projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
mac80211: avoid using synchronize_rcu in ieee80211_set_probe_resp
[deliverable/linux.git] / net / mac80211 / cfg.c
1 /*
2 * mac80211 configuration hooks for cfg80211
3 *
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
19 #include "cfg.h"
20 #include "rate.h"
21 #include "mesh.h"
22
23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name,
24 enum nl80211_iftype type,
25 u32 *flags,
26 struct vif_params *params)
27 {
28 struct ieee80211_local *local = wiphy_priv(wiphy);
29 struct wireless_dev *wdev;
30 struct ieee80211_sub_if_data *sdata;
31 int err;
32
33 err = ieee80211_if_add(local, name, &wdev, type, params);
34 if (err)
35 return ERR_PTR(err);
36
37 if (type == NL80211_IFTYPE_MONITOR && flags) {
38 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
39 sdata->u.mntr_flags = *flags;
40 }
41
42 return wdev;
43 }
44
45 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
46 {
47 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
48
49 return 0;
50 }
51
52 static int ieee80211_change_iface(struct wiphy *wiphy,
53 struct net_device *dev,
54 enum nl80211_iftype type, u32 *flags,
55 struct vif_params *params)
56 {
57 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
58 int ret;
59
60 ret = ieee80211_if_change_type(sdata, type);
61 if (ret)
62 return ret;
63
64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
66 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
67 else if (type == NL80211_IFTYPE_STATION &&
68 params && params->use_4addr >= 0)
69 sdata->u.mgd.use_4addr = params->use_4addr;
70
71 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
72 struct ieee80211_local *local = sdata->local;
73
74 if (ieee80211_sdata_running(sdata)) {
75 /*
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
82 */
83 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
84 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
85 return -EBUSY;
86
87 ieee80211_adjust_monitor_flags(sdata, -1);
88 sdata->u.mntr_flags = *flags;
89 ieee80211_adjust_monitor_flags(sdata, 1);
90
91 ieee80211_configure_filter(local);
92 } else {
93 /*
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
97 */
98 sdata->u.mntr_flags = *flags;
99 }
100 }
101
102 return 0;
103 }
104
105 static int ieee80211_set_noack_map(struct wiphy *wiphy,
106 struct net_device *dev,
107 u16 noack_map)
108 {
109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110
111 sdata->noack_map = noack_map;
112 return 0;
113 }
114
115 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
116 u8 key_idx, bool pairwise, const u8 *mac_addr,
117 struct key_params *params)
118 {
119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
120 struct sta_info *sta = NULL;
121 struct ieee80211_key *key;
122 int err;
123
124 if (!ieee80211_sdata_running(sdata))
125 return -ENETDOWN;
126
127 /* reject WEP and TKIP keys if WEP failed to initialize */
128 switch (params->cipher) {
129 case WLAN_CIPHER_SUITE_WEP40:
130 case WLAN_CIPHER_SUITE_TKIP:
131 case WLAN_CIPHER_SUITE_WEP104:
132 if (IS_ERR(sdata->local->wep_tx_tfm))
133 return -EINVAL;
134 break;
135 default:
136 break;
137 }
138
139 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
140 params->key, params->seq_len, params->seq);
141 if (IS_ERR(key))
142 return PTR_ERR(key);
143
144 if (pairwise)
145 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
146
147 mutex_lock(&sdata->local->sta_mtx);
148
149 if (mac_addr) {
150 if (ieee80211_vif_is_mesh(&sdata->vif))
151 sta = sta_info_get(sdata, mac_addr);
152 else
153 sta = sta_info_get_bss(sdata, mac_addr);
154 if (!sta) {
155 ieee80211_key_free(sdata->local, key);
156 err = -ENOENT;
157 goto out_unlock;
158 }
159 }
160
161 err = ieee80211_key_link(key, sdata, sta);
162 if (err)
163 ieee80211_key_free(sdata->local, key);
164
165 out_unlock:
166 mutex_unlock(&sdata->local->sta_mtx);
167
168 return err;
169 }
170
171 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
172 u8 key_idx, bool pairwise, const u8 *mac_addr)
173 {
174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
175 struct ieee80211_local *local = sdata->local;
176 struct sta_info *sta;
177 struct ieee80211_key *key = NULL;
178 int ret;
179
180 mutex_lock(&local->sta_mtx);
181 mutex_lock(&local->key_mtx);
182
183 if (mac_addr) {
184 ret = -ENOENT;
185
186 sta = sta_info_get_bss(sdata, mac_addr);
187 if (!sta)
188 goto out_unlock;
189
190 if (pairwise)
191 key = key_mtx_dereference(local, sta->ptk);
192 else
193 key = key_mtx_dereference(local, sta->gtk[key_idx]);
194 } else
195 key = key_mtx_dereference(local, sdata->keys[key_idx]);
196
197 if (!key) {
198 ret = -ENOENT;
199 goto out_unlock;
200 }
201
202 __ieee80211_key_free(key);
203
204 ret = 0;
205 out_unlock:
206 mutex_unlock(&local->key_mtx);
207 mutex_unlock(&local->sta_mtx);
208
209 return ret;
210 }
211
212 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
213 u8 key_idx, bool pairwise, const u8 *mac_addr,
214 void *cookie,
215 void (*callback)(void *cookie,
216 struct key_params *params))
217 {
218 struct ieee80211_sub_if_data *sdata;
219 struct sta_info *sta = NULL;
220 u8 seq[6] = {0};
221 struct key_params params;
222 struct ieee80211_key *key = NULL;
223 u64 pn64;
224 u32 iv32;
225 u16 iv16;
226 int err = -ENOENT;
227
228 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
229
230 rcu_read_lock();
231
232 if (mac_addr) {
233 sta = sta_info_get_bss(sdata, mac_addr);
234 if (!sta)
235 goto out;
236
237 if (pairwise)
238 key = rcu_dereference(sta->ptk);
239 else if (key_idx < NUM_DEFAULT_KEYS)
240 key = rcu_dereference(sta->gtk[key_idx]);
241 } else
242 key = rcu_dereference(sdata->keys[key_idx]);
243
244 if (!key)
245 goto out;
246
247 memset(&params, 0, sizeof(params));
248
249 params.cipher = key->conf.cipher;
250
251 switch (key->conf.cipher) {
252 case WLAN_CIPHER_SUITE_TKIP:
253 iv32 = key->u.tkip.tx.iv32;
254 iv16 = key->u.tkip.tx.iv16;
255
256 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
257 drv_get_tkip_seq(sdata->local,
258 key->conf.hw_key_idx,
259 &iv32, &iv16);
260
261 seq[0] = iv16 & 0xff;
262 seq[1] = (iv16 >> 8) & 0xff;
263 seq[2] = iv32 & 0xff;
264 seq[3] = (iv32 >> 8) & 0xff;
265 seq[4] = (iv32 >> 16) & 0xff;
266 seq[5] = (iv32 >> 24) & 0xff;
267 params.seq = seq;
268 params.seq_len = 6;
269 break;
270 case WLAN_CIPHER_SUITE_CCMP:
271 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
272 seq[0] = pn64;
273 seq[1] = pn64 >> 8;
274 seq[2] = pn64 >> 16;
275 seq[3] = pn64 >> 24;
276 seq[4] = pn64 >> 32;
277 seq[5] = pn64 >> 40;
278 params.seq = seq;
279 params.seq_len = 6;
280 break;
281 case WLAN_CIPHER_SUITE_AES_CMAC:
282 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
283 seq[0] = pn64;
284 seq[1] = pn64 >> 8;
285 seq[2] = pn64 >> 16;
286 seq[3] = pn64 >> 24;
287 seq[4] = pn64 >> 32;
288 seq[5] = pn64 >> 40;
289 params.seq = seq;
290 params.seq_len = 6;
291 break;
292 }
293
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
296
297 callback(cookie, &params);
298 err = 0;
299
300 out:
301 rcu_read_unlock();
302 return err;
303 }
304
305 static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
307 u8 key_idx, bool uni,
308 bool multi)
309 {
310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
311
312 ieee80211_set_default_key(sdata, key_idx, uni, multi);
313
314 return 0;
315 }
316
317 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
318 struct net_device *dev,
319 u8 key_idx)
320 {
321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
322
323 ieee80211_set_default_mgmt_key(sdata, key_idx);
324
325 return 0;
326 }
327
328 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
329 {
330 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
331 struct ieee80211_supported_band *sband;
332 sband = sta->local->hw.wiphy->bands[
333 sta->local->oper_channel->band];
334 rate->legacy = sband->bitrates[idx].bitrate;
335 } else
336 rate->mcs = idx;
337 }
338
339 void sta_set_rate_info_tx(struct sta_info *sta,
340 const struct ieee80211_tx_rate *rate,
341 struct rate_info *rinfo)
342 {
343 rinfo->flags = 0;
344 if (rate->flags & IEEE80211_TX_RC_MCS)
345 rinfo->flags |= RATE_INFO_FLAGS_MCS;
346 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
347 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
348 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
349 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
350 rate_idx_to_bitrate(rinfo, sta, rate->idx);
351 }
352
353 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
354 {
355 struct ieee80211_sub_if_data *sdata = sta->sdata;
356 struct ieee80211_local *local = sdata->local;
357 struct timespec uptime;
358
359 sinfo->generation = sdata->local->sta_generation;
360
361 sinfo->filled = STATION_INFO_INACTIVE_TIME |
362 STATION_INFO_RX_BYTES |
363 STATION_INFO_TX_BYTES |
364 STATION_INFO_RX_PACKETS |
365 STATION_INFO_TX_PACKETS |
366 STATION_INFO_TX_RETRIES |
367 STATION_INFO_TX_FAILED |
368 STATION_INFO_TX_BITRATE |
369 STATION_INFO_RX_BITRATE |
370 STATION_INFO_RX_DROP_MISC |
371 STATION_INFO_BSS_PARAM |
372 STATION_INFO_CONNECTED_TIME |
373 STATION_INFO_STA_FLAGS |
374 STATION_INFO_BEACON_LOSS_COUNT;
375
376 do_posix_clock_monotonic_gettime(&uptime);
377 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
378
379 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
380 sinfo->rx_bytes = sta->rx_bytes;
381 sinfo->tx_bytes = sta->tx_bytes;
382 sinfo->rx_packets = sta->rx_packets;
383 sinfo->tx_packets = sta->tx_packets;
384 sinfo->tx_retries = sta->tx_retry_count;
385 sinfo->tx_failed = sta->tx_retry_failed;
386 sinfo->rx_dropped_misc = sta->rx_dropped;
387 sinfo->beacon_loss_count = sta->beacon_loss_count;
388
389 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
390 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
391 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
392 if (!local->ops->get_rssi ||
393 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
394 sinfo->signal = (s8)sta->last_signal;
395 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
396 }
397
398 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
399
400 sinfo->rxrate.flags = 0;
401 if (sta->last_rx_rate_flag & RX_FLAG_HT)
402 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
403 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
404 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
405 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
406 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
407 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
408
409 if (ieee80211_vif_is_mesh(&sdata->vif)) {
410 #ifdef CONFIG_MAC80211_MESH
411 sinfo->filled |= STATION_INFO_LLID |
412 STATION_INFO_PLID |
413 STATION_INFO_PLINK_STATE;
414
415 sinfo->llid = le16_to_cpu(sta->llid);
416 sinfo->plid = le16_to_cpu(sta->plid);
417 sinfo->plink_state = sta->plink_state;
418 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
419 sinfo->filled |= STATION_INFO_T_OFFSET;
420 sinfo->t_offset = sta->t_offset;
421 }
422 #endif
423 }
424
425 sinfo->bss_param.flags = 0;
426 if (sdata->vif.bss_conf.use_cts_prot)
427 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
428 if (sdata->vif.bss_conf.use_short_preamble)
429 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
430 if (sdata->vif.bss_conf.use_short_slot)
431 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
432 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
