2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
17 #define __UNDEF_NO_VERSION__
19 #include <linux/etherdevice.h>
20 #include <linux/pci.h>
21 #include <linux/sched.h>
22 #include <linux/firmware.h>
23 #include <linux/interrupt.h>
24 #include <net/mac80211.h>
27 #include "phy/phy_int.h"
32 #include "ucode_loader.h"
33 #include "mac80211_if.h"
36 #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
38 #define LOCK(wl) spin_lock_bh(&(wl)->lock)
39 #define UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
41 /* locking from inside brcms_isr */
42 #define ISR_LOCK(wl, flags)\
44 spin_lock(&(wl)->isr_lock);\
48 #define ISR_UNLOCK(wl, flags)\
50 spin_unlock(&(wl)->isr_lock);\
54 /* locking under LOCK() to synchronize with brcms_isr */
55 #define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
56 #define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
58 /* Flags we support */
59 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
65 FIF_BCN_PRBRESP_PROMISC)
67 #define CHAN2GHZ(channel, freqency, chflags) { \
68 .band = IEEE80211_BAND_2GHZ, \
69 .center_freq = (freqency), \
70 .hw_value = (channel), \
72 .max_antenna_gain = 0, \
76 #define CHAN5GHZ(channel, chflags) { \
77 .band = IEEE80211_BAND_5GHZ, \
78 .center_freq = 5000 + 5*(channel), \
79 .hw_value = (channel), \
81 .max_antenna_gain = 0, \
85 #define RATE(rate100m, _flags) { \
86 .bitrate = (rate100m), \
88 .hw_value = (rate100m / 5), \
97 static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
102 static int n_adapters_found;
104 MODULE_AUTHOR("Broadcom Corporation");
105 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
106 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
107 MODULE_LICENSE("Dual BSD/GPL");
109 /* recognized PCI IDs */
110 static DEFINE_PCI_DEVICE_TABLE(brcms_pci_id_table) = {
111 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, /* 43225 2G */
112 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, /* 43224 DUAL */
113 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, /* 4313 DUAL */
114 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) }, /* 43224 Ven */
118 MODULE_DEVICE_TABLE(pci, brcms_pci_id_table);
121 static int msglevel = 0xdeadbeef;
122 module_param(msglevel, int, 0);
125 static struct ieee80211_channel brcms_2ghz_chantable[] = {
126 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
127 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
128 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
129 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
130 CHAN2GHZ(5, 2432, 0),
131 CHAN2GHZ(6, 2437, 0),
132 CHAN2GHZ(7, 2442, 0),
133 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
134 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
135 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
136 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
138 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
139 IEEE80211_CHAN_NO_HT40PLUS),
141 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
142 IEEE80211_CHAN_NO_HT40PLUS),
144 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
145 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
148 static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
150 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
151 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
152 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
153 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
156 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
157 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
159 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
160 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
162 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
163 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
165 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
166 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
169 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
170 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
172 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
173 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
175 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
176 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
178 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
179 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
181 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
182 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
184 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
185 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
187 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
188 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
190 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
191 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
193 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
194 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
196 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
197 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
199 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
200 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
201 IEEE80211_CHAN_NO_HT40MINUS),
203 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
204 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
205 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
206 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
207 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
211 * The rate table is used for both 2.4G and 5G rates. The
212 * latter being a subset as it does not support CCK rates.
