) { + case MAC_POLICY_OPEN: + policy_txt = "open"; + break; + case MAC_POLICY_ALLOW: + policy_txt = "allow"; + break; + case MAC_POLICY_DENY: + policy_txt = "deny"; + break; + default: + policy_txt = "unknown"; + break; + } + seq_printf(m, "MAC policy: %s\n", policy_txt); + seq_printf(m, "MAC entries: %u\n", ap->mac_restrictions.entries); + seq_puts(m, "MAC list:\n"); + return 0; + } + + entry = v; + seq_printf(m, "%pM\n", entry->addr); + return 0; +} + +static void *ap_control_proc_start(struct seq_file *m, loff_t *_pos) +{ + struct ap_data *ap = m->private; + spin_lock_bh(&ap->mac_restrictions.lock); + return seq_list_start_head(&ap->mac_restrictions.mac_list, *_pos); +} + +static void *ap_control_proc_next(struct seq_file *m, void *v, loff_t *_pos) +{ + struct ap_data *ap = m->private; + return seq_list_next(v, &ap->mac_restrictions.mac_list, _pos); +} + +static void ap_control_proc_stop(struct seq_file *m, void *v) +{ + struct ap_data *ap = m->private; + spin_unlock_bh(&ap->mac_restrictions.lock); +} + +static const struct seq_operations ap_control_proc_seqops = { + .start = ap_control_proc_start, + .next = ap_control_proc_next, + .stop = ap_control_proc_stop, + .show = ap_control_proc_show, +}; + +static int ap_control_proc_open(struct inode *inode, struct file *file) +{ + int ret = seq_open(file, &ap_control_proc_seqops); + if (ret == 0) { + struct seq_file *m = file->private_data; + m->private = PDE_DATA(inode); + } + return ret; +} + +static const struct file_operations ap_control_proc_fops = { + .open = ap_control_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + + +int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac) +{ + struct mac_entry *entry; + + entry = kmalloc(sizeof(struct mac_entry), GFP_KERNEL); + if (entry == NULL) + return -ENOMEM; + + memcpy(entry->addr, mac, ETH_ALEN); + + spin_lock_bh(&mac_restrictions->lock); + list_add_tail(&entry->list, &mac_restrictions->mac_list); + mac_restrictions->entries++; + spin_unlock_bh(&mac_restrictions->lock); + + return 0; +} + + +int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac) +{ + struct list_head *ptr; + struct mac_entry *entry; + + spin_lock_bh(&mac_restrictions->lock); + for (ptr = mac_restrictions->mac_list.next; + ptr != &mac_restrictions->mac_list; ptr = ptr->next) { + entry = list_entry(ptr, struct mac_entry, list); + + if (ether_addr_equal(entry->addr, mac)) { + list_del(ptr); + kfree(entry); + mac_restrictions->entries--; + spin_unlock_bh(&mac_restrictions->lock); + return 0; + } + } + spin_unlock_bh(&mac_restrictions->lock); + return -1; +} + + +static int ap_control_mac_deny(struct mac_restrictions *mac_restrictions, + u8 *mac) +{ + struct mac_entry *entry; + int found = 0; + + if (mac_restrictions->policy == MAC_POLICY_OPEN) + return 0; + + spin_lock_bh(&mac_restrictions->lock); + list_for_each_entry(entry, &mac_restrictions->mac_list, list) { + if (ether_addr_equal(entry->addr, mac)) { + found = 1; + break; + } + } + spin_unlock_bh(&mac_restrictions->lock); + + if (mac_restrictions->policy == MAC_POLICY_ALLOW) + return !found; + else + return found; +} + + +void ap_control_flush_macs(struct mac_restrictions *mac_restrictions) +{ + struct list_head *ptr, *n; + struct mac_entry *entry; + + if (mac_restrictions->entries == 0) + return; + + spin_lock_bh(&mac_restrictions->lock); + for (ptr = mac_restrictions->mac_list.next, n = ptr->next; + ptr != &mac_restrictions->mac_list; + ptr = n, n = ptr->next) { + entry = list_entry(ptr, struct mac_entry, list); + list_del(ptr); + kfree(entry); + } + mac_restrictions->entries = 0; + spin_unlock_bh(&mac_restrictions->lock); +} + + +int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac) +{ + struct sta_info *sta; + __le16 resp; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, mac); + if (sta) { + ap_sta_hash_del(ap, sta); + list_del(&sta->list); + } + spin_unlock_bh(&ap->sta_table_lock); + + if (!sta) + return -EINVAL; + + resp = cpu_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID); + prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH, + (char *) &resp, 2, sta->addr, 0); + + if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap) + hostap_event_expired_sta(dev, sta); + + ap_free_sta(ap, sta); + + return 0; +} + +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +void ap_control_kickall(struct ap_data *ap) +{ + struct list_head *ptr, *n; + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + for (ptr = ap->sta_list.next, n = ptr->next; ptr != &ap->sta_list; + ptr = n, n = ptr->next) { + sta = list_entry(ptr, struct sta_info, list); + ap_sta_hash_del(ap, sta); + list_del(&sta->list); + if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) + hostap_event_expired_sta(sta->local->dev, sta); + ap_free_sta(ap, sta); + } + spin_unlock_bh(&ap->sta_table_lock); +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + +static int prism2_ap_proc_show(struct seq_file *m, void *v) +{ + struct sta_info *sta = v; + int i; + + if (v == SEQ_START_TOKEN) { + seq_printf(m, "# BSSID CHAN SIGNAL NOISE RATE SSID FLAGS\n"); + return 0; + } + + if (!sta->ap) + return 0; + + seq_printf(m, "%pM %d %d %d %d '", + sta->addr, + sta->u.ap.channel, sta->last_rx_signal, + sta->last_rx_silence, sta->last_rx_rate); + + for (i = 0; i < sta->u.ap.ssid_len; i++) { + if (sta->u.ap.ssid[i] >= 32 && sta->u.ap.ssid[i] < 127) + seq_putc(m, sta->u.ap.ssid[i]); + else + seq_printf(m, "<%02x>", sta->u.ap.ssid[i]); + } + + seq_putc(m, '\''); + if (sta->capability & WLAN_CAPABILITY_ESS) + seq_puts(m, " [ESS]"); + if (sta->capability & WLAN_CAPABILITY_IBSS) + seq_puts(m, " [IBSS]"); + if (sta->capability & WLAN_CAPABILITY_PRIVACY) + seq_puts(m, " [WEP]"); + seq_putc(m, '\n'); + return 0; +} + +static void *prism2_ap_proc_start(struct seq_file *m, loff_t *_pos) +{ + struct ap_data *ap = m->private; + spin_lock_bh(&ap->sta_table_lock); + return seq_list_start_head(&ap->sta_list, *_pos); +} + +static void *prism2_ap_proc_next(struct seq_file *m, void *v, loff_t *_pos) +{ + struct ap_data *ap = m->private; + return seq_list_next(v, &ap->sta_list, _pos); +} + +static void prism2_ap_proc_stop(struct seq_file *m, void *v) +{ + struct ap_data *ap = m->private; + spin_unlock_bh(&ap->sta_table_lock); +} + +static const struct seq_operations prism2_ap_proc_seqops = { + .start = prism2_ap_proc_start, + .next = prism2_ap_proc_next, + .stop = prism2_ap_proc_stop, + .show = prism2_ap_proc_show, +}; + +static int prism2_ap_proc_open(struct inode *inode, struct file *file) +{ + int ret = seq_open(file, &prism2_ap_proc_seqops); + if (ret == 0) { + struct seq_file *m = file->private_data; + m->private = PDE_DATA(inode); + } + return ret; +} + +static const struct file_operations prism2_ap_proc_fops = { + .open = prism2_ap_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver) +{ + if (!ap) + return; + + if (sta_fw_ver == PRISM2_FW_VER(0,8,0)) { + PDEBUG(DEBUG_AP, "Using data::nullfunc ACK workaround - " + "firmware upgrade recommended\n"); + ap->nullfunc_ack = 1; + } else + ap->nullfunc_ack = 0; + + if (sta_fw_ver == PRISM2_FW_VER(1,4,2)) { + printk(KERN_WARNING "%s: Warning: secondary station firmware " + "version 1.4.2 does not seem to work in Host AP mode\n", + ap->local->dev->name); + } +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_ap_tx_cb(struct sk_buff *skb, int ok, void *data) +{ + struct ap_data *ap = data; + struct ieee80211_hdr *hdr; + + if (!ap->local->hostapd || !ap->local->apdev) { + dev_kfree_skb(skb); + return; + } + + /* Pass the TX callback frame to the hostapd; use 802.11 header version + * 1 to indicate failure (no ACK) and 2 success (frame ACKed) */ + + hdr = (struct ieee80211_hdr *) skb->data; + hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_VERS); + hdr->frame_control |= cpu_to_le16(ok ? BIT(1) : BIT(0)); + + skb->dev = ap->local->apdev; + skb_pull(skb, hostap_80211_get_hdrlen(hdr->frame_control)); + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = cpu_to_be16(ETH_P_802_2); + memset(skb->cb, 0, sizeof(skb->cb)); + netif_rx(skb); +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT +/* Called only as a tasklet (software IRQ) */ +static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data) +{ + struct ap_data *ap = data; + struct net_device *dev = ap->local->dev; + struct ieee80211_hdr *hdr; + u16 auth_alg, auth_transaction, status; + __le16 *pos; + struct sta_info *sta = NULL; + char *txt = NULL; + + if (ap->local->hostapd) { + dev_kfree_skb(skb); + return; + } + + hdr = (struct ieee80211_hdr *) skb->data; + if (!ieee80211_is_auth(hdr->frame_control) || + skb->len < IEEE80211_MGMT_HDR_LEN + 6) { + printk(KERN_DEBUG "%s: hostap_ap_tx_cb_auth received invalid " + "frame\n", dev->name); + dev_kfree_skb(skb); + return; + } + + pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); + auth_alg = le16_to_cpu(*pos++); + auth_transaction = le16_to_cpu(*pos++); + status = le16_to_cpu(*pos++); + + if (!ok) { + txt = "frame was not ACKed"; + goto done; + } + + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, hdr->addr1); + if (sta) + atomic_inc(&sta->users); + spin_unlock(&ap->sta_table_lock); + + if (!sta) { + txt = "STA not found"; + goto done; + } + + if (status == WLAN_STATUS_SUCCESS && + ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 2) || + (auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 4))) { + txt = "STA authenticated"; + sta->flags |= WLAN_STA_AUTH; + sta->last_auth = jiffies; + } else if (status != WLAN_STATUS_SUCCESS) + txt = "authentication failed"; + + done: + if (sta) + atomic_dec(&sta->users); + if (txt) { + PDEBUG(DEBUG_AP, "%s: %pM auth_cb - alg=%d " + "trans#=%d status=%d - %s\n", + dev->name, hdr->addr1, + auth_alg, auth_transaction, status, txt); + } + dev_kfree_skb(skb); +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) +{ + struct ap_data *ap = data; + struct net_device *dev = ap->local->dev; + struct ieee80211_hdr *hdr; + u16 status; + __le16 *pos; + struct sta_info *sta = NULL; + char *txt = NULL; + + if (ap->local->hostapd) { + dev_kfree_skb(skb); + return; + } + + hdr = (struct ieee80211_hdr *) skb->data; + if ((!ieee80211_is_assoc_resp(hdr->frame_control) && + !ieee80211_is_reassoc_resp(hdr->frame_control)) || + skb->len < IEEE80211_MGMT_HDR_LEN + 4) { + printk(KERN_DEBUG "%s: hostap_ap_tx_cb_assoc received invalid " + "frame\n", dev->name); + dev_kfree_skb(skb); + return; + } + + if (!ok) { + txt = "frame was not ACKed"; + goto done; + } + + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, hdr->addr1); + if (sta) + atomic_inc(&sta->users); + spin_unlock(&ap->sta_table_lock); + + if (!sta) { + txt = "STA not found"; + goto done; + } + + pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); + pos++; + status = le16_to_cpu(*pos++); + if (status == WLAN_STATUS_SUCCESS) { + if (!(sta->flags & WLAN_STA_ASSOC)) + hostap_event_new_sta(dev, sta); + txt = "STA associated"; + sta->flags |= WLAN_STA_ASSOC; + sta->last_assoc = jiffies; + } else + txt = "association failed"; + + done: + if (sta) + atomic_dec(&sta->users); + if (txt) { + PDEBUG(DEBUG_AP, "%s: %pM assoc_cb - %s\n", + dev->name, hdr->addr1, txt); + } + dev_kfree_skb(skb); +} + +/* Called only as a tasklet (software IRQ); TX callback for poll frames used + * in verifying whether the STA is still present. */ +static void hostap_ap_tx_cb_poll(struct sk_buff *skb, int ok, void *data) +{ + struct ap_data *ap = data; + struct ieee80211_hdr *hdr; + struct sta_info *sta; + + if (skb->len < 24) + goto fail; + hdr = (struct ieee80211_hdr *) skb->data; + if (ok) { + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, hdr->addr1); + if (sta) + sta->flags &= ~WLAN_STA_PENDING_POLL; + spin_unlock(&ap->sta_table_lock); + } else { + PDEBUG(DEBUG_AP, + "%s: STA %pM did not ACK activity poll frame\n", + ap->local->dev->name, hdr->addr1); + } + + fail: + dev_kfree_skb(skb); +} +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +void hostap_init_data(local_info_t *local) +{ + struct ap_data *ap = local->ap; + + if (ap == NULL) { + printk(KERN_WARNING "hostap_init_data: ap == NULL\n"); + return; + } + memset(ap, 0, sizeof(struct ap_data)); + ap->local = local; + + ap->ap_policy = GET_INT_PARM(other_ap_policy, local->card_idx); + ap->bridge_packets = GET_INT_PARM(ap_bridge_packets, local->card_idx); + ap->max_inactivity = + GET_INT_PARM(ap_max_inactivity, local->card_idx) * HZ; + ap->autom_ap_wds = GET_INT_PARM(autom_ap_wds, local->card_idx); + + spin_lock_init(&ap->sta_table_lock); + INIT_LIST_HEAD(&ap->sta_list); + + /* Initialize task queue structure for AP management */ + INIT_WORK(&local->ap->add_sta_proc_queue, handle_add_proc_queue); + + ap->tx_callback_idx = + hostap_tx_callback_register(local, hostap_ap_tx_cb, ap); + if (ap->tx_callback_idx == 0) + printk(KERN_WARNING "%s: failed to register TX callback for " + "AP\n", local->dev->name); +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + INIT_WORK(&local->ap->wds_oper_queue, handle_wds_oper_queue); + + ap->tx_callback_auth = + hostap_tx_callback_register(local, hostap_ap_tx_cb_auth, ap); + ap->tx_callback_assoc = + hostap_tx_callback_register(local, hostap_ap_tx_cb_assoc, ap); + ap->tx_callback_poll = + hostap_tx_callback_register(local, hostap_ap_tx_cb_poll, ap); + if (ap->tx_callback_auth == 0 || ap->tx_callback_assoc == 0 || + ap->tx_callback_poll == 0) + printk(KERN_WARNING "%s: failed to register TX callback for " + "AP\n", local->dev->name); + + spin_lock_init(&ap->mac_restrictions.lock); + INIT_LIST_HEAD(&ap->mac_restrictions.mac_list); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + ap->initialized = 1; +} + + +void hostap_init_ap_proc(local_info_t *local) +{ + struct ap_data *ap = local->ap; + + ap->proc = local->proc; + if (ap->proc == NULL) + return; + +#ifndef PRISM2_NO_PROCFS_DEBUG + proc_create_data("ap_debug", 0, ap->proc, &ap_debug_proc_fops, ap); +#endif /* PRISM2_NO_PROCFS_DEBUG */ + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + proc_create_data("ap_control", 0, ap->proc, &ap_control_proc_fops, ap); + proc_create_data("ap", 0, ap->proc, &prism2_ap_proc_fops, ap); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + +} + + +void hostap_free_data(struct ap_data *ap) +{ + struct sta_info *n, *sta; + + if (ap == NULL || !ap->initialized) { + printk(KERN_DEBUG "hostap_free_data: ap has not yet been " + "initialized - skip resource freeing\n"); + return; + } + + flush_work(&ap->add_sta_proc_queue); + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + flush_work(&ap->wds_oper_queue); + if (ap->crypt) + ap->crypt->deinit(ap->crypt_priv); + ap->crypt = ap->crypt_priv = NULL; +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + list_for_each_entry_safe(sta, n, &ap->sta_list, list) { + ap_sta_hash_del(ap, sta); + list_del(&sta->list); + if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) + hostap_event_expired_sta(sta->local->dev, sta); + ap_free_sta(ap, sta); + } + +#ifndef PRISM2_NO_PROCFS_DEBUG + if (ap->proc != NULL) { + remove_proc_entry("ap_debug", ap->proc); + } +#endif /* PRISM2_NO_PROCFS_DEBUG */ + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (ap->proc != NULL) { + remove_proc_entry("ap", ap->proc); + remove_proc_entry("ap_control", ap->proc); + } + ap_control_flush_macs(&ap->mac_restrictions); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + ap->initialized = 0; +} + + +/* caller should have mutex for AP STA list handling */ +static struct sta_info* ap_get_sta(struct ap_data *ap, u8 *sta) +{ + struct sta_info *s; + + s = ap->sta_hash[STA_HASH(sta)]; + while (s != NULL && !ether_addr_equal(s->addr, sta)) + s = s->hnext; + return s; +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + +/* Called from timer handler and from scheduled AP queue handlers */ +static void prism2_send_mgmt(struct net_device *dev, + u16 type_subtype, char *body, + int body_len, u8 *addr, u16 tx_cb_idx) +{ + struct hostap_interface *iface; + local_info_t *local; + struct ieee80211_hdr *hdr; + u16 fc; + struct sk_buff *skb; + struct hostap_skb_tx_data *meta; + int hdrlen; + + iface = netdev_priv(dev); + local = iface->local; + dev = local->dev; /* always use master radio device */ + iface = netdev_priv(dev); + + if (!(dev->flags & IFF_UP)) { + PDEBUG(DEBUG_AP, "%s: prism2_send_mgmt - device is not UP - " + "cannot send frame\n", dev->name); + return; + } + + skb = dev_alloc_skb(sizeof(*hdr) + body_len); + if (skb == NULL) { + PDEBUG(DEBUG_AP, "%s: prism2_send_mgmt failed to allocate " + "skb\n", dev->name); + return; + } + + fc = type_subtype; + hdrlen = hostap_80211_get_hdrlen(cpu_to_le16(type_subtype)); + hdr = (struct ieee80211_hdr *) skb_put(skb, hdrlen); + if (body) + memcpy(skb_put(skb, body_len), body, body_len); + + memset(hdr, 0, hdrlen); + + /* FIX: ctrl::ack sending used special HFA384X_TX_CTRL_802_11 + * tx_control instead of using local->tx_control */ + + + memcpy(hdr->addr1, addr, ETH_ALEN); /* DA / RA */ + if (ieee80211_is_data(hdr->frame_control)) { + fc |= IEEE80211_FCTL_FROMDS; + memcpy(hdr->addr2, dev->dev_addr, ETH_ALEN); /* BSSID */ + memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* SA */ + } else if (ieee80211_is_ctl(hdr->frame_control)) { + /* control:ACK does not have addr2 or addr3 */ + eth_zero_addr(hdr->addr2); + eth_zero_addr(hdr->addr3); + } else { + memcpy(hdr->addr2, dev->dev_addr, ETH_ALEN); /* SA */ + memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* BSSID */ + } + + hdr->frame_control = cpu_to_le16(fc); + + meta = (struct hostap_skb_tx_data *) skb->cb; + memset(meta, 0, sizeof(*meta)); + meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; + meta->iface = iface; + meta->tx_cb_idx = tx_cb_idx; + + skb->dev = dev; + skb_reset_mac_header(skb); + skb_reset_network_header(skb); + dev_queue_xmit(skb); +} +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +static int prism2_sta_proc_show(struct seq_file *m, void *v) +{ + struct sta_info *sta = m->private; + int i; + + /* FIX: possible race condition.. the STA data could have just expired, + * but proc entry was still here so that the read could have started; + * some locking should be done here.. */ + + seq_printf(m, + "%s=%pM\nusers=%d\naid=%d\n" + "flags=0x%04x%s%s%s%s%s%s%s\n" + "capability=0x%02x\nlisten_interval=%d\nsupported_rates=", + sta->ap ? "AP" : "STA", + sta->addr, atomic_read(&sta->users), sta->aid, + sta->flags, + sta->flags & WLAN_STA_AUTH ? " AUTH" : "", + sta->flags & WLAN_STA_ASSOC ? " ASSOC" : "", + sta->flags & WLAN_STA_PS ? " PS" : "", + sta->flags & WLAN_STA_TIM ? " TIM" : "", + sta->flags & WLAN_STA_PERM ? " PERM" : "", + sta->flags & WLAN_STA_AUTHORIZED ? " AUTHORIZED" : "", + sta->flags & WLAN_STA_PENDING_POLL ? " POLL" : "", + sta->capability, sta->listen_interval); + /* supported_rates: 500 kbit/s units with msb ignored */ + for (i = 0; i < sizeof(sta->supported_rates); i++) + if (sta->supported_rates[i] != 0) + seq_printf(m, "%d%sMbps ", + (sta->supported_rates[i] & 0x7f) / 2, + sta->supported_rates[i] & 1 ? ".5" : ""); + seq_printf(m, + "\njiffies=%lu\nlast_auth=%lu\nlast_assoc=%lu\n" + "last_rx=%lu\nlast_tx=%lu\nrx_packets=%lu\n" + "tx_packets=%lu\n" + "rx_bytes=%lu\ntx_bytes=%lu\nbuffer_count=%d\n" + "last_rx: silence=%d dBm signal=%d dBm rate=%d%s Mbps\n" + "tx_rate=%d\ntx[1M]=%d\ntx[2M]=%d\ntx[5.5M]=%d\n" + "tx[11M]=%d\n" + "rx[1M]=%d\nrx[2M]=%d\nrx[5.5M]=%d\nrx[11M]=%d\n", + jiffies, sta->last_auth, sta->last_assoc, sta->last_rx, + sta->last_tx, + sta->rx_packets, sta->tx_packets, sta->rx_bytes, + sta->tx_bytes, skb_queue_len(&sta->tx_buf), + sta->last_rx_silence, + sta->last_rx_signal, sta->last_rx_rate / 10, + sta->last_rx_rate % 10 ? ".5" : "", + sta->tx_rate, sta->tx_count[0], sta->tx_count[1], + sta->tx_count[2], sta->tx_count[3], sta->rx_count[0], + sta->rx_count[1], sta->rx_count[2], sta->rx_count[3]); + if (sta->crypt && sta->crypt->ops && sta->crypt->ops->print_stats) + sta->crypt->ops->print_stats(m, sta->crypt->priv); +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (sta->ap) { + if (sta->u.ap.channel >= 0) + seq_printf(m, "channel=%d\n", sta->u.ap.channel); + seq_puts(m, "ssid="); + for (i = 0; i < sta->u.ap.ssid_len; i++) { + if (sta->u.ap.ssid[i] >= 32 && sta->u.ap.ssid[i] < 127) + seq_putc(m, sta->u.ap.ssid[i]); + else + seq_printf(m, "<%02x>", sta->u.ap.ssid[i]); + } + seq_putc(m, '\n'); + } +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + return 0; +} + +static int prism2_sta_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, prism2_sta_proc_show, PDE_DATA(inode)); +} + +static const struct file_operations prism2_sta_proc_fops = { + .open = prism2_sta_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void handle_add_proc_queue(struct work_struct *work) +{ + struct ap_data *ap = container_of(work, struct ap_data, + add_sta_proc_queue); + struct sta_info *sta; + char name[20]; + struct add_sta_proc_data *entry, *prev; + + entry = ap->add_sta_proc_entries; + ap->add_sta_proc_entries = NULL; + + while (entry) { + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, entry->addr); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&ap->sta_table_lock); + + if (sta) { + sprintf(name, "%pM", sta->addr); + sta->proc = proc_create_data( + name, 0, ap->proc, + &prism2_sta_proc_fops, sta); + + atomic_dec(&sta->users); + } + + prev = entry; + entry = entry->next; + kfree(prev); + } +} + + +static struct sta_info * ap_add_sta(struct ap_data *ap, u8 *addr) +{ + struct sta_info *sta; + + sta = kzalloc(sizeof(struct sta_info), GFP_ATOMIC); + if (sta == NULL) { + PDEBUG(DEBUG_AP, "AP: kmalloc failed\n"); + return NULL; + } + + /* initialize STA info data */ + sta->local = ap->local; + skb_queue_head_init(&sta->tx_buf); + memcpy(sta->addr, addr, ETH_ALEN); + + atomic_inc(&sta->users); + spin_lock_bh(&ap->sta_table_lock); + list_add(&sta->list, &ap->sta_list); + ap->num_sta++; + ap_sta_hash_add(ap, sta); + spin_unlock_bh(&ap->sta_table_lock); + + if (ap->proc) { + struct add_sta_proc_data *entry; + /* schedule a non-interrupt context process to add a procfs + * entry for the STA since procfs code use GFP_KERNEL */ + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); + if (entry) { + memcpy(entry->addr, sta->addr, ETH_ALEN); + entry->next = ap->add_sta_proc_entries; + ap->add_sta_proc_entries = entry; + schedule_work(&ap->add_sta_proc_queue); + } else + printk(KERN_DEBUG "Failed to add STA proc data\n"); + } + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + init_timer(&sta->timer); + sta->timer.expires = jiffies + ap->max_inactivity; + sta->timer.data = (unsigned long) sta; + sta->timer.function = ap_handle_timer; + if (!ap->local->hostapd) + add_timer(&sta->timer); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + return sta; +} + + +static int ap_tx_rate_ok(int rateidx, struct sta_info *sta, + local_info_t *local) +{ + if (rateidx > sta->tx_max_rate || + !(sta->tx_supp_rates & (1 << rateidx))) + return 0; + + if (local->tx_rate_control != 0 && + !(local->tx_rate_control & (1 << rateidx))) + return 0; + + return 1; +} + + +static void prism2_check_tx_rates(struct sta_info *sta) +{ + int i; + + sta->tx_supp_rates = 0; + for (i = 0; i < sizeof(sta->supported_rates); i++) { + if ((sta->supported_rates[i] & 0x7f) == 2) + sta->tx_supp_rates |= WLAN_RATE_1M; + if ((sta->supported_rates[i] & 0x7f) == 4) + sta->tx_supp_rates |= WLAN_RATE_2M; + if ((sta->supported_rates[i] & 0x7f) == 11) + sta->tx_supp_rates |= WLAN_RATE_5M5; + if ((sta->supported_rates[i] & 0x7f) == 22) + sta->tx_supp_rates |= WLAN_RATE_11M; + } + sta->tx_max_rate = sta->tx_rate = sta->tx_rate_idx = 0; + if (sta->tx_supp_rates & WLAN_RATE_1M) { + sta->tx_max_rate = 0; + if (ap_tx_rate_ok(0, sta, sta->local)) { + sta->tx_rate = 10; + sta->tx_rate_idx = 0; + } + } + if (sta->tx_supp_rates & WLAN_RATE_2M) { + sta->tx_max_rate = 1; + if (ap_tx_rate_ok(1, sta, sta->local)) { + sta->tx_rate = 20; + sta->tx_rate_idx = 1; + } + } + if (sta->tx_supp_rates & WLAN_RATE_5M5) { + sta->tx_max_rate = 2; + if (ap_tx_rate_ok(2, sta, sta->local)) { + sta->tx_rate = 55; + sta->tx_rate_idx = 2; + } + } + if (sta->tx_supp_rates & WLAN_RATE_11M) { + sta->tx_max_rate = 3; + if (ap_tx_rate_ok(3, sta, sta->local)) { + sta->tx_rate = 110; + sta->tx_rate_idx = 3; + } + } +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + +static void ap_crypt_init(struct ap_data *ap) +{ + ap->crypt = lib80211_get_crypto_ops("WEP"); + + if (ap->crypt) { + if (ap->crypt->init) { + ap->crypt_priv = ap->crypt->init(0); + if (ap->crypt_priv == NULL) + ap->crypt = NULL; + else { + u8 key[WEP_KEY_LEN]; + get_random_bytes(key, WEP_KEY_LEN); + ap->crypt->set_key(key, WEP_KEY_LEN, NULL, + ap->crypt_priv); + } + } + } + + if (ap->crypt == NULL) { + printk(KERN_WARNING "AP could not initialize WEP: load module " + "lib80211_crypt_wep.ko\n"); + } +} + + +/* Generate challenge data for shared key authentication. IEEE 802.11 specifies + * that WEP algorithm is used for generating challenge. This should be unique, + * but otherwise there is not really need for randomness etc. Initialize WEP + * with pseudo random key and then use increasing IV to get unique challenge + * streams. + * + * Called only as a scheduled task for pending AP frames. + */ +static char * ap_auth_make_challenge(struct ap_data *ap) +{ + char *tmpbuf; + struct sk_buff *skb; + + if (ap->crypt == NULL) { + ap_crypt_init(ap); + if (ap->crypt == NULL) + return NULL; + } + + tmpbuf = kmalloc(WLAN_AUTH_CHALLENGE_LEN, GFP_ATOMIC); + if (tmpbuf == NULL) { + PDEBUG(DEBUG_AP, "AP: kmalloc failed for challenge\n"); + return NULL; + } + + skb = dev_alloc_skb(WLAN_AUTH_CHALLENGE_LEN + + ap->crypt->extra_mpdu_prefix_len + + ap->crypt->extra_mpdu_postfix_len); + if (skb == NULL) { + kfree(tmpbuf); + return NULL; + } + + skb_reserve(skb, ap->crypt->extra_mpdu_prefix_len); + memset(skb_put(skb, WLAN_AUTH_CHALLENGE_LEN), 0, + WLAN_AUTH_CHALLENGE_LEN); + if (ap->crypt->encrypt_mpdu(skb, 0, ap->crypt_priv)) { + dev_kfree_skb(skb); + kfree(tmpbuf); + return NULL; + } + + skb_copy_from_linear_data_offset(skb, ap->crypt->extra_mpdu_prefix_len, + tmpbuf, WLAN_AUTH_CHALLENGE_LEN); + dev_kfree_skb(skb); + + return tmpbuf; +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void handle_authen(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct net_device *dev = local->dev; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + size_t hdrlen; + struct ap_data *ap = local->ap; + char body[8 + WLAN_AUTH_CHALLENGE_LEN], *challenge = NULL; + int len, olen; + u16 auth_alg, auth_transaction, status_code; + __le16 *pos; + u16 resp = WLAN_STATUS_SUCCESS; + struct sta_info *sta = NULL; + struct lib80211_crypt_data *crypt; + char *txt = ""; + + len = skb->len - IEEE80211_MGMT_HDR_LEN; + + hdrlen = hostap_80211_get_hdrlen(hdr->frame_control); + + if (len < 6) { + PDEBUG(DEBUG_AP, "%s: handle_authen - too short payload " + "(len=%d) from %pM\n", dev->name, len, hdr->addr2); + return; + } + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&local->ap->sta_table_lock); + + if (sta && sta->crypt) + crypt = sta->crypt; + else { + int idx = 0; + if (skb->len >= hdrlen + 3) + idx = skb->data[hdrlen + 3] >> 6; + crypt = local->crypt_info.crypt[idx]; + } + + pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); + auth_alg = __le16_to_cpu(*pos); + pos++; + auth_transaction = __le16_to_cpu(*pos); + pos++; + status_code = __le16_to_cpu(*pos); + pos++; + + if (ether_addr_equal(dev->dev_addr, hdr->addr2) || + ap_control_mac_deny(&ap->mac_restrictions, hdr->addr2)) { + txt = "authentication denied"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + + if (((local->auth_algs & PRISM2_AUTH_OPEN) && + auth_alg == WLAN_AUTH_OPEN) || + ((local->auth_algs & PRISM2_AUTH_SHARED_KEY) && + crypt && auth_alg == WLAN_AUTH_SHARED_KEY)) { + } else { + txt = "unsupported algorithm"; + resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; + goto fail; + } + + if (len >= 8) { + u8 *u = (u8 *) pos; + if (*u == WLAN_EID_CHALLENGE) { + if (*(u + 1) != WLAN_AUTH_CHALLENGE_LEN) { + txt = "invalid challenge len"; + resp = WLAN_STATUS_CHALLENGE_FAIL; + goto fail; + } + if (len - 8 < WLAN_AUTH_CHALLENGE_LEN) { + txt = "challenge underflow"; + resp = WLAN_STATUS_CHALLENGE_FAIL; + goto fail; + } + challenge = (char *) (u + 2); + } + } + + if (sta && sta->ap) { + if (time_after(jiffies, sta->u.ap.last_beacon + + (10 * sta->listen_interval * HZ) / 1024)) { + PDEBUG(DEBUG_AP, "%s: no beacons received for a while," + " assuming AP %pM is now STA\n", + dev->name, sta->addr); + sta->ap = 0; + sta->flags = 0; + sta->u.sta.challenge = NULL; + } else { + txt = "AP trying to authenticate?"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + } + + if ((auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1) || + (auth_alg == WLAN_AUTH_SHARED_KEY && + (auth_transaction == 1 || + (auth_transaction == 3 && sta != NULL && + sta->u.sta.challenge != NULL)))) { + } else { + txt = "unknown authentication transaction number"; + resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; + goto fail; + } + + if (sta == NULL) { + txt = "new STA"; + + if (local->ap->num_sta >= MAX_STA_COUNT) { + /* FIX: might try to remove some old STAs first? */ + txt = "no more room for new STAs"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + + sta = ap_add_sta(local->ap, hdr->addr2); + if (sta == NULL) { + txt = "ap_add_sta failed"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + } + + switch (auth_alg) { + case WLAN_AUTH_OPEN: + txt = "authOK"; + /* IEEE 802.11 standard is not completely clear about + * whether STA is considered authenticated after + * authentication OK frame has been send or after it + * has been ACKed. In order to reduce interoperability + * issues, mark the STA authenticated before ACK. */ + sta->flags |= WLAN_STA_AUTH; + break; + + case WLAN_AUTH_SHARED_KEY: + if (auth_transaction == 1) { + if (sta->u.sta.challenge == NULL) { + sta->u.sta.challenge = + ap_auth_make_challenge(local->ap); + if (sta->u.sta.challenge == NULL) { + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + } + } else { + if (sta->u.sta.challenge == NULL || + challenge == NULL || + memcmp(sta->u.sta.challenge, challenge, + WLAN_AUTH_CHALLENGE_LEN) != 0 || + !ieee80211_has_protected(hdr->frame_control)) { + txt = "challenge response incorrect"; + resp = WLAN_STATUS_CHALLENGE_FAIL; + goto fail; + } + + txt = "challenge OK - authOK"; + /* IEEE 802.11 standard is not completely clear about + * whether STA is considered authenticated after + * authentication OK frame has been send or after it + * has been ACKed. In order to reduce interoperability + * issues, mark the STA authenticated before ACK. */ + sta->flags |= WLAN_STA_AUTH; + kfree(sta->u.sta.challenge); + sta->u.sta.challenge = NULL; + } + break; + } + + fail: + pos = (__le16 *) body; + *pos = cpu_to_le16(auth_alg); + pos++; + *pos = cpu_to_le16(auth_transaction + 1); + pos++; + *pos = cpu_to_le16(resp); /* status_code */ + pos++; + olen = 6; + + if (resp == WLAN_STATUS_SUCCESS && sta != NULL && + sta->u.sta.challenge != NULL && + auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 1) { + u8 *tmp = (u8 *) pos; + *tmp++ = WLAN_EID_CHALLENGE; + *tmp++ = WLAN_AUTH_CHALLENGE_LEN; + pos++; + memcpy(pos, sta->u.sta.challenge, WLAN_AUTH_CHALLENGE_LEN); + olen += 2 + WLAN_AUTH_CHALLENGE_LEN; + } + + prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH, + body, olen, hdr->addr2, ap->tx_callback_auth); + + if (sta) { + sta->last_rx = jiffies; + atomic_dec(&sta->users); + } + + if (resp) { + PDEBUG(DEBUG_AP, "%s: %pM auth (alg=%d " + "trans#=%d stat=%d len=%d fc=%04x) ==> %d (%s)\n", + dev->name, hdr->addr2, + auth_alg, auth_transaction, status_code, len, + le16_to_cpu(hdr->frame_control), resp, txt); + } +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void handle_assoc(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats, int reassoc) +{ + struct net_device *dev = local->dev; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + char body[12], *p, *lpos; + int len, left; + __le16 *pos; + u16 resp = WLAN_STATUS_SUCCESS; + struct sta_info *sta = NULL; + int send_deauth = 0; + char *txt = ""; + u8 prev_ap[ETH_ALEN]; + + left = len = skb->len - IEEE80211_MGMT_HDR_LEN; + + if (len < (reassoc ? 10 : 4)) { + PDEBUG(DEBUG_AP, "%s: handle_assoc - too short payload " + "(len=%d, reassoc=%d) from %pM\n", + dev->name, len, reassoc, hdr->addr2); + return; + } + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) { + spin_unlock_bh(&local->ap->sta_table_lock); + txt = "trying to associate before authentication"; + send_deauth = 1; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + sta = NULL; /* do not decrement sta->users */ + goto fail; + } + atomic_inc(&sta->users); + spin_unlock_bh(&local->ap->sta_table_lock); + + pos = (__le16 *) (skb->data + IEEE80211_MGMT_HDR_LEN); + sta->capability = __le16_to_cpu(*pos); + pos++; left -= 2; + sta->listen_interval = __le16_to_cpu(*pos); + pos++; left -= 2; + + if (reassoc) { + memcpy(prev_ap, pos, ETH_ALEN); + pos++; pos++; pos++; left -= 6; + } else + eth_zero_addr(prev_ap); + + if (left >= 2) { + unsigned int ileft; + unsigned char *u = (unsigned char *) pos; + + if (*u == WLAN_EID_SSID) { + u++; left--; + ileft = *u; + u++; left--; + + if (ileft > left || ileft > MAX_SSID_LEN) { + txt = "SSID overflow"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + + if (ileft != strlen(local->essid) || + memcmp(local->essid, u, ileft) != 0) { + txt = "not our SSID"; + resp = WLAN_STATUS_ASSOC_DENIED_UNSPEC; + goto fail; + } + + u += ileft; + left -= ileft; + } + + if (left >= 2 && *u == WLAN_EID_SUPP_RATES) { + u++; left--; + ileft = *u; + u++; left--; + + if (ileft > left || ileft == 0 || + ileft > WLAN_SUPP_RATES_MAX) { + txt = "SUPP_RATES len error"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + + memset(sta->supported_rates, 0, + sizeof(sta->supported_rates)); + memcpy(sta->supported_rates, u, ileft); + prism2_check_tx_rates(sta); + + u += ileft; + left -= ileft; + } + + if (left > 0) { + PDEBUG(DEBUG_AP, "%s: assoc from %pM" + " with extra data (%d bytes) [", + dev->name, hdr->addr2, left); + while (left > 0) { + PDEBUG2(DEBUG_AP, "<%02x>", *u); + u++; left--; + } + PDEBUG2(DEBUG_AP, "]\n"); + } + } else { + txt = "frame underflow"; + resp = WLAN_STATUS_UNSPECIFIED_FAILURE; + goto fail; + } + + /* get a unique AID */ + if (sta->aid > 0) + txt = "OK, old AID"; + else { + spin_lock_bh(&local->ap->sta_table_lock); + for (sta->aid = 1; sta->aid <= MAX_AID_TABLE_SIZE; sta->aid++) + if (local->ap->sta_aid[sta->aid - 1] == NULL) + break; + if (sta->aid > MAX_AID_TABLE_SIZE) { + sta->aid = 0; + spin_unlock_bh(&local->ap->sta_table_lock); + resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; + txt = "no room for more AIDs"; + } else { + local->ap->sta_aid[sta->aid - 1] = sta; + spin_unlock_bh(&local->ap->sta_table_lock); + txt = "OK, new AID"; + } + } + + fail: + pos = (__le16 *) body; + + if (send_deauth) { + *pos = cpu_to_le16(WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH); + pos++; + } else { + /* FIX: CF-Pollable and CF-PollReq should be set to match the + * values in beacons/probe responses */ + /* FIX: how about privacy and WEP? */ + /* capability */ + *pos = cpu_to_le16(WLAN_CAPABILITY_ESS); + pos++; + + /* status_code */ + *pos = cpu_to_le16(resp); + pos++; + + *pos = cpu_to_le16((sta && sta->aid > 0 ? sta->aid : 0) | + BIT(14) | BIT(15)); /* AID */ + pos++; + + /* Supported rates (Information element) */ + p = (char *) pos; + *p++ = WLAN_EID_SUPP_RATES; + lpos = p; + *p++ = 0; /* len */ + if (local->tx_rate_control & WLAN_RATE_1M) { + *p++ = local->basic_rates & WLAN_RATE_1M ? 0x82 : 0x02; + (*lpos)++; + } + if (local->tx_rate_control & WLAN_RATE_2M) { + *p++ = local->basic_rates & WLAN_RATE_2M ? 0x84 : 0x04; + (*lpos)++; + } + if (local->tx_rate_control & WLAN_RATE_5M5) { + *p++ = local->basic_rates & WLAN_RATE_5M5 ? + 0x8b : 0x0b; + (*lpos)++; + } + if (local->tx_rate_control & WLAN_RATE_11M) { + *p++ = local->basic_rates & WLAN_RATE_11M ? + 0x96 : 0x16; + (*lpos)++; + } + pos = (__le16 *) p; + } + + prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | + (send_deauth ? IEEE80211_STYPE_DEAUTH : + (reassoc ? IEEE80211_STYPE_REASSOC_RESP : + IEEE80211_STYPE_ASSOC_RESP)), + body, (u8 *) pos - (u8 *) body, + hdr->addr2, + send_deauth ? 0 : local->ap->tx_callback_assoc); + + if (sta) { + if (resp == WLAN_STATUS_SUCCESS) { + sta->last_rx = jiffies; + /* STA will be marked associated from TX callback, if + * AssocResp is ACKed */ + } + atomic_dec(&sta->users); + } + +#if 0 + PDEBUG(DEBUG_AP, "%s: %pM %sassoc (len=%d " + "prev_ap=%pM) => %d(%d) (%s)\n", + dev->name, + hdr->addr2, + reassoc ? "re" : "", len, + prev_ap, + resp, send_deauth, txt); +#endif +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void handle_deauth(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct net_device *dev = local->dev; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + char *body = (char *) (skb->data + IEEE80211_MGMT_HDR_LEN); + int len; + u16 reason_code; + __le16 *pos; + struct sta_info *sta = NULL; + + len = skb->len - IEEE80211_MGMT_HDR_LEN; + + if (len < 2) { + printk("handle_deauth - too short payload (len=%d)\n", len); + return; + } + + pos = (__le16 *) body; + reason_code = le16_to_cpu(*pos); + + PDEBUG(DEBUG_AP, "%s: deauthentication: %pM len=%d, " + "reason_code=%d\n", dev->name, hdr->addr2, + len, reason_code); + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta != NULL) { + if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap) + hostap_event_expired_sta(local->dev, sta); + sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); + } + spin_unlock_bh(&local->ap->sta_table_lock); + if (sta == NULL) { + printk("%s: deauthentication from %pM, " + "reason_code=%d, but STA not authenticated\n", dev->name, + hdr->addr2, reason_code); + } +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void handle_disassoc(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct net_device *dev = local->dev; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + char *body = skb->data + IEEE80211_MGMT_HDR_LEN; + int len; + u16 reason_code; + __le16 *pos; + struct sta_info *sta = NULL; + + len = skb->len - IEEE80211_MGMT_HDR_LEN; + + if (len < 2) { + printk("handle_disassoc - too short payload (len=%d)\n", len); + return; + } + + pos = (__le16 *) body; + reason_code = le16_to_cpu(*pos); + + PDEBUG(DEBUG_AP, "%s: disassociation: %pM len=%d, " + "reason_code=%d\n", dev->name, hdr->addr2, + len, reason_code); + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta != NULL) { + if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap) + hostap_event_expired_sta(local->dev, sta); + sta->flags &= ~WLAN_STA_ASSOC; + } + spin_unlock_bh(&local->ap->sta_table_lock); + if (sta == NULL) { + printk("%s: disassociation from %pM, " + "reason_code=%d, but STA not authenticated\n", + dev->name, hdr->addr2, reason_code); + } +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void ap_handle_data_nullfunc(local_info_t *local, + struct ieee80211_hdr *hdr) +{ + struct net_device *dev = local->dev; + + /* some STA f/w's seem to require control::ACK frame for + * data::nullfunc, but at least Prism2 station f/w version 0.8.0 does + * not send this.. + * send control::ACK for the data::nullfunc */ + + printk(KERN_DEBUG "Sending control::ACK for data::nullfunc\n"); + prism2_send_mgmt(dev, IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK, + NULL, 0, hdr->addr2, 0); +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void ap_handle_dropped_data(local_info_t *local, + struct ieee80211_hdr *hdr) +{ + struct net_device *dev = local->dev; + struct sta_info *sta; + __le16 reason; + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&local->ap->sta_table_lock); + + if (sta != NULL && (sta->flags & WLAN_STA_ASSOC)) { + PDEBUG(DEBUG_AP, "ap_handle_dropped_data: STA is now okay?\n"); + atomic_dec(&sta->users); + return; + } + + reason = cpu_to_le16(WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA); + prism2_send_mgmt(dev, IEEE80211_FTYPE_MGMT | + ((sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) ? + IEEE80211_STYPE_DEAUTH : IEEE80211_STYPE_DISASSOC), + (char *) &reason, sizeof(reason), hdr->addr2, 0); + + if (sta) + atomic_dec(&sta->users); +} + +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +/* Called only as a scheduled task for pending AP frames. */ +static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta, + struct sk_buff *skb) +{ + struct hostap_skb_tx_data *meta; + + if (!(sta->flags & WLAN_STA_PS)) { + /* Station has moved to non-PS mode, so send all buffered + * frames using normal device queue. */ + dev_queue_xmit(skb); + return; + } + + /* add a flag for hostap_handle_sta_tx() to know that this skb should + * be passed through even though STA is using PS */ + meta = (struct hostap_skb_tx_data *) skb->cb; + meta->flags |= HOSTAP_TX_FLAGS_BUFFERED_FRAME; + if (!skb_queue_empty(&sta->tx_buf)) { + /* indicate to STA that more frames follow */ + meta->flags |= HOSTAP_TX_FLAGS_ADD_MOREDATA; + } + dev_queue_xmit(skb); +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void handle_pspoll(local_info_t *local, + struct ieee80211_hdr *hdr, + struct hostap_80211_rx_status *rx_stats) +{ + struct net_device *dev = local->dev; + struct sta_info *sta; + u16 aid; + struct sk_buff *skb; + + PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=%pM, TA=%pM PWRMGT=%d\n", + hdr->addr1, hdr->addr2, !!ieee80211_has_pm(hdr->frame_control)); + + if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) { + PDEBUG(DEBUG_AP, + "handle_pspoll - addr1(BSSID)=%pM not own MAC\n", + hdr->addr1); + return; + } + + aid = le16_to_cpu(hdr->duration_id); + if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) { + PDEBUG(DEBUG_PS, " PSPOLL and AID[15:14] not set\n"); + return; + } + aid &= ~(BIT(15) | BIT(14)); + if (aid == 0 || aid > MAX_AID_TABLE_SIZE) { + PDEBUG(DEBUG_PS, " invalid aid=%d\n", aid); + return; + } + PDEBUG(DEBUG_PS2, " aid=%d\n", aid); + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&local->ap->sta_table_lock); + + if (sta == NULL) { + PDEBUG(DEBUG_PS, " STA not found\n"); + return; + } + if (sta->aid != aid) { + PDEBUG(DEBUG_PS, " received aid=%i does not match with " + "assoc.aid=%d\n", aid, sta->aid); + return; + } + + /* FIX: todo: + * - add timeout for buffering (clear aid in TIM vector if buffer timed + * out (expiry time must be longer than ListenInterval for + * the corresponding STA; "8802-11: 11.2.1.9 AP aging function" + * - what to do, if buffered, pspolled, and sent frame is not ACKed by + * sta; store buffer for later use and leave TIM aid bit set? use + * TX event to check whether frame was ACKed? + */ + + while ((skb = skb_dequeue(&sta->tx_buf)) != NULL) { + /* send buffered frame .. */ + PDEBUG(DEBUG_PS2, "Sending buffered frame to STA after PS POLL" + " (buffer_count=%d)\n", skb_queue_len(&sta->tx_buf)); + + pspoll_send_buffered(local, sta, skb); + + if (sta->flags & WLAN_STA_PS) { + /* send only one buffered packet per PS Poll */ + /* FIX: should ignore further PS Polls until the + * buffered packet that was just sent is acknowledged + * (Tx or TxExc event) */ + break; + } + } + + if (skb_queue_empty(&sta->tx_buf)) { + /* try to clear aid from TIM */ + if (!(sta->flags & WLAN_STA_TIM)) + PDEBUG(DEBUG_PS2, "Re-unsetting TIM for aid %d\n", + aid); + hostap_set_tim(local, aid, 0); + sta->flags &= ~WLAN_STA_TIM; + } + + atomic_dec(&sta->users); +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + +static void handle_wds_oper_queue(struct work_struct *work) +{ + struct ap_data *ap = container_of(work, struct ap_data, + wds_oper_queue); + local_info_t *local = ap->local; + struct wds_oper_data *entry, *prev; + + spin_lock_bh(&local->lock); + entry = local->ap->wds_oper_entries; + local->ap->wds_oper_entries = NULL; + spin_unlock_bh(&local->lock); + + while (entry) { + PDEBUG(DEBUG_AP, "%s: %s automatic WDS connection " + "to AP %pM\n", + local->dev->name, + entry->type == WDS_ADD ? "adding" : "removing", + entry->addr); + if (entry->type == WDS_ADD) + prism2_wds_add(local, entry->addr, 0); + else if (entry->type == WDS_DEL) + prism2_wds_del(local, entry->addr, 0, 1); + + prev = entry; + entry = entry->next; + kfree(prev); + } +} + + +/* Called only as a scheduled task for pending AP frames. */ +static void handle_beacon(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + char *body = skb->data + IEEE80211_MGMT_HDR_LEN; + int len, left; + u16 beacon_int, capability; + __le16 *pos; + char *ssid = NULL; + unsigned char *supp_rates = NULL; + int ssid_len = 0, supp_rates_len = 0; + struct sta_info *sta = NULL; + int new_sta = 0, channel = -1; + + len = skb->len - IEEE80211_MGMT_HDR_LEN; + + if (len < 8 + 2 + 2) { + printk(KERN_DEBUG "handle_beacon - too short payload " + "(len=%d)\n", len); + return; + } + + pos = (__le16 *) body; + left = len; + + /* Timestamp (8 octets) */ + pos += 4; left -= 8; + /* Beacon interval (2 octets) */ + beacon_int = le16_to_cpu(*pos); + pos++; left -= 2; + /* Capability information (2 octets) */ + capability = le16_to_cpu(*pos); + pos++; left -= 2; + + if (local->ap->ap_policy != AP_OTHER_AP_EVEN_IBSS && + capability & WLAN_CAPABILITY_IBSS) + return; + + if (left >= 2) { + unsigned int ileft; + unsigned char *u = (unsigned char *) pos; + + if (*u == WLAN_EID_SSID) { + u++; left--; + ileft = *u; + u++; left--; + + if (ileft > left || ileft > MAX_SSID_LEN) { + PDEBUG(DEBUG_AP, "SSID: overflow\n"); + return; + } + + if (local->ap->ap_policy == AP_OTHER_AP_SAME_SSID && + (ileft != strlen(local->essid) || + memcmp(local->essid, u, ileft) != 0)) { + /* not our SSID */ + return; + } + + ssid = u; + ssid_len = ileft; + + u += ileft; + left -= ileft; + } + + if (*u == WLAN_EID_SUPP_RATES) { + u++; left--; + ileft = *u; + u++; left--; + + if (ileft > left || ileft == 0 || ileft > 8) { + PDEBUG(DEBUG_AP, " - SUPP_RATES len error\n"); + return; + } + + supp_rates = u; + supp_rates_len = ileft; + + u += ileft; + left -= ileft; + } + + if (*u == WLAN_EID_DS_PARAMS) { + u++; left--; + ileft = *u; + u++; left--; + + if (ileft > left || ileft != 1) { + PDEBUG(DEBUG_AP, " - DS_PARAMS len error\n"); + return; + } + + channel = *u; + + u += ileft; + left -= ileft; + } + } + + spin_lock_bh(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta != NULL) + atomic_inc(&sta->users); + spin_unlock_bh(&local->ap->sta_table_lock); + + if (sta == NULL) { + /* add new AP */ + new_sta = 1; + sta = ap_add_sta(local->ap, hdr->addr2); + if (sta == NULL) { + printk(KERN_INFO "prism2: kmalloc failed for AP " + "data structure\n"); + return; + } + hostap_event_new_sta(local->dev, sta); + + /* mark APs authentication and associated for pseudo ad-hoc + * style communication */ + sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; + + if (local->ap->autom_ap_wds) { + hostap_wds_link_oper(local, sta->addr, WDS_ADD); + } + } + + sta->ap = 1; + if (ssid) { + sta->u.ap.ssid_len = ssid_len; + memcpy(sta->u.ap.ssid, ssid, ssid_len); + sta->u.ap.ssid[ssid_len] = '\0'; + } else { + sta->u.ap.ssid_len = 0; + sta->u.ap.ssid[0] = '\0'; + } + sta->u.ap.channel = channel; + sta->rx_packets++; + sta->rx_bytes += len; + sta->u.ap.last_beacon = sta->last_rx = jiffies; + sta->capability = capability; + sta->listen_interval = beacon_int; + + atomic_dec(&sta->users); + + if (new_sta) { + memset(sta->supported_rates, 0, sizeof(sta->supported_rates)); + memcpy(sta->supported_rates, supp_rates, supp_rates_len); + prism2_check_tx_rates(sta); + } +} + +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +/* Called only as a tasklet. */ +static void handle_ap_item(local_info_t *local, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + struct net_device *dev = local->dev; +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + u16 fc, type, stype; + struct ieee80211_hdr *hdr; + + /* FIX: should give skb->len to handler functions and check that the + * buffer is long enough */ + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_control); + type = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (!local->hostapd && type == IEEE80211_FTYPE_DATA) { + PDEBUG(DEBUG_AP, "handle_ap_item - data frame\n"); + + if (!(fc & IEEE80211_FCTL_TODS) || + (fc & IEEE80211_FCTL_FROMDS)) { + if (stype == IEEE80211_STYPE_NULLFUNC) { + /* no ToDS nullfunc seems to be used to check + * AP association; so send reject message to + * speed up re-association */ + ap_handle_dropped_data(local, hdr); + goto done; + } + PDEBUG(DEBUG_AP, " not ToDS frame (fc=0x%04x)\n", + fc); + goto done; + } + + if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) { + PDEBUG(DEBUG_AP, "handle_ap_item - addr1(BSSID)=%pM" + " not own MAC\n", hdr->addr1); + goto done; + } + + if (local->ap->nullfunc_ack && + stype == IEEE80211_STYPE_NULLFUNC) + ap_handle_data_nullfunc(local, hdr); + else + ap_handle_dropped_data(local, hdr); + goto done; + } + + if (type == IEEE80211_FTYPE_MGMT && stype == IEEE80211_STYPE_BEACON) { + handle_beacon(local, skb, rx_stats); + goto done; + } +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + if (type == IEEE80211_FTYPE_CTL && stype == IEEE80211_STYPE_PSPOLL) { + handle_pspoll(local, hdr, rx_stats); + goto done; + } + + if (local->hostapd) { + PDEBUG(DEBUG_AP, "Unknown frame in AP queue: type=0x%02x " + "subtype=0x%02x\n", type, stype); + goto done; + } + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (type != IEEE80211_FTYPE_MGMT) { + PDEBUG(DEBUG_AP, "handle_ap_item - not a management frame?\n"); + goto done; + } + + if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) { + PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=%pM" + " not own MAC\n", hdr->addr1); + goto done; + } + + if (!ether_addr_equal(hdr->addr3, dev->dev_addr)) { + PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=%pM" + " not own MAC\n", hdr->addr3); + goto done; + } + + switch (stype) { + case IEEE80211_STYPE_ASSOC_REQ: + handle_assoc(local, skb, rx_stats, 0); + break; + case IEEE80211_STYPE_ASSOC_RESP: + PDEBUG(DEBUG_AP, "==> ASSOC RESP (ignored)\n"); + break; + case IEEE80211_STYPE_REASSOC_REQ: + handle_assoc(local, skb, rx_stats, 1); + break; + case IEEE80211_STYPE_REASSOC_RESP: + PDEBUG(DEBUG_AP, "==> REASSOC RESP (ignored)\n"); + break; + case IEEE80211_STYPE_ATIM: + PDEBUG(DEBUG_AP, "==> ATIM (ignored)\n"); + break; + case IEEE80211_STYPE_DISASSOC: + handle_disassoc(local, skb, rx_stats); + break; + case IEEE80211_STYPE_AUTH: + handle_authen(local, skb, rx_stats); + break; + case IEEE80211_STYPE_DEAUTH: + handle_deauth(local, skb, rx_stats); + break; + default: + PDEBUG(DEBUG_AP, "Unknown mgmt frame subtype 0x%02x\n", + stype >> 4); + break; + } +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + done: + dev_kfree_skb(skb); +} + + +/* Called only as a tasklet (software IRQ) */ +void hostap_rx(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats) +{ + struct hostap_interface *iface; + local_info_t *local; + struct ieee80211_hdr *hdr; + + iface = netdev_priv(dev); + local = iface->local; + + if (skb->len < 16) + goto drop; + + dev->stats.rx_packets++; + + hdr = (struct ieee80211_hdr *) skb->data; + + if (local->ap->ap_policy == AP_OTHER_AP_SKIP_ALL && + ieee80211_is_beacon(hdr->frame_control)) + goto drop; + + skb->protocol = cpu_to_be16(ETH_P_HOSTAP); + handle_ap_item(local, skb, rx_stats); + return; + + drop: + dev_kfree_skb(skb); +} + + +/* Called only as a tasklet (software IRQ) */ +static void schedule_packet_send(local_info_t *local, struct sta_info *sta) +{ + struct sk_buff *skb; + struct ieee80211_hdr *hdr; + struct hostap_80211_rx_status rx_stats; + + if (skb_queue_empty(&sta->tx_buf)) + return; + + skb = dev_alloc_skb(16); + if (skb == NULL) { + printk(KERN_DEBUG "%s: schedule_packet_send: skb alloc " + "failed\n", local->dev->name); + return; + } + + hdr = (struct ieee80211_hdr *) skb_put(skb, 16); + + /* Generate a fake pspoll frame to start packet delivery */ + hdr->frame_control = cpu_to_le16( + IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); + memcpy(hdr->addr1, local->dev->dev_addr, ETH_ALEN); + memcpy(hdr->addr2, sta->addr, ETH_ALEN); + hdr->duration_id = cpu_to_le16(sta->aid | BIT(15) | BIT(14)); + + PDEBUG(DEBUG_PS2, + "%s: Scheduling buffered packet delivery for STA %pM\n", + local->dev->name, sta->addr); + + skb->dev = local->dev; + + memset(&rx_stats, 0, sizeof(rx_stats)); + hostap_rx(local->dev, skb, &rx_stats); +} + + +int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], + struct iw_quality qual[], int buf_size, + int aplist) +{ + struct ap_data *ap = local->ap; + struct list_head *ptr; + int count = 0; + + spin_lock_bh(&ap->sta_table_lock); + + for (ptr = ap->sta_list.next; ptr != NULL && ptr != &ap->sta_list; + ptr = ptr->next) { + struct sta_info *sta = (struct sta_info *) ptr; + + if (aplist && !sta->ap) + continue; + addr[count].sa_family = ARPHRD_ETHER; + memcpy(addr[count].sa_data, sta->addr, ETH_ALEN); + if (sta->last_rx_silence == 0) + qual[count].qual = sta->last_rx_signal < 27 ? + 0 : (sta->last_rx_signal - 27) * 92 / 127; + else + qual[count].qual = sta->last_rx_signal - + sta->last_rx_silence - 35; + qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal); + qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); + qual[count].updated = sta->last_rx_updated; + + sta->last_rx_updated = IW_QUAL_DBM; + + count++; + if (count >= buf_size) + break; + } + spin_unlock_bh(&ap->sta_table_lock); + + return count; +} + + +/* Translate our list of Access Points & Stations to a card independent + * format that the Wireless Tools will understand - Jean II */ +int prism2_ap_translate_scan(struct net_device *dev, + struct iw_request_info *info, char *buffer) +{ + struct hostap_interface *iface; + local_info_t *local; + struct ap_data *ap; + struct list_head *ptr; + struct iw_event iwe; + char *current_ev = buffer; + char *end_buf = buffer + IW_SCAN_MAX_DATA; +#if !defined(PRISM2_NO_KERNEL_IEEE80211_MGMT) + char buf[64]; +#endif + + iface = netdev_priv(dev); + local = iface->local; + ap = local->ap; + + spin_lock_bh(&ap->sta_table_lock); + + for (ptr = ap->sta_list.next; ptr != NULL && ptr != &ap->sta_list; + ptr = ptr->next) { + struct sta_info *sta = (struct sta_info *) ptr; + + /* First entry *MUST* be the AP MAC address */ + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWAP; + iwe.u.ap_addr.sa_family = ARPHRD_ETHER; + memcpy(iwe.u.ap_addr.sa_data, sta->addr, ETH_ALEN); + iwe.len = IW_EV_ADDR_LEN; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_ADDR_LEN); + + /* Use the mode to indicate if it's a station or + * an Access Point */ + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWMODE; + if (sta->ap) + iwe.u.mode = IW_MODE_MASTER; + else + iwe.u.mode = IW_MODE_INFRA; + iwe.len = IW_EV_UINT_LEN; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_UINT_LEN); + + /* Some quality */ + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVQUAL; + if (sta->last_rx_silence == 0) + iwe.u.qual.qual = sta->last_rx_signal < 27 ? + 0 : (sta->last_rx_signal - 27) * 92 / 127; + else + iwe.u.qual.qual = sta->last_rx_signal - + sta->last_rx_silence - 35; + iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal); + iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); + iwe.u.qual.updated = sta->last_rx_updated; + iwe.len = IW_EV_QUAL_LEN; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_QUAL_LEN); + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (sta->ap) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWESSID; + iwe.u.data.length = sta->u.ap.ssid_len; + iwe.u.data.flags = 1; + current_ev = iwe_stream_add_point(info, current_ev, + end_buf, &iwe, + sta->u.ap.ssid); + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWENCODE; + if (sta->capability & WLAN_CAPABILITY_PRIVACY) + iwe.u.data.flags = + IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; + else + iwe.u.data.flags = IW_ENCODE_DISABLED; + current_ev = iwe_stream_add_point(info, current_ev, + end_buf, &iwe, + sta->u.ap.ssid); + + if (sta->u.ap.channel > 0 && + sta->u.ap.channel <= FREQ_COUNT) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWFREQ; + iwe.u.freq.m = freq_list[sta->u.ap.channel - 1] + * 100000; + iwe.u.freq.e = 1; + current_ev = iwe_stream_add_event( + info, current_ev, end_buf, &iwe, + IW_EV_FREQ_LEN); + } + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVCUSTOM; + sprintf(buf, "beacon_interval=%d", + sta->listen_interval); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(info, current_ev, + end_buf, &iwe, buf); + } +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + sta->last_rx_updated = IW_QUAL_DBM; + + /* To be continued, we should make good use of IWEVCUSTOM */ + } + + spin_unlock_bh(&ap->sta_table_lock); + + return current_ev - buffer; +} + + +static int prism2_hostapd_add_sta(struct ap_data *ap, + struct prism2_hostapd_param *param) +{ + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, param->sta_addr); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&ap->sta_table_lock); + + if (sta == NULL) { + sta = ap_add_sta(ap, param->sta_addr); + if (sta == NULL) + return -1; + } + + if (!(sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) + hostap_event_new_sta(sta->local->dev, sta); + + sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; + sta->last_rx = jiffies; + sta->aid = param->u.add_sta.aid; + sta->capability = param->u.add_sta.capability; + sta->tx_supp_rates = param->u.add_sta.tx_supp_rates; + if (sta->tx_supp_rates & WLAN_RATE_1M) + sta->supported_rates[0] = 2; + if (sta->tx_supp_rates & WLAN_RATE_2M) + sta->supported_rates[1] = 4; + if (sta->tx_supp_rates & WLAN_RATE_5M5) + sta->supported_rates[2] = 11; + if (sta->tx_supp_rates & WLAN_RATE_11M) + sta->supported_rates[3] = 22; + prism2_check_tx_rates(sta); + atomic_dec(&sta->users); + return 0; +} + + +static int prism2_hostapd_remove_sta(struct ap_data *ap, + struct prism2_hostapd_param *param) +{ + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, param->sta_addr); + if (sta) { + ap_sta_hash_del(ap, sta); + list_del(&sta->list); + } + spin_unlock_bh(&ap->sta_table_lock); + + if (!sta) + return -ENOENT; + + if ((sta->flags & WLAN_STA_ASSOC) && !sta->ap && sta->local) + hostap_event_expired_sta(sta->local->dev, sta); + ap_free_sta(ap, sta); + + return 0; +} + + +static int prism2_hostapd_get_info_sta(struct ap_data *ap, + struct prism2_hostapd_param *param) +{ + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, param->sta_addr); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&ap->sta_table_lock); + + if (!sta) + return -ENOENT; + + param->u.get_info_sta.inactive_sec = (jiffies - sta->last_rx) / HZ; + + atomic_dec(&sta->users); + + return 1; +} + + +static int prism2_hostapd_set_flags_sta(struct ap_data *ap, + struct prism2_hostapd_param *param) +{ + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, param->sta_addr); + if (sta) { + sta->flags |= param->u.set_flags_sta.flags_or; + sta->flags &= param->u.set_flags_sta.flags_and; + } + spin_unlock_bh(&ap->sta_table_lock); + + if (!sta) + return -ENOENT; + + return 0; +} + + +static int prism2_hostapd_sta_clear_stats(struct ap_data *ap, + struct prism2_hostapd_param *param) +{ + struct sta_info *sta; + int rate; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, param->sta_addr); + if (sta) { + sta->rx_packets = sta->tx_packets = 0; + sta->rx_bytes = sta->tx_bytes = 0; + for (rate = 0; rate < WLAN_RATE_COUNT; rate++) { + sta->tx_count[rate] = 0; + sta->rx_count[rate] = 0; + } + } + spin_unlock_bh(&ap->sta_table_lock); + + if (!sta) + return -ENOENT; + + return 0; +} + + +int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param) +{ + switch (param->cmd) { + case PRISM2_HOSTAPD_FLUSH: + ap_control_kickall(ap); + return 0; + case PRISM2_HOSTAPD_ADD_STA: + return prism2_hostapd_add_sta(ap, param); + case PRISM2_HOSTAPD_REMOVE_STA: + return prism2_hostapd_remove_sta(ap, param); + case PRISM2_HOSTAPD_GET_INFO_STA: + return prism2_hostapd_get_info_sta(ap, param); + case PRISM2_HOSTAPD_SET_FLAGS_STA: + return prism2_hostapd_set_flags_sta(ap, param); + case PRISM2_HOSTAPD_STA_CLEAR_STATS: + return prism2_hostapd_sta_clear_stats(ap, param); + default: + printk(KERN_WARNING "prism2_hostapd: unknown cmd=%d\n", + param->cmd); + return -EOPNOTSUPP; + } +} + + +/* Update station info for host-based TX rate control and return current + * TX rate */ +static int ap_update_sta_tx_rate(struct sta_info *sta, struct net_device *dev) +{ + int ret = sta->tx_rate; + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + sta->tx_count[sta->tx_rate_idx]++; + sta->tx_since_last_failure++; + sta->tx_consecutive_exc = 0; + if (sta->tx_since_last_failure >= WLAN_RATE_UPDATE_COUNT && + sta->tx_rate_idx < sta->tx_max_rate) { + /* use next higher rate */ + int old_rate, new_rate; + old_rate = new_rate = sta->tx_rate_idx; + while (new_rate < sta->tx_max_rate) { + new_rate++; + if (ap_tx_rate_ok(new_rate, sta, local)) { + sta->tx_rate_idx = new_rate; + break; + } + } + if (old_rate != sta->tx_rate_idx) { + switch (sta->tx_rate_idx) { + case 0: sta->tx_rate = 10; break; + case 1: sta->tx_rate = 20; break; + case 2: sta->tx_rate = 55; break; + case 3: sta->tx_rate = 110; break; + default: sta->tx_rate = 0; break; + } + PDEBUG(DEBUG_AP, "%s: STA %pM TX rate raised to %d\n", + dev->name, sta->addr, sta->tx_rate); + } + sta->tx_since_last_failure = 0; + } + + return ret; +} + + +/* Called only from software IRQ. Called for each TX frame prior possible + * encryption and transmit. */ +ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) +{ + struct sta_info *sta = NULL; + struct sk_buff *skb = tx->skb; + int set_tim, ret; + struct ieee80211_hdr *hdr; + struct hostap_skb_tx_data *meta; + + meta = (struct hostap_skb_tx_data *) skb->cb; + ret = AP_TX_CONTINUE; + if (local->ap == NULL || skb->len < 10 || + meta->iface->type == HOSTAP_INTERFACE_STA) + goto out; + + hdr = (struct ieee80211_hdr *) skb->data; + + if (hdr->addr1[0] & 0x01) { + /* broadcast/multicast frame - no AP related processing */ + if (local->ap->num_sta <= 0) + ret = AP_TX_DROP; + goto out; + } + + /* unicast packet - check whether destination STA is associated */ + spin_lock(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr1); + if (sta) + atomic_inc(&sta->users); + spin_unlock(&local->ap->sta_table_lock); + + if (local->iw_mode == IW_MODE_MASTER && sta == NULL && + !(meta->flags & HOSTAP_TX_FLAGS_WDS) && + meta->iface->type != HOSTAP_INTERFACE_MASTER && + meta->iface->type != HOSTAP_INTERFACE_AP) { +#if 0 + /* This can happen, e.g., when wlan0 is added to a bridge and + * bridging code does not know which port is the correct target + * for a unicast frame. In this case, the packet is send to all + * ports of the bridge. Since this is a valid scenario, do not + * print out any errors here. */ + if (net_ratelimit()) { + printk(KERN_DEBUG "AP: drop packet to non-associated " + "STA %pM\n", hdr->addr1); + } +#endif + local->ap->tx_drop_nonassoc++; + ret = AP_TX_DROP; + goto out; + } + + if (sta == NULL) + goto out; + + if (!(sta->flags & WLAN_STA_AUTHORIZED)) + ret = AP_TX_CONTINUE_NOT_AUTHORIZED; + + /* Set tx_rate if using host-based TX rate control */ + if (!local->fw_tx_rate_control) + local->ap->last_tx_rate = meta->rate = + ap_update_sta_tx_rate(sta, local->dev); + + if (local->iw_mode != IW_MODE_MASTER) + goto out; + + if (!(sta->flags & WLAN_STA_PS)) + goto out; + + if (meta->flags & HOSTAP_TX_FLAGS_ADD_MOREDATA) { + /* indicate to STA that more frames follow */ + hdr->frame_control |= + cpu_to_le16(IEEE80211_FCTL_MOREDATA); + } + + if (meta->flags & HOSTAP_TX_FLAGS_BUFFERED_FRAME) { + /* packet was already buffered and now send due to + * PS poll, so do not rebuffer it */ + goto out; + } + + if (skb_queue_len(&sta->tx_buf) >= STA_MAX_TX_BUFFER) { + PDEBUG(DEBUG_PS, "%s: No more space in STA (%pM)'s" + "PS mode buffer\n", + local->dev->name, sta->addr); + /* Make sure that TIM is set for the station (it might not be + * after AP wlan hw reset). */ + /* FIX: should fix hw reset to restore bits based on STA + * buffer state.. */ + hostap_set_tim(local, sta->aid, 1); + sta->flags |= WLAN_STA_TIM; + ret = AP_TX_DROP; + goto out; + } + + /* STA in PS mode, buffer frame for later delivery */ + set_tim = skb_queue_empty(&sta->tx_buf); + skb_queue_tail(&sta->tx_buf, skb); + /* FIX: could save RX time to skb and expire buffered frames after + * some time if STA does not poll for them */ + + if (set_tim) { + if (sta->flags & WLAN_STA_TIM) + PDEBUG(DEBUG_PS2, "Re-setting TIM for aid %d\n", + sta->aid); + hostap_set_tim(local, sta->aid, 1); + sta->flags |= WLAN_STA_TIM; + } + + ret = AP_TX_BUFFERED; + + out: + if (sta != NULL) { + if (ret == AP_TX_CONTINUE || + ret == AP_TX_CONTINUE_NOT_AUTHORIZED) { + sta->tx_packets++; + sta->tx_bytes += skb->len; + sta->last_tx = jiffies; + } + + if ((ret == AP_TX_CONTINUE || + ret == AP_TX_CONTINUE_NOT_AUTHORIZED) && + sta->crypt && tx->host_encrypt) { + tx->crypt = sta->crypt; + tx->sta_ptr = sta; /* hostap_handle_sta_release() will + * be called to release sta info + * later */ + } else + atomic_dec(&sta->users); + } + + return ret; +} + + +void hostap_handle_sta_release(void *ptr) +{ + struct sta_info *sta = ptr; + atomic_dec(&sta->users); +} + + +/* Called only as a tasklet (software IRQ) */ +void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb) +{ + struct sta_info *sta; + struct ieee80211_hdr *hdr; + struct hostap_skb_tx_data *meta; + + hdr = (struct ieee80211_hdr *) skb->data; + meta = (struct hostap_skb_tx_data *) skb->cb; + + spin_lock(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr1); + if (!sta) { + spin_unlock(&local->ap->sta_table_lock); + PDEBUG(DEBUG_AP, "%s: Could not find STA %pM" + " for this TX error (@%lu)\n", + local->dev->name, hdr->addr1, jiffies); + return; + } + + sta->tx_since_last_failure = 0; + sta->tx_consecutive_exc++; + + if (sta->tx_consecutive_exc >= WLAN_RATE_DECREASE_THRESHOLD && + sta->tx_rate_idx > 0 && meta->rate <= sta->tx_rate) { + /* use next lower rate */ + int old, rate; + old = rate = sta->tx_rate_idx; + while (rate > 0) { + rate--; + if (ap_tx_rate_ok(rate, sta, local)) { + sta->tx_rate_idx = rate; + break; + } + } + if (old != sta->tx_rate_idx) { + switch (sta->tx_rate_idx) { + case 0: sta->tx_rate = 10; break; + case 1: sta->tx_rate = 20; break; + case 2: sta->tx_rate = 55; break; + case 3: sta->tx_rate = 110; break; + default: sta->tx_rate = 0; break; + } + PDEBUG(DEBUG_AP, + "%s: STA %pM TX rate lowered to %d\n", + local->dev->name, sta->addr, sta->tx_rate); + } + sta->tx_consecutive_exc = 0; + } + spin_unlock(&local->ap->sta_table_lock); +} + + +static void hostap_update_sta_ps2(local_info_t *local, struct sta_info *sta, + int pwrmgt, int type, int stype) +{ + if (pwrmgt && !(sta->flags & WLAN_STA_PS)) { + sta->flags |= WLAN_STA_PS; + PDEBUG(DEBUG_PS2, "STA %pM changed to use PS " + "mode (type=0x%02X, stype=0x%02X)\n", + sta->addr, type >> 2, stype >> 4); + } else if (!pwrmgt && (sta->flags & WLAN_STA_PS)) { + sta->flags &= ~WLAN_STA_PS; + PDEBUG(DEBUG_PS2, "STA %pM changed to not use " + "PS mode (type=0x%02X, stype=0x%02X)\n", + sta->addr, type >> 2, stype >> 4); + if (type != IEEE80211_FTYPE_CTL || + stype != IEEE80211_STYPE_PSPOLL) + schedule_packet_send(local, sta); + } +} + + +/* Called only as a tasklet (software IRQ). Called for each RX frame to update + * STA power saving state. pwrmgt is a flag from 802.11 frame_control field. */ +int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr) +{ + struct sta_info *sta; + u16 fc; + + spin_lock(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta) + atomic_inc(&sta->users); + spin_unlock(&local->ap->sta_table_lock); + + if (!sta) + return -1; + + fc = le16_to_cpu(hdr->frame_control); + hostap_update_sta_ps2(local, sta, fc & IEEE80211_FCTL_PM, + fc & IEEE80211_FCTL_FTYPE, + fc & IEEE80211_FCTL_STYPE); + + atomic_dec(&sta->users); + return 0; +} + + +/* Called only as a tasklet (software IRQ). Called for each RX frame after + * getting RX header and payload from hardware. */ +ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, + struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats, + int wds) +{ + int ret; + struct sta_info *sta; + u16 fc, type, stype; + struct ieee80211_hdr *hdr; + + if (local->ap == NULL) + return AP_RX_CONTINUE; + + hdr = (struct ieee80211_hdr *) skb->data; + + fc = le16_to_cpu(hdr->frame_control); + type = fc & IEEE80211_FCTL_FTYPE; + stype = fc & IEEE80211_FCTL_STYPE; + + spin_lock(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta) + atomic_inc(&sta->users); + spin_unlock(&local->ap->sta_table_lock); + + if (sta && !(sta->flags & WLAN_STA_AUTHORIZED)) + ret = AP_RX_CONTINUE_NOT_AUTHORIZED; + else + ret = AP_RX_CONTINUE; + + + if (fc & IEEE80211_FCTL_TODS) { + if (!wds && (sta == NULL || !(sta->flags & WLAN_STA_ASSOC))) { + if (local->hostapd) { + prism2_rx_80211(local->apdev, skb, rx_stats, + PRISM2_RX_NON_ASSOC); +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + } else { + printk(KERN_DEBUG "%s: dropped received packet" + " from non-associated STA %pM" + " (type=0x%02x, subtype=0x%02x)\n", + dev->name, hdr->addr2, + type >> 2, stype >> 4); + hostap_rx(dev, skb, rx_stats); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + } + ret = AP_RX_EXIT; + goto out; + } + } else if (fc & IEEE80211_FCTL_FROMDS) { + if (!wds) { + /* FromDS frame - not for us; probably + * broadcast/multicast in another BSS - drop */ + if (ether_addr_equal(hdr->addr1, dev->dev_addr)) { + printk(KERN_DEBUG "Odd.. FromDS packet " + "received with own BSSID\n"); + hostap_dump_rx_80211(dev->name, skb, rx_stats); + } + ret = AP_RX_DROP; + goto out; + } + } else if (stype == IEEE80211_STYPE_NULLFUNC && sta == NULL && + ether_addr_equal(hdr->addr1, dev->dev_addr)) { + + if (local->hostapd) { + prism2_rx_80211(local->apdev, skb, rx_stats, + PRISM2_RX_NON_ASSOC); +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + } else { + /* At least Lucent f/w seems to send data::nullfunc + * frames with no ToDS flag when the current AP returns + * after being unavailable for some time. Speed up + * re-association by informing the station about it not + * being associated. */ + printk(KERN_DEBUG "%s: rejected received nullfunc frame" + " without ToDS from not associated STA %pM\n", + dev->name, hdr->addr2); + hostap_rx(dev, skb, rx_stats); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + } + ret = AP_RX_EXIT; + goto out; + } else if (stype == IEEE80211_STYPE_NULLFUNC) { + /* At least Lucent cards seem to send periodic nullfunc + * frames with ToDS. Let these through to update SQ + * stats and PS state. Nullfunc frames do not contain + * any data and they will be dropped below. */ + } else { + /* If BSSID (Addr3) is foreign, this frame is a normal + * broadcast frame from an IBSS network. Drop it silently. + * If BSSID is own, report the dropping of this frame. */ + if (ether_addr_equal(hdr->addr3, dev->dev_addr)) { + printk(KERN_DEBUG "%s: dropped received packet from %pM" + " with no ToDS flag " + "(type=0x%02x, subtype=0x%02x)\n", dev->name, + hdr->addr2, type >> 2, stype >> 4); + hostap_dump_rx_80211(dev->name, skb, rx_stats); + } + ret = AP_RX_DROP; + goto out; + } + + if (sta) { + hostap_update_sta_ps2(local, sta, fc & IEEE80211_FCTL_PM, + type, stype); + + sta->rx_packets++; + sta->rx_bytes += skb->len; + sta->last_rx = jiffies; + } + + if (local->ap->nullfunc_ack && stype == IEEE80211_STYPE_NULLFUNC && + fc & IEEE80211_FCTL_TODS) { + if (local->hostapd) { + prism2_rx_80211(local->apdev, skb, rx_stats, + PRISM2_RX_NULLFUNC_ACK); +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + } else { + /* some STA f/w's seem to require control::ACK frame + * for data::nullfunc, but Prism2 f/w 0.8.0 (at least + * from Compaq) does not send this.. Try to generate + * ACK for these frames from the host driver to make + * power saving work with, e.g., Lucent WaveLAN f/w */ + hostap_rx(dev, skb, rx_stats); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + } + ret = AP_RX_EXIT; + goto out; + } + + out: + if (sta) + atomic_dec(&sta->users); + + return ret; +} + + +/* Called only as a tasklet (software IRQ) */ +int hostap_handle_sta_crypto(local_info_t *local, + struct ieee80211_hdr *hdr, + struct lib80211_crypt_data **crypt, + void **sta_ptr) +{ + struct sta_info *sta; + + spin_lock(&local->ap->sta_table_lock); + sta = ap_get_sta(local->ap, hdr->addr2); + if (sta) + atomic_inc(&sta->users); + spin_unlock(&local->ap->sta_table_lock); + + if (!sta) + return -1; + + if (sta->crypt) { + *crypt = sta->crypt; + *sta_ptr = sta; + /* hostap_handle_sta_release() will be called to release STA + * info */ + } else + atomic_dec(&sta->users); + + return 0; +} + + +/* Called only as a tasklet (software IRQ) */ +int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr) +{ + struct sta_info *sta; + int ret = 0; + + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, sta_addr); + if (sta != NULL && (sta->flags & WLAN_STA_ASSOC) && !sta->ap) + ret = 1; + spin_unlock(&ap->sta_table_lock); + + return ret; +} + + +/* Called only as a tasklet (software IRQ) */ +int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr) +{ + struct sta_info *sta; + int ret = 0; + + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, sta_addr); + if (sta != NULL && (sta->flags & WLAN_STA_ASSOC) && !sta->ap && + ((sta->flags & WLAN_STA_AUTHORIZED) || + ap->local->ieee_802_1x == 0)) + ret = 1; + spin_unlock(&ap->sta_table_lock); + + return ret; +} + + +/* Called only as a tasklet (software IRQ) */ +int hostap_add_sta(struct ap_data *ap, u8 *sta_addr) +{ + struct sta_info *sta; + int ret = 1; + + if (!ap) + return -1; + + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, sta_addr); + if (sta) + ret = 0; + spin_unlock(&ap->sta_table_lock); + + if (ret == 1) { + sta = ap_add_sta(ap, sta_addr); + if (!sta) + return -1; + sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; + sta->ap = 1; + memset(sta->supported_rates, 0, sizeof(sta->supported_rates)); + /* No way of knowing which rates are supported since we did not + * get supported rates element from beacon/assoc req. Assume + * that remote end supports all 802.11b rates. */ + sta->supported_rates[0] = 0x82; + sta->supported_rates[1] = 0x84; + sta->supported_rates[2] = 0x0b; + sta->supported_rates[3] = 0x16; + sta->tx_supp_rates = WLAN_RATE_1M | WLAN_RATE_2M | + WLAN_RATE_5M5 | WLAN_RATE_11M; + sta->tx_rate = 110; + sta->tx_max_rate = sta->tx_rate_idx = 3; + } + + return ret; +} + + +/* Called only as a tasklet (software IRQ) */ +int hostap_update_rx_stats(struct ap_data *ap, + struct ieee80211_hdr *hdr, + struct hostap_80211_rx_status *rx_stats) +{ + struct sta_info *sta; + + if (!ap) + return -1; + + spin_lock(&ap->sta_table_lock); + sta = ap_get_sta(ap, hdr->addr2); + if (sta) { + sta->last_rx_silence = rx_stats->noise; + sta->last_rx_signal = rx_stats->signal; + sta->last_rx_rate = rx_stats->rate; + sta->last_rx_updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; + if (rx_stats->rate == 10) + sta->rx_count[0]++; + else if (rx_stats->rate == 20) + sta->rx_count[1]++; + else if (rx_stats->rate == 55) + sta->rx_count[2]++; + else if (rx_stats->rate == 110) + sta->rx_count[3]++; + } + spin_unlock(&ap->sta_table_lock); + + return sta ? 0 : -1; +} + + +void hostap_update_rates(local_info_t *local) +{ + struct sta_info *sta; + struct ap_data *ap = local->ap; + + if (!ap) + return; + + spin_lock_bh(&ap->sta_table_lock); + list_for_each_entry(sta, &ap->sta_list, list) { + prism2_check_tx_rates(sta); + } + spin_unlock_bh(&ap->sta_table_lock); +} + + +void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, + struct lib80211_crypt_data ***crypt) +{ + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + sta = ap_get_sta(ap, addr); + if (sta) + atomic_inc(&sta->users); + spin_unlock_bh(&ap->sta_table_lock); + + if (!sta && permanent) + sta = ap_add_sta(ap, addr); + + if (!sta) + return NULL; + + if (permanent) + sta->flags |= WLAN_STA_PERM; + + *crypt = &sta->crypt; + + return sta; +} + + +void hostap_add_wds_links(local_info_t *local) +{ + struct ap_data *ap = local->ap; + struct sta_info *sta; + + spin_lock_bh(&ap->sta_table_lock); + list_for_each_entry(sta, &ap->sta_list, list) { + if (sta->ap) + hostap_wds_link_oper(local, sta->addr, WDS_ADD); + } + spin_unlock_bh(&ap->sta_table_lock); + + schedule_work(&local->ap->wds_oper_queue); +} + + +void hostap_wds_link_oper(local_info_t *local, u8 *addr, wds_oper_type type) +{ + struct wds_oper_data *entry; + + entry = kmalloc(sizeof(*entry), GFP_ATOMIC); + if (!entry) + return; + memcpy(entry->addr, addr, ETH_ALEN); + entry->type = type; + spin_lock_bh(&local->lock); + entry->next = local->ap->wds_oper_entries; + local->ap->wds_oper_entries = entry; + spin_unlock_bh(&local->lock); + + schedule_work(&local->ap->wds_oper_queue); +} + + +EXPORT_SYMBOL(hostap_init_data); +EXPORT_SYMBOL(hostap_init_ap_proc); +EXPORT_SYMBOL(hostap_free_data); +EXPORT_SYMBOL(hostap_check_sta_fw_version); +EXPORT_SYMBOL(hostap_handle_sta_tx_exc); +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.h b/drivers/net/wireless/intersil/hostap/hostap_ap.h new file mode 100644 index 000000000000..334e2d0b8e11 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_ap.h @@ -0,0 +1,263 @@ +#ifndef HOSTAP_AP_H +#define HOSTAP_AP_H + +#include "hostap_80211.h" + +/* AP data structures for STAs */ + +/* maximum number of frames to buffer per STA */ +#define STA_MAX_TX_BUFFER 32 + +/* STA flags */ +#define WLAN_STA_AUTH BIT(0) +#define WLAN_STA_ASSOC BIT(1) +#define WLAN_STA_PS BIT(2) +#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */ +#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */ +#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is + * controlling whether STA is authorized to + * send and receive non-IEEE 802.1X frames + */ +#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ + +#define WLAN_RATE_1M BIT(0) +#define WLAN_RATE_2M BIT(1) +#define WLAN_RATE_5M5 BIT(2) +#define WLAN_RATE_11M BIT(3) +#define WLAN_RATE_COUNT 4 + +/* Maximum size of Supported Rates info element. IEEE 802.11 has a limit of 8, + * but some pre-standard IEEE 802.11g products use longer elements. */ +#define WLAN_SUPP_RATES_MAX 32 + +/* Try to increase TX rate after # successfully sent consecutive packets */ +#define WLAN_RATE_UPDATE_COUNT 50 + +/* Decrease TX rate after # consecutive dropped packets */ +#define WLAN_RATE_DECREASE_THRESHOLD 2 + +struct sta_info { + struct list_head list; + struct sta_info *hnext; /* next entry in hash table list */ + atomic_t users; /* number of users (do not remove if > 0) */ + struct proc_dir_entry *proc; + + u8 addr[6]; + u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ + u32 flags; + u16 capability; + u16 listen_interval; /* or beacon_int for APs */ + u8 supported_rates[WLAN_SUPP_RATES_MAX]; + + unsigned long last_auth; + unsigned long last_assoc; + unsigned long last_rx; + unsigned long last_tx; + unsigned long rx_packets, tx_packets; + unsigned long rx_bytes, tx_bytes; + struct sk_buff_head tx_buf; + /* FIX: timeout buffers with an expiry time somehow derived from + * listen_interval */ + + s8 last_rx_silence; /* Noise in dBm */ + s8 last_rx_signal; /* Signal strength in dBm */ + u8 last_rx_rate; /* TX rate in 0.1 Mbps */ + u8 last_rx_updated; /* IWSPY's struct iw_quality::updated */ + + u8 tx_supp_rates; /* bit field of supported TX rates */ + u8 tx_rate; /* current TX rate (in 0.1 Mbps) */ + u8 tx_rate_idx; /* current TX rate (WLAN_RATE_*) */ + u8 tx_max_rate; /* max TX rate (WLAN_RATE_*) */ + u32 tx_count[WLAN_RATE_COUNT]; /* number of frames sent (per rate) */ + u32 rx_count[WLAN_RATE_COUNT]; /* number of frames received (per rate) + */ + u32 tx_since_last_failure; + u32 tx_consecutive_exc; + + struct lib80211_crypt_data *crypt; + + int ap; /* whether this station is an AP */ + + local_info_t *local; + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + union { + struct { + char *challenge; /* shared key authentication + * challenge */ + } sta; + struct { + int ssid_len; + unsigned char ssid[MAX_SSID_LEN + 1]; /* AP's ssid */ + int channel; + unsigned long last_beacon; /* last RX beacon time */ + } ap; + } u; + + struct timer_list timer; + enum { STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH } timeout_next; +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ +}; + + +#define MAX_STA_COUNT 1024 + +/* Maximum number of AIDs to use for STAs; must be 2007 or lower + * (8802.11 limitation) */ +#define MAX_AID_TABLE_SIZE 128 + +#define STA_HASH_SIZE 256 +#define STA_HASH(sta) (sta[5]) + + +/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY_SEC + * has passed since last received frame from the station, a nullfunc data + * frame is sent to the station. If this frame is not acknowledged and no other + * frames have been received, the station will be disassociated after + * AP_DISASSOC_DELAY. Similarly, a the station will be deauthenticated after + * AP_DEAUTH_DELAY. AP_TIMEOUT_RESOLUTION is the resolution that is used with + * max inactivity timer. */ +#define AP_MAX_INACTIVITY_SEC (5 * 60) +#define AP_DISASSOC_DELAY (HZ) +#define AP_DEAUTH_DELAY (HZ) + +/* ap_policy: whether to accept frames to/from other APs/IBSS */ +typedef enum { + AP_OTHER_AP_SKIP_ALL = 0, + AP_OTHER_AP_SAME_SSID = 1, + AP_OTHER_AP_ALL = 2, + AP_OTHER_AP_EVEN_IBSS = 3 +} ap_policy_enum; + +#define PRISM2_AUTH_OPEN BIT(0) +#define PRISM2_AUTH_SHARED_KEY BIT(1) + + +/* MAC address-based restrictions */ +struct mac_entry { + struct list_head list; + u8 addr[6]; +}; + +struct mac_restrictions { + enum { MAC_POLICY_OPEN = 0, MAC_POLICY_ALLOW, MAC_POLICY_DENY } policy; + unsigned int entries; + struct list_head mac_list; + spinlock_t lock; +}; + + +struct add_sta_proc_data { + u8 addr[ETH_ALEN]; + struct add_sta_proc_data *next; +}; + + +typedef enum { WDS_ADD, WDS_DEL } wds_oper_type; +struct wds_oper_data { + wds_oper_type type; + u8 addr[ETH_ALEN]; + struct wds_oper_data *next; +}; + + +struct ap_data { + int initialized; /* whether ap_data has been initialized */ + local_info_t *local; + int bridge_packets; /* send packet to associated STAs directly to the + * wireless media instead of higher layers in the + * kernel */ + unsigned int bridged_unicast; /* number of unicast frames bridged on + * wireless media */ + unsigned int bridged_multicast; /* number of non-unicast frames + * bridged on wireless media */ + unsigned int tx_drop_nonassoc; /* number of unicast TX packets dropped + * because they were to an address that + * was not associated */ + int nullfunc_ack; /* use workaround for nullfunc frame ACKs */ + + spinlock_t sta_table_lock; + int num_sta; /* number of entries in sta_list */ + struct list_head sta_list; /* STA info list head */ + struct sta_info *sta_hash[STA_HASH_SIZE]; + + struct proc_dir_entry *proc; + + ap_policy_enum ap_policy; + unsigned int max_inactivity; + int autom_ap_wds; + + struct mac_restrictions mac_restrictions; /* MAC-based auth */ + int last_tx_rate; + + struct work_struct add_sta_proc_queue; + struct add_sta_proc_data *add_sta_proc_entries; + + struct work_struct wds_oper_queue; + struct wds_oper_data *wds_oper_entries; + + u16 tx_callback_idx; + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + /* pointers to STA info; based on allocated AID or NULL if AID free + * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1 + * and so on + */ + struct sta_info *sta_aid[MAX_AID_TABLE_SIZE]; + + u16 tx_callback_auth, tx_callback_assoc, tx_callback_poll; + + /* WEP operations for generating challenges to be used with shared key + * authentication */ + struct lib80211_crypto_ops *crypt; + void *crypt_priv; +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ +}; + + +void hostap_rx(struct net_device *dev, struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats); +void hostap_init_data(local_info_t *local); +void hostap_init_ap_proc(local_info_t *local); +void hostap_free_data(struct ap_data *ap); +void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver); + +typedef enum { + AP_TX_CONTINUE, AP_TX_DROP, AP_TX_RETRY, AP_TX_BUFFERED, + AP_TX_CONTINUE_NOT_AUTHORIZED +} ap_tx_ret; +struct hostap_tx_data { + struct sk_buff *skb; + int host_encrypt; + struct lib80211_crypt_data *crypt; + void *sta_ptr; +}; +ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx); +void hostap_handle_sta_release(void *ptr); +void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb); +int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr); +typedef enum { + AP_RX_CONTINUE, AP_RX_DROP, AP_RX_EXIT, AP_RX_CONTINUE_NOT_AUTHORIZED +} ap_rx_ret; +ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, + struct sk_buff *skb, + struct hostap_80211_rx_status *rx_stats, + int wds); +int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr *hdr, + struct lib80211_crypt_data **crypt, + void **sta_ptr); +int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr); +int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr); +int hostap_add_sta(struct ap_data *ap, u8 *sta_addr); +int hostap_update_rx_stats(struct ap_data *ap, struct ieee80211_hdr *hdr, + struct hostap_80211_rx_status *rx_stats); +void hostap_update_rates(local_info_t *local); +void hostap_add_wds_links(local_info_t *local); +void hostap_wds_link_oper(local_info_t *local, u8 *addr, wds_oper_type type); + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT +void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap, + int resend); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + +#endif /* HOSTAP_AP_H */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_common.h b/drivers/net/wireless/intersil/hostap/hostap_common.h new file mode 100644 index 000000000000..4230102ac9e4 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_common.h @@ -0,0 +1,419 @@ +#ifndef HOSTAP_COMMON_H +#define HOSTAP_COMMON_H + +#include +#include + +/* IEEE 802.11 defines */ + +/* HFA384X Configuration RIDs */ +#define HFA384X_RID_CNFPORTTYPE 0xFC00 +#define HFA384X_RID_CNFOWNMACADDR 0xFC01 +#define HFA384X_RID_CNFDESIREDSSID 0xFC02 +#define HFA384X_RID_CNFOWNCHANNEL 0xFC03 +#define HFA384X_RID_CNFOWNSSID 0xFC04 +#define HFA384X_RID_CNFOWNATIMWINDOW 0xFC05 +#define HFA384X_RID_CNFSYSTEMSCALE 0xFC06 +#define HFA384X_RID_CNFMAXDATALEN 0xFC07 +#define HFA384X_RID_CNFWDSADDRESS 0xFC08 +#define HFA384X_RID_CNFPMENABLED 0xFC09 +#define HFA384X_RID_CNFPMEPS 0xFC0A +#define HFA384X_RID_CNFMULTICASTRECEIVE 0xFC0B +#define HFA384X_RID_CNFMAXSLEEPDURATION 0xFC0C +#define HFA384X_RID_CNFPMHOLDOVERDURATION 0xFC0D +#define HFA384X_RID_CNFOWNNAME 0xFC0E +#define HFA384X_RID_CNFOWNDTIMPERIOD 0xFC10 +#define HFA384X_RID_CNFWDSADDRESS1 0xFC11 /* AP f/w only */ +#define HFA384X_RID_CNFWDSADDRESS2 0xFC12 /* AP f/w only */ +#define HFA384X_RID_CNFWDSADDRESS3 0xFC13 /* AP f/w only */ +#define HFA384X_RID_CNFWDSADDRESS4 0xFC14 /* AP f/w only */ +#define HFA384X_RID_CNFWDSADDRESS5 0xFC15 /* AP f/w only */ +#define HFA384X_RID_CNFWDSADDRESS6 0xFC16 /* AP f/w only */ +#define HFA384X_RID_CNFMULTICASTPMBUFFERING 0xFC17 /* AP f/w only */ +#define HFA384X_RID_UNKNOWN1 0xFC20 +#define HFA384X_RID_UNKNOWN2 0xFC21 +#define HFA384X_RID_CNFWEPDEFAULTKEYID 0xFC23 +#define HFA384X_RID_CNFDEFAULTKEY0 0xFC24 +#define HFA384X_RID_CNFDEFAULTKEY1 0xFC25 +#define HFA384X_RID_CNFDEFAULTKEY2 0xFC26 +#define HFA384X_RID_CNFDEFAULTKEY3 0xFC27 +#define HFA384X_RID_CNFWEPFLAGS 0xFC28 +#define HFA384X_RID_CNFWEPKEYMAPPINGTABLE 0xFC29 +#define HFA384X_RID_CNFAUTHENTICATION 0xFC2A +#define HFA384X_RID_CNFMAXASSOCSTA 0xFC2B /* AP f/w only */ +#define HFA384X_RID_CNFTXCONTROL 0xFC2C +#define HFA384X_RID_CNFROAMINGMODE 0xFC2D +#define HFA384X_RID_CNFHOSTAUTHENTICATION 0xFC2E /* AP f/w only */ +#define HFA384X_RID_CNFRCVCRCERROR 0xFC30 +#define HFA384X_RID_CNFMMLIFE 0xFC31 +#define HFA384X_RID_CNFALTRETRYCOUNT 0xFC32 +#define HFA384X_RID_CNFBEACONINT 0xFC33 +#define HFA384X_RID_CNFAPPCFINFO 0xFC34 /* AP f/w only */ +#define HFA384X_RID_CNFSTAPCFINFO 0xFC35 +#define HFA384X_RID_CNFPRIORITYQUSAGE 0xFC37 +#define HFA384X_RID_CNFTIMCTRL 0xFC40 +#define HFA384X_RID_UNKNOWN3 0xFC41 /* added in STA f/w 0.7.x */ +#define HFA384X_RID_CNFTHIRTY2TALLY 0xFC42 /* added in STA f/w 0.8.0 */ +#define HFA384X_RID_CNFENHSECURITY 0xFC43 /* AP f/w or STA f/w >= 1.6.3 */ +#define HFA384X_RID_CNFDBMADJUST 0xFC46 /* added in STA f/w 1.3.1 */ +#define HFA384X_RID_GENERICELEMENT 0xFC48 /* added in STA f/w 1.7.0; + * write only */ +#define HFA384X_RID_PROPAGATIONDELAY 0xFC49 /* added in STA f/w 1.7.6 */ +#define HFA384X_RID_GROUPADDRESSES 0xFC80 +#define HFA384X_RID_CREATEIBSS 0xFC81 +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD 0xFC82 +#define HFA384X_RID_RTSTHRESHOLD 0xFC83 +#define HFA384X_RID_TXRATECONTROL 0xFC84 +#define HFA384X_RID_PROMISCUOUSMODE 0xFC85 +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD0 0xFC90 /* AP f/w only */ +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD1 0xFC91 /* AP f/w only */ +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD2 0xFC92 /* AP f/w only */ +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD3 0xFC93 /* AP f/w only */ +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD4 0xFC94 /* AP f/w only */ +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD5 0xFC95 /* AP f/w only */ +#define HFA384X_RID_FRAGMENTATIONTHRESHOLD6 0xFC96 /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD0 0xFC97 /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD1 0xFC98 /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD2 0xFC99 /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD3 0xFC9A /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD4 0xFC9B /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD5 0xFC9C /* AP f/w only */ +#define HFA384X_RID_RTSTHRESHOLD6 0xFC9D /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL0 0xFC9E /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL1 0xFC9F /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL2 0xFCA0 /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL3 0xFCA1 /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL4 0xFCA2 /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL5 0xFCA3 /* AP f/w only */ +#define HFA384X_RID_TXRATECONTROL6 0xFCA4 /* AP f/w only */ +#define HFA384X_RID_CNFSHORTPREAMBLE 0xFCB0 +#define HFA384X_RID_CNFEXCLUDELONGPREAMBLE 0xFCB1 +#define HFA384X_RID_CNFAUTHENTICATIONRSPTO 0xFCB2 +#define HFA384X_RID_CNFBASICRATES 0xFCB3 +#define HFA384X_RID_CNFSUPPORTEDRATES 0xFCB4 +#define HFA384X_RID_CNFFALLBACKCTRL 0xFCB5 /* added in STA f/w 1.3.1 */ +#define HFA384X_RID_WEPKEYDISABLE 0xFCB6 /* added in STA f/w 1.3.1 */ +#define HFA384X_RID_WEPKEYMAPINDEX 0xFCB7 /* ? */ +#define HFA384X_RID_BROADCASTKEYID 0xFCB8 /* ? */ +#define HFA384X_RID_ENTSECFLAGEYID 0xFCB9 /* ? */ +#define HFA384X_RID_CNFPASSIVESCANCTRL 0xFCBA /* added in STA f/w 1.5.0 */ +#define HFA384X_RID_SSNHANDLINGMODE 0xFCBB /* added in STA f/w 1.7.0 */ +#define HFA384X_RID_MDCCONTROL 0xFCBC /* added in STA f/w 1.7.0 */ +#define HFA384X_RID_MDCCOUNTRY 0xFCBD /* added in STA f/w 1.7.0 */ +#define HFA384X_RID_TXPOWERMAX 0xFCBE /* added in STA f/w 1.7.0 */ +#define HFA384X_RID_CNFLFOENABLED 0xFCBF /* added in STA f/w 1.6.3 */ +#define HFA384X_RID_CAPINFO 0xFCC0 /* added in STA f/w 1.7.0 */ +#define HFA384X_RID_LISTENINTERVAL 0xFCC1 /* added in STA f/w 1.7.0 */ +#define HFA384X_RID_SW_ANT_DIV 0xFCC2 /* added in STA f/w 1.7.0; Prism3 */ +#define HFA384X_RID_LED_CTRL 0xFCC4 /* added in STA f/w 1.7.6 */ +#define HFA384X_RID_HFODELAY 0xFCC5 /* added in STA f/w 1.7.6 */ +#define HFA384X_RID_DISALLOWEDBSSID 0xFCC6 /* added in STA f/w 1.8.0 */ +#define HFA384X_RID_TICKTIME 0xFCE0 +#define HFA384X_RID_SCANREQUEST 0xFCE1 +#define HFA384X_RID_JOINREQUEST 0xFCE2 +#define HFA384X_RID_AUTHENTICATESTATION 0xFCE3 /* AP f/w only */ +#define HFA384X_RID_CHANNELINFOREQUEST 0xFCE4 /* AP f/w only */ +#define HFA384X_RID_HOSTSCAN 0xFCE5 /* added in STA f/w 1.3.1 */ + +/* HFA384X Information RIDs */ +#define HFA384X_RID_MAXLOADTIME 0xFD00 +#define HFA384X_RID_DOWNLOADBUFFER 0xFD01 +#define HFA384X_RID_PRIID 0xFD02 +#define HFA384X_RID_PRISUPRANGE 0xFD03 +#define HFA384X_RID_CFIACTRANGES 0xFD04 +#define HFA384X_RID_NICSERNUM 0xFD0A +#define HFA384X_RID_NICID 0xFD0B +#define HFA384X_RID_MFISUPRANGE 0xFD0C +#define HFA384X_RID_CFISUPRANGE 0xFD0D +#define HFA384X_RID_CHANNELLIST 0xFD10 +#define HFA384X_RID_REGULATORYDOMAINS 0xFD11 +#define HFA384X_RID_TEMPTYPE 0xFD12 +#define HFA384X_RID_CIS 0xFD13 +#define HFA384X_RID_STAID 0xFD20 +#define HFA384X_RID_STASUPRANGE 0xFD21 +#define HFA384X_RID_MFIACTRANGES 0xFD22 +#define HFA384X_RID_CFIACTRANGES2 0xFD23 +#define HFA384X_RID_PRODUCTNAME 0xFD24 /* added in STA f/w 1.3.1; + * only Prism2.5(?) */ +#define HFA384X_RID_PORTSTATUS 0xFD40 +#define HFA384X_RID_CURRENTSSID 0xFD41 +#define HFA384X_RID_CURRENTBSSID 0xFD42 +#define HFA384X_RID_COMMSQUALITY 0xFD43 +#define HFA384X_RID_CURRENTTXRATE 0xFD44 +#define HFA384X_RID_CURRENTBEACONINTERVAL 0xFD45 +#define HFA384X_RID_CURRENTSCALETHRESHOLDS 0xFD46 +#define HFA384X_RID_PROTOCOLRSPTIME 0xFD47 +#define HFA384X_RID_SHORTRETRYLIMIT 0xFD48 +#define HFA384X_RID_LONGRETRYLIMIT 0xFD49 +#define HFA384X_RID_MAXTRANSMITLIFETIME 0xFD4A +#define HFA384X_RID_MAXRECEIVELIFETIME 0xFD4B +#define HFA384X_RID_CFPOLLABLE 0xFD4C +#define HFA384X_RID_AUTHENTICATIONALGORITHMS 0xFD4D +#define HFA384X_RID_PRIVACYOPTIONIMPLEMENTED 0xFD4F +#define HFA384X_RID_DBMCOMMSQUALITY 0xFD51 /* added in STA f/w 1.3.1 */ +#define HFA384X_RID_CURRENTTXRATE1 0xFD80 /* AP f/w only */ +#define HFA384X_RID_CURRENTTXRATE2 0xFD81 /* AP f/w only */ +#define HFA384X_RID_CURRENTTXRATE3 0xFD82 /* AP f/w only */ +#define HFA384X_RID_CURRENTTXRATE4 0xFD83 /* AP f/w only */ +#define HFA384X_RID_CURRENTTXRATE5 0xFD84 /* AP f/w only */ +#define HFA384X_RID_CURRENTTXRATE6 0xFD85 /* AP f/w only */ +#define HFA384X_RID_OWNMACADDR 0xFD86 /* AP f/w only */ +#define HFA384X_RID_SCANRESULTSTABLE 0xFD88 /* added in STA f/w 0.8.3 */ +#define HFA384X_RID_HOSTSCANRESULTS 0xFD89 /* added in STA f/w 1.3.1 */ +#define HFA384X_RID_AUTHENTICATIONUSED 0xFD8A /* added in STA f/w 1.3.4 */ +#define HFA384X_RID_CNFFAASWITCHCTRL 0xFD8B /* added in STA f/w 1.6.3 */ +#define HFA384X_RID_ASSOCIATIONFAILURE 0xFD8D /* added in STA f/w 1.8.0 */ +#define HFA384X_RID_PHYTYPE 0xFDC0 +#define HFA384X_RID_CURRENTCHANNEL 0xFDC1 +#define HFA384X_RID_CURRENTPOWERSTATE 0xFDC2 +#define HFA384X_RID_CCAMODE 0xFDC3 +#define HFA384X_RID_SUPPORTEDDATARATES 0xFDC6 +#define HFA384X_RID_LFO_VOLT_REG_TEST_RES 0xFDC7 /* added in STA f/w 1.7.1 */ +#define HFA384X_RID_BUILDSEQ 0xFFFE +#define HFA384X_RID_FWID 0xFFFF + + +struct hfa384x_comp_ident +{ + __le16 id; + __le16 variant; + __le16 major; + __le16 minor; +} __packed; + +#define HFA384X_COMP_ID_PRI 0x15 +#define HFA384X_COMP_ID_STA 0x1f +#define HFA384X_COMP_ID_FW_AP 0x14b + +struct hfa384x_sup_range +{ + __le16 role; + __le16 id; + __le16 variant; + __le16 bottom; + __le16 top; +} __packed; + + +struct hfa384x_build_id +{ + __le16 pri_seq; + __le16 sec_seq; +} __packed; + +/* FD01 - Download Buffer */ +struct hfa384x_rid_download_buffer +{ + __le16 page; + __le16 offset; + __le16 length; +} __packed; + +/* BSS connection quality (RID FD43 range, RID FD51 dBm-normalized) */ +struct hfa384x_comms_quality { + __le16 comm_qual; /* 0 .. 92 */ + __le16 signal_level; /* 27 .. 154 */ + __le16 noise_level; /* 27 .. 154 */ +} __packed; + + +/* netdevice private ioctls (used, e.g., with iwpriv from user space) */ + +/* New wireless extensions API - SET/GET convention (even ioctl numbers are + * root only) + */ +#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0) +#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1) +#define PRISM2_IOCTL_WRITEMIF (SIOCIWFIRSTPRIV + 2) +#define PRISM2_IOCTL_READMIF (SIOCIWFIRSTPRIV + 3) +#define PRISM2_IOCTL_MONITOR (SIOCIWFIRSTPRIV + 4) +#define PRISM2_IOCTL_RESET (SIOCIWFIRSTPRIV + 6) +#define PRISM2_IOCTL_INQUIRE (SIOCIWFIRSTPRIV + 8) +#define PRISM2_IOCTL_WDS_ADD (SIOCIWFIRSTPRIV + 10) +#define PRISM2_IOCTL_WDS_DEL (SIOCIWFIRSTPRIV + 12) +#define PRISM2_IOCTL_SET_RID_WORD (SIOCIWFIRSTPRIV + 14) +#define PRISM2_IOCTL_MACCMD (SIOCIWFIRSTPRIV + 16) +#define PRISM2_IOCTL_ADDMAC (SIOCIWFIRSTPRIV + 18) +#define PRISM2_IOCTL_DELMAC (SIOCIWFIRSTPRIV + 20) +#define PRISM2_IOCTL_KICKMAC (SIOCIWFIRSTPRIV + 22) + +/* following are not in SIOCGIWPRIV list; check permission in the driver code + */ +#define PRISM2_IOCTL_DOWNLOAD (SIOCDEVPRIVATE + 13) +#define PRISM2_IOCTL_HOSTAPD (SIOCDEVPRIVATE + 14) + + +/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */ +enum { + /* PRISM2_PARAM_PTYPE = 1, */ /* REMOVED 2003-10-22 */ + PRISM2_PARAM_TXRATECTRL = 2, + PRISM2_PARAM_BEACON_INT = 3, + PRISM2_PARAM_PSEUDO_IBSS = 4, + PRISM2_PARAM_ALC = 5, + /* PRISM2_PARAM_TXPOWER = 6, */ /* REMOVED 2003-10-22 */ + PRISM2_PARAM_DUMP = 7, + PRISM2_PARAM_OTHER_AP_POLICY = 8, + PRISM2_PARAM_AP_MAX_INACTIVITY = 9, + PRISM2_PARAM_AP_BRIDGE_PACKETS = 10, + PRISM2_PARAM_DTIM_PERIOD = 11, + PRISM2_PARAM_AP_NULLFUNC_ACK = 12, + PRISM2_PARAM_MAX_WDS = 13, + PRISM2_PARAM_AP_AUTOM_AP_WDS = 14, + PRISM2_PARAM_AP_AUTH_ALGS = 15, + PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16, + PRISM2_PARAM_HOST_ENCRYPT = 17, + PRISM2_PARAM_HOST_DECRYPT = 18, + /* PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19, REMOVED 2005-08-14 */ + /* PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20, REMOVED 2005-08-14 */ + PRISM2_PARAM_HOST_ROAMING = 21, + PRISM2_PARAM_BCRX_STA_KEY = 22, + PRISM2_PARAM_IEEE_802_1X = 23, + PRISM2_PARAM_ANTSEL_TX = 24, + PRISM2_PARAM_ANTSEL_RX = 25, + PRISM2_PARAM_MONITOR_TYPE = 26, + PRISM2_PARAM_WDS_TYPE = 27, + PRISM2_PARAM_HOSTSCAN = 28, + PRISM2_PARAM_AP_SCAN = 29, + PRISM2_PARAM_ENH_SEC = 30, + PRISM2_PARAM_IO_DEBUG = 31, + PRISM2_PARAM_BASIC_RATES = 32, + PRISM2_PARAM_OPER_RATES = 33, + PRISM2_PARAM_HOSTAPD = 34, + PRISM2_PARAM_HOSTAPD_STA = 35, + PRISM2_PARAM_WPA = 36, + PRISM2_PARAM_PRIVACY_INVOKED = 37, + PRISM2_PARAM_TKIP_COUNTERMEASURES = 38, + PRISM2_PARAM_DROP_UNENCRYPTED = 39, + PRISM2_PARAM_SCAN_CHANNEL_MASK = 40, +}; + +enum { HOSTAP_ANTSEL_DO_NOT_TOUCH = 0, HOSTAP_ANTSEL_DIVERSITY = 1, + HOSTAP_ANTSEL_LOW = 2, HOSTAP_ANTSEL_HIGH = 3 }; + + +/* PRISM2_IOCTL_MACCMD ioctl() subcommands: */ +enum { AP_MAC_CMD_POLICY_OPEN = 0, AP_MAC_CMD_POLICY_ALLOW = 1, + AP_MAC_CMD_POLICY_DENY = 2, AP_MAC_CMD_FLUSH = 3, + AP_MAC_CMD_KICKALL = 4 }; + + +/* PRISM2_IOCTL_DOWNLOAD ioctl() dl_cmd: */ +enum { + PRISM2_DOWNLOAD_VOLATILE = 1 /* RAM */, + /* Note! Old versions of prism2_srec have a fatal error in CRC-16 + * calculation, which will corrupt all non-volatile downloads. + * PRISM2_DOWNLOAD_NON_VOLATILE used to be 2, but it is now 3 to + * prevent use of old versions of prism2_srec for non-volatile + * download. */ + PRISM2_DOWNLOAD_NON_VOLATILE = 3 /* FLASH */, + PRISM2_DOWNLOAD_VOLATILE_GENESIS = 4 /* RAM in Genesis mode */, + /* Persistent versions of volatile download commands (keep firmware + * data in memory and automatically re-download after hw_reset */ + PRISM2_DOWNLOAD_VOLATILE_PERSISTENT = 5, + PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT = 6, +}; + +struct prism2_download_param { + u32 dl_cmd; + u32 start_addr; + u32 num_areas; + struct prism2_download_area { + u32 addr; /* wlan card address */ + u32 len; + void __user *ptr; /* pointer to data in user space */ + } data[0]; +}; + +#define PRISM2_MAX_DOWNLOAD_AREA_LEN 131072 +#define PRISM2_MAX_DOWNLOAD_LEN 262144 + + +/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */ +enum { + PRISM2_HOSTAPD_FLUSH = 1, + PRISM2_HOSTAPD_ADD_STA = 2, + PRISM2_HOSTAPD_REMOVE_STA = 3, + PRISM2_HOSTAPD_GET_INFO_STA = 4, + /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */ + PRISM2_SET_ENCRYPTION = 6, + PRISM2_GET_ENCRYPTION = 7, + PRISM2_HOSTAPD_SET_FLAGS_STA = 8, + PRISM2_HOSTAPD_GET_RID = 9, + PRISM2_HOSTAPD_SET_RID = 10, + PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11, + PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12, + PRISM2_HOSTAPD_MLME = 13, + PRISM2_HOSTAPD_SCAN_REQ = 14, + PRISM2_HOSTAPD_STA_CLEAR_STATS = 15, +}; + +#define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024 +#define PRISM2_HOSTAPD_RID_HDR_LEN \ +offsetof(struct prism2_hostapd_param, u.rid.data) +#define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \ +offsetof(struct prism2_hostapd_param, u.generic_elem.data) + +/* Maximum length for algorithm names (-1 for nul termination) used in ioctl() + */ +#define HOSTAP_CRYPT_ALG_NAME_LEN 16 + + +struct prism2_hostapd_param { + u32 cmd; + u8 sta_addr[ETH_ALEN]; + union { + struct { + u16 aid; + u16 capability; + u8 tx_supp_rates; + } add_sta; + struct { + u32 inactive_sec; + } get_info_sta; + struct { + u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN]; + u32 flags; + u32 err; + u8 idx; + u8 seq[8]; /* sequence counter (set: RX, get: TX) */ + u16 key_len; + u8 key[0]; + } crypt; + struct { + u32 flags_and; + u32 flags_or; + } set_flags_sta; + struct { + u16 rid; + u16 len; + u8 data[0]; + } rid; + struct { + u8 len; + u8 data[0]; + } generic_elem; + struct { +#define MLME_STA_DEAUTH 0 +#define MLME_STA_DISASSOC 1 + u16 cmd; + u16 reason_code; + } mlme; + struct { + u8 ssid_len; + u8 ssid[32]; + } scan_req; + } u; +}; + +#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0) +#define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1) + +#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2 +#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3 +#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4 +#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5 +#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6 +#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7 + + +#endif /* HOSTAP_COMMON_H */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_config.h b/drivers/net/wireless/intersil/hostap/hostap_config.h new file mode 100644 index 000000000000..2c8f71f0ed45 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_config.h @@ -0,0 +1,48 @@ +#ifndef HOSTAP_CONFIG_H +#define HOSTAP_CONFIG_H + +/* In the previous versions of Host AP driver, support for user space version + * of IEEE 802.11 management (hostapd) used to be disabled in the default + * configuration. From now on, support for hostapd is always included and it is + * possible to disable kernel driver version of IEEE 802.11 management with a + * separate define, PRISM2_NO_KERNEL_IEEE80211_MGMT. */ +/* #define PRISM2_NO_KERNEL_IEEE80211_MGMT */ + +/* Maximum number of events handler per one interrupt */ +#define PRISM2_MAX_INTERRUPT_EVENTS 20 + +/* Include code for downloading firmware images into volatile RAM. */ +#define PRISM2_DOWNLOAD_SUPPORT + +/* Allow kernel configuration to enable download support. */ +#if !defined(PRISM2_DOWNLOAD_SUPPORT) && defined(CONFIG_HOSTAP_FIRMWARE) +#define PRISM2_DOWNLOAD_SUPPORT +#endif + +/* Allow kernel configuration to enable non-volatile download support. */ +#ifdef CONFIG_HOSTAP_FIRMWARE_NVRAM +#define PRISM2_NON_VOLATILE_DOWNLOAD +#endif + +/* Save low-level I/O for debugging. This should not be enabled in normal use. + */ +/* #define PRISM2_IO_DEBUG */ + +/* Following defines can be used to remove unneeded parts of the driver, e.g., + * to limit the size of the kernel module. Definitions can be added here in + * hostap_config.h or they can be added to make command with ccflags-y, + * e.g., + * 'make pccard ccflags-y="-DPRISM2_NO_DEBUG -DPRISM2_NO_PROCFS_DEBUG"' + */ + +/* Do not include debug messages into the driver */ +/* #define PRISM2_NO_DEBUG */ + +/* Do not include /proc/net/prism2/wlan#/{registers,debug} */ +/* #define PRISM2_NO_PROCFS_DEBUG */ + +/* Do not include station functionality (i.e., allow only Master (Host AP) mode + */ +/* #define PRISM2_NO_STATION_MODES */ + +#endif /* HOSTAP_CONFIG_H */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_cs.c b/drivers/net/wireless/intersil/hostap/hostap_cs.c new file mode 100644 index 000000000000..50033aa7c7d5 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_cs.c @@ -0,0 +1,708 @@ +#define PRISM2_PCCARD + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +#include "hostap_wlan.h" + + +static char *dev_info = "hostap_cs"; + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN " + "cards (PC Card)."); +MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)"); +MODULE_LICENSE("GPL"); + + +static int ignore_cis_vcc; +module_param(ignore_cis_vcc, int, 0444); +MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry"); + + +/* struct local_info::hw_priv */ +struct hostap_cs_priv { + struct pcmcia_device *link; + int sandisk_connectplus; +}; + + +#ifdef PRISM2_IO_DEBUG + +static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); + outb(v, dev->base_addr + a); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + u8 v; + + iface = netdev_priv(dev); + local = iface->local; + spin_lock_irqsave(&local->lock, flags); + v = inb(dev->base_addr + a); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); + spin_unlock_irqrestore(&local->lock, flags); + return v; +} + +static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); + outw(v, dev->base_addr + a); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + u16 v; + + iface = netdev_priv(dev); + local = iface->local; + spin_lock_irqsave(&local->lock, flags); + v = inw(dev->base_addr + a); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); + spin_unlock_irqrestore(&local->lock, flags); + return v; +} + +static inline void hfa384x_outsw_debug(struct net_device *dev, int a, + u8 *buf, int wc) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc); + outsw(dev->base_addr + a, buf, wc); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline void hfa384x_insw_debug(struct net_device *dev, int a, + u8 *buf, int wc) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc); + insw(dev->base_addr + a, buf, wc); + spin_unlock_irqrestore(&local->lock, flags); +} + +#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) +#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) +#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) +#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) +#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc)) +#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc)) + +#else /* PRISM2_IO_DEBUG */ + +#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a)) +#define HFA384X_INB(a) inb(dev->base_addr + (a)) +#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a)) +#define HFA384X_INW(a) inw(dev->base_addr + (a)) +#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc) +#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc) + +#endif /* PRISM2_IO_DEBUG */ + + +static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, + int len) +{ + u16 d_off; + u16 *pos; + + d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; + pos = (u16 *) buf; + + if (len / 2) + HFA384X_INSW(d_off, buf, len / 2); + pos += len / 2; + + if (len & 1) + *((char *) pos) = HFA384X_INB(d_off); + + return 0; +} + + +static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) +{ + u16 d_off; + u16 *pos; + + d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; + pos = (u16 *) buf; + + if (len / 2) + HFA384X_OUTSW(d_off, buf, len / 2); + pos += len / 2; + + if (len & 1) + HFA384X_OUTB(*((char *) pos), d_off); + + return 0; +} + + +/* FIX: This might change at some point.. */ +#include "hostap_hw.c" + + + +static void prism2_detach(struct pcmcia_device *p_dev); +static void prism2_release(u_long arg); +static int prism2_config(struct pcmcia_device *link); + + +static int prism2_pccard_card_present(local_info_t *local) +{ + struct hostap_cs_priv *hw_priv = local->hw_priv; + if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link)) + return 1; + return 0; +} + + +/* + * SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0 + * Document No. 20-10-00058, January 2004 + * http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf + */ +#define SANDISK_WLAN_ACTIVATION_OFF 0x40 +#define SANDISK_HCR_OFF 0x42 + + +static void sandisk_set_iobase(local_info_t *local) +{ + int res; + struct hostap_cs_priv *hw_priv = local->hw_priv; + + res = pcmcia_write_config_byte(hw_priv->link, 0x10, + hw_priv->link->resource[0]->start & 0x00ff); + if (res != 0) { + printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -" + " res=%d\n", res); + } + udelay(10); + + res = pcmcia_write_config_byte(hw_priv->link, 0x12, + (hw_priv->link->resource[0]->start >> 8) & 0x00ff); + if (res != 0) { + printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -" + " res=%d\n", res); + } +} + + +static void sandisk_write_hcr(local_info_t *local, int hcr) +{ + struct net_device *dev = local->dev; + int i; + + HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF); + udelay(50); + for (i = 0; i < 10; i++) { + HFA384X_OUTB(hcr, SANDISK_HCR_OFF); + } + udelay(55); + HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF); +} + + +static int sandisk_enable_wireless(struct net_device *dev) +{ + int res, ret = 0; + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + struct hostap_cs_priv *hw_priv = local->hw_priv; + + if (resource_size(hw_priv->link->resource[0]) < 0x42) { + /* Not enough ports to be SanDisk multi-function card */ + ret = -ENODEV; + goto done; + } + + if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) { + /* No SanDisk manfid found */ + ret = -ENODEV; + goto done; + } + + if (hw_priv->link->socket->functions < 2) { + /* No multi-function links found */ + ret = -ENODEV; + goto done; + } + + printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected" + " - using vendor-specific initialization\n", dev->name); + hw_priv->sandisk_connectplus = 1; + + res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, + COR_SOFT_RESET); + if (res != 0) { + printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", + dev->name, res); + goto done; + } + mdelay(5); + + /* + * Do not enable interrupts here to avoid some bogus events. Interrupts + * will be enabled during the first cor_sreset call. + */ + res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, + (COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE | + COR_FUNC_ENA)); + if (res != 0) { + printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n", + dev->name, res); + goto done; + } + mdelay(5); + + sandisk_set_iobase(local); + + HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF); + udelay(10); + HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF); + udelay(10); + +done: + return ret; +} + + +static void prism2_pccard_cor_sreset(local_info_t *local) +{ + int res; + u8 val; + struct hostap_cs_priv *hw_priv = local->hw_priv; + + if (!prism2_pccard_card_present(local)) + return; + + res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val); + if (res != 0) { + printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n", + res); + return; + } + printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n", + val); + + val |= COR_SOFT_RESET; + res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val); + if (res != 0) { + printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n", + res); + return; + } + + mdelay(hw_priv->sandisk_connectplus ? 5 : 2); + + val &= ~COR_SOFT_RESET; + if (hw_priv->sandisk_connectplus) + val |= COR_IREQ_ENA; + res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val); + if (res != 0) { + printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n", + res); + return; + } + + mdelay(hw_priv->sandisk_connectplus ? 