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mac80211: add a rate control rate selection fix
[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 300-pending_work.patch
1 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
2 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
3 @@ -234,6 +234,7 @@ struct ath_buf {
4 dma_addr_t bf_daddr; /* physical addr of desc */
5 dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
6 bool bf_stale;
7 + struct ieee80211_tx_rate rates[4];
8 struct ath_buf_state bf_state;
9 };
10
11 @@ -658,11 +659,10 @@ enum sc_op_flags {
12 struct ath_rate_table;
13
14 struct ath9k_vif_iter_data {
15 - const u8 *hw_macaddr; /* phy's hardware address, set
16 - * before starting iteration for
17 - * valid bssid mask.
18 - */
19 + u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
20 u8 mask[ETH_ALEN]; /* bssid mask */
21 + bool has_hw_macaddr;
22 +
23 int naps; /* number of AP vifs */
24 int nmeshes; /* number of mesh vifs */
25 int nstations; /* number of station vifs */
26 --- a/drivers/net/wireless/ath/ath9k/hw.c
27 +++ b/drivers/net/wireless/ath/ath9k/hw.c
28 @@ -1366,7 +1366,10 @@ static bool ath9k_hw_set_reset(struct at
29
30 REGWRITE_BUFFER_FLUSH(ah);
31
32 - udelay(50);
33 + if (AR_SREV_9100(ah))
34 + mdelay(10);
35 + else
36 + udelay(50);
37
38 REG_WRITE(ah, AR_RTC_RC, 0);
39 if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
40 @@ -1377,8 +1380,12 @@ static bool ath9k_hw_set_reset(struct at
41 if (!AR_SREV_9100(ah))
42 REG_WRITE(ah, AR_RC, 0);
43
44 - if (AR_SREV_9100(ah))
45 + if (AR_SREV_9100(ah) && type != ATH9K_RESET_WARM) {
46 + if (ah->external_reset)
47 + ah->external_reset();
48 +
49 udelay(50);
50 + }
51
52 return true;
53 }
54 @@ -1464,7 +1471,8 @@ static bool ath9k_hw_chip_reset(struct a
55 reset_type = ATH9K_RESET_POWER_ON;
56 else
57 reset_type = ATH9K_RESET_COLD;
58 - } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
59 + } else if (ah->chip_fullsleep ||
60 + REG_READ(ah, AR_Q_TXE) ||
61 (REG_READ(ah, AR_CR) & AR_CR_RXE))
62 reset_type = ATH9K_RESET_COLD;
63
64 @@ -1698,12 +1706,11 @@ static void ath9k_hw_reset_opmode(struct
65
66 ENABLE_REGWRITE_BUFFER(ah);
67
68 - REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
69 - REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
70 - | macStaId1
71 + REG_RMW(ah, AR_STA_ID1, macStaId1
72 | AR_STA_ID1_RTS_USE_DEF
73 | (ah->config.ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
74 - | ah->sta_id1_defaults);
75 + | ah->sta_id1_defaults,
76 + ~AR_STA_ID1_SADH_MASK);
77 ath_hw_setbssidmask(common);
78 REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
79 ath9k_hw_write_associd(ah);
80 --- a/drivers/net/wireless/ath/ath9k/main.c
81 +++ b/drivers/net/wireless/ath/ath9k/main.c
82 @@ -839,10 +839,14 @@ static void ath9k_vif_iter(void *data, u
83 struct ath9k_vif_iter_data *iter_data = data;
84 int i;
85
86 - if (iter_data->hw_macaddr)
87 + if (iter_data->has_hw_macaddr) {
88 for (i = 0; i < ETH_ALEN; i++)
89 iter_data->mask[i] &=
90 ~(iter_data->hw_macaddr[i] ^ mac[i]);
91 + } else {
92 + memcpy(iter_data->hw_macaddr, mac, ETH_ALEN);
93 + iter_data->has_hw_macaddr = true;
94 + }
95
96 switch (vif->type) {
97 case NL80211_IFTYPE_AP:
98 @@ -891,7 +895,6 @@ void ath9k_calculate_iter_data(struct ie
99 * together with the BSSID mask when matching addresses.
100 */
101 memset(iter_data, 0, sizeof(*iter_data));
102 - iter_data->hw_macaddr = common->macaddr;
103 memset(&iter_data->mask, 0xff, ETH_ALEN);
104
105 if (vif)
106 @@ -901,6 +904,8 @@ void ath9k_calculate_iter_data(struct ie
107 ieee80211_iterate_active_interfaces_atomic(
108 sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
109 ath9k_vif_iter, iter_data);
110 +
111 + memcpy(common->macaddr, iter_data->hw_macaddr, ETH_ALEN);
112 }
113
114 /* Called with sc->mutex held. */
115 @@ -1327,6 +1332,7 @@ static int ath9k_sta_add(struct ieee8021
116 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
117 struct ath_node *an = (struct ath_node *) sta->drv_priv;
118 struct ieee80211_key_conf ps_key = { };
119 + int key;
120
121 ath_node_attach(sc, sta, vif);
122
123 @@ -1334,7 +1340,9 @@ static int ath9k_sta_add(struct ieee8021
124 vif->type != NL80211_IFTYPE_AP_VLAN)
125 return 0;
126
127 - an->ps_key = ath_key_config(common, vif, sta, &ps_key);
128 + key = ath_key_config(common, vif, sta, &ps_key);
129 + if (key > 0)
130 + an->ps_key = key;
131
132 return 0;
133 }
134 @@ -1351,6 +1359,7 @@ static void ath9k_del_ps_key(struct ath_
135 return;
136
137 ath_key_delete(common, &ps_key);
138 + an->ps_key = 0;
139 }
140
141 static int ath9k_sta_remove(struct ieee80211_hw *hw,
142 --- a/drivers/net/wireless/ath/ath9k/reg.h
143 +++ b/drivers/net/wireless/ath/ath9k/reg.h
144 @@ -1493,9 +1493,6 @@ enum {
145 #define AR9271_RADIO_RF_RST 0x20
146 #define AR9271_GATE_MAC_CTL 0x4000
147
148 -#define AR_STA_ID0 0x8000
149 -#define AR_STA_ID1 0x8004
150 -#define AR_STA_ID1_SADH_MASK 0x0000FFFF
151 #define AR_STA_ID1_STA_AP 0x00010000
152 #define AR_STA_ID1_ADHOC 0x00020000
153 #define AR_STA_ID1_PWR_SAV 0x00040000
154 --- a/drivers/net/wireless/ath/hw.c
155 +++ b/drivers/net/wireless/ath/hw.c
156 @@ -118,6 +118,12 @@
157 void ath_hw_setbssidmask(struct ath_common *common)
158 {
159 void *ah = common->ah;
160 + u32 id1;
161 +
162 + REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
163 + id1 = REG_READ(ah, AR_STA_ID1) & ~AR_STA_ID1_SADH_MASK;
164 + id1 |= get_unaligned_le16(common->macaddr + 4);
165 + REG_WRITE(ah, AR_STA_ID1, id1);
166
167 REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
168 REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
169 --- a/drivers/net/wireless/ath/reg.h
170 +++ b/drivers/net/wireless/ath/reg.h
171 @@ -23,6 +23,10 @@
172 #define AR_MIBC_CMC 0x00000004
173 #define AR_MIBC_MCS 0x00000008
174
175 +#define AR_STA_ID0 0x8000
176 +#define AR_STA_ID1 0x8004
177 +#define AR_STA_ID1_SADH_MASK 0x0000ffff
178 +
179 /*
180 * BSSID mask registers. See ath_hw_set_bssid_mask()
181 * for detailed documentation about these registers.
182 --- a/drivers/net/wireless/iwlegacy/4965-mac.c
183 +++ b/drivers/net/wireless/iwlegacy/4965-mac.c
184 @@ -6059,7 +6059,7 @@ il4965_mac_channel_switch(struct ieee802
185 struct il_priv *il = hw->priv;
186 const struct il_channel_info *ch_info;
187 struct ieee80211_conf *conf = &hw->conf;
188 - struct ieee80211_channel *channel = ch_switch->channel;
189 + struct ieee80211_channel *channel = ch_switch->chandef.chan;
190 struct il_ht_config *ht_conf = &il->current_ht_config;
191 u16 ch;
192
193 @@ -6096,23 +6096,21 @@ il4965_mac_channel_switch(struct ieee802
194 il->current_ht_config.smps = conf->smps_mode;
195
196 /* Configure HT40 channels */
197 - il->ht.enabled = conf_is_ht(conf);
198 - if (il->ht.enabled) {
199 - if (conf_is_ht40_minus(conf)) {
200 - il->ht.extension_chan_offset =
201 - IEEE80211_HT_PARAM_CHA_SEC_BELOW;
202 - il->ht.is_40mhz = true;
203 - } else if (conf_is_ht40_plus(conf)) {
204 - il->ht.extension_chan_offset =
205 - IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
206 - il->ht.is_40mhz = true;
207 - } else {
208 - il->ht.extension_chan_offset =
209 - IEEE80211_HT_PARAM_CHA_SEC_NONE;
210 - il->ht.is_40mhz = false;
211 - }
212 - } else
213 + switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
214 + case NL80211_CHAN_NO_HT:
215 + case NL80211_CHAN_HT20:
216 il->ht.is_40mhz = false;
217 + il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
218 + break;
219 + case NL80211_CHAN_HT40MINUS:
220 + il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
221 + il->ht.is_40mhz = true;
222 + break;
223 + case NL80211_CHAN_HT40PLUS:
224 + il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
225 + il->ht.is_40mhz = true;
226 + break;
227 + }
228
229 if ((le16_to_cpu(il->staging.channel) != ch))
230 il->staging.flags = 0;
231 --- a/drivers/net/wireless/iwlegacy/4965.c
232 +++ b/drivers/net/wireless/iwlegacy/4965.c
233 @@ -1493,7 +1493,7 @@ il4965_hw_channel_switch(struct il_priv
234
235 cmd.band = band;
236 cmd.expect_beacon = 0;
237 - ch = ch_switch->channel->hw_value;
238 + ch = ch_switch->chandef.chan->hw_value;
239 cmd.channel = cpu_to_le16(ch);
240 cmd.rxon_flags = il->staging.flags;
241 cmd.rxon_filter_flags = il->staging.filter_flags;
242 --- a/drivers/net/wireless/iwlwifi/dvm/devices.c
243 +++ b/drivers/net/wireless/iwlwifi/dvm/devices.c
244 @@ -379,7 +379,7 @@ static int iwl5000_hw_channel_switch(str
245 };
246
247 cmd.band = priv->band == IEEE80211_BAND_2GHZ;
248 - ch = ch_switch->channel->hw_value;
249 + ch = ch_switch->chandef.chan->hw_value;
250 IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
251 ctx->active.channel, ch);
252 cmd.channel = cpu_to_le16(ch);
253 @@ -414,7 +414,8 @@ static int iwl5000_hw_channel_switch(str
254 }
255 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
256 cmd.switch_time);
257 - cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
258 + cmd.expect_beacon =
259 + ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
260
261 return iwl_dvm_send_cmd(priv, &hcmd);
262 }
263 @@ -540,7 +541,7 @@ static int iwl6000_hw_channel_switch(str
264 hcmd.data[0] = cmd;
265
266 cmd->band = priv->band == IEEE80211_BAND_2GHZ;
267 - ch = ch_switch->channel->hw_value;
268 + ch = ch_switch->chandef.chan->hw_value;
269 IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
270 ctx->active.channel, ch);
271 cmd->channel = cpu_to_le16(ch);
272 @@ -575,7 +576,8 @@ static int iwl6000_hw_channel_switch(str
273 }
274 IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
275 cmd->switch_time);
276 - cmd->expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
277 + cmd->expect_beacon =
278 + ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
279
280 err = iwl_dvm_send_cmd(priv, &hcmd);
281 kfree(cmd);
282 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
283 +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
284 @@ -970,7 +970,7 @@ static void iwlagn_mac_channel_switch(st
285 {
286 struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
287 struct ieee80211_conf *conf = &hw->conf;
288 - struct ieee80211_channel *channel = ch_switch->channel;
289 + struct ieee80211_channel *channel = ch_switch->chandef.chan;
290 struct iwl_ht_config *ht_conf = &priv->current_ht_config;
291 /*
292 * MULTI-FIXME
293 @@ -1008,11 +1008,21 @@ static void iwlagn_mac_channel_switch(st
294 priv->current_ht_config.smps = conf->smps_mode;
295
296 /* Configure HT40 channels */
297 - ctx->ht.enabled = conf_is_ht(conf);
298 - if (ctx->ht.enabled)
299 - iwlagn_config_ht40(conf, ctx);
300 - else
301 + switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
302 + case NL80211_CHAN_NO_HT:
303 + case NL80211_CHAN_HT20:
304 ctx->ht.is_40mhz = false;
305 + ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
306 + break;
307 + case NL80211_CHAN_HT40MINUS:
308 + ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
309 + ctx->ht.is_40mhz = true;
310 + break;
311 + case NL80211_CHAN_HT40PLUS:
312 + ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
313 + ctx->ht.is_40mhz = true;
314 + break;
315 + }
316
317 if ((le16_to_cpu(ctx->staging.channel) != ch))
318 ctx->staging.flags = 0;
319 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
320 +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
321 @@ -1160,7 +1160,7 @@ int iwlagn_commit_rxon(struct iwl_priv *
322 }
323
324 void iwlagn_config_ht40(struct ieee80211_conf *conf,
325 - struct iwl_rxon_context *ctx)
326 + struct iwl_rxon_context *ctx)
327 {
328 if (conf_is_ht40_minus(conf)) {
329 ctx->ht.extension_chan_offset =
330 --- a/drivers/net/wireless/mac80211_hwsim.c
331 +++ b/drivers/net/wireless/mac80211_hwsim.c
332 @@ -25,6 +25,7 @@
333 #include <linux/if_arp.h>
334 #include <linux/rtnetlink.h>
335 #include <linux/etherdevice.h>
336 +#include <linux/platform_device.h>
337 #include <linux/debugfs.h>
338 #include <linux/module.h>
339 #include <linux/ktime.h>
340 @@ -717,9 +718,17 @@ static bool mac80211_hwsim_tx_frame_no_n
341 rx_status.flag |= RX_FLAG_MACTIME_START;
342 rx_status.freq = chan->center_freq;
343 rx_status.band = chan->band;
344 - rx_status.rate_idx = info->control.rates[0].idx;
345 - if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
346 - rx_status.flag |= RX_FLAG_HT;
347 + if (info->control.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) {
348 + rx_status.rate_idx =
349 + ieee80211_rate_get_vht_mcs(&info->control.rates[0]);
350 + rx_status.vht_nss =
351 + ieee80211_rate_get_vht_nss(&info->control.rates[0]);
352 + rx_status.flag |= RX_FLAG_VHT;
353 + } else {
354 + rx_status.rate_idx = info->control.rates[0].idx;
355 + if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
356 + rx_status.flag |= RX_FLAG_HT;
357 + }
358 if (info->control.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
359 rx_status.flag |= RX_FLAG_40MHZ;
360 if (info->control.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
361 @@ -1687,6 +1696,7 @@ static void mac80211_hwsim_free(void)
362 debugfs_remove(data->debugfs_ps);
363 debugfs_remove(data->debugfs);
364 ieee80211_unregister_hw(data->hw);
365 + device_release_driver(data->dev);
366 device_unregister(data->dev);
367 ieee80211_free_hw(data->hw);
368 }
369 @@ -1695,7 +1705,9 @@ static void mac80211_hwsim_free(void)
370
371
372 static struct device_driver mac80211_hwsim_driver = {
373 - .name = "mac80211_hwsim"
374 + .name = "mac80211_hwsim",
375 + .bus = &platform_bus_type,
376 + .owner = THIS_MODULE,
377 };
378
379 static const struct net_device_ops hwsim_netdev_ops = {
380 @@ -2187,9 +2199,15 @@ static int __init init_mac80211_hwsim(vo
381 spin_lock_init(&hwsim_radio_lock);
382 INIT_LIST_HEAD(&hwsim_radios);
383
384 + err = driver_register(&mac80211_hwsim_driver);
385 + if (err)
386 + return err;
387 +
388 hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
389 - if (IS_ERR(hwsim_class))
390 - return PTR_ERR(hwsim_class);
391 + if (IS_ERR(hwsim_class)) {
392 + err = PTR_ERR(hwsim_class);
393 + goto failed_unregister_driver;
394 + }
395
396 memset(addr, 0, ETH_ALEN);
397 addr[0] = 0x02;
398 @@ -2211,12 +2229,20 @@ static int __init init_mac80211_hwsim(vo
399 "hwsim%d", i);
400 if (IS_ERR(data->dev)) {
401 printk(KERN_DEBUG
402 - "mac80211_hwsim: device_create "
403 - "failed (%ld)\n", PTR_ERR(data->dev));
404 + "mac80211_hwsim: device_create failed (%ld)\n",
405 + PTR_ERR(data->dev));
406 err = -ENOMEM;
407 goto failed_drvdata;
408 }
409 data->dev->driver = &mac80211_hwsim_driver;
410 + err = device_bind_driver(data->dev);
411 + if (err != 0) {
412 + printk(KERN_DEBUG
413 + "mac80211_hwsim: device_bind_driver failed (%d)\n",
414 + err);
415 + goto failed_hw;
416 + }
417 +
418 skb_queue_head_init(&data->pending);
419
420 SET_IEEE80211_DEV(hw, data->dev);
421 @@ -2515,6 +2541,8 @@ failed_drvdata:
422 ieee80211_free_hw(hw);
423 failed:
424 mac80211_hwsim_free();
425 +failed_unregister_driver:
426 + driver_unregister(&mac80211_hwsim_driver);
427 return err;
428 }
429 module_init(init_mac80211_hwsim);
430 @@ -2527,5 +2555,6 @@ static void __exit exit_mac80211_hwsim(v
431
432 mac80211_hwsim_free();
433 unregister_netdev(hwsim_mon);
434 + driver_unregister(&mac80211_hwsim_driver);
435 }
436 module_exit(exit_mac80211_hwsim);
437 --- a/drivers/net/wireless/ti/wl12xx/cmd.c
438 +++ b/drivers/net/wireless/ti/wl12xx/cmd.c
439 @@ -301,7 +301,7 @@ int wl12xx_cmd_channel_switch(struct wl1
440 }
441
442 cmd->role_id = wlvif->role_id;
443 - cmd->channel = ch_switch->channel->hw_value;
444 + cmd->channel = ch_switch->chandef.chan->hw_value;
445 cmd->switch_time = ch_switch->count;
446 cmd->stop_tx = ch_switch->block_tx;
447
448 --- a/drivers/net/wireless/ti/wl18xx/cmd.c
449 +++ b/drivers/net/wireless/ti/wl18xx/cmd.c
450 @@ -42,11 +42,11 @@ int wl18xx_cmd_channel_switch(struct wl1
451 }
452
453 cmd->role_id = wlvif->role_id;
454 - cmd->channel = ch_switch->channel->hw_value;
455 + cmd->channel = ch_switch->chandef.chan->hw_value;
456 cmd->switch_time = ch_switch->count;
457 cmd->stop_tx = ch_switch->block_tx;
458
459 - switch (ch_switch->channel->band) {
460 + switch (ch_switch->chandef.chan->band) {
461 case IEEE80211_BAND_2GHZ:
462 cmd->band = WLCORE_BAND_2_4GHZ;
463 break;
464 @@ -55,7 +55,7 @@ int wl18xx_cmd_channel_switch(struct wl1
465 break;
466 default:
467 wl1271_error("invalid channel switch band: %d",
468 - ch_switch->channel->band);
469 + ch_switch->chandef.chan->band);
470 ret = -EINVAL;
471 goto out_free;
472 }
473 --- a/include/linux/ieee80211.h
474 +++ b/include/linux/ieee80211.h
475 @@ -673,6 +673,36 @@ struct ieee80211_channel_sw_ie {
476 } __packed;
477
478 /**
479 + * struct ieee80211_ext_chansw_ie
480 + *
481 + * This structure represents the "Extended Channel Switch Announcement element"
482 + */
483 +struct ieee80211_ext_chansw_ie {
484 + u8 mode;
485 + u8 new_operating_class;
486 + u8 new_ch_num;
487 + u8 count;
488 +} __packed;
489 +
490 +/**
491 + * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
492 + * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
493 + * values here
494 + * This structure represents the "Secondary Channel Offset element"
495 + */
496 +struct ieee80211_sec_chan_offs_ie {
497 + u8 sec_chan_offs;
498 +} __packed;
499 +
500 +/**
501 + * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
502 + */
503 +struct ieee80211_wide_bw_chansw_ie {
504 + u8 new_channel_width;
505 + u8 new_center_freq_seg0, new_center_freq_seg1;
506 +} __packed;
507 +
508 +/**
509 * struct ieee80211_tim
510 *
511 * This structure refers to "Traffic Indication Map information element"
512 @@ -840,12 +870,15 @@ struct ieee80211_mgmt {
513 } __packed wme_action;
514 struct{
515 u8 action_code;
516 - u8 element_id;
517 - u8 length;
518 - struct ieee80211_channel_sw_ie sw_elem;
519 + u8 variable[0];
520 } __packed chan_switch;
521 struct{
522 u8 action_code;
523 + struct ieee80211_ext_chansw_ie data;
524 + u8 variable[0];
525 + } __packed ext_chan_switch;
526 + struct{
527 + u8 action_code;
528 u8 dialog_token;
529 u8 element_id;
530 u8 length;
531 @@ -1638,6 +1671,7 @@ enum ieee80211_eid {
532
533 WLAN_EID_HT_CAPABILITY = 45,
534 WLAN_EID_HT_OPERATION = 61,
535 + WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
536
537 WLAN_EID_RSN = 48,
538 WLAN_EID_MMIE = 76,
539 @@ -1672,6 +1706,8 @@ enum ieee80211_eid {
540 WLAN_EID_VHT_CAPABILITY = 191,
541 WLAN_EID_VHT_OPERATION = 192,
542 WLAN_EID_OPMODE_NOTIF = 199,
543 + WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
544 + WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
545
546 /* 802.11ad */
547 WLAN_EID_NON_TX_BSSID_CAP = 83,
548 @@ -1795,6 +1831,7 @@ enum ieee80211_key_len {
549
550 /* Public action codes */
551 enum ieee80211_pub_actioncode {
552 + WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
553 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
554 };
555
556 --- a/include/net/cfg80211.h
557 +++ b/include/net/cfg80211.h
558 @@ -753,6 +753,8 @@ int cfg80211_check_station_change(struct
559 * @STATION_INFO_LOCAL_PM: @local_pm filled
560 * @STATION_INFO_PEER_PM: @peer_pm filled
561 * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
562 + * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
563 + * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
564 */
565 enum station_info_flags {
566 STATION_INFO_INACTIVE_TIME = 1<<0,
567 @@ -781,6 +783,8 @@ enum station_info_flags {
568 STATION_INFO_NONPEER_PM = 1<<23,
569 STATION_INFO_RX_BYTES64 = 1<<24,
570 STATION_INFO_TX_BYTES64 = 1<<25,
571 + STATION_INFO_CHAIN_SIGNAL = 1<<26,
572 + STATION_INFO_CHAIN_SIGNAL_AVG = 1<<27,
573 };
574
575 /**
576 @@ -857,6 +861,8 @@ struct sta_bss_parameters {
577 u16 beacon_interval;
578 };
579
580 +#define IEEE80211_MAX_CHAINS 4
581 +
582 /**
583 * struct station_info - station information
584 *
585 @@ -874,6 +880,9 @@ struct sta_bss_parameters {
586 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
587 * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
588 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
589 + * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
590 + * @chain_signal: per-chain signal strength of last received packet in dBm
591 + * @chain_signal_avg: per-chain signal strength average in dBm
592 * @txrate: current unicast bitrate from this station
593 * @rxrate: current unicast bitrate to this station
594 * @rx_packets: packets received from this station
595 @@ -909,6 +918,11 @@ struct station_info {
596 u8 plink_state;
597 s8 signal;
598 s8 signal_avg;
599 +
600 + u8 chains;
601 + s8 chain_signal[IEEE80211_MAX_CHAINS];
602 + s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
603 +
604 struct rate_info txrate;
605 struct rate_info rxrate;
606 u32 rx_packets;
607 @@ -4027,6 +4041,17 @@ bool cfg80211_reg_can_beacon(struct wiph
608 void cfg80211_ch_switch_notify(struct net_device *dev,
609 struct cfg80211_chan_def *chandef);
610
611 +/**
612 + * ieee80211_operating_class_to_band - convert operating class to band
613 + *
614 + * @operating_class: the operating class to convert
615 + * @band: band pointer to fill
616 + *
617 + * Returns %true if the conversion was successful, %false otherwise.
