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cfdc03f59e27200443d02c5a650335d1fb038896
[GitHub/mt8127/android_kernel_alcatel_ttab.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->hw.conf.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 sk_buff *new, *old;
729
730 if (!resp || !resp_len)
731 return 1;
732
733 old = rtnl_dereference(sdata->u.ap.probe_resp);
734
735 new = dev_alloc_skb(resp_len);
736 if (!new)
737 return -ENOMEM;
738
739 memcpy(skb_put(new, resp_len), resp, resp_len);
740
741 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
742 if (old) {
743 /* TODO: use call_rcu() */
744 synchronize_rcu();
745 dev_kfree_skb(old);
746 }
747
748 return 0;
749 }
750
751 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
752 struct cfg80211_beacon_data *params)
753 {
754 struct beacon_data *new, *old;
755 int new_head_len, new_tail_len;
756 int size, err;
757 u32 changed = BSS_CHANGED_BEACON;
758
759 old = rtnl_dereference(sdata->u.ap.beacon);
760
761 /* Need to have a beacon head if we don't have one yet */
762 if (!params->head && !old)
763 return -EINVAL;
764
765 /* new or old head? */
766 if (params->head)
767 new_head_len = params->head_len;
768 else
769 new_head_len = old->head_len;
770
771 /* new or old tail? */
772 if (params->tail || !old)
773 /* params->tail_len will be zero for !params->tail */
774 new_tail_len = params->tail_len;
775 else
776 new_tail_len = old->tail_len;
777
778 size = sizeof(*new) + new_head_len + new_tail_len;
779
780 new = kzalloc(size, GFP_KERNEL);
781 if (!new)
782 return -ENOMEM;
783
784 /* start filling the new info now */
785
786 /*
787 * pointers go into the block we allocated,
788 * memory is | beacon_data | head | tail |
789 */
790 new->head = ((u8 *) new) + sizeof(*new);
791 new->tail = new->head + new_head_len;
792 new->head_len = new_head_len;
793 new->tail_len = new_tail_len;
794
795 /* copy in head */
796 if (params->head)
797 memcpy(new->head, params->head, new_head_len);
798 else
799 memcpy(new->head, old->head, new_head_len);
800
801 /* copy in optional tail */
802 if (params->tail)
803 memcpy(new->tail, params->tail, new_tail_len);
804 else
805 if (old)
806 memcpy(new->tail, old->tail, new_tail_len);
807
808 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
809 params->probe_resp_len);
810 if (err < 0)
811 return err;
812 if (err == 0)
813 changed |= BSS_CHANGED_AP_PROBE_RESP;
814
815 rcu_assign_pointer(sdata->u.ap.beacon, new);
816
817 if (old)
818 kfree_rcu(old, rcu_head);
819
820 return changed;
821 }
822
823 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
824 struct cfg80211_ap_settings *params)
825 {
826 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
827 struct beacon_data *old;
828 struct ieee80211_sub_if_data *vlan;
829 u32 changed = BSS_CHANGED_BEACON_INT |
830 BSS_CHANGED_BEACON_ENABLED |
831 BSS_CHANGED_BEACON |
832 BSS_CHANGED_SSID;
833 int err;
834
835 old = rtnl_dereference(sdata->u.ap.beacon);
836 if (old)
837 return -EALREADY;
838
839 err = ieee80211_set_channel(wiphy, dev, params->channel,
840 params->channel_type);
841 if (err)
842 return err;
843
844 /*
845 * Apply control port protocol, this allows us to
846 * not encrypt dynamic WEP control frames.
847 */
848 sdata->control_port_protocol = params->crypto.control_port_ethertype;
849 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
850 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
851 vlan->control_port_protocol =
852 params->crypto.control_port_ethertype;
853 vlan->control_port_no_encrypt =
854 params->crypto.control_port_no_encrypt;
855 }
856
857 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
858 sdata->vif.bss_conf.dtim_period = params->dtim_period;
859
860 sdata->vif.bss_conf.ssid_len = params->ssid_len;
861 if (params->ssid_len)
862 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
863 params->ssid_len);
864 sdata->vif.bss_conf.hidden_ssid =
865 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
866
867 err = ieee80211_assign_beacon(sdata, &params->beacon);
868 if (err < 0)
869 return err;
870 changed |= err;
871
872 ieee80211_bss_info_change_notify(sdata, changed);
873
874 netif_carrier_on(dev);
875 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
876 netif_carrier_on(vlan->dev);
877
878 return 0;
879 }
880
881 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
882 struct cfg80211_beacon_data *params)
883 {
884 struct ieee80211_sub_if_data *sdata;
885 struct beacon_data *old;
886 int err;
887
888 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889
890 old = rtnl_dereference(sdata->u.ap.beacon);
891 if (!old)
892 return -ENOENT;
893
894 err = ieee80211_assign_beacon(sdata, params);
895 if (err < 0)
896 return err;
897 ieee80211_bss_info_change_notify(sdata, err);
898 return 0;
899 }
900
901 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
902 {
903 struct ieee80211_sub_if_data *sdata, *vlan;
904 struct beacon_data *old;
905
906 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
907
908 old = rtnl_dereference(sdata->u.ap.beacon);
909 if (!old)
910 return -ENOENT;
911
912 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
913 netif_carrier_off(vlan->dev);
914 netif_carrier_off(dev);
915
916 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
917
918 kfree_rcu(old, rcu_head);
919
920 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
921
922 return 0;
923 }
924
925 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
926 struct iapp_layer2_update {
927 u8 da[ETH_ALEN]; /* broadcast */
928 u8 sa[ETH_ALEN]; /* STA addr */
929 __be16 len; /* 6 */
930 u8 dsap; /* 0 */
931 u8 ssap; /* 0 */
932 u8 control;
933 u8 xid_info[3];
934 } __packed;
935
936 static void ieee80211_send_layer2_update(struct sta_info *sta)
937 {
938 struct iapp_layer2_update *msg;
939 struct sk_buff *skb;
940
941 /* Send Level 2 Update Frame to update forwarding tables in layer 2
942 * bridge devices */
943
944 skb = dev_alloc_skb(sizeof(*msg));
945 if (!skb)
946 return;
947 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
948
949 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
950 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
951
952 memset(msg->da, 0xff, ETH_ALEN);
953 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
954 msg->len = htons(6);
955 msg->dsap = 0;
956 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
957 msg->control = 0xaf; /* XID response lsb.1111F101.
