2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <net/mac80211.h>
21 #include <linux/etherdevice.h>
39 static struct ieee80211_rate ath10k_rates[] = {
41 .hw_value = ATH10K_HW_RATE_CCK_LP_1M },
43 .hw_value = ATH10K_HW_RATE_CCK_LP_2M,
44 .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M,
45 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
47 .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M,
48 .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M,
49 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
51 .hw_value = ATH10K_HW_RATE_CCK_LP_11M,
52 .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M,
53 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
55 { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
56 { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
57 { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
58 { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
59 { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
60 { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
61 { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
62 { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
65 #define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
67 #define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
68 #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \
69 ATH10K_MAC_FIRST_OFDM_RATE_IDX)
70 #define ath10k_g_rates (ath10k_rates + 0)
71 #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
73 static bool ath10k_mac_bitrate_is_cck(int bitrate)
86 static u8 ath10k_mac_bitrate_to_rate(int bitrate)
88 return DIV_ROUND_UP(bitrate, 5) |
89 (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
92 u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
95 const struct ieee80211_rate *rate;
98 for (i = 0; i < sband->n_bitrates; i++) {
99 rate = &sband->bitrates[i];
101 if (rate->hw_value == hw_rate)
103 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
104 rate->hw_value_short == hw_rate)
111 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
116 for (i = 0; i < sband->n_bitrates; i++)
117 if (sband->bitrates[i].bitrate == bitrate)
123 static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
125 switch ((mcs_map >> (2 * nss)) & 0x3) {
126 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
127 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
128 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
134 ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
138 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
139 if (ht_mcs_mask[nss])
146 ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
150 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
151 if (vht_mcs_mask[nss])
161 static int ath10k_send_key(struct ath10k_vif *arvif,
162 struct ieee80211_key_conf *key,
163 enum set_key_cmd cmd,
164 const u8 *macaddr, u32 flags)
166 struct ath10k *ar = arvif->ar;
167 struct wmi_vdev_install_key_arg arg = {
168 .vdev_id = arvif->vdev_id,
169 .key_idx = key->keyidx,
170 .key_len = key->keylen,
171 .key_data = key->key,
176 lockdep_assert_held(&arvif->ar->conf_mutex);
178 switch (key->cipher) {
179 case WLAN_CIPHER_SUITE_CCMP:
180 arg.key_cipher = WMI_CIPHER_AES_CCM;
181 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
183 case WLAN_CIPHER_SUITE_TKIP:
184 arg.key_cipher = WMI_CIPHER_TKIP;
185 arg.key_txmic_len = 8;
186 arg.key_rxmic_len = 8;
188 case WLAN_CIPHER_SUITE_WEP40:
189 case WLAN_CIPHER_SUITE_WEP104:
190 arg.key_cipher = WMI_CIPHER_WEP;
192 case WLAN_CIPHER_SUITE_AES_CMAC:
196 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
200 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
201 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
203 if (cmd == DISABLE_KEY) {
204 arg.key_cipher = WMI_CIPHER_NONE;
208 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
211 static int ath10k_install_key(struct ath10k_vif *arvif,
212 struct ieee80211_key_conf *key,
213 enum set_key_cmd cmd,
214 const u8 *macaddr, u32 flags)
216 struct ath10k *ar = arvif->ar;
218 unsigned long time_left;
220 lockdep_assert_held(&ar->conf_mutex);
222 reinit_completion(&ar->install_key_done);
224 if (arvif->nohwcrypt)
227 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
231 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
238 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
241 struct ath10k *ar = arvif->ar;
242 struct ath10k_peer *peer;
247 lockdep_assert_held(&ar->conf_mutex);
249 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
250 arvif->vif->type != NL80211_IFTYPE_ADHOC))
253 spin_lock_bh(&ar->data_lock);
254 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
255 spin_unlock_bh(&ar->data_lock);
260 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
261 if (arvif->wep_keys[i] == NULL)
264 switch (arvif->vif->type) {
265 case NL80211_IFTYPE_AP:
266 flags = WMI_KEY_PAIRWISE;
268 if (arvif->def_wep_key_idx == i)
269 flags |= WMI_KEY_TX_USAGE;
271 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
272 SET_KEY, addr, flags);
276 case NL80211_IFTYPE_ADHOC:
277 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
283 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
284 SET_KEY, addr, WMI_KEY_GROUP);
293 spin_lock_bh(&ar->data_lock);
294 peer->keys[i] = arvif->wep_keys[i];
295 spin_unlock_bh(&ar->data_lock);
298 /* In some cases (notably with static WEP IBSS with multiple keys)
299 * multicast Tx becomes broken. Both pairwise and groupwise keys are
300 * installed already. Using WMI_KEY_TX_USAGE in different combinations
301 * didn't seem help. Using def_keyid vdev parameter seems to be
302 * effective so use that.
304 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
306 if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
309 if (arvif->def_wep_key_idx == -1)
312 ret = ath10k_wmi_vdev_set_param(arvif->ar,
314 arvif->ar->wmi.vdev_param->def_keyid,
315 arvif->def_wep_key_idx);
317 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
318 arvif->vdev_id, ret);
325 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
328 struct ath10k *ar = arvif->ar;
329 struct ath10k_peer *peer;
335 lockdep_assert_held(&ar->conf_mutex);
337 spin_lock_bh(&ar->data_lock);
338 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
339 spin_unlock_bh(&ar->data_lock);
344 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
345 if (peer->keys[i] == NULL)
348 /* key flags are not required to delete the key */
349 ret = ath10k_install_key(arvif, peer->keys[i],
350 DISABLE_KEY, addr, flags);
351 if (ret < 0 && first_errno == 0)
355 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
358 spin_lock_bh(&ar->data_lock);
359 peer->keys[i] = NULL;
360 spin_unlock_bh(&ar->data_lock);
366 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
369 struct ath10k_peer *peer;
372 lockdep_assert_held(&ar->data_lock);
374 /* We don't know which vdev this peer belongs to,
375 * since WMI doesn't give us that information.
377 * FIXME: multi-bss needs to be handled.
379 peer = ath10k_peer_find(ar, 0, addr);
383 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
384 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
391 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
392 struct ieee80211_key_conf *key)
394 struct ath10k *ar = arvif->ar;
395 struct ath10k_peer *peer;
402 lockdep_assert_held(&ar->conf_mutex);
405 /* since ath10k_install_key we can't hold data_lock all the
406 * time, so we try to remove the keys incrementally */
407 spin_lock_bh(&ar->data_lock);
409 list_for_each_entry(peer, &ar->peers, list) {
410 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
411 if (peer->keys[i] == key) {
412 ether_addr_copy(addr, peer->addr);
413 peer->keys[i] = NULL;
418 if (i < ARRAY_SIZE(peer->keys))
421 spin_unlock_bh(&ar->data_lock);
423 if (i == ARRAY_SIZE(peer->keys))
425 /* key flags are not required to delete the key */
426 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
427 if (ret < 0 && first_errno == 0)
431 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
438 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
439 struct ieee80211_key_conf *key)
441 struct ath10k *ar = arvif->ar;
442 struct ath10k_peer *peer;
445 lockdep_assert_held(&ar->conf_mutex);
447 list_for_each_entry(peer, &ar->peers, list) {
448 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
451 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
454 if (peer->keys[key->keyidx] == key)
457 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
458 arvif->vdev_id, key->keyidx);
460 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
462 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
463 arvif->vdev_id, peer->addr, ret);
471 /*********************/
472 /* General utilities */
473 /*********************/
475 static inline enum wmi_phy_mode
476 chan_to_phymode(const struct cfg80211_chan_def *chandef)
478 enum wmi_phy_mode phymode = MODE_UNKNOWN;
480 switch (chandef->chan->band) {
481 case IEEE80211_BAND_2GHZ:
482 switch (chandef->width) {
483 case NL80211_CHAN_WIDTH_20_NOHT:
484 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
489 case NL80211_CHAN_WIDTH_20:
490 phymode = MODE_11NG_HT20;
492 case NL80211_CHAN_WIDTH_40:
493 phymode = MODE_11NG_HT40;
495 case NL80211_CHAN_WIDTH_5:
496 case NL80211_CHAN_WIDTH_10:
497 case NL80211_CHAN_WIDTH_80:
498 case NL80211_CHAN_WIDTH_80P80:
499 case NL80211_CHAN_WIDTH_160:
500 phymode = MODE_UNKNOWN;
504 case IEEE80211_BAND_5GHZ:
505 switch (chandef->width) {
506 case NL80211_CHAN_WIDTH_20_NOHT:
509 case NL80211_CHAN_WIDTH_20:
510 phymode = MODE_11NA_HT20;
512 case NL80211_CHAN_WIDTH_40:
513 phymode = MODE_11NA_HT40;
515 case NL80211_CHAN_WIDTH_80:
516 phymode = MODE_11AC_VHT80;
518 case NL80211_CHAN_WIDTH_5:
519 case NL80211_CHAN_WIDTH_10:
520 case NL80211_CHAN_WIDTH_80P80:
521 case NL80211_CHAN_WIDTH_160:
522 phymode = MODE_UNKNOWN;
530 WARN_ON(phymode == MODE_UNKNOWN);
534 static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
537 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
538 * 0 for no restriction
547 switch (mpdudensity) {
553 /* Our lower layer calculations limit our precision to
569 int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
570 struct cfg80211_chan_def *def)
572 struct ieee80211_chanctx_conf *conf;
575 conf = rcu_dereference(vif->chanctx_conf);
587 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
588 struct ieee80211_chanctx_conf *conf,
596 static int ath10k_mac_num_chanctxs(struct ath10k *ar)
600 ieee80211_iter_chan_contexts_atomic(ar->hw,
601 ath10k_mac_num_chanctxs_iter,
608 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
609 struct ieee80211_chanctx_conf *conf,
612 struct cfg80211_chan_def **def = data;
617 static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr,
618 enum wmi_peer_type peer_type)
620 struct ath10k_vif *arvif;
624 lockdep_assert_held(&ar->conf_mutex);
626 num_peers = ar->num_peers;
628 /* Each vdev consumes a peer entry as well */
629 list_for_each_entry(arvif, &ar->arvifs, list)
632 if (num_peers >= ar->max_num_peers)
635 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
637 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
642 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
644 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
654 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
656 struct ath10k *ar = arvif->ar;
660 param = ar->wmi.pdev_param->sta_kickout_th;
661 ret = ath10k_wmi_pdev_set_param(ar, param,
662 ATH10K_KICKOUT_THRESHOLD);
664 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
665 arvif->vdev_id, ret);
669 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
670 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
671 ATH10K_KEEPALIVE_MIN_IDLE);
673 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
674 arvif->vdev_id, ret);
678 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
679 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
680 ATH10K_KEEPALIVE_MAX_IDLE);
682 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
683 arvif->vdev_id, ret);
687 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
688 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
689 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
691 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
692 arvif->vdev_id, ret);
699 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
701 struct ath10k *ar = arvif->ar;
704 vdev_param = ar->wmi.vdev_param->rts_threshold;
705 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
708 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
712 lockdep_assert_held(&ar->conf_mutex);
714 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
718 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
727 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
729 struct ath10k_peer *peer, *tmp;
731 lockdep_assert_held(&ar->conf_mutex);
733 spin_lock_bh(&ar->data_lock);
734 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
735 if (peer->vdev_id != vdev_id)
738 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
739 peer->addr, vdev_id);
741 list_del(&peer->list);
745 spin_unlock_bh(&ar->data_lock);
748 static void ath10k_peer_cleanup_all(struct ath10k *ar)
750 struct ath10k_peer *peer, *tmp;
752 lockdep_assert_held(&ar->conf_mutex);
754 spin_lock_bh(&ar->data_lock);
755 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
756 list_del(&peer->list);
759 spin_unlock_bh(&ar->data_lock);
762 ar->num_stations = 0;
765 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
766 struct ieee80211_sta *sta,
767 enum wmi_tdls_peer_state state)
770 struct wmi_tdls_peer_update_cmd_arg arg = {};
771 struct wmi_tdls_peer_capab_arg cap = {};
772 struct wmi_channel_arg chan_arg = {};
774 lockdep_assert_held(&ar->conf_mutex);
776 arg.vdev_id = vdev_id;
777 arg.peer_state = state;
778 ether_addr_copy(arg.addr, sta->addr);
780 cap.peer_max_sp = sta->max_sp;
781 cap.peer_uapsd_queues = sta->uapsd_queues;
783 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
784 !sta->tdls_initiator)
785 cap.is_peer_responder = 1;
787 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
789 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
790 arg.addr, vdev_id, ret);
797 /************************/
798 /* Interface management */
799 /************************/
801 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
803 struct ath10k *ar = arvif->ar;
805 lockdep_assert_held(&ar->data_lock);
810 if (!arvif->beacon_buf)
811 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
812 arvif->beacon->len, DMA_TO_DEVICE);
814 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
815 arvif->beacon_state != ATH10K_BEACON_SENT))
818 dev_kfree_skb_any(arvif->beacon);
820 arvif->beacon = NULL;
821 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
824 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
826 struct ath10k *ar = arvif->ar;
828 lockdep_assert_held(&ar->data_lock);
830 ath10k_mac_vif_beacon_free(arvif);
832 if (arvif->beacon_buf) {
833 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
834 arvif->beacon_buf, arvif->beacon_paddr);
835 arvif->beacon_buf = NULL;
839 static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
841 unsigned long time_left;
843 lockdep_assert_held(&ar->conf_mutex);
845 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
848 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
849 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
856 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
858 struct cfg80211_chan_def *chandef = NULL;
859 struct ieee80211_channel *channel = NULL;
860 struct wmi_vdev_start_request_arg arg = {};
863 lockdep_assert_held(&ar->conf_mutex);
865 ieee80211_iter_chan_contexts_atomic(ar->hw,
866 ath10k_mac_get_any_chandef_iter,
868 if (WARN_ON_ONCE(!chandef))
871 channel = chandef->chan;
873 arg.vdev_id = vdev_id;
874 arg.channel.freq = channel->center_freq;
875 arg.channel.band_center_freq1 = chandef->center_freq1;
877 /* TODO setup this dynamically, what in case we
878 don't have any vifs? */
879 arg.channel.mode = chan_to_phymode(chandef);
880 arg.channel.chan_radar =
881 !!(channel->flags & IEEE80211_CHAN_RADAR);
883 arg.channel.min_power = 0;
884 arg.channel.max_power = channel->max_power * 2;
885 arg.channel.max_reg_power = channel->max_reg_power * 2;
886 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
888 reinit_completion(&ar->vdev_setup_done);
890 ret = ath10k_wmi_vdev_start(ar, &arg);
892 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
897 ret = ath10k_vdev_setup_sync(ar);
899 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
904 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
906 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
911 ar->monitor_vdev_id = vdev_id;
913 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
914 ar->monitor_vdev_id);
918 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
920 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
921 ar->monitor_vdev_id, ret);
926 static int ath10k_monitor_vdev_stop(struct ath10k *ar)
930 lockdep_assert_held(&ar->conf_mutex);
932 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
934 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
935 ar->monitor_vdev_id, ret);
937 reinit_completion(&ar->vdev_setup_done);
939 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
941 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
942 ar->monitor_vdev_id, ret);
944 ret = ath10k_vdev_setup_sync(ar);
946 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
947 ar->monitor_vdev_id, ret);
949 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
950 ar->monitor_vdev_id);
954 static int ath10k_monitor_vdev_create(struct ath10k *ar)
958 lockdep_assert_held(&ar->conf_mutex);
960 if (ar->free_vdev_map == 0) {
961 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
965 bit = __ffs64(ar->free_vdev_map);
967 ar->monitor_vdev_id = bit;
969 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
970 WMI_VDEV_TYPE_MONITOR,
973 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
974 ar->monitor_vdev_id, ret);
978 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
979 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
980 ar->monitor_vdev_id);
985 static int ath10k_monitor_vdev_delete(struct ath10k *ar)
989 lockdep_assert_held(&ar->conf_mutex);
991 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
993 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
994 ar->monitor_vdev_id, ret);
998 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
1000 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
1001 ar->monitor_vdev_id);
1005 static int ath10k_monitor_start(struct ath10k *ar)
1009 lockdep_assert_held(&ar->conf_mutex);
1011 ret = ath10k_monitor_vdev_create(ar);
1013 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1017 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
1019 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1020 ath10k_monitor_vdev_delete(ar);
1024 ar->monitor_started = true;
1025 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1030 static int ath10k_monitor_stop(struct ath10k *ar)
1034 lockdep_assert_held(&ar->conf_mutex);
1036 ret = ath10k_monitor_vdev_stop(ar);
1038 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1042 ret = ath10k_monitor_vdev_delete(ar);
1044 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1048 ar->monitor_started = false;
1049 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1054 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1058 /* At least one chanctx is required to derive a channel to start
1061 num_ctx = ath10k_mac_num_chanctxs(ar);
1065 /* If there's already an existing special monitor interface then don't
1066 * bother creating another monitor vdev.
1068 if (ar->monitor_arvif)
1071 return ar->monitor ||
1072 ar->filter_flags & FIF_OTHER_BSS ||
1073 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1076 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1080 num_ctx = ath10k_mac_num_chanctxs(ar);
1082 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1083 * shouldn't allow this but make sure to prevent handling the following
1084 * case anyway since multi-channel DFS hasn't been tested at all.
1086 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1092 static int ath10k_monitor_recalc(struct ath10k *ar)
1098 lockdep_assert_held(&ar->conf_mutex);
1100 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1101 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1103 ath10k_dbg(ar, ATH10K_DBG_MAC,
1104 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1105 ar->monitor_started, needed, allowed);
1107 if (WARN_ON(needed && !allowed)) {
1108 if (ar->monitor_started) {
1109 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1111 ret = ath10k_monitor_stop(ar);
1113 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
1121 if (needed == ar->monitor_started)
1125 return ath10k_monitor_start(ar);
1127 return ath10k_monitor_stop(ar);
1130 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
1132 struct ath10k *ar = arvif->ar;
1133 u32 vdev_param, rts_cts = 0;
1135 lockdep_assert_held(&ar->conf_mutex);
1137 vdev_param = ar->wmi.vdev_param->enable_rtscts;
1139 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
1141 if (arvif->num_legacy_stations > 0)
1142 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
1143 WMI_RTSCTS_PROFILE);
1145 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
1146 WMI_RTSCTS_PROFILE);
1148 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
1152 static int ath10k_start_cac(struct ath10k *ar)
1156 lockdep_assert_held(&ar->conf_mutex);
1158 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1160 ret = ath10k_monitor_recalc(ar);
1162 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
1163 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1167 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
1168 ar->monitor_vdev_id);
1173 static int ath10k_stop_cac(struct ath10k *ar)
1175 lockdep_assert_held(&ar->conf_mutex);
1177 /* CAC is not running - do nothing */
1178 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
1181 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1182 ath10k_monitor_stop(ar);
1184 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
1189 static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
1190 struct ieee80211_chanctx_conf *conf,
1195 if (!*ret && conf->radar_enabled)
1199 static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
1201 bool has_radar = false;
1203 ieee80211_iter_chan_contexts_atomic(ar->hw,
1204 ath10k_mac_has_radar_iter,
1210 static void ath10k_recalc_radar_detection(struct ath10k *ar)
1214 lockdep_assert_held(&ar->conf_mutex);
1216 ath10k_stop_cac(ar);
1218 if (!ath10k_mac_has_radar_enabled(ar))
1221 if (ar->num_started_vdevs > 0)
1224 ret = ath10k_start_cac(ar);
1227 * Not possible to start CAC on current channel so starting
1228 * radiation is not allowed, make this channel DFS_UNAVAILABLE
1229 * by indicating that radar was detected.