5 : 2); + + if (hw_priv->sandisk_connectplus) + sandisk_set_iobase(local); +} + + +static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) +{ + int res; + u8 old_cor; + struct hostap_cs_priv *hw_priv = local->hw_priv; + + if (!prism2_pccard_card_present(local)) + return; + + if (hw_priv->sandisk_connectplus) { + sandisk_write_hcr(local, hcr); + return; + } + + res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor); + if (res != 0) { + printk(KERN_DEBUG "%s failed 1 (%d)\n", __func__, res); + return; + } + printk(KERN_DEBUG "%s: original COR %02x\n", __func__, old_cor); + + res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, + old_cor | COR_SOFT_RESET); + if (res != 0) { + printk(KERN_DEBUG "%s failed 2 (%d)\n", __func__, res); + return; + } + + mdelay(10); + + /* Setup Genesis mode */ + res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr); + if (res != 0) { + printk(KERN_DEBUG "%s failed 3 (%d)\n", __func__, res); + return; + } + mdelay(10); + + res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, + old_cor & ~COR_SOFT_RESET); + if (res != 0) { + printk(KERN_DEBUG "%s failed 4 (%d)\n", __func__, res); + return; + } + + mdelay(10); +} + + +static struct prism2_helper_functions prism2_pccard_funcs = +{ + .card_present = prism2_pccard_card_present, + .cor_sreset = prism2_pccard_cor_sreset, + .genesis_reset = prism2_pccard_genesis_reset, + .hw_type = HOSTAP_HW_PCCARD, +}; + + +/* allocate local data and register with CardServices + * initialize dev_link structure, but do not configure the card yet */ +static int hostap_cs_probe(struct pcmcia_device *p_dev) +{ + int ret; + + PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info); + + ret = prism2_config(p_dev); + if (ret) { + PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); + } + + return ret; +} + + +static void prism2_detach(struct pcmcia_device *link) +{ + PDEBUG(DEBUG_FLOW, "prism2_detach\n"); + + prism2_release((u_long)link); + + /* release net devices */ + if (link->priv) { + struct hostap_cs_priv *hw_priv; + struct net_device *dev; + struct hostap_interface *iface; + dev = link->priv; + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + prism2_free_local_data(dev); + kfree(hw_priv); + } +} + + +static int prism2_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + if (p_dev->config_index == 0) + return -EINVAL; + + return pcmcia_request_io(p_dev); +} + +static int prism2_config(struct pcmcia_device *link) +{ + struct net_device *dev; + struct hostap_interface *iface; + local_info_t *local; + int ret = 1; + struct hostap_cs_priv *hw_priv; + unsigned long flags; + + PDEBUG(DEBUG_FLOW, "prism2_config()\n"); + + hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); + if (hw_priv == NULL) { + ret = -ENOMEM; + goto failed; + } + + /* Look for an appropriate configuration table entry in the CIS */ + link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | + CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO | CONF_ENABLE_IRQ; + if (ignore_cis_vcc) + link->config_flags &= ~CONF_AUTO_CHECK_VCC; + ret = pcmcia_loop_config(link, prism2_config_check, NULL); + if (ret) { + if (!ignore_cis_vcc) + printk(KERN_ERR "GetNextTuple(): No matching " + "CIS configuration. Maybe you need the " + "ignore_cis_vcc=1 parameter.\n"); + goto failed; + } + + /* Need to allocate net_device before requesting IRQ handler */ + dev = prism2_init_local_data(&prism2_pccard_funcs, 0, + &link->dev); + if (dev == NULL) + goto failed; + link->priv = dev; + + iface = netdev_priv(dev); + local = iface->local; + local->hw_priv = hw_priv; + hw_priv->link = link; + + /* + * We enable IRQ here, but IRQ handler will not proceed + * until dev->base_addr is set below. This protect us from + * receive interrupts when driver is not initialized. + */ + ret = pcmcia_request_irq(link, prism2_interrupt); + if (ret) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + spin_lock_irqsave(&local->irq_init_lock, flags); + dev->irq = link->irq; + dev->base_addr = link->resource[0]->start; + spin_unlock_irqrestore(&local->irq_init_lock, flags); + + local->shutdown = 0; + + sandisk_enable_wireless(dev); + + ret = prism2_hw_config(dev, 1); + if (!ret) + ret = hostap_hw_ready(dev); + + return ret; + + failed: + kfree(hw_priv); + prism2_release((u_long)link); + return ret; +} + + +static void prism2_release(u_long arg) +{ + struct pcmcia_device *link = (struct pcmcia_device *)arg; + + PDEBUG(DEBUG_FLOW, "prism2_release\n"); + + if (link->priv) { + struct net_device *dev = link->priv; + struct hostap_interface *iface; + + iface = netdev_priv(dev); + prism2_hw_shutdown(dev, 0); + iface->local->shutdown = 1; + } + + pcmcia_disable_device(link); + PDEBUG(DEBUG_FLOW, "release - done\n"); +} + +static int hostap_cs_suspend(struct pcmcia_device *link) +{ + struct net_device *dev = (struct net_device *) link->priv; + int dev_open = 0; + struct hostap_interface *iface = NULL; + + if (!dev) + return -ENODEV; + + iface = netdev_priv(dev); + + PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); + if (iface && iface->local) + dev_open = iface->local->num_dev_open > 0; + if (dev_open) { + netif_stop_queue(dev); + netif_device_detach(dev); + } + prism2_suspend(dev); + + return 0; +} + +static int hostap_cs_resume(struct pcmcia_device *link) +{ + struct net_device *dev = (struct net_device *) link->priv; + int dev_open = 0; + struct hostap_interface *iface = NULL; + + if (!dev) + return -ENODEV; + + iface = netdev_priv(dev); + + PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); + + if (iface && iface->local) + dev_open = iface->local->num_dev_open > 0; + + prism2_hw_shutdown(dev, 1); + prism2_hw_config(dev, dev_open ? 0 : 1); + if (dev_open) { + netif_device_attach(dev); + netif_start_queue(dev); + } + + return 0; +} + +static const struct pcmcia_device_id hostap_cs_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), + PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), + PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), + PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), + PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301), + PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), + PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b), + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), + PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), + PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001), + PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001), + PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), +/* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */ + PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010), + PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002), + PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF", + 0x2d858104), + PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL", + 0x74c5e40d), + PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil", + 0x4b801a17), + PCMCIA_DEVICE_MANF_CARD_PROD_ID3(0x0156, 0x0002, "Version 01.02", + 0x4b74baa0), + PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus", + 0x7a954bd9, 0x74be00c6), + PCMCIA_DEVICE_PROD_ID123( + "Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02", + 0xe6ec52ce, 0x08649af2, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID123( + "Canon", "Wireless LAN CF Card K30225", "Version 01.00", + 0x96ef6fe2, 0x263fcbab, 0xa57adb8c), + PCMCIA_DEVICE_PROD_ID123( + "D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02", + 0x71b18589, 0xb6f1b0ab, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID123( + "Instant Wireless ", " Network PC CARD", "Version 01.02", + 0x11d901af, 0x6e9bd926, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID123( + "SMC", "SMC2632W", "Version 01.02", + 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", + 0x2decece3, 0x82067c18), + PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card", + 0x54f7c49c, 0x15a75e5b), + PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", + 0x74c5e40d, 0xdb472a18), + PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card", + 0x0733cc81, 0x0c52f395), + PCMCIA_DEVICE_PROD_ID12( + "ZoomAir 11Mbps High", "Rate wireless Networking", + 0x273fe3db, 0x32a1eaee), + PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401 Wireless PC", "Card", + 0xa37434e9, 0x9762e8f1), + PCMCIA_DEVICE_PROD_ID123( + "Pretec", "CompactWLAN Card 802.11b", "2.5", + 0x1cadd3e5, 0xe697636c, 0x7a5bfcf1), + PCMCIA_DEVICE_PROD_ID123( + "U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", + 0xc7b8df9d, 0x1700d087, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID123( + "Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio", + "Ver. 1.00", + 0x5cd01705, 0x4271660f, 0x9d08ee12), + PCMCIA_DEVICE_PROD_ID123( + "Wireless LAN" , "11Mbps PC Card", "Version 01.02", + 0x4b8870ff, 0x70e946d1, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092), + PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2), + PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b), + PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39), + PCMCIA_DEVICE_NULL +}; +MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids); + + +static struct pcmcia_driver hostap_driver = { + .name = "hostap_cs", + .probe = hostap_cs_probe, + .remove = prism2_detach, + .owner = THIS_MODULE, + .id_table = hostap_cs_ids, + .suspend = hostap_cs_suspend, + .resume = hostap_cs_resume, +}; +module_pcmcia_driver(hostap_driver); diff --git a/drivers/net/wireless/intersil/hostap/hostap_download.c b/drivers/net/wireless/intersil/hostap/hostap_download.c new file mode 100644 index 000000000000..705fe668b969 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_download.c @@ -0,0 +1,812 @@ +static int prism2_enable_aux_port(struct net_device *dev, int enable) +{ + u16 val, reg; + int i, tries; + unsigned long flags; + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->no_pri) { + if (enable) { + PDEBUG(DEBUG_EXTRA2, "%s: no PRI f/w - assuming Aux " + "port is already enabled\n", dev->name); + } + return 0; + } + + spin_lock_irqsave(&local->cmdlock, flags); + + /* wait until busy bit is clear */ + tries = HFA384X_CMD_BUSY_TIMEOUT; + while (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY && tries > 0) { + tries--; + udelay(1); + } + if (tries == 0) { + reg = HFA384X_INW(HFA384X_CMD_OFF); + spin_unlock_irqrestore(&local->cmdlock, flags); + printk("%s: prism2_enable_aux_port - timeout - reg=0x%04x\n", + dev->name, reg); + return -ETIMEDOUT; + } + + val = HFA384X_INW(HFA384X_CONTROL_OFF); + + if (enable) { + HFA384X_OUTW(HFA384X_AUX_MAGIC0, HFA384X_PARAM0_OFF); + HFA384X_OUTW(HFA384X_AUX_MAGIC1, HFA384X_PARAM1_OFF); + HFA384X_OUTW(HFA384X_AUX_MAGIC2, HFA384X_PARAM2_OFF); + + if ((val & HFA384X_AUX_PORT_MASK) != HFA384X_AUX_PORT_DISABLED) + printk("prism2_enable_aux_port: was not disabled!?\n"); + val &= ~HFA384X_AUX_PORT_MASK; + val |= HFA384X_AUX_PORT_ENABLE; + } else { + HFA384X_OUTW(0, HFA384X_PARAM0_OFF); + HFA384X_OUTW(0, HFA384X_PARAM1_OFF); + HFA384X_OUTW(0, HFA384X_PARAM2_OFF); + + if ((val & HFA384X_AUX_PORT_MASK) != HFA384X_AUX_PORT_ENABLED) + printk("prism2_enable_aux_port: was not enabled!?\n"); + val &= ~HFA384X_AUX_PORT_MASK; + val |= HFA384X_AUX_PORT_DISABLE; + } + HFA384X_OUTW(val, HFA384X_CONTROL_OFF); + + udelay(5); + + i = 10000; + while (i > 0) { + val = HFA384X_INW(HFA384X_CONTROL_OFF); + val &= HFA384X_AUX_PORT_MASK; + + if ((enable && val == HFA384X_AUX_PORT_ENABLED) || + (!enable && val == HFA384X_AUX_PORT_DISABLED)) + break; + + udelay(10); + i--; + } + + spin_unlock_irqrestore(&local->cmdlock, flags); + + if (i == 0) { + printk("prism2_enable_aux_port(%d) timed out\n", + enable); + return -ETIMEDOUT; + } + + return 0; +} + + +static int hfa384x_from_aux(struct net_device *dev, unsigned int addr, int len, + void *buf) +{ + u16 page, offset; + if (addr & 1 || len & 1) + return -1; + + page = addr >> 7; + offset = addr & 0x7f; + + HFA384X_OUTW(page, HFA384X_AUXPAGE_OFF); + HFA384X_OUTW(offset, HFA384X_AUXOFFSET_OFF); + + udelay(5); + +#ifdef PRISM2_PCI + { + __le16 *pos = (__le16 *) buf; + while (len > 0) { + *pos++ = HFA384X_INW_DATA(HFA384X_AUXDATA_OFF); + len -= 2; + } + } +#else /* PRISM2_PCI */ + HFA384X_INSW(HFA384X_AUXDATA_OFF, buf, len / 2); +#endif /* PRISM2_PCI */ + + return 0; +} + + +static int hfa384x_to_aux(struct net_device *dev, unsigned int addr, int len, + void *buf) +{ + u16 page, offset; + if (addr & 1 || len & 1) + return -1; + + page = addr >> 7; + offset = addr & 0x7f; + + HFA384X_OUTW(page, HFA384X_AUXPAGE_OFF); + HFA384X_OUTW(offset, HFA384X_AUXOFFSET_OFF); + + udelay(5); + +#ifdef PRISM2_PCI + { + __le16 *pos = (__le16 *) buf; + while (len > 0) { + HFA384X_OUTW_DATA(*pos++, HFA384X_AUXDATA_OFF); + len -= 2; + } + } +#else /* PRISM2_PCI */ + HFA384X_OUTSW(HFA384X_AUXDATA_OFF, buf, len / 2); +#endif /* PRISM2_PCI */ + + return 0; +} + + +static int prism2_pda_ok(u8 *buf) +{ + __le16 *pda = (__le16 *) buf; + int pos; + u16 len, pdr; + + if (buf[0] == 0xff && buf[1] == 0x00 && buf[2] == 0xff && + buf[3] == 0x00) + return 0; + + pos = 0; + while (pos + 1 < PRISM2_PDA_SIZE / 2) { + len = le16_to_cpu(pda[pos]); + pdr = le16_to_cpu(pda[pos + 1]); + if (len == 0 || pos + len > PRISM2_PDA_SIZE / 2) + return 0; + + if (pdr == 0x0000 && len == 2) { + /* PDA end found */ + return 1; + } + + pos += len + 1; + } + + return 0; +} + + +#define prism2_download_aux_dump_npages 65536 + +struct prism2_download_aux_dump { + local_info_t *local; + u16 page[0x80]; +}; + +static int prism2_download_aux_dump_proc_show(struct seq_file *m, void *v) +{ + struct prism2_download_aux_dump *ctx = m->private; + + hfa384x_from_aux(ctx->local->dev, (unsigned long)v - 1, 0x80, ctx->page); + seq_write(m, ctx->page, 0x80); + return 0; +} + +static void *prism2_download_aux_dump_proc_start(struct seq_file *m, loff_t *_pos) +{ + struct prism2_download_aux_dump *ctx = m->private; + prism2_enable_aux_port(ctx->local->dev, 1); + if (*_pos >= prism2_download_aux_dump_npages) + return NULL; + return (void *)((unsigned long)*_pos + 1); +} + +static void *prism2_download_aux_dump_proc_next(struct seq_file *m, void *v, loff_t *_pos) +{ + ++*_pos; + if (*_pos >= prism2_download_aux_dump_npages) + return NULL; + return (void *)((unsigned long)*_pos + 1); +} + +static void prism2_download_aux_dump_proc_stop(struct seq_file *m, void *v) +{ + struct prism2_download_aux_dump *ctx = m->private; + prism2_enable_aux_port(ctx->local->dev, 0); +} + +static const struct seq_operations prism2_download_aux_dump_proc_seqops = { + .start = prism2_download_aux_dump_proc_start, + .next = prism2_download_aux_dump_proc_next, + .stop = prism2_download_aux_dump_proc_stop, + .show = prism2_download_aux_dump_proc_show, +}; + +static int prism2_download_aux_dump_proc_open(struct inode *inode, struct file *file) +{ + int ret = seq_open_private(file, &prism2_download_aux_dump_proc_seqops, + sizeof(struct prism2_download_aux_dump)); + if (ret == 0) { + struct seq_file *m = file->private_data; + m->private = PDE_DATA(inode); + } + return ret; +} + +static const struct file_operations prism2_download_aux_dump_proc_fops = { + .open = prism2_download_aux_dump_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release_private, +}; + + +static u8 * prism2_read_pda(struct net_device *dev) +{ + u8 *buf; + int res, i, found = 0; +#define NUM_PDA_ADDRS 4 + unsigned int pda_addr[NUM_PDA_ADDRS] = { + 0x7f0000 /* others than HFA3841 */, + 0x3f0000 /* HFA3841 */, + 0x390000 /* apparently used in older cards */, + 0x7f0002 /* Intel PRO/Wireless 2011B (PCI) */, + }; + + buf = kmalloc(PRISM2_PDA_SIZE, GFP_KERNEL); + if (buf == NULL) + return NULL; + + /* Note: wlan card should be in initial state (just after init cmd) + * and no other operations should be performed concurrently. */ + + prism2_enable_aux_port(dev, 1); + + for (i = 0; i < NUM_PDA_ADDRS; i++) { + PDEBUG(DEBUG_EXTRA2, "%s: trying to read PDA from 0x%08x", + dev->name, pda_addr[i]); + res = hfa384x_from_aux(dev, pda_addr[i], PRISM2_PDA_SIZE, buf); + if (res) + continue; + if (res == 0 && prism2_pda_ok(buf)) { + PDEBUG2(DEBUG_EXTRA2, ": OK\n"); + found = 1; + break; + } else { + PDEBUG2(DEBUG_EXTRA2, ": failed\n"); + } + } + + prism2_enable_aux_port(dev, 0); + + if (!found) { + printk(KERN_DEBUG "%s: valid PDA not found\n", dev->name); + kfree(buf); + buf = NULL; + } + + return buf; +} + + +static int prism2_download_volatile(local_info_t *local, + struct prism2_download_data *param) +{ + struct net_device *dev = local->dev; + int ret = 0, i; + u16 param0, param1; + + if (local->hw_downloading) { + printk(KERN_WARNING "%s: Already downloading - aborting new " + "request\n", dev->name); + return -1; + } + + local->hw_downloading = 1; + if (local->pri_only) { + hfa384x_disable_interrupts(dev); + } else { + prism2_hw_shutdown(dev, 0); + + if (prism2_hw_init(dev, 0)) { + printk(KERN_WARNING "%s: Could not initialize card for" + " download\n", dev->name); + ret = -1; + goto out; + } + } + + if (prism2_enable_aux_port(dev, 1)) { + printk(KERN_WARNING "%s: Could not enable AUX port\n", + dev->name); + ret = -1; + goto out; + } + + param0 = param->start_addr & 0xffff; + param1 = param->start_addr >> 16; + + HFA384X_OUTW(0, HFA384X_PARAM2_OFF); + HFA384X_OUTW(param1, HFA384X_PARAM1_OFF); + if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | + (HFA384X_PROGMODE_ENABLE_VOLATILE << 8), + param0)) { + printk(KERN_WARNING "%s: Download command execution failed\n", + dev->name); + ret = -1; + goto out; + } + + for (i = 0; i < param->num_areas; i++) { + PDEBUG(DEBUG_EXTRA2, "%s: Writing %d bytes at 0x%08x\n", + dev->name, param->data[i].len, param->data[i].addr); + if (hfa384x_to_aux(dev, param->data[i].addr, + param->data[i].len, param->data[i].data)) { + printk(KERN_WARNING "%s: RAM download at 0x%08x " + "(len=%d) failed\n", dev->name, + param->data[i].addr, param->data[i].len); + ret = -1; + goto out; + } + } + + HFA384X_OUTW(param1, HFA384X_PARAM1_OFF); + HFA384X_OUTW(0, HFA384X_PARAM2_OFF); + if (hfa384x_cmd_no_wait(dev, HFA384X_CMDCODE_DOWNLOAD | + (HFA384X_PROGMODE_DISABLE << 8), param0)) { + printk(KERN_WARNING "%s: Download command execution failed\n", + dev->name); + ret = -1; + goto out; + } + /* ProgMode disable causes the hardware to restart itself from the + * given starting address. Give hw some time and ACK command just in + * case restart did not happen. */ + mdelay(5); + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); + + if (prism2_enable_aux_port(dev, 0)) { + printk(KERN_DEBUG "%s: Disabling AUX port failed\n", + dev->name); + /* continue anyway.. restart should have taken care of this */ + } + + mdelay(5); + local->hw_downloading = 0; + if (prism2_hw_config(dev, 2)) { + printk(KERN_WARNING "%s: Card configuration after RAM " + "download failed\n", dev->name); + ret = -1; + goto out; + } + + out: + local->hw_downloading = 0; + return ret; +} + + +static int prism2_enable_genesis(local_info_t *local, int hcr) +{ + struct net_device *dev = local->dev; + u8 initseq[4] = { 0x00, 0xe1, 0xa1, 0xff }; + u8 readbuf[4]; + + printk(KERN_DEBUG "%s: test Genesis mode with HCR 0x%02x\n", + dev->name, hcr); + local->func->cor_sreset(local); + hfa384x_to_aux(dev, 0x7e0038, sizeof(initseq), initseq); + local->func->genesis_reset(local, hcr); + + /* Readback test */ + hfa384x_from_aux(dev, 0x7e0038, sizeof(readbuf), readbuf); + hfa384x_to_aux(dev, 0x7e0038, sizeof(initseq), initseq); + hfa384x_from_aux(dev, 0x7e0038, sizeof(readbuf), readbuf); + + if (memcmp(initseq, readbuf, sizeof(initseq)) == 0) { + printk(KERN_DEBUG "Readback test succeeded, HCR 0x%02x\n", + hcr); + return 0; + } else { + printk(KERN_DEBUG "Readback test failed, HCR 0x%02x " + "write %02x %02x %02x %02x read %02x %02x %02x %02x\n", + hcr, initseq[0], initseq[1], initseq[2], initseq[3], + readbuf[0], readbuf[1], readbuf[2], readbuf[3]); + return 1; + } +} + + +static int prism2_get_ram_size(local_info_t *local) +{ + int ret; + + /* Try to enable genesis mode; 0x1F for x8 SRAM or 0x0F for x16 SRAM */ + if (prism2_enable_genesis(local, 0x1f) == 0) + ret = 8; + else if (prism2_enable_genesis(local, 0x0f) == 0) + ret = 16; + else + ret = -1; + + /* Disable genesis mode */ + local->func->genesis_reset(local, ret == 16 ? 0x07 : 0x17); + + return ret; +} + + +static int prism2_download_genesis(local_info_t *local, + struct prism2_download_data *param) +{ + struct net_device *dev = local->dev; + int ram16 = 0, i; + int ret = 0; + + if (local->hw_downloading) { + printk(KERN_WARNING "%s: Already downloading - aborting new " + "request\n", dev->name); + return -EBUSY; + } + + if (!local->func->genesis_reset || !local->func->cor_sreset) { + printk(KERN_INFO "%s: Genesis mode downloading not supported " + "with this hwmodel\n", dev->name); + return -EOPNOTSUPP; + } + + local->hw_downloading = 1; + + if (prism2_enable_aux_port(dev, 1)) { + printk(KERN_DEBUG "%s: failed to enable AUX port\n", + dev->name); + ret = -EIO; + goto out; + } + + if (local->sram_type == -1) { + /* 0x1F for x8 SRAM or 0x0F for x16 SRAM */ + if (prism2_enable_genesis(local, 0x1f) == 0) { + ram16 = 0; + PDEBUG(DEBUG_EXTRA2, "%s: Genesis mode OK using x8 " + "SRAM\n", dev->name); + } else if (prism2_enable_genesis(local, 0x0f) == 0) { + ram16 = 1; + PDEBUG(DEBUG_EXTRA2, "%s: Genesis mode OK using x16 " + "SRAM\n", dev->name); + } else { + printk(KERN_DEBUG "%s: Could not initiate genesis " + "mode\n", dev->name); + ret = -EIO; + goto out; + } + } else { + if (prism2_enable_genesis(local, local->sram_type == 8 ? + 0x1f : 0x0f)) { + printk(KERN_DEBUG "%s: Failed to set Genesis " + "mode (sram_type=%d)\n", dev->name, + local->sram_type); + ret = -EIO; + goto out; + } + ram16 = local->sram_type != 8; + } + + for (i = 0; i < param->num_areas; i++) { + PDEBUG(DEBUG_EXTRA2, "%s: Writing %d bytes at 0x%08x\n", + dev->name, param->data[i].len, param->data[i].addr); + if (hfa384x_to_aux(dev, param->data[i].addr, + param->data[i].len, param->data[i].data)) { + printk(KERN_WARNING "%s: RAM download at 0x%08x " + "(len=%d) failed\n", dev->name, + param->data[i].addr, param->data[i].len); + ret = -EIO; + goto out; + } + } + + PDEBUG(DEBUG_EXTRA2, "Disable genesis mode\n"); + local->func->genesis_reset(local, ram16 ? 0x07 : 0x17); + if (prism2_enable_aux_port(dev, 0)) { + printk(KERN_DEBUG "%s: Failed to disable AUX port\n", + dev->name); + } + + mdelay(5); + local->hw_downloading = 0; + + PDEBUG(DEBUG_EXTRA2, "Trying to initialize card\n"); + /* + * Make sure the INIT command does not generate a command completion + * event by disabling interrupts. + */ + hfa384x_disable_interrupts(dev); + if (prism2_hw_init(dev, 1)) { + printk(KERN_DEBUG "%s: Initialization after genesis mode " + "download failed\n", dev->name); + ret = -EIO; + goto out; + } + + PDEBUG(DEBUG_EXTRA2, "Card initialized - running PRI only\n"); + if (prism2_hw_init2(dev, 1)) { + printk(KERN_DEBUG "%s: Initialization(2) after genesis mode " + "download failed\n", dev->name); + ret = -EIO; + goto out; + } + + out: + local->hw_downloading = 0; + return ret; +} + + +#ifdef PRISM2_NON_VOLATILE_DOWNLOAD +/* Note! Non-volatile downloading functionality has not yet been tested + * thoroughly and it may corrupt flash image and effectively kill the card that + * is being updated. You have been warned. */ + +static inline int prism2_download_block(struct net_device *dev, + u32 addr, u8 *data, + u32 bufaddr, int rest_len) +{ + u16 param0, param1; + int block_len; + + block_len = rest_len < 4096 ? rest_len : 4096; + + param0 = addr & 0xffff; + param1 = addr >> 16; + + HFA384X_OUTW(block_len, HFA384X_PARAM2_OFF); + HFA384X_OUTW(param1, HFA384X_PARAM1_OFF); + + if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | + (HFA384X_PROGMODE_ENABLE_NON_VOLATILE << 8), + param0)) { + printk(KERN_WARNING "%s: Flash download command execution " + "failed\n", dev->name); + return -1; + } + + if (hfa384x_to_aux(dev, bufaddr, block_len, data)) { + printk(KERN_WARNING "%s: flash download at 0x%08x " + "(len=%d) failed\n", dev->name, addr, block_len); + return -1; + } + + HFA384X_OUTW(0, HFA384X_PARAM2_OFF); + HFA384X_OUTW(0, HFA384X_PARAM1_OFF); + if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | + (HFA384X_PROGMODE_PROGRAM_NON_VOLATILE << 8), + 0)) { + printk(KERN_WARNING "%s: Flash write command execution " + "failed\n", dev->name); + return -1; + } + + return block_len; +} + + +static int prism2_download_nonvolatile(local_info_t *local, + struct prism2_download_data *dl) +{ + struct net_device *dev = local->dev; + int ret = 0, i; + struct { + __le16 page; + __le16 offset; + __le16 len; + } dlbuffer; + u32 bufaddr; + + if (local->hw_downloading) { + printk(KERN_WARNING "%s: Already downloading - aborting new " + "request\n", dev->name); + return -1; + } + + ret = local->func->get_rid(dev, HFA384X_RID_DOWNLOADBUFFER, + &dlbuffer, 6, 0); + + if (ret < 0) { + printk(KERN_WARNING "%s: Could not read download buffer " + "parameters\n", dev->name); + goto out; + } + + printk(KERN_DEBUG "Download buffer: %d bytes at 0x%04x:0x%04x\n", + le16_to_cpu(dlbuffer.len), + le16_to_cpu(dlbuffer.page), + le16_to_cpu(dlbuffer.offset)); + + bufaddr = (le16_to_cpu(dlbuffer.page) << 7) + le16_to_cpu(dlbuffer.offset); + + local->hw_downloading = 1; + + if (!local->pri_only) { + prism2_hw_shutdown(dev, 0); + + if (prism2_hw_init(dev, 0)) { + printk(KERN_WARNING "%s: Could not initialize card for" + " download\n", dev->name); + ret = -1; + goto out; + } + } + + hfa384x_disable_interrupts(dev); + + if (prism2_enable_aux_port(dev, 1)) { + printk(KERN_WARNING "%s: Could not enable AUX port\n", + dev->name); + ret = -1; + goto out; + } + + printk(KERN_DEBUG "%s: starting flash download\n", dev->name); + for (i = 0; i < dl->num_areas; i++) { + int rest_len = dl->data[i].len; + int data_off = 0; + + while (rest_len > 0) { + int block_len; + + block_len = prism2_download_block( + dev, dl->data[i].addr + data_off, + dl->data[i].data + data_off, bufaddr, + rest_len); + + if (block_len < 0) { + ret = -1; + goto out; + } + + rest_len -= block_len; + data_off += block_len; + } + } + + HFA384X_OUTW(0, HFA384X_PARAM1_OFF); + HFA384X_OUTW(0, HFA384X_PARAM2_OFF); + if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_DOWNLOAD | + (HFA384X_PROGMODE_DISABLE << 8), 0)) { + printk(KERN_WARNING "%s: Download command execution failed\n", + dev->name); + ret = -1; + goto out; + } + + if (prism2_enable_aux_port(dev, 0)) { + printk(KERN_DEBUG "%s: Disabling AUX port failed\n", + dev->name); + /* continue anyway.. restart should have taken care of this */ + } + + mdelay(5); + + local->func->hw_reset(dev); + local->hw_downloading = 0; + if (prism2_hw_config(dev, 2)) { + printk(KERN_WARNING "%s: Card configuration after flash " + "download failed\n", dev->name); + ret = -1; + } else { + printk(KERN_INFO "%s: Card initialized successfully after " + "flash download\n", dev->name); + } + + out: + local->hw_downloading = 0; + return ret; +} +#endif /* PRISM2_NON_VOLATILE_DOWNLOAD */ + + +static void prism2_download_free_data(struct prism2_download_data *dl) +{ + int i; + + if (dl == NULL) + return; + + for (i = 0; i < dl->num_areas; i++) + kfree(dl->data[i].data); + kfree(dl); +} + + +static int prism2_download(local_info_t *local, + struct prism2_download_param *param) +{ + int ret = 0; + int i; + u32 total_len = 0; + struct prism2_download_data *dl = NULL; + + printk(KERN_DEBUG "prism2_download: dl_cmd=%d start_addr=0x%08x " + "num_areas=%d\n", + param->dl_cmd, param->start_addr, param->num_areas); + + if (param->num_areas > 100) { + ret = -EINVAL; + goto out; + } + + dl = kzalloc(sizeof(*dl) + param->num_areas * + sizeof(struct prism2_download_data_area), GFP_KERNEL); + if (dl == NULL) { + ret = -ENOMEM; + goto out; + } + dl->dl_cmd = param->dl_cmd; + dl->start_addr = param->start_addr; + dl->num_areas = param->num_areas; + for (i = 0; i < param->num_areas; i++) { + PDEBUG(DEBUG_EXTRA2, + " area %d: addr=0x%08x len=%d ptr=0x%p\n", + i, param->data[i].addr, param->data[i].len, + param->data[i].ptr); + + dl->data[i].addr = param->data[i].addr; + dl->data[i].len = param->data[i].len; + + total_len += param->data[i].len; + if (param->data[i].len > PRISM2_MAX_DOWNLOAD_AREA_LEN || + total_len > PRISM2_MAX_DOWNLOAD_LEN) { + ret = -E2BIG; + goto out; + } + + dl->data[i].data = kmalloc(dl->data[i].len, GFP_KERNEL); + if (dl->data[i].data == NULL) { + ret = -ENOMEM; + goto out; + } + + if (copy_from_user(dl->data[i].data, param->data[i].ptr, + param->data[i].len)) { + ret = -EFAULT; + goto out; + } + } + + switch (param->dl_cmd) { + case PRISM2_DOWNLOAD_VOLATILE: + case PRISM2_DOWNLOAD_VOLATILE_PERSISTENT: + ret = prism2_download_volatile(local, dl); + break; + case PRISM2_DOWNLOAD_VOLATILE_GENESIS: + case PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT: + ret = prism2_download_genesis(local, dl); + break; + case PRISM2_DOWNLOAD_NON_VOLATILE: +#ifdef PRISM2_NON_VOLATILE_DOWNLOAD + ret = prism2_download_nonvolatile(local, dl); +#else /* PRISM2_NON_VOLATILE_DOWNLOAD */ + printk(KERN_INFO "%s: non-volatile downloading not enabled\n", + local->dev->name); + ret = -EOPNOTSUPP; +#endif /* PRISM2_NON_VOLATILE_DOWNLOAD */ + break; + default: + printk(KERN_DEBUG "%s: unsupported download command %d\n", + local->dev->name, param->dl_cmd); + ret = -EINVAL; + break; + } + + out: + if (ret == 0 && dl && + param->dl_cmd == PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT) { + prism2_download_free_data(local->dl_pri); + local->dl_pri = dl; + } else if (ret == 0 && dl && + param->dl_cmd == PRISM2_DOWNLOAD_VOLATILE_PERSISTENT) { + prism2_download_free_data(local->dl_sec); + local->dl_sec = dl; + } else + prism2_download_free_data(dl); + + return ret; +} diff --git a/drivers/net/wireless/intersil/hostap/hostap_hw.c b/drivers/net/wireless/intersil/hostap/hostap_hw.c new file mode 100644 index 000000000000..6df3ee561d52 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_hw.c @@ -0,0 +1,3424 @@ +/* + * Host AP (software wireless LAN access point) driver for + * Intersil Prism2/2.5/3. + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * + * Copyright (c) 2002-2005, Jouni Malinen + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + * + * FIX: + * - there is currently no way of associating TX packets to correct wds device + * when TX Exc/OK event occurs, so all tx_packets and some + * tx_errors/tx_dropped are added to the main netdevice; using sw_support + * field in txdesc might be used to fix this (using Alloc event to increment + * tx_packets would need some further info in txfid table) + * + * Buffer Access Path (BAP) usage: + * Prism2 cards have two separate BAPs for accessing the card memory. These + * should allow concurrent access to two different frames and the driver + * previously used BAP0 for sending data and BAP1 for receiving data. + * However, there seems to be number of issues with concurrent access and at + * least one know hardware bug in using BAP0 and BAP1 concurrently with PCI + * Prism2.5. Therefore, the driver now only uses BAP0 for moving data between + * host and card memories. BAP0 accesses are protected with local->baplock + * (spin_lock_bh) to prevent concurrent use. + */ + + + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hostap_80211.h" +#include "hostap.h" +#include "hostap_ap.h" + + +/* #define final_version */ + +static int mtu = 1500; +module_param(mtu, int, 0444); +MODULE_PARM_DESC(mtu, "Maximum transfer unit"); + +static int channel[MAX_PARM_DEVICES] = { 3, DEF_INTS }; +module_param_array(channel, int, NULL, 0444); +MODULE_PARM_DESC(channel, "Initial channel"); + +static char essid[33] = "test"; +module_param_string(essid, essid, sizeof(essid), 0444); +MODULE_PARM_DESC(essid, "Host AP's ESSID"); + +static int iw_mode[MAX_PARM_DEVICES] = { IW_MODE_MASTER, DEF_INTS }; +module_param_array(iw_mode, int, NULL, 0444); +MODULE_PARM_DESC(iw_mode, "Initial operation mode"); + +static int beacon_int[MAX_PARM_DEVICES] = { 100, DEF_INTS }; +module_param_array(beacon_int, int, NULL, 0444); +MODULE_PARM_DESC(beacon_int, "Beacon interval (1 = 1024 usec)"); + +static int dtim_period[MAX_PARM_DEVICES] = { 1, DEF_INTS }; +module_param_array(dtim_period, int, NULL, 0444); +MODULE_PARM_DESC(dtim_period, "DTIM period"); + +static char dev_template[16] = "wlan%d"; +module_param_string(dev_template, dev_template, sizeof(dev_template), 0444); +MODULE_PARM_DESC(dev_template, "Prefix for network device name (default: " + "wlan%d)"); + +#ifdef final_version +#define EXTRA_EVENTS_WTERR 0 +#else +/* check WTERR events (Wait Time-out) in development versions */ +#define EXTRA_EVENTS_WTERR HFA384X_EV_WTERR +#endif + +/* Events that will be using BAP0 */ +#define HFA384X_BAP0_EVENTS \ + (HFA384X_EV_TXEXC | HFA384X_EV_RX | HFA384X_EV_INFO | HFA384X_EV_TX) + +/* event mask, i.e., events that will result in an interrupt */ +#define HFA384X_EVENT_MASK \ + (HFA384X_BAP0_EVENTS | HFA384X_EV_ALLOC | HFA384X_EV_INFDROP | \ + HFA384X_EV_CMD | HFA384X_EV_TICK | \ + EXTRA_EVENTS_WTERR) + +/* Default TX control flags: use 802.11 headers and request interrupt for + * failed transmits. Frames that request ACK callback, will add + * _TX_OK flag and _ALT_RTRY flag may be used to select different retry policy. + */ +#define HFA384X_TX_CTRL_FLAGS \ + (HFA384X_TX_CTRL_802_11 | HFA384X_TX_CTRL_TX_EX) + + +/* ca. 1 usec */ +#define HFA384X_CMD_BUSY_TIMEOUT 5000 +#define HFA384X_BAP_BUSY_TIMEOUT 50000 + +/* ca. 10 usec */ +#define HFA384X_CMD_COMPL_TIMEOUT 20000 +#define HFA384X_DL_COMPL_TIMEOUT 1000000 + +/* Wait times for initialization; yield to other processes to avoid busy + * waiting for long time. */ +#define HFA384X_INIT_TIMEOUT (HZ / 2) /* 500 ms */ +#define HFA384X_ALLOC_COMPL_TIMEOUT (HZ / 20) /* 50 ms */ + + +static void prism2_hw_reset(struct net_device *dev); +static void prism2_check_sta_fw_version(local_info_t *local); + +#ifdef PRISM2_DOWNLOAD_SUPPORT +/* hostap_download.c */ +static const struct file_operations prism2_download_aux_dump_proc_fops; +static u8 * prism2_read_pda(struct net_device *dev); +static int prism2_download(local_info_t *local, + struct prism2_download_param *param); +static void prism2_download_free_data(struct prism2_download_data *dl); +static int prism2_download_volatile(local_info_t *local, + struct prism2_download_data *param); +static int prism2_download_genesis(local_info_t *local, + struct prism2_download_data *param); +static int prism2_get_ram_size(local_info_t *local); +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + + + + +#ifndef final_version +/* magic value written to SWSUPPORT0 reg. for detecting whether card is still + * present */ +#define HFA384X_MAGIC 0x8A32 +#endif + + +static u16 hfa384x_read_reg(struct net_device *dev, u16 reg) +{ + return HFA384X_INW(reg); +} + + +static void hfa384x_read_regs(struct net_device *dev, + struct hfa384x_regs *regs) +{ + regs->cmd = HFA384X_INW(HFA384X_CMD_OFF); + regs->evstat = HFA384X_INW(HFA384X_EVSTAT_OFF); + regs->offset0 = HFA384X_INW(HFA384X_OFFSET0_OFF); + regs->offset1 = HFA384X_INW(HFA384X_OFFSET1_OFF); + regs->swsupport0 = HFA384X_INW(HFA384X_SWSUPPORT0_OFF); +} + + +/** + * __hostap_cmd_queue_free - Free Prism2 command queue entry (private) + * @local: pointer to private Host AP driver data + * @entry: Prism2 command queue entry to be freed + * @del_req: request the entry to be removed + * + * Internal helper function for freeing Prism2 command queue entries. + * Caller must have acquired local->cmdlock before calling this function. + */ +static inline void __hostap_cmd_queue_free(local_info_t *local, + struct hostap_cmd_queue *entry, + int del_req) +{ + if (del_req) { + entry->del_req = 1; + if (!list_empty(&entry->list)) { + list_del_init(&entry->list); + local->cmd_queue_len--; + } + } + + if (atomic_dec_and_test(&entry->usecnt) && entry->del_req) + kfree(entry); +} + + +/** + * hostap_cmd_queue_free - Free Prism2 command queue entry + * @local: pointer to private Host AP driver data + * @entry: Prism2 command queue entry to be freed + * @del_req: request the entry to be removed + * + * Free a Prism2 command queue entry. + */ +static inline void hostap_cmd_queue_free(local_info_t *local, + struct hostap_cmd_queue *entry, + int del_req) +{ + unsigned long flags; + + spin_lock_irqsave(&local->cmdlock, flags); + __hostap_cmd_queue_free(local, entry, del_req); + spin_unlock_irqrestore(&local->cmdlock, flags); +} + + +/** + * prism2_clear_cmd_queue - Free all pending Prism2 command queue entries + * @local: pointer to private Host AP driver data + */ +static void prism2_clear_cmd_queue(local_info_t *local) +{ + struct list_head *ptr, *n; + unsigned long flags; + struct hostap_cmd_queue *entry; + + spin_lock_irqsave(&local->cmdlock, flags); + list_for_each_safe(ptr, n, &local->cmd_queue) { + entry = list_entry(ptr, struct hostap_cmd_queue, list); + atomic_inc(&entry->usecnt); + printk(KERN_DEBUG "%s: removed pending cmd_queue entry " + "(type=%d, cmd=0x%04x, param0=0x%04x)\n", + local->dev->name, entry->type, entry->cmd, + entry->param0); + __hostap_cmd_queue_free(local, entry, 1); + } + if (local->cmd_queue_len) { + /* This should not happen; print debug message and clear + * queue length. */ + printk(KERN_DEBUG "%s: cmd_queue_len (%d) not zero after " + "flush\n", local->dev->name, local->cmd_queue_len); + local->cmd_queue_len = 0; + } + spin_unlock_irqrestore(&local->cmdlock, flags); +} + + +/** + * hfa384x_cmd_issue - Issue a Prism2 command to the hardware + * @dev: pointer to net_device + * @entry: Prism2 command queue entry to be issued + */ +static int hfa384x_cmd_issue(struct net_device *dev, + struct hostap_cmd_queue *entry) +{ + struct hostap_interface *iface; + local_info_t *local; + int tries; + u16 reg; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->card_present && !local->func->card_present(local)) + return -ENODEV; + + if (entry->issued) { + printk(KERN_DEBUG "%s: driver bug - re-issuing command @%p\n", + dev->name, entry); + } + + /* wait until busy bit is clear; this should always be clear since the + * commands are serialized */ + tries = HFA384X_CMD_BUSY_TIMEOUT; + while (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY && tries > 0) { + tries--; + udelay(1); + } +#ifndef final_version + if (tries != HFA384X_CMD_BUSY_TIMEOUT) { + prism2_io_debug_error(dev, 1); + printk(KERN_DEBUG "%s: hfa384x_cmd_issue: cmd reg was busy " + "for %d usec\n", dev->name, + HFA384X_CMD_BUSY_TIMEOUT - tries); + } +#endif + if (tries == 0) { + reg = HFA384X_INW(HFA384X_CMD_OFF); + prism2_io_debug_error(dev, 2); + printk(KERN_DEBUG "%s: hfa384x_cmd_issue - timeout - " + "reg=0x%04x\n", dev->name, reg); + return -ETIMEDOUT; + } + + /* write command */ + spin_lock_irqsave(&local->cmdlock, flags); + HFA384X_OUTW(entry->param0, HFA384X_PARAM0_OFF); + HFA384X_OUTW(entry->param1, HFA384X_PARAM1_OFF); + HFA384X_OUTW(entry->cmd, HFA384X_CMD_OFF); + entry->issued = 1; + spin_unlock_irqrestore(&local->cmdlock, flags); + + return 0; +} + + +/** + * hfa384x_cmd - Issue a Prism2 command and wait (sleep) for completion + * @dev: pointer to net_device + * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) + * @param0: value for Param0 register + * @param1: value for Param1 register (pointer; %NULL if not used) + * @resp0: pointer for Resp0 data or %NULL if Resp0 is not needed + * + * Issue given command (possibly after waiting in command queue) and sleep + * until the command is completed (or timed out or interrupted). This can be + * called only from user process context. + */ +static int hfa384x_cmd(struct net_device *dev, u16 cmd, u16 param0, + u16 *param1, u16 *resp0) +{ + struct hostap_interface *iface; + local_info_t *local; + int err, res, issue, issued = 0; + unsigned long flags; + struct hostap_cmd_queue *entry; + DECLARE_WAITQUEUE(wait, current); + + iface = netdev_priv(dev); + local = iface->local; + + if (in_interrupt()) { + printk(KERN_DEBUG "%s: hfa384x_cmd called from interrupt " + "context\n", dev->name); + return -1; + } + + if (local->cmd_queue_len >= HOSTAP_CMD_QUEUE_MAX_LEN) { + printk(KERN_DEBUG "%s: hfa384x_cmd: cmd_queue full\n", + dev->name); + return -1; + } + + if (signal_pending(current)) + return -EINTR; + + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); + if (entry == NULL) + return -ENOMEM; + + atomic_set(&entry->usecnt, 1); + entry->type = CMD_SLEEP; + entry->cmd = cmd; + entry->param0 = param0; + if (param1) + entry->param1 = *param1; + init_waitqueue_head(&entry->compl); + + /* prepare to wait for command completion event, but do not sleep yet + */ + add_wait_queue(&entry->compl, &wait); + set_current_state(TASK_INTERRUPTIBLE); + + spin_lock_irqsave(&local->cmdlock, flags); + issue = list_empty(&local->cmd_queue); + if (issue) + entry->issuing = 1; + list_add_tail(&entry->list, &local->cmd_queue); + local->cmd_queue_len++; + spin_unlock_irqrestore(&local->cmdlock, flags); + + err = 0; + if (!issue) + goto wait_completion; + + if (signal_pending(current)) + err = -EINTR; + + if (!err) { + if (hfa384x_cmd_issue(dev, entry)) + err = -ETIMEDOUT; + else + issued = 1; + } + + wait_completion: + if (!err && entry->type != CMD_COMPLETED) { + /* sleep until command is completed or timed out */ + res = schedule_timeout(2 * HZ); + } else + res = -1; + + if (!err && signal_pending(current)) + err = -EINTR; + + if (err && issued) { + /* the command was issued, so a CmdCompl event should occur + * soon; however, there's a pending signal and + * schedule_timeout() would be interrupted; wait a short period + * of time to avoid removing entry from the list before + * CmdCompl event */ + udelay(300); + } + + set_current_state(TASK_RUNNING); + remove_wait_queue(&entry->compl, &wait); + + /* If entry->list is still in the list, it must be removed + * first and in this case prism2_cmd_ev() does not yet have + * local reference to it, and the data can be kfree()'d + * here. If the command completion event is still generated, + * it will be assigned to next (possibly) pending command, but + * the driver will reset the card anyway due to timeout + * + * If the entry is not in the list prism2_cmd_ev() has a local + * reference to it, but keeps cmdlock as long as the data is + * needed, so the data can be kfree()'d here. */ + + /* FIX: if the entry->list is in the list, it has not been completed + * yet, so removing it here is somewhat wrong.. this could cause + * references to freed memory and next list_del() causing NULL pointer + * dereference.. it would probably be better to leave the entry in the + * list and the list should be emptied during hw reset */ + + spin_lock_irqsave(&local->cmdlock, flags); + if (!list_empty(&entry->list)) { + printk(KERN_DEBUG "%s: hfa384x_cmd: entry still in list? " + "(entry=%p, type=%d, res=%d)\n", dev->name, entry, + entry->type, res); + list_del_init(&entry->list); + local->cmd_queue_len--; + } + spin_unlock_irqrestore(&local->cmdlock, flags); + + if (err) { + printk(KERN_DEBUG "%s: hfa384x_cmd: interrupted; err=%d\n", + dev->name, err); + res = err; + goto done; + } + + if (entry->type != CMD_COMPLETED) { + u16 reg = HFA384X_INW(HFA384X_EVSTAT_OFF); + printk(KERN_DEBUG "%s: hfa384x_cmd: command was not " + "completed (res=%d, entry=%p, type=%d, cmd=0x%04x, " + "param0=0x%04x, EVSTAT=%04x INTEN=%04x)\n", dev->name, + res, entry, entry->type, entry->cmd, entry->param0, reg, + HFA384X_INW(HFA384X_INTEN_OFF)); + if (reg & HFA384X_EV_CMD) { + /* Command completion event is pending, but the + * interrupt was not delivered - probably an issue + * with pcmcia-cs configuration. */ + printk(KERN_WARNING "%s: interrupt delivery does not " + "seem to work\n", dev->name); + } + prism2_io_debug_error(dev, 3); + res = -ETIMEDOUT; + goto done; + } + + if (resp0 != NULL) + *resp0 = entry->resp0; +#ifndef final_version + if (entry->res) { + printk(KERN_DEBUG "%s: CMD=0x%04x => res=0x%02x, " + "resp0=0x%04x\n", + dev->name, cmd, entry->res, entry->resp0); + } +#endif /* final_version */ + + res = entry->res; + done: + hostap_cmd_queue_free(local, entry, 1); + return res; +} + + +/** + * hfa384x_cmd_callback - Issue a Prism2 command; callback when completed + * @dev: pointer to net_device + * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) + * @param0: value for Param0 register + * @callback: command completion callback function (%NULL = no callback) + * @context: context data to be given to the callback function + * + * Issue given command (possibly after waiting in command queue) and use + * callback function to indicate command completion. This can be called both + * from user and interrupt context. The callback function will be called in + * hardware IRQ context. It can be %NULL, when no function is called when + * command is completed. + */ +static int hfa384x_cmd_callback(struct net_device *dev, u16 cmd, u16 param0, + void (*callback)(struct net_device *dev, + long context, u16 resp0, + u16 status), + long context) +{ + struct hostap_interface *iface; + local_info_t *local; + int issue, ret; + unsigned long flags; + struct hostap_cmd_queue *entry; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->cmd_queue_len >= HOSTAP_CMD_QUEUE_MAX_LEN + 2) { + printk(KERN_DEBUG "%s: hfa384x_cmd: cmd_queue full\n", + dev->name); + return -1; + } + + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); + if (entry == NULL) + return -ENOMEM; + + atomic_set(&entry->usecnt, 1); + entry->type = CMD_CALLBACK; + entry->cmd = cmd; + entry->param0 = param0; + entry->callback = callback; + entry->context = context; + + spin_lock_irqsave(&local->cmdlock, flags); + issue = list_empty(&local->cmd_queue); + if (issue) + entry->issuing = 1; + list_add_tail(&entry->list, &local->cmd_queue); + local->cmd_queue_len++; + spin_unlock_irqrestore(&local->cmdlock, flags); + + if (issue && hfa384x_cmd_issue(dev, entry)) + ret = -ETIMEDOUT; + else + ret = 0; + + hostap_cmd_queue_free(local, entry, ret); + + return ret; +} + + +/** + * __hfa384x_cmd_no_wait - Issue a Prism2 command (private) + * @dev: pointer to net_device + * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) + * @param0: value for Param0 register + * @io_debug_num: I/O debug error number + * + * Shared helper function for hfa384x_cmd_wait() and hfa384x_cmd_no_wait(). + */ +static int __hfa384x_cmd_no_wait(struct net_device *dev, u16 cmd, u16 param0, + int io_debug_num) +{ + int tries; + u16 reg; + + /* wait until busy bit is clear; this should always be clear since the + * commands are serialized */ + tries = HFA384X_CMD_BUSY_TIMEOUT; + while (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY && tries > 0) { + tries--; + udelay(1); + } + if (tries == 0) { + reg = HFA384X_INW(HFA384X_CMD_OFF); + prism2_io_debug_error(dev, io_debug_num); + printk(KERN_DEBUG "%s: __hfa384x_cmd_no_wait(%d) - timeout - " + "reg=0x%04x\n", dev->name, io_debug_num, reg); + return -ETIMEDOUT; + } + + /* write command */ + HFA384X_OUTW(param0, HFA384X_PARAM0_OFF); + HFA384X_OUTW(cmd, HFA384X_CMD_OFF); + + return 0; +} + + +/** + * hfa384x_cmd_wait - Issue a Prism2 command and busy wait for completion + * @dev: pointer to net_device + * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) + * @param0: value for Param0 register + */ +static int hfa384x_cmd_wait(struct net_device *dev, u16 cmd, u16 param0) +{ + int res, tries; + u16 reg; + + res = __hfa384x_cmd_no_wait(dev, cmd, param0, 4); + if (res) + return res; + + /* wait for command completion */ + if ((cmd & HFA384X_CMDCODE_MASK) == HFA384X_CMDCODE_DOWNLOAD) + tries = HFA384X_DL_COMPL_TIMEOUT; + else + tries = HFA384X_CMD_COMPL_TIMEOUT; + + while (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD) && + tries > 0) { + tries--; + udelay(10); + } + if (tries == 0) { + reg = HFA384X_INW(HFA384X_EVSTAT_OFF); + prism2_io_debug_error(dev, 5); + printk(KERN_DEBUG "%s: hfa384x_cmd_wait - timeout2 - " + "reg=0x%04x\n", dev->name, reg); + return -ETIMEDOUT; + } + + res = (HFA384X_INW(HFA384X_STATUS_OFF) & + (BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | BIT(9) | + BIT(8))) >> 8; +#ifndef final_version + if (res) { + printk(KERN_DEBUG "%s: CMD=0x%04x => res=0x%02x\n", + dev->name, cmd, res); + } +#endif + + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); + + return res; +} + + +/** + * hfa384x_cmd_no_wait - Issue a Prism2 command; do not wait for completion + * @dev: pointer to net_device + * @cmd: Prism2 command code (HFA384X_CMD_CODE_*) + * @param0: value for Param0 register + */ +static inline int hfa384x_cmd_no_wait(struct net_device *dev, u16 cmd, + u16 param0) +{ + return __hfa384x_cmd_no_wait(dev, cmd, param0, 6); +} + + +/** + * prism2_cmd_ev - Prism2 command completion event handler + * @dev: pointer to net_device + * + * Interrupt handler for command completion events. Called by the main + * interrupt handler in hardware IRQ context. Read Resp0 and status registers + * from the hardware and ACK the event. Depending on the issued command type + * either wake up the sleeping process that is waiting for command completion + * or call the callback function. Issue the next command, if one is pending. + */ +static void prism2_cmd_ev(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hostap_cmd_queue *entry = NULL; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock(&local->cmdlock); + if (!list_empty(&local->cmd_queue)) { + entry = list_entry(local->cmd_queue.next, + struct hostap_cmd_queue, list); + atomic_inc(&entry->usecnt); + list_del_init(&entry->list); + local->cmd_queue_len--; + + if (!entry->issued) { + printk(KERN_DEBUG "%s: Command completion event, but " + "cmd not issued\n", dev->name); + __hostap_cmd_queue_free(local, entry, 1); + entry = NULL; + } + } + spin_unlock(&local->cmdlock); + + if (!entry) { + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); + printk(KERN_DEBUG "%s: Command completion event, but no " + "pending commands\n", dev->name); + return; + } + + entry->resp0 = HFA384X_INW(HFA384X_RESP0_OFF); + entry->res = (HFA384X_INW(HFA384X_STATUS_OFF) & + (BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | + BIT(9) | BIT(8))) >> 8; + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); + + /* TODO: rest of the CmdEv handling could be moved to tasklet */ + if (entry->type == CMD_SLEEP) { + entry->type = CMD_COMPLETED; + wake_up_interruptible(&entry->compl); + } else if (entry->type == CMD_CALLBACK) { + if (entry->callback) + entry->callback(dev, entry->context, entry->resp0, + entry->res); + } else { + printk(KERN_DEBUG "%s: Invalid command completion type %d\n", + dev->name, entry->type); + } + hostap_cmd_queue_free(local, entry, 1); + + /* issue next command, if pending */ + entry = NULL; + spin_lock(&local->cmdlock); + if (!list_empty(&local->cmd_queue)) { + entry = list_entry(local->cmd_queue.next, + struct hostap_cmd_queue, list); + if (entry->issuing) { + /* hfa384x_cmd() has already started issuing this + * command, so do not start here */ + entry = NULL; + } + if (entry) + atomic_inc(&entry->usecnt); + } + spin_unlock(&local->cmdlock); + + if (entry) { + /* issue next command; if command issuing fails, remove the + * entry from cmd_queue */ + int res = hfa384x_cmd_issue(dev, entry); + spin_lock(&local->cmdlock); + __hostap_cmd_queue_free(local, entry, res); + spin_unlock(&local->cmdlock); + } +} + + +static int hfa384x_wait_offset(struct net_device *dev, u16 o_off) +{ + int tries = HFA384X_BAP_BUSY_TIMEOUT; + int res = HFA384X_INW(o_off) & HFA384X_OFFSET_BUSY; + + while (res && tries > 0) { + tries--; + udelay(1); + res = HFA384X_INW(o_off) & HFA384X_OFFSET_BUSY; + } + return res; +} + + +/* Offset must be even */ +static int hfa384x_setup_bap(struct net_device *dev, u16 bap, u16 id, + int offset) +{ + u16 o_off, s_off; + int ret = 0; + + if (offset % 2 || bap > 1) + return -EINVAL; + + if (bap == BAP1) { + o_off = HFA384X_OFFSET1_OFF; + s_off = HFA384X_SELECT1_OFF; + } else { + o_off = HFA384X_OFFSET0_OFF; + s_off = HFA384X_SELECT0_OFF; + } + + if (hfa384x_wait_offset(dev, o_off)) { + prism2_io_debug_error(dev, 7); + printk(KERN_DEBUG "%s: hfa384x_setup_bap - timeout before\n", + dev->name); + ret = -ETIMEDOUT; + goto out; + } + + HFA384X_OUTW(id, s_off); + HFA384X_OUTW(offset, o_off); + + if (hfa384x_wait_offset(dev, o_off)) { + prism2_io_debug_error(dev, 8); + printk(KERN_DEBUG "%s: hfa384x_setup_bap - timeout after\n", + dev->name); + ret = -ETIMEDOUT; + goto out; + } +#ifndef final_version + if (HFA384X_INW(o_off) & HFA384X_OFFSET_ERR) { + prism2_io_debug_error(dev, 9); + printk(KERN_DEBUG "%s: hfa384x_setup_bap - offset error " + "(%d,0x04%x,%d); reg=0x%04x\n", + dev->name, bap, id, offset, HFA384X_INW(o_off)); + ret = -EINVAL; + } +#endif + + out: + return ret; +} + + +static int hfa384x_get_rid(struct net_device *dev, u16 rid, void *buf, int len, + int exact_len) +{ + struct hostap_interface *iface; + local_info_t *local; + int res, rlen = 0; + struct hfa384x_rid_hdr rec; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->no_pri) { + printk(KERN_DEBUG "%s: cannot get RID %04x (len=%d) - no PRI " + "f/w\n", dev->name, rid, len); + return -ENOTTY; /* Well.. not really correct, but return + * something unique enough.. */ + } + + if ((local->func->card_present && !local->func->card_present(local)) || + local->hw_downloading) + return -ENODEV; + + res = mutex_lock_interruptible(&local->rid_bap_mtx); + if (res) + return res; + + res = hfa384x_cmd(dev, HFA384X_CMDCODE_ACCESS, rid, NULL, NULL); + if (res) { + printk(KERN_DEBUG "%s: hfa384x_get_rid: CMDCODE_ACCESS failed " + "(res=%d, rid=%04x, len=%d)\n", + dev->name, res, rid, len); + mutex_unlock(&local->rid_bap_mtx); + return res; + } + + spin_lock_bh(&local->baplock); + + res = hfa384x_setup_bap(dev, BAP0, rid, 0); + if (!res) + res = hfa384x_from_bap(dev, BAP0, &rec, sizeof(rec)); + + if (le16_to_cpu(rec.len) == 0) { + /* RID not available */ + res = -ENODATA; + } + + rlen = (le16_to_cpu(rec.len) - 1) * 2; + if (!res && exact_len && rlen != len) { + printk(KERN_DEBUG "%s: hfa384x_get_rid - RID len mismatch: " + "rid=0x%04x, len=%d (expected %d)\n", + dev->name, rid, rlen, len); + res = -ENODATA; + } + + if (!res) + res = hfa384x_from_bap(dev, BAP0, buf, len); + + spin_unlock_bh(&local->baplock); + mutex_unlock(&local->rid_bap_mtx); + + if (res) { + if (res != -ENODATA) + printk(KERN_DEBUG "%s: hfa384x_get_rid (rid=%04x, " + "len=%d) - failed - res=%d\n", dev->name, rid, + len, res); + if (res == -ETIMEDOUT) + prism2_hw_reset(dev); + return res; + } + + return rlen; +} + + +static int hfa384x_set_rid(struct net_device *dev, u16 rid, void *buf, int len) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hfa384x_rid_hdr rec; + int res; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->no_pri) { + printk(KERN_DEBUG "%s: cannot set RID %04x (len=%d) - no PRI " + "f/w\n", dev->name, rid, len); + return -ENOTTY; /* Well.. not really correct, but return + * something unique enough.. */ + } + + if ((local->func->card_present && !local->func->card_present(local)) || + local->hw_downloading) + return -ENODEV; + + rec.rid = cpu_to_le16(rid); + /* RID len in words and +1 for rec.rid */ + rec.len = cpu_to_le16(len / 2 + len % 2 + 1); + + res = mutex_lock_interruptible(&local->rid_bap_mtx); + if (res) + return res; + + spin_lock_bh(&local->baplock); + res = hfa384x_setup_bap(dev, BAP0, rid, 0); + if (!res) + res = hfa384x_to_bap(dev, BAP0, &rec, sizeof(rec)); + if (!res) + res = hfa384x_to_bap(dev, BAP0, buf, len); + spin_unlock_bh(&local->baplock); + + if (res) { + printk(KERN_DEBUG "%s: hfa384x_set_rid (rid=%04x, len=%d) - " + "failed - res=%d\n", dev->name, rid, len, res); + mutex_unlock(&local->rid_bap_mtx); + return res; + } + + res = hfa384x_cmd(dev, HFA384X_CMDCODE_ACCESS_WRITE, rid, NULL, NULL); + mutex_unlock(&local->rid_bap_mtx); + + if (res) { + printk(KERN_DEBUG "%s: hfa384x_set_rid: CMDCODE_ACCESS_WRITE " + "failed (res=%d, rid=%04x, len=%d)\n", + dev->name, res, rid, len); + + if (res == -ETIMEDOUT) + prism2_hw_reset(dev); + } + + return res; +} + + +static void hfa384x_disable_interrupts(struct net_device *dev) +{ + /* disable interrupts and clear event status */ + HFA384X_OUTW(0, HFA384X_INTEN_OFF); + HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); +} + + +static void hfa384x_enable_interrupts(struct net_device *dev) +{ + /* ack pending events and enable interrupts from selected events */ + HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); + HFA384X_OUTW(HFA384X_EVENT_MASK, HFA384X_INTEN_OFF); +} + + +static void hfa384x_events_no_bap0(struct net_device *dev) +{ + HFA384X_OUTW(HFA384X_EVENT_MASK & ~HFA384X_BAP0_EVENTS, + HFA384X_INTEN_OFF); +} + + +static void hfa384x_events_all(struct net_device *dev) +{ + HFA384X_OUTW(HFA384X_EVENT_MASK, HFA384X_INTEN_OFF); +} + + +static void hfa384x_events_only_cmd(struct net_device *dev) +{ + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_INTEN_OFF); +} + + +static u16 hfa384x_allocate_fid(struct net_device *dev, int len) +{ + u16 fid; + unsigned long delay; + + /* FIX: this could be replace with hfa384x_cmd() if the Alloc event + * below would be handled like CmdCompl event (sleep here, wake up from + * interrupt handler */ + if (hfa384x_cmd_wait(dev, HFA384X_CMDCODE_ALLOC, len)) { + printk(KERN_DEBUG "%s: cannot allocate fid, len=%d\n", + dev->name, len); + return 0xffff; + } + + delay = jiffies + HFA384X_ALLOC_COMPL_TIMEOUT; + while (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_ALLOC) && + time_before(jiffies, delay)) + yield(); + if (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_ALLOC)) { + printk("%s: fid allocate, len=%d - timeout\n", dev->name, len); + return 0xffff; + } + + fid = HFA384X_INW(HFA384X_ALLOCFID_OFF); + HFA384X_OUTW(HFA384X_EV_ALLOC, HFA384X_EVACK_OFF); + + return fid; +} + + +static int prism2_reset_port(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + int res; + + iface = netdev_priv(dev); + local = iface->local; + + if (!local->dev_enabled) + return 0; + + res = hfa384x_cmd(dev, HFA384X_CMDCODE_DISABLE, 0, + NULL, NULL); + if (res) + printk(KERN_DEBUG "%s: reset port failed to disable port\n", + dev->name); + else { + res = hfa384x_cmd(dev, HFA384X_CMDCODE_ENABLE, 0, + NULL, NULL); + if (res) + printk(KERN_DEBUG "%s: reset port failed to enable " + "port\n", dev->name); + } + + /* It looks like at least some STA firmware versions reset + * fragmentation threshold back to 2346 after enable command. Restore + * the configured value, if it differs from this default. */ + if (local->fragm_threshold != 2346 && + hostap_set_word(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, + local->fragm_threshold)) { + printk(KERN_DEBUG "%s: failed to restore fragmentation " + "threshold (%d) after Port0 enable\n", + dev->name, local->fragm_threshold); + } + + /* Some firmwares lose antenna selection settings on reset */ + (void) hostap_set_antsel(local); + + return res; +} + + +static int prism2_get_version_info(struct net_device *dev, u16 rid, + const char *txt) +{ + struct hfa384x_comp_ident comp; + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->no_pri) { + /* PRI f/w not yet available - cannot read RIDs */ + return -1; + } + if (hfa384x_get_rid(dev, rid, &comp, sizeof(comp), 1) < 0) { + printk(KERN_DEBUG "Could not get RID for component %s\n", txt); + return -1; + } + + printk(KERN_INFO "%s: %s: id=0x%02x v%d.