2 * Copyright (c) 2010 Broadcom Corporation
3 * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de>
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
12 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
14 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
15 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #define __UNDEF_NO_VERSION__
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 #include <linux/etherdevice.h>
22 #include <linux/sched.h>
23 #include <linux/firmware.h>
24 #include <linux/interrupt.h>
25 #include <linux/module.h>
26 #include <linux/bcma/bcma.h>
27 #include <net/mac80211.h>
29 #include "phy/phy_int.h"
34 #include "ucode_loader.h"
35 #include "mac80211_if.h"
40 #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
41 #define BRCMS_FLUSH_TIMEOUT 500 /* msec */
43 /* Flags we support */
44 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
49 FIF_BCN_PRBRESP_PROMISC | \
52 #define CHAN2GHZ(channel, freqency, chflags) { \
53 .band = IEEE80211_BAND_2GHZ, \
54 .center_freq = (freqency), \
55 .hw_value = (channel), \
57 .max_antenna_gain = 0, \
61 #define CHAN5GHZ(channel, chflags) { \
62 .band = IEEE80211_BAND_5GHZ, \
63 .center_freq = 5000 + 5*(channel), \
64 .hw_value = (channel), \
66 .max_antenna_gain = 0, \
70 #define RATE(rate100m, _flags) { \
71 .bitrate = (rate100m), \
73 .hw_value = (rate100m / 5), \
82 static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
87 static int n_adapters_found;
89 MODULE_AUTHOR("Broadcom Corporation");
90 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
91 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
92 MODULE_LICENSE("Dual BSD/GPL");
93 /* This needs to be adjusted when brcms_firmwares changes */
94 MODULE_FIRMWARE("brcm/bcm43xx-0.fw");
95 MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw");
97 /* recognized BCMA Core IDs */
98 static struct bcma_device_id brcms_coreid_table[] = {
99 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 17, BCMA_ANY_CLASS),
100 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS),
101 BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS),
104 MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
106 #if defined(CONFIG_BRCMDBG)
108 * Module parameter for setting the debug message level. Available
109 * flags are specified by the BRCM_DL_* macros in
110 * drivers/net/wireless/brcm80211/include/defs.h.
112 module_param_named(debug, brcm_msg_level, uint, S_IRUGO | S_IWUSR);
115 static struct ieee80211_channel brcms_2ghz_chantable[] = {
116 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
117 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
118 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
119 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
120 CHAN2GHZ(5, 2432, 0),
121 CHAN2GHZ(6, 2437, 0),
122 CHAN2GHZ(7, 2442, 0),
123 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
124 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
125 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
126 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
128 IEEE80211_CHAN_NO_IR |
129 IEEE80211_CHAN_NO_HT40PLUS),
131 IEEE80211_CHAN_NO_IR |
132 IEEE80211_CHAN_NO_HT40PLUS),
134 IEEE80211_CHAN_NO_IR |
135 IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS |
136 IEEE80211_CHAN_NO_OFDM)
139 static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
141 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
142 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
143 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
144 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
147 IEEE80211_CHAN_RADAR |
148 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
150 IEEE80211_CHAN_RADAR |
151 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
153 IEEE80211_CHAN_RADAR |
154 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
156 IEEE80211_CHAN_RADAR |
157 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
160 IEEE80211_CHAN_RADAR |
161 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
163 IEEE80211_CHAN_RADAR |
164 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
166 IEEE80211_CHAN_RADAR |
167 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
169 IEEE80211_CHAN_RADAR |
170 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
172 IEEE80211_CHAN_RADAR |
173 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
175 IEEE80211_CHAN_RADAR |
176 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
178 IEEE80211_CHAN_RADAR |
179 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
181 IEEE80211_CHAN_RADAR |
182 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
184 IEEE80211_CHAN_RADAR |
185 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40MINUS),
187 IEEE80211_CHAN_RADAR |
188 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS),
190 IEEE80211_CHAN_RADAR |
191 IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_HT40PLUS |
192 IEEE80211_CHAN_NO_HT40MINUS),
194 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
195 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
196 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
197 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
198 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
202 * The rate table is used for both 2.4G and 5G rates. The
203 * latter being a subset as it does not support CCK rates.
205 static struct ieee80211_rate legacy_ratetable[] = {
207 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
208 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
209 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
220 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
221 .band = IEEE80211_BAND_2GHZ,
222 .channels = brcms_2ghz_chantable,
223 .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
224 .bitrates = legacy_ratetable,
225 .n_bitrates = ARRAY_SIZE(legacy_ratetable),
227 /* from include/linux/ieee80211.h */
228 .cap = IEEE80211_HT_CAP_GRN_FLD |
229 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40,
230 .ht_supported = true,
231 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
232 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
234 /* placeholders for now */
235 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
236 .rx_highest = cpu_to_le16(500),
237 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
241 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
242 .band = IEEE80211_BAND_5GHZ,
243 .channels = brcms_5ghz_nphy_chantable,
244 .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
245 .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
246 .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
247 BRCMS_LEGACY_5G_RATE_OFFSET,
249 .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
250 IEEE80211_HT_CAP_SGI_40,
251 .ht_supported = true,
252 .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
253 .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
255 /* placeholders for now */
256 .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
257 .rx_highest = cpu_to_le16(500),
258 .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
262 /* flags the given rate in rateset as requested */
263 static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
267 for (i = 0; i < rs->count; i++) {
268 if (rate != (rs->rates[i] & 0x7f))
272 rs->rates[i] |= BRCMS_RATE_FLAG;
274 rs->rates[i] &= BRCMS_RATE_MASK;
280 * This function frees the WL per-device resources.