1231 ath10k_warn(ar, "failed to start CAC: %d\n", ret);
1232 ieee80211_radar_detected(ar->hw);
1236 static int ath10k_vdev_stop(struct ath10k_vif *arvif)
1238 struct ath10k *ar = arvif->ar;
1241 lockdep_assert_held(&ar->conf_mutex);
1243 reinit_completion(&ar->vdev_setup_done);
1245 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
1247 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
1248 arvif->vdev_id, ret);
1252 ret = ath10k_vdev_setup_sync(ar);
1254 ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n",
1255 arvif->vdev_id, ret);
1259 WARN_ON(ar->num_started_vdevs == 0);
1261 if (ar->num_started_vdevs != 0) {
1262 ar->num_started_vdevs--;
1263 ath10k_recalc_radar_detection(ar);
1269 static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
1270 const struct cfg80211_chan_def *chandef,
1273 struct ath10k *ar = arvif->ar;
1274 struct wmi_vdev_start_request_arg arg = {};
1277 lockdep_assert_held(&ar->conf_mutex);
1279 reinit_completion(&ar->vdev_setup_done);
1281 arg.vdev_id = arvif->vdev_id;
1282 arg.dtim_period = arvif->dtim_period;
1283 arg.bcn_intval = arvif->beacon_interval;
1285 arg.channel.freq = chandef->chan->center_freq;
1286 arg.channel.band_center_freq1 = chandef->center_freq1;
1287 arg.channel.mode = chan_to_phymode(chandef);
1289 arg.channel.min_power = 0;
1290 arg.channel.max_power = chandef->chan->max_power * 2;
1291 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
1292 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
1294 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
1295 arg.ssid = arvif->u.ap.ssid;
1296 arg.ssid_len = arvif->u.ap.ssid_len;
1297 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
1299 /* For now allow DFS for AP mode */
1300 arg.channel.chan_radar =
1301 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
1302 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
1303 arg.ssid = arvif->vif->bss_conf.ssid;
1304 arg.ssid_len = arvif->vif->bss_conf.ssid_len;
1307 ath10k_dbg(ar, ATH10K_DBG_MAC,
1308 "mac vdev %d start center_freq %d phymode %s\n",
1309 arg.vdev_id, arg.channel.freq,
1310 ath10k_wmi_phymode_str(arg.channel.mode));
1313 ret = ath10k_wmi_vdev_restart(ar, &arg);
1315 ret = ath10k_wmi_vdev_start(ar, &arg);
1318 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
1323 ret = ath10k_vdev_setup_sync(ar);
1326 "failed to synchronize setup for vdev %i restart %d: %d\n",
1327 arg.vdev_id, restart, ret);
1331 ar->num_started_vdevs++;
1332 ath10k_recalc_radar_detection(ar);
1337 static int ath10k_vdev_start(struct ath10k_vif *arvif,
1338 const struct cfg80211_chan_def *def)
1340 return ath10k_vdev_start_restart(arvif, def, false);
1343 static int ath10k_vdev_restart(struct ath10k_vif *arvif,
1344 const struct cfg80211_chan_def *def)
1346 return ath10k_vdev_start_restart(arvif, def, true);
1349 static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
1350 struct sk_buff *bcn)
1352 struct ath10k *ar = arvif->ar;
1353 struct ieee80211_mgmt *mgmt;
1357 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1360 if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
1363 mgmt = (void *)bcn->data;
1364 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1365 mgmt->u.beacon.variable,
1366 bcn->len - (mgmt->u.beacon.variable -
1371 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
1373 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
1374 arvif->vdev_id, ret);
1381 static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
1382 u8 oui_type, size_t ie_offset)
1389 if (WARN_ON(skb->len < ie_offset))
1392 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
1393 skb->data + ie_offset,
1394 skb->len - ie_offset);
1399 end = skb->data + skb->len;
1402 if (WARN_ON(next > end))
1405 memmove(ie, next, end - next);
1406 skb_trim(skb, skb->len - len);
1411 static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
1413 struct ath10k *ar = arvif->ar;
1414 struct ieee80211_hw *hw = ar->hw;
1415 struct ieee80211_vif *vif = arvif->vif;
1416 struct ieee80211_mutable_offsets offs = {};
1417 struct sk_buff *bcn;
1420 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1423 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
1424 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
1427 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
1429 ath10k_warn(ar, "failed to get beacon template from mac80211\n");
1433 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
1435 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
1440 /* P2P IE is inserted by firmware automatically (as configured above)
1441 * so remove it from the base beacon template to avoid duplicate P2P
1442 * IEs in beacon frames.
1444 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1445 offsetof(struct ieee80211_mgmt,
1446 u.beacon.variable));
1448 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
1453 ath10k_warn(ar, "failed to submit beacon template command: %d\n",
1461 static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
1463 struct ath10k *ar = arvif->ar;
1464 struct ieee80211_hw *hw = ar->hw;
1465 struct ieee80211_vif *vif = arvif->vif;
1466 struct sk_buff *prb;
1469 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1472 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1475 prb = ieee80211_proberesp_get(hw, vif);
1477 ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
1481 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
1485 ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
1493 static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
1495 struct ath10k *ar = arvif->ar;
1496 struct cfg80211_chan_def def;
1499 /* When originally vdev is started during assign_vif_chanctx() some
1500 * information is missing, notably SSID. Firmware revisions with beacon
1501 * offloading require the SSID to be provided during vdev (re)start to
1502 * handle hidden SSID properly.
1504 * Vdev restart must be done after vdev has been both started and
1505 * upped. Otherwise some firmware revisions (at least 10.2) fail to
1506 * deliver vdev restart response event causing timeouts during vdev
1507 * syncing in ath10k.
1509 * Note: The vdev down/up and template reinstallation could be skipped
1510 * since only wmi-tlv firmware are known to have beacon offload and
1511 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
1512 * response delivery. It's probably more robust to keep it as is.
1514 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1517 if (WARN_ON(!arvif->is_started))
1520 if (WARN_ON(!arvif->is_up))
1523 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
1526 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1528 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
1529 arvif->vdev_id, ret);
1533 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
1534 * firmware will crash upon vdev up.
1537 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1539 ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
1543 ret = ath10k_mac_setup_prb_tmpl(arvif);
1545 ath10k_warn(ar, "failed to update presp template: %d\n", ret);
1549 ret = ath10k_vdev_restart(arvif, &def);
1551 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
1552 arvif->vdev_id, ret);
1556 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1559 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
1560 arvif->vdev_id, ret);
1567 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
1568 struct ieee80211_bss_conf *info)
1570 struct ath10k *ar = arvif->ar;
1573 lockdep_assert_held(&arvif->ar->conf_mutex);
1575 if (!info->enable_beacon) {
1576 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1578 ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
1579 arvif->vdev_id, ret);
1581 arvif->is_up = false;
1583 spin_lock_bh(&arvif->ar->data_lock);
1584 ath10k_mac_vif_beacon_free(arvif);
1585 spin_unlock_bh(&arvif->ar->data_lock);
1590 arvif->tx_seq_no = 0x1000;
1593 ether_addr_copy(arvif->bssid, info->bssid);
1595 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1598 ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
1599 arvif->vdev_id, ret);
1603 arvif->is_up = true;
1605 ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
1607 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
1608 arvif->vdev_id, ret);
1612 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
1615 static void ath10k_control_ibss(struct ath10k_vif *arvif,
1616 struct ieee80211_bss_conf *info,
1617 const u8 self_peer[ETH_ALEN])
1619 struct ath10k *ar = arvif->ar;
1623 lockdep_assert_held(&arvif->ar->conf_mutex);
1625 if (!info->ibss_joined) {
1626 if (is_zero_ether_addr(arvif->bssid))
1629 eth_zero_addr(arvif->bssid);
1634 vdev_param = arvif->ar->wmi.vdev_param->atim_window;
1635 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
1636 ATH10K_DEFAULT_ATIM);
1638 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
1639 arvif->vdev_id, ret);
1642 static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
1644 struct ath10k *ar = arvif->ar;
1649 lockdep_assert_held(&arvif->ar->conf_mutex);
1651 if (arvif->u.sta.uapsd)
1652 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
1654 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
1656 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
1657 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
1659 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
1660 value, arvif->vdev_id, ret);
1667 static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
1669 struct ath10k *ar = arvif->ar;
1674 lockdep_assert_held(&arvif->ar->conf_mutex);
1676 if (arvif->u.sta.uapsd)
1677 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
1679 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
1681 param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
1682 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
1685 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
1686 value, arvif->vdev_id, ret);
1693 static int ath10k_mac_num_vifs_started(struct ath10k *ar)
1695 struct ath10k_vif *arvif;
1698 lockdep_assert_held(&ar->conf_mutex);
1700 list_for_each_entry(arvif, &ar->arvifs, list)
1701 if (arvif->is_started)
1707 static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
1709 struct ath10k *ar = arvif->ar;
1710 struct ieee80211_vif *vif = arvif->vif;
1711 struct ieee80211_conf *conf = &ar->hw->conf;
1712 enum wmi_sta_powersave_param param;
1713 enum wmi_sta_ps_mode psmode;
1718 lockdep_assert_held(&arvif->ar->conf_mutex);
1720 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1723 enable_ps = arvif->ps;
1725 if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 &&
1726 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
1728 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
1733 if (!arvif->is_started) {
1734 /* mac80211 can update vif powersave state while disconnected.
1735 * Firmware doesn't behave nicely and consumes more power than
1736 * necessary if PS is disabled on a non-started vdev. Hence
1737 * force-enable PS for non-running vdevs.
1739 psmode = WMI_STA_PS_MODE_ENABLED;
1740 } else if (enable_ps) {
1741 psmode = WMI_STA_PS_MODE_ENABLED;
1742 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1744 ps_timeout = conf->dynamic_ps_timeout;
1745 if (ps_timeout == 0) {
1746 /* Firmware doesn't like 0 */
1747 ps_timeout = ieee80211_tu_to_usec(
1748 vif->bss_conf.beacon_int) / 1000;
1751 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
1754 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
1755 arvif->vdev_id, ret);
1759 psmode = WMI_STA_PS_MODE_DISABLED;
1762 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
1763 arvif->vdev_id, psmode ? "enable" : "disable");
1765 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
1767 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
1768 psmode, arvif->vdev_id, ret);
1775 static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
1777 struct ath10k *ar = arvif->ar;
1778 struct wmi_sta_keepalive_arg arg = {};
1781 lockdep_assert_held(&arvif->ar->conf_mutex);
1783 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
1786 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
1789 /* Some firmware revisions have a bug and ignore the `enabled` field.
1790 * Instead use the interval to disable the keepalive.
1792 arg.vdev_id = arvif->vdev_id;
1794 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
1795 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
1797 ret = ath10k_wmi_sta_keepalive(ar, &arg);
1799 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
1800 arvif->vdev_id, ret);
1807 static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
1809 struct ath10k *ar = arvif->ar;
1810 struct ieee80211_vif *vif = arvif->vif;
1813 lockdep_assert_held(&arvif->ar->conf_mutex);
1815 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
1818 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1821 if (!vif->csa_active)
1827 if (!ieee80211_csa_is_complete(vif)) {
1828 ieee80211_csa_update_counter(vif);
1830 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1832 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
1835 ret = ath10k_mac_setup_prb_tmpl(arvif);
1837 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
1840 ieee80211_csa_finish(vif);
1844 static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
1846 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1848 struct ath10k *ar = arvif->ar;
1850 mutex_lock(&ar->conf_mutex);
1851 ath10k_mac_vif_ap_csa_count_down(arvif);
1852 mutex_unlock(&ar->conf_mutex);
1855 static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
1856 struct ieee80211_vif *vif)
1858 struct sk_buff *skb = data;
1859 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1860 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1862 if (vif->type != NL80211_IFTYPE_STATION)
1865 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1868 cancel_delayed_work(&arvif->connection_loss_work);
1871 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
1873 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1874 IEEE80211_IFACE_ITER_NORMAL,
1875 ath10k_mac_handle_beacon_iter,
1879 static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1880 struct ieee80211_vif *vif)
1882 u32 *vdev_id = data;
1883 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1884 struct ath10k *ar = arvif->ar;
1885 struct ieee80211_hw *hw = ar->hw;
1887 if (arvif->vdev_id != *vdev_id)
1893 ieee80211_beacon_loss(vif);
1895 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1896 * (done by mac80211) succeeds but beacons do not resume then it
1897 * doesn't make sense to continue operation. Queue connection loss work
1898 * which can be cancelled when beacon is received.
1900 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1901 ATH10K_CONNECTION_LOSS_HZ);
1904 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
1906 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1907 IEEE80211_IFACE_ITER_NORMAL,
1908 ath10k_mac_handle_beacon_miss_iter,
1912 static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1914 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1915 connection_loss_work.work);
1916 struct ieee80211_vif *vif = arvif->vif;
1921 ieee80211_connection_loss(vif);
1924 /**********************/
1925 /* Station management */
1926 /**********************/
1928 static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
1929 struct ieee80211_vif *vif)
1931 /* Some firmware revisions have unstable STA powersave when listen
1932 * interval is set too high (e.g. 5). The symptoms are firmware doesn't
1933 * generate NullFunc frames properly even if buffered frames have been
1934 * indicated in Beacon TIM. Firmware would seldom wake up to pull
1935 * buffered frames. Often pinging the device from AP would simply fail.
1937 * As a workaround set it to 1.
1939 if (vif->type == NL80211_IFTYPE_STATION)
1942 return ar->hw->conf.listen_interval;
1945 static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
1946 struct ieee80211_vif *vif,
1947 struct ieee80211_sta *sta,
1948 struct wmi_peer_assoc_complete_arg *arg)
1950 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1953 lockdep_assert_held(&ar->conf_mutex);
1955 if (vif->type == NL80211_IFTYPE_STATION)
1956 aid = vif->bss_conf.aid;
1960 ether_addr_copy(arg->addr, sta->addr);
1961 arg->vdev_id = arvif->vdev_id;
1962 arg->peer_aid = aid;
1963 arg->peer_flags |= WMI_PEER_AUTH;
1964 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
1965 arg->peer_num_spatial_streams = 1;
1966 arg->peer_caps = vif->bss_conf.assoc_capability;
1969 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
1970 struct ieee80211_vif *vif,
1971 struct wmi_peer_assoc_complete_arg *arg)
1973 struct ieee80211_bss_conf *info = &vif->bss_conf;
1974 struct cfg80211_chan_def def;
1975 struct cfg80211_bss *bss;
1976 const u8 *rsnie = NULL;
1977 const u8 *wpaie = NULL;
1979 lockdep_assert_held(&ar->conf_mutex);
1981 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
1984 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
1985 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
1987 const struct cfg80211_bss_ies *ies;
1990 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
1992 ies = rcu_dereference(bss->ies);
1994 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
1995 WLAN_OUI_TYPE_MICROSOFT_WPA,
1999 cfg80211_put_bss(ar->hw->wiphy, bss);
2002 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
2003 if (rsnie || wpaie) {
2004 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
2005 arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY;
2009 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
2010 arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY;
2014 static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
2015 struct ieee80211_vif *vif,
2016 struct ieee80211_sta *sta,
2017 struct wmi_peer_assoc_complete_arg *arg)
2019 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2020 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
2021 struct cfg80211_chan_def def;
2022 const struct ieee80211_supported_band *sband;
2023 const struct ieee80211_rate *rates;
2024 enum ieee80211_band band;
2029 lockdep_assert_held(&ar->conf_mutex);
2031 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2034 band = def.chan->band;
2035 sband = ar->hw->wiphy->bands[band];
2036 ratemask = sta->supp_rates[band];
2037 ratemask &= arvif->bitrate_mask.control[band].legacy;
2038 rates = sband->bitrates;
2040 rateset->num_rates = 0;
2042 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
2043 if (!(ratemask & 1))
2046 rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
2047 rateset->rates[rateset->num_rates] = rate;
2048 rateset->num_rates++;
2053 ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2057 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
2058 if (ht_mcs_mask[nss])
2065 ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
2069 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
2070 if (vht_mcs_mask[nss])
2076 static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
2077 struct ieee80211_vif *vif,
2078 struct ieee80211_sta *sta,
2079 struct wmi_peer_assoc_complete_arg *arg)
2081 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
2082 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2083 struct cfg80211_chan_def def;
2084 enum ieee80211_band band;
2085 const u8 *ht_mcs_mask;
2086 const u16 *vht_mcs_mask;
2091 lockdep_assert_held(&ar->conf_mutex);
2093 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2096 if (!ht_cap->ht_supported)
2099 band = def.chan->band;
2100 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2101 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2103 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2104 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2107 arg->peer_flags |= WMI_PEER_HT;
2108 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2109 ht_cap->ampdu_factor)) - 1;
2111 arg->peer_mpdu_density =
2112 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2114 arg->peer_ht_caps = ht_cap->cap;
2115 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2117 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2118 arg->peer_flags |= WMI_PEER_LDPC;
2120 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2121 arg->peer_flags |= WMI_PEER_40MHZ;
2122 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2125 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2126 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2127 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2129 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2130 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2133 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2134 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2135 arg->peer_flags |= WMI_PEER_STBC;
2138 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
2139 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2140 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2141 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2142 arg->peer_rate_caps |= stbc;
2143 arg->peer_flags |= WMI_PEER_STBC;
2146 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2147 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2148 else if (ht_cap->mcs.rx_mask[1])
2149 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2151 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2152 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2153 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2154 max_nss = (i / 8) + 1;
2155 arg->peer_ht_rates.rates[n++] = i;
2159 * This is a workaround for HT-enabled STAs which break the spec
2160 * and have no HT capabilities RX mask (no HT RX MCS map).
