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ath9k: add some calibration fixes from wireless-testing
[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 300-pending_work.patch
1 --- a/drivers/net/wireless/ath/ath5k/base.c
2 +++ b/drivers/net/wireless/ath/ath5k/base.c
3 @@ -325,6 +325,8 @@ ath5k_setup_channels(struct ath5k_hw *ah
4 if (!ath5k_is_standard_channel(ch, band))
5 continue;
6
7 + channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
8 +
9 count++;
10 }
11
12 @@ -850,7 +852,7 @@ ath5k_txbuf_free_skb(struct ath5k_hw *ah
13 return;
14 dma_unmap_single(ah->dev, bf->skbaddr, bf->skb->len,
15 DMA_TO_DEVICE);
16 - dev_kfree_skb_any(bf->skb);
17 + ieee80211_free_txskb(ah->hw, bf->skb);
18 bf->skb = NULL;
19 bf->skbaddr = 0;
20 bf->desc->ds_data = 0;
21 @@ -1577,7 +1579,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw,
22 return;
23
24 drop_packet:
25 - dev_kfree_skb_any(skb);
26 + ieee80211_free_txskb(hw, skb);
27 }
28
29 static void
30 --- a/net/mac80211/agg-rx.c
31 +++ b/net/mac80211/agg-rx.c
32 @@ -203,6 +203,8 @@ static void ieee80211_send_addba_resp(st
33 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
34 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
35 memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
36 + else if (sdata->vif.type == NL80211_IFTYPE_WDS)
37 + memcpy(mgmt->bssid, da, ETH_ALEN);
38
39 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
40 IEEE80211_STYPE_ACTION);
41 --- a/net/mac80211/agg-tx.c
42 +++ b/net/mac80211/agg-tx.c
43 @@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
44 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
45 if (sdata->vif.type == NL80211_IFTYPE_AP ||
46 sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
47 - sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
48 + sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
49 + sdata->vif.type == NL80211_IFTYPE_WDS)
50 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
51 else if (sdata->vif.type == NL80211_IFTYPE_STATION)
52 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
53 @@ -460,6 +461,7 @@ int ieee80211_start_tx_ba_session(struct
54 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
55 sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
56 sdata->vif.type != NL80211_IFTYPE_AP &&
57 + sdata->vif.type != NL80211_IFTYPE_WDS &&
58 sdata->vif.type != NL80211_IFTYPE_ADHOC)
59 return -EINVAL;
60
61 @@ -869,7 +871,7 @@ void ieee80211_process_addba_resp(struct
62
63 } else {
64 ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,
65 - true);
66 + false);
67 }
68
69 out:
70 --- a/net/mac80211/debugfs_sta.c
71 +++ b/net/mac80211/debugfs_sta.c
72 @@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
73 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
74
75 int res = scnprintf(buf, sizeof(buf),
76 - "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
77 + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
78 TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
79 TEST(PS_DRIVER), TEST(AUTHORIZED),
80 TEST(SHORT_PREAMBLE),
81 - TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
82 + TEST(WME), TEST(CLEAR_PS_FILT),
83 TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
84 TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
85 TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
86 --- a/net/mac80211/iface.c
87 +++ b/net/mac80211/iface.c
88 @@ -420,7 +420,6 @@ int ieee80211_do_open(struct wireless_de
89 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
90 struct net_device *dev = wdev->netdev;
91 struct ieee80211_local *local = sdata->local;
92 - struct sta_info *sta;
93 u32 changed = 0;
94 int res;
95 u32 hw_reconf_flags = 0;
96 @@ -575,30 +574,8 @@ int ieee80211_do_open(struct wireless_de
97
98 set_bit(SDATA_STATE_RUNNING, &sdata->state);
99
100 - if (sdata->vif.type == NL80211_IFTYPE_WDS) {
101 - /* Create STA entry for the WDS peer */
102 - sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
103 - GFP_KERNEL);
104 - if (!sta) {
105 - res = -ENOMEM;
106 - goto err_del_interface;
107 - }
108 -
109 - sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
110 - sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
111 - sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
112 -
113 - res = sta_info_insert(sta);
114 - if (res) {
115 - /* STA has been freed */
116 - goto err_del_interface;
117 - }
118 -
119 - rate_control_rate_init(sta);
120 - netif_carrier_on(dev);
121 - } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
122 + if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
123 rcu_assign_pointer(local->p2p_sdata, sdata);
124 - }
125
126 /*
127 * set_multicast_list will be invoked by the networking core
128 @@ -849,7 +826,7 @@ static void ieee80211_do_stop(struct iee
129 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
130 if (info->control.vif == &sdata->vif) {
131 __skb_unlink(skb, &local->pending[i]);
132 - dev_kfree_skb_irq(skb);
133 + ieee80211_free_txskb(&local->hw, skb);
134 }
135 }
136 }
137 @@ -997,6 +974,72 @@ static void ieee80211_if_setup(struct ne
138 dev->destructor = free_netdev;
139 }
140
141 +static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
142 + struct sk_buff *skb)
143 +{
144 + struct ieee80211_local *local = sdata->local;
145 + struct ieee80211_rx_status *rx_status;
146 + struct ieee802_11_elems elems;
147 + struct ieee80211_mgmt *mgmt;
148 + struct sta_info *sta;
149 + size_t baselen;
150 + u32 rates = 0;
151 + u16 stype;
152 + bool new = false;
153 + enum ieee80211_band band = local->hw.conf.channel->band;
154 + struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
155 +
156 + rx_status = IEEE80211_SKB_RXCB(skb);
157 + mgmt = (struct ieee80211_mgmt *) skb->data;
158 + stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
159 +
160 + if (stype != IEEE80211_STYPE_BEACON)
161 + return;
162 +
163 + baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
164 + if (baselen > skb->len)
165 + return;
166 +
167 + ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
168 + skb->len - baselen, &elems);
169 +
170 + rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
171 +
172 + rcu_read_lock();
173 +
174 + sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
175 +
176 + if (!sta) {
177 + rcu_read_unlock();
178 + sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
179 + GFP_KERNEL);
180 + if (!sta)
181 + return;
182 +