282 * This function frees resources owned by the WL device pointed to
283 * by the wl parameter.
285 * precondition: can both be called locked and unlocked
288 static void brcms_free(struct brcms_info *wl)
290 struct brcms_timer *t, *next;
292 /* free ucode data */
294 brcms_ucode_data_free(&wl->ucode);
296 free_irq(wl->irq, wl);
299 tasklet_kill(&wl->tasklet);
302 brcms_debugfs_detach(wl->pub);
303 brcms_c_module_unregister(wl->pub, "linux", wl);
306 /* free common resources */
308 brcms_c_detach(wl->wlc);
313 /* virtual interface deletion is deferred so we cannot spinwait */
315 /* wait for all pending callbacks to complete */
316 while (atomic_read(&wl->callbacks) > 0)
320 for (t = wl->timers; t; t = next) {
330 * called from both kernel as from this kernel module (error flow on attach)
331 * precondition: perimeter lock is not acquired.
333 static void brcms_remove(struct bcma_device *pdev)
335 struct ieee80211_hw *hw = bcma_get_drvdata(pdev);
336 struct brcms_info *wl = hw->priv;
339 brcms_led_unregister(wl);
340 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
341 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
342 ieee80211_unregister_hw(hw);
347 bcma_set_drvdata(pdev, NULL);
348 ieee80211_free_hw(hw);
352 * Precondition: Since this function is called in brcms_pci_probe() context,
353 * no locking is required.
355 static void brcms_release_fw(struct brcms_info *wl)
358 for (i = 0; i < MAX_FW_IMAGES; i++) {
359 release_firmware(wl->fw.fw_bin[i]);
360 release_firmware(wl->fw.fw_hdr[i]);
365 * Precondition: Since this function is called in brcms_pci_probe() context,
366 * no locking is required.
368 static int brcms_request_fw(struct brcms_info *wl, struct bcma_device *pdev)
371 struct device *device = &pdev->dev;
375 memset(&wl->fw, 0, sizeof(struct brcms_firmware));
376 for (i = 0; i < MAX_FW_IMAGES; i++) {
377 if (brcms_firmwares[i] == NULL)
379 sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
380 UCODE_LOADER_API_VER);
381 status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
383 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
384 KBUILD_MODNAME, fw_name);
387 sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
388 UCODE_LOADER_API_VER);
389 status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
391 wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
392 KBUILD_MODNAME, fw_name);
395 wl->fw.hdr_num_entries[i] =
396 wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
399 status = brcms_ucode_data_init(wl, &wl->ucode);
400 brcms_release_fw(wl);
404 static void brcms_ops_tx(struct ieee80211_hw *hw,
405 struct ieee80211_tx_control *control,
408 struct brcms_info *wl = hw->priv;
409 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
411 spin_lock_bh(&wl->lock);
413 brcms_err(wl->wlc->hw->d11core, "ops->tx called while down\n");
417 if (brcms_c_sendpkt_mac80211(wl->wlc, skb, hw))
418 tx_info->rate_driver_data[0] = control->sta;
420 spin_unlock_bh(&wl->lock);
423 static int brcms_ops_start(struct ieee80211_hw *hw)
425 struct brcms_info *wl = hw->priv;
429 ieee80211_wake_queues(hw);
430 spin_lock_bh(&wl->lock);
431 blocked = brcms_rfkill_set_hw_state(wl);
432 spin_unlock_bh(&wl->lock);
434 wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
436 if (!wl->ucode.bcm43xx_bomminor) {
437 err = brcms_request_fw(wl, wl->wlc->hw->d11core);
439 brcms_remove(wl->wlc->hw->d11core);
444 spin_lock_bh(&wl->lock);
445 /* avoid acknowledging frames before a non-monitor device is added */
455 spin_unlock_bh(&wl->lock);
458 brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
461 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true);
465 static void brcms_ops_stop(struct ieee80211_hw *hw)
467 struct brcms_info *wl = hw->priv;
470 ieee80211_stop_queues(hw);
475 spin_lock_bh(&wl->lock);
476 status = brcms_c_chipmatch(wl->wlc->hw->d11core);
477 spin_unlock_bh(&wl->lock);
479 brcms_err(wl->wlc->hw->d11core,
480 "wl: brcms_ops_stop: chipmatch failed\n");
484 bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false);
486 /* put driver in down state */
487 spin_lock_bh(&wl->lock);
489 spin_unlock_bh(&wl->lock);
493 brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
495 struct brcms_info *wl = hw->priv;
497 /* Just STA, AP and ADHOC for now */
498 if (vif->type != NL80211_IFTYPE_STATION &&
499 vif->type != NL80211_IFTYPE_AP &&
500 vif->type != NL80211_IFTYPE_ADHOC) {
501 brcms_err(wl->wlc->hw->d11core,
502 "%s: Attempt to add type %d, only STA, AP and AdHoc for now\n",
503 __func__, vif->type);
507 spin_lock_bh(&wl->lock);
509 brcms_c_mute(wl->wlc, false);
510 if (vif->type == NL80211_IFTYPE_STATION)
511 brcms_c_start_station(wl->wlc, vif->addr);
512 else if (vif->type == NL80211_IFTYPE_AP)
513 brcms_c_start_ap(wl->wlc, vif->addr, vif->bss_conf.bssid,
514 vif->bss_conf.ssid, vif->bss_conf.ssid_len);
515 else if (vif->type == NL80211_IFTYPE_ADHOC)
516 brcms_c_start_adhoc(wl->wlc, vif->addr);
517 spin_unlock_bh(&wl->lock);
523 brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
527 static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed)
529 struct ieee80211_conf *conf = &hw->conf;
530 struct brcms_info *wl = hw->priv;
531 struct bcma_device *core = wl->wlc->hw->d11core;
535 spin_lock_bh(&wl->lock);
536 if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
537 brcms_c_set_beacon_listen_interval(wl->wlc,
538 conf->listen_interval);
540 if (changed & IEEE80211_CONF_CHANGE_MONITOR)
541 brcms_dbg_info(core, "%s: change monitor mode: %s\n",
542 __func__, conf->flags & IEEE80211_CONF_MONITOR ?
