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__
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/etherdevice.h>
21 #include <linux/sched.h>
22 #include <linux/firmware.h>
23 #include <linux/interrupt.h>
24 #include <linux/module.h>
25 #include <linux/bcma/bcma.h>
26 #include <net/mac80211.h>
28 #include "phy/phy_int.h"
33 #include "ucode_loader.h"
34 #include "mac80211_if.h"
38 #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
39 #define BRCMS_FLUSH_TIMEOUT 500 /* msec */
41 /* Flags we support */
42 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
47 FIF_BCN_PRBRESP_PROMISC | \
50 #define CHAN2GHZ(channel, freqency, chflags) { \
51 .band = IEEE80211_BAND_2GHZ, \
52 .center_freq = (freqency), \
53 .hw_value = (channel), \
55 .max_antenna_gain = 0, \
59 #define CHAN5GHZ(channel, chflags) { \
60 .band = IEEE80211_BAND_5GHZ, \
61 .center_freq = 5000 + 5*(channel), \
62 .hw_value = (channel), \
64 .max_antenna_gain = 0, \
68 #define RATE(rate100m, _flags) { \
69 .bitrate = (rate100m), \
71 .hw_value = (rate100m / 5), \
80 static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
85 static int n_adapters_found;
87 MODULE_AUTHOR("Broadcom Corporation");
88 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
89 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
90 MODULE_LICENSE("Dual BSD/GPL");
91 /* This needs to be adjusted when brcms_firmwares changes */
92 MODULE_FIRMWARE("brcm/bcm43xx-0.fw");
93 MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw");
95 /* recognized BCMA Core IDs */
96 static struct bcma_device_id brcms_coreid_table[] = {
97 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS),
98 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS),
99 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS),
102 MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
104 #if defined(CONFIG_BRCMDBG)
106 * Module parameter for setting the debug message level. Available
107 * flags are specified by the BRCM_DL_* macros in
108 * drivers/net/wireless/brcm80211/include/defs.h.
110 module_param_named(debug, brcm_msg_level, uint, S_IRUGO | S_IWUSR);
113 static struct ieee80211_channel brcms_2ghz_chantable[] = {
114 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
115 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
116 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
117 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
118 CHAN2GHZ(5, 2432, 0),
119 CHAN2GHZ(6, 2437, 0),
120 CHAN2GHZ(7, 2442, 0),
121 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
122 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
123 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
124 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
126 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
127 IEEE80211_CHAN_NO_HT40PLUS),
129 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
130 IEEE80211_CHAN_NO_HT40PLUS),
132 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
133 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS |
134 IEEE80211_CHAN_NO_OFDM)
137 static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
139 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
140 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
141 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
142 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
145 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
146 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
148 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
149 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
151 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
152 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
154 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
155 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
158 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
159 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
161 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
162 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
164 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
165 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
167 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
168 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
170 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
171 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
173 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
174 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
176 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
177 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
179 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
180 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
182 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
183 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
185 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
186 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
188 IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
189 IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
190 IEEE80211_CHAN_NO_HT40MINUS),
192 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
193 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
194 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
195 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
196 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
200 * The rate table is used for both 2.4G and 5G rates. The
201 * latter being a subset as it does not support CCK rates.