958 * F=0 (no poll command; unsolicited frame) */
959 msg->xid_info[0] = 0x81; /* XID format identifier */
960 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
961 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
962
963 skb->dev = sta->sdata->dev;
964 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
965 memset(skb->cb, 0, sizeof(skb->cb));
966 netif_rx_ni(skb);
967 }
968
969 static int sta_apply_parameters(struct ieee80211_local *local,
970 struct sta_info *sta,
971 struct station_parameters *params)
972 {
973 int ret = 0;
974 u32 rates;
975 int i, j;
976 struct ieee80211_supported_band *sband;
977 struct ieee80211_sub_if_data *sdata = sta->sdata;
978 u32 mask, set;
979
980 sband = local->hw.wiphy->bands[local->oper_channel->band];
981
982 mask = params->sta_flags_mask;
983 set = params->sta_flags_set;
984
985 /*
986 * In mesh mode, we can clear AUTHENTICATED flag but must
987 * also make ASSOCIATED follow appropriately for the driver
988 * API. See also below, after AUTHORIZED changes.
989 */
990 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
991 /* cfg80211 should not allow this in non-mesh modes */
992 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
993 return -EINVAL;
994
995 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
996 !test_sta_flag(sta, WLAN_STA_AUTH)) {
997 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
998 if (ret)
999 return ret;
1000 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1001 if (ret)
1002 return ret;
1003 }
1004 }
1005
1006 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1007 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1008 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1009 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1010 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1011 if (ret)
1012 return ret;
1013 }
1014
1015 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1016 /* cfg80211 should not allow this in non-mesh modes */
1017 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1018 return -EINVAL;
1019
1020 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1021 test_sta_flag(sta, WLAN_STA_AUTH)) {
1022 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1023 if (ret)
1024 return ret;
1025 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1026 if (ret)
1027 return ret;
1028 }
1029 }
1030
1031
1032 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1033 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1034 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1035 else
1036 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1037 }
1038
1039 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1040 if (set & BIT(NL80211_STA_FLAG_WME)) {
1041 set_sta_flag(sta, WLAN_STA_WME);
1042 sta->sta.wme = true;
1043 } else {
1044 clear_sta_flag(sta, WLAN_STA_WME);
1045 sta->sta.wme = false;
1046 }
1047 }
1048
1049 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1050 if (set & BIT(NL80211_STA_FLAG_MFP))
1051 set_sta_flag(sta, WLAN_STA_MFP);
1052 else
1053 clear_sta_flag(sta, WLAN_STA_MFP);
1054 }
1055
1056 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1057 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1058 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1059 else
1060 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1061 }
1062
1063 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1064 sta->sta.uapsd_queues = params->uapsd_queues;
1065 sta->sta.max_sp = params->max_sp;
1066 }
1067
1068 /*
1069 * cfg80211 validates this (1-2007) and allows setting the AID
1070 * only when creating a new station entry
1071 */
1072 if (params->aid)
1073 sta->sta.aid = params->aid;
1074
1075 /*
1076 * FIXME: updating the following information is racy when this
1077 * function is called from ieee80211_change_station().
1078 * However, all this information should be static so
1079 * maybe we should just reject attemps to change it.
1080 */
1081
1082 if (params->listen_interval >= 0)
1083 sta->listen_interval = params->listen_interval;
1084
1085 if (params->supported_rates) {
1086 rates = 0;
1087
1088 for (i = 0; i < params->supported_rates_len; i++) {
1089 int rate = (params->supported_rates[i] & 0x7f) * 5;
1090 for (j = 0; j < sband->n_bitrates; j++) {
1091 if (sband->bitrates[j].bitrate == rate)
1092 rates |= BIT(j);
1093 }
1094 }
1095 sta->sta.supp_rates[local->oper_channel->band] = rates;
1096 }
1097
1098 if (params->ht_capa)
1099 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1100 params->ht_capa,
1101 &sta->sta.ht_cap);
1102
1103 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1104 #ifdef CONFIG_MAC80211_MESH
1105 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1106 switch (params->plink_state) {
1107 case NL80211_PLINK_LISTEN:
1108 case NL80211_PLINK_ESTAB:
1109 case NL80211_PLINK_BLOCKED:
1110 sta->plink_state = params->plink_state;
1111 break;
1112 default:
1113 /* nothing */
1114 break;
1115 }
1116 else
1117 switch (params->plink_action) {
1118 case PLINK_ACTION_OPEN:
1119 mesh_plink_open(sta);
1120 break;
1121 case PLINK_ACTION_BLOCK:
1122 mesh_plink_block(sta);
1123 break;
1124 }
1125 #endif
1126 }
1127
1128 return 0;
1129 }
1130
1131 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1132 u8 *mac, struct station_parameters *params)
1133 {
1134 struct ieee80211_local *local = wiphy_priv(wiphy);
1135 struct sta_info *sta;
1136 struct ieee80211_sub_if_data *sdata;
1137 int err;
1138 int layer2_update;
1139
1140 if (params->vlan) {
1141 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1142
1143 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1144 sdata->vif.type != NL80211_IFTYPE_AP)
1145 return -EINVAL;
1146 } else
1147 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1148
1149 if (ether_addr_equal(mac, sdata->vif.addr))
1150 return -EINVAL;
1151
1152 if (is_multicast_ether_addr(mac))
1153 return -EINVAL;
1154
1155 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1156 if (!sta)
1157 return -ENOMEM;
1158
1159 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1160 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1161
1162 err = sta_apply_parameters(local, sta, params);
1163 if (err) {
1164 sta_info_free(local, sta);
1165 return err;
1166 }
1167
1168 /*
1169 * for TDLS, rate control should be initialized only when supported
1170 * rates are known.
