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 /* Flags we support */
39 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
45 FIF_BCN_PRBRESP_PROMISC)
47 #define CHAN2GHZ(channel, freqency, chflags) { \
48 .band = IEEE80211_BAND_2GHZ, \
49 .center_freq = (freqency), \
50 .hw_value = (channel), \
52 .max_antenna_gain = 0, \
56 #define CHAN5GHZ(channel, chflags) { \
57 .band = IEEE80211_BAND_5GHZ, \
58 .center_freq = 5000 + 5*(channel), \
59 .hw_value = (channel), \
61 .max_antenna_gain = 0, \
65 #define RATE(rate100m, _flags) { \
66 .bitrate = (rate100m), \
68 .hw_value = (rate100m / 5), \
77 static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
82 static int n_adapters_found;
84 MODULE_AUTHOR("Broadcom Corporation");
85 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
86 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
87 MODULE_LICENSE("Dual BSD/GPL");
89 /* recognized PCI IDs */
90 static DEFINE_PCI_DEVICE_TABLE(brcms_pci_id_table) = {
91 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, /* 43225 2G */
92 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, /* 43224 DUAL */
93 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, /* 4313 DUAL */
94 { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) }, /* 43224 Ven */
98 MODULE_DEVICE_TABLE(pci, brcms_pci_id_table);
101 static int msglevel = 0xdeadbeef;
102 module_param(msglevel, int, 0);
105 static struct ieee80211_channel brcms_2ghz_chantable[] = {
106 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
107 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
108 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
109 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
110 CHAN2GHZ(5, 2432, 0),
111 CHAN2GHZ(6, 2437, 0),
112 CHAN2GHZ(7, 2442, 0),
113 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
114 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
115 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
116 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
118 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
119 IEEE80211_CHAN_NO_HT40PLUS),
121 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
122 IEEE80211_CHAN_NO_HT40PLUS),
124 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
125 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
128 static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
130 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
131 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
132 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
133 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
136 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
137 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
139 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
140 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
142 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
143 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
145 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
146 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
149 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
150 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
152 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
153 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
155 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
156 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
158 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
159 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
161 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
162 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
164 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
165 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
167 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
168 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
170 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
171 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
173 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
174 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
176 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
177 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
179 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
180 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
181 IEEE80211_CHAN_NO_HT40MINUS),
183 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
184 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
185 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
186 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
187 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
191 * The rate table is used for both 2.4G and 5G rates. The
192 * latter being a subset as it does not support CCK rates.
194 static struct ieee80211_rate legacy_ratetable[] = {
196 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
197 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
