Code cleanup.
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-Idrivers/staging/brcm80211/include
BRCMSMAC_OFILES := \
- wl_mac80211.o \
- wl_ucode_loader.o \
+ brcms_mac80211.o \
+ ucode_loader.o \
wlc_alloc.o \
wlc_ampdu.o \
wlc_antsel.o \
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define __UNDEF_NO_VERSION__
+
+#include <linux/kernel.h>
+#include <linux/etherdevice.h>
+#include <linux/types.h>
+#include <linux/pci_ids.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/firmware.h>
+#include <net/mac80211.h>
+#include <bcmdefs.h>
+#include <bcmwifi.h>
+#include <bcmutils.h>
+#include <bcmnvram.h>
+#include <nicpci.h>
+#include "bcmdma.h"
+
+#include "phy/wlc_phy_int.h"
+#include "d11.h"
+#include "wlc_types.h"
+#include "wlc_cfg.h"
+#include "wlc_key.h"
+#include "wlc_channel.h"
+#include "wlc_scb.h"
+#include "wlc_pub.h"
+#include "wl_dbg.h"
+#include "wl_export.h"
+#include "ucode_loader.h"
+#include "brcms_mac80211.h"
+
+#define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
+
+#define LOCK(wl) spin_lock_bh(&(wl)->lock)
+#define UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
+
+/* locking from inside brcms_isr */
+#define ISR_LOCK(wl, flags)\
+ do {\
+ spin_lock(&(wl)->isr_lock);\
+ (void)(flags); } \
+ while (0)
+
+#define ISR_UNLOCK(wl, flags)\
+ do {\
+ spin_unlock(&(wl)->isr_lock);\
+ (void)(flags); } \
+ while (0)
+
+/* locking under LOCK() to synchronize with brcms_isr */
+#define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
+#define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
+
+static void brcms_timer(unsigned long data);
+static void _brcms_timer(struct brcms_timer *t);
+
+
+static int ieee_hw_init(struct ieee80211_hw *hw);
+static int ieee_hw_rate_init(struct ieee80211_hw *hw);
+
+static int wl_linux_watchdog(void *ctx);
+
+/* Flags we support */
+#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
+ FIF_ALLMULTI | \
+ FIF_FCSFAIL | \
+ FIF_PLCPFAIL | \
+ FIF_CONTROL | \
+ FIF_OTHER_BSS | \
+ FIF_BCN_PRBRESP_PROMISC)
+
+static int n_adapters_found;
+
+static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev);
+static void brcms_release_fw(struct brcms_info *wl);
+
+/* local prototypes */
+static void brcms_dpc(unsigned long data);
+static irqreturn_t brcms_isr(int irq, void *dev_id);
+
+static int __devinit brcms_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent);
+static void brcms_remove(struct pci_dev *pdev);
+static void brcms_free(struct brcms_info *wl);
+static void brcms_set_basic_rate(struct wl_rateset *rs, u16 rate, bool is_br);
+
+MODULE_AUTHOR("Broadcom Corporation");
+MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+/* recognized PCI IDs */
+static DEFINE_PCI_DEVICE_TABLE(brcms_pci_id_table) = {
+ {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */
+ {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */
+ {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */
+ /* 43224 Ven */
+ {PCI_VENDOR_ID_BROADCOM, 0x0576, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ {0}
+};
+
+MODULE_DEVICE_TABLE(pci, brcms_pci_id_table);
+
+#ifdef BCMDBG
+static int msglevel = 0xdeadbeef;
+module_param(msglevel, int, 0);
+static int phymsglevel = 0xdeadbeef;
+module_param(phymsglevel, int, 0);
+#endif /* BCMDBG */
+
+#define HW_TO_WL(hw) (hw->priv)
+#define WL_TO_HW(wl) (wl->pub->ieee_hw)
+
+/* MAC80211 callback functions */
+static int brcms_ops_start(struct ieee80211_hw *hw);
+static void brcms_ops_stop(struct ieee80211_hw *hw);
+static int brcms_ops_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+static void brcms_ops_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed);
+static void brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed);
+static void brcms_ops_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast);
+static int brcms_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+ bool set);
+static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw);
+static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw);
+static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
+static int brcms_ops_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats);
+static void brcms_ops_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta);
+static int brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params);
+static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw);
+static int brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+static int brcms_ops_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+static int brcms_ops_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size);
+static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw);
+static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop);
+
+static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct brcms_info *wl = hw->priv;
+
+ LOCK(wl);
+ if (!wl->pub->up) {
+ wiphy_err(wl->wiphy, "ops->tx called while down\n");
+ kfree_skb(skb);
+ goto done;
+ }
+ wlc_sendpkt_mac80211(wl->wlc, skb, hw);
+ done:
+ UNLOCK(wl);
+}
+
+static int brcms_ops_start(struct ieee80211_hw *hw)
+{
+ struct brcms_info *wl = hw->priv;
+ bool blocked;
+ /*
+ struct ieee80211_channel *curchan = hw->conf.channel;
+ */
+
+ ieee80211_wake_queues(hw);
+ LOCK(wl);
+ blocked = brcms_rfkill_set_hw_state(wl);
+ UNLOCK(wl);
+ if (!blocked)
+ wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
+
+ return 0;
+}
+
+static void brcms_ops_stop(struct ieee80211_hw *hw)
+{
+ ieee80211_stop_queues(hw);
+}
+
+static int
+brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct brcms_info *wl;
+ int err;
+
+ /* Just STA for now */
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_MESH_POINT &&
+ vif->type != NL80211_IFTYPE_STATION &&
+ vif->type != NL80211_IFTYPE_WDS &&
+ vif->type != NL80211_IFTYPE_ADHOC) {
+ wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only"
+ " STA for now\n", __func__, vif->type);
+ return -EOPNOTSUPP;
+ }
+
+ wl = HW_TO_WL(hw);
+ LOCK(wl);
+ err = brcms_up(wl);
+ UNLOCK(wl);
+
+ if (err != 0) {
+ wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__,
+ err);
+ }
+ return err;
+}
+
+static void
+brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct brcms_info *wl;
+
+ wl = HW_TO_WL(hw);
+
+ /* put driver in down state */
+ LOCK(wl);
+ brcms_down(wl);
+ UNLOCK(wl);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+static int
+ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
+ enum nl80211_channel_type type)
+{
+ struct brcms_info *wl = HW_TO_WL(hw);
+ int err = 0;
+
+ switch (type) {
+ case NL80211_CHAN_HT20:
+ case NL80211_CHAN_NO_HT:
+ err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
+ break;
+ case NL80211_CHAN_HT40MINUS:
+ case NL80211_CHAN_HT40PLUS:
+ wiphy_err(hw->wiphy,
+ "%s: Need to implement 40 Mhz Channels!\n", __func__);
+ err = 1;
+ break;
+ }
+
+ if (err)
+ return -EIO;
+ return err;
+}
+
+static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct ieee80211_conf *conf = &hw->conf;
+ struct brcms_info *wl = HW_TO_WL(hw);
+ int err = 0;
+ int new_int;
+ struct wiphy *wiphy = hw->wiphy;
+
+ LOCK(wl);
+ if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
+ if (wlc_set_par(wl->wlc, IOV_BCN_LI_BCN, conf->listen_interval)
+ < 0) {
+ wiphy_err(wiphy, "%s: Error setting listen_interval\n",
+ __func__);
+ err = -EIO;
+ goto config_out;
+ }
+ wlc_get_par(wl->wlc, IOV_BCN_LI_BCN, &new_int);
+ }
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR)
+ wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
+ __func__, conf->flags & IEEE80211_CONF_MONITOR ?
+ "true" : "false");
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n",
+ __func__, conf->flags & IEEE80211_CONF_PS ?
+ "true" : "false");
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ if (wlc_set_par(wl->wlc, IOV_QTXPOWER, conf->power_level * 4)
+ < 0) {
+ wiphy_err(wiphy, "%s: Error setting power_level\n",
+ __func__);
+ err = -EIO;
+ goto config_out;
+ }
+ wlc_get_par(wl->wlc, IOV_QTXPOWER, &new_int);
+ if (new_int != (conf->power_level * 4))
+ wiphy_err(wiphy, "%s: Power level req != actual, %d %d"
+ "\n", __func__, conf->power_level * 4,
+ new_int);
+ }
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ err = ieee_set_channel(hw, conf->channel, conf->channel_type);
+ }
+ if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
+ if (wlc_set
+ (wl->wlc, WLC_SET_SRL,
+ conf->short_frame_max_tx_count) < 0) {
+ wiphy_err(wiphy, "%s: Error setting srl\n", __func__);
+ err = -EIO;
+ goto config_out;
+ }
+ if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
+ < 0) {
+ wiphy_err(wiphy, "%s: Error setting lrl\n", __func__);
+ err = -EIO;
+ goto config_out;
+ }
+ }
+
+ config_out:
+ UNLOCK(wl);
+ return err;
+}
+
+static void
+brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info, u32 changed)
+{
+ struct brcms_info *wl = HW_TO_WL(hw);
+ struct wiphy *wiphy = hw->wiphy;
+ int val;
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ /* association status changed (associated/disassociated)
+ * also implies a change in the AID.
+ */
+ wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME,
+ __func__, info->assoc ? "" : "dis");
+ LOCK(wl);
+ wlc_associate_upd(wl->wlc, info->assoc);
+ UNLOCK(wl);
+ }
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ /* slot timing changed */
+ if (info->use_short_slot)
+ val = 1;
+ else
+ val = 0;
+ LOCK(wl);
+ wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
+ UNLOCK(wl);
+ }
+
+ if (changed & BSS_CHANGED_HT) {
+ /* 802.11n parameters changed */
+ u16 mode = info->ht_operation_mode;
+
+ LOCK(wl);
+ wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG,
+ mode & IEEE80211_HT_OP_MODE_PROTECTION);
+ wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF,
+ mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+ wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS,
+ mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
+ UNLOCK(wl);
+ }
+ if (changed & BSS_CHANGED_BASIC_RATES) {
+ struct ieee80211_supported_band *bi;
+ u32 br_mask, i;
+ u16 rate;
+ struct wl_rateset rs;
+ int error;
+
+ /* retrieve the current rates */
+ LOCK(wl);
+ error = wlc_ioctl(wl->wlc, WLC_GET_CURR_RATESET,
+ &rs, sizeof(rs), NULL);
+ UNLOCK(wl);
+ if (error) {
+ wiphy_err(wiphy, "%s: retrieve rateset failed: %d\n",
+ __func__, error);
+ return;
+ }
+ br_mask = info->basic_rates;
+ bi = hw->wiphy->bands[wlc_get_curband(wl->wlc)];
+ for (i = 0; i < bi->n_bitrates; i++) {
+ /* convert to internal rate value */
+ rate = (bi->bitrates[i].bitrate << 1) / 10;
+
+ /* set/clear basic rate flag */
+ brcms_set_basic_rate(&rs, rate, br_mask & 1);
+ br_mask >>= 1;
+ }
+
+ /* update the rate set */
+ LOCK(wl);
+ wlc_ioctl(wl->wlc, WLC_SET_RATESET, &rs, sizeof(rs), NULL);
+ UNLOCK(wl);
+ }
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ /* Beacon interval changed */
+ LOCK(wl);
+ wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int);
+ UNLOCK(wl);
+ }
+ if (changed & BSS_CHANGED_BSSID) {
+ /* BSSID changed, for whatever reason (IBSS and managed mode) */
+ LOCK(wl);
+ wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
+ info->bssid);
+ UNLOCK(wl);
+ }
+ if (changed & BSS_CHANGED_BEACON) {
+ /* Beacon data changed, retrieve new beacon (beaconing modes) */
+ wiphy_err(wiphy, "%s: beacon changed\n", __func__);
+ }
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ /* Beaconing should be enabled/disabled (beaconing modes) */
+ wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__,
+ info->enable_beacon ? "true" : "false");
+ }
+ if (changed & BSS_CHANGED_CQM) {
+ /* Connection quality monitor config changed */
+ wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d "
+ " (implement)\n", __func__, info->cqm_rssi_thold,
+ info->cqm_rssi_hyst);
+ }
+ if (changed & BSS_CHANGED_IBSS) {
+ /* IBSS join status changed */
+ wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__,
+ info->ibss_joined ? "true" : "false");
+ }
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ /* Hardware ARP filter address list or state changed */
+ wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d"
+ " (implement)\n", __func__, info->arp_filter_enabled ?
+ "true" : "false", info->arp_addr_cnt);
+ }
+ if (changed & BSS_CHANGED_QOS) {
+ /*
+ * QoS for this association was enabled/disabled.
+ * Note that it is only ever disabled for station mode.
