#include <linux/wireless.h>
#include <linux/rtnetlink.h>
#include <linux/bitmap.h>
+#include <net/net_namespace.h>
#include <net/cfg80211.h>
#include "ieee80211_common.h"
#include "ieee80211_cfg.h"
#include "debugfs.h"
#include "debugfs_netdev.h"
-#include "debugfs_key.h"
-
-/* privid for wiphys to determine whether they belong to us or not */
-void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
-
-/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
-/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
-const unsigned char rfc1042_header[] =
- { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-
-/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-const unsigned char bridge_tunnel_header[] =
- { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
-
-/* No encapsulation header if EtherType < 0x600 (=length) */
-static const unsigned char eapol_header[] =
- { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e };
-
/*
* For seeing transmitted packets on monitor interfaces
u8 data_retries;
} __attribute__ ((packed));
+/* common interface routines */
-struct ieee80211_key_conf *
-ieee80211_key_data2conf(struct ieee80211_local *local,
- const struct ieee80211_key *data)
+static struct net_device_stats *ieee80211_get_stats(struct net_device *dev)
{
- struct ieee80211_key_conf *conf;
-
- conf = kmalloc(sizeof(*conf) + data->keylen, GFP_ATOMIC);
- if (!conf)
- return NULL;
-
- conf->hw_key_idx = data->hw_key_idx;
- conf->alg = data->alg;
- conf->keylen = data->keylen;
- conf->flags = 0;
- if (data->force_sw_encrypt)
- conf->flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT;
- conf->keyidx = data->keyidx;
- if (data->default_tx_key)
- conf->flags |= IEEE80211_KEY_DEFAULT_TX_KEY;
- if (local->default_wep_only)
- conf->flags |= IEEE80211_KEY_DEFAULT_WEP_ONLY;
- memcpy(conf->key, data->key, data->keylen);
-
- return conf;
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ return &(sdata->stats);
}
-struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata,
- int idx, size_t key_len, gfp_t flags)
+static int header_parse_80211(struct sk_buff *skb, unsigned char *haddr)
{
- struct ieee80211_key *key;
-
- key = kzalloc(sizeof(struct ieee80211_key) + key_len, flags);
- if (!key)
- return NULL;
- kref_init(&key->kref);
- return key;
+ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
+ return ETH_ALEN;
}
-static void ieee80211_key_release(struct kref *kref)
-{
- struct ieee80211_key *key;
+/* master interface */
- key = container_of(kref, struct ieee80211_key, kref);
- if (key->alg == ALG_CCMP)
- ieee80211_aes_key_free(key->u.ccmp.tfm);
- ieee80211_debugfs_key_remove(key);
- kfree(key);
-}
-
-void ieee80211_key_free(struct ieee80211_key *key)
+static int ieee80211_master_open(struct net_device *dev)
{
- if (key)
- kref_put(&key->kref, ieee80211_key_release);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata;
+ int res = -EOPNOTSUPP;
+
+ read_lock(&local->sub_if_lock);
+ list_for_each_entry(sdata, &local->sub_if_list, list) {
+ if (sdata->dev != dev && netif_running(sdata->dev)) {
+ res = 0;
+ break;
+ }
+ }
+ read_unlock(&local->sub_if_lock);
+ return res;
}
-static int rate_list_match(const int *rate_list, int rate)
+static int ieee80211_master_stop(struct net_device *dev)
{
- int i;
-
- if (!rate_list)
- return 0;
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata;
- for (i = 0; rate_list[i] >= 0; i++)
- if (rate_list[i] == rate)
- return 1;
+ read_lock(&local->sub_if_lock);
+ list_for_each_entry(sdata, &local->sub_if_list, list)
+ if (sdata->dev != dev && netif_running(sdata->dev))
+ dev_close(sdata->dev);
+ read_unlock(&local->sub_if_lock);
return 0;
}
+/* management interface */
-void ieee80211_prepare_rates(struct ieee80211_local *local,
- struct ieee80211_hw_mode *mode)
+static void
+ieee80211_fill_frame_info(struct ieee80211_local *local,
+ struct ieee80211_frame_info *fi,
+ struct ieee80211_rx_status *status)
{
- int i;
-
- for (i = 0; i < mode->num_rates; i++) {
- struct ieee80211_rate *rate = &mode->rates[i];
-
- rate->flags &= ~(IEEE80211_RATE_SUPPORTED |
- IEEE80211_RATE_BASIC);
-
- if (local->supp_rates[mode->mode]) {
- if (!rate_list_match(local->supp_rates[mode->mode],
- rate->rate))
- continue;
- }
-
- rate->flags |= IEEE80211_RATE_SUPPORTED;
+ if (status) {
+ struct timespec ts;
+ struct ieee80211_rate *rate;
- /* Use configured basic rate set if it is available. If not,
- * use defaults that are sane for most cases. */
- if (local->basic_rates[mode->mode]) {
- if (rate_list_match(local->basic_rates[mode->mode],
- rate->rate))
- rate->flags |= IEEE80211_RATE_BASIC;
- } else switch (mode->mode) {
+ jiffies_to_timespec(jiffies, &ts);
+ fi->hosttime = cpu_to_be64((u64) ts.tv_sec * 1000000 +
+ ts.tv_nsec / 1000);
+ fi->mactime = cpu_to_be64(status->mactime);
+ switch (status->phymode) {
case MODE_IEEE80211A:
- if (rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_BASIC;
+ fi->phytype = htonl(ieee80211_phytype_ofdm_dot11_a);
break;
case MODE_IEEE80211B:
- if (rate->rate == 10 || rate->rate == 20)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case MODE_ATHEROS_TURBO:
- if (rate->rate == 120 || rate->rate == 240 ||
- rate->rate == 480)
- rate->flags |= IEEE80211_RATE_BASIC;
+ fi->phytype = htonl(ieee80211_phytype_dsss_dot11_b);
break;
case MODE_IEEE80211G:
- if (rate->rate == 10 || rate->rate == 20 ||
- rate->rate == 55 || rate->rate == 110)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- }
-
- /* Set ERP and MANDATORY flags based on phymode */
- switch (mode->mode) {
- case MODE_IEEE80211A:
- if (rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- break;
- case MODE_IEEE80211B:
- if (rate->rate == 10)
- rate->flags |= IEEE80211_RATE_MANDATORY;
+ fi->phytype = htonl(ieee80211_phytype_pbcc_dot11_g);
break;
case MODE_ATHEROS_TURBO:
+ fi->phytype =
+ htonl(ieee80211_phytype_dsss_dot11_turbo);
break;
- case MODE_IEEE80211G:
- if (rate->rate == 10 || rate->rate == 20 ||
- rate->rate == 55 || rate->rate == 110 ||
- rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_MANDATORY;
+ default:
+ fi->phytype = htonl(0xAAAAAAAA);
break;
}
- if (ieee80211_is_erp_rate(mode->mode, rate->rate))
- rate->flags |= IEEE80211_RATE_ERP;
+ fi->channel = htonl(status->channel);
+ rate = ieee80211_get_rate(local, status->phymode,
+ status->rate);
+ if (rate) {
+ fi->datarate = htonl(rate->rate);
+ if (rate->flags & IEEE80211_RATE_PREAMBLE2) {
+ if (status->rate == rate->val)
+ fi->preamble = htonl(2); /* long */
+ else if (status->rate == rate->val2)
+ fi->preamble = htonl(1); /* short */
+ } else
+ fi->preamble = htonl(0);
+ } else {
+ fi->datarate = htonl(0);
+ fi->preamble = htonl(0);
+ }
+
+ fi->antenna = htonl(status->antenna);
+ fi->priority = htonl(0xffffffff); /* no clue */
+ fi->ssi_type = htonl(ieee80211_ssi_raw);
+ fi->ssi_signal = htonl(status->ssi);
+ fi->ssi_noise = 0x00000000;
+ fi->encoding = 0;
+ } else {
+ /* clear everything because we really don't know.
