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 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 169 170 out: 171 kfree(resp); 172 return regd; 173 } 174 175 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 176 { 177 bool changed; 178 struct ieee80211_regdomain *regd; 179 180 if (!iwl_mvm_is_lar_supported(mvm)) 181 return; 182 183 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 184 if (!IS_ERR_OR_NULL(regd)) { 185 /* only update the regulatory core if changed */ 186 if (changed) 187 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 188 189 kfree(regd); 190 } 191 } 192 193 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 194 bool *changed) 195 { 196 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 197 iwl_mvm_is_wifi_mcc_supported(mvm) ? 198 MCC_SOURCE_GET_CURRENT : 199 MCC_SOURCE_OLD_FW, changed); 200 } 201 202 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 203 { 204 enum iwl_mcc_source used_src; 205 struct ieee80211_regdomain *regd; 206 int ret; 207 bool changed; 208 const struct ieee80211_regdomain *r = 209 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 210 211 if (!r) 212 return -ENOENT; 213 214 /* save the last source in case we overwrite it below */ 215 used_src = mvm->mcc_src; 216 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 217 /* Notify the firmware we support wifi location updates */ 218 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 219 if (!IS_ERR_OR_NULL(regd)) 220 kfree(regd); 221 } 222 223 /* Now set our last stored MCC and source */ 224 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 225 &changed); 226 if (IS_ERR_OR_NULL(regd)) 227 return -EIO; 228 229 /* update cfg80211 if the regdomain was changed or the caller explicitly 230 * asked to update regdomain 231 */ 232 if (changed || force_regd_sync) 233 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 234 else 235 ret = 0; 236 237 kfree(regd); 238 return ret; 239 } 240 241 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 242 static const u8 he_if_types_ext_capa_sta[] = { 243 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 244 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 245 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 246 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 247 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 248 }; 249 250 static const u8 tm_if_types_ext_capa_sta[] = { 251 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 252 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 253 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 254 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 255 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 256 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 257 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 258 }; 259 260 /* Additional interface types for which extended capabilities are 261 * specified separately 262 */ 263 264 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 265 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 266 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 267 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 268 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 269 #define IWL_MVM_MLD_CAPA_OPS (FIELD_PREP_CONST( \ 270 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 271 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) | \ 272 IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT) 273 274 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 275 { 276 .iftype = NL80211_IFTYPE_STATION, 277 .extended_capabilities = he_if_types_ext_capa_sta, 278 .extended_capabilities_mask = he_if_types_ext_capa_sta, 279 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 280 /* relevant only if EHT is supported */ 281 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 282 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 283 }, 284 { 285 .iftype = NL80211_IFTYPE_STATION, 286 .extended_capabilities = tm_if_types_ext_capa_sta, 287 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 288 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 289 /* relevant only if EHT is supported */ 290 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 291 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 292 }, 293 }; 294 295 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, int radio_idx, 296 u32 *tx_ant, u32 *rx_ant) 297 { 298 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 299 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 300 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 301 return 0; 302 } 303 304 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, int radio_idx, u32 tx_ant, 305 u32 rx_ant) 306 { 307 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 308 309 /* This has been tested on those devices only */ 310 if (mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 311 mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_22000 && 312 mvm->trans->mac_cfg->device_family != IWL_DEVICE_FAMILY_AX210) 313 return -EOPNOTSUPP; 314 315 if (!mvm->nvm_data) 316 return -EBUSY; 317 318 /* mac80211 ensures the device is not started, 319 * so the firmware cannot be running 320 */ 321 322 mvm->set_tx_ant = tx_ant; 323 mvm->set_rx_ant = rx_ant; 324 325 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 326 327 return 0; 328 } 329 330 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 331 { 332 struct ieee80211_hw *hw = mvm->hw; 333 int num_mac, ret, i; 334 static const u32 mvm_ciphers[] = { 335 WLAN_CIPHER_SUITE_WEP40, 336 WLAN_CIPHER_SUITE_WEP104, 337 WLAN_CIPHER_SUITE_TKIP, 338 WLAN_CIPHER_SUITE_CCMP, 339 }; 340 #ifdef CONFIG_PM_SLEEP 341 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 342 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 343 #endif 344 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 345 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 346 347 /* Tell mac80211 our characteristics */ 348 ieee80211_hw_set(hw, SIGNAL_DBM); 349 ieee80211_hw_set(hw, SPECTRUM_MGMT); 350 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 351 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 352 ieee80211_hw_set(hw, SUPPORTS_PS); 353 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 354 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 355 ieee80211_hw_set(hw, CONNECTION_MONITOR); 356 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 357 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 358 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 359 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 360 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 361 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 362 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 363 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 364 365 /* Set this early since we need to have it for the check below */ 366 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 367 !iwlwifi_mod_params.disable_11ax && 368 !iwlwifi_mod_params.disable_11be) { 369 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 370 /* we handle this already earlier, but need it for MLO */ 371 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 372 } 373 374 /* With MLD FW API, it tracks timing by itself, 375 * no need for any timing from the host 376 */ 377 if (!mvm->mld_api_is_used) 378 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 379 380 /* 381 * On older devices, enabling TX A-MSDU occasionally leads to 382 * something getting messed up, the command read from the FIFO 383 * gets out of sync and isn't a TX command, so that we have an 384 * assert EDC. 385 * 386 * It's not clear where the bug is, but since we didn't used to 387 * support A-MSDU until moving the mac80211 iTXQs, just leave it 388 * for older devices. We also don't see this issue on any newer 389 * devices. 