203 static struct ieee80211_rate legacy_ratetable[] = {
205 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
206 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
207 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
218 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
219 .band = IEEE80211_BAND_2GHZ,
220 .channels = brcms_2ghz_chantable,
221 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
222 .bitrates = legacy_ratetable,
223 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
225 /* from include/linux/ieee80211.h */
226 .cap = IEEE80211_HT_CAP_GRN_FLD |
227 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
228 .ht_supported = true,
229 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
230 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
232 /* placeholders for now */
233 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
234 .rx_highest = cpu_to_le16(500),
235 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
239 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
240 .band = IEEE80211_BAND_5GHZ,
241 .channels = brcms_5ghz_nphy_chantable,
242 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
243 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
244 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
245 BRCMS_LEGACY_5G_RATE_OFFSET,
247 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
248 IEEE80211_HT_CAP_SGI_40,
249 .ht_supported = true,
250 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
251 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
253 /* placeholders for now */
254 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
255 .rx_highest = cpu_to_le16(500),
256 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
260 /* flags the given rate in rateset as requested */
261 static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
265 for (i = 0; i < rs->count; i++) {
266 if (rate != (rs->rates[i] & 0x7f))
270 rs->rates[i] |= BRCMS_RATE_FLAG;
272 rs->rates[i] &= BRCMS_RATE_MASK;
277 static void brcms_ops_tx(struct ieee80211_hw *hw,
278 struct ieee80211_tx_control *control,
281 struct brcms_info *wl = hw->priv;
282 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
284 spin_lock_bh(&wl->lock);
286 brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n");
290 if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw))
291 tx_info->rate_driver_data[0] = control->sta;
293 spin_unlock_bh(&wl->lock);
296 static int brcms_ops_start(struct ieee80211_hw *hw)
298 struct brcms_info *wl = hw->priv;
302 ieee80211_wake_queues(hw);
303 spin_lock_bh(&wl->lock);
304 blocked = brcms_rfkill_set_hw_state(wl);
305 spin_unlock_bh(&wl->lock);
307 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
309 spin_lock_bh(&wl->lock);
310 /* avoid acknowledging frames before a non-monitor device is added */
320 spin_unlock_bh(&wl->lock);
323 brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
328 static void brcms_ops_stop(struct ieee80211_hw *hw)
330 struct brcms_info *wl = hw->priv;
333 ieee80211_stop_queues(hw);
338 spin_lock_bh(&wl->lock);
339 status = brcms_c_chipmatch(wl->wlc->hw->d11core);
340 spin_unlock_bh(&wl->lock);
342 brcms_err(wl->wlc->hw->d11core,
343 "wl: brcms_ops_stop: chipmatch failed\n");
347 /* put driver in down state */
348 spin_lock_bh(&wl->lock);
350 spin_unlock_bh(&wl->lock);
354 brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
356 struct brcms_info *wl = hw->priv;
358 /* Just STA for now */
359 if (vif->type != NL80211_IFTYPE_STATION) {
360 brcms_err(wl->wlc->hw->d11core,
361 "%s: Attempt to add type %d, only STA for now\n",
362 __func__, vif->type);
366 spin_lock_bh(&wl->lock);
367 memcpy(wl->pub->cur_etheraddr, vif->addr, sizeof(vif->addr));
369 brcms_c_mute(wl->wlc, false);
370 spin_unlock_bh(&wl->lock);
376 brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
380 static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
382 struct ieee80211_conf *conf = &hw->conf;
383 struct brcms_info *wl = hw->priv;
384 struct bcma_device *core = wl->wlc->hw->d11core;
388 spin_lock_bh(&wl->lock);
389 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
390 brcms_c_set_beacon_listen_interval(wl->wlc,
391 conf->listen_interval);
393 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
394 brcms_dbg_info(core, "%s: change monitor mode: %s\n",
395 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
397 if (changed & IEEE80211_CONF_CHANGE_PS)
398 brcms_err(core, "%s: change power-save mode: %s (implement)\n",
399 __func__, conf->flags & IEEE80211_CONF_PS ?
402 if (changed & IEEE80211_CONF_CHANGE_POWER) {
403 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
405 brcms_err(core, "%s: Error setting power_level\n",
409 new_int = brcms_c_get_tx_power(wl->wlc);
410 if (new_int != conf->power_level)
412 "%s: Power level req != actual, %d %d\n",
413 __func__, conf->power_level,
416 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
417 if (conf->channel_type == NL80211_CHAN_HT20 ||
418 conf->channel_type == NL80211_CHAN_NO_HT)
419 err = brcms_c_set_channel(wl->wlc,
420 conf->channel->hw_value);
424 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
425 err = brcms_c_set_rate_limit(wl->wlc,
426 conf->short_frame_max_tx_count,
427 conf->long_frame_max_tx_count);
430 spin_unlock_bh(&wl->lock);
435 brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
436 struct ieee80211_vif *vif,
437 struct ieee80211_bss_conf *info, u32 changed)
439 struct brcms_info *wl = hw->priv;
440 struct bcma_device *core = wl->wlc->hw->d11core;
442 if (changed & BSS_CHANGED_ASSOC) {
443 /* association status changed (associated/disassociated)
444 * also implies a change in the AID.
