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"
37 #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
39 /* Flags we support */
40 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
45 FIF_BCN_PRBRESP_PROMISC | \
48 #define CHAN2GHZ(channel, freqency, chflags) { \
49 .band = IEEE80211_BAND_2GHZ, \
50 .center_freq = (freqency), \
51 .hw_value = (channel), \
53 .max_antenna_gain = 0, \
57 #define CHAN5GHZ(channel, chflags) { \
58 .band = IEEE80211_BAND_5GHZ, \
59 .center_freq = 5000 + 5*(channel), \
60 .hw_value = (channel), \
62 .max_antenna_gain = 0, \
66 #define RATE(rate100m, _flags) { \
67 .bitrate = (rate100m), \
69 .hw_value = (rate100m / 5), \
78 static const char * const brcms_firmwares
[MAX_FW_IMAGES
] = {
83 static int n_adapters_found
;
85 MODULE_AUTHOR("Broadcom Corporation");
86 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
87 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
88 MODULE_LICENSE("Dual BSD/GPL");
91 /* recognized BCMA Core IDs */
92 static struct bcma_device_id brcms_coreid_table
[] = {
93 BCMA_CORE(BCMA_MANUF_BCM
, BCMA_CORE_80211
, 23, BCMA_ANY_CLASS
),
94 BCMA_CORE(BCMA_MANUF_BCM
, BCMA_CORE_80211
, 24, BCMA_ANY_CLASS
),
97 MODULE_DEVICE_TABLE(bcma
, brcms_coreid_table
);
100 static int msglevel
= 0xdeadbeef;
101 module_param(msglevel
, int, 0);
104 static struct ieee80211_channel brcms_2ghz_chantable
[] = {
105 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS
),
106 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS
),
107 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS
),
108 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS
),
109 CHAN2GHZ(5, 2432, 0),
110 CHAN2GHZ(6, 2437, 0),
111 CHAN2GHZ(7, 2442, 0),
112 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS
),
113 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS
),
114 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS
),
115 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS
),
117 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_IBSS
|
118 IEEE80211_CHAN_NO_HT40PLUS
),
120 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_IBSS
|
121 IEEE80211_CHAN_NO_HT40PLUS
),
123 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_IBSS
|
124 IEEE80211_CHAN_NO_HT40PLUS
| IEEE80211_CHAN_NO_HT40MINUS
)
127 static struct ieee80211_channel brcms_5ghz_nphy_chantable
[] = {
129 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS
),
130 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS
),
131 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS
),
132 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS
),
135 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
136 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
138 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
139 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
141 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
142 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
144 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
145 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
148 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
149 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
151 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
152 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
154 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
155 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
157 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
158 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
160 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
161 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
163 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
164 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
166 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
167 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
169 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
170 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
172 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
173 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
175 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
176 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
178 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
179 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
|
180 IEEE80211_CHAN_NO_HT40MINUS
),
182 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS
),
