1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/kernel.h>
66 #include <linux/slab.h>
67 #include <linux/skbuff.h>
68 #include <linux/netdevice.h>
69 #include <linux/etherdevice.h>
71 #include <linux/if_arp.h>
72 #include <linux/devcoredump.h>
73 #include <net/mac80211.h>
74 #include <net/ieee80211_radiotap.h>
77 #include "iwl-op-mode.h"
81 #include "time-event.h"
82 #include "iwl-eeprom-parse.h"
83 #include "fw-api-scan.h"
84 #include "iwl-phy-db.h"
86 #include "iwl-fw-error-dump.h"
89 #include "iwl-nvm-parse.h"
91 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
94 .types = BIT(NL80211_IFTYPE_STATION),
98 .types = BIT(NL80211_IFTYPE_AP) |
99 BIT(NL80211_IFTYPE_P2P_CLIENT) |
100 BIT(NL80211_IFTYPE_P2P_GO),
104 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
108 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
110 .num_different_channels = 2,
112 .limits = iwl_mvm_limits,
113 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
117 #ifdef CONFIG_PM_SLEEP
118 static const struct nl80211_wowlan_tcp_data_token_feature
119 iwl_mvm_wowlan_tcp_token_feature = {
122 .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
125 static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
126 .tok = &iwl_mvm_wowlan_tcp_token_feature,
127 .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
128 sizeof(struct ethhdr) -
129 sizeof(struct iphdr) -
130 sizeof(struct tcphdr),
131 .data_interval_max = 65535, /* __le16 in API */
132 .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
133 sizeof(struct ethhdr) -
134 sizeof(struct iphdr) -
135 sizeof(struct tcphdr),
140 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
142 * Use the reserved field to indicate magic values.
143 * these values will only be used internally by the driver,
144 * and won't make it to the fw (reserved will be 0).
145 * BC_FILTER_MAGIC_IP - configure the val of this attribute to
146 * be the vif's ip address. in case there is not a single
147 * ip address (0, or more than 1), this attribute will
149 * BC_FILTER_MAGIC_MAC - set the val of this attribute to
150 * the LSB bytes of the vif's mac address
153 BC_FILTER_MAGIC_NONE = 0,
158 static const struct iwl_fw_bcast_filter iwl_mvm_default_bcast_filters[] = {
162 .frame_type = BCAST_FILTER_FRAME_TYPE_ALL,
165 /* frame type - arp, hw type - ethernet */
167 BCAST_FILTER_OFFSET_PAYLOAD_START,
168 .offset = sizeof(rfc1042_header),
169 .val = cpu_to_be32(0x08060001),
170 .mask = cpu_to_be32(0xffffffff),
175 BCAST_FILTER_OFFSET_PAYLOAD_START,
176 .offset = sizeof(rfc1042_header) + 2 +
177 sizeof(struct arphdr) +
178 ETH_ALEN + sizeof(__be32) +
180 .mask = cpu_to_be32(0xffffffff),
181 /* mark it as special field */
182 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_IP),
187 /* dhcp offer bcast */
189 .frame_type = BCAST_FILTER_FRAME_TYPE_IPV4,
192 /* udp dest port - 68 (bootp client)*/
193 .offset_type = BCAST_FILTER_OFFSET_IP_END,
194 .offset = offsetof(struct udphdr, dest),
195 .val = cpu_to_be32(0x00440000),
196 .mask = cpu_to_be32(0xffff0000),
199 /* dhcp - lsb bytes of client hw address */
200 .offset_type = BCAST_FILTER_OFFSET_IP_END,
202 .mask = cpu_to_be32(0xffffffff),
203 /* mark it as special field */
204 .reserved1 = cpu_to_le16(BC_FILTER_MAGIC_MAC),
208 /* last filter must be empty */
213 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
215 if (!iwl_mvm_is_d0i3_supported(mvm))
218 IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
219 spin_lock_bh(&mvm->refs_lock);
220 mvm->refs[ref_type]++;
221 spin_unlock_bh(&mvm->refs_lock);
222 iwl_trans_ref(mvm->trans);
225 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
227 if (!iwl_mvm_is_d0i3_supported(mvm))
230 IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
231 spin_lock_bh(&mvm->refs_lock);
232 WARN_ON(!mvm->refs[ref_type]--);
233 spin_unlock_bh(&mvm->refs_lock);
234 iwl_trans_unref(mvm->trans);
237 static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
238 enum iwl_mvm_ref_type except_ref)
242 if (!iwl_mvm_is_d0i3_supported(mvm))
245 spin_lock_bh(&mvm->refs_lock);
246 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
247 if (except_ref == i || !mvm->refs[i])
250 IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
252 for (j = 0; j < mvm->refs[i]; j++)
253 iwl_trans_unref(mvm->trans);
256 spin_unlock_bh(&mvm->refs_lock);
259 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm)
264 if (!iwl_mvm_is_d0i3_supported(mvm))
267 spin_lock_bh(&mvm->refs_lock);
268 for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
274 spin_unlock_bh(&mvm->refs_lock);
279 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
281 iwl_mvm_ref(mvm, ref_type);
283 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
284 !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status),
287 iwl_mvm_unref(mvm, ref_type);
294 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
298 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
299 for (i = 0; i < NUM_PHY_CTX; i++) {
300 mvm->phy_ctxts[i].id = i;
301 mvm->phy_ctxts[i].ref = 0;
305 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
307 enum iwl_mcc_source src_id,
310 struct ieee80211_regdomain *regd = NULL;
311 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
312 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
313 struct iwl_mcc_update_resp *resp;
315 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
317 lockdep_assert_held(&mvm->mutex);
319 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
320 if (IS_ERR_OR_NULL(resp)) {
321 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
327 *changed = (resp->status == MCC_RESP_NEW_CHAN_PROFILE);
329 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
330 __le32_to_cpu(resp->n_channels),
332 __le16_to_cpu(resp->mcc));
333 /* Store the return source id */
334 src_id = resp->source_id;
336 if (IS_ERR_OR_NULL(regd)) {
337 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
342 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
343 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
344 mvm->lar_regdom_set = true;
345 mvm->mcc_src = src_id;
351 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
354 struct ieee80211_regdomain *regd;
356 if (!iwl_mvm_is_lar_supported(mvm))
359 regd = iwl_mvm_get_current_regdomain(mvm, &changed);
360 if (!IS_ERR_OR_NULL(regd)) {
361 /* only update the regulatory core if changed */
363 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
369 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
372 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
373 iwl_mvm_is_wifi_mcc_supported(mvm) ?
374 MCC_SOURCE_GET_CURRENT :
375 MCC_SOURCE_OLD_FW, changed);
378 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
380 enum iwl_mcc_source used_src;
381 struct ieee80211_regdomain *regd;
384 const struct ieee80211_regdomain *r =
385 rtnl_dereference(mvm->hw->wiphy->regd);
390 /* save the last source in case we overwrite it below */
391 used_src = mvm->mcc_src;
392 if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
393 /* Notify the firmware we support wifi location updates */
394 regd = iwl_mvm_get_current_regdomain(mvm, NULL);
395 if (!IS_ERR_OR_NULL(regd))
399 /* Now set our last stored MCC and source */
400 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
402 if (IS_ERR_OR_NULL(regd))
405 /* update cfg80211 if the regdomain was changed */
407 ret = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
415 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
417 struct ieee80211_hw *hw = mvm->hw;
420 /* Tell mac80211 our characteristics */
421 hw->flags = IEEE80211_HW_SIGNAL_DBM |
422 IEEE80211_HW_SPECTRUM_MGMT |
423 IEEE80211_HW_REPORTS_TX_ACK_STATUS |
424 IEEE80211_HW_QUEUE_CONTROL |
425 IEEE80211_HW_WANT_MONITOR_VIF |
426 IEEE80211_HW_SUPPORTS_PS |
427 IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
428 IEEE80211_HW_AMPDU_AGGREGATION |
429 IEEE80211_HW_TIMING_BEACON_ONLY |
430 IEEE80211_HW_CONNECTION_MONITOR |
431 IEEE80211_HW_CHANCTX_STA_CSA |
432 IEEE80211_HW_SUPPORTS_CLONED_SKBS;
434 hw->queues = mvm->first_agg_queue;
435 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
436 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
437 IEEE80211_RADIOTAP_MCS_HAVE_STBC;
438 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
439 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
440 hw->rate_control_algorithm = "iwl-mvm-rs";
441 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
442 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
445 * Enable 11w if advertised by firmware and software crypto
446 * is not enabled (as the firmware will interpret some mgmt
447 * packets, so enabling it with software crypto isn't safe)
449 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
450 !iwlwifi_mod_params.sw_crypto)
451 hw->flags |= IEEE80211_HW_MFP_CAPABLE;
453 hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
454 hw->wiphy->features |=
455 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
456 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
458 hw->sta_data_size = sizeof(struct iwl_mvm_sta);
459 hw->vif_data_size = sizeof(struct iwl_mvm_vif);
460 hw->chanctx_data_size = sizeof(u16);
462 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
463 BIT(NL80211_IFTYPE_P2P_CLIENT) |
464 BIT(NL80211_IFTYPE_AP) |
465 BIT(NL80211_IFTYPE_P2P_GO) |
466 BIT(NL80211_IFTYPE_P2P_DEVICE) |
467 BIT(NL80211_IFTYPE_ADHOC);
469 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
470 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
471 if (iwl_mvm_is_lar_supported(mvm))
472 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
474 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
475 REGULATORY_DISABLE_BEACON_HINTS;
477 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_GO_UAPSD)
478 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
480 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
482 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
483 hw->wiphy->n_iface_combinations =
484 ARRAY_SIZE(iwl_mvm_iface_combinations);
486 hw->wiphy->max_remain_on_channel_duration = 10000;
487 hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
488 /* we can compensate an offset of up to 3 channels = 15 MHz */
489 hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
491 /* Extract MAC address */
492 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
493 hw->wiphy->addresses = mvm->addresses;
494 hw->wiphy->n_addresses = 1;
496 /* Extract additional MAC addresses if available */
497 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
498 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
500 for (i = 1; i < num_mac; i++) {
501 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
503 mvm->addresses[i].addr[5]++;
504 hw->wiphy->n_addresses++;
507 iwl_mvm_reset_phy_ctxts(mvm);
509 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false);
511 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
513 if (mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
514 hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
515 &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
516 if (mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels) {
517 hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
518 &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
520 if ((mvm->fw->ucode_capa.capa[0] &
521 IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
522 (mvm->fw->ucode_capa.api[0] &
523 IWL_UCODE_TLV_API_LQ_SS_PARAMS))
524 hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |=
525 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
528 hw->wiphy->hw_version = mvm->trans->hw_id;
530 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
531 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
533 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
535 if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
536 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
537 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
538 hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
539 /* we create the 802.11 header and zero length SSID IE. */
540 hw->wiphy->max_sched_scan_ie_len =
541 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
544 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
545 NL80211_FEATURE_LOW_PRIORITY_SCAN |
546 NL80211_FEATURE_P2P_GO_OPPPS |
547 NL80211_FEATURE_DYNAMIC_SMPS |
548 NL80211_FEATURE_STATIC_SMPS |
549 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
551 if (mvm->fw->ucode_capa.capa[0] &
552 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
553 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
554 if (mvm->fw->ucode_capa.capa[0] &
555 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
556 hw->wiphy->features |= NL80211_FEATURE_QUIET;
558 if (mvm->fw->ucode_capa.capa[0] &
559 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
560 hw->wiphy->features |=
561 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
563 if (mvm->fw->ucode_capa.capa[0] &
564 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
565 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
567 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
569 /* currently FW API supports only one optional cipher scheme */
570 if (mvm->fw->cs[0].cipher) {
571 mvm->hw->n_cipher_schemes = 1;
572 mvm->hw->cipher_schemes = &mvm->fw->cs[0];
575 #ifdef CONFIG_PM_SLEEP
576 if (iwl_mvm_is_d0i3_supported(mvm) &&
577 device_can_wakeup(mvm->trans->dev)) {
578 mvm->wowlan.flags = WIPHY_WOWLAN_ANY;
579 hw->wiphy->wowlan = &mvm->wowlan;
582 if (mvm->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
583 mvm->trans->ops->d3_suspend &&
584 mvm->trans->ops->d3_resume &&
585 device_can_wakeup(mvm->trans->dev)) {
586 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
587 WIPHY_WOWLAN_DISCONNECT |
588 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
589 WIPHY_WOWLAN_RFKILL_RELEASE |
590 WIPHY_WOWLAN_NET_DETECT;
591 if (!iwlwifi_mod_params.sw_crypto)
592 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
593 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
594 WIPHY_WOWLAN_4WAY_HANDSHAKE;
596 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
597 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
598 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
599 mvm->wowlan.max_nd_match_sets = IWL_SCAN_MAX_PROFILES;
600 mvm->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
601 hw->wiphy->wowlan = &mvm->wowlan;
605 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
606 /* assign default bcast filtering configuration */
607 mvm->bcast_filters = iwl_mvm_default_bcast_filters;
610 ret = iwl_mvm_leds_init(mvm);
614 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_TDLS_SUPPORT) {
615 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
616 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
619 if (mvm->fw->ucode_capa.capa[0] &
620 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH) {
621 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
622 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
625 ret = ieee80211_register_hw(mvm->hw);
627 iwl_mvm_leds_exit(mvm);
632 static bool iwl_mvm_defer_tx(struct iwl_mvm *mvm,
633 struct ieee80211_sta *sta,
636 struct iwl_mvm_sta *mvmsta;
640 * double check the IN_D0I3 flag both before and after
641 * taking the spinlock, in order to prevent taking
642 * the spinlock when not needed.