+ */
+ wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__,
+ info->qos ? "true" : "false");
+ }
+ if (changed & BSS_CHANGED_IDLE) {
+ /* Idle changed for this BSS/interface */
+ wiphy_err(wiphy, "%s: BSS idle: %s (implement)\n", __func__,
+ info->idle ? "true" : "false");
+ }
+ return;
+}
+
+static void
+brcms_ops_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast)
+{
+ struct brcms_info *wl = hw->priv;
+ struct wiphy *wiphy = hw->wiphy;
+
+ changed_flags &= MAC_FILTERS;
+ *total_flags &= MAC_FILTERS;
+ if (changed_flags & FIF_PROMISC_IN_BSS)
+ wiphy_err(wiphy, "FIF_PROMISC_IN_BSS\n");
+ if (changed_flags & FIF_ALLMULTI)
+ wiphy_err(wiphy, "FIF_ALLMULTI\n");
+ if (changed_flags & FIF_FCSFAIL)
+ wiphy_err(wiphy, "FIF_FCSFAIL\n");
+ if (changed_flags & FIF_PLCPFAIL)
+ wiphy_err(wiphy, "FIF_PLCPFAIL\n");
+ if (changed_flags & FIF_CONTROL)
+ wiphy_err(wiphy, "FIF_CONTROL\n");
+ if (changed_flags & FIF_OTHER_BSS)
+ wiphy_err(wiphy, "FIF_OTHER_BSS\n");
+ if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+ LOCK(wl);
+ if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
+ wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
+ wlc_mac_bcn_promisc_change(wl->wlc, 1);
+ } else {
+ wlc_mac_bcn_promisc_change(wl->wlc, 0);
+ wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
+ }
+ UNLOCK(wl);
+ }
+ return;
+}
+
+static int
+brcms_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
+{
+ return 0;
+}
+
+static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
+{
+ struct brcms_info *wl = hw->priv;
+ LOCK(wl);
+ wlc_scan_start(wl->wlc);
+ UNLOCK(wl);
+ return;
+}
+
+static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
+{
+ struct brcms_info *wl = hw->priv;
+ LOCK(wl);
+ wlc_scan_stop(wl->wlc);
+ UNLOCK(wl);
+ return;
+}
+
+static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ wiphy_err(hw->wiphy, "%s: Enter\n", __func__);
+ return;
+}
+
+static int
+brcms_ops_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ struct brcms_info *wl = hw->priv;
+ struct wl_cnt *cnt;
+
+ LOCK(wl);
+ cnt = wl->pub->_cnt;
+ stats->dot11ACKFailureCount = 0;
+ stats->dot11RTSFailureCount = 0;
+ stats->dot11FCSErrorCount = 0;
+ stats->dot11RTSSuccessCount = 0;
+ UNLOCK(wl);
+ return 0;
+}
+
+static void
+brcms_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
+{
+ switch (cmd) {
+ default:
+ wiphy_err(hw->wiphy, "%s: Unknown cmd = %d\n", __func__,
+ cmd);
+ break;
+ }
+ return;
+}
+
+static int
+brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct brcms_info *wl = hw->priv;
+
+ LOCK(wl);
+ wlc_wme_setparams(wl->wlc, queue, params, true);
+ UNLOCK(wl);
+
+ return 0;
+}
+
+static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw)
+{
+ wiphy_err(hw->wiphy, "%s: Enter\n", __func__);
+ return 0;
+}
+
+static int
+brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct scb *scb;
+
+ int i;
+ struct brcms_info *wl = hw->priv;
+
+ /* Init the scb */
+ scb = (struct scb *)sta->drv_priv;
+ memset(scb, 0, sizeof(struct scb));
+ for (i = 0; i < NUMPRIO; i++)
+ scb->seqctl[i] = 0xFFFF;
+ scb->seqctl_nonqos = 0xFFFF;
+ scb->magic = SCB_MAGIC;
+
+ wl->pub->global_scb = scb;
+ wl->pub->global_ampdu = &(scb->scb_ampdu);
+ wl->pub->global_ampdu->scb = scb;
+ wl->pub->global_ampdu->max_pdu = 16;
+ bcm_pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
+ AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
+
+ sta->ht_cap.ht_supported = true;
+ sta->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
+ sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
+
+ /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
+ return 0;
+}
+
+static int
+brcms_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ return 0;
+}
+
+static int
+brcms_ops_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+ u8 buf_size)
+{
+ struct scb *scb = (struct scb *)sta->drv_priv;
+ struct brcms_info *wl = hw->priv;
+ int status;
+
+ if (WARN_ON(scb->magic != SCB_MAGIC))
+ return -EIDRM;
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ LOCK(wl);
+ status = wlc_aggregatable(wl->wlc, tid);
+ UNLOCK(wl);
+ if (!status) {
+ wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
+ tid);
+ return -EINVAL;
+ }
+ /* XXX: Use the starting sequence number provided ... */
+ *ssn = 0;
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+
+ case IEEE80211_AMPDU_TX_STOP:
+ LOCK(wl);
+ wlc_ampdu_flush(wl->wlc, sta, tid);
+ UNLOCK(wl);
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* Not sure what to do here */
+ /* Power save wakeup */
+ break;
+ default:
+ wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n",
+ __func__);
+ }
+
+ return 0;
+}
+
+static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
+{
+ struct brcms_info *wl = HW_TO_WL(hw);
+ bool blocked;
+
+ LOCK(wl);
+ blocked = wlc_check_radio_disabled(wl->wlc);
+ UNLOCK(wl);
+
+ wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
+}
+
+static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
+{
+ struct brcms_info *wl = HW_TO_WL(hw);
+
+ no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
+
+ /* wait for packet queue and dma fifos to run empty */
+ LOCK(wl);
+ wlc_wait_for_tx_completion(wl->wlc, drop);
+ UNLOCK(wl);
+}
+
+static const struct ieee80211_ops brcms_ops = {
+ .tx = brcms_ops_tx,
+ .start = brcms_ops_start,
+ .stop = brcms_ops_stop,
+ .add_interface = brcms_ops_add_interface,
+ .remove_interface = brcms_ops_remove_interface,
+ .config = brcms_ops_config,
+ .bss_info_changed = brcms_ops_bss_info_changed,
+ .configure_filter = brcms_ops_configure_filter,
+ .set_tim = brcms_ops_set_tim,
+ .sw_scan_start = brcms_ops_sw_scan_start,
+ .sw_scan_complete = brcms_ops_sw_scan_complete,
+ .set_tsf = brcms_ops_set_tsf,
+ .get_stats = brcms_ops_get_stats,
+ .sta_notify = brcms_ops_sta_notify,
+ .conf_tx = brcms_ops_conf_tx,
+ .get_tsf = brcms_ops_get_tsf,
+ .sta_add = brcms_ops_sta_add,
+ .sta_remove = brcms_ops_sta_remove,
+ .ampdu_action = brcms_ops_ampdu_action,
+ .rfkill_poll = brcms_ops_rfkill_poll,
+ .flush = brcms_ops_flush,
+};
+
+/*
+ * is called in brcms_pci_probe() context, therefore no locking required.
+ */
+static int brcms_set_hint(struct brcms_info *wl, char *abbrev)
+{
+ return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
+}
+
+/**
+ * attach to the WL device.
+ *
+ * Attach to the WL device identified by vendor and device parameters.
+ * regs is a host accessible memory address pointing to WL device registers.
+ *
+ * brcms_attach is not defined as static because in the case where no bus
+ * is defined, wl_attach will never be called, and thus, gcc will issue
+ * a warning that this function is defined but not used if we declare
+ * it as static.
+ *
+ *
+ * is called in brcms_pci_probe() context, therefore no locking required.
+ */
+static struct brcms_info *brcms_attach(u16 vendor, u16 device,
+ unsigned long regs,
+ uint bustype, void *btparam, uint irq)
+{
+ struct brcms_info *wl = NULL;
+ int unit, err;
+ unsigned long base_addr;
+ struct ieee80211_hw *hw;
+ u8 perm[ETH_ALEN];
+
+ unit = n_adapters_found;
+ err = 0;
+
+ if (unit < 0) {
+ return NULL;
+ }
+
+ /* allocate private info */
+ hw = pci_get_drvdata(btparam); /* btparam == pdev */
+ if (hw != NULL)
+ wl = hw->priv;
+ if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
+ return NULL;
+ wl->wiphy = hw->wiphy;
+
+ atomic_set(&wl->callbacks, 0);
+
+ /* setup the bottom half handler */
+ tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
+
+
+
+ base_addr = regs;
+
+ if (bustype == PCI_BUS || bustype == RPC_BUS) {
+ /* Do nothing */
+ } else {
+ bustype = PCI_BUS;
+ BCMMSG(wl->wiphy, "force to PCI\n");
+ }
+ wl->bcm_bustype = bustype;
+
+ wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
+ if (wl->regsva == NULL) {
+ wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
+ goto fail;
+ }
+ spin_lock_init(&wl->lock);
+ spin_lock_init(&wl->isr_lock);
+
+ /* prepare ucode */
+ if (brcms_request_fw(wl, (struct pci_dev *)btparam) < 0) {
+ wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
+ "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
+ brcms_release_fw(wl);
+ brcms_remove((struct pci_dev *)btparam);
+ return NULL;
+ }
+
+ /* common load-time initialization */
+ wl->wlc = wlc_attach((void *)wl, vendor, device, unit, false,
+ wl->regsva, wl->bcm_bustype, btparam, &err);
+ brcms_release_fw(wl);
+ if (!wl->wlc) {
+ wiphy_err(wl->wiphy, "%s: wlc_attach() failed with code %d\n",
+ KBUILD_MODNAME, err);
+ goto fail;
+ }
+ wl->pub = wlc_pub(wl->wlc);
+
+ wl->pub->ieee_hw = hw;
+
+ if (wlc_set_par(wl->wlc, IOV_MPC, 0) < 0) {
+ wiphy_err(wl->wiphy, "wl%d: Error setting MPC variable to 0\n",
+ unit);
+ }
+
+ /* register our interrupt handler */
+ if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
+ wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
+ goto fail;
+ }
+ wl->irq = irq;
+
+ /* register module */
+ wlc_module_register(wl->pub, "linux", wl, wl_linux_watchdog, NULL);
+
+ if (ieee_hw_init(hw)) {
+ wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
+ __func__);
+ goto fail;
+ }
+
+ memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
+ if (WARN_ON(!is_valid_ether_addr(perm)))
+ goto fail;
+ SET_IEEE80211_PERM_ADDR(hw, perm);
+
+ err = ieee80211_register_hw(hw);
+ if (err) {
+ wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
+ "%d\n", __func__, err);
+ }
+
+ if (wl->pub->srom_ccode[0])
+ err = brcms_set_hint(wl, wl->pub->srom_ccode);
+ else
+ err = brcms_set_hint(wl, "US");
+ if (err) {
+ wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
+ __func__, err);
+ }
+
+ n_adapters_found++;
+ return wl;
+
+fail:
+ brcms_free(wl);
+ return NULL;
+}
+
+
+
+#define CHAN2GHZ(channel, freqency, chflags) { \
+ .band = IEEE80211_BAND_2GHZ, \
+ .center_freq = (freqency), \
+ .hw_value = (channel), \
+ .flags = chflags, \
+ .max_antenna_gain = 0, \
+ .max_power = 19, \
+}
+
+static struct ieee80211_channel brcms_2ghz_chantable[] = {
+ CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(5, 2432, 0),
+ CHAN2GHZ(6, 2437, 0),
+ CHAN2GHZ(7, 2442, 0),
+ CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(12, 2467,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(13, 2472,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(14, 2484,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+#define CHAN5GHZ(channel, chflags) { \
+ .band = IEEE80211_BAND_5GHZ, \
+ .center_freq = 5000 + 5*(channel), \
+ .hw_value = (channel), \
+ .flags = chflags, \
+ .max_antenna_gain = 0, \
+ .max_power = 21, \
+}
+
+static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
+ /* UNII-1 */
+ CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
+ /* UNII-2 */
+ CHAN5GHZ(52,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(56,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(60,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(64,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ /* MID */
+ CHAN5GHZ(100,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(104,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(108,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(112,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(116,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(120,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(124,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(128,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(132,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(136,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(140,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
+ IEEE80211_CHAN_NO_HT40MINUS),
+ /* UNII-3 */
+ CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+#define RATE(rate100m, _flags) { \
+ .bitrate = (rate100m), \
+ .flags = (_flags), \
+ .hw_value = (rate100m / 5), \
+}
+
+static struct ieee80211_rate legacy_ratetable[] = {
+ RATE(10, 0),
+ RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, 0),
+ RATE(90, 0),
+ RATE(120, 0),
+ RATE(180, 0),
+ RATE(240, 0),
+ RATE(360, 0),
+ RATE(480, 0),
+ RATE(540, 0),
+};
+
+static struct ieee80211_supported_band brcms_band_2GHz_nphy = {
+ .band = IEEE80211_BAND_2GHZ,
+ .channels = brcms_2ghz_chantable,
+ .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
+ .bitrates = legacy_ratetable,
+ .n_bitrates = ARRAY_SIZE(legacy_ratetable),
+ .ht_cap = {
+ /* from include/linux/ieee80211.h */
+ .cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
+ .ht_supported = true,
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+ .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+ .mcs = {
+ /* placeholders for now */
+ .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 500,
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+ }
+};
+
+static struct ieee80211_supported_band brcms_band_5GHz_nphy = {
+ .band = IEEE80211_BAND_5GHZ,
+ .channels = brcms_5ghz_nphy_chantable,
+ .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
+ .bitrates = legacy_ratetable + 4,
+ .n_bitrates = ARRAY_SIZE(legacy_ratetable) - 4,
+ .ht_cap = {
+ /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
+ .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
+ .ht_supported = true,
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+ .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+ .mcs = {
+ /* placeholders for now */
+ .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 500,
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+ }
+};
+
+/*
+ * is called in brcms_pci_probe() context, therefore no locking required.
+ */
+static int ieee_hw_rate_init(struct ieee80211_hw *hw)
+{
+ struct brcms_info *wl = HW_TO_WL(hw);
+ int has_5g;
+ char phy_list[4];
+
+ has_5g = 0;
+
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
+
+ if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
+ wiphy_err(hw->wiphy, "Phy list failed\n");
+ }
+
+ if (phy_list[0] == 'n' || phy_list[0] == 'c') {
+ if (phy_list[0] == 'c') {
+ /* Single stream */
+ brcms_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
+ brcms_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
+ }
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &brcms_band_2GHz_nphy;
+ } else {
+ return -EPERM;
+ }
+
+ /* Assume all bands use the same phy. True for 11n devices. */
+ if (NBANDS_PUB(wl->pub) > 1) {
+ has_5g++;
+ if (phy_list[0] == 'n' || phy_list[0] == 'c') {
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &brcms_band_5GHz_nphy;
+ } else {
+ return -EPERM;
+ }
+ }
+ return 0;
+}
+
+/*
+ * is called in brcms_pci_probe() context, therefore no locking required.
+ */
+static int ieee_hw_init(struct ieee80211_hw *hw)
+{
+ hw->flags = IEEE80211_HW_SIGNAL_DBM
+ /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
+ | IEEE80211_HW_REPORTS_TX_ACK_STATUS
+ | IEEE80211_HW_AMPDU_AGGREGATION;
+
+ hw->extra_tx_headroom = wlc_get_header_len();
+ hw->queues = N_TX_QUEUES;
+ /* FIXME: this doesn't seem to be used properly in minstrel_ht.
+ * mac80211/status.c:ieee80211_tx_status() checks this value,
+ * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
+ * appears to always set 3 rates
+ */
+ hw->max_rates = 2; /* Primary rate and 1 fallback rate */
+
+ hw->channel_change_time = 7 * 1000; /* channel change time is dependent on chip and band */
+ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+ hw->rate_control_algorithm = "minstrel_ht";
+
+ hw->sta_data_size = sizeof(struct scb);
+ return ieee_hw_rate_init(hw);
+}
+
+/**
+ * determines if a device is a WL device, and if so, attaches it.