198 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
209 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
210 .band = IEEE80211_BAND_2GHZ,
211 .channels = brcms_2ghz_chantable,
212 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
213 .bitrates = legacy_ratetable,
214 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
216 /* from include/linux/ieee80211.h */
217 .cap = IEEE80211_HT_CAP_GRN_FLD |
218 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
219 .ht_supported = true,
220 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
221 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
223 /* placeholders for now */
224 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
225 .rx_highest = cpu_to_le16(500),
226 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
230 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
231 .band = IEEE80211_BAND_5GHZ,
232 .channels = brcms_5ghz_nphy_chantable,
233 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
234 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
235 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
236 BRCMS_LEGACY_5G_RATE_OFFSET,
238 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
239 IEEE80211_HT_CAP_SGI_40,
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 /* flags the given rate in rateset as requested */
252 static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
256 for (i = 0; i < rs->count; i++) {
257 if (rate != (rs->rates[i] & 0x7f))
261 rs->rates[i] |= BRCMS_RATE_FLAG;
263 rs->rates[i] &= BRCMS_RATE_MASK;
268 static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
270 struct brcms_info *wl = hw->priv;
272 spin_lock_bh(&wl->lock);
274 wiphy_err(wl->wiphy, "ops->tx called while down\n");
278 brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
280 spin_unlock_bh(&wl->lock);
283 static int brcms_ops_start(struct ieee80211_hw *hw)
285 struct brcms_info *wl = hw->priv;
289 ieee80211_wake_queues(hw);
290 spin_lock_bh(&wl->lock);
291 blocked = brcms_rfkill_set_hw_state(wl);
292 spin_unlock_bh(&wl->lock);
294 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
296 spin_lock_bh(&wl->lock);
297 /* avoid acknowledging frames before a non-monitor device is added */
304 spin_unlock_bh(&wl->lock);
307 wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__,
312 static void brcms_ops_stop(struct ieee80211_hw *hw)
314 struct brcms_info *wl = hw->priv;
317 ieee80211_stop_queues(hw);
322 spin_lock_bh(&wl->lock);
323 status = brcms_c_chipmatch(wl->wlc->hw->vendorid,
324 wl->wlc->hw->deviceid);
325 spin_unlock_bh(&wl->lock);
328 "wl: brcms_ops_stop: chipmatch failed\n");
332 /* put driver in down state */
333 spin_lock_bh(&wl->lock);
335 spin_unlock_bh(&wl->lock);
339 brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
341 struct brcms_info *wl = hw->priv;
343 /* Just STA for now */
344 if (vif->type != NL80211_IFTYPE_STATION) {
345 wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only"
346 " STA for now\n", __func__, vif->type);
351 brcms_c_mute(wl->wlc, false);
357 brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
361 static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
363 struct ieee80211_conf *conf = &hw->conf;
364 struct brcms_info *wl = hw->priv;
367 struct wiphy *wiphy = hw->wiphy;
369 spin_lock_bh(&wl->lock);
370 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
371 brcms_c_set_beacon_listen_interval(wl->wlc,
372 conf->listen_interval);
374 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
375 wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
376 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
378 if (changed & IEEE80211_CONF_CHANGE_PS)
379 wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n",
380 __func__, conf->flags & IEEE80211_CONF_PS ?
383 if (changed & IEEE80211_CONF_CHANGE_POWER) {
384 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
386 wiphy_err(wiphy, "%s: Error setting power_level\n",
390 new_int = brcms_c_get_tx_power(wl->wlc);
391 if (new_int != conf->power_level)
392 wiphy_err(wiphy, "%s: Power level req != actual, %d %d"
393 "\n", __func__, conf->power_level,
396 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
397 if (conf->channel_type == NL80211_CHAN_HT20 ||
398 conf->channel_type == NL80211_CHAN_NO_HT)
399 err = brcms_c_set_channel(wl->wlc,
400 conf->channel->hw_value);
404 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
405 err = brcms_c_set_rate_limit(wl->wlc,
406 conf->short_frame_max_tx_count,
407 conf->long_frame_max_tx_count);
410 spin_unlock_bh(&wl->lock);
415 brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
416 struct ieee80211_vif *vif,
417 struct ieee80211_bss_conf *info, u32 changed)
419 struct brcms_info *wl = hw->priv;
420 struct wiphy *wiphy = hw->wiphy;
422 if (changed & BSS_CHANGED_ASSOC) {
423 /* association status changed (associated/disassociated)
424 * also implies a change in the AID.
426 wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME,
427 __func__, info->assoc ? "" : "dis");
