2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 Intel Mobile Communications GmbH
6 * Copyright (C) 2015-2017 Intel Deutschland GmbH
7 * Copyright (C) 2018 Intel Corporation
9 * This file is GPLv2 as found in COPYING.
12 #include <linux/ieee80211.h>
13 #include <linux/nl80211.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/slab.h>
16 #include <net/net_namespace.h>
17 #include <linux/rcupdate.h>
18 #include <linux/if_ether.h>
19 #include <net/cfg80211.h>
20 #include "ieee80211_i.h"
21 #include "driver-ops.h"
26 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
27 struct vif_params *params)
29 bool mu_mimo_groups = false;
30 bool mu_mimo_follow = false;
32 if (params->vht_mumimo_groups) {
35 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
37 memcpy(sdata->vif.bss_conf.mu_group.membership,
38 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
39 memcpy(sdata->vif.bss_conf.mu_group.position,
40 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
41 WLAN_USER_POSITION_LEN);
42 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
43 /* don't care about endianness - just check for 0 */
44 memcpy(&membership, params->vht_mumimo_groups,
46 mu_mimo_groups = membership != 0;
49 if (params->vht_mumimo_follow_addr) {
51 is_valid_ether_addr(params->vht_mumimo_follow_addr);
52 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
53 params->vht_mumimo_follow_addr);
56 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
59 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
60 struct vif_params *params)
62 struct ieee80211_local *local = sdata->local;
63 struct ieee80211_sub_if_data *monitor_sdata;
65 /* check flags first */
66 if (params->flags && ieee80211_sdata_running(sdata)) {
67 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
70 * Prohibit MONITOR_FLAG_COOK_FRAMES and
71 * MONITOR_FLAG_ACTIVE to be changed while the
73 * Else we would need to add a lot of cruft
74 * to update everything:
75 * cooked_mntrs, monitor and all fif_* counters
76 * reconfigure hardware
78 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
82 /* also validate MU-MIMO change */
83 monitor_sdata = rtnl_dereference(local->monitor_sdata);
86 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
89 /* apply all changes now - no failures allowed */
92 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
95 if (ieee80211_sdata_running(sdata)) {
96 ieee80211_adjust_monitor_flags(sdata, -1);
97 sdata->u.mntr.flags = params->flags;
98 ieee80211_adjust_monitor_flags(sdata, 1);
100 ieee80211_configure_filter(local);
103 * Because the interface is down, ieee80211_do_stop
104 * and ieee80211_do_open take care of "everything"
105 * mentioned in the comment above.
107 sdata->u.mntr.flags = params->flags;
114 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
116 unsigned char name_assign_type,
117 enum nl80211_iftype type,
118 struct vif_params *params)
120 struct ieee80211_local *local = wiphy_priv(wiphy);
121 struct wireless_dev *wdev;
122 struct ieee80211_sub_if_data *sdata;
125 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
129 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
131 if (type == NL80211_IFTYPE_MONITOR) {
132 err = ieee80211_set_mon_options(sdata, params);
134 ieee80211_if_remove(sdata);
142 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
144 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
149 static int ieee80211_change_iface(struct wiphy *wiphy,
150 struct net_device *dev,
151 enum nl80211_iftype type,
152 struct vif_params *params)
154 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
157 ret = ieee80211_if_change_type(sdata, type);
161 if (type == NL80211_IFTYPE_AP_VLAN &&
162 params && params->use_4addr == 0) {
163 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
164 ieee80211_check_fast_rx_iface(sdata);
165 } else if (type == NL80211_IFTYPE_STATION &&
166 params && params->use_4addr >= 0) {
167 sdata->u.mgd.use_4addr = params->use_4addr;
170 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
171 ret = ieee80211_set_mon_options(sdata, params);
179 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
180 struct wireless_dev *wdev)
182 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
185 mutex_lock(&sdata->local->chanctx_mtx);
186 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
187 mutex_unlock(&sdata->local->chanctx_mtx);
191 return ieee80211_do_open(wdev, true);
194 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
195 struct wireless_dev *wdev)
197 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
200 static int ieee80211_start_nan(struct wiphy *wiphy,
201 struct wireless_dev *wdev,
202 struct cfg80211_nan_conf *conf)
204 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
207 mutex_lock(&sdata->local->chanctx_mtx);
208 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
209 mutex_unlock(&sdata->local->chanctx_mtx);
213 ret = ieee80211_do_open(wdev, true);
217 ret = drv_start_nan(sdata->local, sdata, conf);
219 ieee80211_sdata_stop(sdata);
221 sdata->u.nan.conf = *conf;
226 static void ieee80211_stop_nan(struct wiphy *wiphy,
227 struct wireless_dev *wdev)
229 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
231 drv_stop_nan(sdata->local, sdata);
232 ieee80211_sdata_stop(sdata);
235 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
236 struct wireless_dev *wdev,
237 struct cfg80211_nan_conf *conf,
240 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
241 struct cfg80211_nan_conf new_conf;
244 if (sdata->vif.type != NL80211_IFTYPE_NAN)
247 if (!ieee80211_sdata_running(sdata))
250 new_conf = sdata->u.nan.conf;
252 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
253 new_conf.master_pref = conf->master_pref;
255 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
256 new_conf.bands = conf->bands;
258 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
260 sdata->u.nan.conf = new_conf;
265 static int ieee80211_add_nan_func(struct wiphy *wiphy,
266 struct wireless_dev *wdev,
267 struct cfg80211_nan_func *nan_func)
269 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
272 if (sdata->vif.type != NL80211_IFTYPE_NAN)
275 if (!ieee80211_sdata_running(sdata))
278 spin_lock_bh(&sdata->u.nan.func_lock);
280 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
281 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
283 spin_unlock_bh(&sdata->u.nan.func_lock);
288 nan_func->instance_id = ret;
290 WARN_ON(nan_func->instance_id == 0);
292 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
294 spin_lock_bh(&sdata->u.nan.func_lock);
295 idr_remove(&sdata->u.nan.function_inst_ids,
296 nan_func->instance_id);
297 spin_unlock_bh(&sdata->u.nan.func_lock);
303 static struct cfg80211_nan_func *
304 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
307 struct cfg80211_nan_func *func;
310 lockdep_assert_held(&sdata->u.nan.func_lock);
312 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
313 if (func->cookie == cookie)
320 static void ieee80211_del_nan_func(struct wiphy *wiphy,
321 struct wireless_dev *wdev, u64 cookie)
323 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
324 struct cfg80211_nan_func *func;
327 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
328 !ieee80211_sdata_running(sdata))
331 spin_lock_bh(&sdata->u.nan.func_lock);
333 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
335 instance_id = func->instance_id;
337 spin_unlock_bh(&sdata->u.nan.func_lock);
340 drv_del_nan_func(sdata->local, sdata, instance_id);
343 static int ieee80211_set_noack_map(struct wiphy *wiphy,
344 struct net_device *dev,
347 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
349 sdata->noack_map = noack_map;
351 ieee80211_check_fast_xmit_iface(sdata);
356 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
357 u8 key_idx, bool pairwise, const u8 *mac_addr,
358 struct key_params *params)
360 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
361 struct ieee80211_local *local = sdata->local;
362 struct sta_info *sta = NULL;
363 const struct ieee80211_cipher_scheme *cs = NULL;
364 struct ieee80211_key *key;
367 if (!ieee80211_sdata_running(sdata))
370 /* reject WEP and TKIP keys if WEP failed to initialize */
371 switch (params->cipher) {
372 case WLAN_CIPHER_SUITE_WEP40:
373 case WLAN_CIPHER_SUITE_TKIP:
374 case WLAN_CIPHER_SUITE_WEP104:
375 if (IS_ERR(local->wep_tx_tfm))
378 case WLAN_CIPHER_SUITE_CCMP:
379 case WLAN_CIPHER_SUITE_CCMP_256:
380 case WLAN_CIPHER_SUITE_AES_CMAC:
381 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
383 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
384 case WLAN_CIPHER_SUITE_GCMP:
385 case WLAN_CIPHER_SUITE_GCMP_256:
388 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
392 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
393 params->key, params->seq_len, params->seq,
399 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
401 mutex_lock(&local->sta_mtx);
404 sta = sta_info_get_bss(sdata, mac_addr);
406 * The ASSOC test makes sure the driver is ready to
407 * receive the key. When wpa_supplicant has roamed
408 * using FT, it attempts to set the key before
409 * association has completed, this rejects that attempt
410 * so it will set the key again after association.
412 * TODO: accept the key if we have a station entry and
413 * add it to the device after the station.