2162 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2163 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2165 * Firmware asserts if such situation occurs.
2168 arg->peer_ht_rates.num_rates = 8;
2169 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2170 arg->peer_ht_rates.rates[i] = i;
2172 arg->peer_ht_rates.num_rates = n;
2173 arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
2176 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
2178 arg->peer_ht_rates.num_rates,
2179 arg->peer_num_spatial_streams);
2182 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2183 struct ath10k_vif *arvif,
2184 struct ieee80211_sta *sta)
2190 lockdep_assert_held(&ar->conf_mutex);
2192 if (sta->wme && sta->uapsd_queues) {
2193 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
2194 sta->uapsd_queues, sta->max_sp);
2196 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2197 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2198 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2199 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2200 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2201 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2202 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2203 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2204 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2205 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2206 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2207 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2209 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2210 max_sp = sta->max_sp;
2212 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2214 WMI_AP_PS_PEER_PARAM_UAPSD,
2217 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
2218 arvif->vdev_id, ret);
2222 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2224 WMI_AP_PS_PEER_PARAM_MAX_SP,
2227 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
2228 arvif->vdev_id, ret);
2232 /* TODO setup this based on STA listen interval and
2233 beacon interval. Currently we don't know
2234 sta->listen_interval - mac80211 patch required.
2235 Currently use 10 seconds */
2236 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
2237 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2240 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
2241 arvif->vdev_id, ret);
2250 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2251 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2258 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2259 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2263 idx_limit = fls(mcs_map) - 1;
2267 switch (idx_limit) {
2268 case 0: /* fall through */
2269 case 1: /* fall through */
2270 case 2: /* fall through */
2271 case 3: /* fall through */
2272 case 4: /* fall through */
2273 case 5: /* fall through */
2274 case 6: /* fall through */
2276 /* see ath10k_mac_can_set_bitrate_mask() */
2280 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2283 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2286 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2289 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2293 tx_mcs_set &= ~(0x3 << (nss * 2));
2294 tx_mcs_set |= mcs << (nss * 2);
2300 static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
2301 struct ieee80211_vif *vif,
2302 struct ieee80211_sta *sta,
2303 struct wmi_peer_assoc_complete_arg *arg)
2305 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
2306 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2307 struct cfg80211_chan_def def;
2308 enum ieee80211_band band;
2309 const u16 *vht_mcs_mask;
2312 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2315 if (!vht_cap->vht_supported)
2318 band = def.chan->band;
2319 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2321 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2324 arg->peer_flags |= WMI_PEER_VHT;
2326 if (def.chan->band == IEEE80211_BAND_2GHZ)
2327 arg->peer_flags |= WMI_PEER_VHT_2G;
2329 arg->peer_vht_caps = vht_cap->cap;
2331 ampdu_factor = (vht_cap->cap &
2332 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2333 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2335 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2336 * zero in VHT IE. Using it would result in degraded throughput.
2337 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2338 * it if VHT max_mpdu is smaller. */
2339 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2340 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2341 ampdu_factor)) - 1);
2343 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2344 arg->peer_flags |= WMI_PEER_80MHZ;
2346 arg->peer_vht_rates.rx_max_rate =
2347 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2348 arg->peer_vht_rates.rx_mcs_set =
2349 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2350 arg->peer_vht_rates.tx_max_rate =
2351 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2352 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2353 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2355 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
2356 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
2359 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
2360 struct ieee80211_vif *vif,
2361 struct ieee80211_sta *sta,
2362 struct wmi_peer_assoc_complete_arg *arg)
2364 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2366 switch (arvif->vdev_type) {
2367 case WMI_VDEV_TYPE_AP:
2369 arg->peer_flags |= WMI_PEER_QOS;
2371 if (sta->wme && sta->uapsd_queues) {
2372 arg->peer_flags |= WMI_PEER_APSD;
2373 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2376 case WMI_VDEV_TYPE_STA:
2377 if (vif->bss_conf.qos)
2378 arg->peer_flags |= WMI_PEER_QOS;
2380 case WMI_VDEV_TYPE_IBSS:
2382 arg->peer_flags |= WMI_PEER_QOS;
2388 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2389 sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
2392 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2394 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2395 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
2398 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
2399 struct ieee80211_vif *vif,
2400 struct ieee80211_sta *sta,
2401 struct wmi_peer_assoc_complete_arg *arg)
2403 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2404 struct cfg80211_chan_def def;
2405 enum ieee80211_band band;
2406 const u8 *ht_mcs_mask;
2407 const u16 *vht_mcs_mask;
2408 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2410 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2413 band = def.chan->band;
2414 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2415 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2418 case IEEE80211_BAND_2GHZ:
2419 if (sta->vht_cap.vht_supported &&
2420 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2421 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2422 phymode = MODE_11AC_VHT40;
2424 phymode = MODE_11AC_VHT20;
2425 } else if (sta->ht_cap.ht_supported &&
2426 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2427 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2428 phymode = MODE_11NG_HT40;
2430 phymode = MODE_11NG_HT20;
2431 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
2438 case IEEE80211_BAND_5GHZ:
2442 if (sta->vht_cap.vht_supported &&
2443 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2444 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2445 phymode = MODE_11AC_VHT80;
2446 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2447 phymode = MODE_11AC_VHT40;
2448 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2449 phymode = MODE_11AC_VHT20;
2450 } else if (sta->ht_cap.ht_supported &&
2451 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2452 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
2453 phymode = MODE_11NA_HT40;
2455 phymode = MODE_11NA_HT20;
2465 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
2466 sta->addr, ath10k_wmi_phymode_str(phymode));
2468 arg->peer_phymode = phymode;
2469 WARN_ON(phymode == MODE_UNKNOWN);
2472 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
2473 struct ieee80211_vif *vif,
2474 struct ieee80211_sta *sta,
2475 struct wmi_peer_assoc_complete_arg *arg)
2477 lockdep_assert_held(&ar->conf_mutex);
2479 memset(arg, 0, sizeof(*arg));
2481 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2482 ath10k_peer_assoc_h_crypto(ar, vif, arg);
2483 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
2484 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
2485 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
2486 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2487 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
2492 static const u32 ath10k_smps_map[] = {
2493 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2494 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2495 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2496 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2499 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2501 const struct ieee80211_sta_ht_cap *ht_cap)
2505 if (!ht_cap->ht_supported)
2508 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2509 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2511 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2514 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2515 WMI_PEER_SMPS_STATE,
2516 ath10k_smps_map[smps]);
2519 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2520 struct ieee80211_vif *vif,
2521 struct ieee80211_sta_vht_cap vht_cap)
2523 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2528 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
2531 if (!(ar->vht_cap_info &
2532 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2533 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2534 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2535 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2538 param = ar->wmi.vdev_param->txbf;
2541 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2544 /* The following logic is correct. If a remote STA advertises support
2545 * for being a beamformer then we should enable us being a beamformee.
2548 if (ar->vht_cap_info &
2549 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2550 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2551 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2552 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2554 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2555 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2558 if (ar->vht_cap_info &
2559 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2560 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2561 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2562 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2564 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2565 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2568 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2569 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2571 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2572 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2574 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2576 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2584 /* can be called only in mac80211 callbacks due to `key_count` usage */
2585 static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2586 struct ieee80211_vif *vif,
2587 struct ieee80211_bss_conf *bss_conf)
2589 struct ath10k *ar = hw->priv;
2590 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2591 struct ieee80211_sta_ht_cap ht_cap;
2592 struct ieee80211_sta_vht_cap vht_cap;
2593 struct wmi_peer_assoc_complete_arg peer_arg;
2594 struct ieee80211_sta *ap_sta;
2597 lockdep_assert_held(&ar->conf_mutex);
2599 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2600 arvif->vdev_id, arvif->bssid, arvif->aid);
2604 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2606 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
2607 bss_conf->bssid, arvif->vdev_id);
2612 /* ap_sta must be accessed only within rcu section which must be left
2613 * before calling ath10k_setup_peer_smps() which might sleep. */
2614 ht_cap = ap_sta->ht_cap;
2615 vht_cap = ap_sta->vht_cap;
2617 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
2619 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
2620 bss_conf->bssid, arvif->vdev_id, ret);
2627 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2629 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
2630 bss_conf->bssid, arvif->vdev_id, ret);
2634 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2636 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
2637 arvif->vdev_id, ret);
2641 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2643 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2644 arvif->vdev_id, bss_conf->bssid, ret);
2648 ath10k_dbg(ar, ATH10K_DBG_MAC,
2649 "mac vdev %d up (associated) bssid %pM aid %d\n",
2650 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2652 WARN_ON(arvif->is_up);
2654 arvif->aid = bss_conf->aid;
2655 ether_addr_copy(arvif->bssid, bss_conf->bssid);
2657 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2659 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
2660 arvif->vdev_id, ret);
2664 arvif->is_up = true;
2666 /* Workaround: Some firmware revisions (tested with qca6174
2667 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2668 * poked with peer param command.
2670 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2671 WMI_PEER_DUMMY_VAR, 1);
2673 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2674 arvif->bssid, arvif->vdev_id, ret);
2679 static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2680 struct ieee80211_vif *vif)
2682 struct ath10k *ar = hw->priv;
2683 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2684 struct ieee80211_sta_vht_cap vht_cap = {};
2687 lockdep_assert_held(&ar->conf_mutex);
2689 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2690 arvif->vdev_id, arvif->bssid);
2692 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
2694 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2695 arvif->vdev_id, ret);
2697 arvif->def_wep_key_idx = -1;
2699 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2701 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2702 arvif->vdev_id, ret);
2706 arvif->is_up = false;
2708 cancel_delayed_work_sync(&arvif->connection_loss_work);
2711 static int ath10k_station_assoc(struct ath10k *ar,
2712 struct ieee80211_vif *vif,
2713 struct ieee80211_sta *sta,
2716 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2717 struct wmi_peer_assoc_complete_arg peer_arg;
2720 lockdep_assert_held(&ar->conf_mutex);
2722 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
2724 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
2725 sta->addr, arvif->vdev_id, ret);
2729 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2731 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2732 sta->addr, arvif->vdev_id, ret);
2736 /* Re-assoc is run only to update supported rates for given station. It
2737 * doesn't make much sense to reconfigure the peer completely.
2740 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2743 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
2744 arvif->vdev_id, ret);
2748 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2750 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2751 sta->addr, arvif->vdev_id, ret);
2756 arvif->num_legacy_stations++;
2757 ret = ath10k_recalc_rtscts_prot(arvif);
2759 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2760 arvif->vdev_id, ret);
2765 /* Plumb cached keys only for static WEP */
2766 if (arvif->def_wep_key_idx != -1) {
2767 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2769 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2770 arvif->vdev_id, ret);
2779 static int ath10k_station_disassoc(struct ath10k *ar,
2780 struct ieee80211_vif *vif,
2781 struct ieee80211_sta *sta)
2783 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2786 lockdep_assert_held(&ar->conf_mutex);
2789 arvif->num_legacy_stations--;
2790 ret = ath10k_recalc_rtscts_prot(arvif);
2792 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2793 arvif->vdev_id, ret);
2798 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2800 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
2801 arvif->vdev_id, ret);
2812 static int ath10k_update_channel_list(struct ath10k *ar)
2814 struct ieee80211_hw *hw = ar->hw;
2815 struct ieee80211_supported_band **bands;
2816 enum ieee80211_band band;
2817 struct ieee80211_channel *channel;
2818 struct wmi_scan_chan_list_arg arg = {0};
2819 struct wmi_channel_arg *ch;
2825 lockdep_assert_held(&ar->conf_mutex);
2827 bands = hw->wiphy->bands;
2828 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2832 for (i = 0; i < bands[band]->n_channels; i++) {
2833 if (bands[band]->channels[i].flags &
2834 IEEE80211_CHAN_DISABLED)
2841 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2842 arg.channels = kzalloc(len, GFP_KERNEL);
2847 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2851 for (i = 0; i < bands[band]->n_channels; i++) {
2852 channel = &bands[band]->channels[i];
2854 if (channel->flags & IEEE80211_CHAN_DISABLED)
2857 ch->allow_ht = true;
2859 /* FIXME: when should we really allow VHT? */
2860 ch->allow_vht = true;
2863 !(channel->flags & IEEE80211_CHAN_NO_IR);
2866 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2869 !!(channel->flags & IEEE80211_CHAN_RADAR);
2871 passive = channel->flags & IEEE80211_CHAN_NO_IR;
2872 ch->passive = passive;
2874 ch->freq = channel->center_freq;
2875 ch->band_center_freq1 = channel->center_freq;
2877 ch->max_power = channel->max_power * 2;
2878 ch->max_reg_power = channel->max_reg_power * 2;
2879 ch->max_antenna_gain = channel->max_antenna_gain * 2;
2880 ch->reg_class_id = 0; /* FIXME */
2882 /* FIXME: why use only legacy modes, why not any
2883 * HT/VHT modes? Would that even make any
2885 if (channel->band == IEEE80211_BAND_2GHZ)
2886 ch->mode = MODE_11G;
2888 ch->mode = MODE_11A;
2890 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2893 ath10k_dbg(ar, ATH10K_DBG_WMI,
2894 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2895 ch - arg.channels, arg.n_channels,
2896 ch->freq, ch->max_power, ch->max_reg_power,
2897 ch->max_antenna_gain, ch->mode);
2903 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2904 kfree(arg.channels);
2909 static enum wmi_dfs_region
2910 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2912 switch (dfs_region) {
2913 case NL80211_DFS_UNSET:
2914 return WMI_UNINIT_DFS_DOMAIN;
2915 case NL80211_DFS_FCC:
2916 return WMI_FCC_DFS_DOMAIN;
2917 case NL80211_DFS_ETSI:
2918 return WMI_ETSI_DFS_DOMAIN;
2919 case NL80211_DFS_JP:
2920 return WMI_MKK4_DFS_DOMAIN;
2922 return WMI_UNINIT_DFS_DOMAIN;
2925 static void ath10k_regd_update(struct ath10k *ar)
2927 struct reg_dmn_pair_mapping *regpair;
2929 enum wmi_dfs_region wmi_dfs_reg;
2930 enum nl80211_dfs_regions nl_dfs_reg;
2932 lockdep_assert_held(&ar->conf_mutex);
2934 ret = ath10k_update_channel_list(ar);
2936 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
2938 regpair = ar->ath_common.regulatory.regpair;
2940 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2941 nl_dfs_reg = ar->dfs_detector->region;
2942 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2944 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2947 /* Target allows setting up per-band regdomain but ath_common provides
2948 * a combined one only */
2949 ret = ath10k_wmi_pdev_set_regdomain(ar,
2950 regpair->reg_domain,
2951 regpair->reg_domain, /* 2ghz */
2952 regpair->reg_domain, /* 5ghz */
2953 regpair->reg_2ghz_ctl,
2954 regpair->reg_5ghz_ctl,
2957 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
2960 static void ath10k_reg_notifier(struct wiphy *wiphy,
2961 struct regulatory_request *request)
2963 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2964 struct ath10k *ar = hw->priv;
2967 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
2969 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2970 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
2971 request->dfs_region);
2972 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
2973 request->dfs_region);
2975 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
2976 request->dfs_region);
2979 mutex_lock(&ar->conf_mutex);
2980 if (ar->state == ATH10K_STATE_ON)
2981 ath10k_regd_update(ar);
2982 mutex_unlock(&ar->conf_mutex);
2989 void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
2991 lockdep_assert_held(&ar->htt.tx_lock);
2993 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
2994 ar->tx_paused |= BIT(reason);
2995 ieee80211_stop_queues(ar->hw);
2998 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
2999 struct ieee80211_vif *vif)
3001 struct ath10k *ar = data;
3002 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3004 if (arvif->tx_paused)
3007 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3010 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
3012 lockdep_assert_held(&ar->htt.tx_lock);
3014 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3015 ar->tx_paused &= ~BIT(reason);
3020 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3021 IEEE80211_IFACE_ITER_RESUME_ALL,
3022 ath10k_mac_tx_unlock_iter,
3025 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
3028 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
3030 struct ath10k *ar = arvif->ar;
3032 lockdep_assert_held(&ar->htt.tx_lock);
3034 WARN_ON(reason >= BITS_PER_LONG);
3035 arvif->tx_paused |= BIT(reason);
3036 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3039 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3041 struct ath10k *ar = arvif->ar;
3043 lockdep_assert_held(&ar->htt.tx_lock);
3045 WARN_ON(reason >= BITS_PER_LONG);
3046 arvif->tx_paused &= ~BIT(reason);
3051 if (arvif->tx_paused)
3054 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3057 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3058 enum wmi_tlv_tx_pause_id pause_id,
3059 enum wmi_tlv_tx_pause_action action)
3061 struct ath10k *ar = arvif->ar;
3063 lockdep_assert_held(&ar->htt.tx_lock);
3066 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3067 ath10k_mac_vif_tx_lock(arvif, pause_id);
3069 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3070 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3073 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3074 action, arvif->vdev_id);
3079 struct ath10k_mac_tx_pause {
3081 enum wmi_tlv_tx_pause_id pause_id;
3082 enum wmi_tlv_tx_pause_action action;
3085 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3086 struct ieee80211_vif *vif)
3088 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3089 struct ath10k_mac_tx_pause *arg = data;
3091 if (arvif->vdev_id != arg->vdev_id)
3094 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3097 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
3098 enum wmi_tlv_tx_pause_id pause_id,
3099 enum wmi_tlv_tx_pause_action action)
3101 struct ath10k_mac_tx_pause arg = {
3103 .pause_id = pause_id,
3107 spin_lock_bh(&ar->htt.tx_lock);
3108 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3109 IEEE80211_IFACE_ITER_RESUME_ALL,
3110 ath10k_mac_handle_tx_pause_iter,
3112 spin_unlock_bh(&ar->htt.tx_lock);
3115 static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr)
3117 if (ieee80211_is_mgmt(hdr->frame_control))
3118 return HTT_DATA_TX_EXT_TID_MGMT;
3120 if (!ieee80211_is_data_qos(hdr->frame_control))
3121 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3123 if (!is_unicast_ether_addr(ieee80211_get_DA(hdr)))
3124 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3126 return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
3129 static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif)
3132 return ath10k_vif_to_arvif(vif)->vdev_id;
3134 if (ar->monitor_started)
3135 return ar->monitor_vdev_id;
3137 ath10k_warn(ar, "failed to resolve vdev id\n");
3141 static enum ath10k_hw_txrx_mode
3142 ath10k_tx_h_get_txmode(struct ath10k *ar, struct ieee80211_vif *vif,
3143 struct ieee80211_sta *sta, struct sk_buff *skb)
3145 const struct ieee80211_hdr *hdr = (void *)skb->data;
3146 __le16 fc = hdr->frame_control;
3148 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3149 return ATH10K_HW_TXRX_RAW;
3151 if (ieee80211_is_mgmt(fc))
3152 return ATH10K_HW_TXRX_MGMT;
3156 * NullFunc frames are mostly used to ping if a client or AP are still
3157 * reachable and responsive. This implies tx status reports must be
3158 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3159 * come to a conclusion that the other end disappeared and tear down
3160 * BSS connection or it can never disconnect from BSS/client (which is
3163 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3164 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3165 * which seems to deliver correct tx reports for NullFunc frames. The
3166 * downside of using it is it ignores client powersave state so it can
3167 * end up disconnecting sleeping clients in AP mode. It should fix STA
3168 * mode though because AP don't sleep.
