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 <linuxwifi@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 <linux/time.h>
74 #include <net/mac80211.h>
75 #include <net/ieee80211_radiotap.h>
78 #include "iwl-op-mode.h"
82 #include "time-event.h"
83 #include "iwl-eeprom-parse.h"
84 #include "iwl-phy-db.h"
86 #include "iwl-fw-error-dump.h"
89 #include "iwl-nvm-parse.h"
92 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
95 .types = BIT(NL80211_IFTYPE_STATION),
99 .types = BIT(NL80211_IFTYPE_AP) |
100 BIT(NL80211_IFTYPE_P2P_CLIENT) |
101 BIT(NL80211_IFTYPE_P2P_GO),
105 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
109 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
111 .num_different_channels = 2,
113 .limits = iwl_mvm_limits,
114 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
118 #ifdef CONFIG_PM_SLEEP
119 static const struct nl80211_wowlan_tcp_data_token_feature
120 iwl_mvm_wowlan_tcp_token_feature = {
123 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
126 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
127 .tok = &iwl_mvm_wowlan_tcp_token_feature,
128 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
129 sizeof(struct ethhdr) -
130 sizeof(struct iphdr) -
131 sizeof(struct tcphdr),
132 .data_interval_max = 65535, /* __le16 in API */
133 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
134 sizeof(struct ethhdr) -
135 sizeof(struct iphdr) -
136 sizeof(struct tcphdr),
141 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
143 * Use the reserved field to indicate magic values.
144 * these values will only be used internally by the driver,
145 * and won't make it to the fw (reserved will be 0).
146 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
147 * be the vif's ip address. in case there is not a single
148 * ip address (0, or more than 1), this attribute will
150 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
151 * the LSB bytes of the vif's mac address
154 BC_FILTER_MAGIC_NONE = 0,
159 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
163 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
166 /* frame type - arp, hw type - ethernet */
168 BCAST_FILTER_OFFSET_PAYLOAD_START,
169 .offset = sizeof(rfc1042_header),
170 .val = cpu_to_be32(0x08060001),
171 .mask = cpu_to_be32(0xffffffff),
176 BCAST_FILTER_OFFSET_PAYLOAD_START,
177 .offset = sizeof(rfc1042_header) + 2 +
178 sizeof(struct arphdr) +
179 ETH_ALEN + sizeof(__be32) +
181 .mask = cpu_to_be32(0xffffffff),
182 /* mark it as special field */
183 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
188 /* dhcp offer bcast */
190 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
193 /* udp dest port - 68 (bootp client)*/
194 .offset_type = BCAST_FILTER_OFFSET_IP_END,
195 .offset = offsetof(struct udphdr, dest),
196 .val = cpu_to_be32(0x00440000),
197 .mask = cpu_to_be32(0xffff0000),
200 /* dhcp - lsb bytes of client hw address */
201 .offset_type = BCAST_FILTER_OFFSET_IP_END,
203 .mask = cpu_to_be32(0xffffffff),
204 /* mark it as special field */
205 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
209 /* last filter must be empty */
214 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
216 if (!iwl_mvm_is_d0i3_supported(mvm))
219 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
220 spin_lock_bh(&mvm->refs_lock);
221 mvm->refs[ref_type]++;
222 spin_unlock_bh(&mvm->refs_lock);
223 iwl_trans_ref(mvm->trans);
226 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
228 if (!iwl_mvm_is_d0i3_supported(mvm))
231 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
232 spin_lock_bh(&mvm->refs_lock);
233 WARN_ON(!mvm->refs[ref_type]--);
234 spin_unlock_bh(&mvm->refs_lock);
235 iwl_trans_unref(mvm->trans);
238 static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
239 enum iwl_mvm_ref_type except_ref)
243 if (!iwl_mvm_is_d0i3_supported(mvm))
246 spin_lock_bh(&mvm->refs_lock);
247 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
248 if (except_ref == i || !mvm->refs[i])
251 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
253 for (j = 0; j < mvm->refs[i]; j++)
254 iwl_trans_unref(mvm->trans);
257 spin_unlock_bh(&mvm->refs_lock);
260 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
265 if (!iwl_mvm_is_d0i3_supported(mvm))
268 spin_lock_bh(&mvm->refs_lock);
269 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
275 spin_unlock_bh(&mvm->refs_lock);
280 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
282 iwl_mvm_ref(mvm, ref_type);
284 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
285 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
288 iwl_mvm_unref(mvm, ref_type);
295 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
299 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
300 for (i = 0; i < NUM_PHY_CTX; i++) {
301 mvm->phy_ctxts[i].id = i;
302 mvm->phy_ctxts[i].ref = 0;
306 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
308 enum iwl_mcc_source src_id,
311 struct ieee80211_regdomain *regd = NULL;
312 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
313 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
314 struct iwl_mcc_update_resp *resp;
316 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
318 lockdep_assert_held(&mvm->mutex);
320 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
321 if (IS_ERR_OR_NULL(resp)) {
322 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
323 PTR_ERR_OR_ZERO(resp));
328 *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE);
330 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
331 __le32_to_cpu(resp->n_channels),
333 __le16_to_cpu(resp->mcc));
334 /* Store the return source id */
335 src_id = resp->source_id;
337 if (IS_ERR_OR_NULL(regd)) {
338 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
339 PTR_ERR_OR_ZERO(regd));
343 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
344 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
345 mvm->lar_regdom_set = true;
346 mvm->mcc_src = src_id;
352 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
355 struct ieee80211_regdomain *regd;
357 if (!iwl_mvm_is_lar_supported(mvm))
360 regd = iwl_mvm_get_current_regdomain(mvm, &changed);
361 if (!IS_ERR_OR_NULL(regd)) {
362 /* only update the regulatory core if changed */
364 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
370 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
373 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
374 iwl_mvm_is_wifi_mcc_supported(mvm) ?
375 MCC_SOURCE_GET_CURRENT :
376 MCC_SOURCE_OLD_FW, changed);
379 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
381 enum iwl_mcc_source used_src;
382 struct ieee80211_regdomain *regd;
385 const struct ieee80211_regdomain *r =
386 rtnl_dereference(mvm->hw->wiphy->regd);
391 /* save the last source in case we overwrite it below */
392 used_src = mvm->mcc_src;
393 if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
394 /* Notify the firmware we support wifi location updates */
395 regd = iwl_mvm_get_current_regdomain(mvm, NULL);
396 if (!IS_ERR_OR_NULL(regd))
400 /* Now set our last stored MCC and source */
401 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
403 if (IS_ERR_OR_NULL(regd))
406 /* update cfg80211 if the regdomain was changed */
408 ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
416 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
418 struct ieee80211_hw *hw = mvm->hw;
420 static const u32 mvm_ciphers[] = {
421 WLAN_CIPHER_SUITE_WEP40,
422 WLAN_CIPHER_SUITE_WEP104,
423 WLAN_CIPHER_SUITE_TKIP,
424 WLAN_CIPHER_SUITE_CCMP,
427 /* Tell mac80211 our characteristics */
428 ieee80211_hw_set(hw, SIGNAL_DBM);
429 ieee80211_hw_set(hw, SPECTRUM_MGMT);
430 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
431 ieee80211_hw_set(hw, QUEUE_CONTROL);
432 ieee80211_hw_set(hw, WANT_MONITOR_VIF);
433 ieee80211_hw_set(hw, SUPPORTS_PS);
434 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
435 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
436 ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
437 ieee80211_hw_set(hw, CONNECTION_MONITOR);
438 ieee80211_hw_set(hw, CHANCTX_STA_CSA);
439 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
440 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
441 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
442 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
444 if (mvm->trans->max_skb_frags)
445 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
447 hw->queues = mvm->first_agg_queue;
448 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
449 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
450 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
451 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
452 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
453 hw->rate_control_algorithm = "iwl-mvm-rs";
454 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
455 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
457 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 2);
458 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
459 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
460 hw->wiphy->cipher_suites = mvm->ciphers;
463 * Enable 11w if advertised by firmware and software crypto
464 * is not enabled (as the firmware will interpret some mgmt
465 * packets, so enabling it with software crypto isn't safe)
467 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
468 !iwlwifi_mod_params.sw_crypto) {
469 ieee80211_hw_set(hw, MFP_CAPABLE);
470 mvm->ciphers[hw->wiphy->n_cipher_suites] =
471 WLAN_CIPHER_SUITE_AES_CMAC;
472 hw->wiphy->n_cipher_suites++;
475 /* currently FW API supports only one optional cipher scheme */
476 if (mvm->fw->cs[0].cipher) {
477 mvm->hw->n_cipher_schemes = 1;
478 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
479 mvm->ciphers[hw->wiphy->n_cipher_suites] =
480 mvm->fw->cs[0].cipher;
481 hw->wiphy->n_cipher_suites++;
484 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
485 hw->wiphy->features |=
486 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
487 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
488 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
490 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
491 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
492 hw->chanctx_data_size = sizeof(u16);
494 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
495 BIT(NL80211_IFTYPE_P2P_CLIENT) |
496 BIT(NL80211_IFTYPE_AP) |
497 BIT(NL80211_IFTYPE_P2P_GO) |
498 BIT(NL80211_IFTYPE_P2P_DEVICE) |
499 BIT(NL80211_IFTYPE_ADHOC);
501 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
502 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
503 if (iwl_mvm_is_lar_supported(mvm))
504 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
506 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
507 REGULATORY_DISABLE_BEACON_HINTS;
509 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
510 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
512 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
514 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
515 hw->wiphy->n_iface_combinations =
516 ARRAY_SIZE(iwl_mvm_iface_combinations);
518 hw->wiphy->max_remain_on_channel_duration = 10000;
519 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
520 /* we can compensate an offset of up to 3 channels = 15 MHz */
521 hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
523 /* Extract MAC address */
524 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
525 hw->wiphy->addresses = mvm->addresses;
526 hw->wiphy->n_addresses = 1;
528 /* Extract additional MAC addresses if available */
529 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
530 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
532 for (i = 1; i < num_mac; i++) {
533 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
535 mvm->addresses[i].addr[5]++;
536 hw->wiphy->n_addresses++;
539 iwl_mvm_reset_phy_ctxts(mvm);
541 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
543 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
545 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
546 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
547 IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
549 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
550 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS;
552 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS;
554 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
555 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
556 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
557 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels) {
558 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
559 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
561 if (fw_has_capa(&mvm->fw->ucode_capa,
562 IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
563 fw_has_api(&mvm->fw->ucode_capa,
564 IWL_UCODE_TLV_API_LQ_SS_PARAMS))
565 hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |=
566 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
569 hw->wiphy->hw_version = mvm->trans->hw_id;
571 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
572 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
574 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
576 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
577 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
578 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
579 /* we create the 802.11 header and zero length SSID IE. */
580 hw->wiphy->max_sched_scan_ie_len =
581 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
582 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
583 hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
586 * the firmware uses u8 for num of iterations, but 0xff is saved for
587 * infinite loop, so the maximum number of iterations is actually 254.