+ * the msg_type field isn't present on monitor frames
+ * so we don't know whether it will be present or not,
+ * but it's ok to not clear it since it'll be assigned
+ * anyway */
+ memset(fi, 0, sizeof(*fi) - sizeof(fi->msg_type));
+
+ fi->ssi_type = htonl(ieee80211_ssi_none);
}
+ fi->version = htonl(IEEE80211_FI_VERSION);
+ fi->length = cpu_to_be32(sizeof(*fi) - sizeof(fi->msg_type));
}
+/* this routine is actually not just for this, but also
+ * for pushing fake 'management' frames into userspace.
+ * it shall be replaced by a netlink-based system. */
+void
+ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
+ struct ieee80211_rx_status *status, u32 msg_type)
+{
+ struct ieee80211_frame_info *fi;
+ const size_t hlen = sizeof(struct ieee80211_frame_info);
+ struct ieee80211_sub_if_data *sdata;
+
+ skb->dev = local->apdev;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(local->apdev);
+
+ if (skb_headroom(skb) < hlen) {
+ I802_DEBUG_INC(local->rx_expand_skb_head);
+ if (pskb_expand_head(skb, hlen, 0, GFP_ATOMIC)) {
+ dev_kfree_skb(skb);
+ return;
+ }
+ }
+
+ fi = (struct ieee80211_frame_info *) skb_push(skb, hlen);
+
+ ieee80211_fill_frame_info(local, fi, status);
+ fi->msg_type = htonl(msg_type);
+
+ sdata->stats.rx_packets++;
+ sdata->stats.rx_bytes += skb->len;
+
+ skb_set_mac_header(skb, 0);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+}
void ieee80211_key_threshold_notify(struct net_device *dev,
struct ieee80211_key *key,
ieee80211_msg_key_threshold_notification);
}
-
-u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len)
-{
- u16 fc;
-
- if (len < 24)
- return NULL;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- switch (fc & IEEE80211_FCTL_FTYPE) {
- case IEEE80211_FTYPE_DATA:
- switch (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
- case IEEE80211_FCTL_TODS:
- return hdr->addr1;
- case (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
- return NULL;
- case IEEE80211_FCTL_FROMDS:
- return hdr->addr2;
- case 0:
- return hdr->addr3;
- }
- break;
- case IEEE80211_FTYPE_MGMT:
- return hdr->addr3;
- case IEEE80211_FTYPE_CTL:
- if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)
- return hdr->addr1;
- else
- return NULL;
- }
-
- return NULL;
-}
-
-int ieee80211_get_hdrlen(u16 fc)
-{
- int hdrlen = 24;
-
- switch (fc & IEEE80211_FCTL_FTYPE) {
- case IEEE80211_FTYPE_DATA:
- if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
- hdrlen = 30; /* Addr4 */
- /*
- * The QoS Control field is two bytes and its presence is
- * indicated by the IEEE80211_STYPE_QOS_DATA bit. Add 2 to
- * hdrlen if that bit is set.
- * This works by masking out the bit and shifting it to
- * bit position 1 so the result has the value 0 or 2.
- */
- hdrlen += (fc & IEEE80211_STYPE_QOS_DATA)
- >> (ilog2(IEEE80211_STYPE_QOS_DATA)-1);
- break;
- case IEEE80211_FTYPE_CTL:
- /*
- * ACK and CTS are 10 bytes, all others 16. To see how
- * to get this condition consider
- * subtype mask: 0b0000000011110000 (0x00F0)
- * ACK subtype: 0b0000000011010000 (0x00D0)
- * CTS subtype: 0b0000000011000000 (0x00C0)
- * bits that matter: ^^^ (0x00E0)
- * value of those: 0b0000000011000000 (0x00C0)
- */
- if ((fc & 0xE0) == 0xC0)
- hdrlen = 10;
- else
- hdrlen = 16;
- break;
- }
-
- return hdrlen;
-}
-EXPORT_SYMBOL(ieee80211_get_hdrlen);
-
-int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb)
-{
- const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) skb->data;
- int hdrlen;
-
- if (unlikely(skb->len < 10))
- return 0;
- hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
- if (unlikely(hdrlen > skb->len))
- return 0;
- return hdrlen;
-}
-EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb);
-
-
-int ieee80211_is_eapol(const struct sk_buff *skb)
-{
- const struct ieee80211_hdr *hdr;
- u16 fc;
- int hdrlen;
-
- if (unlikely(skb->len < 10))
- return 0;
-
- hdr = (const struct ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
-
- if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
- return 0;
-
- hdrlen = ieee80211_get_hdrlen(fc);
-
- if (unlikely(skb->len >= hdrlen + sizeof(eapol_header) &&
- memcmp(skb->data + hdrlen, eapol_header,
- sizeof(eapol_header)) == 0))
- return 1;
-
- return 0;
-}
-
-
-void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
-
- hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- if (tx->u.tx.extra_frag) {
- struct ieee80211_hdr *fhdr;
- int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- fhdr = (struct ieee80211_hdr *)
- tx->u.tx.extra_frag[i]->data;
- fhdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- }
- }
-}
-
-
-static int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
- int rate, int erp, int short_preamble)
-{
- int dur;
-
- /* calculate duration (in microseconds, rounded up to next higher
- * integer if it includes a fractional microsecond) to send frame of
- * len bytes (does not include FCS) at the given rate. Duration will
- * also include SIFS.