%d.%d\n", dev->name, txt, + __le16_to_cpu(comp.id), __le16_to_cpu(comp.major), + __le16_to_cpu(comp.minor), __le16_to_cpu(comp.variant)); + return 0; +} + + +static int prism2_setup_rids(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 tmp; + int ret = 0; + + iface = netdev_priv(dev); + local = iface->local; + + hostap_set_word(dev, HFA384X_RID_TICKTIME, 2000); + + if (!local->fw_ap) { + u16 tmp1 = hostap_get_porttype(local); + ret = hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, tmp1); + if (ret) { + printk("%s: Port type setting to %d failed\n", + dev->name, tmp1); + goto fail; + } + } + + /* Setting SSID to empty string seems to kill the card in Host AP mode + */ + if (local->iw_mode != IW_MODE_MASTER || local->essid[0] != '\0') { + ret = hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, + local->essid); + if (ret) { + printk("%s: AP own SSID setting failed\n", dev->name); + goto fail; + } + } + + ret = hostap_set_word(dev, HFA384X_RID_CNFMAXDATALEN, + PRISM2_DATA_MAXLEN); + if (ret) { + printk("%s: MAC data length setting to %d failed\n", + dev->name, PRISM2_DATA_MAXLEN); + goto fail; + } + + if (hfa384x_get_rid(dev, HFA384X_RID_CHANNELLIST, &tmp, 2, 1) < 0) { + printk("%s: Channel list read failed\n", dev->name); + ret = -EINVAL; + goto fail; + } + local->channel_mask = le16_to_cpu(tmp); + + if (local->channel < 1 || local->channel > 14 || + !(local->channel_mask & (1 << (local->channel - 1)))) { + printk(KERN_WARNING "%s: Channel setting out of range " + "(%d)!\n", dev->name, local->channel); + ret = -EBUSY; + goto fail; + } + + ret = hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel); + if (ret) { + printk("%s: Channel setting to %d failed\n", + dev->name, local->channel); + goto fail; + } + + ret = hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, + local->beacon_int); + if (ret) { + printk("%s: Beacon interval setting to %d failed\n", + dev->name, local->beacon_int); + /* this may fail with Symbol/Lucent firmware */ + if (ret == -ETIMEDOUT) + goto fail; + } + + ret = hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, + local->dtim_period); + if (ret) { + printk("%s: DTIM period setting to %d failed\n", + dev->name, local->dtim_period); + /* this may fail with Symbol/Lucent firmware */ + if (ret == -ETIMEDOUT) + goto fail; + } + + ret = hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, + local->is_promisc); + if (ret) + printk(KERN_INFO "%s: Setting promiscuous mode (%d) failed\n", + dev->name, local->is_promisc); + + if (!local->fw_ap) { + ret = hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, + local->essid); + if (ret) { + printk("%s: Desired SSID setting failed\n", dev->name); + goto fail; + } + } + + /* Setup TXRateControl, defaults to allow use of 1, 2, 5.5, and + * 11 Mbps in automatic TX rate fallback and 1 and 2 Mbps as basic + * rates */ + if (local->tx_rate_control == 0) { + local->tx_rate_control = + HFA384X_RATES_1MBPS | + HFA384X_RATES_2MBPS | + HFA384X_RATES_5MBPS | + HFA384X_RATES_11MBPS; + } + if (local->basic_rates == 0) + local->basic_rates = HFA384X_RATES_1MBPS | HFA384X_RATES_2MBPS; + + if (!local->fw_ap) { + ret = hostap_set_word(dev, HFA384X_RID_TXRATECONTROL, + local->tx_rate_control); + if (ret) { + printk("%s: TXRateControl setting to %d failed\n", + dev->name, local->tx_rate_control); + goto fail; + } + + ret = hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES, + local->tx_rate_control); + if (ret) { + printk("%s: cnfSupportedRates setting to %d failed\n", + dev->name, local->tx_rate_control); + } + + ret = hostap_set_word(dev, HFA384X_RID_CNFBASICRATES, + local->basic_rates); + if (ret) { + printk("%s: cnfBasicRates setting to %d failed\n", + dev->name, local->basic_rates); + } + + ret = hostap_set_word(dev, HFA384X_RID_CREATEIBSS, 1); + if (ret) { + printk("%s: Create IBSS setting to 1 failed\n", + dev->name); + } + } + + if (local->name_set) + (void) hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, + local->name); + + if (hostap_set_encryption(local)) { + printk(KERN_INFO "%s: could not configure encryption\n", + dev->name); + } + + (void) hostap_set_antsel(local); + + if (hostap_set_roaming(local)) { + printk(KERN_INFO "%s: could not set host roaming\n", + dev->name); + } + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,6,3) && + hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY, local->enh_sec)) + printk(KERN_INFO "%s: cnfEnhSecurity setting to 0x%x failed\n", + dev->name, local->enh_sec); + + /* 32-bit tallies were added in STA f/w 0.8.0, but they were apparently + * not working correctly (last seven counters report bogus values). + * This has been fixed in 0.8.2, so enable 32-bit tallies only + * beginning with that firmware version. Another bug fix for 32-bit + * tallies in 1.4.0; should 16-bit tallies be used for some other + * versions, too? */ + if (local->sta_fw_ver >= PRISM2_FW_VER(0,8,2)) { + if (hostap_set_word(dev, HFA384X_RID_CNFTHIRTY2TALLY, 1)) { + printk(KERN_INFO "%s: cnfThirty2Tally setting " + "failed\n", dev->name); + local->tallies32 = 0; + } else + local->tallies32 = 1; + } else + local->tallies32 = 0; + + hostap_set_auth_algs(local); + + if (hostap_set_word(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, + local->fragm_threshold)) { + printk(KERN_INFO "%s: setting FragmentationThreshold to %d " + "failed\n", dev->name, local->fragm_threshold); + } + + if (hostap_set_word(dev, HFA384X_RID_RTSTHRESHOLD, + local->rts_threshold)) { + printk(KERN_INFO "%s: setting RTSThreshold to %d failed\n", + dev->name, local->rts_threshold); + } + + if (local->manual_retry_count >= 0 && + hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT, + local->manual_retry_count)) { + printk(KERN_INFO "%s: setting cnfAltRetryCount to %d failed\n", + dev->name, local->manual_retry_count); + } + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1) && + hfa384x_get_rid(dev, HFA384X_RID_CNFDBMADJUST, &tmp, 2, 1) == 2) { + local->rssi_to_dBm = le16_to_cpu(tmp); + } + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,7,0) && local->wpa && + hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1)) { + printk(KERN_INFO "%s: setting ssnHandlingMode to 1 failed\n", + dev->name); + } + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,7,0) && local->generic_elem && + hfa384x_set_rid(dev, HFA384X_RID_GENERICELEMENT, + local->generic_elem, local->generic_elem_len)) { + printk(KERN_INFO "%s: setting genericElement failed\n", + dev->name); + } + + fail: + return ret; +} + + +static int prism2_hw_init(struct net_device *dev, int initial) +{ + struct hostap_interface *iface; + local_info_t *local; + int ret, first = 1; + unsigned long start, delay; + + PDEBUG(DEBUG_FLOW, "prism2_hw_init()\n"); + + iface = netdev_priv(dev); + local = iface->local; + + clear_bit(HOSTAP_BITS_TRANSMIT, &local->bits); + + init: + /* initialize HFA 384x */ + ret = hfa384x_cmd_no_wait(dev, HFA384X_CMDCODE_INIT, 0); + if (ret) { + printk(KERN_INFO "%s: first command failed - assuming card " + "does not have primary firmware\n", dev_info); + } + + if (first && (HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD)) { + /* EvStat has Cmd bit set in some cases, so retry once if no + * wait was needed */ + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); + printk(KERN_DEBUG "%s: init command completed too quickly - " + "retrying\n", dev->name); + first = 0; + goto init; + } + + start = jiffies; + delay = jiffies + HFA384X_INIT_TIMEOUT; + while (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD) && + time_before(jiffies, delay)) + yield(); + if (!(HFA384X_INW(HFA384X_EVSTAT_OFF) & HFA384X_EV_CMD)) { + printk(KERN_DEBUG "%s: assuming no Primary image in " + "flash - card initialization not completed\n", + dev_info); + local->no_pri = 1; +#ifdef PRISM2_DOWNLOAD_SUPPORT + if (local->sram_type == -1) + local->sram_type = prism2_get_ram_size(local); +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + return 1; + } + local->no_pri = 0; + printk(KERN_DEBUG "prism2_hw_init: initialized in %lu ms\n", + (jiffies - start) * 1000 / HZ); + HFA384X_OUTW(HFA384X_EV_CMD, HFA384X_EVACK_OFF); + return 0; +} + + +static int prism2_hw_init2(struct net_device *dev, int initial) +{ + struct hostap_interface *iface; + local_info_t *local; + int i; + + iface = netdev_priv(dev); + local = iface->local; + +#ifdef PRISM2_DOWNLOAD_SUPPORT + kfree(local->pda); + if (local->no_pri) + local->pda = NULL; + else + local->pda = prism2_read_pda(dev); +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + + hfa384x_disable_interrupts(dev); + +#ifndef final_version + HFA384X_OUTW(HFA384X_MAGIC, HFA384X_SWSUPPORT0_OFF); + if (HFA384X_INW(HFA384X_SWSUPPORT0_OFF) != HFA384X_MAGIC) { + printk("SWSUPPORT0 write/read failed: %04X != %04X\n", + HFA384X_INW(HFA384X_SWSUPPORT0_OFF), HFA384X_MAGIC); + goto failed; + } +#endif + + if (initial || local->pri_only) { + hfa384x_events_only_cmd(dev); + /* get card version information */ + if (prism2_get_version_info(dev, HFA384X_RID_NICID, "NIC") || + prism2_get_version_info(dev, HFA384X_RID_PRIID, "PRI")) { + hfa384x_disable_interrupts(dev); + goto failed; + } + + if (prism2_get_version_info(dev, HFA384X_RID_STAID, "STA")) { + printk(KERN_DEBUG "%s: Failed to read STA f/w version " + "- only Primary f/w present\n", dev->name); + local->pri_only = 1; + return 0; + } + local->pri_only = 0; + hfa384x_disable_interrupts(dev); + } + + /* FIX: could convert allocate_fid to use sleeping CmdCompl wait and + * enable interrupts before this. This would also require some sort of + * sleeping AllocEv waiting */ + + /* allocate TX FIDs */ + local->txfid_len = PRISM2_TXFID_LEN; + for (i = 0; i < PRISM2_TXFID_COUNT; i++) { + local->txfid[i] = hfa384x_allocate_fid(dev, local->txfid_len); + if (local->txfid[i] == 0xffff && local->txfid_len > 1600) { + local->txfid[i] = hfa384x_allocate_fid(dev, 1600); + if (local->txfid[i] != 0xffff) { + printk(KERN_DEBUG "%s: Using shorter TX FID " + "(1600 bytes)\n", dev->name); + local->txfid_len = 1600; + } + } + if (local->txfid[i] == 0xffff) + goto failed; + local->intransmitfid[i] = PRISM2_TXFID_EMPTY; + } + + hfa384x_events_only_cmd(dev); + + if (initial) { + struct list_head *ptr; + prism2_check_sta_fw_version(local); + + if (hfa384x_get_rid(dev, HFA384X_RID_CNFOWNMACADDR, + dev->dev_addr, 6, 1) < 0) { + printk("%s: could not get own MAC address\n", + dev->name); + } + list_for_each(ptr, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + eth_hw_addr_inherit(iface->dev, dev); + } + } else if (local->fw_ap) + prism2_check_sta_fw_version(local); + + prism2_setup_rids(dev); + + /* MAC is now configured, but port 0 is not yet enabled */ + return 0; + + failed: + if (!local->no_pri) + printk(KERN_WARNING "%s: Initialization failed\n", dev_info); + return 1; +} + + +static int prism2_hw_enable(struct net_device *dev, int initial) +{ + struct hostap_interface *iface; + local_info_t *local; + int was_resetting; + + iface = netdev_priv(dev); + local = iface->local; + was_resetting = local->hw_resetting; + + if (hfa384x_cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL, NULL)) { + printk("%s: MAC port 0 enabling failed\n", dev->name); + return 1; + } + + local->hw_ready = 1; + local->hw_reset_tries = 0; + local->hw_resetting = 0; + hfa384x_enable_interrupts(dev); + + /* at least D-Link DWL-650 seems to require additional port reset + * before it starts acting as an AP, so reset port automatically + * here just in case */ + if (initial && prism2_reset_port(dev)) { + printk("%s: MAC port 0 resetting failed\n", dev->name); + return 1; + } + + if (was_resetting && netif_queue_stopped(dev)) { + /* If hw_reset() was called during pending transmit, netif + * queue was stopped. Wake it up now since the wlan card has + * been resetted. */ + netif_wake_queue(dev); + } + + return 0; +} + + +static int prism2_hw_config(struct net_device *dev, int initial) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->hw_downloading) + return 1; + + if (prism2_hw_init(dev, initial)) { + return local->no_pri ? 0 : 1; + } + + if (prism2_hw_init2(dev, initial)) + return 1; + + /* Enable firmware if secondary image is loaded and at least one of the + * netdevices is up. */ + if (!local->pri_only && + (initial == 0 || (initial == 2 && local->num_dev_open > 0))) { + if (!local->dev_enabled) + prism2_callback(local, PRISM2_CALLBACK_ENABLE); + local->dev_enabled = 1; + return prism2_hw_enable(dev, initial); + } + + return 0; +} + + +static void prism2_hw_shutdown(struct net_device *dev, int no_disable) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + /* Allow only command completion events during disable */ + hfa384x_events_only_cmd(dev); + + local->hw_ready = 0; + if (local->dev_enabled) + prism2_callback(local, PRISM2_CALLBACK_DISABLE); + local->dev_enabled = 0; + + if (local->func->card_present && !local->func->card_present(local)) { + printk(KERN_DEBUG "%s: card already removed or not configured " + "during shutdown\n", dev->name); + return; + } + + if ((no_disable & HOSTAP_HW_NO_DISABLE) == 0 && + hfa384x_cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL, NULL)) + printk(KERN_WARNING "%s: Shutdown failed\n", dev_info); + + hfa384x_disable_interrupts(dev); + + if (no_disable & HOSTAP_HW_ENABLE_CMDCOMPL) + hfa384x_events_only_cmd(dev); + else + prism2_clear_cmd_queue(local); +} + + +static void prism2_hw_reset(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + +#if 0 + static long last_reset = 0; + + /* do not reset card more than once per second to avoid ending up in a + * busy loop resetting the card */ + if (time_before_eq(jiffies, last_reset + HZ)) + return; + last_reset = jiffies; +#endif + + iface = netdev_priv(dev); + local = iface->local; + + if (in_interrupt()) { + printk(KERN_DEBUG "%s: driver bug - prism2_hw_reset() called " + "in interrupt context\n", dev->name); + return; + } + + if (local->hw_downloading) + return; + + if (local->hw_resetting) { + printk(KERN_WARNING "%s: %s: already resetting card - " + "ignoring reset request\n", dev_info, dev->name); + return; + } + + local->hw_reset_tries++; + if (local->hw_reset_tries > 10) { + printk(KERN_WARNING "%s: too many reset tries, skipping\n", + dev->name); + return; + } + + printk(KERN_WARNING "%s: %s: resetting card\n", dev_info, dev->name); + hfa384x_disable_interrupts(dev); + local->hw_resetting = 1; + if (local->func->cor_sreset) { + /* Host system seems to hang in some cases with high traffic + * load or shared interrupts during COR sreset. Disable shared + * interrupts during reset to avoid these crashes. COS sreset + * takes quite a long time, so it is unfortunate that this + * seems to be needed. Anyway, I do not know of any better way + * of avoiding the crash. */ + disable_irq(dev->irq); + local->func->cor_sreset(local); + enable_irq(dev->irq); + } + prism2_hw_shutdown(dev, 1); + prism2_hw_config(dev, 0); + local->hw_resetting = 0; + +#ifdef PRISM2_DOWNLOAD_SUPPORT + if (local->dl_pri) { + printk(KERN_DEBUG "%s: persistent download of primary " + "firmware\n", dev->name); + if (prism2_download_genesis(local, local->dl_pri) < 0) + printk(KERN_WARNING "%s: download (PRI) failed\n", + dev->name); + } + + if (local->dl_sec) { + printk(KERN_DEBUG "%s: persistent download of secondary " + "firmware\n", dev->name); + if (prism2_download_volatile(local, local->dl_sec) < 0) + printk(KERN_WARNING "%s: download (SEC) failed\n", + dev->name); + } +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + + /* TODO: restore beacon TIM bits for STAs that have buffered frames */ +} + + +static void prism2_schedule_reset(local_info_t *local) +{ + schedule_work(&local->reset_queue); +} + + +/* Called only as scheduled task after noticing card timeout in interrupt + * context */ +static void handle_reset_queue(struct work_struct *work) +{ + local_info_t *local = container_of(work, local_info_t, reset_queue); + + printk(KERN_DEBUG "%s: scheduled card reset\n", local->dev->name); + prism2_hw_reset(local->dev); + + if (netif_queue_stopped(local->dev)) { + int i; + + for (i = 0; i < PRISM2_TXFID_COUNT; i++) + if (local->intransmitfid[i] == PRISM2_TXFID_EMPTY) { + PDEBUG(DEBUG_EXTRA, "prism2_tx_timeout: " + "wake up queue\n"); + netif_wake_queue(local->dev); + break; + } + } +} + + +static int prism2_get_txfid_idx(local_info_t *local) +{ + int idx, end; + unsigned long flags; + + spin_lock_irqsave(&local->txfidlock, flags); + end = idx = local->next_txfid; + do { + if (local->intransmitfid[idx] == PRISM2_TXFID_EMPTY) { + local->intransmitfid[idx] = PRISM2_TXFID_RESERVED; + spin_unlock_irqrestore(&local->txfidlock, flags); + return idx; + } + idx++; + if (idx >= PRISM2_TXFID_COUNT) + idx = 0; + } while (idx != end); + spin_unlock_irqrestore(&local->txfidlock, flags); + + PDEBUG(DEBUG_EXTRA2, "prism2_get_txfid_idx: no room in txfid buf: " + "packet dropped\n"); + local->dev->stats.tx_dropped++; + + return -1; +} + + +/* Called only from hardware IRQ */ +static void prism2_transmit_cb(struct net_device *dev, long context, + u16 resp0, u16 res) +{ + struct hostap_interface *iface; + local_info_t *local; + int idx = (int) context; + + iface = netdev_priv(dev); + local = iface->local; + + if (res) { + printk(KERN_DEBUG "%s: prism2_transmit_cb - res=0x%02x\n", + dev->name, res); + return; + } + + if (idx < 0 || idx >= PRISM2_TXFID_COUNT) { + printk(KERN_DEBUG "%s: prism2_transmit_cb called with invalid " + "idx=%d\n", dev->name, idx); + return; + } + + if (!test_and_clear_bit(HOSTAP_BITS_TRANSMIT, &local->bits)) { + printk(KERN_DEBUG "%s: driver bug: prism2_transmit_cb called " + "with no pending transmit\n", dev->name); + } + + if (netif_queue_stopped(dev)) { + /* ready for next TX, so wake up queue that was stopped in + * prism2_transmit() */ + netif_wake_queue(dev); + } + + spin_lock(&local->txfidlock); + + /* With reclaim, Resp0 contains new txfid for transmit; the old txfid + * will be automatically allocated for the next TX frame */ + local->intransmitfid[idx] = resp0; + + PDEBUG(DEBUG_FID, "%s: prism2_transmit_cb: txfid[%d]=0x%04x, " + "resp0=0x%04x, transmit_txfid=0x%04x\n", + dev->name, idx, local->txfid[idx], + resp0, local->intransmitfid[local->next_txfid]); + + idx++; + if (idx >= PRISM2_TXFID_COUNT) + idx = 0; + local->next_txfid = idx; + + /* check if all TX buffers are occupied */ + do { + if (local->intransmitfid[idx] == PRISM2_TXFID_EMPTY) { + spin_unlock(&local->txfidlock); + return; + } + idx++; + if (idx >= PRISM2_TXFID_COUNT) + idx = 0; + } while (idx != local->next_txfid); + spin_unlock(&local->txfidlock); + + /* no empty TX buffers, stop queue */ + netif_stop_queue(dev); +} + + +/* Called only from software IRQ if PCI bus master is not used (with bus master + * this can be called both from software and hardware IRQ) */ +static int prism2_transmit(struct net_device *dev, int idx) +{ + struct hostap_interface *iface; + local_info_t *local; + int res; + + iface = netdev_priv(dev); + local = iface->local; + + /* The driver tries to stop netif queue so that there would not be + * more than one attempt to transmit frames going on; check that this + * is really the case */ + + if (test_and_set_bit(HOSTAP_BITS_TRANSMIT, &local->bits)) { + printk(KERN_DEBUG "%s: driver bug - prism2_transmit() called " + "when previous TX was pending\n", dev->name); + return -1; + } + + /* stop the queue for the time that transmit is pending */ + netif_stop_queue(dev); + + /* transmit packet */ + res = hfa384x_cmd_callback( + dev, + HFA384X_CMDCODE_TRANSMIT | HFA384X_CMD_TX_RECLAIM, + local->txfid[idx], + prism2_transmit_cb, (long) idx); + + if (res) { + printk(KERN_DEBUG "%s: prism2_transmit: CMDCODE_TRANSMIT " + "failed (res=%d)\n", dev->name, res); + dev->stats.tx_dropped++; + netif_wake_queue(dev); + return -1; + } + dev->trans_start = jiffies; + + /* Since we did not wait for command completion, the card continues + * to process on the background and we will finish handling when + * command completion event is handled (prism2_cmd_ev() function) */ + + return 0; +} + + +/* Send IEEE 802.11 frame (convert the header into Prism2 TX descriptor and + * send the payload with this descriptor) */ +/* Called only from software IRQ */ +static int prism2_tx_80211(struct sk_buff *skb, struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hfa384x_tx_frame txdesc; + struct hostap_skb_tx_data *meta; + int hdr_len, data_len, idx, res, ret = -1; + u16 tx_control, fc; + + iface = netdev_priv(dev); + local = iface->local; + + meta = (struct hostap_skb_tx_data *) skb->cb; + + prism2_callback(local, PRISM2_CALLBACK_TX_START); + + if ((local->func->card_present && !local->func->card_present(local)) || + !local->hw_ready || local->hw_downloading || local->pri_only) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: prism2_tx_80211: hw not ready -" + " skipping\n", dev->name); + } + goto fail; + } + + memset(&txdesc, 0, sizeof(txdesc)); + + /* skb->data starts with txdesc->frame_control */ + hdr_len = 24; + skb_copy_from_linear_data(skb, &txdesc.frame_control, hdr_len); + fc = le16_to_cpu(txdesc.frame_control); + if (ieee80211_is_data(txdesc.frame_control) && + ieee80211_has_a4(txdesc.frame_control) && + skb->len >= 30) { + /* Addr4 */ + skb_copy_from_linear_data_offset(skb, hdr_len, txdesc.addr4, + ETH_ALEN); + hdr_len += ETH_ALEN; + } + + tx_control = local->tx_control; + if (meta->tx_cb_idx) { + tx_control |= HFA384X_TX_CTRL_TX_OK; + txdesc.sw_support = cpu_to_le32(meta->tx_cb_idx); + } + txdesc.tx_control = cpu_to_le16(tx_control); + txdesc.tx_rate = meta->rate; + + data_len = skb->len - hdr_len; + txdesc.data_len = cpu_to_le16(data_len); + txdesc.len = cpu_to_be16(data_len); + + idx = prism2_get_txfid_idx(local); + if (idx < 0) + goto fail; + + if (local->frame_dump & PRISM2_DUMP_TX_HDR) + hostap_dump_tx_header(dev->name, &txdesc); + + spin_lock(&local->baplock); + res = hfa384x_setup_bap(dev, BAP0, local->txfid[idx], 0); + + if (!res) + res = hfa384x_to_bap(dev, BAP0, &txdesc, sizeof(txdesc)); + if (!res) + res = hfa384x_to_bap(dev, BAP0, skb->data + hdr_len, + skb->len - hdr_len); + spin_unlock(&local->baplock); + + if (!res) + res = prism2_transmit(dev, idx); + if (res) { + printk(KERN_DEBUG "%s: prism2_tx_80211 - to BAP0 failed\n", + dev->name); + local->intransmitfid[idx] = PRISM2_TXFID_EMPTY; + schedule_work(&local->reset_queue); + goto fail; + } + + ret = 0; + +fail: + prism2_callback(local, PRISM2_CALLBACK_TX_END); + return ret; +} + + +/* Some SMP systems have reported number of odd errors with hostap_pci. fid + * register has changed values between consecutive reads for an unknown reason. + * This should really not happen, so more debugging is needed. This test + * version is a bit slower, but it will detect most of such register changes + * and will try to get the correct fid eventually. */ +#define EXTRA_FID_READ_TESTS + +static u16 prism2_read_fid_reg(struct net_device *dev, u16 reg) +{ +#ifdef EXTRA_FID_READ_TESTS + u16 val, val2, val3; + int i; + + for (i = 0; i < 10; i++) { + val = HFA384X_INW(reg); + val2 = HFA384X_INW(reg); + val3 = HFA384X_INW(reg); + + if (val == val2 && val == val3) + return val; + + printk(KERN_DEBUG "%s: detected fid change (try=%d, reg=%04x):" + " %04x %04x %04x\n", + dev->name, i, reg, val, val2, val3); + if ((val == val2 || val == val3) && val != 0) + return val; + if (val2 == val3 && val2 != 0) + return val2; + } + printk(KERN_WARNING "%s: Uhhuh.. could not read good fid from reg " + "%04x (%04x %04x %04x)\n", dev->name, reg, val, val2, val3); + return val; +#else /* EXTRA_FID_READ_TESTS */ + return HFA384X_INW(reg); +#endif /* EXTRA_FID_READ_TESTS */ +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_rx(local_info_t *local) +{ + struct net_device *dev = local->dev; + int res, rx_pending = 0; + u16 len, hdr_len, rxfid, status, macport; + struct hfa384x_rx_frame rxdesc; + struct sk_buff *skb = NULL; + + prism2_callback(local, PRISM2_CALLBACK_RX_START); + + rxfid = prism2_read_fid_reg(dev, HFA384X_RXFID_OFF); +#ifndef final_version + if (rxfid == 0) { + rxfid = HFA384X_INW(HFA384X_RXFID_OFF); + printk(KERN_DEBUG "prism2_rx: rxfid=0 (next 0x%04x)\n", + rxfid); + if (rxfid == 0) { + schedule_work(&local->reset_queue); + goto rx_dropped; + } + /* try to continue with the new rxfid value */ + } +#endif + + spin_lock(&local->baplock); + res = hfa384x_setup_bap(dev, BAP0, rxfid, 0); + if (!res) + res = hfa384x_from_bap(dev, BAP0, &rxdesc, sizeof(rxdesc)); + + if (res) { + spin_unlock(&local->baplock); + printk(KERN_DEBUG "%s: copy from BAP0 failed %d\n", dev->name, + res); + if (res == -ETIMEDOUT) { + schedule_work(&local->reset_queue); + } + goto rx_dropped; + } + + len = le16_to_cpu(rxdesc.data_len); + hdr_len = sizeof(rxdesc); + status = le16_to_cpu(rxdesc.status); + macport = (status >> 8) & 0x07; + + /* Drop frames with too large reported payload length. Monitor mode + * seems to sometimes pass frames (e.g., ctrl::ack) with signed and + * negative value, so allow also values 65522 .. 65534 (-14 .. -2) for + * macport 7 */ + if (len > PRISM2_DATA_MAXLEN + 8 /* WEP */) { + if (macport == 7 && local->iw_mode == IW_MODE_MONITOR) { + if (len >= (u16) -14) { + hdr_len -= 65535 - len; + hdr_len--; + } + len = 0; + } else { + spin_unlock(&local->baplock); + printk(KERN_DEBUG "%s: Received frame with invalid " + "length 0x%04x\n", dev->name, len); + hostap_dump_rx_header(dev->name, &rxdesc); + goto rx_dropped; + } + } + + skb = dev_alloc_skb(len + hdr_len); + if (!skb) { + spin_unlock(&local->baplock); + printk(KERN_DEBUG "%s: RX failed to allocate skb\n", + dev->name); + goto rx_dropped; + } + skb->dev = dev; + memcpy(skb_put(skb, hdr_len), &rxdesc, hdr_len); + + if (len > 0) + res = hfa384x_from_bap(dev, BAP0, skb_put(skb, len), len); + spin_unlock(&local->baplock); + if (res) { + printk(KERN_DEBUG "%s: RX failed to read " + "frame data\n", dev->name); + goto rx_dropped; + } + + skb_queue_tail(&local->rx_list, skb); + tasklet_schedule(&local->rx_tasklet); + + rx_exit: + prism2_callback(local, PRISM2_CALLBACK_RX_END); + if (!rx_pending) { + HFA384X_OUTW(HFA384X_EV_RX, HFA384X_EVACK_OFF); + } + + return; + + rx_dropped: + dev->stats.rx_dropped++; + if (skb) + dev_kfree_skb(skb); + goto rx_exit; +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_rx_skb(local_info_t *local, struct sk_buff *skb) +{ + struct hfa384x_rx_frame *rxdesc; + struct net_device *dev = skb->dev; + struct hostap_80211_rx_status stats; + int hdrlen, rx_hdrlen; + + rx_hdrlen = sizeof(*rxdesc); + if (skb->len < sizeof(*rxdesc)) { + /* Allow monitor mode to receive shorter frames */ + if (local->iw_mode == IW_MODE_MONITOR && + skb->len >= sizeof(*rxdesc) - 30) { + rx_hdrlen = skb->len; + } else { + dev_kfree_skb(skb); + return; + } + } + + rxdesc = (struct hfa384x_rx_frame *) skb->data; + + if (local->frame_dump & PRISM2_DUMP_RX_HDR && + skb->len >= sizeof(*rxdesc)) + hostap_dump_rx_header(dev->name, rxdesc); + + if (le16_to_cpu(rxdesc->status) & HFA384X_RX_STATUS_FCSERR && + (!local->monitor_allow_fcserr || + local->iw_mode != IW_MODE_MONITOR)) + goto drop; + + if (skb->len > PRISM2_DATA_MAXLEN) { + printk(KERN_DEBUG "%s: RX: len(%d) > MAX(%d)\n", + dev->name, skb->len, PRISM2_DATA_MAXLEN); + goto drop; + } + + stats.mac_time = le32_to_cpu(rxdesc->time); + stats.signal = rxdesc->signal - local->rssi_to_dBm; + stats.noise = rxdesc->silence - local->rssi_to_dBm; + stats.rate = rxdesc->rate; + + /* Convert Prism2 RX structure into IEEE 802.11 header */ + hdrlen = hostap_80211_get_hdrlen(rxdesc->frame_control); + if (hdrlen > rx_hdrlen) + hdrlen = rx_hdrlen; + + memmove(skb_pull(skb, rx_hdrlen - hdrlen), + &rxdesc->frame_control, hdrlen); + + hostap_80211_rx(dev, skb, &stats); + return; + + drop: + dev_kfree_skb(skb); +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_rx_tasklet(unsigned long data) +{ + local_info_t *local = (local_info_t *) data; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&local->rx_list)) != NULL) + hostap_rx_skb(local, skb); +} + + +/* Called only from hardware IRQ */ +static void prism2_alloc_ev(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + int idx; + u16 fid; + + iface = netdev_priv(dev); + local = iface->local; + + fid = prism2_read_fid_reg(dev, HFA384X_ALLOCFID_OFF); + + PDEBUG(DEBUG_FID, "FID: interrupt: ALLOC - fid=0x%04x\n", fid); + + spin_lock(&local->txfidlock); + idx = local->next_alloc; + + do { + if (local->txfid[idx] == fid) { + PDEBUG(DEBUG_FID, "FID: found matching txfid[%d]\n", + idx); + +#ifndef final_version + if (local->intransmitfid[idx] == PRISM2_TXFID_EMPTY) + printk("Already released txfid found at idx " + "%d\n", idx); + if (local->intransmitfid[idx] == PRISM2_TXFID_RESERVED) + printk("Already reserved txfid found at idx " + "%d\n", idx); +#endif + local->intransmitfid[idx] = PRISM2_TXFID_EMPTY; + idx++; + local->next_alloc = idx >= PRISM2_TXFID_COUNT ? 0 : + idx; + + if (!test_bit(HOSTAP_BITS_TRANSMIT, &local->bits) && + netif_queue_stopped(dev)) + netif_wake_queue(dev); + + spin_unlock(&local->txfidlock); + return; + } + + idx++; + if (idx >= PRISM2_TXFID_COUNT) + idx = 0; + } while (idx != local->next_alloc); + + printk(KERN_WARNING "%s: could not find matching txfid (0x%04x, new " + "read 0x%04x) for alloc event\n", dev->name, fid, + HFA384X_INW(HFA384X_ALLOCFID_OFF)); + printk(KERN_DEBUG "TXFIDs:"); + for (idx = 0; idx < PRISM2_TXFID_COUNT; idx++) + printk(" %04x[%04x]", local->txfid[idx], + local->intransmitfid[idx]); + printk("\n"); + spin_unlock(&local->txfidlock); + + /* FIX: should probably schedule reset; reference to one txfid was lost + * completely.. Bad things will happen if we run out of txfids + * Actually, this will cause netdev watchdog to notice TX timeout and + * then card reset after all txfids have been leaked. */ +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_tx_callback(local_info_t *local, + struct hfa384x_tx_frame *txdesc, int ok, + char *payload) +{ + u16 sw_support, hdrlen, len; + struct sk_buff *skb; + struct hostap_tx_callback_info *cb; + + /* Make sure that frame was from us. */ + if (!ether_addr_equal(txdesc->addr2, local->dev->dev_addr)) { + printk(KERN_DEBUG "%s: TX callback - foreign frame\n", + local->dev->name); + return; + } + + sw_support = le32_to_cpu(txdesc->sw_support); + + spin_lock(&local->lock); + cb = local->tx_callback; + while (cb != NULL && cb->idx != sw_support) + cb = cb->next; + spin_unlock(&local->lock); + + if (cb == NULL) { + printk(KERN_DEBUG "%s: could not find TX callback (idx %d)\n", + local->dev->name, sw_support); + return; + } + + hdrlen = hostap_80211_get_hdrlen(txdesc->frame_control); + len = le16_to_cpu(txdesc->data_len); + skb = dev_alloc_skb(hdrlen + len); + if (skb == NULL) { + printk(KERN_DEBUG "%s: hostap_tx_callback failed to allocate " + "skb\n", local->dev->name); + return; + } + + memcpy(skb_put(skb, hdrlen), (void *) &txdesc->frame_control, hdrlen); + if (payload) + memcpy(skb_put(skb, len), payload, len); + + skb->dev = local->dev; + skb_reset_mac_header(skb); + + cb->func(skb, ok, cb->data); +} + + +/* Called only as a tasklet (software IRQ) */ +static int hostap_tx_compl_read(local_info_t *local, int error, + struct hfa384x_tx_frame *txdesc, + char **payload) +{ + u16 fid, len; + int res, ret = 0; + struct net_device *dev = local->dev; + + fid = prism2_read_fid_reg(dev, HFA384X_TXCOMPLFID_OFF); + + PDEBUG(DEBUG_FID, "interrupt: TX (err=%d) - fid=0x%04x\n", fid, error); + + spin_lock(&local->baplock); + res = hfa384x_setup_bap(dev, BAP0, fid, 0); + if (!res) + res = hfa384x_from_bap(dev, BAP0, txdesc, sizeof(*txdesc)); + if (res) { + PDEBUG(DEBUG_EXTRA, "%s: TX (err=%d) - fid=0x%04x - could not " + "read txdesc\n", dev->name, error, fid); + if (res == -ETIMEDOUT) { + schedule_work(&local->reset_queue); + } + ret = -1; + goto fail; + } + if (txdesc->sw_support) { + len = le16_to_cpu(txdesc->data_len); + if (len < PRISM2_DATA_MAXLEN) { + *payload = kmalloc(len, GFP_ATOMIC); + if (*payload == NULL || + hfa384x_from_bap(dev, BAP0, *payload, len)) { + PDEBUG(DEBUG_EXTRA, "%s: could not read TX " + "frame payload\n", dev->name); + kfree(*payload); + *payload = NULL; + ret = -1; + goto fail; + } + } + } + + fail: + spin_unlock(&local->baplock); + + return ret; +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_tx_ev(local_info_t *local) +{ + struct net_device *dev = local->dev; + char *payload = NULL; + struct hfa384x_tx_frame txdesc; + + if (hostap_tx_compl_read(local, 0, &txdesc, &payload)) + goto fail; + + if (local->frame_dump & PRISM2_DUMP_TX_HDR) { + PDEBUG(DEBUG_EXTRA, "%s: TX - status=0x%04x " + "retry_count=%d tx_rate=%d seq_ctrl=%d " + "duration_id=%d\n", + dev->name, le16_to_cpu(txdesc.status), + txdesc.retry_count, txdesc.tx_rate, + le16_to_cpu(txdesc.seq_ctrl), + le16_to_cpu(txdesc.duration_id)); + } + + if (txdesc.sw_support) + hostap_tx_callback(local, &txdesc, 1, payload); + kfree(payload); + + fail: + HFA384X_OUTW(HFA384X_EV_TX, HFA384X_EVACK_OFF); +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_sta_tx_exc_tasklet(unsigned long data) +{ + local_info_t *local = (local_info_t *) data; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&local->sta_tx_exc_list)) != NULL) { + struct hfa384x_tx_frame *txdesc = + (struct hfa384x_tx_frame *) skb->data; + + if (skb->len >= sizeof(*txdesc)) { + /* Convert Prism2 RX structure into IEEE 802.11 header + */ + int hdrlen = hostap_80211_get_hdrlen(txdesc->frame_control); + memmove(skb_pull(skb, sizeof(*txdesc) - hdrlen), + &txdesc->frame_control, hdrlen); + + hostap_handle_sta_tx_exc(local, skb); + } + dev_kfree_skb(skb); + } +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_txexc(local_info_t *local) +{ + struct net_device *dev = local->dev; + u16 status, fc; + int show_dump, res; + char *payload = NULL; + struct hfa384x_tx_frame txdesc; + + show_dump = local->frame_dump & PRISM2_DUMP_TXEXC_HDR; + dev->stats.tx_errors++; + + res = hostap_tx_compl_read(local, 1, &txdesc, &payload); + HFA384X_OUTW(HFA384X_EV_TXEXC, HFA384X_EVACK_OFF); + if (res) + return; + + status = le16_to_cpu(txdesc.status); + + /* We produce a TXDROP event only for retry or lifetime + * exceeded, because that's the only status that really mean + * that this particular node went away. + * Other errors means that *we* screwed up. - Jean II */ + if (status & (HFA384X_TX_STATUS_RETRYERR | HFA384X_TX_STATUS_AGEDERR)) + { + union iwreq_data wrqu; + + /* Copy 802.11 dest address. */ + memcpy(wrqu.addr.sa_data, txdesc.addr1, ETH_ALEN); + wrqu.addr.sa_family = ARPHRD_ETHER; + wireless_send_event(dev, IWEVTXDROP, &wrqu, NULL); + } else + show_dump = 1; + + if (local->iw_mode == IW_MODE_MASTER || + local->iw_mode == IW_MODE_REPEAT || + local->wds_type & HOSTAP_WDS_AP_CLIENT) { + struct sk_buff *skb; + skb = dev_alloc_skb(sizeof(txdesc)); + if (skb) { + memcpy(skb_put(skb, sizeof(txdesc)), &txdesc, + sizeof(txdesc)); + skb_queue_tail(&local->sta_tx_exc_list, skb); + tasklet_schedule(&local->sta_tx_exc_tasklet); + } + } + + if (txdesc.sw_support) + hostap_tx_callback(local, &txdesc, 0, payload); + kfree(payload); + + if (!show_dump) + return; + + PDEBUG(DEBUG_EXTRA, "%s: TXEXC - status=0x%04x (%s%s%s%s)" + " tx_control=%04x\n", + dev->name, status, + status & HFA384X_TX_STATUS_RETRYERR ? "[RetryErr]" : "", + status & HFA384X_TX_STATUS_AGEDERR ? "[AgedErr]" : "", + status & HFA384X_TX_STATUS_DISCON ? "[Discon]" : "", + status & HFA384X_TX_STATUS_FORMERR ? "[FormErr]" : "", + le16_to_cpu(txdesc.tx_control)); + + fc = le16_to_cpu(txdesc.frame_control); + PDEBUG(DEBUG_EXTRA, " retry_count=%d tx_rate=%d fc=0x%04x " + "(%s%s%s::%d%s%s)\n", + txdesc.retry_count, txdesc.tx_rate, fc, + ieee80211_is_mgmt(txdesc.frame_control) ? "Mgmt" : "", + ieee80211_is_ctl(txdesc.frame_control) ? "Ctrl" : "", + ieee80211_is_data(txdesc.frame_control) ? "Data" : "", + (fc & IEEE80211_FCTL_STYPE) >> 4, + ieee80211_has_tods(txdesc.frame_control) ? " ToDS" : "", + ieee80211_has_fromds(txdesc.frame_control) ? " FromDS" : ""); + PDEBUG(DEBUG_EXTRA, " A1=%pM A2=%pM A3=%pM A4=%pM\n", + txdesc.addr1, txdesc.addr2, + txdesc.addr3, txdesc.addr4); +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_info_tasklet(unsigned long data) +{ + local_info_t *local = (local_info_t *) data; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&local->info_list)) != NULL) { + hostap_info_process(local, skb); + dev_kfree_skb(skb); + } +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info(local_info_t *local) +{ + struct net_device *dev = local->dev; + u16 fid; + int res, left; + struct hfa384x_info_frame info; + struct sk_buff *skb; + + fid = HFA384X_INW(HFA384X_INFOFID_OFF); + + spin_lock(&local->baplock); + res = hfa384x_setup_bap(dev, BAP0, fid, 0); + if (!res) + res = hfa384x_from_bap(dev, BAP0, &info, sizeof(info)); + if (res) { + spin_unlock(&local->baplock); + printk(KERN_DEBUG "Could not get info frame (fid=0x%04x)\n", + fid); + if (res == -ETIMEDOUT) { + schedule_work(&local->reset_queue); + } + goto out; + } + + left = (le16_to_cpu(info.len) - 1) * 2; + + if (info.len & cpu_to_le16(0x8000) || info.len == 0 || left > 2060) { + /* data register seems to give 0x8000 in some error cases even + * though busy bit is not set in offset register; + * in addition, length must be at least 1 due to type field */ + spin_unlock(&local->baplock); + printk(KERN_DEBUG "%s: Received info frame with invalid " + "length 0x%04x (type 0x%04x)\n", dev->name, + le16_to_cpu(info.len), le16_to_cpu(info.type)); + goto out; + } + + skb = dev_alloc_skb(sizeof(info) + left); + if (skb == NULL) { + spin_unlock(&local->baplock); + printk(KERN_DEBUG "%s: Could not allocate skb for info " + "frame\n", dev->name); + goto out; + } + + memcpy(skb_put(skb, sizeof(info)), &info, sizeof(info)); + if (left > 0 && hfa384x_from_bap(dev, BAP0, skb_put(skb, left), left)) + { + spin_unlock(&local->baplock); + printk(KERN_WARNING "%s: Info frame read failed (fid=0x%04x, " + "len=0x%04x, type=0x%04x\n", dev->name, fid, + le16_to_cpu(info.len), le16_to_cpu(info.type)); + dev_kfree_skb(skb); + goto out; + } + spin_unlock(&local->baplock); + + skb_queue_tail(&local->info_list, skb); + tasklet_schedule(&local->info_tasklet); + + out: + HFA384X_OUTW(HFA384X_EV_INFO, HFA384X_EVACK_OFF); +} + + +/* Called only as a tasklet (software IRQ) */ +static void hostap_bap_tasklet(unsigned long data) +{ + local_info_t *local = (local_info_t *) data; + struct net_device *dev = local->dev; + u16 ev; + int frames = 30; + + if (local->func->card_present && !local->func->card_present(local)) + return; + + set_bit(HOSTAP_BITS_BAP_TASKLET, &local->bits); + + /* Process all pending BAP events without generating new interrupts + * for them */ + while (frames-- > 0) { + ev = HFA384X_INW(HFA384X_EVSTAT_OFF); + if (ev == 0xffff || !(ev & HFA384X_BAP0_EVENTS)) + break; + if (ev & HFA384X_EV_RX) + prism2_rx(local); + if (ev & HFA384X_EV_INFO) + prism2_info(local); + if (ev & HFA384X_EV_TX) + prism2_tx_ev(local); + if (ev & HFA384X_EV_TXEXC) + prism2_txexc(local); + } + + set_bit(HOSTAP_BITS_BAP_TASKLET2, &local->bits); + clear_bit(HOSTAP_BITS_BAP_TASKLET, &local->bits); + + /* Enable interrupts for new BAP events */ + hfa384x_events_all(dev); + clear_bit(HOSTAP_BITS_BAP_TASKLET2, &local->bits); +} + + +/* Called only from hardware IRQ */ +static void prism2_infdrop(struct net_device *dev) +{ + static unsigned long last_inquire = 0; + + PDEBUG(DEBUG_EXTRA, "%s: INFDROP event\n", dev->name); + + /* some firmware versions seem to get stuck with + * full CommTallies in high traffic load cases; every + * packet will then cause INFDROP event and CommTallies + * info frame will not be sent automatically. Try to + * get out of this state by inquiring CommTallies. */ + if (!last_inquire || time_after(jiffies, last_inquire + HZ)) { + hfa384x_cmd_callback(dev, HFA384X_CMDCODE_INQUIRE, + HFA384X_INFO_COMMTALLIES, NULL, 0); + last_inquire = jiffies; + } +} + + +/* Called only from hardware IRQ */ +static void prism2_ev_tick(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + u16 evstat, inten; + static int prev_stuck = 0; + + iface = netdev_priv(dev); + local = iface->local; + + if (time_after(jiffies, local->last_tick_timer + 5 * HZ) && + local->last_tick_timer) { + evstat = HFA384X_INW(HFA384X_EVSTAT_OFF); + inten = HFA384X_INW(HFA384X_INTEN_OFF); + if (!prev_stuck) { + printk(KERN_INFO "%s: SW TICK stuck? " + "bits=0x%lx EvStat=%04x IntEn=%04x\n", + dev->name, local->bits, evstat, inten); + } + local->sw_tick_stuck++; + if ((evstat & HFA384X_BAP0_EVENTS) && + (inten & HFA384X_BAP0_EVENTS)) { + printk(KERN_INFO "%s: trying to recover from IRQ " + "hang\n", dev->name); + hfa384x_events_no_bap0(dev); + } + prev_stuck = 1; + } else + prev_stuck = 0; +} + + +/* Called only from hardware IRQ */ +static void prism2_check_magic(local_info_t *local) +{ + /* at least PCI Prism2.5 with bus mastering seems to sometimes + * return 0x0000 in SWSUPPORT0 for unknown reason, but re-reading the + * register once or twice seems to get the correct value.. PCI cards + * cannot anyway be removed during normal operation, so there is not + * really any need for this verification with them. */ + +#ifndef PRISM2_PCI +#ifndef final_version + static unsigned long last_magic_err = 0; + struct net_device *dev = local->dev; + + if (HFA384X_INW(HFA384X_SWSUPPORT0_OFF) != HFA384X_MAGIC) { + if (!local->hw_ready) + return; + HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); + if (time_after(jiffies, last_magic_err + 10 * HZ)) { + printk("%s: Interrupt, but SWSUPPORT0 does not match: " + "%04X != %04X - card removed?\n", dev->name, + HFA384X_INW(HFA384X_SWSUPPORT0_OFF), + HFA384X_MAGIC); + last_magic_err = jiffies; + } else if (net_ratelimit()) { + printk(KERN_DEBUG "%s: interrupt - SWSUPPORT0=%04x " + "MAGIC=%04x\n", dev->name, + HFA384X_INW(HFA384X_SWSUPPORT0_OFF), + HFA384X_MAGIC); + } + if (HFA384X_INW(HFA384X_SWSUPPORT0_OFF) != 0xffff) + schedule_work(&local->reset_queue); + return; + } +#endif /* final_version */ +#endif /* !PRISM2_PCI */ +} + + +/* Called only from hardware IRQ */ +static irqreturn_t prism2_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct hostap_interface *iface; + local_info_t *local; + int events = 0; + u16 ev; + + iface = netdev_priv(dev); + local = iface->local; + + /* Detect early interrupt before driver is fully configured */ + spin_lock(&local->irq_init_lock); + if (!dev->base_addr) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n", + dev->name); + } + spin_unlock(&local->irq_init_lock); + return IRQ_HANDLED; + } + spin_unlock(&local->irq_init_lock); + + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 0); + + if (local->func->card_present && !local->func->card_present(local)) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: Interrupt, but dev not OK\n", + dev->name); + } + return IRQ_HANDLED; + } + + prism2_check_magic(local); + + for (;;) { + ev = HFA384X_INW(HFA384X_EVSTAT_OFF); + if (ev == 0xffff) { + if (local->shutdown) + return IRQ_HANDLED; + HFA384X_OUTW(0xffff, HFA384X_EVACK_OFF); + printk(KERN_DEBUG "%s: prism2_interrupt: ev=0xffff\n", + dev->name); + return IRQ_HANDLED; + } + + ev &= HFA384X_INW(HFA384X_INTEN_OFF); + if (ev == 0) + break; + + if (ev & HFA384X_EV_CMD) { + prism2_cmd_ev(dev); + } + + /* Above events are needed even before hw is ready, but other + * events should be skipped during initialization. This may + * change for AllocEv if allocate_fid is implemented without + * busy waiting. */ + if (!local->hw_ready || local->hw_resetting || + !local->dev_enabled) { + ev = HFA384X_INW(HFA384X_EVSTAT_OFF); + if (ev & HFA384X_EV_CMD) + goto next_event; + if ((ev & HFA384X_EVENT_MASK) == 0) + return IRQ_HANDLED; + if (local->dev_enabled && (ev & ~HFA384X_EV_TICK) && + net_ratelimit()) { + printk(KERN_DEBUG "%s: prism2_interrupt: hw " + "not ready; skipping events 0x%04x " + "(IntEn=0x%04x)%s%s%s\n", + dev->name, ev, + HFA384X_INW(HFA384X_INTEN_OFF), + !local->hw_ready ? " (!hw_ready)" : "", + local->hw_resetting ? + " (hw_resetting)" : "", + !local->dev_enabled ? + " (!dev_enabled)" : ""); + } + HFA384X_OUTW(ev, HFA384X_EVACK_OFF); + return IRQ_HANDLED; + } + + if (ev & HFA384X_EV_TICK) { + prism2_ev_tick(dev); + HFA384X_OUTW(HFA384X_EV_TICK, HFA384X_EVACK_OFF); + } + + if (ev & HFA384X_EV_ALLOC) { + prism2_alloc_ev(dev); + HFA384X_OUTW(HFA384X_EV_ALLOC, HFA384X_EVACK_OFF); + } + + /* Reading data from the card is quite time consuming, so do it + * in tasklets. TX, TXEXC, RX, and INFO events will be ACKed + * and unmasked after needed data has been read completely. */ + if (ev & HFA384X_BAP0_EVENTS) { + hfa384x_events_no_bap0(dev); + tasklet_schedule(&local->bap_tasklet); + } + +#ifndef final_version + if (ev & HFA384X_EV_WTERR) { + PDEBUG(DEBUG_EXTRA, "%s: WTERR event\n", dev->name); + HFA384X_OUTW(HFA384X_EV_WTERR, HFA384X_EVACK_OFF); + } +#endif /* final_version */ + + if (ev & HFA384X_EV_INFDROP) { + prism2_infdrop(dev); + HFA384X_OUTW(HFA384X_EV_INFDROP, HFA384X_EVACK_OFF); + } + + next_event: + events++; + if (events >= PRISM2_MAX_INTERRUPT_EVENTS) { + PDEBUG(DEBUG_EXTRA, "prism2_interrupt: >%d events " + "(EvStat=0x%04x)\n", + PRISM2_MAX_INTERRUPT_EVENTS, + HFA384X_INW(HFA384X_EVSTAT_OFF)); + break; + } + } + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 1); + return IRQ_RETVAL(events); +} + + +static void prism2_check_sta_fw_version(local_info_t *local) +{ + struct hfa384x_comp_ident comp; + int id, variant, major, minor; + + if (hfa384x_get_rid(local->dev, HFA384X_RID_STAID, + &comp, sizeof(comp), 1) < 0) + return; + + local->fw_ap = 0; + id = le16_to_cpu(comp.id); + if (id != HFA384X_COMP_ID_STA) { + if (id == HFA384X_COMP_ID_FW_AP) + local->fw_ap = 1; + return; + } + + major = __le16_to_cpu(comp.major); + minor = __le16_to_cpu(comp.minor); + variant = __le16_to_cpu(comp.variant); + local->sta_fw_ver = PRISM2_FW_VER(major, minor, variant); + + /* Station firmware versions before 1.4.x seem to have a bug in + * firmware-based WEP encryption when using Host AP mode, so use + * host_encrypt as a default for them. Firmware version 1.4.9 is the + * first one that has been seen to produce correct encryption, but the + * bug might be fixed before that (although, at least 1.4.2 is broken). + */ + local->fw_encrypt_ok = local->sta_fw_ver >= PRISM2_FW_VER(1,4,9); + + if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt && + !local->fw_encrypt_ok) { + printk(KERN_DEBUG "%s: defaulting to host-based encryption as " + "a workaround for firmware bug in Host AP mode WEP\n", + local->dev->name); + local->host_encrypt = 1; + } + + /* IEEE 802.11 standard compliant WDS frames (4 addresses) were broken + * in station firmware versions before 1.5.x. With these versions, the + * driver uses a workaround with bogus frame format (4th address after + * the payload). This is not compatible with other AP devices. Since + * the firmware bug is fixed in the latest station firmware versions, + * automatically enable standard compliant mode for cards using station + * firmware version 1.5.0 or newer. */ + if (local->sta_fw_ver >= PRISM2_FW_VER(1,5,0)) + local->wds_type |= HOSTAP_WDS_STANDARD_FRAME; + else { + printk(KERN_DEBUG "%s: defaulting to bogus WDS frame as a " + "workaround for firmware bug in Host AP mode WDS\n", + local->dev->name); + } + + hostap_check_sta_fw_version(local->ap, local->sta_fw_ver); +} + + +static void hostap_passive_scan(unsigned long data) +{ + local_info_t *local = (local_info_t *) data; + struct net_device *dev = local->dev; + u16 chan; + + if (local->passive_scan_interval <= 0) + return; + + if (local->passive_scan_state == PASSIVE_SCAN_LISTEN) { + int max_tries = 16; + + /* Even though host system does not really know when the WLAN + * MAC is sending frames, try to avoid changing channels for + * passive scanning when a host-generated frame is being + * transmitted */ + if (test_bit(HOSTAP_BITS_TRANSMIT, &local->bits)) { + printk(KERN_DEBUG "%s: passive scan detected pending " + "TX - delaying\n", dev->name); + local->passive_scan_timer.expires = jiffies + HZ / 10; + add_timer(&local->passive_scan_timer); + return; + } + + do { + local->passive_scan_channel++; + if (local->passive_scan_channel > 14) + local->passive_scan_channel = 1; + max_tries--; + } while (!