428 spin_lock_bh(&wl->lock);
429 brcms_c_associate_upd(wl->wlc, info->assoc);
430 spin_unlock_bh(&wl->lock);
432 if (changed & BSS_CHANGED_ERP_SLOT) {
435 /* slot timing changed */
436 if (info->use_short_slot)
440 spin_lock_bh(&wl->lock);
441 brcms_c_set_shortslot_override(wl->wlc, val);
442 spin_unlock_bh(&wl->lock);
445 if (changed & BSS_CHANGED_HT) {
446 /* 802.11n parameters changed */
447 u16 mode = info->ht_operation_mode;
449 spin_lock_bh(&wl->lock);
450 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
451 mode & IEEE80211_HT_OP_MODE_PROTECTION);
452 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
453 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
454 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
455 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
456 spin_unlock_bh(&wl->lock);
458 if (changed & BSS_CHANGED_BASIC_RATES) {
459 struct ieee80211_supported_band *bi;
462 struct brcm_rateset rs;
465 /* retrieve the current rates */
466 spin_lock_bh(&wl->lock);
467 brcms_c_get_current_rateset(wl->wlc, &rs);
468 spin_unlock_bh(&wl->lock);
470 br_mask = info->basic_rates;
471 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
472 for (i = 0; i < bi->n_bitrates; i++) {
473 /* convert to internal rate value */
474 rate = (bi->bitrates[i].bitrate << 1) / 10;
476 /* set/clear basic rate flag */
477 brcms_set_basic_rate(&rs, rate, br_mask & 1);
481 /* update the rate set */
482 spin_lock_bh(&wl->lock);
483 error = brcms_c_set_rateset(wl->wlc, &rs);
484 spin_unlock_bh(&wl->lock);
486 wiphy_err(wiphy, "changing basic rates failed: %d\n",
489 if (changed & BSS_CHANGED_BEACON_INT) {
490 /* Beacon interval changed */
491 spin_lock_bh(&wl->lock);
492 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
493 spin_unlock_bh(&wl->lock);
495 if (changed & BSS_CHANGED_BSSID) {
496 /* BSSID changed, for whatever reason (IBSS and managed mode) */
497 spin_lock_bh(&wl->lock);
498 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
499 spin_unlock_bh(&wl->lock);
501 if (changed & BSS_CHANGED_BEACON)
502 /* Beacon data changed, retrieve new beacon (beaconing modes) */
503 wiphy_err(wiphy, "%s: beacon changed\n", __func__);
505 if (changed & BSS_CHANGED_BEACON_ENABLED) {
506 /* Beaconing should be enabled/disabled (beaconing modes) */
507 wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__,
508 info->enable_beacon ? "true" : "false");
511 if (changed & BSS_CHANGED_CQM) {
512 /* Connection quality monitor config changed */
513 wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d "
514 " (implement)\n", __func__, info->cqm_rssi_thold,
515 info->cqm_rssi_hyst);
518 if (changed & BSS_CHANGED_IBSS) {
519 /* IBSS join status changed */
520 wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__,
521 info->ibss_joined ? "true" : "false");
524 if (changed & BSS_CHANGED_ARP_FILTER) {
525 /* Hardware ARP filter address list or state changed */
526 wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d"
527 " (implement)\n", __func__, info->arp_filter_enabled ?
528 "true" : "false", info->arp_addr_cnt);
531 if (changed & BSS_CHANGED_QOS) {
533 * QoS for this association was enabled/disabled.
534 * Note that it is only ever disabled for station mode.
536 wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__,
537 info->qos ? "true" : "false");
543 brcms_ops_configure_filter(struct ieee80211_hw *hw,
544 unsigned int changed_flags,
545 unsigned int *total_flags, u64 multicast)
547 struct brcms_info *wl = hw->priv;
548 struct wiphy *wiphy = hw->wiphy;
550 changed_flags &= MAC_FILTERS;
551 *total_flags &= MAC_FILTERS;
552 if (changed_flags & FIF_PROMISC_IN_BSS)
553 wiphy_err(wiphy, "FIF_PROMISC_IN_BSS\n");
554 if (changed_flags & FIF_ALLMULTI)
555 wiphy_err(wiphy, "FIF_ALLMULTI\n");
556 if (changed_flags & FIF_FCSFAIL)
557 wiphy_err(wiphy, "FIF_FCSFAIL\n");
558 if (changed_flags & FIF_PLCPFAIL)
559 wiphy_err(wiphy, "FIF_PLCPFAIL\n");
560 if (changed_flags & FIF_CONTROL)
561 wiphy_err(wiphy, "FIF_CONTROL\n");
562 if (changed_flags & FIF_OTHER_BSS)
563 wiphy_err(wiphy, "FIF_OTHER_BSS\n");
564 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
565 spin_lock_bh(&wl->lock);
566 if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
567 wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
568 brcms_c_mac_bcn_promisc_change(wl->wlc, 1);
570 brcms_c_mac_bcn_promisc_change(wl->wlc, 0);
571 wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
573 spin_unlock_bh(&wl->lock);
578 static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
580 struct brcms_info *wl = hw->priv;
581 spin_lock_bh(&wl->lock);
582 brcms_c_scan_start(wl->wlc);
583 spin_unlock_bh(&wl->lock);
587 static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
589 struct brcms_info *wl = hw->priv;
590 spin_lock_bh(&wl->lock);
591 brcms_c_scan_stop(wl->wlc);
592 spin_unlock_bh(&wl->lock);
597 brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
598 const struct ieee80211_tx_queue_params *params)
