2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 Intel Mobile Communications GmbH
7 * This file is GPLv2 as found in COPYING.
10 #include <linux/ieee80211.h>
11 #include <linux/nl80211.h>
12 #include <linux/rtnetlink.h>
13 #include <linux/slab.h>
14 #include <net/net_namespace.h>
15 #include <linux/rcupdate.h>
16 #include <linux/if_ether.h>
17 #include <net/cfg80211.h>
18 #include "ieee80211_i.h"
19 #include "driver-ops.h"
24 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 unsigned char name_assign_type,
27 enum nl80211_iftype type,
29 struct vif_params *params)
31 struct ieee80211_local *local = wiphy_priv(wiphy);
32 struct wireless_dev *wdev;
33 struct ieee80211_sub_if_data *sdata;
36 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
40 if (type == NL80211_IFTYPE_MONITOR && flags) {
41 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
42 sdata->u.mntr_flags = *flags;
48 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
50 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
55 static int ieee80211_change_iface(struct wiphy *wiphy,
56 struct net_device *dev,
57 enum nl80211_iftype type, u32 *flags,
58 struct vif_params *params)
60 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63 ret = ieee80211_if_change_type(sdata, type);
67 if (type == NL80211_IFTYPE_AP_VLAN &&
68 params && params->use_4addr == 0)
69 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
70 else if (type == NL80211_IFTYPE_STATION &&
71 params && params->use_4addr >= 0)
72 sdata->u.mgd.use_4addr = params->use_4addr;
74 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
75 struct ieee80211_local *local = sdata->local;
77 if (ieee80211_sdata_running(sdata)) {
78 u32 mask = MONITOR_FLAG_COOK_FRAMES |
82 * Prohibit MONITOR_FLAG_COOK_FRAMES and
83 * MONITOR_FLAG_ACTIVE to be changed while the
85 * Else we would need to add a lot of cruft
86 * to update everything:
87 * cooked_mntrs, monitor and all fif_* counters
88 * reconfigure hardware
90 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
93 ieee80211_adjust_monitor_flags(sdata, -1);
94 sdata->u.mntr_flags = *flags;
95 ieee80211_adjust_monitor_flags(sdata, 1);
97 ieee80211_configure_filter(local);
100 * Because the interface is down, ieee80211_do_stop
101 * and ieee80211_do_open take care of "everything"
102 * mentioned in the comment above.
104 sdata->u.mntr_flags = *flags;
111 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
112 struct wireless_dev *wdev)
114 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
117 mutex_lock(&sdata->local->chanctx_mtx);
118 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
119 mutex_unlock(&sdata->local->chanctx_mtx);
123 return ieee80211_do_open(wdev, true);
126 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
127 struct wireless_dev *wdev)
129 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
132 static int ieee80211_set_noack_map(struct wiphy *wiphy,
133 struct net_device *dev,
136 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
138 sdata->noack_map = noack_map;
140 ieee80211_check_fast_xmit_iface(sdata);
145 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
146 u8 key_idx, bool pairwise, const u8 *mac_addr,
147 struct key_params *params)
149 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
150 struct ieee80211_local *local = sdata->local;
151 struct sta_info *sta = NULL;
152 const struct ieee80211_cipher_scheme *cs = NULL;
153 struct ieee80211_key *key;
156 if (!ieee80211_sdata_running(sdata))
159 /* reject WEP and TKIP keys if WEP failed to initialize */
160 switch (params->cipher) {
161 case WLAN_CIPHER_SUITE_WEP40:
162 case WLAN_CIPHER_SUITE_TKIP:
163 case WLAN_CIPHER_SUITE_WEP104:
164 if (IS_ERR(local->wep_tx_tfm))
167 case WLAN_CIPHER_SUITE_CCMP:
168 case WLAN_CIPHER_SUITE_CCMP_256:
169 case WLAN_CIPHER_SUITE_AES_CMAC:
170 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
171 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
172 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
173 case WLAN_CIPHER_SUITE_GCMP:
174 case WLAN_CIPHER_SUITE_GCMP_256:
177 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
181 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
182 params->key, params->seq_len, params->seq,
188 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
190 mutex_lock(&local->sta_mtx);
193 if (ieee80211_vif_is_mesh(&sdata->vif))
194 sta = sta_info_get(sdata, mac_addr);
196 sta = sta_info_get_bss(sdata, mac_addr);
198 * The ASSOC test makes sure the driver is ready to
199 * receive the key. When wpa_supplicant has roamed
200 * using FT, it attempts to set the key before
201 * association has completed, this rejects that attempt
202 * so it will set the key again after association.
204 * TODO: accept the key if we have a station entry and
205 * add it to the device after the station.
207 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
208 ieee80211_key_free_unused(key);
214 switch (sdata->vif.type) {
215 case NL80211_IFTYPE_STATION:
216 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
217 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
219 case NL80211_IFTYPE_AP:
220 case NL80211_IFTYPE_AP_VLAN:
221 /* Keys without a station are used for TX only */
222 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
223 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
225 case NL80211_IFTYPE_ADHOC:
228 case NL80211_IFTYPE_MESH_POINT:
229 #ifdef CONFIG_MAC80211_MESH
230 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
231 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
234 case NL80211_IFTYPE_WDS:
235 case NL80211_IFTYPE_MONITOR:
236 case NL80211_IFTYPE_P2P_DEVICE:
237 case NL80211_IFTYPE_UNSPECIFIED:
238 case NUM_NL80211_IFTYPES:
239 case NL80211_IFTYPE_P2P_CLIENT:
240 case NL80211_IFTYPE_P2P_GO:
241 case NL80211_IFTYPE_OCB:
242 /* shouldn't happen */
248 sta->cipher_scheme = cs;
250 err = ieee80211_key_link(key, sdata, sta);
253 mutex_unlock(&local->sta_mtx);
258 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
259 u8 key_idx, bool pairwise, const u8 *mac_addr)
261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
262 struct ieee80211_local *local = sdata->local;
263 struct sta_info *sta;
264 struct ieee80211_key *key = NULL;
267 mutex_lock(&local->sta_mtx);
268 mutex_lock(&local->key_mtx);
273 sta = sta_info_get_bss(sdata, mac_addr);
278 key = key_mtx_dereference(local, sta->ptk[key_idx]);
280 key = key_mtx_dereference(local, sta->gtk[key_idx]);
282 key = key_mtx_dereference(local, sdata->keys[key_idx]);
289 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
293 mutex_unlock(&local->key_mtx);
294 mutex_unlock(&local->sta_mtx);
299 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
300 u8 key_idx, bool pairwise, const u8 *mac_addr,
302 void (*callback)(void *cookie,
303 struct key_params *params))
305 struct ieee80211_sub_if_data *sdata;
306 struct sta_info *sta = NULL;
308 struct key_params params;
309 struct ieee80211_key *key = NULL;
314 struct ieee80211_key_seq kseq = {};
316 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
321 sta = sta_info_get_bss(sdata, mac_addr);
325 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
326 key = rcu_dereference(sta->ptk[key_idx]);
327 else if (!pairwise &&
328 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
329 key = rcu_dereference(sta->gtk[key_idx]);
331 key = rcu_dereference(sdata->keys[key_idx]);
336 memset(¶ms, 0, sizeof(params));
338 params.cipher = key->conf.cipher;
340 switch (key->conf.cipher) {
341 case WLAN_CIPHER_SUITE_TKIP:
342 iv32 = key->u.tkip.tx.iv32;
343 iv16 = key->u.tkip.tx.iv16;
345 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
346 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
347 drv_get_key_seq(sdata->local, key, &kseq);
348 iv32 = kseq.tkip.iv32;
349 iv16 = kseq.tkip.iv16;
352 seq[0] = iv16 & 0xff;
353 seq[1] = (iv16 >> 8) & 0xff;
354 seq[2] = iv32 & 0xff;
355 seq[3] = (iv32 >> 8) & 0xff;
356 seq[4] = (iv32 >> 16) & 0xff;
357 seq[5] = (iv32 >> 24) & 0xff;
361 case WLAN_CIPHER_SUITE_CCMP:
362 case WLAN_CIPHER_SUITE_CCMP_256:
363 case WLAN_CIPHER_SUITE_AES_CMAC:
364 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
365 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
366 offsetof(typeof(kseq), aes_cmac));
367 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
368 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
369 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
370 offsetof(typeof(kseq), aes_gmac));
371 case WLAN_CIPHER_SUITE_GCMP:
372 case WLAN_CIPHER_SUITE_GCMP_256:
373 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
374 offsetof(typeof(kseq), gcmp));
376 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
377 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
378 drv_get_key_seq(sdata->local, key, &kseq);
379 memcpy(seq, kseq.ccmp.pn, 6);
381 pn64 = atomic64_read(&key->conf.tx_pn);
393 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
395 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
397 drv_get_key_seq(sdata->local, key, &kseq);
398 params.seq = kseq.hw.seq;
399 params.seq_len = kseq.hw.seq_len;
403 params.key = key->conf.key;
404 params.key_len = key->conf.keylen;
406 callback(cookie, ¶ms);
414 static int ieee80211_config_default_key(struct wiphy *wiphy,
415 struct net_device *dev,
416 u8 key_idx, bool uni,
419 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
421 ieee80211_set_default_key(sdata, key_idx, uni, multi);
426 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
427 struct net_device *dev,
430 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
432 ieee80211_set_default_mgmt_key(sdata, key_idx);
437 void sta_set_rate_info_tx(struct sta_info *sta,
438 const struct ieee80211_tx_rate *rate,
439 struct rate_info *rinfo)
442 if (rate->flags & IEEE80211_TX_RC_MCS) {
443 rinfo->flags |= RATE_INFO_FLAGS_MCS;
444 rinfo->mcs = rate->idx;
445 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
446 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
447 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
448 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
450 struct ieee80211_supported_band *sband;
451 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
454 sband = sta->local->hw.wiphy->bands[
455 ieee80211_get_sdata_band(sta->sdata)];
456 brate = sband->bitrates[rate->idx].bitrate;
457 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
459 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
460 rinfo->bw = RATE_INFO_BW_40;
461 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