390 */ 391 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 392 ieee80211_hw_set(hw, TX_AMSDU); 393 ieee80211_hw_set(hw, TX_FRAG_LIST); 394 395 if (iwl_mvm_has_tlc_offload(mvm)) { 396 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 397 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 398 } 399 400 /* We want to use the mac80211's reorder buffer for 9000 */ 401 if (iwl_mvm_has_new_rx_api(mvm) && 402 mvm->trans->mac_cfg->device_family > IWL_DEVICE_FAMILY_9000) 403 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 404 405 if (fw_has_capa(&mvm->fw->ucode_capa, 406 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 407 ieee80211_hw_set(hw, AP_LINK_PS); 408 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 409 /* 410 * we absolutely need this for the new TX API since that comes 411 * with many more queues than the current code can deal with 412 * for station powersave 413 */ 414 return -EINVAL; 415 } 416 417 if (mvm->trans->info.num_rxqs > 1) 418 ieee80211_hw_set(hw, USES_RSS); 419 420 if (mvm->trans->info.max_skb_frags) 421 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 422 423 hw->queues = IEEE80211_NUM_ACS; 424 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 425 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 426 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 427 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 428 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 429 430 hw->radiotap_timestamp.units_pos = 431 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 432 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 433 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 434 hw->radiotap_timestamp.accuracy = 22; 435 436 if (!iwl_mvm_has_tlc_offload(mvm)) 437 hw->rate_control_algorithm = RS_NAME; 438 439 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 440 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 441 hw->max_tx_fragments = mvm->trans->info.max_skb_frags; 442 443 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 444 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 445 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 446 hw->wiphy->cipher_suites = mvm->ciphers; 447 448 if (iwl_mvm_has_new_rx_api(mvm)) { 449 mvm->ciphers[hw->wiphy->n_cipher_suites] = 450 WLAN_CIPHER_SUITE_GCMP; 451 hw->wiphy->n_cipher_suites++; 452 mvm->ciphers[hw->wiphy->n_cipher_suites] = 453 WLAN_CIPHER_SUITE_GCMP_256; 454 hw->wiphy->n_cipher_suites++; 455 } 456 457 if (iwlwifi_mod_params.swcrypto) 458 IWL_ERR(mvm, 459 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 460 if (!iwlwifi_mod_params.bt_coex_active) 461 IWL_ERR(mvm, 462 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 463 464 ieee80211_hw_set(hw, MFP_CAPABLE); 465 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 466 hw->wiphy->n_cipher_suites++; 467 if (iwl_mvm_has_new_rx_api(mvm)) { 468 mvm->ciphers[hw->wiphy->n_cipher_suites] = 469 WLAN_CIPHER_SUITE_BIP_GMAC_128; 470 hw->wiphy->n_cipher_suites++; 471 mvm->ciphers[hw->wiphy->n_cipher_suites] = 472 WLAN_CIPHER_SUITE_BIP_GMAC_256; 473 hw->wiphy->n_cipher_suites++; 474 } 475 476 wiphy_ext_feature_set(hw->wiphy, 477 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 478 wiphy_ext_feature_set(hw->wiphy, 479 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 480 481 if (fw_has_capa(&mvm->fw->ucode_capa, 482 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 483 wiphy_ext_feature_set(hw->wiphy, 484 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 485 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 486 } 487 488 if (sec_key_ver && 489 fw_has_capa(&mvm->fw->ucode_capa, 490 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 491 wiphy_ext_feature_set(hw->wiphy, 492 NL80211_EXT_FEATURE_BEACON_PROTECTION); 493 else if (fw_has_capa(&mvm->fw->ucode_capa, 494 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 495 wiphy_ext_feature_set(hw->wiphy, 496 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 497 498 if (fw_has_capa(&mvm->fw->ucode_capa, 499 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 500 hw->wiphy->hw_timestamp_max_peers = 1; 501 502 if (fw_has_capa(&mvm->fw->ucode_capa, 503 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 504 wiphy_ext_feature_set(hw->wiphy, 505 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 506 507 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 508 hw->wiphy->features |= 509 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 510 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 511 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 512 513 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 514 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 515 hw->chanctx_data_size = sizeof(u16); 516 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 517 518 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 519 BIT(NL80211_IFTYPE_P2P_CLIENT) | 520 BIT(NL80211_IFTYPE_AP) | 521 BIT(NL80211_IFTYPE_P2P_GO) | 522 BIT(NL80211_IFTYPE_P2P_DEVICE) | 523 BIT(NL80211_IFTYPE_ADHOC); 524 525 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 526 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 527 528 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 529 * the hw, preventing us to control which key(id) to use per MPDU. 530 * Till that's fixed we can't use Extended Key ID for the newer cards. 