(local->channel_mask & + (1 << (local->passive_scan_channel - 1))) && + max_tries > 0); + + if (max_tries == 0) { + printk(KERN_INFO "%s: no allowed passive scan channels" + " found\n", dev->name); + return; + } + + printk(KERN_DEBUG "%s: passive scan channel %d\n", + dev->name, local->passive_scan_channel); + chan = local->passive_scan_channel; + local->passive_scan_state = PASSIVE_SCAN_WAIT; + local->passive_scan_timer.expires = jiffies + HZ / 10; + } else { + chan = local->channel; + local->passive_scan_state = PASSIVE_SCAN_LISTEN; + local->passive_scan_timer.expires = jiffies + + local->passive_scan_interval * HZ; + } + + if (hfa384x_cmd_callback(dev, HFA384X_CMDCODE_TEST | + (HFA384X_TEST_CHANGE_CHANNEL << 8), + chan, NULL, 0)) + printk(KERN_ERR "%s: passive scan channel set %d " + "failed\n", dev->name, chan); + + add_timer(&local->passive_scan_timer); +} + + +/* Called only as a scheduled task when communications quality values should + * be updated. */ +static void handle_comms_qual_update(struct work_struct *work) +{ + local_info_t *local = + container_of(work, local_info_t, comms_qual_update); + prism2_update_comms_qual(local->dev); +} + + +/* Software watchdog - called as a timer. Hardware interrupt (Tick event) is + * used to monitor that local->last_tick_timer is being updated. If not, + * interrupt busy-loop is assumed and driver tries to recover by masking out + * some events. */ +static void hostap_tick_timer(unsigned long data) +{ + static unsigned long last_inquire = 0; + local_info_t *local = (local_info_t *) data; + local->last_tick_timer = jiffies; + + /* Inquire CommTallies every 10 seconds to keep the statistics updated + * more often during low load and when using 32-bit tallies. */ + if ((!last_inquire || time_after(jiffies, last_inquire + 10 * HZ)) && + !local->hw_downloading && local->hw_ready && + !local->hw_resetting && local->dev_enabled) { + hfa384x_cmd_callback(local->dev, HFA384X_CMDCODE_INQUIRE, + HFA384X_INFO_COMMTALLIES, NULL, 0); + last_inquire = jiffies; + } + + if ((local->last_comms_qual_update == 0 || + time_after(jiffies, local->last_comms_qual_update + 10 * HZ)) && + (local->iw_mode == IW_MODE_INFRA || + local->iw_mode == IW_MODE_ADHOC)) { + schedule_work(&local->comms_qual_update); + } + + local->tick_timer.expires = jiffies + 2 * HZ; + add_timer(&local->tick_timer); +} + + +#ifndef PRISM2_NO_PROCFS_DEBUG +static int prism2_registers_proc_show(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + +#define SHOW_REG(n) \ + seq_printf(m, #n "=%04x\n", hfa384x_read_reg(local->dev, HFA384X_##n##_OFF)) + + SHOW_REG(CMD); + SHOW_REG(PARAM0); + SHOW_REG(PARAM1); + SHOW_REG(PARAM2); + SHOW_REG(STATUS); + SHOW_REG(RESP0); + SHOW_REG(RESP1); + SHOW_REG(RESP2); + SHOW_REG(INFOFID); + SHOW_REG(CONTROL); + SHOW_REG(SELECT0); + SHOW_REG(SELECT1); + SHOW_REG(OFFSET0); + SHOW_REG(OFFSET1); + SHOW_REG(RXFID); + SHOW_REG(ALLOCFID); + SHOW_REG(TXCOMPLFID); + SHOW_REG(SWSUPPORT0); + SHOW_REG(SWSUPPORT1); + SHOW_REG(SWSUPPORT2); + SHOW_REG(EVSTAT); + SHOW_REG(INTEN); + SHOW_REG(EVACK); + /* Do not read data registers, because they change the state of the + * MAC (offset += 2) */ + /* SHOW_REG(DATA0); */ + /* SHOW_REG(DATA1); */ + SHOW_REG(AUXPAGE); + SHOW_REG(AUXOFFSET); + /* SHOW_REG(AUXDATA); */ +#ifdef PRISM2_PCI + SHOW_REG(PCICOR); + SHOW_REG(PCIHCR); + SHOW_REG(PCI_M0_ADDRH); + SHOW_REG(PCI_M0_ADDRL); + SHOW_REG(PCI_M0_LEN); + SHOW_REG(PCI_M0_CTL); + SHOW_REG(PCI_STATUS); + SHOW_REG(PCI_M1_ADDRH); + SHOW_REG(PCI_M1_ADDRL); + SHOW_REG(PCI_M1_LEN); + SHOW_REG(PCI_M1_CTL); +#endif /* PRISM2_PCI */ + + return 0; +} + +static int prism2_registers_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, prism2_registers_proc_show, PDE_DATA(inode)); +} + +static const struct file_operations prism2_registers_proc_fops = { + .open = prism2_registers_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +#endif /* PRISM2_NO_PROCFS_DEBUG */ + + +struct set_tim_data { + struct list_head list; + int aid; + int set; +}; + +static int prism2_set_tim(struct net_device *dev, int aid, int set) +{ + struct list_head *ptr; + struct set_tim_data *new_entry; + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + new_entry = kzalloc(sizeof(*new_entry), GFP_ATOMIC); + if (new_entry == NULL) + return -ENOMEM; + + new_entry->aid = aid; + new_entry->set = set; + + spin_lock_bh(&local->set_tim_lock); + list_for_each(ptr, &local->set_tim_list) { + struct set_tim_data *entry = + list_entry(ptr, struct set_tim_data, list); + if (entry->aid == aid) { + PDEBUG(DEBUG_PS2, "%s: prism2_set_tim: aid=%d " + "set=%d ==> %d\n", + local->dev->name, aid, entry->set, set); + entry->set = set; + kfree(new_entry); + new_entry = NULL; + break; + } + } + if (new_entry) + list_add_tail(&new_entry->list, &local->set_tim_list); + spin_unlock_bh(&local->set_tim_lock); + + schedule_work(&local->set_tim_queue); + + return 0; +} + + +static void handle_set_tim_queue(struct work_struct *work) +{ + local_info_t *local = container_of(work, local_info_t, set_tim_queue); + struct set_tim_data *entry; + u16 val; + + for (;;) { + entry = NULL; + spin_lock_bh(&local->set_tim_lock); + if (!list_empty(&local->set_tim_list)) { + entry = list_entry(local->set_tim_list.next, + struct set_tim_data, list); + list_del(&entry->list); + } + spin_unlock_bh(&local->set_tim_lock); + if (!entry) + break; + + PDEBUG(DEBUG_PS2, "%s: handle_set_tim_queue: aid=%d set=%d\n", + local->dev->name, entry->aid, entry->set); + + val = entry->aid; + if (entry->set) + val |= 0x8000; + if (hostap_set_word(local->dev, HFA384X_RID_CNFTIMCTRL, val)) { + printk(KERN_DEBUG "%s: set_tim failed (aid=%d " + "set=%d)\n", + local->dev->name, entry->aid, entry->set); + } + + kfree(entry); + } +} + + +static void prism2_clear_set_tim_queue(local_info_t *local) +{ + struct list_head *ptr, *n; + + list_for_each_safe(ptr, n, &local->set_tim_list) { + struct set_tim_data *entry; + entry = list_entry(ptr, struct set_tim_data, list); + list_del(&entry->list); + kfree(entry); + } +} + + +/* + * HostAP uses two layers of net devices, where the inner + * layer gets called all the time from the outer layer. + * This is a natural nesting, which needs a split lock type. + */ +static struct lock_class_key hostap_netdev_xmit_lock_key; +static struct lock_class_key hostap_netdev_addr_lock_key; + +static void prism2_set_lockdep_class_one(struct net_device *dev, + struct netdev_queue *txq, + void *_unused) +{ + lockdep_set_class(&txq->_xmit_lock, + &hostap_netdev_xmit_lock_key); +} + +static void prism2_set_lockdep_class(struct net_device *dev) +{ + lockdep_set_class(&dev->addr_list_lock, + &hostap_netdev_addr_lock_key); + netdev_for_each_tx_queue(dev, prism2_set_lockdep_class_one, NULL); +} + +static struct net_device * +prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx, + struct device *sdev) +{ + struct net_device *dev; + struct hostap_interface *iface; + struct local_info *local; + int len, i, ret; + + if (funcs == NULL) + return NULL; + + len = strlen(dev_template); + if (len >= IFNAMSIZ || strstr(dev_template, "%d") == NULL) { + printk(KERN_WARNING "hostap: Invalid dev_template='%s'\n", + dev_template); + return NULL; + } + + len = sizeof(struct hostap_interface) + + 3 + sizeof(struct local_info) + + 3 + sizeof(struct ap_data); + + dev = alloc_etherdev(len); + if (dev == NULL) + return NULL; + + iface = netdev_priv(dev); + local = (struct local_info *) ((((long) (iface + 1)) + 3) & ~3); + local->ap = (struct ap_data *) ((((long) (local + 1)) + 3) & ~3); + local->dev = iface->dev = dev; + iface->local = local; + iface->type = HOSTAP_INTERFACE_MASTER; + INIT_LIST_HEAD(&local->hostap_interfaces); + + local->hw_module = THIS_MODULE; + +#ifdef PRISM2_IO_DEBUG + local->io_debug_enabled = 1; +#endif /* PRISM2_IO_DEBUG */ + + local->func = funcs; + local->func->cmd = hfa384x_cmd; + local->func->read_regs = hfa384x_read_regs; + local->func->get_rid = hfa384x_get_rid; + local->func->set_rid = hfa384x_set_rid; + local->func->hw_enable = prism2_hw_enable; + local->func->hw_config = prism2_hw_config; + local->func->hw_reset = prism2_hw_reset; + local->func->hw_shutdown = prism2_hw_shutdown; + local->func->reset_port = prism2_reset_port; + local->func->schedule_reset = prism2_schedule_reset; +#ifdef PRISM2_DOWNLOAD_SUPPORT + local->func->read_aux_fops = &prism2_download_aux_dump_proc_fops; + local->func->download = prism2_download; +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + local->func->tx = prism2_tx_80211; + local->func->set_tim = prism2_set_tim; + local->func->need_tx_headroom = 0; /* no need to add txdesc in + * skb->data (FIX: maybe for DMA bus + * mastering? */ + + local->mtu = mtu; + + rwlock_init(&local->iface_lock); + spin_lock_init(&local->txfidlock); + spin_lock_init(&local->cmdlock); + spin_lock_init(&local->baplock); + spin_lock_init(&local->lock); + spin_lock_init(&local->irq_init_lock); + mutex_init(&local->rid_bap_mtx); + + if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES) + card_idx = 0; + local->card_idx = card_idx; + + len = strlen(essid); + memcpy(local->essid, essid, + len > MAX_SSID_LEN ? MAX_SSID_LEN : len); + local->essid[MAX_SSID_LEN] = '\0'; + i = GET_INT_PARM(iw_mode, card_idx); + if ((i >= IW_MODE_ADHOC && i <= IW_MODE_REPEAT) || + i == IW_MODE_MONITOR) { + local->iw_mode = i; + } else { + printk(KERN_WARNING "prism2: Unknown iw_mode %d; using " + "IW_MODE_MASTER\n", i); + local->iw_mode = IW_MODE_MASTER; + } + local->channel = GET_INT_PARM(channel, card_idx); + local->beacon_int = GET_INT_PARM(beacon_int, card_idx); + local->dtim_period = GET_INT_PARM(dtim_period, card_idx); + local->wds_max_connections = 16; + local->tx_control = HFA384X_TX_CTRL_FLAGS; + local->manual_retry_count = -1; + local->rts_threshold = 2347; + local->fragm_threshold = 2346; + local->rssi_to_dBm = 100; /* default; to be overriden by + * cnfDbmAdjust, if available */ + local->auth_algs = PRISM2_AUTH_OPEN | PRISM2_AUTH_SHARED_KEY; + local->sram_type = -1; + local->scan_channel_mask = 0xffff; + local->monitor_type = PRISM2_MONITOR_RADIOTAP; + + /* Initialize task queue structures */ + INIT_WORK(&local->reset_queue, handle_reset_queue); + INIT_WORK(&local->set_multicast_list_queue, + hostap_set_multicast_list_queue); + + INIT_WORK(&local->set_tim_queue, handle_set_tim_queue); + INIT_LIST_HEAD(&local->set_tim_list); + spin_lock_init(&local->set_tim_lock); + + INIT_WORK(&local->comms_qual_update, handle_comms_qual_update); + + /* Initialize tasklets for handling hardware IRQ related operations + * outside hw IRQ handler */ +#define HOSTAP_TASKLET_INIT(q, f, d) \ +do { memset((q), 0, sizeof(*(q))); (q)->func = (f); (q)->data = (d); } \ +while (0) + HOSTAP_TASKLET_INIT(&local->bap_tasklet, hostap_bap_tasklet, + (unsigned long) local); + + HOSTAP_TASKLET_INIT(&local->info_tasklet, hostap_info_tasklet, + (unsigned long) local); + hostap_info_init(local); + + HOSTAP_TASKLET_INIT(&local->rx_tasklet, + hostap_rx_tasklet, (unsigned long) local); + skb_queue_head_init(&local->rx_list); + + HOSTAP_TASKLET_INIT(&local->sta_tx_exc_tasklet, + hostap_sta_tx_exc_tasklet, (unsigned long) local); + skb_queue_head_init(&local->sta_tx_exc_list); + + INIT_LIST_HEAD(&local->cmd_queue); + init_waitqueue_head(&local->hostscan_wq); + + lib80211_crypt_info_init(&local->crypt_info, dev->name, &local->lock); + + init_timer(&local->passive_scan_timer); + local->passive_scan_timer.data = (unsigned long) local; + local->passive_scan_timer.function = hostap_passive_scan; + + init_timer(&local->tick_timer); + local->tick_timer.data = (unsigned long) local; + local->tick_timer.function = hostap_tick_timer; + local->tick_timer.expires = jiffies + 2 * HZ; + add_timer(&local->tick_timer); + + INIT_LIST_HEAD(&local->bss_list); + + hostap_setup_dev(dev, local, HOSTAP_INTERFACE_MASTER); + + dev->type = ARPHRD_IEEE80211; + dev->header_ops = &hostap_80211_ops; + + rtnl_lock(); + ret = dev_alloc_name(dev, "wifi%d"); + SET_NETDEV_DEV(dev, sdev); + if (ret >= 0) + ret = register_netdevice(dev); + + prism2_set_lockdep_class(dev); + rtnl_unlock(); + if (ret < 0) { + printk(KERN_WARNING "%s: register netdevice failed!\n", + dev_info); + goto fail; + } + printk(KERN_INFO "%s: Registered netdevice %s\n", dev_info, dev->name); + + hostap_init_data(local); + return dev; + + fail: + free_netdev(dev); + return NULL; +} + + +static int hostap_hw_ready(struct net_device *dev) +{ + struct hostap_interface *iface; + struct local_info *local; + + iface = netdev_priv(dev); + local = iface->local; + local->ddev = hostap_add_interface(local, HOSTAP_INTERFACE_MAIN, 0, + "", dev_template); + + if (local->ddev) { + if (local->iw_mode == IW_MODE_INFRA || + local->iw_mode == IW_MODE_ADHOC) { + netif_carrier_off(local->dev); + netif_carrier_off(local->ddev); + } + hostap_init_proc(local); +#ifndef PRISM2_NO_PROCFS_DEBUG + proc_create_data("registers", 0, local->proc, + &prism2_registers_proc_fops, local); +#endif /* PRISM2_NO_PROCFS_DEBUG */ + hostap_init_ap_proc(local); + return 0; + } + + return -1; +} + + +static void prism2_free_local_data(struct net_device *dev) +{ + struct hostap_tx_callback_info *tx_cb, *tx_cb_prev; + int i; + struct hostap_interface *iface; + struct local_info *local; + struct list_head *ptr, *n; + + if (dev == NULL) + return; + + iface = netdev_priv(dev); + local = iface->local; + + /* Unregister all netdevs before freeing local data. */ + list_for_each_safe(ptr, n, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + if (iface->type == HOSTAP_INTERFACE_MASTER) { + /* special handling for this interface below */ + continue; + } + hostap_remove_interface(iface->dev, 0, 1); + } + + unregister_netdev(local->dev); + + flush_work(&local->reset_queue); + flush_work(&local->set_multicast_list_queue); + flush_work(&local->set_tim_queue); +#ifndef PRISM2_NO_STATION_MODES + flush_work(&local->info_queue); +#endif + flush_work(&local->comms_qual_update); + + lib80211_crypt_info_free(&local->crypt_info); + + if (timer_pending(&local->passive_scan_timer)) + del_timer(&local->passive_scan_timer); + + if (timer_pending(&local->tick_timer)) + del_timer(&local->tick_timer); + + prism2_clear_cmd_queue(local); + + skb_queue_purge(&local->info_list); + skb_queue_purge(&local->rx_list); + skb_queue_purge(&local->sta_tx_exc_list); + + if (local->dev_enabled) + prism2_callback(local, PRISM2_CALLBACK_DISABLE); + + if (local->ap != NULL) + hostap_free_data(local->ap); + +#ifndef PRISM2_NO_PROCFS_DEBUG + if (local->proc != NULL) + remove_proc_entry("registers", local->proc); +#endif /* PRISM2_NO_PROCFS_DEBUG */ + hostap_remove_proc(local); + + tx_cb = local->tx_callback; + while (tx_cb != NULL) { + tx_cb_prev = tx_cb; + tx_cb = tx_cb->next; + kfree(tx_cb_prev); + } + + hostap_set_hostapd(local, 0, 0); + hostap_set_hostapd_sta(local, 0, 0); + + for (i = 0; i < PRISM2_FRAG_CACHE_LEN; i++) { + if (local->frag_cache[i].skb != NULL) + dev_kfree_skb(local->frag_cache[i].skb); + } + +#ifdef PRISM2_DOWNLOAD_SUPPORT + prism2_download_free_data(local->dl_pri); + prism2_download_free_data(local->dl_sec); +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + + prism2_clear_set_tim_queue(local); + + list_for_each_safe(ptr, n, &local->bss_list) { + struct hostap_bss_info *bss = + list_entry(ptr, struct hostap_bss_info, list); + kfree(bss); + } + + kfree(local->pda); + kfree(local->last_scan_results); + kfree(local->generic_elem); + + free_netdev(local->dev); +} + + +#if (defined(PRISM2_PCI) && defined(CONFIG_PM)) || defined(PRISM2_PCCARD) +static void prism2_suspend(struct net_device *dev) +{ + struct hostap_interface *iface; + struct local_info *local; + union iwreq_data wrqu; + + iface = netdev_priv(dev); + local = iface->local; + + /* Send disconnect event, e.g., to trigger reassociation after resume + * if wpa_supplicant is used. */ + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); + + /* Disable hardware and firmware */ + prism2_hw_shutdown(dev, 0); +} +#endif /* (PRISM2_PCI && CONFIG_PM) || PRISM2_PCCARD */ + + +/* These might at some point be compiled separately and used as separate + * kernel modules or linked into one */ +#ifdef PRISM2_DOWNLOAD_SUPPORT +#include "hostap_download.c" +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + +#ifdef PRISM2_CALLBACK +/* External hostap_callback.c file can be used to, e.g., blink activity led. + * This can use platform specific code and must define prism2_callback() + * function (if PRISM2_CALLBACK is not defined, these function calls are not + * used. */ +#include "hostap_callback.c" +#endif /* PRISM2_CALLBACK */ diff --git a/drivers/net/wireless/intersil/hostap/hostap_info.c b/drivers/net/wireless/intersil/hostap/hostap_info.c new file mode 100644 index 000000000000..7635ac4f6679 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_info.c @@ -0,0 +1,507 @@ +/* Host AP driver Info Frame processing (part of hostap.o module) */ + +#include +#include +#include +#include +#include +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info_commtallies16(local_info_t *local, unsigned char *buf, + int left) +{ + struct hfa384x_comm_tallies *tallies; + + if (left < sizeof(struct hfa384x_comm_tallies)) { + printk(KERN_DEBUG "%s: too short (len=%d) commtallies " + "info frame\n", local->dev->name, left); + return; + } + + tallies = (struct hfa384x_comm_tallies *) buf; +#define ADD_COMM_TALLIES(name) \ +local->comm_tallies.name += le16_to_cpu(tallies->name) + ADD_COMM_TALLIES(tx_unicast_frames); + ADD_COMM_TALLIES(tx_multicast_frames); + ADD_COMM_TALLIES(tx_fragments); + ADD_COMM_TALLIES(tx_unicast_octets); + ADD_COMM_TALLIES(tx_multicast_octets); + ADD_COMM_TALLIES(tx_deferred_transmissions); + ADD_COMM_TALLIES(tx_single_retry_frames); + ADD_COMM_TALLIES(tx_multiple_retry_frames); + ADD_COMM_TALLIES(tx_retry_limit_exceeded); + ADD_COMM_TALLIES(tx_discards); + ADD_COMM_TALLIES(rx_unicast_frames); + ADD_COMM_TALLIES(rx_multicast_frames); + ADD_COMM_TALLIES(rx_fragments); + ADD_COMM_TALLIES(rx_unicast_octets); + ADD_COMM_TALLIES(rx_multicast_octets); + ADD_COMM_TALLIES(rx_fcs_errors); + ADD_COMM_TALLIES(rx_discards_no_buffer); + ADD_COMM_TALLIES(tx_discards_wrong_sa); + ADD_COMM_TALLIES(rx_discards_wep_undecryptable); + ADD_COMM_TALLIES(rx_message_in_msg_fragments); + ADD_COMM_TALLIES(rx_message_in_bad_msg_fragments); +#undef ADD_COMM_TALLIES +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info_commtallies32(local_info_t *local, unsigned char *buf, + int left) +{ + struct hfa384x_comm_tallies32 *tallies; + + if (left < sizeof(struct hfa384x_comm_tallies32)) { + printk(KERN_DEBUG "%s: too short (len=%d) commtallies32 " + "info frame\n", local->dev->name, left); + return; + } + + tallies = (struct hfa384x_comm_tallies32 *) buf; +#define ADD_COMM_TALLIES(name) \ +local->comm_tallies.name += le32_to_cpu(tallies->name) + ADD_COMM_TALLIES(tx_unicast_frames); + ADD_COMM_TALLIES(tx_multicast_frames); + ADD_COMM_TALLIES(tx_fragments); + ADD_COMM_TALLIES(tx_unicast_octets); + ADD_COMM_TALLIES(tx_multicast_octets); + ADD_COMM_TALLIES(tx_deferred_transmissions); + ADD_COMM_TALLIES(tx_single_retry_frames); + ADD_COMM_TALLIES(tx_multiple_retry_frames); + ADD_COMM_TALLIES(tx_retry_limit_exceeded); + ADD_COMM_TALLIES(tx_discards); + ADD_COMM_TALLIES(rx_unicast_frames); + ADD_COMM_TALLIES(rx_multicast_frames); + ADD_COMM_TALLIES(rx_fragments); + ADD_COMM_TALLIES(rx_unicast_octets); + ADD_COMM_TALLIES(rx_multicast_octets); + ADD_COMM_TALLIES(rx_fcs_errors); + ADD_COMM_TALLIES(rx_discards_no_buffer); + ADD_COMM_TALLIES(tx_discards_wrong_sa); + ADD_COMM_TALLIES(rx_discards_wep_undecryptable); + ADD_COMM_TALLIES(rx_message_in_msg_fragments); + ADD_COMM_TALLIES(rx_message_in_bad_msg_fragments); +#undef ADD_COMM_TALLIES +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info_commtallies(local_info_t *local, unsigned char *buf, + int left) +{ + if (local->tallies32) + prism2_info_commtallies32(local, buf, left); + else + prism2_info_commtallies16(local, buf, left); +} + + +#ifndef PRISM2_NO_STATION_MODES +#ifndef PRISM2_NO_DEBUG +static const char* hfa384x_linkstatus_str(u16 linkstatus) +{ + switch (linkstatus) { + case HFA384X_LINKSTATUS_CONNECTED: + return "Connected"; + case HFA384X_LINKSTATUS_DISCONNECTED: + return "Disconnected"; + case HFA384X_LINKSTATUS_AP_CHANGE: + return "Access point change"; + case HFA384X_LINKSTATUS_AP_OUT_OF_RANGE: + return "Access point out of range"; + case HFA384X_LINKSTATUS_AP_IN_RANGE: + return "Access point in range"; + case HFA384X_LINKSTATUS_ASSOC_FAILED: + return "Association failed"; + default: + return "Unknown"; + } +} +#endif /* PRISM2_NO_DEBUG */ + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info_linkstatus(local_info_t *local, unsigned char *buf, + int left) +{ + u16 val; + int non_sta_mode; + + /* Alloc new JoinRequests to occur since LinkStatus for the previous + * has been received */ + local->last_join_time = 0; + + if (left != 2) { + printk(KERN_DEBUG "%s: invalid linkstatus info frame " + "length %d\n", local->dev->name, left); + return; + } + + non_sta_mode = local->iw_mode == IW_MODE_MASTER || + local->iw_mode == IW_MODE_REPEAT || + local->iw_mode == IW_MODE_MONITOR; + + val = buf[0] | (buf[1] << 8); + if (!non_sta_mode || val != HFA384X_LINKSTATUS_DISCONNECTED) { + PDEBUG(DEBUG_EXTRA, "%s: LinkStatus=%d (%s)\n", + local->dev->name, val, hfa384x_linkstatus_str(val)); + } + + if (non_sta_mode) { + netif_carrier_on(local->dev); + netif_carrier_on(local->ddev); + return; + } + + /* Get current BSSID later in scheduled task */ + set_bit(PRISM2_INFO_PENDING_LINKSTATUS, &local->pending_info); + local->prev_link_status = val; + schedule_work(&local->info_queue); +} + + +static void prism2_host_roaming(local_info_t *local) +{ + struct hfa384x_join_request req; + struct net_device *dev = local->dev; + struct hfa384x_hostscan_result *selected, *entry; + int i; + unsigned long flags; + + if (local->last_join_time && + time_before(jiffies, local->last_join_time + 10 * HZ)) { + PDEBUG(DEBUG_EXTRA, "%s: last join request has not yet been " + "completed - waiting for it before issuing new one\n", + dev->name); + return; + } + + /* ScanResults are sorted: first ESS results in decreasing signal + * quality then IBSS results in similar order. + * Trivial roaming policy: just select the first entry. + * This could probably be improved by adding hysteresis to limit + * number of handoffs, etc. + * + * Could do periodic RID_SCANREQUEST or Inquire F101 to get new + * ScanResults */ + spin_lock_irqsave(&local->lock, flags); + if (local->last_scan_results == NULL || + local->last_scan_results_count == 0) { + spin_unlock_irqrestore(&local->lock, flags); + PDEBUG(DEBUG_EXTRA, "%s: no scan results for host roaming\n", + dev->name); + return; + } + + selected = &local->last_scan_results[0]; + + if (local->preferred_ap[0] || local->preferred_ap[1] || + local->preferred_ap[2] || local->preferred_ap[3] || + local->preferred_ap[4] || local->preferred_ap[5]) { + /* Try to find preferred AP */ + PDEBUG(DEBUG_EXTRA, "%s: Preferred AP BSSID %pM\n", + dev->name, local->preferred_ap); + for (i = 0; i < local->last_scan_results_count; i++) { + entry = &local->last_scan_results[i]; + if (memcmp(local->preferred_ap, entry->bssid, 6) == 0) + { + PDEBUG(DEBUG_EXTRA, "%s: using preferred AP " + "selection\n", dev->name); + selected = entry; + break; + } + } + } + + memcpy(req.bssid, selected->bssid, ETH_ALEN); + req.channel = selected->chid; + spin_unlock_irqrestore(&local->lock, flags); + + PDEBUG(DEBUG_EXTRA, "%s: JoinRequest: BSSID=%pM" + " channel=%d\n", + dev->name, req.bssid, le16_to_cpu(req.channel)); + if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req, + sizeof(req))) { + printk(KERN_DEBUG "%s: JoinRequest failed\n", dev->name); + } + local->last_join_time = jiffies; +} + + +static void hostap_report_scan_complete(local_info_t *local) +{ + union iwreq_data wrqu; + + /* Inform user space about new scan results (just empty event, + * SIOCGIWSCAN can be used to fetch data */ + wrqu.data.length = 0; + wrqu.data.flags = 0; + wireless_send_event(local->dev, SIOCGIWSCAN, &wrqu, NULL); + + /* Allow SIOCGIWSCAN handling to occur since we have received + * scanning result */ + local->scan_timestamp = 0; +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info_scanresults(local_info_t *local, unsigned char *buf, + int left) +{ + u16 *pos; + int new_count, i; + unsigned long flags; + struct hfa384x_scan_result *res; + struct hfa384x_hostscan_result *results, *prev; + + if (left < 4) { + printk(KERN_DEBUG "%s: invalid scanresult info frame " + "length %d\n", local->dev->name, left); + return; + } + + pos = (u16 *) buf; + pos++; + pos++; + left -= 4; + + new_count = left / sizeof(struct hfa384x_scan_result); + results = kmalloc(new_count * sizeof(struct hfa384x_hostscan_result), + GFP_ATOMIC); + if (results == NULL) + return; + + /* Convert to hostscan result format. */ + res = (struct hfa384x_scan_result *) pos; + for (i = 0; i < new_count; i++) { + memcpy(&results[i], &res[i], + sizeof(struct hfa384x_scan_result)); + results[i].atim = 0; + } + + spin_lock_irqsave(&local->lock, flags); + local->last_scan_type = PRISM2_SCAN; + prev = local->last_scan_results; + local->last_scan_results = results; + local->last_scan_results_count = new_count; + spin_unlock_irqrestore(&local->lock, flags); + kfree(prev); + + hostap_report_scan_complete(local); + + /* Perform rest of ScanResults handling later in scheduled task */ + set_bit(PRISM2_INFO_PENDING_SCANRESULTS, &local->pending_info); + schedule_work(&local->info_queue); +} + + +/* Called only as a tasklet (software IRQ) */ +static void prism2_info_hostscanresults(local_info_t *local, + unsigned char *buf, int left) +{ + int i, result_size, copy_len, new_count; + struct hfa384x_hostscan_result *results, *prev; + unsigned long flags; + __le16 *pos; + u8 *ptr; + + wake_up_interruptible(&local->hostscan_wq); + + if (left < 4) { + printk(KERN_DEBUG "%s: invalid hostscanresult info frame " + "length %d\n", local->dev->name, left); + return; + } + + pos = (__le16 *) buf; + copy_len = result_size = le16_to_cpu(*pos); + if (result_size == 0) { + printk(KERN_DEBUG "%s: invalid result_size (0) in " + "hostscanresults\n", local->dev->name); + return; + } + if (copy_len > sizeof(struct hfa384x_hostscan_result)) + copy_len = sizeof(struct hfa384x_hostscan_result); + + pos++; + pos++; + left -= 4; + ptr = (u8 *) pos; + + new_count = left / result_size; + results = kcalloc(new_count, sizeof(struct hfa384x_hostscan_result), + GFP_ATOMIC); + if (results == NULL) + return; + + for (i = 0; i < new_count; i++) { + memcpy(&results[i], ptr, copy_len); + ptr += result_size; + left -= result_size; + } + + if (left) { + printk(KERN_DEBUG "%s: short HostScan result entry (%d/%d)\n", + local->dev->name, left, result_size); + } + + spin_lock_irqsave(&local->lock, flags); + local->last_scan_type = PRISM2_HOSTSCAN; + prev = local->last_scan_results; + local->last_scan_results = results; + local->last_scan_results_count = new_count; + spin_unlock_irqrestore(&local->lock, flags); + kfree(prev); + + hostap_report_scan_complete(local); +} +#endif /* PRISM2_NO_STATION_MODES */ + + +/* Called only as a tasklet (software IRQ) */ +void hostap_info_process(local_info_t *local, struct sk_buff *skb) +{ + struct hfa384x_info_frame *info; + unsigned char *buf; + int left; +#ifndef PRISM2_NO_DEBUG + int i; +#endif /* PRISM2_NO_DEBUG */ + + info = (struct hfa384x_info_frame *) skb->data; + buf = skb->data + sizeof(*info); + left = skb->len - sizeof(*info); + + switch (le16_to_cpu(info->type)) { + case HFA384X_INFO_COMMTALLIES: + prism2_info_commtallies(local, buf, left); + break; + +#ifndef PRISM2_NO_STATION_MODES + case HFA384X_INFO_LINKSTATUS: + prism2_info_linkstatus(local, buf, left); + break; + + case HFA384X_INFO_SCANRESULTS: + prism2_info_scanresults(local, buf, left); + break; + + case HFA384X_INFO_HOSTSCANRESULTS: + prism2_info_hostscanresults(local, buf, left); + break; +#endif /* PRISM2_NO_STATION_MODES */ + +#ifndef PRISM2_NO_DEBUG + default: + PDEBUG(DEBUG_EXTRA, "%s: INFO - len=%d type=0x%04x\n", + local->dev->name, le16_to_cpu(info->len), + le16_to_cpu(info->type)); + PDEBUG(DEBUG_EXTRA, "Unknown info frame:"); + for (i = 0; i < (left < 100 ? left : 100); i++) + PDEBUG2(DEBUG_EXTRA, " %02x", buf[i]); + PDEBUG2(DEBUG_EXTRA, "\n"); + break; +#endif /* PRISM2_NO_DEBUG */ + } +} + + +#ifndef PRISM2_NO_STATION_MODES +static void handle_info_queue_linkstatus(local_info_t *local) +{ + int val = local->prev_link_status; + int connected; + union iwreq_data wrqu; + + connected = + val == HFA384X_LINKSTATUS_CONNECTED || + val == HFA384X_LINKSTATUS_AP_CHANGE || + val == HFA384X_LINKSTATUS_AP_IN_RANGE; + + if (local->func->get_rid(local->dev, HFA384X_RID_CURRENTBSSID, + local->bssid, ETH_ALEN, 1) < 0) { + printk(KERN_DEBUG "%s: could not read CURRENTBSSID after " + "LinkStatus event\n", local->dev->name); + } else { + PDEBUG(DEBUG_EXTRA, "%s: LinkStatus: BSSID=%pM\n", + local->dev->name, + (unsigned char *) local->bssid); + if (local->wds_type & HOSTAP_WDS_AP_CLIENT) + hostap_add_sta(local->ap, local->bssid); + } + + /* Get BSSID if we have a valid AP address */ + if (connected) { + netif_carrier_on(local->dev); + netif_carrier_on(local->ddev); + memcpy(wrqu.ap_addr.sa_data, local->bssid, ETH_ALEN); + } else { + netif_carrier_off(local->dev); + netif_carrier_off(local->ddev); + eth_zero_addr(wrqu.ap_addr.sa_data); + } + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + + /* + * Filter out sequential disconnect events in order not to cause a + * flood of SIOCGIWAP events that have a race condition with EAPOL + * frames and can confuse wpa_supplicant about the current association + * status. + */ + if (connected || local->prev_linkstatus_connected) + wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); + local->prev_linkstatus_connected = connected; +} + + +static void handle_info_queue_scanresults(local_info_t *local) +{ + if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) + prism2_host_roaming(local); + + if (local->host_roaming == 2 && local->iw_mode == IW_MODE_INFRA && + !is_zero_ether_addr(local->preferred_ap)) { + /* + * Firmware seems to be getting into odd state in host_roaming + * mode 2 when hostscan is used without join command, so try + * to fix this by re-joining the current AP. This does not + * actually trigger a new association if the current AP is + * still in the scan results. + */ + prism2_host_roaming(local); + } +} + + +/* Called only as scheduled task after receiving info frames (used to avoid + * pending too much time in HW IRQ handler). */ +static void handle_info_queue(struct work_struct *work) +{ + local_info_t *local = container_of(work, local_info_t, info_queue); + + if (test_and_clear_bit(PRISM2_INFO_PENDING_LINKSTATUS, + &local->pending_info)) + handle_info_queue_linkstatus(local); + + if (test_and_clear_bit(PRISM2_INFO_PENDING_SCANRESULTS, + &local->pending_info)) + handle_info_queue_scanresults(local); +} +#endif /* PRISM2_NO_STATION_MODES */ + + +void hostap_info_init(local_info_t *local) +{ + skb_queue_head_init(&local->info_list); +#ifndef PRISM2_NO_STATION_MODES + INIT_WORK(&local->info_queue, handle_info_queue); +#endif /* PRISM2_NO_STATION_MODES */ +} + + +EXPORT_SYMBOL(hostap_info_init); +EXPORT_SYMBOL(hostap_info_process); diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c new file mode 100644 index 000000000000..3e5fa7872b64 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c @@ -0,0 +1,4054 @@ +/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" + +static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct iw_statistics *wstats; + + iface = netdev_priv(dev); + local = iface->local; + + /* Why are we doing that ? Jean II */ + if (iface->type != HOSTAP_INTERFACE_MAIN) + return NULL; + + wstats = &local->wstats; + + wstats->status = 0; + wstats->discard.code = + local->comm_tallies.rx_discards_wep_undecryptable; + wstats->discard.misc = + local->comm_tallies.rx_fcs_errors + + local->comm_tallies.rx_discards_no_buffer + + local->comm_tallies.tx_discards_wrong_sa; + + wstats->discard.retries = + local->comm_tallies.tx_retry_limit_exceeded; + wstats->discard.fragment = + local->comm_tallies.rx_message_in_bad_msg_fragments; + + if (local->iw_mode != IW_MODE_MASTER && + local->iw_mode != IW_MODE_REPEAT) { + int update = 1; +#ifdef in_atomic + /* RID reading might sleep and it must not be called in + * interrupt context or while atomic. However, this + * function seems to be called while atomic (at least in Linux + * 2.5.59). Update signal quality values only if in suitable + * context. Otherwise, previous values read from tick timer + * will be used. */ + if (in_atomic()) + update = 0; +#endif /* in_atomic */ + + if (update && prism2_update_comms_qual(dev) == 0) + wstats->qual.updated = IW_QUAL_ALL_UPDATED | + IW_QUAL_DBM; + + wstats->qual.qual = local->comms_qual; + wstats->qual.level = local->avg_signal; + wstats->qual.noise = local->avg_noise; + } else { + wstats->qual.qual = 0; + wstats->qual.level = 0; + wstats->qual.noise = 0; + wstats->qual.updated = IW_QUAL_ALL_INVALID; + } + + return wstats; +} + + +static int prism2_get_datarates(struct net_device *dev, u8 *rates) +{ + struct hostap_interface *iface; + local_info_t *local; + u8 buf[12]; + int len; + u16 val; + + iface = netdev_priv(dev); + local = iface->local; + + len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf, + sizeof(buf), 0); + if (len < 2) + return 0; + + val = le16_to_cpu(*(__le16 *) buf); /* string length */ + + if (len - 2 < val || val > 10) + return 0; + + memcpy(rates, buf + 2, val); + return val; +} + + +static int prism2_get_name(struct net_device *dev, + struct iw_request_info *info, + char *name, char *extra) +{ + u8 rates[10]; + int len, i, over2 = 0; + + len = prism2_get_datarates(dev, rates); + + for (i = 0; i < len; i++) { + if (rates[i] == 0x0b || rates[i] == 0x16) { + over2 = 1; + break; + } + } + + strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS"); + + return 0; +} + + +static int prism2_ioctl_siwencode(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, char *keybuf) +{ + struct hostap_interface *iface; + local_info_t *local; + int i; + struct lib80211_crypt_data **crypt; + + iface = netdev_priv(dev); + local = iface->local; + + i = erq->flags & IW_ENCODE_INDEX; + if (i < 1 || i > 4) + i = local->crypt_info.tx_keyidx; + else + i--; + if (i < 0 || i >= WEP_KEYS) + return -EINVAL; + + crypt = &local->crypt_info.crypt[i]; + + if (erq->flags & IW_ENCODE_DISABLED) { + if (*crypt) + lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); + goto done; + } + + if (*crypt != NULL && (*crypt)->ops != NULL && + strcmp((*crypt)->ops->name, "WEP") != 0) { + /* changing to use WEP; deinit previously used algorithm */ + lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); + } + + if (*crypt == NULL) { + struct lib80211_crypt_data *new_crypt; + + /* take WEP into use */ + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), + GFP_KERNEL); + if (new_crypt == NULL) + return -ENOMEM; + new_crypt->ops = lib80211_get_crypto_ops("WEP"); + if (!new_crypt->ops) { + request_module("lib80211_crypt_wep"); + new_crypt->ops = lib80211_get_crypto_ops("WEP"); + } + if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + new_crypt->priv = new_crypt->ops->init(i); + if (!new_crypt->ops || !new_crypt->priv) { + kfree(new_crypt); + new_crypt = NULL; + + printk(KERN_WARNING "%s: could not initialize WEP: " + "load module hostap_crypt_wep.o\n", + dev->name); + return -EOPNOTSUPP; + } + *crypt = new_crypt; + } + + if (erq->length > 0) { + int len = erq->length <= 5 ? 5 : 13; + int first = 1, j; + if (len > erq->length) + memset(keybuf + erq->length, 0, len - erq->length); + (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv); + for (j = 0; j < WEP_KEYS; j++) { + if (j != i && local->crypt_info.crypt[j]) { + first = 0; + break; + } + } + if (first) + local->crypt_info.tx_keyidx = i; + } else { + /* No key data - just set the default TX key index */ + local->crypt_info.tx_keyidx = i; + } + + done: + local->open_wep = erq->flags & IW_ENCODE_OPEN; + + if (hostap_set_encryption(local)) { + printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name); + return -EINVAL; + } + + /* Do not reset port0 if card is in Managed mode since resetting will + * generate new IEEE 802.11 authentication which may end up in looping + * with IEEE 802.1X. Prism2 documentation seem to require port reset + * after WEP configuration. However, keys are apparently changed at + * least in Managed mode. */ + if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) { + printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); + return -EINVAL; + } + + return 0; +} + + +static int prism2_ioctl_giwencode(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, char *key) +{ + struct hostap_interface *iface; + local_info_t *local; + int i, len; + u16 val; + struct lib80211_crypt_data *crypt; + + iface = netdev_priv(dev); + local = iface->local; + + i = erq->flags & IW_ENCODE_INDEX; + if (i < 1 || i > 4) + i = local->crypt_info.tx_keyidx; + else + i--; + if (i < 0 || i >= WEP_KEYS) + return -EINVAL; + + crypt = local->crypt_info.crypt[i]; + erq->flags = i + 1; + + if (crypt == NULL || crypt->ops == NULL) { + erq->length = 0; + erq->flags |= IW_ENCODE_DISABLED; + return 0; + } + + if (strcmp(crypt->ops->name, "WEP") != 0) { + /* only WEP is supported with wireless extensions, so just + * report that encryption is used */ + erq->length = 0; + erq->flags |= IW_ENCODE_ENABLED; + return 0; + } + + /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show + * the keys from driver buffer */ + len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv); + erq->length = (len >= 0 ? len : 0); + + if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0) + { + printk("CNFWEPFLAGS reading failed\n"); + return -EOPNOTSUPP; + } + le16_to_cpus(&val); + if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED) + erq->flags |= IW_ENCODE_ENABLED; + else + erq->flags |= IW_ENCODE_DISABLED; + if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED) + erq->flags |= IW_ENCODE_RESTRICTED; + else + erq->flags |= IW_ENCODE_OPEN; + + return 0; +} + + +static int hostap_set_rate(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + int ret, basic_rates; + + iface = netdev_priv(dev); + local = iface->local; + + basic_rates = local->basic_rates & local->tx_rate_control; + if (!basic_rates || basic_rates != local->basic_rates) { + printk(KERN_INFO "%s: updating basic rate set automatically " + "to match with the new supported rate set\n", + dev->name); + if (!basic_rates) + basic_rates = local->tx_rate_control; + + local->basic_rates = basic_rates; + if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES, + basic_rates)) + printk(KERN_WARNING "%s: failed to set " + "cnfBasicRates\n", dev->name); + } + + ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL, + local->tx_rate_control) || + hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES, + local->tx_rate_control) || + local->func->reset_port(dev)); + + if (ret) { + printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates " + "setting to 0x%x failed\n", + dev->name, local->tx_rate_control); + } + + /* Update TX rate configuration for all STAs based on new operational + * rate set. */ + hostap_update_rates(local); + + return ret; +} + + +static int prism2_ioctl_siwrate(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (rrq->fixed) { + switch (rrq->value) { + case 11000000: + local->tx_rate_control = HFA384X_RATES_11MBPS; + break; + case 5500000: + local->tx_rate_control = HFA384X_RATES_5MBPS; + break; + case 2000000: + local->tx_rate_control = HFA384X_RATES_2MBPS; + break; + case 1000000: + local->tx_rate_control = HFA384X_RATES_1MBPS; + break; + default: + local->tx_rate_control = HFA384X_RATES_1MBPS | + HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS | + HFA384X_RATES_11MBPS; + break; + } + } else { + switch (rrq->value) { + case 11000000: + local->tx_rate_control = HFA384X_RATES_1MBPS | + HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS | + HFA384X_RATES_11MBPS; + break; + case 5500000: + local->tx_rate_control = HFA384X_RATES_1MBPS | + HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS; + break; + case 2000000: + local->tx_rate_control = HFA384X_RATES_1MBPS | + HFA384X_RATES_2MBPS; + break; + case 1000000: + local->tx_rate_control = HFA384X_RATES_1MBPS; + break; + default: + local->tx_rate_control = HFA384X_RATES_1MBPS | + HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS | + HFA384X_RATES_11MBPS; + break; + } + } + + return hostap_set_rate(dev); +} + + +static int prism2_ioctl_giwrate(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + u16 val; + struct hostap_interface *iface; + local_info_t *local; + int ret = 0; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) < + 0) + return -EINVAL; + + if ((val & 0x1) && (val > 1)) + rrq->fixed = 0; + else + rrq->fixed = 1; + + if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL && + !local->fw_tx_rate_control) { + /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in + * Host AP mode, so use the recorded TX rate of the last sent + * frame */ + rrq->value = local->ap->last_tx_rate > 0 ? + local->ap->last_tx_rate * 100000 : 11000000; + return 0; + } + + if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) < + 0) + return -EINVAL; + + switch (val) { + case HFA384X_RATES_1MBPS: + rrq->value = 1000000; + break; + case HFA384X_RATES_2MBPS: + rrq->value = 2000000; + break; + case HFA384X_RATES_5MBPS: + rrq->value = 5500000; + break; + case HFA384X_RATES_11MBPS: + rrq->value = 11000000; + break; + default: + /* should not happen */ + rrq->value = 11000000; + ret = -EINVAL; + break; + } + + return ret; +} + + +static int prism2_ioctl_siwsens(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *sens, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + /* Set the desired AP density */ + if (sens->value < 1 || sens->value > 3) + return -EINVAL; + + if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) || + local->func->reset_port(dev)) + return -EINVAL; + + return 0; +} + +static int prism2_ioctl_giwsens(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *sens, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 val; + + iface = netdev_priv(dev); + local = iface->local; + + /* Get the current AP density */ + if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) < + 0) + return -EINVAL; + + sens->value = le16_to_cpu(val); + sens->fixed = 1; + + return 0; +} + + +/* Deprecated in new wireless extension API */ +static int prism2_ioctl_giwaplist(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + struct sockaddr *addr; + struct iw_quality *qual; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->iw_mode != IW_MODE_MASTER) { + printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported " + "in Host AP mode\n"); + data->length = 0; + return -EOPNOTSUPP; + } + + addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL); + qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL); + if (addr == NULL || qual == NULL) { + kfree(addr); + kfree(qual); + data->length = 0; + return -ENOMEM; + } + + data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1); + + memcpy(extra, addr, sizeof(struct sockaddr) * data->length); + data->flags = 1; /* has quality information */ + memcpy(extra + sizeof(struct sockaddr) * data->length, qual, + sizeof(struct iw_quality) * data->length); + + kfree(addr); + kfree(qual); + return 0; +} + + +static int prism2_ioctl_siwrts(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 val; + + iface = netdev_priv(dev); + local = iface->local; + + if (rts->disabled) + val = cpu_to_le16(2347); + else if (rts->value < 0 || rts->value > 2347) + return -EINVAL; + else + val = cpu_to_le16(rts->value); + + if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) || + local->func->reset_port(dev)) + return -EINVAL; + + local->rts_threshold = rts->value; + + return 0; +} + +static int prism2_ioctl_giwrts(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 val; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) < + 0) + return -EINVAL; + + rts->value = le16_to_cpu(val); + rts->disabled = (rts->value == 2347); + rts->fixed = 1; + + return 0; +} + + +static int prism2_ioctl_siwfrag(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 val; + + iface = netdev_priv(dev); + local = iface->local; + + if (rts->disabled) + val = cpu_to_le16(2346); + else if (rts->value < 256 || rts->value > 2346) + return -EINVAL; + else + val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */ + + local->fragm_threshold = rts->value & ~0x1; + if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val, + 2) + || local->func->reset_port(dev)) + return -EINVAL; + + return 0; +} + +static int prism2_ioctl_giwfrag(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 val; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, + &val, 2, 1) < 0) + return -EINVAL; + + rts->value = le16_to_cpu(val); + rts->disabled = (rts->value == 2346); + rts->fixed = 1; + + return 0; +} + + +#ifndef PRISM2_NO_STATION_MODES +static int hostap_join_ap(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hfa384x_join_request req; + unsigned long flags; + int i; + struct hfa384x_hostscan_result *entry; + + iface = netdev_priv(dev); + local = iface->local; + + memcpy(req.bssid, local->preferred_ap, ETH_ALEN); + req.channel = 0; + + spin_lock_irqsave(&local->lock, flags); + for (i = 0; i < local->last_scan_results_count; i++) { + if (!local->last_scan_results) + break; + entry = &local->last_scan_results[i]; + if (ether_addr_equal(local->preferred_ap, entry->bssid)) { + req.channel = entry->chid; + break; + } + } + spin_unlock_irqrestore(&local->lock, flags); + + if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req, + sizeof(req))) { + printk(KERN_DEBUG "%s: JoinRequest %pM failed\n", + dev->name, local->preferred_ap); + return -1; + } + + printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n", + dev->name, local->preferred_ap); + + return 0; +} +#endif /* PRISM2_NO_STATION_MODES */ + + +static int prism2_ioctl_siwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra) +{ +#ifdef PRISM2_NO_STATION_MODES + return -EOPNOTSUPP; +#else /* PRISM2_NO_STATION_MODES */ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN); + + if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) { + struct hfa384x_scan_request scan_req; + memset(&scan_req, 0, sizeof(scan_req)); + scan_req.channel_list = cpu_to_le16(0x3fff); + scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS); + if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, + &scan_req, sizeof(scan_req))) { + printk(KERN_DEBUG "%s: ScanResults request failed - " + "preferred AP delayed to next unsolicited " + "scan\n", dev->name); + } + } else if (local->host_roaming == 2 && + local->iw_mode == IW_MODE_INFRA) { + if (hostap_join_ap(dev)) + return -EINVAL; + } else { + printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only " + "in Managed mode when host_roaming is enabled\n", + dev->name); + } + + return 0; +#endif /* PRISM2_NO_STATION_MODES */ +} + +static int prism2_ioctl_giwap(struct net_device *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + ap_addr->sa_family = ARPHRD_ETHER; + switch (iface->type) { + case HOSTAP_INTERFACE_AP: + memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN); + break; + case HOSTAP_INTERFACE_STA: + memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN); + break; + case HOSTAP_INTERFACE_WDS: + memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN); + break; + default: + if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID, + &ap_addr->sa_data, ETH_ALEN, 1) < 0) + return -EOPNOTSUPP; + + /* local->bssid is also updated in LinkStatus handler when in + * station mode */ + memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN); + break; + } + + return 0; +} + + +static int prism2_ioctl_siwnickn(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *nickname) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + memset(local->name, 0, sizeof(local->name)); + memcpy(local->name, nickname, data->length); + local->name_set = 1; + + if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) || + local->func->reset_port(dev)) + return -EINVAL; + + return 0; +} + +static int prism2_ioctl_giwnickn(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *nickname) +{ + struct hostap_interface *iface; + local_info_t *local; + int len; + char name[MAX_NAME_LEN + 3]; + u16 val; + + iface = netdev_priv(dev); + local = iface->local; + + len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME, + &name, MAX_NAME_LEN + 2, 0); + val = le16_to_cpu(*(__le16 *) name); + if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN) + return -EOPNOTSUPP; + + name[val + 2] = '\0'; + data->length = val + 1; + memcpy(nickname, name + 2, val + 1); + + return 0; +} + + +static int prism2_ioctl_siwfreq(struct net_device *dev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + /* freq => chan. */ + if (freq->e == 1 && + freq->m / 100000 >= freq_list[0] && + freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) { + int ch; + int fr = freq->m / 100000; + for (ch = 0; ch < FREQ_COUNT; ch++) { + if (fr == freq_list[ch]) { + freq->e = 0; + freq->m = ch + 1; + break; + } + } + } + + if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT || + !(local->channel_mask & (1 << (freq->m - 1)))) + return -EINVAL; + + local->channel = freq->m; /* channel is used in prism2_setup_rids() */ + if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) || + local->func->reset_port(dev)) + return -EINVAL; + + return 0; +} + +static int prism2_ioctl_giwfreq(struct net_device *dev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + u16 val; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) < + 0) + return -EINVAL; + + le16_to_cpus(&val); + if (val < 1 || val > FREQ_COUNT) + return -EINVAL; + + freq->m = freq_list[val - 1] * 100000; + freq->e = 1; + + return 0; +} + + +static void hostap_monitor_set_type(local_info_t *local) +{ + struct net_device *dev = local->ddev; + + if (dev == NULL) + return; + + if (local->monitor_type == PRISM2_MONITOR_PRISM || + local->monitor_type == PRISM2_MONITOR_CAPHDR) { + dev->type = ARPHRD_IEEE80211_PRISM; + } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) { + dev->type = ARPHRD_IEEE80211_RADIOTAP; + } else { + dev->type = ARPHRD_IEEE80211; + } +} + + +static int prism2_ioctl_siwessid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *ssid) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (iface->type == HOSTAP_INTERFACE_WDS) + return -EOPNOTSUPP; + + if (data->flags == 0) + ssid[0] = '\0'; /* ANY */ + + if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') { + /* Setting SSID to empty string seems to kill the card in + * Host AP mode */ + printk(KERN_DEBUG "%s: Host AP mode does not support " + "'Any' essid\n", dev->name); + return -EINVAL; + } + + memcpy(local->essid, ssid, data->length); + local->essid[data->length] = '\0'; + + if ((!local->fw_ap && + hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid)) + || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) || + local->func->reset_port(dev)) + return -EINVAL; + + return 0; +} + +static int prism2_ioctl_giwessid(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *essid) +{ + struct hostap_interface *iface; + local_info_t *local; + u16 val; + + iface = netdev_priv(dev); + local = iface->local; + + if (iface->type == HOSTAP_INTERFACE_WDS) + return -EOPNOTSUPP; + + data->flags = 1; /* active */ + if (local->iw_mode == IW_MODE_MASTER) { + data->length = strlen(local->essid); + memcpy(essid, local->essid, IW_ESSID_MAX_SIZE); + } else { + int len; + char ssid[MAX_SSID_LEN + 2]; + memset(ssid, 0, sizeof(ssid)); + len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID, + &ssid, MAX_SSID_LEN + 2, 0); + val = le16_to_cpu(*(__le16 *) ssid); + if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) { + return -EOPNOTSUPP; + } + data->length = val; + memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE); + } + + return 0; +} + + +static int prism2_ioctl_giwrange(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + struct iw_range *range = (struct iw_range *) extra; + u8 rates[10]; + u16 val; + int i, len, over2; + + iface = netdev_priv(dev); + local = iface->local; + + data->length = sizeof(struct iw_range); + memset(range, 0, sizeof(struct iw_range)); + + /* TODO: could fill num_txpower and txpower array with + * something; however, there are 128 different values.. */ + + range->txpower_capa = IW_TXPOW_DBM; + + if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC) + { + range->min_pmp = 1 * 1024; + range->max_pmp = 65535 * 1024; + range->min_pmt = 1 * 1024; + range->max_pmt = 1000 * 1024; + range->pmp_flags = IW_POWER_PERIOD; + range->pmt_flags = IW_POWER_TIMEOUT; + range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | + IW_POWER_UNICAST_R | IW_POWER_ALL_R; + } + + range->we_version_compiled = WIRELESS_EXT; + range->we_version_source = 18; + + range->retry_capa = IW_RETRY_LIMIT; + range->retry_flags = IW_RETRY_LIMIT; + range->min_retry = 0; + range->max_retry = 255; + + range->num_channels = FREQ_COUNT; + + val = 0; + for (i = 0; i < FREQ_COUNT; i++) { + if (local->channel_mask & (1 << i)) { + range->freq[val].i = i + 1; + range->freq[val].m = freq_list[i] * 100000; + range->freq[val].e = 1; + val++; + } + if (val == IW_MAX_FREQUENCIES) + break; + } + range->num_frequency = val; + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { + range->max_qual.qual = 70; /* what is correct max? This was not + * documented exactly. At least + * 69 has been observed. */ + range->max_qual.level = 0; /* dB */ + range->max_qual.noise = 0; /* dB */ + + /* What would be suitable values for "average/typical" qual? */ + range->avg_qual.qual = 20; + range->avg_qual.level = -60; + range->avg_qual.noise = -95; + } else { + range->max_qual.qual = 92; /* 0 .. 92 */ + range->max_qual.level = 154; /* 27 .. 154 */ + range->max_qual.noise = 154; /* 27 .. 154 */ + } + range->sensitivity = 3; + + range->max_encoding_tokens = WEP_KEYS; + range->num_encoding_sizes = 2; + range->encoding_size[0] = 5; + range->encoding_size[1] = 13; + + over2 = 0; + len = prism2_get_datarates(dev, rates); + range->num_bitrates = 0; + for (i = 0; i < len; i++) { + if (range->num_bitrates < IW_MAX_BITRATES) { + range->bitrate[range->num_bitrates] = + rates[i] * 500000; + range->num_bitrates++; + } + if (rates[i] == 0x0b || rates[i] == 0x16) + over2 = 1; + } + /* estimated maximum TCP throughput values (bps) */ + range->throughput = over2 ? 