644 if (likely(!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status)))
647 spin_lock(&mvm->d0i3_tx_lock);
649 * testing the flag again ensures the skb dequeue
650 * loop (on d0i3 exit) hasn't run yet.
652 if (!test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status))
655 mvmsta = iwl_mvm_sta_from_mac80211(sta);
656 if (mvmsta->sta_id == IWL_MVM_STATION_COUNT ||
657 mvmsta->sta_id != mvm->d0i3_ap_sta_id)
660 __skb_queue_tail(&mvm->d0i3_tx, skb);
661 ieee80211_stop_queues(mvm->hw);
664 iwl_mvm_ref(mvm, IWL_MVM_REF_TX);
665 iwl_mvm_unref(mvm, IWL_MVM_REF_TX);
669 spin_unlock(&mvm->d0i3_tx_lock);
673 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
674 struct ieee80211_tx_control *control,
677 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
678 struct ieee80211_sta *sta = control->sta;
679 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
680 struct ieee80211_hdr *hdr = (void *)skb->data;
682 if (iwl_mvm_is_radio_killed(mvm)) {
683 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
687 if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
688 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
689 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
692 /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
693 if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
694 ieee80211_is_mgmt(hdr->frame_control) &&
695 !ieee80211_is_deauth(hdr->frame_control) &&
696 !ieee80211_is_disassoc(hdr->frame_control) &&
697 !ieee80211_is_action(hdr->frame_control)))
701 if (iwl_mvm_defer_tx(mvm, sta, skb))
703 if (iwl_mvm_tx_skb(mvm, skb, sta))
708 if (iwl_mvm_tx_skb_non_sta(mvm, skb))
712 ieee80211_free_txskb(hw, skb);
715 static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
717 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
722 static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
724 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
726 if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
729 /* enabled by default */
733 static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
734 struct ieee80211_vif *vif,
735 enum ieee80211_ampdu_mlme_action action,
736 struct ieee80211_sta *sta, u16 tid,
737 u16 *ssn, u8 buf_size)
739 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
741 bool tx_agg_ref = false;
743 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
744 sta->addr, tid, action);
746 if (!(mvm->nvm_data->sku_cap_11n_enable))
749 /* return from D0i3 before starting a new Tx aggregation */
751 case IEEE80211_AMPDU_TX_START:
752 case IEEE80211_AMPDU_TX_STOP_CONT:
753 case IEEE80211_AMPDU_TX_STOP_FLUSH:
754 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
755 case IEEE80211_AMPDU_TX_OPERATIONAL:
757 * for tx start, wait synchronously until D0i3 exit to
758 * get the correct sequence number for the tid.
759 * additionally, some other ampdu actions use direct
760 * target access, which is not handled automatically
761 * by the trans layer (unlike commands), so wait for
762 * d0i3 exit in these cases as well.
764 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG);
774 mutex_lock(&mvm->mutex);
777 case IEEE80211_AMPDU_RX_START:
778 if (!iwl_enable_rx_ampdu(mvm->cfg)) {
782 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true);
784 case IEEE80211_AMPDU_RX_STOP:
785 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
787 case IEEE80211_AMPDU_TX_START:
788 if (!iwl_enable_tx_ampdu(mvm->cfg)) {
792 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
794 case IEEE80211_AMPDU_TX_STOP_CONT:
795 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
797 case IEEE80211_AMPDU_TX_STOP_FLUSH:
798 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
799 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
801 case IEEE80211_AMPDU_TX_OPERATIONAL:
802 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
809 mutex_unlock(&mvm->mutex);
812 * If the tid is marked as started, we won't use it for offloaded
813 * traffic on the next D0i3 entry. It's safe to unref.
816 iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG);
821 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
822 struct ieee80211_vif *vif)
824 struct iwl_mvm *mvm = data;
825 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
827 mvmvif->uploaded = false;
828 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
830 spin_lock_bh(&mvm->time_event_lock);
831 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
832 spin_unlock_bh(&mvm->time_event_lock);
834 mvmvif->phy_ctxt = NULL;
835 memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
838 static ssize_t iwl_mvm_read_coredump(char *buffer, loff_t offset, size_t count,
839 const void *data, size_t datalen)
841 const struct iwl_mvm_dump_ptrs *dump_ptrs = data;
843 ssize_t bytes_read_trans;
845 if (offset < dump_ptrs->op_mode_len) {
846 bytes_read = min_t(ssize_t, count,
847 dump_ptrs->op_mode_len - offset);
848 memcpy(buffer, (u8 *)dump_ptrs->op_mode_ptr + offset,
850 offset += bytes_read;
859 if (!dump_ptrs->trans_ptr)
862 offset -= dump_ptrs->op_mode_len;
863 bytes_read_trans = min_t(ssize_t, count,
864 dump_ptrs->trans_ptr->len - offset);
865 memcpy(buffer + bytes_read,
866 (u8 *)dump_ptrs->trans_ptr->data + offset,
869 return bytes_read + bytes_read_trans;
872 static void iwl_mvm_free_coredump(const void *data)
874 const struct iwl_mvm_dump_ptrs *fw_error_dump = data;
876 vfree(fw_error_dump->op_mode_ptr);
877 vfree(fw_error_dump->trans_ptr);
878 kfree(fw_error_dump);
881 static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm,
882 struct iwl_fw_error_dump_data **dump_data)
884 struct iwl_fw_error_dump_fifo *fifo_hdr;
890 if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags))
893 /* Pull RXF data from all RXFs */
894 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) {
896 * Keep aside the additional offset that might be needed for
899 u32 offset_diff = RXF_DIFF_FROM_PREV * i;
901 fifo_hdr = (void *)(*dump_data)->data;
902 fifo_data = (void *)fifo_hdr->data;
903 fifo_len = mvm->shared_mem_cfg.rxfifo_size[i];
905 /* No need to try to read the data if the length is 0 */
909 /* Add a TLV for the RXF */
910 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
911 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
913 fifo_hdr->fifo_num = cpu_to_le32(i);
914 fifo_hdr->available_bytes =
915 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
919 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
923 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
926 fifo_hdr->fence_ptr =
927 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
930 fifo_hdr->fence_mode =
931 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
936 iwl_trans_write_prph(mvm->trans,
937 RXF_SET_FENCE_MODE + offset_diff, 0x1);
938 /* Set fence pointer to the same place like WR pointer */
939 iwl_trans_write_prph(mvm->trans,
940 RXF_LD_WR2FENCE + offset_diff, 0x1);
941 /* Set fence offset */
942 iwl_trans_write_prph(mvm->trans,
943 RXF_LD_FENCE_OFFSET_ADDR + offset_diff,
947 fifo_len /= sizeof(u32); /* Size in DWORDS */
948 for (j = 0; j < fifo_len; j++)
949 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
950 RXF_FIFO_RD_FENCE_INC +
952 *dump_data = iwl_fw_error_next_data(*dump_data);
955 /* Pull TXF data from all TXFs */
956 for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) {
957 /* Mark the number of TXF we're pulling now */
958 iwl_trans_write_prph(mvm->trans, TXF_LARC_NUM, i);
960 fifo_hdr = (void *)(*dump_data)->data;
961 fifo_data = (void *)fifo_hdr->data;
962 fifo_len = mvm->shared_mem_cfg.txfifo_size[i];
964 /* No need to try to read the data if the length is 0 */
968 /* Add a TLV for the FIFO */
969 (*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXF);
970 (*dump_data)->len = cpu_to_le32(fifo_len + sizeof(*fifo_hdr));
972 fifo_hdr->fifo_num = cpu_to_le32(i);
973 fifo_hdr->available_bytes =
974 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
977 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
980 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
982 fifo_hdr->fence_ptr =
983 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
985 fifo_hdr->fence_mode =
986 cpu_to_le32(iwl_trans_read_prph(mvm->trans,
989 /* Set the TXF_READ_MODIFY_ADDR to TXF_WR_PTR */
990 iwl_trans_write_prph(mvm->trans, TXF_READ_MODIFY_ADDR,
993 /* Dummy-read to advance the read pointer to the head */
994 iwl_trans_read_prph(mvm->trans, TXF_READ_MODIFY_DATA);
997 fifo_len /= sizeof(u32); /* Size in DWORDS */
998 for (j = 0; j < fifo_len; j++)
999 fifo_data[j] = iwl_trans_read_prph(mvm->trans,
1000 TXF_READ_MODIFY_DATA);
1001 *dump_data = iwl_fw_error_next_data(*dump_data);
1004 iwl_trans_release_nic_access(mvm->trans, &flags);
1007 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm)
1009 if (mvm->fw_dump_desc == &iwl_mvm_dump_desc_assert ||
1013 kfree(mvm->fw_dump_desc);
1014 mvm->fw_dump_desc = NULL;
1017 #define IWL8260_ICCM_OFFSET 0x44000 /* Only for B-step */
1018 #define IWL8260_ICCM_LEN 0xC000 /* Only for B-step */
1020 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
1022 struct iwl_fw_error_dump_file *dump_file;
1023 struct iwl_fw_error_dump_data *dump_data;
1024 struct iwl_fw_error_dump_info *dump_info;
1025 struct iwl_fw_error_dump_mem *dump_mem;
1026 struct iwl_fw_error_dump_trigger_desc *dump_trig;
1027 struct iwl_mvm_dump_ptrs *fw_error_dump;
1028 u32 sram_len, sram_ofs;
1029 u32 file_len, fifo_data_len = 0;
1030 u32 smem_len = mvm->cfg->smem_len;
1031 u32 sram2_len = mvm->cfg->dccm2_len;
1033 lockdep_assert_held(&mvm->mutex);
1035 fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
1039 /* SRAM - include stack CCM if driver knows the values for it */
1040 if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) {
1041 const struct fw_img *img;
1043 img = &mvm->fw->img[mvm->cur_ucode];
1044 sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
1045 sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
1047 sram_ofs = mvm->cfg->dccm_offset;
1048 sram_len = mvm->cfg->dccm_len;
1051 /* reading RXF/TXF sizes */
1052 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status)) {
1053 struct iwl_mvm_shared_mem_cfg *mem_cfg = &mvm->shared_mem_cfg;
1058 /* Count RXF size */
1059 for (i = 0; i < ARRAY_SIZE(mem_cfg->rxfifo_size); i++) {
1060 if (!mem_cfg->rxfifo_size[i])
1063 /* Add header info */
1064 fifo_data_len += mem_cfg->rxfifo_size[i] +
1065 sizeof(*dump_data) +
1066 sizeof(struct iwl_fw_error_dump_fifo);
1069 for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) {
1070 if (!mem_cfg->txfifo_size[i])
1073 /* Add header info */
1074 fifo_data_len += mem_cfg->txfifo_size[i] +
1075 sizeof(*dump_data) +
1076 sizeof(struct iwl_fw_error_dump_fifo);
1080 file_len = sizeof(*dump_file) +
1081 sizeof(*dump_data) * 2 +
1082 sram_len + sizeof(*dump_mem) +
1087 * In 8000 HW family B-step include the ICCM (which resides separately)
1089 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
1090 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP)
1091 file_len += sizeof(*dump_data) + sizeof(*dump_mem) +
1094 if (mvm->fw_dump_desc)
1095 file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
1096 mvm->fw_dump_desc->len;
1098 /* Make room for the SMEM, if it exists */
1100 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len;
1102 /* Make room for the secondary SRAM, if it exists */
1104 file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len;
1106 dump_file = vzalloc(file_len);
1108 kfree(fw_error_dump);
1109 iwl_mvm_free_fw_dump_desc(mvm);
1113 fw_error_dump->op_mode_ptr = dump_file;
1115 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
1116 dump_data = (void *)dump_file->data;
1118 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
1119 dump_data->len = cpu_to_le32(sizeof(*dump_info));
1120 dump_info = (void *) dump_data->data;
1121 dump_info->device_family =
1122 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
1123 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
1124 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
1125 dump_info->hw_step = cpu_to_le32(CSR_HW_REV_STEP(mvm->trans->hw_rev));
1126 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
1127 sizeof(dump_info->fw_human_readable));
1128 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
1129 sizeof(dump_info->dev_human_readable));
1130 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