446 brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME,
447 __func__, info->assoc ? "" : "dis");
448 spin_lock_bh(&wl->lock);
449 brcms_c_associate_upd(wl->wlc, info->assoc);
450 spin_unlock_bh(&wl->lock);
452 if (changed & BSS_CHANGED_ERP_SLOT) {
455 /* slot timing changed */
456 if (info->use_short_slot)
460 spin_lock_bh(&wl->lock);
461 brcms_c_set_shortslot_override(wl->wlc, val);
462 spin_unlock_bh(&wl->lock);
465 if (changed & BSS_CHANGED_HT) {
466 /* 802.11n parameters changed */
467 u16 mode = info->ht_operation_mode;
469 spin_lock_bh(&wl->lock);
470 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
471 mode & IEEE80211_HT_OP_MODE_PROTECTION);
472 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
473 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
474 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
475 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
476 spin_unlock_bh(&wl->lock);
478 if (changed & BSS_CHANGED_BASIC_RATES) {
479 struct ieee80211_supported_band *bi;
482 struct brcm_rateset rs;
485 /* retrieve the current rates */
486 spin_lock_bh(&wl->lock);
487 brcms_c_get_current_rateset(wl->wlc, &rs);
488 spin_unlock_bh(&wl->lock);
490 br_mask = info->basic_rates;
491 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
492 for (i = 0; i < bi->n_bitrates; i++) {
493 /* convert to internal rate value */
494 rate = (bi->bitrates[i].bitrate << 1) / 10;
496 /* set/clear basic rate flag */
497 brcms_set_basic_rate(&rs, rate, br_mask & 1);
501 /* update the rate set */
502 spin_lock_bh(&wl->lock);
503 error = brcms_c_set_rateset(wl->wlc, &rs);
504 spin_unlock_bh(&wl->lock);
506 brcms_err(core, "changing basic rates failed: %d\n",
509 if (changed & BSS_CHANGED_BEACON_INT) {
510 /* Beacon interval changed */
511 spin_lock_bh(&wl->lock);
512 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
513 spin_unlock_bh(&wl->lock);
515 if (changed & BSS_CHANGED_BSSID) {
516 /* BSSID changed, for whatever reason (IBSS and managed mode) */
517 spin_lock_bh(&wl->lock);
518 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
519 spin_unlock_bh(&wl->lock);
521 if (changed & BSS_CHANGED_BEACON)
522 /* Beacon data changed, retrieve new beacon (beaconing modes) */
523 brcms_err(core, "%s: beacon changed\n", __func__);
525 if (changed & BSS_CHANGED_BEACON_ENABLED) {
526 /* Beaconing should be enabled/disabled (beaconing modes) */
527 brcms_err(core, "%s: Beacon enabled: %s\n", __func__,
528 info->enable_beacon ? "true" : "false");
531 if (changed & BSS_CHANGED_CQM) {
532 /* Connection quality monitor config changed */
533 brcms_err(core, "%s: cqm change: threshold %d, hys %d "
534 " (implement)\n", __func__, info->cqm_rssi_thold,
535 info->cqm_rssi_hyst);
538 if (changed & BSS_CHANGED_IBSS) {
539 /* IBSS join status changed */
540 brcms_err(core, "%s: IBSS joined: %s (implement)\n",
541 __func__, info->ibss_joined ? "true" : "false");
544 if (changed & BSS_CHANGED_ARP_FILTER) {
545 /* Hardware ARP filter address list or state changed */
546 brcms_err(core, "%s: arp filtering: %d addresses"
547 " (implement)\n", __func__, info->arp_addr_cnt);
550 if (changed & BSS_CHANGED_QOS) {
552 * QoS for this association was enabled/disabled.
553 * Note that it is only ever disabled for station mode.