415 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
416 ieee80211_key_free_unused(key);
422 switch (sdata->vif.type) {
423 case NL80211_IFTYPE_STATION:
424 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
425 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
427 case NL80211_IFTYPE_AP:
428 case NL80211_IFTYPE_AP_VLAN:
429 /* Keys without a station are used for TX only */
430 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
431 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
433 case NL80211_IFTYPE_ADHOC:
436 case NL80211_IFTYPE_MESH_POINT:
437 #ifdef CONFIG_MAC80211_MESH
438 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
439 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
442 case NL80211_IFTYPE_WDS:
443 case NL80211_IFTYPE_MONITOR:
444 case NL80211_IFTYPE_P2P_DEVICE:
445 case NL80211_IFTYPE_NAN:
446 case NL80211_IFTYPE_UNSPECIFIED:
447 case NUM_NL80211_IFTYPES:
448 case NL80211_IFTYPE_P2P_CLIENT:
449 case NL80211_IFTYPE_P2P_GO:
450 case NL80211_IFTYPE_OCB:
451 /* shouldn't happen */
457 sta->cipher_scheme = cs;
459 err = ieee80211_key_link(key, sdata, sta);
462 mutex_unlock(&local->sta_mtx);
467 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
468 u8 key_idx, bool pairwise, const u8 *mac_addr)
470 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
471 struct ieee80211_local *local = sdata->local;
472 struct sta_info *sta;
473 struct ieee80211_key *key = NULL;
476 mutex_lock(&local->sta_mtx);
477 mutex_lock(&local->key_mtx);
482 sta = sta_info_get_bss(sdata, mac_addr);
487 key = key_mtx_dereference(local, sta->ptk[key_idx]);
489 key = key_mtx_dereference(local, sta->gtk[key_idx]);
491 key = key_mtx_dereference(local, sdata->keys[key_idx]);
498 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
502 mutex_unlock(&local->key_mtx);
503 mutex_unlock(&local->sta_mtx);
508 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
509 u8 key_idx, bool pairwise, const u8 *mac_addr,
511 void (*callback)(void *cookie,
512 struct key_params *params))
514 struct ieee80211_sub_if_data *sdata;
515 struct sta_info *sta = NULL;
517 struct key_params params;
518 struct ieee80211_key *key = NULL;
523 struct ieee80211_key_seq kseq = {};
525 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
530 sta = sta_info_get_bss(sdata, mac_addr);
534 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
535 key = rcu_dereference(sta->ptk[key_idx]);
536 else if (!pairwise &&
537 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
538 key = rcu_dereference(sta->gtk[key_idx]);
540 key = rcu_dereference(sdata->keys[key_idx]);
545 memset(¶ms, 0, sizeof(params));
547 params.cipher = key->conf.cipher;
549 switch (key->conf.cipher) {
550 case WLAN_CIPHER_SUITE_TKIP:
551 pn64 = atomic64_read(&key->conf.tx_pn);
552 iv32 = TKIP_PN_TO_IV32(pn64);
553 iv16 = TKIP_PN_TO_IV16(pn64);
555 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
556 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
557 drv_get_key_seq(sdata->local, key, &kseq);
558 iv32 = kseq.tkip.iv32;
559 iv16 = kseq.tkip.iv16;
562 seq[0] = iv16 & 0xff;
563 seq[1] = (iv16 >> 8) & 0xff;
564 seq[2] = iv32 & 0xff;
565 seq[3] = (iv32 >> 8) & 0xff;
566 seq[4] = (iv32 >> 16) & 0xff;
567 seq[5] = (iv32 >> 24) & 0xff;
571 case WLAN_CIPHER_SUITE_CCMP:
572 case WLAN_CIPHER_SUITE_CCMP_256:
573 case WLAN_CIPHER_SUITE_AES_CMAC:
574 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
575 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
576 offsetof(typeof(kseq), aes_cmac));
578 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
579 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
580 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
581 offsetof(typeof(kseq), aes_gmac));
583 case WLAN_CIPHER_SUITE_GCMP:
584 case WLAN_CIPHER_SUITE_GCMP_256:
585 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
586 offsetof(typeof(kseq), gcmp));
588 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
589 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
590 drv_get_key_seq(sdata->local, key, &kseq);
591 memcpy(seq, kseq.ccmp.pn, 6);
593 pn64 = atomic64_read(&key->conf.tx_pn);
605 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
607 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
609 drv_get_key_seq(sdata->local, key, &kseq);
610 params.seq = kseq.hw.seq;
611 params.seq_len = kseq.hw.seq_len;
615 params.key = key->conf.key;
616 params.key_len = key->conf.keylen;
618 callback(cookie, ¶ms);
626 static int ieee80211_config_default_key(struct wiphy *wiphy,
627 struct net_device *dev,
628 u8 key_idx, bool uni,
631 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
633 ieee80211_set_default_key(sdata, key_idx, uni, multi);
638 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
639 struct net_device *dev,
642 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
644 ieee80211_set_default_mgmt_key(sdata, key_idx);
649 void sta_set_rate_info_tx(struct sta_info *sta,
650 const struct ieee80211_tx_rate *rate,
651 struct rate_info *rinfo)
654 if (rate->flags & IEEE80211_TX_RC_MCS) {
655 rinfo->flags |= RATE_INFO_FLAGS_MCS;
656 rinfo->mcs = rate->idx;
657 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
658 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
659 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
660 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
662 struct ieee80211_supported_band *sband;
663 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
666 sband = ieee80211_get_sband(sta->sdata);
667 WARN_ON_ONCE(sband && !sband->bitrates);
668 if (sband && sband->bitrates) {
669 brate = sband->bitrates[rate->idx].bitrate;
670 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
673 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
674 rinfo->bw = RATE_INFO_BW_40;
675 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
676 rinfo->bw = RATE_INFO_BW_80;
677 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
678 rinfo->bw = RATE_INFO_BW_160;
680 rinfo->bw = RATE_INFO_BW_20;
681 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
682 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
685 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
686 int idx, u8 *mac, struct station_info *sinfo)
688 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
689 struct ieee80211_local *local = sdata->local;
690 struct sta_info *sta;
693 mutex_lock(&local->sta_mtx);
695 sta = sta_info_get_by_idx(sdata, idx);
698 memcpy(mac, sta->sta.addr, ETH_ALEN);
699 sta_set_sinfo(sta, sinfo, true);
702 mutex_unlock(&local->sta_mtx);
707 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
708 int idx, struct survey_info *survey)
710 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
712 return drv_get_survey(local, idx, survey);
715 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
716 const u8 *mac, struct station_info *sinfo)
718 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
719 struct ieee80211_local *local = sdata->local;
720 struct sta_info *sta;
723 mutex_lock(&local->sta_mtx);
725 sta = sta_info_get_bss(sdata, mac);
728 sta_set_sinfo(sta, sinfo, true);
731 mutex_unlock(&local->sta_mtx);
736 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
737 struct cfg80211_chan_def *chandef)
739 struct ieee80211_local *local = wiphy_priv(wiphy);
740 struct ieee80211_sub_if_data *sdata;
743 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
746 mutex_lock(&local->mtx);
747 if (local->use_chanctx) {
748 sdata = rtnl_dereference(local->monitor_sdata);
750 ieee80211_vif_release_channel(sdata);
751 ret = ieee80211_vif_use_channel(sdata, chandef,
752 IEEE80211_CHANCTX_EXCLUSIVE);
754 } else if (local->open_count == local->monitors) {
755 local->_oper_chandef = *chandef;
756 ieee80211_hw_config(local, 0);
760 local->monitor_chandef = *chandef;
761 mutex_unlock(&local->mtx);
766 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
767 const u8 *resp, size_t resp_len,
768 const struct ieee80211_csa_settings *csa)
770 struct probe_resp *new, *old;
772 if (!resp || !resp_len)
775 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
777 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
782 memcpy(new->data, resp, resp_len);
785 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
786 csa->n_counter_offsets_presp *
787 sizeof(new->csa_counter_offsets[0]));
789 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
791 kfree_rcu(old, rcu_head);
796 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
797 struct cfg80211_beacon_data *params,
798 const struct ieee80211_csa_settings *csa)
800 struct beacon_data *new, *old;
801 int new_head_len, new_tail_len;
803 u32 changed = BSS_CHANGED_BEACON;
805 old = sdata_dereference(sdata->u.ap.beacon, sdata);
808 /* Need to have a beacon head if we don't have one yet */
809 if (!params->head && !old)
812 /* new or old head? */
814 new_head_len = params->head_len;
816 new_head_len = old->head_len;
818 /* new or old tail? */
819 if (params->tail || !old)
820 /* params->tail_len will be zero for !params->tail */
821 new_tail_len = params->tail_len;
823 new_tail_len = old->tail_len;
825 size = sizeof(*new) + new_head_len + new_tail_len;
827 new = kzalloc(size, GFP_KERNEL);
831 /* start filling the new info now */
834 * pointers go into the block we allocated,
835 * memory is | beacon_data | head | tail |
837 new->head = ((u8 *) new) + sizeof(*new);
838 new->tail = new->head + new_head_len;
839 new->head_len = new_head_len;
840 new->tail_len = new_tail_len;
843 new->csa_current_counter = csa->count;
844 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
845 csa->n_counter_offsets_beacon *
846 sizeof(new->csa_counter_offsets[0]));
851 memcpy(new->head, params->head, new_head_len);
853 memcpy(new->head, old->head, new_head_len);
855 /* copy in optional tail */
857 memcpy(new->tail, params->tail, new_tail_len);
860 memcpy(new->tail, old->tail, new_tail_len);
862 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
863 params->probe_resp_len, csa);
867 changed |= BSS_CHANGED_AP_PROBE_RESP;
869 rcu_assign_pointer(sdata->u.ap.beacon, new);
872 kfree_rcu(old, rcu_head);
877 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
878 struct cfg80211_ap_settings *params)
880 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
881 struct ieee80211_local *local = sdata->local;
882 struct beacon_data *old;
883 struct ieee80211_sub_if_data *vlan;
884 u32 changed = BSS_CHANGED_BEACON_INT |
885 BSS_CHANGED_BEACON_ENABLED |
893 old = sdata_dereference(sdata->u.ap.beacon, sdata);
897 switch (params->smps_mode) {
898 case NL80211_SMPS_OFF:
899 sdata->smps_mode = IEEE80211_SMPS_OFF;
901 case NL80211_SMPS_STATIC:
902 sdata->smps_mode = IEEE80211_SMPS_STATIC;
904 case NL80211_SMPS_DYNAMIC:
905 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
910 sdata->u.ap.req_smps = sdata->smps_mode;
912 sdata->needed_rx_chains = sdata->local->rx_chains;
914 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
915 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
917 mutex_lock(&local->mtx);
918 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
919 IEEE80211_CHANCTX_SHARED);
921 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
922 mutex_unlock(&local->mtx);
924 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
929 * Apply control port protocol, this allows us to
930 * not encrypt dynamic WEP control frames.