183 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS
),
184 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS
),
185 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS
),
186 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS
| IEEE80211_CHAN_NO_HT40MINUS
)
190 * The rate table is used for both 2.4G and 5G rates. The
191 * latter being a subset as it does not support CCK rates.
193 static struct ieee80211_rate legacy_ratetable
[] = {
195 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE
),
196 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE
),
197 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE
),
208 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template
= {
209 .band
= IEEE80211_BAND_2GHZ
,
210 .channels
= brcms_2ghz_chantable
,
211 .n_channels
= ARRAY_SIZE(brcms_2ghz_chantable
),
212 .bitrates
= legacy_ratetable
,
213 .n_bitrates
= ARRAY_SIZE(legacy_ratetable
),
215 /* from include/linux/ieee80211.h */
216 .cap
= IEEE80211_HT_CAP_GRN_FLD
|
217 IEEE80211_HT_CAP_SGI_20
| IEEE80211_HT_CAP_SGI_40
,
218 .ht_supported
= true,
219 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
,
220 .ampdu_density
= AMPDU_DEF_MPDU_DENSITY
,
222 /* placeholders for now */
223 .rx_mask
= {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
224 .rx_highest
= cpu_to_le16(500),
225 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
}
229 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template
= {
230 .band
= IEEE80211_BAND_5GHZ
,
231 .channels
= brcms_5ghz_nphy_chantable
,
232 .n_channels
= ARRAY_SIZE(brcms_5ghz_nphy_chantable
),
233 .bitrates
= legacy_ratetable
+ BRCMS_LEGACY_5G_RATE_OFFSET
,
234 .n_bitrates
= ARRAY_SIZE(legacy_ratetable
) -
235 BRCMS_LEGACY_5G_RATE_OFFSET
,
237 .cap
= IEEE80211_HT_CAP_GRN_FLD
| IEEE80211_HT_CAP_SGI_20
|
238 IEEE80211_HT_CAP_SGI_40
,
239 .ht_supported
= true,
240 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
,
241 .ampdu_density
= AMPDU_DEF_MPDU_DENSITY
,
243 /* placeholders for now */
244 .rx_mask
= {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
245 .rx_highest
= cpu_to_le16(500),
246 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
}
250 /* flags the given rate in rateset as requested */
251 static void brcms_set_basic_rate(struct brcm_rateset
*rs
, u16 rate
, bool is_br
)
255 for (i
= 0; i
< rs
->count
; i
++) {
256 if (rate
!= (rs
->rates
[i
] & 0x7f))
260 rs
->rates
[i
] |= BRCMS_RATE_FLAG
;
262 rs
->rates
[i
] &= BRCMS_RATE_MASK
;
267 static void brcms_ops_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
269 struct brcms_info
*wl
= hw
->priv
;
270 struct ieee80211_tx_info
*tx_info
= IEEE80211_SKB_CB(skb
);
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
);
279 tx_info
->rate_driver_data
[0] = tx_info
->control
.sta
;
281 spin_unlock_bh(&wl
->lock
);
284 static int brcms_ops_start(struct ieee80211_hw
*hw
)
286 struct brcms_info
*wl
= hw
->priv
;
290 ieee80211_wake_queues(hw
);
291 spin_lock_bh(&wl
->lock
);
292 blocked
= brcms_rfkill_set_hw_state(wl
);
293 spin_unlock_bh(&wl
->lock
);
295 wiphy_rfkill_stop_polling(wl
->pub
->ieee_hw
->wiphy
);
297 spin_lock_bh(&wl
->lock
);
298 /* avoid acknowledging frames before a non-monitor device is added */
305 spin_unlock_bh(&wl
->lock
);
308 wiphy_err(hw
->wiphy
, "%s: brcms_up() returned %d\n", __func__
,
313 static void brcms_ops_stop(struct ieee80211_hw
*hw
)
315 struct brcms_info
*wl
= hw
->priv
;
318 ieee80211_stop_queues(hw
);
323 spin_lock_bh(&wl
->lock
);
324 status
= brcms_c_chipmatch(wl
->wlc
->hw
->d11core
);
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_dbg(wiphy
, "%s: change monitor mode: %s\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
;
553 if (changed_flags
& FIF_PROMISC_IN_BSS
)
554 wiphy_dbg(wiphy
, "FIF_PROMISC_IN_BSS\n");
555 if (changed_flags
& FIF_ALLMULTI
)
556 wiphy_dbg(wiphy
, "FIF_ALLMULTI\n");
557 if (changed_flags
& FIF_FCSFAIL
)
558 wiphy_dbg(wiphy
, "FIF_FCSFAIL\n");
559 if (changed_flags
& FIF_CONTROL
)
560 wiphy_dbg(wiphy
, "FIF_CONTROL\n");
561 if (changed_flags
& FIF_OTHER_BSS
)
562 wiphy_dbg(wiphy
, "FIF_OTHER_BSS\n");
563 if (changed_flags
& FIF_PSPOLL
)
564 wiphy_dbg(wiphy
, "FIF_PSPOLL\n");
565 if (changed_flags
& FIF_BCN_PRBRESP_PROMISC
)
566 wiphy_dbg(wiphy
, "FIF_BCN_PRBRESP_PROMISC\n");
568 spin_lock_bh(&wl
->lock
);
569 brcms_c_mac_promisc(wl
->wlc
, *total_flags
);
570 spin_unlock_bh(&wl
->lock
);
574 static void brcms_ops_sw_scan_start(struct ieee80211_hw
*hw
)
576 struct brcms_info
*wl
= hw
