1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2025 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/kernel.h> 8 #include <linux/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-nvm-utils.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 #define IWL_MVM_LIMITS(ap) \ 34 { \ 35 .max = 1, \ 36 .types = BIT(NL80211_IFTYPE_STATION), \ 37 }, \ 38 { \ 39 .max = 1, \ 40 .types = 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 static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 50 IWL_MVM_LIMITS(0) 51 }; 52 53 static const struct ieee80211_iface_limit iwl_mvm_limits_ap[] = { 54 IWL_MVM_LIMITS(BIT(NL80211_IFTYPE_AP)) 55 }; 56 57 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 58 { 59 .num_different_channels = 2, 60 .max_interfaces = 3, 61 .limits = iwl_mvm_limits, 62 .n_limits = ARRAY_SIZE(iwl_mvm_limits), 63 }, 64 { 65 .num_different_channels = 1, 66 .max_interfaces = 3, 67 .limits = iwl_mvm_limits_ap, 68 .n_limits = ARRAY_SIZE(iwl_mvm_limits_ap), 69 }, 70 }; 71 72 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 73 .max_peers = IWL_TOF_MAX_APS, 74 .report_ap_tsf = 1, 75 .randomize_mac_addr = 1, 76 77 .ftm = { 78 .supported = 1, 79 .asap = 1, 80 .non_asap = 1, 81 .request_lci = 1, 82 .request_civicloc = 1, 83 .trigger_based = 1, 84 .non_trigger_based = 1, 85 .max_bursts_exponent = -1, /* all supported */ 86 .max_ftms_per_burst = 0, /* no limits */ 87 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 88 BIT(NL80211_CHAN_WIDTH_20) | 89 BIT(NL80211_CHAN_WIDTH_40) | 90 BIT(NL80211_CHAN_WIDTH_80) | 91 BIT(NL80211_CHAN_WIDTH_160), 92 .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 93 BIT(NL80211_PREAMBLE_HT) | 94 BIT(NL80211_PREAMBLE_VHT) | 95 BIT(NL80211_PREAMBLE_HE), 96 }, 97 }; 98 99 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 100 enum set_key_cmd cmd, 101 struct ieee80211_vif *vif, 102 struct ieee80211_sta *sta, 103 struct ieee80211_key_conf *key); 104 105 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 106 { 107 int i; 108 109 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 110 for (i = 0; i < NUM_PHY_CTX; i++) { 111 mvm->phy_ctxts[i].id = i; 112 mvm->phy_ctxts[i].ref = 0; 113 } 114 } 115 116 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 117 const char *alpha2, 118 enum iwl_mcc_source src_id, 119 bool *changed) 120 { 121 struct ieee80211_regdomain *regd = NULL; 122 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 123 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 124 struct iwl_mcc_update_resp_v8 *resp; 125 u8 resp_ver; 126 127 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 128 129 lockdep_assert_held(&mvm->mutex); 130 131 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 132 if (IS_ERR_OR_NULL(resp)) { 133 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 134 PTR_ERR_OR_ZERO(resp)); 135 resp = NULL; 136 goto out; 137 } 138 139 if (changed) { 140 u32 status = le32_to_cpu(resp->status); 141 142 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 143 status == MCC_RESP_ILLEGAL); 144 } 145 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 146 MCC_UPDATE_CMD, 0); 147 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 148 149 regd = iwl_parse_nvm_mcc_info(mvm->trans, 150 __le32_to_cpu(resp->n_channels), 151 resp->channels, 152 __le16_to_cpu(resp->mcc), 153 __le16_to_cpu(resp->geo_info), 154 le32_to_cpu(resp->cap), resp_ver); 155 /* Store the return source id */ 156 src_id = resp->source_id; 157 if (IS_ERR_OR_NULL(regd)) { 158 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 159 PTR_ERR_OR_ZERO(regd)); 160 goto out; 161 } 162 163 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 164 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 165 mvm->lar_regdom_set = true; 166 mvm->mcc_src = src_id; 167 168 if (!iwl_puncturing_is_allowed_in_bios(mvm->bios_enable_puncturing, 169 le16_to_cpu(resp->mcc))) 170 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 171 else 172 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 173 174 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 175 176 out: 177 kfree(resp); 178 return regd; 179 } 180 181 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 182 { 183 bool changed; 184 struct ieee80211_regdomain *regd; 185 186 if (!iwl_mvm_is_lar_supported(mvm)) 187 return; 188 189 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 190 if (!IS_ERR_OR_NULL(regd)) { 191 /* only update the regulatory core if changed */ 192 if (changed) 193 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 194 195 kfree(regd); 196 } 197 } 198 199 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 200 bool *changed) 201 { 202 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 203 iwl_mvm_is_wifi_mcc_supported(mvm) ? 204 MCC_SOURCE_GET_CURRENT : 205 MCC_SOURCE_OLD_FW, changed); 206 } 207 208 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 209 { 210 enum iwl_mcc_source used_src; 211 struct ieee80211_regdomain *regd; 212 int ret; 213 bool changed; 214 const struct ieee80211_regdomain *r = 215 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 216 217 if (!r) 218 return -ENOENT; 219 220 /* save the last source in case we overwrite it below */ 221 used_src = mvm->mcc_src; 222 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 223 /* Notify the firmware we support wifi location updates */ 224 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 225 if (!IS_ERR_OR_NULL(regd)) 226 kfree(regd); 227 } 228 229 /* Now set our last stored MCC and source */ 230 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 231 &changed); 232 if (IS_ERR_OR_NULL(regd)) 233 return -EIO; 234 235 /* update cfg80211 if the regdomain was changed or the caller explicitly 236 * asked to update regdomain 237 */ 238 if (changed || force_regd_sync) 239 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 240 else 241 ret = 0; 242 243 kfree(regd); 244 return ret; 245 } 246 247 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 248 static const u8 he_if_types_ext_capa_sta[] = { 249 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 250 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_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 }; 255 256 static const u8 tm_if_types_ext_capa_sta[] = { 257 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 258 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 259 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 260 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 261 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 262 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 263 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 264 }; 265 266 /* Additional interface types for which extended capabilities are 267 * specified separately 268 */ 269 270 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 271 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 272 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 273 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 274 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 275 #define IWL_MVM_MLD_CAPA_OPS (FIELD_PREP_CONST( \ 276 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 277 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) | \ 278 IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT) 279 280 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 281 { 282 .iftype = NL80211_IFTYPE_STATION, 283 .extended_capabilities = he_if_types_ext_capa_sta, 284 .extended_capabilities_mask = he_if_types_ext_capa_sta, 285 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 286 /* relevant only if EHT is supported */ 287 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 288 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 289 }, 290 { 291 .iftype = NL80211_IFTYPE_STATION, 292 .extended_capabilities = tm_if_types_ext_capa_sta, 293 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 294 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 295 /* relevant only if EHT is supported */ 296 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 297 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 298 }, 299 }; 300 301 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 302 { 303 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 304 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 305 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 306 return 0; 307 } 308 309 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 310 { 311 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 312 313 /* This has been tested on those devices only */ 314 if (mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 315 mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_22000) 316 return -EOPNOTSUPP; 317 318 if (!mvm->nvm_data) 319 return -EBUSY; 320 321 /* mac80211 ensures the device is not started, 322 * so the firmware cannot be running 323 */ 324 325 mvm->set_tx_ant = tx_ant; 326 mvm->set_rx_ant = rx_ant; 327 328 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 329 330 return 0; 331 } 332 333 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 334 { 335 struct ieee80211_hw *hw = mvm->hw; 336 int num_mac, ret, i; 337 static const u32 mvm_ciphers[] = { 338 WLAN_CIPHER_SUITE_WEP40, 339 WLAN_CIPHER_SUITE_WEP104, 340 WLAN_CIPHER_SUITE_TKIP, 341 WLAN_CIPHER_SUITE_CCMP, 342 }; 343 #ifdef CONFIG_PM_SLEEP 344 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 345 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 346 #endif 347 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 348 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 349 350 /* Tell mac80211 our characteristics */ 351 ieee80211_hw_set(hw, SIGNAL_DBM); 352 ieee80211_hw_set(hw, SPECTRUM_MGMT); 353 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 354 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 355 ieee80211_hw_set(hw, SUPPORTS_PS); 356 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 357 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 358 ieee80211_hw_set(hw, CONNECTION_MONITOR); 359 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 360 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 361 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 362 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 363 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 364 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 365 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 366 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 367 368 /* Set this early since we need to have it for the check below */ 369 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 370 !iwlwifi_mod_params.disable_11ax && 371 !iwlwifi_mod_params.disable_11be) { 372 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 373 /* we handle this already earlier, but need it for MLO */ 374 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 375 } 376 377 /* With MLD FW API, it tracks timing by itself, 378 * no need for any timing from the host 379 */ 380 if (!mvm->mld_api_is_used) 381 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 382 383 /* 384 * On older devices, enabling TX A-MSDU occasionally leads to 385 * something getting messed up, the command read from the FIFO 386 * gets out of sync and isn't a TX command, so that we have an 387 * assert EDC. 388 * 389 * It's not clear where the bug is, but since we didn't used to 390 * support A-MSDU until moving the mac80211 iTXQs, just leave it 391 * for older devices. We also don't see this issue on any newer 392 * devices. 393 */ 394 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 395 ieee80211_hw_set(hw, TX_AMSDU); 396 ieee80211_hw_set(hw, TX_FRAG_LIST); 397 398 if (iwl_mvm_has_tlc_offload(mvm)) { 399 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 400 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 401 } 402 403 /* We want to use the mac80211's reorder buffer for 9000 */ 404 if (iwl_mvm_has_new_rx_api(mvm) && 405 mvm->trans->mac_cfg->device_family > IWL_DEVICE_FAMILY_9000) 406 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 407 408 if (fw_has_capa(&mvm->fw->ucode_capa, 409 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 410 ieee80211_hw_set(hw, AP_LINK_PS); 411 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 412 /* 413 * we absolutely need this for the new TX API since that comes 414 * with many more queues than the current code can deal with 415 * for station powersave 416 */ 417 return -EINVAL; 418 } 419 420 if (mvm->trans->info.num_rxqs > 1) 421 ieee80211_hw_set(hw, USES_RSS); 422 423 if (mvm->trans->info.max_skb_frags) 424 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 425 426 hw->queues = IEEE80211_NUM_ACS; 427 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 428 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 429 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 430 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 431 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 432 433 hw->radiotap_timestamp.units_pos = 434 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 435 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 436 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 437 hw->radiotap_timestamp.accuracy = 22; 438 439 if (!iwl_mvm_has_tlc_offload(mvm)) 440 hw->rate_control_algorithm = RS_NAME; 441 442 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 443 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 444 hw->max_tx_fragments = mvm->trans->info.max_skb_frags; 445 446 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 447 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 448 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 449 hw->wiphy->cipher_suites = mvm->ciphers; 450 451 if (iwl_mvm_has_new_rx_api(mvm)) { 452 mvm->ciphers[hw->wiphy->n_cipher_suites] = 453 WLAN_CIPHER_SUITE_GCMP; 454 hw->wiphy->n_cipher_suites++; 455 mvm->ciphers[hw->wiphy->n_cipher_suites] = 456 WLAN_CIPHER_SUITE_GCMP_256; 457 hw->wiphy->n_cipher_suites++; 458 } 459 460 if (iwlwifi_mod_params.swcrypto) 461 IWL_ERR(mvm, 462 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 463 if (!iwlwifi_mod_params.bt_coex_active) 464 IWL_ERR(mvm, 465 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 466 467 ieee80211_hw_set(hw, MFP_CAPABLE); 468 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 469 hw->wiphy->n_cipher_suites++; 470 if (iwl_mvm_has_new_rx_api(mvm)) { 471 mvm->ciphers[hw->wiphy->n_cipher_suites] = 472 WLAN_CIPHER_SUITE_BIP_GMAC_128; 473 hw->wiphy->n_cipher_suites++; 474 mvm->ciphers[hw->wiphy->n_cipher_suites] = 475 WLAN_CIPHER_SUITE_BIP_GMAC_256; 476 hw->wiphy->n_cipher_suites++; 477 } 478 479 wiphy_ext_feature_set(hw->wiphy, 480 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 481 wiphy_ext_feature_set(hw->wiphy, 482 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 483 484 if (fw_has_capa(&mvm->fw->ucode_capa, 485 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 486 wiphy_ext_feature_set(hw->wiphy, 487 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 488 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 489 } 490 491 if (sec_key_ver && 492 fw_has_capa(&mvm->fw->ucode_capa, 493 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 494 wiphy_ext_feature_set(hw->wiphy, 495 NL80211_EXT_FEATURE_BEACON_PROTECTION); 496 else if (fw_has_capa(&mvm->fw->ucode_capa, 497 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 498 wiphy_ext_feature_set(hw->wiphy, 499 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 500 501 if (fw_has_capa(&mvm->fw->ucode_capa, 502 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 503 hw->wiphy->hw_timestamp_max_peers = 1; 504 505 if (fw_has_capa(&mvm->fw->ucode_capa, 506 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 507 wiphy_ext_feature_set(hw->wiphy, 508 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 509 510 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 511 hw->wiphy->features |= 512 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 513 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 514 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 515 516 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 517 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 518 hw->chanctx_data_size = sizeof(u16); 519 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 520 521 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 522 BIT(NL80211_IFTYPE_P2P_CLIENT) | 523 BIT(NL80211_IFTYPE_AP) | 524 BIT(NL80211_IFTYPE_P2P_GO) | 525 BIT(NL80211_IFTYPE_P2P_DEVICE) | 526 BIT(NL80211_IFTYPE_ADHOC); 527 528 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 529 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 530 531 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 532 * the hw, preventing us to control which key(id) to use per MPDU. 533 * Till that's fixed we can't use Extended Key ID for the newer cards. 534 */ 535 if (!iwl_mvm_has_new_tx_api(mvm)) 536 wiphy_ext_feature_set(hw->wiphy, 537 NL80211_EXT_FEATURE_EXT_KEY_ID); 538 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 539 540 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 541 if (iwl_mvm_is_lar_supported(mvm)) 542 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 543 else 544 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 545 REGULATORY_DISABLE_BEACON_HINTS; 546 547 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 548 wiphy_ext_feature_set(hw->wiphy, 549 NL80211_EXT_FEATURE_DFS_CONCURRENT); 550 551 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 552 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 553 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 554 555 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 556 hw->wiphy->n_iface_combinations = 557 ARRAY_SIZE(iwl_mvm_iface_combinations); 558 559 hw->wiphy->max_remain_on_channel_duration = 10000; 560 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 561 562 /* Extract MAC address */ 563 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 564 hw->wiphy->addresses = mvm->addresses; 565 hw->wiphy->n_addresses = 1; 566 567 /* Extract additional MAC addresses if available */ 568 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 569 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 570 571 for (i = 1; i < num_mac; i++) { 572 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 573 ETH_ALEN); 574 mvm->addresses[i].addr[5]++; 575 hw->wiphy->n_addresses++; 576 } 577 578 iwl_mvm_reset_phy_ctxts(mvm); 579 580 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 581 582 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 583 584 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 585 BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 586 IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 587 588 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 589 mvm->max_scans = IWL_MAX_UMAC_SCANS; 590 else 591 mvm->max_scans = IWL_MAX_LMAC_SCANS; 592 593 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 594 hw->wiphy->bands[NL80211_BAND_2GHZ] = 595 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 596 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 597 hw->wiphy->bands[NL80211_BAND_5GHZ] = 598 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 599 600 if (fw_has_capa(&mvm->fw->ucode_capa, 601 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 602 fw_has_api(&mvm->fw->ucode_capa, 603 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 604 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 605 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 606 } 607 if (fw_has_capa(&mvm->fw->ucode_capa, 608 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 609 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 610 hw->wiphy->bands[NL80211_BAND_6GHZ] = 611 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 612 613 hw->wiphy->hw_version = mvm->trans->info.hw_id; 614 615 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 616 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 617 else 618 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 619 620 hw->wiphy->max_sched_scan_reqs = 1; 621 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 622 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 623 /* we create the 802.11 header and zero length SSID IE. */ 624 hw->wiphy->max_sched_scan_ie_len = 625 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 626 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 627 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 628 629 /* 630 * the firmware uses u8 for num of iterations, but 0xff is saved for 631 * infinite loop, so the maximum number of iterations is actually 254. 632 */ 633 hw->wiphy->max_sched_scan_plan_iterations = 254; 634 635 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 636 NL80211_FEATURE_LOW_PRIORITY_SCAN | 637 NL80211_FEATURE_P2P_GO_OPPPS | 638 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 639 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 640 641 /* when firmware supports RLC/SMPS offload, do not set these 642 * driver features, since it's no longer supported by driver. 643 */ 644 if (!iwl_mvm_has_rlc_offload(mvm)) 645 hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS | 646 NL80211_FEATURE_DYNAMIC_SMPS; 647 648 if (fw_has_capa(&mvm->fw->ucode_capa, 649 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 650 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 651 if (fw_has_capa(&mvm->fw->ucode_capa, 652 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 653 hw->wiphy->features |= NL80211_FEATURE_QUIET; 654 655 if (fw_has_capa(&mvm->fw->ucode_capa, 656 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 657 hw->wiphy->features |= 658 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 659 660 if (fw_has_capa(&mvm->fw->ucode_capa, 661 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 662 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 663 664 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 665 IWL_FW_CMD_VER_UNKNOWN) >= 3) 666 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 667 668 if (fw_has_api(&mvm->fw->ucode_capa, 669 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 670 wiphy_ext_feature_set(hw->wiphy, 671 NL80211_EXT_FEATURE_SCAN_START_TIME); 672 wiphy_ext_feature_set(hw->wiphy, 673 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 674 } 675 676 if (iwl_mvm_is_oce_supported(mvm)) { 677 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 678 679 wiphy_ext_feature_set(hw->wiphy, 680 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 681 wiphy_ext_feature_set(hw->wiphy, 682 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 683 wiphy_ext_feature_set(hw->wiphy, 684 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 685 686 /* Old firmware also supports probe deferral and suppression */ 687 if (scan_ver < 15) 688 wiphy_ext_feature_set(hw->wiphy, 689 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 690 } 691 692 hw->wiphy->iftype_ext_capab = NULL; 693 hw->wiphy->num_iftype_ext_capab = 0; 694 695 if (mvm->nvm_data->sku_cap_11ax_enable && 696 !iwlwifi_mod_params.disable_11ax) { 697 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 698 hw->wiphy->num_iftype_ext_capab = 699 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 700 701 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 702 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 703 } 704 705 if (iwl_fw_lookup_cmd_ver(mvm->fw, 706 WIDE_ID(DATA_PATH_GROUP, 707 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 708 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 709 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 710 711 if (!hw->wiphy->iftype_ext_capab) { 712 hw->wiphy->num_iftype_ext_capab = 1; 713 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 714 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 715 } else { 716 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 717 } 718 } 719 720 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 721 TOF_RANGE_REQ_CMD), 722 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 723 wiphy_ext_feature_set(hw->wiphy, 724 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 725 726 if (fw_has_capa(&mvm->fw->ucode_capa, 727 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 728 wiphy_ext_feature_set(hw->wiphy, 729 NL80211_EXT_FEATURE_SECURE_LTF); 730 } 731 732 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 733 734 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 735 736 #ifdef CONFIG_PM_SLEEP 737 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 738 device_can_wakeup(mvm->trans->dev)) { 739 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 740 WIPHY_WOWLAN_DISCONNECT | 741 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 742 WIPHY_WOWLAN_RFKILL_RELEASE | 743 WIPHY_WOWLAN_NET_DETECT; 744 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 745 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 746 WIPHY_WOWLAN_4WAY_HANDSHAKE; 747 748 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 749 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 750 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 751 mvm->wowlan.max_nd_match_sets = 752 iwl_umac_scan_get_max_profiles(mvm->fw); 753 hw->wiphy->wowlan = &mvm->wowlan; 754 } 755 #endif 756 757 ret = iwl_mvm_leds_init(mvm); 758 if (ret) 759 return ret; 760 761 if (fw_has_capa(&mvm->fw->ucode_capa, 762 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 763 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 764 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 765 ieee80211_hw_set(hw, TDLS_WIDER_BW); 766 } 767 768 if (fw_has_capa(&mvm->fw->ucode_capa, 769 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 770 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 771 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 772 } 773 774 hw->netdev_features |= mvm->trans->mac_cfg->base->features; 775 if (!iwl_mvm_is_csum_supported(mvm)) 776 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 777 778 if (mvm->cfg->vht_mu_mimo_supported) 779 wiphy_ext_feature_set(hw->wiphy, 780 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 781 782 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 783 wiphy_ext_feature_set(hw->wiphy, 784 NL80211_EXT_FEATURE_PROTECTED_TWT); 785 786 iwl_mvm_vendor_cmds_register(mvm); 787 788 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 789 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 790 791 ret = ieee80211_register_hw(mvm->hw); 792 if (ret) { 793 iwl_mvm_leds_exit(mvm); 794 } 795 796 return ret; 797 } 798 799 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 800 struct ieee80211_sta *sta) 801 { 802 if (likely(sta)) { 803 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 804 return; 805 } else { 806 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 807 return; 808 } 809 810 ieee80211_free_txskb(mvm->hw, skb); 811 } 812 813 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 814 struct ieee80211_tx_control *control, struct sk_buff *skb) 815 { 816 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 817 struct ieee80211_sta *sta = control->sta; 818 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 819 struct ieee80211_hdr *hdr = (void *)skb->data; 820 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 821 IEEE80211_TX_CTL_TX_OFFCHAN; 822 u32 link_id = u32_get_bits(info->control.flags, 823 IEEE80211_TX_CTRL_MLO_LINK); 824 struct ieee80211_sta *tmp_sta = sta; 825 826 if (iwl_mvm_is_radio_killed(mvm)) { 827 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 828 goto drop; 829 } 830 831 if (offchannel && 832 !