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;
204 if (cmd == DISABLE_KEY) {
205 arg.key_cipher = WMI_CIPHER_NONE;
209 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
212 static int ath10k_install_key(struct ath10k_vif *arvif,
213 struct ieee80211_key_conf *key,
214 enum set_key_cmd cmd,
215 const u8 *macaddr, u32 flags)
217 struct ath10k *ar = arvif->ar;
219 unsigned long time_left;
221 lockdep_assert_held(&ar->conf_mutex);
223 reinit_completion(&ar->install_key_done);
225 if (arvif->nohwcrypt)
228 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
232 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
239 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
242 struct ath10k *ar = arvif->ar;
243 struct ath10k_peer *peer;
248 lockdep_assert_held(&ar->conf_mutex);
250 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
251 arvif->vif->type != NL80211_IFTYPE_ADHOC))
254 spin_lock_bh(&ar->data_lock);
255 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
256 spin_unlock_bh(&ar->data_lock);
261 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
262 if (arvif->wep_keys[i] == NULL)
265 switch (arvif->vif->type) {
266 case NL80211_IFTYPE_AP:
267 flags = WMI_KEY_PAIRWISE;
269 if (arvif->def_wep_key_idx == i)
270 flags |= WMI_KEY_TX_USAGE;
272 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
273 SET_KEY, addr, flags);
277 case NL80211_IFTYPE_ADHOC:
278 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
284 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
285 SET_KEY, addr, WMI_KEY_GROUP);
294 spin_lock_bh(&ar->data_lock);
295 peer->keys[i] = arvif->wep_keys[i];
296 spin_unlock_bh(&ar->data_lock);
299 /* In some cases (notably with static WEP IBSS with multiple keys)
300 * multicast Tx becomes broken. Both pairwise and groupwise keys are
301 * installed already. Using WMI_KEY_TX_USAGE in different combinations
302 * didn't seem help. Using def_keyid vdev parameter seems to be
303 * effective so use that.
305 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
307 if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
310 if (arvif->def_wep_key_idx == -1)
313 ret = ath10k_wmi_vdev_set_param(arvif->ar,
315 arvif->ar->wmi.vdev_param->def_keyid,
316 arvif->def_wep_key_idx);
318 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
319 arvif->vdev_id, ret);
326 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
329 struct ath10k *ar = arvif->ar;
330 struct ath10k_peer *peer;
336 lockdep_assert_held(&ar->conf_mutex);
338 spin_lock_bh(&ar->data_lock);
339 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
340 spin_unlock_bh(&ar->data_lock);
345 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
346 if (peer->keys[i] == NULL)
349 /* key flags are not required to delete the key */
350 ret = ath10k_install_key(arvif, peer->keys[i],
351 DISABLE_KEY, addr, flags);
352 if (ret < 0 && first_errno == 0)
356 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
359 spin_lock_bh(&ar->data_lock);
360 peer->keys[i] = NULL;
361 spin_unlock_bh(&ar->data_lock);
367 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
370 struct ath10k_peer *peer;
373 lockdep_assert_held(&ar->data_lock);
375 /* We don't know which vdev this peer belongs to,
376 * since WMI doesn't give us that information.
378 * FIXME: multi-bss needs to be handled.
380 peer = ath10k_peer_find(ar, 0, addr);
384 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
385 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
392 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
393 struct ieee80211_key_conf *key)
395 struct ath10k *ar = arvif->ar;
396 struct ath10k_peer *peer;
403 lockdep_assert_held(&ar->conf_mutex);
406 /* since ath10k_install_key we can't hold data_lock all the
407 * time, so we try to remove the keys incrementally */
408 spin_lock_bh(&ar->data_lock);
410 list_for_each_entry(peer, &ar->peers, list) {
411 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
412 if (peer->keys[i] == key) {
413 ether_addr_copy(addr, peer->addr);
414 peer->keys[i] = NULL;
419 if (i < ARRAY_SIZE(peer->keys))
422 spin_unlock_bh(&ar->data_lock);
424 if (i == ARRAY_SIZE(peer->keys))
426 /* key flags are not required to delete the key */
427 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
428 if (ret < 0 && first_errno == 0)
432 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
439 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
440 struct ieee80211_key_conf *key)
442 struct ath10k *ar = arvif->ar;
443 struct ath10k_peer *peer;
446 lockdep_assert_held(&ar->conf_mutex);
448 list_for_each_entry(peer, &ar->peers, list) {
449 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
452 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
455 if (peer->keys[key->keyidx] == key)
458 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
459 arvif->vdev_id, key->keyidx);
461 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
463 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
464 arvif->vdev_id, peer->addr, ret);
472 /*********************/
473 /* General utilities */
474 /*********************/
476 static inline enum wmi_phy_mode
477 chan_to_phymode(const struct cfg80211_chan_def *chandef)
479 enum wmi_phy_mode phymode = MODE_UNKNOWN;
481 switch (chandef->chan->band) {
482 case IEEE80211_BAND_2GHZ:
483 switch (chandef->width) {
484 case NL80211_CHAN_WIDTH_20_NOHT:
485 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
490 case NL80211_CHAN_WIDTH_20:
491 phymode = MODE_11NG_HT20;
493 case NL80211_CHAN_WIDTH_40:
494 phymode = MODE_11NG_HT40;
496 case NL80211_CHAN_WIDTH_5:
497 case NL80211_CHAN_WIDTH_10:
498 case NL80211_CHAN_WIDTH_80:
499 case NL80211_CHAN_WIDTH_80P80:
500 case NL80211_CHAN_WIDTH_160:
501 phymode = MODE_UNKNOWN;
505 case IEEE80211_BAND_5GHZ:
506 switch (chandef->width) {
507 case NL80211_CHAN_WIDTH_20_NOHT:
510 case NL80211_CHAN_WIDTH_20:
511 phymode = MODE_11NA_HT20;
513 case NL80211_CHAN_WIDTH_40:
514 phymode = MODE_11NA_HT40;
516 case NL80211_CHAN_WIDTH_80:
517 phymode = MODE_11AC_VHT80;
519 case NL80211_CHAN_WIDTH_5:
520 case NL80211_CHAN_WIDTH_10:
521 case NL80211_CHAN_WIDTH_80P80:
522 case NL80211_CHAN_WIDTH_160:
523 phymode = MODE_UNKNOWN;
531 WARN_ON(phymode == MODE_UNKNOWN);
535 static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
538 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
539 * 0 for no restriction
548 switch (mpdudensity) {
554 /* Our lower layer calculations limit our precision to
570 int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
571 struct cfg80211_chan_def *def)
573 struct ieee80211_chanctx_conf *conf;
576 conf = rcu_dereference(vif->chanctx_conf);
588 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
589 struct ieee80211_chanctx_conf *conf,
597 static int ath10k_mac_num_chanctxs(struct ath10k *ar)
601 ieee80211_iter_chan_contexts_atomic(ar->hw,
602 ath10k_mac_num_chanctxs_iter,
609 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
610 struct ieee80211_chanctx_conf *conf,
613 struct cfg80211_chan_def **def = data;
618 static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr,
619 enum wmi_peer_type peer_type)
621 struct ath10k_vif *arvif;
625 lockdep_assert_held(&ar->conf_mutex);
627 num_peers = ar->num_peers;
629 /* Each vdev consumes a peer entry as well */
630 list_for_each_entry(arvif, &ar->arvifs, list)
633 if (num_peers >= ar->max_num_peers)
636 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
638 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
643 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
645 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
655 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
657 struct ath10k *ar = arvif->ar;
661 param = ar->wmi.pdev_param->sta_kickout_th;
662 ret = ath10k_wmi_pdev_set_param(ar, param,
663 ATH10K_KICKOUT_THRESHOLD);
665 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
666 arvif->vdev_id, ret);
670 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
671 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
672 ATH10K_KEEPALIVE_MIN_IDLE);
674 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
675 arvif->vdev_id, ret);
679 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
680 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
681 ATH10K_KEEPALIVE_MAX_IDLE);
683 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
684 arvif->vdev_id, ret);
688 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
689 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
690 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
692 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
693 arvif->vdev_id, ret);
700 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
702 struct ath10k *ar = arvif->ar;
705 vdev_param = ar->wmi.vdev_param->rts_threshold;
706 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
709 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
713 lockdep_assert_held(&ar->conf_mutex);
715 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
719 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
728 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
730 struct ath10k_peer *peer, *tmp;
732 lockdep_assert_held(&ar->conf_mutex);
734 spin_lock_bh(&ar->data_lock);
735 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
736 if (peer->vdev_id != vdev_id)
739 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
740 peer->addr, vdev_id);
742 list_del(&peer->list);
746 spin_unlock_bh(&ar->data_lock);
749 static void ath10k_peer_cleanup_all(struct ath10k *ar)
751 struct ath10k_peer *peer, *tmp;
753 lockdep_assert_held(&ar->conf_mutex);
755 spin_lock_bh(&ar->data_lock);
756 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
757 list_del(&peer->list);
760 spin_unlock_bh(&ar->data_lock);
763 ar->num_stations = 0;
766 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
767 struct ieee80211_sta *sta,
768 enum wmi_tdls_peer_state state)
771 struct wmi_tdls_peer_update_cmd_arg arg = {};
772 struct wmi_tdls_peer_capab_arg cap = {};
773 struct wmi_channel_arg chan_arg = {};
775 lockdep_assert_held(&ar->conf_mutex);
777 arg.vdev_id = vdev_id;
778 arg.peer_state = state;
779 ether_addr_copy(arg.addr, sta->addr);
781 cap.peer_max_sp = sta->max_sp;
782 cap.peer_uapsd_queues = sta->uapsd_queues;
784 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
785 !sta->tdls_initiator)
786 cap.is_peer_responder = 1;
788 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
790 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
791 arg.addr, vdev_id, ret);
798 /************************/
799 /* Interface management */
800 /************************/
802 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
804 struct ath10k *ar = arvif->ar;
806 lockdep_assert_held(&ar->data_lock);
811 if (!arvif->beacon_buf)
812 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
813 arvif->beacon->len, DMA_TO_DEVICE);
815 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
816 arvif->beacon_state != ATH10K_BEACON_SENT))
819 dev_kfree_skb_any(arvif->beacon);
821 arvif->beacon = NULL;
822 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
825 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
827 struct ath10k *ar = arvif->ar;
829 lockdep_assert_held(&ar->data_lock);
831 ath10k_mac_vif_beacon_free(arvif);
833 if (arvif->beacon_buf) {
834 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
835 arvif->beacon_buf, arvif->beacon_paddr);
836 arvif->beacon_buf = NULL;
840 static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
842 unsigned long time_left;
844 lockdep_assert_held(&ar->conf_mutex);
846 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
849 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
850 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
857 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
859 struct cfg80211_chan_def *chandef = NULL;
860 struct ieee80211_channel *channel = NULL;
861 struct wmi_vdev_start_request_arg arg = {};
864 lockdep_assert_held(&ar->conf_mutex);
866 ieee80211_iter_chan_contexts_atomic(ar->hw,
867 ath10k_mac_get_any_chandef_iter,
869 if (WARN_ON_ONCE(!chandef))
872 channel = chandef->chan;
874 arg.vdev_id = vdev_id;
875 arg.channel.freq = channel->center_freq;
876 arg.channel.band_center_freq1 = chandef->center_freq1;
878 /* TODO setup this dynamically, what in case we
879 don't have any vifs? */
880 arg.channel.mode = chan_to_phymode(chandef);
881 arg.channel.chan_radar =
882 !!(channel->flags & IEEE80211_CHAN_RADAR);
884 arg.channel.min_power = 0;
885 arg.channel.max_power = channel->max_power * 2;
886 arg.channel.max_reg_power = channel->max_reg_power * 2;
887 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
889 reinit_completion(&ar->vdev_setup_done);
891 ret = ath10k_wmi_vdev_start(ar, &arg);
893 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
898 ret = ath10k_vdev_setup_sync(ar);
900 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
905 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
907 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
912 ar->monitor_vdev_id = vdev_id;
914 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
915 ar->monitor_vdev_id);
919 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
921 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
922 ar->monitor_vdev_id, ret);
927 static int ath10k_monitor_vdev_stop(struct ath10k *ar)
931 lockdep_assert_held(&ar->conf_mutex);
933 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
935 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
936 ar->monitor_vdev_id, ret);
938 reinit_completion(&ar->vdev_setup_done);
940 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
942 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
943 ar->monitor_vdev_id, ret);
945 ret = ath10k_vdev_setup_sync(ar);
947 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
948 ar->monitor_vdev_id, ret);
950 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
951 ar->monitor_vdev_id);
955 static int ath10k_monitor_vdev_create(struct ath10k *ar)
959 lockdep_assert_held(&ar->conf_mutex);
961 if (ar->free_vdev_map == 0) {
962 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
966 bit = __ffs64(ar->free_vdev_map);
968 ar->monitor_vdev_id = bit;
970 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
971 WMI_VDEV_TYPE_MONITOR,
974 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
975 ar->monitor_vdev_id, ret);
979 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
980 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
981 ar->monitor_vdev_id);
986 static int ath10k_monitor_vdev_delete(struct ath10k *ar)
990 lockdep_assert_held(&ar->conf_mutex);
992 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
994 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
995 ar->monitor_vdev_id, ret);
999 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
1001 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
1002 ar->monitor_vdev_id);
1006 static int ath10k_monitor_start(struct ath10k *ar)
1010 lockdep_assert_held(&ar->conf_mutex);
1012 ret = ath10k_monitor_vdev_create(ar);
1014 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1018 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
1020 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1021 ath10k_monitor_vdev_delete(ar);
1025 ar->monitor_started = true;
1026 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1031 static int ath10k_monitor_stop(struct ath10k *ar)
1035 lockdep_assert_held(&ar->conf_mutex);
1037 ret = ath10k_monitor_vdev_stop(ar);
1039 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1043 ret = ath10k_monitor_vdev_delete(ar);
1045 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1049 ar->monitor_started = false;
1050 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1055 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1059 /* At least one chanctx is required to derive a channel to start
1062 num_ctx = ath10k_mac_num_chanctxs(ar);
1066 /* If there's already an existing special monitor interface then don't
1067 * bother creating another monitor vdev.
1069 if (ar->monitor_arvif)
1072 return ar->monitor ||
1073 ar->filter_flags & FIF_OTHER_BSS ||
1074 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1077 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1081 num_ctx = ath10k_mac_num_chanctxs(ar);
1083 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1084 * shouldn't allow this but make sure to prevent handling the following
1085 * case anyway since multi-channel DFS hasn't been tested at all.
1087 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1093 static int ath10k_monitor_recalc(struct ath10k *ar)
1099 lockdep_assert_held(&ar->conf_mutex);
1101 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1102 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1104 ath10k_dbg(ar, ATH10K_DBG_MAC,
1105 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1106 ar->monitor_started, needed, allowed);
1108 if (WARN_ON(needed && !allowed)) {
1109 if (ar->monitor_started) {
1110 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1112 ret = ath10k_monitor_stop(ar);
1114 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", ret);
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;
2090 lockdep_assert_held(&ar->conf_mutex);
2092 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2095 if (!ht_cap->ht_supported)
2098 band = def.chan->band;
2099 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2100 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2102 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2103 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2106 arg->peer_flags |= WMI_PEER_HT;
2107 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2108 ht_cap->ampdu_factor)) - 1;
2110 arg->peer_mpdu_density =
2111 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2113 arg->peer_ht_caps = ht_cap->cap;
2114 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2116 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2117 arg->peer_flags |= WMI_PEER_LDPC;
2119 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2120 arg->peer_flags |= WMI_PEER_40MHZ;
2121 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2124 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2125 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2126 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2128 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2129 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2132 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2133 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2134 arg->peer_flags |= WMI_PEER_STBC;
2137 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
2138 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2139 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2140 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2141 arg->peer_rate_caps |= stbc;
2142 arg->peer_flags |= WMI_PEER_STBC;
2145 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2146 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2147 else if (ht_cap->mcs.rx_mask[1])
2148 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2150 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2151 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2152 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2153 max_nss = (i / 8) + 1;
2154 arg->peer_ht_rates.rates[n++] = i;
2158 * This is a workaround for HT-enabled STAs which break the spec
2159 * and have no HT capabilities RX mask (no HT RX MCS map).