183 + new = true;
184 + }
185 +
186 + sta->last_rx = jiffies;
187 + sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
188 +
189 + if (elems.ht_cap_elem)
190 + ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
191 + elems.ht_cap_elem, &sta->sta.ht_cap);
192 +
193 + if (elems.wmm_param)
194 + set_sta_flag(sta, WLAN_STA_WME);
195 +
196 + if (new) {
197 + sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
198 + sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
199 + sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
200 + rate_control_rate_init(sta);
201 + sta_info_insert_rcu(sta);
202 + }
203 +
204 + rcu_read_unlock();
205 +}
206 +
207 static void ieee80211_iface_work(struct work_struct *work)
208 {
209 struct ieee80211_sub_if_data *sdata =
210 @@ -1101,6 +1144,9 @@ static void ieee80211_iface_work(struct
211 break;
212 ieee80211_mesh_rx_queued_mgmt(sdata, skb);
213 break;
214 + case NL80211_IFTYPE_WDS:
215 + ieee80211_wds_rx_queued_mgmt(sdata, skb);
216 + break;
217 default:
218 WARN(1, "frame for unexpected interface type");
219 break;
220 --- a/net/mac80211/rx.c
221 +++ b/net/mac80211/rx.c
222 @@ -2279,6 +2279,7 @@ ieee80211_rx_h_action(struct ieee80211_r
223 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
224 sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
225 sdata->vif.type != NL80211_IFTYPE_AP &&
226 + sdata->vif.type != NL80211_IFTYPE_WDS &&
227 sdata->vif.type != NL80211_IFTYPE_ADHOC)
228 break;
229
230 @@ -2496,14 +2497,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
231
232 if (!ieee80211_vif_is_mesh(&sdata->vif) &&
233 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
234 - sdata->vif.type != NL80211_IFTYPE_STATION)
235 + sdata->vif.type != NL80211_IFTYPE_STATION &&
236 + sdata->vif.type != NL80211_IFTYPE_WDS)
237 return RX_DROP_MONITOR;
238
239 switch (stype) {
240 case cpu_to_le16(IEEE80211_STYPE_AUTH):
241 case cpu_to_le16(IEEE80211_STYPE_BEACON):
242 case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
243 - /* process for all: mesh, mlme, ibss */
244 + /* process for all: mesh, mlme, ibss, wds */
245 break;
246 case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
247 case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
248 @@ -2827,10 +2829,16 @@ static int prepare_for_handlers(struct i
249 }
250 break;
251 case NL80211_IFTYPE_WDS:
252 - if (bssid || !ieee80211_is_data(hdr->frame_control))
253 - return 0;
254 if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
255 return 0;
256 +
257 + if (ieee80211_is_data(hdr->frame_control) ||
258 + ieee80211_is_action(hdr->frame_control)) {
259 + if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
260 + return 0;
261 + } else if (!ieee80211_is_beacon(hdr->frame_control))
262 + return 0;
263 +
264 break;
265 case NL80211_IFTYPE_P2P_DEVICE:
266 if (!ieee80211_is_public_action(hdr, skb->len) &&
267 --- a/net/mac80211/sta_info.h
268 +++ b/net/mac80211/sta_info.h
269 @@ -32,7 +32,6 @@
270 * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
271 * frames.
272 * @WLAN_STA_WME: Station is a QoS-STA.
273 - * @WLAN_STA_WDS: Station is one of our WDS peers.
274 * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
275 * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
276 * frame to this station is transmitted.
277 @@ -64,7 +63,6 @@ enum ieee80211_sta_info_flags {
278 WLAN_STA_AUTHORIZED,
279 WLAN_STA_SHORT_PREAMBLE,
280 WLAN_STA_WME,
281 - WLAN_STA_WDS,
282 WLAN_STA_CLEAR_PS_FILT,
283 WLAN_STA_MFP,
284 WLAN_STA_BLOCK_BA,
285 --- a/net/mac80211/status.c
286 +++ b/net/mac80211/status.c
287 @@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct
288 skb_queue_len(&local->skb_queue_unreliable);
289 while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
290 (skb = skb_dequeue(&local->skb_queue_unreliable))) {
291 - dev_kfree_skb_irq(skb);
292 + ieee80211_free_txskb(hw, skb);
293 tmp--;
294 I802_DEBUG_INC(local->tx_status_drop);
295 }
296 @@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_fr
297 "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n",
298 skb_queue_len(&sta->tx_filtered[ac]),
299 !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies);
300 - dev_kfree_skb(skb);
301 + ieee80211_free_txskb(&local->hw, skb);
302 }
303
304 static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
305 @@ -324,6 +324,75 @@ static void ieee80211_add_tx_radiotap_he
306
307 }
308
309 +static void ieee80211_report_used_skb(struct ieee80211_local *local,
310 + struct sk_buff *skb, bool dropped)
311 +{
312 + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
313 + struct ieee80211_hdr *hdr = (void *)skb->data;
314 + bool acked = info->flags & IEEE80211_TX_STAT_ACK;
315 +
316 + if (dropped)
317 + acked = false;
318 +
319 + if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
320 + struct ieee80211_sub_if_data *sdata = NULL;
321 + struct ieee80211_sub_if_data *iter_sdata;
322 + u64 cookie = (unsigned long)skb;
323 +
324 + rcu_read_lock();
325 +
326 + if (skb->dev) {
327 + list_for_each_entry_rcu(iter_sdata, &local->interfaces,
328 + list) {
329 + if (!iter_sdata->dev)
330 + continue;
331 +
332 + if (skb->dev == iter_sdata->dev) {
333 + sdata = iter_sdata;
334 + break;
335 + }
336 + }
337 + } else {
338 + sdata = rcu_dereference(local->p2p_sdata);
339 + }
340 +
341 + if (!sdata)
342 + skb->dev = NULL;
343 + else if (ieee80211_is_nullfunc(hdr->frame_control) ||
344 + ieee80211_is_qos_nullfunc(hdr->frame_control)) {
345 + cfg80211_probe_status(sdata->dev, hdr->addr1,
346 + cookie, acked, GFP_ATOMIC);
347 + } else {
348 + cfg80211_mgmt_tx_status(&sdata->wdev, cookie, skb->data,
349 + skb->len, acked, GFP_ATOMIC);
350 + }
351 +
352 + rcu_read_unlock();
353 + }
354 +
355 + if (unlikely(info->ack_frame_id)) {
356 + struct sk_buff *ack_skb;
357 + unsigned long flags;
358 +
359 + spin_lock_irqsave(&local->ack_status_lock, flags);
360 + ack_skb = idr_find(&local->ack_status_frames,
361 + info->ack_frame_id);
362 + if (ack_skb)
363 + idr_remove(&local->ack_status_frames,
364 + info->ack_frame_id);
365 + spin_unlock_irqrestore(&local->ack_status_lock, flags);
366 +
367 + if (ack_skb) {
368 + if (!dropped) {
369 + /* consumes ack_skb */
370 + skb_complete_wifi_ack(ack_skb, acked);
371 + } else {
372 + dev_kfree_skb_any(ack_skb);
373 + }
374 + }
375 + }
376 +}
377 +
378 /*
379 * Use a static threshold for now, best value to be determined
380 * by testing ...