555 brcms_err(core, "%s: qos enabled: %s (implement)\n",
556 __func__, info->qos ? "true" : "false");
562 brcms_ops_configure_filter(struct ieee80211_hw *hw,
563 unsigned int changed_flags,
564 unsigned int *total_flags, u64 multicast)
566 struct brcms_info *wl = hw->priv;
567 struct bcma_device *core = wl->wlc->hw->d11core;
569 changed_flags &= MAC_FILTERS;
570 *total_flags &= MAC_FILTERS;
572 if (changed_flags & FIF_PROMISC_IN_BSS)
573 brcms_dbg_info(core, "FIF_PROMISC_IN_BSS\n");
574 if (changed_flags & FIF_ALLMULTI)
575 brcms_dbg_info(core, "FIF_ALLMULTI\n");
576 if (changed_flags & FIF_FCSFAIL)
577 brcms_dbg_info(core, "FIF_FCSFAIL\n");
578 if (changed_flags & FIF_CONTROL)
579 brcms_dbg_info(core, "FIF_CONTROL\n");
580 if (changed_flags & FIF_OTHER_BSS)
581 brcms_dbg_info(core, "FIF_OTHER_BSS\n");
582 if (changed_flags & FIF_PSPOLL)
583 brcms_dbg_info(core, "FIF_PSPOLL\n");
584 if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
585 brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n");
587 spin_lock_bh(&wl->lock);
588 brcms_c_mac_promisc(wl->wlc, *total_flags);
589 spin_unlock_bh(&wl->lock);
593 static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
595 struct brcms_info *wl = hw->priv;
596 spin_lock_bh(&wl->lock);
597 brcms_c_scan_start(wl->wlc);
598 spin_unlock_bh(&wl->lock);
602 static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
604 struct brcms_info *wl = hw->priv;
605 spin_lock_bh(&wl->lock);
606 brcms_c_scan_stop(wl->wlc);
607 spin_unlock_bh(&wl->lock);
612 brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
613 const struct ieee80211_tx_queue_params *params)
615 struct brcms_info *wl = hw->priv;
617 spin_lock_bh(&wl->lock);
618 brcms_c_wme_setparams(wl->wlc, queue, params, true);
619 spin_unlock_bh(&wl->lock);
625 brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
626 struct ieee80211_sta *sta)
628 struct brcms_info *wl = hw->priv;
629 struct scb *scb = &wl->wlc->pri_scb;
631 brcms_c_init_scb(scb);
633 wl->pub->global_ampdu = &(scb->scb_ampdu);
634 wl->pub->global_ampdu->scb = scb;
635 wl->pub->global_ampdu->max_pdu = 16;
638 * minstrel_ht initiates addBA on our behalf by calling
639 * ieee80211_start_tx_ba_session()
645 brcms_ops_ampdu_action(struct ieee80211_hw *hw,
646 struct ieee80211_vif *vif,
647 enum ieee80211_ampdu_mlme_action action,
648 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
651 struct brcms_info *wl = hw->priv;
652 struct scb *scb = &wl->wlc->pri_scb;
655 if (WARN_ON(scb->magic != SCB_MAGIC))
658 case IEEE80211_AMPDU_RX_START:
660 case IEEE80211_AMPDU_RX_STOP:
662 case IEEE80211_AMPDU_TX_START:
663 spin_lock_bh(&wl->lock);
664 status = brcms_c_aggregatable(wl->wlc, tid);
665 spin_unlock_bh(&wl->lock);
667 brcms_err(wl->wlc->hw->d11core,
668 "START: tid %d is not agg\'able\n", tid);
671 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
674 case IEEE80211_AMPDU_TX_STOP_CONT:
675 case IEEE80211_AMPDU_TX_STOP_FLUSH:
676 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
677 spin_lock_bh(&wl->lock);
678 brcms_c_ampdu_flush(wl->wlc, sta, tid);
679 spin_unlock_bh(&wl->lock);
680 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
682 case IEEE80211_AMPDU_TX_OPERATIONAL:
684 * BA window size from ADDBA response ('buf_size') defines how
685 * many outstanding MPDUs are allowed for the BA stream by
686 * recipient and traffic class. 'ampdu_factor' gives maximum
689 spin_lock_bh(&wl->lock);
690 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
691 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
692 sta->ht_cap.ampdu_factor)) - 1);
693 spin_unlock_bh(&wl->lock);
694 /* Power save wakeup */
697 brcms_err(wl->wlc->hw->d11core,
698 "%s: Invalid command, ignoring\n", __func__);
704 static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
706 struct brcms_info *wl = hw->priv;
709 spin_lock_bh(&wl->lock);
710 blocked = brcms_c_check_radio_disabled(wl->wlc);
711 spin_unlock_bh(&wl->lock);
713 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
716 static bool brcms_tx_flush_completed(struct brcms_info *wl)
720 spin_lock_bh(&wl->lock);
721 result = brcms_c_tx_flush_completed(wl->wlc);
722 spin_unlock_bh(&wl->lock);
726 static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
728 struct brcms_info *wl = hw->priv;
731 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
733 ret = wait_event_timeout(wl->tx_flush_wq,
734 brcms_tx_flush_completed(wl),
735 msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
737 brcms_dbg_mac80211(wl->wlc->hw->d11core,
738 "ret=%d\n", jiffies_to_msecs(ret));
741 static const struct ieee80211_ops brcms_ops = {
743 .start = brcms_ops_start,
744 .stop = brcms_ops_stop,
745 .add_interface = brcms_ops_add_interface,
746 .remove_interface = brcms_ops_remove_interface,
747 .config = brcms_ops_config,
748 .bss_info_changed = brcms_ops_bss_info_changed,
749 .configure_filter = brcms_ops_configure_filter,
750 .sw_scan_start = brcms_ops_sw_scan_start,
751 .sw_scan_complete = brcms_ops_sw_scan_complete,
752 .conf_tx = brcms_ops_conf_tx,
753 .sta_add = brcms_ops_sta_add,
754 .ampdu_action = brcms_ops_ampdu_action,
755 .rfkill_poll = brcms_ops_rfkill_poll,
756 .flush = brcms_ops_flush,
759 void brcms_dpc(unsigned long data)
761 struct brcms_info *wl;
763 wl = (struct brcms_info *) data;
765 spin_lock_bh(&wl->lock);
767 /* call the common second level interrupt handler */
772 spin_lock_irqsave(&wl->isr_lock, flags);
773 brcms_c_intrsupd(wl->wlc);
774 spin_unlock_irqrestore(&wl->isr_lock, flags);
777 wl->resched = brcms_c_dpc(wl->wlc, true);
780 /* brcms_c_dpc() may bring the driver down */
784 /* re-schedule dpc */
786 tasklet_schedule(&wl->tasklet);
788 /* re-enable interrupts */
792 spin_unlock_bh(&wl->lock);
793 wake_up(&wl->tx_flush_wq);
797 * Precondition: Since this function is called in brcms_pci_probe() context,
798 * no locking is required.
