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>
29 #include "phy/phy_int.h"
34 #include "ucode_loader.h"
35 #include "mac80211_if.h"
38 #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */
40 /* Flags we support */
41 #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
46 FIF_BCN_PRBRESP_PROMISC | \
49 #define CHAN2GHZ(channel, freqency, chflags) { \
50 .band = IEEE80211_BAND_2GHZ, \
51 .center_freq = (freqency), \
52 .hw_value = (channel), \
54 .max_antenna_gain = 0, \
58 #define CHAN5GHZ(channel, chflags) { \
59 .band = IEEE80211_BAND_5GHZ, \
60 .center_freq = 5000 + 5*(channel), \
61 .hw_value = (channel), \
63 .max_antenna_gain = 0, \
67 #define RATE(rate100m, _flags) { \
68 .bitrate = (rate100m), \
70 .hw_value = (rate100m / 5), \
79 static const char * const brcms_firmwares
[MAX_FW_IMAGES
] = {
84 static int n_adapters_found
;
86 MODULE_AUTHOR("Broadcom Corporation");
87 MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
88 MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
89 MODULE_LICENSE("Dual BSD/GPL");
92 /* recognized BCMA Core IDs */
93 static struct bcma_device_id brcms_coreid_table
[] = {
94 BCMA_CORE(BCMA_MANUF_BCM
, BCMA_CORE_80211
, 23, BCMA_ANY_CLASS
),
95 BCMA_CORE(BCMA_MANUF_BCM
, BCMA_CORE_80211
, 24, BCMA_ANY_CLASS
),
98 MODULE_DEVICE_TABLE(bcma
, brcms_coreid_table
);
101 static int msglevel
= 0xdeadbeef;
102 module_param(msglevel
, int, 0);
105 static struct ieee80211_channel brcms_2ghz_chantable
[] = {
106 CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS
),
107 CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS
),
108 CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS
),
109 CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS
),
110 CHAN2GHZ(5, 2432, 0),
111 CHAN2GHZ(6, 2437, 0),
112 CHAN2GHZ(7, 2442, 0),
113 CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS
),
114 CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS
),
115 CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS
),
116 CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS
),
118 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_IBSS
|
119 IEEE80211_CHAN_NO_HT40PLUS
),
121 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_IBSS
|
122 IEEE80211_CHAN_NO_HT40PLUS
),
124 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_IBSS
|
125 IEEE80211_CHAN_NO_HT40PLUS
| IEEE80211_CHAN_NO_HT40MINUS
)
128 static struct ieee80211_channel brcms_5ghz_nphy_chantable
[] = {
130 CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS
),
131 CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS
),
132 CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS
),
133 CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS
),
136 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
137 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
139 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
140 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
142 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
143 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
145 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
146 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
149 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
150 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
152 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
153 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
155 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
156 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
158 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
159 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
161 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
162 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
164 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
165 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
167 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
168 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
170 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
171 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
173 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
174 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40MINUS
),
176 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
177 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
),
179 IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS
|
180 IEEE80211_CHAN_PASSIVE_SCAN
| IEEE80211_CHAN_NO_HT40PLUS
|
181 IEEE80211_CHAN_NO_HT40MINUS
),
183 CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS
),
184 CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS
),
185 CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS
),
186 CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS
),
187 CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS
| IEEE80211_CHAN_NO_HT40MINUS
)
191 * The rate table is used for both 2.4G and 5G rates. The
192 * latter being a subset as it does not support CCK rates.
