2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 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"
25 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
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, &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;
142 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
143 u8 key_idx, bool pairwise, const u8 *mac_addr,
144 struct key_params *params)
146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
147 struct ieee80211_local *local = sdata->local;
148 struct sta_info *sta = NULL;
149 const struct ieee80211_cipher_scheme *cs = NULL;
150 struct ieee80211_key *key;
153 if (!ieee80211_sdata_running(sdata))
156 /* reject WEP and TKIP keys if WEP failed to initialize */
157 switch (params->cipher) {
158 case WLAN_CIPHER_SUITE_WEP40:
159 case WLAN_CIPHER_SUITE_TKIP:
160 case WLAN_CIPHER_SUITE_WEP104:
161 if (IS_ERR(local->wep_tx_tfm))
164 case WLAN_CIPHER_SUITE_CCMP:
165 case WLAN_CIPHER_SUITE_CCMP_256:
166 case WLAN_CIPHER_SUITE_AES_CMAC:
167 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
168 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
169 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
170 case WLAN_CIPHER_SUITE_GCMP:
171 case WLAN_CIPHER_SUITE_GCMP_256:
174 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
178 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
179 params->key, params->seq_len, params->seq,
185 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
187 mutex_lock(&local->sta_mtx);
190 if (ieee80211_vif_is_mesh(&sdata->vif))
191 sta = sta_info_get(sdata, mac_addr);
193 sta = sta_info_get_bss(sdata, mac_addr);
195 * The ASSOC test makes sure the driver is ready to
196 * receive the key. When wpa_supplicant has roamed
197 * using FT, it attempts to set the key before
198 * association has completed, this rejects that attempt
199 * so it will set the key again after association.
201 * TODO: accept the key if we have a station entry and
202 * add it to the device after the station.
204 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
205 ieee80211_key_free_unused(key);
211 switch (sdata->vif.type) {
212 case NL80211_IFTYPE_STATION:
213 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
214 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
216 case NL80211_IFTYPE_AP:
217 case NL80211_IFTYPE_AP_VLAN:
218 /* Keys without a station are used for TX only */
219 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
220 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
222 case NL80211_IFTYPE_ADHOC:
225 case NL80211_IFTYPE_MESH_POINT:
226 #ifdef CONFIG_MAC80211_MESH
227 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
228 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
231 case NL80211_IFTYPE_WDS:
232 case NL80211_IFTYPE_MONITOR:
233 case NL80211_IFTYPE_P2P_DEVICE:
234 case NL80211_IFTYPE_UNSPECIFIED:
235 case NUM_NL80211_IFTYPES:
236 case NL80211_IFTYPE_P2P_CLIENT:
237 case NL80211_IFTYPE_P2P_GO:
238 case NL80211_IFTYPE_OCB:
239 /* shouldn't happen */
245 sta->cipher_scheme = cs;
247 err = ieee80211_key_link(key, sdata, sta);
250 mutex_unlock(&local->sta_mtx);
255 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
256 u8 key_idx, bool pairwise, const u8 *mac_addr)
258 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
259 struct ieee80211_local *local = sdata->local;
260 struct sta_info *sta;
261 struct ieee80211_key *key = NULL;
264 mutex_lock(&local->sta_mtx);
265 mutex_lock(&local->key_mtx);
270 sta = sta_info_get_bss(sdata, mac_addr);
275 key = key_mtx_dereference(local, sta->ptk[key_idx]);
277 key = key_mtx_dereference(local, sta->gtk[key_idx]);
279 key = key_mtx_dereference(local, sdata->keys[key_idx]);
286 ieee80211_key_free(key, true);
290 mutex_unlock(&local->key_mtx);
291 mutex_unlock(&local->sta_mtx);
296 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
297 u8 key_idx, bool pairwise, const u8 *mac_addr,
299 void (*callback)(void *cookie,
300 struct key_params *params))
302 struct ieee80211_sub_if_data *sdata;
303 struct sta_info *sta = NULL;
305 struct key_params params;
306 struct ieee80211_key *key = NULL;
312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
317 sta = sta_info_get_bss(sdata, mac_addr);
321 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
322 key = rcu_dereference(sta->ptk[key_idx]);
323 else if (!pairwise &&
324 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
325 key = rcu_dereference(sta->gtk[key_idx]);
327 key = rcu_dereference(sdata->keys[key_idx]);
332 memset(¶ms, 0, sizeof(params));
334 params.cipher = key->conf.cipher;
336 switch (key->conf.cipher) {
337 case WLAN_CIPHER_SUITE_TKIP:
338 iv32 = key->u.tkip.tx.iv32;
339 iv16 = key->u.tkip.tx.iv16;
341 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
342 drv_get_tkip_seq(sdata->local,
343 key->conf.hw_key_idx,
346 seq[0] = iv16 & 0xff;
347 seq[1] = (iv16 >> 8) & 0xff;
348 seq[2] = iv32 & 0xff;
349 seq[3] = (iv32 >> 8) & 0xff;
350 seq[4] = (iv32 >> 16) & 0xff;
351 seq[5] = (iv32 >> 24) & 0xff;
355 case WLAN_CIPHER_SUITE_CCMP:
356 case WLAN_CIPHER_SUITE_CCMP_256:
357 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
367 case WLAN_CIPHER_SUITE_AES_CMAC:
368 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
369 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
379 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
380 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
381 pn64 = atomic64_read(&key->u.aes_gmac.tx_pn);
391 case WLAN_CIPHER_SUITE_GCMP:
392 case WLAN_CIPHER_SUITE_GCMP_256:
393 pn64 = atomic64_read(&key->u.gcmp.tx_pn);
405 params.key = key->conf.key;
406 params.key_len = key->conf.keylen;
408 callback(cookie, ¶ms);
416 static int ieee80211_config_default_key(struct wiphy *wiphy,
417 struct net_device *dev,
418 u8 key_idx, bool uni,
421 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
423 ieee80211_set_default_key(sdata, key_idx, uni, multi);
428 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
429 struct net_device *dev,
432 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
434 ieee80211_set_default_mgmt_key(sdata, key_idx);
439 void sta_set_rate_info_tx(struct sta_info *sta,
440 const struct ieee80211_tx_rate *rate,
441 struct rate_info *rinfo)
444 if (rate->flags & IEEE80211_TX_RC_MCS) {
445 rinfo->flags |= RATE_INFO_FLAGS_MCS;
446 rinfo->mcs = rate->idx;
447 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
448 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
449 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
450 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
452 struct ieee80211_supported_band *sband;
453 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
456 sband = sta->local->hw.wiphy->bands[
457 ieee80211_get_sdata_band(sta->sdata)];
458 brate = sband->bitrates[rate->idx].bitrate;
459 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
461 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
462 rinfo->bw = RATE_INFO_BW_40;
463 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
464 rinfo->bw = RATE_INFO_BW_80;
465 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
466 rinfo->bw = RATE_INFO_BW_160;
468 rinfo->bw = RATE_INFO_BW_20;
469 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
470 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
473 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
477 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
478 rinfo->flags |= RATE_INFO_FLAGS_MCS;
479 rinfo->mcs = sta->last_rx_rate_idx;
480 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
481 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
482 rinfo->nss = sta->last_rx_rate_vht_nss;
483 rinfo->mcs = sta->last_rx_rate_idx;
485 struct ieee80211_supported_band *sband;
486 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
489 sband = sta->local->hw.wiphy->bands[
490 ieee80211_get_sdata_band(sta->sdata)];
491 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
492 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
495 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
496 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
498 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
499 rinfo->bw = RATE_INFO_BW_5;
500 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
501 rinfo->bw = RATE_INFO_BW_10;
502 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
503 rinfo->bw = RATE_INFO_BW_40;
504 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
505 rinfo->bw = RATE_INFO_BW_80;
506 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
507 rinfo->bw = RATE_INFO_BW_160;
509 rinfo->bw = RATE_INFO_BW_20;
512 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
513 int idx, u8 *mac, struct station_info *sinfo)
515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
516 struct ieee80211_local *local = sdata->local;
517 struct sta_info *sta;
520 mutex_lock(&local->sta_mtx);
522 sta = sta_info_get_by_idx(sdata, idx);
525 memcpy(mac, sta->sta.addr, ETH_ALEN);
526 sta_set_sinfo(sta, sinfo);
529 mutex_unlock(&local->sta_mtx);
534 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
535 int idx, struct survey_info *survey)
537 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
539 return drv_get_survey(local, idx, survey);
542 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
543 const u8 *mac, struct station_info *sinfo)
545 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
546 struct ieee80211_local *local = sdata->local;
547 struct sta_info *sta;
550 mutex_lock(&local->sta_mtx);
552 sta = sta_info_get_bss(sdata, mac);
555 sta_set_sinfo(sta, sinfo);
558 mutex_unlock(&local->sta_mtx);
563 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
564 struct cfg80211_chan_def *chandef)
566 struct ieee80211_local *local = wiphy_priv(wiphy);
567 struct ieee80211_sub_if_data *sdata;
570 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
573 mutex_lock(&local->mtx);
574 mutex_lock(&local->iflist_mtx);
575 if (local->use_chanctx) {
576 sdata = rcu_dereference_protected(
577 local->monitor_sdata,
578 lockdep_is_held(&local->iflist_mtx));
580 ieee80211_vif_release_channel(sdata);
581 ret = ieee80211_vif_use_channel(sdata, chandef,
582 IEEE80211_CHANCTX_EXCLUSIVE);
584 } else if (local->open_count == local->monitors) {
585 local->_oper_chandef = *chandef;
586 ieee80211_hw_config(local, 0);
590 local->monitor_chandef = *chandef;
591 mutex_unlock(&local->iflist_mtx);
592 mutex_unlock(&local->mtx);
597 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
598 const u8 *resp, size_t resp_len,
599 const struct ieee80211_csa_settings *csa)
601 struct probe_resp *new, *old;
