drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2012-2014, 2018-2023 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/slab.h>
   9 #include <linux/skbuff.h>
  10 #include <linux/netdevice.h>
  11 #include <linux/etherdevice.h>
  12 #include <linux/ip.h>
  13 #include <linux/if_arp.h>
  14 #include <linux/time.h>
  15 #include <net/mac80211.h>
  16 #include <net/ieee80211_radiotap.h>
  17 #include <net/tcp.h>
  18
  19 #include "iwl-drv.h"
  20 #include "iwl-op-mode.h"
  21 #include "iwl-io.h"
  22 #include "mvm.h"
  23 #include "sta.h"
  24 #include "time-event.h"
  25 #include "iwl-eeprom-parse.h"
  26 #include "iwl-phy-db.h"
  27 #include "testmode.h"
  28 #include "fw/error-dump.h"
  29 #include "iwl-prph.h"
  30 #include "iwl-nvm-parse.h"
  31 #include "time-sync.h"
  32
  33 static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
  34         {
  35                 .max = 1,
  36                 .types = BIT(NL80211_IFTYPE_STATION),
  37         },
  38         {
  39                 .max = 1,
  40                 .types = BIT(NL80211_IFTYPE_AP) |
  41                         BIT(NL80211_IFTYPE_P2P_CLIENT) |
  42                         BIT(NL80211_IFTYPE_P2P_GO),
  43         },
  44         {
  45                 .max = 1,
  46                 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
  47         },
  48 };
  49
  50 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
  51         {
  52                 .num_different_channels = 2,
  53                 .max_interfaces = 3,
  54                 .limits = iwl_mvm_limits,
  55                 .n_limits = ARRAY_SIZE(iwl_mvm_limits),
  56         },
  57 };
  58
  59 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = {
  60         .max_peers = IWL_MVM_TOF_MAX_APS,
  61         .report_ap_tsf = 1,
  62         .randomize_mac_addr = 1,
  63
  64         .ftm = {
  65                 .supported = 1,
  66                 .asap = 1,
  67                 .non_asap = 1,
  68                 .request_lci = 1,
  69                 .request_civicloc = 1,
  70                 .trigger_based = 1,
  71                 .non_trigger_based = 1,
  72                 .max_bursts_exponent = -1, /* all supported */
  73                 .max_ftms_per_burst = 0, /* no limits */
  74                 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
  75                               BIT(NL80211_CHAN_WIDTH_20) |
  76                               BIT(NL80211_CHAN_WIDTH_40) |
  77                               BIT(NL80211_CHAN_WIDTH_80) |
  78                               BIT(NL80211_CHAN_WIDTH_160),
  79                 .preambles = BIT(NL80211_PREAMBLE_LEGACY) |
  80                              BIT(NL80211_PREAMBLE_HT) |
  81                              BIT(NL80211_PREAMBLE_VHT) |
  82                              BIT(NL80211_PREAMBLE_HE),
  83         },
  84 };
  85
  86 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
  87                                  enum set_key_cmd cmd,
  88                                  struct ieee80211_vif *vif,
  89                                  struct ieee80211_sta *sta,
  90                                  struct ieee80211_key_conf *key);
  91
  92 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
  93 {
  94         int i;
  95
  96         memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts));
  97         for (i = 0; i < NUM_PHY_CTX; i++) {
  98                 mvm->phy_ctxts[i].id = i;
  99                 mvm->phy_ctxts[i].ref = 0;
 100         }
 101 }
 102
 103 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
 104                                                   const char *alpha2,
 105                                                   enum iwl_mcc_source src_id,
 106                                                   bool *changed)
 107 {
 108         struct ieee80211_regdomain *regd = NULL;
 109         struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 110         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 111         struct iwl_mcc_update_resp_v8 *resp;
 112         u8 resp_ver;
 113
 114         IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2);
 115
 116         lockdep_assert_held(&mvm->mutex);
 117
 118         resp = iwl_mvm_update_mcc(mvm, alpha2, src_id);
 119         if (IS_ERR_OR_NULL(resp)) {
 120                 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n",
 121                               PTR_ERR_OR_ZERO(resp));
 122                 resp = NULL;
 123                 goto out;
 124         }
 125
 126         if (changed) {
 127                 u32 status = le32_to_cpu(resp->status);
 128
 129                 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE ||
 130                             status == MCC_RESP_ILLEGAL);
 131         }
 132         resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
 133                                            MCC_UPDATE_CMD, 0);
 134         IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver);
 135
 136         regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg,
 137                                       __le32_to_cpu(resp->n_channels),
 138                                       resp->channels,
 139                                       __le16_to_cpu(resp->mcc),
 140                                       __le16_to_cpu(resp->geo_info),
 141                                       le32_to_cpu(resp->cap), resp_ver);
 142         /* Store the return source id */
 143         src_id = resp->source_id;
 144         if (IS_ERR_OR_NULL(regd)) {
 145                 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n",
 146                               PTR_ERR_OR_ZERO(regd));
 147                 goto out;
 148         }
 149
 150         IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n",
 151                       regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id);
 152         mvm->lar_regdom_set = true;
 153         mvm->mcc_src = src_id;
 154
 155         /* Some kind of regulatory mess means we need to currently disallow
 156          * puncturing in the US and Canada. Do that here, at least until we
 157          * figure out the new chanctx APIs for puncturing.
 158          */
 159         if (resp->mcc == cpu_to_le16(IWL_MCC_US) ||
 160             resp->mcc == cpu_to_le16(IWL_MCC_CANADA))
 161                 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING);
 162         else
 163                 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags);
 164
 165         iwl_mei_set_country_code(__le16_to_cpu(resp->mcc));
 166
 167 out:
 168         kfree(resp);
 169         return regd;
 170 }
 171
 172 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm)
 173 {
 174         bool changed;
 175         struct ieee80211_regdomain *regd;
 176
 177         if (!iwl_mvm_is_lar_supported(mvm))
 178                 return;
 179
 180         regd = iwl_mvm_get_current_regdomain(mvm, &changed);
 181         if (!IS_ERR_OR_NULL(regd)) {
 182                 /* only update the regulatory core if changed */
 183                 if (changed)
 184                         regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
 185
 186                 kfree(regd);
 187         }
 188 }
 189
 190 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
 191                                                           bool *changed)
 192 {
 193         return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ",
 194                                      iwl_mvm_is_wifi_mcc_supported(mvm) ?
 195                                      MCC_SOURCE_GET_CURRENT :
 196                                      MCC_SOURCE_OLD_FW, changed);
 197 }
 198
 199 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync)
 200 {
 201         enum iwl_mcc_source used_src;
 202         struct ieee80211_regdomain *regd;
 203         int ret;
 204         bool changed;
 205         const struct ieee80211_regdomain *r =
 206                         wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd);
 207
 208         if (!r)
 209                 return -ENOENT;
 210
 211         /* save the last source in case we overwrite it below */
 212         used_src = mvm->mcc_src;
 213         if (iwl_mvm_is_wifi_mcc_supported(mvm)) {
 214                 /* Notify the firmware we support wifi location updates */
 215                 regd = iwl_mvm_get_current_regdomain(mvm, NULL);
 216                 if (!IS_ERR_OR_NULL(regd))
 217                         kfree(regd);
 218         }
 219
 220         /* Now set our last stored MCC and source */
 221         regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src,
 222                                      &changed);
 223         if (IS_ERR_OR_NULL(regd))
 224                 return -EIO;
 225
 226         /* update cfg80211 if the regdomain was changed or the caller explicitly
 227          * asked to update regdomain
 228          */
 229         if (changed || force_regd_sync)
 230                 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd);
 231         else
 232                 ret = 0;
 233
 234         kfree(regd);
 235         return ret;
 236 }
 237
 238 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */
 239 static const u8 he_if_types_ext_capa_sta[] = {
 240          [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
 241          [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
 242          [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF |
 243                WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB,
 244          [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB,
 245 };
 246
 247 static const u8 tm_if_types_ext_capa_sta[] = {
 248          [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
 249          [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT |
 250                WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT,
 251          [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF |
 252                WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB,
 253          [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB,
 254          [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
 255 };
 256
 257 /* Additional interface types for which extended capabilities are
 258  * specified separately
 259  */
 260
 261 #define IWL_MVM_EMLSR_CAPA      (IEEE80211_EML_CAP_EMLSR_SUPP | \
 262                                  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \
 263                                         __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \
 264                                  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \
 265                                         __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY))
 266
 267 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
 268         {
 269                 .iftype = NL80211_IFTYPE_STATION,
 270                 .extended_capabilities = he_if_types_ext_capa_sta,
 271                 .extended_capabilities_mask = he_if_types_ext_capa_sta,
 272                 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta),
 273                 /* relevant only if EHT is supported */
 274                 .eml_capabilities = IWL_MVM_EMLSR_CAPA,
 275         },
 276         {
 277                 .iftype = NL80211_IFTYPE_STATION,
 278                 .extended_capabilities = tm_if_types_ext_capa_sta,
 279                 .extended_capabilities_mask = tm_if_types_ext_capa_sta,
 280                 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta),
 281                 /* relevant only if EHT is supported */
 282                 .eml_capabilities = IWL_MVM_EMLSR_CAPA,
 283         },
 284 };
 285
 286 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
 287 {
 288         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 289         *tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
 290         *rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
 291         return 0;
 292 }
 293
 294 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
 295 {
 296         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 297
 298         /* This has been tested on those devices only */
 299         if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 &&
 300             mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000)
 301                 return -EOPNOTSUPP;
 302
 303         if (!mvm->nvm_data)
 304                 return -EBUSY;
 305
 306         /* mac80211 ensures the device is not started,
 307          * so the firmware cannot be running
 308          */
 309
 310         mvm->set_tx_ant = tx_ant;
 311         mvm->set_rx_ant = rx_ant;
 312
 313         iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw);
 314
 315         return 0;
 316 }
 317
 318 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 319 {
 320         struct ieee80211_hw *hw = mvm->hw;
 321         int num_mac, ret, i;
 322         static const u32 mvm_ciphers[] = {
 323                 WLAN_CIPHER_SUITE_WEP40,
 324                 WLAN_CIPHER_SUITE_WEP104,
 325                 WLAN_CIPHER_SUITE_TKIP,
 326                 WLAN_CIPHER_SUITE_CCMP,
 327         };
 328 #ifdef CONFIG_PM_SLEEP
 329         bool unified = fw_has_capa(&mvm->fw->ucode_capa,
 330                                    IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG);
 331 #endif
 332         u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD);
 333         u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0);
 334
 335         /* Tell mac80211 our characteristics */
 336         ieee80211_hw_set(hw, SIGNAL_DBM);
 337         ieee80211_hw_set(hw, SPECTRUM_MGMT);
 338         ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
 339         ieee80211_hw_set(hw, WANT_MONITOR_VIF);
 340         ieee80211_hw_set(hw, SUPPORTS_PS);
 341         ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
 342         ieee80211_hw_set(hw, AMPDU_AGGREGATION);
 343         ieee80211_hw_set(hw, CONNECTION_MONITOR);
 344         ieee80211_hw_set(hw, CHANCTX_STA_CSA);
 345         ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
 346         ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
 347         ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
 348         ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
 349         ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
 350         ieee80211_hw_set(hw, BUFF_MMPDU_TXQ);
 351         ieee80211_hw_set(hw, STA_MMPDU_TXQ);
 352
 353         /* Set this early since we need to have it for the check below */
 354         if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable &&
 355             !iwlwifi_mod_params.disable_11ax &&
 356             !iwlwifi_mod_params.disable_11be)
 357                 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO;
 358
 359         /* With MLD FW API, it tracks timing by itself,
 360          * no need for any timing from the host
 361          */
 362         if (!mvm->mld_api_is_used)
 363                 ieee80211_hw_set(hw, TIMING_BEACON_ONLY);
 364
 365         /* We should probably have this, but mac80211
 366          * currently doesn't support it for MLO.
 367          */
 368         if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
 369                 ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP);
 370
 371         /*
 372          * On older devices, enabling TX A-MSDU occasionally leads to
 373          * something getting messed up, the command read from the FIFO
 374          * gets out of sync and isn't a TX command, so that we have an
 375          * assert EDC.
 376          *
 377          * It's not clear where the bug is, but since we didn't used to
 378          * support A-MSDU until moving the mac80211 iTXQs, just leave it
 379          * for older devices. We also don't see this issue on any newer
 380          * devices.
 381          */
 382         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000)
 383                 ieee80211_hw_set(hw, TX_AMSDU);
 384         ieee80211_hw_set(hw, TX_FRAG_LIST);
 385
 386         if (iwl_mvm_has_tlc_offload(mvm)) {
 387                 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW);
 388                 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
 389         }
 390
 391         /* We want to use the mac80211's reorder buffer for 9000 */
 392         if (iwl_mvm_has_new_rx_api(mvm) &&
 393             mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000)
 394                 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
 395
 396         if (fw_has_capa(&mvm->fw->ucode_capa,
 397                         IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) {
 398                 ieee80211_hw_set(hw, AP_LINK_PS);
 399         } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) {
 400                 /*
 401                  * we absolutely need this for the new TX API since that comes
 402                  * with many more queues than the current code can deal with
 403                  * for station powersave
 404                  */
 405                 return -EINVAL;
 406         }
 407
 408         if (mvm->trans->num_rx_queues > 1)
 409                 ieee80211_hw_set(hw, USES_RSS);
 410
 411         if (mvm->trans->max_skb_frags)
 412                 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
 413
 414         hw->queues = IEEE80211_NUM_ACS;
 415         hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
 416         hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
 417                                     IEEE80211_RADIOTAP_MCS_HAVE_STBC;
 418         hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
 419                 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
 420
 421         hw->radiotap_timestamp.units_pos =
 422                 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US |
 423                 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ;
 424         /* this is the case for CCK frames, it's better (only 8) for OFDM */
 425         hw->radiotap_timestamp.accuracy = 22;
 426
 427         if (!iwl_mvm_has_tlc_offload(mvm))
 428                 hw->rate_control_algorithm = RS_NAME;
 429
 430         hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
 431         hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
 432         hw->max_tx_fragments = mvm->trans->max_skb_frags;
 433
 434         BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6);
 435         memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers));
 436         hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers);
 437         hw->wiphy->cipher_suites = mvm->ciphers;
 438
 439         if (iwl_mvm_has_new_rx_api(mvm)) {
 440                 mvm->ciphers[hw->wiphy->n_cipher_suites] =
 441                         WLAN_CIPHER_SUITE_GCMP;
 442                 hw->wiphy->n_cipher_suites++;
 443                 mvm->ciphers[hw->wiphy->n_cipher_suites] =
 444                         WLAN_CIPHER_SUITE_GCMP_256;
 445                 hw->wiphy->n_cipher_suites++;
 446         }
 447
 448         if (iwlwifi_mod_params.swcrypto)
 449                 IWL_ERR(mvm,
 450                         "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n");
 451         if (!iwlwifi_mod_params.bt_coex_active)
 452                 IWL_ERR(mvm,
 453                         "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n");
 454
 455         ieee80211_hw_set(hw, MFP_CAPABLE);
 456         mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC;
 457         hw->wiphy->n_cipher_suites++;
 458         if (iwl_mvm_has_new_rx_api(mvm)) {
 459                 mvm->ciphers[hw->wiphy->n_cipher_suites] =
 460                         WLAN_CIPHER_SUITE_BIP_GMAC_128;
 461                 hw->wiphy->n_cipher_suites++;
 462                 mvm->ciphers[hw->wiphy->n_cipher_suites] =
 463                         WLAN_CIPHER_SUITE_BIP_GMAC_256;
 464                 hw->wiphy->n_cipher_suites++;
 465         }
 466
 467         wiphy_ext_feature_set(hw->wiphy,
 468                               NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
 469         wiphy_ext_feature_set(hw->wiphy,
 470                               NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT);
 471
 472         if (fw_has_capa(&mvm->fw->ucode_capa,
 473                         IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) {
 474                 wiphy_ext_feature_set(hw->wiphy,
 475                                       NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
 476                 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa;
 477         }
 478
 479         if (sec_key_ver &&
 480             fw_has_capa(&mvm->fw->ucode_capa,
 481                         IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT))
 482                 wiphy_ext_feature_set(hw->wiphy,
 483                                       NL80211_EXT_FEATURE_BEACON_PROTECTION);
 484         else if (fw_has_capa(&mvm->fw->ucode_capa,
 485                              IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT))
 486                 wiphy_ext_feature_set(hw->wiphy,
 487                                       NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT);
 488
 489         if (fw_has_capa(&mvm->fw->ucode_capa,
 490                         IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM))
 491                 hw->wiphy->hw_timestamp_max_peers = 1;
 492
 493         ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
 494         hw->wiphy->features |=
 495                 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
 496                 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
 497                 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
 498
 499         hw->sta_data_size = sizeof(struct iwl_mvm_sta);
 500         hw->vif_data_size = sizeof(struct iwl_mvm_vif);
 501         hw->chanctx_data_size = sizeof(u16);
 502         hw->txq_data_size = sizeof(struct iwl_mvm_txq);
 503
 504         hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 505                 BIT(NL80211_IFTYPE_P2P_CLIENT) |
 506                 BIT(NL80211_IFTYPE_AP) |
 507                 BIT(NL80211_IFTYPE_P2P_GO) |
 508                 BIT(NL80211_IFTYPE_P2P_DEVICE) |
 509                 BIT(NL80211_IFTYPE_ADHOC);
 510
 511         hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 512         wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
 513
 514         /* The new Tx API does not allow to pass the key or keyid of a MPDU to
 515          * the hw, preventing us to control which key(id) to use per MPDU.
 516          * Till that's fixed we can't use Extended Key ID for the newer cards.
 517          */
 518         if (!iwl_mvm_has_new_tx_api(mvm))
 519                 wiphy_ext_feature_set(hw->wiphy,
 520                                       NL80211_EXT_FEATURE_EXT_KEY_ID);
 521         hw->wiphy->features |= NL80211_FEATURE_HT_IBSS;
 522
 523         hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR;
 524         if (iwl_mvm_is_lar_supported(mvm))
 525                 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
 526         else
 527                 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
 528                                                REGULATORY_DISABLE_BEACON_HINTS;
 529
 530         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
 531                 wiphy_ext_feature_set(hw->wiphy,
 532                                       NL80211_EXT_FEATURE_DFS_CONCURRENT);
 533
 534         hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
 535         hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 536         hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ;
 537
 538         hw->wiphy->iface_combinations = iwl_mvm_iface_combinations;
 539         hw->wiphy->n_iface_combinations =
 540                 ARRAY_SIZE(iwl_mvm_iface_combinations);
 541
 542         hw->wiphy->max_remain_on_channel_duration = 10000;
 543         hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL;
 544
 545         /* Extract MAC address */
 546         memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
 547         hw->wiphy->addresses = mvm->addresses;
 548         hw->wiphy->n_addresses = 1;
 549
 550         /* Extract additional MAC addresses if available */
 551         num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
 552                 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
 553
 554         for (i = 1; i < num_mac; i++) {
 555                 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
 556                        ETH_ALEN);
 557                 mvm->addresses[i].addr[5]++;
 558                 hw->wiphy->n_addresses++;
 559         }
 560
 561         iwl_mvm_reset_phy_ctxts(mvm);
 562
 563         hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
 564
 565         hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
 566
 567         BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK);
 568         BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) ||
 569                      IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK));
 570
 571         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN))
 572                 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS;
 573         else
 574                 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS;
 575
 576         if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels)
 577                 hw->wiphy->bands[NL80211_BAND_2GHZ] =
 578                         &mvm->nvm_data->bands[NL80211_BAND_2GHZ];
 579         if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) {
 580                 hw->wiphy->bands[NL80211_BAND_5GHZ] =
 581                         &mvm->nvm_data->bands[NL80211_BAND_5GHZ];
 582
 583                 if (fw_has_capa(&mvm->fw->ucode_capa,
 584                                 IWL_UCODE_TLV_CAPA_BEAMFORMER) &&
 585                     fw_has_api(&mvm->fw->ucode_capa,
 586                                IWL_UCODE_TLV_API_LQ_SS_PARAMS))
 587                         hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |=
 588                                 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
 589         }
 590         if (fw_has_capa(&mvm->fw->ucode_capa,
 591                         IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) &&
 592             mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels)
 593                 hw->wiphy->bands[NL80211_BAND_6GHZ] =
 594                         &mvm->nvm_data->bands[NL80211_BAND_6GHZ];
 595
 596         hw->wiphy->hw_version = mvm->trans->hw_id;
 597
 598         if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
 599                 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
 600         else
 601                 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 602
 603         hw->wiphy->max_sched_scan_reqs = 1;
 604         hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
 605         hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw);
 606         /* we create the 802.11 header and zero length SSID IE. */
 607         hw->wiphy->max_sched_scan_ie_len =
 608                 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
 609         hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS;
 610         hw->wiphy->max_sched_scan_plan_interval = U16_MAX;
 611
 612         /*
 613          * the firmware uses u8 for num of iterations, but 0xff is saved for
 614          * infinite loop, so the maximum number of iterations is actually 254.
 615          */
 616         hw->wiphy->max_sched_scan_plan_iterations = 254;
 617
 618         hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN |
 619                                NL80211_FEATURE_LOW_PRIORITY_SCAN |
 620                                NL80211_FEATURE_P2P_GO_OPPPS |
 621                                NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
 622                                NL80211_FEATURE_DYNAMIC_SMPS |
 623                                NL80211_FEATURE_STATIC_SMPS |
 624                                NL80211_FEATURE_SUPPORTS_WMM_ADMISSION;
 625
 626         if (fw_has_capa(&mvm->fw->ucode_capa,
 627                         IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT))
 628                 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
 629         if (fw_has_capa(&mvm->fw->ucode_capa,
 630                         IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT))
 631                 hw->wiphy->features |= NL80211_FEATURE_QUIET;
 632
 633         if (fw_has_capa(&mvm->fw->ucode_capa,
 634                         IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT))
 635                 hw->wiphy->features |=
 636                         NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
 637
 638         if (fw_has_capa(&mvm->fw->ucode_capa,
 639                         IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
 640                 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
 641
 642         if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL,
 643                                   IWL_FW_CMD_VER_UNKNOWN) == 3)
 644                 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK;
 645
 646         if (fw_has_api(&mvm->fw->ucode_capa,
 647                        IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) {
 648                 wiphy_ext_feature_set(hw->wiphy,
 649                                       NL80211_EXT_FEATURE_SCAN_START_TIME);
 650                 wiphy_ext_feature_set(hw->wiphy,
 651                                       NL80211_EXT_FEATURE_BSS_PARENT_TSF);
 652         }
 653
 654         if (iwl_mvm_is_oce_supported(mvm)) {
 655                 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0);
 656
 657                 wiphy_ext_feature_set(hw->wiphy,
 658                         NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP);
 659                 wiphy_ext_feature_set(hw->wiphy,
 660                         NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME);
 661                 wiphy_ext_feature_set(hw->wiphy,
 662                         NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE);
 663
 664                 /* Old firmware also supports probe deferral and suppression */
 665                 if (scan_ver < 15)
 666                         wiphy_ext_feature_set(hw->wiphy,
 667                                               NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION);
 668         }
 669
 670         hw->wiphy->iftype_ext_capab = NULL;
 671         hw->wiphy->num_iftype_ext_capab = 0;
 672
 673         if (mvm->nvm_data->sku_cap_11ax_enable &&
 674             !iwlwifi_mod_params.disable_11ax) {
 675                 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa;
 676                 hw->wiphy->num_iftype_ext_capab =
 677                         ARRAY_SIZE(add_iftypes_ext_capa) - 1;
 678
 679                 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
 680                 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID);
 681         }
 682
 683         if (iwl_fw_lookup_cmd_ver(mvm->fw,
 684                                   WIDE_ID(DATA_PATH_GROUP,
 685                                           WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
 686                                   IWL_FW_CMD_VER_UNKNOWN) >= 1) {
 687                 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n");
 688
 689                 if (!hw->wiphy->iftype_ext_capab) {
 690                         hw->wiphy->num_iftype_ext_capab = 1;
 691                         hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa +
 692                                 ARRAY_SIZE(add_iftypes_ext_capa) - 1;
 693                 } else {
 694                         hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1;
 695                 }
 696         }
 697
 698         mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 699
 700 #ifdef CONFIG_PM_SLEEP
 701         if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) &&
 702             mvm->trans->ops->d3_suspend &&
 703             mvm->trans->ops->d3_resume &&
 704             device_can_wakeup(mvm->trans->dev)) {
 705                 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT |
 706                                      WIPHY_WOWLAN_DISCONNECT |
 707                                      WIPHY_WOWLAN_EAP_IDENTITY_REQ |
 708                                      WIPHY_WOWLAN_RFKILL_RELEASE |
 709                                      WIPHY_WOWLAN_NET_DETECT;
 710                 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
 711                                      WIPHY_WOWLAN_GTK_REKEY_FAILURE |
 712                                      WIPHY_WOWLAN_4WAY_HANDSHAKE;
 713
 714                 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
 715                 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
 716                 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
 717                 mvm->wowlan.max_nd_match_sets =
 718                         iwl_umac_scan_get_max_profiles(mvm->fw);
 719                 hw->wiphy->wowlan = &mvm->wowlan;
 720         }
 721 #endif
 722
 723         ret = iwl_mvm_leds_init(mvm);
 724         if (ret)
 725                 return ret;
 726
 727         if (fw_has_capa(&mvm->fw->ucode_capa,
 728                         IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) {
 729                 IWL_DEBUG_TDLS(mvm, "TDLS supported\n");
 730                 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
 731                 ieee80211_hw_set(hw, TDLS_WIDER_BW);
 732         }
 733
 734         if (fw_has_capa(&mvm->fw->ucode_capa,
 735                         IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) {
 736                 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n");
 737                 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
 738         }
 739
 740         hw->netdev_features |= mvm->cfg->features;
 741         if (!iwl_mvm_is_csum_supported(mvm))
 742                 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK;
 743
 744         if (mvm->cfg->vht_mu_mimo_supported)
 745                 wiphy_ext_feature_set(hw->wiphy,
 746                                       NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
 747
 748         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT))
 749                 wiphy_ext_feature_set(hw->wiphy,
 750                                       NL80211_EXT_FEATURE_PROTECTED_TWT);
 751
 752         iwl_mvm_vendor_cmds_register(mvm);
 753
 754         hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm);
 755         hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm);
 756
 757         ret = ieee80211_register_hw(mvm->hw);
 758         if (ret) {
 759                 iwl_mvm_leds_exit(mvm);
 760         }
 761
 762         return ret;
 763 }
 764
 765 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 766                            struct ieee80211_sta *sta)
 767 {
 768         if (likely(sta)) {
 769                 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0))
 770                         return;
 771         } else {
 772                 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0))
 773                         return;
 774         }
 775
 776         ieee80211_free_txskb(mvm->hw, skb);
 777 }
 778
 779 void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
 780                     struct ieee80211_tx_control *control, struct sk_buff *skb)
 781 {
 782         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 783         struct ieee80211_sta *sta = control->sta;
 784         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 785         struct ieee80211_hdr *hdr = (void *)skb->data;
 786         bool offchannel = IEEE80211_SKB_CB(skb)->flags &
 787                 IEEE80211_TX_CTL_TX_OFFCHAN;
 788         u32 link_id = u32_get_bits(info->control.flags,
 789                                    IEEE80211_TX_CTRL_MLO_LINK);
 790         struct ieee80211_sta *tmp_sta = sta;
 791
 792         if (iwl_mvm_is_radio_killed(mvm)) {
 793                 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n");
 794                 goto drop;
 795         }
 796
 797         if (offchannel &&
 798             !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
 799             !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
 800                 goto drop;
 801
 802         /*
 803          * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs
 804          * so we treat the others as broadcast
 805          */
 806         if (ieee80211_is_mgmt(hdr->frame_control))
 807                 sta = NULL;
 808
 809         /* If there is no sta, and it's not offchannel - send through AP */
 810         if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION &&
 811             !offchannel) {
 812                 struct iwl_mvm_vif *mvmvif =
 813                         iwl_mvm_vif_from_mac80211(info->control.vif);
 814                 u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id);
 815
 816                 if (ap_sta_id < mvm->fw->ucode_capa.num_stations) {
 817                         /* mac80211 holds rcu read lock */
 818                         sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]);
 819                         if (IS_ERR_OR_NULL(sta))
 820                                 goto drop;
 821                 }
 822         }
 823
 824         if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED &&
 825             !ieee80211_is_probe_resp(hdr->frame_control)) {
 826                 /* translate MLD addresses to LINK addresses */
 827                 struct ieee80211_link_sta *link_sta =
 828                         rcu_dereference(tmp_sta->link[link_id]);
 829                 struct ieee80211_bss_conf *link_conf =
 830                         rcu_dereference(info->control.vif->link_conf[link_id]);
 831                 struct ieee80211_mgmt *mgmt;
 832
 833                 if (WARN_ON(!link_sta || !link_conf))
 834                         goto drop;
 835
 836                 /* if sta is NULL, the frame is a management frame */
 837                 mgmt = (void *)hdr;
 838                 memcpy(mgmt->da, link_sta->addr, ETH_ALEN);
 839                 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN);
 840                 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN);
 841         }
 842
 843         iwl_mvm_tx_skb(mvm, skb, sta);
 844         return;
 845  drop:
 846         ieee80211_free_txskb(hw, skb);
 847 }
 848
 849 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
 850 {
 851         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 852         struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
 853         struct sk_buff *skb = NULL;
 854
 855         /*
 856          * No need for threads to be pending here, they can leave the first
 857          * taker all the work.
