Pileus Git - ~andy/linux/blob - drivers/staging/brcm80211/brcmsmac/wl_mac80211.c

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #define __UNDEF_NO_VERSION__
  18
  19 #include <linux/kernel.h>
  20 #include <linux/etherdevice.h>
  21 #include <linux/string.h>
  22 #include <linux/pci_ids.h>
  23 #include <bcmdefs.h>
  24 #include <linux/module.h>
  25 #include <linux/pci.h>
  26 #include <linux/sched.h>
  27 #include <osl.h>
  28 #define WLC_MAXBSSCFG           1       /* single BSS configs */
  29
  30 #include <wlc_cfg.h>
  31 #include <net/mac80211.h>
  32 #include <phy_version.h>
  33 #include <bcmutils.h>
  34 #include <pcicfg.h>
  35 #include <wlioctl.h>
  36 #include <wlc_key.h>
  37 #include <sbhndpio.h>
  38 #include <sbhnddma.h>
  39 #include <wlc_channel.h>
  40 #include <wlc_pub.h>
  41 #include <wlc_scb.h>
  42 #include <wl_dbg.h>
  43 #include <wl_export.h>
  44
  45 #include <wl_mac80211.h>
  46 #include <linux/firmware.h>
  47 #include <wl_ucode.h>
  48 #include <d11ucode_ext.h>
  49
  50
  51 static void wl_timer(unsigned long data);
  52 static void _wl_timer(wl_timer_t *t);
  53
  54
  55 static int ieee_hw_init(struct ieee80211_hw *hw);
  56 static int ieee_hw_rate_init(struct ieee80211_hw *hw);
  57
  58 static int wl_linux_watchdog(void *ctx);
  59
  60 /* Flags we support */
  61 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
  62         FIF_ALLMULTI | \
  63         FIF_FCSFAIL | \
  64         FIF_PLCPFAIL | \
  65         FIF_CONTROL | \
  66         FIF_OTHER_BSS | \
  67         FIF_BCN_PRBRESP_PROMISC)
  68
  69 static int wl_found;
  70
  71 #define WL_DEV_IF(dev)          ((struct wl_if *)netdev_priv(dev))
  72 #define WL_INFO(dev)            ((struct wl_info *)(WL_DEV_IF(dev)->wl))
  73 static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev);
  74 static void wl_release_fw(struct wl_info *wl);
  75
  76 /* local prototypes */
  77 static int wl_start(struct sk_buff *skb, struct wl_info *wl);
  78 static int wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw,
  79                         struct sk_buff *skb);
  80 static void wl_dpc(unsigned long data);
  81
  82 MODULE_AUTHOR("Broadcom Corporation");
  83 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
  84 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
  85 MODULE_LICENSE("Dual BSD/GPL");
  86
  87 /* recognized PCI IDs */
  88 static struct pci_device_id wl_id_table[] = {
  89         {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},      /* 43225 2G */
  90         {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},      /* 43224 DUAL */
  91         {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},      /* 4313 DUAL */
  92         {0}
  93 };
  94
  95 MODULE_DEVICE_TABLE(pci, wl_id_table);
  96 static void wl_remove(struct pci_dev *pdev);
  97
  98
  99 #ifdef BCMDBG
 100 static int msglevel = 0xdeadbeef;
 101 module_param(msglevel, int, 0);
 102 static int phymsglevel = 0xdeadbeef;
 103 module_param(phymsglevel, int, 0);
 104 #endif                          /* BCMDBG */
 105
 106 #define HW_TO_WL(hw)     (hw->priv)
 107 #define WL_TO_HW(wl)      (wl->pub->ieee_hw)
 108 static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
 109 static int wl_ops_start(struct ieee80211_hw *hw);
 110 static void wl_ops_stop(struct ieee80211_hw *hw);
 111 static int wl_ops_add_interface(struct ieee80211_hw *hw,
 112                                 struct ieee80211_vif *vif);
 113 static void wl_ops_remove_interface(struct ieee80211_hw *hw,
 114                                     struct ieee80211_vif *vif);
 115 static int wl_ops_config(struct ieee80211_hw *hw, u32 changed);
 116 static void wl_ops_bss_info_changed(struct ieee80211_hw *hw,
 117                                     struct ieee80211_vif *vif,
 118                                     struct ieee80211_bss_conf *info,
 119                                     u32 changed);
 120 static void wl_ops_configure_filter(struct ieee80211_hw *hw,
 121                                     unsigned int changed_flags,
 122                                     unsigned int *total_flags, u64 multicast);
 123 static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
 124                           bool set);
 125 static void wl_ops_sw_scan_start(struct ieee80211_hw *hw);
 126 static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw);
 127 static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
 128 static int wl_ops_get_stats(struct ieee80211_hw *hw,
 129                             struct ieee80211_low_level_stats *stats);
 130 static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
 131 static void wl_ops_sta_notify(struct ieee80211_hw *hw,
 132                               struct ieee80211_vif *vif,
 133                               enum sta_notify_cmd cmd,
 134                               struct ieee80211_sta *sta);
 135 static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
 136                           const struct ieee80211_tx_queue_params *params);
 137 static u64 wl_ops_get_tsf(struct ieee80211_hw *hw);
 138 static int wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 139                       struct ieee80211_sta *sta);
 140 static int wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 141                          struct ieee80211_sta *sta);
 142 static int wl_ops_ampdu_action(struct ieee80211_hw *hw,
 143                                struct ieee80211_vif *vif,
 144                                enum ieee80211_ampdu_mlme_action action,
 145                                struct ieee80211_sta *sta, u16 tid, u16 *ssn);
 146 static void wl_ops_rfkill_poll(struct ieee80211_hw *hw);
 147
 148 static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 149 {
 150         int status;
 151         struct wl_info *wl = hw->priv;
 152
 153         WL_LOCK(wl);
 154         if (!wl->pub->up) {
 155                 WL_ERROR("ops->tx called while down\n");
 156                 status = -ENETDOWN;
 157                 goto done;
 158         }
 159         status = wl_start(skb, wl);
 160  done:
 161         WL_UNLOCK(wl);
 162         return status;
 163 }
 164
 165 static int wl_ops_start(struct ieee80211_hw *hw)
 166 {
 167         struct wl_info *wl = hw->priv;
 168         bool blocked;
 169         /*
 170           struct ieee80211_channel *curchan = hw->conf.channel;
 171           WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value);
 172         */
 173
 174         WL_LOCK(wl);
 175         ieee80211_wake_queues(hw);
 176         WL_UNLOCK(wl);
 177         blocked = wl_rfkill_set_hw_state(wl);
 178         if (!blocked)
 179                 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
 180
 181         return 0;
 182 }
 183
 184 static void wl_ops_stop(struct ieee80211_hw *hw)
 185 {
 186         struct wl_info *wl = hw->priv;
 187         ASSERT(wl);
 188         WL_LOCK(wl);
 189         ieee80211_stop_queues(hw);
 190         WL_UNLOCK(wl);
 191 }
 192
 193 static int
 194 wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 195 {
 196         struct wl_info *wl;
 197         int err;
 198
 199         /* Just STA for now */
 200         if (vif->type != NL80211_IFTYPE_AP &&
 201             vif->type != NL80211_IFTYPE_MESH_POINT &&
 202             vif->type != NL80211_IFTYPE_STATION &&
 203             vif->type != NL80211_IFTYPE_WDS &&
 204             vif->type != NL80211_IFTYPE_ADHOC) {
 205                 WL_ERROR("%s: Attempt to add type %d, only STA for now\n",
 206                          __func__, vif->type);
 207                 return -EOPNOTSUPP;
 208         }
 209
 210         wl = HW_TO_WL(hw);
 211         WL_LOCK(wl);
 212         err = wl_up(wl);
 213         WL_UNLOCK(wl);
 214
 215         if (err != 0) {
 216                 WL_ERROR("%s: wl_up() returned %d\n", __func__, err);
 217         }
 218         return err;
 219 }
 220
 221 static void
 222 wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 223 {
 224         struct wl_info *wl;
 225
 226         wl = HW_TO_WL(hw);
 227
 228         /* put driver in down state */
 229         WL_LOCK(wl);
 230         wl_down(wl);
 231         WL_UNLOCK(wl);
 232 }
 233
 234 static int
 235 ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
 236                  enum nl80211_channel_type type)
 237 {
 238         struct wl_info *wl = HW_TO_WL(hw);
 239         int err = 0;
 240
 241         switch (type) {
 242         case NL80211_CHAN_HT20:
 243         case NL80211_CHAN_NO_HT:
 244                 err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
 245                 break;
 246         case NL80211_CHAN_HT40MINUS:
 247         case NL80211_CHAN_HT40PLUS:
 248                 WL_ERROR("%s: Need to implement 40 Mhz Channels!\n", __func__);
 249                 err = 1;
 250                 break;
 251         }
 252
 253         if (err)
 254                 return -EIO;
 255         return err;
 256 }
 257
 258 static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
 259 {
 260         struct ieee80211_conf *conf = &hw->conf;
 261         struct wl_info *wl = HW_TO_WL(hw);
 262         int err = 0;
 263         int new_int;
 264
 265         WL_LOCK(wl);
 266         if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
 267                 if (wlc_iovar_setint
 268                     (wl->wlc, "bcn_li_bcn", conf->listen_interval)) {
 269                         WL_ERROR("%s: Error setting listen_interval\n",
 270                                  __func__);
 271                         err = -EIO;
 272                         goto config_out;
 273                 }
 274                 wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
 275                 ASSERT(new_int == conf->listen_interval);
 276         }
 277         if (changed & IEEE80211_CONF_CHANGE_MONITOR)
 278                 WL_ERROR("%s: change monitor mode: %s (implement)\n", __func__,
 279                          conf->flags & IEEE80211_CONF_MONITOR ?