531 */ 532 if (!iwl_mvm_has_new_tx_api(mvm)) 533 wiphy_ext_feature_set(hw->wiphy, 534 NL80211_EXT_FEATURE_EXT_KEY_ID); 535 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 536 537 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 538 if (iwl_mvm_is_lar_supported(mvm)) 539 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 540 else 541 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 542 REGULATORY_DISABLE_BEACON_HINTS; 543 544 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 545 wiphy_ext_feature_set(hw->wiphy, 546 NL80211_EXT_FEATURE_DFS_CONCURRENT); 547 548 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 549 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 550 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 551 552 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 553 hw->wiphy->n_iface_combinations = 554 ARRAY_SIZE(iwl_mvm_iface_combinations); 555 556 hw->wiphy->max_remain_on_channel_duration = 10000; 557 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 558 559 /* Extract MAC address */ 560 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 561 hw->wiphy->addresses = mvm->addresses; 562 hw->wiphy->n_addresses = 1; 563 564 /* Extract additional MAC addresses if available */ 565 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 566 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 567 568 for (i = 1; i < num_mac; i++) { 569 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 570 ETH_ALEN); 571 mvm->addresses[i].addr[5]++; 572 hw->wiphy->n_addresses++; 573 } 574 575 iwl_mvm_reset_phy_ctxts(mvm); 576 577 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 578 579 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 580 581 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 582 BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 583 IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 584 585 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 586 mvm->max_scans = IWL_MAX_UMAC_SCANS; 587 else 588 mvm->max_scans = IWL_MAX_LMAC_SCANS; 589 590 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 591 hw->wiphy->bands[NL80211_BAND_2GHZ] = 592 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 593 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 594 hw->wiphy->bands[NL80211_BAND_5GHZ] = 595 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 596 597 if (fw_has_capa(&mvm->fw->ucode_capa, 598 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 599 fw_has_api(&mvm->fw->ucode_capa, 600 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 601 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 602 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 603 } 604 if (fw_has_capa(&mvm->fw->ucode_capa, 605 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 606 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 607 hw->wiphy->bands[NL80211_BAND_6GHZ] = 608 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 609 610 hw->wiphy->hw_version = mvm->trans->info.hw_id; 611 612 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 613 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 614 else 615 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 616 617 hw->wiphy->max_sched_scan_reqs = 1; 618 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 619 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 620 /* we create the 802.11 header and zero length SSID IE. */ 621 hw->wiphy->max_sched_scan_ie_len = 622 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 623 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 624 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 625 626 /* 627 * the firmware uses u8 for num of iterations, but 0xff is saved for 628 * infinite loop, so the maximum number of iterations is actually 254. 629 */ 630 hw->wiphy->max_sched_scan_plan_iterations = 254; 631 632 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 633 NL80211_FEATURE_LOW_PRIORITY_SCAN | 634 NL80211_FEATURE_P2P_GO_OPPPS | 635 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 636 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 637 638 /* when firmware supports RLC/SMPS offload, do not set these 639 * driver features, since it's no longer supported by driver. 640 */ 641 if (!iwl_mvm_has_rlc_offload(mvm)) 642 hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS | 643 NL80211_FEATURE_DYNAMIC_SMPS; 644 645 if (fw_has_capa(&mvm->fw->ucode_capa, 646 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 647 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 648 if (fw_has_capa(&mvm->fw->ucode_capa, 649 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 650 hw->wiphy->features |= NL80211_FEATURE_QUIET; 651 652 if (fw_has_capa(&mvm->fw->ucode_capa, 653 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 654 hw->wiphy->features |= 655 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 656 657 if (fw_has_capa(&mvm->fw->ucode_capa, 658 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 659 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 660 661 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 662 IWL_FW_CMD_VER_UNKNOWN) >= 3) 663 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 664 665 if (fw_has_api(&mvm->fw->ucode_capa, 666 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 667 wiphy_ext_feature_set(hw->wiphy, 668 NL80211_EXT_FEATURE_SCAN_START_TIME); 669 wiphy_ext_feature_set(hw->wiphy, 670 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 671 } 672 673 if (iwl_mvm_is_oce_supported(mvm)) { 674 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 675 676 wiphy_ext_feature_set(hw->wiphy, 677 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 678 wiphy_ext_feature_set(hw->wiphy, 679 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 680 wiphy_ext_feature_set(hw->wiphy, 681 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 682 683 /* Old firmware also supports probe deferral and suppression */ 684 if (scan_ver < 15) 685 wiphy_ext_feature_set(hw->wiphy, 686 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 687 } 688 689 hw->wiphy->iftype_ext_capab = NULL; 690 hw->wiphy->num_iftype_ext_capab = 0; 691 692 if (mvm->nvm_data->sku_cap_11ax_enable && 693 !iwlwifi_mod_params.disable_11ax) { 694 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 695 hw->wiphy->num_iftype_ext_capab = 696 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 697 698 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 699 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 700 } 701 702 if (iwl_fw_lookup_cmd_ver(mvm->fw, 703 WIDE_ID(DATA_PATH_GROUP, 704 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 705 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 706 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 707 708 if (!hw->wiphy->iftype_ext_capab) { 709 hw->wiphy->num_iftype_ext_capab = 1; 710 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 711 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 712 } else { 713 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 714 } 715 } 716 717 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 718 TOF_RANGE_REQ_CMD), 719 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 720 wiphy_ext_feature_set(hw->wiphy, 721 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 722 723 if (fw_has_capa(&mvm->fw->ucode_capa, 724 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 725 wiphy_ext_feature_set(hw->wiphy, 726 NL80211_EXT_FEATURE_SECURE_LTF); 727 } 728 729 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 730 