544 if (changed & IEEE80211_CONF_CHANGE_PS)
545 brcms_err(core, "%s: change power-save mode: %s (implement)\n",
546 __func__, conf->flags & IEEE80211_CONF_PS ?
549 if (changed & IEEE80211_CONF_CHANGE_POWER) {
550 err = brcms_c_set_tx_power(wl->wlc, conf->power_level);
552 brcms_err(core, "%s: Error setting power_level\n",
556 new_int = brcms_c_get_tx_power(wl->wlc);
557 if (new_int != conf->power_level)
559 "%s: Power level req != actual, %d %d\n",
560 __func__, conf->power_level,
563 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
564 if (conf->chandef.width == NL80211_CHAN_WIDTH_20 ||
565 conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
566 err = brcms_c_set_channel(wl->wlc,
567 conf->chandef.chan->hw_value);
571 if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
572 err = brcms_c_set_rate_limit(wl->wlc,
573 conf->short_frame_max_tx_count,
574 conf->long_frame_max_tx_count);
577 spin_unlock_bh(&wl->lock);
582 brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
583 struct ieee80211_vif *vif,
584 struct ieee80211_bss_conf *info, u32 changed)
586 struct brcms_info *wl = hw->priv;
587 struct bcma_device *core = wl->wlc->hw->d11core;
589 if (changed & BSS_CHANGED_ASSOC) {
590 /* association status changed (associated/disassociated)
591 * also implies a change in the AID.
593 brcms_err(core, "%s: %s: %sassociated\n", KBUILD_MODNAME,
594 __func__, info->assoc ? "" : "dis");
595 spin_lock_bh(&wl->lock);
596 brcms_c_associate_upd(wl->wlc, info->assoc);
597 spin_unlock_bh(&wl->lock);
599 if (changed & BSS_CHANGED_ERP_SLOT) {
602 /* slot timing changed */
603 if (info->use_short_slot)
607 spin_lock_bh(&wl->lock);
608 brcms_c_set_shortslot_override(wl->wlc, val);
609 spin_unlock_bh(&wl->lock);
612 if (changed & BSS_CHANGED_HT) {
613 /* 802.11n parameters changed */
614 u16 mode = info->ht_operation_mode;
616 spin_lock_bh(&wl->lock);
617 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG,
618 mode & IEEE80211_HT_OP_MODE_PROTECTION);
619 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF,
620 mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
621 brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS,
622 mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
623 spin_unlock_bh(&wl->lock);
625 if (changed & BSS_CHANGED_BASIC_RATES) {
626 struct ieee80211_supported_band *bi;
629 struct brcm_rateset rs;
632 /* retrieve the current rates */
633 spin_lock_bh(&wl->lock);
634 brcms_c_get_current_rateset(wl->wlc, &rs);
635 spin_unlock_bh(&wl->lock);
637 br_mask = info->basic_rates;
638 bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)];
639 for (i = 0; i < bi->n_bitrates; i++) {
640 /* convert to internal rate value */
641 rate = (bi->bitrates[i].bitrate << 1) / 10;
643 /* set/clear basic rate flag */
644 brcms_set_basic_rate(&rs, rate, br_mask & 1);
648 /* update the rate set */
649 spin_lock_bh(&wl->lock);
650 error = brcms_c_set_rateset(wl->wlc, &rs);
651 spin_unlock_bh(&wl->lock);
653 brcms_err(core, "changing basic rates failed: %d\n",
656 if (changed & BSS_CHANGED_BEACON_INT) {
657 /* Beacon interval changed */
658 spin_lock_bh(&wl->lock);
659 brcms_c_set_beacon_period(wl->wlc, info->beacon_int);
660 spin_unlock_bh(&wl->lock);
662 if (changed & BSS_CHANGED_BSSID) {
663 /* BSSID changed, for whatever reason (IBSS and managed mode) */
664 spin_lock_bh(&wl->lock);
665 brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid);
666 spin_unlock_bh(&wl->lock);
668 if (changed & BSS_CHANGED_SSID) {
669 /* BSSID changed, for whatever reason (IBSS and managed mode) */
670 spin_lock_bh(&wl->lock);
671 brcms_c_set_ssid(wl->wlc, info->ssid, info->ssid_len);
672 spin_unlock_bh(&wl->lock);
674 if (changed & BSS_CHANGED_BEACON) {
675 /* Beacon data changed, retrieve new beacon (beaconing modes) */
676 struct sk_buff *beacon;
679 spin_lock_bh(&wl->lock);
680 beacon = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL);
681 brcms_c_set_new_beacon(wl->wlc, beacon, tim_offset,
683 spin_unlock_bh(&wl->lock);
686 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