589 hw->wiphy->max_sched_scan_plan_iterations = 254;
591 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
592 NL80211_FEATURE_LOW_PRIORITY_SCAN |
593 NL80211_FEATURE_P2P_GO_OPPPS |
594 NL80211_FEATURE_DYNAMIC_SMPS |
595 NL80211_FEATURE_STATIC_SMPS |
596 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
598 if (fw_has_capa(&mvm->fw->ucode_capa,
599 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
600 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
601 if (fw_has_capa(&mvm->fw->ucode_capa,
602 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
603 hw->wiphy->features |= NL80211_FEATURE_QUIET;
605 if (fw_has_capa(&mvm->fw->ucode_capa,
606 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
607 hw->wiphy->features |=
608 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
610 if (fw_has_capa(&mvm->fw->ucode_capa,
611 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
612 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
614 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
616 #ifdef CONFIG_PM_SLEEP
617 if (iwl_mvm_is_d0i3_supported(mvm) &&
618 device_can_wakeup(mvm->trans->dev)) {
619 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
620 hw->wiphy->wowlan = &mvm->wowlan;
623 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
624 mvm->trans->ops->d3_suspend &&
625 mvm->trans->ops->d3_resume &&
626 device_can_wakeup(mvm->trans->dev)) {
627 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
628 WIPHY_WOWLAN_DISCONNECT |
629 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
630 WIPHY_WOWLAN_RFKILL_RELEASE |
631 WIPHY_WOWLAN_NET_DETECT;
632 if (!iwlwifi_mod_params.sw_crypto)
633 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
634 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
635 WIPHY_WOWLAN_4WAY_HANDSHAKE;
637 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
638 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
639 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
640 mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
641 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
642 hw->wiphy->wowlan = &mvm->wowlan;
646 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
647 /* assign default bcast filtering configuration */
648 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
651 ret = iwl_mvm_leds_init(mvm);
655 if (fw_has_capa(&mvm->fw->ucode_capa,
656 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
657 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
658 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
659 ieee80211_hw_set(hw, TDLS_WIDER_BW);
662 if (fw_has_capa(&mvm->fw->ucode_capa,
663 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
664 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
665 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
668 hw->netdev_features |= mvm->cfg->features;
669 if (!iwl_mvm_is_csum_supported(mvm))
670 hw->netdev_features &= ~NETIF_F_RXCSUM;
672 if (IWL_MVM_SW_TX_CSUM_OFFLOAD)
673 hw->netdev_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
674 NETIF_F_TSO | NETIF_F_TSO6;
676 ret = ieee80211_register_hw(mvm->hw);
678 iwl_mvm_leds_exit(mvm);
683 static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
684 struct ieee80211_sta *sta,
687 struct iwl_mvm_sta *mvmsta;
691 * double check the IN_D0I3 flag both before and after
692 * taking the spinlock, in order to prevent taking
693 * the spinlock when not needed.
695 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
698 spin_lock(&mvm->d0i3_tx_lock);
700 * testing the flag again ensures the skb dequeue
701 * loop (on d0i3 exit) hasn't run yet.
703 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
706 mvmsta = iwl_mvm_sta_from_mac80211(sta);
707 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
708 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
711 __skb_queue_tail(&mvm->d0i3_tx, skb);
712 ieee80211_stop_queues(mvm->hw);
715 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
716 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
720 spin_unlock(&mvm->d0i3_tx_lock);
724 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
725 struct ieee80211_tx_control *control,
728 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
729 struct ieee80211_sta *sta = control->sta;
730 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
731 struct ieee80211_hdr *hdr = (void *)skb->data;
733 if (iwl_mvm_is_radio_killed(mvm)) {
734 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
738 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
739 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
740 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
743 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
744 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
745 ieee80211_is_mgmt(hdr->frame_control) &&
746 !ieee80211_is_deauth(hdr->frame_control) &&
747 !ieee80211_is_disassoc(hdr->frame_control) &&
748 !ieee80211_is_action(hdr->frame_control)))
752 if (iwl_mvm_defer_tx(mvm, sta, skb))
754 if (iwl_mvm_tx_skb(mvm, skb, sta))
759 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
763 ieee80211_free_txskb(hw, skb);
766 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
768 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
773 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
775 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
777 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
780 /* enabled by default */
784 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
786 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
788 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
792 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
793 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
794 enum ieee80211_ampdu_mlme_action action)
796 struct iwl_fw_dbg_trigger_tlv *trig;
797 struct iwl_fw_dbg_trigger_ba *ba_trig;
799 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
802 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
803 ba_trig = (void *)trig->data;
805 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
809 case IEEE80211_AMPDU_TX_OPERATIONAL: {
810 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
811 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
813 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
814 "TX AGG START: MAC %pM tid %d ssn %d\n",
815 sta->addr, tid, tid_data->ssn);
818 case IEEE80211_AMPDU_TX_STOP_CONT:
819 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
820 "TX AGG STOP: MAC %pM tid %d\n",
823 case IEEE80211_AMPDU_RX_START:
824 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
825 "RX AGG START: MAC %pM tid %d ssn %d\n",
826 sta->addr, tid, rx_ba_ssn);
828 case IEEE80211_AMPDU_RX_STOP:
829 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
830 "RX AGG STOP: MAC %pM tid %d\n",
838 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
839 struct ieee80211_vif *vif,
840 struct ieee80211_ampdu_params *params)
842 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
844 bool tx_agg_ref = false;
845 struct ieee80211_sta *sta = params->sta;
846 enum ieee80211_ampdu_mlme_action action = params->action;
847 u16 tid = params->tid;
848 u16 *ssn = ¶ms->ssn;
849 u8 buf_size = params->buf_size;
851 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
852 sta->addr, tid, action);
854 if (!(mvm->nvm_data->sku_cap_11n_enable))
857 /* return from D0i3 before starting a new Tx aggregation */
859 case IEEE80211_AMPDU_TX_START:
860 case IEEE80211_AMPDU_TX_STOP_CONT:
861 case IEEE80211_AMPDU_TX_STOP_FLUSH:
862 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
863 case IEEE80211_AMPDU_TX_OPERATIONAL:
865 * for tx start, wait synchronously until D0i3 exit to
866 * get the correct sequence number for the tid.
867 * additionally, some other ampdu actions use direct
868 * target access, which is not handled automatically
869 * by the trans layer (unlike commands), so wait for
870 * d0i3 exit in these cases as well.
872 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
882 mutex_lock(&mvm->mutex);
885 case IEEE80211_AMPDU_RX_START:
886 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
890 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size);
892 case IEEE80211_AMPDU_RX_STOP:
893 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size);
895 case IEEE80211_AMPDU_TX_START:
896 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
900 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
902 case IEEE80211_AMPDU_TX_STOP_CONT:
903 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
905 case IEEE80211_AMPDU_TX_STOP_FLUSH:
906 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
907 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
909 case IEEE80211_AMPDU_TX_OPERATIONAL:
910 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
921 if (action == IEEE80211_AMPDU_RX_START)
924 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
927 mutex_unlock(&mvm->mutex);
930 * If the tid is marked as started, we won't use it for offloaded
931 * traffic on the next D0i3 entry. It's safe to unref.
934 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
939 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
940 struct ieee80211_vif *vif)
942 struct iwl_mvm *mvm = data;
943 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
945 mvmvif->uploaded = false;
946 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
948 spin_lock_bh(&mvm->time_event_lock);
949 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
950 spin_unlock_bh(&mvm->time_event_lock);
952 mvmvif->phy_ctxt = NULL;
953 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
956 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
958 /* clear the D3 reconfig, we only need it to avoid dumping a
959 * firmware coredump on reconfiguration, we shouldn't do that
960 * on D3->D0 transition
962 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
963 mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
964 iwl_mvm_fw_error_dump(mvm);
967 /* cleanup all stale references (scan, roc), but keep the
968 * ucode_down ref until reconfig is complete
970 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
972 iwl_trans_stop_device(mvm->trans);
974 mvm->scan_status = 0;
975 mvm->ps_disabled = false;
976 mvm->calibrating = false;
978 /* just in case one was running */
979 iwl_mvm_cleanup_roc_te(mvm);
980 ieee80211_remain_on_channel_expired(mvm->hw);
983 * cleanup all interfaces, even inactive ones, as some might have
984 * gone down during the HW restart
986 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
988 mvm->p2p_device_vif = NULL;
989 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
991 iwl_mvm_reset_phy_ctxts(mvm);
992 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
993 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
994 memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
995 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
996 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
997 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
998 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
999 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
1000 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
1002 ieee80211_wake_queues(mvm->hw);
1004 /* clear any stale d0i3 state */
1005 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1008 mvm->rx_ba_sessions = 0;
1009 mvm->fw_dbg_conf = FW_DBG_INVALID;
1011 /* keep statistics ticking */
1012 iwl_mvm_accu_radio_stats(mvm);
1015 int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
1019 lockdep_assert_held(&mvm->mutex);
1021 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1022 /* Clean up some internal and mac80211 state on restart */
1023 iwl_mvm_restart_cleanup(mvm);
1025 /* Hold the reference to prevent runtime suspend while
1026 * the start procedure runs. It's a bit confusing
1027 * that the UCODE_DOWN reference is taken, but it just
1028 * means "UCODE is not UP yet". ( TODO: rename this
1031 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1033 ret = iwl_mvm_up(mvm);
1035 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1036 /* Something went wrong - we need to finish some cleanup
1037 * that normally iwl_mvm_mac_restart_complete() below
1040 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1041 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1047 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1049 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1052 /* Some hw restart cleanups must not hold the mutex */
1053 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1055 * Make sure we are out of d0i3. This is needed
1056 * to make sure the reference accounting is correct
1057 * (and there is no stale d0i3_exit_work).
1059 wait_event_timeout(mvm->d0i3_exit_waitq,
1060 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1065 mutex_lock(&mvm->mutex);
1066 ret = __iwl_mvm_mac_start(mvm);
1067 mutex_unlock(&mvm->mutex);
1072 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
1076 mutex_lock(&mvm->mutex);
1078 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1079 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1080 ret = iwl_mvm_update_quotas(mvm, true, NULL);
1082 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1085 /* allow transport/FW low power modes */
1086 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1089 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1090 * of packets the FW sent out, so we must reconnect.
1092 iwl_mvm_teardown_tdls_peers(mvm);
1094 mutex_unlock(&mvm->mutex);
1097 static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
1099 if (iwl_mvm_is_d0i3_supported(mvm) &&
1100 iwl_mvm_enter_d0i3_on_suspend(mvm))
1101 WARN_ONCE(!wait_event_timeout(mvm->d0i3_exit_waitq,
1102 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1105 "D0i3 exit on resume timed out\n");
1109 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1110 enum ieee80211_reconfig_type reconfig_type)
1112 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1114 switch (reconfig_type) {
1115 case IEEE80211_RECONFIG_TYPE_RESTART:
1116 iwl_mvm_restart_complete(mvm);
1118 case IEEE80211_RECONFIG_TYPE_SUSPEND:
1119 iwl_mvm_resume_complete(mvm);
1124 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
1126 lockdep_assert_held(&mvm->mutex);
1128 /* firmware counters are obviously reset now, but we shouldn't
1129 * partially track so also clear the fw_reset_accu counters.