433 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
434
435 sinfo->sta_flags.set = 0;
436 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
437 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
438 BIT(NL80211_STA_FLAG_WME) |
439 BIT(NL80211_STA_FLAG_MFP) |
440 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
441 BIT(NL80211_STA_FLAG_TDLS_PEER);
442 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
443 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
444 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
445 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
446 if (test_sta_flag(sta, WLAN_STA_WME))
447 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
448 if (test_sta_flag(sta, WLAN_STA_MFP))
449 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
450 if (test_sta_flag(sta, WLAN_STA_AUTH))
451 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
452 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
453 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
454 }
455
456 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
457 "rx_packets", "rx_bytes", "wep_weak_iv_count",
458 "rx_duplicates", "rx_fragments", "rx_dropped",
459 "tx_packets", "tx_bytes", "tx_fragments",
460 "tx_filtered", "tx_retry_failed", "tx_retries",
461 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
462 "channel", "noise", "ch_time", "ch_time_busy",
463 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
464 };
465 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
466
467 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
468 struct net_device *dev,
469 int sset)
470 {
471 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
472 int rv = 0;
473
474 if (sset == ETH_SS_STATS)
475 rv += STA_STATS_LEN;
476
477 rv += drv_get_et_sset_count(sdata, sset);
478
479 if (rv == 0)
480 return -EOPNOTSUPP;
481 return rv;
482 }
483
484 static void ieee80211_get_et_stats(struct wiphy *wiphy,
485 struct net_device *dev,
486 struct ethtool_stats *stats,
487 u64 *data)
488 {
489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
490 struct sta_info *sta;
491 struct ieee80211_local *local = sdata->local;
492 struct station_info sinfo;
493 struct survey_info survey;
494 int i, q;
495 #define STA_STATS_SURVEY_LEN 7
496
497 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
498
499 #define ADD_STA_STATS(sta) \
500 do { \
501 data[i++] += sta->rx_packets; \
502 data[i++] += sta->rx_bytes; \
503 data[i++] += sta->wep_weak_iv_count; \
504 data[i++] += sta->num_duplicates; \
505 data[i++] += sta->rx_fragments; \
506 data[i++] += sta->rx_dropped; \
507 \
508 data[i++] += sta->tx_packets; \
509 data[i++] += sta->tx_bytes; \
510 data[i++] += sta->tx_fragments; \
511 data[i++] += sta->tx_filtered_count; \
512 data[i++] += sta->tx_retry_failed; \
513 data[i++] += sta->tx_retry_count; \
514 data[i++] += sta->beacon_loss_count; \
515 } while (0)
516
517 /* For Managed stations, find the single station based on BSSID
518 * and use that. For interface types, iterate through all available
519 * stations and add stats for any station that is assigned to this
520 * network device.
521 */
522
523 mutex_lock(&local->sta_mtx);
524
525 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
526 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
527
528 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
529 goto do_survey;
530
531 i = 0;
532 ADD_STA_STATS(sta);
533
534 data[i++] = sta->sta_state;
535
536 sinfo.filled = 0;
537 sta_set_sinfo(sta, &sinfo);
538
539 if (sinfo.filled & STATION_INFO_TX_BITRATE)
540 data[i] = 100000 *
541 cfg80211_calculate_bitrate(&sinfo.txrate);
542 i++;
543 if (sinfo.filled & STATION_INFO_RX_BITRATE)
544 data[i] = 100000 *
545 cfg80211_calculate_bitrate(&sinfo.rxrate);
546 i++;
547
548 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
549 data[i] = (u8)sinfo.signal_avg;
550 i++;
551 } else {
552 list_for_each_entry(sta, &local->sta_list, list) {
553 /* Make sure this station belongs to the proper dev */
554 if (sta->sdata->dev != dev)
555 continue;
556
557 i = 0;
558 ADD_STA_STATS(sta);
559 }
560 }
561
562 do_survey:
563 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
564 /* Get survey stats for current channel */
565 q = 0;
566 while (true) {
567 survey.filled = 0;
568 if (drv_get_survey(local, q, &survey) != 0) {
569 survey.filled = 0;
570 break;
571 }
572
573 if (survey.channel &&
574 (local->oper_channel->center_freq ==
575 survey.channel->center_freq))
576 break;
577 q++;
578 }
579
580 if (survey.filled)
581 data[i++] = survey.channel->center_freq;
582 else
583 data[i++] = 0;
584 if (survey.filled & SURVEY_INFO_NOISE_DBM)
585 data[i++] = (u8)survey.noise;
586 else
587 data[i++] = -1LL;
588 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
589 data[i++] = survey.channel_time;
590 else
591 data[i++] = -1LL;
592 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
593 data[i++] = survey.channel_time_busy;
594 else
595 data[i++] = -1LL;
596 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
597 data[i++] = survey.channel_time_ext_busy;
598 else
599 data[i++] = -1LL;
600 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
601 data[i++] = survey.channel_time_rx;
602 else
603 data[i++] = -1LL;
604 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
605 data[i++] = survey.channel_time_tx;
606 else
607 data[i++] = -1LL;
608
609 mutex_unlock(&local->sta_mtx);
610
611 if (WARN_ON(i != STA_STATS_LEN))
612 return;
613
614 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
615 }
616
617 static void ieee80211_get_et_strings(struct wiphy *wiphy,
618 struct net_device *dev,
619 u32 sset, u8 *data)
620 {
621 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
622 int sz_sta_stats = 0;
623
624 if (sset == ETH_SS_STATS) {
625 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
626 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
627 }
628 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
629 }
630
631 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
632 int idx, u8 *mac, struct station_info *sinfo)
633 {
634 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
635 struct ieee80211_local *local = sdata->local;
636 struct sta_info *sta;
637 int ret = -ENOENT;
638
639 mutex_lock(&local->sta_mtx);
640
641 sta = sta_info_get_by_idx(sdata, idx);
642 if (sta) {
643 ret = 0;
644 memcpy(mac, sta->sta.addr, ETH_ALEN);
645 sta_set_sinfo(sta, sinfo);
646 }
647
648 mutex_unlock(&local->sta_mtx);
649
650 return ret;
651 }
652
653 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
654 int idx, struct survey_info *survey)
655 {
656 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
657
658 return drv_get_survey(local, idx, survey);
659 }
660
661 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
662 u8 *mac, struct station_info *sinfo)
663 {
664 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
665 struct ieee80211_local *local = sdata->local;
666 struct sta_info *sta;
667 int ret = -ENOENT;
668
669 mutex_lock(&local->sta_mtx);
670
671 sta = sta_info_get_bss(sdata, mac);
672 if (sta) {
673 ret = 0;
674 sta_set_sinfo(sta, sinfo);
675 }
676
677 mutex_unlock(&local->sta_mtx);
678
679 return ret;
680 }
681
682 static int ieee80211_set_channel(struct wiphy *wiphy,
683 struct net_device *netdev,
684 struct ieee80211_channel *chan,
685 enum nl80211_channel_type channel_type)
686 {
687 struct ieee80211_local *local = wiphy_priv(wiphy);
688 struct ieee80211_sub_if_data *sdata = NULL;
689
690 if (netdev)
691 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
692
693 switch (ieee80211_get_channel_mode(local, NULL)) {
694 case CHAN_MODE_HOPPING:
695 return -EBUSY;
696 case CHAN_MODE_FIXED:
697 if (local->oper_channel != chan ||
698 (!sdata && local->_oper_channel_type != channel_type))
699 return -EBUSY;
700 if (!sdata && local->_oper_channel_type == channel_type)
701 return 0;
702 break;
703 case CHAN_MODE_UNDEFINED:
704 break;
705 }
706
707 if (!ieee80211_set_channel_type(local, sdata, channel_type))
708 return -EBUSY;
709
710 local->oper_channel = chan;
711
712 /* auto-detects changes */
713 ieee80211_hw_config(local, 0);
714
715 return 0;
716 }
717
718 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
719 struct ieee80211_channel *chan,
720 enum nl80211_channel_type channel_type)
721 {
722 return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
723 }
724
725 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
726 const u8 *resp, size_t resp_len)
727 {
728 struct probe_resp *new, *old;
729
730 if (!resp || !resp_len)
731 return -EINVAL;
732
733 old = rtnl_dereference(sdata->u.ap.probe_resp);
734
735 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
736 if (!new)
737 return -ENOMEM;
738
739 new->len = resp_len;
740 memcpy(new->data, resp, resp_len);
741
742 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
743 if (old)
744 kfree_rcu(old, rcu_head);
745
746 return 0;
747 }
748
749 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
750 struct cfg80211_beacon_data *params)
751 {
752 struct beacon_data *new, *old;
753 int new_head_len, new_tail_len;
754 int size, err;
755 u32 changed = BSS_CHANGED_BEACON;
756
757 old = rtnl_dereference(sdata->u.ap.beacon);
758
759 /* Need to have a beacon head if we don't have one yet */
760 if (!params->head && !old)
761 return -EINVAL;
762
763 /* new or old head? */
764 if (params->head)
765 new_head_len = params->head_len;
766 else
767 new_head_len = old->head_len;
768
769 /* new or old tail? */
770 if (params->tail || !old)
771 /* params->tail_len will be zero for !params->tail */
772 new_tail_len = params->tail_len;
773 else
774 new_tail_len = old->tail_len;
775
776 size = sizeof(*new) + new_head_len + new_tail_len;
777
778 new = kzalloc(size, GFP_KERNEL);
779 if (!new)
780 return -ENOMEM;
781
782 /* start filling the new info now */
783
784 /*
785 * pointers go into the block we allocated,
786 * memory is | beacon_data | head | tail |
787 */
788 new->head = ((u8 *) new) + sizeof(*new);
789 new->tail = new->head + new_head_len;
790 new->head_len = new_head_len;
791 new->tail_len = new_tail_len;
792
793 /* copy in head */
794 if (params->head)
795 memcpy(new->head, params->head, new_head_len);
796 else
797 memcpy(new->head, old->head, new_head_len);
798
799 /* copy in optional tail */
800 if (params->tail)
801 memcpy(new->tail, params->tail, new_tail_len);
802 else
803 if (old)
804 memcpy(new->tail, old->tail, new_tail_len);
805
806 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
807 params->probe_resp_len);
808 if (err < 0)
809 return err;
810 if (err == 0)
811 changed |= BSS_CHANGED_AP_PROBE_RESP;
812
813 rcu_assign_pointer(sdata->u.ap.beacon, new);
814
815 if (old)
816 kfree_rcu(old, rcu_head);
817
818 return changed;
819 }
820
821 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
822 struct cfg80211_ap_settings *params)
823 {
824 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
825 struct beacon_data *old;
826 struct ieee80211_sub_if_data *vlan;
827 u32 changed = BSS_CHANGED_BEACON_INT |
828 BSS_CHANGED_BEACON_ENABLED |
829 BSS_CHANGED_BEACON |
830 BSS_CHANGED_SSID;
831 int err;
832
833 old = rtnl_dereference(sdata->u.ap.beacon);
834 if (old)
835 return -EALREADY;
836
837 err = ieee80211_set_channel(wiphy, dev, params->channel,
838 params->channel_type);
839 if (err)
840 return err;
841
842 /*
843 * Apply control port protocol, this allows us to
844 * not encrypt dynamic WEP control frames.