 280                                 "true" : "false");
 281         if (changed & IEEE80211_CONF_CHANGE_PS)
 282                 WL_ERROR("%s: change power-save mode: %s (implement)\n",
 283                          __func__, conf->flags & IEEE80211_CONF_PS ?
 284                                 "true" : "false");
 285
 286         if (changed & IEEE80211_CONF_CHANGE_POWER) {
 287                 if (wlc_iovar_setint
 288                     (wl->wlc, "qtxpower", conf->power_level * 4)) {
 289                         WL_ERROR("%s: Error setting power_level\n", __func__);
 290                         err = -EIO;
 291                         goto config_out;
 292                 }
 293                 wlc_iovar_getint(wl->wlc, "qtxpower", &new_int);
 294                 if (new_int != (conf->power_level * 4))
 295                         WL_ERROR("%s: Power level req != actual, %d %d\n",
 296                                  __func__, conf->power_level * 4, new_int);
 297         }
 298         if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
 299                 err = ieee_set_channel(hw, conf->channel, conf->channel_type);
 300         }
 301         if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
 302                 if (wlc_set
 303                     (wl->wlc, WLC_SET_SRL,
 304                      conf->short_frame_max_tx_count) < 0) {
 305                         WL_ERROR("%s: Error setting srl\n", __func__);
 306                         err = -EIO;
 307                         goto config_out;
 308                 }
 309                 if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
 310                     < 0) {
 311                         WL_ERROR("%s: Error setting lrl\n", __func__);
 312                         err = -EIO;
 313                         goto config_out;
 314                 }
 315         }
 316
 317  config_out:
 318         WL_UNLOCK(wl);
 319         return err;
 320 }
 321
 322 static void
 323 wl_ops_bss_info_changed(struct ieee80211_hw *hw,
 324                         struct ieee80211_vif *vif,
 325                         struct ieee80211_bss_conf *info, u32 changed)
 326 {
 327         struct wl_info *wl = HW_TO_WL(hw);
 328         int val;
 329
 330         if (changed & BSS_CHANGED_ASSOC) {
 331                 /* association status changed (associated/disassociated)
 332                  * also implies a change in the AID.
 333                  */
 334                 WL_ERROR("%s: %s: %sassociated\n", KBUILD_MODNAME, __func__,
 335                          info->assoc ? "" : "dis");
 336                 wlc_associate_upd(wl->wlc, info->assoc);
 337         }
 338         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
 339                 /* CTS protection changed */
 340                 WL_ERROR("%s: use_cts_prot: %s (implement)\n", __func__,
 341                         info->use_cts_prot ? "true" : "false");
 342         }
 343         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
 344                 /* preamble changed */
 345                 WL_ERROR("%s: short preamble: %s (implement)\n", __func__,
 346                         info->use_short_preamble ? "true" : "false");
 347         }
 348         if (changed & BSS_CHANGED_ERP_SLOT) {
 349                 /* slot timing changed */
 350                 if (info->use_short_slot)
 351                         val = 1;
 352                 else
 353                         val = 0;
 354                 wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
 355         }
 356
 357         if (changed & BSS_CHANGED_HT) {
 358                 /* 802.11n parameters changed */
 359                 u16 mode = info->ht_operation_mode;
 360                 WL_NONE("%s: HT mode: 0x%04X\n", __func__, mode);
 361                 wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG,
 362                         mode & IEEE80211_HT_OP_MODE_PROTECTION);
 363                 wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF,
 364                         mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
 365                 wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS,
 366                         mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
 367         }
 368         if (changed & BSS_CHANGED_BASIC_RATES) {
 369                 /* Basic rateset changed */
 370                 WL_ERROR("%s: Need to change Basic Rates: 0x%x (implement)\n",
 371                          __func__, (u32) info->basic_rates);
 372         }
 373         if (changed & BSS_CHANGED_BEACON_INT) {
 374                 /* Beacon interval changed */
 375                 WL_NONE("%s: Beacon Interval: %d\n",
 376                         __func__, info->beacon_int);
 377                 wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int);
 378         }
 379         if (changed & BSS_CHANGED_BSSID) {
 380                 /* BSSID changed, for whatever reason (IBSS and managed mode) */
 381                 WL_NONE("%s: new BSSID: aid %d  bss:%pM\n", __func__,
 382                         info->aid, info->bssid);
 383                 wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
 384                                   info->bssid);
 385         }
 386         if (changed & BSS_CHANGED_BEACON) {
 387                 /* Beacon data changed, retrieve new beacon (beaconing modes) */
 388                 WL_ERROR("%s: beacon changed\n", __func__);
 389         }
 390         if (changed & BSS_CHANGED_BEACON_ENABLED) {
 391                 /* Beaconing should be enabled/disabled (beaconing modes) */
 392                 WL_ERROR("%s: Beacon enabled: %s\n", __func__,
 393                          info->enable_beacon ? "true" : "false");
 394         }
 395         if (changed & BSS_CHANGED_CQM) {
 396                 /* Connection quality monitor config changed */
 397                 WL_ERROR("%s: cqm change: threshold %d, hys %d (implement)\n",
 398                         __func__, info->cqm_rssi_thold, info->cqm_rssi_hyst);
 399         }
 400         if (changed & BSS_CHANGED_IBSS) {
 401                 /* IBSS join status changed */
 402                 WL_ERROR("%s: IBSS joined: %s (implement)\n", __func__,
 403                         info->ibss_joined ? "true" : "false");
 404         }
 405         if (changed & BSS_CHANGED_ARP_FILTER) {
 406                 /* Hardware ARP filter address list or state changed */
 407                 WL_ERROR("%s: arp filtering: enabled %s, count %d (implement)\n",
 408                         __func__, info->arp_filter_enabled ? "true" : "false",
 409                         info->arp_addr_cnt);
 410         }
 411         if (changed & BSS_CHANGED_QOS) {
 412                 /*
 413                  * QoS for this association was enabled/disabled.
 414                  * Note that it is only ever disabled for station mode.