600 struct brcms_info *wl = hw->priv;
602 spin_lock_bh(&wl->lock);
603 brcms_c_wme_setparams(wl->wlc, queue, params, true);
604 spin_unlock_bh(&wl->lock);
610 brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
611 struct ieee80211_sta *sta)
613 struct brcms_info *wl = hw->priv;
614 struct scb *scb = &wl->wlc->pri_scb;
616 brcms_c_init_scb(scb);
618 wl->pub->global_ampdu = &(scb->scb_ampdu);
619 wl->pub->global_ampdu->scb = scb;
620 wl->pub->global_ampdu->max_pdu = 16;
623 * minstrel_ht initiates addBA on our behalf by calling
624 * ieee80211_start_tx_ba_session()
630 brcms_ops_ampdu_action(struct ieee80211_hw *hw,
631 struct ieee80211_vif *vif,
632 enum ieee80211_ampdu_mlme_action action,
633 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
636 struct brcms_info *wl = hw->priv;
637 struct scb *scb = &wl->wlc->pri_scb;
640 if (WARN_ON(scb->magic != SCB_MAGIC))
643 case IEEE80211_AMPDU_RX_START:
645 case IEEE80211_AMPDU_RX_STOP:
647 case IEEE80211_AMPDU_TX_START:
648 spin_lock_bh(&wl->lock);
649 status = brcms_c_aggregatable(wl->wlc, tid);
650 spin_unlock_bh(&wl->lock);
652 wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
656 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
659 case IEEE80211_AMPDU_TX_STOP:
660 spin_lock_bh(&wl->lock);
661 brcms_c_ampdu_flush(wl->wlc, sta, tid);
662 spin_unlock_bh(&wl->lock);
663 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
665 case IEEE80211_AMPDU_TX_OPERATIONAL:
667 * BA window size from ADDBA response ('buf_size') defines how
668 * many outstanding MPDUs are allowed for the BA stream by
669 * recipient and traffic class. 'ampdu_factor' gives maximum
672 spin_lock_bh(&wl->lock);
673 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
674 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
675 sta->ht_cap.ampdu_factor)) - 1);
676 spin_unlock_bh(&wl->lock);
677 /* Power save wakeup */
680 wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n",
687 static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
689 struct brcms_info *wl = hw->priv;
692 spin_lock_bh(&wl->lock);
693 blocked = brcms_c_check_radio_disabled(wl->wlc);
694 spin_unlock_bh(&wl->lock);
696 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
699 static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
701 struct brcms_info *wl = hw->priv;
703 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
705 /* wait for packet queue and dma fifos to run empty */
706 spin_lock_bh(&wl->lock);
707 brcms_c_wait_for_tx_completion(wl->wlc, drop);
708 spin_unlock_bh(&wl->lock);
711 static const struct ieee80211_ops brcms_ops = {
713 .start = brcms_ops_start,
714 .stop = brcms_ops_stop,
715 .add_interface = brcms_ops_add_interface,
716 .remove_interface = brcms_ops_remove_interface,
717 .config = brcms_ops_config,
718 .bss_info_changed = brcms_ops_bss_info_changed,
719 .configure_filter = brcms_ops_configure_filter,
720 .sw_scan_start = brcms_ops_sw_scan_start,
721 .sw_scan_complete = brcms_ops_sw_scan_complete,
722 .conf_tx = brcms_ops_conf_tx,
723 .sta_add = brcms_ops_sta_add,
724 .ampdu_action = brcms_ops_ampdu_action,
725 .rfkill_poll = brcms_ops_rfkill_poll,
726 .flush = brcms_ops_flush,
730 * is called in brcms_pci_probe() context, therefore no locking required.
732 static int brcms_set_hint(struct brcms_info *wl, char *abbrev)
734 return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
737 void brcms_dpc(unsigned long data)
739 struct brcms_info *wl;
741 wl = (struct brcms_info *) data;
743 spin_lock_bh(&wl->lock);
745 /* call the common second level interrupt handler */
750 spin_lock_irqsave(&wl->isr_lock, flags);
751 brcms_c_intrsupd(wl->wlc);
752 spin_unlock_irqrestore(&wl->isr_lock, flags);
755 wl->resched = brcms_c_dpc(wl->wlc, true);
758 /* brcms_c_dpc() may bring the driver down */
762 /* re-schedule dpc */
764 tasklet_schedule(&wl->tasklet);
766 /* re-enable interrupts */
770 spin_unlock_bh(&wl->lock);
774 * Precondition: Since this function is called in brcms_pci_probe() context,
775 * no locking is required.
777 static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
780 struct device *device = &pdev->dev;
784 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
785 for (i = 0; i < MAX_FW_IMAGES; i++) {
786 if (brcms_firmwares[i] == NULL)
788 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
789 UCODE_LOADER_API_VER);
790 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
792 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
793 KBUILD_MODNAME, fw_name);
796 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
797 UCODE_LOADER_API_VER);
798 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
800 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
801 KBUILD_MODNAME, fw_name);
804 wl->fw.hdr_num_entries[i] =
805 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
808 return brcms_ucode_data_init(wl, &wl->ucode);
812 * Precondition: Since this function is called in brcms_pci_probe() context,
813 * no locking is required.