194 static struct ieee80211_rate legacy_ratetable
[] = {
196 RATE(20, IEEE80211_RATE_SHORT_PREAMBLE
),
197 RATE(55, IEEE80211_RATE_SHORT_PREAMBLE
),
198 RATE(110, IEEE80211_RATE_SHORT_PREAMBLE
),
209 static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template
= {
210 .band
= IEEE80211_BAND_2GHZ
,
211 .channels
= brcms_2ghz_chantable
,
212 .n_channels
= ARRAY_SIZE(brcms_2ghz_chantable
),
213 .bitrates
= legacy_ratetable
,
214 .n_bitrates
= ARRAY_SIZE(legacy_ratetable
),
216 /* from include/linux/ieee80211.h */
217 .cap
= IEEE80211_HT_CAP_GRN_FLD
|
218 IEEE80211_HT_CAP_SGI_20
| IEEE80211_HT_CAP_SGI_40
,
219 .ht_supported
= true,
220 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
,
221 .ampdu_density
= AMPDU_DEF_MPDU_DENSITY
,
223 /* placeholders for now */
224 .rx_mask
= {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
225 .rx_highest
= cpu_to_le16(500),
226 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
}
230 static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template
= {
231 .band
= IEEE80211_BAND_5GHZ
,
232 .channels
= brcms_5ghz_nphy_chantable
,
233 .n_channels
= ARRAY_SIZE(brcms_5ghz_nphy_chantable
),
234 .bitrates
= legacy_ratetable
+ BRCMS_LEGACY_5G_RATE_OFFSET
,
235 .n_bitrates
= ARRAY_SIZE(legacy_ratetable
) -
236 BRCMS_LEGACY_5G_RATE_OFFSET
,
238 .cap
= IEEE80211_HT_CAP_GRN_FLD
| IEEE80211_HT_CAP_SGI_20
|
239 IEEE80211_HT_CAP_SGI_40
,
240 .ht_supported
= true,
241 .ampdu_factor
= IEEE80211_HT_MAX_AMPDU_64K
,
242 .ampdu_density
= AMPDU_DEF_MPDU_DENSITY
,
244 /* placeholders for now */
245 .rx_mask
= {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
246 .rx_highest
= cpu_to_le16(500),
247 .tx_params
= IEEE80211_HT_MCS_TX_DEFINED
}
251 /* flags the given rate in rateset as requested */
252 static void brcms_set_basic_rate(struct brcm_rateset
*rs
, u16 rate
, bool is_br
)
256 for (i
= 0; i
< rs
->count
; i
++) {
257 if (rate
!= (rs
->rates
[i
] & 0x7f))
261 rs
->rates
[i
] |= BRCMS_RATE_FLAG
;
263 rs
->rates
[i
] &= BRCMS_RATE_MASK
;
268 static void brcms_ops_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
270 struct brcms_info
*wl
= hw
->priv
;
272 spin_lock_bh(&wl
->lock
);
274 wiphy_err(wl
->wiphy
, "ops->tx called while down\n");
278 brcms_c_sendpkt_mac80211(wl
->wlc
, skb
, hw
);
280 spin_unlock_bh(&wl
->lock
);
283 static int brcms_ops_start(struct ieee80211_hw
*hw
)
285 struct brcms_info
*wl
= hw
->priv
;
289 ieee80211_wake_queues(hw
);
290 spin_lock_bh(&wl
->lock
);
291 blocked
= brcms_rfkill_set_hw_state(wl
);
292 spin_unlock_bh(&wl
->lock
);
294 wiphy_rfkill_stop_polling(wl
->pub
->ieee_hw
->wiphy
);
296 spin_lock_bh(&wl
->lock
);
297 /* avoid acknowledging frames before a non-monitor device is added */
304 spin_unlock_bh(&wl
->lock
);
307 wiphy_err(hw
->wiphy
, "%s: brcms_up() returned %d\n", __func__
,
312 static void brcms_ops_stop(struct ieee80211_hw
*hw
)
314 struct brcms_info
*wl
= hw
->priv
;
317 ieee80211_stop_queues(hw
);
322 spin_lock_bh(&wl
->lock
);
323 status
= brcms_c_chipmatch(wl
->wlc
->hw
->vendorid
,
324 wl
->wlc
->hw
->deviceid
);
325 spin_unlock_bh(&wl
->lock
);
328 "wl: brcms_ops_stop: chipmatch failed\n");
332 /* put driver in down state */
333 spin_lock_bh(&wl
->lock
);
335 spin_unlock_bh(&wl
->lock
);
339 brcms_ops_add_interface(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
)
341 struct brcms_info
*wl
= hw
->priv
;
343 /* Just STA for now */
344 if (vif
->type
!= NL80211_IFTYPE_STATION
) {
345 wiphy_err(hw
->wiphy
, "%s: Attempt to add type %d, only"
346 " STA for now\n", __func__
, vif
->type
);
351 brcms_c_mute(wl
->wlc
, false);
357 brcms_ops_remove_interface(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
)
361 static int brcms_ops_config(struct ieee80211_hw
*hw
, u32 changed
)
363 struct ieee80211_conf
*conf
= &hw
->conf
;
364 struct brcms_info
*wl
= hw
->priv
;
367 struct wiphy
*wiphy
= hw
->wiphy
;
369 spin_lock_bh(&wl
->lock
);
370 if (changed
& IEEE80211_CONF_CHANGE_LISTEN_INTERVAL
) {
371 brcms_c_set_beacon_listen_interval(wl
->wlc
,
372 conf
->listen_interval
);
374 if (changed
& IEEE80211_CONF_CHANGE_MONITOR
)
375 wiphy_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
,
726 * is called in brcms_bcma_probe() context, therefore no locking required.