618 + */
619 +bool ieee80211_operating_class_to_band(u8 operating_class,
620 + enum ieee80211_band *band);
621 +
622 /*
623 * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
624 * @dev: the device on which the operation is requested
625 --- a/include/net/mac80211.h
626 +++ b/include/net/mac80211.h
627 @@ -210,7 +210,7 @@ struct ieee80211_chanctx_conf {
628 * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note
629 * that it is only ever disabled for station mode.
630 * @BSS_CHANGED_IDLE: Idle changed for this BSS/interface.
631 - * @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode)
632 + * @BSS_CHANGED_SSID: SSID changed for this BSS (AP and IBSS mode)
633 * @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
634 * @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
635 * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface
636 @@ -327,7 +327,7 @@ enum ieee80211_rssi_event {
637 * your driver/device needs to do.
638 * @ps: power-save mode (STA only). This flag is NOT affected by
639 * offchannel/dynamic_ps operations.
640 - * @ssid: The SSID of the current vif. Only valid in AP-mode.
641 + * @ssid: The SSID of the current vif. Valid in AP and IBSS mode.
642 * @ssid_len: Length of SSID given in @ssid.
643 * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
644 * @txpower: TX power in dBm
645 @@ -562,6 +562,9 @@ enum mac80211_rate_control_flags {
646 /* maximum number of rate stages */
647 #define IEEE80211_TX_MAX_RATES 4
648
649 +/* maximum number of rate table entries */
650 +#define IEEE80211_TX_RATE_TABLE_SIZE 4
651 +
652 /**
653 * struct ieee80211_tx_rate - rate selection/status
654 *
655 @@ -602,8 +605,8 @@ static inline void ieee80211_rate_set_vh
656 u8 mcs, u8 nss)
657 {
658 WARN_ON(mcs & ~0xF);
659 - WARN_ON(nss & ~0x7);
660 - rate->idx = (nss << 4) | mcs;
661 + WARN_ON((nss - 1) & ~0x7);
662 + rate->idx = ((nss - 1) << 4) | mcs;
663 }
664
665 static inline u8
666 @@ -615,7 +618,7 @@ ieee80211_rate_get_vht_mcs(const struct
667 static inline u8
668 ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
669 {
670 - return rate->idx >> 4;
671 + return (rate->idx >> 4) + 1;
672 }
673
674 /**
675 @@ -656,7 +659,11 @@ struct ieee80211_tx_info {
676 struct ieee80211_tx_rate rates[
677 IEEE80211_TX_MAX_RATES];
678 s8 rts_cts_rate_idx;
679 - /* 3 bytes free */
680 + u8 use_rts:1;
681 + u8 use_cts_prot:1;
682 + u8 short_preamble:1;
683 + u8 skip_table:1;
684 + /* 2 bytes free */
685 };
686 /* only needed before rate control */
687 unsigned long jiffies;
688 @@ -677,6 +684,8 @@ struct ieee80211_tx_info {
689 struct {
690 struct ieee80211_tx_rate driver_rates[
691 IEEE80211_TX_MAX_RATES];
692 + u8 pad[4];
693 +
694 void *rate_driver_data[
695 IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)];
696 };
697 @@ -840,6 +849,9 @@ enum mac80211_rx_flags {
698 * @signal: signal strength when receiving this frame, either in dBm, in dB or
699 * unspecified depending on the hardware capabilities flags
700 * @IEEE80211_HW_SIGNAL_*
701 + * @chains: bitmask of receive chains for which separate signal strength
702 + * values were filled.
703 + * @chain_signal: per-chain signal strength, same format as @signal
704 * @antenna: antenna used
705 * @rate_idx: index of data rate into band's supported rates or MCS index if
706 * HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
707 @@ -871,6 +883,8 @@ struct ieee80211_rx_status {
708 u8 band;
709 u8 antenna;
710 s8 signal;
711 + u8 chains;
712 + s8 chain_signal[IEEE80211_MAX_CHAINS];
713 u8 ampdu_delimiter_crc;
714 u8 vendor_radiotap_align;
715 u8 vendor_radiotap_oui[3];
716 @@ -1018,13 +1032,13 @@ struct ieee80211_conf {
717 * the driver passed into mac80211.
718 * @block_tx: Indicates whether transmission must be blocked before the
719 * scheduled channel switch, as indicated by the AP.
720 - * @channel: the new channel to switch to
721 + * @chandef: the new channel to switch to
722 * @count: the number of TBTT's until the channel switch event
723 */
724 struct ieee80211_channel_switch {
725 u64 timestamp;
726 bool block_tx;
727 - struct ieee80211_channel *channel;
728 + struct cfg80211_chan_def chandef;
729 u8 count;
730 };
731
732 @@ -1222,6 +1236,24 @@ enum ieee80211_sta_rx_bandwidth {
733 };
734
735 /**
736 + * struct ieee80211_sta_rates - station rate selection table
737 + *
738 + * @rcu_head: RCU head used for freeing the table on update
739 + * @rates: transmit rates/flags to be used by default.
740 + * Overriding entries per-packet is possible by using cb tx control.
741 + */
742 +struct ieee80211_sta_rates {
743 + struct rcu_head rcu_head;
744 + struct {
745 + s8 idx;
746 + u8 count;
747 + u8 count_cts;
748 + u8 count_rts;
749 + u16 flags;
750 + } rate[IEEE80211_TX_RATE_TABLE_SIZE];
751 +};
752 +
753 +/**
754 * struct ieee80211_sta - station table entry
755 *
756 * A station table entry represents a station we are possibly
757 @@ -1248,6 +1280,7 @@ enum ieee80211_sta_rx_bandwidth {
758 * notifications and capabilities. The value is only valid after
759 * the station moves to associated state.
760 * @smps_mode: current SMPS mode (off, static or dynamic)
761 + * @tx_rates: rate control selection table
762 */
763 struct ieee80211_sta {
764 u32 supp_rates[IEEE80211_NUM_BANDS];
765 @@ -1261,6 +1294,7 @@ struct ieee80211_sta {
766 u8 rx_nss;
767 enum ieee80211_sta_rx_bandwidth bandwidth;
768 enum ieee80211_smps_mode smps_mode;
769 + struct ieee80211_sta_rates __rcu *rates;
770
771 /* must be last */
772 u8 drv_priv[0] __aligned(sizeof(void *));
773 @@ -1416,6 +1450,9 @@ struct ieee80211_tx_control {
774 * for different virtual interfaces. See the doc section on HW queue
775 * control for more details.
776 *
777 + * @IEEE80211_HW_SUPPORTS_RC_TABLE: The driver supports using a rate
778 + * selection table provided by the rate control algorithm.
779 + *
780 * @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any
781 * P2P Interface. This will be honoured even if more than one interface
782 * is supported.
783 @@ -1448,6 +1485,7 @@ enum ieee80211_hw_flags {
784 IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21,
785 IEEE80211_HW_AP_LINK_PS = 1<<22,
786 IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23,
787 + IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24,
788 IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25,
789 IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26,
790 };
791 @@ -3144,6 +3182,25 @@ void ieee80211_sta_set_buffered(struct i
792 u8 tid, bool buffered);
793
794 /**
795 + * ieee80211_get_tx_rates - get the selected transmit rates for a packet
796 + *
797 + * Call this function in a driver with per-packet rate selection support
798 + * to combine the rate info in the packet tx info with the most recent
799 + * rate selection table for the station entry.
800 + *
801 + * @vif: &struct ieee80211_vif pointer from the add_interface callback.
802 + * @sta: the receiver station to which this packet is sent.
803 + * @skb: the frame to be transmitted.
804 + * @dest: buffer for extracted rate/retry information
805 + * @max_rates: maximum number of rates to fetch
806 + */
807 +void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
808 + struct ieee80211_sta *sta,
809 + struct sk_buff *skb,
810 + struct ieee80211_tx_rate *dest,
811 + int max_rates);
812 +
813 +/**
814 * ieee80211_tx_status - transmit status callback
815 *
816 * Call this function for all transmitted frames after they have been
817 @@ -4118,7 +4175,7 @@ void ieee80211_send_bar(struct ieee80211
818 * (deprecated; this will be removed once drivers get updated to use
819 * rate_idx_mask)
820 * @rate_idx_mask: user-requested (legacy) rate mask
821 - * @rate_idx_mcs_mask: user-requested MCS rate mask
822 + * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use)
823 * @bss: whether this frame is sent out in AP or IBSS mode
824 */
825 struct ieee80211_tx_rate_control {
826 @@ -4130,7 +4187,7 @@ struct ieee80211_tx_rate_control {
827 bool rts, short_preamble;
828 u8 max_rate_idx;
829 u32 rate_idx_mask;
830 - u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
831 + u8 *rate_idx_mcs_mask;
832 bool bss;
833 };
834
835 @@ -4219,6 +4276,22 @@ bool rate_usable_index_exists(struct iee
836 return false;
837 }
838
839 +/**
840 + * rate_control_set_rates - pass the sta rate selection to mac80211/driver
841 + *
842 + * When not doing a rate control probe to test rates, rate control should pass
843 + * its rate selection to mac80211. If the driver supports receiving a station
844 + * rate table, it will use it to ensure that frames are always sent based on
845 + * the most recent rate control module decision.
846 + *
847 + * @hw: pointer as obtained from ieee80211_alloc_hw()
848 + * @pubsta: &struct ieee80211_sta pointer to the target destination.
849 + * @rates: new tx rate set to be used for this station.
850 + */
851 +int rate_control_set_rates(struct ieee80211_hw *hw,
852 + struct ieee80211_sta *pubsta,
853 + struct ieee80211_sta_rates *rates);
854 +
855 int ieee80211_rate_control_register(struct rate_control_ops *ops);
856 void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
857
858 --- a/net/mac80211/agg-rx.c
859 +++ b/net/mac80211/agg-rx.c
860 @@ -204,6 +204,8 @@ static void ieee80211_send_addba_resp(st
861 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
862 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
863 memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
864 + else if (sdata->vif.type == NL80211_IFTYPE_WDS)
865 + memcpy(mgmt->bssid, da, ETH_ALEN);
866
867 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
868 IEEE80211_STYPE_ACTION);
869 --- a/net/mac80211/agg-tx.c
870 +++ b/net/mac80211/agg-tx.c
871 @@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
872 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
873 if (sdata->vif.type == NL80211_IFTYPE_AP ||
874 sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
875 - sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
876 + sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
877 + sdata->vif.type == NL80211_IFTYPE_WDS)
878 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
879 else if (sdata->vif.type == NL80211_IFTYPE_STATION)
880 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
881 @@ -527,6 +528,7 @@ int ieee80211_start_tx_ba_session(struct
882 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
883 sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
884 sdata->vif.type != NL80211_IFTYPE_AP &&
885 + sdata->vif.type != NL80211_IFTYPE_WDS &&
886 sdata->vif.type != NL80211_IFTYPE_ADHOC)
887 return -EINVAL;
888
889 --- a/net/mac80211/cfg.c
890 +++ b/net/mac80211/cfg.c
891 @@ -444,7 +444,7 @@ static void sta_set_sinfo(struct sta_inf
892 struct ieee80211_local *local = sdata->local;
893 struct timespec uptime;
894 u64 packets = 0;
895 - int ac;
896 + int i, ac;
897
898 sinfo->generation = sdata->local->sta_generation;
899
900 @@ -488,6 +488,17 @@ static void sta_set_sinfo(struct sta_inf
901 sinfo->signal = (s8)sta->last_signal;
902 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
903 }
904 + if (sta->chains) {
905 + sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
906 + STATION_INFO_CHAIN_SIGNAL_AVG;
907 +
908 + sinfo->chains = sta->chains;
909 + for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
910 + sinfo->chain_signal[i] = sta->chain_signal_last[i];
911 + sinfo->chain_signal_avg[i] =
912 + (s8) -ewma_read(&sta->chain_signal_avg[i]);
913 + }
914 + }
915
916 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
917 sta_set_rate_info_rx(sta, &sinfo->rxrate);
918 @@ -1052,6 +1063,7 @@ static int ieee80211_stop_ap(struct wiph
919 ieee80211_free_keys(sdata);
920
921 sdata->vif.bss_conf.enable_beacon = false;
922 + sdata->vif.bss_conf.ssid_len = 0;
923 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
924 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
925
926 @@ -2416,9 +2428,22 @@ static int ieee80211_set_bitrate_mask(st
927 }
928
929 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
930 + struct ieee80211_supported_band *sband = wiphy->bands[i];
931 + int j;
932 +
933 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
934 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
935 sizeof(mask->control[i].mcs));
936 +
937 + sdata->rc_has_mcs_mask[i] = false;
938 + if (!sband)
939 + continue;
940 +
941 + for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
942 + if (~sdata->rc_rateidx_mcs_mask[i][j]) {
943 + sdata->rc_has_mcs_mask[i] = true;
944 + break;
945 + }
946 }
947
948 return 0;
949 --- a/net/mac80211/chan.c
950 +++ b/net/mac80211/chan.c
951 @@ -57,6 +57,22 @@ ieee80211_find_chanctx(struct ieee80211_
952 return NULL;
953 }
954
955 +static bool ieee80211_is_radar_required(struct ieee80211_local *local)
956 +{
957 + struct ieee80211_sub_if_data *sdata;
958 +
959 + rcu_read_lock();
960 + list_for_each_entry_rcu(sdata, &local->interfaces, list) {
961 + if (sdata->radar_required) {
962 + rcu_read_unlock();
963 + return true;
964 + }
965 + }
966 + rcu_read_unlock();
967 +
968 + return false;
969 +}
970 +
971 static struct ieee80211_chanctx *
972 ieee80211_new_chanctx(struct ieee80211_local *local,
973 const struct cfg80211_chan_def *chandef,
974 @@ -76,6 +92,9 @@ ieee80211_new_chanctx(struct ieee80211_l
975 ctx->conf.rx_chains_static = 1;
976 ctx->conf.rx_chains_dynamic = 1;
977 ctx->mode = mode;
978 + ctx->conf.radar_enabled = ieee80211_is_radar_required(local);
979 + if (!local->use_chanctx)
980 + local->hw.conf.radar_enabled = ctx->conf.radar_enabled;
981
982 /* acquire mutex to prevent idle from changing */
983 mutex_lock(&local->mtx);
984 @@ -110,6 +129,7 @@ ieee80211_new_chanctx(struct ieee80211_l
985 static void ieee80211_free_chanctx(struct ieee80211_local *local,
986 struct ieee80211_chanctx *ctx)
987 {
988 + bool check_single_channel = false;
989 lockdep_assert_held(&local->chanctx_mtx);
990
991 WARN_ON_ONCE(ctx->refcount != 0);
992 @@ -119,6 +139,14 @@ static void ieee80211_free_chanctx(struc
993 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
994 chandef->center_freq1 = chandef->chan->center_freq;
995 chandef->center_freq2 = 0;
996 +
997 + /* NOTE: Disabling radar is only valid here for
998 + * single channel context. To be sure, check it ...
