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);
668 brate = sband->bitrates[rate->idx].bitrate;
669 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
672 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
673 rinfo->bw = RATE_INFO_BW_40;
674 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
675 rinfo->bw = RATE_INFO_BW_80;
676 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
677 rinfo->bw = RATE_INFO_BW_160;
679 rinfo->bw = RATE_INFO_BW_20;
680 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
681 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
684 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
685 int idx, u8 *mac, struct station_info *sinfo)
687 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
688 struct ieee80211_local *local = sdata->local;
689 struct sta_info *sta;
692 mutex_lock(&local->sta_mtx);
694 sta = sta_info_get_by_idx(sdata, idx);
697 memcpy(mac, sta->sta.addr, ETH_ALEN);
698 sta_set_sinfo(sta, sinfo, true);
701 mutex_unlock(&local->sta_mtx);
706 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
707 int idx, struct survey_info *survey)
709 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
711 return drv_get_survey(local, idx, survey);
714 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
715 const u8 *mac, struct station_info *sinfo)
717 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
718 struct ieee80211_local *local = sdata->local;
719 struct sta_info *sta;
722 mutex_lock(&local->sta_mtx);
724 sta = sta_info_get_bss(sdata, mac);
727 sta_set_sinfo(sta, sinfo, true);
730 mutex_unlock(&local->sta_mtx);
735 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
736 struct cfg80211_chan_def *chandef)
738 struct ieee80211_local *local = wiphy_priv(wiphy);
739 struct ieee80211_sub_if_data *sdata;
742 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
745 mutex_lock(&local->mtx);
746 if (local->use_chanctx) {
747 sdata = rtnl_dereference(local->monitor_sdata);
749 ieee80211_vif_release_channel(sdata);
750 ret = ieee80211_vif_use_channel(sdata, chandef,
751 IEEE80211_CHANCTX_EXCLUSIVE);
753 } else if (local->open_count == local->monitors) {
754 local->_oper_chandef = *chandef;
755 ieee80211_hw_config(local, 0);
759 local->monitor_chandef = *chandef;
760 mutex_unlock(&local->mtx);
765 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
766 const u8 *resp, size_t resp_len,
767 const struct ieee80211_csa_settings *csa)
769 struct probe_resp *new, *old;
771 if (!resp || !resp_len)
774 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
776 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
781 memcpy(new->data, resp, resp_len);
784 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
785 csa->n_counter_offsets_presp *
786 sizeof(new->csa_counter_offsets[0]));
788 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
790 kfree_rcu(old, rcu_head);
795 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
796 struct cfg80211_beacon_data *params,
797 const struct ieee80211_csa_settings *csa)
799 struct beacon_data *new, *old;
800 int new_head_len, new_tail_len;
802 u32 changed = BSS_CHANGED_BEACON;
804 old = sdata_dereference(sdata->u.ap.beacon, sdata);
807 /* Need to have a beacon head if we don't have one yet */
808 if (!params->head && !old)
811 /* new or old head? */
813 new_head_len = params->head_len;
815 new_head_len = old->head_len;
817 /* new or old tail? */
818 if (params->tail || !old)
819 /* params->tail_len will be zero for !params->tail */
820 new_tail_len = params->tail_len;
822 new_tail_len = old->tail_len;
824 size = sizeof(*new) + new_head_len + new_tail_len;
826 new = kzalloc(size, GFP_KERNEL);
830 /* start filling the new info now */
833 * pointers go into the block we allocated,
834 * memory is | beacon_data | head | tail |
836 new->head = ((u8 *) new) + sizeof(*new);
837 new->tail = new->head + new_head_len;
838 new->head_len = new_head_len;
839 new->tail_len = new_tail_len;
842 new->csa_current_counter = csa->count;
843 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
844 csa->n_counter_offsets_beacon *
845 sizeof(new->csa_counter_offsets[0]));
850 memcpy(new->head, params->head, new_head_len);
852 memcpy(new->head, old->head, new_head_len);
854 /* copy in optional tail */
856 memcpy(new->tail, params->tail, new_tail_len);
859 memcpy(new->tail, old->tail, new_tail_len);
861 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
862 params->probe_resp_len, csa);
866 changed |= BSS_CHANGED_AP_PROBE_RESP;
868 rcu_assign_pointer(sdata->u.ap.beacon, new);
871 kfree_rcu(old, rcu_head);
876 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
877 struct cfg80211_ap_settings *params)
879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
880 struct ieee80211_local *local = sdata->local;
881 struct beacon_data *old;
882 struct ieee80211_sub_if_data *vlan;
883 u32 changed = BSS_CHANGED_BEACON_INT |
884 BSS_CHANGED_BEACON_ENABLED |
891 old = sdata_dereference(sdata->u.ap.beacon, sdata);
895 switch (params->smps_mode) {
896 case NL80211_SMPS_OFF:
897 sdata->smps_mode = IEEE80211_SMPS_OFF;
899 case NL80211_SMPS_STATIC:
900 sdata->smps_mode = IEEE80211_SMPS_STATIC;
902 case NL80211_SMPS_DYNAMIC:
903 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
908 sdata->u.ap.req_smps = sdata->smps_mode;
910 sdata->needed_rx_chains = sdata->local->rx_chains;
912 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
914 mutex_lock(&local->mtx);
915 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
916 IEEE80211_CHANCTX_SHARED);
918 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
919 mutex_unlock(&local->mtx);
924 * Apply control port protocol, this allows us to
925 * not encrypt dynamic WEP control frames.
927 sdata->control_port_protocol = params->crypto.control_port_ethertype;
928 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
929 sdata->control_port_over_nl80211 =
930 params->crypto.control_port_over_nl80211;
931 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
935 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
936 vlan->control_port_protocol =
937 params->crypto.control_port_ethertype;
938 vlan->control_port_no_encrypt =
939 params->crypto.control_port_no_encrypt;
940 vlan->control_port_over_nl80211 =
941 params->crypto.control_port_over_nl80211;
942 vlan->encrypt_headroom =
943 ieee80211_cs_headroom(sdata->local,
948 sdata->vif.bss_conf.dtim_period = params->dtim_period;
949 sdata->vif.bss_conf.enable_beacon = true;
950 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
952 sdata->vif.bss_conf.ssid_len = params->ssid_len;
953 if (params->ssid_len)
954 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
956 sdata->vif.bss_conf.hidden_ssid =
957 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
959 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
960 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
961 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
962 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
963 if (params->p2p_opp_ps)
964 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
965 IEEE80211_P2P_OPPPS_ENABLE_BIT;
967 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
969 ieee80211_vif_release_channel(sdata);
974 err = drv_start_ap(sdata->local, sdata);
976 old = sdata_dereference(sdata->u.ap.beacon, sdata);
979 kfree_rcu(old, rcu_head);
980 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
981 ieee80211_vif_release_channel(sdata);
985 ieee80211_recalc_dtim(local, sdata);
986 ieee80211_bss_info_change_notify(sdata, changed);
988 netif_carrier_on(dev);
989 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
990 netif_carrier_on(vlan->dev);
995 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
996 struct cfg80211_beacon_data *params)
998 struct ieee80211_sub_if_data *sdata;
999 struct beacon_data *old;
1002 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1003 sdata_assert_lock(sdata);
1005 /* don't allow changing the beacon while CSA is in place - offset
1006 * of channel switch counter may change
1008 if (sdata->vif.csa_active)
1011 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1015 err = ieee80211_assign_beacon(sdata, params, NULL);
1018 ieee80211_bss_info_change_notify(sdata, err);
1022 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1024 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1025 struct ieee80211_sub_if_data *vlan;
1026 struct ieee80211_local *local = sdata->local;
1027 struct beacon_data *old_beacon;
1028 struct probe_resp *old_probe_resp;
1029 struct cfg80211_chan_def chandef;
1031 sdata_assert_lock(sdata);
1033 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1036 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1038 /* abort any running channel switch */
1039 mutex_lock(&local->mtx);
1040 sdata->vif.csa_active = false;
1041 if (sdata->csa_block_tx) {
1042 ieee80211_wake_vif_queues(local, sdata,
1043 IEEE80211_QUEUE_STOP_REASON_CSA);
1044 sdata->csa_block_tx = false;
1047 mutex_unlock(&local->mtx);
1049 kfree(sdata->u.ap.next_beacon);
1050 sdata->u.ap.next_beacon = NULL;
1052 /* turn off carrier for this interface and dependent VLANs */
1053 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1054 netif_carrier_off(vlan->dev);
1055 netif_carrier_off(dev);
1057 /* remove beacon and probe response */
1058 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1059 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1060 kfree_rcu(old_beacon, rcu_head);
1062 kfree_rcu(old_probe_resp, rcu_head);
1063 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1065 __sta_info_flush(sdata, true);
1066 ieee80211_free_keys(sdata, true);
1068 sdata->vif.bss_conf.enable_beacon = false;
1069 sdata->vif.bss_conf.ssid_len = 0;
1070 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1071 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1073 if (sdata->wdev.cac_started) {
1074 chandef = sdata->vif.bss_conf.chandef;
1075 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1076 cfg80211_cac_event(sdata->dev, &chandef,
1077 NL80211_RADAR_CAC_ABORTED,
1081 drv_stop_ap(sdata->local, sdata);
1083 /* free all potentially still buffered bcast frames */
1084 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1085 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1087 mutex_lock(&local->mtx);
1088 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1089 ieee80211_vif_release_channel(sdata);
1090 mutex_unlock(&local->mtx);
1095 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1096 struct iapp_layer2_update {
1097 u8 da[ETH_ALEN]; /* broadcast */
1098 u8 sa[ETH_ALEN]; /* STA addr */
1106 static void ieee80211_send_layer2_update(struct sta_info *sta)
1108 struct iapp_layer2_update *msg;
1109 struct sk_buff *skb;
1111 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1114 skb = dev_alloc_skb(sizeof(*msg));
1117 msg = skb_put(skb, sizeof(*msg));
1119 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1120 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1122 eth_broadcast_addr(msg->da);
1123 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1124 msg->len = htons(6);
1126 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1127 msg->control = 0xaf; /* XID response lsb.1111F101.