1171 */
1172 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1173 rate_control_rate_init(sta);
1174
1175 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1176 sdata->vif.type == NL80211_IFTYPE_AP;
1177
1178 err = sta_info_insert_rcu(sta);
1179 if (err) {
1180 rcu_read_unlock();
1181 return err;
1182 }
1183
1184 if (layer2_update)
1185 ieee80211_send_layer2_update(sta);
1186
1187 rcu_read_unlock();
1188
1189 return 0;
1190 }
1191
1192 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1193 u8 *mac)
1194 {
1195 struct ieee80211_local *local = wiphy_priv(wiphy);
1196 struct ieee80211_sub_if_data *sdata;
1197
1198 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1199
1200 if (mac)
1201 return sta_info_destroy_addr_bss(sdata, mac);
1202
1203 sta_info_flush(local, sdata);
1204 return 0;
1205 }
1206
1207 static int ieee80211_change_station(struct wiphy *wiphy,
1208 struct net_device *dev,
1209 u8 *mac,
1210 struct station_parameters *params)
1211 {
1212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1213 struct ieee80211_local *local = wiphy_priv(wiphy);
1214 struct sta_info *sta;
1215 struct ieee80211_sub_if_data *vlansdata;
1216 int err;
1217
1218 mutex_lock(&local->sta_mtx);
1219
1220 sta = sta_info_get_bss(sdata, mac);
1221 if (!sta) {
1222 mutex_unlock(&local->sta_mtx);
1223 return -ENOENT;
1224 }
1225
1226 /* in station mode, supported rates are only valid with TDLS */
1227 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1228 params->supported_rates &&
1229 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1230 mutex_unlock(&local->sta_mtx);
1231 return -EINVAL;
1232 }
1233
1234 if (params->vlan && params->vlan != sta->sdata->dev) {
1235 bool prev_4addr = false;
1236 bool new_4addr = false;
1237
1238 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1239
1240 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1241 vlansdata->vif.type != NL80211_IFTYPE_AP) {
1242 mutex_unlock(&local->sta_mtx);
1243 return -EINVAL;
1244 }
1245
1246 if (params->vlan->ieee80211_ptr->use_4addr) {
1247 if (vlansdata->u.vlan.sta) {
1248 mutex_unlock(&local->sta_mtx);
1249 return -EBUSY;
1250 }
1251
1252 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1253 new_4addr = true;
1254 }
1255
1256 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1257 sta->sdata->u.vlan.sta) {
1258 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1259 prev_4addr = true;
1260 }
1261
1262 sta->sdata = vlansdata;
1263
1264 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1265 prev_4addr != new_4addr) {
1266 if (new_4addr)
1267 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1268 else
1269 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1270 }
1271
1272 ieee80211_send_layer2_update(sta);
1273 }
1274
1275 err = sta_apply_parameters(local, sta, params);
1276 if (err) {
1277 mutex_unlock(&local->sta_mtx);
1278 return err;
1279 }
1280
1281 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1282 rate_control_rate_init(sta);
1283
1284 mutex_unlock(&local->sta_mtx);
1285
1286 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1287 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1288 ieee80211_recalc_ps(local, -1);
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->hw.conf.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->hw.conf.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
2082 return 0;
2083 }
2084
2085 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2086 struct net_device *dev,
2087 s32 rssi_thold, u32 rssi_hyst)
2088 {
2089 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2090 struct ieee80211_vif *vif = &sdata->vif;
2091 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2092
2093 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2094 rssi_hyst == bss_conf->cqm_rssi_hyst)
2095 return 0;
2096
2097 bss_conf->cqm_rssi_thold = rssi_thold;
2098 bss_conf->cqm_rssi_hyst = rssi_hyst;
2099
2100 /* tell the driver upon association, unless already associated */
2101 if (sdata->u.mgd.associated &&
2102 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2103 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2104
2105 return 0;
2106 }
2107
2108 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2109 struct net_device *dev,
2110 const u8 *addr,
2111 const struct cfg80211_bitrate_mask *mask)
2112 {
2113 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2114 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2115 int i, ret;
2116
2117 if (!ieee80211_sdata_running(sdata))
2118 return -ENETDOWN;
2119
2120 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2121 ret = drv_set_bitrate_mask(local, sdata, mask);
2122 if (ret)
2123 return ret;
2124 }
2125
2126 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2127 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2128 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2129 sizeof(mask->control[i].mcs));
2130 }
2131
2132 return 0;
2133 }
2134
2135 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2136 struct ieee80211_sub_if_data *sdata,
2137 struct ieee80211_channel *channel,
2138 enum nl80211_channel_type channel_type,
2139 unsigned int duration, u64 *cookie,
2140 struct sk_buff *txskb)
2141 {
2142 struct ieee80211_roc_work *roc, *tmp;
2143 bool queued = false;
2144 int ret;
2145
2146 lockdep_assert_held(&local->mtx);
2147
2148 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2149 if (!roc)
2150 return -ENOMEM;
2151
2152 roc->chan = channel;
2153 roc->chan_type = channel_type;
2154 roc->duration = duration;
2155 roc->req_duration = duration;
2156 roc->frame = txskb;
2157 roc->mgmt_tx_cookie = (unsigned long)txskb;
2158 roc->sdata = sdata;
2159 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2160 INIT_LIST_HEAD(&roc->dependents);
2161
2162 /* if there's one pending or we're scanning, queue this one */
2163 if (!list_empty(&local->roc_list) || local->scanning)
2164 goto out_check_combine;
2165
2166 /* if not HW assist, just queue & schedule work */
2167 if (!local->ops->remain_on_channel) {
2168 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2169 goto out_queue;
2170 }
2171
2172 /* otherwise actually kick it off here (for error handling) */
2173
2174 /*
2175 * If the duration is zero, then the driver
2176 * wouldn't actually do anything. Set it to
2177 * 10 for now.