999 + */
1000 + if (local->hw.conf.radar_enabled)
1001 + check_single_channel = true;
1002 + local->hw.conf.radar_enabled = false;
1003 +
1004 ieee80211_hw_config(local, 0);
1005 } else {
1006 drv_remove_chanctx(local, ctx);
1007 @@ -127,6 +155,9 @@ static void ieee80211_free_chanctx(struc
1008 list_del_rcu(&ctx->list);
1009 kfree_rcu(ctx, rcu_head);
1010
1011 + /* throw a warning if this wasn't the only channel context. */
1012 + WARN_ON(check_single_channel && !list_empty(&local->chanctx_list));
1013 +
1014 mutex_lock(&local->mtx);
1015 ieee80211_recalc_idle(local);
1016 mutex_unlock(&local->mtx);
1017 @@ -238,19 +269,11 @@ static void __ieee80211_vif_release_chan
1018 void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
1019 struct ieee80211_chanctx *chanctx)
1020 {
1021 - struct ieee80211_sub_if_data *sdata;
1022 - bool radar_enabled = false;
1023 + bool radar_enabled;
1024
1025 lockdep_assert_held(&local->chanctx_mtx);
1026
1027 - rcu_read_lock();
1028 - list_for_each_entry_rcu(sdata, &local->interfaces, list) {
1029 - if (sdata->radar_required) {
1030 - radar_enabled = true;
1031 - break;
1032 - }
1033 - }
1034 - rcu_read_unlock();
1035 + radar_enabled = ieee80211_is_radar_required(local);
1036
1037 if (radar_enabled == chanctx->conf.radar_enabled)
1038 return;
1039 --- a/net/mac80211/debugfs_sta.c
1040 +++ b/net/mac80211/debugfs_sta.c
1041 @@ -66,11 +66,11 @@ static ssize_t sta_flags_read(struct fil
1042 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
1043
1044 int res = scnprintf(buf, sizeof(buf),
1045 - "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1046 + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
1047 TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
1048 TEST(PS_DRIVER), TEST(AUTHORIZED),
1049 TEST(SHORT_PREAMBLE),
1050 - TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
1051 + TEST(WME), TEST(CLEAR_PS_FILT),
1052 TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
1053 TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
1054 TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
1055 --- a/net/mac80211/ibss.c
1056 +++ b/net/mac80211/ibss.c
1057 @@ -209,6 +209,8 @@ static void __ieee80211_sta_join_ibss(st
1058 sdata->vif.bss_conf.enable_beacon = true;
1059 sdata->vif.bss_conf.beacon_int = beacon_int;
1060 sdata->vif.bss_conf.basic_rates = basic_rates;
1061 + sdata->vif.bss_conf.ssid_len = ifibss->ssid_len;
1062 + memcpy(sdata->vif.bss_conf.ssid, ifibss->ssid, ifibss->ssid_len);
1063 bss_change = BSS_CHANGED_BEACON_INT;
1064 bss_change |= ieee80211_reset_erp_info(sdata);
1065 bss_change |= BSS_CHANGED_BSSID;
1066 @@ -217,6 +219,7 @@ static void __ieee80211_sta_join_ibss(st
1067 bss_change |= BSS_CHANGED_BASIC_RATES;
1068 bss_change |= BSS_CHANGED_HT;
1069 bss_change |= BSS_CHANGED_IBSS;
1070 + bss_change |= BSS_CHANGED_SSID;
1071
1072 /*
1073 * In 5 GHz/802.11a, we can always use short slot time.
1074 @@ -911,7 +914,7 @@ void ieee80211_rx_mgmt_probe_beacon(stru
1075 return;
1076
1077 ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
1078 - &elems);
1079 + false, &elems);
1080
1081 ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
1082 }
1083 @@ -1159,6 +1162,7 @@ int ieee80211_ibss_leave(struct ieee8021
1084 sdata->vif.bss_conf.ibss_joined = false;
1085 sdata->vif.bss_conf.ibss_creator = false;
1086 sdata->vif.bss_conf.enable_beacon = false;
1087 + sdata->vif.bss_conf.ssid_len = 0;
1088 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1089 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
1090 BSS_CHANGED_IBSS);
1091 --- a/net/mac80211/ieee80211_i.h
1092 +++ b/net/mac80211/ieee80211_i.h
1093 @@ -156,6 +156,7 @@ struct ieee80211_tx_data {
1094 struct ieee80211_sub_if_data *sdata;
1095 struct sta_info *sta;
1096 struct ieee80211_key *key;
1097 + struct ieee80211_tx_rate rate;
1098
1099 unsigned int flags;
1100 };
1101 @@ -740,6 +741,8 @@ struct ieee80211_sub_if_data {
1102
1103 /* bitmap of allowed (non-MCS) rate indexes for rate control */
1104 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
1105 +
1106 + bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
1107 u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
1108
1109 union {
1110 @@ -1025,7 +1028,7 @@ struct ieee80211_local {
1111 enum mac80211_scan_state next_scan_state;
1112 struct delayed_work scan_work;
1113 struct ieee80211_sub_if_data __rcu *scan_sdata;
1114 - struct ieee80211_channel *csa_channel;
1115 + struct cfg80211_chan_def csa_chandef;
1116 /* For backward compatibility only -- do not use */
1117 struct cfg80211_chan_def _oper_chandef;
1118
1119 @@ -1184,10 +1187,13 @@ struct ieee802_11_elems {
1120 const u8 *perr;
1121 const struct ieee80211_rann_ie *rann;
1122 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1123 + const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1124 + const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1125 const u8 *country_elem;
1126 const u8 *pwr_constr_elem;
1127 const struct ieee80211_timeout_interval_ie *timeout_int;
1128 const u8 *opmode_notif;
1129 + const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1130
1131 /* length of them, respectively */
1132 u8 ssid_len;
1133 @@ -1258,10 +1264,6 @@ void ieee80211_recalc_ps_vif(struct ieee
1134 int ieee80211_max_network_latency(struct notifier_block *nb,
1135 unsigned long data, void *dummy);
1136 int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1137 -void
1138 -ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
1139 - const struct ieee80211_channel_sw_ie *sw_elem,
1140 - struct ieee80211_bss *bss, u64 timestamp);
1141 void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1142 void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1143 struct sk_buff *skb);
1144 @@ -1499,13 +1501,13 @@ static inline void ieee80211_tx_skb(stru
1145 ieee80211_tx_skb_tid(sdata, skb, 7);
1146 }
1147
1148 -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
1149 +u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action,
1150 struct ieee802_11_elems *elems,
1151 u64 filter, u32 crc);
1152 -static inline void ieee802_11_parse_elems(u8 *start, size_t len,
1153 +static inline void ieee802_11_parse_elems(u8 *start, size_t len, bool action,
1154 struct ieee802_11_elems *elems)
1155 {
1156 - ieee802_11_parse_elems_crc(start, len, elems, 0, 0);
1157 + ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
1158 }
1159
1160 u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
1161 --- a/net/mac80211/iface.c
1162 +++ b/net/mac80211/iface.c
1163 @@ -450,7 +450,6 @@ int ieee80211_do_open(struct wireless_de
1164 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
1165 struct net_device *dev = wdev->netdev;
1166 struct ieee80211_local *local = sdata->local;
1167 - struct sta_info *sta;
1168 u32 changed = 0;
1169 int res;
1170 u32 hw_reconf_flags = 0;
1171 @@ -609,30 +608,8 @@ int ieee80211_do_open(struct wireless_de
1172
1173 set_bit(SDATA_STATE_RUNNING, &sdata->state);
1174
1175 - if (sdata->vif.type == NL80211_IFTYPE_WDS) {
1176 - /* Create STA entry for the WDS peer */
1177 - sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
1178 - GFP_KERNEL);
1179 - if (!sta) {
1180 - res = -ENOMEM;
1181 - goto err_del_interface;
1182 - }
1183 -
1184 - sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1185 - sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1186 - sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
1187 -
1188 - res = sta_info_insert(sta);
1189 - if (res) {
1190 - /* STA has been freed */
1191 - goto err_del_interface;
1192 - }
1193 -
1194 - rate_control_rate_init(sta);
1195 - netif_carrier_on(dev);
1196 - } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
1197 + if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
1198 rcu_assign_pointer(local->p2p_sdata, sdata);
1199 - }
1200
1201 /*
1202 * set_multicast_list will be invoked by the networking core
1203 @@ -1092,6 +1069,74 @@ static void ieee80211_if_setup(struct ne
1204 dev->destructor = free_netdev;
1205 }
1206
1207 +static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1208 + struct sk_buff *skb)
1209 +{
1210 + struct ieee80211_local *local = sdata->local;
1211 + struct ieee80211_rx_status *rx_status;
1212 + struct ieee802_11_elems elems;
1213 + struct ieee80211_mgmt *mgmt;
1214 + struct sta_info *sta;
1215 + size_t baselen;
1216 + u32 rates = 0;
1217 + u16 stype;
1218 + bool new = false;
1219 + enum ieee80211_band band;
1220 + struct ieee80211_supported_band *sband;
1221 +
1222 + rx_status = IEEE80211_SKB_RXCB(skb);
1223 + band = rx_status->band;
1224 + sband = local->hw.wiphy->bands[band];
1225 + mgmt = (struct ieee80211_mgmt *) skb->data;
1226 + stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
1227 +
1228 + if (stype != IEEE80211_STYPE_BEACON)
1229 + return;
1230 +
1231 + baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
1232 + if (baselen > skb->len)
1233 + return;
1234 +
1235 + ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
1236 + skb->len - baselen, false, &elems);
1237 +
1238 + rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
1239 +
1240 + rcu_read_lock();
1241 +
1242 + sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
1243 +
1244 + if (!sta) {
1245 + rcu_read_unlock();
1246 + sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
1247 + GFP_KERNEL);
1248 + if (!sta)
1249 + return;
1250 +
1251 + new = true;
1252 + }
1253 +
1254 + sta->last_rx = jiffies;
1255 + sta->sta.supp_rates[band] = rates;
1256 +
1257 + if (elems.ht_cap_elem)
1258 + ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1259 + elems.ht_cap_elem, sta);
1260 +
1261 + if (elems.wmm_param)
1262 + set_sta_flag(sta, WLAN_STA_WME);
1263 +
1264 + if (new) {
1265 + sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1266 + sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1267 + sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
1268 + rate_control_rate_init(sta);
1269 + sta_info_insert_rcu(sta);
1270 + }
1271 +
1272 + rcu_read_unlock();
1273 +}
1274 +
1275 static void ieee80211_iface_work(struct work_struct *work)
1276 {
1277 struct ieee80211_sub_if_data *sdata =
1278 @@ -1196,6 +1241,9 @@ static void ieee80211_iface_work(struct
1279 break;
1280 ieee80211_mesh_rx_queued_mgmt(sdata, skb);
1281 break;
1282 + case NL80211_IFTYPE_WDS:
1283 + ieee80211_wds_rx_queued_mgmt(sdata, skb);
1284 + break;
1285 default:
1286 WARN(1, "frame for unexpected interface type");
1287 break;
1288 --- a/net/mac80211/main.c
1289 +++ b/net/mac80211/main.c
1290 @@ -674,6 +674,7 @@ int ieee80211_register_hw(struct ieee802
1291 int channels, max_bitrates;
1292 bool supp_ht, supp_vht;
1293 netdev_features_t feature_whitelist;
1294 + struct cfg80211_chan_def dflt_chandef = {};
1295 static const u32 cipher_suites[] = {
1296 /* keep WEP first, it may be removed below */
1297 WLAN_CIPHER_SUITE_WEP40,
1298 @@ -751,19 +752,19 @@ int ieee80211_register_hw(struct ieee802
1299 sband = local->hw.wiphy->bands[band];
1300 if (!sband)
1301 continue;
1302 - if (!local->use_chanctx && !local->_oper_chandef.chan) {
1303 +
1304 + if (!dflt_chandef.chan) {
1305 + cfg80211_chandef_create(&dflt_chandef,
1306 + &sband->channels[0],
1307 + NL80211_CHAN_NO_HT);
1308 /* init channel we're on */
1309 - struct cfg80211_chan_def chandef = {
1310 - .chan = &sband->channels[0],
1311 - .width = NL80211_CHAN_NO_HT,
1312 - .center_freq1 = sband->channels[0].center_freq,
1313 - .center_freq2 = 0
1314 - };
1315 - local->hw.conf.chandef = local->_oper_chandef = chandef;
1316 + if (!local->use_chanctx && !local->_oper_chandef.chan) {
1317 + local->hw.conf.chandef = dflt_chandef;
1318 + local->_oper_chandef = dflt_chandef;
1319 + }
1320 + local->monitor_chandef = dflt_chandef;
1321 }
1322 - cfg80211_chandef_create(&local->monitor_chandef,
1323 - &sband->channels[0],
1324 - NL80211_CHAN_NO_HT);
1325 +
1326 channels += sband->n_channels;
1327
1328 if (max_bitrates < sband->n_bitrates)
1329 --- a/net/mac80211/mesh.c
1330 +++ b/net/mac80211/mesh.c
1331 @@ -838,7 +838,7 @@ ieee80211_mesh_rx_probe_req(struct ieee8
1332 if (baselen > len)
1333 return;
1334
1335 - ieee802_11_parse_elems(pos, len - baselen, &elems);
1336 + ieee802_11_parse_elems(pos, len - baselen, false, &elems);
1337
1338 /* 802.11-2012 10.1.4.3.2 */
1339 if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
1340 @@ -899,7 +899,7 @@ static void ieee80211_mesh_rx_bcn_presp(
1341 return;
1342
1343 ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
1344 - &elems);
1345 + false, &elems);
1346
1347 /* ignore non-mesh or secure / unsecure mismatch */
1348 if ((!elems.mesh_id || !elems.mesh_config) ||
1349 --- a/net/mac80211/mesh_hwmp.c
1350 +++ b/net/mac80211/mesh_hwmp.c
1351 @@ -880,7 +880,7 @@ void mesh_rx_path_sel_frame(struct ieee8
1352
1353 baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
1354 ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
1355 - len - baselen, &elems);
1356 + len - baselen, false, &elems);
1357
1358 if (elems.preq) {
1359 if (elems.preq_len != 37)
1360 --- a/net/mac80211/mesh_plink.c
1361 +++ b/net/mac80211/mesh_plink.c
1362 @@ -544,8 +544,8 @@ static void mesh_plink_timer(unsigned lo
1363 return;
1364 }
1365 mpl_dbg(sta->sdata,
1366 - "Mesh plink timer for %pM fired on state %d\n",
1367 - sta->sta.addr, sta->plink_state);
1368 + "Mesh plink timer for %pM fired on state %s\n",
1369 + sta->sta.addr, mplstates[sta->plink_state]);
1370 reason = 0;
1371 llid = sta->llid;
1372 plid = sta->plid;
1373 @@ -687,7 +687,7 @@ void mesh_rx_plink_frame(struct ieee8021
1374 baseaddr += 4;
1375 baselen += 4;
1376 }
1377 - ieee802_11_parse_elems(baseaddr, len - baselen, &elems);
1378 + ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
1379
1380 if (!elems.peering) {
1381 mpl_dbg(sdata,
1382 --- a/net/mac80211/mlme.c
1383 +++ b/net/mac80211/mlme.c
1384 @@ -289,6 +289,8 @@ ieee80211_determine_chantype(struct ieee
1385 } else {
1386 /* 40 MHz (and 80 MHz) must be supported for VHT */
1387 ret = IEEE80211_STA_DISABLE_VHT;
1388 + /* also mark 40 MHz disabled */
1389 + ret |= IEEE80211_STA_DISABLE_40MHZ;
1390 goto out;
1391 }
1392
1393 @@ -303,12 +305,6 @@ ieee80211_determine_chantype(struct ieee
1394 channel->band);
1395 vht_chandef.center_freq2 = 0;
1396
1397 - if (vht_oper->center_freq_seg2_idx)
1398 - vht_chandef.center_freq2 =
1399 - ieee80211_channel_to_frequency(
1400 - vht_oper->center_freq_seg2_idx,
1401 - channel->band);
1402 -
1403 switch (vht_oper->chan_width) {
1404 case IEEE80211_VHT_CHANWIDTH_USE_HT:
1405 vht_chandef.width = chandef->width;
1406 @@ -321,6 +317,10 @@ ieee80211_determine_chantype(struct ieee
1407 break;
1408 case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
1409 vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
1410 + vht_chandef.center_freq2 =
1411 + ieee80211_channel_to_frequency(
1412 + vht_oper->center_freq_seg2_idx,
1413 + channel->band);
1414 break;
1415 default:
1416 if (verbose)
1417 @@ -604,7 +604,6 @@ static void ieee80211_add_vht_ie(struct
1418 u8 *pos;
1419 u32 cap;
1420 struct ieee80211_sta_vht_cap vht_cap;
1421 - int i;
1422
1423 BUILD_BUG_ON(sizeof(vht_cap) != sizeof(sband->vht_cap));
1424
1425 @@ -632,37 +631,6 @@ static void ieee80211_add_vht_ie(struct
1426 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)))
1427 cap &= ~IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1428
1429 - if (!(ap_vht_cap->vht_cap_info &
1430 - cpu_to_le32(IEEE80211_VHT_CAP_TXSTBC)))
1431 - cap &= ~(IEEE80211_VHT_CAP_RXSTBC_1 |
1432 - IEEE80211_VHT_CAP_RXSTBC_3 |
1433 - IEEE80211_VHT_CAP_RXSTBC_4);
1434 -
1435 - for (i = 0; i < 8; i++) {
1436 - int shift = i * 2;
1437 - u16 mask = IEEE80211_VHT_MCS_NOT_SUPPORTED << shift;
1438 - u16 ap_mcs, our_mcs;
1439 -
1440 - ap_mcs = (le16_to_cpu(ap_vht_cap->supp_mcs.tx_mcs_map) &
1441 - mask) >> shift;
1442 - our_mcs = (le16_to_cpu(vht_cap.vht_mcs.rx_mcs_map) &
1443 - mask) >> shift;
1444 -
1445 - if (our_mcs == IEEE80211_VHT_MCS_NOT_SUPPORTED)
1446 - continue;
1447 -
1448 - switch (ap_mcs) {
1449 - default:
1450 - if (our_mcs <= ap_mcs)
1451 - break;
1452 - /* fall through */
1453 - case IEEE80211_VHT_MCS_NOT_SUPPORTED:
1454 - vht_cap.vht_mcs.rx_mcs_map &= cpu_to_le16(~mask);
1455 - vht_cap.vht_mcs.rx_mcs_map |=
1456 - cpu_to_le16(ap_mcs << shift);
1457 - }
1458 - }
1459 -
1460 /* reserve and fill IE */
1461 pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
1462 ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
1463 @@ -998,16 +966,7 @@ static void ieee80211_chswitch_work(stru
1464 if (!ifmgd->associated)
1465 goto out;
1466
1467 - /*
1468 - * FIXME: Here we are downgrading to NL80211_CHAN_WIDTH_20_NOHT
1469 - * and don't adjust our ht/vht settings
1470 - * This is wrong - we should behave according to the CSA params
1471 - */
1472 - local->_oper_chandef.chan = local->csa_channel;
1473 - local->_oper_chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
1474 - local->_oper_chandef.center_freq1 =
1475 - local->_oper_chandef.chan->center_freq;
1476 - local->_oper_chandef.center_freq2 = 0;
1477 + local->_oper_chandef = local->csa_chandef;
1478
1479 if (!local->ops->channel_switch) {
1480 /* call "hw_config" only if doing sw channel switch */
1481 @@ -1054,56 +1013,208 @@ static void ieee80211_chswitch_timer(uns
1482 ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.chswitch_work);
1483 }
1484
1485 -void
1486 +static void
1487 ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
1488 - const struct ieee80211_channel_sw_ie *sw_elem,
1489 - struct ieee80211_bss *bss, u64 timestamp)
1490 + u64 timestamp, struct ieee802_11_elems *elems,
1491 + bool beacon)
1492 {
1493 - struct cfg80211_bss *cbss =
1494 - container_of((void *)bss, struct cfg80211_bss, priv);
1495 - struct ieee80211_channel *new_ch;
1496 + struct ieee80211_local *local = sdata->local;
1497 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
1498 - int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num,
1499 - cbss->channel->band);
1500 + struct cfg80211_bss *cbss = ifmgd->associated;
1501 + struct ieee80211_bss *bss;
1502 struct ieee80211_chanctx *chanctx;
1503 + enum ieee80211_band new_band;
1504 + int new_freq;
1505 + u8 new_chan_no;
1506 + u8 count;
1507 + u8 mode;
1508 + struct ieee80211_channel *new_chan;
1509 + struct cfg80211_chan_def new_chandef = {};
1510 + struct cfg80211_chan_def new_vht_chandef = {};
1511 + const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1512 + const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1513 + const struct ieee80211_ht_operation *ht_oper;
1514 + int secondary_channel_offset = -1;
1515
1516 ASSERT_MGD_MTX(ifmgd);
1517
1518 - if (!ifmgd->associated)
1519 + if (!cbss)
1520 + return;
1521 +
1522 + if (local->scanning)
1523 return;
1524
1525 - if (sdata->local->scanning)
1526 + /* disregard subsequent announcements if we are already processing */
1527 + if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
1528 return;
1529
1530 - /* Disregard subsequent beacons if we are already running a timer
1531 - processing a CSA */
1532 + sec_chan_offs = elems->sec_chan_offs;
1533 + wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
1534 + ht_oper = elems->ht_operation;
1535 +
1536 + if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
1537 + IEEE80211_STA_DISABLE_40MHZ)) {
1538 + sec_chan_offs = NULL;
1539 + wide_bw_chansw_ie = NULL;
1540 + /* only used for bandwidth here */
1541 + ht_oper = NULL;
1542 + }
1543
1544 - if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
1545 + if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
1546 + wide_bw_chansw_ie = NULL;
1547 +
1548 + if (elems->ext_chansw_ie) {
1549 + if (!ieee80211_operating_class_to_band(
1550 + elems->ext_chansw_ie->new_operating_class,
1551 + &new_band)) {
1552 + sdata_info(sdata,
1553 + "cannot understand ECSA IE operating class %d, disconnecting\n",
1554 + elems->ext_chansw_ie->new_operating_class);
1555 + ieee80211_queue_work(&local->hw,
1556 + &ifmgd->csa_connection_drop_work);
1557 + }
1558 + new_chan_no = elems->ext_chansw_ie->new_ch_num;
1559 + count = elems->ext_chansw_ie->count;
1560 + mode = elems->ext_chansw_ie->mode;
1561 + } else if (elems->ch_switch_ie) {
1562 + new_band = cbss->channel->band;
1563 + new_chan_no = elems->ch_switch_ie->new_ch_num;
1564 + count = elems->ch_switch_ie->count;
1565 + mode = elems->ch_switch_ie->mode;
1566 + } else {
1567 + /* nothing here we understand */
1568 return;
1569 + }
1570 +
1571 + bss = (void *)cbss->priv;
1572
1573 - new_ch = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
1574 - if (!new_ch || new_ch->flags & IEEE80211_CHAN_DISABLED) {
1575 + new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band);
1576 + new_chan = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
1577 + if (!new_chan || new_chan->flags & IEEE80211_CHAN_DISABLED) {
1578 sdata_info(sdata,
1579 "AP %pM switches to unsupported channel (%d MHz), disconnecting\n",
1580 ifmgd->associated->bssid, new_freq);
1581 - ieee80211_queue_work(&sdata->local->hw,
1582 + ieee80211_queue_work(&local->hw,
1583 + &ifmgd->csa_connection_drop_work);
1584 + return;
1585 + }
1586 +
1587 + if (!beacon && sec_chan_offs) {
1588 + secondary_channel_offset = sec_chan_offs->sec_chan_offs;
1589 + } else if (beacon && ht_oper) {
1590 + secondary_channel_offset =
1591 + ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
1592 + } else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
1593 + /*
1594 + * If it's not a beacon, HT is enabled and the IE not present,
1595 + * it's 20 MHz, 802.11-2012 8.5.2.6:
1596 + * This element [the Secondary Channel Offset Element] is
1597 + * present when switching to a 40 MHz channel. It may be
1598 + * present when switching to a 20 MHz channel (in which
1599 + * case the secondary channel offset is set to SCN).