->priv
;
577 spin_lock_bh(&wl
->lock
);
578 brcms_c_scan_start(wl
->wlc
);
579 spin_unlock_bh(&wl
->lock
);
583 static void brcms_ops_sw_scan_complete(struct ieee80211_hw
*hw
)
585 struct brcms_info
*wl
= hw
->priv
;
586 spin_lock_bh(&wl
->lock
);
587 brcms_c_scan_stop(wl
->wlc
);
588 spin_unlock_bh(&wl
->lock
);
593 brcms_ops_conf_tx(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
, u16 queue
,
594 const struct ieee80211_tx_queue_params
*params
)
596 struct brcms_info
*wl
= hw
->priv
;
598 spin_lock_bh(&wl
->lock
);
599 brcms_c_wme_setparams(wl
->wlc
, queue
, params
, true);
600 spin_unlock_bh(&wl
->lock
);
606 brcms_ops_sta_add(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
,
607 struct ieee80211_sta
*sta
)
609 struct brcms_info
*wl
= hw
->priv
;
610 struct scb
*scb
= &wl
->wlc
->pri_scb
;
612 brcms_c_init_scb(scb
);
614 wl
->pub
->global_ampdu
= &(scb
->scb_ampdu
);
615 wl
->pub
->global_ampdu
->scb
= scb
;
616 wl
->pub
->global_ampdu
->max_pdu
= 16;
619 * minstrel_ht initiates addBA on our behalf by calling
620 * ieee80211_start_tx_ba_session()
626 brcms_ops_ampdu_action(struct ieee80211_hw
*hw
,
627 struct ieee80211_vif
*vif
,
628 enum ieee80211_ampdu_mlme_action action
,
629 struct ieee80211_sta
*sta
, u16 tid
, u16
*ssn
,
632 struct brcms_info
*wl
= hw
->priv
;
633 struct scb
*scb
= &wl
->wlc
->pri_scb
;
636 if (WARN_ON(scb
->magic
!= SCB_MAGIC
))
639 case IEEE80211_AMPDU_RX_START
:
641 case IEEE80211_AMPDU_RX_STOP
:
643 case IEEE80211_AMPDU_TX_START
:
644 spin_lock_bh(&wl
->lock
);
645 status
= brcms_c_aggregatable(wl
->wlc
, tid
);
646 spin_unlock_bh(&wl
->lock
);
648 wiphy_err(wl
->wiphy
, "START: tid %d is not agg\'able\n",
652 ieee80211_start_tx_ba_cb_irqsafe(vif
, sta
->addr
, tid
);
655 case IEEE80211_AMPDU_TX_STOP
:
656 spin_lock_bh(&wl
->lock
);
657 brcms_c_ampdu_flush(wl
->wlc
, sta
, tid
);
658 spin_unlock_bh(&wl
->lock
);
659 ieee80211_stop_tx_ba_cb_irqsafe(vif
, sta
->addr
, tid
);
661 case IEEE80211_AMPDU_TX_OPERATIONAL
:
663 * BA window size from ADDBA response ('buf_size') defines how
664 * many outstanding MPDUs are allowed for the BA stream by
665 * recipient and traffic class. 'ampdu_factor' gives maximum
668 spin_lock_bh(&wl
->lock
);
669 brcms_c_ampdu_tx_operational(wl
->wlc
, tid
, buf_size
,
670 (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR
+
671 sta
->ht_cap
.ampdu_factor
)) - 1);
672 spin_unlock_bh(&wl
->lock
);
673 /* Power save wakeup */
676 wiphy_err(wl
->wiphy
, "%s: Invalid command, ignoring\n",
683 static void brcms_ops_rfkill_poll(struct ieee80211_hw
*hw
)
685 struct brcms_info
*wl
= hw
->priv
;
688 spin_lock_bh(&wl
->lock
);
689 blocked
= brcms_c_check_radio_disabled(wl
->wlc
);
690 spin_unlock_bh(&wl
->lock
);
692 wiphy_rfkill_set_hw_state(wl
->pub
->ieee_hw
->wiphy
, blocked
);
695 static void brcms_ops_flush(struct ieee80211_hw
*hw
, bool drop
)
697 struct brcms_info
*wl
= hw
->priv
;
699 no_printk("%s: drop = %s\n", __func__
, drop
? "true" : "false");
701 /* wait for packet queue and dma fifos to run empty */
702 spin_lock_bh(&wl
->lock
);
703 brcms_c_wait_for_tx_completion(wl
->wlc
, drop
);
704 spin_unlock_bh(&wl
->lock
);
707 static const struct ieee80211_ops brcms_ops
= {
709 .start
= brcms_ops_start
,
710 .stop
= brcms_ops_stop
,
711 .add_interface
= brcms_ops_add_interface
,
712 .remove_interface
= brcms_ops_remove_interface
,
713 .config
= brcms_ops_config
,
714 .bss_info_changed
= brcms_ops_bss_info_changed
,
715 .configure_filter
= brcms_ops_configure_filter
,
716 .sw_scan_start
= brcms_ops_sw_scan_start
,
717 .sw_scan_complete
= brcms_ops_sw_scan_complete
,
718 .conf_tx
= brcms_ops_conf_tx
,
719 .sta_add
= brcms_ops_sta_add
,
720 .ampdu_action
= brcms_ops_ampdu_action
,
721 .rfkill_poll
= brcms_ops_rfkill_poll
,
722 .flush
= brcms_ops_flush
,
725 void brcms_dpc(unsigned long data
)
727 struct brcms_info
*wl
;
729 wl
= (struct brcms_info
*) data
;
731 spin_lock_bh(&wl
->lock
);
733 /* call the common second level interrupt handler */
738 spin_lock_irqsave(&wl
->isr_lock
, flags
);
739 brcms_c_intrsupd(wl
->wlc
);
740 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
743 wl
->resched
= brcms_c_dpc(wl
->wlc
, true);
746 /* brcms_c_dpc() may bring the driver down */
750 /* re-schedule dpc */
752 tasklet_schedule(&wl
->tasklet
);
754 /* re-enable interrupts */
758 spin_unlock_bh(&wl
->lock
);
762 * Precondition: Since this function is called in brcms_pci_probe() context,
763 * no locking is required.