2161 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2162 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2164 * Firmware asserts if such situation occurs.
2167 arg->peer_ht_rates.num_rates = 8;
2168 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2169 arg->peer_ht_rates.rates[i] = i;
2171 arg->peer_ht_rates.num_rates = n;
2172 arg->peer_num_spatial_streams = max_nss;
2175 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
2177 arg->peer_ht_rates.num_rates,
2178 arg->peer_num_spatial_streams);
2181 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2182 struct ath10k_vif *arvif,
2183 struct ieee80211_sta *sta)
2189 lockdep_assert_held(&ar->conf_mutex);
2191 if (sta->wme && sta->uapsd_queues) {
2192 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
2193 sta->uapsd_queues, sta->max_sp);
2195 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2196 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2197 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2198 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2199 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2200 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2201 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2202 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2203 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2204 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2205 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2206 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2208 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2209 max_sp = sta->max_sp;
2211 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2213 WMI_AP_PS_PEER_PARAM_UAPSD,
2216 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
2217 arvif->vdev_id, ret);
2221 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2223 WMI_AP_PS_PEER_PARAM_MAX_SP,
2226 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
2227 arvif->vdev_id, ret);
2231 /* TODO setup this based on STA listen interval and
2232 beacon interval. Currently we don't know
2233 sta->listen_interval - mac80211 patch required.
2234 Currently use 10 seconds */
2235 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
2236 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2239 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
2240 arvif->vdev_id, ret);
2249 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2250 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2257 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2258 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2262 idx_limit = fls(mcs_map) - 1;
2266 switch (idx_limit) {
2267 case 0: /* fall through */
2268 case 1: /* fall through */
2269 case 2: /* fall through */
2270 case 3: /* fall through */
2271 case 4: /* fall through */
2272 case 5: /* fall through */
2273 case 6: /* fall through */
2275 /* see ath10k_mac_can_set_bitrate_mask() */
2279 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2282 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2285 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2288 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2292 tx_mcs_set &= ~(0x3 << (nss * 2));
2293 tx_mcs_set |= mcs << (nss * 2);
2299 static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
2300 struct ieee80211_vif *vif,
2301 struct ieee80211_sta *sta,
2302 struct wmi_peer_assoc_complete_arg *arg)
2304 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
2305 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2306 struct cfg80211_chan_def def;
2307 enum ieee80211_band band;
2308 const u16 *vht_mcs_mask;
2311 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2314 if (!vht_cap->vht_supported)
2317 band = def.chan->band;
2318 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2320 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2323 arg->peer_flags |= WMI_PEER_VHT;
2325 if (def.chan->band == IEEE80211_BAND_2GHZ)
2326 arg->peer_flags |= WMI_PEER_VHT_2G;
2328 arg->peer_vht_caps = vht_cap->cap;
2330 ampdu_factor = (vht_cap->cap &
2331 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2332 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2334 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2335 * zero in VHT IE. Using it would result in degraded throughput.
2336 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2337 * it if VHT max_mpdu is smaller. */
2338 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2339 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2340 ampdu_factor)) - 1);
2342 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2343 arg->peer_flags |= WMI_PEER_80MHZ;
2345 arg->peer_vht_rates.rx_max_rate =
2346 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2347 arg->peer_vht_rates.rx_mcs_set =
2348 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2349 arg->peer_vht_rates.tx_max_rate =
2350 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2351 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2352 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2354 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
2355 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
2358 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
2359 struct ieee80211_vif *vif,
2360 struct ieee80211_sta *sta,
2361 struct wmi_peer_assoc_complete_arg *arg)
2363 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2365 switch (arvif->vdev_type) {
2366 case WMI_VDEV_TYPE_AP:
2368 arg->peer_flags |= WMI_PEER_QOS;
2370 if (sta->wme && sta->uapsd_queues) {
2371 arg->peer_flags |= WMI_PEER_APSD;
2372 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2375 case WMI_VDEV_TYPE_STA:
2376 if (vif->bss_conf.qos)
2377 arg->peer_flags |= WMI_PEER_QOS;
2379 case WMI_VDEV_TYPE_IBSS:
2381 arg->peer_flags |= WMI_PEER_QOS;
2387 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2388 sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
2391 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2393 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2394 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
2397 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
2398 struct ieee80211_vif *vif,
2399 struct ieee80211_sta *sta,
2400 struct wmi_peer_assoc_complete_arg *arg)
2402 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2403 struct cfg80211_chan_def def;
2404 enum ieee80211_band band;
2405 const u8 *ht_mcs_mask;
2406 const u16 *vht_mcs_mask;
2407 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2409 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2412 band = def.chan->band;
2413 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2414 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2417 case IEEE80211_BAND_2GHZ:
2418 if (sta->vht_cap.vht_supported &&
2419 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2420 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2421 phymode = MODE_11AC_VHT40;
2423 phymode = MODE_11AC_VHT20;
2424 } else if (sta->ht_cap.ht_supported &&
2425 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2426 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2427 phymode = MODE_11NG_HT40;
2429 phymode = MODE_11NG_HT20;
2430 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
2437 case IEEE80211_BAND_5GHZ:
2441 if (sta->vht_cap.vht_supported &&
2442 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2443 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2444 phymode = MODE_11AC_VHT80;
2445 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2446 phymode = MODE_11AC_VHT40;
2447 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2448 phymode = MODE_11AC_VHT20;
2449 } else if (sta->ht_cap.ht_supported &&
2450 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2451 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
2452 phymode = MODE_11NA_HT40;
2454 phymode = MODE_11NA_HT20;
2464 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
2465 sta->addr, ath10k_wmi_phymode_str(phymode));
2467 arg->peer_phymode = phymode;
2468 WARN_ON(phymode == MODE_UNKNOWN);
2471 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
2472 struct ieee80211_vif *vif,
2473 struct ieee80211_sta *sta,
2474 struct wmi_peer_assoc_complete_arg *arg)
2476 lockdep_assert_held(&ar->conf_mutex);
2478 memset(arg, 0, sizeof(*arg));
2480 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2481 ath10k_peer_assoc_h_crypto(ar, vif, arg);
2482 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
2483 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
2484 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
2485 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2486 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
2491 static const u32 ath10k_smps_map[] = {
2492 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2493 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2494 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2495 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2498 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2500 const struct ieee80211_sta_ht_cap *ht_cap)
2504 if (!ht_cap->ht_supported)
2507 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2508 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2510 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2513 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2514 WMI_PEER_SMPS_STATE,
2515 ath10k_smps_map[smps]);
2518 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2519 struct ieee80211_vif *vif,
2520 struct ieee80211_sta_vht_cap vht_cap)
2522 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2527 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
2530 if (!(ar->vht_cap_info &
2531 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2532 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2533 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2534 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2537 param = ar->wmi.vdev_param->txbf;
2540 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2543 /* The following logic is correct. If a remote STA advertises support
2544 * for being a beamformer then we should enable us being a beamformee.
2547 if (ar->vht_cap_info &
2548 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2549 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2550 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2551 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2553 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2554 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2557 if (ar->vht_cap_info &
2558 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2559 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2560 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2561 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2563 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2564 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2567 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2568 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2570 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2571 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2573 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2575 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2583 /* can be called only in mac80211 callbacks due to `key_count` usage */
2584 static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2585 struct ieee80211_vif *vif,
2586 struct ieee80211_bss_conf *bss_conf)
2588 struct ath10k *ar = hw->priv;
2589 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2590 struct ieee80211_sta_ht_cap ht_cap;
2591 struct ieee80211_sta_vht_cap vht_cap;
2592 struct wmi_peer_assoc_complete_arg peer_arg;
2593 struct ieee80211_sta *ap_sta;
2596 lockdep_assert_held(&ar->conf_mutex);
2598 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2599 arvif->vdev_id, arvif->bssid, arvif->aid);
2603 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2605 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
2606 bss_conf->bssid, arvif->vdev_id);
2611 /* ap_sta must be accessed only within rcu section which must be left
2612 * before calling ath10k_setup_peer_smps() which might sleep. */
2613 ht_cap = ap_sta->ht_cap;
2614 vht_cap = ap_sta->vht_cap;
2616 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
2618 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
2619 bss_conf->bssid, arvif->vdev_id, ret);
2626 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2628 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
2629 bss_conf->bssid, arvif->vdev_id, ret);
2633 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2635 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
2636 arvif->vdev_id, ret);
2640 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2642 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2643 arvif->vdev_id, bss_conf->bssid, ret);
2647 ath10k_dbg(ar, ATH10K_DBG_MAC,
2648 "mac vdev %d up (associated) bssid %pM aid %d\n",
2649 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2651 WARN_ON(arvif->is_up);
2653 arvif->aid = bss_conf->aid;
2654 ether_addr_copy(arvif->bssid, bss_conf->bssid);
2656 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2658 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
2659 arvif->vdev_id, ret);
2663 arvif->is_up = true;
2665 /* Workaround: Some firmware revisions (tested with qca6174
2666 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2667 * poked with peer param command.
2669 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2670 WMI_PEER_DUMMY_VAR, 1);
2672 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2673 arvif->bssid, arvif->vdev_id, ret);
2678 static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2679 struct ieee80211_vif *vif)
2681 struct ath10k *ar = hw->priv;
2682 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2683 struct ieee80211_sta_vht_cap vht_cap = {};
2686 lockdep_assert_held(&ar->conf_mutex);
2688 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2689 arvif->vdev_id, arvif->bssid);
2691 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
2693 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2694 arvif->vdev_id, ret);
2696 arvif->def_wep_key_idx = -1;
2698 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2700 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2701 arvif->vdev_id, ret);
2705 arvif->is_up = false;
2707 cancel_delayed_work_sync(&arvif->connection_loss_work);
2710 static int ath10k_station_assoc(struct ath10k *ar,
2711 struct ieee80211_vif *vif,
2712 struct ieee80211_sta *sta,
2715 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2716 struct wmi_peer_assoc_complete_arg peer_arg;
2719 lockdep_assert_held(&ar->conf_mutex);
2721 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
2723 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
2724 sta->addr, arvif->vdev_id, ret);
2728 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2730 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2731 sta->addr, arvif->vdev_id, ret);
2735 /* Re-assoc is run only to update supported rates for given station. It
2736 * doesn't make much sense to reconfigure the peer completely.
2739 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2742 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
2743 arvif->vdev_id, ret);
2747 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2749 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2750 sta->addr, arvif->vdev_id, ret);
2755 arvif->num_legacy_stations++;
2756 ret = ath10k_recalc_rtscts_prot(arvif);
2758 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2759 arvif->vdev_id, ret);
2764 /* Plumb cached keys only for static WEP */
2765 if (arvif->def_wep_key_idx != -1) {
2766 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2768 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2769 arvif->vdev_id, ret);
2778 static int ath10k_station_disassoc(struct ath10k *ar,
2779 struct ieee80211_vif *vif,
2780 struct ieee80211_sta *sta)
2782 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2785 lockdep_assert_held(&ar->conf_mutex);
2788 arvif->num_legacy_stations--;
2789 ret = ath10k_recalc_rtscts_prot(arvif);
2791 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2792 arvif->vdev_id, ret);
2797 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2799 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
2800 arvif->vdev_id, ret);
2811 static int ath10k_update_channel_list(struct ath10k *ar)
2813 struct ieee80211_hw *hw = ar->hw;
2814 struct ieee80211_supported_band **bands;
2815 enum ieee80211_band band;
2816 struct ieee80211_channel *channel;
2817 struct wmi_scan_chan_list_arg arg = {0};
2818 struct wmi_channel_arg *ch;
2824 lockdep_assert_held(&ar->conf_mutex);
2826 bands = hw->wiphy->bands;
2827 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2831 for (i = 0; i < bands[band]->n_channels; i++) {
2832 if (bands[band]->channels[i].flags &
2833 IEEE80211_CHAN_DISABLED)
2840 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2841 arg.channels = kzalloc(len, GFP_KERNEL);
2846 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2850 for (i = 0; i < bands[band]->n_channels; i++) {
2851 channel = &bands[band]->channels[i];
2853 if (channel->flags & IEEE80211_CHAN_DISABLED)
2856 ch->allow_ht = true;
2858 /* FIXME: when should we really allow VHT? */
2859 ch->allow_vht = true;
2862 !(channel->flags & IEEE80211_CHAN_NO_IR);
2865 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2868 !!(channel->flags & IEEE80211_CHAN_RADAR);
2870 passive = channel->flags & IEEE80211_CHAN_NO_IR;
2871 ch->passive = passive;
2873 ch->freq = channel->center_freq;
2874 ch->band_center_freq1 = channel->center_freq;
2876 ch->max_power = channel->max_power * 2;
2877 ch->max_reg_power = channel->max_reg_power * 2;
2878 ch->max_antenna_gain = channel->max_antenna_gain * 2;
2879 ch->reg_class_id = 0; /* FIXME */
2881 /* FIXME: why use only legacy modes, why not any
2882 * HT/VHT modes? Would that even make any
2884 if (channel->band == IEEE80211_BAND_2GHZ)
2885 ch->mode = MODE_11G;
2887 ch->mode = MODE_11A;
2889 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2892 ath10k_dbg(ar, ATH10K_DBG_WMI,
2893 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2894 ch - arg.channels, arg.n_channels,
2895 ch->freq, ch->max_power, ch->max_reg_power,
2896 ch->max_antenna_gain, ch->mode);
2902 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2903 kfree(arg.channels);
2908 static enum wmi_dfs_region
2909 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2911 switch (dfs_region) {
2912 case NL80211_DFS_UNSET:
2913 return WMI_UNINIT_DFS_DOMAIN;
2914 case NL80211_DFS_FCC:
2915 return WMI_FCC_DFS_DOMAIN;
2916 case NL80211_DFS_ETSI:
2917 return WMI_ETSI_DFS_DOMAIN;
2918 case NL80211_DFS_JP:
2919 return WMI_MKK4_DFS_DOMAIN;
2921 return WMI_UNINIT_DFS_DOMAIN;
2924 static void ath10k_regd_update(struct ath10k *ar)
2926 struct reg_dmn_pair_mapping *regpair;
2928 enum wmi_dfs_region wmi_dfs_reg;
2929 enum nl80211_dfs_regions nl_dfs_reg;
2931 lockdep_assert_held(&ar->conf_mutex);
2933 ret = ath10k_update_channel_list(ar);
2935 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
2937 regpair = ar->ath_common.regulatory.regpair;
2939 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2940 nl_dfs_reg = ar->dfs_detector->region;
2941 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2943 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2946 /* Target allows setting up per-band regdomain but ath_common provides
2947 * a combined one only */
2948 ret = ath10k_wmi_pdev_set_regdomain(ar,
2949 regpair->reg_domain,
2950 regpair->reg_domain, /* 2ghz */
2951 regpair->reg_domain, /* 5ghz */
2952 regpair->reg_2ghz_ctl,
2953 regpair->reg_5ghz_ctl,
2956 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
2959 static void ath10k_reg_notifier(struct wiphy *wiphy,
2960 struct regulatory_request *request)
2962 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2963 struct ath10k *ar = hw->priv;
2966 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
2968 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2969 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
2970 request->dfs_region);
2971 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
2972 request->dfs_region);
2974 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
2975 request->dfs_region);
2978 mutex_lock(&ar->conf_mutex);
2979 if (ar->state == ATH10K_STATE_ON)
2980 ath10k_regd_update(ar);
2981 mutex_unlock(&ar->conf_mutex);
2988 void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
2990 lockdep_assert_held(&ar->htt.tx_lock);
2992 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
2993 ar->tx_paused |= BIT(reason);
2994 ieee80211_stop_queues(ar->hw);
2997 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
2998 struct ieee80211_vif *vif)
3000 struct ath10k *ar = data;
3001 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3003 if (arvif->tx_paused)
3006 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3009 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
3011 lockdep_assert_held(&ar->htt.tx_lock);
3013 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3014 ar->tx_paused &= ~BIT(reason);
3019 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3020 IEEE80211_IFACE_ITER_RESUME_ALL,
3021 ath10k_mac_tx_unlock_iter,
3024 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
3027 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
3029 struct ath10k *ar = arvif->ar;
3031 lockdep_assert_held(&ar->htt.tx_lock);
3033 WARN_ON(reason >= BITS_PER_LONG);
3034 arvif->tx_paused |= BIT(reason);
3035 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3038 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3040 struct ath10k *ar = arvif->ar;
3042 lockdep_assert_held(&ar->htt.tx_lock);
3044 WARN_ON(reason >= BITS_PER_LONG);
3045 arvif->tx_paused &= ~BIT(reason);
3050 if (arvif->tx_paused)
3053 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3056 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3057 enum wmi_tlv_tx_pause_id pause_id,
3058 enum wmi_tlv_tx_pause_action action)
3060 struct ath10k *ar = arvif->ar;
3062 lockdep_assert_held(&ar->htt.tx_lock);
3065 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3066 ath10k_mac_vif_tx_lock(arvif, pause_id);
3068 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3069 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3072 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3073 action, arvif->vdev_id);
3078 struct ath10k_mac_tx_pause {
3080 enum wmi_tlv_tx_pause_id pause_id;
3081 enum wmi_tlv_tx_pause_action action;
3084 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3085 struct ieee80211_vif *vif)
3087 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3088 struct ath10k_mac_tx_pause *arg = data;
3090 if (arvif->vdev_id != arg->vdev_id)
3093 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3096 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
3097 enum wmi_tlv_tx_pause_id pause_id,
3098 enum wmi_tlv_tx_pause_action action)
3100 struct ath10k_mac_tx_pause arg = {
3102 .pause_id = pause_id,
3106 spin_lock_bh(&ar->htt.tx_lock);
3107 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3108 IEEE80211_IFACE_ITER_RESUME_ALL,
3109 ath10k_mac_handle_tx_pause_iter,
3111 spin_unlock_bh(&ar->htt.tx_lock);
3114 static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr)
3116 if (ieee80211_is_mgmt(hdr->frame_control))
3117 return HTT_DATA_TX_EXT_TID_MGMT;
3119 if (!ieee80211_is_data_qos(hdr->frame_control))
3120 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3122 if (!is_unicast_ether_addr(ieee80211_get_DA(hdr)))
3123 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3125 return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
3128 static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif)
3131 return ath10k_vif_to_arvif(vif)->vdev_id;
3133 if (ar->monitor_started)
3134 return ar->monitor_vdev_id;
3136 ath10k_warn(ar, "failed to resolve vdev id\n");
3140 static enum ath10k_hw_txrx_mode
3141 ath10k_tx_h_get_txmode(struct ath10k *ar, struct ieee80211_vif *vif,
3142 struct ieee80211_sta *sta, struct sk_buff *skb)
3144 const struct ieee80211_hdr *hdr = (void *)skb->data;
3145 __le16 fc = hdr->frame_control;
3147 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3148 return ATH10K_HW_TXRX_RAW;
3150 if (ieee80211_is_mgmt(fc))
3151 return ATH10K_HW_TXRX_MGMT;
3155 * NullFunc frames are mostly used to ping if a client or AP are still
3156 * reachable and responsive. This implies tx status reports must be
3157 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3158 * come to a conclusion that the other end disappeared and tear down
3159 * BSS connection or it can never disconnect from BSS/client (which is
3162 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3163 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3164 * which seems to deliver correct tx reports for NullFunc frames. The
3165 * downside of using it is it ignores client powersave state so it can
3166 * end up disconnecting sleeping clients in AP mode. It should fix STA
3167 * mode though because AP don't sleep.