- *
- * rate is in 100 kbps, so divident is multiplied by 10 in the
- * DIV_ROUND_UP() operations.
- */
-
- if (local->hw.conf.phymode == MODE_IEEE80211A || erp ||
- local->hw.conf.phymode == MODE_ATHEROS_TURBO) {
- /*
- * OFDM:
- *
- * N_DBPS = DATARATE x 4
- * N_SYM = Ceiling((16+8xLENGTH+6) / N_DBPS)
- * (16 = SIGNAL time, 6 = tail bits)
- * TXTIME = T_PREAMBLE + T_SIGNAL + T_SYM x N_SYM + Signal Ext
- *
- * T_SYM = 4 usec
- * 802.11a - 17.5.2: aSIFSTime = 16 usec
- * 802.11g - 19.8.4: aSIFSTime = 10 usec +
- * signal ext = 6 usec
- */
- /* FIX: Atheros Turbo may have different (shorter) duration? */
- dur = 16; /* SIFS + signal ext */
- dur += 16; /* 17.3.2.3: T_PREAMBLE = 16 usec */
- dur += 4; /* 17.3.2.3: T_SIGNAL = 4 usec */
- dur += 4 * DIV_ROUND_UP((16 + 8 * (len + 4) + 6) * 10,
- 4 * rate); /* T_SYM x N_SYM */
- } else {
- /*
- * 802.11b or 802.11g with 802.11b compatibility:
- * 18.3.4: TXTIME = PreambleLength + PLCPHeaderTime +
- * Ceiling(((LENGTH+PBCC)x8)/DATARATE). PBCC=0.
- *
- * 802.11 (DS): 15.3.3, 802.11b: 18.3.4
- * aSIFSTime = 10 usec
- * aPreambleLength = 144 usec or 72 usec with short preamble
- * aPLCPHeaderLength = 48 usec or 24 usec with short preamble
- */
- dur = 10; /* aSIFSTime = 10 usec */
- dur += short_preamble ? (72 + 24) : (144 + 48);
-
- dur += DIV_ROUND_UP(8 * (len + 4) * 10, rate);
- }
-
- return dur;
-}
-
-
-/* Exported duration function for driver use */
-__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
- size_t frame_len, int rate)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- u16 dur;
- int erp;
-
- erp = ieee80211_is_erp_rate(hw->conf.phymode, rate);
- dur = ieee80211_frame_duration(local, frame_len, rate,
- erp, local->short_preamble);
-
- return cpu_to_le16(dur);
-}
-EXPORT_SYMBOL(ieee80211_generic_frame_duration);
-
-
-__le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
- size_t frame_len,
- const struct ieee80211_tx_control *frame_txctl)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_rate *rate;
- int short_preamble = local->short_preamble;
- int erp;
- u16 dur;
-
- rate = frame_txctl->rts_rate;
- erp = !!(rate->flags & IEEE80211_RATE_ERP);
-
- /* CTS duration */
- dur = ieee80211_frame_duration(local, 10, rate->rate,
- erp, short_preamble);
- /* Data frame duration */
- dur += ieee80211_frame_duration(local, frame_len, rate->rate,
- erp, short_preamble);
- /* ACK duration */
- dur += ieee80211_frame_duration(local, 10, rate->rate,
- erp, short_preamble);
-
- return cpu_to_le16(dur);
-}
-EXPORT_SYMBOL(ieee80211_rts_duration);
-
-
-__le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
- size_t frame_len,
- const struct ieee80211_tx_control *frame_txctl)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_rate *rate;
- int short_preamble = local->short_preamble;
- int erp;
- u16 dur;
-
- rate = frame_txctl->rts_rate;
- erp = !!(rate->flags & IEEE80211_RATE_ERP);
-
- /* Data frame duration */
- dur = ieee80211_frame_duration(local, frame_len, rate->rate,
- erp, short_preamble);
- if (!(frame_txctl->flags & IEEE80211_TXCTL_NO_ACK)) {
- /* ACK duration */
- dur += ieee80211_frame_duration(local, 10, rate->rate,
- erp, short_preamble);
- }
-
- return cpu_to_le16(dur);
-}
-EXPORT_SYMBOL(ieee80211_ctstoself_duration);
-
-static int __ieee80211_if_config(struct net_device *dev,
- struct sk_buff *beacon,
- struct ieee80211_tx_control *control)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_if_conf conf;
- static u8 scan_bssid[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
- if (!local->ops->config_interface || !netif_running(dev))
- return 0;
-
- memset(&conf, 0, sizeof(conf));
- conf.type = sdata->type;
- if (sdata->type == IEEE80211_IF_TYPE_STA ||
- sdata->type == IEEE80211_IF_TYPE_IBSS) {
- if (local->sta_scanning &&
- local->scan_dev == dev)
- conf.bssid = scan_bssid;
- else
- conf.bssid = sdata->u.sta.bssid;
- conf.ssid = sdata->u.sta.ssid;
- conf.ssid_len = sdata->u.sta.ssid_len;
- conf.generic_elem = sdata->u.sta.extra_ie;
- conf.generic_elem_len = sdata->u.sta.extra_ie_len;
- } else if (sdata->type == IEEE80211_IF_TYPE_AP) {
- conf.ssid = sdata->u.ap.ssid;
- conf.ssid_len = sdata->u.ap.ssid_len;
- conf.generic_elem = sdata->u.ap.generic_elem;
- conf.generic_elem_len = sdata->u.ap.generic_elem_len;
- conf.beacon = beacon;
- conf.beacon_control = control;
- }
- return local->ops->config_interface(local_to_hw(local),
- dev->ifindex, &conf);
-}
-
-int ieee80211_if_config(struct net_device *dev)
-{
- return __ieee80211_if_config(dev, NULL, NULL);
-}
-
-int ieee80211_if_config_beacon(struct net_device *dev)
+static int ieee80211_mgmt_open(struct net_device *dev)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_tx_control control;
- struct sk_buff *skb;
- if (!(local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE))
- return 0;
- skb = ieee80211_beacon_get(local_to_hw(local), dev->ifindex, &control);
- if (!skb)
- return -ENOMEM;
- return __ieee80211_if_config(dev, skb, &control);
-}
-
-int ieee80211_hw_config(struct ieee80211_local *local)
-{
- struct ieee80211_hw_mode *mode;
- struct ieee80211_channel *chan;
- int ret = 0;
-
- if (local->sta_scanning) {
- chan = local->scan_channel;
- mode = local->scan_hw_mode;
- } else {
- chan = local->oper_channel;
- mode = local->oper_hw_mode;
- }
-
- local->hw.conf.channel = chan->chan;
- local->hw.conf.channel_val = chan->val;
- local->hw.conf.power_level = chan->power_level;
- local->hw.conf.freq = chan->freq;
- local->hw.conf.phymode = mode->mode;
- local->hw.conf.antenna_max = chan->antenna_max;
- local->hw.conf.chan = chan;
- local->hw.conf.mode = mode;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "HW CONFIG: channel=%d freq=%d "
- "phymode=%d\n", local->hw.conf.channel, local->hw.conf.freq,
- local->hw.conf.phymode);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
-
- if (local->ops->config)
- ret = local->ops->config(local_to_hw(local), &local->hw.conf);
-
- return ret;
+ if (!netif_running(local->mdev))
+ return -EOPNOTSUPP;
+ return 0;
}
-
-static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
+static int ieee80211_mgmt_stop(struct net_device *dev)
{
- /* FIX: what would be proper limits for MTU?