765 static int brcms_request_fw(struct brcms_info
*wl
, struct bcma_device
*pdev
)
768 struct device
*device
= &pdev
->dev
;
772 memset(&wl
->fw
, 0, sizeof(struct brcms_firmware
));
773 for (i
= 0; i
< MAX_FW_IMAGES
; i
++) {
774 if (brcms_firmwares
[i
] == NULL
)
776 sprintf(fw_name
, "%s-%d.fw", brcms_firmwares
[i
],
777 UCODE_LOADER_API_VER
);
778 status
= request_firmware(&wl
->fw
.fw_bin
[i
], fw_name
, device
);
780 wiphy_err(wl
->wiphy
, "%s: fail to load firmware %s\n",
781 KBUILD_MODNAME
, fw_name
);
784 sprintf(fw_name
, "%s_hdr-%d.fw", brcms_firmwares
[i
],
785 UCODE_LOADER_API_VER
);
786 status
= request_firmware(&wl
->fw
.fw_hdr
[i
], fw_name
, device
);
788 wiphy_err(wl
->wiphy
, "%s: fail to load firmware %s\n",
789 KBUILD_MODNAME
, fw_name
);
792 wl
->fw
.hdr_num_entries
[i
] =
793 wl
->fw
.fw_hdr
[i
]->size
/ (sizeof(struct firmware_hdr
));
796 return brcms_ucode_data_init(wl
, &wl
->ucode
);
800 * Precondition: Since this function is called in brcms_pci_probe() context,
801 * no locking is required.
803 static void brcms_release_fw(struct brcms_info
*wl
)
806 for (i
= 0; i
< MAX_FW_IMAGES
; i
++) {
807 release_firmware(wl
->fw
.fw_bin
[i
]);
808 release_firmware(wl
->fw
.fw_hdr
[i
]);
813 * This function frees the WL per-device resources.
815 * This function frees resources owned by the WL device pointed to
816 * by the wl parameter.
818 * precondition: can both be called locked and unlocked
821 static void brcms_free(struct brcms_info
*wl
)
823 struct brcms_timer
*t
, *next
;
825 /* free ucode data */
827 brcms_ucode_data_free(&wl
->ucode
);
829 free_irq(wl
->irq
, wl
);
832 tasklet_kill(&wl
->tasklet
);
835 brcms_c_module_unregister(wl
->pub
, "linux", wl
);
837 /* free common resources */
839 brcms_c_detach(wl
->wlc
);
844 /* virtual interface deletion is deferred so we cannot spinwait */
846 /* wait for all pending callbacks to complete */
847 while (atomic_read(&wl
->callbacks
) > 0)
851 for (t
= wl
->timers
; t
; t
= next
) {
861 * called from both kernel as from this kernel module (error flow on attach)
862 * precondition: perimeter lock is not acquired.
864 static void brcms_remove(struct bcma_device
*pdev
)
866 struct ieee80211_hw
*hw
= bcma_get_drvdata(pdev
);
867 struct brcms_info
*wl
= hw
->priv
;
870 wiphy_rfkill_set_hw_state(wl
->pub
->ieee_hw
->wiphy
, false);
871 wiphy_rfkill_stop_polling(wl
->pub
->ieee_hw
->wiphy
);
872 ieee80211_unregister_hw(hw
);
877 bcma_set_drvdata(pdev
, NULL
);
878 ieee80211_free_hw(hw
);
881 static irqreturn_t
brcms_isr(int irq
, void *dev_id
)
883 struct brcms_info
*wl
;
886 wl
= (struct brcms_info
*) dev_id
;
888 spin_lock(&wl
->isr_lock
);
890 /* call common first level interrupt handler */
891 ours
= brcms_c_isr(wl
->wlc
, &wantdpc
);
893 /* if more to do... */
896 /* ...and call the second level interrupt handler */
898 tasklet_schedule(&wl
->tasklet
);
902 spin_unlock(&wl
->isr_lock
);
904 return IRQ_RETVAL(ours
);
908 * is called in brcms_pci_probe() context, therefore no locking required.
910 static int ieee_hw_rate_init(struct ieee80211_hw
*hw
)
912 struct brcms_info
*wl
= hw
->priv
;
913 struct brcms_c_info
*wlc
= wl
->wlc
;
914 struct ieee80211_supported_band
*band
;
918 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = NULL
;
919 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
921 phy_type
= brcms_c_get_phy_type(wl
->wlc
, 0);
922 if (phy_type
== PHY_TYPE_N
|| phy_type
== PHY_TYPE_LCN
) {
923 band
= &wlc
->bandstate
[BAND_2G_INDEX
]->band
;
924 *band
= brcms_band_2GHz_nphy_template
;
925 if (phy_type
== PHY_TYPE_LCN
) {
927 band
->ht_cap
.mcs
.rx_mask
[1] = 0;
928 band
->ht_cap
.mcs
.rx_highest
= cpu_to_le16(72);
930 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = band
;
935 /* Assume all bands use the same phy. True for 11n devices. */
936 if (wl
->pub
->_nbands
> 1) {
938 if (phy_type
== PHY_TYPE_N
|| phy_type
== PHY_TYPE_LCN
) {
939 band
= &wlc
->bandstate
[BAND_5G_INDEX
]->band
;
940 *band
= brcms_band_5GHz_nphy_template
;
941 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = band
;
950 * is called in brcms_pci_probe() context, therefore no locking required.