381 @@ -515,50 +584,7 @@ void ieee80211_tx_status(struct ieee8021
382 msecs_to_jiffies(10));
383 }
384
385 - if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
386 - u64 cookie = (unsigned long)skb;
387 - acked = info->flags & IEEE80211_TX_STAT_ACK;
388 -
389 - if (ieee80211_is_nullfunc(hdr->frame_control) ||
390 - ieee80211_is_qos_nullfunc(hdr->frame_control)) {
391 - cfg80211_probe_status(skb->dev, hdr->addr1,
392 - cookie, acked, GFP_ATOMIC);
393 - } else if (skb->dev) {
394 - cfg80211_mgmt_tx_status(
395 - skb->dev->ieee80211_ptr, cookie, skb->data,
396 - skb->len, acked, GFP_ATOMIC);
397 - } else {
398 - struct ieee80211_sub_if_data *p2p_sdata;
399 -
400 - rcu_read_lock();
401 -
402 - p2p_sdata = rcu_dereference(local->p2p_sdata);
403 - if (p2p_sdata) {
404 - cfg80211_mgmt_tx_status(
405 - &p2p_sdata->wdev, cookie, skb->data,
406 - skb->len, acked, GFP_ATOMIC);
407 - }
408 - rcu_read_unlock();
409 - }
410 - }
411 -
412 - if (unlikely(info->ack_frame_id)) {
413 - struct sk_buff *ack_skb;
414 - unsigned long flags;
415 -
416 - spin_lock_irqsave(&local->ack_status_lock, flags);
417 - ack_skb = idr_find(&local->ack_status_frames,
418 - info->ack_frame_id);
419 - if (ack_skb)
420 - idr_remove(&local->ack_status_frames,
421 - info->ack_frame_id);
422 - spin_unlock_irqrestore(&local->ack_status_lock, flags);
423 -
424 - /* consumes ack_skb */
425 - if (ack_skb)
426 - skb_complete_wifi_ack(ack_skb,
427 - info->flags & IEEE80211_TX_STAT_ACK);
428 - }
429 + ieee80211_report_used_skb(local, skb, false);
430
431 /* this was a transmitted frame, but now we want to reuse it */
432 skb_orphan(skb);
433 @@ -634,25 +660,17 @@ EXPORT_SYMBOL(ieee80211_report_low_ack);
434 void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
435 {
436 struct ieee80211_local *local = hw_to_local(hw);
437 - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
438 -
439 - if (unlikely(info->ack_frame_id)) {
440 - struct sk_buff *ack_skb;
441 - unsigned long flags;
442 -
443 - spin_lock_irqsave(&local->ack_status_lock, flags);
444 - ack_skb = idr_find(&local->ack_status_frames,
445 - info->ack_frame_id);
446 - if (ack_skb)
447 - idr_remove(&local->ack_status_frames,
448 - info->ack_frame_id);
449 - spin_unlock_irqrestore(&local->ack_status_lock, flags);
450 -
451 - /* consumes ack_skb */
452 - if (ack_skb)
453 - dev_kfree_skb_any(ack_skb);
454 - }
455
456 + ieee80211_report_used_skb(local, skb, true);
457 dev_kfree_skb_any(skb);
458 }
459 EXPORT_SYMBOL(ieee80211_free_txskb);
460 +
461 +void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
462 + struct sk_buff_head *skbs)
463 +{
464 + struct sk_buff *skb;
465 +
466 + while ((skb = __skb_dequeue(skbs)))
467 + ieee80211_free_txskb(hw, skb);
468 +}
469 --- a/drivers/net/wireless/p54/main.c
470 +++ b/drivers/net/wireless/p54/main.c
471 @@ -139,6 +139,7 @@ static int p54_beacon_format_ie_tim(stru
472 static int p54_beacon_update(struct p54_common *priv,
473 struct ieee80211_vif *vif)
474 {
475 + struct ieee80211_tx_control control = { };
476 struct sk_buff *beacon;
477 int ret;
478
479 @@ -158,7 +159,7 @@ static int p54_beacon_update(struct p54_
480 * to cancel the old beacon template by hand, instead the firmware
481 * will release the previous one through the feedback mechanism.