 858          *
 859          * mvmtxq->tx_request logic:
 860          *
 861          * If 0, no one is currently TXing, set to 1 to indicate current thread
 862          * will now start TX and other threads should quit.
 863          *
 864          * If 1, another thread is currently TXing, set to 2 to indicate to
 865          * that thread that there was another request. Since that request may
 866          * have raced with the check whether the queue is empty, the TXing
 867          * thread should check the queue's status one more time before leaving.
 868          * This check is done in order to not leave any TX hanging in the queue
 869          * until the next TX invocation (which may not even happen).
 870          *
 871          * If 2, another thread is currently TXing, and it will already double
 872          * check the queue, so do nothing.
 873          */
 874         if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2))
 875                 return;
 876
 877         rcu_read_lock();
 878         do {
 879                 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL,
 880                                         &mvmtxq->state) &&
 881                               !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT,
 882                                         &mvmtxq->state) &&
 883                               !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) {
 884                         skb = ieee80211_tx_dequeue(hw, txq);
 885
 886                         if (!skb) {
 887                                 if (txq->sta)
 888                                         IWL_DEBUG_TX(mvm,
 889                                                      "TXQ of sta %pM tid %d is now empty\n",
 890                                                      txq->sta->addr,
 891                                                      txq->tid);
 892                                 break;
 893                         }
 894
 895                         iwl_mvm_tx_skb(mvm, skb, txq->sta);
 896                 }
 897         } while (atomic_dec_return(&mvmtxq->tx_request));
 898         rcu_read_unlock();
 899 }
 900
 901 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw,
 902                                struct ieee80211_txq *txq)
 903 {
 904         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 905         struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq);
 906
 907         if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) ||
 908             !txq->sta) {
 909                 iwl_mvm_mac_itxq_xmit(hw, txq);
 910                 return;
 911         }
 912
 913         /* iwl_mvm_mac_itxq_xmit() will later be called by the worker
 914          * to handle any packets we leave on the txq now
 915          */
 916
 917         spin_lock_bh(&mvm->add_stream_lock);
 918         /* The list is being deleted only after the queue is fully allocated. */
 919         if (list_empty(&mvmtxq->list) &&
 920             /* recheck under lock */
 921             !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) {
 922                 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs);
 923                 schedule_work(&mvm->add_stream_wk);
 924         }
 925         spin_unlock_bh(&mvm->add_stream_lock);
 926 }
 927
 928 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...)           \
 929         do {                                                            \
 930                 if (!(le16_to_cpu(_tid_bm) & BIT(_tid)))                \
 931                         break;                                          \
 932                 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt);    \
 933         } while (0)
 934
 935 static void
 936 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 937                             struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn,
 938                             enum ieee80211_ampdu_mlme_action action)
 939 {
 940         struct iwl_fw_dbg_trigger_tlv *trig;
 941         struct iwl_fw_dbg_trigger_ba *ba_trig;
 942
 943         trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
 944                                      FW_DBG_TRIGGER_BA);
 945         if (!trig)
 946                 return;
 947
 948         ba_trig = (void *)trig->data;
 949
 950         switch (action) {
 951         case IEEE80211_AMPDU_TX_OPERATIONAL: {
 952                 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 953                 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
 954
 955                 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid,
 956                                  "TX AGG START: MAC %pM tid %d ssn %d\n",
 957                                  sta->addr, tid, tid_data->ssn);
 958                 break;
 959                 }
 960         case IEEE80211_AMPDU_TX_STOP_CONT:
 961                 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid,
 962                                  "TX AGG STOP: MAC %pM tid %d\n",
 963                                  sta->addr, tid);
 964                 break;
 965         case IEEE80211_AMPDU_RX_START:
 966                 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid,
 967                                  "RX AGG START: MAC %pM tid %d ssn %d\n",
 968                                  sta->addr, tid, rx_ba_ssn);
 969                 break;
 970         case IEEE80211_AMPDU_RX_STOP:
 971                 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid,
 972                                  "RX AGG STOP: MAC %pM tid %d\n",
 973                                  sta->addr, tid);
 974                 break;
 975         default:
 976                 break;
 977         }
 978 }
 979
 980 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
 981                              struct ieee80211_vif *vif,
 982                              struct ieee80211_ampdu_params *params)
 983 {
 984         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 985         int ret;
 986         struct ieee80211_sta *sta = params->sta;
 987         enum ieee80211_ampdu_mlme_action action = params->action;
 988         u16 tid = params->tid;
 989         u16 *ssn = &params->ssn;
 990         u16 buf_size = params->buf_size;
 991         bool amsdu = params->amsdu;
 992         u16 timeout = params->timeout;
 993
 994         IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n",
 995                      sta->addr, tid, action);
 996
 997         if (!(mvm->nvm_data->sku_cap_11n_enable))
 998                 return -EACCES;
 999
1000         mutex_lock(&mvm->mutex);
1001
1002         switch (action) {
1003         case IEEE80211_AMPDU_RX_START:
1004                 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id ==
1005                     iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) {
1006                         struct iwl_mvm_vif *mvmvif;
1007                         u16 macid = iwl_mvm_vif_from_mac80211(vif)->id;
1008                         struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid];
1009
1010                         mdata->opened_rx_ba_sessions = true;
1011                         mvmvif = iwl_mvm_vif_from_mac80211(vif);
1012                         cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk);
1013                 }
1014                 if (!iwl_enable_rx_ampdu()) {
1015                         ret = -EINVAL;
1016                         break;
1017                 }
1018                 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size,
1019                                          timeout);
1020                 break;
1021         case IEEE80211_AMPDU_RX_STOP:
1022                 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size,
1023                                          timeout);
1024                 break;
1025         case IEEE80211_AMPDU_TX_START:
1026                 if (!iwl_enable_tx_ampdu()) {
1027                         ret = -EINVAL;
1028                         break;
1029                 }
1030                 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
1031                 break;
1032         case IEEE80211_AMPDU_TX_STOP_CONT:
1033                 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
1034                 break;
1035         case IEEE80211_AMPDU_TX_STOP_FLUSH:
1036         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
1037                 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
1038                 break;
1039         case IEEE80211_AMPDU_TX_OPERATIONAL:
1040                 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid,
1041                                               buf_size, amsdu);
1042                 break;
1043         default:
1044                 WARN_ON_ONCE(1);
1045                 ret = -EINVAL;
1046                 break;
1047         }
1048
1049         if (!ret) {
1050                 u16 rx_ba_ssn = 0;
1051
1052                 if (action == IEEE80211_AMPDU_RX_START)
1053                         rx_ba_ssn = *ssn;
1054
1055                 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid,
1056                                             rx_ba_ssn, action);
1057         }
1058         mutex_unlock(&mvm->mutex);
1059
1060         return ret;
1061 }
1062
1063 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
1064                                      struct ieee80211_vif *vif)
1065 {
1066         struct iwl_mvm *mvm = data;
1067         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1068         struct iwl_probe_resp_data *probe_data;
1069         unsigned int link_id;
1070
1071         mvmvif->uploaded = false;
1072
1073         spin_lock_bh(&mvm->time_event_lock);
1074         iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data);
1075         spin_unlock_bh(&mvm->time_event_lock);
1076
1077         memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
1078         mvmvif->ap_sta = NULL;
1079
1080         for_each_mvm_vif_valid_link(mvmvif, link_id) {
1081                 mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA;
1082                 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID;
1083                 mvmvif->link[link_id]->phy_ctxt = NULL;
1084                 mvmvif->link[link_id]->active = 0;
1085                 mvmvif->link[link_id]->igtk = NULL;
1086         }
1087
1088         probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data,
1089                                                lockdep_is_held(&mvm->mutex));
1090         if (probe_data)
1091                 kfree_rcu(probe_data, rcu_head);
1092         RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL);
1093 }
1094
1095 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
1096 {
1097         iwl_mvm_stop_device(mvm);
1098
1099         mvm->cur_aid = 0;
1100
1101         mvm->scan_status = 0;
1102         mvm->ps_disabled = false;
1103         mvm->rfkill_safe_init_done = false;
1104
1105         /* just in case one was running */
1106         iwl_mvm_cleanup_roc_te(mvm);
1107         ieee80211_remain_on_channel_expired(mvm->hw);
1108
1109         iwl_mvm_ftm_restart(mvm);
1110
1111         /*
1112          * cleanup all interfaces, even inactive ones, as some might have
1113          * gone down during the HW restart
1114          */
1115         ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm);
1116
1117         mvm->p2p_device_vif = NULL;
1118
1119         iwl_mvm_reset_phy_ctxts(mvm);
1120         memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
1121         memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
1122         memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
1123
1124         ieee80211_wake_queues(mvm->hw);
1125
1126         mvm->rx_ba_sessions = 0;
1127         mvm->fwrt.dump.conf = FW_DBG_INVALID;
1128         mvm->monitor_on = false;
1129 #ifdef CONFIG_IWLWIFI_DEBUGFS
1130         mvm->beacon_inject_active = false;
1131 #endif
1132
1133         /* keep statistics ticking */
1134         iwl_mvm_accu_radio_stats(mvm);
1135 }
1136
1137 int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
1138 {
1139         int ret;
1140
1141         lockdep_assert_held(&mvm->mutex);
1142
1143         ret = iwl_mvm_mei_get_ownership(mvm);
1144         if (ret)
1145                 return ret;
1146
1147         if (mvm->mei_nvm_data) {
1148                 /* We got the NIC, we can now free the MEI NVM data */
1149                 kfree(mvm->mei_nvm_data);
1150                 mvm->mei_nvm_data = NULL;
1151
1152                 /*
1153                  * We can't free the nvm_data we allocated based on the SAP
1154                  * data because we registered to cfg80211 with the channels
1155                  * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data
1156                  * just in order to be able free it later.
1157                  * NULLify nvm_data so that we will read the NVM from the
1158                  * firmware this time.
1159                  */
1160                 mvm->temp_nvm_data = mvm->nvm_data;
1161                 mvm->nvm_data = NULL;
1162         }
1163
1164         if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) {
1165                 /*
1166                  * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
1167                  * so later code will - from now on - see that we're doing it.
1168                  */
1169                 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1170                 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1171                 /* Clean up some internal and mac80211 state on restart */
1172                 iwl_mvm_restart_cleanup(mvm);
1173         }
1174         ret = iwl_mvm_up(mvm);
1175
1176         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT,
1177                                NULL);
1178         iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC,
1179                                NULL);
1180
1181         mvm->last_reset_or_resume_time_jiffies = jiffies;
1182
1183         if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1184                 /* Something went wrong - we need to finish some cleanup
1185                  * that normally iwl_mvm_mac_restart_complete() below
1186                  * would do.
1187                  */
1188                 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1189         }
1190
1191         return ret;
1192 }
1193
1194 int iwl_mvm_mac_start(struct ieee80211_hw *hw)
1195 {
1196         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1197         int ret;
1198         int retry, max_retry = 0;
1199
1200         mutex_lock(&mvm->mutex);
1201
1202         /* we are starting the mac not in error flow, and restart is enabled */
1203         if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) &&
1204             iwlwifi_mod_params.fw_restart) {
1205                 max_retry = IWL_MAX_INIT_RETRY;
1206                 /*
1207                  * This will prevent mac80211 recovery flows to trigger during
1208                  * init failures
1209                  */
1210                 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status);
1211         }
1212
1213         for (retry = 0; retry <= max_retry; retry++) {
1214                 ret = __iwl_mvm_mac_start(mvm);
1215                 if (!ret || mvm->pldr_sync)
1216                         break;
1217
1218                 IWL_ERR(mvm, "mac start retry %d\n", retry);
1219         }
1220         clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status);
1221
1222         mutex_unlock(&mvm->mutex);
1223
1224         iwl_mvm_mei_set_sw_rfkill_state(mvm);
1225
1226         return ret;
1227 }
1228
1229 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
1230 {
1231         int ret;
1232
1233         mutex_lock(&mvm->mutex);
1234
1235         clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
1236
1237         ret = iwl_mvm_update_quotas(mvm, true, NULL);
1238         if (ret)
1239                 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
1240                         ret);
1241
1242         iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY);
1243
1244         /*
1245          * If we have TDLS peers, remove them. We don't know the last seqno/PN
1246          * of packets the FW sent out, so we must reconnect.
1247          */
1248         iwl_mvm_teardown_tdls_peers(mvm);
1249
1250         mutex_unlock(&mvm->mutex);
1251 }
1252
1253 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw,
1254                                    enum ieee80211_reconfig_type reconfig_type)
1255 {
1256         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1257
1258         switch (reconfig_type) {
1259         case IEEE80211_RECONFIG_TYPE_RESTART:
1260                 iwl_mvm_restart_complete(mvm);
1261                 break;
1262         case IEEE80211_RECONFIG_TYPE_SUSPEND:
1263                 break;
1264         }
1265 }
1266
1267 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
1268 {
1269         lockdep_assert_held(&mvm->mutex);
1270
1271         iwl_mvm_ftm_initiator_smooth_stop(mvm);
1272
1273         /* firmware counters are obviously reset now, but we shouldn't
1274          * partially track so also clear the fw_reset_accu counters.
1275          */
1276         memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats));
1277
1278         /* async_handlers_wk is now blocked */
1279
1280         if (!iwl_mvm_has_new_station_api(mvm->fw))
1281                 iwl_mvm_rm_aux_sta(mvm);
1282
1283         iwl_mvm_stop_device(mvm);
1284
1285         iwl_mvm_async_handlers_purge(mvm);
1286         /* async_handlers_list is empty and will stay empty: HW is stopped */
1287
1288         /*
1289          * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
1290          * hw (as restart_complete() won't be called in this case) and mac80211
1291          * won't execute the restart.
1292          * But make sure to cleanup interfaces that have gone down before/during
1293          * HW restart was requested.
1294          */
1295         if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
1296             test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1297                                &mvm->status))
1298                 ieee80211_iterate_interfaces(mvm->hw, 0,
1299                                              iwl_mvm_cleanup_iterator, mvm);
1300
1301         /* We shouldn't have any UIDs still set.  Loop over all the UIDs to
1302          * make sure there's nothing left there and warn if any is found.
1303          */
1304         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1305                 int i;
1306
1307                 for (i = 0; i < mvm->max_scans; i++) {
1308                         if (WARN_ONCE(mvm->scan_uid_status[i],
1309                                       "UMAC scan UID %d status was not cleaned\n",
1310                                       i))
1311                                 mvm->scan_uid_status[i] = 0;
1312                 }
1313         }
1314 }
1315
1316 void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
1317 {
1318         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1319
1320         flush_work(&mvm->async_handlers_wk);
1321         flush_work(&mvm->add_stream_wk);
1322
1323         /*
1324          * Lock and clear the firmware running bit here already, so that
1325          * new commands coming in elsewhere, e.g. from debugfs, will not
1326          * be able to proceed. This is important here because one of those
1327          * debugfs files causes the firmware dump to be triggered, and if we
1328          * don't stop debugfs accesses before canceling that it could be
1329          * retriggered after we flush it but before we've cleared the bit.
1330          */
1331         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1332
1333         cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork);
1334         cancel_delayed_work_sync(&mvm->scan_timeout_dwork);
1335
1336         /*
1337          * The work item could be running or queued if the
1338          * ROC time event stops just as we get here.
1339          */
1340         flush_work(&mvm->roc_done_wk);
1341
1342         iwl_mvm_mei_set_sw_rfkill_state(mvm);
1343
1344         mutex_lock(&mvm->mutex);
1345         __iwl_mvm_mac_stop(mvm);
1346         mutex_unlock(&mvm->mutex);
1347
1348         /*
1349          * The worker might have been waiting for the mutex, let it run and
1350          * discover that its list is now empty.
1351          */
1352         cancel_work_sync(&mvm->async_handlers_wk);
1353 }
1354
1355 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
1356 {
1357         u16 i;
1358
1359         lockdep_assert_held(&mvm->mutex);
1360
1361         for (i = 0; i < NUM_PHY_CTX; i++)
1362                 if (!mvm->phy_ctxts[i].ref)
1363                         return &mvm->phy_ctxts[i];
1364
1365         IWL_ERR(mvm, "No available PHY context\n");
1366         return NULL;
1367 }
1368
1369 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1370                          s16 tx_power)
1371 {
1372         u32 cmd_id = REDUCE_TX_POWER_CMD;
1373         int len;
1374         struct iwl_dev_tx_power_cmd cmd = {
1375                 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
1376                 .common.mac_context_id =
1377                         cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
1378                 .common.pwr_restriction = cpu_to_le16(8 * tx_power),
1379         };
1380         u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
1381                                            IWL_FW_CMD_VER_UNKNOWN);
1382
1383         if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
1384                 cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
1385
1386         if (cmd_ver == 7)
1387                 len = sizeof(cmd.v7);
1388         else if (cmd_ver == 6)
1389                 len = sizeof(cmd.v6);
1390         else if (fw_has_api(&mvm->fw->ucode_capa,
1391                             IWL_UCODE_TLV_API_REDUCE_TX_POWER))
1392                 len = sizeof(cmd.v5);
1393         else if (fw_has_capa(&mvm->fw->ucode_capa,
1394                              IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
1395                 len = sizeof(cmd.v4);
1396         else
1397                 len = sizeof(cmd.v3);
1398
1399         /* all structs have the same common part, add it */
1400         len += sizeof(cmd.common);
1401
1402         return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd);
1403 }
1404
1405 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
1406                                 struct ieee80211_vif *vif,
1407                                 struct ieee80211_bss_conf *link_conf)
1408 {
1409         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1410         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1411         int ret;
1412
1413         mutex_lock(&mvm->mutex);
1414
1415         if (vif->type == NL80211_IFTYPE_STATION) {
1416                 struct iwl_mvm_sta *mvmsta;
1417                 unsigned int link_id = link_conf->link_id;
1418                 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id;
1419
1420                 mvmvif->csa_bcn_pending = false;
1421                 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id);
1422
1423                 if (WARN_ON(!mvmsta)) {
1424                         ret = -EIO;
1425                         goto out_unlock;
1426                 }
1427
1428                 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
1429                 if (mvm->mld_api_is_used)
1430                         iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false);
1431                 else
1432                         iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1433
1434                 if (!fw_has_capa(&mvm->fw->ucode_capa,
1435                                  IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
1436                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
1437                         if (ret)
1438                                 goto out_unlock;
1439
1440                         iwl_mvm_stop_session_protection(mvm, vif);
1441                 }
1442         }
1443
1444         mvmvif->ps_disabled = false;
1445
1446         ret = iwl_mvm_power_update_ps(mvm);
1447
1448 out_unlock:
1449         if (mvmvif->csa_failed)
1450                 ret = -EIO;
1451         mutex_unlock(&mvm->mutex);
1452
1453         return ret;
1454 }
1455
1456 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw,
1457                                   struct ieee80211_vif *vif)
1458 {
1459         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1460         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1461         struct iwl_chan_switch_te_cmd cmd = {
1462                 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
1463                                                           mvmvif->color)),
1464                 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE),
1465         };
1466
1467         /*
1468          * In the new flow since FW is in charge of the timing,
1469          * if driver has canceled the channel switch he will receive the
1470          * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it
1471          */
1472         if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
1473                                     CHANNEL_SWITCH_ERROR_NOTIF, 0))
1474                 return;
1475
1476         IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id);
1477
1478         mutex_lock(&mvm->mutex);
1479         if (!fw_has_capa(&mvm->fw->ucode_capa,
1480                          IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
1481                 iwl_mvm_remove_csa_period(mvm, vif);
1482         else
1483                 WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
1484                                              WIDE_ID(MAC_CONF_GROUP,
1485                                                      CHANNEL_SWITCH_TIME_EVENT_CMD),
1486                                              0, sizeof(cmd), &cmd));
1487         mvmvif->csa_failed = true;
1488         mutex_unlock(&mvm->mutex);
1489
1490         /* If we're here, we can't support MLD */
1491         iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf);
1492 }
1493
1494 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk)
1495 {
1496         struct iwl_mvm_vif *mvmvif;
1497         struct ieee80211_vif *vif;
1498
1499         mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work);
1500         vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv);
1501
1502         /* Trigger disconnect (should clear the CSA state) */
1503         ieee80211_chswitch_done(vif, false, 0);
1504 }
1505
1506 static u8
1507 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef)
1508 {
1509         int data_start;
1510         int control_start;
1511         int bw;
1512
1513         if (chandef->width == NL80211_CHAN_WIDTH_320)
1514                 bw = 320;
1515         else if (chandef->width == NL80211_CHAN_WIDTH_160)
1516                 bw = 160;
1517         else
1518                 return 0;
1519
1520         /* data is bw wide so the start is half the width */
1521         data_start = chandef->center_freq1 - bw / 2;
1522         /* control is 20Mhz width */
1523         control_start = chandef->chan->center_freq - 10;
1524
1525         return (control_start - data_start) / 80;
1526 }
1527
1528 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm,
1529                                          struct ieee80211_vif *vif)
1530 {
1531         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1532         int ret;
1533
1534         lockdep_assert_held(&mvm->mutex);
1535
1536         ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
1537         if (ret) {
1538                 IWL_ERR(mvm, "Failed to allocate bcast sta\n");
1539                 return ret;
1540         }
1541
1542         /* Only queue for this station is the mcast queue,
1543          * which shouldn't be in TFD mask anyway
1544          */
1545         return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0,
1546                                         vif->type,
1547                                         IWL_STA_MULTICAST);
1548 }
1549
1550 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
1551                                      struct ieee80211_vif *vif)
1552 {
1553         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1554         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1555         int ret;
1556         int i;
1557
1558         mutex_lock(&mvm->mutex);
1559
1560         mvmvif->mvm = mvm;
1561
1562         /* the first link always points to the default one */
1563         mvmvif->link[0] = &mvmvif->deflink;
1564
1565         /*
1566          * Not much to do here. The stack will not allow interface
1567          * types or combinations that we didn't advertise, so we
1568          * don't really have to check the types.