731 #ifdef CONFIG_PM_SLEEP 732 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 733 device_can_wakeup(mvm->trans->dev)) { 734 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 735 WIPHY_WOWLAN_DISCONNECT | 736 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 737 WIPHY_WOWLAN_RFKILL_RELEASE | 738 WIPHY_WOWLAN_NET_DETECT; 739 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 740 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 741 WIPHY_WOWLAN_4WAY_HANDSHAKE; 742 743 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 744 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 745 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 746 mvm->wowlan.max_nd_match_sets = 747 iwl_umac_scan_get_max_profiles(mvm->fw); 748 hw->wiphy->wowlan = &mvm->wowlan; 749 } 750 #endif 751 752 ret = iwl_mvm_leds_init(mvm); 753 if (ret) 754 return ret; 755 756 if (fw_has_capa(&mvm->fw->ucode_capa, 757 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 758 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 759 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 760 ieee80211_hw_set(hw, TDLS_WIDER_BW); 761 } 762 763 if (fw_has_capa(&mvm->fw->ucode_capa, 764 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 765 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 766 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 767 } 768 769 hw->netdev_features |= mvm->trans->mac_cfg->base->features; 770 if (!iwl_mvm_is_csum_supported(mvm)) 771 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 772 773 if (mvm->cfg->vht_mu_mimo_supported) 774 wiphy_ext_feature_set(hw->wiphy, 775 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 776 777 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 778 wiphy_ext_feature_set(hw->wiphy, 779 NL80211_EXT_FEATURE_PROTECTED_TWT); 780 781 iwl_mvm_vendor_cmds_register(mvm); 782 783 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 784 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 785 786 ret = ieee80211_register_hw(mvm->hw); 787 if (ret) { 788 iwl_mvm_leds_exit(mvm); 789 } 790 791 return ret; 792 } 793 794 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 795 struct ieee80211_sta *sta) 796 { 797 if (likely(sta)) { 798 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 799 return; 800 } else { 801 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 802 return; 803 } 804 805 ieee80211_free_txskb(mvm->hw, skb); 806 } 807 808 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 809 struct ieee80211_tx_control *control, struct sk_buff *skb) 810 { 811 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 812 struct ieee80211_sta *sta = control->sta; 813 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 814 struct ieee80211_hdr *hdr = (void *)skb->data; 815 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 816 IEEE80211_TX_CTL_TX_OFFCHAN; 817 u32 link_id = u32_get_bits(info->control.flags, 818 IEEE80211_TX_CTRL_MLO_LINK); 819 struct ieee80211_sta *tmp_sta = sta; 820 821 if (iwl_mvm_is_radio_killed(mvm)) { 822 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 823 goto drop; 824 } 825 826 if (offchannel && 827 !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) && 828 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 829 goto drop; 830 831 /* 832 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 833 * so we treat the others as broadcast 834 */ 835 if (ieee80211_is_mgmt(hdr->frame_control)) 836 sta = NULL; 837 838 /* this shouldn't even happen: just drop */ 839 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 840 !offchannel) 841 goto drop; 842 843 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 844 !ieee80211_is_probe_resp(hdr->frame_control)) { 845 /* translate MLD addresses to LINK addresses */ 846 struct ieee80211_link_sta *link_sta = 847 rcu_dereference(tmp_sta->link[link_id]); 848 struct ieee80211_bss_conf *link_conf = 849 rcu_dereference(info->control.vif->link_conf[link_id]); 850 struct ieee80211_mgmt *mgmt; 851 852 if (WARN_ON(!link_sta || !link_conf)) 853 goto drop; 854 855 /* if sta is NULL, the frame is a management frame */ 856 mgmt = (void *)hdr; 857 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 858 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 859 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 860 } 861 862 iwl_mvm_tx_skb(mvm, skb, sta); 863 return; 864 drop: 865 ieee80211_free_txskb(hw, skb); 866 } 867 868 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 869 { 870 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 871 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 872 struct sk_buff *skb = NULL; 873 874 /* 875 * No need for threads to be pending here, they can leave the first 876 * taker all the work. 877 * 878 * mvmtxq->tx_request logic: 879 * 880 * If 0, no one is currently TXing, set to 1 to indicate current thread 881 * will now start TX and other threads should quit. 882 * 883 * If 1, another thread is currently TXing, set to 2 to indicate to 884 * that thread that there was another request. Since that request may 885 * have raced with the check whether the queue is empty, the TXing 886 * thread should check the queue's status one more time before leaving. 887 * This check is done in order to not leave any TX hanging in the queue 888 * until the next TX invocation (which may not even happen). 889 * 890 * If 2, another thread is currently TXing, and it will already double 891 * check the queue, so do nothing. 892 */ 893 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 894 return; 895 896 rcu_read_lock(); 897 do { 898 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 899 &mvmtxq->state) && 900 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 901 &mvmtxq->state) && 902 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 903 &mvmtxq->state) && 904 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 905 skb = ieee80211_tx_dequeue(hw, txq); 906 907 if (!skb) { 908 if (txq->sta) 909 IWL_DEBUG_TX(mvm, 910 "TXQ of sta %pM tid %d is now empty\n", 911 txq->sta->addr, 912 txq->tid); 913 break; 914 } 915 916 iwl_mvm_tx_skb(mvm, skb, txq->sta); 917 } 918 } while (atomic_dec_return(&mvmtxq->tx_request)); 919 rcu_read_unlock(); 920 } 921 922 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 923 struct ieee80211_txq *txq) 924 { 925 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 926 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 927 928 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 929 !txq->sta) { 930 iwl_mvm_mac_itxq_xmit(hw, txq); 931 return; 932 } 933 934 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 935 * to handle any packets we leave on the txq now 936 */ 937 938 spin_lock_bh(&mvm->add_stream_lock); 939 /* The list is being deleted only after the queue is fully allocated. */ 940 if (list_empty(&mvmtxq->list) && 941 /* recheck under lock */ 942 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 