932 sdata->control_port_protocol = params->crypto.control_port_ethertype;
933 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
934 sdata->control_port_over_nl80211 =
935 params->crypto.control_port_over_nl80211;
936 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
940 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
941 vlan->control_port_protocol =
942 params->crypto.control_port_ethertype;
943 vlan->control_port_no_encrypt =
944 params->crypto.control_port_no_encrypt;
945 vlan->control_port_over_nl80211 =
946 params->crypto.control_port_over_nl80211;
947 vlan->encrypt_headroom =
948 ieee80211_cs_headroom(sdata->local,
953 sdata->vif.bss_conf.dtim_period = params->dtim_period;
954 sdata->vif.bss_conf.enable_beacon = true;
955 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
957 sdata->vif.bss_conf.ssid_len = params->ssid_len;
958 if (params->ssid_len)
959 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
961 sdata->vif.bss_conf.hidden_ssid =
962 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
964 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
965 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
966 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
967 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
968 if (params->p2p_opp_ps)
969 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
970 IEEE80211_P2P_OPPPS_ENABLE_BIT;
972 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
974 ieee80211_vif_release_channel(sdata);
979 err = drv_start_ap(sdata->local, sdata);
981 old = sdata_dereference(sdata->u.ap.beacon, sdata);
984 kfree_rcu(old, rcu_head);
985 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
986 ieee80211_vif_release_channel(sdata);
990 ieee80211_recalc_dtim(local, sdata);
991 ieee80211_bss_info_change_notify(sdata, changed);
993 netif_carrier_on(dev);
994 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
995 netif_carrier_on(vlan->dev);
1000 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1001 struct cfg80211_beacon_data *params)
1003 struct ieee80211_sub_if_data *sdata;
1004 struct beacon_data *old;
1007 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1008 sdata_assert_lock(sdata);
1010 /* don't allow changing the beacon while CSA is in place - offset
1011 * of channel switch counter may change
1013 if (sdata->vif.csa_active)
1016 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1020 err = ieee80211_assign_beacon(sdata, params, NULL);
1023 ieee80211_bss_info_change_notify(sdata, err);
1027 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1029 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1030 struct ieee80211_sub_if_data *vlan;
1031 struct ieee80211_local *local = sdata->local;
1032 struct beacon_data *old_beacon;
1033 struct probe_resp *old_probe_resp;
1034 struct cfg80211_chan_def chandef;
1036 sdata_assert_lock(sdata);
1038 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1041 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1043 /* abort any running channel switch */
1044 mutex_lock(&local->mtx);
1045 sdata->vif.csa_active = false;
1046 if (sdata->csa_block_tx) {
1047 ieee80211_wake_vif_queues(local, sdata,
1048 IEEE80211_QUEUE_STOP_REASON_CSA);
1049 sdata->csa_block_tx = false;
1052 mutex_unlock(&local->mtx);
1054 kfree(sdata->u.ap.next_beacon);
1055 sdata->u.ap.next_beacon = NULL;
1057 /* turn off carrier for this interface and dependent VLANs */
1058 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1059 netif_carrier_off(vlan->dev);
1060 netif_carrier_off(dev);
1062 /* remove beacon and probe response */
1063 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1064 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1065 kfree_rcu(old_beacon, rcu_head);
1067 kfree_rcu(old_probe_resp, rcu_head);
1068 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1070 __sta_info_flush(sdata, true);
1071 ieee80211_free_keys(sdata, true);
1073 sdata->vif.bss_conf.enable_beacon = false;
1074 sdata->vif.bss_conf.ssid_len = 0;
1075 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1076 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1078 if (sdata->wdev.cac_started) {
1079 chandef = sdata->vif.bss_conf.chandef;
1080 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1081 cfg80211_cac_event(sdata->dev, &chandef,
1082 NL80211_RADAR_CAC_ABORTED,
1086 drv_stop_ap(sdata->local, sdata);
1088 /* free all potentially still buffered bcast frames */
1089 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1090 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1092 mutex_lock(&local->mtx);
1093 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1094 ieee80211_vif_release_channel(sdata);
1095 mutex_unlock(&local->mtx);
1100 static int sta_apply_auth_flags(struct ieee80211_local *local,
1101 struct sta_info *sta,
1106 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1107 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1108 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1109 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1114 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1115 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1116 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1118 * When peer becomes associated, init rate control as
1119 * well. Some drivers require rate control initialized
1120 * before drv_sta_state() is called.
1122 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1123 rate_control_rate_init(sta);
1125 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1130 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1131 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1132 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1133 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1134 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1141 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1142 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1143 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1144 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1149 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1150 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1151 test_sta_flag(sta, WLAN_STA_AUTH)) {
1152 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1160 static void sta_apply_mesh_params(struct ieee80211_local *local,
1161 struct sta_info *sta,
1162 struct station_parameters *params)
1164 #ifdef CONFIG_MAC80211_MESH
1165 struct ieee80211_sub_if_data *sdata = sta->sdata;
1168 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1169 switch (params->plink_state) {
1170 case NL80211_PLINK_ESTAB:
1171 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1172 changed = mesh_plink_inc_estab_count(sdata);
1173 sta->mesh->plink_state = params->plink_state;
1174 sta->mesh->aid = params->peer_aid;
1176 ieee80211_mps_sta_status_update(sta);
1177 changed |= ieee80211_mps_set_sta_local_pm(sta,
1178 sdata->u.mesh.mshcfg.power_mode);
1180 case NL80211_PLINK_LISTEN:
1181 case NL80211_PLINK_BLOCKED:
1182 case NL80211_PLINK_OPN_SNT:
1183 case NL80211_PLINK_OPN_RCVD:
1184 case NL80211_PLINK_CNF_RCVD:
1185 case NL80211_PLINK_HOLDING:
1186 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1187 changed = mesh_plink_dec_estab_count(sdata);
1188 sta->mesh->plink_state = params->plink_state;
1190 ieee80211_mps_sta_status_update(sta);
1191 changed |= ieee80211_mps_set_sta_local_pm(sta,
1192 NL80211_MESH_POWER_UNKNOWN);
1200 switch (params->plink_action) {
1201 case NL80211_PLINK_ACTION_NO_ACTION:
1204 case NL80211_PLINK_ACTION_OPEN:
1205 changed |= mesh_plink_open(sta);
1207 case NL80211_PLINK_ACTION_BLOCK:
1208 changed |= mesh_plink_block(sta);
1212 if (params->local_pm)
1213 changed |= ieee80211_mps_set_sta_local_pm(sta,
1216 ieee80211_mbss_info_change_notify(sdata, changed);
1220 static int sta_apply_parameters(struct ieee80211_local *local,
1221 struct sta_info *sta,
1222 struct station_parameters *params)
1225 struct ieee80211_supported_band *sband;
1226 struct ieee80211_sub_if_data *sdata = sta->sdata;
1229 sband = ieee80211_get_sband(sdata);
1233 mask = params->sta_flags_mask;
1234 set = params->sta_flags_set;
1236 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1238 * In mesh mode, ASSOCIATED isn't part of the nl80211
1239 * API but must follow AUTHENTICATED for driver state.
1241 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1242 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1243 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1244 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1245 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1247 * TDLS -- everything follows authorized, but
1248 * only becoming authorized is possible, not
1251 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1252 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1253 BIT(NL80211_STA_FLAG_ASSOCIATED);
1254 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1255 BIT(NL80211_STA_FLAG_ASSOCIATED);
1259 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1260 local->hw.queues >= IEEE80211_NUM_ACS)
1261 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1263 /* auth flags will be set later for TDLS,
1264 * and for unassociated stations that move to assocaited */
1265 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1266 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1267 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1268 ret = sta_apply_auth_flags(local, sta, mask, set);
1273 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1274 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1275 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1277 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1280 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1281 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1282 if (set & BIT(NL80211_STA_FLAG_MFP))
1283 set_sta_flag(sta, WLAN_STA_MFP);
1285 clear_sta_flag(sta, WLAN_STA_MFP);
1288 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1289 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1290 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1292 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1295 /* mark TDLS channel switch support, if the AP allows it */
1296 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1297 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1298 params->ext_capab_len >= 4 &&
1299 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1300 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1302 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1303 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1304 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1305 params->ext_capab_len >= 8 &&
1306 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1307 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1309 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1310 sta->sta.uapsd_queues = params->uapsd_queues;
1311 sta->sta.max_sp = params->max_sp;
1314 /* The sender might not have sent the last bit, consider it to be 0 */
1315 if (params->ext_capab_len >= 8) {
1316 u8 val = (params->ext_capab[7] &
1317 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1319 /* we did get all the bits, take the MSB as well */
1320 if (params->ext_capab_len >= 9) {
1321 u8 val_msb = params->ext_capab[8] &
1322 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1329 sta->sta.max_amsdu_subframes = 32;
1332 sta->sta.max_amsdu_subframes = 16;
1335 sta->sta.max_amsdu_subframes = 8;
1338 sta->sta.max_amsdu_subframes = 0;
1343 * cfg80211 validates this (1-2007) and allows setting the AID
1344 * only when creating a new station entry
1347 sta->sta.aid = params->aid;
1350 * Some of the following updates would be racy if called on an
1351 * existing station, via ieee80211_change_station(). However,
1352 * all such changes are rejected by cfg80211 except for updates
1353 * changing the supported rates on an existing but not yet used
1357 if (params->listen_interval >= 0)
1358 sta->listen_interval = params->listen_interval;
1360 if (params->supported_rates) {
1361 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1362 sband, params->supported_rates,
1363 params->supported_rates_len,
1364 &sta->sta.supp_rates[sband->band]);
1367 if (params->ht_capa)
1368 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1369 params->ht_capa, sta);
1371 /* VHT can override some HT caps such as the A-MSDU max length */
1372 if (params->vht_capa)
1373 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1374 params->vht_capa, sta);
1376 if (params->he_capa)
1377 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1378 (void *)params->he_capa,
1379 params->he_capa_len, sta);
1381 if (params->opmode_notif_used) {
1382 /* returned value is only needed for rc update, but the
1383 * rc isn't initialized here yet, so ignore it
1385 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1389 if (params->support_p2p_ps >= 0)
1390 sta->sta.support_p2p_ps = params->support_p2p_ps;
1392 if (ieee80211_vif_is_mesh(&sdata->vif))
1393 sta_apply_mesh_params(local, sta, params);
1395 /* set the STA state after all sta info from usermode has been set */
1396 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1397 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1398 ret = sta_apply_auth_flags(local, sta, mask, set);
1406 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1408 struct station_parameters *params)
1410 struct ieee80211_local *local = wiphy_priv(wiphy);
1411 struct sta_info *sta;
1412 struct ieee80211_sub_if_data *sdata;
