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 (ath10k_mac_bitrate_is_cck(rate->bitrate) != cck)
104 if (rate->hw_value == hw_rate)
106 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
107 rate->hw_value_short == hw_rate)
114 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
119 for (i = 0; i < sband->n_bitrates; i++)
120 if (sband->bitrates[i].bitrate == bitrate)
126 static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
128 switch ((mcs_map >> (2 * nss)) & 0x3) {
129 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
130 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
131 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
137 ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
141 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
142 if (ht_mcs_mask[nss])
149 ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
153 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
154 if (vht_mcs_mask[nss])
164 static int ath10k_send_key(struct ath10k_vif *arvif,
165 struct ieee80211_key_conf *key,
166 enum set_key_cmd cmd,
167 const u8 *macaddr, u32 flags)
169 struct ath10k *ar = arvif->ar;
170 struct wmi_vdev_install_key_arg arg = {
171 .vdev_id = arvif->vdev_id,
172 .key_idx = key->keyidx,
173 .key_len = key->keylen,
174 .key_data = key->key,
179 lockdep_assert_held(&arvif->ar->conf_mutex);
181 switch (key->cipher) {
182 case WLAN_CIPHER_SUITE_CCMP:
183 arg.key_cipher = WMI_CIPHER_AES_CCM;
184 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
186 case WLAN_CIPHER_SUITE_TKIP:
187 arg.key_cipher = WMI_CIPHER_TKIP;
188 arg.key_txmic_len = 8;
189 arg.key_rxmic_len = 8;
191 case WLAN_CIPHER_SUITE_WEP40:
192 case WLAN_CIPHER_SUITE_WEP104:
193 arg.key_cipher = WMI_CIPHER_WEP;
195 case WLAN_CIPHER_SUITE_AES_CMAC:
199 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
203 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
204 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
206 if (cmd == DISABLE_KEY) {
207 arg.key_cipher = WMI_CIPHER_NONE;
211 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
214 static int ath10k_install_key(struct ath10k_vif *arvif,
215 struct ieee80211_key_conf *key,
216 enum set_key_cmd cmd,
217 const u8 *macaddr, u32 flags)
219 struct ath10k *ar = arvif->ar;
221 unsigned long time_left;
223 lockdep_assert_held(&ar->conf_mutex);
225 reinit_completion(&ar->install_key_done);
227 if (arvif->nohwcrypt)
230 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
234 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
241 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
244 struct ath10k *ar = arvif->ar;
245 struct ath10k_peer *peer;
250 lockdep_assert_held(&ar->conf_mutex);
252 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
253 arvif->vif->type != NL80211_IFTYPE_ADHOC &&
254 arvif->vif->type != NL80211_IFTYPE_MESH_POINT))
257 spin_lock_bh(&ar->data_lock);
258 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
259 spin_unlock_bh(&ar->data_lock);
264 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
265 if (arvif->wep_keys[i] == NULL)
268 switch (arvif->vif->type) {
269 case NL80211_IFTYPE_AP:
270 flags = WMI_KEY_PAIRWISE;
272 if (arvif->def_wep_key_idx == i)
273 flags |= WMI_KEY_TX_USAGE;
275 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
276 SET_KEY, addr, flags);
280 case NL80211_IFTYPE_ADHOC:
281 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
287 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
288 SET_KEY, addr, WMI_KEY_GROUP);
297 spin_lock_bh(&ar->data_lock);
298 peer->keys[i] = arvif->wep_keys[i];
299 spin_unlock_bh(&ar->data_lock);
302 /* In some cases (notably with static WEP IBSS with multiple keys)
303 * multicast Tx becomes broken. Both pairwise and groupwise keys are
304 * installed already. Using WMI_KEY_TX_USAGE in different combinations
305 * didn't seem help. Using def_keyid vdev parameter seems to be
306 * effective so use that.
308 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
310 if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
313 if (arvif->def_wep_key_idx == -1)
316 ret = ath10k_wmi_vdev_set_param(arvif->ar,
318 arvif->ar->wmi.vdev_param->def_keyid,
319 arvif->def_wep_key_idx);
321 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
322 arvif->vdev_id, ret);
329 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
332 struct ath10k *ar = arvif->ar;
333 struct ath10k_peer *peer;
339 lockdep_assert_held(&ar->conf_mutex);
341 spin_lock_bh(&ar->data_lock);
342 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
343 spin_unlock_bh(&ar->data_lock);
348 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
349 if (peer->keys[i] == NULL)
352 /* key flags are not required to delete the key */
353 ret = ath10k_install_key(arvif, peer->keys[i],
354 DISABLE_KEY, addr, flags);
355 if (ret < 0 && first_errno == 0)
359 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
362 spin_lock_bh(&ar->data_lock);
363 peer->keys[i] = NULL;
364 spin_unlock_bh(&ar->data_lock);
370 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
373 struct ath10k_peer *peer;
376 lockdep_assert_held(&ar->data_lock);
378 /* We don't know which vdev this peer belongs to,
379 * since WMI doesn't give us that information.
381 * FIXME: multi-bss needs to be handled.
383 peer = ath10k_peer_find(ar, 0, addr);
387 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
388 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
395 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
396 struct ieee80211_key_conf *key)
398 struct ath10k *ar = arvif->ar;
399 struct ath10k_peer *peer;
406 lockdep_assert_held(&ar->conf_mutex);
409 /* since ath10k_install_key we can't hold data_lock all the
410 * time, so we try to remove the keys incrementally */
411 spin_lock_bh(&ar->data_lock);
413 list_for_each_entry(peer, &ar->peers, list) {
414 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
415 if (peer->keys[i] == key) {
416 ether_addr_copy(addr, peer->addr);
417 peer->keys[i] = NULL;
422 if (i < ARRAY_SIZE(peer->keys))
425 spin_unlock_bh(&ar->data_lock);
427 if (i == ARRAY_SIZE(peer->keys))
429 /* key flags are not required to delete the key */
430 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
431 if (ret < 0 && first_errno == 0)
435 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
442 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
443 struct ieee80211_key_conf *key)
445 struct ath10k *ar = arvif->ar;
446 struct ath10k_peer *peer;
449 lockdep_assert_held(&ar->conf_mutex);
451 list_for_each_entry(peer, &ar->peers, list) {
452 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
455 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
458 if (peer->keys[key->keyidx] == key)
461 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
462 arvif->vdev_id, key->keyidx);
464 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
466 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
467 arvif->vdev_id, peer->addr, ret);
475 /*********************/
476 /* General utilities */
477 /*********************/
479 static inline enum wmi_phy_mode
480 chan_to_phymode(const struct cfg80211_chan_def *chandef)
482 enum wmi_phy_mode phymode = MODE_UNKNOWN;
484 switch (chandef->chan->band) {
485 case IEEE80211_BAND_2GHZ:
486 switch (chandef->width) {
487 case NL80211_CHAN_WIDTH_20_NOHT:
488 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
493 case NL80211_CHAN_WIDTH_20:
494 phymode = MODE_11NG_HT20;
496 case NL80211_CHAN_WIDTH_40:
497 phymode = MODE_11NG_HT40;
499 case NL80211_CHAN_WIDTH_5:
500 case NL80211_CHAN_WIDTH_10:
501 case NL80211_CHAN_WIDTH_80:
502 case NL80211_CHAN_WIDTH_80P80:
503 case NL80211_CHAN_WIDTH_160:
504 phymode = MODE_UNKNOWN;
508 case IEEE80211_BAND_5GHZ:
509 switch (chandef->width) {
510 case NL80211_CHAN_WIDTH_20_NOHT:
513 case NL80211_CHAN_WIDTH_20:
514 phymode = MODE_11NA_HT20;
516 case NL80211_CHAN_WIDTH_40:
517 phymode = MODE_11NA_HT40;
519 case NL80211_CHAN_WIDTH_80:
520 phymode = MODE_11AC_VHT80;
522 case NL80211_CHAN_WIDTH_5:
523 case NL80211_CHAN_WIDTH_10:
524 case NL80211_CHAN_WIDTH_80P80:
525 case NL80211_CHAN_WIDTH_160:
526 phymode = MODE_UNKNOWN;
534 WARN_ON(phymode == MODE_UNKNOWN);
538 static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
541 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
542 * 0 for no restriction
551 switch (mpdudensity) {
557 /* Our lower layer calculations limit our precision to
573 int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
574 struct cfg80211_chan_def *def)
576 struct ieee80211_chanctx_conf *conf;
579 conf = rcu_dereference(vif->chanctx_conf);
591 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
592 struct ieee80211_chanctx_conf *conf,
600 static int ath10k_mac_num_chanctxs(struct ath10k *ar)
604 ieee80211_iter_chan_contexts_atomic(ar->hw,
605 ath10k_mac_num_chanctxs_iter,
612 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
613 struct ieee80211_chanctx_conf *conf,
616 struct cfg80211_chan_def **def = data;
621 static int ath10k_peer_create(struct ath10k *ar,
622 struct ieee80211_vif *vif,
623 struct ieee80211_sta *sta,
626 enum wmi_peer_type peer_type)
628 struct ath10k_vif *arvif;
629 struct ath10k_peer *peer;
633 lockdep_assert_held(&ar->conf_mutex);
635 num_peers = ar->num_peers;
637 /* Each vdev consumes a peer entry as well */
638 list_for_each_entry(arvif, &ar->arvifs, list)
641 if (num_peers >= ar->max_num_peers)
644 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
646 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
651 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
653 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
658 spin_lock_bh(&ar->data_lock);
660 peer = ath10k_peer_find(ar, vdev_id, addr);
662 ath10k_warn(ar, "failed to find peer %pM on vdev %i after creation\n",
664 ath10k_wmi_peer_delete(ar, vdev_id, addr);
665 spin_unlock_bh(&ar->data_lock);
672 spin_unlock_bh(&ar->data_lock);
679 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
681 struct ath10k *ar = arvif->ar;
685 param = ar->wmi.pdev_param->sta_kickout_th;
686 ret = ath10k_wmi_pdev_set_param(ar, param,
687 ATH10K_KICKOUT_THRESHOLD);
689 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
690 arvif->vdev_id, ret);
694 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
695 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
696 ATH10K_KEEPALIVE_MIN_IDLE);
698 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
699 arvif->vdev_id, ret);
703 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
704 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
705 ATH10K_KEEPALIVE_MAX_IDLE);
707 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
708 arvif->vdev_id, ret);
712 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
713 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
714 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
716 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
717 arvif->vdev_id, ret);
724 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
726 struct ath10k *ar = arvif->ar;
729 vdev_param = ar->wmi.vdev_param->rts_threshold;
730 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
733 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
737 lockdep_assert_held(&ar->conf_mutex);
739 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
743 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
752 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
754 struct ath10k_peer *peer, *tmp;
757 lockdep_assert_held(&ar->conf_mutex);
759 spin_lock_bh(&ar->data_lock);
760 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
761 if (peer->vdev_id != vdev_id)
764 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
765 peer->addr, vdev_id);
767 for_each_set_bit(peer_id, peer->peer_ids,
768 ATH10K_MAX_NUM_PEER_IDS) {
769 ar->peer_map[peer_id] = NULL;
772 list_del(&peer->list);
776 spin_unlock_bh(&ar->data_lock);
779 static void ath10k_peer_cleanup_all(struct ath10k *ar)
781 struct ath10k_peer *peer, *tmp;
783 lockdep_assert_held(&ar->conf_mutex);
785 spin_lock_bh(&ar->data_lock);
786 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
787 list_del(&peer->list);
790 spin_unlock_bh(&ar->data_lock);
793 ar->num_stations = 0;
796 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
797 struct ieee80211_sta *sta,
798 enum wmi_tdls_peer_state state)
801 struct wmi_tdls_peer_update_cmd_arg arg = {};
802 struct wmi_tdls_peer_capab_arg cap = {};
803 struct wmi_channel_arg chan_arg = {};
805 lockdep_assert_held(&ar->conf_mutex);
807 arg.vdev_id = vdev_id;
808 arg.peer_state = state;
809 ether_addr_copy(arg.addr, sta->addr);
811 cap.peer_max_sp = sta->max_sp;
812 cap.peer_uapsd_queues = sta->uapsd_queues;
814 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
815 !sta->tdls_initiator)
816 cap.is_peer_responder = 1;
818 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
820 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
821 arg.addr, vdev_id, ret);
828 /************************/
829 /* Interface management */
830 /************************/
832 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
834 struct ath10k *ar = arvif->ar;
836 lockdep_assert_held(&ar->data_lock);
841 if (!arvif->beacon_buf)
842 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
843 arvif->beacon->len, DMA_TO_DEVICE);
845 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
846 arvif->beacon_state != ATH10K_BEACON_SENT))
849 dev_kfree_skb_any(arvif->beacon);
851 arvif->beacon = NULL;
852 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
855 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
857 struct ath10k *ar = arvif->ar;
859 lockdep_assert_held(&ar->data_lock);
861 ath10k_mac_vif_beacon_free(arvif);
863 if (arvif->beacon_buf) {
864 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
865 arvif->beacon_buf, arvif->beacon_paddr);
866 arvif->beacon_buf = NULL;
870 static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
872 unsigned long time_left;
874 lockdep_assert_held(&ar->conf_mutex);
876 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
879 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
880 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
887 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
889 struct cfg80211_chan_def *chandef = NULL;
890 struct ieee80211_channel *channel = NULL;
891 struct wmi_vdev_start_request_arg arg = {};
894 lockdep_assert_held(&ar->conf_mutex);
896 ieee80211_iter_chan_contexts_atomic(ar->hw,
897 ath10k_mac_get_any_chandef_iter,
899 if (WARN_ON_ONCE(!chandef))
902 channel = chandef->chan;
904 arg.vdev_id = vdev_id;
905 arg.channel.freq = channel->center_freq;
906 arg.channel.band_center_freq1 = chandef->center_freq1;
908 /* TODO setup this dynamically, what in case we
909 don't have any vifs? */
910 arg.channel.mode = chan_to_phymode(chandef);
911 arg.channel.chan_radar =
912 !!(channel->flags & IEEE80211_CHAN_RADAR);
914 arg.channel.min_power = 0;
915 arg.channel.max_power = channel->max_power * 2;
916 arg.channel.max_reg_power = channel->max_reg_power * 2;
917 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
919 reinit_completion(&ar->vdev_setup_done);
921 ret = ath10k_wmi_vdev_start(ar, &arg);
923 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
928 ret = ath10k_vdev_setup_sync(ar);
930 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
935 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
937 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
942 ar->monitor_vdev_id = vdev_id;
944 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
945 ar->monitor_vdev_id);
949 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
951 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
952 ar->monitor_vdev_id, ret);
957 static int ath10k_monitor_vdev_stop(struct ath10k *ar)
961 lockdep_assert_held(&ar->conf_mutex);
963 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
965 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
966 ar->monitor_vdev_id, ret);
968 reinit_completion(&ar->vdev_setup_done);
970 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
972 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
973 ar->monitor_vdev_id, ret);
975 ret = ath10k_vdev_setup_sync(ar);
977 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
978 ar->monitor_vdev_id, ret);
980 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
981 ar->monitor_vdev_id);
985 static int ath10k_monitor_vdev_create(struct ath10k *ar)
989 lockdep_assert_held(&ar->conf_mutex);
991 if (ar->free_vdev_map == 0) {
992 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
996 bit = __ffs64(ar->free_vdev_map);
998 ar->monitor_vdev_id = bit;
1000 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
1001 WMI_VDEV_TYPE_MONITOR,
1004 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
1005 ar->monitor_vdev_id, ret);
1009 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
1010 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
1011 ar->monitor_vdev_id);
1016 static int ath10k_monitor_vdev_delete(struct ath10k *ar)
1020 lockdep_assert_held(&ar->conf_mutex);
1022 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
1024 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
1025 ar->monitor_vdev_id, ret);
1029 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
1031 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
1032 ar->monitor_vdev_id);
1036 static int ath10k_monitor_start(struct ath10k *ar)
1040 lockdep_assert_held(&ar->conf_mutex);
1042 ret = ath10k_monitor_vdev_create(ar);
1044 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1048 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
1050 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1051 ath10k_monitor_vdev_delete(ar);
1055 ar->monitor_started = true;
1056 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1061 static int ath10k_monitor_stop(struct ath10k *ar)
1065 lockdep_assert_held(&ar->conf_mutex);
1067 ret = ath10k_monitor_vdev_stop(ar);
1069 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1073 ret = ath10k_monitor_vdev_delete(ar);
1075 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1079 ar->monitor_started = false;
1080 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1085 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1089 /* At least one chanctx is required to derive a channel to start
1092 num_ctx = ath10k_mac_num_chanctxs(ar);
1096 /* If there's already an existing special monitor interface then don't
1097 * bother creating another monitor vdev.
1099 if (ar->monitor_arvif)
1102 return ar->monitor ||
1103 ar->filter_flags & FIF_OTHER_BSS ||
1104 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1107 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1111 num_ctx = ath10k_mac_num_chanctxs(ar);
1113 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1114 * shouldn't allow this but make sure to prevent handling the following
1115 * case anyway since multi-channel DFS hasn't been tested at all.
1117 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1123 static int ath10k_monitor_recalc(struct ath10k *ar)
1129 lockdep_assert_held(&ar->conf_mutex);
1131 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1132 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1134 ath10k_dbg(ar, ATH10K_DBG_MAC,
1135 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1136 ar->monitor_started, needed, allowed);
1138 if (WARN_ON(needed && !allowed)) {
1139 if (ar->monitor_started) {
1140 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1142 ret = ath10k_monitor_stop(ar);
1144 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
1152 if (needed == ar->monitor_started)
1156 return ath10k_monitor_start(ar);
1158 return ath10k_monitor_stop(ar);
1161 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
1163 struct ath10k *ar = arvif->ar;
1164 u32 vdev_param, rts_cts = 0;
1166 lockdep_assert_held(&ar->conf_mutex);
1168 vdev_param = ar->wmi.vdev_param->enable_rtscts;
1170 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
1172 if (arvif->num_legacy_stations > 0)
1173 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
1174 WMI_RTSCTS_PROFILE);
1176 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
1177 WMI_RTSCTS_PROFILE);
1179 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
1183 static int ath10k_start_cac(struct ath10k *ar)
1187 lockdep_assert_held(&ar->conf_mutex);
1189 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1191 ret = ath10k_monitor_recalc(ar);
1193 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
1194 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1198 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
1199 ar->monitor_vdev_id);
1204 static int ath10k_stop_cac(struct ath10k *ar)
1206 lockdep_assert_held(&ar->conf_mutex);
1208 /* CAC is not running - do nothing */
1209 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
1212 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1213 ath10k_monitor_stop(ar);
1215 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
1220 static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
1221 struct ieee80211_chanctx_conf *conf,
1226 if (!*ret && conf->radar_enabled)
1230 static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
1232 bool has_radar = false;
1234 ieee80211_iter_chan_contexts_atomic(ar->hw,
1235 ath10k_mac_has_radar_iter,
1241 static void ath10k_recalc_radar_detection(struct ath10k *ar)
1245 lockdep_assert_held(&ar->conf_mutex);
1247 ath10k_stop_cac(ar);
1249 if (!ath10k_mac_has_radar_enabled(ar))
1252 if (ar->num_started_vdevs > 0)
1255 ret = ath10k_start_cac(ar);
1258 * Not possible to start CAC on current channel so starting
1259 * radiation is not allowed, make this channel DFS_UNAVAILABLE
1260 * by indicating that radar was detected.