687 struct sk_buff *probe_resp;
689 spin_lock_bh(&wl->lock);
690 probe_resp = ieee80211_proberesp_get(hw, vif);
691 brcms_c_set_new_probe_resp(wl->wlc, probe_resp);
692 spin_unlock_bh(&wl->lock);
695 if (changed & BSS_CHANGED_BEACON_ENABLED) {
696 /* Beaconing should be enabled/disabled (beaconing modes) */
697 brcms_err(core, "%s: Beacon enabled: %s\n", __func__,
698 info->enable_beacon ? "true" : "false");
699 if (info->enable_beacon &&
700 hw->wiphy->flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) {
701 brcms_c_enable_probe_resp(wl->wlc, true);
703 brcms_c_enable_probe_resp(wl->wlc, false);
707 if (changed & BSS_CHANGED_CQM) {
708 /* Connection quality monitor config changed */
709 brcms_err(core, "%s: cqm change: threshold %d, hys %d "
710 " (implement)\n", __func__, info->cqm_rssi_thold,
711 info->cqm_rssi_hyst);
714 if (changed & BSS_CHANGED_IBSS) {
715 /* IBSS join status changed */
716 brcms_err(core, "%s: IBSS joined: %s (implement)\n",
717 __func__, info->ibss_joined ? "true" : "false");
720 if (changed & BSS_CHANGED_ARP_FILTER) {
721 /* Hardware ARP filter address list or state changed */
722 brcms_err(core, "%s: arp filtering: %d addresses"
723 " (implement)\n", __func__, info->arp_addr_cnt);
726 if (changed & BSS_CHANGED_QOS) {
728 * QoS for this association was enabled/disabled.
729 * Note that it is only ever disabled for station mode.
731 brcms_err(core, "%s: qos enabled: %s (implement)\n",
732 __func__, info->qos ? "true" : "false");
738 brcms_ops_configure_filter(struct ieee80211_hw *hw,
739 unsigned int changed_flags,
740 unsigned int *total_flags, u64 multicast)
742 struct brcms_info *wl = hw->priv;
743 struct bcma_device *core = wl->wlc->hw->d11core;
745 changed_flags &= MAC_FILTERS;
746 *total_flags &= MAC_FILTERS;
748 if (changed_flags & FIF_PROMISC_IN_BSS)
749 brcms_dbg_info(core, "FIF_PROMISC_IN_BSS\n");
750 if (changed_flags & FIF_ALLMULTI)
751 brcms_dbg_info(core, "FIF_ALLMULTI\n");
752 if (changed_flags & FIF_FCSFAIL)
753 brcms_dbg_info(core, "FIF_FCSFAIL\n");
754 if (changed_flags & FIF_CONTROL)
755 brcms_dbg_info(core, "FIF_CONTROL\n");
756 if (changed_flags & FIF_OTHER_BSS)
757 brcms_dbg_info(core, "FIF_OTHER_BSS\n");
758 if (changed_flags & FIF_PSPOLL)
759 brcms_dbg_info(core, "FIF_PSPOLL\n");
760 if (changed_flags & FIF_BCN_PRBRESP_PROMISC)
761 brcms_dbg_info(core, "FIF_BCN_PRBRESP_PROMISC\n");
763 spin_lock_bh(&wl->lock);
764 brcms_c_mac_promisc(wl->wlc, *total_flags);
765 spin_unlock_bh(&wl->lock);
769 static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw)
771 struct brcms_info *wl = hw->priv;
772 spin_lock_bh(&wl->lock);
773 brcms_c_scan_start(wl->wlc);
774 spin_unlock_bh(&wl->lock);
778 static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw)
780 struct brcms_info *wl = hw->priv;
781 spin_lock_bh(&wl->lock);
782 brcms_c_scan_stop(wl->wlc);
783 spin_unlock_bh(&wl->lock);
788 brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
789 const struct ieee80211_tx_queue_params *params)
791 struct brcms_info *wl = hw->priv;
793 spin_lock_bh(&wl->lock);
794 brcms_c_wme_setparams(wl->wlc, queue, params, true);
795 spin_unlock_bh(&wl->lock);
801 brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
802 struct ieee80211_sta *sta)
804 struct brcms_info *wl = hw->priv;
805 struct scb *scb = &wl->wlc->pri_scb;
807 brcms_c_init_scb(scb);
809 wl->pub->global_ampdu = &(scb->scb_ampdu);
810 wl->pub->global_ampdu->scb = scb;
811 wl->pub->global_ampdu->max_pdu = 16;
814 * minstrel_ht initiates addBA on our behalf by calling
815 * ieee80211_start_tx_ba_session()
821 brcms_ops_ampdu_action(struct ieee80211_hw *hw,
822 struct ieee80211_vif *vif,
823 enum ieee80211_ampdu_mlme_action action,
824 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
827 struct brcms_info *wl = hw->priv;
828 struct scb *scb = &wl->wlc->pri_scb;
831 if (WARN_ON(scb->magic != SCB_MAGIC))
834 case IEEE80211_AMPDU_RX_START:
836 case IEEE80211_AMPDU_RX_STOP:
838 case IEEE80211_AMPDU_TX_START:
839 spin_lock_bh(&wl->lock);
840 status = brcms_c_aggregatable(wl->wlc, tid);