 415                  */
 416                 WL_ERROR("%s: qos enabled: %s (implement)\n", __func__,
 417                         info->qos ? "true" : "false");
 418         }
 419         if (changed & BSS_CHANGED_IDLE) {
 420                 /* Idle changed for this BSS/interface */
 421                 WL_ERROR("%s: BSS idle: %s (implement)\n", __func__,
 422                         info->idle ? "true" : "false");
 423         }
 424         return;
 425 }
 426
 427 static void
 428 wl_ops_configure_filter(struct ieee80211_hw *hw,
 429                         unsigned int changed_flags,
 430                         unsigned int *total_flags, u64 multicast)
 431 {
 432         struct wl_info *wl = hw->priv;
 433
 434         changed_flags &= MAC_FILTERS;
 435         *total_flags &= MAC_FILTERS;
 436         if (changed_flags & FIF_PROMISC_IN_BSS)
 437                 WL_ERROR("FIF_PROMISC_IN_BSS\n");
 438         if (changed_flags & FIF_ALLMULTI)
 439                 WL_ERROR("FIF_ALLMULTI\n");
 440         if (changed_flags & FIF_FCSFAIL)
 441                 WL_ERROR("FIF_FCSFAIL\n");
 442         if (changed_flags & FIF_PLCPFAIL)
 443                 WL_ERROR("FIF_PLCPFAIL\n");
 444         if (changed_flags & FIF_CONTROL)
 445                 WL_ERROR("FIF_CONTROL\n");
 446         if (changed_flags & FIF_OTHER_BSS)
 447                 WL_ERROR("FIF_OTHER_BSS\n");
 448         if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
 449                 WL_NONE("FIF_BCN_PRBRESP_PROMISC\n");
 450                 WL_LOCK(wl);
 451                 if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
 452                         wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
 453                         wlc_mac_bcn_promisc_change(wl->wlc, 1);
 454                 } else {
 455                         wlc_mac_bcn_promisc_change(wl->wlc, 0);
 456                         wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
 457                 }
 458                 WL_UNLOCK(wl);
 459         }
 460         return;
 461 }
 462
 463 static int
 464 wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
 465 {
 466         WL_NONE("%s: Enter\n", __func__);
 467         return 0;
 468 }
 469
 470 static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
 471 {
 472         struct wl_info *wl = hw->priv;
 473         WL_NONE("Scan Start\n");
 474         WL_LOCK(wl);
 475         wlc_scan_start(wl->wlc);
 476         WL_UNLOCK(wl);
 477         return;
 478 }
 479
 480 static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
 481 {
 482         struct wl_info *wl = hw->priv;
 483         WL_NONE("Scan Complete\n");
 484         WL_LOCK(wl);
 485         wlc_scan_stop(wl->wlc);
 486         WL_UNLOCK(wl);
 487         return;
 488 }
 489
 490 static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
 491 {
 492         WL_ERROR("%s: Enter\n", __func__);
 493         return;
 494 }
 495
 496 static int
 497 wl_ops_get_stats(struct ieee80211_hw *hw,
 498                  struct ieee80211_low_level_stats *stats)
 499 {
 500         struct wl_info *wl = hw->priv;
 501         struct wl_cnt *cnt;
 502
 503         WL_LOCK(wl);
 504         cnt = wl->pub->_cnt;
 505         stats->dot11ACKFailureCount = cnt->txnoack;
 506         stats->dot11RTSFailureCount = cnt->txnocts;
 507         stats->dot11FCSErrorCount = cnt->rxcrc;
 508         stats->dot11RTSSuccessCount = cnt->txrts;
 509         WL_UNLOCK(wl);
 510         return 0;
 511 }
 512
 513 static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 514 {
 515         struct wl_info *wl = hw->priv;
 516
 517         WL_LOCK(wl);
 518         wlc_iovar_setint(wl->wlc, "rtsthresh", value & 0xFFFF);
 519         WL_UNLOCK(wl);
 520         return 0;
 521 }
 522
 523 static void
 524 wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 525                   enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
 526 {
 527         WL_NONE("%s: Enter\n", __func__);
 528         switch (cmd) {
 529         default:
 530                 WL_ERROR("%s: Unknown cmd = %d\n", __func__, cmd);
 531                 break;
 532         }
 533         return;
 534 }
 535
 536 static int
 537 wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
 538                const struct ieee80211_tx_queue_params *params)
 539 {
 540         struct wl_info *wl = hw->priv;
 541
 542         WL_NONE("%s: Enter (WME config)\n", __func__);
 543         WL_NONE("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue,
 544                  params->txop, params->cw_min, params->cw_max, params->aifs);
 545
 546         WL_LOCK(wl);
 547         wlc_wme_setparams(wl->wlc, queue, (void *)params, true);
 548         WL_UNLOCK(wl);
 549
 550         return 0;
 551 }
 552
 553 static u64 wl_ops_get_tsf(struct ieee80211_hw *hw)
 554 {
 555         WL_ERROR("%s: Enter\n", __func__);
 556         return 0;
 557 }
 558
 559 static int
 560 wl_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 561                struct ieee80211_sta *sta)
 562 {
 563         struct scb *scb;
 564
 565         int i;
 566         struct wl_info *wl = hw->priv;
 567
 568         /* Init the scb */
 569         scb = (struct scb *)sta->drv_priv;
 570         memset(scb, 0, sizeof(struct scb));
 571         for (i = 0; i < NUMPRIO; i++)
 572                 scb->seqctl[i] = 0xFFFF;
 573         scb->seqctl_nonqos = 0xFFFF;
 574         scb->magic = SCB_MAGIC;
 575
 576         wl->pub->global_scb = scb;
 577         wl->pub->global_ampdu = &(scb->scb_ampdu);
 578         wl->pub->global_ampdu->scb = scb;
 579         wl->pub->global_ampdu->max_pdu = 16;
 580         pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
 581                   AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
 582
 583         sta->ht_cap.ht_supported = true;
 584         sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K;
 585         sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
 586         sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
 587             IEEE80211_HT_CAP_SGI_20 |
 588             IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
 589
 590         /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
 591         return 0;
 592 }
 593
 594 static int
 595 wl_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 596                   struct ieee80211_sta *sta)
 597 {
 598         WL_NONE("%s: Enter\n", __func__);
 599         return 0;
 600 }
 601
 602 static int
 603 wl_ops_ampdu_action(struct ieee80211_hw *hw,
 604                     struct ieee80211_vif *vif,
 605                     enum ieee80211_ampdu_mlme_action action,
 606                     struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 607 {
 608 #if defined(BCMDBG)
 609         struct scb *scb = (struct scb *)sta->drv_priv;
 610 #endif
 611         struct wl_info *wl = hw->priv;
 612
 613         ASSERT(scb->magic == SCB_MAGIC);
 614         switch (action) {
 615         case IEEE80211_AMPDU_RX_START:
 616                 WL_NONE("%s: action = IEEE80211_AMPDU_RX_START\n", __func__);
 617                 break;
 618         case IEEE80211_AMPDU_RX_STOP:
 619                 WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__);
 620                 break;
 621         case IEEE80211_AMPDU_TX_START:
 622                 if (!wlc_aggregatable(wl->wlc, tid)) {
 623                         /* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */
 624                         return -1;
 625                 }
 626                 /* XXX: Use the starting sequence number provided ... */
 627                 *ssn = 0;
 628                 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 629                 break;
 630
 631         case IEEE80211_AMPDU_TX_STOP:
 632                 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 633                 break;
 634         case IEEE80211_AMPDU_TX_OPERATIONAL:
 635                 /* Not sure what to do here */
 636                 /* Power save wakeup */
 637                 WL_NONE("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n",
 638                         __func__);
 639                 break;
 640         default:
 641                 WL_ERROR("%s: Invalid command, ignoring\n", __func__);
 642         }
 643
 644         return 0;
 645 }
 646
 647 static void wl_ops_rfkill_poll(struct ieee80211_hw *hw)
 648 {
 649         struct wl_info *wl = HW_TO_WL(hw);
 650         bool blocked;
 651
 652         WL_LOCK(wl);
 653         blocked = wlc_check_radio_disabled(wl->wlc);
 654         WL_UNLOCK(wl);
 655
 656         WL_NONE("wl: rfkill_poll: %d\n", blocked);
 657         wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
 658 }
 659
 660 static const struct ieee80211_ops wl_ops = {
 661         .tx = wl_ops_tx,
 662         .start = wl_ops_start,
 663         .stop = wl_ops_stop,
 664         .add_interface = wl_ops_add_interface,
 665         .remove_interface = wl_ops_remove_interface,
 666         .config = wl_ops_config,
 667         .bss_info_changed = wl_ops_bss_info_changed,
 668         .configure_filter = wl_ops_configure_filter,
 669         .set_tim = wl_ops_set_tim,
 670         .sw_scan_start = wl_ops_sw_scan_start,
 671         .sw_scan_complete = wl_ops_sw_scan_complete,
 672         .set_tsf = wl_ops_set_tsf,
 673         .get_stats = wl_ops_get_stats,
 674         .set_rts_threshold = wl_ops_set_rts_threshold,
 675         .sta_notify = wl_ops_sta_notify,
 676         .conf_tx = wl_ops_conf_tx,
 677         .get_tsf = wl_ops_get_tsf,
 678         .sta_add = wl_ops_sta_add,
 679         .sta_remove = wl_ops_sta_remove,
 680         .ampdu_action = wl_ops_ampdu_action,
 681         .rfkill_poll = wl_ops_rfkill_poll,
 682 };
 683
 684 static int wl_set_hint(struct wl_info *wl, char *abbrev)
 685 {
 686         WL_NONE("%s: Sending country code %c%c to MAC80211\n",
 687                  __func__, abbrev[0], abbrev[1]);
 688         return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
 689 }
 690
 691 /**
 692  * attach to the WL device.