1131 sizeof(dump_info->bus_human_readable));
1133 dump_data = iwl_fw_error_next_data(dump_data);
1134 /* We only dump the FIFOs if the FW is in error state */
1135 if (test_bit(STATUS_FW_ERROR, &mvm->trans->status))
1136 iwl_mvm_dump_fifos(mvm, &dump_data);
1138 if (mvm->fw_dump_desc) {
1139 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
1140 dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
1141 mvm->fw_dump_desc->len);
1142 dump_trig = (void *)dump_data->data;
1143 memcpy(dump_trig, &mvm->fw_dump_desc->trig_desc,
1144 sizeof(*dump_trig) + mvm->fw_dump_desc->len);
1146 /* now we can free this copy */
1147 iwl_mvm_free_fw_dump_desc(mvm);
1148 dump_data = iwl_fw_error_next_data(dump_data);
1151 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1152 dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
1153 dump_mem = (void *)dump_data->data;
1154 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1155 dump_mem->offset = cpu_to_le32(sram_ofs);
1156 iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_mem->data,
1160 dump_data = iwl_fw_error_next_data(dump_data);
1161 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1162 dump_data->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
1163 dump_mem = (void *)dump_data->data;
1164 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM);
1165 dump_mem->offset = cpu_to_le32(mvm->cfg->smem_offset);
1166 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->smem_offset,
1167 dump_mem->data, smem_len);
1171 dump_data = iwl_fw_error_next_data(dump_data);
1172 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1173 dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
1174 dump_mem = (void *)dump_data->data;
1175 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1176 dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset);
1177 iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset,
1178 dump_mem->data, sram2_len);
1181 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 &&
1182 CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_B_STEP) {
1183 dump_data = iwl_fw_error_next_data(dump_data);
1184 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
1185 dump_data->len = cpu_to_le32(IWL8260_ICCM_LEN +
1187 dump_mem = (void *)dump_data->data;
1188 dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
1189 dump_mem->offset = cpu_to_le32(IWL8260_ICCM_OFFSET);
1190 iwl_trans_read_mem_bytes(mvm->trans, IWL8260_ICCM_OFFSET,
1191 dump_mem->data, IWL8260_ICCM_LEN);
1194 fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
1195 fw_error_dump->op_mode_len = file_len;
1196 if (fw_error_dump->trans_ptr)
1197 file_len += fw_error_dump->trans_ptr->len;
1198 dump_file->file_len = cpu_to_le32(file_len);
1200 dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0,
1201 GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump);
1203 clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status);
1206 struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert = {
1208 .type = cpu_to_le32(FW_DBG_TRIGGER_FW_ASSERT),
1212 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
1214 /* clear the D3 reconfig, we only need it to avoid dumping a
1215 * firmware coredump on reconfiguration, we shouldn't do that
1216 * on D3->D0 transition
1218 if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
1219 mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
1220 iwl_mvm_fw_error_dump(mvm);
1223 /* cleanup all stale references (scan, roc), but keep the
1224 * ucode_down ref until reconfig is complete
1226 iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
1228 iwl_trans_stop_device(mvm->trans);
1230 mvm->scan_status = IWL_MVM_SCAN_NONE;
1231 mvm->ps_disabled = false;
1232 mvm->calibrating = false;
1234 /* just in case one was running */
1235 ieee80211_remain_on_channel_expired(mvm->hw);
1237 ieee80211_iterate_active_interfaces_atomic(
1238 mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
1239 iwl_mvm_cleanup_iterator, mvm);
1241 mvm->p2p_device_vif = NULL;
1242 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1244 iwl_mvm_reset_phy_ctxts(mvm);
1245 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
1246 memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
1247 memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
1248 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
1249 memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
1250 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
1251 memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
1252 memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
1253 memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
1255 ieee80211_wake_queues(mvm->hw);
1257 /* clear any stale d0i3 state */
1258 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1261 mvm->rx_ba_sessions = 0;
1262 mvm->fw_dbg_conf = FW_DBG_INVALID;
1264 /* keep statistics ticking */
1265 iwl_mvm_accu_radio_stats(mvm);
1268 int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
1272 lockdep_assert_held(&mvm->mutex);
1274 /* Clean up some internal and mac80211 state on restart */
1275 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1276 iwl_mvm_restart_cleanup(mvm);
1278 ret = iwl_mvm_up(mvm);
1280 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1281 /* Something went wrong - we need to finish some cleanup
1282 * that normally iwl_mvm_mac_restart_complete() below
1285 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1286 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1292 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1294 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1297 /* Some hw restart cleanups must not hold the mutex */
1298 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1300 * Make sure we are out of d0i3. This is needed
1301 * to make sure the reference accounting is correct
1302 * (and there is no stale d0i3_exit_work).
1304 wait_event_timeout(mvm->d0i3_exit_waitq,
1305 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1310 mutex_lock(&mvm->mutex);
1311 ret = __iwl_mvm_mac_start(mvm);
1312 mutex_unlock(&mvm->mutex);
1317 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
1321 mutex_lock(&mvm->mutex);
1323 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1324 iwl_mvm_d0i3_enable_tx(mvm, NULL);
1325 ret = iwl_mvm_update_quotas(mvm, true, NULL);
1327 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1330 /* allow transport/FW low power modes */
1331 iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);
1334 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1335 * of packets the FW sent out, so we must reconnect.
1337 iwl_mvm_teardown_tdls_peers(mvm);
1339 mutex_unlock(&mvm->mutex);
1342 static void iwl_mvm_resume_complete(struct iwl_mvm *mvm)
1346 if (!iwl_mvm_is_d0i3_supported(mvm))
1349 mutex_lock(&mvm->d0i3_suspend_mutex);
1350 __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags);
1351 exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP,
1352 &mvm->d0i3_suspend_flags);
1353 mutex_unlock(&mvm->d0i3_suspend_mutex);
1356 IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n");
1357 _iwl_mvm_exit_d0i3(mvm);
1360 if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND)
1361 if (!wait_event_timeout(mvm->d0i3_exit_waitq,
1362 !test_bit(IWL_MVM_STATUS_IN_D0I3,
1365 WARN_ONCE(1, "D0i3 exit on resume timed out\n");
1369 iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1370 enum ieee80211_reconfig_type reconfig_type)
1372 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1374 switch (reconfig_type) {
1375 case IEEE80211_RECONFIG_TYPE_RESTART:
1376 iwl_mvm_restart_complete(mvm);
1378 case IEEE80211_RECONFIG_TYPE_SUSPEND:
1379 iwl_mvm_resume_complete(mvm);
1384 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
1386 lockdep_assert_held(&mvm->mutex);
1388 /* firmware counters are obviously reset now, but we shouldn't
1389 * partially track so also clear the fw_reset_accu counters.
1391 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1394 * Disallow low power states when the FW is down by taking
1395 * the UCODE_DOWN ref. in case of ongoing hw restart the
1396 * ref is already taken, so don't take it again.
1398 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1399 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1401 /* async_handlers_wk is now blocked */
1404 * The work item could be running or queued if the
1405 * ROC time event stops just as we get here.
1407 cancel_work_sync(&mvm->roc_done_wk);
1409 iwl_trans_stop_device(mvm->trans);
1411 iwl_mvm_async_handlers_purge(mvm);
1412 /* async_handlers_list is empty and will stay empty: HW is stopped */
1414 /* the fw is stopped, the aux sta is dead: clean up driver state */
1415 iwl_mvm_del_aux_sta(mvm);
1418 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
1419 * won't be called in this case).
1421 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1423 /* We shouldn't have any UIDs still set. Loop over all the UIDs to
1424 * make sure there's nothing left there and warn if any is found.
1426 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
1429 for (i = 0; i < IWL_MVM_MAX_SIMULTANEOUS_SCANS; i++) {
1430 if (WARN_ONCE(mvm->scan_uid[i],
1431 "UMAC scan UID %d was not cleaned\n",
1433 mvm->scan_uid[i] = 0;
1437 mvm->ucode_loaded = false;
1440 static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1442 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1444 flush_work(&mvm->d0i3_exit_work);
1445 flush_work(&mvm->async_handlers_wk);
1446 cancel_delayed_work_sync(&mvm->fw_dump_wk);
1447 iwl_mvm_free_fw_dump_desc(mvm);
1449 mutex_lock(&mvm->mutex);
1450 __iwl_mvm_mac_stop(mvm);
1451 mutex_unlock(&mvm->mutex);
1454 * The worker might have been waiting for the mutex, let it run and
1455 * discover that its list is now empty.
1457 cancel_work_sync(&mvm->async_handlers_wk);
1460 static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1464 lockdep_assert_held(&mvm->mutex);
1466 for (i = 0; i < NUM_PHY_CTX; i++)
1467 if (!mvm->phy_ctxts[i].ref)
1468 return &mvm->phy_ctxts[i];
1470 IWL_ERR(mvm, "No available PHY context\n");
1474 static int iwl_mvm_set_tx_power_old(struct iwl_mvm *mvm,
1475 struct ieee80211_vif *vif, s8 tx_power)
1477 /* FW is in charge of regulatory enforcement */
1478 struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
1479 .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
1480 .pwr_restriction = cpu_to_le16(tx_power),
1483 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
1484 sizeof(reduce_txpwr_cmd),
1488 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1491 struct iwl_dev_tx_power_cmd cmd = {
1494 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
1495 .pwr_restriction = cpu_to_le16(8 * tx_power),
1498 if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_TX_POWER_DEV))
1499 return iwl_mvm_set_tx_power_old(mvm, vif, tx_power);
1501 if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
1502 cmd.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
1504 return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0,
1508 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1509 struct ieee80211_vif *vif)
1511 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1512 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1518 * make sure D0i3 exit is completed, otherwise a target access
1519 * during tx queue configuration could be done when still in
1522 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF);
1527 * Not much to do here. The stack will not allow interface
1528 * types or combinations that we didn't advertise, so we
1529 * don't really have to check the types.
1532 mutex_lock(&mvm->mutex);
1534 /* make sure that beacon statistics don't go backwards with FW reset */
1535 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1536 mvmvif->beacon_stats.accu_num_beacons +=
1537 mvmvif->beacon_stats.num_beacons;
1539 /* Allocate resources for the MAC context, and add it to the fw */
1540 ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1544 /* Counting number of interfaces is needed for legacy PM */
1545 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1549 * The AP binding flow can be done only after the beacon
1550 * template is configured (which happens only in the mac80211
1551 * start_ap() flow), and adding the broadcast station can happen
1552 * only after the binding.