+ *
+ * This function determines if a device pointed to by pdev is a WL device,
+ * and if so, performs a brcms_attach() on it.
+ *
+ * Perimeter lock is initialized in the course of this function.
+ */
+static int __devinit
+brcms_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int rc;
+ struct brcms_info *wl;
+ struct ieee80211_hw *hw;
+ u32 val;
+
+ dev_info(&pdev->dev, "bus %d slot %d func %d irq %d\n",
+ pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn), pdev->irq);
+
+ if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
+ ((pdev->device != 0x0576) &&
+ ((pdev->device & 0xff00) != 0x4300) &&
+ ((pdev->device & 0xff00) != 0x4700) &&
+ ((pdev->device < 43000) || (pdev->device > 43999))))
+ return -ENODEV;
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ pr_err("%s: Cannot enable device %d-%d_%d\n",
+ __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn));
+ return -ENODEV;
+ }
+ pci_set_master(pdev);
+
+ pci_read_config_dword(pdev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+ hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
+ if (!hw) {
+ pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
+ return -ENOMEM;
+ }
+
+ SET_IEEE80211_DEV(hw, &pdev->dev);
+
+ pci_set_drvdata(pdev, hw);
+
+ memset(hw->priv, 0, sizeof(*wl));
+
+ wl = brcms_attach(pdev->vendor, pdev->device,
+ pci_resource_start(pdev, 0), PCI_BUS, pdev,
+ pdev->irq);
+
+ if (!wl) {
+ pr_err("%s: %s: brcms_attach failed!\n", KBUILD_MODNAME,
+ __func__);
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static int brcms_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct brcms_info *wl;
+ struct ieee80211_hw *hw;
+
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ wiphy_err(wl->wiphy,
+ "brcms_suspend: pci_get_drvdata failed\n");
+ return -ENODEV;
+ }
+
+ /* only need to flag hw is down for proper resume */
+ LOCK(wl);
+ wl->pub->hw_up = false;
+ UNLOCK(wl);
+
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
+ return pci_set_power_state(pdev, PCI_D3hot);
+}
+
+static int brcms_resume(struct pci_dev *pdev)
+{
+ struct brcms_info *wl;
+ struct ieee80211_hw *hw;
+ int err = 0;
+ u32 val;
+
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ wiphy_err(wl->wiphy,
+ "wl: brcms_resume: pci_get_drvdata failed\n");
+ return -ENODEV;
+ }
+
+ err = pci_set_power_state(pdev, PCI_D0);
+ if (err)
+ return err;
+
+ pci_restore_state(pdev);
+
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ pci_set_master(pdev);
+
+ pci_read_config_dword(pdev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+ /*
+ * done. driver will be put in up state
+ * in brcms_ops_add_interface() call.
+ */
+ return err;
+}
+
+/*
+* called from both kernel as from this kernel module.
+* precondition: perimeter lock is not acquired.
+*/
+static void brcms_remove(struct pci_dev *pdev)
+{
+ struct brcms_info *wl;
+ struct ieee80211_hw *hw;
+ int status;
+
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ pr_err("wl: brcms_remove: pci_get_drvdata failed\n");
+ return;
+ }
+
+ LOCK(wl);
+ status = wlc_chipmatch(pdev->vendor, pdev->device);
+ UNLOCK(wl);
+ if (!status) {
+ wiphy_err(wl->wiphy, "wl: brcms_remove: wlc_chipmatch "
+ "failed\n");
+ return;
+ }
+ if (wl->wlc) {
+ wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
+ wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
+ ieee80211_unregister_hw(hw);
+ LOCK(wl);
+ brcms_down(wl);
+ UNLOCK(wl);
+ }
+ pci_disable_device(pdev);
+
+ brcms_free(wl);
+
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(hw);
+}
+
+static struct pci_driver brcms_pci_driver = {
+ .name = KBUILD_MODNAME,
+ .probe = brcms_pci_probe,
+ .suspend = brcms_suspend,
+ .resume = brcms_resume,
+ .remove = __devexit_p(brcms_remove),
+ .id_table = brcms_pci_id_table,
+};
+
+/**
+ * This is the main entry point for the WL driver.
+ *
+ * This function determines if a device pointed to by pdev is a WL device,
+ * and if so, performs a brcms_attach() on it.
+ *
+ */
+static int __init brcms_module_init(void)
+{
+ int error = -ENODEV;
+
+#ifdef BCMDBG
+ if (msglevel != 0xdeadbeef)
+ brcm_msg_level = msglevel;
+ else {
+ char *var = getvar(NULL, "wl_msglevel");
+ if (var) {
+ unsigned long value;
+
+ (void)strict_strtoul(var, 0, &value);
+ brcm_msg_level = value;
+ }
+ }
+ if (phymsglevel != 0xdeadbeef)
+ phyhal_msg_level = phymsglevel;
+ else {
+ char *var = getvar(NULL, "phy_msglevel");
+ if (var) {
+ unsigned long value;
+
+ (void)strict_strtoul(var, 0, &value);
+ phyhal_msg_level = value;
+ }
+ }
+#endif /* BCMDBG */
+
+ error = pci_register_driver(&brcms_pci_driver);
+ if (!error)
+ return 0;
+
+
+
+ return error;
+}
+
+/**
+ * This function unloads the WL driver from the system.
+ *
+ * This function unconditionally unloads the WL driver module from the
+ * system.
+ *
+ */
+static void __exit brcms_module_exit(void)
+{
+ pci_unregister_driver(&brcms_pci_driver);
+
+}
+
+module_init(brcms_module_init);
+module_exit(brcms_module_exit);
+
+/**
+ * This function frees the WL per-device resources.
+ *
+ * This function frees resources owned by the WL device pointed to
+ * by the wl parameter.
+ *
+ * precondition: can both be called locked and unlocked
+ *
+ */
+static void brcms_free(struct brcms_info *wl)
+{
+ struct brcms_timer *t, *next;
+
+ /* free ucode data */
+ if (wl->fw.fw_cnt)
+ brcms_ucode_data_free();
+ if (wl->irq)
+ free_irq(wl->irq, wl);
+
+ /* kill dpc */
+ tasklet_kill(&wl->tasklet);
+
+ if (wl->pub) {
+ wlc_module_unregister(wl->pub, "linux", wl);
+ }
+
+ /* free common resources */
+ if (wl->wlc) {
+ wlc_detach(wl->wlc);
+ wl->wlc = NULL;
+ wl->pub = NULL;
+ }
+
+ /* virtual interface deletion is deferred so we cannot spinwait */
+
+ /* wait for all pending callbacks to complete */
+ while (atomic_read(&wl->callbacks) > 0)
+ schedule();
+
+ /* free timers */
+ for (t = wl->timers; t; t = next) {
+ next = t->next;
+#ifdef BCMDBG
+ kfree(t->name);
+#endif
+ kfree(t);
+ }
+
+ /*
+ * unregister_netdev() calls get_stats() which may read chip registers
+ * so we cannot unmap the chip registers until after calling unregister_netdev() .
+ */
+ if (wl->regsva && wl->bcm_bustype != SDIO_BUS &&
+ wl->bcm_bustype != JTAG_BUS) {
+ iounmap((void *)wl->regsva);
+ }
+ wl->regsva = NULL;
+}
+
+/* flags the given rate in rateset as requested */
+static void brcms_set_basic_rate(struct wl_rateset *rs, u16 rate, bool is_br)
+{
+ u32 i;
+
+ for (i = 0; i < rs->count; i++) {
+ if (rate != (rs->rates[i] & 0x7f))
+ continue;
+
+ if (is_br)
+ rs->rates[i] |= WLC_RATE_FLAG;
+ else
+ rs->rates[i] &= WLC_RATE_MASK;
+ return;
+ }
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
+ bool state, int prio)
+{
+ wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void brcms_init(struct brcms_info *wl)
+{
+ BCMMSG(WL_TO_HW(wl)->wiphy, "wl%d\n", wl->pub->unit);
+ brcms_reset(wl);
+
+ wlc_init(wl->wlc);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+uint brcms_reset(struct brcms_info *wl)
+{
+ BCMMSG(WL_TO_HW(wl)->wiphy, "wl%d\n", wl->pub->unit);
+ wlc_reset(wl->wlc);
+
+ /* dpc will not be rescheduled */
+ wl->resched = 0;
+
+ return 0;
+}
+
+/*
+ * These are interrupt on/off entry points. Disable interrupts
+ * during interrupt state transition.
+ */
+void brcms_intrson(struct brcms_info *wl)
+{
+ unsigned long flags;
+
+ INT_LOCK(wl, flags);
+ wlc_intrson(wl->wlc);
+ INT_UNLOCK(wl, flags);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+bool wl_alloc_dma_resources(struct brcms_info *wl, uint addrwidth)
+{
+ return true;
+}
+
+u32 brcms_intrsoff(struct brcms_info *wl)
+{
+ unsigned long flags;
+ u32 status;
+
+ INT_LOCK(wl, flags);
+ status = wlc_intrsoff(wl->wlc);
+ INT_UNLOCK(wl, flags);
+ return status;
+}
+
+void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
+{
+ unsigned long flags;
+
+ INT_LOCK(wl, flags);
+ wlc_intrsrestore(wl->wlc, macintmask);
+ INT_UNLOCK(wl, flags);
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+int brcms_up(struct brcms_info *wl)
+{
+ int error = 0;
+
+ if (wl->pub->up)
+ return 0;
+
+ error = wlc_up(wl->wlc);
+
+ return error;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void brcms_down(struct brcms_info *wl)
+{
+ uint callbacks, ret_val = 0;
+
+ /* call common down function */
+ ret_val = wlc_down(wl->wlc);
+ callbacks = atomic_read(&wl->callbacks) - ret_val;
+
+ /* wait for down callbacks to complete */
+ UNLOCK(wl);
+
+ /* For HIGH_only driver, it's important to actually schedule other work,
+ * not just spin wait since everything runs at schedule level
+ */
+ SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
+
+ LOCK(wl);
+}
+
+static irqreturn_t brcms_isr(int irq, void *dev_id)
+{
+ struct brcms_info *wl;
+ bool ours, wantdpc;
+ unsigned long flags;
+
+ wl = (struct brcms_info *) dev_id;
+
+ ISR_LOCK(wl, flags);
+
+ /* call common first level interrupt handler */
+ ours = wlc_isr(wl->wlc, &wantdpc);
+ if (ours) {
+ /* if more to do... */
+ if (wantdpc) {
+
+ /* ...and call the second level interrupt handler */
+ /* schedule dpc */
+ tasklet_schedule(&wl->tasklet);
+ }
+ }
+
+ ISR_UNLOCK(wl, flags);
+
+ return IRQ_RETVAL(ours);
+}
+
+static void brcms_dpc(unsigned long data)
+{
+ struct brcms_info *wl;
+
+ wl = (struct brcms_info *) data;
+
+ LOCK(wl);
+
+ /* call the common second level interrupt handler */
+ if (wl->pub->up) {
+ if (wl->resched) {
+ unsigned long flags;
+
+ INT_LOCK(wl, flags);
+ wlc_intrsupd(wl->wlc);
+ INT_UNLOCK(wl, flags);
+ }
+
+ wl->resched = wlc_dpc(wl->wlc, true);
+ }
+
+ /* wlc_dpc() may bring the driver down */
+ if (!wl->pub->up)
+ goto done;
+
+ /* re-schedule dpc */
+ if (wl->resched)
+ tasklet_schedule(&wl->tasklet);
+ else {
+ /* re-enable interrupts */
+ brcms_intrson(wl);
+ }
+
+ done:
+ UNLOCK(wl);
+}
+
+/*
+ * is called by the kernel from software irq context
+ */
+static void brcms_timer(unsigned long data)
+{
+ _brcms_timer((struct brcms_timer *) data);
+}
+
+/*
+* precondition: perimeter lock is not acquired
+ */
+static void _brcms_timer(struct brcms_timer *t)
+{
+ LOCK(t->wl);
+
+ if (t->set) {
+ if (t->periodic) {
+ t->timer.expires = jiffies + t->ms * HZ / 1000;
+ atomic_inc(&t->wl->callbacks);
+ add_timer(&t->timer);
+ t->set = true;
+ } else
+ t->set = false;
+
+ t->fn(t->arg);
+ }
+
+ atomic_dec(&t->wl->callbacks);
+
+ UNLOCK(t->wl);
+}
+
+/*
+ * Adds a timer to the list. Caller supplies a timer function.
+ * Is called from wlc.