815 static void brcms_release_fw(struct brcms_info *wl)
818 for (i = 0; i < MAX_FW_IMAGES; i++) {
819 release_firmware(wl->fw.fw_bin[i]);
820 release_firmware(wl->fw.fw_hdr[i]);
825 * This function frees the WL per-device resources.
827 * This function frees resources owned by the WL device pointed to
828 * by the wl parameter.
830 * precondition: can both be called locked and unlocked
833 static void brcms_free(struct brcms_info *wl)
835 struct brcms_timer *t, *next;
837 /* free ucode data */
839 brcms_ucode_data_free(&wl->ucode);
841 free_irq(wl->irq, wl);
844 tasklet_kill(&wl->tasklet);
847 brcms_c_module_unregister(wl->pub, "linux", wl);
849 /* free common resources */
851 brcms_c_detach(wl->wlc);
856 /* virtual interface deletion is deferred so we cannot spinwait */
858 /* wait for all pending callbacks to complete */
859 while (atomic_read(&wl->callbacks) > 0)
863 for (t = wl->timers; t; t = next) {
872 * unregister_netdev() calls get_stats() which may read chip
873 * registers so we cannot unmap the chip registers until
874 * after calling unregister_netdev() .
883 * called from both kernel as from this kernel module (error flow on attach)
884 * precondition: perimeter lock is not acquired.
886 static void brcms_remove(struct pci_dev *pdev)
888 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
889 struct brcms_info *wl = hw->priv;
892 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
893 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
894 ieee80211_unregister_hw(hw);
896 pci_disable_device(pdev);
900 pci_set_drvdata(pdev, NULL);
901 ieee80211_free_hw(hw);
904 static irqreturn_t brcms_isr(int irq, void *dev_id)
906 struct brcms_info *wl;
909 wl = (struct brcms_info *) dev_id;
911 spin_lock(&wl->isr_lock);
913 /* call common first level interrupt handler */
914 ours = brcms_c_isr(wl->wlc, &wantdpc);
916 /* if more to do... */
919 /* ...and call the second level interrupt handler */
921 tasklet_schedule(&wl->tasklet);
925 spin_unlock(&wl->isr_lock);
927 return IRQ_RETVAL(ours);
931 * is called in brcms_pci_probe() context, therefore no locking required.
933 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
935 struct brcms_info *wl = hw->priv;
936 struct brcms_c_info *wlc = wl->wlc;
937 struct ieee80211_supported_band *band;
941 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
942 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
944 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
945 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
946 band = &wlc->bandstate[BAND_2G_INDEX]->band;
947 *band = brcms_band_2GHz_nphy_template;
948 if (phy_type == PHY_TYPE_LCN) {
950 band->ht_cap.mcs.rx_mask[1] = 0;
951 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
953 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
958 /* Assume all bands use the same phy. True for 11n devices. */
959 if (wl->pub->_nbands > 1) {
961 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
962 band = &wlc->bandstate[BAND_5G_INDEX]->band;
963 *band = brcms_band_5GHz_nphy_template;
964 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
973 * is called in brcms_pci_probe() context, therefore no locking required.
975 static int ieee_hw_init(struct ieee80211_hw *hw)
977 hw->flags = IEEE80211_HW_SIGNAL_DBM
978 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
979 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
980 | IEEE80211_HW_AMPDU_AGGREGATION;
982 hw->extra_tx_headroom = brcms_c_get_header_len();
983 hw->queues = N_TX_QUEUES;
984 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
986 /* channel change time is dependent on chip and band */
987 hw->channel_change_time = 7 * 1000;
988 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
990 hw->rate_control_algorithm = "minstrel_ht";
992 hw->sta_data_size = 0;
993 return ieee_hw_rate_init(hw);
997 * attach to the WL device.
999 * Attach to the WL device identified by vendor and device parameters.
1000 * regs is a host accessible memory address pointing to WL device registers.
1002 * brcms_attach is not defined as static because in the case where no bus
1003 * is defined, wl_attach will never be called, and thus, gcc will issue
1004 * a warning that this function is defined but not used if we declare
1008 * is called in brcms_pci_probe() context, therefore no locking required.