1131 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1133 /* async_handlers_wk is now blocked */
1136 * The work item could be running or queued if the
1137 * ROC time event stops just as we get here.
1139 flush_work(&mvm->roc_done_wk);
1141 iwl_trans_stop_device(mvm->trans);
1143 iwl_mvm_async_handlers_purge(mvm);
1144 /* async_handlers_list is empty and will stay empty: HW is stopped */
1146 /* the fw is stopped, the aux sta is dead: clean up driver state */
1147 iwl_mvm_del_aux_sta(mvm);
1150 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1151 * won't be called in this case).
1152 * But make sure to cleanup interfaces that have gone down before/during
1153 * HW restart was requested.
1155 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1156 ieee80211_iterate_interfaces(mvm->hw, 0,
1157 iwl_mvm_cleanup_iterator, mvm);
1159 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1160 * make sure there's nothing left there and warn if any is found.
1162 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1165 for (i = 0; i < mvm->max_scans; i++) {
1166 if (WARN_ONCE(mvm->scan_uid_status[i],
1167 "UMAC scan UID %d status was not cleaned\n",
1169 mvm->scan_uid_status[i] = 0;
1173 mvm->ucode_loaded = false;
1176 static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1178 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1180 flush_work(&mvm->d0i3_exit_work);
1181 flush_work(&mvm->async_handlers_wk);
1182 cancel_delayed_work_sync(&mvm->fw_dump_wk);
1183 iwl_mvm_free_fw_dump_desc(mvm);
1185 mutex_lock(&mvm->mutex);
1186 __iwl_mvm_mac_stop(mvm);
1187 mutex_unlock(&mvm->mutex);
1190 * The worker might have been waiting for the mutex, let it run and
1191 * discover that its list is now empty.
1193 cancel_work_sync(&mvm->async_handlers_wk);
1196 static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1200 lockdep_assert_held(&mvm->mutex);
1202 for (i = 0; i < NUM_PHY_CTX; i++)
1203 if (!mvm->phy_ctxts[i].ref)
1204 return &mvm->phy_ctxts[i];
1206 IWL_ERR(mvm, "No available PHY context\n");
1210 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1213 struct iwl_dev_tx_power_cmd cmd = {
1214 .v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
1215 .v2.mac_context_id =
1216 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
1217 .v2.pwr_restriction = cpu_to_le16(8 * tx_power),
1219 int len = sizeof(cmd);
1221 if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
1222 cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
1224 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN))
1225 len = sizeof(cmd.v2);
1227 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
1230 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1231 struct ieee80211_vif *vif)
1233 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1234 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1240 * make sure D0i3 exit is completed, otherwise a target access
1241 * during tx queue configuration could be done when still in
1244 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1249 * Not much to do here. The stack will not allow interface
1250 * types or combinations that we didn't advertise, so we
1251 * don't really have to check the types.
1254 mutex_lock(&mvm->mutex);
1256 /* make sure that beacon statistics don't go backwards with FW reset */
1257 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1258 mvmvif->beacon_stats.accu_num_beacons +=
1259 mvmvif->beacon_stats.num_beacons;
1261 /* Allocate resources for the MAC context, and add it to the fw */
1262 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1266 /* Counting number of interfaces is needed for legacy PM */
1267 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1271 * The AP binding flow can be done only after the beacon
1272 * template is configured (which happens only in the mac80211
1273 * start_ap() flow), and adding the broadcast station can happen
1274 * only after the binding.
1275 * In addition, since modifying the MAC before adding a bcast
1276 * station is not allowed by the FW, delay the adding of MAC context to
1277 * the point where we can also add the bcast station.
1278 * In short: there's not much we can do at this point, other than
1279 * allocating resources :)
1281 if (vif->type == NL80211_IFTYPE_AP ||
1282 vif->type == NL80211_IFTYPE_ADHOC) {
1283 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
1285 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1289 iwl_mvm_vif_dbgfs_register(mvm, vif);
1293 mvmvif->features |= hw->netdev_features;
1295 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1299 ret = iwl_mvm_power_update_mac(mvm);
1301 goto out_remove_mac;
1303 /* beacon filtering */
1304 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
1306 goto out_remove_mac;
1308 if (!mvm->bf_allowed_vif &&
1309 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
1310 mvm->bf_allowed_vif = mvmvif;
1311 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1312 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
1316 * P2P_DEVICE interface does not have a channel context assigned to it,
1317 * so a dedicated PHY context is allocated to it and the corresponding
1318 * MAC context is bound to it at this stage.
1320 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1322 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1323 if (!mvmvif->phy_ctxt) {
1328 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1329 ret = iwl_mvm_binding_add_vif(mvm, vif);
1333 ret = iwl_mvm_add_bcast_sta(mvm, vif);
1337 /* Save a pointer to p2p device vif, so it can later be used to
1338 * update the p2p device MAC when a GO is started/stopped */
1339 mvm->p2p_device_vif = vif;
1342 iwl_mvm_vif_dbgfs_register(mvm, vif);
1346 iwl_mvm_binding_remove_vif(mvm, vif);
1348 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1350 if (mvm->bf_allowed_vif == mvmvif) {
1351 mvm->bf_allowed_vif = NULL;
1352 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1353 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1356 mvmvif->phy_ctxt = NULL;
1357 iwl_mvm_mac_ctxt_remove(mvm, vif);
1359 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1362 iwl_mvm_mac_ctxt_release(mvm, vif);
1364 mutex_unlock(&mvm->mutex);
1366 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1371 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1372 struct ieee80211_vif *vif)
1374 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
1378 * mac80211 first removes all the stations of the vif and
1379 * then removes the vif. When it removes a station it also
1380 * flushes the AMPDU session. So by now, all the AMPDU sessions
1381 * of all the stations of this vif are closed, and the queues
1382 * of these AMPDU sessions are properly closed.
1383 * We still need to take care of the shared queues of the vif.
1386 mutex_lock(&mvm->mutex);
1387 iwl_mvm_flush_tx_path(mvm, tfd_msk, 0);
1388 mutex_unlock(&mvm->mutex);
1391 * There are transports that buffer a few frames in the host.
1392 * For these, the flush above isn't enough since while we were
1393 * flushing, the transport might have sent more frames to the
1394 * device. To solve this, wait here until the transport is
1395 * empty. Technically, this could have replaced the flush
1396 * above, but flush is much faster than draining. So flush
1397 * first, and drain to make sure we have no frames in the
1398 * transport anymore.
1399 * If a station still had frames on the shared queues, it is
1400 * already marked as draining, so to complete the draining, we
1401 * just need to wait until the transport is empty.
1403 iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk);
1406 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1408 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1409 * We assume here that all the packets sent to the OFFCHANNEL
1410 * queue are sent in ROC session.
1412 flush_work(&mvm->roc_done_wk);
1415 * By now, all the AC queues are empty. The AGG queues are
1416 * empty too. We already got all the Tx responses for all the
1417 * packets in the queues. The drain work can have been
1418 * triggered. Flush it.
1420 flush_work(&mvm->sta_drained_wk);
1424 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1425 struct ieee80211_vif *vif)
1427 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1428 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1430 iwl_mvm_prepare_mac_removal(mvm, vif);
1432 mutex_lock(&mvm->mutex);
1434 if (mvm->bf_allowed_vif == mvmvif) {
1435 mvm->bf_allowed_vif = NULL;
1436 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1437 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1440 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1443 * For AP/GO interface, the tear down of the resources allocated to the
1444 * interface is be handled as part of the stop_ap flow.
1446 if (vif->type == NL80211_IFTYPE_AP ||
1447 vif->type == NL80211_IFTYPE_ADHOC) {
1448 #ifdef CONFIG_NL80211_TESTMODE
1449 if (vif == mvm->noa_vif) {
1450 mvm->noa_vif = NULL;
1451 mvm->noa_duration = 0;
1454 iwl_mvm_dealloc_bcast_sta(mvm, vif);
1458 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1459 mvm->p2p_device_vif = NULL;
1460 iwl_mvm_rm_bcast_sta(mvm, vif);
1461 iwl_mvm_binding_remove_vif(mvm, vif);
1462 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1463 mvmvif->phy_ctxt = NULL;
1466 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
1469 iwl_mvm_power_update_mac(mvm);
1470 iwl_mvm_mac_ctxt_remove(mvm, vif);
1473 iwl_mvm_mac_ctxt_release(mvm, vif);
1474 mutex_unlock(&mvm->mutex);
1477 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
1482 struct iwl_mvm_mc_iter_data {
1483 struct iwl_mvm *mvm;
1487 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1488 struct ieee80211_vif *vif)
1490 struct iwl_mvm_mc_iter_data *data = _data;
1491 struct iwl_mvm *mvm = data->mvm;
1492 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1495 /* if we don't have free ports, mcast frames will be dropped */
1496 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1499 if (vif->type != NL80211_IFTYPE_STATION ||
1500 !vif->bss_conf.assoc)
1503 cmd->port_id = data->port_id++;
1504 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1505 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1507 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
1509 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1512 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1514 struct iwl_mvm_mc_iter_data iter_data = {
1518 lockdep_assert_held(&mvm->mutex);
1520 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1523 ieee80211_iterate_active_interfaces_atomic(
1524 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1525 iwl_mvm_mc_iface_iterator, &iter_data);
1528 static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1529 struct netdev_hw_addr_list *mc_list)
1531 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1532 struct iwl_mcast_filter_cmd *cmd;
1533 struct netdev_hw_addr *addr;
1538 addr_count = netdev_hw_addr_list_count(mc_list);
1539 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1540 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1544 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1545 cmd = kzalloc(len, GFP_ATOMIC);
1551 return (u64)(unsigned long)cmd;
1554 netdev_hw_addr_list_for_each(addr, mc_list) {
1555 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1556 cmd->count, addr->addr);
1557 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1558 addr->addr, ETH_ALEN);
1562 return (u64)(unsigned long)cmd;
1565 static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1566 unsigned int changed_flags,
1567 unsigned int *total_flags,
1570 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1571 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
1573 mutex_lock(&mvm->mutex);
1575 /* replace previous configuration */
1576 kfree(mvm->mcast_filter_cmd);
1577 mvm->mcast_filter_cmd = cmd;
1582 iwl_mvm_recalc_multicast(mvm);
1584 mutex_unlock(&mvm->mutex);
1588 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
1589 struct ieee80211_vif *vif,
1590 unsigned int filter_flags,
1591 unsigned int changed_flags)
1593 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1595 /* We support only filter for probe requests */
1596 if (!(changed_flags & FIF_PROBE_REQ))
1599 /* Supported only for p2p client interfaces */
1600 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1604 mutex_lock(&mvm->mutex);
1605 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1606 mutex_unlock(&mvm->mutex);
1609 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1610 struct iwl_bcast_iter_data {
1611 struct iwl_mvm *mvm;
1612 struct iwl_bcast_filter_cmd *cmd;
1617 iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1618 const struct iwl_fw_bcast_filter *in_filter,
1619 struct iwl_fw_bcast_filter *out_filter)
1621 struct iwl_fw_bcast_filter_attr *attr;
1624 memcpy(out_filter, in_filter, sizeof(*out_filter));
1626 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1627 attr = &out_filter->attrs[i];
1632 switch (attr->reserved1) {
1633 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1634 if (vif->bss_conf.arp_addr_cnt != 1) {
1639 attr->val = vif->bss_conf.arp_addr_list[0];
1641 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1642 attr->val = *(__be32 *)&vif->addr[2];
1647 attr->reserved1 = 0;
1648 out_filter->num_attrs++;
1652 static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1653 struct ieee80211_vif *vif)
1655 struct iwl_bcast_iter_data *data = _data;
1656 struct iwl_mvm *mvm = data->mvm;
1657 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1658 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1659 struct iwl_fw_bcast_mac *bcast_mac;
1662 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1665 bcast_mac = &cmd->macs[mvmvif->id];
1668 * enable filtering only for associated stations, but not for P2P
1671 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1672 !vif->bss_conf.assoc)
1675 bcast_mac->default_discard = 1;
1677 /* copy all configured filters */
1678 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1680 * Make sure we don't exceed our filters limit.