+ *
+ * precondition: perimeter lock has been acquired
+ */
+struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
+ void (*fn) (void *arg),
+ void *arg, const char *name)
+{
+ struct brcms_timer *t;
+
+ t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
+ if (!t) {
+ wiphy_err(wl->wiphy, "wl%d: brcms_init_timer: out of memory\n",
+ wl->pub->unit);
+ return 0;
+ }
+
+ init_timer(&t->timer);
+ t->timer.data = (unsigned long) t;
+ t->timer.function = brcms_timer;
+ t->wl = wl;
+ t->fn = fn;
+ t->arg = arg;
+ t->next = wl->timers;
+ wl->timers = t;
+
+#ifdef BCMDBG
+ t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
+ if (t->name)
+ strcpy(t->name, name);
+#endif
+
+ return t;
+}
+
+/* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
+ * as well as it's easier to make it periodic
+ *
+ * precondition: perimeter lock has been acquired
+ */
+void brcms_add_timer(struct brcms_info *wl, struct brcms_timer *t, uint ms,
+ int periodic)
+{
+#ifdef BCMDBG
+ if (t->set) {
+ wiphy_err(wl->wiphy, "%s: Already set. Name: %s, per %d\n",
+ __func__, t->name, periodic);
+ }
+#endif
+ t->ms = ms;
+ t->periodic = (bool) periodic;
+ t->set = true;
+ t->timer.expires = jiffies + ms * HZ / 1000;
+
+ atomic_inc(&wl->callbacks);
+ add_timer(&t->timer);
+}
+
+/*
+ * return true if timer successfully deleted, false if still pending
+ *
+ * precondition: perimeter lock has been acquired
+ */
+bool brcms_del_timer(struct brcms_info *wl, struct brcms_timer *t)
+{
+ if (t->set) {
+ t->set = false;
+ if (!del_timer(&t->timer)) {
+ return false;
+ }
+ atomic_dec(&wl->callbacks);
+ }
+
+ return true;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void brcms_free_timer(struct brcms_info *wl, struct brcms_timer *t)
+{
+ struct brcms_timer *tmp;
+
+ /* delete the timer in case it is active */
+ brcms_del_timer(wl, t);
+
+ if (wl->timers == t) {
+ wl->timers = wl->timers->next;
+#ifdef BCMDBG
+ kfree(t->name);
+#endif
+ kfree(t);
+ return;
+
+ }
+
+ tmp = wl->timers;
+ while (tmp) {
+ if (tmp->next == t) {
+ tmp->next = t->next;
+#ifdef BCMDBG
+ kfree(t->name);
+#endif
+ kfree(t);
+ return;
+ }
+ tmp = tmp->next;
+ }
+
+}
+
+/*
+ * runs in software irq context
+ *
+ * precondition: perimeter lock is not acquired
+ */
+static int wl_linux_watchdog(void *ctx)
+{
+ return 0;
+}
+
+struct firmware_hdr {
+ u32 offset;
+ u32 len;
+ u32 idx;
+};
+
+char *brcms_firmwares[MAX_FW_IMAGES] = {
+ "brcm/bcm43xx",
+ NULL
+};
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
+{
+ int i, entry;
+ const u8 *pdata;
+ struct firmware_hdr *hdr;
+ for (i = 0; i < wl->fw.fw_cnt; i++) {
+ hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
+ for (entry = 0; entry < wl->fw.hdr_num_entries[i];
+ entry++, hdr++) {
+ if (hdr->idx == idx) {
+ pdata = wl->fw.fw_bin[i]->data + hdr->offset;
+ *pbuf = kmalloc(hdr->len, GFP_ATOMIC);
+ if (*pbuf == NULL) {
+ wiphy_err(wl->wiphy, "fail to alloc %d"
+ " bytes\n", hdr->len);
+ goto fail;
+ }
+ memcpy(*pbuf, pdata, hdr->len);
+ return 0;
+ }
+ }
+ }
+ wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n",
+ idx);
+ *pbuf = NULL;
+fail:
+ return -ENODATA;
+}
+
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+int brcms_ucode_init_uint(struct brcms_info *wl, u32 *data, u32 idx)
+{
+ int i, entry;
+ const u8 *pdata;
+ struct firmware_hdr *hdr;
+ for (i = 0; i < wl->fw.fw_cnt; i++) {
+ hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
+ for (entry = 0; entry < wl->fw.hdr_num_entries[i];
+ entry++, hdr++) {
+ if (hdr->idx == idx) {
+ pdata = wl->fw.fw_bin[i]->data + hdr->offset;
+ if (hdr->len != 4) {
+ wiphy_err(wl->wiphy,
+ "ERROR: fw hdr len\n");
+ return -ENOMSG;
+ }
+ *data = *((u32 *) pdata);
+ return 0;
+ }
+ }
+ }
+ wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx);
+ return -ENOMSG;
+}
+
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
+{
+ int status;
+ struct device *device = &pdev->dev;
+ char fw_name[100];
+ int i;
+
+ memset((void *)&wl->fw, 0, sizeof(struct brcms_firmware));
+ for (i = 0; i < MAX_FW_IMAGES; i++) {
+ if (brcms_firmwares[i] == NULL)
+ break;
+ sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
+ UCODE_LOADER_API_VER);
+ status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
+ if (status) {
+ wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
+ KBUILD_MODNAME, fw_name);
+ return status;
+ }
+ sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
+ UCODE_LOADER_API_VER);
+ status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
+ if (status) {
+ wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
+ KBUILD_MODNAME, fw_name);
+ return status;
+ }
+ wl->fw.hdr_num_entries[i] =
+ wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
+ }
+ wl->fw.fw_cnt = i;
+ return brcms_ucode_data_init(wl);
+}
+
+/*
+ * precondition: can both be called locked and unlocked
+ */
+void brcms_ucode_free_buf(void *p)
+{
+ kfree(p);
+}
+
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+static void brcms_release_fw(struct brcms_info *wl)
+{
+ int i;
+ for (i = 0; i < MAX_FW_IMAGES; i++) {
+ release_firmware(wl->fw.fw_bin[i]);
+ release_firmware(wl->fw.fw_hdr[i]);
+ }
+}
+
+
+/*
+ * checks validity of all firmware images loaded from user space
+ *
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+int brcms_check_firmwares(struct brcms_info *wl)
+{
+ int i;
+ int entry;
+ int rc = 0;
+ const struct firmware *fw;
+ const struct firmware *fw_hdr;
+ struct firmware_hdr *ucode_hdr;
+ for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
+ fw = wl->fw.fw_bin[i];
+ fw_hdr = wl->fw.fw_hdr[i];
+ if (fw == NULL && fw_hdr == NULL) {
+ break;
+ } else if (fw == NULL || fw_hdr == NULL) {
+ wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
+ __func__);
+ rc = -EBADF;
+ } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
+ wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
+ "size %zu/%zu\n", __func__, fw_hdr->size,
+ sizeof(struct firmware_hdr));
+ rc = -EBADF;
+ } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
+ wiphy_err(wl->wiphy, "%s: out of bounds fw file size "
+ "%zu\n", __func__, fw->size);
+ rc = -EBADF;
+ } else {
+ /* check if ucode section overruns firmware image */
+ ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
+ for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
+ !rc; entry++, ucode_hdr++) {
+ if (ucode_hdr->offset + ucode_hdr->len >
+ fw->size) {
+ wiphy_err(wl->wiphy,
+ "%s: conflicting bin/hdr\n",
+ __func__);
+ rc = -EBADF;
+ }
+ }
+ }
+ }
+ if (rc == 0 && wl->fw.fw_cnt != i) {
+ wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
+ wl->fw.fw_cnt);
+ rc = -EBADF;
+ }
+ return rc;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
+{
+ bool blocked = wlc_check_radio_disabled(wl->wlc);
+
+ UNLOCK(wl);
+ wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
+ if (blocked)
+ wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
+ LOCK(wl);
+ return blocked;
+}
+
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void brcms_msleep(struct brcms_info *wl, uint ms)
+{
+ UNLOCK(wl);
+ msleep(ms);
+ LOCK(wl);
+}
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _wl_mac80211_h_
+#define _wl_mac80211_h_
+
+/* softmac ioctl definitions */
+#define WLC_SET_SHORTSLOT_OVERRIDE 146
+
+
+/* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and
+ * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be
+ * submitted to workqueue instead of being on kernel timer
+ */
+struct brcms_timer {
+ struct timer_list timer;
+ struct brcms_info *wl;
+ void (*fn) (void *);
+ void *arg; /* argument to fn */
+ uint ms;
+ bool periodic;
+ bool set;
+ struct brcms_timer *next;
+#ifdef BCMDBG
+ char *name; /* Description of the timer */
+#endif
+};
+
+struct brcms_if {
+ uint subunit; /* WDS/BSS unit */
+ struct pci_dev *pci_dev;
+};
+
+#define MAX_FW_IMAGES 4
+struct brcms_firmware {
+ u32 fw_cnt;
+ const struct firmware *fw_bin[MAX_FW_IMAGES];
+ const struct firmware *fw_hdr[MAX_FW_IMAGES];
+ u32 hdr_num_entries[MAX_FW_IMAGES];
+};
+
+struct brcms_info {
+ struct wlc_pub *pub; /* pointer to public wlc state */
+ void *wlc; /* pointer to private common os-independent data */
+ u32 magic;
+
+ int irq;
+
+ spinlock_t lock; /* per-device perimeter lock */
+ spinlock_t isr_lock; /* per-device ISR synchronization lock */
+
+ /* bus type and regsva for unmap in brcms_free() */
+ uint bcm_bustype; /* bus type */
+ void *regsva; /* opaque chip registers virtual address */
+
+ /* timer related fields */
+ atomic_t callbacks; /* # outstanding callback functions */
+ struct brcms_timer *timers; /* timer cleanup queue */
+
+ struct tasklet_struct tasklet; /* dpc tasklet */
+ bool resched; /* dpc needs to be and is rescheduled */
+#ifdef LINUXSTA_PS
+ u32 pci_psstate[16]; /* pci ps-state save/restore */
+#endif
+ struct brcms_firmware fw;
+ struct wiphy *wiphy;
+};
+#endif /* _wl_mac80211_h_ */
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/types.h>
+#include <bcmdefs.h>
+#include <ucode_loader.h>
+
+enum {
+ D11UCODE_NAMETAG_START = 0,
+ D11LCN0BSINITVALS24,
+ D11LCN0INITVALS24,
+ D11LCN1BSINITVALS24,
+ D11LCN1INITVALS24,
+ D11LCN2BSINITVALS24,
+ D11LCN2INITVALS24,
+ D11N0ABSINITVALS16,
+ D11N0BSINITVALS16,
+ D11N0INITVALS16,
+ D11UCODE_OVERSIGHT16_MIMO,
+ D11UCODE_OVERSIGHT16_MIMOSZ,
+ D11UCODE_OVERSIGHT24_LCN,
+ D11UCODE_OVERSIGHT24_LCNSZ,
+ D11UCODE_OVERSIGHT_BOMMAJOR,
+ D11UCODE_OVERSIGHT_BOMMINOR
+};
+
+struct d11init *d11lcn0bsinitvals24;
+struct d11init *d11lcn0initvals24;
+struct d11init *d11lcn1bsinitvals24;
+struct d11init *d11lcn1initvals24;
+struct d11init *d11lcn2bsinitvals24;
+struct d11init *d11lcn2initvals24;
+struct d11init *d11n0absinitvals16;
+struct d11init *d11n0bsinitvals16;
+struct d11init *d11n0initvals16;
+u32 *bcm43xx_16_mimo;
+u32 bcm43xx_16_mimosz;
+u32 *bcm43xx_24_lcn;
+u32 bcm43xx_24_lcnsz;
+u32 *bcm43xx_bommajor;
+u32 *bcm43xx_bomminor;
+
+int brcms_ucode_data_init(struct brcms_info *wl)
+{
+ int rc;
+ rc = brcms_check_firmwares(wl);
+
+ rc = rc < 0 ? rc :
+ brcms_ucode_init_buf(wl, (void **)&d11lcn0bsinitvals24,
+ D11LCN0BSINITVALS24);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11lcn0initvals24,
+ D11LCN0INITVALS24);
+ rc = rc < 0 ? rc :
+ brcms_ucode_init_buf(wl, (void **)&d11lcn1bsinitvals24,
+ D11LCN1BSINITVALS24);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11lcn1initvals24,
+ D11LCN1INITVALS24);
+ rc = rc < 0 ? rc :
+ brcms_ucode_init_buf(wl, (void **)&d11lcn2bsinitvals24,
+ D11LCN2BSINITVALS24);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11lcn2initvals24,
+ D11LCN2INITVALS24);
+ rc = rc < 0 ? rc :
+ brcms_ucode_init_buf(wl, (void **)&d11n0absinitvals16,
+ D11N0ABSINITVALS16);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11n0bsinitvals16,
+ D11N0BSINITVALS16);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11n0initvals16,
+ D11N0INITVALS16);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_16_mimo,
+ D11UCODE_OVERSIGHT16_MIMO);
+ rc = rc < 0 ? rc : brcms_ucode_init_uint(wl, &bcm43xx_16_mimosz,
+ D11UCODE_OVERSIGHT16_MIMOSZ);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_24_lcn,
+ D11UCODE_OVERSIGHT24_LCN);
+ rc = rc < 0 ? rc : brcms_ucode_init_uint(wl, &bcm43xx_24_lcnsz,
+ D11UCODE_OVERSIGHT24_LCNSZ);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_bommajor,
+ D11UCODE_OVERSIGHT_BOMMAJOR);
+ rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_bomminor,
+ D11UCODE_OVERSIGHT_BOMMINOR);
+ return rc;
+}
+
+void brcms_ucode_data_free(void)
+{
+ brcms_ucode_free_buf((void *)d11lcn0bsinitvals24);
+ brcms_ucode_free_buf((void *)d11lcn0initvals24);
+ brcms_ucode_free_buf((void *)d11lcn1bsinitvals24);
+ brcms_ucode_free_buf((void *)d11lcn1initvals24);
+ brcms_ucode_free_buf((void *)d11lcn2bsinitvals24);
+ brcms_ucode_free_buf((void *)d11lcn2initvals24);
+ brcms_ucode_free_buf((void *)d11n0absinitvals16);
+ brcms_ucode_free_buf((void *)d11n0bsinitvals16);
+ brcms_ucode_free_buf((void *)d11n0initvals16);
+ brcms_ucode_free_buf((void *)bcm43xx_16_mimo);
+ brcms_ucode_free_buf((void *)bcm43xx_24_lcn);
+ brcms_ucode_free_buf((void *)bcm43xx_bommajor);
+ brcms_ucode_free_buf((void *)bcm43xx_bomminor);
+
+ return;
+}
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "wlc_types.h" /* forward structure declarations */
+
+#define MIN_FW_SIZE 40000 /* minimum firmware file size in bytes */
+#define MAX_FW_SIZE 150000
+
+#define UCODE_LOADER_API_VER 0
+
+struct d11init {
+ u16 addr;
+ u16 size;
+ u32 value;
+};
+
+extern struct d11init *d11lcn0bsinitvals24;
+extern struct d11init *d11lcn0initvals24;
+extern struct d11init *d11lcn1bsinitvals24;
+extern struct d11init *d11lcn1initvals24;
+extern struct d11init *d11lcn2bsinitvals24;
+extern struct d11init *d11lcn2initvals24;
+extern struct d11init *d11n0absinitvals16;
+extern struct d11init *d11n0bsinitvals16;
+extern struct d11init *d11n0initvals16;
+extern u32 *bcm43xx_16_mimo;