5500000 : 1500000; + + range->min_rts = 0; + range->max_rts = 2347; + range->min_frag = 256; + range->max_frag = 2346; + + /* Event capability (kernel + driver) */ + range->event_capa[0] = (IW_EVENT_CAPA_K_0 | + IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | + IW_EVENT_CAPA_MASK(SIOCGIWAP) | + IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); + range->event_capa[1] = IW_EVENT_CAPA_K_1; + range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) | + IW_EVENT_CAPA_MASK(IWEVCUSTOM) | + IW_EVENT_CAPA_MASK(IWEVREGISTERED) | + IW_EVENT_CAPA_MASK(IWEVEXPIRED)); + + range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | + IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) + range->scan_capa = IW_SCAN_CAPA_ESSID; + + return 0; +} + + +static int hostap_monitor_mode_enable(local_info_t *local) +{ + struct net_device *dev = local->dev; + + printk(KERN_DEBUG "Enabling monitor mode\n"); + hostap_monitor_set_type(local); + + if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, + HFA384X_PORTTYPE_PSEUDO_IBSS)) { + printk(KERN_DEBUG "Port type setting for monitor mode " + "failed\n"); + return -EOPNOTSUPP; + } + + /* Host decrypt is needed to get the IV and ICV fields; + * however, monitor mode seems to remove WEP flag from frame + * control field */ + if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS, + HFA384X_WEPFLAGS_HOSTENCRYPT | + HFA384X_WEPFLAGS_HOSTDECRYPT)) { + printk(KERN_DEBUG "WEP flags setting failed\n"); + return -EOPNOTSUPP; + } + + if (local->func->reset_port(dev) || + local->func->cmd(dev, HFA384X_CMDCODE_TEST | + (HFA384X_TEST_MONITOR << 8), + 0, NULL, NULL)) { + printk(KERN_DEBUG "Setting monitor mode failed\n"); + return -EOPNOTSUPP; + } + + return 0; +} + + +static int hostap_monitor_mode_disable(local_info_t *local) +{ + struct net_device *dev = local->ddev; + + if (dev == NULL) + return -1; + + printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name); + dev->type = ARPHRD_ETHER; + + if (local->func->cmd(dev, HFA384X_CMDCODE_TEST | + (HFA384X_TEST_STOP << 8), + 0, NULL, NULL)) + return -1; + return hostap_set_encryption(local); +} + + +static int prism2_ioctl_siwmode(struct net_device *dev, + struct iw_request_info *info, + __u32 *mode, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + int double_reset = 0; + + iface = netdev_priv(dev); + local = iface->local; + + if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA && + *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT && + *mode != IW_MODE_MONITOR) + return -EOPNOTSUPP; + +#ifdef PRISM2_NO_STATION_MODES + if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA) + return -EOPNOTSUPP; +#endif /* PRISM2_NO_STATION_MODES */ + + if (*mode == local->iw_mode) + return 0; + + if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') { + printk(KERN_WARNING "%s: empty SSID not allowed in Master " + "mode\n", dev->name); + return -EINVAL; + } + + if (local->iw_mode == IW_MODE_MONITOR) + hostap_monitor_mode_disable(local); + + if ((local->iw_mode == IW_MODE_ADHOC || + local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) { + /* There seems to be a firmware bug in at least STA f/w v1.5.6 + * that leaves beacon frames to use IBSS type when moving from + * IBSS to Host AP mode. Doing double Port0 reset seems to be + * enough to workaround this. */ + double_reset = 1; + } + + printk(KERN_DEBUG "prism2: %s: operating mode changed " + "%d -> %d\n", dev->name, local->iw_mode, *mode); + local->iw_mode = *mode; + + if (local->iw_mode == IW_MODE_MONITOR) + hostap_monitor_mode_enable(local); + else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt && + !local->fw_encrypt_ok) { + printk(KERN_DEBUG "%s: defaulting to host-based encryption as " + "a workaround for firmware bug in Host AP mode WEP\n", + dev->name); + local->host_encrypt = 1; + } + + if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, + hostap_get_porttype(local))) + return -EOPNOTSUPP; + + if (local->func->reset_port(dev)) + return -EINVAL; + if (double_reset && local->func->reset_port(dev)) + return -EINVAL; + + if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC) + { + /* netif_carrier is used only in client modes for now, so make + * sure carrier is on when moving to non-client modes. */ + netif_carrier_on(local->dev); + netif_carrier_on(local->ddev); + } + return 0; +} + + +static int prism2_ioctl_giwmode(struct net_device *dev, + struct iw_request_info *info, + __u32 *mode, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + switch (iface->type) { + case HOSTAP_INTERFACE_STA: + *mode = IW_MODE_INFRA; + break; + case HOSTAP_INTERFACE_WDS: + *mode = IW_MODE_REPEAT; + break; + default: + *mode = local->iw_mode; + break; + } + return 0; +} + + +static int prism2_ioctl_siwpower(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *wrq, char *extra) +{ +#ifdef PRISM2_NO_STATION_MODES + return -EOPNOTSUPP; +#else /* PRISM2_NO_STATION_MODES */ + int ret = 0; + + if (wrq->disabled) + return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0); + + switch (wrq->flags & IW_POWER_MODE) { + case IW_POWER_UNICAST_R: + ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0); + if (ret) + return ret; + ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); + if (ret) + return ret; + break; + case IW_POWER_ALL_R: + ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1); + if (ret) + return ret; + ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); + if (ret) + return ret; + break; + case IW_POWER_ON: + break; + default: + return -EINVAL; + } + + if (wrq->flags & IW_POWER_TIMEOUT) { + ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); + if (ret) + return ret; + ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION, + wrq->value / 1024); + if (ret) + return ret; + } + if (wrq->flags & IW_POWER_PERIOD) { + ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1); + if (ret) + return ret; + ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION, + wrq->value / 1024); + if (ret) + return ret; + } + + return ret; +#endif /* PRISM2_NO_STATION_MODES */ +} + + +static int prism2_ioctl_giwpower(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ +#ifdef PRISM2_NO_STATION_MODES + return -EOPNOTSUPP; +#else /* PRISM2_NO_STATION_MODES */ + struct hostap_interface *iface; + local_info_t *local; + __le16 enable, mcast; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1) + < 0) + return -EINVAL; + + if (!le16_to_cpu(enable)) { + rrq->disabled = 1; + return 0; + } + + rrq->disabled = 0; + + if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { + __le16 timeout; + if (local->func->get_rid(dev, + HFA384X_RID_CNFPMHOLDOVERDURATION, + &timeout, 2, 1) < 0) + return -EINVAL; + + rrq->flags = IW_POWER_TIMEOUT; + rrq->value = le16_to_cpu(timeout) * 1024; + } else { + __le16 period; + if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION, + &period, 2, 1) < 0) + return -EINVAL; + + rrq->flags = IW_POWER_PERIOD; + rrq->value = le16_to_cpu(period) * 1024; + } + + if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast, + 2, 1) < 0) + return -EINVAL; + + if (le16_to_cpu(mcast)) + rrq->flags |= IW_POWER_ALL_R; + else + rrq->flags |= IW_POWER_UNICAST_R; + + return 0; +#endif /* PRISM2_NO_STATION_MODES */ +} + + +static int prism2_ioctl_siwretry(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (rrq->disabled) + return -EINVAL; + + /* setting retry limits is not supported with the current station + * firmware code; simulate this with alternative retry count for now */ + if (rrq->flags == IW_RETRY_LIMIT) { + if (rrq->value < 0) { + /* disable manual retry count setting and use firmware + * defaults */ + local->manual_retry_count = -1; + local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY; + } else { + if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT, + rrq->value)) { + printk(KERN_DEBUG "%s: Alternate retry count " + "setting to %d failed\n", + dev->name, rrq->value); + return -EOPNOTSUPP; + } + + local->manual_retry_count = rrq->value; + local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY; + } + return 0; + } + + return -EOPNOTSUPP; + +#if 0 + /* what could be done, if firmware would support this.. */ + + if (rrq->flags & IW_RETRY_LIMIT) { + if (rrq->flags & IW_RETRY_LONG) + HFA384X_RID_LONGRETRYLIMIT = rrq->value; + else if (rrq->flags & IW_RETRY_SHORT) + HFA384X_RID_SHORTRETRYLIMIT = rrq->value; + else { + HFA384X_RID_LONGRETRYLIMIT = rrq->value; + HFA384X_RID_SHORTRETRYLIMIT = rrq->value; + } + + } + + if (rrq->flags & IW_RETRY_LIFETIME) { + HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024; + } + + return 0; +#endif /* 0 */ +} + +static int prism2_ioctl_giwretry(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + __le16 shortretry, longretry, lifetime, altretry; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry, + 2, 1) < 0 || + local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry, + 2, 1) < 0 || + local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME, + &lifetime, 2, 1) < 0) + return -EINVAL; + + rrq->disabled = 0; + + if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { + rrq->flags = IW_RETRY_LIFETIME; + rrq->value = le16_to_cpu(lifetime) * 1024; + } else { + if (local->manual_retry_count >= 0) { + rrq->flags = IW_RETRY_LIMIT; + if (local->func->get_rid(dev, + HFA384X_RID_CNFALTRETRYCOUNT, + &altretry, 2, 1) >= 0) + rrq->value = le16_to_cpu(altretry); + else + rrq->value = local->manual_retry_count; + } else if ((rrq->flags & IW_RETRY_LONG)) { + rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; + rrq->value = le16_to_cpu(longretry); + } else { + rrq->flags = IW_RETRY_LIMIT; + rrq->value = le16_to_cpu(shortretry); + if (shortretry != longretry) + rrq->flags |= IW_RETRY_SHORT; + } + } + return 0; +} + + +/* Note! This TX power controlling is experimental and should not be used in + * production use. It just sets raw power register and does not use any kind of + * feedback information from the measured TX power (CR58). This is now + * commented out to make sure that it is not used by accident. TX power + * configuration will be enabled again after proper algorithm using feedback + * has been implemented. */ + +#ifdef RAW_TXPOWER_SETTING +/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping.. + * This version assumes following mapping: + * CR31 is 7-bit value with -64 to +63 range. + * -64 is mapped into +20dBm and +63 into -43dBm. + * This is certainly not an exact mapping for every card, but at least + * increasing dBm value should correspond to increasing TX power. + */ + +static int prism2_txpower_hfa386x_to_dBm(u16 val) +{ + signed char tmp; + + if (val > 255) + val = 255; + + tmp = val; + tmp >>= 2; + + return -12 - tmp; +} + +static u16 prism2_txpower_dBm_to_hfa386x(int val) +{ + signed char tmp; + + if (val > 20) + return 128; + else if (val < -43) + return 127; + + tmp = val; + tmp = -12 - tmp; + tmp <<= 2; + + return (unsigned char) tmp; +} +#endif /* RAW_TXPOWER_SETTING */ + + +static int prism2_ioctl_siwtxpow(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; +#ifdef RAW_TXPOWER_SETTING + char *tmp; +#endif + u16 val; + int ret = 0; + + iface = netdev_priv(dev); + local = iface->local; + + if (rrq->disabled) { + if (local->txpower_type != PRISM2_TXPOWER_OFF) { + val = 0xff; /* use all standby and sleep modes */ + ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, + HFA386X_CR_A_D_TEST_MODES2, + &val, NULL); + printk(KERN_DEBUG "%s: Turning radio off: %s\n", + dev->name, ret ? "failed" : "OK"); + local->txpower_type = PRISM2_TXPOWER_OFF; + } + return (ret ? -EOPNOTSUPP : 0); + } + + if (local->txpower_type == PRISM2_TXPOWER_OFF) { + val = 0; /* disable all standby and sleep modes */ + ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, + HFA386X_CR_A_D_TEST_MODES2, &val, NULL); + printk(KERN_DEBUG "%s: Turning radio on: %s\n", + dev->name, ret ? "failed" : "OK"); + local->txpower_type = PRISM2_TXPOWER_UNKNOWN; + } + +#ifdef RAW_TXPOWER_SETTING + if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) { + printk(KERN_DEBUG "Setting ALC on\n"); + val = HFA384X_TEST_CFG_BIT_ALC; + local->func->cmd(dev, HFA384X_CMDCODE_TEST | + (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL); + local->txpower_type = PRISM2_TXPOWER_AUTO; + return 0; + } + + if (local->txpower_type != PRISM2_TXPOWER_FIXED) { + printk(KERN_DEBUG "Setting ALC off\n"); + val = HFA384X_TEST_CFG_BIT_ALC; + local->func->cmd(dev, HFA384X_CMDCODE_TEST | + (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL); + local->txpower_type = PRISM2_TXPOWER_FIXED; + } + + if (rrq->flags == IW_TXPOW_DBM) + tmp = "dBm"; + else if (rrq->flags == IW_TXPOW_MWATT) + tmp = "mW"; + else + tmp = "UNKNOWN"; + printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp); + + if (rrq->flags != IW_TXPOW_DBM) { + printk("SIOCSIWTXPOW with mW is not supported; use dBm\n"); + return -EOPNOTSUPP; + } + + local->txpower = rrq->value; + val = prism2_txpower_dBm_to_hfa386x(local->txpower); + if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, + HFA386X_CR_MANUAL_TX_POWER, &val, NULL)) + ret = -EOPNOTSUPP; +#else /* RAW_TXPOWER_SETTING */ + if (rrq->fixed) + ret = -EOPNOTSUPP; +#endif /* RAW_TXPOWER_SETTING */ + + return ret; +} + +static int prism2_ioctl_giwtxpow(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ +#ifdef RAW_TXPOWER_SETTING + struct hostap_interface *iface; + local_info_t *local; + u16 resp0; + + iface = netdev_priv(dev); + local = iface->local; + + rrq->flags = IW_TXPOW_DBM; + rrq->disabled = 0; + rrq->fixed = 0; + + if (local->txpower_type == PRISM2_TXPOWER_AUTO) { + if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, + HFA386X_CR_MANUAL_TX_POWER, + NULL, &resp0) == 0) { + rrq->value = prism2_txpower_hfa386x_to_dBm(resp0); + } else { + /* Could not get real txpower; guess 15 dBm */ + rrq->value = 15; + } + } else if (local->txpower_type == PRISM2_TXPOWER_OFF) { + rrq->value = 0; + rrq->disabled = 1; + } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) { + rrq->value = local->txpower; + rrq->fixed = 1; + } else { + printk("SIOCGIWTXPOW - unknown txpower_type=%d\n", + local->txpower_type); + } + return 0; +#else /* RAW_TXPOWER_SETTING */ + return -EOPNOTSUPP; +#endif /* RAW_TXPOWER_SETTING */ +} + + +#ifndef PRISM2_NO_STATION_MODES + +/* HostScan request works with and without host_roaming mode. In addition, it + * does not break current association. However, it requires newer station + * firmware version (>= 1.3.1) than scan request. */ +static int prism2_request_hostscan(struct net_device *dev, + u8 *ssid, u8 ssid_len) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hfa384x_hostscan_request scan_req; + + iface = netdev_priv(dev); + local = iface->local; + + memset(&scan_req, 0, sizeof(scan_req)); + scan_req.channel_list = cpu_to_le16(local->channel_mask & + local->scan_channel_mask); + scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS); + if (ssid) { + if (ssid_len > 32) + return -EINVAL; + scan_req.target_ssid_len = cpu_to_le16(ssid_len); + memcpy(scan_req.target_ssid, ssid, ssid_len); + } + + if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req, + sizeof(scan_req))) { + printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name); + return -EINVAL; + } + return 0; +} + + +static int prism2_request_scan(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hfa384x_scan_request scan_req; + int ret = 0; + + iface = netdev_priv(dev); + local = iface->local; + + memset(&scan_req, 0, sizeof(scan_req)); + scan_req.channel_list = cpu_to_le16(local->channel_mask & + local->scan_channel_mask); + scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS); + + /* FIX: + * It seems to be enough to set roaming mode for a short moment to + * host-based and then setup scanrequest data and return the mode to + * firmware-based. + * + * Master mode would need to drop to Managed mode for a short while + * to make scanning work.. Or sweep through the different channels and + * use passive scan based on beacons. */ + + if (!local->host_roaming) + hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE, + HFA384X_ROAMING_HOST); + + if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req, + sizeof(scan_req))) { + printk(KERN_DEBUG "SCANREQUEST failed\n"); + ret = -EINVAL; + } + + if (!local->host_roaming) + hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE, + HFA384X_ROAMING_FIRMWARE); + + return ret; +} + +#else /* !PRISM2_NO_STATION_MODES */ + +static inline int prism2_request_hostscan(struct net_device *dev, + u8 *ssid, u8 ssid_len) +{ + return -EOPNOTSUPP; +} + + +static inline int prism2_request_scan(struct net_device *dev) +{ + return -EOPNOTSUPP; +} + +#endif /* !PRISM2_NO_STATION_MODES */ + + +static int prism2_ioctl_siwscan(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + int ret; + u8 *ssid = NULL, ssid_len = 0; + struct iw_scan_req *req = (struct iw_scan_req *) extra; + + iface = netdev_priv(dev); + local = iface->local; + + if (data->length < sizeof(struct iw_scan_req)) + req = NULL; + + if (local->iw_mode == IW_MODE_MASTER) { + /* In master mode, we just return the results of our local + * tables, so we don't need to start anything... + * Jean II */ + data->length = 0; + return 0; + } + + if (!local->dev_enabled) + return -ENETDOWN; + + if (req && data->flags & IW_SCAN_THIS_ESSID) { + ssid = req->essid; + ssid_len = req->essid_len; + + if (ssid_len && + ((local->iw_mode != IW_MODE_INFRA && + local->iw_mode != IW_MODE_ADHOC) || + (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))) + return -EOPNOTSUPP; + } + + if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) + ret = prism2_request_hostscan(dev, ssid, ssid_len); + else + ret = prism2_request_scan(dev); + + if (ret == 0) + local->scan_timestamp = jiffies; + + /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */ + + return ret; +} + + +#ifndef PRISM2_NO_STATION_MODES +static char * __prism2_translate_scan(local_info_t *local, + struct iw_request_info *info, + struct hfa384x_hostscan_result *scan, + struct hostap_bss_info *bss, + char *current_ev, char *end_buf) +{ + int i, chan; + struct iw_event iwe; + char *current_val; + u16 capabilities; + u8 *pos; + u8 *ssid, *bssid; + size_t ssid_len; + char *buf; + + if (bss) { + ssid = bss->ssid; + ssid_len = bss->ssid_len; + bssid = bss->bssid; + } else { + ssid = scan->ssid; + ssid_len = le16_to_cpu(scan->ssid_len); + bssid = scan->bssid; + } + if (ssid_len > 32) + ssid_len = 32; + + /* First entry *MUST* be the AP MAC address */ + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWAP; + iwe.u.ap_addr.sa_family = ARPHRD_ETHER; + memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN); + current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, + IW_EV_ADDR_LEN); + + /* Other entries will be displayed in the order we give them */ + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWESSID; + iwe.u.data.length = ssid_len; + iwe.u.data.flags = 1; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, ssid); + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWMODE; + if (bss) { + capabilities = bss->capab_info; + } else { + capabilities = le16_to_cpu(scan->capability); + } + if (capabilities & (WLAN_CAPABILITY_ESS | + WLAN_CAPABILITY_IBSS)) { + if (capabilities & WLAN_CAPABILITY_ESS) + iwe.u.mode = IW_MODE_MASTER; + else + iwe.u.mode = IW_MODE_ADHOC; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_UINT_LEN); + } + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWFREQ; + if (scan) { + chan = le16_to_cpu(scan->chid); + } else if (bss) { + chan = bss->chan; + } else { + chan = 0; + } + + if (chan > 0) { + iwe.u.freq.m = freq_list[chan - 1] * 100000; + iwe.u.freq.e = 1; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_FREQ_LEN); + } + + if (scan) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVQUAL; + if (local->last_scan_type == PRISM2_HOSTSCAN) { + iwe.u.qual.level = le16_to_cpu(scan->sl); + iwe.u.qual.noise = le16_to_cpu(scan->anl); + } else { + iwe.u.qual.level = + HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl)); + iwe.u.qual.noise = + HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl)); + } + iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED + | IW_QUAL_NOISE_UPDATED + | IW_QUAL_QUAL_INVALID + | IW_QUAL_DBM; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, + &iwe, IW_EV_QUAL_LEN); + } + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWENCODE; + if (capabilities & WLAN_CAPABILITY_PRIVACY) + iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; + else + iwe.u.data.flags = IW_ENCODE_DISABLED; + iwe.u.data.length = 0; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, ""); + + /* TODO: add SuppRates into BSS table */ + if (scan) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = SIOCGIWRATE; + current_val = current_ev + iwe_stream_lcp_len(info); + pos = scan->sup_rates; + for (i = 0; i < sizeof(scan->sup_rates); i++) { + if (pos[i] == 0) + break; + /* Bit rate given in 500 kb/s units (+ 0x80) */ + iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000); + current_val = iwe_stream_add_value( + info, current_ev, current_val, end_buf, &iwe, + IW_EV_PARAM_LEN); + } + /* Check if we added any event */ + if ((current_val - current_ev) > iwe_stream_lcp_len(info)) + current_ev = current_val; + } + + /* TODO: add BeaconInt,resp_rate,atim into BSS table */ + buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC); + if (buf && scan) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVCUSTOM; + sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval)); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, buf); + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVCUSTOM; + sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate)); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, buf); + + if (local->last_scan_type == PRISM2_HOSTSCAN && + (capabilities & WLAN_CAPABILITY_IBSS)) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVCUSTOM; + sprintf(buf, "atim=%d", le16_to_cpu(scan->atim)); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(info, current_ev, + end_buf, &iwe, buf); + } + } + kfree(buf); + + if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVGENIE; + iwe.u.data.length = bss->wpa_ie_len; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, bss->wpa_ie); + } + + if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVGENIE; + iwe.u.data.length = bss->rsn_ie_len; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, + &iwe, bss->rsn_ie); + } + + return current_ev; +} + + +/* Translate scan data returned from the card to a card independent + * format that the Wireless Tools will understand - Jean II */ +static inline int prism2_translate_scan(local_info_t *local, + struct iw_request_info *info, + char *buffer, int buflen) +{ + struct hfa384x_hostscan_result *scan; + int entry, hostscan; + char *current_ev = buffer; + char *end_buf = buffer + buflen; + struct list_head *ptr; + + spin_lock_bh(&local->lock); + + list_for_each(ptr, &local->bss_list) { + struct hostap_bss_info *bss; + bss = list_entry(ptr, struct hostap_bss_info, list); + bss->included = 0; + } + + hostscan = local->last_scan_type == PRISM2_HOSTSCAN; + for (entry = 0; entry < local->last_scan_results_count; entry++) { + int found = 0; + scan = &local->last_scan_results[entry]; + + /* Report every SSID if the AP is using multiple SSIDs. If no + * BSS record is found (e.g., when WPA mode is disabled), + * report the AP once. */ + list_for_each(ptr, &local->bss_list) { + struct hostap_bss_info *bss; + bss = list_entry(ptr, struct hostap_bss_info, list); + if (ether_addr_equal(bss->bssid, scan->bssid)) { + bss->included = 1; + current_ev = __prism2_translate_scan( + local, info, scan, bss, current_ev, + end_buf); + found++; + } + } + if (!found) { + current_ev = __prism2_translate_scan( + local, info, scan, NULL, current_ev, end_buf); + } + /* Check if there is space for one more entry */ + if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) { + /* Ask user space to try again with a bigger buffer */ + spin_unlock_bh(&local->lock); + return -E2BIG; + } + } + + /* Prism2 firmware has limits (32 at least in some versions) for number + * of BSSes in scan results. Extend this limit by using local BSS list. + */ + list_for_each(ptr, &local->bss_list) { + struct hostap_bss_info *bss; + bss = list_entry(ptr, struct hostap_bss_info, list); + if (bss->included) + continue; + current_ev = __prism2_translate_scan(local, info, NULL, bss, + current_ev, end_buf); + /* Check if there is space for one more entry */ + if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) { + /* Ask user space to try again with a bigger buffer */ + spin_unlock_bh(&local->lock); + return -E2BIG; + } + } + + spin_unlock_bh(&local->lock); + + return current_ev - buffer; +} +#endif /* PRISM2_NO_STATION_MODES */ + + +static inline int prism2_ioctl_giwscan_sta(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ +#ifdef PRISM2_NO_STATION_MODES + return -EOPNOTSUPP; +#else /* PRISM2_NO_STATION_MODES */ + struct hostap_interface *iface; + local_info_t *local; + int res; + + iface = netdev_priv(dev); + local = iface->local; + + /* Wait until the scan is finished. We can probably do better + * than that - Jean II */ + if (local->scan_timestamp && + time_before(jiffies, local->scan_timestamp + 3 * HZ)) { + /* Important note : we don't want to block the caller + * until results are ready for various reasons. + * First, managing wait queues is complex and racy + * (there may be multiple simultaneous callers). + * Second, we grab some rtnetlink lock before coming + * here (in dev_ioctl()). + * Third, the caller can wait on the Wireless Event + * - Jean II */ + return -EAGAIN; + } + local->scan_timestamp = 0; + + res = prism2_translate_scan(local, info, extra, data->length); + + if (res >= 0) { + data->length = res; + return 0; + } else { + data->length = 0; + return res; + } +#endif /* PRISM2_NO_STATION_MODES */ +} + + +static int prism2_ioctl_giwscan(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + int res; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->iw_mode == IW_MODE_MASTER) { + /* In MASTER mode, it doesn't make sense to go around + * scanning the frequencies and make the stations we serve + * wait when what the user is really interested about is the + * list of stations and access points we are talking to. + * So, just extract results from our cache... + * Jean II */ + + /* Translate to WE format */ + res = prism2_ap_translate_scan(dev, info, extra); + if (res >= 0) { + printk(KERN_DEBUG "Scan result translation succeeded " + "(length=%d)\n", res); + data->length = res; + return 0; + } else { + printk(KERN_DEBUG + "Scan result translation failed (res=%d)\n", + res); + data->length = 0; + return res; + } + } else { + /* Station mode */ + return prism2_ioctl_giwscan_sta(dev, info, data, extra); + } +} + + +static const struct iw_priv_args prism2_priv[] = { + { PRISM2_IOCTL_MONITOR, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" }, + { PRISM2_IOCTL_READMIF, + IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, + IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" }, + { PRISM2_IOCTL_WRITEMIF, + IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" }, + { PRISM2_IOCTL_RESET, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" }, + { PRISM2_IOCTL_INQUIRE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" }, + { PRISM2_IOCTL_SET_RID_WORD, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" }, + { PRISM2_IOCTL_MACCMD, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" }, + { PRISM2_IOCTL_WDS_ADD, + IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" }, + { PRISM2_IOCTL_WDS_DEL, + IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" }, + { PRISM2_IOCTL_ADDMAC, + IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" }, + { PRISM2_IOCTL_DELMAC, + IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" }, + { PRISM2_IOCTL_KICKMAC, + IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" }, + /* --- raw access to sub-ioctls --- */ + { PRISM2_IOCTL_PRISM2_PARAM, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" }, + { PRISM2_IOCTL_GET_PRISM2_PARAM, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" }, + /* --- sub-ioctls handlers --- */ + { PRISM2_IOCTL_PRISM2_PARAM, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" }, + { PRISM2_IOCTL_GET_PRISM2_PARAM, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" }, + /* --- sub-ioctls definitions --- */ + { PRISM2_PARAM_TXRATECTRL, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" }, + { PRISM2_PARAM_TXRATECTRL, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" }, + { PRISM2_PARAM_BEACON_INT, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" }, + { PRISM2_PARAM_BEACON_INT, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" }, +#ifndef PRISM2_NO_STATION_MODES + { PRISM2_PARAM_PSEUDO_IBSS, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" }, + { PRISM2_PARAM_PSEUDO_IBSS, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" }, +#endif /* PRISM2_NO_STATION_MODES */ + { PRISM2_PARAM_ALC, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" }, + { PRISM2_PARAM_ALC, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" }, + { PRISM2_PARAM_DUMP, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" }, + { PRISM2_PARAM_DUMP, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" }, + { PRISM2_PARAM_OTHER_AP_POLICY, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" }, + { PRISM2_PARAM_OTHER_AP_POLICY, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" }, + { PRISM2_PARAM_AP_MAX_INACTIVITY, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" }, + { PRISM2_PARAM_AP_MAX_INACTIVITY, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" }, + { PRISM2_PARAM_AP_BRIDGE_PACKETS, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" }, + { PRISM2_PARAM_AP_BRIDGE_PACKETS, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" }, + { PRISM2_PARAM_DTIM_PERIOD, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" }, + { PRISM2_PARAM_DTIM_PERIOD, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" }, + { PRISM2_PARAM_AP_NULLFUNC_ACK, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" }, + { PRISM2_PARAM_AP_NULLFUNC_ACK, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" }, + { PRISM2_PARAM_MAX_WDS, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" }, + { PRISM2_PARAM_MAX_WDS, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" }, + { PRISM2_PARAM_AP_AUTOM_AP_WDS, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" }, + { PRISM2_PARAM_AP_AUTOM_AP_WDS, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" }, + { PRISM2_PARAM_AP_AUTH_ALGS, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" }, + { PRISM2_PARAM_AP_AUTH_ALGS, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" }, + { PRISM2_PARAM_MONITOR_ALLOW_FCSERR, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" }, + { PRISM2_PARAM_MONITOR_ALLOW_FCSERR, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" }, + { PRISM2_PARAM_HOST_ENCRYPT, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" }, + { PRISM2_PARAM_HOST_ENCRYPT, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" }, + { PRISM2_PARAM_HOST_DECRYPT, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" }, + { PRISM2_PARAM_HOST_DECRYPT, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" }, +#ifndef PRISM2_NO_STATION_MODES + { PRISM2_PARAM_HOST_ROAMING, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" }, + { PRISM2_PARAM_HOST_ROAMING, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" }, +#endif /* PRISM2_NO_STATION_MODES */ + { PRISM2_PARAM_BCRX_STA_KEY, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" }, + { PRISM2_PARAM_BCRX_STA_KEY, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" }, + { PRISM2_PARAM_IEEE_802_1X, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" }, + { PRISM2_PARAM_IEEE_802_1X, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" }, + { PRISM2_PARAM_ANTSEL_TX, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" }, + { PRISM2_PARAM_ANTSEL_TX, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" }, + { PRISM2_PARAM_ANTSEL_RX, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" }, + { PRISM2_PARAM_ANTSEL_RX, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" }, + { PRISM2_PARAM_MONITOR_TYPE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" }, + { PRISM2_PARAM_MONITOR_TYPE, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" }, + { PRISM2_PARAM_WDS_TYPE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" }, + { PRISM2_PARAM_WDS_TYPE, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" }, + { PRISM2_PARAM_HOSTSCAN, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" }, + { PRISM2_PARAM_HOSTSCAN, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" }, + { PRISM2_PARAM_AP_SCAN, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" }, + { PRISM2_PARAM_AP_SCAN, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" }, + { PRISM2_PARAM_ENH_SEC, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" }, + { PRISM2_PARAM_ENH_SEC, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" }, +#ifdef PRISM2_IO_DEBUG + { PRISM2_PARAM_IO_DEBUG, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" }, + { PRISM2_PARAM_IO_DEBUG, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" }, +#endif /* PRISM2_IO_DEBUG */ + { PRISM2_PARAM_BASIC_RATES, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" }, + { PRISM2_PARAM_BASIC_RATES, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" }, + { PRISM2_PARAM_OPER_RATES, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" }, + { PRISM2_PARAM_OPER_RATES, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" }, + { PRISM2_PARAM_HOSTAPD, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" }, + { PRISM2_PARAM_HOSTAPD, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" }, + { PRISM2_PARAM_HOSTAPD_STA, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" }, + { PRISM2_PARAM_HOSTAPD_STA, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" }, + { PRISM2_PARAM_WPA, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" }, + { PRISM2_PARAM_WPA, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" }, + { PRISM2_PARAM_PRIVACY_INVOKED, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" }, + { PRISM2_PARAM_PRIVACY_INVOKED, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" }, + { PRISM2_PARAM_TKIP_COUNTERMEASURES, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" }, + { PRISM2_PARAM_TKIP_COUNTERMEASURES, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" }, + { PRISM2_PARAM_DROP_UNENCRYPTED, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" }, + { PRISM2_PARAM_DROP_UNENCRYPTED, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" }, + { PRISM2_PARAM_SCAN_CHANNEL_MASK, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" }, + { PRISM2_PARAM_SCAN_CHANNEL_MASK, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" }, +}; + + +static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL)) + return -EOPNOTSUPP; + + return 0; +} + + +static int prism2_ioctl_priv_prism2_param(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + int *i = (int *) extra; + int param = *i; + int value = *(i + 1); + int ret = 0; + u16 val; + + iface = netdev_priv(dev); + local = iface->local; + + switch (param) { + case PRISM2_PARAM_TXRATECTRL: + local->fw_tx_rate_control = value; + break; + + case PRISM2_PARAM_BEACON_INT: + if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) || + local->func->reset_port(dev)) + ret = -EINVAL; + else + local->beacon_int = value; + break; + +#ifndef PRISM2_NO_STATION_MODES + case PRISM2_PARAM_PSEUDO_IBSS: + if (value == local->pseudo_adhoc) + break; + + if (value != 0 && value != 1) { + ret = -EINVAL; + break; + } + + printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n", + dev->name, local->pseudo_adhoc, value); + local->pseudo_adhoc = value; + if (local->iw_mode != IW_MODE_ADHOC) + break; + + if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, + hostap_get_porttype(local))) { + ret = -EOPNOTSUPP; + break; + } + + if (local->func->reset_port(dev)) + ret = -EINVAL; + break; +#endif /* PRISM2_NO_STATION_MODES */ + + case PRISM2_PARAM_ALC: + printk(KERN_DEBUG "%s: %s ALC\n", dev->name, + value == 0 ? "Disabling" : "Enabling"); + val = HFA384X_TEST_CFG_BIT_ALC; + local->func->cmd(dev, HFA384X_CMDCODE_TEST | + (HFA384X_TEST_CFG_BITS << 8), + value == 0 ? 0 : 1, &val, NULL); + break; + + case PRISM2_PARAM_DUMP: + local->frame_dump = value; + break; + + case PRISM2_PARAM_OTHER_AP_POLICY: + if (value < 0 || value > 3) { + ret = -EINVAL; + break; + } + if (local->ap != NULL) + local->ap->ap_policy = value; + break; + + case PRISM2_PARAM_AP_MAX_INACTIVITY: + if (value < 0 || value > 7 * 24 * 60 * 60) { + ret = -EINVAL; + break; + } + if (local->ap != NULL) + local->ap->max_inactivity = value * HZ; + break; + + case PRISM2_PARAM_AP_BRIDGE_PACKETS: + if (local->ap != NULL) + local->ap->bridge_packets = value; + break; + + case PRISM2_PARAM_DTIM_PERIOD: + if (value < 0 || value > 65535) { + ret = -EINVAL; + break; + } + if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value) + || local->func->reset_port(dev)) + ret = -EINVAL; + else + local->dtim_period = value; + break; + + case PRISM2_PARAM_AP_NULLFUNC_ACK: + if (local->ap != NULL) + local->ap->nullfunc_ack = value; + break; + + case PRISM2_PARAM_MAX_WDS: + local->wds_max_connections = value; + break; + + case PRISM2_PARAM_AP_AUTOM_AP_WDS: + if (local->ap != NULL) { + if (!local->ap->autom_ap_wds && value) { + /* add WDS link to all APs in STA table */ + hostap_add_wds_links(local); + } + local->ap->autom_ap_wds = value; + } + break; + + case PRISM2_PARAM_AP_AUTH_ALGS: + local->auth_algs = value; + if (hostap_set_auth_algs(local)) + ret = -EINVAL; + break; + + case PRISM2_PARAM_MONITOR_ALLOW_FCSERR: + local->monitor_allow_fcserr = value; + break; + + case PRISM2_PARAM_HOST_ENCRYPT: + local->host_encrypt = value; + if (hostap_set_encryption(local) || + local->func->reset_port(dev)) + ret = -EINVAL; + break; + + case PRISM2_PARAM_HOST_DECRYPT: + local->host_decrypt = value; + if (hostap_set_encryption(local) || + local->func->reset_port(dev)) + ret = -EINVAL; + break; + +#ifndef PRISM2_NO_STATION_MODES + case PRISM2_PARAM_HOST_ROAMING: + if (value < 0 || value > 2) { + ret = -EINVAL; + break; + } + local->host_roaming = value; + if (hostap_set_roaming(local) || local->func->reset_port(dev)) + ret = -EINVAL; + break; +#endif /* PRISM2_NO_STATION_MODES */ + + case PRISM2_PARAM_BCRX_STA_KEY: + local->bcrx_sta_key = value; + break; + + case PRISM2_PARAM_IEEE_802_1X: + local->ieee_802_1x = value; + break; + + case PRISM2_PARAM_ANTSEL_TX: + if (value < 0 || value > HOSTAP_ANTSEL_HIGH) { + ret = -EINVAL; + break; + } + local->antsel_tx = value; + hostap_set_antsel(local); + break; + + case PRISM2_PARAM_ANTSEL_RX: + if (value < 0 || value > HOSTAP_ANTSEL_HIGH) { + ret = -EINVAL; + break; + } + local->antsel_rx = value; + hostap_set_antsel(local); + break; + + case PRISM2_PARAM_MONITOR_TYPE: + if (value != PRISM2_MONITOR_80211 && + value != PRISM2_MONITOR_CAPHDR && + value != PRISM2_MONITOR_PRISM && + value != PRISM2_MONITOR_RADIOTAP) { + ret = -EINVAL; + break; + } + local->monitor_type = value; + if (local->iw_mode == IW_MODE_MONITOR) + hostap_monitor_set_type(local); + break; + + case PRISM2_PARAM_WDS_TYPE: + local->wds_type = value; + break; + + case PRISM2_PARAM_HOSTSCAN: + { + struct hfa384x_hostscan_request scan_req; + u16 rate; + + memset(&scan_req, 0, sizeof(scan_req)); + scan_req.channel_list = cpu_to_le16(0x3fff); + switch (value) { + case 1: rate = HFA384X_RATES_1MBPS; break; + case 2: rate = HFA384X_RATES_2MBPS; break; + case 3: rate = HFA384X_RATES_5MBPS; break; + case 4: rate = HFA384X_RATES_11MBPS; break; + default: rate = HFA384X_RATES_1MBPS; break; + } + scan_req.txrate = cpu_to_le16(rate); + /* leave SSID empty to accept all SSIDs */ + + if (local->iw_mode == IW_MODE_MASTER) { + if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, + HFA384X_PORTTYPE_BSS) || + local->func->reset_port(dev)) + printk(KERN_DEBUG "Leaving Host AP mode " + "for HostScan failed\n"); + } + + if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req, + sizeof(scan_req))) { + printk(KERN_DEBUG "HOSTSCAN failed\n"); + ret = -EINVAL; + } + if (local->iw_mode == IW_MODE_MASTER) { + wait_queue_t __wait; + init_waitqueue_entry(&__wait, current); + add_wait_queue(&local->hostscan_wq, &__wait); + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + if (signal_pending(current)) + ret = -EINTR; + set_current_state(TASK_RUNNING); + remove_wait_queue(&local->hostscan_wq, &__wait); + + if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, + HFA384X_PORTTYPE_HOSTAP) || + local->func->reset_port(dev)) + printk(KERN_DEBUG "Returning to Host AP mode " + "after HostScan failed\n"); + } + break; + } + + case PRISM2_PARAM_AP_SCAN: + local->passive_scan_interval = value; + if (timer_pending(&local->passive_scan_timer)) + del_timer(&local->passive_scan_timer); + if (value > 0 && value < INT_MAX / HZ) { + local->passive_scan_timer.expires = jiffies + + local->passive_scan_interval * HZ; + add_timer(&local->passive_scan_timer); + } + break; + + case PRISM2_PARAM_ENH_SEC: + if (value < 0 || value > 3) { + ret = -EINVAL; + break; + } + local->enh_sec = value; + if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY, + local->enh_sec) || + local->func->reset_port(dev)) { + printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w " + "1.6.3 or newer\n", dev->name); + ret = -EOPNOTSUPP; + } + break; + +#ifdef PRISM2_IO_DEBUG + case PRISM2_PARAM_IO_DEBUG: + local->io_debug_enabled = value; + break; +#endif /* PRISM2_IO_DEBUG */ + + case PRISM2_PARAM_BASIC_RATES: + if ((value & local->tx_rate_control) != value || value == 0) { + printk(KERN_INFO "%s: invalid basic rate set - basic " + "rates must be in supported rate set\n", + dev->name); + ret = -EINVAL; + break; + } + local->basic_rates = value; + if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES, + local->basic_rates) || + local->func->reset_port(dev)) + ret = -EINVAL; + break; + + case PRISM2_PARAM_OPER_RATES: + local->tx_rate_control = value; + if (hostap_set_rate(dev)) + ret = -EINVAL; + break; + + case PRISM2_PARAM_HOSTAPD: + ret = hostap_set_hostapd(local, value, 1); + break; + + case PRISM2_PARAM_HOSTAPD_STA: + ret = hostap_set_hostapd_sta(local, value, 1); + break; + + case PRISM2_PARAM_WPA: + local->wpa = value; + if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) + ret = -EOPNOTSUPP; + else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, + value ? 1 : 0)) + ret = -EINVAL; + break; + + case PRISM2_PARAM_PRIVACY_INVOKED: + local->privacy_invoked = value; + if (hostap_set_encryption(local) || + local->func->reset_port(dev)) + ret = -EINVAL; + break; + + case PRISM2_PARAM_TKIP_COUNTERMEASURES: + local->tkip_countermeasures = value; + break; + + case PRISM2_PARAM_DROP_UNENCRYPTED: + local->drop_unencrypted = value; + break; + + case PRISM2_PARAM_SCAN_CHANNEL_MASK: + local->scan_channel_mask = value; + break; + + default: + printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n", + dev->name, param); + ret = -EOPNOTSUPP; + break; + } + + return ret; +} + + +static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + int *param = (int *) extra; + int ret = 0; + + iface = netdev_priv(dev); + local = iface->local; + + switch (*param) { + case PRISM2_PARAM_TXRATECTRL: + *param = local->fw_tx_rate_control; + break; + + case PRISM2_PARAM_BEACON_INT: + *param = local->beacon_int; + break; + + case PRISM2_PARAM_PSEUDO_IBSS: + *param = local->pseudo_adhoc; + break; + + case PRISM2_PARAM_ALC: + ret = -EOPNOTSUPP; /* FIX */ + break; + + case PRISM2_PARAM_DUMP: + *param = local->frame_dump; + break; + + case PRISM2_PARAM_OTHER_AP_POLICY: + if (local->ap != NULL) + *param = local->ap->ap_policy; + else + ret = -EOPNOTSUPP; + break; + + case PRISM2_PARAM_AP_MAX_INACTIVITY: + if (local->ap != NULL) + *param = local->ap->max_inactivity / HZ; + else + ret = -EOPNOTSUPP; + break; + + case PRISM2_PARAM_AP_BRIDGE_PACKETS: + if (local->ap != NULL) + *param = local->ap->bridge_packets; + else + ret = -EOPNOTSUPP; + break; + + case PRISM2_PARAM_DTIM_PERIOD: + *param = local->dtim_period; + break; + + case PRISM2_PARAM_AP_NULLFUNC_ACK: + if (local->ap != NULL) + *param = local->ap->nullfunc_ack; + else + ret = -EOPNOTSUPP; + break; + + case PRISM2_PARAM_MAX_WDS: + *param = local->wds_max_connections; + break; + + case PRISM2_PARAM_AP_AUTOM_AP_WDS: + if (local->ap != NULL) + *param = local->ap->autom_ap_wds; + else + ret = -EOPNOTSUPP; + break; + + case PRISM2_PARAM_AP_AUTH_ALGS: + *param = local->auth_algs; + break; + + case PRISM2_PARAM_MONITOR_ALLOW_FCSERR: + *param = local->monitor_allow_fcserr; + break; + + case PRISM2_PARAM_HOST_ENCRYPT: + *param = local->host_encrypt; + break; + + case PRISM2_PARAM_HOST_DECRYPT: + *param = local->host_decrypt; + break; + + case PRISM2_PARAM_HOST_ROAMING: + *param = local->host_roaming; + break; + + case PRISM2_PARAM_BCRX_STA_KEY: + *param = local->bcrx_sta_key; + break; + + case PRISM2_PARAM_IEEE_802_1X: + *param = local->ieee_802_1x; + break; + + case PRISM2_PARAM_ANTSEL_TX: + *param = local->antsel_tx; + break; + + case PRISM2_PARAM_ANTSEL_RX: + *param = local->antsel_rx; + break; + + case PRISM2_PARAM_MONITOR_TYPE: + *param = local->monitor_type; + break; + + case PRISM2_PARAM_WDS_TYPE: + *param = local->wds_type; + break; + + case PRISM2_PARAM_HOSTSCAN: + ret = -EOPNOTSUPP; + break; + + case PRISM2_PARAM_AP_SCAN: + *param = local->passive_scan_interval; + break; + + case PRISM2_PARAM_ENH_SEC: + *param = local->enh_sec; + break; + +#ifdef PRISM2_IO_DEBUG + case PRISM2_PARAM_IO_DEBUG: + *param = local->io_debug_enabled; + break; +#endif /* PRISM2_IO_DEBUG */ + + case PRISM2_PARAM_BASIC_RATES: + *param = local->basic_rates; + break; + + case PRISM2_PARAM_OPER_RATES: + *param = local->tx_rate_control; + break; + + case PRISM2_PARAM_HOSTAPD: + *param = local->hostapd; + break; + + case PRISM2_PARAM_HOSTAPD_STA: + *param = local->hostapd_sta; + break; + + case PRISM2_PARAM_WPA: + if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) + ret = -EOPNOTSUPP; + *param = local->wpa; + break; + + case PRISM2_PARAM_PRIVACY_INVOKED: + *param = local->privacy_invoked; + break; + + case PRISM2_PARAM_TKIP_COUNTERMEASURES: + *param = local->tkip_countermeasures; + break; + + case PRISM2_PARAM_DROP_UNENCRYPTED: + *param = local->drop_unencrypted; + break; + + case PRISM2_PARAM_SCAN_CHANNEL_MASK: + *param = local->scan_channel_mask; + break; + + default: + printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n", + dev->name, *param); + ret = -EOPNOTSUPP; + break; + } + + return ret; +} + + +static int prism2_ioctl_priv_readmif(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + u16 resp0; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL, + &resp0)) + return -EOPNOTSUPP; + else + *extra = resp0; + + return 0; +} + + +static int prism2_ioctl_priv_writemif(struct net_device *dev, + struct iw_request_info *info, + void *wrqu, char *extra) +{ + struct hostap_interface *iface; + local_info_t *local; + u16 cr, val; + + iface = netdev_priv(dev); + local = iface->local; + + cr = *extra; + val = *(extra + 1); + if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL)) + return -EOPNOTSUPP; + + return 0; +} + + +static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i) +{ + struct hostap_interface *iface; + local_info_t *local; + int ret = 0; + u32 mode; + + iface = netdev_priv(dev); + local = iface->local; + + printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor " + "- update software to use iwconfig mode monitor\n", + dev->name, task_pid_nr(current), current->comm); + + /* Backward compatibility code - this can be removed at some point */ + + if (*i == 0) { + /* Disable monitor mode - old mode was not saved, so go to + * Master mode */ + mode = IW_MODE_MASTER; + ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL); + } else if (*i == 1) { + /* netlink socket mode is not supported anymore since it did + * not separate different devices from each other and was not + * best method for delivering large amount of packets to + * user space */ + ret = -EOPNOTSUPP; + } else if (*i == 2 || *i == 3) { + switch (*i) { + case 2: + local->monitor_type = PRISM2_MONITOR_80211; + break; + case 3: + local->monitor_type = PRISM2_MONITOR_PRISM; + break; + } + mode = IW_MODE_MONITOR; + ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL); + hostap_monitor_mode_enable(local); + } else + ret = -EINVAL; + + return ret; +} + + +static int prism2_ioctl_priv_reset(struct net_device *dev, int *i) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i); + switch (*i) { + case 0: + /* Disable and enable card */ + local->func->hw_shutdown(dev, 1); + local->func->hw_config(dev, 0); + break; + + case 1: + /* COR sreset */ + local->func->hw_reset(dev); + break; + + case 2: + /* Disable and enable port 0 */ + local->func->reset_port(dev); + break; + + case 3: + prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); + if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL, + NULL)) + return -EINVAL; + break; + + case 4: + if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL, + NULL)) + return -EINVAL; + break; + + default: + printk(KERN_DEBUG "Unknown reset request %d\n", *i); + return -EOPNOTSUPP; + } + + return 0; +} + + +static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i) +{ + int rid = *i; + int value = *(i + 1); + + printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value); + + if (hostap_set_word(dev, rid, value)) + return -EINVAL; + + return 0; +} + + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT +static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd) +{ + int ret = 0; + + switch (*cmd) { + case AP_MAC_CMD_POLICY_OPEN: + local->ap->mac_restrictions.policy = MAC_POLICY_OPEN; + break; + case AP_MAC_CMD_POLICY_ALLOW: + local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW; + break; + case AP_MAC_CMD_POLICY_DENY: + local->ap->mac_restrictions.policy = MAC_POLICY_DENY; + break; + case AP_MAC_CMD_FLUSH: + ap_control_flush_macs(&local->ap->mac_restrictions); + break; + case AP_MAC_CMD_KICKALL: + ap_control_kickall(local->ap); + hostap_deauth_all_stas(local->dev, local->ap, 0); + break; + default: + ret = -EOPNOTSUPP; + break; + } + + return ret; +} +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + +#ifdef PRISM2_DOWNLOAD_SUPPORT +static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p) +{ + struct prism2_download_param *param; + int ret = 0; + + if (p->length < sizeof(struct prism2_download_param) || + p->length > 1024 || !p->pointer) + return -EINVAL; + + param = kmalloc(p->length, GFP_KERNEL); + if (param == NULL) + return -ENOMEM; + + if (copy_from_user(param, p->pointer, p->length)) { + ret = -EFAULT; + goto out; + } + + if (p->length < sizeof(struct prism2_download_param) + + param->num_areas * sizeof(struct prism2_download_area)) { + ret = -EINVAL; + goto out; + } + + ret = local->func->download(local, param); + + out: + kfree(param); + return ret; +} +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + + +static int prism2_set_genericelement(struct net_device *dev, u8 *elem, + size_t len) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + u8 *buf; + + /* + * Add 16-bit length in the beginning of the buffer because Prism2 RID + * includes it. + */ + buf = kmalloc(len + 2, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + *((__le16 *) buf) = cpu_to_le16(len); + memcpy(buf + 2, elem, len); + + kfree(local->generic_elem); + local->generic_elem = buf; + local->generic_elem_len = len + 2; + + return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT, + buf, len + 2); +} + + +static int prism2_ioctl_siwauth(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *data, char *extra) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + + switch (data->flags & IW_AUTH_INDEX) { + case IW_AUTH_WPA_VERSION: + case IW_AUTH_CIPHER_PAIRWISE: + case IW_AUTH_CIPHER_GROUP: + case IW_AUTH_KEY_MGMT: + /* + * Host AP driver does not use these parameters and allows + * wpa_supplicant to control them internally. + */ + break; + case IW_AUTH_TKIP_COUNTERMEASURES: + local->tkip_countermeasures = data->value; + break; + case IW_AUTH_DROP_UNENCRYPTED: + local->drop_unencrypted = data->value; + break; + case IW_AUTH_80211_AUTH_ALG: + local->auth_algs = data->value; + break; + case IW_AUTH_WPA_ENABLED: + if (data->value == 0) { + local->wpa = 0; + if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) + break; + prism2_set_genericelement(dev, "", 0); + local->host_roaming = 0; + local->privacy_invoked = 0; + if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, + 0) || + hostap_set_roaming(local) || + hostap_set_encryption(local) || + local->func->reset_port(dev)) + return -EINVAL; + break; + } + if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0)) + return -EOPNOTSUPP; + local->host_roaming = 2; + local->privacy_invoked = 1; + local->wpa = 1; + if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) || + hostap_set_roaming(local) || + hostap_set_encryption(local) || + local->func->reset_port(dev)) + return -EINVAL; + break; + case IW_AUTH_RX_UNENCRYPTED_EAPOL: + local->ieee_802_1x = data->value; + break; + case IW_AUTH_PRIVACY_INVOKED: + local->privacy_invoked = data->value; + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + + +static int prism2_ioctl_giwauth(struct net_device *dev, + struct iw_request_info *info, + struct iw_param *data, char *extra) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + + switch (data->flags & IW_AUTH_INDEX) { + case IW_AUTH_WPA_VERSION: + case IW_AUTH_CIPHER_PAIRWISE: + case IW_AUTH_CIPHER_GROUP: + case IW_AUTH_KEY_MGMT: + /* + * Host AP driver does not use these parameters and allows + * wpa_supplicant to control them internally. + */ + return -EOPNOTSUPP; + case IW_AUTH_TKIP_COUNTERMEASURES: + data->value = local->tkip_countermeasures; + break; + case IW_AUTH_DROP_UNENCRYPTED: + data->value = local->drop_unencrypted; + break; + case IW_AUTH_80211_AUTH_ALG: + data->value = local->auth_algs; + break; + case IW_AUTH_WPA_ENABLED: + data->value = local->wpa; + break; + case IW_AUTH_RX_UNENCRYPTED_EAPOL: + data->value = local->ieee_802_1x; + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + + +static int prism2_ioctl_siwencodeext(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, char *extra) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; + int i, ret = 0; + struct lib80211_crypto_ops *ops; + struct lib80211_crypt_data **crypt; + void *sta_ptr; + u8 *addr; + const char *alg, *module; + + i = erq->flags & IW_ENCODE_INDEX; + if (i > WEP_KEYS) + return -EINVAL; + if (i < 1 || i > WEP_KEYS) + i = local->crypt_info.tx_keyidx; + else + i--; + if (i < 0 || i >= WEP_KEYS) + return -EINVAL; + + addr = ext->addr.sa_data; + if (is_broadcast_ether_addr(addr)) { + sta_ptr = NULL; + crypt = &local->crypt_info.crypt[i]; + } else { + if (i != 0) + return -EINVAL; + sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt); + if (sta_ptr == NULL) { + if (local->iw_mode == IW_MODE_INFRA) { + /* + * TODO: add STA entry for the current AP so + * that unicast key can be used. For now, this + * is emulated by using default key idx 0. + */ + i = 0; + crypt = &local->crypt_info.crypt[i]; + } else + return -EINVAL; + } + } + + if ((erq->flags & IW_ENCODE_DISABLED) || + ext->alg == IW_ENCODE_ALG_NONE) { + if (*crypt) + lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); + goto done; + } + + switch (ext->alg) { + case IW_ENCODE_ALG_WEP: + alg = "WEP"; + module = "lib80211_crypt_wep"; + break; + case IW_ENCODE_ALG_TKIP: + alg = "TKIP"; + module = "lib80211_crypt_tkip"; + break; + case IW_ENCODE_ALG_CCMP: + alg = "CCMP"; + module = "lib80211_crypt_ccmp"; + break; + default: + printk(KERN_DEBUG "%s: unsupported algorithm %d\n", + local->dev->name, ext->alg); + ret = -EOPNOTSUPP; + goto done; + } + + ops = lib80211_get_crypto_ops(alg); + if (ops == NULL) { + request_module(module); + ops = lib80211_get_crypto_ops(alg); + } + if (ops == NULL) { + printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n", + local->dev->name, alg); + ret = -EOPNOTSUPP; + goto done; + } + + if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) { + /* + * Per station encryption and other than WEP algorithms + * require host-based encryption, so force them on + * automatically. + */ + local->host_decrypt = local->host_encrypt = 1; + } + + if (*crypt == NULL || (*crypt)->ops != ops) { + struct lib80211_crypt_data *new_crypt; + + lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); + + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), + GFP_KERNEL); + if (new_crypt == NULL) { + ret = -ENOMEM; + goto done; + } + new_crypt->ops = ops; + if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + new_crypt->priv = new_crypt->ops->init(i); + if (new_crypt->priv == NULL) { + kfree(new_crypt); + ret = -EINVAL; + goto done; + } + + *crypt = new_crypt; + } + + /* + * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the + * existing seq# should not be changed. + * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq# + * should be changed to something else than zero. + */ + if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0) + && (*crypt)->ops->set_key && + (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, + (*crypt)->priv) < 0) { + printk(KERN_DEBUG "%s: key setting failed\n", + local->dev->name); + ret = -EINVAL; + goto done; + } + + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { + if (!sta_ptr) + local->crypt_info.tx_keyidx = i; + } + + + if (sta_ptr == NULL && ext->key_len > 0) { + int first = 1, j; + for (j = 0; j < WEP_KEYS; j++) { + if (j != i && local->crypt_info.crypt[j]) { + first = 0; + break; + } + } + if (first) + local->crypt_info.tx_keyidx = i; + } + + done: + if (sta_ptr) + hostap_handle_sta_release(sta_ptr); + + local->open_wep = erq->flags & IW_ENCODE_OPEN; + + /* + * Do not reset port0 if card is in Managed mode since resetting will + * generate new IEEE 802.11 authentication which may end up in looping + * with IEEE 802.1X. Prism2 documentation seem to require port reset + * after WEP configuration. However, keys are apparently changed at + * least in Managed mode. + */ + if (ret == 0 && + (hostap_set_encryption(local) || + (local->iw_mode != IW_MODE_INFRA && + local->func->reset_port(local->dev)))) + ret = -EINVAL; + + return ret; +} + + +static int prism2_ioctl_giwencodeext(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *erq, char *extra) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + struct lib80211_crypt_data **crypt; + void *sta_ptr; + int max_key_len, i; + struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; + u8 *addr; + + max_key_len = erq->length - sizeof(*ext); + if (max_key_len < 0) + return -EINVAL; + + i = erq->flags & IW_ENCODE_INDEX; + if (i < 1 || i > WEP_KEYS) + i = local->crypt_info.tx_keyidx; + else + i--; + + addr = ext->addr.sa_data; + if (is_broadcast_ether_addr(addr)) { + sta_ptr = NULL; + crypt = &local->crypt_info.crypt[i]; + } else { + i = 0; + sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt); + if (sta_ptr == NULL) + return -EINVAL; + } + erq->flags = i + 1; + memset(ext, 0, sizeof(*ext)); + + if (*crypt == NULL || (*crypt)->ops == NULL) { + ext->alg = IW_ENCODE_ALG_NONE; + ext->key_len = 0; + erq->flags |= IW_ENCODE_DISABLED; + } else { + if (strcmp((*crypt)->ops->name, "WEP") == 0) + ext->alg = IW_ENCODE_ALG_WEP; + else if (strcmp((*crypt)->ops->name, "TKIP") == 0) + ext->alg = IW_ENCODE_ALG_TKIP; + else if (strcmp((*crypt)->ops->name, "CCMP") == 0) + ext->alg = IW_ENCODE_ALG_CCMP; + else + return -EINVAL; + + if ((*crypt)->ops->get_key) { + ext->key_len = + (*crypt)->ops->get_key(ext->key, + max_key_len, + ext->tx_seq, + (*crypt)->priv); + if (ext->key_len && + (ext->alg == IW_ENCODE_ALG_TKIP || + ext->alg == IW_ENCODE_ALG_CCMP)) + ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; + } + } + + if (sta_ptr) + hostap_handle_sta_release(sta_ptr); + + return 0; +} + + +static int prism2_ioctl_set_encryption(local_info_t *local, + struct prism2_hostapd_param *param, + int param_len) +{ + int ret = 0; + struct lib80211_crypto_ops *ops; + struct lib80211_crypt_data **crypt; + void *sta_ptr; + + param->u.crypt.err = 0; + param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0'; + + if (param_len != + (int) ((char *) param->u.crypt.key - (char *) param) + + param->u.crypt.key_len) + return -EINVAL; + + if (is_broadcast_ether_addr(param->sta_addr)) { + if (param->u.crypt.idx >= WEP_KEYS) + return -EINVAL; + sta_ptr = NULL; + crypt = &local->crypt_info.crypt[param->u.crypt.idx]; + } else { + if (param->u.crypt.idx) + return -EINVAL; + sta_ptr = ap_crypt_get_ptrs( + local->ap, param->sta_addr, + (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT), + &crypt); + + if (sta_ptr == NULL) { + param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR; + return -EINVAL; + } + } + + if (strcmp(param->u.crypt.alg, "none") == 0) { + if (crypt) + lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); + goto done; + } + + ops = lib80211_get_crypto_ops(param->u.crypt.alg); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { + request_module("lib80211_crypt_wep"); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { + request_module("lib80211_crypt_tkip"); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { + request_module("lib80211_crypt_ccmp"); + ops = lib80211_get_crypto_ops(param->u.crypt.alg); + } + if (ops == NULL) { + printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n", + local->dev->name, param->u.crypt.alg); + param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG; + ret = -EINVAL; + goto done; + } + + /* station based encryption and other than WEP algorithms require + * host-based encryption, so force them on automatically */ + local->host_decrypt = local->host_encrypt = 1; + + if (*crypt == NULL || (*crypt)->ops != ops) { + struct lib80211_crypt_data *new_crypt; + + lib80211_crypt_delayed_deinit(&local->crypt_info, crypt); + + new_crypt = kzalloc(sizeof(struct lib80211_crypt_data), + GFP_KERNEL); + if (new_crypt == NULL) { + ret = -ENOMEM; + goto done; + } + new_crypt->ops = ops; + new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); + if (new_crypt->priv == NULL) { + kfree(new_crypt); + param->u.crypt.err = + HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED; + ret = -EINVAL; + goto done; + } + + *crypt = new_crypt; + } + + if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) || + param->u.crypt.key_len > 0) && (*crypt)->ops->set_key && + (*crypt)->ops->set_key(param->u.crypt.key, + param->u.crypt.key_len, param->u.crypt.seq, + (*crypt)->priv) < 0) { + printk(KERN_DEBUG "%s: key setting failed\n", + local->dev->name); + param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED; + ret = -EINVAL; + goto done; + } + + if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) { + if (!sta_ptr) + local->crypt_info.tx_keyidx = param->u.crypt.idx; + else if (param->u.crypt.idx) { + printk(KERN_DEBUG "%s: TX key idx setting failed\n", + local->dev->name); + param->u.crypt.err = + HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED; + ret = -EINVAL; + goto done; + } + } + + done: + if (sta_ptr) + hostap_handle_sta_release(sta_ptr); + + /* Do not reset port0 if card is in Managed mode since resetting will + * generate new IEEE 802.11 authentication which may end up in looping + * with IEEE 802.1X. Prism2 