943 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 944 schedule_work(&mvm->add_stream_wk); 945 } 946 spin_unlock_bh(&mvm->add_stream_lock); 947 } 948 949 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 950 do { \ 951 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 952 break; \ 953 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 954 } while (0) 955 956 static void 957 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 958 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 959 enum ieee80211_ampdu_mlme_action action) 960 { 961 struct iwl_fw_dbg_trigger_tlv *trig; 962 struct iwl_fw_dbg_trigger_ba *ba_trig; 963 964 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 965 FW_DBG_TRIGGER_BA); 966 if (!trig) 967 return; 968 969 ba_trig = (void *)trig->data; 970 971 switch (action) { 972 case IEEE80211_AMPDU_TX_OPERATIONAL: { 973 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 974 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 975 976 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 977 "TX AGG START: MAC %pM tid %d ssn %d\n", 978 sta->addr, tid, tid_data->ssn); 979 break; 980 } 981 case IEEE80211_AMPDU_TX_STOP_CONT: 982 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 983 "TX AGG STOP: MAC %pM tid %d\n", 984 sta->addr, tid); 985 break; 986 case IEEE80211_AMPDU_RX_START: 987 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 988 "RX AGG START: MAC %pM tid %d ssn %d\n", 989 sta->addr, tid, rx_ba_ssn); 990 break; 991 case IEEE80211_AMPDU_RX_STOP: 992 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 993 "RX AGG STOP: MAC %pM tid %d\n", 994 sta->addr, tid); 995 break; 996 default: 997 break; 998 } 999 } 1000 1001 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1002 struct ieee80211_vif *vif, 1003 struct ieee80211_ampdu_params *params) 1004 { 1005 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1006 int ret; 1007 struct ieee80211_sta *sta = params->sta; 1008 enum ieee80211_ampdu_mlme_action action = params->action; 1009 u16 tid = params->tid; 1010 u16 *ssn = ¶ms->ssn; 1011 u16 buf_size = params->buf_size; 1012 bool amsdu = params->amsdu; 1013 u16 timeout = params->timeout; 1014 1015 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1016 sta->addr, tid, action); 1017 1018 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1019 return -EACCES; 1020 1021 mutex_lock(&mvm->mutex); 1022 1023 switch (action) { 1024 case IEEE80211_AMPDU_RX_START: 1025 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1026 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1027 struct iwl_mvm_vif *mvmvif; 1028 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1029 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1030 1031 mdata->opened_rx_ba_sessions = true; 1032 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1033 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1034 } 1035 if (!iwl_enable_rx_ampdu()) { 1036 ret = -EINVAL; 1037 break; 1038 } 1039 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1040 timeout); 1041 break; 1042 case IEEE80211_AMPDU_RX_STOP: 1043 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1044 timeout); 1045 break; 1046 case IEEE80211_AMPDU_TX_START: 1047 if (!iwl_enable_tx_ampdu()) { 1048 ret = -EINVAL; 1049 break; 1050 } 1051 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1052 break; 1053 case IEEE80211_AMPDU_TX_STOP_CONT: 1054 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1055 break; 1056 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1057 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1058 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1059 break; 1060 case IEEE80211_AMPDU_TX_OPERATIONAL: 1061 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1062 buf_size, amsdu); 1063 break; 1064 default: 1065 WARN_ON_ONCE(1); 1066 ret = -EINVAL; 1067 break; 1068 } 1069 1070 if (!ret) { 1071 u16 rx_ba_ssn = 0; 1072 1073 if (action == IEEE80211_AMPDU_RX_START) 1074 rx_ba_ssn = *ssn; 1075 1076 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1077 rx_ba_ssn, action); 1078 } 1079 mutex_unlock(&mvm->mutex); 1080 1081 return ret; 1082 } 1083 1084 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1085 struct ieee80211_vif *vif) 1086 { 1087 struct iwl_mvm *mvm = data; 1088 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1089 struct iwl_probe_resp_data *probe_data; 1090 unsigned int link_id; 1091 1092 mvmvif->uploaded = false; 1093 1094 spin_lock_bh(&mvm->time_event_lock); 1095 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1096 spin_unlock_bh(&mvm->time_event_lock); 1097 1098 mvmvif->roc_activity = ROC_NUM_ACTIVITIES; 1099 1100 mvmvif->bf_enabled = false; 1101 mvmvif->ba_enabled = false; 1102 mvmvif->ap_sta = NULL; 1103 1104 mvmvif->esr_active = false; 1105 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1106 1107 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1108 mvmvif->link[link_id]->ap_sta_id = IWL_INVALID_STA; 1109 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1110 mvmvif->link[link_id]->phy_ctxt = NULL; 1111 mvmvif->link[link_id]->active = 0; 1112 mvmvif->link[link_id]->igtk = NULL; 1113 memset(&mvmvif->link[link_id]->bf_data, 0, 1114 sizeof(mvmvif->link[link_id]->bf_data)); 1115 } 1116 1117 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1118 lockdep_is_held(&mvm->mutex)); 1119 if (probe_data) 1120 kfree_rcu(probe_data, rcu_head); 1121 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1122 } 1123 1124 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1125 { 1126 struct iwl_mvm *mvm = data; 1127 struct iwl_mvm_sta *mvm_sta; 1128 struct ieee80211_vif *vif; 1129 int link_id; 1130 1131 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1132 vif = mvm_sta->vif; 1133 1134 if (!sta->valid_links) 1135 return; 1136 1137 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1138 struct iwl_mvm_link_sta *mvm_link_sta; 1139 1140 mvm_link_sta = 1141 rcu_dereference_check(mvm_sta->link[link_id], 1142 lockdep_is_held(&mvm->mutex)); 1143 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1144 /* 1145 * We have a link STA but the link is inactive in 1146 * mac80211. This will happen if we failed to 1147 * deactivate the link but mac80211 roll back the 1148 * deactivation of the link. 1149 * Delete the stale data to avoid issues later on. 1150 */ 1151 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1152 link_id); 1153 } 1154 } 1155 } 1156 1157 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1158 { 1159 iwl_mvm_stop_device(mvm); 1160 1161 mvm->cur_aid = 0; 1162 1163 mvm->scan_status = 0; 1164 mvm->ps_disabled = false; 1165 mvm->rfkill_safe_init_done = false; 1166 1167 /* just in case one was running */ 1168 iwl_mvm_cleanup_roc_te(mvm); 1169 ieee80211_remain_on_channel_expired(mvm->hw); 1170 1171 iwl_mvm_ftm_restart(mvm); 1172 1173 /* 1174 * cleanup all interfaces, even inactive ones, as some might have 1175 * gone down during the