845 */
846 sdata->control_port_protocol = params->crypto.control_port_ethertype;
847 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
848 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
849 vlan->control_port_protocol =
850 params->crypto.control_port_ethertype;
851 vlan->control_port_no_encrypt =
852 params->crypto.control_port_no_encrypt;
853 }
854
855 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
856 sdata->vif.bss_conf.dtim_period = params->dtim_period;
857
858 sdata->vif.bss_conf.ssid_len = params->ssid_len;
859 if (params->ssid_len)
860 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
861 params->ssid_len);
862 sdata->vif.bss_conf.hidden_ssid =
863 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
864
865 err = ieee80211_assign_beacon(sdata, &params->beacon);
866 if (err < 0)
867 return err;
868 changed |= err;
869
870 ieee80211_bss_info_change_notify(sdata, changed);
871
872 netif_carrier_on(dev);
873 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
874 netif_carrier_on(vlan->dev);
875
876 return 0;
877 }
878
879 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
880 struct cfg80211_beacon_data *params)
881 {
882 struct ieee80211_sub_if_data *sdata;
883 struct beacon_data *old;
884 int err;
885
886 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
887
888 old = rtnl_dereference(sdata->u.ap.beacon);
889 if (!old)
890 return -ENOENT;
891
892 err = ieee80211_assign_beacon(sdata, params);
893 if (err < 0)
894 return err;
895 ieee80211_bss_info_change_notify(sdata, err);
896 return 0;
897 }
898
899 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
900 {
901 struct ieee80211_sub_if_data *sdata, *vlan;
902 struct beacon_data *old;
903
904 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
905
906 old = rtnl_dereference(sdata->u.ap.beacon);
907 if (!old)
908 return -ENOENT;
909
910 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
911 netif_carrier_off(vlan->dev);
912 netif_carrier_off(dev);
913
914 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
915
916 kfree_rcu(old, rcu_head);
917
918 sta_info_flush(sdata->local, sdata);
919 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
920
921 return 0;
922 }
923
924 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
925 struct iapp_layer2_update {
926 u8 da[ETH_ALEN]; /* broadcast */
927 u8 sa[ETH_ALEN]; /* STA addr */
928 __be16 len; /* 6 */
929 u8 dsap; /* 0 */
930 u8 ssap; /* 0 */
931 u8 control;
932 u8 xid_info[3];
933 } __packed;
934
935 static void ieee80211_send_layer2_update(struct sta_info *sta)
936 {
937 struct iapp_layer2_update *msg;
938 struct sk_buff *skb;
939
940 /* Send Level 2 Update Frame to update forwarding tables in layer 2
941 * bridge devices */
942
943 skb = dev_alloc_skb(sizeof(*msg));
944 if (!skb)
945 return;
946 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
947
948 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
949 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
950
951 eth_broadcast_addr(msg->da);
952 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
953 msg->len = htons(6);
954 msg->dsap = 0;
955 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
956 msg->control = 0xaf; /* XID response lsb.1111F101.
957 * F=0 (no poll command; unsolicited frame) */
958 msg->xid_info[0] = 0x81; /* XID format identifier */
959 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
960 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
961
962 skb->dev = sta->sdata->dev;
963 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
964 memset(skb->cb, 0, sizeof(skb->cb));
965 netif_rx_ni(skb);
966 }
967
968 static int sta_apply_parameters(struct ieee80211_local *local,
969 struct sta_info *sta,
970 struct station_parameters *params)
971 {
972 int ret = 0;
973 u32 rates;
974 int i, j;
975 struct ieee80211_supported_band *sband;
976 struct ieee80211_sub_if_data *sdata = sta->sdata;
977 u32 mask, set;
978
979 sband = local->hw.wiphy->bands[local->oper_channel->band];
980
981 mask = params->sta_flags_mask;
982 set = params->sta_flags_set;
983
984 /*
985 * In mesh mode, we can clear AUTHENTICATED flag but must
986 * also make ASSOCIATED follow appropriately for the driver
987 * API. See also below, after AUTHORIZED changes.
988 */
989 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
990 /* cfg80211 should not allow this in non-mesh modes */
991 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
992 return -EINVAL;
993
994 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
995 !test_sta_flag(sta, WLAN_STA_AUTH)) {
996 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
997 if (ret)
998 return ret;
999 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1000 if (ret)
1001 return ret;
1002 }
1003 }
1004
1005 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1006 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1007 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1008 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1009 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1010 if (ret)
1011 return ret;
1012 }
1013
1014 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1015 /* cfg80211 should not allow this in non-mesh modes */
1016 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1017 return -EINVAL;
1018
1019 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1020 test_sta_flag(sta, WLAN_STA_AUTH)) {
1021 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1022 if (ret)
1023 return ret;
1024 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1025 if (ret)
1026 return ret;
1027 }
1028 }
1029
1030
1031 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1032 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1033 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1034 else
1035 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1036 }
1037
1038 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1039 if (set & BIT(NL80211_STA_FLAG_WME)) {
1040 set_sta_flag(sta, WLAN_STA_WME);
1041 sta->sta.wme = true;
1042 } else {
1043 clear_sta_flag(sta, WLAN_STA_WME);
1044 sta->sta.wme = false;
1045 }
1046 }
1047
1048 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1049 if (set & BIT(NL80211_STA_FLAG_MFP))
1050 set_sta_flag(sta, WLAN_STA_MFP);
1051 else
1052 clear_sta_flag(sta, WLAN_STA_MFP);
1053 }
1054
1055 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1056 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1057 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1058 else
1059 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1060 }
1061
1062 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1063 sta->sta.uapsd_queues = params->uapsd_queues;
1064 sta->sta.max_sp = params->max_sp;
1065 }
1066
1067 /*
1068 * cfg80211 validates this (1-2007) and allows setting the AID
1069 * only when creating a new station entry
1070 */
1071 if (params->aid)
1072 sta->sta.aid = params->aid;
1073
1074 /*
1075 * FIXME: updating the following information is racy when this
1076 * function is called from ieee80211_change_station().
1077 * However, all this information should be static so
1078 * maybe we should just reject attemps to change it.
1079 */
1080
1081 if (params->listen_interval >= 0)
1082 sta->listen_interval = params->listen_interval;
1083
1084 if (params->supported_rates) {
1085 rates = 0;
1086
1087 for (i = 0; i < params->supported_rates_len; i++) {
1088 int rate = (params->supported_rates[i] & 0x7f) * 5;
1089 for (j = 0; j < sband->n_bitrates; j++) {
1090 if (sband->bitrates[j].bitrate == rate)
1091 rates |= BIT(j);
1092 }
1093 }
1094 sta->sta.supp_rates[local->oper_channel->band] = rates;
1095 }
1096
1097 if (params->ht_capa)
1098 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1099 params->ht_capa,
1100 &sta->sta.ht_cap);
1101
1102 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1103 #ifdef CONFIG_MAC80211_MESH
1104 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1105 switch (params->plink_state) {
1106 case NL80211_PLINK_LISTEN:
1107 case NL80211_PLINK_ESTAB:
1108 case NL80211_PLINK_BLOCKED:
1109 sta->plink_state = params->plink_state;
1110 break;
1111 default:
1112 /* nothing */
1113 break;
1114 }
1115 else
1116 switch (params->plink_action) {
1117 case PLINK_ACTION_OPEN:
1118 mesh_plink_open(sta);
1119 break;
1120 case PLINK_ACTION_BLOCK:
1121 mesh_plink_block(sta);
1122 break;
1123 }
1124 #endif
1125 }
1126
1127 return 0;
1128 }
1129
1130 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1131 u8 *mac, struct station_parameters *params)
1132 {
1133 struct ieee80211_local *local = wiphy_priv(wiphy);
1134 struct sta_info *sta;
1135 struct ieee80211_sub_if_data *sdata;
1136 int err;
1137 int layer2_update;
1138
1139 if (params->vlan) {
1140 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1141
1142 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1143 sdata->vif.type != NL80211_IFTYPE_AP)
1144 return -EINVAL;
1145 } else
1146 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1147
1148 if (ether_addr_equal(mac, sdata->vif.addr))
1149 return -EINVAL;
1150
1151 if (is_multicast_ether_addr(mac))
1152 return -EINVAL;
1153
1154 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1155 if (!sta)
1156 return -ENOMEM;
1157
1158 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1159 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1160
1161 err = sta_apply_parameters(local, sta, params);
1162 if (err) {
1163 sta_info_free(local, sta);
1164 return err;
1165 }
1166
1167 /*
1168 * for TDLS, rate control should be initialized only when supported
1169 * rates are known.