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) && 833 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 834 goto drop; 835 836 /* 837 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 838 * so we treat the others as broadcast 839 */ 840 if (ieee80211_is_mgmt(hdr->frame_control)) 841 sta = NULL; 842 843 /* this shouldn't even happen: just drop */ 844 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 845 !offchannel) 846 goto drop; 847 848 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 849 !ieee80211_is_probe_resp(hdr->frame_control)) { 850 /* translate MLD addresses to LINK addresses */ 851 struct ieee80211_link_sta *link_sta = 852 rcu_dereference(tmp_sta->link[link_id]); 853 struct ieee80211_bss_conf *link_conf = 854 rcu_dereference(info->control.vif->link_conf[link_id]); 855 struct ieee80211_mgmt *mgmt; 856 857 if (WARN_ON(!link_sta || !link_conf)) 858 goto drop; 859 860 /* if sta is NULL, the frame is a management frame */ 861 mgmt = (void *)hdr; 862 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 863 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 864 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 865 } 866 867 iwl_mvm_tx_skb(mvm, skb, sta); 868 return; 869 drop: 870 ieee80211_free_txskb(hw, skb); 871 } 872 873 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 874 { 875 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 876 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 877 struct sk_buff *skb = NULL; 878 879 /* 880 * No need for threads to be pending here, they can leave the first 881 * taker all the work. 882 * 883 * mvmtxq->tx_request logic: 884 * 885 * If 0, no one is currently TXing, set to 1 to indicate current thread 886 * will now start TX and other threads should quit. 887 * 888 * If 1, another thread is currently TXing, set to 2 to indicate to 889 * that thread that there was another request. Since that request may 890 * have raced with the check whether the queue is empty, the TXing 891 * thread should check the queue's status one more time before leaving. 892 * This check is done in order to not leave any TX hanging in the queue 893 * until the next TX invocation (which may not even happen). 894 * 895 * If 2, another thread is currently TXing, and it will already double 896 * check the queue, so do nothing. 897 */ 898 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 899 return; 900 901 rcu_read_lock(); 902 do { 903 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 904 &mvmtxq->state) && 905 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 906 &mvmtxq->state) && 907 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 908 &mvmtxq->state) && 909 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 910 skb = ieee80211_tx_dequeue(hw, txq); 911 912 if (!skb) { 913 if (txq->sta) 914 IWL_DEBUG_TX(mvm, 915 "TXQ of sta %pM tid %d is now empty\n", 916 txq->sta->addr, 917 txq->tid); 918 break; 919 } 920 921 iwl_mvm_tx_skb(mvm, skb, txq->sta); 922 } 923 } while (atomic_dec_return(&mvmtxq->tx_request)); 924 rcu_read_unlock(); 925 } 926 927 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 928 struct ieee80211_txq *txq) 929 { 930 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 931 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 932 933 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 934 !txq->sta) { 935 iwl_mvm_mac_itxq_xmit(hw, txq); 936 return; 937 } 938 939 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 940 * to handle any packets we leave on the txq now 941 */ 942 943 spin_lock_bh(&mvm->add_stream_lock); 944 /* The list is being deleted only after the queue is fully allocated. */ 945 if (list_empty(&mvmtxq->list) && 946 /* recheck under lock */ 947 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 948 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 949 schedule_work(&mvm->add_stream_wk); 950 } 951 spin_unlock_bh(&mvm->add_stream_lock); 952 } 953 954 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 955 do { \ 956 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 957 break; \ 958 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 959 } while (0) 960 961 static void 962 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 963 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 964 enum ieee80211_ampdu_mlme_action action) 965 { 966 struct iwl_fw_dbg_trigger_tlv *trig; 967 struct iwl_fw_dbg_trigger_ba *ba_trig; 968 969 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 970 FW_DBG_TRIGGER_BA); 971 if (!trig) 972 return; 973 974 ba_trig = (void *)trig->data; 975 976 switch (action) { 977 case IEEE80211_AMPDU_TX_OPERATIONAL: { 978 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 979 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 980 981 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 982 "TX AGG START: MAC %pM tid %d ssn %d\n", 983 sta->addr, tid, tid_data->ssn); 984 break; 985 } 986 case IEEE80211_AMPDU_TX_STOP_CONT: 987 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 988 "TX AGG STOP: MAC %pM tid %d\n", 989 sta->addr, tid); 990 break; 991 case IEEE80211_AMPDU_RX_START: 992 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 993 "RX AGG START: MAC %pM tid %d ssn %d\n", 994 sta->addr, tid, rx_ba_ssn); 995 break; 996 case IEEE80211_AMPDU_RX_STOP: 997 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 998 "RX AGG STOP: MAC %pM tid %d\n", 999 sta->addr, tid); 1000 break; 1001 default: 1002 break; 1003 } 1004 } 1005 1006 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1007 struct ieee80211_vif *vif, 1008 struct ieee80211_ampdu_params *params) 1009 { 1010 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1011 int ret; 1012 struct ieee80211_sta *sta = params->sta; 1013 enum ieee80211_ampdu_mlme_action action = params->action; 1014 u16 tid = params->tid; 1015 u16 *ssn = ¶ms->ssn; 1016 u16 buf_size = params->buf_size; 1017 bool amsdu = params->amsdu; 1018 u16 timeout = params->timeout; 1019 1020 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1021 sta->addr, tid, action); 1022 1023 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1024 return -EACCES; 1025 1026 mutex_lock(&mvm->mutex); 1027 1028 switch (action) { 1029 case IEEE80211_AMPDU_RX_START: 1030 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1031 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1032 struct iwl_mvm_vif *mvmvif; 1033 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1034 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1035 1036 mdata->opened_rx_ba_sessions = true; 1037 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1038 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1039 } 1040 if (!iwl_enable_rx_ampdu()) { 1041 ret = -EINVAL; 1042 break; 1043 } 1044 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1045 timeout); 1046 break; 1047 case IEEE80211_AMPDU_RX_STOP: 1048 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1049 timeout); 1050 break; 1051 case IEEE80211_AMPDU_TX_START: 1052 if (!iwl_enable_tx_ampdu()) { 1053 ret = -EINVAL; 1054 break; 1055 } 1056 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1057 break; 1058 case IEEE80211_AMPDU_TX_STOP_CONT: 1059 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1060 break; 1061 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1062 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1063 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1064 break; 1065 case IEEE80211_AMPDU_TX_OPERATIONAL: 1066 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1067 buf_size, amsdu); 1068 break; 1069 default: 1070 WARN_ON_ONCE(1); 1071 ret = -EINVAL; 1072 break; 1073 } 1074 1075 if (!ret) { 1076 u16 rx_ba_ssn = 0; 1077 1078 if (action == IEEE80211_AMPDU_RX_START) 1079 rx_ba_ssn = *ssn; 1080 1081 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1082 rx_ba_ssn, action); 1083 } 1084 mutex_unlock(&mvm->mutex); 1085 1086 return ret; 1087 } 1088 1089 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1090 struct ieee80211_vif *vif) 1091 { 1092 struct iwl_mvm *mvm = data; 1093 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1094 struct iwl_probe_resp_data *probe_data; 1095 unsigned int link_id; 1096 1097 mvmvif->uploaded = false; 1098 1099 spin_lock_bh(&mvm->time_event_lock); 1100 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1101 spin_unlock_bh(&mvm->time_event_lock); 1102 1103 mvmvif->roc_activity = ROC_NUM_ACTIVITIES; 1104 1105 mvmvif->bf_enabled = false; 1106 mvmvif->ba_enabled = false; 1107 mvmvif->ap_sta = NULL; 1108 1109 mvmvif->esr_active = false; 1110 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1111 1112 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1113 mvmvif->link[link_id]->ap_sta_id = IWL_INVALID_STA; 1114 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1115 mvmvif->link[link_id]->phy_ctxt = NULL; 1116 mvmvif->link[link_id]->active = 0; 1117 mvmvif->link[link_id]->igtk = NULL; 1118 memset(&mvmvif->link[link_id]->bf_data, 0, 1119 sizeof(mvmvif->link[link_id]->bf_data)); 1120 } 1121 1122 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1123 lockdep_is_held(&mvm->mutex)); 1124 if (probe_data) 1125 kfree_rcu(probe_data, rcu_head); 1126 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1127 } 1128 1129 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1130 { 1131 struct iwl_mvm *mvm = data; 1132 struct iwl_mvm_sta *mvm_sta; 1133 struct ieee80211_vif *vif; 1134 int link_id; 1135 1136 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1137 vif = mvm_sta->vif; 1138 1139 if (!sta->valid_links) 1140 return; 1141 1142 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1143 struct iwl_mvm_link_sta *mvm_link_sta; 1144 1145 mvm_link_sta = 1146 rcu_dereference_check(mvm_sta->link[link_id], 1147 lockdep_is_held(&mvm->mutex)); 1148 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1149 /* 1150 * We have a link STA but the link is inactive in 1151 * mac80211. This will happen if we failed to 1152 * deactivate the link but mac80211 roll back the 1153 * deactivation of the link. 1154 * Delete the stale data to avoid issues later on. 1155 */ 1156 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1157 link_id); 1158 } 1159 } 1160 } 1161 1162 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1163 { 1164 iwl_mvm_stop_device(mvm); 1165 1166 mvm->cur_aid = 0; 1167 1168 mvm->scan_status = 0; 1169 mvm->ps_disabled = false; 1170 mvm->rfkill_safe_init_done = false; 1171 1172 /* just in case one was running */ 1173 iwl_mvm_cleanup_roc_te(mvm); 1174 ieee80211_remain_on_channel_expired(mvm->hw); 1175 1176 iwl_mvm_ftm_restart(mvm); 1177 1178 /* 1179 * cleanup all interfaces, even inactive ones, as some might have 1180 * gone down during the HW restart 1181 */ 1182 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1183 1184 /* cleanup stations as links may be gone after restart */ 1185 ieee80211_iterate_stations_atomic(mvm->hw, 1186 iwl_mvm_cleanup_sta_iterator, mvm); 1187 1188 mvm->p2p_device_vif = NULL; 1189 1190 iwl_mvm_reset_phy_ctxts(mvm); 1191 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1192 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1193 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1194 1195 ieee80211_wake_queues(mvm->hw); 1196 1197 mvm->rx_ba_sessions = 0; 1198 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1199 mvm->monitor_on = false; 1200 #ifdef CONFIG_IWLWIFI_DEBUGFS 1201 mvm->beacon_inject_active = false; 1202 #endif 1203 1204 /* keep statistics ticking */ 1205 iwl_mvm_accu_radio_stats(mvm); 1206 } 1207 1208 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1209 { 1210 bool fast_resume = false; 1211 int ret; 1212 1213 lockdep_assert_held(&mvm->mutex); 1214 1215 ret = iwl_mvm_mei_get_ownership(mvm); 1216 if (ret) 1217 return ret; 1218 1219 if (mvm->mei_nvm_data) { 1220 /* We got the NIC, we can now free the MEI NVM data */ 1221 kfree(mvm->mei_nvm_data); 1222 mvm->mei_nvm_data = NULL; 1223 1224 /* 1225 * We can't free the nvm_data we allocated based on the SAP 1226 * data because we registered to cfg80211 with the channels 1227 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1228 * just in order to be able free it later. 1229 * NULLify nvm_data so that we will read the NVM from the 1230 * firmware this time. 1231 */ 1232 mvm->temp_nvm_data = mvm->nvm_data; 1233 mvm->nvm_data = NULL; 1234 } 1235 1236 #ifdef CONFIG_PM_SLEEP 1237 /* fast_resume will be cleared by iwl_mvm_fast_resume */ 1238 fast_resume = mvm->fast_resume; 1239 1240 if (fast_resume) { 1241 iwl_mvm_mei_device_state(mvm, true); 1242 ret = iwl_mvm_fast_resume(mvm); 1243 if (ret) { 1244 iwl_mvm_stop_device(mvm); 1245 /* iwl_mvm_up() will be called further down */ 1246 } else { 1247 /* 1248 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1249 * mac_down() so that debugfs will stop honoring 1250 * requests after we flush all the workers. 1251 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1252 * now that we are back. This is a bit abusing the 1253 * flag since the firmware wasn't really ever stopped, 1254 * but this still serves the purpose. 1255 */ 1256 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1257 } 1258 } 1259 #endif /* CONFIG_PM_SLEEP */ 1260 1261 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1262 /* 1263 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1264 * so later code will - from now on - see that we're doing it. 1265 */ 1266 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1267 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1268 /* Clean up some internal and mac80211 state on restart */ 1269 iwl_mvm_restart_cleanup(mvm); 1270 } 1271 1272 /* we also want to load the firmware if fast_resume failed */ 1273 if (!fast_resume || ret) 1274 ret = iwl_mvm_up(mvm); 1275 1276 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1277 NULL); 1278 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1279 NULL); 1280 1281 mvm->last_reset_or_resume_time_jiffies = jiffies; 1282 1283 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1284 /* Something went wrong - we need to finish some cleanup 1285 * that normally iwl_mvm_mac_restart_complete() below 1286 * would do. 1287 */ 1288 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1289 } 1290 1291 return ret; 1292 } 1293 1294 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1295 { 1296 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1297 int ret; 1298 int retry, max_retry = 0; 1299 1300 mutex_lock(&mvm->mutex); 1301 1302 /* we are starting the mac not in error flow, and restart is enabled */ 1303 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1304 iwlwifi_mod_params.fw_restart) 1305 max_retry = IWL_MAX_INIT_RETRY; 1306 1307 for (retry = 0; retry <= max_retry; retry++) { 1308 ret = __iwl_mvm_mac_start(mvm); 1309 if (ret != -ETIMEDOUT) 1310 break; 1311 1312 IWL_ERR(mvm, "mac start retry %d\n", retry); 1313 } 1314 1315 mutex_unlock(&mvm->mutex); 1316 1317 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1318 1319 return ret; 1320 } 1321 1322 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1323 { 1324 int ret; 1325 1326 guard(mvm)(mvm); 1327 1328 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1329 1330 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1331 if (ret) 1332 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1333 ret); 1334 1335 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1336 1337 /* 1338 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1339 * of packets the FW sent out, so we must reconnect. 1340 */ 1341 iwl_mvm_teardown_tdls_peers(mvm); 1342 1343 IWL_INFO(mvm, "restart completed\n"); 1344 iwl_trans_finish_sw_reset(mvm->trans); 1345 1346 /* no need to lock, adding in parallel would schedule too */ 1347 if (!list_empty(&mvm->add_stream_txqs)) 1348 schedule_work(&mvm->add_stream_wk); 1349 } 1350 1351 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1352 enum ieee80211_reconfig_type reconfig_type) 1353 { 1354 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1355 1356 switch (reconfig_type) { 1357 case IEEE80211_RECONFIG_TYPE_RESTART: 1358 iwl_mvm_restart_complete(mvm); 1359 break; 1360 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1361 break; 1362 } 1363 } 1364 1365 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1366 { 1367 lockdep_assert_held(&mvm->mutex); 1368 1369 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1370 1371 /* firmware counters are obviously reset now, but we shouldn't 1372 * partially track so also clear the fw_reset_accu counters. 1373 */ 1374 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1375 1376 /* async_handlers_wk is now blocked */ 1377 1378 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1379 iwl_mvm_rm_aux_sta(mvm); 1380 1381 if (suspend && 1382 mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 1383 iwl_mvm_fast_suspend(mvm); 1384 /* From this point on, we won't touch the device */ 1385 iwl_mvm_mei_device_state(mvm, false); 1386 } else { 1387 iwl_mvm_stop_device(mvm); 1388 } 1389 1390 iwl_mvm_async_handlers_purge(mvm); 1391 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1392 1393 /* 1394 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1395 * hw (as restart_complete() won't be called in this case) and mac80211 1396 * won't execute the restart. 1397 * But make sure to cleanup interfaces that have gone down before/during 1398 * HW restart was requested. 1399 */ 1400 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1401 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1402 &mvm->status)) 1403 ieee80211_iterate_interfaces(mvm->hw, 0, 1404 iwl_mvm_cleanup_iterator, mvm); 1405 1406 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1407 * make sure there's nothing left there and warn if any is found. 1408 */ 1409 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1410 int i; 1411 1412 for (i = 0; i < mvm->max_scans; i++) { 1413 if (WARN_ONCE(mvm->scan_uid_status[i], 1414 "UMAC scan UID %d status was not cleaned\n", 1415 i)) 1416 mvm->scan_uid_status[i] = 0; 1417 } 1418 } 1419 } 1420 1421 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1422 { 1423 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1424 1425 /* Stop internal MLO scan, if running */ 1426 mutex_lock(&mvm->mutex); 1427 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1428 mutex_unlock(&mvm->mutex); 1429 1430 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1431 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1432 flush_work(&mvm->async_handlers_wk); 1433 flush_work(&mvm->add_stream_wk); 1434 1435 /* 1436 * Lock and clear the firmware running bit here already, so that 1437 * new commands coming in elsewhere, e.g. from debugfs, will not 1438 * be able to proceed. This is important here because one of those 1439 * debugfs files causes the firmware dump to be triggered, and if we 1440 * don't stop debugfs accesses before canceling that it could be 1441 * retriggered after we flush it but before we've cleared the bit. 1442 */ 1443 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1444 1445 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1446 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1447 1448 /* 1449 * The work item could be running or queued if the 1450 * ROC time event stops just as we get here. 1451 */ 1452 flush_work(&mvm->roc_done_wk); 1453 1454 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1455 1456 mutex_lock(&mvm->mutex); 1457 __iwl_mvm_mac_stop(mvm, suspend); 1458 mutex_unlock(&mvm->mutex); 1459 1460 /* 1461 * The worker might have been waiting for the mutex, let it run and 1462 * discover that its list is now empty. 1463 */ 1464 cancel_work_sync(&mvm->async_handlers_wk); 1465 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1466 } 1467 1468 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1469 { 1470 u16 i; 1471 1472 lockdep_assert_held(&mvm->mutex); 1473 1474 for (i = 0; i < NUM_PHY_CTX; i++) 1475 if (!mvm->phy_ctxts[i].ref) 1476 return &mvm->phy_ctxts[i]; 1477 1478 IWL_ERR(mvm, "No available PHY context\n"); 1479 return NULL; 1480 } 1481 1482 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, 1483 struct ieee80211_bss_conf *link_conf, 1484 s16 tx_power) 1485 { 1486 u32 cmd_id = REDUCE_TX_POWER_CMD; 1487 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(link_conf->vif); 1488 u32 mac_id = mvmvif->id; 1489 int len; 1490 struct iwl_dev_tx_power_cmd_v3_v8 cmd = { 1491 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK), 1492 .common.link_id = cpu_to_le32(mac_id), 1493 }; 1494 struct iwl_dev_tx_power_cmd cmd_v9_v10; 1495 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 3); 1496 u16 u_tx_power = tx_power == IWL_DEFAULT_MAX_TX_POWER ? 1497 IWL_DEV_MAX_TX_POWER : 8 * tx_power; 1498 void *cmd_data = &cmd; 1499 1500 cmd.common.pwr_restriction = cpu_to_le16(u_tx_power); 1501 1502 if (cmd_ver > 8) { 1503 u32 link_id; 1504 1505 if (WARN_ON(!mvmvif->link[link_conf->link_id])) 1506 return -ENODEV; 1507 1508 link_id = mvmvif->link[link_conf->link_id]->fw_link_id; 1509 1510 /* Those fields sit on the same place for v9 and v10 */ 1511 cmd_v9_v10.