1553 * In addition, since modifying the MAC before adding a bcast
1554 * station is not allowed by the FW, delay the adding of MAC context to
1555 * the point where we can also add the bcast station.
1556 * In short: there's not much we can do at this point, other than
1557 * allocating resources :)
1559 if (vif->type == NL80211_IFTYPE_AP ||
1560 vif->type == NL80211_IFTYPE_ADHOC) {
1561 ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
1563 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1567 iwl_mvm_vif_dbgfs_register(mvm, vif);
1571 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1575 ret = iwl_mvm_power_update_mac(mvm);
1577 goto out_remove_mac;
1579 /* beacon filtering */
1580 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
1582 goto out_remove_mac;
1584 if (!mvm->bf_allowed_vif &&
1585 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
1586 mvm->bf_allowed_vif = mvmvif;
1587 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1588 IEEE80211_VIF_SUPPORTS_CQM_RSSI;
1592 * P2P_DEVICE interface does not have a channel context assigned to it,
1593 * so a dedicated PHY context is allocated to it and the corresponding
1594 * MAC context is bound to it at this stage.
1596 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1598 mvmvif->phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
1599 if (!mvmvif->phy_ctxt) {
1604 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
1605 ret = iwl_mvm_binding_add_vif(mvm, vif);
1609 ret = iwl_mvm_add_bcast_sta(mvm, vif);
1613 /* Save a pointer to p2p device vif, so it can later be used to
1614 * update the p2p device MAC when a GO is started/stopped */
1615 mvm->p2p_device_vif = vif;
1618 iwl_mvm_vif_dbgfs_register(mvm, vif);
1622 iwl_mvm_binding_remove_vif(mvm, vif);
1624 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1626 if (mvm->bf_allowed_vif == mvmvif) {
1627 mvm->bf_allowed_vif = NULL;
1628 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1629 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1632 mvmvif->phy_ctxt = NULL;
1633 iwl_mvm_mac_ctxt_remove(mvm, vif);
1635 if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
1638 iwl_mvm_mac_ctxt_release(mvm, vif);
1640 mutex_unlock(&mvm->mutex);
1642 iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF);
1647 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1648 struct ieee80211_vif *vif)
1650 u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
1654 * mac80211 first removes all the stations of the vif and
1655 * then removes the vif. When it removes a station it also
1656 * flushes the AMPDU session. So by now, all the AMPDU sessions
1657 * of all the stations of this vif are closed, and the queues
1658 * of these AMPDU sessions are properly closed.
1659 * We still need to take care of the shared queues of the vif.
1662 mutex_lock(&mvm->mutex);
1663 iwl_mvm_flush_tx_path(mvm, tfd_msk, true);
1664 mutex_unlock(&mvm->mutex);
1667 * There are transports that buffer a few frames in the host.
1668 * For these, the flush above isn't enough since while we were
1669 * flushing, the transport might have sent more frames to the
1670 * device. To solve this, wait here until the transport is
1671 * empty. Technically, this could have replaced the flush
1672 * above, but flush is much faster than draining. So flush
1673 * first, and drain to make sure we have no frames in the
1674 * transport anymore.
1675 * If a station still had frames on the shared queues, it is
1676 * already marked as draining, so to complete the draining, we
1677 * just need to wait until the transport is empty.
1679 iwl_trans_wait_tx_queue_empty(mvm->trans, tfd_msk);
1682 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1684 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1685 * We assume here that all the packets sent to the OFFCHANNEL
1686 * queue are sent in ROC session.
1688 flush_work(&mvm->roc_done_wk);
1691 * By now, all the AC queues are empty. The AGG queues are
1692 * empty too. We already got all the Tx responses for all the
1693 * packets in the queues. The drain work can have been
1694 * triggered. Flush it.
1696 flush_work(&mvm->sta_drained_wk);
1700 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1701 struct ieee80211_vif *vif)
1703 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1704 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1706 iwl_mvm_prepare_mac_removal(mvm, vif);
1708 mutex_lock(&mvm->mutex);
1710 if (mvm->bf_allowed_vif == mvmvif) {
1711 mvm->bf_allowed_vif = NULL;
1712 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1713 IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1716 iwl_mvm_vif_dbgfs_clean(mvm, vif);
1719 * For AP/GO interface, the tear down of the resources allocated to the
1720 * interface is be handled as part of the stop_ap flow.
1722 if (vif->type == NL80211_IFTYPE_AP ||
1723 vif->type == NL80211_IFTYPE_ADHOC) {
1724 #ifdef CONFIG_NL80211_TESTMODE
1725 if (vif == mvm->noa_vif) {
1726 mvm->noa_vif = NULL;
1727 mvm->noa_duration = 0;
1730 iwl_mvm_dealloc_bcast_sta(mvm, vif);
1734 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1735 mvm->p2p_device_vif = NULL;
1736 iwl_mvm_rm_bcast_sta(mvm, vif);
1737 iwl_mvm_binding_remove_vif(mvm, vif);
1738 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
1739 mvmvif->phy_ctxt = NULL;
1742 if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
1745 iwl_mvm_power_update_mac(mvm);
1746 iwl_mvm_mac_ctxt_remove(mvm, vif);
1749 iwl_mvm_mac_ctxt_release(mvm, vif);
1750 mutex_unlock(&mvm->mutex);
1753 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
1758 struct iwl_mvm_mc_iter_data {
1759 struct iwl_mvm *mvm;
1763 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1764 struct ieee80211_vif *vif)
1766 struct iwl_mvm_mc_iter_data *data = _data;
1767 struct iwl_mvm *mvm = data->mvm;
1768 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1771 /* if we don't have free ports, mcast frames will be dropped */
1772 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1775 if (vif->type != NL80211_IFTYPE_STATION ||
1776 !vif->bss_conf.assoc)
1779 cmd->port_id = data->port_id++;
1780 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1781 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1783 ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
1785 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1788 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1790 struct iwl_mvm_mc_iter_data iter_data = {
1794 lockdep_assert_held(&mvm->mutex);
1796 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1799 ieee80211_iterate_active_interfaces_atomic(
1800 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1801 iwl_mvm_mc_iface_iterator, &iter_data);
1804 static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1805 struct netdev_hw_addr_list *mc_list)
1807 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1808 struct iwl_mcast_filter_cmd *cmd;
1809 struct netdev_hw_addr *addr;
1814 addr_count = netdev_hw_addr_list_count(mc_list);
1815 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1816 IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1820 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1821 cmd = kzalloc(len, GFP_ATOMIC);
1827 return (u64)(unsigned long)cmd;
1830 netdev_hw_addr_list_for_each(addr, mc_list) {
1831 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1832 cmd->count, addr->addr);
1833 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1834 addr->addr, ETH_ALEN);
1838 return (u64)(unsigned long)cmd;
1841 static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1842 unsigned int changed_flags,
1843 unsigned int *total_flags,
1846 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1847 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
1849 mutex_lock(&mvm->mutex);
1851 /* replace previous configuration */
1852 kfree(mvm->mcast_filter_cmd);
1853 mvm->mcast_filter_cmd = cmd;
1858 iwl_mvm_recalc_multicast(mvm);
1860 mutex_unlock(&mvm->mutex);
1864 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
1865 struct iwl_bcast_iter_data {
1866 struct iwl_mvm *mvm;
1867 struct iwl_bcast_filter_cmd *cmd;
1872 iwl_mvm_set_bcast_filter(struct ieee80211_vif *vif,
1873 const struct iwl_fw_bcast_filter *in_filter,
1874 struct iwl_fw_bcast_filter *out_filter)
1876 struct iwl_fw_bcast_filter_attr *attr;
1879 memcpy(out_filter, in_filter, sizeof(*out_filter));
1881 for (i = 0; i < ARRAY_SIZE(out_filter->attrs); i++) {
1882 attr = &out_filter->attrs[i];
1887 switch (attr->reserved1) {
1888 case cpu_to_le16(BC_FILTER_MAGIC_IP):
1889 if (vif->bss_conf.arp_addr_cnt != 1) {
1894 attr->val = vif->bss_conf.arp_addr_list[0];
1896 case cpu_to_le16(BC_FILTER_MAGIC_MAC):
1897 attr->val = *(__be32 *)&vif->addr[2];
1902 attr->reserved1 = 0;
1903 out_filter->num_attrs++;
1907 static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac,
1908 struct ieee80211_vif *vif)
1910 struct iwl_bcast_iter_data *data = _data;
1911 struct iwl_mvm *mvm = data->mvm;
1912 struct iwl_bcast_filter_cmd *cmd = data->cmd;
1913 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1914 struct iwl_fw_bcast_mac *bcast_mac;
1917 if (WARN_ON(mvmvif->id >= ARRAY_SIZE(cmd->macs)))
1920 bcast_mac = &cmd->macs[mvmvif->id];
1923 * enable filtering only for associated stations, but not for P2P
1926 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p ||
1927 !vif->bss_conf.assoc)
1930 bcast_mac->default_discard = 1;
1932 /* copy all configured filters */
1933 for (i = 0; mvm->bcast_filters[i].attrs[0].mask; i++) {
1935 * Make sure we don't exceed our filters limit.
1936 * if there is still a valid filter to be configured,
1937 * be on the safe side and just allow bcast for this mac.
1939 if (WARN_ON_ONCE(data->current_filter >=
1940 ARRAY_SIZE(cmd->filters))) {
1941 bcast_mac->default_discard = 0;
1942 bcast_mac->attached_filters = 0;
1946 iwl_mvm_set_bcast_filter(vif,
1947 &mvm->bcast_filters[i],
1948 &cmd->filters[data->current_filter]);
1950 /* skip current filter if it contains no attributes */
1951 if (!cmd->filters[data->current_filter].num_attrs)
1954 /* attach the filter to current mac */
1955 bcast_mac->attached_filters |=
1956 cpu_to_le16(BIT(data->current_filter));
1958 data->current_filter++;
1962 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1963 struct iwl_bcast_filter_cmd *cmd)
1965 struct iwl_bcast_iter_data iter_data = {
1970 if (IWL_MVM_FW_BCAST_FILTER_PASS_ALL)
1973 memset(cmd, 0, sizeof(*cmd));
1974 cmd->max_bcast_filters = ARRAY_SIZE(cmd->filters);
1975 cmd->max_macs = ARRAY_SIZE(cmd->macs);
1977 #ifdef CONFIG_IWLWIFI_DEBUGFS
1978 /* use debugfs filters/macs if override is configured */
1979 if (mvm->dbgfs_bcast_filtering.override) {
1980 memcpy(cmd->filters, &mvm->dbgfs_bcast_filtering.cmd.filters,
1981 sizeof(cmd->filters));
1982 memcpy(cmd->macs, &mvm->dbgfs_bcast_filtering.cmd.macs,
1988 /* if no filters are configured, do nothing */
1989 if (!mvm->bcast_filters)
1992 /* configure and attach these filters for each associated sta vif */
1993 ieee80211_iterate_active_interfaces(
1994 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1995 iwl_mvm_bcast_filter_iterator, &iter_data);
1999 static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
2000 struct ieee80211_vif *vif)
2002 struct iwl_bcast_filter_cmd cmd;
2004 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING))
2007 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd))
2010 return iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0,
2014 static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm,
2015 struct ieee80211_vif *vif)
2021 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
2022 struct ieee80211_vif *vif,
2023 struct ieee80211_bss_conf *bss_conf,
2026 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2030 * Re-calculate the tsf id, as the master-slave relations depend on the
2031 * beacon interval, which was not known when the station interface was
2034 if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
2035 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2038 * If we're not associated yet, take the (new) BSSID before associating
2039 * so the firmware knows. If we're already associated, then use the old
2040 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
2041 * branch for disassociation below.