1170 */
1171 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1172 rate_control_rate_init(sta);
1173
1174 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1175 sdata->vif.type == NL80211_IFTYPE_AP;
1176
1177 err = sta_info_insert_rcu(sta);
1178 if (err) {
1179 rcu_read_unlock();
1180 return err;
1181 }
1182
1183 if (layer2_update)
1184 ieee80211_send_layer2_update(sta);
1185
1186 rcu_read_unlock();
1187
1188 return 0;
1189 }
1190
1191 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1192 u8 *mac)
1193 {
1194 struct ieee80211_local *local = wiphy_priv(wiphy);
1195 struct ieee80211_sub_if_data *sdata;
1196
1197 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1198
1199 if (mac)
1200 return sta_info_destroy_addr_bss(sdata, mac);
1201
1202 sta_info_flush(local, sdata);
1203 return 0;
1204 }
1205
1206 static int ieee80211_change_station(struct wiphy *wiphy,
1207 struct net_device *dev,
1208 u8 *mac,
1209 struct station_parameters *params)
1210 {
1211 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1212 struct ieee80211_local *local = wiphy_priv(wiphy);
1213 struct sta_info *sta;
1214 struct ieee80211_sub_if_data *vlansdata;
1215 int err;
1216
1217 mutex_lock(&local->sta_mtx);
1218
1219 sta = sta_info_get_bss(sdata, mac);
1220 if (!sta) {
1221 mutex_unlock(&local->sta_mtx);
1222 return -ENOENT;
1223 }
1224
1225 /* in station mode, supported rates are only valid with TDLS */
1226 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1227 params->supported_rates &&
1228 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1229 mutex_unlock(&local->sta_mtx);
1230 return -EINVAL;
1231 }
1232
1233 if (params->vlan && params->vlan != sta->sdata->dev) {
1234 bool prev_4addr = false;
1235 bool new_4addr = false;
1236
1237 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1238
1239 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1240 vlansdata->vif.type != NL80211_IFTYPE_AP) {
1241 mutex_unlock(&local->sta_mtx);
1242 return -EINVAL;
1243 }
1244
1245 if (params->vlan->ieee80211_ptr->use_4addr) {
1246 if (vlansdata->u.vlan.sta) {
1247 mutex_unlock(&local->sta_mtx);
1248 return -EBUSY;
1249 }
1250
1251 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1252 new_4addr = true;
1253 }
1254
1255 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1256 sta->sdata->u.vlan.sta) {
1257 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1258 prev_4addr = true;
1259 }
1260
1261 sta->sdata = vlansdata;
1262
1263 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1264 prev_4addr != new_4addr) {
1265 if (new_4addr)
1266 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1267 else
1268 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1269 }
1270
1271 ieee80211_send_layer2_update(sta);
1272 }
1273
1274 err = sta_apply_parameters(local, sta, params);
1275 if (err) {
1276 mutex_unlock(&local->sta_mtx);
1277 return err;
1278 }
1279
1280 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1281 rate_control_rate_init(sta);
1282
1283 mutex_unlock(&local->sta_mtx);
1284
1285 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1286 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1287 ieee80211_recalc_ps(local, -1);
1288 ieee80211_recalc_ps_vif(sdata);
1289 }
1290 return 0;
1291 }
1292
1293 #ifdef CONFIG_MAC80211_MESH
1294 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1295 u8 *dst, u8 *next_hop)
1296 {
1297 struct ieee80211_sub_if_data *sdata;
1298 struct mesh_path *mpath;
1299 struct sta_info *sta;
1300 int err;
1301
1302 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1303
1304 rcu_read_lock();
1305 sta = sta_info_get(sdata, next_hop);
1306 if (!sta) {
1307 rcu_read_unlock();
1308 return -ENOENT;
1309 }
1310
1311 err = mesh_path_add(dst, sdata);
1312 if (err) {
1313 rcu_read_unlock();
1314 return err;
1315 }
1316
1317 mpath = mesh_path_lookup(dst, sdata);
1318 if (!mpath) {
1319 rcu_read_unlock();
1320 return -ENXIO;
1321 }
1322 mesh_path_fix_nexthop(mpath, sta);
1323
1324 rcu_read_unlock();
1325 return 0;
1326 }
1327
1328 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1329 u8 *dst)
1330 {
1331 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1332
1333 if (dst)
1334 return mesh_path_del(dst, sdata);
1335
1336 mesh_path_flush_by_iface(sdata);
1337 return 0;
1338 }
1339
1340 static int ieee80211_change_mpath(struct wiphy *wiphy,
1341 struct net_device *dev,
1342 u8 *dst, u8 *next_hop)
1343 {
1344 struct ieee80211_sub_if_data *sdata;
1345 struct mesh_path *mpath;
1346 struct sta_info *sta;
1347
1348 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1349
1350 rcu_read_lock();
1351
1352 sta = sta_info_get(sdata, next_hop);
1353 if (!sta) {
1354 rcu_read_unlock();
1355 return -ENOENT;
1356 }
1357
1358 mpath = mesh_path_lookup(dst, sdata);
1359 if (!mpath) {
1360 rcu_read_unlock();
1361 return -ENOENT;
1362 }
1363
1364 mesh_path_fix_nexthop(mpath, sta);
1365
1366 rcu_read_unlock();
1367 return 0;
1368 }
1369
1370 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1371 struct mpath_info *pinfo)
1372 {
1373 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1374
1375 if (next_hop_sta)
1376 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1377 else
1378 memset(next_hop, 0, ETH_ALEN);
1379
1380 pinfo->generation = mesh_paths_generation;
1381
1382 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1383 MPATH_INFO_SN |
1384 MPATH_INFO_METRIC |
1385 MPATH_INFO_EXPTIME |
1386 MPATH_INFO_DISCOVERY_TIMEOUT |
1387 MPATH_INFO_DISCOVERY_RETRIES |
1388 MPATH_INFO_FLAGS;
1389
1390 pinfo->frame_qlen = mpath->frame_queue.qlen;
1391 pinfo->sn = mpath->sn;
1392 pinfo->metric = mpath->metric;
1393 if (time_before(jiffies, mpath->exp_time))
1394 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1395 pinfo->discovery_timeout =
1396 jiffies_to_msecs(mpath->discovery_timeout);
1397 pinfo->discovery_retries = mpath->discovery_retries;
1398 pinfo->flags = 0;
1399 if (mpath->flags & MESH_PATH_ACTIVE)
1400 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1401 if (mpath->flags & MESH_PATH_RESOLVING)
1402 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1403 if (mpath->flags & MESH_PATH_SN_VALID)
1404 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1405 if (mpath->flags & MESH_PATH_FIXED)
1406 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1407 if (mpath->flags & MESH_PATH_RESOLVING)
1408 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1409
1410 pinfo->flags = mpath->flags;
1411 }
1412
1413 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1414 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1415
1416 {
1417 struct ieee80211_sub_if_data *sdata;
1418 struct mesh_path *mpath;
1419
1420 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1421
1422 rcu_read_lock();
1423 mpath = mesh_path_lookup(dst, sdata);
1424 if (!mpath) {
1425 rcu_read_unlock();
1426 return -ENOENT;
1427 }
1428 memcpy(dst, mpath->dst, ETH_ALEN);
1429 mpath_set_pinfo(mpath, next_hop, pinfo);
1430 rcu_read_unlock();
1431 return 0;
1432 }
1433
1434 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1435 int idx, u8 *dst, u8 *next_hop,
1436 struct mpath_info *pinfo)
1437 {
1438 struct ieee80211_sub_if_data *sdata;
1439 struct mesh_path *mpath;
1440
1441 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1442
1443 rcu_read_lock();
1444 mpath = mesh_path_lookup_by_idx(idx, sdata);
1445 if (!mpath) {
1446 rcu_read_unlock();
1447 return -ENOENT;
1448 }
1449 memcpy(dst, mpath->dst, ETH_ALEN);
1450 mpath_set_pinfo(mpath, next_hop, pinfo);
1451 rcu_read_unlock();
1452 return 0;
1453 }
1454
1455 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1456 struct net_device *dev,
1457 struct mesh_config *conf)
1458 {
1459 struct ieee80211_sub_if_data *sdata;
1460 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1461
1462 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1463 return 0;
1464 }
1465
1466 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1467 {
1468 return (mask >> (parm-1)) & 0x1;
1469 }
1470
1471 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1472 const struct mesh_setup *setup)
1473 {
1474 u8 *new_ie;
1475 const u8 *old_ie;
1476 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1477 struct ieee80211_sub_if_data, u.mesh);
1478
1479 /* allocate information elements */
1480 new_ie = NULL;
1481 old_ie = ifmsh->ie;
1482
1483 if (setup->ie_len) {
1484 new_ie = kmemdup(setup->ie, setup->ie_len,
1485 GFP_KERNEL);
1486 if (!new_ie)
1487 return -ENOMEM;
1488 }
1489 ifmsh->ie_len = setup->ie_len;
1490 ifmsh->ie = new_ie;
1491 kfree(old_ie);
1492
1493 /* now copy the rest of the setup parameters */
1494 ifmsh->mesh_id_len = setup->mesh_id_len;
1495 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1496 ifmsh->mesh_sp_id = setup->sync_method;
1497 ifmsh->mesh_pp_id = setup->path_sel_proto;
1498 ifmsh->mesh_pm_id = setup->path_metric;
1499 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1500 if (setup->is_authenticated)
1501 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1502 if (setup->is_secure)
1503 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1504
1505 /* mcast rate setting in Mesh Node */
1506 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1507 sizeof(setup->mcast_rate));
1508
1509 return 0;
1510 }
1511
1512 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1513 struct net_device *dev, u32 mask,
1514 const struct mesh_config *nconf)
1515 {
1516 struct mesh_config *conf;
1517 struct ieee80211_sub_if_data *sdata;
1518 struct ieee80211_if_mesh *ifmsh;
1519
1520 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1521 ifmsh = &sdata->u.mesh;
1522
1523 /* Set the config options which we are interested in setting */
1524 conf = &(sdata->u.mesh.mshcfg);
1525 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1526 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1527 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1528 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1529 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1530 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1531 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1532 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1533 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1534 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1535 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1536 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1537 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1538 conf->element_ttl = nconf->element_ttl;
1539 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1540 conf->auto_open_plinks = nconf->auto_open_plinks;
1541 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1542 conf->dot11MeshNbrOffsetMaxNeighbor =
1543 nconf->dot11MeshNbrOffsetMaxNeighbor;
1544 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1545 conf->dot11MeshHWMPmaxPREQretries =
1546 nconf->dot11MeshHWMPmaxPREQretries;
1547 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1548 conf->path_refresh_time = nconf->path_refresh_time;
1549 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1550 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1551 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1552 conf->dot11MeshHWMPactivePathTimeout =
1553 nconf->dot11MeshHWMPactivePathTimeout;
1554 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1555 conf->dot11MeshHWMPpreqMinInterval =
1556 nconf->dot11MeshHWMPpreqMinInterval;
1557 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1558 conf->dot11MeshHWMPperrMinInterval =
1559 nconf->dot11MeshHWMPperrMinInterval;
1560 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1561 mask))
1562 conf->dot11MeshHWMPnetDiameterTraversalTime =
1563 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1564 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1565 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1566 ieee80211_mesh_root_setup(ifmsh);
1567 }
1568 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1569 /* our current gate announcement implementation rides on root
1570 * announcements, so require this ifmsh to also be a root node
1571 * */
1572 if (nconf->dot11MeshGateAnnouncementProtocol &&
1573 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1574 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1575 ieee80211_mesh_root_setup(ifmsh);
1576 }
1577 conf->dot11MeshGateAnnouncementProtocol =
1578 nconf->dot11MeshGateAnnouncementProtocol;
1579 }
1580 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1581 conf->dot11MeshHWMPRannInterval =
1582 nconf->dot11MeshHWMPRannInterval;
1583 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1584 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1585 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1586 /* our RSSI threshold implementation is supported only for
1587 * devices that report signal in dBm.