800 static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
803 struct device *device = &pdev->dev;
807 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
808 for (i = 0; i < MAX_FW_IMAGES; i++) {
809 if (brcms_firmwares[i] == NULL)
811 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
812 UCODE_LOADER_API_VER);
813 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
815 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
816 KBUILD_MODNAME, fw_name);
819 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
820 UCODE_LOADER_API_VER);
821 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
823 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
824 KBUILD_MODNAME, fw_name);
827 wl->fw.hdr_num_entries[i] =
828 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
831 return brcms_ucode_data_init(wl, &wl->ucode);
835 * Precondition: Since this function is called in brcms_pci_probe() context,
836 * no locking is required.
838 static void brcms_release_fw(struct brcms_info *wl)
841 for (i = 0; i < MAX_FW_IMAGES; i++) {
842 release_firmware(wl->fw.fw_bin[i]);
843 release_firmware(wl->fw.fw_hdr[i]);
848 * This function frees the WL per-device resources.
850 * This function frees resources owned by the WL device pointed to
851 * by the wl parameter.
853 * precondition: can both be called locked and unlocked
856 static void brcms_free(struct brcms_info *wl)
858 struct brcms_timer *t, *next;
860 /* free ucode data */
862 brcms_ucode_data_free(&wl->ucode);
864 free_irq(wl->irq, wl);
867 tasklet_kill(&wl->tasklet);
870 brcms_debugfs_detach(wl->pub);
871 brcms_c_module_unregister(wl->pub, "linux", wl);
874 /* free common resources */
876 brcms_c_detach(wl->wlc);
881 /* virtual interface deletion is deferred so we cannot spinwait */
883 /* wait for all pending callbacks to complete */
884 while (atomic_read(&wl->callbacks) > 0)
888 for (t = wl->timers; t; t = next) {
898 * called from both kernel as from this kernel module (error flow on attach)
899 * precondition: perimeter lock is not acquired.
901 static void brcms_remove(struct bcma_device *pdev)
903 struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
904 struct brcms_info *wl = hw->priv;
907 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
908 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
909 ieee80211_unregister_hw(hw);
914 bcma_set_drvdata(pdev, NULL);
915 ieee80211_free_hw(hw);
918 static irqreturn_t brcms_isr(int irq, void *dev_id)
920 struct brcms_info *wl;
921 irqreturn_t ret = IRQ_NONE;
923 wl = (struct brcms_info *) dev_id;
925 spin_lock(&wl->isr_lock);
927 /* call common first level interrupt handler */
928 if (brcms_c_isr(wl->wlc)) {
929 /* schedule second level handler */
930 tasklet_schedule(&wl->tasklet);
934 spin_unlock(&wl->isr_lock);
940 * is called in brcms_pci_probe() context, therefore no locking required.
942 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
944 struct brcms_info *wl = hw->priv;
945 struct brcms_c_info *wlc = wl->wlc;
946 struct ieee80211_supported_band *band;
950 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
951 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
953 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
954 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
955 band = &wlc->bandstate[BAND_2G_INDEX]->band;
956 *band = brcms_band_2GHz_nphy_template;
957 if (phy_type == PHY_TYPE_LCN) {
959 band->ht_cap.mcs.rx_mask[1] = 0;
960 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
962 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
967 /* Assume all bands use the same phy. True for 11n devices. */
968 if (wl->pub->_nbands > 1) {
970 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
971 band = &wlc->bandstate[BAND_5G_INDEX]->band;
972 *band = brcms_band_5GHz_nphy_template;
973 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
982 * is called in brcms_pci_probe() context, therefore no locking required.