482 */
483 - p54_tx_80211(priv->hw, NULL, beacon);
484 + p54_tx_80211(priv->hw, &control, beacon);
485 priv->tsf_high32 = 0;
486 priv->tsf_low32 = 0;
487
488 --- a/net/wireless/reg.c
489 +++ b/net/wireless/reg.c
490 @@ -352,6 +352,9 @@ static void reg_regdb_search(struct work
491 struct reg_regdb_search_request *request;
492 const struct ieee80211_regdomain *curdom, *regdom;
493 int i, r;
494 + bool set_reg = false;
495 +
496 + mutex_lock(&cfg80211_mutex);
497
498 mutex_lock(&reg_regdb_search_mutex);
499 while (!list_empty(&reg_regdb_search_list)) {
500 @@ -367,9 +370,7 @@ static void reg_regdb_search(struct work
501 r = reg_copy_regd(&regdom, curdom);
502 if (r)
503 break;
504 - mutex_lock(&cfg80211_mutex);
505 - set_regdom(regdom);
506 - mutex_unlock(&cfg80211_mutex);
507 + set_reg = true;
508 break;
509 }
510 }
511 @@ -377,6 +378,11 @@ static void reg_regdb_search(struct work
512 kfree(request);
513 }
514 mutex_unlock(&reg_regdb_search_mutex);
515 +
516 + if (set_reg)
517 + set_regdom(regdom);
518 +
519 + mutex_unlock(&cfg80211_mutex);
520 }
521
522 static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
523 --- a/drivers/net/wireless/ath/ath9k/recv.c
524 +++ b/drivers/net/wireless/ath/ath9k/recv.c
525 @@ -286,7 +286,6 @@ int ath_rx_init(struct ath_softc *sc, in
526
527 spin_lock_init(&sc->sc_pcu_lock);
528 spin_lock_init(&sc->rx.rxbuflock);
529 - clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
530
531 common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
532 sc->sc_ah->caps.rx_status_len;
533 @@ -424,8 +423,8 @@ u32 ath_calcrxfilter(struct ath_softc *s
534 rfilt |= ATH9K_RX_FILTER_COMP_BAR;
535
536 if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) {
537 - /* The following may also be needed for other older chips */
538 - if (sc->sc_ah->hw_version.macVersion == AR_SREV_VERSION_9160)
539 + /* This is needed for older chips */
540 + if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160)
541 rfilt |= ATH9K_RX_FILTER_PROM;
542 rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
543 }
544 @@ -473,6 +472,13 @@ start_recv:
545 return 0;
546 }
547
548 +static void ath_flushrecv(struct ath_softc *sc)
549 +{
550 + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
551 + ath_rx_tasklet(sc, 1, true);
552 + ath_rx_tasklet(sc, 1, false);
553 +}
554 +
555 bool ath_stoprecv(struct ath_softc *sc)
556 {
557 struct ath_hw *ah = sc->sc_ah;
558 @@ -483,6 +489,8 @@ bool ath_stoprecv(struct ath_softc *sc)
559 ath9k_hw_setrxfilter(ah, 0);
560 stopped = ath9k_hw_stopdmarecv(ah, &reset);
561
562 + ath_flushrecv(sc);
563 +
564 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
565 ath_edma_stop_recv(sc);
566 else
567 @@ -499,15 +507,6 @@ bool ath_stoprecv(struct ath_softc *sc)
568 return stopped && !reset;
569 }
570
571 -void ath_flushrecv(struct ath_softc *sc)
572 -{
573 - set_bit(SC_OP_RXFLUSH, &sc->sc_flags);
574 - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
575 - ath_rx_tasklet(sc, 1, true);
576 - ath_rx_tasklet(sc, 1, false);
577 - clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
578 -}
579 -
580 static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
581 {
582 /* Check whether the Beacon frame has DTIM indicating buffered bc/mc */
583 @@ -744,6 +743,7 @@ static struct ath_buf *ath_get_next_rx_b
584 return NULL;
585 }
586
587 + list_del(&bf->list);
588 if (!bf->bf_mpdu)
589 return bf;
590
591 @@ -1066,9 +1066,6 @@ int ath_rx_tasklet(struct ath_softc *sc,
592
593 do {
594 bool decrypt_error = false;
595 - /* If handling rx interrupt and flush is in progress => exit */
596 - if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0))
597 - break;
598
599 memset(&rs, 0, sizeof(rs));
600 if (edma)
601 @@ -1108,15 +1105,6 @@ int ath_rx_tasklet(struct ath_softc *sc,
602 sc->rx.num_pkts++;
603 ath_debug_stat_rx(sc, &rs);
604
605 - /*
606 - * If we're asked to flush receive queue, directly
607 - * chain it back at the queue without processing it.
608 - */
609 - if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) {
610 - RX_STAT_INC(rx_drop_rxflush);
611 - goto requeue_drop_frag;
612 - }
613 -
614 memset(rxs, 0, sizeof(struct ieee80211_rx_status));
615
616 rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
617 @@ -1251,14 +1239,15 @@ requeue_drop_frag:
618 sc->rx.frag = NULL;
619 }
620 requeue:
621 + list_add_tail(&bf->list, &sc->rx.rxbuf);
622 + if (flush)
623 + continue;
624 +
625 if (edma) {
626 - list_add_tail(&bf->list, &sc->rx.rxbuf);
627 ath_rx_edma_buf_link(sc, qtype);
628 } else {
629 - list_move_tail(&bf->list, &sc->rx.rxbuf);
630 ath_rx_buf_link(sc, bf);
631 - if (!flush)
632 - ath9k_hw_rxena(ah);
633 + ath9k_hw_rxena(ah);
634 }
635 } while (1);
636
637 --- a/net/mac80211/mlme.c
638 +++ b/net/mac80211/mlme.c
639 @@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
640 }
641
642 static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
643 - u16 capab_info, u8 *pwr_constr_elem,
644 - u8 pwr_constr_elem_len)
645 + struct ieee80211_channel *channel,
646 + const u8 *country_ie, u8 country_ie_len,
647 + const u8 *pwr_constr_elem)