1600 + */
1601 + secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
1602 + }
1603 +
1604 + switch (secondary_channel_offset) {
1605 + default:
1606 + /* secondary_channel_offset was present but is invalid */
1607 + case IEEE80211_HT_PARAM_CHA_SEC_NONE:
1608 + cfg80211_chandef_create(&new_chandef, new_chan,
1609 + NL80211_CHAN_HT20);
1610 + break;
1611 + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
1612 + cfg80211_chandef_create(&new_chandef, new_chan,
1613 + NL80211_CHAN_HT40PLUS);
1614 + break;
1615 + case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
1616 + cfg80211_chandef_create(&new_chandef, new_chan,
1617 + NL80211_CHAN_HT40MINUS);
1618 + break;
1619 + case -1:
1620 + cfg80211_chandef_create(&new_chandef, new_chan,
1621 + NL80211_CHAN_NO_HT);
1622 + break;
1623 + }
1624 +
1625 + if (wide_bw_chansw_ie) {
1626 + new_vht_chandef.chan = new_chan;
1627 + new_vht_chandef.center_freq1 =
1628 + ieee80211_channel_to_frequency(
1629 + wide_bw_chansw_ie->new_center_freq_seg0,
1630 + new_band);
1631 +
1632 + switch (wide_bw_chansw_ie->new_channel_width) {
1633 + default:
1634 + /* hmmm, ignore VHT and use HT if present */
1635 + case IEEE80211_VHT_CHANWIDTH_USE_HT:
1636 + new_vht_chandef.chan = NULL;
1637 + break;
1638 + case IEEE80211_VHT_CHANWIDTH_80MHZ:
1639 + new_vht_chandef.width = NL80211_CHAN_WIDTH_80;
1640 + break;
1641 + case IEEE80211_VHT_CHANWIDTH_160MHZ:
1642 + new_vht_chandef.width = NL80211_CHAN_WIDTH_160;
1643 + break;
1644 + case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
1645 + /* field is otherwise reserved */
1646 + new_vht_chandef.center_freq2 =
1647 + ieee80211_channel_to_frequency(
1648 + wide_bw_chansw_ie->new_center_freq_seg1,
1649 + new_band);
1650 + new_vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
1651 + break;
1652 + }
1653 + if (ifmgd->flags & IEEE80211_STA_DISABLE_80P80MHZ &&
1654 + new_vht_chandef.width == NL80211_CHAN_WIDTH_80P80)
1655 + chandef_downgrade(&new_vht_chandef);
1656 + if (ifmgd->flags & IEEE80211_STA_DISABLE_160MHZ &&
1657 + new_vht_chandef.width == NL80211_CHAN_WIDTH_160)
1658 + chandef_downgrade(&new_vht_chandef);
1659 + if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ &&
1660 + new_vht_chandef.width > NL80211_CHAN_WIDTH_20)
1661 + chandef_downgrade(&new_vht_chandef);
1662 + }
1663 +
1664 + /* if VHT data is there validate & use it */
1665 + if (new_vht_chandef.chan) {
1666 + if (!cfg80211_chandef_compatible(&new_vht_chandef,
1667 + &new_chandef)) {
1668 + sdata_info(sdata,
1669 + "AP %pM CSA has inconsistent channel data, disconnecting\n",
1670 + ifmgd->associated->bssid);
1671 + ieee80211_queue_work(&local->hw,
1672 + &ifmgd->csa_connection_drop_work);
1673 + return;
1674 + }
1675 + new_chandef = new_vht_chandef;
1676 + }
1677 +
1678 + if (!cfg80211_chandef_usable(local->hw.wiphy, &new_chandef,
1679 + IEEE80211_CHAN_DISABLED)) {
1680 + sdata_info(sdata,
1681 + "AP %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
1682 + ifmgd->associated->bssid, new_freq,
1683 + new_chandef.width, new_chandef.center_freq1,
1684 + new_chandef.center_freq2);
1685 + ieee80211_queue_work(&local->hw,
1686 &ifmgd->csa_connection_drop_work);
1687 return;
1688 }
1689
1690 ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
1691
1692 - if (sdata->local->use_chanctx) {
1693 + if (local->use_chanctx) {
1694 sdata_info(sdata,
1695 "not handling channel switch with channel contexts\n");
1696 - ieee80211_queue_work(&sdata->local->hw,
1697 + ieee80211_queue_work(&local->hw,
1698 &ifmgd->csa_connection_drop_work);
1699 return;
1700 }
1701
1702 - mutex_lock(&sdata->local->chanctx_mtx);
1703 + mutex_lock(&local->chanctx_mtx);
1704 if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
1705 - mutex_unlock(&sdata->local->chanctx_mtx);
1706 + mutex_unlock(&local->chanctx_mtx);
1707 return;
1708 }
1709 chanctx = container_of(rcu_access_pointer(sdata->vif.chanctx_conf),
1710 @@ -1111,40 +1222,39 @@ ieee80211_sta_process_chanswitch(struct
1711 if (chanctx->refcount > 1) {
1712 sdata_info(sdata,
1713 "channel switch with multiple interfaces on the same channel, disconnecting\n");
1714 - ieee80211_queue_work(&sdata->local->hw,
1715 + ieee80211_queue_work(&local->hw,
1716 &ifmgd->csa_connection_drop_work);
1717 - mutex_unlock(&sdata->local->chanctx_mtx);
1718 + mutex_unlock(&local->chanctx_mtx);
1719 return;
1720 }
1721 - mutex_unlock(&sdata->local->chanctx_mtx);
1722 + mutex_unlock(&local->chanctx_mtx);
1723
1724 - sdata->local->csa_channel = new_ch;
1725 + local->csa_chandef = new_chandef;
1726
1727 - if (sw_elem->mode)
1728 - ieee80211_stop_queues_by_reason(&sdata->local->hw,
1729 + if (mode)
1730 + ieee80211_stop_queues_by_reason(&local->hw,
1731 IEEE80211_MAX_QUEUE_MAP,
1732 IEEE80211_QUEUE_STOP_REASON_CSA);
1733
1734 - if (sdata->local->ops->channel_switch) {
1735 + if (local->ops->channel_switch) {
1736 /* use driver's channel switch callback */
1737 struct ieee80211_channel_switch ch_switch = {
1738 .timestamp = timestamp,
1739 - .block_tx = sw_elem->mode,
1740 - .channel = new_ch,
1741 - .count = sw_elem->count,
1742 + .block_tx = mode,
1743 + .chandef = new_chandef,
1744 + .count = count,
1745 };
1746
1747 - drv_channel_switch(sdata->local, &ch_switch);
1748 + drv_channel_switch(local, &ch_switch);
1749 return;
1750 }
1751
1752 /* channel switch handled in software */
1753 - if (sw_elem->count <= 1)
1754 - ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
1755 + if (count <= 1)
1756 + ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
1757 else
1758 mod_timer(&ifmgd->chswitch_timer,
1759 - TU_TO_EXP_TIME(sw_elem->count *
1760 - cbss->beacon_interval));
1761 + TU_TO_EXP_TIME(count * cbss->beacon_interval));
1762 }
1763
1764 static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
1765 @@ -2120,7 +2230,6 @@ void ieee80211_beacon_loss(struct ieee80
1766
1767 trace_api_beacon_loss(sdata);
1768
1769 - WARN_ON(hw->flags & IEEE80211_HW_CONNECTION_MONITOR);
1770 sdata->u.mgd.connection_loss = false;
1771 ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
1772 }
1773 @@ -2170,7 +2279,7 @@ static void ieee80211_auth_challenge(str
1774 u32 tx_flags = 0;
1775
1776 pos = mgmt->u.auth.variable;
1777 - ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
1778 + ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
1779 if (!elems.challenge)
1780 return;
1781 auth_data->expected_transaction = 4;
1782 @@ -2435,7 +2544,7 @@ static bool ieee80211_assoc_success(stru
1783 }
1784
1785 pos = mgmt->u.assoc_resp.variable;
1786 - ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
1787 + ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
1788
1789 if (!elems.supp_rates) {
1790 sdata_info(sdata, "no SuppRates element in AssocResp\n");
1791 @@ -2604,7 +2713,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
1792 capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
1793
1794 pos = mgmt->u.assoc_resp.variable;
1795 - ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
1796 + ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
1797
1798 if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
1799 elems.timeout_int &&
1800 @@ -2659,6 +2768,8 @@ static void ieee80211_rx_bss_info(struct
1801 struct ieee80211_channel *channel;
1802 bool need_ps = false;
1803
1804 + lockdep_assert_held(&sdata->u.mgd.mtx);
1805 +
1806 if ((sdata->u.mgd.associated &&
1807 ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid)) ||
1808 (sdata->u.mgd.assoc_data &&
1809 @@ -2689,7 +2800,8 @@ static void ieee80211_rx_bss_info(struct
1810 if (bss)
1811 ieee80211_rx_bss_put(local, bss);
1812
1813 - if (!sdata->u.mgd.associated)
1814 + if (!sdata->u.mgd.associated ||
1815 + !ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid))
1816 return;
1817
1818 if (need_ps) {
1819 @@ -2698,10 +2810,9 @@ static void ieee80211_rx_bss_info(struct
1820 mutex_unlock(&local->iflist_mtx);
1821 }
1822
1823 - if (elems->ch_switch_ie &&
1824 - memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, ETH_ALEN) == 0)
1825 - ieee80211_sta_process_chanswitch(sdata, elems->ch_switch_ie,
1826 - bss, rx_status->mactime);
1827 + ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
1828 + elems, true);
1829 +
1830 }
1831
1832
1833 @@ -2726,7 +2837,7 @@ static void ieee80211_rx_mgmt_probe_resp
1834 return;
1835
1836 ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
1837 - &elems);
1838 + false, &elems);
1839
1840 ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
1841
1842 @@ -2809,7 +2920,7 @@ ieee80211_rx_mgmt_beacon(struct ieee8021
1843 if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
1844 ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
1845 ieee802_11_parse_elems(mgmt->u.beacon.variable,
1846 - len - baselen, &elems);
1847 + len - baselen, false, &elems);
1848
1849 ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
1850 ifmgd->assoc_data->have_beacon = true;
1851 @@ -2919,7 +3030,7 @@ ieee80211_rx_mgmt_beacon(struct ieee8021
1852
1853 ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
1854 ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
1855 - len - baselen, &elems,
1856 + len - baselen, false, &elems,
1857 care_about_ies, ncrc);
1858
1859 if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
1860 @@ -3066,6 +3177,8 @@ void ieee80211_sta_rx_queued_mgmt(struct
1861 enum rx_mgmt_action rma = RX_MGMT_NONE;
1862 u8 deauth_buf[IEEE80211_DEAUTH_FRAME_LEN];
1863 u16 fc;
1864 + struct ieee802_11_elems elems;
1865 + int ies_len;
1866
1867 rx_status = (struct ieee80211_rx_status *) skb->cb;
1868 mgmt = (struct ieee80211_mgmt *) skb->data;
1869 @@ -3095,14 +3208,48 @@ void ieee80211_sta_rx_queued_mgmt(struct
1870 rma = ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, &bss);
1871 break;
1872 case IEEE80211_STYPE_ACTION:
1873 - switch (mgmt->u.action.category) {
1874 - case WLAN_CATEGORY_SPECTRUM_MGMT:
1875 + if (mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) {
1876 + ies_len = skb->len -
1877 + offsetof(struct ieee80211_mgmt,
1878 + u.action.u.chan_switch.variable);
1879 +
1880 + if (ies_len < 0)
1881 + break;
1882 +
1883 + ieee802_11_parse_elems(
1884 + mgmt->u.action.u.chan_switch.variable,
1885 + ies_len, true, &elems);
1886 +
1887 + if (elems.parse_error)
1888 + break;
1889 +
1890 ieee80211_sta_process_chanswitch(sdata,
1891 - &mgmt->u.action.u.chan_switch.sw_elem,
1892 - (void *)ifmgd->associated->priv,
1893 - rx_status->mactime);
1894 - break;
1895 + rx_status->mactime,
1896 + &elems, false);
1897 + } else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
1898 + ies_len = skb->len -
1899 + offsetof(struct ieee80211_mgmt,
1900 + u.action.u.ext_chan_switch.variable);
1901 +
1902 + if (ies_len < 0)
1903 + break;
1904 +
1905 + ieee802_11_parse_elems(
1906 + mgmt->u.action.u.ext_chan_switch.variable,
1907 + ies_len, true, &elems);
1908 +
1909 + if (elems.parse_error)
1910 + break;
1911 +
1912 + /* for the handling code pretend this was also an IE */
1913 + elems.ext_chansw_ie =
1914 + &mgmt->u.action.u.ext_chan_switch.data;
1915 +
1916 + ieee80211_sta_process_chanswitch(sdata,
1917 + rx_status->mactime,
1918 + &elems, false);
1919 }
1920 + break;
1921 }
1922 mutex_unlock(&ifmgd->mtx);
1923
1924 @@ -4197,7 +4344,7 @@ int ieee80211_mgd_deauth(struct ieee8021
1925 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
1926 u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
1927 bool tx = !req->local_state_change;
1928 - bool sent_frame = false;
1929 + bool report_frame = false;
1930
1931 mutex_lock(&ifmgd->mtx);
1932
1933 @@ -4214,7 +4361,7 @@ int ieee80211_mgd_deauth(struct ieee8021
1934 ieee80211_destroy_auth_data(sdata, false);
1935 mutex_unlock(&ifmgd->mtx);
1936
1937 - sent_frame = tx;
1938 + report_frame = true;
1939 goto out;
1940 }
1941
1942 @@ -4222,12 +4369,12 @@ int ieee80211_mgd_deauth(struct ieee8021
1943 ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
1944 ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
1945 req->reason_code, tx, frame_buf);
1946 - sent_frame = tx;
1947 + report_frame = true;
1948 }
1949 mutex_unlock(&ifmgd->mtx);
1950
1951 out:
1952 - if (sent_frame)
1953 + if (report_frame)
1954 __cfg80211_send_deauth(sdata->dev, frame_buf,
1955 IEEE80211_DEAUTH_FRAME_LEN);
1956
1957 --- a/net/mac80211/pm.c
1958 +++ b/net/mac80211/pm.c
1959 @@ -38,8 +38,8 @@ int __ieee80211_suspend(struct ieee80211
1960 IEEE80211_MAX_QUEUE_MAP,
1961 IEEE80211_QUEUE_STOP_REASON_SUSPEND);
1962
1963 - /* flush out all packets */
1964 - synchronize_net();
1965 + /* flush out all packets and station cleanup call_rcu()s */
1966 + rcu_barrier();
1967
1968 ieee80211_flush_queues(local, NULL);
1969
1970 --- a/net/mac80211/rate.c
1971 +++ b/net/mac80211/rate.c
1972 @@ -252,6 +252,25 @@ rate_lowest_non_cck_index(struct ieee802
1973 return 0;
1974 }
1975
1976 +static void __rate_control_send_low(struct ieee80211_hw *hw,
1977 + struct ieee80211_supported_band *sband,
1978 + struct ieee80211_sta *sta,
1979 + struct ieee80211_tx_info *info)
1980 +{
1981 + if ((sband->band != IEEE80211_BAND_2GHZ) ||
1982 + !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
1983 + info->control.rates[0].idx = rate_lowest_index(sband, sta);
1984 + else
1985 + info->control.rates[0].idx =
1986 + rate_lowest_non_cck_index(sband, sta);
1987 +
1988 + info->control.rates[0].count =
1989 + (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
1990 + 1 : hw->max_rate_tries;
1991 +
1992 + info->control.skip_table = 1;
1993 +}
1994 +
1995
1996 bool rate_control_send_low(struct ieee80211_sta *sta,
1997 void *priv_sta,
1998 @@ -262,16 +281,8 @@ bool rate_control_send_low(struct ieee80
1999 int mcast_rate;
2000
2001 if (!sta || !priv_sta || rc_no_data_or_no_ack_use_min(txrc)) {
2002 - if ((sband->band != IEEE80211_BAND_2GHZ) ||
2003 - !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
2004 - info->control.rates[0].idx =
2005 - rate_lowest_index(txrc->sband, sta);
2006 - else
2007 - info->control.rates[0].idx =
2008 - rate_lowest_non_cck_index(txrc->sband, sta);
2009 - info->control.rates[0].count =
2010 - (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
2011 - 1 : txrc->hw->max_rate_tries;
2012 + __rate_control_send_low(txrc->hw, sband, sta, info);
2013 +
2014 if (!sta && txrc->bss) {
2015 mcast_rate = txrc->bss_conf->mcast_rate[sband->band];
2016 if (mcast_rate > 0) {
2017 @@ -355,7 +366,8 @@ static bool rate_idx_match_mcs_mask(stru
2018
2019
2020 static void rate_idx_match_mask(struct ieee80211_tx_rate *rate,
2021 - struct ieee80211_tx_rate_control *txrc,
2022 + struct ieee80211_supported_band *sband,
2023 + enum nl80211_chan_width chan_width,
2024 u32 mask,
2025 u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2026 {
2027 @@ -375,27 +387,17 @@ static void rate_idx_match_mask(struct i
2028 IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
2029 alt_rate.count = rate->count;
2030 if (rate_idx_match_legacy_mask(&alt_rate,
2031 - txrc->sband->n_bitrates,
2032 - mask)) {
2033 + sband->n_bitrates, mask)) {
2034 *rate = alt_rate;
2035 return;
2036 }
2037 } else {
2038 - struct sk_buff *skb = txrc->skb;
2039 - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
2040 - __le16 fc;
2041 -
2042 /* handle legacy rates */
2043 - if (rate_idx_match_legacy_mask(rate, txrc->sband->n_bitrates,
2044 - mask))
2045 + if (rate_idx_match_legacy_mask(rate, sband->n_bitrates, mask))
2046 return;
2047
2048 /* if HT BSS, and we handle a data frame, also try HT rates */
2049 - if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2050 - return;
2051 -
2052 - fc = hdr->frame_control;
2053 - if (!ieee80211_is_data(fc))
2054 + if (chan_width == NL80211_CHAN_WIDTH_20_NOHT)
2055 return;
2056
2057 alt_rate.idx = 0;
2058 @@ -408,7 +410,7 @@ static void rate_idx_match_mask(struct i
2059
2060 alt_rate.flags |= IEEE80211_TX_RC_MCS;
2061
2062 - if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_40)
2063 + if (chan_width == NL80211_CHAN_WIDTH_40)
2064 alt_rate.flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
2065
2066 if (rate_idx_match_mcs_mask(&alt_rate, mcs_mask)) {
2067 @@ -426,6 +428,228 @@ static void rate_idx_match_mask(struct i
2068 */
2069 }
2070
2071 +static void rate_fixup_ratelist(struct ieee80211_vif *vif,
2072 + struct ieee80211_supported_band *sband,
2073 + struct ieee80211_tx_info *info,
2074 + struct ieee80211_tx_rate *rates,
2075 + int max_rates)
2076 +{
2077 + struct ieee80211_rate *rate;
2078 + bool inval = false;
2079 + int i;
2080 +
2081 + /*
2082 + * Set up the RTS/CTS rate as the fastest basic rate
2083 + * that is not faster than the data rate unless there
2084 + * is no basic rate slower than the data rate, in which
2085 + * case we pick the slowest basic rate
2086 + *
2087 + * XXX: Should this check all retry rates?
