2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 Intel Mobile Communications GmbH
7 * This file is GPLv2 as found in COPYING.
10 #include <linux/ieee80211.h>
11 #include <linux/nl80211.h>
12 #include <linux/rtnetlink.h>
13 #include <linux/slab.h>
14 #include <net/net_namespace.h>
15 #include <linux/rcupdate.h>
16 #include <linux/if_ether.h>
17 #include <net/cfg80211.h>
18 #include "ieee80211_i.h"
19 #include "driver-ops.h"
25 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
27 unsigned char name_assign_type,
28 enum nl80211_iftype type,
30 struct vif_params *params)
32 struct ieee80211_local *local = wiphy_priv(wiphy);
33 struct wireless_dev *wdev;
34 struct ieee80211_sub_if_data *sdata;
37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
41 if (type == NL80211_IFTYPE_MONITOR && flags) {
42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
43 sdata->u.mntr_flags = *flags;
49 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
56 static int ieee80211_change_iface(struct wiphy *wiphy,
57 struct net_device *dev,
58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
64 ret = ieee80211_if_change_type(sdata, type);
68 if (type == NL80211_IFTYPE_AP_VLAN &&
69 params && params->use_4addr == 0)
70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
71 else if (type == NL80211_IFTYPE_STATION &&
72 params && params->use_4addr >= 0)
73 sdata->u.mgd.use_4addr = params->use_4addr;
75 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
76 struct ieee80211_local *local = sdata->local;
78 if (ieee80211_sdata_running(sdata)) {
79 u32 mask = MONITOR_FLAG_COOK_FRAMES |
83 * Prohibit MONITOR_FLAG_COOK_FRAMES and
84 * MONITOR_FLAG_ACTIVE to be changed while the
86 * Else we would need to add a lot of cruft
87 * to update everything:
88 * cooked_mntrs, monitor and all fif_* counters
89 * reconfigure hardware
91 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
94 ieee80211_adjust_monitor_flags(sdata, -1);
95 sdata->u.mntr_flags = *flags;
96 ieee80211_adjust_monitor_flags(sdata, 1);
98 ieee80211_configure_filter(local);
101 * Because the interface is down, ieee80211_do_stop
102 * and ieee80211_do_open take care of "everything"
103 * mentioned in the comment above.
105 sdata->u.mntr_flags = *flags;
112 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
115 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
118 mutex_lock(&sdata->local->chanctx_mtx);
119 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
120 mutex_unlock(&sdata->local->chanctx_mtx);
124 return ieee80211_do_open(wdev, true);
127 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
128 struct wireless_dev *wdev)
130 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
133 static int ieee80211_set_noack_map(struct wiphy *wiphy,
134 struct net_device *dev,
137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
139 sdata->noack_map = noack_map;
141 ieee80211_check_fast_xmit_iface(sdata);
146 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
147 u8 key_idx, bool pairwise, const u8 *mac_addr,
148 struct key_params *params)
150 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
151 struct ieee80211_local *local = sdata->local;
152 struct sta_info *sta = NULL;
153 const struct ieee80211_cipher_scheme *cs = NULL;
154 struct ieee80211_key *key;
157 if (!ieee80211_sdata_running(sdata))
160 /* reject WEP and TKIP keys if WEP failed to initialize */
161 switch (params->cipher) {
162 case WLAN_CIPHER_SUITE_WEP40:
163 case WLAN_CIPHER_SUITE_TKIP:
164 case WLAN_CIPHER_SUITE_WEP104:
165 if (IS_ERR(local->wep_tx_tfm))
168 case WLAN_CIPHER_SUITE_CCMP:
169 case WLAN_CIPHER_SUITE_CCMP_256:
170 case WLAN_CIPHER_SUITE_AES_CMAC:
171 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
172 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
173 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
174 case WLAN_CIPHER_SUITE_GCMP:
175 case WLAN_CIPHER_SUITE_GCMP_256:
178 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
182 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
183 params->key, params->seq_len, params->seq,
189 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
191 mutex_lock(&local->sta_mtx);
194 if (ieee80211_vif_is_mesh(&sdata->vif))
195 sta = sta_info_get(sdata, mac_addr);
197 sta = sta_info_get_bss(sdata, mac_addr);
199 * The ASSOC test makes sure the driver is ready to
200 * receive the key. When wpa_supplicant has roamed
201 * using FT, it attempts to set the key before
202 * association has completed, this rejects that attempt
203 * so it will set the key again after association.
205 * TODO: accept the key if we have a station entry and
206 * add it to the device after the station.
208 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
209 ieee80211_key_free_unused(key);
215 switch (sdata->vif.type) {
216 case NL80211_IFTYPE_STATION:
217 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
218 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
220 case NL80211_IFTYPE_AP:
221 case NL80211_IFTYPE_AP_VLAN:
222 /* Keys without a station are used for TX only */
223 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
224 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
226 case NL80211_IFTYPE_ADHOC:
229 case NL80211_IFTYPE_MESH_POINT:
230 #ifdef CONFIG_MAC80211_MESH
231 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
232 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
235 case NL80211_IFTYPE_WDS:
236 case NL80211_IFTYPE_MONITOR:
237 case NL80211_IFTYPE_P2P_DEVICE:
238 case NL80211_IFTYPE_UNSPECIFIED:
239 case NUM_NL80211_IFTYPES:
240 case NL80211_IFTYPE_P2P_CLIENT:
241 case NL80211_IFTYPE_P2P_GO:
242 case NL80211_IFTYPE_OCB:
243 /* shouldn't happen */
249 sta->cipher_scheme = cs;
251 err = ieee80211_key_link(key, sdata, sta);
254 mutex_unlock(&local->sta_mtx);
259 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
260 u8 key_idx, bool pairwise, const u8 *mac_addr)
262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
263 struct ieee80211_local *local = sdata->local;
264 struct sta_info *sta;
265 struct ieee80211_key *key = NULL;
268 mutex_lock(&local->sta_mtx);
269 mutex_lock(&local->key_mtx);
274 sta = sta_info_get_bss(sdata, mac_addr);
279 key = key_mtx_dereference(local, sta->ptk[key_idx]);
281 key = key_mtx_dereference(local, sta->gtk[key_idx]);
283 key = key_mtx_dereference(local, sdata->keys[key_idx]);
290 ieee80211_key_free(key, true);
294 mutex_unlock(&local->key_mtx);
295 mutex_unlock(&local->sta_mtx);
300 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
301 u8 key_idx, bool pairwise, const u8 *mac_addr,
303 void (*callback)(void *cookie,
304 struct key_params *params))
306 struct ieee80211_sub_if_data *sdata;
307 struct sta_info *sta = NULL;
309 struct key_params params;
310 struct ieee80211_key *key = NULL;
315 struct ieee80211_key_seq kseq = {};
317 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
322 sta = sta_info_get_bss(sdata, mac_addr);
326 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
327 key = rcu_dereference(sta->ptk[key_idx]);
328 else if (!pairwise &&
329 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
330 key = rcu_dereference(sta->gtk[key_idx]);
332 key = rcu_dereference(sdata->keys[key_idx]);
337 memset(¶ms, 0, sizeof(params));
339 params.cipher = key->conf.cipher;
341 switch (key->conf.cipher) {
342 case WLAN_CIPHER_SUITE_TKIP:
343 iv32 = key->u.tkip.tx.iv32;
344 iv16 = key->u.tkip.tx.iv16;
346 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
347 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
348 drv_get_key_seq(sdata->local, key, &kseq);
349 iv32 = kseq.tkip.iv32;
350 iv16 = kseq.tkip.iv16;
353 seq[0] = iv16 & 0xff;
354 seq[1] = (iv16 >> 8) & 0xff;
355 seq[2] = iv32 & 0xff;
356 seq[3] = (iv32 >> 8) & 0xff;
357 seq[4] = (iv32 >> 16) & 0xff;
358 seq[5] = (iv32 >> 24) & 0xff;
362 case WLAN_CIPHER_SUITE_CCMP:
363 case WLAN_CIPHER_SUITE_CCMP_256:
364 case WLAN_CIPHER_SUITE_AES_CMAC:
365 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
366 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
367 offsetof(typeof(kseq), aes_cmac));
368 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
369 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
370 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
371 offsetof(typeof(kseq), aes_gmac));
372 case WLAN_CIPHER_SUITE_GCMP:
373 case WLAN_CIPHER_SUITE_GCMP_256:
374 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
375 offsetof(typeof(kseq), gcmp));
377 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
378 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
379 drv_get_key_seq(sdata->local, key, &kseq);
380 memcpy(seq, kseq.ccmp.pn, 6);
382 pn64 = atomic64_read(&key->conf.tx_pn);
394 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
396 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
398 drv_get_key_seq(sdata->local, key, &kseq);
399 params.seq = kseq.hw.seq;
400 params.seq_len = kseq.hw.seq_len;
404 params.key = key->conf.key;
405 params.key_len = key->conf.keylen;
407 callback(cookie, ¶ms);
415 static int ieee80211_config_default_key(struct wiphy *wiphy,
416 struct net_device *dev,
417 u8 key_idx, bool uni,
420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
422 ieee80211_set_default_key(sdata, key_idx, uni, multi);
427 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
428 struct net_device *dev,
431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
433 ieee80211_set_default_mgmt_key(sdata, key_idx);
438 void sta_set_rate_info_tx(struct sta_info *sta,
439 const struct ieee80211_tx_rate *rate,
440 struct rate_info *rinfo)
443 if (rate->flags & IEEE80211_TX_RC_MCS) {
444 rinfo->flags |= RATE_INFO_FLAGS_MCS;
445 rinfo->mcs = rate->idx;
446 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
447 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
448 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
449 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
451 struct ieee80211_supported_band *sband;
452 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
455 sband = sta->local->hw.wiphy->bands[
456 ieee80211_get_sdata_band(sta->sdata)];
457 brate = sband->bitrates[rate->idx].bitrate;
458 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
460 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
461 rinfo->bw = RATE_INFO_BW_40;
462 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
463 rinfo->bw = RATE_INFO_BW_80;
464 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
465 rinfo->bw = RATE_INFO_BW_160;
467 rinfo->bw = RATE_INFO_BW_20;
468 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
469 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
472 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
476 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
477 rinfo->flags |= RATE_INFO_FLAGS_MCS;
478 rinfo->mcs = sta->last_rx_rate_idx;
479 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
480 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
481 rinfo->nss = sta->last_rx_rate_vht_nss;
482 rinfo->mcs = sta->last_rx_rate_idx;
484 struct ieee80211_supported_band *sband;
485 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
488 sband = sta->local->hw.wiphy->bands[
489 ieee80211_get_sdata_band(sta->sdata)];
490 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
491 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
494 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
495 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
497 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
498 rinfo->bw = RATE_INFO_BW_5;
499 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
500 rinfo->bw = RATE_INFO_BW_10;