1681 * if there is still a valid filter to be configured,
1682 * be on the safe side and just allow bcast for this mac.
1684 if (WARN_ON_ONCE(data->current_filter >=
1685 ARRAY_SIZE(cmd->filters))) {
1686 bcast_mac->default_discard = 0;
1687 bcast_mac->attached_filters = 0;
1691 iwl_mvm_set_bcast_filter(vif,
1692 &mvm->bcast_filters[i],
1693 &cmd->filters[data->current_filter]);
1695 /* skip current filter if it contains no attributes */
1696 if (!cmd->filters[data->current_filter].num_attrs)
1699 /* attach the filter to current mac */
1700 bcast_mac->attached_filters |=
1701 cpu_to_le16(BIT(data->current_filter));
1703 data->current_filter++;
1707 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1708 struct iwl_bcast_filter_cmd *cmd)
1710 struct iwl_bcast_iter_data iter_data = {
1715 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1718 memset(cmd, 0, sizeof(*cmd));
1719 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1720 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1722 #ifdef CONFIG_IWLWIFI_DEBUGFS
1723 /* use debugfs filters/macs if override is configured */
1724 if (mvm->dbgfs_bcast_filtering.override) {
1725 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1726 sizeof(cmd->filters));
1727 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1733 /* if no filters are configured, do nothing */
1734 if (!mvm->bcast_filters)
1737 /* configure and attach these filters for each associated sta vif */
1738 ieee80211_iterate_active_interfaces(
1739 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1740 iwl_mvm_bcast_filter_iterator, &iter_data);
1745 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
1747 struct iwl_bcast_filter_cmd cmd;
1749 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
1752 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
1755 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
1759 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm)
1765 static int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm,
1766 struct ieee80211_vif *vif)
1768 struct iwl_mu_group_mgmt_cmd cmd = {};
1770 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
1771 WLAN_MEMBERSHIP_LEN);
1772 memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
1773 WLAN_USER_POSITION_LEN);
1775 return iwl_mvm_send_cmd_pdu(mvm,
1776 WIDE_ID(DATA_PATH_GROUP,
1777 UPDATE_MU_GROUPS_CMD),
1778 0, sizeof(cmd), &cmd);
1781 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
1782 struct ieee80211_vif *vif,
1783 struct ieee80211_bss_conf *bss_conf,
1786 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1790 * Re-calculate the tsf id, as the master-slave relations depend on the
1791 * beacon interval, which was not known when the station interface was
1794 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
1795 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1798 * If we're not associated yet, take the (new) BSSID before associating
1799 * so the firmware knows. If we're already associated, then use the old
1800 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
1801 * branch for disassociation below.
1803 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
1804 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1806 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
1808 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
1810 /* after sending it once, adopt mac80211 data */
1811 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
1812 mvmvif->associated = bss_conf->assoc;
1814 if (changes & BSS_CHANGED_ASSOC) {
1815 if (bss_conf->assoc) {
1816 /* clear statistics to get clean beacon counter */
1817 iwl_mvm_request_statistics(mvm, true);
1818 memset(&mvmvif->beacon_stats, 0,
1819 sizeof(mvmvif->beacon_stats));
1821 /* add quota for this interface */
1822 ret = iwl_mvm_update_quotas(mvm, true, NULL);
1824 IWL_ERR(mvm, "failed to update quotas\n");
1828 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
1831 * If we're restarting then the firmware will
1832 * obviously have lost synchronisation with
1833 * the AP. It will attempt to synchronise by
1834 * itself, but we can make it more reliable by
1835 * scheduling a session protection time event.
1837 * The firmware needs to receive a beacon to
1838 * catch up with synchronisation, use 110% of
1839 * the beacon interval.
1841 * Set a large maximum delay to allow for more
1842 * than a single interface.
1844 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
1845 iwl_mvm_protect_session(mvm, vif, dur, dur,
1849 iwl_mvm_sf_update(mvm, vif, false);
1850 iwl_mvm_power_vif_assoc(mvm, vif);
1852 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
1853 iwl_mvm_update_smps(mvm, vif,
1854 IWL_MVM_SMPS_REQ_PROT,
1855 IEEE80211_SMPS_DYNAMIC);
1857 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
1859 * If update fails - SF might be running in associated
1860 * mode while disassociated - which is forbidden.
1862 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
1863 "Failed to update SF upon disassociation\n");
1865 /* remove AP station now that the MAC is unassoc */
1866 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
1868 IWL_ERR(mvm, "failed to remove AP station\n");
1870 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1871 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1872 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
1873 /* remove quota for this interface */
1874 ret = iwl_mvm_update_quotas(mvm, false, NULL);
1876 IWL_ERR(mvm, "failed to update quotas\n");
1879 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
1881 /* this will take the cleared BSSID from bss_conf */
1882 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1885 "failed to update MAC %pM (clear after unassoc)\n",
1890 * The firmware tracks the MU-MIMO group on its own.
1891 * However, on HW restart we should restore this data
1893 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
1894 changes & BSS_CHANGED_MU_GROUPS) {
1895 ret = iwl_mvm_update_mu_groups(mvm, vif);
1898 "failed to update VHT MU_MIMO groups\n");
1901 iwl_mvm_recalc_multicast(mvm);
1902 iwl_mvm_configure_bcast_filter(mvm);
1904 /* reset rssi values */
1905 mvmvif->bf_data.ave_beacon_signal = 0;
1907 iwl_mvm_bt_coex_vif_change(mvm);
1908 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
1909 IEEE80211_SMPS_AUTOMATIC);
1910 if (fw_has_capa(&mvm->fw->ucode_capa,
1911 IWL_UCODE_TLV_CAPA_UMAC_SCAN))
1912 iwl_mvm_config_scan(mvm);
1913 } else if (changes & BSS_CHANGED_BEACON_INFO) {
1915 * We received a beacon _after_ association so
1916 * remove the session protection.
1918 iwl_mvm_remove_time_event(mvm, mvmvif,
1919 &mvmvif->time_event_data);
1922 if (changes & BSS_CHANGED_BEACON_INFO) {
1923 iwl_mvm_sf_update(mvm, vif, false);
1924 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
1927 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
1928 ret = iwl_mvm_power_update_mac(mvm);
1930 IWL_ERR(mvm, "failed to update power mode\n");
1933 if (changes & BSS_CHANGED_TXPOWER) {
1934 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
1936 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
1939 if (changes & BSS_CHANGED_CQM) {
1940 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
1941 /* reset cqm events tracking */
1942 mvmvif->bf_data.last_cqm_event = 0;
1943 if (mvmvif->bf_data.bf_enabled) {
1944 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1947 "failed to update CQM thresholds\n");
1951 if (changes & BSS_CHANGED_ARP_FILTER) {
1952 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
1953 iwl_mvm_configure_bcast_filter(mvm);
1957 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
1958 struct ieee80211_vif *vif)
1960 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1961 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1965 * iwl_mvm_mac_ctxt_add() might read directly from the device
1966 * (the system time), so make sure it is available.
1968 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
1972 mutex_lock(&mvm->mutex);
1974 /* Send the beacon template */
1975 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
1980 * Re-calculate the tsf id, as the master-slave relations depend on the
1981 * beacon interval, which was not known when the AP interface was added.
1983 if (vif->type == NL80211_IFTYPE_AP)
1984 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
1986 mvmvif->ap_assoc_sta_count = 0;
1988 /* Add the mac context */
1989 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1993 /* Perform the binding */
1994 ret = iwl_mvm_binding_add_vif(mvm, vif);
1998 /* Send the bcast station. At this stage the TBTT and DTIM time events
1999 * are added and applied to the scheduler */
2000 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
2004 /* must be set before quota calculations */
2005 mvmvif->ap_ibss_active = true;
2007 /* power updated needs to be done before quotas */
2008 iwl_mvm_power_update_mac(mvm);
2010 ret = iwl_mvm_update_quotas(mvm, false, NULL);
2012 goto out_quota_failed;
2014 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2015 if (vif->p2p && mvm->p2p_device_vif)
2016 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
2018 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
2020 iwl_mvm_bt_coex_vif_change(mvm);
2022 /* we don't support TDLS during DCM */
2023 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2024 iwl_mvm_teardown_tdls_peers(mvm);
2029 iwl_mvm_power_update_mac(mvm);
2030 mvmvif->ap_ibss_active = false;
2031 iwl_mvm_send_rm_bcast_sta(mvm, vif);
2033 iwl_mvm_binding_remove_vif(mvm, vif);
2035 iwl_mvm_mac_ctxt_remove(mvm, vif);
2037 mutex_unlock(&mvm->mutex);
2038 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
2042 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2043 struct ieee80211_vif *vif)
2045 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2046 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2048 iwl_mvm_prepare_mac_removal(mvm, vif);
2050 mutex_lock(&mvm->mutex);
2052 /* Handle AP stop while in CSA */
2053 if (rcu_access_pointer(mvm->csa_vif) == vif) {
2054 iwl_mvm_remove_time_event(mvm, mvmvif,
2055 &mvmvif->time_event_data);
2056 RCU_INIT_POINTER(mvm->csa_vif, NULL);
2057 mvmvif->csa_countdown = false;
2060 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2061 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2062 mvm->csa_tx_block_bcn_timeout = 0;
2065 mvmvif->ap_ibss_active = false;
2066 mvm->ap_last_beacon_gp2 = 0;
2068 iwl_mvm_bt_coex_vif_change(mvm);
2070 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
2072 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2073 if (vif->p2p && mvm->p2p_device_vif)
2074 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
2076 iwl_mvm_update_quotas(mvm, false, NULL);
2077 iwl_mvm_send_rm_bcast_sta(mvm, vif);
2078 iwl_mvm_binding_remove_vif(mvm, vif);
2080 iwl_mvm_power_update_mac(mvm);
2082 iwl_mvm_mac_ctxt_remove(mvm, vif);
2084 mutex_unlock(&mvm->mutex);
2088 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
2089 struct ieee80211_vif *vif,
2090 struct ieee80211_bss_conf *bss_conf,
2093 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2095 /* Changes will be applied when the AP/IBSS is started */
2096 if (!mvmvif->ap_ibss_active)
2099 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
2100 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
2101 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
2102 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
2104 /* Need to send a new beacon template to the FW */
2105 if (changes & BSS_CHANGED_BEACON &&
2106 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
2107 IWL_WARN(mvm, "Failed updating beacon data\n");
2109 if (changes & BSS_CHANGED_TXPOWER) {
2110 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2112 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2117 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
2118 struct ieee80211_vif *vif,
2119 struct ieee80211_bss_conf *bss_conf,
2122 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2125 * iwl_mvm_bss_info_changed_station() might call
2126 * iwl_mvm_protect_session(), which reads directly from
2127 * the device (the system time), so make sure it is available.