1569          */
1570
1571         /* make sure that beacon statistics don't go backwards with FW reset */
1572         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1573                 for_each_mvm_vif_valid_link(mvmvif, i)
1574                         mvmvif->link[i]->beacon_stats.accu_num_beacons +=
1575                                 mvmvif->link[i]->beacon_stats.num_beacons;
1576
1577         /* Allocate resources for the MAC context, and add it to the fw  */
1578         ret = iwl_mvm_mac_ctxt_init(mvm, vif);
1579         if (ret)
1580                 goto out;
1581
1582         rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif);
1583
1584         /* Currently not much to do for NAN */
1585         if (vif->type == NL80211_IFTYPE_NAN) {
1586                 ret = 0;
1587                 goto out;
1588         }
1589
1590         /*
1591          * The AP binding flow can be done only after the beacon
1592          * template is configured (which happens only in the mac80211
1593          * start_ap() flow), and adding the broadcast station can happen
1594          * only after the binding.
1595          * In addition, since modifying the MAC before adding a bcast
1596          * station is not allowed by the FW, delay the adding of MAC context to
1597          * the point where we can also add the bcast station.
1598          * In short: there's not much we can do at this point, other than
1599          * allocating resources :)
1600          */
1601         if (vif->type == NL80211_IFTYPE_AP ||
1602             vif->type == NL80211_IFTYPE_ADHOC) {
1603                 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1604                         iwl_mvm_vif_dbgfs_add_link(mvm, vif);
1605                 ret = 0;
1606                 goto out;
1607         }
1608
1609         mvmvif->features |= hw->netdev_features;
1610
1611         ret = iwl_mvm_mac_ctxt_add(mvm, vif);
1612         if (ret)
1613                 goto out_unlock;
1614
1615         ret = iwl_mvm_power_update_mac(mvm);
1616         if (ret)
1617                 goto out_remove_mac;
1618
1619         /* beacon filtering */
1620         ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
1621         if (ret)
1622                 goto out_remove_mac;
1623
1624         if (!mvm->bf_allowed_vif &&
1625             vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
1626                 mvm->bf_allowed_vif = mvmvif;
1627                 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
1628                                      IEEE80211_VIF_SUPPORTS_CQM_RSSI;
1629         }
1630
1631         if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
1632                 mvm->p2p_device_vif = vif;
1633
1634         iwl_mvm_tcm_add_vif(mvm, vif);
1635         INIT_DELAYED_WORK(&mvmvif->csa_work,
1636                           iwl_mvm_channel_switch_disconnect_wk);
1637
1638         if (vif->type == NL80211_IFTYPE_MONITOR) {
1639                 mvm->monitor_on = true;
1640                 mvm->monitor_p80 =
1641                         iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chandef);
1642         }
1643
1644         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
1645                 iwl_mvm_vif_dbgfs_add_link(mvm, vif);
1646
1647         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
1648             vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1649             !mvm->csme_vif && mvm->mei_registered) {
1650                 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr);
1651                 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev);
1652                 mvm->csme_vif = vif;
1653         }
1654
1655 out:
1656         if (!ret && (vif->type == NL80211_IFTYPE_AP ||
1657                      vif->type == NL80211_IFTYPE_ADHOC))
1658                 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif);
1659
1660         goto out_unlock;
1661
1662  out_remove_mac:
1663         mvmvif->deflink.phy_ctxt = NULL;
1664         iwl_mvm_mac_ctxt_remove(mvm, vif);
1665  out_unlock:
1666         mutex_unlock(&mvm->mutex);
1667
1668         return ret;
1669 }
1670
1671 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
1672                                  struct ieee80211_vif *vif)
1673 {
1674         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1675                 /*
1676                  * Flush the ROC worker which will flush the OFFCHANNEL queue.
1677                  * We assume here that all the packets sent to the OFFCHANNEL
1678                  * queue are sent in ROC session.
1679                  */
1680                 flush_work(&mvm->roc_done_wk);
1681         }
1682 }
1683
1684 /* This function is doing the common part of removing the interface for
1685  * both - MLD and non-MLD modes. Returns true if removing the interface
1686  * is done
1687  */
1688 static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw,
1689                                                 struct ieee80211_vif *vif)
1690 {
1691         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1692         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1693         struct iwl_probe_resp_data *probe_data;
1694
1695         iwl_mvm_prepare_mac_removal(mvm, vif);
1696
1697         if (!(vif->type == NL80211_IFTYPE_AP ||
1698               vif->type == NL80211_IFTYPE_ADHOC))
1699                 iwl_mvm_tcm_rm_vif(mvm, vif);
1700
1701         mutex_lock(&mvm->mutex);
1702
1703         if (vif == mvm->csme_vif) {
1704                 iwl_mei_set_netdev(NULL);
1705                 mvm->csme_vif = NULL;
1706         }
1707
1708         probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data,
1709                                                lockdep_is_held(&mvm->mutex));
1710         RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL);
1711         if (probe_data)
1712                 kfree_rcu(probe_data, rcu_head);
1713
1714         if (mvm->bf_allowed_vif == mvmvif) {
1715                 mvm->bf_allowed_vif = NULL;
1716                 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
1717                                        IEEE80211_VIF_SUPPORTS_CQM_RSSI);
1718         }
1719
1720         if (vif->bss_conf.ftm_responder)
1721                 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats));
1722
1723         iwl_mvm_vif_dbgfs_rm_link(mvm, vif);
1724
1725         /*
1726          * For AP/GO interface, the tear down of the resources allocated to the
1727          * interface is be handled as part of the stop_ap flow.
1728          */
1729         if (vif->type == NL80211_IFTYPE_AP ||
1730             vif->type == NL80211_IFTYPE_ADHOC) {
1731 #ifdef CONFIG_NL80211_TESTMODE
1732                 if (vif == mvm->noa_vif) {
1733                         mvm->noa_vif = NULL;
1734                         mvm->noa_duration = 0;
1735                 }
1736 #endif
1737                 return true;
1738         }
1739
1740         iwl_mvm_power_update_mac(mvm);
1741         return false;
1742 }
1743
1744 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
1745                                          struct ieee80211_vif *vif)
1746 {
1747         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1748         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1749
1750         if (iwl_mvm_mac_remove_interface_common(hw, vif))
1751                 goto out;
1752
1753         /* Before the interface removal, mac80211 would cancel the ROC, and the
1754          * ROC worker would be scheduled if needed. The worker would be flushed
1755          * in iwl_mvm_prepare_mac_removal() and thus at this point there is no
1756          * binding etc. so nothing needs to be done here.
1757          */
1758         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
1759                 if (mvmvif->deflink.phy_ctxt) {
1760                         iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt);
1761                         mvmvif->deflink.phy_ctxt = NULL;
1762                 }
1763                 mvm->p2p_device_vif = NULL;
1764         }
1765
1766         iwl_mvm_mac_ctxt_remove(mvm, vif);
1767
1768         RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL);
1769
1770         if (vif->type == NL80211_IFTYPE_MONITOR)
1771                 mvm->monitor_on = false;
1772
1773 out:
1774         if (vif->type == NL80211_IFTYPE_AP ||
1775             vif->type == NL80211_IFTYPE_ADHOC) {
1776                 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta);
1777                 iwl_mvm_dealloc_bcast_sta(mvm, vif);
1778         }
1779
1780         mutex_unlock(&mvm->mutex);
1781 }
1782
1783 struct iwl_mvm_mc_iter_data {
1784         struct iwl_mvm *mvm;
1785         int port_id;
1786 };
1787
1788 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
1789                                       struct ieee80211_vif *vif)
1790 {
1791         struct iwl_mvm_mc_iter_data *data = _data;
1792         struct iwl_mvm *mvm = data->mvm;
1793         struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
1794         struct iwl_host_cmd hcmd = {
1795                 .id = MCAST_FILTER_CMD,
1796                 .flags = CMD_ASYNC,
1797                 .dataflags[0] = IWL_HCMD_DFL_NOCOPY,
1798         };
1799         int ret, len;
1800
1801         /* if we don't have free ports, mcast frames will be dropped */
1802         if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM))
1803                 return;
1804
1805         if (vif->type != NL80211_IFTYPE_STATION ||
1806             !vif->cfg.assoc)
1807                 return;
1808
1809         cmd->port_id = data->port_id++;
1810         memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
1811         len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
1812
1813         hcmd.len[0] = len;
1814         hcmd.data[0] = cmd;
1815
1816         ret = iwl_mvm_send_cmd(mvm, &hcmd);
1817         if (ret)
1818                 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
1819 }
1820
1821 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
1822 {
1823         struct iwl_mvm_mc_iter_data iter_data = {
1824                 .mvm = mvm,
1825         };
1826         int ret;
1827
1828         lockdep_assert_held(&mvm->mutex);
1829
1830         if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
1831                 return;
1832
1833         ieee80211_iterate_active_interfaces_atomic(
1834                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1835                 iwl_mvm_mc_iface_iterator, &iter_data);
1836
1837         /*
1838          * Send a (synchronous) ech command so that we wait for the
1839          * multiple asynchronous MCAST_FILTER_CMD commands sent by
1840          * the interface iterator. Otherwise, we might get here over
1841          * and over again (by userspace just sending a lot of these)
1842          * and the CPU can send them faster than the firmware can
1843          * process them.
1844          * Note that the CPU is still faster - but with this we'll
1845          * actually send fewer commands overall because the CPU will
1846          * not schedule the work in mac80211 as frequently if it's
1847          * still running when rescheduled (possibly multiple times).
1848          */
1849         ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
1850         if (ret)
1851                 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n");
1852 }
1853
1854 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
1855                               struct netdev_hw_addr_list *mc_list)
1856 {
1857         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1858         struct iwl_mcast_filter_cmd *cmd;
1859         struct netdev_hw_addr *addr;
1860         int addr_count;
1861         bool pass_all;
1862         int len;
1863
1864         addr_count = netdev_hw_addr_list_count(mc_list);
1865         pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES ||
1866                    IWL_MVM_FW_MCAST_FILTER_PASS_ALL;
1867         if (pass_all)
1868                 addr_count = 0;
1869
1870         len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4);
1871         cmd = kzalloc(len, GFP_ATOMIC);
1872         if (!cmd)
1873                 return 0;
1874
1875         if (pass_all) {
1876                 cmd->pass_all = 1;
1877                 return (u64)(unsigned long)cmd;
1878         }
1879
1880         netdev_hw_addr_list_for_each(addr, mc_list) {
1881                 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n",
1882                                    cmd->count, addr->addr);
1883                 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN],
1884                        addr->addr, ETH_ALEN);
1885                 cmd->count++;
1886         }
1887
1888         return (u64)(unsigned long)cmd;
1889 }
1890
1891 void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
1892                               unsigned int changed_flags,
1893                               unsigned int *total_flags, u64 multicast)
1894 {
1895         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1896         struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast;
1897
1898         mutex_lock(&mvm->mutex);
1899
1900         /* replace previous configuration */
1901         kfree(mvm->mcast_filter_cmd);
1902         mvm->mcast_filter_cmd = cmd;
1903
1904         if (!cmd)
1905                 goto out;
1906
1907         if (changed_flags & FIF_ALLMULTI)
1908                 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI);
1909
1910         if (cmd->pass_all)
1911                 cmd->count = 0;
1912
1913         iwl_mvm_recalc_multicast(mvm);
1914 out:
1915         mutex_unlock(&mvm->mutex);
1916         *total_flags = 0;
1917 }
1918
1919 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw,
1920                                         struct ieee80211_vif *vif,
1921                                         unsigned int filter_flags,
1922                                         unsigned int changed_flags)
1923 {
1924         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
1925
1926         /* We support only filter for probe requests */
1927         if (!(changed_flags & FIF_PROBE_REQ))
1928                 return;
1929
1930         /* Supported only for p2p client interfaces */
1931         if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc ||
1932             !vif->p2p)
1933                 return;
1934
1935         mutex_lock(&mvm->mutex);
1936         iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
1937         mutex_unlock(&mvm->mutex);
1938 }
1939
1940 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1941 {
1942         struct iwl_mu_group_mgmt_cmd cmd = {};
1943
1944         memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership,
1945                WLAN_MEMBERSHIP_LEN);
1946         memcpy(cmd.user_position, vif->bss_conf.mu_group.position,
1947                WLAN_USER_POSITION_LEN);
1948
1949         return iwl_mvm_send_cmd_pdu(mvm,
1950                                     WIDE_ID(DATA_PATH_GROUP,
1951                                             UPDATE_MU_GROUPS_CMD),
1952                                     0, sizeof(cmd), &cmd);
1953 }
1954
1955 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac,
1956                                            struct ieee80211_vif *vif)
1957 {
1958         if (vif->bss_conf.mu_mimo_owner) {
1959                 struct iwl_mu_group_mgmt_notif *notif = _data;
1960
1961                 /*
1962                  * MU-MIMO Group Id action frame is little endian. We treat
1963                  * the data received from firmware as if it came from the
1964                  * action frame, so no conversion is needed.
1965                  */
1966                 ieee80211_update_mu_groups(vif, 0,
1967                                            (u8 *)&notif->membership_status,
1968                                            (u8 *)&notif->user_position);
1969         }
1970 }
1971
1972 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1973                                struct iwl_rx_cmd_buffer *rxb)
1974 {
1975         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1976         struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data;
1977
1978         ieee80211_iterate_active_interfaces_atomic(
1979                         mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1980                         iwl_mvm_mu_mimo_iface_iterator, notif);
1981 }
1982
1983 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit)
1984 {
1985         u8 byte_num = ppe_pos_bit / 8;
1986         u8 bit_num = ppe_pos_bit % 8;
1987         u8 residue_bits;
1988         u8 res;
1989
1990         if (bit_num <= 5)
1991                 return (ppe[byte_num] >> bit_num) &
1992                        (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1);
1993
1994         /*
1995          * If bit_num > 5, we have to combine bits with next byte.
1996          * Calculate how many bits we need to take from current byte (called
1997          * here "residue_bits"), and add them to bits from next byte.
1998          */
1999
2000         residue_bits = 8 - bit_num;
2001
2002         res = (ppe[byte_num + 1] &
2003                (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) <<
2004               residue_bits;
2005         res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1);
2006
2007         return res;
2008 }
2009
2010 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm,
2011                               struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss,
2012                               u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit,
2013                               bool inheritance)
2014 {
2015         int i;
2016
2017         /*
2018         * FW currently supports only nss == MAX_HE_SUPP_NSS
2019         *
2020         * If nss > MAX: we can ignore values we don't support
2021         * If nss < MAX: we can set zeros in other streams
2022         */
2023         if (nss > MAX_HE_SUPP_NSS) {
2024                 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss,
2025                                MAX_HE_SUPP_NSS);
2026                 nss = MAX_HE_SUPP_NSS;
2027         }
2028
2029         for (i = 0; i < nss; i++) {
2030                 u8 ru_index_tmp = ru_index_bitmap << 1;
2031                 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE;
2032                 u8 bw;
2033
2034                 for (bw = 0;
2035                      bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
2036                      bw++) {
2037                         ru_index_tmp >>= 1;
2038
2039                         /*
2040                         * According to the 11be spec, if for a specific BW the PPE Thresholds
2041                         * isn't present - it should inherit the thresholds from the last
2042                         * BW for which we had PPE Thresholds. In 11ax though, we don't have
2043                         * this inheritance - continue in this case
2044                         */
2045                         if (!(ru_index_tmp & 1)) {
2046                                 if (inheritance)
2047                                         goto set_thresholds;
2048                                 else
2049                                         continue;
2050                         }
2051
2052                         high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit);
2053                         ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE;
2054                         low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit);
2055                         ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE;
2056
2057 set_thresholds:
2058                         pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
2059                         pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
2060                 }
2061         }
2062 }
2063
2064 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm,
2065                                             struct ieee80211_link_sta *link_sta,
2066                                             struct iwl_he_pkt_ext_v2 *pkt_ext,
2067                                             bool inheritance)
2068 {
2069         u8 nss = (link_sta->he_cap.ppe_thres[0] &
2070                   IEEE80211_PPE_THRES_NSS_MASK) + 1;
2071         u8 *ppe = &link_sta->he_cap.ppe_thres[0];
2072         u8 ru_index_bitmap =
2073                 u8_get_bits(*ppe,
2074                             IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2075         /* Starting after PPE header */
2076         u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE;
2077
2078         iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit,
2079                           inheritance);
2080 }
2081
2082 static int
2083 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext,
2084                                          u8 nominal_padding)
2085 {
2086         int low_th = -1;
2087         int high_th = -1;
2088         int i;
2089
2090         /* all the macros are the same for EHT and HE */
2091         switch (nominal_padding) {
2092         case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US:
2093                 low_th = IWL_HE_PKT_EXT_NONE;
2094                 high_th = IWL_HE_PKT_EXT_NONE;
2095                 break;
2096         case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US:
2097                 low_th = IWL_HE_PKT_EXT_BPSK;
2098                 high_th = IWL_HE_PKT_EXT_NONE;
2099                 break;
2100         case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US:
2101         case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US:
2102                 low_th = IWL_HE_PKT_EXT_NONE;
2103                 high_th = IWL_HE_PKT_EXT_BPSK;
2104                 break;
2105         }
2106
2107         if (low_th < 0 || high_th < 0)
2108                 return -EINVAL;
2109
2110         /* Set the PPE thresholds accordingly */
2111         for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2112                 u8 bw;
2113
2114                 for (bw = 0;
2115                         bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
2116                         bw++) {
2117                         pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
2118                         pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
2119                 }
2120         }
2121
2122         return 0;
2123 }
2124
2125 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext,
2126                                          u8 nominal_padding)
2127 {
2128         int i;
2129
2130         for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2131                 u8 bw;
2132
2133                 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
2134                      bw++) {
2135                         u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0];
2136
2137                         if (nominal_padding >
2138                             IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US &&
2139                             qam_th[1] == IWL_HE_PKT_EXT_NONE)
2140                                 qam_th[1] = IWL_HE_PKT_EXT_4096QAM;
2141                         else if (nominal_padding ==
2142                                  IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US &&
2143                                  qam_th[0] == IWL_HE_PKT_EXT_NONE &&
2144                                  qam_th[1] == IWL_HE_PKT_EXT_NONE)
2145                                 qam_th[0] = IWL_HE_PKT_EXT_4096QAM;
2146                 }
2147         }
2148 }
2149
2150 /* Set the pkt_ext field according to PPE Thresholds element */
2151 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm,
2152                             struct ieee80211_link_sta *link_sta,
2153                             struct iwl_he_pkt_ext_v2 *pkt_ext)
2154 {
2155         u8 nominal_padding;
2156         int i, ret = 0;
2157
2158         if (WARN_ON(!link_sta))
2159                 return -EINVAL;
2160
2161         /* Initialize the PPE thresholds to "None" (7), as described in Table
2162          * 9-262ac of 80211.ax/D3.0.
2163          */
2164         memset(pkt_ext, IWL_HE_PKT_EXT_NONE,
2165                sizeof(struct iwl_he_pkt_ext_v2));
2166
2167         if (link_sta->eht_cap.has_eht) {
2168                 nominal_padding =
2169                         u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5],
2170                                     IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK);
2171
2172                 /* If PPE Thresholds exists, parse them into a FW-familiar
2173                  * format.
2174                  */
2175                 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] &
2176                     IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2177                         u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] &
2178                                 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1;
2179                         u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0];
2180                         u8 ru_index_bitmap =
2181                                 u16_get_bits(*ppe,
2182                                              IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2183                          /* Starting after PPE header */
2184                         u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2185
2186                         iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap,
2187                                           ppe, ppe_pos_bit, true);
2188                 /* EHT PPE Thresholds doesn't exist - set the API according to
2189                  * HE PPE Tresholds
2190                  */
2191                 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] &
2192                            IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2193                         /* Even though HE Capabilities IE doesn't contain PPE
2194                          * Thresholds for BW 320Mhz, thresholds for this BW will
2195                          * be filled in with the same values as 160Mhz, due to
2196                          * the inheritance, as required.
2197                          */
2198                         iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext,
2199                                                         true);
2200
2201                         /* According to the requirements, for MCSs 12-13 the
2202                          * maximum value between HE PPE Threshold and Common
2203                          * Nominal Packet Padding needs to be taken
2204                          */
2205                         iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding);
2206
2207                 /* if PPE Thresholds doesn't present in both EHT IE and HE IE -
2208                  * take the Thresholds from Common Nominal Packet Padding field
2209                  */
2210                 } else {
2211                         ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext,
2212                                                                        nominal_padding);
2213                 }
2214         } else if (link_sta->he_cap.has_he) {
2215                 /* If PPE Thresholds exist, parse them into a FW-familiar format. */
2216                 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] &
2217                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2218                         iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext,
2219                                                         false);
2220                 /* PPE Thresholds doesn't exist - set the API PPE values
2221                  * according to Common Nominal Packet Padding field.
2222                  */
2223                 } else {
2224                         nominal_padding =
2225                                 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9],
2226                                             IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
2227                         if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED)
2228                                 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext,
2229                                                                                nominal_padding);
2230                 }
2231         }
2232
2233         for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
2234                 int bw;
2235
2236                 for (bw = 0;
2237                      bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]);
2238                      bw++) {
2239                         u8 *qam_th =
2240                                 &pkt_ext->pkt_ext_qam_th[i][bw][0];
2241
2242                         IWL_DEBUG_HT(mvm,
2243                                      "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n",
2244                                      i, bw, qam_th[0], qam_th[1]);
2245                 }
2246         }
2247         return ret;
2248 }
2249
2250 /*
2251  * This function sets the MU EDCA parameters ans returns whether MU EDCA
2252  * is enabled or not
2253  */
2254 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm,
2255                                    const struct iwl_mvm_vif_link_info *link_info,
2256                                    struct iwl_he_backoff_conf *trig_based_txf)
2257 {
2258         int i;
2259         /* Mark MU EDCA as enabled, unless none detected on some AC */
2260         bool mu_edca_enabled = true;
2261
2262         for (i = 0; i < IEEE80211_NUM_ACS; i++) {
2263                 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca =
2264                         &link_info->queue_params[i].mu_edca_param_rec;
2265                 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i);
2266
2267                 if (!link_info->queue_params[i].mu_edca) {
2268                         mu_edca_enabled = false;
2269                         break;
2270                 }
2271
2272                 trig_based_txf[ac].cwmin =
2273                         cpu_to_le16(mu_edca->ecw_min_max & 0xf);
2274                 trig_based_txf[ac].cwmax =
2275                         cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4);
2276                 trig_based_txf[ac].aifsn =
2277                         cpu_to_le16(mu_edca->aifsn & 0xf);
2278                 trig_based_txf[ac].mu_time =
2279                         cpu_to_le16(mu_edca->mu_edca_timer);
2280         }
2281
2282         return mu_edca_enabled;
2283 }
2284
2285 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
2286 {
2287         const struct ieee80211_supported_band *sband;
2288         const struct ieee80211_sta_he_cap *own_he_cap = NULL;
2289
2290         /* This capability is the same for all bands,
2291          * so take it from one of them.