HW restart 1176 */ 1177 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1178 1179 /* cleanup stations as links may be gone after restart */ 1180 ieee80211_iterate_stations_atomic(mvm->hw, 1181 iwl_mvm_cleanup_sta_iterator, mvm); 1182 1183 mvm->p2p_device_vif = NULL; 1184 1185 iwl_mvm_reset_phy_ctxts(mvm); 1186 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1187 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1188 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1189 1190 ieee80211_wake_queues(mvm->hw); 1191 1192 mvm->rx_ba_sessions = 0; 1193 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1194 mvm->monitor_on = false; 1195 #ifdef CONFIG_IWLWIFI_DEBUGFS 1196 mvm->beacon_inject_active = false; 1197 #endif 1198 1199 /* keep statistics ticking */ 1200 iwl_mvm_accu_radio_stats(mvm); 1201 } 1202 1203 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1204 { 1205 bool fast_resume = false; 1206 int ret; 1207 1208 lockdep_assert_held(&mvm->mutex); 1209 1210 ret = iwl_mvm_mei_get_ownership(mvm); 1211 if (ret) 1212 return ret; 1213 1214 if (mvm->mei_nvm_data) { 1215 /* We got the NIC, we can now free the MEI NVM data */ 1216 kfree(mvm->mei_nvm_data); 1217 mvm->mei_nvm_data = NULL; 1218 1219 /* 1220 * We can't free the nvm_data we allocated based on the SAP 1221 * data because we registered to cfg80211 with the channels 1222 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1223 * just in order to be able free it later. 1224 * NULLify nvm_data so that we will read the NVM from the 1225 * firmware this time. 1226 */ 1227 mvm->temp_nvm_data = mvm->nvm_data; 1228 mvm->nvm_data = NULL; 1229 } 1230 1231 #ifdef CONFIG_PM_SLEEP 1232 /* fast_resume will be cleared by iwl_mvm_fast_resume */ 1233 fast_resume = mvm->fast_resume; 1234 1235 if (fast_resume) { 1236 iwl_mvm_mei_device_state(mvm, true); 1237 ret = iwl_mvm_fast_resume(mvm); 1238 if (ret) { 1239 iwl_mvm_stop_device(mvm); 1240 /* iwl_mvm_up() will be called further down */ 1241 } else { 1242 /* 1243 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1244 * mac_down() so that debugfs will stop honoring 1245 * requests after we flush all the workers. 1246 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1247 * now that we are back. This is a bit abusing the 1248 * flag since the firmware wasn't really ever stopped, 1249 * but this still serves the purpose. 1250 */ 1251 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1252 } 1253 } 1254 #endif /* CONFIG_PM_SLEEP */ 1255 1256 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1257 /* 1258 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1259 * so later code will - from now on - see that we're doing it. 1260 */ 1261 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1262 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1263 /* Clean up some internal and mac80211 state on restart */ 1264 iwl_mvm_restart_cleanup(mvm); 1265 } 1266 1267 /* we also want to load the firmware if fast_resume failed */ 1268 if (!fast_resume || ret) 1269 ret = iwl_mvm_up(mvm); 1270 1271 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1272 NULL); 1273 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1274 NULL); 1275 1276 mvm->last_reset_or_resume_time_jiffies = jiffies; 1277 1278 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1279 /* Something went wrong - we need to finish some cleanup 1280 * that normally iwl_mvm_mac_restart_complete() below 1281 * would do. 1282 */ 1283 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1284 } 1285 1286 return ret; 1287 } 1288 1289 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1290 { 1291 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1292 int ret; 1293 int retry, max_retry = 0; 1294 1295 mutex_lock(&mvm->mutex); 1296 1297 /* we are starting the mac not in error flow, and restart is enabled */ 1298 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1299 iwlwifi_mod_params.fw_restart) 1300 max_retry = IWL_MAX_INIT_RETRY; 1301 1302 for (retry = 0; retry <= max_retry; retry++) { 1303 ret = __iwl_mvm_mac_start(mvm); 1304 if (ret != -ETIMEDOUT) 1305 break; 1306 1307 IWL_ERR(mvm, "mac start retry %d\n", retry); 1308 } 1309 1310 mutex_unlock(&mvm->mutex); 1311 1312 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1313 1314 return ret; 1315 } 1316 1317 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1318 { 1319 int ret; 1320 1321 guard(mvm)(mvm); 1322 1323 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1324 1325 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1326 if (ret) 1327 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1328 ret); 1329 1330 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1331 1332 /* 1333 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1334 * of packets the FW sent out, so we must reconnect. 1335 */ 1336 iwl_mvm_teardown_tdls_peers(mvm); 1337 1338 IWL_INFO(mvm, "restart completed\n"); 1339 iwl_trans_finish_sw_reset(mvm->trans); 1340 1341 /* no need to lock, adding in parallel would schedule too */ 1342 if (!list_empty(&mvm->add_stream_txqs)) 1343 schedule_work(&mvm->add_stream_wk); 1344 } 1345 1346 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1347 enum ieee80211_reconfig_type reconfig_type) 1348 { 1349 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1350 1351 switch (reconfig_type) { 1352 case IEEE80211_RECONFIG_TYPE_RESTART: 1353 iwl_mvm_restart_complete(mvm); 1354 break; 1355 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1356 break; 1357 } 1358 } 1359 1360 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1361 { 1362 lockdep_assert_held(&mvm->mutex); 1363 1364 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1365 1366 /* firmware counters are obviously reset now, but we shouldn't 1367 * partially track so also clear the fw_reset_accu counters. 1368 */ 1369 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1370 1371 /* async_handlers_wk is now blocked */ 1372 1373 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1374 iwl_mvm_rm_aux_sta(mvm); 1375 1376 if (suspend && 1377 mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 1378 iwl_mvm_fast_suspend(mvm); 1379 /* From this point on, we won't touch the device */ 1380 iwl_mvm_mei_device_state(mvm, false); 1381 } else { 1382 iwl_mvm_stop_device(mvm); 1383 } 1384 1385 iwl_mvm_async_handlers_purge(mvm); 1386 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1387 1388 /* 1389 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1390 * hw (as restart_complete() won't be called in this case) and mac80211 1391 * won't execute the restart. 1392 * But make sure to cleanup interfaces that have gone down before/during 1393 * HW restart was requested. 1394 */ 1395 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1396 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1397 &mvm->status)) 1398 ieee80211_iterate_interfaces(mvm->hw, 0, 1399 iwl_mvm_cleanup_iterator, mvm); 1400 1401 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1402 * make sure there's nothing left there and warn if any is found. 