+extern u32 bcm43xx_16_mimosz;
+extern u32 *bcm43xx_24_lcn;
+extern u32 bcm43xx_24_lcnsz;
+
+extern int brcms_ucode_data_init(struct brcms_info *wl);
+extern void brcms_ucode_data_free(void);
+
+extern int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf,
+ unsigned int idx);
+extern int brcms_ucode_init_uint(struct brcms_info *wl, unsigned *data,
+ unsigned int idx);
+extern void brcms_ucode_free_buf(void *);
+extern int brcms_check_firmwares(struct brcms_info *wl);
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#define __UNDEF_NO_VERSION__
-
-#include <linux/kernel.h>
-#include <linux/etherdevice.h>
-#include <linux/types.h>
-#include <linux/pci_ids.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/firmware.h>
-#include <net/mac80211.h>
-#include <bcmdefs.h>
-#include <bcmwifi.h>
-#include <bcmutils.h>
-#include <bcmnvram.h>
-#include <nicpci.h>
-#include "bcmdma.h"
-
-#include "phy/wlc_phy_int.h"
-#include "d11.h"
-#include "wlc_types.h"
-#include "wlc_cfg.h"
-#include "wlc_key.h"
-#include "wlc_channel.h"
-#include "wlc_scb.h"
-#include "wlc_pub.h"
-#include "wl_dbg.h"
-#include "wl_export.h"
-#include "wl_ucode.h"
-#include "wl_mac80211.h"
-
-#define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
-
-#define LOCK(wl) spin_lock_bh(&(wl)->lock)
-#define UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
-
-/* locking from inside brcms_isr */
-#define ISR_LOCK(wl, flags)\
- do {\
- spin_lock(&(wl)->isr_lock);\
- (void)(flags); } \
- while (0)
-
-#define ISR_UNLOCK(wl, flags)\
- do {\
- spin_unlock(&(wl)->isr_lock);\
- (void)(flags); } \
- while (0)
-
-/* locking under LOCK() to synchronize with brcms_isr */
-#define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
-#define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
-
-static void brcms_timer(unsigned long data);
-static void _brcms_timer(struct brcms_timer *t);
-
-
-static int ieee_hw_init(struct ieee80211_hw *hw);
-static int ieee_hw_rate_init(struct ieee80211_hw *hw);
-
-static int wl_linux_watchdog(void *ctx);
-
-/* Flags we support */
-#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
- FIF_ALLMULTI | \
- FIF_FCSFAIL | \
- FIF_PLCPFAIL | \
- FIF_CONTROL | \
- FIF_OTHER_BSS | \
- FIF_BCN_PRBRESP_PROMISC)
-
-static int n_adapters_found;
-
-static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev);
-static void brcms_release_fw(struct brcms_info *wl);
-
-/* local prototypes */
-static void brcms_dpc(unsigned long data);
-static irqreturn_t brcms_isr(int irq, void *dev_id);
-
-static int __devinit brcms_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent);
-static void brcms_remove(struct pci_dev *pdev);
-static void brcms_free(struct brcms_info *wl);
-static void brcms_set_basic_rate(struct wl_rateset *rs, u16 rate, bool is_br);
-
-MODULE_AUTHOR("Broadcom Corporation");
-MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
-MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
-MODULE_LICENSE("Dual BSD/GPL");
-
-/* recognized PCI IDs */
-static DEFINE_PCI_DEVICE_TABLE(brcms_pci_id_table) = {
- {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */
- {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */
- {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */
- /* 43224 Ven */
- {PCI_VENDOR_ID_BROADCOM, 0x0576, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
- {0}
-};
-
-MODULE_DEVICE_TABLE(pci, brcms_pci_id_table);
-
-#ifdef BCMDBG
-static int msglevel = 0xdeadbeef;
-module_param(msglevel, int, 0);
-static int phymsglevel = 0xdeadbeef;
-module_param(phymsglevel, int, 0);
-#endif /* BCMDBG */
-
-#define HW_TO_WL(hw) (hw->priv)
-#define WL_TO_HW(wl) (wl->pub->ieee_hw)
-
-/* MAC80211 callback functions */
-static int brcms_ops_start(struct ieee80211_hw *hw);
-static void brcms_ops_stop(struct ieee80211_hw *hw);
-static int brcms_ops_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-static void brcms_ops_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed);
-static void brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info,
- u32 changed);
-static void brcms_ops_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags, u64 multicast);
-static int brcms_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
- bool set);
-static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw);
-static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw);
-static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
-static int brcms_ops_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats);
-static void brcms_ops_sta_notify(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum sta_notify_cmd cmd,
- struct ieee80211_sta *sta);
-static int brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
- const struct ieee80211_tx_queue_params *params);
-static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw);
-static int brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
-static int brcms_ops_sta_remove(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
-static int brcms_ops_ampdu_action(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn,
- u8 buf_size);
-static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw);
-static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop);
-
-static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
- struct brcms_info *wl = hw->priv;
-
- LOCK(wl);
- if (!wl->pub->up) {
- wiphy_err(wl->wiphy, "ops->tx called while down\n");
- kfree_skb(skb);
- goto done;
- }
- wlc_sendpkt_mac80211(wl->wlc, skb, hw);
- done:
- UNLOCK(wl);
-}
-
-static int brcms_ops_start(struct ieee80211_hw *hw)
-{
- struct brcms_info *wl = hw->priv;
- bool blocked;
- /*
- struct ieee80211_channel *curchan = hw->conf.channel;
- */
-
- ieee80211_wake_queues(hw);
- LOCK(wl);
- blocked = brcms_rfkill_set_hw_state(wl);
- UNLOCK(wl);
- if (!blocked)
- wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
-
- return 0;
-}
-
-static void brcms_ops_stop(struct ieee80211_hw *hw)
-{
- ieee80211_stop_queues(hw);
-}
-
-static int
-brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-{
- struct brcms_info *wl;
- int err;
-
- /* Just STA for now */
- if (vif->type != NL80211_IFTYPE_AP &&
- vif->type != NL80211_IFTYPE_MESH_POINT &&
- vif->type != NL80211_IFTYPE_STATION &&
- vif->type != NL80211_IFTYPE_WDS &&
- vif->type != NL80211_IFTYPE_ADHOC) {
- wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only"
- " STA for now\n", __func__, vif->type);
- return -EOPNOTSUPP;
- }
-
- wl = HW_TO_WL(hw);
- LOCK(wl);
- err = brcms_up(wl);
- UNLOCK(wl);
-
- if (err != 0) {
- wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__,
- err);
- }
- return err;
-}
-
-static void
-brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-{
- struct brcms_info *wl;
-
- wl = HW_TO_WL(hw);
-
- /* put driver in down state */
- LOCK(wl);
- brcms_down(wl);
- UNLOCK(wl);
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-static int
-ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
- enum nl80211_channel_type type)
-{
- struct brcms_info *wl = HW_TO_WL(hw);
- int err = 0;
-
- switch (type) {
- case NL80211_CHAN_HT20:
- case NL80211_CHAN_NO_HT:
- err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
- break;
- case NL80211_CHAN_HT40MINUS:
- case NL80211_CHAN_HT40PLUS:
- wiphy_err(hw->wiphy,
- "%s: Need to implement 40 Mhz Channels!\n", __func__);
- err = 1;
- break;
- }
-
- if (err)
- return -EIO;
- return err;
-}
-
-static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
-{
- struct ieee80211_conf *conf = &hw->conf;
- struct brcms_info *wl = HW_TO_WL(hw);
- int err = 0;
- int new_int;
- struct wiphy *wiphy = hw->wiphy;
-
- LOCK(wl);
- if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
- if (wlc_set_par(wl->wlc, IOV_BCN_LI_BCN, conf->listen_interval)
- < 0) {
- wiphy_err(wiphy, "%s: Error setting listen_interval\n",
- __func__);
- err = -EIO;
- goto config_out;
- }
- wlc_get_par(wl->wlc, IOV_BCN_LI_BCN, &new_int);
- }
- if (changed & IEEE80211_CONF_CHANGE_MONITOR)
- wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
- __func__, conf->flags & IEEE80211_CONF_MONITOR ?
- "true" : "false");
- if (changed & IEEE80211_CONF_CHANGE_PS)
- wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n",
- __func__, conf->flags & IEEE80211_CONF_PS ?
- "true" : "false");
-
- if (changed & IEEE80211_CONF_CHANGE_POWER) {
- if (wlc_set_par(wl->wlc, IOV_QTXPOWER, conf->power_level * 4)
- < 0) {
- wiphy_err(wiphy, "%s: Error setting power_level\n",
- __func__);
- err = -EIO;
- goto config_out;
- }
- wlc_get_par(wl->wlc, IOV_QTXPOWER, &new_int);
- if (new_int != (conf->power_level * 4))
- wiphy_err(wiphy, "%s: Power level req != actual, %d %d"
- "\n", __func__, conf->power_level * 4,
- new_int);
- }
- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- err = ieee_set_channel(hw, conf->channel, conf->channel_type);
- }
- if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
- if (wlc_set
- (wl->wlc, WLC_SET_SRL,
- conf->short_frame_max_tx_count) < 0) {
- wiphy_err(wiphy, "%s: Error setting srl\n", __func__);
- err = -EIO;
- goto config_out;
- }
- if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
- < 0) {
- wiphy_err(wiphy, "%s: Error setting lrl\n", __func__);
- err = -EIO;
- goto config_out;
- }
- }
-
- config_out:
- UNLOCK(wl);
- return err;
-}
-
-static void
-brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info, u32 changed)
-{
- struct brcms_info *wl = HW_TO_WL(hw);
- struct wiphy *wiphy = hw->wiphy;
- int val;
-
- if (changed & BSS_CHANGED_ASSOC) {
- /* association status changed (associated/disassociated)
- * also implies a change in the AID.
- */
- wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME,
- __func__, info->assoc ? "" : "dis");
- LOCK(wl);
- wlc_associate_upd(wl->wlc, info->assoc);
- UNLOCK(wl);
- }
- if (changed & BSS_CHANGED_ERP_SLOT) {
- /* slot timing changed */
- if (info->use_short_slot)
- val = 1;
- else
- val = 0;
- LOCK(wl);
- wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
- UNLOCK(wl);
- }
-
- if (changed & BSS_CHANGED_HT) {
- /* 802.11n parameters changed */
- u16 mode = info->ht_operation_mode;
-
- LOCK(wl);
- wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG,
- mode & IEEE80211_HT_OP_MODE_PROTECTION);
- wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF,
- mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
- wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS,
- mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
- UNLOCK(wl);
- }
- if (changed & BSS_CHANGED_BASIC_RATES) {
- struct ieee80211_supported_band *bi;
- u32 br_mask, i;
- u16 rate;
- struct wl_rateset rs;
- int error;
-
- /* retrieve the current rates */
- LOCK(wl);
- error = wlc_ioctl(wl->wlc, WLC_GET_CURR_RATESET,
- &rs, sizeof(rs), NULL);
- UNLOCK(wl);
- if (error) {
- wiphy_err(wiphy, "%s: retrieve rateset failed: %d\n",
- __func__, error);
- return;
- }
- br_mask = info->basic_rates;
- bi = hw->wiphy->bands[wlc_get_curband(wl->wlc)];
- for (i = 0; i < bi->n_bitrates; i++) {
- /* convert to internal rate value */
- rate = (bi->bitrates[i].bitrate << 1) / 10;
-
- /* set/clear basic rate flag */
- brcms_set_basic_rate(&rs, rate, br_mask & 1);
- br_mask >>= 1;
- }
-
- /* update the rate set */
- LOCK(wl);
- wlc_ioctl(wl->wlc, WLC_SET_RATESET, &rs, sizeof(rs), NULL);
- UNLOCK(wl);
- }
- if (changed & BSS_CHANGED_BEACON_INT) {
- /* Beacon interval changed */
- LOCK(wl);
- wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int);
- UNLOCK(wl);
- }
- if (changed & BSS_CHANGED_BSSID) {
- /* BSSID changed, for whatever reason (IBSS and managed mode) */
- LOCK(wl);
- wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
- info->bssid);
- UNLOCK(wl);
- }
- if (changed & BSS_CHANGED_BEACON) {
- /* Beacon data changed, retrieve new beacon (beaconing modes) */
- wiphy_err(wiphy, "%s: beacon changed\n", __func__);
- }
- if (changed & BSS_CHANGED_BEACON_ENABLED) {
- /* Beaconing should be enabled/disabled (beaconing modes) */
- wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__,
- info->enable_beacon ? "true" : "false");
- }
- if (changed & BSS_CHANGED_CQM) {
- /* Connection quality monitor config changed */
- wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d "
- " (implement)\n", __func__, info->cqm_rssi_thold,
- info->cqm_rssi_hyst);
- }
- if (changed & BSS_CHANGED_IBSS) {
- /* IBSS join status changed */
- wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__,
- info->ibss_joined ? "true" : "false");
- }
- if (changed & BSS_CHANGED_ARP_FILTER) {
- /* Hardware ARP filter address list or state changed */
- wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d"
- " (implement)\n", __func__, info->arp_filter_enabled ?
- "true" : "false", info->arp_addr_cnt);
- }
- if (changed & BSS_CHANGED_QOS) {
- /*
- * QoS for this association was enabled/disabled.
- * Note that it is only ever disabled for station mode.
