mac80211.c

   1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2/*
   3 * Copyright (C) 2012-2014, 2018-2025 Intel Corporation
   4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
   5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
   6 */
   7#include <linux/kernel.h>
   8#include <linux/fips.h>
   9#include <linux/slab.h>
  10#include <linux/skbuff.h>
  11#include <linux/netdevice.h>
  12#include <linux/etherdevice.h>
  13#include <linux/ip.h>
  14#include <linux/if_arp.h>
  15#include <linux/time.h>
  16#include <net/mac80211.h>
  17#include <net/ieee80211_radiotap.h>
  18#include <net/tcp.h>
  19
  20#include "iwl-drv.h"
  21#include "iwl-op-mode.h"
  22#include "iwl-io.h"
  23#include "mvm.h"
  24#include "sta.h"
  25#include "time-event.h"
  26#include "iwl-nvm-utils.h"
  27#include "iwl-phy-db.h"
  28#include "testmode.h"
  29#include "fw/error-dump.h"
  30#include "iwl-prph.h"
  31#include "iwl-nvm-parse.h"
  32#include "time-sync.h"
  33
  34#define IWL_MVM_LIMITS(ap)					\
  35	{							\
  36		.max = 1,					\
  37		.types = BIT(NL80211_IFTYPE_STATION),		\
  38	},							\
  39	{							\
  40		.max = 1,					\
  41		.types = ap |					\
  42			 BIT(NL80211_IFTYPE_P2P_CLIENT) |	\
  43			 BIT(NL80211_IFTYPE_P2P_GO),		\
  44	},							\
  45	{							\
  46		.max = 1,					\
  47		.types = BIT(NL80211_IFTYPE_P2P_DEVICE),	\
  48	}
  49
  50static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
  51	IWL_MVM_LIMITS(0)
  52};
  53
  54static const struct ieee80211_iface_limit iwl_mvm_limits_ap[] = {
  55	IWL_MVM_LIMITS(BIT(NL80211_IFTYPE_AP))
  56};
  57
  58static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
  59	{
  60		.num_different_channels = 2,
  61		.max_interfaces = 3,
  62		.limits = iwl_mvm_limits,
  63		.n_limits = ARRAY_SIZE(iwl_mvm_limits),
  64	},
  65	{
  66		.num_different_channels = 1,
  67		.max_interfaces = 3,
  68		.limits = iwl_mvm_limits_ap,
  69		.n_limits = ARRAY_SIZE(iwl_mvm_limits_ap),
  70	},
  71};
  72
  73static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = {
  74	.max_peers = IWL_TOF_MAX_APS,
  75	.report_ap_tsf = 1,
  76	.randomize_mac_addr = 1,
  77
  78	.ftm = {
  79		.supported = 1,
  80		.asap = 1,
  81		.non_asap = 1,
  82		.request_lci = 1,
  83		.request_civicloc = 1,
  84		.trigger_based = 1,
  85		.non_trigger_based = 1,
  86		.max_bursts_exponent = -1, /* all supported */
  87		.max_ftms_per_burst = 0, /* no limits */
  88		.bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
  89			      BIT(NL80211_CHAN_WIDTH_20) |
  90			      BIT(NL80211_CHAN_WIDTH_40) |
  91			      BIT(NL80211_CHAN_WIDTH_80) |
  92			      BIT(NL80211_CHAN_WIDTH_160),
  93		.preambles = BIT(NL80211_PREAMBLE_LEGACY) |
  94			     BIT(NL80211_PREAMBLE_HT) |
  95			     BIT(NL80211_PREAMBLE_VHT) |
  96			     BIT(NL80211_PREAMBLE_HE),
  97	},
  98};
  99
 100static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 101				 enum set_key_cmd cmd,
 102				 struct ieee80211_vif *vif,
 103				 struct ieee80211_sta *sta,
 104				 struct ieee80211_key_conf *key);
 105
 106static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
 107{
 108	int i;
 109
 110	memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
 111	for (i = 0; i < NUM_PHY_CTX; i++) {
 112		mvm->phy_ctxts[i].id = i;
 113		mvm->phy_ctxts[i].ref = 0;
 114	}
 115}
 116
 117struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
 118						  const char *alpha2,
 119						  enum iwl_mcc_source src_id,
 120						  bool *changed)
 121{
 122	struct ieee80211_regdomain *regd = NULL;
 123	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 124	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 125	struct iwl_mcc_update_resp_v8 *resp;
 126	u8 resp_ver;
 127
 128	IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
 129
 130	lockdep_assert_held(&mvm->mutex);
 131
 132	resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
 133	if (IS_ERR_OR_NULL(resp)) {
 134		IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
 135			      PTR_ERR_OR_ZERO(resp));
 136		resp = NULL;
 137		goto out;
 138	}
 139
 140	if (changed) {
 141		u32 status = le32_to_cpu(resp->status);
 142
 143		*changed = (status == MCC_RESP_NEW_CHAN_PROFILE ||
 144			    status == MCC_RESP_ILLEGAL);
 145	}
 146	resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
 147					   MCC_UPDATE_CMD, 0);
 148	IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver);
 149
 150	regd = iwl_parse_nvm_mcc_info(mvm->trans,
 151				      __le32_to_cpu(resp->n_channels),
 152				      resp->channels,
 153				      __le16_to_cpu(resp->mcc),
 154				      __le16_to_cpu(resp->geo_info),
 155				      le32_to_cpu(resp->cap), resp_ver);
 156	/* Store the return source id */
 157	src_id = resp->source_id;
 158	if (IS_ERR_OR_NULL(regd)) {
 159		IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
 160			      PTR_ERR_OR_ZERO(regd));
 161		goto out;
 162	}
 163
 164	IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
 165		      regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
 166	mvm->lar_regdom_set = true;
 167	mvm->mcc_src = src_id;
 168
 169	iwl_mei_set_country_code(__le16_to_cpu(resp->mcc));
 170
 171out:
 172	kfree(resp);
 173	return regd;
 174}
 175
 176void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
 177{
 178	bool changed;
 179	struct ieee80211_regdomain *regd;
 180
 181	if (!iwl_mvm_is_lar_supported(mvm))
 182		return;
 183
 184	regd = iwl_mvm_get_current_regdomain(mvm, &changed);
 185	if (!IS_ERR_OR_NULL(regd)) {
 186		/* only update the regulatory core if changed */
 187		if (changed)
 188			regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
 189
 190		kfree(regd);
 191	}
 192}
 193
 194struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
 195							  bool *changed)
 196{
 197	return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
 198				     iwl_mvm_is_wifi_mcc_supported(mvm) ?
 199				     MCC_SOURCE_GET_CURRENT :
 200				     MCC_SOURCE_OLD_FW, changed);
 201}
 202
 203int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync)
 204{
 205	enum iwl_mcc_source used_src;
 206	struct ieee80211_regdomain *regd;
 207	int ret;
 208	bool changed;
 209	const struct ieee80211_regdomain *r =
 210			wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd);
 211
 212	if (!r)
 213		return -ENOENT;
 214
 215	/* save the last source in case we overwrite it below */
 216	used_src = mvm->mcc_src;
 217	if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
 218		/* Notify the firmware we support wifi location updates */
 219		regd = iwl_mvm_get_current_regdomain(mvm, NULL);
 220		if (!IS_ERR_OR_NULL(regd))
 221			kfree(regd);
 222	}
 223
 224	/* Now set our last stored MCC and source */
 225	regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
 226				     &changed);
 227	if (IS_ERR_OR_NULL(regd))
 228		return -EIO;
 229
 230	/* update cfg80211 if the regdomain was changed or the caller explicitly
 231	 * asked to update regdomain
 232	 */
 233	if (changed || force_regd_sync)
 234		ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd);
 235	else
 236		ret = 0;
 237
 238	kfree(regd);
 239	return ret;
 240}
 241
 242/* Each capability added here should also be add to tm_if_types_ext_capa_sta */
 243static const u8 he_if_types_ext_capa_sta[] = {
 244	 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
 245	 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
 246	 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF |
 247	       WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB,
 248	 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB,
 249};
 250
 251static const u8 tm_if_types_ext_capa_sta[] = {
 252	 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
 253	 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT |
 254	       WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT,
 255	 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF |
 256	       WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB,
 257	 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB,
 258	 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
 259};
 260
 261/* Additional interface types for which extended capabilities are
 262 * specified separately
 263 */
 264
 265#define IWL_MVM_EMLSR_CAPA	(IEEE80211_EML_CAP_EMLSR_SUPP | \
 266				 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \
 267					__bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \
 268				 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \
 269					__bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY))
 270#define IWL_MVM_MLD_CAPA_OPS (FIELD_PREP_CONST( \
 271			IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \
 272			IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) | \
 273			IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT)
 274
 275static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
 276	{
 277		.iftype = NL80211_IFTYPE_STATION,
 278		.extended_capabilities = he_if_types_ext_capa_sta,
 279		.extended_capabilities_mask = he_if_types_ext_capa_sta,
 280		.extended_capabilities_len = sizeof(he_if_types_ext_capa_sta),
 281		/* relevant only if EHT is supported */
 282		.eml_capabilities = IWL_MVM_EMLSR_CAPA,
 283		.mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS,
 284	},
 285	{
 286		.iftype = NL80211_IFTYPE_STATION,
 287		.extended_capabilities = tm_if_types_ext_capa_sta,
 288		.extended_capabilities_mask = tm_if_types_ext_capa_sta,
 289		.extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta),
 290		/* relevant only if EHT is supported */
 291		.eml_capabilities = IWL_MVM_EMLSR_CAPA,
 292		.mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS,
 293	},
 294};
 295
 296int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, int radio_idx,
 297			   u32 *tx_ant, u32 *rx_ant)
 298{
 299	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 300	*tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
 301	*rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
 302	return 0;
 303}
 304
 305int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, int radio_idx, u32 tx_ant,
 306			   u32 rx_ant)
 307{
 308	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 309
 310	/* This has been tested on those devices only */
 311	if (mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_9000 &&
 312	    mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_22000 &&
 313	    mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_AX210)
 314		return -EOPNOTSUPP;
 315
 316	if (!mvm->nvm_data)
 317		return -EBUSY;
 318
 319	/* mac80211 ensures the device is not started,
 320	 * so the firmware cannot be running
 321	 */
 322
 323	mvm->set_tx_ant = tx_ant;
 324	mvm->set_rx_ant = rx_ant;
 325
 326	iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw);
 327
 328	return 0;
 329}
 330
 331int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 332{
 333	struct ieee80211_hw *hw = mvm->hw;
 334	int num_mac, ret, i;
 335	static const u32 mvm_ciphers[] = {
 336		WLAN_CIPHER_SUITE_WEP40,
 337		WLAN_CIPHER_SUITE_WEP104,
 338		WLAN_CIPHER_SUITE_TKIP,
 339		WLAN_CIPHER_SUITE_CCMP,
 340	};
 341#ifdef CONFIG_PM_SLEEP
 342	bool unified = fw_has_capa(&mvm->fw->ucode_capa,
 343				   IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
 344#endif
 345	u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD);
 346	u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0);
 347
 348	/* Tell mac80211 our characteristics */
 349	ieee80211_hw_set(hw, SIGNAL_DBM);
 350	ieee80211_hw_set(hw, SPECTRUM_MGMT);
 351	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
 352	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
 353	ieee80211_hw_set(hw, SUPPORTS_PS);
 354	ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
 355	ieee80211_hw_set(hw, AMPDU_AGGREGATION);
 356	ieee80211_hw_set(hw, CONNECTION_MONITOR);
 357	ieee80211_hw_set(hw, CHANCTX_STA_CSA);
 358	ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
 359	ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
 360	ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
 361	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
 362	ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
 363	ieee80211_hw_set(hw, BUFF_MMPDU_TXQ);
 364	ieee80211_hw_set(hw, STA_MMPDU_TXQ);
 365
 366	/* Set this early since we need to have it for the check below */
 367	if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable &&
 368	    !iwlwifi_mod_params.disable_11ax &&
 369	    !iwlwifi_mod_params.disable_11be) {
 370		hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;
 371		/* we handle this already earlier, but need it for MLO */
 372		ieee80211_hw_set(hw, HANDLES_QUIET_CSA);
 373	}
 374
 375	/* With MLD FW API, it tracks timing by itself,
 376	 * no need for any timing from the host
 377	 */
 378	if (!mvm->mld_api_is_used)
 379		ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
 380
 381	/*
 382	 * On older devices, enabling TX A-MSDU occasionally leads to
 383	 * something getting messed up, the command read from the FIFO
 384	 * gets out of sync and isn't a TX command, so that we have an
 385	 * assert EDC.
 386	 *
 387	 * It's not clear where the bug is, but since we didn't used to
 388	 * support A-MSDU until moving the mac80211 iTXQs, just leave it
 389	 * for older devices. We also don't see this issue on any newer
 390	 * devices.
 391	 */
 392	if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_9000)
 393		ieee80211_hw_set(hw, TX_AMSDU);
 394	ieee80211_hw_set(hw, TX_FRAG_LIST);
 395
 396	if (iwl_mvm_has_tlc_offload(mvm)) {
 397		ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW);
 398		ieee80211_hw_set(hw, HAS_RATE_CONTROL);
 399	}
 400
 401	/* We want to use the mac80211's reorder buffer for 9000 */
 402	if (iwl_mvm_has_new_rx_api(mvm) &&
 403	    mvm->trans->mac_cfg->device_family > IWL_DEVICE_FAMILY_9000)
 404		ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
 405
 406	if (fw_has_capa(&mvm->fw->ucode_capa,
 407			IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) {
 408		ieee80211_hw_set(hw, AP_LINK_PS);
 409	} else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) {
 410		/*
 411		 * we absolutely need this for the new TX API since that comes
 412		 * with many more queues than the current code can deal with
 413		 * for station powersave
 414		 */
 415		return -EINVAL;
 416	}
 417
 418	if (mvm->trans->info.num_rxqs > 1)
 419		ieee80211_hw_set(hw, USES_RSS);
 420
 421	if (mvm->trans->info.max_skb_frags)
 422		hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
 423
 424	hw->queues = IEEE80211_NUM_ACS;
 425	hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
 426	hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
 427				    IEEE80211_RADIOTAP_MCS_HAVE_STBC;
 428	hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
 429		IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
 430
 431	hw->radiotap_timestamp.units_pos =
 432		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US |
 433		IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ;
 434	/* this is the case for CCK frames, it's better (only 8) for OFDM */
 435	hw->radiotap_timestamp.accuracy = 22;
 436
 437	if (!iwl_mvm_has_tlc_offload(mvm))
 438		hw->rate_control_algorithm = RS_NAME;
 439
 440	hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
 441	hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
 442	hw->max_tx_fragments = mvm->trans->info.max_skb_frags;
 443
 444	BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6);
 445	memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
 446	hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
 447	hw->wiphy->cipher_suites = mvm->ciphers;
 448
 449	if (iwl_mvm_has_new_rx_api(mvm)) {
 450		mvm->ciphers[hw->wiphy->n_cipher_suites] =
 451			WLAN_CIPHER_SUITE_GCMP;
 452		hw->wiphy->n_cipher_suites++;
 453		mvm->ciphers[hw->wiphy->n_cipher_suites] =
 454			WLAN_CIPHER_SUITE_GCMP_256;
 455		hw->wiphy->n_cipher_suites++;
 456	}
 457
 458	if (iwlwifi_mod_params.swcrypto)
 459		IWL_ERR(mvm,
 460			"iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n");
 461	if (!iwlwifi_mod_params.bt_coex_active)
 462		IWL_ERR(mvm,
 463			"iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n");
 464
 465	if (!fips_enabled)
 466		ieee80211_hw_set(hw, MFP_CAPABLE);
 467
 468	mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC;
 469	hw->wiphy->n_cipher_suites++;
 470	if (iwl_mvm_has_new_rx_api(mvm)) {
 471		mvm->ciphers[hw->wiphy->n_cipher_suites] =
 472			WLAN_CIPHER_SUITE_BIP_GMAC_128;
 473		hw->wiphy->n_cipher_suites++;
 474		mvm->ciphers[hw->wiphy->n_cipher_suites] =
 475			WLAN_CIPHER_SUITE_BIP_GMAC_256;
 476		hw->wiphy->n_cipher_suites++;
 477	}
 478
 479	wiphy_ext_feature_set(hw->wiphy,
 480			      NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
 481	wiphy_ext_feature_set(hw->wiphy,
 482			      NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT);
 483
 484	if (fw_has_capa(&mvm->fw->ucode_capa,
 485			IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) {
 486		wiphy_ext_feature_set(hw->wiphy,
 487				      NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
 488		hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa;
 489	}
 490
 491	/*
 492	 * beacon protection must be handled by firmware,
 493	 * so cannot be done with fips_enabled
 494	 */
 495	if (!fips_enabled && sec_key_ver &&
 496	    fw_has_capa(&mvm->fw->ucode_capa,
 497			IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT))
 498		wiphy_ext_feature_set(hw->wiphy,
 499				      NL80211_EXT_FEATURE_BEACON_PROTECTION);
 500	else if (!fips_enabled &&
 501		 fw_has_capa(&mvm->fw->ucode_capa,
 502			     IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT))
 503		wiphy_ext_feature_set(hw->wiphy,
 504				      NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT);
 505
 506	if (fw_has_capa(&mvm->fw->ucode_capa,
 507			IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM))
 508		hw->wiphy->hw_timestamp_max_peers = 1;
 509
 510	if (fw_has_capa(&mvm->fw->ucode_capa,
 511			IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT))
 512		wiphy_ext_feature_set(hw->wiphy,
 513				      NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT);
 514
 515	ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
 516	hw->wiphy->features |=
 517		NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
 518		NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
 519		NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
 520
 521	hw->sta_data_size = sizeof(struct iwl_mvm_sta);
 522	hw->vif_data_size = sizeof(struct iwl_mvm_vif);
 523	hw->chanctx_data_size = sizeof(u16);
 524	hw->txq_data_size = sizeof(struct iwl_mvm_txq);
 525
 526	hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 527		BIT(NL80211_IFTYPE_P2P_CLIENT) |
 528		BIT(NL80211_IFTYPE_AP) |
 529		BIT(NL80211_IFTYPE_P2P_GO) |
 530		BIT(NL80211_IFTYPE_P2P_DEVICE) |
 531		BIT(NL80211_IFTYPE_ADHOC);
 532
 533	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 534	wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
 535
 536	/* The new Tx API does not allow to pass the key or keyid of a MPDU to
 537	 * the hw, preventing us to control which key(id) to use per MPDU.
 538	 * Till that's fixed we can't use Extended Key ID for the newer cards.
 539	 */
 540	if (!iwl_mvm_has_new_tx_api(mvm))
 541		wiphy_ext_feature_set(hw->wiphy,
 542				      NL80211_EXT_FEATURE_EXT_KEY_ID);
 543	hw->wiphy->features |= NL80211_FEATURE_HT_IBSS;
 544
 545	hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
 546	if (iwl_mvm_is_lar_supported(mvm))
 547		hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
 548	else
 549		hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
 550					       REGULATORY_DISABLE_BEACON_HINTS;
 551
 552	if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
 553		wiphy_ext_feature_set(hw->wiphy,
 554				      NL80211_EXT_FEATURE_DFS_CONCURRENT);
 555
 556	hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
 557	hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 558	hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ;
 559
 560	hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
 561	hw->wiphy->n_iface_combinations =
 562		ARRAY_SIZE(iwl_mvm_iface_combinations);
 563
 564	hw->wiphy->max_remain_on_channel_duration = 10000;
 565	hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL;
 566
 567	/* Extract MAC address */
 568	memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
 569	hw->wiphy->addresses = mvm->addresses;
 570	hw->wiphy->n_addresses = 1;
 571
 572	/* Extract additional MAC addresses if available */
 573	num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
 574		min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
 575
 576	for (i = 1; i < num_mac; i++) {
 577		memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
 578		       ETH_ALEN);
 579		mvm->addresses[i].addr[5]++;
 580		hw->wiphy->n_addresses++;
 581	}
 582
 583	iwl_mvm_reset_phy_ctxts(mvm);
 584
 585	hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
 586
 587	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
 588
 589	BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
 590	BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
 591		     IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
 592
 593	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
 594		mvm->max_scans = IWL_MAX_UMAC_SCANS;
 595	else
 596		mvm->max_scans = IWL_MAX_LMAC_SCANS;
 597
 598	if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels)
 599		hw->wiphy->bands[NL80211_BAND_2GHZ] =
 600			&mvm->nvm_data->bands[NL80211_BAND_2GHZ];
 601	if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) {
 602		hw->wiphy->bands[NL80211_BAND_5GHZ] =
 603			&mvm->nvm_data->bands[NL80211_BAND_5GHZ];
 604
 605		if (fw_has_capa(&mvm->fw->ucode_capa,
 606				IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
 607		    fw_has_api(&mvm->fw->ucode_capa,
 608			       IWL_UCODE_TLV_API_LQ_SS_PARAMS))
 609			hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |=
 610				IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
 611	}
 612	if (fw_has_capa(&mvm->fw->ucode_capa,
 613			IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) &&
 614	    mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels)
 615		hw->wiphy->bands[NL80211_BAND_6GHZ] =
 616			&mvm->nvm_data->bands[NL80211_BAND_6GHZ];
 617
 618	hw->wiphy->hw_version = mvm->trans->info.hw_id;
 619
 620	if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
 621		hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
 622	else
 623		hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 624
 625	hw->wiphy->max_sched_scan_reqs = 1;
 626	hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
 627	hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw);
 628	/* we create the 802.11 header and zero length SSID IE. */
 629	hw->wiphy->max_sched_scan_ie_len =
 630		SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
 631	hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
 632	hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
 633
 634	/*
 635	 * the firmware uses u8 for num of iterations, but 0xff is saved for
 636	 * infinite loop, so the maximum number of iterations is actually 254.
 637	 */
 638	hw->wiphy->max_sched_scan_plan_iterations = 254;
 639
 640	hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
 641			       NL80211_FEATURE_LOW_PRIORITY_SCAN |
 642			       NL80211_FEATURE_P2P_GO_OPPPS |
 643			       NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
 644			       NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
 645
 646	/* when firmware supports RLC/SMPS offload, do not set these
 647	 * driver features, since it's no longer supported by driver.