1128 * F=0 (no poll command; unsolicited frame) */
1129 msg->xid_info[0] = 0x81; /* XID format identifier */
1130 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1131 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1133 skb->dev = sta->sdata->dev;
1134 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1135 memset(skb->cb, 0, sizeof(skb->cb));
1139 static int sta_apply_auth_flags(struct ieee80211_local *local,
1140 struct sta_info *sta,
1145 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1146 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1147 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1148 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1153 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1154 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1155 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1157 * When peer becomes associated, init rate control as
1158 * well. Some drivers require rate control initialized
1159 * before drv_sta_state() is called.
1161 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1162 rate_control_rate_init(sta);
1164 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1169 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1170 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1171 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1172 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1173 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1180 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1181 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1182 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1183 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1188 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1189 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1190 test_sta_flag(sta, WLAN_STA_AUTH)) {
1191 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1199 static void sta_apply_mesh_params(struct ieee80211_local *local,
1200 struct sta_info *sta,
1201 struct station_parameters *params)
1203 #ifdef CONFIG_MAC80211_MESH
1204 struct ieee80211_sub_if_data *sdata = sta->sdata;
1207 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1208 switch (params->plink_state) {
1209 case NL80211_PLINK_ESTAB:
1210 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1211 changed = mesh_plink_inc_estab_count(sdata);
1212 sta->mesh->plink_state = params->plink_state;
1213 sta->mesh->aid = params->peer_aid;
1215 ieee80211_mps_sta_status_update(sta);
1216 changed |= ieee80211_mps_set_sta_local_pm(sta,
1217 sdata->u.mesh.mshcfg.power_mode);
1219 case NL80211_PLINK_LISTEN:
1220 case NL80211_PLINK_BLOCKED:
1221 case NL80211_PLINK_OPN_SNT:
1222 case NL80211_PLINK_OPN_RCVD:
1223 case NL80211_PLINK_CNF_RCVD:
1224 case NL80211_PLINK_HOLDING:
1225 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1226 changed = mesh_plink_dec_estab_count(sdata);
1227 sta->mesh->plink_state = params->plink_state;
1229 ieee80211_mps_sta_status_update(sta);
1230 changed |= ieee80211_mps_set_sta_local_pm(sta,
1231 NL80211_MESH_POWER_UNKNOWN);
1239 switch (params->plink_action) {
1240 case NL80211_PLINK_ACTION_NO_ACTION:
1243 case NL80211_PLINK_ACTION_OPEN:
1244 changed |= mesh_plink_open(sta);
1246 case NL80211_PLINK_ACTION_BLOCK:
1247 changed |= mesh_plink_block(sta);
1251 if (params->local_pm)
1252 changed |= ieee80211_mps_set_sta_local_pm(sta,
1255 ieee80211_mbss_info_change_notify(sdata, changed);
1259 static int sta_apply_parameters(struct ieee80211_local *local,
1260 struct sta_info *sta,
1261 struct station_parameters *params)
1264 struct ieee80211_supported_band *sband;
1265 struct ieee80211_sub_if_data *sdata = sta->sdata;
1268 sband = ieee80211_get_sband(sdata);
1272 mask = params->sta_flags_mask;
1273 set = params->sta_flags_set;
1275 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1277 * In mesh mode, ASSOCIATED isn't part of the nl80211
1278 * API but must follow AUTHENTICATED for driver state.
1280 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1281 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1282 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1283 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1284 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1286 * TDLS -- everything follows authorized, but
1287 * only becoming authorized is possible, not
1290 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1291 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1292 BIT(NL80211_STA_FLAG_ASSOCIATED);
1293 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1294 BIT(NL80211_STA_FLAG_ASSOCIATED);
1298 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1299 local->hw.queues >= IEEE80211_NUM_ACS)
1300 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1302 /* auth flags will be set later for TDLS,
1303 * and for unassociated stations that move to assocaited */
1304 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1305 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1306 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1307 ret = sta_apply_auth_flags(local, sta, mask, set);
1312 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1313 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1314 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1316 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1319 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1320 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1321 if (set & BIT(NL80211_STA_FLAG_MFP))
1322 set_sta_flag(sta, WLAN_STA_MFP);
1324 clear_sta_flag(sta, WLAN_STA_MFP);
1327 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1328 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1329 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1331 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1334 /* mark TDLS channel switch support, if the AP allows it */
1335 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1336 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1337 params->ext_capab_len >= 4 &&
1338 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1339 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1341 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1342 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1343 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1344 params->ext_capab_len >= 8 &&
1345 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1346 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1348 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1349 sta->sta.uapsd_queues = params->uapsd_queues;
1350 sta->sta.max_sp = params->max_sp;
1353 /* The sender might not have sent the last bit, consider it to be 0 */
1354 if (params->ext_capab_len >= 8) {
1355 u8 val = (params->ext_capab[7] &
1356 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1358 /* we did get all the bits, take the MSB as well */
1359 if (params->ext_capab_len >= 9) {
1360 u8 val_msb = params->ext_capab[8] &
1361 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1368 sta->sta.max_amsdu_subframes = 32;
1371 sta->sta.max_amsdu_subframes = 16;
1374 sta->sta.max_amsdu_subframes = 8;
1377 sta->sta.max_amsdu_subframes = 0;
1382 * cfg80211 validates this (1-2007) and allows setting the AID
1383 * only when creating a new station entry
1386 sta->sta.aid = params->aid;
1389 * Some of the following updates would be racy if called on an
1390 * existing station, via ieee80211_change_station(). However,
1391 * all such changes are rejected by cfg80211 except for updates
1392 * changing the supported rates on an existing but not yet used
1396 if (params->listen_interval >= 0)
1397 sta->listen_interval = params->listen_interval;
1399 if (params->supported_rates) {
1400 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1401 sband, params->supported_rates,
1402 params->supported_rates_len,
1403 &sta->sta.supp_rates[sband->band]);
1406 if (params->ht_capa)
1407 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1408 params->ht_capa, sta);
1410 /* VHT can override some HT caps such as the A-MSDU max length */
1411 if (params->vht_capa)
1412 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1413 params->vht_capa, sta);
1415 if (params->he_capa)
1416 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1417 (void *)params->he_capa,
1418 params->he_capa_len, sta);
1420 if (params->opmode_notif_used) {
1421 /* returned value is only needed for rc update, but the
1422 * rc isn't initialized here yet, so ignore it
1424 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1428 if (params->support_p2p_ps >= 0)
1429 sta->sta.support_p2p_ps = params->support_p2p_ps;
1431 if (ieee80211_vif_is_mesh(&sdata->vif))
1432 sta_apply_mesh_params(local, sta, params);
1434 /* set the STA state after all sta info from usermode has been set */
1435 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1436 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1437 ret = sta_apply_auth_flags(local, sta, mask, set);
1445 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1447 struct station_parameters *params)
1449 struct ieee80211_local *local = wiphy_priv(wiphy);
1450 struct sta_info *sta;
1451 struct ieee80211_sub_if_data *sdata;
1456 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1458 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1459 sdata->vif.type != NL80211_IFTYPE_AP)
1462 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1464 if (ether_addr_equal(mac, sdata->vif.addr))
1467 if (is_multicast_ether_addr(mac))
1470 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1474 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1475 sta->sta.tdls = true;
1477 err = sta_apply_parameters(local, sta, params);
1479 sta_info_free(local, sta);
1484 * for TDLS and for unassociated station, rate control should be
1485 * initialized only when rates are known and station is marked
1486 * authorized/associated
1488 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1489 test_sta_flag(sta, WLAN_STA_ASSOC))
1490 rate_control_rate_init(sta);
1492 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1493 sdata->vif.type == NL80211_IFTYPE_AP;
1495 err = sta_info_insert_rcu(sta);
1502 ieee80211_send_layer2_update(sta);
1509 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1510 struct station_del_parameters *params)
1512 struct ieee80211_sub_if_data *sdata;
1514 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1517 return sta_info_destroy_addr_bss(sdata, params->mac);
1519 sta_info_flush(sdata);
1523 static int ieee80211_change_station(struct wiphy *wiphy,
1524 struct net_device *dev, const u8 *mac,
1525 struct station_parameters *params)
1527 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1528 struct ieee80211_local *local = wiphy_priv(wiphy);
1529 struct sta_info *sta;
1530 struct ieee80211_sub_if_data *vlansdata;
1531 enum cfg80211_station_type statype;
1534 mutex_lock(&local->sta_mtx);
1536 sta = sta_info_get_bss(sdata, mac);
1542 switch (sdata->vif.type) {
1543 case NL80211_IFTYPE_MESH_POINT:
1544 if (sdata->u.mesh.user_mpm)
1545 statype = CFG80211_STA_MESH_PEER_USER;
1547 statype = CFG80211_STA_MESH_PEER_KERNEL;
1549 case NL80211_IFTYPE_ADHOC:
1550 statype = CFG80211_STA_IBSS;
1552 case NL80211_IFTYPE_STATION:
1553 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1554 statype = CFG80211_STA_AP_STA;