1403 */ 1404 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1405 int i; 1406 1407 for (i = 0; i < mvm->max_scans; i++) { 1408 if (WARN_ONCE(mvm->scan_uid_status[i], 1409 "UMAC scan UID %d status was not cleaned\n", 1410 i)) 1411 mvm->scan_uid_status[i] = 0; 1412 } 1413 } 1414 } 1415 1416 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1417 { 1418 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1419 1420 /* Stop internal MLO scan, if running */ 1421 mutex_lock(&mvm->mutex); 1422 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1423 mutex_unlock(&mvm->mutex); 1424 1425 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1426 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1427 flush_work(&mvm->async_handlers_wk); 1428 flush_work(&mvm->add_stream_wk); 1429 1430 /* 1431 * Lock and clear the firmware running bit here already, so that 1432 * new commands coming in elsewhere, e.g. from debugfs, will not 1433 * be able to proceed. This is important here because one of those 1434 * debugfs files causes the firmware dump to be triggered, and if we 1435 * don't stop debugfs accesses before canceling that it could be 1436 * retriggered after we flush it but before we've cleared the bit. 1437 */ 1438 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1439 1440 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1441 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1442 1443 /* 1444 * The work item could be running or queued if the 1445 * ROC time event stops just as we get here. 1446 */ 1447 flush_work(&mvm->roc_done_wk); 1448 1449 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1450 1451 mutex_lock(&mvm->mutex); 1452 __iwl_mvm_mac_stop(mvm, suspend); 1453 mutex_unlock(&mvm->mutex); 1454 1455 /* 1456 * The worker might have been waiting for the mutex, let it run and 1457 * discover that its list is now empty. 1458 */ 1459 cancel_work_sync(&mvm->async_handlers_wk); 1460 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1461 } 1462 1463 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1464 { 1465 u16 i; 1466 1467 lockdep_assert_held(&mvm->mutex); 1468 1469 for (i = 0; i < NUM_PHY_CTX; i++) 1470 if (!mvm->phy_ctxts[i].ref) 1471 return &mvm->phy_ctxts[i]; 1472 1473 IWL_ERR(mvm, "No available PHY context\n"); 1474 return NULL; 1475 } 1476 1477 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, 1478 struct ieee80211_bss_conf *link_conf, 1479 s16 tx_power) 1480 { 1481 u32 cmd_id = REDUCE_TX_POWER_CMD; 1482 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(link_conf->vif); 1483 u32 mac_id = mvmvif->id; 1484 int len; 1485 struct iwl_dev_tx_power_cmd_v3_v8 cmd = { 1486 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK), 1487 .common.link_id = cpu_to_le32(mac_id), 1488 }; 1489 struct iwl_dev_tx_power_cmd cmd_v9_v10; 1490 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 3); 1491 u16 u_tx_power = tx_power == IWL_DEFAULT_MAX_TX_POWER ? 1492 IWL_DEV_MAX_TX_POWER : 8 * tx_power; 1493 void *cmd_data = &cmd; 1494 1495 cmd.common.pwr_restriction = cpu_to_le16(u_tx_power); 1496 1497 if (cmd_ver > 8) { 1498 u32 link_id; 1499 1500 if (WARN_ON(!mvmvif->link[link_conf->link_id])) 1501 return -ENODEV; 1502 1503 link_id = mvmvif->link[link_conf->link_id]->fw_link_id; 1504 1505 /* Those fields sit on the same place for v9 and v10 */ 1506 cmd_v9_v10.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK); 1507 cmd_v9_v10.common.link_id = cpu_to_le32(link_id); 1508 cmd_v9_v10.common.pwr_restriction = cpu_to_le16(u_tx_power); 1509 cmd_data = &cmd_v9_v10; 1510 } 1511 1512 if (cmd_ver == 10) 1513 len = sizeof(cmd_v9_v10.v10); 1514 else if (cmd_ver == 9) 1515 len = sizeof(cmd_v9_v10.v9); 1516 else if (cmd_ver == 8) 1517 len = sizeof(cmd.v8); 1518 else if (fw_has_api(&mvm->fw->ucode_capa, 1519 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1520 len = sizeof(cmd.v5); 1521 else if (fw_has_capa(&mvm->fw->ucode_capa, 1522 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1523 len = sizeof(cmd.v4); 1524 else 1525 len = sizeof(cmd.v3); 1526 1527 /* all structs have the same common part, add its length */ 1528 len += sizeof(cmd.common); 1529 1530 if (cmd_ver < 9) 1531 len += sizeof(cmd.per_band); 1532 1533 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, cmd_data); 1534 1535 } 1536 1537 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1538 { 1539 struct ieee80211_hw *hw = data; 1540 int i; 1541 1542 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1543 struct iwl_mvm_txq *mvmtxq = 1544 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1545 1546 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1547 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1548 } 1549 } 1550 1551 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1552 struct ieee80211_vif *vif, 1553 struct ieee80211_bss_conf *link_conf) 1554 { 1555 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1556 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1557 int ret; 1558 1559 mutex_lock(&mvm->mutex); 1560 1561 if (vif->type == NL80211_IFTYPE_STATION) { 1562 struct iwl_mvm_sta *mvmsta; 1563 unsigned int link_id = link_conf->link_id; 1564 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1565 1566 mvmvif->csa_bcn_pending = false; 1567 mvmvif->csa_blocks_tx = false; 1568 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1569 1570 if (WARN_ON(!mvmsta)) { 1571 ret = -EIO; 1572 goto out_unlock; 1573 } 1574 1575 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1576 if (mvm->mld_api_is_used) 1577 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1578 else 1579 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1580 1581 if (!fw_has_capa(&mvm->fw->ucode_capa, 1582 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1583 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1584 if (ret) 1585 goto out_unlock; 1586 1587 iwl_mvm_stop_session_protection(mvm, vif); 1588 } 1589 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1590 struct iwl_mvm_txq *mvmtxq = 1591 iwl_mvm_txq_from_mac80211(vif->txq); 1592 1593 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1594 1595 local_bh_disable(); 1596 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1597 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1598 local_bh_enable(); 1599 1600 mvmvif->csa_blocks_tx = false; 1601 } 1602 1603 mvmvif->ps_disabled = false; 1604 1605 ret = iwl_mvm_power_update_ps(mvm); 1606 1607 out_unlock: 1608 if (mvmvif->csa_failed) 1609 ret = -EIO; 1610 mutex_unlock(&mvm->mutex); 1611 1612 return ret; 1613 } 1614 1615 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1616 struct ieee80211_vif *vif, 1617 struct ieee80211_bss_conf *link_conf) 1618 { 1619 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1620 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1621 struct