2043 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
2044 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
2046 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
2048 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
2050 /* after sending it once, adopt mac80211 data */
2051 memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
2052 mvmvif->associated = bss_conf->assoc;
2054 if (changes & BSS_CHANGED_ASSOC) {
2055 if (bss_conf->assoc) {
2056 /* clear statistics to get clean beacon counter */
2057 iwl_mvm_request_statistics(mvm, true);
2058 memset(&mvmvif->beacon_stats, 0,
2059 sizeof(mvmvif->beacon_stats));
2061 /* add quota for this interface */
2062 ret = iwl_mvm_update_quotas(mvm, true, NULL);
2064 IWL_ERR(mvm, "failed to update quotas\n");
2068 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2071 * If we're restarting then the firmware will
2072 * obviously have lost synchronisation with
2073 * the AP. It will attempt to synchronise by
2074 * itself, but we can make it more reliable by
2075 * scheduling a session protection time event.
2077 * The firmware needs to receive a beacon to
2078 * catch up with synchronisation, use 110% of
2079 * the beacon interval.
2081 * Set a large maximum delay to allow for more
2082 * than a single interface.
2084 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
2085 iwl_mvm_protect_session(mvm, vif, dur, dur,
2089 iwl_mvm_sf_update(mvm, vif, false);
2090 iwl_mvm_power_vif_assoc(mvm, vif);
2092 iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
2093 iwl_mvm_update_smps(mvm, vif,
2094 IWL_MVM_SMPS_REQ_PROT,
2095 IEEE80211_SMPS_DYNAMIC);
2097 } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
2099 * If update fails - SF might be running in associated
2100 * mode while disassociated - which is forbidden.
2102 WARN_ONCE(iwl_mvm_sf_update(mvm, vif, false),
2103 "Failed to update SF upon disassociation\n");
2105 /* remove AP station now that the MAC is unassoc */
2106 ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
2108 IWL_ERR(mvm, "failed to remove AP station\n");
2110 if (mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
2111 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
2112 mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT;
2113 /* remove quota for this interface */
2114 ret = iwl_mvm_update_quotas(mvm, false, NULL);
2116 IWL_ERR(mvm, "failed to update quotas\n");
2119 iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
2121 /* this will take the cleared BSSID from bss_conf */
2122 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2125 "failed to update MAC %pM (clear after unassoc)\n",
2129 iwl_mvm_recalc_multicast(mvm);
2130 iwl_mvm_configure_bcast_filter(mvm, vif);
2132 /* reset rssi values */
2133 mvmvif->bf_data.ave_beacon_signal = 0;
2135 iwl_mvm_bt_coex_vif_change(mvm);
2136 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT,
2137 IEEE80211_SMPS_AUTOMATIC);
2138 } else if (changes & BSS_CHANGED_BEACON_INFO) {
2140 * We received a beacon _after_ association so
2141 * remove the session protection.
2143 iwl_mvm_remove_time_event(mvm, mvmvif,
2144 &mvmvif->time_event_data);
2147 if (changes & BSS_CHANGED_BEACON_INFO) {
2148 iwl_mvm_sf_update(mvm, vif, false);
2149 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
2152 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) {
2153 ret = iwl_mvm_power_update_mac(mvm);
2155 IWL_ERR(mvm, "failed to update power mode\n");
2158 if (changes & BSS_CHANGED_TXPOWER) {
2159 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2161 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2164 if (changes & BSS_CHANGED_CQM) {
2165 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
2166 /* reset cqm events tracking */
2167 mvmvif->bf_data.last_cqm_event = 0;
2168 if (mvmvif->bf_data.bf_enabled) {
2169 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2172 "failed to update CQM thresholds\n");
2176 if (changes & BSS_CHANGED_ARP_FILTER) {
2177 IWL_DEBUG_MAC80211(mvm, "arp filter changed\n");
2178 iwl_mvm_configure_bcast_filter(mvm, vif);
2182 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
2183 struct ieee80211_vif *vif)
2185 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2186 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2190 * iwl_mvm_mac_ctxt_add() might read directly from the device
2191 * (the system time), so make sure it is available.
2193 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
2197 mutex_lock(&mvm->mutex);
2199 /* Send the beacon template */
2200 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif);
2205 * Re-calculate the tsf id, as the master-slave relations depend on the
2206 * beacon interval, which was not known when the AP interface was added.
2208 if (vif->type == NL80211_IFTYPE_AP)
2209 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2211 /* Add the mac context */
2212 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2216 /* Perform the binding */
2217 ret = iwl_mvm_binding_add_vif(mvm, vif);
2221 /* Send the bcast station. At this stage the TBTT and DTIM time events
2222 * are added and applied to the scheduler */
2223 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
2227 /* must be set before quota calculations */
2228 mvmvif->ap_ibss_active = true;
2230 /* power updated needs to be done before quotas */
2231 iwl_mvm_power_update_mac(mvm);
2233 ret = iwl_mvm_update_quotas(mvm, false, NULL);
2235 goto out_quota_failed;
2237 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2238 if (vif->p2p && mvm->p2p_device_vif)
2239 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
2241 iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
2243 iwl_mvm_bt_coex_vif_change(mvm);
2245 /* we don't support TDLS during DCM */
2246 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2247 iwl_mvm_teardown_tdls_peers(mvm);
2252 iwl_mvm_power_update_mac(mvm);
2253 mvmvif->ap_ibss_active = false;
2254 iwl_mvm_send_rm_bcast_sta(mvm, vif);
2256 iwl_mvm_binding_remove_vif(mvm, vif);
2258 iwl_mvm_mac_ctxt_remove(mvm, vif);
2260 mutex_unlock(&mvm->mutex);
2261 iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
2265 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2266 struct ieee80211_vif *vif)
2268 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2269 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2271 iwl_mvm_prepare_mac_removal(mvm, vif);
2273 mutex_lock(&mvm->mutex);
2275 /* Handle AP stop while in CSA */
2276 if (rcu_access_pointer(mvm->csa_vif) == vif) {
2277 iwl_mvm_remove_time_event(mvm, mvmvif,
2278 &mvmvif->time_event_data);
2279 RCU_INIT_POINTER(mvm->csa_vif, NULL);
2282 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2283 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2284 mvm->csa_tx_block_bcn_timeout = 0;
2287 mvmvif->ap_ibss_active = false;
2288 mvm->ap_last_beacon_gp2 = 0;
2290 iwl_mvm_bt_coex_vif_change(mvm);
2292 iwl_mvm_unref(mvm, IWL_MVM_REF_AP_IBSS);
2294 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2295 if (vif->p2p && mvm->p2p_device_vif)
2296 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
2298 iwl_mvm_update_quotas(mvm, false, NULL);
2299 iwl_mvm_send_rm_bcast_sta(mvm, vif);
2300 iwl_mvm_binding_remove_vif(mvm, vif);
2302 iwl_mvm_power_update_mac(mvm);
2304 iwl_mvm_mac_ctxt_remove(mvm, vif);
2306 mutex_unlock(&mvm->mutex);
2310 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
2311 struct ieee80211_vif *vif,
2312 struct ieee80211_bss_conf *bss_conf,
2315 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2317 /* Changes will be applied when the AP/IBSS is started */
2318 if (!mvmvif->ap_ibss_active)
2321 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
2322 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
2323 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
2324 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
2326 /* Need to send a new beacon template to the FW */
2327 if (changes & BSS_CHANGED_BEACON &&
2328 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
2329 IWL_WARN(mvm, "Failed updating beacon data\n");
2331 if (changes & BSS_CHANGED_TXPOWER) {
2332 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
2334 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
2339 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
2340 struct ieee80211_vif *vif,
2341 struct ieee80211_bss_conf *bss_conf,
2344 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2347 * iwl_mvm_bss_info_changed_station() might call
2348 * iwl_mvm_protect_session(), which reads directly from
2349 * the device (the system time), so make sure it is available.
2351 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
2354 mutex_lock(&mvm->mutex);
2356 if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
2357 iwl_mvm_scan_offload_stop(mvm, true);
2359 switch (vif->type) {
2360 case NL80211_IFTYPE_STATION:
2361 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
2363 case NL80211_IFTYPE_AP:
2364 case NL80211_IFTYPE_ADHOC:
2365 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
2368 /* shouldn't happen */
2372 mutex_unlock(&mvm->mutex);
2373 iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
2376 static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
2377 enum iwl_scan_status scan_type)
2380 bool wait_for_handlers = false;
2382 mutex_lock(&mvm->mutex);
2384 if (mvm->scan_status != scan_type) {
2386 /* make sure there are no pending notifications */
2387 wait_for_handlers = true;
2391 switch (scan_type) {
2392 case IWL_MVM_SCAN_SCHED:
2393 ret = iwl_mvm_scan_offload_stop(mvm, true);
2395 case IWL_MVM_SCAN_OS:
2396 ret = iwl_mvm_cancel_scan(mvm);
2398 case IWL_MVM_SCAN_NONE:
2407 wait_for_handlers = true;
2409 mutex_unlock(&mvm->mutex);
2411 /* make sure we consume the completion notification */
2412 if (wait_for_handlers)
2413 iwl_mvm_wait_for_async_handlers(mvm);
2417 static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
2418 struct ieee80211_vif *vif,
2419 struct ieee80211_scan_request *hw_req)
2421 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2422 struct cfg80211_scan_request *req = &hw_req->req;
2425 if (req->n_channels == 0 ||
2426 req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
2429 if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
2430 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
2435 mutex_lock(&mvm->mutex);
2437 if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) {
2438 IWL_ERR(mvm, "scan while LAR regdomain is not set\n");
2443 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
2448 iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
2450 if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
2451 ret = iwl_mvm_scan_umac(mvm, vif, hw_req);
2453 ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req);
2456 iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
2458 mutex_unlock(&mvm->mutex);
2462 static void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
2463 struct ieee80211_vif *vif)
2465 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2467 mutex_lock(&mvm->mutex);
2469 /* Due to a race condition, it's possible that mac80211 asks
2470 * us to stop a hw_scan when it's already stopped. This can
2471 * happen, for instance, if we stopped the scan ourselves,
2472 * called ieee80211_scan_completed() and the userspace called
2473 * cancel scan scan before ieee80211_scan_work() could run.
2474 * To handle that, simply return if the scan is not running.
2476 /* FIXME: for now, we ignore this race for UMAC scans, since
2477 * they don't set the scan_status.
2479 if ((mvm->scan_status == IWL_MVM_SCAN_OS) ||
2480 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN))
2481 iwl_mvm_cancel_scan(mvm);
2483 mutex_unlock(&mvm->mutex);
2487 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
2488 struct ieee80211_sta *sta, u16 tids,
2490 enum ieee80211_frame_release_type reason,
2493 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2495 /* Called when we need to transmit (a) frame(s) from mac80211 */
2497 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2498 tids, more_data, false);
2502 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
2503 struct ieee80211_sta *sta, u16 tids,
2505 enum ieee80211_frame_release_type reason,
2508 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2510 /* Called when we need to transmit (a) frame(s) from agg queue */
2512 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
2513 tids, more_data, true);
2516 static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
2517 struct ieee80211_vif *vif,
2518 enum sta_notify_cmd cmd,
2519 struct ieee80211_sta *sta)
2521 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2522 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
2523 unsigned long txqs = 0, tids = 0;
2526 spin_lock_bh(&mvmsta->lock);
2527 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
2528 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
2530 if (tid_data->state != IWL_AGG_ON &&
2531 tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
2534 __set_bit(tid_data->txq_id, &txqs);
2536 if (iwl_mvm_tid_queued(tid_data) == 0)
2539 __set_bit(tid, &tids);
2543 case STA_NOTIFY_SLEEP:
2544 if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
2545 ieee80211_sta_block_awake(hw, sta, true);
2547 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
2548 ieee80211_sta_set_buffered(sta, tid, true);
2551 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
2553 * The fw updates the STA to be asleep. Tx packets on the Tx
2554 * queues to this station will not be transmitted. The fw will
2555 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
2558 case STA_NOTIFY_AWAKE:
2559 if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
2563 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
2564 iwl_mvm_sta_modify_ps_wake(mvm, sta);
2569 spin_unlock_bh(&mvmsta->lock);
2572 static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
2573 struct ieee80211_vif *vif,
2574 struct ieee80211_sta *sta)
2576 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2577 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
2580 * This is called before mac80211 does RCU synchronisation,
2581 * so here we already invalidate our internal RCU-protected
2582 * station pointer. The rest of the code will thus no longer
2583 * be able to find the station this way, and we don't rely
2584 * on further RCU synchronisation after the sta_state()
2585 * callback deleted the station.