1557 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1558 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1560 statype = CFG80211_STA_TDLS_PEER_SETUP;
1562 case NL80211_IFTYPE_AP:
1563 case NL80211_IFTYPE_AP_VLAN:
1564 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1565 statype = CFG80211_STA_AP_CLIENT;
1567 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1574 err = cfg80211_check_station_change(wiphy, params, statype);
1578 if (params->vlan && params->vlan != sta->sdata->dev) {
1579 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1581 if (params->vlan->ieee80211_ptr->use_4addr) {
1582 if (vlansdata->u.vlan.sta) {
1587 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1588 __ieee80211_check_fast_rx_iface(vlansdata);
1591 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1592 sta->sdata->u.vlan.sta)
1593 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1595 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1596 ieee80211_vif_dec_num_mcast(sta->sdata);
1598 sta->sdata = vlansdata;
1599 ieee80211_check_fast_xmit(sta);
1601 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1602 ieee80211_vif_inc_num_mcast(sta->sdata);
1604 ieee80211_send_layer2_update(sta);
1607 err = sta_apply_parameters(local, sta, params);
1611 mutex_unlock(&local->sta_mtx);
1613 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1614 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1615 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1616 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1617 sta_info_tx_streams(sta) != 1) {
1619 "%pM just authorized and MIMO capable - update SMPS\n",
1621 ieee80211_send_smps_action(sta->sdata,
1622 sta->sdata->bss->req_smps,
1624 sta->sdata->vif.bss_conf.bssid);
1627 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1628 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1629 ieee80211_recalc_ps(local);
1630 ieee80211_recalc_ps_vif(sdata);
1635 mutex_unlock(&local->sta_mtx);
1639 #ifdef CONFIG_MAC80211_MESH
1640 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1641 const u8 *dst, const u8 *next_hop)
1643 struct ieee80211_sub_if_data *sdata;
1644 struct mesh_path *mpath;
1645 struct sta_info *sta;
1647 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1650 sta = sta_info_get(sdata, next_hop);
1656 mpath = mesh_path_add(sdata, dst);
1657 if (IS_ERR(mpath)) {
1659 return PTR_ERR(mpath);
1662 mesh_path_fix_nexthop(mpath, sta);
1668 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1671 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1674 return mesh_path_del(sdata, dst);
1676 mesh_path_flush_by_iface(sdata);
1680 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1681 const u8 *dst, const u8 *next_hop)
1683 struct ieee80211_sub_if_data *sdata;
1684 struct mesh_path *mpath;
1685 struct sta_info *sta;
1687 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1691 sta = sta_info_get(sdata, next_hop);
1697 mpath = mesh_path_lookup(sdata, dst);
1703 mesh_path_fix_nexthop(mpath, sta);
1709 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1710 struct mpath_info *pinfo)
1712 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1715 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1717 eth_zero_addr(next_hop);
1719 memset(pinfo, 0, sizeof(*pinfo));
1721 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1723 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1726 MPATH_INFO_EXPTIME |
1727 MPATH_INFO_DISCOVERY_TIMEOUT |
1728 MPATH_INFO_DISCOVERY_RETRIES |
1731 pinfo->frame_qlen = mpath->frame_queue.qlen;
1732 pinfo->sn = mpath->sn;
1733 pinfo->metric = mpath->metric;
1734 if (time_before(jiffies, mpath->exp_time))
1735 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1736 pinfo->discovery_timeout =
1737 jiffies_to_msecs(mpath->discovery_timeout);
1738 pinfo->discovery_retries = mpath->discovery_retries;
1739 if (mpath->flags & MESH_PATH_ACTIVE)
1740 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1741 if (mpath->flags & MESH_PATH_RESOLVING)
1742 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1743 if (mpath->flags & MESH_PATH_SN_VALID)
1744 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1745 if (mpath->flags & MESH_PATH_FIXED)
1746 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1747 if (mpath->flags & MESH_PATH_RESOLVED)
1748 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1751 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1752 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1755 struct ieee80211_sub_if_data *sdata;
1756 struct mesh_path *mpath;
1758 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1761 mpath = mesh_path_lookup(sdata, dst);
1766 memcpy(dst, mpath->dst, ETH_ALEN);
1767 mpath_set_pinfo(mpath, next_hop, pinfo);
1772 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1773 int idx, u8 *dst, u8 *next_hop,
1774 struct mpath_info *pinfo)
1776 struct ieee80211_sub_if_data *sdata;
1777 struct mesh_path *mpath;
1779 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1782 mpath = mesh_path_lookup_by_idx(sdata, idx);
1787 memcpy(dst, mpath->dst, ETH_ALEN);
1788 mpath_set_pinfo(mpath, next_hop, pinfo);
1793 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1794 struct mpath_info *pinfo)
1796 memset(pinfo, 0, sizeof(*pinfo));
1797 memcpy(mpp, mpath->mpp, ETH_ALEN);
1799 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1802 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1803 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1806 struct ieee80211_sub_if_data *sdata;
1807 struct mesh_path *mpath;
1809 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1812 mpath = mpp_path_lookup(sdata, dst);
1817 memcpy(dst, mpath->dst, ETH_ALEN);
1818 mpp_set_pinfo(mpath, mpp, pinfo);
1823 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1824 int idx, u8 *dst, u8 *mpp,
1825 struct mpath_info *pinfo)
1827 struct ieee80211_sub_if_data *sdata;
1828 struct mesh_path *mpath;
1830 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1833 mpath = mpp_path_lookup_by_idx(sdata, idx);
1838 memcpy(dst, mpath->dst, ETH_ALEN);
1839 mpp_set_pinfo(mpath, mpp, pinfo);
1844 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1845 struct net_device *dev,
1846 struct mesh_config *conf)
1848 struct ieee80211_sub_if_data *sdata;
1849 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1851 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1855 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1857 return (mask >> (parm-1)) & 0x1;
1860 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1861 const struct mesh_setup *setup)
1865 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1866 struct ieee80211_sub_if_data, u.mesh);
1868 /* allocate information elements */
1872 if (setup->ie_len) {
1873 new_ie = kmemdup(setup->ie, setup->ie_len,
1878 ifmsh->ie_len = setup->ie_len;
1882 /* now copy the rest of the setup parameters */
1883 ifmsh->mesh_id_len = setup->mesh_id_len;
1884 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1885 ifmsh->mesh_sp_id = setup->sync_method;
1886 ifmsh->mesh_pp_id = setup->path_sel_proto;
1887 ifmsh->mesh_pm_id = setup->path_metric;
1888 ifmsh->user_mpm = setup->user_mpm;
1889 ifmsh->mesh_auth_id = setup->auth_id;
1890 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1891 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1892 if (setup->is_authenticated)
1893 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1894 if (setup->is_secure)
1895 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1897 /* mcast rate setting in Mesh Node */
1898 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1899 sizeof(setup->mcast_rate));
1900 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1902 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1903 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1908 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1909 struct net_device *dev, u32 mask,
1910 const struct mesh_config *nconf)
1912 struct mesh_config *conf;
1913 struct ieee80211_sub_if_data *sdata;
1914 struct ieee80211_if_mesh *ifmsh;
1916 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1917 ifmsh = &sdata->u.mesh;
1919 /* Set the config options which we are interested in setting */
1920 conf = &(sdata->u.mesh.mshcfg);
1921 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1922 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1923 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1924 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1925 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1926 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1927 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1928 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1929 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1930 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1931 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1932 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1933 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1934 conf->element_ttl = nconf->element_ttl;
1935 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1936 if (ifmsh->user_mpm)
1938 conf->auto_open_plinks = nconf->auto_open_plinks;
1940 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1941 conf->dot11MeshNbrOffsetMaxNeighbor =
1942 nconf->dot11MeshNbrOffsetMaxNeighbor;
1943 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1944 conf->dot11MeshHWMPmaxPREQretries =
1945 nconf->dot11MeshHWMPmaxPREQretries;
1946 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1947 conf->path_refresh_time = nconf->path_refresh_time;
1948 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1949 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1950 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1951 conf->dot11MeshHWMPactivePathTimeout =
1952 nconf->dot11MeshHWMPactivePathTimeout;
1953 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1954 conf->dot11MeshHWMPpreqMinInterval =
1955 nconf->dot11MeshHWMPpreqMinInterval;
1956 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1957 conf->dot11MeshHWMPperrMinInterval =
1958 nconf->dot11MeshHWMPperrMinInterval;
1959 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1961 conf->dot11MeshHWMPnetDiameterTraversalTime =
1962 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1963 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1964 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1965 ieee80211_mesh_root_setup(ifmsh);
1967 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1968 /* our current gate announcement implementation rides on root
1969 * announcements, so require this ifmsh to also be a root node
1971 if (nconf->dot11MeshGateAnnouncementProtocol &&
1972 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1973 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1974 ieee80211_mesh_root_setup(ifmsh);
1976 conf->dot11MeshGateAnnouncementProtocol =
1977 nconf->dot11MeshGateAnnouncementProtocol;
1979 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1980 conf->dot11MeshHWMPRannInterval =
1981 nconf->dot11MeshHWMPRannInterval;
1982 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1983 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1984 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1985 /* our RSSI threshold implementation is supported only for
1986 * devices that report signal in dBm.