3170 if (ar->htt.target_version_major < 3 &&
3171 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3172 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3173 return ATH10K_HW_TXRX_MGMT;
3177 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3178 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3179 * to work with Ethernet txmode so use it.
3181 * FIXME: Check if raw mode works with TDLS.
3183 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3184 return ATH10K_HW_TXRX_ETHERNET;
3186 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
3187 return ATH10K_HW_TXRX_RAW;
3189 return ATH10K_HW_TXRX_NATIVE_WIFI;
3192 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
3193 struct sk_buff *skb) {
3194 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3195 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
3196 IEEE80211_TX_CTL_INJECTED;
3197 if ((info->flags & mask) == mask)
3200 return !ath10k_vif_to_arvif(vif)->nohwcrypt;
3204 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3205 * Control in the header.
3207 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
3209 struct ieee80211_hdr *hdr = (void *)skb->data;
3210 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3213 if (!ieee80211_is_data_qos(hdr->frame_control))
3216 qos_ctl = ieee80211_get_qos_ctl(hdr);
3217 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3218 skb->data, (void *)qos_ctl - (void *)skb->data);
3219 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
3221 /* Some firmware revisions don't handle sending QoS NullFunc well.
3222 * These frames are mainly used for CQM purposes so it doesn't really
3223 * matter whether QoS NullFunc or NullFunc are sent.
3225 hdr = (void *)skb->data;
3226 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
3227 cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3229 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
3232 static void ath10k_tx_h_8023(struct sk_buff *skb)
3234 struct ieee80211_hdr *hdr;
3235 struct rfc1042_hdr *rfc1042;
3242 hdr = (void *)skb->data;
3243 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3244 rfc1042 = (void *)skb->data + hdrlen;
3246 ether_addr_copy(da, ieee80211_get_DA(hdr));
3247 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3248 type = rfc1042->snap_type;
3250 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3251 skb_push(skb, sizeof(*eth));
3253 eth = (void *)skb->data;
3254 ether_addr_copy(eth->h_dest, da);
3255 ether_addr_copy(eth->h_source, sa);
3256 eth->h_proto = type;
3259 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3260 struct ieee80211_vif *vif,
3261 struct sk_buff *skb)
3263 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3264 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3266 /* This is case only for P2P_GO */
3267 if (arvif->vdev_type != WMI_VDEV_TYPE_AP ||
3268 arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
3271 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3272 spin_lock_bh(&ar->data_lock);
3273 if (arvif->u.ap.noa_data)
3274 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3276 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3277 arvif->u.ap.noa_data,
3278 arvif->u.ap.noa_len);
3279 spin_unlock_bh(&ar->data_lock);
3283 static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar)
3285 /* FIXME: Not really sure since when the behaviour changed. At some
3286 * point new firmware stopped requiring creation of peer entries for
3287 * offchannel tx (and actually creating them causes issues with wmi-htc
3288 * tx credit replenishment and reliability). Assuming it's at least 3.4
3289 * because that's when the `freq` was introduced to TX_FRM HTT command.
3291 return !(ar->htt.target_version_major >= 3 &&
3292 ar->htt.target_version_minor >= 4);
3295 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
3297 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
3300 spin_lock_bh(&ar->data_lock);
3302 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3303 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3308 __skb_queue_tail(q, skb);
3309 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
3312 spin_unlock_bh(&ar->data_lock);
3317 static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb)
3319 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3320 struct ath10k_htt *htt = &ar->htt;
3323 switch (cb->txmode) {
3324 case ATH10K_HW_TXRX_RAW:
3325 case ATH10K_HW_TXRX_NATIVE_WIFI:
3326 case ATH10K_HW_TXRX_ETHERNET:
3327 ret = ath10k_htt_tx(htt, skb);
3329 case ATH10K_HW_TXRX_MGMT:
3330 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3332 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3333 else if (ar->htt.target_version_major >= 3)
3334 ret = ath10k_htt_tx(htt, skb);
3336 ret = ath10k_htt_mgmt_tx(htt, skb);
3341 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3343 ieee80211_free_txskb(ar->hw, skb);
3347 void ath10k_offchan_tx_purge(struct ath10k *ar)
3349 struct sk_buff *skb;
3352 skb = skb_dequeue(&ar->offchan_tx_queue);
3356 ieee80211_free_txskb(ar->hw, skb);
3360 void ath10k_offchan_tx_work(struct work_struct *work)
3362 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3363 struct ath10k_peer *peer;
3364 struct ieee80211_hdr *hdr;
3365 struct sk_buff *skb;
3366 const u8 *peer_addr;
3369 unsigned long time_left;
3370 bool tmp_peer_created = false;
3372 /* FW requirement: We must create a peer before FW will send out
3373 * an offchannel frame. Otherwise the frame will be stuck and
3374 * never transmitted. We delete the peer upon tx completion.
3375 * It is unlikely that a peer for offchannel tx will already be
3376 * present. However it may be in some rare cases so account for that.
3377 * Otherwise we might remove a legitimate peer and break stuff. */
3380 skb = skb_dequeue(&ar->offchan_tx_queue);
3384 mutex_lock(&ar->conf_mutex);
3386 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
3389 hdr = (struct ieee80211_hdr *)skb->data;
3390 peer_addr = ieee80211_get_DA(hdr);
3391 vdev_id = ATH10K_SKB_CB(skb)->vdev_id;
3393 spin_lock_bh(&ar->data_lock);
3394 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3395 spin_unlock_bh(&ar->data_lock);
3398 /* FIXME: should this use ath10k_warn()? */
3399 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
3400 peer_addr, vdev_id);
3403 ret = ath10k_peer_create(ar, vdev_id, peer_addr,
3404 WMI_PEER_TYPE_DEFAULT);
3406 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
3407 peer_addr, vdev_id, ret);
3408 tmp_peer_created = (ret == 0);
3411 spin_lock_bh(&ar->data_lock);
3412 reinit_completion(&ar->offchan_tx_completed);
3413 ar->offchan_tx_skb = skb;
3414 spin_unlock_bh(&ar->data_lock);
3416 ath10k_mac_tx(ar, skb);
3419 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3421 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
3424 if (!peer && tmp_peer_created) {
3425 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3427 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
3428 peer_addr, vdev_id, ret);
3431 mutex_unlock(&ar->conf_mutex);
3435 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3437 struct sk_buff *skb;
3440 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3444 ieee80211_free_txskb(ar->hw, skb);
3448 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3450 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3451 struct sk_buff *skb;
3455 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3459 ret = ath10k_wmi_mgmt_tx(ar, skb);
3461 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
3463 ieee80211_free_txskb(ar->hw, skb);
3472 void __ath10k_scan_finish(struct ath10k *ar)
3474 lockdep_assert_held(&ar->data_lock);
3476 switch (ar->scan.state) {
3477 case ATH10K_SCAN_IDLE:
3479 case ATH10K_SCAN_RUNNING:
3480 case ATH10K_SCAN_ABORTING:
3481 if (!ar->scan.is_roc)
3482 ieee80211_scan_completed(ar->hw,
3484 ATH10K_SCAN_ABORTING));
3485 else if (ar->scan.roc_notify)
3486 ieee80211_remain_on_channel_expired(ar->hw);
3488 case ATH10K_SCAN_STARTING:
3489 ar->scan.state = ATH10K_SCAN_IDLE;
3490 ar->scan_channel = NULL;
3491 ath10k_offchan_tx_purge(ar);
3492 cancel_delayed_work(&ar->scan.timeout);
3493 complete_all(&ar->scan.completed);
3498 void ath10k_scan_finish(struct ath10k *ar)
3500 spin_lock_bh(&ar->data_lock);
3501 __ath10k_scan_finish(ar);
3502 spin_unlock_bh(&ar->data_lock);
3505 static int ath10k_scan_stop(struct ath10k *ar)
3507 struct wmi_stop_scan_arg arg = {
3508 .req_id = 1, /* FIXME */
3509 .req_type = WMI_SCAN_STOP_ONE,
3510 .u.scan_id = ATH10K_SCAN_ID,
3514 lockdep_assert_held(&ar->conf_mutex);
3516 ret = ath10k_wmi_stop_scan(ar, &arg);
3518 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
3522 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
3524 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
3526 } else if (ret > 0) {
3531 /* Scan state should be updated upon scan completion but in case
3532 * firmware fails to deliver the event (for whatever reason) it is
3533 * desired to clean up scan state anyway. Firmware may have just
3534 * dropped the scan completion event delivery due to transport pipe
3535 * being overflown with data and/or it can recover on its own before
3536 * next scan request is submitted.
3538 spin_lock_bh(&ar->data_lock);
3539 if (ar->scan.state != ATH10K_SCAN_IDLE)
3540 __ath10k_scan_finish(ar);
3541 spin_unlock_bh(&ar->data_lock);
3546 static void ath10k_scan_abort(struct ath10k *ar)
3550 lockdep_assert_held(&ar->conf_mutex);
3552 spin_lock_bh(&ar->data_lock);
3554 switch (ar->scan.state) {
3555 case ATH10K_SCAN_IDLE:
3556 /* This can happen if timeout worker kicked in and called
3557 * abortion while scan completion was being processed.
3560 case ATH10K_SCAN_STARTING:
3561 case ATH10K_SCAN_ABORTING:
3562 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
3563 ath10k_scan_state_str(ar->scan.state),
3566 case ATH10K_SCAN_RUNNING:
3567 ar->scan.state = ATH10K_SCAN_ABORTING;
3568 spin_unlock_bh(&ar->data_lock);
3570 ret = ath10k_scan_stop(ar);
3572 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
3574 spin_lock_bh(&ar->data_lock);
3578 spin_unlock_bh(&ar->data_lock);
3581 void ath10k_scan_timeout_work(struct work_struct *work)
3583 struct ath10k *ar = container_of(work, struct ath10k,
3586 mutex_lock(&ar->conf_mutex);
3587 ath10k_scan_abort(ar);
3588 mutex_unlock(&ar->conf_mutex);
3591 static int ath10k_start_scan(struct ath10k *ar,
3592 const struct wmi_start_scan_arg *arg)
3596 lockdep_assert_held(&ar->conf_mutex);
3598 ret = ath10k_wmi_start_scan(ar, arg);
3602 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3604 ret = ath10k_scan_stop(ar);
3606 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
3611 /* If we failed to start the scan, return error code at
3612 * this point. This is probably due to some issue in the
3613 * firmware, but no need to wedge the driver due to that...
3615 spin_lock_bh(&ar->data_lock);
3616 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3617 spin_unlock_bh(&ar->data_lock);
3620 spin_unlock_bh(&ar->data_lock);
3625 /**********************/
3626 /* mac80211 callbacks */
3627 /**********************/
3629 static void ath10k_tx(struct ieee80211_hw *hw,
3630 struct ieee80211_tx_control *control,
3631 struct sk_buff *skb)
3633 struct ath10k *ar = hw->priv;
3634 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3635 struct ieee80211_vif *vif = info->control.vif;
3636 struct ieee80211_sta *sta = control->sta;
3637 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3638 __le16 fc = hdr->frame_control;
3640 /* We should disable CCK RATE due to P2P */
3641 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
3642 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
3644 ATH10K_SKB_CB(skb)->htt.is_offchan = false;
3645 ATH10K_SKB_CB(skb)->htt.freq = 0;
3646 ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr);
3647 ATH10K_SKB_CB(skb)->htt.nohwcrypt = !ath10k_tx_h_use_hwcrypto(vif, skb);
3648 ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif);
3649 ATH10K_SKB_CB(skb)->txmode = ath10k_tx_h_get_txmode(ar, vif, sta, skb);
3650 ATH10K_SKB_CB(skb)->is_protected = ieee80211_has_protected(fc);
3652 switch (ATH10K_SKB_CB(skb)->txmode) {
3653 case ATH10K_HW_TXRX_MGMT:
3654 case ATH10K_HW_TXRX_NATIVE_WIFI:
3655 ath10k_tx_h_nwifi(hw, skb);
3656 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3657 ath10k_tx_h_seq_no(vif, skb);
3659 case ATH10K_HW_TXRX_ETHERNET:
3660 ath10k_tx_h_8023(skb);
3662 case ATH10K_HW_TXRX_RAW:
3663 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
3665 ieee80211_free_txskb(hw, skb);
3670 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3671 spin_lock_bh(&ar->data_lock);
3672 ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq;
3673 ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id;
3674 spin_unlock_bh(&ar->data_lock);
3676 if (ath10k_mac_need_offchan_tx_work(ar)) {
3677 ATH10K_SKB_CB(skb)->htt.freq = 0;
3678 ATH10K_SKB_CB(skb)->htt.is_offchan = true;
3680 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3683 skb_queue_tail(&ar->offchan_tx_queue, skb);
3684 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3689 ath10k_mac_tx(ar, skb);
3692 /* Must not be called with conf_mutex held as workers can use that also. */
3693 void ath10k_drain_tx(struct ath10k *ar)
3695 /* make sure rcu-protected mac80211 tx path itself is drained */
3698 ath10k_offchan_tx_purge(ar);
3699 ath10k_mgmt_over_wmi_tx_purge(ar);
3701 cancel_work_sync(&ar->offchan_tx_work);
3702 cancel_work_sync(&ar->wmi_mgmt_tx_work);
3705 void ath10k_halt(struct ath10k *ar)
3707 struct ath10k_vif *arvif;
3709 lockdep_assert_held(&ar->conf_mutex);
3711 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
3712 ar->filter_flags = 0;
3713 ar->monitor = false;
3714 ar->monitor_arvif = NULL;
3716 if (ar->monitor_started)
3717 ath10k_monitor_stop(ar);
3719 ar->monitor_started = false;
3722 ath10k_scan_finish(ar);
3723 ath10k_peer_cleanup_all(ar);
3724 ath10k_core_stop(ar);
3725 ath10k_hif_power_down(ar);
3727 spin_lock_bh(&ar->data_lock);
3728 list_for_each_entry(arvif, &ar->arvifs, list)
3729 ath10k_mac_vif_beacon_cleanup(arvif);
3730 spin_unlock_bh(&ar->data_lock);
3733 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
3735 struct ath10k *ar = hw->priv;
3737 mutex_lock(&ar->conf_mutex);
3739 *tx_ant = ar->cfg_tx_chainmask;
3740 *rx_ant = ar->cfg_rx_chainmask;
3742 mutex_unlock(&ar->conf_mutex);
3747 static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
3749 /* It is not clear that allowing gaps in chainmask
3750 * is helpful. Probably it will not do what user
3751 * is hoping for, so warn in that case.
3753 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
3756 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
3760 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
3762 int nsts = ar->vht_cap_info;
3764 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3765 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3767 /* If firmware does not deliver to host number of space-time
3768 * streams supported, assume it support up to 4 BF STS and return
3769 * the value for VHT CAP: nsts-1)
3777 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
3779 int sound_dim = ar->vht_cap_info;
3781 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3782 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3784 /* If the sounding dimension is not advertised by the firmware,
3785 * let's use a default value of 1
3793 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
3795 struct ieee80211_sta_vht_cap vht_cap = {0};
3800 vht_cap.vht_supported = 1;
3801 vht_cap.cap = ar->vht_cap_info;
3803 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
3804 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
3805 val = ath10k_mac_get_vht_cap_bf_sts(ar);
3806 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3807 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3812 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
3813 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
3814 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
3815 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3816 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3822 for (i = 0; i < 8; i++) {
3823 if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
3824 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3826 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3829 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
3830 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
3835 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
3838 struct ieee80211_sta_ht_cap ht_cap = {0};
3840 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
3843 ht_cap.ht_supported = 1;
3844 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
3845 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
3846 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3847 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
3848 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
3850 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
3851 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
3853 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
3854 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
3856 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
3859 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
3860 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
3865 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
3866 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
3868 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
3871 stbc = ar->ht_cap_info;
3872 stbc &= WMI_HT_CAP_RX_STBC;
3873 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
3874 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
3875 stbc &= IEEE80211_HT_CAP_RX_STBC;
3880 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
3881 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
3883 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
3884 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
3886 /* max AMSDU is implicitly taken from vht_cap_info */
3887 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
3888 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
3890 for (i = 0; i < ar->num_rf_chains; i++) {
3891 if (ar->cfg_rx_chainmask & BIT(i))
3892 ht_cap.mcs.rx_mask[i] = 0xFF;
3895 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
3900 static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
3902 struct ieee80211_supported_band *band;
3903 struct ieee80211_sta_vht_cap vht_cap;
3904 struct ieee80211_sta_ht_cap ht_cap;
3906 ht_cap = ath10k_get_ht_cap(ar);
3907 vht_cap = ath10k_create_vht_cap(ar);
3909 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
3910 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
3911 band->ht_cap = ht_cap;
3913 /* Enable the VHT support at 2.4 GHz */
3914 band->vht_cap = vht_cap;
3916 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
3917 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
3918 band->ht_cap = ht_cap;
3919 band->vht_cap = vht_cap;
3923 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
3927 lockdep_assert_held(&ar->conf_mutex);
3929 ath10k_check_chain_mask(ar, tx_ant, "tx");
3930 ath10k_check_chain_mask(ar, rx_ant, "rx");
3932 ar->cfg_tx_chainmask = tx_ant;
3933 ar->cfg_rx_chainmask = rx_ant;
3935 if ((ar->state != ATH10K_STATE_ON) &&
3936 (ar->state != ATH10K_STATE_RESTARTED))
3939 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
3942 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
3947 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
3950 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
3955 /* Reload HT/VHT capability */
3956 ath10k_mac_setup_ht_vht_cap(ar);
3961 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
3963 struct ath10k *ar = hw->priv;
3966 mutex_lock(&ar->conf_mutex);
3967 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
3968 mutex_unlock(&ar->conf_mutex);
3972 static int ath10k_start(struct ieee80211_hw *hw)
3974 struct ath10k *ar = hw->priv;
3979 * This makes sense only when restarting hw. It is harmless to call
3980 * uncoditionally. This is necessary to make sure no HTT/WMI tx
3981 * commands will be submitted while restarting.
3983 ath10k_drain_tx(ar);
3985 mutex_lock(&ar->conf_mutex);
3987 switch (ar->state) {
3988 case ATH10K_STATE_OFF:
3989 ar->state = ATH10K_STATE_ON;
3991 case ATH10K_STATE_RESTARTING:
3993 ar->state = ATH10K_STATE_RESTARTED;
3995 case ATH10K_STATE_ON:
3996 case ATH10K_STATE_RESTARTED:
3997 case ATH10K_STATE_WEDGED:
4001 case ATH10K_STATE_UTF:
4006 ret = ath10k_hif_power_up(ar);
4008 ath10k_err(ar, "Could not init hif: %d\n", ret);
4012 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
4014 ath10k_err(ar, "Could not init core: %d\n", ret);
4015 goto err_power_down;
4018 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1);
4020 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
4024 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1);
4026 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
4030 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
4031 ret = ath10k_wmi_adaptive_qcs(ar, true);
4033 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
4039 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
4040 burst_enable = ar->wmi.pdev_param->burst_enable;
4041 ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0);
4043 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
4048 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
4051 * By default FW set ARP frames ac to voice (6). In that case ARP
4052 * exchange is not working properly for UAPSD enabled AP. ARP requests
4053 * which arrives with access category 0 are processed by network stack
4054 * and send back with access category 0, but FW changes access category
4055 * to 6. Set ARP frames access category to best effort (0) solves
4059 ret = ath10k_wmi_pdev_set_param(ar,
4060 ar->wmi.pdev_param->arp_ac_override, 0);
4062 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
4067 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA,
4069 ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1,
4070 WMI_CCA_DETECT_LEVEL_AUTO,
4071 WMI_CCA_DETECT_MARGIN_AUTO);
4073 ath10k_warn(ar, "failed to enable adaptive cca: %d\n",
4079 ret = ath10k_wmi_pdev_set_param(ar,
4080 ar->wmi.pdev_param->ani_enable, 1);
4082 ath10k_warn(ar, "failed to enable ani by default: %d\n",
4087 ar->ani_enabled = true;
4089 ar->num_started_vdevs = 0;
4090 ath10k_regd_update(ar);
4092 ath10k_spectral_start(ar);
4093 ath10k_thermal_set_throttling(ar);
4095 mutex_unlock(&ar->conf_mutex);
4099 ath10k_core_stop(ar);
4102 ath10k_hif_power_down(ar);
4105 ar->state = ATH10K_STATE_OFF;
4108 mutex_unlock(&ar->conf_mutex);
4112 static void ath10k_stop(struct ieee80211_hw *hw)
4114 struct ath10k *ar = hw->priv;
4116 ath10k_drain_tx(ar);
4118 mutex_lock(&ar->conf_mutex);
4119 if (ar->state != ATH10K_STATE_OFF) {
4121 ar->state = ATH10K_STATE_OFF;
4123 mutex_unlock(&ar->conf_mutex);
4125 cancel_delayed_work_sync(&ar->scan.timeout);
4126 cancel_work_sync(&ar->restart_work);
4129 static int ath10k_config_ps(struct ath10k *ar)
4131 struct ath10k_vif *arvif;
4134 lockdep_assert_held(&ar->conf_mutex);
4136 list_for_each_entry(arvif, &ar->arvifs, list) {
4137 ret = ath10k_mac_vif_setup_ps(arvif);
4139 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
4147 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
4152 lockdep_assert_held(&ar->conf_mutex);
4154 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
4156 param = ar->wmi.pdev_param->txpower_limit2g;
4157 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4159 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
4164 param = ar->wmi.pdev_param->txpower_limit5g;
4165 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4167 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
4175 static int ath10k_mac_txpower_recalc(struct ath10k *ar)
4177 struct ath10k_vif *arvif;
4178 int ret, txpower = -1;
4180 lockdep_assert_held(&ar->conf_mutex);
4182 list_for_each_entry(arvif, &ar->arvifs, list) {
4183 WARN_ON(arvif->txpower < 0);
4186 txpower = arvif->txpower;
4188 txpower = min(txpower, arvif->txpower);
4191 if (WARN_ON(txpower == -1))
4194 ret = ath10k_mac_txpower_setup(ar, txpower);
4196 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4204 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4206 struct ath10k *ar = hw->priv;
4207 struct ieee80211_conf *conf = &hw->conf;
4210 mutex_lock(&ar->conf_mutex);
4212 if (changed & IEEE80211_CONF_CHANGE_PS)
4213 ath10k_config_ps(ar);
4215 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
4216 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4217 ret = ath10k_monitor_recalc(ar);
4219 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4222 mutex_unlock(&ar->conf_mutex);
4226 static u32 get_nss_from_chainmask(u16 chain_mask)
4228 if ((chain_mask & 0x15) == 0x15)
4230 else if ((chain_mask & 0x7) == 0x7)
4232 else if ((chain_mask & 0x3) == 0x3)
4237 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
4240 struct ath10k *ar = arvif->ar;
4244 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
4247 nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
4248 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4249 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
4250 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
4252 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4253 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4254 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
4255 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
4260 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
4261 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
4263 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
4264 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
4265 WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
4267 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
4268 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
4270 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
4271 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
4272 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
4274 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
4275 ar->wmi.vdev_param->txbf, value);
4280 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4281 * because we will send mgmt frames without CCK. This requirement
4282 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4285 static int ath10k_add_interface(struct ieee80211_hw *hw,
4286 struct ieee80211_vif *vif)
4288 struct ath10k *ar = hw->priv;
4289 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4290 enum wmi_sta_powersave_param param;
4297 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4299 mutex_lock(&ar->conf_mutex);
4301 memset(arvif, 0, sizeof(*arvif));
4306 INIT_LIST_HEAD(&arvif->list);
4307 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
4308 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4309 ath10k_mac_vif_sta_connection_loss_work);
4311 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4312 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4313 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4314 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4315 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4316 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4319 if (ar->num_peers >= ar->max_num_peers) {
4320 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
4325 if (ar->free_vdev_map == 0) {
4326 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
4330 bit = __ffs64(ar->free_vdev_map);
4332 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4333 bit, ar->free_vdev_map);
4335 arvif->vdev_id = bit;
4336 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
4338 switch (vif->type) {
4339 case NL80211_IFTYPE_P2P_DEVICE:
4340 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4341 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;
4343 case NL80211_IFTYPE_UNSPECIFIED:
4344 case NL80211_IFTYPE_STATION:
4345 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4347 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT;
4349 case NL80211_IFTYPE_ADHOC:
4350 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4352 case NL80211_IFTYPE_MESH_POINT:
4353 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4355 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
4358 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4360 case NL80211_IFTYPE_AP:
4361 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4364 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO;
4366 case NL80211_IFTYPE_MONITOR:
4367 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4374 /* Using vdev_id as queue number will make it very easy to do per-vif
4375 * tx queue locking. This shouldn't wrap due to interface combinations
4376 * but do a modulo for correctness sake and prevent using offchannel tx
4377 * queues for regular vif tx.
4379 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4380 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4381 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4383 /* Some firmware revisions don't wait for beacon tx completion before
4384 * sending another SWBA event. This could lead to hardware using old
4385 * (freed) beacon data in some cases, e.g. tx credit starvation
4386 * combined with missed TBTT. This is very very rare.
4388 * On non-IOMMU-enabled hosts this could be a possible security issue
4389 * because hw could beacon some random data on the air. On
4390 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4391 * device would crash.
4393 * Since there are no beacon tx completions (implicit nor explicit)
4394 * propagated to host the only workaround for this is to allocate a
4395 * DMA-coherent buffer for a lifetime of a vif and use it for all
4396 * beacon tx commands. Worst case for this approach is some beacons may
4397 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4399 if (vif->type == NL80211_IFTYPE_ADHOC ||
4400 vif->type == NL80211_IFTYPE_MESH_POINT ||
4401 vif->type == NL80211_IFTYPE_AP) {
4402 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4403 IEEE80211_MAX_FRAME_LEN,
4404 &arvif->beacon_paddr,
4406 if (!arvif->beacon_buf) {
4408 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4413 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
4414 arvif->nohwcrypt = true;
4416 if (arvif->nohwcrypt &&
4417 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4418 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
4422 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4423 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4424 arvif->beacon_buf ? "single-buf" : "per-skb");
4426 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4427 arvif->vdev_subtype, vif->addr);
4429 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
4430 arvif->vdev_id, ret);
4434 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
4435 list_add(&arvif->list, &ar->arvifs);
4437 /* It makes no sense to have firmware do keepalives. mac80211 already
4438 * takes care of this with idle connection polling.
4440 ret = ath10k_mac_vif_disable_keepalive(arvif);
4442 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
4443 arvif->vdev_id, ret);
4444 goto err_vdev_delete;
4447 arvif->def_wep_key_idx = -1;
4449 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4450 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4451 ATH10K_HW_TXRX_NATIVE_WIFI);
4452 /* 10.X firmware does not support this VDEV parameter. Do not warn */
4453 if (ret && ret != -EOPNOTSUPP) {
4454 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
4455 arvif->vdev_id, ret);
4456 goto err_vdev_delete;
4459 if (ar->cfg_tx_chainmask) {
4460 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4462 vdev_param = ar->wmi.vdev_param->nss;
4463 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4466 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4467 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4469 goto err_vdev_delete;
4473 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4474 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4475 ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr,
4476 WMI_PEER_TYPE_DEFAULT);
4478 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
4479 arvif->vdev_id, ret);
4480 goto err_vdev_delete;
4484 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4485 ret = ath10k_mac_set_kickout(arvif);
4487 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
4488 arvif->vdev_id, ret);
4489 goto err_peer_delete;
4493 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4494 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4495 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4496 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4499 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
4500 arvif->vdev_id, ret);
4501 goto err_peer_delete;
4504 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
4506 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
4507 arvif->vdev_id, ret);
4508 goto err_peer_delete;
4511 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
4513 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
4514 arvif->vdev_id, ret);
4515 goto err_peer_delete;
4519 ret = ath10k_mac_set_txbf_conf(arvif);
4521 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
4522 arvif->vdev_id, ret);
4523 goto err_peer_delete;
4526 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
4528 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
4529 arvif->vdev_id, ret);
4530 goto err_peer_delete;
4533 arvif->txpower = vif->bss_conf.txpower;
4534 ret = ath10k_mac_txpower_recalc(ar);
4536 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4537 goto err_peer_delete;
4540 if (vif->type == NL80211_IFTYPE_MONITOR) {
4541 ar->monitor_arvif = arvif;
4542 ret = ath10k_monitor_recalc(ar);
4544 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4545 goto err_peer_delete;
4549 spin_lock_bh(&ar->htt.tx_lock);
4551 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
4552 spin_unlock_bh(&ar->htt.tx_lock);
4554 mutex_unlock(&ar->conf_mutex);
4558 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4559 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
4560 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4563 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4564 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4565 list_del(&arvif->list);
4568 if (arvif->beacon_buf) {
4569 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4570 arvif->beacon_buf, arvif->beacon_paddr);
4571 arvif->beacon_buf = NULL;
4574 mutex_unlock(&ar->conf_mutex);
4579 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4583 for (i = 0; i < BITS_PER_LONG; i++)
4584 ath10k_mac_vif_tx_unlock(arvif, i);
4587 static void ath10k_remove_interface(struct ieee80211_hw *hw,
4588 struct ieee80211_vif *vif)
4590 struct ath10k *ar = hw->priv;
4591 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4594 cancel_work_sync(&arvif->ap_csa_work);
4595 cancel_delayed_work_sync(&arvif->connection_loss_work);
4597 mutex_lock(&ar->conf_mutex);
4599 spin_lock_bh(&ar->data_lock);
4600 ath10k_mac_vif_beacon_cleanup(arvif);
4601 spin_unlock_bh(&ar->data_lock);
4603 ret = ath10k_spectral_vif_stop(arvif);
4605 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
4606 arvif->vdev_id, ret);
4608 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4609 list_del(&arvif->list);
4611 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4612 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4613 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4616 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
4617 arvif->vdev_id, ret);
4619 kfree(arvif->u.ap.noa_data);
4622 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
4625 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4627 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
4628 arvif->vdev_id, ret);
4630 /* Some firmware revisions don't notify host about self-peer removal
4631 * until after associated vdev is deleted.
4633 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4634 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4635 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
4638 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
4639 arvif->vdev_id, ret);
4641 spin_lock_bh(&ar->data_lock);
4643 spin_unlock_bh(&ar->data_lock);
4646 ath10k_peer_cleanup(ar, arvif->vdev_id);
4648 if (vif->type == NL80211_IFTYPE_MONITOR) {
4649 ar->monitor_arvif = NULL;
4650 ret = ath10k_monitor_recalc(ar);
4652 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4655 spin_lock_bh(&ar->htt.tx_lock);
4656 ath10k_mac_vif_tx_unlock_all(arvif);
4657 spin_unlock_bh(&ar->htt.tx_lock);
4659 mutex_unlock(&ar->conf_mutex);
4663 * FIXME: Has to be verified.
4665 #define SUPPORTED_FILTERS \
4670 FIF_BCN_PRBRESP_PROMISC | \
4674 static void ath10k_configure_filter(struct ieee80211_hw *hw,
4675 unsigned int changed_flags,
4676 unsigned int *total_flags,
4679 struct ath10k *ar = hw->priv;
4682 mutex_lock(&ar->conf_mutex);
4684 changed_flags &= SUPPORTED_FILTERS;
4685 *total_flags &= SUPPORTED_FILTERS;
4686 ar->filter_flags = *total_flags;
4688 ret = ath10k_monitor_recalc(ar);
4690 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
4692 mutex_unlock(&ar->conf_mutex);
4695 static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
4696 struct ieee80211_vif *vif,
4697 struct ieee80211_bss_conf *info,
4700 struct ath10k *ar = hw->priv;
4701 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4703 u32 vdev_param, pdev_param, slottime, preamble;
4705 mutex_lock(&ar->conf_mutex);
4707 if (changed & BSS_CHANGED_IBSS)
4708 ath10k_control_ibss(arvif, info, vif->addr);
4710 if (changed & BSS_CHANGED_BEACON_INT) {
4711 arvif->beacon_interval = info->beacon_int;
4712 vdev_param = ar->wmi.vdev_param->beacon_interval;
4713 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4714 arvif->beacon_interval);
4715 ath10k_dbg(ar, ATH10K_DBG_MAC,
4716 "mac vdev %d beacon_interval %d\n",
4717 arvif->vdev_id, arvif->beacon_interval);
4720 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
4721 arvif->vdev_id, ret);
4724 if (changed & BSS_CHANGED_BEACON) {
4725 ath10k_dbg(ar, ATH10K_DBG_MAC,
4726 "vdev %d set beacon tx mode to staggered\n",
4729 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
4730 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
4731 WMI_BEACON_STAGGERED_MODE);
4733 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
4734 arvif->vdev_id, ret);
4736 ret = ath10k_mac_setup_bcn_tmpl(arvif);
4738 ath10k_warn(ar, "failed to update beacon template: %d\n",
4741 if (ieee80211_vif_is_mesh(vif)) {
4742 /* mesh doesn't use SSID but firmware needs it */
4743 strncpy(arvif->u.ap.ssid, "mesh",
4744 sizeof(arvif->u.ap.ssid));
4745 arvif->u.ap.ssid_len = 4;
4749 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
4750 ret = ath10k_mac_setup_prb_tmpl(arvif);
4752 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
4753 arvif->vdev_id, ret);
4756 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
4757 arvif->dtim_period = info->dtim_period;
4759 ath10k_dbg(ar, ATH10K_DBG_MAC,
4760 "mac vdev %d dtim_period %d\n",
4761 arvif->vdev_id, arvif->dtim_period);
4763 vdev_param = ar->wmi.vdev_param->dtim_period;
4764 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4765 arvif->dtim_period);
4767 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
4768 arvif->vdev_id, ret);
4771 if (changed & BSS_CHANGED_SSID &&
4772 vif->type == NL80211_IFTYPE_AP) {
4773 arvif->u.ap.ssid_len = info->ssid_len;
4775 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
4776 arvif->u.ap.hidden_ssid = info->hidden_ssid;
4779 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
4780 ether_addr_copy(arvif->bssid, info->bssid);
4782 if (changed & BSS_CHANGED_BEACON_ENABLED)
4783 ath10k_control_beaconing(arvif, info);
4785 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
4786 arvif->use_cts_prot = info->use_cts_prot;
4787 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
4788 arvif->vdev_id, info->use_cts_prot);
4790 ret = ath10k_recalc_rtscts_prot(arvif);
4792 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
4793 arvif->vdev_id, ret);
4795 vdev_param = ar->wmi.vdev_param->protection_mode;
4796 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4797 info->use_cts_prot ? 1 : 0);
4799 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
4800 info->use_cts_prot, arvif->vdev_id, ret);
4803 if (changed & BSS_CHANGED_ERP_SLOT) {
4804 if (info->use_short_slot)
4805 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
4808 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
4810 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
4811 arvif->vdev_id, slottime);
4813 vdev_param = ar->wmi.vdev_param->slot_time;
4814 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4817 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
4818 arvif->vdev_id, ret);
4821 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
4822 if (info->use_short_preamble)
4823 preamble = WMI_VDEV_PREAMBLE_SHORT;
4825 preamble = WMI_VDEV_PREAMBLE_LONG;
4827 ath10k_dbg(ar, ATH10K_DBG_MAC,
4828 "mac vdev %d preamble %dn",
4829 arvif->vdev_id, preamble);
4831 vdev_param = ar->wmi.vdev_param->preamble;
4832 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4835 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
4836 arvif->vdev_id, ret);
4839 if (changed & BSS_CHANGED_ASSOC) {
4841 /* Workaround: Make sure monitor vdev is not running
4842 * when associating to prevent some firmware revisions
4843 * (e.g. 10.1 and 10.2) from crashing.
4845 if (ar->monitor_started)
4846 ath10k_monitor_stop(ar);
4847 ath10k_bss_assoc(hw, vif, info);
4848 ath10k_monitor_recalc(ar);
4850 ath10k_bss_disassoc(hw, vif);
4854 if (changed & BSS_CHANGED_TXPOWER) {
4855 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
4856 arvif->vdev_id, info->txpower);
4858 arvif->txpower = info->txpower;
4859 ret = ath10k_mac_txpower_recalc(ar);
4861 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4864 if (changed & BSS_CHANGED_PS) {
4865 arvif->ps = vif->bss_conf.ps;
4867 ret = ath10k_config_ps(ar);
4869 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
4870 arvif->vdev_id, ret);
4873 mutex_unlock(&ar->conf_mutex);
4876 static int ath10k_hw_scan(struct ieee80211_hw *hw,
4877 struct ieee80211_vif *vif,
4878 struct ieee80211_scan_request *hw_req)
4880 struct ath10k *ar = hw->priv;
4881 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4882 struct cfg80211_scan_request *req = &hw_req->req;
4883 struct wmi_start_scan_arg arg;
4887 mutex_lock(&ar->conf_mutex);
4889 spin_lock_bh(&ar->data_lock);
4890 switch (ar->scan.state) {
4891 case ATH10K_SCAN_IDLE:
4892 reinit_completion(&ar->scan.started);
4893 reinit_completion(&ar->scan.completed);
4894 ar->scan.state = ATH10K_SCAN_STARTING;
4895 ar->scan.is_roc = false;
4896 ar->scan.vdev_id = arvif->vdev_id;
4899 case ATH10K_SCAN_STARTING:
4900 case ATH10K_SCAN_RUNNING:
4901 case ATH10K_SCAN_ABORTING:
4905 spin_unlock_bh(&ar->data_lock);
4910 memset(&arg, 0, sizeof(arg));
4911 ath10k_wmi_start_scan_init(ar, &arg);
4912 arg.vdev_id = arvif->vdev_id;
4913 arg.scan_id = ATH10K_SCAN_ID;
4916 arg.ie_len = req->ie_len;
4917 memcpy(arg.ie, req->ie, arg.ie_len);
4921 arg.n_ssids = req->n_ssids;
4922 for (i = 0; i < arg.n_ssids; i++) {
4923 arg.ssids[i].len = req->ssids[i].ssid_len;
4924 arg.ssids[i].ssid = req->ssids[i].ssid;
4927 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
4930 if (req->n_channels) {
4931 arg.n_channels = req->n_channels;
4932 for (i = 0; i < arg.n_channels; i++)
4933 arg.channels[i] = req->channels[i]->center_freq;
4936 ret = ath10k_start_scan(ar, &arg);
4938 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
4939 spin_lock_bh(&ar->data_lock);
4940 ar->scan.state = ATH10K_SCAN_IDLE;
4941 spin_unlock_bh(&ar->data_lock);
4944 /* Add a 200ms margin to account for event/command processing */
4945 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
4946 msecs_to_jiffies(arg.max_scan_time +
4950 mutex_unlock(&ar->conf_mutex);
4954 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
4955 struct ieee80211_vif *vif)
4957 struct ath10k *ar = hw->priv;
4959 mutex_lock(&ar->conf_mutex);
4960 ath10k_scan_abort(ar);
4961 mutex_unlock(&ar->conf_mutex);
4963 cancel_delayed_work_sync(&ar->scan.timeout);
4966 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
4967 struct ath10k_vif *arvif,
4968 enum set_key_cmd cmd,
4969 struct ieee80211_key_conf *key)
4971 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
4974 /* 10.1 firmware branch requires default key index to be set to group
4975 * key index after installing it. Otherwise FW/HW Txes corrupted
4976 * frames with multi-vif APs. This is not required for main firmware
4977 * branch (e.g. 636).
4979 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
4981 * FIXME: It remains unknown if this is required for multi-vif STA
4982 * interfaces on 10.1.
4985 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
4986 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
4989 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
4992 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
4995 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5001 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5004 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
5005 arvif->vdev_id, ret);
5008 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
5009 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
5010 struct ieee80211_key_conf *key)
5012 struct ath10k *ar = hw->priv;
5013 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5014 struct ath10k_peer *peer;
5015 const u8 *peer_addr;
5016 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
5017 key->cipher == WLAN_CIPHER_SUITE_WEP104;
5023 /* this one needs to be done in software */
5024 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
5027 if (arvif->nohwcrypt)
5030 if (key->keyidx > WMI_MAX_KEY_INDEX)
5033 mutex_lock(&ar->conf_mutex);
5036 peer_addr = sta->addr;
5037 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
5038 peer_addr = vif->bss_conf.bssid;
5040 peer_addr = vif->addr;
5042 key->hw_key_idx = key->keyidx;
5046 arvif->wep_keys[key->keyidx] = key;
5048 arvif->wep_keys[key->keyidx] = NULL;
5051 /* the peer should not disappear in mid-way (unless FW goes awry) since
5052 * we already hold conf_mutex. we just make sure its there now. */
5053 spin_lock_bh(&ar->data_lock);
5054 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5055 spin_unlock_bh(&ar->data_lock);
5058 if (cmd == SET_KEY) {
5059 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5064 /* if the peer doesn't exist there is no key to disable
5070 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5071 flags |= WMI_KEY_PAIRWISE;
5073 flags |= WMI_KEY_GROUP;
5076 if (cmd == DISABLE_KEY)
5077 ath10k_clear_vdev_key(arvif, key);
5079 /* When WEP keys are uploaded it's possible that there are
5080 * stations associated already (e.g. when merging) without any
5081 * keys. Static WEP needs an explicit per-peer key upload.
5083 if (vif->type == NL80211_IFTYPE_ADHOC &&
5085 ath10k_mac_vif_update_wep_key(arvif, key);
5087 /* 802.1x never sets the def_wep_key_idx so each set_key()
5088 * call changes default tx key.
5090 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
5091 * after first set_key().
5093 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
5094 flags |= WMI_KEY_TX_USAGE;
5097 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5100 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
5101 arvif->vdev_id, peer_addr, ret);
5105 /* mac80211 sets static WEP keys as groupwise while firmware requires
5106 * them to be installed twice as both pairwise and groupwise.
5108 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
5110 flags2 &= ~WMI_KEY_GROUP;
5111 flags2 |= WMI_KEY_PAIRWISE;
5113 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
5116 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
5117 arvif->vdev_id, peer_addr, ret);
5118 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
5122 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
5123 arvif->vdev_id, peer_addr, ret2);
5129 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
5131 spin_lock_bh(&ar->data_lock);
5132 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5133 if (peer && cmd == SET_KEY)
5134 peer->keys[key->keyidx] = key;
5135 else if (peer && cmd == DISABLE_KEY)
5136 peer->keys[key->keyidx] = NULL;
5137 else if (peer == NULL)
5138 /* impossible unless FW goes crazy */
5139 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5140 spin_unlock_bh(&ar->data_lock);
5143 mutex_unlock(&ar->conf_mutex);
5147 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
5148 struct ieee80211_vif *vif,
5151 struct ath10k *ar = hw->priv;
5152 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5155 mutex_lock(&arvif->ar->conf_mutex);
5157 if (arvif->ar->state != ATH10K_STATE_ON)
5160 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
5161 arvif->vdev_id, keyidx);
5163 ret = ath10k_wmi_vdev_set_param(arvif->ar,
5165 arvif->ar->wmi.vdev_param->def_keyid,
5169 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
5175 arvif->def_wep_key_idx = keyidx;
5178 mutex_unlock(&arvif->ar->conf_mutex);
5181 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
5184 struct ath10k_vif *arvif;
5185 struct ath10k_sta *arsta;
5186 struct ieee80211_sta *sta;
5187 struct cfg80211_chan_def def;
5188 enum ieee80211_band band;
5189 const u8 *ht_mcs_mask;
5190 const u16 *vht_mcs_mask;
5191 u32 changed, bw, nss, smps;
5194 arsta = container_of(wk, struct ath10k_sta, update_wk);
5195 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
5196 arvif = arsta->arvif;
5199 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
5202 band = def.chan->band;
5203 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
5204 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
5206 spin_lock_bh(&ar->data_lock);
5208 changed = arsta->changed;
5215 spin_unlock_bh(&ar->data_lock);
5217 mutex_lock(&ar->conf_mutex);
5219 nss = max_t(u32, 1, nss);
5220 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5221 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5223 if (changed & IEEE80211_RC_BW_CHANGED) {
5224 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
5227 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5228 WMI_PEER_CHAN_WIDTH, bw);
5230 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
5231 sta->addr, bw, err);
5234 if (changed & IEEE80211_RC_NSS_CHANGED) {
5235 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
5238 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5241 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
5242 sta->addr, nss, err);
5245 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5246 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
5249 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5250 WMI_PEER_SMPS_STATE, smps);
5252 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
5253 sta->addr, smps, err);
5256 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
5257 changed & IEEE80211_RC_NSS_CHANGED) {
5258 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
5261 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
5263 ath10k_warn(ar, "failed to reassociate station: %pM\n",
5267 mutex_unlock(&ar->conf_mutex);
5270 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
5271 struct ieee80211_sta *sta)
5273 struct ath10k *ar = arvif->ar;
5275 lockdep_assert_held(&ar->conf_mutex);
5277 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5280 if (ar->num_stations >= ar->max_num_stations)
5288 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5289 struct ieee80211_sta *sta)
5291 struct ath10k *ar = arvif->ar;
5293 lockdep_assert_held(&ar->conf_mutex);
5295 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5301 struct ath10k_mac_tdls_iter_data {
5302 u32 num_tdls_stations;
5303 struct ieee80211_vif *curr_vif;
5306 static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5307 struct ieee80211_sta *sta)
5309 struct ath10k_mac_tdls_iter_data *iter_data = data;
5310 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5311 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5313 if (sta->tdls && sta_vif == iter_data->curr_vif)
5314 iter_data->num_tdls_stations++;
5317 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5318 struct ieee80211_vif *vif)
5320 struct ath10k_mac_tdls_iter_data data = {};
5322 data.curr_vif = vif;
5324 ieee80211_iterate_stations_atomic(hw,
5325 ath10k_mac_tdls_vif_stations_count_iter,
5327 return data.num_tdls_stations;
5330 static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5331 struct ieee80211_vif *vif)
5333 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5334 int *num_tdls_vifs = data;
5336 if (vif->type != NL80211_IFTYPE_STATION)
5339 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5343 static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5345 int num_tdls_vifs = 0;
5347 ieee80211_iterate_active_interfaces_atomic(hw,
5348 IEEE80211_IFACE_ITER_NORMAL,
5349 ath10k_mac_tdls_vifs_count_iter,
5351 return num_tdls_vifs;
5354 static int ath10k_sta_state(struct ieee80211_hw *hw,
5355 struct ieee80211_vif *vif,
5356 struct ieee80211_sta *sta,
5357 enum ieee80211_sta_state old_state,
5358 enum ieee80211_sta_state new_state)
5360 struct ath10k *ar = hw->priv;
5361 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5362 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5365 if (old_state == IEEE80211_STA_NOTEXIST &&
5366 new_state == IEEE80211_STA_NONE) {
5367 memset(arsta, 0, sizeof(*arsta));
5368 arsta->arvif = arvif;
5369 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5372 /* cancel must be done outside the mutex to avoid deadlock */
5373 if ((old_state == IEEE80211_STA_NONE &&
5374 new_state == IEEE80211_STA_NOTEXIST))
5375 cancel_work_sync(&arsta->update_wk);
5377 mutex_lock(&ar->conf_mutex);
5379 if (old_state == IEEE80211_STA_NOTEXIST &&
5380 new_state == IEEE80211_STA_NONE) {
5382 * New station addition.
5384 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5385 u32 num_tdls_stations;
5388 ath10k_dbg(ar, ATH10K_DBG_MAC,
5389 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5390 arvif->vdev_id, sta->addr,
5391 ar->num_stations + 1, ar->max_num_stations,
5392 ar->num_peers + 1, ar->max_num_peers);
5394 ret = ath10k_mac_inc_num_stations(arvif, sta);
5396 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5397 ar->max_num_stations);
5402 peer_type = WMI_PEER_TYPE_TDLS;
5404 ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr,
5407 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
5408 sta->addr, arvif->vdev_id, ret);
5409 ath10k_mac_dec_num_stations(arvif, sta);
5416 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5417 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5419 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5420 num_tdls_stations == 0) {
5421 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5422 arvif->vdev_id, ar->max_num_tdls_vdevs);
5423 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5424 ath10k_mac_dec_num_stations(arvif, sta);
5429 if (num_tdls_stations == 0) {
5430 /* This is the first tdls peer in current vif */
5431 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
5433 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5436 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5437 arvif->vdev_id, ret);
5438 ath10k_peer_delete(ar, arvif->vdev_id,
5440 ath10k_mac_dec_num_stations(arvif, sta);
5445 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5446 WMI_TDLS_PEER_STATE_PEERING);
5449 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5450 sta->addr, arvif->vdev_id, ret);
5451 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5452 ath10k_mac_dec_num_stations(arvif, sta);
5454 if (num_tdls_stations != 0)
5456 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5459 } else if ((old_state == IEEE80211_STA_NONE &&
5460 new_state == IEEE80211_STA_NOTEXIST)) {
5462 * Existing station deletion.
5464 ath10k_dbg(ar, ATH10K_DBG_MAC,
5465 "mac vdev %d peer delete %pM (sta gone)\n",
5466 arvif->vdev_id, sta->addr);
5468 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5470 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
5471 sta->addr, arvif->vdev_id, ret);
5473 ath10k_mac_dec_num_stations(arvif, sta);
5478 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5481 /* This was the last tdls peer in current vif */
5482 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5485 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5486 arvif->vdev_id, ret);
5488 } else if (old_state == IEEE80211_STA_AUTH &&
5489 new_state == IEEE80211_STA_ASSOC &&
5490 (vif->type == NL80211_IFTYPE_AP ||
5491 vif->type == NL80211_IFTYPE_MESH_POINT ||
5492 vif->type == NL80211_IFTYPE_ADHOC)) {
5496 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
5499 ret = ath10k_station_assoc(ar, vif, sta, false);
5501 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
5502 sta->addr, arvif->vdev_id, ret);
5503 } else if (old_state == IEEE80211_STA_ASSOC &&
5504 new_state == IEEE80211_STA_AUTHORIZED &&
5507 * Tdls station authorized.
5509 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5512 ret = ath10k_station_assoc(ar, vif, sta, false);
5514 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5515 sta->addr, arvif->vdev_id, ret);
5519 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5520 WMI_TDLS_PEER_STATE_CONNECTED);
5522 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5523 sta->addr, arvif->vdev_id, ret);
5524 } else if (old_state == IEEE80211_STA_ASSOC &&
5525 new_state == IEEE80211_STA_AUTH &&
5526 (vif->type == NL80211_IFTYPE_AP ||
5527 vif->type == NL80211_IFTYPE_MESH_POINT ||
5528 vif->type == NL80211_IFTYPE_ADHOC)) {
5532 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
5535 ret = ath10k_station_disassoc(ar, vif, sta);
5537 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
5538 sta->addr, arvif->vdev_id, ret);
5541 mutex_unlock(&ar->conf_mutex);
5545 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5546 u16 ac, bool enable)
5548 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5549 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5550 u32 prio = 0, acc = 0;
5554 lockdep_assert_held(&ar->conf_mutex);
5556 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5560 case IEEE80211_AC_VO:
5561 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5562 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
5566 case IEEE80211_AC_VI:
5567 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5568 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
5572 case IEEE80211_AC_BE:
5573 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5574 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
5578 case IEEE80211_AC_BK:
5579 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5580 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
5587 arvif->u.sta.uapsd |= value;
5589 arvif->u.sta.uapsd &= ~value;
5591 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5592 WMI_STA_PS_PARAM_UAPSD,
5593 arvif->u.sta.uapsd);
5595 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5599 if (arvif->u.sta.uapsd)
5600 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5602 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5604 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5605 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5608 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5610 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5612 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5613 arvif->vdev_id, ret);
5617 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5619 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
5620 arvif->vdev_id, ret);
5624 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
5625 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
5626 /* Only userspace can make an educated decision when to send
5627 * trigger frame. The following effectively disables u-UAPSD
5628 * autotrigger in firmware (which is enabled by default
5629 * provided the autotrigger service is available).
5633 arg.user_priority = prio;
5634 arg.service_interval = 0;
5635 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5636 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5638 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
5639 arvif->bssid, &arg, 1);
5641 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
5651 static int ath10k_conf_tx(struct ieee80211_hw *hw,
5652 struct ieee80211_vif *vif, u16 ac,
5653 const struct ieee80211_tx_queue_params *params)
5655 struct ath10k *ar = hw->priv;
5656 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5657 struct wmi_wmm_params_arg *p = NULL;
5660 mutex_lock(&ar->conf_mutex);
5663 case IEEE80211_AC_VO:
5664 p = &arvif->wmm_params.ac_vo;
5666 case IEEE80211_AC_VI:
5667 p = &arvif->wmm_params.ac_vi;
5669 case IEEE80211_AC_BE:
5670 p = &arvif->wmm_params.ac_be;
5672 case IEEE80211_AC_BK:
5673 p = &arvif->wmm_params.ac_bk;
5682 p->cwmin = params->cw_min;
5683 p->cwmax = params->cw_max;
5684 p->aifs = params->aifs;
5687 * The channel time duration programmed in the HW is in absolute
5688 * microseconds, while mac80211 gives the txop in units of
5691 p->txop = params->txop * 32;
5693 if (ar->wmi.ops->gen_vdev_wmm_conf) {
5694 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
5695 &arvif->wmm_params);
5697 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
5698 arvif->vdev_id, ret);
5702 /* This won't work well with multi-interface cases but it's
5703 * better than nothing.
5705 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
5707 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
5712 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5714 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
5717 mutex_unlock(&ar->conf_mutex);
5721 #define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
5723 static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
5724 struct ieee80211_vif *vif,
5725 struct ieee80211_channel *chan,
5727 enum ieee80211_roc_type type)
5729 struct ath10k *ar = hw->priv;
5730 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5731 struct wmi_start_scan_arg arg;
5735 mutex_lock(&ar->conf_mutex);
5737 spin_lock_bh(&ar->data_lock);
5738 switch (ar->scan.state) {
5739 case ATH10K_SCAN_IDLE:
5740 reinit_completion(&ar->scan.started);
5741 reinit_completion(&ar->scan.completed);
5742 reinit_completion(&ar->scan.on_channel);
5743 ar->scan.state = ATH10K_SCAN_STARTING;
5744 ar->scan.is_roc = true;
5745 ar->scan.vdev_id = arvif->vdev_id;
5746 ar->scan.roc_freq = chan->center_freq;
5747 ar->scan.roc_notify = true;
5750 case ATH10K_SCAN_STARTING:
5751 case ATH10K_SCAN_RUNNING:
5752 case ATH10K_SCAN_ABORTING:
5756 spin_unlock_bh(&ar->data_lock);
5761 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
5763 memset(&arg, 0, sizeof(arg));
5764 ath10k_wmi_start_scan_init(ar, &arg);
5765 arg.vdev_id = arvif->vdev_id;
5766 arg.scan_id = ATH10K_SCAN_ID;
5768 arg.channels[0] = chan->center_freq;
5769 arg.dwell_time_active = scan_time_msec;
5770 arg.dwell_time_passive = scan_time_msec;
5771 arg.max_scan_time = scan_time_msec;
5772 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5773 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
5774 arg.burst_duration_ms = duration;
5776 ret = ath10k_start_scan(ar, &arg);
5778 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
5779 spin_lock_bh(&ar->data_lock);
5780 ar->scan.state = ATH10K_SCAN_IDLE;
5781 spin_unlock_bh(&ar->data_lock);
5785 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
5787 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
5789 ret = ath10k_scan_stop(ar);
5791 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5797 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5798 msecs_to_jiffies(duration));
5802 mutex_unlock(&ar->conf_mutex);
5806 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
5808 struct ath10k *ar = hw->priv;
5810 mutex_lock(&ar->conf_mutex);
5812 spin_lock_bh(&ar->data_lock);
5813 ar->scan.roc_notify = false;
5814 spin_unlock_bh(&ar->data_lock);
5816 ath10k_scan_abort(ar);
5818 mutex_unlock(&ar->conf_mutex);
5820 cancel_delayed_work_sync(&ar->scan.timeout);
5826 * Both RTS and Fragmentation threshold are interface-specific
5827 * in ath10k, but device-specific in mac80211.
5830 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5832 struct ath10k *ar = hw->priv;
5833 struct ath10k_vif *arvif;
5836 mutex_lock(&ar->conf_mutex);
5837 list_for_each_entry(arvif, &ar->arvifs, list) {
5838 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
5839 arvif->vdev_id, value);
5841 ret = ath10k_mac_set_rts(arvif, value);
5843 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
5844 arvif->vdev_id, ret);
5848 mutex_unlock(&ar->conf_mutex);
5853 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
5855 /* Even though there's a WMI enum for fragmentation threshold no known
5856 * firmware actually implements it. Moreover it is not possible to rely
5857 * frame fragmentation to mac80211 because firmware clears the "more
5858 * fragments" bit in frame control making it impossible for remote
5859 * devices to reassemble frames.
5861 * Hence implement a dummy callback just to say fragmentation isn't
5862 * supported. This effectively prevents mac80211 from doing frame
5863 * fragmentation in software.
5868 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5869 u32 queues, bool drop)
5871 struct ath10k *ar = hw->priv;
5875 /* mac80211 doesn't care if we really xmit queued frames or not
5876 * we'll collect those frames either way if we stop/delete vdevs */
5880 mutex_lock(&ar->conf_mutex);
5882 if (ar->state == ATH10K_STATE_WEDGED)
5885 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
5888 spin_lock_bh(&ar->htt.tx_lock);
5889 empty = (ar->htt.num_pending_tx == 0);
5890 spin_unlock_bh(&ar->htt.tx_lock);
5892 skip = (ar->state == ATH10K_STATE_WEDGED) ||
5893 test_bit(ATH10K_FLAG_CRASH_FLUSH,
5897 }), ATH10K_FLUSH_TIMEOUT_HZ);
5899 if (time_left == 0 || skip)
5900 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
5901 skip, ar->state, time_left);
5904 mutex_unlock(&ar->conf_mutex);
5907 /* TODO: Implement this function properly
5908 * For now it is needed to reply to Probe Requests in IBSS mode.
5909 * Propably we need this information from FW.
5911 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
5916 static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
5917 enum ieee80211_reconfig_type reconfig_type)
5919 struct ath10k *ar = hw->priv;
5921 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
5924 mutex_lock(&ar->conf_mutex);
5926 /* If device failed to restart it will be in a different state, e.g.
5927 * ATH10K_STATE_WEDGED */
5928 if (ar->state == ATH10K_STATE_RESTARTED) {
5929 ath10k_info(ar, "device successfully recovered\n");
5930 ar->state = ATH10K_STATE_ON;
5931 ieee80211_wake_queues(ar->hw);
5934 mutex_unlock(&ar->conf_mutex);
5937 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
5938 struct survey_info *survey)
5940 struct ath10k *ar = hw->priv;
5941 struct ieee80211_supported_band *sband;
5942 struct survey_info *ar_survey = &ar->survey[idx];
5945 mutex_lock(&ar->conf_mutex);
5947 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
5948 if (sband && idx >= sband->n_channels) {
5949 idx -= sband->n_channels;
5954 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
5956 if (!sband || idx >= sband->n_channels) {
5961 spin_lock_bh(&ar->data_lock);
5962 memcpy(survey, ar_survey, sizeof(*survey));
5963 spin_unlock_bh(&ar->data_lock);
5965 survey->channel = &sband->channels[idx];
5967 if (ar->rx_channel == survey->channel)
5968 survey->filled |= SURVEY_INFO_IN_USE;
5971 mutex_unlock(&ar->conf_mutex);
5976 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
5977 enum ieee80211_band band,
5978 const struct cfg80211_bitrate_mask *mask)
5983 num_rates += hweight32(mask->control[band].legacy);
5985 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
5986 num_rates += hweight8(mask->control[band].ht_mcs[i]);
5988 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
5989 num_rates += hweight16(mask->control[band].vht_mcs[i]);
5991 return num_rates == 1;
5995 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
5996 enum ieee80211_band band,
5997 const struct cfg80211_bitrate_mask *mask,
6000 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6001 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
6003 u8 vht_nss_mask = 0;
6006 if (mask->control[band].legacy)
6009 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6010 if (mask->control[band].ht_mcs[i] == 0)
6012 else if (mask->control[band].ht_mcs[i] ==
6013 sband->ht_cap.mcs.rx_mask[i])
6014 ht_nss_mask |= BIT(i);
6019 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6020 if (mask->control[band].vht_mcs[i] == 0)
6022 else if (mask->control[band].vht_mcs[i] ==
6023 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
6024 vht_nss_mask |= BIT(i);
6029 if (ht_nss_mask != vht_nss_mask)
6032 if (ht_nss_mask == 0)
6035 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
6038 *nss = fls(ht_nss_mask);
6044 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
6045 enum ieee80211_band band,
6046 const struct cfg80211_bitrate_mask *mask,
6049 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6056 if (hweight32(mask->control[band].legacy) == 1) {
6057 rate_idx = ffs(mask->control[band].legacy) - 1;
6059 hw_rate = sband->bitrates[rate_idx].hw_value;
6060 bitrate = sband->bitrates[rate_idx].bitrate;
6062 if (ath10k_mac_bitrate_is_cck(bitrate))
6063 preamble = WMI_RATE_PREAMBLE_CCK;
6065 preamble = WMI_RATE_PREAMBLE_OFDM;
6068 *rate = preamble << 6 |
6075 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6076 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
6078 *rate = WMI_RATE_PREAMBLE_HT << 6 |
6080 (ffs(mask->control[band].ht_mcs[i]) - 1);
6086 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6087 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
6089 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
6091 (ffs(mask->control[band].vht_mcs[i]) - 1);
6100 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
6101 u8 rate, u8 nss, u8 sgi, u8 ldpc)
6103 struct ath10k *ar = arvif->ar;
6107 lockdep_assert_held(&ar->conf_mutex);
6109 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
6110 arvif->vdev_id, rate, nss, sgi);
6112 vdev_param = ar->wmi.vdev_param->fixed_rate;
6113 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
6115 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
6120 vdev_param = ar->wmi.vdev_param->nss;
6121 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
6123 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
6127 vdev_param = ar->wmi.vdev_param->sgi;
6128 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
6130 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
6134 vdev_param = ar->wmi.vdev_param->ldpc;
6135 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
6137 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
6145 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
6146 enum ieee80211_band band,
6147 const struct cfg80211_bitrate_mask *mask)
6152 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
6153 * to express all VHT MCS rate masks. Effectively only the following
6154 * ranges can be used: none, 0-7, 0-8 and 0-9.
6156 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
6157 vht_mcs = mask->control[band].vht_mcs[i];
6166 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
6174 static void ath10k_mac_set_bitrate_mask_iter(void *data,
6175 struct ieee80211_sta *sta)
6177 struct ath10k_vif *arvif = data;
6178 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6179 struct ath10k *ar = arvif->ar;
6181 if (arsta->arvif != arvif)
6184 spin_lock_bh(&ar->data_lock);
6185 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
6186 spin_unlock_bh(&ar->data_lock);
6188 ieee80211_queue_work(ar->hw, &arsta->update_wk);
6191 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
6192 struct ieee80211_vif *vif,
6193 const struct cfg80211_bitrate_mask *mask)
6195 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6196 struct cfg80211_chan_def def;
6197 struct ath10k *ar = arvif->ar;
6198 enum ieee80211_band band;
6199 const u8 *ht_mcs_mask;
6200 const u16 *vht_mcs_mask;
6208 if (ath10k_mac_vif_chan(vif, &def))
6211 band = def.chan->band;
6212 ht_mcs_mask = mask->control[band].ht_mcs;
6213 vht_mcs_mask = mask->control[band].vht_mcs;
6214 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
6216 sgi = mask->control[band].gi;
6217 if (sgi == NL80211_TXRATE_FORCE_LGI)
6220 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
6221 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
6224 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
6225 arvif->vdev_id, ret);
6228 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
6230 rate = WMI_FIXED_RATE_NONE;
6233 rate = WMI_FIXED_RATE_NONE;
6234 nss = min(ar->num_rf_chains,
6235 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
6236 ath10k_mac_max_vht_nss(vht_mcs_mask)));
6238 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
6241 mutex_lock(&ar->conf_mutex);
6243 arvif->bitrate_mask = *mask;
6244 ieee80211_iterate_stations_atomic(ar->hw,
6245 ath10k_mac_set_bitrate_mask_iter,
6248 mutex_unlock(&ar->conf_mutex);
6251 mutex_lock(&ar->conf_mutex);
6253 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6255 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
6256 arvif->vdev_id, ret);
6261 mutex_unlock(&ar->conf_mutex);
6266 static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
6267 struct ieee80211_vif *vif,
6268 struct ieee80211_sta *sta,
6271 struct ath10k *ar = hw->priv;
6272 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6275 spin_lock_bh(&ar->data_lock);
6277 ath10k_dbg(ar, ATH10K_DBG_MAC,
6278 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
6279 sta->addr, changed, sta->bandwidth, sta->rx_nss,
6282 if (changed & IEEE80211_RC_BW_CHANGED) {
6283 bw = WMI_PEER_CHWIDTH_20MHZ;
6285 switch (sta->bandwidth) {
6286 case IEEE80211_STA_RX_BW_20:
6287 bw = WMI_PEER_CHWIDTH_20MHZ;
6289 case IEEE80211_STA_RX_BW_40:
6290 bw = WMI_PEER_CHWIDTH_40MHZ;
6292 case IEEE80211_STA_RX_BW_80:
6293 bw = WMI_PEER_CHWIDTH_80MHZ;
6295 case IEEE80211_STA_RX_BW_160:
6296 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
6297 sta->bandwidth, sta->addr);
6298 bw = WMI_PEER_CHWIDTH_20MHZ;
6305 if (changed & IEEE80211_RC_NSS_CHANGED)
6306 arsta->nss = sta->rx_nss;
6308 if (changed & IEEE80211_RC_SMPS_CHANGED) {
6309 smps = WMI_PEER_SMPS_PS_NONE;
6311 switch (sta->smps_mode) {
6312 case IEEE80211_SMPS_AUTOMATIC:
6313 case IEEE80211_SMPS_OFF:
6314 smps = WMI_PEER_SMPS_PS_NONE;
6316 case IEEE80211_SMPS_STATIC:
6317 smps = WMI_PEER_SMPS_STATIC;
6319 case IEEE80211_SMPS_DYNAMIC:
6320 smps = WMI_PEER_SMPS_DYNAMIC;
6322 case IEEE80211_SMPS_NUM_MODES:
6323 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
6324 sta->smps_mode, sta->addr);
6325 smps = WMI_PEER_SMPS_PS_NONE;
6332 arsta->changed |= changed;
6334 spin_unlock_bh(&ar->data_lock);
6336 ieee80211_queue_work(hw, &arsta->update_wk);
6339 static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6342 * FIXME: Return 0 for time being. Need to figure out whether FW
6343 * has the API to fetch 64-bit local TSF
6349 static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6350 struct ieee80211_vif *vif,
6351 enum ieee80211_ampdu_mlme_action action,
6352 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6353 u8 buf_size, bool amsdu)
6355 struct ath10k *ar = hw->priv;
6356 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6358 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
6359 arvif->vdev_id, sta->addr, tid, action);
6362 case IEEE80211_AMPDU_RX_START:
6363 case IEEE80211_AMPDU_RX_STOP:
6364 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6365 * creation/removal. Do we need to verify this?
6368 case IEEE80211_AMPDU_TX_START:
6369 case IEEE80211_AMPDU_TX_STOP_CONT:
6370 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6371 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6372 case IEEE80211_AMPDU_TX_OPERATIONAL:
6373 /* Firmware offloads Tx aggregation entirely so deny mac80211
6374 * Tx aggregation requests.
6383 ath10k_mac_update_rx_channel(struct ath10k *ar,
6384 struct ieee80211_chanctx_conf *ctx,
6385 struct ieee80211_vif_chanctx_switch *vifs,
6388 struct cfg80211_chan_def *def = NULL;
6390 /* Both locks are required because ar->rx_channel is modified. This
6391 * allows readers to hold either lock.
6393 lockdep_assert_held(&ar->conf_mutex);
6394 lockdep_assert_held(&ar->data_lock);
6396 WARN_ON(ctx && vifs);
6397 WARN_ON(vifs && n_vifs != 1);
6399 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6400 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6401 * ppdu on Rx may reduce performance on low-end systems. It should be
6402 * possible to make tables/hashmaps to speed the lookup up (be vary of
6403 * cpu data cache lines though regarding sizes) but to keep the initial
6404 * implementation simple and less intrusive fallback to the slow lookup
6405 * only for multi-channel cases. Single-channel cases will remain to
6406 * use the old channel derival and thus performance should not be
6410 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
6411 ieee80211_iter_chan_contexts_atomic(ar->hw,
6412 ath10k_mac_get_any_chandef_iter,
6416 def = &vifs[0].new_ctx->def;
6418 ar->rx_channel = def->chan;
6419 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6420 ar->rx_channel = ctx->def.chan;
6422 ar->rx_channel = NULL;
6428 ath10k_mac_update_vif_chan(struct ath10k *ar,
6429 struct ieee80211_vif_chanctx_switch *vifs,
6432 struct ath10k_vif *arvif;
6436 lockdep_assert_held(&ar->conf_mutex);
6438 /* First stop monitor interface. Some FW versions crash if there's a
6439 * lone monitor interface.
6441 if (ar->monitor_started)
6442 ath10k_monitor_stop(ar);
6444 for (i = 0; i < n_vifs; i++) {
6445 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6447 ath10k_dbg(ar, ATH10K_DBG_MAC,
6448 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
6450 vifs[i].old_ctx->def.chan->center_freq,
6451 vifs[i].new_ctx->def.chan->center_freq,
6452 vifs[i].old_ctx->def.width,
6453 vifs[i].new_ctx->def.width);
6455 if (WARN_ON(!arvif->is_started))
6458 if (WARN_ON(!arvif->is_up))
6461 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6463 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6464 arvif->vdev_id, ret);
6469 /* All relevant vdevs are downed and associated channel resources
6470 * should be available for the channel switch now.
6473 spin_lock_bh(&ar->data_lock);
6474 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
6475 spin_unlock_bh(&ar->data_lock);
6477 for (i = 0; i < n_vifs; i++) {
6478 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6480 if (WARN_ON(!arvif->is_started))
6483 if (WARN_ON(!arvif->is_up))
6486 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6488 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6491 ret = ath10k_mac_setup_prb_tmpl(arvif);
6493 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6496 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6498 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6499 arvif->vdev_id, ret);
6503 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6506 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6507 arvif->vdev_id, ret);
6512 ath10k_monitor_recalc(ar);
6516 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6517 struct ieee80211_chanctx_conf *ctx)
6519 struct ath10k *ar = hw->priv;
6521 ath10k_dbg(ar, ATH10K_DBG_MAC,
6522 "mac chanctx add freq %hu width %d ptr %p\n",
6523 ctx->def.chan->center_freq, ctx->def.width, ctx);
6525 mutex_lock(&ar->conf_mutex);
6527 spin_lock_bh(&ar->data_lock);
6528 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
6529 spin_unlock_bh(&ar->data_lock);
6531 ath10k_recalc_radar_detection(ar);
6532 ath10k_monitor_recalc(ar);
6534 mutex_unlock(&ar->conf_mutex);
6540 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6541 struct ieee80211_chanctx_conf *ctx)
6543 struct ath10k *ar = hw->priv;
6545 ath10k_dbg(ar, ATH10K_DBG_MAC,
6546 "mac chanctx remove freq %hu width %d ptr %p\n",
6547 ctx->def.chan->center_freq, ctx->def.width, ctx);
6549 mutex_lock(&ar->conf_mutex);
6551 spin_lock_bh(&ar->data_lock);
6552 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
6553 spin_unlock_bh(&ar->data_lock);
6555 ath10k_recalc_radar_detection(ar);
6556 ath10k_monitor_recalc(ar);
6558 mutex_unlock(&ar->conf_mutex);
6561 struct ath10k_mac_change_chanctx_arg {
6562 struct ieee80211_chanctx_conf *ctx;
6563 struct ieee80211_vif_chanctx_switch *vifs;
6569 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
6570 struct ieee80211_vif *vif)
6572 struct ath10k_mac_change_chanctx_arg *arg = data;
6574 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
6581 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
6582 struct ieee80211_vif *vif)
6584 struct ath10k_mac_change_chanctx_arg *arg = data;
6585 struct ieee80211_chanctx_conf *ctx;
6587 ctx = rcu_access_pointer(vif->chanctx_conf);
6588 if (ctx != arg->ctx)
6591 if (WARN_ON(arg->next_vif == arg->n_vifs))
6594 arg->vifs[arg->next_vif].vif = vif;
6595 arg->vifs[arg->next_vif].old_ctx = ctx;
6596 arg->vifs[arg->next_vif].new_ctx = ctx;
6601 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6602 struct ieee80211_chanctx_conf *ctx,
6605 struct ath10k *ar = hw->priv;
6606 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
6608 mutex_lock(&ar->conf_mutex);
6610 ath10k_dbg(ar, ATH10K_DBG_MAC,
6611 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6612 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
6614 /* This shouldn't really happen because channel switching should use
6615 * switch_vif_chanctx().
6617 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
6620 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
6621 ieee80211_iterate_active_interfaces_atomic(
6623 IEEE80211_IFACE_ITER_NORMAL,
6624 ath10k_mac_change_chanctx_cnt_iter,
6626 if (arg.n_vifs == 0)
6629 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
6634 ieee80211_iterate_active_interfaces_atomic(
6636 IEEE80211_IFACE_ITER_NORMAL,
6637 ath10k_mac_change_chanctx_fill_iter,
6639 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
6644 ath10k_recalc_radar_detection(ar);
6646 /* FIXME: How to configure Rx chains properly? */
6648 /* No other actions are actually necessary. Firmware maintains channel
6649 * definitions per vdev internally and there's no host-side channel
6650 * context abstraction to configure, e.g. channel width.
6654 mutex_unlock(&ar->conf_mutex);
6658 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
6659 struct ieee80211_vif *vif,
6660 struct ieee80211_chanctx_conf *ctx)
6662 struct ath10k *ar = hw->priv;
6663 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6666 mutex_lock(&ar->conf_mutex);
6668 ath10k_dbg(ar, ATH10K_DBG_MAC,
6669 "mac chanctx assign ptr %p vdev_id %i\n",
6670 ctx, arvif->vdev_id);
6672 if (WARN_ON(arvif->is_started)) {
6673 mutex_unlock(&ar->conf_mutex);
6677 ret = ath10k_vdev_start(arvif, &ctx->def);
6679 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
6680 arvif->vdev_id, vif->addr,
6681 ctx->def.chan->center_freq, ret);
6685 arvif->is_started = true;
6687 ret = ath10k_mac_vif_setup_ps(arvif);
6689 ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
6690 arvif->vdev_id, ret);
6694 if (vif->type == NL80211_IFTYPE_MONITOR) {
6695 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
6697 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
6698 arvif->vdev_id, ret);
6702 arvif->is_up = true;
6705 mutex_unlock(&ar->conf_mutex);
6709 ath10k_vdev_stop(arvif);
6710 arvif->is_started = false;
6711 ath10k_mac_vif_setup_ps(arvif);
6714 mutex_unlock(&ar->conf_mutex);
6719 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
6720 struct ieee80211_vif *vif,
6721 struct ieee80211_chanctx_conf *ctx)
6723 struct ath10k *ar = hw->priv;
6724 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6727 mutex_lock(&ar->conf_mutex);
6729 ath10k_dbg(ar, ATH10K_DBG_MAC,
6730 "mac chanctx unassign ptr %p vdev_id %i\n",
6731 ctx, arvif->vdev_id);
6733 WARN_ON(!arvif->is_started);
6735 if (vif->type == NL80211_IFTYPE_MONITOR) {
6736 WARN_ON(!arvif->is_up);
6738 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6740 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
6741 arvif->vdev_id, ret);
6743 arvif->is_up = false;
6746 ret = ath10k_vdev_stop(arvif);
6748 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
6749 arvif->vdev_id, ret);
6751 arvif->is_started = false;
6753 mutex_unlock(&ar->conf_mutex);
6757 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
6758 struct ieee80211_vif_chanctx_switch *vifs,
6760 enum ieee80211_chanctx_switch_mode mode)
6762 struct ath10k *ar = hw->priv;
6764 mutex_lock(&ar->conf_mutex);
6766 ath10k_dbg(ar, ATH10K_DBG_MAC,
6767 "mac chanctx switch n_vifs %d mode %d\n",
6769 ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
6771 mutex_unlock(&ar->conf_mutex);
6775 static const struct ieee80211_ops ath10k_ops = {
6777 .start = ath10k_start,
6778 .stop = ath10k_stop,
6779 .config = ath10k_config,
6780 .add_interface = ath10k_add_interface,
6781 .remove_interface = ath10k_remove_interface,
6782 .configure_filter = ath10k_configure_filter,
6783 .bss_info_changed = ath10k_bss_info_changed,
6784 .hw_scan = ath10k_hw_scan,
6785 .cancel_hw_scan = ath10k_cancel_hw_scan,
6786 .set_key = ath10k_set_key,
6787 .set_default_unicast_key = ath10k_set_default_unicast_key,
6788 .sta_state = ath10k_sta_state,
6789 .conf_tx = ath10k_conf_tx,
6790 .remain_on_channel = ath10k_remain_on_channel,
6791 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
6792 .set_rts_threshold = ath10k_set_rts_threshold,
6793 .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
6794 .flush = ath10k_flush,
6795 .tx_last_beacon = ath10k_tx_last_beacon,
6796 .set_antenna = ath10k_set_antenna,
6797 .get_antenna = ath10k_get_antenna,
6798 .reconfig_complete = ath10k_reconfig_complete,
6799 .get_survey = ath10k_get_survey,
6800 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
6801 .sta_rc_update = ath10k_sta_rc_update,
6802 .get_tsf = ath10k_get_tsf,
6803 .ampdu_action = ath10k_ampdu_action,
6804 .get_et_sset_count = ath10k_debug_get_et_sset_count,
6805 .get_et_stats = ath10k_debug_get_et_stats,
6806 .get_et_strings = ath10k_debug_get_et_strings,
6807 .add_chanctx = ath10k_mac_op_add_chanctx,
6808 .remove_chanctx = ath10k_mac_op_remove_chanctx,
6809 .change_chanctx = ath10k_mac_op_change_chanctx,
6810 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
6811 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
6812 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
6814 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
6817 .suspend = ath10k_wow_op_suspend,
6818 .resume = ath10k_wow_op_resume,
6820 #ifdef CONFIG_MAC80211_DEBUGFS
6821 .sta_add_debugfs = ath10k_sta_add_debugfs,
6825 #define CHAN2G(_channel, _freq, _flags) { \
6826 .band = IEEE80211_BAND_2GHZ, \
6827 .hw_value = (_channel), \
6828 .center_freq = (_freq), \
6829 .flags = (_flags), \
6830 .max_antenna_gain = 0, \
6834 #define CHAN5G(_channel, _freq, _flags) { \
6835 .band = IEEE80211_BAND_5GHZ, \
6836 .hw_value = (_channel), \
6837 .center_freq = (_freq), \
6838 .flags = (_flags), \
6839 .max_antenna_gain = 0, \
6843 static const struct ieee80211_channel ath10k_2ghz_channels[] = {
6853 CHAN2G(10, 2457, 0),
6854 CHAN2G(11, 2462, 0),
6855 CHAN2G(12, 2467, 0),
6856 CHAN2G(13, 2472, 0),
6857 CHAN2G(14, 2484, 0),
6860 static const struct ieee80211_channel ath10k_5ghz_channels[] = {
6861 CHAN5G(36, 5180, 0),
6862 CHAN5G(40, 5200, 0),
6863 CHAN5G(44, 5220, 0),
6864 CHAN5G(48, 5240, 0),
6865 CHAN5G(52, 5260, 0),
6866 CHAN5G(56, 5280, 0),
6867 CHAN5G(60, 5300, 0),
6868 CHAN5G(64, 5320, 0),
6869 CHAN5G(100, 5500, 0),
6870 CHAN5G(104, 5520, 0),
6871 CHAN5G(108, 5540, 0),
6872 CHAN5G(112, 5560, 0),
6873 CHAN5G(116, 5580, 0),
6874 CHAN5G(120, 5600, 0),
6875 CHAN5G(124, 5620, 0),
6876 CHAN5G(128, 5640, 0),
6877 CHAN5G(132, 5660, 0),
6878 CHAN5G(136, 5680, 0),
6879 CHAN5G(140, 5700, 0),
6880 CHAN5G(144, 5720, 0),
6881 CHAN5G(149, 5745, 0),
6882 CHAN5G(153, 5765, 0),
6883 CHAN5G(157, 5785, 0),
6884 CHAN5G(161, 5805, 0),
6885 CHAN5G(165, 5825, 0),
6888 struct ath10k *ath10k_mac_create(size_t priv_size)
6890 struct ieee80211_hw *hw;
6893 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
6903 void ath10k_mac_destroy(struct ath10k *ar)
6905 ieee80211_free_hw(ar->hw);
6908 static const struct ieee80211_iface_limit ath10k_if_limits[] = {
6911 .types = BIT(NL80211_IFTYPE_STATION)
6912 | BIT(NL80211_IFTYPE_P2P_CLIENT)
6916 .types = BIT(NL80211_IFTYPE_P2P_GO)
6920 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
6924 .types = BIT(NL80211_IFTYPE_AP)
6925 #ifdef CONFIG_MAC80211_MESH
6926 | BIT(NL80211_IFTYPE_MESH_POINT)
6931 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
6934 .types = BIT(NL80211_IFTYPE_AP)
6935 #ifdef CONFIG_MAC80211_MESH
6936 | BIT(NL80211_IFTYPE_MESH_POINT)
6941 static const struct ieee80211_iface_combination ath10k_if_comb[] = {
6943 .limits = ath10k_if_limits,
6944 .n_limits = ARRAY_SIZE(ath10k_if_limits),
6945 .max_interfaces = 8,
6946 .num_different_channels = 1,
6947 .beacon_int_infra_match = true,
6951 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
6953 .limits = ath10k_10x_if_limits,
6954 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
6955 .max_interfaces = 8,
6956 .num_different_channels = 1,
6957 .beacon_int_infra_match = true,
6958 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
6959 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6960 BIT(NL80211_CHAN_WIDTH_20) |
6961 BIT(NL80211_CHAN_WIDTH_40) |
6962 BIT(NL80211_CHAN_WIDTH_80),
6967 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
6970 .types = BIT(NL80211_IFTYPE_STATION),
6974 .types = BIT(NL80211_IFTYPE_AP) |
6975 #ifdef CONFIG_MAC80211_MESH
6976 BIT(NL80211_IFTYPE_MESH_POINT) |
6978 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6979 BIT(NL80211_IFTYPE_P2P_GO),
6983 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
6987 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
6990 .types = BIT(NL80211_IFTYPE_STATION),
6994 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
6998 .types = BIT(NL80211_IFTYPE_AP) |
6999 #ifdef CONFIG_MAC80211_MESH
7000 BIT(NL80211_IFTYPE_MESH_POINT) |
7002 BIT(NL80211_IFTYPE_P2P_GO),
7006 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7010 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
7013 .types = BIT(NL80211_IFTYPE_STATION),
7017 .types = BIT(NL80211_IFTYPE_ADHOC),
7021 /* FIXME: This is not thouroughly tested. These combinations may over- or
7022 * underestimate hw/fw capabilities.
7024 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
7026 .limits = ath10k_tlv_if_limit,
7027 .num_different_channels = 1,
7028 .max_interfaces = 4,
7029 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7032 .limits = ath10k_tlv_if_limit_ibss,
7033 .num_different_channels = 1,
7034 .max_interfaces = 2,
7035 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7039 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
7041 .limits = ath10k_tlv_if_limit,
7042 .num_different_channels = 1,
7043 .max_interfaces = 4,
7044 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7047 .limits = ath10k_tlv_qcs_if_limit,
7048 .num_different_channels = 2,
7049 .max_interfaces = 4,
7050 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
7053 .limits = ath10k_tlv_if_limit_ibss,
7054 .num_different_channels = 1,
7055 .max_interfaces = 2,
7056 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7060 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
7063 .types = BIT(NL80211_IFTYPE_STATION),
7067 .types = BIT(NL80211_IFTYPE_AP)
7068 #ifdef CONFIG_MAC80211_MESH
7069 | BIT(NL80211_IFTYPE_MESH_POINT)
7074 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
7076 .limits = ath10k_10_4_if_limits,
7077 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
7078 .max_interfaces = 16,
7079 .num_different_channels = 1,
7080 .beacon_int_infra_match = true,
7081 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7082 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7083 BIT(NL80211_CHAN_WIDTH_20) |
7084 BIT(NL80211_CHAN_WIDTH_40) |
7085 BIT(NL80211_CHAN_WIDTH_80),
7090 static void ath10k_get_arvif_iter(void *data, u8 *mac,
7091 struct ieee80211_vif *vif)
7093 struct ath10k_vif_iter *arvif_iter = data;
7094 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
7096 if (arvif->vdev_id == arvif_iter->vdev_id)
7097 arvif_iter->arvif = arvif;
7100 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
7102 struct ath10k_vif_iter arvif_iter;
7105 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
7106 arvif_iter.vdev_id = vdev_id;
7108 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
7109 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7111 ath10k_get_arvif_iter,
7113 if (!arvif_iter.arvif) {
7114 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
7118 return arvif_iter.arvif;
7121 int ath10k_mac_register(struct ath10k *ar)
7123 static const u32 cipher_suites[] = {
7124 WLAN_CIPHER_SUITE_WEP40,
7125 WLAN_CIPHER_SUITE_WEP104,
7126 WLAN_CIPHER_SUITE_TKIP,
7127 WLAN_CIPHER_SUITE_CCMP,
7128 WLAN_CIPHER_SUITE_AES_CMAC,
7130 struct ieee80211_supported_band *band;
7134 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
7136 SET_IEEE80211_DEV(ar->hw, ar->dev);
7138 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
7139 ARRAY_SIZE(ath10k_5ghz_channels)) !=
7142 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
7143 channels = kmemdup(ath10k_2ghz_channels,
7144 sizeof(ath10k_2ghz_channels),
7151 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
7152 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
7153 band->channels = channels;
7154 band->n_bitrates = ath10k_g_rates_size;
7155 band->bitrates = ath10k_g_rates;
7157 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
7160 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
7161 channels = kmemdup(ath10k_5ghz_channels,
7162 sizeof(ath10k_5ghz_channels),
7169 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
7170 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
7171 band->channels = channels;
7172 band->n_bitrates = ath10k_a_rates_size;
7173 band->bitrates = ath10k_a_rates;
7174 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
7177 ath10k_mac_setup_ht_vht_cap(ar);
7179 ar->hw->wiphy->interface_modes =
7180 BIT(NL80211_IFTYPE_STATION) |
7181 BIT(NL80211_IFTYPE_AP) |
7182 BIT(NL80211_IFTYPE_MESH_POINT);
7184 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask;
7185 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask;
7187 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
7188 ar->hw->wiphy->interface_modes |=
7189 BIT(NL80211_IFTYPE_P2P_DEVICE) |
7190 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7191 BIT(NL80211_IFTYPE_P2P_GO);
7193 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
7194 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
7195 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
7196 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
7197 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
7198 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
7199 ieee80211_hw_set(ar->hw, AP_LINK_PS);
7200 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
7201 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
7202 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
7203 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
7204 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
7205 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
7206 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
7208 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7209 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
7211 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
7212 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
7214 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
7215 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
7217 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
7218 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
7219 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
7222 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
7223 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
7225 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
7226 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
7228 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
7230 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
7231 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
7233 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
7234 * that userspace (e.g. wpa_supplicant/hostapd) can generate
7235 * correct Probe Responses. This is more of a hack advert..
7237 ar->hw->wiphy->probe_resp_offload |=
7238 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
7239 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
7240 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
7243 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
7244 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7246 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
7247 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7248 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
7250 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
7251 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
7253 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
7255 ret = ath10k_wow_init(ar);
7257 ath10k_warn(ar, "failed to init wow: %d\n", ret);
7261 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
7264 * on LL hardware queues are managed entirely by the FW
7265 * so we only advertise to mac we can do the queues thing
7267 ar->hw->queues = IEEE80211_MAX_QUEUES;
7269 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
7270 * something that vdev_ids can't reach so that we don't stop the queue
7273 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
7275 switch (ar->wmi.op_version) {
7276 case ATH10K_FW_WMI_OP_VERSION_MAIN:
7277 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
7278 ar->hw->wiphy->n_iface_combinations =
7279 ARRAY_SIZE(ath10k_if_comb);
7280 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7282 case ATH10K_FW_WMI_OP_VERSION_TLV:
7283 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
7284 ar->hw->wiphy->iface_combinations =
7285 ath10k_tlv_qcs_if_comb;
7286 ar->hw->wiphy->n_iface_combinations =
7287 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
7289 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
7290 ar->hw->wiphy->n_iface_combinations =
7291 ARRAY_SIZE(ath10k_tlv_if_comb);
7293 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7295 case ATH10K_FW_WMI_OP_VERSION_10_1:
7296 case ATH10K_FW_WMI_OP_VERSION_10_2:
7297 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
7298 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
7299 ar->hw->wiphy->n_iface_combinations =
7300 ARRAY_SIZE(ath10k_10x_if_comb);
7302 case ATH10K_FW_WMI_OP_VERSION_10_4:
7303 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
7304 ar->hw->wiphy->n_iface_combinations =
7305 ARRAY_SIZE(ath10k_10_4_if_comb);
7307 case ATH10K_FW_WMI_OP_VERSION_UNSET:
7308 case ATH10K_FW_WMI_OP_VERSION_MAX:
7314 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7315 ar->hw->netdev_features = NETIF_F_HW_CSUM;
7317 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
7318 /* Init ath dfs pattern detector */
7319 ar->ath_common.debug_mask = ATH_DBG_DFS;
7320 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
7323 if (!ar->dfs_detector)
7324 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
7327 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
7328 ath10k_reg_notifier);
7330 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
7331 goto err_dfs_detector_exit;
7334 ar->hw->wiphy->cipher_suites = cipher_suites;
7335 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7337 ret = ieee80211_register_hw(ar->hw);
7339 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
7340 goto err_dfs_detector_exit;
7343 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7344 ret = regulatory_hint(ar->hw->wiphy,
7345 ar->ath_common.regulatory.alpha2);
7347 goto err_unregister;
7353 ieee80211_unregister_hw(ar->hw);
7355 err_dfs_detector_exit:
7356 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7357 ar->dfs_detector->exit(ar->dfs_detector);
7360 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7361 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7363 SET_IEEE80211_DEV(ar->hw, NULL);
7367 void ath10k_mac_unregister(struct ath10k *ar)
7369 ieee80211_unregister_hw(ar->hw);
7371 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7372 ar->dfs_detector->exit(ar->dfs_detector);
7374 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7375 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7377 SET_IEEE80211_DEV(ar->hw, NULL);