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK); 1512 cmd_v9_v10.common.link_id = cpu_to_le32(link_id); 1513 cmd_v9_v10.common.pwr_restriction = cpu_to_le16(u_tx_power); 1514 cmd_data = &cmd_v9_v10; 1515 } 1516 1517 if (cmd_ver == 10) 1518 len = sizeof(cmd_v9_v10.v10); 1519 else if (cmd_ver == 9) 1520 len = sizeof(cmd_v9_v10.v9); 1521 else if (cmd_ver == 8) 1522 len = sizeof(cmd.v8); 1523 else if (cmd_ver == 7) 1524 len = sizeof(cmd.v7); 1525 else if (cmd_ver == 6) 1526 len = sizeof(cmd.v6); 1527 else if (fw_has_api(&mvm->fw->ucode_capa, 1528 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1529 len = sizeof(cmd.v5); 1530 else if (fw_has_capa(&mvm->fw->ucode_capa, 1531 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1532 len = sizeof(cmd.v4); 1533 else 1534 len = sizeof(cmd.v3); 1535 1536 /* all structs have the same common part, add its length */ 1537 len += sizeof(cmd.common); 1538 1539 if (cmd_ver < 9) 1540 len += sizeof(cmd.per_band); 1541 1542 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, cmd_data); 1543 1544 } 1545 1546 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1547 { 1548 struct ieee80211_hw *hw = data; 1549 int i; 1550 1551 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1552 struct iwl_mvm_txq *mvmtxq = 1553 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1554 1555 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1556 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1557 } 1558 } 1559 1560 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1561 struct ieee80211_vif *vif, 1562 struct ieee80211_bss_conf *link_conf) 1563 { 1564 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1565 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1566 int ret; 1567 1568 mutex_lock(&mvm->mutex); 1569 1570 if (vif->type == NL80211_IFTYPE_STATION) { 1571 struct iwl_mvm_sta *mvmsta; 1572 unsigned int link_id = link_conf->link_id; 1573 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1574 1575 mvmvif->csa_bcn_pending = false; 1576 mvmvif->csa_blocks_tx = false; 1577 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1578 1579 if (WARN_ON(!mvmsta)) { 1580 ret = -EIO; 1581 goto out_unlock; 1582 } 1583 1584 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1585 if (mvm->mld_api_is_used) 1586 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1587 else 1588 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1589 1590 if (!fw_has_capa(&mvm->fw->ucode_capa, 1591 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1592 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1593 if (ret) 1594 goto out_unlock; 1595 1596 iwl_mvm_stop_session_protection(mvm, vif); 1597 } 1598 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1599 struct iwl_mvm_txq *mvmtxq = 1600 iwl_mvm_txq_from_mac80211(vif->txq); 1601 1602 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1603 1604 local_bh_disable(); 1605 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1606 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1607 local_bh_enable(); 1608 1609 mvmvif->csa_blocks_tx = false; 1610 } 1611 1612 mvmvif->ps_disabled = false; 1613 1614 ret = iwl_mvm_power_update_ps(mvm); 1615 1616 out_unlock: 1617 if (mvmvif->csa_failed) 1618 ret = -EIO; 1619 mutex_unlock(&mvm->mutex); 1620 1621 return ret; 1622 } 1623 1624 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1625 struct ieee80211_vif *vif, 1626 struct ieee80211_bss_conf *link_conf) 1627 { 1628 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1629 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1630 struct iwl_chan_switch_te_cmd cmd = { 1631 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1632 mvmvif->color)), 1633 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1634 }; 1635 1636 /* 1637 * In the new flow since FW is in charge of the timing, 1638 * if driver has canceled the channel switch he will receive the 1639 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1640 */ 1641 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1642 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1643 return; 1644 1645 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1646 1647 mutex_lock(&mvm->mutex); 1648 if (!fw_has_capa(&mvm->fw->ucode_capa, 1649 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1650 iwl_mvm_remove_csa_period(mvm, vif); 1651 else 1652 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1653 WIDE_ID(MAC_CONF_GROUP, 1654 CHANNEL_SWITCH_TIME_EVENT_CMD), 1655 0, sizeof(cmd), &cmd)); 1656 mvmvif->csa_failed = true; 1657 mutex_unlock(&mvm->mutex); 1658 1659 /* If we're here, we can't support MLD */ 1660 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1661 } 1662 1663 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1664 { 1665 struct iwl_mvm_vif *mvmvif; 1666 struct ieee80211_vif *vif; 1667 1668 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1669 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1670 1671 /* Trigger disconnect (should clear the CSA state) */ 1672 ieee80211_chswitch_done(vif, false, 0); 1673 } 1674 1675 static u8 1676 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1677 { 1678 int data_start; 1679 int control_start; 1680 int bw; 1681 1682 if (chandef->width == NL80211_CHAN_WIDTH_320) 1683 bw = 320; 1684 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1685 bw = 160; 1686 else 1687 return 0; 1688 1689 /* data is bw wide so the start is half the width */ 1690 data_start = chandef->center_freq1 - bw / 2; 1691 /* control is 20Mhz width */ 1692 control_start = chandef->chan->center_freq - 10; 1693 1694 return (control_start - data_start) / 80; 1695 } 1696 1697 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1698 struct ieee80211_vif *vif) 1699 { 1700 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1701 int ret; 1702 1703 lockdep_assert_held(&mvm->mutex); 1704 1705 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1706 if (ret) { 1707 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1708 return ret; 1709 } 1710 1711 /* Only queue for this station is the mcast queue, 1712 * which shouldn't be in TFD mask anyway 1713 */ 1714 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1715 vif->type, 1716 IWL_STA_MULTICAST); 1717 } 1718 1719 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1720 struct wiphy_work *wk) 1721 { 1722 struct iwl_mvm_vif *mvmvif = 1723 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1724 struct iwl_mvm *mvm = mvmvif->mvm; 1725 struct ieee80211_vif *vif = 1726 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1727 1728 guard(mvm)(mvm); 1729 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1730 } 1731 1732 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1733 { 1734 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1735 mlo_int_scan_wk.work); 1736 struct ieee80211_vif *vif = 1737 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1738 1739 guard(mvm)(mvmvif->mvm); 1740 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1741 } 1742 1743 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1744 { 1745 struct iwl_mvm_vif *mvmvif = 1746 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1747 struct iwl_mvm *mvm = mvmvif->mvm; 1748 struct ieee80211_vif *vif = 1749 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1750 1751 guard(mvm)(mvm); 1752 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1753 } 1754 1755 static void iwl_mvm_unblock_esr_tmp_non_bss(struct wiphy *wiphy, 1756 struct wiphy_work *wk) 1757 { 1758 struct iwl_mvm_vif *mvmvif = 1759 container_of(wk, struct iwl_mvm_vif, 1760 unblock_esr_tmp_non_bss_wk.work); 1761 struct iwl_mvm *mvm = mvmvif->mvm; 1762 struct ieee80211_vif *vif = 1763 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1764 1765 mutex_lock(&mvm->mutex); 1766 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TMP_NON_BSS); 1767 mutex_unlock(&mvm->mutex); 1768 } 1769 1770 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1771 { 1772 lockdep_assert_held(&mvm->mutex); 1773 1774 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1775 return; 1776 1777 INIT_DELAYED_WORK(&mvmvif->csa_work, 1778 iwl_mvm_channel_switch_disconnect_wk); 1779 1780 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1781 iwl_mvm_prevent_esr_done_wk); 1782 1783 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1784 iwl_mvm_mlo_int_scan_wk); 1785 1786 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1787 iwl_mvm_unblock_esr_tpt); 1788 1789 wiphy_delayed_work_init(&mvmvif->unblock_esr_tmp_non_bss_wk, 1790 iwl_mvm_unblock_esr_tmp_non_bss); 1791 } 1792 1793 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1794 struct ieee80211_vif *vif) 1795 { 1796 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1797 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1798 int ret; 1799 int i; 1800 1801 mutex_lock(&mvm->mutex); 1802 1803 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1804 1805 mvmvif->mvm = mvm; 1806 1807 /* the first link always points to the default one */ 1808 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1809 mvmvif->deflink.active = 0; 1810 mvmvif->link[0] = &mvmvif->deflink; 1811 1812 vif->driver_flags = IEEE80211_VIF_REMOVE_AP_AFTER_DISASSOC; 1813 1814 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1815 if (ret) 1816 goto out; 1817 1818 /* 1819 * Not much to do here. The stack will not allow interface 1820 * types or combinations that we didn't advertise, so we 1821 * don't really have to check the types. 1822 */ 1823 1824 /* make sure that beacon statistics don't go backwards with FW reset */ 1825 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1826 for_each_mvm_vif_valid_link(mvmvif, i) 1827 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1828 mvmvif->link[i]->beacon_stats.num_beacons; 1829 1830 /* Allocate resources for the MAC context, and add it to the fw */ 1831 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1832 if (ret) 1833 goto out; 1834 1835 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1836 1837 /* Currently not much to do for NAN */ 1838 if (vif->type == NL80211_IFTYPE_NAN) { 1839 ret = 0; 1840 goto out; 1841 } 1842 1843 /* 1844 * The AP binding flow can be done only after the beacon 1845 * template is configured (which happens only in the mac80211 1846 * start_ap() flow), and adding the broadcast station can happen 1847 * only after the binding. 1848 * In addition, since modifying the MAC before adding a bcast 1849 * station is not allowed by the FW, delay the adding of MAC context to 1850 * the point where we can also add the bcast station. 1851 * In short: there's not much we can do at this point, other than 1852 * allocating resources :) 1853 */ 1854 if (vif->type == NL80211_IFTYPE_AP || 1855 vif->type == NL80211_IFTYPE_ADHOC) { 1856 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1857 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1858 ret = 0; 1859 goto out; 1860 } 1861 1862 mvmvif->features |= hw->netdev_features; 1863 1864 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1865 if (ret) 1866 goto out_unlock; 1867 1868 ret = iwl_mvm_power_update_mac(mvm); 1869 if (ret) 1870 goto out_remove_mac; 1871 1872 /* beacon filtering */ 1873 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1874 if (ret) 1875 goto out_remove_mac; 1876 1877 if (!mvm->bf_allowed_vif && 1878 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1879 mvm->bf_allowed_vif = mvmvif; 1880 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1881 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1882 } 1883 1884 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1885 mvm->p2p_device_vif = vif; 1886 1887 iwl_mvm_tcm_add_vif(mvm, vif); 1888 1889 if (vif->type == NL80211_IFTYPE_MONITOR) { 1890 mvm->monitor_on = true; 1891 mvm->monitor_p80 = 1892 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1893 } 1894 1895 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1896 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1897 1898 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1899 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1900 !mvm->csme_vif && mvm->mei_registered) { 1901 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1902 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1903 mvm->csme_vif = vif; 1904 } 1905 1906 out: 1907 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1908 vif->type == NL80211_IFTYPE_ADHOC)) 1909 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1910 1911 goto out_unlock; 1912 1913 out_remove_mac: 1914 mvmvif->deflink.phy_ctxt = NULL; 1915 iwl_mvm_mac_ctxt_remove(mvm, vif); 1916 out_unlock: 1917 mutex_unlock(&mvm->mutex); 1918 1919 return ret; 1920 } 1921 1922 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1923 struct ieee80211_vif *vif) 1924 { 1925 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1926 1927 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1928 /* 1929 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1930 * We assume here that all the packets sent to the OFFCHANNEL 1931 * queue are sent in ROC session. 1932 */ 1933 flush_work(&mvm->roc_done_wk); 1934 } 1935 1936 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1937 &mvmvif->prevent_esr_done_wk); 1938 1939 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1940 &mvmvif->mlo_int_scan_wk); 1941 1942 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1943 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1944 &mvmvif->unblock_esr_tmp_non_bss_wk); 1945 1946 cancel_delayed_work_sync(&mvmvif->csa_work); 1947 } 1948 1949 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1950 struct ieee80211_vif *vif) 1951 { 1952 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1953 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1954 struct iwl_probe_resp_data *probe_data; 1955 1956 iwl_mvm_prepare_mac_removal(mvm, vif); 1957 1958 if (!(vif->type == NL80211_IFTYPE_AP || 1959 vif->type == NL80211_IFTYPE_ADHOC)) 1960 iwl_mvm_tcm_rm_vif(mvm, vif); 1961 1962 mutex_lock(&mvm->mutex); 1963 1964 if (vif == mvm->csme_vif) { 1965 iwl_mei_set_netdev(NULL); 1966 mvm->csme_vif = NULL; 1967 } 1968 1969 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1970 lockdep_is_held(&mvm->mutex)); 1971 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1972 if (probe_data) 1973 kfree_rcu(probe_data, rcu_head); 1974 1975 if (mvm->bf_allowed_vif == mvmvif) { 1976 mvm->bf_allowed_vif = NULL; 1977 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1978 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1979 } 1980 1981 if (vif->bss_conf.ftm_responder) 1982 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1983 1984 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1985 1986 /* 1987 * For AP/GO interface, the tear down of the resources allocated to the 1988 * interface is be handled as part of the stop_ap flow. 1989 */ 1990 if (vif->type == NL80211_IFTYPE_AP || 1991 vif->type == NL80211_IFTYPE_ADHOC) 1992 goto out; 1993 1994 iwl_mvm_power_update_mac(mvm); 1995 1996 /* Before the interface removal, mac80211 would cancel the ROC, and the 1997 * ROC worker would be scheduled if needed. The worker would be flushed 1998 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1999 * binding etc. so nothing needs to be done here. 2000 */ 2001 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 2002 if (mvmvif->deflink.phy_ctxt) { 2003 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 2004 mvmvif->deflink.phy_ctxt = NULL; 2005 } 2006 mvm->p2p_device_vif = NULL; 2007 } 2008 2009 iwl_mvm_mac_ctxt_remove(mvm, vif); 2010 2011 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 2012 2013 if (vif->type == NL80211_IFTYPE_MONITOR) 2014 mvm->monitor_on = false; 2015 2016 out: 2017 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 2018 if (vif->type == NL80211_IFTYPE_AP || 2019 vif->type == NL80211_IFTYPE_ADHOC) { 2020 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 2021 iwl_mvm_dealloc_bcast_sta(mvm, vif); 2022 } 2023 2024 mutex_unlock(&mvm->mutex); 2025 } 2026 2027 struct iwl_mvm_mc_iter_data { 2028 struct iwl_mvm *mvm; 2029 int port_id; 2030 }; 2031 2032 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 2033 struct ieee80211_vif *vif) 2034 { 2035 struct iwl_mvm_mc_iter_data *data = _data; 2036 struct iwl_mvm *mvm = data->mvm; 2037 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 2038 struct iwl_host_cmd hcmd = { 2039 .id = MCAST_FILTER_CMD, 2040 .flags = CMD_ASYNC, 2041 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2042 }; 2043 int ret, len; 2044 2045 /* if we don't have free ports, mcast frames will be dropped */ 2046 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2047 return; 2048 2049 if (vif->type != NL80211_IFTYPE_STATION || 2050 !vif->cfg.assoc) 2051 return; 2052 2053 cmd->port_id = data->port_id++; 2054 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2055 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2056 2057 hcmd.len[0] = len; 2058 hcmd.data[0] = cmd; 2059 2060 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2061 if (ret) 2062 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2063 } 2064 2065 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2066 { 2067 struct iwl_mvm_mc_iter_data iter_data = { 2068 .mvm = mvm, 2069 }; 2070 int ret; 2071 2072 lockdep_assert_held(&mvm->mutex); 2073 2074 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2075 return; 2076 2077 ieee80211_iterate_active_interfaces_atomic( 2078 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2079 iwl_mvm_mc_iface_iterator, &iter_data); 2080 2081 /* 2082 * Send a (synchronous) ech command so that we wait for the 2083 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2084 * the interface iterator. Otherwise, we might get here over 2085 * and over again (by userspace just sending a lot of these) 2086 * and the CPU can send them faster than the firmware can 2087 * process them. 2088 * Note that the CPU is still faster - but with this we'll 2089 * actually send fewer commands overall because the CPU will 2090 * not schedule the work in mac80211 as frequently if it's 2091 * still running when rescheduled (possibly multiple times). 2092 */ 2093 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2094 if (ret) 2095 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2096 } 2097 2098 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2099 struct netdev_hw_addr_list *mc_list) 2100 { 2101 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2102 struct iwl_mcast_filter_cmd *cmd; 2103 struct netdev_hw_addr *addr; 2104 int addr_count; 2105 bool pass_all; 2106 int len; 2107 2108 addr_count = netdev_hw_addr_list_count(mc_list); 2109 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2110 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2111 if (pass_all) 2112 addr_count = 0; 2113 2114 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2115 cmd = kzalloc(len, GFP_ATOMIC); 2116 if (!cmd) 2117 return 0; 2118 2119 if (pass_all) { 2120 cmd->pass_all = 1; 2121 return (u64)(unsigned long)cmd; 2122 } 2123 2124 netdev_hw_addr_list_for_each(addr, mc_list) { 2125 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2126 cmd->count, addr->addr); 2127 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2128 addr->addr, ETH_ALEN); 2129 cmd->count++; 2130 } 2131 2132 return (u64)(unsigned long)cmd; 2133 } 2134 2135 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2136 unsigned int changed_flags, 2137 unsigned int *total_flags, u64 multicast) 2138 { 2139 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2140 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2141 2142 guard(mvm)(mvm); 2143 2144 /* replace previous configuration */ 2145 kfree(mvm->mcast_filter_cmd); 2146 mvm->mcast_filter_cmd = cmd; 2147 2148 if (!cmd) 2149 goto out; 2150 2151 if (changed_flags & FIF_ALLMULTI) 2152 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2153 2154 if (cmd->pass_all) 2155 cmd->count = 0; 2156 2157 iwl_mvm_recalc_multicast(mvm); 2158 out: 2159 *total_flags = 0; 2160 } 2161 2162 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2163 struct ieee80211_vif *vif, 2164 unsigned int filter_flags, 2165 unsigned int changed_flags) 2166 { 2167 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2168 2169 /* We support only filter for probe requests */ 2170 if (!(changed_flags & FIF_PROBE_REQ)) 2171 return; 2172 2173 /* Supported only for p2p client interfaces */ 2174 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2175 !vif->p2p) 2176 return; 2177 2178 guard(mvm)(mvm); 2179 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2180 } 2181 2182 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2183 { 2184 struct iwl_mu_group_mgmt_cmd cmd = {}; 2185 2186 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2187 WLAN_MEMBERSHIP_LEN); 2188 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2189 WLAN_USER_POSITION_LEN); 2190 2191 return iwl_mvm_send_cmd_pdu(mvm, 2192 WIDE_ID(DATA_PATH_GROUP, 2193 UPDATE_MU_GROUPS_CMD), 2194 0, sizeof(cmd), &cmd); 2195 } 2196 2197 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2198 struct ieee80211_vif *vif) 2199 { 2200 if (vif->bss_conf.mu_mimo_owner) { 2201 struct iwl_mu_group_mgmt_notif *notif = _data; 2202 2203 /* 2204 * MU-MIMO Group Id action frame is little endian. We treat 2205 * the data received from firmware as if it came from the 2206 * action frame, so no conversion is needed. 2207 */ 2208 ieee80211_update_mu_groups(vif, 0, 2209 (u8 *)¬if->membership_status, 2210 (u8 *)¬if->user_position); 2211 } 2212 } 2213 2214 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2215 struct iwl_rx_cmd_buffer *rxb) 2216 { 2217 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2218 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2219 2220 ieee80211_iterate_active_interfaces_atomic( 2221 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2222 iwl_mvm_mu_mimo_iface_iterator, notif); 2223 } 2224 2225 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2226 { 2227 u8 byte_num = ppe_pos_bit / 8; 2228 u8 bit_num = ppe_pos_bit % 8; 2229 u8 residue_bits; 2230 u8 res; 2231 2232 if (bit_num <= 5) 2233 return (ppe[byte_num] >> bit_num) & 2234 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2235 2236 /* 2237 * If bit_num > 5, we have to combine bits with next byte. 2238 * Calculate how many bits we need to take from current byte (called 2239 * here "residue_bits"), and add them to bits from next byte. 2240 */ 2241 2242 residue_bits = 8 - bit_num; 2243 2244 res = (ppe[byte_num + 1] & 2245 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2246 residue_bits; 2247 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2248 2249 return res; 2250 } 2251 2252 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2253 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2254 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2255 bool inheritance) 2256 { 2257 int i; 2258 2259 /* 2260 * FW currently supports only nss == MAX_HE_SUPP_NSS 2261 * 2262 * If nss > MAX: we can ignore values we don't support 2263 * If nss < MAX: we can set zeros in other streams 2264 */ 2265 if (nss > MAX_HE_SUPP_NSS) { 2266 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2267 MAX_HE_SUPP_NSS); 2268 nss = MAX_HE_SUPP_NSS; 2269 } 2270 2271 for (i = 0; i < nss; i++) { 2272 u8 ru_index_tmp = ru_index_bitmap << 1; 2273 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2274 u8 bw; 2275 2276 for (bw = 0; 2277 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2278 bw++) { 2279 ru_index_tmp >>= 1; 2280 2281 /* 2282 * According to the 11be spec, if for a specific BW the PPE Thresholds 2283 * isn't present - it should inherit the thresholds from the last 2284 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2285 * this inheritance - continue in this case 2286 */ 2287 if (!(ru_index_tmp & 1)) { 2288 if (inheritance) 2289 goto set_thresholds; 2290 else 2291 continue; 2292 } 2293 2294 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2295 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2296 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2297 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2298 2299 set_thresholds: 2300 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2301 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2302 } 2303 } 2304 } 2305 2306 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2307 struct ieee80211_link_sta *link_sta, 2308 struct iwl_he_pkt_ext_v2 *pkt_ext, 2309 bool inheritance) 2310 { 2311 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2312 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2313 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2314 u8 ru_index_bitmap = 2315 u8_get_bits(*ppe, 2316 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2317 /* Starting after PPE header */ 2318 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2319 2320 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2321 inheritance); 2322 } 2323 2324 static int 2325 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2326 u8 nominal_padding) 2327 { 2328 int low_th = -1; 2329 int high_th = -1; 2330 int i; 2331 2332 /* all the macros are the same for EHT and HE */ 2333 switch (nominal_padding) { 2334 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2335 low_th = IWL_HE_PKT_EXT_NONE; 2336 high_th = IWL_HE_PKT_EXT_NONE; 2337 break; 2338 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2339 low_th = IWL_HE_PKT_EXT_BPSK; 2340 high_th = IWL_HE_PKT_EXT_NONE; 2341 break; 2342 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2343 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2344 low_th = IWL_HE_PKT_EXT_NONE; 2345 high_th = IWL_HE_PKT_EXT_BPSK; 2346 break; 2347 } 2348 2349 if (low_th < 0 || high_th < 0) 2350 return -EINVAL; 2351 2352 /* Set the PPE thresholds accordingly */ 2353 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2354 u8 bw; 2355 2356 for (bw = 0; 2357 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2358 bw++) { 2359 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2360 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2361 } 2362 } 2363 2364 return 0; 2365 } 2366 2367 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2368 u8 nominal_padding) 2369 { 2370 int i; 2371 2372 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2373 u8 bw; 2374 2375 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2376 bw++) { 2377 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2378 2379 if (nominal_padding > 2380 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2381 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2382 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2383 else if (nominal_padding == 2384 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2385 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2386 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2387 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2388 } 2389 } 2390 } 2391 2392 /* Set the pkt_ext field according to PPE Thresholds element */ 2393 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2394 struct ieee80211_link_sta *link_sta, 2395 struct iwl_he_pkt_ext_v2 *pkt_ext) 2396 { 2397 u8 nominal_padding; 2398 int i, ret = 0; 2399 2400 if (WARN_ON(!link_sta)) 2401 return -EINVAL; 2402 2403 /* Initialize the PPE thresholds to "None" (7), as described in Table 2404 * 9-262ac of 80211.ax/D3.0. 2405 */ 2406 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2407 sizeof(struct iwl_he_pkt_ext_v2)); 2408 2409 if (link_sta->eht_cap.has_eht) { 2410 nominal_padding = 2411 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2412 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2413 2414 /* If PPE Thresholds exists, parse them into a FW-familiar 2415 * format. 2416 */ 2417 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2418 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2419 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2420 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2421 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2422 u8 ru_index_bitmap = 2423 u16_get_bits(*ppe, 2424 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2425 /* Starting after PPE header */ 2426 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2427 2428 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2429 ppe, ppe_pos_bit, true); 2430 /* EHT PPE Thresholds doesn't exist - set the API according to 2431 * HE PPE Tresholds 2432 */ 2433 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2434 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2435 /* Even though HE Capabilities IE doesn't contain PPE 2436 * Thresholds for BW 320Mhz, thresholds for this BW will 2437 * be filled in with the same values as 160Mhz, due to 2438 * the inheritance, as required. 