2129 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
2132 mutex_lock(&mvm->mutex);
2134 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
2135 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
2137 switch (vif->type) {
2138 case NL80211_IFTYPE_STATION:
2139 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
2141 case NL80211_IFTYPE_AP:
2142 case NL80211_IFTYPE_ADHOC:
2143 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
2146 /* shouldn't happen */
2150 mutex_unlock(&mvm->mutex);
2151 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
2154 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
2155 struct ieee80211_vif *vif,
2156 struct ieee80211_scan_request *hw_req)
2158 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2161 if (hw_req->req.n_channels == 0 ||
2162 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
2165 mutex_lock(&mvm->mutex);
2166 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
2167 mutex_unlock(&mvm->mutex);
2172 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2173 struct ieee80211_vif *vif)
2175 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2177 mutex_lock(&mvm->mutex);
2179 /* Due to a race condition, it's possible that mac80211 asks
2180 * us to stop a hw_scan when it's already stopped. This can
2181 * happen, for instance, if we stopped the scan ourselves,
2182 * called ieee80211_scan_completed() and the userspace called
2183 * cancel scan scan before ieee80211_scan_work() could run.
2184 * To handle that, simply return if the scan is not running.
2186 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
2187 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
2189 mutex_unlock(&mvm->mutex);
2193 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
2194 struct ieee80211_sta *sta, u16 tids,
2196 enum ieee80211_frame_release_type reason,
2199 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2201 /* Called when we need to transmit (a) frame(s) from mac80211 */
2203 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2204 tids, more_data, false);
2208 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2209 struct ieee80211_sta *sta, u16 tids,
2211 enum ieee80211_frame_release_type reason,
2214 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2216 /* Called when we need to transmit (a) frame(s) from agg queue */
2218 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2219 tids, more_data, true);
2222 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2223 struct ieee80211_vif *vif,
2224 enum sta_notify_cmd cmd,
2225 struct ieee80211_sta *sta)
2227 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2228 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
2229 unsigned long txqs = 0, tids = 0;
2232 spin_lock_bh(&mvmsta->lock);
2233 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2234 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
2236 if (tid_data->state != IWL_AGG_ON &&
2237 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
2240 __set_bit(tid_data->txq_id, &txqs);
2242 if (iwl_mvm_tid_queued(tid_data) == 0)
2245 __set_bit(tid, &tids);
2249 case STA_NOTIFY_SLEEP:
2250 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
2251 ieee80211_sta_block_awake(hw, sta, true);
2253 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
2254 ieee80211_sta_set_buffered(sta, tid, true);
2257 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
2259 * The fw updates the STA to be asleep. Tx packets on the Tx
2260 * queues to this station will not be transmitted. The fw will
2261 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2264 case STA_NOTIFY_AWAKE:
2265 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
2269 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
2270 iwl_mvm_sta_modify_ps_wake(mvm, sta);
2275 spin_unlock_bh(&mvmsta->lock);
2278 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2279 struct ieee80211_vif *vif,
2280 struct ieee80211_sta *sta)
2282 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2283 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
2286 * This is called before mac80211 does RCU synchronisation,
2287 * so here we already invalidate our internal RCU-protected
2288 * station pointer. The rest of the code will thus no longer
2289 * be able to find the station this way, and we don't rely
2290 * on further RCU synchronisation after the sta_state()
2291 * callback deleted the station.
2293 mutex_lock(&mvm->mutex);
2294 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2295 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2298 mutex_unlock(&mvm->mutex);
2301 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2304 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
2307 if (iwlwifi_mod_params.uapsd_disable) {
2308 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2312 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
2316 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
2317 struct ieee80211_vif *vif, u8 *peer_addr,
2318 enum nl80211_tdls_operation action)
2320 struct iwl_fw_dbg_trigger_tlv *trig;
2321 struct iwl_fw_dbg_trigger_tdls *tdls_trig;
2323 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
2326 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
2327 tdls_trig = (void *)trig->data;
2328 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
2331 if (!(tdls_trig->action_bitmap & BIT(action)))
2334 if (tdls_trig->peer_mode &&
2335 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
2338 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
2339 "TDLS event occurred, peer %pM, action %d",
2343 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2344 struct ieee80211_vif *vif,
2345 struct ieee80211_sta *sta,
2346 enum ieee80211_sta_state old_state,
2347 enum ieee80211_sta_state new_state)
2349 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2350 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2353 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2354 sta->addr, old_state, new_state);
2356 /* this would be a mac80211 bug ... but don't crash */
2357 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2360 /* if a STA is being removed, reuse its ID */
2361 flush_work(&mvm->sta_drained_wk);
2363 mutex_lock(&mvm->mutex);
2364 if (old_state == IEEE80211_STA_NOTEXIST &&
2365 new_state == IEEE80211_STA_NONE) {
2367 * Firmware bug - it'll crash if the beacon interval is less
2368 * than 16. We can't avoid connecting at all, so refuse the
2369 * station state change, this will cause mac80211 to abandon
2370 * attempts to connect to this AP, and eventually wpa_s will
2371 * blacklist the AP...
2373 if (vif->type == NL80211_IFTYPE_STATION &&
2374 vif->bss_conf.beacon_int < 16) {
2376 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2377 sta->addr, vif->bss_conf.beacon_int);
2384 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2385 IWL_MVM_TDLS_STA_COUNT ||
2386 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2387 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2392 ret = iwl_mvm_add_sta(mvm, vif, sta);
2393 if (sta->tdls && ret == 0) {
2394 iwl_mvm_recalc_tdls_state(mvm, vif, true);
2395 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2396 NL80211_TDLS_SETUP);
2398 } else if (old_state == IEEE80211_STA_NONE &&
2399 new_state == IEEE80211_STA_AUTH) {
2401 * EBS may be disabled due to previous failures reported by FW.
2402 * Reset EBS status here assuming environment has been changed.
2404 mvm->last_ebs_successful = true;
2405 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
2407 } else if (old_state == IEEE80211_STA_AUTH &&
2408 new_state == IEEE80211_STA_ASSOC) {
2409 if (vif->type == NL80211_IFTYPE_AP) {
2410 mvmvif->ap_assoc_sta_count++;
2411 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2413 ret = iwl_mvm_update_sta(mvm, vif, sta);
2415 iwl_mvm_rs_rate_init(mvm, sta,
2416 mvmvif->phy_ctxt->channel->band,
2418 } else if (old_state == IEEE80211_STA_ASSOC &&
2419 new_state == IEEE80211_STA_AUTHORIZED) {
2421 /* we don't support TDLS during DCM */
2422 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2423 iwl_mvm_teardown_tdls_peers(mvm);
2426 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2427 NL80211_TDLS_ENABLE_LINK);
2429 /* enable beacon filtering */
2430 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
2432 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2433 new_state == IEEE80211_STA_ASSOC) {
2434 /* disable beacon filtering */
2435 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
2437 } else if (old_state == IEEE80211_STA_ASSOC &&
2438 new_state == IEEE80211_STA_AUTH) {
2439 if (vif->type == NL80211_IFTYPE_AP) {
2440 mvmvif->ap_assoc_sta_count--;
2441 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2444 } else if (old_state == IEEE80211_STA_AUTH &&
2445 new_state == IEEE80211_STA_NONE) {
2447 } else if (old_state == IEEE80211_STA_NONE &&
2448 new_state == IEEE80211_STA_NOTEXIST) {
2449 ret = iwl_mvm_rm_sta(mvm, vif, sta);
2451 iwl_mvm_recalc_tdls_state(mvm, vif, false);
2452 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
2453 NL80211_TDLS_DISABLE_LINK);
2459 mutex_unlock(&mvm->mutex);
2461 if (sta->tdls && ret == 0) {
2462 if (old_state == IEEE80211_STA_NOTEXIST &&
2463 new_state == IEEE80211_STA_NONE)
2464 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2465 else if (old_state == IEEE80211_STA_NONE &&
2466 new_state == IEEE80211_STA_NOTEXIST)
2467 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2473 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2475 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2477 mvm->rts_threshold = value;
2482 static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2483 struct ieee80211_vif *vif,
2484 struct ieee80211_sta *sta, u32 changed)
2486 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2488 if (vif->type == NL80211_IFTYPE_STATION &&
2489 changed & IEEE80211_RC_NSS_CHANGED)
2490 iwl_mvm_sf_update(mvm, vif, false);
2493 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2494 struct ieee80211_vif *vif, u16 ac,
2495 const struct ieee80211_tx_queue_params *params)
2497 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2498 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2500 mvmvif->queue_params[ac] = *params;
2503 * No need to update right away, we'll get BSS_CHANGED_QOS
2504 * The exception is P2P_DEVICE interface which needs immediate update.
2506 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2509 mutex_lock(&mvm->mutex);
2510 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2511 mutex_unlock(&mvm->mutex);
2517 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2518 struct ieee80211_vif *vif)
2520 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2521 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2522 200 + vif->bss_conf.beacon_int);
2523 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2524 100 + vif->bss_conf.beacon_int);
2526 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2530 * iwl_mvm_protect_session() reads directly from the device
2531 * (the system time), so make sure it is available.