1988 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1990 conf->rssi_threshold = nconf->rssi_threshold;
1992 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1993 conf->ht_opmode = nconf->ht_opmode;
1994 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1995 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1997 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1998 conf->dot11MeshHWMPactivePathToRootTimeout =
1999 nconf->dot11MeshHWMPactivePathToRootTimeout;
2000 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2001 conf->dot11MeshHWMProotInterval =
2002 nconf->dot11MeshHWMProotInterval;
2003 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2004 conf->dot11MeshHWMPconfirmationInterval =
2005 nconf->dot11MeshHWMPconfirmationInterval;
2006 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2007 conf->power_mode = nconf->power_mode;
2008 ieee80211_mps_local_status_update(sdata);
2010 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2011 conf->dot11MeshAwakeWindowDuration =
2012 nconf->dot11MeshAwakeWindowDuration;
2013 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2014 conf->plink_timeout = nconf->plink_timeout;
2015 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2019 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2020 const struct mesh_config *conf,
2021 const struct mesh_setup *setup)
2023 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2024 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2027 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2028 err = copy_mesh_setup(ifmsh, setup);
2032 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2034 /* can mesh use other SMPS modes? */
2035 sdata->smps_mode = IEEE80211_SMPS_OFF;
2036 sdata->needed_rx_chains = sdata->local->rx_chains;
2038 mutex_lock(&sdata->local->mtx);
2039 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2040 IEEE80211_CHANCTX_SHARED);
2041 mutex_unlock(&sdata->local->mtx);
2045 return ieee80211_start_mesh(sdata);
2048 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2050 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2052 ieee80211_stop_mesh(sdata);
2053 mutex_lock(&sdata->local->mtx);
2054 ieee80211_vif_release_channel(sdata);
2055 mutex_unlock(&sdata->local->mtx);
2061 static int ieee80211_change_bss(struct wiphy *wiphy,
2062 struct net_device *dev,
2063 struct bss_parameters *params)
2065 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2066 struct ieee80211_supported_band *sband;
2069 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2072 sband = ieee80211_get_sband(sdata);
2076 if (params->use_cts_prot >= 0) {
2077 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2078 changed |= BSS_CHANGED_ERP_CTS_PROT;
2080 if (params->use_short_preamble >= 0) {
2081 sdata->vif.bss_conf.use_short_preamble =
2082 params->use_short_preamble;
2083 changed |= BSS_CHANGED_ERP_PREAMBLE;
2086 if (!sdata->vif.bss_conf.use_short_slot &&
2087 sband->band == NL80211_BAND_5GHZ) {
2088 sdata->vif.bss_conf.use_short_slot = true;
2089 changed |= BSS_CHANGED_ERP_SLOT;
2092 if (params->use_short_slot_time >= 0) {
2093 sdata->vif.bss_conf.use_short_slot =
2094 params->use_short_slot_time;
2095 changed |= BSS_CHANGED_ERP_SLOT;
2098 if (params->basic_rates) {
2099 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2100 wiphy->bands[sband->band],
2101 params->basic_rates,
2102 params->basic_rates_len,
2103 &sdata->vif.bss_conf.basic_rates);
2104 changed |= BSS_CHANGED_BASIC_RATES;
2105 ieee80211_check_rate_mask(sdata);
2108 if (params->ap_isolate >= 0) {
2109 if (params->ap_isolate)
2110 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2112 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2113 ieee80211_check_fast_rx_iface(sdata);
2116 if (params->ht_opmode >= 0) {
2117 sdata->vif.bss_conf.ht_operation_mode =
2118 (u16) params->ht_opmode;
2119 changed |= BSS_CHANGED_HT;
2122 if (params->p2p_ctwindow >= 0) {
2123 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2124 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2125 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2126 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2127 changed |= BSS_CHANGED_P2P_PS;
2130 if (params->p2p_opp_ps > 0) {
2131 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2132 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2133 changed |= BSS_CHANGED_P2P_PS;
2134 } else if (params->p2p_opp_ps == 0) {
2135 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2136 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2137 changed |= BSS_CHANGED_P2P_PS;
2140 ieee80211_bss_info_change_notify(sdata, changed);
2145 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2146 struct net_device *dev,
2147 struct ieee80211_txq_params *params)
2149 struct ieee80211_local *local = wiphy_priv(wiphy);
2150 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2151 struct ieee80211_tx_queue_params p;
2153 if (!local->ops->conf_tx)
2156 if (local->hw.queues < IEEE80211_NUM_ACS)
2159 memset(&p, 0, sizeof(p));
2160 p.aifs = params->aifs;
2161 p.cw_max = params->cwmax;
2162 p.cw_min = params->cwmin;
2163 p.txop = params->txop;
2166 * Setting tx queue params disables u-apsd because it's only
2167 * called in master mode.
2171 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2173 sdata->tx_conf[params->ac] = p;
2174 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2175 wiphy_debug(local->hw.wiphy,
2176 "failed to set TX queue parameters for AC %d\n",
2181 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2187 static int ieee80211_suspend(struct wiphy *wiphy,
2188 struct cfg80211_wowlan *wowlan)
2190 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2193 static int ieee80211_resume(struct wiphy *wiphy)
2195 return __ieee80211_resume(wiphy_priv(wiphy));
2198 #define ieee80211_suspend NULL
2199 #define ieee80211_resume NULL
2202 static int ieee80211_scan(struct wiphy *wiphy,
2203 struct cfg80211_scan_request *req)
2205 struct ieee80211_sub_if_data *sdata;
2207 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2209 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2210 case NL80211_IFTYPE_STATION:
2211 case NL80211_IFTYPE_ADHOC:
2212 case NL80211_IFTYPE_MESH_POINT:
2213 case NL80211_IFTYPE_P2P_CLIENT:
2214 case NL80211_IFTYPE_P2P_DEVICE:
2216 case NL80211_IFTYPE_P2P_GO:
2217 if (sdata->local->ops->hw_scan)
2220 * FIXME: implement NoA while scanning in software,
2221 * for now fall through to allow scanning only when
2222 * beaconing hasn't been configured yet
2225 case NL80211_IFTYPE_AP:
2227 * If the scan has been forced (and the driver supports
2228 * forcing), don't care about being beaconing already.
2229 * This will create problems to the attached stations (e.g. all
2230 * the frames sent while scanning on other channel will be
2233 if (sdata->u.ap.beacon &&
2234 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2235 !(req->flags & NL80211_SCAN_FLAG_AP)))
2238 case NL80211_IFTYPE_NAN:
2243 return ieee80211_request_scan(sdata, req);
2246 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2248 ieee80211_scan_cancel(wiphy_priv(wiphy));
2252 ieee80211_sched_scan_start(struct wiphy *wiphy,
2253 struct net_device *dev,
2254 struct cfg80211_sched_scan_request *req)
2256 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2258 if (!sdata->local->ops->sched_scan_start)
2261 return ieee80211_request_sched_scan_start(sdata, req);
2265 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2268 struct ieee80211_local *local = wiphy_priv(wiphy);
2270 if (!local->ops->sched_scan_stop)
2273 return ieee80211_request_sched_scan_stop(local);
2276 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2277 struct cfg80211_auth_request *req)
2279 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2282 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2283 struct cfg80211_assoc_request *req)
2285 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2288 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2289 struct cfg80211_deauth_request *req)
2291 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2294 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2295 struct cfg80211_disassoc_request *req)
2297 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2300 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2301 struct cfg80211_ibss_params *params)
2303 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2306 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2308 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2311 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2312 struct ocb_setup *setup)
2314 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2317 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2319 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2322 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2323 int rate[NUM_NL80211_BANDS])
2325 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2327 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2328 sizeof(int) * NUM_NL80211_BANDS);
2330 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2335 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2337 struct ieee80211_local *local = wiphy_priv(wiphy);
2340 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2341 ieee80211_check_fast_xmit_all(local);
2343 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2346 ieee80211_check_fast_xmit_all(local);
2351 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2352 (changed & WIPHY_PARAM_DYN_ACK)) {
2355 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2356 wiphy->coverage_class : -1;
2357 err = drv_set_coverage_class(local, coverage_class);
2363 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2364 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2370 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2371 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2373 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2375 if (changed & WIPHY_PARAM_RETRY_LONG) {
2376 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2378 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2381 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2382 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2384 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2385 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2386 WIPHY_PARAM_TXQ_QUANTUM))
2387 ieee80211_txq_set_params(local);
2392 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2393 struct wireless_dev *wdev,
2394 enum nl80211_tx_power_setting type, int mbm)
2396 struct ieee80211_local *local = wiphy_priv(wiphy);
2397 struct ieee80211_sub_if_data *sdata;
2398 enum nl80211_tx_power_setting txp_type = type;
2399 bool update_txp_type = false;
2400 bool has_monitor = false;
2403 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2405 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2406 sdata = rtnl_dereference(local->monitor_sdata);
2412 case NL80211_TX_POWER_AUTOMATIC:
2413 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2414 txp_type = NL80211_TX_POWER_LIMITED;
2416 case NL80211_TX_POWER_LIMITED:
2417 case NL80211_TX_POWER_FIXED:
2418 if (mbm < 0 || (mbm % 100))
2420 sdata->user_power_level = MBM_TO_DBM(mbm);
2424 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2425 update_txp_type = true;
2426 sdata->vif.bss_conf.txpower_type = txp_type;
2429 ieee80211_recalc_txpower(sdata, update_txp_type);
2435 case NL80211_TX_POWER_AUTOMATIC:
2436 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2437 txp_type = NL80211_TX_POWER_LIMITED;
2439 case NL80211_TX_POWER_LIMITED:
2440 case NL80211_TX_POWER_FIXED:
2441 if (mbm < 0 || (mbm % 100))
2443 local->user_power_level = MBM_TO_DBM(mbm);
2447 mutex_lock(&local->iflist_mtx);
2448 list_for_each_entry(sdata, &local->interfaces, list) {
2449 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2453 sdata->user_power_level = local->user_power_level;
2454 if (txp_type != sdata->vif.bss_conf.txpower_type)
2455 update_txp_type = true;
2456 sdata->vif.bss_conf.txpower_type = txp_type;
2458 list_for_each_entry(sdata, &local->interfaces, list) {
2459 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2461 ieee80211_recalc_txpower(sdata, update_txp_type);
2463 mutex_unlock(&local->iflist_mtx);
2466 sdata = rtnl_dereference(local->monitor_sdata);
2468 sdata->user_power_level = local->user_power_level;
2469 if (txp_type != sdata->vif.bss_conf.txpower_type)
2470 update_txp_type = true;
2471 sdata->vif.bss_conf.txpower_type = txp_type;
2473 ieee80211_recalc_txpower(sdata, update_txp_type);
2480 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2481 struct wireless_dev *wdev,
2484 struct ieee80211_local *local = wiphy_priv(wiphy);
2485 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2487 if (local->ops->get_txpower)
2488 return drv_get_txpower(local, sdata, dbm);
2490 if (!local->use_chanctx)
2491 *dbm = local->hw.conf.power_level;
2493 *dbm = sdata->vif.bss_conf.txpower;
2498 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2501 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2503 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2508 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2510 struct ieee80211_local *local = wiphy_priv(wiphy);
2512 drv_rfkill_poll(local);
2515 #ifdef CONFIG_NL80211_TESTMODE
2516 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2517 struct wireless_dev *wdev,
2518 void *data, int len)
2520 struct ieee80211_local *local = wiphy_priv(wiphy);
2521 struct ieee80211_vif *vif = NULL;
2523 if (!local->ops->testmode_cmd)
2527 struct ieee80211_sub_if_data *sdata;
2529 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2530 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2534 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2537 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2538 struct sk_buff *skb,
2539 struct netlink_callback *cb,
2540 void *data, int len)
2542 struct ieee80211_local *local = wiphy_priv(wiphy);
2544 if (!local->ops->testmode_dump)
2547 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2551 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2552 enum ieee80211_smps_mode smps_mode)
2554 struct sta_info *sta;
2555 enum ieee80211_smps_mode old_req;
2557 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2560 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2563 old_req = sdata->u.ap.req_smps;
2564 sdata->u.ap.req_smps = smps_mode;
2566 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2567 if (old_req == smps_mode ||
2568 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2572 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2573 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2575 mutex_lock(&sdata->local->sta_mtx);
2576 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2578 * Only stations associated to our AP and
2581 if (sta->sdata->bss != &sdata->u.ap)
2584 /* This station doesn't support MIMO - skip it */
2585 if (sta_info_tx_streams(sta) == 1)
2589 * Don't wake up a STA just to send the action frame
2590 * unless we are getting more restrictive.
2592 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2593 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2595 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2601 * If the STA is not authorized, wait until it gets
2602 * authorized and the action frame will be sent then.
2604 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2607 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2608 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2609 sdata->vif.bss_conf.bssid);
2611 mutex_unlock(&sdata->local->sta_mtx);
2613 sdata->smps_mode = smps_mode;
2614 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2619 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2620 enum ieee80211_smps_mode smps_mode)
2623 enum ieee80211_smps_mode old_req;
2625 struct sta_info *sta;
2626 bool tdls_peer_found = false;
2628 lockdep_assert_held(&sdata->wdev.mtx);
2630 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2633 old_req = sdata->u.mgd.req_smps;
2634 sdata->u.mgd.req_smps = smps_mode;
2636 if (old_req == smps_mode &&
2637 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2641 * If not associated, or current association is not an HT
2642 * association, there's no need to do anything, just store
2643 * the new value until we associate.
2645 if (!sdata->u.mgd.associated ||
2646 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2649 ap = sdata->u.mgd.associated->bssid;
2652 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2653 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2654 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2657 tdls_peer_found = true;
2662 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2663 if (tdls_peer_found || !sdata->u.mgd.powersave)
2664 smps_mode = IEEE80211_SMPS_OFF;
2666 smps_mode = IEEE80211_SMPS_DYNAMIC;
2669 /* send SM PS frame to AP */
2670 err = ieee80211_send_smps_action(sdata, smps_mode,
2673 sdata->u.mgd.req_smps = old_req;
2674 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2675 ieee80211_teardown_tdls_peers(sdata);
2680 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2681 bool enabled, int timeout)
2683 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2684 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2686 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2689 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2692 if (enabled == sdata->u.mgd.powersave &&
2693 timeout == local->dynamic_ps_forced_timeout)
2696 sdata->u.mgd.powersave = enabled;
2697 local->dynamic_ps_forced_timeout = timeout;
2699 /* no change, but if automatic follow powersave */
2701 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2702 sdata_unlock(sdata);
2704 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2705 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2707 ieee80211_recalc_ps(local);
2708 ieee80211_recalc_ps_vif(sdata);
2709 ieee80211_check_fast_rx_iface(sdata);
2714 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2715 struct net_device *dev,
2716 s32 rssi_thold, u32 rssi_hyst)
2718 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2719 struct ieee80211_vif *vif = &sdata->vif;
2720 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2722 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2723 rssi_hyst == bss_conf->cqm_rssi_hyst)
2726 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2727 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2730 bss_conf->cqm_rssi_thold = rssi_thold;
2731 bss_conf->cqm_rssi_hyst = rssi_hyst;
2732 bss_conf->cqm_rssi_low = 0;
2733 bss_conf->cqm_rssi_high = 0;
2734 sdata->u.mgd.last_cqm_event_signal = 0;
2736 /* tell the driver upon association, unless already associated */
2737 if (sdata->u.mgd.associated &&
2738 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2739 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2744 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2745 struct net_device *dev,
2746 s32 rssi_low, s32 rssi_high)
2748 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2749 struct ieee80211_vif *vif = &sdata->vif;
2750 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2752 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2755 bss_conf->cqm_rssi_low = rssi_low;
2756 bss_conf->cqm_rssi_high = rssi_high;
2757 bss_conf->cqm_rssi_thold = 0;
2758 bss_conf->cqm_rssi_hyst = 0;
2759 sdata->u.mgd.last_cqm_event_signal = 0;
2761 /* tell the driver upon association, unless already associated */
2762 if (sdata->u.mgd.associated &&
2763 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2764 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2769 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2770 struct net_device *dev,
2772 const struct cfg80211_bitrate_mask *mask)
2774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2775 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2778 if (!ieee80211_sdata_running(sdata))
2782 * If active validate the setting and reject it if it doesn't leave
2783 * at least one basic rate usable, since we really have to be able
2784 * to send something, and if we're an AP we have to be able to do
2785 * so at a basic rate so that all clients can receive it.
2787 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2788 sdata->vif.bss_conf.chandef.chan) {
2789 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2790 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2792 if (!(mask->control[band].legacy & basic_rates))
2796 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2797 ret = drv_set_bitrate_mask(local, sdata, mask);
2802 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2803 struct ieee80211_supported_band *sband = wiphy->bands[i];
2806 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2807 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2808 sizeof(mask->control[i].ht_mcs));
2809 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2810 mask->control[i].vht_mcs,
2811 sizeof(mask->control[i].vht_mcs));
2813 sdata->rc_has_mcs_mask[i] = false;
2814 sdata->rc_has_vht_mcs_mask[i] = false;
2818 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2819 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2820 sdata->rc_has_mcs_mask[i] = true;
2825 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2826 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2827 sdata->rc_has_vht_mcs_mask[i] = true;
2836 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2837 struct net_device *dev,
2838 struct cfg80211_chan_def *chandef,
2841 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2842 struct ieee80211_local *local = sdata->local;
2845 mutex_lock(&local->mtx);
2846 if (!list_empty(&local->roc_list) || local->scanning) {
2851 /* whatever, but channel contexts should not complain about that one */
2852 sdata->smps_mode = IEEE80211_SMPS_OFF;
2853 sdata->needed_rx_chains = local->rx_chains;
2855 err = ieee80211_vif_use_channel(sdata, chandef,
2856 IEEE80211_CHANCTX_SHARED);
2860 ieee80211_queue_delayed_work(&sdata->local->hw,
2861 &sdata->dfs_cac_timer_work,
2862 msecs_to_jiffies(cac_time_ms));
2865 mutex_unlock(&local->mtx);
2869 static struct cfg80211_beacon_data *
2870 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2872 struct cfg80211_beacon_data *new_beacon;
2876 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2877 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2878 beacon->probe_resp_len;
2880 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2884 pos = (u8 *)(new_beacon + 1);
2885 if (beacon->head_len) {
2886 new_beacon->head_len = beacon->head_len;
2887 new_beacon->head = pos;
2888 memcpy(pos, beacon->head, beacon->head_len);
2889 pos += beacon->head_len;
2891 if (beacon->tail_len) {
2892 new_beacon->tail_len = beacon->tail_len;
2893 new_beacon->tail = pos;
2894 memcpy(pos, beacon->tail, beacon->tail_len);
2895 pos += beacon->tail_len;
2897 if (beacon->beacon_ies_len) {
2898 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2899 new_beacon->beacon_ies = pos;
2900 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2901 pos += beacon->beacon_ies_len;
2903 if (beacon->proberesp_ies_len) {
2904 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2905 new_beacon->proberesp_ies = pos;
2906 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2907 pos += beacon->proberesp_ies_len;
2909 if (beacon->assocresp_ies_len) {
2910 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2911 new_beacon->assocresp_ies = pos;
2912 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2913 pos += beacon->assocresp_ies_len;
2915 if (beacon->probe_resp_len) {
2916 new_beacon->probe_resp_len = beacon->probe_resp_len;
2917 new_beacon->probe_resp = pos;
2918 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2919 pos += beacon->probe_resp_len;
2925 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2927 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2929 ieee80211_queue_work(&sdata->local->hw,
2930 &sdata->csa_finalize_work);
2932 EXPORT_SYMBOL(ieee80211_csa_finish);
2934 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2939 switch (sdata->vif.type) {
2940 case NL80211_IFTYPE_AP:
2941 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2943 kfree(sdata->u.ap.next_beacon);
2944 sdata->u.ap.next_beacon = NULL;
2950 case NL80211_IFTYPE_ADHOC:
2951 err = ieee80211_ibss_finish_csa(sdata);
2956 #ifdef CONFIG_MAC80211_MESH
2957 case NL80211_IFTYPE_MESH_POINT:
2958 err = ieee80211_mesh_finish_csa(sdata);
2972 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2974 struct ieee80211_local *local = sdata->local;
2978 sdata_assert_lock(sdata);
2979 lockdep_assert_held(&local->mtx);
2980 lockdep_assert_held(&local->chanctx_mtx);
2983 * using reservation isn't immediate as it may be deferred until later
2984 * with multi-vif. once reservation is complete it will re-schedule the
2985 * work with no reserved_chanctx so verify chandef to check if it
2986 * completed successfully
2989 if (sdata->reserved_chanctx) {
2991 * with multi-vif csa driver may call ieee80211_csa_finish()
2992 * many times while waiting for other interfaces to use their
2995 if (sdata->reserved_ready)
2998 return ieee80211_vif_use_reserved_context(sdata);
3001 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3002 &sdata->csa_chandef))
3005 sdata->vif.csa_active = false;
3007 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3011 ieee80211_bss_info_change_notify(sdata, changed);
3013 if (sdata->csa_block_tx) {
3014 ieee80211_wake_vif_queues(local, sdata,
3015 IEEE80211_QUEUE_STOP_REASON_CSA);
3016 sdata->csa_block_tx = false;
3019 err = drv_post_channel_switch(sdata);
3023 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3028 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3030 if (__ieee80211_csa_finalize(sdata)) {
3031 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3032 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3037 void ieee80211_csa_finalize_work(struct work_struct *work)
3039 struct ieee80211_sub_if_data *sdata =
3040 container_of(work, struct ieee80211_sub_if_data,
3042 struct ieee80211_local *local = sdata->local;
3045 mutex_lock(&local->mtx);
3046 mutex_lock(&local->chanctx_mtx);
3048 /* AP might have been stopped while waiting for the lock. */
3049 if (!sdata->vif.csa_active)
3052 if (!ieee80211_sdata_running(sdata))
3055 ieee80211_csa_finalize(sdata);
3058 mutex_unlock(&local->chanctx_mtx);
3059 mutex_unlock(&local->mtx);
3060 sdata_unlock(sdata);
3063 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3064 struct cfg80211_csa_settings *params,
3067 struct ieee80211_csa_settings csa = {};
3070 switch (sdata->vif.type) {
3071 case NL80211_IFTYPE_AP:
3072 sdata->u.ap.next_beacon =
3073 cfg80211_beacon_dup(¶ms->beacon_after);
3074 if (!sdata->u.ap.next_beacon)
3078 * With a count of 0, we don't have to wait for any
3079 * TBTT before switching, so complete the CSA
3080 * immediately. In theory, with a count == 1 we
3081 * should delay the switch until just before the next
3082 * TBTT, but that would complicate things so we switch
3083 * immediately too. If we would delay the switch
3084 * until the next TBTT, we would have to set the probe
3087 * TODO: A channel switch with count <= 1 without
3088 * sending a CSA action frame is kind of useless,
3089 * because the clients won't know we're changing
3090 * channels. The action frame must be implemented
3091 * either here or in the userspace.
3093 if (params->count <= 1)
3096 if ((params->n_counter_offsets_beacon >
3097 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3098 (params->n_counter_offsets_presp >
3099 IEEE80211_MAX_CSA_COUNTERS_NUM))
3102 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3103 csa.counter_offsets_presp = params->counter_offsets_presp;
3104 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3105 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3106 csa.count = params->count;
3108 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3110 kfree(sdata->u.ap.next_beacon);
3116 case NL80211_IFTYPE_ADHOC:
3117 if (!sdata->vif.bss_conf.ibss_joined)
3120 if (params->chandef.width != sdata->u.ibss.chandef.width)
3123 switch (params->chandef.width) {
3124 case NL80211_CHAN_WIDTH_40:
3125 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3126 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3128 case NL80211_CHAN_WIDTH_5:
3129 case NL80211_CHAN_WIDTH_10:
3130 case NL80211_CHAN_WIDTH_20_NOHT:
3131 case NL80211_CHAN_WIDTH_20:
3137 /* changes into another band are not supported */
3138 if (sdata->u.ibss.chandef.chan->band !=
3139 params->chandef.chan->band)
3142 /* see comments in the NL80211_IFTYPE_AP block */
3143 if (params->count > 1) {
3144 err = ieee80211_ibss_csa_beacon(sdata, params);
3150 ieee80211_send_action_csa(sdata, params);
3153 #ifdef CONFIG_MAC80211_MESH
3154 case NL80211_IFTYPE_MESH_POINT: {
3155 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3157 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3160 /* changes into another band are not supported */
3161 if (sdata->vif.bss_conf.chandef.chan->band !=
3162 params->chandef.chan->band)
3165 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3166 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3167 if (!ifmsh->pre_value)
3168 ifmsh->pre_value = 1;
3173 /* see comments in the NL80211_IFTYPE_AP block */
3174 if (params->count > 1) {
3175 err = ieee80211_mesh_csa_beacon(sdata, params);
3177 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3183 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3184 ieee80211_send_action_csa(sdata, params);
3197 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3198 struct cfg80211_csa_settings *params)
3200 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3201 struct ieee80211_local *local = sdata->local;
3202 struct ieee80211_channel_switch ch_switch;
3203 struct ieee80211_chanctx_conf *conf;
3204 struct ieee80211_chanctx *chanctx;
3208 sdata_assert_lock(sdata);
3209 lockdep_assert_held(&local->mtx);
3211 if (!list_empty(&local->roc_list) || local->scanning)
3214 if (sdata->wdev.cac_started)
3217 if (cfg80211_chandef_identical(¶ms->chandef,
3218 &sdata->vif.bss_conf.chandef))
3221 /* don't allow another channel switch if one is already active. */
3222 if (sdata->vif.csa_active)
3225 mutex_lock(&local->chanctx_mtx);
3226 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3227 lockdep_is_held(&local->chanctx_mtx));
3233 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3235 ch_switch.timestamp = 0;
3236 ch_switch.device_timestamp = 0;
3237 ch_switch.block_tx = params->block_tx;
3238 ch_switch.chandef = params->chandef;
3239 ch_switch.count = params->count;
3241 err = drv_pre_channel_switch(sdata, &ch_switch);
3245 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3247 params->radar_required);
3251 /* if reservation is invalid then this will fail */
3252 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3254 ieee80211_vif_unreserve_chanctx(sdata);
3258 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3260 ieee80211_vif_unreserve_chanctx(sdata);
3264 sdata->csa_chandef = params->chandef;
3265 sdata->csa_block_tx = params->block_tx;
3266 sdata->vif.csa_active = true;
3268 if (sdata->csa_block_tx)
3269 ieee80211_stop_vif_queues(local, sdata,
3270 IEEE80211_QUEUE_STOP_REASON_CSA);
3272 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3276 ieee80211_bss_info_change_notify(sdata, changed);
3277 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3279 /* if the beacon didn't change, we can finalize immediately */
3280 ieee80211_csa_finalize(sdata);
3284 mutex_unlock(&local->chanctx_mtx);
3288 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3289 struct cfg80211_csa_settings *params)
3291 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3292 struct ieee80211_local *local = sdata->local;
3295 mutex_lock(&local->mtx);
3296 err = __ieee80211_channel_switch(wiphy, dev, params);
3297 mutex_unlock(&local->mtx);
3302 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3304 lockdep_assert_held(&local->mtx);
3306 local->roc_cookie_counter++;
3308 /* wow, you wrapped 64 bits ... more likely a bug */
3309 if (WARN_ON(local->roc_cookie_counter == 0))
3310 local->roc_cookie_counter++;
3312 return local->roc_cookie_counter;
3315 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3316 u64 *cookie, gfp_t gfp)
3318 unsigned long spin_flags;
3319 struct sk_buff *ack_skb;
3322 ack_skb = skb_copy(skb, gfp);
3326 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3327 id = idr_alloc(&local->ack_status_frames, ack_skb,
3328 1, 0x10000, GFP_ATOMIC);
3329 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3336 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3338 *cookie = ieee80211_mgmt_tx_cookie(local);
3339 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3344 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3345 struct wireless_dev *wdev,
3346 u16 frame_type, bool reg)
3348 struct ieee80211_local *local = wiphy_priv(wiphy);
3349 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3351 switch (frame_type) {
3352 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3354 local->probe_req_reg++;
3355 sdata->vif.probe_req_reg++;
3357 if (local->probe_req_reg)
3358 local->probe_req_reg--;
3360 if (sdata->vif.probe_req_reg)
3361 sdata->vif.probe_req_reg--;
3364 if (!local->open_count)
3367 if (sdata->vif.probe_req_reg == 1)
3368 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3370 else if (sdata->vif.probe_req_reg == 0)
3371 drv_config_iface_filter(local, sdata, 0,
3374 ieee80211_configure_filter(local);
3381 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3383 struct ieee80211_local *local = wiphy_priv(wiphy);
3388 return drv_set_antenna(local, tx_ant, rx_ant);
3391 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3393 struct ieee80211_local *local = wiphy_priv(wiphy);
3395 return drv_get_antenna(local, tx_ant, rx_ant);
3398 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3399 struct net_device *dev,
3400 struct cfg80211_gtk_rekey_data *data)
3402 struct ieee80211_local *local = wiphy_priv(wiphy);
3403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3405 if (!local->ops->set_rekey_data)
3408 drv_set_rekey_data(local, sdata, data);
3413 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3414 const u8 *peer, u64 *cookie)
3416 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3417 struct ieee80211_local *local = sdata->local;
3418 struct ieee80211_qos_hdr *nullfunc;
3419 struct sk_buff *skb;
3420 int size = sizeof(*nullfunc);
3423 struct ieee80211_tx_info *info;
3424 struct sta_info *sta;
3425 struct ieee80211_chanctx_conf *chanctx_conf;
3426 enum nl80211_band band;
3429 /* the lock is needed to assign the cookie later */
3430 mutex_lock(&local->mtx);
3433 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3434 if (WARN_ON(!chanctx_conf)) {
3438 band = chanctx_conf->def.chan->band;
3439 sta = sta_info_get_bss(sdata, peer);
3448 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3449 IEEE80211_STYPE_QOS_NULLFUNC |
3450 IEEE80211_FCTL_FROMDS);
3453 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3454 IEEE80211_STYPE_NULLFUNC |
3455 IEEE80211_FCTL_FROMDS);
3458 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3466 skb_reserve(skb, local->hw.extra_tx_headroom);
3468 nullfunc = skb_put(skb, size);
3469 nullfunc->frame_control = fc;
3470 nullfunc->duration_id = 0;
3471 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3472 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3473 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3474 nullfunc->seq_ctrl = 0;
3476 info = IEEE80211_SKB_CB(skb);
3478 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3479 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3482 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3485 nullfunc->qos_ctrl = cpu_to_le16(7);
3487 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3494 ieee80211_xmit(sdata, sta, skb, 0);
3500 mutex_unlock(&local->mtx);
3505 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3506 struct wireless_dev *wdev,
3507 struct cfg80211_chan_def *chandef)
3509 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3510 struct ieee80211_local *local = wiphy_priv(wiphy);
3511 struct ieee80211_chanctx_conf *chanctx_conf;
3515 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3517 *chandef = sdata->vif.bss_conf.chandef;
3519 } else if (local->open_count > 0 &&
3520 local->open_count == local->monitors &&
3521 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3522 if (local->use_chanctx)
3523 *chandef = local->monitor_chandef;
3525 *chandef = local->_oper_chandef;
3534 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3536 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3540 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3541 struct net_device *dev,
3542 struct cfg80211_qos_map *qos_map)
3544 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3545 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3548 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3551 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3553 /* A NULL qos_map was passed to disable QoS mapping */
3557 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3558 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3560 kfree_rcu(old_qos_map, rcu_head);
3565 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3566 struct net_device *dev,
3567 struct cfg80211_chan_def *chandef)
3569 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3573 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3575 ieee80211_bss_info_change_notify(sdata, changed);
3580 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3581 u8 tsid, const u8 *peer, u8 up,
3584 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3585 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3586 int ac = ieee802_1d_to_ac[up];
3588 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3591 if (!(sdata->wmm_acm & BIT(up)))
3594 if (ifmgd->tx_tspec[ac].admitted_time)
3597 if (admitted_time) {
3598 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3599 ifmgd->tx_tspec[ac].tsid = tsid;
3600 ifmgd->tx_tspec[ac].up = up;
3606 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3607 u8 tsid, const u8 *peer)
3609 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3610 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3611 struct ieee80211_local *local = wiphy_priv(wiphy);
3614 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3615 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3617 /* skip unused entries */
3618 if (!tx_tspec->admitted_time)
3621 if (tx_tspec->tsid != tsid)
3624 /* due to this new packets will be reassigned to non-ACM ACs */
3627 /* Make sure that all packets have been sent to avoid to
3628 * restore the QoS params on packets that are still on the
3632 ieee80211_flush_queues(local, sdata, false);
3634 /* restore the normal QoS parameters
3635 * (unconditionally to avoid races)
3637 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3638 tx_tspec->downgraded = false;
3639 ieee80211_sta_handle_tspec_ac_params(sdata);
3641 /* finally clear all the data */
3642 memset(tx_tspec, 0, sizeof(*tx_tspec));
3650 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3652 enum nl80211_nan_func_term_reason reason,
3655 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3656 struct cfg80211_nan_func *func;
3659 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3662 spin_lock_bh(&sdata->u.nan.func_lock);
3664 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3665 if (WARN_ON(!func)) {
3666 spin_unlock_bh(&sdata->u.nan.func_lock);
3670 cookie = func->cookie;
3671 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3673 spin_unlock_bh(&sdata->u.nan.func_lock);
3675 cfg80211_free_nan_func(func);
3677 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3678 reason, cookie, gfp);
3680 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3682 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3683 struct cfg80211_nan_match_params *match,
3686 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3687 struct cfg80211_nan_func *func;
3689 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3692 spin_lock_bh(&sdata->u.nan.func_lock);
3694 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3695 if (WARN_ON(!func)) {
3696 spin_unlock_bh(&sdata->u.nan.func_lock);
3699 match->cookie = func->cookie;
3701 spin_unlock_bh(&sdata->u.nan.func_lock);
3703 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3705 EXPORT_SYMBOL(ieee80211_nan_func_match);
3707 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3708 struct net_device *dev,
3711 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3713 sdata->u.ap.multicast_to_unicast = enabled;
3718 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3719 struct txq_info *txqi)
3721 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3722 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3723 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3726 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3727 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3728 txqstats->backlog_packets = txqi->tin.backlog_packets;
3731 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3732 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3733 txqstats->flows = txqi->tin.flows;
3736 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3737 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3738 txqstats->drops = txqi->cstats.drop_count;
3741 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3742 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3743 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3746 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3747 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3748 txqstats->overlimit = txqi->tin.overlimit;
3751 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3752 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3753 txqstats->collisions = txqi->tin.collisions;
3756 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3757 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3758 txqstats->tx_bytes = txqi->tin.tx_bytes;
3761 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3762 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3763 txqstats->tx_packets = txqi->tin.tx_packets;
3767 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3768 struct wireless_dev *wdev,
3769 struct cfg80211_txq_stats *txqstats)
3771 struct ieee80211_local *local = wiphy_priv(wiphy);
3772 struct ieee80211_sub_if_data *sdata;
3775 if (!local->ops->wake_tx_queue)
3778 spin_lock_bh(&local->fq.lock);
3782 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3783 if (!sdata->vif.txq) {
3787 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3790 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3791 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3792 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3793 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3794 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3795 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3796 txqstats->backlog_packets = local->fq.backlog;
3797 txqstats->backlog_bytes = local->fq.memory_usage;
3798 txqstats->overlimit = local->fq.overlimit;
3799 txqstats->overmemory = local->fq.overmemory;
3800 txqstats->collisions = local->fq.collisions;
3801 txqstats->max_flows = local->fq.flows_cnt;
3806 spin_unlock_bh(&local->fq.lock);
3811 const struct cfg80211_ops mac80211_config_ops = {
3812 .add_virtual_intf = ieee80211_add_iface,
3813 .del_virtual_intf = ieee80211_del_iface,
3814 .change_virtual_intf = ieee80211_change_iface,
3815 .start_p2p_device = ieee80211_start_p2p_device,
3816 .stop_p2p_device = ieee80211_stop_p2p_device,
3817 .add_key = ieee80211_add_key,
3818 .del_key = ieee80211_del_key,
3819 .get_key = ieee80211_get_key,
3820 .set_default_key = ieee80211_config_default_key,
3821 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3822 .start_ap = ieee80211_start_ap,
3823 .change_beacon = ieee80211_change_beacon,
3824 .stop_ap = ieee80211_stop_ap,
3825 .add_station = ieee80211_add_station,
3826 .del_station = ieee80211_del_station,
3827 .change_station = ieee80211_change_station,
3828 .get_station = ieee80211_get_station,
3829 .dump_station = ieee80211_dump_station,
3830 .dump_survey = ieee80211_dump_survey,
3831 #ifdef CONFIG_MAC80211_MESH
3832 .add_mpath = ieee80211_add_mpath,
3833 .del_mpath = ieee80211_del_mpath,
3834 .change_mpath = ieee80211_change_mpath,
3835 .get_mpath = ieee80211_get_mpath,
3836 .dump_mpath = ieee80211_dump_mpath,
3837 .get_mpp = ieee80211_get_mpp,
3838 .dump_mpp = ieee80211_dump_mpp,
3839 .update_mesh_config = ieee80211_update_mesh_config,
3840 .get_mesh_config = ieee80211_get_mesh_config,
3841 .join_mesh = ieee80211_join_mesh,
3842 .leave_mesh = ieee80211_leave_mesh,
3844 .join_ocb = ieee80211_join_ocb,
3845 .leave_ocb = ieee80211_leave_ocb,
3846 .change_bss = ieee80211_change_bss,
3847 .set_txq_params = ieee80211_set_txq_params,
3848 .set_monitor_channel = ieee80211_set_monitor_channel,
3849 .suspend = ieee80211_suspend,
3850 .resume = ieee80211_resume,
3851 .scan = ieee80211_scan,
3852 .abort_scan = ieee80211_abort_scan,
3853 .sched_scan_start = ieee80211_sched_scan_start,
3854 .sched_scan_stop = ieee80211_sched_scan_stop,
3855 .auth = ieee80211_auth,
3856 .assoc = ieee80211_assoc,
3857 .deauth = ieee80211_deauth,
3858 .disassoc = ieee80211_disassoc,
3859 .join_ibss = ieee80211_join_ibss,
3860 .leave_ibss = ieee80211_leave_ibss,
3861 .set_mcast_rate = ieee80211_set_mcast_rate,
3862 .set_wiphy_params = ieee80211_set_wiphy_params,
3863 .set_tx_power = ieee80211_set_tx_power,
3864 .get_tx_power = ieee80211_get_tx_power,
3865 .set_wds_peer = ieee80211_set_wds_peer,
3866 .rfkill_poll = ieee80211_rfkill_poll,
3867 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3868 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3869 .set_power_mgmt = ieee80211_set_power_mgmt,
3870 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3871 .remain_on_channel = ieee80211_remain_on_channel,
3872 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3873 .mgmt_tx = ieee80211_mgmt_tx,
3874 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3875 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3876 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
3877 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3878 .set_antenna = ieee80211_set_antenna,
3879 .get_antenna = ieee80211_get_antenna,
3880 .set_rekey_data = ieee80211_set_rekey_data,
3881 .tdls_oper = ieee80211_tdls_oper,
3882 .tdls_mgmt = ieee80211_tdls_mgmt,
3883 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3884 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3885 .probe_client = ieee80211_probe_client,
3886 .set_noack_map = ieee80211_set_noack_map,
3888 .set_wakeup = ieee80211_set_wakeup,
3890 .get_channel = ieee80211_cfg_get_channel,
3891 .start_radar_detection = ieee80211_start_radar_detection,
3892 .channel_switch = ieee80211_channel_switch,
3893 .set_qos_map = ieee80211_set_qos_map,
3894 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3895 .add_tx_ts = ieee80211_add_tx_ts,
3896 .del_tx_ts = ieee80211_del_tx_ts,
3897 .start_nan = ieee80211_start_nan,
3898 .stop_nan = ieee80211_stop_nan,
3899 .nan_change_conf = ieee80211_nan_change_conf,
3900 .add_nan_func = ieee80211_add_nan_func,
3901 .del_nan_func = ieee80211_del_nan_func,
3902 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
3903 .tx_control_port = ieee80211_tx_control_port,
3904 .get_txq_stats = ieee80211_get_txq_stats,