2292          */
2293         sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
2294         own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
2295
2296         return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] &
2297                                IEEE80211_HE_MAC_CAP2_ACK_EN));
2298 }
2299
2300 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta,
2301                                  struct ieee80211_link_sta *link_sta)
2302 {
2303         u8 *mac_cap_info =
2304                 &link_sta->he_cap.he_cap_elem.mac_cap_info[0];
2305         __le32 htc_flags = 0;
2306
2307         if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
2308                 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT);
2309         if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) ||
2310             (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) {
2311                 u8 link_adap =
2312                         ((mac_cap_info[2] &
2313                           IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) +
2314                          (mac_cap_info[1] &
2315                           IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION);
2316
2317                 if (link_adap == 2)
2318                         htc_flags |=
2319                                 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED);
2320                 else if (link_adap == 3)
2321                         htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH);
2322         }
2323         if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
2324                 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP);
2325         if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
2326                 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP);
2327         if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
2328                 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP);
2329
2330         return htc_flags;
2331 }
2332
2333 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
2334                                struct ieee80211_vif *vif, u8 sta_id)
2335 {
2336         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2337         struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = {
2338                 .sta_id = sta_id,
2339                 .tid_limit = IWL_MAX_TID_COUNT,
2340                 .bss_color = vif->bss_conf.he_bss_color.color,
2341                 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext,
2342                 .frame_time_rts_th =
2343                         cpu_to_le16(vif->bss_conf.frame_time_rts_th),
2344         };
2345         struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {};
2346         u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD);
2347         u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2);
2348         int size;
2349         struct ieee80211_sta *sta;
2350         u32 flags;
2351         int i;
2352         void *cmd;
2353
2354         if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE))
2355                 ver = 1;
2356
2357         switch (ver) {
2358         case 1:
2359                 /* same layout as v2 except some data at the end */
2360                 cmd = &sta_ctxt_cmd_v2;
2361                 size = sizeof(struct iwl_he_sta_context_cmd_v1);
2362                 break;
2363         case 2:
2364                 cmd = &sta_ctxt_cmd_v2;
2365                 size = sizeof(struct iwl_he_sta_context_cmd_v2);
2366                 break;
2367         case 3:
2368                 cmd = &sta_ctxt_cmd;
2369                 size = sizeof(struct iwl_he_sta_context_cmd_v3);
2370                 break;
2371         default:
2372                 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver);
2373                 return;
2374         }
2375
2376         rcu_read_lock();
2377
2378         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]);
2379         if (IS_ERR_OR_NULL(sta)) {
2380                 rcu_read_unlock();
2381                 WARN(1, "Can't find STA to configure HE\n");
2382                 return;
2383         }
2384
2385         if (!sta->deflink.he_cap.has_he) {
2386                 rcu_read_unlock();
2387                 return;
2388         }
2389
2390         flags = 0;
2391
2392         /* Block 26-tone RU OFDMA transmissions */
2393         if (mvmvif->deflink.he_ru_2mhz_block)
2394                 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK;
2395
2396         /* HTC flags */
2397         sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink);
2398
2399         /* PPE Thresholds */
2400         if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext))
2401                 flags |= STA_CTXT_HE_PACKET_EXT;
2402
2403         if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] &
2404             IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP)
2405                 flags |= STA_CTXT_HE_32BIT_BA_BITMAP;
2406
2407         if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] &
2408             IEEE80211_HE_MAC_CAP2_ACK_EN)
2409                 flags |= STA_CTXT_HE_ACK_ENABLED;
2410
2411         rcu_read_unlock();
2412
2413         if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink,
2414                                           &sta_ctxt_cmd.trig_based_txf[0]))
2415                 flags |= STA_CTXT_HE_MU_EDCA_CW;
2416
2417         if (vif->bss_conf.uora_exists) {
2418                 flags |= STA_CTXT_HE_TRIG_RND_ALLOC;
2419
2420                 sta_ctxt_cmd.rand_alloc_ecwmin =
2421                         vif->bss_conf.uora_ocw_range & 0x7;
2422                 sta_ctxt_cmd.rand_alloc_ecwmax =
2423                         (vif->bss_conf.uora_ocw_range >> 3) & 0x7;
2424         }
2425
2426         if (!iwl_mvm_is_nic_ack_enabled(mvm, vif))
2427                 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED;
2428
2429         if (vif->bss_conf.nontransmitted) {
2430                 flags |= STA_CTXT_HE_REF_BSSID_VALID;
2431                 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr,
2432                                 vif->bss_conf.transmitter_bssid);
2433                 sta_ctxt_cmd.max_bssid_indicator =
2434                         vif->bss_conf.bssid_indicator;
2435                 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index;
2436                 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap;
2437                 sta_ctxt_cmd.profile_periodicity =
2438                         vif->bss_conf.profile_periodicity;
2439         }
2440
2441         sta_ctxt_cmd.flags = cpu_to_le32(flags);
2442
2443         if (ver < 3) {
2444                 /* fields before pkt_ext */
2445                 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) !=
2446                              offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext));
2447                 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd,
2448                        offsetof(typeof(sta_ctxt_cmd), pkt_ext));
2449
2450                 /* pkt_ext */
2451                 for (i = 0;
2452                      i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th);
2453                      i++) {
2454                         u8 bw;
2455
2456                         for (bw = 0;
2457                              bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]);
2458                              bw++) {
2459                                 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) !=
2460                                              sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw]));
2461
2462                                 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw],
2463                                        &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw],
2464                                        sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]));
2465                         }
2466                 }
2467
2468                 /* fields after pkt_ext */
2469                 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) -
2470                              offsetofend(typeof(sta_ctxt_cmd), pkt_ext) !=
2471                              sizeof(sta_ctxt_cmd_v2) -
2472                              offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext));
2473                 memcpy((u8 *)&sta_ctxt_cmd_v2 +
2474                                 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext),
2475                        (u8 *)&sta_ctxt_cmd +
2476                                 offsetofend(typeof(sta_ctxt_cmd), pkt_ext),
2477                        sizeof(sta_ctxt_cmd) -
2478                                 offsetofend(typeof(sta_ctxt_cmd), pkt_ext));
2479                 sta_ctxt_cmd_v2.reserved3 = 0;
2480         }
2481
2482         if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd))
2483                 IWL_ERR(mvm, "Failed to config FW to work HE!\n");
2484 }
2485
2486 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2487                            u32 duration_override, unsigned int link_id)
2488 {
2489         u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
2490         u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS;
2491
2492         if (duration_override > duration)
2493                 duration = duration_override;
2494
2495         /* Try really hard to protect the session and hear a beacon
2496          * The new session protection command allows us to protect the
2497          * session for a much longer time since the firmware will internally
2498          * create two events: a 300TU one with a very high priority that
2499          * won't be fragmented which should be enough for 99% of the cases,
2500          * and another one (which we configure here to be 900TU long) which
2501          * will have a slightly lower priority, but more importantly, can be
2502          * fragmented so that it'll allow other activities to run.
2503          */
2504         if (fw_has_capa(&mvm->fw->ucode_capa,
2505                         IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD))
2506                 iwl_mvm_schedule_session_protection(mvm, vif, 900,
2507                                                     min_duration, false,
2508                                                     link_id);
2509         else
2510                 iwl_mvm_protect_session(mvm, vif, duration,
2511                                         min_duration, 500, false);
2512 }
2513
2514 /* Handle association common part to MLD and non-MLD modes */
2515 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm,
2516                                             struct ieee80211_vif *vif,
2517                                             u64 changes)
2518 {
2519         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2520         int ret;
2521
2522         /* The firmware tracks the MU-MIMO group on its own.
2523          * However, on HW restart we should restore this data.
2524          */
2525         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
2526             (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) {
2527                 ret = iwl_mvm_update_mu_groups(mvm, vif);
2528                 if (ret)
2529                         IWL_ERR(mvm,
2530                                 "failed to update VHT MU_MIMO groups\n");
2531         }
2532
2533         iwl_mvm_recalc_multicast(mvm);
2534
2535         /* reset rssi values */
2536         mvmvif->bf_data.ave_beacon_signal = 0;
2537
2538         iwl_mvm_bt_coex_vif_change(mvm);
2539         iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT,
2540                                             IEEE80211_SMPS_AUTOMATIC);
2541         if (fw_has_capa(&mvm->fw->ucode_capa,
2542                         IWL_UCODE_TLV_CAPA_UMAC_SCAN))
2543                 iwl_mvm_config_scan(mvm);
2544 }
2545
2546 /* Execute the common part for MLD and non-MLD modes */
2547 void
2548 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm,
2549                                         struct ieee80211_vif *vif,
2550                                         struct ieee80211_bss_conf *link_conf,
2551                                         u64 changes)
2552 {
2553         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2554         int ret;
2555
2556         if (changes & BSS_CHANGED_BEACON_INFO) {
2557                 /* We received a beacon from the associated AP so
2558                  * remove the session protection.
2559                  */
2560                 iwl_mvm_stop_session_protection(mvm, vif);
2561
2562                 iwl_mvm_sf_update(mvm, vif, false);
2563                 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
2564         }
2565
2566         if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS |
2567                        /* Send power command on every beacon change,
2568                         * because we may have not enabled beacon abort yet.
2569                         */
2570                        BSS_CHANGED_BEACON_INFO)) {
2571                 ret = iwl_mvm_power_update_mac(mvm);
2572                 if (ret)
2573                         IWL_ERR(mvm, "failed to update power mode\n");
2574         }
2575
2576         if (changes & BSS_CHANGED_CQM) {
2577                 IWL_DEBUG_MAC80211(mvm, "cqm info_changed\n");
2578                 /* reset cqm events tracking */
2579                 mvmvif->bf_data.last_cqm_event = 0;
2580                 if (mvmvif->bf_data.bf_enabled) {
2581                         /* FIXME: need to update per link when FW API will
2582                          * support it
2583                          */
2584                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
2585                         if (ret)
2586                                 IWL_ERR(mvm,
2587                                         "failed to update CQM thresholds\n");
2588                 }
2589         }
2590
2591         if (changes & BSS_CHANGED_BANDWIDTH)
2592                 iwl_mvm_update_link_smps(vif, link_conf);
2593 }
2594
2595 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
2596                                              struct ieee80211_vif *vif,
2597                                              struct ieee80211_bss_conf *bss_conf,
2598                                              u64 changes)
2599 {
2600         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2601         int ret;
2602         int i;
2603
2604         /*
2605          * Re-calculate the tsf id, as the leader-follower relations depend
2606          * on the beacon interval, which was not known when the station
2607          * interface was added.
2608          */
2609         if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) {
2610                 if ((vif->bss_conf.he_support &&
2611                      !iwlwifi_mod_params.disable_11ax) ||
2612                     (vif->bss_conf.eht_support &&
2613                      !iwlwifi_mod_params.disable_11be))
2614                         iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id);
2615
2616                 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2617         }
2618
2619         /* Update MU EDCA params */
2620         if (changes & BSS_CHANGED_QOS && mvmvif->associated &&
2621             vif->cfg.assoc &&
2622             ((vif->bss_conf.he_support &&
2623               !iwlwifi_mod_params.disable_11ax) ||
2624              (vif->bss_conf.eht_support &&
2625               !iwlwifi_mod_params.disable_11be)))
2626                 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id);
2627
2628         /*
2629          * If we're not associated yet, take the (new) BSSID before associating
2630          * so the firmware knows. If we're already associated, then use the old
2631          * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
2632          * branch for disassociation below.
2633          */
2634         if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
2635                 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN);
2636
2637         ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid);
2638         if (ret)
2639                 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
2640
2641         /* after sending it once, adopt mac80211 data */
2642         memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN);
2643         mvmvif->associated = vif->cfg.assoc;
2644
2645         if (changes & BSS_CHANGED_ASSOC) {
2646                 if (vif->cfg.assoc) {
2647                         /* clear statistics to get clean beacon counter */
2648                         iwl_mvm_request_statistics(mvm, true);
2649                         for_each_mvm_vif_valid_link(mvmvif, i)
2650                                 memset(&mvmvif->link[i]->beacon_stats, 0,
2651                                        sizeof(mvmvif->link[i]->beacon_stats));
2652
2653                         /* add quota for this interface */
2654                         ret = iwl_mvm_update_quotas(mvm, true, NULL);
2655                         if (ret) {
2656                                 IWL_ERR(mvm, "failed to update quotas\n");
2657                                 return;
2658                         }
2659
2660                         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2661                                      &mvm->status) &&
2662                             !fw_has_capa(&mvm->fw->ucode_capa,
2663                                          IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) {
2664                                 /*
2665                                  * If we're restarting then the firmware will
2666                                  * obviously have lost synchronisation with
2667                                  * the AP. It will attempt to synchronise by
2668                                  * itself, but we can make it more reliable by
2669                                  * scheduling a session protection time event.
2670                                  *
2671                                  * The firmware needs to receive a beacon to
2672                                  * catch up with synchronisation, use 110% of
2673                                  * the beacon interval.
2674                                  *
2675                                  * Set a large maximum delay to allow for more
2676                                  * than a single interface.
2677                                  *
2678                                  * For new firmware versions, rely on the
2679                                  * firmware. This is relevant for DCM scenarios
2680                                  * only anyway.
2681                                  */
2682                                 u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
2683                                 iwl_mvm_protect_session(mvm, vif, dur, dur,
2684                                                         5 * dur, false);
2685                         } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2686                                              &mvm->status) &&
2687                                    !vif->bss_conf.dtim_period) {
2688                                 /*
2689                                  * If we're not restarting and still haven't
2690                                  * heard a beacon (dtim period unknown) then
2691                                  * make sure we still have enough minimum time
2692                                  * remaining in the time event, since the auth
2693                                  * might actually have taken quite a while
2694                                  * (especially for SAE) and so the remaining
2695                                  * time could be small without us having heard
2696                                  * a beacon yet.
2697                                  */
2698                                 iwl_mvm_protect_assoc(mvm, vif, 0, 0);
2699                         }
2700
2701                         iwl_mvm_sf_update(mvm, vif, false);
2702                         iwl_mvm_power_vif_assoc(mvm, vif);
2703                         if (vif->p2p) {
2704                                 iwl_mvm_update_smps(mvm, vif,
2705                                                     IWL_MVM_SMPS_REQ_PROT,
2706                                                     IEEE80211_SMPS_DYNAMIC, 0);
2707                         }
2708                 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) {
2709                         iwl_mvm_mei_host_disassociated(mvm);
2710                         /*
2711                          * If update fails - SF might be running in associated
2712                          * mode while disassociated - which is forbidden.
2713                          */
2714                         ret = iwl_mvm_sf_update(mvm, vif, false);
2715                         WARN_ONCE(ret &&
2716                                   !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
2717                                             &mvm->status),
2718                                   "Failed to update SF upon disassociation\n");
2719
2720                         /*
2721                          * If we get an assert during the connection (after the
2722                          * station has been added, but before the vif is set
2723                          * to associated), mac80211 will re-add the station and
2724                          * then configure the vif. Since the vif is not
2725                          * associated, we would remove the station here and
2726                          * this would fail the recovery.
2727                          */
2728                         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
2729                                       &mvm->status)) {
2730                                 /* first remove remaining keys */
2731                                 iwl_mvm_sec_key_remove_ap(mvm, vif,
2732                                                           &mvmvif->deflink, 0);
2733
2734                                 /*
2735                                  * Remove AP station now that
2736                                  * the MAC is unassoc
2737                                  */
2738                                 ret = iwl_mvm_rm_sta_id(mvm, vif,
2739                                                         mvmvif->deflink.ap_sta_id);
2740                                 if (ret)
2741                                         IWL_ERR(mvm,
2742                                                 "failed to remove AP station\n");
2743
2744                                 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA;
2745                         }
2746
2747                         /* remove quota for this interface */
2748                         ret = iwl_mvm_update_quotas(mvm, false, NULL);
2749                         if (ret)
2750                                 IWL_ERR(mvm, "failed to update quotas\n");
2751
2752                         /* this will take the cleared BSSID from bss_conf */
2753                         ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
2754                         if (ret)
2755                                 IWL_ERR(mvm,
2756                                         "failed to update MAC %pM (clear after unassoc)\n",
2757                                         vif->addr);
2758                 }
2759
2760                 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes);
2761         }
2762
2763         iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf,
2764                                                 changes);
2765 }
2766
2767 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw,
2768                                   struct ieee80211_vif *vif,
2769                                   int *ret)
2770 {
2771         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2772         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2773         int i;
2774
2775         lockdep_assert_held(&mvm->mutex);
2776
2777         mvmvif->ap_assoc_sta_count = 0;
2778
2779         /* must be set before quota calculations */
2780         mvmvif->ap_ibss_active = true;
2781
2782         /* send all the early keys to the device now */
2783         for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) {
2784                 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i];
2785
2786                 if (!key)
2787                         continue;
2788
2789                 mvmvif->ap_early_keys[i] = NULL;
2790
2791                 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key);
2792                 if (*ret)
2793                         return true;
2794         }
2795
2796         if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) {
2797                 iwl_mvm_vif_set_low_latency(mvmvif, true,
2798                                             LOW_LATENCY_VIF_TYPE);
2799                 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id);
2800         }
2801
2802         /* power updated needs to be done before quotas */
2803         iwl_mvm_power_update_mac(mvm);
2804
2805         return false;
2806 }
2807
2808 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
2809                                  struct ieee80211_vif *vif,
2810                                  struct ieee80211_bss_conf *link_conf)
2811 {
2812         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2813         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2814         int ret;
2815
2816         mutex_lock(&mvm->mutex);
2817
2818         /*
2819          * Re-calculate the tsf id, as the leader-follower relations depend on
2820          * the beacon interval, which was not known when the AP interface
2821          * was added.
2822          */
2823         if (vif->type == NL80211_IFTYPE_AP)
2824                 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
2825
2826         /* For older devices need to send beacon template before adding mac
2827          * context. For the newer, the beacon is a resource that belongs to a
2828          * MAC, so need to send beacon template after adding the mac.
2829          */
2830         if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) {
2831                 /* Add the mac context */
2832                 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2833                 if (ret)
2834                         goto out_unlock;
2835
2836                 /* Send the beacon template */
2837                 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf);
2838                 if (ret)
2839                         goto out_unlock;
2840         } else {
2841                 /* Send the beacon template */
2842                 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf);
2843                 if (ret)
2844                         goto out_unlock;
2845
2846                 /* Add the mac context */
2847                 ret = iwl_mvm_mac_ctxt_add(mvm, vif);
2848                 if (ret)
2849                         goto out_unlock;
2850         }
2851
2852         /* Perform the binding */
2853         ret = iwl_mvm_binding_add_vif(mvm, vif);
2854         if (ret)
2855                 goto out_remove;
2856
2857         /*
2858          * This is not very nice, but the simplest:
2859          * For older FWs adding the mcast sta before the bcast station may
2860          * cause assert 0x2b00.
2861          * This is fixed in later FW so make the order of removal depend on
2862          * the TLV
2863          */
2864         if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) {
2865                 ret = iwl_mvm_add_mcast_sta(mvm, vif);
2866                 if (ret)
2867                         goto out_unbind;
2868                 /*
2869                  * Send the bcast station. At this stage the TBTT and DTIM time
2870                  * events are added and applied to the scheduler
2871                  */
2872                 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
2873                 if (ret) {
2874                         iwl_mvm_rm_mcast_sta(mvm, vif);
2875                         goto out_unbind;
2876                 }
2877         } else {
2878                 /*
2879                  * Send the bcast station. At this stage the TBTT and DTIM time
2880                  * events are added and applied to the scheduler
2881                  */
2882                 ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
2883                 if (ret)
2884                         goto out_unbind;
2885                 ret = iwl_mvm_add_mcast_sta(mvm, vif);
2886                 if (ret) {
2887                         iwl_mvm_send_rm_bcast_sta(mvm, vif);
2888                         goto out_unbind;
2889                 }
2890         }
2891
2892         if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret))
2893                 goto out_failed;
2894
2895         ret = iwl_mvm_update_quotas(mvm, false, NULL);
2896         if (ret)
2897                 goto out_failed;
2898
2899         /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2900         if (vif->p2p && mvm->p2p_device_vif)
2901                 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
2902
2903         iwl_mvm_bt_coex_vif_change(mvm);
2904
2905         /* we don't support TDLS during DCM */
2906         if (iwl_mvm_phy_ctx_count(mvm) > 1)
2907                 iwl_mvm_teardown_tdls_peers(mvm);
2908
2909         iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf);
2910
2911         goto out_unlock;
2912
2913 out_failed:
2914         iwl_mvm_power_update_mac(mvm);
2915         mvmvif->ap_ibss_active = false;
2916         iwl_mvm_send_rm_bcast_sta(mvm, vif);
2917         iwl_mvm_rm_mcast_sta(mvm, vif);
2918 out_unbind:
2919         iwl_mvm_binding_remove_vif(mvm, vif);
2920 out_remove:
2921         iwl_mvm_mac_ctxt_remove(mvm, vif);
2922 out_unlock:
2923         mutex_unlock(&mvm->mutex);
2924         return ret;
2925 }
2926
2927 static int iwl_mvm_start_ap(struct ieee80211_hw *hw,
2928                             struct ieee80211_vif *vif,
2929                             struct ieee80211_bss_conf *link_conf)
2930 {
2931         return iwl_mvm_start_ap_ibss(hw, vif, link_conf);
2932 }
2933
2934 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw,
2935                               struct ieee80211_vif *vif)
2936 {
2937         return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf);
2938 }
2939
2940 /* Common part for MLD and non-MLD ops */
2941 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm,
2942                                  struct ieee80211_vif *vif)
2943 {
2944         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
2945
2946         lockdep_assert_held(&mvm->mutex);
2947
2948         iwl_mvm_prepare_mac_removal(mvm, vif);
2949
2950         /* Handle AP stop while in CSA */
2951         if (rcu_access_pointer(mvm->csa_vif) == vif) {
2952                 iwl_mvm_remove_time_event(mvm, mvmvif,
2953                                           &mvmvif->time_event_data);
2954                 RCU_INIT_POINTER(mvm->csa_vif, NULL);
2955                 mvmvif->csa_countdown = false;
2956         }
2957
2958         if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
2959                 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
2960                 mvm->csa_tx_block_bcn_timeout = 0;
2961         }
2962
2963         mvmvif->ap_ibss_active = false;
2964         mvm->ap_last_beacon_gp2 = 0;
2965
2966         if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) {
2967                 iwl_mvm_vif_set_low_latency(mvmvif, false,
2968                                             LOW_LATENCY_VIF_TYPE);
2969                 iwl_mvm_send_low_latency_cmd(mvm, false,  mvmvif->id);
2970         }
2971
2972         iwl_mvm_bt_coex_vif_change(mvm);
2973 }
2974
2975 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
2976                                  struct ieee80211_vif *vif,
2977                                  struct ieee80211_bss_conf *link_conf)
2978 {
2979         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
2980
2981         mutex_lock(&mvm->mutex);
2982
2983         iwl_mvm_stop_ap_ibss_common(mvm, vif);
2984
2985         /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
2986         if (vif->p2p && mvm->p2p_device_vif)
2987                 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
2988
2989         iwl_mvm_update_quotas(mvm, false, NULL);
2990
2991         iwl_mvm_ftm_responder_clear(mvm, vif);
2992
2993         /*
2994          * This is not very nice, but the simplest:
2995          * For older FWs removing the mcast sta before the bcast station may
2996          * cause assert 0x2b00.
2997          * This is fixed in later FW (which will stop beaconing when removing
2998          * bcast station).
2999          * So make the order of removal depend on the TLV
3000          */
3001         if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE))
3002                 iwl_mvm_rm_mcast_sta(mvm, vif);
3003         iwl_mvm_send_rm_bcast_sta(mvm, vif);
3004         if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE))
3005                 iwl_mvm_rm_mcast_sta(mvm, vif);
3006         iwl_mvm_binding_remove_vif(mvm, vif);
3007
3008         iwl_mvm_power_update_mac(mvm);
3009
3010         iwl_mvm_mac_ctxt_remove(mvm, vif);
3011
3012         mutex_unlock(&mvm->mutex);
3013 }
3014
3015 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw,
3016                             struct ieee80211_vif *vif,
3017                             struct ieee80211_bss_conf *link_conf)
3018 {
3019         iwl_mvm_stop_ap_ibss(hw, vif, link_conf);
3020 }
3021
3022 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw,
3023                               struct ieee80211_vif *vif)
3024 {
3025         iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf);
3026 }
3027
3028 static void
3029 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
3030                                  struct ieee80211_vif *vif,
3031                                  struct ieee80211_bss_conf *bss_conf,
3032                                  u64 changes)
3033 {
3034         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3035
3036         /* Changes will be applied when the AP/IBSS is started */
3037         if (!mvmvif->ap_ibss_active)
3038                 return;
3039
3040         if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
3041                        BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
3042             iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
3043                 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
3044
3045         /* Need to send a new beacon template to the FW */
3046         if (changes & BSS_CHANGED_BEACON &&
3047             iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf))
3048                 IWL_WARN(mvm, "Failed updating beacon data\n");
3049
3050         if (changes & BSS_CHANGED_FTM_RESPONDER) {
3051                 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf);
3052
3053                 if (ret)
3054                         IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n",
3055                                  ret);
3056         }
3057
3058 }
3059
3060 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
3061                                      struct ieee80211_vif *vif,
3062                                      struct ieee80211_bss_conf *bss_conf,
3063                                      u64 changes)
3064 {
3065         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3066
3067         mutex_lock(&mvm->mutex);
3068
3069         if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle)
3070                 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true);
3071
3072         switch (vif->type) {
3073         case NL80211_IFTYPE_STATION:
3074                 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes);
3075                 break;
3076         case NL80211_IFTYPE_AP:
3077         case NL80211_IFTYPE_ADHOC:
3078                 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes);
3079                 break;
3080         case NL80211_IFTYPE_MONITOR:
3081                 if (changes & BSS_CHANGED_MU_GROUPS)
3082                         iwl_mvm_update_mu_groups(mvm, vif);
3083                 break;
3084         default:
3085                 /* shouldn't happen */
3086                 WARN_ON_ONCE(1);
3087         }
3088
3089         if (changes & BSS_CHANGED_TXPOWER) {
3090                 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n",
3091                                 bss_conf->txpower);
3092                 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
3093         }
3094
3095         mutex_unlock(&mvm->mutex);
3096 }
3097
3098 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
3099                         struct ieee80211_scan_request *hw_req)
3100 {
3101         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3102         int ret;
3103
3104         if (hw_req->req.n_channels == 0 ||
3105             hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
3106                 return -EINVAL;
3107
3108         mutex_lock(&mvm->mutex);
3109         ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies);
3110         mutex_unlock(&mvm->mutex);
3111
3112         return ret;
3113 }
3114
3115 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw,
3116                                 struct ieee80211_vif *vif)
3117 {
3118         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3119
3120         mutex_lock(&mvm->mutex);
3121
3122         /* Due to a race condition, it's possible that mac80211 asks
3123          * us to stop a hw_scan when it's already stopped.  This can
3124          * happen, for instance, if we stopped the scan ourselves,
3125          * called ieee80211_scan_completed() and the userspace called
3126          * cancel scan scan before ieee80211_scan_work() could run.
3127          * To handle that, simply return if the scan is not running.
3128         */
3129         if (mvm->scan_status & IWL_MVM_SCAN_REGULAR)
3130                 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true);
3131
3132         mutex_unlock(&mvm->mutex);
3133 }
3134
3135 void
3136 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw,
3137                                   struct ieee80211_sta *sta, u16 tids,
3138                                   int num_frames,
3139                                   enum ieee80211_frame_release_type reason,
3140                                   bool more_data)
3141 {
3142         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3143
3144         /* Called when we need to transmit (a) frame(s) from mac80211 */
3145
3146         iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
3147                                           tids, more_data, false);
3148 }
3149
3150 void
3151 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw,
3152                                     struct ieee80211_sta *sta, u16 tids,
3153                                     int num_frames,
3154                                     enum ieee80211_frame_release_type reason,
3155                                     bool more_data)
3156 {
3157         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3158
3159         /* Called when we need to transmit (a) frame(s) from agg or dqa queue */
3160
3161         iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames,
3162                                           tids, more_data, true);
3163 }
3164
3165 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
3166                                      enum sta_notify_cmd cmd,
3167                                      struct ieee80211_sta *sta)
3168 {
3169         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3170         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3171         unsigned long txqs = 0, tids = 0;
3172         int tid;
3173
3174         /*
3175          * If we have TVQM then we get too high queue numbers - luckily
3176          * we really shouldn't get here with that because such hardware
3177          * should have firmware supporting buffer station offload.