- * This interface uses 802.3 frames. */
- if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6) {
- printk(KERN_WARNING "%s: invalid MTU %d\n",
- dev->name, new_mtu);
- return -EINVAL;
- }
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
- dev->mtu = new_mtu;
return 0;
}
-
static int ieee80211_change_mtu_apdev(struct net_device *dev, int new_mtu)
{
/* FIX: what would be proper limits for MTU?
return 0;
}
-enum netif_tx_lock_class {
- TX_LOCK_NORMAL,
- TX_LOCK_MASTER,
-};
-
-static inline void netif_tx_lock_nested(struct net_device *dev, int subclass)
-{
- spin_lock_nested(&dev->_xmit_lock, subclass);
- dev->xmit_lock_owner = smp_processor_id();
-}
-
-static void ieee80211_set_multicast_list(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- unsigned short flags;
-
- netif_tx_lock_nested(local->mdev, TX_LOCK_MASTER);
- if (((dev->flags & IFF_ALLMULTI) != 0) ^ (sdata->allmulti != 0)) {
- if (sdata->allmulti) {
- sdata->allmulti = 0;
- local->iff_allmultis--;
- } else {
- sdata->allmulti = 1;
- local->iff_allmultis++;
- }
- }
- if (((dev->flags & IFF_PROMISC) != 0) ^ (sdata->promisc != 0)) {
- if (sdata->promisc) {
- sdata->promisc = 0;
- local->iff_promiscs--;
- } else {
- sdata->promisc = 1;
- local->iff_promiscs++;
- }
- }
- if (dev->mc_count != sdata->mc_count) {
- local->mc_count = local->mc_count - sdata->mc_count +
- dev->mc_count;
- sdata->mc_count = dev->mc_count;
- }
- if (local->ops->set_multicast_list) {
- flags = local->mdev->flags;
- if (local->iff_allmultis)
- flags |= IFF_ALLMULTI;
- if (local->iff_promiscs)
- flags |= IFF_PROMISC;
- read_lock(&local->sub_if_lock);
- local->ops->set_multicast_list(local_to_hw(local), flags,
- local->mc_count);
- read_unlock(&local->sub_if_lock);
- }
- netif_tx_unlock(local->mdev);
-}
-
-struct dev_mc_list *ieee80211_get_mc_list_item(struct ieee80211_hw *hw,
- struct dev_mc_list *prev,
- void **ptr)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_sub_if_data *sdata = *ptr;
- struct dev_mc_list *mc;
-
- if (!prev) {
- WARN_ON(sdata);
- sdata = NULL;
- }
- if (!prev || !prev->next) {
- if (sdata)
- sdata = list_entry(sdata->list.next,
- struct ieee80211_sub_if_data, list);
- else
- sdata = list_entry(local->sub_if_list.next,
- struct ieee80211_sub_if_data, list);
- if (&sdata->list != &local->sub_if_list)
- mc = sdata->dev->mc_list;
- else
- mc = NULL;
- } else
- mc = prev->next;
-
- *ptr = sdata;
- return mc;
-}
-EXPORT_SYMBOL(ieee80211_get_mc_list_item);
-
-static struct net_device_stats *ieee80211_get_stats(struct net_device *dev)
+void ieee80211_if_mgmt_setup(struct net_device *dev)
{
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- return &(sdata->stats);
+ ether_setup(dev);
+ dev->hard_start_xmit = ieee80211_mgmt_start_xmit;
+ dev->change_mtu = ieee80211_change_mtu_apdev;
+ dev->get_stats = ieee80211_get_stats;
+ dev->open = ieee80211_mgmt_open;
+ dev->stop = ieee80211_mgmt_stop;
+ dev->type = ARPHRD_IEEE80211_PRISM;
+ dev->hard_header_parse = header_parse_80211;
+ dev->uninit = ieee80211_if_reinit;
+ dev->destructor = ieee80211_if_free;
}
-static void ieee80211_if_shutdown(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- ASSERT_RTNL();
- switch (sdata->type) {
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- sdata->u.sta.state = IEEE80211_DISABLED;
- del_timer_sync(&sdata->u.sta.timer);
- skb_queue_purge(&sdata->u.sta.skb_queue);
- if (!local->ops->hw_scan &&
- local->scan_dev == sdata->dev) {
- local->sta_scanning = 0;
- cancel_delayed_work(&local->scan_work);
- }
- flush_workqueue(local->hw.workqueue);
- break;
+/* regular interfaces */
+
+static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
+{
+ /* FIX: what would be proper limits for MTU?