1416 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1418 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1419 sdata->vif.type != NL80211_IFTYPE_AP)
1422 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1424 if (ether_addr_equal(mac, sdata->vif.addr))
1427 if (is_multicast_ether_addr(mac))
1430 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1431 sdata->vif.type == NL80211_IFTYPE_STATION &&
1432 !sdata->u.mgd.associated)
1435 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1439 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1440 sta->sta.tdls = true;
1442 err = sta_apply_parameters(local, sta, params);
1444 sta_info_free(local, sta);
1449 * for TDLS and for unassociated station, rate control should be
1450 * initialized only when rates are known and station is marked
1451 * authorized/associated
1453 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1454 test_sta_flag(sta, WLAN_STA_ASSOC))
1455 rate_control_rate_init(sta);
1457 err = sta_info_insert_rcu(sta);
1468 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1469 struct station_del_parameters *params)
1471 struct ieee80211_sub_if_data *sdata;
1473 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1476 return sta_info_destroy_addr_bss(sdata, params->mac);
1478 sta_info_flush(sdata);
1482 static int ieee80211_change_station(struct wiphy *wiphy,
1483 struct net_device *dev, const u8 *mac,
1484 struct station_parameters *params)
1486 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1487 struct ieee80211_local *local = wiphy_priv(wiphy);
1488 struct sta_info *sta;
1489 struct ieee80211_sub_if_data *vlansdata;
1490 enum cfg80211_station_type statype;
1493 mutex_lock(&local->sta_mtx);
1495 sta = sta_info_get_bss(sdata, mac);
1501 switch (sdata->vif.type) {
1502 case NL80211_IFTYPE_MESH_POINT:
1503 if (sdata->u.mesh.user_mpm)
1504 statype = CFG80211_STA_MESH_PEER_USER;
1506 statype = CFG80211_STA_MESH_PEER_KERNEL;
1508 case NL80211_IFTYPE_ADHOC:
1509 statype = CFG80211_STA_IBSS;
1511 case NL80211_IFTYPE_STATION:
1512 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1513 statype = CFG80211_STA_AP_STA;
1516 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1517 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1519 statype = CFG80211_STA_TDLS_PEER_SETUP;
1521 case NL80211_IFTYPE_AP:
1522 case NL80211_IFTYPE_AP_VLAN:
1523 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1524 statype = CFG80211_STA_AP_CLIENT;
1526 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1533 err = cfg80211_check_station_change(wiphy, params, statype);
1537 if (params->vlan && params->vlan != sta->sdata->dev) {
1538 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1540 if (params->vlan->ieee80211_ptr->use_4addr) {
1541 if (vlansdata->u.vlan.sta) {
1546 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1547 __ieee80211_check_fast_rx_iface(vlansdata);
1550 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1551 sta->sdata->u.vlan.sta) {
1552 ieee80211_clear_fast_rx(sta);
1553 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1556 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1557 ieee80211_vif_dec_num_mcast(sta->sdata);
1559 sta->sdata = vlansdata;
1560 ieee80211_check_fast_xmit(sta);
1562 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1563 ieee80211_vif_inc_num_mcast(sta->sdata);
1564 cfg80211_send_layer2_update(sta->sdata->dev,
1569 err = sta_apply_parameters(local, sta, params);
1573 mutex_unlock(&local->sta_mtx);
1575 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1576 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1577 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1578 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1579 sta_info_tx_streams(sta) != 1) {
1581 "%pM just authorized and MIMO capable - update SMPS\n",
1583 ieee80211_send_smps_action(sta->sdata,
1584 sta->sdata->bss->req_smps,
1586 sta->sdata->vif.bss_conf.bssid);
1589 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1590 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1591 ieee80211_recalc_ps(local);
1592 ieee80211_recalc_ps_vif(sdata);
1597 mutex_unlock(&local->sta_mtx);
1601 #ifdef CONFIG_MAC80211_MESH
1602 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1603 const u8 *dst, const u8 *next_hop)
1605 struct ieee80211_sub_if_data *sdata;
1606 struct mesh_path *mpath;
1607 struct sta_info *sta;
1609 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1612 sta = sta_info_get(sdata, next_hop);
1618 mpath = mesh_path_add(sdata, dst);
1619 if (IS_ERR(mpath)) {
1621 return PTR_ERR(mpath);
1624 mesh_path_fix_nexthop(mpath, sta);
1630 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1633 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636 return mesh_path_del(sdata, dst);
1638 mesh_path_flush_by_iface(sdata);
1642 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1643 const u8 *dst, const u8 *next_hop)
1645 struct ieee80211_sub_if_data *sdata;
1646 struct mesh_path *mpath;
1647 struct sta_info *sta;
1649 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1653 sta = sta_info_get(sdata, next_hop);
1659 mpath = mesh_path_lookup(sdata, dst);
1665 mesh_path_fix_nexthop(mpath, sta);
1671 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1672 struct mpath_info *pinfo)
1674 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1677 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1679 eth_zero_addr(next_hop);
1681 memset(pinfo, 0, sizeof(*pinfo));
1683 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1685 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1688 MPATH_INFO_EXPTIME |
1689 MPATH_INFO_DISCOVERY_TIMEOUT |
1690 MPATH_INFO_DISCOVERY_RETRIES |
1693 pinfo->frame_qlen = mpath->frame_queue.qlen;
1694 pinfo->sn = mpath->sn;
1695 pinfo->metric = mpath->metric;
1696 if (time_before(jiffies, mpath->exp_time))
1697 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1698 pinfo->discovery_timeout =
1699 jiffies_to_msecs(mpath->discovery_timeout);
1700 pinfo->discovery_retries = mpath->discovery_retries;
1701 if (mpath->flags & MESH_PATH_ACTIVE)
1702 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1703 if (mpath->flags & MESH_PATH_RESOLVING)
1704 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1705 if (mpath->flags & MESH_PATH_SN_VALID)
1706 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1707 if (mpath->flags & MESH_PATH_FIXED)
1708 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1709 if (mpath->flags & MESH_PATH_RESOLVED)
1710 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1713 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1714 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1717 struct ieee80211_sub_if_data *sdata;
1718 struct mesh_path *mpath;
1720 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1723 mpath = mesh_path_lookup(sdata, dst);
1728 memcpy(dst, mpath->dst, ETH_ALEN);
1729 mpath_set_pinfo(mpath, next_hop, pinfo);
1734 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1735 int idx, u8 *dst, u8 *next_hop,
1736 struct mpath_info *pinfo)
1738 struct ieee80211_sub_if_data *sdata;
1739 struct mesh_path *mpath;
1741 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1744 mpath = mesh_path_lookup_by_idx(sdata, idx);
1749 memcpy(dst, mpath->dst, ETH_ALEN);
1750 mpath_set_pinfo(mpath, next_hop, pinfo);
1755 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1756 struct mpath_info *pinfo)
1758 memset(pinfo, 0, sizeof(*pinfo));
1759 memcpy(mpp, mpath->mpp, ETH_ALEN);
1761 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1764 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1765 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1768 struct ieee80211_sub_if_data *sdata;
1769 struct mesh_path *mpath;
1771 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1774 mpath = mpp_path_lookup(sdata, dst);
1779 memcpy(dst, mpath->dst, ETH_ALEN);
1780 mpp_set_pinfo(mpath, mpp, pinfo);
1785 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1786 int idx, u8 *dst, u8 *mpp,
1787 struct mpath_info *pinfo)
1789 struct ieee80211_sub_if_data *sdata;
1790 struct mesh_path *mpath;
1792 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1795 mpath = mpp_path_lookup_by_idx(sdata, idx);
1800 memcpy(dst, mpath->dst, ETH_ALEN);
1801 mpp_set_pinfo(mpath, mpp, pinfo);
1806 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1807 struct net_device *dev,
1808 struct mesh_config *conf)
1810 struct ieee80211_sub_if_data *sdata;
1811 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1813 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1817 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1819 return (mask >> (parm-1)) & 0x1;
1822 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1823 const struct mesh_setup *setup)
1826 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1827 struct ieee80211_sub_if_data, u.mesh);
1829 /* allocate information elements */
1832 if (setup->ie_len) {
1833 new_ie = kmemdup(setup->ie, setup->ie_len,
1838 ifmsh->ie_len = setup->ie_len;
1841 /* now copy the rest of the setup parameters */
1842 ifmsh->mesh_id_len = setup->mesh_id_len;
1843 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1844 ifmsh->mesh_sp_id = setup->sync_method;
1845 ifmsh->mesh_pp_id = setup->path_sel_proto;
1846 ifmsh->mesh_pm_id = setup->path_metric;
1847 ifmsh->user_mpm = setup->user_mpm;
1848 ifmsh->mesh_auth_id = setup->auth_id;
1849 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1850 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1851 if (setup->is_authenticated)
1852 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1853 if (setup->is_secure)
1854 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1856 /* mcast rate setting in Mesh Node */
1857 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1858 sizeof(setup->mcast_rate));
1859 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1861 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1862 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1867 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1868 struct net_device *dev, u32 mask,
1869 const struct mesh_config *nconf)
1871 struct mesh_config *conf;
1872 struct ieee80211_sub_if_data *sdata;
1873 struct ieee80211_if_mesh *ifmsh;
1875 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1876 ifmsh = &sdata->u.mesh;
1878 /* Set the config options which we are interested in setting */
1879 conf = &(sdata->u.mesh.mshcfg);
1880 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1881 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1882 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1883 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1884 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1885 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1886 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1887 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1888 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1889 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1890 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1891 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1892 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1893 conf->element_ttl = nconf->element_ttl;
1894 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1895 if (ifmsh->user_mpm)
1897 conf->auto_open_plinks = nconf->auto_open_plinks;
1899 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1900 conf->dot11MeshNbrOffsetMaxNeighbor =
1901 nconf->dot11MeshNbrOffsetMaxNeighbor;
1902 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1903 conf->dot11MeshHWMPmaxPREQretries =
1904 nconf->dot11MeshHWMPmaxPREQretries;
1905 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1906 conf->path_refresh_time = nconf->path_refresh_time;
1907 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1908 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1909 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1910 conf->dot11MeshHWMPactivePathTimeout =
1911 nconf->dot11MeshHWMPactivePathTimeout;
1912 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1913 conf->dot11MeshHWMPpreqMinInterval =
1914 nconf->dot11MeshHWMPpreqMinInterval;
1915 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1916 conf->dot11MeshHWMPperrMinInterval =
1917 nconf->dot11MeshHWMPperrMinInterval;
1918 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1920 conf->dot11MeshHWMPnetDiameterTraversalTime =
1921 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1922 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1923 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1924 ieee80211_mesh_root_setup(ifmsh);
1926 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1927 /* our current gate announcement implementation rides on root
1928 * announcements, so require this ifmsh to also be a root node
1930 if (nconf->dot11MeshGateAnnouncementProtocol &&
1931 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1932 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1933 ieee80211_mesh_root_setup(ifmsh);
1935 conf->dot11MeshGateAnnouncementProtocol =
1936 nconf->dot11MeshGateAnnouncementProtocol;
1938 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1939 conf->dot11MeshHWMPRannInterval =
1940 nconf->dot11MeshHWMPRannInterval;
1941 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1942 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1943 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1944 /* our RSSI threshold implementation is supported only for
1945 * devices that report signal in dBm.