- */
- wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__,
- info->qos ? "true" : "false");
- }
- if (changed & BSS_CHANGED_IDLE) {
- /* Idle changed for this BSS/interface */
- wiphy_err(wiphy, "%s: BSS idle: %s (implement)\n", __func__,
- info->idle ? "true" : "false");
- }
- return;
-}
-
-static void
-brcms_ops_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags, u64 multicast)
-{
- struct brcms_info *wl = hw->priv;
- struct wiphy *wiphy = hw->wiphy;
-
- changed_flags &= MAC_FILTERS;
- *total_flags &= MAC_FILTERS;
- if (changed_flags & FIF_PROMISC_IN_BSS)
- wiphy_err(wiphy, "FIF_PROMISC_IN_BSS\n");
- if (changed_flags & FIF_ALLMULTI)
- wiphy_err(wiphy, "FIF_ALLMULTI\n");
- if (changed_flags & FIF_FCSFAIL)
- wiphy_err(wiphy, "FIF_FCSFAIL\n");
- if (changed_flags & FIF_PLCPFAIL)
- wiphy_err(wiphy, "FIF_PLCPFAIL\n");
- if (changed_flags & FIF_CONTROL)
- wiphy_err(wiphy, "FIF_CONTROL\n");
- if (changed_flags & FIF_OTHER_BSS)
- wiphy_err(wiphy, "FIF_OTHER_BSS\n");
- if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
- LOCK(wl);
- if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
- wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
- wlc_mac_bcn_promisc_change(wl->wlc, 1);
- } else {
- wlc_mac_bcn_promisc_change(wl->wlc, 0);
- wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
- }
- UNLOCK(wl);
- }
- return;
-}
-
-static int
-brcms_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
-{
- return 0;
-}
-
-static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
-{
- struct brcms_info *wl = hw->priv;
- LOCK(wl);
- wlc_scan_start(wl->wlc);
- UNLOCK(wl);
- return;
-}
-
-static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
-{
- struct brcms_info *wl = hw->priv;
- LOCK(wl);
- wlc_scan_stop(wl->wlc);
- UNLOCK(wl);
- return;
-}
-
-static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
-{
- wiphy_err(hw->wiphy, "%s: Enter\n", __func__);
- return;
-}
-
-static int
-brcms_ops_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
-{
- struct brcms_info *wl = hw->priv;
- struct wl_cnt *cnt;
-
- LOCK(wl);
- cnt = wl->pub->_cnt;
- stats->dot11ACKFailureCount = 0;
- stats->dot11RTSFailureCount = 0;
- stats->dot11FCSErrorCount = 0;
- stats->dot11RTSSuccessCount = 0;
- UNLOCK(wl);
- return 0;
-}
-
-static void
-brcms_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
-{
- switch (cmd) {
- default:
- wiphy_err(hw->wiphy, "%s: Unknown cmd = %d\n", __func__,
- cmd);
- break;
- }
- return;
-}
-
-static int
-brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
- const struct ieee80211_tx_queue_params *params)
-{
- struct brcms_info *wl = hw->priv;
-
- LOCK(wl);
- wlc_wme_setparams(wl->wlc, queue, params, true);
- UNLOCK(wl);
-
- return 0;
-}
-
-static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw)
-{
- wiphy_err(hw->wiphy, "%s: Enter\n", __func__);
- return 0;
-}
-
-static int
-brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
-{
- struct scb *scb;
-
- int i;
- struct brcms_info *wl = hw->priv;
-
- /* Init the scb */
- scb = (struct scb *)sta->drv_priv;
- memset(scb, 0, sizeof(struct scb));
- for (i = 0; i < NUMPRIO; i++)
- scb->seqctl[i] = 0xFFFF;
- scb->seqctl_nonqos = 0xFFFF;
- scb->magic = SCB_MAGIC;
-
- wl->pub->global_scb = scb;
- wl->pub->global_ampdu = &(scb->scb_ampdu);
- wl->pub->global_ampdu->scb = scb;
- wl->pub->global_ampdu->max_pdu = 16;
- bcm_pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
- AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
-
- sta->ht_cap.ht_supported = true;
- sta->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
- sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
- sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
- IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
-
- /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
- return 0;
-}
-
-static int
-brcms_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
-{
- return 0;
-}
-
-static int
-brcms_ops_ampdu_action(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn,
- u8 buf_size)
-{
- struct scb *scb = (struct scb *)sta->drv_priv;
- struct brcms_info *wl = hw->priv;
- int status;
-
- if (WARN_ON(scb->magic != SCB_MAGIC))
- return -EIDRM;
- switch (action) {
- case IEEE80211_AMPDU_RX_START:
- break;
- case IEEE80211_AMPDU_RX_STOP:
- break;
- case IEEE80211_AMPDU_TX_START:
- LOCK(wl);
- status = wlc_aggregatable(wl->wlc, tid);
- UNLOCK(wl);
- if (!status) {
- wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
- tid);
- return -EINVAL;
- }
- /* XXX: Use the starting sequence number provided ... */
- *ssn = 0;
- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
-
- case IEEE80211_AMPDU_TX_STOP:
- LOCK(wl);
- wlc_ampdu_flush(wl->wlc, sta, tid);
- UNLOCK(wl);
- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
- case IEEE80211_AMPDU_TX_OPERATIONAL:
- /* Not sure what to do here */
- /* Power save wakeup */
- break;
- default:
- wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n",
- __func__);
- }
-
- return 0;
-}
-
-static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
-{
- struct brcms_info *wl = HW_TO_WL(hw);
- bool blocked;
-
- LOCK(wl);
- blocked = wlc_check_radio_disabled(wl->wlc);
- UNLOCK(wl);
-
- wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
-}
-
-static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
-{
- struct brcms_info *wl = HW_TO_WL(hw);
-
- no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
-
- /* wait for packet queue and dma fifos to run empty */
- LOCK(wl);
- wlc_wait_for_tx_completion(wl->wlc, drop);
- UNLOCK(wl);
-}
-
-static const struct ieee80211_ops brcms_ops = {
- .tx = brcms_ops_tx,
- .start = brcms_ops_start,
- .stop = brcms_ops_stop,
- .add_interface = brcms_ops_add_interface,
- .remove_interface = brcms_ops_remove_interface,
- .config = brcms_ops_config,
- .bss_info_changed = brcms_ops_bss_info_changed,
- .configure_filter = brcms_ops_configure_filter,
- .set_tim = brcms_ops_set_tim,
- .sw_scan_start = brcms_ops_sw_scan_start,
- .sw_scan_complete = brcms_ops_sw_scan_complete,
- .set_tsf = brcms_ops_set_tsf,
- .get_stats = brcms_ops_get_stats,
- .sta_notify = brcms_ops_sta_notify,
- .conf_tx = brcms_ops_conf_tx,
- .get_tsf = brcms_ops_get_tsf,
- .sta_add = brcms_ops_sta_add,
- .sta_remove = brcms_ops_sta_remove,
- .ampdu_action = brcms_ops_ampdu_action,
- .rfkill_poll = brcms_ops_rfkill_poll,
- .flush = brcms_ops_flush,
-};
-
-/*
- * is called in brcms_pci_probe() context, therefore no locking required.
- */
-static int brcms_set_hint(struct brcms_info *wl, char *abbrev)
-{
- return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
-}
-
-/**
- * attach to the WL device.
- *
- * Attach to the WL device identified by vendor and device parameters.
- * regs is a host accessible memory address pointing to WL device registers.
- *
- * brcms_attach is not defined as static because in the case where no bus
- * is defined, wl_attach will never be called, and thus, gcc will issue
- * a warning that this function is defined but not used if we declare
- * it as static.
- *
- *
- * is called in brcms_pci_probe() context, therefore no locking required.
- */
-static struct brcms_info *brcms_attach(u16 vendor, u16 device,
- unsigned long regs,
- uint bustype, void *btparam, uint irq)
-{
- struct brcms_info *wl = NULL;
- int unit, err;
- unsigned long base_addr;
- struct ieee80211_hw *hw;
- u8 perm[ETH_ALEN];
-
- unit = n_adapters_found;
- err = 0;
-
- if (unit < 0) {
- return NULL;
- }
-
- /* allocate private info */
- hw = pci_get_drvdata(btparam); /* btparam == pdev */
- if (hw != NULL)
- wl = hw->priv;
- if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
- return NULL;
- wl->wiphy = hw->wiphy;
-
- atomic_set(&wl->callbacks, 0);
-
- /* setup the bottom half handler */
- tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
-
-
-
- base_addr = regs;
-
- if (bustype == PCI_BUS || bustype == RPC_BUS) {
- /* Do nothing */
- } else {
- bustype = PCI_BUS;
- BCMMSG(wl->wiphy, "force to PCI\n");
- }
- wl->bcm_bustype = bustype;
-
- wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
- if (wl->regsva == NULL) {
- wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
- goto fail;
- }
- spin_lock_init(&wl->lock);
- spin_lock_init(&wl->isr_lock);
-
- /* prepare ucode */
- if (brcms_request_fw(wl, (struct pci_dev *)btparam) < 0) {
- wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
- "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
- brcms_release_fw(wl);
- brcms_remove((struct pci_dev *)btparam);
- return NULL;
- }
-
- /* common load-time initialization */
- wl->wlc = wlc_attach((void *)wl, vendor, device, unit, false,
- wl->regsva, wl->bcm_bustype, btparam, &err);
- brcms_release_fw(wl);
- if (!wl->wlc) {
- wiphy_err(wl->wiphy, "%s: wlc_attach() failed with code %d\n",
- KBUILD_MODNAME, err);
- goto fail;
- }
- wl->pub = wlc_pub(wl->wlc);
-
- wl->pub->ieee_hw = hw;
-
- if (wlc_set_par(wl->wlc, IOV_MPC, 0) < 0) {
- wiphy_err(wl->wiphy, "wl%d: Error setting MPC variable to 0\n",
- unit);
- }
-
- /* register our interrupt handler */
- if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
- wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
- goto fail;
- }
- wl->irq = irq;
-
- /* register module */
- wlc_module_register(wl->pub, "linux", wl, wl_linux_watchdog, NULL);
-
- if (ieee_hw_init(hw)) {
- wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
- __func__);
- goto fail;
- }
-
- memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
- if (WARN_ON(!is_valid_ether_addr(perm)))
- goto fail;
- SET_IEEE80211_PERM_ADDR(hw, perm);
-
- err = ieee80211_register_hw(hw);
- if (err) {
- wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
- "%d\n", __func__, err);
- }
-
- if (wl->pub->srom_ccode[0])
- err = brcms_set_hint(wl, wl->pub->srom_ccode);
- else
- err = brcms_set_hint(wl, "US");
- if (err) {
- wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
- __func__, err);
- }
-
- n_adapters_found++;
- return wl;
-
-fail:
- brcms_free(wl);
- return NULL;
-}
-
-
-
-#define CHAN2GHZ(channel, freqency, chflags) { \
- .band = IEEE80211_BAND_2GHZ, \
- .center_freq = (freqency), \
- .hw_value = (channel), \
- .flags = chflags, \
- .max_antenna_gain = 0, \
- .max_power = 19, \
-}
-
-static struct ieee80211_channel brcms_2ghz_chantable[] = {
- CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(5, 2432, 0),
- CHAN2GHZ(6, 2437, 0),
- CHAN2GHZ(7, 2442, 0),
- CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(12, 2467,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(13, 2472,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(14, 2484,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
-};
-
-#define CHAN5GHZ(channel, chflags) { \
- .band = IEEE80211_BAND_5GHZ, \
- .center_freq = 5000 + 5*(channel), \
- .hw_value = (channel), \
- .flags = chflags, \
- .max_antenna_gain = 0, \
- .max_power = 21, \
-}
-
-static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
- /* UNII-1 */
- CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
- /* UNII-2 */
- CHAN5GHZ(52,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(56,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(60,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(64,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- /* MID */
- CHAN5GHZ(100,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(104,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(108,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(112,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(116,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(120,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(124,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(128,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(132,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(136,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(140,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
- IEEE80211_CHAN_NO_HT40MINUS),
- /* UNII-3 */
- CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
-};
-
-#define RATE(rate100m, _flags) { \
- .bitrate = (rate100m), \
- .flags = (_flags), \
- .hw_value = (rate100m / 5), \
-}
-
-static struct ieee80211_rate legacy_ratetable[] = {
- RATE(10, 0),
- RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(60, 0),
- RATE(90, 0),
- RATE(120, 0),
- RATE(180, 0),
- RATE(240, 0),
- RATE(360, 0),
- RATE(480, 0),
- RATE(540, 0),
-};
-
-static struct ieee80211_supported_band brcms_band_2GHz_nphy = {
- .band = IEEE80211_BAND_2GHZ,
- .channels = brcms_2ghz_chantable,
- .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
- .bitrates = legacy_ratetable,
- .n_bitrates = ARRAY_SIZE(legacy_ratetable),
- .ht_cap = {
- /* from include/linux/ieee80211.h */
- .cap = IEEE80211_HT_CAP_GRN_FLD |
- IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
- .ht_supported = true,
- .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
- .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
- .mcs = {
- /* placeholders for now */
- .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
- .rx_highest = 500,
- .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
- }
-};
-
-static struct ieee80211_supported_band brcms_band_5GHz_nphy = {
- .band = IEEE80211_BAND_5GHZ,
- .channels = brcms_5ghz_nphy_chantable,
- .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
- .bitrates = legacy_ratetable + 4,
- .n_bitrates = ARRAY_SIZE(legacy_ratetable) - 4,
- .ht_cap = {
- /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
- .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
- .ht_supported = true,
- .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
- .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
- .mcs = {
- /* placeholders for now */
- .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
- .rx_highest = 500,
- .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
- }
-};
-
-/*
- * is called in brcms_pci_probe() context, therefore no locking required.
- */
-static int ieee_hw_rate_init(struct ieee80211_hw *hw)
-{
- struct brcms_info *wl = HW_TO_WL(hw);
- int has_5g;
- char phy_list[4];
-
- has_5g = 0;
-
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
-
- if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
- wiphy_err(hw->wiphy, "Phy list failed\n");
- }
-
- if (phy_list[0] == 'n' || phy_list[0] == 'c') {
- if (phy_list[0] == 'c') {
- /* Single stream */
- brcms_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
- brcms_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
- }
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &brcms_band_2GHz_nphy;
- } else {
- return -EPERM;
- }
-
- /* Assume all bands use the same phy. True for 11n devices. */
- if (NBANDS_PUB(wl->pub) > 1) {
- has_5g++;
- if (phy_list[0] == 'n' || phy_list[0] == 'c') {
- hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &brcms_band_5GHz_nphy;
- } else {
- return -EPERM;
- }
- }
- return 0;
-}
-
-/*
- * is called in brcms_pci_probe() context, therefore no locking required.
- */
-static int ieee_hw_init(struct ieee80211_hw *hw)
-{
- hw->flags = IEEE80211_HW_SIGNAL_DBM
- /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
- | IEEE80211_HW_REPORTS_TX_ACK_STATUS
- | IEEE80211_HW_AMPDU_AGGREGATION;
-
- hw->extra_tx_headroom = wlc_get_header_len();
- hw->queues = N_TX_QUEUES;
- /* FIXME: this doesn't seem to be used properly in minstrel_ht.
- * mac80211/status.c:ieee80211_tx_status() checks this value,
- * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
- * appears to always set 3 rates
- */
- hw->max_rates = 2; /* Primary rate and 1 fallback rate */
-
- hw->channel_change_time = 7 * 1000; /* channel change time is dependent on chip and band */
- hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
-
- hw->rate_control_algorithm = "minstrel_ht";
-
- hw->sta_data_size = sizeof(struct scb);
- return ieee_hw_rate_init(hw);
-}
-
-/**
- * determines if a device is a WL device, and if so, attaches it.