214 static struct ieee80211_rate legacy_ratetable[] = {
216 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
217 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
218 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
229 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
230 .band = IEEE80211_BAND_2GHZ,
231 .channels = brcms_2ghz_chantable,
232 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
233 .bitrates = legacy_ratetable,
234 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
236 /* from include/linux/ieee80211.h */
237 .cap = IEEE80211_HT_CAP_GRN_FLD |
238 IEEE80211_HT_CAP_SGI_20 |
239 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
240 .ht_supported = true,
241 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
242 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
244 /* placeholders for now */
245 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
246 .rx_highest = cpu_to_le16(500),
247 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
251 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
252 .band = IEEE80211_BAND_5GHZ,
253 .channels = brcms_5ghz_nphy_chantable,
254 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
255 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
256 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
257 BRCMS_LEGACY_5G_RATE_OFFSET,
259 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
260 IEEE80211_HT_CAP_SGI_40 |
261 IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
262 .ht_supported = true,
263 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
264 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
266 /* placeholders for now */
267 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
268 .rx_highest = cpu_to_le16(500),
269 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
273 /* flags the given rate in rateset as requested */
274 static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
278 for (i = 0; i < rs->count; i++) {
279 if (rate != (rs->rates[i] & 0x7f))
283 rs->rates[i] |= BRCMS_RATE_FLAG;
285 rs->rates[i] &= BRCMS_RATE_MASK;
290 static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
292 struct brcms_info *wl = hw->priv;
296 wiphy_err(wl->wiphy, "ops->tx called while down\n");
300 brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
305 static int brcms_ops_start(struct ieee80211_hw *hw)
307 struct brcms_info *wl = hw->priv;
310 ieee80211_wake_queues(hw);
312 blocked = brcms_rfkill_set_hw_state(wl);
315 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
320 static void brcms_ops_stop(struct ieee80211_hw *hw)
322 ieee80211_stop_queues(hw);
326 brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
328 struct brcms_info *wl;
331 /* Just STA for now */
332 if (vif->type != NL80211_IFTYPE_AP &&
333 vif->type != NL80211_IFTYPE_MESH_POINT &&
334 vif->type != NL80211_IFTYPE_STATION &&
335 vif->type != NL80211_IFTYPE_WDS &&
336 vif->type != NL80211_IFTYPE_ADHOC) {
337 wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only"
338 " STA for now\n", __func__, vif->type);
351 wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__,
358 brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
360 struct brcms_info *wl;
364 /* put driver in down state */
370 static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
372 struct ieee80211_conf *conf = &hw->conf;
373 struct brcms_info *wl = hw->priv;
376 struct wiphy *wiphy = hw->wiphy;
379 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
380 brcms_c_set_beacon_listen_interval(wl->wlc,
381 conf->listen_interval);
383 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
384 wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
385 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
387 if (changed & IEEE80211_CONF_CHANGE_PS)
388 wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n",
389 __func__, conf->flags & IEEE80211_CONF_PS ?
392 if (changed & IEEE80211_CONF_CHANGE_POWER) {
393 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
395 wiphy_err(wiphy, "%s: Error setting power_level\n",
399 new_int = brcms_c_get_tx_power(wl->wlc);
400 if (new_int != conf->power_level)
401 wiphy_err(wiphy, "%s: Power level req != actual, %d %d"
402 "\n", __func__, conf->power_level,
405 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
406 if (conf->channel_type == NL80211_CHAN_HT20 ||
407 conf->channel_type == NL80211_CHAN_NO_HT)
408 err = brcms_c_set_channel(wl->wlc,
409 conf->channel->hw_value);
413 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
414 err = brcms_c_set_rate_limit(wl->wlc,
415 conf->short_frame_max_tx_count,
416 conf->long_frame_max_tx_count);
424 brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
425 struct ieee80211_vif *vif,
426 struct ieee80211_bss_conf *info, u32 changed)
428 struct brcms_info *wl = hw->priv;
429 struct wiphy *wiphy = hw->wiphy;
431 if (changed & BSS_CHANGED_ASSOC) {
432 /* association status changed (associated/disassociated)
433 * also implies a change in the AID.