603 if (!resp || !resp_len)
606 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
608 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
613 memcpy(new->data, resp, resp_len);
616 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
617 csa->n_counter_offsets_presp *
618 sizeof(new->csa_counter_offsets[0]));
620 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
622 kfree_rcu(old, rcu_head);
627 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
628 struct cfg80211_beacon_data *params,
629 const struct ieee80211_csa_settings *csa)
631 struct beacon_data *new, *old;
632 int new_head_len, new_tail_len;
634 u32 changed = BSS_CHANGED_BEACON;
636 old = sdata_dereference(sdata->u.ap.beacon, sdata);
639 /* Need to have a beacon head if we don't have one yet */
640 if (!params->head && !old)
643 /* new or old head? */
645 new_head_len = params->head_len;
647 new_head_len = old->head_len;
649 /* new or old tail? */
650 if (params->tail || !old)
651 /* params->tail_len will be zero for !params->tail */
652 new_tail_len = params->tail_len;
654 new_tail_len = old->tail_len;
656 size = sizeof(*new) + new_head_len + new_tail_len;
658 new = kzalloc(size, GFP_KERNEL);
662 /* start filling the new info now */
665 * pointers go into the block we allocated,
666 * memory is | beacon_data | head | tail |
668 new->head = ((u8 *) new) + sizeof(*new);
669 new->tail = new->head + new_head_len;
670 new->head_len = new_head_len;
671 new->tail_len = new_tail_len;
674 new->csa_current_counter = csa->count;
675 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
676 csa->n_counter_offsets_beacon *
677 sizeof(new->csa_counter_offsets[0]));
682 memcpy(new->head, params->head, new_head_len);
684 memcpy(new->head, old->head, new_head_len);
686 /* copy in optional tail */
688 memcpy(new->tail, params->tail, new_tail_len);
691 memcpy(new->tail, old->tail, new_tail_len);
693 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
694 params->probe_resp_len, csa);
698 changed |= BSS_CHANGED_AP_PROBE_RESP;
700 rcu_assign_pointer(sdata->u.ap.beacon, new);
703 kfree_rcu(old, rcu_head);
708 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
709 struct cfg80211_ap_settings *params)
711 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
712 struct ieee80211_local *local = sdata->local;
713 struct beacon_data *old;
714 struct ieee80211_sub_if_data *vlan;
715 u32 changed = BSS_CHANGED_BEACON_INT |
716 BSS_CHANGED_BEACON_ENABLED |
723 old = sdata_dereference(sdata->u.ap.beacon, sdata);
727 switch (params->smps_mode) {
728 case NL80211_SMPS_OFF:
729 sdata->smps_mode = IEEE80211_SMPS_OFF;
731 case NL80211_SMPS_STATIC:
732 sdata->smps_mode = IEEE80211_SMPS_STATIC;
734 case NL80211_SMPS_DYNAMIC:
735 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
740 sdata->needed_rx_chains = sdata->local->rx_chains;
742 mutex_lock(&local->mtx);
743 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
744 IEEE80211_CHANCTX_SHARED);
746 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
747 mutex_unlock(&local->mtx);
752 * Apply control port protocol, this allows us to
753 * not encrypt dynamic WEP control frames.
755 sdata->control_port_protocol = params->crypto.control_port_ethertype;
756 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
757 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
761 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
762 vlan->control_port_protocol =
763 params->crypto.control_port_ethertype;
764 vlan->control_port_no_encrypt =
765 params->crypto.control_port_no_encrypt;
766 vlan->encrypt_headroom =
767 ieee80211_cs_headroom(sdata->local,
772 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
773 sdata->vif.bss_conf.dtim_period = params->dtim_period;
774 sdata->vif.bss_conf.enable_beacon = true;
776 sdata->vif.bss_conf.ssid_len = params->ssid_len;
777 if (params->ssid_len)
778 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
780 sdata->vif.bss_conf.hidden_ssid =
781 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
783 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
784 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
785 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
786 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
787 if (params->p2p_opp_ps)
788 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
789 IEEE80211_P2P_OPPPS_ENABLE_BIT;
791 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
793 ieee80211_vif_release_channel(sdata);
798 err = drv_start_ap(sdata->local, sdata);
800 old = sdata_dereference(sdata->u.ap.beacon, sdata);
803 kfree_rcu(old, rcu_head);
804 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
805 ieee80211_vif_release_channel(sdata);
809 ieee80211_recalc_dtim(local, sdata);
810 ieee80211_bss_info_change_notify(sdata, changed);
812 netif_carrier_on(dev);
813 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
814 netif_carrier_on(vlan->dev);
819 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
820 struct cfg80211_beacon_data *params)
822 struct ieee80211_sub_if_data *sdata;
823 struct beacon_data *old;
826 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
827 sdata_assert_lock(sdata);
829 /* don't allow changing the beacon while CSA is in place - offset
830 * of channel switch counter may change
832 if (sdata->vif.csa_active)
835 old = sdata_dereference(sdata->u.ap.beacon, sdata);
839 err = ieee80211_assign_beacon(sdata, params, NULL);
842 ieee80211_bss_info_change_notify(sdata, err);
846 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
848 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
849 struct ieee80211_sub_if_data *vlan;
850 struct ieee80211_local *local = sdata->local;
851 struct beacon_data *old_beacon;
852 struct probe_resp *old_probe_resp;
853 struct cfg80211_chan_def chandef;
855 sdata_assert_lock(sdata);
857 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
860 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
862 /* abort any running channel switch */
863 mutex_lock(&local->mtx);
864 sdata->vif.csa_active = false;
865 if (sdata->csa_block_tx) {
866 ieee80211_wake_vif_queues(local, sdata,
867 IEEE80211_QUEUE_STOP_REASON_CSA);
868 sdata->csa_block_tx = false;
871 mutex_unlock(&local->mtx);
873 kfree(sdata->u.ap.next_beacon);
874 sdata->u.ap.next_beacon = NULL;
876 /* turn off carrier for this interface and dependent VLANs */
877 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
878 netif_carrier_off(vlan->dev);
879 netif_carrier_off(dev);
881 /* remove beacon and probe response */
882 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
883 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
884 kfree_rcu(old_beacon, rcu_head);
886 kfree_rcu(old_probe_resp, rcu_head);
887 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
889 __sta_info_flush(sdata, true);
890 ieee80211_free_keys(sdata, true);
892 sdata->vif.bss_conf.enable_beacon = false;
893 sdata->vif.bss_conf.ssid_len = 0;
894 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
895 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
897 if (sdata->wdev.cac_started) {
898 chandef = sdata->vif.bss_conf.chandef;
899 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
900 cfg80211_cac_event(sdata->dev, &chandef,
901 NL80211_RADAR_CAC_ABORTED,
905 drv_stop_ap(sdata->local, sdata);
907 /* free all potentially still buffered bcast frames */
908 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
909 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
911 mutex_lock(&local->mtx);
912 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
913 ieee80211_vif_release_channel(sdata);
914 mutex_unlock(&local->mtx);
919 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
920 struct iapp_layer2_update {
921 u8 da[ETH_ALEN]; /* broadcast */
922 u8 sa[ETH_ALEN]; /* STA addr */
930 static void ieee80211_send_layer2_update(struct sta_info *sta)
932 struct iapp_layer2_update *msg;
935 /* Send Level 2 Update Frame to update forwarding tables in layer 2
938 skb = dev_alloc_skb(sizeof(*msg));
941 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
943 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
944 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
946 eth_broadcast_addr(msg->da);
947 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
950 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
951 msg->control = 0xaf; /* XID response lsb.1111F101.
952 * F=0 (no poll command; unsolicited frame) */
953 msg->xid_info[0] = 0x81; /* XID format identifier */
954 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
955 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
957 skb->dev = sta->sdata->dev;
958 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
959 memset(skb->cb, 0, sizeof(skb->cb));
963 static int sta_apply_auth_flags(struct ieee80211_local *local,
964 struct sta_info *sta,
969 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
970 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
971 !test_sta_flag(sta, WLAN_STA_AUTH)) {
972 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
977 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
978 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
979 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
980 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
985 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
986 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
987 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
988 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
989 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
996 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
997 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
998 test_sta_flag(sta, WLAN_STA_ASSOC)) {
999 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1004 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1005 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1006 test_sta_flag(sta, WLAN_STA_AUTH)) {
1007 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1015 static int sta_apply_parameters(struct ieee80211_local *local,
1016 struct sta_info *sta,
1017 struct station_parameters *params)
1020 struct ieee80211_supported_band *sband;
1021 struct ieee80211_sub_if_data *sdata = sta->sdata;
1022 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1025 sband = local->hw.wiphy->bands[band];
1027 mask = params->sta_flags_mask;
1028 set = params->sta_flags_set;
1030 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1032 * In mesh mode, ASSOCIATED isn't part of the nl80211
1033 * API but must follow AUTHENTICATED for driver state.