+ * This interface uses 802.3 frames. */
+ if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6) {
+ printk(KERN_WARNING "%s: invalid MTU %d\n",
+ dev->name, new_mtu);
+ return -EINVAL;
}
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+ dev->mtu = new_mtu;
+ return 0;
}
static inline int identical_mac_addr_allowed(int type1, int type2)
type2 == IEEE80211_IF_TYPE_VLAN)));
}
-static int ieee80211_master_open(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata;
- int res = -EOPNOTSUPP;
-
- read_lock(&local->sub_if_lock);
- list_for_each_entry(sdata, &local->sub_if_list, list) {
- if (sdata->dev != dev && netif_running(sdata->dev)) {
- res = 0;
- break;
- }
- }
- read_unlock(&local->sub_if_lock);
- return res;
-}
-
-static int ieee80211_master_stop(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata;
-
- read_lock(&local->sub_if_lock);
- list_for_each_entry(sdata, &local->sub_if_list, list)
- if (sdata->dev != dev && netif_running(sdata->dev))
- dev_close(sdata->dev);
- read_unlock(&local->sub_if_lock);
-
- return 0;
-}
-
-static int ieee80211_mgmt_open(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
- if (!netif_running(local->mdev))
- return -EOPNOTSUPP;
- return 0;
-}
-
-static int ieee80211_mgmt_stop(struct net_device *dev)
-{
- return 0;
-}
-
/* Check if running monitor interfaces should go to a "soft monitor" mode
* and switch them if necessary. */
static inline void ieee80211_start_soft_monitor(struct ieee80211_local *local)
}
}
+static void ieee80211_if_open(struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+ break;
+ }
+}
+
static int ieee80211_open(struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata, *nsdata;
local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
return 0;
}
+ ieee80211_if_open(dev);
ieee80211_start_soft_monitor(local);
conf.if_id = dev->ifindex;
conf.type = sdata->type;
- conf.mac_addr = dev->dev_addr;
+ if (sdata->type == IEEE80211_IF_TYPE_MNTR)
+ conf.mac_addr = NULL;
+ else
+ conf.mac_addr = dev->dev_addr;
res = local->ops->add_interface(local_to_hw(local), &conf);
if (res) {
if (sdata->type == IEEE80211_IF_TYPE_MNTR)
if (sdata->type == IEEE80211_IF_TYPE_MNTR) {
local->monitors++;
local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
- } else
+ } else {
ieee80211_if_config(dev);
+ ieee80211_reset_erp_info(dev);
+ ieee80211_enable_keys(sdata);
+ }
if (sdata->type == IEEE80211_IF_TYPE_STA &&
!local->user_space_mlme)
return 0;
}
+static void ieee80211_if_shutdown(struct net_device *dev)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ ASSERT_RTNL();
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ sdata->u.sta.state = IEEE80211_DISABLED;
+ del_timer_sync(&sdata->u.sta.timer);
+ /*
+ * Holding the sub_if_lock for writing here blocks
+ * out the receive path and makes sure it's not
+ * currently processing a packet that may get
+ * added to the queue.
+ */
+ write_lock_bh(&local->sub_if_lock);
+ skb_queue_purge(&sdata->u.sta.skb_queue);
+ write_unlock_bh(&local->sub_if_lock);
+
+ if (!local->ops->hw_scan &&
+ local->scan_dev == sdata->dev) {
+ local->sta_scanning = 0;
+ cancel_delayed_work(&local->scan_work);
+ }
+ flush_workqueue(local->hw.workqueue);
+ break;
+ }
+}
static int ieee80211_stop(struct net_device *dev)
{
local->monitors--;
if (!local->monitors)
local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
+ } else {
+ /* disable all keys for as long as this netdev is down */
+ ieee80211_disable_keys(sdata);
}
local->open_count--;
return 0;
}
+enum netif_tx_lock_class {
+ TX_LOCK_NORMAL,
+ TX_LOCK_MASTER,
+};
-static int header_parse_80211(struct sk_buff *skb, unsigned char *haddr)
+static inline void netif_tx_lock_nested(struct net_device *dev, int subclass)
{
- memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
- return ETH_ALEN;
+ spin_lock_nested(&dev->_xmit_lock, subclass);
+ dev->xmit_lock_owner = smp_processor_id();
}
-struct ieee80211_rate *
-ieee80211_get_rate(struct ieee80211_local *local, int phymode, int hw_rate)
+static void ieee80211_set_multicast_list(struct net_device *dev)
{
- struct ieee80211_hw_mode *mode;
- int r;
-
- list_for_each_entry(mode, &local->modes_list, list) {
- if (mode->mode != phymode)
- continue;
- for (r = 0; r < mode->num_rates; r++) {
- struct ieee80211_rate *rate = &mode->rates[r];
- if (rate->val == hw_rate ||
- (rate->flags & IEEE80211_RATE_PREAMBLE2 &&
- rate->val2 == hw_rate))
- return rate;
- }
- }
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ unsigned short flags;
- return NULL;
+ netif_tx_lock_nested(local->mdev, TX_LOCK_MASTER);
+ if (((dev->flags & IFF_ALLMULTI) != 0) ^
+ ((sdata->flags & IEEE80211_SDATA_ALLMULTI) != 0)) {
+ if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
+ local->iff_allmultis--;
+ else
+ local->iff_allmultis++;
+ sdata->flags ^= IEEE80211_SDATA_ALLMULTI;
+ }
+ if (((dev->flags & IFF_PROMISC) != 0) ^
+ ((sdata->flags & IEEE80211_SDATA_PROMISC) != 0)) {
+ if (sdata->flags & IEEE80211_SDATA_PROMISC)
+ local->iff_promiscs--;
+ else
+ local->iff_promiscs++;
+ sdata->flags ^= IEEE80211_SDATA_PROMISC;
+ }
+ if (dev->mc_count != sdata->mc_count) {
+ local->mc_count = local->mc_count - sdata->mc_count +
+ dev->mc_count;
+ sdata->mc_count = dev->mc_count;
+ }
+ if (local->ops->set_multicast_list) {
+ flags = local->mdev->flags;
+ if (local->iff_allmultis)
+ flags |= IFF_ALLMULTI;
+ if (local->iff_promiscs)
+ flags |= IFF_PROMISC;
+ read_lock(&local->sub_if_lock);
+ local->ops->set_multicast_list(local_to_hw(local), flags,
+ local->mc_count);
+ read_unlock(&local->sub_if_lock);
+ }
+ netif_tx_unlock(local->mdev);
}
-static void
-ieee80211_fill_frame_info(struct ieee80211_local *local,
- struct ieee80211_frame_info *fi,
- struct ieee80211_rx_status *status)
+/* Must not be called for mdev and apdev */
+void ieee80211_if_setup(struct net_device *dev)
{
- if (status) {
- struct timespec ts;
- struct ieee80211_rate *rate;
-
- jiffies_to_timespec(jiffies, &ts);
- fi->hosttime = cpu_to_be64((u64) ts.tv_sec * 1000000 +
- ts.tv_nsec / 1000);
- fi->mactime = cpu_to_be64(status->mactime);
- switch (status->phymode) {
- case MODE_IEEE80211A:
- fi->phytype = htonl(ieee80211_phytype_ofdm_dot11_a);
- break;
- case MODE_IEEE80211B:
- fi->phytype = htonl(ieee80211_phytype_dsss_dot11_b);
- break;
- case MODE_IEEE80211G:
- fi->phytype = htonl(ieee80211_phytype_pbcc_dot11_g);
- break;
- case MODE_ATHEROS_TURBO:
- fi->phytype =
- htonl(ieee80211_phytype_dsss_dot11_turbo);
- break;
- default:
- fi->phytype = htonl(0xAAAAAAAA);
- break;
- }
- fi->channel = htonl(status->channel);
- rate = ieee80211_get_rate(local, status->phymode,
- status->rate);
- if (rate) {
- fi->datarate = htonl(rate->rate);
- if (rate->flags & IEEE80211_RATE_PREAMBLE2) {
- if (status->rate == rate->val)
- fi->preamble = htonl(2); /* long */
- else if (status->rate == rate->val2)
- fi->preamble = htonl(1); /* short */
- } else
- fi->preamble = htonl(0);
- } else {
- fi->datarate = htonl(0);
- fi->preamble = htonl(0);
- }
-
- fi->antenna = htonl(status->antenna);
- fi->priority = htonl(0xffffffff); /* no clue */
- fi->ssi_type = htonl(ieee80211_ssi_raw);
- fi->ssi_signal = htonl(status->ssi);
- fi->ssi_noise = 0x00000000;
- fi->encoding = 0;
- } else {
- /* clear everything because we really don't know.