435 wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME,
436 __func__, info->assoc ? "" : "dis");
438 brcms_c_associate_upd(wl->wlc, info->assoc);
441 if (changed & BSS_CHANGED_ERP_SLOT) {
444 /* slot timing changed */
445 if (info->use_short_slot)
450 brcms_c_set_shortslot_override(wl->wlc, val);
454 if (changed & BSS_CHANGED_HT) {
455 /* 802.11n parameters changed */
456 u16 mode = info->ht_operation_mode;
459 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
460 mode & IEEE80211_HT_OP_MODE_PROTECTION);
461 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
462 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
463 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
464 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
467 if (changed & BSS_CHANGED_BASIC_RATES) {
468 struct ieee80211_supported_band *bi;
471 struct brcm_rateset rs;
474 /* retrieve the current rates */
476 brcms_c_get_current_rateset(wl->wlc, &rs);
479 br_mask = info->basic_rates;
480 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
481 for (i = 0; i < bi->n_bitrates; i++) {
482 /* convert to internal rate value */
483 rate = (bi->bitrates[i].bitrate << 1) / 10;
485 /* set/clear basic rate flag */
486 brcms_set_basic_rate(&rs, rate, br_mask & 1);
490 /* update the rate set */
492 error = brcms_c_set_rateset(wl->wlc, &rs);
495 wiphy_err(wiphy, "changing basic rates failed: %d\n",
498 if (changed & BSS_CHANGED_BEACON_INT) {
499 /* Beacon interval changed */
501 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
504 if (changed & BSS_CHANGED_BSSID) {
505 /* BSSID changed, for whatever reason (IBSS and managed mode) */
507 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
510 if (changed & BSS_CHANGED_BEACON)
511 /* Beacon data changed, retrieve new beacon (beaconing modes) */
512 wiphy_err(wiphy, "%s: beacon changed\n", __func__);
514 if (changed & BSS_CHANGED_BEACON_ENABLED) {
515 /* Beaconing should be enabled/disabled (beaconing modes) */
516 wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__,
517 info->enable_beacon ? "true" : "false");
520 if (changed & BSS_CHANGED_CQM) {
521 /* Connection quality monitor config changed */
522 wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d "
523 " (implement)\n", __func__, info->cqm_rssi_thold,
524 info->cqm_rssi_hyst);
527 if (changed & BSS_CHANGED_IBSS) {
528 /* IBSS join status changed */
529 wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__,
530 info->ibss_joined ? "true" : "false");
533 if (changed & BSS_CHANGED_ARP_FILTER) {
534 /* Hardware ARP filter address list or state changed */
535 wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d"
536 " (implement)\n", __func__, info->arp_filter_enabled ?
537 "true" : "false", info->arp_addr_cnt);
540 if (changed & BSS_CHANGED_QOS) {
542 * QoS for this association was enabled/disabled.
543 * Note that it is only ever disabled for station mode.
545 wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__,
546 info->qos ? "true" : "false");
552 brcms_ops_configure_filter(struct ieee80211_hw *hw,
553 unsigned int changed_flags,
554 unsigned int *total_flags, u64 multicast)
556 struct brcms_info *wl = hw->priv;
557 struct wiphy *wiphy = hw->wiphy;
559 changed_flags &= MAC_FILTERS;
560 *total_flags &= MAC_FILTERS;
561 if (changed_flags & FIF_PROMISC_IN_BSS)
562 wiphy_err(wiphy, "FIF_PROMISC_IN_BSS\n");
563 if (changed_flags & FIF_ALLMULTI)
564 wiphy_err(wiphy, "FIF_ALLMULTI\n");
565 if (changed_flags & FIF_FCSFAIL)
566 wiphy_err(wiphy, "FIF_FCSFAIL\n");
567 if (changed_flags & FIF_PLCPFAIL)
568 wiphy_err(wiphy, "FIF_PLCPFAIL\n");
569 if (changed_flags & FIF_CONTROL)
570 wiphy_err(wiphy, "FIF_CONTROL\n");
571 if (changed_flags & FIF_OTHER_BSS)
572 wiphy_err(wiphy, "FIF_OTHER_BSS\n");
573 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
575 if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
576 wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
577 brcms_c_mac_bcn_promisc_change(wl->wlc, 1);
579 brcms_c_mac_bcn_promisc_change(wl->wlc, 0);
580 wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
587 static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
589 struct brcms_info *wl = hw->priv;
591 brcms_c_scan_start(wl->wlc);
596 static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
598 struct brcms_info *wl = hw->priv;
600 brcms_c_scan_stop(wl->wlc);
606 brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
607 const struct ieee80211_tx_queue_params *params)
609 struct brcms_info *wl = hw->priv;
612 brcms_c_wme_setparams(wl->wlc, queue, params, true);
619 brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
620 struct ieee80211_sta *sta)
622 struct brcms_info *wl = hw->priv;
623 struct scb *scb = &wl->wlc->pri_scb;
625 brcms_c_init_scb(scb);
627 wl->pub->global_ampdu = &(scb->scb_ampdu);