462 rinfo->bw = RATE_INFO_BW_80;
463 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
464 rinfo->bw = RATE_INFO_BW_160;
466 rinfo->bw = RATE_INFO_BW_20;
467 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
468 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
471 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
472 int idx, u8 *mac, struct station_info *sinfo)
474 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
475 struct ieee80211_local *local = sdata->local;
476 struct sta_info *sta;
479 mutex_lock(&local->sta_mtx);
481 sta = sta_info_get_by_idx(sdata, idx);
484 memcpy(mac, sta->sta.addr, ETH_ALEN);
485 sta_set_sinfo(sta, sinfo);
488 mutex_unlock(&local->sta_mtx);
493 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
494 int idx, struct survey_info *survey)
496 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
498 return drv_get_survey(local, idx, survey);
501 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
502 const u8 *mac, struct station_info *sinfo)
504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505 struct ieee80211_local *local = sdata->local;
506 struct sta_info *sta;
509 mutex_lock(&local->sta_mtx);
511 sta = sta_info_get_bss(sdata, mac);
514 sta_set_sinfo(sta, sinfo);
517 mutex_unlock(&local->sta_mtx);
522 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
523 struct cfg80211_chan_def *chandef)
525 struct ieee80211_local *local = wiphy_priv(wiphy);
526 struct ieee80211_sub_if_data *sdata;
529 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
532 mutex_lock(&local->mtx);
533 mutex_lock(&local->iflist_mtx);
534 if (local->use_chanctx) {
535 sdata = rcu_dereference_protected(
536 local->monitor_sdata,
537 lockdep_is_held(&local->iflist_mtx));
539 ieee80211_vif_release_channel(sdata);
540 ret = ieee80211_vif_use_channel(sdata, chandef,
541 IEEE80211_CHANCTX_EXCLUSIVE);
543 } else if (local->open_count == local->monitors) {
544 local->_oper_chandef = *chandef;
545 ieee80211_hw_config(local, 0);
549 local->monitor_chandef = *chandef;
550 mutex_unlock(&local->iflist_mtx);
551 mutex_unlock(&local->mtx);
556 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
557 const u8 *resp, size_t resp_len,
558 const struct ieee80211_csa_settings *csa)
560 struct probe_resp *new, *old;
562 if (!resp || !resp_len)
565 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
567 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
572 memcpy(new->data, resp, resp_len);
575 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
576 csa->n_counter_offsets_presp *
577 sizeof(new->csa_counter_offsets[0]));
579 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
581 kfree_rcu(old, rcu_head);
586 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
587 struct cfg80211_beacon_data *params,
588 const struct ieee80211_csa_settings *csa)
590 struct beacon_data *new, *old;
591 int new_head_len, new_tail_len;
593 u32 changed = BSS_CHANGED_BEACON;
595 old = sdata_dereference(sdata->u.ap.beacon, sdata);
598 /* Need to have a beacon head if we don't have one yet */
599 if (!params->head && !old)
602 /* new or old head? */
604 new_head_len = params->head_len;
606 new_head_len = old->head_len;
608 /* new or old tail? */
609 if (params->tail || !old)
610 /* params->tail_len will be zero for !params->tail */
611 new_tail_len = params->tail_len;
613 new_tail_len = old->tail_len;
615 size = sizeof(*new) + new_head_len + new_tail_len;
617 new = kzalloc(size, GFP_KERNEL);
621 /* start filling the new info now */
624 * pointers go into the block we allocated,
625 * memory is | beacon_data | head | tail |
627 new->head = ((u8 *) new) + sizeof(*new);
628 new->tail = new->head + new_head_len;
629 new->head_len = new_head_len;
630 new->tail_len = new_tail_len;
633 new->csa_current_counter = csa->count;
634 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
635 csa->n_counter_offsets_beacon *
636 sizeof(new->csa_counter_offsets[0]));
641 memcpy(new->head, params->head, new_head_len);
643 memcpy(new->head, old->head, new_head_len);
645 /* copy in optional tail */
647 memcpy(new->tail, params->tail, new_tail_len);
650 memcpy(new->tail, old->tail, new_tail_len);
652 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
653 params->probe_resp_len, csa);
657 changed |= BSS_CHANGED_AP_PROBE_RESP;
659 rcu_assign_pointer(sdata->u.ap.beacon, new);
662 kfree_rcu(old, rcu_head);
667 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
668 struct cfg80211_ap_settings *params)
670 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
671 struct ieee80211_local *local = sdata->local;
672 struct beacon_data *old;
673 struct ieee80211_sub_if_data *vlan;
674 u32 changed = BSS_CHANGED_BEACON_INT |
675 BSS_CHANGED_BEACON_ENABLED |
682 old = sdata_dereference(sdata->u.ap.beacon, sdata);
686 switch (params->smps_mode) {
687 case NL80211_SMPS_OFF:
688 sdata->smps_mode = IEEE80211_SMPS_OFF;
690 case NL80211_SMPS_STATIC:
691 sdata->smps_mode = IEEE80211_SMPS_STATIC;
693 case NL80211_SMPS_DYNAMIC:
694 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
699 sdata->needed_rx_chains = sdata->local->rx_chains;
701 mutex_lock(&local->mtx);
702 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
703 IEEE80211_CHANCTX_SHARED);
705 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
706 mutex_unlock(&local->mtx);
711 * Apply control port protocol, this allows us to
712 * not encrypt dynamic WEP control frames.
714 sdata->control_port_protocol = params->crypto.control_port_ethertype;
715 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
716 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
720 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
721 vlan->control_port_protocol =
722 params->crypto.control_port_ethertype;
723 vlan->control_port_no_encrypt =
724 params->crypto.control_port_no_encrypt;
725 vlan->encrypt_headroom =
726 ieee80211_cs_headroom(sdata->local,
731 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
732 sdata->vif.bss_conf.dtim_period = params->dtim_period;
733 sdata->vif.bss_conf.enable_beacon = true;
735 sdata->vif.bss_conf.ssid_len = params->ssid_len;
736 if (params->ssid_len)
737 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
739 sdata->vif.bss_conf.hidden_ssid =
740 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
742 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
743 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
744 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
745 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
746 if (params->p2p_opp_ps)
747 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
748 IEEE80211_P2P_OPPPS_ENABLE_BIT;
750 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
752 ieee80211_vif_release_channel(sdata);
757 err = drv_start_ap(sdata->local, sdata);
759 old = sdata_dereference(sdata->u.ap.beacon, sdata);
762 kfree_rcu(old, rcu_head);
763 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
764 ieee80211_vif_release_channel(sdata);
768 ieee80211_recalc_dtim(local, sdata);
769 ieee80211_bss_info_change_notify(sdata, changed);
771 netif_carrier_on(dev);
772 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
773 netif_carrier_on(vlan->dev);
778 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
779 struct cfg80211_beacon_data *params)
781 struct ieee80211_sub_if_data *sdata;
782 struct beacon_data *old;
785 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
786 sdata_assert_lock(sdata);
788 /* don't allow changing the beacon while CSA is in place - offset
789 * of channel switch counter may change
791 if (sdata->vif.csa_active)
794 old = sdata_dereference(sdata->u.ap.beacon, sdata);
798 err = ieee80211_assign_beacon(sdata, params, NULL);
801 ieee80211_bss_info_change_notify(sdata, err);
805 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
807 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
808 struct ieee80211_sub_if_data *vlan;
809 struct ieee80211_local *local = sdata->local;
810 struct beacon_data *old_beacon;
811 struct probe_resp *old_probe_resp;
812 struct cfg80211_chan_def chandef;
814 sdata_assert_lock(sdata);
816 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
819 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
821 /* abort any running channel switch */
822 mutex_lock(&local->mtx);
823 sdata->vif.csa_active = false;
824 if (sdata->csa_block_tx) {
825 ieee80211_wake_vif_queues(local, sdata,
826 IEEE80211_QUEUE_STOP_REASON_CSA);
827 sdata->csa_block_tx = false;
830 mutex_unlock(&local->mtx);
832 kfree(sdata->u.ap.next_beacon);
833 sdata->u.ap.next_beacon = NULL;
835 /* turn off carrier for this interface and dependent VLANs */
836 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
837 netif_carrier_off(vlan->dev);
838 netif_carrier_off(dev);
840 /* remove beacon and probe response */
841 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
842 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
843 kfree_rcu(old_beacon, rcu_head);
845 kfree_rcu(old_probe_resp, rcu_head);
846 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
848 __sta_info_flush(sdata, true);
849 ieee80211_free_keys(sdata, true);
851 sdata->vif.bss_conf.enable_beacon = false;
852 sdata->vif.bss_conf.ssid_len = 0;
853 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
854 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
856 if (sdata->wdev.cac_started) {
857 chandef = sdata->vif.bss_conf.chandef;
858 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
859 cfg80211_cac_event(sdata->dev, &chandef,
860 NL80211_RADAR_CAC_ABORTED,
864 drv_stop_ap(sdata->local, sdata);
866 /* free all potentially still buffered bcast frames */
867 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
868 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
870 mutex_lock(&local->mtx);
871 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
872 ieee80211_vif_release_channel(sdata);
873 mutex_unlock(&local->mtx);
878 static int sta_apply_auth_flags(struct ieee80211_local *local,
879 struct sta_info *sta,
884 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
885 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
886 !test_sta_flag(sta, WLAN_STA_AUTH)) {
887 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
892 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
893 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
894 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
896 * When peer becomes associated, init rate control as
897 * well. Some drivers require rate control initialized
898 * before drv_sta_state() is called.