2439 */ 2440 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2441 true); 2442 2443 /* According to the requirements, for MCSs 12-13 the 2444 * maximum value between HE PPE Threshold and Common 2445 * Nominal Packet Padding needs to be taken 2446 */ 2447 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2448 2449 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2450 * take the Thresholds from Common Nominal Packet Padding field 2451 */ 2452 } else { 2453 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2454 nominal_padding); 2455 } 2456 } else if (link_sta->he_cap.has_he) { 2457 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2458 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2459 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2460 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2461 false); 2462 /* PPE Thresholds doesn't exist - set the API PPE values 2463 * according to Common Nominal Packet Padding field. 2464 */ 2465 } else { 2466 nominal_padding = 2467 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2468 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2469 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2470 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2471 nominal_padding); 2472 } 2473 } 2474 2475 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2476 int bw; 2477 2478 for (bw = 0; 2479 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2480 bw++) { 2481 u8 *qam_th = 2482 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2483 2484 IWL_DEBUG_HT(mvm, 2485 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2486 i, bw, qam_th[0], qam_th[1]); 2487 } 2488 } 2489 return ret; 2490 } 2491 2492 /* 2493 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2494 * is enabled or not 2495 */ 2496 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2497 const struct iwl_mvm_vif_link_info *link_info, 2498 struct iwl_he_backoff_conf *trig_based_txf) 2499 { 2500 int i; 2501 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2502 bool mu_edca_enabled = true; 2503 2504 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2505 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2506 &link_info->queue_params[i].mu_edca_param_rec; 2507 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2508 2509 if (!link_info->queue_params[i].mu_edca) { 2510 mu_edca_enabled = false; 2511 break; 2512 } 2513 2514 trig_based_txf[ac].cwmin = 2515 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2516 trig_based_txf[ac].cwmax = 2517 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2518 trig_based_txf[ac].aifsn = 2519 cpu_to_le16(mu_edca->aifsn & 0xf); 2520 trig_based_txf[ac].mu_time = 2521 cpu_to_le16(mu_edca->mu_edca_timer); 2522 } 2523 2524 return mu_edca_enabled; 2525 } 2526 2527 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2528 { 2529 const struct ieee80211_supported_band *sband; 2530 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2531 2532 /* This capability is the same for all bands, 2533 * so take it from one of them. 2534 */ 2535 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2536 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2537 2538 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2539 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2540 } 2541 2542 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2543 struct ieee80211_link_sta *link_sta) 2544 { 2545 u8 *mac_cap_info = 2546 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2547 __le32 htc_flags = 0; 2548 2549 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2550 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2551 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2552 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2553 u8 link_adap = 2554 ((mac_cap_info[2] & 2555 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2556 (mac_cap_info[1] & 2557 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2558 2559 if (link_adap == 2) 2560 htc_flags |= 2561 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2562 else if (link_adap == 3) 2563 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2564 } 2565 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2566 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2567 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2568 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2569 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2570 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2571 2572 return htc_flags; 2573 } 2574 2575 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2576 struct ieee80211_vif *vif, u8 sta_id) 2577 { 2578 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2579 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2580 .sta_id = sta_id, 2581 .tid_limit = IWL_MAX_TID_COUNT, 2582 .bss_color = vif->bss_conf.he_bss_color.color, 2583 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2584 .frame_time_rts_th = 2585 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2586 }; 2587 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2588 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2589 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2590 int size; 2591 struct ieee80211_sta *sta; 2592 u32 flags; 2593 int i; 2594 void *cmd; 2595 2596 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2597 ver = 1; 2598 2599 switch (ver) { 2600 case 1: 2601 /* same layout as v2 except some data at the end */ 2602 cmd = &sta_ctxt_cmd_v2; 2603 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2604 break; 2605 case 2: 2606 cmd = &sta_ctxt_cmd_v2; 2607 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2608 break; 2609 case 3: 2610 cmd = &sta_ctxt_cmd; 2611 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2612 break; 2613 default: 2614 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2615 return; 2616 } 2617 2618 rcu_read_lock(); 2619 2620 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2621 if (IS_ERR_OR_NULL(sta)) { 2622 rcu_read_unlock(); 2623 WARN(1, "Can't find STA to configure HE\n"); 2624 return; 2625 } 2626 2627 if (!sta->deflink.he_cap.has_he) { 2628 rcu_read_unlock(); 2629 return; 2630 } 2631 2632 flags = 0; 2633 2634 /* Block 26-tone RU OFDMA transmissions */ 2635 if (mvmvif->deflink.he_ru_2mhz_block) 2636 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2637 2638 /* HTC flags */ 2639 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2640 2641 /* PPE Thresholds */ 2642 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2643 flags |= STA_CTXT_HE_PACKET_EXT; 2644 2645 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2646 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2647 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2648 2649 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2650 IEEE80211_HE_MAC_CAP2_ACK_EN) 2651 flags |= STA_CTXT_HE_ACK_ENABLED; 2652 2653 rcu_read_unlock(); 2654 2655 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2656 &sta_ctxt_cmd.trig_based_txf[0])) 2657 flags |= STA_CTXT_HE_MU_EDCA_CW; 2658 2659 if (vif->bss_conf.uora_exists) { 2660 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2661 2662 sta_ctxt_cmd.rand_alloc_ecwmin = 2663 vif->bss_conf.uora_ocw_range & 0x7; 2664 sta_ctxt_cmd.rand_alloc_ecwmax = 2665 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2666 } 2667 2668 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2669 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2670 2671 if (vif->bss_conf.nontransmitted) { 2672 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2673 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2674 vif->bss_conf.transmitter_bssid); 2675 sta_ctxt_cmd.max_bssid_indicator = 2676 vif->bss_conf.bssid_indicator; 2677 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2678 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2679 sta_ctxt_cmd.profile_periodicity = 2680 vif->bss_conf.profile_periodicity; 2681 } 2682 2683 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2684 2685 if (ver < 3) { 2686 /* fields before pkt_ext */ 2687 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2688 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2689 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2690 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2691 2692 /* pkt_ext */ 2693 for (i = 0; 2694 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2695 i++) { 2696 u8 bw; 2697 2698 for (bw = 0; 2699 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2700 bw++) { 2701 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2702 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2703 2704 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2705 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2706 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2707 } 2708 } 2709 2710 /* fields after pkt_ext */ 2711 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2712 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2713 sizeof(sta_ctxt_cmd_v2) - 2714 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2715 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2716 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2717 (u8 *)&sta_ctxt_cmd + 2718 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2719 sizeof(sta_ctxt_cmd) - 2720 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2721 sta_ctxt_cmd_v2.reserved3 = 0; 2722 } 2723 2724 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2725 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2726 } 2727 2728 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2729 u32 duration_override, unsigned int link_id) 2730 { 2731 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2732 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2733 2734 if (duration_override > duration) 2735 duration = duration_override; 2736 2737 /* Try really hard to protect the session and hear a beacon 2738 * The new session protection command allows us to protect the 2739 * session for a much longer time since the firmware will internally 2740 * create two events: a 300TU one with a very high priority that 2741 * won't be fragmented which should be enough for 99% of the cases, 2742 * and another one (which we configure here to be 900TU long) which 2743 * will have a slightly lower priority, but more importantly, can be 2744 * fragmented so that it'll allow other activities to run. 2745 */ 2746 if (fw_has_capa(&mvm->fw->ucode_capa, 2747 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2748 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2749 min_duration, false, 2750 link_id); 2751 else 2752 iwl_mvm_protect_session(mvm, vif, duration, 2753 min_duration, 500, false); 2754 } 2755 2756 /* Handle association common part to MLD and non-MLD modes */ 2757 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2758 struct ieee80211_vif *vif, 2759 u64 changes) 2760 { 2761 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2762 int ret; 2763 int link_id; 2764 2765 /* The firmware tracks the MU-MIMO group on its own. 2766 * However, on HW restart we should restore this data. 2767 */ 2768 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2769 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2770 ret = iwl_mvm_update_mu_groups(mvm, vif); 2771 if (ret) 2772 IWL_ERR(mvm, 2773 "failed to update VHT MU_MIMO groups\n"); 2774 } 2775 2776 iwl_mvm_recalc_multicast(mvm); 2777 2778 /* reset rssi values */ 2779 for_each_mvm_vif_valid_link(mvmvif, link_id) 2780 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2781 2782 iwl_mvm_bt_coex_vif_change(mvm); 2783 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2784 IEEE80211_SMPS_AUTOMATIC); 2785 if (fw_has_capa(&mvm->fw->ucode_capa, 2786 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2787 iwl_mvm_config_scan(mvm); 2788 } 2789 2790 /* Execute the common part for MLD and non-MLD modes */ 2791 void 2792 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2793 struct ieee80211_vif *vif, 2794 struct ieee80211_bss_conf *link_conf, 2795 u64 changes) 2796 { 2797 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2798 int ret; 2799 2800 if (changes & BSS_CHANGED_BEACON_INFO) { 2801 /* We received a beacon from the associated AP so 2802 * remove the session protection. 2803 */ 2804 iwl_mvm_stop_session_protection(mvm, vif); 2805 2806 iwl_mvm_sf_update(mvm, vif, false); 2807 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2808 } 2809 2810 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2811 /* Send power command on every beacon change, 2812 * because we may have not enabled beacon abort yet. 2813 */ 2814 BSS_CHANGED_BEACON_INFO)) { 2815 ret = iwl_mvm_power_update_mac(mvm); 2816 if (ret) 2817 IWL_ERR(mvm, "failed to update power mode\n"); 2818 } 2819 2820 if (changes & BSS_CHANGED_CQM) { 2821 struct iwl_mvm_vif_link_info *link_info = 2822 mvmvif->link[link_conf->link_id]; 2823 2824 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2825 if (link_info) 2826 link_info->bf_data.last_cqm_event = 0; 2827 2828 if (mvmvif->bf_enabled) { 2829 /* FIXME: need to update per link when FW API will 2830 * support it 2831 */ 2832 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2833 if (ret) 2834 IWL_ERR(mvm, 2835 "failed to update CQM thresholds\n"); 2836 } 2837 } 2838 2839 if (changes & BSS_CHANGED_BANDWIDTH) 2840 iwl_mvm_update_link_smps(vif, link_conf); 2841 2842 if (changes & BSS_CHANGED_TPE) { 2843 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2844 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2845 link_conf, 2846 false); 2847 } 2848 } 2849 2850 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2851 struct ieee80211_vif *vif, 2852 struct ieee80211_bss_conf *bss_conf, 2853 u64 changes) 2854 { 2855 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2856 int ret; 2857 int i; 2858 2859 /* 2860 * Re-calculate the tsf id, as the leader-follower relations depend 2861 * on the beacon interval, which was not known when the station 2862 * interface was added. 2863 */ 2864 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2865 if ((vif->bss_conf.he_support && 2866 !iwlwifi_mod_params.disable_11ax)) 2867 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2868 2869 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2870 } 2871 2872 /* Update MU EDCA params */ 2873 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2874 vif->cfg.assoc && 2875 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2876 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2877 2878 /* 2879 * If we're not associated yet, take the (new) BSSID before associating 2880 * so the firmware knows. If we're already associated, then use the old 2881 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2882 * branch for disassociation below. 2883 */ 2884 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2885 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2886 2887 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2888 if (ret) 2889 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2890 2891 /* after sending it once, adopt mac80211 data */ 2892 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2893 mvmvif->associated = vif->cfg.assoc; 2894 2895 if (changes & BSS_CHANGED_ASSOC) { 2896 if (vif->cfg.assoc) { 2897 mvmvif->session_prot_connection_loss = false; 2898 2899 /* clear statistics to get clean beacon counter */ 2900 iwl_mvm_request_statistics(mvm, true); 2901 for_each_mvm_vif_valid_link(mvmvif, i) 2902 memset(&mvmvif->link[i]->beacon_stats, 0, 2903 sizeof(mvmvif->link[i]->beacon_stats)); 2904 2905 /* add quota for this interface */ 2906 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2907 if (ret) { 2908 IWL_ERR(mvm, "failed to update quotas\n"); 2909 return; 2910 } 2911 2912 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2913 &mvm->status) && 2914 !fw_has_capa(&mvm->fw->ucode_capa, 2915 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2916 /* 2917 * If we're restarting then the firmware will 2918 * obviously have lost synchronisation with 2919 * the AP. It will attempt to synchronise by 2920 * itself, but we can make it more reliable by 2921 * scheduling a session protection time event. 2922 * 2923 * The firmware needs to receive a beacon to 2924 * catch up with synchronisation, use 110% of 2925 * the beacon interval. 2926 * 2927 * Set a large maximum delay to allow for more 2928 * than a single interface. 2929 * 2930 * For new firmware versions, rely on the 2931 * firmware. This is relevant for DCM scenarios 2932 * only anyway. 2933 */ 2934 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2935 iwl_mvm_protect_session(mvm, vif, dur, dur, 2936 5 * dur, false); 2937 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2938 &mvm->status) && 2939 !vif->bss_conf.dtim_period) { 2940 /* 2941 * If we're not restarting and still haven't 2942 * heard a beacon (dtim period unknown) then 2943 * make sure we still have enough minimum time 2944 * remaining in the time event, since the auth 2945 * might actually have taken quite a while 2946 * (especially for SAE) and so the remaining 2947 * time could be small without us having heard 2948 * a beacon yet. 2949 */ 2950 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2951 } 2952 2953 iwl_mvm_sf_update(mvm, vif, false); 2954 iwl_mvm_power_vif_assoc(mvm, vif); 2955 if (vif->p2p) { 2956 iwl_mvm_update_smps(mvm, vif, 2957 IWL_MVM_SMPS_REQ_PROT, 2958 IEEE80211_SMPS_DYNAMIC, 0); 2959 } 2960 } else if (mvmvif->deflink.ap_sta_id != IWL_INVALID_STA) { 2961 iwl_mvm_mei_host_disassociated(mvm); 2962 /* 2963 * If update fails - SF might be running in associated 2964 * mode while disassociated - which is forbidden. 2965 */ 2966 ret = iwl_mvm_sf_update(mvm, vif, false); 2967 WARN_ONCE(ret && 2968 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2969 &mvm->status), 2970 "Failed to update SF upon disassociation\n"); 2971 2972 /* remove quota for this interface */ 2973 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2974 if (ret) 2975 IWL_ERR(mvm, "failed to update quotas\n"); 2976 2977 /* this will take the cleared BSSID from bss_conf */ 2978 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2979 if (ret) 2980 IWL_ERR(mvm, 2981 "failed to update MAC %pM (clear after unassoc)\n", 2982 vif->addr); 2983 } 2984 2985 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2986 } 2987 2988 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2989 changes); 2990 } 2991 2992 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2993 struct ieee80211_vif *vif, 2994 int *ret) 2995 { 2996 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2997 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2998 int i; 2999 3000 lockdep_assert_held(&mvm->mutex); 3001 3002 mvmvif->ap_assoc_sta_count = 0; 3003 3004 /* must be set before quota calculations */ 3005 mvmvif->ap_ibss_active = true; 3006 3007 /* send all the early keys to the device now */ 3008 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3009 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 3010 3011 if (!key) 3012 continue; 3013 3014 mvmvif->ap_early_keys[i] = NULL; 3015 3016 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3017 if (*ret) 3018 return true; 3019 } 3020 3021 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3022 iwl_mvm_vif_set_low_latency(mvmvif, true, 3023 LOW_LATENCY_VIF_TYPE); 3024 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3025 } 3026 3027 /* power updated needs to be done before quotas */ 3028 iwl_mvm_power_update_mac(mvm); 3029 3030 return false; 3031 } 3032 3033 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3034 struct ieee80211_vif *vif, 3035 struct ieee80211_bss_conf *link_conf) 3036 { 3037 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3038 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3039 int ret; 3040 3041 mutex_lock(&mvm->mutex); 3042 3043 /* 3044 * Re-calculate the tsf id, as the leader-follower relations depend on 3045 * the beacon interval, which was not known when the AP interface 3046 * was added. 3047 */ 3048 if (vif->type == NL80211_IFTYPE_AP) 3049 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3050 3051 /* For older devices need to send beacon template before adding mac 3052 * context. For the newer, the beacon is a resource that belongs to a 3053 * MAC, so need to send beacon template after adding the mac. 3054 */ 3055 if (mvm->trans->mac_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3056 /* Add the mac context */ 3057 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3058 if (ret) 3059 goto out_unlock; 3060 3061 /* Send the beacon template */ 3062 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3063 if (ret) 3064 goto out_unlock; 3065 } else { 3066 /* Send the beacon template */ 3067 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3068 if (ret) 3069 goto out_unlock; 3070 3071 /* Add the mac context */ 3072 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3073 if (ret) 3074 goto out_unlock; 3075 } 3076 3077 /* Perform the binding */ 3078 ret = iwl_mvm_binding_add_vif(mvm, vif); 3079 if (ret) 3080 goto out_remove; 3081 3082 /* 3083 * This is not very nice, but the simplest: 3084 * For older FWs adding the mcast sta before the bcast station may 3085 * cause assert 0x2b00. 3086 * This is fixed in later FW so make the order of removal depend on 3087 * the TLV 3088 */ 3089 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3090 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3091 if (ret) 3092 goto out_unbind; 3093 /* 3094 * Send the bcast station. At this stage the TBTT and DTIM time 3095 * events are added and applied to the scheduler 3096 */ 3097 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3098 if (ret) { 3099 iwl_mvm_rm_mcast_sta(mvm, vif); 3100 goto out_unbind; 3101 } 3102 } else { 3103 /* 3104 * Send the bcast station. At this stage the TBTT and DTIM time 3105 * events are added and applied to the scheduler 3106 */ 3107 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3108 if (ret) 3109 goto out_unbind; 3110 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3111 if (ret) { 3112 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3113 goto out_unbind; 3114 } 3115 } 3116 3117 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3118 goto out_failed; 3119 3120 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3121 if (ret) 3122 goto out_failed; 3123 3124 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3125 if (vif->p2p && mvm->p2p_device_vif) 3126 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3127 3128 iwl_mvm_bt_coex_vif_change(mvm); 3129 3130 /* we don't support TDLS during DCM */ 3131 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3132 iwl_mvm_teardown_tdls_peers(mvm); 3133 3134 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3135 3136 goto out_unlock; 3137 3138 out_failed: 3139 iwl_mvm_power_update_mac(mvm); 3140 mvmvif->ap_ibss_active = false; 3141 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3142 iwl_mvm_rm_mcast_sta(mvm, vif); 3143 out_unbind: 3144 iwl_mvm_binding_remove_vif(mvm, vif); 3145 out_remove: 3146 iwl_mvm_mac_ctxt_remove(mvm, vif); 3147 out_unlock: 3148 mutex_unlock(&mvm->mutex); 3149 return ret; 3150 } 3151 3152 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3153 struct ieee80211_vif *vif, 3154 struct ieee80211_bss_conf *link_conf) 3155 { 3156 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3157 } 3158 3159 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3160 struct ieee80211_vif *vif) 3161 { 3162 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3163 } 3164 3165 /* Common part for MLD and non-MLD ops */ 3166 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3167 struct ieee80211_vif *vif) 3168 { 3169 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3170 3171 lockdep_assert_held(&mvm->mutex); 3172 3173 iwl_mvm_prepare_mac_removal(mvm, vif); 3174 3175 /* Handle AP stop while in CSA */ 3176 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3177 iwl_mvm_remove_time_event(mvm, mvmvif, 3178 &mvmvif->time_event_data); 3179 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3180 mvmvif->csa_countdown = false; 3181 } 3182 3183 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3184 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3185 mvm->csa_tx_block_bcn_timeout = 0; 3186 } 3187 3188 mvmvif->ap_ibss_active = false; 3189 mvm->ap_last_beacon_gp2 = 0; 3190 3191 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3192 iwl_mvm_vif_set_low_latency(mvmvif, false, 3193 LOW_LATENCY_VIF_TYPE); 3194 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3195 } 3196 3197 iwl_mvm_bt_coex_vif_change(mvm); 3198 } 3199 3200 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3201 struct ieee80211_vif *vif, 3202 struct ieee80211_bss_conf *link_conf) 3203 { 3204 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3205 3206 guard(mvm)(mvm); 3207 3208 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3209 3210 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3211 if (vif->p2p && mvm->p2p_device_vif) 3212 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3213 3214 iwl_mvm_update_quotas(mvm, false, NULL); 3215 3216 iwl_mvm_ftm_responder_clear(mvm, vif); 3217 3218 /* 3219 * This is not very nice, but the simplest: 3220 * For older FWs removing the mcast sta before the bcast station may 3221 * cause assert 0x2b00. 