2533 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2536 mutex_lock(&mvm->mutex);
2537 /* Try really hard to protect the session and hear a beacon */
2538 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
2539 mutex_unlock(&mvm->mutex);
2541 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
2544 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2545 struct ieee80211_vif *vif,
2546 struct cfg80211_sched_scan_request *req,
2547 struct ieee80211_scan_ies *ies)
2549 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2553 mutex_lock(&mvm->mutex);
2555 if (!vif->bss_conf.idle) {
2560 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
2563 mutex_unlock(&mvm->mutex);
2567 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2568 struct ieee80211_vif *vif)
2570 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2573 mutex_lock(&mvm->mutex);
2575 /* Due to a race condition, it's possible that mac80211 asks
2576 * us to stop a sched_scan when it's already stopped. This
2577 * can happen, for instance, if we stopped the scan ourselves,
2578 * called ieee80211_sched_scan_stopped() and the userspace called
2579 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2580 * could run. To handle this, simply return if the scan is
2583 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
2584 mutex_unlock(&mvm->mutex);
2588 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
2589 mutex_unlock(&mvm->mutex);
2590 iwl_mvm_wait_for_async_handlers(mvm);
2595 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2596 enum set_key_cmd cmd,
2597 struct ieee80211_vif *vif,
2598 struct ieee80211_sta *sta,
2599 struct ieee80211_key_conf *key)
2601 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2602 struct iwl_mvm_sta *mvmsta;
2603 struct iwl_mvm_key_pn *ptk_pn;
2604 int keyidx = key->keyidx;
2608 if (iwlwifi_mod_params.sw_crypto) {
2609 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2613 switch (key->cipher) {
2614 case WLAN_CIPHER_SUITE_TKIP:
2615 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2616 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2618 case WLAN_CIPHER_SUITE_CCMP:
2619 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2621 case WLAN_CIPHER_SUITE_AES_CMAC:
2622 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
2624 case WLAN_CIPHER_SUITE_WEP40:
2625 case WLAN_CIPHER_SUITE_WEP104:
2626 /* For non-client mode, only use WEP keys for TX as we probably
2627 * don't have a station yet anyway and would then have to keep
2628 * track of the keys, linking them to each of the clients/peers
2629 * as they appear. For now, don't do that, for performance WEP
2630 * offload doesn't really matter much, but we need it for some
2631 * other offload features in client mode.
2633 if (vif->type != NL80211_IFTYPE_STATION)
2637 /* currently FW supports only one optional cipher scheme */
2638 if (hw->n_cipher_schemes &&
2639 hw->cipher_schemes->cipher == key->cipher)
2640 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2645 mutex_lock(&mvm->mutex);
2649 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2650 vif->type == NL80211_IFTYPE_AP) && !sta) {
2652 * GTK on AP interface is a TX-only key, return 0;
2653 * on IBSS they're per-station and because we're lazy
2654 * we don't support them for RX, so do the same.
2657 key->hw_key_idx = STA_KEY_IDX_INVALID;
2661 /* During FW restart, in order to restore the state as it was,
2662 * don't try to reprogram keys we previously failed for.
2664 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2665 key->hw_key_idx == STA_KEY_IDX_INVALID) {
2666 IWL_DEBUG_MAC80211(mvm,
2667 "skip invalid idx key programming during restart\n");
2672 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2673 sta && iwl_mvm_has_new_rx_api(mvm) &&
2674 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
2675 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2676 key->cipher == WLAN_CIPHER_SUITE_GCMP)) {
2677 struct ieee80211_key_seq seq;
2680 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2681 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
2682 ptk_pn = kzalloc(sizeof(*ptk_pn) +
2683 mvm->trans->num_rx_queues *
2684 sizeof(ptk_pn->q[0]),
2691 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2692 ieee80211_get_key_rx_seq(key, tid, &seq);
2693 for (q = 0; q < mvm->trans->num_rx_queues; q++)
2694 memcpy(ptk_pn->q[q].pn[tid],
2696 IEEE80211_CCMP_PN_LEN);
2699 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
2702 /* in HW restart reuse the index, otherwise request a new one */
2703 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
2704 key_offset = key->hw_key_idx;
2706 key_offset = STA_KEY_IDX_INVALID;
2708 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2709 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
2711 IWL_WARN(mvm, "set key failed\n");
2713 * can't add key for RX, but we don't need it
2714 * in the device for TX so still return 0
2716 key->hw_key_idx = STA_KEY_IDX_INVALID;
2722 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2727 if (sta && iwl_mvm_has_new_rx_api(mvm) &&
2728 key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
2729 (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
2730 key->cipher == WLAN_CIPHER_SUITE_GCMP)) {
2731 mvmsta = iwl_mvm_sta_from_mac80211(sta);
2732 ptk_pn = rcu_dereference_protected(
2733 mvmsta->ptk_pn[keyidx],
2734 lockdep_is_held(&mvm->mutex));
2735 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
2737 kfree_rcu(ptk_pn, rcu_head);
2740 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2741 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2747 mutex_unlock(&mvm->mutex);
2751 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2752 struct ieee80211_vif *vif,
2753 struct ieee80211_key_conf *keyconf,
2754 struct ieee80211_sta *sta,
2755 u32 iv32, u16 *phase1key)
2757 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2759 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2762 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2766 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2767 struct iwl_rx_packet *pkt, void *data)
2769 struct iwl_mvm *mvm =
2770 container_of(notif_wait, struct iwl_mvm, notif_wait);
2771 struct iwl_hs20_roc_res *resp;
2772 int resp_len = iwl_rx_packet_payload_len(pkt);
2773 struct iwl_mvm_time_event_data *te_data = data;
2775 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2778 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2779 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2783 resp = (void *)pkt->data;
2786 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2787 resp->status, resp->event_unique_id);
2789 te_data->uid = le32_to_cpu(resp->event_unique_id);
2790 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2793 spin_lock_bh(&mvm->time_event_lock);
2794 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2795 spin_unlock_bh(&mvm->time_event_lock);
2800 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
2801 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
2802 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
2803 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
2804 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
2805 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
2806 struct ieee80211_channel *channel,
2807 struct ieee80211_vif *vif,
2810 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
2811 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2812 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
2813 static const u16 time_event_response[] = { HOT_SPOT_CMD };
2814 struct iwl_notification_wait wait_time_event;
2815 u32 dtim_interval = vif->bss_conf.dtim_period *
2816 vif->bss_conf.beacon_int;
2818 struct iwl_hs20_roc_req aux_roc_req = {
2819 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
2821 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
2822 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
2823 /* Set the channel info data */
2824 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
2825 PHY_BAND_24 : PHY_BAND_5,
2826 .channel_info.channel = channel->hw_value,
2827 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
2828 /* Set the time and duration */
2829 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
2832 delay = AUX_ROC_MIN_DELAY;
2833 req_dur = MSEC_TO_TU(duration);
2836 * If we are associated we want the delay time to be at least one
2837 * dtim interval so that the FW can wait until after the DTIM and
2838 * then start the time event, this will potentially allow us to
2839 * remain off-channel for the max duration.
2840 * Since we want to use almost a whole dtim interval we would also
2841 * like the delay to be for 2-3 dtim intervals, in case there are
2842 * other time events with higher priority.
2844 if (vif->bss_conf.assoc) {
2845 delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY);
2846 /* We cannot remain off-channel longer than the DTIM interval */
2847 if (dtim_interval <= req_dur) {
2848 req_dur = dtim_interval - AUX_ROC_SAFETY_BUFFER;
2849 if (req_dur <= AUX_ROC_MIN_DURATION)
2850 req_dur = dtim_interval -
2851 AUX_ROC_MIN_SAFETY_BUFFER;
2855 aux_roc_req.duration = cpu_to_le32(req_dur);
2856 aux_roc_req.apply_time_max_delay = cpu_to_le32(delay);
2859 "ROC: Requesting to remain on channel %u for %ums (requested = %ums, max_delay = %ums, dtim_interval = %ums)\n",
2860 channel->hw_value, req_dur, duration, delay,
2862 /* Set the node address */
2863 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
2865 lockdep_assert_held(&mvm->mutex);
2867 spin_lock_bh(&mvm->time_event_lock);
2869 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
2870 spin_unlock_bh(&mvm->time_event_lock);
2875 te_data->duration = duration;
2876 te_data->id = HOT_SPOT_CMD;
2878 spin_unlock_bh(&mvm->time_event_lock);
2881 * Use a notification wait, which really just processes the
2882 * command response and doesn't wait for anything, in order
2883 * to be able to process the response and get the UID inside
2884 * the RX path. Using CMD_WANT_SKB doesn't work because it
2885 * stores the buffer and then wakes up this thread, by which
2886 * time another notification (that the time event started)
2887 * might already be processed unsuccessfully.
2889 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
2890 time_event_response,
2891 ARRAY_SIZE(time_event_response),
2892 iwl_mvm_rx_aux_roc, te_data);
2894 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
2898 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
2899 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
2903 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
2904 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
2905 /* should never fail */
2910 spin_lock_bh(&mvm->time_event_lock);
2911 iwl_mvm_te_clear_data(mvm, te_data);
2912 spin_unlock_bh(&mvm->time_event_lock);
2918 static int iwl_mvm_roc(struct ieee80211_hw *hw,
2919 struct ieee80211_vif *vif,
2920 struct ieee80211_channel *channel,
2922 enum ieee80211_roc_type type)
2924 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2925 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2926 struct cfg80211_chan_def chandef;
2927 struct iwl_mvm_phy_ctxt *phy_ctxt;
2930 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
2933 flush_work(&mvm->roc_done_wk);
2935 mutex_lock(&mvm->mutex);
2937 switch (vif->type) {
2938 case NL80211_IFTYPE_STATION:
2939 if (fw_has_capa(&mvm->fw->ucode_capa,
2940 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
2941 /* Use aux roc framework (HS20) */
2942 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
2946 IWL_ERR(mvm, "hotspot not supported\n");
2949 case NL80211_IFTYPE_P2P_DEVICE:
2953 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
2958 for (i = 0; i < NUM_PHY_CTX; i++) {
2959 phy_ctxt = &mvm->phy_ctxts[i];
2960 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
2963 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
2965 * Unbind the P2P_DEVICE from the current PHY context,
2966 * and if the PHY context is not used remove it.