501 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
502 rinfo->bw = RATE_INFO_BW_40;
503 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
504 rinfo->bw = RATE_INFO_BW_80;
505 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
506 rinfo->bw = RATE_INFO_BW_160;
508 rinfo->bw = RATE_INFO_BW_20;
511 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
512 int idx, u8 *mac, struct station_info *sinfo)
514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
515 struct ieee80211_local *local = sdata->local;
516 struct sta_info *sta;
519 mutex_lock(&local->sta_mtx);
521 sta = sta_info_get_by_idx(sdata, idx);
524 memcpy(mac, sta->sta.addr, ETH_ALEN);
525 sta_set_sinfo(sta, sinfo);
528 mutex_unlock(&local->sta_mtx);
533 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
534 int idx, struct survey_info *survey)
536 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
538 return drv_get_survey(local, idx, survey);
541 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
542 const u8 *mac, struct station_info *sinfo)
544 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
545 struct ieee80211_local *local = sdata->local;
546 struct sta_info *sta;
549 mutex_lock(&local->sta_mtx);
551 sta = sta_info_get_bss(sdata, mac);
554 sta_set_sinfo(sta, sinfo);
557 mutex_unlock(&local->sta_mtx);
562 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
563 struct cfg80211_chan_def *chandef)
565 struct ieee80211_local *local = wiphy_priv(wiphy);
566 struct ieee80211_sub_if_data *sdata;
569 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
572 mutex_lock(&local->mtx);
573 mutex_lock(&local->iflist_mtx);
574 if (local->use_chanctx) {
575 sdata = rcu_dereference_protected(
576 local->monitor_sdata,
577 lockdep_is_held(&local->iflist_mtx));
579 ieee80211_vif_release_channel(sdata);
580 ret = ieee80211_vif_use_channel(sdata, chandef,
581 IEEE80211_CHANCTX_EXCLUSIVE);
583 } else if (local->open_count == local->monitors) {
584 local->_oper_chandef = *chandef;
585 ieee80211_hw_config(local, 0);
589 local->monitor_chandef = *chandef;
590 mutex_unlock(&local->iflist_mtx);
591 mutex_unlock(&local->mtx);
596 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
597 const u8 *resp, size_t resp_len,
598 const struct ieee80211_csa_settings *csa)
600 struct probe_resp *new, *old;
602 if (!resp || !resp_len)
605 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
607 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
612 memcpy(new->data, resp, resp_len);
615 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
616 csa->n_counter_offsets_presp *
617 sizeof(new->csa_counter_offsets[0]));
619 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
621 kfree_rcu(old, rcu_head);
626 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
627 struct cfg80211_beacon_data *params,
628 const struct ieee80211_csa_settings *csa)
630 struct beacon_data *new, *old;
631 int new_head_len, new_tail_len;
633 u32 changed = BSS_CHANGED_BEACON;
635 old = sdata_dereference(sdata->u.ap.beacon, sdata);
638 /* Need to have a beacon head if we don't have one yet */
639 if (!params->head && !old)
642 /* new or old head? */
644 new_head_len = params->head_len;
646 new_head_len = old->head_len;
648 /* new or old tail? */
649 if (params->tail || !old)
650 /* params->tail_len will be zero for !params->tail */
651 new_tail_len = params->tail_len;
653 new_tail_len = old->tail_len;
655 size = sizeof(*new) + new_head_len + new_tail_len;
657 new = kzalloc(size, GFP_KERNEL);
661 /* start filling the new info now */
664 * pointers go into the block we allocated,
665 * memory is | beacon_data | head | tail |
667 new->head = ((u8 *) new) + sizeof(*new);
668 new->tail = new->head + new_head_len;
669 new->head_len = new_head_len;
670 new->tail_len = new_tail_len;
673 new->csa_current_counter = csa->count;
674 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
675 csa->n_counter_offsets_beacon *
676 sizeof(new->csa_counter_offsets[0]));
681 memcpy(new->head, params->head, new_head_len);
683 memcpy(new->head, old->head, new_head_len);
685 /* copy in optional tail */
687 memcpy(new->tail, params->tail, new_tail_len);
690 memcpy(new->tail, old->tail, new_tail_len);
692 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
693 params->probe_resp_len, csa);
697 changed |= BSS_CHANGED_AP_PROBE_RESP;
699 rcu_assign_pointer(sdata->u.ap.beacon, new);
702 kfree_rcu(old, rcu_head);
707 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
708 struct cfg80211_ap_settings *params)
710 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
711 struct ieee80211_local *local = sdata->local;
712 struct beacon_data *old;
713 struct ieee80211_sub_if_data *vlan;
714 u32 changed = BSS_CHANGED_BEACON_INT |
715 BSS_CHANGED_BEACON_ENABLED |
722 old = sdata_dereference(sdata->u.ap.beacon, sdata);
726 switch (params->smps_mode) {
727 case NL80211_SMPS_OFF:
728 sdata->smps_mode = IEEE80211_SMPS_OFF;
730 case NL80211_SMPS_STATIC:
731 sdata->smps_mode = IEEE80211_SMPS_STATIC;
733 case NL80211_SMPS_DYNAMIC:
734 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
739 sdata->needed_rx_chains = sdata->local->rx_chains;
741 mutex_lock(&local->mtx);
742 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
743 IEEE80211_CHANCTX_SHARED);
745 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
746 mutex_unlock(&local->mtx);
751 * Apply control port protocol, this allows us to
752 * not encrypt dynamic WEP control frames.
754 sdata->control_port_protocol = params->crypto.control_port_ethertype;
755 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
756 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
760 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
761 vlan->control_port_protocol =
762 params->crypto.control_port_ethertype;
763 vlan->control_port_no_encrypt =
764 params->crypto.control_port_no_encrypt;
765 vlan->encrypt_headroom =
766 ieee80211_cs_headroom(sdata->local,
771 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
772 sdata->vif.bss_conf.dtim_period = params->dtim_period;
773 sdata->vif.bss_conf.enable_beacon = true;
775 sdata->vif.bss_conf.ssid_len = params->ssid_len;
776 if (params->ssid_len)
777 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
779 sdata->vif.bss_conf.hidden_ssid =
780 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
782 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
783 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
784 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
785 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
786 if (params->p2p_opp_ps)
787 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
788 IEEE80211_P2P_OPPPS_ENABLE_BIT;
790 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
792 ieee80211_vif_release_channel(sdata);
797 err = drv_start_ap(sdata->local, sdata);
799 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802 kfree_rcu(old, rcu_head);
803 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
804 ieee80211_vif_release_channel(sdata);
808 ieee80211_recalc_dtim(local, sdata);
809 ieee80211_bss_info_change_notify(sdata, changed);
811 netif_carrier_on(dev);
812 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
813 netif_carrier_on(vlan->dev);
818 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
819 struct cfg80211_beacon_data *params)
821 struct ieee80211_sub_if_data *sdata;
822 struct beacon_data *old;
825 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
826 sdata_assert_lock(sdata);
828 /* don't allow changing the beacon while CSA is in place - offset
829 * of channel switch counter may change
831 if (sdata->vif.csa_active)
834 old = sdata_dereference(sdata->u.ap.beacon, sdata);
838 err = ieee80211_assign_beacon(sdata, params, NULL);
841 ieee80211_bss_info_change_notify(sdata, err);
845 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
848 struct ieee80211_sub_if_data *vlan;
849 struct ieee80211_local *local = sdata->local;
850 struct beacon_data *old_beacon;
851 struct probe_resp *old_probe_resp;
852 struct cfg80211_chan_def chandef;
854 sdata_assert_lock(sdata);
856 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
859 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
861 /* abort any running channel switch */
862 mutex_lock(&local->mtx);
863 sdata->vif.csa_active = false;
864 if (sdata->csa_block_tx) {
865 ieee80211_wake_vif_queues(local, sdata,
866 IEEE80211_QUEUE_STOP_REASON_CSA);
867 sdata->csa_block_tx = false;
870 mutex_unlock(&local->mtx);
872 kfree(sdata->u.ap.next_beacon);
873 sdata->u.ap.next_beacon = NULL;
875 /* turn off carrier for this interface and dependent VLANs */
876 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
877 netif_carrier_off(vlan->dev);
878 netif_carrier_off(dev);
880 /* remove beacon and probe response */
881 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
882 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
883 kfree_rcu(old_beacon, rcu_head);
885 kfree_rcu(old_probe_resp, rcu_head);
886 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
888 __sta_info_flush(sdata, true);
889 ieee80211_free_keys(sdata, true);
891 sdata->vif.bss_conf.enable_beacon = false;
892 sdata->vif.bss_conf.ssid_len = 0;
893 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
894 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
896 if (sdata->wdev.cac_started) {
897 chandef = sdata->vif.bss_conf.chandef;
898 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
899 cfg80211_cac_event(sdata->dev, &chandef,
900 NL80211_RADAR_CAC_ABORTED,
904 drv_stop_ap(sdata->local, sdata);
906 /* free all potentially still buffered bcast frames */
907 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
908 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
910 mutex_lock(&local->mtx);
911 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
912 ieee80211_vif_release_channel(sdata);
913 mutex_unlock(&local->mtx);
918 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
919 struct iapp_layer2_update {
920 u8 da[ETH_ALEN]; /* broadcast */
921 u8 sa[ETH_ALEN]; /* STA addr */
929 static void ieee80211_send_layer2_update(struct sta_info *sta)
931 struct iapp_layer2_update *msg;
934 /* Send Level 2 Update Frame to update forwarding tables in layer 2
937 skb = dev_alloc_skb(sizeof(*msg));
940 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
942 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
943 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
945 eth_broadcast_addr(msg->da);
946 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
949 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
950 msg->control = 0xaf; /* XID response lsb.1111F101.
951 * F=0 (no poll command; unsolicited frame) */
952 msg->xid_info[0] = 0x81; /* XID format identifier */
953 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
954 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
956 skb->dev = sta->sdata->dev;
957 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
958 memset(skb->cb, 0, sizeof(skb->cb));
962 static int sta_apply_auth_flags(struct ieee80211_local *local,
963 struct sta_info *sta,
968 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
969 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
970 !test_sta_flag(sta, WLAN_STA_AUTH)) {
971 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
976 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
977 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
978 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
980 * When peer becomes associated, init rate control as
981 * well. Some drivers require rate control initialized
982 * before drv_sta_state() is called.