3222 * This is fixed in later FW (which will stop beaconing when removing 3223 * bcast station). 3224 * So make the order of removal depend on the TLV 3225 */ 3226 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3227 iwl_mvm_rm_mcast_sta(mvm, vif); 3228 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3229 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3230 iwl_mvm_rm_mcast_sta(mvm, vif); 3231 iwl_mvm_binding_remove_vif(mvm, vif); 3232 3233 iwl_mvm_power_update_mac(mvm); 3234 3235 iwl_mvm_mac_ctxt_remove(mvm, vif); 3236 } 3237 3238 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3239 struct ieee80211_vif *vif, 3240 struct ieee80211_bss_conf *link_conf) 3241 { 3242 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3243 } 3244 3245 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3246 struct ieee80211_vif *vif) 3247 { 3248 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3249 } 3250 3251 static void 3252 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3253 struct ieee80211_vif *vif, 3254 struct ieee80211_bss_conf *bss_conf, 3255 u64 changes) 3256 { 3257 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3258 3259 /* Changes will be applied when the AP/IBSS is started */ 3260 if (!mvmvif->ap_ibss_active) 3261 return; 3262 3263 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3264 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3265 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3266 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3267 3268 /* Need to send a new beacon template to the FW */ 3269 if (changes & BSS_CHANGED_BEACON && 3270 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3271 IWL_WARN(mvm, "Failed updating beacon data\n"); 3272 3273 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3274 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3275 3276 if (ret) 3277 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3278 ret); 3279 } 3280 3281 } 3282 3283 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3284 struct ieee80211_vif *vif, 3285 struct ieee80211_bss_conf *bss_conf, 3286 u64 changes) 3287 { 3288 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3289 3290 guard(mvm)(mvm); 3291 3292 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3293 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3294 3295 switch (vif->type) { 3296 case NL80211_IFTYPE_STATION: 3297 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3298 break; 3299 case NL80211_IFTYPE_AP: 3300 case NL80211_IFTYPE_ADHOC: 3301 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3302 break; 3303 case NL80211_IFTYPE_MONITOR: 3304 if (changes & BSS_CHANGED_MU_GROUPS) 3305 iwl_mvm_update_mu_groups(mvm, vif); 3306 break; 3307 default: 3308 /* shouldn't happen */ 3309 WARN_ON_ONCE(1); 3310 } 3311 3312 if (changes & BSS_CHANGED_TXPOWER) { 3313 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3314 bss_conf->txpower); 3315 iwl_mvm_set_tx_power(mvm, bss_conf, bss_conf->txpower); 3316 } 3317 } 3318 3319 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3320 struct ieee80211_scan_request *hw_req) 3321 { 3322 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3323 3324 if (hw_req->req.n_channels == 0 || 3325 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3326 return -EINVAL; 3327 3328 guard(mvm)(mvm); 3329 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3330 } 3331 3332 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3333 struct ieee80211_vif *vif) 3334 { 3335 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3336 3337 guard(mvm)(mvm); 3338 3339 /* Due to a race condition, it's possible that mac80211 asks 3340 * us to stop a hw_scan when it's already stopped. This can 3341 * happen, for instance, if we stopped the scan ourselves, 3342 * called ieee80211_scan_completed() and the userspace called 3343 * cancel scan scan before ieee80211_scan_work() could run. 3344 * To handle that, simply return if the scan is not running. 3345 */ 3346 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3347 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3348 } 3349 3350 void 3351 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3352 struct ieee80211_sta *sta, u16 tids, 3353 int num_frames, 3354 enum ieee80211_frame_release_type reason, 3355 bool more_data) 3356 { 3357 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3358 3359 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3360 3361 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3362 tids, more_data, false); 3363 } 3364 3365 void 3366 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3367 struct ieee80211_sta *sta, u16 tids, 3368 int num_frames, 3369 enum ieee80211_frame_release_type reason, 3370 bool more_data) 3371 { 3372 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3373 3374 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3375 3376 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3377 tids, more_data, true); 3378 } 3379 3380 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3381 enum sta_notify_cmd cmd, 3382 struct ieee80211_sta *sta) 3383 { 3384 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3385 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3386 unsigned long txqs = 0, tids = 0; 3387 int tid; 3388 3389 /* 3390 * If we have TVQM then we get too high queue numbers - luckily 3391 * we really shouldn't get here with that because such hardware 3392 * should have firmware supporting buffer station offload. 3393 */ 3394 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3395 return; 3396 3397 spin_lock_bh(&mvmsta->lock); 3398 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3399 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3400 3401 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3402 continue; 3403 3404 __set_bit(tid_data->txq_id, &txqs); 3405 3406 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3407 continue; 3408 3409 __set_bit(tid, &tids); 3410 } 3411 3412 switch (cmd) { 3413 case STA_NOTIFY_SLEEP: 3414 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3415 ieee80211_sta_set_buffered(sta, tid, true); 3416 3417 if (txqs) 3418 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3419 /* 3420 * The fw updates the STA to be asleep. Tx packets on the Tx 3421 * queues to this station will not be transmitted. The fw will 3422 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3423 */ 3424 break; 3425 case STA_NOTIFY_AWAKE: 3426 if (WARN_ON(mvmsta->deflink.sta_id == IWL_INVALID_STA)) 3427 break; 3428 3429 if (txqs) 3430 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3431 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3432 break; 3433 default: 3434 break; 3435 } 3436 spin_unlock_bh(&mvmsta->lock); 3437 } 3438 3439 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3440 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3441 { 3442 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3443 } 3444 3445 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3446 { 3447 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3448 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3449 struct ieee80211_sta *sta; 3450 struct iwl_mvm_sta *mvmsta; 3451 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3452 3453 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3454 return; 3455 3456 rcu_read_lock(); 3457 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3458 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3459 rcu_read_unlock(); 3460 return; 3461 } 3462 3463 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3464 3465 if (!mvmsta->vif || 3466 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3467 rcu_read_unlock(); 3468 return; 3469 } 3470 3471 if (mvmsta->sleeping != sleeping) { 3472 mvmsta->sleeping = sleeping; 3473 __iwl_mvm_mac_sta_notify(mvm->hw, 3474 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3475 sta); 3476 ieee80211_sta_ps_transition(sta, sleeping); 3477 } 3478 3479 if (sleeping) { 3480 switch (notif->type) { 3481 case IWL_MVM_PM_EVENT_AWAKE: 3482 case IWL_MVM_PM_EVENT_ASLEEP: 3483 break; 3484 case IWL_MVM_PM_EVENT_UAPSD: 3485 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3486 break; 3487 case IWL_MVM_PM_EVENT_PS_POLL: 3488 ieee80211_sta_pspoll(sta); 3489 break; 3490 default: 3491 break; 3492 } 3493 } 3494 3495 rcu_read_unlock(); 3496 } 3497 3498 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3499 struct ieee80211_vif *vif, 3500 struct ieee80211_sta *sta) 3501 { 3502 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3503 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3504 unsigned int link_id; 3505 3506 lockdep_assert_wiphy(mvm->hw->wiphy); 3507 3508 /* 3509 * This is called before mac80211 does RCU synchronisation, 3510 * so here we already invalidate our internal RCU-protected 3511 * station pointer. The rest of the code will thus no longer 3512 * be able to find the station this way, and we don't rely 3513 * on further RCU synchronisation after the sta_state() 3514 * callback deleted the station. 3515 * Since there's mvm->mutex here, no need to have RCU lock for 3516 * mvm_sta->link access. 3517 */ 3518 guard(mvm)(mvm); 3519 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3520 struct iwl_mvm_link_sta *link_sta; 3521 u32 sta_id; 3522 3523 if (!mvm_sta->link[link_id]) 3524 continue; 3525 3526 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3527 lockdep_is_held(&mvm->mutex)); 3528 sta_id = link_sta->sta_id; 3529 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3530 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3531 ERR_PTR(-ENOENT)); 3532 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3533 } 3534 } 3535 } 3536 3537 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3538 const u8 *bssid) 3539 { 3540 int i; 3541 3542 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3543 struct iwl_mvm_tcm_mac *mdata; 3544 3545 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3546 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3547 mdata->opened_rx_ba_sessions = false; 3548 } 3549 3550 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3551 return; 3552 3553 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3554 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3555 return; 3556 } 3557 3558 if (!vif->p2p && 3559 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3560 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3561 return; 3562 } 3563 3564 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3565 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3566 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3567 return; 3568 } 3569 } 3570 3571 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3572 } 3573 3574 static void 3575 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3576 struct ieee80211_vif *vif, u8 *peer_addr, 3577 enum nl80211_tdls_operation action) 3578 { 3579 struct iwl_fw_dbg_trigger_tlv *trig; 3580 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3581 3582 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3583 FW_DBG_TRIGGER_TDLS); 3584 if (!trig) 3585 return; 3586 3587 tdls_trig = (void *)trig->data; 3588 3589 if (!(tdls_trig->action_bitmap & BIT(action))) 3590 return; 3591 3592 if (tdls_trig->peer_mode && 3593 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3594 return; 3595 3596 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3597 "TDLS event occurred, peer %pM, action %d", 3598 peer_addr, action); 3599 } 3600 3601 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3602 bool tolerated; 3603 }; 3604 3605 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3606 struct cfg80211_bss *bss, 3607 void *_data) 3608 { 3609 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3610 const struct cfg80211_bss_ies *ies; 3611 const struct element *elem; 3612 3613 rcu_read_lock(); 3614 ies = rcu_dereference(bss->ies); 3615 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3616 ies->len); 3617 3618 if (!elem || elem->datalen < 10 || 3619 !(elem->data[10] & 3620 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3621 data->tolerated = false; 3622 } 3623 rcu_read_unlock(); 3624 } 3625 3626 static void 3627 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3628 struct ieee80211_vif *vif, 3629 unsigned int link_id, 3630 struct ieee80211_bss_conf *link_conf) 3631 { 3632 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3633 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3634 .tolerated = true, 3635 }; 3636 3637 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3638 !mvmvif->link[link_id])) 3639 return; 3640 3641 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3642 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3643 return; 3644 } 3645 3646 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3647 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3648 &iter_data); 3649 3650 /* 3651 * If there is at least one AP on radar channel that cannot 3652 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3653 */ 3654 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3655 } 3656 3657 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3658 struct ieee80211_vif *vif) 3659 { 3660 struct ieee80211_supported_band *sband; 3661 const struct ieee80211_sta_he_cap *he_cap; 3662 3663 if (vif->type != NL80211_IFTYPE_STATION) 3664 return; 3665 3666 if (!mvm->cca_40mhz_workaround) 3667 return; 3668 3669 /* decrement and check that we reached zero */ 3670 mvm->cca_40mhz_workaround--; 3671 if (mvm->cca_40mhz_workaround) 3672 return; 3673 3674 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3675 3676 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3677 3678 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3679 3680 if (he_cap) { 3681 /* we know that ours is writable */ 3682 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3683 3684 he->he_cap_elem.phy_cap_info[0] |= 3685 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3686 } 3687 } 3688 3689 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3690 struct ieee80211_vif *vif, 3691 struct iwl_mvm_sta *mvm_sta) 3692 { 3693 #if IS_ENABLED(CONFIG_IWLMEI) 3694 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3695 struct iwl_mei_conn_info conn_info = { 3696 .ssid_len = vif->cfg.ssid_len, 3697 }; 3698 3699 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3700 return; 3701 3702 if (!mvm->mei_registered) 3703 return; 3704 3705 /* FIXME: MEI needs to be updated for MLO */ 3706 if (!vif->bss_conf.chanreq.oper.chan) 3707 return; 3708 3709 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3710 3711 switch (mvm_sta->pairwise_cipher) { 3712 case WLAN_CIPHER_SUITE_TKIP: 3713 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3714 break; 3715 case WLAN_CIPHER_SUITE_CCMP: 3716 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3717 break; 3718 case WLAN_CIPHER_SUITE_GCMP: 3719 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3720 break; 3721 case WLAN_CIPHER_SUITE_GCMP_256: 3722 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3723 break; 3724 case 0: 3725 /* open profile */ 3726 break; 3727 default: 3728 /* cipher not supported, don't send anything to iwlmei */ 3729 return; 3730 } 3731 3732 switch (mvmvif->rekey_data.akm) { 3733 case WLAN_AKM_SUITE_SAE & 0xff: 3734 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3735 break; 3736 case WLAN_AKM_SUITE_PSK & 0xff: 3737 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3738 break; 3739 case WLAN_AKM_SUITE_8021X & 0xff: 3740 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3741 break; 3742 case 0: 3743 /* open profile */ 3744 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3745 break; 3746 default: 3747 /* auth method / AKM not supported */ 3748 /* TODO: All the FT vesions of these? */ 3749 return; 3750 } 3751 3752 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3753 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3754 3755 /* TODO: add support for collocated AP data */ 3756 iwl_mei_host_associated(&conn_info, NULL); 3757 #endif 3758 } 3759 3760 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3761 struct ieee80211_vif *vif, 3762 bool force_assoc_off) 3763 { 3764 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3765 } 3766 3767 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3768 struct ieee80211_vif *vif, 3769 struct ieee80211_sta *sta, 3770 enum ieee80211_sta_state old_state, 3771 enum ieee80211_sta_state new_state) 3772 { 3773 static const struct iwl_mvm_sta_state_ops callbacks = { 3774 .add_sta = iwl_mvm_add_sta, 3775 .update_sta = iwl_mvm_update_sta, 3776 .rm_sta = iwl_mvm_rm_sta, 3777 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3778 }; 3779 3780 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3781 &callbacks); 3782 } 3783 3784 /* FIXME: temporary making two assumptions in all sta handling functions: 3785 * (1) when setting sta state, the link exists and protected 3786 * (2) if a link is valid in sta then it's valid in vif (can 3787 * use same index in the link array) 3788 */ 3789 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3790 struct ieee80211_vif *vif, 3791 struct ieee80211_sta *sta) 3792 { 3793 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3794 unsigned int link_id; 3795 3796 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3797 struct ieee80211_bss_conf *conf = 3798 link_conf_dereference_check(vif, link_id); 3799 struct ieee80211_link_sta *link_sta = 3800 link_sta_dereference_check(sta, link_id); 3801 3802 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3803 continue; 3804 3805 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3806 mvmvif->link[link_id]->phy_ctxt->channel->band); 3807 } 3808 } 3809 3810 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3811 struct ieee80211_vif *vif, 3812 struct ieee80211_sta *sta) 3813 { 3814 struct ieee80211_link_sta *link_sta; 3815 unsigned int link_id; 3816 3817 /* Beacon interval check - firmware will crash if the beacon 3818 * interval is less than 16. We can't avoid connecting at all, 3819 * so refuse the station state change, this will cause mac80211 3820 * to abandon attempts to connect to this AP, and eventually 3821 * wpa_s will blocklist the AP... 3822 */ 3823 3824 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3825 struct ieee80211_bss_conf *link_conf = 3826 link_conf_dereference_protected(vif, link_id); 3827 3828 if (!link_conf) 3829 continue; 3830 3831 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3832 IWL_ERR(mvm, 3833 "Beacon interval %d for AP %pM is too small\n", 3834 link_conf->beacon_int, link_sta->addr); 3835 return false; 3836 } 3837 3838 link_conf->he_support = link_sta->he_cap.has_he; 3839 } 3840 3841 return true; 3842 } 3843 3844 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3845 struct ieee80211_vif *vif, 3846 struct ieee80211_sta *sta, 3847 bool is_sta) 3848 { 3849 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3850 struct ieee80211_link_sta *link_sta; 3851 unsigned int link_id; 3852 3853 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3854 struct ieee80211_bss_conf *link_conf = 3855 link_conf_dereference_protected(vif, link_id); 3856 3857 if (!link_conf || !mvmvif->link[link_id]) 3858 continue; 3859 3860 link_conf->he_support = link_sta->he_cap.has_he; 3861 3862 if (is_sta) { 3863 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3864 if (link_sta->he_cap.has_he) 3865 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3866 link_id, 3867 link_conf); 3868 } 3869 } 3870 } 3871 3872 static int 3873 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3874 struct ieee80211_vif *vif, 3875 struct ieee80211_sta *sta, 3876 const struct iwl_mvm_sta_state_ops *callbacks) 3877 { 3878 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3879 struct ieee80211_link_sta *link_sta; 3880 unsigned int i; 3881 int ret; 3882 3883 lockdep_assert_held(&mvm->mutex); 3884 3885 if (vif->type == NL80211_IFTYPE_STATION && 3886 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3887 return -EINVAL; 3888 3889 if (sta->tdls && 3890 (vif->p2p || 3891 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_TDLS_STA_COUNT || 3892 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3893 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3894 return -EBUSY; 3895 } 3896 3897 ret = callbacks->add_sta(mvm, vif, sta); 3898 if (sta->tdls && ret == 0) { 3899 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3900 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3901 NL80211_TDLS_SETUP); 3902 } 3903 3904 if (ret) 3905 return ret; 3906 3907 for_each_sta_active_link(vif, sta, link_sta, i) 3908 link_sta->agg.max_rc_amsdu_len = 1; 3909 3910 ieee80211_sta_recalc_aggregates(sta); 3911 3912 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3913 mvmvif->ap_sta = sta; 3914 3915 /* 3916 * Initialize the rates here already - this really tells 3917 * the firmware only what the supported legacy rates are 3918 * (may be) since it's initialized already from what the 3919 * AP advertised in the beacon/probe response. This will 3920 * allow the firmware to send auth/assoc frames with one 3921 * of the supported rates already, rather than having to 3922 * use a mandatory rate. 3923 * If we're the AP, we'll just assume mandatory rates at 3924 * this point, but we know nothing about the STA anyway. 3925 */ 3926 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3927 3928 return 0; 3929 } 3930 3931 static int 3932 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3933 struct iwl_mvm *mvm, 3934 struct ieee80211_vif *vif, 3935 struct ieee80211_sta *sta, 3936 const struct iwl_mvm_sta_state_ops *callbacks) 3937 { 3938 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3939 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3940 struct ieee80211_link_sta *link_sta; 3941 unsigned int link_id; 3942 3943 lockdep_assert_held(&mvm->mutex); 3944 3945 if (vif->type == NL80211_IFTYPE_AP) { 3946 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3947 mvmvif->ap_assoc_sta_count++; 3948 callbacks->mac_ctxt_changed(mvm, vif, false); 3949 3950 /* since the below is not for MLD API, it's ok to use 3951 * the default bss_conf 3952 */ 3953 if (!mvm->mld_api_is_used && 3954 (vif->bss_conf.he_support && 3955 !iwlwifi_mod_params.disable_11ax)) 3956 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3957 } else if (vif->type == NL80211_IFTYPE_STATION) { 3958 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3959 3960 callbacks->mac_ctxt_changed(mvm, vif, false); 3961 3962 if (!mvm->mld_api_is_used) 3963 goto out; 3964 3965 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3966 struct ieee80211_bss_conf *link_conf = 3967 link_conf_dereference_protected(vif, link_id); 3968 3969 if (WARN_ON(!link_conf)) 3970 return -EINVAL; 3971 if (!mvmvif->link[link_id]) 3972 continue; 3973 3974 iwl_mvm_link_changed(mvm, vif, link_conf, 3975 LINK_CONTEXT_MODIFY_ALL & 3976 ~LINK_CONTEXT_MODIFY_ACTIVE, 3977 true); 3978 } 3979 } 3980 3981 out: 3982 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3983 3984 return callbacks->update_sta(mvm, vif, sta); 3985 } 3986 3987 static int 3988 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3989 struct ieee80211_vif *vif, 3990 struct ieee80211_sta *sta, 3991 const struct iwl_mvm_sta_state_ops *callbacks) 3992 { 3993 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3994 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3995 3996 lockdep_assert_held(&mvm->mutex); 3997 3998 /* we don't support TDLS during DCM */ 3999 if (iwl_mvm_phy_ctx_count(mvm) > 1) 4000 iwl_mvm_teardown_tdls_peers(mvm); 4001 4002 if (sta->tdls) { 4003 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4004 NL80211_TDLS_ENABLE_LINK); 4005 } else { 4006 /* enable beacon filtering */ 4007 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 4008 4009 mvmvif->authorized = 1; 4010 4011 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 4012 mvmvif->link_selection_res = vif->active_links; 4013 mvmvif->link_selection_primary = 4014 vif->active_links ? __ffs(vif->active_links) : 0; 4015 } 4016 4017 callbacks->mac_ctxt_changed(mvm, vif, false); 4018 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4019 4020 memset(&mvmvif->last_esr_exit, 0, 4021 sizeof(mvmvif->last_esr_exit)); 4022 4023 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4024 4025 /* Block until FW notif will arrive */ 4026 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4027 4028 /* when client is authorized (AP station marked as such), 4029 * try to enable the best link(s). 4030 */ 4031 if (vif->type == NL80211_IFTYPE_STATION && 4032 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4033 iwl_mvm_select_links(mvm, vif); 4034 } 4035 4036 mvm_sta->authorized = true; 4037 4038 /* MFP is set by default before the station is authorized. 