 693  *
 694  * Attach to the WL device identified by vendor and device parameters.
 695  * regs is a host accessible memory address pointing to WL device registers.
 696  *
 697  * wl_attach is not defined as static because in the case where no bus
 698  * is defined, wl_attach will never be called, and thus, gcc will issue
 699  * a warning that this function is defined but not used if we declare
 700  * it as static.
 701  */
 702 static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
 703                             uint bustype, void *btparam, uint irq)
 704 {
 705         struct wl_info *wl;
 706         struct osl_info *osh;
 707         int unit, err;
 708
 709         unsigned long base_addr;
 710         struct ieee80211_hw *hw;
 711         u8 perm[ETH_ALEN];
 712
 713         unit = wl_found;
 714         err = 0;
 715
 716         if (unit < 0) {
 717                 WL_ERROR("wl%d: unit number overflow, exiting\n", unit);
 718                 return NULL;
 719         }
 720
 721         osh = osl_attach(btparam, bustype);
 722         ASSERT(osh);
 723
 724         /* allocate private info */
 725         hw = pci_get_drvdata(btparam);  /* btparam == pdev */
 726         wl = hw->priv;
 727         ASSERT(wl);
 728
 729         wl->osh = osh;
 730         atomic_set(&wl->callbacks, 0);
 731
 732         /* setup the bottom half handler */
 733         tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl);
 734
 735
 736
 737         base_addr = regs;
 738
 739         if (bustype == PCI_BUS) {
 740                 wl->piomode = false;
 741         } else if (bustype == RPC_BUS) {
 742                 /* Do nothing */
 743         } else {
 744                 bustype = PCI_BUS;
 745                 WL_TRACE("force to PCI\n");
 746         }
 747         wl->bcm_bustype = bustype;
 748
 749         wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
 750         if (wl->regsva == NULL) {
 751                 WL_ERROR("wl%d: ioremap() failed\n", unit);
 752                 goto fail;
 753         }
 754         spin_lock_init(&wl->lock);
 755         spin_lock_init(&wl->isr_lock);
 756
 757         /* prepare ucode */
 758         if (wl_request_fw(wl, (struct pci_dev *)btparam) < 0) {
 759                 WL_ERROR("%s: Failed to find firmware usually in %s\n",
 760                          KBUILD_MODNAME, "/lib/firmware/brcm");
 761                 wl_release_fw(wl);
 762                 wl_remove((struct pci_dev *)btparam);
 763                 goto fail1;
 764         }
 765
 766         /* common load-time initialization */
 767         wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh,
 768                              wl->regsva, wl->bcm_bustype, btparam, &err);
 769         wl_release_fw(wl);
 770         if (!wl->wlc) {
 771                 WL_ERROR("%s: wlc_attach() failed with code %d\n",
 772                          KBUILD_MODNAME, err);
 773                 goto fail;
 774         }
 775         wl->pub = wlc_pub(wl->wlc);
 776
 777         wl->pub->ieee_hw = hw;
 778         ASSERT(wl->pub->ieee_hw);
 779         ASSERT(wl->pub->ieee_hw->priv == wl);
 780
 781
 782         if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
 783                 WL_ERROR("wl%d: Error setting MPC variable to 0\n", unit);
 784         }
 785
 786         /* register our interrupt handler */
 787         if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
 788                 WL_ERROR("wl%d: request_irq() failed\n", unit);
 789                 goto fail;
 790         }
 791         wl->irq = irq;
 792
 793         /* register module */
 794         wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog,
 795                             NULL);
 796
 797         if (ieee_hw_init(hw)) {
 798                 WL_ERROR("wl%d: %s: ieee_hw_init failed!\n", unit, __func__);
 799                 goto fail;
 800         }
 801
 802         memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
 803         ASSERT(is_valid_ether_addr(perm));
 804         SET_IEEE80211_PERM_ADDR(hw, perm);
 805
 806         err = ieee80211_register_hw(hw);
 807         if (err) {
 808                 WL_ERROR("%s: ieee80211_register_hw failed, status %d\n",
 809                          __func__, err);
 810         }
 811
 812         if (wl->pub->srom_ccode[0])
 813                 err = wl_set_hint(wl, wl->pub->srom_ccode);
 814         else
 815                 err = wl_set_hint(wl, "US");
 816         if (err) {
 817                 WL_ERROR("%s: regulatory_hint failed, status %d\n",
 818                          __func__, err);
 819         }
 820
 821         wl_found++;
 822         return wl;
 823
 824 fail:
 825         wl_free(wl);
 826 fail1:
 827         return NULL;
 828 }
 829
 830
 831
 832 #define CHAN2GHZ(channel, freqency, chflags)  { \
 833         .band = IEEE80211_BAND_2GHZ, \
 834         .center_freq = (freqency), \
 835         .hw_value = (channel), \
 836         .flags = chflags, \
 837         .max_antenna_gain = 0, \
 838         .max_power = 19, \
 839 }
 840
 841 static struct ieee80211_channel wl_2ghz_chantable[] = {
 842         CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
 843         CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
 844         CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
 845         CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
 846         CHAN2GHZ(5, 2432, 0),
 847         CHAN2GHZ(6, 2437, 0),
 848         CHAN2GHZ(7, 2442, 0),
 849         CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
 850         CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
 851         CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
 852         CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
 853         CHAN2GHZ(12, 2467,
 854                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
 855                  IEEE80211_CHAN_NO_HT40PLUS),
 856         CHAN2GHZ(13, 2472,
 857                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
 858                  IEEE80211_CHAN_NO_HT40PLUS),
 859         CHAN2GHZ(14, 2484,
 860                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
 861                  IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
 862 };
 863
 864 #define CHAN5GHZ(channel, chflags)  { \
 865         .band = IEEE80211_BAND_5GHZ, \
 866         .center_freq = 5000 + 5*(channel), \
 867         .hw_value = (channel), \
 868         .flags = chflags, \
 869         .max_antenna_gain = 0, \
 870         .max_power = 21, \
 871 }
 872
 873 static struct ieee80211_channel wl_5ghz_nphy_chantable[] = {
 874         /* UNII-1 */
 875         CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
 876         CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
 877         CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
 878         CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
 879         /* UNII-2 */
 880         CHAN5GHZ(52,
 881                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 882                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 883         CHAN5GHZ(56,
 884                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 885                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 886         CHAN5GHZ(60,
 887                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 888                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 889         CHAN5GHZ(64,
 890                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 891                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 892         /* MID */
 893         CHAN5GHZ(100,
 894                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 895                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 896         CHAN5GHZ(104,
 897                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 898                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 899         CHAN5GHZ(108,
 900                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 901                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 902         CHAN5GHZ(112,
 903                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 904                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 905         CHAN5GHZ(116,
 906                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 907                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 908         CHAN5GHZ(120,
 909                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 910                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 911         CHAN5GHZ(124,
 912                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 913                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 914         CHAN5GHZ(128,
 915                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 916                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 917         CHAN5GHZ(132,
 918                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 919                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
 920         CHAN5GHZ(136,
 921                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 922                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
 923         CHAN5GHZ(140,
 924                  IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
 925                  IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
 926                  IEEE80211_CHAN_NO_HT40MINUS),
 927         /* UNII-3 */
 928         CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
 929         CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
 930         CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
 931         CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