628 wl->pub->global_ampdu->scb = scb;
629 wl->pub->global_ampdu->max_pdu = 16;
631 sta->ht_cap.ht_supported = true;
632 sta->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
633 sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
634 sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
635 IEEE80211_HT_CAP_SGI_20 |
636 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
639 * minstrel_ht initiates addBA on our behalf by calling
640 * ieee80211_start_tx_ba_session()
646 brcms_ops_ampdu_action(struct ieee80211_hw *hw,
647 struct ieee80211_vif *vif,
648 enum ieee80211_ampdu_mlme_action action,
649 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
652 struct brcms_info *wl = hw->priv;
653 struct scb *scb = &wl->wlc->pri_scb;
656 if (WARN_ON(scb->magic != SCB_MAGIC))
659 case IEEE80211_AMPDU_RX_START:
661 case IEEE80211_AMPDU_RX_STOP:
663 case IEEE80211_AMPDU_TX_START:
665 status = brcms_c_aggregatable(wl->wlc, tid);
668 wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
672 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
675 case IEEE80211_AMPDU_TX_STOP:
677 brcms_c_ampdu_flush(wl->wlc, sta, tid);
679 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
681 case IEEE80211_AMPDU_TX_OPERATIONAL:
683 * BA window size from ADDBA response ('buf_size') defines how
684 * many outstanding MPDUs are allowed for the BA stream by
685 * recipient and traffic class. 'ampdu_factor' gives maximum
689 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
690 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
691 sta->ht_cap.ampdu_factor)) - 1);
693 /* Power save wakeup */
696 wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n",
703 static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
705 struct brcms_info *wl = hw->priv;
709 blocked = brcms_c_check_radio_disabled(wl->wlc);
712 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
715 static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
717 struct brcms_info *wl = hw->priv;
719 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
721 /* wait for packet queue and dma fifos to run empty */
723 brcms_c_wait_for_tx_completion(wl->wlc, drop);
727 static const struct ieee80211_ops brcms_ops = {
729 .start = brcms_ops_start,
730 .stop = brcms_ops_stop,
731 .add_interface = brcms_ops_add_interface,
732 .remove_interface = brcms_ops_remove_interface,
733 .config = brcms_ops_config,
734 .bss_info_changed = brcms_ops_bss_info_changed,
735 .configure_filter = brcms_ops_configure_filter,
736 .sw_scan_start = brcms_ops_sw_scan_start,
737 .sw_scan_complete = brcms_ops_sw_scan_complete,
738 .conf_tx = brcms_ops_conf_tx,
739 .sta_add = brcms_ops_sta_add,
740 .ampdu_action = brcms_ops_ampdu_action,
741 .rfkill_poll = brcms_ops_rfkill_poll,
742 .flush = brcms_ops_flush,
746 * is called in brcms_pci_probe() context, therefore no locking required.
748 static int brcms_set_hint(struct brcms_info *wl, char *abbrev)
750 return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
753 void brcms_dpc(unsigned long data)
755 struct brcms_info *wl;
757 wl = (struct brcms_info *) data;
761 /* call the common second level interrupt handler */
767 brcms_c_intrsupd(wl->wlc);
768 INT_UNLOCK(wl, flags);
771 wl->resched = brcms_c_dpc(wl->wlc, true);
774 /* brcms_c_dpc() may bring the driver down */
778 /* re-schedule dpc */
780 tasklet_schedule(&wl->tasklet);
782 /* re-enable interrupts */
790 * Precondition: Since this function is called in brcms_pci_probe() context,
791 * no locking is required.
793 static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
796 struct device *device = &pdev->dev;
800 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
801 for (i = 0; i < MAX_FW_IMAGES; i++) {
802 if (brcms_firmwares[i] == NULL)
804 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
805 UCODE_LOADER_API_VER);
806 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
808 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
809 KBUILD_MODNAME, fw_name);
812 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
813 UCODE_LOADER_API_VER);
814 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
816 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
817 KBUILD_MODNAME, fw_name);
820 wl->fw.hdr_num_entries[i] =
821 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
824 return brcms_ucode_data_init(wl, &wl->ucode);
828 * Precondition: Since this function is called in brcms_pci_probe() context,
829 * no locking is required.
831 static void brcms_release_fw(struct brcms_info *wl)
834 for (i = 0; i < MAX_FW_IMAGES; i++) {
835 release_firmware(wl->fw.fw_bin[i]);
836 release_firmware(wl->fw.fw_hdr[i]);
841 * This function frees the WL per-device resources.
843 * This function frees resources owned by the WL device pointed to
844 * by the wl parameter.