4039 * Clear it here in case it's not used. 4040 */ 4041 if (!sta->mfp) { 4042 int ret = callbacks->update_sta(mvm, vif, sta); 4043 4044 if (ret) 4045 return ret; 4046 } 4047 4048 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4049 4050 return 0; 4051 } 4052 4053 static int 4054 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4055 struct ieee80211_vif *vif, 4056 struct ieee80211_sta *sta, 4057 const struct iwl_mvm_sta_state_ops *callbacks) 4058 { 4059 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4060 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4061 4062 lockdep_assert_held(&mvm->mutex); 4063 4064 mvmsta->authorized = false; 4065 4066 /* once we move into assoc state, need to update rate scale to 4067 * disable using wide bandwidth 4068 */ 4069 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4070 4071 if (!sta->tdls) { 4072 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4073 * yet to avoid sending high prio again for a little 4074 * time. 4075 */ 4076 mvmvif->authorized = 0; 4077 mvmvif->link_selection_res = 0; 4078 4079 /* disable beacon filtering */ 4080 iwl_mvm_disable_beacon_filter(mvm, vif); 4081 4082 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4083 &mvmvif->prevent_esr_done_wk); 4084 4085 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4086 &mvmvif->mlo_int_scan_wk); 4087 4088 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4089 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4090 &mvmvif->unblock_esr_tmp_non_bss_wk); 4091 } 4092 4093 return 0; 4094 } 4095 4096 void iwl_mvm_smps_workaround(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 4097 bool update) 4098 { 4099 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4100 4101 if (!iwl_mvm_has_rlc_offload(mvm) || 4102 iwl_fw_lookup_cmd_ver(mvm->fw, MAC_PM_POWER_TABLE, 0) >= 2) 4103 return; 4104 4105 mvmvif->ps_disabled = !vif->cfg.ps; 4106 4107 if (update) 4108 iwl_mvm_power_update_mac(mvm); 4109 } 4110 4111 /* Common part for MLD and non-MLD modes */ 4112 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4113 struct ieee80211_vif *vif, 4114 struct ieee80211_sta *sta, 4115 enum ieee80211_sta_state old_state, 4116 enum ieee80211_sta_state new_state, 4117 const struct iwl_mvm_sta_state_ops *callbacks) 4118 { 4119 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4120 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4121 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4122 struct ieee80211_link_sta *link_sta; 4123 unsigned int link_id; 4124 int ret; 4125 4126 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4127 sta->addr, old_state, new_state); 4128 4129 /* 4130 * If we are in a STA removal flow and in DQA mode: 4131 * 4132 * This is after the sync_rcu part, so the queues have already been 4133 * flushed. No more TXs on their way in mac80211's path, and no more in 4134 * the queues. 4135 * Also, we won't be getting any new TX frames for this station. 4136 * What we might have are deferred TX frames that need to be taken care 4137 * of. 4138 * 4139 * Drop any still-queued deferred-frame before removing the STA, and 4140 * make sure the worker is no longer handling frames for this STA. 4141 */ 4142 if (old_state == IEEE80211_STA_NONE && 4143 new_state == IEEE80211_STA_NOTEXIST) { 4144 flush_work(&mvm->add_stream_wk); 4145 4146 /* 4147 * No need to make sure deferred TX indication is off since the 4148 * worker will already remove it if it was on 4149 */ 4150 4151 /* 4152 * Additionally, reset the 40 MHz capability if we disconnected 4153 * from the AP now. 4154 */ 4155 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4156 4157 /* Also free dup data just in case any assertions below fail */ 4158 kfree(mvm_sta->dup_data); 4159 } 4160 4161 mutex_lock(&mvm->mutex); 4162 4163 /* this would be a mac80211 bug ... but don't crash, unless we had a 4164 * firmware crash while we were activating a link, in which case it is 4165 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4166 * recovery flow since we spit tons of error messages anyway. 4167 */ 4168 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4169 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4170 !mvmvif->link[link_id]->phy_ctxt)) { 4171 mutex_unlock(&mvm->mutex); 4172 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4173 &mvm->status) ? 0 : -EINVAL; 4174 } 4175 } 4176 4177 /* track whether or not the station is associated */ 4178 mvm_sta->sta_state = new_state; 4179 4180 if (old_state == IEEE80211_STA_NOTEXIST && 4181 new_state == IEEE80211_STA_NONE) { 4182 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4183 callbacks); 4184 if (ret < 0) 4185 goto out_unlock; 4186 } else if (old_state == IEEE80211_STA_NONE && 4187 new_state == IEEE80211_STA_AUTH) { 4188 /* 4189 * EBS may be disabled due to previous failures reported by FW. 4190 * Reset EBS status here assuming environment has been changed. 4191 */ 4192 mvm->last_ebs_successful = true; 4193 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4194 ret = 0; 4195 } else if (old_state == IEEE80211_STA_AUTH && 4196 new_state == IEEE80211_STA_ASSOC) { 4197 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4198 callbacks); 4199 } else if (old_state == IEEE80211_STA_ASSOC && 4200 new_state == IEEE80211_STA_AUTHORIZED) { 4201 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4202 callbacks); 4203 iwl_mvm_smps_workaround(mvm, vif, true); 4204 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4205 new_state == IEEE80211_STA_ASSOC) { 4206 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4207 callbacks); 4208 } else if (old_state == IEEE80211_STA_ASSOC && 4209 new_state == IEEE80211_STA_AUTH) { 4210 if (vif->type == NL80211_IFTYPE_AP) { 4211 mvmvif->ap_assoc_sta_count--; 4212 callbacks->mac_ctxt_changed(mvm, vif, false); 4213 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4214 iwl_mvm_stop_session_protection(mvm, vif); 4215 ret = 0; 4216 } else if (old_state == IEEE80211_STA_AUTH && 4217 new_state == IEEE80211_STA_NONE) { 4218 ret = 0; 4219 } else if (old_state == IEEE80211_STA_NONE && 4220 new_state == IEEE80211_STA_NOTEXIST) { 4221 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4222 iwl_mvm_stop_session_protection(mvm, vif); 4223 mvmvif->ap_sta = NULL; 4224 } 4225 ret = callbacks->rm_sta(mvm, vif, sta); 4226 if (sta->tdls) { 4227 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4228 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4229 NL80211_TDLS_DISABLE_LINK); 4230 } 4231 4232 if (unlikely(ret && 4233 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4234 &mvm->status))) 4235 ret = 0; 4236 } else { 4237 ret = -EIO; 4238 } 4239 out_unlock: 4240 mutex_unlock(&mvm->mutex); 4241 4242 if (sta->tdls && ret == 0) { 4243 if (old_state == IEEE80211_STA_NOTEXIST && 4244 new_state == IEEE80211_STA_NONE) 4245 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4246 else if (old_state == IEEE80211_STA_NONE && 4247 new_state == IEEE80211_STA_NOTEXIST) 4248 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4249 } 4250 4251 return ret; 4252 } 4253 4254 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4255 { 4256 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4257 4258 mvm->rts_threshold = value; 4259 4260 return 0; 4261 } 4262 4263 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4264 struct ieee80211_link_sta *link_sta, u32 changed) 4265 { 4266 struct ieee80211_sta *sta = link_sta->sta; 4267 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4268 4269 if (changed & (IEEE80211_RC_BW_CHANGED | 4270 IEEE80211_RC_SUPP_RATES_CHANGED | 4271 IEEE80211_RC_NSS_CHANGED)) 4272 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4273 4274 if (vif->type == NL80211_IFTYPE_STATION && 4275 changed & IEEE80211_RC_NSS_CHANGED) 4276 iwl_mvm_sf_update(mvm, vif, false); 4277 } 4278 4279 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4280 struct ieee80211_vif *vif, 4281 unsigned int link_id, u16 ac, 4282 const struct ieee80211_tx_queue_params *params) 4283 { 4284 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4285 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4286 4287 mvmvif->deflink.queue_params[ac] = *params; 4288 4289 /* 4290 * No need to update right away, we'll get BSS_CHANGED_QOS 4291 * The exception is P2P_DEVICE interface which needs immediate update. 4292 */ 4293 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4294 guard(mvm)(mvm); 4295 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4296 } 4297 return 0; 4298 } 4299 4300 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4301 struct ieee80211_vif *vif, 4302 struct ieee80211_prep_tx_info *info) 4303 { 4304 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4305 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4306 4307 if (info->was_assoc && !mvmvif->session_prot_connection_loss) 4308 return; 4309 4310 guard(mvm)(mvm); 4311 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4312 } 4313 4314 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4315 struct ieee80211_vif *vif, 4316 struct ieee80211_prep_tx_info *info) 4317 { 4318 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4319 4320 /* for successful cases (auth/assoc), don't cancel session protection */ 4321 if (info->success) 4322 return; 4323 4324 guard(mvm)(mvm); 4325 iwl_mvm_stop_session_protection(mvm, vif); 4326 } 4327 4328 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4329 struct ieee80211_vif *vif, 4330 struct cfg80211_sched_scan_request *req, 4331 struct ieee80211_scan_ies *ies) 4332 { 4333 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4334 4335 guard(mvm)(mvm); 4336 4337 if (!vif->cfg.idle) 4338 return -EBUSY; 4339 4340 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4341 } 4342 4343 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4344 struct ieee80211_vif *vif) 4345 { 4346 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4347 int ret; 4348 4349 mutex_lock(&mvm->mutex); 4350 4351 /* Due to a race condition, it's possible that mac80211 asks 4352 * us to stop a sched_scan when it's already stopped. This 4353 * can happen, for instance, if we stopped the scan ourselves, 4354 * called ieee80211_sched_scan_stopped() and the userspace called 4355 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4356 * could run. To handle this, simply return if the scan is 4357 * not running. 4358 */ 4359 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4360 mutex_unlock(&mvm->mutex); 4361 return 0; 4362 } 4363 4364 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4365 mutex_unlock(&mvm->mutex); 4366 iwl_mvm_wait_for_async_handlers(mvm); 4367 4368 return ret; 4369 } 4370 4371 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4372 enum set_key_cmd cmd, 4373 struct ieee80211_vif *vif, 4374 struct ieee80211_sta *sta, 4375 struct ieee80211_key_conf *key) 4376 { 4377 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4378 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4379 struct iwl_mvm_sta *mvmsta = NULL; 4380 struct iwl_mvm_key_pn *ptk_pn = NULL; 4381 int keyidx = key->keyidx; 4382 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4383 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4384 int ret, i; 4385 u8 key_offset; 4386 4387 if (sta) 4388 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4389 4390 switch (key->cipher) { 4391 case WLAN_CIPHER_SUITE_TKIP: 4392 if (!mvm->trans->mac_cfg->gen2) { 4393 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4394 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4395 } else if (vif->type == NL80211_IFTYPE_STATION) { 4396 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4397 } else { 4398 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4399 return -EOPNOTSUPP; 4400 } 4401 break; 4402 case WLAN_CIPHER_SUITE_CCMP: 4403 case WLAN_CIPHER_SUITE_GCMP: 4404 case WLAN_CIPHER_SUITE_GCMP_256: 4405 if (!iwl_mvm_has_new_tx_api(mvm)) 4406 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4407 break; 4408 case WLAN_CIPHER_SUITE_AES_CMAC: 4409 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4410 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4411 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4412 break; 4413 case WLAN_CIPHER_SUITE_WEP40: 4414 case WLAN_CIPHER_SUITE_WEP104: 4415 if (vif->type == NL80211_IFTYPE_STATION) 4416 break; 4417 if (iwl_mvm_has_new_tx_api(mvm)) 4418 return -EOPNOTSUPP; 4419 /* support HW crypto on TX */ 4420 return 0; 4421 default: 4422 return -EOPNOTSUPP; 4423 } 4424 4425 switch (cmd) { 4426 case SET_KEY: 4427 if (vif->type == NL80211_IFTYPE_STATION && 4428 (keyidx == 6 || keyidx == 7)) 4429 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4430 key); 4431 4432 if ((vif->type == NL80211_IFTYPE_ADHOC || 4433 vif->type == NL80211_IFTYPE_AP) && !sta) { 4434 /* 4435 * GTK on AP interface is a TX-only key, return 0; 4436 * on IBSS they're per-station and because we're lazy 4437 * we don't support them for RX, so do the same. 4438 * CMAC/GMAC in AP/IBSS modes must be done in software 4439 * on older NICs. 4440 * 4441 * Except, of course, beacon protection - it must be 4442 * offloaded since we just set a beacon template, and 4443 * then we must also offload the IGTK (not just BIGTK) 4444 * for firmware reasons. 4445 * 4446 * So just check for beacon protection - if we don't 4447 * have it we cannot get here with keyidx >= 6, and 4448 * if we do have it we need to send the key to FW in 4449 * all cases (CMAC/GMAC). 4450 */ 4451 if (!wiphy_ext_feature_isset(hw->wiphy, 4452 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4453 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4454 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4455 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4456 ret = -EOPNOTSUPP; 4457 break; 4458 } 4459 4460 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4461 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4462 !iwl_mvm_has_new_tx_api(mvm)) { 4463 key->hw_key_idx = STA_KEY_IDX_INVALID; 4464 ret = 0; 4465 break; 4466 } 4467 4468 if (!mvmvif->ap_ibss_active) { 4469 for (i = 0; 4470 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4471 i++) { 4472 if (!mvmvif->ap_early_keys[i]) { 4473 mvmvif->ap_early_keys[i] = key; 4474 break; 4475 } 4476 } 4477 4478 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4479 ret = -ENOSPC; 4480 else 4481 ret = 0; 4482 4483 break; 4484 } 4485 } 4486 4487 /* During FW restart, in order to restore the state as it was, 4488 * don't try to reprogram keys we previously failed for. 4489 */ 4490 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4491 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4492 IWL_DEBUG_MAC80211(mvm, 4493 "skip invalid idx key programming during restart\n"); 4494 ret = 0; 4495 break; 4496 } 4497 4498 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4499 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4500 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4501 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4502 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4503 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4504 struct ieee80211_key_seq seq; 4505 int tid, q; 4506 4507 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4508 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4509 mvm->trans->info.num_rxqs), 4510 GFP_KERNEL); 4511 if (!ptk_pn) { 4512 ret = -ENOMEM; 4513 break; 4514 } 4515 4516 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4517 ieee80211_get_key_rx_seq(key, tid, &seq); 4518 for (q = 0; q < mvm->trans->info.num_rxqs; q++) 4519 memcpy(ptk_pn->q[q].pn[tid], 4520 seq.ccmp.pn, 4521 IEEE80211_CCMP_PN_LEN); 4522 } 4523 4524 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4525 } 4526 4527 /* in HW restart reuse the index, otherwise request a new one */ 4528 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4529 key_offset = key->hw_key_idx; 4530 else 4531 key_offset = STA_KEY_IDX_INVALID; 4532 4533 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4534 mvmsta->pairwise_cipher = key->cipher; 4535 4536 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4537 sta ? sta->addr : NULL, key->keyidx); 4538 4539 if (sec_key_ver) 4540 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4541 else 4542 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4543 4544 if (ret) { 4545 IWL_WARN(mvm, "set key failed\n"); 4546 key->hw_key_idx = STA_KEY_IDX_INVALID; 4547 if (ptk_pn) { 4548 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4549 kfree(ptk_pn); 4550 } 4551 /* 4552 * can't add key for RX, but we don't need it 4553 * in the device for TX so still return 0, 4554 * unless we have new TX API where we cannot 4555 * put key material into the TX_CMD 4556 */ 4557 if (iwl_mvm_has_new_tx_api(mvm)) 4558 ret = -EOPNOTSUPP; 4559 else 4560 ret = 0; 4561 } 4562 4563 break; 4564 case DISABLE_KEY: 4565 if (vif->type == NL80211_IFTYPE_STATION && 4566 (keyidx == 6 || keyidx == 7)) 4567 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4568 NULL); 4569 4570 ret = -ENOENT; 4571 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4572 if (mvmvif->ap_early_keys[i] == key) { 4573 mvmvif->ap_early_keys[i] = NULL; 4574 ret = 0; 4575 } 4576 } 4577 4578 /* found in pending list - don't do anything else */ 4579 if (ret == 0) 4580 break; 4581 4582 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4583 ret = 0; 4584 break; 4585 } 4586 4587 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4588 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4589 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4590 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4591 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4592 ptk_pn = rcu_dereference_protected( 4593 mvmsta->ptk_pn[keyidx], 4594 lockdep_is_held(&mvm->mutex)); 4595 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4596 if (ptk_pn) 4597 kfree_rcu(ptk_pn, rcu_head); 4598 } 4599 4600 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4601 if (sec_key_ver) 4602 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4603 else 4604 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4605 break; 4606 default: 4607 ret = -EINVAL; 4608 } 4609 4610 return ret; 4611 } 4612 4613 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4614 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4615 struct ieee80211_key_conf *key) 4616 { 4617 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4618 4619 guard(mvm)(mvm); 4620 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4621 } 4622 4623 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4624 struct ieee80211_vif *vif, 4625 struct ieee80211_key_conf *keyconf, 4626 struct ieee80211_sta *sta, 4627 u32 iv32, u16 *phase1key) 4628 { 4629 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4630 4631 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4632 return; 4633 4634 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4635 } 4636 4637 4638 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4639 struct iwl_rx_packet *pkt, void *data) 4640 { 4641 struct iwl_mvm *mvm = 4642 container_of(notif_wait, struct iwl_mvm, notif_wait); 4643 struct iwl_hs20_roc_res *resp; 4644 int resp_len = iwl_rx_packet_payload_len(pkt); 4645 struct iwl_mvm_time_event_data *te_data = data; 4646 4647 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4648 return true; 4649 4650 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4651 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4652 return true; 4653 } 4654 4655 resp = (void *)pkt->data; 4656 4657 IWL_DEBUG_TE(mvm, 4658 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4659 resp->status, resp->event_unique_id); 4660 4661 te_data->uid = le32_to_cpu(resp->event_unique_id); 4662 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4663 te_data->uid); 4664 4665 spin_lock_bh(&mvm->time_event_lock); 4666 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4667 spin_unlock_bh(&mvm->time_event_lock); 4668 4669 return true; 4670 } 4671 4672 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4673 struct ieee80211_channel *channel, 4674 struct ieee80211_vif *vif, 4675 int duration) 4676 { 4677 int res; 4678 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4679 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4680 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4681 struct iwl_notification_wait wait_time_event; 4682 u32 req_dur, delay; 4683 struct iwl_hs20_roc_req aux_roc_req = { 4684 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4685 .id_and_color = 4686 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4687 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4688 }; 4689 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4690 &aux_roc_req.channel_info); 4691 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4692 4693 /* Set the channel info data */ 4694 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4695 iwl_mvm_phy_band_from_nl80211(channel->band), 4696 IWL_PHY_CHANNEL_MODE20, 4697 0); 4698 4699 /* Set the time and duration */ 4700 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4701 4702 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4703 tail->duration = cpu_to_le32(req_dur); 4704 tail->apply_time_max_delay = cpu_to_le32(delay); 4705 4706 IWL_DEBUG_TE(mvm, 4707 "ROC: Requesting to remain on channel %u for %ums\n", 4708 channel->hw_value, req_dur); 4709 IWL_DEBUG_TE(mvm, 4710 "\t(requested = %ums, max_delay = %ums)\n", 4711 duration, delay); 4712 4713 /* Set the node address */ 4714 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4715 4716 lockdep_assert_held(&mvm->mutex); 4717 4718 spin_lock_bh(&mvm->time_event_lock); 4719 4720 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4721 spin_unlock_bh(&mvm->time_event_lock); 4722 return -EIO; 4723 } 4724 4725 te_data->vif = vif; 4726 te_data->duration = duration; 4727 te_data->id = HOT_SPOT_CMD; 4728 4729 spin_unlock_bh(&mvm->time_event_lock); 4730 4731 /* 4732 * Use a notification wait, which really just processes the 4733 * command response and doesn't wait for anything, in order 4734 * to be able to process the response and get the UID inside 4735 * the RX path. Using CMD_WANT_SKB doesn't work because it 4736 * stores the buffer and then wakes up this thread, by which 4737 * time another notification (that the time event started) 4738 * might already be processed unsuccessfully. 4739 */ 4740 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4741 time_event_response, 4742 ARRAY_SIZE(time_event_response), 4743 iwl_mvm_rx_aux_roc, te_data); 4744 4745 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4746 &aux_roc_req); 4747 4748 if (res) { 4749 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4750 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4751 goto out_clear_te; 4752 } 4753 4754 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4755 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4756 /* should never fail */ 4757 WARN_ON_ONCE(res); 4758 4759 if (res) { 4760 out_clear_te: 4761 spin_lock_bh(&mvm->time_event_lock); 4762 iwl_mvm_te_clear_data(mvm, te_data); 4763 spin_unlock_bh(&mvm->time_event_lock); 4764 } 4765 4766 return res; 4767 } 4768 4769 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4770 { 4771 int ret = 0; 4772 4773 lockdep_assert_held(&mvm->mutex); 4774 4775 if (!fw_has_capa(&mvm->fw->ucode_capa, 4776 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4777 IWL_ERR(mvm, "hotspot not supported\n"); 4778 return -EINVAL; 4779 } 4780 4781 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4782 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4783 WARN(ret, "Failed to allocate aux station"); 4784 } 4785 4786 return ret; 4787 } 4788 4789 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4790 { 4791 int ret; 4792 4793 lockdep_assert_held(&mvm->mutex); 4794 4795 ret = iwl_mvm_binding_add_vif(mvm, vif); 4796 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4797 return ret; 4798 4799 /* The station and queue allocation must be done only after the binding 4800 * is done, as otherwise the FW might incorrectly configure its state. 4801 */ 4802 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4803 } 4804 4805 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4806 struct ieee80211_vif *vif, 4807 struct ieee80211_channel *channel, 4808 int duration, 4809 enum ieee80211_roc_type type) 4810 { 4811 static const struct iwl_mvm_roc_ops ops = { 4812 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4813 .link = iwl_mvm_roc_link, 4814 }; 4815 4816 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4817 } 4818 4819 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4820 struct ieee80211_channel *channel, 4821 struct ieee80211_vif *vif, 4822 int duration) 4823 { 4824 int ret; 4825 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4826 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4827 IWL_FW_CMD_VER_UNKNOWN); 4828 4829 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4830 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4831 } else if (fw_ver >= 3) { 4832 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4833 ROC_ACTIVITY_HOTSPOT); 4834 } else { 4835 ret = -EOPNOTSUPP; 4836 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4837 } 4838 4839 return ret; 4840 } 4841 4842 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4843 struct ieee80211_channel *channel, 4844 struct ieee80211_vif *vif, 4845 int duration, 4846 enum ieee80211_roc_type type) 4847 { 4848 enum iwl_roc_activity activity; 4849 int ret; 4850 4851 lockdep_assert_held(&mvm->mutex); 4852 4853 switch (type) { 4854 case IEEE80211_ROC_TYPE_NORMAL: 4855 activity = ROC_ACTIVITY_P2P_DISC; 4856 break; 4857 case IEEE80211_ROC_TYPE_MGMT_TX: 4858 activity = ROC_ACTIVITY_P2P_NEG; 4859 break; 4860 default: 4861 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4862 return -EINVAL; 4863 } 4864 4865 ret = iwl_mvm_mld_add_aux_sta(mvm, 4866 iwl_mvm_get_lmac_id(mvm, channel->band)); 4867 if (ret) 4868 return ret; 4869 4870 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4871 } 4872 4873 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4874 struct ieee80211_vif *vif, 4875 struct ieee80211_channel *channel) 4876 { 4877 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4878 struct cfg80211_chan_def chandef; 4879 int i; 4880 4881 lockdep_assert_held(&mvm->mutex); 4882 4883 if (mvmvif->deflink.phy_ctxt && 4884 channel == mvmvif->deflink.phy_ctxt->channel) 4885 return 0; 4886 4887 /* Try using a PHY context that is already in use */ 4888 for (i = 0; i < NUM_PHY_CTX; i++) { 4889 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4890 4891 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4892 continue; 4893 4894 if (channel == phy_ctxt->channel) { 4895 if (mvmvif->deflink.phy_ctxt) 4896 iwl_mvm_phy_ctxt_unref(mvm, 4897 mvmvif->deflink.phy_ctxt); 4898 4899 mvmvif->deflink.phy_ctxt = phy_ctxt; 4900 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4901 return 0; 4902 } 4903 } 4904 4905 /* We already have a phy_ctxt, but it's not on the right channel */ 4906 if (mvmvif->deflink.phy_ctxt) 4907 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4908 4909 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4910 if (!mvmvif->deflink.phy_ctxt) 4911 return -ENOSPC; 4912 4913 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4914 4915 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4916 &chandef, NULL, 1, 1); 4917 } 4918 4919 /* Execute the common part for MLD and non-MLD modes */ 4920 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4921 struct ieee80211_channel *channel, int duration, 4922 enum ieee80211_roc_type type, 4923 const struct iwl_mvm_roc_ops *ops) 4924 { 4925 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4926 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4927 u32 lmac_id; 4928 int ret; 4929 4930 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4931 duration, type); 4932 4933 /* 4934 * Flush the done work, just in case it's still pending, so that 4935 * the work it does can complete and we can accept new frames. 