3178          */
3179         if (WARN_ON(iwl_mvm_has_new_tx_api(mvm)))
3180                 return;
3181
3182         spin_lock_bh(&mvmsta->lock);
3183         for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) {
3184                 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
3185
3186                 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE)
3187                         continue;
3188
3189                 __set_bit(tid_data->txq_id, &txqs);
3190
3191                 if (iwl_mvm_tid_queued(mvm, tid_data) == 0)
3192                         continue;
3193
3194                 __set_bit(tid, &tids);
3195         }
3196
3197         switch (cmd) {
3198         case STA_NOTIFY_SLEEP:
3199                 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
3200                         ieee80211_sta_set_buffered(sta, tid, true);
3201
3202                 if (txqs)
3203                         iwl_trans_freeze_txq_timer(mvm->trans, txqs, true);
3204                 /*
3205                  * The fw updates the STA to be asleep. Tx packets on the Tx
3206                  * queues to this station will not be transmitted. The fw will
3207                  * send a Tx response with TX_STATUS_FAIL_DEST_PS.
3208                  */
3209                 break;
3210         case STA_NOTIFY_AWAKE:
3211                 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA))
3212                         break;
3213
3214                 if (txqs)
3215                         iwl_trans_freeze_txq_timer(mvm->trans, txqs, false);
3216                 iwl_mvm_sta_modify_ps_wake(mvm, sta);
3217                 break;
3218         default:
3219                 break;
3220         }
3221         spin_unlock_bh(&mvmsta->lock);
3222 }
3223
3224 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
3225                             enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
3226 {
3227         __iwl_mvm_mac_sta_notify(hw, cmd, sta);
3228 }
3229
3230 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
3231 {
3232         struct iwl_rx_packet *pkt = rxb_addr(rxb);
3233         struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data;
3234         struct ieee80211_sta *sta;
3235         struct iwl_mvm_sta *mvmsta;
3236         bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE);
3237
3238         if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations))
3239                 return;
3240
3241         rcu_read_lock();
3242         sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]);
3243         if (WARN_ON(IS_ERR_OR_NULL(sta))) {
3244                 rcu_read_unlock();
3245                 return;
3246         }
3247
3248         mvmsta = iwl_mvm_sta_from_mac80211(sta);
3249
3250         if (!mvmsta->vif ||
3251             mvmsta->vif->type != NL80211_IFTYPE_AP) {
3252                 rcu_read_unlock();
3253                 return;
3254         }
3255
3256         if (mvmsta->sleeping != sleeping) {
3257                 mvmsta->sleeping = sleeping;
3258                 __iwl_mvm_mac_sta_notify(mvm->hw,
3259                         sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE,
3260                         sta);
3261                 ieee80211_sta_ps_transition(sta, sleeping);
3262         }
3263
3264         if (sleeping) {
3265                 switch (notif->type) {
3266                 case IWL_MVM_PM_EVENT_AWAKE:
3267                 case IWL_MVM_PM_EVENT_ASLEEP:
3268                         break;
3269                 case IWL_MVM_PM_EVENT_UAPSD:
3270                         ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS);
3271                         break;
3272                 case IWL_MVM_PM_EVENT_PS_POLL:
3273                         ieee80211_sta_pspoll(sta);
3274                         break;
3275                 default:
3276                         break;
3277                 }
3278         }
3279
3280         rcu_read_unlock();
3281 }
3282
3283 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw,
3284                                 struct ieee80211_vif *vif,
3285                                 struct ieee80211_sta *sta)
3286 {
3287         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3288         struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3289         unsigned int link_id;
3290
3291         /*
3292          * This is called before mac80211 does RCU synchronisation,
3293          * so here we already invalidate our internal RCU-protected
3294          * station pointer. The rest of the code will thus no longer
3295          * be able to find the station this way, and we don't rely
3296          * on further RCU synchronisation after the sta_state()
3297          * callback deleted the station.
3298          * Since there's mvm->mutex here, no need to have RCU lock for
3299          * mvm_sta->link access.
3300          */
3301         mutex_lock(&mvm->mutex);
3302         for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) {
3303                 struct iwl_mvm_link_sta *link_sta;
3304                 u32 sta_id;
3305
3306                 if (!mvm_sta->link[link_id])
3307                         continue;
3308
3309                 link_sta = rcu_dereference_protected(mvm_sta->link[link_id],
3310                                                      lockdep_is_held(&mvm->mutex));
3311                 sta_id = link_sta->sta_id;
3312                 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) {
3313                         RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id],
3314                                          ERR_PTR(-ENOENT));
3315                         RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL);
3316                 }
3317         }
3318         mutex_unlock(&mvm->mutex);
3319 }
3320
3321 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
3322                                 const u8 *bssid)
3323 {
3324         int i;
3325
3326         if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
3327                 struct iwl_mvm_tcm_mac *mdata;
3328
3329                 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id];
3330                 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate);
3331                 mdata->opened_rx_ba_sessions = false;
3332         }
3333
3334         if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT))
3335                 return;
3336
3337         if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) {
3338                 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
3339                 return;
3340         }
3341
3342         if (!vif->p2p &&
3343             (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) {
3344                 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
3345                 return;
3346         }
3347
3348         for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) {
3349                 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) {
3350                         vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
3351                         return;
3352                 }
3353         }
3354
3355         vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
3356 }
3357
3358 static void
3359 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
3360                            struct ieee80211_vif *vif, u8 *peer_addr,
3361                            enum nl80211_tdls_operation action)
3362 {
3363         struct iwl_fw_dbg_trigger_tlv *trig;
3364         struct iwl_fw_dbg_trigger_tdls *tdls_trig;
3365
3366         trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
3367                                      FW_DBG_TRIGGER_TDLS);
3368         if (!trig)
3369                 return;
3370
3371         tdls_trig = (void *)trig->data;
3372
3373         if (!(tdls_trig->action_bitmap & BIT(action)))
3374                 return;
3375
3376         if (tdls_trig->peer_mode &&
3377             memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
3378                 return;
3379
3380         iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
3381                                 "TDLS event occurred, peer %pM, action %d",
3382                                 peer_addr, action);
3383 }
3384
3385 struct iwl_mvm_he_obss_narrow_bw_ru_data {
3386         bool tolerated;
3387 };
3388
3389 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
3390                                                     struct cfg80211_bss *bss,
3391                                                     void *_data)
3392 {
3393         struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data;
3394         const struct cfg80211_bss_ies *ies;
3395         const struct element *elem;
3396
3397         rcu_read_lock();
3398         ies = rcu_dereference(bss->ies);
3399         elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data,
3400                                   ies->len);
3401
3402         if (!elem || elem->datalen < 10 ||
3403             !(elem->data[10] &
3404               WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) {
3405                 data->tolerated = false;
3406         }
3407         rcu_read_unlock();
3408 }
3409
3410 static void
3411 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
3412                                    struct ieee80211_vif *vif,
3413                                    unsigned int link_id,
3414                                    struct ieee80211_bss_conf *link_conf)
3415 {
3416         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3417         struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = {
3418                 .tolerated = true,
3419         };
3420
3421         if (WARN_ON_ONCE(!link_conf->chandef.chan ||
3422                          !mvmvif->link[link_id]))
3423                 return;
3424
3425         if (!(link_conf->chandef.chan->flags & IEEE80211_CHAN_RADAR)) {
3426                 mvmvif->link[link_id]->he_ru_2mhz_block = false;
3427                 return;
3428         }
3429
3430         cfg80211_bss_iter(hw->wiphy, &link_conf->chandef,
3431                           iwl_mvm_check_he_obss_narrow_bw_ru_iter,
3432                           &iter_data);
3433
3434         /*
3435          * If there is at least one AP on radar channel that cannot
3436          * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU.
3437          */
3438         mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated;
3439 }
3440
3441 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm,
3442                                                struct ieee80211_vif *vif)
3443 {
3444         struct ieee80211_supported_band *sband;
3445         const struct ieee80211_sta_he_cap *he_cap;
3446
3447         if (vif->type != NL80211_IFTYPE_STATION)
3448                 return;
3449
3450         if (!mvm->cca_40mhz_workaround)
3451                 return;
3452
3453         /* decrement and check that we reached zero */
3454         mvm->cca_40mhz_workaround--;
3455         if (mvm->cca_40mhz_workaround)
3456                 return;
3457
3458         sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
3459
3460         sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3461
3462         he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif);
3463
3464         if (he_cap) {
3465                 /* we know that ours is writable */
3466                 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap;
3467
3468                 he->he_cap_elem.phy_cap_info[0] |=
3469                         IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
3470         }
3471 }
3472
3473 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm,
3474                                         struct ieee80211_vif *vif,
3475                                         struct iwl_mvm_sta *mvm_sta)
3476 {
3477 #if IS_ENABLED(CONFIG_IWLMEI)
3478         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3479         struct iwl_mei_conn_info conn_info = {
3480                 .ssid_len = vif->cfg.ssid_len,
3481         };
3482
3483         if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
3484                 return;
3485
3486         if (!mvm->mei_registered)
3487                 return;
3488
3489         /* FIXME: MEI needs to be updated for MLO */
3490         if (!vif->bss_conf.chandef.chan)
3491                 return;
3492
3493         conn_info.channel = vif->bss_conf.chandef.chan->hw_value;
3494
3495         switch (mvm_sta->pairwise_cipher) {
3496         case WLAN_CIPHER_SUITE_TKIP:
3497                 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP;
3498                 break;
3499         case WLAN_CIPHER_SUITE_CCMP:
3500                 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP;
3501                 break;
3502         case WLAN_CIPHER_SUITE_GCMP:
3503                 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP;
3504                 break;
3505         case WLAN_CIPHER_SUITE_GCMP_256:
3506                 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256;
3507                 break;
3508         case 0:
3509                 /* open profile */
3510                 break;
3511         default:
3512                 /* cipher not supported, don't send anything to iwlmei */
3513                 return;
3514         }
3515
3516         switch (mvmvif->rekey_data.akm) {
3517         case WLAN_AKM_SUITE_SAE & 0xff:
3518                 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE;
3519                 break;
3520         case WLAN_AKM_SUITE_PSK & 0xff:
3521                 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK;
3522                 break;
3523         case WLAN_AKM_SUITE_8021X & 0xff:
3524                 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA;
3525                 break;
3526         case 0:
3527                 /* open profile */
3528                 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN;
3529                 break;
3530         default:
3531                 /* auth method / AKM not supported */
3532                 /* TODO: All the FT vesions of these? */
3533                 return;
3534         }
3535
3536         memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len);
3537         memcpy(conn_info.bssid,  vif->bss_conf.bssid, ETH_ALEN);
3538
3539         /* TODO: add support for collocated AP data */
3540         iwl_mei_host_associated(&conn_info, NULL);
3541 #endif
3542 }
3543
3544 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm,
3545                                             struct ieee80211_vif *vif,
3546                                             bool force_assoc_off)
3547 {
3548         return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL);
3549 }
3550
3551 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
3552                                  struct ieee80211_vif *vif,
3553                                  struct ieee80211_sta *sta,
3554                                  enum ieee80211_sta_state old_state,
3555                                  enum ieee80211_sta_state new_state)
3556 {
3557         static const struct iwl_mvm_sta_state_ops callbacks = {
3558                 .add_sta = iwl_mvm_add_sta,
3559                 .update_sta = iwl_mvm_update_sta,
3560                 .rm_sta = iwl_mvm_rm_sta,
3561                 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper,
3562         };
3563
3564         return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state,
3565                                             &callbacks);
3566 }
3567
3568 /* FIXME: temporary making two assumptions in all sta handling functions:
3569  *      (1) when setting sta state, the link exists and protected
3570  *      (2) if a link is valid in sta then it's valid in vif (can
3571  *      use same index in the link array)
3572  */
3573 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm,
3574                                            struct ieee80211_vif *vif,
3575                                            struct ieee80211_sta *sta)
3576 {
3577         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3578         unsigned int link_id;
3579
3580         for_each_mvm_vif_valid_link(mvmvif, link_id) {
3581                 struct ieee80211_bss_conf *conf =
3582                         link_conf_dereference_check(vif, link_id);
3583                 struct ieee80211_link_sta *link_sta =
3584                         link_sta_dereference_check(sta, link_id);
3585
3586                 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt)
3587                         continue;
3588
3589                 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta,
3590                                      mvmvif->link[link_id]->phy_ctxt->channel->band);
3591         }
3592 }
3593
3594 #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16
3595
3596 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm,
3597                                       struct ieee80211_vif *vif,
3598                                       struct ieee80211_sta *sta)
3599 {
3600         struct ieee80211_link_sta *link_sta;
3601         unsigned int link_id;
3602
3603         /* Beacon interval check - firmware will crash if the beacon
3604          * interval is less than 16. We can't avoid connecting at all,
3605          * so refuse the station state change, this will cause mac80211
3606          * to abandon attempts to connect to this AP, and eventually
3607          * wpa_s will blocklist the AP...
3608          */
3609
3610         for_each_sta_active_link(vif, sta, link_sta, link_id) {
3611                 struct ieee80211_bss_conf *link_conf =
3612                         link_conf_dereference_protected(vif, link_id);
3613
3614                 if (!link_conf)
3615                         continue;
3616
3617                 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) {
3618                         IWL_ERR(mvm,
3619                                 "Beacon interval %d for AP %pM is too small\n",
3620                                 link_conf->beacon_int, link_sta->addr);
3621                         return false;
3622                 }
3623
3624                 link_conf->he_support = link_sta->he_cap.has_he;
3625         }
3626
3627         return true;
3628 }
3629
3630 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw,
3631                                        struct ieee80211_vif *vif,
3632                                        struct ieee80211_sta *sta,
3633                                        bool is_sta)
3634 {
3635         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3636         struct ieee80211_link_sta *link_sta;
3637         unsigned int link_id;
3638
3639         for_each_sta_active_link(vif, sta, link_sta, link_id) {
3640                 struct ieee80211_bss_conf *link_conf =
3641                         link_conf_dereference_protected(vif, link_id);
3642
3643                 if (!link_conf || !mvmvif->link[link_id])
3644                         continue;
3645
3646                 link_conf->he_support = link_sta->he_cap.has_he;
3647
3648                 if (is_sta) {
3649                         mvmvif->link[link_id]->he_ru_2mhz_block = false;
3650                         if (link_sta->he_cap.has_he)
3651                                 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif,
3652                                                                    link_id,
3653                                                                    link_conf);
3654                 }
3655         }
3656 }
3657
3658 static int
3659 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm,
3660                                    struct ieee80211_vif *vif,
3661                                    struct ieee80211_sta *sta,
3662                                    const struct iwl_mvm_sta_state_ops *callbacks)
3663 {
3664         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3665         struct ieee80211_link_sta *link_sta;
3666         unsigned int i;
3667         int ret;
3668
3669         lockdep_assert_held(&mvm->mutex);
3670
3671         if (vif->type == NL80211_IFTYPE_STATION &&
3672             !iwl_mvm_vif_conf_from_sta(mvm, vif, sta))
3673                 return -EINVAL;
3674
3675         if (sta->tdls &&
3676             (vif->p2p ||
3677              iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT ||
3678              iwl_mvm_phy_ctx_count(mvm) > 1)) {
3679                 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
3680                 return -EBUSY;
3681         }
3682
3683         ret = callbacks->add_sta(mvm, vif, sta);
3684         if (sta->tdls && ret == 0) {
3685                 iwl_mvm_recalc_tdls_state(mvm, vif, true);
3686                 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3687                                            NL80211_TDLS_SETUP);
3688         }
3689
3690         for_each_sta_active_link(vif, sta, link_sta, i)
3691                 link_sta->agg.max_rc_amsdu_len = 1;
3692
3693         ieee80211_sta_recalc_aggregates(sta);
3694
3695         if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
3696                 mvmvif->ap_sta = sta;
3697
3698         return 0;
3699 }
3700
3701 static int
3702 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw,
3703                                 struct iwl_mvm *mvm,
3704                                 struct ieee80211_vif *vif,
3705                                 struct ieee80211_sta *sta,
3706                                 const struct iwl_mvm_sta_state_ops *callbacks)
3707 {
3708         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3709         struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3710         struct ieee80211_link_sta *link_sta;
3711         unsigned int link_id;
3712
3713         lockdep_assert_held(&mvm->mutex);
3714
3715         if (vif->type == NL80211_IFTYPE_AP) {
3716                 iwl_mvm_vif_set_he_support(hw, vif, sta, false);
3717                 mvmvif->ap_assoc_sta_count++;
3718                 callbacks->mac_ctxt_changed(mvm, vif, false);
3719
3720                 /* since the below is not for MLD API, it's ok to use
3721                  * the default bss_conf
3722                  */
3723                 if (!mvm->mld_api_is_used &&
3724                     ((vif->bss_conf.he_support &&
3725                       !iwlwifi_mod_params.disable_11ax) ||
3726                     (vif->bss_conf.eht_support &&
3727                      !iwlwifi_mod_params.disable_11be)))
3728                         iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id);
3729         } else if (vif->type == NL80211_IFTYPE_STATION) {
3730                 iwl_mvm_vif_set_he_support(hw, vif, sta, true);
3731
3732                 callbacks->mac_ctxt_changed(mvm, vif, false);
3733
3734                 if (!mvm->mld_api_is_used)
3735                         goto out;
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 (WARN_ON(!link_conf))
3742                                 return -EINVAL;
3743                         if (!mvmvif->link[link_id])
3744                                 continue;
3745
3746                         iwl_mvm_link_changed(mvm, vif, link_conf,
3747                                              LINK_CONTEXT_MODIFY_ALL &
3748                                              ~LINK_CONTEXT_MODIFY_ACTIVE,
3749                                              true);
3750                 }
3751         }
3752
3753 out:
3754         iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3755
3756         return callbacks->update_sta(mvm, vif, sta);
3757 }
3758
3759 static int
3760 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm,
3761                                       struct ieee80211_vif *vif,
3762                                       struct ieee80211_sta *sta,
3763                                       const struct iwl_mvm_sta_state_ops *callbacks)
3764 {
3765         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3766         struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3767
3768         lockdep_assert_held(&mvm->mutex);
3769
3770         /* we don't support TDLS during DCM */
3771         if (iwl_mvm_phy_ctx_count(mvm) > 1)
3772                 iwl_mvm_teardown_tdls_peers(mvm);
3773
3774         if (sta->tdls) {
3775                 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3776                                            NL80211_TDLS_ENABLE_LINK);
3777         } else {
3778                 /* enable beacon filtering */
3779                 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
3780
3781                 mvmvif->authorized = 1;
3782
3783                 callbacks->mac_ctxt_changed(mvm, vif, false);
3784                 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta);
3785
3786                 /* when client is authorized (AP station marked as such),
3787                  * try to enable more links
3788                  */
3789                 if (vif->type == NL80211_IFTYPE_STATION &&
3790                     !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
3791                         iwl_mvm_mld_select_links(mvm, vif, false);
3792         }
3793
3794         mvm_sta->authorized = true;
3795
3796         iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3797
3798         /* MFP is set by default before the station is authorized.
3799          * Clear it here in case it's not used.
3800          */
3801         if (!sta->mfp)
3802                 return callbacks->update_sta(mvm, vif, sta);
3803
3804         return 0;
3805 }
3806
3807 static int
3808 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm,
3809                                       struct ieee80211_vif *vif,
3810                                       struct ieee80211_sta *sta,
3811                                       const struct iwl_mvm_sta_state_ops *callbacks)
3812 {
3813         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3814         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
3815
3816         lockdep_assert_held(&mvm->mutex);
3817
3818         mvmsta->authorized = false;
3819
3820         /* once we move into assoc state, need to update rate scale to
3821          * disable using wide bandwidth
3822          */
3823         iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3824
3825         if (!sta->tdls) {
3826                 /* Set this but don't call iwl_mvm_mac_ctxt_changed()
3827                  * yet to avoid sending high prio again for a little
3828                  * time.
3829                  */
3830                 mvmvif->authorized = 0;
3831
3832                 /* disable beacon filtering */
3833                 iwl_mvm_disable_beacon_filter(mvm, vif, 0);
3834         }
3835
3836         return 0;
3837 }
3838
3839 /* Common part for MLD and non-MLD modes */
3840 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw,
3841                                  struct ieee80211_vif *vif,
3842                                  struct ieee80211_sta *sta,
3843                                  enum ieee80211_sta_state old_state,
3844                                  enum ieee80211_sta_state new_state,
3845                                  const struct iwl_mvm_sta_state_ops *callbacks)
3846 {
3847         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3848         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
3849         struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
3850         struct ieee80211_link_sta *link_sta;
3851         unsigned int link_id;
3852         int ret;
3853
3854         IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n",
3855                            sta->addr, old_state, new_state);
3856
3857         /*
3858          * If we are in a STA removal flow and in DQA mode:
3859          *
3860          * This is after the sync_rcu part, so the queues have already been
3861          * flushed. No more TXs on their way in mac80211's path, and no more in
3862          * the queues.
3863          * Also, we won't be getting any new TX frames for this station.
3864          * What we might have are deferred TX frames that need to be taken care
3865          * of.
3866          *
3867          * Drop any still-queued deferred-frame before removing the STA, and
3868          * make sure the worker is no longer handling frames for this STA.
3869          */
3870         if (old_state == IEEE80211_STA_NONE &&
3871             new_state == IEEE80211_STA_NOTEXIST) {
3872                 flush_work(&mvm->add_stream_wk);
3873
3874                 /*
3875                  * No need to make sure deferred TX indication is off since the
3876                  * worker will already remove it if it was on
3877                  */
3878
3879                 /*
3880                  * Additionally, reset the 40 MHz capability if we disconnected
3881                  * from the AP now.
3882                  */
3883                 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif);
3884
3885                 /* Also free dup data just in case any assertions below fail */
3886                 kfree(mvm_sta->dup_data);
3887         }
3888
3889         mutex_lock(&mvm->mutex);
3890
3891         /* this would be a mac80211 bug ... but don't crash, unless we had a
3892          * firmware crash while we were activating a link, in which case it is
3893          * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in
3894          * recovery flow since we spit tons of error messages anyway.
3895          */
3896         for_each_sta_active_link(vif, sta, link_sta, link_id) {
3897                 if (WARN_ON_ONCE(!mvmvif->link[link_id] ||
3898                                  !mvmvif->link[link_id]->phy_ctxt)) {
3899                         mutex_unlock(&mvm->mutex);
3900                         return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
3901                                         &mvm->status) ? 0 : -EINVAL;
3902                 }
3903         }
3904
3905         /* track whether or not the station is associated */
3906         mvm_sta->sta_state = new_state;
3907
3908         if (old_state == IEEE80211_STA_NOTEXIST &&
3909             new_state == IEEE80211_STA_NONE) {
3910                 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta,
3911                                                          callbacks);
3912                 if (ret < 0)
3913                         goto out_unlock;
3914         } else if (old_state == IEEE80211_STA_NONE &&
3915                    new_state == IEEE80211_STA_AUTH) {
3916                 /*
3917                  * EBS may be disabled due to previous failures reported by FW.
3918                  * Reset EBS status here assuming environment has been changed.
3919                  */
3920                 mvm->last_ebs_successful = true;
3921                 iwl_mvm_check_uapsd(mvm, vif, sta->addr);
3922                 ret = 0;
3923         } else if (old_state == IEEE80211_STA_AUTH &&
3924                    new_state == IEEE80211_STA_ASSOC) {
3925                 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta,
3926                                                       callbacks);
3927         } else if (old_state == IEEE80211_STA_ASSOC &&
3928                    new_state == IEEE80211_STA_AUTHORIZED) {
3929                 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta,
3930                                                             callbacks);
3931         } else if (old_state == IEEE80211_STA_AUTHORIZED &&
3932                    new_state == IEEE80211_STA_ASSOC) {
3933                 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta,
3934                                                             callbacks);
3935         } else if (old_state == IEEE80211_STA_ASSOC &&
3936                    new_state == IEEE80211_STA_AUTH) {
3937                 if (vif->type == NL80211_IFTYPE_AP) {
3938                         mvmvif->ap_assoc_sta_count--;
3939                         callbacks->mac_ctxt_changed(mvm, vif, false);
3940                 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
3941                         iwl_mvm_stop_session_protection(mvm, vif);
3942                 ret = 0;
3943         } else if (old_state == IEEE80211_STA_AUTH &&
3944                    new_state == IEEE80211_STA_NONE) {
3945                 ret = 0;
3946         } else if (old_state == IEEE80211_STA_NONE &&
3947                    new_state == IEEE80211_STA_NOTEXIST) {
3948                 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
3949                         iwl_mvm_stop_session_protection(mvm, vif);
3950                         mvmvif->ap_sta = NULL;
3951                 }
3952                 ret = callbacks->rm_sta(mvm, vif, sta);
3953                 if (sta->tdls) {
3954                         iwl_mvm_recalc_tdls_state(mvm, vif, false);
3955                         iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr,
3956                                                    NL80211_TDLS_DISABLE_LINK);
3957                 }
3958
3959                 if (unlikely(ret &&
3960                              test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
3961                                       &mvm->status)))
3962                         ret = 0;
3963         } else {
3964                 ret = -EIO;
3965         }
3966  out_unlock:
3967         mutex_unlock(&mvm->mutex);
3968
3969         if (sta->tdls && ret == 0) {
3970                 if (old_state == IEEE80211_STA_NOTEXIST &&
3971                     new_state == IEEE80211_STA_NONE)
3972                         ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
3973                 else if (old_state == IEEE80211_STA_NONE &&
3974                          new_state == IEEE80211_STA_NOTEXIST)
3975                         ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
3976         }
3977
3978         return ret;
3979 }
3980
3981 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
3982 {
3983         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3984
3985         mvm->rts_threshold = value;
3986
3987         return 0;
3988 }
3989
3990 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
3991                            struct ieee80211_sta *sta, u32 changed)
3992 {
3993         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
3994
3995         if (changed & (IEEE80211_RC_BW_CHANGED |
3996                        IEEE80211_RC_SUPP_RATES_CHANGED |
3997                        IEEE80211_RC_NSS_CHANGED))
3998                 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta);
3999
4000         if (vif->type == NL80211_IFTYPE_STATION &&
4001             changed & IEEE80211_RC_NSS_CHANGED)
4002                 iwl_mvm_sf_update(mvm, vif, false);
4003 }
4004
4005 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
4006                                struct ieee80211_vif *vif,
4007                                unsigned int link_id, u16 ac,
4008                                const struct ieee80211_tx_queue_params *params)
4009 {
4010         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4011         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4012
4013         mvmvif->deflink.queue_params[ac] = *params;
4014
4015         /*
4016          * No need to update right away, we'll get BSS_CHANGED_QOS
4017          * The exception is P2P_DEVICE interface which needs immediate update.