952 static int ieee_hw_init(struct ieee80211_hw
*hw
)
954 hw
->flags
= IEEE80211_HW_SIGNAL_DBM
955 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
956 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
957 | IEEE80211_HW_AMPDU_AGGREGATION
;
959 hw
->extra_tx_headroom
= brcms_c_get_header_len();
960 hw
->queues
= N_TX_QUEUES
;
961 hw
->max_rates
= 2; /* Primary rate and 1 fallback rate */
963 /* channel change time is dependent on chip and band */
964 hw
->channel_change_time
= 7 * 1000;
965 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
);
967 hw
->rate_control_algorithm
= "minstrel_ht";
969 hw
->sta_data_size
= 0;
970 return ieee_hw_rate_init(hw
);
974 * attach to the WL device.
976 * Attach to the WL device identified by vendor and device parameters.
977 * regs is a host accessible memory address pointing to WL device registers.
979 * brcms_attach is not defined as static because in the case where no bus
980 * is defined, wl_attach will never be called, and thus, gcc will issue
981 * a warning that this function is defined but not used if we declare
985 * is called in brcms_bcma_probe() context, therefore no locking required.
987 static struct brcms_info
*brcms_attach(struct bcma_device
*pdev
)
989 struct brcms_info
*wl
= NULL
;
991 struct ieee80211_hw
*hw
;
994 unit
= n_adapters_found
;
1000 /* allocate private info */
1001 hw
= bcma_get_drvdata(pdev
);
1004 if (WARN_ON(hw
== NULL
) || WARN_ON(wl
== NULL
))
1006 wl
->wiphy
= hw
->wiphy
;
1008 atomic_set(&wl
->callbacks
, 0);
1010 /* setup the bottom half handler */
1011 tasklet_init(&wl
->tasklet
, brcms_dpc
, (unsigned long) wl
);
1013 spin_lock_init(&wl
->lock
);
1014 spin_lock_init(&wl
->isr_lock
);
1017 if (brcms_request_fw(wl
, pdev
) < 0) {
1018 wiphy_err(wl
->wiphy
, "%s: Failed to find firmware usually in "
1019 "%s\n", KBUILD_MODNAME
, "/lib/firmware/brcm");
1020 brcms_release_fw(wl
);
1025 /* common load-time initialization */
1026 wl
->wlc
= brcms_c_attach((void *)wl
, pdev
, unit
, false, &err
);
1027 brcms_release_fw(wl
);
1029 wiphy_err(wl
->wiphy
, "%s: attach() failed with code %d\n",
1030 KBUILD_MODNAME
, err
);
1033 wl
->pub
= brcms_c_pub(wl
->wlc
);
1035 wl
->pub
->ieee_hw
= hw
;
1037 /* register our interrupt handler */
1038 if (request_irq(pdev
->irq
, brcms_isr
,
1039 IRQF_SHARED
, KBUILD_MODNAME
, wl
)) {
1040 wiphy_err(wl
->wiphy
, "wl%d: request_irq() failed\n", unit
);
1043 wl
->irq
= pdev
->irq
;
1045 /* register module */
1046 brcms_c_module_register(wl
->pub
, "linux", wl
, NULL
);
1048 if (ieee_hw_init(hw
)) {
1049 wiphy_err(wl
->wiphy
, "wl%d: %s: ieee_hw_init failed!\n", unit
,
1054 brcms_c_regd_init(wl
->wlc
);
1056 memcpy(perm
, &wl
->pub
->cur_etheraddr
, ETH_ALEN
);
1057 if (WARN_ON(!is_valid_ether_addr(perm
)))
1059 SET_IEEE80211_PERM_ADDR(hw
, perm
);
1061 err
= ieee80211_register_hw(hw
);
1063 wiphy_err(wl
->wiphy
, "%s: ieee80211_register_hw failed, status"
1064 "%d\n", __func__
, err
);
1066 if (wl
->pub
->srom_ccode
[0] &&
1067 regulatory_hint(wl
->wiphy
, wl
->pub
->srom_ccode
))
1068 wiphy_err(wl
->wiphy
, "%s: regulatory hint failed\n", __func__
);
1081 * determines if a device is a WL device, and if so, attaches it.