 932         CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
 933 };
 934
 935 #define RATE(rate100m, _flags) { \
 936         .bitrate = (rate100m), \
 937         .flags = (_flags), \
 938         .hw_value = (rate100m / 5), \
 939 }
 940
 941 static struct ieee80211_rate wl_legacy_ratetable[] = {
 942         RATE(10, 0),
 943         RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
 944         RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
 945         RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
 946         RATE(60, 0),
 947         RATE(90, 0),
 948         RATE(120, 0),
 949         RATE(180, 0),
 950         RATE(240, 0),
 951         RATE(360, 0),
 952         RATE(480, 0),
 953         RATE(540, 0),
 954 };
 955
 956 static struct ieee80211_supported_band wl_band_2GHz_nphy = {
 957         .band = IEEE80211_BAND_2GHZ,
 958         .channels = wl_2ghz_chantable,
 959         .n_channels = ARRAY_SIZE(wl_2ghz_chantable),
 960         .bitrates = wl_legacy_ratetable,
 961         .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable),
 962         .ht_cap = {
 963                    /* from include/linux/ieee80211.h */
 964                    .cap = IEEE80211_HT_CAP_GRN_FLD |
 965                    IEEE80211_HT_CAP_SGI_20 |
 966                    IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
 967                    .ht_supported = true,
 968                    .ampdu_factor = AMPDU_RX_FACTOR_64K,
 969                    .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
 970                    .mcs = {
 971                            /* placeholders for now */
 972                            .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
 973                            .rx_highest = 500,
 974                            .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
 975                    }
 976 };
 977
 978 static struct ieee80211_supported_band wl_band_5GHz_nphy = {
 979         .band = IEEE80211_BAND_5GHZ,
 980         .channels = wl_5ghz_nphy_chantable,
 981         .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable),
 982         .bitrates = wl_legacy_ratetable + 4,
 983         .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4,
 984         .ht_cap = {
 985                    /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
 986                    .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 */
 987                    .ht_supported = true,
 988                    .ampdu_factor = AMPDU_RX_FACTOR_64K,
 989                    .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
 990                    .mcs = {
 991                            /* placeholders for now */
 992                            .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
 993                            .rx_highest = 500,
 994                            .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
 995                    }
 996 };
 997
 998 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
 999 {
1000         struct wl_info *wl = HW_TO_WL(hw);
1001         int has_5g;
1002         char phy_list[4];
1003
1004         has_5g = 0;
1005
1006         hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
1007         hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1008
1009         if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
1010                 WL_ERROR("Phy list failed\n");
1011         }
1012         WL_NONE("%s: phylist = %c\n", __func__, phy_list[0]);
1013
1014         if (phy_list[0] == 'n' || phy_list[0] == 'c') {
1015                 if (phy_list[0] == 'c') {
1016                         /* Single stream */
1017                         wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
1018                         wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
1019                 }
1020                 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
1021         } else {
1022                 BUG();
1023                 return -1;
1024         }
1025
1026         /* Assume all bands use the same phy.  True for 11n devices. */
1027         if (NBANDS_PUB(wl->pub) > 1) {
1028                 has_5g++;
1029                 if (phy_list[0] == 'n' || phy_list[0] == 'c') {
1030                         hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
1031                             &wl_band_5GHz_nphy;
1032                 } else {
1033                         return -1;
1034                 }
1035         }
1036
1037         WL_NONE("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g);
1038
1039         return 0;
1040 }
1041
1042 static int ieee_hw_init(struct ieee80211_hw *hw)
1043 {
1044         hw->flags = IEEE80211_HW_SIGNAL_DBM
1045             /* | IEEE80211_HW_CONNECTION_MONITOR  What is this? */
1046             | IEEE80211_HW_REPORTS_TX_ACK_STATUS
1047             | IEEE80211_HW_AMPDU_AGGREGATION;
1048
1049         hw->extra_tx_headroom = wlc_get_header_len();
1050         /* FIXME: should get this from wlc->machwcap */
1051         hw->queues = 4;
1052         /* FIXME: this doesn't seem to be used properly in minstrel_ht.
1053          * mac80211/status.c:ieee80211_tx_status() checks this value,
1054          * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
1055          * appears to always set 3 rates
1056          */
1057         hw->max_rates = 2;      /* Primary rate and 1 fallback rate */
1058
1059         hw->channel_change_time = 7 * 1000;     /* channel change time is dependant on chip and band  */
1060         hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
1061
1062         hw->rate_control_algorithm = "minstrel_ht";
1063
1064         hw->sta_data_size = sizeof(struct scb);
1065         return ieee_hw_rate_init(hw);
1066 }
1067
1068 /**
1069  * determines if a device is a WL device, and if so, attaches it.
1070  *
1071  * This function determines if a device pointed to by pdev is a WL device,
1072  * and if so, performs a wl_attach() on it.
1073  *
1074  */
1075 int __devinit
1076 wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1077 {
1078         int rc;
1079         struct wl_info *wl;
1080         struct ieee80211_hw *hw;
1081         u32 val;
1082
1083         ASSERT(pdev);
1084
1085         WL_TRACE("%s: bus %d slot %d func %d irq %d\n",
1086                  __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1087                  PCI_FUNC(pdev->devfn), pdev->irq);
1088
1089         if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
1090             (((pdev->device & 0xff00) != 0x4300) &&
1091              ((pdev->device & 0xff00) != 0x4700) &&
1092              ((pdev->device < 43000) || (pdev->device > 43999))))
1093                 return -ENODEV;
1094
1095         rc = pci_enable_device(pdev);
1096         if (rc) {
1097                 WL_ERROR("%s: Cannot enable device %d-%d_%d\n",
1098                          __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1099                          PCI_FUNC(pdev->devfn));
1100                 return -ENODEV;
1101         }
1102         pci_set_master(pdev);
1103
1104         pci_read_config_dword(pdev, 0x40, &val);
1105         if ((val & 0x0000ff00) != 0)
1106                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1107
1108         hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops);
1109         if (!hw) {
1110                 WL_ERROR("%s: ieee80211_alloc_hw failed\n", __func__);
1111                 rc = -ENOMEM;
1112                 goto err_1;
1113         }
1114
1115         SET_IEEE80211_DEV(hw, &pdev->dev);
1116
1117         pci_set_drvdata(pdev, hw);
1118
1119         memset(hw->priv, 0, sizeof(*wl));
1120
1121         wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0),
1122                        PCI_BUS, pdev, pdev->irq);
1123
1124         if (!wl) {
1125                 WL_ERROR("%s: %s: wl_attach failed!\n",
1126                          KBUILD_MODNAME, __func__);
1127                 return -ENODEV;
1128         }
1129         return 0;
1130  err_1:
1131         WL_ERROR("%s: err_1: Major hoarkage\n", __func__);
1132         return 0;
1133 }
1134
1135 static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
1136 {
1137         struct wl_info *wl;
1138         struct ieee80211_hw *hw;
1139
1140         WL_TRACE("wl: wl_suspend\n");
1141
1142         hw = pci_get_drvdata(pdev);
1143         wl = HW_TO_WL(hw);
1144         if (!wl) {
1145                 WL_ERROR("wl: wl_suspend: pci_get_drvdata failed\n");
1146                 return -ENODEV;
1147         }
1148
1149         /* only need to flag hw is down for proper resume */
1150         WL_LOCK(wl);
1151         wl->pub->hw_up = false;
1152         WL_UNLOCK(wl);
1153
1154         pci_save_state(pdev);
1155         pci_disable_device(pdev);
1156         return pci_set_power_state(pdev, PCI_D3hot);
1157 }
1158
1159 static int wl_resume(struct pci_dev *pdev)
1160 {
1161         struct wl_info *wl;
1162         struct ieee80211_hw *hw;
1163         int err = 0;
1164         u32 val;
1165
1166         WL_TRACE("wl: wl_resume\n");
1167         hw = pci_get_drvdata(pdev);
1168         wl = HW_TO_WL(hw);
1169         if (!wl) {
1170                 WL_ERROR("wl: wl_resume: pci_get_drvdata failed\n");
1171                 return -ENODEV;
1172         }
1173
1174         err = pci_set_power_state(pdev, PCI_D0);
1175         if (err)
1176                 return err;
1177
1178         pci_restore_state(pdev);
1179
1180         err = pci_enable_device(pdev);
1181         if (err)
1182                 return err;
1183
1184         pci_set_master(pdev);
1185
1186         pci_read_config_dword(pdev, 0x40, &val);
1187         if ((val & 0x0000ff00) != 0)
1188                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1189
1190         /*
1191         *  done. driver will be put in up state
1192         *  in wl_ops_add_interface() call.