1588 */
1589 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1590 return -ENOTSUPP;
1591 conf->rssi_threshold = nconf->rssi_threshold;
1592 }
1593 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1594 conf->ht_opmode = nconf->ht_opmode;
1595 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1596 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1597 }
1598 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1599 conf->dot11MeshHWMPactivePathToRootTimeout =
1600 nconf->dot11MeshHWMPactivePathToRootTimeout;
1601 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1602 conf->dot11MeshHWMProotInterval =
1603 nconf->dot11MeshHWMProotInterval;
1604 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1605 conf->dot11MeshHWMPconfirmationInterval =
1606 nconf->dot11MeshHWMPconfirmationInterval;
1607 return 0;
1608 }
1609
1610 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1611 const struct mesh_config *conf,
1612 const struct mesh_setup *setup)
1613 {
1614 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1616 int err;
1617
1618 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1619 err = copy_mesh_setup(ifmsh, setup);
1620 if (err)
1621 return err;
1622
1623 err = ieee80211_set_channel(wiphy, dev, setup->channel,
1624 setup->channel_type);
1625 if (err)
1626 return err;
1627
1628 ieee80211_start_mesh(sdata);
1629
1630 return 0;
1631 }
1632
1633 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1634 {
1635 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636
1637 ieee80211_stop_mesh(sdata);
1638
1639 return 0;
1640 }
1641 #endif
1642
1643 static int ieee80211_change_bss(struct wiphy *wiphy,
1644 struct net_device *dev,
1645 struct bss_parameters *params)
1646 {
1647 struct ieee80211_sub_if_data *sdata;
1648 u32 changed = 0;
1649
1650 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1651
1652 if (params->use_cts_prot >= 0) {
1653 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1654 changed |= BSS_CHANGED_ERP_CTS_PROT;
1655 }
1656 if (params->use_short_preamble >= 0) {
1657 sdata->vif.bss_conf.use_short_preamble =
1658 params->use_short_preamble;
1659 changed |= BSS_CHANGED_ERP_PREAMBLE;
1660 }
1661
1662 if (!sdata->vif.bss_conf.use_short_slot &&
1663 sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
1664 sdata->vif.bss_conf.use_short_slot = true;
1665 changed |= BSS_CHANGED_ERP_SLOT;
1666 }
1667
1668 if (params->use_short_slot_time >= 0) {
1669 sdata->vif.bss_conf.use_short_slot =
1670 params->use_short_slot_time;
1671 changed |= BSS_CHANGED_ERP_SLOT;
1672 }
1673
1674 if (params->basic_rates) {
1675 int i, j;
1676 u32 rates = 0;
1677 struct ieee80211_local *local = wiphy_priv(wiphy);
1678 struct ieee80211_supported_band *sband =
1679 wiphy->bands[local->oper_channel->band];
1680
1681 for (i = 0; i < params->basic_rates_len; i++) {
1682 int rate = (params->basic_rates[i] & 0x7f) * 5;
1683 for (j = 0; j < sband->n_bitrates; j++) {
1684 if (sband->bitrates[j].bitrate == rate)
1685 rates |= BIT(j);
1686 }
1687 }
1688 sdata->vif.bss_conf.basic_rates = rates;
1689 changed |= BSS_CHANGED_BASIC_RATES;
1690 }
1691
1692 if (params->ap_isolate >= 0) {
1693 if (params->ap_isolate)
1694 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1695 else
1696 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1697 }
1698
1699 if (params->ht_opmode >= 0) {
1700 sdata->vif.bss_conf.ht_operation_mode =
1701 (u16) params->ht_opmode;
1702 changed |= BSS_CHANGED_HT;
1703 }
1704
1705 ieee80211_bss_info_change_notify(sdata, changed);
1706
1707 return 0;
1708 }
1709
1710 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1711 struct net_device *dev,
1712 struct ieee80211_txq_params *params)
1713 {
1714 struct ieee80211_local *local = wiphy_priv(wiphy);
1715 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1716 struct ieee80211_tx_queue_params p;
1717
1718 if (!local->ops->conf_tx)
1719 return -EOPNOTSUPP;
1720
1721 if (local->hw.queues < IEEE80211_NUM_ACS)
1722 return -EOPNOTSUPP;
1723
1724 memset(&p, 0, sizeof(p));
1725 p.aifs = params->aifs;
1726 p.cw_max = params->cwmax;
1727 p.cw_min = params->cwmin;
1728 p.txop = params->txop;
1729
1730 /*
1731 * Setting tx queue params disables u-apsd because it's only
1732 * called in master mode.
1733 */
1734 p.uapsd = false;
1735
1736 sdata->tx_conf[params->ac] = p;
1737 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1738 wiphy_debug(local->hw.wiphy,
1739 "failed to set TX queue parameters for AC %d\n",
1740 params->ac);
1741 return -EINVAL;
1742 }
1743
1744 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1745
1746 return 0;
1747 }
1748
1749 #ifdef CONFIG_PM
1750 static int ieee80211_suspend(struct wiphy *wiphy,
1751 struct cfg80211_wowlan *wowlan)
1752 {
1753 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1754 }
1755
1756 static int ieee80211_resume(struct wiphy *wiphy)
1757 {
1758 return __ieee80211_resume(wiphy_priv(wiphy));
1759 }
1760 #else
1761 #define ieee80211_suspend NULL
1762 #define ieee80211_resume NULL
1763 #endif
1764
1765 static int ieee80211_scan(struct wiphy *wiphy,
1766 struct cfg80211_scan_request *req)
1767 {
1768 struct ieee80211_sub_if_data *sdata;
1769
1770 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1771
1772 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1773 case NL80211_IFTYPE_STATION:
1774 case NL80211_IFTYPE_ADHOC:
1775 case NL80211_IFTYPE_MESH_POINT:
1776 case NL80211_IFTYPE_P2P_CLIENT:
1777 break;
1778 case NL80211_IFTYPE_P2P_GO:
1779 if (sdata->local->ops->hw_scan)
1780 break;
1781 /*
1782 * FIXME: implement NoA while scanning in software,
1783 * for now fall through to allow scanning only when
1784 * beaconing hasn't been configured yet
1785 */
1786 case NL80211_IFTYPE_AP:
1787 if (sdata->u.ap.beacon)
1788 return -EOPNOTSUPP;
1789 break;
1790 default:
1791 return -EOPNOTSUPP;
1792 }
1793
1794 return ieee80211_request_scan(sdata, req);
1795 }
1796
1797 static int
1798 ieee80211_sched_scan_start(struct wiphy *wiphy,
1799 struct net_device *dev,
1800 struct cfg80211_sched_scan_request *req)
1801 {
1802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1803
1804 if (!sdata->local->ops->sched_scan_start)
1805 return -EOPNOTSUPP;
1806
1807 return ieee80211_request_sched_scan_start(sdata, req);
1808 }
1809
1810 static int
1811 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1812 {
1813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1814
1815 if (!sdata->local->ops->sched_scan_stop)
1816 return -EOPNOTSUPP;
1817
1818 return ieee80211_request_sched_scan_stop(sdata);
1819 }
1820
1821 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1822 struct cfg80211_auth_request *req)
1823 {
1824 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1825 }
1826
1827 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1828 struct cfg80211_assoc_request *req)
1829 {
1830 struct ieee80211_local *local = wiphy_priv(wiphy);
1831 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1832
1833 switch (ieee80211_get_channel_mode(local, sdata)) {
1834 case CHAN_MODE_HOPPING:
1835 return -EBUSY;
1836 case CHAN_MODE_FIXED:
1837 if (local->oper_channel == req->bss->channel)
1838 break;
1839 return -EBUSY;
1840 case CHAN_MODE_UNDEFINED:
1841 break;
1842 }
1843
1844 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1845 }
1846
1847 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1848 struct cfg80211_deauth_request *req)
1849 {
1850 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1851 }
1852
1853 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1854 struct cfg80211_disassoc_request *req)
1855 {
1856 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1857 }
1858
1859 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1860 struct cfg80211_ibss_params *params)
1861 {
1862 struct ieee80211_local *local = wiphy_priv(wiphy);
1863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1864
1865 switch (ieee80211_get_channel_mode(local, sdata)) {
1866 case CHAN_MODE_HOPPING:
1867 return -EBUSY;
1868 case CHAN_MODE_FIXED:
1869 if (!params->channel_fixed)
1870 return -EBUSY;
1871 if (local->oper_channel == params->channel)
1872 break;
1873 return -EBUSY;
1874 case CHAN_MODE_UNDEFINED:
1875 break;
1876 }
1877
1878 return ieee80211_ibss_join(sdata, params);
1879 }
1880
1881 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1882 {
1883 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1884
1885 return ieee80211_ibss_leave(sdata);
1886 }
1887
1888 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1889 {
1890 struct ieee80211_local *local = wiphy_priv(wiphy);
1891 int err;
1892
1893 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1894 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1895
1896 if (err)
1897 return err;
1898 }
1899
1900 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1901 err = drv_set_coverage_class(local, wiphy->coverage_class);
1902
1903 if (err)
1904 return err;
1905 }
1906
1907 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1908 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1909
1910 if (err)
1911 return err;
1912 }
1913
1914 if (changed & WIPHY_PARAM_RETRY_SHORT)
1915 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1916 if (changed & WIPHY_PARAM_RETRY_LONG)
1917 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1918 if (changed &
1919 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1920 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1921
1922 return 0;
1923 }
1924
1925 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1926 enum nl80211_tx_power_setting type, int mbm)
1927 {
1928 struct ieee80211_local *local = wiphy_priv(wiphy);
1929 struct ieee80211_channel *chan = local->oper_channel;
1930 u32 changes = 0;
1931
1932 switch (type) {
1933 case NL80211_TX_POWER_AUTOMATIC:
1934 local->user_power_level = -1;
1935 break;
1936 case NL80211_TX_POWER_LIMITED:
1937 if (mbm < 0 || (mbm % 100))
1938 return -EOPNOTSUPP;
1939 local->user_power_level = MBM_TO_DBM(mbm);
1940 break;
1941 case NL80211_TX_POWER_FIXED:
1942 if (mbm < 0 || (mbm % 100))
1943 return -EOPNOTSUPP;
1944 /* TODO: move to cfg80211 when it knows the channel */
1945 if (MBM_TO_DBM(mbm) > chan->max_power)
1946 return -EINVAL;
1947 local->user_power_level = MBM_TO_DBM(mbm);
1948 break;
1949 }
1950
1951 ieee80211_hw_config(local, changes);
1952
1953 return 0;
1954 }
1955
1956 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1957 {
1958 struct ieee80211_local *local = wiphy_priv(wiphy);
1959
1960 *dbm = local->hw.conf.power_level;
1961
1962 return 0;
1963 }
1964
1965 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1966 const u8 *addr)
1967 {
1968 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1969
1970 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1971
1972 return 0;
1973 }
1974
1975 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1976 {
1977 struct ieee80211_local *local = wiphy_priv(wiphy);
1978
1979 drv_rfkill_poll(local);
1980 }
1981
1982 #ifdef CONFIG_NL80211_TESTMODE
1983 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1984 {
1985 struct ieee80211_local *local = wiphy_priv(wiphy);
1986
1987 if (!local->ops->testmode_cmd)
1988 return -EOPNOTSUPP;
1989
1990 return local->ops->testmode_cmd(&local->hw, data, len);
1991 }
1992
1993 static int ieee80211_testmode_dump(struct wiphy *wiphy,
1994 struct sk_buff *skb,
1995 struct netlink_callback *cb,
1996 void *data, int len)
1997 {
1998 struct ieee80211_local *local = wiphy_priv(wiphy);
1999
2000 if (!local->ops->testmode_dump)
2001 return -EOPNOTSUPP;
2002
2003 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2004 }
2005 #endif
2006
2007 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2008 enum ieee80211_smps_mode smps_mode)
2009 {
2010 const u8 *ap;
2011 enum ieee80211_smps_mode old_req;
2012 int err;
2013
2014 lockdep_assert_held(&sdata->u.mgd.mtx);
2015
2016 old_req = sdata->u.mgd.req_smps;
2017 sdata->u.mgd.req_smps = smps_mode;
2018
2019 if (old_req == smps_mode &&
2020 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2021 return 0;
2022
2023 /*
2024 * If not associated, or current association is not an HT
2025 * association, there's no need to send an action frame.