2088 + */
2089 + if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
2090 + u32 basic_rates = vif->bss_conf.basic_rates;
2091 + s8 baserate = basic_rates ? ffs(basic_rates - 1) : 0;
2092 +
2093 + rate = &sband->bitrates[rates[0].idx];
2094 +
2095 + for (i = 0; i < sband->n_bitrates; i++) {
2096 + /* must be a basic rate */
2097 + if (!(basic_rates & BIT(i)))
2098 + continue;
2099 + /* must not be faster than the data rate */
2100 + if (sband->bitrates[i].bitrate > rate->bitrate)
2101 + continue;
2102 + /* maximum */
2103 + if (sband->bitrates[baserate].bitrate <
2104 + sband->bitrates[i].bitrate)
2105 + baserate = i;
2106 + }
2107 +
2108 + info->control.rts_cts_rate_idx = baserate;
2109 + }
2110 +
2111 + for (i = 0; i < max_rates; i++) {
2112 + /*
2113 + * make sure there's no valid rate following
2114 + * an invalid one, just in case drivers don't
2115 + * take the API seriously to stop at -1.
2116 + */
2117 + if (inval) {
2118 + rates[i].idx = -1;
2119 + continue;
2120 + }
2121 + if (rates[i].idx < 0) {
2122 + inval = true;
2123 + continue;
2124 + }
2125 +
2126 + /*
2127 + * For now assume MCS is already set up correctly, this
2128 + * needs to be fixed.
2129 + */
2130 + if (rates[i].flags & IEEE80211_TX_RC_MCS) {
2131 + WARN_ON(rates[i].idx > 76);
2132 +
2133 + if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
2134 + info->control.use_cts_prot)
2135 + rates[i].flags |=
2136 + IEEE80211_TX_RC_USE_CTS_PROTECT;
2137 + continue;
2138 + }
2139 +
2140 + if (rates[i].flags & IEEE80211_TX_RC_VHT_MCS) {
2141 + WARN_ON(ieee80211_rate_get_vht_mcs(&rates[i]) > 9);
2142 + continue;
2143 + }
2144 +
2145 + /* set up RTS protection if desired */
2146 + if (info->control.use_rts) {
2147 + rates[i].flags |= IEEE80211_TX_RC_USE_RTS_CTS;
2148 + info->control.use_cts_prot = false;
2149 + }
2150 +
2151 + /* RC is busted */
2152 + if (WARN_ON_ONCE(rates[i].idx >= sband->n_bitrates)) {
2153 + rates[i].idx = -1;
2154 + continue;
2155 + }
2156 +
2157 + rate = &sband->bitrates[rates[i].idx];
2158 +
2159 + /* set up short preamble */
2160 + if (info->control.short_preamble &&
2161 + rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
2162 + rates[i].flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
2163 +
2164 + /* set up G protection */
2165 + if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
2166 + info->control.use_cts_prot &&
2167 + rate->flags & IEEE80211_RATE_ERP_G)
2168 + rates[i].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
2169 + }
2170 +}
2171 +
2172 +
2173 +static void rate_control_fill_sta_table(struct ieee80211_sta *sta,
2174 + struct ieee80211_tx_info *info,
2175 + struct ieee80211_tx_rate *rates,
2176 + int max_rates)
2177 +{
2178 + struct ieee80211_sta_rates *ratetbl = NULL;
2179 + int i;
2180 +
2181 + if (sta && !info->control.skip_table)
2182 + ratetbl = rcu_dereference(sta->rates);
2183 +
2184 + /* Fill remaining rate slots with data from the sta rate table. */
2185 + max_rates = min_t(int, max_rates, IEEE80211_TX_RATE_TABLE_SIZE);
2186 + for (i = 0; i < max_rates; i++) {
2187 + if (i < ARRAY_SIZE(info->control.rates) &&
2188 + info->control.rates[i].idx >= 0 &&
2189 + info->control.rates[i].count) {
2190 + if (rates != info->control.rates)
2191 + rates[i] = info->control.rates[i];
2192 + } else if (ratetbl) {
2193 + rates[i].idx = ratetbl->rate[i].idx;
2194 + rates[i].flags = ratetbl->rate[i].flags;
2195 + if (info->control.use_rts)
2196 + rates[i].count = ratetbl->rate[i].count_rts;
2197 + else if (info->control.use_cts_prot)
2198 + rates[i].count = ratetbl->rate[i].count_cts;
2199 + else
2200 + rates[i].count = ratetbl->rate[i].count;
2201 + } else {
2202 + rates[i].idx = -1;
2203 + rates[i].count = 0;
2204 + }
2205 +
2206 + if (rates[i].idx < 0 || !rates[i].count)
2207 + break;
2208 + }
2209 +}
2210 +
2211 +static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata,
2212 + struct ieee80211_sta *sta,
2213 + struct ieee80211_supported_band *sband,
2214 + struct ieee80211_tx_info *info,
2215 + struct ieee80211_tx_rate *rates,
2216 + int max_rates)
2217 +{
2218 + enum nl80211_chan_width chan_width;
2219 + u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
2220 + bool has_mcs_mask;
2221 + u32 mask;
2222 + int i;
2223 +
2224 + /*
2225 + * Try to enforce the rateidx mask the user wanted. skip this if the
2226 + * default mask (allow all rates) is used to save some processing for
2227 + * the common case.
2228 + */
2229 + mask = sdata->rc_rateidx_mask[info->band];
2230 + has_mcs_mask = sdata->rc_has_mcs_mask[info->band];
2231 + if (mask == (1 << sband->n_bitrates) - 1 && !has_mcs_mask)
2232 + return;
2233 +
2234 + if (has_mcs_mask)
2235 + memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
2236 + sizeof(mcs_mask));
2237 + else
2238 + memset(mcs_mask, 0xff, sizeof(mcs_mask));
2239 +
2240 + if (sta) {
2241 + /* Filter out rates that the STA does not support */
2242 + mask &= sta->supp_rates[info->band];
2243 + for (i = 0; i < sizeof(mcs_mask); i++)
2244 + mcs_mask[i] &= sta->ht_cap.mcs.rx_mask[i];
2245 + }
2246 +
2247 + /*
2248 + * Make sure the rate index selected for each TX rate is
2249 + * included in the configured mask and change the rate indexes
2250 + * if needed.
2251 + */
2252 + chan_width = sdata->vif.bss_conf.chandef.width;
2253 + for (i = 0; i < max_rates; i++) {
2254 + /* Skip invalid rates */
2255 + if (rates[i].idx < 0)
2256 + break;
2257 +
2258 + rate_idx_match_mask(&rates[i], sband, chan_width, mask,
2259 + mcs_mask);
2260 + }
2261 +}
2262 +
2263 +void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
2264 + struct ieee80211_sta *sta,
2265 + struct sk_buff *skb,
2266 + struct ieee80211_tx_rate *dest,
2267 + int max_rates)
2268 +{
2269 + struct ieee80211_sub_if_data *sdata;
2270 + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
2271 + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2272 + struct ieee80211_supported_band *sband;
2273 +
2274 + rate_control_fill_sta_table(sta, info, dest, max_rates);
2275 +
2276 + if (!vif)
2277 + return;
2278 +
2279 + sdata = vif_to_sdata(vif);
2280 + sband = sdata->local->hw.wiphy->bands[info->band];
2281 +
2282 + if (ieee80211_is_data(hdr->frame_control))
2283 + rate_control_apply_mask(sdata, sta, sband, info, dest, max_rates);
2284 +
2285 + if (dest[0].idx < 0)
2286 + __rate_control_send_low(&sdata->local->hw, sband, sta, info);
2287 +
2288 + if (sta)
2289 + rate_fixup_ratelist(vif, sband, info, dest, max_rates);
2290 +}
2291 +EXPORT_SYMBOL(ieee80211_get_tx_rates);
2292 +
2293 void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
2294 struct sta_info *sta,
2295 struct ieee80211_tx_rate_control *txrc)
2296 @@ -435,8 +659,6 @@ void rate_control_get_rate(struct ieee80
2297 struct ieee80211_sta *ista = NULL;
2298 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
2299 int i;
2300 - u32 mask;
2301 - u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
2302
2303 if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
2304 ista = &sta->sta;
2305 @@ -454,37 +676,27 @@ void rate_control_get_rate(struct ieee80
2306
2307 ref->ops->get_rate(ref->priv, ista, priv_sta, txrc);
2308
2309 - /*
2310 - * Try to enforce the rateidx mask the user wanted. skip this if the
2311 - * default mask (allow all rates) is used to save some processing for
2312 - * the common case.
2313 - */
2314 - mask = sdata->rc_rateidx_mask[info->band];
2315 - memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
2316 - sizeof(mcs_mask));
2317 - if (mask != (1 << txrc->sband->n_bitrates) - 1) {
2318 - if (sta) {
2319 - /* Filter out rates that the STA does not support */
2320 - mask &= sta->sta.supp_rates[info->band];
2321 - for (i = 0; i < sizeof(mcs_mask); i++)
2322 - mcs_mask[i] &= sta->sta.ht_cap.mcs.rx_mask[i];
2323 - }
2324 - /*
2325 - * Make sure the rate index selected for each TX rate is
2326 - * included in the configured mask and change the rate indexes
2327 - * if needed.
2328 - */
2329 - for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
2330 - /* Skip invalid rates */
2331 - if (info->control.rates[i].idx < 0)
2332 - break;
2333 - rate_idx_match_mask(&info->control.rates[i], txrc,
2334 - mask, mcs_mask);
2335 - }
2336 - }
2337 + if (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_RC_TABLE)
2338 + return;
2339
2340 - BUG_ON(info->control.rates[0].idx < 0);
2341 + ieee80211_get_tx_rates(&sdata->vif, ista, txrc->skb,
2342 + info->control.rates,
2343 + ARRAY_SIZE(info->control.rates));
2344 +}
2345 +
2346 +int rate_control_set_rates(struct ieee80211_hw *hw,
2347 + struct ieee80211_sta *pubsta,
2348 + struct ieee80211_sta_rates *rates)
2349 +{
2350 + struct ieee80211_sta_rates *old = rcu_dereference(pubsta->rates);
2351 +
2352 + rcu_assign_pointer(pubsta->rates, rates);
2353 + if (old)
2354 + kfree_rcu(old, rcu_head);
2355 +
2356 + return 0;
2357 }
2358 +EXPORT_SYMBOL(rate_control_set_rates);
2359
2360 int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
2361 const char *name)
2362 --- a/net/mac80211/rc80211_minstrel.c
2363 +++ b/net/mac80211/rc80211_minstrel.c
2364 @@ -84,6 +84,50 @@ minstrel_sort_best_tp_rates(struct minst
2365 }
2366
2367 static void
2368 +minstrel_set_rate(struct minstrel_sta_info *mi, struct ieee80211_sta_rates *ratetbl,
2369 + int offset, int idx)
2370 +{
2371 + struct minstrel_rate *r = &mi->r[idx];
2372 +
2373 + ratetbl->rate[offset].idx = r->rix;
2374 + ratetbl->rate[offset].count = r->adjusted_retry_count;
2375 + ratetbl->rate[offset].count_cts = r->retry_count_cts;
2376 + ratetbl->rate[offset].count_rts = r->retry_count_rtscts;
2377 +}
2378 +
2379 +static void
2380 +minstrel_update_rates(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
2381 +{
2382 + struct ieee80211_sta_rates *ratetbl;
2383 + int i = 0;
2384 +
2385 + ratetbl = kzalloc(sizeof(*ratetbl), GFP_ATOMIC);
2386 + if (!ratetbl)
2387 + return;
2388 +
2389 + /* Start with max_tp_rate */
2390 + minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[0]);
2391 +
2392 + if (mp->hw->max_rates >= 3) {
2393 + /* At least 3 tx rates supported, use max_tp_rate2 next */
2394 + minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[1]);
2395 + }
2396 +
2397 + if (mp->hw->max_rates >= 2) {
2398 + /* At least 2 tx rates supported, use max_prob_rate next */
2399 + minstrel_set_rate(mi, ratetbl, i++, mi->max_prob_rate);
2400 + }
2401 +
2402 + /* Use lowest rate last */
2403 + ratetbl->rate[i].idx = mi->lowest_rix;
2404 + ratetbl->rate[i].count = mp->max_retry;
2405 + ratetbl->rate[i].count_cts = mp->max_retry;
2406 + ratetbl->rate[i].count_rts = mp->max_retry;
2407 +
2408 + rate_control_set_rates(mp->hw, mi->sta, ratetbl);
2409 +}
2410 +
2411 +static void
2412 minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
2413 {
2414 u8 tmp_tp_rate[MAX_THR_RATES];
2415 @@ -161,6 +205,8 @@ minstrel_update_stats(struct minstrel_pr
2416
2417 /* Reset update timer */
2418 mi->stats_update = jiffies;
2419 +
2420 + minstrel_update_rates(mp, mi);
2421 }
2422
2423 static void
2424 @@ -209,9 +255,9 @@ minstrel_get_retry_count(struct minstrel
2425 {
2426 unsigned int retry = mr->adjusted_retry_count;
2427
2428 - if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
2429 + if (info->control.use_rts)
2430 retry = max(2U, min(mr->retry_count_rtscts, retry));
2431 - else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
2432 + else if (info->control.use_cts_prot)
2433 retry = max(2U, min(mr->retry_count_cts, retry));
2434 return retry;
2435 }
2436 @@ -240,13 +286,12 @@ minstrel_get_rate(void *priv, struct iee
2437 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
2438 struct minstrel_sta_info *mi = priv_sta;
2439 struct minstrel_priv *mp = priv;
2440 - struct ieee80211_tx_rate *ar = info->control.rates;
2441 - unsigned int ndx, sample_ndx = 0;
2442 + struct ieee80211_tx_rate *rate = &info->control.rates[0];
2443 + struct minstrel_rate *msr, *mr;
2444 + unsigned int ndx;
2445 bool mrr_capable;
2446 - bool indirect_rate_sampling = false;
2447 - bool rate_sampling = false;
2448 - int i, delta;
2449 - int mrr_ndx[3];
2450 + bool prev_sample = mi->prev_sample;
2451 + int delta;
2452 int sampling_ratio;
2453
2454 /* management/no-ack frames do not use rate control */
2455 @@ -262,107 +307,75 @@ minstrel_get_rate(void *priv, struct iee
2456 else
2457 sampling_ratio = mp->lookaround_rate;
2458
2459 - /* init rateindex [ndx] with max throughput rate */
2460 - ndx = mi->max_tp_rate[0];
2461 -
2462 /* increase sum packet counter */
2463 mi->packet_count++;
2464
2465 delta = (mi->packet_count * sampling_ratio / 100) -
2466 (mi->sample_count + mi->sample_deferred / 2);
2467
2468 - /* delta > 0: sampling required */
2469 - if ((delta > 0) && (mrr_capable || !mi->prev_sample)) {
2470 - struct minstrel_rate *msr;
2471 - if (mi->packet_count >= 10000) {
2472 - mi->sample_deferred = 0;
2473 - mi->sample_count = 0;
2474 - mi->packet_count = 0;
2475 - } else if (delta > mi->n_rates * 2) {
2476 - /* With multi-rate retry, not every planned sample
2477 - * attempt actually gets used, due to the way the retry
2478 - * chain is set up - [max_tp,sample,prob,lowest] for
2479 - * sample_rate < max_tp.