4018          */
4019         if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
4020                 int ret;
4021
4022                 mutex_lock(&mvm->mutex);
4023                 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
4024                 mutex_unlock(&mvm->mutex);
4025                 return ret;
4026         }
4027         return 0;
4028 }
4029
4030 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
4031                                 struct ieee80211_vif *vif,
4032                                 struct ieee80211_prep_tx_info *info)
4033 {
4034         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4035
4036         mutex_lock(&mvm->mutex);
4037         iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id);
4038         mutex_unlock(&mvm->mutex);
4039 }
4040
4041 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw,
4042                                  struct ieee80211_vif *vif,
4043                                  struct ieee80211_prep_tx_info *info)
4044 {
4045         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4046
4047         /* for successful cases (auth/assoc), don't cancel session protection */
4048         if (info->success)
4049                 return;
4050
4051         mutex_lock(&mvm->mutex);
4052         iwl_mvm_stop_session_protection(mvm, vif);
4053         mutex_unlock(&mvm->mutex);
4054 }
4055
4056 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
4057                                  struct ieee80211_vif *vif,
4058                                  struct cfg80211_sched_scan_request *req,
4059                                  struct ieee80211_scan_ies *ies)
4060 {
4061         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4062
4063         int ret;
4064
4065         mutex_lock(&mvm->mutex);
4066
4067         if (!vif->cfg.idle) {
4068                 ret = -EBUSY;
4069                 goto out;
4070         }
4071
4072         ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED);
4073
4074 out:
4075         mutex_unlock(&mvm->mutex);
4076         return ret;
4077 }
4078
4079 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw,
4080                                 struct ieee80211_vif *vif)
4081 {
4082         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4083         int ret;
4084
4085         mutex_lock(&mvm->mutex);
4086
4087         /* Due to a race condition, it's possible that mac80211 asks
4088          * us to stop a sched_scan when it's already stopped.  This
4089          * can happen, for instance, if we stopped the scan ourselves,
4090          * called ieee80211_sched_scan_stopped() and the userspace called
4091          * stop sched scan scan before ieee80211_sched_scan_stopped_work()
4092          * could run.  To handle this, simply return if the scan is
4093          * not running.
4094         */
4095         if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) {
4096                 mutex_unlock(&mvm->mutex);
4097                 return 0;
4098         }
4099
4100         ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false);
4101         mutex_unlock(&mvm->mutex);
4102         iwl_mvm_wait_for_async_handlers(mvm);
4103
4104         return ret;
4105 }
4106
4107 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
4108                                  enum set_key_cmd cmd,
4109                                  struct ieee80211_vif *vif,
4110                                  struct ieee80211_sta *sta,
4111                                  struct ieee80211_key_conf *key)
4112 {
4113         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4114         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4115         struct iwl_mvm_sta *mvmsta = NULL;
4116         struct iwl_mvm_key_pn *ptk_pn = NULL;
4117         int keyidx = key->keyidx;
4118         u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD);
4119         u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0);
4120         int ret, i;
4121         u8 key_offset;
4122
4123         if (sta)
4124                 mvmsta = iwl_mvm_sta_from_mac80211(sta);
4125
4126         switch (key->cipher) {
4127         case WLAN_CIPHER_SUITE_TKIP:
4128                 if (!mvm->trans->trans_cfg->gen2) {
4129                         key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
4130                         key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
4131                 } else if (vif->type == NL80211_IFTYPE_STATION) {
4132                         key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE;
4133                 } else {
4134                         IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n");
4135                         return -EOPNOTSUPP;
4136                 }
4137                 break;
4138         case WLAN_CIPHER_SUITE_CCMP:
4139         case WLAN_CIPHER_SUITE_GCMP:
4140         case WLAN_CIPHER_SUITE_GCMP_256:
4141                 if (!iwl_mvm_has_new_tx_api(mvm))
4142                         key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
4143                 break;
4144         case WLAN_CIPHER_SUITE_AES_CMAC:
4145         case WLAN_CIPHER_SUITE_BIP_GMAC_128:
4146         case WLAN_CIPHER_SUITE_BIP_GMAC_256:
4147                 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE));
4148                 break;
4149         case WLAN_CIPHER_SUITE_WEP40:
4150         case WLAN_CIPHER_SUITE_WEP104:
4151                 if (vif->type == NL80211_IFTYPE_STATION)
4152                         break;
4153                 if (iwl_mvm_has_new_tx_api(mvm))
4154                         return -EOPNOTSUPP;
4155                 /* support HW crypto on TX */
4156                 return 0;
4157         default:
4158                 return -EOPNOTSUPP;
4159         }
4160
4161         switch (cmd) {
4162         case SET_KEY:
4163                 if (vif->type == NL80211_IFTYPE_STATION &&
4164                     (keyidx == 6 || keyidx == 7))
4165                         rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6],
4166                                            key);
4167
4168                 if ((vif->type == NL80211_IFTYPE_ADHOC ||
4169                      vif->type == NL80211_IFTYPE_AP) && !sta) {
4170                         /*
4171                          * GTK on AP interface is a TX-only key, return 0;
4172                          * on IBSS they're per-station and because we're lazy
4173                          * we don't support them for RX, so do the same.
4174                          * CMAC/GMAC in AP/IBSS modes must be done in software
4175                          * on older NICs.
4176                          *
4177                          * Except, of course, beacon protection - it must be
4178                          * offloaded since we just set a beacon template, and
4179                          * then we must also offload the IGTK (not just BIGTK)
4180                          * for firmware reasons.
4181                          *
4182                          * So just check for beacon protection - if we don't
4183                          * have it we cannot get here with keyidx >= 6, and
4184                          * if we do have it we need to send the key to FW in
4185                          * all cases (CMAC/GMAC).
4186                          */
4187                         if (!wiphy_ext_feature_isset(hw->wiphy,
4188                                                      NL80211_EXT_FEATURE_BEACON_PROTECTION) &&
4189                             (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
4190                              key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
4191                              key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) {
4192                                 ret = -EOPNOTSUPP;
4193                                 break;
4194                         }
4195
4196                         if (key->cipher != WLAN_CIPHER_SUITE_GCMP &&
4197                             key->cipher != WLAN_CIPHER_SUITE_GCMP_256 &&
4198                             !iwl_mvm_has_new_tx_api(mvm)) {
4199                                 key->hw_key_idx = STA_KEY_IDX_INVALID;
4200                                 ret = 0;
4201                                 break;
4202                         }
4203
4204                         if (!mvmvif->ap_ibss_active) {
4205                                 for (i = 0;
4206                                      i < ARRAY_SIZE(mvmvif->ap_early_keys);
4207                                      i++) {
4208                                         if (!mvmvif->ap_early_keys[i]) {
4209                                                 mvmvif->ap_early_keys[i] = key;
4210                                                 break;
4211                                         }
4212                                 }
4213
4214                                 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys))
4215                                         ret = -ENOSPC;
4216                                 else
4217                                         ret = 0;
4218
4219                                 break;
4220                         }
4221                 }
4222
4223                 /* During FW restart, in order to restore the state as it was,
4224                  * don't try to reprogram keys we previously failed for.
4225                  */
4226                 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
4227                     key->hw_key_idx == STA_KEY_IDX_INVALID) {
4228                         IWL_DEBUG_MAC80211(mvm,
4229                                            "skip invalid idx key programming during restart\n");
4230                         ret = 0;
4231                         break;
4232                 }
4233
4234                 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) &&
4235                     mvmsta && iwl_mvm_has_new_rx_api(mvm) &&
4236                     key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
4237                     (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
4238                      key->cipher == WLAN_CIPHER_SUITE_GCMP ||
4239                      key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
4240                         struct ieee80211_key_seq seq;
4241                         int tid, q;
4242
4243                         WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx]));
4244                         ptk_pn = kzalloc(struct_size(ptk_pn, q,
4245                                                      mvm->trans->num_rx_queues),
4246                                          GFP_KERNEL);
4247                         if (!ptk_pn) {
4248                                 ret = -ENOMEM;
4249                                 break;
4250                         }
4251
4252                         for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
4253                                 ieee80211_get_key_rx_seq(key, tid, &seq);
4254                                 for (q = 0; q < mvm->trans->num_rx_queues; q++)
4255                                         memcpy(ptk_pn->q[q].pn[tid],
4256                                                seq.ccmp.pn,
4257                                                IEEE80211_CCMP_PN_LEN);
4258                         }
4259
4260                         rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn);
4261                 }
4262
4263                 /* in HW restart reuse the index, otherwise request a new one */
4264                 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
4265                         key_offset = key->hw_key_idx;
4266                 else
4267                         key_offset = STA_KEY_IDX_INVALID;
4268
4269                 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
4270                         mvmsta->pairwise_cipher = key->cipher;
4271
4272                 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n",
4273                                    sta ? sta->addr : NULL, key->keyidx);
4274
4275                 if (sec_key_ver)
4276                         ret = iwl_mvm_sec_key_add(mvm, vif, sta, key);
4277                 else
4278                         ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset);
4279
4280                 if (ret) {
4281                         IWL_WARN(mvm, "set key failed\n");
4282                         key->hw_key_idx = STA_KEY_IDX_INVALID;
4283                         if (ptk_pn) {
4284                                 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
4285                                 kfree(ptk_pn);
4286                         }
4287                         /*
4288                          * can't add key for RX, but we don't need it
4289                          * in the device for TX so still return 0,
4290                          * unless we have new TX API where we cannot
4291                          * put key material into the TX_CMD
4292                          */
4293                         if (iwl_mvm_has_new_tx_api(mvm))
4294                                 ret = -EOPNOTSUPP;
4295                         else
4296                                 ret = 0;
4297                 }
4298
4299                 break;
4300         case DISABLE_KEY:
4301                 if (vif->type == NL80211_IFTYPE_STATION &&
4302                     (keyidx == 6 || keyidx == 7))
4303                         RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6],
4304                                          NULL);
4305
4306                 ret = -ENOENT;
4307                 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) {
4308                         if (mvmvif->ap_early_keys[i] == key) {
4309                                 mvmvif->ap_early_keys[i] = NULL;
4310                                 ret = 0;
4311                         }
4312                 }
4313
4314                 /* found in pending list - don't do anything else */
4315                 if (ret == 0)
4316                         break;
4317
4318                 if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
4319                         ret = 0;
4320                         break;
4321                 }
4322
4323                 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) &&
4324                     key->flags & IEEE80211_KEY_FLAG_PAIRWISE &&
4325                     (key->cipher == WLAN_CIPHER_SUITE_CCMP ||
4326                      key->cipher == WLAN_CIPHER_SUITE_GCMP ||
4327                      key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) {
4328                         ptk_pn = rcu_dereference_protected(
4329                                                 mvmsta->ptk_pn[keyidx],
4330                                                 lockdep_is_held(&mvm->mutex));
4331                         RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL);
4332                         if (ptk_pn)
4333                                 kfree_rcu(ptk_pn, rcu_head);
4334                 }
4335
4336                 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
4337                 if (sec_key_ver)
4338                         ret = iwl_mvm_sec_key_del(mvm, vif, sta, key);
4339                 else
4340                         ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
4341                 break;
4342         default:
4343                 ret = -EINVAL;
4344         }
4345
4346         return ret;
4347 }
4348
4349 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
4350                         struct ieee80211_vif *vif, struct ieee80211_sta *sta,
4351                         struct ieee80211_key_conf *key)
4352 {
4353         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4354         int ret;
4355
4356         mutex_lock(&mvm->mutex);
4357         ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key);
4358         mutex_unlock(&mvm->mutex);
4359
4360         return ret;
4361 }
4362
4363 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
4364                                  struct ieee80211_vif *vif,
4365                                  struct ieee80211_key_conf *keyconf,
4366                                  struct ieee80211_sta *sta,
4367                                  u32 iv32, u16 *phase1key)
4368 {
4369         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4370
4371         if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID)
4372                 return;
4373
4374         iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key);
4375 }
4376
4377
4378 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
4379                                struct iwl_rx_packet *pkt, void *data)
4380 {
4381         struct iwl_mvm *mvm =
4382                 container_of(notif_wait, struct iwl_mvm, notif_wait);
4383         struct iwl_hs20_roc_res *resp;
4384         int resp_len = iwl_rx_packet_payload_len(pkt);
4385         struct iwl_mvm_time_event_data *te_data = data;
4386
4387         if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
4388                 return true;
4389
4390         if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
4391                 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
4392                 return true;
4393         }
4394
4395         resp = (void *)pkt->data;
4396
4397         IWL_DEBUG_TE(mvm,
4398                      "Aux ROC: Received response from ucode: status=%d uid=%d\n",
4399                      resp->status, resp->event_unique_id);
4400
4401         te_data->uid = le32_to_cpu(resp->event_unique_id);
4402         IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
4403                      te_data->uid);
4404
4405         spin_lock_bh(&mvm->time_event_lock);
4406         list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
4407         spin_unlock_bh(&mvm->time_event_lock);
4408
4409         return true;
4410 }
4411
4412 #define AUX_ROC_MIN_DURATION MSEC_TO_TU(100)
4413 #define AUX_ROC_MIN_DELAY MSEC_TO_TU(200)
4414 #define AUX_ROC_MAX_DELAY MSEC_TO_TU(600)
4415 #define AUX_ROC_SAFETY_BUFFER MSEC_TO_TU(20)
4416 #define AUX_ROC_MIN_SAFETY_BUFFER MSEC_TO_TU(10)
4417
4418 static void iwl_mvm_roc_duration_and_delay(struct ieee80211_vif *vif,
4419                                            u32 duration_ms,
4420                                            u32 *duration_tu,
4421                                            u32 *delay)
4422 {
4423         u32 dtim_interval = vif->bss_conf.dtim_period *
4424                 vif->bss_conf.beacon_int;
4425
4426         *delay = AUX_ROC_MIN_DELAY;
4427         *duration_tu = MSEC_TO_TU(duration_ms);
4428
4429         /*
4430          * If we are associated we want the delay time to be at least one
4431          * dtim interval so that the FW can wait until after the DTIM and
4432          * then start the time event, this will potentially allow us to
4433          * remain off-channel for the max duration.
4434          * Since we want to use almost a whole dtim interval we would also
4435          * like the delay to be for 2-3 dtim intervals, in case there are
4436          * other time events with higher priority.
4437          */
4438         if (vif->cfg.assoc) {
4439                 *delay = min_t(u32, dtim_interval * 3, AUX_ROC_MAX_DELAY);
4440                 /* We cannot remain off-channel longer than the DTIM interval */
4441                 if (dtim_interval <= *duration_tu) {
4442                         *duration_tu = dtim_interval - AUX_ROC_SAFETY_BUFFER;
4443                         if (*duration_tu <= AUX_ROC_MIN_DURATION)
4444                                 *duration_tu = dtim_interval -
4445                                         AUX_ROC_MIN_SAFETY_BUFFER;
4446                 }
4447         }
4448 }
4449
4450 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
4451                                     struct ieee80211_channel *channel,
4452                                     struct ieee80211_vif *vif,
4453                                     int duration)
4454 {
4455         int res;
4456         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4457         struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
4458         static const u16 time_event_response[] = { HOT_SPOT_CMD };
4459         struct iwl_notification_wait wait_time_event;
4460         u32 req_dur, delay;
4461         struct iwl_hs20_roc_req aux_roc_req = {
4462                 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
4463                 .id_and_color =
4464                         cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
4465                 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
4466         };
4467         struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm,
4468                 &aux_roc_req.channel_info);
4469         u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm);
4470
4471         /* Set the channel info data */
4472         iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value,
4473                               iwl_mvm_phy_band_from_nl80211(channel->band),
4474                               IWL_PHY_CHANNEL_MODE20,
4475                               0);
4476
4477         /* Set the time and duration */
4478         tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm));
4479
4480         iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay);
4481         tail->duration = cpu_to_le32(req_dur);
4482         tail->apply_time_max_delay = cpu_to_le32(delay);
4483
4484         IWL_DEBUG_TE(mvm,
4485                      "ROC: Requesting to remain on channel %u for %ums\n",
4486                      channel->hw_value, req_dur);
4487         IWL_DEBUG_TE(mvm,
4488                      "\t(requested = %ums, max_delay = %ums)\n",
4489                      duration, delay);
4490
4491         /* Set the node address */
4492         memcpy(tail->node_addr, vif->addr, ETH_ALEN);
4493
4494         lockdep_assert_held(&mvm->mutex);
4495
4496         spin_lock_bh(&mvm->time_event_lock);
4497
4498         if (WARN_ON(te_data->id == HOT_SPOT_CMD)) {
4499                 spin_unlock_bh(&mvm->time_event_lock);
4500                 return -EIO;
4501         }
4502
4503         te_data->vif = vif;
4504         te_data->duration = duration;
4505         te_data->id = HOT_SPOT_CMD;
4506
4507         spin_unlock_bh(&mvm->time_event_lock);
4508
4509         /*
4510          * Use a notification wait, which really just processes the
4511          * command response and doesn't wait for anything, in order
4512          * to be able to process the response and get the UID inside
4513          * the RX path. Using CMD_WANT_SKB doesn't work because it
4514          * stores the buffer and then wakes up this thread, by which
4515          * time another notification (that the time event started)
4516          * might already be processed unsuccessfully.
4517          */
4518         iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
4519                                    time_event_response,
4520                                    ARRAY_SIZE(time_event_response),
4521                                    iwl_mvm_rx_aux_roc, te_data);
4522
4523         res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len,
4524                                    &aux_roc_req);
4525
4526         if (res) {
4527                 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
4528                 iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
4529                 goto out_clear_te;
4530         }
4531
4532         /* No need to wait for anything, so just pass 1 (0 isn't valid) */
4533         res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
4534         /* should never fail */
4535         WARN_ON_ONCE(res);
4536
4537         if (res) {
4538  out_clear_te:
4539                 spin_lock_bh(&mvm->time_event_lock);
4540                 iwl_mvm_te_clear_data(mvm, te_data);
4541                 spin_unlock_bh(&mvm->time_event_lock);
4542         }
4543
4544         return res;
4545 }
4546
4547 static int iwl_mvm_roc_add_cmd(struct iwl_mvm *mvm,
4548                                struct ieee80211_channel *channel,
4549                                struct ieee80211_vif *vif,
4550                                int duration, u32 activity)
4551 {
4552         int res;
4553         u32 duration_tu, delay;
4554         struct iwl_roc_req roc_req = {
4555                 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
4556                 .activity = cpu_to_le32(activity),
4557                 .sta_id = cpu_to_le32(mvm->aux_sta.sta_id),
4558         };
4559
4560         lockdep_assert_held(&mvm->mutex);
4561
4562         /* Set the channel info data */
4563         iwl_mvm_set_chan_info(mvm, &roc_req.channel_info,
4564                               channel->hw_value,
4565                               iwl_mvm_phy_band_from_nl80211(channel->band),
4566                               IWL_PHY_CHANNEL_MODE20, 0);
4567
4568         iwl_mvm_roc_duration_and_delay(vif, duration, &duration_tu,
4569                                        &delay);
4570         roc_req.duration = cpu_to_le32(duration_tu);
4571         roc_req.max_delay = cpu_to_le32(delay);
4572
4573         IWL_DEBUG_TE(mvm,
4574                      "\t(requested = %ums, max_delay = %ums)\n",
4575                      duration, delay);
4576         IWL_DEBUG_TE(mvm,
4577                      "Requesting to remain on channel %u for %utu\n",
4578                      channel->hw_value, duration_tu);
4579
4580         /* Set the node address */
4581         memcpy(roc_req.node_addr, vif->addr, ETH_ALEN);
4582
4583         res = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(MAC_CONF_GROUP, ROC_CMD),
4584                                    0, sizeof(roc_req), &roc_req);
4585
4586         return res;
4587 }
4588
4589 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id)
4590 {
4591         int ret = 0;
4592
4593         lockdep_assert_held(&mvm->mutex);
4594
4595         if (!fw_has_capa(&mvm->fw->ucode_capa,
4596                          IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) {
4597                 IWL_ERR(mvm, "hotspot not supported\n");
4598                 return -EINVAL;
4599         }
4600
4601         if (iwl_mvm_has_new_station_api(mvm->fw)) {
4602                 ret = iwl_mvm_add_aux_sta(mvm, lmac_id);
4603                 WARN(ret, "Failed to allocate aux station");
4604         }
4605
4606         return ret;
4607 }
4608
4609 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
4610 {
4611         int ret;
4612
4613         lockdep_assert_held(&mvm->mutex);
4614
4615         ret = iwl_mvm_binding_add_vif(mvm, vif);
4616         if (WARN(ret, "Failed binding P2P_DEVICE\n"))
4617                 return ret;
4618
4619         /* The station and queue allocation must be done only after the binding
4620          * is done, as otherwise the FW might incorrectly configure its state.
4621          */
4622         return iwl_mvm_add_p2p_bcast_sta(mvm, vif);
4623 }
4624
4625 static int iwl_mvm_roc(struct ieee80211_hw *hw,
4626                        struct ieee80211_vif *vif,
4627                        struct ieee80211_channel *channel,
4628                        int duration,
4629                        enum ieee80211_roc_type type)
4630 {
4631         static const struct iwl_mvm_roc_ops ops = {
4632                 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20,
4633                 .link = iwl_mvm_roc_link,
4634         };
4635
4636         return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops);
4637 }
4638
4639 static int iwl_mvm_roc_station(struct iwl_mvm *mvm,
4640                                struct ieee80211_channel *channel,
4641                                struct ieee80211_vif *vif,
4642                                int duration)
4643 {
4644         int ret;
4645         u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD);
4646         u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id,
4647                                           IWL_FW_CMD_VER_UNKNOWN);
4648
4649         if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) {
4650                 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration);
4651         } else if (fw_ver == 3) {
4652                 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration,
4653                                           ROC_ACTIVITY_HOTSPOT);
4654         } else {
4655                 ret = -EOPNOTSUPP;
4656                 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver);
4657         }
4658
4659         return ret;
4660 }
4661
4662 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm,
4663                                      struct ieee80211_vif *vif,
4664                                      struct ieee80211_channel *channel)
4665 {
4666         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4667         struct cfg80211_chan_def chandef;
4668         int i;
4669
4670         lockdep_assert_held(&mvm->mutex);
4671
4672         if (mvmvif->deflink.phy_ctxt &&
4673             channel == mvmvif->deflink.phy_ctxt->channel)
4674                 return 0;
4675
4676         /* Try using a PHY context that is already in use */
4677         for (i = 0; i < NUM_PHY_CTX; i++) {
4678                 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i];
4679
4680                 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt)
4681                         continue;
4682
4683                 if (channel == phy_ctxt->channel) {
4684                         if (mvmvif->deflink.phy_ctxt)
4685                                 iwl_mvm_phy_ctxt_unref(mvm,
4686                                                        mvmvif->deflink.phy_ctxt);
4687
4688                         mvmvif->deflink.phy_ctxt = phy_ctxt;
4689                         iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt);
4690                         return 0;
4691                 }
4692         }
4693
4694         /* We already have a phy_ctxt, but it's not on the right channel */
4695         if (mvmvif->deflink.phy_ctxt)
4696                 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt);
4697
4698         mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
4699         if (!mvmvif->deflink.phy_ctxt)
4700                 return -ENOSPC;
4701
4702         cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT);
4703
4704         return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt,
4705                                     &chandef, 1, 1);
4706 }
4707
4708 /* Execute the common part for MLD and non-MLD modes */
4709 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4710                        struct ieee80211_channel *channel, int duration,
4711                        enum ieee80211_roc_type type,
4712                        const struct iwl_mvm_roc_ops *ops)
4713 {
4714         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4715         u32 lmac_id;
4716         int ret;
4717
4718         IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
4719                            duration, type);
4720
4721         /*
4722          * Flush the done work, just in case it's still pending, so that
4723          * the work it does can complete and we can accept new frames.