984 static int ieee_hw_init(struct ieee80211_hw *hw)
986 hw->flags = IEEE80211_HW_SIGNAL_DBM
987 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
988 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
989 | IEEE80211_HW_AMPDU_AGGREGATION;
991 hw->extra_tx_headroom = brcms_c_get_header_len();
992 hw->queues = N_TX_QUEUES;
993 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
995 /* channel change time is dependent on chip and band */
996 hw->channel_change_time = 7 * 1000;
997 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
999 hw->rate_control_algorithm = "minstrel_ht";
1001 hw->sta_data_size = 0;
1002 return ieee_hw_rate_init(hw);
1006 * attach to the WL device.
1008 * Attach to the WL device identified by vendor and device parameters.
1009 * regs is a host accessible memory address pointing to WL device registers.
1011 * brcms_attach is not defined as static because in the case where no bus
1012 * is defined, wl_attach will never be called, and thus, gcc will issue
1013 * a warning that this function is defined but not used if we declare
1017 * is called in brcms_bcma_probe() context, therefore no locking required.
1019 static struct brcms_info *brcms_attach(struct bcma_device *pdev)
1021 struct brcms_info *wl = NULL;
1023 struct ieee80211_hw *hw;
1026 unit = n_adapters_found;
1032 /* allocate private info */
1033 hw = bcma_get_drvdata(pdev);
1036 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1038 wl->wiphy = hw->wiphy;
1040 atomic_set(&wl->callbacks, 0);
1042 init_waitqueue_head(&wl->tx_flush_wq);
1044 /* setup the bottom half handler */
1045 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1047 spin_lock_init(&wl->lock);
1048 spin_lock_init(&wl->isr_lock);
1051 if (brcms_request_fw(wl, pdev) < 0) {
1052 wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
1053 "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
1054 brcms_release_fw(wl);
1059 /* common load-time initialization */
1060 wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
1061 brcms_release_fw(wl);
1063 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1064 KBUILD_MODNAME, err);
1067 wl->pub = brcms_c_pub(wl->wlc);
1069 wl->pub->ieee_hw = hw;
1071 /* register our interrupt handler */
1072 if (request_irq(pdev->irq, brcms_isr,
1073 IRQF_SHARED, KBUILD_MODNAME, wl)) {
1074 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1077 wl->irq = pdev->irq;
1079 /* register module */
1080 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1082 if (ieee_hw_init(hw)) {
1083 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1088 brcms_c_regd_init(wl->wlc);
1090 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1091 if (WARN_ON(!is_valid_ether_addr(perm)))
1093 SET_IEEE80211_PERM_ADDR(hw, perm);
1095 err = ieee80211_register_hw(hw);
1097 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1098 "%d\n", __func__, err);
1100 if (wl->pub->srom_ccode[0] &&
1101 regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
1102 wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
1104 brcms_debugfs_attach(wl->pub);
1105 brcms_debugfs_create_files(wl->pub);
1117 * determines if a device is a WL device, and if so, attaches it.
1119 * This function determines if a device pointed to by pdev is a WL device,
1120 * and if so, performs a brcms_attach() on it.
1122 * Perimeter lock is initialized in the course of this function.
1124 static int brcms_bcma_probe(struct bcma_device *pdev)
1126 struct brcms_info *wl;
1127 struct ieee80211_hw *hw;
1129 dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n",
1130 pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class,
1133 if ((pdev->id.manuf != BCMA_MANUF_BCM) ||
1134 (pdev->id.id != BCMA_CORE_80211))
1137 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1139 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1143 SET_IEEE80211_DEV(hw, &pdev->dev);
1145 bcma_set_drvdata(pdev, hw);
1147 memset(hw->priv, 0, sizeof(*wl));
1149 wl = brcms_attach(pdev);
1151 pr_err("%s: brcms_attach failed!\n", __func__);
1157 static int brcms_suspend(struct bcma_device *pdev)
1159 struct brcms_info *wl;
1160 struct ieee80211_hw *hw;
1162 hw = bcma_get_drvdata(pdev);
1165 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
1170 /* only need to flag hw is down for proper resume */
1171 spin_lock_bh(&wl->lock);
1172 wl->pub->hw_up = false;
1173 spin_unlock_bh(&wl->lock);
1175 brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
1180 static int brcms_resume(struct bcma_device *pdev)
1185 static struct bcma_driver brcms_bcma_driver = {
1186 .name = KBUILD_MODNAME,
1187 .probe = brcms_bcma_probe,
1188 .suspend = brcms_suspend,
1189 .resume = brcms_resume,
1190 .remove = brcms_remove,
1191 .id_table = brcms_coreid_table,
1195 * This is the main entry point for the brcmsmac driver.