2026 */
2027 if (!sdata->u.mgd.associated ||
2028 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
2029 mutex_lock(&sdata->local->iflist_mtx);
2030 ieee80211_recalc_smps(sdata->local);
2031 mutex_unlock(&sdata->local->iflist_mtx);
2032 return 0;
2033 }
2034
2035 ap = sdata->u.mgd.associated->bssid;
2036
2037 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2038 if (sdata->u.mgd.powersave)
2039 smps_mode = IEEE80211_SMPS_DYNAMIC;
2040 else
2041 smps_mode = IEEE80211_SMPS_OFF;
2042 }
2043
2044 /* send SM PS frame to AP */
2045 err = ieee80211_send_smps_action(sdata, smps_mode,
2046 ap, ap);
2047 if (err)
2048 sdata->u.mgd.req_smps = old_req;
2049
2050 return err;
2051 }
2052
2053 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2054 bool enabled, int timeout)
2055 {
2056 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2057 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2058
2059 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2060 return -EOPNOTSUPP;
2061
2062 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2063 return -EOPNOTSUPP;
2064
2065 if (enabled == sdata->u.mgd.powersave &&
2066 timeout == local->dynamic_ps_forced_timeout)
2067 return 0;
2068
2069 sdata->u.mgd.powersave = enabled;
2070 local->dynamic_ps_forced_timeout = timeout;
2071
2072 /* no change, but if automatic follow powersave */
2073 mutex_lock(&sdata->u.mgd.mtx);
2074 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2075 mutex_unlock(&sdata->u.mgd.mtx);
2076
2077 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2078 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2079
2080 ieee80211_recalc_ps(local, -1);
2081 ieee80211_recalc_ps_vif(sdata);
2082
2083 return 0;
2084 }
2085
2086 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2087 struct net_device *dev,
2088 s32 rssi_thold, u32 rssi_hyst)
2089 {
2090 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2091 struct ieee80211_vif *vif = &sdata->vif;
2092 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2093
2094 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2095 rssi_hyst == bss_conf->cqm_rssi_hyst)
2096 return 0;
2097
2098 bss_conf->cqm_rssi_thold = rssi_thold;
2099 bss_conf->cqm_rssi_hyst = rssi_hyst;
2100
2101 /* tell the driver upon association, unless already associated */
2102 if (sdata->u.mgd.associated &&
2103 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2104 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2105
2106 return 0;
2107 }
2108
2109 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2110 struct net_device *dev,
2111 const u8 *addr,
2112 const struct cfg80211_bitrate_mask *mask)
2113 {
2114 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2115 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2116 int i, ret;
2117
2118 if (!ieee80211_sdata_running(sdata))
2119 return -ENETDOWN;
2120
2121 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2122 ret = drv_set_bitrate_mask(local, sdata, mask);
2123 if (ret)
2124 return ret;
2125 }
2126
2127 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2128 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2129 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2130 sizeof(mask->control[i].mcs));
2131 }
2132
2133 return 0;
2134 }
2135
2136 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2137 struct ieee80211_sub_if_data *sdata,
2138 struct ieee80211_channel *channel,
2139 enum nl80211_channel_type channel_type,
2140 unsigned int duration, u64 *cookie,
2141 struct sk_buff *txskb)
2142 {
2143 struct ieee80211_roc_work *roc, *tmp;
2144 bool queued = false;
2145 int ret;
2146
2147 lockdep_assert_held(&local->mtx);
2148
2149 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2150 if (!roc)
2151 return -ENOMEM;
2152
2153 roc->chan = channel;
2154 roc->chan_type = channel_type;
2155 roc->duration = duration;
2156 roc->req_duration = duration;
2157 roc->frame = txskb;
2158 roc->mgmt_tx_cookie = (unsigned long)txskb;
2159 roc->sdata = sdata;
2160 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2161 INIT_LIST_HEAD(&roc->dependents);
2162
2163 /* if there's one pending or we're scanning, queue this one */
2164 if (!list_empty(&local->roc_list) || local->scanning)
2165 goto out_check_combine;
2166
2167 /* if not HW assist, just queue & schedule work */
2168 if (!local->ops->remain_on_channel) {
2169 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2170 goto out_queue;
2171 }
2172
2173 /* otherwise actually kick it off here (for error handling) */
2174
2175 /*
2176 * If the duration is zero, then the driver
2177 * wouldn't actually do anything. Set it to
2178 * 10 for now.
2179 *
2180 * TODO: cancel the off-channel operation
2181 * when we get the SKB's TX status and
2182 * the wait time was zero before.
2183 */
2184 if (!duration)
2185 duration = 10;
2186
2187 ret = drv_remain_on_channel(local, channel, channel_type, duration);
2188 if (ret) {
2189 kfree(roc);
2190 return ret;
2191 }
2192
2193 roc->started = true;
2194 goto out_queue;
2195
2196 out_check_combine:
2197 list_for_each_entry(tmp, &local->roc_list, list) {
2198 if (tmp->chan != channel || tmp->chan_type != channel_type)
2199 continue;
2200
2201 /*
2202 * Extend this ROC if possible:
2203 *
2204 * If it hasn't started yet, just increase the duration
2205 * and add the new one to the list of dependents.
2206 */
2207 if (!tmp->started) {
2208 list_add_tail(&roc->list, &tmp->dependents);
2209 tmp->duration = max(tmp->duration, roc->duration);
2210 queued = true;
2211 break;
2212 }
2213
2214 /* If it has already started, it's more difficult ... */
2215 if (local->ops->remain_on_channel) {
2216 unsigned long j = jiffies;
2217
2218 /*
2219 * In the offloaded ROC case, if it hasn't begun, add
2220 * this new one to the dependent list to be handled
2221 * when the the master one begins. If it has begun,
2222 * check that there's still a minimum time left and
2223 * if so, start this one, transmitting the frame, but
2224 * add it to the list directly after this one with a
2225 * a reduced time so we'll ask the driver to execute
2226 * it right after finishing the previous one, in the
2227 * hope that it'll also be executed right afterwards,
2228 * effectively extending the old one.
2229 * If there's no minimum time left, just add it to the
2230 * normal list.
2231 */
2232 if (!tmp->hw_begun) {
2233 list_add_tail(&roc->list, &tmp->dependents);
2234 queued = true;
2235 break;
2236 }
2237
2238 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2239 tmp->hw_start_time +
2240 msecs_to_jiffies(tmp->duration))) {
2241 int new_dur;
2242
2243 ieee80211_handle_roc_started(roc);
2244
2245 new_dur = roc->duration -
2246 jiffies_to_msecs(tmp->hw_start_time +
2247 msecs_to_jiffies(
2248 tmp->duration) -
2249 j);
2250
2251 if (new_dur > 0) {
2252 /* add right after tmp */
2253 list_add(&roc->list, &tmp->list);
2254 } else {
2255 list_add_tail(&roc->list,
2256 &tmp->dependents);
2257 }
2258 queued = true;
2259 }
2260 } else if (del_timer_sync(&tmp->work.timer)) {
2261 unsigned long new_end;
2262
2263 /*
2264 * In the software ROC case, cancel the timer, if
2265 * that fails then the finish work is already
2266 * queued/pending and thus we queue the new ROC
2267 * normally, if that succeeds then we can extend
2268 * the timer duration and TX the frame (if any.)
2269 */
2270
2271 list_add_tail(&roc->list, &tmp->dependents);
2272 queued = true;
2273
2274 new_end = jiffies + msecs_to_jiffies(roc->duration);
2275
2276 /* ok, it was started & we canceled timer */
2277 if (time_after(new_end, tmp->work.timer.expires))
2278 mod_timer(&tmp->work.timer, new_end);
2279 else
2280 add_timer(&tmp->work.timer);
2281
2282 ieee80211_handle_roc_started(roc);
2283 }
2284 break;
2285 }
2286
2287 out_queue:
2288 if (!queued)
2289 list_add_tail(&roc->list, &local->roc_list);
2290
2291 /*
2292 * cookie is either the roc (for normal roc)
2293 * or the SKB (for mgmt TX)
2294 */
2295 if (txskb)
2296 *cookie = (unsigned long)txskb;
2297 else
2298 *cookie = (unsigned long)roc;
2299
2300 return 0;
2301 }
2302
2303 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2304 struct wireless_dev *wdev,
2305 struct ieee80211_channel *chan,
2306 enum nl80211_channel_type channel_type,
2307 unsigned int duration,
2308 u64 *cookie)
2309 {
2310 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2311 struct ieee80211_local *local = sdata->local;
2312 int ret;
2313
2314 mutex_lock(&local->mtx);
2315 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2316 duration, cookie, NULL);
2317 mutex_unlock(&local->mtx);
2318
2319 return ret;
2320 }
2321
2322 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2323 u64 cookie, bool mgmt_tx)
2324 {
2325 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2326 int ret;
2327
2328 mutex_lock(&local->mtx);
2329 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2330 struct ieee80211_roc_work *dep, *tmp2;
2331
2332 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2333 if (!mgmt_tx && (unsigned long)dep != cookie)
2334 continue;
2335 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2336 continue;
2337 /* found dependent item -- just remove it */
2338 list_del(&dep->list);
2339 mutex_unlock(&local->mtx);
2340
2341 ieee80211_roc_notify_destroy(dep);
2342 return 0;
2343 }
2344
2345 if (!mgmt_tx && (unsigned long)roc != cookie)
2346 continue;
2347 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2348 continue;
2349
2350 found = roc;
2351 break;
2352 }
2353
2354 if (!found) {
2355 mutex_unlock(&local->mtx);
2356 return -ENOENT;
2357 }
2358
2359 /*
2360 * We found the item to cancel, so do that. Note that it
2361 * may have dependents, which we also cancel (and send
2362 * the expired signal for.) Not doing so would be quite
2363 * tricky here, but we may need to fix it later.