1083 * This function determines if a device pointed to by pdev is a WL device,
1084 * and if so, performs a brcms_attach() on it.
1086 * Perimeter lock is initialized in the course of this function.
1088 static int __devinit
brcms_bcma_probe(struct bcma_device
*pdev
)
1090 struct brcms_info
*wl
;
1091 struct ieee80211_hw
*hw
;
1093 dev_info(&pdev
->dev
, "mfg %x core %x rev %d class %d irq %d\n",
1094 pdev
->id
.manuf
, pdev
->id
.id
, pdev
->id
.rev
, pdev
->id
.class,
1097 if ((pdev
->id
.manuf
!= BCMA_MANUF_BCM
) ||
1098 (pdev
->id
.id
!= BCMA_CORE_80211
))
1101 hw
= ieee80211_alloc_hw(sizeof(struct brcms_info
), &brcms_ops
);
1103 pr_err("%s: ieee80211_alloc_hw failed\n", __func__
);
1107 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
1109 bcma_set_drvdata(pdev
, hw
);
1111 memset(hw
->priv
, 0, sizeof(*wl
));
1113 wl
= brcms_attach(pdev
);
1115 pr_err("%s: brcms_attach failed!\n", __func__
);
1121 static int brcms_suspend(struct bcma_device
*pdev
)
1123 struct brcms_info
*wl
;
1124 struct ieee80211_hw
*hw
;
1126 hw
= bcma_get_drvdata(pdev
);
1129 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME
,
1134 /* only need to flag hw is down for proper resume */
1135 spin_lock_bh(&wl
->lock
);
1136 wl
->pub
->hw_up
= false;
1137 spin_unlock_bh(&wl
->lock
);
1139 pr_debug("brcms_suspend ok\n");
1144 static int brcms_resume(struct bcma_device
*pdev
)
1146 pr_debug("brcms_resume ok\n");
1150 static struct bcma_driver brcms_bcma_driver
= {
1151 .name
= KBUILD_MODNAME
,
1152 .probe
= brcms_bcma_probe
,
1153 .suspend
= brcms_suspend
,
1154 .resume
= brcms_resume
,
1155 .remove
= __devexit_p(brcms_remove
),
1156 .id_table
= brcms_coreid_table
,
1160 * This is the main entry point for the brcmsmac driver.
1162 * This function is scheduled upon module initialization and
1163 * does the driver registration, which result in brcms_bcma_probe()
1164 * call resulting in the driver bringup.
1166 static void brcms_driver_init(struct work_struct
*work
)
1170 error
= bcma_driver_register(&brcms_bcma_driver
);
1172 pr_err("%s: register returned %d\n", __func__
, error
);
1175 static DECLARE_WORK(brcms_driver_work
, brcms_driver_init
);
1177 static int __init
brcms_module_init(void)
1180 if (msglevel
!= 0xdeadbeef)
1181 brcm_msg_level
= msglevel
;
1183 if (!schedule_work(&brcms_driver_work
))
1190 * This function unloads the brcmsmac driver from the system.
1192 * This function unconditionally unloads the brcmsmac driver module from the
1196 static void __exit
brcms_module_exit(void)
1198 cancel_work_sync(&brcms_driver_work
);
1199 bcma_driver_unregister(&brcms_bcma_driver
);
1202 module_init(brcms_module_init
);
1203 module_exit(brcms_module_exit
);
1206 * precondition: perimeter lock has been acquired
1208 void brcms_txflowcontrol(struct brcms_info
*wl
, struct brcms_if
*wlif
,
1209 bool state
, int prio
)
1211 wiphy_err(wl
->wiphy
, "Shouldn't be here %s\n", __func__
);
1215 * precondition: perimeter lock has been acquired
1217 void brcms_init(struct brcms_info
*wl
)
1219 BCMMSG(wl
->pub
->ieee_hw
->wiphy
, "wl%d\n", wl
->pub
->unit
);
1221 brcms_c_init(wl
->wlc
, wl
->mute_tx
);
1225 * precondition: perimeter lock has been acquired
1227 uint
brcms_reset(struct brcms_info
*wl
)
1229 BCMMSG(wl
->pub
->ieee_hw
->wiphy
, "wl%d\n", wl
->pub
->unit
);
1230 brcms_c_reset(wl
->wlc
);
1232 /* dpc will not be rescheduled */
1233 wl
->resched
= false;
1238 void brcms_fatal_error(struct brcms_info
*wl
)
1240 wiphy_err(wl
->wlc
->wiphy
, "wl%d: fatal error, reinitializing\n",
1241 wl
->wlc
->pub
->unit
);
1243 ieee80211_restart_hw(wl
->pub
->ieee_hw
);
1247 * These are interrupt on/off entry points. Disable interrupts
1248 * during interrupt state transition.