1262 ath10k_warn(ar, "failed to start CAC: %d\n", ret);
1263 ieee80211_radar_detected(ar->hw);
1267 static int ath10k_vdev_stop(struct ath10k_vif *arvif)
1269 struct ath10k *ar = arvif->ar;
1272 lockdep_assert_held(&ar->conf_mutex);
1274 reinit_completion(&ar->vdev_setup_done);
1276 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
1278 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
1279 arvif->vdev_id, ret);
1283 ret = ath10k_vdev_setup_sync(ar);
1285 ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n",
1286 arvif->vdev_id, ret);
1290 WARN_ON(ar->num_started_vdevs == 0);
1292 if (ar->num_started_vdevs != 0) {
1293 ar->num_started_vdevs--;
1294 ath10k_recalc_radar_detection(ar);
1300 static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
1301 const struct cfg80211_chan_def *chandef,
1304 struct ath10k *ar = arvif->ar;
1305 struct wmi_vdev_start_request_arg arg = {};
1308 lockdep_assert_held(&ar->conf_mutex);
1310 reinit_completion(&ar->vdev_setup_done);
1312 arg.vdev_id = arvif->vdev_id;
1313 arg.dtim_period = arvif->dtim_period;
1314 arg.bcn_intval = arvif->beacon_interval;
1316 arg.channel.freq = chandef->chan->center_freq;
1317 arg.channel.band_center_freq1 = chandef->center_freq1;
1318 arg.channel.mode = chan_to_phymode(chandef);
1320 arg.channel.min_power = 0;
1321 arg.channel.max_power = chandef->chan->max_power * 2;
1322 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
1323 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
1325 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
1326 arg.ssid = arvif->u.ap.ssid;
1327 arg.ssid_len = arvif->u.ap.ssid_len;
1328 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
1330 /* For now allow DFS for AP mode */
1331 arg.channel.chan_radar =
1332 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
1333 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
1334 arg.ssid = arvif->vif->bss_conf.ssid;
1335 arg.ssid_len = arvif->vif->bss_conf.ssid_len;
1338 ath10k_dbg(ar, ATH10K_DBG_MAC,
1339 "mac vdev %d start center_freq %d phymode %s\n",
1340 arg.vdev_id, arg.channel.freq,
1341 ath10k_wmi_phymode_str(arg.channel.mode));
1344 ret = ath10k_wmi_vdev_restart(ar, &arg);
1346 ret = ath10k_wmi_vdev_start(ar, &arg);
1349 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
1354 ret = ath10k_vdev_setup_sync(ar);
1357 "failed to synchronize setup for vdev %i restart %d: %d\n",
1358 arg.vdev_id, restart, ret);
1362 ar->num_started_vdevs++;
1363 ath10k_recalc_radar_detection(ar);
1368 static int ath10k_vdev_start(struct ath10k_vif *arvif,
1369 const struct cfg80211_chan_def *def)
1371 return ath10k_vdev_start_restart(arvif, def, false);
1374 static int ath10k_vdev_restart(struct ath10k_vif *arvif,
1375 const struct cfg80211_chan_def *def)
1377 return ath10k_vdev_start_restart(arvif, def, true);
1380 static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
1381 struct sk_buff *bcn)
1383 struct ath10k *ar = arvif->ar;
1384 struct ieee80211_mgmt *mgmt;
1388 if (arvif->vif->type != NL80211_IFTYPE_AP || !arvif->vif->p2p)
1391 mgmt = (void *)bcn->data;
1392 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1393 mgmt->u.beacon.variable,
1394 bcn->len - (mgmt->u.beacon.variable -
1399 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
1401 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
1402 arvif->vdev_id, ret);
1409 static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
1410 u8 oui_type, size_t ie_offset)
1417 if (WARN_ON(skb->len < ie_offset))
1420 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
1421 skb->data + ie_offset,
1422 skb->len - ie_offset);
1427 end = skb->data + skb->len;
1430 if (WARN_ON(next > end))
1433 memmove(ie, next, end - next);
1434 skb_trim(skb, skb->len - len);
1439 static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
1441 struct ath10k *ar = arvif->ar;
1442 struct ieee80211_hw *hw = ar->hw;
1443 struct ieee80211_vif *vif = arvif->vif;
1444 struct ieee80211_mutable_offsets offs = {};
1445 struct sk_buff *bcn;
1448 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1451 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
1452 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
1455 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
1457 ath10k_warn(ar, "failed to get beacon template from mac80211\n");
1461 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
1463 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
1468 /* P2P IE is inserted by firmware automatically (as configured above)
1469 * so remove it from the base beacon template to avoid duplicate P2P
1470 * IEs in beacon frames.
1472 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1473 offsetof(struct ieee80211_mgmt,
1474 u.beacon.variable));
1476 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
1481 ath10k_warn(ar, "failed to submit beacon template command: %d\n",
1489 static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
1491 struct ath10k *ar = arvif->ar;
1492 struct ieee80211_hw *hw = ar->hw;
1493 struct ieee80211_vif *vif = arvif->vif;
1494 struct sk_buff *prb;
1497 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1500 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1503 prb = ieee80211_proberesp_get(hw, vif);
1505 ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
1509 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
1513 ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
1521 static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
1523 struct ath10k *ar = arvif->ar;
1524 struct cfg80211_chan_def def;
1527 /* When originally vdev is started during assign_vif_chanctx() some
1528 * information is missing, notably SSID. Firmware revisions with beacon
1529 * offloading require the SSID to be provided during vdev (re)start to
1530 * handle hidden SSID properly.
1532 * Vdev restart must be done after vdev has been both started and
1533 * upped. Otherwise some firmware revisions (at least 10.2) fail to
1534 * deliver vdev restart response event causing timeouts during vdev
1535 * syncing in ath10k.
1537 * Note: The vdev down/up and template reinstallation could be skipped
1538 * since only wmi-tlv firmware are known to have beacon offload and
1539 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
1540 * response delivery. It's probably more robust to keep it as is.
1542 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1545 if (WARN_ON(!arvif->is_started))
1548 if (WARN_ON(!arvif->is_up))
1551 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
1554 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1556 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
1557 arvif->vdev_id, ret);
1561 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
1562 * firmware will crash upon vdev up.
1565 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1567 ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
1571 ret = ath10k_mac_setup_prb_tmpl(arvif);
1573 ath10k_warn(ar, "failed to update presp template: %d\n", ret);
1577 ret = ath10k_vdev_restart(arvif, &def);
1579 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
1580 arvif->vdev_id, ret);
1584 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1587 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
1588 arvif->vdev_id, ret);
1595 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
1596 struct ieee80211_bss_conf *info)
1598 struct ath10k *ar = arvif->ar;
1601 lockdep_assert_held(&arvif->ar->conf_mutex);
1603 if (!info->enable_beacon) {
1604 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1606 ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
1607 arvif->vdev_id, ret);
1609 arvif->is_up = false;
1611 spin_lock_bh(&arvif->ar->data_lock);
1612 ath10k_mac_vif_beacon_free(arvif);
1613 spin_unlock_bh(&arvif->ar->data_lock);
1618 arvif->tx_seq_no = 0x1000;
1621 ether_addr_copy(arvif->bssid, info->bssid);
1623 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1626 ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
1627 arvif->vdev_id, ret);
1631 arvif->is_up = true;
1633 ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
1635 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
1636 arvif->vdev_id, ret);
1640 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
1643 static void ath10k_control_ibss(struct ath10k_vif *arvif,
1644 struct ieee80211_bss_conf *info,
1645 const u8 self_peer[ETH_ALEN])
1647 struct ath10k *ar = arvif->ar;
1651 lockdep_assert_held(&arvif->ar->conf_mutex);
1653 if (!info->ibss_joined) {
1654 if (is_zero_ether_addr(arvif->bssid))
1657 eth_zero_addr(arvif->bssid);
1662 vdev_param = arvif->ar->wmi.vdev_param->atim_window;
1663 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
1664 ATH10K_DEFAULT_ATIM);
1666 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
1667 arvif->vdev_id, ret);
1670 static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
1672 struct ath10k *ar = arvif->ar;
1677 lockdep_assert_held(&arvif->ar->conf_mutex);
1679 if (arvif->u.sta.uapsd)
1680 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
1682 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
1684 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
1685 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
1687 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
1688 value, arvif->vdev_id, ret);
1695 static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
1697 struct ath10k *ar = arvif->ar;
1702 lockdep_assert_held(&arvif->ar->conf_mutex);
1704 if (arvif->u.sta.uapsd)
1705 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
1707 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
1709 param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
1710 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
1713 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
1714 value, arvif->vdev_id, ret);
1721 static int ath10k_mac_num_vifs_started(struct ath10k *ar)
1723 struct ath10k_vif *arvif;
1726 lockdep_assert_held(&ar->conf_mutex);
1728 list_for_each_entry(arvif, &ar->arvifs, list)
1729 if (arvif->is_started)
1735 static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
1737 struct ath10k *ar = arvif->ar;
1738 struct ieee80211_vif *vif = arvif->vif;
1739 struct ieee80211_conf *conf = &ar->hw->conf;
1740 enum wmi_sta_powersave_param param;
1741 enum wmi_sta_ps_mode psmode;
1746 lockdep_assert_held(&arvif->ar->conf_mutex);
1748 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1751 enable_ps = arvif->ps;
1753 if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 &&
1754 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
1756 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
1761 if (!arvif->is_started) {
1762 /* mac80211 can update vif powersave state while disconnected.
1763 * Firmware doesn't behave nicely and consumes more power than
1764 * necessary if PS is disabled on a non-started vdev. Hence
1765 * force-enable PS for non-running vdevs.
1767 psmode = WMI_STA_PS_MODE_ENABLED;
1768 } else if (enable_ps) {
1769 psmode = WMI_STA_PS_MODE_ENABLED;
1770 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1772 ps_timeout = conf->dynamic_ps_timeout;
1773 if (ps_timeout == 0) {
1774 /* Firmware doesn't like 0 */
1775 ps_timeout = ieee80211_tu_to_usec(
1776 vif->bss_conf.beacon_int) / 1000;
1779 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
1782 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
1783 arvif->vdev_id, ret);
1787 psmode = WMI_STA_PS_MODE_DISABLED;
1790 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
1791 arvif->vdev_id, psmode ? "enable" : "disable");
1793 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
1795 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
1796 psmode, arvif->vdev_id, ret);
1803 static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
1805 struct ath10k *ar = arvif->ar;
1806 struct wmi_sta_keepalive_arg arg = {};
1809 lockdep_assert_held(&arvif->ar->conf_mutex);
1811 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
1814 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
1817 /* Some firmware revisions have a bug and ignore the `enabled` field.
1818 * Instead use the interval to disable the keepalive.
1820 arg.vdev_id = arvif->vdev_id;
1822 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
1823 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
1825 ret = ath10k_wmi_sta_keepalive(ar, &arg);
1827 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
1828 arvif->vdev_id, ret);
1835 static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
1837 struct ath10k *ar = arvif->ar;
1838 struct ieee80211_vif *vif = arvif->vif;
1841 lockdep_assert_held(&arvif->ar->conf_mutex);
1843 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
1846 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1849 if (!vif->csa_active)
1855 if (!ieee80211_csa_is_complete(vif)) {
1856 ieee80211_csa_update_counter(vif);
1858 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1860 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
1863 ret = ath10k_mac_setup_prb_tmpl(arvif);
1865 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
1868 ieee80211_csa_finish(vif);
1872 static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
1874 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1876 struct ath10k *ar = arvif->ar;
1878 mutex_lock(&ar->conf_mutex);
1879 ath10k_mac_vif_ap_csa_count_down(arvif);
1880 mutex_unlock(&ar->conf_mutex);
1883 static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
1884 struct ieee80211_vif *vif)
1886 struct sk_buff *skb = data;
1887 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1888 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1890 if (vif->type != NL80211_IFTYPE_STATION)
1893 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1896 cancel_delayed_work(&arvif->connection_loss_work);
1899 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
1901 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1902 IEEE80211_IFACE_ITER_NORMAL,
1903 ath10k_mac_handle_beacon_iter,
1907 static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1908 struct ieee80211_vif *vif)
1910 u32 *vdev_id = data;
1911 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1912 struct ath10k *ar = arvif->ar;
1913 struct ieee80211_hw *hw = ar->hw;
1915 if (arvif->vdev_id != *vdev_id)
1921 ieee80211_beacon_loss(vif);
1923 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1924 * (done by mac80211) succeeds but beacons do not resume then it
1925 * doesn't make sense to continue operation. Queue connection loss work
1926 * which can be cancelled when beacon is received.
1928 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1929 ATH10K_CONNECTION_LOSS_HZ);
1932 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
1934 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1935 IEEE80211_IFACE_ITER_NORMAL,
1936 ath10k_mac_handle_beacon_miss_iter,
1940 static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1942 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1943 connection_loss_work.work);
1944 struct ieee80211_vif *vif = arvif->vif;
1949 ieee80211_connection_loss(vif);
1952 /**********************/
1953 /* Station management */
1954 /**********************/
1956 static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
1957 struct ieee80211_vif *vif)
1959 /* Some firmware revisions have unstable STA powersave when listen
1960 * interval is set too high (e.g. 5). The symptoms are firmware doesn't
1961 * generate NullFunc frames properly even if buffered frames have been
1962 * indicated in Beacon TIM. Firmware would seldom wake up to pull
1963 * buffered frames. Often pinging the device from AP would simply fail.
1965 * As a workaround set it to 1.
1967 if (vif->type == NL80211_IFTYPE_STATION)
1970 return ar->hw->conf.listen_interval;
1973 static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
1974 struct ieee80211_vif *vif,
1975 struct ieee80211_sta *sta,
1976 struct wmi_peer_assoc_complete_arg *arg)
1978 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1981 lockdep_assert_held(&ar->conf_mutex);
1983 if (vif->type == NL80211_IFTYPE_STATION)
1984 aid = vif->bss_conf.aid;
1988 ether_addr_copy(arg->addr, sta->addr);
1989 arg->vdev_id = arvif->vdev_id;
1990 arg->peer_aid = aid;
1991 arg->peer_flags |= arvif->ar->wmi.peer_flags->auth;
1992 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
1993 arg->peer_num_spatial_streams = 1;
1994 arg->peer_caps = vif->bss_conf.assoc_capability;
1997 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
1998 struct ieee80211_vif *vif,
1999 struct ieee80211_sta *sta,
2000 struct wmi_peer_assoc_complete_arg *arg)
2002 struct ieee80211_bss_conf *info = &vif->bss_conf;
2003 struct cfg80211_chan_def def;
2004 struct cfg80211_bss *bss;
2005 const u8 *rsnie = NULL;
2006 const u8 *wpaie = NULL;
2008 lockdep_assert_held(&ar->conf_mutex);
2010 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2013 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
2014 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
2016 const struct cfg80211_bss_ies *ies;
2019 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
2021 ies = rcu_dereference(bss->ies);
2023 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
2024 WLAN_OUI_TYPE_MICROSOFT_WPA,
2028 cfg80211_put_bss(ar->hw->wiphy, bss);
2031 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
2032 if (rsnie || wpaie) {
2033 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
2034 arg->peer_flags |= ar->wmi.peer_flags->need_ptk_4_way;
2038 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
2039 arg->peer_flags |= ar->wmi.peer_flags->need_gtk_2_way;
2043 test_bit(ATH10K_FW_FEATURE_MFP_SUPPORT, ar->fw_features)) {
2044 arg->peer_flags |= ar->wmi.peer_flags->pmf;
2048 static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
2049 struct ieee80211_vif *vif,
2050 struct ieee80211_sta *sta,
2051 struct wmi_peer_assoc_complete_arg *arg)
2053 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2054 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
2055 struct cfg80211_chan_def def;
2056 const struct ieee80211_supported_band *sband;
2057 const struct ieee80211_rate *rates;
2058 enum ieee80211_band band;
2063 lockdep_assert_held(&ar->conf_mutex);
2065 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2068 band = def.chan->band;
2069 sband = ar->hw->wiphy->bands[band];
2070 ratemask = sta->supp_rates[band];
2071 ratemask &= arvif->bitrate_mask.control[band].legacy;
2072 rates = sband->bitrates;
2074 rateset->num_rates = 0;
2076 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
2077 if (!(ratemask & 1))
2080 rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
2081 rateset->rates[rateset->num_rates] = rate;
2082 rateset->num_rates++;
2087 ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2091 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
2092 if (ht_mcs_mask[nss])
2099 ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
2103 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
2104 if (vht_mcs_mask[nss])
2110 static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
2111 struct ieee80211_vif *vif,
2112 struct ieee80211_sta *sta,
2113 struct wmi_peer_assoc_complete_arg *arg)
2115 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
2116 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2117 struct cfg80211_chan_def def;
2118 enum ieee80211_band band;
2119 const u8 *ht_mcs_mask;
2120 const u16 *vht_mcs_mask;
2125 lockdep_assert_held(&ar->conf_mutex);
2127 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2130 if (!ht_cap->ht_supported)
2133 band = def.chan->band;
2134 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2135 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2137 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2138 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2141 arg->peer_flags |= ar->wmi.peer_flags->ht;
2142 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2143 ht_cap->ampdu_factor)) - 1;
2145 arg->peer_mpdu_density =
2146 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2148 arg->peer_ht_caps = ht_cap->cap;
2149 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2151 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2152 arg->peer_flags |= ar->wmi.peer_flags->ldbc;
2154 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2155 arg->peer_flags |= ar->wmi.peer_flags->bw40;
2156 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2159 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2160 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2161 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2163 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2164 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2167 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2168 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2169 arg->peer_flags |= ar->wmi.peer_flags->stbc;
2172 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
2173 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2174 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2175 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2176 arg->peer_rate_caps |= stbc;
2177 arg->peer_flags |= ar->wmi.peer_flags->stbc;
2180 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2181 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2182 else if (ht_cap->mcs.rx_mask[1])
2183 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2185 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2186 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2187 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2188 max_nss = (i / 8) + 1;
2189 arg->peer_ht_rates.rates[n++] = i;
2193 * This is a workaround for HT-enabled STAs which break the spec
2194 * and have no HT capabilities RX mask (no HT RX MCS map).
2196 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2197 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2199 * Firmware asserts if such situation occurs.
2202 arg->peer_ht_rates.num_rates = 8;
2203 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2204 arg->peer_ht_rates.rates[i] = i;
2206 arg->peer_ht_rates.num_rates = n;
2207 arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
2210 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
2212 arg->peer_ht_rates.num_rates,
2213 arg->peer_num_spatial_streams);
2216 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2217 struct ath10k_vif *arvif,
2218 struct ieee80211_sta *sta)
2224 lockdep_assert_held(&ar->conf_mutex);
2226 if (sta->wme && sta->uapsd_queues) {
2227 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
2228 sta->uapsd_queues, sta->max_sp);
2230 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2231 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2232 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2233 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2234 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2235 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2236 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2237 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2238 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2239 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2240 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2241 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2243 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2244 max_sp = sta->max_sp;
2246 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2248 WMI_AP_PS_PEER_PARAM_UAPSD,
2251 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
2252 arvif->vdev_id, ret);
2256 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2258 WMI_AP_PS_PEER_PARAM_MAX_SP,
2261 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
2262 arvif->vdev_id, ret);
2266 /* TODO setup this based on STA listen interval and
2267 beacon interval. Currently we don't know
2268 sta->listen_interval - mac80211 patch required.
2269 Currently use 10 seconds */
2270 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
2271 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2274 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
2275 arvif->vdev_id, ret);
2284 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2285 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2292 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2293 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2297 idx_limit = fls(mcs_map) - 1;
2301 switch (idx_limit) {
2302 case 0: /* fall through */
2303 case 1: /* fall through */
2304 case 2: /* fall through */
2305 case 3: /* fall through */
2306 case 4: /* fall through */
2307 case 5: /* fall through */
2308 case 6: /* fall through */
2310 /* see ath10k_mac_can_set_bitrate_mask() */
2314 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2317 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2320 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2323 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2327 tx_mcs_set &= ~(0x3 << (nss * 2));
2328 tx_mcs_set |= mcs << (nss * 2);
2334 static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
2335 struct ieee80211_vif *vif,
2336 struct ieee80211_sta *sta,
2337 struct wmi_peer_assoc_complete_arg *arg)
2339 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
2340 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2341 struct cfg80211_chan_def def;
2342 enum ieee80211_band band;
2343 const u16 *vht_mcs_mask;
2346 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2349 if (!vht_cap->vht_supported)
2352 band = def.chan->band;
2353 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2355 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2358 arg->peer_flags |= ar->wmi.peer_flags->vht;
2360 if (def.chan->band == IEEE80211_BAND_2GHZ)
2361 arg->peer_flags |= ar->wmi.peer_flags->vht_2g;
2363 arg->peer_vht_caps = vht_cap->cap;
2365 ampdu_factor = (vht_cap->cap &
2366 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2367 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2369 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2370 * zero in VHT IE. Using it would result in degraded throughput.
2371 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2372 * it if VHT max_mpdu is smaller. */
2373 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2374 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2375 ampdu_factor)) - 1);
2377 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2378 arg->peer_flags |= ar->wmi.peer_flags->bw80;
2380 arg->peer_vht_rates.rx_max_rate =
2381 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2382 arg->peer_vht_rates.rx_mcs_set =
2383 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2384 arg->peer_vht_rates.tx_max_rate =
2385 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2386 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2387 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2389 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
2390 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
2393 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
2394 struct ieee80211_vif *vif,
2395 struct ieee80211_sta *sta,
2396 struct wmi_peer_assoc_complete_arg *arg)
2398 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2400 switch (arvif->vdev_type) {
2401 case WMI_VDEV_TYPE_AP:
2403 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2405 if (sta->wme && sta->uapsd_queues) {
2406 arg->peer_flags |= arvif->ar->wmi.peer_flags->apsd;
2407 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2410 case WMI_VDEV_TYPE_STA:
2411 if (vif->bss_conf.qos)
2412 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2414 case WMI_VDEV_TYPE_IBSS:
2416 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2422 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2423 sta->addr, !!(arg->peer_flags &
2424 arvif->ar->wmi.peer_flags->qos));
2427 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2429 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2430 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
2433 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
2434 struct ieee80211_vif *vif,
2435 struct ieee80211_sta *sta,
2436 struct wmi_peer_assoc_complete_arg *arg)
2438 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2439 struct cfg80211_chan_def def;
2440 enum ieee80211_band band;
2441 const u8 *ht_mcs_mask;
2442 const u16 *vht_mcs_mask;
2443 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2445 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2448 band = def.chan->band;
2449 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2450 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2453 case IEEE80211_BAND_2GHZ:
2454 if (sta->vht_cap.vht_supported &&
2455 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2456 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2457 phymode = MODE_11AC_VHT40;
2459 phymode = MODE_11AC_VHT20;
2460 } else if (sta->ht_cap.ht_supported &&
2461 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2462 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2463 phymode = MODE_11NG_HT40;
2465 phymode = MODE_11NG_HT20;
2466 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
2473 case IEEE80211_BAND_5GHZ:
2477 if (sta->vht_cap.vht_supported &&
2478 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2479 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2480 phymode = MODE_11AC_VHT80;
2481 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2482 phymode = MODE_11AC_VHT40;
2483 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2484 phymode = MODE_11AC_VHT20;
2485 } else if (sta->ht_cap.ht_supported &&
2486 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2487 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
2488 phymode = MODE_11NA_HT40;
2490 phymode = MODE_11NA_HT20;
2500 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
2501 sta->addr, ath10k_wmi_phymode_str(phymode));
2503 arg->peer_phymode = phymode;
2504 WARN_ON(phymode == MODE_UNKNOWN);
2507 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
2508 struct ieee80211_vif *vif,
2509 struct ieee80211_sta *sta,
2510 struct wmi_peer_assoc_complete_arg *arg)
2512 lockdep_assert_held(&ar->conf_mutex);
2514 memset(arg, 0, sizeof(*arg));
2516 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2517 ath10k_peer_assoc_h_crypto(ar, vif, sta, arg);
2518 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
2519 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
2520 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
2521 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2522 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
2527 static const u32 ath10k_smps_map[] = {
2528 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2529 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2530 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2531 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2534 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2536 const struct ieee80211_sta_ht_cap *ht_cap)
2540 if (!ht_cap->ht_supported)
2543 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2544 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2546 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2549 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2550 WMI_PEER_SMPS_STATE,
2551 ath10k_smps_map[smps]);
2554 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2555 struct ieee80211_vif *vif,
2556 struct ieee80211_sta_vht_cap vht_cap)
2558 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2563 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
2566 if (!(ar->vht_cap_info &
2567 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2568 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2569 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2570 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2573 param = ar->wmi.vdev_param->txbf;
2576 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2579 /* The following logic is correct. If a remote STA advertises support
2580 * for being a beamformer then we should enable us being a beamformee.
2583 if (ar->vht_cap_info &
2584 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2585 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2586 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2587 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2589 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2590 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2593 if (ar->vht_cap_info &
2594 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2595 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2596 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2597 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2599 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2600 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2603 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2604 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2606 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2607 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2609 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2611 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2619 /* can be called only in mac80211 callbacks due to `key_count` usage */
2620 static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2621 struct ieee80211_vif *vif,
2622 struct ieee80211_bss_conf *bss_conf)
2624 struct ath10k *ar = hw->priv;
2625 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2626 struct ieee80211_sta_ht_cap ht_cap;
2627 struct ieee80211_sta_vht_cap vht_cap;
2628 struct wmi_peer_assoc_complete_arg peer_arg;
2629 struct ieee80211_sta *ap_sta;
2632 lockdep_assert_held(&ar->conf_mutex);
2634 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2635 arvif->vdev_id, arvif->bssid, arvif->aid);
2639 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2641 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
2642 bss_conf->bssid, arvif->vdev_id);
2647 /* ap_sta must be accessed only within rcu section which must be left
2648 * before calling ath10k_setup_peer_smps() which might sleep. */
2649 ht_cap = ap_sta->ht_cap;
2650 vht_cap = ap_sta->vht_cap;
2652 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
2654 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
2655 bss_conf->bssid, arvif->vdev_id, ret);
2662 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2664 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
2665 bss_conf->bssid, arvif->vdev_id, ret);
2669 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2671 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
2672 arvif->vdev_id, ret);
2676 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2678 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2679 arvif->vdev_id, bss_conf->bssid, ret);
2683 ath10k_dbg(ar, ATH10K_DBG_MAC,
2684 "mac vdev %d up (associated) bssid %pM aid %d\n",
2685 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2687 WARN_ON(arvif->is_up);
2689 arvif->aid = bss_conf->aid;
2690 ether_addr_copy(arvif->bssid, bss_conf->bssid);
2692 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2694 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
2695 arvif->vdev_id, ret);
2699 arvif->is_up = true;
2701 /* Workaround: Some firmware revisions (tested with qca6174
2702 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2703 * poked with peer param command.
2705 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2706 WMI_PEER_DUMMY_VAR, 1);
2708 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2709 arvif->bssid, arvif->vdev_id, ret);
2714 static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2715 struct ieee80211_vif *vif)
2717 struct ath10k *ar = hw->priv;
2718 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2719 struct ieee80211_sta_vht_cap vht_cap = {};
2722 lockdep_assert_held(&ar->conf_mutex);
2724 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2725 arvif->vdev_id, arvif->bssid);
2727 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
2729 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2730 arvif->vdev_id, ret);
2732 arvif->def_wep_key_idx = -1;
2734 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2736 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2737 arvif->vdev_id, ret);
2741 arvif->is_up = false;
2743 cancel_delayed_work_sync(&arvif->connection_loss_work);
2746 static int ath10k_station_assoc(struct ath10k *ar,
2747 struct ieee80211_vif *vif,
2748 struct ieee80211_sta *sta,
2751 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2752 struct wmi_peer_assoc_complete_arg peer_arg;
2755 lockdep_assert_held(&ar->conf_mutex);
2757 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
2759 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
2760 sta->addr, arvif->vdev_id, ret);
2764 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2766 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2767 sta->addr, arvif->vdev_id, ret);
2771 /* Re-assoc is run only to update supported rates for given station. It
2772 * doesn't make much sense to reconfigure the peer completely.
2775 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2778 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
2779 arvif->vdev_id, ret);
2783 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2785 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2786 sta->addr, arvif->vdev_id, ret);
2791 arvif->num_legacy_stations++;
2792 ret = ath10k_recalc_rtscts_prot(arvif);
2794 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2795 arvif->vdev_id, ret);
2800 /* Plumb cached keys only for static WEP */
2801 if (arvif->def_wep_key_idx != -1) {
2802 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2804 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2805 arvif->vdev_id, ret);
2814 static int ath10k_station_disassoc(struct ath10k *ar,
2815 struct ieee80211_vif *vif,
2816 struct ieee80211_sta *sta)
2818 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2821 lockdep_assert_held(&ar->conf_mutex);
2824 arvif->num_legacy_stations--;
2825 ret = ath10k_recalc_rtscts_prot(arvif);
2827 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2828 arvif->vdev_id, ret);
2833 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2835 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
2836 arvif->vdev_id, ret);
2847 static int ath10k_update_channel_list(struct ath10k *ar)
2849 struct ieee80211_hw *hw = ar->hw;
2850 struct ieee80211_supported_band **bands;
2851 enum ieee80211_band band;
2852 struct ieee80211_channel *channel;
2853 struct wmi_scan_chan_list_arg arg = {0};
2854 struct wmi_channel_arg *ch;
2860 lockdep_assert_held(&ar->conf_mutex);
2862 bands = hw->wiphy->bands;
2863 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2867 for (i = 0; i < bands[band]->n_channels; i++) {
2868 if (bands[band]->channels[i].flags &
2869 IEEE80211_CHAN_DISABLED)
2876 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2877 arg.channels = kzalloc(len, GFP_KERNEL);
2882 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2886 for (i = 0; i < bands[band]->n_channels; i++) {
2887 channel = &bands[band]->channels[i];
2889 if (channel->flags & IEEE80211_CHAN_DISABLED)
2892 ch->allow_ht = true;
2894 /* FIXME: when should we really allow VHT? */
2895 ch->allow_vht = true;
2898 !(channel->flags & IEEE80211_CHAN_NO_IR);
2901 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2904 !!(channel->flags & IEEE80211_CHAN_RADAR);
2906 passive = channel->flags & IEEE80211_CHAN_NO_IR;
2907 ch->passive = passive;
2909 ch->freq = channel->center_freq;
2910 ch->band_center_freq1 = channel->center_freq;
2912 ch->max_power = channel->max_power * 2;
2913 ch->max_reg_power = channel->max_reg_power * 2;
2914 ch->max_antenna_gain = channel->max_antenna_gain * 2;
2915 ch->reg_class_id = 0; /* FIXME */
2917 /* FIXME: why use only legacy modes, why not any
2918 * HT/VHT modes? Would that even make any
2920 if (channel->band == IEEE80211_BAND_2GHZ)
2921 ch->mode = MODE_11G;
2923 ch->mode = MODE_11A;
2925 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2928 ath10k_dbg(ar, ATH10K_DBG_WMI,
2929 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2930 ch - arg.channels, arg.n_channels,
2931 ch->freq, ch->max_power, ch->max_reg_power,
2932 ch->max_antenna_gain, ch->mode);
2938 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2939 kfree(arg.channels);
2944 static enum wmi_dfs_region
2945 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2947 switch (dfs_region) {
2948 case NL80211_DFS_UNSET:
2949 return WMI_UNINIT_DFS_DOMAIN;
2950 case NL80211_DFS_FCC:
2951 return WMI_FCC_DFS_DOMAIN;
2952 case NL80211_DFS_ETSI:
2953 return WMI_ETSI_DFS_DOMAIN;
2954 case NL80211_DFS_JP:
2955 return WMI_MKK4_DFS_DOMAIN;
2957 return WMI_UNINIT_DFS_DOMAIN;
2960 static void ath10k_regd_update(struct ath10k *ar)
2962 struct reg_dmn_pair_mapping *regpair;
2964 enum wmi_dfs_region wmi_dfs_reg;
2965 enum nl80211_dfs_regions nl_dfs_reg;
2967 lockdep_assert_held(&ar->conf_mutex);
2969 ret = ath10k_update_channel_list(ar);
2971 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
2973 regpair = ar->ath_common.regulatory.regpair;
2975 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2976 nl_dfs_reg = ar->dfs_detector->region;
2977 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2979 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2982 /* Target allows setting up per-band regdomain but ath_common provides
2983 * a combined one only */
2984 ret = ath10k_wmi_pdev_set_regdomain(ar,
2985 regpair->reg_domain,
2986 regpair->reg_domain, /* 2ghz */
2987 regpair->reg_domain, /* 5ghz */
2988 regpair->reg_2ghz_ctl,
2989 regpair->reg_5ghz_ctl,
2992 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
2995 static void ath10k_reg_notifier(struct wiphy *wiphy,
2996 struct regulatory_request *request)
2998 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2999 struct ath10k *ar = hw->priv;
3002 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
3004 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
3005 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
3006 request->dfs_region);
3007 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
3008 request->dfs_region);
3010 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
3011 request->dfs_region);
3014 mutex_lock(&ar->conf_mutex);
3015 if (ar->state == ATH10K_STATE_ON)
3016 ath10k_regd_update(ar);
3017 mutex_unlock(&ar->conf_mutex);
3024 enum ath10k_mac_tx_path {
3026 ATH10K_MAC_TX_HTT_MGMT,
3027 ATH10K_MAC_TX_WMI_MGMT,
3028 ATH10K_MAC_TX_UNKNOWN,
3031 void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
3033 lockdep_assert_held(&ar->htt.tx_lock);
3035 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3036 ar->tx_paused |= BIT(reason);
3037 ieee80211_stop_queues(ar->hw);
3040 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
3041 struct ieee80211_vif *vif)
3043 struct ath10k *ar = data;
3044 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3046 if (arvif->tx_paused)
3049 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3052 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
3054 lockdep_assert_held(&ar->htt.tx_lock);
3056 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3057 ar->tx_paused &= ~BIT(reason);
3062 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3063 IEEE80211_IFACE_ITER_RESUME_ALL,
3064 ath10k_mac_tx_unlock_iter,
3067 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
3070 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
3072 struct ath10k *ar = arvif->ar;
3074 lockdep_assert_held(&ar->htt.tx_lock);
3076 WARN_ON(reason >= BITS_PER_LONG);
3077 arvif->tx_paused |= BIT(reason);
3078 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3081 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3083 struct ath10k *ar = arvif->ar;
3085 lockdep_assert_held(&ar->htt.tx_lock);
3087 WARN_ON(reason >= BITS_PER_LONG);
3088 arvif->tx_paused &= ~BIT(reason);
3093 if (arvif->tx_paused)
3096 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3099 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3100 enum wmi_tlv_tx_pause_id pause_id,
3101 enum wmi_tlv_tx_pause_action action)
3103 struct ath10k *ar = arvif->ar;
3105 lockdep_assert_held(&ar->htt.tx_lock);
3108 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3109 ath10k_mac_vif_tx_lock(arvif, pause_id);
3111 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3112 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3115 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3116 action, arvif->vdev_id);
3121 struct ath10k_mac_tx_pause {
3123 enum wmi_tlv_tx_pause_id pause_id;
3124 enum wmi_tlv_tx_pause_action action;
3127 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3128 struct ieee80211_vif *vif)
3130 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3131 struct ath10k_mac_tx_pause *arg = data;
3133 if (arvif->vdev_id != arg->vdev_id)
3136 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3139 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
3140 enum wmi_tlv_tx_pause_id pause_id,
3141 enum wmi_tlv_tx_pause_action action)
3143 struct ath10k_mac_tx_pause arg = {
3145 .pause_id = pause_id,
3149 spin_lock_bh(&ar->htt.tx_lock);
3150 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3151 IEEE80211_IFACE_ITER_RESUME_ALL,
3152 ath10k_mac_handle_tx_pause_iter,
3154 spin_unlock_bh(&ar->htt.tx_lock);
3157 static enum ath10k_hw_txrx_mode
3158 ath10k_mac_tx_h_get_txmode(struct ath10k *ar,
3159 struct ieee80211_vif *vif,
3160 struct ieee80211_sta *sta,
3161 struct sk_buff *skb)
3163 const struct ieee80211_hdr *hdr = (void *)skb->data;
3164 __le16 fc = hdr->frame_control;
3166 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3167 return ATH10K_HW_TXRX_RAW;
3169 if (ieee80211_is_mgmt(fc))
3170 return ATH10K_HW_TXRX_MGMT;
3174 * NullFunc frames are mostly used to ping if a client or AP are still
3175 * reachable and responsive. This implies tx status reports must be
3176 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3177 * come to a conclusion that the other end disappeared and tear down
3178 * BSS connection or it can never disconnect from BSS/client (which is
3181 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3182 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3183 * which seems to deliver correct tx reports for NullFunc frames. The
3184 * downside of using it is it ignores client powersave state so it can
3185 * end up disconnecting sleeping clients in AP mode. It should fix STA
3186 * mode though because AP don't sleep.
3188 if (ar->htt.target_version_major < 3 &&
3189 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3190 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3191 return ATH10K_HW_TXRX_MGMT;
3195 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3196 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3197 * to work with Ethernet txmode so use it.
3199 * FIXME: Check if raw mode works with TDLS.
3201 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3202 return ATH10K_HW_TXRX_ETHERNET;
3204 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
3205 return ATH10K_HW_TXRX_RAW;
3207 return ATH10K_HW_TXRX_NATIVE_WIFI;
3210 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
3211 struct sk_buff *skb)
3213 const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3214 const struct ieee80211_hdr *hdr = (void *)skb->data;
3215 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
3216 IEEE80211_TX_CTL_INJECTED;
3218 if (!ieee80211_has_protected(hdr->frame_control))
3221 if ((info->flags & mask) == mask)
3225 return !ath10k_vif_to_arvif(vif)->nohwcrypt;
3230 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3231 * Control in the header.
3233 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
3235 struct ieee80211_hdr *hdr = (void *)skb->data;
3236 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3239 if (!ieee80211_is_data_qos(hdr->frame_control))
3242 qos_ctl = ieee80211_get_qos_ctl(hdr);
3243 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3244 skb->data, (void *)qos_ctl - (void *)skb->data);
3245 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
3247 /* Some firmware revisions don't handle sending QoS NullFunc well.
3248 * These frames are mainly used for CQM purposes so it doesn't really
3249 * matter whether QoS NullFunc or NullFunc are sent.
3251 hdr = (void *)skb->data;
3252 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
3253 cb->flags &= ~ATH10K_SKB_F_QOS;
3255 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
3258 static void ath10k_tx_h_8023(struct sk_buff *skb)
3260 struct ieee80211_hdr *hdr;
3261 struct rfc1042_hdr *rfc1042;
3268 hdr = (void *)skb->data;
3269 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3270 rfc1042 = (void *)skb->data + hdrlen;
3272 ether_addr_copy(da, ieee80211_get_DA(hdr));
3273 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3274 type = rfc1042->snap_type;
3276 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3277 skb_push(skb, sizeof(*eth));
3279 eth = (void *)skb->data;
3280 ether_addr_copy(eth->h_dest, da);
3281 ether_addr_copy(eth->h_source, sa);
3282 eth->h_proto = type;
3285 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3286 struct ieee80211_vif *vif,
3287 struct sk_buff *skb)
3289 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3290 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3292 /* This is case only for P2P_GO */
3293 if (vif->type != NL80211_IFTYPE_AP || !vif->p2p)
3296 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3297 spin_lock_bh(&ar->data_lock);
3298 if (arvif->u.ap.noa_data)
3299 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3301 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3302 arvif->u.ap.noa_data,
3303 arvif->u.ap.noa_len);
3304 spin_unlock_bh(&ar->data_lock);
3308 static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar,
3309 struct ieee80211_vif *vif,
3310 struct ieee80211_txq *txq,
3311 struct sk_buff *skb)
3313 struct ieee80211_hdr *hdr = (void *)skb->data;
3314 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3317 if (!ath10k_tx_h_use_hwcrypto(vif, skb))
3318 cb->flags |= ATH10K_SKB_F_NO_HWCRYPT;
3320 if (ieee80211_is_mgmt(hdr->frame_control))
3321 cb->flags |= ATH10K_SKB_F_MGMT;
3323 if (ieee80211_is_data_qos(hdr->frame_control))
3324 cb->flags |= ATH10K_SKB_F_QOS;
3330 bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
3332 /* FIXME: Not really sure since when the behaviour changed. At some
3333 * point new firmware stopped requiring creation of peer entries for
3334 * offchannel tx (and actually creating them causes issues with wmi-htc
3335 * tx credit replenishment and reliability). Assuming it's at least 3.4
3336 * because that's when the `freq` was introduced to TX_FRM HTT command.
3338 return (ar->htt.target_version_major >= 3 &&
3339 ar->htt.target_version_minor >= 4 &&
3340 ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_TLV);
3343 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
3345 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
3348 spin_lock_bh(&ar->data_lock);
3350 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3351 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3356 __skb_queue_tail(q, skb);
3357 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
3360 spin_unlock_bh(&ar->data_lock);
3365 static enum ath10k_mac_tx_path
3366 ath10k_mac_tx_h_get_txpath(struct ath10k *ar,
3367 struct sk_buff *skb,
3368 enum ath10k_hw_txrx_mode txmode)
3371 case ATH10K_HW_TXRX_RAW:
3372 case ATH10K_HW_TXRX_NATIVE_WIFI:
3373 case ATH10K_HW_TXRX_ETHERNET:
3374 return ATH10K_MAC_TX_HTT;
3375 case ATH10K_HW_TXRX_MGMT:
3376 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3378 return ATH10K_MAC_TX_WMI_MGMT;
3379 else if (ar->htt.target_version_major >= 3)
3380 return ATH10K_MAC_TX_HTT;
3382 return ATH10K_MAC_TX_HTT_MGMT;
3385 return ATH10K_MAC_TX_UNKNOWN;
3388 static int ath10k_mac_tx_submit(struct ath10k *ar,
3389 enum ath10k_hw_txrx_mode txmode,
3390 enum ath10k_mac_tx_path txpath,
3391 struct sk_buff *skb)
3393 struct ath10k_htt *htt = &ar->htt;
3397 case ATH10K_MAC_TX_HTT:
3398 ret = ath10k_htt_tx(htt, txmode, skb);
3400 case ATH10K_MAC_TX_HTT_MGMT:
3401 ret = ath10k_htt_mgmt_tx(htt, skb);
3403 case ATH10K_MAC_TX_WMI_MGMT:
3404 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3406 case ATH10K_MAC_TX_UNKNOWN:
3413 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3415 ieee80211_free_txskb(ar->hw, skb);
3421 /* This function consumes the sk_buff regardless of return value as far as
3422 * caller is concerned so no freeing is necessary afterwards.
3424 static int ath10k_mac_tx(struct ath10k *ar,
3425 struct ieee80211_vif *vif,
3426 struct ieee80211_sta *sta,
3427 enum ath10k_hw_txrx_mode txmode,
3428 enum ath10k_mac_tx_path txpath,
3429 struct sk_buff *skb)
3431 struct ieee80211_hw *hw = ar->hw;
3432 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3435 /* We should disable CCK RATE due to P2P */
3436 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
3437 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
3440 case ATH10K_HW_TXRX_MGMT:
3441 case ATH10K_HW_TXRX_NATIVE_WIFI:
3442 ath10k_tx_h_nwifi(hw, skb);
3443 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3444 ath10k_tx_h_seq_no(vif, skb);
3446 case ATH10K_HW_TXRX_ETHERNET:
3447 ath10k_tx_h_8023(skb);
3449 case ATH10K_HW_TXRX_RAW:
3450 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
3452 ieee80211_free_txskb(hw, skb);
3457 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3458 if (!ath10k_mac_tx_frm_has_freq(ar)) {
3459 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3462 skb_queue_tail(&ar->offchan_tx_queue, skb);
3463 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3468 ret = ath10k_mac_tx_submit(ar, txmode, txpath, skb);
3470 ath10k_warn(ar, "failed to submit frame: %d\n", ret);
3477 void ath10k_offchan_tx_purge(struct ath10k *ar)
3479 struct sk_buff *skb;
3482 skb = skb_dequeue(&ar->offchan_tx_queue);
3486 ieee80211_free_txskb(ar->hw, skb);
3490 void ath10k_offchan_tx_work(struct work_struct *work)
3492 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3493 struct ath10k_peer *peer;
3494 struct ath10k_vif *arvif;
3495 enum ath10k_hw_txrx_mode txmode;
3496 enum ath10k_mac_tx_path txpath;
3497 struct ieee80211_hdr *hdr;
3498 struct ieee80211_vif *vif;
3499 struct ieee80211_sta *sta;
3500 struct sk_buff *skb;
3501 const u8 *peer_addr;
3504 unsigned long time_left;
3505 bool tmp_peer_created = false;
3507 /* FW requirement: We must create a peer before FW will send out
3508 * an offchannel frame. Otherwise the frame will be stuck and
3509 * never transmitted. We delete the peer upon tx completion.
3510 * It is unlikely that a peer for offchannel tx will already be
3511 * present. However it may be in some rare cases so account for that.
3512 * Otherwise we might remove a legitimate peer and break stuff. */
3515 skb = skb_dequeue(&ar->offchan_tx_queue);
3519 mutex_lock(&ar->conf_mutex);
3521 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
3524 hdr = (struct ieee80211_hdr *)skb->data;
3525 peer_addr = ieee80211_get_DA(hdr);
3527 spin_lock_bh(&ar->data_lock);
3528 vdev_id = ar->scan.vdev_id;
3529 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3530 spin_unlock_bh(&ar->data_lock);
3533 /* FIXME: should this use ath10k_warn()? */
3534 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
3535 peer_addr, vdev_id);
3538 ret = ath10k_peer_create(ar, NULL, NULL, vdev_id,
3540 WMI_PEER_TYPE_DEFAULT);
3542 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
3543 peer_addr, vdev_id, ret);
3544 tmp_peer_created = (ret == 0);
3547 spin_lock_bh(&ar->data_lock);
3548 reinit_completion(&ar->offchan_tx_completed);
3549 ar->offchan_tx_skb = skb;
3550 spin_unlock_bh(&ar->data_lock);
3552 /* It's safe to access vif and sta - conf_mutex guarantees that
3553 * sta_state() and remove_interface() are locked exclusively
3554 * out wrt to this offchannel worker.
3556 arvif = ath10k_get_arvif(ar, vdev_id);
3559 sta = ieee80211_find_sta(vif, peer_addr);
3565 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3566 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
3568 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb);
3570 ath10k_warn(ar, "failed to transmit offchannel frame: %d\n",
3576 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3578 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
3581 if (!peer && tmp_peer_created) {
3582 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3584 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
3585 peer_addr, vdev_id, ret);
3588 mutex_unlock(&ar->conf_mutex);
3592 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3594 struct sk_buff *skb;
3597 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3601 ieee80211_free_txskb(ar->hw, skb);
3605 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3607 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3608 struct sk_buff *skb;
3612 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3616 ret = ath10k_wmi_mgmt_tx(ar, skb);
3618 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
3620 ieee80211_free_txskb(ar->hw, skb);
3625 static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
3627 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3632 INIT_LIST_HEAD(&artxq->list);
3635 static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
3637 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3638 struct ath10k_skb_cb *cb;
3639 struct sk_buff *msdu;
3645 spin_lock_bh(&ar->txqs_lock);
3646 if (!list_empty(&artxq->list))
3647 list_del_init(&artxq->list);
3648 spin_unlock_bh(&ar->txqs_lock);
3650 spin_lock_bh(&ar->htt.tx_lock);
3651 idr_for_each_entry(&ar->htt.pending_tx, msdu, msdu_id) {
3652 cb = ATH10K_SKB_CB(msdu);
3656 spin_unlock_bh(&ar->htt.tx_lock);
3659 struct ieee80211_txq *ath10k_mac_txq_lookup(struct ath10k *ar,
3663 struct ath10k_peer *peer;
3665 lockdep_assert_held(&ar->data_lock);
3667 peer = ar->peer_map[peer_id];
3672 return peer->sta->txq[tid];
3674 return peer->vif->txq;
3679 static bool ath10k_mac_tx_can_push(struct ieee80211_hw *hw,
3680 struct ieee80211_txq *txq)
3682 struct ath10k *ar = hw->priv;
3683 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3685 /* No need to get locks */
3687 if (ar->htt.tx_q_state.mode == HTT_TX_MODE_SWITCH_PUSH)
3690 if (ar->htt.num_pending_tx < ar->htt.tx_q_state.num_push_allowed)
3693 if (artxq->num_fw_queued < artxq->num_push_allowed)
3699 int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw,
3700 struct ieee80211_txq *txq)
3702 const bool is_mgmt = false;
3703 const bool is_presp = false;
3704 struct ath10k *ar = hw->priv;
3705 struct ath10k_htt *htt = &ar->htt;
3706 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3707 struct ieee80211_vif *vif = txq->vif;
3708 struct ieee80211_sta *sta = txq->sta;
3709 enum ath10k_hw_txrx_mode txmode;
3710 enum ath10k_mac_tx_path txpath;
3711 struct sk_buff *skb;
3715 spin_lock_bh(&ar->htt.tx_lock);
3716 ret = ath10k_htt_tx_inc_pending(htt, is_mgmt, is_presp);
3717 spin_unlock_bh(&ar->htt.tx_lock);
3722 skb = ieee80211_tx_dequeue(hw, txq);
3724 spin_lock_bh(&ar->htt.tx_lock);
3725 ath10k_htt_tx_dec_pending(htt, is_mgmt);
3726 spin_unlock_bh(&ar->htt.tx_lock);
3731 ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb);
3734 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3735 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
3737 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb);
3738 if (unlikely(ret)) {
3739 ath10k_warn(ar, "failed to push frame: %d\n", ret);
3741 spin_lock_bh(&ar->htt.tx_lock);
3742 ath10k_htt_tx_dec_pending(htt, is_mgmt);
3743 spin_unlock_bh(&ar->htt.tx_lock);
3748 spin_lock_bh(&ar->htt.tx_lock);
3749 artxq->num_fw_queued++;
3750 spin_unlock_bh(&ar->htt.tx_lock);
3755 void ath10k_mac_tx_push_pending(struct ath10k *ar)
3757 struct ieee80211_hw *hw = ar->hw;
3758 struct ieee80211_txq *txq;
3759 struct ath10k_txq *artxq;
3760 struct ath10k_txq *last;
3764 spin_lock_bh(&ar->txqs_lock);
3767 last = list_last_entry(&ar->txqs, struct ath10k_txq, list);
3768 while (!list_empty(&ar->txqs)) {
3769 artxq = list_first_entry(&ar->txqs, struct ath10k_txq, list);
3770 txq = container_of((void *)artxq, struct ieee80211_txq,
3773 /* Prevent aggressive sta/tid taking over tx queue */
3776 ret = ath10k_mac_tx_push_txq(hw, txq);
3781 list_del_init(&artxq->list);
3782 ath10k_htt_tx_txq_update(hw, txq);
3784 if (artxq == last || (ret < 0 && ret != -ENOENT)) {
3786 list_add_tail(&artxq->list, &ar->txqs);
3792 spin_unlock_bh(&ar->txqs_lock);
3799 void __ath10k_scan_finish(struct ath10k *ar)
3801 lockdep_assert_held(&ar->data_lock);
3803 switch (ar->scan.state) {
3804 case ATH10K_SCAN_IDLE:
3806 case ATH10K_SCAN_RUNNING:
3807 case ATH10K_SCAN_ABORTING:
3808 if (!ar->scan.is_roc)
3809 ieee80211_scan_completed(ar->hw,
3811 ATH10K_SCAN_ABORTING));
3812 else if (ar->scan.roc_notify)
3813 ieee80211_remain_on_channel_expired(ar->hw);
3815 case ATH10K_SCAN_STARTING:
3816 ar->scan.state = ATH10K_SCAN_IDLE;
3817 ar->scan_channel = NULL;
3818 ar->scan.roc_freq = 0;
3819 ath10k_offchan_tx_purge(ar);
3820 cancel_delayed_work(&ar->scan.timeout);
3821 complete_all(&ar->scan.completed);
3826 void ath10k_scan_finish(struct ath10k *ar)
3828 spin_lock_bh(&ar->data_lock);
3829 __ath10k_scan_finish(ar);
3830 spin_unlock_bh(&ar->data_lock);
3833 static int ath10k_scan_stop(struct ath10k *ar)
3835 struct wmi_stop_scan_arg arg = {
3836 .req_id = 1, /* FIXME */
3837 .req_type = WMI_SCAN_STOP_ONE,
3838 .u.scan_id = ATH10K_SCAN_ID,
3842 lockdep_assert_held(&ar->conf_mutex);
3844 ret = ath10k_wmi_stop_scan(ar, &arg);
3846 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
3850 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
3852 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
3854 } else if (ret > 0) {
3859 /* Scan state should be updated upon scan completion but in case
3860 * firmware fails to deliver the event (for whatever reason) it is
3861 * desired to clean up scan state anyway. Firmware may have just
3862 * dropped the scan completion event delivery due to transport pipe
3863 * being overflown with data and/or it can recover on its own before
3864 * next scan request is submitted.
3866 spin_lock_bh(&ar->data_lock);
3867 if (ar->scan.state != ATH10K_SCAN_IDLE)
3868 __ath10k_scan_finish(ar);
3869 spin_unlock_bh(&ar->data_lock);
3874 static void ath10k_scan_abort(struct ath10k *ar)
3878 lockdep_assert_held(&ar->conf_mutex);
3880 spin_lock_bh(&ar->data_lock);
3882 switch (ar->scan.state) {
3883 case ATH10K_SCAN_IDLE:
3884 /* This can happen if timeout worker kicked in and called
3885 * abortion while scan completion was being processed.
3888 case ATH10K_SCAN_STARTING:
3889 case ATH10K_SCAN_ABORTING:
3890 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
3891 ath10k_scan_state_str(ar->scan.state),
3894 case ATH10K_SCAN_RUNNING:
3895 ar->scan.state = ATH10K_SCAN_ABORTING;
3896 spin_unlock_bh(&ar->data_lock);
3898 ret = ath10k_scan_stop(ar);
3900 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
3902 spin_lock_bh(&ar->data_lock);
3906 spin_unlock_bh(&ar->data_lock);
3909 void ath10k_scan_timeout_work(struct work_struct *work)
3911 struct ath10k *ar = container_of(work, struct ath10k,
3914 mutex_lock(&ar->conf_mutex);
3915 ath10k_scan_abort(ar);
3916 mutex_unlock(&ar->conf_mutex);
3919 static int ath10k_start_scan(struct ath10k *ar,
3920 const struct wmi_start_scan_arg *arg)
3924 lockdep_assert_held(&ar->conf_mutex);
3926 ret = ath10k_wmi_start_scan(ar, arg);
3930 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3932 ret = ath10k_scan_stop(ar);
3934 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
3939 /* If we failed to start the scan, return error code at
3940 * this point. This is probably due to some issue in the
3941 * firmware, but no need to wedge the driver due to that...
3943 spin_lock_bh(&ar->data_lock);
3944 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3945 spin_unlock_bh(&ar->data_lock);
3948 spin_unlock_bh(&ar->data_lock);
3953 /**********************/
3954 /* mac80211 callbacks */
3955 /**********************/
3957 static void ath10k_mac_op_tx(struct ieee80211_hw *hw,
3958 struct ieee80211_tx_control *control,
3959 struct sk_buff *skb)
3961 struct ath10k *ar = hw->priv;
3962 struct ath10k_htt *htt = &ar->htt;
3963 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3964 struct ieee80211_vif *vif = info->control.vif;
3965 struct ieee80211_sta *sta = control->sta;
3966 struct ieee80211_txq *txq = NULL;
3967 struct ieee80211_hdr *hdr = (void *)skb->data;
3968 enum ath10k_hw_txrx_mode txmode;
3969 enum ath10k_mac_tx_path txpath;
3975 ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb);
3977 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3978 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
3979 is_htt = (txpath == ATH10K_MAC_TX_HTT ||
3980 txpath == ATH10K_MAC_TX_HTT_MGMT);
3983 spin_lock_bh(&ar->htt.tx_lock);
3985 is_mgmt = ieee80211_is_mgmt(hdr->frame_control);
3986 is_presp = ieee80211_is_probe_resp(hdr->frame_control);
3988 ret = ath10k_htt_tx_inc_pending(htt, is_mgmt, is_presp);
3990 ath10k_warn(ar, "failed to increase tx pending count: %d, dropping\n",
3992 spin_unlock_bh(&ar->htt.tx_lock);
3993 ieee80211_free_txskb(ar->hw, skb);
3997 spin_unlock_bh(&ar->htt.tx_lock);
4000 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb);
4002 ath10k_warn(ar, "failed to transmit frame: %d\n", ret);
4004 spin_lock_bh(&ar->htt.tx_lock);
4005 ath10k_htt_tx_dec_pending(htt, is_mgmt);
4006 spin_unlock_bh(&ar->htt.tx_lock);
4012 static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw,
4013 struct ieee80211_txq *txq)
4015 struct ath10k *ar = hw->priv;
4016 struct ath10k_txq *artxq = (void *)txq->drv_priv;
4018 if (ath10k_mac_tx_can_push(hw, txq)) {
4019 spin_lock_bh(&ar->txqs_lock);
4020 if (list_empty(&artxq->list))
4021 list_add_tail(&artxq->list, &ar->txqs);
4022 spin_unlock_bh(&ar->txqs_lock);
4024 tasklet_schedule(&ar->htt.txrx_compl_task);
4027 ath10k_htt_tx_txq_update(hw, txq);
4030 /* Must not be called with conf_mutex held as workers can use that also. */
4031 void ath10k_drain_tx(struct ath10k *ar)
4033 /* make sure rcu-protected mac80211 tx path itself is drained */
4036 ath10k_offchan_tx_purge(ar);
4037 ath10k_mgmt_over_wmi_tx_purge(ar);
4039 cancel_work_sync(&ar->offchan_tx_work);
4040 cancel_work_sync(&ar->wmi_mgmt_tx_work);
4043 void ath10k_halt(struct ath10k *ar)
4045 struct ath10k_vif *arvif;
4047 lockdep_assert_held(&ar->conf_mutex);
4049 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
4050 ar->filter_flags = 0;
4051 ar->monitor = false;
4052 ar->monitor_arvif = NULL;
4054 if (ar->monitor_started)
4055 ath10k_monitor_stop(ar);
4057 ar->monitor_started = false;
4060 ath10k_scan_finish(ar);
4061 ath10k_peer_cleanup_all(ar);
4062 ath10k_core_stop(ar);
4063 ath10k_hif_power_down(ar);
4065 spin_lock_bh(&ar->data_lock);
4066 list_for_each_entry(arvif, &ar->arvifs, list)
4067 ath10k_mac_vif_beacon_cleanup(arvif);
4068 spin_unlock_bh(&ar->data_lock);
4071 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
4073 struct ath10k *ar = hw->priv;
4075 mutex_lock(&ar->conf_mutex);
4077 *tx_ant = ar->cfg_tx_chainmask;
4078 *rx_ant = ar->cfg_rx_chainmask;
4080 mutex_unlock(&ar->conf_mutex);
4085 static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
4087 /* It is not clear that allowing gaps in chainmask
4088 * is helpful. Probably it will not do what user
4089 * is hoping for, so warn in that case.
4091 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
4094 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
4098 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
4100 int nsts = ar->vht_cap_info;
4102 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
4103 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
4105 /* If firmware does not deliver to host number of space-time
4106 * streams supported, assume it support up to 4 BF STS and return
4107 * the value for VHT CAP: nsts-1)
4115 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
4117 int sound_dim = ar->vht_cap_info;
4119 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
4120 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
4122 /* If the sounding dimension is not advertised by the firmware,
4123 * let's use a default value of 1
4131 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
4133 struct ieee80211_sta_vht_cap vht_cap = {0};
4138 vht_cap.vht_supported = 1;
4139 vht_cap.cap = ar->vht_cap_info;
4141 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4142 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
4143 val = ath10k_mac_get_vht_cap_bf_sts(ar);
4144 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
4145 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
4150 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4151 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
4152 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4153 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
4154 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
4160 for (i = 0; i < 8; i++) {
4161 if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
4162 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
4164 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
4167 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
4168 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
4173 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
4176 struct ieee80211_sta_ht_cap ht_cap = {0};
4178 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
4181 ht_cap.ht_supported = 1;
4182 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
4183 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
4184 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
4185 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
4187 WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT;
4189 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
4190 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
4192 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
4193 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
4195 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
4198 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
4199 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
4204 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
4205 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
4207 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
4210 stbc = ar->ht_cap_info;
4211 stbc &= WMI_HT_CAP_RX_STBC;
4212 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
4213 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
4214 stbc &= IEEE80211_HT_CAP_RX_STBC;
4219 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
4220 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
4222 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
4223 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
4225 /* max AMSDU is implicitly taken from vht_cap_info */
4226 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
4227 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
4229 for (i = 0; i < ar->num_rf_chains; i++) {
4230 if (ar->cfg_rx_chainmask & BIT(i))
4231 ht_cap.mcs.rx_mask[i] = 0xFF;
4234 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
4239 static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
4241 struct ieee80211_supported_band *band;
4242 struct ieee80211_sta_vht_cap vht_cap;
4243 struct ieee80211_sta_ht_cap ht_cap;
4245 ht_cap = ath10k_get_ht_cap(ar);
4246 vht_cap = ath10k_create_vht_cap(ar);
4248 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
4249 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
4250 band->ht_cap = ht_cap;
4252 /* Enable the VHT support at 2.4 GHz */
4253 band->vht_cap = vht_cap;
4255 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
4256 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
4257 band->ht_cap = ht_cap;
4258 band->vht_cap = vht_cap;
4262 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
4266 lockdep_assert_held(&ar->conf_mutex);
4268 ath10k_check_chain_mask(ar, tx_ant, "tx");
4269 ath10k_check_chain_mask(ar, rx_ant, "rx");
4271 ar->cfg_tx_chainmask = tx_ant;
4272 ar->cfg_rx_chainmask = rx_ant;
4274 if ((ar->state != ATH10K_STATE_ON) &&
4275 (ar->state != ATH10K_STATE_RESTARTED))
4278 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
4281 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
4286 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
4289 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
4294 /* Reload HT/VHT capability */
4295 ath10k_mac_setup_ht_vht_cap(ar);
4300 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
4302 struct ath10k *ar = hw->priv;
4305 mutex_lock(&ar->conf_mutex);
4306 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
4307 mutex_unlock(&ar->conf_mutex);
4311 static int ath10k_start(struct ieee80211_hw *hw)
4313 struct ath10k *ar = hw->priv;
4318 * This makes sense only when restarting hw. It is harmless to call
4319 * uncoditionally. This is necessary to make sure no HTT/WMI tx
4320 * commands will be submitted while restarting.
4322 ath10k_drain_tx(ar);
4324 mutex_lock(&ar->conf_mutex);
4326 switch (ar->state) {
4327 case ATH10K_STATE_OFF:
4328 ar->state = ATH10K_STATE_ON;
4330 case ATH10K_STATE_RESTARTING:
4332 ar->state = ATH10K_STATE_RESTARTED;
4334 case ATH10K_STATE_ON:
4335 case ATH10K_STATE_RESTARTED:
4336 case ATH10K_STATE_WEDGED:
4340 case ATH10K_STATE_UTF:
4345 ret = ath10k_hif_power_up(ar);
4347 ath10k_err(ar, "Could not init hif: %d\n", ret);
4351 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
4353 ath10k_err(ar, "Could not init core: %d\n", ret);
4354 goto err_power_down;
4357 param = ar->wmi.pdev_param->pmf_qos;
4358 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4360 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
4364 param = ar->wmi.pdev_param->dynamic_bw;
4365 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4367 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
4371 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
4372 ret = ath10k_wmi_adaptive_qcs(ar, true);
4374 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
4380 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
4381 param = ar->wmi.pdev_param->burst_enable;
4382 ret = ath10k_wmi_pdev_set_param(ar, param, 0);
4384 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
4389 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
4392 * By default FW set ARP frames ac to voice (6). In that case ARP
4393 * exchange is not working properly for UAPSD enabled AP. ARP requests
4394 * which arrives with access category 0 are processed by network stack
4395 * and send back with access category 0, but FW changes access category
4396 * to 6. Set ARP frames access category to best effort (0) solves
4400 param = ar->wmi.pdev_param->arp_ac_override;
4401 ret = ath10k_wmi_pdev_set_param(ar, param, 0);
4403 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
4408 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA,
4410 ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1,
4411 WMI_CCA_DETECT_LEVEL_AUTO,
4412 WMI_CCA_DETECT_MARGIN_AUTO);
4414 ath10k_warn(ar, "failed to enable adaptive cca: %d\n",
4420 param = ar->wmi.pdev_param->ani_enable;
4421 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4423 ath10k_warn(ar, "failed to enable ani by default: %d\n",
4428 ar->ani_enabled = true;
4430 if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) {
4431 param = ar->wmi.pdev_param->peer_stats_update_period;
4432 ret = ath10k_wmi_pdev_set_param(ar, param,
4433 PEER_DEFAULT_STATS_UPDATE_PERIOD);
4436 "failed to set peer stats period : %d\n",
4442 ar->num_started_vdevs = 0;
4443 ath10k_regd_update(ar);
4445 ath10k_spectral_start(ar);
4446 ath10k_thermal_set_throttling(ar);
4448 mutex_unlock(&ar->conf_mutex);
4452 ath10k_core_stop(ar);
4455 ath10k_hif_power_down(ar);
4458 ar->state = ATH10K_STATE_OFF;
4461 mutex_unlock(&ar->conf_mutex);
4465 static void ath10k_stop(struct ieee80211_hw *hw)
4467 struct ath10k *ar = hw->priv;
4469 ath10k_drain_tx(ar);
4471 mutex_lock(&ar->conf_mutex);
4472 if (ar->state != ATH10K_STATE_OFF) {
4474 ar->state = ATH10K_STATE_OFF;
4476 mutex_unlock(&ar->conf_mutex);
4478 cancel_delayed_work_sync(&ar->scan.timeout);
4479 cancel_work_sync(&ar->restart_work);
4482 static int ath10k_config_ps(struct ath10k *ar)
4484 struct ath10k_vif *arvif;
4487 lockdep_assert_held(&ar->conf_mutex);
4489 list_for_each_entry(arvif, &ar->arvifs, list) {
4490 ret = ath10k_mac_vif_setup_ps(arvif);
4492 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
4500 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
4505 lockdep_assert_held(&ar->conf_mutex);
4507 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
4509 param = ar->wmi.pdev_param->txpower_limit2g;
4510 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4512 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
4517 param = ar->wmi.pdev_param->txpower_limit5g;
4518 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4520 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
4528 static int ath10k_mac_txpower_recalc(struct ath10k *ar)
4530 struct ath10k_vif *arvif;
4531 int ret, txpower = -1;
4533 lockdep_assert_held(&ar->conf_mutex);
4535 list_for_each_entry(arvif, &ar->arvifs, list) {
4536 WARN_ON(arvif->txpower < 0);
4539 txpower = arvif->txpower;
4541 txpower = min(txpower, arvif->txpower);
4544 if (WARN_ON(txpower == -1))
4547 ret = ath10k_mac_txpower_setup(ar, txpower);
4549 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4557 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4559 struct ath10k *ar = hw->priv;
4560 struct ieee80211_conf *conf = &hw->conf;
4563 mutex_lock(&ar->conf_mutex);
4565 if (changed & IEEE80211_CONF_CHANGE_PS)
4566 ath10k_config_ps(ar);
4568 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
4569 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4570 ret = ath10k_monitor_recalc(ar);
4572 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4575 mutex_unlock(&ar->conf_mutex);
4579 static u32 get_nss_from_chainmask(u16 chain_mask)
4581 if ((chain_mask & 0xf) == 0xf)
4583 else if ((chain_mask & 0x7) == 0x7)
4585 else if ((chain_mask & 0x3) == 0x3)
4590 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
4593 struct ath10k *ar = arvif->ar;
4597 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
4600 nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
4601 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4602 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
4603 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
4605 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4606 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4607 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
4608 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
4613 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
4614 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
4616 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
4617 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
4618 WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
4620 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
4621 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
4623 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
4624 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
4625 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
4627 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
4628 ar->wmi.vdev_param->txbf, value);
4633 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4634 * because we will send mgmt frames without CCK. This requirement
4635 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4638 static int ath10k_add_interface(struct ieee80211_hw *hw,
4639 struct ieee80211_vif *vif)
4641 struct ath10k *ar = hw->priv;
4642 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4643 struct ath10k_peer *peer;
4644 enum wmi_sta_powersave_param param;
4651 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4653 mutex_lock(&ar->conf_mutex);
4655 memset(arvif, 0, sizeof(*arvif));
4656 ath10k_mac_txq_init(vif->txq);
4661 INIT_LIST_HEAD(&arvif->list);
4662 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
4663 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4664 ath10k_mac_vif_sta_connection_loss_work);
4666 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4667 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4668 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4669 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4670 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4671 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4674 if (ar->num_peers >= ar->max_num_peers) {
4675 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
4680 if (ar->free_vdev_map == 0) {
4681 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
4685 bit = __ffs64(ar->free_vdev_map);
4687 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4688 bit, ar->free_vdev_map);
4690 arvif->vdev_id = bit;
4691 arvif->vdev_subtype =
4692 ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
4694 switch (vif->type) {
4695 case NL80211_IFTYPE_P2P_DEVICE:
4696 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4697 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4698 (ar, WMI_VDEV_SUBTYPE_P2P_DEVICE);
4700 case NL80211_IFTYPE_UNSPECIFIED:
4701 case NL80211_IFTYPE_STATION:
4702 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4704 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4705 (ar, WMI_VDEV_SUBTYPE_P2P_CLIENT);
4707 case NL80211_IFTYPE_ADHOC:
4708 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4710 case NL80211_IFTYPE_MESH_POINT:
4711 if (test_bit(WMI_SERVICE_MESH_11S, ar->wmi.svc_map)) {
4712 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4713 (ar, WMI_VDEV_SUBTYPE_MESH_11S);
4714 } else if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4716 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
4719 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4721 case NL80211_IFTYPE_AP:
4722 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4725 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4726 (ar, WMI_VDEV_SUBTYPE_P2P_GO);
4728 case NL80211_IFTYPE_MONITOR:
4729 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4736 /* Using vdev_id as queue number will make it very easy to do per-vif
4737 * tx queue locking. This shouldn't wrap due to interface combinations
4738 * but do a modulo for correctness sake and prevent using offchannel tx
4739 * queues for regular vif tx.
4741 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4742 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4743 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4745 /* Some firmware revisions don't wait for beacon tx completion before
4746 * sending another SWBA event. This could lead to hardware using old
4747 * (freed) beacon data in some cases, e.g. tx credit starvation
4748 * combined with missed TBTT. This is very very rare.
4750 * On non-IOMMU-enabled hosts this could be a possible security issue
4751 * because hw could beacon some random data on the air. On
4752 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4753 * device would crash.
4755 * Since there are no beacon tx completions (implicit nor explicit)
4756 * propagated to host the only workaround for this is to allocate a
4757 * DMA-coherent buffer for a lifetime of a vif and use it for all
4758 * beacon tx commands. Worst case for this approach is some beacons may
4759 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4761 if (vif->type == NL80211_IFTYPE_ADHOC ||
4762 vif->type == NL80211_IFTYPE_MESH_POINT ||
4763 vif->type == NL80211_IFTYPE_AP) {
4764 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4765 IEEE80211_MAX_FRAME_LEN,
4766 &arvif->beacon_paddr,
4768 if (!arvif->beacon_buf) {
4770 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4775 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
4776 arvif->nohwcrypt = true;
4778 if (arvif->nohwcrypt &&
4779 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4780 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
4784 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4785 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4786 arvif->beacon_buf ? "single-buf" : "per-skb");
4788 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4789 arvif->vdev_subtype, vif->addr);
4791 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
4792 arvif->vdev_id, ret);
4796 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
4797 list_add(&arvif->list, &ar->arvifs);
4799 /* It makes no sense to have firmware do keepalives. mac80211 already
4800 * takes care of this with idle connection polling.
4802 ret = ath10k_mac_vif_disable_keepalive(arvif);
4804 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
4805 arvif->vdev_id, ret);
4806 goto err_vdev_delete;
4809 arvif->def_wep_key_idx = -1;
4811 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4812 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4813 ATH10K_HW_TXRX_NATIVE_WIFI);
4814 /* 10.X firmware does not support this VDEV parameter. Do not warn */
4815 if (ret && ret != -EOPNOTSUPP) {
4816 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
4817 arvif->vdev_id, ret);
4818 goto err_vdev_delete;
4821 if (ar->cfg_tx_chainmask) {
4822 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4824 vdev_param = ar->wmi.vdev_param->nss;
4825 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4828 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4829 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4831 goto err_vdev_delete;
4835 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4836 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4837 ret = ath10k_peer_create(ar, vif, NULL, arvif->vdev_id,
4838 vif->addr, WMI_PEER_TYPE_DEFAULT);
4840 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
4841 arvif->vdev_id, ret);
4842 goto err_vdev_delete;
4845 spin_lock_bh(&ar->data_lock);
4847 peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr);
4849 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n",
4850 vif->addr, arvif->vdev_id);
4851 spin_unlock_bh(&ar->data_lock);
4853 goto err_peer_delete;
4856 arvif->peer_id = find_first_bit(peer->peer_ids,
4857 ATH10K_MAX_NUM_PEER_IDS);
4859 spin_unlock_bh(&ar->data_lock);
4861 arvif->peer_id = HTT_INVALID_PEERID;
4864 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4865 ret = ath10k_mac_set_kickout(arvif);
4867 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
4868 arvif->vdev_id, ret);
4869 goto err_peer_delete;
4873 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4874 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4875 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4876 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4879 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
4880 arvif->vdev_id, ret);
4881 goto err_peer_delete;
4884 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
4886 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
4887 arvif->vdev_id, ret);
4888 goto err_peer_delete;
4891 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
4893 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
4894 arvif->vdev_id, ret);
4895 goto err_peer_delete;
4899 ret = ath10k_mac_set_txbf_conf(arvif);
4901 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
4902 arvif->vdev_id, ret);
4903 goto err_peer_delete;
4906 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
4908 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
4909 arvif->vdev_id, ret);
4910 goto err_peer_delete;
4913 arvif->txpower = vif->bss_conf.txpower;
4914 ret = ath10k_mac_txpower_recalc(ar);
4916 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4917 goto err_peer_delete;
4920 if (vif->type == NL80211_IFTYPE_MONITOR) {
4921 ar->monitor_arvif = arvif;
4922 ret = ath10k_monitor_recalc(ar);
4924 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4925 goto err_peer_delete;
4929 spin_lock_bh(&ar->htt.tx_lock);
4931 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
4932 spin_unlock_bh(&ar->htt.tx_lock);
4934 mutex_unlock(&ar->conf_mutex);
4938 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4939 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
4940 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4943 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4944 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4945 list_del(&arvif->list);
4948 if (arvif->beacon_buf) {
4949 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4950 arvif->beacon_buf, arvif->beacon_paddr);
4951 arvif->beacon_buf = NULL;
4954 mutex_unlock(&ar->conf_mutex);
4959 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4963 for (i = 0; i < BITS_PER_LONG; i++)
4964 ath10k_mac_vif_tx_unlock(arvif, i);
4967 static void ath10k_remove_interface(struct ieee80211_hw *hw,
4968 struct ieee80211_vif *vif)
4970 struct ath10k *ar = hw->priv;
4971 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4972 struct ath10k_peer *peer;
4976 cancel_work_sync(&arvif->ap_csa_work);
4977 cancel_delayed_work_sync(&arvif->connection_loss_work);
4979 mutex_lock(&ar->conf_mutex);
4981 spin_lock_bh(&ar->data_lock);
4982 ath10k_mac_vif_beacon_cleanup(arvif);
4983 spin_unlock_bh(&ar->data_lock);
4985 ret = ath10k_spectral_vif_stop(arvif);
4987 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
4988 arvif->vdev_id, ret);
4990 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4991 list_del(&arvif->list);
4993 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4994 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4995 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4998 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
4999 arvif->vdev_id, ret);
5001 kfree(arvif->u.ap.noa_data);
5004 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
5007 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
5009 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
5010 arvif->vdev_id, ret);
5012 /* Some firmware revisions don't notify host about self-peer removal
5013 * until after associated vdev is deleted.
5015 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
5016 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
5017 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
5020 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
5021 arvif->vdev_id, ret);
5023 spin_lock_bh(&ar->data_lock);
5025 spin_unlock_bh(&ar->data_lock);
5028 spin_lock_bh(&ar->data_lock);
5029 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
5030 peer = ar->peer_map[i];
5034 if (peer->vif == vif) {
5035 ath10k_warn(ar, "found vif peer %pM entry on vdev %i after it was supposedly removed\n",
5036 vif->addr, arvif->vdev_id);
5040 spin_unlock_bh(&ar->data_lock);
5042 ath10k_peer_cleanup(ar, arvif->vdev_id);
5043 ath10k_mac_txq_unref(ar, vif->txq);
5045 if (vif->type == NL80211_IFTYPE_MONITOR) {
5046 ar->monitor_arvif = NULL;
5047 ret = ath10k_monitor_recalc(ar);
5049 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
5052 spin_lock_bh(&ar->htt.tx_lock);
5053 ath10k_mac_vif_tx_unlock_all(arvif);
5054 spin_unlock_bh(&ar->htt.tx_lock);
5056 ath10k_mac_txq_unref(ar, vif->txq);
5058 mutex_unlock(&ar->conf_mutex);
5062 * FIXME: Has to be verified.
5064 #define SUPPORTED_FILTERS \
5069 FIF_BCN_PRBRESP_PROMISC | \
5073 static void ath10k_configure_filter(struct ieee80211_hw *hw,
5074 unsigned int changed_flags,
5075 unsigned int *total_flags,
5078 struct ath10k *ar = hw->priv;
5081 mutex_lock(&ar->conf_mutex);
5083 changed_flags &= SUPPORTED_FILTERS;
5084 *total_flags &= SUPPORTED_FILTERS;
5085 ar->filter_flags = *total_flags;
5087 ret = ath10k_monitor_recalc(ar);
5089 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
5091 mutex_unlock(&ar->conf_mutex);
5094 static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
5095 struct ieee80211_vif *vif,
5096 struct ieee80211_bss_conf *info,
5099 struct ath10k *ar = hw->priv;
5100 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5102 u32 vdev_param, pdev_param, slottime, preamble;
5104 mutex_lock(&ar->conf_mutex);
5106 if (changed & BSS_CHANGED_IBSS)
5107 ath10k_control_ibss(arvif, info, vif->addr);
5109 if (changed & BSS_CHANGED_BEACON_INT) {
5110 arvif->beacon_interval = info->beacon_int;
5111 vdev_param = ar->wmi.vdev_param->beacon_interval;
5112 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5113 arvif->beacon_interval);
5114 ath10k_dbg(ar, ATH10K_DBG_MAC,
5115 "mac vdev %d beacon_interval %d\n",
5116 arvif->vdev_id, arvif->beacon_interval);
5119 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
5120 arvif->vdev_id, ret);
5123 if (changed & BSS_CHANGED_BEACON) {
5124 ath10k_dbg(ar, ATH10K_DBG_MAC,
5125 "vdev %d set beacon tx mode to staggered\n",
5128 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
5129 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
5130 WMI_BEACON_STAGGERED_MODE);
5132 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
5133 arvif->vdev_id, ret);
5135 ret = ath10k_mac_setup_bcn_tmpl(arvif);
5137 ath10k_warn(ar, "failed to update beacon template: %d\n",
5140 if (ieee80211_vif_is_mesh(vif)) {
5141 /* mesh doesn't use SSID but firmware needs it */
5142 strncpy(arvif->u.ap.ssid, "mesh",
5143 sizeof(arvif->u.ap.ssid));
5144 arvif->u.ap.ssid_len = 4;
5148 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
5149 ret = ath10k_mac_setup_prb_tmpl(arvif);
5151 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
5152 arvif->vdev_id, ret);
5155 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
5156 arvif->dtim_period = info->dtim_period;
5158 ath10k_dbg(ar, ATH10K_DBG_MAC,
5159 "mac vdev %d dtim_period %d\n",
5160 arvif->vdev_id, arvif->dtim_period);
5162 vdev_param = ar->wmi.vdev_param->dtim_period;
5163 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5164 arvif->dtim_period);
5166 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
5167 arvif->vdev_id, ret);
5170 if (changed & BSS_CHANGED_SSID &&
5171 vif->type == NL80211_IFTYPE_AP) {
5172 arvif->u.ap.ssid_len = info->ssid_len;
5174 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
5175 arvif->u.ap.hidden_ssid = info->hidden_ssid;
5178 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
5179 ether_addr_copy(arvif->bssid, info->bssid);
5181 if (changed & BSS_CHANGED_BEACON_ENABLED)
5182 ath10k_control_beaconing(arvif, info);
5184 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
5185 arvif->use_cts_prot = info->use_cts_prot;
5186 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
5187 arvif->vdev_id, info->use_cts_prot);
5189 ret = ath10k_recalc_rtscts_prot(arvif);
5191 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
5192 arvif->vdev_id, ret);
5194 vdev_param = ar->wmi.vdev_param->protection_mode;
5195 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5196 info->use_cts_prot ? 1 : 0);
5198 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
5199 info->use_cts_prot, arvif->vdev_id, ret);
5202 if (changed & BSS_CHANGED_ERP_SLOT) {
5203 if (info->use_short_slot)
5204 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
5207 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
5209 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
5210 arvif->vdev_id, slottime);
5212 vdev_param = ar->wmi.vdev_param->slot_time;
5213 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5216 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
5217 arvif->vdev_id, ret);
5220 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
5221 if (info->use_short_preamble)
5222 preamble = WMI_VDEV_PREAMBLE_SHORT;
5224 preamble = WMI_VDEV_PREAMBLE_LONG;
5226 ath10k_dbg(ar, ATH10K_DBG_MAC,
5227 "mac vdev %d preamble %dn",
5228 arvif->vdev_id, preamble);
5230 vdev_param = ar->wmi.vdev_param->preamble;
5231 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5234 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
5235 arvif->vdev_id, ret);
5238 if (changed & BSS_CHANGED_ASSOC) {
5240 /* Workaround: Make sure monitor vdev is not running
5241 * when associating to prevent some firmware revisions
5242 * (e.g. 10.1 and 10.2) from crashing.
5244 if (ar->monitor_started)
5245 ath10k_monitor_stop(ar);
5246 ath10k_bss_assoc(hw, vif, info);
5247 ath10k_monitor_recalc(ar);
5249 ath10k_bss_disassoc(hw, vif);
5253 if (changed & BSS_CHANGED_TXPOWER) {
5254 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
5255 arvif->vdev_id, info->txpower);
5257 arvif->txpower = info->txpower;
5258 ret = ath10k_mac_txpower_recalc(ar);
5260 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
5263 if (changed & BSS_CHANGED_PS) {
5264 arvif->ps = vif->bss_conf.ps;
5266 ret = ath10k_config_ps(ar);
5268 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
5269 arvif->vdev_id, ret);
5272 mutex_unlock(&ar->conf_mutex);
5275 static int ath10k_hw_scan(struct ieee80211_hw *hw,
5276 struct ieee80211_vif *vif,
5277 struct ieee80211_scan_request *hw_req)
5279 struct ath10k *ar = hw->priv;
5280 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5281 struct cfg80211_scan_request *req = &hw_req->req;
5282 struct wmi_start_scan_arg arg;
5286 mutex_lock(&ar->conf_mutex);
5288 spin_lock_bh(&ar->data_lock);
5289 switch (ar->scan.state) {
5290 case ATH10K_SCAN_IDLE:
5291 reinit_completion(&ar->scan.started);
5292 reinit_completion(&ar->scan.completed);
5293 ar->scan.state = ATH10K_SCAN_STARTING;
5294 ar->scan.is_roc = false;
5295 ar->scan.vdev_id = arvif->vdev_id;
5298 case ATH10K_SCAN_STARTING:
5299 case ATH10K_SCAN_RUNNING:
5300 case ATH10K_SCAN_ABORTING:
5304 spin_unlock_bh(&ar->data_lock);
5309 memset(&arg, 0, sizeof(arg));
5310 ath10k_wmi_start_scan_init(ar, &arg);
5311 arg.vdev_id = arvif->vdev_id;
5312 arg.scan_id = ATH10K_SCAN_ID;
5315 arg.ie_len = req->ie_len;
5316 memcpy(arg.ie, req->ie, arg.ie_len);
5320 arg.n_ssids = req->n_ssids;
5321 for (i = 0; i < arg.n_ssids; i++) {
5322 arg.ssids[i].len = req->ssids[i].ssid_len;
5323 arg.ssids[i].ssid = req->ssids[i].ssid;
5326 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5329 if (req->n_channels) {
5330 arg.n_channels = req->n_channels;
5331 for (i = 0; i < arg.n_channels; i++)
5332 arg.channels[i] = req->channels[i]->center_freq;
5335 ret = ath10k_start_scan(ar, &arg);
5337 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
5338 spin_lock_bh(&ar->data_lock);
5339 ar->scan.state = ATH10K_SCAN_IDLE;
5340 spin_unlock_bh(&ar->data_lock);
5343 /* Add a 200ms margin to account for event/command processing */
5344 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5345 msecs_to_jiffies(arg.max_scan_time +
5349 mutex_unlock(&ar->conf_mutex);
5353 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
5354 struct ieee80211_vif *vif)
5356 struct ath10k *ar = hw->priv;
5358 mutex_lock(&ar->conf_mutex);
5359 ath10k_scan_abort(ar);
5360 mutex_unlock(&ar->conf_mutex);
5362 cancel_delayed_work_sync(&ar->scan.timeout);
5365 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
5366 struct ath10k_vif *arvif,
5367 enum set_key_cmd cmd,
5368 struct ieee80211_key_conf *key)
5370 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
5373 /* 10.1 firmware branch requires default key index to be set to group
5374 * key index after installing it. Otherwise FW/HW Txes corrupted
5375 * frames with multi-vif APs. This is not required for main firmware
5376 * branch (e.g. 636).
5378 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
5380 * FIXME: It remains unknown if this is required for multi-vif STA
5381 * interfaces on 10.1.
5384 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
5385 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
5388 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
5391 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
5394 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5400 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5403 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
5404 arvif->vdev_id, ret);
5407 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
5408 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
5409 struct ieee80211_key_conf *key)
5411 struct ath10k *ar = hw->priv;
5412 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5413 struct ath10k_peer *peer;
5414 const u8 *peer_addr;
5415 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
5416 key->cipher == WLAN_CIPHER_SUITE_WEP104;
5422 /* this one needs to be done in software */
5423 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
5426 if (arvif->nohwcrypt)
5429 if (key->keyidx > WMI_MAX_KEY_INDEX)
5432 mutex_lock(&ar->conf_mutex);
5435 peer_addr = sta->addr;
5436 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
5437 peer_addr = vif->bss_conf.bssid;
5439 peer_addr = vif->addr;
5441 key->hw_key_idx = key->keyidx;
5445 arvif->wep_keys[key->keyidx] = key;
5447 arvif->wep_keys[key->keyidx] = NULL;
5450 /* the peer should not disappear in mid-way (unless FW goes awry) since
5451 * we already hold conf_mutex. we just make sure its there now. */
5452 spin_lock_bh(&ar->data_lock);
5453 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5454 spin_unlock_bh(&ar->data_lock);
5457 if (cmd == SET_KEY) {
5458 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5463 /* if the peer doesn't exist there is no key to disable
5469 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5470 flags |= WMI_KEY_PAIRWISE;
5472 flags |= WMI_KEY_GROUP;
5475 if (cmd == DISABLE_KEY)
5476 ath10k_clear_vdev_key(arvif, key);
5478 /* When WEP keys are uploaded it's possible that there are
5479 * stations associated already (e.g. when merging) without any
5480 * keys. Static WEP needs an explicit per-peer key upload.
5482 if (vif->type == NL80211_IFTYPE_ADHOC &&
5484 ath10k_mac_vif_update_wep_key(arvif, key);
5486 /* 802.1x never sets the def_wep_key_idx so each set_key()
5487 * call changes default tx key.
5489 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
5490 * after first set_key().
5492 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
5493 flags |= WMI_KEY_TX_USAGE;
5496 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5499 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
5500 arvif->vdev_id, peer_addr, ret);
5504 /* mac80211 sets static WEP keys as groupwise while firmware requires
5505 * them to be installed twice as both pairwise and groupwise.
5507 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
5509 flags2 &= ~WMI_KEY_GROUP;
5510 flags2 |= WMI_KEY_PAIRWISE;
5512 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
5515 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
5516 arvif->vdev_id, peer_addr, ret);
5517 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
5521 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
5522 arvif->vdev_id, peer_addr, ret2);
5528 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
5530 spin_lock_bh(&ar->data_lock);
5531 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5532 if (peer && cmd == SET_KEY)
5533 peer->keys[key->keyidx] = key;
5534 else if (peer && cmd == DISABLE_KEY)
5535 peer->keys[key->keyidx] = NULL;
5536 else if (peer == NULL)
5537 /* impossible unless FW goes crazy */
5538 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5539 spin_unlock_bh(&ar->data_lock);
5542 mutex_unlock(&ar->conf_mutex);
5546 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
5547 struct ieee80211_vif *vif,
5550 struct ath10k *ar = hw->priv;
5551 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5554 mutex_lock(&arvif->ar->conf_mutex);
5556 if (arvif->ar->state != ATH10K_STATE_ON)
5559 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
5560 arvif->vdev_id, keyidx);
5562 ret = ath10k_wmi_vdev_set_param(arvif->ar,
5564 arvif->ar->wmi.vdev_param->def_keyid,
5568 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
5574 arvif->def_wep_key_idx = keyidx;
5577 mutex_unlock(&arvif->ar->conf_mutex);
5580 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
5583 struct ath10k_vif *arvif;
5584 struct ath10k_sta *arsta;
5585 struct ieee80211_sta *sta;
5586 struct cfg80211_chan_def def;
5587 enum ieee80211_band band;
5588 const u8 *ht_mcs_mask;
5589 const u16 *vht_mcs_mask;
5590 u32 changed, bw, nss, smps;
5593 arsta = container_of(wk, struct ath10k_sta, update_wk);
5594 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
5595 arvif = arsta->arvif;
5598 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
5601 band = def.chan->band;
5602 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
5603 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
5605 spin_lock_bh(&ar->data_lock);
5607 changed = arsta->changed;
5614 spin_unlock_bh(&ar->data_lock);
5616 mutex_lock(&ar->conf_mutex);
5618 nss = max_t(u32, 1, nss);
5619 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5620 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5622 if (changed & IEEE80211_RC_BW_CHANGED) {
5623 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
5626 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5627 WMI_PEER_CHAN_WIDTH, bw);
5629 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
5630 sta->addr, bw, err);
5633 if (changed & IEEE80211_RC_NSS_CHANGED) {
5634 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
5637 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5640 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
5641 sta->addr, nss, err);
5644 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5645 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
5648 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5649 WMI_PEER_SMPS_STATE, smps);
5651 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
5652 sta->addr, smps, err);
5655 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
5656 changed & IEEE80211_RC_NSS_CHANGED) {
5657 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
5660 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
5662 ath10k_warn(ar, "failed to reassociate station: %pM\n",
5666 mutex_unlock(&ar->conf_mutex);
5669 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
5670 struct ieee80211_sta *sta)
5672 struct ath10k *ar = arvif->ar;
5674 lockdep_assert_held(&ar->conf_mutex);
5676 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5679 if (ar->num_stations >= ar->max_num_stations)
5687 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5688 struct ieee80211_sta *sta)
5690 struct ath10k *ar = arvif->ar;
5692 lockdep_assert_held(&ar->conf_mutex);
5694 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5700 struct ath10k_mac_tdls_iter_data {
5701 u32 num_tdls_stations;
5702 struct ieee80211_vif *curr_vif;
5705 static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5706 struct ieee80211_sta *sta)
5708 struct ath10k_mac_tdls_iter_data *iter_data = data;
5709 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5710 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5712 if (sta->tdls && sta_vif == iter_data->curr_vif)
5713 iter_data->num_tdls_stations++;
5716 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5717 struct ieee80211_vif *vif)
5719 struct ath10k_mac_tdls_iter_data data = {};
5721 data.curr_vif = vif;
5723 ieee80211_iterate_stations_atomic(hw,
5724 ath10k_mac_tdls_vif_stations_count_iter,
5726 return data.num_tdls_stations;
5729 static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5730 struct ieee80211_vif *vif)
5732 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5733 int *num_tdls_vifs = data;
5735 if (vif->type != NL80211_IFTYPE_STATION)
5738 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5742 static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5744 int num_tdls_vifs = 0;
5746 ieee80211_iterate_active_interfaces_atomic(hw,
5747 IEEE80211_IFACE_ITER_NORMAL,
5748 ath10k_mac_tdls_vifs_count_iter,
5750 return num_tdls_vifs;
5753 static int ath10k_sta_state(struct ieee80211_hw *hw,
5754 struct ieee80211_vif *vif,
5755 struct ieee80211_sta *sta,
5756 enum ieee80211_sta_state old_state,
5757 enum ieee80211_sta_state new_state)
5759 struct ath10k *ar = hw->priv;
5760 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5761 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5762 struct ath10k_peer *peer;
5766 if (old_state == IEEE80211_STA_NOTEXIST &&
5767 new_state == IEEE80211_STA_NONE) {
5768 memset(arsta, 0, sizeof(*arsta));
5769 arsta->arvif = arvif;
5770 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5772 for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
5773 ath10k_mac_txq_init(sta->txq[i]);
5776 /* cancel must be done outside the mutex to avoid deadlock */
5777 if ((old_state == IEEE80211_STA_NONE &&
5778 new_state == IEEE80211_STA_NOTEXIST))
5779 cancel_work_sync(&arsta->update_wk);
5781 mutex_lock(&ar->conf_mutex);
5783 if (old_state == IEEE80211_STA_NOTEXIST &&
5784 new_state == IEEE80211_STA_NONE) {
5786 * New station addition.
5788 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5789 u32 num_tdls_stations;
5792 ath10k_dbg(ar, ATH10K_DBG_MAC,
5793 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5794 arvif->vdev_id, sta->addr,
5795 ar->num_stations + 1, ar->max_num_stations,
5796 ar->num_peers + 1, ar->max_num_peers);
5798 ret = ath10k_mac_inc_num_stations(arvif, sta);
5800 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5801 ar->max_num_stations);
5806 peer_type = WMI_PEER_TYPE_TDLS;
5808 ret = ath10k_peer_create(ar, vif, sta, arvif->vdev_id,
5809 sta->addr, peer_type);
5811 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
5812 sta->addr, arvif->vdev_id, ret);
5813 ath10k_mac_dec_num_stations(arvif, sta);
5817 spin_lock_bh(&ar->data_lock);
5819 peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr);
5821 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n",
5822 vif->addr, arvif->vdev_id);
5823 spin_unlock_bh(&ar->data_lock);
5824 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5825 ath10k_mac_dec_num_stations(arvif, sta);
5830 arsta->peer_id = find_first_bit(peer->peer_ids,
5831 ATH10K_MAX_NUM_PEER_IDS);
5833 spin_unlock_bh(&ar->data_lock);
5838 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5839 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5841 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5842 num_tdls_stations == 0) {
5843 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5844 arvif->vdev_id, ar->max_num_tdls_vdevs);
5845 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5846 ath10k_mac_dec_num_stations(arvif, sta);
5851 if (num_tdls_stations == 0) {
5852 /* This is the first tdls peer in current vif */
5853 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
5855 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5858 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5859 arvif->vdev_id, ret);
5860 ath10k_peer_delete(ar, arvif->vdev_id,
5862 ath10k_mac_dec_num_stations(arvif, sta);
5867 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5868 WMI_TDLS_PEER_STATE_PEERING);
5871 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5872 sta->addr, arvif->vdev_id, ret);
5873 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5874 ath10k_mac_dec_num_stations(arvif, sta);
5876 if (num_tdls_stations != 0)
5878 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5881 } else if ((old_state == IEEE80211_STA_NONE &&
5882 new_state == IEEE80211_STA_NOTEXIST)) {
5884 * Existing station deletion.
5886 ath10k_dbg(ar, ATH10K_DBG_MAC,
5887 "mac vdev %d peer delete %pM (sta gone)\n",
5888 arvif->vdev_id, sta->addr);
5890 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5892 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
5893 sta->addr, arvif->vdev_id, ret);
5895 ath10k_mac_dec_num_stations(arvif, sta);
5897 spin_lock_bh(&ar->data_lock);
5898 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
5899 peer = ar->peer_map[i];
5903 if (peer->sta == sta) {
5904 ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n",
5905 sta->addr, arvif->vdev_id);
5909 spin_unlock_bh(&ar->data_lock);
5911 for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
5912 ath10k_mac_txq_unref(ar, sta->txq[i]);
5917 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5920 /* This was the last tdls peer in current vif */
5921 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5924 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5925 arvif->vdev_id, ret);
5927 } else if (old_state == IEEE80211_STA_AUTH &&
5928 new_state == IEEE80211_STA_ASSOC &&
5929 (vif->type == NL80211_IFTYPE_AP ||
5930 vif->type == NL80211_IFTYPE_MESH_POINT ||
5931 vif->type == NL80211_IFTYPE_ADHOC)) {
5935 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
5938 ret = ath10k_station_assoc(ar, vif, sta, false);
5940 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
5941 sta->addr, arvif->vdev_id, ret);
5942 } else if (old_state == IEEE80211_STA_ASSOC &&
5943 new_state == IEEE80211_STA_AUTHORIZED &&
5946 * Tdls station authorized.
5948 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5951 ret = ath10k_station_assoc(ar, vif, sta, false);
5953 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5954 sta->addr, arvif->vdev_id, ret);
5958 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5959 WMI_TDLS_PEER_STATE_CONNECTED);
5961 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5962 sta->addr, arvif->vdev_id, ret);
5963 } else if (old_state == IEEE80211_STA_ASSOC &&
5964 new_state == IEEE80211_STA_AUTH &&
5965 (vif->type == NL80211_IFTYPE_AP ||
5966 vif->type == NL80211_IFTYPE_MESH_POINT ||
5967 vif->type == NL80211_IFTYPE_ADHOC)) {
5971 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
5974 ret = ath10k_station_disassoc(ar, vif, sta);
5976 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
5977 sta->addr, arvif->vdev_id, ret);
5980 mutex_unlock(&ar->conf_mutex);
5984 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5985 u16 ac, bool enable)
5987 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5988 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5989 u32 prio = 0, acc = 0;
5993 lockdep_assert_held(&ar->conf_mutex);
5995 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5999 case IEEE80211_AC_VO:
6000 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
6001 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
6005 case IEEE80211_AC_VI:
6006 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
6007 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
6011 case IEEE80211_AC_BE:
6012 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
6013 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
6017 case IEEE80211_AC_BK:
6018 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
6019 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
6026 arvif->u.sta.uapsd |= value;
6028 arvif->u.sta.uapsd &= ~value;
6030 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
6031 WMI_STA_PS_PARAM_UAPSD,
6032 arvif->u.sta.uapsd);
6034 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
6038 if (arvif->u.sta.uapsd)
6039 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
6041 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
6043 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
6044 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
6047 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
6049 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
6051 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
6052 arvif->vdev_id, ret);
6056 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
6058 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
6059 arvif->vdev_id, ret);
6063 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
6064 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
6065 /* Only userspace can make an educated decision when to send
6066 * trigger frame. The following effectively disables u-UAPSD
6067 * autotrigger in firmware (which is enabled by default
6068 * provided the autotrigger service is available).
6072 arg.user_priority = prio;
6073 arg.service_interval = 0;
6074 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
6075 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
6077 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
6078 arvif->bssid, &arg, 1);
6080 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
6090 static int ath10k_conf_tx(struct ieee80211_hw *hw,
6091 struct ieee80211_vif *vif, u16 ac,
6092 const struct ieee80211_tx_queue_params *params)
6094 struct ath10k *ar = hw->priv;
6095 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6096 struct wmi_wmm_params_arg *p = NULL;
6099 mutex_lock(&ar->conf_mutex);
6102 case IEEE80211_AC_VO:
6103 p = &arvif->wmm_params.ac_vo;
6105 case IEEE80211_AC_VI:
6106 p = &arvif->wmm_params.ac_vi;
6108 case IEEE80211_AC_BE:
6109 p = &arvif->wmm_params.ac_be;
6111 case IEEE80211_AC_BK:
6112 p = &arvif->wmm_params.ac_bk;
6121 p->cwmin = params->cw_min;
6122 p->cwmax = params->cw_max;
6123 p->aifs = params->aifs;
6126 * The channel time duration programmed in the HW is in absolute
6127 * microseconds, while mac80211 gives the txop in units of
6130 p->txop = params->txop * 32;
6132 if (ar->wmi.ops->gen_vdev_wmm_conf) {
6133 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
6134 &arvif->wmm_params);
6136 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
6137 arvif->vdev_id, ret);
6141 /* This won't work well with multi-interface cases but it's
6142 * better than nothing.
6144 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
6146 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
6151 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
6153 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
6156 mutex_unlock(&ar->conf_mutex);
6160 #define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
6162 static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
6163 struct ieee80211_vif *vif,
6164 struct ieee80211_channel *chan,
6166 enum ieee80211_roc_type type)
6168 struct ath10k *ar = hw->priv;
6169 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6170 struct wmi_start_scan_arg arg;
6174 mutex_lock(&ar->conf_mutex);
6176 spin_lock_bh(&ar->data_lock);
6177 switch (ar->scan.state) {
6178 case ATH10K_SCAN_IDLE:
6179 reinit_completion(&ar->scan.started);
6180 reinit_completion(&ar->scan.completed);
6181 reinit_completion(&ar->scan.on_channel);
6182 ar->scan.state = ATH10K_SCAN_STARTING;
6183 ar->scan.is_roc = true;
6184 ar->scan.vdev_id = arvif->vdev_id;
6185 ar->scan.roc_freq = chan->center_freq;
6186 ar->scan.roc_notify = true;
6189 case ATH10K_SCAN_STARTING:
6190 case ATH10K_SCAN_RUNNING:
6191 case ATH10K_SCAN_ABORTING:
6195 spin_unlock_bh(&ar->data_lock);
6200 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
6202 memset(&arg, 0, sizeof(arg));
6203 ath10k_wmi_start_scan_init(ar, &arg);
6204 arg.vdev_id = arvif->vdev_id;
6205 arg.scan_id = ATH10K_SCAN_ID;
6207 arg.channels[0] = chan->center_freq;
6208 arg.dwell_time_active = scan_time_msec;
6209 arg.dwell_time_passive = scan_time_msec;
6210 arg.max_scan_time = scan_time_msec;
6211 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
6212 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
6213 arg.burst_duration_ms = duration;
6215 ret = ath10k_start_scan(ar, &arg);
6217 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
6218 spin_lock_bh(&ar->data_lock);
6219 ar->scan.state = ATH10K_SCAN_IDLE;
6220 spin_unlock_bh(&ar->data_lock);
6224 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
6226 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
6228 ret = ath10k_scan_stop(ar);
6230 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
6236 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
6237 msecs_to_jiffies(duration));
6241 mutex_unlock(&ar->conf_mutex);
6245 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
6247 struct ath10k *ar = hw->priv;
6249 mutex_lock(&ar->conf_mutex);
6251 spin_lock_bh(&ar->data_lock);
6252 ar->scan.roc_notify = false;
6253 spin_unlock_bh(&ar->data_lock);
6255 ath10k_scan_abort(ar);
6257 mutex_unlock(&ar->conf_mutex);
6259 cancel_delayed_work_sync(&ar->scan.timeout);
6265 * Both RTS and Fragmentation threshold are interface-specific
6266 * in ath10k, but device-specific in mac80211.
6269 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
6271 struct ath10k *ar = hw->priv;
6272 struct ath10k_vif *arvif;
6275 mutex_lock(&ar->conf_mutex);
6276 list_for_each_entry(arvif, &ar->arvifs, list) {
6277 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
6278 arvif->vdev_id, value);
6280 ret = ath10k_mac_set_rts(arvif, value);
6282 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
6283 arvif->vdev_id, ret);
6287 mutex_unlock(&ar->conf_mutex);
6292 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
6294 /* Even though there's a WMI enum for fragmentation threshold no known
6295 * firmware actually implements it. Moreover it is not possible to rely
6296 * frame fragmentation to mac80211 because firmware clears the "more
6297 * fragments" bit in frame control making it impossible for remote
6298 * devices to reassemble frames.
6300 * Hence implement a dummy callback just to say fragmentation isn't
6301 * supported. This effectively prevents mac80211 from doing frame
6302 * fragmentation in software.
6307 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6308 u32 queues, bool drop)
6310 struct ath10k *ar = hw->priv;
6314 /* mac80211 doesn't care if we really xmit queued frames or not
6315 * we'll collect those frames either way if we stop/delete vdevs */
6319 mutex_lock(&ar->conf_mutex);
6321 if (ar->state == ATH10K_STATE_WEDGED)
6324 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
6327 spin_lock_bh(&ar->htt.tx_lock);
6328 empty = (ar->htt.num_pending_tx == 0);
6329 spin_unlock_bh(&ar->htt.tx_lock);
6331 skip = (ar->state == ATH10K_STATE_WEDGED) ||
6332 test_bit(ATH10K_FLAG_CRASH_FLUSH,
6336 }), ATH10K_FLUSH_TIMEOUT_HZ);
6338 if (time_left == 0 || skip)
6339 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
6340 skip, ar->state, time_left);
6343 mutex_unlock(&ar->conf_mutex);
6346 /* TODO: Implement this function properly
6347 * For now it is needed to reply to Probe Requests in IBSS mode.
6348 * Propably we need this information from FW.
6350 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
6355 static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
6356 enum ieee80211_reconfig_type reconfig_type)
6358 struct ath10k *ar = hw->priv;
6360 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
6363 mutex_lock(&ar->conf_mutex);
6365 /* If device failed to restart it will be in a different state, e.g.
6366 * ATH10K_STATE_WEDGED */
6367 if (ar->state == ATH10K_STATE_RESTARTED) {
6368 ath10k_info(ar, "device successfully recovered\n");
6369 ar->state = ATH10K_STATE_ON;
6370 ieee80211_wake_queues(ar->hw);
6373 mutex_unlock(&ar->conf_mutex);
6376 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
6377 struct survey_info *survey)
6379 struct ath10k *ar = hw->priv;
6380 struct ieee80211_supported_band *sband;
6381 struct survey_info *ar_survey = &ar->survey[idx];
6384 mutex_lock(&ar->conf_mutex);
6386 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
6387 if (sband && idx >= sband->n_channels) {
6388 idx -= sband->n_channels;
6393 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
6395 if (!sband || idx >= sband->n_channels) {
6400 spin_lock_bh(&ar->data_lock);
6401 memcpy(survey, ar_survey, sizeof(*survey));
6402 spin_unlock_bh(&ar->data_lock);
6404 survey->channel = &sband->channels[idx];
6406 if (ar->rx_channel == survey->channel)
6407 survey->filled |= SURVEY_INFO_IN_USE;
6410 mutex_unlock(&ar->conf_mutex);
6415 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
6416 enum ieee80211_band band,
6417 const struct cfg80211_bitrate_mask *mask)
6422 num_rates += hweight32(mask->control[band].legacy);
6424 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
6425 num_rates += hweight8(mask->control[band].ht_mcs[i]);
6427 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
6428 num_rates += hweight16(mask->control[band].vht_mcs[i]);
6430 return num_rates == 1;
6434 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
6435 enum ieee80211_band band,
6436 const struct cfg80211_bitrate_mask *mask,
6439 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6440 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
6442 u8 vht_nss_mask = 0;
6445 if (mask->control[band].legacy)
6448 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6449 if (mask->control[band].ht_mcs[i] == 0)
6451 else if (mask->control[band].ht_mcs[i] ==
6452 sband->ht_cap.mcs.rx_mask[i])
6453 ht_nss_mask |= BIT(i);
6458 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6459 if (mask->control[band].vht_mcs[i] == 0)
6461 else if (mask->control[band].vht_mcs[i] ==
6462 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
6463 vht_nss_mask |= BIT(i);
6468 if (ht_nss_mask != vht_nss_mask)
6471 if (ht_nss_mask == 0)
6474 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
6477 *nss = fls(ht_nss_mask);
6483 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
6484 enum ieee80211_band band,
6485 const struct cfg80211_bitrate_mask *mask,
6488 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6495 if (hweight32(mask->control[band].legacy) == 1) {
6496 rate_idx = ffs(mask->control[band].legacy) - 1;
6498 hw_rate = sband->bitrates[rate_idx].hw_value;
6499 bitrate = sband->bitrates[rate_idx].bitrate;
6501 if (ath10k_mac_bitrate_is_cck(bitrate))
6502 preamble = WMI_RATE_PREAMBLE_CCK;
6504 preamble = WMI_RATE_PREAMBLE_OFDM;
6507 *rate = preamble << 6 |
6514 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6515 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
6517 *rate = WMI_RATE_PREAMBLE_HT << 6 |
6519 (ffs(mask->control[band].ht_mcs[i]) - 1);
6525 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6526 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
6528 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
6530 (ffs(mask->control[band].vht_mcs[i]) - 1);
6539 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
6540 u8 rate, u8 nss, u8 sgi, u8 ldpc)
6542 struct ath10k *ar = arvif->ar;
6546 lockdep_assert_held(&ar->conf_mutex);
6548 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
6549 arvif->vdev_id, rate, nss, sgi);
6551 vdev_param = ar->wmi.vdev_param->fixed_rate;
6552 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
6554 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
6559 vdev_param = ar->wmi.vdev_param->nss;
6560 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
6562 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
6566 vdev_param = ar->wmi.vdev_param->sgi;
6567 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
6569 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
6573 vdev_param = ar->wmi.vdev_param->ldpc;
6574 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
6576 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
6584 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
6585 enum ieee80211_band band,
6586 const struct cfg80211_bitrate_mask *mask)
6591 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
6592 * to express all VHT MCS rate masks. Effectively only the following
6593 * ranges can be used: none, 0-7, 0-8 and 0-9.
6595 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
6596 vht_mcs = mask->control[band].vht_mcs[i];
6605 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
6613 static void ath10k_mac_set_bitrate_mask_iter(void *data,
6614 struct ieee80211_sta *sta)
6616 struct ath10k_vif *arvif = data;
6617 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6618 struct ath10k *ar = arvif->ar;
6620 if (arsta->arvif != arvif)
6623 spin_lock_bh(&ar->data_lock);
6624 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
6625 spin_unlock_bh(&ar->data_lock);
6627 ieee80211_queue_work(ar->hw, &arsta->update_wk);
6630 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
6631 struct ieee80211_vif *vif,
6632 const struct cfg80211_bitrate_mask *mask)
6634 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6635 struct cfg80211_chan_def def;
6636 struct ath10k *ar = arvif->ar;
6637 enum ieee80211_band band;
6638 const u8 *ht_mcs_mask;
6639 const u16 *vht_mcs_mask;
6647 if (ath10k_mac_vif_chan(vif, &def))
6650 band = def.chan->band;
6651 ht_mcs_mask = mask->control[band].ht_mcs;
6652 vht_mcs_mask = mask->control[band].vht_mcs;
6653 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
6655 sgi = mask->control[band].gi;
6656 if (sgi == NL80211_TXRATE_FORCE_LGI)
6659 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
6660 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
6663 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
6664 arvif->vdev_id, ret);
6667 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
6669 rate = WMI_FIXED_RATE_NONE;
6672 rate = WMI_FIXED_RATE_NONE;
6673 nss = min(ar->num_rf_chains,
6674 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
6675 ath10k_mac_max_vht_nss(vht_mcs_mask)));
6677 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
6680 mutex_lock(&ar->conf_mutex);
6682 arvif->bitrate_mask = *mask;
6683 ieee80211_iterate_stations_atomic(ar->hw,
6684 ath10k_mac_set_bitrate_mask_iter,
6687 mutex_unlock(&ar->conf_mutex);
6690 mutex_lock(&ar->conf_mutex);
6692 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6694 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
6695 arvif->vdev_id, ret);
6700 mutex_unlock(&ar->conf_mutex);
6705 static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
6706 struct ieee80211_vif *vif,
6707 struct ieee80211_sta *sta,
6710 struct ath10k *ar = hw->priv;
6711 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6714 spin_lock_bh(&ar->data_lock);
6716 ath10k_dbg(ar, ATH10K_DBG_MAC,
6717 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
6718 sta->addr, changed, sta->bandwidth, sta->rx_nss,
6721 if (changed & IEEE80211_RC_BW_CHANGED) {
6722 bw = WMI_PEER_CHWIDTH_20MHZ;
6724 switch (sta->bandwidth) {
6725 case IEEE80211_STA_RX_BW_20:
6726 bw = WMI_PEER_CHWIDTH_20MHZ;
6728 case IEEE80211_STA_RX_BW_40:
6729 bw = WMI_PEER_CHWIDTH_40MHZ;
6731 case IEEE80211_STA_RX_BW_80:
6732 bw = WMI_PEER_CHWIDTH_80MHZ;
6734 case IEEE80211_STA_RX_BW_160:
6735 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
6736 sta->bandwidth, sta->addr);
6737 bw = WMI_PEER_CHWIDTH_20MHZ;
6744 if (changed & IEEE80211_RC_NSS_CHANGED)
6745 arsta->nss = sta->rx_nss;
6747 if (changed & IEEE80211_RC_SMPS_CHANGED) {
6748 smps = WMI_PEER_SMPS_PS_NONE;
6750 switch (sta->smps_mode) {
6751 case IEEE80211_SMPS_AUTOMATIC:
6752 case IEEE80211_SMPS_OFF:
6753 smps = WMI_PEER_SMPS_PS_NONE;
6755 case IEEE80211_SMPS_STATIC:
6756 smps = WMI_PEER_SMPS_STATIC;
6758 case IEEE80211_SMPS_DYNAMIC:
6759 smps = WMI_PEER_SMPS_DYNAMIC;
6761 case IEEE80211_SMPS_NUM_MODES:
6762 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
6763 sta->smps_mode, sta->addr);
6764 smps = WMI_PEER_SMPS_PS_NONE;
6771 arsta->changed |= changed;
6773 spin_unlock_bh(&ar->data_lock);
6775 ieee80211_queue_work(hw, &arsta->update_wk);
6778 static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6781 * FIXME: Return 0 for time being. Need to figure out whether FW
6782 * has the API to fetch 64-bit local TSF
6788 static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6789 struct ieee80211_vif *vif,
6790 struct ieee80211_ampdu_params *params)
6792 struct ath10k *ar = hw->priv;
6793 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6794 struct ieee80211_sta *sta = params->sta;
6795 enum ieee80211_ampdu_mlme_action action = params->action;
6796 u16 tid = params->tid;
6798 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
6799 arvif->vdev_id, sta->addr, tid, action);
6802 case IEEE80211_AMPDU_RX_START:
6803 case IEEE80211_AMPDU_RX_STOP:
6804 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6805 * creation/removal. Do we need to verify this?
6808 case IEEE80211_AMPDU_TX_START:
6809 case IEEE80211_AMPDU_TX_STOP_CONT:
6810 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6811 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6812 case IEEE80211_AMPDU_TX_OPERATIONAL:
6813 /* Firmware offloads Tx aggregation entirely so deny mac80211
6814 * Tx aggregation requests.
6823 ath10k_mac_update_rx_channel(struct ath10k *ar,
6824 struct ieee80211_chanctx_conf *ctx,
6825 struct ieee80211_vif_chanctx_switch *vifs,
6828 struct cfg80211_chan_def *def = NULL;
6830 /* Both locks are required because ar->rx_channel is modified. This
6831 * allows readers to hold either lock.
6833 lockdep_assert_held(&ar->conf_mutex);
6834 lockdep_assert_held(&ar->data_lock);
6836 WARN_ON(ctx && vifs);
6837 WARN_ON(vifs && n_vifs != 1);
6839 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6840 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6841 * ppdu on Rx may reduce performance on low-end systems. It should be
6842 * possible to make tables/hashmaps to speed the lookup up (be vary of
6843 * cpu data cache lines though regarding sizes) but to keep the initial
6844 * implementation simple and less intrusive fallback to the slow lookup
6845 * only for multi-channel cases. Single-channel cases will remain to
6846 * use the old channel derival and thus performance should not be
6850 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
6851 ieee80211_iter_chan_contexts_atomic(ar->hw,
6852 ath10k_mac_get_any_chandef_iter,
6856 def = &vifs[0].new_ctx->def;
6858 ar->rx_channel = def->chan;
6859 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6860 ar->rx_channel = ctx->def.chan;
6862 ar->rx_channel = NULL;
6868 ath10k_mac_update_vif_chan(struct ath10k *ar,
6869 struct ieee80211_vif_chanctx_switch *vifs,
6872 struct ath10k_vif *arvif;
6876 lockdep_assert_held(&ar->conf_mutex);
6878 /* First stop monitor interface. Some FW versions crash if there's a
6879 * lone monitor interface.
6881 if (ar->monitor_started)
6882 ath10k_monitor_stop(ar);
6884 for (i = 0; i < n_vifs; i++) {
6885 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6887 ath10k_dbg(ar, ATH10K_DBG_MAC,
6888 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
6890 vifs[i].old_ctx->def.chan->center_freq,
6891 vifs[i].new_ctx->def.chan->center_freq,
6892 vifs[i].old_ctx->def.width,
6893 vifs[i].new_ctx->def.width);
6895 if (WARN_ON(!arvif->is_started))
6898 if (WARN_ON(!arvif->is_up))
6901 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6903 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6904 arvif->vdev_id, ret);
6909 /* All relevant vdevs are downed and associated channel resources
6910 * should be available for the channel switch now.
6913 spin_lock_bh(&ar->data_lock);
6914 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
6915 spin_unlock_bh(&ar->data_lock);
6917 for (i = 0; i < n_vifs; i++) {
6918 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6920 if (WARN_ON(!arvif->is_started))
6923 if (WARN_ON(!arvif->is_up))
6926 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6928 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6931 ret = ath10k_mac_setup_prb_tmpl(arvif);
6933 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6936 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6938 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6939 arvif->vdev_id, ret);
6943 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6946 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6947 arvif->vdev_id, ret);
6952 ath10k_monitor_recalc(ar);
6956 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6957 struct ieee80211_chanctx_conf *ctx)
6959 struct ath10k *ar = hw->priv;
6961 ath10k_dbg(ar, ATH10K_DBG_MAC,
6962 "mac chanctx add freq %hu width %d ptr %p\n",
6963 ctx->def.chan->center_freq, ctx->def.width, ctx);
6965 mutex_lock(&ar->conf_mutex);
6967 spin_lock_bh(&ar->data_lock);
6968 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
6969 spin_unlock_bh(&ar->data_lock);
6971 ath10k_recalc_radar_detection(ar);
6972 ath10k_monitor_recalc(ar);
6974 mutex_unlock(&ar->conf_mutex);
6980 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6981 struct ieee80211_chanctx_conf *ctx)
6983 struct ath10k *ar = hw->priv;
6985 ath10k_dbg(ar, ATH10K_DBG_MAC,
6986 "mac chanctx remove freq %hu width %d ptr %p\n",
6987 ctx->def.chan->center_freq, ctx->def.width, ctx);
6989 mutex_lock(&ar->conf_mutex);
6991 spin_lock_bh(&ar->data_lock);
6992 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
6993 spin_unlock_bh(&ar->data_lock);
6995 ath10k_recalc_radar_detection(ar);
6996 ath10k_monitor_recalc(ar);
6998 mutex_unlock(&ar->conf_mutex);
7001 struct ath10k_mac_change_chanctx_arg {
7002 struct ieee80211_chanctx_conf *ctx;
7003 struct ieee80211_vif_chanctx_switch *vifs;
7009 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
7010 struct ieee80211_vif *vif)
7012 struct ath10k_mac_change_chanctx_arg *arg = data;
7014 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
7021 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
7022 struct ieee80211_vif *vif)
7024 struct ath10k_mac_change_chanctx_arg *arg = data;
7025 struct ieee80211_chanctx_conf *ctx;
7027 ctx = rcu_access_pointer(vif->chanctx_conf);
7028 if (ctx != arg->ctx)
7031 if (WARN_ON(arg->next_vif == arg->n_vifs))
7034 arg->vifs[arg->next_vif].vif = vif;
7035 arg->vifs[arg->next_vif].old_ctx = ctx;
7036 arg->vifs[arg->next_vif].new_ctx = ctx;
7041 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
7042 struct ieee80211_chanctx_conf *ctx,
7045 struct ath10k *ar = hw->priv;
7046 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
7048 mutex_lock(&ar->conf_mutex);
7050 ath10k_dbg(ar, ATH10K_DBG_MAC,
7051 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
7052 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
7054 /* This shouldn't really happen because channel switching should use
7055 * switch_vif_chanctx().
7057 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
7060 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
7061 ieee80211_iterate_active_interfaces_atomic(
7063 IEEE80211_IFACE_ITER_NORMAL,
7064 ath10k_mac_change_chanctx_cnt_iter,
7066 if (arg.n_vifs == 0)
7069 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
7074 ieee80211_iterate_active_interfaces_atomic(
7076 IEEE80211_IFACE_ITER_NORMAL,
7077 ath10k_mac_change_chanctx_fill_iter,
7079 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
7084 ath10k_recalc_radar_detection(ar);
7086 /* FIXME: How to configure Rx chains properly? */
7088 /* No other actions are actually necessary. Firmware maintains channel
7089 * definitions per vdev internally and there's no host-side channel
7090 * context abstraction to configure, e.g. channel width.
7094 mutex_unlock(&ar->conf_mutex);
7098 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
7099 struct ieee80211_vif *vif,
7100 struct ieee80211_chanctx_conf *ctx)
7102 struct ath10k *ar = hw->priv;
7103 struct ath10k_vif *arvif = (void *)vif->drv_priv;
7106 mutex_lock(&ar->conf_mutex);
7108 ath10k_dbg(ar, ATH10K_DBG_MAC,
7109 "mac chanctx assign ptr %p vdev_id %i\n",
7110 ctx, arvif->vdev_id);
7112 if (WARN_ON(arvif->is_started)) {
7113 mutex_unlock(&ar->conf_mutex);
7117 ret = ath10k_vdev_start(arvif, &ctx->def);
7119 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
7120 arvif->vdev_id, vif->addr,
7121 ctx->def.chan->center_freq, ret);
7125 arvif->is_started = true;
7127 ret = ath10k_mac_vif_setup_ps(arvif);
7129 ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
7130 arvif->vdev_id, ret);
7134 if (vif->type == NL80211_IFTYPE_MONITOR) {
7135 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
7137 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
7138 arvif->vdev_id, ret);
7142 arvif->is_up = true;
7145 mutex_unlock(&ar->conf_mutex);
7149 ath10k_vdev_stop(arvif);
7150 arvif->is_started = false;
7151 ath10k_mac_vif_setup_ps(arvif);
7154 mutex_unlock(&ar->conf_mutex);
7159 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
7160 struct ieee80211_vif *vif,
7161 struct ieee80211_chanctx_conf *ctx)
7163 struct ath10k *ar = hw->priv;
7164 struct ath10k_vif *arvif = (void *)vif->drv_priv;
7167 mutex_lock(&ar->conf_mutex);
7169 ath10k_dbg(ar, ATH10K_DBG_MAC,
7170 "mac chanctx unassign ptr %p vdev_id %i\n",
7171 ctx, arvif->vdev_id);
7173 WARN_ON(!arvif->is_started);
7175 if (vif->type == NL80211_IFTYPE_MONITOR) {
7176 WARN_ON(!arvif->is_up);
7178 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
7180 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
7181 arvif->vdev_id, ret);
7183 arvif->is_up = false;
7186 ret = ath10k_vdev_stop(arvif);
7188 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
7189 arvif->vdev_id, ret);
7191 arvif->is_started = false;
7193 mutex_unlock(&ar->conf_mutex);
7197 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
7198 struct ieee80211_vif_chanctx_switch *vifs,
7200 enum ieee80211_chanctx_switch_mode mode)
7202 struct ath10k *ar = hw->priv;
7204 mutex_lock(&ar->conf_mutex);
7206 ath10k_dbg(ar, ATH10K_DBG_MAC,
7207 "mac chanctx switch n_vifs %d mode %d\n",
7209 ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
7211 mutex_unlock(&ar->conf_mutex);
7215 static const struct ieee80211_ops ath10k_ops = {
7216 .tx = ath10k_mac_op_tx,
7217 .wake_tx_queue = ath10k_mac_op_wake_tx_queue,
7218 .start = ath10k_start,
7219 .stop = ath10k_stop,
7220 .config = ath10k_config,
7221 .add_interface = ath10k_add_interface,
7222 .remove_interface = ath10k_remove_interface,
7223 .configure_filter = ath10k_configure_filter,
7224 .bss_info_changed = ath10k_bss_info_changed,
7225 .hw_scan = ath10k_hw_scan,
7226 .cancel_hw_scan = ath10k_cancel_hw_scan,
7227 .set_key = ath10k_set_key,
7228 .set_default_unicast_key = ath10k_set_default_unicast_key,
7229 .sta_state = ath10k_sta_state,
7230 .conf_tx = ath10k_conf_tx,
7231 .remain_on_channel = ath10k_remain_on_channel,
7232 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
7233 .set_rts_threshold = ath10k_set_rts_threshold,
7234 .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
7235 .flush = ath10k_flush,
7236 .tx_last_beacon = ath10k_tx_last_beacon,
7237 .set_antenna = ath10k_set_antenna,
7238 .get_antenna = ath10k_get_antenna,
7239 .reconfig_complete = ath10k_reconfig_complete,
7240 .get_survey = ath10k_get_survey,
7241 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
7242 .sta_rc_update = ath10k_sta_rc_update,
7243 .get_tsf = ath10k_get_tsf,
7244 .ampdu_action = ath10k_ampdu_action,
7245 .get_et_sset_count = ath10k_debug_get_et_sset_count,
7246 .get_et_stats = ath10k_debug_get_et_stats,
7247 .get_et_strings = ath10k_debug_get_et_strings,
7248 .add_chanctx = ath10k_mac_op_add_chanctx,
7249 .remove_chanctx = ath10k_mac_op_remove_chanctx,
7250 .change_chanctx = ath10k_mac_op_change_chanctx,
7251 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
7252 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
7253 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
7255 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
7258 .suspend = ath10k_wow_op_suspend,
7259 .resume = ath10k_wow_op_resume,
7261 #ifdef CONFIG_MAC80211_DEBUGFS
7262 .sta_add_debugfs = ath10k_sta_add_debugfs,
7266 #define CHAN2G(_channel, _freq, _flags) { \
7267 .band = IEEE80211_BAND_2GHZ, \
7268 .hw_value = (_channel), \
7269 .center_freq = (_freq), \
7270 .flags = (_flags), \
7271 .max_antenna_gain = 0, \
7275 #define CHAN5G(_channel, _freq, _flags) { \
7276 .band = IEEE80211_BAND_5GHZ, \
7277 .hw_value = (_channel), \
7278 .center_freq = (_freq), \
7279 .flags = (_flags), \
7280 .max_antenna_gain = 0, \
7284 static const struct ieee80211_channel ath10k_2ghz_channels[] = {
7294 CHAN2G(10, 2457, 0),
7295 CHAN2G(11, 2462, 0),
7296 CHAN2G(12, 2467, 0),
7297 CHAN2G(13, 2472, 0),
7298 CHAN2G(14, 2484, 0),
7301 static const struct ieee80211_channel ath10k_5ghz_channels[] = {
7302 CHAN5G(36, 5180, 0),
7303 CHAN5G(40, 5200, 0),
7304 CHAN5G(44, 5220, 0),
7305 CHAN5G(48, 5240, 0),
7306 CHAN5G(52, 5260, 0),
7307 CHAN5G(56, 5280, 0),
7308 CHAN5G(60, 5300, 0),
7309 CHAN5G(64, 5320, 0),
7310 CHAN5G(100, 5500, 0),
7311 CHAN5G(104, 5520, 0),
7312 CHAN5G(108, 5540, 0),
7313 CHAN5G(112, 5560, 0),
7314 CHAN5G(116, 5580, 0),
7315 CHAN5G(120, 5600, 0),
7316 CHAN5G(124, 5620, 0),
7317 CHAN5G(128, 5640, 0),
7318 CHAN5G(132, 5660, 0),
7319 CHAN5G(136, 5680, 0),
7320 CHAN5G(140, 5700, 0),
7321 CHAN5G(144, 5720, 0),
7322 CHAN5G(149, 5745, 0),
7323 CHAN5G(153, 5765, 0),
7324 CHAN5G(157, 5785, 0),
7325 CHAN5G(161, 5805, 0),
7326 CHAN5G(165, 5825, 0),
7329 struct ath10k *ath10k_mac_create(size_t priv_size)
7331 struct ieee80211_hw *hw;
7334 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
7344 void ath10k_mac_destroy(struct ath10k *ar)
7346 ieee80211_free_hw(ar->hw);
7349 static const struct ieee80211_iface_limit ath10k_if_limits[] = {
7352 .types = BIT(NL80211_IFTYPE_STATION)
7353 | BIT(NL80211_IFTYPE_P2P_CLIENT)
7357 .types = BIT(NL80211_IFTYPE_P2P_GO)
7361 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
7365 .types = BIT(NL80211_IFTYPE_AP)
7366 #ifdef CONFIG_MAC80211_MESH
7367 | BIT(NL80211_IFTYPE_MESH_POINT)
7372 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
7375 .types = BIT(NL80211_IFTYPE_AP)
7376 #ifdef CONFIG_MAC80211_MESH
7377 | BIT(NL80211_IFTYPE_MESH_POINT)
7382 .types = BIT(NL80211_IFTYPE_STATION)
7386 static const struct ieee80211_iface_combination ath10k_if_comb[] = {
7388 .limits = ath10k_if_limits,
7389 .n_limits = ARRAY_SIZE(ath10k_if_limits),
7390 .max_interfaces = 8,
7391 .num_different_channels = 1,
7392 .beacon_int_infra_match = true,
7396 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
7398 .limits = ath10k_10x_if_limits,
7399 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
7400 .max_interfaces = 8,
7401 .num_different_channels = 1,
7402 .beacon_int_infra_match = true,
7403 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7404 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7405 BIT(NL80211_CHAN_WIDTH_20) |
7406 BIT(NL80211_CHAN_WIDTH_40) |
7407 BIT(NL80211_CHAN_WIDTH_80),
7412 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
7415 .types = BIT(NL80211_IFTYPE_STATION),
7419 .types = BIT(NL80211_IFTYPE_AP) |
7420 #ifdef CONFIG_MAC80211_MESH
7421 BIT(NL80211_IFTYPE_MESH_POINT) |
7423 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7424 BIT(NL80211_IFTYPE_P2P_GO),
7428 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7432 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
7435 .types = BIT(NL80211_IFTYPE_STATION),
7439 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
7443 .types = BIT(NL80211_IFTYPE_AP) |
7444 #ifdef CONFIG_MAC80211_MESH
7445 BIT(NL80211_IFTYPE_MESH_POINT) |
7447 BIT(NL80211_IFTYPE_P2P_GO),
7451 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7455 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
7458 .types = BIT(NL80211_IFTYPE_STATION),
7462 .types = BIT(NL80211_IFTYPE_ADHOC),
7466 /* FIXME: This is not thouroughly tested. These combinations may over- or
7467 * underestimate hw/fw capabilities.
7469 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
7471 .limits = ath10k_tlv_if_limit,
7472 .num_different_channels = 1,
7473 .max_interfaces = 4,
7474 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7477 .limits = ath10k_tlv_if_limit_ibss,
7478 .num_different_channels = 1,
7479 .max_interfaces = 2,
7480 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7484 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
7486 .limits = ath10k_tlv_if_limit,
7487 .num_different_channels = 1,
7488 .max_interfaces = 4,
7489 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7492 .limits = ath10k_tlv_qcs_if_limit,
7493 .num_different_channels = 2,
7494 .max_interfaces = 4,
7495 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
7498 .limits = ath10k_tlv_if_limit_ibss,
7499 .num_different_channels = 1,
7500 .max_interfaces = 2,
7501 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7505 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
7508 .types = BIT(NL80211_IFTYPE_STATION),
7512 .types = BIT(NL80211_IFTYPE_AP)
7513 #ifdef CONFIG_MAC80211_MESH
7514 | BIT(NL80211_IFTYPE_MESH_POINT)
7519 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
7521 .limits = ath10k_10_4_if_limits,
7522 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
7523 .max_interfaces = 16,
7524 .num_different_channels = 1,
7525 .beacon_int_infra_match = true,
7526 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7527 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7528 BIT(NL80211_CHAN_WIDTH_20) |
7529 BIT(NL80211_CHAN_WIDTH_40) |
7530 BIT(NL80211_CHAN_WIDTH_80),
7535 static void ath10k_get_arvif_iter(void *data, u8 *mac,
7536 struct ieee80211_vif *vif)
7538 struct ath10k_vif_iter *arvif_iter = data;
7539 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
7541 if (arvif->vdev_id == arvif_iter->vdev_id)
7542 arvif_iter->arvif = arvif;
7545 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
7547 struct ath10k_vif_iter arvif_iter;
7550 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
7551 arvif_iter.vdev_id = vdev_id;
7553 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
7554 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7556 ath10k_get_arvif_iter,
7558 if (!arvif_iter.arvif) {
7559 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
7563 return arvif_iter.arvif;
7566 int ath10k_mac_register(struct ath10k *ar)
7568 static const u32 cipher_suites[] = {
7569 WLAN_CIPHER_SUITE_WEP40,
7570 WLAN_CIPHER_SUITE_WEP104,
7571 WLAN_CIPHER_SUITE_TKIP,
7572 WLAN_CIPHER_SUITE_CCMP,
7573 WLAN_CIPHER_SUITE_AES_CMAC,
7575 struct ieee80211_supported_band *band;
7579 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
7581 SET_IEEE80211_DEV(ar->hw, ar->dev);
7583 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
7584 ARRAY_SIZE(ath10k_5ghz_channels)) !=
7587 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
7588 channels = kmemdup(ath10k_2ghz_channels,
7589 sizeof(ath10k_2ghz_channels),
7596 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
7597 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
7598 band->channels = channels;
7599 band->n_bitrates = ath10k_g_rates_size;
7600 band->bitrates = ath10k_g_rates;
7602 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
7605 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
7606 channels = kmemdup(ath10k_5ghz_channels,
7607 sizeof(ath10k_5ghz_channels),
7614 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
7615 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
7616 band->channels = channels;
7617 band->n_bitrates = ath10k_a_rates_size;
7618 band->bitrates = ath10k_a_rates;
7619 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
7622 ath10k_mac_setup_ht_vht_cap(ar);
7624 ar->hw->wiphy->interface_modes =
7625 BIT(NL80211_IFTYPE_STATION) |
7626 BIT(NL80211_IFTYPE_AP) |
7627 BIT(NL80211_IFTYPE_MESH_POINT);
7629 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask;
7630 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask;
7632 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
7633 ar->hw->wiphy->interface_modes |=
7634 BIT(NL80211_IFTYPE_P2P_DEVICE) |
7635 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7636 BIT(NL80211_IFTYPE_P2P_GO);
7638 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
7639 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
7640 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
7641 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
7642 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
7643 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
7644 ieee80211_hw_set(ar->hw, AP_LINK_PS);
7645 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
7646 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
7647 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
7648 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
7649 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
7650 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
7651 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
7653 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7654 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
7656 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
7657 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
7659 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
7660 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
7662 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
7663 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
7664 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
7667 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
7668 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
7670 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
7671 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
7672 ar->hw->txq_data_size = sizeof(struct ath10k_txq);
7674 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
7676 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
7677 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
7679 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
7680 * that userspace (e.g. wpa_supplicant/hostapd) can generate
7681 * correct Probe Responses. This is more of a hack advert..
7683 ar->hw->wiphy->probe_resp_offload |=
7684 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
7685 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
7686 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
7689 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
7690 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7692 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
7693 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7694 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
7696 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
7697 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
7699 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
7701 ret = ath10k_wow_init(ar);
7703 ath10k_warn(ar, "failed to init wow: %d\n", ret);
7707 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
7710 * on LL hardware queues are managed entirely by the FW
7711 * so we only advertise to mac we can do the queues thing
7713 ar->hw->queues = IEEE80211_MAX_QUEUES;
7715 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
7716 * something that vdev_ids can't reach so that we don't stop the queue
7719 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
7721 switch (ar->wmi.op_version) {
7722 case ATH10K_FW_WMI_OP_VERSION_MAIN:
7723 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
7724 ar->hw->wiphy->n_iface_combinations =
7725 ARRAY_SIZE(ath10k_if_comb);
7726 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7728 case ATH10K_FW_WMI_OP_VERSION_TLV:
7729 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
7730 ar->hw->wiphy->iface_combinations =
7731 ath10k_tlv_qcs_if_comb;
7732 ar->hw->wiphy->n_iface_combinations =
7733 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
7735 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
7736 ar->hw->wiphy->n_iface_combinations =
7737 ARRAY_SIZE(ath10k_tlv_if_comb);
7739 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7741 case ATH10K_FW_WMI_OP_VERSION_10_1:
7742 case ATH10K_FW_WMI_OP_VERSION_10_2:
7743 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
7744 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
7745 ar->hw->wiphy->n_iface_combinations =
7746 ARRAY_SIZE(ath10k_10x_if_comb);
7748 case ATH10K_FW_WMI_OP_VERSION_10_4:
7749 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
7750 ar->hw->wiphy->n_iface_combinations =
7751 ARRAY_SIZE(ath10k_10_4_if_comb);
7753 case ATH10K_FW_WMI_OP_VERSION_UNSET:
7754 case ATH10K_FW_WMI_OP_VERSION_MAX:
7760 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7761 ar->hw->netdev_features = NETIF_F_HW_CSUM;
7763 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
7764 /* Init ath dfs pattern detector */
7765 ar->ath_common.debug_mask = ATH_DBG_DFS;
7766 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
7769 if (!ar->dfs_detector)
7770 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
7773 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
7774 ath10k_reg_notifier);
7776 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
7777 goto err_dfs_detector_exit;
7780 ar->hw->wiphy->cipher_suites = cipher_suites;
7781 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7783 ret = ieee80211_register_hw(ar->hw);
7785 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
7786 goto err_dfs_detector_exit;
7789 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7790 ret = regulatory_hint(ar->hw->wiphy,
7791 ar->ath_common.regulatory.alpha2);
7793 goto err_unregister;
7799 ieee80211_unregister_hw(ar->hw);
7801 err_dfs_detector_exit:
7802 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7803 ar->dfs_detector->exit(ar->dfs_detector);
7806 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7807 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7809 SET_IEEE80211_DEV(ar->hw, NULL);
7813 void ath10k_mac_unregister(struct ath10k *ar)
7815 ieee80211_unregister_hw(ar->hw);
7817 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7818 ar->dfs_detector->exit(ar->dfs_detector);
7820 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7821 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7823 SET_IEEE80211_DEV(ar->hw, NULL);