2364 */
2365
2366 if (local->ops->remain_on_channel) {
2367 if (found->started) {
2368 ret = drv_cancel_remain_on_channel(local);
2369 if (WARN_ON_ONCE(ret)) {
2370 mutex_unlock(&local->mtx);
2371 return ret;
2372 }
2373 }
2374
2375 list_del(&found->list);
2376
2377 if (found->started)
2378 ieee80211_start_next_roc(local);
2379 mutex_unlock(&local->mtx);
2380
2381 ieee80211_roc_notify_destroy(found);
2382 } else {
2383 /* work may be pending so use it all the time */
2384 found->abort = true;
2385 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2386
2387 mutex_unlock(&local->mtx);
2388
2389 /* work will clean up etc */
2390 flush_delayed_work(&found->work);
2391 }
2392
2393 return 0;
2394 }
2395
2396 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2397 struct wireless_dev *wdev,
2398 u64 cookie)
2399 {
2400 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2401 struct ieee80211_local *local = sdata->local;
2402
2403 return ieee80211_cancel_roc(local, cookie, false);
2404 }
2405
2406 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2407 struct ieee80211_channel *chan, bool offchan,
2408 enum nl80211_channel_type channel_type,
2409 bool channel_type_valid, unsigned int wait,
2410 const u8 *buf, size_t len, bool no_cck,
2411 bool dont_wait_for_ack, u64 *cookie)
2412 {
2413 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2414 struct ieee80211_local *local = sdata->local;
2415 struct sk_buff *skb;
2416 struct sta_info *sta;
2417 const struct ieee80211_mgmt *mgmt = (void *)buf;
2418 bool need_offchan = false;
2419 u32 flags;
2420 int ret;
2421
2422 if (dont_wait_for_ack)
2423 flags = IEEE80211_TX_CTL_NO_ACK;
2424 else
2425 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2426 IEEE80211_TX_CTL_REQ_TX_STATUS;
2427
2428 if (no_cck)
2429 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2430
2431 switch (sdata->vif.type) {
2432 case NL80211_IFTYPE_ADHOC:
2433 if (!sdata->vif.bss_conf.ibss_joined)
2434 need_offchan = true;
2435 /* fall through */
2436 #ifdef CONFIG_MAC80211_MESH
2437 case NL80211_IFTYPE_MESH_POINT:
2438 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2439 !sdata->u.mesh.mesh_id_len)
2440 need_offchan = true;
2441 /* fall through */
2442 #endif
2443 case NL80211_IFTYPE_AP:
2444 case NL80211_IFTYPE_AP_VLAN:
2445 case NL80211_IFTYPE_P2P_GO:
2446 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2447 !ieee80211_vif_is_mesh(&sdata->vif) &&
2448 !rcu_access_pointer(sdata->bss->beacon))
2449 need_offchan = true;
2450 if (!ieee80211_is_action(mgmt->frame_control) ||
2451 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2452 break;
2453 rcu_read_lock();
2454 sta = sta_info_get(sdata, mgmt->da);
2455 rcu_read_unlock();
2456 if (!sta)
2457 return -ENOLINK;
2458 break;
2459 case NL80211_IFTYPE_STATION:
2460 case NL80211_IFTYPE_P2P_CLIENT:
2461 if (!sdata->u.mgd.associated)
2462 need_offchan = true;
2463 break;
2464 default:
2465 return -EOPNOTSUPP;
2466 }
2467
2468 mutex_lock(&local->mtx);
2469
2470 /* Check if the operating channel is the requested channel */
2471 if (!need_offchan) {
2472 need_offchan = chan != local->oper_channel;
2473 if (channel_type_valid &&
2474 channel_type != local->_oper_channel_type)
2475 need_offchan = true;
2476 }
2477
2478 if (need_offchan && !offchan) {
2479 ret = -EBUSY;
2480 goto out_unlock;
2481 }
2482
2483 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2484 if (!skb) {
2485 ret = -ENOMEM;
2486 goto out_unlock;
2487 }
2488 skb_reserve(skb, local->hw.extra_tx_headroom);
2489
2490 memcpy(skb_put(skb, len), buf, len);
2491
2492 IEEE80211_SKB_CB(skb)->flags = flags;
2493
2494 skb->dev = sdata->dev;
2495
2496 if (!need_offchan) {
2497 *cookie = (unsigned long) skb;
2498 ieee80211_tx_skb(sdata, skb);
2499 ret = 0;
2500 goto out_unlock;
2501 }
2502
2503 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2504 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2505 IEEE80211_SKB_CB(skb)->hw_queue =
2506 local->hw.offchannel_tx_hw_queue;
2507
2508 /* This will handle all kinds of coalescing and immediate TX */
2509 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2510 wait, cookie, skb);
2511 if (ret)
2512 kfree_skb(skb);
2513 out_unlock:
2514 mutex_unlock(&local->mtx);
2515 return ret;
2516 }
2517
2518 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2519 struct wireless_dev *wdev,
2520 u64 cookie)
2521 {
2522 struct ieee80211_local *local = wiphy_priv(wiphy);
2523
2524 return ieee80211_cancel_roc(local, cookie, true);
2525 }
2526
2527 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2528 struct wireless_dev *wdev,
2529 u16 frame_type, bool reg)
2530 {
2531 struct ieee80211_local *local = wiphy_priv(wiphy);
2532 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2533
2534 switch (frame_type) {
2535 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2536 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2537 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2538
2539 if (reg)
2540 ifibss->auth_frame_registrations++;
2541 else
2542 ifibss->auth_frame_registrations--;
2543 }
2544 break;
2545 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2546 if (reg)
2547 local->probe_req_reg++;
2548 else
2549 local->probe_req_reg--;
2550
2551 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2552 break;
2553 default:
2554 break;
2555 }
2556 }
2557
2558 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2559 {
2560 struct ieee80211_local *local = wiphy_priv(wiphy);
2561
2562 if (local->started)
2563 return -EOPNOTSUPP;
2564
2565 return drv_set_antenna(local, tx_ant, rx_ant);
2566 }
2567
2568 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2569 {
2570 struct ieee80211_local *local = wiphy_priv(wiphy);
2571
2572 return drv_get_antenna(local, tx_ant, rx_ant);
2573 }
2574
2575 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2576 {
2577 struct ieee80211_local *local = wiphy_priv(wiphy);
2578
2579 return drv_set_ringparam(local, tx, rx);
2580 }
2581
2582 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2583 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2584 {
2585 struct ieee80211_local *local = wiphy_priv(wiphy);
2586
2587 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2588 }
2589
2590 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2591 struct net_device *dev,
2592 struct cfg80211_gtk_rekey_data *data)
2593 {
2594 struct ieee80211_local *local = wiphy_priv(wiphy);
2595 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2596
2597 if (!local->ops->set_rekey_data)
2598 return -EOPNOTSUPP;
2599
2600 drv_set_rekey_data(local, sdata, data);
2601
2602 return 0;
2603 }
2604
2605 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2606 {
2607 u8 *pos = (void *)skb_put(skb, 7);
2608
2609 *pos++ = WLAN_EID_EXT_CAPABILITY;
2610 *pos++ = 5; /* len */
2611 *pos++ = 0x0;
2612 *pos++ = 0x0;
2613 *pos++ = 0x0;
2614 *pos++ = 0x0;
2615 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2616 }
2617
2618 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2619 {
2620 struct ieee80211_local *local = sdata->local;
2621 u16 capab;
2622
2623 capab = 0;
2624 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2625 return capab;
2626
2627 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2628 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2629 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2630 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2631
2632 return capab;
2633 }
2634
2635 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2636 u8 *peer, u8 *bssid)
2637 {
2638 struct ieee80211_tdls_lnkie *lnkid;
2639
2640 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2641
2642 lnkid->ie_type = WLAN_EID_LINK_ID;
2643 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2644
2645 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2646 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2647 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2648 }
2649
2650 static int
2651 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2652 u8 *peer, u8 action_code, u8 dialog_token,
2653 u16 status_code, struct sk_buff *skb)
2654 {
2655 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2656 struct ieee80211_local *local = sdata->local;
2657 struct ieee80211_tdls_data *tf;
2658
2659 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2660
2661 memcpy(tf->da, peer, ETH_ALEN);
2662 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2663 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2664 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2665
2666 switch (action_code) {
2667 case WLAN_TDLS_SETUP_REQUEST:
2668 tf->category = WLAN_CATEGORY_TDLS;
2669 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2670
2671 skb_put(skb, sizeof(tf->u.setup_req));
2672 tf->u.setup_req.dialog_token = dialog_token;
2673 tf->u.setup_req.capability =
2674 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2675
2676 ieee80211_add_srates_ie(sdata, skb, false,
2677 local->oper_channel->band);
2678 ieee80211_add_ext_srates_ie(sdata, skb, false,
2679 local->oper_channel->band);
2680 ieee80211_tdls_add_ext_capab(skb);
2681 break;
2682 case WLAN_TDLS_SETUP_RESPONSE:
2683 tf->category = WLAN_CATEGORY_TDLS;
2684 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2685
2686 skb_put(skb, sizeof(tf->u.setup_resp));
2687 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2688 tf->u.setup_resp.dialog_token = dialog_token;
2689 tf->u.setup_resp.capability =
2690 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2691
2692 ieee80211_add_srates_ie(sdata, skb, false,
2693 local->oper_channel->band);
2694 ieee80211_add_ext_srates_ie(sdata, skb, false,
2695 local->oper_channel->band);
2696 ieee80211_tdls_add_ext_capab(skb);
2697 break;
2698 case WLAN_TDLS_SETUP_CONFIRM:
2699 tf->category = WLAN_CATEGORY_TDLS;
2700 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2701
2702 skb_put(skb, sizeof(tf->u.setup_cfm));
2703 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2704 tf->u.setup_cfm.dialog_token = dialog_token;
2705 break;
2706 case WLAN_TDLS_TEARDOWN:
2707 tf->category = WLAN_CATEGORY_TDLS;
2708 tf->action_code = WLAN_TDLS_TEARDOWN;
2709
2710 skb_put(skb, sizeof(tf->u.teardown));
2711 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2712 break;
2713 case WLAN_TDLS_DISCOVERY_REQUEST:
2714 tf->category = WLAN_CATEGORY_TDLS;
2715 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2716
2717 skb_put(skb, sizeof(tf->u.discover_req));
2718 tf->u.discover_req.dialog_token = dialog_token;
2719 break;
2720 default:
2721 return -EINVAL;
2722 }
2723
2724 return 0;
2725 }
2726
2727 static int
2728 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2729 u8 *peer, u8 action_code, u8 dialog_token,
2730 u16 status_code, struct sk_buff *skb)
2731 {
2732 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2733 struct ieee80211_local *local = sdata->local;
2734 struct ieee80211_mgmt *mgmt;
2735
2736 mgmt = (void *)skb_put(skb, 24);
2737 memset(mgmt, 0, 24);
2738 memcpy(mgmt->da, peer, ETH_ALEN);
2739 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2740 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2741
2742 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2743 IEEE80211_STYPE_ACTION);
2744
2745 switch (action_code) {
2746 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2747 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2748 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2749 mgmt->u.action.u.tdls_discover_resp.action_code =
2750 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2751 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2752 dialog_token;
2753 mgmt->u.action.u.tdls_discover_resp.capability =
2754 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2755
2756 ieee80211_add_srates_ie(sdata, skb, false,
2757 local->oper_channel->band);
2758 ieee80211_add_ext_srates_ie(sdata, skb, false,
2759 local->oper_channel->band);
2760 ieee80211_tdls_add_ext_capab(skb);
2761 break;
2762 default:
2763 return -EINVAL;
2764 }
2765
2766 return 0;
2767 }
2768
2769 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2770 u8 *peer, u8 action_code, u8 dialog_token,
2771 u16 status_code, const u8 *extra_ies,
2772 size_t extra_ies_len)
2773 {
2774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2775 struct ieee80211_local *local = sdata->local;
2776 struct ieee80211_tx_info *info;
2777 struct sk_buff *skb = NULL;
2778 bool send_direct;
2779 int ret;
2780
2781 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2782 return -ENOTSUPP;
2783
2784 /* make sure we are in managed mode, and associated */
2785 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2786 !sdata->u.mgd.associated)
2787 return -EINVAL;
2788
2789 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2790 action_code, peer);
2791
2792 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2793 max(sizeof(struct ieee80211_mgmt),
2794 sizeof(struct ieee80211_tdls_data)) +
2795 50 + /* supported rates */
2796 7 + /* ext capab */
2797 extra_ies_len +
2798 sizeof(struct ieee80211_tdls_lnkie));
2799 if (!skb)
2800 return -ENOMEM;
2801
2802 info = IEEE80211_SKB_CB(skb);
2803 skb_reserve(skb, local->hw.extra_tx_headroom);
2804
2805 switch (action_code) {
2806 case WLAN_TDLS_SETUP_REQUEST:
2807 case WLAN_TDLS_SETUP_RESPONSE:
2808 case WLAN_TDLS_SETUP_CONFIRM:
2809 case WLAN_TDLS_TEARDOWN:
2810 case WLAN_TDLS_DISCOVERY_REQUEST:
2811 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2812 action_code, dialog_token,
2813 status_code, skb);
2814 send_direct = false;
2815 break;
2816 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2817 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2818 dialog_token, status_code,
2819 skb);
2820 send_direct = true;
2821 break;
2822 default:
2823 ret = -ENOTSUPP;
2824 break;
2825 }
2826
2827 if (ret < 0)
2828 goto fail;
2829
2830 if (extra_ies_len)
2831 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2832
2833 /* the TDLS link IE is always added last */
2834 switch (action_code) {
2835 case WLAN_TDLS_SETUP_REQUEST:
2836 case WLAN_TDLS_SETUP_CONFIRM:
2837 case WLAN_TDLS_TEARDOWN:
2838 case WLAN_TDLS_DISCOVERY_REQUEST:
2839 /* we are the initiator */
2840 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2841 sdata->u.mgd.bssid);
2842 break;
2843 case WLAN_TDLS_SETUP_RESPONSE:
2844 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2845 /* we are the responder */
2846 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2847 sdata->u.mgd.bssid);
2848 break;
2849 default:
2850 ret = -ENOTSUPP;
2851 goto fail;
2852 }
2853
2854 if (send_direct) {
2855 ieee80211_tx_skb(sdata, skb);
2856 return 0;
2857 }
2858
2859 /*
2860 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2861 * we should default to AC_VI.