 648	 */
 649	if (!iwl_mvm_has_rlc_offload(mvm))
 650		hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS |
 651				       NL80211_FEATURE_DYNAMIC_SMPS;
 652
 653	if (fw_has_capa(&mvm->fw->ucode_capa,
 654			IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
 655		hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
 656	if (fw_has_capa(&mvm->fw->ucode_capa,
 657			IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
 658		hw->wiphy->features |= NL80211_FEATURE_QUIET;
 659
 660	if (fw_has_capa(&mvm->fw->ucode_capa,
 661			IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
 662		hw->wiphy->features |=
 663			NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
 664
 665	if (fw_has_capa(&mvm->fw->ucode_capa,
 666			IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
 667		hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
 668
 669	if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL,
 670				  IWL_FW_CMD_VER_UNKNOWN) >= 3)
 671		hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK;
 672
 673	if (fw_has_api(&mvm->fw->ucode_capa,
 674		       IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) {
 675		wiphy_ext_feature_set(hw->wiphy,
 676				      NL80211_EXT_FEATURE_SCAN_START_TIME);
 677		wiphy_ext_feature_set(hw->wiphy,
 678				      NL80211_EXT_FEATURE_BSS_PARENT_TSF);
 679	}
 680
 681	if (iwl_mvm_is_oce_supported(mvm)) {
 682		u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0);
 683
 684		wiphy_ext_feature_set(hw->wiphy,
 685			NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP);
 686		wiphy_ext_feature_set(hw->wiphy,
 687			NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME);
 688		wiphy_ext_feature_set(hw->wiphy,
 689			NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE);
 690
 691		/* Old firmware also supports probe deferral and suppression */
 692		if (scan_ver < 15)
 693			wiphy_ext_feature_set(hw->wiphy,
 694					      NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION);
 695	}
 696
 697	hw->wiphy->iftype_ext_capab = NULL;
 698	hw->wiphy->num_iftype_ext_capab = 0;
 699
 700	if (mvm->nvm_data->sku_cap_11ax_enable &&
 701	    !iwlwifi_mod_params.disable_11ax) {
 702		hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa;
 703		hw->wiphy->num_iftype_ext_capab =
 704			ARRAY_SIZE(add_iftypes_ext_capa) - 1;
 705
 706		ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
 707		ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID);
 708	}
 709
 710	if (iwl_fw_lookup_cmd_ver(mvm->fw,
 711				  WIDE_ID(DATA_PATH_GROUP,
 712					  WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
 713				  IWL_FW_CMD_VER_UNKNOWN) >= 1) {
 714		IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n");
 715
 716		if (!hw->wiphy->iftype_ext_capab) {
 717			hw->wiphy->num_iftype_ext_capab = 1;
 718			hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa +
 719				ARRAY_SIZE(add_iftypes_ext_capa) - 1;
 720		} else {
 721			hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1;
 722		}
 723	}
 724
 725	if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP,
 726						   TOF_RANGE_REQ_CMD),
 727				  IWL_FW_CMD_VER_UNKNOWN) >= 11) {
 728		wiphy_ext_feature_set(hw->wiphy,
 729				      NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE);
 730
 731		if (fw_has_capa(&mvm->fw->ucode_capa,
 732				IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT))
 733			wiphy_ext_feature_set(hw->wiphy,
 734					      NL80211_EXT_FEATURE_SECURE_LTF);
 735	}
 736
 737	mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 738
 739#ifdef CONFIG_PM_SLEEP
 740	if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) &&
 741	    device_can_wakeup(mvm->trans->dev) && !fips_enabled) {
 742		mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
 743				     WIPHY_WOWLAN_DISCONNECT |
 744				     WIPHY_WOWLAN_EAP_IDENTITY_REQ |
 745				     WIPHY_WOWLAN_RFKILL_RELEASE |
 746				     WIPHY_WOWLAN_NET_DETECT;
 747		mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
 748				     WIPHY_WOWLAN_GTK_REKEY_FAILURE |
 749				     WIPHY_WOWLAN_4WAY_HANDSHAKE;
 750
 751		mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
 752		mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
 753		mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
 754		mvm->wowlan.max_nd_match_sets =
 755			iwl_umac_scan_get_max_profiles(mvm->fw);
 756		hw->wiphy->wowlan = &mvm->wowlan;
 757	}
 758#endif
 759
 760	ret = iwl_mvm_leds_init(mvm);
 761	if (ret)
 762		return ret;
 763
 764	if (fw_has_capa(&mvm->fw->ucode_capa,
 765			IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
 766		IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
 767		hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
 768		ieee80211_hw_set(hw, TDLS_WIDER_BW);
 769	}
 770
 771	if (fw_has_capa(&mvm->fw->ucode_capa,
 772			IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
 773		IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
 774		hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
 775	}
 776
 777	hw->netdev_features |= mvm->trans->mac_cfg->base->features;
 778	if (!iwl_mvm_is_csum_supported(mvm))
 779		hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK;
 780
 781	if (mvm->cfg->vht_mu_mimo_supported)
 782		wiphy_ext_feature_set(hw->wiphy,
 783				      NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
 784
 785	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT))
 786		wiphy_ext_feature_set(hw->wiphy,
 787				      NL80211_EXT_FEATURE_PROTECTED_TWT);
 788
 789	iwl_mvm_vendor_cmds_register(mvm);
 790
 791	hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm);
 792	hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm);
 793
 794	ret = ieee80211_register_hw(mvm->hw);
 795	if (ret) {
 796		iwl_mvm_leds_exit(mvm);
 797	}
 798
 799	return ret;
 800}
 801
 802static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 803			   struct ieee80211_sta *sta)
 804{
 805	if (likely(sta)) {
 806		if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0))
 807			return;
 808	} else {
 809		if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0))
 810			return;
 811	}
 812
 813	ieee80211_free_txskb(mvm->hw, skb);
 814}
 815
 816void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
 817		    struct ieee80211_tx_control *control, struct sk_buff *skb)
 818{
 819	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 820	struct ieee80211_sta *sta = control->sta;
 821	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 822	struct ieee80211_hdr *hdr = (void *)skb->data;
 823	bool offchannel = IEEE80211_SKB_CB(skb)->flags &
 824		IEEE80211_TX_CTL_TX_OFFCHAN;
 825	u32 link_id = u32_get_bits(info->control.flags,
 826				   IEEE80211_TX_CTRL_MLO_LINK);
 827	struct ieee80211_sta *tmp_sta = sta;
 828
 829	if (iwl_mvm_is_radio_killed(mvm)) {
 830		IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
 831		goto drop;
 832	}
 833
 834	if (offchannel &&
 835	    !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) &&
 836	    !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
 837		goto drop;
 838
 839	/*
 840	 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs
 841	 * so we treat the others as broadcast
 842	 */
 843	if (ieee80211_is_mgmt(hdr->frame_control))
 844		sta = NULL;
 845
 846	/* this shouldn't even happen: just drop */
 847	if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION &&
 848	    !offchannel)
 849		goto drop;
 850
 851	if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED &&
 852	    !ieee80211_is_probe_resp(hdr->frame_control)) {
 853		/* translate MLD addresses to LINK addresses */
 854		struct ieee80211_link_sta *link_sta =
 855			rcu_dereference(tmp_sta->link[link_id]);
 856		struct ieee80211_bss_conf *link_conf =
 857			rcu_dereference(info->control.vif->link_conf[link_id]);
 858		struct ieee80211_mgmt *mgmt;
 859
 860		if (WARN_ON(!link_sta || !link_conf))
 861			goto drop;
 862
 863		/* if sta is NULL, the frame is a management frame */
 864		mgmt = (void *)hdr;
 865		memcpy(mgmt->da, link_sta->addr, ETH_ALEN);
 866		memcpy(mgmt->sa, link_conf->addr, ETH_ALEN);
 867		memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN);
 868	}
 869
 870	iwl_mvm_tx_skb(mvm, skb, sta);
 871	return;
 872 drop:
 873	ieee80211_free_txskb(hw, skb);
 874}
 875
 876void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
 877{
 878	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 879	struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
 880	struct sk_buff *skb = NULL;
 881
 882	/*
 883	 * No need for threads to be pending here, they can leave the first
 884	 * taker all the work.
 885	 *
 886	 * mvmtxq->tx_request logic:
 887	 *
 888	 * If 0, no one is currently TXing, set to 1 to indicate current thread
 889	 * will now start TX and other threads should quit.
 890	 *
 891	 * If 1, another thread is currently TXing, set to 2 to indicate to
 892	 * that thread that there was another request. Since that request may
 893	 * have raced with the check whether the queue is empty, the TXing
 894	 * thread should check the queue's status one more time before leaving.
 895	 * This check is done in order to not leave any TX hanging in the queue
 896	 * until the next TX invocation (which may not even happen).
 897	 *
 898	 * If 2, another thread is currently TXing, and it will already double
 899	 * check the queue, so do nothing.
 900	 */
 901	if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2))
 902		return;
 903
 904	rcu_read_lock();
 905	do {
 906		while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL,
 907					&mvmtxq->state) &&
 908			      !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT,
 909					&mvmtxq->state) &&
 910			      !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA,
 911					&mvmtxq->state) &&
 912			      !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) {
 913			skb = ieee80211_tx_dequeue(hw, txq);
 914
 915			if (!skb) {
 916				if (txq->sta)
 917					IWL_DEBUG_TX(mvm,
 918						     "TXQ of sta %pM tid %d is now empty\n",
 919						     txq->sta->addr,
 920						     txq->tid);
 921				break;
 922			}
 923
 924			iwl_mvm_tx_skb(mvm, skb, txq->sta);
 925		}
 926	} while (atomic_dec_return(&mvmtxq->tx_request));
 927	rcu_read_unlock();
 928}
 929
 930void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw,
 931			       struct ieee80211_txq *txq)
 932{
 933	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 934	struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
 935
 936	if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) ||
 937	    !txq->sta) {
 938		iwl_mvm_mac_itxq_xmit(hw, txq);
 939		return;
 940	}
 941
 942	/* iwl_mvm_mac_itxq_xmit() will later be called by the worker
 943	 * to handle any packets we leave on the txq now
 944	 */
 945
 946	spin_lock_bh(&mvm->add_stream_lock);
 947	/* The list is being deleted only after the queue is fully allocated. */
 948	if (list_empty(&mvmtxq->list) &&
 949	    /* recheck under lock */
 950	    !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) {
 951		list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs);
 952		schedule_work(&mvm->add_stream_wk);
 953	}
 954	spin_unlock_bh(&mvm->add_stream_lock);
 955}
 956
 957#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...)		\
 958	do {								\
 959		if (!(le16_to_cpu(_tid_bm) & BIT(_tid)))		\
 960			break;						\
 961		iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt);	\
 962	} while (0)
 963
 964static void
 965iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 966			    struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
 967			    enum ieee80211_ampdu_mlme_action action)
 968{
 969	struct iwl_fw_dbg_trigger_tlv *trig;
 970	struct iwl_fw_dbg_trigger_ba *ba_trig;
 971
 972	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
 973				     FW_DBG_TRIGGER_BA);
 974	if (!trig)
 975		return;
 976
 977	ba_trig = (void *)trig->data;
 978
 979	switch (action) {
 980	case IEEE80211_AMPDU_TX_OPERATIONAL: {
 981		struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 982		struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
 983
 984		CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
 985				 "TX AGG START: MAC %pM tid %d ssn %d\n",
 986				 sta->addr, tid, tid_data->ssn);
 987		break;
 988		}
 989	case IEEE80211_AMPDU_TX_STOP_CONT:
 990		CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
 991				 "TX AGG STOP: MAC %pM tid %d\n",
 992				 sta->addr, tid);
 993		break;
 994	case IEEE80211_AMPDU_RX_START:
 995		CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
 996				 "RX AGG START: MAC %pM tid %d ssn %d\n",
 997				 sta->addr, tid, rx_ba_ssn);
 998		break;
 999	case IEEE80211_AMPDU_RX_STOP:
1000		CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
1001				 "RX AGG STOP: MAC %pM tid %d\n",
1002				 sta->addr, tid);
1003		break;
1004	default:
1005		break;
1006	}
1007}
1008
1009int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
1010			     struct ieee80211_vif *vif,
1011			     struct ieee80211_ampdu_params *params)
1012{
1013	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1014	int ret;
1015	struct ieee80211_sta *sta = params->sta;
1016	enum ieee80211_ampdu_mlme_action action = params->action;
1017	u16 tid = params->tid;
1018	u16 *ssn = &params->ssn;
1019	u16 buf_size = params->buf_size;
1020	bool amsdu = params->amsdu;
1021	u16 timeout = params->timeout;
1022
1023	IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
1024		     sta->addr, tid, action);
1025
1026	if (!(mvm->nvm_data->sku_cap_11n_enable))
1027		return -EACCES;
1028
1029	mutex_lock(&mvm->mutex);
1030
1031	switch (action) {
1032	case IEEE80211_AMPDU_RX_START:
1033		if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id ==
1034		    iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) {
1035			struct iwl_mvm_vif *mvmvif;
1036			u16 macid = iwl_mvm_vif_from_mac80211(vif)->id;
1037			struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid];
1038
1039			mdata->opened_rx_ba_sessions = true;
1040			mvmvif = iwl_mvm_vif_from_mac80211(vif);
1041			cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk);
1042		}
1043		if (!iwl_enable_rx_ampdu()) {
1044			ret = -EINVAL;
1045			break;
1046		}
1047		ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size,
1048					 timeout);
1049		break;
1050	case IEEE80211_AMPDU_RX_STOP:
1051		ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size,
1052					 timeout);
1053		break;
1054	case IEEE80211_AMPDU_TX_START:
1055		if (!iwl_enable_tx_ampdu()) {
1056			ret = -EINVAL;
1057			break;
1058		}
1059		ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
1060		break;
1061	case IEEE80211_AMPDU_TX_STOP_CONT:
1062		ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
1063		break;
1064	case IEEE80211_AMPDU_TX_STOP_FLUSH:
1065	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1066		ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
1067		break;
1068	case IEEE80211_AMPDU_TX_OPERATIONAL:
1069		ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
1070					      buf_size, amsdu);
1071		break;
1072	default:
1073		WARN_ON_ONCE(1);
1074		ret = -EINVAL;
1075		break;
1076	}
1077
1078	if (!ret) {
1079		u16 rx_ba_ssn = 0;
1080
1081		if (action == IEEE80211_AMPDU_RX_START)
1082			rx_ba_ssn = *ssn;
1083
1084		iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
1085					    rx_ba_ssn, action);
1086	}
1087	mutex_unlock(&mvm->mutex);
1088
1089	return ret;
1090}
1091
1092static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
1093				     struct ieee80211_vif *vif)
1094{
1095	struct iwl_mvm *mvm = data;
1096	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1097	struct iwl_probe_resp_data *probe_data;
1098	unsigned int link_id;
1099
1100	mvmvif->uploaded = false;
1101
1102	spin_lock_bh(&mvm->time_event_lock);
1103	iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
1104	spin_unlock_bh(&mvm->time_event_lock);
1105
1106	mvmvif->roc_activity = ROC_NUM_ACTIVITIES;
1107
1108	mvmvif->bf_enabled = false;
1109	mvmvif->ba_enabled = false;
1110	mvmvif->ap_sta = NULL;
1111
1112	mvmvif->esr_active = false;
1113	vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE;
1114
1115	for_each_mvm_vif_valid_link(mvmvif, link_id) {
1116		mvmvif->link[link_id]->ap_sta_id = IWL_INVALID_STA;
1117		mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID;
1118		mvmvif->link[link_id]->phy_ctxt = NULL;
1119		mvmvif->link[link_id]->active = 0;
1120		mvmvif->link[link_id]->igtk = NULL;
1121		memset(&mvmvif->link[link_id]->bf_data, 0,
1122		       sizeof(mvmvif->link[link_id]->bf_data));
1123	}
1124
1125	probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data,
1126					       lockdep_is_held(&mvm->mutex));
1127	if (probe_data)
1128		kfree_rcu(probe_data, rcu_head);
1129	RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL);
1130}
1131
1132static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta)
1133{
1134	struct iwl_mvm *mvm = data;
1135	struct iwl_mvm_sta *mvm_sta;
1136	struct ieee80211_vif *vif;
1137	int link_id;
1138
1139	mvm_sta = iwl_mvm_sta_from_mac80211(sta);
1140	vif = mvm_sta->vif;
1141
1142	if (!sta->valid_links)
1143		return;
1144
1145	for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) {
1146		struct iwl_mvm_link_sta *mvm_link_sta;
1147
1148		mvm_link_sta =
1149			rcu_dereference_check(mvm_sta->link[link_id],
1150					      lockdep_is_held(&mvm->mutex));
1151		if (mvm_link_sta && !(vif->active_links & BIT(link_id))) {
1152			/*
1153			 * We have a link STA but the link is inactive in
1154			 * mac80211. This will happen if we failed to
1155			 * deactivate the link but mac80211 roll back the
1156			 * deactivation of the link.
1157			 * Delete the stale data to avoid issues later on.
1158			 */
1159			iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta,
1160						  link_id);
1161		}
1162	}
1163}
1164
1165static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
1166{
1167	iwl_mvm_stop_device(mvm);
1168
1169	mvm->cur_aid = 0;
1170
1171	mvm->scan_status = 0;
1172	mvm->ps_disabled = false;
1173	mvm->rfkill_safe_init_done = false;
1174
1175	/* just in case one was running */
1176	iwl_mvm_cleanup_roc_te(mvm);
1177	ieee80211_remain_on_channel_expired(mvm->hw);
1178
1179	iwl_mvm_ftm_restart(mvm);
1180
1181	/*
1182	 * cleanup all interfaces, even inactive ones, as some might have
1183	 * gone down during the HW restart
1184	 */
1185	ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
1186
1187	/* cleanup stations as links may be gone after restart */
1188	ieee80211_iterate_stations_atomic(mvm->hw,
1189					  iwl_mvm_cleanup_sta_iterator, mvm);
1190
1191	mvm->p2p_device_vif = NULL;
1192
1193	iwl_mvm_reset_phy_ctxts(mvm);
1194	memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
1195	memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
1196	memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
1197
1198	ieee80211_wake_queues(mvm->hw);
1199
1200	mvm->rx_ba_sessions = 0;
1201	mvm->fwrt.dump.conf = FW_DBG_INVALID;
1202	mvm->monitor_on = false;
1203#ifdef CONFIG_IWLWIFI_DEBUGFS
1204	mvm->beacon_inject_active = false;
1205#endif
1206
1207	/* keep statistics ticking */
1208	iwl_mvm_accu_radio_stats(mvm);
1209}
1210
1211int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
1212{
1213	bool fast_resume = false;
1214	int ret;
1215
1216	lockdep_assert_held(&mvm->mutex);
1217
1218	ret = iwl_mvm_mei_get_ownership(mvm);
1219	if (ret)
1220		return ret;
1221
1222	if (mvm->mei_nvm_data) {
1223		/* We got the NIC, we can now free the MEI NVM data */
1224		kfree(mvm->mei_nvm_data);
1225		mvm->mei_nvm_data = NULL;
1226
1227		/*
1228		 * We can't free the nvm_data we allocated based on the SAP
1229		 * data because we registered to cfg80211 with the channels
1230		 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data
1231		 * just in order to be able free it later.
1232		 * NULLify nvm_data so that we will read the NVM from the
1233		 * firmware this time.
1234		 */
1235		mvm->temp_nvm_data = mvm->nvm_data;
1236		mvm->nvm_data = NULL;
1237	}
1238
1239#ifdef CONFIG_PM_SLEEP
1240	/* fast_resume will be cleared by iwl_mvm_fast_resume */
1241	fast_resume = mvm->fast_resume;
1242
1243	if (fast_resume) {
1244		iwl_mvm_mei_device_state(mvm, true);
1245		ret = iwl_mvm_fast_resume(mvm);
1246		if (ret) {
1247			iwl_mvm_stop_device(mvm);
1248			/* iwl_mvm_up() will be called further down */
1249		} else {
1250			/*
1251			 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon
1252			 * mac_down() so that debugfs will stop honoring
1253			 * requests after we flush all the workers.
1254			 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again
1255			 * now that we are back. This is a bit abusing the
1256			 * flag since the firmware wasn't really ever stopped,
1257			 * but this still serves the purpose.
1258			 */
1259			set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1260		}
1261	}
1262#endif /* CONFIG_PM_SLEEP */
1263
1264	if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) {
1265		/*
1266		 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
1267		 * so later code will - from now on - see that we're doing it.
1268		 */
1269		set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1270		clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1271		/* Clean up some internal and mac80211 state on restart */
1272		iwl_mvm_restart_cleanup(mvm);
1273	}
1274
1275	/* we also want to load the firmware if fast_resume failed */
1276	if (!fast_resume || ret)
1277		ret = iwl_mvm_up(mvm);
1278
1279	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT,
1280			       NULL);
1281	iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC,
1282			       NULL);
1283
1284	mvm->last_reset_or_resume_time_jiffies = jiffies;
1285
1286	if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1287		/* Something went wrong - we need to finish some cleanup
1288		 * that normally iwl_mvm_mac_restart_complete() below
1289		 * would do.
1290		 */
1291		clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1292	}
1293
1294	return ret;
1295}
1296
1297int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1298{
1299	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1300	int ret;
1301	int retry, max_retry = 0;
1302
1303	mutex_lock(&mvm->mutex);
1304
1305	/* we are starting the mac not in error flow, and restart is enabled */
1306	if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) &&
1307	    iwlwifi_mod_params.fw_restart)
1308		max_retry = IWL_MAX_INIT_RETRY;
1309
1310	for (retry = 0; retry <= max_retry; retry++) {
1311		ret = __iwl_mvm_mac_start(mvm);
1312		if (ret != -ETIMEDOUT)
1313			break;
1314
1315		IWL_ERR(mvm, "mac start retry %d\n", retry);
1316	}
1317
1318	mutex_unlock(&mvm->mutex);
1319
1320	iwl_mvm_mei_set_sw_rfkill_state(mvm);
1321
1322	return ret;
1323}
1324
1325static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
1326{
1327	int ret;
1328
1329	guard(mvm)(mvm);
1330
1331	clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1332
1333	ret = iwl_mvm_update_quotas(mvm, true, NULL);
1334	if (ret)
1335		IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1336			ret);
1337
1338	iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY);
1339
1340	/*
1341	 * If we have TDLS peers, remove them. We don't know the last seqno/PN
1342	 * of packets the FW sent out, so we must reconnect.
1343	 */
1344	iwl_mvm_teardown_tdls_peers(mvm);
1345
1346	IWL_INFO(mvm, "restart completed\n");
1347	iwl_trans_finish_sw_reset(mvm->trans);
1348
1349	/* no need to lock, adding in parallel would schedule too */
1350	if (!list_empty(&mvm->add_stream_txqs))
1351		schedule_work(&mvm->add_stream_wk);
1352}
1353
1354void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1355				   enum ieee80211_reconfig_type reconfig_type)
1356{
1357	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1358
1359	switch (reconfig_type) {
1360	case IEEE80211_RECONFIG_TYPE_RESTART:
1361		iwl_mvm_restart_complete(mvm);
1362		break;
1363	case IEEE80211_RECONFIG_TYPE_SUSPEND:
1364		break;
1365	}
1366}
1367
1368void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend)
1369{
1370	lockdep_assert_held(&mvm->mutex);
1371
1372	iwl_mvm_ftm_initiator_smooth_stop(mvm);
1373
1374	/* firmware counters are obviously reset now, but we shouldn't
1375	 * partially track so also clear the fw_reset_accu counters.
1376	 */
1377	memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1378
1379	/* async_handlers_wk is now blocked */
1380
1381	if (!iwl_mvm_has_new_station_api(mvm->fw))
1382		iwl_mvm_rm_aux_sta(mvm);
1383
1384	if (suspend &&
1385	    mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
1386		iwl_mvm_fast_suspend(mvm);
1387		/* From this point on, we won't touch the device */
1388		iwl_mvm_mei_device_state(mvm, false);
1389	} else {
1390		iwl_mvm_stop_device(mvm);
1391	}
1392
1393	iwl_mvm_async_handlers_purge(mvm);
1394	/* async_handlers_list is empty and will stay empty: HW is stopped */
1395
1396	/*
1397	 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
1398	 * hw (as restart_complete() won't be called in this case) and mac80211
1399	 * won't execute the restart.
1400	 * But make sure to cleanup interfaces that have gone down before/during
1401	 * HW restart was requested.
1402	 */
1403	if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
1404	    test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1405			       &mvm->status))
1406		ieee80211_iterate_interfaces(mvm->hw, 0,
1407					     iwl_mvm_cleanup_iterator, mvm);
1408
1409	/* We shouldn't have any UIDs still set.  Loop over all the UIDs to
1410	 * make sure there's nothing left there and warn if any is found.
1411	 */
1412	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1413		int i;
1414
1415		for (i = 0; i < mvm->max_scans; i++) {
1416			if (WARN_ONCE(mvm->scan_uid_status[i],
1417				      "UMAC scan UID %d status was not cleaned\n",
1418				      i))
1419				mvm->scan_uid_status[i] = 0;
1420		}
1421	}
1422}
1423
1424void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend)
1425{
1426	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1427
1428	wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk);
1429	flush_work(&mvm->async_handlers_wk);
1430	flush_work(&mvm->add_stream_wk);
1431
1432	/*
1433	 * Lock and clear the firmware running bit here already, so that
1434	 * new commands coming in elsewhere, e.g. from debugfs, will not
1435	 * be able to proceed. This is important here because one of those
1436	 * debugfs files causes the firmware dump to be triggered, and if we
1437	 * don't stop debugfs accesses before canceling that it could be
1438	 * retriggered after we flush it but before we've cleared the bit.
1439	 */
1440	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1441
1442	cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork);
1443	cancel_delayed_work_sync(&mvm->scan_timeout_dwork);
1444
1445	/*
1446	 * The work item could be running or queued if the
1447	 * ROC time event stops just as we get here.
1448	 */
1449	flush_work(&mvm->roc_done_wk);
1450
1451	iwl_mvm_mei_set_sw_rfkill_state(mvm);
1452
1453	mutex_lock(&mvm->mutex);
1454	__iwl_mvm_mac_stop(mvm, suspend);
1455	mutex_unlock(&mvm->mutex);
1456
1457	/*
1458	 * The worker might have been waiting for the mutex, let it run and
1459	 * discover that its list is now empty.
1460	 */
1461	cancel_work_sync(&mvm->async_handlers_wk);
1462	wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk);
1463}
1464
1465struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1466{
1467	u16 i;
1468
1469	lockdep_assert_held(&mvm->mutex);
1470
1471	for (i = 0; i < NUM_PHY_CTX; i++)
1472		if (!mvm->phy_ctxts[i].ref)
1473			return &mvm->phy_ctxts[i];
1474
1475	IWL_ERR(mvm, "No available PHY context\n");
1476	return NULL;
1477}
1478
1479int iwl_mvm_set_tx_power(struct iwl_mvm *mvm,
1480			 struct ieee80211_bss_conf *link_conf,
1481			 s16 tx_power)
1482{
1483	u32 cmd_id = REDUCE_TX_POWER_CMD;
1484	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(link_conf->vif);
1485	u32 mac_id = mvmvif->id;
1486	int len;
1487	struct iwl_dev_tx_power_cmd_v3_v8 cmd = {
1488		.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK),
1489		.common.link_id = cpu_to_le32(mac_id),
1490	};
1491	struct iwl_dev_tx_power_cmd cmd_v9_v10;
1492	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 3);
1493	u16 u_tx_power = tx_power == IWL_DEFAULT_MAX_TX_POWER ?