1193         */
1194         return err;
1195 }
1196
1197 static void wl_remove(struct pci_dev *pdev)
1198 {
1199         struct wl_info *wl;
1200         struct ieee80211_hw *hw;
1201
1202         hw = pci_get_drvdata(pdev);
1203         wl = HW_TO_WL(hw);
1204         if (!wl) {
1205                 WL_ERROR("wl: wl_remove: pci_get_drvdata failed\n");
1206                 return;
1207         }
1208
1209         if (!wlc_chipmatch(pdev->vendor, pdev->device)) {
1210                 WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n");
1211                 return;
1212         }
1213         if (wl->wlc) {
1214                 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
1215                 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
1216                 ieee80211_unregister_hw(hw);
1217                 WL_LOCK(wl);
1218                 wl_down(wl);
1219                 WL_UNLOCK(wl);
1220                 WL_NONE("%s: Down\n", __func__);
1221         }
1222         pci_disable_device(pdev);
1223
1224         wl_free(wl);
1225
1226         pci_set_drvdata(pdev, NULL);
1227         ieee80211_free_hw(hw);
1228 }
1229
1230 static struct pci_driver wl_pci_driver = {
1231         .name     = KBUILD_MODNAME,
1232         .probe    = wl_pci_probe,
1233         .suspend  = wl_suspend,
1234         .resume   = wl_resume,
1235         .remove   = __devexit_p(wl_remove),
1236         .id_table = wl_id_table,
1237 };
1238
1239 /**
1240  * This is the main entry point for the WL driver.
1241  *
1242  * This function determines if a device pointed to by pdev is a WL device,
1243  * and if so, performs a wl_attach() on it.
1244  *
1245  */
1246 static int __init wl_module_init(void)
1247 {
1248         int error = -ENODEV;
1249
1250 #ifdef BCMDBG
1251         if (msglevel != 0xdeadbeef)
1252                 wl_msg_level = msglevel;
1253         else {
1254                 char *var = getvar(NULL, "wl_msglevel");
1255                 if (var)
1256                         wl_msg_level = simple_strtoul(var, NULL, 0);
1257         }
1258         {
1259                 extern u32 phyhal_msg_level;
1260
1261                 if (phymsglevel != 0xdeadbeef)
1262                         phyhal_msg_level = phymsglevel;
1263                 else {
1264                         char *var = getvar(NULL, "phy_msglevel");
1265                         if (var)
1266                                 phyhal_msg_level = simple_strtoul(var, NULL, 0);
1267                 }
1268         }
1269 #endif                          /* BCMDBG */
1270
1271         error = pci_register_driver(&wl_pci_driver);
1272         if (!error)
1273                 return 0;
1274
1275
1276
1277         return error;
1278 }
1279
1280 /**
1281  * This function unloads the WL driver from the system.
1282  *
1283  * This function unconditionally unloads the WL driver module from the
1284  * system.
1285  *
1286  */
1287 static void __exit wl_module_exit(void)
1288 {
1289         pci_unregister_driver(&wl_pci_driver);
1290
1291 }
1292
1293 module_init(wl_module_init);
1294 module_exit(wl_module_exit);
1295
1296 /**
1297  * This function frees the WL per-device resources.
1298  *
1299  * This function frees resources owned by the WL device pointed to
1300  * by the wl parameter.
1301  *
1302  */
1303 void wl_free(struct wl_info *wl)
1304 {
1305         wl_timer_t *t, *next;
1306         struct osl_info *osh;
1307
1308         ASSERT(wl);
1309         /* free ucode data */
1310         if (wl->fw.fw_cnt)
1311                 wl_ucode_data_free();
1312         if (wl->irq)
1313                 free_irq(wl->irq, wl);
1314
1315         /* kill dpc */
1316         tasklet_kill(&wl->tasklet);
1317
1318         if (wl->pub) {
1319                 wlc_module_unregister(wl->pub, "linux", wl);
1320         }
1321
1322         /* free common resources */
1323         if (wl->wlc) {
1324                 wlc_detach(wl->wlc);
1325                 wl->wlc = NULL;
1326                 wl->pub = NULL;
1327         }
1328
1329         /* virtual interface deletion is deferred so we cannot spinwait */
1330
1331         /* wait for all pending callbacks to complete */
1332         while (atomic_read(&wl->callbacks) > 0)
1333                 schedule();
1334
1335         /* free timers */
1336         for (t = wl->timers; t; t = next) {
1337                 next = t->next;
1338 #ifdef BCMDBG
1339                 if (t->name)
1340                         kfree(t->name);
1341 #endif
1342                 kfree(t);
1343         }
1344
1345         osh = wl->osh;
1346
1347         /*
1348          * unregister_netdev() calls get_stats() which may read chip registers
1349          * so we cannot unmap the chip registers until after calling unregister_netdev() .
1350          */
1351         if (wl->regsva && wl->bcm_bustype != SDIO_BUS &&
1352             wl->bcm_bustype != JTAG_BUS) {
1353                 iounmap((void *)wl->regsva);
1354         }
1355         wl->regsva = NULL;
1356
1357
1358         osl_detach(osh);
1359 }
1360
1361 /* transmit a packet */
1362 static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl)
1363 {
1364         if (!wl)
1365                 return -ENETDOWN;
1366
1367         return wl_start_int(wl, WL_TO_HW(wl), skb);
1368 }
1369
1370 static int BCMFASTPATH
1371 wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw, struct sk_buff *skb)
1372 {
1373         wlc_sendpkt_mac80211(wl->wlc, skb, hw);
1374         return NETDEV_TX_OK;
1375 }
1376
1377 void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state,
1378                       int prio)
1379 {
1380         WL_ERROR("Shouldn't be here %s\n", __func__);
1381 }
1382
1383 void wl_init(struct wl_info *wl)
1384 {
1385         WL_TRACE("wl%d: wl_init\n", wl->pub->unit);
1386
1387         wl_reset(wl);
1388
1389         wlc_init(wl->wlc);
1390 }
1391
1392 uint wl_reset(struct wl_info *wl)
1393 {
1394         WL_TRACE("wl%d: wl_reset\n", wl->pub->unit);
1395
1396         wlc_reset(wl->wlc);
1397
1398         /* dpc will not be rescheduled */
1399         wl->resched = 0;
1400
1401         return 0;
1402 }
1403
1404 /*
1405  * These are interrupt on/off entry points. Disable interrupts
1406  * during interrupt state transition.
1407  */
1408 void BCMFASTPATH wl_intrson(struct wl_info *wl)
1409 {
1410         unsigned long flags;
1411
1412         INT_LOCK(wl, flags);
1413         wlc_intrson(wl->wlc);
1414         INT_UNLOCK(wl, flags);
1415 }
1416
1417 bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth)
1418 {
1419         return true;
1420 }
1421
1422 u32 BCMFASTPATH wl_intrsoff(struct wl_info *wl)
1423 {
1424         unsigned long flags;
1425         u32 status;
1426
1427         INT_LOCK(wl, flags);
1428         status = wlc_intrsoff(wl->wlc);
1429         INT_UNLOCK(wl, flags);
1430         return status;
1431 }
1432
1433 void wl_intrsrestore(struct wl_info *wl, u32 macintmask)
1434 {
1435         unsigned long flags;
1436
1437         INT_LOCK(wl, flags);
1438         wlc_intrsrestore(wl->wlc, macintmask);
1439         INT_UNLOCK(wl, flags);
1440 }
1441
1442 int wl_up(struct wl_info *wl)
1443 {
1444         int error = 0;
1445
1446         if (wl->pub->up)
1447                 return 0;
1448
1449         error = wlc_up(wl->wlc);
1450
1451         return error;
1452 }
1453
1454 void wl_down(struct wl_info *wl)
1455 {
1456         uint callbacks, ret_val = 0;
1457
1458         /* call common down function */
1459         ret_val = wlc_down(wl->wlc);
1460         callbacks = atomic_read(&wl->callbacks) - ret_val;
1461
1462         /* wait for down callbacks to complete */
1463         WL_UNLOCK(wl);
1464
1465         /* For HIGH_only driver, it's important to actually schedule other work,
1466          * not just spin wait since everything runs at schedule level
1467          */
1468         SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1469
1470         WL_LOCK(wl);
1471 }
1472
1473 irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
1474 {
1475         struct wl_info *wl;
1476         bool ours, wantdpc;
1477         unsigned long flags;
1478
1479         wl = (struct wl_info *) dev_id;
1480
1481         WL_ISRLOCK(wl, flags);
1482
1483         /* call common first level interrupt handler */
1484         ours = wlc_isr(wl->wlc, &wantdpc);
1485         if (ours) {
1486                 /* if more to do... */
1487                 if (wantdpc) {
1488
1489                         /* ...and call the second level interrupt handler */
1490                         /* schedule dpc */
1491                         ASSERT(wl->resched == false);
1492                         tasklet_schedule(&wl->tasklet);
1493                 }
1494         }
1495
1496         WL_ISRUNLOCK(wl, flags);
1497
1498         return IRQ_RETVAL(ours);
1499 }
1500
1501 static void BCMFASTPATH wl_dpc(unsigned long data)
1502 {
1503         struct wl_info *wl;
1504
1505         wl = (struct wl_info *) data;
1506
1507         WL_LOCK(wl);
1508
1509         /* call the common second level interrupt handler */
1510         if (wl->pub->up) {
1511                 if (wl->resched) {
1512                         unsigned long flags;
1513
1514                         INT_LOCK(wl, flags);
1515                         wlc_intrsupd(wl->wlc);
1516                         INT_UNLOCK(wl, flags);
1517                 }
1518
1519                 wl->resched = wlc_dpc(wl->wlc, true);
1520         }
1521
1522         /* wlc_dpc() may bring the driver down */
1523         if (!wl->pub->up)
1524                 goto done;
1525
1526         /* re-schedule dpc */
1527         if (wl->resched)
1528                 tasklet_schedule(&wl->tasklet);
1529         else {
1530                 /* re-enable interrupts */
1531                 wl_intrson(wl);
1532         }
1533
1534  done:
1535         WL_UNLOCK(wl);
1536 }
1537
1538 static void wl_link_up(struct wl_info *wl, char *ifname)
1539 {
1540         WL_NONE("wl%d: link up (%s)\n", wl->pub->unit, ifname);
1541 }
1542
1543 static void wl_link_down(struct wl_info *wl, char *ifname)
1544 {
1545         WL_NONE("wl%d: link down (%s)\n", wl->pub->unit, ifname);
1546 }
1547
1548 void wl_event(struct wl_info *wl, char *ifname, wlc_event_t *e)
1549 {
1550
1551         switch (e->event.event_type) {
1552         case WLC_E_LINK:
1553         case WLC_E_NDIS_LINK:
1554                 if (e->event.flags & WLC_EVENT_MSG_LINK)
1555                         wl_link_up(wl, ifname);
1556                 else
1557                         wl_link_down(wl, ifname);
1558                 break;
1559         case WLC_E_RADIO:
1560                 break;
1561         }
1562 }
1563
1564 static void wl_timer(unsigned long data)
1565 {
1566         _wl_timer((wl_timer_t *) data);
1567 }
1568
1569 static void _wl_timer(wl_timer_t *t)
1570 {
1571         WL_LOCK(t->wl);
1572
1573         if (t->set) {
1574                 if (t->periodic) {
1575                         t->timer.expires = jiffies + t->ms * HZ / 1000;
1576                         atomic_inc(&t->wl->callbacks);
1577                         add_timer(&t->timer);
1578                         t->set = true;
1579                 } else
1580                         t->set = false;
1581
1582                 t->fn(t->arg);
1583         }
1584
1585         atomic_dec(&t->wl->callbacks);
1586
1587         WL_UNLOCK(t->wl);
1588 }
1589
1590 wl_timer_t *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), void *arg,
1591                           const char *name)
1592 {
1593         wl_timer_t *t;
1594
1595         t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC);
1596         if (!t) {
1597                 WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit);
1598                 return 0;
1599         }
1600
1601         memset(t, 0, sizeof(wl_timer_t));
1602
1603         init_timer(&t->timer);
1604         t->timer.data = (unsigned long) t;
1605         t->timer.function = wl_timer;
1606         t->wl = wl;
1607         t->fn = fn;
1608         t->arg = arg;
1609         t->next = wl->timers;
1610         wl->timers = t;
1611
1612 #ifdef BCMDBG
1613         t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1614         if (t->name)
1615                 strcpy(t->name, name);
1616 #endif
1617
1618         return t;
1619 }
1620
1621 /* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
1622  * as well as it's easier to make it periodic
1623  */
1624 void wl_add_timer(struct wl_info *wl, wl_timer_t *t, uint ms, int periodic)
1625 {
1626 #ifdef BCMDBG
1627         if (t->set) {
1628                 WL_ERROR("%s: Already set. Name: %s, per %d\n",
1629                          __func__, t->name, periodic);
1630         }
1631 #endif
1632         ASSERT(!t->set);
1633
1634         t->ms = ms;
1635         t->periodic = (bool) periodic;
1636         t->set = true;
1637         t->timer.expires = jiffies + ms * HZ / 1000;
1638
1639         atomic_inc(&wl->callbacks);
1640         add_timer(&t->timer);
1641 }
1642
1643 /* return true if timer successfully deleted, false if still pending */
1644 bool wl_del_timer(struct wl_info *wl, wl_timer_t *t)
1645 {
1646         if (t->set) {
1647                 t->set = false;
1648                 if (!del_timer(&t->timer)) {
1649                         return false;
1650                 }
1651                 atomic_dec(&wl->callbacks);
1652         }
1653
1654         return true;
1655 }
1656
1657 void wl_free_timer(struct wl_info *wl, wl_timer_t *t)
1658 {
1659         wl_timer_t *tmp;
1660
1661         /* delete the timer in case it is active */
1662         wl_del_timer(wl, t);
1663
1664         if (wl->timers == t) {
1665                 wl->timers = wl->timers->next;
1666 #ifdef BCMDBG
1667                 if (t->name)
1668                         kfree(t->name);
1669 #endif
1670                 kfree(t);
1671                 return;
1672
1673         }
1674
1675         tmp = wl->timers;
1676         while (tmp) {
1677                 if (tmp->next == t) {
1678                         tmp->next = t->next;
1679 #ifdef BCMDBG
1680                         if (t->name)
1681                                 kfree(t->name);
1682 #endif
1683                         kfree(t);
1684                         return;
1685                 }
1686                 tmp = tmp->next;
1687         }
1688
1689 }
1690
1691 static int wl_linux_watchdog(void *ctx)
1692 {
1693         struct wl_info *wl = (struct wl_info *) ctx;
1694         struct wl_cnt *cnt;
1695         struct net_device_stats *stats = NULL;
1696         uint id;
1697         /* refresh stats */