4936 */ 4937 flush_work(&mvm->roc_done_wk); 4938 4939 if (!IS_ERR_OR_NULL(bss_vif)) { 4940 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4941 IWL_MVM_ESR_BLOCKED_ROC); 4942 if (ret) 4943 return ret; 4944 } 4945 4946 guard(mvm)(mvm); 4947 4948 switch (vif->type) { 4949 case NL80211_IFTYPE_STATION: 4950 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4951 4952 /* Use aux roc framework (HS20) */ 4953 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4954 if (!ret) 4955 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4956 return ret; 4957 case NL80211_IFTYPE_P2P_DEVICE: 4958 /* handle below */ 4959 break; 4960 default: 4961 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4962 return -EINVAL; 4963 } 4964 4965 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4966 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4967 return ret; 4968 } 4969 4970 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4971 if (ret) 4972 return ret; 4973 4974 ret = ops->link(mvm, vif); 4975 if (ret) 4976 return ret; 4977 4978 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4979 } 4980 4981 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4982 struct ieee80211_vif *vif) 4983 { 4984 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4985 4986 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4987 4988 iwl_mvm_stop_roc(mvm, vif); 4989 4990 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4991 return 0; 4992 } 4993 4994 struct iwl_mvm_chanctx_usage_data { 4995 struct iwl_mvm *mvm; 4996 struct ieee80211_chanctx_conf *ctx; 4997 bool use_def; 4998 }; 4999 5000 static void iwl_mvm_chanctx_usage_iter(void *_data, u8 *mac, 5001 struct ieee80211_vif *vif) 5002 { 5003 struct iwl_mvm_chanctx_usage_data *data = _data; 5004 struct ieee80211_bss_conf *link_conf; 5005 int link_id; 5006 5007 for_each_vif_active_link(vif, link_conf, link_id) { 5008 if (rcu_access_pointer(link_conf->chanctx_conf) != data->ctx) 5009 continue; 5010 5011 if (iwl_mvm_enable_fils(data->mvm, vif, data->ctx)) 5012 data->use_def = true; 5013 5014 if (vif->type == NL80211_IFTYPE_AP && link_conf->ftmr_params) 5015 data->use_def = true; 5016 } 5017 } 5018 5019 struct cfg80211_chan_def * 5020 iwl_mvm_chanctx_def(struct iwl_mvm *mvm, struct ieee80211_chanctx_conf *ctx) 5021 { 5022 struct iwl_mvm_chanctx_usage_data data = { 5023 .mvm = mvm, 5024 .ctx = ctx, 5025 .use_def = false, 5026 }; 5027 5028 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 5029 IEEE80211_IFACE_ITER_NORMAL, 5030 iwl_mvm_chanctx_usage_iter, 5031 &data); 5032 5033 return data.use_def ? &ctx->def : &ctx->min_def; 5034 } 5035 5036 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 5037 struct ieee80211_chanctx_conf *ctx) 5038 { 5039 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5040 struct iwl_mvm_phy_ctxt *phy_ctxt; 5041 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5042 int ret; 5043 5044 lockdep_assert_held(&mvm->mutex); 5045 5046 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 5047 5048 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5049 if (!phy_ctxt) { 5050 ret = -ENOSPC; 5051 goto out; 5052 } 5053 5054 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5055 ctx->rx_chains_static, 5056 ctx->rx_chains_dynamic); 5057 if (ret) { 5058 IWL_ERR(mvm, "Failed to add PHY context\n"); 5059 goto out; 5060 } 5061 5062 *phy_ctxt_id = phy_ctxt->id; 5063 out: 5064 return ret; 5065 } 5066 5067 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5068 struct ieee80211_chanctx_conf *ctx) 5069 { 5070 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5071 5072 guard(mvm)(mvm); 5073 return __iwl_mvm_add_chanctx(mvm, ctx); 5074 } 5075 5076 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5077 struct ieee80211_chanctx_conf *ctx) 5078 { 5079 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5080 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5081 5082 lockdep_assert_held(&mvm->mutex); 5083 5084 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5085 } 5086 5087 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5088 struct ieee80211_chanctx_conf *ctx) 5089 { 5090 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5091 5092 guard(mvm)(mvm); 5093 __iwl_mvm_remove_chanctx(mvm, ctx); 5094 } 5095 5096 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5097 struct ieee80211_chanctx_conf *ctx, u32 changed) 5098 { 5099 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5100 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5101 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5102 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5103 5104 if (WARN_ONCE((phy_ctxt->ref > 1) && 5105 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5106 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5107 IEEE80211_CHANCTX_CHANGE_RADAR | 5108 IEEE80211_CHANCTX_CHANGE_MIN_DEF)), 5109 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5110 phy_ctxt->ref, changed)) 5111 return; 5112 5113 guard(mvm)(mvm); 5114 5115 /* we are only changing the min_width, may be a noop */ 5116 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_DEF) { 5117 if (phy_ctxt->width == def->width) 5118 return; 5119 5120 /* we are just toggling between 20_NOHT and 20 */ 5121 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5122 def->width <= NL80211_CHAN_WIDTH_20) 5123 return; 5124 } 5125 5126 iwl_mvm_bt_coex_vif_change(mvm); 5127 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5128 ctx->rx_chains_static, 5129 ctx->rx_chains_dynamic); 5130 } 5131 5132 /* 5133 * This function executes the common part for MLD and non-MLD modes. 5134 * 5135 * Returns true if we're done assigning the chanctx 5136 * (either on failure or success) 5137 */ 5138 static bool 5139 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5140 struct ieee80211_vif *vif, 5141 struct ieee80211_chanctx_conf *ctx, 5142 bool switching_chanctx, int *ret) 5143 { 5144 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5145 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5146 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5147 5148 lockdep_assert_held(&mvm->mutex); 5149 5150 mvmvif->deflink.phy_ctxt = phy_ctxt; 5151 5152 switch (vif->type) { 5153 case NL80211_IFTYPE_AP: 5154 /* only needed if we're switching chanctx (i.e. during CSA) */ 5155 if (switching_chanctx) { 5156 mvmvif->ap_ibss_active = true; 5157 break; 5158 } 5159 fallthrough; 5160 case NL80211_IFTYPE_ADHOC: 5161 /* 5162 * The AP binding flow is handled as part of the start_ap flow 5163 * (in bss_info_changed), similarly for IBSS. 5164 */ 5165 *ret = 0; 5166 return true; 5167 case NL80211_IFTYPE_STATION: 5168 break; 5169 case NL80211_IFTYPE_MONITOR: 5170 /* always disable PS when a monitor interface is active */ 5171 mvmvif->ps_disabled = true; 5172 break; 5173 default: 5174 *ret = -EINVAL; 5175 return true; 5176 } 5177 return false; 5178 } 5179 5180 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5181 struct ieee80211_vif *vif, 5182 struct ieee80211_bss_conf *link_conf, 5183 struct ieee80211_chanctx_conf *ctx, 5184 bool switching_chanctx) 5185 { 5186 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5187 int ret; 5188 5189 if (WARN_ON(!link_conf)) 5190 return -EINVAL; 5191 5192 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5193 switching_chanctx, &ret)) 5194 goto out; 5195 5196 ret = iwl_mvm_binding_add_vif(mvm, vif); 5197 if (ret) 5198 goto out; 5199 5200 /* 5201 * Power state must be updated before quotas, 5202 * otherwise fw will complain. 5203 */ 5204 iwl_mvm_power_update_mac(mvm); 5205 5206 /* Setting the quota at this stage is only required for monitor 5207 * interfaces. For the other types, the bss_info changed flow 5208 * will handle quota settings. 5209 */ 5210 if (vif->type == NL80211_IFTYPE_MONITOR) { 5211 mvmvif->monitor_active = true; 5212 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5213 if (ret) 5214 goto out_remove_binding; 5215 5216 ret = iwl_mvm_add_snif_sta(mvm, vif); 5217 if (ret) 5218 goto out_remove_binding; 5219 5220 } 5221 5222 /* Handle binding during CSA */ 5223 if (vif->type == NL80211_IFTYPE_AP) { 5224 iwl_mvm_update_quotas(mvm, false, NULL); 5225 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5226 } 5227 5228 if (vif->type == NL80211_IFTYPE_STATION) { 5229 if (!switching_chanctx) { 5230 mvmvif->csa_bcn_pending = false; 5231 goto out; 5232 } 5233 5234 mvmvif->csa_bcn_pending = true; 5235 5236 if (!fw_has_capa(&mvm->fw->ucode_capa, 5237 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5238 u32 duration = 5 * vif->bss_conf.beacon_int; 5239 5240 /* Protect the session to make sure we hear the first 5241 * beacon on the new channel. 5242 */ 5243 iwl_mvm_protect_session(mvm, vif, duration, duration, 5244 vif->bss_conf.beacon_int / 2, 5245 true); 5246 } 5247 5248 iwl_mvm_update_quotas(mvm, false, NULL); 5249 5250 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5251 link_conf, 5252 false); 5253 } 5254 5255 goto out; 5256 5257 out_remove_binding: 5258 iwl_mvm_binding_remove_vif(mvm, vif); 5259 iwl_mvm_power_update_mac(mvm); 5260 out: 5261 if (ret) 5262 mvmvif->deflink.phy_ctxt = NULL; 5263 return ret; 5264 } 5265 5266 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5267 struct ieee80211_vif *vif, 5268 struct ieee80211_bss_conf *link_conf, 5269 struct ieee80211_chanctx_conf *ctx) 5270 { 5271 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5272 5273 guard(mvm)(mvm); 5274 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5275 } 5276 5277 /* 5278 * This function executes the common part for MLD and non-MLD modes. 5279 * 5280 * Returns if chanctx unassign chanctx is done 5281 * (either on failure or success) 5282 */ 5283 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5284 struct ieee80211_vif *vif, 5285 bool switching_chanctx) 5286 { 5287 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5288 5289 lockdep_assert_held(&mvm->mutex); 5290 iwl_mvm_remove_time_event(mvm, mvmvif, 5291 &mvmvif->time_event_data); 5292 5293 switch (vif->type) { 5294 case NL80211_IFTYPE_ADHOC: 5295 return true; 5296 case NL80211_IFTYPE_MONITOR: 5297 mvmvif->monitor_active = false; 5298 mvmvif->ps_disabled = false; 5299 break; 5300 case NL80211_IFTYPE_AP: 5301 /* This part is triggered only during CSA */ 5302 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5303 return true; 5304 5305 mvmvif->csa_countdown = false; 5306 5307 /* Set CS bit on all the stations */ 5308 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5309 5310 /* Save blocked iface, the timeout is set on the next beacon */ 5311 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5312 5313 mvmvif->ap_ibss_active = false; 5314 break; 5315 default: 5316 break; 5317 } 5318 return false; 5319 } 5320 5321 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5322 struct ieee80211_vif *vif, 5323 struct ieee80211_bss_conf *link_conf, 5324 struct ieee80211_chanctx_conf *ctx, 5325 bool switching_chanctx) 5326 { 5327 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5328 struct ieee80211_vif *disabled_vif = NULL; 5329 5330 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5331 goto out; 5332 5333 if (vif->type == NL80211_IFTYPE_MONITOR) 5334 iwl_mvm_rm_snif_sta(mvm, vif); 5335 5336 5337 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5338 disabled_vif = vif; 5339 if (!fw_has_capa(&mvm->fw->ucode_capa, 5340 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5341 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5342 } 5343 5344 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5345 iwl_mvm_binding_remove_vif(mvm, vif); 5346 5347 out: 5348 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5349 switching_chanctx) 5350 return; 5351 mvmvif->deflink.phy_ctxt = NULL; 5352 iwl_mvm_power_update_mac(mvm); 5353 } 5354 5355 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5356 struct ieee80211_vif *vif, 5357 struct ieee80211_bss_conf *link_conf, 5358 struct ieee80211_chanctx_conf *ctx) 5359 { 5360 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5361 5362 guard(mvm)(mvm); 5363 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5364 } 5365 5366 static int 5367 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5368 struct ieee80211_vif_chanctx_switch *vifs, 5369 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5370 { 5371 int ret; 5372 5373 guard(mvm)(mvm); 5374 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5375 vifs[0].old_ctx, true); 5376 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5377 5378 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5379 if (ret) { 5380 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5381 goto out_reassign; 5382 } 5383 5384 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5385 vifs[0].new_ctx, true); 5386 if (ret) { 5387 IWL_ERR(mvm, 5388 "failed to assign new_ctx during channel switch\n"); 5389 goto out_remove; 5390 } 5391 5392 /* we don't support TDLS during DCM - can be caused by channel switch */ 5393 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5394 iwl_mvm_teardown_tdls_peers(mvm); 5395 5396 return 0; 5397 5398 out_remove: 5399 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5400 5401 out_reassign: 5402 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5403 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5404 goto out_restart; 5405 } 5406 5407 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5408 vifs[0].old_ctx, true)) { 5409 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5410 goto out_restart; 5411 } 5412 5413 return ret; 5414 5415 out_restart: 5416 /* things keep failing, better restart the hw */ 5417 iwl_force_nmi(mvm->trans); 5418 return ret; 5419 } 5420 5421 static int 5422 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5423 struct ieee80211_vif_chanctx_switch *vifs, 5424 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5425 { 5426 int ret; 5427 5428 guard(mvm)(mvm); 5429 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5430 vifs[0].old_ctx, true); 5431 5432 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5433 vifs[0].new_ctx, true); 5434 if (ret) { 5435 IWL_ERR(mvm, 5436 "failed to assign new_ctx during channel switch\n"); 5437 goto out_reassign; 5438 } 5439 5440 return 0; 5441 5442 out_reassign: 5443 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5444 vifs[0].old_ctx, true)) { 5445 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5446 goto out_restart; 5447 } 5448 5449 return ret; 5450 5451 out_restart: 5452 /* things keep failing, better restart the hw */ 5453 iwl_force_nmi(mvm->trans); 5454 return ret; 5455 } 5456 5457 /* Execute the common part for both MLD and non-MLD modes */ 5458 int 5459 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5460 struct ieee80211_vif_chanctx_switch *vifs, 5461 int n_vifs, 5462 enum ieee80211_chanctx_switch_mode mode, 5463 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5464 { 5465 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5466 int ret; 5467 5468 /* we only support a single-vif right now */ 5469 if (n_vifs > 1) 5470 return -EOPNOTSUPP; 5471 5472 switch (mode) { 5473 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5474 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5475 break; 5476 case CHANCTX_SWMODE_REASSIGN_VIF: 5477 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5478 break; 5479 default: 5480 ret = -EOPNOTSUPP; 5481 break; 5482 } 5483 5484 return ret; 5485 } 5486 5487 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5488 struct ieee80211_vif_chanctx_switch *vifs, 5489 int n_vifs, 5490 enum ieee80211_chanctx_switch_mode mode) 5491 { 5492 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5493 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5494 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5495 }; 5496 5497 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5498 } 5499 5500 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5501 { 5502 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5503 5504 return mvm->ibss_manager; 5505 } 5506 5507 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5508 bool set) 5509 { 5510 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5511 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5512 5513 if (!mvm_sta || !mvm_sta->vif) { 5514 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5515 return -EINVAL; 5516 } 5517 5518 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5519 &mvm_sta->vif->bss_conf); 5520 } 5521 5522 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5523 struct ieee80211_channel_switch *chsw) 5524 { 5525 /* By implementing this operation, we prevent mac80211 from 5526 * starting its own channel switch timer, so that we can call 5527 * ieee80211_chswitch_done() ourselves at the right time 5528 * (which is when the absence time event starts). 5529 */ 5530 5531 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5532 "dummy channel switch op\n"); 5533 } 5534 5535 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5536 struct ieee80211_vif *vif, 5537 struct ieee80211_channel_switch *chsw) 5538 { 5539 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5540 struct iwl_chan_switch_te_cmd cmd = { 5541 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5542 mvmvif->color)), 5543 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5544 .tsf = cpu_to_le32(chsw->timestamp), 5545 .cs_count = chsw->count, 5546 .cs_mode = chsw->block_tx, 5547 }; 5548 5549 lockdep_assert_held(&mvm->mutex); 5550 5551 if (chsw->delay) 5552 cmd.cs_delayed_bcn_count = 5553 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5554 5555 return iwl_mvm_send_cmd_pdu(mvm, 5556 WIDE_ID(MAC_CONF_GROUP, 5557 CHANNEL_SWITCH_TIME_EVENT_CMD), 5558 0, sizeof(cmd), &cmd); 5559 } 5560 5561 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5562 struct ieee80211_vif *vif, 5563 struct ieee80211_channel_switch *chsw) 5564 { 5565 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5566 u32 apply_time; 5567 5568 /* Schedule the time event to a bit before beacon 1, 5569 * to make sure we're in the new channel when the 5570 * GO/AP arrives. In case count <= 1 immediately schedule the 5571 * TE (this might result with some packet loss or connection 5572 * loss). 5573 */ 5574 if (chsw->count <= 1) 5575 apply_time = 0; 5576 else 5577 apply_time = chsw->device_timestamp + 5578 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5579 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5580 5581 if (chsw->block_tx) 5582 iwl_mvm_csa_client_absent(mvm, vif); 5583 5584 if (mvmvif->bf_enabled) { 5585 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5586 5587 if (ret) 5588 return ret; 5589 } 5590 5591 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5592 apply_time); 5593 5594 return 0; 5595 } 5596 5597 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5598 { 5599 int i; 5600 5601 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5602 struct iwl_mvm_txq *mvmtxq = 5603 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5604 5605 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5606 } 5607 } 5608 5609 #define IWL_MAX_CSA_BLOCK_TX 1500 5610 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5611 struct ieee80211_vif *vif, 5612 struct ieee80211_channel_switch *chsw) 5613 { 5614 struct ieee80211_vif *csa_vif; 5615 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5616 struct iwl_mvm_txq *mvmtxq; 5617 int ret; 5618 5619 lockdep_assert_held(&mvm->mutex); 5620 5621 mvmvif->csa_failed = false; 5622 mvmvif->csa_blocks_tx = false; 5623 5624 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5625 chsw->chandef.center_freq1); 5626 5627 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5628 ieee80211_vif_to_wdev(vif), 5629 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5630 5631 switch (vif->type) { 5632 case NL80211_IFTYPE_AP: 5633 csa_vif = 5634 rcu_dereference_protected(mvm->csa_vif, 5635 lockdep_is_held(&mvm->mutex)); 5636 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5637 "Another CSA is already in progress")) 5638 return -EBUSY; 5639 5640 /* we still didn't unblock tx. prevent new CS meanwhile */ 5641 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5642 lockdep_is_held(&mvm->mutex))) 5643 return -EBUSY; 5644 5645 rcu_assign_pointer(mvm->csa_vif, vif); 5646 5647 if (WARN_ONCE(mvmvif->csa_countdown, 5648 "Previous CSA countdown didn't complete")) 5649 return -EBUSY; 5650 5651 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5652 5653 if (!chsw->block_tx) 5654 break; 5655 /* don't need blocking in driver otherwise - mac80211 will do */ 5656 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5657 break; 5658 5659 mvmvif->csa_blocks_tx = true; 5660 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5661 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5662 ieee80211_iterate_stations_atomic(mvm->hw, 5663 iwl_mvm_csa_block_txqs, 5664 NULL); 5665 break; 5666 case NL80211_IFTYPE_STATION: 5667 mvmvif->csa_blocks_tx = chsw->block_tx; 5668 5669 /* 5670 * In the new flow FW is in charge of timing the switch so there 5671 * is no need for all of this 5672 */ 5673 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5674 CHANNEL_SWITCH_ERROR_NOTIF, 5675 0)) 5676 break; 5677 5678 /* 5679 * We haven't configured the firmware to be associated yet since 5680 * we don't know the dtim period. In this case, the firmware can't 5681 * track the beacons. 