648 {
649 - struct ieee80211_conf *conf = &sdata->local->hw.conf;
650 + struct ieee80211_country_ie_triplet *triplet;
651 + int chan = ieee80211_frequency_to_channel(channel->center_freq);
652 + int i, chan_pwr, chan_increment, new_ap_level;
653 + bool have_chan_pwr = false;
654
655 - if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT))
656 + /* Invalid IE */
657 + if (country_ie_len % 2 || country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
658 return;
659
660 - /* Power constraint IE length should be 1 octet */
661 - if (pwr_constr_elem_len != 1)
662 - return;
663 + triplet = (void *)(country_ie + 3);
664 + country_ie_len -= 3;
665
666 - if ((*pwr_constr_elem <= conf->channel->max_reg_power) &&
667 - (*pwr_constr_elem != sdata->local->power_constr_level)) {
668 - sdata->local->power_constr_level = *pwr_constr_elem;
669 - ieee80211_hw_config(sdata->local, 0);
670 + switch (channel->band) {
671 + default:
672 + WARN_ON_ONCE(1);
673 + /* fall through */
674 + case IEEE80211_BAND_2GHZ:
675 + case IEEE80211_BAND_60GHZ:
676 + chan_increment = 1;
677 + break;
678 + case IEEE80211_BAND_5GHZ:
679 + chan_increment = 4;
680 + break;
681 }
682 +
683 + /* find channel */
684 + while (country_ie_len >= 3) {
685 + u8 first_channel = triplet->chans.first_channel;
686 +
687 + if (first_channel >= IEEE80211_COUNTRY_EXTENSION_ID)
688 + goto next;
689 +
690 + for (i = 0; i < triplet->chans.num_channels; i++) {
691 + if (first_channel + i * chan_increment == chan) {
692 + have_chan_pwr = true;
693 + chan_pwr = triplet->chans.max_power;
694 + break;
695 + }
696 + }
697 + if (have_chan_pwr)
698 + break;
699 +
700 + next:
701 + triplet++;
702 + country_ie_len -= 3;
703 + }
704 +
705 + if (!have_chan_pwr)
706 + return;
707 +
708 + new_ap_level = max_t(int, 0, chan_pwr - *pwr_constr_elem);
709 +
710 + if (sdata->local->ap_power_level == new_ap_level)
711 + return;
712 +
713 + sdata_info(sdata,
714 + "Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
715 + new_ap_level, chan_pwr, *pwr_constr_elem,
716 + sdata->u.mgd.bssid);
717 + sdata->local->ap_power_level = new_ap_level;
718 + ieee80211_hw_config(sdata->local, 0);
719 }
720
721 void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
722 @@ -1390,7 +1438,7 @@ static void ieee80211_set_disassoc(struc
723 sta = sta_info_get(sdata, ifmgd->bssid);
724 if (sta) {
725 set_sta_flag(sta, WLAN_STA_BLOCK_BA);
726 - ieee80211_sta_tear_down_BA_sessions(sta, tx);
727 + ieee80211_sta_tear_down_BA_sessions(sta, false);
728 }
729 mutex_unlock(&local->sta_mtx);
730
731 @@ -1438,7 +1486,7 @@ static void ieee80211_set_disassoc(struc
732 memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
733 memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
734
735 - local->power_constr_level = 0;
736 + local->ap_power_level = 0;
737
738 del_timer_sync(&local->dynamic_ps_timer);
739 cancel_work_sync(&local->dynamic_ps_enable_work);
740 @@ -2530,15 +2578,13 @@ static void ieee80211_rx_mgmt_beacon(str
741 bssid, true);
742 }
743
744 - /* Note: country IE parsing is done for us by cfg80211 */
745 - if (elems.country_elem) {
746 - /* TODO: IBSS also needs this */
747 - if (elems.pwr_constr_elem)
748 - ieee80211_handle_pwr_constr(sdata,
749 - le16_to_cpu(mgmt->u.probe_resp.capab_info),
750 - elems.pwr_constr_elem,
751 - elems.pwr_constr_elem_len);
752 - }
753 + if (elems.country_elem && elems.pwr_constr_elem &&
754 + mgmt->u.probe_resp.capab_info &
755 + cpu_to_le16(WLAN_CAPABILITY_SPECTRUM_MGMT))
756 + ieee80211_handle_pwr_constr(sdata, local->oper_channel,
757 + elems.country_elem,
758 + elems.country_elem_len,
759 + elems.pwr_constr_elem);
760
761 ieee80211_bss_info_change_notify(sdata, changed);
762 }
763 @@ -3526,6 +3572,7 @@ int ieee80211_mgd_deauth(struct ieee8021
764 {
765 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
766 u8 frame_buf[DEAUTH_DISASSOC_LEN];
767 + bool tx = !req->local_state_change;
768
769 mutex_lock(&ifmgd->mtx);
770
771 @@ -3542,12 +3589,12 @@ int ieee80211_mgd_deauth(struct ieee8021
772 if (ifmgd->associated &&
773 ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
774 ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
775 - req->reason_code, true, frame_buf);
776 + req->reason_code, tx, frame_buf);
777 } else {
778 drv_mgd_prepare_tx(sdata->local, sdata);
779 ieee80211_send_deauth_disassoc(sdata, req->bssid,
780 IEEE80211_STYPE_DEAUTH,
781 - req->reason_code, true,
782 + req->reason_code, tx,
783 frame_buf);
784 }
785
786 --- a/net/mac80211/sta_info.c
787 +++ b/net/mac80211/sta_info.c
788 @@ -585,7 +585,7 @@ static bool sta_info_cleanup_expire_buff
789 */
790 if (!skb)
791 break;
792 - dev_kfree_skb(skb);
793 + ieee80211_free_txskb(&local->hw, skb);
794 }
795
796 /*
797 @@ -614,7 +614,7 @@ static bool sta_info_cleanup_expire_buff
798 local->total_ps_buffered--;
799 ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n",
800 sta->sta.addr);
801 - dev_kfree_skb(skb);
802 + ieee80211_free_txskb(&local->hw, skb);
803 }
804
805 /*
806 @@ -674,7 +674,7 @@ int __must_check __sta_info_destroy(stru
807 * will be sufficient.