2178 *
2179 * TODO: cancel the off-channel operation
2180 * when we get the SKB's TX status and
2181 * the wait time was zero before.
2182 */
2183 if (!duration)
2184 duration = 10;
2185
2186 ret = drv_remain_on_channel(local, channel, channel_type, duration);
2187 if (ret) {
2188 kfree(roc);
2189 return ret;
2190 }
2191
2192 roc->started = true;
2193 goto out_queue;
2194
2195 out_check_combine:
2196 list_for_each_entry(tmp, &local->roc_list, list) {
2197 if (tmp->chan != channel || tmp->chan_type != channel_type)
2198 continue;
2199
2200 /*
2201 * Extend this ROC if possible:
2202 *
2203 * If it hasn't started yet, just increase the duration
2204 * and add the new one to the list of dependents.
2205 */
2206 if (!tmp->started) {
2207 list_add_tail(&roc->list, &tmp->dependents);
2208 tmp->duration = max(tmp->duration, roc->duration);
2209 queued = true;
2210 break;
2211 }
2212
2213 /* If it has already started, it's more difficult ... */
2214 if (local->ops->remain_on_channel) {
2215 unsigned long j = jiffies;
2216
2217 /*
2218 * In the offloaded ROC case, if it hasn't begun, add
2219 * this new one to the dependent list to be handled
2220 * when the the master one begins. If it has begun,
2221 * check that there's still a minimum time left and
2222 * if so, start this one, transmitting the frame, but
2223 * add it to the list directly after this one with a
2224 * a reduced time so we'll ask the driver to execute
2225 * it right after finishing the previous one, in the
2226 * hope that it'll also be executed right afterwards,
2227 * effectively extending the old one.
2228 * If there's no minimum time left, just add it to the
2229 * normal list.
2230 */
2231 if (!tmp->hw_begun) {
2232 list_add_tail(&roc->list, &tmp->dependents);
2233 queued = true;
2234 break;
2235 }
2236
2237 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2238 tmp->hw_start_time +
2239 msecs_to_jiffies(tmp->duration))) {
2240 int new_dur;
2241
2242 ieee80211_handle_roc_started(roc);
2243
2244 new_dur = roc->duration -
2245 jiffies_to_msecs(tmp->hw_start_time +
2246 msecs_to_jiffies(
2247 tmp->duration) -
2248 j);
2249
2250 if (new_dur > 0) {
2251 /* add right after tmp */
2252 list_add(&roc->list, &tmp->list);
2253 } else {
2254 list_add_tail(&roc->list,
2255 &tmp->dependents);
2256 }
2257 queued = true;
2258 }
2259 } else if (del_timer_sync(&tmp->work.timer)) {
2260 unsigned long new_end;
2261
2262 /*
2263 * In the software ROC case, cancel the timer, if
2264 * that fails then the finish work is already
2265 * queued/pending and thus we queue the new ROC
2266 * normally, if that succeeds then we can extend
2267 * the timer duration and TX the frame (if any.)
2268 */
2269
2270 list_add_tail(&roc->list, &tmp->dependents);
2271 queued = true;
2272
2273 new_end = jiffies + msecs_to_jiffies(roc->duration);
2274
2275 /* ok, it was started & we canceled timer */
2276 if (time_after(new_end, tmp->work.timer.expires))
2277 mod_timer(&tmp->work.timer, new_end);
2278 else
2279 add_timer(&tmp->work.timer);
2280
2281 ieee80211_handle_roc_started(roc);
2282 }
2283 break;
2284 }
2285
2286 out_queue:
2287 if (!queued)
2288 list_add_tail(&roc->list, &local->roc_list);
2289
2290 /*
2291 * cookie is either the roc (for normal roc)
2292 * or the SKB (for mgmt TX)
2293 */
2294 if (txskb)
2295 *cookie = (unsigned long)txskb;
2296 else
2297 *cookie = (unsigned long)roc;
2298
2299 return 0;
2300 }
2301
2302 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2303 struct wireless_dev *wdev,
2304 struct ieee80211_channel *chan,
2305 enum nl80211_channel_type channel_type,
2306 unsigned int duration,
2307 u64 *cookie)
2308 {
2309 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2310 struct ieee80211_local *local = sdata->local;
2311 int ret;
2312
2313 mutex_lock(&local->mtx);
2314 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2315 duration, cookie, NULL);
2316 mutex_unlock(&local->mtx);
2317
2318 return ret;
2319 }
2320
2321 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2322 u64 cookie, bool mgmt_tx)
2323 {
2324 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2325 int ret;
2326
2327 mutex_lock(&local->mtx);
2328 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2329 struct ieee80211_roc_work *dep, *tmp2;
2330
2331 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2332 if (!mgmt_tx && (unsigned long)dep != cookie)
2333 continue;
2334 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2335 continue;
2336 /* found dependent item -- just remove it */
2337 list_del(&dep->list);
2338 mutex_unlock(&local->mtx);
2339
2340 ieee80211_roc_notify_destroy(dep);
2341 return 0;
2342 }
2343
2344 if (!mgmt_tx && (unsigned long)roc != cookie)
2345 continue;
2346 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2347 continue;
2348
2349 found = roc;
2350 break;
2351 }
2352
2353 if (!found) {
2354 mutex_unlock(&local->mtx);
2355 return -ENOENT;
2356 }
2357
2358 /*
2359 * We found the item to cancel, so do that. Note that it
2360 * may have dependents, which we also cancel (and send
2361 * the expired signal for.) Not doing so would be quite
2362 * tricky here, but we may need to fix it later.