3169 if (ar->htt.target_version_major < 3 &&
3170 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3171 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3172 return ATH10K_HW_TXRX_MGMT;
3176 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3177 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3178 * to work with Ethernet txmode so use it.
3180 * FIXME: Check if raw mode works with TDLS.
3182 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3183 return ATH10K_HW_TXRX_ETHERNET;
3185 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
3186 return ATH10K_HW_TXRX_RAW;
3188 return ATH10K_HW_TXRX_NATIVE_WIFI;
3191 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
3192 struct sk_buff *skb) {
3193 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3194 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
3195 IEEE80211_TX_CTL_INJECTED;
3196 if ((info->flags & mask) == mask)
3199 return !ath10k_vif_to_arvif(vif)->nohwcrypt;
3203 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3204 * Control in the header.
3206 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
3208 struct ieee80211_hdr *hdr = (void *)skb->data;
3209 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3212 if (!ieee80211_is_data_qos(hdr->frame_control))
3215 qos_ctl = ieee80211_get_qos_ctl(hdr);
3216 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3217 skb->data, (void *)qos_ctl - (void *)skb->data);
3218 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
3220 /* Some firmware revisions don't handle sending QoS NullFunc well.
3221 * These frames are mainly used for CQM purposes so it doesn't really
3222 * matter whether QoS NullFunc or NullFunc are sent.
3224 hdr = (void *)skb->data;
3225 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
3226 cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3228 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
3231 static void ath10k_tx_h_8023(struct sk_buff *skb)
3233 struct ieee80211_hdr *hdr;
3234 struct rfc1042_hdr *rfc1042;
3241 hdr = (void *)skb->data;
3242 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3243 rfc1042 = (void *)skb->data + hdrlen;
3245 ether_addr_copy(da, ieee80211_get_DA(hdr));
3246 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3247 type = rfc1042->snap_type;
3249 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3250 skb_push(skb, sizeof(*eth));
3252 eth = (void *)skb->data;
3253 ether_addr_copy(eth->h_dest, da);
3254 ether_addr_copy(eth->h_source, sa);
3255 eth->h_proto = type;
3258 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3259 struct ieee80211_vif *vif,
3260 struct sk_buff *skb)
3262 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3263 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3265 /* This is case only for P2P_GO */
3266 if (arvif->vdev_type != WMI_VDEV_TYPE_AP ||
3267 arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
3270 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3271 spin_lock_bh(&ar->data_lock);
3272 if (arvif->u.ap.noa_data)
3273 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3275 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3276 arvif->u.ap.noa_data,
3277 arvif->u.ap.noa_len);
3278 spin_unlock_bh(&ar->data_lock);
3282 static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar)
3284 /* FIXME: Not really sure since when the behaviour changed. At some
3285 * point new firmware stopped requiring creation of peer entries for
3286 * offchannel tx (and actually creating them causes issues with wmi-htc
3287 * tx credit replenishment and reliability). Assuming it's at least 3.4
3288 * because that's when the `freq` was introduced to TX_FRM HTT command.
3290 return !(ar->htt.target_version_major >= 3 &&
3291 ar->htt.target_version_minor >= 4);
3294 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
3296 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
3299 spin_lock_bh(&ar->data_lock);
3301 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3302 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3307 __skb_queue_tail(q, skb);
3308 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
3311 spin_unlock_bh(&ar->data_lock);
3316 static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb)
3318 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3319 struct ath10k_htt *htt = &ar->htt;
3322 switch (cb->txmode) {
3323 case ATH10K_HW_TXRX_RAW:
3324 case ATH10K_HW_TXRX_NATIVE_WIFI:
3325 case ATH10K_HW_TXRX_ETHERNET:
3326 ret = ath10k_htt_tx(htt, skb);
3328 case ATH10K_HW_TXRX_MGMT:
3329 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3331 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3332 else if (ar->htt.target_version_major >= 3)
3333 ret = ath10k_htt_tx(htt, skb);
3335 ret = ath10k_htt_mgmt_tx(htt, skb);
3340 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3342 ieee80211_free_txskb(ar->hw, skb);
3346 void ath10k_offchan_tx_purge(struct ath10k *ar)
3348 struct sk_buff *skb;
3351 skb = skb_dequeue(&ar->offchan_tx_queue);
3355 ieee80211_free_txskb(ar->hw, skb);
3359 void ath10k_offchan_tx_work(struct work_struct *work)
3361 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3362 struct ath10k_peer *peer;
3363 struct ieee80211_hdr *hdr;
3364 struct sk_buff *skb;
3365 const u8 *peer_addr;
3368 unsigned long time_left;
3369 bool tmp_peer_created = false;
3371 /* FW requirement: We must create a peer before FW will send out
3372 * an offchannel frame. Otherwise the frame will be stuck and
3373 * never transmitted. We delete the peer upon tx completion.
3374 * It is unlikely that a peer for offchannel tx will already be
3375 * present. However it may be in some rare cases so account for that.
3376 * Otherwise we might remove a legitimate peer and break stuff. */
3379 skb = skb_dequeue(&ar->offchan_tx_queue);
3383 mutex_lock(&ar->conf_mutex);
3385 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
3388 hdr = (struct ieee80211_hdr *)skb->data;
3389 peer_addr = ieee80211_get_DA(hdr);
3390 vdev_id = ATH10K_SKB_CB(skb)->vdev_id;
3392 spin_lock_bh(&ar->data_lock);
3393 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3394 spin_unlock_bh(&ar->data_lock);
3397 /* FIXME: should this use ath10k_warn()? */
3398 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
3399 peer_addr, vdev_id);
3402 ret = ath10k_peer_create(ar, vdev_id, peer_addr,
3403 WMI_PEER_TYPE_DEFAULT);
3405 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
3406 peer_addr, vdev_id, ret);
3407 tmp_peer_created = (ret == 0);
3410 spin_lock_bh(&ar->data_lock);
3411 reinit_completion(&ar->offchan_tx_completed);
3412 ar->offchan_tx_skb = skb;
3413 spin_unlock_bh(&ar->data_lock);
3415 ath10k_mac_tx(ar, skb);
3418 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3420 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
3423 if (!peer && tmp_peer_created) {
3424 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3426 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
3427 peer_addr, vdev_id, ret);
3430 mutex_unlock(&ar->conf_mutex);
3434 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3436 struct sk_buff *skb;
3439 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3443 ieee80211_free_txskb(ar->hw, skb);
3447 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3449 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3450 struct sk_buff *skb;
3454 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3458 ret = ath10k_wmi_mgmt_tx(ar, skb);
3460 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
3462 ieee80211_free_txskb(ar->hw, skb);
3471 void __ath10k_scan_finish(struct ath10k *ar)
3473 lockdep_assert_held(&ar->data_lock);
3475 switch (ar->scan.state) {
3476 case ATH10K_SCAN_IDLE:
3478 case ATH10K_SCAN_RUNNING:
3479 case ATH10K_SCAN_ABORTING:
3480 if (!ar->scan.is_roc)
3481 ieee80211_scan_completed(ar->hw,
3483 ATH10K_SCAN_ABORTING));
3484 else if (ar->scan.roc_notify)
3485 ieee80211_remain_on_channel_expired(ar->hw);
3487 case ATH10K_SCAN_STARTING:
3488 ar->scan.state = ATH10K_SCAN_IDLE;
3489 ar->scan_channel = NULL;
3490 ath10k_offchan_tx_purge(ar);
3491 cancel_delayed_work(&ar->scan.timeout);
3492 complete_all(&ar->scan.completed);
3497 void ath10k_scan_finish(struct ath10k *ar)
3499 spin_lock_bh(&ar->data_lock);
3500 __ath10k_scan_finish(ar);
3501 spin_unlock_bh(&ar->data_lock);
3504 static int ath10k_scan_stop(struct ath10k *ar)
3506 struct wmi_stop_scan_arg arg = {
3507 .req_id = 1, /* FIXME */
3508 .req_type = WMI_SCAN_STOP_ONE,
3509 .u.scan_id = ATH10K_SCAN_ID,
3513 lockdep_assert_held(&ar->conf_mutex);
3515 ret = ath10k_wmi_stop_scan(ar, &arg);
3517 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
3521 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
3523 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
3525 } else if (ret > 0) {
3530 /* Scan state should be updated upon scan completion but in case
3531 * firmware fails to deliver the event (for whatever reason) it is
3532 * desired to clean up scan state anyway. Firmware may have just
3533 * dropped the scan completion event delivery due to transport pipe
3534 * being overflown with data and/or it can recover on its own before
3535 * next scan request is submitted.
3537 spin_lock_bh(&ar->data_lock);
3538 if (ar->scan.state != ATH10K_SCAN_IDLE)
3539 __ath10k_scan_finish(ar);
3540 spin_unlock_bh(&ar->data_lock);
3545 static void ath10k_scan_abort(struct ath10k *ar)
3549 lockdep_assert_held(&ar->conf_mutex);
3551 spin_lock_bh(&ar->data_lock);
3553 switch (ar->scan.state) {
3554 case ATH10K_SCAN_IDLE:
3555 /* This can happen if timeout worker kicked in and called
3556 * abortion while scan completion was being processed.
3559 case ATH10K_SCAN_STARTING:
3560 case ATH10K_SCAN_ABORTING:
3561 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
3562 ath10k_scan_state_str(ar->scan.state),
3565 case ATH10K_SCAN_RUNNING:
3566 ar->scan.state = ATH10K_SCAN_ABORTING;
3567 spin_unlock_bh(&ar->data_lock);
3569 ret = ath10k_scan_stop(ar);
3571 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
3573 spin_lock_bh(&ar->data_lock);
3577 spin_unlock_bh(&ar->data_lock);
3580 void ath10k_scan_timeout_work(struct work_struct *work)
3582 struct ath10k *ar = container_of(work, struct ath10k,
3585 mutex_lock(&ar->conf_mutex);
3586 ath10k_scan_abort(ar);
3587 mutex_unlock(&ar->conf_mutex);
3590 static int ath10k_start_scan(struct ath10k *ar,
3591 const struct wmi_start_scan_arg *arg)
3595 lockdep_assert_held(&ar->conf_mutex);
3597 ret = ath10k_wmi_start_scan(ar, arg);
3601 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3603 ret = ath10k_scan_stop(ar);
3605 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
3610 /* If we failed to start the scan, return error code at
3611 * this point. This is probably due to some issue in the
3612 * firmware, but no need to wedge the driver due to that...