1494		IWL_DEV_MAX_TX_POWER : 8 * tx_power;
1495	void *cmd_data = &cmd;
1496
1497	cmd.common.pwr_restriction = cpu_to_le16(u_tx_power);
1498
1499	if (cmd_ver > 8) {
1500		u32 link_id;
1501
1502		if (WARN_ON(!mvmvif->link[link_conf->link_id]))
1503			return -ENODEV;
1504
1505		link_id = mvmvif->link[link_conf->link_id]->fw_link_id;
1506
1507		/* Those fields sit on the same place for v9 and v10 */
1508		cmd_v9_v10.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK);
1509		cmd_v9_v10.common.link_id = cpu_to_le32(link_id);
1510		cmd_v9_v10.common.pwr_restriction = cpu_to_le16(u_tx_power);
1511		cmd_data = &cmd_v9_v10;
1512	}
1513
1514	if (cmd_ver == 10)
1515		len = sizeof(cmd_v9_v10.v10);
1516	else if (cmd_ver == 9)
1517		len = sizeof(cmd_v9_v10.v9);
1518	else if (cmd_ver == 8)
1519		len = sizeof(cmd.v8);
1520	else if (fw_has_api(&mvm->fw->ucode_capa,
1521			    IWL_UCODE_TLV_API_REDUCE_TX_POWER))
1522		len = sizeof(cmd.v5);
1523	else if (fw_has_capa(&mvm->fw->ucode_capa,
1524			     IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
1525		len = sizeof(cmd.v4);
1526	else
1527		len = sizeof(cmd.v3);
1528
1529	/* all structs have the same common part, add its length */
1530	len += sizeof(cmd.common);
1531
1532	if (cmd_ver < 9)
1533		len += sizeof(cmd.per_band);
1534
1535	return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, cmd_data);
1536
1537}
1538
1539static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta)
1540{
1541	struct ieee80211_hw *hw = data;
1542	int i;
1543
1544	for (i = 0; i < ARRAY_SIZE(sta->txq); i++) {
1545		struct iwl_mvm_txq *mvmtxq =
1546			iwl_mvm_txq_from_mac80211(sta->txq[i]);
1547
1548		clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state);
1549		iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]);
1550	}
1551}
1552
1553int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
1554				struct ieee80211_vif *vif,
1555				struct ieee80211_bss_conf *link_conf)
1556{
1557	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1558	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1559	int ret;
1560
1561	mutex_lock(&mvm->mutex);
1562
1563	if (vif->type == NL80211_IFTYPE_STATION) {
1564		struct iwl_mvm_sta *mvmsta;
1565		unsigned int link_id = link_conf->link_id;
1566		u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id;
1567
1568		mvmvif->csa_bcn_pending = false;
1569		mvmvif->csa_blocks_tx = false;
1570		mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id);
1571
1572		if (WARN_ON(!mvmsta)) {
1573			ret = -EIO;
1574			goto out_unlock;
1575		}
1576
1577		iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
1578		if (mvm->mld_api_is_used)
1579			iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false);
1580		else
1581			iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1582
1583		if (!fw_has_capa(&mvm->fw->ucode_capa,
1584				 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
1585			ret = iwl_mvm_enable_beacon_filter(mvm, vif);
1586			if (ret)
1587				goto out_unlock;
1588
1589			iwl_mvm_stop_session_protection(mvm, vif);
1590		}
1591	} else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) {
1592		struct iwl_mvm_txq *mvmtxq =
1593			iwl_mvm_txq_from_mac80211(vif->txq);
1594
1595		clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state);
1596
1597		local_bh_disable();
1598		iwl_mvm_mac_itxq_xmit(hw, vif->txq);
1599		ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw);
1600		local_bh_enable();
1601
1602		mvmvif->csa_blocks_tx = false;
1603	}
1604
1605	mvmvif->ps_disabled = false;
1606
1607	ret = iwl_mvm_power_update_ps(mvm);
1608
1609out_unlock:
1610	if (mvmvif->csa_failed)
1611		ret = -EIO;
1612	mutex_unlock(&mvm->mutex);
1613
1614	return ret;
1615}
1616
1617void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw,
1618				  struct ieee80211_vif *vif,
1619				  struct ieee80211_bss_conf *link_conf)
1620{
1621	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1622	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1623	struct iwl_chan_switch_te_cmd cmd = {
1624		.mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
1625							  mvmvif->color)),
1626		.action = cpu_to_le32(FW_CTXT_ACTION_REMOVE),
1627	};
1628
1629	/*
1630	 * In the new flow since FW is in charge of the timing,
1631	 * if driver has canceled the channel switch he will receive the
1632	 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it
1633	 */
1634	if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
1635				    CHANNEL_SWITCH_ERROR_NOTIF, 0))
1636		return;
1637
1638	IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id);
1639
1640	mutex_lock(&mvm->mutex);
1641	if (!fw_has_capa(&mvm->fw->ucode_capa,
1642			 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
1643		iwl_mvm_remove_csa_period(mvm, vif);
1644	else
1645		WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
1646					     WIDE_ID(MAC_CONF_GROUP,
1647						     CHANNEL_SWITCH_TIME_EVENT_CMD),
1648					     0, sizeof(cmd), &cmd));
1649	mvmvif->csa_failed = true;
1650	mutex_unlock(&mvm->mutex);
1651
1652	/* If we're here, we can't support MLD */
1653	iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf);
1654}
1655
1656void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk)
1657{
1658	struct iwl_mvm_vif *mvmvif;
1659	struct ieee80211_vif *vif;
1660
1661	mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work);
1662	vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv);
1663
1664	/* Trigger disconnect (should clear the CSA state) */
1665	ieee80211_chswitch_done(vif, false, 0);
1666}
1667
1668static u8
1669iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef)
1670{
1671	int data_start;
1672	int control_start;
1673	int bw;
1674
1675	if (chandef->width == NL80211_CHAN_WIDTH_320)
1676		bw = 320;
1677	else if (chandef->width == NL80211_CHAN_WIDTH_160)
1678		bw = 160;
1679	else
1680		return 0;
1681
1682	/* data is bw wide so the start is half the width */
1683	data_start = chandef->center_freq1 - bw / 2;
1684	/* control is 20Mhz width */
1685	control_start = chandef->chan->center_freq - 10;
1686
1687	return (control_start - data_start) / 80;
1688}
1689
1690static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm,
1691					 struct ieee80211_vif *vif)
1692{
1693	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1694	int ret;
1695
1696	lockdep_assert_held(&mvm->mutex);
1697
1698	ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
1699	if (ret) {
1700		IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1701		return ret;
1702	}
1703
1704	/* Only queue for this station is the mcast queue,
1705	 * which shouldn't be in TFD mask anyway
1706	 */
1707	return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0,
1708					vif->type,
1709					IWL_STA_MULTICAST);
1710}
1711
1712void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif)
1713{
1714	lockdep_assert_held(&mvm->mutex);
1715
1716	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1717		return;
1718
1719	mvmvif->deflink.average_beacon_energy = 0;
1720
1721	INIT_DELAYED_WORK(&mvmvif->csa_work,
1722			  iwl_mvm_channel_switch_disconnect_wk);
1723}
1724
1725static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1726				     struct ieee80211_vif *vif)
1727{
1728	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1729	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1730	int ret;
1731	int i;
1732
1733	mutex_lock(&mvm->mutex);
1734
1735	iwl_mvm_mac_init_mvmvif(mvm, mvmvif);
1736
1737	mvmvif->mvm = mvm;
1738
1739	/* the first link always points to the default one */
1740	mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID;
1741	mvmvif->deflink.active = 0;
1742	mvmvif->link[0] = &mvmvif->deflink;
1743
1744	vif->driver_flags = IEEE80211_VIF_REMOVE_AP_AFTER_DISASSOC;
1745
1746	iwl_mvm_set_link_fw_id(mvm, vif, &vif->bss_conf);
1747
1748	/*
1749	 * Not much to do here. The stack will not allow interface
1750	 * types or combinations that we didn't advertise, so we
1751	 * don't really have to check the types.
1752	 */
1753
1754	/* make sure that beacon statistics don't go backwards with FW reset */
1755	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1756		for_each_mvm_vif_valid_link(mvmvif, i)
1757			mvmvif->link[i]->beacon_stats.accu_num_beacons +=
1758				mvmvif->link[i]->beacon_stats.num_beacons;
1759
1760	/* Allocate resources for the MAC context, and add it to the fw  */
1761	ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1762	if (ret)
1763		goto out;
1764
1765	rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif);
1766
1767	/*
1768	 * The AP binding flow can be done only after the beacon
1769	 * template is configured (which happens only in the mac80211
1770	 * start_ap() flow), and adding the broadcast station can happen
1771	 * only after the binding.
1772	 * In addition, since modifying the MAC before adding a bcast
1773	 * station is not allowed by the FW, delay the adding of MAC context to
1774	 * the point where we can also add the bcast station.
1775	 * In short: there's not much we can do at this point, other than
1776	 * allocating resources :)
1777	 */
1778	if (vif->type == NL80211_IFTYPE_AP ||
1779	    vif->type == NL80211_IFTYPE_ADHOC) {
1780		if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1781			iwl_mvm_vif_dbgfs_add_link(mvm, vif);
1782		ret = 0;
1783		goto out;
1784	}
1785
1786	mvmvif->features |= hw->netdev_features;
1787
1788	ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1789	if (ret)
1790		goto out_unlock;
1791
1792	ret = iwl_mvm_power_update_mac(mvm);
1793	if (ret)
1794		goto out_remove_mac;
1795
1796	/* beacon filtering */
1797	ret = iwl_mvm_disable_beacon_filter(mvm, vif);
1798	if (ret)
1799		goto out_remove_mac;
1800
1801	if (!mvm->bf_allowed_vif &&
1802	    vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
1803		mvm->bf_allowed_vif = mvmvif;
1804		vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1805				     IEEE80211_VIF_SUPPORTS_CQM_RSSI;
1806	}
1807
1808	if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
1809		mvm->p2p_device_vif = vif;
1810
1811	iwl_mvm_tcm_add_vif(mvm, vif);
1812
1813	if (vif->type == NL80211_IFTYPE_MONITOR) {
1814		mvm->monitor_on = true;
1815		mvm->monitor_p80 =
1816			iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper);
1817	}
1818
1819	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1820		iwl_mvm_vif_dbgfs_add_link(mvm, vif);
1821
1822	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
1823	    vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1824	    !mvm->csme_vif && mvm->mei_registered) {
1825		iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr);
1826		iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev);
1827		mvm->csme_vif = vif;
1828	}
1829
1830out:
1831	if (!ret && (vif->type == NL80211_IFTYPE_AP ||
1832		     vif->type == NL80211_IFTYPE_ADHOC))
1833		ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif);
1834
1835	goto out_unlock;
1836
1837 out_remove_mac:
1838	mvmvif->deflink.phy_ctxt = NULL;
1839	iwl_mvm_mac_ctxt_remove(mvm, vif);
1840 out_unlock:
1841	mutex_unlock(&mvm->mutex);
1842
1843	return ret;
1844}
1845
1846void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1847				 struct ieee80211_vif *vif)
1848{
1849	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1850
1851	if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1852		/*
1853		 * Flush the ROC worker which will flush the OFFCHANNEL queue.
1854		 * We assume here that all the packets sent to the OFFCHANNEL
1855		 * queue are sent in ROC session.
1856		 */
1857		flush_work(&mvm->roc_done_wk);
1858	}
1859
1860	cancel_delayed_work_sync(&mvmvif->csa_work);
1861}
1862
1863static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1864					 struct ieee80211_vif *vif)
1865{
1866	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1867	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1868	struct iwl_probe_resp_data *probe_data;
1869
1870	iwl_mvm_prepare_mac_removal(mvm, vif);
1871
1872	if (!(vif->type == NL80211_IFTYPE_AP ||
1873	      vif->type == NL80211_IFTYPE_ADHOC))
1874		iwl_mvm_tcm_rm_vif(mvm, vif);
1875
1876	mutex_lock(&mvm->mutex);
1877
1878	if (vif == mvm->csme_vif) {
1879		iwl_mei_set_netdev(NULL);
1880		mvm->csme_vif = NULL;
1881	}
1882
1883	probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data,
1884					       lockdep_is_held(&mvm->mutex));
1885	RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL);
1886	if (probe_data)
1887		kfree_rcu(probe_data, rcu_head);
1888
1889	if (mvm->bf_allowed_vif == mvmvif) {
1890		mvm->bf_allowed_vif = NULL;
1891		vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1892				       IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1893	}
1894
1895	if (vif->bss_conf.ftm_responder)
1896		memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats));
1897
1898	iwl_mvm_vif_dbgfs_rm_link(mvm, vif);
1899
1900	/*
1901	 * For AP/GO interface, the tear down of the resources allocated to the
1902	 * interface is be handled as part of the stop_ap flow.
1903	 */
1904	if (vif->type == NL80211_IFTYPE_AP ||
1905	    vif->type == NL80211_IFTYPE_ADHOC)
1906		goto out;
1907
1908	iwl_mvm_power_update_mac(mvm);
1909
1910	/* Before the interface removal, mac80211 would cancel the ROC, and the
1911	 * ROC worker would be scheduled if needed. The worker would be flushed
1912	 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no
1913	 * binding etc. so nothing needs to be done here.
1914	 */
1915	if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1916		if (mvmvif->deflink.phy_ctxt) {
1917			iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt);
1918			mvmvif->deflink.phy_ctxt = NULL;
1919		}
1920		mvm->p2p_device_vif = NULL;
1921	}
1922
1923	iwl_mvm_mac_ctxt_remove(mvm, vif);
1924
1925	RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL);
1926
1927	if (vif->type == NL80211_IFTYPE_MONITOR)
1928		mvm->monitor_on = false;
1929
1930out:
1931	if (vif->type == NL80211_IFTYPE_AP ||
1932	    vif->type == NL80211_IFTYPE_ADHOC) {
1933		iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta);
1934		iwl_mvm_dealloc_bcast_sta(mvm, vif);
1935	}
1936
1937	mutex_unlock(&mvm->mutex);
1938}
1939
1940struct iwl_mvm_mc_iter_data {
1941	struct iwl_mvm *mvm;
1942	int port_id;
1943};
1944
1945static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1946				      struct ieee80211_vif *vif)
1947{
1948	struct iwl_mvm_mc_iter_data *data = _data;
1949	struct iwl_mvm *mvm = data->mvm;
1950	struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1951	struct iwl_host_cmd hcmd = {
1952		.id = MCAST_FILTER_CMD,
1953		.flags = CMD_ASYNC,
1954		.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
1955	};
1956	int ret, len;
1957
1958	/* if we don't have free ports, mcast frames will be dropped */
1959	if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1960		return;
1961
1962	if (vif->type != NL80211_IFTYPE_STATION ||
1963	    !vif->cfg.assoc)
1964		return;
1965
1966	cmd->port_id = data->port_id++;
1967	memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1968	len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1969
1970	hcmd.len[0] = len;
1971	hcmd.data[0] = cmd;
1972
1973	ret = iwl_mvm_send_cmd(mvm, &hcmd);
1974	if (ret)
1975		IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1976}
1977
1978static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1979{
1980	struct iwl_mvm_mc_iter_data iter_data = {
1981		.mvm = mvm,
1982	};
1983	int ret;
1984
1985	lockdep_assert_held(&mvm->mutex);
1986
1987	if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1988		return;
1989
1990	ieee80211_iterate_active_interfaces_atomic(
1991		mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1992		iwl_mvm_mc_iface_iterator, &iter_data);
1993
1994	/*
1995	 * Send a (synchronous) ech command so that we wait for the
1996	 * multiple asynchronous MCAST_FILTER_CMD commands sent by
1997	 * the interface iterator. Otherwise, we might get here over
1998	 * and over again (by userspace just sending a lot of these)
1999	 * and the CPU can send them faster than the firmware can
2000	 * process them.
2001	 * Note that the CPU is still faster - but with this we'll
2002	 * actually send fewer commands overall because the CPU will
2003	 * not schedule the work in mac80211 as frequently if it's
2004	 * still running when rescheduled (possibly multiple times).
2005	 */
2006	ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
2007	if (ret)
2008		IWL_ERR(mvm, "Failed to synchronize multicast groups update\n");
2009}
2010
2011u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
2012			      struct netdev_hw_addr_list *mc_list)
2013{
2014	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2015	struct iwl_mcast_filter_cmd *cmd;
2016	struct netdev_hw_addr *addr;
2017	int addr_count;
2018	bool pass_all;
2019	int len;
2020
2021	addr_count = netdev_hw_addr_list_count(mc_list);
2022	pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
2023		   IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
2024	if (pass_all)
2025		addr_count = 0;
2026
2027	len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
2028	cmd = kzalloc(len, GFP_ATOMIC);
2029	if (!cmd)
2030		return 0;
2031
2032	if (pass_all) {
2033		cmd->pass_all = 1;
2034		return (u64)(unsigned long)cmd;
2035	}
2036
2037	netdev_hw_addr_list_for_each(addr, mc_list) {
2038		IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
2039				   cmd->count, addr->addr);
2040		memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
2041		       addr->addr, ETH_ALEN);
2042		cmd->count++;
2043	}
2044
2045	return (u64)(unsigned long)cmd;
2046}
2047
2048void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
2049			      unsigned int changed_flags,
2050			      unsigned int *total_flags, u64 multicast)
2051{
2052	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2053	struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
2054
2055	guard(mvm)(mvm);
2056
2057	/* replace previous configuration */
2058	kfree(mvm->mcast_filter_cmd);
2059	mvm->mcast_filter_cmd = cmd;
2060
2061	if (!cmd)
2062		goto out;
2063
2064	if (changed_flags & FIF_ALLMULTI)
2065		cmd->pass_all = !!(*total_flags & FIF_ALLMULTI);
2066
2067	if (cmd->pass_all)
2068		cmd->count = 0;
2069
2070	iwl_mvm_recalc_multicast(mvm);
2071out:
2072	*total_flags = 0;
2073}
2074
2075static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
2076					struct ieee80211_vif *vif,
2077					unsigned int filter_flags,
2078					unsigned int changed_flags)
2079{
2080	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2081
2082	/* We support only filter for probe requests */
2083	if (!(changed_flags & FIF_PROBE_REQ))
2084		return;
2085
2086	/* Supported only for p2p client interfaces */
2087	if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc ||
2088	    !vif->p2p)
2089		return;
2090
2091	guard(mvm)(mvm);
2092	iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2093}
2094
2095int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
2096{
2097	struct iwl_mu_group_mgmt_cmd cmd = {};
2098
2099	memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
2100	       WLAN_MEMBERSHIP_LEN);
2101	memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
2102	       WLAN_USER_POSITION_LEN);
2103
2104	return iwl_mvm_send_cmd_pdu(mvm,
2105				    WIDE_ID(DATA_PATH_GROUP,
2106					    UPDATE_MU_GROUPS_CMD),
2107				    0, sizeof(cmd), &cmd);
2108}
2109
2110static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac,
2111					   struct ieee80211_vif *vif)
2112{
2113	if (vif->bss_conf.mu_mimo_owner) {
2114		struct iwl_mu_group_mgmt_notif *notif = _data;
2115
2116		/*
2117		 * MU-MIMO Group Id action frame is little endian. We treat
2118		 * the data received from firmware as if it came from the
2119		 * action frame, so no conversion is needed.
2120		 */
2121		ieee80211_update_mu_groups(vif, 0,
2122					   (u8 *)&notif->membership_status,
2123					   (u8 *)&notif->user_position);
2124	}
2125}
2126
2127void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
2128			       struct iwl_rx_cmd_buffer *rxb)
2129{
2130	struct iwl_rx_packet *pkt = rxb_addr(rxb);
2131	struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data;
2132
2133	ieee80211_iterate_active_interfaces_atomic(
2134			mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
2135			iwl_mvm_mu_mimo_iface_iterator, notif);
2136}
2137
2138static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit)
2139{
2140	u8 byte_num = ppe_pos_bit / 8;
2141	u8 bit_num = ppe_pos_bit % 8;
2142	u8 residue_bits;
2143	u8 res;
2144
2145	if (bit_num <= 5)
2146		return (ppe[byte_num] >> bit_num) &
2147		       (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1);
2148
2149	/*
2150	 * If bit_num > 5, we have to combine bits with next byte.
2151	 * Calculate how many bits we need to take from current byte (called
2152	 * here "residue_bits"), and add them to bits from next byte.
2153	 */
2154
2155	residue_bits = 8 - bit_num;
2156
2157	res = (ppe[byte_num + 1] &
2158	       (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) <<
2159	      residue_bits;
2160	res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1);
2161
2162	return res;
2163}
2164
2165static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm,
2166			      struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss,
2167			      u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit,
2168			      bool inheritance)
2169{
2170	int i;
2171
2172	/*
2173	* FW currently supports only nss == MAX_HE_SUPP_NSS
2174	*
2175	* If nss > MAX: we can ignore values we don't support
2176	* If nss < MAX: we can set zeros in other streams
2177	*/
2178	if (nss > MAX_HE_SUPP_NSS) {
2179		IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss,
2180			       MAX_HE_SUPP_NSS);
2181		nss = MAX_HE_SUPP_NSS;
2182	}
2183
2184	for (i = 0; i < nss; i++) {
2185		u8 ru_index_tmp = ru_index_bitmap << 1;
2186		u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE;
2187		u8 bw;
2188
2189		for (bw = 0;
2190		     bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
2191		     bw++) {
2192			ru_index_tmp >>= 1;
2193
2194			/*
2195			* According to the 11be spec, if for a specific BW the PPE Thresholds
2196			* isn't present - it should inherit the thresholds from the last
2197			* BW for which we had PPE Thresholds. In 11ax though, we don't have
2198			* this inheritance - continue in this case
2199			*/
2200			if (!(ru_index_tmp & 1)) {
2201				if (inheritance)
2202					goto set_thresholds;
2203				else
2204					continue;
2205			}
2206
2207			high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit);
2208			ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE;
2209			low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit);
2210			ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE;
2211
2212set_thresholds:
2213			pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
2214			pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
2215		}
2216	}
2217}
2218
2219static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm,
2220					    struct ieee80211_link_sta *link_sta,
2221					    struct iwl_he_pkt_ext_v2 *pkt_ext,
2222					    bool inheritance)
2223{
2224	u8 nss = (link_sta->he_cap.ppe_thres[0] &
2225		  IEEE80211_PPE_THRES_NSS_MASK) + 1;
2226	u8 *ppe = &link_sta->he_cap.ppe_thres[0];
2227	u8 ru_index_bitmap =
2228		u8_get_bits(*ppe,
2229			    IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2230	/* Starting after PPE header */
2231	u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE;
2232
2233	iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit,
2234			  inheritance);
2235}
2236
2237static int
2238iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext,
2239					 u8 nominal_padding)
2240{
2241	int low_th = -1;
2242	int high_th = -1;
2243	int i;
2244
2245	/* all the macros are the same for EHT and HE */
2246	switch (nominal_padding) {
2247	case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US:
2248		low_th = IWL_HE_PKT_EXT_NONE;
2249		high_th = IWL_HE_PKT_EXT_NONE;
2250		break;
2251	case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US:
2252		low_th = IWL_HE_PKT_EXT_BPSK;
2253		high_th = IWL_HE_PKT_EXT_NONE;
2254		break;
2255	case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US:
2256	case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US:
2257		low_th = IWL_HE_PKT_EXT_NONE;
2258		high_th = IWL_HE_PKT_EXT_BPSK;
2259		break;
2260	}
2261
2262	if (low_th < 0 || high_th < 0)
2263		return -EINVAL;
2264
2265	/* Set the PPE thresholds accordingly */
2266	for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2267		u8 bw;
2268
2269		for (bw = 0;
2270			bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
2271			bw++) {
2272			pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
2273			pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
2274		}
2275	}
2276
2277	return 0;
2278}
2279
2280static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext,
2281					 u8 nominal_padding)
2282{
2283	int i;
2284
2285	for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2286		u8 bw;
2287
2288		for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
2289		     bw++) {
2290			u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0];
2291
2292			if (nominal_padding >
2293			    IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US &&
2294			    qam_th[1] == IWL_HE_PKT_EXT_NONE)
2295				qam_th[1] = IWL_HE_PKT_EXT_4096QAM;
2296			else if (nominal_padding ==
2297				 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US &&
2298				 qam_th[0] == IWL_HE_PKT_EXT_NONE &&
2299				 qam_th[1] == IWL_HE_PKT_EXT_NONE)
2300				qam_th[0] = IWL_HE_PKT_EXT_4096QAM;
2301		}
2302	}
2303}
2304
2305/* Set the pkt_ext field according to PPE Thresholds element */
2306int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm,
2307			    struct ieee80211_link_sta *link_sta,
2308			    struct iwl_he_pkt_ext_v2 *pkt_ext)
2309{
2310	u8 nominal_padding;
2311	int i, ret = 0;
2312
2313	if (WARN_ON(!link_sta))
2314		return -EINVAL;
2315
2316	/* Initialize the PPE thresholds to "None" (7), as described in Table
2317	 * 9-262ac of 80211.ax/D3.0.
2318	 */
2319	memset(pkt_ext, IWL_HE_PKT_EXT_NONE,
2320	       sizeof(struct iwl_he_pkt_ext_v2));
2321
2322	if (link_sta->eht_cap.has_eht) {
2323		nominal_padding =
2324			u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5],
2325				    IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK);
2326
2327		/* If PPE Thresholds exists, parse them into a FW-familiar
2328		 * format.
2329		 */
2330		if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] &
2331		    IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2332			u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] &
2333				IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1;
2334			u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0];
2335			u8 ru_index_bitmap =
2336				u16_get_bits(*ppe,
2337					     IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2338			 /* Starting after PPE header */
2339			u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2340
2341			iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap,
2342					  ppe, ppe_pos_bit, true);
2343		/* EHT PPE Thresholds doesn't exist - set the API according to
2344		 * HE PPE Tresholds
2345		 */
2346		} else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] &
2347			   IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2348			/* Even though HE Capabilities IE doesn't contain PPE
2349			 * Thresholds for BW 320Mhz, thresholds for this BW will
2350			 * be filled in with the same values as 160Mhz, due to
2351			 * the inheritance, as required.
2352			 */
2353			iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext,
2354							true);
2355
2356			/* According to the requirements, for MCSs 12-13 the
2357			 * maximum value between HE PPE Threshold and Common
2358			 * Nominal Packet Padding needs to be taken
2359			 */
2360			iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding);
2361
2362		/* if PPE Thresholds doesn't present in both EHT IE and HE IE -
2363		 * take the Thresholds from Common Nominal Packet Padding field
2364		 */
2365		} else {
2366			ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext,
2367								       nominal_padding);
2368		}
2369	} else if (link_sta->he_cap.has_he) {
2370		/* If PPE Thresholds exist, parse them into a FW-familiar format. */
2371		if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] &
2372			IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2373			iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext,
2374							false);
2375		/* PPE Thresholds doesn't exist - set the API PPE values
2376		 * according to Common Nominal Packet Padding field.