2363 */
2364
2365 if (local->ops->remain_on_channel) {
2366 if (found->started) {
2367 ret = drv_cancel_remain_on_channel(local);
2368 if (WARN_ON_ONCE(ret)) {
2369 mutex_unlock(&local->mtx);
2370 return ret;
2371 }
2372 }
2373
2374 list_del(&found->list);
2375
2376 if (found->started)
2377 ieee80211_start_next_roc(local);
2378 mutex_unlock(&local->mtx);
2379
2380 ieee80211_roc_notify_destroy(found);
2381 } else {
2382 /* work may be pending so use it all the time */
2383 found->abort = true;
2384 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2385
2386 mutex_unlock(&local->mtx);
2387
2388 /* work will clean up etc */
2389 flush_delayed_work(&found->work);
2390 }
2391
2392 return 0;
2393 }
2394
2395 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2396 struct wireless_dev *wdev,
2397 u64 cookie)
2398 {
2399 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2400 struct ieee80211_local *local = sdata->local;
2401
2402 return ieee80211_cancel_roc(local, cookie, false);
2403 }
2404
2405 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2406 struct ieee80211_channel *chan, bool offchan,
2407 enum nl80211_channel_type channel_type,
2408 bool channel_type_valid, unsigned int wait,
2409 const u8 *buf, size_t len, bool no_cck,
2410 bool dont_wait_for_ack, u64 *cookie)
2411 {
2412 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2413 struct ieee80211_local *local = sdata->local;
2414 struct sk_buff *skb;
2415 struct sta_info *sta;
2416 const struct ieee80211_mgmt *mgmt = (void *)buf;
2417 bool need_offchan = false;
2418 u32 flags;
2419 int ret;
2420
2421 if (dont_wait_for_ack)
2422 flags = IEEE80211_TX_CTL_NO_ACK;
2423 else
2424 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2425 IEEE80211_TX_CTL_REQ_TX_STATUS;
2426
2427 if (no_cck)
2428 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2429
2430 switch (sdata->vif.type) {
2431 case NL80211_IFTYPE_ADHOC:
2432 if (!sdata->vif.bss_conf.ibss_joined)
2433 need_offchan = true;
2434 /* fall through */
2435 #ifdef CONFIG_MAC80211_MESH
2436 case NL80211_IFTYPE_MESH_POINT:
2437 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2438 !sdata->u.mesh.mesh_id_len)
2439 need_offchan = true;
2440 /* fall through */
2441 #endif
2442 case NL80211_IFTYPE_AP:
2443 case NL80211_IFTYPE_AP_VLAN:
2444 case NL80211_IFTYPE_P2P_GO:
2445 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2446 !ieee80211_vif_is_mesh(&sdata->vif) &&
2447 !rcu_access_pointer(sdata->bss->beacon))
2448 need_offchan = true;
2449 if (!ieee80211_is_action(mgmt->frame_control) ||
2450 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2451 break;
2452 rcu_read_lock();
2453 sta = sta_info_get(sdata, mgmt->da);
2454 rcu_read_unlock();
2455 if (!sta)
2456 return -ENOLINK;
2457 break;
2458 case NL80211_IFTYPE_STATION:
2459 case NL80211_IFTYPE_P2P_CLIENT:
2460 if (!sdata->u.mgd.associated)
2461 need_offchan = true;
2462 break;
2463 default:
2464 return -EOPNOTSUPP;
2465 }
2466
2467 mutex_lock(&local->mtx);
2468
2469 /* Check if the operating channel is the requested channel */
2470 if (!need_offchan) {
2471 need_offchan = chan != local->oper_channel;
2472 if (channel_type_valid &&
2473 channel_type != local->_oper_channel_type)
2474 need_offchan = true;
2475 }
2476
2477 if (need_offchan && !offchan) {
2478 ret = -EBUSY;
2479 goto out_unlock;
2480 }
2481
2482 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2483 if (!skb) {
2484 ret = -ENOMEM;
2485 goto out_unlock;
2486 }
2487 skb_reserve(skb, local->hw.extra_tx_headroom);
2488
2489 memcpy(skb_put(skb, len), buf, len);
2490
2491 IEEE80211_SKB_CB(skb)->flags = flags;
2492
2493 skb->dev = sdata->dev;
2494
2495 if (!need_offchan) {
2496 ieee80211_tx_skb(sdata, skb);
2497 ret = 0;
2498 goto out_unlock;
2499 }
2500
2501 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2502 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2503 IEEE80211_SKB_CB(skb)->hw_queue =
2504 local->hw.offchannel_tx_hw_queue;
2505
2506 /* This will handle all kinds of coalescing and immediate TX */
2507 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2508 wait, cookie, skb);
2509 if (ret)
2510 kfree_skb(skb);
2511 out_unlock:
2512 mutex_unlock(&local->mtx);
2513 return ret;
2514 }
2515
2516 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2517 struct wireless_dev *wdev,
2518 u64 cookie)
2519 {
2520 struct ieee80211_local *local = wiphy_priv(wiphy);
2521
2522 return ieee80211_cancel_roc(local, cookie, true);
2523 }
2524
2525 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2526 struct wireless_dev *wdev,
2527 u16 frame_type, bool reg)
2528 {
2529 struct ieee80211_local *local = wiphy_priv(wiphy);
2530 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2531
2532 switch (frame_type) {
2533 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2534 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2535 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2536
2537 if (reg)
2538 ifibss->auth_frame_registrations++;
2539 else
2540 ifibss->auth_frame_registrations--;
2541 }
2542 break;
2543 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2544 if (reg)
2545 local->probe_req_reg++;
2546 else
2547 local->probe_req_reg--;
2548
2549 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2550 break;
2551 default:
2552 break;
2553 }
2554 }
2555
2556 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2557 {
2558 struct ieee80211_local *local = wiphy_priv(wiphy);