1250 void brcms_intrson(struct brcms_info
*wl
)
1252 unsigned long flags
;
1254 spin_lock_irqsave(&wl
->isr_lock
, flags
);
1255 brcms_c_intrson(wl
->wlc
);
1256 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
1259 u32
brcms_intrsoff(struct brcms_info
*wl
)
1261 unsigned long flags
;
1264 spin_lock_irqsave(&wl
->isr_lock
, flags
);
1265 status
= brcms_c_intrsoff(wl
->wlc
);
1266 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
1270 void brcms_intrsrestore(struct brcms_info
*wl
, u32 macintmask
)
1272 unsigned long flags
;
1274 spin_lock_irqsave(&wl
->isr_lock
, flags
);
1275 brcms_c_intrsrestore(wl
->wlc
, macintmask
);
1276 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
1280 * precondition: perimeter lock has been acquired
1282 int brcms_up(struct brcms_info
*wl
)
1289 error
= brcms_c_up(wl
->wlc
);
1295 * precondition: perimeter lock has been acquired
1297 void brcms_down(struct brcms_info
*wl
)
1299 uint callbacks
, ret_val
= 0;
1301 /* call common down function */
1302 ret_val
= brcms_c_down(wl
->wlc
);
1303 callbacks
= atomic_read(&wl
->callbacks
) - ret_val
;
1305 /* wait for down callbacks to complete */
1306 spin_unlock_bh(&wl
->lock
);
1308 /* For HIGH_only driver, it's important to actually schedule other work,
1309 * not just spin wait since everything runs at schedule level
1311 SPINWAIT((atomic_read(&wl
->callbacks
) > callbacks
), 100 * 1000);
1313 spin_lock_bh(&wl
->lock
);
1317 * precondition: perimeter lock is not acquired
1319 static void _brcms_timer(struct work_struct
*work
)
1321 struct brcms_timer
*t
= container_of(work
, struct brcms_timer
,
1324 spin_lock_bh(&t
->wl
->lock
);
1328 atomic_inc(&t
->wl
->callbacks
);
1329 ieee80211_queue_delayed_work(t
->wl
->pub
->ieee_hw
,
1331 msecs_to_jiffies(t
->ms
));
1339 atomic_dec(&t
->wl
->callbacks
);
1341 spin_unlock_bh(&t
->wl
->lock
);
1345 * Adds a timer to the list. Caller supplies a timer function.
1346 * Is called from wlc.
1348 * precondition: perimeter lock has been acquired
1350 struct brcms_timer
*brcms_init_timer(struct brcms_info
*wl
,
1351 void (*fn
) (void *arg
),
1352 void *arg
, const char *name
)
1354 struct brcms_timer
*t
;
1356 t
= kzalloc(sizeof(struct brcms_timer
), GFP_ATOMIC
);
1360 INIT_DELAYED_WORK(&t
->dly_wrk
, _brcms_timer
);
1364 t
->next
= wl
->timers
;
1368 t
->name
= kmalloc(strlen(name
) + 1, GFP_ATOMIC
);
1370 strcpy(t
->name
, name
);
1377 * adds only the kernel timer since it's going to be more accurate
1378 * as well as it's easier to make it periodic
1380 * precondition: perimeter lock has been acquired
1382 void brcms_add_timer(struct brcms_timer
*t
, uint ms
, int periodic
)
1384 struct ieee80211_hw
*hw
= t
->wl
->pub
->ieee_hw
;
1388 wiphy_err(hw
->wiphy
, "%s: Already set. Name: %s, per %d\n",
1389 __func__
, t
->name
, periodic
);
1392 t
->periodic
= (bool) periodic
;
1395 atomic_inc(&t
->wl
->callbacks
);
1397 ieee80211_queue_delayed_work(hw
, &t
->dly_wrk
, msecs_to_jiffies(ms
));
1401 * return true if timer successfully deleted, false if still pending
1403 * precondition: perimeter lock has been acquired
1405 bool brcms_del_timer(struct brcms_timer
*t
)
1409 if (!cancel_delayed_work(&t
->dly_wrk
))
1412 atomic_dec(&t
->wl
->callbacks
);
1419 * precondition: perimeter lock has been acquired
1421 void brcms_free_timer(struct brcms_timer
*t
)
1423 struct brcms_info
*wl
= t
->wl
;
1424 struct brcms_timer
*tmp
;
1426 /* delete the timer in case it is active */
1429 if (wl
->timers
== t
) {
1430 wl
->timers
= wl
->timers
->next
;
1441 if (tmp
->next
== t
) {
1442 tmp
->next
= t
->next
;
1455 * precondition: perimeter lock has been acquired
1457 int brcms_ucode_init_buf(struct brcms_info
*wl
, void **pbuf
, u32 idx
)
1461 struct firmware_hdr
*hdr
;
1462 for (i
= 0; i
< wl
->fw
.fw_cnt
; i
++) {
1463 hdr
= (struct firmware_hdr
*)wl
->fw
.fw_hdr
[i
]->data
;
1464 for (entry
= 0; entry
< wl
->fw
.hdr_num_entries
[i
];
1466 u32 len
= le32_to_cpu(hdr
->len
);
1467 if (le32_to_cpu(hdr
->idx
) == idx
) {
1468 pdata
= wl
->fw
.fw_bin
[i
]->data
+
1469 le32_to_cpu(hdr
->offset
);
1470 *pbuf
= kmemdup(pdata
, len
, GFP_ATOMIC
);
1478 wiphy_err(wl
->wiphy
, "ERROR: ucode buf tag:%d can not be found!\n",
1486 * Precondition: Since this function is called in brcms_bcma_probe() context,
1487 * no locking is required.
1489 int brcms_ucode_init_uint(struct brcms_info
*wl
, size_t *n_bytes
, u32 idx
)
1493 struct firmware_hdr
*hdr
;
1494 for (i
= 0; i
< wl
->fw
.fw_cnt
; i
++) {
1495 hdr
= (struct firmware_hdr
*)wl
->fw
.fw_hdr
[i
]->data
;
1496 for (entry
= 0; entry
< wl
->fw
.hdr_num_entries
[i
];
1498 if (le32_to_cpu(hdr
->idx
) == idx
) {
1499 pdata
= wl
->fw
.fw_bin
[i
]->data
+
1500 le32_to_cpu(hdr
->offset
);
1501 if (le32_to_cpu(hdr
->len
) != 4) {
1502 wiphy_err(wl
->wiphy
,
1503 "ERROR: fw hdr len\n");
1506 *n_bytes
= le32_to_cpu(*((__le32
*) pdata
));
1511 wiphy_err(wl
->wiphy
, "ERROR: ucode tag:%d can not be found!\n", idx
);
1516 * precondition: can both be called locked and unlocked
1518 void brcms_ucode_free_buf(void *p
)
1524 * checks validity of all firmware images loaded from user space
1526 * Precondition: Since this function is called in brcms_bcma_probe() context,
1527 * no locking is required.
1529 int brcms_check_firmwares(struct brcms_info
*wl
)
1534 const struct firmware
*fw
;
1535 const struct firmware
*fw_hdr
;
1536 struct firmware_hdr
*ucode_hdr
;
1537 for (i
= 0; i
< MAX_FW_IMAGES
&& rc
== 0; i
++) {
1538 fw
= wl
->fw
.fw_bin
[i
];
1539 fw_hdr
= wl
->fw
.fw_hdr
[i
];
1540 if (fw
== NULL
&& fw_hdr
== NULL
) {
1542 } else if (fw
== NULL
|| fw_hdr
== NULL
) {
1543 wiphy_err(wl
->wiphy
, "%s: invalid bin/hdr fw\n",
1546 } else if (fw_hdr
->size
% sizeof(struct firmware_hdr
)) {
1547 wiphy_err(wl
->wiphy
, "%s: non integral fw hdr file "
1548 "size %zu/%zu\n", __func__
, fw_hdr
->size
,
1549 sizeof(struct firmware_hdr
));
1551 } else if (fw
->size
< MIN_FW_SIZE
|| fw
->size
> MAX_FW_SIZE
) {
1552 wiphy_err(wl
->wiphy
, "%s: out of bounds fw file size "
1553 "%zu\n", __func__
, fw
->size
);
1556 /* check if ucode section overruns firmware image */
1557 ucode_hdr
= (struct firmware_hdr
*)fw_hdr
->data
;
1558 for (entry
= 0; entry
< wl
->fw
.hdr_num_entries
[i
] &&
1559 !rc
; entry
++, ucode_hdr
++) {
1560 if (le32_to_cpu(ucode_hdr
->offset
) +
1561 le32_to_cpu(ucode_hdr
->len
) >
1563 wiphy_err(wl
->wiphy
,
1564 "%s: conflicting bin/hdr\n",
1571 if (rc
== 0 && wl
->fw
.fw_cnt
!= i
) {
1572 wiphy_err(wl
->wiphy
, "%s: invalid fw_cnt=%d\n", __func__
,
1580 * precondition: perimeter lock has been acquired
1582 bool brcms_rfkill_set_hw_state(struct brcms_info
*wl
)
1584 bool blocked
= brcms_c_check_radio_disabled(wl
->wlc
);
1586 spin_unlock_bh(&wl
->lock
);
1587 wiphy_rfkill_set_hw_state(wl
->pub
->ieee_hw
->wiphy
, blocked
);
1589 wiphy_rfkill_start_polling(wl
->pub
->ieee_hw
->wiphy
);
1590 spin_lock_bh(&wl
->lock
);
1595 * precondition: perimeter lock has been acquired
1597 void brcms_msleep(struct brcms_info
*wl
, uint ms
)
1599 spin_unlock_bh(&wl
->lock
);
1601 spin_lock_bh(&wl
->lock
);