3614 spin_lock_bh(&ar->data_lock);
3615 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3616 spin_unlock_bh(&ar->data_lock);
3619 spin_unlock_bh(&ar->data_lock);
3624 /**********************/
3625 /* mac80211 callbacks */
3626 /**********************/
3628 static void ath10k_tx(struct ieee80211_hw *hw,
3629 struct ieee80211_tx_control *control,
3630 struct sk_buff *skb)
3632 struct ath10k *ar = hw->priv;
3633 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3634 struct ieee80211_vif *vif = info->control.vif;
3635 struct ieee80211_sta *sta = control->sta;
3636 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3637 __le16 fc = hdr->frame_control;
3639 /* We should disable CCK RATE due to P2P */
3640 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
3641 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
3643 ATH10K_SKB_CB(skb)->htt.is_offchan = false;
3644 ATH10K_SKB_CB(skb)->htt.freq = 0;
3645 ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr);
3646 ATH10K_SKB_CB(skb)->htt.nohwcrypt = !ath10k_tx_h_use_hwcrypto(vif, skb);
3647 ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif);
3648 ATH10K_SKB_CB(skb)->txmode = ath10k_tx_h_get_txmode(ar, vif, sta, skb);
3649 ATH10K_SKB_CB(skb)->is_protected = ieee80211_has_protected(fc);
3651 switch (ATH10K_SKB_CB(skb)->txmode) {
3652 case ATH10K_HW_TXRX_MGMT:
3653 case ATH10K_HW_TXRX_NATIVE_WIFI:
3654 ath10k_tx_h_nwifi(hw, skb);
3655 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3656 ath10k_tx_h_seq_no(vif, skb);
3658 case ATH10K_HW_TXRX_ETHERNET:
3659 ath10k_tx_h_8023(skb);
3661 case ATH10K_HW_TXRX_RAW:
3662 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
3664 ieee80211_free_txskb(hw, skb);
3669 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3670 spin_lock_bh(&ar->data_lock);
3671 ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq;
3672 ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id;
3673 spin_unlock_bh(&ar->data_lock);
3675 if (ath10k_mac_need_offchan_tx_work(ar)) {
3676 ATH10K_SKB_CB(skb)->htt.freq = 0;
3677 ATH10K_SKB_CB(skb)->htt.is_offchan = true;
3679 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3682 skb_queue_tail(&ar->offchan_tx_queue, skb);
3683 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3688 ath10k_mac_tx(ar, skb);
3691 /* Must not be called with conf_mutex held as workers can use that also. */
3692 void ath10k_drain_tx(struct ath10k *ar)
3694 /* make sure rcu-protected mac80211 tx path itself is drained */
3697 ath10k_offchan_tx_purge(ar);
3698 ath10k_mgmt_over_wmi_tx_purge(ar);
3700 cancel_work_sync(&ar->offchan_tx_work);
3701 cancel_work_sync(&ar->wmi_mgmt_tx_work);
3704 void ath10k_halt(struct ath10k *ar)
3706 struct ath10k_vif *arvif;
3708 lockdep_assert_held(&ar->conf_mutex);
3710 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
3711 ar->filter_flags = 0;
3712 ar->monitor = false;
3713 ar->monitor_arvif = NULL;
3715 if (ar->monitor_started)
3716 ath10k_monitor_stop(ar);
3718 ar->monitor_started = false;
3721 ath10k_scan_finish(ar);
3722 ath10k_peer_cleanup_all(ar);
3723 ath10k_core_stop(ar);
3724 ath10k_hif_power_down(ar);
3726 spin_lock_bh(&ar->data_lock);
3727 list_for_each_entry(arvif, &ar->arvifs, list)
3728 ath10k_mac_vif_beacon_cleanup(arvif);
3729 spin_unlock_bh(&ar->data_lock);
3732 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
3734 struct ath10k *ar = hw->priv;
3736 mutex_lock(&ar->conf_mutex);
3738 if (ar->cfg_tx_chainmask) {
3739 *tx_ant = ar->cfg_tx_chainmask;
3740 *rx_ant = ar->cfg_rx_chainmask;
3742 *tx_ant = ar->supp_tx_chainmask;
3743 *rx_ant = ar->supp_rx_chainmask;
3746 mutex_unlock(&ar->conf_mutex);
3751 static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
3753 /* It is not clear that allowing gaps in chainmask
3754 * is helpful. Probably it will not do what user
3755 * is hoping for, so warn in that case.
3757 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
3760 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
3764 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
3768 lockdep_assert_held(&ar->conf_mutex);
3770 ath10k_check_chain_mask(ar, tx_ant, "tx");
3771 ath10k_check_chain_mask(ar, rx_ant, "rx");
3773 ar->cfg_tx_chainmask = tx_ant;
3774 ar->cfg_rx_chainmask = rx_ant;
3776 if ((ar->state != ATH10K_STATE_ON) &&
3777 (ar->state != ATH10K_STATE_RESTARTED))
3780 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
3783 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
3788 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
3791 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
3799 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
3801 struct ath10k *ar = hw->priv;
3804 mutex_lock(&ar->conf_mutex);
3805 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
3806 mutex_unlock(&ar->conf_mutex);
3810 static int ath10k_start(struct ieee80211_hw *hw)
3812 struct ath10k *ar = hw->priv;
3817 * This makes sense only when restarting hw. It is harmless to call
3818 * uncoditionally. This is necessary to make sure no HTT/WMI tx
3819 * commands will be submitted while restarting.
3821 ath10k_drain_tx(ar);
3823 mutex_lock(&ar->conf_mutex);
3825 switch (ar->state) {
3826 case ATH10K_STATE_OFF:
3827 ar->state = ATH10K_STATE_ON;
3829 case ATH10K_STATE_RESTARTING:
3831 ar->state = ATH10K_STATE_RESTARTED;
3833 case ATH10K_STATE_ON:
3834 case ATH10K_STATE_RESTARTED:
3835 case ATH10K_STATE_WEDGED:
3839 case ATH10K_STATE_UTF:
3844 ret = ath10k_hif_power_up(ar);
3846 ath10k_err(ar, "Could not init hif: %d\n", ret);
3850 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
3852 ath10k_err(ar, "Could not init core: %d\n", ret);
3853 goto err_power_down;
3856 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1);
3858 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
3862 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1);
3864 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
3868 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
3869 ret = ath10k_wmi_adaptive_qcs(ar, true);
3871 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
3877 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
3878 burst_enable = ar->wmi.pdev_param->burst_enable;
3879 ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0);
3881 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
3886 if (ar->cfg_tx_chainmask)
3887 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask,
3888 ar->cfg_rx_chainmask);
3891 * By default FW set ARP frames ac to voice (6). In that case ARP
3892 * exchange is not working properly for UAPSD enabled AP. ARP requests
3893 * which arrives with access category 0 are processed by network stack
3894 * and send back with access category 0, but FW changes access category
3895 * to 6. Set ARP frames access category to best effort (0) solves
3899 ret = ath10k_wmi_pdev_set_param(ar,
3900 ar->wmi.pdev_param->arp_ac_override, 0);
3902 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
3907 ret = ath10k_wmi_pdev_set_param(ar,
3908 ar->wmi.pdev_param->ani_enable, 1);
3910 ath10k_warn(ar, "failed to enable ani by default: %d\n",
3915 ar->ani_enabled = true;
3917 ar->num_started_vdevs = 0;
3918 ath10k_regd_update(ar);
3920 ath10k_spectral_start(ar);
3921 ath10k_thermal_set_throttling(ar);
3923 mutex_unlock(&ar->conf_mutex);
3927 ath10k_core_stop(ar);
3930 ath10k_hif_power_down(ar);
3933 ar->state = ATH10K_STATE_OFF;
3936 mutex_unlock(&ar->conf_mutex);
3940 static void ath10k_stop(struct ieee80211_hw *hw)
3942 struct ath10k *ar = hw->priv;
3944 ath10k_drain_tx(ar);
3946 mutex_lock(&ar->conf_mutex);
3947 if (ar->state != ATH10K_STATE_OFF) {
3949 ar->state = ATH10K_STATE_OFF;
3951 mutex_unlock(&ar->conf_mutex);
3953 cancel_delayed_work_sync(&ar->scan.timeout);
3954 cancel_work_sync(&ar->restart_work);
3957 static int ath10k_config_ps(struct ath10k *ar)
3959 struct ath10k_vif *arvif;
3962 lockdep_assert_held(&ar->conf_mutex);
3964 list_for_each_entry(arvif, &ar->arvifs, list) {
3965 ret = ath10k_mac_vif_setup_ps(arvif);
3967 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
3975 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
3980 lockdep_assert_held(&ar->conf_mutex);
3982 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
3984 param = ar->wmi.pdev_param->txpower_limit2g;
3985 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
3987 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
3992 param = ar->wmi.pdev_param->txpower_limit5g;
3993 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
3995 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
4003 static int ath10k_mac_txpower_recalc(struct ath10k *ar)
4005 struct ath10k_vif *arvif;
4006 int ret, txpower = -1;
4008 lockdep_assert_held(&ar->conf_mutex);
4010 list_for_each_entry(arvif, &ar->arvifs, list) {
4011 WARN_ON(arvif->txpower < 0);
4014 txpower = arvif->txpower;
4016 txpower = min(txpower, arvif->txpower);
4019 if (WARN_ON(txpower == -1))
4022 ret = ath10k_mac_txpower_setup(ar, txpower);
4024 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4032 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4034 struct ath10k *ar = hw->priv;
4035 struct ieee80211_conf *conf = &hw->conf;
4038 mutex_lock(&ar->conf_mutex);
4040 if (changed & IEEE80211_CONF_CHANGE_PS)
4041 ath10k_config_ps(ar);
4043 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
4044 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4045 ret = ath10k_monitor_recalc(ar);
4047 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4050 mutex_unlock(&ar->conf_mutex);
4054 static u32 get_nss_from_chainmask(u16 chain_mask)
4056 if ((chain_mask & 0x15) == 0x15)
4058 else if ((chain_mask & 0x7) == 0x7)
4060 else if ((chain_mask & 0x3) == 0x3)
4065 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
4067 int nsts = ar->vht_cap_info;
4068 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
4069 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
4071 /* If firmware does not deliver to host number of space-time
4072 * streams supported, assume it support up to 4 BF STS and return
4073 * the value for VHT CAP: nsts-1)
4081 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
4083 int sound_dim = ar->vht_cap_info;
4084 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
4085 sound_dim >>=IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
4087 /* If the sounding dimension is not advertised by the firmware,
4088 * let's use a default value of 1
4096 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
4099 struct ath10k *ar = arvif->ar;
4103 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
4106 nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
4107 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4108 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
4109 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
4111 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4112 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4113 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
4114 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
4119 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
4120 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
4122 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
4123 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
4124 WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
4126 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
4127 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
4129 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
4130 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
4131 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
4133 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
4134 ar->wmi.vdev_param->txbf, value);
4139 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4140 * because we will send mgmt frames without CCK. This requirement
4141 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4144 static int ath10k_add_interface(struct ieee80211_hw *hw,
4145 struct ieee80211_vif *vif)
4147 struct ath10k *ar = hw->priv;
4148 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4149 enum wmi_sta_powersave_param param;
4156 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4158 mutex_lock(&ar->conf_mutex);
4160 memset(arvif, 0, sizeof(*arvif));
4165 INIT_LIST_HEAD(&arvif->list);
4166 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
4167 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4168 ath10k_mac_vif_sta_connection_loss_work);
4170 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4171 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4172 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4173 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4174 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4175 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4178 if (ar->num_peers >= ar->max_num_peers) {
4179 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
4184 if (ar->free_vdev_map == 0) {
4185 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
4189 bit = __ffs64(ar->free_vdev_map);
4191 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4192 bit, ar->free_vdev_map);
4194 arvif->vdev_id = bit;
4195 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
4197 switch (vif->type) {
4198 case NL80211_IFTYPE_P2P_DEVICE:
4199 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4200 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;
4202 case NL80211_IFTYPE_UNSPECIFIED:
4203 case NL80211_IFTYPE_STATION:
4204 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4206 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT;
4208 case NL80211_IFTYPE_ADHOC:
4209 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4211 case NL80211_IFTYPE_MESH_POINT:
4212 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4214 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
4217 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4219 case NL80211_IFTYPE_AP:
4220 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4223 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO;
4225 case NL80211_IFTYPE_MONITOR:
4226 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4233 /* Using vdev_id as queue number will make it very easy to do per-vif
4234 * tx queue locking. This shouldn't wrap due to interface combinations
4235 * but do a modulo for correctness sake and prevent using offchannel tx
4236 * queues for regular vif tx.
4238 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4239 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4240 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4242 /* Some firmware revisions don't wait for beacon tx completion before
4243 * sending another SWBA event. This could lead to hardware using old
4244 * (freed) beacon data in some cases, e.g. tx credit starvation
4245 * combined with missed TBTT. This is very very rare.
4247 * On non-IOMMU-enabled hosts this could be a possible security issue
4248 * because hw could beacon some random data on the air. On
4249 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4250 * device would crash.
4252 * Since there are no beacon tx completions (implicit nor explicit)
4253 * propagated to host the only workaround for this is to allocate a
4254 * DMA-coherent buffer for a lifetime of a vif and use it for all
4255 * beacon tx commands. Worst case for this approach is some beacons may
4256 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4258 if (vif->type == NL80211_IFTYPE_ADHOC ||
4259 vif->type == NL80211_IFTYPE_MESH_POINT ||
4260 vif->type == NL80211_IFTYPE_AP) {
4261 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4262 IEEE80211_MAX_FRAME_LEN,
4263 &arvif->beacon_paddr,
4265 if (!arvif->beacon_buf) {
4267 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4272 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
4273 arvif->nohwcrypt = true;
4275 if (arvif->nohwcrypt &&
4276 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4277 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
4281 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4282 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4283 arvif->beacon_buf ? "single-buf" : "per-skb");
4285 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4286 arvif->vdev_subtype, vif->addr);
4288 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
4289 arvif->vdev_id, ret);
4293 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
4294 list_add(&arvif->list, &ar->arvifs);
4296 /* It makes no sense to have firmware do keepalives. mac80211 already
4297 * takes care of this with idle connection polling.
4299 ret = ath10k_mac_vif_disable_keepalive(arvif);
4301 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
4302 arvif->vdev_id, ret);
4303 goto err_vdev_delete;
4306 arvif->def_wep_key_idx = -1;
4308 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4309 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4310 ATH10K_HW_TXRX_NATIVE_WIFI);
4311 /* 10.X firmware does not support this VDEV parameter. Do not warn */
4312 if (ret && ret != -EOPNOTSUPP) {
4313 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
4314 arvif->vdev_id, ret);
4315 goto err_vdev_delete;
4318 if (ar->cfg_tx_chainmask) {
4319 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4321 vdev_param = ar->wmi.vdev_param->nss;
4322 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4325 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4326 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4328 goto err_vdev_delete;
4332 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4333 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4334 ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr,
4335 WMI_PEER_TYPE_DEFAULT);
4337 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
4338 arvif->vdev_id, ret);
4339 goto err_vdev_delete;
4343 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4344 ret = ath10k_mac_set_kickout(arvif);
4346 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
4347 arvif->vdev_id, ret);
4348 goto err_peer_delete;
4352 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4353 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4354 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4355 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4358 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
4359 arvif->vdev_id, ret);
4360 goto err_peer_delete;
4363 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
4365 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
4366 arvif->vdev_id, ret);
4367 goto err_peer_delete;
4370 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
4372 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
4373 arvif->vdev_id, ret);
4374 goto err_peer_delete;
4378 ret = ath10k_mac_set_txbf_conf(arvif);
4380 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
4381 arvif->vdev_id, ret);
4382 goto err_peer_delete;
4385 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
4387 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
4388 arvif->vdev_id, ret);
4389 goto err_peer_delete;
4392 arvif->txpower = vif->bss_conf.txpower;
4393 ret = ath10k_mac_txpower_recalc(ar);
4395 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4396 goto err_peer_delete;
4399 if (vif->type == NL80211_IFTYPE_MONITOR) {
4400 ar->monitor_arvif = arvif;
4401 ret = ath10k_monitor_recalc(ar);
4403 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4404 goto err_peer_delete;
4408 spin_lock_bh(&ar->htt.tx_lock);
4410 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
4411 spin_unlock_bh(&ar->htt.tx_lock);
4413 mutex_unlock(&ar->conf_mutex);
4417 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4418 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
4419 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4422 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4423 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4424 list_del(&arvif->list);
4427 if (arvif->beacon_buf) {
4428 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4429 arvif->beacon_buf, arvif->beacon_paddr);
4430 arvif->beacon_buf = NULL;
4433 mutex_unlock(&ar->conf_mutex);
4438 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4442 for (i = 0; i < BITS_PER_LONG; i++)
4443 ath10k_mac_vif_tx_unlock(arvif, i);
4446 static void ath10k_remove_interface(struct ieee80211_hw *hw,
4447 struct ieee80211_vif *vif)
4449 struct ath10k *ar = hw->priv;
4450 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4453 cancel_work_sync(&arvif->ap_csa_work);
4454 cancel_delayed_work_sync(&arvif->connection_loss_work);
4456 mutex_lock(&ar->conf_mutex);
4458 spin_lock_bh(&ar->data_lock);
4459 ath10k_mac_vif_beacon_cleanup(arvif);
4460 spin_unlock_bh(&ar->data_lock);
4462 ret = ath10k_spectral_vif_stop(arvif);
4464 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
4465 arvif->vdev_id, ret);
4467 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4468 list_del(&arvif->list);
4470 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4471 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4472 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4475 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
4476 arvif->vdev_id, ret);
4478 kfree(arvif->u.ap.noa_data);
4481 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
4484 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4486 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
4487 arvif->vdev_id, ret);
4489 /* Some firmware revisions don't notify host about self-peer removal
4490 * until after associated vdev is deleted.
4492 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4493 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4494 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
4497 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
4498 arvif->vdev_id, ret);
4500 spin_lock_bh(&ar->data_lock);
4502 spin_unlock_bh(&ar->data_lock);
4505 ath10k_peer_cleanup(ar, arvif->vdev_id);
4507 if (vif->type == NL80211_IFTYPE_MONITOR) {
4508 ar->monitor_arvif = NULL;
4509 ret = ath10k_monitor_recalc(ar);
4511 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4514 spin_lock_bh(&ar->htt.tx_lock);
4515 ath10k_mac_vif_tx_unlock_all(arvif);
4516 spin_unlock_bh(&ar->htt.tx_lock);
4518 mutex_unlock(&ar->conf_mutex);
4522 * FIXME: Has to be verified.
4524 #define SUPPORTED_FILTERS \
4529 FIF_BCN_PRBRESP_PROMISC | \
4533 static void ath10k_configure_filter(struct ieee80211_hw *hw,
4534 unsigned int changed_flags,
4535 unsigned int *total_flags,
4538 struct ath10k *ar = hw->priv;
4541 mutex_lock(&ar->conf_mutex);
4543 changed_flags &= SUPPORTED_FILTERS;
4544 *total_flags &= SUPPORTED_FILTERS;
4545 ar->filter_flags = *total_flags;
4547 ret = ath10k_monitor_recalc(ar);
4549 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
4551 mutex_unlock(&ar->conf_mutex);
4554 static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
4555 struct ieee80211_vif *vif,
4556 struct ieee80211_bss_conf *info,
4559 struct ath10k *ar = hw->priv;
4560 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4562 u32 vdev_param, pdev_param, slottime, preamble;
4564 mutex_lock(&ar->conf_mutex);
4566 if (changed & BSS_CHANGED_IBSS)
4567 ath10k_control_ibss(arvif, info, vif->addr);
4569 if (changed & BSS_CHANGED_BEACON_INT) {
4570 arvif->beacon_interval = info->beacon_int;
4571 vdev_param = ar->wmi.vdev_param->beacon_interval;
4572 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4573 arvif->beacon_interval);
4574 ath10k_dbg(ar, ATH10K_DBG_MAC,
4575 "mac vdev %d beacon_interval %d\n",
4576 arvif->vdev_id, arvif->beacon_interval);
4579 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
4580 arvif->vdev_id, ret);
4583 if (changed & BSS_CHANGED_BEACON) {
4584 ath10k_dbg(ar, ATH10K_DBG_MAC,
4585 "vdev %d set beacon tx mode to staggered\n",
4588 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
4589 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
4590 WMI_BEACON_STAGGERED_MODE);
4592 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
4593 arvif->vdev_id, ret);
4595 ret = ath10k_mac_setup_bcn_tmpl(arvif);
4597 ath10k_warn(ar, "failed to update beacon template: %d\n",
4600 if (ieee80211_vif_is_mesh(vif)) {
4601 /* mesh doesn't use SSID but firmware needs it */
4602 strncpy(arvif->u.ap.ssid, "mesh",
4603 sizeof(arvif->u.ap.ssid));
4604 arvif->u.ap.ssid_len = 4;
4608 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
4609 ret = ath10k_mac_setup_prb_tmpl(arvif);
4611 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
4612 arvif->vdev_id, ret);
4615 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
4616 arvif->dtim_period = info->dtim_period;
4618 ath10k_dbg(ar, ATH10K_DBG_MAC,
4619 "mac vdev %d dtim_period %d\n",
4620 arvif->vdev_id, arvif->dtim_period);
4622 vdev_param = ar->wmi.vdev_param->dtim_period;
4623 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4624 arvif->dtim_period);
4626 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
4627 arvif->vdev_id, ret);
4630 if (changed & BSS_CHANGED_SSID &&
4631 vif->type == NL80211_IFTYPE_AP) {
4632 arvif->u.ap.ssid_len = info->ssid_len;
4634 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
4635 arvif->u.ap.hidden_ssid = info->hidden_ssid;
4638 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
4639 ether_addr_copy(arvif->bssid, info->bssid);
4641 if (changed & BSS_CHANGED_BEACON_ENABLED)
4642 ath10k_control_beaconing(arvif, info);
4644 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
4645 arvif->use_cts_prot = info->use_cts_prot;
4646 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
4647 arvif->vdev_id, info->use_cts_prot);
4649 ret = ath10k_recalc_rtscts_prot(arvif);
4651 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
4652 arvif->vdev_id, ret);
4654 vdev_param = ar->wmi.vdev_param->protection_mode;
4655 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4656 info->use_cts_prot ? 1 : 0);
4658 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
4659 info->use_cts_prot, arvif->vdev_id, ret);
4662 if (changed & BSS_CHANGED_ERP_SLOT) {
4663 if (info->use_short_slot)
4664 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
4667 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
4669 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
4670 arvif->vdev_id, slottime);
4672 vdev_param = ar->wmi.vdev_param->slot_time;
4673 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4676 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
4677 arvif->vdev_id, ret);
4680 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
4681 if (info->use_short_preamble)
4682 preamble = WMI_VDEV_PREAMBLE_SHORT;
4684 preamble = WMI_VDEV_PREAMBLE_LONG;
4686 ath10k_dbg(ar, ATH10K_DBG_MAC,
4687 "mac vdev %d preamble %dn",
4688 arvif->vdev_id, preamble);
4690 vdev_param = ar->wmi.vdev_param->preamble;
4691 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4694 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
4695 arvif->vdev_id, ret);
4698 if (changed & BSS_CHANGED_ASSOC) {
4700 /* Workaround: Make sure monitor vdev is not running
4701 * when associating to prevent some firmware revisions
4702 * (e.g. 10.1 and 10.2) from crashing.
4704 if (ar->monitor_started)
4705 ath10k_monitor_stop(ar);
4706 ath10k_bss_assoc(hw, vif, info);
4707 ath10k_monitor_recalc(ar);
4709 ath10k_bss_disassoc(hw, vif);
4713 if (changed & BSS_CHANGED_TXPOWER) {
4714 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
4715 arvif->vdev_id, info->txpower);
4717 arvif->txpower = info->txpower;
4718 ret = ath10k_mac_txpower_recalc(ar);
4720 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4723 if (changed & BSS_CHANGED_PS) {
4724 arvif->ps = vif->bss_conf.ps;
4726 ret = ath10k_config_ps(ar);
4728 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
4729 arvif->vdev_id, ret);
4732 mutex_unlock(&ar->conf_mutex);
4735 static int ath10k_hw_scan(struct ieee80211_hw *hw,
4736 struct ieee80211_vif *vif,
4737 struct ieee80211_scan_request *hw_req)
4739 struct ath10k *ar = hw->priv;
4740 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4741 struct cfg80211_scan_request *req = &hw_req->req;
4742 struct wmi_start_scan_arg arg;
4746 mutex_lock(&ar->conf_mutex);
4748 spin_lock_bh(&ar->data_lock);
4749 switch (ar->scan.state) {
4750 case ATH10K_SCAN_IDLE:
4751 reinit_completion(&ar->scan.started);
4752 reinit_completion(&ar->scan.completed);
4753 ar->scan.state = ATH10K_SCAN_STARTING;
4754 ar->scan.is_roc = false;
4755 ar->scan.vdev_id = arvif->vdev_id;
4758 case ATH10K_SCAN_STARTING:
4759 case ATH10K_SCAN_RUNNING:
4760 case ATH10K_SCAN_ABORTING:
4764 spin_unlock_bh(&ar->data_lock);
4769 memset(&arg, 0, sizeof(arg));
4770 ath10k_wmi_start_scan_init(ar, &arg);
4771 arg.vdev_id = arvif->vdev_id;
4772 arg.scan_id = ATH10K_SCAN_ID;
4775 arg.ie_len = req->ie_len;
4776 memcpy(arg.ie, req->ie, arg.ie_len);
4780 arg.n_ssids = req->n_ssids;
4781 for (i = 0; i < arg.n_ssids; i++) {
4782 arg.ssids[i].len = req->ssids[i].ssid_len;
4783 arg.ssids[i].ssid = req->ssids[i].ssid;
4786 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
4789 if (req->n_channels) {
4790 arg.n_channels = req->n_channels;
4791 for (i = 0; i < arg.n_channels; i++)
4792 arg.channels[i] = req->channels[i]->center_freq;
4795 ret = ath10k_start_scan(ar, &arg);
4797 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
4798 spin_lock_bh(&ar->data_lock);
4799 ar->scan.state = ATH10K_SCAN_IDLE;
4800 spin_unlock_bh(&ar->data_lock);
4803 /* Add a 200ms margin to account for event/command processing */
4804 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
4805 msecs_to_jiffies(arg.max_scan_time +
4809 mutex_unlock(&ar->conf_mutex);
4813 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
4814 struct ieee80211_vif *vif)
4816 struct ath10k *ar = hw->priv;
4818 mutex_lock(&ar->conf_mutex);
4819 ath10k_scan_abort(ar);
4820 mutex_unlock(&ar->conf_mutex);
4822 cancel_delayed_work_sync(&ar->scan.timeout);
4825 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
4826 struct ath10k_vif *arvif,
4827 enum set_key_cmd cmd,
4828 struct ieee80211_key_conf *key)
4830 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
4833 /* 10.1 firmware branch requires default key index to be set to group
4834 * key index after installing it. Otherwise FW/HW Txes corrupted
4835 * frames with multi-vif APs. This is not required for main firmware
4836 * branch (e.g. 636).
4838 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
4840 * FIXME: It remains unknown if this is required for multi-vif STA
4841 * interfaces on 10.1.
4844 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
4845 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
4848 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
4851 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
4854 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4860 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4863 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
4864 arvif->vdev_id, ret);
4867 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
4868 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
4869 struct ieee80211_key_conf *key)
4871 struct ath10k *ar = hw->priv;
4872 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4873 struct ath10k_peer *peer;
4874 const u8 *peer_addr;
4875 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
4876 key->cipher == WLAN_CIPHER_SUITE_WEP104;
4882 /* this one needs to be done in software */
4883 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
4886 if (arvif->nohwcrypt)
4889 if (key->keyidx > WMI_MAX_KEY_INDEX)
4892 mutex_lock(&ar->conf_mutex);
4895 peer_addr = sta->addr;
4896 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
4897 peer_addr = vif->bss_conf.bssid;
4899 peer_addr = vif->addr;
4901 key->hw_key_idx = key->keyidx;
4905 arvif->wep_keys[key->keyidx] = key;
4907 arvif->wep_keys[key->keyidx] = NULL;
4910 /* the peer should not disappear in mid-way (unless FW goes awry) since
4911 * we already hold conf_mutex. we just make sure its there now. */
4912 spin_lock_bh(&ar->data_lock);
4913 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
4914 spin_unlock_bh(&ar->data_lock);
4917 if (cmd == SET_KEY) {
4918 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
4923 /* if the peer doesn't exist there is no key to disable
4929 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4930 flags |= WMI_KEY_PAIRWISE;
4932 flags |= WMI_KEY_GROUP;
4935 if (cmd == DISABLE_KEY)
4936 ath10k_clear_vdev_key(arvif, key);
4938 /* When WEP keys are uploaded it's possible that there are
4939 * stations associated already (e.g. when merging) without any
4940 * keys. Static WEP needs an explicit per-peer key upload.
4942 if (vif->type == NL80211_IFTYPE_ADHOC &&
4944 ath10k_mac_vif_update_wep_key(arvif, key);
4946 /* 802.1x never sets the def_wep_key_idx so each set_key()
4947 * call changes default tx key.
4949 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
4950 * after first set_key().
4952 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
4953 flags |= WMI_KEY_TX_USAGE;
4956 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
4959 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
4960 arvif->vdev_id, peer_addr, ret);
4964 /* mac80211 sets static WEP keys as groupwise while firmware requires
4965 * them to be installed twice as both pairwise and groupwise.
4967 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
4969 flags2 &= ~WMI_KEY_GROUP;
4970 flags2 |= WMI_KEY_PAIRWISE;
4972 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
4975 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
4976 arvif->vdev_id, peer_addr, ret);
4977 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
4981 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
4982 arvif->vdev_id, peer_addr, ret2);
4988 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
4990 spin_lock_bh(&ar->data_lock);
4991 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
4992 if (peer && cmd == SET_KEY)
4993 peer->keys[key->keyidx] = key;
4994 else if (peer && cmd == DISABLE_KEY)
4995 peer->keys[key->keyidx] = NULL;
4996 else if (peer == NULL)
4997 /* impossible unless FW goes crazy */
4998 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
4999 spin_unlock_bh(&ar->data_lock);
5002 mutex_unlock(&ar->conf_mutex);
5006 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
5007 struct ieee80211_vif *vif,
5010 struct ath10k *ar = hw->priv;
5011 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5014 mutex_lock(&arvif->ar->conf_mutex);
5016 if (arvif->ar->state != ATH10K_STATE_ON)
5019 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
5020 arvif->vdev_id, keyidx);
5022 ret = ath10k_wmi_vdev_set_param(arvif->ar,
5024 arvif->ar->wmi.vdev_param->def_keyid,
5028 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
5034 arvif->def_wep_key_idx = keyidx;
5037 mutex_unlock(&arvif->ar->conf_mutex);
5040 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
5043 struct ath10k_vif *arvif;
5044 struct ath10k_sta *arsta;
5045 struct ieee80211_sta *sta;
5046 struct cfg80211_chan_def def;
5047 enum ieee80211_band band;
5048 const u8 *ht_mcs_mask;
5049 const u16 *vht_mcs_mask;
5050 u32 changed, bw, nss, smps;
5053 arsta = container_of(wk, struct ath10k_sta, update_wk);
5054 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
5055 arvif = arsta->arvif;
5058 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
5061 band = def.chan->band;
5062 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
5063 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
5065 spin_lock_bh(&ar->data_lock);
5067 changed = arsta->changed;
5074 spin_unlock_bh(&ar->data_lock);
5076 mutex_lock(&ar->conf_mutex);
5078 nss = max_t(u32, 1, nss);
5079 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5080 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5082 if (changed & IEEE80211_RC_BW_CHANGED) {
5083 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
5086 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5087 WMI_PEER_CHAN_WIDTH, bw);
5089 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
5090 sta->addr, bw, err);
5093 if (changed & IEEE80211_RC_NSS_CHANGED) {
5094 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
5097 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5100 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
5101 sta->addr, nss, err);
5104 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5105 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
5108 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5109 WMI_PEER_SMPS_STATE, smps);
5111 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
5112 sta->addr, smps, err);
5115 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
5116 changed & IEEE80211_RC_NSS_CHANGED) {
5117 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
5120 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
5122 ath10k_warn(ar, "failed to reassociate station: %pM\n",
5126 mutex_unlock(&ar->conf_mutex);
5129 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
5130 struct ieee80211_sta *sta)
5132 struct ath10k *ar = arvif->ar;
5134 lockdep_assert_held(&ar->conf_mutex);
5136 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5139 if (ar->num_stations >= ar->max_num_stations)
5147 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5148 struct ieee80211_sta *sta)
5150 struct ath10k *ar = arvif->ar;
5152 lockdep_assert_held(&ar->conf_mutex);
5154 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5160 struct ath10k_mac_tdls_iter_data {
5161 u32 num_tdls_stations;
5162 struct ieee80211_vif *curr_vif;
5165 static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5166 struct ieee80211_sta *sta)
5168 struct ath10k_mac_tdls_iter_data *iter_data = data;
5169 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5170 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5172 if (sta->tdls && sta_vif == iter_data->curr_vif)
5173 iter_data->num_tdls_stations++;
5176 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5177 struct ieee80211_vif *vif)
5179 struct ath10k_mac_tdls_iter_data data = {};
5181 data.curr_vif = vif;
5183 ieee80211_iterate_stations_atomic(hw,
5184 ath10k_mac_tdls_vif_stations_count_iter,
5186 return data.num_tdls_stations;
5189 static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5190 struct ieee80211_vif *vif)
5192 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5193 int *num_tdls_vifs = data;
5195 if (vif->type != NL80211_IFTYPE_STATION)
5198 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5202 static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5204 int num_tdls_vifs = 0;
5206 ieee80211_iterate_active_interfaces_atomic(hw,
5207 IEEE80211_IFACE_ITER_NORMAL,
5208 ath10k_mac_tdls_vifs_count_iter,
5210 return num_tdls_vifs;
5213 static int ath10k_sta_state(struct ieee80211_hw *hw,
5214 struct ieee80211_vif *vif,
5215 struct ieee80211_sta *sta,
5216 enum ieee80211_sta_state old_state,
5217 enum ieee80211_sta_state new_state)
5219 struct ath10k *ar = hw->priv;
5220 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5221 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5224 if (old_state == IEEE80211_STA_NOTEXIST &&
5225 new_state == IEEE80211_STA_NONE) {
5226 memset(arsta, 0, sizeof(*arsta));
5227 arsta->arvif = arvif;
5228 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5231 /* cancel must be done outside the mutex to avoid deadlock */
5232 if ((old_state == IEEE80211_STA_NONE &&
5233 new_state == IEEE80211_STA_NOTEXIST))
5234 cancel_work_sync(&arsta->update_wk);
5236 mutex_lock(&ar->conf_mutex);
5238 if (old_state == IEEE80211_STA_NOTEXIST &&
5239 new_state == IEEE80211_STA_NONE) {
5241 * New station addition.
5243 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5244 u32 num_tdls_stations;
5247 ath10k_dbg(ar, ATH10K_DBG_MAC,
5248 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5249 arvif->vdev_id, sta->addr,
5250 ar->num_stations + 1, ar->max_num_stations,
5251 ar->num_peers + 1, ar->max_num_peers);
5253 ret = ath10k_mac_inc_num_stations(arvif, sta);
5255 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5256 ar->max_num_stations);
5261 peer_type = WMI_PEER_TYPE_TDLS;
5263 ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr,
5266 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
5267 sta->addr, arvif->vdev_id, ret);
5268 ath10k_mac_dec_num_stations(arvif, sta);
5275 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5276 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5278 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5279 num_tdls_stations == 0) {
5280 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5281 arvif->vdev_id, ar->max_num_tdls_vdevs);
5282 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5283 ath10k_mac_dec_num_stations(arvif, sta);
5288 if (num_tdls_stations == 0) {
5289 /* This is the first tdls peer in current vif */
5290 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
5292 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5295 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5296 arvif->vdev_id, ret);
5297 ath10k_peer_delete(ar, arvif->vdev_id,
5299 ath10k_mac_dec_num_stations(arvif, sta);
5304 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5305 WMI_TDLS_PEER_STATE_PEERING);
5308 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5309 sta->addr, arvif->vdev_id, ret);
5310 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5311 ath10k_mac_dec_num_stations(arvif, sta);
5313 if (num_tdls_stations != 0)
5315 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5318 } else if ((old_state == IEEE80211_STA_NONE &&
5319 new_state == IEEE80211_STA_NOTEXIST)) {
5321 * Existing station deletion.
5323 ath10k_dbg(ar, ATH10K_DBG_MAC,
5324 "mac vdev %d peer delete %pM (sta gone)\n",
5325 arvif->vdev_id, sta->addr);
5327 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5329 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
5330 sta->addr, arvif->vdev_id, ret);
5332 ath10k_mac_dec_num_stations(arvif, sta);
5337 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5340 /* This was the last tdls peer in current vif */
5341 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5344 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5345 arvif->vdev_id, ret);
5347 } else if (old_state == IEEE80211_STA_AUTH &&
5348 new_state == IEEE80211_STA_ASSOC &&
5349 (vif->type == NL80211_IFTYPE_AP ||
5350 vif->type == NL80211_IFTYPE_MESH_POINT ||
5351 vif->type == NL80211_IFTYPE_ADHOC)) {
5355 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
5358 ret = ath10k_station_assoc(ar, vif, sta, false);
5360 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
5361 sta->addr, arvif->vdev_id, ret);
5362 } else if (old_state == IEEE80211_STA_ASSOC &&
5363 new_state == IEEE80211_STA_AUTHORIZED &&
5366 * Tdls station authorized.
5368 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5371 ret = ath10k_station_assoc(ar, vif, sta, false);
5373 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5374 sta->addr, arvif->vdev_id, ret);
5378 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5379 WMI_TDLS_PEER_STATE_CONNECTED);
5381 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5382 sta->addr, arvif->vdev_id, ret);
5383 } else if (old_state == IEEE80211_STA_ASSOC &&
5384 new_state == IEEE80211_STA_AUTH &&
5385 (vif->type == NL80211_IFTYPE_AP ||
5386 vif->type == NL80211_IFTYPE_MESH_POINT ||
5387 vif->type == NL80211_IFTYPE_ADHOC)) {
5391 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
5394 ret = ath10k_station_disassoc(ar, vif, sta);
5396 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
5397 sta->addr, arvif->vdev_id, ret);
5400 mutex_unlock(&ar->conf_mutex);
5404 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5405 u16 ac, bool enable)
5407 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5408 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5409 u32 prio = 0, acc = 0;
5413 lockdep_assert_held(&ar->conf_mutex);
5415 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5419 case IEEE80211_AC_VO:
5420 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5421 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
5425 case IEEE80211_AC_VI:
5426 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5427 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
5431 case IEEE80211_AC_BE:
5432 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5433 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
5437 case IEEE80211_AC_BK:
5438 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5439 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
5446 arvif->u.sta.uapsd |= value;
5448 arvif->u.sta.uapsd &= ~value;
5450 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5451 WMI_STA_PS_PARAM_UAPSD,
5452 arvif->u.sta.uapsd);
5454 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5458 if (arvif->u.sta.uapsd)
5459 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5461 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5463 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5464 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5467 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5469 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5471 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5472 arvif->vdev_id, ret);
5476 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5478 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
5479 arvif->vdev_id, ret);
5483 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
5484 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
5485 /* Only userspace can make an educated decision when to send
5486 * trigger frame. The following effectively disables u-UAPSD
5487 * autotrigger in firmware (which is enabled by default
5488 * provided the autotrigger service is available).
5492 arg.user_priority = prio;
5493 arg.service_interval = 0;
5494 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5495 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5497 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
5498 arvif->bssid, &arg, 1);
5500 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
5510 static int ath10k_conf_tx(struct ieee80211_hw *hw,
5511 struct ieee80211_vif *vif, u16 ac,
5512 const struct ieee80211_tx_queue_params *params)
5514 struct ath10k *ar = hw->priv;
5515 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5516 struct wmi_wmm_params_arg *p = NULL;
5519 mutex_lock(&ar->conf_mutex);
5522 case IEEE80211_AC_VO:
5523 p = &arvif->wmm_params.ac_vo;
5525 case IEEE80211_AC_VI:
5526 p = &arvif->wmm_params.ac_vi;
5528 case IEEE80211_AC_BE:
5529 p = &arvif->wmm_params.ac_be;
5531 case IEEE80211_AC_BK:
5532 p = &arvif->wmm_params.ac_bk;
5541 p->cwmin = params->cw_min;
5542 p->cwmax = params->cw_max;
5543 p->aifs = params->aifs;
5546 * The channel time duration programmed in the HW is in absolute
5547 * microseconds, while mac80211 gives the txop in units of
5550 p->txop = params->txop * 32;
5552 if (ar->wmi.ops->gen_vdev_wmm_conf) {
5553 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
5554 &arvif->wmm_params);
5556 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
5557 arvif->vdev_id, ret);
5561 /* This won't work well with multi-interface cases but it's
5562 * better than nothing.
5564 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
5566 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
5571 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5573 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
5576 mutex_unlock(&ar->conf_mutex);
5580 #define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
5582 static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
5583 struct ieee80211_vif *vif,
5584 struct ieee80211_channel *chan,
5586 enum ieee80211_roc_type type)
5588 struct ath10k *ar = hw->priv;
5589 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5590 struct wmi_start_scan_arg arg;
5594 mutex_lock(&ar->conf_mutex);
5596 spin_lock_bh(&ar->data_lock);
5597 switch (ar->scan.state) {
5598 case ATH10K_SCAN_IDLE:
5599 reinit_completion(&ar->scan.started);
5600 reinit_completion(&ar->scan.completed);
5601 reinit_completion(&ar->scan.on_channel);
5602 ar->scan.state = ATH10K_SCAN_STARTING;
5603 ar->scan.is_roc = true;
5604 ar->scan.vdev_id = arvif->vdev_id;
5605 ar->scan.roc_freq = chan->center_freq;
5606 ar->scan.roc_notify = true;
5609 case ATH10K_SCAN_STARTING:
5610 case ATH10K_SCAN_RUNNING:
5611 case ATH10K_SCAN_ABORTING:
5615 spin_unlock_bh(&ar->data_lock);
5620 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
5622 memset(&arg, 0, sizeof(arg));
5623 ath10k_wmi_start_scan_init(ar, &arg);
5624 arg.vdev_id = arvif->vdev_id;
5625 arg.scan_id = ATH10K_SCAN_ID;
5627 arg.channels[0] = chan->center_freq;
5628 arg.dwell_time_active = scan_time_msec;
5629 arg.dwell_time_passive = scan_time_msec;
5630 arg.max_scan_time = scan_time_msec;
5631 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5632 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
5633 arg.burst_duration_ms = duration;
5635 ret = ath10k_start_scan(ar, &arg);
5637 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
5638 spin_lock_bh(&ar->data_lock);
5639 ar->scan.state = ATH10K_SCAN_IDLE;
5640 spin_unlock_bh(&ar->data_lock);
5644 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
5646 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
5648 ret = ath10k_scan_stop(ar);
5650 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5656 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5657 msecs_to_jiffies(duration));
5661 mutex_unlock(&ar->conf_mutex);
5665 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
5667 struct ath10k *ar = hw->priv;
5669 mutex_lock(&ar->conf_mutex);
5671 spin_lock_bh(&ar->data_lock);
5672 ar->scan.roc_notify = false;
5673 spin_unlock_bh(&ar->data_lock);
5675 ath10k_scan_abort(ar);
5677 mutex_unlock(&ar->conf_mutex);
5679 cancel_delayed_work_sync(&ar->scan.timeout);
5685 * Both RTS and Fragmentation threshold are interface-specific
5686 * in ath10k, but device-specific in mac80211.
5689 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5691 struct ath10k *ar = hw->priv;
5692 struct ath10k_vif *arvif;
5695 mutex_lock(&ar->conf_mutex);
5696 list_for_each_entry(arvif, &ar->arvifs, list) {
5697 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
5698 arvif->vdev_id, value);
5700 ret = ath10k_mac_set_rts(arvif, value);
5702 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
5703 arvif->vdev_id, ret);
5707 mutex_unlock(&ar->conf_mutex);
5712 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
5714 /* Even though there's a WMI enum for fragmentation threshold no known
5715 * firmware actually implements it. Moreover it is not possible to rely
5716 * frame fragmentation to mac80211 because firmware clears the "more
5717 * fragments" bit in frame control making it impossible for remote
5718 * devices to reassemble frames.
5720 * Hence implement a dummy callback just to say fragmentation isn't
5721 * supported. This effectively prevents mac80211 from doing frame
5722 * fragmentation in software.
5727 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5728 u32 queues, bool drop)
5730 struct ath10k *ar = hw->priv;
5734 /* mac80211 doesn't care if we really xmit queued frames or not
5735 * we'll collect those frames either way if we stop/delete vdevs */
5739 mutex_lock(&ar->conf_mutex);
5741 if (ar->state == ATH10K_STATE_WEDGED)
5744 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
5747 spin_lock_bh(&ar->htt.tx_lock);
5748 empty = (ar->htt.num_pending_tx == 0);
5749 spin_unlock_bh(&ar->htt.tx_lock);
5751 skip = (ar->state == ATH10K_STATE_WEDGED) ||
5752 test_bit(ATH10K_FLAG_CRASH_FLUSH,
5756 }), ATH10K_FLUSH_TIMEOUT_HZ);
5758 if (time_left == 0 || skip)
5759 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
5760 skip, ar->state, time_left);
5763 mutex_unlock(&ar->conf_mutex);
5766 /* TODO: Implement this function properly
5767 * For now it is needed to reply to Probe Requests in IBSS mode.
5768 * Propably we need this information from FW.
5770 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
5775 static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
5776 enum ieee80211_reconfig_type reconfig_type)
5778 struct ath10k *ar = hw->priv;
5780 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
5783 mutex_lock(&ar->conf_mutex);
5785 /* If device failed to restart it will be in a different state, e.g.
5786 * ATH10K_STATE_WEDGED */
5787 if (ar->state == ATH10K_STATE_RESTARTED) {
5788 ath10k_info(ar, "device successfully recovered\n");
5789 ar->state = ATH10K_STATE_ON;
5790 ieee80211_wake_queues(ar->hw);
5793 mutex_unlock(&ar->conf_mutex);
5796 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
5797 struct survey_info *survey)
5799 struct ath10k *ar = hw->priv;
5800 struct ieee80211_supported_band *sband;
5801 struct survey_info *ar_survey = &ar->survey[idx];
5804 mutex_lock(&ar->conf_mutex);
5806 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
5807 if (sband && idx >= sband->n_channels) {
5808 idx -= sband->n_channels;
5813 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
5815 if (!sband || idx >= sband->n_channels) {
5820 spin_lock_bh(&ar->data_lock);
5821 memcpy(survey, ar_survey, sizeof(*survey));
5822 spin_unlock_bh(&ar->data_lock);
5824 survey->channel = &sband->channels[idx];
5826 if (ar->rx_channel == survey->channel)
5827 survey->filled |= SURVEY_INFO_IN_USE;
5830 mutex_unlock(&ar->conf_mutex);
5835 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
5836 enum ieee80211_band band,
5837 const struct cfg80211_bitrate_mask *mask)
5842 num_rates += hweight32(mask->control[band].legacy);
5844 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
5845 num_rates += hweight8(mask->control[band].ht_mcs[i]);
5847 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
5848 num_rates += hweight16(mask->control[band].vht_mcs[i]);
5850 return num_rates == 1;
5854 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
5855 enum ieee80211_band band,
5856 const struct cfg80211_bitrate_mask *mask,
5859 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5860 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
5862 u8 vht_nss_mask = 0;
5865 if (mask->control[band].legacy)
5868 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5869 if (mask->control[band].ht_mcs[i] == 0)
5871 else if (mask->control[band].ht_mcs[i] ==
5872 sband->ht_cap.mcs.rx_mask[i])
5873 ht_nss_mask |= BIT(i);
5878 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5879 if (mask->control[band].vht_mcs[i] == 0)
5881 else if (mask->control[band].vht_mcs[i] ==
5882 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
5883 vht_nss_mask |= BIT(i);
5888 if (ht_nss_mask != vht_nss_mask)
5891 if (ht_nss_mask == 0)
5894 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
5897 *nss = fls(ht_nss_mask);
5903 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
5904 enum ieee80211_band band,
5905 const struct cfg80211_bitrate_mask *mask,
5908 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
5915 if (hweight32(mask->control[band].legacy) == 1) {
5916 rate_idx = ffs(mask->control[band].legacy) - 1;
5918 hw_rate = sband->bitrates[rate_idx].hw_value;
5919 bitrate = sband->bitrates[rate_idx].bitrate;
5921 if (ath10k_mac_bitrate_is_cck(bitrate))
5922 preamble = WMI_RATE_PREAMBLE_CCK;
5924 preamble = WMI_RATE_PREAMBLE_OFDM;
5927 *rate = preamble << 6 |
5934 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
5935 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
5937 *rate = WMI_RATE_PREAMBLE_HT << 6 |
5939 (ffs(mask->control[band].ht_mcs[i]) - 1);
5945 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
5946 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
5948 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
5950 (ffs(mask->control[band].vht_mcs[i]) - 1);
5959 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
5960 u8 rate, u8 nss, u8 sgi, u8 ldpc)
5962 struct ath10k *ar = arvif->ar;
5966 lockdep_assert_held(&ar->conf_mutex);
5968 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
5969 arvif->vdev_id, rate, nss, sgi);
5971 vdev_param = ar->wmi.vdev_param->fixed_rate;
5972 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
5974 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
5979 vdev_param = ar->wmi.vdev_param->nss;
5980 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
5982 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
5986 vdev_param = ar->wmi.vdev_param->sgi;
5987 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
5989 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
5993 vdev_param = ar->wmi.vdev_param->ldpc;
5994 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
5996 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
6004 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
6005 enum ieee80211_band band,
6006 const struct cfg80211_bitrate_mask *mask)
6011 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
6012 * to express all VHT MCS rate masks. Effectively only the following
6013 * ranges can be used: none, 0-7, 0-8 and 0-9.
6015 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
6016 vht_mcs = mask->control[band].vht_mcs[i];
6025 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
6033 static void ath10k_mac_set_bitrate_mask_iter(void *data,
6034 struct ieee80211_sta *sta)
6036 struct ath10k_vif *arvif = data;
6037 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6038 struct ath10k *ar = arvif->ar;
6040 if (arsta->arvif != arvif)
6043 spin_lock_bh(&ar->data_lock);
6044 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
6045 spin_unlock_bh(&ar->data_lock);
6047 ieee80211_queue_work(ar->hw, &arsta->update_wk);
6050 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
6051 struct ieee80211_vif *vif,
6052 const struct cfg80211_bitrate_mask *mask)
6054 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6055 struct cfg80211_chan_def def;
6056 struct ath10k *ar = arvif->ar;
6057 enum ieee80211_band band;
6058 const u8 *ht_mcs_mask;
6059 const u16 *vht_mcs_mask;
6067 if (ath10k_mac_vif_chan(vif, &def))
6070 band = def.chan->band;
6071 ht_mcs_mask = mask->control[band].ht_mcs;
6072 vht_mcs_mask = mask->control[band].vht_mcs;
6073 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
6075 sgi = mask->control[band].gi;
6076 if (sgi == NL80211_TXRATE_FORCE_LGI)
6079 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
6080 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
6083 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
6084 arvif->vdev_id, ret);
6087 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
6089 rate = WMI_FIXED_RATE_NONE;
6092 rate = WMI_FIXED_RATE_NONE;
6093 nss = min(ar->num_rf_chains,
6094 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
6095 ath10k_mac_max_vht_nss(vht_mcs_mask)));
6097 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
6100 mutex_lock(&ar->conf_mutex);
6102 arvif->bitrate_mask = *mask;
6103 ieee80211_iterate_stations_atomic(ar->hw,
6104 ath10k_mac_set_bitrate_mask_iter,
6107 mutex_unlock(&ar->conf_mutex);
6110 mutex_lock(&ar->conf_mutex);
6112 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6114 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
6115 arvif->vdev_id, ret);
6120 mutex_unlock(&ar->conf_mutex);
6125 static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
6126 struct ieee80211_vif *vif,
6127 struct ieee80211_sta *sta,
6130 struct ath10k *ar = hw->priv;
6131 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6134 spin_lock_bh(&ar->data_lock);
6136 ath10k_dbg(ar, ATH10K_DBG_MAC,
6137 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
6138 sta->addr, changed, sta->bandwidth, sta->rx_nss,
6141 if (changed & IEEE80211_RC_BW_CHANGED) {
6142 bw = WMI_PEER_CHWIDTH_20MHZ;
6144 switch (sta->bandwidth) {
6145 case IEEE80211_STA_RX_BW_20:
6146 bw = WMI_PEER_CHWIDTH_20MHZ;
6148 case IEEE80211_STA_RX_BW_40:
6149 bw = WMI_PEER_CHWIDTH_40MHZ;
6151 case IEEE80211_STA_RX_BW_80:
6152 bw = WMI_PEER_CHWIDTH_80MHZ;
6154 case IEEE80211_STA_RX_BW_160:
6155 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
6156 sta->bandwidth, sta->addr);
6157 bw = WMI_PEER_CHWIDTH_20MHZ;
6164 if (changed & IEEE80211_RC_NSS_CHANGED)
6165 arsta->nss = sta->rx_nss;
6167 if (changed & IEEE80211_RC_SMPS_CHANGED) {
6168 smps = WMI_PEER_SMPS_PS_NONE;
6170 switch (sta->smps_mode) {
6171 case IEEE80211_SMPS_AUTOMATIC:
6172 case IEEE80211_SMPS_OFF:
6173 smps = WMI_PEER_SMPS_PS_NONE;
6175 case IEEE80211_SMPS_STATIC:
6176 smps = WMI_PEER_SMPS_STATIC;
6178 case IEEE80211_SMPS_DYNAMIC:
6179 smps = WMI_PEER_SMPS_DYNAMIC;
6181 case IEEE80211_SMPS_NUM_MODES:
6182 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
6183 sta->smps_mode, sta->addr);
6184 smps = WMI_PEER_SMPS_PS_NONE;
6191 arsta->changed |= changed;
6193 spin_unlock_bh(&ar->data_lock);
6195 ieee80211_queue_work(hw, &arsta->update_wk);
6198 static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6201 * FIXME: Return 0 for time being. Need to figure out whether FW
6202 * has the API to fetch 64-bit local TSF
6208 static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6209 struct ieee80211_vif *vif,
6210 enum ieee80211_ampdu_mlme_action action,
6211 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6212 u8 buf_size, bool amsdu)
6214 struct ath10k *ar = hw->priv;
6215 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6217 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
6218 arvif->vdev_id, sta->addr, tid, action);
6221 case IEEE80211_AMPDU_RX_START:
6222 case IEEE80211_AMPDU_RX_STOP:
6223 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6224 * creation/removal. Do we need to verify this?
6227 case IEEE80211_AMPDU_TX_START:
6228 case IEEE80211_AMPDU_TX_STOP_CONT:
6229 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6230 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6231 case IEEE80211_AMPDU_TX_OPERATIONAL:
6232 /* Firmware offloads Tx aggregation entirely so deny mac80211
6233 * Tx aggregation requests.
6242 ath10k_mac_update_rx_channel(struct ath10k *ar,
6243 struct ieee80211_chanctx_conf *ctx,
6244 struct ieee80211_vif_chanctx_switch *vifs,
6247 struct cfg80211_chan_def *def = NULL;
6249 /* Both locks are required because ar->rx_channel is modified. This
6250 * allows readers to hold either lock.
6252 lockdep_assert_held(&ar->conf_mutex);
6253 lockdep_assert_held(&ar->data_lock);
6255 WARN_ON(ctx && vifs);
6256 WARN_ON(vifs && n_vifs != 1);
6258 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6259 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6260 * ppdu on Rx may reduce performance on low-end systems. It should be
6261 * possible to make tables/hashmaps to speed the lookup up (be vary of
6262 * cpu data cache lines though regarding sizes) but to keep the initial
6263 * implementation simple and less intrusive fallback to the slow lookup
6264 * only for multi-channel cases. Single-channel cases will remain to
6265 * use the old channel derival and thus performance should not be
6269 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
6270 ieee80211_iter_chan_contexts_atomic(ar->hw,
6271 ath10k_mac_get_any_chandef_iter,
6275 def = &vifs[0].new_ctx->def;
6277 ar->rx_channel = def->chan;
6278 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6279 ar->rx_channel = ctx->def.chan;
6281 ar->rx_channel = NULL;
6287 ath10k_mac_update_vif_chan(struct ath10k *ar,
6288 struct ieee80211_vif_chanctx_switch *vifs,
6291 struct ath10k_vif *arvif;
6295 lockdep_assert_held(&ar->conf_mutex);
6297 /* First stop monitor interface. Some FW versions crash if there's a
6298 * lone monitor interface.
6300 if (ar->monitor_started)
6301 ath10k_monitor_stop(ar);
6303 for (i = 0; i < n_vifs; i++) {
6304 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6306 ath10k_dbg(ar, ATH10K_DBG_MAC,
6307 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
6309 vifs[i].old_ctx->def.chan->center_freq,
6310 vifs[i].new_ctx->def.chan->center_freq,
6311 vifs[i].old_ctx->def.width,
6312 vifs[i].new_ctx->def.width);
6314 if (WARN_ON(!arvif->is_started))
6317 if (WARN_ON(!arvif->is_up))
6320 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6322 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6323 arvif->vdev_id, ret);
6328 /* All relevant vdevs are downed and associated channel resources
6329 * should be available for the channel switch now.
6332 spin_lock_bh(&ar->data_lock);
6333 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
6334 spin_unlock_bh(&ar->data_lock);
6336 for (i = 0; i < n_vifs; i++) {
6337 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6339 if (WARN_ON(!arvif->is_started))
6342 if (WARN_ON(!arvif->is_up))
6345 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6347 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6350 ret = ath10k_mac_setup_prb_tmpl(arvif);
6352 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6355 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6357 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6358 arvif->vdev_id, ret);
6362 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6365 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6366 arvif->vdev_id, ret);
6371 ath10k_monitor_recalc(ar);
6375 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6376 struct ieee80211_chanctx_conf *ctx)
6378 struct ath10k *ar = hw->priv;
6380 ath10k_dbg(ar, ATH10K_DBG_MAC,
6381 "mac chanctx add freq %hu width %d ptr %p\n",
6382 ctx->def.chan->center_freq, ctx->def.width, ctx);
6384 mutex_lock(&ar->conf_mutex);
6386 spin_lock_bh(&ar->data_lock);
6387 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
6388 spin_unlock_bh(&ar->data_lock);
6390 ath10k_recalc_radar_detection(ar);
6391 ath10k_monitor_recalc(ar);
6393 mutex_unlock(&ar->conf_mutex);
6399 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6400 struct ieee80211_chanctx_conf *ctx)
6402 struct ath10k *ar = hw->priv;
6404 ath10k_dbg(ar, ATH10K_DBG_MAC,
6405 "mac chanctx remove freq %hu width %d ptr %p\n",
6406 ctx->def.chan->center_freq, ctx->def.width, ctx);
6408 mutex_lock(&ar->conf_mutex);
6410 spin_lock_bh(&ar->data_lock);
6411 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
6412 spin_unlock_bh(&ar->data_lock);
6414 ath10k_recalc_radar_detection(ar);
6415 ath10k_monitor_recalc(ar);
6417 mutex_unlock(&ar->conf_mutex);
6420 struct ath10k_mac_change_chanctx_arg {
6421 struct ieee80211_chanctx_conf *ctx;
6422 struct ieee80211_vif_chanctx_switch *vifs;
6428 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
6429 struct ieee80211_vif *vif)
6431 struct ath10k_mac_change_chanctx_arg *arg = data;
6433 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
6440 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
6441 struct ieee80211_vif *vif)
6443 struct ath10k_mac_change_chanctx_arg *arg = data;
6444 struct ieee80211_chanctx_conf *ctx;
6446 ctx = rcu_access_pointer(vif->chanctx_conf);
6447 if (ctx != arg->ctx)
6450 if (WARN_ON(arg->next_vif == arg->n_vifs))
6453 arg->vifs[arg->next_vif].vif = vif;
6454 arg->vifs[arg->next_vif].old_ctx = ctx;
6455 arg->vifs[arg->next_vif].new_ctx = ctx;
6460 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6461 struct ieee80211_chanctx_conf *ctx,
6464 struct ath10k *ar = hw->priv;
6465 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
6467 mutex_lock(&ar->conf_mutex);
6469 ath10k_dbg(ar, ATH10K_DBG_MAC,
6470 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6471 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
6473 /* This shouldn't really happen because channel switching should use
6474 * switch_vif_chanctx().
6476 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
6479 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
6480 ieee80211_iterate_active_interfaces_atomic(
6482 IEEE80211_IFACE_ITER_NORMAL,
6483 ath10k_mac_change_chanctx_cnt_iter,
6485 if (arg.n_vifs == 0)
6488 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
6493 ieee80211_iterate_active_interfaces_atomic(
6495 IEEE80211_IFACE_ITER_NORMAL,
6496 ath10k_mac_change_chanctx_fill_iter,
6498 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
6503 ath10k_recalc_radar_detection(ar);
6505 /* FIXME: How to configure Rx chains properly? */
6507 /* No other actions are actually necessary. Firmware maintains channel
6508 * definitions per vdev internally and there's no host-side channel
6509 * context abstraction to configure, e.g. channel width.
6513 mutex_unlock(&ar->conf_mutex);
6517 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
6518 struct ieee80211_vif *vif,
6519 struct ieee80211_chanctx_conf *ctx)
6521 struct ath10k *ar = hw->priv;
6522 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6525 mutex_lock(&ar->conf_mutex);
6527 ath10k_dbg(ar, ATH10K_DBG_MAC,
6528 "mac chanctx assign ptr %p vdev_id %i\n",
6529 ctx, arvif->vdev_id);
6531 if (WARN_ON(arvif->is_started)) {
6532 mutex_unlock(&ar->conf_mutex);
6536 ret = ath10k_vdev_start(arvif, &ctx->def);
6538 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
6539 arvif->vdev_id, vif->addr,
6540 ctx->def.chan->center_freq, ret);
6544 arvif->is_started = true;
6546 ret = ath10k_mac_vif_setup_ps(arvif);
6548 ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
6549 arvif->vdev_id, ret);
6553 if (vif->type == NL80211_IFTYPE_MONITOR) {
6554 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
6556 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
6557 arvif->vdev_id, ret);
6561 arvif->is_up = true;
6564 mutex_unlock(&ar->conf_mutex);
6568 ath10k_vdev_stop(arvif);
6569 arvif->is_started = false;
6570 ath10k_mac_vif_setup_ps(arvif);
6573 mutex_unlock(&ar->conf_mutex);
6578 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
6579 struct ieee80211_vif *vif,
6580 struct ieee80211_chanctx_conf *ctx)
6582 struct ath10k *ar = hw->priv;
6583 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6586 mutex_lock(&ar->conf_mutex);
6588 ath10k_dbg(ar, ATH10K_DBG_MAC,
6589 "mac chanctx unassign ptr %p vdev_id %i\n",
6590 ctx, arvif->vdev_id);
6592 WARN_ON(!arvif->is_started);
6594 if (vif->type == NL80211_IFTYPE_MONITOR) {
6595 WARN_ON(!arvif->is_up);
6597 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6599 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
6600 arvif->vdev_id, ret);
6602 arvif->is_up = false;
6605 ret = ath10k_vdev_stop(arvif);
6607 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
6608 arvif->vdev_id, ret);
6610 arvif->is_started = false;
6612 mutex_unlock(&ar->conf_mutex);
6616 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
6617 struct ieee80211_vif_chanctx_switch *vifs,
6619 enum ieee80211_chanctx_switch_mode mode)
6621 struct ath10k *ar = hw->priv;
6623 mutex_lock(&ar->conf_mutex);
6625 ath10k_dbg(ar, ATH10K_DBG_MAC,
6626 "mac chanctx switch n_vifs %d mode %d\n",
6628 ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
6630 mutex_unlock(&ar->conf_mutex);
6634 static const struct ieee80211_ops ath10k_ops = {
6636 .start = ath10k_start,
6637 .stop = ath10k_stop,
6638 .config = ath10k_config,
6639 .add_interface = ath10k_add_interface,
6640 .remove_interface = ath10k_remove_interface,
6641 .configure_filter = ath10k_configure_filter,
6642 .bss_info_changed = ath10k_bss_info_changed,
6643 .hw_scan = ath10k_hw_scan,
6644 .cancel_hw_scan = ath10k_cancel_hw_scan,
6645 .set_key = ath10k_set_key,
6646 .set_default_unicast_key = ath10k_set_default_unicast_key,
6647 .sta_state = ath10k_sta_state,
6648 .conf_tx = ath10k_conf_tx,
6649 .remain_on_channel = ath10k_remain_on_channel,
6650 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
6651 .set_rts_threshold = ath10k_set_rts_threshold,
6652 .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
6653 .flush = ath10k_flush,
6654 .tx_last_beacon = ath10k_tx_last_beacon,
6655 .set_antenna = ath10k_set_antenna,
6656 .get_antenna = ath10k_get_antenna,
6657 .reconfig_complete = ath10k_reconfig_complete,
6658 .get_survey = ath10k_get_survey,
6659 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
6660 .sta_rc_update = ath10k_sta_rc_update,
6661 .get_tsf = ath10k_get_tsf,
6662 .ampdu_action = ath10k_ampdu_action,
6663 .get_et_sset_count = ath10k_debug_get_et_sset_count,
6664 .get_et_stats = ath10k_debug_get_et_stats,
6665 .get_et_strings = ath10k_debug_get_et_strings,
6666 .add_chanctx = ath10k_mac_op_add_chanctx,
6667 .remove_chanctx = ath10k_mac_op_remove_chanctx,
6668 .change_chanctx = ath10k_mac_op_change_chanctx,
6669 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
6670 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
6671 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
6673 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
6676 .suspend = ath10k_wow_op_suspend,
6677 .resume = ath10k_wow_op_resume,
6679 #ifdef CONFIG_MAC80211_DEBUGFS
6680 .sta_add_debugfs = ath10k_sta_add_debugfs,
6684 #define CHAN2G(_channel, _freq, _flags) { \
6685 .band = IEEE80211_BAND_2GHZ, \
6686 .hw_value = (_channel), \
6687 .center_freq = (_freq), \
6688 .flags = (_flags), \
6689 .max_antenna_gain = 0, \
6693 #define CHAN5G(_channel, _freq, _flags) { \
6694 .band = IEEE80211_BAND_5GHZ, \
6695 .hw_value = (_channel), \
6696 .center_freq = (_freq), \
6697 .flags = (_flags), \
6698 .max_antenna_gain = 0, \
6702 static const struct ieee80211_channel ath10k_2ghz_channels[] = {
6712 CHAN2G(10, 2457, 0),
6713 CHAN2G(11, 2462, 0),
6714 CHAN2G(12, 2467, 0),
6715 CHAN2G(13, 2472, 0),
6716 CHAN2G(14, 2484, 0),
6719 static const struct ieee80211_channel ath10k_5ghz_channels[] = {
6720 CHAN5G(36, 5180, 0),
6721 CHAN5G(40, 5200, 0),
6722 CHAN5G(44, 5220, 0),
6723 CHAN5G(48, 5240, 0),
6724 CHAN5G(52, 5260, 0),
6725 CHAN5G(56, 5280, 0),
6726 CHAN5G(60, 5300, 0),
6727 CHAN5G(64, 5320, 0),
6728 CHAN5G(100, 5500, 0),
6729 CHAN5G(104, 5520, 0),
6730 CHAN5G(108, 5540, 0),
6731 CHAN5G(112, 5560, 0),
6732 CHAN5G(116, 5580, 0),
6733 CHAN5G(120, 5600, 0),
6734 CHAN5G(124, 5620, 0),
6735 CHAN5G(128, 5640, 0),
6736 CHAN5G(132, 5660, 0),
6737 CHAN5G(136, 5680, 0),
6738 CHAN5G(140, 5700, 0),
6739 CHAN5G(144, 5720, 0),
6740 CHAN5G(149, 5745, 0),
6741 CHAN5G(153, 5765, 0),
6742 CHAN5G(157, 5785, 0),
6743 CHAN5G(161, 5805, 0),
6744 CHAN5G(165, 5825, 0),
6747 struct ath10k *ath10k_mac_create(size_t priv_size)
6749 struct ieee80211_hw *hw;
6752 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
6762 void ath10k_mac_destroy(struct ath10k *ar)
6764 ieee80211_free_hw(ar->hw);
6767 static const struct ieee80211_iface_limit ath10k_if_limits[] = {
6770 .types = BIT(NL80211_IFTYPE_STATION)
6771 | BIT(NL80211_IFTYPE_P2P_CLIENT)
6775 .types = BIT(NL80211_IFTYPE_P2P_GO)
6779 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
6783 .types = BIT(NL80211_IFTYPE_AP)
6784 #ifdef CONFIG_MAC80211_MESH
6785 | BIT(NL80211_IFTYPE_MESH_POINT)
6790 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
6793 .types = BIT(NL80211_IFTYPE_AP)
6794 #ifdef CONFIG_MAC80211_MESH
6795 | BIT(NL80211_IFTYPE_MESH_POINT)
6800 static const struct ieee80211_iface_combination ath10k_if_comb[] = {
6802 .limits = ath10k_if_limits,
6803 .n_limits = ARRAY_SIZE(ath10k_if_limits),
6804 .max_interfaces = 8,
6805 .num_different_channels = 1,
6806 .beacon_int_infra_match = true,
6810 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
6812 .limits = ath10k_10x_if_limits,
6813 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
6814 .max_interfaces = 8,
6815 .num_different_channels = 1,
6816 .beacon_int_infra_match = true,
6817 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
6818 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6819 BIT(NL80211_CHAN_WIDTH_20) |
6820 BIT(NL80211_CHAN_WIDTH_40) |
6821 BIT(NL80211_CHAN_WIDTH_80),
6826 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
6829 .types = BIT(NL80211_IFTYPE_STATION),
6833 .types = BIT(NL80211_IFTYPE_AP) |
6834 #ifdef CONFIG_MAC80211_MESH
6835 BIT(NL80211_IFTYPE_MESH_POINT) |
6837 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6838 BIT(NL80211_IFTYPE_P2P_GO),
6842 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
6846 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
6849 .types = BIT(NL80211_IFTYPE_STATION),
6853 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
6857 .types = BIT(NL80211_IFTYPE_AP) |
6858 #ifdef CONFIG_MAC80211_MESH
6859 BIT(NL80211_IFTYPE_MESH_POINT) |
6861 BIT(NL80211_IFTYPE_P2P_GO),
6865 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
6869 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
6872 .types = BIT(NL80211_IFTYPE_STATION),
6876 .types = BIT(NL80211_IFTYPE_ADHOC),
6880 /* FIXME: This is not thouroughly tested. These combinations may over- or
6881 * underestimate hw/fw capabilities.
6883 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
6885 .limits = ath10k_tlv_if_limit,
6886 .num_different_channels = 1,
6887 .max_interfaces = 4,
6888 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
6891 .limits = ath10k_tlv_if_limit_ibss,
6892 .num_different_channels = 1,
6893 .max_interfaces = 2,
6894 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
6898 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
6900 .limits = ath10k_tlv_if_limit,
6901 .num_different_channels = 1,
6902 .max_interfaces = 4,
6903 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
6906 .limits = ath10k_tlv_qcs_if_limit,
6907 .num_different_channels = 2,
6908 .max_interfaces = 4,
6909 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
6912 .limits = ath10k_tlv_if_limit_ibss,
6913 .num_different_channels = 1,
6914 .max_interfaces = 2,
6915 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
6919 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
6922 .types = BIT(NL80211_IFTYPE_STATION),
6926 .types = BIT(NL80211_IFTYPE_AP)
6927 #ifdef CONFIG_MAC80211_MESH
6928 | BIT(NL80211_IFTYPE_MESH_POINT)
6933 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
6935 .limits = ath10k_10_4_if_limits,
6936 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
6937 .max_interfaces = 16,
6938 .num_different_channels = 1,
6939 .beacon_int_infra_match = true,
6940 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
6941 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6942 BIT(NL80211_CHAN_WIDTH_20) |
6943 BIT(NL80211_CHAN_WIDTH_40) |
6944 BIT(NL80211_CHAN_WIDTH_80),
6949 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
6951 struct ieee80211_sta_vht_cap vht_cap = {0};
6956 vht_cap.vht_supported = 1;
6957 vht_cap.cap = ar->vht_cap_info;
6959 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
6960 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
6961 val = ath10k_mac_get_vht_cap_bf_sts(ar);
6962 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
6963 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
6968 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
6969 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
6970 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
6971 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
6972 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
6978 for (i = 0; i < 8; i++) {
6979 if (i < ar->num_rf_chains)
6980 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2);
6982 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i*2);
6985 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
6986 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
6991 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
6994 struct ieee80211_sta_ht_cap ht_cap = {0};
6996 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
6999 ht_cap.ht_supported = 1;
7000 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
7001 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
7002 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
7003 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
7004 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
7006 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
7007 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
7009 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
7010 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
7012 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
7015 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
7016 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
7021 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
7022 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
7024 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
7027 stbc = ar->ht_cap_info;
7028 stbc &= WMI_HT_CAP_RX_STBC;
7029 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
7030 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
7031 stbc &= IEEE80211_HT_CAP_RX_STBC;
7036 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
7037 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
7039 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
7040 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
7042 /* max AMSDU is implicitly taken from vht_cap_info */
7043 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
7044 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
7046 for (i = 0; i < ar->num_rf_chains; i++)
7047 ht_cap.mcs.rx_mask[i] = 0xFF;
7049 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
7054 static void ath10k_get_arvif_iter(void *data, u8 *mac,
7055 struct ieee80211_vif *vif)
7057 struct ath10k_vif_iter *arvif_iter = data;
7058 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
7060 if (arvif->vdev_id == arvif_iter->vdev_id)
7061 arvif_iter->arvif = arvif;
7064 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
7066 struct ath10k_vif_iter arvif_iter;
7069 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
7070 arvif_iter.vdev_id = vdev_id;
7072 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
7073 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7075 ath10k_get_arvif_iter,
7077 if (!arvif_iter.arvif) {
7078 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
7082 return arvif_iter.arvif;
7085 int ath10k_mac_register(struct ath10k *ar)
7087 static const u32 cipher_suites[] = {
7088 WLAN_CIPHER_SUITE_WEP40,
7089 WLAN_CIPHER_SUITE_WEP104,
7090 WLAN_CIPHER_SUITE_TKIP,
7091 WLAN_CIPHER_SUITE_CCMP,
7092 WLAN_CIPHER_SUITE_AES_CMAC,
7094 struct ieee80211_supported_band *band;
7095 struct ieee80211_sta_vht_cap vht_cap;
7096 struct ieee80211_sta_ht_cap ht_cap;
7100 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
7102 SET_IEEE80211_DEV(ar->hw, ar->dev);
7104 ht_cap = ath10k_get_ht_cap(ar);
7105 vht_cap = ath10k_create_vht_cap(ar);
7107 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
7108 ARRAY_SIZE(ath10k_5ghz_channels)) !=
7111 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
7112 channels = kmemdup(ath10k_2ghz_channels,
7113 sizeof(ath10k_2ghz_channels),
7120 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
7121 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
7122 band->channels = channels;
7123 band->n_bitrates = ath10k_g_rates_size;
7124 band->bitrates = ath10k_g_rates;
7125 band->ht_cap = ht_cap;
7127 /* Enable the VHT support at 2.4 GHz */
7128 band->vht_cap = vht_cap;
7130 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
7133 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
7134 channels = kmemdup(ath10k_5ghz_channels,
7135 sizeof(ath10k_5ghz_channels),
7142 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
7143 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
7144 band->channels = channels;
7145 band->n_bitrates = ath10k_a_rates_size;
7146 band->bitrates = ath10k_a_rates;
7147 band->ht_cap = ht_cap;
7148 band->vht_cap = vht_cap;
7149 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
7152 ar->hw->wiphy->interface_modes =
7153 BIT(NL80211_IFTYPE_STATION) |
7154 BIT(NL80211_IFTYPE_AP) |
7155 BIT(NL80211_IFTYPE_MESH_POINT);
7157 ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask;
7158 ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask;
7160 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
7161 ar->hw->wiphy->interface_modes |=
7162 BIT(NL80211_IFTYPE_P2P_DEVICE) |
7163 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7164 BIT(NL80211_IFTYPE_P2P_GO);
7166 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
7167 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
7168 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
7169 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
7170 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
7171 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
7172 ieee80211_hw_set(ar->hw, AP_LINK_PS);
7173 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
7174 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
7175 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
7176 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
7177 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
7178 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
7179 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
7181 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7182 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
7184 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
7185 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
7187 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
7188 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
7190 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
7191 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
7192 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
7195 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
7196 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
7198 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
7199 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
7201 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
7203 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
7204 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
7206 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
7207 * that userspace (e.g. wpa_supplicant/hostapd) can generate
7208 * correct Probe Responses. This is more of a hack advert..
7210 ar->hw->wiphy->probe_resp_offload |=
7211 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
7212 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
7213 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
7216 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
7217 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7219 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
7220 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7221 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
7223 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
7224 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
7226 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
7228 ret = ath10k_wow_init(ar);
7230 ath10k_warn(ar, "failed to init wow: %d\n", ret);
7234 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
7237 * on LL hardware queues are managed entirely by the FW
7238 * so we only advertise to mac we can do the queues thing
7240 ar->hw->queues = IEEE80211_MAX_QUEUES;
7242 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
7243 * something that vdev_ids can't reach so that we don't stop the queue
7246 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
7248 switch (ar->wmi.op_version) {
7249 case ATH10K_FW_WMI_OP_VERSION_MAIN:
7250 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
7251 ar->hw->wiphy->n_iface_combinations =
7252 ARRAY_SIZE(ath10k_if_comb);
7253 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7255 case ATH10K_FW_WMI_OP_VERSION_TLV:
7256 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
7257 ar->hw->wiphy->iface_combinations =
7258 ath10k_tlv_qcs_if_comb;
7259 ar->hw->wiphy->n_iface_combinations =
7260 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
7262 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
7263 ar->hw->wiphy->n_iface_combinations =
7264 ARRAY_SIZE(ath10k_tlv_if_comb);
7266 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7268 case ATH10K_FW_WMI_OP_VERSION_10_1:
7269 case ATH10K_FW_WMI_OP_VERSION_10_2:
7270 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
7271 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
7272 ar->hw->wiphy->n_iface_combinations =
7273 ARRAY_SIZE(ath10k_10x_if_comb);
7275 case ATH10K_FW_WMI_OP_VERSION_10_4:
7276 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
7277 ar->hw->wiphy->n_iface_combinations =
7278 ARRAY_SIZE(ath10k_10_4_if_comb);
7280 case ATH10K_FW_WMI_OP_VERSION_UNSET:
7281 case ATH10K_FW_WMI_OP_VERSION_MAX:
7287 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7288 ar->hw->netdev_features = NETIF_F_HW_CSUM;
7290 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
7291 /* Init ath dfs pattern detector */
7292 ar->ath_common.debug_mask = ATH_DBG_DFS;
7293 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
7296 if (!ar->dfs_detector)
7297 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
7300 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
7301 ath10k_reg_notifier);
7303 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
7307 ar->hw->wiphy->cipher_suites = cipher_suites;
7308 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7310 ret = ieee80211_register_hw(ar->hw);
7312 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
7316 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7317 ret = regulatory_hint(ar->hw->wiphy,
7318 ar->ath_common.regulatory.alpha2);
7320 goto err_unregister;
7326 ieee80211_unregister_hw(ar->hw);
7328 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7329 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7334 void ath10k_mac_unregister(struct ath10k *ar)
7336 ieee80211_unregister_hw(ar->hw);
7338 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7339 ar->dfs_detector->exit(ar->dfs_detector);
7341 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7342 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7344 SET_IEEE80211_DEV(ar->hw, NULL);