2559
2560 if (local->started)
2561 return -EOPNOTSUPP;
2562
2563 return drv_set_antenna(local, tx_ant, rx_ant);
2564 }
2565
2566 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2567 {
2568 struct ieee80211_local *local = wiphy_priv(wiphy);
2569
2570 return drv_get_antenna(local, tx_ant, rx_ant);
2571 }
2572
2573 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2574 {
2575 struct ieee80211_local *local = wiphy_priv(wiphy);
2576
2577 return drv_set_ringparam(local, tx, rx);
2578 }
2579
2580 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2581 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2582 {
2583 struct ieee80211_local *local = wiphy_priv(wiphy);
2584
2585 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2586 }
2587
2588 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2589 struct net_device *dev,
2590 struct cfg80211_gtk_rekey_data *data)
2591 {
2592 struct ieee80211_local *local = wiphy_priv(wiphy);
2593 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2594
2595 if (!local->ops->set_rekey_data)
2596 return -EOPNOTSUPP;
2597
2598 drv_set_rekey_data(local, sdata, data);
2599
2600 return 0;
2601 }
2602
2603 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2604 {
2605 u8 *pos = (void *)skb_put(skb, 7);
2606
2607 *pos++ = WLAN_EID_EXT_CAPABILITY;
2608 *pos++ = 5; /* len */
2609 *pos++ = 0x0;
2610 *pos++ = 0x0;
2611 *pos++ = 0x0;
2612 *pos++ = 0x0;
2613 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2614 }
2615
2616 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2617 {
2618 struct ieee80211_local *local = sdata->local;
2619 u16 capab;
2620
2621 capab = 0;
2622 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2623 return capab;
2624
2625 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2626 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2627 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2628 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2629
2630 return capab;
2631 }
2632
2633 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2634 u8 *peer, u8 *bssid)
2635 {
2636 struct ieee80211_tdls_lnkie *lnkid;
2637
2638 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2639
2640 lnkid->ie_type = WLAN_EID_LINK_ID;
2641 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2642
2643 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2644 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2645 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2646 }
2647
2648 static int
2649 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2650 u8 *peer, u8 action_code, u8 dialog_token,
2651 u16 status_code, struct sk_buff *skb)
2652 {
2653 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2654 struct ieee80211_tdls_data *tf;
2655
2656 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2657
2658 memcpy(tf->da, peer, ETH_ALEN);
2659 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2660 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2661 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2662
2663 switch (action_code) {
2664 case WLAN_TDLS_SETUP_REQUEST:
2665 tf->category = WLAN_CATEGORY_TDLS;
2666 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2667
2668 skb_put(skb, sizeof(tf->u.setup_req));
2669 tf->u.setup_req.dialog_token = dialog_token;
2670 tf->u.setup_req.capability =
2671 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2672
2673 ieee80211_add_srates_ie(sdata, skb, false);
2674 ieee80211_add_ext_srates_ie(sdata, skb, false);
2675 ieee80211_tdls_add_ext_capab(skb);
2676 break;
2677 case WLAN_TDLS_SETUP_RESPONSE:
2678 tf->category = WLAN_CATEGORY_TDLS;
2679 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2680
2681 skb_put(skb, sizeof(tf->u.setup_resp));
2682 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2683 tf->u.setup_resp.dialog_token = dialog_token;
2684 tf->u.setup_resp.capability =
2685 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2686
2687 ieee80211_add_srates_ie(sdata, skb, false);
2688 ieee80211_add_ext_srates_ie(sdata, skb, false);
2689 ieee80211_tdls_add_ext_capab(skb);
2690 break;
2691 case WLAN_TDLS_SETUP_CONFIRM:
2692 tf->category = WLAN_CATEGORY_TDLS;
2693 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2694
2695 skb_put(skb, sizeof(tf->u.setup_cfm));
2696 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2697 tf->u.setup_cfm.dialog_token = dialog_token;
2698 break;
2699 case WLAN_TDLS_TEARDOWN:
2700 tf->category = WLAN_CATEGORY_TDLS;
2701 tf->action_code = WLAN_TDLS_TEARDOWN;
2702
2703 skb_put(skb, sizeof(tf->u.teardown));
2704 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2705 break;
2706 case WLAN_TDLS_DISCOVERY_REQUEST:
2707 tf->category = WLAN_CATEGORY_TDLS;
2708 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2709
2710 skb_put(skb, sizeof(tf->u.discover_req));
2711 tf->u.discover_req.dialog_token = dialog_token;
2712 break;
2713 default:
2714 return -EINVAL;
2715 }
2716
2717 return 0;
2718 }
2719
2720 static int
2721 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2722 u8 *peer, u8 action_code, u8 dialog_token,
2723 u16 status_code, struct sk_buff *skb)
2724 {
2725 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2726 struct ieee80211_mgmt *mgmt;
2727
2728 mgmt = (void *)skb_put(skb, 24);
2729 memset(mgmt, 0, 24);
2730 memcpy(mgmt->da, peer, ETH_ALEN);
2731 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2732 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2733