1010 static struct brcms_info *brcms_attach(u16 vendor, u16 device,
1011 resource_size_t regs,
1012 struct pci_dev *btparam, uint irq)
1014 struct brcms_info *wl = NULL;
1016 struct ieee80211_hw *hw;
1019 unit = n_adapters_found;
1025 /* allocate private info */
1026 hw = pci_get_drvdata(btparam); /* btparam == pdev */
1029 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1031 wl->wiphy = hw->wiphy;
1033 atomic_set(&wl->callbacks, 0);
1035 /* setup the bottom half handler */
1036 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1038 wl->regsva = ioremap_nocache(regs, PCI_BAR0_WINSZ);
1039 if (wl->regsva == NULL) {
1040 wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
1043 spin_lock_init(&wl->lock);
1044 spin_lock_init(&wl->isr_lock);
1047 if (brcms_request_fw(wl, btparam) < 0) {
1048 wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
1049 "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
1050 brcms_release_fw(wl);
1051 brcms_remove(btparam);
1055 /* common load-time initialization */
1056 wl->wlc = brcms_c_attach(wl, vendor, device, unit, false,
1057 wl->regsva, btparam, &err);
1058 brcms_release_fw(wl);
1060 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1061 KBUILD_MODNAME, err);
1064 wl->pub = brcms_c_pub(wl->wlc);
1066 wl->pub->ieee_hw = hw;
1068 /* register our interrupt handler */
1069 if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
1070 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1075 /* register module */
1076 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1078 if (ieee_hw_init(hw)) {
1079 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1084 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1085 if (WARN_ON(!is_valid_ether_addr(perm)))
1087 SET_IEEE80211_PERM_ADDR(hw, perm);
1089 err = ieee80211_register_hw(hw);
1091 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1092 "%d\n", __func__, err);
1094 if (wl->pub->srom_ccode[0])
1095 err = brcms_set_hint(wl, wl->pub->srom_ccode);
1097 err = brcms_set_hint(wl, "US");
1099 wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
1113 * determines if a device is a WL device, and if so, attaches it.
1115 * This function determines if a device pointed to by pdev is a WL device,
1116 * and if so, performs a brcms_attach() on it.
1118 * Perimeter lock is initialized in the course of this function.
1120 static int __devinit
1121 brcms_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1124 struct brcms_info *wl;
1125 struct ieee80211_hw *hw;
1128 dev_info(&pdev->dev, "bus %d slot %d func %d irq %d\n",
1129 pdev->bus->number, PCI_SLOT(pdev->devfn),
1130 PCI_FUNC(pdev->devfn), pdev->irq);
1132 if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
1133 ((pdev->device != 0x0576) &&
1134 ((pdev->device & 0xff00) != 0x4300) &&
1135 ((pdev->device & 0xff00) != 0x4700) &&
1136 ((pdev->device < 43000) || (pdev->device > 43999))))
1139 rc = pci_enable_device(pdev);
1141 pr_err("%s: Cannot enable device %d-%d_%d\n",
1142 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
1143 PCI_FUNC(pdev->devfn));
1146 pci_set_master(pdev);
1148 pci_read_config_dword(pdev, 0x40, &val);
1149 if ((val & 0x0000ff00) != 0)
1150 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1152 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1154 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1158 SET_IEEE80211_DEV(hw, &pdev->dev);
1160 pci_set_drvdata(pdev, hw);
1162 memset(hw->priv, 0, sizeof(*wl));
1164 wl = brcms_attach(pdev->vendor, pdev->device,
1165 pci_resource_start(pdev, 0), pdev,
1169 pr_err("%s: %s: brcms_attach failed!\n", KBUILD_MODNAME,
1176 static int brcms_suspend(struct pci_dev *pdev, pm_message_t state)
1178 struct brcms_info *wl;
1179 struct ieee80211_hw *hw;
1181 hw = pci_get_drvdata(pdev);
1184 wiphy_err(wl->wiphy,
1185 "brcms_suspend: pci_get_drvdata failed\n");
1189 /* only need to flag hw is down for proper resume */
1190 spin_lock_bh(&wl->lock);
1191 wl->pub->hw_up = false;
1192 spin_unlock_bh(&wl->lock);
1194 pci_save_state(pdev);
1195 pci_disable_device(pdev);
1196 return pci_set_power_state(pdev, PCI_D3hot);
1199 static int brcms_resume(struct pci_dev *pdev)
1201 struct brcms_info *wl;
1202 struct ieee80211_hw *hw;
1206 hw = pci_get_drvdata(pdev);
1209 wiphy_err(wl->wiphy,
1210 "wl: brcms_resume: pci_get_drvdata failed\n");
1214 err = pci_set_power_state(pdev, PCI_D0);
1218 pci_restore_state(pdev);
1220 err = pci_enable_device(pdev);
1224 pci_set_master(pdev);
1226 pci_read_config_dword(pdev, 0x40, &val);
1227 if ((val & 0x0000ff00) != 0)
1228 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1231 * done. driver will be put in up state
1232 * in brcms_ops_add_interface() call.