808 */
809 set_sta_flag(sta, WLAN_STA_BLOCK_BA);
810 - ieee80211_sta_tear_down_BA_sessions(sta, true);
811 + ieee80211_sta_tear_down_BA_sessions(sta, false);
812
813 ret = sta_info_hash_del(local, sta);
814 if (ret)
815 @@ -730,8 +730,8 @@ int __must_check __sta_info_destroy(stru
816
817 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
818 local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
819 - __skb_queue_purge(&sta->ps_tx_buf[ac]);
820 - __skb_queue_purge(&sta->tx_filtered[ac]);
821 + ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);
822 + ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]);
823 }
824
825 #ifdef CONFIG_MAC80211_MESH
826 @@ -765,7 +765,7 @@ int __must_check __sta_info_destroy(stru
827 tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
828 if (!tid_tx)
829 continue;
830 - __skb_queue_purge(&tid_tx->pending);
831 + ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending);
832 kfree(tid_tx);
833 }
834
835 --- a/drivers/net/wireless/ath/ath5k/phy.c
836 +++ b/drivers/net/wireless/ath/ath5k/phy.c
837 @@ -1977,11 +1977,13 @@ ath5k_hw_set_spur_mitigation_filter(stru
838 spur_delta_phase = (spur_offset << 18) / 25;
839 spur_freq_sigma_delta = (spur_delta_phase >> 10);
840 symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 2;
841 + break;
842 case AR5K_BWMODE_5MHZ:
843 /* Both sample_freq and chip_freq are 10MHz (?) */
844 spur_delta_phase = (spur_offset << 19) / 25;
845 spur_freq_sigma_delta = (spur_delta_phase >> 10);
846 symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 4;
847 + break;
848 default:
849 if (channel->band == IEEE80211_BAND_5GHZ) {
850 /* Both sample_freq and chip_freq are 40MHz */
851 --- a/net/mac80211/ieee80211_i.h
852 +++ b/net/mac80211/ieee80211_i.h
853 @@ -1062,7 +1062,7 @@ struct ieee80211_local {
854 bool disable_dynamic_ps;
855
856 int user_power_level; /* in dBm */
857 - int power_constr_level; /* in dBm */
858 + int ap_power_level; /* in dBm */
859
860 enum ieee80211_smps_mode smps_mode;
861
862 @@ -1170,7 +1170,6 @@ struct ieee802_11_elems {
863 u8 prep_len;
864 u8 perr_len;
865 u8 country_elem_len;
866 - u8 pwr_constr_elem_len;
867 u8 quiet_elem_len;
868 u8 num_of_quiet_elem; /* can be more the one */
869 u8 timeout_int_len;
870 @@ -1318,6 +1317,8 @@ netdev_tx_t ieee80211_monitor_start_xmit
871 struct net_device *dev);
872 netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
873 struct net_device *dev);
874 +void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
875 + struct sk_buff_head *skbs);
876
877 /* HT */
878 void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
879 --- a/net/mac80211/util.c
880 +++ b/net/mac80211/util.c
881 @@ -406,7 +406,7 @@ void ieee80211_add_pending_skb(struct ie
882 int queue = info->hw_queue;
883
884 if (WARN_ON(!info->control.vif)) {
885 - kfree_skb(skb);
886 + ieee80211_free_txskb(&local->hw, skb);
887 return;
888 }
889
890 @@ -431,7 +431,7 @@ void ieee80211_add_pending_skbs_fn(struc
891 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
892
893 if (WARN_ON(!info->control.vif)) {
894 - kfree_skb(skb);
895 + ieee80211_free_txskb(&local->hw, skb);
896 continue;
897 }
898
899 @@ -792,8 +792,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start
900 elems->country_elem_len = elen;
901 break;
902 case WLAN_EID_PWR_CONSTRAINT:
903 + if (elen != 1) {
904 + elem_parse_failed = true;
905 + break;
906 + }
907 elems->pwr_constr_elem = pos;
908 - elems->pwr_constr_elem_len = elen;
909 break;
910 case WLAN_EID_TIMEOUT_INTERVAL:
911 elems->timeout_int = pos;
912 --- a/net/mac80211/main.c
913 +++ b/net/mac80211/main.c
914 @@ -154,13 +154,11 @@ int ieee80211_hw_config(struct ieee80211
915
916 if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
917 test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
918 - test_bit(SCAN_HW_SCANNING, &local->scanning))
919 + test_bit(SCAN_HW_SCANNING, &local->scanning) ||
920 + !local->ap_power_level)
921 power = chan->max_power;
922 else
923 - power = local->power_constr_level ?
924 - min(chan->max_power,
925 - (chan->max_reg_power - local->power_constr_level)) :
926 - chan->max_power;
927 + power = min(chan->max_power, local->ap_power_level);
928
929 if (local->user_power_level >= 0)
930 power = min(power, local->user_power_level);
931 --- a/include/net/cfg80211.h
932 +++ b/include/net/cfg80211.h
933 @@ -1218,6 +1218,7 @@ struct cfg80211_deauth_request {
934 const u8 *ie;
935 size_t ie_len;
936 u16 reason_code;
937 + bool local_state_change;
938 };
939
940 /**
941 --- a/net/wireless/mlme.c
942 +++ b/net/wireless/mlme.c
943 @@ -457,20 +457,14 @@ int __cfg80211_mlme_deauth(struct cfg802
944 .reason_code = reason,
945 .ie = ie,
946 .ie_len = ie_len,
947 + .local_state_change = local_state_change,
948 };
949
950 ASSERT_WDEV_LOCK(wdev);
951
952 - if (local_state_change) {
953 - if (wdev->current_bss &&
954 - ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
955 - cfg80211_unhold_bss(wdev->current_bss);
956 - cfg80211_put_bss(&wdev->current_bss->pub);
957 - wdev->current_bss = NULL;
958 - }
959 -
960 + if (local_state_change && (!wdev->current_bss ||
961 + !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
962 return 0;
963 - }
964
965 return rdev->ops->deauth(&rdev->wiphy, dev, &req);
966 }
967 --- a/drivers/net/wireless/ath/ath9k/xmit.c
968 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
969 @@ -386,7 +386,7 @@ static void ath_tx_complete_aggr(struct
970 u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
971 u32 ba[WME_BA_BMP_SIZE >> 5];
972 int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
973 - bool rc_update = true;
974 + bool rc_update = true, isba;
975 struct ieee80211_tx_rate rates[4];
976 struct ath_frame_info *fi;
977 int nframes;
978 @@ -430,13 +430,17 @@ static void ath_tx_complete_aggr(struct
979 tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
980 tid = ATH_AN_2_TID(an, tidno);
981 seq_first = tid->seq_start;
982 + isba = ts->ts_flags & ATH9K_TX_BA;
983
984 /*
985 * The hardware occasionally sends a tx status for the wrong TID.