2862 */
2863 switch (action_code) {
2864 case WLAN_TDLS_SETUP_REQUEST:
2865 case WLAN_TDLS_SETUP_RESPONSE:
2866 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2867 skb->priority = 2;
2868 break;
2869 default:
2870 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2871 skb->priority = 5;
2872 break;
2873 }
2874
2875 /* disable bottom halves when entering the Tx path */
2876 local_bh_disable();
2877 ret = ieee80211_subif_start_xmit(skb, dev);
2878 local_bh_enable();
2879
2880 return ret;
2881
2882 fail:
2883 dev_kfree_skb(skb);
2884 return ret;
2885 }
2886
2887 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2888 u8 *peer, enum nl80211_tdls_operation oper)
2889 {
2890 struct sta_info *sta;
2891 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2892
2893 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2894 return -ENOTSUPP;
2895
2896 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2897 return -EINVAL;
2898
2899 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
2900
2901 switch (oper) {
2902 case NL80211_TDLS_ENABLE_LINK:
2903 rcu_read_lock();
2904 sta = sta_info_get(sdata, peer);
2905 if (!sta) {
2906 rcu_read_unlock();
2907 return -ENOLINK;
2908 }
2909
2910 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2911 rcu_read_unlock();
2912 break;
2913 case NL80211_TDLS_DISABLE_LINK:
2914 return sta_info_destroy_addr(sdata, peer);
2915 case NL80211_TDLS_TEARDOWN:
2916 case NL80211_TDLS_SETUP:
2917 case NL80211_TDLS_DISCOVERY_REQ:
2918 /* We don't support in-driver setup/teardown/discovery */
2919 return -ENOTSUPP;
2920 default:
2921 return -ENOTSUPP;
2922 }
2923
2924 return 0;
2925 }
2926
2927 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2928 const u8 *peer, u64 *cookie)
2929 {
2930 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2931 struct ieee80211_local *local = sdata->local;
2932 struct ieee80211_qos_hdr *nullfunc;
2933 struct sk_buff *skb;
2934 int size = sizeof(*nullfunc);
2935 __le16 fc;
2936 bool qos;
2937 struct ieee80211_tx_info *info;
2938 struct sta_info *sta;
2939
2940 rcu_read_lock();
2941 sta = sta_info_get(sdata, peer);
2942 if (sta) {
2943 qos = test_sta_flag(sta, WLAN_STA_WME);
2944 rcu_read_unlock();
2945 } else {
2946 rcu_read_unlock();
2947 return -ENOLINK;
2948 }
2949
2950 if (qos) {
2951 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2952 IEEE80211_STYPE_QOS_NULLFUNC |
2953 IEEE80211_FCTL_FROMDS);
2954 } else {
2955 size -= 2;
2956 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2957 IEEE80211_STYPE_NULLFUNC |
2958 IEEE80211_FCTL_FROMDS);
2959 }
2960
2961 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2962 if (!skb)
2963 return -ENOMEM;
2964
2965 skb->dev = dev;
2966
2967 skb_reserve(skb, local->hw.extra_tx_headroom);
2968
2969 nullfunc = (void *) skb_put(skb, size);
2970 nullfunc->frame_control = fc;
2971 nullfunc->duration_id = 0;
2972 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2973 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2974 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2975 nullfunc->seq_ctrl = 0;
2976
2977 info = IEEE80211_SKB_CB(skb);
2978
2979 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2980 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2981
2982 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2983 skb->priority = 7;
2984 if (qos)
2985 nullfunc->qos_ctrl = cpu_to_le16(7);
2986
2987 local_bh_disable();
2988 ieee80211_xmit(sdata, skb);
2989 local_bh_enable();
2990
2991 *cookie = (unsigned long) skb;
2992 return 0;
2993 }
2994
2995 static struct ieee80211_channel *
2996 ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
2997 enum nl80211_channel_type *type)
2998 {
2999 struct ieee80211_local *local = wiphy_priv(wiphy);
3000
3001 *type = local->_oper_channel_type;
3002 return local->oper_channel;
3003 }
3004
3005 #ifdef CONFIG_PM
3006 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3007 {
3008 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3009 }
3010 #endif
3011
3012 struct cfg80211_ops mac80211_config_ops = {
3013 .add_virtual_intf = ieee80211_add_iface,
3014 .del_virtual_intf = ieee80211_del_iface,
3015 .change_virtual_intf = ieee80211_change_iface,
3016 .add_key = ieee80211_add_key,
3017 .del_key = ieee80211_del_key,
3018 .get_key = ieee80211_get_key,
3019 .set_default_key = ieee80211_config_default_key,
3020 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3021 .start_ap = ieee80211_start_ap,
3022 .change_beacon = ieee80211_change_beacon,
3023 .stop_ap = ieee80211_stop_ap,
3024 .add_station = ieee80211_add_station,
3025 .del_station = ieee80211_del_station,
3026 .change_station = ieee80211_change_station,
3027 .get_station = ieee80211_get_station,
3028 .dump_station = ieee80211_dump_station,
3029 .dump_survey = ieee80211_dump_survey,
3030 #ifdef CONFIG_MAC80211_MESH
3031 .add_mpath = ieee80211_add_mpath,
3032 .del_mpath = ieee80211_del_mpath,
3033 .change_mpath = ieee80211_change_mpath,
3034 .get_mpath = ieee80211_get_mpath,
3035 .dump_mpath = ieee80211_dump_mpath,
3036 .update_mesh_config = ieee80211_update_mesh_config,
3037 .get_mesh_config = ieee80211_get_mesh_config,
3038 .join_mesh = ieee80211_join_mesh,
3039 .leave_mesh = ieee80211_leave_mesh,
3040 #endif
3041 .change_bss = ieee80211_change_bss,
3042 .set_txq_params = ieee80211_set_txq_params,
3043 .set_monitor_channel = ieee80211_set_monitor_channel,
3044 .suspend = ieee80211_suspend,
3045 .resume = ieee80211_resume,
3046 .scan = ieee80211_scan,
3047 .sched_scan_start = ieee80211_sched_scan_start,
3048 .sched_scan_stop = ieee80211_sched_scan_stop,
3049 .auth = ieee80211_auth,
3050 .assoc = ieee80211_assoc,
3051 .deauth = ieee80211_deauth,
3052 .disassoc = ieee80211_disassoc,
3053 .join_ibss = ieee80211_join_ibss,
3054 .leave_ibss = ieee80211_leave_ibss,
3055 .set_wiphy_params = ieee80211_set_wiphy_params,
3056 .set_tx_power = ieee80211_set_tx_power,
3057 .get_tx_power = ieee80211_get_tx_power,
3058 .set_wds_peer = ieee80211_set_wds_peer,
3059 .rfkill_poll = ieee80211_rfkill_poll,
3060 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3061 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3062 .set_power_mgmt = ieee80211_set_power_mgmt,
3063 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3064 .remain_on_channel = ieee80211_remain_on_channel,
3065 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3066 .mgmt_tx = ieee80211_mgmt_tx,
3067 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3068 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3069 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3070 .set_antenna = ieee80211_set_antenna,
3071 .get_antenna = ieee80211_get_antenna,
3072 .set_ringparam = ieee80211_set_ringparam,
3073 .get_ringparam = ieee80211_get_ringparam,
3074 .set_rekey_data = ieee80211_set_rekey_data,
3075 .tdls_oper = ieee80211_tdls_oper,
3076 .tdls_mgmt = ieee80211_tdls_mgmt,
3077 .probe_client = ieee80211_probe_client,
3078 .set_noack_map = ieee80211_set_noack_map,
3079 #ifdef CONFIG_PM
3080 .set_wakeup = ieee80211_set_wakeup,
3081 #endif
3082 .get_et_sset_count = ieee80211_get_et_sset_count,
3083 .get_et_stats = ieee80211_get_et_stats,
3084 .get_et_strings = ieee80211_get_et_strings,
3085 .get_channel = ieee80211_cfg_get_channel,
3086 };
Linux kernel - Deliverables
This page took 0.098506 seconds and 5 git commands to generate.