5682 */ 5683 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5684 return -EBUSY; 5685 5686 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5687 hweight16(vif->valid_links) <= 1) 5688 schedule_delayed_work(&mvmvif->csa_work, 0); 5689 5690 if (chsw->block_tx) { 5691 /* 5692 * In case of undetermined / long time with immediate 5693 * quiet monitor status to gracefully disconnect 5694 */ 5695 if (!chsw->count || 5696 chsw->count * vif->bss_conf.beacon_int > 5697 IWL_MAX_CSA_BLOCK_TX) 5698 schedule_delayed_work(&mvmvif->csa_work, 5699 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5700 } 5701 5702 if (!fw_has_capa(&mvm->fw->ucode_capa, 5703 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5704 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5705 if (ret) 5706 return ret; 5707 } else { 5708 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5709 } 5710 5711 mvmvif->csa_count = chsw->count; 5712 mvmvif->csa_misbehave = false; 5713 break; 5714 default: 5715 break; 5716 } 5717 5718 mvmvif->ps_disabled = true; 5719 5720 ret = iwl_mvm_power_update_ps(mvm); 5721 if (ret) 5722 return ret; 5723 5724 /* we won't be on this channel any longer */ 5725 iwl_mvm_teardown_tdls_peers(mvm); 5726 5727 return ret; 5728 } 5729 5730 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5731 struct ieee80211_vif *vif, 5732 struct ieee80211_channel_switch *chsw) 5733 { 5734 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5735 5736 guard(mvm)(mvm); 5737 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5738 } 5739 5740 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5741 struct ieee80211_vif *vif, 5742 struct ieee80211_channel_switch *chsw) 5743 { 5744 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5745 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5746 struct iwl_chan_switch_te_cmd cmd = { 5747 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5748 mvmvif->color)), 5749 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5750 .tsf = cpu_to_le32(chsw->timestamp), 5751 .cs_count = chsw->count, 5752 .cs_mode = chsw->block_tx, 5753 }; 5754 5755 /* 5756 * In the new flow FW is in charge of timing the switch so there is no 5757 * need for all of this 5758 */ 5759 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5760 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5761 return; 5762 5763 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5764 return; 5765 5766 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5767 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5768 5769 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5770 if (mvmvif->csa_misbehave) { 5771 struct ieee80211_bss_conf *link_conf; 5772 5773 /* Second time, give up on this AP*/ 5774 5775 link_conf = wiphy_dereference(hw->wiphy, 5776 vif->link_conf[chsw->link_id]); 5777 if (WARN_ON(!link_conf)) 5778 return; 5779 5780 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5781 ieee80211_chswitch_done(vif, false, 0); 5782 mvmvif->csa_misbehave = false; 5783 return; 5784 } 5785 mvmvif->csa_misbehave = true; 5786 } 5787 mvmvif->csa_count = chsw->count; 5788 5789 guard(mvm)(mvm); 5790 if (mvmvif->csa_failed) 5791 return; 5792 5793 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5794 WIDE_ID(MAC_CONF_GROUP, 5795 CHANNEL_SWITCH_TIME_EVENT_CMD), 5796 0, sizeof(cmd), &cmd)); 5797 } 5798 5799 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5800 { 5801 int i; 5802 5803 if (!iwl_mvm_has_new_tx_api(mvm)) { 5804 /* we can't ask the firmware anything if it is dead */ 5805 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5806 &mvm->status)) 5807 return; 5808 if (drop) { 5809 guard(mvm)(mvm); 5810 iwl_mvm_flush_tx_path(mvm, 5811 iwl_mvm_flushable_queues(mvm) & queues); 5812 } else { 5813 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5814 } 5815 return; 5816 } 5817 5818 guard(mvm)(mvm); 5819 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5820 struct ieee80211_sta *sta; 5821 5822 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5823 lockdep_is_held(&mvm->mutex)); 5824 if (IS_ERR_OR_NULL(sta)) 5825 continue; 5826 5827 if (drop) 5828 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5829 else 5830 iwl_mvm_wait_sta_queues_empty(mvm, 5831 iwl_mvm_sta_from_mac80211(sta)); 5832 } 5833 } 5834 5835 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5836 u32 queues, bool drop) 5837 { 5838 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5839 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5840 struct iwl_mvm_sta *mvmsta; 5841 struct ieee80211_sta *sta; 5842 bool ap_sta_done = false; 5843 int i; 5844 u32 msk = 0; 5845 5846 if (!vif) { 5847 iwl_mvm_flush_no_vif(mvm, queues, drop); 5848 return; 5849 } 5850 5851 if (!drop && hweight16(vif->active_links) <= 1) { 5852 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5853 struct ieee80211_bss_conf *link_conf; 5854 5855 link_conf = wiphy_dereference(hw->wiphy, 5856 vif->link_conf[link_id]); 5857 if (WARN_ON(!link_conf)) 5858 return; 5859 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5860 drop = true; 5861 } 5862 5863 /* Make sure we're done with the deferred traffic before flushing */ 5864 flush_work(&mvm->add_stream_wk); 5865 5866 mutex_lock(&mvm->mutex); 5867 5868 /* flush the AP-station and all TDLS peers */ 5869 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5870 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5871 lockdep_is_held(&mvm->mutex)); 5872 if (IS_ERR_OR_NULL(sta)) 5873 continue; 5874 5875 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5876 if (mvmsta->vif != vif) 5877 continue; 5878 5879 if (sta == mvmvif->ap_sta) { 5880 if (ap_sta_done) 5881 continue; 5882 ap_sta_done = true; 5883 } 5884 5885 if (drop) { 5886 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5887 mvmsta->tfd_queue_msk)) 5888 IWL_ERR(mvm, "flush request fail\n"); 5889 } else { 5890 if (iwl_mvm_has_new_tx_api(mvm)) 5891 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5892 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5893 msk |= mvmsta->tfd_queue_msk; 5894 } 5895 } 5896 5897 mutex_unlock(&mvm->mutex); 5898 5899 /* this can take a while, and we may need/want other operations 5900 * to succeed while doing this, so do it without the mutex held 5901 * If the firmware is dead, this can't work... 5902 */ 5903 if (!drop && !iwl_mvm_has_new_tx_api(mvm) && 5904 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5905 &mvm->status)) 5906 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5907 } 5908 5909 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5910 struct ieee80211_sta *sta) 5911 { 5912 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5913 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5914 struct iwl_mvm_link_sta *mvm_link_sta; 5915 struct ieee80211_link_sta *link_sta; 5916 int link_id; 5917 5918 guard(mvm)(mvm); 5919 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5920 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5921 lockdep_is_held(&mvm->mutex)); 5922 if (!mvm_link_sta) 5923 continue; 5924 5925 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5926 mvmsta->tfd_queue_msk)) 5927 IWL_ERR(mvm, "flush request fail\n"); 5928 } 5929 } 5930 5931 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5932 struct survey_info *survey) 5933 { 5934 int chan_idx; 5935 enum nl80211_band band; 5936 int ret; 5937 5938 mutex_lock(&mvm->mutex); 5939 5940 if (!mvm->acs_survey) { 5941 ret = -ENOENT; 5942 goto out; 5943 } 5944 5945 /* Find and return the next entry that has a non-zero active time */ 5946 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5947 struct ieee80211_supported_band *sband = 5948 mvm->hw->wiphy->bands[band]; 5949 5950 if (!sband) 5951 continue; 5952 5953 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5954 struct iwl_mvm_acs_survey_channel *info = 5955 &mvm->acs_survey->bands[band][chan_idx]; 5956 5957 if (!info->time) 5958 continue; 5959 5960 /* Found (the next) channel to report */ 5961 survey->channel = &sband->channels[chan_idx]; 5962 survey->filled = SURVEY_INFO_TIME | 5963 SURVEY_INFO_TIME_BUSY | 5964 SURVEY_INFO_TIME_RX | 5965 SURVEY_INFO_TIME_TX; 5966 survey->time = info->time; 5967 survey->time_busy = info->time_busy; 5968 survey->time_rx = info->time_rx; 5969 survey->time_tx = info->time_tx; 5970 survey->noise = info->noise; 5971 if (survey->noise < 0) 5972 survey->filled |= SURVEY_INFO_NOISE_DBM; 5973 5974 /* Clear time so that channel is only reported once */ 5975 info->time = 0; 5976 5977 ret = 0; 5978 goto out; 5979 } 5980 } 5981 5982 ret = -ENOENT; 5983 5984 out: 5985 mutex_unlock(&mvm->mutex); 5986 5987 return ret; 5988 } 5989 5990 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5991 struct survey_info *survey) 5992 { 5993 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5994 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 5995 WIDE_ID(SYSTEM_GROUP, 5996 SYSTEM_STATISTICS_CMD), 5997 IWL_FW_CMD_VER_UNKNOWN); 5998 5999 memset(survey, 0, sizeof(*survey)); 6000 6001 if (!fw_has_capa(&mvm->fw->ucode_capa, 6002 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6003 return -ENOENT; 6004 6005 /* 6006 * Return the beacon stats at index zero and pass on following indices 6007 * to the function returning the full survey, most likely for ACS 6008 * (Automatic Channel Selection). 6009 */ 6010 if (idx > 0) 6011 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6012 6013 guard(mvm)(mvm); 6014 6015 if (iwl_mvm_firmware_running(mvm)) { 6016 int ret = iwl_mvm_request_statistics(mvm, false); 6017 6018 if (ret) 6019 return ret; 6020 } 6021 6022 survey->filled = SURVEY_INFO_TIME_RX | 6023 SURVEY_INFO_TIME_TX; 6024 6025 survey->time_rx = mvm->accu_radio_stats.rx_time + 6026 mvm->radio_stats.rx_time; 6027 do_div(survey->time_rx, USEC_PER_MSEC); 6028 6029 survey->time_tx = mvm->accu_radio_stats.tx_time + 6030 mvm->radio_stats.tx_time; 6031 do_div(survey->time_tx, USEC_PER_MSEC); 6032 6033 /* the new fw api doesn't support the following fields */ 6034 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6035 return 0; 6036 6037 survey->filled |= SURVEY_INFO_TIME | 6038 SURVEY_INFO_TIME_SCAN; 6039 survey->time = mvm->accu_radio_stats.on_time_rf + 6040 mvm->radio_stats.on_time_rf; 6041 do_div(survey->time, USEC_PER_MSEC); 6042 6043 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6044 mvm->radio_stats.on_time_scan; 6045 do_div(survey->time_scan, USEC_PER_MSEC); 6046 6047 return 0; 6048 } 6049 6050 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6051 { 6052 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6053 u32 gi_ltf; 6054 6055 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6056 case RATE_MCS_CHAN_WIDTH_20: 6057 rinfo->bw = RATE_INFO_BW_20; 6058 break; 6059 case RATE_MCS_CHAN_WIDTH_40: 6060 rinfo->bw = RATE_INFO_BW_40; 6061 break; 6062 case RATE_MCS_CHAN_WIDTH_80: 6063 rinfo->bw = RATE_INFO_BW_80; 6064 break; 6065 case RATE_MCS_CHAN_WIDTH_160: 6066 rinfo->bw = RATE_INFO_BW_160; 6067 break; 6068 case RATE_MCS_CHAN_WIDTH_320: 6069 rinfo->bw = RATE_INFO_BW_320; 6070 break; 6071 } 6072 6073 if (format == RATE_MCS_MOD_TYPE_CCK || 6074 format == RATE_MCS_MOD_TYPE_LEGACY_OFDM) { 6075 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6076 6077 /* add the offset needed to get to the legacy ofdm indices */ 6078 if (format == RATE_MCS_MOD_TYPE_LEGACY_OFDM) 6079 rate += IWL_FIRST_OFDM_RATE; 6080 6081 switch (rate) { 6082 case IWL_RATE_1M_INDEX: 6083 rinfo->legacy = 10; 6084 break; 6085 case IWL_RATE_2M_INDEX: 6086 rinfo->legacy = 20; 6087 break; 6088 case IWL_RATE_5M_INDEX: 6089 rinfo->legacy = 55; 6090 break; 6091 case IWL_RATE_11M_INDEX: 6092 rinfo->legacy = 110; 6093 break; 6094 case IWL_RATE_6M_INDEX: 6095 rinfo->legacy = 60; 6096 break; 6097 case IWL_RATE_9M_INDEX: 6098 rinfo->legacy = 90; 6099 break; 6100 case IWL_RATE_12M_INDEX: 6101 rinfo->legacy = 120; 6102 break; 6103 case IWL_RATE_18M_INDEX: 6104 rinfo->legacy = 180; 6105 break; 6106 case IWL_RATE_24M_INDEX: 6107 rinfo->legacy = 240; 6108 break; 6109 case IWL_RATE_36M_INDEX: 6110 rinfo->legacy = 360; 6111 break; 6112 case IWL_RATE_48M_INDEX: 6113 rinfo->legacy = 480; 6114 break; 6115 case IWL_RATE_54M_INDEX: 6116 rinfo->legacy = 540; 6117 } 6118 return; 6119 } 6120 6121 rinfo->nss = u32_get_bits(rate_n_flags, 6122 RATE_MCS_NSS_MSK) + 1; 6123 rinfo->mcs = format == RATE_MCS_MOD_TYPE_HT ? 6124 RATE_HT_MCS_INDEX(rate_n_flags) : 6125 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6126 6127 if (rate_n_flags & RATE_MCS_SGI_MSK) 6128 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6129 6130 switch (format) { 6131 case RATE_MCS_MOD_TYPE_EHT: 6132 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6133 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6134 break; 6135 case RATE_MCS_MOD_TYPE_HE: 6136 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6137 6138 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6139 6140 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6141 rinfo->bw = RATE_INFO_BW_HE_RU; 6142 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6143 } 6144 6145 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6146 case RATE_MCS_HE_TYPE_SU: 6147 case RATE_MCS_HE_TYPE_EXT_SU: 6148 if (gi_ltf == 0 || gi_ltf == 1) 6149 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6150 else if (gi_ltf == 2) 6151 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6152 else if (gi_ltf == 3) 6153 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6154 else 6155 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6156 break; 6157 case RATE_MCS_HE_TYPE_MU: 6158 if (gi_ltf == 0 || gi_ltf == 1) 6159 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6160 else if (gi_ltf == 2) 6161 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6162 else 6163 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6164 break; 6165 case RATE_MCS_HE_TYPE_TRIG: 6166 if (gi_ltf == 0 || gi_ltf == 1) 6167 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6168 else 6169 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6170 break; 6171 } 6172 6173 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6174 rinfo->he_dcm = 1; 6175 break; 6176 case RATE_MCS_MOD_TYPE_HT: 6177 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6178 break; 6179 case RATE_MCS_MOD_TYPE_VHT: 6180 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6181 break; 6182 } 6183 } 6184 6185 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6186 struct ieee80211_vif *vif, 6187 struct ieee80211_sta *sta, 6188 struct station_info *sinfo) 6189 { 6190 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6191 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6192 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6193 int i; 6194 6195 if (mvmsta->deflink.avg_energy) { 6196 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6197 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6198 } 6199 6200 if (iwl_mvm_has_tlc_offload(mvm)) { 6201 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6202 6203 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6204 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6205 } 6206 6207 /* if beacon filtering isn't on mac80211 does it anyway */ 6208 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6209 return; 6210 6211 if (!vif->cfg.assoc) 6212 return; 6213 6214 guard(mvm)(mvm); 6215 6216 if (sta != mvmvif->ap_sta) 6217 return; 6218 6219 if (iwl_mvm_request_statistics(mvm, false)) 6220 return; 6221 6222 sinfo->rx_beacon = 0; 6223 for_each_mvm_vif_valid_link(mvmvif, i) 6224 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6225 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6226 6227 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6228 if (mvmvif->deflink.beacon_stats.avg_signal) { 6229 /* firmware only reports a value after RXing a few beacons */ 6230 sinfo->rx_beacon_signal_avg = 6231 mvmvif->deflink.beacon_stats.avg_signal; 6232 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6233 } 6234 } 6235 6236 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6237 struct ieee80211_vif *vif, 6238 const struct ieee80211_mlme_event *mlme) 6239 { 6240 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6241 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6242 iwl_dbg_tlv_time_point(&mvm->fwrt, 6243 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6244 NULL); 6245 return; 6246 } 6247 6248 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6249 iwl_dbg_tlv_time_point(&mvm->fwrt, 6250 IWL_FW_INI_TIME_POINT_DEASSOC, 6251 NULL); 6252 return; 6253 } 6254 } 6255 6256 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6257 struct ieee80211_vif *vif, 6258 const struct ieee80211_event *event) 6259 { 6260 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6261 do { \ 6262 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6263 break; \ 6264 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6265 } while (0) 6266 6267 struct iwl_fw_dbg_trigger_tlv *trig; 6268 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6269 6270 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6271 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6272 return; 6273 } 6274 6275 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6276 FW_DBG_TRIGGER_MLME); 6277 if (!trig) 6278 return; 6279 6280 trig_mlme = (void *)trig->data; 6281 6282 if (event->u.mlme.data == ASSOC_EVENT) { 6283 if (event->u.mlme.status == MLME_DENIED) 6284 CHECK_MLME_TRIGGER(stop_assoc_denied, 6285 "DENIED ASSOC: reason %d", 6286 event->u.mlme.reason); 6287 else if (event->u.mlme.status == MLME_TIMEOUT) 6288 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6289 "ASSOC TIMEOUT"); 6290 } else if (event->u.mlme.data == AUTH_EVENT) { 6291 if (event->u.mlme.status == MLME_DENIED) 6292 CHECK_MLME_TRIGGER(stop_auth_denied, 6293 "DENIED AUTH: reason %d", 6294 event->u.mlme.reason); 6295 else if (event->u.mlme.status == MLME_TIMEOUT) 6296 CHECK_MLME_TRIGGER(stop_auth_timeout, 6297 "AUTH TIMEOUT"); 6298 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6299 CHECK_MLME_TRIGGER(stop_rx_deauth, 6300 "DEAUTH RX %d", event->u.mlme.reason); 6301 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6302 CHECK_MLME_TRIGGER(stop_tx_deauth, 6303 "DEAUTH TX %d", event->u.mlme.reason); 6304 } 6305 #undef CHECK_MLME_TRIGGER 6306 } 6307 6308 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6309 struct ieee80211_vif *vif, 6310 const struct ieee80211_event *event) 6311 { 6312 struct iwl_fw_dbg_trigger_tlv *trig; 6313 struct iwl_fw_dbg_trigger_ba *ba_trig; 6314 6315 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6316 FW_DBG_TRIGGER_BA); 6317 if (!trig) 6318 return; 6319 6320 ba_trig = (void *)trig->data; 6321 6322 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6323 return; 6324 6325 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6326 "BAR received from %pM, tid %d, ssn %d", 6327 event->u.ba.sta->addr, event->u.ba.tid, 6328 event->u.ba.ssn); 6329 } 6330 6331 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6332 struct ieee80211_vif *vif, 6333 const struct ieee80211_event *event) 6334 { 6335 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6336 6337 switch (event->type) { 6338 case MLME_EVENT: 6339 iwl_mvm_event_mlme_callback(mvm, vif, event); 6340 break; 6341 case BAR_RX_EVENT: 6342 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6343 break; 6344 case BA_FRAME_TIMEOUT: 6345 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6346 event->u.ba.tid); 6347 break; 6348 default: 6349 break; 6350 } 6351 } 6352 6353 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6354 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6355 enum iwl_mvm_rxq_notif_type type, 6356 bool sync, 6357 const void *data, u32 size) 6358 { 6359 DEFINE_RAW_FLEX(struct iwl_rxq_sync_cmd, cmd, payload, 6360 sizeof(struct iwl_mvm_internal_rxq_notif)); 6361 struct iwl_mvm_internal_rxq_notif *notif = 6362 (struct iwl_mvm_internal_rxq_notif *)cmd->payload; 6363 struct iwl_host_cmd hcmd = { 6364 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6365 .data[0] = &cmd, 6366 .len[0] = sizeof(cmd), 6367 .data[1] = data, 6368 .len[1] = size, 6369 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6370 }; 6371 int ret; 6372 6373 cmd->rxq_mask = cpu_to_le32(BIT(mvm->trans->info.num_rxqs) - 1); 6374 cmd->count = cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6375 size); 6376 notif->type = type; 6377 notif->sync = sync; 6378 6379 /* size must be a multiple of DWORD */ 6380 if (WARN_ON(cmd->count & cpu_to_le32(3))) 6381 return; 6382 6383 if (!iwl_mvm_has_new_rx_api(mvm)) 6384 return; 6385 6386 if (sync) { 6387 notif->cookie = mvm->queue_sync_cookie; 6388 mvm->queue_sync_state = (1 << mvm->trans->info.num_rxqs) - 1; 6389 } 6390 6391 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6392 if (ret) { 6393 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6394 goto out; 6395 } 6396 6397 if (sync) { 6398 lockdep_assert_held(&mvm->mutex); 6399 ret = wait_event_timeout(mvm->rx_sync_waitq, 6400 READ_ONCE(mvm->queue_sync_state) == 0, 6401 SYNC_RX_QUEUE_TIMEOUT); 6402 WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6403 mvm->queue_sync_state, 6404 mvm->queue_sync_cookie); 6405 } 6406 6407 out: 6408 if (sync) { 6409 mvm->queue_sync_state = 0; 6410 mvm->queue_sync_cookie++; 6411 } 6412 } 6413 6414 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6415 { 6416 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6417 6418 guard(mvm)(mvm); 6419 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6420 } 6421 6422 int 6423 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6424 struct ieee80211_vif *vif, 6425 struct cfg80211_ftm_responder_stats *stats) 6426 { 6427 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6428 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6429 6430 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6431 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6432 return -EINVAL; 6433 6434 mutex_lock(&mvm->mutex); 6435 *stats = mvm->ftm_resp_stats; 6436 mutex_unlock(&mvm->mutex); 6437 6438 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6439 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6440 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6441 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6442 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6443 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6444 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6445 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6446 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6447 6448 return 0; 6449 } 6450 6451 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6452 struct cfg80211_pmsr_request *request) 6453 { 6454 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6455 6456 guard(mvm)(mvm); 6457 return iwl_mvm_ftm_start(mvm, vif, request); 6458 } 6459 6460 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6461 struct cfg80211_pmsr_request *request) 6462 { 6463 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6464 6465 guard(mvm)(mvm); 6466 iwl_mvm_ftm_abort(mvm, request); 6467 } 6468 6469 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6470 { 6471 u8 protocol = ip_hdr(skb)->protocol; 6472 6473 if (!IS_ENABLED(CONFIG_INET)) 6474 return false; 6475 6476 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6477 } 6478 6479 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6480 struct sk_buff *head, 6481 struct sk_buff *skb) 6482 { 6483 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6484 6485 /* For now don't aggregate IPv6 in AMSDU */ 6486 if (skb->protocol != htons(ETH_P_IP)) 6487 return false; 6488 6489 if (!iwl_mvm_is_csum_supported(mvm)) 6490 return true; 6491 6492 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6493 } 6494 6495 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6496 struct ieee80211_vif *vif, 6497 struct cfg80211_set_hw_timestamp *hwts) 6498 { 6499 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6500 u32 protocols = 0; 6501 6502 /* HW timestamping is only supported for a specific station */ 6503 if (!hwts->macaddr) 6504 return -EOPNOTSUPP; 6505 6506 if (hwts->enable) 6507 protocols = 6508 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6509 6510 guard(mvm)(mvm); 6511 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6512 } 6513 6514 const struct ieee80211_ops iwl_mvm_hw_ops = { 6515 .tx = iwl_mvm_mac_tx, 6516 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6517 .ampdu_action = iwl_mvm_mac_ampdu_action, 6518 .get_antenna = iwl_mvm_op_get_antenna, 6519 .set_antenna = iwl_mvm_op_set_antenna, 6520 .start = iwl_mvm_mac_start, 6521 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6522 .stop = iwl_mvm_mac_stop, 6523 .add_interface = iwl_mvm_mac_add_interface, 6524 .remove_interface = iwl_mvm_mac_remove_interface, 6525 .config = iwl_mvm_mac_config, 6526 .prepare_multicast = iwl_mvm_prepare_multicast, 6527 .configure_filter = iwl_mvm_configure_filter, 6528 .config_iface_filter = iwl_mvm_config_iface_filter, 6529 .bss_info_changed = iwl_mvm_bss_info_changed, 6530 .hw_scan = iwl_mvm_mac_hw_scan, 6531 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6532 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6533 .sta_state = iwl_mvm_mac_sta_state, 6534 .sta_notify = iwl_mvm_mac_sta_notify, 6535 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6536 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6537 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6538 .link_sta_rc_update = iwl_mvm_sta_rc_update, 6539 .conf_tx = iwl_mvm_mac_conf_tx, 6540 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6541 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6542 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6543 .flush = iwl_mvm_mac_flush, 6544 .flush_sta = iwl_mvm_mac_flush_sta, 6545 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6546 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6547 .set_key = iwl_mvm_mac_set_key, 6548 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6549 .remain_on_channel = iwl_mvm_roc, 6550 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6551 .add_chanctx = iwl_mvm_add_chanctx, 6552 .remove_chanctx = iwl_mvm_remove_chanctx, 6553 .change_chanctx = iwl_mvm_change_chanctx, 6554 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6555 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6556 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6557 6558 .start_ap = iwl_mvm_start_ap, 6559 .stop_ap = iwl_mvm_stop_ap, 6560 .join_ibss = iwl_mvm_start_ibss, 6561 .leave_ibss = iwl_mvm_stop_ibss, 6562 6563 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6564 6565 .set_tim = iwl_mvm_set_tim, 6566 6567 .channel_switch = iwl_mvm_channel_switch, 6568 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6569 .post_channel_switch = iwl_mvm_post_channel_switch, 6570 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6571 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6572 6573 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6574 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6575 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6576 6577 .event_callback = iwl_mvm_mac_event_callback, 6578 6579 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6580 6581 #ifdef CONFIG_PM_SLEEP 6582 /* look at d3.c */ 6583 .suspend = iwl_mvm_suspend, 6584 .resume = iwl_mvm_resume, 6585 .set_wakeup = iwl_mvm_set_wakeup, 6586 .set_rekey_data = iwl_mvm_set_rekey_data, 6587 #if IS_ENABLED(CONFIG_IPV6) 6588 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6589 #endif 6590 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6591 #endif 6592 .get_survey = iwl_mvm_mac_get_survey, 6593 .sta_statistics = iwl_mvm_mac_sta_statistics, 6594 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6595 .start_pmsr = iwl_mvm_start_pmsr, 6596 .abort_pmsr = iwl_mvm_abort_pmsr, 6597 6598 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6599 #ifdef CONFIG_IWLWIFI_DEBUGFS 6600 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6601 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6602 #endif 6603 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6604 }; 6605