900 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
901 rate_control_rate_init(sta);
903 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
908 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
909 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
910 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
911 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
912 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
919 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
920 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
921 test_sta_flag(sta, WLAN_STA_ASSOC)) {
922 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
927 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
928 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
929 test_sta_flag(sta, WLAN_STA_AUTH)) {
930 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
938 static void sta_apply_mesh_params(struct ieee80211_local *local,
939 struct sta_info *sta,
940 struct station_parameters *params)
942 #ifdef CONFIG_MAC80211_MESH
943 struct ieee80211_sub_if_data *sdata = sta->sdata;
946 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
947 switch (params->plink_state) {
948 case NL80211_PLINK_ESTAB:
949 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
950 changed = mesh_plink_inc_estab_count(sdata);
951 sta->mesh->plink_state = params->plink_state;
953 ieee80211_mps_sta_status_update(sta);
954 changed |= ieee80211_mps_set_sta_local_pm(sta,
955 sdata->u.mesh.mshcfg.power_mode);
957 case NL80211_PLINK_LISTEN:
958 case NL80211_PLINK_BLOCKED:
959 case NL80211_PLINK_OPN_SNT:
960 case NL80211_PLINK_OPN_RCVD:
961 case NL80211_PLINK_CNF_RCVD:
962 case NL80211_PLINK_HOLDING:
963 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
964 changed = mesh_plink_dec_estab_count(sdata);
965 sta->mesh->plink_state = params->plink_state;
967 ieee80211_mps_sta_status_update(sta);
968 changed |= ieee80211_mps_set_sta_local_pm(sta,
969 NL80211_MESH_POWER_UNKNOWN);
977 switch (params->plink_action) {
978 case NL80211_PLINK_ACTION_NO_ACTION:
981 case NL80211_PLINK_ACTION_OPEN:
982 changed |= mesh_plink_open(sta);
984 case NL80211_PLINK_ACTION_BLOCK:
985 changed |= mesh_plink_block(sta);
989 if (params->local_pm)
990 changed |= ieee80211_mps_set_sta_local_pm(sta,
993 ieee80211_mbss_info_change_notify(sdata, changed);
997 static int sta_apply_parameters(struct ieee80211_local *local,
998 struct sta_info *sta,
999 struct station_parameters *params)
1002 struct ieee80211_supported_band *sband;
1003 struct ieee80211_sub_if_data *sdata = sta->sdata;
1004 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1007 sband = local->hw.wiphy->bands[band];
1009 mask = params->sta_flags_mask;
1010 set = params->sta_flags_set;
1012 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1014 * In mesh mode, ASSOCIATED isn't part of the nl80211
1015 * API but must follow AUTHENTICATED for driver state.
1017 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1018 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1019 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1020 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1021 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1023 * TDLS -- everything follows authorized, but
1024 * only becoming authorized is possible, not
1027 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1028 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1029 BIT(NL80211_STA_FLAG_ASSOCIATED);
1030 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1031 BIT(NL80211_STA_FLAG_ASSOCIATED);
1035 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1036 local->hw.queues >= IEEE80211_NUM_ACS)
1037 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1039 /* auth flags will be set later for TDLS,
1040 * and for unassociated stations that move to assocaited */
1041 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1042 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1043 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1044 ret = sta_apply_auth_flags(local, sta, mask, set);
1049 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1050 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1051 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1053 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1056 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1057 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1058 if (set & BIT(NL80211_STA_FLAG_MFP))
1059 set_sta_flag(sta, WLAN_STA_MFP);
1061 clear_sta_flag(sta, WLAN_STA_MFP);
1064 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1065 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1066 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1068 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1071 /* mark TDLS channel switch support, if the AP allows it */
1072 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1073 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1074 params->ext_capab_len >= 4 &&
1075 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1076 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1078 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1079 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1080 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1081 params->ext_capab_len >= 8 &&
1082 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1083 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1085 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1086 sta->sta.uapsd_queues = params->uapsd_queues;
1087 sta->sta.max_sp = params->max_sp;
1091 * cfg80211 validates this (1-2007) and allows setting the AID
1092 * only when creating a new station entry
1095 sta->sta.aid = params->aid;
1098 * Some of the following updates would be racy if called on an
1099 * existing station, via ieee80211_change_station(). However,
1100 * all such changes are rejected by cfg80211 except for updates
1101 * changing the supported rates on an existing but not yet used
1105 if (params->listen_interval >= 0)
1106 sta->listen_interval = params->listen_interval;
1108 if (params->supported_rates) {
1109 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1110 sband, params->supported_rates,
1111 params->supported_rates_len,
1112 &sta->sta.supp_rates[band]);
1115 if (params->ht_capa)
1116 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1117 params->ht_capa, sta);
1119 if (params->vht_capa)
1120 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1121 params->vht_capa, sta);
1123 if (params->opmode_notif_used) {
1124 /* returned value is only needed for rc update, but the
1125 * rc isn't initialized here yet, so ignore it
1127 __ieee80211_vht_handle_opmode(sdata, sta,
1128 params->opmode_notif, band);
1131 if (ieee80211_vif_is_mesh(&sdata->vif))
1132 sta_apply_mesh_params(local, sta, params);
1134 /* set the STA state after all sta info from usermode has been set */
1135 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1136 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1137 ret = sta_apply_auth_flags(local, sta, mask, set);
1145 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1147 struct station_parameters *params)
1149 struct ieee80211_local *local = wiphy_priv(wiphy);
1150 struct sta_info *sta;
1151 struct ieee80211_sub_if_data *sdata;
1155 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1157 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1158 sdata->vif.type != NL80211_IFTYPE_AP)
1161 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1163 if (ether_addr_equal(mac, sdata->vif.addr))
1166 if (is_multicast_ether_addr(mac))
1169 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1170 sdata->vif.type == NL80211_IFTYPE_STATION &&
1171 !sdata->u.mgd.associated)
1174 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1179 * defaults -- if userspace wants something else we'll
1180 * change it accordingly in sta_apply_parameters()
1182 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
1183 !(params->sta_flags_set & (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1184 BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1185 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1186 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1188 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1189 sta->sta.tdls = true;
1191 err = sta_apply_parameters(local, sta, params);
1193 sta_info_free(local, sta);
1198 * for TDLS and for unassociated station, rate control should be
1199 * initialized only when rates are known and station is marked
1200 * authorized/associated
1202 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1203 test_sta_flag(sta, WLAN_STA_ASSOC))
1204 rate_control_rate_init(sta);
1206 err = sta_info_insert_rcu(sta);
1217 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1218 struct station_del_parameters *params)
1220 struct ieee80211_sub_if_data *sdata;
1222 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1225 return sta_info_destroy_addr_bss(sdata, params->mac);
1227 sta_info_flush(sdata);
1231 static int ieee80211_change_station(struct wiphy *wiphy,
1232 struct net_device *dev, const u8 *mac,
1233 struct station_parameters *params)
1235 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1236 struct ieee80211_local *local = wiphy_priv(wiphy);
1237 struct sta_info *sta;
1238 struct ieee80211_sub_if_data *vlansdata;
1239 enum cfg80211_station_type statype;
1242 mutex_lock(&local->sta_mtx);
1244 sta = sta_info_get_bss(sdata, mac);
1250 switch (sdata->vif.type) {
1251 case NL80211_IFTYPE_MESH_POINT:
1252 if (sdata->u.mesh.user_mpm)
1253 statype = CFG80211_STA_MESH_PEER_USER;
1255 statype = CFG80211_STA_MESH_PEER_KERNEL;
1257 case NL80211_IFTYPE_ADHOC:
1258 statype = CFG80211_STA_IBSS;
1260 case NL80211_IFTYPE_STATION:
1261 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1262 statype = CFG80211_STA_AP_STA;
1265 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1266 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1268 statype = CFG80211_STA_TDLS_PEER_SETUP;
1270 case NL80211_IFTYPE_AP:
1271 case NL80211_IFTYPE_AP_VLAN:
1272 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1273 statype = CFG80211_STA_AP_CLIENT;
1275 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1282 err = cfg80211_check_station_change(wiphy, params, statype);
1286 if (params->vlan && params->vlan != sta->sdata->dev) {
1287 bool prev_4addr = false;
1288 bool new_4addr = false;
1290 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1292 if (params->vlan->ieee80211_ptr->use_4addr) {
1293 if (vlansdata->u.vlan.sta) {
1298 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1302 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1303 sta->sdata->u.vlan.sta) {
1304 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1308 sta->sdata = vlansdata;
1309 ieee80211_check_fast_xmit(sta);
1311 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1312 prev_4addr != new_4addr) {
1314 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1316 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1319 if (sta->sta_state == IEEE80211_STA_AUTHORIZED)
1320 cfg80211_send_layer2_update(sta->sdata->dev,
1324 err = sta_apply_parameters(local, sta, params);
1328 mutex_unlock(&local->sta_mtx);
1330 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1331 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1332 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1333 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1334 sta_info_tx_streams(sta) != 1) {
1336 "%pM just authorized and MIMO capable - update SMPS\n",
1338 ieee80211_send_smps_action(sta->sdata,
1339 sta->sdata->bss->req_smps,
1341 sta->sdata->vif.bss_conf.bssid);
1344 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1345 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1346 ieee80211_recalc_ps(local);
1347 ieee80211_recalc_ps_vif(sdata);
1352 mutex_unlock(&local->sta_mtx);
1356 #ifdef CONFIG_MAC80211_MESH
1357 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1358 const u8 *dst, const u8 *next_hop)
1360 struct ieee80211_sub_if_data *sdata;
1361 struct mesh_path *mpath;
1362 struct sta_info *sta;
1364 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1367 sta = sta_info_get(sdata, next_hop);
1373 mpath = mesh_path_add(sdata, dst);
1374 if (IS_ERR(mpath)) {
1376 return PTR_ERR(mpath);
1379 mesh_path_fix_nexthop(mpath, sta);
1385 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1391 return mesh_path_del(sdata, dst);
1393 mesh_path_flush_by_iface(sdata);
1397 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1398 const u8 *dst, const u8 *next_hop)
1400 struct ieee80211_sub_if_data *sdata;
1401 struct mesh_path *mpath;
1402 struct sta_info *sta;
1404 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1408 sta = sta_info_get(sdata, next_hop);
1414 mpath = mesh_path_lookup(sdata, dst);
1420 mesh_path_fix_nexthop(mpath, sta);
1426 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1427 struct mpath_info *pinfo)
1429 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1432 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1434 eth_zero_addr(next_hop);