2480 - *
2481 - * If there's too much sampling backlog and the link
2482 - * starts getting worse, minstrel would start bursting
2483 - * out lots of sampling frames, which would result
2484 - * in a large throughput loss. */
2485 - mi->sample_count += (delta - mi->n_rates * 2);
2486 - }
2487 + /* delta < 0: no sampling required */
2488 + mi->prev_sample = false;
2489 + if (delta < 0 || (!mrr_capable && prev_sample))
2490 + return;
2491
2492 - /* get next random rate sample */
2493 - sample_ndx = minstrel_get_next_sample(mi);
2494 - msr = &mi->r[sample_ndx];
2495 - rate_sampling = true;
2496 -
2497 - /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
2498 - * rate sampling method should be used.
2499 - * Respect such rates that are not sampled for 20 interations.
2500 - */
2501 - if (mrr_capable &&
2502 - msr->perfect_tx_time > mi->r[ndx].perfect_tx_time &&
2503 - msr->sample_skipped < 20)
2504 - indirect_rate_sampling = true;
2505 -
2506 - if (!indirect_rate_sampling) {
2507 - if (msr->sample_limit != 0) {
2508 - ndx = sample_ndx;
2509 - mi->sample_count++;
2510 - if (msr->sample_limit > 0)
2511 - msr->sample_limit--;
2512 - } else
2513 - rate_sampling = false;
2514 - } else {
2515 - /* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
2516 - * packets that have the sampling rate deferred to the
2517 - * second MRR stage. Increase the sample counter only
2518 - * if the deferred sample rate was actually used.
2519 - * Use the sample_deferred counter to make sure that
2520 - * the sampling is not done in large bursts */
2521 - info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
2522 - mi->sample_deferred++;
2523 - }
2524 + if (mi->packet_count >= 10000) {
2525 + mi->sample_deferred = 0;
2526 + mi->sample_count = 0;
2527 + mi->packet_count = 0;
2528 + } else if (delta > mi->n_rates * 2) {
2529 + /* With multi-rate retry, not every planned sample
2530 + * attempt actually gets used, due to the way the retry
2531 + * chain is set up - [max_tp,sample,prob,lowest] for
2532 + * sample_rate < max_tp.
2533 + *
2534 + * If there's too much sampling backlog and the link
2535 + * starts getting worse, minstrel would start bursting
2536 + * out lots of sampling frames, which would result
2537 + * in a large throughput loss. */
2538 + mi->sample_count += (delta - mi->n_rates * 2);
2539 + }
2540 +
2541 + /* get next random rate sample */
2542 + ndx = minstrel_get_next_sample(mi);
2543 + msr = &mi->r[ndx];
2544 + mr = &mi->r[mi->max_tp_rate[0]];
2545 +
2546 + /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
2547 + * rate sampling method should be used.
2548 + * Respect such rates that are not sampled for 20 interations.
2549 + */
2550 + if (mrr_capable &&
2551 + msr->perfect_tx_time > mr->perfect_tx_time &&
2552 + msr->sample_skipped < 20) {
2553 + /* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
2554 + * packets that have the sampling rate deferred to the
2555 + * second MRR stage. Increase the sample counter only
2556 + * if the deferred sample rate was actually used.
2557 + * Use the sample_deferred counter to make sure that
2558 + * the sampling is not done in large bursts */
2559 + info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
2560 + rate++;
2561 + mi->sample_deferred++;
2562 + } else {
2563 + if (!msr->sample_limit != 0)
2564 + return;
2565 +
2566 + mi->sample_count++;
2567 + if (msr->sample_limit > 0)
2568 + msr->sample_limit--;
2569 }
2570 - mi->prev_sample = rate_sampling;
2571
2572 /* If we're not using MRR and the sampling rate already
2573 * has a probability of >95%, we shouldn't be attempting
2574 * to use it, as this only wastes precious airtime */
2575 - if (!mrr_capable && rate_sampling &&
2576 + if (!mrr_capable &&
2577 (mi->r[ndx].probability > MINSTREL_FRAC(95, 100)))
2578 - ndx = mi->max_tp_rate[0];
2579 -
2580 - /* mrr setup for 1st stage */
2581 - ar[0].idx = mi->r[ndx].rix;
2582 - ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
2583 -
2584 - /* non mrr setup for 2nd stage */
2585 - if (!mrr_capable) {
2586 - if (!rate_sampling)
2587 - ar[0].count = mp->max_retry;
2588 - ar[1].idx = mi->lowest_rix;
2589 - ar[1].count = mp->max_retry;
2590 return;
2591 - }
2592
2593 - /* mrr setup for 2nd stage */
2594 - if (rate_sampling) {
2595 - if (indirect_rate_sampling)
2596 - mrr_ndx[0] = sample_ndx;
2597 - else
2598 - mrr_ndx[0] = mi->max_tp_rate[0];
2599 - } else {
2600 - mrr_ndx[0] = mi->max_tp_rate[1];
2601 - }
2602 + mi->prev_sample = true;
2603
2604 - /* mrr setup for 3rd & 4th stage */
2605 - mrr_ndx[1] = mi->max_prob_rate;
2606 - mrr_ndx[2] = 0;
2607 - for (i = 1; i < 4; i++) {
2608 - ar[i].idx = mi->r[mrr_ndx[i - 1]].rix;
2609 - ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count;
2610 - }
2611 + rate->idx = mi->r[ndx].rix;
2612 + rate->count = minstrel_get_retry_count(&mi->r[ndx], info);
2613 }
2614
2615
2616 @@ -412,12 +425,16 @@ minstrel_rate_init(void *priv, struct ie
2617 unsigned int i, n = 0;
2618 unsigned int t_slot = 9; /* FIXME: get real slot time */
2619
2620 + mi->sta = sta;
2621 mi->lowest_rix = rate_lowest_index(sband, sta);
2622 ctl_rate = &sband->bitrates[mi->lowest_rix];
2623 mi->sp_ack_dur = ieee80211_frame_duration(sband->band, 10,
2624 ctl_rate->bitrate,
2625 !!(ctl_rate->flags & IEEE80211_RATE_ERP_G), 1);
2626
2627 + memset(mi->max_tp_rate, 0, sizeof(mi->max_tp_rate));
2628 + mi->max_prob_rate = 0;
2629 +
2630 for (i = 0; i < sband->n_bitrates; i++) {
2631 struct minstrel_rate *mr = &mi->r[n];
2632 unsigned int tx_time = 0, tx_time_cts = 0, tx_time_rtscts = 0;
2633 @@ -460,6 +477,8 @@ minstrel_rate_init(void *priv, struct ie
2634 } while ((tx_time < mp->segment_size) &&
2635 (++mr->retry_count < mp->max_retry));
2636 mr->adjusted_retry_count = mr->retry_count;
2637 + if (!(sband->bitrates[i].flags & IEEE80211_RATE_ERP_G))
2638 + mr->retry_count_cts = mr->retry_count;
2639 }
2640
2641 for (i = n; i < sband->n_bitrates; i++) {
2642 @@ -471,6 +490,7 @@ minstrel_rate_init(void *priv, struct ie
2643 mi->stats_update = jiffies;
2644
2645 init_sample_table(mi);
2646 + minstrel_update_rates(mp, mi);
2647 }
2648
2649 static void *
2650 --- a/net/mac80211/rc80211_minstrel.h
2651 +++ b/net/mac80211/rc80211_minstrel.h
2652 @@ -9,7 +9,8 @@
2653 #ifndef __RC_MINSTREL_H
2654 #define __RC_MINSTREL_H
2655
2656 -#define EWMA_LEVEL 75 /* ewma weighting factor [%] */
2657 +#define EWMA_LEVEL 96 /* ewma weighting factor [/EWMA_DIV] */
2658 +#define EWMA_DIV 128
2659 #define SAMPLE_COLUMNS 10 /* number of columns in sample table */
2660
2661
2662 @@ -27,7 +28,7 @@
2663 static inline int
2664 minstrel_ewma(int old, int new, int weight)
2665 {
2666 - return (new * (100 - weight) + old * weight) / 100;
2667 + return (new * (EWMA_DIV - weight) + old * weight) / EWMA_DIV;
2668 }
2669
2670
2671 @@ -62,6 +63,8 @@ struct minstrel_rate {
2672 };
2673
2674 struct minstrel_sta_info {
2675 + struct ieee80211_sta *sta;
2676 +
2677 unsigned long stats_update;
2678 unsigned int sp_ack_dur;
2679 unsigned int rate_avg;
2680 --- a/net/mac80211/rc80211_minstrel_debugfs.c
2681 +++ b/net/mac80211/rc80211_minstrel_debugfs.c
2682 @@ -68,7 +68,7 @@ minstrel_stats_open(struct inode *inode,
2683
2684 file->private_data = ms;
2685 p = ms->buf;
2686 - p += sprintf(p, "rate throughput ewma prob this prob "
2687 + p += sprintf(p, "rate throughput ewma prob this prob "
2688 "this succ/attempt success attempts\n");
2689 for (i = 0; i < mi->n_rates; i++) {
2690 struct minstrel_rate *mr = &mi->r[i];
2691 @@ -86,7 +86,7 @@ minstrel_stats_open(struct inode *inode,
2692 eprob = MINSTREL_TRUNC(mr->probability * 1000);
2693
2694 p += sprintf(p, " %6u.%1u %6u.%1u %6u.%1u "
2695 - "%3u(%3u) %8llu %8llu\n",
2696 + " %3u(%3u) %8llu %8llu\n",
2697 tp / 10, tp % 10,
2698 eprob / 10, eprob % 10,
2699 prob / 10, prob % 10,
2700 --- a/net/mac80211/rc80211_minstrel_ht.c
2701 +++ b/net/mac80211/rc80211_minstrel_ht.c
2702 @@ -126,6 +126,9 @@ const struct mcs_group minstrel_mcs_grou
2703
2704 static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES];
2705
2706 +static void
2707 +minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi);
2708 +
2709 /*
2710 * Look up an MCS group index based on mac80211 rate information
2711 */
2712 @@ -244,6 +247,7 @@ minstrel_ht_update_stats(struct minstrel
2713 struct minstrel_rate_stats *mr;
2714 int cur_prob, cur_prob_tp, cur_tp, cur_tp2;
2715 int group, i, index;
2716 + bool mi_rates_valid = false;
2717
2718 if (mi->ampdu_packets > 0) {
2719 mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
2720 @@ -254,11 +258,10 @@ minstrel_ht_update_stats(struct minstrel
2721
2722 mi->sample_slow = 0;
2723 mi->sample_count = 0;
2724 - mi->max_tp_rate = 0;
2725 - mi->max_tp_rate2 = 0;
2726 - mi->max_prob_rate = 0;
2727
2728 for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
2729 + bool mg_rates_valid = false;
2730 +
2731 cur_prob = 0;
2732 cur_prob_tp = 0;
2733 cur_tp = 0;
2734 @@ -268,15 +271,24 @@ minstrel_ht_update_stats(struct minstrel
2735 if (!mg->supported)
2736 continue;
2737
2738 - mg->max_tp_rate = 0;
2739 - mg->max_tp_rate2 = 0;
2740 - mg->max_prob_rate = 0;
2741 mi->sample_count++;
2742
2743 for (i = 0; i < MCS_GROUP_RATES; i++) {
2744 if (!(mg->supported & BIT(i)))
2745 continue;
2746
2747 + /* initialize rates selections starting indexes */
2748 + if (!mg_rates_valid) {
2749 + mg->max_tp_rate = mg->max_tp_rate2 =
2750 + mg->max_prob_rate = i;
2751 + if (!mi_rates_valid) {
2752 + mi->max_tp_rate = mi->max_tp_rate2 =
2753 + mi->max_prob_rate = i;
2754 + mi_rates_valid = true;
2755 + }
2756 + mg_rates_valid = true;
2757 + }
2758 +
2759 mr = &mg->rates[i];
2760 mr->retry_updated = false;
2761 index = MCS_GROUP_RATES * group + i;
2762 @@ -456,7 +468,7 @@ minstrel_ht_tx_status(void *priv, struct
2763 struct ieee80211_tx_rate *ar = info->status.rates;
2764 struct minstrel_rate_stats *rate, *rate2;
2765 struct minstrel_priv *mp = priv;
2766 - bool last;
2767 + bool last, update = false;
2768 int i;
2769
2770 if (!msp->is_ht)
2771 @@ -505,21 +517,29 @@ minstrel_ht_tx_status(void *priv, struct
2772 rate = minstrel_get_ratestats(mi, mi->max_tp_rate);
2773 if (rate->attempts > 30 &&
2774 MINSTREL_FRAC(rate->success, rate->attempts) <
2775 - MINSTREL_FRAC(20, 100))
2776 + MINSTREL_FRAC(20, 100)) {
2777 minstrel_downgrade_rate(mi, &mi->max_tp_rate, true);
2778 + update = true;
2779 + }
2780
2781 rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate2);
2782 if (rate2->attempts > 30 &&
2783 MINSTREL_FRAC(rate2->success, rate2->attempts) <
2784 - MINSTREL_FRAC(20, 100))
2785 + MINSTREL_FRAC(20, 100)) {
2786 minstrel_downgrade_rate(mi, &mi->max_tp_rate2, false);
2787 + update = true;
2788 + }
2789
2790 if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000)) {
2791 + update = true;
2792 minstrel_ht_update_stats(mp, mi);
2793 if (!(info->flags & IEEE80211_TX_CTL_AMPDU) &&
2794 mi->max_prob_rate / MCS_GROUP_RATES != MINSTREL_CCK_GROUP)
2795 minstrel_aggr_check(sta, skb);
2796 }
2797 +
2798 + if (update)
2799 + minstrel_ht_update_rates(mp, mi);
2800 }
2801
2802 static void
2803 @@ -580,39 +600,73 @@ minstrel_calc_retransmit(struct minstrel
2804 (++mr->retry_count < mp->max_retry));
2805 }
2806
2807 -
2808 static void
2809 minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
2810 - struct ieee80211_tx_rate *rate, int index,
2811 - bool sample, bool rtscts)
2812 + struct ieee80211_sta_rates *ratetbl, int offset, int index)
2813 {
2814 const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
2815 struct minstrel_rate_stats *mr;
2816 + u8 idx;
2817 + u16 flags;
2818
2819 mr = minstrel_get_ratestats(mi, index);
2820 if (!mr->retry_updated)
2821 minstrel_calc_retransmit(mp, mi, index);
2822
2823 - if (sample)
2824 - rate->count = 1;
2825 - else if (mr->probability < MINSTREL_FRAC(20, 100))
2826 - rate->count = 2;
2827 - else if (rtscts)
2828 - rate->count = mr->retry_count_rtscts;
2829 - else
2830 - rate->count = mr->retry_count;
2831 -
2832 - rate->flags = 0;
2833 - if (rtscts)
2834 - rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
2835 + if (mr->probability < MINSTREL_FRAC(20, 100) || !mr->retry_count) {
2836 + ratetbl->rate[offset].count = 2;
2837 + ratetbl->rate[offset].count_rts = 2;
2838 + ratetbl->rate[offset].count_cts = 2;
2839 + } else {
2840 + ratetbl->rate[offset].count = mr->retry_count;
2841 + ratetbl->rate[offset].count_cts = mr->retry_count;
2842 + ratetbl->rate[offset].count_rts = mr->retry_count_rtscts;
2843 + }
2844
2845 if (index / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
2846 - rate->idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
2847 + idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
2848 + flags = 0;
2849 + } else {
2850 + idx = index % MCS_GROUP_RATES +
2851 + (group->streams - 1) * MCS_GROUP_RATES;
2852 + flags = IEEE80211_TX_RC_MCS | group->flags;
2853 + }
2854 +
2855 + if (offset > 0) {
2856 + ratetbl->rate[offset].count = ratetbl->rate[offset].count_rts;
2857 + flags |= IEEE80211_TX_RC_USE_RTS_CTS;
2858 + }
2859 +
2860 + ratetbl->rate[offset].idx = idx;
2861 + ratetbl->rate[offset].flags = flags;
2862 +}
2863 +
2864 +static void
2865 +minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
2866 +{
2867 + struct ieee80211_sta_rates *rates;
2868 + int i = 0;
2869 +
2870 + rates = kzalloc(sizeof(*rates), GFP_ATOMIC);
2871 + if (!rates)
2872 return;
2873 +
2874 + /* Start with max_tp_rate */
2875 + minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate);
2876 +
2877 + if (mp->hw->max_rates >= 3) {
2878 + /* At least 3 tx rates supported, use max_tp_rate2 next */
2879 + minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate2);
2880 + }
2881 +
2882 + if (mp->hw->max_rates >= 2) {
2883 + /*
2884 + * At least 2 tx rates supported, use max_prob_rate next */
2885 + minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
2886 }
2887
2888 - rate->flags |= IEEE80211_TX_RC_MCS | group->flags;
2889 - rate->idx = index % MCS_GROUP_RATES + (group->streams - 1) * MCS_GROUP_RATES;
2890 + rates->rate[i].idx = -1;
2891 + rate_control_set_rates(mp->hw, mi->sta, rates);
2892 }
2893
2894 static inline int
2895 @@ -702,13 +756,13 @@ static void
2896 minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
2897 struct ieee80211_tx_rate_control *txrc)
2898 {
2899 + const struct mcs_group *sample_group;
2900 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
2901 - struct ieee80211_tx_rate *ar = info->status.rates;
2902 + struct ieee80211_tx_rate *rate = &info->status.rates[0];
2903 struct minstrel_ht_sta_priv *msp = priv_sta;
2904 struct minstrel_ht_sta *mi = &msp->ht;
2905 struct minstrel_priv *mp = priv;
2906 int sample_idx;
2907 - bool sample = false;
2908
2909 if (rate_control_send_low(sta, priv_sta, txrc))
2910 return;
2911 @@ -736,51 +790,6 @@ minstrel_ht_get_rate(void *priv, struct
2912 }
2913 #endif
2914
2915 - if (sample_idx >= 0) {
2916 - sample = true;
2917 - minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
2918 - true, false);
2919 - info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
2920 - } else {
2921 - minstrel_ht_set_rate(mp, mi, &ar[0], mi->max_tp_rate,
2922 - false, false);
2923 - }
2924 -
2925 - if (mp->hw->max_rates >= 3) {
2926 - /*
2927 - * At least 3 tx rates supported, use
2928 - * sample_rate -> max_tp_rate -> max_prob_rate for sampling and
2929 - * max_tp_rate -> max_tp_rate2 -> max_prob_rate by default.