4724          */
4725         flush_work(&mvm->roc_done_wk);
4726
4727         mutex_lock(&mvm->mutex);
4728
4729         switch (vif->type) {
4730         case NL80211_IFTYPE_STATION:
4731                 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band);
4732
4733                 /* Use aux roc framework (HS20) */
4734                 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id);
4735                 if (!ret)
4736                         ret = iwl_mvm_roc_station(mvm, channel, vif, duration);
4737                 goto out_unlock;
4738         case NL80211_IFTYPE_P2P_DEVICE:
4739                 /* handle below */
4740                 break;
4741         default:
4742                 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type);
4743                 ret = -EINVAL;
4744                 goto out_unlock;
4745         }
4746
4747
4748         ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel);
4749         if (ret)
4750                 goto out_unlock;
4751
4752         ret = ops->link(mvm, vif);
4753         if (ret)
4754                 goto out_unlock;
4755
4756         ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
4757 out_unlock:
4758         mutex_unlock(&mvm->mutex);
4759         IWL_DEBUG_MAC80211(mvm, "leave\n");
4760         return ret;
4761 }
4762
4763 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw,
4764                        struct ieee80211_vif *vif)
4765 {
4766         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4767
4768         IWL_DEBUG_MAC80211(mvm, "enter\n");
4769
4770         mutex_lock(&mvm->mutex);
4771         iwl_mvm_stop_roc(mvm, vif);
4772         mutex_unlock(&mvm->mutex);
4773
4774         IWL_DEBUG_MAC80211(mvm, "leave\n");
4775         return 0;
4776 }
4777
4778 struct iwl_mvm_ftm_responder_iter_data {
4779         bool responder;
4780         struct ieee80211_chanctx_conf *ctx;
4781 };
4782
4783 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac,
4784                                                struct ieee80211_vif *vif)
4785 {
4786         struct iwl_mvm_ftm_responder_iter_data *data = _data;
4787
4788         if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx &&
4789             vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params)
4790                 data->responder = true;
4791 }
4792
4793 static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm,
4794                                              struct ieee80211_chanctx_conf *ctx)
4795 {
4796         struct iwl_mvm_ftm_responder_iter_data data = {
4797                 .responder = false,
4798                 .ctx = ctx,
4799         };
4800
4801         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
4802                                         IEEE80211_IFACE_ITER_NORMAL,
4803                                         iwl_mvm_ftm_responder_chanctx_iter,
4804                                         &data);
4805         return data.responder;
4806 }
4807
4808 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
4809                                  struct ieee80211_chanctx_conf *ctx)
4810 {
4811         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4812         struct iwl_mvm_phy_ctxt *phy_ctxt;
4813         bool use_def = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx) ||
4814                 iwl_mvm_enable_fils(mvm, ctx);
4815         struct cfg80211_chan_def *def = use_def ? &ctx->def : &ctx->min_def;
4816         int ret;
4817
4818         lockdep_assert_held(&mvm->mutex);
4819
4820         IWL_DEBUG_MAC80211(mvm, "Add channel context\n");
4821
4822         phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm);
4823         if (!phy_ctxt) {
4824                 ret = -ENOSPC;
4825                 goto out;
4826         }
4827
4828         ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def,
4829                                    ctx->rx_chains_static,
4830                                    ctx->rx_chains_dynamic);
4831         if (ret) {
4832                 IWL_ERR(mvm, "Failed to add PHY context\n");
4833                 goto out;
4834         }
4835
4836         *phy_ctxt_id = phy_ctxt->id;
4837 out:
4838         return ret;
4839 }
4840
4841 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw,
4842                         struct ieee80211_chanctx_conf *ctx)
4843 {
4844         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4845         int ret;
4846
4847         mutex_lock(&mvm->mutex);
4848         ret = __iwl_mvm_add_chanctx(mvm, ctx);
4849         mutex_unlock(&mvm->mutex);
4850
4851         return ret;
4852 }
4853
4854 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm,
4855                                      struct ieee80211_chanctx_conf *ctx)
4856 {
4857         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4858         struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
4859
4860         lockdep_assert_held(&mvm->mutex);
4861
4862         iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt);
4863 }
4864
4865 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw,
4866                             struct ieee80211_chanctx_conf *ctx)
4867 {
4868         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4869
4870         mutex_lock(&mvm->mutex);
4871         __iwl_mvm_remove_chanctx(mvm, ctx);
4872         mutex_unlock(&mvm->mutex);
4873 }
4874
4875 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw,
4876                             struct ieee80211_chanctx_conf *ctx, u32 changed)
4877 {
4878         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
4879         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4880         struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
4881         bool use_def = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx) ||
4882                 iwl_mvm_enable_fils(mvm, ctx);
4883         struct cfg80211_chan_def *def = use_def ? &ctx->def : &ctx->min_def;
4884
4885         if (WARN_ONCE((phy_ctxt->ref > 1) &&
4886                       (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
4887                                    IEEE80211_CHANCTX_CHANGE_RX_CHAINS |
4888                                    IEEE80211_CHANCTX_CHANGE_RADAR |
4889                                    IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)),
4890                       "Cannot change PHY. Ref=%d, changed=0x%X\n",
4891                       phy_ctxt->ref, changed))
4892                 return;
4893
4894         mutex_lock(&mvm->mutex);
4895
4896         /* we are only changing the min_width, may be a noop */
4897         if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) {
4898                 if (phy_ctxt->width == def->width)
4899                         goto out_unlock;
4900
4901                 /* we are just toggling between 20_NOHT and 20 */
4902                 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 &&
4903                     def->width <= NL80211_CHAN_WIDTH_20)
4904                         goto out_unlock;
4905         }
4906
4907         iwl_mvm_bt_coex_vif_change(mvm);
4908         iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
4909                                  ctx->rx_chains_static,
4910                                  ctx->rx_chains_dynamic);
4911
4912 out_unlock:
4913         mutex_unlock(&mvm->mutex);
4914 }
4915
4916 /*
4917  * This function executes the common part for MLD and non-MLD modes.
4918  *
4919  * Returns true if we're done assigning the chanctx
4920  * (either on failure or success)
4921  */
4922 static bool
4923 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm,
4924                                     struct ieee80211_vif *vif,
4925                                     struct ieee80211_chanctx_conf *ctx,
4926                                     bool switching_chanctx, int *ret)
4927 {
4928         u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
4929         struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
4930         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4931
4932         lockdep_assert_held(&mvm->mutex);
4933
4934         mvmvif->deflink.phy_ctxt = phy_ctxt;
4935
4936         switch (vif->type) {
4937         case NL80211_IFTYPE_AP:
4938                 /* only needed if we're switching chanctx (i.e. during CSA) */
4939                 if (switching_chanctx) {
4940                         mvmvif->ap_ibss_active = true;
4941                         break;
4942                 }
4943                 fallthrough;
4944         case NL80211_IFTYPE_ADHOC:
4945                 /*
4946                  * The AP binding flow is handled as part of the start_ap flow
4947                  * (in bss_info_changed), similarly for IBSS.
4948                  */
4949                 *ret = 0;
4950                 return true;
4951         case NL80211_IFTYPE_STATION:
4952                 break;
4953         case NL80211_IFTYPE_MONITOR:
4954                 /* always disable PS when a monitor interface is active */
4955                 mvmvif->ps_disabled = true;
4956                 break;
4957         default:
4958                 *ret = -EINVAL;
4959                 return true;
4960         }
4961         return false;
4962 }
4963
4964 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
4965                                         struct ieee80211_vif *vif,
4966                                         struct ieee80211_bss_conf *link_conf,
4967                                         struct ieee80211_chanctx_conf *ctx,
4968                                         bool switching_chanctx)
4969 {
4970         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
4971         int ret;
4972
4973         if (WARN_ON(!link_conf))
4974                 return -EINVAL;
4975
4976         if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx,
4977                                                 switching_chanctx, &ret))
4978                 goto out;
4979
4980         ret = iwl_mvm_binding_add_vif(mvm, vif);
4981         if (ret)
4982                 goto out;
4983
4984         /*
4985          * Power state must be updated before quotas,
4986          * otherwise fw will complain.
4987          */
4988         iwl_mvm_power_update_mac(mvm);
4989
4990         /* Setting the quota at this stage is only required for monitor
4991          * interfaces. For the other types, the bss_info changed flow
4992          * will handle quota settings.
4993          */
4994         if (vif->type == NL80211_IFTYPE_MONITOR) {
4995                 mvmvif->monitor_active = true;
4996                 ret = iwl_mvm_update_quotas(mvm, false, NULL);
4997                 if (ret)
4998                         goto out_remove_binding;
4999
5000                 ret = iwl_mvm_add_snif_sta(mvm, vif);
5001                 if (ret)
5002                         goto out_remove_binding;
5003
5004         }
5005
5006         /* Handle binding during CSA */
5007         if (vif->type == NL80211_IFTYPE_AP) {
5008                 iwl_mvm_update_quotas(mvm, false, NULL);
5009                 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
5010         }
5011
5012         if (vif->type == NL80211_IFTYPE_STATION) {
5013                 if (!switching_chanctx) {
5014                         mvmvif->csa_bcn_pending = false;
5015                         goto out;
5016                 }
5017
5018                 mvmvif->csa_bcn_pending = true;
5019
5020                 if (!fw_has_capa(&mvm->fw->ucode_capa,
5021                                  IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
5022                         u32 duration = 5 * vif->bss_conf.beacon_int;
5023
5024                         /* Protect the session to make sure we hear the first
5025                          * beacon on the new channel.
5026                          */
5027                         iwl_mvm_protect_session(mvm, vif, duration, duration,
5028                                                 vif->bss_conf.beacon_int / 2,
5029                                                 true);
5030                 }
5031
5032                 iwl_mvm_update_quotas(mvm, false, NULL);
5033         }
5034
5035         goto out;
5036
5037 out_remove_binding:
5038         iwl_mvm_binding_remove_vif(mvm, vif);
5039         iwl_mvm_power_update_mac(mvm);
5040 out:
5041         if (ret)
5042                 mvmvif->deflink.phy_ctxt = NULL;
5043         return ret;
5044 }
5045
5046 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
5047                                       struct ieee80211_vif *vif,
5048                                       struct ieee80211_bss_conf *link_conf,
5049                                       struct ieee80211_chanctx_conf *ctx)
5050 {
5051         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5052         int ret;
5053
5054         mutex_lock(&mvm->mutex);
5055         ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false);
5056         mutex_unlock(&mvm->mutex);
5057
5058         return ret;
5059 }
5060
5061 /*
5062  * This function executes the common part for MLD and non-MLD modes.
5063  *
5064  * Returns if chanctx unassign chanctx is done
5065  * (either on failure or success)
5066  */
5067 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm,
5068                                                   struct ieee80211_vif *vif,
5069                                                   bool switching_chanctx)
5070 {
5071         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5072
5073         lockdep_assert_held(&mvm->mutex);
5074         iwl_mvm_remove_time_event(mvm, mvmvif,
5075                                   &mvmvif->time_event_data);
5076
5077         switch (vif->type) {
5078         case NL80211_IFTYPE_ADHOC:
5079                 return true;
5080         case NL80211_IFTYPE_MONITOR:
5081                 mvmvif->monitor_active = false;
5082                 mvmvif->ps_disabled = false;
5083                 break;
5084         case NL80211_IFTYPE_AP:
5085                 /* This part is triggered only during CSA */
5086                 if (!switching_chanctx || !mvmvif->ap_ibss_active)
5087                         return true;
5088
5089                 mvmvif->csa_countdown = false;
5090
5091                 /* Set CS bit on all the stations */
5092                 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
5093
5094                 /* Save blocked iface, the timeout is set on the next beacon */
5095                 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
5096
5097                 mvmvif->ap_ibss_active = false;
5098                 break;
5099         default:
5100                 break;
5101         }
5102         return false;
5103 }
5104
5105 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
5106                                            struct ieee80211_vif *vif,
5107                                            struct ieee80211_bss_conf *link_conf,
5108                                            struct ieee80211_chanctx_conf *ctx,
5109                                            bool switching_chanctx)
5110 {
5111         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5112         struct ieee80211_vif *disabled_vif = NULL;
5113
5114         if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx))
5115                 goto out;
5116
5117         if (vif->type == NL80211_IFTYPE_MONITOR)
5118                 iwl_mvm_rm_snif_sta(mvm, vif);
5119
5120
5121         if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) {
5122                 disabled_vif = vif;
5123                 if (!fw_has_capa(&mvm->fw->ucode_capa,
5124                                  IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
5125                         iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
5126         }
5127
5128         iwl_mvm_update_quotas(mvm, false, disabled_vif);
5129         iwl_mvm_binding_remove_vif(mvm, vif);
5130
5131 out:
5132         if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) &&
5133             switching_chanctx)
5134                 return;
5135         mvmvif->deflink.phy_ctxt = NULL;
5136         iwl_mvm_power_update_mac(mvm);
5137 }
5138
5139 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
5140                                          struct ieee80211_vif *vif,
5141                                          struct ieee80211_bss_conf *link_conf,
5142                                          struct ieee80211_chanctx_conf *ctx)
5143 {
5144         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5145
5146         mutex_lock(&mvm->mutex);
5147         __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false);
5148         mutex_unlock(&mvm->mutex);
5149 }
5150
5151 static int
5152 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
5153                                 struct ieee80211_vif_chanctx_switch *vifs,
5154                                 const struct iwl_mvm_switch_vif_chanctx_ops *ops)
5155 {
5156         int ret;
5157
5158         mutex_lock(&mvm->mutex);
5159         ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5160                                     vifs[0].old_ctx, true);
5161         __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
5162
5163         ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
5164         if (ret) {
5165                 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n");
5166                 goto out_reassign;
5167         }
5168
5169         ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5170                                         vifs[0].new_ctx, true);
5171         if (ret) {
5172                 IWL_ERR(mvm,
5173                         "failed to assign new_ctx during channel switch\n");
5174                 goto out_remove;
5175         }
5176
5177         /* we don't support TDLS during DCM - can be caused by channel switch */
5178         if (iwl_mvm_phy_ctx_count(mvm) > 1)
5179                 iwl_mvm_teardown_tdls_peers(mvm);
5180
5181         goto out;
5182
5183 out_remove:
5184         __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx);
5185
5186 out_reassign:
5187         if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) {
5188                 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n");
5189                 goto out_restart;
5190         }
5191
5192         if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5193                                       vifs[0].old_ctx, true)) {
5194                 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
5195                 goto out_restart;
5196         }
5197
5198         goto out;
5199
5200 out_restart:
5201         /* things keep failing, better restart the hw */
5202         iwl_mvm_nic_restart(mvm, false);
5203
5204 out:
5205         mutex_unlock(&mvm->mutex);
5206
5207         return ret;
5208 }
5209
5210 static int
5211 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm,
5212                                     struct ieee80211_vif_chanctx_switch *vifs,
5213                                     const struct iwl_mvm_switch_vif_chanctx_ops *ops)
5214 {
5215         int ret;
5216
5217         mutex_lock(&mvm->mutex);
5218         ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5219                                     vifs[0].old_ctx, true);
5220
5221         ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5222                                         vifs[0].new_ctx, true);
5223         if (ret) {
5224                 IWL_ERR(mvm,
5225                         "failed to assign new_ctx during channel switch\n");
5226                 goto out_reassign;
5227         }
5228
5229         goto out;
5230
5231 out_reassign:
5232         if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf,
5233                                       vifs[0].old_ctx, true)) {
5234                 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
5235                 goto out_restart;
5236         }
5237
5238         goto out;
5239
5240 out_restart:
5241         /* things keep failing, better restart the hw */
5242         iwl_mvm_nic_restart(mvm, false);
5243
5244 out:
5245         mutex_unlock(&mvm->mutex);
5246
5247         return ret;
5248 }
5249
5250 /* Execute the common part for both MLD and non-MLD modes */
5251 int
5252 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw,
5253                                   struct ieee80211_vif_chanctx_switch *vifs,
5254                                   int n_vifs,
5255                                   enum ieee80211_chanctx_switch_mode mode,
5256                                   const struct iwl_mvm_switch_vif_chanctx_ops *ops)
5257 {
5258         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5259         int ret;
5260
5261         /* we only support a single-vif right now */
5262         if (n_vifs > 1)
5263                 return -EOPNOTSUPP;
5264
5265         switch (mode) {
5266         case CHANCTX_SWMODE_SWAP_CONTEXTS:
5267                 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops);
5268                 break;
5269         case CHANCTX_SWMODE_REASSIGN_VIF:
5270                 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops);
5271                 break;
5272         default:
5273                 ret = -EOPNOTSUPP;
5274                 break;
5275         }
5276
5277         return ret;
5278 }
5279
5280 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
5281                                       struct ieee80211_vif_chanctx_switch *vifs,
5282                                       int n_vifs,
5283                                       enum ieee80211_chanctx_switch_mode mode)
5284 {
5285         static const struct iwl_mvm_switch_vif_chanctx_ops ops = {
5286                 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx,
5287                 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx,
5288         };
5289
5290         return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops);
5291 }
5292
5293 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw)
5294 {
5295         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5296
5297         return mvm->ibss_manager;
5298 }
5299
5300 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
5301                            bool set)
5302 {
5303         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5304         struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta);
5305
5306         if (!mvm_sta || !mvm_sta->vif) {
5307                 IWL_ERR(mvm, "Station is not associated to a vif\n");
5308                 return -EINVAL;
5309         }
5310
5311         return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif,
5312                                                &mvm_sta->vif->bss_conf);
5313 }
5314
5315 #ifdef CONFIG_NL80211_TESTMODE
5316 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
5317         [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
5318         [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
5319         [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 },
5320 };
5321
5322 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
5323                                       struct ieee80211_vif *vif,
5324                                       void *data, int len)
5325 {
5326         struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
5327         int err;
5328         u32 noa_duration;
5329
5330         err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len,
5331                                    iwl_mvm_tm_policy, NULL);
5332         if (err)
5333                 return err;
5334
5335         if (!tb[IWL_MVM_TM_ATTR_CMD])
5336                 return -EINVAL;
5337
5338         switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
5339         case IWL_MVM_TM_CMD_SET_NOA:
5340                 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
5341                     !vif->bss_conf.enable_beacon ||
5342                     !tb[IWL_MVM_TM_ATTR_NOA_DURATION])
5343                         return -EINVAL;
5344
5345                 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
5346                 if (noa_duration >= vif->bss_conf.beacon_int)
5347                         return -EINVAL;
5348
5349                 mvm->noa_duration = noa_duration;
5350                 mvm->noa_vif = vif;
5351
5352                 return iwl_mvm_update_quotas(mvm, true, NULL);
5353         case IWL_MVM_TM_CMD_SET_BEACON_FILTER:
5354                 /* must be associated client vif - ignore authorized */
5355                 if (!vif || vif->type != NL80211_IFTYPE_STATION ||
5356                     !vif->cfg.assoc || !vif->bss_conf.dtim_period ||
5357                     !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])
5358                         return -EINVAL;
5359
5360                 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]))
5361                         return iwl_mvm_enable_beacon_filter(mvm, vif, 0);
5362                 return iwl_mvm_disable_beacon_filter(mvm, vif, 0);
5363         }
5364
5365         return -EOPNOTSUPP;
5366 }
5367
5368 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
5369                              struct ieee80211_vif *vif,
5370                              void *data, int len)
5371 {
5372         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5373         int err;
5374
5375         mutex_lock(&mvm->mutex);
5376         err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
5377         mutex_unlock(&mvm->mutex);
5378
5379         return err;
5380 }
5381 #endif
5382
5383 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5384                             struct ieee80211_channel_switch *chsw)
5385 {
5386         /* By implementing this operation, we prevent mac80211 from
5387          * starting its own channel switch timer, so that we can call
5388          * ieee80211_chswitch_done() ourselves at the right time
5389          * (which is when the absence time event starts).
5390          */
5391
5392         IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),
5393                            "dummy channel switch op\n");
5394 }
5395
5396 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm,
5397                                        struct ieee80211_vif *vif,
5398                                        struct ieee80211_channel_switch *chsw)
5399 {
5400         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5401         struct iwl_chan_switch_te_cmd cmd = {
5402                 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
5403                                                           mvmvif->color)),
5404                 .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
5405                 .tsf = cpu_to_le32(chsw->timestamp),
5406                 .cs_count = chsw->count,
5407                 .cs_mode = chsw->block_tx,
5408         };
5409
5410         lockdep_assert_held(&mvm->mutex);
5411
5412         if (chsw->delay)
5413                 cmd.cs_delayed_bcn_count =
5414                         DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int);
5415
5416         return iwl_mvm_send_cmd_pdu(mvm,
5417                                     WIDE_ID(MAC_CONF_GROUP,
5418                                             CHANNEL_SWITCH_TIME_EVENT_CMD),
5419                                     0, sizeof(cmd), &cmd);
5420 }
5421
5422 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm,
5423                                        struct ieee80211_vif *vif,
5424                                        struct ieee80211_channel_switch *chsw)
5425 {
5426         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5427         u32 apply_time;
5428
5429         /* Schedule the time event to a bit before beacon 1,
5430          * to make sure we're in the new channel when the
5431          * GO/AP arrives. In case count <= 1 immediately schedule the
5432          * TE (this might result with some packet loss or connection
5433          * loss).
5434          */
5435         if (chsw->count <= 1)
5436                 apply_time = 0;
5437         else
5438                 apply_time = chsw->device_timestamp +
5439                         ((vif->bss_conf.beacon_int * (chsw->count - 1) -
5440                           IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
5441
5442         if (chsw->block_tx)
5443                 iwl_mvm_csa_client_absent(mvm, vif);
5444
5445         if (mvmvif->bf_data.bf_enabled) {
5446                 int ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
5447
5448                 if (ret)
5449                         return ret;
5450         }
5451
5452         iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
5453                                     apply_time);
5454
5455         return 0;
5456 }
5457
5458 #define IWL_MAX_CSA_BLOCK_TX 1500
5459 int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
5460                                struct ieee80211_vif *vif,
5461                                struct ieee80211_channel_switch *chsw)
5462 {
5463         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5464         struct ieee80211_vif *csa_vif;
5465         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5466         int ret;
5467
5468         mutex_lock(&mvm->mutex);
5469
5470         mvmvif->csa_failed = false;
5471
5472         IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
5473                            chsw->chandef.center_freq1);
5474
5475         iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt,
5476                                        ieee80211_vif_to_wdev(vif),
5477                                        FW_DBG_TRIGGER_CHANNEL_SWITCH);
5478
5479         switch (vif->type) {
5480         case NL80211_IFTYPE_AP:
5481                 csa_vif =
5482                         rcu_dereference_protected(mvm->csa_vif,
5483                                                   lockdep_is_held(&mvm->mutex));
5484                 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active,
5485                               "Another CSA is already in progress")) {
5486                         ret = -EBUSY;
5487                         goto out_unlock;
5488                 }
5489
5490                 /* we still didn't unblock tx. prevent new CS meanwhile */
5491                 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif,
5492                                               lockdep_is_held(&mvm->mutex))) {
5493                         ret = -EBUSY;
5494                         goto out_unlock;
5495                 }
5496
5497                 rcu_assign_pointer(mvm->csa_vif, vif);
5498
5499                 if (WARN_ONCE(mvmvif->csa_countdown,
5500                               "Previous CSA countdown didn't complete")) {
5501                         ret = -EBUSY;
5502                         goto out_unlock;
5503                 }
5504
5505                 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq;
5506
5507                 break;
5508         case NL80211_IFTYPE_STATION:
5509                 /*
5510                  * In the new flow FW is in charge of timing the switch so there
5511                  * is no need for all of this
5512                  */
5513                 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
5514                                             CHANNEL_SWITCH_ERROR_NOTIF,
5515                                             0))
5516                         break;
5517
5518                 /*
5519                  * We haven't configured the firmware to be associated yet since
5520                  * we don't know the dtim period. In this case, the firmware can't
5521                  * track the beacons.