2377		 */
2378		} else {
2379			nominal_padding =
2380				u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9],
2381					    IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
2382			if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED)
2383				ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext,
2384									       nominal_padding);
2385		}
2386	}
2387
2388	for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2389		int bw;
2390
2391		for (bw = 0;
2392		     bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]);
2393		     bw++) {
2394			u8 *qam_th =
2395				&pkt_ext->pkt_ext_qam_th[i][bw][0];
2396
2397			IWL_DEBUG_HT(mvm,
2398				     "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n",
2399				     i, bw, qam_th[0], qam_th[1]);
2400		}
2401	}
2402	return ret;
2403}
2404
2405/*
2406 * This function sets the MU EDCA parameters ans returns whether MU EDCA
2407 * is enabled or not
2408 */
2409bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm,
2410				   const struct iwl_mvm_vif_link_info *link_info,
2411				   struct iwl_he_backoff_conf *trig_based_txf)
2412{
2413	int i;
2414	/* Mark MU EDCA as enabled, unless none detected on some AC */
2415	bool mu_edca_enabled = true;
2416
2417	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
2418		const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca =
2419			&link_info->queue_params[i].mu_edca_param_rec;
2420		u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i);
2421
2422		if (!link_info->queue_params[i].mu_edca) {
2423			mu_edca_enabled = false;
2424			break;
2425		}
2426
2427		trig_based_txf[ac].cwmin =
2428			cpu_to_le16(mu_edca->ecw_min_max & 0xf);
2429		trig_based_txf[ac].cwmax =
2430			cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4);
2431		trig_based_txf[ac].aifsn =
2432			cpu_to_le16(mu_edca->aifsn & 0xf);
2433		trig_based_txf[ac].mu_time =
2434			cpu_to_le16(mu_edca->mu_edca_timer);
2435	}
2436
2437	return mu_edca_enabled;
2438}
2439
2440bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
2441{
2442	const struct ieee80211_supported_band *sband;
2443	const struct ieee80211_sta_he_cap *own_he_cap = NULL;
2444
2445	/* This capability is the same for all bands,
2446	 * so take it from one of them.
2447	 */
2448	sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
2449	own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
2450
2451	return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] &
2452			       IEEE80211_HE_MAC_CAP2_ACK_EN));
2453}
2454
2455__le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta,
2456				 struct ieee80211_link_sta *link_sta)
2457{
2458	u8 *mac_cap_info =
2459		&link_sta->he_cap.he_cap_elem.mac_cap_info[0];
2460	__le32 htc_flags = 0;
2461
2462	if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
2463		htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT);
2464	if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) ||
2465	    (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) {
2466		u8 link_adap =
2467			((mac_cap_info[2] &
2468			  IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) +
2469			 (mac_cap_info[1] &
2470			  IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION);
2471
2472		if (link_adap == 2)
2473			htc_flags |=
2474				cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED);
2475		else if (link_adap == 3)
2476			htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH);
2477	}
2478	if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
2479		htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP);
2480	if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
2481		htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP);
2482	if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
2483		htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP);
2484
2485	return htc_flags;
2486}
2487
2488static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
2489			       struct ieee80211_vif *vif, u8 sta_id)
2490{
2491	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2492	struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = {
2493		.sta_id = sta_id,
2494		.tid_limit = IWL_MAX_TID_COUNT,
2495		.bss_color = vif->bss_conf.he_bss_color.color,
2496		.htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext,
2497		.frame_time_rts_th =
2498			cpu_to_le16(vif->bss_conf.frame_time_rts_th),
2499	};
2500	struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {};
2501	u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD);
2502	u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2);
2503	int size;
2504	struct ieee80211_sta *sta;
2505	u32 flags;
2506	int i;
2507	void *cmd;
2508
2509	if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE))
2510		ver = 1;
2511
2512	switch (ver) {
2513	case 1:
2514		/* same layout as v2 except some data at the end */
2515		cmd = &sta_ctxt_cmd_v2;
2516		size = sizeof(struct iwl_he_sta_context_cmd_v1);
2517		break;
2518	case 2:
2519		cmd = &sta_ctxt_cmd_v2;
2520		size = sizeof(struct iwl_he_sta_context_cmd_v2);
2521		break;
2522	case 3:
2523		cmd = &sta_ctxt_cmd;
2524		size = sizeof(struct iwl_he_sta_context_cmd_v3);
2525		break;
2526	default:
2527		IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver);
2528		return;
2529	}
2530
2531	rcu_read_lock();
2532
2533	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]);
2534	if (IS_ERR_OR_NULL(sta)) {
2535		rcu_read_unlock();
2536		WARN(1, "Can't find STA to configure HE\n");
2537		return;
2538	}
2539
2540	if (!sta->deflink.he_cap.has_he) {
2541		rcu_read_unlock();
2542		return;
2543	}
2544
2545	flags = 0;
2546
2547	/* Block 26-tone RU OFDMA transmissions */
2548	if (mvmvif->deflink.he_ru_2mhz_block)
2549		flags |= STA_CTXT_HE_RU_2MHZ_BLOCK;
2550
2551	/* HTC flags */
2552	sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink);
2553
2554	/* PPE Thresholds */
2555	if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext))
2556		flags |= STA_CTXT_HE_PACKET_EXT;
2557
2558	if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] &
2559	    IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP)
2560		flags |= STA_CTXT_HE_32BIT_BA_BITMAP;
2561
2562	if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] &
2563	    IEEE80211_HE_MAC_CAP2_ACK_EN)
2564		flags |= STA_CTXT_HE_ACK_ENABLED;
2565
2566	rcu_read_unlock();
2567
2568	if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink,
2569					  &sta_ctxt_cmd.trig_based_txf[0]))
2570		flags |= STA_CTXT_HE_MU_EDCA_CW;
2571
2572	if (vif->bss_conf.uora_exists) {
2573		flags |= STA_CTXT_HE_TRIG_RND_ALLOC;
2574
2575		sta_ctxt_cmd.rand_alloc_ecwmin =
2576			vif->bss_conf.uora_ocw_range & 0x7;
2577		sta_ctxt_cmd.rand_alloc_ecwmax =
2578			(vif->bss_conf.uora_ocw_range >> 3) & 0x7;
2579	}
2580
2581	if (!iwl_mvm_is_nic_ack_enabled(mvm, vif))
2582		flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED;
2583
2584	if (vif->bss_conf.nontransmitted) {
2585		flags |= STA_CTXT_HE_REF_BSSID_VALID;
2586		ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr,
2587				vif->bss_conf.transmitter_bssid);
2588		sta_ctxt_cmd.max_bssid_indicator =
2589			vif->bss_conf.bssid_indicator;
2590		sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index;
2591		sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap;
2592		sta_ctxt_cmd.profile_periodicity =
2593			vif->bss_conf.profile_periodicity;
2594	}
2595
2596	sta_ctxt_cmd.flags = cpu_to_le32(flags);
2597
2598	if (ver < 3) {
2599		/* fields before pkt_ext */
2600		BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) !=
2601			     offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext));
2602		memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd,
2603		       offsetof(typeof(sta_ctxt_cmd), pkt_ext));
2604
2605		/* pkt_ext */
2606		for (i = 0;
2607		     i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th);
2608		     i++) {
2609			u8 bw;
2610
2611			for (bw = 0;
2612			     bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]);
2613			     bw++) {
2614				BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) !=
2615					     sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw]));
2616
2617				memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw],
2618				       &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw],
2619				       sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]));
2620			}
2621		}
2622
2623		/* fields after pkt_ext */
2624		BUILD_BUG_ON(sizeof(sta_ctxt_cmd) -
2625			     offsetofend(typeof(sta_ctxt_cmd), pkt_ext) !=
2626			     sizeof(sta_ctxt_cmd_v2) -
2627			     offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext));
2628		memcpy((u8 *)&sta_ctxt_cmd_v2 +
2629				offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext),
2630		       (u8 *)&sta_ctxt_cmd +
2631				offsetofend(typeof(sta_ctxt_cmd), pkt_ext),
2632		       sizeof(sta_ctxt_cmd) -
2633				offsetofend(typeof(sta_ctxt_cmd), pkt_ext));
2634		sta_ctxt_cmd_v2.reserved3 = 0;
2635	}
2636
2637	if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd))
2638		IWL_ERR(mvm, "Failed to config FW to work HE!\n");
2639}
2640
2641void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2642			   u32 duration_override, unsigned int link_id)
2643{
2644	u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
2645	u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS;
2646
2647	if (duration_override > duration)
2648		duration = duration_override;
2649
2650	/* Try really hard to protect the session and hear a beacon
2651	 * The new session protection command allows us to protect the
2652	 * session for a much longer time since the firmware will internally
2653	 * create two events: a 300TU one with a very high priority that
2654	 * won't be fragmented which should be enough for 99% of the cases,
2655	 * and another one (which we configure here to be 900TU long) which
2656	 * will have a slightly lower priority, but more importantly, can be
2657	 * fragmented so that it'll allow other activities to run.
2658	 */
2659	if (fw_has_capa(&mvm->fw->ucode_capa,
2660			IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
2661		iwl_mvm_schedule_session_protection(mvm, vif, 900,
2662						    min_duration, false,
2663						    link_id);
2664	else
2665		iwl_mvm_protect_session(mvm, vif, duration,
2666					min_duration, 500, false);
2667}
2668
2669/* Handle association common part to MLD and non-MLD modes */
2670void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm,
2671					    struct ieee80211_vif *vif,
2672					    u64 changes)
2673{
2674	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2675	int ret;
2676	int link_id;
2677
2678	/* The firmware tracks the MU-MIMO group on its own.
2679	 * However, on HW restart we should restore this data.
2680	 */
2681	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2682	    (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) {
2683		ret = iwl_mvm_update_mu_groups(mvm, vif);
2684		if (ret)
2685			IWL_ERR(mvm,
2686				"failed to update VHT MU_MIMO groups\n");
2687	}
2688
2689	iwl_mvm_recalc_multicast(mvm);
2690
2691	/* reset rssi values */
2692	for_each_mvm_vif_valid_link(mvmvif, link_id)
2693		mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0;
2694
2695	iwl_mvm_bt_coex_vif_change(mvm);
2696	iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT,
2697					    IEEE80211_SMPS_AUTOMATIC);
2698	if (fw_has_capa(&mvm->fw->ucode_capa,
2699			IWL_UCODE_TLV_CAPA_UMAC_SCAN))
2700		iwl_mvm_config_scan(mvm);
2701}
2702
2703/* Execute the common part for MLD and non-MLD modes */
2704void
2705iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm,
2706					struct ieee80211_vif *vif,
2707					struct ieee80211_bss_conf *link_conf,
2708					u64 changes)
2709{
2710	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2711	int ret;
2712
2713	if (changes & BSS_CHANGED_BEACON_INFO) {
2714		/* We received a beacon from the associated AP so
2715		 * remove the session protection.
2716		 */
2717		iwl_mvm_stop_session_protection(mvm, vif);
2718
2719		iwl_mvm_sf_update(mvm, vif, false);
2720		WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif));
2721	}
2722
2723	if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS |
2724		       /* Send power command on every beacon change,
2725			* because we may have not enabled beacon abort yet.
2726			*/
2727		       BSS_CHANGED_BEACON_INFO)) {
2728		ret = iwl_mvm_power_update_mac(mvm);
2729		if (ret)
2730			IWL_ERR(mvm, "failed to update power mode\n");
2731	}
2732
2733	if (changes & BSS_CHANGED_CQM) {
2734		struct iwl_mvm_vif_link_info *link_info =
2735			mvmvif->link[link_conf->link_id];
2736
2737		IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n");
2738		if (link_info)
2739			link_info->bf_data.last_cqm_event = 0;
2740
2741		if (mvmvif->bf_enabled) {
2742			/* FIXME: need to update per link when FW API will
2743			 * support it
2744			 */
2745			ret = iwl_mvm_enable_beacon_filter(mvm, vif);
2746			if (ret)
2747				IWL_ERR(mvm,
2748					"failed to update CQM thresholds\n");
2749		}
2750	}
2751
2752	if (changes & BSS_CHANGED_BANDWIDTH)
2753		iwl_mvm_update_link_smps(vif, link_conf);
2754
2755	if (changes & BSS_CHANGED_TPE) {
2756		IWL_DEBUG_CALIB(mvm, "Changing TPE\n");
2757		iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif,
2758							link_conf,
2759							false);
2760	}
2761}
2762
2763static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
2764					     struct ieee80211_vif *vif,
2765					     struct ieee80211_bss_conf *bss_conf,
2766					     u64 changes)
2767{
2768	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2769	int ret;
2770	int i;
2771
2772	/*
2773	 * Re-calculate the tsf id, as the leader-follower relations depend
2774	 * on the beacon interval, which was not known when the station
2775	 * interface was added.
2776	 */
2777	if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) {
2778		if ((vif->bss_conf.he_support &&
2779		     !iwlwifi_mod_params.disable_11ax))
2780			iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id);
2781
2782		iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2783	}
2784
2785	/* Update MU EDCA params */
2786	if (changes & BSS_CHANGED_QOS && mvmvif->associated &&
2787	    vif->cfg.assoc &&
2788	    (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax))
2789		iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id);
2790
2791	/*
2792	 * If we're not associated yet, take the (new) BSSID before associating
2793	 * so the firmware knows. If we're already associated, then use the old
2794	 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
2795	 * branch for disassociation below.
2796	 */
2797	if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
2798		memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN);
2799
2800	ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid);
2801	if (ret)
2802		IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
2803
2804	/* after sending it once, adopt mac80211 data */
2805	memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN);
2806	mvmvif->associated = vif->cfg.assoc;
2807
2808	if (changes & BSS_CHANGED_ASSOC) {
2809		if (vif->cfg.assoc) {
2810			mvmvif->session_prot_connection_loss = false;
2811
2812			/* clear statistics to get clean beacon counter */
2813			iwl_mvm_request_statistics(mvm, true);
2814			for_each_mvm_vif_valid_link(mvmvif, i)
2815				memset(&mvmvif->link[i]->beacon_stats, 0,
2816				       sizeof(mvmvif->link[i]->beacon_stats));
2817
2818			/* add quota for this interface */
2819			ret = iwl_mvm_update_quotas(mvm, true, NULL);
2820			if (ret) {
2821				IWL_ERR(mvm, "failed to update quotas\n");
2822				return;
2823			}
2824
2825			if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2826				     &mvm->status) &&
2827			    !fw_has_capa(&mvm->fw->ucode_capa,
2828					 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) {
2829				/*
2830				 * If we're restarting then the firmware will
2831				 * obviously have lost synchronisation with
2832				 * the AP. It will attempt to synchronise by
2833				 * itself, but we can make it more reliable by
2834				 * scheduling a session protection time event.
2835				 *
2836				 * The firmware needs to receive a beacon to
2837				 * catch up with synchronisation, use 110% of
2838				 * the beacon interval.
2839				 *
2840				 * Set a large maximum delay to allow for more
2841				 * than a single interface.
2842				 *
2843				 * For new firmware versions, rely on the
2844				 * firmware. This is relevant for DCM scenarios
2845				 * only anyway.
2846				 */
2847				u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
2848				iwl_mvm_protect_session(mvm, vif, dur, dur,
2849							5 * dur, false);
2850			} else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2851					     &mvm->status) &&
2852				   !vif->bss_conf.dtim_period) {
2853				/*
2854				 * If we're not restarting and still haven't
2855				 * heard a beacon (dtim period unknown) then
2856				 * make sure we still have enough minimum time
2857				 * remaining in the time event, since the auth
2858				 * might actually have taken quite a while
2859				 * (especially for SAE) and so the remaining
2860				 * time could be small without us having heard
2861				 * a beacon yet.
2862				 */
2863				iwl_mvm_protect_assoc(mvm, vif, 0, 0);
2864			}
2865
2866			iwl_mvm_sf_update(mvm, vif, false);
2867			iwl_mvm_power_vif_assoc(mvm, vif);
2868			if (vif->p2p) {
2869				iwl_mvm_update_smps(mvm, vif,
2870						    IWL_MVM_SMPS_REQ_PROT,
2871						    IEEE80211_SMPS_DYNAMIC, 0);
2872			}
2873		} else if (mvmvif->deflink.ap_sta_id != IWL_INVALID_STA) {
2874			iwl_mvm_mei_host_disassociated(mvm);
2875			/*
2876			 * If update fails - SF might be running in associated
2877			 * mode while disassociated - which is forbidden.
2878			 */
2879			ret = iwl_mvm_sf_update(mvm, vif, false);
2880			WARN_ONCE(ret &&
2881				  !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
2882					    &mvm->status),
2883				  "Failed to update SF upon disassociation\n");
2884
2885			/* remove quota for this interface */
2886			ret = iwl_mvm_update_quotas(mvm, false, NULL);
2887			if (ret)
2888				IWL_ERR(mvm, "failed to update quotas\n");
2889
2890			/* this will take the cleared BSSID from bss_conf */
2891			ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2892			if (ret)
2893				IWL_ERR(mvm,
2894					"failed to update MAC %pM (clear after unassoc)\n",
2895					vif->addr);
2896		}
2897
2898		iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes);
2899	}
2900
2901	iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf,
2902						changes);
2903}
2904
2905bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw,
2906				  struct ieee80211_vif *vif,
2907				  int *ret)
2908{
2909	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2910	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2911	int i;
2912
2913	lockdep_assert_held(&mvm->mutex);
2914
2915	mvmvif->ap_assoc_sta_count = 0;
2916
2917	/* must be set before quota calculations */
2918	mvmvif->ap_ibss_active = true;
2919
2920	/* send all the early keys to the device now */
2921	for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) {
2922		struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i];
2923
2924		if (!key)
2925			continue;
2926
2927		mvmvif->ap_early_keys[i] = NULL;
2928
2929		*ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key);
2930		if (*ret)
2931			return true;
2932	}
2933
2934	if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) {
2935		iwl_mvm_vif_set_low_latency(mvmvif, true,
2936					    LOW_LATENCY_VIF_TYPE);
2937		iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id);
2938	}
2939
2940	/* power updated needs to be done before quotas */
2941	iwl_mvm_power_update_mac(mvm);
2942
2943	return false;
2944}
2945
2946static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
2947				 struct ieee80211_vif *vif,
2948				 struct ieee80211_bss_conf *link_conf)
2949{
2950	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2951	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2952	int ret;
2953
2954	mutex_lock(&mvm->mutex);
2955
2956	/*
2957	 * Re-calculate the tsf id, as the leader-follower relations depend on
2958	 * the beacon interval, which was not known when the AP interface
2959	 * was added.
2960	 */
2961	if (vif->type == NL80211_IFTYPE_AP)
2962		iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2963
2964	/* For older devices need to send beacon template before adding mac
2965	 * context. For the newer, the beacon is a resource that belongs to a
2966	 * MAC, so need to send beacon template after adding the mac.
2967	 */
2968	if (mvm->trans->mac_cfg->device_family > IWL_DEVICE_FAMILY_22000) {
2969		/* Add the mac context */
2970		ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2971		if (ret)
2972			goto out_unlock;
2973
2974		/* Send the beacon template */
2975		ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf);
2976		if (ret)
2977			goto out_unlock;
2978	} else {
2979		/* Send the beacon template */
2980		ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf);
2981		if (ret)
2982			goto out_unlock;
2983
2984		/* Add the mac context */
2985		ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2986		if (ret)
2987			goto out_unlock;
2988	}
2989
2990	/* Perform the binding */
2991	ret = iwl_mvm_binding_add_vif(mvm, vif);
2992	if (ret)
2993		goto out_remove;
2994
2995	/*
2996	 * This is not very nice, but the simplest:
2997	 * For older FWs adding the mcast sta before the bcast station may
2998	 * cause assert 0x2b00.
2999	 * This is fixed in later FW so make the order of removal depend on
3000	 * the TLV
3001	 */
3002	if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) {
3003		ret = iwl_mvm_add_mcast_sta(mvm, vif);
3004		if (ret)
3005			goto out_unbind;
3006		/*
3007		 * Send the bcast station. At this stage the TBTT and DTIM time
3008		 * events are added and applied to the scheduler
3009		 */
3010		ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
3011		if (ret) {
3012			iwl_mvm_rm_mcast_sta(mvm, vif);
3013			goto out_unbind;
3014		}
3015	} else {
3016		/*
3017		 * Send the bcast station. At this stage the TBTT and DTIM time
3018		 * events are added and applied to the scheduler
3019		 */
3020		ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
3021		if (ret)
3022			goto out_unbind;
3023		ret = iwl_mvm_add_mcast_sta(mvm, vif);
3024		if (ret) {
3025			iwl_mvm_send_rm_bcast_sta(mvm, vif);
3026			goto out_unbind;
3027		}
3028	}
3029
3030	if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret))
3031		goto out_failed;
3032
3033	ret = iwl_mvm_update_quotas(mvm, false, NULL);
3034	if (ret)
3035		goto out_failed;
3036
3037	/* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
3038	if (vif->p2p && mvm->p2p_device_vif)
3039		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
3040
3041	iwl_mvm_bt_coex_vif_change(mvm);
3042
3043	/* we don't support TDLS during DCM */
3044	if (iwl_mvm_phy_ctx_count(mvm) > 1)
3045		iwl_mvm_teardown_tdls_peers(mvm);
3046
3047	iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf);
3048
3049	goto out_unlock;
3050
3051out_failed:
3052	iwl_mvm_power_update_mac(mvm);
3053	mvmvif->ap_ibss_active = false;
3054	iwl_mvm_send_rm_bcast_sta(mvm, vif);
3055	iwl_mvm_rm_mcast_sta(mvm, vif);
3056out_unbind:
3057	iwl_mvm_binding_remove_vif(mvm, vif);
3058out_remove:
3059	iwl_mvm_mac_ctxt_remove(mvm, vif);
3060out_unlock:
3061	mutex_unlock(&mvm->mutex);
3062	return ret;
3063}
3064
3065static int iwl_mvm_start_ap(struct ieee80211_hw *hw,
3066			    struct ieee80211_vif *vif,
3067			    struct ieee80211_bss_conf *link_conf)
3068{
3069	return iwl_mvm_start_ap_ibss(hw, vif, link_conf);
3070}
3071
3072static int iwl_mvm_start_ibss(struct ieee80211_hw *hw,
3073			      struct ieee80211_vif *vif)
3074{
3075	return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf);
3076}
3077
3078/* Common part for MLD and non-MLD ops */
3079void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm,
3080				 struct ieee80211_vif *vif)
3081{
3082	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3083
3084	lockdep_assert_held(&mvm->mutex);
3085
3086	iwl_mvm_prepare_mac_removal(mvm, vif);
3087
3088	/* Handle AP stop while in CSA */
3089	if (rcu_access_pointer(mvm->csa_vif) == vif) {
3090		iwl_mvm_remove_time_event(mvm, mvmvif,
3091					  &mvmvif->time_event_data);
3092		RCU_INIT_POINTER(mvm->csa_vif, NULL);
3093		mvmvif->csa_countdown = false;
3094	}
3095
3096	if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
3097		RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
3098		mvm->csa_tx_block_bcn_timeout = 0;
3099	}
3100
3101	mvmvif->ap_ibss_active = false;
3102	mvm->ap_last_beacon_gp2 = 0;
3103
3104	if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) {
3105		iwl_mvm_vif_set_low_latency(mvmvif, false,
3106					    LOW_LATENCY_VIF_TYPE);
3107		iwl_mvm_send_low_latency_cmd(mvm, false,  mvmvif->id);
3108	}
3109
3110	iwl_mvm_bt_coex_vif_change(mvm);
3111}
3112
3113static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
3114				 struct ieee80211_vif *vif,
3115				 struct ieee80211_bss_conf *link_conf)
3116{
3117	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3118
3119	guard(mvm)(mvm);
3120
3121	iwl_mvm_stop_ap_ibss_common(mvm, vif);
3122
3123	/* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
3124	if (vif->p2p && mvm->p2p_device_vif)
3125		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
3126
3127	iwl_mvm_update_quotas(mvm, false, NULL);
3128
3129	iwl_mvm_ftm_responder_clear(mvm, vif);
3130
3131	/*
3132	 * This is not very nice, but the simplest:
3133	 * For older FWs removing the mcast sta before the bcast station may
3134	 * cause assert 0x2b00.
3135	 * This is fixed in later FW (which will stop beaconing when removing
3136	 * bcast station).
3137	 * So make the order of removal depend on the TLV
3138	 */
3139	if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE))
3140		iwl_mvm_rm_mcast_sta(mvm, vif);
3141	iwl_mvm_send_rm_bcast_sta(mvm, vif);
3142	if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE))
3143		iwl_mvm_rm_mcast_sta(mvm, vif);
3144	iwl_mvm_binding_remove_vif(mvm, vif);
3145
3146	iwl_mvm_power_update_mac(mvm);
3147
3148	iwl_mvm_mac_ctxt_remove(mvm, vif);
3149}
3150
3151static void iwl_mvm_stop_ap(struct ieee80211_hw *hw,
3152			    struct ieee80211_vif *vif,
3153			    struct ieee80211_bss_conf *link_conf)
3154{
3155	iwl_mvm_stop_ap_ibss(hw, vif, link_conf);
3156}
3157
3158static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw,
3159			      struct ieee80211_vif *vif)
3160{
3161	iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf);
3162}
3163
3164static void
3165iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
3166				 struct ieee80211_vif *vif,
3167				 struct ieee80211_bss_conf *bss_conf,
3168				 u64 changes)
3169{
3170	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3171
3172	/* Changes will be applied when the AP/IBSS is started */
3173	if (!mvmvif->ap_ibss_active)
3174		return;
3175
3176	if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
3177		       BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3178	    iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
3179		IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
3180
3181	/* Need to send a new beacon template to the FW */
3182	if (changes & BSS_CHANGED_BEACON &&
3183	    iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf))
3184		IWL_WARN(mvm, "Failed updating beacon data\n");
3185
3186	if (changes & BSS_CHANGED_FTM_RESPONDER) {
3187		int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf);
3188
3189		if (ret)
3190			IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n",
3191				 ret);
3192	}
3193
3194}
3195
3196static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
3197				     struct ieee80211_vif *vif,
3198				     struct ieee80211_bss_conf *bss_conf,
3199				     u64 changes)
3200{
3201	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3202
3203	guard(mvm)(mvm);
3204
3205	if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle)
3206		iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
3207
3208	switch (vif->type) {
3209	case NL80211_IFTYPE_STATION:
3210		iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
3211		break;
3212	case NL80211_IFTYPE_AP:
3213	case NL80211_IFTYPE_ADHOC:
3214		iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
3215		break;
3216	case NL80211_IFTYPE_MONITOR:
3217		if (changes & BSS_CHANGED_MU_GROUPS)
3218			iwl_mvm_update_mu_groups(mvm, vif);
3219		break;
3220	default:
3221		/* shouldn't happen */
3222		WARN_ON_ONCE(1);
3223	}
3224
3225	if (changes & BSS_CHANGED_TXPOWER) {
3226		IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n",
3227				bss_conf->txpower);
3228		iwl_mvm_set_tx_power(mvm, bss_conf, bss_conf->txpower);
3229	}
3230}
3231
3232int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
3233			struct ieee80211_scan_request *hw_req)
3234{
3235	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3236
3237	if (hw_req->req.n_channels == 0 ||
3238	    hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
3239		return -EINVAL;
3240
3241	guard(mvm)(mvm);
3242	return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
3243}
3244
3245void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
3246				struct ieee80211_vif *vif)
3247{
3248	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3249
3250	guard(mvm)(mvm);
3251
3252	/* Due to a race condition, it's possible that mac80211 asks
3253	 * us to stop a hw_scan when it's already stopped.  This can
3254	 * happen, for instance, if we stopped the scan ourselves,
3255	 * called ieee80211_scan_completed() and the userspace called
3256	 * cancel scan before ieee80211_scan_work() could run.