1197 * This function is scheduled upon module initialization and
1198 * does the driver registration, which result in brcms_bcma_probe()
1199 * call resulting in the driver bringup.
1201 static void brcms_driver_init(struct work_struct *work)
1205 error = bcma_driver_register(&brcms_bcma_driver);
1207 pr_err("%s: register returned %d\n", __func__, error);
1210 static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
1212 static int __init brcms_module_init(void)
1214 brcms_debugfs_init();
1215 if (!schedule_work(&brcms_driver_work))
1222 * This function unloads the brcmsmac driver from the system.
1224 * This function unconditionally unloads the brcmsmac driver module from the
1228 static void __exit brcms_module_exit(void)
1230 cancel_work_sync(&brcms_driver_work);
1231 bcma_driver_unregister(&brcms_bcma_driver);
1232 brcms_debugfs_exit();
1235 module_init(brcms_module_init);
1236 module_exit(brcms_module_exit);
1239 * precondition: perimeter lock has been acquired
1241 void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1242 bool state, int prio)
1244 brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__);
1248 * precondition: perimeter lock has been acquired
1250 void brcms_init(struct brcms_info *wl)
1252 brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n",
1255 brcms_c_init(wl->wlc, wl->mute_tx);
1259 * precondition: perimeter lock has been acquired
1261 uint brcms_reset(struct brcms_info *wl)
1263 brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit);
1264 brcms_c_reset(wl->wlc);
1266 /* dpc will not be rescheduled */
1267 wl->resched = false;
1269 /* inform publicly that interface is down */
1270 wl->pub->up = false;
1275 void brcms_fatal_error(struct brcms_info *wl)
1277 brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n",
1278 wl->wlc->pub->unit);
1280 ieee80211_restart_hw(wl->pub->ieee_hw);
1284 * These are interrupt on/off entry points. Disable interrupts
1285 * during interrupt state transition.
1287 void brcms_intrson(struct brcms_info *wl)
1289 unsigned long flags;
1291 spin_lock_irqsave(&wl->isr_lock, flags);
1292 brcms_c_intrson(wl->wlc);
1293 spin_unlock_irqrestore(&wl->isr_lock, flags);
1296 u32 brcms_intrsoff(struct brcms_info *wl)
1298 unsigned long flags;
1301 spin_lock_irqsave(&wl->isr_lock, flags);
1302 status = brcms_c_intrsoff(wl->wlc);
1303 spin_unlock_irqrestore(&wl->isr_lock, flags);
1307 void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1309 unsigned long flags;
1311 spin_lock_irqsave(&wl->isr_lock, flags);
1312 brcms_c_intrsrestore(wl->wlc, macintmask);
1313 spin_unlock_irqrestore(&wl->isr_lock, flags);
1317 * precondition: perimeter lock has been acquired
1319 int brcms_up(struct brcms_info *wl)
1326 error = brcms_c_up(wl->wlc);
1332 * precondition: perimeter lock has been acquired
1334 void brcms_down(struct brcms_info *wl)
1336 uint callbacks, ret_val = 0;
1338 /* call common down function */
1339 ret_val = brcms_c_down(wl->wlc);
1340 callbacks = atomic_read(&wl->callbacks) - ret_val;
1342 /* wait for down callbacks to complete */
1343 spin_unlock_bh(&wl->lock);
1345 /* For HIGH_only driver, it's important to actually schedule other work,
1346 * not just spin wait since everything runs at schedule level
1348 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1350 spin_lock_bh(&wl->lock);
1354 * precondition: perimeter lock is not acquired
1356 static void _brcms_timer(struct work_struct *work)
1358 struct brcms_timer *t = container_of(work, struct brcms_timer,
1361 spin_lock_bh(&t->wl->lock);
1365 atomic_inc(&t->wl->callbacks);
1366 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1368 msecs_to_jiffies(t->ms));
1376 atomic_dec(&t->wl->callbacks);
1378 spin_unlock_bh(&t->wl->lock);
1382 * Adds a timer to the list. Caller supplies a timer function.