2734 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2735 IEEE80211_STYPE_ACTION);
2736
2737 switch (action_code) {
2738 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2739 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2740 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2741 mgmt->u.action.u.tdls_discover_resp.action_code =
2742 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2743 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2744 dialog_token;
2745 mgmt->u.action.u.tdls_discover_resp.capability =
2746 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2747
2748 ieee80211_add_srates_ie(sdata, skb, false);
2749 ieee80211_add_ext_srates_ie(sdata, skb, false);
2750 ieee80211_tdls_add_ext_capab(skb);
2751 break;
2752 default:
2753 return -EINVAL;
2754 }
2755
2756 return 0;
2757 }
2758
2759 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2760 u8 *peer, u8 action_code, u8 dialog_token,
2761 u16 status_code, const u8 *extra_ies,
2762 size_t extra_ies_len)
2763 {
2764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2765 struct ieee80211_local *local = sdata->local;
2766 struct ieee80211_tx_info *info;
2767 struct sk_buff *skb = NULL;
2768 bool send_direct;
2769 int ret;
2770
2771 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2772 return -ENOTSUPP;
2773
2774 /* make sure we are in managed mode, and associated */
2775 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2776 !sdata->u.mgd.associated)
2777 return -EINVAL;
2778
2779 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2780 action_code, peer);
2781
2782 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2783 max(sizeof(struct ieee80211_mgmt),
2784 sizeof(struct ieee80211_tdls_data)) +
2785 50 + /* supported rates */
2786 7 + /* ext capab */
2787 extra_ies_len +
2788 sizeof(struct ieee80211_tdls_lnkie));
2789 if (!skb)
2790 return -ENOMEM;
2791
2792 info = IEEE80211_SKB_CB(skb);
2793 skb_reserve(skb, local->hw.extra_tx_headroom);
2794
2795 switch (action_code) {
2796 case WLAN_TDLS_SETUP_REQUEST:
2797 case WLAN_TDLS_SETUP_RESPONSE:
2798 case WLAN_TDLS_SETUP_CONFIRM:
2799 case WLAN_TDLS_TEARDOWN:
2800 case WLAN_TDLS_DISCOVERY_REQUEST:
2801 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2802 action_code, dialog_token,
2803 status_code, skb);
2804 send_direct = false;
2805 break;
2806 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2807 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2808 dialog_token, status_code,
2809 skb);
2810 send_direct = true;
2811 break;
2812 default:
2813 ret = -ENOTSUPP;
2814 break;
2815 }
2816
2817 if (ret < 0)
2818 goto fail;
2819
2820 if (extra_ies_len)
2821 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2822
2823 /* the TDLS link IE is always added last */
2824 switch (action_code) {
2825 case WLAN_TDLS_SETUP_REQUEST:
2826 case WLAN_TDLS_SETUP_CONFIRM:
2827 case WLAN_TDLS_TEARDOWN:
2828 case WLAN_TDLS_DISCOVERY_REQUEST:
2829 /* we are the initiator */
2830 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2831 sdata->u.mgd.bssid);
2832 break;
2833 case WLAN_TDLS_SETUP_RESPONSE:
2834 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2835 /* we are the responder */
2836 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2837 sdata->u.mgd.bssid);
2838 break;
2839 default:
2840 ret = -ENOTSUPP;
2841 goto fail;
2842 }
2843
2844 if (send_direct) {
2845 ieee80211_tx_skb(sdata, skb);
2846 return 0;
2847 }
2848
2849 /*
2850 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2851 * we should default to AC_VI.
2852 */
2853 switch (action_code) {
2854 case WLAN_TDLS_SETUP_REQUEST:
2855 case WLAN_TDLS_SETUP_RESPONSE:
2856 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2857 skb->priority = 2;
2858 break;
2859 default:
2860 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2861 skb->priority = 5;
2862 break;
2863 }
2864
2865 /* disable bottom halves when entering the Tx path */
2866 local_bh_disable();
2867 ret = ieee80211_subif_start_xmit(skb, dev);
2868 local_bh_enable();
2869
2870 return ret;
2871
2872 fail:
2873 dev_kfree_skb(skb);
2874 return ret;
2875 }
2876
2877 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2878 u8 *peer, enum nl80211_tdls_operation oper)
2879 {
2880 struct sta_info *sta;
2881 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2882
2883 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2884 return -ENOTSUPP;
2885
2886 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2887 return -EINVAL;
2888
2889 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
2890
2891 switch (oper) {
2892 case NL80211_TDLS_ENABLE_LINK:
2893 rcu_read_lock();
2894 sta = sta_info_get(sdata, peer);
2895 if (!sta) {
2896 rcu_read_unlock();
2897 return -ENOLINK;
2898 }
2899
2900 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2901 rcu_read_unlock();
2902 break;
2903 case NL80211_TDLS_DISABLE_LINK:
2904 return sta_info_destroy_addr(sdata, peer);
2905 case NL80211_TDLS_TEARDOWN:
2906 case NL80211_TDLS_SETUP:
2907 case NL80211_TDLS_DISCOVERY_REQ:
2908 /* We don't support in-driver setup/teardown/discovery */
2909 return -ENOTSUPP;
2910 default:
2911 return -ENOTSUPP;
2912 }
2913
2914 return 0;
2915 }
2916
2917 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2918 const u8 *peer, u64 *cookie)
2919 {
2920 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2921 struct ieee80211_local *local = sdata->local;