1035 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1036 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1037 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1038 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1039 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1041 * TDLS -- everything follows authorized, but
1042 * only becoming authorized is possible, not
1045 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1046 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1047 BIT(NL80211_STA_FLAG_ASSOCIATED);
1048 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1049 BIT(NL80211_STA_FLAG_ASSOCIATED);
1053 /* auth flags will be set later for TDLS stations */
1054 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1055 ret = sta_apply_auth_flags(local, sta, mask, set);
1060 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1061 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1062 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1064 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1067 if (mask & BIT(NL80211_STA_FLAG_WME))
1068 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1070 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1071 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1072 if (set & BIT(NL80211_STA_FLAG_MFP))
1073 set_sta_flag(sta, WLAN_STA_MFP);
1075 clear_sta_flag(sta, WLAN_STA_MFP);
1078 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1079 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1080 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1082 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1085 /* mark TDLS channel switch support, if the AP allows it */
1086 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1087 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1088 params->ext_capab_len >= 4 &&
1089 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1090 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1092 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1093 sta->sta.uapsd_queues = params->uapsd_queues;
1094 sta->sta.max_sp = params->max_sp;
1098 * cfg80211 validates this (1-2007) and allows setting the AID
1099 * only when creating a new station entry
1102 sta->sta.aid = params->aid;
1105 * Some of the following updates would be racy if called on an
1106 * existing station, via ieee80211_change_station(). However,
1107 * all such changes are rejected by cfg80211 except for updates
1108 * changing the supported rates on an existing but not yet used
1112 if (params->listen_interval >= 0)
1113 sta->listen_interval = params->listen_interval;
1115 if (params->supported_rates) {
1116 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1117 sband, params->supported_rates,
1118 params->supported_rates_len,
1119 &sta->sta.supp_rates[band]);
1122 if (params->ht_capa)
1123 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1124 params->ht_capa, sta);
1126 if (params->vht_capa)
1127 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1128 params->vht_capa, sta);
1130 if (params->opmode_notif_used) {
1131 /* returned value is only needed for rc update, but the
1132 * rc isn't initialized here yet, so ignore it
1134 __ieee80211_vht_handle_opmode(sdata, sta,
1135 params->opmode_notif,
1139 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1140 #ifdef CONFIG_MAC80211_MESH
1143 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1144 switch (params->plink_state) {
1145 case NL80211_PLINK_ESTAB:
1146 if (sta->plink_state != NL80211_PLINK_ESTAB)
1147 changed = mesh_plink_inc_estab_count(
1149 sta->plink_state = params->plink_state;
1151 ieee80211_mps_sta_status_update(sta);
1152 changed |= ieee80211_mps_set_sta_local_pm(sta,
1153 sdata->u.mesh.mshcfg.power_mode);
1155 case NL80211_PLINK_LISTEN:
1156 case NL80211_PLINK_BLOCKED:
1157 case NL80211_PLINK_OPN_SNT:
1158 case NL80211_PLINK_OPN_RCVD:
1159 case NL80211_PLINK_CNF_RCVD:
1160 case NL80211_PLINK_HOLDING:
1161 if (sta->plink_state == NL80211_PLINK_ESTAB)
1162 changed = mesh_plink_dec_estab_count(
1164 sta->plink_state = params->plink_state;
1166 ieee80211_mps_sta_status_update(sta);
1167 changed |= ieee80211_mps_set_sta_local_pm(sta,
1168 NL80211_MESH_POWER_UNKNOWN);
1176 switch (params->plink_action) {
1177 case NL80211_PLINK_ACTION_NO_ACTION:
1180 case NL80211_PLINK_ACTION_OPEN:
1181 changed |= mesh_plink_open(sta);
1183 case NL80211_PLINK_ACTION_BLOCK:
1184 changed |= mesh_plink_block(sta);
1188 if (params->local_pm)
1190 ieee80211_mps_set_sta_local_pm(sta,
1192 ieee80211_mbss_info_change_notify(sdata, changed);
1196 /* set the STA state after all sta info from usermode has been set */
1197 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1198 ret = sta_apply_auth_flags(local, sta, mask, set);
1206 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1208 struct station_parameters *params)
1210 struct ieee80211_local *local = wiphy_priv(wiphy);
1211 struct sta_info *sta;
1212 struct ieee80211_sub_if_data *sdata;
1217 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1219 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1220 sdata->vif.type != NL80211_IFTYPE_AP)
1223 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1225 if (ether_addr_equal(mac, sdata->vif.addr))
1228 if (is_multicast_ether_addr(mac))
1231 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1236 * defaults -- if userspace wants something else we'll
1237 * change it accordingly in sta_apply_parameters()
1239 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1240 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1241 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1243 sta->sta.tdls = true;
1246 err = sta_apply_parameters(local, sta, params);
1248 sta_info_free(local, sta);
1253 * for TDLS, rate control should be initialized only when
1254 * rates are known and station is marked authorized
1256 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1257 rate_control_rate_init(sta);
1259 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1260 sdata->vif.type == NL80211_IFTYPE_AP;
1262 err = sta_info_insert_rcu(sta);
1269 ieee80211_send_layer2_update(sta);
1276 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1277 struct station_del_parameters *params)
1279 struct ieee80211_sub_if_data *sdata;
1281 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1284 return sta_info_destroy_addr_bss(sdata, params->mac);
1286 sta_info_flush(sdata);
1290 static int ieee80211_change_station(struct wiphy *wiphy,
1291 struct net_device *dev, const u8 *mac,
1292 struct station_parameters *params)
1294 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1295 struct ieee80211_local *local = wiphy_priv(wiphy);
1296 struct sta_info *sta;
1297 struct ieee80211_sub_if_data *vlansdata;
1298 enum cfg80211_station_type statype;
1301 mutex_lock(&local->sta_mtx);
1303 sta = sta_info_get_bss(sdata, mac);
1309 switch (sdata->vif.type) {
1310 case NL80211_IFTYPE_MESH_POINT:
1311 if (sdata->u.mesh.user_mpm)
1312 statype = CFG80211_STA_MESH_PEER_USER;
1314 statype = CFG80211_STA_MESH_PEER_KERNEL;
1316 case NL80211_IFTYPE_ADHOC:
1317 statype = CFG80211_STA_IBSS;
1319 case NL80211_IFTYPE_STATION:
1320 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1321 statype = CFG80211_STA_AP_STA;
1324 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1325 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1327 statype = CFG80211_STA_TDLS_PEER_SETUP;
1329 case NL80211_IFTYPE_AP:
1330 case NL80211_IFTYPE_AP_VLAN:
1331 statype = CFG80211_STA_AP_CLIENT;
1338 err = cfg80211_check_station_change(wiphy, params, statype);
1342 if (params->vlan && params->vlan != sta->sdata->dev) {
1343 bool prev_4addr = false;
1344 bool new_4addr = false;
1346 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1348 if (params->vlan->ieee80211_ptr->use_4addr) {
1349 if (vlansdata->u.vlan.sta) {
1354 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1358 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1359 sta->sdata->u.vlan.sta) {
1360 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1364 sta->sdata = vlansdata;
1366 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1367 prev_4addr != new_4addr) {
1369 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1371 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1374 ieee80211_send_layer2_update(sta);
1377 err = sta_apply_parameters(local, sta, params);
1381 /* When peer becomes authorized, init rate control as well */
1382 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1383 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1384 rate_control_rate_init(sta);
1386 mutex_unlock(&local->sta_mtx);
1388 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1389 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1390 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1391 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1392 sta_info_tx_streams(sta) != 1) {
1394 "%pM just authorized and MIMO capable - update SMPS\n",
1396 ieee80211_send_smps_action(sta->sdata,
1397 sta->sdata->bss->req_smps,
1399 sta->sdata->vif.bss_conf.bssid);
1402 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1403 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1404 ieee80211_recalc_ps(local, -1);
1405 ieee80211_recalc_ps_vif(sdata);
1410 mutex_unlock(&local->sta_mtx);
1414 #ifdef CONFIG_MAC80211_MESH
1415 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1416 const u8 *dst, const u8 *next_hop)
1418 struct ieee80211_sub_if_data *sdata;
1419 struct mesh_path *mpath;
1420 struct sta_info *sta;
1422 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1425 sta = sta_info_get(sdata, next_hop);
1431 mpath = mesh_path_add(sdata, dst);
1432 if (IS_ERR(mpath)) {
1434 return PTR_ERR(mpath);
1437 mesh_path_fix_nexthop(mpath, sta);
1443 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1449 return mesh_path_del(sdata, dst);
1451 mesh_path_flush_by_iface(sdata);
1455 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1456 const u8 *dst, const u8 *next_hop)
1458 struct ieee80211_sub_if_data *sdata;
1459 struct mesh_path *mpath;
1460 struct sta_info *sta;
1462 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1466 sta = sta_info_get(sdata, next_hop);
1472 mpath = mesh_path_lookup(sdata, dst);
1478 mesh_path_fix_nexthop(mpath, sta);
1484 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1485 struct mpath_info *pinfo)
1487 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1490 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1492 memset(next_hop, 0, ETH_ALEN);
1494 memset(pinfo, 0, sizeof(*pinfo));
1496 pinfo->generation = mesh_paths_generation;
1498 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1501 MPATH_INFO_EXPTIME |
1502 MPATH_INFO_DISCOVERY_TIMEOUT |
1503 MPATH_INFO_DISCOVERY_RETRIES |
1506 pinfo->frame_qlen = mpath->frame_queue.qlen;
1507 pinfo->sn = mpath->sn;
1508 pinfo->metric = mpath->metric;
1509 if (time_before(jiffies, mpath->exp_time))
1510 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1511 pinfo->discovery_timeout =
1512 jiffies_to_msecs(mpath->discovery_timeout);
1513 pinfo->discovery_retries = mpath->discovery_retries;
1514 if (mpath->flags & MESH_PATH_ACTIVE)
1515 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1516 if (mpath->flags & MESH_PATH_RESOLVING)
1517 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1518 if (mpath->flags & MESH_PATH_SN_VALID)
1519 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1520 if (mpath->flags & MESH_PATH_FIXED)
1521 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1522 if (mpath->flags & MESH_PATH_RESOLVED)
1523 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1526 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1527 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1530 struct ieee80211_sub_if_data *sdata;
1531 struct mesh_path *mpath;
1533 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1536 mpath = mesh_path_lookup(sdata, dst);
1541 memcpy(dst, mpath->dst, ETH_ALEN);
1542 mpath_set_pinfo(mpath, next_hop, pinfo);
1547 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1548 int idx, u8 *dst, u8 *next_hop,
1549 struct mpath_info *pinfo)
1551 struct ieee80211_sub_if_data *sdata;
1552 struct mesh_path *mpath;
1554 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1557 mpath = mesh_path_lookup_by_idx(sdata, idx);
1562 memcpy(dst, mpath->dst, ETH_ALEN);
1563 mpath_set_pinfo(mpath, next_hop, pinfo);
1568 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1569 struct mpath_info *pinfo)