documentation seem to require port reset + * after WEP configuration. However, keys are apparently changed at + * least in Managed mode. */ + if (ret == 0 && + (hostap_set_encryption(local) || + (local->iw_mode != IW_MODE_INFRA && + local->func->reset_port(local->dev)))) { + param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED; + return -EINVAL; + } + + return ret; +} + + +static int prism2_ioctl_get_encryption(local_info_t *local, + struct prism2_hostapd_param *param, + int param_len) +{ + struct lib80211_crypt_data **crypt; + void *sta_ptr; + int max_key_len; + + param->u.crypt.err = 0; + + max_key_len = param_len - + (int) ((char *) param->u.crypt.key - (char *) param); + if (max_key_len < 0) + return -EINVAL; + + if (is_broadcast_ether_addr(param->sta_addr)) { + sta_ptr = NULL; + if (param->u.crypt.idx >= WEP_KEYS) + param->u.crypt.idx = local->crypt_info.tx_keyidx; + crypt = &local->crypt_info.crypt[param->u.crypt.idx]; + } else { + param->u.crypt.idx = 0; + sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0, + &crypt); + + if (sta_ptr == NULL) { + param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR; + return -EINVAL; + } + } + + if (*crypt == NULL || (*crypt)->ops == NULL) { + memcpy(param->u.crypt.alg, "none", 5); + param->u.crypt.key_len = 0; + param->u.crypt.idx = 0xff; + } else { + strncpy(param->u.crypt.alg, (*crypt)->ops->name, + HOSTAP_CRYPT_ALG_NAME_LEN); + param->u.crypt.key_len = 0; + + memset(param->u.crypt.seq, 0, 8); + if ((*crypt)->ops->get_key) { + param->u.crypt.key_len = + (*crypt)->ops->get_key(param->u.crypt.key, + max_key_len, + param->u.crypt.seq, + (*crypt)->priv); + } + } + + if (sta_ptr) + hostap_handle_sta_release(sta_ptr); + + return 0; +} + + +static int prism2_ioctl_get_rid(local_info_t *local, + struct prism2_hostapd_param *param, + int param_len) +{ + int max_len, res; + + max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN; + if (max_len < 0) + return -EINVAL; + + res = local->func->get_rid(local->dev, param->u.rid.rid, + param->u.rid.data, param->u.rid.len, 0); + if (res >= 0) { + param->u.rid.len = res; + return 0; + } + + return res; +} + + +static int prism2_ioctl_set_rid(local_info_t *local, + struct prism2_hostapd_param *param, + int param_len) +{ + int max_len; + + max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN; + if (max_len < 0 || max_len < param->u.rid.len) + return -EINVAL; + + return local->func->set_rid(local->dev, param->u.rid.rid, + param->u.rid.data, param->u.rid.len); +} + + +static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local, + struct prism2_hostapd_param *param, + int param_len) +{ + printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n", + local->dev->name, param->sta_addr); + memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN); + return 0; +} + + +static int prism2_ioctl_siwgenie(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + return prism2_set_genericelement(dev, extra, data->length); +} + + +static int prism2_ioctl_giwgenie(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + int len = local->generic_elem_len - 2; + + if (len <= 0 || local->generic_elem == NULL) { + data->length = 0; + return 0; + } + + if (data->length < len) + return -E2BIG; + + data->length = len; + memcpy(extra, local->generic_elem + 2, len); + + return 0; +} + + +static int prism2_ioctl_set_generic_element(local_info_t *local, + struct prism2_hostapd_param *param, + int param_len) +{ + int max_len, len; + + len = param->u.generic_elem.len; + max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN; + if (max_len < 0 || max_len < len) + return -EINVAL; + + return prism2_set_genericelement(local->dev, + param->u.generic_elem.data, len); +} + + +static int prism2_ioctl_siwmlme(struct net_device *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + struct iw_mlme *mlme = (struct iw_mlme *) extra; + __le16 reason; + + reason = cpu_to_le16(mlme->reason_code); + + switch (mlme->cmd) { + case IW_MLME_DEAUTH: + return prism2_sta_send_mgmt(local, mlme->addr.sa_data, + IEEE80211_STYPE_DEAUTH, + (u8 *) &reason, 2); + case IW_MLME_DISASSOC: + return prism2_sta_send_mgmt(local, mlme->addr.sa_data, + IEEE80211_STYPE_DISASSOC, + (u8 *) &reason, 2); + default: + return -EOPNOTSUPP; + } +} + + +static int prism2_ioctl_mlme(local_info_t *local, + struct prism2_hostapd_param *param) +{ + __le16 reason; + + reason = cpu_to_le16(param->u.mlme.reason_code); + switch (param->u.mlme.cmd) { + case MLME_STA_DEAUTH: + return prism2_sta_send_mgmt(local, param->sta_addr, + IEEE80211_STYPE_DEAUTH, + (u8 *) &reason, 2); + case MLME_STA_DISASSOC: + return prism2_sta_send_mgmt(local, param->sta_addr, + IEEE80211_STYPE_DISASSOC, + (u8 *) &reason, 2); + default: + return -EOPNOTSUPP; + } +} + + +static int prism2_ioctl_scan_req(local_info_t *local, + struct prism2_hostapd_param *param) +{ +#ifndef PRISM2_NO_STATION_MODES + if ((local->iw_mode != IW_MODE_INFRA && + local->iw_mode != IW_MODE_ADHOC) || + (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))) + return -EOPNOTSUPP; + + if (!local->dev_enabled) + return -ENETDOWN; + + return prism2_request_hostscan(local->dev, param->u.scan_req.ssid, + param->u.scan_req.ssid_len); +#else /* PRISM2_NO_STATION_MODES */ + return -EOPNOTSUPP; +#endif /* PRISM2_NO_STATION_MODES */ +} + + +static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p) +{ + struct prism2_hostapd_param *param; + int ret = 0; + int ap_ioctl = 0; + + if (p->length < sizeof(struct prism2_hostapd_param) || + p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) + return -EINVAL; + + param = kmalloc(p->length, GFP_KERNEL); + if (param == NULL) + return -ENOMEM; + + if (copy_from_user(param, p->pointer, p->length)) { + ret = -EFAULT; + goto out; + } + + switch (param->cmd) { + case PRISM2_SET_ENCRYPTION: + ret = prism2_ioctl_set_encryption(local, param, p->length); + break; + case PRISM2_GET_ENCRYPTION: + ret = prism2_ioctl_get_encryption(local, param, p->length); + break; + case PRISM2_HOSTAPD_GET_RID: + ret = prism2_ioctl_get_rid(local, param, p->length); + break; + case PRISM2_HOSTAPD_SET_RID: + ret = prism2_ioctl_set_rid(local, param, p->length); + break; + case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR: + ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length); + break; + case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT: + ret = prism2_ioctl_set_generic_element(local, param, + p->length); + break; + case PRISM2_HOSTAPD_MLME: + ret = prism2_ioctl_mlme(local, param); + break; + case PRISM2_HOSTAPD_SCAN_REQ: + ret = prism2_ioctl_scan_req(local, param); + break; + default: + ret = prism2_hostapd(local->ap, param); + ap_ioctl = 1; + break; + } + + if (ret == 1 || !ap_ioctl) { + if (copy_to_user(p->pointer, param, p->length)) { + ret = -EFAULT; + goto out; + } else if (ap_ioctl) + ret = 0; + } + + out: + kfree(param); + return ret; +} + + +static void prism2_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + + strlcpy(info->driver, "hostap", sizeof(info->driver)); + snprintf(info->fw_version, sizeof(info->fw_version), + "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff, + (local->sta_fw_ver >> 8) & 0xff, + local->sta_fw_ver & 0xff); +} + +const struct ethtool_ops prism2_ethtool_ops = { + .get_drvinfo = prism2_get_drvinfo +}; + + +/* Structures to export the Wireless Handlers */ + +static const iw_handler prism2_handler[] = +{ + (iw_handler) NULL, /* SIOCSIWCOMMIT */ + (iw_handler) prism2_get_name, /* SIOCGIWNAME */ + (iw_handler) NULL, /* SIOCSIWNWID */ + (iw_handler) NULL, /* SIOCGIWNWID */ + (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */ + (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */ + (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */ + (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */ + (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */ + (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */ + (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ + (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */ + (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */ + (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */ + (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */ + (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */ + iw_handler_set_spy, /* SIOCSIWSPY */ + iw_handler_get_spy, /* SIOCGIWSPY */ + iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ + iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ + (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */ + (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */ + (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */ + (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */ + (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */ + (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */ + (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */ + (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */ + (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */ + (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */ + (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */ + (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */ + (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */ + (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */ + (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */ + (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */ + (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */ + (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */ + (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */ + (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */ + (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */ + (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */ + (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */ + (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */ + (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */ + (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */ + (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ + (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */ + (iw_handler) NULL, /* SIOCSIWPMKSA */ + (iw_handler) NULL, /* -- hole -- */ +}; + +static const iw_handler prism2_private_handler[] = +{ /* SIOCIWFIRSTPRIV + */ + (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */ + (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */ + (iw_handler) prism2_ioctl_priv_writemif, /* 2 */ + (iw_handler) prism2_ioctl_priv_readmif, /* 3 */ +}; + +const struct iw_handler_def hostap_iw_handler_def = +{ + .num_standard = ARRAY_SIZE(prism2_handler), + .num_private = ARRAY_SIZE(prism2_private_handler), + .num_private_args = ARRAY_SIZE(prism2_priv), + .standard = (iw_handler *) prism2_handler, + .private = (iw_handler *) prism2_private_handler, + .private_args = (struct iw_priv_args *) prism2_priv, + .get_wireless_stats = hostap_get_wireless_stats, +}; + + +int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + struct iwreq *wrq = (struct iwreq *) ifr; + struct hostap_interface *iface; + local_info_t *local; + int ret = 0; + + iface = netdev_priv(dev); + local = iface->local; + + switch (cmd) { + /* Private ioctls (iwpriv) that have not yet been converted + * into new wireless extensions API */ + + case PRISM2_IOCTL_INQUIRE: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name); + break; + + case PRISM2_IOCTL_MONITOR: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name); + break; + + case PRISM2_IOCTL_RESET: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name); + break; + + case PRISM2_IOCTL_WDS_ADD: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1); + break; + + case PRISM2_IOCTL_WDS_DEL: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0); + break; + + case PRISM2_IOCTL_SET_RID_WORD: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_ioctl_priv_set_rid_word(dev, + (int *) wrq->u.name); + break; + +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + case PRISM2_IOCTL_MACCMD: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name); + break; + + case PRISM2_IOCTL_ADDMAC: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = ap_control_add_mac(&local->ap->mac_restrictions, + wrq->u.ap_addr.sa_data); + break; + case PRISM2_IOCTL_DELMAC: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = ap_control_del_mac(&local->ap->mac_restrictions, + wrq->u.ap_addr.sa_data); + break; + case PRISM2_IOCTL_KICKMAC: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = ap_control_kick_mac(local->ap, local->dev, + wrq->u.ap_addr.sa_data); + break; +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + + /* Private ioctls that are not used with iwpriv; + * in SIOCDEVPRIVATE range */ + +#ifdef PRISM2_DOWNLOAD_SUPPORT + case PRISM2_IOCTL_DOWNLOAD: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_ioctl_priv_download(local, &wrq->u.data); + break; +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + + case PRISM2_IOCTL_HOSTAPD: + if (!capable(CAP_NET_ADMIN)) ret = -EPERM; + else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data); + break; + + default: + ret = -EOPNOTSUPP; + break; + } + + return ret; +} diff --git a/drivers/net/wireless/intersil/hostap/hostap_main.c b/drivers/net/wireless/intersil/hostap/hostap_main.c new file mode 100644 index 000000000000..80d4228ba754 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_main.c @@ -0,0 +1,1140 @@ +/* + * Host AP (software wireless LAN access point) driver for + * Intersil Prism2/2.5/3 - hostap.o module, common routines + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * + * Copyright (c) 2002-2005, Jouni Malinen + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hostap_wlan.h" +#include "hostap_80211.h" +#include "hostap_ap.h" +#include "hostap.h" + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Host AP common routines"); +MODULE_LICENSE("GPL"); + +#define TX_TIMEOUT (2 * HZ) + +#define PRISM2_MAX_FRAME_SIZE 2304 +#define PRISM2_MIN_MTU 256 +/* FIX: */ +#define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */)) + + +struct net_device * hostap_add_interface(struct local_info *local, + int type, int rtnl_locked, + const char *prefix, + const char *name) +{ + struct net_device *dev, *mdev; + struct hostap_interface *iface; + int ret; + + dev = alloc_etherdev(sizeof(struct hostap_interface)); + if (dev == NULL) + return NULL; + + iface = netdev_priv(dev); + iface->dev = dev; + iface->local = local; + iface->type = type; + list_add(&iface->list, &local->hostap_interfaces); + + mdev = local->dev; + eth_hw_addr_inherit(dev, mdev); + dev->base_addr = mdev->base_addr; + dev->irq = mdev->irq; + dev->mem_start = mdev->mem_start; + dev->mem_end = mdev->mem_end; + + hostap_setup_dev(dev, local, type); + dev->destructor = free_netdev; + + sprintf(dev->name, "%s%s", prefix, name); + if (!rtnl_locked) + rtnl_lock(); + + SET_NETDEV_DEV(dev, mdev->dev.parent); + ret = register_netdevice(dev); + + if (!rtnl_locked) + rtnl_unlock(); + + if (ret < 0) { + printk(KERN_WARNING "%s: failed to add new netdevice!\n", + dev->name); + free_netdev(dev); + return NULL; + } + + printk(KERN_DEBUG "%s: registered netdevice %s\n", + mdev->name, dev->name); + + return dev; +} + + +void hostap_remove_interface(struct net_device *dev, int rtnl_locked, + int remove_from_list) +{ + struct hostap_interface *iface; + + if (!dev) + return; + + iface = netdev_priv(dev); + + if (remove_from_list) { + list_del(&iface->list); + } + + if (dev == iface->local->ddev) + iface->local->ddev = NULL; + else if (dev == iface->local->apdev) + iface->local->apdev = NULL; + else if (dev == iface->local->stadev) + iface->local->stadev = NULL; + + if (rtnl_locked) + unregister_netdevice(dev); + else + unregister_netdev(dev); + + /* dev->destructor = free_netdev() will free the device data, including + * private data, when removing the device */ +} + + +static inline int prism2_wds_special_addr(u8 *addr) +{ + if (addr[0] || addr[1] || addr[2] || addr[3] || addr[4] || addr[5]) + return 0; + + return 1; +} + + +int prism2_wds_add(local_info_t *local, u8 *remote_addr, + int rtnl_locked) +{ + struct net_device *dev; + struct list_head *ptr; + struct hostap_interface *iface, *empty, *match; + + empty = match = NULL; + read_lock_bh(&local->iface_lock); + list_for_each(ptr, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + if (iface->type != HOSTAP_INTERFACE_WDS) + continue; + + if (prism2_wds_special_addr(iface->u.wds.remote_addr)) + empty = iface; + else if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { + match = iface; + break; + } + } + if (!match && empty && !prism2_wds_special_addr(remote_addr)) { + /* take pre-allocated entry into use */ + memcpy(empty->u.wds.remote_addr, remote_addr, ETH_ALEN); + read_unlock_bh(&local->iface_lock); + printk(KERN_DEBUG "%s: using pre-allocated WDS netdevice %s\n", + local->dev->name, empty->dev->name); + return 0; + } + read_unlock_bh(&local->iface_lock); + + if (!prism2_wds_special_addr(remote_addr)) { + if (match) + return -EEXIST; + hostap_add_sta(local->ap, remote_addr); + } + + if (local->wds_connections >= local->wds_max_connections) + return -ENOBUFS; + + /* verify that there is room for wds# postfix in the interface name */ + if (strlen(local->dev->name) >= IFNAMSIZ - 5) { + printk(KERN_DEBUG "'%s' too long base device name\n", + local->dev->name); + return -EINVAL; + } + + dev = hostap_add_interface(local, HOSTAP_INTERFACE_WDS, rtnl_locked, + local->ddev->name, "wds%d"); + if (dev == NULL) + return -ENOMEM; + + iface = netdev_priv(dev); + memcpy(iface->u.wds.remote_addr, remote_addr, ETH_ALEN); + + local->wds_connections++; + + return 0; +} + + +int prism2_wds_del(local_info_t *local, u8 *remote_addr, + int rtnl_locked, int do_not_remove) +{ + unsigned long flags; + struct list_head *ptr; + struct hostap_interface *iface, *selected = NULL; + + write_lock_irqsave(&local->iface_lock, flags); + list_for_each(ptr, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + if (iface->type != HOSTAP_INTERFACE_WDS) + continue; + + if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { + selected = iface; + break; + } + } + if (selected && !do_not_remove) + list_del(&selected->list); + write_unlock_irqrestore(&local->iface_lock, flags); + + if (selected) { + if (do_not_remove) + eth_zero_addr(selected->u.wds.remote_addr); + else { + hostap_remove_interface(selected->dev, rtnl_locked, 0); + local->wds_connections--; + } + } + + return selected ? 0 : -ENODEV; +} + + +u16 hostap_tx_callback_register(local_info_t *local, + void (*func)(struct sk_buff *, int ok, void *), + void *data) +{ + unsigned long flags; + struct hostap_tx_callback_info *entry; + + entry = kmalloc(sizeof(*entry), GFP_KERNEL); + if (entry == NULL) + return 0; + + entry->func = func; + entry->data = data; + + spin_lock_irqsave(&local->lock, flags); + entry->idx = local->tx_callback ? local->tx_callback->idx + 1 : 1; + entry->next = local->tx_callback; + local->tx_callback = entry; + spin_unlock_irqrestore(&local->lock, flags); + + return entry->idx; +} + + +int hostap_tx_callback_unregister(local_info_t *local, u16 idx) +{ + unsigned long flags; + struct hostap_tx_callback_info *cb, *prev = NULL; + + spin_lock_irqsave(&local->lock, flags); + cb = local->tx_callback; + while (cb != NULL && cb->idx != idx) { + prev = cb; + cb = cb->next; + } + if (cb) { + if (prev == NULL) + local->tx_callback = cb->next; + else + prev->next = cb->next; + kfree(cb); + } + spin_unlock_irqrestore(&local->lock, flags); + + return cb ? 0 : -1; +} + + +/* val is in host byte order */ +int hostap_set_word(struct net_device *dev, int rid, u16 val) +{ + struct hostap_interface *iface; + __le16 tmp = cpu_to_le16(val); + iface = netdev_priv(dev); + return iface->local->func->set_rid(dev, rid, &tmp, 2); +} + + +int hostap_set_string(struct net_device *dev, int rid, const char *val) +{ + struct hostap_interface *iface; + char buf[MAX_SSID_LEN + 2]; + int len; + + iface = netdev_priv(dev); + len = strlen(val); + if (len > MAX_SSID_LEN) + return -1; + memset(buf, 0, sizeof(buf)); + buf[0] = len; /* little endian 16 bit word */ + memcpy(buf + 2, val, len); + + return iface->local->func->set_rid(dev, rid, &buf, MAX_SSID_LEN + 2); +} + + +u16 hostap_get_porttype(local_info_t *local) +{ + if (local->iw_mode == IW_MODE_ADHOC && local->pseudo_adhoc) + return HFA384X_PORTTYPE_PSEUDO_IBSS; + if (local->iw_mode == IW_MODE_ADHOC) + return HFA384X_PORTTYPE_IBSS; + if (local->iw_mode == IW_MODE_INFRA) + return HFA384X_PORTTYPE_BSS; + if (local->iw_mode == IW_MODE_REPEAT) + return HFA384X_PORTTYPE_WDS; + if (local->iw_mode == IW_MODE_MONITOR) + return HFA384X_PORTTYPE_PSEUDO_IBSS; + return HFA384X_PORTTYPE_HOSTAP; +} + + +int hostap_set_encryption(local_info_t *local) +{ + u16 val, old_val; + int i, keylen, len, idx; + char keybuf[WEP_KEY_LEN + 1]; + enum { NONE, WEP, OTHER } encrypt_type; + + idx = local->crypt_info.tx_keyidx; + if (local->crypt_info.crypt[idx] == NULL || + local->crypt_info.crypt[idx]->ops == NULL) + encrypt_type = NONE; + else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) + encrypt_type = WEP; + else + encrypt_type = OTHER; + + if (local->func->get_rid(local->dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, + 1) < 0) { + printk(KERN_DEBUG "Could not read current WEP flags.\n"); + goto fail; + } + le16_to_cpus(&val); + old_val = val; + + if (encrypt_type != NONE || local->privacy_invoked) + val |= HFA384X_WEPFLAGS_PRIVACYINVOKED; + else + val &= ~HFA384X_WEPFLAGS_PRIVACYINVOKED; + + if (local->open_wep || encrypt_type == NONE || + ((local->ieee_802_1x || local->wpa) && local->host_decrypt)) + val &= ~HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; + else + val |= HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; + + if ((encrypt_type != NONE || local->privacy_invoked) && + (encrypt_type == OTHER || local->host_encrypt)) + val |= HFA384X_WEPFLAGS_HOSTENCRYPT; + else + val &= ~HFA384X_WEPFLAGS_HOSTENCRYPT; + if ((encrypt_type != NONE || local->privacy_invoked) && + (encrypt_type == OTHER || local->host_decrypt)) + val |= HFA384X_WEPFLAGS_HOSTDECRYPT; + else + val &= ~HFA384X_WEPFLAGS_HOSTDECRYPT; + + if (val != old_val && + hostap_set_word(local->dev, HFA384X_RID_CNFWEPFLAGS, val)) { + printk(KERN_DEBUG "Could not write new WEP flags (0x%x)\n", + val); + goto fail; + } + + if (encrypt_type != WEP) + return 0; + + /* 104-bit support seems to require that all the keys are set to the + * same keylen */ + keylen = 6; /* first 5 octets */ + len = local->crypt_info.crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), NULL, + local->crypt_info.crypt[idx]->priv); + if (idx >= 0 && idx < WEP_KEYS && len > 5) + keylen = WEP_KEY_LEN + 1; /* first 13 octets */ + + for (i = 0; i < WEP_KEYS; i++) { + memset(keybuf, 0, sizeof(keybuf)); + if (local->crypt_info.crypt[i]) { + (void) local->crypt_info.crypt[i]->ops->get_key( + keybuf, sizeof(keybuf), + NULL, local->crypt_info.crypt[i]->priv); + } + if (local->func->set_rid(local->dev, + HFA384X_RID_CNFDEFAULTKEY0 + i, + keybuf, keylen)) { + printk(KERN_DEBUG "Could not set key %d (len=%d)\n", + i, keylen); + goto fail; + } + } + if (hostap_set_word(local->dev, HFA384X_RID_CNFWEPDEFAULTKEYID, idx)) { + printk(KERN_DEBUG "Could not set default keyid %d\n", idx); + goto fail; + } + + return 0; + + fail: + printk(KERN_DEBUG "%s: encryption setup failed\n", local->dev->name); + return -1; +} + + +int hostap_set_antsel(local_info_t *local) +{ + u16 val; + int ret = 0; + + if (local->antsel_tx != HOSTAP_ANTSEL_DO_NOT_TOUCH && + local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, + HFA386X_CR_TX_CONFIGURE, + NULL, &val) == 0) { + val &= ~(BIT(2) | BIT(1)); + switch (local->antsel_tx) { + case HOSTAP_ANTSEL_DIVERSITY: + val |= BIT(1); + break; + case HOSTAP_ANTSEL_LOW: + break; + case HOSTAP_ANTSEL_HIGH: + val |= BIT(2); + break; + } + + if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, + HFA386X_CR_TX_CONFIGURE, &val, NULL)) { + printk(KERN_INFO "%s: setting TX AntSel failed\n", + local->dev->name); + ret = -1; + } + } + + if (local->antsel_rx != HOSTAP_ANTSEL_DO_NOT_TOUCH && + local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, + HFA386X_CR_RX_CONFIGURE, + NULL, &val) == 0) { + val &= ~(BIT(1) | BIT(0)); + switch (local->antsel_rx) { + case HOSTAP_ANTSEL_DIVERSITY: + break; + case HOSTAP_ANTSEL_LOW: + val |= BIT(0); + break; + case HOSTAP_ANTSEL_HIGH: + val |= BIT(0) | BIT(1); + break; + } + + if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, + HFA386X_CR_RX_CONFIGURE, &val, NULL)) { + printk(KERN_INFO "%s: setting RX AntSel failed\n", + local->dev->name); + ret = -1; + } + } + + return ret; +} + + +int hostap_set_roaming(local_info_t *local) +{ + u16 val; + + switch (local->host_roaming) { + case 1: + val = HFA384X_ROAMING_HOST; + break; + case 2: + val = HFA384X_ROAMING_DISABLED; + break; + case 0: + default: + val = HFA384X_ROAMING_FIRMWARE; + break; + } + + return hostap_set_word(local->dev, HFA384X_RID_CNFROAMINGMODE, val); +} + + +int hostap_set_auth_algs(local_info_t *local) +{ + int val = local->auth_algs; + /* At least STA f/w v0.6.2 seems to have issues with cnfAuthentication + * set to include both Open and Shared Key flags. It tries to use + * Shared Key authentication in that case even if WEP keys are not + * configured.. STA f/w v0.7.6 is able to handle such configuration, + * but it is unknown when this was fixed between 0.6.2 .. 0.7.6. */ + if (local->sta_fw_ver < PRISM2_FW_VER(0,7,0) && + val != PRISM2_AUTH_OPEN && val != PRISM2_AUTH_SHARED_KEY) + val = PRISM2_AUTH_OPEN; + + if (hostap_set_word(local->dev, HFA384X_RID_CNFAUTHENTICATION, val)) { + printk(KERN_INFO "%s: cnfAuthentication setting to 0x%x " + "failed\n", local->dev->name, local->auth_algs); + return -EINVAL; + } + + return 0; +} + + +void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx) +{ + u16 status, fc; + + status = __le16_to_cpu(rx->status); + + printk(KERN_DEBUG "%s: RX status=0x%04x (port=%d, type=%d, " + "fcserr=%d) silence=%d signal=%d rate=%d rxflow=%d; " + "jiffies=%ld\n", + name, status, (status >> 8) & 0x07, status >> 13, status & 1, + rx->silence, rx->signal, rx->rate, rx->rxflow, jiffies); + + fc = __le16_to_cpu(rx->frame_control); + printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " + "data_len=%d%s%s\n", + fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, + (fc & IEEE80211_FCTL_STYPE) >> 4, + __le16_to_cpu(rx->duration_id), __le16_to_cpu(rx->seq_ctrl), + __le16_to_cpu(rx->data_len), + fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", + fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); + + printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", + rx->addr1, rx->addr2, rx->addr3, rx->addr4); + + printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", + rx->dst_addr, rx->src_addr, + __be16_to_cpu(rx->len)); +} + + +void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) +{ + u16 fc; + + printk(KERN_DEBUG "%s: TX status=0x%04x retry_count=%d tx_rate=%d " + "tx_control=0x%04x; jiffies=%ld\n", + name, __le16_to_cpu(tx->status), tx->retry_count, tx->tx_rate, + __le16_to_cpu(tx->tx_control), jiffies); + + fc = __le16_to_cpu(tx->frame_control); + printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " + "data_len=%d%s%s\n", + fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, + (fc & IEEE80211_FCTL_STYPE) >> 4, + __le16_to_cpu(tx->duration_id), __le16_to_cpu(tx->seq_ctrl), + __le16_to_cpu(tx->data_len), + fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", + fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); + + printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", + tx->addr1, tx->addr2, tx->addr3, tx->addr4); + + printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", + tx->dst_addr, tx->src_addr, + __be16_to_cpu(tx->len)); +} + + +static int hostap_80211_header_parse(const struct sk_buff *skb, + unsigned char *haddr) +{ + memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ + return ETH_ALEN; +} + + +int hostap_80211_get_hdrlen(__le16 fc) +{ + if (ieee80211_is_data(fc) && ieee80211_has_a4 (fc)) + return 30; /* Addr4 */ + else if (ieee80211_is_cts(fc) || ieee80211_is_ack(fc)) + return 10; + else if (ieee80211_is_ctl(fc)) + return 16; + + return 24; +} + + +static int prism2_close(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + + PDEBUG(DEBUG_FLOW, "%s: prism2_close\n", dev->name); + + iface = netdev_priv(dev); + local = iface->local; + + if (dev == local->ddev) { + prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); + } +#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT + if (!local->hostapd && dev == local->dev && + (!local->func->card_present || local->func->card_present(local)) && + local->hw_ready && local->ap && local->iw_mode == IW_MODE_MASTER) + hostap_deauth_all_stas(dev, local->ap, 1); +#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ + + if (dev == local->dev) { + local->func->hw_shutdown(dev, HOSTAP_HW_ENABLE_CMDCOMPL); + } + + if (netif_running(dev)) { + netif_stop_queue(dev); + netif_device_detach(dev); + } + + cancel_work_sync(&local->reset_queue); + cancel_work_sync(&local->set_multicast_list_queue); + cancel_work_sync(&local->set_tim_queue); +#ifndef PRISM2_NO_STATION_MODES + cancel_work_sync(&local->info_queue); +#endif + cancel_work_sync(&local->comms_qual_update); + + module_put(local->hw_module); + + local->num_dev_open--; + + if (dev != local->dev && local->dev->flags & IFF_UP && + local->master_dev_auto_open && local->num_dev_open == 1) { + /* Close master radio interface automatically if it was also + * opened automatically and we are now closing the last + * remaining non-master device. */ + dev_close(local->dev); + } + + return 0; +} + + +static int prism2_open(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + + PDEBUG(DEBUG_FLOW, "%s: prism2_open\n", dev->name); + + iface = netdev_priv(dev); + local = iface->local; + + if (local->no_pri) { + printk(KERN_DEBUG "%s: could not set interface UP - no PRI " + "f/w\n", dev->name); + return -ENODEV; + } + + if ((local->func->card_present && !local->func->card_present(local)) || + local->hw_downloading) + return -ENODEV; + + if (!try_module_get(local->hw_module)) + return -ENODEV; + local->num_dev_open++; + + if (!local->dev_enabled && local->func->hw_enable(dev, 1)) { + printk(KERN_WARNING "%s: could not enable MAC port\n", + dev->name); + prism2_close(dev); + return -ENODEV; + } + if (!local->dev_enabled) + prism2_callback(local, PRISM2_CALLBACK_ENABLE); + local->dev_enabled = 1; + + if (dev != local->dev && !(local->dev->flags & IFF_UP)) { + /* Master radio interface is needed for all operation, so open + * it automatically when any virtual net_device is opened. */ + local->master_dev_auto_open = 1; + dev_open(local->dev); + } + + netif_device_attach(dev); + netif_start_queue(dev); + + return 0; +} + + +static int prism2_set_mac_address(struct net_device *dev, void *p) +{ + struct hostap_interface *iface; + local_info_t *local; + struct list_head *ptr; + struct sockaddr *addr = p; + + iface = netdev_priv(dev); + local = iface->local; + + if (local->func->set_rid(dev, HFA384X_RID_CNFOWNMACADDR, addr->sa_data, + ETH_ALEN) < 0 || local->func->reset_port(dev)) + return -EINVAL; + + read_lock_bh(&local->iface_lock); + list_for_each(ptr, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + memcpy(iface->dev->dev_addr, addr->sa_data, ETH_ALEN); + } + memcpy(local->dev->dev_addr, addr->sa_data, ETH_ALEN); + read_unlock_bh(&local->iface_lock); + + return 0; +} + + +/* TODO: to be further implemented as soon as Prism2 fully supports + * GroupAddresses and correct documentation is available */ +void hostap_set_multicast_list_queue(struct work_struct *work) +{ + local_info_t *local = + container_of(work, local_info_t, set_multicast_list_queue); + struct net_device *dev = local->dev; + + if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, + local->is_promisc)) { + printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", + dev->name, local->is_promisc ? "en" : "dis"); + } +} + + +static void hostap_set_multicast_list(struct net_device *dev) +{ +#if 0 + /* FIX: promiscuous mode seems to be causing a lot of problems with + * some station firmware versions (FCSErr frames, invalid MACPort, etc. + * corrupted incoming frames). This code is now commented out while the + * problems are investigated. */ + struct hostap_interface *iface; + local_info_t *local; + + iface = netdev_priv(dev); + local = iface->local; + if ((dev->flags & IFF_ALLMULTI) || (dev->flags & IFF_PROMISC)) { + local->is_promisc = 1; + } else { + local->is_promisc = 0; + } + + schedule_work(&local->set_multicast_list_queue); +#endif +} + + +static int prism2_change_mtu(struct net_device *dev, int new_mtu) +{ + if (new_mtu < PRISM2_MIN_MTU || new_mtu > PRISM2_MAX_MTU) + return -EINVAL; + + dev->mtu = new_mtu; + return 0; +} + + +static void prism2_tx_timeout(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + struct hfa384x_regs regs; + + iface = netdev_priv(dev); + local = iface->local; + + printk(KERN_WARNING "%s Tx timed out! Resetting card\n", dev->name); + netif_stop_queue(local->dev); + + local->func->read_regs(dev, ®s); + printk(KERN_DEBUG "%s: CMD=%04x EVSTAT=%04x " + "OFFSET0=%04x OFFSET1=%04x SWSUPPORT0=%04x\n", + dev->name, regs.cmd, regs.evstat, regs.offset0, regs.offset1, + regs.swsupport0); + + local->func->schedule_reset(local); +} + +const struct header_ops hostap_80211_ops = { + .create = eth_header, + .cache = eth_header_cache, + .cache_update = eth_header_cache_update, + .parse = hostap_80211_header_parse, +}; +EXPORT_SYMBOL(hostap_80211_ops); + + +static const struct net_device_ops hostap_netdev_ops = { + .ndo_start_xmit = hostap_data_start_xmit, + + .ndo_open = prism2_open, + .ndo_stop = prism2_close, + .ndo_do_ioctl = hostap_ioctl, + .ndo_set_mac_address = prism2_set_mac_address, + .ndo_set_rx_mode = hostap_set_multicast_list, + .ndo_change_mtu = prism2_change_mtu, + .ndo_tx_timeout = prism2_tx_timeout, + .ndo_validate_addr = eth_validate_addr, +}; + +static const struct net_device_ops hostap_mgmt_netdev_ops = { + .ndo_start_xmit = hostap_mgmt_start_xmit, + + .ndo_open = prism2_open, + .ndo_stop = prism2_close, + .ndo_do_ioctl = hostap_ioctl, + .ndo_set_mac_address = prism2_set_mac_address, + .ndo_set_rx_mode = hostap_set_multicast_list, + .ndo_change_mtu = prism2_change_mtu, + .ndo_tx_timeout = prism2_tx_timeout, + .ndo_validate_addr = eth_validate_addr, +}; + +static const struct net_device_ops hostap_master_ops = { + .ndo_start_xmit = hostap_master_start_xmit, + + .ndo_open = prism2_open, + .ndo_stop = prism2_close, + .ndo_do_ioctl = hostap_ioctl, + .ndo_set_mac_address = prism2_set_mac_address, + .ndo_set_rx_mode = hostap_set_multicast_list, + .ndo_change_mtu = prism2_change_mtu, + .ndo_tx_timeout = prism2_tx_timeout, + .ndo_validate_addr = eth_validate_addr, +}; + +void hostap_setup_dev(struct net_device *dev, local_info_t *local, + int type) +{ + struct hostap_interface *iface; + + iface = netdev_priv(dev); + ether_setup(dev); + dev->priv_flags &= ~IFF_TX_SKB_SHARING; + + /* kernel callbacks */ + if (iface) { + /* Currently, we point to the proper spy_data only on + * the main_dev. This could be fixed. Jean II */ + iface->wireless_data.spy_data = &iface->spy_data; + dev->wireless_data = &iface->wireless_data; + } + dev->wireless_handlers = &hostap_iw_handler_def; + dev->watchdog_timeo = TX_TIMEOUT; + + switch(type) { + case HOSTAP_INTERFACE_AP: + dev->priv_flags |= IFF_NO_QUEUE; /* use main radio device queue */ + dev->netdev_ops = &hostap_mgmt_netdev_ops; + dev->type = ARPHRD_IEEE80211; + dev->header_ops = &hostap_80211_ops; + break; + case HOSTAP_INTERFACE_MASTER: + dev->netdev_ops = &hostap_master_ops; + break; + default: + dev->priv_flags |= IFF_NO_QUEUE; /* use main radio device queue */ + dev->netdev_ops = &hostap_netdev_ops; + } + + dev->mtu = local->mtu; + + + dev->ethtool_ops = &prism2_ethtool_ops; + +} + +static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) +{ + struct net_device *dev = local->dev; + + if (local->apdev) + return -EEXIST; + + printk(KERN_DEBUG "%s: enabling hostapd mode\n", dev->name); + + local->apdev = hostap_add_interface(local, HOSTAP_INTERFACE_AP, + rtnl_locked, local->ddev->name, + "ap"); + if (local->apdev == NULL) + return -ENOMEM; + + return 0; +} + + +static int hostap_disable_hostapd(local_info_t *local, int rtnl_locked) +{ + struct net_device *dev = local->dev; + + printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); + + hostap_remove_interface(local->apdev, rtnl_locked, 1); + local->apdev = NULL; + + return 0; +} + + +static int hostap_enable_hostapd_sta(local_info_t *local, int rtnl_locked) +{ + struct net_device *dev = local->dev; + + if (local->stadev) + return -EEXIST; + + printk(KERN_DEBUG "%s: enabling hostapd STA mode\n", dev->name); + + local->stadev = hostap_add_interface(local, HOSTAP_INTERFACE_STA, + rtnl_locked, local->ddev->name, + "sta"); + if (local->stadev == NULL) + return -ENOMEM; + + return 0; +} + + +static int hostap_disable_hostapd_sta(local_info_t *local, int rtnl_locked) +{ + struct net_device *dev = local->dev; + + printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); + + hostap_remove_interface(local->stadev, rtnl_locked, 1); + local->stadev = NULL; + + return 0; +} + + +int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked) +{ + int ret; + + if (val < 0 || val > 1) + return -EINVAL; + + if (local->hostapd == val) + return 0; + + if (val) { + ret = hostap_enable_hostapd(local, rtnl_locked); + if (ret == 0) + local->hostapd = 1; + } else { + local->hostapd = 0; + ret = hostap_disable_hostapd(local, rtnl_locked); + if (ret != 0) + local->hostapd = 1; + } + + return ret; +} + + +int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked) +{ + int ret; + + if (val < 0 || val > 1) + return -EINVAL; + + if (local->hostapd_sta == val) + return 0; + + if (val) { + ret = hostap_enable_hostapd_sta(local, rtnl_locked); + if (ret == 0) + local->hostapd_sta = 1; + } else { + local->hostapd_sta = 0; + ret = hostap_disable_hostapd_sta(local, rtnl_locked); + if (ret != 0) + local->hostapd_sta = 1; + } + + + return ret; +} + + +int prism2_update_comms_qual(struct net_device *dev) +{ + struct hostap_interface *iface; + local_info_t *local; + int ret = 0; + struct hfa384x_comms_quality sq; + + iface = netdev_priv(dev); + local = iface->local; + if (!local->sta_fw_ver) + ret = -1; + else if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { + if (local->func->get_rid(local->dev, + HFA384X_RID_DBMCOMMSQUALITY, + &sq, sizeof(sq), 1) >= 0) { + local->comms_qual = (s16) le16_to_cpu(sq.comm_qual); + local->avg_signal = (s16) le16_to_cpu(sq.signal_level); + local->avg_noise = (s16) le16_to_cpu(sq.noise_level); + local->last_comms_qual_update = jiffies; + } else + ret = -1; + } else { + if (local->func->get_rid(local->dev, HFA384X_RID_COMMSQUALITY, + &sq, sizeof(sq), 1) >= 0) { + local->comms_qual = le16_to_cpu(sq.comm_qual); + local->avg_signal = HFA384X_LEVEL_TO_dBm( + le16_to_cpu(sq.signal_level)); + local->avg_noise = HFA384X_LEVEL_TO_dBm( + le16_to_cpu(sq.noise_level)); + local->last_comms_qual_update = jiffies; + } else + ret = -1; + } + + return ret; +} + + +int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, + u8 *body, size_t bodylen) +{ + struct sk_buff *skb; + struct hostap_ieee80211_mgmt *mgmt; + struct hostap_skb_tx_data *meta; + struct net_device *dev = local->dev; + + skb = dev_alloc_skb(IEEE80211_MGMT_HDR_LEN + bodylen); + if (skb == NULL) + return -ENOMEM; + + mgmt = (struct hostap_ieee80211_mgmt *) + skb_put(skb, IEEE80211_MGMT_HDR_LEN); + memset(mgmt, 0, IEEE80211_MGMT_HDR_LEN); + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype); + memcpy(mgmt->da, dst, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + memcpy(mgmt->bssid, dst, ETH_ALEN); + if (body) + memcpy(skb_put(skb, bodylen), body, bodylen); + + meta = (struct hostap_skb_tx_data *) skb->cb; + memset(meta, 0, sizeof(*meta)); + meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; + meta->iface = netdev_priv(dev); + + skb->dev = dev; + skb_reset_mac_header(skb); + skb_reset_network_header(skb); + dev_queue_xmit(skb); + + return 0; +} + + +int prism2_sta_deauth(local_info_t *local, u16 reason) +{ + union iwreq_data wrqu; + int ret; + __le16 val = cpu_to_le16(reason); + + if (local->iw_mode != IW_MODE_INFRA || + is_zero_ether_addr(local->bssid) || + ether_addr_equal(local->bssid, "\x44\x44\x44\x44\x44\x44")) + return 0; + + ret = prism2_sta_send_mgmt(local, local->bssid, IEEE80211_STYPE_DEAUTH, + (u8 *) &val, 2); + eth_zero_addr(wrqu.ap_addr.sa_data); + wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); + return ret; +} + + +struct proc_dir_entry *hostap_proc; + +static int __init hostap_init(void) +{ + if (init_net.proc_net != NULL) { + hostap_proc = proc_mkdir("hostap", init_net.proc_net); + if (!hostap_proc) + printk(KERN_WARNING "Failed to mkdir " + "/proc/net/hostap\n"); + } else + hostap_proc = NULL; + + return 0; +} + + +static void __exit hostap_exit(void) +{ + if (hostap_proc != NULL) { + hostap_proc = NULL; + remove_proc_entry("hostap", init_net.proc_net); + } +} + + +EXPORT_SYMBOL(hostap_set_word); +EXPORT_SYMBOL(hostap_set_string); +EXPORT_SYMBOL(hostap_get_porttype); +EXPORT_SYMBOL(hostap_set_encryption); +EXPORT_SYMBOL(hostap_set_antsel); +EXPORT_SYMBOL(hostap_set_roaming); +EXPORT_SYMBOL(hostap_set_auth_algs); +EXPORT_SYMBOL(hostap_dump_rx_header); +EXPORT_SYMBOL(hostap_dump_tx_header); +EXPORT_SYMBOL(hostap_80211_get_hdrlen); +EXPORT_SYMBOL(hostap_setup_dev); +EXPORT_SYMBOL(hostap_set_multicast_list_queue); +EXPORT_SYMBOL(hostap_set_hostapd); +EXPORT_SYMBOL(hostap_set_hostapd_sta); +EXPORT_SYMBOL(hostap_add_interface); +EXPORT_SYMBOL(hostap_remove_interface); +EXPORT_SYMBOL(prism2_update_comms_qual); + +module_init(hostap_init); +module_exit(hostap_exit); diff --git a/drivers/net/wireless/intersil/hostap/hostap_pci.c b/drivers/net/wireless/intersil/hostap/hostap_pci.c new file mode 100644 index 000000000000..c864ef4b0015 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_pci.c @@ -0,0 +1,459 @@ +#define PRISM2_PCI + +/* Host AP driver's support for Intersil Prism2.5 PCI cards is based on + * driver patches from Reyk Floeter and + * Andy Warner */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "hostap_wlan.h" + + +static char *dev_info = "hostap_pci"; + + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Support for Intersil Prism2.5-based 802.11 wireless LAN " + "PCI cards."); +MODULE_SUPPORTED_DEVICE("Intersil Prism2.5-based WLAN PCI cards"); +MODULE_LICENSE("GPL"); + + +/* struct local_info::hw_priv */ +struct hostap_pci_priv { + void __iomem *mem_start; +}; + + +/* FIX: do we need mb/wmb/rmb with memory operations? */ + + +static const struct pci_device_id prism2_pci_id_table[] = { + /* Intersil Prism3 ISL3872 11Mb/s WLAN Controller */ + { 0x1260, 0x3872, PCI_ANY_ID, PCI_ANY_ID }, + /* Intersil Prism2.5 ISL3874 11Mb/s WLAN Controller */ + { 0x1260, 0x3873, PCI_ANY_ID, PCI_ANY_ID }, + /* Samsung MagicLAN SWL-2210P */ + { 0x167d, 0xa000, PCI_ANY_ID, PCI_ANY_ID }, + { 0 } +}; + + +#ifdef PRISM2_IO_DEBUG + +static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + hw_priv = local->hw_priv; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); + writeb(v, hw_priv->mem_start + a); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + local_info_t *local; + unsigned long flags; + u8 v; + + iface = netdev_priv(dev); + local = iface->local; + hw_priv = local->hw_priv; + + spin_lock_irqsave(&local->lock, flags); + v = readb(hw_priv->mem_start + a); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); + spin_unlock_irqrestore(&local->lock, flags); + return v; +} + +static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + hw_priv = local->hw_priv; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); + writew(v, hw_priv->mem_start + a); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + local_info_t *local; + unsigned long flags; + u16 v; + + iface = netdev_priv(dev); + local = iface->local; + hw_priv = local->hw_priv; + + spin_lock_irqsave(&local->lock, flags); + v = readw(hw_priv->mem_start + a); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); + spin_unlock_irqrestore(&local->lock, flags); + return v; +} + +#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) +#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) +#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) +#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) +#define HFA384X_OUTW_DATA(v,a) hfa384x_outw_debug(dev, (a), le16_to_cpu((v))) +#define HFA384X_INW_DATA(a) cpu_to_le16(hfa384x_inw_debug(dev, (a))) + +#else /* PRISM2_IO_DEBUG */ + +static inline void hfa384x_outb(struct net_device *dev, int a, u8 v) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + writeb(v, hw_priv->mem_start + a); +} + +static inline u8 hfa384x_inb(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + return readb(hw_priv->mem_start + a); +} + +static inline void hfa384x_outw(struct net_device *dev, int a, u16 v) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + writew(v, hw_priv->mem_start + a); +} + +static inline u16 hfa384x_inw(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + return readw(hw_priv->mem_start + a); +} + +#define HFA384X_OUTB(v,a) hfa384x_outb(dev, (a), (v)) +#define HFA384X_INB(a) hfa384x_inb(dev, (a)) +#define HFA384X_OUTW(v,a) hfa384x_outw(dev, (a), (v)) +#define HFA384X_INW(a) hfa384x_inw(dev, (a)) +#define HFA384X_OUTW_DATA(v,a) hfa384x_outw(dev, (a), le16_to_cpu((v))) +#define HFA384X_INW_DATA(a) cpu_to_le16(hfa384x_inw(dev, (a))) + +#endif /* PRISM2_IO_DEBUG */ + + +static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, + int len) +{ + u16 d_off; + __le16 *pos; + + d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; + pos = (__le16 *) buf; + + for ( ; len > 1; len -= 2) + *pos++ = HFA384X_INW_DATA(d_off); + + if (len & 1) + *((char *) pos) = HFA384X_INB(d_off); + + return 0; +} + + +static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) +{ + u16 d_off; + __le16 *pos; + + d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; + pos = (__le16 *) buf; + + for ( ; len > 1; len -= 2) + HFA384X_OUTW_DATA(*pos++, d_off); + + if (len & 1) + HFA384X_OUTB(*((char *) pos), d_off); + + return 0; +} + + +/* FIX: This might change at some point.. */ +#include "hostap_hw.c" + +static void prism2_pci_cor_sreset(local_info_t *local) +{ + struct net_device *dev = local->dev; + u16 reg; + + reg = HFA384X_INB(HFA384X_PCICOR_OFF); + printk(KERN_DEBUG "%s: Original COR value: 0x%0x\n", dev->name, reg); + + /* linux-wlan-ng uses extremely long hold and settle times for + * COR sreset. A comment in the driver code mentions that the long + * delays appear to be necessary. However, at least IBM 22P6901 seems + * to work fine with shorter delays. + * + * Longer delays can be configured by uncommenting following line: */ +/* #define PRISM2_PCI_USE_LONG_DELAYS */ + +#ifdef PRISM2_PCI_USE_LONG_DELAYS + int i; + + HFA384X_OUTW(reg | 0x0080, HFA384X_PCICOR_OFF); + mdelay(250); + + HFA384X_OUTW(reg & ~0x0080, HFA384X_PCICOR_OFF); + mdelay(500); + + /* Wait for f/w to complete initialization (CMD:BUSY == 0) */ + i = 2000000 / 10; + while ((HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY) && --i) + udelay(10); + +#else /* PRISM2_PCI_USE_LONG_DELAYS */ + + HFA384X_OUTW(reg | 0x0080, HFA384X_PCICOR_OFF); + mdelay(2); + HFA384X_OUTW(reg & ~0x0080, HFA384X_PCICOR_OFF); + mdelay(2); + +#endif /* PRISM2_PCI_USE_LONG_DELAYS */ + + if (HFA384X_INW(HFA384X_CMD_OFF) & HFA384X_CMD_BUSY) { + printk(KERN_DEBUG "%s: COR sreset timeout\n", dev->name); + } +} + + +static void prism2_pci_genesis_reset(local_info_t *local, int hcr) +{ + struct net_device *dev = local->dev; + + HFA384X_OUTW(0x00C5, HFA384X_PCICOR_OFF); + mdelay(10); + HFA384X_OUTW(hcr, HFA384X_PCIHCR_OFF); + mdelay(10); + HFA384X_OUTW(0x0045, HFA384X_PCICOR_OFF); + mdelay(10); +} + + +static struct prism2_helper_functions prism2_pci_funcs = +{ + .card_present = NULL, + .cor_sreset = prism2_pci_cor_sreset, + .genesis_reset = prism2_pci_genesis_reset, + .hw_type = HOSTAP_HW_PCI, +}; + + +static int prism2_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + unsigned long phymem; + void __iomem *mem = NULL; + local_info_t *local = NULL; + struct net_device *dev = NULL; + static int cards_found /* = 0 */; + int irq_registered = 0; + struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + + hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); + if (hw_priv == NULL) + return -ENOMEM; + + if (pci_enable_device(pdev)) + goto err_out_free; + + phymem = pci_resource_start(pdev, 0); + + if (!request_mem_region(phymem, pci_resource_len(pdev, 0), "Prism2")) { + printk(KERN_ERR "prism2: Cannot reserve PCI memory region\n"); + goto err_out_disable; + } + + mem = pci_ioremap_bar(pdev, 0); + if (mem == NULL) { + printk(KERN_ERR "prism2: Cannot remap PCI memory region\n") ; + goto fail; + } + + dev = prism2_init_local_data(&prism2_pci_funcs, cards_found, + &pdev->dev); + if (dev == NULL) + goto fail; + iface = netdev_priv(dev); + local = iface->local; + local->hw_priv = hw_priv; + cards_found++; + + dev->irq = pdev->irq; + hw_priv->mem_start = mem; + dev->base_addr = (unsigned long) mem; + + prism2_pci_cor_sreset(local); + + pci_set_drvdata(pdev, dev); + + if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name, + dev)) { + printk(KERN_WARNING "%s: request_irq failed\n", dev->name); + goto fail; + } else + irq_registered = 1; + + if (!local->pri_only && prism2_hw_config(dev, 1)) { + printk(KERN_DEBUG "%s: hardware initialization failed\n", + dev_info); + goto fail; + } + + printk(KERN_INFO "%s: Intersil Prism2.5 PCI: " + "mem=0x%lx, irq=%d\n", dev->name, phymem, dev->irq); + + return hostap_hw_ready(dev); + + fail: + if (irq_registered && dev) + free_irq(dev->irq, dev); + + if (mem) + iounmap(mem); + + release_mem_region(phymem, pci_resource_len(pdev, 0)); + + err_out_disable: + pci_disable_device(pdev); + prism2_free_local_data(dev); + + err_out_free: + kfree(hw_priv); + + return -ENODEV; +} + + +static void prism2_pci_remove(struct pci_dev *pdev) +{ + struct net_device *dev; + struct hostap_interface *iface; + void __iomem *mem_start; + struct hostap_pci_priv *hw_priv; + + dev = pci_get_drvdata(pdev); + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + + /* Reset the hardware, and ensure interrupts are disabled. */ + prism2_pci_cor_sreset(iface->local); + hfa384x_disable_interrupts(dev); + + if (dev->irq) + free_irq(dev->irq, dev); + + mem_start = hw_priv->mem_start; + prism2_free_local_data(dev); + kfree(hw_priv); + + iounmap(mem_start); + + release_mem_region(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + pci_disable_device(pdev); +} + + +#ifdef CONFIG_PM +static int prism2_pci_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + + if (netif_running(dev)) { + netif_stop_queue(dev); + netif_device_detach(dev); + } + prism2_suspend(dev); + pci_save_state(pdev); + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +static int prism2_pci_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + int err; + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } + pci_restore_state(pdev); + prism2_hw_config(dev, 0); + if (netif_running(dev)) { + netif_device_attach(dev); + netif_start_queue(dev); + } + + return 0; +} +#endif /* CONFIG_PM */ + + +MODULE_DEVICE_TABLE(pci, prism2_pci_id_table); + +static struct pci_driver prism2_pci_driver = { + .name = "hostap_pci", + .id_table = prism2_pci_id_table, + .probe = prism2_pci_probe, + .remove = prism2_pci_remove, +#ifdef CONFIG_PM + .suspend = prism2_pci_suspend, + .resume = prism2_pci_resume, +#endif /* CONFIG_PM */ +}; + +module_pci_driver(prism2_pci_driver); diff --git a/drivers/net/wireless/intersil/hostap/hostap_plx.c b/drivers/net/wireless/intersil/hostap/hostap_plx.c new file mode 100644 index 000000000000..4901a99c6c59 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_plx.c @@ -0,0 +1,618 @@ +#define PRISM2_PLX + +/* Host AP driver's support for PC Cards on PCI adapters using PLX9052 is + * based on: + * - Host AP driver patch from james@madingley.org + * - linux-wlan-ng driver, Copyright (C) AbsoluteValue Systems, Inc. + */ + + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "hostap_wlan.h" + + +static char *dev_info = "hostap_plx"; + + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN " + "cards (PLX)."); +MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PLX)"); +MODULE_LICENSE("GPL"); + + +static int ignore_cis; +module_param(ignore_cis, int, 0444); +MODULE_PARM_DESC(ignore_cis, "Do not verify manfid information in CIS"); + + +/* struct local_info::hw_priv */ +struct hostap_plx_priv { + void __iomem *attr_mem; + unsigned int cor_offset; +}; + + +#define PLX_MIN_ATTR_LEN 512 /* at least 2 x 256 is needed for CIS */ +#define COR_SRESET 0x80 +#define COR_LEVLREQ 0x40 +#define COR_ENABLE_FUNC 0x01 +/* PCI Configuration Registers */ +#define PLX_PCIIPR 0x3d /* PCI Interrupt Pin */ +/* Local Configuration Registers */ +#define PLX_INTCSR 0x4c /* Interrupt Control/Status Register */ +#define PLX_INTCSR_PCI_INTEN BIT(6) /* PCI Interrupt Enable */ +#define PLX_CNTRL 0x50 +#define PLX_CNTRL_SERIAL_EEPROM_PRESENT BIT(28) + + +#define PLXDEV(vendor,dev,str) { vendor, dev, PCI_ANY_ID, PCI_ANY_ID } + +static const struct pci_device_id prism2_plx_id_table[] = { + PLXDEV(0x10b7, 0x7770, "3Com AirConnect PCI 777A"), + PLXDEV(0x111a, 0x1023, "Siemens SpeedStream SS1023"), + PLXDEV(0x126c, 0x8030, "Nortel emobility"), + PLXDEV(0x1562, 0x0001, "Symbol LA-4123"), + PLXDEV(0x1385, 0x4100, "Netgear MA301"), + PLXDEV(0x15e8, 0x0130, "National Datacomm NCP130 (PLX9052)"), + PLXDEV(0x15e8, 0x0131, "National Datacomm NCP130 (TMD7160)"), + PLXDEV(0x1638, 0x1100, "Eumitcom WL11000"), + PLXDEV(0x16ab, 0x1100, "Global Sun Tech GL24110P"), + PLXDEV(0x16ab, 0x1101, "Global Sun Tech GL24110P (?)"), + PLXDEV(0x16ab, 0x1102, "Linksys WPC11 with WDT11"), + PLXDEV(0x16ab, 0x1103, "Longshine 8031"), + PLXDEV(0x16ec, 0x3685, "US Robotics USR2415"), + PLXDEV(0xec80, 0xec00, "Belkin F5D6000"), + { 0 } +}; + + +/* Array of known Prism2/2.5 PC Card manufactured ids. If your card's manfid + * is not listed here, you will need to add it here to get the driver + * initialized. */ +static struct prism2_plx_manfid { + u16 manfid1, manfid2; +} prism2_plx_known_manfids[] = { + { 0x000b, 0x7110 } /* D-Link DWL-650 Rev. P1 */, + { 0x000b, 0x7300 } /* Philips 802.11b WLAN PCMCIA */, + { 0x0101, 0x0777 } /* 3Com AirConnect PCI 777A */, + { 0x0126, 0x8000 } /* Proxim RangeLAN */, + { 0x0138, 0x0002 } /* Compaq WL100 */, + { 0x0156, 0x0002 } /* Intersil Prism II Ref. Design (and others) */, + { 0x026f, 0x030b } /* Buffalo WLI-CF-S11G */, + { 0x0274, 0x1612 } /* Linksys WPC11 Ver 2.5 */, + { 0x0274, 0x1613 } /* Linksys WPC11 Ver 3 */, + { 0x028a, 0x0002 } /* D-Link DRC-650 */, + { 0x0250, 0x0002 } /* Samsung SWL2000-N */, + { 0xc250, 0x0002 } /* EMTAC A2424i */, + { 0xd601, 0x0002 } /* Z-Com XI300 */, + { 0xd601, 0x0005 } /* Zcomax XI-325H 200mW */, + { 0, 0} +}; + + +#ifdef PRISM2_IO_DEBUG + +static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); + outb(v, dev->base_addr + a); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + u8 v; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock_irqsave(&local->lock, flags); + v = inb(dev->base_addr + a); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); + spin_unlock_irqrestore(&local->lock, flags); + return v; +} + +static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); + outw(v, dev->base_addr + a); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + u16 v; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock_irqsave(&local->lock, flags); + v = inw(dev->base_addr + a); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); + spin_unlock_irqrestore(&local->lock, flags); + return v; +} + +static inline void hfa384x_outsw_debug(struct net_device *dev, int a, + u8 *buf, int wc) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc); + outsw(dev->base_addr + a, buf, wc); + spin_unlock_irqrestore(&local->lock, flags); +} + +static inline void hfa384x_insw_debug(struct net_device *dev, int a, + u8 *buf, int wc) +{ + struct hostap_interface *iface; + local_info_t *local; + unsigned long flags; + + iface = netdev_priv(dev); + local = iface->local; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc); + insw(dev->base_addr + a, buf, wc); + spin_unlock_irqrestore(&local->lock, flags); +} + +#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v)) +#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a)) +#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v)) +#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a)) +#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc)) +#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc)) + +#else /* PRISM2_IO_DEBUG */ + +#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a)) +#define HFA384X_INB(a) inb(dev->base_addr + (a)) +#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a)) +#define HFA384X_INW(a) inw(dev->base_addr + (a)) +#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc) +#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc) + +#endif /* PRISM2_IO_DEBUG */ + + +static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf, + int len) +{ + u16 d_off; + u16 *pos; + + d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; + pos = (u16 *) buf; + + if (len / 2) + HFA384X_INSW(d_off, buf, len / 2); + pos += len / 2; + + if (len & 1) + *((char *) pos) = HFA384X_INB(d_off); + + return 0; +} + + +static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) +{ + u16 d_off; + u16 *pos; + + d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF; + pos = (u16 *) buf; + + if (len / 2) + HFA384X_OUTSW(d_off, buf, len / 2); + pos += len / 2; + + if (len & 1) + HFA384X_OUTB(*((char *) pos), d_off); + + return 0; +} + + +/* FIX: This might change at some point.. */ +#include "hostap_hw.c" + + +static void prism2_plx_cor_sreset(local_info_t *local) +{ + unsigned char corsave; + struct hostap_plx_priv *hw_priv = local->hw_priv; + + printk(KERN_DEBUG "%s: Doing reset via direct COR access.