2930 - */
2931 - if (sample_idx >= 0)
2932 - minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
2933 - false, false);
2934 - else
2935 - minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
2936 - false, true);
2937 -
2938 - minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate,
2939 - false, !sample);
2940 -
2941 - ar[3].count = 0;
2942 - ar[3].idx = -1;
2943 - } else if (mp->hw->max_rates == 2) {
2944 - /*
2945 - * Only 2 tx rates supported, use
2946 - * sample_rate -> max_prob_rate for sampling and
2947 - * max_tp_rate -> max_prob_rate by default.
2948 - */
2949 - minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_prob_rate,
2950 - false, !sample);
2951 -
2952 - ar[2].count = 0;
2953 - ar[2].idx = -1;
2954 - } else {
2955 - /* Not using MRR, only use the first rate */
2956 - ar[1].count = 0;
2957 - ar[1].idx = -1;
2958 - }
2959 -
2960 mi->total_packets++;
2961
2962 /* wraparound */
2963 @@ -788,6 +797,16 @@ minstrel_ht_get_rate(void *priv, struct
2964 mi->total_packets = 0;
2965 mi->sample_packets = 0;
2966 }
2967 +
2968 + if (sample_idx < 0)
2969 + return;
2970 +
2971 + sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
2972 + info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
2973 + rate->idx = sample_idx % MCS_GROUP_RATES +
2974 + (sample_group->streams - 1) * MCS_GROUP_RATES;
2975 + rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags;
2976 + rate->count = 1;
2977 }
2978
2979 static void
2980 @@ -837,6 +856,8 @@ minstrel_ht_update_caps(void *priv, stru
2981
2982 msp->is_ht = true;
2983 memset(mi, 0, sizeof(*mi));
2984 +
2985 + mi->sta = sta;
2986 mi->stats_update = jiffies;
2987
2988 ack_dur = ieee80211_frame_duration(sband->band, 10, 60, 1, 1);
2989 @@ -898,6 +919,9 @@ minstrel_ht_update_caps(void *priv, stru
2990 if (!n_supported)
2991 goto use_legacy;
2992
2993 + minstrel_ht_update_stats(mp, mi);
2994 + minstrel_ht_update_rates(mp, mi);
2995 +
2996 return;
2997
2998 use_legacy:
2999 --- a/net/mac80211/rc80211_minstrel_ht.h
3000 +++ b/net/mac80211/rc80211_minstrel_ht.h
3001 @@ -65,6 +65,8 @@ struct minstrel_mcs_group_data {
3002 };
3003
3004 struct minstrel_ht_sta {
3005 + struct ieee80211_sta *sta;
3006 +
3007 /* ampdu length (average, per sampling interval) */
3008 unsigned int ampdu_len;
3009 unsigned int ampdu_packets;
3010 --- a/net/mac80211/rx.c
3011 +++ b/net/mac80211/rx.c
3012 @@ -1372,6 +1372,7 @@ ieee80211_rx_h_sta_process(struct ieee80
3013 struct sk_buff *skb = rx->skb;
3014 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
3015 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3016 + int i;
3017
3018 if (!sta)
3019 return RX_CONTINUE;
3020 @@ -1422,6 +1423,19 @@ ieee80211_rx_h_sta_process(struct ieee80
3021 ewma_add(&sta->avg_signal, -status->signal);
3022 }
3023
3024 + if (status->chains) {
3025 + sta->chains = status->chains;
3026 + for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {
3027 + int signal = status->chain_signal[i];
3028 +
3029 + if (!(status->chains & BIT(i)))
3030 + continue;
3031 +
3032 + sta->chain_signal_last[i] = signal;
3033 + ewma_add(&sta->chain_signal_avg[i], -signal);
3034 + }
3035 + }
3036 +
3037 /*
3038 * Change STA power saving mode only at the end of a frame
3039 * exchange sequence.
3040 @@ -2085,6 +2099,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80
3041 }
3042
3043 fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data;
3044 + fwd_hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_RETRY);
3045 info = IEEE80211_SKB_CB(fwd_skb);
3046 memset(info, 0, sizeof(*info));
3047 info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
3048 @@ -2356,6 +2371,7 @@ ieee80211_rx_h_action(struct ieee80211_r
3049 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
3050 sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
3051 sdata->vif.type != NL80211_IFTYPE_AP &&
3052 + sdata->vif.type != NL80211_IFTYPE_WDS &&
3053 sdata->vif.type != NL80211_IFTYPE_ADHOC)
3054 break;
3055
3056 @@ -2423,6 +2439,22 @@ ieee80211_rx_h_action(struct ieee80211_r
3057 }
3058
3059 break;
3060 + case WLAN_CATEGORY_PUBLIC:
3061 + if (len < IEEE80211_MIN_ACTION_SIZE + 1)
3062 + goto invalid;
3063 + if (sdata->vif.type != NL80211_IFTYPE_STATION)
3064 + break;
3065 + if (!rx->sta)
3066 + break;
3067 + if (!ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid))
3068 + break;
3069 + if (mgmt->u.action.u.ext_chan_switch.action_code !=
3070 + WLAN_PUB_ACTION_EXT_CHANSW_ANN)
3071 + break;
3072 + if (len < offsetof(struct ieee80211_mgmt,
3073 + u.action.u.ext_chan_switch.variable))
3074 + goto invalid;
3075 + goto queue;
3076 case WLAN_CATEGORY_VHT:
3077 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
3078 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
3079 @@ -2506,10 +2538,6 @@ ieee80211_rx_h_action(struct ieee80211_r
3080 ieee80211_process_measurement_req(sdata, mgmt, len);
3081 goto handled;
3082 case WLAN_ACTION_SPCT_CHL_SWITCH:
3083 - if (len < (IEEE80211_MIN_ACTION_SIZE +
3084 - sizeof(mgmt->u.action.u.chan_switch)))
3085 - break;
3086 -
3087 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3088 break;
3089
3090 @@ -2695,14 +2723,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
3091
3092 if (!ieee80211_vif_is_mesh(&sdata->vif) &&
3093 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3094 - sdata->vif.type != NL80211_IFTYPE_STATION)
3095 + sdata->vif.type != NL80211_IFTYPE_STATION &&
3096 + sdata->vif.type != NL80211_IFTYPE_WDS)
3097 return RX_DROP_MONITOR;
3098
3099 switch (stype) {
3100 case cpu_to_le16(IEEE80211_STYPE_AUTH):
3101 case cpu_to_le16(IEEE80211_STYPE_BEACON):
3102 case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
3103 - /* process for all: mesh, mlme, ibss */
3104 + /* process for all: mesh, mlme, ibss, wds */
3105 break;
3106 case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
3107 case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
3108 @@ -3023,6 +3052,9 @@ static int prepare_for_handlers(struct i
3109 * and location updates. Note that mac80211
3110 * itself never looks at these frames.
3111 */
3112 + if (!multicast &&
3113 + !ether_addr_equal(sdata->vif.addr, hdr->addr1))
3114 + return 0;
3115 if (ieee80211_is_public_action(hdr, skb->len))
3116 return 1;
3117 if (!ieee80211_is_beacon(hdr->frame_control))
3118 @@ -3031,10 +3063,16 @@ static int prepare_for_handlers(struct i
3119 }
3120 break;
3121 case NL80211_IFTYPE_WDS:
3122 - if (bssid || !ieee80211_is_data(hdr->frame_control))
3123 - return 0;
3124 if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
3125 return 0;
3126 +
3127 + if (ieee80211_is_data(hdr->frame_control) ||
3128 + ieee80211_is_action(hdr->frame_control)) {
3129 + if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
3130 + return 0;
3131 + } else if (!ieee80211_is_beacon(hdr->frame_control))
3132 + return 0;
3133 +
3134 break;
3135 case NL80211_IFTYPE_P2P_DEVICE:
3136 if (!ieee80211_is_public_action(hdr, skb->len) &&
3137 --- a/net/mac80211/scan.c
3138 +++ b/net/mac80211/scan.c
3139 @@ -181,7 +181,7 @@ void ieee80211_scan_rx(struct ieee80211_
3140 if (baselen > skb->len)
3141 return;
3142
3143 - ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
3144 + ieee802_11_parse_elems(elements, skb->len - baselen, false, &elems);
3145
3146 channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
3147
3148 --- a/net/mac80211/sta_info.h
3149 +++ b/net/mac80211/sta_info.h
3150 @@ -32,7 +32,6 @@
3151 * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
3152 * frames.
3153 * @WLAN_STA_WME: Station is a QoS-STA.
3154 - * @WLAN_STA_WDS: Station is one of our WDS peers.
3155 * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
3156 * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
3157 * frame to this station is transmitted.
3158 @@ -66,7 +65,6 @@ enum ieee80211_sta_info_flags {
3159 WLAN_STA_AUTHORIZED,
3160 WLAN_STA_SHORT_PREAMBLE,
3161 WLAN_STA_WME,
3162 - WLAN_STA_WDS,
3163 WLAN_STA_CLEAR_PS_FILT,
3164 WLAN_STA_MFP,
3165 WLAN_STA_BLOCK_BA,
3166 @@ -344,6 +342,11 @@ struct sta_info {
3167 int last_signal;
3168 struct ewma avg_signal;
3169 int last_ack_signal;
3170 +
3171 + u8 chains;
3172 + s8 chain_signal_last[IEEE80211_MAX_CHAINS];
3173 + struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS];
3174 +
3175 /* Plus 1 for non-QoS frames */
3176 __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
3177
3178 --- a/net/mac80211/trace.h
3179 +++ b/net/mac80211/trace.h
3180 @@ -990,23 +990,23 @@ TRACE_EVENT(drv_channel_switch,
3181
3182 TP_STRUCT__entry(
3183 LOCAL_ENTRY
3184 + CHANDEF_ENTRY
3185 __field(u64, timestamp)
3186 __field(bool, block_tx)
3187 - __field(u16, freq)
3188 __field(u8, count)
3189 ),
3190
3191 TP_fast_assign(
3192 LOCAL_ASSIGN;
3193 + CHANDEF_ASSIGN(&ch_switch->chandef)
3194 __entry->timestamp = ch_switch->timestamp;
3195 __entry->block_tx = ch_switch->block_tx;
3196 - __entry->freq = ch_switch->channel->center_freq;
3197 __entry->count = ch_switch->count;
3198 ),
3199
3200 TP_printk(
3201 - LOCAL_PR_FMT " new freq:%u count:%d",
3202 - LOCAL_PR_ARG, __entry->freq, __entry->count
3203 + LOCAL_PR_FMT " new " CHANDEF_PR_FMT " count:%d",
3204 + LOCAL_PR_ARG, CHANDEF_PR_ARG, __entry->count
3205 )
3206 );
3207
3208 --- a/net/mac80211/tx.c
3209 +++ b/net/mac80211/tx.c
3210 @@ -48,15 +48,15 @@ static __le16 ieee80211_duration(struct
3211 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3212
3213 /* assume HW handles this */
3214 - if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
3215 + if (tx->rate.flags & IEEE80211_TX_RC_MCS)
3216 return 0;
3217
3218 /* uh huh? */
3219 - if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
3220 + if (WARN_ON_ONCE(tx->rate.idx < 0))
3221 return 0;
3222
3223 sband = local->hw.wiphy->bands[info->band];
3224 - txrate = &sband->bitrates[info->control.rates[0].idx];
3225 + txrate = &sband->bitrates[tx->rate.idx];
3226
3227 erp = txrate->flags & IEEE80211_RATE_ERP_G;
3228
3229 @@ -617,11 +617,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
3230 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
3231 struct ieee80211_hdr *hdr = (void *)tx->skb->data;
3232 struct ieee80211_supported_band *sband;
3233 - struct ieee80211_rate *rate;
3234 - int i;
3235 u32 len;
3236 - bool inval = false, rts = false, short_preamble = false;
3237 struct ieee80211_tx_rate_control txrc;
3238 + struct ieee80211_sta_rates *ratetbl = NULL;
3239 bool assoc = false;
3240
3241 memset(&txrc, 0, sizeof(txrc));
3242 @@ -642,18 +640,23 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
3243 txrc.max_rate_idx = -1;
3244 else
3245 txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
3246 - memcpy(txrc.rate_idx_mcs_mask,
3247 - tx->sdata->rc_rateidx_mcs_mask[info->band],
3248 - sizeof(txrc.rate_idx_mcs_mask));
3249 +
3250 + if (tx->sdata->rc_has_mcs_mask[info->band])
3251 + txrc.rate_idx_mcs_mask =
3252 + tx->sdata->rc_rateidx_mcs_mask[info->band];
3253 +
3254 txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
3255 tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
3256 tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
3257
3258 /* set up RTS protection if desired */
3259 if (len > tx->local->hw.wiphy->rts_threshold) {
3260 - txrc.rts = rts = true;
3261 + txrc.rts = true;
3262 }
3263
3264 + info->control.use_rts = txrc.rts;
3265 + info->control.use_cts_prot = tx->sdata->vif.bss_conf.use_cts_prot;
3266 +
3267 /*
3268 * Use short preamble if the BSS can handle it, but not for
3269 * management frames unless we know the receiver can handle
3270 @@ -663,7 +666,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
3271 if (tx->sdata->vif.bss_conf.use_short_preamble &&
3272 (ieee80211_is_data(hdr->frame_control) ||
3273 (tx->sta && test_sta_flag(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
3274 - txrc.short_preamble = short_preamble = true;
3275 + txrc.short_preamble = true;
3276 +
3277 + info->control.short_preamble = txrc.short_preamble;
3278
3279 if (tx->sta)
3280 assoc = test_sta_flag(tx->sta, WLAN_STA_ASSOC);
3281 @@ -687,16 +692,38 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
3282 */
3283 rate_control_get_rate(tx->sdata, tx->sta, &txrc);
3284
3285 - if (unlikely(info->control.rates[0].idx < 0))
3286 - return TX_DROP;
3287 + if (tx->sta && !info->control.skip_table)
3288 + ratetbl = rcu_dereference(tx->sta->sta.rates);
3289 +
3290 + if (unlikely(info->control.rates[0].idx < 0)) {
3291 + if (ratetbl) {
3292 + struct ieee80211_tx_rate rate = {
3293 + .idx = ratetbl->rate[0].idx,
3294 + .flags = ratetbl->rate[0].flags,
3295 + .count = ratetbl->rate[0].count
3296 + };
3297 +
3298 + if (ratetbl->rate[0].idx < 0)
3299 + return TX_DROP;
3300 +
3301 + tx->rate = rate;
3302 + } else {
3303 + return TX_DROP;
3304 + }
3305 + } else {
3306 + tx->rate = info->control.rates[0];
3307 + }
3308
3309 if (txrc.reported_rate.idx < 0) {
3310 - txrc.reported_rate = info->control.rates[0];
3311 + txrc.reported_rate = tx->rate;
3312 if (tx->sta && ieee80211_is_data(hdr->frame_control))
3313 tx->sta->last_tx_rate = txrc.reported_rate;
3314 } else if (tx->sta)
3315 tx->sta->last_tx_rate = txrc.reported_rate;
3316
3317 + if (ratetbl)
3318 + return TX_CONTINUE;
3319 +
3320 if (unlikely(!info->control.rates[0].count))
3321 info->control.rates[0].count = 1;
3322
3323 @@ -704,91 +731,6 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
3324 (info->flags & IEEE80211_TX_CTL_NO_ACK)))
3325 info->control.rates[0].count = 1;
3326
3327 - if (is_multicast_ether_addr(hdr->addr1)) {
3328 - /*
3329 - * XXX: verify the rate is in the basic rateset
3330 - */
3331 - return TX_CONTINUE;
3332 - }
3333 -
3334 - /*
3335 - * set up the RTS/CTS rate as the fastest basic rate
3336 - * that is not faster than the data rate
3337 - *
3338 - * XXX: Should this check all retry rates?
3339 - */
3340 - if (!(info->control.rates[0].flags & IEEE80211_TX_RC_MCS)) {
3341 - s8 baserate = 0;
3342 -
3343 - rate = &sband->bitrates[info->control.rates[0].idx];
3344 -
3345 - for (i = 0; i < sband->n_bitrates; i++) {
3346 - /* must be a basic rate */
3347 - if (!(tx->sdata->vif.bss_conf.basic_rates & BIT(i)))
3348 - continue;
3349 - /* must not be faster than the data rate */
3350 - if (sband->bitrates[i].bitrate > rate->bitrate)
3351 - continue;
3352 - /* maximum */
3353 - if (sband->bitrates[baserate].bitrate <
3354 - sband->bitrates[i].bitrate)
3355 - baserate = i;
3356 - }
3357 -
3358 - info->control.rts_cts_rate_idx = baserate;
3359 - }
3360 -
3361 - for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
3362 - /*
3363 - * make sure there's no valid rate following
3364 - * an invalid one, just in case drivers don't
3365 - * take the API seriously to stop at -1.
3366 - */
3367 - if (inval) {
3368 - info->control.rates[i].idx = -1;
3369 - continue;
3370 - }
3371 - if (info->control.rates[i].idx < 0) {
3372 - inval = true;
3373 - continue;
3374 - }
3375 -
3376 - /*
3377 - * For now assume MCS is already set up correctly, this
3378 - * needs to be fixed.