5522                  */
5523                 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) {
5524                         ret = -EBUSY;
5525                         goto out_unlock;
5526                 }
5527
5528                 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX &&
5529                     hweight16(vif->valid_links) <= 1)
5530                         schedule_delayed_work(&mvmvif->csa_work, 0);
5531
5532                 if (chsw->block_tx) {
5533                         /*
5534                          * In case of undetermined / long time with immediate
5535                          * quiet monitor status to gracefully disconnect
5536                          */
5537                         if (!chsw->count ||
5538                             chsw->count * vif->bss_conf.beacon_int >
5539                             IWL_MAX_CSA_BLOCK_TX)
5540                                 schedule_delayed_work(&mvmvif->csa_work,
5541                                                       msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX));
5542                 }
5543
5544                 if (!fw_has_capa(&mvm->fw->ucode_capa,
5545                                  IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) {
5546                         ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw);
5547                         if (ret)
5548                                 goto out_unlock;
5549                 } else {
5550                         iwl_mvm_schedule_client_csa(mvm, vif, chsw);
5551                 }
5552
5553                 mvmvif->csa_count = chsw->count;
5554                 mvmvif->csa_misbehave = false;
5555                 break;
5556         default:
5557                 break;
5558         }
5559
5560         mvmvif->ps_disabled = true;
5561
5562         ret = iwl_mvm_power_update_ps(mvm);
5563         if (ret)
5564                 goto out_unlock;
5565
5566         /* we won't be on this channel any longer */
5567         iwl_mvm_teardown_tdls_peers(mvm);
5568
5569 out_unlock:
5570         mutex_unlock(&mvm->mutex);
5571
5572         return ret;
5573 }
5574
5575 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw,
5576                                       struct ieee80211_vif *vif,
5577                                       struct ieee80211_channel_switch *chsw)
5578 {
5579         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5580         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5581         struct iwl_chan_switch_te_cmd cmd = {
5582                 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
5583                                                           mvmvif->color)),
5584                 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY),
5585                 .tsf = cpu_to_le32(chsw->timestamp),
5586                 .cs_count = chsw->count,
5587                 .cs_mode = chsw->block_tx,
5588         };
5589
5590         /*
5591          * In the new flow FW is in charge of timing the switch so there is no
5592          * need for all of this
5593          */
5594         if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP,
5595                                     CHANNEL_SWITCH_ERROR_NOTIF, 0))
5596                 return;
5597
5598         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY))
5599                 return;
5600
5601         IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n",
5602                            mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx);
5603
5604         if (chsw->count >= mvmvif->csa_count && chsw->block_tx) {
5605                 if (mvmvif->csa_misbehave) {
5606                         /* Second time, give up on this AP*/
5607                         iwl_mvm_abort_channel_switch(hw, vif);
5608                         ieee80211_chswitch_done(vif, false, 0);
5609                         mvmvif->csa_misbehave = false;
5610                         return;
5611                 }
5612                 mvmvif->csa_misbehave = true;
5613         }
5614         mvmvif->csa_count = chsw->count;
5615
5616         mutex_lock(&mvm->mutex);
5617         if (mvmvif->csa_failed)
5618                 goto out_unlock;
5619
5620         WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
5621                                      WIDE_ID(MAC_CONF_GROUP,
5622                                              CHANNEL_SWITCH_TIME_EVENT_CMD),
5623                                      0, sizeof(cmd), &cmd));
5624 out_unlock:
5625         mutex_unlock(&mvm->mutex);
5626 }
5627
5628 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop)
5629 {
5630         int i;
5631
5632         if (!iwl_mvm_has_new_tx_api(mvm)) {
5633                 if (drop) {
5634                         mutex_lock(&mvm->mutex);
5635                         iwl_mvm_flush_tx_path(mvm,
5636                                 iwl_mvm_flushable_queues(mvm) & queues);
5637                         mutex_unlock(&mvm->mutex);
5638                 } else {
5639                         iwl_trans_wait_tx_queues_empty(mvm->trans, queues);
5640                 }
5641                 return;
5642         }
5643
5644         mutex_lock(&mvm->mutex);
5645         for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
5646                 struct ieee80211_sta *sta;
5647
5648                 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
5649                                                 lockdep_is_held(&mvm->mutex));
5650                 if (IS_ERR_OR_NULL(sta))
5651                         continue;
5652
5653                 if (drop)
5654                         iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF);
5655                 else
5656                         iwl_mvm_wait_sta_queues_empty(mvm,
5657                                         iwl_mvm_sta_from_mac80211(sta));
5658         }
5659         mutex_unlock(&mvm->mutex);
5660 }
5661
5662 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5663                        u32 queues, bool drop)
5664 {
5665         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5666         struct iwl_mvm_vif *mvmvif;
5667         struct iwl_mvm_sta *mvmsta;
5668         struct ieee80211_sta *sta;
5669         bool ap_sta_done = false;
5670         int i;
5671         u32 msk = 0;
5672
5673         if (!vif) {
5674                 iwl_mvm_flush_no_vif(mvm, queues, drop);
5675                 return;
5676         }
5677
5678         /* Make sure we're done with the deferred traffic before flushing */
5679         flush_work(&mvm->add_stream_wk);
5680
5681         mutex_lock(&mvm->mutex);
5682         mvmvif = iwl_mvm_vif_from_mac80211(vif);
5683
5684         /* flush the AP-station and all TDLS peers */
5685         for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
5686                 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
5687                                                 lockdep_is_held(&mvm->mutex));
5688                 if (IS_ERR_OR_NULL(sta))
5689                         continue;
5690
5691                 mvmsta = iwl_mvm_sta_from_mac80211(sta);
5692                 if (mvmsta->vif != vif)
5693                         continue;
5694
5695                 if (sta == mvmvif->ap_sta) {
5696                         if (ap_sta_done)
5697                                 continue;
5698                         ap_sta_done = true;
5699                 }
5700
5701                 if (drop) {
5702                         if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id,
5703                                               mvmsta->tfd_queue_msk))
5704                                 IWL_ERR(mvm, "flush request fail\n");
5705                 } else {
5706                         if (iwl_mvm_has_new_tx_api(mvm))
5707                                 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta);
5708                         else /* only used for !iwl_mvm_has_new_tx_api() below */
5709                                 msk |= mvmsta->tfd_queue_msk;
5710                 }
5711         }
5712
5713         mutex_unlock(&mvm->mutex);
5714
5715         /* this can take a while, and we may need/want other operations
5716          * to succeed while doing this, so do it without the mutex held
5717          */
5718         if (!drop && !iwl_mvm_has_new_tx_api(mvm))
5719                 iwl_trans_wait_tx_queues_empty(mvm->trans, msk);
5720 }
5721
5722 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5723                            struct ieee80211_sta *sta)
5724 {
5725         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
5726         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5727         struct iwl_mvm_link_sta *mvm_link_sta;
5728         struct ieee80211_link_sta *link_sta;
5729         int link_id;
5730
5731         mutex_lock(&mvm->mutex);
5732         for_each_sta_active_link(vif, sta, link_sta, link_id) {
5733                 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id],
5734                                                          lockdep_is_held(&mvm->mutex));
5735                 if (!mvm_link_sta)
5736                         continue;
5737
5738                 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id,
5739                                       mvmsta->tfd_queue_msk))
5740                         IWL_ERR(mvm, "flush request fail\n");
5741         }
5742         mutex_unlock(&mvm->mutex);
5743 }
5744
5745 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
5746                            struct survey_info *survey)
5747 {
5748         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5749         int ret = 0;
5750         u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
5751                                            WIDE_ID(SYSTEM_GROUP,
5752                                                    SYSTEM_STATISTICS_CMD),
5753                                            IWL_FW_CMD_VER_UNKNOWN);
5754
5755         memset(survey, 0, sizeof(*survey));
5756
5757         /* only support global statistics right now */
5758         if (idx != 0)
5759                 return -ENOENT;
5760
5761         if (!fw_has_capa(&mvm->fw->ucode_capa,
5762                          IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS))
5763                 return -ENOENT;
5764
5765         mutex_lock(&mvm->mutex);
5766
5767         if (iwl_mvm_firmware_running(mvm)) {
5768                 ret = iwl_mvm_request_statistics(mvm, false);
5769                 if (ret)
5770                         goto out;
5771         }
5772
5773         survey->filled = SURVEY_INFO_TIME_RX |
5774                          SURVEY_INFO_TIME_TX;
5775
5776         survey->time_rx = mvm->accu_radio_stats.rx_time +
5777                           mvm->radio_stats.rx_time;
5778         do_div(survey->time_rx, USEC_PER_MSEC);
5779
5780         survey->time_tx = mvm->accu_radio_stats.tx_time +
5781                           mvm->radio_stats.tx_time;
5782         do_div(survey->time_tx, USEC_PER_MSEC);
5783
5784         /* the new fw api doesn't support the following fields */
5785         if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
5786                 goto out;
5787
5788         survey->filled |= SURVEY_INFO_TIME |
5789                           SURVEY_INFO_TIME_SCAN;
5790         survey->time = mvm->accu_radio_stats.on_time_rf +
5791                        mvm->radio_stats.on_time_rf;
5792         do_div(survey->time, USEC_PER_MSEC);
5793
5794         survey->time_scan = mvm->accu_radio_stats.on_time_scan +
5795                             mvm->radio_stats.on_time_scan;
5796         do_div(survey->time_scan, USEC_PER_MSEC);
5797
5798  out:
5799         mutex_unlock(&mvm->mutex);
5800         return ret;
5801 }
5802
5803 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
5804 {
5805         u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK;
5806         u32 gi_ltf;
5807
5808         switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
5809         case RATE_MCS_CHAN_WIDTH_20:
5810                 rinfo->bw = RATE_INFO_BW_20;
5811                 break;
5812         case RATE_MCS_CHAN_WIDTH_40:
5813                 rinfo->bw = RATE_INFO_BW_40;
5814                 break;
5815         case RATE_MCS_CHAN_WIDTH_80:
5816                 rinfo->bw = RATE_INFO_BW_80;
5817                 break;
5818         case RATE_MCS_CHAN_WIDTH_160:
5819                 rinfo->bw = RATE_INFO_BW_160;
5820                 break;
5821         case RATE_MCS_CHAN_WIDTH_320:
5822                 rinfo->bw = RATE_INFO_BW_320;
5823                 break;
5824         }
5825
5826         if (format == RATE_MCS_CCK_MSK ||
5827             format == RATE_MCS_LEGACY_OFDM_MSK) {
5828                 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK);
5829
5830                 /* add the offset needed to get to the legacy ofdm indices */
5831                 if (format == RATE_MCS_LEGACY_OFDM_MSK)
5832                         rate += IWL_FIRST_OFDM_RATE;
5833
5834                 switch (rate) {
5835                 case IWL_RATE_1M_INDEX:
5836                         rinfo->legacy = 10;
5837                         break;
5838                 case IWL_RATE_2M_INDEX:
5839                         rinfo->legacy = 20;
5840                         break;
5841                 case IWL_RATE_5M_INDEX:
5842                         rinfo->legacy = 55;
5843                         break;
5844                 case IWL_RATE_11M_INDEX:
5845                         rinfo->legacy = 110;
5846                         break;
5847                 case IWL_RATE_6M_INDEX:
5848                         rinfo->legacy = 60;
5849                         break;
5850                 case IWL_RATE_9M_INDEX:
5851                         rinfo->legacy = 90;
5852                         break;
5853                 case IWL_RATE_12M_INDEX:
5854                         rinfo->legacy = 120;
5855                         break;
5856                 case IWL_RATE_18M_INDEX:
5857                         rinfo->legacy = 180;
5858                         break;
5859                 case IWL_RATE_24M_INDEX:
5860                         rinfo->legacy = 240;
5861                         break;
5862                 case IWL_RATE_36M_INDEX:
5863                         rinfo->legacy = 360;
5864                         break;
5865                 case IWL_RATE_48M_INDEX:
5866                         rinfo->legacy = 480;
5867                         break;
5868                 case IWL_RATE_54M_INDEX:
5869                         rinfo->legacy = 540;
5870                 }
5871                 return;
5872         }
5873
5874         rinfo->nss = u32_get_bits(rate_n_flags,
5875                                   RATE_MCS_NSS_MSK) + 1;
5876         rinfo->mcs = format == RATE_MCS_HT_MSK ?
5877                 RATE_HT_MCS_INDEX(rate_n_flags) :
5878                 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK);
5879
5880         if (rate_n_flags & RATE_MCS_SGI_MSK)
5881                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
5882
5883         switch (format) {
5884         case RATE_MCS_EHT_MSK:
5885                 /* TODO: GI/LTF/RU. How does the firmware encode them? */
5886                 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS;
5887                 break;
5888         case RATE_MCS_HE_MSK:
5889                 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK);
5890
5891                 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS;
5892
5893                 if (rate_n_flags & RATE_MCS_HE_106T_MSK) {
5894                         rinfo->bw = RATE_INFO_BW_HE_RU;
5895                         rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
5896                 }
5897
5898                 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) {
5899                 case RATE_MCS_HE_TYPE_SU:
5900                 case RATE_MCS_HE_TYPE_EXT_SU:
5901                         if (gi_ltf == 0 || gi_ltf == 1)
5902                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
5903                         else if (gi_ltf == 2)
5904                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
5905                         else if (gi_ltf == 3)
5906                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
5907                         else
5908                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
5909                         break;
5910                 case RATE_MCS_HE_TYPE_MU:
5911                         if (gi_ltf == 0 || gi_ltf == 1)
5912                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
5913                         else if (gi_ltf == 2)
5914                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
5915                         else
5916                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
5917                         break;
5918                 case RATE_MCS_HE_TYPE_TRIG:
5919                         if (gi_ltf == 0 || gi_ltf == 1)
5920                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
5921                         else
5922                                 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
5923                         break;
5924                 }
5925
5926                 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK)
5927                         rinfo->he_dcm = 1;
5928                 break;
5929         case RATE_MCS_HT_MSK:
5930                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
5931                 break;
5932         case RATE_MCS_VHT_MSK:
5933                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
5934                 break;
5935         }
5936 }
5937
5938 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
5939                                 struct ieee80211_vif *vif,
5940                                 struct ieee80211_sta *sta,
5941                                 struct station_info *sinfo)
5942 {
5943         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
5944         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
5945         struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
5946         int i;
5947
5948         if (mvmsta->deflink.avg_energy) {
5949                 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy;
5950                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
5951         }
5952
5953         if (iwl_mvm_has_tlc_offload(mvm)) {
5954                 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw;
5955
5956                 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate);
5957                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
5958         }
5959
5960         /* if beacon filtering isn't on mac80211 does it anyway */
5961         if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
5962                 return;
5963
5964         if (!vif->cfg.assoc)
5965                 return;
5966
5967         mutex_lock(&mvm->mutex);
5968
5969         if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id)
5970                 goto unlock;
5971
5972         if (iwl_mvm_request_statistics(mvm, false))
5973                 goto unlock;
5974
5975         sinfo->rx_beacon = 0;
5976         for_each_mvm_vif_valid_link(mvmvif, i)
5977                 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons +
5978                         mvmvif->link[i]->beacon_stats.accu_num_beacons;
5979
5980         sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX);
5981         if (mvmvif->deflink.beacon_stats.avg_signal) {
5982                 /* firmware only reports a value after RXing a few beacons */
5983                 sinfo->rx_beacon_signal_avg =
5984                         mvmvif->deflink.beacon_stats.avg_signal;
5985                 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
5986         }
5987  unlock:
5988         mutex_unlock(&mvm->mutex);
5989 }
5990
5991 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm,
5992                                             struct ieee80211_vif *vif,
5993                                             const  struct ieee80211_mlme_event *mlme)
5994 {
5995         if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) &&
5996             (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) {
5997                 iwl_dbg_tlv_time_point(&mvm->fwrt,
5998                                        IWL_FW_INI_TIME_POINT_ASSOC_FAILED,
5999                                        NULL);
6000                 return;
6001         }
6002
6003         if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) {
6004                 iwl_dbg_tlv_time_point(&mvm->fwrt,
6005                                        IWL_FW_INI_TIME_POINT_DEASSOC,
6006                                        NULL);
6007                 return;
6008         }
6009 }
6010
6011 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
6012                                         struct ieee80211_vif *vif,
6013                                         const struct ieee80211_event *event)
6014 {
6015 #define CHECK_MLME_TRIGGER(_cnt, _fmt...)                               \
6016         do {                                                            \
6017                 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt))           \
6018                         break;                                          \
6019                 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt);      \
6020         } while (0)
6021
6022         struct iwl_fw_dbg_trigger_tlv *trig;
6023         struct iwl_fw_dbg_trigger_mlme *trig_mlme;
6024
6025         if (iwl_trans_dbg_ini_valid(mvm->trans)) {
6026                 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme);
6027                 return;
6028         }
6029
6030         trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
6031                                      FW_DBG_TRIGGER_MLME);
6032         if (!trig)
6033                 return;
6034
6035         trig_mlme = (void *)trig->data;
6036
6037         if (event->u.mlme.data == ASSOC_EVENT) {
6038                 if (event->u.mlme.status == MLME_DENIED)
6039                         CHECK_MLME_TRIGGER(stop_assoc_denied,
6040                                            "DENIED ASSOC: reason %d",
6041                                             event->u.mlme.reason);
6042                 else if (event->u.mlme.status == MLME_TIMEOUT)
6043                         CHECK_MLME_TRIGGER(stop_assoc_timeout,
6044                                            "ASSOC TIMEOUT");
6045         } else if (event->u.mlme.data == AUTH_EVENT) {
6046                 if (event->u.mlme.status == MLME_DENIED)
6047                         CHECK_MLME_TRIGGER(stop_auth_denied,
6048                                            "DENIED AUTH: reason %d",
6049                                            event->u.mlme.reason);
6050                 else if (event->u.mlme.status == MLME_TIMEOUT)
6051                         CHECK_MLME_TRIGGER(stop_auth_timeout,
6052                                            "AUTH TIMEOUT");
6053         } else if (event->u.mlme.data == DEAUTH_RX_EVENT) {
6054                 CHECK_MLME_TRIGGER(stop_rx_deauth,
6055                                    "DEAUTH RX %d", event->u.mlme.reason);
6056         } else if (event->u.mlme.data == DEAUTH_TX_EVENT) {
6057                 CHECK_MLME_TRIGGER(stop_tx_deauth,
6058                                    "DEAUTH TX %d", event->u.mlme.reason);
6059         }
6060 #undef CHECK_MLME_TRIGGER
6061 }
6062
6063 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
6064                                           struct ieee80211_vif *vif,
6065                                           const struct ieee80211_event *event)
6066 {
6067         struct iwl_fw_dbg_trigger_tlv *trig;
6068         struct iwl_fw_dbg_trigger_ba *ba_trig;
6069
6070         trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
6071                                      FW_DBG_TRIGGER_BA);
6072         if (!trig)
6073                 return;
6074
6075         ba_trig = (void *)trig->data;
6076
6077         if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
6078                 return;
6079
6080         iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
6081                                 "BAR received from %pM, tid %d, ssn %d",
6082                                 event->u.ba.sta->addr, event->u.ba.tid,
6083                                 event->u.ba.ssn);
6084 }
6085
6086 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
6087                                 struct ieee80211_vif *vif,
6088                                 const struct ieee80211_event *event)
6089 {
6090         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6091
6092         switch (event->type) {
6093         case MLME_EVENT:
6094                 iwl_mvm_event_mlme_callback(mvm, vif, event);
6095                 break;
6096         case BAR_RX_EVENT:
6097                 iwl_mvm_event_bar_rx_callback(mvm, vif, event);
6098                 break;
6099         case BA_FRAME_TIMEOUT:
6100                 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta,
6101                                                      event->u.ba.tid);
6102                 break;
6103         default:
6104                 break;
6105         }
6106 }
6107
6108 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
6109                                      enum iwl_mvm_rxq_notif_type type,
6110                                      bool sync,
6111                                      const void *data, u32 size)
6112 {
6113         struct {
6114                 struct iwl_rxq_sync_cmd cmd;
6115                 struct iwl_mvm_internal_rxq_notif notif;
6116         } __packed cmd = {
6117                 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1),
6118                 .cmd.count =
6119                         cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) +
6120                                     size),
6121                 .notif.type = type,
6122                 .notif.sync = sync,
6123         };
6124         struct iwl_host_cmd hcmd = {
6125                 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD),
6126                 .data[0] = &cmd,
6127                 .len[0] = sizeof(cmd),
6128                 .data[1] = data,
6129                 .len[1] = size,
6130                 .flags = sync ? 0 : CMD_ASYNC,
6131         };
6132         int ret;
6133
6134         /* size must be a multiple of DWORD */
6135         if (WARN_ON(cmd.cmd.count & cpu_to_le32(3)))
6136                 return;
6137
6138         if (!iwl_mvm_has_new_rx_api(mvm))
6139                 return;
6140
6141         if (sync) {
6142                 cmd.notif.cookie = mvm->queue_sync_cookie;
6143                 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1;
6144         }
6145
6146         ret = iwl_mvm_send_cmd(mvm, &hcmd);
6147         if (ret) {
6148                 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret);
6149                 goto out;
6150         }
6151
6152         if (sync) {
6153                 lockdep_assert_held(&mvm->mutex);
6154                 ret = wait_event_timeout(mvm->rx_sync_waitq,
6155                                          READ_ONCE(mvm->queue_sync_state) == 0 ||
6156                                          iwl_mvm_is_radio_killed(mvm),
6157                                          HZ);
6158                 WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm),
6159                           "queue sync: failed to sync, state is 0x%lx\n",
6160                           mvm->queue_sync_state);
6161         }
6162
6163 out:
6164         if (sync) {
6165                 mvm->queue_sync_state = 0;
6166                 mvm->queue_sync_cookie++;
6167         }
6168 }
6169
6170 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
6171 {
6172         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6173
6174         mutex_lock(&mvm->mutex);
6175         iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0);
6176         mutex_unlock(&mvm->mutex);
6177 }
6178
6179 int
6180 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw,
6181                                     struct ieee80211_vif *vif,
6182                                     struct cfg80211_ftm_responder_stats *stats)
6183 {
6184         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6185         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
6186
6187         if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
6188             !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder)
6189                 return -EINVAL;
6190
6191         mutex_lock(&mvm->mutex);
6192         *stats = mvm->ftm_resp_stats;
6193         mutex_unlock(&mvm->mutex);
6194
6195         stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) |
6196                         BIT(NL80211_FTM_STATS_PARTIAL_NUM) |
6197                         BIT(NL80211_FTM_STATS_FAILED_NUM) |
6198                         BIT(NL80211_FTM_STATS_ASAP_NUM) |
6199                         BIT(NL80211_FTM_STATS_NON_ASAP_NUM) |
6200                         BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) |
6201                         BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) |
6202                         BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) |
6203                         BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM);
6204
6205         return 0;
6206 }
6207
6208 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6209                        struct cfg80211_pmsr_request *request)
6210 {
6211         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6212         int ret;
6213
6214         mutex_lock(&mvm->mutex);
6215         ret = iwl_mvm_ftm_start(mvm, vif, request);
6216         mutex_unlock(&mvm->mutex);
6217
6218         return ret;
6219 }
6220
6221 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6222                         struct cfg80211_pmsr_request *request)
6223 {
6224         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6225
6226         mutex_lock(&mvm->mutex);
6227         iwl_mvm_ftm_abort(mvm, request);
6228         mutex_unlock(&mvm->mutex);
6229 }
6230
6231 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb)
6232 {
6233         u8 protocol = ip_hdr(skb)->protocol;
6234
6235         if (!IS_ENABLED(CONFIG_INET))
6236                 return false;
6237
6238         return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP;
6239 }
6240
6241 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw,
6242                                       struct sk_buff *head,
6243                                       struct sk_buff *skb)
6244 {
6245         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6246
6247         /* For now don't aggregate IPv6 in AMSDU */
6248         if (skb->protocol != htons(ETH_P_IP))
6249                 return false;
6250
6251         if (!iwl_mvm_is_csum_supported(mvm))
6252                 return true;
6253
6254         return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head);
6255 }
6256
6257 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw,
6258                              struct ieee80211_vif *vif,
6259                              struct cfg80211_set_hw_timestamp *hwts)
6260 {
6261         struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
6262         u32 protocols = 0;
6263         int ret;
6264
6265         /* HW timestamping is only supported for a specific station */
6266         if (!hwts->macaddr)
6267                 return -EOPNOTSUPP;
6268
6269         if (hwts->enable)
6270                 protocols =
6271                         IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM;
6272
6273         mutex_lock(&mvm->mutex);
6274         ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols);
6275         mutex_unlock(&mvm->mutex);
6276
6277         return ret;
6278 }
6279
6280 const struct ieee80211_ops iwl_mvm_hw_ops = {
6281         .tx = iwl_mvm_mac_tx,
6282         .wake_tx_queue = iwl_mvm_mac_wake_tx_queue,
6283         .ampdu_action = iwl_mvm_mac_ampdu_action,
6284         .get_antenna = iwl_mvm_op_get_antenna,
6285         .set_antenna = iwl_mvm_op_set_antenna,
6286         .start = iwl_mvm_mac_start,
6287         .reconfig_complete = iwl_mvm_mac_reconfig_complete,
6288         .stop = iwl_mvm_mac_stop,
6289         .add_interface = iwl_mvm_mac_add_interface,
6290         .remove_interface = iwl_mvm_mac_remove_interface,
6291         .config = iwl_mvm_mac_config,
6292         .prepare_multicast = iwl_mvm_prepare_multicast,
6293         .configure_filter = iwl_mvm_configure_filter,
6294         .config_iface_filter = iwl_mvm_config_iface_filter,
6295         .bss_info_changed = iwl_mvm_bss_info_changed,
6296         .hw_scan = iwl_mvm_mac_hw_scan,
6297         .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan,
6298         .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove,
6299         .sta_state = iwl_mvm_mac_sta_state,
6300         .sta_notify = iwl_mvm_mac_sta_notify,
6301         .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames,
6302         .release_buffered_frames = iwl_mvm_mac_release_buffered_frames,
6303         .set_rts_threshold = iwl_mvm_mac_set_rts_threshold,
6304         .sta_rc_update = iwl_mvm_sta_rc_update,
6305         .conf_tx = iwl_mvm_mac_conf_tx,
6306         .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
6307         .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx,
6308         .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
6309         .flush = iwl_mvm_mac_flush,
6310         .flush_sta = iwl_mvm_mac_flush_sta,
6311         .sched_scan_start = iwl_mvm_mac_sched_scan_start,
6312         .sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
6313         .set_key = iwl_mvm_mac_set_key,
6314         .update_tkip_key = iwl_mvm_mac_update_tkip_key,
6315         .remain_on_channel = iwl_mvm_roc,
6316         .cancel_remain_on_channel = iwl_mvm_cancel_roc,
6317         .add_chanctx = iwl_mvm_add_chanctx,
6318         .remove_chanctx = iwl_mvm_remove_chanctx,
6319         .change_chanctx = iwl_mvm_change_chanctx,
6320         .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx,
6321         .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx,
6322         .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx,
6323
6324         .start_ap = iwl_mvm_start_ap,
6325         .stop_ap = iwl_mvm_stop_ap,
6326         .join_ibss = iwl_mvm_start_ibss,
6327         .leave_ibss = iwl_mvm_stop_ibss,
6328
6329         .tx_last_beacon = iwl_mvm_tx_last_beacon,
6330
6331         .set_tim = iwl_mvm_set_tim,
6332
6333         .channel_switch = iwl_mvm_channel_switch,
6334         .pre_channel_switch = iwl_mvm_pre_channel_switch,
6335         .post_channel_switch = iwl_mvm_post_channel_switch,
6336         .abort_channel_switch = iwl_mvm_abort_channel_switch,
6337         .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon,
6338
6339         .tdls_channel_switch = iwl_mvm_tdls_channel_switch,
6340         .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,
6341         .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch,
6342
6343         .event_callback = iwl_mvm_mac_event_callback,
6344
6345         .sync_rx_queues = iwl_mvm_sync_rx_queues,
6346
6347         CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
6348
6349 #ifdef CONFIG_PM_SLEEP
6350         /* look at d3.c */
6351         .suspend = iwl_mvm_suspend,
6352         .resume = iwl_mvm_resume,
6353         .set_wakeup = iwl_mvm_set_wakeup,
6354         .set_rekey_data = iwl_mvm_set_rekey_data,
6355 #if IS_ENABLED(CONFIG_IPV6)
6356         .ipv6_addr_change = iwl_mvm_ipv6_addr_change,
6357 #endif
6358         .set_default_unicast_key = iwl_mvm_set_default_unicast_key,
6359 #endif
6360         .get_survey = iwl_mvm_mac_get_survey,
6361         .sta_statistics = iwl_mvm_mac_sta_statistics,
6362         .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats,
6363         .start_pmsr = iwl_mvm_start_pmsr,
6364         .abort_pmsr = iwl_mvm_abort_pmsr,
6365
6366         .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate,
6367 #ifdef CONFIG_IWLWIFI_DEBUGFS
6368         .vif_add_debugfs = iwl_mvm_vif_add_debugfs,
6369         .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs,
6370 #endif
6371         .set_hw_timestamp = iwl_mvm_set_hw_timestamp,
6372 };