2587 mutex_lock(&mvm->mutex);
2588 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id]))
2589 rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
2591 mutex_unlock(&mvm->mutex);
2594 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2597 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
2600 if (iwlwifi_mod_params.uapsd_disable) {
2601 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
2605 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
2608 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
2609 struct ieee80211_vif *vif,
2610 struct ieee80211_sta *sta,
2611 enum ieee80211_sta_state old_state,
2612 enum ieee80211_sta_state new_state)
2614 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2615 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2618 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
2619 sta->addr, old_state, new_state);
2621 /* this would be a mac80211 bug ... but don't crash */
2622 if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
2625 /* if a STA is being removed, reuse its ID */
2626 flush_work(&mvm->sta_drained_wk);
2628 mutex_lock(&mvm->mutex);
2629 if (old_state == IEEE80211_STA_NOTEXIST &&
2630 new_state == IEEE80211_STA_NONE) {
2632 * Firmware bug - it'll crash if the beacon interval is less
2633 * than 16. We can't avoid connecting at all, so refuse the
2634 * station state change, this will cause mac80211 to abandon
2635 * attempts to connect to this AP, and eventually wpa_s will
2636 * blacklist the AP...
2638 if (vif->type == NL80211_IFTYPE_STATION &&
2639 vif->bss_conf.beacon_int < 16) {
2641 "AP %pM beacon interval is %d, refusing due to firmware bug!\n",
2642 sta->addr, vif->bss_conf.beacon_int);
2649 iwl_mvm_tdls_sta_count(mvm, NULL) ==
2650 IWL_MVM_TDLS_STA_COUNT ||
2651 iwl_mvm_phy_ctx_count(mvm) > 1)) {
2652 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
2657 ret = iwl_mvm_add_sta(mvm, vif, sta);
2658 if (sta->tdls && ret == 0)
2659 iwl_mvm_recalc_tdls_state(mvm, vif, true);
2660 } else if (old_state == IEEE80211_STA_NONE &&
2661 new_state == IEEE80211_STA_AUTH) {
2663 * EBS may be disabled due to previous failures reported by FW.
2664 * Reset EBS status here assuming environment has been changed.
2666 mvm->last_ebs_successful = true;
2667 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
2669 } else if (old_state == IEEE80211_STA_AUTH &&
2670 new_state == IEEE80211_STA_ASSOC) {
2671 ret = iwl_mvm_update_sta(mvm, vif, sta);
2673 iwl_mvm_rs_rate_init(mvm, sta,
2674 mvmvif->phy_ctxt->channel->band,
2676 } else if (old_state == IEEE80211_STA_ASSOC &&
2677 new_state == IEEE80211_STA_AUTHORIZED) {
2679 /* we don't support TDLS during DCM */
2680 if (iwl_mvm_phy_ctx_count(mvm) > 1)
2681 iwl_mvm_teardown_tdls_peers(mvm);
2683 /* enable beacon filtering */
2684 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
2686 } else if (old_state == IEEE80211_STA_AUTHORIZED &&
2687 new_state == IEEE80211_STA_ASSOC) {
2688 /* disable beacon filtering */
2689 WARN_ON(iwl_mvm_disable_beacon_filter(mvm, vif, 0));
2691 } else if (old_state == IEEE80211_STA_ASSOC &&
2692 new_state == IEEE80211_STA_AUTH) {
2694 } else if (old_state == IEEE80211_STA_AUTH &&
2695 new_state == IEEE80211_STA_NONE) {
2697 } else if (old_state == IEEE80211_STA_NONE &&
2698 new_state == IEEE80211_STA_NOTEXIST) {
2699 ret = iwl_mvm_rm_sta(mvm, vif, sta);
2701 iwl_mvm_recalc_tdls_state(mvm, vif, false);
2706 mutex_unlock(&mvm->mutex);
2708 if (sta->tdls && ret == 0) {
2709 if (old_state == IEEE80211_STA_NOTEXIST &&
2710 new_state == IEEE80211_STA_NONE)
2711 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2712 else if (old_state == IEEE80211_STA_NONE &&
2713 new_state == IEEE80211_STA_NOTEXIST)
2714 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
2720 static int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2722 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2724 mvm->rts_threshold = value;
2729 static void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw,
2730 struct ieee80211_vif *vif,
2731 struct ieee80211_sta *sta, u32 changed)
2733 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2735 if (vif->type == NL80211_IFTYPE_STATION &&
2736 changed & IEEE80211_RC_NSS_CHANGED)
2737 iwl_mvm_sf_update(mvm, vif, false);
2740 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
2741 struct ieee80211_vif *vif, u16 ac,
2742 const struct ieee80211_tx_queue_params *params)
2744 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2745 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2747 mvmvif->queue_params[ac] = *params;
2750 * No need to update right away, we'll get BSS_CHANGED_QOS
2751 * The exception is P2P_DEVICE interface which needs immediate update.
2753 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
2756 mutex_lock(&mvm->mutex);
2757 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2758 mutex_unlock(&mvm->mutex);
2764 static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
2765 struct ieee80211_vif *vif)
2767 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2768 u32 duration = min(IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS,
2769 200 + vif->bss_conf.beacon_int);
2770 u32 min_duration = min(IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS,
2771 100 + vif->bss_conf.beacon_int);
2773 if (WARN_ON_ONCE(vif->bss_conf.assoc))
2777 * iwl_mvm_protect_session() reads directly from the device
2778 * (the system time), so make sure it is available.
2780 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
2783 mutex_lock(&mvm->mutex);
2784 /* Try really hard to protect the session and hear a beacon */
2785 iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
2786 mutex_unlock(&mvm->mutex);
2788 iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
2791 static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
2792 struct ieee80211_vif *vif,
2793 struct cfg80211_sched_scan_request *req,
2794 struct ieee80211_scan_ies *ies)
2796 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2799 if (!(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
2800 ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
2805 mutex_lock(&mvm->mutex);
2807 if (iwl_mvm_is_lar_supported(mvm) && !mvm->lar_regdom_set) {
2808 IWL_ERR(mvm, "sched-scan while LAR regdomain is not set\n");
2813 if (!vif->bss_conf.idle) {
2818 if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
2823 ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies);
2825 mvm->scan_status = IWL_MVM_SCAN_NONE;
2828 mutex_unlock(&mvm->mutex);
2832 static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
2833 struct ieee80211_vif *vif)
2835 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2838 mutex_lock(&mvm->mutex);
2840 /* Due to a race condition, it's possible that mac80211 asks
2841 * us to stop a sched_scan when it's already stopped. This
2842 * can happen, for instance, if we stopped the scan ourselves,
2843 * called ieee80211_sched_scan_stopped() and the userspace called
2844 * stop sched scan scan before ieee80211_sched_scan_stopped_work()
2845 * could run. To handle this, simply return if the scan is
2848 /* FIXME: for now, we ignore this race for UMAC scans, since
2849 * they don't set the scan_status.
2851 if (mvm->scan_status != IWL_MVM_SCAN_SCHED &&
2852 !(mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
2853 mutex_unlock(&mvm->mutex);
2857 ret = iwl_mvm_scan_offload_stop(mvm, false);
2858 mutex_unlock(&mvm->mutex);
2859 iwl_mvm_wait_for_async_handlers(mvm);
2864 static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
2865 enum set_key_cmd cmd,
2866 struct ieee80211_vif *vif,
2867 struct ieee80211_sta *sta,
2868 struct ieee80211_key_conf *key)
2870 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2873 if (iwlwifi_mod_params.sw_crypto) {
2874 IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
2878 switch (key->cipher) {
2879 case WLAN_CIPHER_SUITE_TKIP:
2880 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
2882 case WLAN_CIPHER_SUITE_CCMP:
2883 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
2885 case WLAN_CIPHER_SUITE_AES_CMAC:
2886 WARN_ON_ONCE(!(hw->flags & IEEE80211_HW_MFP_CAPABLE));
2888 case WLAN_CIPHER_SUITE_WEP40:
2889 case WLAN_CIPHER_SUITE_WEP104:
2890 /* For non-client mode, only use WEP keys for TX as we probably
2891 * don't have a station yet anyway and would then have to keep
2892 * track of the keys, linking them to each of the clients/peers
2893 * as they appear. For now, don't do that, for performance WEP
2894 * offload doesn't really matter much, but we need it for some
2895 * other offload features in client mode.
2897 if (vif->type != NL80211_IFTYPE_STATION)
2901 /* currently FW supports only one optional cipher scheme */
2902 if (hw->n_cipher_schemes &&
2903 hw->cipher_schemes->cipher == key->cipher)
2904 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
2909 mutex_lock(&mvm->mutex);
2913 if ((vif->type == NL80211_IFTYPE_ADHOC ||
2914 vif->type == NL80211_IFTYPE_AP) && !sta) {
2916 * GTK on AP interface is a TX-only key, return 0;
2917 * on IBSS they're per-station and because we're lazy
2918 * we don't support them for RX, so do the same.
2921 key->hw_key_idx = STA_KEY_IDX_INVALID;
2925 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
2926 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
2928 IWL_WARN(mvm, "set key failed\n");
2930 * can't add key for RX, but we don't need it
2931 * in the device for TX so still return 0
2933 key->hw_key_idx = STA_KEY_IDX_INVALID;
2939 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
2944 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
2945 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
2951 mutex_unlock(&mvm->mutex);
2955 static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
2956 struct ieee80211_vif *vif,
2957 struct ieee80211_key_conf *keyconf,
2958 struct ieee80211_sta *sta,
2959 u32 iv32, u16 *phase1key)
2961 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2963 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
2966 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
2970 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
2971 struct iwl_rx_packet *pkt, void *data)
2973 struct iwl_mvm *mvm =
2974 container_of(notif_wait, struct iwl_mvm, notif_wait);
2975 struct iwl_hs20_roc_res *resp;
2976 int resp_len = iwl_rx_packet_payload_len(pkt);
2977 struct iwl_mvm_time_event_data *te_data = data;
2979 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
2982 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
2983 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
2987 resp = (void *)pkt->data;
2990 "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
2991 resp->status, resp->event_unique_id);
2993 te_data->uid = le32_to_cpu(resp->event_unique_id);
2994 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
2997 spin_lock_bh(&mvm->time_event_lock);
2998 list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
2999 spin_unlock_bh(&mvm->time_event_lock);
3004 #define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
3005 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
3006 struct ieee80211_channel *channel,
3007 struct ieee80211_vif *vif,
3010 int res, time_reg = DEVICE_SYSTEM_TIME_REG;
3011 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3012 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
3013 static const u8 time_event_response[] = { HOT_SPOT_CMD };
3014 struct iwl_notification_wait wait_time_event;
3015 struct iwl_hs20_roc_req aux_roc_req = {
3016 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
3018 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
3019 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
3020 /* Set the channel info data */
3021 .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
3022 PHY_BAND_24 : PHY_BAND_5,
3023 .channel_info.channel = channel->hw_value,
3024 .channel_info.width = PHY_VHT_CHANNEL_MODE20,
3025 /* Set the time and duration */
3026 .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
3027 .apply_time_max_delay =
3028 cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
3029 .duration = cpu_to_le32(MSEC_TO_TU(duration)),
3032 /* Set the node address */
3033 memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
3035 lockdep_assert_held(&mvm->mutex);
3037 spin_lock_bh(&mvm->time_event_lock);
3039 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
3040 spin_unlock_bh(&mvm->time_event_lock);
3045 te_data->duration = duration;
3046 te_data->id = HOT_SPOT_CMD;
3048 spin_unlock_bh(&mvm->time_event_lock);
3051 * Use a notification wait, which really just processes the
3052 * command response and doesn't wait for anything, in order
3053 * to be able to process the response and get the UID inside
3054 * the RX path. Using CMD_WANT_SKB doesn't work because it
3055 * stores the buffer and then wakes up this thread, by which
3056 * time another notification (that the time event started)
3057 * might already be processed unsuccessfully.