841 spin_unlock_bh(&wl->lock);
843 brcms_err(wl->wlc->hw->d11core,
844 "START: tid %d is not agg\'able\n", tid);
847 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
850 case IEEE80211_AMPDU_TX_STOP_CONT:
851 case IEEE80211_AMPDU_TX_STOP_FLUSH:
852 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
853 spin_lock_bh(&wl->lock);
854 brcms_c_ampdu_flush(wl->wlc, sta, tid);
855 spin_unlock_bh(&wl->lock);
856 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
858 case IEEE80211_AMPDU_TX_OPERATIONAL:
860 * BA window size from ADDBA response ('buf_size') defines how
861 * many outstanding MPDUs are allowed for the BA stream by
862 * recipient and traffic class. 'ampdu_factor' gives maximum
865 spin_lock_bh(&wl->lock);
866 brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size,
867 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
868 sta->ht_cap.ampdu_factor)) - 1);
869 spin_unlock_bh(&wl->lock);
870 /* Power save wakeup */
873 brcms_err(wl->wlc->hw->d11core,
874 "%s: Invalid command, ignoring\n", __func__);
880 static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw)
882 struct brcms_info *wl = hw->priv;
885 spin_lock_bh(&wl->lock);
886 blocked = brcms_c_check_radio_disabled(wl->wlc);
887 spin_unlock_bh(&wl->lock);
889 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
892 static bool brcms_tx_flush_completed(struct brcms_info *wl)
896 spin_lock_bh(&wl->lock);
897 result = brcms_c_tx_flush_completed(wl->wlc);
898 spin_unlock_bh(&wl->lock);
902 static void brcms_ops_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
904 struct brcms_info *wl = hw->priv;
907 no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false");
909 ret = wait_event_timeout(wl->tx_flush_wq,
910 brcms_tx_flush_completed(wl),
911 msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT));
913 brcms_dbg_mac80211(wl->wlc->hw->d11core,
914 "ret=%d\n", jiffies_to_msecs(ret));
917 static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
919 struct brcms_info *wl = hw->priv;
922 spin_lock_bh(&wl->lock);
923 tsf = brcms_c_tsf_get(wl->wlc);
924 spin_unlock_bh(&wl->lock);
929 static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
930 struct ieee80211_vif *vif, u64 tsf)
932 struct brcms_info *wl = hw->priv;
934 spin_lock_bh(&wl->lock);
935 brcms_c_tsf_set(wl->wlc, tsf);
936 spin_unlock_bh(&wl->lock);
939 static const struct ieee80211_ops brcms_ops = {
941 .start = brcms_ops_start,
942 .stop = brcms_ops_stop,
943 .add_interface = brcms_ops_add_interface,
944 .remove_interface = brcms_ops_remove_interface,
945 .config = brcms_ops_config,
946 .bss_info_changed = brcms_ops_bss_info_changed,
947 .configure_filter = brcms_ops_configure_filter,
948 .sw_scan_start = brcms_ops_sw_scan_start,
949 .sw_scan_complete = brcms_ops_sw_scan_complete,
950 .conf_tx = brcms_ops_conf_tx,
951 .sta_add = brcms_ops_sta_add,
952 .ampdu_action = brcms_ops_ampdu_action,
953 .rfkill_poll = brcms_ops_rfkill_poll,
954 .flush = brcms_ops_flush,
955 .get_tsf = brcms_ops_get_tsf,
956 .set_tsf = brcms_ops_set_tsf,
959 void brcms_dpc(unsigned long data)
961 struct brcms_info *wl;
963 wl = (struct brcms_info *) data;
965 spin_lock_bh(&wl->lock);
967 /* call the common second level interrupt handler */
972 spin_lock_irqsave(&wl->isr_lock, flags);
973 brcms_c_intrsupd(wl->wlc);
974 spin_unlock_irqrestore(&wl->isr_lock, flags);
977 wl->resched = brcms_c_dpc(wl->wlc, true);
980 /* brcms_c_dpc() may bring the driver down */
984 /* re-schedule dpc */
986 tasklet_schedule(&wl->tasklet);
988 /* re-enable interrupts */
992 spin_unlock_bh(&wl->lock);
993 wake_up(&wl->tx_flush_wq);
996 static irqreturn_t brcms_isr(int irq, void *dev_id)
998 struct brcms_info *wl;
999 irqreturn_t ret = IRQ_NONE;
1001 wl = (struct brcms_info *) dev_id;
1003 spin_lock(&wl->isr_lock);
1005 /* call common first level interrupt handler */
1006 if (brcms_c_isr(wl->wlc)) {
1007 /* schedule second level handler */
1008 tasklet_schedule(&wl->tasklet);
1012 spin_unlock(&wl->isr_lock);
1018 * is called in brcms_pci_probe() context, therefore no locking required.