984 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
985 rate_control_rate_init(sta);
987 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
992 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
993 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
994 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
995 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
996 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1003 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1004 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1005 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1006 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1011 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1012 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1013 test_sta_flag(sta, WLAN_STA_AUTH)) {
1014 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1022 static void sta_apply_mesh_params(struct ieee80211_local *local,
1023 struct sta_info *sta,
1024 struct station_parameters *params)
1026 #ifdef CONFIG_MAC80211_MESH
1027 struct ieee80211_sub_if_data *sdata = sta->sdata;
1030 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1031 switch (params->plink_state) {
1032 case NL80211_PLINK_ESTAB:
1033 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1034 changed = mesh_plink_inc_estab_count(sdata);
1035 sta->mesh->plink_state = params->plink_state;
1037 ieee80211_mps_sta_status_update(sta);
1038 changed |= ieee80211_mps_set_sta_local_pm(sta,
1039 sdata->u.mesh.mshcfg.power_mode);
1041 case NL80211_PLINK_LISTEN:
1042 case NL80211_PLINK_BLOCKED:
1043 case NL80211_PLINK_OPN_SNT:
1044 case NL80211_PLINK_OPN_RCVD:
1045 case NL80211_PLINK_CNF_RCVD:
1046 case NL80211_PLINK_HOLDING:
1047 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1048 changed = mesh_plink_dec_estab_count(sdata);
1049 sta->mesh->plink_state = params->plink_state;
1051 ieee80211_mps_sta_status_update(sta);
1052 changed |= ieee80211_mps_set_sta_local_pm(sta,
1053 NL80211_MESH_POWER_UNKNOWN);
1061 switch (params->plink_action) {
1062 case NL80211_PLINK_ACTION_NO_ACTION:
1065 case NL80211_PLINK_ACTION_OPEN:
1066 changed |= mesh_plink_open(sta);
1068 case NL80211_PLINK_ACTION_BLOCK:
1069 changed |= mesh_plink_block(sta);
1073 if (params->local_pm)
1074 changed |= ieee80211_mps_set_sta_local_pm(sta,
1077 ieee80211_mbss_info_change_notify(sdata, changed);
1081 static int sta_apply_parameters(struct ieee80211_local *local,
1082 struct sta_info *sta,
1083 struct station_parameters *params)
1086 struct ieee80211_supported_band *sband;
1087 struct ieee80211_sub_if_data *sdata = sta->sdata;
1088 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1091 sband = local->hw.wiphy->bands[band];
1093 mask = params->sta_flags_mask;
1094 set = params->sta_flags_set;
1096 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1098 * In mesh mode, ASSOCIATED isn't part of the nl80211
1099 * API but must follow AUTHENTICATED for driver state.
1101 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1102 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1103 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1104 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1105 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1107 * TDLS -- everything follows authorized, but
1108 * only becoming authorized is possible, not
1111 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1112 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1113 BIT(NL80211_STA_FLAG_ASSOCIATED);
1114 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1115 BIT(NL80211_STA_FLAG_ASSOCIATED);
1119 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1120 local->hw.queues >= IEEE80211_NUM_ACS)
1121 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1123 /* auth flags will be set later for TDLS stations */
1124 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1125 ret = sta_apply_auth_flags(local, sta, mask, set);
1130 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1131 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1132 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1134 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1137 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1138 if (set & BIT(NL80211_STA_FLAG_MFP))
1139 set_sta_flag(sta, WLAN_STA_MFP);
1141 clear_sta_flag(sta, WLAN_STA_MFP);
1144 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1145 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1146 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1148 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1151 /* mark TDLS channel switch support, if the AP allows it */
1152 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1153 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1154 params->ext_capab_len >= 4 &&
1155 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1156 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1158 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1159 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1160 params->ext_capab_len >= 8 &&
1161 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1162 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1164 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1165 sta->sta.uapsd_queues = params->uapsd_queues;
1166 sta->sta.max_sp = params->max_sp;
1170 * cfg80211 validates this (1-2007) and allows setting the AID
1171 * only when creating a new station entry
1174 sta->sta.aid = params->aid;
1177 * Some of the following updates would be racy if called on an
1178 * existing station, via ieee80211_change_station(). However,
1179 * all such changes are rejected by cfg80211 except for updates
1180 * changing the supported rates on an existing but not yet used
1184 if (params->listen_interval >= 0)
1185 sta->listen_interval = params->listen_interval;
1187 if (params->supported_rates) {
1188 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1189 sband, params->supported_rates,
1190 params->supported_rates_len,
1191 &sta->sta.supp_rates[band]);
1194 if (params->ht_capa)
1195 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1196 params->ht_capa, sta);
1198 if (params->vht_capa)
1199 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1200 params->vht_capa, sta);
1202 if (params->opmode_notif_used) {
1203 /* returned value is only needed for rc update, but the
1204 * rc isn't initialized here yet, so ignore it
1206 __ieee80211_vht_handle_opmode(sdata, sta,
1207 params->opmode_notif,
1211 if (ieee80211_vif_is_mesh(&sdata->vif))
1212 sta_apply_mesh_params(local, sta, params);
1214 /* set the STA state after all sta info from usermode has been set */
1215 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1216 ret = sta_apply_auth_flags(local, sta, mask, set);
1224 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1226 struct station_parameters *params)
1228 struct ieee80211_local *local = wiphy_priv(wiphy);
1229 struct sta_info *sta;
1230 struct ieee80211_sub_if_data *sdata;
1235 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1237 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1238 sdata->vif.type != NL80211_IFTYPE_AP)
1241 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1243 if (ether_addr_equal(mac, sdata->vif.addr))
1246 if (is_multicast_ether_addr(mac))
1249 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1254 * defaults -- if userspace wants something else we'll
1255 * change it accordingly in sta_apply_parameters()
1257 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1258 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1259 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1261 sta->sta.tdls = true;
1264 err = sta_apply_parameters(local, sta, params);
1266 sta_info_free(local, sta);
1271 * for TDLS, rate control should be initialized only when
1272 * rates are known and station is marked authorized
1274 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1275 rate_control_rate_init(sta);
1277 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1278 sdata->vif.type == NL80211_IFTYPE_AP;
1280 err = sta_info_insert_rcu(sta);
1287 ieee80211_send_layer2_update(sta);
1294 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1295 struct station_del_parameters *params)
1297 struct ieee80211_sub_if_data *sdata;
1299 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1302 return sta_info_destroy_addr_bss(sdata, params->mac);
1304 sta_info_flush(sdata);
1308 static int ieee80211_change_station(struct wiphy *wiphy,
1309 struct net_device *dev, const u8 *mac,
1310 struct station_parameters *params)
1312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1313 struct ieee80211_local *local = wiphy_priv(wiphy);
1314 struct sta_info *sta;
1315 struct ieee80211_sub_if_data *vlansdata;
1316 enum cfg80211_station_type statype;
1319 mutex_lock(&local->sta_mtx);
1321 sta = sta_info_get_bss(sdata, mac);
1327 switch (sdata->vif.type) {
1328 case NL80211_IFTYPE_MESH_POINT:
1329 if (sdata->u.mesh.user_mpm)
1330 statype = CFG80211_STA_MESH_PEER_USER;
1332 statype = CFG80211_STA_MESH_PEER_KERNEL;
1334 case NL80211_IFTYPE_ADHOC:
1335 statype = CFG80211_STA_IBSS;
1337 case NL80211_IFTYPE_STATION:
1338 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1339 statype = CFG80211_STA_AP_STA;
1342 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1343 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1345 statype = CFG80211_STA_TDLS_PEER_SETUP;
1347 case NL80211_IFTYPE_AP:
1348 case NL80211_IFTYPE_AP_VLAN:
1349 statype = CFG80211_STA_AP_CLIENT;
1356 err = cfg80211_check_station_change(wiphy, params, statype);
1360 if (params->vlan && params->vlan != sta->sdata->dev) {
1361 bool prev_4addr = false;
1362 bool new_4addr = false;
1364 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1366 if (params->vlan->ieee80211_ptr->use_4addr) {
1367 if (vlansdata->u.vlan.sta) {
1372 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1376 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1377 sta->sdata->u.vlan.sta) {
1378 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1382 sta->sdata = vlansdata;
1383 ieee80211_check_fast_xmit(sta);
1385 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1386 prev_4addr != new_4addr) {
1388 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1390 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1393 ieee80211_send_layer2_update(sta);
1396 err = sta_apply_parameters(local, sta, params);
1400 mutex_unlock(&local->sta_mtx);
1402 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1403 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1404 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1405 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1406 sta_info_tx_streams(sta) != 1) {
1408 "%pM just authorized and MIMO capable - update SMPS\n",
1410 ieee80211_send_smps_action(sta->sdata,
1411 sta->sdata->bss->req_smps,
1413 sta->sdata->vif.bss_conf.bssid);
1416 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1417 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1418 ieee80211_recalc_ps(local, -1);
1419 ieee80211_recalc_ps_vif(sdata);
1424 mutex_unlock(&local->sta_mtx);
1428 #ifdef CONFIG_MAC80211_MESH
1429 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1430 const u8 *dst, const u8 *next_hop)
1432 struct ieee80211_sub_if_data *sdata;
1433 struct mesh_path *mpath;
1434 struct sta_info *sta;
1436 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1439 sta = sta_info_get(sdata, next_hop);
1445 mpath = mesh_path_add(sdata, dst);
1446 if (IS_ERR(mpath)) {
1448 return PTR_ERR(mpath);
1451 mesh_path_fix_nexthop(mpath, sta);
1457 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1460 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1463 return mesh_path_del(sdata, dst);
1465 mesh_path_flush_by_iface(sdata);
1469 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1470 const u8 *dst, const u8 *next_hop)
1472 struct ieee80211_sub_if_data *sdata;
1473 struct mesh_path *mpath;
1474 struct sta_info *sta;
1476 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1480 sta = sta_info_get(sdata, next_hop);
1486 mpath = mesh_path_lookup(sdata, dst);
1492 mesh_path_fix_nexthop(mpath, sta);
1498 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1499 struct mpath_info *pinfo)
1501 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1504 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1506 eth_zero_addr(next_hop);
1508 memset(pinfo, 0, sizeof(*pinfo));
1510 pinfo->generation = mesh_paths_generation;
1512 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1515 MPATH_INFO_EXPTIME |
1516 MPATH_INFO_DISCOVERY_TIMEOUT |
1517 MPATH_INFO_DISCOVERY_RETRIES |
1520 pinfo->frame_qlen = mpath->frame_queue.qlen;
1521 pinfo->sn = mpath->sn;