3059 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
3060 time_event_response,
3061 ARRAY_SIZE(time_event_response),
3062 iwl_mvm_rx_aux_roc, te_data);
3064 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
3068 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
3069 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
3073 /* No need to wait for anything, so just pass 1 (0 isn't valid) */
3074 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
3075 /* should never fail */
3080 spin_lock_bh(&mvm->time_event_lock);
3081 iwl_mvm_te_clear_data(mvm, te_data);
3082 spin_unlock_bh(&mvm->time_event_lock);
3088 static int iwl_mvm_roc(struct ieee80211_hw *hw,
3089 struct ieee80211_vif *vif,
3090 struct ieee80211_channel *channel,
3092 enum ieee80211_roc_type type)
3094 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3095 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3096 struct cfg80211_chan_def chandef;
3097 struct iwl_mvm_phy_ctxt *phy_ctxt;
3100 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
3103 flush_work(&mvm->roc_done_wk);
3105 mutex_lock(&mvm->mutex);
3107 switch (vif->type) {
3108 case NL80211_IFTYPE_STATION:
3109 if (mvm->fw->ucode_capa.capa[0] &
3110 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) {
3111 /* Use aux roc framework (HS20) */
3112 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
3116 IWL_ERR(mvm, "hotspot not supported\n");
3119 case NL80211_IFTYPE_P2P_DEVICE:
3123 IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
3128 for (i = 0; i < NUM_PHY_CTX; i++) {
3129 phy_ctxt = &mvm->phy_ctxts[i];
3130 if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt)
3133 if (phy_ctxt->ref && channel == phy_ctxt->channel) {
3135 * Unbind the P2P_DEVICE from the current PHY context,
3136 * and if the PHY context is not used remove it.
3138 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3139 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3142 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3144 /* Bind the P2P_DEVICE to the current PHY Context */
3145 mvmvif->phy_ctxt = phy_ctxt;
3147 ret = iwl_mvm_binding_add_vif(mvm, vif);
3148 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3151 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3152 goto schedule_time_event;
3156 /* Need to update the PHY context only if the ROC channel changed */
3157 if (channel == mvmvif->phy_ctxt->channel)
3158 goto schedule_time_event;
3160 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
3163 * Change the PHY context configuration as it is currently referenced
3164 * only by the P2P Device MAC
3166 if (mvmvif->phy_ctxt->ref == 1) {
3167 ret = iwl_mvm_phy_ctxt_changed(mvm, mvmvif->phy_ctxt,
3173 * The PHY context is shared with other MACs. Need to remove the
3174 * P2P Device from the binding, allocate an new PHY context and
3175 * create a new binding
3177 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3183 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &chandef,
3186 IWL_ERR(mvm, "Failed to change PHY context\n");
3190 /* Unbind the P2P_DEVICE from the current PHY context */
3191 ret = iwl_mvm_binding_remove_vif(mvm, vif);
3192 if (WARN(ret, "Failed unbinding P2P_DEVICE\n"))
3195 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
3197 /* Bind the P2P_DEVICE to the new allocated PHY context */
3198 mvmvif->phy_ctxt = phy_ctxt;
3200 ret = iwl_mvm_binding_add_vif(mvm, vif);
3201 if (WARN(ret, "Failed binding P2P_DEVICE\n"))
3204 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->phy_ctxt);
3207 schedule_time_event:
3208 /* Schedule the time events */
3209 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
3212 mutex_unlock(&mvm->mutex);
3213 IWL_DEBUG_MAC80211(mvm, "leave\n");
3217 static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw)
3219 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3221 IWL_DEBUG_MAC80211(mvm, "enter\n");
3223 mutex_lock(&mvm->mutex);
3224 iwl_mvm_stop_roc(mvm);
3225 mutex_unlock(&mvm->mutex);
3227 IWL_DEBUG_MAC80211(mvm, "leave\n");
3231 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
3232 struct ieee80211_chanctx_conf *ctx)
3234 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3235 struct iwl_mvm_phy_ctxt *phy_ctxt;
3238 lockdep_assert_held(&mvm->mutex);
3240 IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
3242 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
3248 ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
3249 ctx->rx_chains_static,
3250 ctx->rx_chains_dynamic);
3252 IWL_ERR(mvm, "Failed to add PHY context\n");
3256 iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt);
3257 *phy_ctxt_id = phy_ctxt->id;
3262 static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
3263 struct ieee80211_chanctx_conf *ctx)
3265 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3268 mutex_lock(&mvm->mutex);
3269 ret = __iwl_mvm_add_chanctx(mvm, ctx);
3270 mutex_unlock(&mvm->mutex);
3275 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
3276 struct ieee80211_chanctx_conf *ctx)
3278 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3279 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3281 lockdep_assert_held(&mvm->mutex);
3283 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
3286 static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
3287 struct ieee80211_chanctx_conf *ctx)
3289 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3291 mutex_lock(&mvm->mutex);
3292 __iwl_mvm_remove_chanctx(mvm, ctx);
3293 mutex_unlock(&mvm->mutex);
3296 static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
3297 struct ieee80211_chanctx_conf *ctx,
3300 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3301 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3302 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3304 if (WARN_ONCE((phy_ctxt->ref > 1) &&
3305 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
3306 IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
3307 IEEE80211_CHANCTX_CHANGE_RADAR |
3308 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
3309 "Cannot change PHY. Ref=%d, changed=0x%X\n",
3310 phy_ctxt->ref, changed))
3313 mutex_lock(&mvm->mutex);
3314 iwl_mvm_bt_coex_vif_change(mvm);
3315 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
3316 ctx->rx_chains_static,
3317 ctx->rx_chains_dynamic);
3318 mutex_unlock(&mvm->mutex);
3321 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
3322 struct ieee80211_vif *vif,
3323 struct ieee80211_chanctx_conf *ctx,
3324 bool switching_chanctx)
3326 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
3327 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
3328 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3331 lockdep_assert_held(&mvm->mutex);
3333 mvmvif->phy_ctxt = phy_ctxt;
3335 switch (vif->type) {
3336 case NL80211_IFTYPE_AP:
3337 /* only needed if we're switching chanctx (i.e. during CSA) */
3338 if (switching_chanctx) {
3339 mvmvif->ap_ibss_active = true;
3342 case NL80211_IFTYPE_ADHOC:
3344 * The AP binding flow is handled as part of the start_ap flow
3345 * (in bss_info_changed), similarly for IBSS.
3349 case NL80211_IFTYPE_STATION:
3351 case NL80211_IFTYPE_MONITOR:
3352 /* always disable PS when a monitor interface is active */
3353 mvmvif->ps_disabled = true;
3360 ret = iwl_mvm_binding_add_vif(mvm, vif);
3365 * Power state must be updated before quotas,
3366 * otherwise fw will complain.
3368 iwl_mvm_power_update_mac(mvm);
3370 /* Setting the quota at this stage is only required for monitor
3371 * interfaces. For the other types, the bss_info changed flow
3372 * will handle quota settings.
3374 if (vif->type == NL80211_IFTYPE_MONITOR) {
3375 mvmvif->monitor_active = true;
3376 ret = iwl_mvm_update_quotas(mvm, false, NULL);
3378 goto out_remove_binding;
3381 /* Handle binding during CSA */
3382 if (vif->type == NL80211_IFTYPE_AP) {
3383 iwl_mvm_update_quotas(mvm, false, NULL);
3384 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3387 if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
3388 u32 duration = 2 * vif->bss_conf.beacon_int;
3390 /* iwl_mvm_protect_session() reads directly from the
3391 * device (the system time), so make sure it is
3394 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_CSA);
3396 goto out_remove_binding;
3398 /* Protect the session to make sure we hear the first
3399 * beacon on the new channel.
3401 iwl_mvm_protect_session(mvm, vif, duration, duration,
3402 vif->bss_conf.beacon_int / 2,
3405 iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_CSA);
3407 iwl_mvm_update_quotas(mvm, false, NULL);
3413 iwl_mvm_binding_remove_vif(mvm, vif);
3414 iwl_mvm_power_update_mac(mvm);
3417 mvmvif->phy_ctxt = NULL;
3420 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
3421 struct ieee80211_vif *vif,
3422 struct ieee80211_chanctx_conf *ctx)
3424 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3427 mutex_lock(&mvm->mutex);
3428 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
3429 mutex_unlock(&mvm->mutex);
3434 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
3435 struct ieee80211_vif *vif,
3436 struct ieee80211_chanctx_conf *ctx,
3437 bool switching_chanctx)
3439 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3440 struct ieee80211_vif *disabled_vif = NULL;
3442 lockdep_assert_held(&mvm->mutex);
3444 iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data);
3446 switch (vif->type) {
3447 case NL80211_IFTYPE_ADHOC:
3449 case NL80211_IFTYPE_MONITOR:
3450 mvmvif->monitor_active = false;
3451 mvmvif->ps_disabled = false;
3453 case NL80211_IFTYPE_AP:
3454 /* This part is triggered only during CSA */
3455 if (!switching_chanctx || !mvmvif->ap_ibss_active)
3458 mvmvif->csa_countdown = false;
3460 /* Set CS bit on all the stations */
3461 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
3463 /* Save blocked iface, the timeout is set on the next beacon */
3464 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
3466 mvmvif->ap_ibss_active = false;
3468 case NL80211_IFTYPE_STATION:
3469 if (!switching_chanctx)
3474 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
3480 iwl_mvm_update_quotas(mvm, false, disabled_vif);
3481 iwl_mvm_binding_remove_vif(mvm, vif);
3484 mvmvif->phy_ctxt = NULL;
3485 iwl_mvm_power_update_mac(mvm);
3488 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
3489 struct ieee80211_vif *vif,
3490 struct ieee80211_chanctx_conf *ctx)
3492 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3494 mutex_lock(&mvm->mutex);
3495 __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
3496 mutex_unlock(&mvm->mutex);
3500 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
3501 struct ieee80211_vif_chanctx_switch *vifs)
3505 mutex_lock(&mvm->mutex);
3506 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3507 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
3509 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
3511 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
3515 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3519 "failed to assign new_ctx during channel switch\n");
3523 /* we don't support TDLS during DCM - can be caused by channel switch */
3524 if (iwl_mvm_phy_ctx_count(mvm) > 1)
3525 iwl_mvm_teardown_tdls_peers(mvm);
3530 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
3533 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
3534 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
3538 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3540 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3547 /* things keep failing, better restart the hw */
3548 iwl_mvm_nic_restart(mvm, false);
3551 mutex_unlock(&mvm->mutex);
3557 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
3558 struct ieee80211_vif_chanctx_switch *vifs)
3562 mutex_lock(&mvm->mutex);
3563 __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
3565 ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
3569 "failed to assign new_ctx during channel switch\n");
3576 if (__iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
3578 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
3585 /* things keep failing, better restart the hw */
3586 iwl_mvm_nic_restart(mvm, false);
3589 mutex_unlock(&mvm->mutex);
3594 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
3595 struct ieee80211_vif_chanctx_switch *vifs,
3597 enum ieee80211_chanctx_switch_mode mode)
3599 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3602 /* we only support a single-vif right now */
3607 case CHANCTX_SWMODE_SWAP_CONTEXTS:
3608 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
3610 case CHANCTX_SWMODE_REASSIGN_VIF:
3611 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs);
3621 static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
3622 struct ieee80211_sta *sta,
3625 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3626 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3628 if (!mvm_sta || !mvm_sta->vif) {
3629 IWL_ERR(mvm, "Station is not associated to a vif\n");
3633 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
3636 #ifdef CONFIG_NL80211_TESTMODE
3637 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
3638 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
3639 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
3640 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
3643 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
3644 struct ieee80211_vif *vif,
3645 void *data, int len)
3647 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
3651 err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
3655 if (!tb[IWL_MVM_TM_ATTR_CMD])
3658 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
3659 case IWL_MVM_TM_CMD_SET_NOA:
3660 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
3661 !vif->bss_conf.enable_beacon ||
3662 !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
3665 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
3666 if (noa_duration >= vif->bss_conf.beacon_int)
3669 mvm->noa_duration = noa_duration;
3672 return iwl_mvm_update_quotas(mvm, false, NULL);
3673 case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
3674 /* must be associated client vif - ignore authorized */
3675 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
3676 !vif->bss_conf.assoc || !vif->bss_conf.dtim_period ||
3677 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
3680 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
3681 return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3682 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3688 static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
3689 struct ieee80211_vif *vif,
3690 void *data, int len)
3692 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3695 mutex_lock(&mvm->mutex);
3696 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
3697 mutex_unlock(&mvm->mutex);
3703 static void iwl_mvm_channel_switch(struct ieee80211_hw *hw,
3704 struct ieee80211_vif *vif,
3705 struct ieee80211_channel_switch *chsw)
3707 /* By implementing this operation, we prevent mac80211 from
3708 * starting its own channel switch timer, so that we can call
3709 * ieee80211_chswitch_done() ourselves at the right time
3710 * (which is when the absence time event starts).