846 * precondition: can both be called locked and unlocked
849 static void brcms_free(struct brcms_info *wl)
851 struct brcms_timer *t, *next;
853 /* free ucode data */
855 brcms_ucode_data_free(&wl->ucode);
857 free_irq(wl->irq, wl);
860 tasklet_kill(&wl->tasklet);
863 brcms_c_module_unregister(wl->pub, "linux", wl);
865 /* free common resources */
867 brcms_c_detach(wl->wlc);
872 /* virtual interface deletion is deferred so we cannot spinwait */
874 /* wait for all pending callbacks to complete */
875 while (atomic_read(&wl->callbacks) > 0)
879 for (t = wl->timers; t; t = next) {
888 * unregister_netdev() calls get_stats() which may read chip
889 * registers so we cannot unmap the chip registers until
890 * after calling unregister_netdev() .
899 * called from both kernel as from this kernel module.
900 * precondition: perimeter lock is not acquired.
902 static void brcms_remove(struct pci_dev *pdev)
904 struct brcms_info *wl;
905 struct ieee80211_hw *hw;
908 hw = pci_get_drvdata(pdev);
911 pr_err("wl: brcms_remove: pci_get_drvdata failed\n");
916 status = brcms_c_chipmatch(pdev->vendor, pdev->device);
919 wiphy_err(wl->wiphy, "wl: brcms_remove: chipmatch "
924 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
925 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
926 ieee80211_unregister_hw(hw);
931 pci_disable_device(pdev);
935 pci_set_drvdata(pdev, NULL);
936 ieee80211_free_hw(hw);
939 static irqreturn_t brcms_isr(int irq, void *dev_id)
941 struct brcms_info *wl;
945 wl = (struct brcms_info *) dev_id;
949 /* call common first level interrupt handler */
950 ours = brcms_c_isr(wl->wlc, &wantdpc);
952 /* if more to do... */
955 /* ...and call the second level interrupt handler */
957 tasklet_schedule(&wl->tasklet);
961 ISR_UNLOCK(wl, flags);
963 return IRQ_RETVAL(ours);
967 * is called in brcms_pci_probe() context, therefore no locking required.
969 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
971 struct brcms_info *wl = hw->priv;
972 struct brcms_c_info *wlc = wl->wlc;
973 struct ieee80211_supported_band *band;
977 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
978 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
980 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
981 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
982 band = &wlc->bandstate[BAND_2G_INDEX]->band;
983 *band = brcms_band_2GHz_nphy_template;
984 if (phy_type == PHY_TYPE_LCN) {
986 band->ht_cap.mcs.rx_mask[1] = 0;
987 band->ht_cap.mcs.rx_highest = 72;
989 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
994 /* Assume all bands use the same phy. True for 11n devices. */
995 if (wl->pub->_nbands > 1) {
997 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
998 band = &wlc->bandstate[BAND_5G_INDEX]->band;
999 *band = brcms_band_5GHz_nphy_template;
1000 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
1009 * is called in brcms_pci_probe() context, therefore no locking required.
1011 static int ieee_hw_init(struct ieee80211_hw *hw)
1013 hw->flags = IEEE80211_HW_SIGNAL_DBM
1014 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
1015 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
1016 | IEEE80211_HW_AMPDU_AGGREGATION;
1018 hw->extra_tx_headroom = brcms_c_get_header_len();
1019 hw->queues = N_TX_QUEUES;
1020 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
1022 /* channel change time is dependent on chip and band */
1023 hw->channel_change_time = 7 * 1000;
1024 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
1026 hw->rate_control_algorithm = "minstrel_ht";
1028 hw->sta_data_size = 0;
1029 return ieee_hw_rate_init(hw);
1033 * attach to the WL device.
1035 * Attach to the WL device identified by vendor and device parameters.
1036 * regs is a host accessible memory address pointing to WL device registers.
1038 * brcms_attach is not defined as static because in the case where no bus
1039 * is defined, wl_attach will never be called, and thus, gcc will issue
1040 * a warning that this function is defined but not used if we declare
1044 * is called in brcms_pci_probe() context, therefore no locking required.