3257	 * To handle that, simply return if the scan is not running.
3258	*/
3259	if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
3260		iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
3261}
3262
3263void
3264iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3265				  struct ieee80211_sta *sta, u16 tids,
3266				  int num_frames,
3267				  enum ieee80211_frame_release_type reason,
3268				  bool more_data)
3269{
3270	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3271
3272	/* Called when we need to transmit (a) frame(s) from mac80211 */
3273
3274	iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
3275					  tids, more_data, false);
3276}
3277
3278void
3279iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
3280				    struct ieee80211_sta *sta, u16 tids,
3281				    int num_frames,
3282				    enum ieee80211_frame_release_type reason,
3283				    bool more_data)
3284{
3285	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3286
3287	/* Called when we need to transmit (a) frame(s) from agg or dqa queue */
3288
3289	iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
3290					  tids, more_data, true);
3291}
3292
3293static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
3294				     enum sta_notify_cmd cmd,
3295				     struct ieee80211_sta *sta)
3296{
3297	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3298	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3299	unsigned long txqs = 0, tids = 0;
3300	int tid;
3301
3302	/*
3303	 * If we have TVQM then we get too high queue numbers - luckily
3304	 * we really shouldn't get here with that because such hardware
3305	 * should have firmware supporting buffer station offload.
3306	 */
3307	if (WARN_ON(iwl_mvm_has_new_tx_api(mvm)))
3308		return;
3309
3310	spin_lock_bh(&mvmsta->lock);
3311	for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) {
3312		struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
3313
3314		if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE)
3315			continue;
3316
3317		__set_bit(tid_data->txq_id, &txqs);
3318
3319		if (iwl_mvm_tid_queued(mvm, tid_data) == 0)
3320			continue;
3321
3322		__set_bit(tid, &tids);
3323	}
3324
3325	switch (cmd) {
3326	case STA_NOTIFY_SLEEP:
3327		for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
3328			ieee80211_sta_set_buffered(sta, tid, true);
3329
3330		if (txqs)
3331			iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
3332		/*
3333		 * The fw updates the STA to be asleep. Tx packets on the Tx
3334		 * queues to this station will not be transmitted. The fw will
3335		 * send a Tx response with TX_STATUS_FAIL_DEST_PS.
3336		 */
3337		break;
3338	case STA_NOTIFY_AWAKE:
3339		if (WARN_ON(mvmsta->deflink.sta_id == IWL_INVALID_STA))
3340			break;
3341
3342		if (txqs)
3343			iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
3344		iwl_mvm_sta_modify_ps_wake(mvm, sta);
3345		break;
3346	default:
3347		break;
3348	}
3349	spin_unlock_bh(&mvmsta->lock);
3350}
3351
3352void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
3353			    enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
3354{
3355	__iwl_mvm_mac_sta_notify(hw, cmd, sta);
3356}
3357
3358void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
3359{
3360	struct iwl_rx_packet *pkt = rxb_addr(rxb);
3361	struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data;
3362	struct ieee80211_sta *sta;
3363	struct iwl_mvm_sta *mvmsta;
3364	bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE);
3365
3366	if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations))
3367		return;
3368
3369	rcu_read_lock();
3370	sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]);
3371	if (WARN_ON(IS_ERR_OR_NULL(sta))) {
3372		rcu_read_unlock();
3373		return;
3374	}
3375
3376	mvmsta = iwl_mvm_sta_from_mac80211(sta);
3377
3378	if (!mvmsta->vif ||
3379	    mvmsta->vif->type != NL80211_IFTYPE_AP) {
3380		rcu_read_unlock();
3381		return;
3382	}
3383
3384	if (mvmsta->sleeping != sleeping) {
3385		mvmsta->sleeping = sleeping;
3386		__iwl_mvm_mac_sta_notify(mvm->hw,
3387			sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE,
3388			sta);
3389		ieee80211_sta_ps_transition(sta, sleeping);
3390	}
3391
3392	if (sleeping) {
3393		switch (notif->type) {
3394		case IWL_MVM_PM_EVENT_AWAKE:
3395		case IWL_MVM_PM_EVENT_ASLEEP:
3396			break;
3397		case IWL_MVM_PM_EVENT_UAPSD:
3398			ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS);
3399			break;
3400		case IWL_MVM_PM_EVENT_PS_POLL:
3401			ieee80211_sta_pspoll(sta);
3402			break;
3403		default:
3404			break;
3405		}
3406	}
3407
3408	rcu_read_unlock();
3409}
3410
3411void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
3412				struct ieee80211_vif *vif,
3413				struct ieee80211_sta *sta)
3414{
3415	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3416	struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3417	unsigned int link_id;
3418
3419	lockdep_assert_wiphy(mvm->hw->wiphy);
3420
3421	/*
3422	 * This is called before mac80211 does RCU synchronisation,
3423	 * so here we already invalidate our internal RCU-protected
3424	 * station pointer. The rest of the code will thus no longer
3425	 * be able to find the station this way, and we don't rely
3426	 * on further RCU synchronisation after the sta_state()
3427	 * callback deleted the station.
3428	 * Since there's mvm->mutex here, no need to have RCU lock for
3429	 * mvm_sta->link access.
3430	 */
3431	guard(mvm)(mvm);
3432	for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) {
3433		struct iwl_mvm_link_sta *link_sta;
3434		u32 sta_id;
3435
3436		if (!mvm_sta->link[link_id])
3437			continue;
3438
3439		link_sta = rcu_dereference_protected(mvm_sta->link[link_id],
3440						     lockdep_is_held(&mvm->mutex));
3441		sta_id = link_sta->sta_id;
3442		if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) {
3443			RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id],
3444					 ERR_PTR(-ENOENT));
3445			RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL);
3446		}
3447	}
3448}
3449
3450static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
3451				const u8 *bssid)
3452{
3453	int i;
3454
3455	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
3456		struct iwl_mvm_tcm_mac *mdata;
3457
3458		mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id];
3459		ewma_rate_init(&mdata->uapsd_nonagg_detect.rate);
3460		mdata->opened_rx_ba_sessions = false;
3461	}
3462
3463	if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
3464		return;
3465
3466	if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) {
3467		vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
3468		return;
3469	}
3470
3471	if (!vif->p2p &&
3472	    (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) {
3473		vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
3474		return;
3475	}
3476
3477	for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) {
3478		if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) {
3479			vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
3480			return;
3481		}
3482	}
3483
3484	vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
3485}
3486
3487static void
3488iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
3489			   struct ieee80211_vif *vif, u8 *peer_addr,
3490			   enum nl80211_tdls_operation action)
3491{
3492	struct iwl_fw_dbg_trigger_tlv *trig;
3493	struct iwl_fw_dbg_trigger_tdls *tdls_trig;
3494
3495	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
3496				     FW_DBG_TRIGGER_TDLS);
3497	if (!trig)
3498		return;
3499
3500	tdls_trig = (void *)trig->data;
3501
3502	if (!(tdls_trig->action_bitmap & BIT(action)))
3503		return;
3504
3505	if (tdls_trig->peer_mode &&
3506	    memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
3507		return;
3508
3509	iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
3510				"TDLS event occurred, peer %pM, action %d",
3511				peer_addr, action);
3512}
3513
3514struct iwl_mvm_he_obss_narrow_bw_ru_data {
3515	bool tolerated;
3516};
3517
3518static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
3519						    struct cfg80211_bss *bss,
3520						    void *_data)
3521{
3522	struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data;
3523	const struct cfg80211_bss_ies *ies;
3524	const struct element *elem;
3525
3526	rcu_read_lock();
3527	ies = rcu_dereference(bss->ies);
3528	elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data,
3529				  ies->len);
3530
3531	if (!elem || elem->datalen < 10 ||
3532	    !(elem->data[10] &
3533	      WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) {
3534		data->tolerated = false;
3535	}
3536	rcu_read_unlock();
3537}
3538
3539static void
3540iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
3541				   struct ieee80211_vif *vif,
3542				   unsigned int link_id,
3543				   struct ieee80211_bss_conf *link_conf)
3544{
3545	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3546	struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = {
3547		.tolerated = true,
3548	};
3549
3550	if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan ||
3551			 !mvmvif->link[link_id]))
3552		return;
3553
3554	if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) {
3555		mvmvif->link[link_id]->he_ru_2mhz_block = false;
3556		return;
3557	}
3558
3559	cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper,
3560			  iwl_mvm_check_he_obss_narrow_bw_ru_iter,
3561			  &iter_data);
3562
3563	/*
3564	 * If there is at least one AP on radar channel that cannot
3565	 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU.
3566	 */
3567	mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated;
3568}
3569
3570static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm,
3571					       struct ieee80211_vif *vif)
3572{
3573	struct ieee80211_supported_band *sband;
3574	const struct ieee80211_sta_he_cap *he_cap;
3575
3576	if (vif->type != NL80211_IFTYPE_STATION)
3577		return;
3578
3579	if (!mvm->cca_40mhz_workaround)
3580		return;
3581
3582	/* decrement and check that we reached zero */
3583	mvm->cca_40mhz_workaround--;
3584	if (mvm->cca_40mhz_workaround)
3585		return;
3586
3587	sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
3588
3589	sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3590
3591	he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
3592
3593	if (he_cap) {
3594		/* we know that ours is writable */
3595		struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
3596
3597		he->he_cap_elem.phy_cap_info[0] |=
3598			IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
3599	}
3600}
3601
3602static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm,
3603					struct ieee80211_vif *vif,
3604					struct iwl_mvm_sta *mvm_sta)
3605{
3606#if IS_ENABLED(CONFIG_IWLMEI)
3607	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3608	struct iwl_mei_conn_info conn_info = {
3609		.ssid_len = vif->cfg.ssid_len,
3610	};
3611
3612	if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
3613		return;
3614
3615	if (!mvm->mei_registered)
3616		return;
3617
3618	/* FIXME: MEI needs to be updated for MLO */
3619	if (!vif->bss_conf.chanreq.oper.chan)
3620		return;
3621
3622	conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value;
3623
3624	switch (mvm_sta->pairwise_cipher) {
3625	case WLAN_CIPHER_SUITE_TKIP:
3626		conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP;
3627		break;
3628	case WLAN_CIPHER_SUITE_CCMP:
3629		conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP;
3630		break;
3631	case WLAN_CIPHER_SUITE_GCMP:
3632		conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP;
3633		break;
3634	case WLAN_CIPHER_SUITE_GCMP_256:
3635		conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256;
3636		break;
3637	case 0:
3638		/* open profile */
3639		break;
3640	default:
3641		/* cipher not supported, don't send anything to iwlmei */
3642		return;
3643	}
3644
3645	switch (mvmvif->rekey_data.akm) {
3646	case WLAN_AKM_SUITE_SAE & 0xff:
3647		conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE;
3648		break;
3649	case WLAN_AKM_SUITE_PSK & 0xff:
3650		conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK;
3651		break;
3652	case WLAN_AKM_SUITE_8021X & 0xff:
3653		conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA;
3654		break;
3655	case 0:
3656		/* open profile */
3657		conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN;
3658		break;
3659	default:
3660		/* auth method / AKM not supported */
3661		/* TODO: All the FT vesions of these? */
3662		return;
3663	}
3664
3665	memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len);
3666	memcpy(conn_info.bssid,  vif->bss_conf.bssid, ETH_ALEN);
3667
3668	/* TODO: add support for collocated AP data */
3669	iwl_mei_host_associated(&conn_info, NULL);
3670#endif
3671}
3672
3673static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm,
3674					    struct ieee80211_vif *vif,
3675					    bool force_assoc_off)
3676{
3677	return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL);
3678}
3679
3680static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
3681				 struct ieee80211_vif *vif,
3682				 struct ieee80211_sta *sta,
3683				 enum ieee80211_sta_state old_state,
3684				 enum ieee80211_sta_state new_state)
3685{
3686	static const struct iwl_mvm_sta_state_ops callbacks = {
3687		.add_sta = iwl_mvm_add_sta,
3688		.update_sta = iwl_mvm_update_sta,
3689		.rm_sta = iwl_mvm_rm_sta,
3690		.mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper,
3691	};
3692
3693	return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state,
3694					    &callbacks);
3695}
3696
3697/* FIXME: temporary making two assumptions in all sta handling functions:
3698 *	(1) when setting sta state, the link exists and protected
3699 *	(2) if a link is valid in sta then it's valid in vif (can
3700 *	use same index in the link array)
3701 */
3702static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm,
3703					   struct ieee80211_vif *vif,
3704					   struct ieee80211_sta *sta)
3705{
3706	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3707	unsigned int link_id;
3708
3709	for_each_mvm_vif_valid_link(mvmvif, link_id) {
3710		struct ieee80211_bss_conf *conf =
3711			link_conf_dereference_check(vif, link_id);
3712		struct ieee80211_link_sta *link_sta =
3713			link_sta_dereference_check(sta, link_id);
3714
3715		if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt)
3716			continue;
3717
3718		iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta,
3719				     mvmvif->link[link_id]->phy_ctxt->channel->band);
3720	}
3721}
3722
3723static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm,
3724				      struct ieee80211_vif *vif,
3725				      struct ieee80211_sta *sta)
3726{
3727	struct ieee80211_link_sta *link_sta;
3728	unsigned int link_id;
3729
3730	/* Beacon interval check - firmware will crash if the beacon
3731	 * interval is less than 16. We can't avoid connecting at all,
3732	 * so refuse the station state change, this will cause mac80211
3733	 * to abandon attempts to connect to this AP, and eventually
3734	 * wpa_s will blocklist the AP...
3735	 */
3736
3737	for_each_sta_active_link(vif, sta, link_sta, link_id) {
3738		struct ieee80211_bss_conf *link_conf =
3739			link_conf_dereference_protected(vif, link_id);
3740
3741		if (!link_conf)
3742			continue;
3743
3744		if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) {
3745			IWL_ERR(mvm,
3746				"Beacon interval %d for AP %pM is too small\n",
3747				link_conf->beacon_int, link_sta->addr);
3748			return false;
3749		}
3750
3751		link_conf->he_support = link_sta->he_cap.has_he;
3752	}
3753
3754	return true;
3755}
3756
3757static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw,
3758				       struct ieee80211_vif *vif,
3759				       struct ieee80211_sta *sta,
3760				       bool is_sta)
3761{
3762	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3763	struct ieee80211_link_sta *link_sta;
3764	unsigned int link_id;
3765
3766	for_each_sta_active_link(vif, sta, link_sta, link_id) {
3767		struct ieee80211_bss_conf *link_conf =
3768			link_conf_dereference_protected(vif, link_id);
3769
3770		if (!link_conf || !mvmvif->link[link_id])
3771			continue;
3772
3773		link_conf->he_support = link_sta->he_cap.has_he;
3774
3775		if (is_sta) {
3776			mvmvif->link[link_id]->he_ru_2mhz_block = false;
3777			if (link_sta->he_cap.has_he)
3778				iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif,
3779								   link_id,
3780								   link_conf);
3781		}
3782	}
3783}
3784
3785static int
3786iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm,
3787				   struct ieee80211_vif *vif,
3788				   struct ieee80211_sta *sta,
3789				   const struct iwl_mvm_sta_state_ops *callbacks)
3790{
3791	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3792	struct ieee80211_link_sta *link_sta;
3793	unsigned int i;
3794	int ret;
3795
3796	lockdep_assert_held(&mvm->mutex);
3797
3798	if (vif->type == NL80211_IFTYPE_STATION &&
3799	    !iwl_mvm_vif_conf_from_sta(mvm, vif, sta))
3800		return -EINVAL;
3801
3802	if (sta->tdls &&
3803	    (vif->p2p ||
3804	     iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_TDLS_STA_COUNT ||
3805	     iwl_mvm_phy_ctx_count(mvm) > 1)) {
3806		IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
3807		return -EBUSY;
3808	}
3809
3810	ret = callbacks->add_sta(mvm, vif, sta);
3811	if (sta->tdls && ret == 0) {
3812		iwl_mvm_recalc_tdls_state(mvm, vif, true);
3813		iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3814					   NL80211_TDLS_SETUP);
3815	}
3816
3817	if (ret)
3818		return ret;
3819
3820	for_each_sta_active_link(vif, sta, link_sta, i)
3821		link_sta->agg.max_rc_amsdu_len = 1;
3822
3823	ieee80211_sta_recalc_aggregates(sta);
3824
3825	if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
3826		mvmvif->ap_sta = sta;
3827
3828	/*
3829	 * Initialize the rates here already - this really tells
3830	 * the firmware only what the supported legacy rates are
3831	 * (may be) since it's initialized already from what the
3832	 * AP advertised in the beacon/probe response. This will
3833	 * allow the firmware to send auth/assoc frames with one
3834	 * of the supported rates already, rather than having to
3835	 * use a mandatory rate.
3836	 * If we're the AP, we'll just assume mandatory rates at
3837	 * this point, but we know nothing about the STA anyway.
3838	 */
3839	iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3840
3841	return 0;
3842}
3843
3844static int
3845iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw,
3846				struct iwl_mvm *mvm,
3847				struct ieee80211_vif *vif,
3848				struct ieee80211_sta *sta,
3849				const struct iwl_mvm_sta_state_ops *callbacks)
3850{
3851	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3852	struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3853	struct ieee80211_link_sta *link_sta;
3854	unsigned int link_id;
3855
3856	lockdep_assert_held(&mvm->mutex);
3857
3858	if (vif->type == NL80211_IFTYPE_AP) {
3859		iwl_mvm_vif_set_he_support(hw, vif, sta, false);
3860		mvmvif->ap_assoc_sta_count++;
3861		callbacks->mac_ctxt_changed(mvm, vif, false);
3862
3863		/* since the below is not for MLD API, it's ok to use
3864		 * the default bss_conf
3865		 */
3866		if (!mvm->mld_api_is_used &&
3867		    (vif->bss_conf.he_support &&
3868		     !iwlwifi_mod_params.disable_11ax))
3869			iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id);
3870	} else if (vif->type == NL80211_IFTYPE_STATION) {
3871		iwl_mvm_vif_set_he_support(hw, vif, sta, true);
3872
3873		callbacks->mac_ctxt_changed(mvm, vif, false);
3874
3875		if (!mvm->mld_api_is_used)
3876			goto out;
3877
3878		for_each_sta_active_link(vif, sta, link_sta, link_id) {
3879			struct ieee80211_bss_conf *link_conf =
3880				link_conf_dereference_protected(vif, link_id);
3881
3882			if (WARN_ON(!link_conf))
3883				return -EINVAL;
3884			if (!mvmvif->link[link_id])
3885				continue;
3886
3887			iwl_mvm_link_changed(mvm, vif, link_conf,
3888					     LINK_CONTEXT_MODIFY_ALL &
3889					     ~LINK_CONTEXT_MODIFY_ACTIVE,
3890					     true);
3891		}
3892	}
3893
3894out:
3895	iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3896
3897	return callbacks->update_sta(mvm, vif, sta);
3898}
3899
3900static int
3901iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm,
3902				      struct ieee80211_vif *vif,
3903				      struct ieee80211_sta *sta,
3904				      const struct iwl_mvm_sta_state_ops *callbacks)
3905{
3906	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3907	struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3908
3909	lockdep_assert_held(&mvm->mutex);
3910
3911	/* we don't support TDLS during DCM */
3912	if (iwl_mvm_phy_ctx_count(mvm) > 1)
3913		iwl_mvm_teardown_tdls_peers(mvm);
3914
3915	if (sta->tdls) {
3916		iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3917					   NL80211_TDLS_ENABLE_LINK);
3918	} else {
3919		/* enable beacon filtering */
3920		WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif));
3921
3922		mvmvif->authorized = 1;
3923
3924		if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
3925			mvmvif->link_selection_res = vif->active_links;
3926			mvmvif->link_selection_primary =
3927				vif->active_links ? __ffs(vif->active_links) : 0;
3928		}
3929
3930		callbacks->mac_ctxt_changed(mvm, vif, false);
3931		iwl_mvm_mei_host_associated(mvm, vif, mvm_sta);
3932	}
3933
3934	mvm_sta->authorized = true;
3935
3936	/* MFP is set by default before the station is authorized.
3937	 * Clear it here in case it's not used.
3938	 */
3939	if (!sta->mfp) {
3940		int ret = callbacks->update_sta(mvm, vif, sta);
3941
3942		if (ret)
3943			return ret;
3944	}
3945
3946	iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3947
3948	return 0;
3949}
3950
3951static int
3952iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm,
3953				      struct ieee80211_vif *vif,
3954				      struct ieee80211_sta *sta,
3955				      const struct iwl_mvm_sta_state_ops *callbacks)
3956{
3957	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3958	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3959
3960	lockdep_assert_held(&mvm->mutex);
3961
3962	mvmsta->authorized = false;
3963
3964	/* once we move into assoc state, need to update rate scale to
3965	 * disable using wide bandwidth
3966	 */
3967	iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3968
3969	if (!sta->tdls) {
3970		/* Set this but don't call iwl_mvm_mac_ctxt_changed()
3971		 * yet to avoid sending high prio again for a little
3972		 * time.
3973		 */
3974		mvmvif->authorized = 0;
3975		mvmvif->link_selection_res = 0;
3976
3977		/* disable beacon filtering */
3978		iwl_mvm_disable_beacon_filter(mvm, vif);
3979	}
3980
3981	return 0;
3982}
3983
3984void iwl_mvm_smps_workaround(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
3985			     bool update)
3986{
3987	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3988
3989	if (!iwl_mvm_has_rlc_offload(mvm) ||
3990	    iwl_fw_lookup_cmd_ver(mvm->fw, MAC_PM_POWER_TABLE, 0) >= 2)
3991		return;
3992
3993	mvmvif->ps_disabled = !vif->cfg.ps;
3994
3995	if (update)
3996		iwl_mvm_power_update_mac(mvm);
3997}
3998
3999/* Common part for MLD and non-MLD modes */
4000int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw,
4001				 struct ieee80211_vif *vif,
4002				 struct ieee80211_sta *sta,
4003				 enum ieee80211_sta_state old_state,
4004				 enum ieee80211_sta_state new_state,
4005				 const struct iwl_mvm_sta_state_ops *callbacks)
4006{
4007	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4008	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4009	struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
4010	struct ieee80211_link_sta *link_sta;
4011	unsigned int link_id;
4012	int ret;
4013
4014	IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
4015			   sta->addr, old_state, new_state);
4016
4017	/*
4018	 * If we are in a STA removal flow and in DQA mode:
4019	 *
4020	 * This is after the sync_rcu part, so the queues have already been
4021	 * flushed. No more TXs on their way in mac80211's path, and no more in
4022	 * the queues.
4023	 * Also, we won't be getting any new TX frames for this station.
4024	 * What we might have are deferred TX frames that need to be taken care
4025	 * of.
4026	 *
4027	 * Drop any still-queued deferred-frame before removing the STA, and
4028	 * make sure the worker is no longer handling frames for this STA.
4029	 */
4030	if (old_state == IEEE80211_STA_NONE &&
4031	    new_state == IEEE80211_STA_NOTEXIST) {
4032		flush_work(&mvm->add_stream_wk);
4033
4034		/*
4035		 * No need to make sure deferred TX indication is off since the
4036		 * worker will already remove it if it was on
4037		 */
4038
4039		/*
4040		 * Additionally, reset the 40 MHz capability if we disconnected
4041		 * from the AP now.
4042		 */
4043		iwl_mvm_reset_cca_40mhz_workaround(mvm, vif);
4044
4045		/* Also free dup data just in case any assertions below fail */
4046		kfree(mvm_sta->dup_data);
4047	}
4048
4049	mutex_lock(&mvm->mutex);
4050
4051	/* this would be a mac80211 bug ... but don't crash, unless we had a
4052	 * firmware crash while we were activating a link, in which case it is
4053	 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in
4054	 * recovery flow since we spit tons of error messages anyway.