2968 ret = iwl_mvm_binding_remove_vif(mvm, vif);
2969 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
2972 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
2974 /* Bind the P2P_DEVICE to the current PHY Context */
2975 mvmvif->phy_ctxt = phy_ctxt;
2977 ret = iwl_mvm_binding_add_vif(mvm, vif);
2978 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
2981 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
2982 goto schedule_time_event;
2986 /* Need to update the PHY context only if the ROC channel changed */
2987 if (channel == mvmvif->phy_ctxt->channel)
2988 goto schedule_time_event;
2990 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
2993 * Change the PHY context configuration as it is currently referenced
2994 * only by the P2P Device MAC
2996 if (mvmvif->phy_ctxt->ref == 1) {
2997 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
3003 * The PHY context is shared with other MACs. Need to remove the
3004 * P2P Device from the binding, allocate an new PHY context and
3005 * create a new binding
3007 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3013 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
3016 IWL_ERR(mvm, "Failed to change PHY context\n");
3020 /* Unbind the P2P_DEVICE from the current PHY context */
3021 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3022 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3025 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3027 /* Bind the P2P_DEVICE to the new allocated PHY context */
3028 mvmvif->phy_ctxt = phy_ctxt;
3030 ret = iwl_mvm_binding_add_vif(mvm, vif);
3031 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3034 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3037 schedule_time_event:
3038 /* Schedule the time events */
3039 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
3042 mutex_unlock(&mvm->mutex);
3043 IWL_DEBUG_MAC80211(mvm, "leave\n");
3047 static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
3049 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3051 IWL_DEBUG_MAC80211(mvm, "enter\n");
3053 mutex_lock(&mvm->mutex);
3054 iwl_mvm_stop_roc(mvm);
3055 mutex_unlock(&mvm->mutex);
3057 IWL_DEBUG_MAC80211(mvm, "leave\n");
3061 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
3062 struct ieee80211_chanctx_conf *ctx)
3064 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3065 struct iwl_mvm_phy_ctxt *phy_ctxt;
3068 lockdep_assert_held(&mvm->mutex);
3070 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
3072 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3078 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
3079 ctx->rx_chains_static,
3080 ctx->rx_chains_dynamic);
3082 IWL_ERR(mvm, "Failed to add PHY context\n");
3086 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
3087 *phy_ctxt_id = phy_ctxt->id;
3092 static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
3093 struct ieee80211_chanctx_conf *ctx)
3095 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3098 mutex_lock(&mvm->mutex);
3099 ret = __iwl_mvm_add_chanctx(mvm, ctx);
3100 mutex_unlock(&mvm->mutex);
3105 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
3106 struct ieee80211_chanctx_conf *ctx)
3108 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3109 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3111 lockdep_assert_held(&mvm->mutex);
3113 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
3116 static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
3117 struct ieee80211_chanctx_conf *ctx)
3119 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3121 mutex_lock(&mvm->mutex);
3122 __iwl_mvm_remove_chanctx(mvm, ctx);
3123 mutex_unlock(&mvm->mutex);
3126 static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
3127 struct ieee80211_chanctx_conf *ctx,
3130 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3131 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3132 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3134 if (WARN_ONCE((phy_ctxt->ref > 1) &&
3135 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
3136 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
3137 IEEE80211_CHANCTX_CHANGE_RADAR |
3138 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
3139 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3140 phy_ctxt->ref, changed))
3143 mutex_lock(&mvm->mutex);
3144 iwl_mvm_bt_coex_vif_change(mvm);
3145 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
3146 ctx->rx_chains_static,
3147 ctx->rx_chains_dynamic);
3148 mutex_unlock(&mvm->mutex);
3151 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
3152 struct ieee80211_vif *vif,
3153 struct ieee80211_chanctx_conf *ctx,
3154 bool switching_chanctx)
3156 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3157 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3158 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3161 lockdep_assert_held(&mvm->mutex);
3163 mvmvif->phy_ctxt = phy_ctxt;
3165 switch (vif->type) {
3166 case NL80211_IFTYPE_AP:
3167 /* only needed if we're switching chanctx (i.e. during CSA) */
3168 if (switching_chanctx) {
3169 mvmvif->ap_ibss_active = true;
3172 case NL80211_IFTYPE_ADHOC:
3174 * The AP binding flow is handled as part of the start_ap flow
3175 * (in bss_info_changed), similarly for IBSS.
3179 case NL80211_IFTYPE_STATION:
3181 case NL80211_IFTYPE_MONITOR:
3182 /* always disable PS when a monitor interface is active */
3183 mvmvif->ps_disabled = true;
3190 ret = iwl_mvm_binding_add_vif(mvm, vif);
3195 * Power state must be updated before quotas,
3196 * otherwise fw will complain.
3198 iwl_mvm_power_update_mac(mvm);
3200 /* Setting the quota at this stage is only required for monitor
3201 * interfaces. For the other types, the bss_info changed flow
3202 * will handle quota settings.
3204 if (vif->type == NL80211_IFTYPE_MONITOR) {
3205 mvmvif->monitor_active = true;
3206 ret = iwl_mvm_update_quotas(mvm, false, NULL);
3208 goto out_remove_binding;
3210 ret = iwl_mvm_add_snif_sta(mvm, vif);
3212 goto out_remove_binding;
3216 /* Handle binding during CSA */
3217 if (vif->type == NL80211_IFTYPE_AP) {
3218 iwl_mvm_update_quotas(mvm, false, NULL);
3219 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3222 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
3223 u32 duration = 2 * vif->bss_conf.beacon_int;
3225 /* iwl_mvm_protect_session() reads directly from the
3226 * device (the system time), so make sure it is
3229 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
3231 goto out_remove_binding;
3233 /* Protect the session to make sure we hear the first
3234 * beacon on the new channel.
3236 iwl_mvm_protect_session(mvm, vif, duration, duration,
3237 vif->bss_conf.beacon_int / 2,
3240 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
3242 iwl_mvm_update_quotas(mvm, false, NULL);
3248 iwl_mvm_binding_remove_vif(mvm, vif);
3249 iwl_mvm_power_update_mac(mvm);
3252 mvmvif->phy_ctxt = NULL;
3255 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
3256 struct ieee80211_vif *vif,
3257 struct ieee80211_chanctx_conf *ctx)
3259 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3262 mutex_lock(&mvm->mutex);
3263 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
3264 mutex_unlock(&mvm->mutex);
3269 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
3270 struct ieee80211_vif *vif,
3271 struct ieee80211_chanctx_conf *ctx,
3272 bool switching_chanctx)
3274 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3275 struct ieee80211_vif *disabled_vif = NULL;
3277 lockdep_assert_held(&mvm->mutex);
3279 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
3281 switch (vif->type) {
3282 case NL80211_IFTYPE_ADHOC:
3284 case NL80211_IFTYPE_MONITOR:
3285 mvmvif->monitor_active = false;
3286 mvmvif->ps_disabled = false;
3287 iwl_mvm_rm_snif_sta(mvm, vif);
3289 case NL80211_IFTYPE_AP:
3290 /* This part is triggered only during CSA */
3291 if (!switching_chanctx || !mvmvif->ap_ibss_active)
3294 mvmvif->csa_countdown = false;
3296 /* Set CS bit on all the stations */
3297 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
3299 /* Save blocked iface, the timeout is set on the next beacon */
3300 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
3302 mvmvif->ap_ibss_active = false;
3304 case NL80211_IFTYPE_STATION:
3305 if (!switching_chanctx)
3310 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
3316 iwl_mvm_update_quotas(mvm, false, disabled_vif);
3317 iwl_mvm_binding_remove_vif(mvm, vif);
3320 mvmvif->phy_ctxt = NULL;
3321 iwl_mvm_power_update_mac(mvm);
3324 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
3325 struct ieee80211_vif *vif,
3326 struct ieee80211_chanctx_conf *ctx)
3328 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3330 mutex_lock(&mvm->mutex);
3331 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
3332 mutex_unlock(&mvm->mutex);
3336 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
3337 struct ieee80211_vif_chanctx_switch *vifs)
3341 mutex_lock(&mvm->mutex);
3342 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3343 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
3345 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
3347 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
3351 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3355 "failed to assign new_ctx during channel switch\n");
3359 /* we don't support TDLS during DCM - can be caused by channel switch */
3360 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3361 iwl_mvm_teardown_tdls_peers(mvm);
3366 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
3369 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
3370 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
3374 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3376 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3383 /* things keep failing, better restart the hw */
3384 iwl_mvm_nic_restart(mvm, false);
3387 mutex_unlock(&mvm->mutex);
3393 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
3394 struct ieee80211_vif_chanctx_switch *vifs)
3398 mutex_lock(&mvm->mutex);
3399 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3401 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3405 "failed to assign new_ctx during channel switch\n");
3412 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3414 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3421 /* things keep failing, better restart the hw */
3422 iwl_mvm_nic_restart(mvm, false);
3425 mutex_unlock(&mvm->mutex);
3430 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
3431 struct ieee80211_vif_chanctx_switch *vifs,
3433 enum ieee80211_chanctx_switch_mode mode)
3435 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3438 /* we only support a single-vif right now */
3443 case CHANCTX_SWMODE_SWAP_CONTEXTS:
3444 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
3446 case CHANCTX_SWMODE_REASSIGN_VIF:
3447 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
3457 static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
3458 struct ieee80211_sta *sta,
3461 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3462 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3464 if (!mvm_sta || !mvm_sta->vif) {
3465 IWL_ERR(mvm, "Station is not associated to a vif\n");
3469 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
3472 #ifdef CONFIG_NL80211_TESTMODE
3473 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
3474 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
3475 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
3476 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
3479 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
3480 struct ieee80211_vif *vif,
3481 void *data, int len)
3483 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
3487 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
3491 if (!tb[IWL_MVM_TM_ATTR_CMD])
3494 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
3495 case IWL_MVM_TM_CMD_SET_NOA:
3496 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
3497 !vif->bss_conf.enable_beacon ||
3498 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
3501 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
3502 if (noa_duration >= vif->bss_conf.beacon_int)
3505 mvm->noa_duration = noa_duration;
3508 return iwl_mvm_update_quotas(mvm, false, NULL);
3509 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3510 /* must be associated client vif - ignore authorized */
3511 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3512 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3513 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3516 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
3517 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3518 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3524 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3525 struct ieee80211_vif *vif,
3526 void *data, int len)
3528 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3531 mutex_lock(&mvm->mutex);
3532 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3533 mutex_unlock(&mvm->mutex);
3539 static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
3540 struct ieee80211_vif *vif,
3541 struct ieee80211_channel_switch *chsw)
3543 /* By implementing this operation, we prevent mac80211 from
3544 * starting its own channel switch timer, so that we can call
3545 * ieee80211_chswitch_done() ourselves at the right time
3546 * (which is when the absence time event starts).