986 * In this case, the BA status cannot be considered valid and all
987 * subframes need to be retransmitted
988 + *
989 + * Only BlockAcks have a TID and therefore normal Acks cannot be
990 + * checked
991 */
992 - if (tidno != ts->tid)
993 + if (isba && tidno != ts->tid)
994 txok = false;
995
996 isaggr = bf_isaggr(bf);
997 --- a/net/mac80211/cfg.c
998 +++ b/net/mac80211/cfg.c
999 @@ -2563,6 +2563,9 @@ static void ieee80211_mgmt_frame_registe
1000 else
1001 local->probe_req_reg--;
1002
1003 + if (!local->open_count)
1004 + break;
1005 +
1006 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1007 break;
1008 default:
1009 --- a/net/mac80211/tx.c
1010 +++ b/net/mac80211/tx.c
1011 @@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct
1012 total += skb_queue_len(&sta->ps_tx_buf[ac]);
1013 if (skb) {
1014 purged++;
1015 - dev_kfree_skb(skb);
1016 + ieee80211_free_txskb(&local->hw, skb);
1017 break;
1018 }
1019 }
1020 @@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
1021 ps_dbg(tx->sdata,
1022 "STA %pM TX buffer for AC %d full - dropping oldest frame\n",
1023 sta->sta.addr, ac);
1024 - dev_kfree_skb(old);
1025 + ieee80211_free_txskb(&local->hw, old);
1026 } else
1027 tx->local->total_ps_buffered++;
1028
1029 @@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct
1030 spin_unlock(&tx->sta->lock);
1031
1032 if (purge_skb)
1033 - dev_kfree_skb(purge_skb);
1034 + ieee80211_free_txskb(&tx->local->hw, purge_skb);
1035 }
1036
1037 /* reset session timer */
1038 @@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ie
1039 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
1040 if (WARN_ON_ONCE(q >= local->hw.queues)) {
1041 __skb_unlink(skb, skbs);
1042 - dev_kfree_skb(skb);
1043 + ieee80211_free_txskb(&local->hw, skb);
1044 continue;
1045 }
1046 #endif
1047 @@ -1356,9 +1356,9 @@ static int invoke_tx_handlers(struct iee
1048 if (unlikely(res == TX_DROP)) {
1049 I802_DEBUG_INC(tx->local->tx_handlers_drop);
1050 if (tx->skb)
1051 - dev_kfree_skb(tx->skb);
1052 + ieee80211_free_txskb(&tx->local->hw, tx->skb);
1053 else
1054 - __skb_queue_purge(&tx->skbs);
1055 + ieee80211_purge_tx_queue(&tx->local->hw, &tx->skbs);
1056 return -1;
1057 } else if (unlikely(res == TX_QUEUED)) {
1058 I802_DEBUG_INC(tx->local->tx_handlers_queued);
1059 @@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee8021
1060 res_prepare = ieee80211_tx_prepare(sdata, &tx, skb);
1061
1062 if (unlikely(res_prepare == TX_DROP)) {
1063 - dev_kfree_skb(skb);
1064 + ieee80211_free_txskb(&local->hw, skb);
1065 goto out;
1066 } else if (unlikely(res_prepare == TX_QUEUED)) {
1067 goto out;
1068 @@ -1465,7 +1465,7 @@ void ieee80211_xmit(struct ieee80211_sub
1069 headroom = max_t(int, 0, headroom);
1070
1071 if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
1072 - dev_kfree_skb(skb);
1073 + ieee80211_free_txskb(&local->hw, skb);
1074 rcu_read_unlock();
1075 return;
1076 }
1077 @@ -2056,8 +2056,10 @@ netdev_tx_t ieee80211_subif_start_xmit(s
1078 head_need += IEEE80211_ENCRYPT_HEADROOM;
1079 head_need += local->tx_headroom;
1080 head_need = max_t(int, 0, head_need);
1081 - if (ieee80211_skb_resize(sdata, skb, head_need, true))
1082 - goto fail;
1083 + if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
1084 + ieee80211_free_txskb(&local->hw, skb);
1085 + return NETDEV_TX_OK;
1086 + }
1087 }
1088
1089 if (encaps_data) {
1090 @@ -2124,10 +2126,13 @@ netdev_tx_t ieee80211_subif_start_xmit(s
1091 */
1092 void ieee80211_clear_tx_pending(struct ieee80211_local *local)
1093 {
1094 + struct sk_buff *skb;
1095 int i;
1096
1097 - for (i = 0; i < local->hw.queues; i++)
1098 - skb_queue_purge(&local->pending[i]);
1099 + for (i = 0; i < local->hw.queues; i++) {
1100 + while ((skb = skb_dequeue(&local->pending[i])) != NULL)
1101 + ieee80211_free_txskb(&local->hw, skb);
1102 + }
1103 }
1104
1105 /*
1106 @@ -2190,7 +2195,7 @@ void ieee80211_tx_pending(unsigned long
1107 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1108
1109 if (WARN_ON(!info->control.vif)) {
1110 - kfree_skb(skb);
1111 + ieee80211_free_txskb(&local->hw, skb);
1112 continue;
1113 }
1114
1115 --- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
1116 +++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
1117 @@ -65,7 +65,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct
1118 u16 qnum = skb_get_queue_mapping(skb);
1119
1120 if (WARN_ON(qnum >= ah->ah_capabilities.cap_queues.q_tx_num)) {
1121 - dev_kfree_skb_any(skb);
1122 + ieee80211_free_txskb(hw, skb);
1123 return;
1124 }
1125
1126 --- a/drivers/net/wireless/ath/ath9k/hw.c
1127 +++ b/drivers/net/wireless/ath/ath9k/hw.c
1128 @@ -2568,7 +2568,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw
1129
1130 if (AR_SREV_9300_20_OR_LATER(ah)) {
1131 ah->enabled_cals |= TX_IQ_CAL;
1132 - if (AR_SREV_9485_OR_LATER(ah))
1133 + if (AR_SREV_9485_OR_LATER(ah) && !AR_SREV_9340(ah))
1134 ah->enabled_cals |= TX_IQ_ON_AGC_CAL;
1135 }
1136
1137 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
1138 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
1139 @@ -324,7 +324,6 @@ struct ath_rx {
1140
1141 int ath_startrecv(struct ath_softc *sc);
1142 bool ath_stoprecv(struct ath_softc *sc);
1143 -void ath_flushrecv(struct ath_softc *sc);
1144 u32 ath_calcrxfilter(struct ath_softc *sc);
1145 int ath_rx_init(struct ath_softc *sc, int nbufs);
1146 void ath_rx_cleanup(struct ath_softc *sc);
1147 @@ -627,7 +626,6 @@ void ath_ant_comb_update(struct ath_soft
1148 enum sc_op_flags {
1149 SC_OP_INVALID,
1150 SC_OP_BEACONS,
1151 - SC_OP_RXFLUSH,
1152 SC_OP_ANI_RUN,
1153 SC_OP_PRIM_STA_VIF,
1154 SC_OP_HW_RESET,
1155 --- a/drivers/net/wireless/ath/ath9k/beacon.c
1156 +++ b/drivers/net/wireless/ath/ath9k/beacon.c
1157 @@ -147,6 +147,7 @@ static struct ath_buf *ath9k_beacon_gene
1158 skb->len, DMA_TO_DEVICE);
1159 dev_kfree_skb_any(skb);
1160 bf->bf_buf_addr = 0;
1161 + bf->bf_mpdu = NULL;
1162 }
1163
1164 skb = ieee80211_beacon_get(hw, vif);
1165 @@ -359,7 +360,6 @@ void ath9k_beacon_tasklet(unsigned long
1166 return;
1167
1168 bf = ath9k_beacon_generate(sc->hw, vif);
1169 - WARN_ON(!bf);
1170
1171 if (sc->beacon.bmisscnt != 0) {
1172 ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
1173 --- a/drivers/net/wireless/ath/ath9k/debug.c
1174 +++ b/drivers/net/wireless/ath/ath9k/debug.c
1175 @@ -919,7 +919,6 @@ static ssize_t read_file_recv(struct fil
1176 RXS_ERR("RX-LENGTH-ERR", rx_len_err);
1177 RXS_ERR("RX-OOM-ERR", rx_oom_err);
1178 RXS_ERR("RX-RATE-ERR", rx_rate_err);
1179 - RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
1180 RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
1181
1182 PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
1183 --- a/drivers/net/wireless/ath/ath9k/debug.h
1184 +++ b/drivers/net/wireless/ath/ath9k/debug.h
1185 @@ -198,7 +198,6 @@ struct ath_tx_stats {
1186 * @rx_oom_err: No. of frames dropped due to OOM issues.