1383 * Is called from wlc.
1385 * precondition: perimeter lock has been acquired
1387 struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1388 void (*fn) (void *arg),
1389 void *arg, const char *name)
1391 struct brcms_timer *t;
1393 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1397 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1401 t->next = wl->timers;
1405 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1407 strcpy(t->name, name);
1414 * adds only the kernel timer since it's going to be more accurate
1415 * as well as it's easier to make it periodic
1417 * precondition: perimeter lock has been acquired
1419 void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1421 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1425 brcms_dbg_info(t->wl->wlc->hw->d11core,
1426 "%s: Already set. Name: %s, per %d\n",
1427 __func__, t->name, periodic);
1430 t->periodic = (bool) periodic;
1433 atomic_inc(&t->wl->callbacks);
1436 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1440 * return true if timer successfully deleted, false if still pending
1442 * precondition: perimeter lock has been acquired
1444 bool brcms_del_timer(struct brcms_timer *t)
1448 if (!cancel_delayed_work(&t->dly_wrk))
1451 atomic_dec(&t->wl->callbacks);
1458 * precondition: perimeter lock has been acquired
1460 void brcms_free_timer(struct brcms_timer *t)
1462 struct brcms_info *wl = t->wl;
1463 struct brcms_timer *tmp;
1465 /* delete the timer in case it is active */
1468 if (wl->timers == t) {
1469 wl->timers = wl->timers->next;
1480 if (tmp->next == t) {
1481 tmp->next = t->next;
1494 * precondition: perimeter lock has been acquired
1496 int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1500 struct firmware_hdr *hdr;
1501 for (i = 0; i < wl->fw.fw_cnt; i++) {
1502 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1503 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1505 u32 len = le32_to_cpu(hdr->len);
1506 if (le32_to_cpu(hdr->idx) == idx) {
1507 pdata = wl->fw.fw_bin[i]->data +
1508 le32_to_cpu(hdr->offset);
1509 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
1517 brcms_err(wl->wlc->hw->d11core,
1518 "ERROR: ucode buf tag:%d can not be found!\n", idx);
1525 * Precondition: Since this function is called in brcms_bcma_probe() context,
1526 * no locking is required.
1528 int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1532 struct firmware_hdr *hdr;
1533 for (i = 0; i < wl->fw.fw_cnt; i++) {
1534 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1535 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1537 if (le32_to_cpu(hdr->idx) == idx) {
1538 pdata = wl->fw.fw_bin[i]->data +
1539 le32_to_cpu(hdr->offset);
1540 if (le32_to_cpu(hdr->len) != 4) {
1541 brcms_err(wl->wlc->hw->d11core,
1542 "ERROR: fw hdr len\n");
1545 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1550 brcms_err(wl->wlc->hw->d11core,
1551 "ERROR: ucode tag:%d can not be found!\n", idx);
1556 * precondition: can both be called locked and unlocked
1558 void brcms_ucode_free_buf(void *p)
1564 * checks validity of all firmware images loaded from user space
1566 * Precondition: Since this function is called in brcms_bcma_probe() context,
1567 * no locking is required.
1569 int brcms_check_firmwares(struct brcms_info *wl)
1574 const struct firmware *fw;
1575 const struct firmware *fw_hdr;
1576 struct firmware_hdr *ucode_hdr;
1577 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1578 fw = wl->fw.fw_bin[i];
1579 fw_hdr = wl->fw.fw_hdr[i];
1580 if (fw == NULL && fw_hdr == NULL) {
1582 } else if (fw == NULL || fw_hdr == NULL) {
1583 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1586 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1587 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1588 "size %zu/%zu\n", __func__, fw_hdr->size,
1589 sizeof(struct firmware_hdr));
1591 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1592 wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n",
1593 __func__, fw->size);
1596 /* check if ucode section overruns firmware image */
1597 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1598 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1599 !rc; entry++, ucode_hdr++) {
1600 if (le32_to_cpu(ucode_hdr->offset) +
1601 le32_to_cpu(ucode_hdr->len) >
1603 wiphy_err(wl->wiphy,
1604 "%s: conflicting bin/hdr\n",
1611 if (rc == 0 && wl->fw.fw_cnt != i) {
1612 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1620 * precondition: perimeter lock has been acquired
1622 bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1624 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1626 spin_unlock_bh(&wl->lock);
1627 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1629 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1630 spin_lock_bh(&wl->lock);