3549 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
3550 "dummy channel switch op\n");
3553 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
3554 struct ieee80211_vif *vif,
3555 struct ieee80211_channel_switch *chsw)
3557 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3558 struct ieee80211_vif *csa_vif;
3559 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3563 mutex_lock(&mvm->mutex);
3565 mvmvif->csa_failed = false;
3567 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
3568 chsw->chandef.center_freq1);
3570 iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH);
3572 switch (vif->type) {
3573 case NL80211_IFTYPE_AP:
3575 rcu_dereference_protected(mvm->csa_vif,
3576 lockdep_is_held(&mvm->mutex));
3577 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
3578 "Another CSA is already in progress")) {
3583 rcu_assign_pointer(mvm->csa_vif, vif);
3585 if (WARN_ONCE(mvmvif->csa_countdown,
3586 "Previous CSA countdown didn't complete")) {
3592 case NL80211_IFTYPE_STATION:
3593 /* Schedule the time event to a bit before beacon 1,
3594 * to make sure we're in the new channel when the
3597 apply_time = chsw->device_timestamp +
3598 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
3599 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
3602 iwl_mvm_csa_client_absent(mvm, vif);
3604 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
3606 if (mvmvif->bf_data.bf_enabled) {
3607 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3617 mvmvif->ps_disabled = true;
3619 ret = iwl_mvm_power_update_ps(mvm);
3623 /* we won't be on this channel any longer */
3624 iwl_mvm_teardown_tdls_peers(mvm);
3627 mutex_unlock(&mvm->mutex);
3632 static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
3633 struct ieee80211_vif *vif)
3635 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3636 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3639 mutex_lock(&mvm->mutex);
3641 if (mvmvif->csa_failed) {
3642 mvmvif->csa_failed = false;
3647 if (vif->type == NL80211_IFTYPE_STATION) {
3648 struct iwl_mvm_sta *mvmsta;
3650 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
3653 if (WARN_ON(!mvmsta)) {
3658 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
3660 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3662 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3666 iwl_mvm_stop_session_protection(mvm, vif);
3669 mvmvif->ps_disabled = false;
3671 ret = iwl_mvm_power_update_ps(mvm);
3674 mutex_unlock(&mvm->mutex);
3679 static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3680 struct ieee80211_vif *vif, u32 queues, bool drop)
3682 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3683 struct iwl_mvm_vif *mvmvif;
3684 struct iwl_mvm_sta *mvmsta;
3685 struct ieee80211_sta *sta;
3689 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3692 mutex_lock(&mvm->mutex);
3693 mvmvif = iwl_mvm_vif_from_mac80211(vif);
3695 /* flush the AP-station and all TDLS peers */
3696 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
3697 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
3698 lockdep_is_held(&mvm->mutex));
3699 if (IS_ERR_OR_NULL(sta))
3702 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3703 if (mvmsta->vif != vif)
3706 /* make sure only TDLS peers or the AP are flushed */
3707 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
3709 msk |= mvmsta->tfd_queue_msk;
3713 if (iwl_mvm_flush_tx_path(mvm, msk, 0))
3714 IWL_ERR(mvm, "flush request fail\n");
3715 mutex_unlock(&mvm->mutex);
3717 mutex_unlock(&mvm->mutex);
3719 /* this can take a while, and we may need/want other operations
3720 * to succeed while doing this, so do it without the mutex held
3722 iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
3726 static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
3727 struct survey_info *survey)
3729 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3732 memset(survey, 0, sizeof(*survey));
3734 /* only support global statistics right now */
3738 if (fw_has_capa(&mvm->fw->ucode_capa,
3739 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
3742 mutex_lock(&mvm->mutex);
3744 if (mvm->ucode_loaded) {
3745 ret = iwl_mvm_request_statistics(mvm, false);
3750 survey->filled = SURVEY_INFO_TIME |
3751 SURVEY_INFO_TIME_RX |
3752 SURVEY_INFO_TIME_TX |
3753 SURVEY_INFO_TIME_SCAN;
3754 survey->time = mvm->accu_radio_stats.on_time_rf +
3755 mvm->radio_stats.on_time_rf;
3756 do_div(survey->time, USEC_PER_MSEC);
3758 survey->time_rx = mvm->accu_radio_stats.rx_time +
3759 mvm->radio_stats.rx_time;
3760 do_div(survey->time_rx, USEC_PER_MSEC);
3762 survey->time_tx = mvm->accu_radio_stats.tx_time +
3763 mvm->radio_stats.tx_time;
3764 do_div(survey->time_tx, USEC_PER_MSEC);
3766 survey->time_scan = mvm->accu_radio_stats.on_time_scan +
3767 mvm->radio_stats.on_time_scan;
3768 do_div(survey->time_scan, USEC_PER_MSEC);
3772 mutex_unlock(&mvm->mutex);
3776 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
3777 struct ieee80211_vif *vif,
3778 struct ieee80211_sta *sta,
3779 struct station_info *sinfo)
3781 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3782 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3783 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3785 if (fw_has_capa(&mvm->fw->ucode_capa,
3786 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
3789 /* if beacon filtering isn't on mac80211 does it anyway */
3790 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
3793 if (!vif->bss_conf.assoc)
3796 mutex_lock(&mvm->mutex);
3798 if (mvmvif->ap_sta_id != mvmsta->sta_id)
3801 if (iwl_mvm_request_statistics(mvm, false))
3804 sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
3805 mvmvif->beacon_stats.accu_num_beacons;
3806 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
3807 if (mvmvif->beacon_stats.avg_signal) {
3808 /* firmware only reports a value after RXing a few beacons */
3809 sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
3810 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
3813 mutex_unlock(&mvm->mutex);
3816 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
3817 struct ieee80211_vif *vif,
3818 const struct ieee80211_event *event)
3820 #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
3822 if ((_cnt) && --(_cnt)) \
3824 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
3827 struct iwl_fw_dbg_trigger_tlv *trig;
3828 struct iwl_fw_dbg_trigger_mlme *trig_mlme;
3830 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
3833 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
3834 trig_mlme = (void *)trig->data;
3835 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3838 if (event->u.mlme.data == ASSOC_EVENT) {
3839 if (event->u.mlme.status == MLME_DENIED)
3840 CHECK_MLME_TRIGGER(mvm, trig, buf,
3841 trig_mlme->stop_assoc_denied,
3842 "DENIED ASSOC: reason %d",
3843 event->u.mlme.reason);
3844 else if (event->u.mlme.status == MLME_TIMEOUT)
3845 CHECK_MLME_TRIGGER(mvm, trig, buf,
3846 trig_mlme->stop_assoc_timeout,
3848 } else if (event->u.mlme.data == AUTH_EVENT) {
3849 if (event->u.mlme.status == MLME_DENIED)
3850 CHECK_MLME_TRIGGER(mvm, trig, buf,
3851 trig_mlme->stop_auth_denied,
3852 "DENIED AUTH: reason %d",
3853 event->u.mlme.reason);
3854 else if (event->u.mlme.status == MLME_TIMEOUT)
3855 CHECK_MLME_TRIGGER(mvm, trig, buf,
3856 trig_mlme->stop_auth_timeout,
3858 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
3859 CHECK_MLME_TRIGGER(mvm, trig, buf,
3860 trig_mlme->stop_rx_deauth,
3861 "DEAUTH RX %d", event->u.mlme.reason);
3862 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
3863 CHECK_MLME_TRIGGER(mvm, trig, buf,
3864 trig_mlme->stop_tx_deauth,
3865 "DEAUTH TX %d", event->u.mlme.reason);
3867 #undef CHECK_MLME_TRIGGER
3870 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
3871 struct ieee80211_vif *vif,
3872 const struct ieee80211_event *event)
3874 struct iwl_fw_dbg_trigger_tlv *trig;
3875 struct iwl_fw_dbg_trigger_ba *ba_trig;
3877 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
3880 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
3881 ba_trig = (void *)trig->data;
3882 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3885 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
3888 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
3889 "BAR received from %pM, tid %d, ssn %d",
3890 event->u.ba.sta->addr, event->u.ba.tid,
3895 iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
3896 struct ieee80211_vif *vif,
3897 const struct ieee80211_event *event)
3899 struct iwl_fw_dbg_trigger_tlv *trig;
3900 struct iwl_fw_dbg_trigger_ba *ba_trig;
3902 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
3905 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
3906 ba_trig = (void *)trig->data;
3907 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
3910 if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid)))
3913 iwl_mvm_fw_dbg_collect_trig(mvm, trig,
3914 "Frame from %pM timed out, tid %d",
3915 event->u.ba.sta->addr, event->u.ba.tid);
3918 static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
3919 struct ieee80211_vif *vif,
3920 const struct ieee80211_event *event)
3922 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3924 switch (event->type) {
3926 iwl_mvm_event_mlme_callback(mvm, vif, event);
3929 iwl_mvm_event_bar_rx_callback(mvm, vif, event);
3931 case BA_FRAME_TIMEOUT:
3932 iwl_mvm_event_frame_timeout_callback(mvm, vif, event);
3939 const struct ieee80211_ops iwl_mvm_hw_ops = {
3940 .tx = iwl_mvm_mac_tx,
3941 .ampdu_action = iwl_mvm_mac_ampdu_action,
3942 .start = iwl_mvm_mac_start,
3943 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
3944 .stop = iwl_mvm_mac_stop,
3945 .add_interface = iwl_mvm_mac_add_interface,
3946 .remove_interface = iwl_mvm_mac_remove_interface,
3947 .config = iwl_mvm_mac_config,
3948 .prepare_multicast = iwl_mvm_prepare_multicast,
3949 .configure_filter = iwl_mvm_configure_filter,
3950 .config_iface_filter = iwl_mvm_config_iface_filter,
3951 .bss_info_changed = iwl_mvm_bss_info_changed,
3952 .hw_scan = iwl_mvm_mac_hw_scan,
3953 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
3954 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
3955 .sta_state = iwl_mvm_mac_sta_state,
3956 .sta_notify = iwl_mvm_mac_sta_notify,
3957 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
3958 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
3959 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
3960 .sta_rc_update = iwl_mvm_sta_rc_update,
3961 .conf_tx = iwl_mvm_mac_conf_tx,
3962 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
3963 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
3964 .flush = iwl_mvm_mac_flush,
3965 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
3966 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
3967 .set_key = iwl_mvm_mac_set_key,
3968 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
3969 .remain_on_channel = iwl_mvm_roc,
3970 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
3971 .add_chanctx = iwl_mvm_add_chanctx,
3972 .remove_chanctx = iwl_mvm_remove_chanctx,
3973 .change_chanctx = iwl_mvm_change_chanctx,
3974 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
3975 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
3976 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
3978 .start_ap = iwl_mvm_start_ap_ibss,
3979 .stop_ap = iwl_mvm_stop_ap_ibss,
3980 .join_ibss = iwl_mvm_start_ap_ibss,
3981 .leave_ibss = iwl_mvm_stop_ap_ibss,
3983 .set_tim = iwl_mvm_set_tim,
3985 .channel_switch = iwl_mvm_channel_switch,
3986 .pre_channel_switch = iwl_mvm_pre_channel_switch,
3987 .post_channel_switch = iwl_mvm_post_channel_switch,
3989 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
3990 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
3991 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
3993 .event_callback = iwl_mvm_mac_event_callback,
3995 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
3997 #ifdef CONFIG_PM_SLEEP
3999 .suspend = iwl_mvm_suspend,
4000 .resume = iwl_mvm_resume,
4001 .set_wakeup = iwl_mvm_set_wakeup,
4002 .set_rekey_data = iwl_mvm_set_rekey_data,
4003 #if IS_ENABLED(CONFIG_IPV6)
4004 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
4006 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
4008 .get_survey = iwl_mvm_mac_get_survey,
4009 .sta_statistics = iwl_mvm_mac_sta_statistics,