1046 static struct brcms_info *brcms_attach(u16 vendor, u16 device,
1047 resource_size_t regs,
1048 struct pci_dev *btparam, uint irq)
1050 struct brcms_info *wl = NULL;
1052 struct ieee80211_hw *hw;
1055 unit = n_adapters_found;
1061 /* allocate private info */
1062 hw = pci_get_drvdata(btparam); /* btparam == pdev */
1065 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1067 wl->wiphy = hw->wiphy;
1069 atomic_set(&wl->callbacks, 0);
1071 /* setup the bottom half handler */
1072 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1074 wl->regsva = ioremap_nocache(regs, PCI_BAR0_WINSZ);
1075 if (wl->regsva == NULL) {
1076 wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
1079 spin_lock_init(&wl->lock);
1080 spin_lock_init(&wl->isr_lock);
1083 if (brcms_request_fw(wl, btparam) < 0) {
1084 wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
1085 "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
1086 brcms_release_fw(wl);
1087 brcms_remove(btparam);
1091 /* common load-time initialization */
1092 wl->wlc = brcms_c_attach(wl, vendor, device, unit, false,
1093 wl->regsva, btparam, &err);
1094 brcms_release_fw(wl);
1096 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1097 KBUILD_MODNAME, err);
1100 wl->pub = brcms_c_pub(wl->wlc);
1102 wl->pub->ieee_hw = hw;
1105 brcms_c_set_radio_mpc(wl->wlc, false);
1107 /* register our interrupt handler */
1108 if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
1109 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1114 /* register module */
1115 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1117 if (ieee_hw_init(hw)) {
1118 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1123 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1124 if (WARN_ON(!is_valid_ether_addr(perm)))
1126 SET_IEEE80211_PERM_ADDR(hw, perm);
1128 err = ieee80211_register_hw(hw);
1130 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1131 "%d\n", __func__, err);
1133 if (wl->pub->srom_ccode[0])
1134 err = brcms_set_hint(wl, wl->pub->srom_ccode);
1136 err = brcms_set_hint(wl, "US");
1138 wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
1152 * determines if a device is a WL device, and if so, attaches it.
1154 * This function determines if a device pointed to by pdev is a WL device,
1155 * and if so, performs a brcms_attach() on it.
1157 * Perimeter lock is initialized in the course of this function.
1159 static int __devinit
1160 brcms_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1163 struct brcms_info *wl;
1164 struct ieee80211_hw *hw;
1167 dev_info(&pdev->dev, "bus %d slot %d func %d irq %d\n",
1168 pdev->bus->number, PCI_SLOT(pdev->devfn),
1169 PCI_FUNC(pdev->devfn), pdev->irq);
1171 if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
1172 ((pdev->device != 0x0576) &&
1173 ((pdev->device & 0xff00) != 0x4300) &&
1174 ((pdev->device & 0xff00) != 0x4700) &&
1175 ((pdev->device < 43000) || (pdev->device > 43999))))
1178 rc = pci_enable_device(pdev);
1180 pr_err("%s: Cannot enable device %d-%d_%d\n",
1181 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1182 PCI_FUNC(pdev->devfn));
1185 pci_set_master(pdev);
1187 pci_read_config_dword(pdev, 0x40, &val);
1188 if ((val & 0x0000ff00) != 0)
1189 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1191 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1193 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1197 SET_IEEE80211_DEV(hw, &pdev->dev);
1199 pci_set_drvdata(pdev, hw);
1201 memset(hw->priv, 0, sizeof(*wl));
1203 wl = brcms_attach(pdev->vendor, pdev->device,
1204 pci_resource_start(pdev, 0), pdev,
1208 pr_err("%s: %s: brcms_attach failed!\n", KBUILD_MODNAME,
1215 static int brcms_suspend(struct pci_dev *pdev, pm_message_t state)
1217 struct brcms_info *wl;
1218 struct ieee80211_hw *hw;
1220 hw = pci_get_drvdata(pdev);
1223 wiphy_err(wl->wiphy,
1224 "brcms_suspend: pci_get_drvdata failed\n");
1228 /* only need to flag hw is down for proper resume */
1230 wl->pub->hw_up = false;
1233 pci_save_state(pdev);
1234 pci_disable_device(pdev);
1235 return pci_set_power_state(pdev, PCI_D3hot);
1238 static int brcms_resume(struct pci_dev *pdev)
1240 struct brcms_info *wl;
1241 struct ieee80211_hw *hw;
1245 hw = pci_get_drvdata(pdev);
1248 wiphy_err(wl->wiphy,
1249 "wl: brcms_resume: pci_get_drvdata failed\n");
1253 err = pci_set_power_state(pdev, PCI_D0);
1257 pci_restore_state(pdev);
1259 err = pci_enable_device(pdev);
1263 pci_set_master(pdev);
1265 pci_read_config_dword(pdev, 0x40, &val);
1266 if ((val & 0x0000ff00) != 0)
1267 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1270 * done. driver will be put in up state
1271 * in brcms_ops_add_interface() call.