1020 static int ieee_hw_rate_init(struct ieee80211_hw *hw)
1022 struct brcms_info *wl = hw->priv;
1023 struct brcms_c_info *wlc = wl->wlc;
1024 struct ieee80211_supported_band *band;
1028 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
1029 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
1031 phy_type = brcms_c_get_phy_type(wl->wlc, 0);
1032 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1033 band = &wlc->bandstate[BAND_2G_INDEX]->band;
1034 *band = brcms_band_2GHz_nphy_template;
1035 if (phy_type == PHY_TYPE_LCN) {
1037 band->ht_cap.mcs.rx_mask[1] = 0;
1038 band->ht_cap.mcs.rx_highest = cpu_to_le16(72);
1040 hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
1045 /* Assume all bands use the same phy. True for 11n devices. */
1046 if (wl->pub->_nbands > 1) {
1048 if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) {
1049 band = &wlc->bandstate[BAND_5G_INDEX]->band;
1050 *band = brcms_band_5GHz_nphy_template;
1051 hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
1060 * is called in brcms_pci_probe() context, therefore no locking required.
1062 static int ieee_hw_init(struct ieee80211_hw *hw)
1064 hw->flags = IEEE80211_HW_SIGNAL_DBM
1065 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
1066 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
1067 | IEEE80211_HW_AMPDU_AGGREGATION;
1069 hw->extra_tx_headroom = brcms_c_get_header_len();
1070 hw->queues = N_TX_QUEUES;
1071 hw->max_rates = 2; /* Primary rate and 1 fallback rate */
1073 /* channel change time is dependent on chip and band */
1074 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1075 BIT(NL80211_IFTYPE_AP) |
1076 BIT(NL80211_IFTYPE_ADHOC);
1079 * deactivate sending probe responses by ucude, because this will
1080 * cause problems when WPS is used.
1082 * hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1085 hw->rate_control_algorithm = "minstrel_ht";
1087 hw->sta_data_size = 0;
1088 return ieee_hw_rate_init(hw);
1092 * attach to the WL device.
1094 * Attach to the WL device identified by vendor and device parameters.
1095 * regs is a host accessible memory address pointing to WL device registers.
1097 * brcms_attach is not defined as static because in the case where no bus
1098 * is defined, wl_attach will never be called, and thus, gcc will issue
1099 * a warning that this function is defined but not used if we declare
1103 * is called in brcms_bcma_probe() context, therefore no locking required.
1105 static struct brcms_info *brcms_attach(struct bcma_device *pdev)
1107 struct brcms_info *wl = NULL;
1109 struct ieee80211_hw *hw;
1112 unit = n_adapters_found;
1118 /* allocate private info */
1119 hw = bcma_get_drvdata(pdev);
1122 if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
1124 wl->wiphy = hw->wiphy;
1126 atomic_set(&wl->callbacks, 0);
1128 init_waitqueue_head(&wl->tx_flush_wq);
1130 /* setup the bottom half handler */
1131 tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
1133 spin_lock_init(&wl->lock);
1134 spin_lock_init(&wl->isr_lock);
1136 /* common load-time initialization */
1137 wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err);
1139 wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
1140 KBUILD_MODNAME, err);
1143 wl->pub = brcms_c_pub(wl->wlc);
1145 wl->pub->ieee_hw = hw;
1147 /* register our interrupt handler */
1148 if (request_irq(pdev->irq, brcms_isr,
1149 IRQF_SHARED, KBUILD_MODNAME, wl)) {
1150 wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
1153 wl->irq = pdev->irq;
1155 /* register module */
1156 brcms_c_module_register(wl->pub, "linux", wl, NULL);
1158 if (ieee_hw_init(hw)) {
1159 wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
1164 brcms_c_regd_init(wl->wlc);
1166 memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
1167 if (WARN_ON(!is_valid_ether_addr(perm)))
1169 SET_IEEE80211_PERM_ADDR(hw, perm);
1171 err = ieee80211_register_hw(hw);
1173 wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
1174 "%d\n", __func__, err);
1176 if (wl->pub->srom_ccode[0] &&
1177 regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
1178 wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
1180 brcms_debugfs_attach(wl->pub);
1181 brcms_debugfs_create_files(wl->pub);
1193 * determines if a device is a WL device, and if so, attaches it.
1195 * This function determines if a device pointed to by pdev is a WL device,
1196 * and if so, performs a brcms_attach() on it.
1198 * Perimeter lock is initialized in the course of this function.