728 static int brcms_set_hint(struct brcms_info
*wl
, char *abbrev
)
730 return regulatory_hint(wl
->pub
->ieee_hw
->wiphy
, abbrev
);
733 void brcms_dpc(unsigned long data
)
735 struct brcms_info
*wl
;
737 wl
= (struct brcms_info
*) data
;
739 spin_lock_bh(&wl
->lock
);
741 /* call the common second level interrupt handler */
746 spin_lock_irqsave(&wl
->isr_lock
, flags
);
747 brcms_c_intrsupd(wl
->wlc
);
748 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
751 wl
->resched
= brcms_c_dpc(wl
->wlc
, true);
754 /* brcms_c_dpc() may bring the driver down */
758 /* re-schedule dpc */
760 tasklet_schedule(&wl
->tasklet
);
762 /* re-enable interrupts */
766 spin_unlock_bh(&wl
->lock
);
770 * Precondition: Since this function is called in brcms_pci_probe() context,
771 * no locking is required.
773 static int brcms_request_fw(struct brcms_info
*wl
, struct pci_dev
*pdev
)
776 struct device
*device
= &pdev
->dev
;
780 memset(&wl
->fw
, 0, sizeof(struct brcms_firmware
));
781 for (i
= 0; i
< MAX_FW_IMAGES
; i
++) {
782 if (brcms_firmwares
[i
] == NULL
)
784 sprintf(fw_name
, "%s-%d.fw", brcms_firmwares
[i
],
785 UCODE_LOADER_API_VER
);
786 status
= request_firmware(&wl
->fw
.fw_bin
[i
], fw_name
, device
);
788 wiphy_err(wl
->wiphy
, "%s: fail to load firmware %s\n",
789 KBUILD_MODNAME
, fw_name
);
792 sprintf(fw_name
, "%s_hdr-%d.fw", brcms_firmwares
[i
],
793 UCODE_LOADER_API_VER
);
794 status
= request_firmware(&wl
->fw
.fw_hdr
[i
], fw_name
, device
);
796 wiphy_err(wl
->wiphy
, "%s: fail to load firmware %s\n",
797 KBUILD_MODNAME
, fw_name
);
800 wl
->fw
.hdr_num_entries
[i
] =
801 wl
->fw
.fw_hdr
[i
]->size
/ (sizeof(struct firmware_hdr
));
804 return brcms_ucode_data_init(wl
, &wl
->ucode
);
808 * Precondition: Since this function is called in brcms_pci_probe() context,
809 * no locking is required.
811 static void brcms_release_fw(struct brcms_info
*wl
)
814 for (i
= 0; i
< MAX_FW_IMAGES
; i
++) {
815 release_firmware(wl
->fw
.fw_bin
[i
]);
816 release_firmware(wl
->fw
.fw_hdr
[i
]);
821 * This function frees the WL per-device resources.
823 * This function frees resources owned by the WL device pointed to
824 * by the wl parameter.
826 * precondition: can both be called locked and unlocked
829 static void brcms_free(struct brcms_info
*wl
)
831 struct brcms_timer
*t
, *next
;
833 /* free ucode data */
835 brcms_ucode_data_free(&wl
->ucode
);
837 free_irq(wl
->irq
, wl
);
840 tasklet_kill(&wl
->tasklet
);
843 brcms_c_module_unregister(wl
->pub
, "linux", wl
);
845 /* free common resources */
847 brcms_c_detach(wl
->wlc
);
852 /* virtual interface deletion is deferred so we cannot spinwait */
854 /* wait for all pending callbacks to complete */
855 while (atomic_read(&wl
->callbacks
) > 0)
859 for (t
= wl
->timers
; t
; t
= next
) {
869 * called from both kernel as from this kernel module (error flow on attach)
870 * precondition: perimeter lock is not acquired.
872 static void brcms_remove(struct bcma_device
*pdev
)
874 struct ieee80211_hw
*hw
= bcma_get_drvdata(pdev
);
875 struct brcms_info
*wl
= hw
->priv
;
878 wiphy_rfkill_set_hw_state(wl
->pub
->ieee_hw
->wiphy
, false);
879 wiphy_rfkill_stop_polling(wl
->pub
->ieee_hw
->wiphy
);
880 ieee80211_unregister_hw(hw
);
885 bcma_set_drvdata(pdev
, NULL
);
886 ieee80211_free_hw(hw
);
889 static irqreturn_t
brcms_isr(int irq
, void *dev_id
)
891 struct brcms_info
*wl
;
894 wl
= (struct brcms_info
*) dev_id
;
896 spin_lock(&wl
->isr_lock
);
898 /* call common first level interrupt handler */
899 ours
= brcms_c_isr(wl
->wlc
, &wantdpc
);
901 /* if more to do... */
904 /* ...and call the second level interrupt handler */
906 tasklet_schedule(&wl
->tasklet
);
910 spin_unlock(&wl
->isr_lock
);
912 return IRQ_RETVAL(ours
);
916 * is called in brcms_pci_probe() context, therefore no locking required.
918 static int ieee_hw_rate_init(struct ieee80211_hw
*hw
)
920 struct brcms_info
*wl
= hw
->priv
;
921 struct brcms_c_info
*wlc
= wl
->wlc
;
922 struct ieee80211_supported_band
*band
;
926 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = NULL
;
927 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = NULL
;
929 phy_type
= brcms_c_get_phy_type(wl
->wlc
, 0);
930 if (phy_type
== PHY_TYPE_N
|| phy_type
== PHY_TYPE_LCN
) {
931 band
= &wlc
->bandstate
[BAND_2G_INDEX
]->band
;
932 *band
= brcms_band_2GHz_nphy_template
;
933 if (phy_type
== PHY_TYPE_LCN
) {
935 band
->ht_cap
.mcs
.rx_mask
[1] = 0;
936 band
->ht_cap
.mcs
.rx_highest
= cpu_to_le16(72);
938 hw
->wiphy
->bands
[IEEE80211_BAND_2GHZ
] = band
;
943 /* Assume all bands use the same phy. True for 11n devices. */
944 if (wl
->pub
->_nbands
> 1) {
946 if (phy_type
== PHY_TYPE_N
|| phy_type
== PHY_TYPE_LCN
) {
947 band
= &wlc
->bandstate
[BAND_5G_INDEX
]->band
;
948 *band
= brcms_band_5GHz_nphy_template
;
949 hw
->wiphy
->bands
[IEEE80211_BAND_5GHZ
] = band
;
958 * is called in brcms_pci_probe() context, therefore no locking required.
960 static int ieee_hw_init(struct ieee80211_hw
*hw
)
962 hw
->flags
= IEEE80211_HW_SIGNAL_DBM
963 /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
964 | IEEE80211_HW_REPORTS_TX_ACK_STATUS
965 | IEEE80211_HW_AMPDU_AGGREGATION
;
967 hw
->extra_tx_headroom
= brcms_c_get_header_len();
968 hw
->queues
= N_TX_QUEUES
;
969 hw
->max_rates
= 2; /* Primary rate and 1 fallback rate */
971 /* channel change time is dependent on chip and band */
972 hw
->channel_change_time
= 7 * 1000;
973 hw
->wiphy
->interface_modes
= BIT(NL80211_IFTYPE_STATION
);
975 hw
->rate_control_algorithm
= "minstrel_ht";
977 hw
->sta_data_size
= 0;
978 return ieee_hw_rate_init(hw
);
982 * attach to the WL device.
984 * Attach to the WL device identified by vendor and device parameters.
985 * regs is a host accessible memory address pointing to WL device registers.
987 * brcms_attach is not defined as static because in the case where no bus
988 * is defined, wl_attach will never be called, and thus, gcc will issue
989 * a warning that this function is defined but not used if we declare
993 * is called in brcms_bcma_probe() context, therefore no locking required.
995 static struct brcms_info
*brcms_attach(struct bcma_device
*pdev
)
997 struct brcms_info
*wl
= NULL
;
999 struct ieee80211_hw
*hw
;
1002 unit
= n_adapters_found
;
1008 /* allocate private info */
1009 hw
= bcma_get_drvdata(pdev
);
1012 if (WARN_ON(hw
== NULL
) || WARN_ON(wl
== NULL
))
1014 wl
->wiphy
= hw
->wiphy
;
1016 atomic_set(&wl
->callbacks
, 0);
1018 /* setup the bottom half handler */
1019 tasklet_init(&wl
->tasklet
, brcms_dpc
, (unsigned long) wl
);
1021 spin_lock_init(&wl
->lock
);
1022 spin_lock_init(&wl
->isr_lock
);
1025 if (brcms_request_fw(wl
, pdev
->bus
->host_pci
) < 0) {
1026 wiphy_err(wl
->wiphy
, "%s: Failed to find firmware usually in "
1027 "%s\n", KBUILD_MODNAME
, "/lib/firmware/brcm");
1028 brcms_release_fw(wl
);
1033 /* common load-time initialization */
1034 wl
->wlc
= brcms_c_attach((void *)wl
, pdev
, unit
, false, &err
);
1035 brcms_release_fw(wl
);
1037 wiphy_err(wl
->wiphy
, "%s: attach() failed with code %d\n",
1038 KBUILD_MODNAME
, err
);
1041 wl
->pub
= brcms_c_pub(wl
->wlc
);
1043 wl
->pub
->ieee_hw
= hw
;
1045 /* register our interrupt handler */
1046 if (request_irq(pdev
->bus
->host_pci
->irq
, brcms_isr
,
1047 IRQF_SHARED
, KBUILD_MODNAME
, wl
)) {
1048 wiphy_err(wl
->wiphy
, "wl%d: request_irq() failed\n", unit
);
1051 wl
->irq
= pdev
->bus
->host_pci
->irq
;
1053 /* register module */
1054 brcms_c_module_register(wl
->pub
, "linux", wl
, NULL
);
1056 if (ieee_hw_init(hw
)) {
1057 wiphy_err(wl
->wiphy
, "wl%d: %s: ieee_hw_init failed!\n", unit
,
1062 memcpy(perm
, &wl
->pub
->cur_etheraddr
, ETH_ALEN
);
1063 if (WARN_ON(!is_valid_ether_addr(perm
)))
1065 SET_IEEE80211_PERM_ADDR(hw
, perm
);
1067 err
= ieee80211_register_hw(hw
);
1069 wiphy_err(wl
->wiphy
, "%s: ieee80211_register_hw failed, status"
1070 "%d\n", __func__
, err
);
1072 if (wl
->pub
->srom_ccode
[0] && brcms_set_hint(wl
, wl
->pub
->srom_ccode
))
1073 wiphy_err(wl
->wiphy
, "%s: regulatory_hint failed, status %d\n",
1087 * determines if a device is a WL device, and if so, attaches it.
1089 * This function determines if a device pointed to by pdev is a WL device,
1090 * and if so, performs a brcms_attach() on it.
1092 * Perimeter lock is initialized in the course of this function.
1094 static int __devinit
brcms_bcma_probe(struct bcma_device
*pdev
)
1096 struct brcms_info
*wl
;
1097 struct ieee80211_hw
*hw
;
1099 dev_info(&pdev
->dev
, "mfg %x core %x rev %d class %d irq %d\n",
1100 pdev
->id
.manuf
, pdev
->id
.id
, pdev
->id
.rev
, pdev
->id
.class,
1101 pdev
->bus
->host_pci
->irq
);
1103 if ((pdev
->id
.manuf
!= BCMA_MANUF_BCM
) ||
1104 (pdev
->id
.id
!= BCMA_CORE_80211
))
1107 hw
= ieee80211_alloc_hw(sizeof(struct brcms_info
), &brcms_ops
);
1109 pr_err("%s: ieee80211_alloc_hw failed\n", __func__
);
1113 SET_IEEE80211_DEV(hw
, &pdev
->dev
);
1115 bcma_set_drvdata(pdev
, hw
);
1117 memset(hw
->priv
, 0, sizeof(*wl
));
1119 wl
= brcms_attach(pdev
);
1121 pr_err("%s: brcms_attach failed!\n", __func__
);
1127 static int brcms_suspend(struct bcma_device
*pdev
)
1129 struct brcms_info
*wl
;
1130 struct ieee80211_hw
*hw
;
1132 hw
= bcma_get_drvdata(pdev
);
1135 pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME
,
1140 /* only need to flag hw is down for proper resume */
1141 spin_lock_bh(&wl
->lock
);
1142 wl
->pub
->hw_up
= false;
1143 spin_unlock_bh(&wl
->lock
);
1145 pr_debug("brcms_suspend ok\n");
1150 static int brcms_resume(struct bcma_device
*pdev
)
1152 pr_debug("brcms_resume ok\n");
1156 static struct bcma_driver brcms_bcma_driver
= {
1157 .name
= KBUILD_MODNAME
,
1158 .probe
= brcms_bcma_probe
,
1159 .suspend
= brcms_suspend
,
1160 .resume
= brcms_resume
,
1161 .remove
= __devexit_p(brcms_remove
),
1162 .id_table
= brcms_coreid_table
,
1166 * This is the main entry point for the brcmsmac driver.
1168 * This function is scheduled upon module initialization and
1169 * does the driver registration, which result in brcms_bcma_probe()
1170 * call resulting in the driver bringup.
1172 static void brcms_driver_init(struct work_struct
*work
)
1176 error
= bcma_driver_register(&brcms_bcma_driver
);
1178 pr_err("%s: register returned %d\n", __func__
, error
);
1181 static DECLARE_WORK(brcms_driver_work
, brcms_driver_init
);
1183 static int __init
brcms_module_init(void)
1186 if (msglevel
!= 0xdeadbeef)
1187 brcm_msg_level
= msglevel
;
1189 if (!schedule_work(&brcms_driver_work
))
1196 * This function unloads the brcmsmac driver from the system.
1198 * This function unconditionally unloads the brcmsmac driver module from the
1202 static void __exit
brcms_module_exit(void)
1204 cancel_work_sync(&brcms_driver_work
);
1205 bcma_driver_unregister(&brcms_bcma_driver
);
1208 module_init(brcms_module_init
);
1209 module_exit(brcms_module_exit
);
1212 * precondition: perimeter lock has been acquired
1214 void brcms_txflowcontrol(struct brcms_info
*wl
, struct brcms_if
*wlif
,
1215 bool state
, int prio
)
1217 wiphy_err(wl
->wiphy
, "Shouldn't be here %s\n", __func__
);
1221 * precondition: perimeter lock has been acquired
1223 void brcms_init(struct brcms_info
*wl
)
1225 BCMMSG(wl
->pub
->ieee_hw
->wiphy
, "wl%d\n", wl
->pub
->unit
);
1227 brcms_c_init(wl
->wlc
, wl
->mute_tx
);
1231 * precondition: perimeter lock has been acquired
1233 uint
brcms_reset(struct brcms_info
*wl
)
1235 BCMMSG(wl
->pub
->ieee_hw
->wiphy
, "wl%d\n", wl
->pub
->unit
);
1236 brcms_c_reset(wl
->wlc
);
1238 /* dpc will not be rescheduled */
1239 wl
->resched
= false;
1244 void brcms_fatal_error(struct brcms_info
*wl
)
1246 wiphy_err(wl
->wlc
->wiphy
, "wl%d: fatal error, reinitializing\n",
1247 wl
->wlc
->pub
->unit
);
1249 ieee80211_restart_hw(wl
->pub
->ieee_hw
);
1253 * These are interrupt on/off entry points. Disable interrupts
1254 * during interrupt state transition.
1256 void brcms_intrson(struct brcms_info
*wl
)
1258 unsigned long flags
;
1260 spin_lock_irqsave(&wl
->isr_lock
, flags
);
1261 brcms_c_intrson(wl
->wlc
);
1262 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
1265 u32
brcms_intrsoff(struct brcms_info
*wl
)
1267 unsigned long flags
;
1270 spin_lock_irqsave(&wl
->isr_lock
, flags
);
1271 status
= brcms_c_intrsoff(wl
->wlc
);
1272 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
1276 void brcms_intrsrestore(struct brcms_info
*wl
, u32 macintmask
)
1278 unsigned long flags
;
1280 spin_lock_irqsave(&wl
->isr_lock
, flags
);
1281 brcms_c_intrsrestore(wl
->wlc
, macintmask
);
1282 spin_unlock_irqrestore(&wl
->isr_lock
, flags
);
1286 * precondition: perimeter lock has been acquired
1288 int brcms_up(struct brcms_info
*wl
)
1295 error
= brcms_c_up(wl
->wlc
);
1301 * precondition: perimeter lock has been acquired
1303 void brcms_down(struct brcms_info
*wl
)
1305 uint callbacks
, ret_val
= 0;
1307 /* call common down function */
1308 ret_val
= brcms_c_down(wl
->wlc
);
1309 callbacks
= atomic_read(&wl
->callbacks
) - ret_val
;
1311 /* wait for down callbacks to complete */
1312 spin_unlock_bh(&wl
->lock
);
1314 /* For HIGH_only driver, it's important to actually schedule other work,
1315 * not just spin wait since everything runs at schedule level
1317 SPINWAIT((atomic_read(&wl
->callbacks
) > callbacks
), 100 * 1000);
1319 spin_lock_bh(&wl
->lock
);
1323 * precondition: perimeter lock is not acquired
1325 static void _brcms_timer(struct work_struct
*work
)
1327 struct brcms_timer
*t
= container_of(work
, struct brcms_timer
,
1330 spin_lock_bh(&t
->wl
->lock
);
1334 atomic_inc(&t
->wl
->callbacks
);
1335 ieee80211_queue_delayed_work(t
->wl
->pub
->ieee_hw
,
1337 msecs_to_jiffies(t
->ms
));
1345 atomic_dec(&t
->wl
->callbacks
);
1347 spin_unlock_bh(&t
->wl
->lock
);
1351 * Adds a timer to the list. Caller supplies a timer function.
1352 * Is called from wlc.
1354 * precondition: perimeter lock has been acquired
1356 struct brcms_timer
*brcms_init_timer(struct brcms_info
*wl
,
1357 void (*fn
) (void *arg
),
1358 void *arg
, const char *name
)
1360 struct brcms_timer
*t
;
1362 t
= kzalloc(sizeof(struct brcms_timer
), GFP_ATOMIC
);
1366 INIT_DELAYED_WORK(&t
->dly_wrk
, _brcms_timer
);
1370 t
->next
= wl
->timers
;
1374 t
->name
= kmalloc(strlen(name
) + 1, GFP_ATOMIC
);
1376 strcpy(t
->name
, name
);
1383 * adds only the kernel timer since it's going to be more accurate
1384 * as well as it's easier to make it periodic
1386 * precondition: perimeter lock has been acquired
1388 void brcms_add_timer(struct brcms_timer
*t
, uint ms
, int periodic
)
1390 struct ieee80211_hw
*hw
= t
->wl
->pub
->ieee_hw
;
1394 wiphy_err(hw
->wiphy
, "%s: Already set. Name: %s, per %d\n",
1395 __func__
, t
->name
, periodic
);
1398 t
->periodic
= (bool) periodic
;
1401 atomic_inc(&t
->wl
->callbacks
);
1403 ieee80211_queue_delayed_work(hw
, &t
->dly_wrk
, msecs_to_jiffies(ms
));
1407 * return true if timer successfully deleted, false if still pending
1409 * precondition: perimeter lock has been acquired
1411 bool brcms_del_timer(struct brcms_timer
*t
)
1415 if (!cancel_delayed_work(&t
->dly_wrk
))
1418 atomic_dec(&t
->wl
->callbacks
);
1425 * precondition: perimeter lock has been acquired
1427 void brcms_free_timer(struct brcms_timer
*t
)
1429 struct brcms_info
*wl
= t
->wl
;
1430 struct brcms_timer
*tmp
;
1432 /* delete the timer in case it is active */
1435 if (wl
->timers
== t
) {
1436 wl
->timers
= wl
->timers
->next
;
1447 if (tmp
->next
== t
) {
1448 tmp
->next
= t
->next
;
1461 * precondition: perimeter lock has been acquired
1463 int brcms_ucode_init_buf(struct brcms_info
*wl
, void **pbuf
, u32 idx
)
1467 struct firmware_hdr
*hdr
;
1468 for (i
= 0; i
< wl
->fw
.fw_cnt
; i
++) {
1469 hdr
= (struct firmware_hdr
*)wl
->fw
.fw_hdr
[i
]->data
;
1470 for (entry
= 0; entry
< wl
->fw
.hdr_num_entries
[i
];
1472 u32 len
= le32_to_cpu(hdr
->len
);
1473 if (le32_to_cpu(hdr
->idx
) == idx
) {
1474 pdata
= wl
->fw
.fw_bin
[i
]->data
+
1475 le32_to_cpu(hdr
->offset
);
1476 *pbuf
= kmemdup(pdata
, len
, GFP_ATOMIC
);
1484 wiphy_err(wl
->wiphy
, "ERROR: ucode buf tag:%d can not be found!\n",
1492 * Precondition: Since this function is called in brcms_bcma_probe() context,
1493 * no locking is required.
1495 int brcms_ucode_init_uint(struct brcms_info
*wl
, size_t *n_bytes
, u32 idx
)
1499 struct firmware_hdr
*hdr
;
1500 for (i
= 0; i
< wl
->fw
.fw_cnt
; i
++) {
1501 hdr
= (struct firmware_hdr
*)wl
->fw
.fw_hdr
[i
]->data
;
1502 for (entry
= 0; entry
< wl
->fw
.hdr_num_entries
[i
];
1504 if (le32_to_cpu(hdr
->idx
) == idx
) {
1505 pdata
= wl
->fw
.fw_bin
[i
]->data
+
1506 le32_to_cpu(hdr
->offset
);
1507 if (le32_to_cpu(hdr
->len
) != 4) {
1508 wiphy_err(wl
->wiphy
,
1509 "ERROR: fw hdr len\n");
1512 *n_bytes
= le32_to_cpu(*((__le32
*) pdata
));
1517 wiphy_err(wl
->wiphy
, "ERROR: ucode tag:%d can not be found!\n", idx
);
1522 * precondition: can both be called locked and unlocked
1524 void brcms_ucode_free_buf(void *p
)
1530 * checks validity of all firmware images loaded from user space
1532 * Precondition: Since this function is called in brcms_bcma_probe() context,
1533 * no locking is required.
1535 int brcms_check_firmwares(struct brcms_info
*wl
)
1540 const struct firmware
*fw
;
1541 const struct firmware
*fw_hdr
;
1542 struct firmware_hdr
*ucode_hdr
;
1543 for (i
= 0; i
< MAX_FW_IMAGES
&& rc
== 0; i
++) {
1544 fw
= wl
->fw
.fw_bin
[i
];
1545 fw_hdr
= wl
->fw
.fw_hdr
[i
];
1546 if (fw
== NULL
&& fw_hdr
== NULL
) {
1548 } else if (fw
== NULL
|| fw_hdr
== NULL
) {
1549 wiphy_err(wl
->wiphy
, "%s: invalid bin/hdr fw\n",
1552 } else if (fw_hdr
->size
% sizeof(struct firmware_hdr
)) {
1553 wiphy_err(wl
->wiphy
, "%s: non integral fw hdr file "
1554 "size %zu/%zu\n", __func__
, fw_hdr
->size
,
1555 sizeof(struct firmware_hdr
));
1557 } else if (fw
->size
< MIN_FW_SIZE
|| fw
->size
> MAX_FW_SIZE
) {
1558 wiphy_err(wl
->wiphy
, "%s: out of bounds fw file size "
1559 "%zu\n", __func__
, fw
->size
);
1562 /* check if ucode section overruns firmware image */
1563 ucode_hdr
= (struct firmware_hdr
*)fw_hdr
->data
;
1564 for (entry
= 0; entry
< wl
->fw
.hdr_num_entries
[i
] &&
1565 !rc
; entry
++, ucode_hdr
++) {
1566 if (le32_to_cpu(ucode_hdr
->offset
) +
1567 le32_to_cpu(ucode_hdr
->len
) >
1569 wiphy_err(wl
->wiphy
,
1570 "%s: conflicting bin/hdr\n",
1577 if (rc
== 0 && wl
->fw
.fw_cnt
!= i
) {
1578 wiphy_err(wl
->wiphy
, "%s: invalid fw_cnt=%d\n", __func__
,
1586 * precondition: perimeter lock has been acquired
1588 bool brcms_rfkill_set_hw_state(struct brcms_info
*wl
)
1590 bool blocked
= brcms_c_check_radio_disabled(wl
->wlc
);
1592 spin_unlock_bh(&wl
->lock
);
1593 wiphy_rfkill_set_hw_state(wl
->pub
->ieee_hw
->wiphy
, blocked
);
1595 wiphy_rfkill_start_polling(wl
->pub
->ieee_hw
->wiphy
);
1596 spin_lock_bh(&wl
->lock
);
1601 * precondition: perimeter lock has been acquired
1603 void brcms_msleep(struct brcms_info
*wl
, uint ms
)
1605 spin_unlock_bh(&wl
->lock
);
1607 spin_lock_bh(&wl
->lock
);