- *
- * This function determines if a device pointed to by pdev is a WL device,
- * and if so, performs a brcms_attach() on it.
- *
- * Perimeter lock is initialized in the course of this function.
- */
-static int __devinit
-brcms_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- int rc;
- struct brcms_info *wl;
- struct ieee80211_hw *hw;
- u32 val;
-
- dev_info(&pdev->dev, "bus %d slot %d func %d irq %d\n",
- pdev->bus->number, PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn), pdev->irq);
-
- if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
- ((pdev->device != 0x0576) &&
- ((pdev->device & 0xff00) != 0x4300) &&
- ((pdev->device & 0xff00) != 0x4700) &&
- ((pdev->device < 43000) || (pdev->device > 43999))))
- return -ENODEV;
-
- rc = pci_enable_device(pdev);
- if (rc) {
- pr_err("%s: Cannot enable device %d-%d_%d\n",
- __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
- PCI_FUNC(pdev->devfn));
- return -ENODEV;
- }
- pci_set_master(pdev);
-
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
- hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
- if (!hw) {
- pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
- return -ENOMEM;
- }
-
- SET_IEEE80211_DEV(hw, &pdev->dev);
-
- pci_set_drvdata(pdev, hw);
-
- memset(hw->priv, 0, sizeof(*wl));
-
- wl = brcms_attach(pdev->vendor, pdev->device,
- pci_resource_start(pdev, 0), PCI_BUS, pdev,
- pdev->irq);
-
- if (!wl) {
- pr_err("%s: %s: brcms_attach failed!\n", KBUILD_MODNAME,
- __func__);
- return -ENODEV;
- }
- return 0;
-}
-
-static int brcms_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct brcms_info *wl;
- struct ieee80211_hw *hw;
-
- hw = pci_get_drvdata(pdev);
- wl = HW_TO_WL(hw);
- if (!wl) {
- wiphy_err(wl->wiphy,
- "brcms_suspend: pci_get_drvdata failed\n");
- return -ENODEV;
- }
-
- /* only need to flag hw is down for proper resume */
- LOCK(wl);
- wl->pub->hw_up = false;
- UNLOCK(wl);
-
- pci_save_state(pdev);
- pci_disable_device(pdev);
- return pci_set_power_state(pdev, PCI_D3hot);
-}
-
-static int brcms_resume(struct pci_dev *pdev)
-{
- struct brcms_info *wl;
- struct ieee80211_hw *hw;
- int err = 0;
- u32 val;
-
- hw = pci_get_drvdata(pdev);
- wl = HW_TO_WL(hw);
- if (!wl) {
- wiphy_err(wl->wiphy,
- "wl: brcms_resume: pci_get_drvdata failed\n");
- return -ENODEV;
- }
-
- err = pci_set_power_state(pdev, PCI_D0);
- if (err)
- return err;
-
- pci_restore_state(pdev);
-
- err = pci_enable_device(pdev);
- if (err)
- return err;
-
- pci_set_master(pdev);
-
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
- /*
- * done. driver will be put in up state
- * in brcms_ops_add_interface() call.
- */
- return err;
-}
-
-/*
-* called from both kernel as from this kernel module.
-* precondition: perimeter lock is not acquired.
-*/
-static void brcms_remove(struct pci_dev *pdev)
-{
- struct brcms_info *wl;
- struct ieee80211_hw *hw;
- int status;
-
- hw = pci_get_drvdata(pdev);
- wl = HW_TO_WL(hw);
- if (!wl) {
- pr_err("wl: brcms_remove: pci_get_drvdata failed\n");
- return;
- }
-
- LOCK(wl);
- status = wlc_chipmatch(pdev->vendor, pdev->device);
- UNLOCK(wl);
- if (!status) {
- wiphy_err(wl->wiphy, "wl: brcms_remove: wlc_chipmatch "
- "failed\n");
- return;
- }
- if (wl->wlc) {
- wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
- wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
- ieee80211_unregister_hw(hw);
- LOCK(wl);
- brcms_down(wl);
- UNLOCK(wl);
- }
- pci_disable_device(pdev);
-
- brcms_free(wl);
-
- pci_set_drvdata(pdev, NULL);
- ieee80211_free_hw(hw);
-}
-
-static struct pci_driver brcms_pci_driver = {
- .name = KBUILD_MODNAME,
- .probe = brcms_pci_probe,
- .suspend = brcms_suspend,
- .resume = brcms_resume,
- .remove = __devexit_p(brcms_remove),
- .id_table = brcms_pci_id_table,
-};
-
-/**
- * This is the main entry point for the WL driver.
- *
- * This function determines if a device pointed to by pdev is a WL device,
- * and if so, performs a brcms_attach() on it.
- *
- */
-static int __init brcms_module_init(void)
-{
- int error = -ENODEV;
-
-#ifdef BCMDBG
- if (msglevel != 0xdeadbeef)
- brcm_msg_level = msglevel;
- else {
- char *var = getvar(NULL, "wl_msglevel");
- if (var) {
- unsigned long value;
-
- (void)strict_strtoul(var, 0, &value);
- brcm_msg_level = value;
- }
- }
- if (phymsglevel != 0xdeadbeef)
- phyhal_msg_level = phymsglevel;
- else {
- char *var = getvar(NULL, "phy_msglevel");
- if (var) {
- unsigned long value;
-
- (void)strict_strtoul(var, 0, &value);
- phyhal_msg_level = value;
- }
- }
-#endif /* BCMDBG */
-
- error = pci_register_driver(&brcms_pci_driver);
- if (!error)
- return 0;
-
-
-
- return error;
-}
-
-/**
- * This function unloads the WL driver from the system.
- *
- * This function unconditionally unloads the WL driver module from the
- * system.
- *
- */
-static void __exit brcms_module_exit(void)
-{
- pci_unregister_driver(&brcms_pci_driver);
-
-}
-
-module_init(brcms_module_init);
-module_exit(brcms_module_exit);
-
-/**
- * This function frees the WL per-device resources.
- *
- * This function frees resources owned by the WL device pointed to
- * by the wl parameter.
- *
- * precondition: can both be called locked and unlocked
- *
- */
-static void brcms_free(struct brcms_info *wl)
-{
- struct brcms_timer *t, *next;
-
- /* free ucode data */
- if (wl->fw.fw_cnt)
- brcms_ucode_data_free();
- if (wl->irq)
- free_irq(wl->irq, wl);
-
- /* kill dpc */
- tasklet_kill(&wl->tasklet);
-
- if (wl->pub) {
- wlc_module_unregister(wl->pub, "linux", wl);
- }
-
- /* free common resources */
- if (wl->wlc) {
- wlc_detach(wl->wlc);
- wl->wlc = NULL;
- wl->pub = NULL;
- }
-
- /* virtual interface deletion is deferred so we cannot spinwait */
-
- /* wait for all pending callbacks to complete */
- while (atomic_read(&wl->callbacks) > 0)
- schedule();
-
- /* free timers */
- for (t = wl->timers; t; t = next) {
- next = t->next;
-#ifdef BCMDBG
- kfree(t->name);
-#endif
- kfree(t);
- }
-
- /*
- * unregister_netdev() calls get_stats() which may read chip registers
- * so we cannot unmap the chip registers until after calling unregister_netdev() .
- */
- if (wl->regsva && wl->bcm_bustype != SDIO_BUS &&
- wl->bcm_bustype != JTAG_BUS) {
- iounmap((void *)wl->regsva);
- }
- wl->regsva = NULL;
-}
-
-/* flags the given rate in rateset as requested */
-static void brcms_set_basic_rate(struct wl_rateset *rs, u16 rate, bool is_br)
-{
- u32 i;
-
- for (i = 0; i < rs->count; i++) {
- if (rate != (rs->rates[i] & 0x7f))
- continue;
-
- if (is_br)
- rs->rates[i] |= WLC_RATE_FLAG;
- else
- rs->rates[i] &= WLC_RATE_MASK;
- return;
- }
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
- bool state, int prio)
-{
- wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__);
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-void brcms_init(struct brcms_info *wl)
-{
- BCMMSG(WL_TO_HW(wl)->wiphy, "wl%d\n", wl->pub->unit);
- brcms_reset(wl);
-
- wlc_init(wl->wlc);
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-uint brcms_reset(struct brcms_info *wl)
-{
- BCMMSG(WL_TO_HW(wl)->wiphy, "wl%d\n", wl->pub->unit);
- wlc_reset(wl->wlc);
-
- /* dpc will not be rescheduled */
- wl->resched = 0;
-
- return 0;
-}
-
-/*
- * These are interrupt on/off entry points. Disable interrupts
- * during interrupt state transition.
- */
-void brcms_intrson(struct brcms_info *wl)
-{
- unsigned long flags;
-
- INT_LOCK(wl, flags);
- wlc_intrson(wl->wlc);
- INT_UNLOCK(wl, flags);
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-bool wl_alloc_dma_resources(struct brcms_info *wl, uint addrwidth)
-{
- return true;
-}
-
-u32 brcms_intrsoff(struct brcms_info *wl)
-{
- unsigned long flags;
- u32 status;
-
- INT_LOCK(wl, flags);
- status = wlc_intrsoff(wl->wlc);
- INT_UNLOCK(wl, flags);
- return status;
-}
-
-void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
-{
- unsigned long flags;
-
- INT_LOCK(wl, flags);
- wlc_intrsrestore(wl->wlc, macintmask);
- INT_UNLOCK(wl, flags);
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-int brcms_up(struct brcms_info *wl)
-{
- int error = 0;
-
- if (wl->pub->up)
- return 0;
-
- error = wlc_up(wl->wlc);
-
- return error;
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-void brcms_down(struct brcms_info *wl)
-{
- uint callbacks, ret_val = 0;
-
- /* call common down function */
- ret_val = wlc_down(wl->wlc);
- callbacks = atomic_read(&wl->callbacks) - ret_val;
-
- /* wait for down callbacks to complete */
- UNLOCK(wl);
-
- /* For HIGH_only driver, it's important to actually schedule other work,
- * not just spin wait since everything runs at schedule level
- */
- SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
-
- LOCK(wl);
-}
-
-static irqreturn_t brcms_isr(int irq, void *dev_id)
-{
- struct brcms_info *wl;
- bool ours, wantdpc;
- unsigned long flags;
-
- wl = (struct brcms_info *) dev_id;
-
- ISR_LOCK(wl, flags);
-
- /* call common first level interrupt handler */
- ours = wlc_isr(wl->wlc, &wantdpc);
- if (ours) {
- /* if more to do... */
- if (wantdpc) {
-
- /* ...and call the second level interrupt handler */
- /* schedule dpc */
- tasklet_schedule(&wl->tasklet);
- }
- }
-
- ISR_UNLOCK(wl, flags);
-
- return IRQ_RETVAL(ours);
-}
-
-static void brcms_dpc(unsigned long data)
-{
- struct brcms_info *wl;
-
- wl = (struct brcms_info *) data;
-
- LOCK(wl);
-
- /* call the common second level interrupt handler */
- if (wl->pub->up) {
- if (wl->resched) {
- unsigned long flags;
-
- INT_LOCK(wl, flags);
- wlc_intrsupd(wl->wlc);
- INT_UNLOCK(wl, flags);
- }
-
- wl->resched = wlc_dpc(wl->wlc, true);
- }
-
- /* wlc_dpc() may bring the driver down */
- if (!wl->pub->up)
- goto done;
-
- /* re-schedule dpc */
- if (wl->resched)
- tasklet_schedule(&wl->tasklet);
- else {
- /* re-enable interrupts */
- brcms_intrson(wl);
- }
-
- done:
- UNLOCK(wl);
-}
-
-/*
- * is called by the kernel from software irq context
- */
-static void brcms_timer(unsigned long data)
-{
- _brcms_timer((struct brcms_timer *) data);
-}
-
-/*
-* precondition: perimeter lock is not acquired
- */
-static void _brcms_timer(struct brcms_timer *t)
-{
- LOCK(t->wl);
-
- if (t->set) {
- if (t->periodic) {
- t->timer.expires = jiffies + t->ms * HZ / 1000;
- atomic_inc(&t->wl->callbacks);
- add_timer(&t->timer);
- t->set = true;
- } else
- t->set = false;
-
- t->fn(t->arg);
- }
-
- atomic_dec(&t->wl->callbacks);
-
- UNLOCK(t->wl);
-}
-
-/*
- * Adds a timer to the list. Caller supplies a timer function.
- * Is called from wlc.