1698         if (wl->pub->up) {
1699                 ASSERT(wl->stats_id < 2);
1700
1701                 cnt = wl->pub->_cnt;
1702                 id = 1 - wl->stats_id;
1703                 stats = &wl->stats_watchdog[id];
1704                 stats->rx_packets = cnt->rxframe;
1705                 stats->tx_packets = cnt->txframe;
1706                 stats->rx_bytes = cnt->rxbyte;
1707                 stats->tx_bytes = cnt->txbyte;
1708                 stats->rx_errors = cnt->rxerror;
1709                 stats->tx_errors = cnt->txerror;
1710                 stats->collisions = 0;
1711
1712                 stats->rx_length_errors = 0;
1713                 stats->rx_over_errors = cnt->rxoflo;
1714                 stats->rx_crc_errors = cnt->rxcrc;
1715                 stats->rx_frame_errors = 0;
1716                 stats->rx_fifo_errors = cnt->rxoflo;
1717                 stats->rx_missed_errors = 0;
1718
1719                 stats->tx_fifo_errors = cnt->txuflo;
1720
1721                 wl->stats_id = id;
1722         }
1723
1724         return 0;
1725 }
1726
1727 struct wl_fw_hdr {
1728         u32 offset;
1729         u32 len;
1730         u32 idx;
1731 };
1732
1733 char *wl_firmwares[WL_MAX_FW] = {
1734         "brcm/bcm43xx",
1735         NULL
1736 };
1737
1738 int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx)
1739 {
1740         int i, entry;
1741         const u8 *pdata;
1742         struct wl_fw_hdr *hdr;
1743         for (i = 0; i < wl->fw.fw_cnt; i++) {
1744                 hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
1745                 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1746                      entry++, hdr++) {
1747                         if (hdr->idx == idx) {
1748                                 pdata = wl->fw.fw_bin[i]->data + hdr->offset;
1749                                 *pbuf = kmalloc(hdr->len, GFP_ATOMIC);
1750                                 if (*pbuf == NULL) {
1751                                         WL_ERROR("fail to alloc %d bytes\n",
1752                                                  hdr->len);
1753                                         goto fail;
1754                                 }
1755                                 memcpy(*pbuf, pdata, hdr->len);
1756                                 return 0;
1757                         }
1758                 }
1759         }
1760         WL_ERROR("ERROR: ucode buf tag:%d can not be found!\n", idx);
1761         *pbuf = NULL;
1762 fail:
1763         return BCME_NOTFOUND;
1764 }
1765
1766 int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx)
1767 {
1768         int i, entry;
1769         const u8 *pdata;
1770         struct wl_fw_hdr *hdr;
1771         for (i = 0; i < wl->fw.fw_cnt; i++) {
1772                 hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
1773                 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1774                      entry++, hdr++) {
1775                         if (hdr->idx == idx) {
1776                                 pdata = wl->fw.fw_bin[i]->data + hdr->offset;
1777                                 ASSERT(hdr->len == 4);
1778                                 *data = *((u32 *) pdata);
1779                                 return 0;
1780                         }
1781                 }
1782         }
1783         WL_ERROR("ERROR: ucode tag:%d can not be found!\n", idx);
1784         return -1;
1785 }
1786
1787 static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev)
1788 {
1789         int status;
1790         struct device *device = &pdev->dev;
1791         char fw_name[100];
1792         int i;
1793
1794         memset((void *)&wl->fw, 0, sizeof(struct wl_firmware));
1795         for (i = 0; i < WL_MAX_FW; i++) {
1796                 if (wl_firmwares[i] == NULL)
1797                         break;
1798                 sprintf(fw_name, "%s-%d.fw", wl_firmwares[i],
1799                         UCODE_LOADER_API_VER);
1800                 WL_NONE("request fw %s\n", fw_name);
1801                 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
1802                 if (status) {
1803                         WL_ERROR("%s: fail to load firmware %s\n",
1804                                  KBUILD_MODNAME, fw_name);
1805                         return status;
1806                 }
1807                 WL_NONE("request fw %s\n", fw_name);
1808                 sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i],
1809                         UCODE_LOADER_API_VER);
1810                 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
1811                 if (status) {
1812                         WL_ERROR("%s: fail to load firmware %s\n",
1813                                  KBUILD_MODNAME, fw_name);
1814                         return status;
1815                 }
1816                 wl->fw.hdr_num_entries[i] =
1817                     wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr));
1818                 WL_NONE("request fw %s find: %d entries\n",
1819                         fw_name, wl->fw.hdr_num_entries[i]);
1820         }
1821         wl->fw.fw_cnt = i;
1822         return wl_ucode_data_init(wl);
1823 }
1824
1825 void wl_ucode_free_buf(void *p)
1826 {
1827         kfree(p);
1828 }
1829
1830 static void wl_release_fw(struct wl_info *wl)
1831 {
1832         int i;
1833         for (i = 0; i < WL_MAX_FW; i++) {
1834                 release_firmware(wl->fw.fw_bin[i]);
1835                 release_firmware(wl->fw.fw_hdr[i]);
1836         }
1837 }
1838
1839
1840 /*
1841  * checks validity of all firmware images loaded from user space
1842  */
1843 int wl_check_firmwares(struct wl_info *wl)
1844 {
1845         int i;
1846         int entry;
1847         int rc = 0;
1848         const struct firmware *fw;
1849         const struct firmware *fw_hdr;
1850         struct wl_fw_hdr *ucode_hdr;
1851         for (i = 0; i < WL_MAX_FW && rc == 0; i++) {
1852                 fw =  wl->fw.fw_bin[i];
1853                 fw_hdr = wl->fw.fw_hdr[i];
1854                 if (fw == NULL && fw_hdr == NULL) {
1855                         break;
1856                 } else if (fw == NULL || fw_hdr == NULL) {
1857                         WL_ERROR("%s: invalid bin/hdr fw\n", __func__);
1858                         rc = -EBADF;
1859                 } else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) {
1860                         WL_ERROR("%s: non integral fw hdr file size %zu/%zu\n",
1861                                  __func__, fw_hdr->size,
1862                                  sizeof(struct wl_fw_hdr));
1863                         rc = -EBADF;
1864                 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1865                         WL_ERROR("%s: out of bounds fw file size %zu\n",
1866                                  __func__, fw->size);
1867                         rc = -EBADF;
1868                 } else {
1869                         /* check if ucode section overruns firmware image */
1870                         ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data;
1871                         for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1872                              !rc; entry++, ucode_hdr++) {
1873                                 if (ucode_hdr->offset + ucode_hdr->len >
1874                                     fw->size) {
1875                                         WL_ERROR("%s: conflicting bin/hdr\n",
1876                                                  __func__);
1877                                         rc = -EBADF;
1878                                 }
1879                         }
1880                 }
1881         }
1882         if (rc == 0 && wl->fw.fw_cnt != i) {
1883                 WL_ERROR("%s: invalid fw_cnt=%d\n", __func__, wl->fw.fw_cnt);
1884                 rc = -EBADF;
1885         }
1886         return rc;
1887 }
1888
1889 bool wl_rfkill_set_hw_state(struct wl_info *wl)
1890 {
1891         bool blocked = wlc_check_radio_disabled(wl->wlc);
1892
1893         WL_NONE("%s: update hw state: blocked=%s\n", __func__,
1894                 blocked ? "true" : "false");
1895         wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1896         if (blocked)
1897                 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1898         return blocked;
1899 }