1522 pinfo->metric = mpath->metric;
1523 if (time_before(jiffies, mpath->exp_time))
1524 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1525 pinfo->discovery_timeout =
1526 jiffies_to_msecs(mpath->discovery_timeout);
1527 pinfo->discovery_retries = mpath->discovery_retries;
1528 if (mpath->flags & MESH_PATH_ACTIVE)
1529 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1530 if (mpath->flags & MESH_PATH_RESOLVING)
1531 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1532 if (mpath->flags & MESH_PATH_SN_VALID)
1533 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1534 if (mpath->flags & MESH_PATH_FIXED)
1535 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1536 if (mpath->flags & MESH_PATH_RESOLVED)
1537 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1540 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1541 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1544 struct ieee80211_sub_if_data *sdata;
1545 struct mesh_path *mpath;
1547 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1550 mpath = mesh_path_lookup(sdata, dst);
1555 memcpy(dst, mpath->dst, ETH_ALEN);
1556 mpath_set_pinfo(mpath, next_hop, pinfo);
1561 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1562 int idx, u8 *dst, u8 *next_hop,
1563 struct mpath_info *pinfo)
1565 struct ieee80211_sub_if_data *sdata;
1566 struct mesh_path *mpath;
1568 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1571 mpath = mesh_path_lookup_by_idx(sdata, idx);
1576 memcpy(dst, mpath->dst, ETH_ALEN);
1577 mpath_set_pinfo(mpath, next_hop, pinfo);
1582 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1583 struct mpath_info *pinfo)
1585 memset(pinfo, 0, sizeof(*pinfo));
1586 memcpy(mpp, mpath->mpp, ETH_ALEN);
1588 pinfo->generation = mpp_paths_generation;
1591 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1592 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1595 struct ieee80211_sub_if_data *sdata;
1596 struct mesh_path *mpath;
1598 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1601 mpath = mpp_path_lookup(sdata, dst);
1606 memcpy(dst, mpath->dst, ETH_ALEN);
1607 mpp_set_pinfo(mpath, mpp, pinfo);
1612 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1613 int idx, u8 *dst, u8 *mpp,
1614 struct mpath_info *pinfo)
1616 struct ieee80211_sub_if_data *sdata;
1617 struct mesh_path *mpath;
1619 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1622 mpath = mpp_path_lookup_by_idx(sdata, idx);
1627 memcpy(dst, mpath->dst, ETH_ALEN);
1628 mpp_set_pinfo(mpath, mpp, pinfo);
1633 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1634 struct net_device *dev,
1635 struct mesh_config *conf)
1637 struct ieee80211_sub_if_data *sdata;
1638 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1640 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1644 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1646 return (mask >> (parm-1)) & 0x1;
1649 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1650 const struct mesh_setup *setup)
1654 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1655 struct ieee80211_sub_if_data, u.mesh);
1657 /* allocate information elements */
1661 if (setup->ie_len) {
1662 new_ie = kmemdup(setup->ie, setup->ie_len,
1667 ifmsh->ie_len = setup->ie_len;
1671 /* now copy the rest of the setup parameters */
1672 ifmsh->mesh_id_len = setup->mesh_id_len;
1673 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1674 ifmsh->mesh_sp_id = setup->sync_method;
1675 ifmsh->mesh_pp_id = setup->path_sel_proto;
1676 ifmsh->mesh_pm_id = setup->path_metric;
1677 ifmsh->user_mpm = setup->user_mpm;
1678 ifmsh->mesh_auth_id = setup->auth_id;
1679 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1680 if (setup->is_authenticated)
1681 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1682 if (setup->is_secure)
1683 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1685 /* mcast rate setting in Mesh Node */
1686 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1687 sizeof(setup->mcast_rate));
1688 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1690 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1691 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1696 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1697 struct net_device *dev, u32 mask,
1698 const struct mesh_config *nconf)
1700 struct mesh_config *conf;
1701 struct ieee80211_sub_if_data *sdata;
1702 struct ieee80211_if_mesh *ifmsh;
1704 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1705 ifmsh = &sdata->u.mesh;
1707 /* Set the config options which we are interested in setting */
1708 conf = &(sdata->u.mesh.mshcfg);
1709 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1710 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1711 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1712 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1713 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1714 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1715 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1716 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1717 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1718 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1719 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1720 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1721 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1722 conf->element_ttl = nconf->element_ttl;
1723 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1724 if (ifmsh->user_mpm)
1726 conf->auto_open_plinks = nconf->auto_open_plinks;
1728 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1729 conf->dot11MeshNbrOffsetMaxNeighbor =
1730 nconf->dot11MeshNbrOffsetMaxNeighbor;
1731 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1732 conf->dot11MeshHWMPmaxPREQretries =
1733 nconf->dot11MeshHWMPmaxPREQretries;
1734 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1735 conf->path_refresh_time = nconf->path_refresh_time;
1736 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1737 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1738 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1739 conf->dot11MeshHWMPactivePathTimeout =
1740 nconf->dot11MeshHWMPactivePathTimeout;
1741 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1742 conf->dot11MeshHWMPpreqMinInterval =
1743 nconf->dot11MeshHWMPpreqMinInterval;
1744 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1745 conf->dot11MeshHWMPperrMinInterval =
1746 nconf->dot11MeshHWMPperrMinInterval;
1747 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1749 conf->dot11MeshHWMPnetDiameterTraversalTime =
1750 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1751 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1752 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1753 ieee80211_mesh_root_setup(ifmsh);
1755 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1756 /* our current gate announcement implementation rides on root
1757 * announcements, so require this ifmsh to also be a root node
1759 if (nconf->dot11MeshGateAnnouncementProtocol &&
1760 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1761 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1762 ieee80211_mesh_root_setup(ifmsh);
1764 conf->dot11MeshGateAnnouncementProtocol =
1765 nconf->dot11MeshGateAnnouncementProtocol;
1767 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1768 conf->dot11MeshHWMPRannInterval =
1769 nconf->dot11MeshHWMPRannInterval;
1770 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1771 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1772 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1773 /* our RSSI threshold implementation is supported only for
1774 * devices that report signal in dBm.
1776 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1778 conf->rssi_threshold = nconf->rssi_threshold;
1780 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1781 conf->ht_opmode = nconf->ht_opmode;
1782 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1783 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1785 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1786 conf->dot11MeshHWMPactivePathToRootTimeout =
1787 nconf->dot11MeshHWMPactivePathToRootTimeout;
1788 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1789 conf->dot11MeshHWMProotInterval =
1790 nconf->dot11MeshHWMProotInterval;
1791 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1792 conf->dot11MeshHWMPconfirmationInterval =
1793 nconf->dot11MeshHWMPconfirmationInterval;
1794 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1795 conf->power_mode = nconf->power_mode;
1796 ieee80211_mps_local_status_update(sdata);
1798 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1799 conf->dot11MeshAwakeWindowDuration =
1800 nconf->dot11MeshAwakeWindowDuration;
1801 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1802 conf->plink_timeout = nconf->plink_timeout;
1803 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1807 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1808 const struct mesh_config *conf,
1809 const struct mesh_setup *setup)
1811 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1812 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1815 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1816 err = copy_mesh_setup(ifmsh, setup);
1820 /* can mesh use other SMPS modes? */
1821 sdata->smps_mode = IEEE80211_SMPS_OFF;
1822 sdata->needed_rx_chains = sdata->local->rx_chains;
1824 mutex_lock(&sdata->local->mtx);
1825 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1826 IEEE80211_CHANCTX_SHARED);
1827 mutex_unlock(&sdata->local->mtx);
1831 return ieee80211_start_mesh(sdata);
1834 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1836 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1838 ieee80211_stop_mesh(sdata);
1839 mutex_lock(&sdata->local->mtx);
1840 ieee80211_vif_release_channel(sdata);
1841 mutex_unlock(&sdata->local->mtx);
1847 static int ieee80211_change_bss(struct wiphy *wiphy,
1848 struct net_device *dev,
1849 struct bss_parameters *params)
1851 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1852 enum ieee80211_band band;
1855 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1858 band = ieee80211_get_sdata_band(sdata);
1860 if (params->use_cts_prot >= 0) {
1861 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1862 changed |= BSS_CHANGED_ERP_CTS_PROT;
1864 if (params->use_short_preamble >= 0) {
1865 sdata->vif.bss_conf.use_short_preamble =
1866 params->use_short_preamble;
1867 changed |= BSS_CHANGED_ERP_PREAMBLE;
1870 if (!sdata->vif.bss_conf.use_short_slot &&
1871 band == IEEE80211_BAND_5GHZ) {
1872 sdata->vif.bss_conf.use_short_slot = true;
1873 changed |= BSS_CHANGED_ERP_SLOT;
1876 if (params->use_short_slot_time >= 0) {
1877 sdata->vif.bss_conf.use_short_slot =
1878 params->use_short_slot_time;
1879 changed |= BSS_CHANGED_ERP_SLOT;
1882 if (params->basic_rates) {
1883 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1885 params->basic_rates,
1886 params->basic_rates_len,
1887 &sdata->vif.bss_conf.basic_rates);
1888 changed |= BSS_CHANGED_BASIC_RATES;
1891 if (params->ap_isolate >= 0) {
1892 if (params->ap_isolate)
1893 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1895 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1898 if (params->ht_opmode >= 0) {
1899 sdata->vif.bss_conf.ht_operation_mode =
1900 (u16) params->ht_opmode;
1901 changed |= BSS_CHANGED_HT;
1904 if (params->p2p_ctwindow >= 0) {
1905 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1906 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1907 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1908 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1909 changed |= BSS_CHANGED_P2P_PS;
1912 if (params->p2p_opp_ps > 0) {
1913 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1914 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1915 changed |= BSS_CHANGED_P2P_PS;
1916 } else if (params->p2p_opp_ps == 0) {
1917 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1918 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1919 changed |= BSS_CHANGED_P2P_PS;
1922 ieee80211_bss_info_change_notify(sdata, changed);
1927 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1928 struct net_device *dev,
1929 struct ieee80211_txq_params *params)
1931 struct ieee80211_local *local = wiphy_priv(wiphy);
1932 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1933 struct ieee80211_tx_queue_params p;
1935 if (!local->ops->conf_tx)
1938 if (local->hw.queues < IEEE80211_NUM_ACS)
1941 memset(&p, 0, sizeof(p));
1942 p.aifs = params->aifs;
1943 p.cw_max = params->cwmax;
1944 p.cw_min = params->cwmin;
1945 p.txop = params->txop;
1948 * Setting tx queue params disables u-apsd because it's only
1949 * called in master mode.
1953 sdata->tx_conf[params->ac] = p;
1954 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1955 wiphy_debug(local->hw.wiphy,
1956 "failed to set TX queue parameters for AC %d\n",
1961 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1967 static int ieee80211_suspend(struct wiphy *wiphy,
1968 struct cfg80211_wowlan *wowlan)
1970 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1973 static int ieee80211_resume(struct wiphy *wiphy)
1975 return __ieee80211_resume(wiphy_priv(wiphy));
1978 #define ieee80211_suspend NULL
1979 #define ieee80211_resume NULL
1982 static int ieee80211_scan(struct wiphy *wiphy,
1983 struct cfg80211_scan_request *req)
1985 struct ieee80211_sub_if_data *sdata;
1987 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1989 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1990 case NL80211_IFTYPE_STATION:
1991 case NL80211_IFTYPE_ADHOC:
1992 case NL80211_IFTYPE_MESH_POINT:
1993 case NL80211_IFTYPE_P2P_CLIENT:
1994 case NL80211_IFTYPE_P2P_DEVICE:
1996 case NL80211_IFTYPE_P2P_GO:
1997 if (sdata->local->ops->hw_scan)
2000 * FIXME: implement NoA while scanning in software,
2001 * for now fall through to allow scanning only when
2002 * beaconing hasn't been configured yet
2004 case NL80211_IFTYPE_AP:
2006 * If the scan has been forced (and the driver supports
2007 * forcing), don't care about being beaconing already.
2008 * This will create problems to the attached stations (e.g. all
2009 * the frames sent while scanning on other channel will be
2012 if (sdata->u.ap.beacon &&
2013 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2014 !(req->flags & NL80211_SCAN_FLAG_AP)))
2021 return ieee80211_request_scan(sdata, req);
2025 ieee80211_sched_scan_start(struct wiphy *wiphy,
2026 struct net_device *dev,
2027 struct cfg80211_sched_scan_request *req)
2029 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2031 if (!sdata->local->ops->sched_scan_start)
2034 return ieee80211_request_sched_scan_start(sdata, req);
2038 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2040 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2042 if (!sdata->local->ops->sched_scan_stop)
2045 return ieee80211_request_sched_scan_stop(sdata);
2048 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2049 struct cfg80211_auth_request *req)
2051 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2054 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2055 struct cfg80211_assoc_request *req)
2057 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2060 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2061 struct cfg80211_deauth_request *req)
2063 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2066 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2067 struct cfg80211_disassoc_request *req)
2069 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2072 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2073 struct cfg80211_ibss_params *params)
2075 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2078 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2080 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2083 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2084 struct ocb_setup *setup)
2086 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2089 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2091 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2094 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2095 int rate[IEEE80211_NUM_BANDS])
2097 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2099 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2100 sizeof(int) * IEEE80211_NUM_BANDS);
2105 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2107 struct ieee80211_local *local = wiphy_priv(wiphy);
2110 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2111 ieee80211_check_fast_xmit_all(local);
2113 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2116 ieee80211_check_fast_xmit_all(local);
2121 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2122 (changed & WIPHY_PARAM_DYN_ACK)) {
2125 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2126 wiphy->coverage_class : -1;
2127 err = drv_set_coverage_class(local, coverage_class);
2133 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2134 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2140 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2141 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2143 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2145 if (changed & WIPHY_PARAM_RETRY_LONG) {
2146 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2148 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2151 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2152 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2157 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2158 struct wireless_dev *wdev,
2159 enum nl80211_tx_power_setting type, int mbm)
2161 struct ieee80211_local *local = wiphy_priv(wiphy);
2162 struct ieee80211_sub_if_data *sdata;
2163 enum nl80211_tx_power_setting txp_type = type;
2164 bool update_txp_type = false;
2167 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2170 case NL80211_TX_POWER_AUTOMATIC:
2171 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2172 txp_type = NL80211_TX_POWER_LIMITED;
2174 case NL80211_TX_POWER_LIMITED:
2175 case NL80211_TX_POWER_FIXED:
2176 if (mbm < 0 || (mbm % 100))
2178 sdata->user_power_level = MBM_TO_DBM(mbm);
2182 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2183 update_txp_type = true;
2184 sdata->vif.bss_conf.txpower_type = txp_type;
2187 ieee80211_recalc_txpower(sdata, update_txp_type);
2193 case NL80211_TX_POWER_AUTOMATIC:
2194 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2195 txp_type = NL80211_TX_POWER_LIMITED;
2197 case NL80211_TX_POWER_LIMITED:
2198 case NL80211_TX_POWER_FIXED:
2199 if (mbm < 0 || (mbm % 100))
2201 local->user_power_level = MBM_TO_DBM(mbm);
2205 mutex_lock(&local->iflist_mtx);
2206 list_for_each_entry(sdata, &local->interfaces, list) {
2207 sdata->user_power_level = local->user_power_level;
2208 if (txp_type != sdata->vif.bss_conf.txpower_type)
2209 update_txp_type = true;
2210 sdata->vif.bss_conf.txpower_type = txp_type;
2212 list_for_each_entry(sdata, &local->interfaces, list)
2213 ieee80211_recalc_txpower(sdata, update_txp_type);
2214 mutex_unlock(&local->iflist_mtx);
2219 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2220 struct wireless_dev *wdev,
2223 struct ieee80211_local *local = wiphy_priv(wiphy);
2224 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2226 if (local->ops->get_txpower)
2227 return drv_get_txpower(local, sdata, dbm);
2229 if (!local->use_chanctx)
2230 *dbm = local->hw.conf.power_level;
2232 *dbm = sdata->vif.bss_conf.txpower;
2237 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2240 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2242 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2247 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2249 struct ieee80211_local *local = wiphy_priv(wiphy);
2251 drv_rfkill_poll(local);
2254 #ifdef CONFIG_NL80211_TESTMODE
2255 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2256 struct wireless_dev *wdev,
2257 void *data, int len)
2259 struct ieee80211_local *local = wiphy_priv(wiphy);
2260 struct ieee80211_vif *vif = NULL;
2262 if (!local->ops->testmode_cmd)
2266 struct ieee80211_sub_if_data *sdata;
2268 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2269 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2273 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2276 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2277 struct sk_buff *skb,
2278 struct netlink_callback *cb,
2279 void *data, int len)
2281 struct ieee80211_local *local = wiphy_priv(wiphy);
2283 if (!local->ops->testmode_dump)
2286 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2290 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2291 enum ieee80211_smps_mode smps_mode)
2293 struct sta_info *sta;
2294 enum ieee80211_smps_mode old_req;
2296 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2299 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2302 old_req = sdata->u.ap.req_smps;
2303 sdata->u.ap.req_smps = smps_mode;
2305 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2306 if (old_req == smps_mode ||
2307 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2310 /* If no associated stations, there's no need to do anything */
2311 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2312 sdata->smps_mode = smps_mode;
2313 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2318 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2319 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2321 mutex_lock(&sdata->local->sta_mtx);
2322 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2324 * Only stations associated to our AP and
2327 if (sta->sdata->bss != &sdata->u.ap)
2330 /* This station doesn't support MIMO - skip it */
2331 if (sta_info_tx_streams(sta) == 1)
2335 * Don't wake up a STA just to send the action frame
2336 * unless we are getting more restrictive.
2338 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2339 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2341 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2347 * If the STA is not authorized, wait until it gets
2348 * authorized and the action frame will be sent then.
2350 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2353 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2354 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2355 sdata->vif.bss_conf.bssid);
2357 mutex_unlock(&sdata->local->sta_mtx);
2359 sdata->smps_mode = smps_mode;
2360 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2365 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2366 enum ieee80211_smps_mode smps_mode)
2369 enum ieee80211_smps_mode old_req;
2371 struct sta_info *sta;
2372 bool tdls_peer_found = false;
2374 lockdep_assert_held(&sdata->wdev.mtx);
2376 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2379 old_req = sdata->u.mgd.req_smps;
2380 sdata->u.mgd.req_smps = smps_mode;
2382 if (old_req == smps_mode &&
2383 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2387 * If not associated, or current association is not an HT
2388 * association, there's no need to do anything, just store
2389 * the new value until we associate.
2391 if (!sdata->u.mgd.associated ||
2392 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2395 ap = sdata->u.mgd.associated->bssid;
2398 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2399 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2400 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2403 tdls_peer_found = true;
2408 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2409 if (tdls_peer_found || !sdata->u.mgd.powersave)
2410 smps_mode = IEEE80211_SMPS_OFF;
2412 smps_mode = IEEE80211_SMPS_DYNAMIC;
2415 /* send SM PS frame to AP */
2416 err = ieee80211_send_smps_action(sdata, smps_mode,
2419 sdata->u.mgd.req_smps = old_req;
2420 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2421 ieee80211_teardown_tdls_peers(sdata);
2426 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2427 bool enabled, int timeout)
2429 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2430 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2432 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2435 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2438 if (enabled == sdata->u.mgd.powersave &&
2439 timeout == local->dynamic_ps_forced_timeout)
2442 sdata->u.mgd.powersave = enabled;
2443 local->dynamic_ps_forced_timeout = timeout;
2445 /* no change, but if automatic follow powersave */
2447 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2448 sdata_unlock(sdata);
2450 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2451 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2453 ieee80211_recalc_ps(local, -1);
2454 ieee80211_recalc_ps_vif(sdata);
2459 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2460 struct net_device *dev,
2461 s32 rssi_thold, u32 rssi_hyst)
2463 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2464 struct ieee80211_vif *vif = &sdata->vif;
2465 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2467 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2468 rssi_hyst == bss_conf->cqm_rssi_hyst)
2471 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2472 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2475 bss_conf->cqm_rssi_thold = rssi_thold;
2476 bss_conf->cqm_rssi_hyst = rssi_hyst;
2478 /* tell the driver upon association, unless already associated */
2479 if (sdata->u.mgd.associated &&
2480 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2481 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2486 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2487 struct net_device *dev,
2489 const struct cfg80211_bitrate_mask *mask)
2491 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2492 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2495 if (!ieee80211_sdata_running(sdata))
2498 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2499 ret = drv_set_bitrate_mask(local, sdata, mask);
2504 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2505 struct ieee80211_supported_band *sband = wiphy->bands[i];
2508 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2509 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2510 sizeof(mask->control[i].ht_mcs));
2511 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2512 mask->control[i].vht_mcs,
2513 sizeof(mask->control[i].vht_mcs));
2515 sdata->rc_has_mcs_mask[i] = false;
2516 sdata->rc_has_vht_mcs_mask[i] = false;
2520 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2521 if (~sdata->rc_rateidx_mcs_mask[i][j])
2522 sdata->rc_has_mcs_mask[i] = true;
2524 if (~sdata->rc_rateidx_vht_mcs_mask[i][j])
2525 sdata->rc_has_vht_mcs_mask[i] = true;
2527 if (sdata->rc_has_mcs_mask[i] &&
2528 sdata->rc_has_vht_mcs_mask[i])
2536 static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2537 struct ieee80211_roc_work *new_roc,
2538 struct ieee80211_roc_work *cur_roc)
2540 unsigned long now = jiffies;
2541 unsigned long remaining = cur_roc->hw_start_time +
2542 msecs_to_jiffies(cur_roc->duration) -
2545 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2548 /* if it doesn't fit entirely, schedule a new one */
2549 if (new_roc->duration > jiffies_to_msecs(remaining))
2552 ieee80211_handle_roc_started(new_roc);
2554 /* add to dependents so we send the expired event properly */
2555 list_add_tail(&new_roc->list, &cur_roc->dependents);
2559 static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
2561 lockdep_assert_held(&local->mtx);
2563 local->roc_cookie_counter++;
2565 /* wow, you wrapped 64 bits ... more likely a bug */
2566 if (WARN_ON(local->roc_cookie_counter == 0))
2567 local->roc_cookie_counter++;
2569 return local->roc_cookie_counter;
2572 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2573 struct ieee80211_sub_if_data *sdata,
2574 struct ieee80211_channel *channel,
2575 unsigned int duration, u64 *cookie,
2576 struct sk_buff *txskb,
2577 enum ieee80211_roc_type type)
2579 struct ieee80211_roc_work *roc, *tmp;
2580 bool queued = false;
2583 lockdep_assert_held(&local->mtx);
2585 if (local->use_chanctx && !local->ops->remain_on_channel)
2588 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2593 * If the duration is zero, then the driver
2594 * wouldn't actually do anything. Set it to
2597 * TODO: cancel the off-channel operation
2598 * when we get the SKB's TX status and
2599 * the wait time was zero before.
2604 roc->chan = channel;
2605 roc->duration = duration;
2606 roc->req_duration = duration;
2610 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2611 INIT_LIST_HEAD(&roc->dependents);
2614 * cookie is either the roc cookie (for normal roc)
2615 * or the SKB (for mgmt TX)
2618 roc->cookie = ieee80211_mgmt_tx_cookie(local);
2619 *cookie = roc->cookie;
2621 roc->mgmt_tx_cookie = *cookie;
2624 /* if there's one pending or we're scanning, queue this one */
2625 if (!list_empty(&local->roc_list) ||
2626 local->scanning || ieee80211_is_radar_required(local))
2627 goto out_check_combine;
2629 /* if not HW assist, just queue & schedule work */
2630 if (!local->ops->remain_on_channel) {
2631 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2635 /* otherwise actually kick it off here (for error handling) */
2637 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2643 roc->started = true;
2647 list_for_each_entry(tmp, &local->roc_list, list) {
2648 if (tmp->chan != channel || tmp->sdata != sdata)
2652 * Extend this ROC if possible:
2654 * If it hasn't started yet, just increase the duration
2655 * and add the new one to the list of dependents.
2656 * If the type of the new ROC has higher priority, modify the
2657 * type of the previous one to match that of the new one.
2659 if (!tmp->started) {
2660 list_add_tail(&roc->list, &tmp->dependents);
2661 tmp->duration = max(tmp->duration, roc->duration);
2662 tmp->type = max(tmp->type, roc->type);
2667 /* If it has already started, it's more difficult ... */
2668 if (local->ops->remain_on_channel) {
2670 * In the offloaded ROC case, if it hasn't begun, add
2671 * this new one to the dependent list to be handled
2672 * when the master one begins. If it has begun,
2673 * check if it fits entirely within the existing one,
2674 * in which case it will just be dependent as well.
2675 * Otherwise, schedule it by itself.
2677 if (!tmp->hw_begun) {
2678 list_add_tail(&roc->list, &tmp->dependents);
2683 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2685 } else if (del_timer_sync(&tmp->work.timer)) {
2686 unsigned long new_end;
2689 * In the software ROC case, cancel the timer, if
2690 * that fails then the finish work is already
2691 * queued/pending and thus we queue the new ROC
2692 * normally, if that succeeds then we can extend
2693 * the timer duration and TX the frame (if any.)
2696 list_add_tail(&roc->list, &tmp->dependents);
2699 new_end = jiffies + msecs_to_jiffies(roc->duration);
2701 /* ok, it was started & we canceled timer */
2702 if (time_after(new_end, tmp->work.timer.expires))
2703 mod_timer(&tmp->work.timer, new_end);
2705 add_timer(&tmp->work.timer);
2707 ieee80211_handle_roc_started(roc);
2714 list_add_tail(&roc->list, &local->roc_list);
2719 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2720 struct wireless_dev *wdev,
2721 struct ieee80211_channel *chan,
2722 unsigned int duration,
2725 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2726 struct ieee80211_local *local = sdata->local;
2729 mutex_lock(&local->mtx);
2730 ret = ieee80211_start_roc_work(local, sdata, chan,
2731 duration, cookie, NULL,
2732 IEEE80211_ROC_TYPE_NORMAL);
2733 mutex_unlock(&local->mtx);
2738 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2739 u64 cookie, bool mgmt_tx)
2741 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2744 mutex_lock(&local->mtx);
2745 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2746 struct ieee80211_roc_work *dep, *tmp2;
2748 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2749 if (!mgmt_tx && dep->cookie != cookie)
2751 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2753 /* found dependent item -- just remove it */
2754 list_del(&dep->list);
2755 mutex_unlock(&local->mtx);
2757 ieee80211_roc_notify_destroy(dep, true);
2761 if (!mgmt_tx && roc->cookie != cookie)
2763 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2771 mutex_unlock(&local->mtx);
2776 * We found the item to cancel, so do that. Note that it
2777 * may have dependents, which we also cancel (and send
2778 * the expired signal for.) Not doing so would be quite
2779 * tricky here, but we may need to fix it later.
2782 if (local->ops->remain_on_channel) {
2783 if (found->started) {
2784 ret = drv_cancel_remain_on_channel(local);
2785 if (WARN_ON_ONCE(ret)) {
2786 mutex_unlock(&local->mtx);
2791 list_del(&found->list);
2794 ieee80211_start_next_roc(local);
2795 mutex_unlock(&local->mtx);
2797 ieee80211_roc_notify_destroy(found, true);
2799 /* work may be pending so use it all the time */
2800 found->abort = true;
2801 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2803 mutex_unlock(&local->mtx);
2805 /* work will clean up etc */
2806 flush_delayed_work(&found->work);
2807 WARN_ON(!found->to_be_freed);
2814 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2815 struct wireless_dev *wdev,
2818 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2819 struct ieee80211_local *local = sdata->local;
2821 return ieee80211_cancel_roc(local, cookie, false);
2824 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2825 struct net_device *dev,
2826 struct cfg80211_chan_def *chandef,
2829 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2830 struct ieee80211_local *local = sdata->local;
2833 mutex_lock(&local->mtx);
2834 if (!list_empty(&local->roc_list) || local->scanning) {
2839 /* whatever, but channel contexts should not complain about that one */
2840 sdata->smps_mode = IEEE80211_SMPS_OFF;
2841 sdata->needed_rx_chains = local->rx_chains;
2843 err = ieee80211_vif_use_channel(sdata, chandef,
2844 IEEE80211_CHANCTX_SHARED);
2848 ieee80211_queue_delayed_work(&sdata->local->hw,
2849 &sdata->dfs_cac_timer_work,
2850 msecs_to_jiffies(cac_time_ms));
2853 mutex_unlock(&local->mtx);
2857 static struct cfg80211_beacon_data *
2858 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2860 struct cfg80211_beacon_data *new_beacon;
2864 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2865 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2866 beacon->probe_resp_len;
2868 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2872 pos = (u8 *)(new_beacon + 1);
2873 if (beacon->head_len) {
2874 new_beacon->head_len = beacon->head_len;
2875 new_beacon->head = pos;
2876 memcpy(pos, beacon->head, beacon->head_len);
2877 pos += beacon->head_len;
2879 if (beacon->tail_len) {
2880 new_beacon->tail_len = beacon->tail_len;
2881 new_beacon->tail = pos;
2882 memcpy(pos, beacon->tail, beacon->tail_len);
2883 pos += beacon->tail_len;
2885 if (beacon->beacon_ies_len) {
2886 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2887 new_beacon->beacon_ies = pos;
2888 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2889 pos += beacon->beacon_ies_len;
2891 if (beacon->proberesp_ies_len) {
2892 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2893 new_beacon->proberesp_ies = pos;
2894 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2895 pos += beacon->proberesp_ies_len;
2897 if (beacon->assocresp_ies_len) {
2898 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2899 new_beacon->assocresp_ies = pos;
2900 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2901 pos += beacon->assocresp_ies_len;
2903 if (beacon->probe_resp_len) {
2904 new_beacon->probe_resp_len = beacon->probe_resp_len;
2905 beacon->probe_resp = pos;
2906 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2907 pos += beacon->probe_resp_len;
2913 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2915 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2917 ieee80211_queue_work(&sdata->local->hw,
2918 &sdata->csa_finalize_work);
2920 EXPORT_SYMBOL(ieee80211_csa_finish);
2922 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2927 switch (sdata->vif.type) {
2928 case NL80211_IFTYPE_AP:
2929 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2931 kfree(sdata->u.ap.next_beacon);
2932 sdata->u.ap.next_beacon = NULL;
2938 case NL80211_IFTYPE_ADHOC:
2939 err = ieee80211_ibss_finish_csa(sdata);
2944 #ifdef CONFIG_MAC80211_MESH
2945 case NL80211_IFTYPE_MESH_POINT:
2946 err = ieee80211_mesh_finish_csa(sdata);
2960 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2962 struct ieee80211_local *local = sdata->local;
2966 sdata_assert_lock(sdata);
2967 lockdep_assert_held(&local->mtx);
2968 lockdep_assert_held(&local->chanctx_mtx);
2971 * using reservation isn't immediate as it may be deferred until later
2972 * with multi-vif. once reservation is complete it will re-schedule the
2973 * work with no reserved_chanctx so verify chandef to check if it
2974 * completed successfully
2977 if (sdata->reserved_chanctx) {
2979 * with multi-vif csa driver may call ieee80211_csa_finish()
2980 * many times while waiting for other interfaces to use their
2983 if (sdata->reserved_ready)
2986 return ieee80211_vif_use_reserved_context(sdata);
2989 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2990 &sdata->csa_chandef))
2993 sdata->vif.csa_active = false;
2995 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2999 ieee80211_bss_info_change_notify(sdata, changed);
3001 if (sdata->csa_block_tx) {
3002 ieee80211_wake_vif_queues(local, sdata,
3003 IEEE80211_QUEUE_STOP_REASON_CSA);
3004 sdata->csa_block_tx = false;
3007 err = drv_post_channel_switch(sdata);
3011 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3016 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3018 if (__ieee80211_csa_finalize(sdata)) {
3019 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3020 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3025 void ieee80211_csa_finalize_work(struct work_struct *work)
3027 struct ieee80211_sub_if_data *sdata =
3028 container_of(work, struct ieee80211_sub_if_data,
3030 struct ieee80211_local *local = sdata->local;
3033 mutex_lock(&local->mtx);
3034 mutex_lock(&local->chanctx_mtx);
3036 /* AP might have been stopped while waiting for the lock. */
3037 if (!sdata->vif.csa_active)
3040 if (!ieee80211_sdata_running(sdata))
3043 ieee80211_csa_finalize(sdata);
3046 mutex_unlock(&local->chanctx_mtx);
3047 mutex_unlock(&local->mtx);
3048 sdata_unlock(sdata);
3051 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3052 struct cfg80211_csa_settings *params,
3055 struct ieee80211_csa_settings csa = {};
3058 switch (sdata->vif.type) {
3059 case NL80211_IFTYPE_AP:
3060 sdata->u.ap.next_beacon =
3061 cfg80211_beacon_dup(¶ms->beacon_after);
3062 if (!sdata->u.ap.next_beacon)
3066 * With a count of 0, we don't have to wait for any
3067 * TBTT before switching, so complete the CSA
3068 * immediately. In theory, with a count == 1 we
3069 * should delay the switch until just before the next
3070 * TBTT, but that would complicate things so we switch
3071 * immediately too. If we would delay the switch
3072 * until the next TBTT, we would have to set the probe
3075 * TODO: A channel switch with count <= 1 without
3076 * sending a CSA action frame is kind of useless,
3077 * because the clients won't know we're changing
3078 * channels. The action frame must be implemented
3079 * either here or in the userspace.
3081 if (params->count <= 1)
3084 if ((params->n_counter_offsets_beacon >
3085 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3086 (params->n_counter_offsets_presp >
3087 IEEE80211_MAX_CSA_COUNTERS_NUM))
3090 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3091 csa.counter_offsets_presp = params->counter_offsets_presp;
3092 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3093 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3094 csa.count = params->count;
3096 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3098 kfree(sdata->u.ap.next_beacon);
3104 case NL80211_IFTYPE_ADHOC:
3105 if (!sdata->vif.bss_conf.ibss_joined)
3108 if (params->chandef.width != sdata->u.ibss.chandef.width)
3111 switch (params->chandef.width) {
3112 case NL80211_CHAN_WIDTH_40:
3113 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3114 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3116 case NL80211_CHAN_WIDTH_5:
3117 case NL80211_CHAN_WIDTH_10:
3118 case NL80211_CHAN_WIDTH_20_NOHT:
3119 case NL80211_CHAN_WIDTH_20:
3125 /* changes into another band are not supported */
3126 if (sdata->u.ibss.chandef.chan->band !=
3127 params->chandef.chan->band)
3130 /* see comments in the NL80211_IFTYPE_AP block */
3131 if (params->count > 1) {
3132 err = ieee80211_ibss_csa_beacon(sdata, params);
3138 ieee80211_send_action_csa(sdata, params);
3141 #ifdef CONFIG_MAC80211_MESH
3142 case NL80211_IFTYPE_MESH_POINT: {
3143 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3145 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3148 /* changes into another band are not supported */
3149 if (sdata->vif.bss_conf.chandef.chan->band !=
3150 params->chandef.chan->band)
3153 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3154 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3155 if (!ifmsh->pre_value)
3156 ifmsh->pre_value = 1;
3161 /* see comments in the NL80211_IFTYPE_AP block */
3162 if (params->count > 1) {
3163 err = ieee80211_mesh_csa_beacon(sdata, params);
3165 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3171 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3172 ieee80211_send_action_csa(sdata, params);
3185 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3186 struct cfg80211_csa_settings *params)
3188 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3189 struct ieee80211_local *local = sdata->local;
3190 struct ieee80211_channel_switch ch_switch;
3191 struct ieee80211_chanctx_conf *conf;
3192 struct ieee80211_chanctx *chanctx;
3196 sdata_assert_lock(sdata);
3197 lockdep_assert_held(&local->mtx);
3199 if (!list_empty(&local->roc_list) || local->scanning)
3202 if (sdata->wdev.cac_started)
3205 if (cfg80211_chandef_identical(¶ms->chandef,
3206 &sdata->vif.bss_conf.chandef))
3209 /* don't allow another channel switch if one is already active. */
3210 if (sdata->vif.csa_active)
3213 mutex_lock(&local->chanctx_mtx);
3214 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3215 lockdep_is_held(&local->chanctx_mtx));
3221 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3227 ch_switch.timestamp = 0;
3228 ch_switch.device_timestamp = 0;
3229 ch_switch.block_tx = params->block_tx;
3230 ch_switch.chandef = params->chandef;
3231 ch_switch.count = params->count;
3233 err = drv_pre_channel_switch(sdata, &ch_switch);
3237 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3239 params->radar_required);
3243 /* if reservation is invalid then this will fail */
3244 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3246 ieee80211_vif_unreserve_chanctx(sdata);
3250 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3252 ieee80211_vif_unreserve_chanctx(sdata);
3256 sdata->csa_chandef = params->chandef;
3257 sdata->csa_block_tx = params->block_tx;
3258 sdata->vif.csa_active = true;
3260 if (sdata->csa_block_tx)
3261 ieee80211_stop_vif_queues(local, sdata,
3262 IEEE80211_QUEUE_STOP_REASON_CSA);
3264 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3268 ieee80211_bss_info_change_notify(sdata, changed);
3269 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3271 /* if the beacon didn't change, we can finalize immediately */
3272 ieee80211_csa_finalize(sdata);
3276 mutex_unlock(&local->chanctx_mtx);
3280 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3281 struct cfg80211_csa_settings *params)
3283 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3284 struct ieee80211_local *local = sdata->local;
3287 mutex_lock(&local->mtx);
3288 err = __ieee80211_channel_switch(wiphy, dev, params);
3289 mutex_unlock(&local->mtx);
3294 static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local,
3295 struct sk_buff *skb, u64 *cookie,
3298 unsigned long spin_flags;
3299 struct sk_buff *ack_skb;
3302 ack_skb = skb_copy(skb, gfp);
3304 return ERR_PTR(-ENOMEM);
3306 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3307 id = idr_alloc(&local->ack_status_frames, ack_skb,
3308 1, 0x10000, GFP_ATOMIC);
3309 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3313 return ERR_PTR(-ENOMEM);
3316 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3318 *cookie = ieee80211_mgmt_tx_cookie(local);
3319 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3324 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3325 struct cfg80211_mgmt_tx_params *params,
3328 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3329 struct ieee80211_local *local = sdata->local;
3330 struct sk_buff *skb, *ack_skb;
3331 struct sta_info *sta;
3332 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3333 bool need_offchan = false;
3338 if (params->dont_wait_for_ack)
3339 flags = IEEE80211_TX_CTL_NO_ACK;
3341 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3342 IEEE80211_TX_CTL_REQ_TX_STATUS;
3345 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3347 switch (sdata->vif.type) {
3348 case NL80211_IFTYPE_ADHOC:
3349 if (!sdata->vif.bss_conf.ibss_joined)
3350 need_offchan = true;
3352 #ifdef CONFIG_MAC80211_MESH
3353 case NL80211_IFTYPE_MESH_POINT:
3354 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3355 !sdata->u.mesh.mesh_id_len)
3356 need_offchan = true;
3359 case NL80211_IFTYPE_AP:
3360 case NL80211_IFTYPE_AP_VLAN:
3361 case NL80211_IFTYPE_P2P_GO:
3362 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3363 !ieee80211_vif_is_mesh(&sdata->vif) &&
3364 !rcu_access_pointer(sdata->bss->beacon))
3365 need_offchan = true;
3366 if (!ieee80211_is_action(mgmt->frame_control) ||
3367 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3368 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3369 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3372 sta = sta_info_get(sdata, mgmt->da);
3377 case NL80211_IFTYPE_STATION:
3378 case NL80211_IFTYPE_P2P_CLIENT:
3380 if (!sdata->u.mgd.associated ||
3381 (params->offchan && params->wait &&
3382 local->ops->remain_on_channel &&
3383 memcmp(sdata->u.mgd.associated->bssid,
3384 mgmt->bssid, ETH_ALEN)))
3385 need_offchan = true;
3386 sdata_unlock(sdata);
3388 case NL80211_IFTYPE_P2P_DEVICE:
3389 need_offchan = true;
3395 /* configurations requiring offchan cannot work if no channel has been
3398 if (need_offchan && !params->chan)
3401 mutex_lock(&local->mtx);
3403 /* Check if the operating channel is the requested channel */
3404 if (!need_offchan) {
3405 struct ieee80211_chanctx_conf *chanctx_conf;
3408 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3411 need_offchan = params->chan &&
3413 chanctx_conf->def.chan);
3414 } else if (!params->chan) {
3419 need_offchan = true;
3424 if (need_offchan && !params->offchan) {
3429 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3434 skb_reserve(skb, local->hw.extra_tx_headroom);
3436 data = skb_put(skb, params->len);
3437 memcpy(data, params->buf, params->len);
3439 /* Update CSA counters */
3440 if (sdata->vif.csa_active &&
3441 (sdata->vif.type == NL80211_IFTYPE_AP ||
3442 sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
3443 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3444 params->n_csa_offsets) {
3446 struct beacon_data *beacon = NULL;
3450 if (sdata->vif.type == NL80211_IFTYPE_AP)
3451 beacon = rcu_dereference(sdata->u.ap.beacon);
3452 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3453 beacon = rcu_dereference(sdata->u.ibss.presp);
3454 else if (ieee80211_vif_is_mesh(&sdata->vif))
3455 beacon = rcu_dereference(sdata->u.mesh.beacon);
3458 for (i = 0; i < params->n_csa_offsets; i++)
3459 data[params->csa_offsets[i]] =
3460 beacon->csa_current_counter;
3465 IEEE80211_SKB_CB(skb)->flags = flags;
3467 skb->dev = sdata->dev;
3469 if (!params->dont_wait_for_ack) {
3470 /* make a copy to preserve the frame contents
3471 * in case of encryption.
3473 ack_skb = ieee80211_make_ack_skb(local, skb, cookie,
3475 if (IS_ERR(ack_skb)) {
3476 ret = PTR_ERR(ack_skb);
3481 /* for cookie below */
3485 if (!need_offchan) {
3486 ieee80211_tx_skb(sdata, skb);
3491 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3492 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3493 if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
3494 IEEE80211_SKB_CB(skb)->hw_queue =
3495 local->hw.offchannel_tx_hw_queue;
3497 /* This will handle all kinds of coalescing and immediate TX */
3498 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3499 params->wait, cookie, skb,
3500 IEEE80211_ROC_TYPE_MGMT_TX);
3504 mutex_unlock(&local->mtx);
3508 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3509 struct wireless_dev *wdev,
3512 struct ieee80211_local *local = wiphy_priv(wiphy);
3514 return ieee80211_cancel_roc(local, cookie, true);
3517 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3518 struct wireless_dev *wdev,
3519 u16 frame_type, bool reg)
3521 struct ieee80211_local *local = wiphy_priv(wiphy);
3523 switch (frame_type) {
3524 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3526 local->probe_req_reg++;
3528 local->probe_req_reg--;
3530 if (!local->open_count)
3533 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3540 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3542 struct ieee80211_local *local = wiphy_priv(wiphy);
3547 return drv_set_antenna(local, tx_ant, rx_ant);
3550 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3552 struct ieee80211_local *local = wiphy_priv(wiphy);
3554 return drv_get_antenna(local, tx_ant, rx_ant);
3557 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3558 struct net_device *dev,
3559 struct cfg80211_gtk_rekey_data *data)
3561 struct ieee80211_local *local = wiphy_priv(wiphy);
3562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3564 if (!local->ops->set_rekey_data)
3567 drv_set_rekey_data(local, sdata, data);
3572 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3573 const u8 *peer, u64 *cookie)
3575 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3576 struct ieee80211_local *local = sdata->local;
3577 struct ieee80211_qos_hdr *nullfunc;
3578 struct sk_buff *skb, *ack_skb;
3579 int size = sizeof(*nullfunc);
3582 struct ieee80211_tx_info *info;
3583 struct sta_info *sta;
3584 struct ieee80211_chanctx_conf *chanctx_conf;
3585 enum ieee80211_band band;
3588 /* the lock is needed to assign the cookie later */
3589 mutex_lock(&local->mtx);
3592 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3593 if (WARN_ON(!chanctx_conf)) {
3597 band = chanctx_conf->def.chan->band;
3598 sta = sta_info_get_bss(sdata, peer);
3607 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3608 IEEE80211_STYPE_QOS_NULLFUNC |
3609 IEEE80211_FCTL_FROMDS);
3612 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3613 IEEE80211_STYPE_NULLFUNC |
3614 IEEE80211_FCTL_FROMDS);
3617 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3625 skb_reserve(skb, local->hw.extra_tx_headroom);
3627 nullfunc = (void *) skb_put(skb, size);
3628 nullfunc->frame_control = fc;
3629 nullfunc->duration_id = 0;
3630 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3631 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3632 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3633 nullfunc->seq_ctrl = 0;
3635 info = IEEE80211_SKB_CB(skb);
3637 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3638 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3641 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3644 nullfunc->qos_ctrl = cpu_to_le16(7);
3646 ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC);
3647 if (IS_ERR(ack_skb)) {
3649 ret = PTR_ERR(ack_skb);
3654 ieee80211_xmit(sdata, sta, skb);
3660 mutex_unlock(&local->mtx);
3665 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3666 struct wireless_dev *wdev,
3667 struct cfg80211_chan_def *chandef)
3669 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3670 struct ieee80211_local *local = wiphy_priv(wiphy);
3671 struct ieee80211_chanctx_conf *chanctx_conf;
3675 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3677 *chandef = sdata->vif.bss_conf.chandef;
3679 } else if (local->open_count > 0 &&
3680 local->open_count == local->monitors &&
3681 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3682 if (local->use_chanctx)
3683 *chandef = local->monitor_chandef;
3685 *chandef = local->_oper_chandef;
3694 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3696 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3700 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3701 struct net_device *dev,
3702 struct cfg80211_qos_map *qos_map)
3704 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3705 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3708 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3711 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3713 /* A NULL qos_map was passed to disable QoS mapping */
3717 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3718 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3720 kfree_rcu(old_qos_map, rcu_head);
3725 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3726 struct net_device *dev,
3727 struct cfg80211_chan_def *chandef)
3729 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3733 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3735 ieee80211_bss_info_change_notify(sdata, changed);
3740 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3741 u8 tsid, const u8 *peer, u8 up,
3744 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3745 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3746 int ac = ieee802_1d_to_ac[up];
3748 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3751 if (!(sdata->wmm_acm & BIT(up)))
3754 if (ifmgd->tx_tspec[ac].admitted_time)
3757 if (admitted_time) {
3758 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3759 ifmgd->tx_tspec[ac].tsid = tsid;
3760 ifmgd->tx_tspec[ac].up = up;
3766 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3767 u8 tsid, const u8 *peer)
3769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3770 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3771 struct ieee80211_local *local = wiphy_priv(wiphy);
3774 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3775 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3777 /* skip unused entries */
3778 if (!tx_tspec->admitted_time)
3781 if (tx_tspec->tsid != tsid)
3784 /* due to this new packets will be reassigned to non-ACM ACs */
3787 /* Make sure that all packets have been sent to avoid to
3788 * restore the QoS params on packets that are still on the
3792 ieee80211_flush_queues(local, sdata, false);
3794 /* restore the normal QoS parameters
3795 * (unconditionally to avoid races)
3797 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3798 tx_tspec->downgraded = false;
3799 ieee80211_sta_handle_tspec_ac_params(sdata);
3801 /* finally clear all the data */
3802 memset(tx_tspec, 0, sizeof(*tx_tspec));
3810 const struct cfg80211_ops mac80211_config_ops = {
3811 .add_virtual_intf = ieee80211_add_iface,
3812 .del_virtual_intf = ieee80211_del_iface,
3813 .change_virtual_intf = ieee80211_change_iface,
3814 .start_p2p_device = ieee80211_start_p2p_device,
3815 .stop_p2p_device = ieee80211_stop_p2p_device,
3816 .add_key = ieee80211_add_key,
3817 .del_key = ieee80211_del_key,
3818 .get_key = ieee80211_get_key,
3819 .set_default_key = ieee80211_config_default_key,
3820 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3821 .start_ap = ieee80211_start_ap,
3822 .change_beacon = ieee80211_change_beacon,
3823 .stop_ap = ieee80211_stop_ap,
3824 .add_station = ieee80211_add_station,
3825 .del_station = ieee80211_del_station,
3826 .change_station = ieee80211_change_station,
3827 .get_station = ieee80211_get_station,
3828 .dump_station = ieee80211_dump_station,
3829 .dump_survey = ieee80211_dump_survey,
3830 #ifdef CONFIG_MAC80211_MESH
3831 .add_mpath = ieee80211_add_mpath,
3832 .del_mpath = ieee80211_del_mpath,
3833 .change_mpath = ieee80211_change_mpath,
3834 .get_mpath = ieee80211_get_mpath,
3835 .dump_mpath = ieee80211_dump_mpath,
3836 .get_mpp = ieee80211_get_mpp,
3837 .dump_mpp = ieee80211_dump_mpp,
3838 .update_mesh_config = ieee80211_update_mesh_config,
3839 .get_mesh_config = ieee80211_get_mesh_config,
3840 .join_mesh = ieee80211_join_mesh,
3841 .leave_mesh = ieee80211_leave_mesh,
3843 .join_ocb = ieee80211_join_ocb,
3844 .leave_ocb = ieee80211_leave_ocb,
3845 .change_bss = ieee80211_change_bss,
3846 .set_txq_params = ieee80211_set_txq_params,
3847 .set_monitor_channel = ieee80211_set_monitor_channel,
3848 .suspend = ieee80211_suspend,
3849 .resume = ieee80211_resume,
3850 .scan = ieee80211_scan,
3851 .sched_scan_start = ieee80211_sched_scan_start,
3852 .sched_scan_stop = ieee80211_sched_scan_stop,
3853 .auth = ieee80211_auth,
3854 .assoc = ieee80211_assoc,
3855 .deauth = ieee80211_deauth,
3856 .disassoc = ieee80211_disassoc,
3857 .join_ibss = ieee80211_join_ibss,
3858 .leave_ibss = ieee80211_leave_ibss,
3859 .set_mcast_rate = ieee80211_set_mcast_rate,
3860 .set_wiphy_params = ieee80211_set_wiphy_params,
3861 .set_tx_power = ieee80211_set_tx_power,
3862 .get_tx_power = ieee80211_get_tx_power,
3863 .set_wds_peer = ieee80211_set_wds_peer,
3864 .rfkill_poll = ieee80211_rfkill_poll,
3865 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3866 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3867 .set_power_mgmt = ieee80211_set_power_mgmt,
3868 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3869 .remain_on_channel = ieee80211_remain_on_channel,
3870 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3871 .mgmt_tx = ieee80211_mgmt_tx,
3872 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3873 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3874 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3875 .set_antenna = ieee80211_set_antenna,
3876 .get_antenna = ieee80211_get_antenna,
3877 .set_rekey_data = ieee80211_set_rekey_data,
3878 .tdls_oper = ieee80211_tdls_oper,
3879 .tdls_mgmt = ieee80211_tdls_mgmt,
3880 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3881 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3882 .probe_client = ieee80211_probe_client,
3883 .set_noack_map = ieee80211_set_noack_map,
3885 .set_wakeup = ieee80211_set_wakeup,
3887 .get_channel = ieee80211_cfg_get_channel,
3888 .start_radar_detection = ieee80211_start_radar_detection,
3889 .channel_switch = ieee80211_channel_switch,
3890 .set_qos_map = ieee80211_set_qos_map,
3891 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3892 .add_tx_ts = ieee80211_add_tx_ts,
3893 .del_tx_ts = ieee80211_del_tx_ts,