1200 static int brcms_bcma_probe(struct bcma_device *pdev)
1202 struct brcms_info *wl;
1203 struct ieee80211_hw *hw;
1205 dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n",
1206 pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class,
1209 if ((pdev->id.manuf != BCMA_MANUF_BCM) ||
1210 (pdev->id.id != BCMA_CORE_80211))
1213 hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops);
1215 pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
1219 SET_IEEE80211_DEV(hw, &pdev->dev);
1221 bcma_set_drvdata(pdev, hw);
1223 memset(hw->priv, 0, sizeof(*wl));
1225 wl = brcms_attach(pdev);
1227 pr_err("%s: brcms_attach failed!\n", __func__);
1230 brcms_led_register(wl);
1235 static int brcms_suspend(struct bcma_device *pdev)
1237 struct brcms_info *wl;
1238 struct ieee80211_hw *hw;
1240 hw = bcma_get_drvdata(pdev);
1243 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME,
1248 /* only need to flag hw is down for proper resume */
1249 spin_lock_bh(&wl->lock);
1250 wl->pub->hw_up = false;
1251 spin_unlock_bh(&wl->lock);
1253 brcms_dbg_info(wl->wlc->hw->d11core, "brcms_suspend ok\n");
1258 static int brcms_resume(struct bcma_device *pdev)
1263 static struct bcma_driver brcms_bcma_driver = {
1264 .name = KBUILD_MODNAME,
1265 .probe = brcms_bcma_probe,
1266 .suspend = brcms_suspend,
1267 .resume = brcms_resume,
1268 .remove = brcms_remove,
1269 .id_table = brcms_coreid_table,
1273 * This is the main entry point for the brcmsmac driver.
1275 * This function is scheduled upon module initialization and
1276 * does the driver registration, which result in brcms_bcma_probe()
1277 * call resulting in the driver bringup.
1279 static void brcms_driver_init(struct work_struct *work)
1283 error = bcma_driver_register(&brcms_bcma_driver);
1285 pr_err("%s: register returned %d\n", __func__, error);
1288 static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
1290 static int __init brcms_module_init(void)
1292 brcms_debugfs_init();
1293 if (!schedule_work(&brcms_driver_work))
1300 * This function unloads the brcmsmac driver from the system.
1302 * This function unconditionally unloads the brcmsmac driver module from the
1306 static void __exit brcms_module_exit(void)
1308 cancel_work_sync(&brcms_driver_work);
1309 bcma_driver_unregister(&brcms_bcma_driver);
1310 brcms_debugfs_exit();
1313 module_init(brcms_module_init);
1314 module_exit(brcms_module_exit);
1317 * precondition: perimeter lock has been acquired
1319 void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif,
1320 bool state, int prio)
1322 brcms_err(wl->wlc->hw->d11core, "Shouldn't be here %s\n", __func__);
1326 * precondition: perimeter lock has been acquired
1328 void brcms_init(struct brcms_info *wl)
1330 brcms_dbg_info(wl->wlc->hw->d11core, "Initializing wl%d\n",
1333 brcms_c_init(wl->wlc, wl->mute_tx);
1337 * precondition: perimeter lock has been acquired
1339 uint brcms_reset(struct brcms_info *wl)
1341 brcms_dbg_info(wl->wlc->hw->d11core, "Resetting wl%d\n", wl->pub->unit);
1342 brcms_c_reset(wl->wlc);
1344 /* dpc will not be rescheduled */
1345 wl->resched = false;
1347 /* inform publicly that interface is down */
1348 wl->pub->up = false;
1353 void brcms_fatal_error(struct brcms_info *wl)
1355 brcms_err(wl->wlc->hw->d11core, "wl%d: fatal error, reinitializing\n",
1356 wl->wlc->pub->unit);
1358 ieee80211_restart_hw(wl->pub->ieee_hw);
1362 * These are interrupt on/off entry points. Disable interrupts
1363 * during interrupt state transition.
1365 void brcms_intrson(struct brcms_info *wl)
1367 unsigned long flags;
1369 spin_lock_irqsave(&wl->isr_lock, flags);
1370 brcms_c_intrson(wl->wlc);
1371 spin_unlock_irqrestore(&wl->isr_lock, flags);
1374 u32 brcms_intrsoff(struct brcms_info *wl)
1376 unsigned long flags;
1379 spin_lock_irqsave(&wl->isr_lock, flags);
1380 status = brcms_c_intrsoff(wl->wlc);
1381 spin_unlock_irqrestore(&wl->isr_lock, flags);
1385 void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask)
1387 unsigned long flags;
1389 spin_lock_irqsave(&wl->isr_lock, flags);
1390 brcms_c_intrsrestore(wl->wlc, macintmask);
1391 spin_unlock_irqrestore(&wl->isr_lock, flags);
1395 * precondition: perimeter lock has been acquired
1397 int brcms_up(struct brcms_info *wl)
1404 error = brcms_c_up(wl->wlc);
1410 * precondition: perimeter lock has been acquired
1412 void brcms_down(struct brcms_info *wl)
1414 uint callbacks, ret_val = 0;
1416 /* call common down function */
1417 ret_val = brcms_c_down(wl->wlc);
1418 callbacks = atomic_read(&wl->callbacks) - ret_val;
1420 /* wait for down callbacks to complete */
1421 spin_unlock_bh(&wl->lock);
1423 /* For HIGH_only driver, it's important to actually schedule other work,
1424 * not just spin wait since everything runs at schedule level
1426 SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
1428 spin_lock_bh(&wl->lock);
1432 * precondition: perimeter lock is not acquired
1434 static void _brcms_timer(struct work_struct *work)
1436 struct brcms_timer *t = container_of(work, struct brcms_timer,
1439 spin_lock_bh(&t->wl->lock);
1443 atomic_inc(&t->wl->callbacks);
1444 ieee80211_queue_delayed_work(t->wl->pub->ieee_hw,
1446 msecs_to_jiffies(t->ms));
1454 atomic_dec(&t->wl->callbacks);
1456 spin_unlock_bh(&t->wl->lock);
1460 * Adds a timer to the list. Caller supplies a timer function.