\n", + dev_info); + + /* Set sreset bit of COR and clear it after hold time */ + + if (hw_priv->attr_mem == NULL) { + /* TMD7160 - COR at card's first I/O addr */ + corsave = inb(hw_priv->cor_offset); + outb(corsave | COR_SRESET, hw_priv->cor_offset); + mdelay(2); + outb(corsave & ~COR_SRESET, hw_priv->cor_offset); + mdelay(2); + } else { + /* PLX9052 */ + corsave = readb(hw_priv->attr_mem + hw_priv->cor_offset); + writeb(corsave | COR_SRESET, + hw_priv->attr_mem + hw_priv->cor_offset); + mdelay(2); + writeb(corsave & ~COR_SRESET, + hw_priv->attr_mem + hw_priv->cor_offset); + mdelay(2); + } +} + + +static void prism2_plx_genesis_reset(local_info_t *local, int hcr) +{ + unsigned char corsave; + struct hostap_plx_priv *hw_priv = local->hw_priv; + + if (hw_priv->attr_mem == NULL) { + /* TMD7160 - COR at card's first I/O addr */ + corsave = inb(hw_priv->cor_offset); + outb(corsave | COR_SRESET, hw_priv->cor_offset); + mdelay(10); + outb(hcr, hw_priv->cor_offset + 2); + mdelay(10); + outb(corsave & ~COR_SRESET, hw_priv->cor_offset); + mdelay(10); + } else { + /* PLX9052 */ + corsave = readb(hw_priv->attr_mem + hw_priv->cor_offset); + writeb(corsave | COR_SRESET, + hw_priv->attr_mem + hw_priv->cor_offset); + mdelay(10); + writeb(hcr, hw_priv->attr_mem + hw_priv->cor_offset + 2); + mdelay(10); + writeb(corsave & ~COR_SRESET, + hw_priv->attr_mem + hw_priv->cor_offset); + mdelay(10); + } +} + + +static struct prism2_helper_functions prism2_plx_funcs = +{ + .card_present = NULL, + .cor_sreset = prism2_plx_cor_sreset, + .genesis_reset = prism2_plx_genesis_reset, + .hw_type = HOSTAP_HW_PLX, +}; + + +static int prism2_plx_check_cis(void __iomem *attr_mem, int attr_len, + unsigned int *cor_offset, + unsigned int *cor_index) +{ +#define CISTPL_CONFIG 0x1A +#define CISTPL_MANFID 0x20 +#define CISTPL_END 0xFF +#define CIS_MAX_LEN 256 + u8 *cis; + int i, pos; + unsigned int rmsz, rasz, manfid1, manfid2; + struct prism2_plx_manfid *manfid; + + cis = kmalloc(CIS_MAX_LEN, GFP_KERNEL); + if (cis == NULL) + return -ENOMEM; + + /* read CIS; it is in even offsets in the beginning of attr_mem */ + for (i = 0; i < CIS_MAX_LEN; i++) + cis[i] = readb(attr_mem + 2 * i); + printk(KERN_DEBUG "%s: CIS: %02x %02x %02x %02x %02x %02x ...\n", + dev_info, cis[0], cis[1], cis[2], cis[3], cis[4], cis[5]); + + /* set reasonable defaults for Prism2 cards just in case CIS parsing + * fails */ + *cor_offset = 0x3e0; + *cor_index = 0x01; + manfid1 = manfid2 = 0; + + pos = 0; + while (pos < CIS_MAX_LEN - 1 && cis[pos] != CISTPL_END) { + if (pos + 2 + cis[pos + 1] > CIS_MAX_LEN) + goto cis_error; + + switch (cis[pos]) { + case CISTPL_CONFIG: + if (cis[pos + 1] < 2) + goto cis_error; + rmsz = (cis[pos + 2] & 0x3c) >> 2; + rasz = cis[pos + 2] & 0x03; + if (4 + rasz + rmsz > cis[pos + 1]) + goto cis_error; + *cor_index = cis[pos + 3] & 0x3F; + *cor_offset = 0; + for (i = 0; i <= rasz; i++) + *cor_offset += cis[pos + 4 + i] << (8 * i); + printk(KERN_DEBUG "%s: cor_index=0x%x " + "cor_offset=0x%x\n", dev_info, + *cor_index, *cor_offset); + if (*cor_offset > attr_len) { + printk(KERN_ERR "%s: COR offset not within " + "attr_mem\n", dev_info); + kfree(cis); + return -1; + } + break; + + case CISTPL_MANFID: + if (cis[pos + 1] < 4) + goto cis_error; + manfid1 = cis[pos + 2] + (cis[pos + 3] << 8); + manfid2 = cis[pos + 4] + (cis[pos + 5] << 8); + printk(KERN_DEBUG "%s: manfid=0x%04x, 0x%04x\n", + dev_info, manfid1, manfid2); + break; + } + + pos += cis[pos + 1] + 2; + } + + if (pos >= CIS_MAX_LEN || cis[pos] != CISTPL_END) + goto cis_error; + + for (manfid = prism2_plx_known_manfids; manfid->manfid1 != 0; manfid++) + if (manfid1 == manfid->manfid1 && manfid2 == manfid->manfid2) { + kfree(cis); + return 0; + } + + printk(KERN_INFO "%s: unknown manfid 0x%04x, 0x%04x - assuming this is" + " not supported card\n", dev_info, manfid1, manfid2); + goto fail; + + cis_error: + printk(KERN_WARNING "%s: invalid CIS data\n", dev_info); + + fail: + kfree(cis); + if (ignore_cis) { + printk(KERN_INFO "%s: ignore_cis parameter set - ignoring " + "errors during CIS verification\n", dev_info); + return 0; + } + return -1; +} + + +static int prism2_plx_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + unsigned int pccard_ioaddr, plx_ioaddr; + unsigned long pccard_attr_mem; + unsigned int pccard_attr_len; + void __iomem *attr_mem = NULL; + unsigned int cor_offset = 0, cor_index = 0; + u32 reg; + local_info_t *local = NULL; + struct net_device *dev = NULL; + struct hostap_interface *iface; + static int cards_found /* = 0 */; + int irq_registered = 0; + int tmd7160; + struct hostap_plx_priv *hw_priv; + + hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL); + if (hw_priv == NULL) + return -ENOMEM; + + if (pci_enable_device(pdev)) + goto err_out_free; + + /* National Datacomm NCP130 based on TMD7160, not PLX9052. */ + tmd7160 = (pdev->vendor == 0x15e8) && (pdev->device == 0x0131); + + plx_ioaddr = pci_resource_start(pdev, 1); + pccard_ioaddr = pci_resource_start(pdev, tmd7160 ? 2 : 3); + + if (tmd7160) { + /* TMD7160 */ + attr_mem = NULL; /* no access to PC Card attribute memory */ + + printk(KERN_INFO "TMD7160 PCI/PCMCIA adapter: io=0x%x, " + "irq=%d, pccard_io=0x%x\n", + plx_ioaddr, pdev->irq, pccard_ioaddr); + + cor_offset = plx_ioaddr; + cor_index = 0x04; + + outb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, plx_ioaddr); + mdelay(1); + reg = inb(plx_ioaddr); + if (reg != (cor_index | COR_LEVLREQ | COR_ENABLE_FUNC)) { + printk(KERN_ERR "%s: Error setting COR (expected=" + "0x%02x, was=0x%02x)\n", dev_info, + cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, reg); + goto fail; + } + } else { + /* PLX9052 */ + pccard_attr_mem = pci_resource_start(pdev, 2); + pccard_attr_len = pci_resource_len(pdev, 2); + if (pccard_attr_len < PLX_MIN_ATTR_LEN) + goto fail; + + + attr_mem = ioremap(pccard_attr_mem, pccard_attr_len); + if (attr_mem == NULL) { + printk(KERN_ERR "%s: cannot remap attr_mem\n", + dev_info); + goto fail; + } + + printk(KERN_INFO "PLX9052 PCI/PCMCIA adapter: " + "mem=0x%lx, plx_io=0x%x, irq=%d, pccard_io=0x%x\n", + pccard_attr_mem, plx_ioaddr, pdev->irq, pccard_ioaddr); + + if (prism2_plx_check_cis(attr_mem, pccard_attr_len, + &cor_offset, &cor_index)) { + printk(KERN_INFO "Unknown PC Card CIS - not a " + "Prism2/2.5 card?\n"); + goto fail; + } + + printk(KERN_DEBUG "Prism2/2.5 PC Card detected in PLX9052 " + "adapter\n"); + + /* Write COR to enable PC Card */ + writeb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, + attr_mem + cor_offset); + + /* Enable PCI interrupts if they are not already enabled */ + reg = inl(plx_ioaddr + PLX_INTCSR); + printk(KERN_DEBUG "PLX_INTCSR=0x%x\n", reg); + if (!(reg & PLX_INTCSR_PCI_INTEN)) { + outl(reg | PLX_INTCSR_PCI_INTEN, + plx_ioaddr + PLX_INTCSR); + if (!(inl(plx_ioaddr + PLX_INTCSR) & + PLX_INTCSR_PCI_INTEN)) { + printk(KERN_WARNING "%s: Could not enable " + "Local Interrupts\n", dev_info); + goto fail; + } + } + + reg = inl(plx_ioaddr + PLX_CNTRL); + printk(KERN_DEBUG "PLX_CNTRL=0x%x (Serial EEPROM " + "present=%d)\n", + reg, (reg & PLX_CNTRL_SERIAL_EEPROM_PRESENT) != 0); + /* should set PLX_PCIIPR to 0x01 (INTA#) if Serial EEPROM is + * not present; but are there really such cards in use(?) */ + } + + dev = prism2_init_local_data(&prism2_plx_funcs, cards_found, + &pdev->dev); + if (dev == NULL) + goto fail; + iface = netdev_priv(dev); + local = iface->local; + local->hw_priv = hw_priv; + cards_found++; + + dev->irq = pdev->irq; + dev->base_addr = pccard_ioaddr; + hw_priv->attr_mem = attr_mem; + hw_priv->cor_offset = cor_offset; + + pci_set_drvdata(pdev, dev); + + if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name, + dev)) { + printk(KERN_WARNING "%s: request_irq failed\n", dev->name); + goto fail; + } else + irq_registered = 1; + + if (prism2_hw_config(dev, 1)) { + printk(KERN_DEBUG "%s: hardware initialization failed\n", + dev_info); + goto fail; + } + + return hostap_hw_ready(dev); + + fail: + if (irq_registered && dev) + free_irq(dev->irq, dev); + + if (attr_mem) + iounmap(attr_mem); + + pci_disable_device(pdev); + prism2_free_local_data(dev); + + err_out_free: + kfree(hw_priv); + + return -ENODEV; +} + + +static void prism2_plx_remove(struct pci_dev *pdev) +{ + struct net_device *dev; + struct hostap_interface *iface; + struct hostap_plx_priv *hw_priv; + + dev = pci_get_drvdata(pdev); + iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; + + /* Reset the hardware, and ensure interrupts are disabled. */ + prism2_plx_cor_sreset(iface->local); + hfa384x_disable_interrupts(dev); + + if (hw_priv->attr_mem) + iounmap(hw_priv->attr_mem); + if (dev->irq) + free_irq(dev->irq, dev); + + prism2_free_local_data(dev); + kfree(hw_priv); + pci_disable_device(pdev); +} + + +MODULE_DEVICE_TABLE(pci, prism2_plx_id_table); + +static struct pci_driver prism2_plx_driver = { + .name = "hostap_plx", + .id_table = prism2_plx_id_table, + .probe = prism2_plx_probe, + .remove = prism2_plx_remove, +}; + +module_pci_driver(prism2_plx_driver); diff --git a/drivers/net/wireless/intersil/hostap/hostap_proc.c b/drivers/net/wireless/intersil/hostap/hostap_proc.c new file mode 100644 index 000000000000..dd84557cf957 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_proc.c @@ -0,0 +1,499 @@ +/* /proc routines for Host AP driver */ + +#include +#include +#include +#include + +#include "hostap_wlan.h" +#include "hostap.h" + +#define PROC_LIMIT (PAGE_SIZE - 80) + + +#ifndef PRISM2_NO_PROCFS_DEBUG +static int prism2_debug_proc_show(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + int i; + + seq_printf(m, "next_txfid=%d next_alloc=%d\n", + local->next_txfid, local->next_alloc); + for (i = 0; i < PRISM2_TXFID_COUNT; i++) + seq_printf(m, "FID: tx=%04X intransmit=%04X\n", + local->txfid[i], local->intransmitfid[i]); + seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control); + seq_printf(m, "beacon_int=%d\n", local->beacon_int); + seq_printf(m, "dtim_period=%d\n", local->dtim_period); + seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections); + seq_printf(m, "dev_enabled=%d\n", local->dev_enabled); + seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck); + for (i = 0; i < WEP_KEYS; i++) { + if (local->crypt_info.crypt[i] && + local->crypt_info.crypt[i]->ops) { + seq_printf(m, "crypt[%d]=%s\n", i, + local->crypt_info.crypt[i]->ops->name); + } + } + seq_printf(m, "pri_only=%d\n", local->pri_only); + seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI); + seq_printf(m, "sram_type=%d\n", local->sram_type); + seq_printf(m, "no_pri=%d\n", local->no_pri); + + return 0; +} + +static int prism2_debug_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, prism2_debug_proc_show, PDE_DATA(inode)); +} + +static const struct file_operations prism2_debug_proc_fops = { + .open = prism2_debug_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif /* PRISM2_NO_PROCFS_DEBUG */ + + +static int prism2_stats_proc_show(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + struct comm_tallies_sums *sums = &local->comm_tallies; + + seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames); + seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames); + seq_printf(m, "TxFragments=%u\n", sums->tx_fragments); + seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets); + seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets); + seq_printf(m, "TxDeferredTransmissions=%u\n", + sums->tx_deferred_transmissions); + seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames); + seq_printf(m, "TxMultipleRetryFrames=%u\n", + sums->tx_multiple_retry_frames); + seq_printf(m, "TxRetryLimitExceeded=%u\n", + sums->tx_retry_limit_exceeded); + seq_printf(m, "TxDiscards=%u\n", sums->tx_discards); + seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames); + seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames); + seq_printf(m, "RxFragments=%u\n", sums->rx_fragments); + seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets); + seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets); + seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors); + seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer); + seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa); + seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n", + sums->rx_discards_wep_undecryptable); + seq_printf(m, "RxMessageInMsgFragments=%u\n", + sums->rx_message_in_msg_fragments); + seq_printf(m, "RxMessageInBadMsgFragments=%u\n", + sums->rx_message_in_bad_msg_fragments); + /* FIX: this may grow too long for one page(?) */ + + return 0; +} + +static int prism2_stats_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, prism2_stats_proc_show, PDE_DATA(inode)); +} + +static const struct file_operations prism2_stats_proc_fops = { + .open = prism2_stats_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + + +static int prism2_wds_proc_show(struct seq_file *m, void *v) +{ + struct list_head *ptr = v; + struct hostap_interface *iface; + + iface = list_entry(ptr, struct hostap_interface, list); + if (iface->type == HOSTAP_INTERFACE_WDS) + seq_printf(m, "%s\t%pM\n", + iface->dev->name, iface->u.wds.remote_addr); + return 0; +} + +static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos) +{ + local_info_t *local = m->private; + read_lock_bh(&local->iface_lock); + return seq_list_start(&local->hostap_interfaces, *_pos); +} + +static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos) +{ + local_info_t *local = m->private; + return seq_list_next(v, &local->hostap_interfaces, _pos); +} + +static void prism2_wds_proc_stop(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + read_unlock_bh(&local->iface_lock); +} + +static const struct seq_operations prism2_wds_proc_seqops = { + .start = prism2_wds_proc_start, + .next = prism2_wds_proc_next, + .stop = prism2_wds_proc_stop, + .show = prism2_wds_proc_show, +}; + +static int prism2_wds_proc_open(struct inode *inode, struct file *file) +{ + int ret = seq_open(file, &prism2_wds_proc_seqops); + if (ret == 0) { + struct seq_file *m = file->private_data; + m->private = PDE_DATA(inode); + } + return ret; +} + +static const struct file_operations prism2_wds_proc_fops = { + .open = prism2_wds_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + + +static int prism2_bss_list_proc_show(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + struct list_head *ptr = v; + struct hostap_bss_info *bss; + + if (ptr == &local->bss_list) { + seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t" + "SSID(hex)\tWPA IE\n"); + return 0; + } + + bss = list_entry(ptr, struct hostap_bss_info, list); + seq_printf(m, "%pM\t%lu\t%u\t0x%x\t", + bss->bssid, bss->last_update, + bss->count, bss->capab_info); + + seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid); + + seq_putc(m, '\t'); + seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid); + seq_putc(m, '\t'); + seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie); + seq_putc(m, '\n'); + return 0; +} + +static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos) +{ + local_info_t *local = m->private; + spin_lock_bh(&local->lock); + return seq_list_start_head(&local->bss_list, *_pos); +} + +static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos) +{ + local_info_t *local = m->private; + return seq_list_next(v, &local->bss_list, _pos); +} + +static void prism2_bss_list_proc_stop(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + spin_unlock_bh(&local->lock); +} + +static const struct seq_operations prism2_bss_list_proc_seqops = { + .start = prism2_bss_list_proc_start, + .next = prism2_bss_list_proc_next, + .stop = prism2_bss_list_proc_stop, + .show = prism2_bss_list_proc_show, +}; + +static int prism2_bss_list_proc_open(struct inode *inode, struct file *file) +{ + int ret = seq_open(file, &prism2_bss_list_proc_seqops); + if (ret == 0) { + struct seq_file *m = file->private_data; + m->private = PDE_DATA(inode); + } + return ret; +} + +static const struct file_operations prism2_bss_list_proc_fops = { + .open = prism2_bss_list_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + + +static int prism2_crypt_proc_show(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + int i; + + seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx); + for (i = 0; i < WEP_KEYS; i++) { + if (local->crypt_info.crypt[i] && + local->crypt_info.crypt[i]->ops && + local->crypt_info.crypt[i]->ops->print_stats) { + local->crypt_info.crypt[i]->ops->print_stats( + m, local->crypt_info.crypt[i]->priv); + } + } + return 0; +} + +static int prism2_crypt_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode)); +} + +static const struct file_operations prism2_crypt_proc_fops = { + .open = prism2_crypt_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + + +static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf, + size_t count, loff_t *_pos) +{ + local_info_t *local = PDE_DATA(file_inode(file)); + size_t off; + + if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE) + return 0; + + off = *_pos; + if (count > PRISM2_PDA_SIZE - off) + count = PRISM2_PDA_SIZE - off; + if (copy_to_user(buf, local->pda + off, count) != 0) + return -EFAULT; + *_pos += count; + return count; +} + +static const struct file_operations prism2_pda_proc_fops = { + .read = prism2_pda_proc_read, + .llseek = generic_file_llseek, +}; + + +static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf, + size_t bufsize, loff_t *_pos) +{ + return 0; +} + +static const struct file_operations prism2_aux_dump_proc_fops = { + .read = prism2_aux_dump_proc_no_read, +}; + + +#ifdef PRISM2_IO_DEBUG +static int prism2_io_debug_proc_read(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + local_info_t *local = (local_info_t *) data; + int head = local->io_debug_head; + int start_bytes, left, copy, copied; + + if (off + count > PRISM2_IO_DEBUG_SIZE * 4) { + *eof = 1; + if (off >= PRISM2_IO_DEBUG_SIZE * 4) + return 0; + count = PRISM2_IO_DEBUG_SIZE * 4 - off; + } + + copied = 0; + start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4; + left = count; + + if (off < start_bytes) { + copy = start_bytes - off; + if (copy > count) + copy = count; + memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy); + left -= copy; + if (left > 0) + memcpy(&page[copy], local->io_debug, left); + } else { + memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes), + left); + } + + *start = page; + + return count; +} +#endif /* PRISM2_IO_DEBUG */ + + +#ifndef PRISM2_NO_STATION_MODES +static int prism2_scan_results_proc_show(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + unsigned long entry; + int i, len; + struct hfa384x_hostscan_result *scanres; + u8 *p; + + if (v == SEQ_START_TOKEN) { + seq_printf(m, + "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n"); + return 0; + } + + entry = (unsigned long)v - 2; + scanres = &local->last_scan_results[entry]; + + seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ", + le16_to_cpu(scanres->chid), + (s16) le16_to_cpu(scanres->anl), + (s16) le16_to_cpu(scanres->sl), + le16_to_cpu(scanres->beacon_interval), + le16_to_cpu(scanres->capability), + le16_to_cpu(scanres->rate), + scanres->bssid, + le16_to_cpu(scanres->atim)); + + p = scanres->sup_rates; + for (i = 0; i < sizeof(scanres->sup_rates); i++) { + if (p[i] == 0) + break; + seq_printf(m, "<%02x>", p[i]); + } + seq_putc(m, ' '); + + p = scanres->ssid; + len = le16_to_cpu(scanres->ssid_len); + if (len > 32) + len = 32; + for (i = 0; i < len; i++) { + unsigned char c = p[i]; + if (c >= 32 && c < 127) + seq_putc(m, c); + else + seq_printf(m, "<%02x>", c); + } + seq_putc(m, '\n'); + return 0; +} + +static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos) +{ + local_info_t *local = m->private; + spin_lock_bh(&local->lock); + + /* We have a header (pos 0) + N results to show (pos 1...N) */ + if (*_pos > local->last_scan_results_count) + return NULL; + return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */ +} + +static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos) +{ + local_info_t *local = m->private; + + ++*_pos; + if (*_pos > local->last_scan_results_count) + return NULL; + return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */ +} + +static void prism2_scan_results_proc_stop(struct seq_file *m, void *v) +{ + local_info_t *local = m->private; + spin_unlock_bh(&local->lock); +} + +static const struct seq_operations prism2_scan_results_proc_seqops = { + .start = prism2_scan_results_proc_start, + .next = prism2_scan_results_proc_next, + .stop = prism2_scan_results_proc_stop, + .show = prism2_scan_results_proc_show, +}; + +static int prism2_scan_results_proc_open(struct inode *inode, struct file *file) +{ + int ret = seq_open(file, &prism2_scan_results_proc_seqops); + if (ret == 0) { + struct seq_file *m = file->private_data; + m->private = PDE_DATA(inode); + } + return ret; +} + +static const struct file_operations prism2_scan_results_proc_fops = { + .open = prism2_scan_results_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + + +#endif /* PRISM2_NO_STATION_MODES */ + + +void hostap_init_proc(local_info_t *local) +{ + local->proc = NULL; + + if (hostap_proc == NULL) { + printk(KERN_WARNING "%s: hostap proc directory not created\n", + local->dev->name); + return; + } + + local->proc = proc_mkdir(local->ddev->name, hostap_proc); + if (local->proc == NULL) { + printk(KERN_INFO "/proc/net/hostap/%s creation failed\n", + local->ddev->name); + return; + } + +#ifndef PRISM2_NO_PROCFS_DEBUG + proc_create_data("debug", 0, local->proc, + &prism2_debug_proc_fops, local); +#endif /* PRISM2_NO_PROCFS_DEBUG */ + proc_create_data("stats", 0, local->proc, + &prism2_stats_proc_fops, local); + proc_create_data("wds", 0, local->proc, + &prism2_wds_proc_fops, local); + proc_create_data("pda", 0, local->proc, + &prism2_pda_proc_fops, local); + proc_create_data("aux_dump", 0, local->proc, + local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops, + local); + proc_create_data("bss_list", 0, local->proc, + &prism2_bss_list_proc_fops, local); + proc_create_data("crypt", 0, local->proc, + &prism2_crypt_proc_fops, local); +#ifdef PRISM2_IO_DEBUG + proc_create_data("io_debug", 0, local->proc, + &prism2_io_debug_proc_fops, local); +#endif /* PRISM2_IO_DEBUG */ +#ifndef PRISM2_NO_STATION_MODES + proc_create_data("scan_results", 0, local->proc, + &prism2_scan_results_proc_fops, local); +#endif /* PRISM2_NO_STATION_MODES */ +} + + +void hostap_remove_proc(local_info_t *local) +{ + proc_remove(local->proc); +} + + +EXPORT_SYMBOL(hostap_init_proc); +EXPORT_SYMBOL(hostap_remove_proc); diff --git a/drivers/net/wireless/intersil/hostap/hostap_wlan.h b/drivers/net/wireless/intersil/hostap/hostap_wlan.h new file mode 100644 index 000000000000..ca25283e1c92 --- /dev/null +++ b/drivers/net/wireless/intersil/hostap/hostap_wlan.h @@ -0,0 +1,1047 @@ +#ifndef HOSTAP_WLAN_H +#define HOSTAP_WLAN_H + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hostap_config.h" +#include "hostap_common.h" + +#define MAX_PARM_DEVICES 8 +#define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES) +#define DEF_INTS -1, -1, -1, -1, -1, -1, -1 +#define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx] + + +/* Specific skb->protocol value that indicates that the packet already contains + * txdesc header. + * FIX: This might need own value that would be allocated especially for Prism2 + * txdesc; ETH_P_CONTROL is commented as "Card specific control frames". + * However, these skb's should have only minimal path in the kernel side since + * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */ +#define ETH_P_HOSTAP ETH_P_CONTROL + +/* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header + * (from linux-wlan-ng) */ +struct linux_wlan_ng_val { + u32 did; + u16 status, len; + u32 data; +} __packed; + +struct linux_wlan_ng_prism_hdr { + u32 msgcode, msglen; + char devname[16]; + struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal, + noise, rate, istx, frmlen; +} __packed; + +struct linux_wlan_ng_cap_hdr { + __be32 version; + __be32 length; + __be64 mactime; + __be64 hosttime; + __be32 phytype; + __be32 channel; + __be32 datarate; + __be32 antenna; + __be32 priority; + __be32 ssi_type; + __be32 ssi_signal; + __be32 ssi_noise; + __be32 preamble; + __be32 encoding; +} __packed; + +struct hostap_radiotap_rx { + struct ieee80211_radiotap_header hdr; + __le64 tsft; + u8 rate; + u8 padding; + __le16 chan_freq; + __le16 chan_flags; + s8 dbm_antsignal; + s8 dbm_antnoise; +} __packed; + +#define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */ +#define LWNG_CAPHDR_VERSION 0x80211001 + +struct hfa384x_rx_frame { + /* HFA384X RX frame descriptor */ + __le16 status; /* HFA384X_RX_STATUS_ flags */ + __le32 time; /* timestamp, 1 microsecond resolution */ + u8 silence; /* 27 .. 154; seems to be 0 */ + u8 signal; /* 27 .. 154 */ + u8 rate; /* 10, 20, 55, or 110 */ + u8 rxflow; + __le32 reserved; + + /* 802.11 */ + __le16 frame_control; + __le16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + __le16 seq_ctrl; + u8 addr4[ETH_ALEN]; + __le16 data_len; + + /* 802.3 */ + u8 dst_addr[ETH_ALEN]; + u8 src_addr[ETH_ALEN]; + __be16 len; + + /* followed by frame data; max 2304 bytes */ +} __packed; + + +struct hfa384x_tx_frame { + /* HFA384X TX frame descriptor */ + __le16 status; /* HFA384X_TX_STATUS_ flags */ + __le16 reserved1; + __le16 reserved2; + __le32 sw_support; + u8 retry_count; /* not yet implemented */ + u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */ + __le16 tx_control; /* HFA384X_TX_CTRL_ flags */ + + /* 802.11 */ + __le16 frame_control; /* parts not used */ + __le16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; /* filled by firmware */ + u8 addr3[ETH_ALEN]; + __le16 seq_ctrl; /* filled by firmware */ + u8 addr4[ETH_ALEN]; + __le16 data_len; + + /* 802.3 */ + u8 dst_addr[ETH_ALEN]; + u8 src_addr[ETH_ALEN]; + __be16 len; + + /* followed by frame data; max 2304 bytes */ +} __packed; + + +struct hfa384x_rid_hdr +{ + __le16 len; + __le16 rid; +} __packed; + + +/* Macro for converting signal levels (range 27 .. 154) to wireless ext + * dBm value with some accuracy */ +#define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100 + +#define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100 + +struct hfa384x_scan_request { + __le16 channel_list; + __le16 txrate; /* HFA384X_RATES_* */ +} __packed; + +struct hfa384x_hostscan_request { + __le16 channel_list; + __le16 txrate; + __le16 target_ssid_len; + u8 target_ssid[32]; +} __packed; + +struct hfa384x_join_request { + u8 bssid[ETH_ALEN]; + __le16 channel; +} __packed; + +struct hfa384x_info_frame { + __le16 len; + __le16 type; +} __packed; + +struct hfa384x_comm_tallies { + __le16 tx_unicast_frames; + __le16 tx_multicast_frames; + __le16 tx_fragments; + __le16 tx_unicast_octets; + __le16 tx_multicast_octets; + __le16 tx_deferred_transmissions; + __le16 tx_single_retry_frames; + __le16 tx_multiple_retry_frames; + __le16 tx_retry_limit_exceeded; + __le16 tx_discards; + __le16 rx_unicast_frames; + __le16 rx_multicast_frames; + __le16 rx_fragments; + __le16 rx_unicast_octets; + __le16 rx_multicast_octets; + __le16 rx_fcs_errors; + __le16 rx_discards_no_buffer; + __le16 tx_discards_wrong_sa; + __le16 rx_discards_wep_undecryptable; + __le16 rx_message_in_msg_fragments; + __le16 rx_message_in_bad_msg_fragments; +} __packed; + +struct hfa384x_comm_tallies32 { + __le32 tx_unicast_frames; + __le32 tx_multicast_frames; + __le32 tx_fragments; + __le32 tx_unicast_octets; + __le32 tx_multicast_octets; + __le32 tx_deferred_transmissions; + __le32 tx_single_retry_frames; + __le32 tx_multiple_retry_frames; + __le32 tx_retry_limit_exceeded; + __le32 tx_discards; + __le32 rx_unicast_frames; + __le32 rx_multicast_frames; + __le32 rx_fragments; + __le32 rx_unicast_octets; + __le32 rx_multicast_octets; + __le32 rx_fcs_errors; + __le32 rx_discards_no_buffer; + __le32 tx_discards_wrong_sa; + __le32 rx_discards_wep_undecryptable; + __le32 rx_message_in_msg_fragments; + __le32 rx_message_in_bad_msg_fragments; +} __packed; + +struct hfa384x_scan_result_hdr { + __le16 reserved; + __le16 scan_reason; +#define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */ +#define HFA384X_SCAN_HOST_INITIATED 1 +#define HFA384X_SCAN_FIRMWARE_INITIATED 2 +#define HFA384X_SCAN_INQUIRY_FROM_HOST 3 +} __packed; + +#define HFA384X_SCAN_MAX_RESULTS 32 + +struct hfa384x_scan_result { + __le16 chid; + __le16 anl; + __le16 sl; + u8 bssid[ETH_ALEN]; + __le16 beacon_interval; + __le16 capability; + __le16 ssid_len; + u8 ssid[32]; + u8 sup_rates[10]; + __le16 rate; +} __packed; + +struct hfa384x_hostscan_result { + __le16 chid; + __le16 anl; + __le16 sl; + u8 bssid[ETH_ALEN]; + __le16 beacon_interval; + __le16 capability; + __le16 ssid_len; + u8 ssid[32]; + u8 sup_rates[10]; + __le16 rate; + __le16 atim; +} __packed; + +struct comm_tallies_sums { + unsigned int tx_unicast_frames; + unsigned int tx_multicast_frames; + unsigned int tx_fragments; + unsigned int tx_unicast_octets; + unsigned int tx_multicast_octets; + unsigned int tx_deferred_transmissions; + unsigned int tx_single_retry_frames; + unsigned int tx_multiple_retry_frames; + unsigned int tx_retry_limit_exceeded; + unsigned int tx_discards; + unsigned int rx_unicast_frames; + unsigned int rx_multicast_frames; + unsigned int rx_fragments; + unsigned int rx_unicast_octets; + unsigned int rx_multicast_octets; + unsigned int rx_fcs_errors; + unsigned int rx_discards_no_buffer; + unsigned int tx_discards_wrong_sa; + unsigned int rx_discards_wep_undecryptable; + unsigned int rx_message_in_msg_fragments; + unsigned int rx_message_in_bad_msg_fragments; +}; + + +struct hfa384x_regs { + u16 cmd; + u16 evstat; + u16 offset0; + u16 offset1; + u16 swsupport0; +}; + + +#if defined(PRISM2_PCCARD) || defined(PRISM2_PLX) +/* I/O ports for HFA384X Controller access */ +#define HFA384X_CMD_OFF 0x00 +#define HFA384X_PARAM0_OFF 0x02 +#define HFA384X_PARAM1_OFF 0x04 +#define HFA384X_PARAM2_OFF 0x06 +#define HFA384X_STATUS_OFF 0x08 +#define HFA384X_RESP0_OFF 0x0A +#define HFA384X_RESP1_OFF 0x0C +#define HFA384X_RESP2_OFF 0x0E +#define HFA384X_INFOFID_OFF 0x10 +#define HFA384X_CONTROL_OFF 0x14 +#define HFA384X_SELECT0_OFF 0x18 +#define HFA384X_SELECT1_OFF 0x1A +#define HFA384X_OFFSET0_OFF 0x1C +#define HFA384X_OFFSET1_OFF 0x1E +#define HFA384X_RXFID_OFF 0x20 +#define HFA384X_ALLOCFID_OFF 0x22 +#define HFA384X_TXCOMPLFID_OFF 0x24 +#define HFA384X_SWSUPPORT0_OFF 0x28 +#define HFA384X_SWSUPPORT1_OFF 0x2A +#define HFA384X_SWSUPPORT2_OFF 0x2C +#define HFA384X_EVSTAT_OFF 0x30 +#define HFA384X_INTEN_OFF 0x32 +#define HFA384X_EVACK_OFF 0x34 +#define HFA384X_DATA0_OFF 0x36 +#define HFA384X_DATA1_OFF 0x38 +#define HFA384X_AUXPAGE_OFF 0x3A +#define HFA384X_AUXOFFSET_OFF 0x3C +#define HFA384X_AUXDATA_OFF 0x3E +#endif /* PRISM2_PCCARD || PRISM2_PLX */ + +#ifdef PRISM2_PCI +/* Memory addresses for ISL3874 controller access */ +#define HFA384X_CMD_OFF 0x00 +#define HFA384X_PARAM0_OFF 0x04 +#define HFA384X_PARAM1_OFF 0x08 +#define HFA384X_PARAM2_OFF 0x0C +#define HFA384X_STATUS_OFF 0x10 +#define HFA384X_RESP0_OFF 0x14 +#define HFA384X_RESP1_OFF 0x18 +#define HFA384X_RESP2_OFF 0x1C +#define HFA384X_INFOFID_OFF 0x20 +#define HFA384X_CONTROL_OFF 0x28 +#define HFA384X_SELECT0_OFF 0x30 +#define HFA384X_SELECT1_OFF 0x34 +#define HFA384X_OFFSET0_OFF 0x38 +#define HFA384X_OFFSET1_OFF 0x3C +#define HFA384X_RXFID_OFF 0x40 +#define HFA384X_ALLOCFID_OFF 0x44 +#define HFA384X_TXCOMPLFID_OFF 0x48 +#define HFA384X_PCICOR_OFF 0x4C +#define HFA384X_SWSUPPORT0_OFF 0x50 +#define HFA384X_SWSUPPORT1_OFF 0x54 +#define HFA384X_SWSUPPORT2_OFF 0x58 +#define HFA384X_PCIHCR_OFF 0x5C +#define HFA384X_EVSTAT_OFF 0x60 +#define HFA384X_INTEN_OFF 0x64 +#define HFA384X_EVACK_OFF 0x68 +#define HFA384X_DATA0_OFF 0x6C +#define HFA384X_DATA1_OFF 0x70 +#define HFA384X_AUXPAGE_OFF 0x74 +#define HFA384X_AUXOFFSET_OFF 0x78 +#define HFA384X_AUXDATA_OFF 0x7C +#define HFA384X_PCI_M0_ADDRH_OFF 0x80 +#define HFA384X_PCI_M0_ADDRL_OFF 0x84 +#define HFA384X_PCI_M0_LEN_OFF 0x88 +#define HFA384X_PCI_M0_CTL_OFF 0x8C +#define HFA384X_PCI_STATUS_OFF 0x98 +#define HFA384X_PCI_M1_ADDRH_OFF 0xA0 +#define HFA384X_PCI_M1_ADDRL_OFF 0xA4 +#define HFA384X_PCI_M1_LEN_OFF 0xA8 +#define HFA384X_PCI_M1_CTL_OFF 0xAC + +/* PCI bus master control bits (these are undocumented; based on guessing and + * experimenting..) */ +#define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0)) +#define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0)) + +#endif /* PRISM2_PCI */ + + +/* Command codes for CMD reg. */ +#define HFA384X_CMDCODE_INIT 0x00 +#define HFA384X_CMDCODE_ENABLE 0x01 +#define HFA384X_CMDCODE_DISABLE 0x02 +#define HFA384X_CMDCODE_ALLOC 0x0A +#define HFA384X_CMDCODE_TRANSMIT 0x0B +#define HFA384X_CMDCODE_INQUIRE 0x11 +#define HFA384X_CMDCODE_ACCESS 0x21 +#define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8)) +#define HFA384X_CMDCODE_DOWNLOAD 0x22 +#define HFA384X_CMDCODE_READMIF 0x30 +#define HFA384X_CMDCODE_WRITEMIF 0x31 +#define HFA384X_CMDCODE_TEST 0x38 + +#define HFA384X_CMDCODE_MASK 0x3F + +/* Test mode operations */ +#define HFA384X_TEST_CHANGE_CHANNEL 0x08 +#define HFA384X_TEST_MONITOR 0x0B +#define HFA384X_TEST_STOP 0x0F +#define HFA384X_TEST_CFG_BITS 0x15 +#define HFA384X_TEST_CFG_BIT_ALC BIT(3) + +#define HFA384X_CMD_BUSY BIT(15) + +#define HFA384X_CMD_TX_RECLAIM BIT(8) + +#define HFA384X_OFFSET_ERR BIT(14) +#define HFA384X_OFFSET_BUSY BIT(15) + + +/* ProgMode for download command */ +#define HFA384X_PROGMODE_DISABLE 0 +#define HFA384X_PROGMODE_ENABLE_VOLATILE 1 +#define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2 +#define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3 + +#define HFA384X_AUX_MAGIC0 0xfe01 +#define HFA384X_AUX_MAGIC1 0xdc23 +#define HFA384X_AUX_MAGIC2 0xba45 + +#define HFA384X_AUX_PORT_DISABLED 0 +#define HFA384X_AUX_PORT_DISABLE BIT(14) +#define HFA384X_AUX_PORT_ENABLE BIT(15) +#define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15)) +#define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15)) + +#define PRISM2_PDA_SIZE 1024 + + +/* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */ +#define HFA384X_EV_TICK BIT(15) +#define HFA384X_EV_WTERR BIT(14) +#define HFA384X_EV_INFDROP BIT(13) +#ifdef PRISM2_PCI +#define HFA384X_EV_PCI_M1 BIT(9) +#define HFA384X_EV_PCI_M0 BIT(8) +#endif /* PRISM2_PCI */ +#define HFA384X_EV_INFO BIT(7) +#define HFA384X_EV_DTIM BIT(5) +#define HFA384X_EV_CMD BIT(4) +#define HFA384X_EV_ALLOC BIT(3) +#define HFA384X_EV_TXEXC BIT(2) +#define HFA384X_EV_TX BIT(1) +#define HFA384X_EV_RX BIT(0) + + +/* HFA384X Information frames */ +#define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */ +#define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */ +#define HFA384X_INFO_COMMTALLIES 0xF100 +#define HFA384X_INFO_SCANRESULTS 0xF101 +#define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */ +#define HFA384X_INFO_HOSTSCANRESULTS 0xF103 +#define HFA384X_INFO_LINKSTATUS 0xF200 +#define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */ +#define HFA384X_INFO_AUTHREQ 0xF202 /* ? */ +#define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */ +#define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */ + +enum { HFA384X_LINKSTATUS_CONNECTED = 1, + HFA384X_LINKSTATUS_DISCONNECTED = 2, + HFA384X_LINKSTATUS_AP_CHANGE = 3, + HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4, + HFA384X_LINKSTATUS_AP_IN_RANGE = 5, + HFA384X_LINKSTATUS_ASSOC_FAILED = 6 }; + +enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2, + HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0, + HFA384X_PORTTYPE_HOSTAP = 6 }; + +#define HFA384X_RATES_1MBPS BIT(0) +#define HFA384X_RATES_2MBPS BIT(1) +#define HFA384X_RATES_5MBPS BIT(2) +#define HFA384X_RATES_11MBPS BIT(3) + +#define HFA384X_ROAMING_FIRMWARE 1 +#define HFA384X_ROAMING_HOST 2 +#define HFA384X_ROAMING_DISABLED 3 + +#define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0) +#define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1) +#define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4) +#define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7) + +#define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13)) +#define HFA384X_RX_STATUS_PCF BIT(12) +#define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8)) +#define HFA384X_RX_STATUS_UNDECR BIT(1) +#define HFA384X_RX_STATUS_FCSERR BIT(0) + +#define HFA384X_RX_STATUS_GET_MSGTYPE(s) \ +(((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13) +#define HFA384X_RX_STATUS_GET_MACPORT(s) \ +(((s) & HFA384X_RX_STATUS_MACPORT) >> 8) + +enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1, + HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 }; + + +#define HFA384X_TX_CTRL_ALT_RTRY BIT(5) +#define HFA384X_TX_CTRL_802_11 BIT(3) +#define HFA384X_TX_CTRL_802_3 0 +#define HFA384X_TX_CTRL_TX_EX BIT(2) +#define HFA384X_TX_CTRL_TX_OK BIT(1) + +#define HFA384X_TX_STATUS_RETRYERR BIT(0) +#define HFA384X_TX_STATUS_AGEDERR BIT(1) +#define HFA384X_TX_STATUS_DISCON BIT(2) +#define HFA384X_TX_STATUS_FORMERR BIT(3) + +/* HFA3861/3863 (BBP) Control Registers */ +#define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */ +#define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */ +#define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */ +#define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */ +#define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */ + + +#ifdef __KERNEL__ + +#define PRISM2_TXFID_COUNT 8 +#define PRISM2_DATA_MAXLEN 2304 +#define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame)) +#define PRISM2_TXFID_EMPTY 0xffff +#define PRISM2_TXFID_RESERVED 0xfffe +#define PRISM2_DUMMY_FID 0xffff +#define MAX_SSID_LEN 32 +#define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */ + +#define PRISM2_DUMP_RX_HDR BIT(0) +#define PRISM2_DUMP_TX_HDR BIT(1) +#define PRISM2_DUMP_TXEXC_HDR BIT(2) + +struct hostap_tx_callback_info { + u16 idx; + void (*func)(struct sk_buff *, int ok, void *); + void *data; + struct hostap_tx_callback_info *next; +}; + + +/* IEEE 802.11 requires that STA supports concurrent reception of at least + * three fragmented frames. This define can be increased to support more + * concurrent frames, but it should be noted that each entry can consume about + * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ +#define PRISM2_FRAG_CACHE_LEN 4 + +struct prism2_frag_entry { + unsigned long first_frag_time; + unsigned int seq; + unsigned int last_frag; + struct sk_buff *skb; + u8 src_addr[ETH_ALEN]; + u8 dst_addr[ETH_ALEN]; +}; + + +struct hostap_cmd_queue { + struct list_head list; + wait_queue_head_t compl; + volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type; + void (*callback)(struct net_device *dev, long context, u16 resp0, + u16 res); + long context; + u16 cmd, param0, param1; + u16 resp0, res; + volatile int issued, issuing; + + atomic_t usecnt; + int del_req; +}; + +/* options for hw_shutdown */ +#define HOSTAP_HW_NO_DISABLE BIT(0) +#define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1) + +typedef struct local_info local_info_t; + +struct prism2_helper_functions { + /* these functions are defined in hardware model specific files + * (hostap_{cs,plx,pci}.c */ + int (*card_present)(local_info_t *local); + void (*cor_sreset)(local_info_t *local); + void (*genesis_reset)(local_info_t *local, int hcr); + + /* the following functions are from hostap_hw.c, but they may have some + * hardware model specific code */ + + /* FIX: low-level commands like cmd might disappear at some point to + * make it easier to change them if needed (e.g., cmd would be replaced + * with write_mif/read_mif/testcmd/inquire); at least get_rid and + * set_rid might move to hostap_{cs,plx,pci}.c */ + int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1, + u16 *resp0); + void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs); + int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len, + int exact_len); + int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len); + int (*hw_enable)(struct net_device *dev, int initial); + int (*hw_config)(struct net_device *dev, int initial); + void (*hw_reset)(struct net_device *dev); + void (*hw_shutdown)(struct net_device *dev, int no_disable); + int (*reset_port)(struct net_device *dev); + void (*schedule_reset)(local_info_t *local); + int (*download)(local_info_t *local, + struct prism2_download_param *param); + int (*tx)(struct sk_buff *skb, struct net_device *dev); + int (*set_tim)(struct net_device *dev, int aid, int set); + const struct file_operations *read_aux_fops; + + int need_tx_headroom; /* number of bytes of headroom needed before + * IEEE 802.11 header */ + enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type; +}; + + +struct prism2_download_data { + u32 dl_cmd; + u32 start_addr; + u32 num_areas; + struct prism2_download_data_area { + u32 addr; /* wlan card address */ + u32 len; + u8 *data; /* allocated data */ + } data[0]; +}; + + +#define HOSTAP_MAX_BSS_COUNT 64 +#define MAX_WPA_IE_LEN 64 + +struct hostap_bss_info { + struct list_head list; + unsigned long last_update; + unsigned int count; + u8 bssid[ETH_ALEN]; + u16 capab_info; + u8 ssid[32]; + size_t ssid_len; + u8 wpa_ie[MAX_WPA_IE_LEN]; + size_t wpa_ie_len; + u8 rsn_ie[MAX_WPA_IE_LEN]; + size_t rsn_ie_len; + int chan; + int included; +}; + + +/* Per radio private Host AP data - shared by all net devices interfaces used + * by each radio (wlan#, wlan#ap, wlan#sta, WDS). + * ((struct hostap_interface *) netdev_priv(dev))->local points to this + * structure. */ +struct local_info { + struct module *hw_module; + int card_idx; + int dev_enabled; + int master_dev_auto_open; /* was master device opened automatically */ + int num_dev_open; /* number of open devices */ + struct net_device *dev; /* master radio device */ + struct net_device *ddev; /* main data device */ + struct list_head hostap_interfaces; /* Host AP interface list (contains + * struct hostap_interface entries) + */ + rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock + * when removing entries from the list. + * TX and RX paths can use read lock. */ + spinlock_t cmdlock, baplock, lock, irq_init_lock; + struct mutex rid_bap_mtx; + u16 infofid; /* MAC buffer id for info frame */ + /* txfid, intransmitfid, next_txtid, and next_alloc are protected by + * txfidlock */ + spinlock_t txfidlock; + int txfid_len; /* length of allocated TX buffers */ + u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */ + /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if + * corresponding txfid is free for next TX frame */ + u16 intransmitfid[PRISM2_TXFID_COUNT]; + int next_txfid; /* index to the next txfid to be checked for + * availability */ + int next_alloc; /* index to the next intransmitfid to be checked for + * allocation events */ + + /* bitfield for atomic bitops */ +#define HOSTAP_BITS_TRANSMIT 0 +#define HOSTAP_BITS_BAP_TASKLET 1 +#define HOSTAP_BITS_BAP_TASKLET2 2 + unsigned long bits; + + struct ap_data *ap; + + char essid[MAX_SSID_LEN + 1]; + char name[MAX_NAME_LEN + 1]; + int name_set; + u16 channel_mask; /* mask of allowed channels */ + u16 scan_channel_mask; /* mask of channels to be scanned */ + struct comm_tallies_sums comm_tallies; + struct proc_dir_entry *proc; + int iw_mode; /* operating mode (IW_MODE_*) */ + int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS + * 1: IW_MODE_ADHOC is "pseudo IBSS" */ + char bssid[ETH_ALEN]; + int channel; + int beacon_int; + int dtim_period; + int mtu; + int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */ + int fw_tx_rate_control; + u16 tx_rate_control; + u16 basic_rates; + int hw_resetting; + int hw_ready; + int hw_reset_tries; /* how many times reset has been tried */ + int hw_downloading; + int shutdown; + int pri_only; + int no_pri; /* no PRI f/w present */ + int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */ + + enum { + PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF, + PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN + } txpower_type; + int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */ + + /* command queue for hfa384x_cmd(); protected with cmdlock */ + struct list_head cmd_queue; + /* max_len for cmd_queue; in addition, cmd_callback can use two + * additional entries to prevent sleeping commands from stopping + * transmits */ +#define HOSTAP_CMD_QUEUE_MAX_LEN 16 + int cmd_queue_len; /* number of entries in cmd_queue */ + + /* if card timeout is detected in interrupt context, reset_queue is + * used to schedule card reseting to be done in user context */ + struct work_struct reset_queue; + + /* For scheduling a change of the promiscuous mode RID */ + int is_promisc; + struct work_struct set_multicast_list_queue; + + struct work_struct set_tim_queue; + struct list_head set_tim_list; + spinlock_t set_tim_lock; + + int wds_max_connections; + int wds_connections; +#define HOSTAP_WDS_BROADCAST_RA BIT(0) +#define HOSTAP_WDS_AP_CLIENT BIT(1) +#define HOSTAP_WDS_STANDARD_FRAME BIT(2) + u32 wds_type; + u16 tx_control; /* flags to be used in TX description */ + int manual_retry_count; /* -1 = use f/w default; otherwise retry count + * to be used with all frames */ + + struct iw_statistics wstats; + unsigned long scan_timestamp; /* Time started to scan */ + enum { + PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1, + PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3 + } monitor_type; + int monitor_allow_fcserr; + + int hostapd; /* whether user space daemon, hostapd, is used for AP + * management */ + int hostapd_sta; /* whether hostapd is used with an extra STA interface + */ + struct net_device *apdev; + struct net_device_stats apdevstats; + + char assoc_ap_addr[ETH_ALEN]; + struct net_device *stadev; + struct net_device_stats stadevstats; + +#define WEP_KEYS 4 +#define WEP_KEY_LEN 13 + struct lib80211_crypt_info crypt_info; + + int open_wep; /* allow unencrypted frames */ + int host_encrypt; + int host_decrypt; + int privacy_invoked; /* force privacy invoked flag even if no keys are + * configured */ + int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working + * in Host AP mode (STA f/w 1.4.9 or newer) */ + int bcrx_sta_key; /* use individual keys to override default keys even + * with RX of broad/multicast frames */ + + struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN]; + unsigned int frag_next_idx; + + int ieee_802_1x; /* is IEEE 802.1X used */ + + int antsel_tx, antsel_rx; + int rts_threshold; /* dot11RTSThreshold */ + int fragm_threshold; /* dot11FragmentationThreshold */ + int auth_algs; /* PRISM2_AUTH_ flags */ + + int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */ + int tallies32; /* 32-bit tallies in use */ + + struct prism2_helper_functions *func; + + u8 *pda; + int fw_ap; +#define PRISM2_FW_VER(major, minor, variant) \ +(((major) << 16) | ((minor) << 8) | variant) + u32 sta_fw_ver; + + /* Tasklets for handling hardware IRQ related operations outside hw IRQ + * handler */ + struct tasklet_struct bap_tasklet; + + struct tasklet_struct info_tasklet; + struct sk_buff_head info_list; /* info frames as skb's for + * info_tasklet */ + + struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks + */ + + struct tasklet_struct rx_tasklet; + struct sk_buff_head rx_list; + + struct tasklet_struct sta_tx_exc_tasklet; + struct sk_buff_head sta_tx_exc_list; + + int host_roaming; + unsigned long last_join_time; /* time of last JoinRequest */ + struct hfa384x_hostscan_result *last_scan_results; + int last_scan_results_count; + enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type; + struct work_struct info_queue; + unsigned long pending_info; /* bit field of pending info_queue items */ +#define PRISM2_INFO_PENDING_LINKSTATUS 0 +#define PRISM2_INFO_PENDING_SCANRESULTS 1 + int prev_link_status; /* previous received LinkStatus info */ + int prev_linkstatus_connected; + u8 preferred_ap[ETH_ALEN]; /* use this AP if possible */ + +#ifdef PRISM2_CALLBACK + void *callback_data; /* Can be used in callbacks; e.g., allocate + * on enable event and free on disable event. + * Host AP driver code does not touch this. */ +#endif /* PRISM2_CALLBACK */ + + wait_queue_head_t hostscan_wq; + + /* Passive scan in Host AP mode */ + struct timer_list passive_scan_timer; + int passive_scan_interval; /* in seconds, 0 = disabled */ + int passive_scan_channel; + enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state; + + struct timer_list tick_timer; + unsigned long last_tick_timer; + unsigned int sw_tick_stuck; + + /* commsQuality / dBmCommsQuality data from periodic polling; only + * valid for Managed and Ad-hoc modes */ + unsigned long last_comms_qual_update; + int comms_qual; /* in some odd unit.. */ + int avg_signal; /* in dB (note: negative) */ + int avg_noise; /* in dB (note: negative) */ + struct work_struct comms_qual_update; + + /* RSSI to dBm adjustment (for RX descriptor fields) */ + int rssi_to_dBm; /* subtract from RSSI to get approximate dBm value */ + + /* BSS list / protected by local->lock */ + struct list_head bss_list; + int num_bss_info; + int wpa; /* WPA support enabled */ + int tkip_countermeasures; + int drop_unencrypted; + /* Generic IEEE 802.11 info element to be added to + * ProbeResp/Beacon/(Re)AssocReq */ + u8 *generic_elem; + size_t generic_elem_len; + +#ifdef PRISM2_DOWNLOAD_SUPPORT + /* Persistent volatile download data */ + struct prism2_download_data *dl_pri; + struct prism2_download_data *dl_sec; +#endif /* PRISM2_DOWNLOAD_SUPPORT */ + +#ifdef PRISM2_IO_DEBUG +#define PRISM2_IO_DEBUG_SIZE 10000 + u32 io_debug[PRISM2_IO_DEBUG_SIZE]; + int io_debug_head; + int io_debug_enabled; +#endif /* PRISM2_IO_DEBUG */ + + /* Pointer to hardware model specific (cs,pci,plx) private data. */ + void *hw_priv; +}; + + +/* Per interface private Host AP data + * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta, + * WDS) and netdev_priv(dev) points to this structure. */ +struct hostap_interface { + struct list_head list; /* list entry in Host AP interface list */ + struct net_device *dev; /* pointer to this device */ + struct local_info *local; /* pointer to shared private data */ + struct net_device_stats stats; + struct iw_spy_data spy_data; /* iwspy support */ + struct iw_public_data wireless_data; + + enum { + HOSTAP_INTERFACE_MASTER, + HOSTAP_INTERFACE_MAIN, + HOSTAP_INTERFACE_AP, + HOSTAP_INTERFACE_STA, + HOSTAP_INTERFACE_WDS, + } type; + + union { + struct hostap_interface_wds { + u8 remote_addr[ETH_ALEN]; + } wds; + } u; +}; + + +#define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2 + +/* + * TX meta data - stored in skb->cb buffer, so this must not be increased over + * the 48-byte limit. + * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE + * TO SEE THE DAY. + */ +struct hostap_skb_tx_data { + unsigned int __padding_for_default_qdiscs; + u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */ + u8 rate; /* transmit rate */ +#define HOSTAP_TX_FLAGS_WDS BIT(0) +#define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1) +#define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2) + u8 flags; /* HOSTAP_TX_FLAGS_* */ + u16 tx_cb_idx; + struct hostap_interface *iface; + unsigned long jiffies; /* queueing timestamp */ + unsigned short ethertype; +}; + + +#ifndef PRISM2_NO_DEBUG + +#define DEBUG_FID BIT(0) +#define DEBUG_PS BIT(1) +#define DEBUG_FLOW BIT(2) +#define DEBUG_AP BIT(3) +#define DEBUG_HW BIT(4) +#define DEBUG_EXTRA BIT(5) +#define DEBUG_EXTRA2 BIT(6) +#define DEBUG_PS2 BIT(7) +#define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA) +#define PDEBUG(n, args...) \ +do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0) +#define PDEBUG2(n, args...) \ +do { if ((n) & DEBUG_MASK) printk(args); } while (0) + +#else /* PRISM2_NO_DEBUG */ + +#define PDEBUG(n, args...) +#define PDEBUG2(n, args...) + +#endif /* PRISM2_NO_DEBUG */ + +enum { BAP0 = 0, BAP1 = 1 }; + +#define PRISM2_IO_DEBUG_CMD_INB 0 +#define PRISM2_IO_DEBUG_CMD_INW 1 +#define PRISM2_IO_DEBUG_CMD_INSW 2 +#define PRISM2_IO_DEBUG_CMD_OUTB 3 +#define PRISM2_IO_DEBUG_CMD_OUTW 4 +#define PRISM2_IO_DEBUG_CMD_OUTSW 5 +#define PRISM2_IO_DEBUG_CMD_ERROR 6 +#define PRISM2_IO_DEBUG_CMD_INTERRUPT 7 + +#ifdef PRISM2_IO_DEBUG + +#define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \ +(((cmd) << 24) | ((reg) << 16) | value) + +static inline void prism2_io_debug_add(struct net_device *dev, int cmd, + int reg, int value) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + + if (!local->io_debug_enabled) + return; + + local->io_debug[local->io_debug_head] = jiffies & 0xffffffff; + if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE) + local->io_debug_head = 0; + local->io_debug[local->io_debug_head] = + PRISM2_IO_DEBUG_ENTRY(cmd, reg, value); + if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE) + local->io_debug_head = 0; +} + + +static inline void prism2_io_debug_error(struct net_device *dev, int err) +{ + struct hostap_interface *iface = netdev_priv(dev); + local_info_t *local = iface->local; + unsigned long flags; + + if (!local->io_debug_enabled) + return; + + spin_lock_irqsave(&local->lock, flags); + prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err); + if (local->io_debug_enabled == 1) { + local->io_debug_enabled = 0; + printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name); + } + spin_unlock_irqrestore(&local->lock, flags); +} + +#else /* PRISM2_IO_DEBUG */ + +static inline void prism2_io_debug_add(struct net_device *dev, int cmd, + int reg, int value) +{ +} + +static inline void prism2_io_debug_error(struct net_device *dev, int err) +{ +} + +#endif /* PRISM2_IO_DEBUG */ + + +#ifdef PRISM2_CALLBACK +enum { + /* Called when card is enabled */ + PRISM2_CALLBACK_ENABLE, + + /* Called when card is disabled */ + PRISM2_CALLBACK_DISABLE, + + /* Called when RX/TX starts/ends */ + PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END, + PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END +}; +void prism2_callback(local_info_t *local, int event); +#else /* PRISM2_CALLBACK */ +#define prism2_callback(d, e) do { } while (0) +#endif /* PRISM2_CALLBACK */ + +#endif /* __KERNEL__ */ + +#endif /* HOSTAP_WLAN_H */