4055	 */
4056	for_each_sta_active_link(vif, sta, link_sta, link_id) {
4057		if (WARN_ON_ONCE(!mvmvif->link[link_id] ||
4058				 !mvmvif->link[link_id]->phy_ctxt)) {
4059			mutex_unlock(&mvm->mutex);
4060			return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
4061					&mvm->status) ? 0 : -EINVAL;
4062		}
4063	}
4064
4065	/* track whether or not the station is associated */
4066	mvm_sta->sta_state = new_state;
4067
4068	if (old_state == IEEE80211_STA_NOTEXIST &&
4069	    new_state == IEEE80211_STA_NONE) {
4070		ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta,
4071							 callbacks);
4072		if (ret < 0)
4073			goto out_unlock;
4074	} else if (old_state == IEEE80211_STA_NONE &&
4075		   new_state == IEEE80211_STA_AUTH) {
4076		/*
4077		 * EBS may be disabled due to previous failures reported by FW.
4078		 * Reset EBS status here assuming environment has been changed.
4079		 */
4080		mvm->last_ebs_successful = true;
4081		iwl_mvm_check_uapsd(mvm, vif, sta->addr);
4082		ret = 0;
4083	} else if (old_state == IEEE80211_STA_AUTH &&
4084		   new_state == IEEE80211_STA_ASSOC) {
4085		ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta,
4086						      callbacks);
4087	} else if (old_state == IEEE80211_STA_ASSOC &&
4088		   new_state == IEEE80211_STA_AUTHORIZED) {
4089		ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta,
4090							    callbacks);
4091		iwl_mvm_smps_workaround(mvm, vif, true);
4092	} else if (old_state == IEEE80211_STA_AUTHORIZED &&
4093		   new_state == IEEE80211_STA_ASSOC) {
4094		ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta,
4095							    callbacks);
4096	} else if (old_state == IEEE80211_STA_ASSOC &&
4097		   new_state == IEEE80211_STA_AUTH) {
4098		if (vif->type == NL80211_IFTYPE_AP) {
4099			mvmvif->ap_assoc_sta_count--;
4100			callbacks->mac_ctxt_changed(mvm, vif, false);
4101		} else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
4102			iwl_mvm_stop_session_protection(mvm, vif);
4103		ret = 0;
4104	} else if (old_state == IEEE80211_STA_AUTH &&
4105		   new_state == IEEE80211_STA_NONE) {
4106		ret = 0;
4107	} else if (old_state == IEEE80211_STA_NONE &&
4108		   new_state == IEEE80211_STA_NOTEXIST) {
4109		if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
4110			iwl_mvm_stop_session_protection(mvm, vif);
4111			mvmvif->ap_sta = NULL;
4112		}
4113		ret = callbacks->rm_sta(mvm, vif, sta);
4114		if (sta->tdls) {
4115			iwl_mvm_recalc_tdls_state(mvm, vif, false);
4116			iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
4117						   NL80211_TDLS_DISABLE_LINK);
4118		}
4119
4120		if (unlikely(ret &&
4121			     test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
4122				      &mvm->status)))
4123			ret = 0;
4124	} else {
4125		ret = -EIO;
4126	}
4127 out_unlock:
4128	mutex_unlock(&mvm->mutex);
4129
4130	if (sta->tdls && ret == 0) {
4131		if (old_state == IEEE80211_STA_NOTEXIST &&
4132		    new_state == IEEE80211_STA_NONE)
4133			ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
4134		else if (old_state == IEEE80211_STA_NONE &&
4135			 new_state == IEEE80211_STA_NOTEXIST)
4136			ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
4137	}
4138
4139	return ret;
4140}
4141
4142int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
4143				  u32 value)
4144{
4145	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4146
4147	mvm->rts_threshold = value;
4148
4149	return 0;
4150}
4151
4152void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4153			   struct ieee80211_link_sta *link_sta, u32 changed)
4154{
4155	struct ieee80211_sta *sta = link_sta->sta;
4156	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4157
4158	if (changed & (IEEE80211_RC_BW_CHANGED |
4159		       IEEE80211_RC_SUPP_RATES_CHANGED |
4160		       IEEE80211_RC_NSS_CHANGED))
4161		iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
4162
4163	if (vif->type == NL80211_IFTYPE_STATION &&
4164	    changed & IEEE80211_RC_NSS_CHANGED)
4165		iwl_mvm_sf_update(mvm, vif, false);
4166}
4167
4168static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
4169			       struct ieee80211_vif *vif,
4170			       unsigned int link_id, u16 ac,
4171			       const struct ieee80211_tx_queue_params *params)
4172{
4173	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4174	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4175
4176	mvmvif->deflink.queue_params[ac] = *params;
4177
4178	/*
4179	 * No need to update right away, we'll get BSS_CHANGED_QOS
4180	 * The exception is P2P_DEVICE interface which needs immediate update.
4181	 */
4182	if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
4183		guard(mvm)(mvm);
4184		return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
4185	}
4186	return 0;
4187}
4188
4189void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
4190				struct ieee80211_vif *vif,
4191				struct ieee80211_prep_tx_info *info)
4192{
4193	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4194	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4195
4196	if (info->was_assoc && !mvmvif->session_prot_connection_loss)
4197		return;
4198
4199	guard(mvm)(mvm);
4200	iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id);
4201}
4202
4203void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw,
4204				 struct ieee80211_vif *vif,
4205				 struct ieee80211_prep_tx_info *info)
4206{
4207	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4208
4209	/* for successful cases (auth/assoc), don't cancel session protection */
4210	if (info->success)
4211		return;
4212
4213	guard(mvm)(mvm);
4214	iwl_mvm_stop_session_protection(mvm, vif);
4215}
4216
4217int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
4218				 struct ieee80211_vif *vif,
4219				 struct cfg80211_sched_scan_request *req,
4220				 struct ieee80211_scan_ies *ies)
4221{
4222	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4223
4224	guard(mvm)(mvm);
4225
4226	if (!vif->cfg.idle)
4227		return -EBUSY;
4228
4229	return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
4230}
4231
4232int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
4233				struct ieee80211_vif *vif)
4234{
4235	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4236	int ret;
4237
4238	mutex_lock(&mvm->mutex);
4239
4240	/* Due to a race condition, it's possible that mac80211 asks
4241	 * us to stop a sched_scan when it's already stopped.  This
4242	 * can happen, for instance, if we stopped the scan ourselves,
4243	 * called ieee80211_sched_scan_stopped() and the userspace called
4244	 * stop sched scan before ieee80211_sched_scan_stopped_work()
4245	 * could run.  To handle this, simply return if the scan is
4246	 * not running.
4247	*/
4248	if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
4249		mutex_unlock(&mvm->mutex);
4250		return 0;
4251	}
4252
4253	ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
4254	mutex_unlock(&mvm->mutex);
4255	iwl_mvm_wait_for_async_handlers(mvm);
4256
4257	return ret;
4258}
4259
4260static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
4261				 enum set_key_cmd cmd,
4262				 struct ieee80211_vif *vif,
4263				 struct ieee80211_sta *sta,
4264				 struct ieee80211_key_conf *key)
4265{
4266	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4267	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4268	struct iwl_mvm_sta *mvmsta = NULL;
4269	struct iwl_mvm_key_pn *ptk_pn = NULL;
4270	int keyidx = key->keyidx;
4271	u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD);
4272	u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0);
4273	int ret, i;
4274	u8 key_offset;
4275
4276	if (sta)
4277		mvmsta = iwl_mvm_sta_from_mac80211(sta);
4278
4279	switch (key->cipher) {
4280	case WLAN_CIPHER_SUITE_TKIP:
4281		if (!mvm->trans->mac_cfg->gen2) {
4282			key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
4283			key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
4284		} else if (vif->type == NL80211_IFTYPE_STATION) {
4285			key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE;
4286		} else {
4287			IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n");
4288			return -EOPNOTSUPP;
4289		}
4290		break;
4291	case WLAN_CIPHER_SUITE_CCMP:
4292	case WLAN_CIPHER_SUITE_GCMP:
4293	case WLAN_CIPHER_SUITE_GCMP_256:
4294		if (!iwl_mvm_has_new_tx_api(mvm))
4295			key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
4296		break;
4297	case WLAN_CIPHER_SUITE_AES_CMAC:
4298	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
4299	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
4300		WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
4301		break;
4302	case WLAN_CIPHER_SUITE_WEP40:
4303	case WLAN_CIPHER_SUITE_WEP104:
4304		if (vif->type == NL80211_IFTYPE_STATION)
4305			break;
4306		if (iwl_mvm_has_new_tx_api(mvm))
4307			return -EOPNOTSUPP;
4308		/* support HW crypto on TX */
4309		return 0;
4310	default:
4311		return -EOPNOTSUPP;
4312	}
4313
4314	switch (cmd) {
4315	case SET_KEY:
4316		if (vif->type == NL80211_IFTYPE_STATION &&
4317		    (keyidx == 6 || keyidx == 7))
4318			rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6],
4319					   key);
4320
4321		if ((vif->type == NL80211_IFTYPE_ADHOC ||
4322		     vif->type == NL80211_IFTYPE_AP) && !sta) {
4323			/*
4324			 * GTK on AP interface is a TX-only key, return 0;
4325			 * on IBSS they're per-station and because we're lazy
4326			 * we don't support them for RX, so do the same.
4327			 * CMAC/GMAC in AP/IBSS modes must be done in software
4328			 * on older NICs.
4329			 *
4330			 * Except, of course, beacon protection - it must be
4331			 * offloaded since we just set a beacon template, and
4332			 * then we must also offload the IGTK (not just BIGTK)
4333			 * for firmware reasons.
4334			 *
4335			 * So just check for beacon protection - if we don't
4336			 * have it we cannot get here with keyidx >= 6, and
4337			 * if we do have it we need to send the key to FW in
4338			 * all cases (CMAC/GMAC).
4339			 */
4340			if (!wiphy_ext_feature_isset(hw->wiphy,
4341						     NL80211_EXT_FEATURE_BEACON_PROTECTION) &&
4342			    (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
4343			     key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
4344			     key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) {
4345				ret = -EOPNOTSUPP;
4346				break;
4347			}
4348
4349			if (key->cipher != WLAN_CIPHER_SUITE_GCMP &&
4350			    key->cipher != WLAN_CIPHER_SUITE_GCMP_256 &&
4351			    !iwl_mvm_has_new_tx_api(mvm)) {
4352				key->hw_key_idx = STA_KEY_IDX_INVALID;
4353				ret = 0;
4354				break;
4355			}
4356
4357			if (!mvmvif->ap_ibss_active) {
4358				for (i = 0;
4359				     i < ARRAY_SIZE(mvmvif->ap_early_keys);
4360				     i++) {
4361					if (!mvmvif->ap_early_keys[i]) {
4362						mvmvif->ap_early_keys[i] = key;
4363						break;
4364					}
4365				}
4366
4367				if (i >= ARRAY_SIZE(mvmvif->ap_early_keys))
4368					ret = -ENOSPC;
4369				else
4370					ret = 0;
4371
4372				break;
4373			}
4374		}
4375
4376		/* During FW restart, in order to restore the state as it was,
4377		 * don't try to reprogram keys we previously failed for.
4378		 */
4379		if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
4380		    key->hw_key_idx == STA_KEY_IDX_INVALID) {
4381			IWL_DEBUG_MAC80211(mvm,
4382					   "skip invalid idx key programming during restart\n");
4383			ret = 0;
4384			break;
4385		}
4386
4387		if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
4388		    mvmsta && iwl_mvm_has_new_rx_api(mvm) &&
4389		    key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
4390		    (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
4391		     key->cipher == WLAN_CIPHER_SUITE_GCMP ||
4392		     key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
4393			struct ieee80211_key_seq seq;
4394			int tid, q;
4395
4396			WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
4397			ptk_pn = kzalloc(struct_size(ptk_pn, q,
4398						     mvm->trans->info.num_rxqs),
4399					 GFP_KERNEL);
4400			if (!ptk_pn) {
4401				ret = -ENOMEM;
4402				break;
4403			}
4404
4405			for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
4406				ieee80211_get_key_rx_seq(key, tid, &seq);
4407				for (q = 0; q < mvm->trans->info.num_rxqs; q++)
4408					memcpy(ptk_pn->q[q].pn[tid],
4409					       seq.ccmp.pn,
4410					       IEEE80211_CCMP_PN_LEN);
4411			}
4412
4413			rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
4414		}
4415
4416		/* in HW restart reuse the index, otherwise request a new one */
4417		if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
4418			key_offset = key->hw_key_idx;
4419		else
4420			key_offset = STA_KEY_IDX_INVALID;
4421
4422		if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4423			mvmsta->pairwise_cipher = key->cipher;
4424
4425		IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n",
4426				   sta ? sta->addr : NULL, key->keyidx);
4427
4428		if (sec_key_ver)
4429			ret = iwl_mvm_sec_key_add(mvm, vif, sta, key);
4430		else
4431			ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
4432
4433		if (ret) {
4434			IWL_WARN(mvm, "set key failed\n");
4435			key->hw_key_idx = STA_KEY_IDX_INVALID;
4436			if (ptk_pn) {
4437				RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
4438				kfree(ptk_pn);
4439			}
4440			/*
4441			 * can't add key for RX, but we don't need it
4442			 * in the device for TX so still return 0,
4443			 * unless we have new TX API where we cannot
4444			 * put key material into the TX_CMD
4445			 */
4446			if (iwl_mvm_has_new_tx_api(mvm))
4447				ret = -EOPNOTSUPP;
4448			else
4449				ret = 0;
4450		}
4451
4452		break;
4453	case DISABLE_KEY:
4454		if (vif->type == NL80211_IFTYPE_STATION &&
4455		    (keyidx == 6 || keyidx == 7))
4456			RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6],
4457					 NULL);
4458
4459		ret = -ENOENT;
4460		for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) {
4461			if (mvmvif->ap_early_keys[i] == key) {
4462				mvmvif->ap_early_keys[i] = NULL;
4463				ret = 0;
4464			}
4465		}
4466
4467		/* found in pending list - don't do anything else */
4468		if (ret == 0)
4469			break;
4470
4471		if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
4472			ret = 0;
4473			break;
4474		}
4475
4476		if (mvmsta && iwl_mvm_has_new_rx_api(mvm) &&
4477		    key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
4478		    (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
4479		     key->cipher == WLAN_CIPHER_SUITE_GCMP ||
4480		     key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
4481			ptk_pn = rcu_dereference_protected(
4482						mvmsta->ptk_pn[keyidx],
4483						lockdep_is_held(&mvm->mutex));
4484			RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
4485			if (ptk_pn)
4486				kfree_rcu(ptk_pn, rcu_head);
4487		}
4488
4489		IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
4490		if (sec_key_ver)
4491			ret = iwl_mvm_sec_key_del(mvm, vif, sta, key);
4492		else
4493			ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
4494		break;
4495	default:
4496		ret = -EINVAL;
4497	}
4498
4499	return ret;
4500}
4501
4502int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
4503			struct ieee80211_vif *vif, struct ieee80211_sta *sta,
4504			struct ieee80211_key_conf *key)
4505{
4506	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4507
4508	/* When resuming from wowlan, FW already knows about the newest keys */
4509	if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))
4510		return 0;
4511
4512	guard(mvm)(mvm);
4513	return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key);
4514}
4515
4516void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
4517				 struct ieee80211_vif *vif,
4518				 struct ieee80211_key_conf *keyconf,
4519				 struct ieee80211_sta *sta,
4520				 u32 iv32, u16 *phase1key)
4521{
4522	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4523
4524	if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
4525		return;
4526
4527	iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
4528}
4529
4530
4531static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
4532			       struct iwl_rx_packet *pkt, void *data)
4533{
4534	struct iwl_mvm *mvm =
4535		container_of(notif_wait, struct iwl_mvm, notif_wait);
4536	struct iwl_hs20_roc_res *resp;
4537	int resp_len = iwl_rx_packet_payload_len(pkt);
4538	struct iwl_mvm_time_event_data *te_data = data;
4539
4540	if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
4541		return true;
4542
4543	if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
4544		IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
4545		return true;
4546	}
4547
4548	resp = (void *)pkt->data;
4549
4550	IWL_DEBUG_TE(mvm,
4551		     "Aux ROC: Received response from ucode: status=%d uid=%d\n",
4552		     resp->status, resp->event_unique_id);
4553
4554	te_data->uid = le32_to_cpu(resp->event_unique_id);
4555	IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
4556		     te_data->uid);
4557
4558	spin_lock_bh(&mvm->time_event_lock);
4559	list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
4560	spin_unlock_bh(&mvm->time_event_lock);
4561
4562	return true;
4563}
4564
4565static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
4566				    struct ieee80211_channel *channel,
4567				    struct ieee80211_vif *vif,
4568				    int duration)
4569{
4570	int res;
4571	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4572	struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
4573	static const u16 time_event_response[] = { HOT_SPOT_CMD };
4574	struct iwl_notification_wait wait_time_event;
4575	u32 req_dur, delay;
4576	struct iwl_hs20_roc_req aux_roc_req = {
4577		.action = cpu_to_le32(FW_CTXT_ACTION_ADD),
4578		.id_and_color =
4579			cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
4580		.sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
4581	};
4582	struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm,
4583		&aux_roc_req.channel_info);
4584	u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm);
4585
4586	/* Set the channel info data */
4587	iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value,
4588			      iwl_mvm_phy_band_from_nl80211(channel->band),
4589			      IWL_PHY_CHANNEL_MODE20,
4590			      0);
4591
4592	/* Set the time and duration */
4593	tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm));
4594
4595	iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay);
4596	tail->duration = cpu_to_le32(req_dur);
4597	tail->apply_time_max_delay = cpu_to_le32(delay);
4598
4599	IWL_DEBUG_TE(mvm,
4600		     "ROC: Requesting to remain on channel %u for %ums\n",
4601		     channel->hw_value, req_dur);
4602	IWL_DEBUG_TE(mvm,
4603		     "\t(requested = %ums, max_delay = %ums)\n",
4604		     duration, delay);
4605
4606	/* Set the node address */
4607	memcpy(tail->node_addr, vif->addr, ETH_ALEN);
4608
4609	lockdep_assert_held(&mvm->mutex);
4610
4611	spin_lock_bh(&mvm->time_event_lock);
4612
4613	if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
4614		spin_unlock_bh(&mvm->time_event_lock);
4615		return -EIO;
4616	}
4617
4618	te_data->vif = vif;
4619	te_data->duration = duration;
4620	te_data->id = HOT_SPOT_CMD;
4621
4622	spin_unlock_bh(&mvm->time_event_lock);
4623
4624	/*
4625	 * Use a notification wait, which really just processes the
4626	 * command response and doesn't wait for anything, in order
4627	 * to be able to process the response and get the UID inside
4628	 * the RX path. Using CMD_WANT_SKB doesn't work because it
4629	 * stores the buffer and then wakes up this thread, by which
4630	 * time another notification (that the time event started)
4631	 * might already be processed unsuccessfully.
4632	 */
4633	iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
4634				   time_event_response,
4635				   ARRAY_SIZE(time_event_response),
4636				   iwl_mvm_rx_aux_roc, te_data);
4637
4638	res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len,
4639				   &aux_roc_req);
4640
4641	if (res) {
4642		IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
4643		iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
4644		goto out_clear_te;
4645	}
4646
4647	/* No need to wait for anything, so just pass 1 (0 isn't valid) */
4648	res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
4649	/* should never fail */
4650	WARN_ON_ONCE(res);
4651
4652	if (res) {
4653 out_clear_te:
4654		spin_lock_bh(&mvm->time_event_lock);
4655		iwl_mvm_te_clear_data(mvm, te_data);
4656		spin_unlock_bh(&mvm->time_event_lock);
4657	}
4658
4659	return res;
4660}
4661
4662static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id)
4663{
4664	int ret = 0;
4665
4666	lockdep_assert_held(&mvm->mutex);
4667
4668	if (!fw_has_capa(&mvm->fw->ucode_capa,
4669			 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
4670		IWL_ERR(mvm, "hotspot not supported\n");
4671		return -EINVAL;
4672	}
4673
4674	if (iwl_mvm_has_new_station_api(mvm->fw)) {
4675		ret = iwl_mvm_add_aux_sta(mvm, lmac_id);
4676		WARN(ret, "Failed to allocate aux station");
4677	}
4678
4679	return ret;
4680}
4681
4682static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
4683{
4684	int ret;
4685
4686	lockdep_assert_held(&mvm->mutex);
4687
4688	ret = iwl_mvm_binding_add_vif(mvm, vif);
4689	if (WARN(ret, "Failed binding P2P_DEVICE\n"))
4690		return ret;
4691
4692	/* The station and queue allocation must be done only after the binding
4693	 * is done, as otherwise the FW might incorrectly configure its state.
4694	 */
4695	return iwl_mvm_add_p2p_bcast_sta(mvm, vif);
4696}
4697
4698static int iwl_mvm_roc(struct ieee80211_hw *hw,
4699		       struct ieee80211_vif *vif,
4700		       struct ieee80211_channel *channel,
4701		       int duration,
4702		       enum ieee80211_roc_type type)
4703{
4704	static const struct iwl_mvm_roc_ops ops = {
4705		.add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20,
4706		.link = iwl_mvm_roc_link,
4707	};
4708
4709	return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops);
4710}
4711
4712static int iwl_mvm_roc_station(struct iwl_mvm *mvm,
4713			       struct ieee80211_channel *channel,
4714			       struct ieee80211_vif *vif,
4715			       int duration)
4716{
4717	int ret;
4718	u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD);
4719	u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
4720					  IWL_FW_CMD_VER_UNKNOWN);
4721
4722	if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) {
4723		ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration);
4724	} else if (fw_ver >= 3) {
4725		ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration,
4726					  ROC_ACTIVITY_HOTSPOT);
4727	} else {
4728		ret = -EOPNOTSUPP;
4729		IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver);
4730	}
4731
4732	return ret;
4733}
4734
4735static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm,
4736			   struct ieee80211_channel *channel,
4737			   struct ieee80211_vif *vif,
4738			   int duration,
4739			   enum ieee80211_roc_type type)
4740{
4741	enum iwl_roc_activity activity;
4742	int ret;
4743
4744	lockdep_assert_held(&mvm->mutex);
4745
4746	switch (type) {
4747	case IEEE80211_ROC_TYPE_NORMAL:
4748		activity = ROC_ACTIVITY_P2P_DISC;
4749		break;
4750	case IEEE80211_ROC_TYPE_MGMT_TX:
4751		activity = ROC_ACTIVITY_P2P_NEG;
4752		break;
4753	default:
4754		WARN_ONCE(1, "Got an invalid P2P ROC type\n");
4755		return -EINVAL;
4756	}
4757
4758	ret = iwl_mvm_mld_add_aux_sta(mvm,
4759				      iwl_mvm_get_lmac_id(mvm, channel->band));
4760	if (ret)
4761		return ret;
4762
4763	return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity);
4764}
4765
4766static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm,
4767				     struct ieee80211_vif *vif,
4768				     struct ieee80211_channel *channel)
4769{
4770	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4771	struct cfg80211_chan_def chandef;
4772	int i;
4773
4774	lockdep_assert_held(&mvm->mutex);
4775
4776	if (mvmvif->deflink.phy_ctxt &&
4777	    channel == mvmvif->deflink.phy_ctxt->channel)
4778		return 0;
4779
4780	/* Try using a PHY context that is already in use */
4781	for (i = 0; i < NUM_PHY_CTX; i++) {
4782		struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i];
4783
4784		if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt)
4785			continue;
4786
4787		if (channel == phy_ctxt->channel) {
4788			if (mvmvif->deflink.phy_ctxt)
4789				iwl_mvm_phy_ctxt_unref(mvm,
4790						       mvmvif->deflink.phy_ctxt);
4791
4792			mvmvif->deflink.phy_ctxt = phy_ctxt;
4793			iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt);
4794			return 0;
4795		}
4796	}
4797
4798	/* We already have a phy_ctxt, but it's not on the right channel */
4799	if (mvmvif->deflink.phy_ctxt)
4800		iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt);
4801
4802	mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
4803	if (!mvmvif->deflink.phy_ctxt)
4804		return -ENOSPC;
4805
4806	cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
4807
4808	return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt,
4809				    &chandef, NULL, 1, 1);
4810}
4811
4812/* Execute the common part for MLD and non-MLD modes */
4813int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4814		       struct ieee80211_channel *channel, int duration,
4815		       enum ieee80211_roc_type type,
4816		       const struct iwl_mvm_roc_ops *ops)
4817{
4818	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4819	u32 lmac_id;
4820	int ret;
4821
4822	IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
4823			   duration, type);
4824
4825	/*
4826	 * Flush the done work, just in case it's still pending, so that
4827	 * the work it does can complete and we can accept new frames.