3379 - */
3380 - if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) {
3381 - WARN_ON(info->control.rates[i].idx > 76);
3382 - continue;
3383 - }
3384 -
3385 - /* set up RTS protection if desired */
3386 - if (rts)
3387 - info->control.rates[i].flags |=
3388 - IEEE80211_TX_RC_USE_RTS_CTS;
3389 -
3390 - /* RC is busted */
3391 - if (WARN_ON_ONCE(info->control.rates[i].idx >=
3392 - sband->n_bitrates)) {
3393 - info->control.rates[i].idx = -1;
3394 - continue;
3395 - }
3396 -
3397 - rate = &sband->bitrates[info->control.rates[i].idx];
3398 -
3399 - /* set up short preamble */
3400 - if (short_preamble &&
3401 - rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
3402 - info->control.rates[i].flags |=
3403 - IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
3404 -
3405 - /* set up G protection */
3406 - if (!rts && tx->sdata->vif.bss_conf.use_cts_prot &&
3407 - rate->flags & IEEE80211_RATE_ERP_G)
3408 - info->control.rates[i].flags |=
3409 - IEEE80211_TX_RC_USE_CTS_PROTECT;
3410 - }
3411 -
3412 return TX_CONTINUE;
3413 }
3414
3415 @@ -2508,8 +2450,6 @@ struct sk_buff *ieee80211_beacon_get_tim
3416 txrc.max_rate_idx = -1;
3417 else
3418 txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
3419 - memcpy(txrc.rate_idx_mcs_mask, sdata->rc_rateidx_mcs_mask[band],
3420 - sizeof(txrc.rate_idx_mcs_mask));
3421 txrc.bss = true;
3422 rate_control_get_rate(sdata, NULL, &txrc);
3423
3424 --- a/net/mac80211/util.c
3425 +++ b/net/mac80211/util.c
3426 @@ -485,7 +485,8 @@ int ieee80211_queue_stopped(struct ieee8
3427 return true;
3428
3429 spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
3430 - ret = !!local->queue_stop_reasons[queue];
3431 + ret = test_bit(IEEE80211_QUEUE_STOP_REASON_DRIVER,
3432 + &local->queue_stop_reasons[queue]);
3433 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
3434 return ret;
3435 }
3436 @@ -660,7 +661,7 @@ void ieee80211_queue_delayed_work(struct
3437 }
3438 EXPORT_SYMBOL(ieee80211_queue_delayed_work);
3439
3440 -u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
3441 +u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action,
3442 struct ieee802_11_elems *elems,
3443 u64 filter, u32 crc)
3444 {
3445 @@ -668,6 +669,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start
3446 u8 *pos = start;
3447 bool calc_crc = filter != 0;
3448 DECLARE_BITMAP(seen_elems, 256);
3449 + const u8 *ie;
3450
3451 bitmap_zero(seen_elems, 256);
3452 memset(elems, 0, sizeof(*elems));
3453 @@ -715,6 +717,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start
3454 case WLAN_EID_COUNTRY:
3455 case WLAN_EID_PWR_CONSTRAINT:
3456 case WLAN_EID_TIMEOUT_INTERVAL:
3457 + case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
3458 + case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
3459 + /*
3460 + * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
3461 + * that if the content gets bigger it might be needed more than once
3462 + */
3463 if (test_bit(id, seen_elems)) {
3464 elems->parse_error = true;
3465 left -= elen;
3466 @@ -862,6 +870,48 @@ u32 ieee802_11_parse_elems_crc(u8 *start
3467 }
3468 elems->ch_switch_ie = (void *)pos;
3469 break;
3470 + case WLAN_EID_EXT_CHANSWITCH_ANN:
3471 + if (elen != sizeof(struct ieee80211_ext_chansw_ie)) {
3472 + elem_parse_failed = true;
3473 + break;
3474 + }
3475 + elems->ext_chansw_ie = (void *)pos;
3476 + break;
3477 + case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
3478 + if (elen != sizeof(struct ieee80211_sec_chan_offs_ie)) {
3479 + elem_parse_failed = true;
3480 + break;
3481 + }
3482 + elems->sec_chan_offs = (void *)pos;
3483 + break;
3484 + case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
3485 + if (!action ||
3486 + elen != sizeof(*elems->wide_bw_chansw_ie)) {
3487 + elem_parse_failed = true;
3488 + break;
3489 + }
3490 + elems->wide_bw_chansw_ie = (void *)pos;
3491 + break;
3492 + case WLAN_EID_CHANNEL_SWITCH_WRAPPER:
3493 + if (action) {
3494 + elem_parse_failed = true;
3495 + break;
3496 + }
3497 + /*
3498 + * This is a bit tricky, but as we only care about
3499 + * the wide bandwidth channel switch element, so
3500 + * just parse it out manually.
3501 + */
3502 + ie = cfg80211_find_ie(WLAN_EID_WIDE_BW_CHANNEL_SWITCH,
3503 + pos, elen);
3504 + if (ie) {
3505 + if (ie[1] == sizeof(*elems->wide_bw_chansw_ie))
3506 + elems->wide_bw_chansw_ie =
3507 + (void *)(ie + 2);
3508 + else
3509 + elem_parse_failed = true;
3510 + }
3511 + break;
3512 case WLAN_EID_COUNTRY:
3513 elems->country_elem = pos;
3514 elems->country_elem_len = elen;
3515 --- a/net/wireless/reg.c
3516 +++ b/net/wireless/reg.c
3517 @@ -857,7 +857,7 @@ static void handle_channel(struct wiphy
3518 return;
3519
3520 REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
3521 - chan->flags = IEEE80211_CHAN_DISABLED;
3522 + chan->flags |= IEEE80211_CHAN_DISABLED;
3523 return;
3524 }
3525
3526 --- a/net/wireless/util.c
3527 +++ b/net/wireless/util.c
3528 @@ -1156,6 +1156,26 @@ int cfg80211_get_p2p_attr(const u8 *ies,
3529 }
3530 EXPORT_SYMBOL(cfg80211_get_p2p_attr);
3531
3532 +bool ieee80211_operating_class_to_band(u8 operating_class,
3533 + enum ieee80211_band *band)
3534 +{
3535 + switch (operating_class) {
3536 + case 112:
3537 + case 115 ... 127:
3538 + *band = IEEE80211_BAND_5GHZ;
3539 + return true;
3540 + case 81:
3541 + case 82:
3542 + case 83:
3543 + case 84:
3544 + *band = IEEE80211_BAND_2GHZ;
3545 + return true;
3546 + }
3547 +
3548 + return false;
3549 +}
3550 +EXPORT_SYMBOL(ieee80211_operating_class_to_band);
3551 +
3552 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
3553 u32 beacon_int)
3554 {
3555 --- a/include/uapi/linux/nl80211.h
3556 +++ b/include/uapi/linux/nl80211.h
3557 @@ -1973,6 +1973,10 @@ enum nl80211_sta_bss_param {
3558 * @NL80211_STA_INFO_PEER_PM: peer mesh STA link-specific power mode
3559 * @NL80211_STA_INFO_NONPEER_PM: neighbor mesh STA power save mode towards
3560 * non-peer STA
3561 + * @NL80211_STA_INFO_CHAIN_SIGNAL: per-chain signal strength of last PPDU
3562 + * Contains a nested array of signal strength attributes (u8, dBm)
3563 + * @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
3564 + * Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
3565 * @__NL80211_STA_INFO_AFTER_LAST: internal
3566 * @NL80211_STA_INFO_MAX: highest possible station info attribute
3567 */
3568 @@ -2002,6 +2006,8 @@ enum nl80211_sta_info {
3569 NL80211_STA_INFO_NONPEER_PM,
3570 NL80211_STA_INFO_RX_BYTES64,
3571 NL80211_STA_INFO_TX_BYTES64,
3572 + NL80211_STA_INFO_CHAIN_SIGNAL,
3573 + NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
3574
3575 /* keep last */
3576 __NL80211_STA_INFO_AFTER_LAST,
3577 --- a/net/mac80211/sta_info.c
3578 +++ b/net/mac80211/sta_info.c
3579 @@ -358,6 +358,8 @@ struct sta_info *sta_info_alloc(struct i
3580 do_posix_clock_monotonic_gettime(&uptime);
3581 sta->last_connected = uptime.tv_sec;
3582 ewma_init(&sta->avg_signal, 1024, 8);
3583 + for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)
3584 + ewma_init(&sta->chain_signal_avg[i], 1024, 8);
3585
3586 if (sta_prepare_rate_control(local, sta, gfp)) {
3587 kfree(sta);
3588 --- a/net/wireless/nl80211.c
3589 +++ b/net/wireless/nl80211.c
3590 @@ -3367,6 +3367,32 @@ static bool nl80211_put_sta_rate(struct
3591 return true;
3592 }
3593
3594 +static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
3595 + int id)
3596 +{
3597 + void *attr;
3598 + int i = 0;
3599 +
3600 + if (!mask)
3601 + return true;
3602 +
3603 + attr = nla_nest_start(msg, id);
3604 + if (!attr)
3605 + return false;
3606 +
3607 + for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
3608 + if (!(mask & BIT(i)))
3609 + continue;
3610 +
3611 + if (nla_put_u8(msg, i, signal[i]))
3612 + return false;
3613 + }
3614 +
3615 + nla_nest_end(msg, attr);
3616 +
3617 + return true;
3618 +}
3619 +
3620 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
3621 int flags,
3622 struct cfg80211_registered_device *rdev,
3623 @@ -3438,6 +3464,18 @@ static int nl80211_send_station(struct s
3624 default:
3625 break;
3626 }
3627 + if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
3628 + if (!nl80211_put_signal(msg, sinfo->chains,
3629 + sinfo->chain_signal,
3630 + NL80211_STA_INFO_CHAIN_SIGNAL))
3631 + goto nla_put_failure;
3632 + }
3633 + if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
3634 + if (!nl80211_put_signal(msg, sinfo->chains,
3635 + sinfo->chain_signal_avg,
3636 + NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
3637 + goto nla_put_failure;
3638 + }
3639 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
3640 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
3641 NL80211_STA_INFO_TX_BITRATE))
3642 --- a/drivers/net/wireless/ath/ath9k/init.c
3643 +++ b/drivers/net/wireless/ath/ath9k/init.c
3644 @@ -768,7 +768,8 @@ void ath9k_set_hw_capab(struct ath_softc
3645 IEEE80211_HW_SUPPORTS_PS |
3646 IEEE80211_HW_PS_NULLFUNC_STACK |
3647 IEEE80211_HW_SPECTRUM_MGMT |
3648 - IEEE80211_HW_REPORTS_TX_ACK_STATUS;
3649 + IEEE80211_HW_REPORTS_TX_ACK_STATUS |
3650 + IEEE80211_HW_SUPPORTS_RC_TABLE;
3651
3652 if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
3653 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
3654 --- a/drivers/net/wireless/ath/ath9k/xmit.c
3655 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
3656 @@ -157,6 +157,13 @@ static void ath_send_bar(struct ath_atx_
3657 seqno << IEEE80211_SEQ_SEQ_SHIFT);
3658 }
3659
3660 +static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
3661 + struct ath_buf *bf)
3662 +{
3663 + ieee80211_get_tx_rates(vif, sta, bf->bf_mpdu, bf->rates,
3664 + ARRAY_SIZE(bf->rates));
3665 +}
3666 +
3667 static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
3668 {
3669 struct ath_txq *txq = tid->ac->txq;
3670 @@ -189,6 +196,7 @@ static void ath_tx_flush_tid(struct ath_
3671 ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
3672 sendbar = true;
3673 } else {
3674 + ath_set_rates(tid->an->vif, tid->an->sta, bf);
3675 ath_tx_send_normal(sc, txq, NULL, skb);
3676 }
3677 }
3678 @@ -407,7 +415,7 @@ static void ath_tx_complete_aggr(struct
3679
3680 tx_info = IEEE80211_SKB_CB(skb);
3681
3682 - memcpy(rates, tx_info->control.rates, sizeof(rates));
3683 + memcpy(rates, bf->rates, sizeof(rates));
3684
3685 retries = ts->ts_longretry + 1;
3686 for (i = 0; i < ts->ts_rateindex; i++)
3687 @@ -736,8 +744,6 @@ static int ath_compute_num_delims(struct
3688 bool first_subfrm)
3689 {
3690 #define FIRST_DESC_NDELIMS 60
3691 - struct sk_buff *skb = bf->bf_mpdu;
3692 - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
3693 u32 nsymbits, nsymbols;
3694 u16 minlen;
3695 u8 flags, rix;
3696 @@ -778,8 +784,8 @@ static int ath_compute_num_delims(struct
3697 if (tid->an->mpdudensity == 0)
3698 return ndelim;
3699
3700 - rix = tx_info->control.rates[0].idx;
3701 - flags = tx_info->control.rates[0].flags;
3702 + rix = bf->rates[0].idx;
3703 + flags = bf->rates[0].flags;
3704 width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
3705 half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
3706
3707 @@ -858,6 +864,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
3708 bf_first = bf;
3709
3710 if (!rl) {
3711 + ath_set_rates(tid->an->vif, tid->an->sta, bf);
3712 aggr_limit = ath_lookup_rate(sc, bf, tid);
3713 rl = 1;
3714 }
3715 @@ -998,14 +1005,14 @@ static void ath_buf_set_rate(struct ath_
3716
3717 skb = bf->bf_mpdu;
3718 tx_info = IEEE80211_SKB_CB(skb);
3719 - rates = tx_info->control.rates;
3720 + rates = bf->rates;
3721 hdr = (struct ieee80211_hdr *)skb->data;
3722
3723 /* set dur_update_en for l-sig computation except for PS-Poll frames */
3724 info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
3725 info->rtscts_rate = fi->rtscts_rate;
3726
3727 - for (i = 0; i < 4; i++) {
3728 + for (i = 0; i < ARRAY_SIZE(bf->rates); i++) {
3729 bool is_40, is_sgi, is_sp;
3730 int phy;
3731
3732 @@ -1743,6 +1750,7 @@ static void ath_tx_send_ampdu(struct ath
3733 return;
3734 }
3735
3736 + ath_set_rates(tid->an->vif, tid->an->sta, bf);
3737 bf->bf_state.bf_type = BUF_AMPDU;
3738 INIT_LIST_HEAD(&bf_head);
3739 list_add(&bf->list, &bf_head);
3740 @@ -1892,49 +1900,6 @@ static struct ath_buf *ath_tx_setup_buff
3741 return bf;
3742 }
3743
3744 -/* FIXME: tx power */
3745 -static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
3746 - struct ath_tx_control *txctl)
3747 -{
3748 - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
3749 - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3750 - struct ath_atx_tid *tid = NULL;
3751 - struct ath_buf *bf;
3752 - u8 tidno;
3753 -
3754 - if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
3755 - tidno = ieee80211_get_qos_ctl(hdr)[0] &
3756 - IEEE80211_QOS_CTL_TID_MASK;
3757 - tid = ATH_AN_2_TID(txctl->an, tidno);
3758 -
3759 - WARN_ON(tid->ac->txq != txctl->txq);
3760 - }
3761 -
3762 - if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
3763 - /*
3764 - * Try aggregation if it's a unicast data frame
3765 - * and the destination is HT capable.
3766 - */
3767 - ath_tx_send_ampdu(sc, tid, skb, txctl);
3768 - } else {
3769 - bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
3770 - if (!bf) {
3771 - if (txctl->paprd)
3772 - dev_kfree_skb_any(skb);
3773 - else
3774 - ieee80211_free_txskb(sc->hw, skb);
3775 - return;
3776 - }
3777 -
3778 - bf->bf_state.bfs_paprd = txctl->paprd;
3779 -
3780 - if (txctl->paprd)
3781 - bf->bf_state.bfs_paprd_timestamp = jiffies;
3782 -
3783 - ath_tx_send_normal(sc, txctl->txq, tid, skb);
3784 - }
3785 -}
3786 -
3787 /* Upon failure caller should free skb */
3788 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
3789 struct ath_tx_control *txctl)
3790 @@ -1945,8 +1910,11 @@ int ath_tx_start(struct ieee80211_hw *hw
3791 struct ieee80211_vif *vif = info->control.vif;
3792 struct ath_softc *sc = hw->priv;
3793 struct ath_txq *txq = txctl->txq;
3794 + struct ath_atx_tid *tid = NULL;
3795 + struct ath_buf *bf;
3796 int padpos, padsize;
3797 int frmlen = skb->len + FCS_LEN;
3798 + u8 tidno;
3799 int q;
3800
3801 /* NOTE: sta can be NULL according to net/mac80211.h */
3802 @@ -2002,8 +1970,41 @@ int ath_tx_start(struct ieee80211_hw *hw
3803 txq->stopped = true;
3804 }
3805
3806 - ath_tx_start_dma(sc, skb, txctl);
3807 + if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
3808 + tidno = ieee80211_get_qos_ctl(hdr)[0] &
3809 + IEEE80211_QOS_CTL_TID_MASK;
3810 + tid = ATH_AN_2_TID(txctl->an, tidno);
3811 +
3812 + WARN_ON(tid->ac->txq != txctl->txq);
3813 + }
3814 +
3815 + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
3816 + /*
3817 + * Try aggregation if it's a unicast data frame
3818 + * and the destination is HT capable.
3819 + */
3820 + ath_tx_send_ampdu(sc, tid, skb, txctl);
3821 + goto out;
3822 + }
3823 +
3824 + bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
3825 + if (!bf) {
3826 + if (txctl->paprd)
3827 + dev_kfree_skb_any(skb);
3828 + else
3829 + ieee80211_free_txskb(sc->hw, skb);
3830 + goto out;
3831 + }
3832 +
3833 + bf->bf_state.bfs_paprd = txctl->paprd;
3834 +
3835 + if (txctl->paprd)
3836 + bf->bf_state.bfs_paprd_timestamp = jiffies;
3837 +
3838 + ath_set_rates(vif, sta, bf);
3839 + ath_tx_send_normal(sc, txctl->txq, tid, skb);
3840
3841 +out:
3842 ath_txq_unlock(sc, txq);
3843
3844 return 0;
3845 --- a/drivers/net/wireless/ath/ath9k/recv.c
3846 +++ b/drivers/net/wireless/ath/ath9k/recv.c
3847 @@ -124,7 +124,7 @@ static bool ath_rx_edma_buf_link(struct
3848
3849 SKB_CB_ATHBUF(skb) = bf;
3850 ath9k_hw_addrxbuf_edma(ah, bf->bf_buf_addr, qtype);
3851 - skb_queue_tail(&rx_edma->rx_fifo, skb);
3852 + __skb_queue_tail(&rx_edma->rx_fifo, skb);
3853
3854 return true;
3855 }
3856 @@ -155,7 +155,7 @@ static void ath_rx_remove_buffer(struct
3857
3858 rx_edma = &sc->rx.rx_edma[qtype];
3859
3860 - while ((skb = skb_dequeue(&rx_edma->rx_fifo)) != NULL) {
3861 + while ((skb = __skb_dequeue(&rx_edma->rx_fifo)) != NULL) {
3862 bf = SKB_CB_ATHBUF(skb);
3863 BUG_ON(!bf);
3864 list_add_tail(&bf->list, &sc->rx.rxbuf);
3865 @@ -1287,13 +1287,13 @@ int ath_rx_tasklet(struct ath_softc *sc,
3866 goto requeue_drop_frag;
3867 }
3868
3869 - bf->bf_mpdu = requeue_skb;
3870 - bf->bf_buf_addr = new_buf_addr;
3871 -
3872 /* Unmap the frame */
3873 dma_unmap_single(sc->dev, bf->bf_buf_addr,
3874 common->rx_bufsize, dma_type);
3875
3876 + bf->bf_mpdu = requeue_skb;
3877 + bf->bf_buf_addr = new_buf_addr;
3878 +
3879 skb_put(skb, rs.rs_datalen + ah->caps.rx_status_len);
3880 if (ah->caps.rx_status_len)
3881 skb_pull(skb, ah->caps.rx_status_len);
3882 --- a/net/wireless/core.c
3883 +++ b/net/wireless/core.c
3884 @@ -885,7 +885,6 @@ void cfg80211_leave(struct cfg80211_regi
3885 #endif
3886 __cfg80211_disconnect(rdev, dev,
3887 WLAN_REASON_DEAUTH_LEAVING, true);
3888 - cfg80211_mlme_down(rdev, dev);
3889 wdev_unlock(wdev);
3890 break;
3891 case NL80211_IFTYPE_MESH_POINT:
3892 --- a/net/wireless/sme.c
3893 +++ b/net/wireless/sme.c
3894 @@ -961,7 +961,7 @@ int __cfg80211_disconnect(struct cfg8021
3895 /* was it connected by userspace SME? */
3896 if (!wdev->conn) {
3897 cfg80211_mlme_down(rdev, dev);
3898 - return 0;
3899 + goto disconnect;
3900 }
3901
3902 if (wdev->sme_state == CFG80211_SME_CONNECTING &&
3903 @@ -987,6 +987,7 @@ int __cfg80211_disconnect(struct cfg8021
3904 return err;
3905 }
3906
3907 + disconnect:
3908 if (wdev->sme_state == CFG80211_SME_CONNECTED)
3909 __cfg80211_disconnected(dev, NULL, 0, 0, false);
3910 else if (wdev->sme_state == CFG80211_SME_CONNECTING)
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