1237 static struct pci_driver brcms_pci_driver = {
1238 .name = KBUILD_MODNAME,
1239 .probe = brcms_pci_probe,
1240 .suspend = brcms_suspend,
1241 .resume = brcms_resume,
1242 .remove = __devexit_p(brcms_remove),
1243 .id_table = brcms_pci_id_table,
1247 * This is the main entry point for the WL driver.
1249 * This function determines if a device pointed to by pdev is a WL device,
1250 * and if so, performs a brcms_attach() on it.
1253 static int __init brcms_module_init(void)
1255 int error = -ENODEV;
1258 if (msglevel != 0xdeadbeef)
1259 brcm_msg_level = msglevel;
1262 error = pci_register_driver(&brcms_pci_driver);
1272 * This function unloads the WL driver from the system.
1274 * This function unconditionally unloads the WL driver module from the
1278 static void __exit brcms_module_exit(void)
1280 pci_unregister_driver(&brcms_pci_driver);
1284 module_init(brcms_module_init);
1285 module_exit(brcms_module_exit);
1288 * precondition: perimeter lock has been acquired
1290 void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1291 bool state, int prio)
1293 wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__);
1297 * precondition: perimeter lock has been acquired
1299 void brcms_init(struct brcms_info *wl)
1301 BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
1303 brcms_c_init(wl->wlc, wl->mute_tx);
1307 * precondition: perimeter lock has been acquired
1309 uint brcms_reset(struct brcms_info *wl)
1311 BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
1312 brcms_c_reset(wl->wlc);
1314 /* dpc will not be rescheduled */
1320 void brcms_fatal_error(struct brcms_info *wl)
1322 wiphy_err(wl->wlc->wiphy, "wl%d: fatal error, reinitializing\n",
1323 wl->wlc->pub->unit);
1325 ieee80211_restart_hw(wl->pub->ieee_hw);
1329 * These are interrupt on/off entry points. Disable interrupts
1330 * during interrupt state transition.
1332 void brcms_intrson(struct brcms_info *wl)
1334 unsigned long flags;
1336 spin_lock_irqsave(&wl->isr_lock, flags);
1337 brcms_c_intrson(wl->wlc);
1338 spin_unlock_irqrestore(&wl->isr_lock, flags);
1341 u32 brcms_intrsoff(struct brcms_info *wl)
1343 unsigned long flags;
1346 spin_lock_irqsave(&wl->isr_lock, flags);
1347 status = brcms_c_intrsoff(wl->wlc);
1348 spin_unlock_irqrestore(&wl->isr_lock, flags);
1352 void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1354 unsigned long flags;
1356 spin_lock_irqsave(&wl->isr_lock, flags);
1357 brcms_c_intrsrestore(wl->wlc, macintmask);
1358 spin_unlock_irqrestore(&wl->isr_lock, flags);
1362 * precondition: perimeter lock has been acquired
1364 int brcms_up(struct brcms_info *wl)
1371 error = brcms_c_up(wl->wlc);
1377 * precondition: perimeter lock has been acquired
1379 void brcms_down(struct brcms_info *wl)
1381 uint callbacks, ret_val = 0;
1383 /* call common down function */
1384 ret_val = brcms_c_down(wl->wlc);
1385 callbacks = atomic_read(&wl->callbacks) - ret_val;
1387 /* wait for down callbacks to complete */
1388 spin_unlock_bh(&wl->lock);
1390 /* For HIGH_only driver, it's important to actually schedule other work,
1391 * not just spin wait since everything runs at schedule level
1393 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1395 spin_lock_bh(&wl->lock);
1399 * precondition: perimeter lock is not acquired
1401 static void _brcms_timer(struct work_struct *work)
1403 struct brcms_timer *t = container_of(work, struct brcms_timer,
1406 spin_lock_bh(&t->wl->lock);
1410 atomic_inc(&t->wl->callbacks);
1411 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1413 msecs_to_jiffies(t->ms));
1421 atomic_dec(&t->wl->callbacks);
1423 spin_unlock_bh(&t->wl->lock);
1427 * Adds a timer to the list. Caller supplies a timer function.