3713 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
3714 "dummy channel switch op\n");
3717 static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
3718 struct ieee80211_vif *vif,
3719 struct ieee80211_channel_switch *chsw)
3721 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3722 struct ieee80211_vif *csa_vif;
3723 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3727 mutex_lock(&mvm->mutex);
3729 mvmvif->csa_failed = false;
3731 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
3732 chsw->chandef.center_freq1);
3734 iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH);
3736 switch (vif->type) {
3737 case NL80211_IFTYPE_AP:
3739 rcu_dereference_protected(mvm->csa_vif,
3740 lockdep_is_held(&mvm->mutex));
3741 if (WARN_ONCE(csa_vif && csa_vif->csa_active,
3742 "Another CSA is already in progress")) {
3747 rcu_assign_pointer(mvm->csa_vif, vif);
3749 if (WARN_ONCE(mvmvif->csa_countdown,
3750 "Previous CSA countdown didn't complete")) {
3756 case NL80211_IFTYPE_STATION:
3757 /* Schedule the time event to a bit before beacon 1,
3758 * to make sure we're in the new channel when the
3761 apply_time = chsw->device_timestamp +
3762 ((vif->bss_conf.beacon_int * (chsw->count - 1) -
3763 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
3766 iwl_mvm_csa_client_absent(mvm, vif);
3768 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
3770 if (mvmvif->bf_data.bf_enabled) {
3771 ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3781 mvmvif->ps_disabled = true;
3783 ret = iwl_mvm_power_update_ps(mvm);
3787 /* we won't be on this channel any longer */
3788 iwl_mvm_teardown_tdls_peers(mvm);
3791 mutex_unlock(&mvm->mutex);
3796 static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
3797 struct ieee80211_vif *vif)
3799 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3800 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3803 mutex_lock(&mvm->mutex);
3805 if (mvmvif->csa_failed) {
3806 mvmvif->csa_failed = false;
3811 if (vif->type == NL80211_IFTYPE_STATION) {
3812 struct iwl_mvm_sta *mvmsta;
3814 mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
3817 if (WARN_ON(!mvmsta)) {
3822 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
3824 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
3826 ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
3830 iwl_mvm_stop_session_protection(mvm, vif);
3833 mvmvif->ps_disabled = false;
3835 ret = iwl_mvm_power_update_ps(mvm);
3838 mutex_unlock(&mvm->mutex);
3843 static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
3844 struct ieee80211_vif *vif, u32 queues, bool drop)
3846 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3847 struct iwl_mvm_vif *mvmvif;
3848 struct iwl_mvm_sta *mvmsta;
3849 struct ieee80211_sta *sta;
3853 if (!vif || vif->type != NL80211_IFTYPE_STATION)
3856 mutex_lock(&mvm->mutex);
3857 mvmvif = iwl_mvm_vif_from_mac80211(vif);
3859 /* flush the AP-station and all TDLS peers */
3860 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
3861 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
3862 lockdep_is_held(&mvm->mutex));
3863 if (IS_ERR_OR_NULL(sta))
3866 mvmsta = iwl_mvm_sta_from_mac80211(sta);
3867 if (mvmsta->vif != vif)
3870 /* make sure only TDLS peers or the AP are flushed */
3871 WARN_ON(i != mvmvif->ap_sta_id && !sta->tdls);
3873 msk |= mvmsta->tfd_queue_msk;
3877 if (iwl_mvm_flush_tx_path(mvm, msk, true))
3878 IWL_ERR(mvm, "flush request fail\n");
3879 mutex_unlock(&mvm->mutex);
3881 mutex_unlock(&mvm->mutex);
3883 /* this can take a while, and we may need/want other operations
3884 * to succeed while doing this, so do it without the mutex held
3886 iwl_trans_wait_tx_queue_empty(mvm->trans, msk);
3890 static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
3891 struct survey_info *survey)
3893 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3896 memset(survey, 0, sizeof(*survey));
3898 /* only support global statistics right now */
3902 if (!(mvm->fw->ucode_capa.capa[0] &
3903 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
3906 mutex_lock(&mvm->mutex);
3908 if (mvm->ucode_loaded) {
3909 ret = iwl_mvm_request_statistics(mvm, false);
3914 survey->filled = SURVEY_INFO_TIME |
3915 SURVEY_INFO_TIME_RX |
3916 SURVEY_INFO_TIME_TX |
3917 SURVEY_INFO_TIME_SCAN;
3918 survey->time = mvm->accu_radio_stats.on_time_rf +
3919 mvm->radio_stats.on_time_rf;
3920 do_div(survey->time, USEC_PER_MSEC);
3922 survey->time_rx = mvm->accu_radio_stats.rx_time +
3923 mvm->radio_stats.rx_time;
3924 do_div(survey->time_rx, USEC_PER_MSEC);
3926 survey->time_tx = mvm->accu_radio_stats.tx_time +
3927 mvm->radio_stats.tx_time;
3928 do_div(survey->time_tx, USEC_PER_MSEC);
3930 survey->time_scan = mvm->accu_radio_stats.on_time_scan +
3931 mvm->radio_stats.on_time_scan;
3932 do_div(survey->time_scan, USEC_PER_MSEC);
3936 mutex_unlock(&mvm->mutex);
3940 static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
3941 struct ieee80211_vif *vif,
3942 struct ieee80211_sta *sta,
3943 struct station_info *sinfo)
3945 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3946 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3947 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3949 if (!(mvm->fw->ucode_capa.capa[0] &
3950 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
3953 /* if beacon filtering isn't on mac80211 does it anyway */
3954 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
3957 if (!vif->bss_conf.assoc)
3960 mutex_lock(&mvm->mutex);
3962 if (mvmvif->ap_sta_id != mvmsta->sta_id)
3965 if (iwl_mvm_request_statistics(mvm, false))
3968 sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons +
3969 mvmvif->beacon_stats.accu_num_beacons;
3970 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX);
3971 if (mvmvif->beacon_stats.avg_signal) {
3972 /* firmware only reports a value after RXing a few beacons */
3973 sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal;
3974 sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
3977 mutex_unlock(&mvm->mutex);
3980 static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
3981 struct ieee80211_vif *vif,
3982 const struct ieee80211_event *event)
3984 #define CHECK_MLME_TRIGGER(_mvm, _trig, _buf, _cnt, _fmt...) \
3986 if ((_cnt) && --(_cnt)) \
3988 iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt);\
3991 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3992 struct iwl_fw_dbg_trigger_tlv *trig;
3993 struct iwl_fw_dbg_trigger_mlme *trig_mlme;
3995 if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
3998 if (event->u.mlme.status == MLME_SUCCESS)
4001 trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
4002 trig_mlme = (void *)trig->data;
4003 if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
4006 if (event->u.mlme.data == ASSOC_EVENT) {
4007 if (event->u.mlme.status == MLME_DENIED)
4008 CHECK_MLME_TRIGGER(mvm, trig, buf,
4009 trig_mlme->stop_assoc_denied,
4010 "DENIED ASSOC: reason %d",
4011 event->u.mlme.reason);
4012 else if (event->u.mlme.status == MLME_TIMEOUT)
4013 CHECK_MLME_TRIGGER(mvm, trig, buf,
4014 trig_mlme->stop_assoc_timeout,
4016 } else if (event->u.mlme.data == AUTH_EVENT) {
4017 if (event->u.mlme.status == MLME_DENIED)
4018 CHECK_MLME_TRIGGER(mvm, trig, buf,
4019 trig_mlme->stop_auth_denied,
4020 "DENIED AUTH: reason %d",
4021 event->u.mlme.reason);
4022 else if (event->u.mlme.status == MLME_TIMEOUT)
4023 CHECK_MLME_TRIGGER(mvm, trig, buf,
4024 trig_mlme->stop_auth_timeout,
4026 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
4027 CHECK_MLME_TRIGGER(mvm, trig, buf,
4028 trig_mlme->stop_rx_deauth,
4029 "DEAUTH RX %d", event->u.mlme.reason);
4030 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
4031 CHECK_MLME_TRIGGER(mvm, trig, buf,
4032 trig_mlme->stop_tx_deauth,
4033 "DEAUTH TX %d", event->u.mlme.reason);
4035 #undef CHECK_MLME_TRIGGER
4038 const struct ieee80211_ops iwl_mvm_hw_ops = {
4039 .tx = iwl_mvm_mac_tx,
4040 .ampdu_action = iwl_mvm_mac_ampdu_action,
4041 .start = iwl_mvm_mac_start,
4042 .reconfig_complete = iwl_mvm_mac_reconfig_complete,
4043 .stop = iwl_mvm_mac_stop,
4044 .add_interface = iwl_mvm_mac_add_interface,
4045 .remove_interface = iwl_mvm_mac_remove_interface,
4046 .config = iwl_mvm_mac_config,
4047 .prepare_multicast = iwl_mvm_prepare_multicast,
4048 .configure_filter = iwl_mvm_configure_filter,
4049 .bss_info_changed = iwl_mvm_bss_info_changed,
4050 .hw_scan = iwl_mvm_mac_hw_scan,
4051 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
4052 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
4053 .sta_state = iwl_mvm_mac_sta_state,
4054 .sta_notify = iwl_mvm_mac_sta_notify,
4055 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
4056 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
4057 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
4058 .sta_rc_update = iwl_mvm_sta_rc_update,
4059 .conf_tx = iwl_mvm_mac_conf_tx,
4060 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
4061 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
4062 .flush = iwl_mvm_mac_flush,
4063 .sched_scan_start = iwl_mvm_mac_sched_scan_start,
4064 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
4065 .set_key = iwl_mvm_mac_set_key,
4066 .update_tkip_key = iwl_mvm_mac_update_tkip_key,
4067 .remain_on_channel = iwl_mvm_roc,
4068 .cancel_remain_on_channel = iwl_mvm_cancel_roc,
4069 .add_chanctx = iwl_mvm_add_chanctx,
4070 .remove_chanctx = iwl_mvm_remove_chanctx,
4071 .change_chanctx = iwl_mvm_change_chanctx,
4072 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
4073 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
4074 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
4076 .start_ap = iwl_mvm_start_ap_ibss,
4077 .stop_ap = iwl_mvm_stop_ap_ibss,
4078 .join_ibss = iwl_mvm_start_ap_ibss,
4079 .leave_ibss = iwl_mvm_stop_ap_ibss,
4081 .set_tim = iwl_mvm_set_tim,
4083 .channel_switch = iwl_mvm_channel_switch,
4084 .pre_channel_switch = iwl_mvm_pre_channel_switch,
4085 .post_channel_switch = iwl_mvm_post_channel_switch,
4087 .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
4088 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
4089 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
4091 .event_callback = iwl_mvm_mac_event_callback,
4093 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
4095 #ifdef CONFIG_PM_SLEEP
4097 .suspend = iwl_mvm_suspend,
4098 .resume = iwl_mvm_resume,
4099 .set_wakeup = iwl_mvm_set_wakeup,
4100 .set_rekey_data = iwl_mvm_set_rekey_data,
4101 #if IS_ENABLED(CONFIG_IPV6)
4102 .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
4104 .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
4106 .get_survey = iwl_mvm_mac_get_survey,
4107 .sta_statistics = iwl_mvm_mac_sta_statistics,