4828	 */
4829	flush_work(&mvm->roc_done_wk);
4830
4831	guard(mvm)(mvm);
4832
4833	switch (vif->type) {
4834	case NL80211_IFTYPE_STATION:
4835		lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band);
4836
4837		/* Use aux roc framework (HS20) */
4838		ret = ops->add_aux_sta_for_hs20(mvm, lmac_id);
4839		if (!ret)
4840			ret = iwl_mvm_roc_station(mvm, channel, vif, duration);
4841		return ret;
4842	case NL80211_IFTYPE_P2P_DEVICE:
4843		/* handle below */
4844		break;
4845	default:
4846		IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type);
4847		return -EINVAL;
4848	}
4849
4850	if (iwl_mvm_has_p2p_over_aux(mvm)) {
4851		ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type);
4852		return ret;
4853	}
4854
4855	ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel);
4856	if (ret)
4857		return ret;
4858
4859	ret = ops->link(mvm, vif);
4860	if (ret)
4861		return ret;
4862
4863	return iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
4864}
4865
4866int iwl_mvm_cancel_roc(struct ieee80211_hw *hw,
4867		       struct ieee80211_vif *vif)
4868{
4869	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4870
4871	IWL_DEBUG_MAC80211(mvm, "enter\n");
4872
4873	iwl_mvm_stop_roc(mvm, vif);
4874
4875	IWL_DEBUG_MAC80211(mvm, "leave\n");
4876	return 0;
4877}
4878
4879struct iwl_mvm_chanctx_usage_data {
4880	struct iwl_mvm *mvm;
4881	struct ieee80211_chanctx_conf *ctx;
4882	bool use_def;
4883};
4884
4885static void iwl_mvm_chanctx_usage_iter(void *_data, u8 *mac,
4886				       struct ieee80211_vif *vif)
4887{
4888	struct iwl_mvm_chanctx_usage_data *data = _data;
4889	struct ieee80211_bss_conf *link_conf;
4890	int link_id;
4891
4892	for_each_vif_active_link(vif, link_conf, link_id) {
4893		if (rcu_access_pointer(link_conf->chanctx_conf) != data->ctx)
4894			continue;
4895
4896		if (iwl_mvm_enable_fils(data->mvm, vif, data->ctx))
4897			data->use_def = true;
4898
4899		if (vif->type == NL80211_IFTYPE_AP && link_conf->ftmr_params)
4900			data->use_def = true;
4901	}
4902}
4903
4904struct cfg80211_chan_def *
4905iwl_mvm_chanctx_def(struct iwl_mvm *mvm, struct ieee80211_chanctx_conf *ctx)
4906{
4907	struct iwl_mvm_chanctx_usage_data data = {
4908		.mvm = mvm,
4909		.ctx = ctx,
4910		.use_def = false,
4911	};
4912
4913	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
4914						   IEEE80211_IFACE_ITER_NORMAL,
4915						   iwl_mvm_chanctx_usage_iter,
4916						   &data);
4917
4918	return data.use_def ? &ctx->def : &ctx->min_def;
4919}
4920
4921static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
4922				 struct ieee80211_chanctx_conf *ctx)
4923{
4924	u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4925	struct iwl_mvm_phy_ctxt *phy_ctxt;
4926	struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx);
4927	int ret;
4928
4929	lockdep_assert_held(&mvm->mutex);
4930
4931	IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
4932
4933	phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
4934	if (!phy_ctxt) {
4935		ret = -ENOSPC;
4936		goto out;
4937	}
4938
4939	ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap,
4940				   ctx->rx_chains_static,
4941				   ctx->rx_chains_dynamic);
4942	if (ret) {
4943		IWL_ERR(mvm, "Failed to add PHY context\n");
4944		goto out;
4945	}
4946
4947	*phy_ctxt_id = phy_ctxt->id;
4948out:
4949	return ret;
4950}
4951
4952int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
4953			struct ieee80211_chanctx_conf *ctx)
4954{
4955	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4956
4957	guard(mvm)(mvm);
4958	return __iwl_mvm_add_chanctx(mvm, ctx);
4959}
4960
4961static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
4962				     struct ieee80211_chanctx_conf *ctx)
4963{
4964	u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4965	struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
4966
4967	lockdep_assert_held(&mvm->mutex);
4968
4969	iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
4970}
4971
4972void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
4973			    struct ieee80211_chanctx_conf *ctx)
4974{
4975	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4976
4977	guard(mvm)(mvm);
4978	__iwl_mvm_remove_chanctx(mvm, ctx);
4979}
4980
4981void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
4982			    struct ieee80211_chanctx_conf *ctx, u32 changed)
4983{
4984	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4985	u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4986	struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
4987	struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx);
4988
4989	if (WARN_ONCE((phy_ctxt->ref > 1) &&
4990		      (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
4991				   IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
4992				   IEEE80211_CHANCTX_CHANGE_RADAR |
4993				   IEEE80211_CHANCTX_CHANGE_MIN_DEF)),
4994		      "Cannot change PHY. Ref=%d, changed=0x%X\n",
4995		      phy_ctxt->ref, changed))
4996		return;
4997
4998	guard(mvm)(mvm);
4999
5000	/* we are only changing the min_width, may be a noop */
5001	if (changed == IEEE80211_CHANCTX_CHANGE_MIN_DEF) {
5002		if (phy_ctxt->width == def->width)
5003			return;
5004
5005		/* we are just toggling between 20_NOHT and 20 */
5006		if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 &&
5007		    def->width <= NL80211_CHAN_WIDTH_20)
5008			return;
5009	}
5010
5011	iwl_mvm_bt_coex_vif_change(mvm);
5012	iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap,
5013				 ctx->rx_chains_static,
5014				 ctx->rx_chains_dynamic);
5015}
5016
5017/*
5018 * This function executes the common part for MLD and non-MLD modes.
5019 *
5020 * Returns true if we're done assigning the chanctx
5021 * (either on failure or success)
5022 */
5023static bool
5024__iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm,
5025				    struct ieee80211_vif *vif,
5026				    struct ieee80211_chanctx_conf *ctx,
5027				    bool switching_chanctx, int *ret)
5028{
5029	u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
5030	struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
5031	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5032
5033	lockdep_assert_held(&mvm->mutex);
5034
5035	mvmvif->deflink.phy_ctxt = phy_ctxt;
5036
5037	switch (vif->type) {
5038	case NL80211_IFTYPE_AP:
5039		/* only needed if we're switching chanctx (i.e. during CSA) */
5040		if (switching_chanctx) {
5041			mvmvif->ap_ibss_active = true;
5042			break;
5043		}
5044		fallthrough;
5045	case NL80211_IFTYPE_ADHOC:
5046		/*
5047		 * The AP binding flow is handled as part of the start_ap flow
5048		 * (in bss_info_changed), similarly for IBSS.
5049		 */
5050		*ret = 0;
5051		return true;
5052	case NL80211_IFTYPE_STATION:
5053		break;
5054	case NL80211_IFTYPE_MONITOR:
5055		/* always disable PS when a monitor interface is active */
5056		mvmvif->ps_disabled = true;
5057		break;
5058	default:
5059		*ret = -EINVAL;
5060		return true;
5061	}
5062	return false;
5063}
5064
5065static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
5066					struct ieee80211_vif *vif,
5067					struct ieee80211_bss_conf *link_conf,
5068					struct ieee80211_chanctx_conf *ctx,
5069					bool switching_chanctx)
5070{
5071	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5072	int ret;
5073
5074	if (WARN_ON(!link_conf))
5075		return -EINVAL;
5076
5077	if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx,
5078						switching_chanctx, &ret))
5079		goto out;
5080
5081	ret = iwl_mvm_binding_add_vif(mvm, vif);
5082	if (ret)
5083		goto out;
5084
5085	/*
5086	 * Power state must be updated before quotas,
5087	 * otherwise fw will complain.
5088	 */
5089	iwl_mvm_power_update_mac(mvm);
5090
5091	/* Setting the quota at this stage is only required for monitor
5092	 * interfaces. For the other types, the bss_info changed flow
5093	 * will handle quota settings.
5094	 */
5095	if (vif->type == NL80211_IFTYPE_MONITOR) {
5096		mvmvif->monitor_active = true;
5097		ret = iwl_mvm_update_quotas(mvm, false, NULL);
5098		if (ret)
5099			goto out_remove_binding;
5100
5101		ret = iwl_mvm_add_snif_sta(mvm, vif);
5102		if (ret)
5103			goto out_remove_binding;
5104
5105	}
5106
5107	/* Handle binding during CSA */
5108	if (vif->type == NL80211_IFTYPE_AP) {
5109		iwl_mvm_update_quotas(mvm, false, NULL);
5110		iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
5111	}
5112
5113	if (vif->type == NL80211_IFTYPE_STATION) {
5114		if (!switching_chanctx) {
5115			mvmvif->csa_bcn_pending = false;
5116			goto out;
5117		}
5118
5119		mvmvif->csa_bcn_pending = true;
5120
5121		if (!fw_has_capa(&mvm->fw->ucode_capa,
5122				 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
5123			u32 duration = 5 * vif->bss_conf.beacon_int;
5124
5125			/* Protect the session to make sure we hear the first
5126			 * beacon on the new channel.
5127			 */
5128			iwl_mvm_protect_session(mvm, vif, duration, duration,
5129						vif->bss_conf.beacon_int / 2,
5130						true);
5131		}
5132
5133		iwl_mvm_update_quotas(mvm, false, NULL);
5134
5135		iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif,
5136							link_conf,
5137							false);
5138	}
5139
5140	goto out;
5141
5142out_remove_binding:
5143	iwl_mvm_binding_remove_vif(mvm, vif);
5144	iwl_mvm_power_update_mac(mvm);
5145out:
5146	if (ret)
5147		mvmvif->deflink.phy_ctxt = NULL;
5148	return ret;
5149}
5150
5151static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
5152				      struct ieee80211_vif *vif,
5153				      struct ieee80211_bss_conf *link_conf,
5154				      struct ieee80211_chanctx_conf *ctx)
5155{
5156	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5157
5158	guard(mvm)(mvm);
5159	return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false);
5160}
5161
5162/*
5163 * This function executes the common part for MLD and non-MLD modes.
5164 *
5165 * Returns if chanctx unassign chanctx is done
5166 * (either on failure or success)
5167 */
5168static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm,
5169						  struct ieee80211_vif *vif,
5170						  bool switching_chanctx)
5171{
5172	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5173
5174	lockdep_assert_held(&mvm->mutex);
5175	iwl_mvm_remove_time_event(mvm, mvmvif,
5176				  &mvmvif->time_event_data);
5177
5178	switch (vif->type) {
5179	case NL80211_IFTYPE_ADHOC:
5180		return true;
5181	case NL80211_IFTYPE_MONITOR:
5182		mvmvif->monitor_active = false;
5183		mvmvif->ps_disabled = false;
5184		break;
5185	case NL80211_IFTYPE_AP:
5186		/* This part is triggered only during CSA */
5187		if (!switching_chanctx || !mvmvif->ap_ibss_active)
5188			return true;
5189
5190		mvmvif->csa_countdown = false;
5191
5192		/* Set CS bit on all the stations */
5193		iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
5194
5195		/* Save blocked iface, the timeout is set on the next beacon */
5196		rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
5197
5198		mvmvif->ap_ibss_active = false;
5199		break;
5200	default:
5201		break;
5202	}
5203	return false;
5204}
5205
5206static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
5207					   struct ieee80211_vif *vif,
5208					   struct ieee80211_bss_conf *link_conf,
5209					   struct ieee80211_chanctx_conf *ctx,
5210					   bool switching_chanctx)
5211{
5212	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5213	struct ieee80211_vif *disabled_vif = NULL;
5214
5215	if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx))
5216		goto out;
5217
5218	if (vif->type == NL80211_IFTYPE_MONITOR)
5219		iwl_mvm_rm_snif_sta(mvm, vif);
5220
5221
5222	if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) {
5223		disabled_vif = vif;
5224		if (!fw_has_capa(&mvm->fw->ucode_capa,
5225				 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
5226			iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
5227	}
5228
5229	iwl_mvm_update_quotas(mvm, false, disabled_vif);
5230	iwl_mvm_binding_remove_vif(mvm, vif);
5231
5232out:
5233	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) &&
5234	    switching_chanctx)
5235		return;
5236	mvmvif->deflink.phy_ctxt = NULL;
5237	iwl_mvm_power_update_mac(mvm);
5238}
5239
5240static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
5241					 struct ieee80211_vif *vif,
5242					 struct ieee80211_bss_conf *link_conf,
5243					 struct ieee80211_chanctx_conf *ctx)
5244{
5245	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5246
5247	guard(mvm)(mvm);
5248	__iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false);
5249}
5250
5251static int
5252iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
5253				struct ieee80211_vif_chanctx_switch *vifs,
5254				const struct iwl_mvm_switch_vif_chanctx_ops *ops)
5255{
5256	int ret;
5257
5258	guard(mvm)(mvm);
5259	ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5260				    vifs[0].old_ctx, true);
5261	__iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
5262
5263	ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
5264	if (ret) {
5265		IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
5266		goto out_reassign;
5267	}
5268
5269	ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5270					vifs[0].new_ctx, true);
5271	if (ret) {
5272		IWL_ERR(mvm,
5273			"failed to assign new_ctx during channel switch\n");
5274		goto out_remove;
5275	}
5276
5277	/* we don't support TDLS during DCM - can be caused by channel switch */
5278	if (iwl_mvm_phy_ctx_count(mvm) > 1)
5279		iwl_mvm_teardown_tdls_peers(mvm);
5280
5281	return 0;
5282
5283out_remove:
5284	__iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
5285
5286out_reassign:
5287	if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
5288		IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
5289		goto out_restart;
5290	}
5291
5292	if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5293				      vifs[0].old_ctx, true)) {
5294		IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
5295		goto out_restart;
5296	}
5297
5298	return ret;
5299
5300out_restart:
5301	/* things keep failing, better restart the hw */
5302	iwl_force_nmi(mvm->trans);
5303	return ret;
5304}
5305
5306static int
5307iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
5308				    struct ieee80211_vif_chanctx_switch *vifs,
5309				    const struct iwl_mvm_switch_vif_chanctx_ops *ops)
5310{
5311	int ret;
5312
5313	guard(mvm)(mvm);
5314	ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5315				    vifs[0].old_ctx, true);
5316
5317	ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5318					vifs[0].new_ctx, true);
5319	if (ret) {
5320		IWL_ERR(mvm,
5321			"failed to assign new_ctx during channel switch\n");
5322		goto out_reassign;
5323	}
5324
5325	return 0;
5326
5327out_reassign:
5328	if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5329				      vifs[0].old_ctx, true)) {
5330		IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
5331		goto out_restart;
5332	}
5333
5334	return ret;
5335
5336out_restart:
5337	/* things keep failing, better restart the hw */
5338	iwl_force_nmi(mvm->trans);
5339	return ret;
5340}
5341
5342/* Execute the common part for both MLD and non-MLD modes */
5343int
5344iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw,
5345				  struct ieee80211_vif_chanctx_switch *vifs,
5346				  int n_vifs,
5347				  enum ieee80211_chanctx_switch_mode mode,
5348				  const struct iwl_mvm_switch_vif_chanctx_ops *ops)
5349{
5350	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5351	int ret;
5352
5353	/* we only support a single-vif right now */
5354	if (n_vifs > 1)
5355		return -EOPNOTSUPP;
5356
5357	switch (mode) {
5358	case CHANCTX_SWMODE_SWAP_CONTEXTS:
5359		ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops);
5360		break;
5361	case CHANCTX_SWMODE_REASSIGN_VIF:
5362		ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops);
5363		break;
5364	default:
5365		ret = -EOPNOTSUPP;
5366		break;
5367	}
5368
5369	return ret;
5370}
5371
5372static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
5373				      struct ieee80211_vif_chanctx_switch *vifs,
5374				      int n_vifs,
5375				      enum ieee80211_chanctx_switch_mode mode)
5376{
5377	static const struct iwl_mvm_switch_vif_chanctx_ops ops = {
5378		.__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx,
5379		.__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx,
5380	};
5381
5382	return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops);
5383}
5384
5385int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw)
5386{
5387	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5388
5389	return mvm->ibss_manager;
5390}
5391
5392static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
5393			   bool set)
5394{
5395	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5396	struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
5397
5398	if (!mvm_sta || !mvm_sta->vif) {
5399		IWL_ERR(mvm, "Station is not associated to a vif\n");
5400		return -EINVAL;
5401	}
5402
5403	return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif,
5404					       &mvm_sta->vif->bss_conf);
5405}
5406
5407void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5408			    struct ieee80211_channel_switch *chsw)
5409{
5410	/* By implementing this operation, we prevent mac80211 from
5411	 * starting its own channel switch timer, so that we can call
5412	 * ieee80211_chswitch_done() ourselves at the right time
5413	 * (which is when the absence time event starts).
5414	 */
5415
5416	IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
5417			   "dummy channel switch op\n");
5418}
5419
5420static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm,
5421				       struct ieee80211_vif *vif,
5422				       struct ieee80211_channel_switch *chsw)
5423{
5424	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5425	struct iwl_chan_switch_te_cmd cmd = {
5426		.mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
5427							  mvmvif->color)),
5428		.action = cpu_to_le32(FW_CTXT_ACTION_ADD),
5429		.tsf = cpu_to_le32(chsw->timestamp),
5430		.cs_count = chsw->count,
5431		.cs_mode = chsw->block_tx,
5432	};
5433
5434	lockdep_assert_held(&mvm->mutex);
5435
5436	if (chsw->delay)
5437		cmd.cs_delayed_bcn_count =
5438			DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int);
5439
5440	return iwl_mvm_send_cmd_pdu(mvm,
5441				    WIDE_ID(MAC_CONF_GROUP,
5442					    CHANNEL_SWITCH_TIME_EVENT_CMD),
5443				    0, sizeof(cmd), &cmd);
5444}
5445
5446static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm,
5447				       struct ieee80211_vif *vif,
5448				       struct ieee80211_channel_switch *chsw)
5449{
5450	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5451	u32 apply_time;
5452
5453	/* Schedule the time event to a bit before beacon 1,
5454	 * to make sure we're in the new channel when the
5455	 * GO/AP arrives. In case count <= 1 immediately schedule the
5456	 * TE (this might result with some packet loss or connection
5457	 * loss).
5458	 */
5459	if (chsw->count <= 1)
5460		apply_time = 0;
5461	else
5462		apply_time = chsw->device_timestamp +
5463			((vif->bss_conf.beacon_int * (chsw->count - 1) -
5464			  IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
5465
5466	if (chsw->block_tx)
5467		iwl_mvm_csa_client_absent(mvm, vif);
5468
5469	if (mvmvif->bf_enabled) {
5470		int ret = iwl_mvm_disable_beacon_filter(mvm, vif);
5471
5472		if (ret)
5473			return ret;
5474	}
5475
5476	iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
5477				    apply_time);
5478
5479	return 0;
5480}
5481
5482static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta)
5483{
5484	int i;
5485
5486	for (i = 0; i < ARRAY_SIZE(sta->txq); i++) {
5487		struct iwl_mvm_txq *mvmtxq =
5488			iwl_mvm_txq_from_mac80211(sta->txq[i]);
5489
5490		set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state);
5491	}
5492}
5493
5494#define IWL_MAX_CSA_BLOCK_TX 1500
5495static int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm,
5496				      struct ieee80211_vif *vif,
5497				      struct ieee80211_channel_switch *chsw)
5498{
5499	struct ieee80211_vif *csa_vif;
5500	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5501	struct iwl_mvm_txq *mvmtxq;
5502	int ret;
5503
5504	lockdep_assert_held(&mvm->mutex);
5505
5506	mvmvif->csa_failed = false;
5507	mvmvif->csa_blocks_tx = false;
5508
5509	IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
5510			   chsw->chandef.center_freq1);
5511
5512	iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt,
5513				       ieee80211_vif_to_wdev(vif),
5514				       FW_DBG_TRIGGER_CHANNEL_SWITCH);
5515
5516	switch (vif->type) {
5517	case NL80211_IFTYPE_AP:
5518		csa_vif =
5519			rcu_dereference_protected(mvm->csa_vif,
5520						  lockdep_is_held(&mvm->mutex));
5521		if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active,
5522			      "Another CSA is already in progress"))
5523			return -EBUSY;
5524
5525		/* we still didn't unblock tx. prevent new CS meanwhile */
5526		if (rcu_dereference_protected(mvm->csa_tx_blocked_vif,
5527					      lockdep_is_held(&mvm->mutex)))
5528			return -EBUSY;
5529
5530		rcu_assign_pointer(mvm->csa_vif, vif);
5531
5532		if (WARN_ONCE(mvmvif->csa_countdown,
5533			      "Previous CSA countdown didn't complete"))
5534			return -EBUSY;
5535
5536		mvmvif->csa_target_freq = chsw->chandef.chan->center_freq;
5537
5538		if (!chsw->block_tx)
5539			break;
5540		/* don't need blocking in driver otherwise - mac80211 will do */
5541		if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA))
5542			break;
5543
5544		mvmvif->csa_blocks_tx = true;
5545		mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq);
5546		set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state);
5547		ieee80211_iterate_stations_atomic(mvm->hw,
5548						  iwl_mvm_csa_block_txqs,
5549						  NULL);
5550		break;
5551	case NL80211_IFTYPE_STATION:
5552		mvmvif->csa_blocks_tx = chsw->block_tx;
5553
5554		/*
5555		 * In the new flow FW is in charge of timing the switch so there
5556		 * is no need for all of this
5557		 */
5558		if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
5559					    CHANNEL_SWITCH_ERROR_NOTIF,
5560					    0))
5561			break;
5562
5563		/*
5564		 * We haven't configured the firmware to be associated yet since
5565		 * we don't know the dtim period. In this case, the firmware can't
5566		 * track the beacons.
5567		 */
5568		if (!vif->cfg.assoc || !vif->bss_conf.dtim_period)
5569			return -EBUSY;
5570
5571		if (chsw->delay > IWL_MAX_CSA_BLOCK_TX &&
5572		    hweight16(vif->valid_links) <= 1)
5573			schedule_delayed_work(&mvmvif->csa_work, 0);
5574
5575		if (chsw->block_tx) {
5576			/*
5577			 * In case of undetermined / long time with immediate
5578			 * quiet monitor status to gracefully disconnect
5579			 */
5580			if (!chsw->count ||
5581			    chsw->count * vif->bss_conf.beacon_int >
5582			    IWL_MAX_CSA_BLOCK_TX)
5583				schedule_delayed_work(&mvmvif->csa_work,
5584						      msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX));
5585		}
5586
5587		if (!fw_has_capa(&mvm->fw->ucode_capa,
5588				 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
5589			ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw);
5590			if (ret)
5591				return ret;
5592		} else {
5593			iwl_mvm_schedule_client_csa(mvm, vif, chsw);
5594		}
5595
5596		mvmvif->csa_count = chsw->count;
5597		mvmvif->csa_misbehave = false;
5598		break;
5599	default:
5600		break;
5601	}
5602
5603	mvmvif->ps_disabled = true;
5604
5605	ret = iwl_mvm_power_update_ps(mvm);
5606	if (ret)
5607		return ret;
5608
5609	/* we won't be on this channel any longer */
5610	iwl_mvm_teardown_tdls_peers(mvm);
5611
5612	return ret;
5613}
5614
5615int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw,
5616				   struct ieee80211_vif *vif,
5617				   struct ieee80211_channel_switch *chsw)
5618{
5619	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5620
5621	guard(mvm)(mvm);
5622	return iwl_mvm_pre_channel_switch(mvm, vif, chsw);
5623}
5624
5625void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw,
5626				      struct ieee80211_vif *vif,
5627				      struct ieee80211_channel_switch *chsw)
5628{
5629	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5630	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5631	struct iwl_chan_switch_te_cmd cmd = {
5632		.mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
5633							  mvmvif->color)),
5634		.action = cpu_to_le32(FW_CTXT_ACTION_MODIFY),
5635		.tsf = cpu_to_le32(chsw->timestamp),
5636		.cs_count = chsw->count,
5637		.cs_mode = chsw->block_tx,
5638	};
5639
5640	/*
5641	 * In the new flow FW is in charge of timing the switch so there is no
5642	 * need for all of this
5643	 */
5644	if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
5645				    CHANNEL_SWITCH_ERROR_NOTIF, 0))
5646		return;
5647
5648	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY))
5649		return;
5650
5651	IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n",
5652			   mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx);
5653
5654	if (chsw->count >= mvmvif->csa_count && chsw->block_tx) {
5655		if (mvmvif->csa_misbehave) {
5656			struct ieee80211_bss_conf *link_conf;
5657
5658			/* Second time, give up on this AP*/
5659
5660			link_conf = wiphy_dereference(hw->wiphy,
5661						      vif->link_conf[chsw->link_id]);
5662			if (WARN_ON(!link_conf))
5663				return;
5664
5665			iwl_mvm_abort_channel_switch(hw, vif, link_conf);
5666			ieee80211_chswitch_done(vif, false, 0);
5667			mvmvif->csa_misbehave = false;
5668			return;
5669		}
5670		mvmvif->csa_misbehave = true;
5671	}
5672	mvmvif->csa_count = chsw->count;
5673
5674	guard(mvm)(mvm);
5675	if (mvmvif->csa_failed)
5676		return;
5677
5678	WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
5679				     WIDE_ID(MAC_CONF_GROUP,
5680					     CHANNEL_SWITCH_TIME_EVENT_CMD),
5681				     0, sizeof(cmd), &cmd));
5682}
5683
5684static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop)
5685{
5686	int i;
5687
5688	if (!iwl_mvm_has_new_tx_api(mvm)) {
5689		/* we can't ask the firmware anything if it is dead */
5690		if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
5691			     &mvm->status))
5692			return;
5693		if (drop) {
5694			guard(mvm)(mvm);
5695			iwl_mvm_flush_tx_path(mvm,
5696				iwl_mvm_flushable_queues(mvm) & queues);
5697		} else {
5698			iwl_trans_wait_tx_queues_empty(mvm->trans, queues);
5699		}
5700		return;
5701	}
5702
5703	guard(mvm)(mvm);
5704	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
5705		struct ieee80211_sta *sta;
5706
5707		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
5708						lockdep_is_held(&mvm->mutex));
5709		if (IS_ERR_OR_NULL(sta))
5710			continue;
5711
5712		if (drop)
5713			iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF);
5714		else
5715			iwl_mvm_wait_sta_queues_empty(mvm,
5716					iwl_mvm_sta_from_mac80211(sta));
5717	}
5718}
5719
5720void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5721		       u32 queues, bool drop)
5722{
5723	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5724	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5725	struct iwl_mvm_sta *mvmsta;
5726	struct ieee80211_sta *sta;
5727	bool ap_sta_done = false;
5728	int i;
5729	u32 msk = 0;
5730
5731	if (!vif) {
5732		iwl_mvm_flush_no_vif(mvm, queues, drop);
5733		return;
5734	}
5735
5736	if (!drop && hweight16(vif->active_links) <= 1) {
5737		int link_id = vif->active_links ? __ffs(vif->active_links) : 0;
5738		struct ieee80211_bss_conf *link_conf;
5739
5740		link_conf = wiphy_dereference(hw->wiphy,
5741					      vif->link_conf[link_id]);
5742		if (WARN_ON(!link_conf))
5743			return;
5744		if (link_conf->csa_active && mvmvif->csa_blocks_tx)
5745			drop = true;
5746	}
5747
5748	/* Make sure we're done with the deferred traffic before flushing */
5749	flush_work(&mvm->add_stream_wk);
5750
5751	mutex_lock(&mvm->mutex);
5752
5753	/* flush the AP-station and all TDLS peers */
5754	for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
5755		sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
5756						lockdep_is_held(&mvm->mutex));
5757		if (IS_ERR_OR_NULL(sta))
5758			continue;
5759
5760		mvmsta = iwl_mvm_sta_from_mac80211(sta);
5761		if (mvmsta->vif != vif)
5762			continue;
5763
5764		if (sta == mvmvif->ap_sta) {
5765			if (ap_sta_done)
5766				continue;
5767			ap_sta_done = true;
5768		}
5769
5770		if (drop) {
5771			if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id,
5772					      mvmsta->tfd_queue_msk))
5773				IWL_ERR(mvm, "flush request fail\n");
5774		} else {
5775			if (iwl_mvm_has_new_tx_api(mvm))
5776				iwl_mvm_wait_sta_queues_empty(mvm, mvmsta);
5777			else /* only used for !iwl_mvm_has_new_tx_api() below */
5778				msk |= mvmsta->tfd_queue_msk;
5779		}
5780	}
5781
5782	mutex_unlock(&mvm->mutex);
5783
5784	/* this can take a while, and we may need/want other operations
5785	 * to succeed while doing this, so do it without the mutex held
5786	 * If the firmware is dead, this can't work...