1276 static struct pci_driver brcms_pci_driver = {
1277 .name = KBUILD_MODNAME,
1278 .probe = brcms_pci_probe,
1279 .suspend = brcms_suspend,
1280 .resume = brcms_resume,
1281 .remove = __devexit_p(brcms_remove),
1282 .id_table = brcms_pci_id_table,
1286 * This is the main entry point for the WL driver.
1288 * This function determines if a device pointed to by pdev is a WL device,
1289 * and if so, performs a brcms_attach() on it.
1292 static int __init brcms_module_init(void)
1294 int error = -ENODEV;
1297 if (msglevel != 0xdeadbeef)
1298 brcm_msg_level = msglevel;
1301 error = pci_register_driver(&brcms_pci_driver);
1311 * This function unloads the WL driver from the system.
1313 * This function unconditionally unloads the WL driver module from the
1317 static void __exit brcms_module_exit(void)
1319 pci_unregister_driver(&brcms_pci_driver);
1323 module_init(brcms_module_init);
1324 module_exit(brcms_module_exit);
1327 * precondition: perimeter lock has been acquired
1329 void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1330 bool state, int prio)
1332 wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__);
1336 * precondition: perimeter lock has been acquired
1338 void brcms_init(struct brcms_info *wl)
1340 BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
1343 brcms_c_init(wl->wlc);
1347 * precondition: perimeter lock has been acquired
1349 uint brcms_reset(struct brcms_info *wl)
1351 BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
1352 brcms_c_reset(wl->wlc);
1354 /* dpc will not be rescheduled */
1361 * These are interrupt on/off entry points. Disable interrupts
1362 * during interrupt state transition.
1364 void brcms_intrson(struct brcms_info *wl)
1366 unsigned long flags;
1368 INT_LOCK(wl, flags);
1369 brcms_c_intrson(wl->wlc);
1370 INT_UNLOCK(wl, flags);
1373 u32 brcms_intrsoff(struct brcms_info *wl)
1375 unsigned long flags;
1378 INT_LOCK(wl, flags);
1379 status = brcms_c_intrsoff(wl->wlc);
1380 INT_UNLOCK(wl, flags);
1384 void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1386 unsigned long flags;
1388 INT_LOCK(wl, flags);
1389 brcms_c_intrsrestore(wl->wlc, macintmask);
1390 INT_UNLOCK(wl, flags);
1394 * precondition: perimeter lock has been acquired
1396 int brcms_up(struct brcms_info *wl)
1403 error = brcms_c_up(wl->wlc);
1409 * precondition: perimeter lock has been acquired
1411 void brcms_down(struct brcms_info *wl)
1413 uint callbacks, ret_val = 0;
1415 /* call common down function */
1416 ret_val = brcms_c_down(wl->wlc);
1417 callbacks = atomic_read(&wl->callbacks) - ret_val;
1419 /* wait for down callbacks to complete */
1422 /* For HIGH_only driver, it's important to actually schedule other work,
1423 * not just spin wait since everything runs at schedule level
1425 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1431 * precondition: perimeter lock is not acquired
1433 void brcms_timer(struct brcms_timer *t)
1439 t->timer.expires = jiffies + t->ms * HZ / 1000;
1440 atomic_inc(&t->wl->callbacks);
1441 add_timer(&t->timer);
1449 atomic_dec(&t->wl->callbacks);
1455 * is called by the kernel from software irq context
1457 static void _brcms_timer(unsigned long data)
1459 brcms_timer((struct brcms_timer *) data);
1463 * Adds a timer to the list. Caller supplies a timer function.
1464 * Is called from wlc.