1187 * @rx_rate_err: No. of frames dropped due to rate errors.
1188 * @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
1189 - * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
1190 * @rx_beacons: No. of beacons received.
1191 * @rx_frags: No. of rx-fragements received.
1192 */
1193 @@ -217,7 +216,6 @@ struct ath_rx_stats {
1194 u32 rx_oom_err;
1195 u32 rx_rate_err;
1196 u32 rx_too_many_frags_err;
1197 - u32 rx_drop_rxflush;
1198 u32 rx_beacons;
1199 u32 rx_frags;
1200 };
1201 --- a/drivers/net/wireless/ath/ath9k/main.c
1202 +++ b/drivers/net/wireless/ath/ath9k/main.c
1203 @@ -181,7 +181,7 @@ static void ath_restart_work(struct ath_
1204 ath_start_ani(sc);
1205 }
1206
1207 -static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
1208 +static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx)
1209 {
1210 struct ath_hw *ah = sc->sc_ah;
1211 bool ret = true;
1212 @@ -195,19 +195,15 @@ static bool ath_prepare_reset(struct ath
1213 ath9k_debug_samp_bb_mac(sc);
1214 ath9k_hw_disable_interrupts(ah);
1215
1216 + tasklet_disable(&sc->intr_tq);
1217 +
1218 if (!ath_stoprecv(sc))
1219 ret = false;
1220
1221 if (!ath_drain_all_txq(sc, retry_tx))
1222 ret = false;
1223
1224 - if (!flush) {
1225 - if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
1226 - ath_rx_tasklet(sc, 1, true);
1227 - ath_rx_tasklet(sc, 1, false);
1228 - } else {
1229 - ath_flushrecv(sc);
1230 - }
1231 + tasklet_enable(&sc->intr_tq);
1232
1233 return ret;
1234 }
1235 @@ -261,7 +257,6 @@ static int ath_reset_internal(struct ath
1236 struct ath_common *common = ath9k_hw_common(ah);
1237 struct ath9k_hw_cal_data *caldata = NULL;
1238 bool fastcc = true;
1239 - bool flush = false;
1240 int r;
1241
1242 __ath_cancel_work(sc);
1243 @@ -275,11 +270,10 @@ static int ath_reset_internal(struct ath
1244
1245 if (!hchan) {
1246 fastcc = false;
1247 - flush = true;
1248 hchan = ah->curchan;
1249 }
1250
1251 - if (!ath_prepare_reset(sc, retry_tx, flush))
1252 + if (!ath_prepare_reset(sc, retry_tx))
1253 fastcc = false;
1254
1255 ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
1256 @@ -821,7 +815,7 @@ static void ath9k_stop(struct ieee80211_
1257 ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
1258 }
1259
1260 - ath_prepare_reset(sc, false, true);
1261 + ath_prepare_reset(sc, false);
1262
1263 if (sc->rx.frag) {
1264 dev_kfree_skb_any(sc->rx.frag);
1265 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
1266 +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
1267 @@ -893,7 +893,7 @@ static bool ar9003_hw_init_cal(struct at
1268 struct ath9k_hw_cal_data *caldata = ah->caldata;
1269 bool txiqcal_done = false, txclcal_done = false;
1270 bool is_reusable = true, status = true;
1271 - bool run_rtt_cal = false, run_agc_cal;
1272 + bool run_rtt_cal = false, run_agc_cal, sep_iq_cal = false;
1273 bool rtt = !!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT);
1274 u32 agc_ctrl = 0, agc_supp_cals = AR_PHY_AGC_CONTROL_OFFSET_CAL |
1275 AR_PHY_AGC_CONTROL_FLTR_CAL |
1276 @@ -939,7 +939,8 @@ static bool ar9003_hw_init_cal(struct at
1277 }
1278 }
1279
1280 - if (!(ah->enabled_cals & TX_IQ_CAL))
1281 + if ((IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan)) ||
1282 + !(ah->enabled_cals & TX_IQ_CAL))
1283 goto skip_tx_iqcal;
1284
1285 /* Do Tx IQ Calibration */
1286 @@ -959,21 +960,22 @@ static bool ar9003_hw_init_cal(struct at
1287 REG_CLR_BIT(ah, AR_PHY_TX_IQCAL_CONTROL_0,
1288 AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL);
1289 txiqcal_done = run_agc_cal = true;
1290 - goto skip_tx_iqcal;
1291 - } else if (caldata && !caldata->done_txiqcal_once)
1292 + } else if (caldata && !caldata->done_txiqcal_once) {
1293 run_agc_cal = true;
1294 + sep_iq_cal = true;
1295 + }
1296
1297 +skip_tx_iqcal:
1298 if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal)
1299 ar9003_mci_init_cal_req(ah, &is_reusable);
1300
1301 - if (!(IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan))) {
1302 + if (sep_iq_cal) {
1303 txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
1304 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
1305 udelay(5);
1306 REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
1307 }
1308
1309 -skip_tx_iqcal:
1310 if (run_agc_cal || !(ah->ah_flags & AH_FASTCC)) {
1311 /* Calibrate the AGC */
1312 REG_WRITE(ah, AR_PHY_AGC_CONTROL,
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