5787	 */
5788	if (!drop && !iwl_mvm_has_new_tx_api(mvm) &&
5789	    !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
5790		      &mvm->status))
5791		iwl_trans_wait_tx_queues_empty(mvm->trans, msk);
5792}
5793
5794void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5795			   struct ieee80211_sta *sta)
5796{
5797	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
5798	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5799	struct iwl_mvm_link_sta *mvm_link_sta;
5800	struct ieee80211_link_sta *link_sta;
5801	int link_id;
5802
5803	guard(mvm)(mvm);
5804	for_each_sta_active_link(vif, sta, link_sta, link_id) {
5805		mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id],
5806							 lockdep_is_held(&mvm->mutex));
5807		if (!mvm_link_sta)
5808			continue;
5809
5810		if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id,
5811				      mvmsta->tfd_queue_msk))
5812			IWL_ERR(mvm, "flush request fail\n");
5813	}
5814}
5815
5816static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx,
5817				      struct survey_info *survey)
5818{
5819	int chan_idx;
5820	enum nl80211_band band;
5821	int ret;
5822
5823	mutex_lock(&mvm->mutex);
5824
5825	if (!mvm->acs_survey) {
5826		ret = -ENOENT;
5827		goto out;
5828	}
5829
5830	/* Find and return the next entry that has a non-zero active time */
5831	for (band = 0; band < NUM_NL80211_BANDS; band++) {
5832		struct ieee80211_supported_band *sband =
5833			mvm->hw->wiphy->bands[band];
5834
5835		if (!sband)
5836			continue;
5837
5838		for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) {
5839			struct iwl_mvm_acs_survey_channel *info =
5840				&mvm->acs_survey->bands[band][chan_idx];
5841
5842			if (!info->time)
5843				continue;
5844
5845			/* Found (the next) channel to report */
5846			survey->channel = &sband->channels[chan_idx];
5847			survey->filled = SURVEY_INFO_TIME |
5848					 SURVEY_INFO_TIME_BUSY |
5849					 SURVEY_INFO_TIME_RX |
5850					 SURVEY_INFO_TIME_TX;
5851			survey->time = info->time;
5852			survey->time_busy = info->time_busy;
5853			survey->time_rx = info->time_rx;
5854			survey->time_tx = info->time_tx;
5855			survey->noise = info->noise;
5856			if (survey->noise < 0)
5857				survey->filled |= SURVEY_INFO_NOISE_DBM;
5858
5859			/* Clear time so that channel is only reported once */
5860			info->time = 0;
5861
5862			ret = 0;
5863			goto out;
5864		}
5865	}
5866
5867	ret = -ENOENT;
5868
5869out:
5870	mutex_unlock(&mvm->mutex);
5871
5872	return ret;
5873}
5874
5875int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
5876			   struct survey_info *survey)
5877{
5878	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5879	u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
5880					   WIDE_ID(SYSTEM_GROUP,
5881						   SYSTEM_STATISTICS_CMD),
5882					   IWL_FW_CMD_VER_UNKNOWN);
5883
5884	memset(survey, 0, sizeof(*survey));
5885
5886	if (!fw_has_capa(&mvm->fw->ucode_capa,
5887			 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
5888		return -ENOENT;
5889
5890	/*
5891	 * Return the beacon stats at index zero and pass on following indices
5892	 * to the function returning the full survey, most likely for ACS
5893	 * (Automatic Channel Selection).
5894	 */
5895	if (idx > 0)
5896		return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey);
5897
5898	guard(mvm)(mvm);
5899
5900	if (iwl_mvm_firmware_running(mvm)) {
5901		int ret = iwl_mvm_request_statistics(mvm, false);
5902
5903		if (ret)
5904			return ret;
5905	}
5906
5907	survey->filled = SURVEY_INFO_TIME_RX |
5908			 SURVEY_INFO_TIME_TX;
5909
5910	survey->time_rx = mvm->accu_radio_stats.rx_time +
5911			  mvm->radio_stats.rx_time;
5912	do_div(survey->time_rx, USEC_PER_MSEC);
5913
5914	survey->time_tx = mvm->accu_radio_stats.tx_time +
5915			  mvm->radio_stats.tx_time;
5916	do_div(survey->time_tx, USEC_PER_MSEC);
5917
5918	/* the new fw api doesn't support the following fields */
5919	if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
5920		return 0;
5921
5922	survey->filled |= SURVEY_INFO_TIME |
5923			  SURVEY_INFO_TIME_SCAN;
5924	survey->time = mvm->accu_radio_stats.on_time_rf +
5925		       mvm->radio_stats.on_time_rf;
5926	do_div(survey->time, USEC_PER_MSEC);
5927
5928	survey->time_scan = mvm->accu_radio_stats.on_time_scan +
5929			    mvm->radio_stats.on_time_scan;
5930	do_div(survey->time_scan, USEC_PER_MSEC);
5931
5932	return 0;
5933}
5934
5935static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
5936{
5937	u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
5938	u32 gi_ltf;
5939
5940	switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
5941	case RATE_MCS_CHAN_WIDTH_20:
5942		rinfo->bw = RATE_INFO_BW_20;
5943		break;
5944	case RATE_MCS_CHAN_WIDTH_40:
5945		rinfo->bw = RATE_INFO_BW_40;
5946		break;
5947	case RATE_MCS_CHAN_WIDTH_80:
5948		rinfo->bw = RATE_INFO_BW_80;
5949		break;
5950	case RATE_MCS_CHAN_WIDTH_160:
5951		rinfo->bw = RATE_INFO_BW_160;
5952		break;
5953	case RATE_MCS_CHAN_WIDTH_320:
5954		rinfo->bw = RATE_INFO_BW_320;
5955		break;
5956	}
5957
5958	if (format == RATE_MCS_MOD_TYPE_CCK ||
5959	    format == RATE_MCS_MOD_TYPE_LEGACY_OFDM) {
5960		int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK);
5961
5962		/* add the offset needed to get to the legacy ofdm indices */
5963		if (format == RATE_MCS_MOD_TYPE_LEGACY_OFDM)
5964			rate += IWL_FIRST_OFDM_RATE;
5965
5966		switch (rate) {
5967		case IWL_RATE_1M_INDEX:
5968			rinfo->legacy = 10;
5969			break;
5970		case IWL_RATE_2M_INDEX:
5971			rinfo->legacy = 20;
5972			break;
5973		case IWL_RATE_5M_INDEX:
5974			rinfo->legacy = 55;
5975			break;
5976		case IWL_RATE_11M_INDEX:
5977			rinfo->legacy = 110;
5978			break;
5979		case IWL_RATE_6M_INDEX:
5980			rinfo->legacy = 60;
5981			break;
5982		case IWL_RATE_9M_INDEX:
5983			rinfo->legacy = 90;
5984			break;
5985		case IWL_RATE_12M_INDEX:
5986			rinfo->legacy = 120;
5987			break;
5988		case IWL_RATE_18M_INDEX:
5989			rinfo->legacy = 180;
5990			break;
5991		case IWL_RATE_24M_INDEX:
5992			rinfo->legacy = 240;
5993			break;
5994		case IWL_RATE_36M_INDEX:
5995			rinfo->legacy = 360;
5996			break;
5997		case IWL_RATE_48M_INDEX:
5998			rinfo->legacy = 480;
5999			break;
6000		case IWL_RATE_54M_INDEX:
6001			rinfo->legacy = 540;
6002		}
6003		return;
6004	}
6005
6006	rinfo->nss = u32_get_bits(rate_n_flags,
6007				  RATE_MCS_NSS_MSK) + 1;
6008	rinfo->mcs = format == RATE_MCS_MOD_TYPE_HT ?
6009		RATE_HT_MCS_INDEX(rate_n_flags) :
6010		u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK);
6011
6012	if (rate_n_flags & RATE_MCS_SGI_MSK)
6013		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6014
6015	switch (format) {
6016	case RATE_MCS_MOD_TYPE_EHT:
6017		/* TODO: GI/LTF/RU. How does the firmware encode them? */
6018		rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS;
6019		break;
6020	case RATE_MCS_MOD_TYPE_HE:
6021		gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK);
6022
6023		rinfo->flags |= RATE_INFO_FLAGS_HE_MCS;
6024
6025		if (rate_n_flags & RATE_MCS_HE_106T_MSK) {
6026			rinfo->bw = RATE_INFO_BW_HE_RU;
6027			rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
6028		}
6029
6030		switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) {
6031		case RATE_MCS_HE_TYPE_SU:
6032		case RATE_MCS_HE_TYPE_EXT_SU:
6033			if (gi_ltf == 0 || gi_ltf == 1)
6034				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
6035			else if (gi_ltf == 2)
6036				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
6037			else if (gi_ltf == 3)
6038				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
6039			else
6040				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
6041			break;
6042		case RATE_MCS_HE_TYPE_MU:
6043			if (gi_ltf == 0 || gi_ltf == 1)
6044				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
6045			else if (gi_ltf == 2)
6046				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
6047			else
6048				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
6049			break;
6050		case RATE_MCS_HE_TYPE_TRIG:
6051			if (gi_ltf == 0 || gi_ltf == 1)
6052				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
6053			else
6054				rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
6055			break;
6056		}
6057
6058		if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK)
6059			rinfo->he_dcm = 1;
6060		break;
6061	case RATE_MCS_MOD_TYPE_HT:
6062		rinfo->flags |= RATE_INFO_FLAGS_MCS;
6063		break;
6064	case RATE_MCS_MOD_TYPE_VHT:
6065		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
6066		break;
6067	}
6068}
6069
6070void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
6071				struct ieee80211_vif *vif,
6072				struct ieee80211_sta *sta,
6073				struct station_info *sinfo)
6074{
6075	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6076	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
6077	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
6078	int i;
6079
6080	if (mvmsta->deflink.avg_energy) {
6081		sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy;
6082		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
6083	}
6084
6085	if (iwl_mvm_has_tlc_offload(mvm)) {
6086		struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw;
6087
6088		iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate);
6089		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
6090	}
6091
6092	/* if beacon filtering isn't on mac80211 does it anyway */
6093	if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
6094		return;
6095
6096	if (!vif->cfg.assoc)
6097		return;
6098
6099	guard(mvm)(mvm);
6100
6101	if (sta != mvmvif->ap_sta)
6102		return;
6103
6104	if (iwl_mvm_request_statistics(mvm, false))
6105		return;
6106
6107	sinfo->rx_beacon = 0;
6108	for_each_mvm_vif_valid_link(mvmvif, i)
6109		sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons +
6110			mvmvif->link[i]->beacon_stats.accu_num_beacons;
6111
6112	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX);
6113	if (mvmvif->deflink.beacon_stats.avg_signal) {
6114		/* firmware only reports a value after RXing a few beacons */
6115		sinfo->rx_beacon_signal_avg =
6116			mvmvif->deflink.beacon_stats.avg_signal;
6117		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
6118	}
6119}
6120
6121static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm,
6122					    struct ieee80211_vif *vif,
6123					    const  struct ieee80211_mlme_event *mlme)
6124{
6125	if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) &&
6126	    (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) {
6127		iwl_dbg_tlv_time_point(&mvm->fwrt,
6128				       IWL_FW_INI_TIME_POINT_ASSOC_FAILED,
6129				       NULL);
6130		return;
6131	}
6132
6133	if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) {
6134		iwl_dbg_tlv_time_point(&mvm->fwrt,
6135				       IWL_FW_INI_TIME_POINT_DEASSOC,
6136				       NULL);
6137		return;
6138	}
6139}
6140
6141static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
6142					struct ieee80211_vif *vif,
6143					const struct ieee80211_event *event)
6144{
6145#define CHECK_MLME_TRIGGER(_cnt, _fmt...)				\
6146	do {								\
6147		if ((trig_mlme->_cnt) && --(trig_mlme->_cnt))		\
6148			break;						\
6149		iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt);	\
6150	} while (0)
6151
6152	struct iwl_fw_dbg_trigger_tlv *trig;
6153	struct iwl_fw_dbg_trigger_mlme *trig_mlme;
6154
6155	if (iwl_trans_dbg_ini_valid(mvm->trans)) {
6156		iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme);
6157		return;
6158	}
6159
6160	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
6161				     FW_DBG_TRIGGER_MLME);
6162	if (!trig)
6163		return;
6164
6165	trig_mlme = (void *)trig->data;
6166
6167	if (event->u.mlme.data == ASSOC_EVENT) {
6168		if (event->u.mlme.status == MLME_DENIED)
6169			CHECK_MLME_TRIGGER(stop_assoc_denied,
6170					   "DENIED ASSOC: reason %d",
6171					    event->u.mlme.reason);
6172		else if (event->u.mlme.status == MLME_TIMEOUT)
6173			CHECK_MLME_TRIGGER(stop_assoc_timeout,
6174					   "ASSOC TIMEOUT");
6175	} else if (event->u.mlme.data == AUTH_EVENT) {
6176		if (event->u.mlme.status == MLME_DENIED)
6177			CHECK_MLME_TRIGGER(stop_auth_denied,
6178					   "DENIED AUTH: reason %d",
6179					   event->u.mlme.reason);
6180		else if (event->u.mlme.status == MLME_TIMEOUT)
6181			CHECK_MLME_TRIGGER(stop_auth_timeout,
6182					   "AUTH TIMEOUT");
6183	} else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
6184		CHECK_MLME_TRIGGER(stop_rx_deauth,
6185				   "DEAUTH RX %d", event->u.mlme.reason);
6186	} else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
6187		CHECK_MLME_TRIGGER(stop_tx_deauth,
6188				   "DEAUTH TX %d", event->u.mlme.reason);
6189	}
6190#undef CHECK_MLME_TRIGGER
6191}
6192
6193static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
6194					  struct ieee80211_vif *vif,
6195					  const struct ieee80211_event *event)
6196{
6197	struct iwl_fw_dbg_trigger_tlv *trig;
6198	struct iwl_fw_dbg_trigger_ba *ba_trig;
6199
6200	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
6201				     FW_DBG_TRIGGER_BA);
6202	if (!trig)
6203		return;
6204
6205	ba_trig = (void *)trig->data;
6206
6207	if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
6208		return;
6209
6210	iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
6211				"BAR received from %pM, tid %d, ssn %d",
6212				event->u.ba.sta->addr, event->u.ba.tid,
6213				event->u.ba.ssn);
6214}
6215
6216void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
6217				struct ieee80211_vif *vif,
6218				const struct ieee80211_event *event)
6219{
6220	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6221
6222	switch (event->type) {
6223	case MLME_EVENT:
6224		iwl_mvm_event_mlme_callback(mvm, vif, event);
6225		break;
6226	case BAR_RX_EVENT:
6227		iwl_mvm_event_bar_rx_callback(mvm, vif, event);
6228		break;
6229	case BA_FRAME_TIMEOUT:
6230		iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta,
6231						     event->u.ba.tid);
6232		break;
6233	default:
6234		break;
6235	}
6236}
6237
6238#define SYNC_RX_QUEUE_TIMEOUT (HZ)
6239void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
6240				     enum iwl_mvm_rxq_notif_type type,
6241				     bool sync,
6242				     const void *data, u32 size)
6243{
6244	DEFINE_RAW_FLEX(struct iwl_rxq_sync_cmd, cmd, payload,
6245			sizeof(struct iwl_mvm_internal_rxq_notif));
6246	struct iwl_mvm_internal_rxq_notif *notif =
6247			(struct iwl_mvm_internal_rxq_notif *)cmd->payload;
6248	struct iwl_host_cmd hcmd = {
6249		.id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD),
6250		.data[0] = cmd,
6251		.len[0] = __struct_size(cmd),
6252		.data[1] = data,
6253		.len[1] = size,
6254		.flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC),
6255	};
6256	int ret;
6257
6258	cmd->rxq_mask = cpu_to_le32(BIT(mvm->trans->info.num_rxqs) - 1);
6259	cmd->count = cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) +
6260				 size);
6261	notif->type = type;
6262	notif->sync = sync;
6263
6264	/* size must be a multiple of DWORD */
6265	if (WARN_ON(cmd->count & cpu_to_le32(3)))
6266		return;
6267
6268	if (!iwl_mvm_has_new_rx_api(mvm))
6269		return;
6270
6271	if (sync) {
6272		notif->cookie = mvm->queue_sync_cookie;
6273		mvm->queue_sync_state = (1 << mvm->trans->info.num_rxqs) - 1;
6274	}
6275
6276	ret = iwl_mvm_send_cmd(mvm, &hcmd);
6277	if (ret) {
6278		IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret);
6279		goto out;
6280	}
6281
6282	if (sync) {
6283		lockdep_assert_held(&mvm->mutex);
6284		ret = wait_event_timeout(mvm->rx_sync_waitq,
6285					 READ_ONCE(mvm->queue_sync_state) == 0,
6286					 SYNC_RX_QUEUE_TIMEOUT);
6287		WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n",
6288			  mvm->queue_sync_state,
6289			  mvm->queue_sync_cookie);
6290	}
6291
6292out:
6293	if (sync) {
6294		mvm->queue_sync_state = 0;
6295		mvm->queue_sync_cookie++;
6296	}
6297}
6298
6299void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
6300{
6301	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6302
6303	guard(mvm)(mvm);
6304	iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0);
6305}
6306
6307int
6308iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw,
6309				    struct ieee80211_vif *vif,
6310				    struct cfg80211_ftm_responder_stats *stats)
6311{
6312	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6313	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
6314
6315	if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
6316	    !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder)
6317		return -EINVAL;
6318
6319	mutex_lock(&mvm->mutex);
6320	*stats = mvm->ftm_resp_stats;
6321	mutex_unlock(&mvm->mutex);
6322
6323	stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) |
6324			BIT(NL80211_FTM_STATS_PARTIAL_NUM) |
6325			BIT(NL80211_FTM_STATS_FAILED_NUM) |
6326			BIT(NL80211_FTM_STATS_ASAP_NUM) |
6327			BIT(NL80211_FTM_STATS_NON_ASAP_NUM) |
6328			BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) |
6329			BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) |
6330			BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) |
6331			BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM);
6332
6333	return 0;
6334}
6335
6336int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6337		       struct cfg80211_pmsr_request *request)
6338{
6339	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6340
6341	guard(mvm)(mvm);
6342	return iwl_mvm_ftm_start(mvm, vif, request);
6343}
6344
6345void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6346			struct cfg80211_pmsr_request *request)
6347{
6348	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6349
6350	guard(mvm)(mvm);
6351	iwl_mvm_ftm_abort(mvm, request);
6352}
6353
6354static bool iwl_mvm_can_hw_csum(struct sk_buff *skb)
6355{
6356	u8 protocol = ip_hdr(skb)->protocol;
6357
6358	if (!IS_ENABLED(CONFIG_INET))
6359		return false;
6360
6361	return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP;
6362}
6363
6364static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw,
6365				      struct sk_buff *head,
6366				      struct sk_buff *skb)
6367{
6368	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6369
6370	/* For now don't aggregate IPv6 in AMSDU */
6371	if (skb->protocol != htons(ETH_P_IP))
6372		return false;
6373
6374	if (!iwl_mvm_is_csum_supported(mvm))
6375		return true;
6376
6377	return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head);
6378}
6379
6380int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw,
6381			     struct ieee80211_vif *vif,
6382			     struct cfg80211_set_hw_timestamp *hwts)
6383{
6384	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6385	u32 protocols = 0;
6386
6387	/* HW timestamping is only supported for a specific station */
6388	if (!hwts->macaddr)
6389		return -EOPNOTSUPP;
6390
6391	if (hwts->enable)
6392		protocols =
6393			IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM;
6394
6395	guard(mvm)(mvm);
6396	return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols);
6397}
6398
6399const struct ieee80211_ops iwl_mvm_hw_ops = {
6400	.tx = iwl_mvm_mac_tx,
6401	.wake_tx_queue = iwl_mvm_mac_wake_tx_queue,
6402	.ampdu_action = iwl_mvm_mac_ampdu_action,
6403	.get_antenna = iwl_mvm_op_get_antenna,
6404	.set_antenna = iwl_mvm_op_set_antenna,
6405	.start = iwl_mvm_mac_start,
6406	.reconfig_complete = iwl_mvm_mac_reconfig_complete,
6407	.stop = iwl_mvm_mac_stop,
6408	.add_interface = iwl_mvm_mac_add_interface,
6409	.remove_interface = iwl_mvm_mac_remove_interface,
6410	.config = iwl_mvm_mac_config,
6411	.prepare_multicast = iwl_mvm_prepare_multicast,
6412	.configure_filter = iwl_mvm_configure_filter,
6413	.config_iface_filter = iwl_mvm_config_iface_filter,
6414	.bss_info_changed = iwl_mvm_bss_info_changed,
6415	.hw_scan = iwl_mvm_mac_hw_scan,
6416	.cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
6417	.sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
6418	.sta_state = iwl_mvm_mac_sta_state,
6419	.sta_notify = iwl_mvm_mac_sta_notify,
6420	.allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
6421	.release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
6422	.set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
6423	.link_sta_rc_update = iwl_mvm_sta_rc_update,
6424	.conf_tx = iwl_mvm_mac_conf_tx,
6425	.mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
6426	.mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx,
6427	.mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
6428	.flush = iwl_mvm_mac_flush,
6429	.flush_sta = iwl_mvm_mac_flush_sta,
6430	.sched_scan_start = iwl_mvm_mac_sched_scan_start,
6431	.sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
6432	.set_key = iwl_mvm_mac_set_key,
6433	.update_tkip_key = iwl_mvm_mac_update_tkip_key,
6434	.remain_on_channel = iwl_mvm_roc,
6435	.cancel_remain_on_channel = iwl_mvm_cancel_roc,
6436	.add_chanctx = iwl_mvm_add_chanctx,
6437	.remove_chanctx = iwl_mvm_remove_chanctx,
6438	.change_chanctx = iwl_mvm_change_chanctx,
6439	.assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
6440	.unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
6441	.switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
6442
6443	.start_ap = iwl_mvm_start_ap,
6444	.stop_ap = iwl_mvm_stop_ap,
6445	.join_ibss = iwl_mvm_start_ibss,
6446	.leave_ibss = iwl_mvm_stop_ibss,
6447
6448	.tx_last_beacon = iwl_mvm_tx_last_beacon,
6449
6450	.set_tim = iwl_mvm_set_tim,
6451
6452	.channel_switch = iwl_mvm_channel_switch,
6453	.pre_channel_switch = iwl_mvm_mac_pre_channel_switch,
6454	.post_channel_switch = iwl_mvm_post_channel_switch,
6455	.abort_channel_switch = iwl_mvm_abort_channel_switch,
6456	.channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon,
6457
6458	.tdls_channel_switch = iwl_mvm_tdls_channel_switch,
6459	.tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
6460	.tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
6461
6462	.event_callback = iwl_mvm_mac_event_callback,
6463
6464	.sync_rx_queues = iwl_mvm_sync_rx_queues,
6465
6466#ifdef CONFIG_PM_SLEEP
6467	/* look at d3.c */
6468	.suspend = iwl_mvm_suspend,
6469	.resume = iwl_mvm_resume,
6470	.set_wakeup = iwl_mvm_set_wakeup,
6471	.set_rekey_data = iwl_mvm_set_rekey_data,
6472#if IS_ENABLED(CONFIG_IPV6)
6473	.ipv6_addr_change = iwl_mvm_ipv6_addr_change,
6474#endif
6475	.set_default_unicast_key = iwl_mvm_set_default_unicast_key,
6476#endif
6477	.get_survey = iwl_mvm_mac_get_survey,
6478	.sta_statistics = iwl_mvm_mac_sta_statistics,
6479	.get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats,
6480	.start_pmsr = iwl_mvm_start_pmsr,
6481	.abort_pmsr = iwl_mvm_abort_pmsr,
6482
6483	.can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate,
6484#ifdef CONFIG_IWLWIFI_DEBUGFS
6485	.vif_add_debugfs = iwl_mvm_vif_add_debugfs,
6486	.link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs,
6487#endif
6488	.set_hw_timestamp = iwl_mvm_set_hw_timestamp,
6489};