2922 struct ieee80211_qos_hdr *nullfunc;
2923 struct sk_buff *skb;
2924 int size = sizeof(*nullfunc);
2925 __le16 fc;
2926 bool qos;
2927 struct ieee80211_tx_info *info;
2928 struct sta_info *sta;
2929
2930 rcu_read_lock();
2931 sta = sta_info_get(sdata, peer);
2932 if (sta) {
2933 qos = test_sta_flag(sta, WLAN_STA_WME);
2934 rcu_read_unlock();
2935 } else {
2936 rcu_read_unlock();
2937 return -ENOLINK;
2938 }
2939
2940 if (qos) {
2941 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2942 IEEE80211_STYPE_QOS_NULLFUNC |
2943 IEEE80211_FCTL_FROMDS);
2944 } else {
2945 size -= 2;
2946 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2947 IEEE80211_STYPE_NULLFUNC |
2948 IEEE80211_FCTL_FROMDS);
2949 }
2950
2951 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2952 if (!skb)
2953 return -ENOMEM;
2954
2955 skb->dev = dev;
2956
2957 skb_reserve(skb, local->hw.extra_tx_headroom);
2958
2959 nullfunc = (void *) skb_put(skb, size);
2960 nullfunc->frame_control = fc;
2961 nullfunc->duration_id = 0;
2962 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2963 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2964 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2965 nullfunc->seq_ctrl = 0;
2966
2967 info = IEEE80211_SKB_CB(skb);
2968
2969 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2970 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2971
2972 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2973 skb->priority = 7;
2974 if (qos)
2975 nullfunc->qos_ctrl = cpu_to_le16(7);
2976
2977 local_bh_disable();
2978 ieee80211_xmit(sdata, skb);
2979 local_bh_enable();
2980
2981 *cookie = (unsigned long) skb;
2982 return 0;
2983 }
2984
2985 static void ieee80211_set_monitor_enabled(struct wiphy *wiphy, bool enabled)
2986 {
2987 struct ieee80211_local *local = wiphy_priv(wiphy);
2988
2989 if (enabled)
2990 WARN_ON(ieee80211_add_virtual_monitor(local));
2991 else
2992 ieee80211_del_virtual_monitor(local);
2993 }
2994
2995 #ifdef CONFIG_PM
2996 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2997 {
2998 drv_set_wakeup(wiphy_priv(wiphy), enabled);
2999 }
3000 #endif
3001
3002 struct cfg80211_ops mac80211_config_ops = {
3003 .add_virtual_intf = ieee80211_add_iface,
3004 .del_virtual_intf = ieee80211_del_iface,
3005 .change_virtual_intf = ieee80211_change_iface,
3006 .add_key = ieee80211_add_key,
3007 .del_key = ieee80211_del_key,
3008 .get_key = ieee80211_get_key,
3009 .set_default_key = ieee80211_config_default_key,
3010 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3011 .start_ap = ieee80211_start_ap,
3012 .change_beacon = ieee80211_change_beacon,
3013 .stop_ap = ieee80211_stop_ap,
3014 .add_station = ieee80211_add_station,
3015 .del_station = ieee80211_del_station,
3016 .change_station = ieee80211_change_station,
3017 .get_station = ieee80211_get_station,
3018 .dump_station = ieee80211_dump_station,
3019 .dump_survey = ieee80211_dump_survey,
3020 #ifdef CONFIG_MAC80211_MESH
3021 .add_mpath = ieee80211_add_mpath,
3022 .del_mpath = ieee80211_del_mpath,
3023 .change_mpath = ieee80211_change_mpath,
3024 .get_mpath = ieee80211_get_mpath,
3025 .dump_mpath = ieee80211_dump_mpath,
3026 .update_mesh_config = ieee80211_update_mesh_config,
3027 .get_mesh_config = ieee80211_get_mesh_config,
3028 .join_mesh = ieee80211_join_mesh,
3029 .leave_mesh = ieee80211_leave_mesh,
3030 #endif
3031 .change_bss = ieee80211_change_bss,
3032 .set_txq_params = ieee80211_set_txq_params,
3033 .set_monitor_channel = ieee80211_set_monitor_channel,
3034 .suspend = ieee80211_suspend,
3035 .resume = ieee80211_resume,
3036 .scan = ieee80211_scan,
3037 .sched_scan_start = ieee80211_sched_scan_start,
3038 .sched_scan_stop = ieee80211_sched_scan_stop,
3039 .auth = ieee80211_auth,
3040 .assoc = ieee80211_assoc,
3041 .deauth = ieee80211_deauth,
3042 .disassoc = ieee80211_disassoc,
3043 .join_ibss = ieee80211_join_ibss,
3044 .leave_ibss = ieee80211_leave_ibss,
3045 .set_wiphy_params = ieee80211_set_wiphy_params,
3046 .set_tx_power = ieee80211_set_tx_power,
3047 .get_tx_power = ieee80211_get_tx_power,
3048 .set_wds_peer = ieee80211_set_wds_peer,
3049 .rfkill_poll = ieee80211_rfkill_poll,
3050 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3051 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3052 .set_power_mgmt = ieee80211_set_power_mgmt,
3053 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3054 .remain_on_channel = ieee80211_remain_on_channel,
3055 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3056 .mgmt_tx = ieee80211_mgmt_tx,
3057 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3058 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3059 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3060 .set_antenna = ieee80211_set_antenna,
3061 .get_antenna = ieee80211_get_antenna,
3062 .set_ringparam = ieee80211_set_ringparam,
3063 .get_ringparam = ieee80211_get_ringparam,
3064 .set_rekey_data = ieee80211_set_rekey_data,
3065 .tdls_oper = ieee80211_tdls_oper,
3066 .tdls_mgmt = ieee80211_tdls_mgmt,
3067 .probe_client = ieee80211_probe_client,
3068 .set_noack_map = ieee80211_set_noack_map,
3069 .set_monitor_enabled = ieee80211_set_monitor_enabled,
3070 #ifdef CONFIG_PM
3071 .set_wakeup = ieee80211_set_wakeup,
3072 #endif
3073 .get_et_sset_count = ieee80211_get_et_sset_count,
3074 .get_et_stats = ieee80211_get_et_stats,
3075 .get_et_strings = ieee80211_get_et_strings,
3076 };
kernel source for telekom puls (alcatel/mediatek)