- * the msg_type field isn't present on monitor frames
- * so we don't know whether it will be present or not,
- * but it's ok to not clear it since it'll be assigned
- * anyway */
- memset(fi, 0, sizeof(*fi) - sizeof(fi->msg_type));
-
- fi->ssi_type = htonl(ieee80211_ssi_none);
- }
- fi->version = htonl(IEEE80211_FI_VERSION);
- fi->length = cpu_to_be32(sizeof(*fi) - sizeof(fi->msg_type));
+ ether_setup(dev);
+ dev->hard_start_xmit = ieee80211_subif_start_xmit;
+ dev->wireless_handlers = &ieee80211_iw_handler_def;
+ dev->set_multicast_list = ieee80211_set_multicast_list;
+ dev->change_mtu = ieee80211_change_mtu;
+ dev->get_stats = ieee80211_get_stats;
+ dev->open = ieee80211_open;
+ dev->stop = ieee80211_stop;
+ dev->uninit = ieee80211_if_reinit;
+ dev->destructor = ieee80211_if_free;
}
-/* this routine is actually not just for this, but also
- * for pushing fake 'management' frames into userspace.
- * it shall be replaced by a netlink-based system. */
-void
-ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_rx_status *status, u32 msg_type)
+/* WDS specialties */
+
+int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr)
{
- struct ieee80211_frame_info *fi;
- const size_t hlen = sizeof(struct ieee80211_frame_info);
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct sta_info *sta;
- skb->dev = local->apdev;
+ if (compare_ether_addr(remote_addr, sdata->u.wds.remote_addr) == 0)
+ return 0;
- sdata = IEEE80211_DEV_TO_SUB_IF(local->apdev);
+ /* Create STA entry for the new peer */
+ sta = sta_info_add(local, dev, remote_addr, GFP_KERNEL);
+ if (!sta)
+ return -ENOMEM;
+ sta_info_put(sta);
- if (skb_headroom(skb) < hlen) {
- I802_DEBUG_INC(local->rx_expand_skb_head);
- if (pskb_expand_head(skb, hlen, 0, GFP_ATOMIC)) {
- dev_kfree_skb(skb);
- return;
- }
+ /* Remove STA entry for the old peer */
+ sta = sta_info_get(local, sdata->u.wds.remote_addr);
+ if (sta) {
+ sta_info_free(sta);
+ sta_info_put(sta);
+ } else {
+ printk(KERN_DEBUG "%s: could not find STA entry for WDS link "
+ "peer " MAC_FMT "\n",
+ dev->name, MAC_ARG(sdata->u.wds.remote_addr));
}
- fi = (struct ieee80211_frame_info *) skb_push(skb, hlen);
+ /* Update WDS link data */
+ memcpy(&sdata->u.wds.remote_addr, remote_addr, ETH_ALEN);
- ieee80211_fill_frame_info(local, fi, status);
- fi->msg_type = htonl(msg_type);
+ return 0;
+}
- sdata->stats.rx_packets++;
- sdata->stats.rx_bytes += skb->len;
+/* everything else */
- skb_set_mac_header(skb, 0);
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = htons(ETH_P_802_2);
- memset(skb->cb, 0, sizeof(skb->cb));
- netif_rx(skb);
+static int __ieee80211_if_config(struct net_device *dev,
+ struct sk_buff *beacon,
+ struct ieee80211_tx_control *control)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_if_conf conf;
+ static u8 scan_bssid[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+ if (!local->ops->config_interface || !netif_running(dev))
+ return 0;
+
+ memset(&conf, 0, sizeof(conf));
+ conf.type = sdata->type;
+ if (sdata->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ if (local->sta_scanning &&
+ local->scan_dev == dev)
+ conf.bssid = scan_bssid;
+ else
+ conf.bssid = sdata->u.sta.bssid;
+ conf.ssid = sdata->u.sta.ssid;
+ conf.ssid_len = sdata->u.sta.ssid_len;
+ conf.generic_elem = sdata->u.sta.extra_ie;
+ conf.generic_elem_len = sdata->u.sta.extra_ie_len;
+ } else if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ conf.ssid = sdata->u.ap.ssid;
+ conf.ssid_len = sdata->u.ap.ssid_len;
+ conf.generic_elem = sdata->u.ap.generic_elem;
+ conf.generic_elem_len = sdata->u.ap.generic_elem_len;
+ conf.beacon = beacon;
+ conf.beacon_control = control;
+ }
+ return local->ops->config_interface(local_to_hw(local),
+ dev->ifindex, &conf);
+}
+
+int ieee80211_if_config(struct net_device *dev)
+{
+ return __ieee80211_if_config(dev, NULL, NULL);
}
-int ieee80211_radar_status(struct ieee80211_hw *hw, int channel,
- int radar, int radar_type)
+int ieee80211_if_config_beacon(struct net_device *dev)
{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_tx_control control;
struct sk_buff *skb;
- struct ieee80211_radar_info *msg;
- struct ieee80211_local *local = hw_to_local(hw);
- if (!local->apdev)