- *
- * precondition: perimeter lock has been acquired
- */
-struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
- void (*fn) (void *arg),
- void *arg, const char *name)
-{
- struct brcms_timer *t;
-
- t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
- if (!t) {
- wiphy_err(wl->wiphy, "wl%d: brcms_init_timer: out of memory\n",
- wl->pub->unit);
- return 0;
- }
-
- init_timer(&t->timer);
- t->timer.data = (unsigned long) t;
- t->timer.function = brcms_timer;
- t->wl = wl;
- t->fn = fn;
- t->arg = arg;
- t->next = wl->timers;
- wl->timers = t;
-
-#ifdef BCMDBG
- t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
- if (t->name)
- strcpy(t->name, name);
-#endif
-
- return t;
-}
-
-/* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
- * as well as it's easier to make it periodic
- *
- * precondition: perimeter lock has been acquired
- */
-void brcms_add_timer(struct brcms_info *wl, struct brcms_timer *t, uint ms,
- int periodic)
-{
-#ifdef BCMDBG
- if (t->set) {
- wiphy_err(wl->wiphy, "%s: Already set. Name: %s, per %d\n",
- __func__, t->name, periodic);
- }
-#endif
- t->ms = ms;
- t->periodic = (bool) periodic;
- t->set = true;
- t->timer.expires = jiffies + ms * HZ / 1000;
-
- atomic_inc(&wl->callbacks);
- add_timer(&t->timer);
-}
-
-/*
- * return true if timer successfully deleted, false if still pending
- *
- * precondition: perimeter lock has been acquired
- */
-bool brcms_del_timer(struct brcms_info *wl, struct brcms_timer *t)
-{
- if (t->set) {
- t->set = false;
- if (!del_timer(&t->timer)) {
- return false;
- }
- atomic_dec(&wl->callbacks);
- }
-
- return true;
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-void brcms_free_timer(struct brcms_info *wl, struct brcms_timer *t)
-{
- struct brcms_timer *tmp;
-
- /* delete the timer in case it is active */
- brcms_del_timer(wl, t);
-
- if (wl->timers == t) {
- wl->timers = wl->timers->next;
-#ifdef BCMDBG
- kfree(t->name);
-#endif
- kfree(t);
- return;
-
- }
-
- tmp = wl->timers;
- while (tmp) {
- if (tmp->next == t) {
- tmp->next = t->next;
-#ifdef BCMDBG
- kfree(t->name);
-#endif
- kfree(t);
- return;
- }
- tmp = tmp->next;
- }
-
-}
-
-/*
- * runs in software irq context
- *
- * precondition: perimeter lock is not acquired
- */
-static int wl_linux_watchdog(void *ctx)
-{
- return 0;
-}
-
-struct firmware_hdr {
- u32 offset;
- u32 len;
- u32 idx;
-};
-
-char *brcms_firmwares[MAX_FW_IMAGES] = {
- "brcm/bcm43xx",
- NULL
-};
-
-/*
- * precondition: perimeter lock has been acquired
- */
-int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
-{
- int i, entry;
- const u8 *pdata;
- struct firmware_hdr *hdr;
- for (i = 0; i < wl->fw.fw_cnt; i++) {
- hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
- for (entry = 0; entry < wl->fw.hdr_num_entries[i];
- entry++, hdr++) {
- if (hdr->idx == idx) {
- pdata = wl->fw.fw_bin[i]->data + hdr->offset;
- *pbuf = kmalloc(hdr->len, GFP_ATOMIC);
- if (*pbuf == NULL) {
- wiphy_err(wl->wiphy, "fail to alloc %d"
- " bytes\n", hdr->len);
- goto fail;
- }
- memcpy(*pbuf, pdata, hdr->len);
- return 0;
- }
- }
- }
- wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n",
- idx);
- *pbuf = NULL;
-fail:
- return -ENODATA;
-}
-
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-int brcms_ucode_init_uint(struct brcms_info *wl, u32 *data, u32 idx)
-{
- int i, entry;
- const u8 *pdata;
- struct firmware_hdr *hdr;
- for (i = 0; i < wl->fw.fw_cnt; i++) {
- hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
- for (entry = 0; entry < wl->fw.hdr_num_entries[i];
- entry++, hdr++) {
- if (hdr->idx == idx) {
- pdata = wl->fw.fw_bin[i]->data + hdr->offset;
- if (hdr->len != 4) {
- wiphy_err(wl->wiphy,
- "ERROR: fw hdr len\n");
- return -ENOMSG;
- }
- *data = *((u32 *) pdata);
- return 0;
- }
- }
- }
- wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx);
- return -ENOMSG;
-}
-
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
-{
- int status;
- struct device *device = &pdev->dev;
- char fw_name[100];
- int i;
-
- memset((void *)&wl->fw, 0, sizeof(struct brcms_firmware));
- for (i = 0; i < MAX_FW_IMAGES; i++) {
- if (brcms_firmwares[i] == NULL)
- break;
- sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
- UCODE_LOADER_API_VER);
- status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
- if (status) {
- wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
- KBUILD_MODNAME, fw_name);
- return status;
- }
- sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
- UCODE_LOADER_API_VER);
- status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
- if (status) {
- wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
- KBUILD_MODNAME, fw_name);
- return status;
- }
- wl->fw.hdr_num_entries[i] =
- wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
- }
- wl->fw.fw_cnt = i;
- return brcms_ucode_data_init(wl);
-}
-
-/*
- * precondition: can both be called locked and unlocked
- */
-void brcms_ucode_free_buf(void *p)
-{
- kfree(p);
-}
-
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-static void brcms_release_fw(struct brcms_info *wl)
-{
- int i;
- for (i = 0; i < MAX_FW_IMAGES; i++) {
- release_firmware(wl->fw.fw_bin[i]);
- release_firmware(wl->fw.fw_hdr[i]);
- }
-}
-
-
-/*
- * checks validity of all firmware images loaded from user space
- *
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-int brcms_check_firmwares(struct brcms_info *wl)
-{
- int i;
- int entry;
- int rc = 0;
- const struct firmware *fw;
- const struct firmware *fw_hdr;
- struct firmware_hdr *ucode_hdr;
- for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
- fw = wl->fw.fw_bin[i];
- fw_hdr = wl->fw.fw_hdr[i];
- if (fw == NULL && fw_hdr == NULL) {
- break;
- } else if (fw == NULL || fw_hdr == NULL) {
- wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
- __func__);
- rc = -EBADF;
- } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
- wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
- "size %zu/%zu\n", __func__, fw_hdr->size,
- sizeof(struct firmware_hdr));
- rc = -EBADF;
- } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
- wiphy_err(wl->wiphy, "%s: out of bounds fw file size "
- "%zu\n", __func__, fw->size);
- rc = -EBADF;
- } else {
- /* check if ucode section overruns firmware image */
- ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
- for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
- !rc; entry++, ucode_hdr++) {
- if (ucode_hdr->offset + ucode_hdr->len >
- fw->size) {
- wiphy_err(wl->wiphy,
- "%s: conflicting bin/hdr\n",
- __func__);
- rc = -EBADF;
- }
- }
- }
- }
- if (rc == 0 && wl->fw.fw_cnt != i) {
- wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
- wl->fw.fw_cnt);
- rc = -EBADF;
- }
- return rc;
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
-{
- bool blocked = wlc_check_radio_disabled(wl->wlc);
-
- UNLOCK(wl);
- wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
- if (blocked)
- wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
- LOCK(wl);
- return blocked;
-}
-
-/*
- * precondition: perimeter lock has been acquired
- */
-void brcms_msleep(struct brcms_info *wl, uint ms)
-{
- UNLOCK(wl);
- msleep(ms);
- LOCK(wl);
-}
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef _wl_mac80211_h_
-#define _wl_mac80211_h_
-
-/* softmac ioctl definitions */
-#define WLC_SET_SHORTSLOT_OVERRIDE 146
-
-
-/* BMAC Note: High-only driver is no longer working in softirq context as it needs to block and
- * sleep so perimeter lock has to be a semaphore instead of spinlock. This requires timers to be
- * submitted to workqueue instead of being on kernel timer
- */
-struct brcms_timer {
- struct timer_list timer;
- struct brcms_info *wl;
- void (*fn) (void *);
- void *arg; /* argument to fn */
- uint ms;
- bool periodic;
- bool set;
- struct brcms_timer *next;
-#ifdef BCMDBG
- char *name; /* Description of the timer */
-#endif
-};
-
-struct brcms_if {
- uint subunit; /* WDS/BSS unit */
- struct pci_dev *pci_dev;
-};
-
-#define MAX_FW_IMAGES 4
-struct brcms_firmware {
- u32 fw_cnt;
- const struct firmware *fw_bin[MAX_FW_IMAGES];
- const struct firmware *fw_hdr[MAX_FW_IMAGES];
- u32 hdr_num_entries[MAX_FW_IMAGES];
-};
-
-struct brcms_info {
- struct wlc_pub *pub; /* pointer to public wlc state */
- void *wlc; /* pointer to private common os-independent data */
- u32 magic;
-
- int irq;
-
- spinlock_t lock; /* per-device perimeter lock */
- spinlock_t isr_lock; /* per-device ISR synchronization lock */
-
- /* bus type and regsva for unmap in brcms_free() */
- uint bcm_bustype; /* bus type */
- void *regsva; /* opaque chip registers virtual address */
-
- /* timer related fields */
- atomic_t callbacks; /* # outstanding callback functions */
- struct brcms_timer *timers; /* timer cleanup queue */
-
- struct tasklet_struct tasklet; /* dpc tasklet */
- bool resched; /* dpc needs to be and is rescheduled */
-#ifdef LINUXSTA_PS
- u32 pci_psstate[16]; /* pci ps-state save/restore */
-#endif
- struct brcms_firmware fw;
- struct wiphy *wiphy;
-};
-#endif /* _wl_mac80211_h_ */
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "wlc_types.h" /* forward structure declarations */
-
-#define MIN_FW_SIZE 40000 /* minimum firmware file size in bytes */
-#define MAX_FW_SIZE 150000
-
-#define UCODE_LOADER_API_VER 0
-
-struct d11init {
- u16 addr;
- u16 size;
- u32 value;
-};
-
-extern struct d11init *d11lcn0bsinitvals24;
-extern struct d11init *d11lcn0initvals24;
-extern struct d11init *d11lcn1bsinitvals24;
-extern struct d11init *d11lcn1initvals24;
-extern struct d11init *d11lcn2bsinitvals24;
-extern struct d11init *d11lcn2initvals24;
-extern struct d11init *d11n0absinitvals16;
-extern struct d11init *d11n0bsinitvals16;
-extern struct d11init *d11n0initvals16;
-extern u32 *bcm43xx_16_mimo;
-extern u32 bcm43xx_16_mimosz;
-extern u32 *bcm43xx_24_lcn;
-extern u32 bcm43xx_24_lcnsz;
-
-extern int brcms_ucode_data_init(struct brcms_info *wl);
-extern void brcms_ucode_data_free(void);
-
-extern int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf,
- unsigned int idx);
-extern int brcms_ucode_init_uint(struct brcms_info *wl, unsigned *data,
- unsigned int idx);
-extern void brcms_ucode_free_buf(void *);
-extern int brcms_check_firmwares(struct brcms_info *wl);
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/types.h>
-#include <bcmdefs.h>
-#include <wl_ucode.h>
-
-enum {
- D11UCODE_NAMETAG_START = 0,
- D11LCN0BSINITVALS24,
- D11LCN0INITVALS24,
- D11LCN1BSINITVALS24,
- D11LCN1INITVALS24,
- D11LCN2BSINITVALS24,
- D11LCN2INITVALS24,
- D11N0ABSINITVALS16,
- D11N0BSINITVALS16,
- D11N0INITVALS16,
- D11UCODE_OVERSIGHT16_MIMO,
- D11UCODE_OVERSIGHT16_MIMOSZ,
- D11UCODE_OVERSIGHT24_LCN,
- D11UCODE_OVERSIGHT24_LCNSZ,
- D11UCODE_OVERSIGHT_BOMMAJOR,
- D11UCODE_OVERSIGHT_BOMMINOR
-};
-
-struct d11init *d11lcn0bsinitvals24;
-struct d11init *d11lcn0initvals24;
-struct d11init *d11lcn1bsinitvals24;
-struct d11init *d11lcn1initvals24;
-struct d11init *d11lcn2bsinitvals24;
-struct d11init *d11lcn2initvals24;
-struct d11init *d11n0absinitvals16;
-struct d11init *d11n0bsinitvals16;
-struct d11init *d11n0initvals16;
-u32 *bcm43xx_16_mimo;
-u32 bcm43xx_16_mimosz;
-u32 *bcm43xx_24_lcn;
-u32 bcm43xx_24_lcnsz;
-u32 *bcm43xx_bommajor;
-u32 *bcm43xx_bomminor;
-
-int brcms_ucode_data_init(struct brcms_info *wl)
-{
- int rc;
- rc = brcms_check_firmwares(wl);
-
- rc = rc < 0 ? rc :
- brcms_ucode_init_buf(wl, (void **)&d11lcn0bsinitvals24,
- D11LCN0BSINITVALS24);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11lcn0initvals24,
- D11LCN0INITVALS24);
- rc = rc < 0 ? rc :
- brcms_ucode_init_buf(wl, (void **)&d11lcn1bsinitvals24,
- D11LCN1BSINITVALS24);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11lcn1initvals24,
- D11LCN1INITVALS24);
- rc = rc < 0 ? rc :
- brcms_ucode_init_buf(wl, (void **)&d11lcn2bsinitvals24,
- D11LCN2BSINITVALS24);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11lcn2initvals24,
- D11LCN2INITVALS24);
- rc = rc < 0 ? rc :
- brcms_ucode_init_buf(wl, (void **)&d11n0absinitvals16,
- D11N0ABSINITVALS16);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11n0bsinitvals16,
- D11N0BSINITVALS16);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&d11n0initvals16,
- D11N0INITVALS16);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_16_mimo,
- D11UCODE_OVERSIGHT16_MIMO);
- rc = rc < 0 ? rc : brcms_ucode_init_uint(wl, &bcm43xx_16_mimosz,
- D11UCODE_OVERSIGHT16_MIMOSZ);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_24_lcn,
- D11UCODE_OVERSIGHT24_LCN);
- rc = rc < 0 ? rc : brcms_ucode_init_uint(wl, &bcm43xx_24_lcnsz,
- D11UCODE_OVERSIGHT24_LCNSZ);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_bommajor,
- D11UCODE_OVERSIGHT_BOMMAJOR);
- rc = rc < 0 ? rc : brcms_ucode_init_buf(wl, (void **)&bcm43xx_bomminor,
- D11UCODE_OVERSIGHT_BOMMINOR);
- return rc;
-}
-
-void brcms_ucode_data_free(void)
-{
- brcms_ucode_free_buf((void *)d11lcn0bsinitvals24);
- brcms_ucode_free_buf((void *)d11lcn0initvals24);
- brcms_ucode_free_buf((void *)d11lcn1bsinitvals24);
- brcms_ucode_free_buf((void *)d11lcn1initvals24);
- brcms_ucode_free_buf((void *)d11lcn2bsinitvals24);
- brcms_ucode_free_buf((void *)d11lcn2initvals24);
- brcms_ucode_free_buf((void *)d11n0absinitvals16);
- brcms_ucode_free_buf((void *)d11n0bsinitvals16);
- brcms_ucode_free_buf((void *)d11n0initvals16);
- brcms_ucode_free_buf((void *)bcm43xx_16_mimo);
- brcms_ucode_free_buf((void *)bcm43xx_24_lcn);
- brcms_ucode_free_buf((void *)bcm43xx_bommajor);
- brcms_ucode_free_buf((void *)bcm43xx_bomminor);
-
- return;
-}
#include "wlc_channel.h"
#include "wlc_main.h"
#include "wl_export.h"
-#include "wl_ucode.h"
+#include "ucode_loader.h"
#include "wlc_antsel.h"
#include "wlc_alloc.h"
#include "wl_dbg.h"
#include "wl_export.h"
#include "wlc_alloc.h"
#include "wl_dbg.h"
-#include "wl_mac80211.h"
+#include "brcms_mac80211.h"
/*
* WPA(2) definitions
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff