1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/kernel.h>
66 #include <linux/slab.h>
67 #include <linux/skbuff.h>
68 #include <linux/netdevice.h>
69 #include <linux/etherdevice.h>
71 #include <linux/if_arp.h>
72 #include <linux/devcoredump.h>
73 #include <net/mac80211.h>
74 #include <net/ieee80211_radiotap.h>
77 #include "iwl-op-mode.h"
81 #include "time-event.h"
82 #include "iwl-eeprom-parse.h"
83 #include "fw-api-scan.h"
84 #include "iwl-phy-db.h"
86 #include "iwl-fw-error-dump.h"
89 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
92 .types = BIT(NL80211_IFTYPE_STATION),
96 .types = BIT(NL80211_IFTYPE_AP) |
97 BIT(NL80211_IFTYPE_P2P_CLIENT) |
98 BIT(NL80211_IFTYPE_P2P_GO),
102 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
106 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
108 .num_different_channels = 1,
110 .limits = iwl_mvm_limits,
111 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
115 #ifdef CONFIG_PM_SLEEP
116 static const struct nl80211_wowlan_tcp_data_token_feature
117 iwl_mvm_wowlan_tcp_token_feature = {
120 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
123 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
124 .tok = &iwl_mvm_wowlan_tcp_token_feature,
125 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
126 sizeof(struct ethhdr) -
127 sizeof(struct iphdr) -
128 sizeof(struct tcphdr),
129 .data_interval_max = 65535, /* __le16 in API */
130 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
131 sizeof(struct ethhdr) -
132 sizeof(struct iphdr) -
133 sizeof(struct tcphdr),
138 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
140 * Use the reserved field to indicate magic values.
141 * these values will only be used internally by the driver,
142 * and won't make it to the fw (reserved will be 0).
143 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
144 * be the vif's ip address. in case there is not a single
145 * ip address (0, or more than 1), this attribute will
147 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
148 * the LSB bytes of the vif's mac address
151 BC_FILTER_MAGIC_NONE = 0,
156 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
160 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
163 /* frame type - arp, hw type - ethernet */
165 BCAST_FILTER_OFFSET_PAYLOAD_START,
166 .offset = sizeof(rfc1042_header),
167 .val = cpu_to_be32(0x08060001),
168 .mask = cpu_to_be32(0xffffffff),
173 BCAST_FILTER_OFFSET_PAYLOAD_START,
174 .offset = sizeof(rfc1042_header) + 2 +
175 sizeof(struct arphdr) +
176 ETH_ALEN + sizeof(__be32) +
178 .mask = cpu_to_be32(0xffffffff),
179 /* mark it as special field */
180 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
185 /* dhcp offer bcast */
187 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
190 /* udp dest port - 68 (bootp client)*/
191 .offset_type = BCAST_FILTER_OFFSET_IP_END,
192 .offset = offsetof(struct udphdr, dest),
193 .val = cpu_to_be32(0x00440000),
194 .mask = cpu_to_be32(0xffff0000),
197 /* dhcp - lsb bytes of client hw address */
198 .offset_type = BCAST_FILTER_OFFSET_IP_END,
200 .mask = cpu_to_be32(0xffffffff),
201 /* mark it as special field */
202 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
206 /* last filter must be empty */
211 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
213 if (!iwl_mvm_is_d0i3_supported(mvm))
216 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
217 spin_lock_bh(&mvm->refs_lock);
218 mvm->refs[ref_type]++;
219 spin_unlock_bh(&mvm->refs_lock);
220 iwl_trans_ref(mvm->trans);
223 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
225 if (!iwl_mvm_is_d0i3_supported(mvm))
228 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
229 spin_lock_bh(&mvm->refs_lock);
230 WARN_ON(!mvm->refs[ref_type]--);
231 spin_unlock_bh(&mvm->refs_lock);
232 iwl_trans_unref(mvm->trans);
235 static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
236 enum iwl_mvm_ref_type except_ref)
240 if (!iwl_mvm_is_d0i3_supported(mvm))
243 spin_lock_bh(&mvm->refs_lock);
244 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
245 if (except_ref == i || !mvm->refs[i])
248 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
250 for (j = 0; j < mvm->refs[i]; j++)
251 iwl_trans_unref(mvm->trans);
254 spin_unlock_bh(&mvm->refs_lock);
257 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
262 if (!iwl_mvm_is_d0i3_supported(mvm))
265 spin_lock_bh(&mvm->refs_lock);
266 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
272 spin_unlock_bh(&mvm->refs_lock);
277 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
279 iwl_mvm_ref(mvm, ref_type);
281 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
282 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
285 iwl_mvm_unref(mvm, ref_type);
292 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
296 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
297 for (i = 0; i < NUM_PHY_CTX; i++) {
298 mvm->phy_ctxts[i].id = i;
299 mvm->phy_ctxts[i].ref = 0;
303 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
305 struct ieee80211_hw *hw = mvm->hw;
308 /* Tell mac80211 our characteristics */
309 hw->flags = IEEE80211_HW_SIGNAL_DBM |
310 IEEE80211_HW_SPECTRUM_MGMT |
311 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
312 IEEE80211_HW_QUEUE_CONTROL |
313 IEEE80211_HW_WANT_MONITOR_VIF |
314 IEEE80211_HW_SUPPORTS_PS |
315 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
316 IEEE80211_HW_AMPDU_AGGREGATION |
317 IEEE80211_HW_TIMING_BEACON_ONLY |
318 IEEE80211_HW_CONNECTION_MONITOR |
319 IEEE80211_HW_CHANCTX_STA_CSA |
320 IEEE80211_HW_SUPPORTS_CLONED_SKBS;
322 hw->queues = mvm->first_agg_queue;
323 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
324 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
325 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
326 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
327 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
328 hw->rate_control_algorithm = "iwl-mvm-rs";
331 * Enable 11w if advertised by firmware and software crypto
332 * is not enabled (as the firmware will interpret some mgmt
333 * packets, so enabling it with software crypto isn't safe)
335 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
336 !iwlwifi_mod_params.sw_crypto)
337 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
339 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
340 !iwlwifi_mod_params.uapsd_disable) {
341 hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
342 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
343 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
346 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN ||
347 mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
348 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
349 hw->wiphy->features |=
350 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
351 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
354 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
355 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
356 hw->chanctx_data_size = sizeof(u16);
358 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
359 BIT(NL80211_IFTYPE_P2P_CLIENT) |
360 BIT(NL80211_IFTYPE_AP) |
361 BIT(NL80211_IFTYPE_P2P_GO) |
362 BIT(NL80211_IFTYPE_P2P_DEVICE) |
363 BIT(NL80211_IFTYPE_ADHOC);
365 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
366 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
367 REGULATORY_DISABLE_BEACON_HINTS;
369 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
370 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
372 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
374 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
375 hw->wiphy->n_iface_combinations =
376 ARRAY_SIZE(iwl_mvm_iface_combinations);
378 hw->wiphy->max_remain_on_channel_duration = 10000;
379 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
381 /* Extract MAC address */
382 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
383 hw->wiphy->addresses = mvm->addresses;
384 hw->wiphy->n_addresses = 1;
386 /* Extract additional MAC addresses if available */
387 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
388 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
390 for (i = 1; i < num_mac; i++) {
391 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
393 mvm->addresses[i].addr[5]++;
394 hw->wiphy->n_addresses++;
397 iwl_mvm_reset_phy_ctxts(mvm);
399 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false);
401 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
403 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
404 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
405 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
406 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
407 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
408 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
410 hw->wiphy->hw_version = mvm->trans->hw_id;
412 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
413 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
415 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
417 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
418 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
419 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
420 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
421 /* we create the 802.11 header and zero length SSID IE. */
422 hw->wiphy->max_sched_scan_ie_len =
423 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
426 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
427 NL80211_FEATURE_LOW_PRIORITY_SCAN |
428 NL80211_FEATURE_P2P_GO_OPPPS |
429 NL80211_FEATURE_DYNAMIC_SMPS |
430 NL80211_FEATURE_STATIC_SMPS |
431 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
433 if (mvm->fw->ucode_capa.capa[0] &
434 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
435 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
436 if (mvm->fw->ucode_capa.capa[0] &
437 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
438 hw->wiphy->features |= NL80211_FEATURE_QUIET;
440 if (mvm->fw->ucode_capa.capa[0] &
441 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
442 hw->wiphy->features |=
443 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
445 if (mvm->fw->ucode_capa.capa[0] &
446 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
447 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
449 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
451 /* currently FW API supports only one optional cipher scheme */
452 if (mvm->fw->cs[0].cipher) {
453 mvm->hw->n_cipher_schemes = 1;
454 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
457 #ifdef CONFIG_PM_SLEEP
458 if (iwl_mvm_is_d0i3_supported(mvm) &&
459 device_can_wakeup(mvm->trans->dev)) {
460 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
461 hw->wiphy->wowlan = &mvm->wowlan;
462 } else if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
463 mvm->trans->ops->d3_suspend &&
464 mvm->trans->ops->d3_resume &&
465 device_can_wakeup(mvm->trans->dev)) {
466 mvm->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
467 WIPHY_WOWLAN_DISCONNECT |
468 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
469 WIPHY_WOWLAN_RFKILL_RELEASE |
470 WIPHY_WOWLAN_NET_DETECT;
471 if (!iwlwifi_mod_params.sw_crypto)
472 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
473 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
474 WIPHY_WOWLAN_4WAY_HANDSHAKE;
476 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
477 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
478 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
479 mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
480 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
481 hw->wiphy->wowlan = &mvm->wowlan;
485 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
486 /* assign default bcast filtering configuration */
487 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
490 ret = iwl_mvm_leds_init(mvm);
494 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_TDLS_SUPPORT) {
495 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
496 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
499 if (mvm->fw->ucode_capa.capa[0] &
500 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH) {
501 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
502 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
505 ret = ieee80211_register_hw(mvm->hw);
507 iwl_mvm_leds_exit(mvm);
512 static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
513 struct ieee80211_sta *sta,
516 struct iwl_mvm_sta *mvmsta;
520 * double check the IN_D0I3 flag both before and after
521 * taking the spinlock, in order to prevent taking
522 * the spinlock when not needed.
524 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
527 spin_lock(&mvm->d0i3_tx_lock);
529 * testing the flag again ensures the skb dequeue
530 * loop (on d0i3 exit) hasn't run yet.
532 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
535 mvmsta = iwl_mvm_sta_from_mac80211(sta);
536 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
537 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
540 __skb_queue_tail(&mvm->d0i3_tx, skb);
541 ieee80211_stop_queues(mvm->hw);
544 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
545 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
549 spin_unlock(&mvm->d0i3_tx_lock);
553 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
554 struct ieee80211_tx_control *control,
557 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
558 struct ieee80211_sta *sta = control->sta;
559 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
560 struct ieee80211_hdr *hdr = (void *)skb->data;
562 if (iwl_mvm_is_radio_killed(mvm)) {
563 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
567 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
568 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
569 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
572 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
573 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
574 ieee80211_is_mgmt(hdr->frame_control) &&
575 !ieee80211_is_deauth(hdr->frame_control) &&
576 !ieee80211_is_disassoc(hdr->frame_control) &&
577 !ieee80211_is_action(hdr->frame_control)))
581 if (iwl_mvm_defer_tx(mvm, sta, skb))
583 if (iwl_mvm_tx_skb(mvm, skb, sta))
588 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
592 ieee80211_free_txskb(hw, skb);
595 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
597 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
602 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
604 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
606 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
609 /* enabled by default */
613 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
614 struct ieee80211_vif *vif,
615 enum ieee80211_ampdu_mlme_action action,
616 struct ieee80211_sta *sta, u16 tid,
617 u16 *ssn, u8 buf_size)
619 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
621 bool tx_agg_ref = false;
623 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
624 sta->addr, tid, action);
626 if (!(mvm->nvm_data->sku_cap_11n_enable))
629 /* return from D0i3 before starting a new Tx aggregation */
631 case IEEE80211_AMPDU_TX_START:
632 case IEEE80211_AMPDU_TX_STOP_CONT:
633 case IEEE80211_AMPDU_TX_STOP_FLUSH:
634 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
635 case IEEE80211_AMPDU_TX_OPERATIONAL:
637 * for tx start, wait synchronously until D0i3 exit to
638 * get the correct sequence number for the tid.
639 * additionally, some other ampdu actions use direct
640 * target access, which is not handled automatically
641 * by the trans layer (unlike commands), so wait for
642 * d0i3 exit in these cases as well.
644 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
654 mutex_lock(&mvm->mutex);
657 case IEEE80211_AMPDU_RX_START:
658 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
662 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
664 case IEEE80211_AMPDU_RX_STOP:
665 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
667 case IEEE80211_AMPDU_TX_START:
668 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
672 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
674 case IEEE80211_AMPDU_TX_STOP_CONT:
675 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
677 case IEEE80211_AMPDU_TX_STOP_FLUSH:
678 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
679 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
681 case IEEE80211_AMPDU_TX_OPERATIONAL:
682 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
689 mutex_unlock(&mvm->mutex);
692 * If the tid is marked as started, we won't use it for offloaded
693 * traffic on the next D0i3 entry. It's safe to unref.
696 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
701 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
702 struct ieee80211_vif *vif)
704 struct iwl_mvm *mvm = data;
705 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
707 mvmvif->uploaded = false;
708 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
710 /* does this make sense at all? */
713 spin_lock_bh(&mvm->time_event_lock);
714 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
715 spin_unlock_bh(&mvm->time_event_lock);
717 mvmvif->phy_ctxt = NULL;
718 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
721 static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
722 const void *data, size_t datalen)
724 const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
726 ssize_t bytes_read_trans;
728 if (offset < dump_ptrs->op_mode_len) {
729 bytes_read = min_t(ssize_t, count,
730 dump_ptrs->op_mode_len - offset);
731 memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
733 offset += bytes_read;
742 if (!dump_ptrs->trans_ptr)
745 offset -= dump_ptrs->op_mode_len;
746 bytes_read_trans = min_t(ssize_t, count,
747 dump_ptrs->trans_ptr->len - offset);
748 memcpy(buffer + bytes_read,
749 (u8 *)dump_ptrs->trans_ptr->data + offset,
752 return bytes_read + bytes_read_trans;
755 static void iwl_mvm_free_coredump(const void *data)
757 const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
759 vfree(fw_error_dump->op_mode_ptr);
760 vfree(fw_error_dump->trans_ptr);
761 kfree(fw_error_dump);
764 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
766 struct iwl_fw_error_dump_file *dump_file;
767 struct iwl_fw_error_dump_data *dump_data;
768 struct iwl_fw_error_dump_info *dump_info;
769 struct iwl_mvm_dump_ptrs *fw_error_dump;
770 const struct fw_img *img;
771 u32 sram_len, sram_ofs;
772 u32 file_len, rxf_len;
776 lockdep_assert_held(&mvm->mutex);
778 fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
782 img = &mvm->fw->img[mvm->cur_ucode];
783 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
784 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
786 /* reading buffer size */
787 reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);
788 rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS;
790 /* the register holds the value divided by 128 */
791 rxf_len = rxf_len << 7;
793 file_len = sizeof(*dump_file) +
794 sizeof(*dump_data) * 3 +
799 dump_file = vzalloc(file_len);
801 kfree(fw_error_dump);
805 fw_error_dump->op_mode_ptr = dump_file;
807 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
808 dump_data = (void *)dump_file->data;
810 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
811 dump_data->len = cpu_to_le32(sizeof(*dump_info));
812 dump_info = (void *) dump_data->data;
813 dump_info->device_family =
814 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
815 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
816 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
817 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
818 sizeof(dump_info->fw_human_readable));
819 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
820 sizeof(dump_info->dev_human_readable));
821 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
822 sizeof(dump_info->bus_human_readable));
824 dump_data = iwl_fw_error_next_data(dump_data);
825 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
826 dump_data->len = cpu_to_le32(rxf_len);
828 if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) {
829 u32 *rxf = (void *)dump_data->data;
832 for (i = 0; i < (rxf_len / sizeof(u32)); i++) {
833 iwl_trans_write_prph(mvm->trans,
834 RXF_LD_FENCE_OFFSET_ADDR,
836 rxf[i] = iwl_trans_read_prph(mvm->trans,
837 RXF_FIFO_RD_FENCE_ADDR);
839 iwl_trans_release_nic_access(mvm->trans, &flags);
842 dump_data = iwl_fw_error_next_data(dump_data);
843 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
844 dump_data->len = cpu_to_le32(sram_len);
845 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
848 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
849 fw_error_dump->op_mode_len = file_len;
850 if (fw_error_dump->trans_ptr)
851 file_len += fw_error_dump->trans_ptr->len;
852 dump_file->file_len = cpu_to_le32(file_len);
854 dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
855 GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
858 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
860 /* clear the D3 reconfig, we only need it to avoid dumping a
861 * firmware coredump on reconfiguration, we shouldn't do that
862 * on D3->D0 transition
864 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status))
865 iwl_mvm_fw_error_dump(mvm);
867 iwl_trans_stop_device(mvm->trans);
869 mvm->scan_status = IWL_MVM_SCAN_NONE;
870 mvm->ps_disabled = false;
871 mvm->calibrating = false;
873 /* just in case one was running */
874 ieee80211_remain_on_channel_expired(mvm->hw);
876 ieee80211_iterate_active_interfaces_atomic(
877 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
878 iwl_mvm_cleanup_iterator, mvm);
880 mvm->p2p_device_vif = NULL;
881 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
883 iwl_mvm_reset_phy_ctxts(mvm);
884 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
885 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
886 memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
887 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
888 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
889 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
890 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
891 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
892 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
894 ieee80211_wake_queues(mvm->hw);
896 /* cleanup all stale references (scan, roc), but keep the
897 * ucode_down ref until reconfig is complete */
898 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
900 /* clear any stale d0i3 state */
901 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
904 mvm->rx_ba_sessions = 0;
907 int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
911 lockdep_assert_held(&mvm->mutex);
913 /* Clean up some internal and mac80211 state on restart */
914 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
915 iwl_mvm_restart_cleanup(mvm);
917 ret = iwl_mvm_up(mvm);
919 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
920 /* Something went wrong - we need to finish some cleanup
921 * that normally iwl_mvm_mac_restart_complete() below
924 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
925 iwl_mvm_d0i3_enable_tx(mvm, NULL);
931 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
933 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
936 mutex_lock(&mvm->mutex);
937 ret = __iwl_mvm_mac_start(mvm);
938 mutex_unlock(&mvm->mutex);
943 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
947 mutex_lock(&mvm->mutex);
949 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
950 iwl_mvm_d0i3_enable_tx(mvm, NULL);
951 ret = iwl_mvm_update_quotas(mvm, NULL);
953 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
956 /* allow transport/FW low power modes */
957 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
960 * If we have TDLS peers, remove them. We don't know the last seqno/PN
961 * of packets the FW sent out, so we must reconnect.
963 iwl_mvm_teardown_tdls_peers(mvm);
965 mutex_unlock(&mvm->mutex);
968 static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
972 if (!iwl_mvm_is_d0i3_supported(mvm))
975 mutex_lock(&mvm->d0i3_suspend_mutex);
976 __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
977 exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP,
978 &mvm->d0i3_suspend_flags);
979 mutex_unlock(&mvm->d0i3_suspend_mutex);
982 IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n");
983 _iwl_mvm_exit_d0i3(mvm);
988 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
989 enum ieee80211_reconfig_type reconfig_type)
991 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
993 switch (reconfig_type) {
994 case IEEE80211_RECONFIG_TYPE_RESTART:
995 iwl_mvm_restart_complete(mvm);
997 case IEEE80211_RECONFIG_TYPE_SUSPEND:
998 iwl_mvm_resume_complete(mvm);
1003 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
1005 lockdep_assert_held(&mvm->mutex);
1008 * Disallow low power states when the FW is down by taking
1009 * the UCODE_DOWN ref. in case of ongoing hw restart the
1010 * ref is already taken, so don't take it again.
1012 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1013 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1015 /* async_handlers_wk is now blocked */
1018 * The work item could be running or queued if the
1019 * ROC time event stops just as we get here.
1021 cancel_work_sync(&mvm->roc_done_wk);
1023 iwl_trans_stop_device(mvm->trans);
1025 iwl_mvm_async_handlers_purge(mvm);
1026 /* async_handlers_list is empty and will stay empty: HW is stopped */
1028 /* the fw is stopped, the aux sta is dead: clean up driver state */
1029 iwl_mvm_del_aux_sta(mvm);
1032 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1033 * won't be called in this case).
1035 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1037 mvm->ucode_loaded = false;
1040 static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1042 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1044 flush_work(&mvm->d0i3_exit_work);
1045 flush_work(&mvm->async_handlers_wk);
1046 flush_work(&mvm->fw_error_dump_wk);
1048 mutex_lock(&mvm->mutex);
1049 __iwl_mvm_mac_stop(mvm);
1050 mutex_unlock(&mvm->mutex);
1053 * The worker might have been waiting for the mutex, let it run and
1054 * discover that its list is now empty.
1056 cancel_work_sync(&mvm->async_handlers_wk);
1059 static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1063 lockdep_assert_held(&mvm->mutex);
1065 for (i = 0; i < NUM_PHY_CTX; i++)
1066 if (!mvm->phy_ctxts[i].ref)
1067 return &mvm->phy_ctxts[i];
1069 IWL_ERR(mvm, "No available PHY context\n");
1073 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1076 /* FW is in charge of regulatory enforcement */
1077 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
1078 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
1079 .pwr_restriction = cpu_to_le16(tx_power),
1082 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
1083 sizeof(reduce_txpwr_cmd),
1087 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1088 struct ieee80211_vif *vif)
1090 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1091 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1095 * make sure D0i3 exit is completed, otherwise a target access
1096 * during tx queue configuration could be done when still in
1099 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1104 * Not much to do here. The stack will not allow interface
1105 * types or combinations that we didn't advertise, so we
1106 * don't really have to check the types.
1109 mutex_lock(&mvm->mutex);
1111 /* Allocate resources for the MAC context, and add it to the fw */
1112 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1116 /* Counting number of interfaces is needed for legacy PM */
1117 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1121 * The AP binding flow can be done only after the beacon
1122 * template is configured (which happens only in the mac80211
1123 * start_ap() flow), and adding the broadcast station can happen
1124 * only after the binding.
1125 * In addition, since modifying the MAC before adding a bcast
1126 * station is not allowed by the FW, delay the adding of MAC context to
1127 * the point where we can also add the bcast station.
1128 * In short: there's not much we can do at this point, other than
1129 * allocating resources :)
1131 if (vif->type == NL80211_IFTYPE_AP ||
1132 vif->type == NL80211_IFTYPE_ADHOC) {
1133 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
1135 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1139 iwl_mvm_vif_dbgfs_register(mvm, vif);
1143 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1147 ret = iwl_mvm_power_update_mac(mvm);
1151 /* beacon filtering */
1152 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
1154 goto out_remove_mac;
1156 if (!mvm->bf_allowed_vif &&
1157 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
1158 mvm->bf_allowed_vif = mvmvif;
1159 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1160 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
1164 * P2P_DEVICE interface does not have a channel context assigned to it,
1165 * so a dedicated PHY context is allocated to it and the corresponding
1166 * MAC context is bound to it at this stage.
1168 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1170 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1171 if (!mvmvif->phy_ctxt) {
1176 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1177 ret = iwl_mvm_binding_add_vif(mvm, vif);
1181 ret = iwl_mvm_add_bcast_sta(mvm, vif);
1185 /* Save a pointer to p2p device vif, so it can later be used to
1186 * update the p2p device MAC when a GO is started/stopped */
1187 mvm->p2p_device_vif = vif;
1190 iwl_mvm_vif_dbgfs_register(mvm, vif);
1194 iwl_mvm_binding_remove_vif(mvm, vif);
1196 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1198 if (mvm->bf_allowed_vif == mvmvif) {
1199 mvm->bf_allowed_vif = NULL;
1200 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1201 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1204 mvmvif->phy_ctxt = NULL;
1205 iwl_mvm_mac_ctxt_remove(mvm, vif);
1207 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1210 iwl_mvm_mac_ctxt_release(mvm, vif);
1212 mutex_unlock(&mvm->mutex);
1214 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1219 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1220 struct ieee80211_vif *vif)
1222 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
1225 mutex_lock(&mvm->mutex);
1226 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1227 mutex_unlock(&mvm->mutex);
1230 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1232 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1233 * We assume here that all the packets sent to the OFFCHANNEL
1234 * queue are sent in ROC session.
1236 flush_work(&mvm->roc_done_wk);
1239 * By now, all the AC queues are empty. The AGG queues are
1240 * empty too. We already got all the Tx responses for all the
1241 * packets in the queues. The drain work can have been
1242 * triggered. Flush it.
1244 flush_work(&mvm->sta_drained_wk);
1248 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1249 struct ieee80211_vif *vif)
1251 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1252 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1254 iwl_mvm_prepare_mac_removal(mvm, vif);
1256 mutex_lock(&mvm->mutex);
1258 if (mvm->bf_allowed_vif == mvmvif) {
1259 mvm->bf_allowed_vif = NULL;
1260 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1261 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1264 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1267 * For AP/GO interface, the tear down of the resources allocated to the
1268 * interface is be handled as part of the stop_ap flow.
1270 if (vif->type == NL80211_IFTYPE_AP ||
1271 vif->type == NL80211_IFTYPE_ADHOC) {
1272 #ifdef CONFIG_NL80211_TESTMODE
1273 if (vif == mvm->noa_vif) {
1274 mvm->noa_vif = NULL;
1275 mvm->noa_duration = 0;
1278 iwl_mvm_dealloc_bcast_sta(mvm, vif);
1282 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1283 mvm->p2p_device_vif = NULL;
1284 iwl_mvm_rm_bcast_sta(mvm, vif);
1285 iwl_mvm_binding_remove_vif(mvm, vif);
1286 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1287 mvmvif->phy_ctxt = NULL;
1290 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
1293 iwl_mvm_power_update_mac(mvm);
1294 iwl_mvm_mac_ctxt_remove(mvm, vif);
1297 iwl_mvm_mac_ctxt_release(mvm, vif);
1298 mutex_unlock(&mvm->mutex);
1301 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
1306 struct iwl_mvm_mc_iter_data {
1307 struct iwl_mvm *mvm;
1311 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1312 struct ieee80211_vif *vif)
1314 struct iwl_mvm_mc_iter_data *data = _data;
1315 struct iwl_mvm *mvm = data->mvm;
1316 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1319 /* if we don't have free ports, mcast frames will be dropped */
1320 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1323 if (vif->type != NL80211_IFTYPE_STATION ||
1324 !vif->bss_conf.assoc)
1327 cmd->port_id = data->port_id++;
1328 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1329 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1331 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
1333 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1336 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1338 struct iwl_mvm_mc_iter_data iter_data = {
1342 lockdep_assert_held(&mvm->mutex);
1344 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1347 ieee80211_iterate_active_interfaces_atomic(
1348 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1349 iwl_mvm_mc_iface_iterator, &iter_data);
1352 static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1353 struct netdev_hw_addr_list *mc_list)
1355 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1356 struct iwl_mcast_filter_cmd *cmd;
1357 struct netdev_hw_addr *addr;
1362 addr_count = netdev_hw_addr_list_count(mc_list);
1363 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1364 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1368 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1369 cmd = kzalloc(len, GFP_ATOMIC);
1375 return (u64)(unsigned long)cmd;
1378 netdev_hw_addr_list_for_each(addr, mc_list) {
1379 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1380 cmd->count, addr->addr);
1381 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1382 addr->addr, ETH_ALEN);
1386 return (u64)(unsigned long)cmd;
1389 static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1390 unsigned int changed_flags,
1391 unsigned int *total_flags,
1394 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1395 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
1397 mutex_lock(&mvm->mutex);
1399 /* replace previous configuration */
1400 kfree(mvm->mcast_filter_cmd);
1401 mvm->mcast_filter_cmd = cmd;
1406 iwl_mvm_recalc_multicast(mvm);
1408 mutex_unlock(&mvm->mutex);
1412 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1413 struct iwl_bcast_iter_data {
1414 struct iwl_mvm *mvm;
1415 struct iwl_bcast_filter_cmd *cmd;
1420 iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1421 const struct iwl_fw_bcast_filter *in_filter,
1422 struct iwl_fw_bcast_filter *out_filter)
1424 struct iwl_fw_bcast_filter_attr *attr;
1427 memcpy(out_filter, in_filter, sizeof(*out_filter));
1429 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1430 attr = &out_filter->attrs[i];
1435 switch (attr->reserved1) {
1436 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1437 if (vif->bss_conf.arp_addr_cnt != 1) {
1442 attr->val = vif->bss_conf.arp_addr_list[0];
1444 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1445 attr->val = *(__be32 *)&vif->addr[2];
1450 attr->reserved1 = 0;
1451 out_filter->num_attrs++;
1455 static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1456 struct ieee80211_vif *vif)
1458 struct iwl_bcast_iter_data *data = _data;
1459 struct iwl_mvm *mvm = data->mvm;
1460 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1461 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1462 struct iwl_fw_bcast_mac *bcast_mac;
1465 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1468 bcast_mac = &cmd->macs[mvmvif->id];
1471 * enable filtering only for associated stations, but not for P2P
1474 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1475 !vif->bss_conf.assoc)
1478 bcast_mac->default_discard = 1;
1480 /* copy all configured filters */
1481 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1483 * Make sure we don't exceed our filters limit.
1484 * if there is still a valid filter to be configured,
1485 * be on the safe side and just allow bcast for this mac.
1487 if (WARN_ON_ONCE(data->current_filter >=
1488 ARRAY_SIZE(cmd->filters))) {
1489 bcast_mac->default_discard = 0;
1490 bcast_mac->attached_filters = 0;
1494 iwl_mvm_set_bcast_filter(vif,
1495 &mvm->bcast_filters[i],
1496 &cmd->filters[data->current_filter]);
1498 /* skip current filter if it contains no attributes */
1499 if (!cmd->filters[data->current_filter].num_attrs)
1502 /* attach the filter to current mac */
1503 bcast_mac->attached_filters |=
1504 cpu_to_le16(BIT(data->current_filter));
1506 data->current_filter++;
1510 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1511 struct iwl_bcast_filter_cmd *cmd)
1513 struct iwl_bcast_iter_data iter_data = {
1518 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1521 memset(cmd, 0, sizeof(*cmd));
1522 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1523 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1525 #ifdef CONFIG_IWLWIFI_DEBUGFS
1526 /* use debugfs filters/macs if override is configured */
1527 if (mvm->dbgfs_bcast_filtering.override) {
1528 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1529 sizeof(cmd->filters));
1530 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1536 /* if no filters are configured, do nothing */
1537 if (!mvm->bcast_filters)
1540 /* configure and attach these filters for each associated sta vif */
1541 ieee80211_iterate_active_interfaces(
1542 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1543 iwl_mvm_bcast_filter_iterator, &iter_data);
1547 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1548 struct ieee80211_vif *vif)
1550 struct iwl_bcast_filter_cmd cmd;
1552 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1555 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1558 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1562 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
1563 struct ieee80211_vif *vif)
1569 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1570 struct ieee80211_vif *vif,
1571 struct ieee80211_bss_conf *bss_conf,
1574 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1578 * Re-calculate the tsf id, as the master-slave relations depend on the
1579 * beacon interval, which was not known when the station interface was
1582 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1583 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1586 * If we're not associated yet, take the (new) BSSID before associating
1587 * so the firmware knows. If we're already associated, then use the old
1588 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1589 * branch for disassociation below.
1591 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1592 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1594 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
1596 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1598 /* after sending it once, adopt mac80211 data */
1599 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1600 mvmvif->associated = bss_conf->assoc;
1602 if (changes & BSS_CHANGED_ASSOC) {
1603 if (bss_conf->assoc) {
1604 /* add quota for this interface */
1605 ret = iwl_mvm_update_quotas(mvm, NULL);
1607 IWL_ERR(mvm, "failed to update quotas\n");
1611 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1614 * If we're restarting then the firmware will
1615 * obviously have lost synchronisation with
1616 * the AP. It will attempt to synchronise by
1617 * itself, but we can make it more reliable by
1618 * scheduling a session protection time event.
1620 * The firmware needs to receive a beacon to
1621 * catch up with synchronisation, use 110% of
1622 * the beacon interval.
1624 * Set a large maximum delay to allow for more
1625 * than a single interface.
1627 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1628 iwl_mvm_protect_session(mvm, vif, dur, dur,
1632 iwl_mvm_sf_update(mvm, vif, false);
1633 iwl_mvm_power_vif_assoc(mvm, vif);
1635 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
1636 iwl_mvm_update_smps(mvm, vif,
1637 IWL_MVM_SMPS_REQ_PROT,
1638 IEEE80211_SMPS_DYNAMIC);
1640 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1642 * If update fails - SF might be running in associated
1643 * mode while disassociated - which is forbidden.
1645 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1646 "Failed to update SF upon disassociation\n");
1648 /* remove AP station now that the MAC is unassoc */
1649 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1651 IWL_ERR(mvm, "failed to remove AP station\n");
1653 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1654 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1655 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1656 /* remove quota for this interface */
1657 ret = iwl_mvm_update_quotas(mvm, NULL);
1659 IWL_ERR(mvm, "failed to update quotas\n");
1662 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
1664 /* this will take the cleared BSSID from bss_conf */
1665 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1668 "failed to update MAC %pM (clear after unassoc)\n",
1672 iwl_mvm_recalc_multicast(mvm);
1673 iwl_mvm_configure_bcast_filter(mvm, vif);
1675 /* reset rssi values */
1676 mvmvif->bf_data.ave_beacon_signal = 0;
1678 iwl_mvm_bt_coex_vif_change(mvm);
1679 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1680 IEEE80211_SMPS_AUTOMATIC);
1681 } else if (changes & BSS_CHANGED_BEACON_INFO) {
1683 * We received a beacon _after_ association so
1684 * remove the session protection.
1686 iwl_mvm_remove_time_event(mvm, mvmvif,
1687 &mvmvif->time_event_data);
1690 if (changes & BSS_CHANGED_BEACON_INFO) {
1691 iwl_mvm_sf_update(mvm, vif, false);
1692 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1695 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1696 ret = iwl_mvm_power_update_mac(mvm);
1698 IWL_ERR(mvm, "failed to update power mode\n");
1701 if (changes & BSS_CHANGED_TXPOWER) {
1702 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1704 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1707 if (changes & BSS_CHANGED_CQM) {
1708 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
1709 /* reset cqm events tracking */
1710 mvmvif->bf_data.last_cqm_event = 0;
1711 if (mvmvif->bf_data.bf_enabled) {
1712 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1715 "failed to update CQM thresholds\n");
1719 if (changes & BSS_CHANGED_ARP_FILTER) {
1720 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
1721 iwl_mvm_configure_bcast_filter(mvm, vif);
1725 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1726 struct ieee80211_vif *vif)
1728 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1729 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1733 * iwl_mvm_mac_ctxt_add() might read directly from the device
1734 * (the system time), so make sure it is available.
1736 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1740 mutex_lock(&mvm->mutex);
1742 /* Send the beacon template */
1743 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1748 * Re-calculate the tsf id, as the master-slave relations depend on the
1749 * beacon interval, which was not known when the AP interface was added.
1751 if (vif->type == NL80211_IFTYPE_AP)
1752 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1754 /* Add the mac context */
1755 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1759 /* Perform the binding */
1760 ret = iwl_mvm_binding_add_vif(mvm, vif);
1764 /* Send the bcast station. At this stage the TBTT and DTIM time events
1765 * are added and applied to the scheduler */
1766 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
1770 /* must be set before quota calculations */
1771 mvmvif->ap_ibss_active = true;
1773 /* power updated needs to be done before quotas */
1774 iwl_mvm_power_update_mac(mvm);
1776 ret = iwl_mvm_update_quotas(mvm, NULL);
1778 goto out_quota_failed;
1780 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1781 if (vif->p2p && mvm->p2p_device_vif)
1782 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
1784 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
1786 iwl_mvm_bt_coex_vif_change(mvm);
1788 /* we don't support TDLS during DCM */
1789 if (iwl_mvm_phy_ctx_count(mvm) > 1)
1790 iwl_mvm_teardown_tdls_peers(mvm);
1792 mutex_unlock(&mvm->mutex);
1796 iwl_mvm_power_update_mac(mvm);
1797 mvmvif->ap_ibss_active = false;
1798 iwl_mvm_send_rm_bcast_sta(mvm, vif);
1800 iwl_mvm_binding_remove_vif(mvm, vif);
1802 iwl_mvm_mac_ctxt_remove(mvm, vif);
1804 mutex_unlock(&mvm->mutex);
1805 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
1809 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
1810 struct ieee80211_vif *vif)
1812 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1813 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1815 iwl_mvm_prepare_mac_removal(mvm, vif);
1817 mutex_lock(&mvm->mutex);
1819 /* Handle AP stop while in CSA */
1820 if (rcu_access_pointer(mvm->csa_vif) == vif) {
1821 iwl_mvm_remove_time_event(mvm, mvmvif,
1822 &mvmvif->time_event_data);
1823 RCU_INIT_POINTER(mvm->csa_vif, NULL);
1826 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
1827 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
1828 mvm->csa_tx_block_bcn_timeout = 0;
1831 mvmvif->ap_ibss_active = false;
1832 mvm->ap_last_beacon_gp2 = 0;
1834 iwl_mvm_bt_coex_vif_change(mvm);
1836 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
1838 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
1839 if (vif->p2p && mvm->p2p_device_vif)
1840 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
1842 iwl_mvm_update_quotas(mvm, NULL);
1843 iwl_mvm_send_rm_bcast_sta(mvm, vif);
1844 iwl_mvm_binding_remove_vif(mvm, vif);
1846 iwl_mvm_power_update_mac(mvm);
1848 iwl_mvm_mac_ctxt_remove(mvm, vif);
1850 mutex_unlock(&mvm->mutex);
1854 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
1855 struct ieee80211_vif *vif,
1856 struct ieee80211_bss_conf *bss_conf,
1859 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1861 /* Changes will be applied when the AP/IBSS is started */
1862 if (!mvmvif->ap_ibss_active)
1865 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
1866 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
1867 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
1868 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1870 /* Need to send a new beacon template to the FW */
1871 if (changes & BSS_CHANGED_BEACON &&
1872 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
1873 IWL_WARN(mvm, "Failed updating beacon data\n");
1875 if (changes & BSS_CHANGED_TXPOWER) {
1876 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1878 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1883 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
1884 struct ieee80211_vif *vif,
1885 struct ieee80211_bss_conf *bss_conf,
1888 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1891 * iwl_mvm_bss_info_changed_station() might call
1892 * iwl_mvm_protect_session(), which reads directly from
1893 * the device (the system time), so make sure it is available.
1895 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
1898 mutex_lock(&mvm->mutex);
1900 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
1901 iwl_mvm_scan_offload_stop(mvm, true);
1903 switch (vif->type) {
1904 case NL80211_IFTYPE_STATION:
1905 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
1907 case NL80211_IFTYPE_AP:
1908 case NL80211_IFTYPE_ADHOC:
1909 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
1912 /* shouldn't happen */
1916 mutex_unlock(&mvm->mutex);
1917 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
1920 static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
1921 enum iwl_scan_status scan_type)
1924 bool wait_for_handlers = false;
1926 mutex_lock(&mvm->mutex);
1928 if (mvm->scan_status != scan_type) {
1930 /* make sure there are no pending notifications */
1931 wait_for_handlers = true;
1935 switch (scan_type) {
1936 case IWL_MVM_SCAN_SCHED:
1937 ret = iwl_mvm_scan_offload_stop(mvm, true);
1939 case IWL_MVM_SCAN_OS:
1940 ret = iwl_mvm_cancel_scan(mvm);
1942 case IWL_MVM_SCAN_NONE:
1951 wait_for_handlers = true;
1953 mutex_unlock(&mvm->mutex);
1955 /* make sure we consume the completion notification */
1956 if (wait_for_handlers)
1957 iwl_mvm_wait_for_async_handlers(mvm);
1961 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
1962 struct ieee80211_vif *vif,
1963 struct ieee80211_scan_request *hw_req)
1965 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1966 struct cfg80211_scan_request *req = &hw_req->req;
1969 if (req->n_channels == 0 ||
1970 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
1973 if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1974 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
1979 mutex_lock(&mvm->mutex);
1981 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
1986 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
1988 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
1989 ret = iwl_mvm_scan_umac(mvm, vif, hw_req);
1990 else if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
1991 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
1993 ret = iwl_mvm_scan_request(mvm, vif, req);
1996 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
1998 mutex_unlock(&mvm->mutex);
2002 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2003 struct ieee80211_vif *vif)
2005 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2007 mutex_lock(&mvm->mutex);
2009 iwl_mvm_cancel_scan(mvm);
2011 mutex_unlock(&mvm->mutex);
2015 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
2016 struct ieee80211_sta *sta, u16 tids,
2018 enum ieee80211_frame_release_type reason,
2021 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2023 /* Called when we need to transmit (a) frame(s) from mac80211 */
2025 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2026 tids, more_data, false);
2030 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2031 struct ieee80211_sta *sta, u16 tids,
2033 enum ieee80211_frame_release_type reason,
2036 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2038 /* Called when we need to transmit (a) frame(s) from agg queue */
2040 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2041 tids, more_data, true);
2044 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2045 struct ieee80211_vif *vif,
2046 enum sta_notify_cmd cmd,
2047 struct ieee80211_sta *sta)
2049 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2050 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
2054 case STA_NOTIFY_SLEEP:
2055 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
2056 ieee80211_sta_block_awake(hw, sta, true);
2057 spin_lock_bh(&mvmsta->lock);
2058 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2059 struct iwl_mvm_tid_data *tid_data;
2061 tid_data = &mvmsta->tid_data[tid];
2062 if (tid_data->state != IWL_AGG_ON &&
2063 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
2065 if (iwl_mvm_tid_queued(tid_data) == 0)
2067 ieee80211_sta_set_buffered(sta, tid, true);
2069 spin_unlock_bh(&mvmsta->lock);
2071 * The fw updates the STA to be asleep. Tx packets on the Tx
2072 * queues to this station will not be transmitted. The fw will
2073 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2076 case STA_NOTIFY_AWAKE:
2077 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
2079 iwl_mvm_sta_modify_ps_wake(mvm, sta);
2086 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2087 struct ieee80211_vif *vif,
2088 struct ieee80211_sta *sta)
2090 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2091 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
2094 * This is called before mac80211 does RCU synchronisation,
2095 * so here we already invalidate our internal RCU-protected
2096 * station pointer. The rest of the code will thus no longer
2097 * be able to find the station this way, and we don't rely
2098 * on further RCU synchronisation after the sta_state()
2099 * callback deleted the station.
2101 mutex_lock(&mvm->mutex);
2102 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2103 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2105 mutex_unlock(&mvm->mutex);
2108 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2109 struct ieee80211_vif *vif,
2110 struct ieee80211_sta *sta,
2111 enum ieee80211_sta_state old_state,
2112 enum ieee80211_sta_state new_state)
2114 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2115 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2118 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2119 sta->addr, old_state, new_state);
2121 /* this would be a mac80211 bug ... but don't crash */
2122 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2125 /* if a STA is being removed, reuse its ID */
2126 flush_work(&mvm->sta_drained_wk);
2128 mutex_lock(&mvm->mutex);
2129 if (old_state == IEEE80211_STA_NOTEXIST &&
2130 new_state == IEEE80211_STA_NONE) {
2132 * Firmware bug - it'll crash if the beacon interval is less
2133 * than 16. We can't avoid connecting at all, so refuse the
2134 * station state change, this will cause mac80211 to abandon
2135 * attempts to connect to this AP, and eventually wpa_s will
2136 * blacklist the AP...
2138 if (vif->type == NL80211_IFTYPE_STATION &&
2139 vif->bss_conf.beacon_int < 16) {
2141 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2142 sta->addr, vif->bss_conf.beacon_int);
2149 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2150 IWL_MVM_TDLS_STA_COUNT ||
2151 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2152 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2157 ret = iwl_mvm_add_sta(mvm, vif, sta);
2158 if (sta->tdls && ret == 0)
2159 iwl_mvm_recalc_tdls_state(mvm, vif, true);
2160 } else if (old_state == IEEE80211_STA_NONE &&
2161 new_state == IEEE80211_STA_AUTH) {
2163 * EBS may be disabled due to previous failures reported by FW.
2164 * Reset EBS status here assuming environment has been changed.
2166 mvm->last_ebs_successful = true;
2168 } else if (old_state == IEEE80211_STA_AUTH &&
2169 new_state == IEEE80211_STA_ASSOC) {
2170 ret = iwl_mvm_update_sta(mvm, vif, sta);
2172 iwl_mvm_rs_rate_init(mvm, sta,
2173 mvmvif->phy_ctxt->channel->band,
2175 } else if (old_state == IEEE80211_STA_ASSOC &&
2176 new_state == IEEE80211_STA_AUTHORIZED) {
2178 /* we don't support TDLS during DCM */
2179 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2180 iwl_mvm_teardown_tdls_peers(mvm);
2182 /* enable beacon filtering */
2183 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
2185 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2186 new_state == IEEE80211_STA_ASSOC) {
2187 /* disable beacon filtering */
2188 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
2190 } else if (old_state == IEEE80211_STA_ASSOC &&
2191 new_state == IEEE80211_STA_AUTH) {
2193 } else if (old_state == IEEE80211_STA_AUTH &&
2194 new_state == IEEE80211_STA_NONE) {
2196 } else if (old_state == IEEE80211_STA_NONE &&
2197 new_state == IEEE80211_STA_NOTEXIST) {
2198 ret = iwl_mvm_rm_sta(mvm, vif, sta);
2200 iwl_mvm_recalc_tdls_state(mvm, vif, false);
2205 mutex_unlock(&mvm->mutex);
2207 if (sta->tdls && ret == 0) {
2208 if (old_state == IEEE80211_STA_NOTEXIST &&
2209 new_state == IEEE80211_STA_NONE)
2210 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2211 else if (old_state == IEEE80211_STA_NONE &&
2212 new_state == IEEE80211_STA_NOTEXIST)
2213 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2219 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2221 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2223 mvm->rts_threshold = value;
2228 static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2229 struct ieee80211_vif *vif,
2230 struct ieee80211_sta *sta, u32 changed)
2232 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2234 if (vif->type == NL80211_IFTYPE_STATION &&
2235 changed & IEEE80211_RC_NSS_CHANGED)
2236 iwl_mvm_sf_update(mvm, vif, false);
2239 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2240 struct ieee80211_vif *vif, u16 ac,
2241 const struct ieee80211_tx_queue_params *params)
2243 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2244 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2246 mvmvif->queue_params[ac] = *params;
2249 * No need to update right away, we'll get BSS_CHANGED_QOS
2250 * The exception is P2P_DEVICE interface which needs immediate update.
2252 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2255 mutex_lock(&mvm->mutex);
2256 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2257 mutex_unlock(&mvm->mutex);
2263 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2264 struct ieee80211_vif *vif)
2266 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2267 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2268 200 + vif->bss_conf.beacon_int);
2269 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2270 100 + vif->bss_conf.beacon_int);
2272 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2276 * iwl_mvm_protect_session() reads directly from the device
2277 * (the system time), so make sure it is available.
2279 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2282 mutex_lock(&mvm->mutex);
2283 /* Try really hard to protect the session and hear a beacon */
2284 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
2285 mutex_unlock(&mvm->mutex);
2287 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
2290 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2291 struct ieee80211_vif *vif,
2292 struct cfg80211_sched_scan_request *req,
2293 struct ieee80211_scan_ies *ies)
2295 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2298 if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
2299 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2304 mutex_lock(&mvm->mutex);
2306 /* Newest FW fixes sched scan while connected on another interface */
2307 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
2308 if (!vif->bss_conf.idle) {
2312 } else if (!iwl_mvm_is_idle(mvm)) {
2317 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
2322 ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies);
2324 mvm->scan_status = IWL_MVM_SCAN_NONE;
2327 mutex_unlock(&mvm->mutex);
2331 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2332 struct ieee80211_vif *vif)
2334 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2337 mutex_lock(&mvm->mutex);
2338 ret = iwl_mvm_scan_offload_stop(mvm, false);
2339 mutex_unlock(&mvm->mutex);
2340 iwl_mvm_wait_for_async_handlers(mvm);
2346 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2347 enum set_key_cmd cmd,
2348 struct ieee80211_vif *vif,
2349 struct ieee80211_sta *sta,
2350 struct ieee80211_key_conf *key)
2352 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2355 if (iwlwifi_mod_params.sw_crypto) {
2356 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2360 switch (key->cipher) {
2361 case WLAN_CIPHER_SUITE_TKIP:
2362 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2364 case WLAN_CIPHER_SUITE_CCMP:
2365 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2367 case WLAN_CIPHER_SUITE_AES_CMAC:
2368 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2370 case WLAN_CIPHER_SUITE_WEP40:
2371 case WLAN_CIPHER_SUITE_WEP104:
2372 /* For non-client mode, only use WEP keys for TX as we probably
2373 * don't have a station yet anyway and would then have to keep
2374 * track of the keys, linking them to each of the clients/peers
2375 * as they appear. For now, don't do that, for performance WEP
2376 * offload doesn't really matter much, but we need it for some
2377 * other offload features in client mode.
2379 if (vif->type != NL80211_IFTYPE_STATION)
2383 /* currently FW supports only one optional cipher scheme */
2384 if (hw->n_cipher_schemes &&
2385 hw->cipher_schemes->cipher == key->cipher)
2386 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2391 mutex_lock(&mvm->mutex);
2395 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2396 vif->type == NL80211_IFTYPE_AP) && !sta) {
2398 * GTK on AP interface is a TX-only key, return 0;
2399 * on IBSS they're per-station and because we're lazy
2400 * we don't support them for RX, so do the same.
2403 key->hw_key_idx = STA_KEY_IDX_INVALID;
2407 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2408 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2410 IWL_WARN(mvm, "set key failed\n");
2412 * can't add key for RX, but we don't need it
2413 * in the device for TX so still return 0
2415 key->hw_key_idx = STA_KEY_IDX_INVALID;
2421 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2426 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2427 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2433 mutex_unlock(&mvm->mutex);
2437 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2438 struct ieee80211_vif *vif,
2439 struct ieee80211_key_conf *keyconf,
2440 struct ieee80211_sta *sta,
2441 u32 iv32, u16 *phase1key)
2443 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2445 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2448 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2452 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2453 struct iwl_rx_packet *pkt, void *data)
2455 struct iwl_mvm *mvm =
2456 container_of(notif_wait, struct iwl_mvm, notif_wait);
2457 struct iwl_hs20_roc_res *resp;
2458 int resp_len = iwl_rx_packet_payload_len(pkt);
2459 struct iwl_mvm_time_event_data *te_data = data;
2461 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2464 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2465 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2469 resp = (void *)pkt->data;
2472 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2473 resp->status, resp->event_unique_id);
2475 te_data->uid = le32_to_cpu(resp->event_unique_id);
2476 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2479 spin_lock_bh(&mvm->time_event_lock);
2480 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2481 spin_unlock_bh(&mvm->time_event_lock);
2486 #define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
2487 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2488 struct ieee80211_channel *channel,
2489 struct ieee80211_vif *vif,
2492 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2493 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2494 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2495 static const u8 time_event_response[] = { HOT_SPOT_CMD };
2496 struct iwl_notification_wait wait_time_event;
2497 struct iwl_hs20_roc_req aux_roc_req = {
2498 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2500 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2501 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2502 /* Set the channel info data */
2503 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2504 PHY_BAND_24 : PHY_BAND_5,
2505 .channel_info.channel = channel->hw_value,
2506 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2507 /* Set the time and duration */
2508 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2509 .apply_time_max_delay =
2510 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
2511 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
2514 /* Set the node address */
2515 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2517 lockdep_assert_held(&mvm->mutex);
2519 spin_lock_bh(&mvm->time_event_lock);
2521 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
2522 spin_unlock_bh(&mvm->time_event_lock);
2527 te_data->duration = duration;
2528 te_data->id = HOT_SPOT_CMD;
2530 spin_unlock_bh(&mvm->time_event_lock);
2533 * Use a notification wait, which really just processes the
2534 * command response and doesn't wait for anything, in order
2535 * to be able to process the response and get the UID inside
2536 * the RX path. Using CMD_WANT_SKB doesn't work because it
2537 * stores the buffer and then wakes up this thread, by which
2538 * time another notification (that the time event started)
2539 * might already be processed unsuccessfully.
2541 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2542 time_event_response,
2543 ARRAY_SIZE(time_event_response),
2544 iwl_mvm_rx_aux_roc, te_data);
2546 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2550 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2551 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2555 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2556 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2557 /* should never fail */
2562 spin_lock_bh(&mvm->time_event_lock);
2563 iwl_mvm_te_clear_data(mvm, te_data);
2564 spin_unlock_bh(&mvm->time_event_lock);
2570 static int iwl_mvm_roc(struct ieee80211_hw *hw,
2571 struct ieee80211_vif *vif,
2572 struct ieee80211_channel *channel,
2574 enum ieee80211_roc_type type)
2576 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2577 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2578 struct cfg80211_chan_def chandef;
2579 struct iwl_mvm_phy_ctxt *phy_ctxt;
2582 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2585 mutex_lock(&mvm->mutex);
2587 switch (vif->type) {
2588 case NL80211_IFTYPE_STATION:
2589 if (mvm->fw->ucode_capa.capa[0] &
2590 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) {
2591 /* Use aux roc framework (HS20) */
2592 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2596 IWL_ERR(mvm, "hotspot not supported\n");
2599 case NL80211_IFTYPE_P2P_DEVICE:
2603 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
2608 for (i = 0; i < NUM_PHY_CTX; i++) {
2609 phy_ctxt = &mvm->phy_ctxts[i];
2610 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2613 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2615 * Unbind the P2P_DEVICE from the current PHY context,
2616 * and if the PHY context is not used remove it.
2618 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2619 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2622 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2624 /* Bind the P2P_DEVICE to the current PHY Context */
2625 mvmvif->phy_ctxt = phy_ctxt;
2627 ret = iwl_mvm_binding_add_vif(mvm, vif);
2628 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2631 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2632 goto schedule_time_event;
2636 /* Need to update the PHY context only if the ROC channel changed */
2637 if (channel == mvmvif->phy_ctxt->channel)
2638 goto schedule_time_event;
2640 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
2643 * Change the PHY context configuration as it is currently referenced
2644 * only by the P2P Device MAC
2646 if (mvmvif->phy_ctxt->ref == 1) {
2647 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
2653 * The PHY context is shared with other MACs. Need to remove the
2654 * P2P Device from the binding, allocate an new PHY context and
2655 * create a new binding
2657 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2663 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
2666 IWL_ERR(mvm, "Failed to change PHY context\n");
2670 /* Unbind the P2P_DEVICE from the current PHY context */
2671 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2672 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2675 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2677 /* Bind the P2P_DEVICE to the new allocated PHY context */
2678 mvmvif->phy_ctxt = phy_ctxt;
2680 ret = iwl_mvm_binding_add_vif(mvm, vif);
2681 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2684 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2687 schedule_time_event:
2688 /* Schedule the time events */
2689 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
2692 mutex_unlock(&mvm->mutex);
2693 IWL_DEBUG_MAC80211(mvm, "leave\n");
2697 static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
2699 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2701 IWL_DEBUG_MAC80211(mvm, "enter\n");
2703 mutex_lock(&mvm->mutex);
2704 iwl_mvm_stop_roc(mvm);
2705 mutex_unlock(&mvm->mutex);
2707 IWL_DEBUG_MAC80211(mvm, "leave\n");
2711 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
2712 struct ieee80211_chanctx_conf *ctx)
2714 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2715 struct iwl_mvm_phy_ctxt *phy_ctxt;
2718 lockdep_assert_held(&mvm->mutex);
2720 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
2722 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
2728 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
2729 ctx->rx_chains_static,
2730 ctx->rx_chains_dynamic);
2732 IWL_ERR(mvm, "Failed to add PHY context\n");
2736 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
2737 *phy_ctxt_id = phy_ctxt->id;
2742 static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
2743 struct ieee80211_chanctx_conf *ctx)
2745 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2748 mutex_lock(&mvm->mutex);
2749 ret = __iwl_mvm_add_chanctx(mvm, ctx);
2750 mutex_unlock(&mvm->mutex);
2755 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
2756 struct ieee80211_chanctx_conf *ctx)
2758 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2759 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2761 lockdep_assert_held(&mvm->mutex);
2763 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
2766 static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
2767 struct ieee80211_chanctx_conf *ctx)
2769 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2771 mutex_lock(&mvm->mutex);
2772 __iwl_mvm_remove_chanctx(mvm, ctx);
2773 mutex_unlock(&mvm->mutex);
2776 static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
2777 struct ieee80211_chanctx_conf *ctx,
2780 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2781 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2782 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2784 if (WARN_ONCE((phy_ctxt->ref > 1) &&
2785 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
2786 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
2787 IEEE80211_CHANCTX_CHANGE_RADAR |
2788 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
2789 "Cannot change PHY. Ref=%d, changed=0x%X\n",
2790 phy_ctxt->ref, changed))
2793 mutex_lock(&mvm->mutex);
2794 iwl_mvm_bt_coex_vif_change(mvm);
2795 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
2796 ctx->rx_chains_static,
2797 ctx->rx_chains_dynamic);
2798 mutex_unlock(&mvm->mutex);
2801 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
2802 struct ieee80211_vif *vif,
2803 struct ieee80211_chanctx_conf *ctx,
2804 bool switching_chanctx)
2806 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
2807 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
2808 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2811 lockdep_assert_held(&mvm->mutex);
2813 mvmvif->phy_ctxt = phy_ctxt;
2815 switch (vif->type) {
2816 case NL80211_IFTYPE_AP:
2817 /* only needed if we're switching chanctx (i.e. during CSA) */
2818 if (switching_chanctx) {
2819 mvmvif->ap_ibss_active = true;
2822 case NL80211_IFTYPE_ADHOC:
2824 * The AP binding flow is handled as part of the start_ap flow
2825 * (in bss_info_changed), similarly for IBSS.
2829 case NL80211_IFTYPE_STATION:
2831 case NL80211_IFTYPE_MONITOR:
2832 /* always disable PS when a monitor interface is active */
2833 mvmvif->ps_disabled = true;
2840 ret = iwl_mvm_binding_add_vif(mvm, vif);
2845 * Power state must be updated before quotas,
2846 * otherwise fw will complain.
2848 iwl_mvm_power_update_mac(mvm);
2850 /* Setting the quota at this stage is only required for monitor
2851 * interfaces. For the other types, the bss_info changed flow
2852 * will handle quota settings.
2854 if (vif->type == NL80211_IFTYPE_MONITOR) {
2855 mvmvif->monitor_active = true;
2856 ret = iwl_mvm_update_quotas(mvm, NULL);
2858 goto out_remove_binding;
2861 /* Handle binding during CSA */
2862 if (vif->type == NL80211_IFTYPE_AP) {
2863 iwl_mvm_update_quotas(mvm, NULL);
2864 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2867 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
2868 u32 duration = 2 * vif->bss_conf.beacon_int;
2870 /* iwl_mvm_protect_session() reads directly from the
2871 * device (the system time), so make sure it is
2874 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
2876 goto out_remove_binding;
2878 /* Protect the session to make sure we hear the first
2879 * beacon on the new channel.
2881 iwl_mvm_protect_session(mvm, vif, duration, duration,
2882 vif->bss_conf.beacon_int / 2,
2885 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
2887 iwl_mvm_update_quotas(mvm, NULL);
2893 iwl_mvm_binding_remove_vif(mvm, vif);
2894 iwl_mvm_power_update_mac(mvm);
2897 mvmvif->phy_ctxt = NULL;
2900 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
2901 struct ieee80211_vif *vif,
2902 struct ieee80211_chanctx_conf *ctx)
2904 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2907 mutex_lock(&mvm->mutex);
2908 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
2909 mutex_unlock(&mvm->mutex);
2914 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
2915 struct ieee80211_vif *vif,
2916 struct ieee80211_chanctx_conf *ctx,
2917 bool switching_chanctx)
2919 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2920 struct ieee80211_vif *disabled_vif = NULL;
2922 lockdep_assert_held(&mvm->mutex);
2924 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
2926 switch (vif->type) {
2927 case NL80211_IFTYPE_ADHOC:
2929 case NL80211_IFTYPE_MONITOR:
2930 mvmvif->monitor_active = false;
2931 mvmvif->ps_disabled = false;
2933 case NL80211_IFTYPE_AP:
2934 /* This part is triggered only during CSA */
2935 if (!switching_chanctx || !mvmvif->ap_ibss_active)
2938 mvmvif->csa_countdown = false;
2940 /* Set CS bit on all the stations */
2941 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
2943 /* Save blocked iface, the timeout is set on the next beacon */
2944 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
2946 mvmvif->ap_ibss_active = false;
2948 case NL80211_IFTYPE_STATION:
2949 if (!switching_chanctx)
2954 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
2960 iwl_mvm_update_quotas(mvm, disabled_vif);
2961 iwl_mvm_binding_remove_vif(mvm, vif);
2964 mvmvif->phy_ctxt = NULL;
2965 iwl_mvm_power_update_mac(mvm);
2968 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
2969 struct ieee80211_vif *vif,
2970 struct ieee80211_chanctx_conf *ctx)
2972 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2974 mutex_lock(&mvm->mutex);
2975 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
2976 mutex_unlock(&mvm->mutex);
2980 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
2981 struct ieee80211_vif_chanctx_switch *vifs)
2985 mutex_lock(&mvm->mutex);
2986 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
2987 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
2989 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
2991 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
2995 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
2999 "failed to assign new_ctx during channel switch\n");
3003 /* we don't support TDLS during DCM - can be caused by channel switch */
3004 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3005 iwl_mvm_teardown_tdls_peers(mvm);
3010 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
3013 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
3014 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
3018 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3020 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3027 /* things keep failing, better restart the hw */
3028 iwl_mvm_nic_restart(mvm, false);
3031 mutex_unlock(&mvm->mutex);
3037 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
3038 struct ieee80211_vif_chanctx_switch *vifs)
3042 mutex_lock(&mvm->mutex);
3043 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3045 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3049 "failed to assign new_ctx during channel switch\n");
3056 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3058 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3065 /* things keep failing, better restart the hw */
3066 iwl_mvm_nic_restart(mvm, false);
3069 mutex_unlock(&mvm->mutex);
3074 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
3075 struct ieee80211_vif_chanctx_switch *vifs,
3077 enum ieee80211_chanctx_switch_mode mode)
3079 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3082 /* we only support a single-vif right now */
3087 case CHANCTX_SWMODE_SWAP_CONTEXTS:
3088 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
3090 case CHANCTX_SWMODE_REASSIGN_VIF:
3091 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
3101 static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
3102 struct ieee80211_sta *sta,
3105 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3106 struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv;
3108 if (!mvm_sta || !mvm_sta->vif) {
3109 IWL_ERR(mvm, "Station is not associated to a vif\n");
3113 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
3116 #ifdef CONFIG_NL80211_TESTMODE
3117 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
3118 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
3119 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
3120 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
3123 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
3124 struct ieee80211_vif *vif,
3125 void *data, int len)
3127 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
3131 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
3135 if (!tb[IWL_MVM_TM_ATTR_CMD])
3138 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
3139 case IWL_MVM_TM_CMD_SET_NOA:
3140 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
3141 !vif->bss_conf.enable_beacon ||
3142 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
3145 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
3146 if (noa_duration >= vif->bss_conf.beacon_int)
3149 mvm->noa_duration = noa_duration;
3152 return iwl_mvm_update_quotas(mvm, NULL);
3153 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3154 /* must be associated client vif - ignore authorized */
3155 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3156 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3157 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3160 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
3161 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3162 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3168 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3169 struct ieee80211_vif *vif,
3170 void *data, int len)
3172 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3175 mutex_lock(&mvm->mutex);
3176 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3177 mutex_unlock(&mvm->mutex);
3183 static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
3184 struct ieee80211_vif *vif,
3185 struct ieee80211_channel_switch *chsw)
3187 /* By implementing this operation, we prevent mac80211 from
3188 * starting its own channel switch timer, so that we can call
3189 * ieee80211_chswitch_done() ourselves at the right time
3190 * (which is when the absence time event starts).
3193 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
3194 "dummy channel switch op\n");
3197 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
3198 struct ieee80211_vif *vif,
3199 struct ieee80211_channel_switch *chsw)
3201 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3202 struct ieee80211_vif *csa_vif;
3203 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3207 mutex_lock(&mvm->mutex);
3209 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
3210 chsw->chandef.center_freq1);
3212 switch (vif->type) {
3213 case NL80211_IFTYPE_AP:
3215 rcu_dereference_protected(mvm->csa_vif,
3216 lockdep_is_held(&mvm->mutex));
3217 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
3218 "Another CSA is already in progress")) {
3223 rcu_assign_pointer(mvm->csa_vif, vif);
3225 if (WARN_ONCE(mvmvif->csa_countdown,
3226 "Previous CSA countdown didn't complete")) {
3232 case NL80211_IFTYPE_STATION:
3233 /* Schedule the time event to a bit before beacon 1,
3234 * to make sure we're in the new channel when the
3237 apply_time = chsw->device_timestamp +
3238 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
3239 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
3242 iwl_mvm_csa_client_absent(mvm, vif);
3244 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
3246 if (mvmvif->bf_data.bf_enabled) {
3247 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3257 mvmvif->ps_disabled = true;
3259 ret = iwl_mvm_power_update_ps(mvm);
3263 /* we won't be on this channel any longer */
3264 iwl_mvm_teardown_tdls_peers(mvm);
3267 mutex_unlock(&mvm->mutex);
3272 static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
3273 struct ieee80211_vif *vif)
3275 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3276 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3279 mutex_lock(&mvm->mutex);
3281 if (vif->type == NL80211_IFTYPE_STATION) {
3282 struct iwl_mvm_sta *mvmsta;
3284 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
3287 if (WARN_ON(!mvmsta)) {
3292 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
3294 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3296 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3300 iwl_mvm_stop_session_protection(mvm, vif);
3303 mvmvif->ps_disabled = false;
3305 ret = iwl_mvm_power_update_ps(mvm);
3308 mutex_unlock(&mvm->mutex);
3313 static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3314 struct ieee80211_vif *vif, u32 queues, bool drop)
3316 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3317 struct iwl_mvm_vif *mvmvif;
3318 struct iwl_mvm_sta *mvmsta;
3319 struct ieee80211_sta *sta;
3323 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3326 mutex_lock(&mvm->mutex);
3327 mvmvif = iwl_mvm_vif_from_mac80211(vif);
3329 /* flush the AP-station and all TDLS peers */
3330 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
3331 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
3332 lockdep_is_held(&mvm->mutex));
3333 if (IS_ERR_OR_NULL(sta))
3336 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3337 if (mvmsta->vif != vif)
3340 /* make sure only TDLS peers or the AP are flushed */
3341 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
3343 msk |= mvmsta->tfd_queue_msk;
3347 if (iwl_mvm_flush_tx_path(mvm, msk, true))
3348 IWL_ERR(mvm, "flush request fail\n");
3349 mutex_unlock(&mvm->mutex);
3351 mutex_unlock(&mvm->mutex);
3353 /* this can take a while, and we may need/want other operations
3354 * to succeed while doing this, so do it without the mutex held
3356 iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
3360 const struct ieee80211_ops iwl_mvm_hw_ops = {
3361 .tx = iwl_mvm_mac_tx,
3362 .ampdu_action = iwl_mvm_mac_ampdu_action,
3363 .start = iwl_mvm_mac_start,
3364 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
3365 .stop = iwl_mvm_mac_stop,
3366 .add_interface = iwl_mvm_mac_add_interface,
3367 .remove_interface = iwl_mvm_mac_remove_interface,
3368 .config = iwl_mvm_mac_config,
3369 .prepare_multicast = iwl_mvm_prepare_multicast,
3370 .configure_filter = iwl_mvm_configure_filter,
3371 .bss_info_changed = iwl_mvm_bss_info_changed,
3372 .hw_scan = iwl_mvm_mac_hw_scan,
3373 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
3374 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
3375 .sta_state = iwl_mvm_mac_sta_state,
3376 .sta_notify = iwl_mvm_mac_sta_notify,
3377 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3378 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
3379 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
3380 .sta_rc_update = iwl_mvm_sta_rc_update,
3381 .conf_tx = iwl_mvm_mac_conf_tx,
3382 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
3383 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
3384 .flush = iwl_mvm_mac_flush,
3385 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3386 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
3387 .set_key = iwl_mvm_mac_set_key,
3388 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3389 .remain_on_channel = iwl_mvm_roc,
3390 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
3391 .add_chanctx = iwl_mvm_add_chanctx,
3392 .remove_chanctx = iwl_mvm_remove_chanctx,
3393 .change_chanctx = iwl_mvm_change_chanctx,
3394 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3395 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
3396 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
3398 .start_ap = iwl_mvm_start_ap_ibss,
3399 .stop_ap = iwl_mvm_stop_ap_ibss,
3400 .join_ibss = iwl_mvm_start_ap_ibss,
3401 .leave_ibss = iwl_mvm_stop_ap_ibss,
3403 .set_tim = iwl_mvm_set_tim,
3405 .channel_switch = iwl_mvm_channel_switch,
3406 .pre_channel_switch = iwl_mvm_pre_channel_switch,
3407 .post_channel_switch = iwl_mvm_post_channel_switch,
3409 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
3410 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
3411 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
3413 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3415 #ifdef CONFIG_PM_SLEEP
3417 .suspend = iwl_mvm_suspend,
3418 .resume = iwl_mvm_resume,
3419 .set_wakeup = iwl_mvm_set_wakeup,
3420 .set_rekey_data = iwl_mvm_set_rekey_data,
3421 #if IS_ENABLED(CONFIG_IPV6)
3422 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
3424 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,