1947 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1949 conf->rssi_threshold = nconf->rssi_threshold;
1951 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1952 conf->ht_opmode = nconf->ht_opmode;
1953 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1954 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1956 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1957 conf->dot11MeshHWMPactivePathToRootTimeout =
1958 nconf->dot11MeshHWMPactivePathToRootTimeout;
1959 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1960 conf->dot11MeshHWMProotInterval =
1961 nconf->dot11MeshHWMProotInterval;
1962 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1963 conf->dot11MeshHWMPconfirmationInterval =
1964 nconf->dot11MeshHWMPconfirmationInterval;
1965 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1966 conf->power_mode = nconf->power_mode;
1967 ieee80211_mps_local_status_update(sdata);
1969 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1970 conf->dot11MeshAwakeWindowDuration =
1971 nconf->dot11MeshAwakeWindowDuration;
1972 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1973 conf->plink_timeout = nconf->plink_timeout;
1974 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1978 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1979 const struct mesh_config *conf,
1980 const struct mesh_setup *setup)
1982 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1983 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1986 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1987 err = copy_mesh_setup(ifmsh, setup);
1991 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
1993 /* can mesh use other SMPS modes? */
1994 sdata->smps_mode = IEEE80211_SMPS_OFF;
1995 sdata->needed_rx_chains = sdata->local->rx_chains;
1997 mutex_lock(&sdata->local->mtx);
1998 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1999 IEEE80211_CHANCTX_SHARED);
2000 mutex_unlock(&sdata->local->mtx);
2004 return ieee80211_start_mesh(sdata);
2007 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2009 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2011 ieee80211_stop_mesh(sdata);
2012 mutex_lock(&sdata->local->mtx);
2013 ieee80211_vif_release_channel(sdata);
2014 kfree(sdata->u.mesh.ie);
2015 mutex_unlock(&sdata->local->mtx);
2021 static int ieee80211_change_bss(struct wiphy *wiphy,
2022 struct net_device *dev,
2023 struct bss_parameters *params)
2025 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2026 struct ieee80211_supported_band *sband;
2029 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2032 sband = ieee80211_get_sband(sdata);
2036 if (params->use_cts_prot >= 0) {
2037 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2038 changed |= BSS_CHANGED_ERP_CTS_PROT;
2040 if (params->use_short_preamble >= 0) {
2041 sdata->vif.bss_conf.use_short_preamble =
2042 params->use_short_preamble;
2043 changed |= BSS_CHANGED_ERP_PREAMBLE;
2046 if (!sdata->vif.bss_conf.use_short_slot &&
2047 sband->band == NL80211_BAND_5GHZ) {
2048 sdata->vif.bss_conf.use_short_slot = true;
2049 changed |= BSS_CHANGED_ERP_SLOT;
2052 if (params->use_short_slot_time >= 0) {
2053 sdata->vif.bss_conf.use_short_slot =
2054 params->use_short_slot_time;
2055 changed |= BSS_CHANGED_ERP_SLOT;
2058 if (params->basic_rates) {
2059 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2060 wiphy->bands[sband->band],
2061 params->basic_rates,
2062 params->basic_rates_len,
2063 &sdata->vif.bss_conf.basic_rates);
2064 changed |= BSS_CHANGED_BASIC_RATES;
2065 ieee80211_check_rate_mask(sdata);
2068 if (params->ap_isolate >= 0) {
2069 if (params->ap_isolate)
2070 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2072 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2073 ieee80211_check_fast_rx_iface(sdata);
2076 if (params->ht_opmode >= 0) {
2077 sdata->vif.bss_conf.ht_operation_mode =
2078 (u16) params->ht_opmode;
2079 changed |= BSS_CHANGED_HT;
2082 if (params->p2p_ctwindow >= 0) {
2083 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2084 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2085 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2086 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2087 changed |= BSS_CHANGED_P2P_PS;
2090 if (params->p2p_opp_ps > 0) {
2091 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2092 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2093 changed |= BSS_CHANGED_P2P_PS;
2094 } else if (params->p2p_opp_ps == 0) {
2095 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2096 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2097 changed |= BSS_CHANGED_P2P_PS;
2100 ieee80211_bss_info_change_notify(sdata, changed);
2105 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2106 struct net_device *dev,
2107 struct ieee80211_txq_params *params)
2109 struct ieee80211_local *local = wiphy_priv(wiphy);
2110 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2111 struct ieee80211_tx_queue_params p;
2113 if (!local->ops->conf_tx)
2116 if (local->hw.queues < IEEE80211_NUM_ACS)
2119 memset(&p, 0, sizeof(p));
2120 p.aifs = params->aifs;
2121 p.cw_max = params->cwmax;
2122 p.cw_min = params->cwmin;
2123 p.txop = params->txop;
2126 * Setting tx queue params disables u-apsd because it's only
2127 * called in master mode.
2131 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2133 sdata->tx_conf[params->ac] = p;
2134 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2135 wiphy_debug(local->hw.wiphy,
2136 "failed to set TX queue parameters for AC %d\n",
2141 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2147 static int ieee80211_suspend(struct wiphy *wiphy,
2148 struct cfg80211_wowlan *wowlan)
2150 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2153 static int ieee80211_resume(struct wiphy *wiphy)
2155 return __ieee80211_resume(wiphy_priv(wiphy));
2158 #define ieee80211_suspend NULL
2159 #define ieee80211_resume NULL
2162 static int ieee80211_scan(struct wiphy *wiphy,
2163 struct cfg80211_scan_request *req)
2165 struct ieee80211_sub_if_data *sdata;
2167 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2169 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2170 case NL80211_IFTYPE_STATION:
2171 case NL80211_IFTYPE_ADHOC:
2172 case NL80211_IFTYPE_MESH_POINT:
2173 case NL80211_IFTYPE_P2P_CLIENT:
2174 case NL80211_IFTYPE_P2P_DEVICE:
2176 case NL80211_IFTYPE_P2P_GO:
2177 if (sdata->local->ops->hw_scan)
2180 * FIXME: implement NoA while scanning in software,
2181 * for now fall through to allow scanning only when
2182 * beaconing hasn't been configured yet
2185 case NL80211_IFTYPE_AP:
2187 * If the scan has been forced (and the driver supports
2188 * forcing), don't care about being beaconing already.
2189 * This will create problems to the attached stations (e.g. all
2190 * the frames sent while scanning on other channel will be
2193 if (sdata->u.ap.beacon &&
2194 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2195 !(req->flags & NL80211_SCAN_FLAG_AP)))
2198 case NL80211_IFTYPE_NAN:
2203 return ieee80211_request_scan(sdata, req);
2206 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2208 ieee80211_scan_cancel(wiphy_priv(wiphy));
2212 ieee80211_sched_scan_start(struct wiphy *wiphy,
2213 struct net_device *dev,
2214 struct cfg80211_sched_scan_request *req)
2216 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2218 if (!sdata->local->ops->sched_scan_start)
2221 return ieee80211_request_sched_scan_start(sdata, req);
2225 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2228 struct ieee80211_local *local = wiphy_priv(wiphy);
2230 if (!local->ops->sched_scan_stop)
2233 return ieee80211_request_sched_scan_stop(local);
2236 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2237 struct cfg80211_auth_request *req)
2239 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2242 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2243 struct cfg80211_assoc_request *req)
2245 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2248 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2249 struct cfg80211_deauth_request *req)
2251 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2254 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2255 struct cfg80211_disassoc_request *req)
2257 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2260 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2261 struct cfg80211_ibss_params *params)
2263 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2266 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2268 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2271 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2272 struct ocb_setup *setup)
2274 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2277 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2279 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2282 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2283 int rate[NUM_NL80211_BANDS])
2285 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2287 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2288 sizeof(int) * NUM_NL80211_BANDS);
2290 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2295 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2297 struct ieee80211_local *local = wiphy_priv(wiphy);
2300 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2301 ieee80211_check_fast_xmit_all(local);
2303 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2306 ieee80211_check_fast_xmit_all(local);
2311 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2312 (changed & WIPHY_PARAM_DYN_ACK)) {
2315 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2316 wiphy->coverage_class : -1;
2317 err = drv_set_coverage_class(local, coverage_class);
2323 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2324 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2330 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2331 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2333 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2335 if (changed & WIPHY_PARAM_RETRY_LONG) {
2336 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2338 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2341 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2342 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2344 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2345 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2346 WIPHY_PARAM_TXQ_QUANTUM))
2347 ieee80211_txq_set_params(local);
2352 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2353 struct wireless_dev *wdev,
2354 enum nl80211_tx_power_setting type, int mbm)
2356 struct ieee80211_local *local = wiphy_priv(wiphy);
2357 struct ieee80211_sub_if_data *sdata;
2358 enum nl80211_tx_power_setting txp_type = type;
2359 bool update_txp_type = false;
2360 bool has_monitor = false;
2363 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2365 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2366 sdata = rtnl_dereference(local->monitor_sdata);
2372 case NL80211_TX_POWER_AUTOMATIC:
2373 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2374 txp_type = NL80211_TX_POWER_LIMITED;
2376 case NL80211_TX_POWER_LIMITED:
2377 case NL80211_TX_POWER_FIXED:
2378 if (mbm < 0 || (mbm % 100))
2380 sdata->user_power_level = MBM_TO_DBM(mbm);
2384 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2385 update_txp_type = true;
2386 sdata->vif.bss_conf.txpower_type = txp_type;
2389 ieee80211_recalc_txpower(sdata, update_txp_type);
2395 case NL80211_TX_POWER_AUTOMATIC:
2396 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2397 txp_type = NL80211_TX_POWER_LIMITED;
2399 case NL80211_TX_POWER_LIMITED:
2400 case NL80211_TX_POWER_FIXED:
2401 if (mbm < 0 || (mbm % 100))
2403 local->user_power_level = MBM_TO_DBM(mbm);
2407 mutex_lock(&local->iflist_mtx);
2408 list_for_each_entry(sdata, &local->interfaces, list) {
2409 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2413 sdata->user_power_level = local->user_power_level;
2414 if (txp_type != sdata->vif.bss_conf.txpower_type)
2415 update_txp_type = true;
2416 sdata->vif.bss_conf.txpower_type = txp_type;
2418 list_for_each_entry(sdata, &local->interfaces, list) {
2419 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2421 ieee80211_recalc_txpower(sdata, update_txp_type);
2423 mutex_unlock(&local->iflist_mtx);
2426 sdata = rtnl_dereference(local->monitor_sdata);
2428 sdata->user_power_level = local->user_power_level;
2429 if (txp_type != sdata->vif.bss_conf.txpower_type)
2430 update_txp_type = true;
2431 sdata->vif.bss_conf.txpower_type = txp_type;
2433 ieee80211_recalc_txpower(sdata, update_txp_type);
2440 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2441 struct wireless_dev *wdev,
2444 struct ieee80211_local *local = wiphy_priv(wiphy);
2445 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2447 if (local->ops->get_txpower)
2448 return drv_get_txpower(local, sdata, dbm);
2450 if (!local->use_chanctx)
2451 *dbm = local->hw.conf.power_level;
2453 *dbm = sdata->vif.bss_conf.txpower;
2458 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2461 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2463 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2468 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2470 struct ieee80211_local *local = wiphy_priv(wiphy);
2472 drv_rfkill_poll(local);
2475 #ifdef CONFIG_NL80211_TESTMODE
2476 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2477 struct wireless_dev *wdev,
2478 void *data, int len)
2480 struct ieee80211_local *local = wiphy_priv(wiphy);
2481 struct ieee80211_vif *vif = NULL;
2483 if (!local->ops->testmode_cmd)
2487 struct ieee80211_sub_if_data *sdata;
2489 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2490 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2494 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2497 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2498 struct sk_buff *skb,
2499 struct netlink_callback *cb,
2500 void *data, int len)
2502 struct ieee80211_local *local = wiphy_priv(wiphy);
2504 if (!local->ops->testmode_dump)
2507 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2511 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2512 enum ieee80211_smps_mode smps_mode)
2514 struct sta_info *sta;
2515 enum ieee80211_smps_mode old_req;
2517 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2520 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2523 old_req = sdata->u.ap.req_smps;
2524 sdata->u.ap.req_smps = smps_mode;
2526 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2527 if (old_req == smps_mode ||
2528 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2532 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2533 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2535 mutex_lock(&sdata->local->sta_mtx);
2536 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2538 * Only stations associated to our AP and
2541 if (sta->sdata->bss != &sdata->u.ap)
2544 /* This station doesn't support MIMO - skip it */
2545 if (sta_info_tx_streams(sta) == 1)
2549 * Don't wake up a STA just to send the action frame
2550 * unless we are getting more restrictive.
2552 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2553 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2555 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2561 * If the STA is not authorized, wait until it gets
2562 * authorized and the action frame will be sent then.
2564 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2567 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2568 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2569 sdata->vif.bss_conf.bssid);
2571 mutex_unlock(&sdata->local->sta_mtx);
2573 sdata->smps_mode = smps_mode;
2574 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2579 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2580 enum ieee80211_smps_mode smps_mode)
2583 enum ieee80211_smps_mode old_req;
2585 struct sta_info *sta;
2586 bool tdls_peer_found = false;
2588 lockdep_assert_held(&sdata->wdev.mtx);
2590 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2593 old_req = sdata->u.mgd.req_smps;
2594 sdata->u.mgd.req_smps = smps_mode;
2596 if (old_req == smps_mode &&
2597 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2601 * If not associated, or current association is not an HT
2602 * association, there's no need to do anything, just store
2603 * the new value until we associate.
2605 if (!sdata->u.mgd.associated ||
2606 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2609 ap = sdata->u.mgd.associated->bssid;
2612 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2613 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2614 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2617 tdls_peer_found = true;
2622 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2623 if (tdls_peer_found || !sdata->u.mgd.powersave)
2624 smps_mode = IEEE80211_SMPS_OFF;
2626 smps_mode = IEEE80211_SMPS_DYNAMIC;
2629 /* send SM PS frame to AP */
2630 err = ieee80211_send_smps_action(sdata, smps_mode,
2633 sdata->u.mgd.req_smps = old_req;
2634 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2635 ieee80211_teardown_tdls_peers(sdata);
2640 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2641 bool enabled, int timeout)
2643 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2644 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2646 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2649 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2652 if (enabled == sdata->u.mgd.powersave &&
2653 timeout == local->dynamic_ps_forced_timeout)
2656 sdata->u.mgd.powersave = enabled;
2657 local->dynamic_ps_forced_timeout = timeout;
2659 /* no change, but if automatic follow powersave */
2661 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2662 sdata_unlock(sdata);
2664 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2665 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2667 ieee80211_recalc_ps(local);
2668 ieee80211_recalc_ps_vif(sdata);
2669 ieee80211_check_fast_rx_iface(sdata);
2674 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2675 struct net_device *dev,
2676 s32 rssi_thold, u32 rssi_hyst)
2678 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2679 struct ieee80211_vif *vif = &sdata->vif;
2680 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2682 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2683 rssi_hyst == bss_conf->cqm_rssi_hyst)
2686 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2687 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2690 bss_conf->cqm_rssi_thold = rssi_thold;
2691 bss_conf->cqm_rssi_hyst = rssi_hyst;
2692 bss_conf->cqm_rssi_low = 0;
2693 bss_conf->cqm_rssi_high = 0;
2694 sdata->u.mgd.last_cqm_event_signal = 0;
2696 /* tell the driver upon association, unless already associated */
2697 if (sdata->u.mgd.associated &&
2698 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2699 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2704 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2705 struct net_device *dev,
2706 s32 rssi_low, s32 rssi_high)
2708 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2709 struct ieee80211_vif *vif = &sdata->vif;
2710 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2712 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2715 bss_conf->cqm_rssi_low = rssi_low;
2716 bss_conf->cqm_rssi_high = rssi_high;
2717 bss_conf->cqm_rssi_thold = 0;
2718 bss_conf->cqm_rssi_hyst = 0;
2719 sdata->u.mgd.last_cqm_event_signal = 0;
2721 /* tell the driver upon association, unless already associated */
2722 if (sdata->u.mgd.associated &&
2723 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2724 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2729 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2730 struct net_device *dev,
2732 const struct cfg80211_bitrate_mask *mask)
2734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2735 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2738 if (!ieee80211_sdata_running(sdata))
2742 * If active validate the setting and reject it if it doesn't leave
2743 * at least one basic rate usable, since we really have to be able
2744 * to send something, and if we're an AP we have to be able to do
2745 * so at a basic rate so that all clients can receive it.
2747 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2748 sdata->vif.bss_conf.chandef.chan) {
2749 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2750 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2752 if (!(mask->control[band].legacy & basic_rates))
2756 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2757 ret = drv_set_bitrate_mask(local, sdata, mask);
2762 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2763 struct ieee80211_supported_band *sband = wiphy->bands[i];
2766 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2767 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2768 sizeof(mask->control[i].ht_mcs));
2769 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2770 mask->control[i].vht_mcs,
2771 sizeof(mask->control[i].vht_mcs));
2773 sdata->rc_has_mcs_mask[i] = false;
2774 sdata->rc_has_vht_mcs_mask[i] = false;
2778 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2779 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2780 sdata->rc_has_mcs_mask[i] = true;
2785 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2786 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
2787 sdata->rc_has_vht_mcs_mask[i] = true;
2796 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2797 struct net_device *dev,
2798 struct cfg80211_chan_def *chandef,
2801 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2802 struct ieee80211_local *local = sdata->local;
2805 mutex_lock(&local->mtx);
2806 if (!list_empty(&local->roc_list) || local->scanning) {
2811 /* whatever, but channel contexts should not complain about that one */
2812 sdata->smps_mode = IEEE80211_SMPS_OFF;
2813 sdata->needed_rx_chains = local->rx_chains;
2815 err = ieee80211_vif_use_channel(sdata, chandef,
2816 IEEE80211_CHANCTX_SHARED);
2820 ieee80211_queue_delayed_work(&sdata->local->hw,
2821 &sdata->dfs_cac_timer_work,
2822 msecs_to_jiffies(cac_time_ms));
2825 mutex_unlock(&local->mtx);
2829 static void ieee80211_end_cac(struct wiphy *wiphy,
2830 struct net_device *dev)
2832 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2833 struct ieee80211_local *local = sdata->local;
2835 mutex_lock(&local->mtx);
2836 list_for_each_entry(sdata, &local->interfaces, list) {
2837 /* it might be waiting for the local->mtx, but then
2838 * by the time it gets it, sdata->wdev.cac_started
2839 * will no longer be true
2841 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2843 if (sdata->wdev.cac_started) {
2844 ieee80211_vif_release_channel(sdata);
2845 sdata->wdev.cac_started = false;
2848 mutex_unlock(&local->mtx);
2851 static struct cfg80211_beacon_data *
2852 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2854 struct cfg80211_beacon_data *new_beacon;
2858 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2859 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2860 beacon->probe_resp_len;
2862 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2866 pos = (u8 *)(new_beacon + 1);
2867 if (beacon->head_len) {
2868 new_beacon->head_len = beacon->head_len;
2869 new_beacon->head = pos;
2870 memcpy(pos, beacon->head, beacon->head_len);
2871 pos += beacon->head_len;
2873 if (beacon->tail_len) {
2874 new_beacon->tail_len = beacon->tail_len;
2875 new_beacon->tail = pos;
2876 memcpy(pos, beacon->tail, beacon->tail_len);
2877 pos += beacon->tail_len;
2879 if (beacon->beacon_ies_len) {
2880 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2881 new_beacon->beacon_ies = pos;
2882 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2883 pos += beacon->beacon_ies_len;
2885 if (beacon->proberesp_ies_len) {
2886 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2887 new_beacon->proberesp_ies = pos;
2888 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2889 pos += beacon->proberesp_ies_len;
2891 if (beacon->assocresp_ies_len) {
2892 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2893 new_beacon->assocresp_ies = pos;
2894 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2895 pos += beacon->assocresp_ies_len;
2897 if (beacon->probe_resp_len) {
2898 new_beacon->probe_resp_len = beacon->probe_resp_len;
2899 new_beacon->probe_resp = pos;
2900 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2901 pos += beacon->probe_resp_len;
2907 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2909 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2911 ieee80211_queue_work(&sdata->local->hw,
2912 &sdata->csa_finalize_work);
2914 EXPORT_SYMBOL(ieee80211_csa_finish);
2916 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2921 switch (sdata->vif.type) {
2922 case NL80211_IFTYPE_AP:
2923 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2925 kfree(sdata->u.ap.next_beacon);
2926 sdata->u.ap.next_beacon = NULL;
2932 case NL80211_IFTYPE_ADHOC:
2933 err = ieee80211_ibss_finish_csa(sdata);
2938 #ifdef CONFIG_MAC80211_MESH
2939 case NL80211_IFTYPE_MESH_POINT:
2940 err = ieee80211_mesh_finish_csa(sdata);
2954 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2956 struct ieee80211_local *local = sdata->local;
2960 sdata_assert_lock(sdata);
2961 lockdep_assert_held(&local->mtx);
2962 lockdep_assert_held(&local->chanctx_mtx);
2965 * using reservation isn't immediate as it may be deferred until later
2966 * with multi-vif. once reservation is complete it will re-schedule the
2967 * work with no reserved_chanctx so verify chandef to check if it
2968 * completed successfully
2971 if (sdata->reserved_chanctx) {
2973 * with multi-vif csa driver may call ieee80211_csa_finish()
2974 * many times while waiting for other interfaces to use their
2977 if (sdata->reserved_ready)
2980 return ieee80211_vif_use_reserved_context(sdata);
2983 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2984 &sdata->csa_chandef))
2987 sdata->vif.csa_active = false;
2989 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2993 ieee80211_bss_info_change_notify(sdata, changed);
2995 if (sdata->csa_block_tx) {
2996 ieee80211_wake_vif_queues(local, sdata,
2997 IEEE80211_QUEUE_STOP_REASON_CSA);
2998 sdata->csa_block_tx = false;
3001 err = drv_post_channel_switch(sdata);
3005 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3010 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3012 if (__ieee80211_csa_finalize(sdata)) {
3013 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3014 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3019 void ieee80211_csa_finalize_work(struct work_struct *work)
3021 struct ieee80211_sub_if_data *sdata =
3022 container_of(work, struct ieee80211_sub_if_data,
3024 struct ieee80211_local *local = sdata->local;
3027 mutex_lock(&local->mtx);
3028 mutex_lock(&local->chanctx_mtx);
3030 /* AP might have been stopped while waiting for the lock. */
3031 if (!sdata->vif.csa_active)
3034 if (!ieee80211_sdata_running(sdata))
3037 ieee80211_csa_finalize(sdata);
3040 mutex_unlock(&local->chanctx_mtx);
3041 mutex_unlock(&local->mtx);
3042 sdata_unlock(sdata);
3045 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3046 struct cfg80211_csa_settings *params,
3049 struct ieee80211_csa_settings csa = {};
3052 switch (sdata->vif.type) {
3053 case NL80211_IFTYPE_AP:
3054 sdata->u.ap.next_beacon =
3055 cfg80211_beacon_dup(¶ms->beacon_after);
3056 if (!sdata->u.ap.next_beacon)
3060 * With a count of 0, we don't have to wait for any
3061 * TBTT before switching, so complete the CSA
3062 * immediately. In theory, with a count == 1 we
3063 * should delay the switch until just before the next
3064 * TBTT, but that would complicate things so we switch
3065 * immediately too. If we would delay the switch
3066 * until the next TBTT, we would have to set the probe
3069 * TODO: A channel switch with count <= 1 without
3070 * sending a CSA action frame is kind of useless,
3071 * because the clients won't know we're changing
3072 * channels. The action frame must be implemented
3073 * either here or in the userspace.
3075 if (params->count <= 1)
3078 if ((params->n_counter_offsets_beacon >
3079 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3080 (params->n_counter_offsets_presp >
3081 IEEE80211_MAX_CSA_COUNTERS_NUM))
3084 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3085 csa.counter_offsets_presp = params->counter_offsets_presp;
3086 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3087 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3088 csa.count = params->count;
3090 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3092 kfree(sdata->u.ap.next_beacon);
3098 case NL80211_IFTYPE_ADHOC:
3099 if (!sdata->vif.bss_conf.ibss_joined)
3102 if (params->chandef.width != sdata->u.ibss.chandef.width)
3105 switch (params->chandef.width) {
3106 case NL80211_CHAN_WIDTH_40:
3107 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3108 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3110 case NL80211_CHAN_WIDTH_5:
3111 case NL80211_CHAN_WIDTH_10:
3112 case NL80211_CHAN_WIDTH_20_NOHT:
3113 case NL80211_CHAN_WIDTH_20:
3119 /* changes into another band are not supported */
3120 if (sdata->u.ibss.chandef.chan->band !=
3121 params->chandef.chan->band)
3124 /* see comments in the NL80211_IFTYPE_AP block */
3125 if (params->count > 1) {
3126 err = ieee80211_ibss_csa_beacon(sdata, params);
3132 ieee80211_send_action_csa(sdata, params);
3135 #ifdef CONFIG_MAC80211_MESH
3136 case NL80211_IFTYPE_MESH_POINT: {
3137 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3139 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3142 /* changes into another band are not supported */
3143 if (sdata->vif.bss_conf.chandef.chan->band !=
3144 params->chandef.chan->band)
3147 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3148 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3149 if (!ifmsh->pre_value)
3150 ifmsh->pre_value = 1;
3155 /* see comments in the NL80211_IFTYPE_AP block */
3156 if (params->count > 1) {
3157 err = ieee80211_mesh_csa_beacon(sdata, params);
3159 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3165 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3166 ieee80211_send_action_csa(sdata, params);
3179 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3180 struct cfg80211_csa_settings *params)
3182 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3183 struct ieee80211_local *local = sdata->local;
3184 struct ieee80211_channel_switch ch_switch;
3185 struct ieee80211_chanctx_conf *conf;
3186 struct ieee80211_chanctx *chanctx;
3190 sdata_assert_lock(sdata);
3191 lockdep_assert_held(&local->mtx);
3193 if (!list_empty(&local->roc_list) || local->scanning)
3196 if (sdata->wdev.cac_started)
3199 if (cfg80211_chandef_identical(¶ms->chandef,
3200 &sdata->vif.bss_conf.chandef))
3203 /* don't allow another channel switch if one is already active. */
3204 if (sdata->vif.csa_active)
3207 mutex_lock(&local->chanctx_mtx);
3208 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3209 lockdep_is_held(&local->chanctx_mtx));
3215 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3217 ch_switch.timestamp = 0;
3218 ch_switch.device_timestamp = 0;
3219 ch_switch.block_tx = params->block_tx;
3220 ch_switch.chandef = params->chandef;
3221 ch_switch.count = params->count;
3223 err = drv_pre_channel_switch(sdata, &ch_switch);
3227 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3229 params->radar_required);
3233 /* if reservation is invalid then this will fail */
3234 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3236 ieee80211_vif_unreserve_chanctx(sdata);
3240 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3242 ieee80211_vif_unreserve_chanctx(sdata);
3246 sdata->csa_chandef = params->chandef;
3247 sdata->csa_block_tx = params->block_tx;
3248 sdata->vif.csa_active = true;
3250 if (sdata->csa_block_tx)
3251 ieee80211_stop_vif_queues(local, sdata,
3252 IEEE80211_QUEUE_STOP_REASON_CSA);
3254 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3258 ieee80211_bss_info_change_notify(sdata, changed);
3259 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3261 /* if the beacon didn't change, we can finalize immediately */
3262 ieee80211_csa_finalize(sdata);
3266 mutex_unlock(&local->chanctx_mtx);
3270 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3271 struct cfg80211_csa_settings *params)
3273 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3274 struct ieee80211_local *local = sdata->local;
3277 mutex_lock(&local->mtx);
3278 err = __ieee80211_channel_switch(wiphy, dev, params);
3279 mutex_unlock(&local->mtx);
3284 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3286 lockdep_assert_held(&local->mtx);
3288 local->roc_cookie_counter++;
3290 /* wow, you wrapped 64 bits ... more likely a bug */
3291 if (WARN_ON(local->roc_cookie_counter == 0))
3292 local->roc_cookie_counter++;
3294 return local->roc_cookie_counter;
3297 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3298 u64 *cookie, gfp_t gfp)
3300 unsigned long spin_flags;
3301 struct sk_buff *ack_skb;
3304 ack_skb = skb_copy(skb, gfp);
3308 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3309 id = idr_alloc(&local->ack_status_frames, ack_skb,
3310 1, 0x10000, GFP_ATOMIC);
3311 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3318 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3320 *cookie = ieee80211_mgmt_tx_cookie(local);
3321 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3326 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3327 struct wireless_dev *wdev,
3328 u16 frame_type, bool reg)
3330 struct ieee80211_local *local = wiphy_priv(wiphy);
3331 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3333 switch (frame_type) {
3334 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3336 local->probe_req_reg++;
3337 sdata->vif.probe_req_reg++;
3339 if (local->probe_req_reg)
3340 local->probe_req_reg--;
3342 if (sdata->vif.probe_req_reg)
3343 sdata->vif.probe_req_reg--;
3346 if (!local->open_count)
3349 if (sdata->vif.probe_req_reg == 1)
3350 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3352 else if (sdata->vif.probe_req_reg == 0)
3353 drv_config_iface_filter(local, sdata, 0,
3356 ieee80211_configure_filter(local);
3363 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3365 struct ieee80211_local *local = wiphy_priv(wiphy);
3370 return drv_set_antenna(local, tx_ant, rx_ant);
3373 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3375 struct ieee80211_local *local = wiphy_priv(wiphy);
3377 return drv_get_antenna(local, tx_ant, rx_ant);
3380 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3381 struct net_device *dev,
3382 struct cfg80211_gtk_rekey_data *data)
3384 struct ieee80211_local *local = wiphy_priv(wiphy);
3385 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3387 if (!local->ops->set_rekey_data)
3390 drv_set_rekey_data(local, sdata, data);
3395 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3396 const u8 *peer, u64 *cookie)
3398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3399 struct ieee80211_local *local = sdata->local;
3400 struct ieee80211_qos_hdr *nullfunc;
3401 struct sk_buff *skb;
3402 int size = sizeof(*nullfunc);
3405 struct ieee80211_tx_info *info;
3406 struct sta_info *sta;
3407 struct ieee80211_chanctx_conf *chanctx_conf;
3408 enum nl80211_band band;
3411 /* the lock is needed to assign the cookie later */
3412 mutex_lock(&local->mtx);
3415 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3416 if (WARN_ON(!chanctx_conf)) {
3420 band = chanctx_conf->def.chan->band;
3421 sta = sta_info_get_bss(sdata, peer);
3430 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3431 IEEE80211_STYPE_QOS_NULLFUNC |
3432 IEEE80211_FCTL_FROMDS);
3435 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3436 IEEE80211_STYPE_NULLFUNC |
3437 IEEE80211_FCTL_FROMDS);
3440 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3448 skb_reserve(skb, local->hw.extra_tx_headroom);
3450 nullfunc = skb_put(skb, size);
3451 nullfunc->frame_control = fc;
3452 nullfunc->duration_id = 0;
3453 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3454 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3455 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3456 nullfunc->seq_ctrl = 0;
3458 info = IEEE80211_SKB_CB(skb);
3460 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3461 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3464 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3467 nullfunc->qos_ctrl = cpu_to_le16(7);
3469 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3476 ieee80211_xmit(sdata, sta, skb, 0);
3482 mutex_unlock(&local->mtx);
3487 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3488 struct wireless_dev *wdev,
3489 struct cfg80211_chan_def *chandef)
3491 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3492 struct ieee80211_local *local = wiphy_priv(wiphy);
3493 struct ieee80211_chanctx_conf *chanctx_conf;
3497 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3499 *chandef = sdata->vif.bss_conf.chandef;
3501 } else if (local->open_count > 0 &&
3502 local->open_count == local->monitors &&
3503 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3504 if (local->use_chanctx)
3505 *chandef = local->monitor_chandef;
3507 *chandef = local->_oper_chandef;
3516 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3518 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3522 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3523 struct net_device *dev,
3524 struct cfg80211_qos_map *qos_map)
3526 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3527 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3530 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3533 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3535 /* A NULL qos_map was passed to disable QoS mapping */
3539 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3540 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3542 kfree_rcu(old_qos_map, rcu_head);
3547 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3548 struct net_device *dev,
3549 struct cfg80211_chan_def *chandef)
3551 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3555 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3557 ieee80211_bss_info_change_notify(sdata, changed);
3562 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3563 u8 tsid, const u8 *peer, u8 up,
3566 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3567 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3568 int ac = ieee802_1d_to_ac[up];
3570 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3573 if (!(sdata->wmm_acm & BIT(up)))
3576 if (ifmgd->tx_tspec[ac].admitted_time)
3579 if (admitted_time) {
3580 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3581 ifmgd->tx_tspec[ac].tsid = tsid;
3582 ifmgd->tx_tspec[ac].up = up;
3588 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3589 u8 tsid, const u8 *peer)
3591 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3592 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3593 struct ieee80211_local *local = wiphy_priv(wiphy);
3596 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3597 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3599 /* skip unused entries */
3600 if (!tx_tspec->admitted_time)
3603 if (tx_tspec->tsid != tsid)
3606 /* due to this new packets will be reassigned to non-ACM ACs */
3609 /* Make sure that all packets have been sent to avoid to
3610 * restore the QoS params on packets that are still on the
3614 ieee80211_flush_queues(local, sdata, false);
3616 /* restore the normal QoS parameters
3617 * (unconditionally to avoid races)
3619 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3620 tx_tspec->downgraded = false;
3621 ieee80211_sta_handle_tspec_ac_params(sdata);
3623 /* finally clear all the data */
3624 memset(tx_tspec, 0, sizeof(*tx_tspec));
3632 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3634 enum nl80211_nan_func_term_reason reason,
3637 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3638 struct cfg80211_nan_func *func;
3641 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3644 spin_lock_bh(&sdata->u.nan.func_lock);
3646 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3647 if (WARN_ON(!func)) {
3648 spin_unlock_bh(&sdata->u.nan.func_lock);
3652 cookie = func->cookie;
3653 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3655 spin_unlock_bh(&sdata->u.nan.func_lock);
3657 cfg80211_free_nan_func(func);
3659 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3660 reason, cookie, gfp);
3662 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3664 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3665 struct cfg80211_nan_match_params *match,
3668 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3669 struct cfg80211_nan_func *func;
3671 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3674 spin_lock_bh(&sdata->u.nan.func_lock);
3676 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3677 if (WARN_ON(!func)) {
3678 spin_unlock_bh(&sdata->u.nan.func_lock);
3681 match->cookie = func->cookie;
3683 spin_unlock_bh(&sdata->u.nan.func_lock);
3685 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3687 EXPORT_SYMBOL(ieee80211_nan_func_match);
3689 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3690 struct net_device *dev,
3693 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3695 sdata->u.ap.multicast_to_unicast = enabled;
3700 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3701 struct txq_info *txqi)
3703 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3704 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3705 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3708 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3709 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3710 txqstats->backlog_packets = txqi->tin.backlog_packets;
3713 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3714 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3715 txqstats->flows = txqi->tin.flows;
3718 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3719 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3720 txqstats->drops = txqi->cstats.drop_count;
3723 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3724 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3725 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3728 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3729 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3730 txqstats->overlimit = txqi->tin.overlimit;
3733 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3734 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3735 txqstats->collisions = txqi->tin.collisions;
3738 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3739 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3740 txqstats->tx_bytes = txqi->tin.tx_bytes;
3743 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3744 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3745 txqstats->tx_packets = txqi->tin.tx_packets;
3749 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3750 struct wireless_dev *wdev,
3751 struct cfg80211_txq_stats *txqstats)
3753 struct ieee80211_local *local = wiphy_priv(wiphy);
3754 struct ieee80211_sub_if_data *sdata;
3757 if (!local->ops->wake_tx_queue)
3760 spin_lock_bh(&local->fq.lock);
3764 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3765 if (!sdata->vif.txq) {
3769 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3772 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3773 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3774 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3775 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3776 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3777 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3778 txqstats->backlog_packets = local->fq.backlog;
3779 txqstats->backlog_bytes = local->fq.memory_usage;
3780 txqstats->overlimit = local->fq.overlimit;
3781 txqstats->overmemory = local->fq.overmemory;
3782 txqstats->collisions = local->fq.collisions;
3783 txqstats->max_flows = local->fq.flows_cnt;
3788 spin_unlock_bh(&local->fq.lock);
3793 const struct cfg80211_ops mac80211_config_ops = {
3794 .add_virtual_intf = ieee80211_add_iface,
3795 .del_virtual_intf = ieee80211_del_iface,
3796 .change_virtual_intf = ieee80211_change_iface,
3797 .start_p2p_device = ieee80211_start_p2p_device,
3798 .stop_p2p_device = ieee80211_stop_p2p_device,
3799 .add_key = ieee80211_add_key,
3800 .del_key = ieee80211_del_key,
3801 .get_key = ieee80211_get_key,
3802 .set_default_key = ieee80211_config_default_key,
3803 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3804 .start_ap = ieee80211_start_ap,
3805 .change_beacon = ieee80211_change_beacon,
3806 .stop_ap = ieee80211_stop_ap,
3807 .add_station = ieee80211_add_station,
3808 .del_station = ieee80211_del_station,
3809 .change_station = ieee80211_change_station,
3810 .get_station = ieee80211_get_station,
3811 .dump_station = ieee80211_dump_station,
3812 .dump_survey = ieee80211_dump_survey,
3813 #ifdef CONFIG_MAC80211_MESH
3814 .add_mpath = ieee80211_add_mpath,
3815 .del_mpath = ieee80211_del_mpath,
3816 .change_mpath = ieee80211_change_mpath,
3817 .get_mpath = ieee80211_get_mpath,
3818 .dump_mpath = ieee80211_dump_mpath,
3819 .get_mpp = ieee80211_get_mpp,
3820 .dump_mpp = ieee80211_dump_mpp,
3821 .update_mesh_config = ieee80211_update_mesh_config,
3822 .get_mesh_config = ieee80211_get_mesh_config,
3823 .join_mesh = ieee80211_join_mesh,
3824 .leave_mesh = ieee80211_leave_mesh,
3826 .join_ocb = ieee80211_join_ocb,
3827 .leave_ocb = ieee80211_leave_ocb,
3828 .change_bss = ieee80211_change_bss,
3829 .set_txq_params = ieee80211_set_txq_params,
3830 .set_monitor_channel = ieee80211_set_monitor_channel,
3831 .suspend = ieee80211_suspend,
3832 .resume = ieee80211_resume,
3833 .scan = ieee80211_scan,
3834 .abort_scan = ieee80211_abort_scan,
3835 .sched_scan_start = ieee80211_sched_scan_start,
3836 .sched_scan_stop = ieee80211_sched_scan_stop,
3837 .auth = ieee80211_auth,
3838 .assoc = ieee80211_assoc,
3839 .deauth = ieee80211_deauth,
3840 .disassoc = ieee80211_disassoc,
3841 .join_ibss = ieee80211_join_ibss,
3842 .leave_ibss = ieee80211_leave_ibss,
3843 .set_mcast_rate = ieee80211_set_mcast_rate,
3844 .set_wiphy_params = ieee80211_set_wiphy_params,
3845 .set_tx_power = ieee80211_set_tx_power,
3846 .get_tx_power = ieee80211_get_tx_power,
3847 .set_wds_peer = ieee80211_set_wds_peer,
3848 .rfkill_poll = ieee80211_rfkill_poll,
3849 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3850 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3851 .set_power_mgmt = ieee80211_set_power_mgmt,
3852 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3853 .remain_on_channel = ieee80211_remain_on_channel,
3854 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3855 .mgmt_tx = ieee80211_mgmt_tx,
3856 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3857 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3858 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
3859 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3860 .set_antenna = ieee80211_set_antenna,
3861 .get_antenna = ieee80211_get_antenna,
3862 .set_rekey_data = ieee80211_set_rekey_data,
3863 .tdls_oper = ieee80211_tdls_oper,
3864 .tdls_mgmt = ieee80211_tdls_mgmt,
3865 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3866 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3867 .probe_client = ieee80211_probe_client,
3868 .set_noack_map = ieee80211_set_noack_map,
3870 .set_wakeup = ieee80211_set_wakeup,
3872 .get_channel = ieee80211_cfg_get_channel,
3873 .start_radar_detection = ieee80211_start_radar_detection,
3874 .end_cac = ieee80211_end_cac,
3875 .channel_switch = ieee80211_channel_switch,
3876 .set_qos_map = ieee80211_set_qos_map,
3877 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3878 .add_tx_ts = ieee80211_add_tx_ts,
3879 .del_tx_ts = ieee80211_del_tx_ts,
3880 .start_nan = ieee80211_start_nan,
3881 .stop_nan = ieee80211_stop_nan,
3882 .nan_change_conf = ieee80211_nan_change_conf,
3883 .add_nan_func = ieee80211_add_nan_func,
3884 .del_nan_func = ieee80211_del_nan_func,
3885 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
3886 .tx_control_port = ieee80211_tx_control_port,
3887 .get_txq_stats = ieee80211_get_txq_stats,