1428 * Is called from wlc.
1430 * precondition: perimeter lock has been acquired
1432 struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1433 void (*fn) (void *arg),
1434 void *arg, const char *name)
1436 struct brcms_timer *t;
1438 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1442 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1446 t->next = wl->timers;
1450 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1452 strcpy(t->name, name);
1459 * adds only the kernel timer since it's going to be more accurate
1460 * as well as it's easier to make it periodic
1462 * precondition: perimeter lock has been acquired
1464 void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1466 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1470 wiphy_err(hw->wiphy, "%s: Already set. Name: %s, per %d\n",
1471 __func__, t->name, periodic);
1474 t->periodic = (bool) periodic;
1477 atomic_inc(&t->wl->callbacks);
1479 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1483 * return true if timer successfully deleted, false if still pending
1485 * precondition: perimeter lock has been acquired
1487 bool brcms_del_timer(struct brcms_timer *t)
1491 if (!cancel_delayed_work(&t->dly_wrk))
1494 atomic_dec(&t->wl->callbacks);
1501 * precondition: perimeter lock has been acquired
1503 void brcms_free_timer(struct brcms_timer *t)
1505 struct brcms_info *wl = t->wl;
1506 struct brcms_timer *tmp;
1508 /* delete the timer in case it is active */
1511 if (wl->timers == t) {
1512 wl->timers = wl->timers->next;
1523 if (tmp->next == t) {
1524 tmp->next = t->next;
1537 * precondition: perimeter lock has been acquired
1539 int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1543 struct firmware_hdr *hdr;
1544 for (i = 0; i < wl->fw.fw_cnt; i++) {
1545 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1546 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1548 u32 len = le32_to_cpu(hdr->len);
1549 if (le32_to_cpu(hdr->idx) == idx) {
1550 pdata = wl->fw.fw_bin[i]->data +
1551 le32_to_cpu(hdr->offset);
1552 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
1560 wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n",
1568 * Precondition: Since this function is called in brcms_pci_probe() context,
1569 * no locking is required.
1571 int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1575 struct firmware_hdr *hdr;
1576 for (i = 0; i < wl->fw.fw_cnt; i++) {
1577 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1578 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1580 if (le32_to_cpu(hdr->idx) == idx) {
1581 pdata = wl->fw.fw_bin[i]->data +
1582 le32_to_cpu(hdr->offset);
1583 if (le32_to_cpu(hdr->len) != 4) {
1584 wiphy_err(wl->wiphy,
1585 "ERROR: fw hdr len\n");
1588 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1593 wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx);
1598 * precondition: can both be called locked and unlocked
1600 void brcms_ucode_free_buf(void *p)
1606 * checks validity of all firmware images loaded from user space
1608 * Precondition: Since this function is called in brcms_pci_probe() context,
1609 * no locking is required.
1611 int brcms_check_firmwares(struct brcms_info *wl)
1616 const struct firmware *fw;
1617 const struct firmware *fw_hdr;
1618 struct firmware_hdr *ucode_hdr;
1619 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1620 fw = wl->fw.fw_bin[i];
1621 fw_hdr = wl->fw.fw_hdr[i];
1622 if (fw == NULL && fw_hdr == NULL) {
1624 } else if (fw == NULL || fw_hdr == NULL) {
1625 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1628 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1629 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1630 "size %zu/%zu\n", __func__, fw_hdr->size,
1631 sizeof(struct firmware_hdr));
1633 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1634 wiphy_err(wl->wiphy, "%s: out of bounds fw file size "
1635 "%zu\n", __func__, fw->size);
1638 /* check if ucode section overruns firmware image */
1639 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1640 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1641 !rc; entry++, ucode_hdr++) {
1642 if (le32_to_cpu(ucode_hdr->offset) +
1643 le32_to_cpu(ucode_hdr->len) >
1645 wiphy_err(wl->wiphy,
1646 "%s: conflicting bin/hdr\n",
1653 if (rc == 0 && wl->fw.fw_cnt != i) {
1654 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1662 * precondition: perimeter lock has been acquired
1664 bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1666 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1668 spin_unlock_bh(&wl->lock);
1669 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1671 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1672 spin_lock_bh(&wl->lock);
1677 * precondition: perimeter lock has been acquired
1679 void brcms_msleep(struct brcms_info *wl, uint ms)
1681 spin_unlock_bh(&wl->lock);
1683 spin_lock_bh(&wl->lock);