1466 * precondition: perimeter lock has been acquired
1468 struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1469 void (*fn) (void *arg),
1470 void *arg, const char *name)
1472 struct brcms_timer *t;
1474 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1478 init_timer(&t->timer);
1479 t->timer.data = (unsigned long) t;
1480 t->timer.function = _brcms_timer;
1484 t->next = wl->timers;
1488 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1490 strcpy(t->name, name);
1497 * adds only the kernel timer since it's going to be more accurate
1498 * as well as it's easier to make it periodic
1500 * precondition: perimeter lock has been acquired
1502 void brcms_add_timer(struct brcms_info *wl, struct brcms_timer *t, uint ms,
1507 wiphy_err(wl->wiphy, "%s: Already set. Name: %s, per %d\n",
1508 __func__, t->name, periodic);
1512 t->periodic = (bool) periodic;
1514 t->timer.expires = jiffies + ms * HZ / 1000;
1516 atomic_inc(&wl->callbacks);
1517 add_timer(&t->timer);
1521 * return true if timer successfully deleted, false if still pending
1523 * precondition: perimeter lock has been acquired
1525 bool brcms_del_timer(struct brcms_info *wl, struct brcms_timer *t)
1529 if (!del_timer(&t->timer))
1532 atomic_dec(&wl->callbacks);
1539 * precondition: perimeter lock has been acquired
1541 void brcms_free_timer(struct brcms_info *wl, struct brcms_timer *t)
1543 struct brcms_timer *tmp;
1545 /* delete the timer in case it is active */
1546 brcms_del_timer(wl, t);
1548 if (wl->timers == t) {
1549 wl->timers = wl->timers->next;
1560 if (tmp->next == t) {
1561 tmp->next = t->next;
1574 * precondition: perimeter lock has been acquired
1576 int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1580 struct firmware_hdr *hdr;
1581 for (i = 0; i < wl->fw.fw_cnt; i++) {
1582 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1583 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1585 u32 len = le32_to_cpu(hdr->len);
1586 if (le32_to_cpu(hdr->idx) == idx) {
1587 pdata = wl->fw.fw_bin[i]->data +
1588 le32_to_cpu(hdr->offset);
1589 *pbuf = kmalloc(len, GFP_ATOMIC);
1593 memcpy(*pbuf, pdata, len);
1598 wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n",
1606 * Precondition: Since this function is called in brcms_pci_probe() context,
1607 * no locking is required.
1609 int brcms_ucode_init_uint(struct brcms_info *wl, u32 *data, u32 idx)
1613 struct firmware_hdr *hdr;
1614 for (i = 0; i < wl->fw.fw_cnt; i++) {
1615 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1616 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1618 if (le32_to_cpu(hdr->idx) == idx) {
1619 pdata = wl->fw.fw_bin[i]->data +
1620 le32_to_cpu(hdr->offset);
1621 if (le32_to_cpu(hdr->len) != 4) {
1622 wiphy_err(wl->wiphy,
1623 "ERROR: fw hdr len\n");
1626 *data = le32_to_cpu(*((__le32 *) pdata));
1631 wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx);
1636 * precondition: can both be called locked and unlocked
1638 void brcms_ucode_free_buf(void *p)
1644 * checks validity of all firmware images loaded from user space
1646 * Precondition: Since this function is called in brcms_pci_probe() context,
1647 * no locking is required.
1649 int brcms_check_firmwares(struct brcms_info *wl)
1654 const struct firmware *fw;
1655 const struct firmware *fw_hdr;
1656 struct firmware_hdr *ucode_hdr;
1657 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1658 fw = wl->fw.fw_bin[i];
1659 fw_hdr = wl->fw.fw_hdr[i];
1660 if (fw == NULL && fw_hdr == NULL) {
1662 } else if (fw == NULL || fw_hdr == NULL) {
1663 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1666 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1667 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1668 "size %zu/%zu\n", __func__, fw_hdr->size,
1669 sizeof(struct firmware_hdr));
1671 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1672 wiphy_err(wl->wiphy, "%s: out of bounds fw file size "
1673 "%zu\n", __func__, fw->size);
1676 /* check if ucode section overruns firmware image */
1677 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1678 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1679 !rc; entry++, ucode_hdr++) {
1680 if (le32_to_cpu(ucode_hdr->offset) +
1681 le32_to_cpu(ucode_hdr->len) >
1683 wiphy_err(wl->wiphy,
1684 "%s: conflicting bin/hdr\n",
1691 if (rc == 0 && wl->fw.fw_cnt != i) {
1692 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1700 * precondition: perimeter lock has been acquired
1702 bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1704 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1707 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1709 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1715 * precondition: perimeter lock has been acquired
1717 void brcms_msleep(struct brcms_info *wl, uint ms)