1436 memset(pinfo, 0, sizeof(*pinfo));
1438 pinfo->generation = mesh_paths_generation;
1440 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1443 MPATH_INFO_EXPTIME |
1444 MPATH_INFO_DISCOVERY_TIMEOUT |
1445 MPATH_INFO_DISCOVERY_RETRIES |
1448 pinfo->frame_qlen = mpath->frame_queue.qlen;
1449 pinfo->sn = mpath->sn;
1450 pinfo->metric = mpath->metric;
1451 if (time_before(jiffies, mpath->exp_time))
1452 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1453 pinfo->discovery_timeout =
1454 jiffies_to_msecs(mpath->discovery_timeout);
1455 pinfo->discovery_retries = mpath->discovery_retries;
1456 if (mpath->flags & MESH_PATH_ACTIVE)
1457 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1458 if (mpath->flags & MESH_PATH_RESOLVING)
1459 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1460 if (mpath->flags & MESH_PATH_SN_VALID)
1461 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1462 if (mpath->flags & MESH_PATH_FIXED)
1463 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1464 if (mpath->flags & MESH_PATH_RESOLVED)
1465 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1468 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1469 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1472 struct ieee80211_sub_if_data *sdata;
1473 struct mesh_path *mpath;
1475 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1478 mpath = mesh_path_lookup(sdata, dst);
1483 memcpy(dst, mpath->dst, ETH_ALEN);
1484 mpath_set_pinfo(mpath, next_hop, pinfo);
1489 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1490 int idx, u8 *dst, u8 *next_hop,
1491 struct mpath_info *pinfo)
1493 struct ieee80211_sub_if_data *sdata;
1494 struct mesh_path *mpath;
1496 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1499 mpath = mesh_path_lookup_by_idx(sdata, idx);
1504 memcpy(dst, mpath->dst, ETH_ALEN);
1505 mpath_set_pinfo(mpath, next_hop, pinfo);
1510 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1511 struct mpath_info *pinfo)
1513 memset(pinfo, 0, sizeof(*pinfo));
1514 memcpy(mpp, mpath->mpp, ETH_ALEN);
1516 pinfo->generation = mpp_paths_generation;
1519 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1520 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1523 struct ieee80211_sub_if_data *sdata;
1524 struct mesh_path *mpath;
1526 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1529 mpath = mpp_path_lookup(sdata, dst);
1534 memcpy(dst, mpath->dst, ETH_ALEN);
1535 mpp_set_pinfo(mpath, mpp, pinfo);
1540 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1541 int idx, u8 *dst, u8 *mpp,
1542 struct mpath_info *pinfo)
1544 struct ieee80211_sub_if_data *sdata;
1545 struct mesh_path *mpath;
1547 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1550 mpath = mpp_path_lookup_by_idx(sdata, idx);
1555 memcpy(dst, mpath->dst, ETH_ALEN);
1556 mpp_set_pinfo(mpath, mpp, pinfo);
1561 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1562 struct net_device *dev,
1563 struct mesh_config *conf)
1565 struct ieee80211_sub_if_data *sdata;
1566 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1568 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1572 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1574 return (mask >> (parm-1)) & 0x1;
1577 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1578 const struct mesh_setup *setup)
1582 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1583 struct ieee80211_sub_if_data, u.mesh);
1585 /* allocate information elements */
1589 if (setup->ie_len) {
1590 new_ie = kmemdup(setup->ie, setup->ie_len,
1595 ifmsh->ie_len = setup->ie_len;
1599 /* now copy the rest of the setup parameters */
1600 ifmsh->mesh_id_len = setup->mesh_id_len;
1601 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1602 ifmsh->mesh_sp_id = setup->sync_method;
1603 ifmsh->mesh_pp_id = setup->path_sel_proto;
1604 ifmsh->mesh_pm_id = setup->path_metric;
1605 ifmsh->user_mpm = setup->user_mpm;
1606 ifmsh->mesh_auth_id = setup->auth_id;
1607 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1608 if (setup->is_authenticated)
1609 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1610 if (setup->is_secure)
1611 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1613 /* mcast rate setting in Mesh Node */
1614 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1615 sizeof(setup->mcast_rate));
1616 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1618 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1619 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1624 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1625 struct net_device *dev, u32 mask,
1626 const struct mesh_config *nconf)
1628 struct mesh_config *conf;
1629 struct ieee80211_sub_if_data *sdata;
1630 struct ieee80211_if_mesh *ifmsh;
1632 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1633 ifmsh = &sdata->u.mesh;
1635 /* Set the config options which we are interested in setting */
1636 conf = &(sdata->u.mesh.mshcfg);
1637 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1638 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1639 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1640 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1641 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1642 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1643 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1644 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1645 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1646 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1647 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1648 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1649 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1650 conf->element_ttl = nconf->element_ttl;
1651 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1652 if (ifmsh->user_mpm)
1654 conf->auto_open_plinks = nconf->auto_open_plinks;
1656 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1657 conf->dot11MeshNbrOffsetMaxNeighbor =
1658 nconf->dot11MeshNbrOffsetMaxNeighbor;
1659 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1660 conf->dot11MeshHWMPmaxPREQretries =
1661 nconf->dot11MeshHWMPmaxPREQretries;
1662 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1663 conf->path_refresh_time = nconf->path_refresh_time;
1664 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1665 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1666 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1667 conf->dot11MeshHWMPactivePathTimeout =
1668 nconf->dot11MeshHWMPactivePathTimeout;
1669 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1670 conf->dot11MeshHWMPpreqMinInterval =
1671 nconf->dot11MeshHWMPpreqMinInterval;
1672 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1673 conf->dot11MeshHWMPperrMinInterval =
1674 nconf->dot11MeshHWMPperrMinInterval;
1675 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1677 conf->dot11MeshHWMPnetDiameterTraversalTime =
1678 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1679 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1680 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1681 ieee80211_mesh_root_setup(ifmsh);
1683 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1684 /* our current gate announcement implementation rides on root
1685 * announcements, so require this ifmsh to also be a root node
1687 if (nconf->dot11MeshGateAnnouncementProtocol &&
1688 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1689 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1690 ieee80211_mesh_root_setup(ifmsh);
1692 conf->dot11MeshGateAnnouncementProtocol =
1693 nconf->dot11MeshGateAnnouncementProtocol;
1695 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1696 conf->dot11MeshHWMPRannInterval =
1697 nconf->dot11MeshHWMPRannInterval;
1698 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1699 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1700 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1701 /* our RSSI threshold implementation is supported only for
1702 * devices that report signal in dBm.
1704 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1706 conf->rssi_threshold = nconf->rssi_threshold;
1708 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1709 conf->ht_opmode = nconf->ht_opmode;
1710 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1711 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1713 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1714 conf->dot11MeshHWMPactivePathToRootTimeout =
1715 nconf->dot11MeshHWMPactivePathToRootTimeout;
1716 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1717 conf->dot11MeshHWMProotInterval =
1718 nconf->dot11MeshHWMProotInterval;
1719 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1720 conf->dot11MeshHWMPconfirmationInterval =
1721 nconf->dot11MeshHWMPconfirmationInterval;
1722 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1723 conf->power_mode = nconf->power_mode;
1724 ieee80211_mps_local_status_update(sdata);
1726 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1727 conf->dot11MeshAwakeWindowDuration =
1728 nconf->dot11MeshAwakeWindowDuration;
1729 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1730 conf->plink_timeout = nconf->plink_timeout;
1731 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1735 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1736 const struct mesh_config *conf,
1737 const struct mesh_setup *setup)
1739 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1740 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1743 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1744 err = copy_mesh_setup(ifmsh, setup);
1748 /* can mesh use other SMPS modes? */
1749 sdata->smps_mode = IEEE80211_SMPS_OFF;
1750 sdata->needed_rx_chains = sdata->local->rx_chains;
1752 mutex_lock(&sdata->local->mtx);
1753 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1754 IEEE80211_CHANCTX_SHARED);
1755 mutex_unlock(&sdata->local->mtx);
1759 return ieee80211_start_mesh(sdata);
1762 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1766 ieee80211_stop_mesh(sdata);
1767 mutex_lock(&sdata->local->mtx);
1768 ieee80211_vif_release_channel(sdata);
1769 kfree(sdata->u.mesh.ie);
1770 mutex_unlock(&sdata->local->mtx);
1776 static int ieee80211_change_bss(struct wiphy *wiphy,
1777 struct net_device *dev,
1778 struct bss_parameters *params)
1780 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1781 enum ieee80211_band band;
1784 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1787 band = ieee80211_get_sdata_band(sdata);
1789 if (params->use_cts_prot >= 0) {
1790 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1791 changed |= BSS_CHANGED_ERP_CTS_PROT;
1793 if (params->use_short_preamble >= 0) {
1794 sdata->vif.bss_conf.use_short_preamble =
1795 params->use_short_preamble;
1796 changed |= BSS_CHANGED_ERP_PREAMBLE;
1799 if (!sdata->vif.bss_conf.use_short_slot &&
1800 band == IEEE80211_BAND_5GHZ) {
1801 sdata->vif.bss_conf.use_short_slot = true;
1802 changed |= BSS_CHANGED_ERP_SLOT;
1805 if (params->use_short_slot_time >= 0) {
1806 sdata->vif.bss_conf.use_short_slot =
1807 params->use_short_slot_time;
1808 changed |= BSS_CHANGED_ERP_SLOT;
1811 if (params->basic_rates) {
1812 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1814 params->basic_rates,
1815 params->basic_rates_len,
1816 &sdata->vif.bss_conf.basic_rates);
1817 changed |= BSS_CHANGED_BASIC_RATES;
1820 if (params->ap_isolate >= 0) {
1821 if (params->ap_isolate)
1822 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1824 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1827 if (params->ht_opmode >= 0) {
1828 sdata->vif.bss_conf.ht_operation_mode =
1829 (u16) params->ht_opmode;
1830 changed |= BSS_CHANGED_HT;
1833 if (params->p2p_ctwindow >= 0) {
1834 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1835 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1836 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1837 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1838 changed |= BSS_CHANGED_P2P_PS;
1841 if (params->p2p_opp_ps > 0) {
1842 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1843 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1844 changed |= BSS_CHANGED_P2P_PS;
1845 } else if (params->p2p_opp_ps == 0) {
1846 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1847 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1848 changed |= BSS_CHANGED_P2P_PS;
1851 ieee80211_bss_info_change_notify(sdata, changed);
1856 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1857 struct net_device *dev,
1858 struct ieee80211_txq_params *params)
1860 struct ieee80211_local *local = wiphy_priv(wiphy);
1861 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1862 struct ieee80211_tx_queue_params p;
1864 if (!local->ops->conf_tx)
1867 if (local->hw.queues < IEEE80211_NUM_ACS)
1870 memset(&p, 0, sizeof(p));
1871 p.aifs = params->aifs;
1872 p.cw_max = params->cwmax;
1873 p.cw_min = params->cwmin;
1874 p.txop = params->txop;
1877 * Setting tx queue params disables u-apsd because it's only
1878 * called in master mode.
1882 sdata->tx_conf[params->ac] = p;
1883 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1884 wiphy_debug(local->hw.wiphy,
1885 "failed to set TX queue parameters for AC %d\n",
1890 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1896 static int ieee80211_suspend(struct wiphy *wiphy,
1897 struct cfg80211_wowlan *wowlan)
1899 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1902 static int ieee80211_resume(struct wiphy *wiphy)
1904 return __ieee80211_resume(wiphy_priv(wiphy));
1907 #define ieee80211_suspend NULL
1908 #define ieee80211_resume NULL
1911 static int ieee80211_scan(struct wiphy *wiphy,
1912 struct cfg80211_scan_request *req)
1914 struct ieee80211_sub_if_data *sdata;
1916 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1918 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1919 case NL80211_IFTYPE_STATION:
1920 case NL80211_IFTYPE_ADHOC:
1921 case NL80211_IFTYPE_MESH_POINT:
1922 case NL80211_IFTYPE_P2P_CLIENT:
1923 case NL80211_IFTYPE_P2P_DEVICE:
1925 case NL80211_IFTYPE_P2P_GO:
1926 if (sdata->local->ops->hw_scan)
1929 * FIXME: implement NoA while scanning in software,
1930 * for now fall through to allow scanning only when
1931 * beaconing hasn't been configured yet
1933 case NL80211_IFTYPE_AP:
1935 * If the scan has been forced (and the driver supports
1936 * forcing), don't care about being beaconing already.
1937 * This will create problems to the attached stations (e.g. all
1938 * the frames sent while scanning on other channel will be
1941 if (sdata->u.ap.beacon &&
1942 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1943 !(req->flags & NL80211_SCAN_FLAG_AP)))
1950 return ieee80211_request_scan(sdata, req);
1954 ieee80211_sched_scan_start(struct wiphy *wiphy,
1955 struct net_device *dev,
1956 struct cfg80211_sched_scan_request *req)
1958 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1960 if (!sdata->local->ops->sched_scan_start)
1963 return ieee80211_request_sched_scan_start(sdata, req);
1967 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1969 struct ieee80211_local *local = wiphy_priv(wiphy);
1971 if (!local->ops->sched_scan_stop)
1974 return ieee80211_request_sched_scan_stop(local);
1977 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1978 struct cfg80211_auth_request *req)
1980 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1983 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1984 struct cfg80211_assoc_request *req)
1986 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1989 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1990 struct cfg80211_deauth_request *req)
1992 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1995 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1996 struct cfg80211_disassoc_request *req)
1998 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2001 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2002 struct cfg80211_ibss_params *params)
2004 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2007 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2009 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2012 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2013 struct ocb_setup *setup)
2015 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2018 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2020 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2023 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2024 int rate[IEEE80211_NUM_BANDS])
2026 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2029 sizeof(int) * IEEE80211_NUM_BANDS);
2034 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2036 struct ieee80211_local *local = wiphy_priv(wiphy);
2039 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2040 ieee80211_check_fast_xmit_all(local);
2042 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2045 ieee80211_check_fast_xmit_all(local);
2050 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2051 (changed & WIPHY_PARAM_DYN_ACK)) {
2054 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2055 wiphy->coverage_class : -1;
2056 err = drv_set_coverage_class(local, coverage_class);
2062 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2063 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2069 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2070 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2072 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2074 if (changed & WIPHY_PARAM_RETRY_LONG) {
2075 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2077 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2080 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2081 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2086 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2087 struct wireless_dev *wdev,
2088 enum nl80211_tx_power_setting type, int mbm)
2090 struct ieee80211_local *local = wiphy_priv(wiphy);
2091 struct ieee80211_sub_if_data *sdata;
2092 enum nl80211_tx_power_setting txp_type = type;
2093 bool update_txp_type = false;
2096 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2099 case NL80211_TX_POWER_AUTOMATIC:
2100 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2101 txp_type = NL80211_TX_POWER_LIMITED;
2103 case NL80211_TX_POWER_LIMITED:
2104 case NL80211_TX_POWER_FIXED:
2105 if (mbm < 0 || (mbm % 100))
2107 sdata->user_power_level = MBM_TO_DBM(mbm);
2111 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2112 update_txp_type = true;
2113 sdata->vif.bss_conf.txpower_type = txp_type;
2116 ieee80211_recalc_txpower(sdata, update_txp_type);
2122 case NL80211_TX_POWER_AUTOMATIC:
2123 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2124 txp_type = NL80211_TX_POWER_LIMITED;
2126 case NL80211_TX_POWER_LIMITED:
2127 case NL80211_TX_POWER_FIXED:
2128 if (mbm < 0 || (mbm % 100))
2130 local->user_power_level = MBM_TO_DBM(mbm);
2134 mutex_lock(&local->iflist_mtx);
2135 list_for_each_entry(sdata, &local->interfaces, list) {
2136 sdata->user_power_level = local->user_power_level;
2137 if (txp_type != sdata->vif.bss_conf.txpower_type)
2138 update_txp_type = true;
2139 sdata->vif.bss_conf.txpower_type = txp_type;
2141 list_for_each_entry(sdata, &local->interfaces, list)
2142 ieee80211_recalc_txpower(sdata, update_txp_type);
2143 mutex_unlock(&local->iflist_mtx);
2148 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2149 struct wireless_dev *wdev,
2152 struct ieee80211_local *local = wiphy_priv(wiphy);
2153 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2155 if (local->ops->get_txpower)
2156 return drv_get_txpower(local, sdata, dbm);
2158 if (!local->use_chanctx)
2159 *dbm = local->hw.conf.power_level;
2161 *dbm = sdata->vif.bss_conf.txpower;
2166 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2169 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2171 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2176 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2178 struct ieee80211_local *local = wiphy_priv(wiphy);
2180 drv_rfkill_poll(local);
2183 #ifdef CONFIG_NL80211_TESTMODE
2184 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2185 struct wireless_dev *wdev,
2186 void *data, int len)
2188 struct ieee80211_local *local = wiphy_priv(wiphy);
2189 struct ieee80211_vif *vif = NULL;
2191 if (!local->ops->testmode_cmd)
2195 struct ieee80211_sub_if_data *sdata;
2197 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2198 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2202 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2205 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2206 struct sk_buff *skb,
2207 struct netlink_callback *cb,
2208 void *data, int len)
2210 struct ieee80211_local *local = wiphy_priv(wiphy);
2212 if (!local->ops->testmode_dump)
2215 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2219 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2220 enum ieee80211_smps_mode smps_mode)
2222 struct sta_info *sta;
2223 enum ieee80211_smps_mode old_req;
2225 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2228 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2231 old_req = sdata->u.ap.req_smps;
2232 sdata->u.ap.req_smps = smps_mode;
2234 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2235 if (old_req == smps_mode ||
2236 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2239 /* If no associated stations, there's no need to do anything */
2240 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2241 sdata->smps_mode = smps_mode;
2242 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2247 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2248 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2250 mutex_lock(&sdata->local->sta_mtx);
2251 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2253 * Only stations associated to our AP and
2256 if (sta->sdata->bss != &sdata->u.ap)
2259 /* This station doesn't support MIMO - skip it */
2260 if (sta_info_tx_streams(sta) == 1)
2264 * Don't wake up a STA just to send the action frame
2265 * unless we are getting more restrictive.
2267 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2268 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2270 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2276 * If the STA is not authorized, wait until it gets
2277 * authorized and the action frame will be sent then.
2279 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2282 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2283 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2284 sdata->vif.bss_conf.bssid);
2286 mutex_unlock(&sdata->local->sta_mtx);
2288 sdata->smps_mode = smps_mode;
2289 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2294 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2295 enum ieee80211_smps_mode smps_mode)
2298 enum ieee80211_smps_mode old_req;
2300 struct sta_info *sta;
2301 bool tdls_peer_found = false;
2303 lockdep_assert_held(&sdata->wdev.mtx);
2305 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2308 old_req = sdata->u.mgd.req_smps;
2309 sdata->u.mgd.req_smps = smps_mode;
2311 if (old_req == smps_mode &&
2312 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2316 * If not associated, or current association is not an HT
2317 * association, there's no need to do anything, just store
2318 * the new value until we associate.
2320 if (!sdata->u.mgd.associated ||
2321 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2324 ap = sdata->u.mgd.associated->bssid;
2327 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2328 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2329 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2332 tdls_peer_found = true;
2337 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2338 if (tdls_peer_found || !sdata->u.mgd.powersave)
2339 smps_mode = IEEE80211_SMPS_OFF;
2341 smps_mode = IEEE80211_SMPS_DYNAMIC;
2344 /* send SM PS frame to AP */
2345 err = ieee80211_send_smps_action(sdata, smps_mode,
2348 sdata->u.mgd.req_smps = old_req;
2349 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2350 ieee80211_teardown_tdls_peers(sdata);
2355 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2356 bool enabled, int timeout)
2358 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2359 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2361 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2364 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2367 if (enabled == sdata->u.mgd.powersave &&
2368 timeout == local->dynamic_ps_forced_timeout)
2371 sdata->u.mgd.powersave = enabled;
2372 local->dynamic_ps_forced_timeout = timeout;
2374 /* no change, but if automatic follow powersave */
2376 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2377 sdata_unlock(sdata);
2379 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2380 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2382 ieee80211_recalc_ps(local);
2383 ieee80211_recalc_ps_vif(sdata);
2388 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2389 struct net_device *dev,
2390 s32 rssi_thold, u32 rssi_hyst)
2392 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2393 struct ieee80211_vif *vif = &sdata->vif;
2394 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2396 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2397 rssi_hyst == bss_conf->cqm_rssi_hyst)
2400 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2401 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2404 bss_conf->cqm_rssi_thold = rssi_thold;
2405 bss_conf->cqm_rssi_hyst = rssi_hyst;
2406 sdata->u.mgd.last_cqm_event_signal = 0;
2408 /* tell the driver upon association, unless already associated */
2409 if (sdata->u.mgd.associated &&
2410 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2411 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2416 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2417 struct net_device *dev,
2419 const struct cfg80211_bitrate_mask *mask)
2421 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2422 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2425 if (!ieee80211_sdata_running(sdata))
2428 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2429 ret = drv_set_bitrate_mask(local, sdata, mask);
2434 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2435 struct ieee80211_supported_band *sband = wiphy->bands[i];
2438 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2439 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2440 sizeof(mask->control[i].ht_mcs));
2441 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2442 mask->control[i].vht_mcs,
2443 sizeof(mask->control[i].vht_mcs));
2445 sdata->rc_has_mcs_mask[i] = false;
2446 sdata->rc_has_vht_mcs_mask[i] = false;
2450 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2451 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2452 sdata->rc_has_mcs_mask[i] = true;
2457 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2458 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
2459 sdata->rc_has_vht_mcs_mask[i] = true;
2468 static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2469 struct ieee80211_roc_work *new_roc,
2470 struct ieee80211_roc_work *cur_roc)
2472 unsigned long now = jiffies;
2473 unsigned long remaining = cur_roc->hw_start_time +
2474 msecs_to_jiffies(cur_roc->duration) -
2477 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2480 /* if it doesn't fit entirely, schedule a new one */
2481 if (new_roc->duration > jiffies_to_msecs(remaining))
2484 ieee80211_handle_roc_started(new_roc);
2486 /* add to dependents so we send the expired event properly */
2487 list_add_tail(&new_roc->list, &cur_roc->dependents);
2491 static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
2493 lockdep_assert_held(&local->mtx);
2495 local->roc_cookie_counter++;
2497 /* wow, you wrapped 64 bits ... more likely a bug */
2498 if (WARN_ON(local->roc_cookie_counter == 0))
2499 local->roc_cookie_counter++;
2501 return local->roc_cookie_counter;
2504 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2505 struct ieee80211_sub_if_data *sdata,
2506 struct ieee80211_channel *channel,
2507 unsigned int duration, u64 *cookie,
2508 struct sk_buff *txskb,
2509 enum ieee80211_roc_type type)
2511 struct ieee80211_roc_work *roc, *tmp;
2512 bool queued = false;
2515 lockdep_assert_held(&local->mtx);
2517 if (local->use_chanctx && !local->ops->remain_on_channel)
2520 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2525 * If the duration is zero, then the driver
2526 * wouldn't actually do anything. Set it to
2529 * TODO: cancel the off-channel operation
2530 * when we get the SKB's TX status and
2531 * the wait time was zero before.
2536 roc->chan = channel;
2537 roc->duration = duration;
2538 roc->req_duration = duration;
2542 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2543 INIT_LIST_HEAD(&roc->dependents);
2546 * cookie is either the roc cookie (for normal roc)
2547 * or the SKB (for mgmt TX)
2550 roc->cookie = ieee80211_mgmt_tx_cookie(local);
2551 *cookie = roc->cookie;
2553 roc->mgmt_tx_cookie = *cookie;
2556 /* if there's one pending or we're scanning, queue this one */
2557 if (!list_empty(&local->roc_list) ||
2558 local->scanning || ieee80211_is_radar_required(local))
2559 goto out_check_combine;
2561 /* if not HW assist, just queue & schedule work */
2562 if (!local->ops->remain_on_channel) {
2563 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2567 /* otherwise actually kick it off here (for error handling) */
2569 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2575 roc->started = true;
2579 list_for_each_entry(tmp, &local->roc_list, list) {
2580 if (tmp->chan != channel || tmp->sdata != sdata)
2584 * Extend this ROC if possible:
2586 * If it hasn't started yet, just increase the duration
2587 * and add the new one to the list of dependents.
2588 * If the type of the new ROC has higher priority, modify the
2589 * type of the previous one to match that of the new one.
2591 if (!tmp->started) {
2592 list_add_tail(&roc->list, &tmp->dependents);
2593 tmp->duration = max(tmp->duration, roc->duration);
2594 tmp->type = max(tmp->type, roc->type);
2599 /* If it has already started, it's more difficult ... */
2600 if (local->ops->remain_on_channel) {
2602 * In the offloaded ROC case, if it hasn't begun, add
2603 * this new one to the dependent list to be handled
2604 * when the master one begins. If it has begun,
2605 * check if it fits entirely within the existing one,
2606 * in which case it will just be dependent as well.
2607 * Otherwise, schedule it by itself.
2609 if (!tmp->hw_begun) {
2610 list_add_tail(&roc->list, &tmp->dependents);
2615 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2617 } else if (del_timer_sync(&tmp->work.timer)) {
2618 unsigned long new_end;
2621 * In the software ROC case, cancel the timer, if
2622 * that fails then the finish work is already
2623 * queued/pending and thus we queue the new ROC
2624 * normally, if that succeeds then we can extend
2625 * the timer duration and TX the frame (if any.)
2628 list_add_tail(&roc->list, &tmp->dependents);
2631 new_end = jiffies + msecs_to_jiffies(roc->duration);
2633 /* ok, it was started & we canceled timer */
2634 if (time_after(new_end, tmp->work.timer.expires))
2635 mod_timer(&tmp->work.timer, new_end);
2637 add_timer(&tmp->work.timer);
2639 ieee80211_handle_roc_started(roc);
2646 list_add_tail(&roc->list, &local->roc_list);
2651 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2652 struct wireless_dev *wdev,
2653 struct ieee80211_channel *chan,
2654 unsigned int duration,
2657 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2658 struct ieee80211_local *local = sdata->local;
2661 mutex_lock(&local->mtx);
2662 ret = ieee80211_start_roc_work(local, sdata, chan,
2663 duration, cookie, NULL,
2664 IEEE80211_ROC_TYPE_NORMAL);
2665 mutex_unlock(&local->mtx);
2670 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2671 u64 cookie, bool mgmt_tx)
2673 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2676 mutex_lock(&local->mtx);
2677 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2678 struct ieee80211_roc_work *dep, *tmp2;
2680 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2681 if (!mgmt_tx && dep->cookie != cookie)
2683 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2685 /* found dependent item -- just remove it */
2686 list_del(&dep->list);
2687 mutex_unlock(&local->mtx);
2689 ieee80211_roc_notify_destroy(dep, true);
2693 if (!mgmt_tx && roc->cookie != cookie)
2695 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2703 mutex_unlock(&local->mtx);
2708 * We found the item to cancel, so do that. Note that it
2709 * may have dependents, which we also cancel (and send
2710 * the expired signal for.) Not doing so would be quite
2711 * tricky here, but we may need to fix it later.
2714 if (local->ops->remain_on_channel) {
2715 if (found->started) {
2716 ret = drv_cancel_remain_on_channel(local);
2717 if (WARN_ON_ONCE(ret)) {
2718 mutex_unlock(&local->mtx);
2723 list_del(&found->list);
2726 ieee80211_start_next_roc(local);
2727 mutex_unlock(&local->mtx);
2729 ieee80211_roc_notify_destroy(found, true);
2731 /* work may be pending so use it all the time */
2732 found->abort = true;
2733 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2735 mutex_unlock(&local->mtx);
2737 /* work will clean up etc */
2738 flush_delayed_work(&found->work);
2739 WARN_ON(!found->to_be_freed);
2746 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2747 struct wireless_dev *wdev,
2750 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2751 struct ieee80211_local *local = sdata->local;
2753 return ieee80211_cancel_roc(local, cookie, false);
2756 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2757 struct net_device *dev,
2758 struct cfg80211_chan_def *chandef,
2761 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2762 struct ieee80211_local *local = sdata->local;
2765 mutex_lock(&local->mtx);
2766 if (!list_empty(&local->roc_list) || local->scanning) {
2771 /* whatever, but channel contexts should not complain about that one */
2772 sdata->smps_mode = IEEE80211_SMPS_OFF;
2773 sdata->needed_rx_chains = local->rx_chains;
2775 err = ieee80211_vif_use_channel(sdata, chandef,
2776 IEEE80211_CHANCTX_SHARED);
2780 ieee80211_queue_delayed_work(&sdata->local->hw,
2781 &sdata->dfs_cac_timer_work,
2782 msecs_to_jiffies(cac_time_ms));
2785 mutex_unlock(&local->mtx);
2789 static struct cfg80211_beacon_data *
2790 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2792 struct cfg80211_beacon_data *new_beacon;
2796 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2797 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2798 beacon->probe_resp_len;
2800 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2804 pos = (u8 *)(new_beacon + 1);
2805 if (beacon->head_len) {
2806 new_beacon->head_len = beacon->head_len;
2807 new_beacon->head = pos;
2808 memcpy(pos, beacon->head, beacon->head_len);
2809 pos += beacon->head_len;
2811 if (beacon->tail_len) {
2812 new_beacon->tail_len = beacon->tail_len;
2813 new_beacon->tail = pos;
2814 memcpy(pos, beacon->tail, beacon->tail_len);
2815 pos += beacon->tail_len;
2817 if (beacon->beacon_ies_len) {
2818 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2819 new_beacon->beacon_ies = pos;
2820 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2821 pos += beacon->beacon_ies_len;
2823 if (beacon->proberesp_ies_len) {
2824 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2825 new_beacon->proberesp_ies = pos;
2826 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2827 pos += beacon->proberesp_ies_len;
2829 if (beacon->assocresp_ies_len) {
2830 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2831 new_beacon->assocresp_ies = pos;
2832 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2833 pos += beacon->assocresp_ies_len;
2835 if (beacon->probe_resp_len) {
2836 new_beacon->probe_resp_len = beacon->probe_resp_len;
2837 new_beacon->probe_resp = pos;
2838 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2839 pos += beacon->probe_resp_len;
2845 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2847 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2849 ieee80211_queue_work(&sdata->local->hw,
2850 &sdata->csa_finalize_work);
2852 EXPORT_SYMBOL(ieee80211_csa_finish);
2854 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2859 switch (sdata->vif.type) {
2860 case NL80211_IFTYPE_AP:
2861 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2863 kfree(sdata->u.ap.next_beacon);
2864 sdata->u.ap.next_beacon = NULL;
2870 case NL80211_IFTYPE_ADHOC:
2871 err = ieee80211_ibss_finish_csa(sdata);
2876 #ifdef CONFIG_MAC80211_MESH
2877 case NL80211_IFTYPE_MESH_POINT:
2878 err = ieee80211_mesh_finish_csa(sdata);
2892 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2894 struct ieee80211_local *local = sdata->local;
2898 sdata_assert_lock(sdata);
2899 lockdep_assert_held(&local->mtx);
2900 lockdep_assert_held(&local->chanctx_mtx);
2903 * using reservation isn't immediate as it may be deferred until later
2904 * with multi-vif. once reservation is complete it will re-schedule the
2905 * work with no reserved_chanctx so verify chandef to check if it
2906 * completed successfully
2909 if (sdata->reserved_chanctx) {
2911 * with multi-vif csa driver may call ieee80211_csa_finish()
2912 * many times while waiting for other interfaces to use their
2915 if (sdata->reserved_ready)
2918 return ieee80211_vif_use_reserved_context(sdata);
2921 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2922 &sdata->csa_chandef))
2925 sdata->vif.csa_active = false;
2927 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2931 ieee80211_bss_info_change_notify(sdata, changed);
2933 if (sdata->csa_block_tx) {
2934 ieee80211_wake_vif_queues(local, sdata,
2935 IEEE80211_QUEUE_STOP_REASON_CSA);
2936 sdata->csa_block_tx = false;
2939 err = drv_post_channel_switch(sdata);
2943 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2948 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2950 if (__ieee80211_csa_finalize(sdata)) {
2951 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2952 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2957 void ieee80211_csa_finalize_work(struct work_struct *work)
2959 struct ieee80211_sub_if_data *sdata =
2960 container_of(work, struct ieee80211_sub_if_data,
2962 struct ieee80211_local *local = sdata->local;
2965 mutex_lock(&local->mtx);
2966 mutex_lock(&local->chanctx_mtx);
2968 /* AP might have been stopped while waiting for the lock. */
2969 if (!sdata->vif.csa_active)
2972 if (!ieee80211_sdata_running(sdata))
2975 ieee80211_csa_finalize(sdata);
2978 mutex_unlock(&local->chanctx_mtx);
2979 mutex_unlock(&local->mtx);
2980 sdata_unlock(sdata);
2983 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
2984 struct cfg80211_csa_settings *params,
2987 struct ieee80211_csa_settings csa = {};
2990 switch (sdata->vif.type) {
2991 case NL80211_IFTYPE_AP:
2992 sdata->u.ap.next_beacon =
2993 cfg80211_beacon_dup(¶ms->beacon_after);
2994 if (!sdata->u.ap.next_beacon)
2998 * With a count of 0, we don't have to wait for any
2999 * TBTT before switching, so complete the CSA
3000 * immediately. In theory, with a count == 1 we
3001 * should delay the switch until just before the next
3002 * TBTT, but that would complicate things so we switch
3003 * immediately too. If we would delay the switch
3004 * until the next TBTT, we would have to set the probe
3007 * TODO: A channel switch with count <= 1 without
3008 * sending a CSA action frame is kind of useless,
3009 * because the clients won't know we're changing
3010 * channels. The action frame must be implemented
3011 * either here or in the userspace.
3013 if (params->count <= 1)
3016 if ((params->n_counter_offsets_beacon >
3017 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3018 (params->n_counter_offsets_presp >
3019 IEEE80211_MAX_CSA_COUNTERS_NUM))
3022 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3023 csa.counter_offsets_presp = params->counter_offsets_presp;
3024 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3025 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3026 csa.count = params->count;
3028 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3030 kfree(sdata->u.ap.next_beacon);
3036 case NL80211_IFTYPE_ADHOC:
3037 if (!sdata->vif.bss_conf.ibss_joined)
3040 if (params->chandef.width != sdata->u.ibss.chandef.width)
3043 switch (params->chandef.width) {
3044 case NL80211_CHAN_WIDTH_40:
3045 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3046 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3048 case NL80211_CHAN_WIDTH_5:
3049 case NL80211_CHAN_WIDTH_10:
3050 case NL80211_CHAN_WIDTH_20_NOHT:
3051 case NL80211_CHAN_WIDTH_20:
3057 /* changes into another band are not supported */
3058 if (sdata->u.ibss.chandef.chan->band !=
3059 params->chandef.chan->band)
3062 /* see comments in the NL80211_IFTYPE_AP block */
3063 if (params->count > 1) {
3064 err = ieee80211_ibss_csa_beacon(sdata, params);
3070 ieee80211_send_action_csa(sdata, params);
3073 #ifdef CONFIG_MAC80211_MESH
3074 case NL80211_IFTYPE_MESH_POINT: {
3075 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3077 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3080 /* changes into another band are not supported */
3081 if (sdata->vif.bss_conf.chandef.chan->band !=
3082 params->chandef.chan->band)
3085 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3086 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3087 if (!ifmsh->pre_value)
3088 ifmsh->pre_value = 1;
3093 /* see comments in the NL80211_IFTYPE_AP block */
3094 if (params->count > 1) {
3095 err = ieee80211_mesh_csa_beacon(sdata, params);
3097 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3103 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3104 ieee80211_send_action_csa(sdata, params);
3117 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3118 struct cfg80211_csa_settings *params)
3120 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3121 struct ieee80211_local *local = sdata->local;
3122 struct ieee80211_channel_switch ch_switch;
3123 struct ieee80211_chanctx_conf *conf;
3124 struct ieee80211_chanctx *chanctx;
3128 sdata_assert_lock(sdata);
3129 lockdep_assert_held(&local->mtx);
3131 if (!list_empty(&local->roc_list) || local->scanning)
3134 if (sdata->wdev.cac_started)
3137 if (cfg80211_chandef_identical(¶ms->chandef,
3138 &sdata->vif.bss_conf.chandef))
3141 /* don't allow another channel switch if one is already active. */
3142 if (sdata->vif.csa_active)
3145 mutex_lock(&local->chanctx_mtx);
3146 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3147 lockdep_is_held(&local->chanctx_mtx));
3153 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3159 ch_switch.timestamp = 0;
3160 ch_switch.device_timestamp = 0;
3161 ch_switch.block_tx = params->block_tx;
3162 ch_switch.chandef = params->chandef;
3163 ch_switch.count = params->count;
3165 err = drv_pre_channel_switch(sdata, &ch_switch);
3169 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3171 params->radar_required);
3175 /* if reservation is invalid then this will fail */
3176 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3178 ieee80211_vif_unreserve_chanctx(sdata);
3182 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3184 ieee80211_vif_unreserve_chanctx(sdata);
3188 sdata->csa_chandef = params->chandef;
3189 sdata->csa_block_tx = params->block_tx;
3190 sdata->vif.csa_active = true;
3192 if (sdata->csa_block_tx)
3193 ieee80211_stop_vif_queues(local, sdata,
3194 IEEE80211_QUEUE_STOP_REASON_CSA);
3196 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3200 ieee80211_bss_info_change_notify(sdata, changed);
3201 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3203 /* if the beacon didn't change, we can finalize immediately */
3204 ieee80211_csa_finalize(sdata);
3208 mutex_unlock(&local->chanctx_mtx);
3212 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3213 struct cfg80211_csa_settings *params)
3215 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3216 struct ieee80211_local *local = sdata->local;
3219 mutex_lock(&local->mtx);
3220 err = __ieee80211_channel_switch(wiphy, dev, params);
3221 mutex_unlock(&local->mtx);
3226 static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local,
3227 struct sk_buff *skb, u64 *cookie,
3230 unsigned long spin_flags;
3231 struct sk_buff *ack_skb;
3234 ack_skb = skb_copy(skb, gfp);
3236 return ERR_PTR(-ENOMEM);
3238 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3239 id = idr_alloc(&local->ack_status_frames, ack_skb,
3240 1, 0x10000, GFP_ATOMIC);
3241 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3245 return ERR_PTR(-ENOMEM);
3248 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3250 *cookie = ieee80211_mgmt_tx_cookie(local);
3251 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3256 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3257 struct cfg80211_mgmt_tx_params *params,
3260 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3261 struct ieee80211_local *local = sdata->local;
3262 struct sk_buff *skb, *ack_skb;
3263 struct sta_info *sta;
3264 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3265 bool need_offchan = false;
3270 if (params->dont_wait_for_ack)
3271 flags = IEEE80211_TX_CTL_NO_ACK;
3273 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3274 IEEE80211_TX_CTL_REQ_TX_STATUS;
3277 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3279 switch (sdata->vif.type) {
3280 case NL80211_IFTYPE_ADHOC:
3281 if (!sdata->vif.bss_conf.ibss_joined)
3282 need_offchan = true;
3284 #ifdef CONFIG_MAC80211_MESH
3285 case NL80211_IFTYPE_MESH_POINT:
3286 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3287 !sdata->u.mesh.mesh_id_len)
3288 need_offchan = true;
3291 case NL80211_IFTYPE_AP:
3292 case NL80211_IFTYPE_AP_VLAN:
3293 case NL80211_IFTYPE_P2P_GO:
3294 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3295 !ieee80211_vif_is_mesh(&sdata->vif) &&
3296 !rcu_access_pointer(sdata->bss->beacon))
3297 need_offchan = true;
3298 if (!ieee80211_is_action(mgmt->frame_control) ||
3299 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3300 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3301 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3304 sta = sta_info_get(sdata, mgmt->da);
3309 case NL80211_IFTYPE_STATION:
3310 case NL80211_IFTYPE_P2P_CLIENT:
3312 if (!sdata->u.mgd.associated ||
3313 (params->offchan && params->wait &&
3314 local->ops->remain_on_channel &&
3315 memcmp(sdata->u.mgd.associated->bssid,
3316 mgmt->bssid, ETH_ALEN)))
3317 need_offchan = true;
3318 sdata_unlock(sdata);
3320 case NL80211_IFTYPE_P2P_DEVICE:
3321 need_offchan = true;
3327 /* configurations requiring offchan cannot work if no channel has been
3330 if (need_offchan && !params->chan)
3333 mutex_lock(&local->mtx);
3335 /* Check if the operating channel is the requested channel */
3336 if (!need_offchan) {
3337 struct ieee80211_chanctx_conf *chanctx_conf;
3340 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3343 need_offchan = params->chan &&
3345 chanctx_conf->def.chan);
3346 } else if (!params->chan) {
3351 need_offchan = true;
3356 if (need_offchan && !params->offchan) {
3361 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3366 skb_reserve(skb, local->hw.extra_tx_headroom);
3368 data = skb_put(skb, params->len);
3369 memcpy(data, params->buf, params->len);
3371 /* Update CSA counters */
3372 if (sdata->vif.csa_active &&
3373 (sdata->vif.type == NL80211_IFTYPE_AP ||
3374 sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
3375 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3376 params->n_csa_offsets) {
3378 struct beacon_data *beacon = NULL;
3382 if (sdata->vif.type == NL80211_IFTYPE_AP)
3383 beacon = rcu_dereference(sdata->u.ap.beacon);
3384 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3385 beacon = rcu_dereference(sdata->u.ibss.presp);
3386 else if (ieee80211_vif_is_mesh(&sdata->vif))
3387 beacon = rcu_dereference(sdata->u.mesh.beacon);
3390 for (i = 0; i < params->n_csa_offsets; i++)
3391 data[params->csa_offsets[i]] =
3392 beacon->csa_current_counter;
3397 IEEE80211_SKB_CB(skb)->flags = flags;
3399 skb->dev = sdata->dev;
3401 if (!params->dont_wait_for_ack) {
3402 /* make a copy to preserve the frame contents
3403 * in case of encryption.
3405 ack_skb = ieee80211_make_ack_skb(local, skb, cookie,
3407 if (IS_ERR(ack_skb)) {
3408 ret = PTR_ERR(ack_skb);
3413 /* Assign a dummy non-zero cookie, it's not sent to
3414 * userspace in this case but we rely on its value
3415 * internally in the need_offchan case to distinguish
3416 * mgmt-tx from remain-on-channel.
3418 *cookie = 0xffffffff;
3421 if (!need_offchan) {
3422 ieee80211_tx_skb(sdata, skb);
3427 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3428 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3429 if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
3430 IEEE80211_SKB_CB(skb)->hw_queue =
3431 local->hw.offchannel_tx_hw_queue;
3433 /* This will handle all kinds of coalescing and immediate TX */
3434 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3435 params->wait, cookie, skb,
3436 IEEE80211_ROC_TYPE_MGMT_TX);
3440 mutex_unlock(&local->mtx);
3444 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3445 struct wireless_dev *wdev,
3448 struct ieee80211_local *local = wiphy_priv(wiphy);
3450 return ieee80211_cancel_roc(local, cookie, true);
3453 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3454 struct wireless_dev *wdev,
3455 u16 frame_type, bool reg)
3457 struct ieee80211_local *local = wiphy_priv(wiphy);
3458 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3460 switch (frame_type) {
3461 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3463 local->probe_req_reg++;
3464 sdata->vif.probe_req_reg++;
3466 if (local->probe_req_reg)
3467 local->probe_req_reg--;
3469 if (sdata->vif.probe_req_reg)
3470 sdata->vif.probe_req_reg--;
3473 if (!local->open_count)
3476 if (sdata->vif.probe_req_reg == 1)
3477 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3479 else if (sdata->vif.probe_req_reg == 0)
3480 drv_config_iface_filter(local, sdata, 0,
3483 ieee80211_configure_filter(local);
3490 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3492 struct ieee80211_local *local = wiphy_priv(wiphy);
3497 return drv_set_antenna(local, tx_ant, rx_ant);
3500 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3502 struct ieee80211_local *local = wiphy_priv(wiphy);
3504 return drv_get_antenna(local, tx_ant, rx_ant);
3507 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3508 struct net_device *dev,
3509 struct cfg80211_gtk_rekey_data *data)
3511 struct ieee80211_local *local = wiphy_priv(wiphy);
3512 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3514 if (!local->ops->set_rekey_data)
3517 drv_set_rekey_data(local, sdata, data);
3522 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3523 const u8 *peer, u64 *cookie)
3525 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3526 struct ieee80211_local *local = sdata->local;
3527 struct ieee80211_qos_hdr *nullfunc;
3528 struct sk_buff *skb, *ack_skb;
3529 int size = sizeof(*nullfunc);
3532 struct ieee80211_tx_info *info;
3533 struct sta_info *sta;
3534 struct ieee80211_chanctx_conf *chanctx_conf;
3535 enum ieee80211_band band;
3538 /* the lock is needed to assign the cookie later */
3539 mutex_lock(&local->mtx);
3542 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3543 if (WARN_ON(!chanctx_conf)) {
3547 band = chanctx_conf->def.chan->band;
3548 sta = sta_info_get_bss(sdata, peer);
3557 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3558 IEEE80211_STYPE_QOS_NULLFUNC |
3559 IEEE80211_FCTL_FROMDS);
3562 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3563 IEEE80211_STYPE_NULLFUNC |
3564 IEEE80211_FCTL_FROMDS);
3567 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3575 skb_reserve(skb, local->hw.extra_tx_headroom);
3577 nullfunc = (void *) skb_put(skb, size);
3578 nullfunc->frame_control = fc;
3579 nullfunc->duration_id = 0;
3580 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3581 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3582 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3583 nullfunc->seq_ctrl = 0;
3585 info = IEEE80211_SKB_CB(skb);
3587 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3588 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3591 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3594 nullfunc->qos_ctrl = cpu_to_le16(7);
3596 ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC);
3597 if (IS_ERR(ack_skb)) {
3599 ret = PTR_ERR(ack_skb);
3604 ieee80211_xmit(sdata, sta, skb);
3610 mutex_unlock(&local->mtx);
3615 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3616 struct wireless_dev *wdev,
3617 struct cfg80211_chan_def *chandef)
3619 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3620 struct ieee80211_local *local = wiphy_priv(wiphy);
3621 struct ieee80211_chanctx_conf *chanctx_conf;
3625 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3627 *chandef = sdata->vif.bss_conf.chandef;
3629 } else if (local->open_count > 0 &&
3630 local->open_count == local->monitors &&
3631 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3632 if (local->use_chanctx)
3633 *chandef = local->monitor_chandef;
3635 *chandef = local->_oper_chandef;
3644 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3646 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3650 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3651 struct net_device *dev,
3652 struct cfg80211_qos_map *qos_map)
3654 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3655 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3658 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3661 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3663 /* A NULL qos_map was passed to disable QoS mapping */
3667 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3668 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3670 kfree_rcu(old_qos_map, rcu_head);
3675 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3676 struct net_device *dev,
3677 struct cfg80211_chan_def *chandef)
3679 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3683 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3685 ieee80211_bss_info_change_notify(sdata, changed);
3690 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3691 u8 tsid, const u8 *peer, u8 up,
3694 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3695 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3696 int ac = ieee802_1d_to_ac[up];
3698 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3701 if (!(sdata->wmm_acm & BIT(up)))
3704 if (ifmgd->tx_tspec[ac].admitted_time)
3707 if (admitted_time) {
3708 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3709 ifmgd->tx_tspec[ac].tsid = tsid;
3710 ifmgd->tx_tspec[ac].up = up;
3716 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3717 u8 tsid, const u8 *peer)
3719 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3720 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3721 struct ieee80211_local *local = wiphy_priv(wiphy);
3724 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3725 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3727 /* skip unused entries */
3728 if (!tx_tspec->admitted_time)
3731 if (tx_tspec->tsid != tsid)
3734 /* due to this new packets will be reassigned to non-ACM ACs */
3737 /* Make sure that all packets have been sent to avoid to
3738 * restore the QoS params on packets that are still on the
3742 ieee80211_flush_queues(local, sdata, false);
3744 /* restore the normal QoS parameters
3745 * (unconditionally to avoid races)
3747 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3748 tx_tspec->downgraded = false;
3749 ieee80211_sta_handle_tspec_ac_params(sdata);
3751 /* finally clear all the data */
3752 memset(tx_tspec, 0, sizeof(*tx_tspec));
3760 const struct cfg80211_ops mac80211_config_ops = {
3761 .add_virtual_intf = ieee80211_add_iface,
3762 .del_virtual_intf = ieee80211_del_iface,
3763 .change_virtual_intf = ieee80211_change_iface,
3764 .start_p2p_device = ieee80211_start_p2p_device,
3765 .stop_p2p_device = ieee80211_stop_p2p_device,
3766 .add_key = ieee80211_add_key,
3767 .del_key = ieee80211_del_key,
3768 .get_key = ieee80211_get_key,
3769 .set_default_key = ieee80211_config_default_key,
3770 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3771 .start_ap = ieee80211_start_ap,
3772 .change_beacon = ieee80211_change_beacon,
3773 .stop_ap = ieee80211_stop_ap,
3774 .add_station = ieee80211_add_station,
3775 .del_station = ieee80211_del_station,
3776 .change_station = ieee80211_change_station,
3777 .get_station = ieee80211_get_station,
3778 .dump_station = ieee80211_dump_station,
3779 .dump_survey = ieee80211_dump_survey,
3780 #ifdef CONFIG_MAC80211_MESH
3781 .add_mpath = ieee80211_add_mpath,
3782 .del_mpath = ieee80211_del_mpath,
3783 .change_mpath = ieee80211_change_mpath,
3784 .get_mpath = ieee80211_get_mpath,
3785 .dump_mpath = ieee80211_dump_mpath,
3786 .get_mpp = ieee80211_get_mpp,
3787 .dump_mpp = ieee80211_dump_mpp,
3788 .update_mesh_config = ieee80211_update_mesh_config,
3789 .get_mesh_config = ieee80211_get_mesh_config,
3790 .join_mesh = ieee80211_join_mesh,
3791 .leave_mesh = ieee80211_leave_mesh,
3793 .join_ocb = ieee80211_join_ocb,
3794 .leave_ocb = ieee80211_leave_ocb,
3795 .change_bss = ieee80211_change_bss,
3796 .set_txq_params = ieee80211_set_txq_params,
3797 .set_monitor_channel = ieee80211_set_monitor_channel,
3798 .suspend = ieee80211_suspend,
3799 .resume = ieee80211_resume,
3800 .scan = ieee80211_scan,
3801 .sched_scan_start = ieee80211_sched_scan_start,
3802 .sched_scan_stop = ieee80211_sched_scan_stop,
3803 .auth = ieee80211_auth,
3804 .assoc = ieee80211_assoc,
3805 .deauth = ieee80211_deauth,
3806 .disassoc = ieee80211_disassoc,
3807 .join_ibss = ieee80211_join_ibss,
3808 .leave_ibss = ieee80211_leave_ibss,
3809 .set_mcast_rate = ieee80211_set_mcast_rate,
3810 .set_wiphy_params = ieee80211_set_wiphy_params,
3811 .set_tx_power = ieee80211_set_tx_power,
3812 .get_tx_power = ieee80211_get_tx_power,
3813 .set_wds_peer = ieee80211_set_wds_peer,
3814 .rfkill_poll = ieee80211_rfkill_poll,
3815 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3816 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3817 .set_power_mgmt = ieee80211_set_power_mgmt,
3818 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3819 .remain_on_channel = ieee80211_remain_on_channel,
3820 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3821 .mgmt_tx = ieee80211_mgmt_tx,
3822 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3823 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3824 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3825 .set_antenna = ieee80211_set_antenna,
3826 .get_antenna = ieee80211_get_antenna,
3827 .set_rekey_data = ieee80211_set_rekey_data,
3828 .tdls_oper = ieee80211_tdls_oper,
3829 .tdls_mgmt = ieee80211_tdls_mgmt,
3830 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3831 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3832 .probe_client = ieee80211_probe_client,
3833 .set_noack_map = ieee80211_set_noack_map,
3835 .set_wakeup = ieee80211_set_wakeup,
3837 .get_channel = ieee80211_cfg_get_channel,
3838 .start_radar_detection = ieee80211_start_radar_detection,
3839 .channel_switch = ieee80211_channel_switch,
3840 .set_qos_map = ieee80211_set_qos_map,
3841 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3842 .add_tx_ts = ieee80211_add_tx_ts,
3843 .del_tx_ts = ieee80211_del_tx_ts,