1571 memset(pinfo, 0, sizeof(*pinfo));
1572 memcpy(mpp, mpath->mpp, ETH_ALEN);
1574 pinfo->generation = mpp_paths_generation;
1577 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1578 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1581 struct ieee80211_sub_if_data *sdata;
1582 struct mesh_path *mpath;
1584 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1587 mpath = mpp_path_lookup(sdata, dst);
1592 memcpy(dst, mpath->dst, ETH_ALEN);
1593 mpp_set_pinfo(mpath, mpp, pinfo);
1598 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1599 int idx, u8 *dst, u8 *mpp,
1600 struct mpath_info *pinfo)
1602 struct ieee80211_sub_if_data *sdata;
1603 struct mesh_path *mpath;
1605 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1608 mpath = mpp_path_lookup_by_idx(sdata, idx);
1613 memcpy(dst, mpath->dst, ETH_ALEN);
1614 mpp_set_pinfo(mpath, mpp, pinfo);
1619 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1620 struct net_device *dev,
1621 struct mesh_config *conf)
1623 struct ieee80211_sub_if_data *sdata;
1624 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1626 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1630 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1632 return (mask >> (parm-1)) & 0x1;
1635 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1636 const struct mesh_setup *setup)
1640 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1641 struct ieee80211_sub_if_data, u.mesh);
1643 /* allocate information elements */
1647 if (setup->ie_len) {
1648 new_ie = kmemdup(setup->ie, setup->ie_len,
1653 ifmsh->ie_len = setup->ie_len;
1657 /* now copy the rest of the setup parameters */
1658 ifmsh->mesh_id_len = setup->mesh_id_len;
1659 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1660 ifmsh->mesh_sp_id = setup->sync_method;
1661 ifmsh->mesh_pp_id = setup->path_sel_proto;
1662 ifmsh->mesh_pm_id = setup->path_metric;
1663 ifmsh->user_mpm = setup->user_mpm;
1664 ifmsh->mesh_auth_id = setup->auth_id;
1665 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1666 if (setup->is_authenticated)
1667 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1668 if (setup->is_secure)
1669 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1671 /* mcast rate setting in Mesh Node */
1672 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1673 sizeof(setup->mcast_rate));
1674 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1676 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1677 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1682 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1683 struct net_device *dev, u32 mask,
1684 const struct mesh_config *nconf)
1686 struct mesh_config *conf;
1687 struct ieee80211_sub_if_data *sdata;
1688 struct ieee80211_if_mesh *ifmsh;
1690 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1691 ifmsh = &sdata->u.mesh;
1693 /* Set the config options which we are interested in setting */
1694 conf = &(sdata->u.mesh.mshcfg);
1695 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1696 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1697 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1698 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1699 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1700 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1701 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1702 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1703 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1704 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1705 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1706 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1707 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1708 conf->element_ttl = nconf->element_ttl;
1709 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1710 if (ifmsh->user_mpm)
1712 conf->auto_open_plinks = nconf->auto_open_plinks;
1714 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1715 conf->dot11MeshNbrOffsetMaxNeighbor =
1716 nconf->dot11MeshNbrOffsetMaxNeighbor;
1717 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1718 conf->dot11MeshHWMPmaxPREQretries =
1719 nconf->dot11MeshHWMPmaxPREQretries;
1720 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1721 conf->path_refresh_time = nconf->path_refresh_time;
1722 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1723 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1724 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1725 conf->dot11MeshHWMPactivePathTimeout =
1726 nconf->dot11MeshHWMPactivePathTimeout;
1727 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1728 conf->dot11MeshHWMPpreqMinInterval =
1729 nconf->dot11MeshHWMPpreqMinInterval;
1730 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1731 conf->dot11MeshHWMPperrMinInterval =
1732 nconf->dot11MeshHWMPperrMinInterval;
1733 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1735 conf->dot11MeshHWMPnetDiameterTraversalTime =
1736 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1737 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1738 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1739 ieee80211_mesh_root_setup(ifmsh);
1741 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1742 /* our current gate announcement implementation rides on root
1743 * announcements, so require this ifmsh to also be a root node
1745 if (nconf->dot11MeshGateAnnouncementProtocol &&
1746 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1747 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1748 ieee80211_mesh_root_setup(ifmsh);
1750 conf->dot11MeshGateAnnouncementProtocol =
1751 nconf->dot11MeshGateAnnouncementProtocol;
1753 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1754 conf->dot11MeshHWMPRannInterval =
1755 nconf->dot11MeshHWMPRannInterval;
1756 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1757 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1758 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1759 /* our RSSI threshold implementation is supported only for
1760 * devices that report signal in dBm.
1762 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1764 conf->rssi_threshold = nconf->rssi_threshold;
1766 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1767 conf->ht_opmode = nconf->ht_opmode;
1768 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1769 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1772 conf->dot11MeshHWMPactivePathToRootTimeout =
1773 nconf->dot11MeshHWMPactivePathToRootTimeout;
1774 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1775 conf->dot11MeshHWMProotInterval =
1776 nconf->dot11MeshHWMProotInterval;
1777 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1778 conf->dot11MeshHWMPconfirmationInterval =
1779 nconf->dot11MeshHWMPconfirmationInterval;
1780 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1781 conf->power_mode = nconf->power_mode;
1782 ieee80211_mps_local_status_update(sdata);
1784 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1785 conf->dot11MeshAwakeWindowDuration =
1786 nconf->dot11MeshAwakeWindowDuration;
1787 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1788 conf->plink_timeout = nconf->plink_timeout;
1789 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1793 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1794 const struct mesh_config *conf,
1795 const struct mesh_setup *setup)
1797 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1798 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1801 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1802 err = copy_mesh_setup(ifmsh, setup);
1806 /* can mesh use other SMPS modes? */
1807 sdata->smps_mode = IEEE80211_SMPS_OFF;
1808 sdata->needed_rx_chains = sdata->local->rx_chains;
1810 mutex_lock(&sdata->local->mtx);
1811 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1812 IEEE80211_CHANCTX_SHARED);
1813 mutex_unlock(&sdata->local->mtx);
1817 return ieee80211_start_mesh(sdata);
1820 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1822 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1824 ieee80211_stop_mesh(sdata);
1825 mutex_lock(&sdata->local->mtx);
1826 ieee80211_vif_release_channel(sdata);
1827 mutex_unlock(&sdata->local->mtx);
1833 static int ieee80211_change_bss(struct wiphy *wiphy,
1834 struct net_device *dev,
1835 struct bss_parameters *params)
1837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1838 enum ieee80211_band band;
1841 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1844 band = ieee80211_get_sdata_band(sdata);
1846 if (params->use_cts_prot >= 0) {
1847 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1848 changed |= BSS_CHANGED_ERP_CTS_PROT;
1850 if (params->use_short_preamble >= 0) {
1851 sdata->vif.bss_conf.use_short_preamble =
1852 params->use_short_preamble;
1853 changed |= BSS_CHANGED_ERP_PREAMBLE;
1856 if (!sdata->vif.bss_conf.use_short_slot &&
1857 band == IEEE80211_BAND_5GHZ) {
1858 sdata->vif.bss_conf.use_short_slot = true;
1859 changed |= BSS_CHANGED_ERP_SLOT;
1862 if (params->use_short_slot_time >= 0) {
1863 sdata->vif.bss_conf.use_short_slot =
1864 params->use_short_slot_time;
1865 changed |= BSS_CHANGED_ERP_SLOT;
1868 if (params->basic_rates) {
1869 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1871 params->basic_rates,
1872 params->basic_rates_len,
1873 &sdata->vif.bss_conf.basic_rates);
1874 changed |= BSS_CHANGED_BASIC_RATES;
1877 if (params->ap_isolate >= 0) {
1878 if (params->ap_isolate)
1879 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1881 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1884 if (params->ht_opmode >= 0) {
1885 sdata->vif.bss_conf.ht_operation_mode =
1886 (u16) params->ht_opmode;
1887 changed |= BSS_CHANGED_HT;
1890 if (params->p2p_ctwindow >= 0) {
1891 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1892 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1893 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1894 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1895 changed |= BSS_CHANGED_P2P_PS;
1898 if (params->p2p_opp_ps > 0) {
1899 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1900 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1901 changed |= BSS_CHANGED_P2P_PS;
1902 } else if (params->p2p_opp_ps == 0) {
1903 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1904 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1905 changed |= BSS_CHANGED_P2P_PS;
1908 ieee80211_bss_info_change_notify(sdata, changed);
1913 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1914 struct net_device *dev,
1915 struct ieee80211_txq_params *params)
1917 struct ieee80211_local *local = wiphy_priv(wiphy);
1918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1919 struct ieee80211_tx_queue_params p;
1921 if (!local->ops->conf_tx)
1924 if (local->hw.queues < IEEE80211_NUM_ACS)
1927 memset(&p, 0, sizeof(p));
1928 p.aifs = params->aifs;
1929 p.cw_max = params->cwmax;
1930 p.cw_min = params->cwmin;
1931 p.txop = params->txop;
1934 * Setting tx queue params disables u-apsd because it's only
1935 * called in master mode.
1939 sdata->tx_conf[params->ac] = p;
1940 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1941 wiphy_debug(local->hw.wiphy,
1942 "failed to set TX queue parameters for AC %d\n",
1947 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1953 static int ieee80211_suspend(struct wiphy *wiphy,
1954 struct cfg80211_wowlan *wowlan)
1956 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1959 static int ieee80211_resume(struct wiphy *wiphy)
1961 return __ieee80211_resume(wiphy_priv(wiphy));
1964 #define ieee80211_suspend NULL
1965 #define ieee80211_resume NULL
1968 static int ieee80211_scan(struct wiphy *wiphy,
1969 struct cfg80211_scan_request *req)
1971 struct ieee80211_sub_if_data *sdata;
1973 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1975 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1976 case NL80211_IFTYPE_STATION:
1977 case NL80211_IFTYPE_ADHOC:
1978 case NL80211_IFTYPE_MESH_POINT:
1979 case NL80211_IFTYPE_P2P_CLIENT:
1980 case NL80211_IFTYPE_P2P_DEVICE:
1982 case NL80211_IFTYPE_P2P_GO:
1983 if (sdata->local->ops->hw_scan)
1986 * FIXME: implement NoA while scanning in software,
1987 * for now fall through to allow scanning only when
1988 * beaconing hasn't been configured yet
1990 case NL80211_IFTYPE_AP:
1992 * If the scan has been forced (and the driver supports
1993 * forcing), don't care about being beaconing already.
1994 * This will create problems to the attached stations (e.g. all
1995 * the frames sent while scanning on other channel will be
1998 if (sdata->u.ap.beacon &&
1999 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2000 !(req->flags & NL80211_SCAN_FLAG_AP)))
2007 return ieee80211_request_scan(sdata, req);
2011 ieee80211_sched_scan_start(struct wiphy *wiphy,
2012 struct net_device *dev,
2013 struct cfg80211_sched_scan_request *req)
2015 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2017 if (!sdata->local->ops->sched_scan_start)
2020 return ieee80211_request_sched_scan_start(sdata, req);
2024 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2026 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028 if (!sdata->local->ops->sched_scan_stop)
2031 return ieee80211_request_sched_scan_stop(sdata);
2034 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2035 struct cfg80211_auth_request *req)
2037 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2040 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2041 struct cfg80211_assoc_request *req)
2043 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2046 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2047 struct cfg80211_deauth_request *req)
2049 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2052 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2053 struct cfg80211_disassoc_request *req)
2055 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2058 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2059 struct cfg80211_ibss_params *params)
2061 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2064 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2066 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2069 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2070 struct ocb_setup *setup)
2072 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2075 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2077 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2080 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2081 int rate[IEEE80211_NUM_BANDS])
2083 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2085 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2086 sizeof(int) * IEEE80211_NUM_BANDS);
2091 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2093 struct ieee80211_local *local = wiphy_priv(wiphy);
2096 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2097 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2103 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2104 (changed & WIPHY_PARAM_DYN_ACK)) {
2107 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2108 wiphy->coverage_class : -1;
2109 err = drv_set_coverage_class(local, coverage_class);
2115 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2116 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2122 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2123 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2125 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2127 if (changed & WIPHY_PARAM_RETRY_LONG) {
2128 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2130 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2133 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2134 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2139 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2140 struct wireless_dev *wdev,
2141 enum nl80211_tx_power_setting type, int mbm)
2143 struct ieee80211_local *local = wiphy_priv(wiphy);
2144 struct ieee80211_sub_if_data *sdata;
2145 enum nl80211_tx_power_setting txp_type = type;
2146 bool update_txp_type = false;
2149 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2152 case NL80211_TX_POWER_AUTOMATIC:
2153 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2154 txp_type = NL80211_TX_POWER_LIMITED;
2156 case NL80211_TX_POWER_LIMITED:
2157 case NL80211_TX_POWER_FIXED:
2158 if (mbm < 0 || (mbm % 100))
2160 sdata->user_power_level = MBM_TO_DBM(mbm);
2164 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2165 update_txp_type = true;
2166 sdata->vif.bss_conf.txpower_type = txp_type;
2169 ieee80211_recalc_txpower(sdata, update_txp_type);
2175 case NL80211_TX_POWER_AUTOMATIC:
2176 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2177 txp_type = NL80211_TX_POWER_LIMITED;
2179 case NL80211_TX_POWER_LIMITED:
2180 case NL80211_TX_POWER_FIXED:
2181 if (mbm < 0 || (mbm % 100))
2183 local->user_power_level = MBM_TO_DBM(mbm);
2187 mutex_lock(&local->iflist_mtx);
2188 list_for_each_entry(sdata, &local->interfaces, list) {
2189 sdata->user_power_level = local->user_power_level;
2190 if (txp_type != sdata->vif.bss_conf.txpower_type)
2191 update_txp_type = true;
2192 sdata->vif.bss_conf.txpower_type = txp_type;
2194 list_for_each_entry(sdata, &local->interfaces, list)
2195 ieee80211_recalc_txpower(sdata, update_txp_type);
2196 mutex_unlock(&local->iflist_mtx);
2201 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2202 struct wireless_dev *wdev,
2205 struct ieee80211_local *local = wiphy_priv(wiphy);
2206 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2208 if (local->ops->get_txpower)
2209 return drv_get_txpower(local, sdata, dbm);
2211 if (!local->use_chanctx)
2212 *dbm = local->hw.conf.power_level;
2214 *dbm = sdata->vif.bss_conf.txpower;
2219 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2222 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2224 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2229 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2231 struct ieee80211_local *local = wiphy_priv(wiphy);
2233 drv_rfkill_poll(local);
2236 #ifdef CONFIG_NL80211_TESTMODE
2237 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2238 struct wireless_dev *wdev,
2239 void *data, int len)
2241 struct ieee80211_local *local = wiphy_priv(wiphy);
2242 struct ieee80211_vif *vif = NULL;
2244 if (!local->ops->testmode_cmd)
2248 struct ieee80211_sub_if_data *sdata;
2250 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2251 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2255 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2258 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2259 struct sk_buff *skb,
2260 struct netlink_callback *cb,
2261 void *data, int len)
2263 struct ieee80211_local *local = wiphy_priv(wiphy);
2265 if (!local->ops->testmode_dump)
2268 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2272 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2273 enum ieee80211_smps_mode smps_mode)
2275 struct sta_info *sta;
2276 enum ieee80211_smps_mode old_req;
2278 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2281 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2284 old_req = sdata->u.ap.req_smps;
2285 sdata->u.ap.req_smps = smps_mode;
2287 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2288 if (old_req == smps_mode ||
2289 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2292 /* If no associated stations, there's no need to do anything */
2293 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2294 sdata->smps_mode = smps_mode;
2295 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2300 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2301 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2303 mutex_lock(&sdata->local->sta_mtx);
2304 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2306 * Only stations associated to our AP and
2309 if (sta->sdata->bss != &sdata->u.ap)
2312 /* This station doesn't support MIMO - skip it */
2313 if (sta_info_tx_streams(sta) == 1)
2317 * Don't wake up a STA just to send the action frame
2318 * unless we are getting more restrictive.
2320 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2321 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2323 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2329 * If the STA is not authorized, wait until it gets
2330 * authorized and the action frame will be sent then.
2332 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2335 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2336 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2337 sdata->vif.bss_conf.bssid);
2339 mutex_unlock(&sdata->local->sta_mtx);
2341 sdata->smps_mode = smps_mode;
2342 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2347 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2348 enum ieee80211_smps_mode smps_mode)
2351 enum ieee80211_smps_mode old_req;
2354 lockdep_assert_held(&sdata->wdev.mtx);
2356 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2359 old_req = sdata->u.mgd.req_smps;
2360 sdata->u.mgd.req_smps = smps_mode;
2362 if (old_req == smps_mode &&
2363 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2367 * If not associated, or current association is not an HT
2368 * association, there's no need to do anything, just store
2369 * the new value until we associate.
2371 if (!sdata->u.mgd.associated ||
2372 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2375 ap = sdata->u.mgd.associated->bssid;
2377 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2378 if (sdata->u.mgd.powersave)
2379 smps_mode = IEEE80211_SMPS_DYNAMIC;
2381 smps_mode = IEEE80211_SMPS_OFF;
2384 /* send SM PS frame to AP */
2385 err = ieee80211_send_smps_action(sdata, smps_mode,
2388 sdata->u.mgd.req_smps = old_req;
2393 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2394 bool enabled, int timeout)
2396 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2397 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2399 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2402 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2405 if (enabled == sdata->u.mgd.powersave &&
2406 timeout == local->dynamic_ps_forced_timeout)
2409 sdata->u.mgd.powersave = enabled;
2410 local->dynamic_ps_forced_timeout = timeout;
2412 /* no change, but if automatic follow powersave */
2414 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2415 sdata_unlock(sdata);
2417 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2418 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2420 ieee80211_recalc_ps(local, -1);
2421 ieee80211_recalc_ps_vif(sdata);
2426 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2427 struct net_device *dev,
2428 s32 rssi_thold, u32 rssi_hyst)
2430 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2431 struct ieee80211_vif *vif = &sdata->vif;
2432 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2434 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2435 rssi_hyst == bss_conf->cqm_rssi_hyst)
2438 bss_conf->cqm_rssi_thold = rssi_thold;
2439 bss_conf->cqm_rssi_hyst = rssi_hyst;
2441 /* tell the driver upon association, unless already associated */
2442 if (sdata->u.mgd.associated &&
2443 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2444 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2449 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2450 struct net_device *dev,
2452 const struct cfg80211_bitrate_mask *mask)
2454 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2455 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2458 if (!ieee80211_sdata_running(sdata))
2461 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2462 ret = drv_set_bitrate_mask(local, sdata, mask);
2467 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2468 struct ieee80211_supported_band *sband = wiphy->bands[i];
2471 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2472 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2473 sizeof(mask->control[i].ht_mcs));
2475 sdata->rc_has_mcs_mask[i] = false;
2479 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2480 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2481 sdata->rc_has_mcs_mask[i] = true;
2489 static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2490 struct ieee80211_roc_work *new_roc,
2491 struct ieee80211_roc_work *cur_roc)
2493 unsigned long j = jiffies;
2494 unsigned long cur_roc_end = cur_roc->hw_start_time +
2495 msecs_to_jiffies(cur_roc->duration);
2496 struct ieee80211_roc_work *next_roc;
2499 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2502 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2505 ieee80211_handle_roc_started(new_roc);
2507 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2509 /* cur_roc is long enough - add new_roc to the dependents list. */
2511 list_add_tail(&new_roc->list, &cur_roc->dependents);
2515 new_roc->duration = new_dur;
2518 * if cur_roc was already coalesced before, we might
2519 * want to extend the next roc instead of adding
2522 next_roc = list_entry(cur_roc->list.next,
2523 struct ieee80211_roc_work, list);
2524 if (&next_roc->list != &local->roc_list &&
2525 next_roc->chan == new_roc->chan &&
2526 next_roc->sdata == new_roc->sdata &&
2527 !WARN_ON(next_roc->started)) {
2528 list_add_tail(&new_roc->list, &next_roc->dependents);
2529 next_roc->duration = max(next_roc->duration,
2531 next_roc->type = max(next_roc->type, new_roc->type);
2535 /* add right after cur_roc */
2536 list_add(&new_roc->list, &cur_roc->list);
2541 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2542 struct ieee80211_sub_if_data *sdata,
2543 struct ieee80211_channel *channel,
2544 unsigned int duration, u64 *cookie,
2545 struct sk_buff *txskb,
2546 enum ieee80211_roc_type type)
2548 struct ieee80211_roc_work *roc, *tmp;
2549 bool queued = false;
2552 lockdep_assert_held(&local->mtx);
2554 if (local->use_chanctx && !local->ops->remain_on_channel)
2557 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2562 * If the duration is zero, then the driver
2563 * wouldn't actually do anything. Set it to
2566 * TODO: cancel the off-channel operation
2567 * when we get the SKB's TX status and
2568 * the wait time was zero before.
2573 roc->chan = channel;
2574 roc->duration = duration;
2575 roc->req_duration = duration;
2578 roc->mgmt_tx_cookie = (unsigned long)txskb;
2580 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2581 INIT_LIST_HEAD(&roc->dependents);
2584 * cookie is either the roc cookie (for normal roc)
2585 * or the SKB (for mgmt TX)
2588 /* local->mtx protects this */
2589 local->roc_cookie_counter++;
2590 roc->cookie = local->roc_cookie_counter;
2591 /* wow, you wrapped 64 bits ... more likely a bug */
2592 if (WARN_ON(roc->cookie == 0)) {
2594 local->roc_cookie_counter++;
2596 *cookie = roc->cookie;
2598 *cookie = (unsigned long)txskb;
2601 /* if there's one pending or we're scanning, queue this one */
2602 if (!list_empty(&local->roc_list) ||
2603 local->scanning || ieee80211_is_radar_required(local))
2604 goto out_check_combine;
2606 /* if not HW assist, just queue & schedule work */
2607 if (!local->ops->remain_on_channel) {
2608 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2612 /* otherwise actually kick it off here (for error handling) */
2614 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2620 roc->started = true;
2624 list_for_each_entry(tmp, &local->roc_list, list) {
2625 if (tmp->chan != channel || tmp->sdata != sdata)
2629 * Extend this ROC if possible:
2631 * If it hasn't started yet, just increase the duration
2632 * and add the new one to the list of dependents.
2633 * If the type of the new ROC has higher priority, modify the
2634 * type of the previous one to match that of the new one.
2636 if (!tmp->started) {
2637 list_add_tail(&roc->list, &tmp->dependents);
2638 tmp->duration = max(tmp->duration, roc->duration);
2639 tmp->type = max(tmp->type, roc->type);
2644 /* If it has already started, it's more difficult ... */
2645 if (local->ops->remain_on_channel) {
2647 * In the offloaded ROC case, if it hasn't begun, add
2648 * this new one to the dependent list to be handled
2649 * when the master one begins. If it has begun,
2650 * check that there's still a minimum time left and
2651 * if so, start this one, transmitting the frame, but
2652 * add it to the list directly after this one with
2653 * a reduced time so we'll ask the driver to execute
2654 * it right after finishing the previous one, in the
2655 * hope that it'll also be executed right afterwards,
2656 * effectively extending the old one.
2657 * If there's no minimum time left, just add it to the
2659 * TODO: the ROC type is ignored here, assuming that it
2660 * is better to immediately use the current ROC.
2662 if (!tmp->hw_begun) {
2663 list_add_tail(&roc->list, &tmp->dependents);
2668 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2670 } else if (del_timer_sync(&tmp->work.timer)) {
2671 unsigned long new_end;
2674 * In the software ROC case, cancel the timer, if
2675 * that fails then the finish work is already
2676 * queued/pending and thus we queue the new ROC
2677 * normally, if that succeeds then we can extend
2678 * the timer duration and TX the frame (if any.)
2681 list_add_tail(&roc->list, &tmp->dependents);
2684 new_end = jiffies + msecs_to_jiffies(roc->duration);
2686 /* ok, it was started & we canceled timer */
2687 if (time_after(new_end, tmp->work.timer.expires))
2688 mod_timer(&tmp->work.timer, new_end);
2690 add_timer(&tmp->work.timer);
2692 ieee80211_handle_roc_started(roc);
2699 list_add_tail(&roc->list, &local->roc_list);
2704 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2705 struct wireless_dev *wdev,
2706 struct ieee80211_channel *chan,
2707 unsigned int duration,
2710 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2711 struct ieee80211_local *local = sdata->local;
2714 mutex_lock(&local->mtx);
2715 ret = ieee80211_start_roc_work(local, sdata, chan,
2716 duration, cookie, NULL,
2717 IEEE80211_ROC_TYPE_NORMAL);
2718 mutex_unlock(&local->mtx);
2723 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2724 u64 cookie, bool mgmt_tx)
2726 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2729 mutex_lock(&local->mtx);
2730 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2731 struct ieee80211_roc_work *dep, *tmp2;
2733 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2734 if (!mgmt_tx && dep->cookie != cookie)
2736 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2738 /* found dependent item -- just remove it */
2739 list_del(&dep->list);
2740 mutex_unlock(&local->mtx);
2742 ieee80211_roc_notify_destroy(dep, true);
2746 if (!mgmt_tx && roc->cookie != cookie)
2748 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2756 mutex_unlock(&local->mtx);
2761 * We found the item to cancel, so do that. Note that it
2762 * may have dependents, which we also cancel (and send
2763 * the expired signal for.) Not doing so would be quite
2764 * tricky here, but we may need to fix it later.
2767 if (local->ops->remain_on_channel) {
2768 if (found->started) {
2769 ret = drv_cancel_remain_on_channel(local);
2770 if (WARN_ON_ONCE(ret)) {
2771 mutex_unlock(&local->mtx);
2776 list_del(&found->list);
2779 ieee80211_start_next_roc(local);
2780 mutex_unlock(&local->mtx);
2782 ieee80211_roc_notify_destroy(found, true);
2784 /* work may be pending so use it all the time */
2785 found->abort = true;
2786 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2788 mutex_unlock(&local->mtx);
2790 /* work will clean up etc */
2791 flush_delayed_work(&found->work);
2792 WARN_ON(!found->to_be_freed);
2799 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2800 struct wireless_dev *wdev,
2803 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2804 struct ieee80211_local *local = sdata->local;
2806 return ieee80211_cancel_roc(local, cookie, false);
2809 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2810 struct net_device *dev,
2811 struct cfg80211_chan_def *chandef,
2814 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2815 struct ieee80211_local *local = sdata->local;
2818 mutex_lock(&local->mtx);
2819 if (!list_empty(&local->roc_list) || local->scanning) {
2824 /* whatever, but channel contexts should not complain about that one */
2825 sdata->smps_mode = IEEE80211_SMPS_OFF;
2826 sdata->needed_rx_chains = local->rx_chains;
2828 err = ieee80211_vif_use_channel(sdata, chandef,
2829 IEEE80211_CHANCTX_SHARED);
2833 ieee80211_queue_delayed_work(&sdata->local->hw,
2834 &sdata->dfs_cac_timer_work,
2835 msecs_to_jiffies(cac_time_ms));
2838 mutex_unlock(&local->mtx);
2842 static struct cfg80211_beacon_data *
2843 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2845 struct cfg80211_beacon_data *new_beacon;
2849 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2850 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2851 beacon->probe_resp_len;
2853 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2857 pos = (u8 *)(new_beacon + 1);
2858 if (beacon->head_len) {
2859 new_beacon->head_len = beacon->head_len;
2860 new_beacon->head = pos;
2861 memcpy(pos, beacon->head, beacon->head_len);
2862 pos += beacon->head_len;
2864 if (beacon->tail_len) {
2865 new_beacon->tail_len = beacon->tail_len;
2866 new_beacon->tail = pos;
2867 memcpy(pos, beacon->tail, beacon->tail_len);
2868 pos += beacon->tail_len;
2870 if (beacon->beacon_ies_len) {
2871 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2872 new_beacon->beacon_ies = pos;
2873 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2874 pos += beacon->beacon_ies_len;
2876 if (beacon->proberesp_ies_len) {
2877 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2878 new_beacon->proberesp_ies = pos;
2879 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2880 pos += beacon->proberesp_ies_len;
2882 if (beacon->assocresp_ies_len) {
2883 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2884 new_beacon->assocresp_ies = pos;
2885 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2886 pos += beacon->assocresp_ies_len;
2888 if (beacon->probe_resp_len) {
2889 new_beacon->probe_resp_len = beacon->probe_resp_len;
2890 beacon->probe_resp = pos;
2891 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2892 pos += beacon->probe_resp_len;
2898 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2900 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2902 ieee80211_queue_work(&sdata->local->hw,
2903 &sdata->csa_finalize_work);
2905 EXPORT_SYMBOL(ieee80211_csa_finish);
2907 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2912 switch (sdata->vif.type) {
2913 case NL80211_IFTYPE_AP:
2914 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2916 kfree(sdata->u.ap.next_beacon);
2917 sdata->u.ap.next_beacon = NULL;
2923 case NL80211_IFTYPE_ADHOC:
2924 err = ieee80211_ibss_finish_csa(sdata);
2929 #ifdef CONFIG_MAC80211_MESH
2930 case NL80211_IFTYPE_MESH_POINT:
2931 err = ieee80211_mesh_finish_csa(sdata);
2945 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2947 struct ieee80211_local *local = sdata->local;
2951 sdata_assert_lock(sdata);
2952 lockdep_assert_held(&local->mtx);
2953 lockdep_assert_held(&local->chanctx_mtx);
2956 * using reservation isn't immediate as it may be deferred until later
2957 * with multi-vif. once reservation is complete it will re-schedule the
2958 * work with no reserved_chanctx so verify chandef to check if it
2959 * completed successfully
2962 if (sdata->reserved_chanctx) {
2964 * with multi-vif csa driver may call ieee80211_csa_finish()
2965 * many times while waiting for other interfaces to use their
2968 if (sdata->reserved_ready)
2971 return ieee80211_vif_use_reserved_context(sdata);
2974 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2975 &sdata->csa_chandef))
2978 sdata->vif.csa_active = false;
2980 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2984 ieee80211_bss_info_change_notify(sdata, changed);
2986 if (sdata->csa_block_tx) {
2987 ieee80211_wake_vif_queues(local, sdata,
2988 IEEE80211_QUEUE_STOP_REASON_CSA);
2989 sdata->csa_block_tx = false;
2992 err = drv_post_channel_switch(sdata);
2996 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3001 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3003 if (__ieee80211_csa_finalize(sdata)) {
3004 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3005 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3010 void ieee80211_csa_finalize_work(struct work_struct *work)
3012 struct ieee80211_sub_if_data *sdata =
3013 container_of(work, struct ieee80211_sub_if_data,
3015 struct ieee80211_local *local = sdata->local;
3018 mutex_lock(&local->mtx);
3019 mutex_lock(&local->chanctx_mtx);
3021 /* AP might have been stopped while waiting for the lock. */
3022 if (!sdata->vif.csa_active)
3025 if (!ieee80211_sdata_running(sdata))
3028 ieee80211_csa_finalize(sdata);
3031 mutex_unlock(&local->chanctx_mtx);
3032 mutex_unlock(&local->mtx);
3033 sdata_unlock(sdata);
3036 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3037 struct cfg80211_csa_settings *params,
3040 struct ieee80211_csa_settings csa = {};
3043 switch (sdata->vif.type) {
3044 case NL80211_IFTYPE_AP:
3045 sdata->u.ap.next_beacon =
3046 cfg80211_beacon_dup(¶ms->beacon_after);
3047 if (!sdata->u.ap.next_beacon)
3051 * With a count of 0, we don't have to wait for any
3052 * TBTT before switching, so complete the CSA
3053 * immediately. In theory, with a count == 1 we
3054 * should delay the switch until just before the next
3055 * TBTT, but that would complicate things so we switch
3056 * immediately too. If we would delay the switch
3057 * until the next TBTT, we would have to set the probe
3060 * TODO: A channel switch with count <= 1 without
3061 * sending a CSA action frame is kind of useless,
3062 * because the clients won't know we're changing
3063 * channels. The action frame must be implemented
3064 * either here or in the userspace.
3066 if (params->count <= 1)
3069 if ((params->n_counter_offsets_beacon >
3070 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3071 (params->n_counter_offsets_presp >
3072 IEEE80211_MAX_CSA_COUNTERS_NUM))
3075 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3076 csa.counter_offsets_presp = params->counter_offsets_presp;
3077 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3078 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3079 csa.count = params->count;
3081 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3083 kfree(sdata->u.ap.next_beacon);
3089 case NL80211_IFTYPE_ADHOC:
3090 if (!sdata->vif.bss_conf.ibss_joined)
3093 if (params->chandef.width != sdata->u.ibss.chandef.width)
3096 switch (params->chandef.width) {
3097 case NL80211_CHAN_WIDTH_40:
3098 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3099 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3101 case NL80211_CHAN_WIDTH_5:
3102 case NL80211_CHAN_WIDTH_10:
3103 case NL80211_CHAN_WIDTH_20_NOHT:
3104 case NL80211_CHAN_WIDTH_20:
3110 /* changes into another band are not supported */
3111 if (sdata->u.ibss.chandef.chan->band !=
3112 params->chandef.chan->band)
3115 /* see comments in the NL80211_IFTYPE_AP block */
3116 if (params->count > 1) {
3117 err = ieee80211_ibss_csa_beacon(sdata, params);
3123 ieee80211_send_action_csa(sdata, params);
3126 #ifdef CONFIG_MAC80211_MESH
3127 case NL80211_IFTYPE_MESH_POINT: {
3128 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3130 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3133 /* changes into another band are not supported */
3134 if (sdata->vif.bss_conf.chandef.chan->band !=
3135 params->chandef.chan->band)
3138 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3139 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3140 if (!ifmsh->pre_value)
3141 ifmsh->pre_value = 1;
3146 /* see comments in the NL80211_IFTYPE_AP block */
3147 if (params->count > 1) {
3148 err = ieee80211_mesh_csa_beacon(sdata, params);
3150 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3156 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3157 ieee80211_send_action_csa(sdata, params);
3170 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3171 struct cfg80211_csa_settings *params)
3173 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3174 struct ieee80211_local *local = sdata->local;
3175 struct ieee80211_channel_switch ch_switch;
3176 struct ieee80211_chanctx_conf *conf;
3177 struct ieee80211_chanctx *chanctx;
3181 sdata_assert_lock(sdata);
3182 lockdep_assert_held(&local->mtx);
3184 if (!list_empty(&local->roc_list) || local->scanning)
3187 if (sdata->wdev.cac_started)
3190 if (cfg80211_chandef_identical(¶ms->chandef,
3191 &sdata->vif.bss_conf.chandef))
3194 /* don't allow another channel switch if one is already active. */
3195 if (sdata->vif.csa_active)
3198 mutex_lock(&local->chanctx_mtx);
3199 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3200 lockdep_is_held(&local->chanctx_mtx));
3206 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3212 ch_switch.timestamp = 0;
3213 ch_switch.device_timestamp = 0;
3214 ch_switch.block_tx = params->block_tx;
3215 ch_switch.chandef = params->chandef;
3216 ch_switch.count = params->count;
3218 err = drv_pre_channel_switch(sdata, &ch_switch);
3222 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3224 params->radar_required);
3228 /* if reservation is invalid then this will fail */
3229 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3231 ieee80211_vif_unreserve_chanctx(sdata);
3235 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3237 ieee80211_vif_unreserve_chanctx(sdata);
3241 sdata->csa_chandef = params->chandef;
3242 sdata->csa_block_tx = params->block_tx;
3243 sdata->vif.csa_active = true;
3245 if (sdata->csa_block_tx)
3246 ieee80211_stop_vif_queues(local, sdata,
3247 IEEE80211_QUEUE_STOP_REASON_CSA);
3249 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3253 ieee80211_bss_info_change_notify(sdata, changed);
3254 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3256 /* if the beacon didn't change, we can finalize immediately */
3257 ieee80211_csa_finalize(sdata);
3261 mutex_unlock(&local->chanctx_mtx);
3265 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3266 struct cfg80211_csa_settings *params)
3268 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3269 struct ieee80211_local *local = sdata->local;
3272 mutex_lock(&local->mtx);
3273 err = __ieee80211_channel_switch(wiphy, dev, params);
3274 mutex_unlock(&local->mtx);
3279 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3280 struct cfg80211_mgmt_tx_params *params,
3283 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3284 struct ieee80211_local *local = sdata->local;
3285 struct sk_buff *skb;
3286 struct sta_info *sta;
3287 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3288 bool need_offchan = false;
3293 if (params->dont_wait_for_ack)
3294 flags = IEEE80211_TX_CTL_NO_ACK;
3296 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3297 IEEE80211_TX_CTL_REQ_TX_STATUS;
3300 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3302 switch (sdata->vif.type) {
3303 case NL80211_IFTYPE_ADHOC:
3304 if (!sdata->vif.bss_conf.ibss_joined)
3305 need_offchan = true;
3307 #ifdef CONFIG_MAC80211_MESH
3308 case NL80211_IFTYPE_MESH_POINT:
3309 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3310 !sdata->u.mesh.mesh_id_len)
3311 need_offchan = true;
3314 case NL80211_IFTYPE_AP:
3315 case NL80211_IFTYPE_AP_VLAN:
3316 case NL80211_IFTYPE_P2P_GO:
3317 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3318 !ieee80211_vif_is_mesh(&sdata->vif) &&
3319 !rcu_access_pointer(sdata->bss->beacon))
3320 need_offchan = true;
3321 if (!ieee80211_is_action(mgmt->frame_control) ||
3322 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3323 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3324 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3327 sta = sta_info_get(sdata, mgmt->da);
3332 case NL80211_IFTYPE_STATION:
3333 case NL80211_IFTYPE_P2P_CLIENT:
3334 if (!sdata->u.mgd.associated)
3335 need_offchan = true;
3337 case NL80211_IFTYPE_P2P_DEVICE:
3338 need_offchan = true;
3344 /* configurations requiring offchan cannot work if no channel has been
3347 if (need_offchan && !params->chan)
3350 mutex_lock(&local->mtx);
3352 /* Check if the operating channel is the requested channel */
3353 if (!need_offchan) {
3354 struct ieee80211_chanctx_conf *chanctx_conf;
3357 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3360 need_offchan = params->chan &&
3362 chanctx_conf->def.chan);
3363 } else if (!params->chan) {
3368 need_offchan = true;
3373 if (need_offchan && !params->offchan) {
3378 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3383 skb_reserve(skb, local->hw.extra_tx_headroom);
3385 data = skb_put(skb, params->len);
3386 memcpy(data, params->buf, params->len);
3388 /* Update CSA counters */
3389 if (sdata->vif.csa_active &&
3390 (sdata->vif.type == NL80211_IFTYPE_AP ||
3391 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3392 params->n_csa_offsets) {
3394 struct beacon_data *beacon = NULL;
3398 if (sdata->vif.type == NL80211_IFTYPE_AP)
3399 beacon = rcu_dereference(sdata->u.ap.beacon);
3400 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3401 beacon = rcu_dereference(sdata->u.ibss.presp);
3402 else if (ieee80211_vif_is_mesh(&sdata->vif))
3403 beacon = rcu_dereference(sdata->u.mesh.beacon);
3406 for (i = 0; i < params->n_csa_offsets; i++)
3407 data[params->csa_offsets[i]] =
3408 beacon->csa_current_counter;
3413 IEEE80211_SKB_CB(skb)->flags = flags;
3415 skb->dev = sdata->dev;
3417 if (!need_offchan) {
3418 *cookie = (unsigned long) skb;
3419 ieee80211_tx_skb(sdata, skb);
3424 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3425 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3426 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3427 IEEE80211_SKB_CB(skb)->hw_queue =
3428 local->hw.offchannel_tx_hw_queue;
3430 /* This will handle all kinds of coalescing and immediate TX */
3431 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3432 params->wait, cookie, skb,
3433 IEEE80211_ROC_TYPE_MGMT_TX);
3437 mutex_unlock(&local->mtx);
3441 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3442 struct wireless_dev *wdev,
3445 struct ieee80211_local *local = wiphy_priv(wiphy);
3447 return ieee80211_cancel_roc(local, cookie, true);
3450 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3451 struct wireless_dev *wdev,
3452 u16 frame_type, bool reg)
3454 struct ieee80211_local *local = wiphy_priv(wiphy);
3456 switch (frame_type) {
3457 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3459 local->probe_req_reg++;
3461 local->probe_req_reg--;
3463 if (!local->open_count)
3466 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3473 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3475 struct ieee80211_local *local = wiphy_priv(wiphy);
3480 return drv_set_antenna(local, tx_ant, rx_ant);
3483 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3485 struct ieee80211_local *local = wiphy_priv(wiphy);
3487 return drv_get_antenna(local, tx_ant, rx_ant);
3490 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3491 struct net_device *dev,
3492 struct cfg80211_gtk_rekey_data *data)
3494 struct ieee80211_local *local = wiphy_priv(wiphy);
3495 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3497 if (!local->ops->set_rekey_data)
3500 drv_set_rekey_data(local, sdata, data);
3505 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3506 const u8 *peer, u64 *cookie)
3508 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3509 struct ieee80211_local *local = sdata->local;
3510 struct ieee80211_qos_hdr *nullfunc;
3511 struct sk_buff *skb;
3512 int size = sizeof(*nullfunc);
3515 struct ieee80211_tx_info *info;
3516 struct sta_info *sta;
3517 struct ieee80211_chanctx_conf *chanctx_conf;
3518 enum ieee80211_band band;
3521 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3522 if (WARN_ON(!chanctx_conf)) {
3526 band = chanctx_conf->def.chan->band;
3527 sta = sta_info_get_bss(sdata, peer);
3536 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3537 IEEE80211_STYPE_QOS_NULLFUNC |
3538 IEEE80211_FCTL_FROMDS);
3541 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3542 IEEE80211_STYPE_NULLFUNC |
3543 IEEE80211_FCTL_FROMDS);
3546 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3554 skb_reserve(skb, local->hw.extra_tx_headroom);
3556 nullfunc = (void *) skb_put(skb, size);
3557 nullfunc->frame_control = fc;
3558 nullfunc->duration_id = 0;
3559 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3560 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3561 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3562 nullfunc->seq_ctrl = 0;
3564 info = IEEE80211_SKB_CB(skb);
3566 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3567 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3570 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3573 nullfunc->qos_ctrl = cpu_to_le16(7);
3576 ieee80211_xmit(sdata, skb);
3580 *cookie = (unsigned long) skb;
3584 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3585 struct wireless_dev *wdev,
3586 struct cfg80211_chan_def *chandef)
3588 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3589 struct ieee80211_local *local = wiphy_priv(wiphy);
3590 struct ieee80211_chanctx_conf *chanctx_conf;
3594 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3596 *chandef = sdata->vif.bss_conf.chandef;
3598 } else if (local->open_count > 0 &&
3599 local->open_count == local->monitors &&
3600 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3601 if (local->use_chanctx)
3602 *chandef = local->monitor_chandef;
3604 *chandef = local->_oper_chandef;
3613 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3615 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3619 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3620 struct net_device *dev,
3621 struct cfg80211_qos_map *qos_map)
3623 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3624 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3627 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3630 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3632 /* A NULL qos_map was passed to disable QoS mapping */
3636 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3637 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3639 kfree_rcu(old_qos_map, rcu_head);
3644 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3645 struct net_device *dev,
3646 struct cfg80211_chan_def *chandef)
3648 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3652 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3654 ieee80211_bss_info_change_notify(sdata, changed);
3659 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3660 u8 tsid, const u8 *peer, u8 up,
3663 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3664 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3665 int ac = ieee802_1d_to_ac[up];
3667 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3670 if (!(sdata->wmm_acm & BIT(up)))
3673 if (ifmgd->tx_tspec[ac].admitted_time)
3676 if (admitted_time) {
3677 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3678 ifmgd->tx_tspec[ac].tsid = tsid;
3679 ifmgd->tx_tspec[ac].up = up;
3685 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3686 u8 tsid, const u8 *peer)
3688 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3689 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3690 struct ieee80211_local *local = wiphy_priv(wiphy);
3693 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3694 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3696 /* skip unused entries */
3697 if (!tx_tspec->admitted_time)
3700 if (tx_tspec->tsid != tsid)
3703 /* due to this new packets will be reassigned to non-ACM ACs */
3706 /* Make sure that all packets have been sent to avoid to
3707 * restore the QoS params on packets that are still on the
3711 ieee80211_flush_queues(local, sdata, false);
3713 /* restore the normal QoS parameters
3714 * (unconditionally to avoid races)
3716 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3717 tx_tspec->downgraded = false;
3718 ieee80211_sta_handle_tspec_ac_params(sdata);
3720 /* finally clear all the data */
3721 memset(tx_tspec, 0, sizeof(*tx_tspec));
3729 const struct cfg80211_ops mac80211_config_ops = {
3730 .add_virtual_intf = ieee80211_add_iface,
3731 .del_virtual_intf = ieee80211_del_iface,
3732 .change_virtual_intf = ieee80211_change_iface,
3733 .start_p2p_device = ieee80211_start_p2p_device,
3734 .stop_p2p_device = ieee80211_stop_p2p_device,
3735 .add_key = ieee80211_add_key,
3736 .del_key = ieee80211_del_key,
3737 .get_key = ieee80211_get_key,
3738 .set_default_key = ieee80211_config_default_key,
3739 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3740 .start_ap = ieee80211_start_ap,
3741 .change_beacon = ieee80211_change_beacon,
3742 .stop_ap = ieee80211_stop_ap,
3743 .add_station = ieee80211_add_station,
3744 .del_station = ieee80211_del_station,
3745 .change_station = ieee80211_change_station,
3746 .get_station = ieee80211_get_station,
3747 .dump_station = ieee80211_dump_station,
3748 .dump_survey = ieee80211_dump_survey,
3749 #ifdef CONFIG_MAC80211_MESH
3750 .add_mpath = ieee80211_add_mpath,
3751 .del_mpath = ieee80211_del_mpath,
3752 .change_mpath = ieee80211_change_mpath,
3753 .get_mpath = ieee80211_get_mpath,
3754 .dump_mpath = ieee80211_dump_mpath,
3755 .get_mpp = ieee80211_get_mpp,
3756 .dump_mpp = ieee80211_dump_mpp,
3757 .update_mesh_config = ieee80211_update_mesh_config,
3758 .get_mesh_config = ieee80211_get_mesh_config,
3759 .join_mesh = ieee80211_join_mesh,
3760 .leave_mesh = ieee80211_leave_mesh,
3762 .join_ocb = ieee80211_join_ocb,
3763 .leave_ocb = ieee80211_leave_ocb,
3764 .change_bss = ieee80211_change_bss,
3765 .set_txq_params = ieee80211_set_txq_params,
3766 .set_monitor_channel = ieee80211_set_monitor_channel,
3767 .suspend = ieee80211_suspend,
3768 .resume = ieee80211_resume,
3769 .scan = ieee80211_scan,
3770 .sched_scan_start = ieee80211_sched_scan_start,
3771 .sched_scan_stop = ieee80211_sched_scan_stop,
3772 .auth = ieee80211_auth,
3773 .assoc = ieee80211_assoc,
3774 .deauth = ieee80211_deauth,
3775 .disassoc = ieee80211_disassoc,
3776 .join_ibss = ieee80211_join_ibss,
3777 .leave_ibss = ieee80211_leave_ibss,
3778 .set_mcast_rate = ieee80211_set_mcast_rate,
3779 .set_wiphy_params = ieee80211_set_wiphy_params,
3780 .set_tx_power = ieee80211_set_tx_power,
3781 .get_tx_power = ieee80211_get_tx_power,
3782 .set_wds_peer = ieee80211_set_wds_peer,
3783 .rfkill_poll = ieee80211_rfkill_poll,
3784 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3785 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3786 .set_power_mgmt = ieee80211_set_power_mgmt,
3787 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3788 .remain_on_channel = ieee80211_remain_on_channel,
3789 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3790 .mgmt_tx = ieee80211_mgmt_tx,
3791 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3792 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3793 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3794 .set_antenna = ieee80211_set_antenna,
3795 .get_antenna = ieee80211_get_antenna,
3796 .set_rekey_data = ieee80211_set_rekey_data,
3797 .tdls_oper = ieee80211_tdls_oper,
3798 .tdls_mgmt = ieee80211_tdls_mgmt,
3799 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3800 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3801 .probe_client = ieee80211_probe_client,
3802 .set_noack_map = ieee80211_set_noack_map,
3804 .set_wakeup = ieee80211_set_wakeup,
3806 .get_channel = ieee80211_cfg_get_channel,
3807 .start_radar_detection = ieee80211_start_radar_detection,
3808 .channel_switch = ieee80211_channel_switch,
3809 .set_qos_map = ieee80211_set_qos_map,
3810 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3811 .add_tx_ts = ieee80211_add_tx_ts,
3812 .del_tx_ts = ieee80211_del_tx_ts,