1461 * Is called from wlc.
1463 * precondition: perimeter lock has been acquired
1465 struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
1466 void (*fn) (void *arg),
1467 void *arg, const char *name)
1469 struct brcms_timer *t;
1471 t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC);
1475 INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer);
1479 t->next = wl->timers;
1483 t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
1485 strcpy(t->name, name);
1492 * adds only the kernel timer since it's going to be more accurate
1493 * as well as it's easier to make it periodic
1495 * precondition: perimeter lock has been acquired
1497 void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
1499 struct ieee80211_hw *hw = t->wl->pub->ieee_hw;
1503 brcms_dbg_info(t->wl->wlc->hw->d11core,
1504 "%s: Already set. Name: %s, per %d\n",
1505 __func__, t->name, periodic);
1508 t->periodic = (bool) periodic;
1511 atomic_inc(&t->wl->callbacks);
1514 ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
1518 * return true if timer successfully deleted, false if still pending
1520 * precondition: perimeter lock has been acquired
1522 bool brcms_del_timer(struct brcms_timer *t)
1526 if (!cancel_delayed_work(&t->dly_wrk))
1529 atomic_dec(&t->wl->callbacks);
1536 * precondition: perimeter lock has been acquired
1538 void brcms_free_timer(struct brcms_timer *t)
1540 struct brcms_info *wl = t->wl;
1541 struct brcms_timer *tmp;
1543 /* delete the timer in case it is active */
1546 if (wl->timers == t) {
1547 wl->timers = wl->timers->next;
1558 if (tmp->next == t) {
1559 tmp->next = t->next;
1572 * precondition: perimeter lock has been acquired
1574 int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx)
1578 struct firmware_hdr *hdr;
1579 for (i = 0; i < wl->fw.fw_cnt; i++) {
1580 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1581 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1583 u32 len = le32_to_cpu(hdr->len);
1584 if (le32_to_cpu(hdr->idx) == idx) {
1585 pdata = wl->fw.fw_bin[i]->data +
1586 le32_to_cpu(hdr->offset);
1587 *pbuf = kmemdup(pdata, len, GFP_ATOMIC);
1595 brcms_err(wl->wlc->hw->d11core,
1596 "ERROR: ucode buf tag:%d can not be found!\n", idx);
1603 * Precondition: Since this function is called in brcms_bcma_probe() context,
1604 * no locking is required.
1606 int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx)
1610 struct firmware_hdr *hdr;
1611 for (i = 0; i < wl->fw.fw_cnt; i++) {
1612 hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data;
1613 for (entry = 0; entry < wl->fw.hdr_num_entries[i];
1615 if (le32_to_cpu(hdr->idx) == idx) {
1616 pdata = wl->fw.fw_bin[i]->data +
1617 le32_to_cpu(hdr->offset);
1618 if (le32_to_cpu(hdr->len) != 4) {
1619 brcms_err(wl->wlc->hw->d11core,
1620 "ERROR: fw hdr len\n");
1623 *n_bytes = le32_to_cpu(*((__le32 *) pdata));
1628 brcms_err(wl->wlc->hw->d11core,
1629 "ERROR: ucode tag:%d can not be found!\n", idx);
1634 * precondition: can both be called locked and unlocked
1636 void brcms_ucode_free_buf(void *p)
1642 * checks validity of all firmware images loaded from user space
1644 * Precondition: Since this function is called in brcms_bcma_probe() context,
1645 * no locking is required.
1647 int brcms_check_firmwares(struct brcms_info *wl)
1652 const struct firmware *fw;
1653 const struct firmware *fw_hdr;
1654 struct firmware_hdr *ucode_hdr;
1655 for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) {
1656 fw = wl->fw.fw_bin[i];
1657 fw_hdr = wl->fw.fw_hdr[i];
1658 if (fw == NULL && fw_hdr == NULL) {
1660 } else if (fw == NULL || fw_hdr == NULL) {
1661 wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n",
1664 } else if (fw_hdr->size % sizeof(struct firmware_hdr)) {
1665 wiphy_err(wl->wiphy, "%s: non integral fw hdr file "
1666 "size %zu/%zu\n", __func__, fw_hdr->size,
1667 sizeof(struct firmware_hdr));
1669 } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
1670 wiphy_err(wl->wiphy, "%s: out of bounds fw file size %zu\n",
1671 __func__, fw->size);
1674 /* check if ucode section overruns firmware image */
1675 ucode_hdr = (struct firmware_hdr *)fw_hdr->data;
1676 for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
1677 !rc; entry++, ucode_hdr++) {
1678 if (le32_to_cpu(ucode_hdr->offset) +
1679 le32_to_cpu(ucode_hdr->len) >
1681 wiphy_err(wl->wiphy,
1682 "%s: conflicting bin/hdr\n",
1689 if (rc == 0 && wl->fw.fw_cnt != i) {
1690 wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__,
1698 * precondition: perimeter lock has been acquired
1700 bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
1702 bool blocked = brcms_c_check_radio_disabled(wl->wlc);
1704 spin_unlock_bh(&wl->lock);
1705 wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
1707 wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
1708 spin_lock_bh(&wl->lock);