+ if (!(local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE))
return 0;
-
- skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) +
- sizeof(struct ieee80211_radar_info));
-
+ skb = ieee80211_beacon_get(local_to_hw(local), dev->ifindex, &control);
if (!skb)
return -ENOMEM;
- skb_reserve(skb, sizeof(struct ieee80211_frame_info));
+ return __ieee80211_if_config(dev, skb, &control);
+}
- msg = (struct ieee80211_radar_info *)
- skb_put(skb, sizeof(struct ieee80211_radar_info));
- msg->channel = channel;
- msg->radar = radar;
- msg->radar_type = radar_type;
+int ieee80211_hw_config(struct ieee80211_local *local)
+{
+ struct ieee80211_hw_mode *mode;
+ struct ieee80211_channel *chan;
+ int ret = 0;
- ieee80211_rx_mgmt(local, skb, NULL, ieee80211_msg_radar);
- return 0;
+ if (local->sta_scanning) {
+ chan = local->scan_channel;
+ mode = local->scan_hw_mode;
+ } else {
+ chan = local->oper_channel;
+ mode = local->oper_hw_mode;
+ }
+
+ local->hw.conf.channel = chan->chan;
+ local->hw.conf.channel_val = chan->val;
+ local->hw.conf.power_level = chan->power_level;
+ local->hw.conf.freq = chan->freq;
+ local->hw.conf.phymode = mode->mode;
+ local->hw.conf.antenna_max = chan->antenna_max;
+ local->hw.conf.chan = chan;
+ local->hw.conf.mode = mode;
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "HW CONFIG: channel=%d freq=%d "
+ "phymode=%d\n", local->hw.conf.channel, local->hw.conf.freq,
+ local->hw.conf.phymode);
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+
+ if (local->ops->config)
+ ret = local->ops->config(local_to_hw(local), &local->hw.conf);
+
+ return ret;
}
-EXPORT_SYMBOL(ieee80211_radar_status);
+void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ if (local->ops->erp_ie_changed)
+ local->ops->erp_ie_changed(local_to_hw(local), changes,
+ !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION),
+ !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE));
+}
-static void ieee80211_stat_refresh(unsigned long data)
+void ieee80211_reset_erp_info(struct net_device *dev)
{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- struct sta_info *sta;
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (!local->stat_time)
- return;
+ sdata->flags &= ~(IEEE80211_SDATA_USE_PROTECTION |
+ IEEE80211_SDATA_SHORT_PREAMBLE);
+ ieee80211_erp_info_change_notify(dev,
+ IEEE80211_ERP_CHANGE_PROTECTION |
+ IEEE80211_ERP_CHANGE_PREAMBLE);
+}
- /* go through all stations */
- spin_lock_bh(&local->sta_lock);
- list_for_each_entry(sta, &local->sta_list, list) {
- sta->channel_use = (sta->channel_use_raw / local->stat_time) /
- CHAN_UTIL_PER_10MS;
- sta->channel_use_raw = 0;
- }
- spin_unlock_bh(&local->sta_lock);
+struct dev_mc_list *ieee80211_get_mc_list_item(struct ieee80211_hw *hw,
+ struct dev_mc_list *prev,
+ void **ptr)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_sub_if_data *sdata = *ptr;
+ struct dev_mc_list *mc;
- /* go through all subinterfaces */
- read_lock(&local->sub_if_lock);
- list_for_each_entry(sdata, &local->sub_if_list, list) {
- sdata->channel_use = (sdata->channel_use_raw /
- local->stat_time) / CHAN_UTIL_PER_10MS;
- sdata->channel_use_raw = 0;
+ if (!prev) {
+ WARN_ON(sdata);
+ sdata = NULL;
}
- read_unlock(&local->sub_if_lock);
-
- /* hardware interface */
- local->channel_use = (local->channel_use_raw /
- local->stat_time) / CHAN_UTIL_PER_10MS;
- local->channel_use_raw = 0;
+ if (!prev || !prev->next) {
+ if (sdata)
+ sdata = list_entry(sdata->list.next,
+ struct ieee80211_sub_if_data, list);
+ else
+ sdata = list_entry(local->sub_if_list.next,
+ struct ieee80211_sub_if_data, list);
+ if (&sdata->list != &local->sub_if_list)
+ mc = sdata->dev->mc_list;
+ else
+ mc = NULL;
+ } else
+ mc = prev->next;
- local->stat_timer.expires = jiffies + HZ * local->stat_time / 100;
- add_timer(&local->stat_timer);
+ *ptr = sdata;
+ return mc;
}
-
+EXPORT_SYMBOL(ieee80211_get_mc_list_item);
void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
struct sk_buff *skb,
}
}
-
/* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to
* make a prepared TX frame (one that has been given to hw) to look like brand
* new IEEE 802.11 frame that is ready to go through TX processing again.
pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
pkt_data->ifindex = control->ifindex;
- pkt_data->mgmt_iface = (control->type == IEEE80211_IF_TYPE_MGMT);
- pkt_data->req_tx_status = !!(control->flags & IEEE80211_TXCTL_REQ_TX_STATUS);
- pkt_data->do_not_encrypt = !!(control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT);
- pkt_data->requeue = !!(control->flags & IEEE80211_TXCTL_REQUEUE);
+ pkt_data->flags = 0;
+ if (control->flags & IEEE80211_TXCTL_REQ_TX_STATUS)
+ pkt_data->flags |= IEEE80211_TXPD_REQ_TX_STATUS;
+ if (control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)
+ pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
+ if (control->flags & IEEE80211_TXCTL_REQUEUE)
+ pkt_data->flags |= IEEE80211_TXPD_REQUEUE;
+ if (control->type == IEEE80211_IF_TYPE_MGMT)
+ pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
pkt_data->queue = control->queue;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
if (!key)
goto no_key;
- switch (key->alg) {
+ switch (key->conf.alg) {
case ALG_WEP:
iv_len = WEP_IV_LEN;
mic_len = WEP_ICV_LEN;
goto no_key;
}
- if (skb->len >= mic_len && key->force_sw_encrypt)
+ if (skb->len >= mic_len &&
+ !(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
skb_trim(skb, skb->len - mic_len);
if (skb->len >= iv_len && skb->len > hdrlen) {
memmove(skb->data + iv_len, skb->data, hdrlen);
}
}
-
void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_tx_status *status)
{
}
EXPORT_SYMBOL(ieee80211_tx_status);
-
-int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct sta_info *sta;
-
- if (compare_ether_addr(remote_addr, sdata->u.wds.remote_addr) == 0)
- return 0;
-
- /* Create STA entry for the new peer */
- sta = sta_info_add(local, dev, remote_addr, GFP_KERNEL);
- if (!sta)
- return -ENOMEM;
- sta_info_put(sta);
-
- /* Remove STA entry for the old peer */
- sta = sta_info_get(local, sdata->u.wds.remote_addr);
- if (sta) {
- sta_info_put(sta);
- sta_info_free(sta, 0);
- } else {
- printk(KERN_DEBUG "%s: could not find STA entry for WDS link "
- "peer " MAC_FMT "\n",
- dev->name, MAC_ARG(sdata->u.wds.remote_addr));
- }
-
- /* Update WDS link data */
- memcpy(&sdata->u.wds.remote_addr, remote_addr, ETH_ALEN);
-
- return 0;
-}
-
-/* Must not be called for mdev and apdev */
-void ieee80211_if_setup(struct net_device *dev)
-{
- ether_setup(dev);
- dev->hard_start_xmit = ieee80211_subif_start_xmit;
- dev->wireless_handlers = &ieee80211_iw_handler_def;
- dev->set_multicast_list = ieee80211_set_multicast_list;
- dev->change_mtu = ieee80211_change_mtu;
- dev->get_stats = ieee80211_get_stats;
- dev->open = ieee80211_open;
- dev->stop = ieee80211_stop;
- dev->uninit = ieee80211_if_reinit;
- dev->destructor = ieee80211_if_free;
-}
-
-void ieee80211_if_mgmt_setup(struct net_device *dev)
-{
- ether_setup(dev);
- dev->hard_start_xmit = ieee80211_mgmt_start_xmit;
- dev->change_mtu = ieee80211_change_mtu_apdev;
- dev->get_stats = ieee80211_get_stats;
- dev->open = ieee80211_mgmt_open;
- dev->stop = ieee80211_mgmt_stop;
- dev->type = ARPHRD_IEEE80211_PRISM;
- dev->hard_header_parse = header_parse_80211;
- dev->uninit = ieee80211_if_reinit;
- dev->destructor = ieee80211_if_free;
-}
-
-int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
- const char *name)
-{
- struct rate_control_ref *ref, *old;
-
- ASSERT_RTNL();
- if (local->open_count || netif_running(local->mdev) ||
- (local->apdev && netif_running(local->apdev)))
- return -EBUSY;
-
- ref = rate_control_alloc(name, local);
- if (!ref) {
- printk(KERN_WARNING "%s: Failed to select rate control "
- "algorithm\n", local->mdev->name);
- return -ENOENT;
- }
-
- old = local->rate_ctrl;
- local->rate_ctrl = ref;
- if (old) {
- rate_control_put(old);
- sta_info_flush(local, NULL);
- }
-
- printk(KERN_DEBUG "%s: Selected rate control "
- "algorithm '%s'\n", local->mdev->name,
- ref->ops->name);
-
-
- return 0;
-}
-
-static void rate_control_deinitialize(struct ieee80211_local *local)
-{
- struct rate_control_ref *ref;
-
- ref = local->rate_ctrl;
- local->rate_ctrl = NULL;
- rate_control_put(ref);
-}
-
struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
const struct ieee80211_ops *ops)
{
INIT_LIST_HEAD(&local->sub_if_list);
INIT_DELAYED_WORK(&local->scan_work, ieee80211_sta_scan_work);
- init_timer(&local->stat_timer);
- local->stat_timer.function = ieee80211_stat_refresh;
- local->stat_timer.data = (unsigned long) local;
ieee80211_rx_bss_list_init(mdev);
sta_info_init(local);
rtnl_unlock();
- if (local->stat_time)
- del_timer_sync(&local->stat_timer);
-
ieee80211_rx_bss_list_deinit(local->mdev);
ieee80211_clear_tx_pending(local);
sta_info_stop(local);
}
EXPORT_SYMBOL(ieee80211_free_hw);
-void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
-{
- struct ieee80211_local *local = hw_to_local(hw);
-
- if (test_and_clear_bit(IEEE80211_LINK_STATE_XOFF,
- &local->state[queue])) {
- if (test_bit(IEEE80211_LINK_STATE_PENDING,
- &local->state[queue]))
- tasklet_schedule(&local->tx_pending_tasklet);
- else
- if (!ieee80211_qdisc_installed(local->mdev)) {
- if (queue == 0)
- netif_wake_queue(local->mdev);
- } else
- __netif_schedule(local->mdev);
- }
-}
-EXPORT_SYMBOL(ieee80211_wake_queue);
-
-void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
-{
- struct ieee80211_local *local = hw_to_local(hw);
-
- if (!ieee80211_qdisc_installed(local->mdev) && queue == 0)
- netif_stop_queue(local->mdev);
- set_bit(IEEE80211_LINK_STATE_XOFF, &local->state[queue]);
-}
-EXPORT_SYMBOL(ieee80211_stop_queue);
-
-void ieee80211_start_queues(struct ieee80211_hw *hw)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- int i;
-
- for (i = 0; i < local->hw.queues; i++)
- clear_bit(IEEE80211_LINK_STATE_XOFF, &local->state[i]);
- if (!ieee80211_qdisc_installed(local->mdev))
- netif_start_queue(local->mdev);
-}
-EXPORT_SYMBOL(ieee80211_start_queues);
-
-void ieee80211_stop_queues(struct ieee80211_hw *hw)
-{
- int i;
-
- for (i = 0; i < hw->queues; i++)
- ieee80211_stop_queue(hw, i);
-}
-EXPORT_SYMBOL(ieee80211_stop_queues);
-
-void ieee80211_wake_queues(struct ieee80211_hw *hw)
-{
- int i;
-
- for (i = 0; i < hw->queues; i++)
- ieee80211_wake_queue(hw, i);
-}
-EXPORT_SYMBOL(ieee80211_wake_queues);
-
struct net_device_stats *ieee80211_dev_stats(struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata;
return 0;
}
-
static void __exit ieee80211_exit(void)
{
ieee80211_wme_unregister();
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff