2 * Copyright (c) 2008-2009 Atheros Communications Inc.
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
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/slab.h>
21 struct ath9k_vif_iter_data
{
26 static void ath9k_vif_iter(void *data
, u8
*mac
, struct ieee80211_vif
*vif
)
28 struct ath9k_vif_iter_data
*iter_data
= data
;
31 for (i
= 0; i
< ETH_ALEN
; i
++)
32 iter_data
->mask
[i
] &= ~(iter_data
->hw_macaddr
[i
] ^ mac
[i
]);
35 void ath9k_set_bssid_mask(struct ieee80211_hw
*hw
, struct ieee80211_vif
*vif
)
37 struct ath_wiphy
*aphy
= hw
->priv
;
38 struct ath_softc
*sc
= aphy
->sc
;
39 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
40 struct ath9k_vif_iter_data iter_data
;
44 * Use the hardware MAC address as reference, the hardware uses it
45 * together with the BSSID mask when matching addresses.
47 iter_data
.hw_macaddr
= common
->macaddr
;
48 memset(&iter_data
.mask
, 0xff, ETH_ALEN
);
51 ath9k_vif_iter(&iter_data
, vif
->addr
, vif
);
53 /* Get list of all active MAC addresses */
54 spin_lock_bh(&sc
->wiphy_lock
);
55 ieee80211_iterate_active_interfaces_atomic(sc
->hw
, ath9k_vif_iter
,
57 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
58 if (sc
->sec_wiphy
[i
] == NULL
)
60 ieee80211_iterate_active_interfaces_atomic(
61 sc
->sec_wiphy
[i
]->hw
, ath9k_vif_iter
, &iter_data
);
63 spin_unlock_bh(&sc
->wiphy_lock
);
65 memcpy(common
->bssidmask
, iter_data
.mask
, ETH_ALEN
);
66 ath_hw_setbssidmask(common
);
69 int ath9k_wiphy_add(struct ath_softc
*sc
)
72 struct ath_wiphy
*aphy
;
73 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
74 struct ieee80211_hw
*hw
;
77 hw
= ieee80211_alloc_hw(sizeof(struct ath_wiphy
), &ath9k_ops
);
81 spin_lock_bh(&sc
->wiphy_lock
);
82 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
83 if (sc
->sec_wiphy
[i
] == NULL
)
87 if (i
== sc
->num_sec_wiphy
) {
88 /* No empty slot available; increase array length */
90 n
= krealloc(sc
->sec_wiphy
,
91 (sc
->num_sec_wiphy
+ 1) *
92 sizeof(struct ath_wiphy
*),
95 spin_unlock_bh(&sc
->wiphy_lock
);
96 ieee80211_free_hw(hw
);
104 SET_IEEE80211_DEV(hw
, sc
->dev
);
109 sc
->sec_wiphy
[i
] = aphy
;
110 aphy
->last_rssi
= ATH_RSSI_DUMMY_MARKER
;
111 spin_unlock_bh(&sc
->wiphy_lock
);
113 memcpy(addr
, common
->macaddr
, ETH_ALEN
);
114 addr
[0] |= 0x02; /* Locally managed address */
116 * XOR virtual wiphy index into the least significant bits to generate
117 * a different MAC address for each virtual wiphy.
120 addr
[4] ^= (i
& 0xff00) >> 8;
121 addr
[3] ^= (i
& 0xff0000) >> 16;
123 SET_IEEE80211_PERM_ADDR(hw
, addr
);
125 ath9k_set_hw_capab(sc
, hw
);
127 error
= ieee80211_register_hw(hw
);
130 /* Make sure wiphy scheduler is started (if enabled) */
131 ath9k_wiphy_set_scheduler(sc
, sc
->wiphy_scheduler_int
);
137 int ath9k_wiphy_del(struct ath_wiphy
*aphy
)
139 struct ath_softc
*sc
= aphy
->sc
;
142 spin_lock_bh(&sc
->wiphy_lock
);
143 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
144 if (aphy
== sc
->sec_wiphy
[i
]) {
145 sc
->sec_wiphy
[i
] = NULL
;
146 spin_unlock_bh(&sc
->wiphy_lock
);
147 ieee80211_unregister_hw(aphy
->hw
);
148 ieee80211_free_hw(aphy
->hw
);
152 spin_unlock_bh(&sc
->wiphy_lock
);
156 static int ath9k_send_nullfunc(struct ath_wiphy
*aphy
,
157 struct ieee80211_vif
*vif
, const u8
*bssid
,
160 struct ath_softc
*sc
= aphy
->sc
;
161 struct ath_tx_control txctl
;
163 struct ieee80211_hdr
*hdr
;
165 struct ieee80211_tx_info
*info
;
167 skb
= dev_alloc_skb(24);
170 hdr
= (struct ieee80211_hdr
*) skb_put(skb
, 24);
172 fc
= cpu_to_le16(IEEE80211_FTYPE_DATA
| IEEE80211_STYPE_NULLFUNC
|
173 IEEE80211_FCTL_TODS
);
175 fc
|= cpu_to_le16(IEEE80211_FCTL_PM
);
176 hdr
->frame_control
= fc
;
177 memcpy(hdr
->addr1
, bssid
, ETH_ALEN
);
178 memcpy(hdr
->addr2
, aphy
->hw
->wiphy
->perm_addr
, ETH_ALEN
);
179 memcpy(hdr
->addr3
, bssid
, ETH_ALEN
);
181 info
= IEEE80211_SKB_CB(skb
);
182 memset(info
, 0, sizeof(*info
));
183 info
->flags
= IEEE80211_TX_CTL_REQ_TX_STATUS
;
184 info
->control
.vif
= vif
;
185 info
->control
.rates
[0].idx
= 0;
186 info
->control
.rates
[0].count
= 4;
187 info
->control
.rates
[1].idx
= -1;
189 memset(&txctl
, 0, sizeof(struct ath_tx_control
));
190 txctl
.txq
= sc
->tx
.txq_map
[WME_AC_VO
];
191 txctl
.frame_type
= ps
? ATH9K_IFT_PAUSE
: ATH9K_IFT_UNPAUSE
;
193 if (ath_tx_start(aphy
->hw
, skb
, &txctl
) != 0)
198 dev_kfree_skb_any(skb
);
202 static bool __ath9k_wiphy_pausing(struct ath_softc
*sc
)
205 if (sc
->pri_wiphy
->state
== ATH_WIPHY_PAUSING
)
207 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
208 if (sc
->sec_wiphy
[i
] &&
209 sc
->sec_wiphy
[i
]->state
== ATH_WIPHY_PAUSING
)
215 static bool ath9k_wiphy_pausing(struct ath_softc
*sc
)
218 spin_lock_bh(&sc
->wiphy_lock
);
219 ret
= __ath9k_wiphy_pausing(sc
);
220 spin_unlock_bh(&sc
->wiphy_lock
);
224 static bool __ath9k_wiphy_scanning(struct ath_softc
*sc
)
227 if (sc
->pri_wiphy
->state
== ATH_WIPHY_SCAN
)
229 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
230 if (sc
->sec_wiphy
[i
] &&
231 sc
->sec_wiphy
[i
]->state
== ATH_WIPHY_SCAN
)
237 bool ath9k_wiphy_scanning(struct ath_softc
*sc
)
240 spin_lock_bh(&sc
->wiphy_lock
);
241 ret
= __ath9k_wiphy_scanning(sc
);
242 spin_unlock_bh(&sc
->wiphy_lock
);
246 static int __ath9k_wiphy_unpause(struct ath_wiphy
*aphy
);
248 /* caller must hold wiphy_lock */
249 static void __ath9k_wiphy_unpause_ch(struct ath_wiphy
*aphy
)
253 if (aphy
->chan_idx
!= aphy
->sc
->chan_idx
)
254 return; /* wiphy not on the selected channel */
255 __ath9k_wiphy_unpause(aphy
);
258 static void ath9k_wiphy_unpause_channel(struct ath_softc
*sc
)
261 spin_lock_bh(&sc
->wiphy_lock
);
262 __ath9k_wiphy_unpause_ch(sc
->pri_wiphy
);
263 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++)
264 __ath9k_wiphy_unpause_ch(sc
->sec_wiphy
[i
]);
265 spin_unlock_bh(&sc
->wiphy_lock
);
268 void ath9k_wiphy_chan_work(struct work_struct
*work
)
270 struct ath_softc
*sc
= container_of(work
, struct ath_softc
, chan_work
);
271 struct ath_common
*common
= ath9k_hw_common(sc
->sc_ah
);
272 struct ath_wiphy
*aphy
= sc
->next_wiphy
;
278 * All pending interfaces paused; ready to change
282 /* Change channels */
283 mutex_lock(&sc
->mutex
);
284 /* XXX: remove me eventually */
285 ath9k_update_ichannel(sc
, aphy
->hw
,
286 &sc
->sc_ah
->channels
[sc
->chan_idx
]);
288 /* sync hw configuration for hw code */
289 common
->hw
= aphy
->hw
;
291 ath_update_chainmask(sc
, sc
->chan_is_ht
);
292 if (ath_set_channel(sc
, aphy
->hw
,
293 &sc
->sc_ah
->channels
[sc
->chan_idx
]) < 0) {
294 printk(KERN_DEBUG
"ath9k: Failed to set channel for new "
296 mutex_unlock(&sc
->mutex
);
299 mutex_unlock(&sc
->mutex
);
301 ath9k_wiphy_unpause_channel(sc
);
305 * ath9k version of ieee80211_tx_status() for TX frames that are generated
306 * internally in the driver.
308 void ath9k_tx_status(struct ieee80211_hw
*hw
, struct sk_buff
*skb
)
310 struct ath_wiphy
*aphy
= hw
->priv
;
311 struct ieee80211_tx_info
*tx_info
= IEEE80211_SKB_CB(skb
);
313 if ((tx_info
->pad
[0] & ATH_TX_INFO_FRAME_TYPE_PAUSE
) &&
314 aphy
->state
== ATH_WIPHY_PAUSING
) {
315 if (!(tx_info
->flags
& IEEE80211_TX_STAT_ACK
)) {
316 printk(KERN_DEBUG
"ath9k: %s: no ACK for pause "
317 "frame\n", wiphy_name(hw
->wiphy
));
319 * The AP did not reply; ignore this to allow us to
323 aphy
->state
= ATH_WIPHY_PAUSED
;
324 if (!ath9k_wiphy_pausing(aphy
->sc
)) {
326 * Drop from tasklet to work to allow mutex for channel
329 ieee80211_queue_work(aphy
->sc
->hw
,
330 &aphy
->sc
->chan_work
);
337 static void ath9k_mark_paused(struct ath_wiphy
*aphy
)
339 struct ath_softc
*sc
= aphy
->sc
;
340 aphy
->state
= ATH_WIPHY_PAUSED
;
341 if (!__ath9k_wiphy_pausing(sc
))
342 ieee80211_queue_work(sc
->hw
, &sc
->chan_work
);
345 static void ath9k_pause_iter(void *data
, u8
*mac
, struct ieee80211_vif
*vif
)
347 struct ath_wiphy
*aphy
= data
;
348 struct ath_vif
*avp
= (void *) vif
->drv_priv
;
351 case NL80211_IFTYPE_STATION
:
352 if (!vif
->bss_conf
.assoc
) {
353 ath9k_mark_paused(aphy
);
356 /* TODO: could avoid this if already in PS mode */
357 if (ath9k_send_nullfunc(aphy
, vif
, avp
->bssid
, 1)) {
358 printk(KERN_DEBUG
"%s: failed to send PS nullfunc\n",
360 ath9k_mark_paused(aphy
);
363 case NL80211_IFTYPE_AP
:
364 /* Beacon transmission is paused by aphy->state change */
365 ath9k_mark_paused(aphy
);
372 /* caller must hold wiphy_lock */
373 static int __ath9k_wiphy_pause(struct ath_wiphy
*aphy
)
375 ieee80211_stop_queues(aphy
->hw
);
376 aphy
->state
= ATH_WIPHY_PAUSING
;
378 * TODO: handle PAUSING->PAUSED for the case where there are multiple
379 * active vifs (now we do it on the first vif getting ready; should be
382 ieee80211_iterate_active_interfaces_atomic(aphy
->hw
, ath9k_pause_iter
,
387 int ath9k_wiphy_pause(struct ath_wiphy
*aphy
)
390 spin_lock_bh(&aphy
->sc
->wiphy_lock
);
391 ret
= __ath9k_wiphy_pause(aphy
);
392 spin_unlock_bh(&aphy
->sc
->wiphy_lock
);
396 static void ath9k_unpause_iter(void *data
, u8
*mac
, struct ieee80211_vif
*vif
)
398 struct ath_wiphy
*aphy
= data
;
399 struct ath_vif
*avp
= (void *) vif
->drv_priv
;
402 case NL80211_IFTYPE_STATION
:
403 if (!vif
->bss_conf
.assoc
)
405 ath9k_send_nullfunc(aphy
, vif
, avp
->bssid
, 0);
407 case NL80211_IFTYPE_AP
:
408 /* Beacon transmission is re-enabled by aphy->state change */
415 /* caller must hold wiphy_lock */
416 static int __ath9k_wiphy_unpause(struct ath_wiphy
*aphy
)
418 ieee80211_iterate_active_interfaces_atomic(aphy
->hw
,
419 ath9k_unpause_iter
, aphy
);
420 aphy
->state
= ATH_WIPHY_ACTIVE
;
421 ieee80211_wake_queues(aphy
->hw
);
425 int ath9k_wiphy_unpause(struct ath_wiphy
*aphy
)
428 spin_lock_bh(&aphy
->sc
->wiphy_lock
);
429 ret
= __ath9k_wiphy_unpause(aphy
);
430 spin_unlock_bh(&aphy
->sc
->wiphy_lock
);
434 static void __ath9k_wiphy_mark_all_paused(struct ath_softc
*sc
)
437 if (sc
->pri_wiphy
->state
!= ATH_WIPHY_INACTIVE
)
438 sc
->pri_wiphy
->state
= ATH_WIPHY_PAUSED
;
439 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
440 if (sc
->sec_wiphy
[i
] &&
441 sc
->sec_wiphy
[i
]->state
!= ATH_WIPHY_INACTIVE
)
442 sc
->sec_wiphy
[i
]->state
= ATH_WIPHY_PAUSED
;
446 /* caller must hold wiphy_lock */
447 static void __ath9k_wiphy_pause_all(struct ath_softc
*sc
)
450 if (sc
->pri_wiphy
->state
== ATH_WIPHY_ACTIVE
)
451 __ath9k_wiphy_pause(sc
->pri_wiphy
);
452 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
453 if (sc
->sec_wiphy
[i
] &&
454 sc
->sec_wiphy
[i
]->state
== ATH_WIPHY_ACTIVE
)
455 __ath9k_wiphy_pause(sc
->sec_wiphy
[i
]);
459 int ath9k_wiphy_select(struct ath_wiphy
*aphy
)
461 struct ath_softc
*sc
= aphy
->sc
;
464 spin_lock_bh(&sc
->wiphy_lock
);
465 if (__ath9k_wiphy_scanning(sc
)) {
467 * For now, we are using mac80211 sw scan and it expects to
468 * have full control over channel changes, so avoid wiphy
469 * scheduling during a scan. This could be optimized if the
470 * scanning control were moved into the driver.
472 spin_unlock_bh(&sc
->wiphy_lock
);
475 if (__ath9k_wiphy_pausing(sc
)) {
476 if (sc
->wiphy_select_failures
== 0)
477 sc
->wiphy_select_first_fail
= jiffies
;
478 sc
->wiphy_select_failures
++;
479 if (time_after(jiffies
, sc
->wiphy_select_first_fail
+ HZ
/ 2))
481 printk(KERN_DEBUG
"ath9k: Previous wiphy select timed "
482 "out; disable/enable hw to recover\n");
483 __ath9k_wiphy_mark_all_paused(sc
);
485 * TODO: this workaround to fix hardware is unlikely to
486 * be specific to virtual wiphy changes. It can happen
487 * on normal channel change, too, and as such, this
488 * should really be made more generic. For example,
489 * tricker radio disable/enable on GTT interrupt burst
490 * (say, 10 GTT interrupts received without any TX
491 * frame being completed)
493 spin_unlock_bh(&sc
->wiphy_lock
);
494 ath_radio_disable(sc
, aphy
->hw
);
495 ath_radio_enable(sc
, aphy
->hw
);
496 /* Only the primary wiphy hw is used for queuing work */
497 ieee80211_queue_work(aphy
->sc
->hw
,
498 &aphy
->sc
->chan_work
);
499 return -EBUSY
; /* previous select still in progress */
501 spin_unlock_bh(&sc
->wiphy_lock
);
502 return -EBUSY
; /* previous select still in progress */
504 sc
->wiphy_select_failures
= 0;
506 /* Store the new channel */
507 sc
->chan_idx
= aphy
->chan_idx
;
508 sc
->chan_is_ht
= aphy
->chan_is_ht
;
509 sc
->next_wiphy
= aphy
;
511 __ath9k_wiphy_pause_all(sc
);
512 now
= !__ath9k_wiphy_pausing(aphy
->sc
);
513 spin_unlock_bh(&sc
->wiphy_lock
);
516 /* Ready to request channel change immediately */
517 ieee80211_queue_work(aphy
->sc
->hw
, &aphy
->sc
->chan_work
);
521 * wiphys will be unpaused in ath9k_tx_status() once channel has been
522 * changed if any wiphy needs time to become paused.
528 bool ath9k_wiphy_started(struct ath_softc
*sc
)
531 spin_lock_bh(&sc
->wiphy_lock
);
532 if (sc
->pri_wiphy
->state
!= ATH_WIPHY_INACTIVE
) {
533 spin_unlock_bh(&sc
->wiphy_lock
);
536 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
537 if (sc
->sec_wiphy
[i
] &&
538 sc
->sec_wiphy
[i
]->state
!= ATH_WIPHY_INACTIVE
) {
539 spin_unlock_bh(&sc
->wiphy_lock
);
543 spin_unlock_bh(&sc
->wiphy_lock
);
547 static void ath9k_wiphy_pause_chan(struct ath_wiphy
*aphy
,
548 struct ath_wiphy
*selected
)
550 if (selected
->state
== ATH_WIPHY_SCAN
) {
551 if (aphy
== selected
)
554 * Pause all other wiphys for the duration of the scan even if
555 * they are on the current channel now.
557 } else if (aphy
->chan_idx
== selected
->chan_idx
)
559 aphy
->state
= ATH_WIPHY_PAUSED
;
560 ieee80211_stop_queues(aphy
->hw
);
563 void ath9k_wiphy_pause_all_forced(struct ath_softc
*sc
,
564 struct ath_wiphy
*selected
)
567 spin_lock_bh(&sc
->wiphy_lock
);
568 if (sc
->pri_wiphy
->state
== ATH_WIPHY_ACTIVE
)
569 ath9k_wiphy_pause_chan(sc
->pri_wiphy
, selected
);
570 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
571 if (sc
->sec_wiphy
[i
] &&
572 sc
->sec_wiphy
[i
]->state
== ATH_WIPHY_ACTIVE
)
573 ath9k_wiphy_pause_chan(sc
->sec_wiphy
[i
], selected
);
575 spin_unlock_bh(&sc
->wiphy_lock
);
578 void ath9k_wiphy_work(struct work_struct
*work
)
580 struct ath_softc
*sc
= container_of(work
, struct ath_softc
,
582 struct ath_wiphy
*aphy
= NULL
;
585 spin_lock_bh(&sc
->wiphy_lock
);
587 if (sc
->wiphy_scheduler_int
== 0) {
588 /* wiphy scheduler is disabled */
589 spin_unlock_bh(&sc
->wiphy_lock
);
594 sc
->wiphy_scheduler_index
++;
595 while (sc
->wiphy_scheduler_index
<= sc
->num_sec_wiphy
) {
596 aphy
= sc
->sec_wiphy
[sc
->wiphy_scheduler_index
- 1];
597 if (aphy
&& aphy
->state
!= ATH_WIPHY_INACTIVE
)
600 sc
->wiphy_scheduler_index
++;
604 sc
->wiphy_scheduler_index
= 0;
605 if (sc
->pri_wiphy
->state
== ATH_WIPHY_INACTIVE
) {
610 /* No wiphy is ready to be scheduled */
612 aphy
= sc
->pri_wiphy
;
615 spin_unlock_bh(&sc
->wiphy_lock
);
618 aphy
->state
!= ATH_WIPHY_ACTIVE
&& aphy
->state
!= ATH_WIPHY_SCAN
&&
619 ath9k_wiphy_select(aphy
)) {
620 printk(KERN_DEBUG
"ath9k: Failed to schedule virtual wiphy "
624 ieee80211_queue_delayed_work(sc
->hw
,
626 sc
->wiphy_scheduler_int
);
629 void ath9k_wiphy_set_scheduler(struct ath_softc
*sc
, unsigned int msec_int
)
631 cancel_delayed_work_sync(&sc
->wiphy_work
);
632 sc
->wiphy_scheduler_int
= msecs_to_jiffies(msec_int
);
633 if (sc
->wiphy_scheduler_int
)
634 ieee80211_queue_delayed_work(sc
->hw
, &sc
->wiphy_work
,
635 sc
->wiphy_scheduler_int
);
638 /* caller must hold wiphy_lock */
639 bool ath9k_all_wiphys_idle(struct ath_softc
*sc
)
642 if (!sc
->pri_wiphy
->idle
)
644 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
645 struct ath_wiphy
*aphy
= sc
->sec_wiphy
[i
];
654 /* caller must hold wiphy_lock */
655 void ath9k_set_wiphy_idle(struct ath_wiphy
*aphy
, bool idle
)
657 struct ath_softc
*sc
= aphy
->sc
;
660 ath_print(ath9k_hw_common(sc
->sc_ah
), ATH_DBG_CONFIG
,
661 "Marking %s as %s\n",
662 wiphy_name(aphy
->hw
->wiphy
),
663 idle
? "idle" : "not-idle");
665 /* Only bother starting a queue on an active virtual wiphy */
666 bool ath_mac80211_start_queue(struct ath_softc
*sc
, u16 skb_queue
)
668 struct ieee80211_hw
*hw
= sc
->pri_wiphy
->hw
;
670 bool txq_started
= false;
672 spin_lock_bh(&sc
->wiphy_lock
);
674 /* Start the primary wiphy */
675 if (sc
->pri_wiphy
->state
== ATH_WIPHY_ACTIVE
) {
676 ieee80211_wake_queue(hw
, skb_queue
);
681 /* Now start the secondary wiphy queues */
682 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
683 struct ath_wiphy
*aphy
= sc
->sec_wiphy
[i
];
686 if (aphy
->state
!= ATH_WIPHY_ACTIVE
)
690 ieee80211_wake_queue(hw
, skb_queue
);
696 spin_unlock_bh(&sc
->wiphy_lock
);
700 /* Go ahead and propagate information to all virtual wiphys, it won't hurt */
701 void ath_mac80211_stop_queue(struct ath_softc
*sc
, u16 skb_queue
)
703 struct ieee80211_hw
*hw
= sc
->pri_wiphy
->hw
;
706 spin_lock_bh(&sc
->wiphy_lock
);
708 /* Stop the primary wiphy */
709 ieee80211_stop_queue(hw
, skb_queue
);
711 /* Now stop the secondary wiphy queues */
712 for (i
= 0; i
< sc
->num_sec_wiphy
; i
++) {
713 struct ath_wiphy
*aphy
= sc
->sec_wiphy
[i
];
717 ieee80211_stop_queue(hw
, skb_queue
);
719 spin_unlock_bh(&sc
->wiphy_lock
);