iwl_chan_switch_te_cmd cmd = { 1622 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1623 mvmvif->color)), 1624 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1625 }; 1626 1627 /* 1628 * In the new flow since FW is in charge of the timing, 1629 * if driver has canceled the channel switch he will receive the 1630 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1631 */ 1632 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1633 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1634 return; 1635 1636 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1637 1638 mutex_lock(&mvm->mutex); 1639 if (!fw_has_capa(&mvm->fw->ucode_capa, 1640 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1641 iwl_mvm_remove_csa_period(mvm, vif); 1642 else 1643 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1644 WIDE_ID(MAC_CONF_GROUP, 1645 CHANNEL_SWITCH_TIME_EVENT_CMD), 1646 0, sizeof(cmd), &cmd)); 1647 mvmvif->csa_failed = true; 1648 mutex_unlock(&mvm->mutex); 1649 1650 /* If we're here, we can't support MLD */ 1651 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1652 } 1653 1654 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1655 { 1656 struct iwl_mvm_vif *mvmvif; 1657 struct ieee80211_vif *vif; 1658 1659 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1660 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1661 1662 /* Trigger disconnect (should clear the CSA state) */ 1663 ieee80211_chswitch_done(vif, false, 0); 1664 } 1665 1666 static u8 1667 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1668 { 1669 int data_start; 1670 int control_start; 1671 int bw; 1672 1673 if (chandef->width == NL80211_CHAN_WIDTH_320) 1674 bw = 320; 1675 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1676 bw = 160; 1677 else 1678 return 0; 1679 1680 /* data is bw wide so the start is half the width */ 1681 data_start = chandef->center_freq1 - bw / 2; 1682 /* control is 20Mhz width */ 1683 control_start = chandef->chan->center_freq - 10; 1684 1685 return (control_start - data_start) / 80; 1686 } 1687 1688 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1689 struct ieee80211_vif *vif) 1690 { 1691 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1692 int ret; 1693 1694 lockdep_assert_held(&mvm->mutex); 1695 1696 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1697 if (ret) { 1698 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1699 return ret; 1700 } 1701 1702 /* Only queue for this station is the mcast queue, 1703 * which shouldn't be in TFD mask anyway 1704 */ 1705 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1706 vif->type, 1707 IWL_STA_MULTICAST); 1708 } 1709 1710 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1711 struct wiphy_work *wk) 1712 { 1713 struct iwl_mvm_vif *mvmvif = 1714 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1715 struct iwl_mvm *mvm = mvmvif->mvm; 1716 struct ieee80211_vif *vif = 1717 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1718 1719 guard(mvm)(mvm); 1720 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1721 } 1722 1723 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1724 { 1725 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1726 mlo_int_scan_wk.work); 1727 struct ieee80211_vif *vif = 1728 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1729 1730 guard(mvm)(mvmvif->mvm); 1731 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1732 } 1733 1734 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1735 { 1736 struct iwl_mvm_vif *mvmvif = 1737 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1738 struct iwl_mvm *mvm = mvmvif->mvm; 1739 struct ieee80211_vif *vif = 1740 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1741 1742 guard(mvm)(mvm); 1743 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1744 } 1745 1746 static void iwl_mvm_unblock_esr_tmp_non_bss(struct wiphy *wiphy, 1747 struct wiphy_work *wk) 1748 { 1749 struct iwl_mvm_vif *mvmvif = 1750 container_of(wk, struct iwl_mvm_vif, 1751 unblock_esr_tmp_non_bss_wk.work); 1752 struct iwl_mvm *mvm = mvmvif->mvm; 1753 struct ieee80211_vif *vif = 1754 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1755 1756 mutex_lock(&mvm->mutex); 1757 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TMP_NON_BSS); 1758 mutex_unlock(&mvm->mutex); 1759 } 1760 1761 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1762 { 1763 lockdep_assert_held(&mvm->mutex); 1764 1765 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1766 return; 1767 1768 mvmvif->deflink.average_beacon_energy = 0; 1769 1770 INIT_DELAYED_WORK(&mvmvif->csa_work, 1771 iwl_mvm_channel_switch_disconnect_wk); 1772 1773 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1774 iwl_mvm_prevent_esr_done_wk); 1775 1776 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1777 iwl_mvm_mlo_int_scan_wk); 1778 1779 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1780 iwl_mvm_unblock_esr_tpt); 1781 1782 wiphy_delayed_work_init(&mvmvif->unblock_esr_tmp_non_bss_wk, 1783 iwl_mvm_unblock_esr_tmp_non_bss); 1784 } 1785 1786 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1787 struct ieee80211_vif *vif) 1788 { 1789 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1790 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1791 int ret; 1792 int i; 1793 1794 mutex_lock(&mvm->mutex); 1795 1796 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1797 1798 mvmvif->mvm = mvm; 1799 1800 /* the first link always points to the default one */ 1801 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1802 mvmvif->deflink.active = 0; 1803 mvmvif->link[0] = &mvmvif->deflink; 1804 1805 vif->driver_flags = IEEE80211_VIF_REMOVE_AP_AFTER_DISASSOC; 1806 1807 iwl_mvm_set_link_fw_id(mvm, vif, &vif->bss_conf); 1808 1809 /* 1810 * Not much to do here. The stack will not allow interface 1811 * types or combinations that we didn't advertise, so we 1812 * don't really have to check the types. 1813 */ 1814 1815 /* make sure that beacon statistics don't go backwards with FW reset */ 1816 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1817 for_each_mvm_vif_valid_link(mvmvif, i) 1818 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1819 mvmvif->link[i]->beacon_stats.num_beacons; 1820 1821 /* Allocate resources for the MAC context, and add it to the fw */ 1822 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1823 if (ret) 1824 goto out; 1825 1826 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1827 1828 /* Currently not much to do for NAN */ 1829 if (vif->type == NL80211_IFTYPE_NAN) { 1830 ret = 0; 1831 goto out; 1832 } 1833 1834 /* 1835 * The AP binding flow can be done only after the beacon 1836 * template is configured (which happens only in the mac80211 1837 * start_ap() flow), and adding the broadcast station can happen 1838 * only after the binding. 1839 * In addition, since modifying the MAC before adding a bcast 1840 * station is not allowed by the FW, delay the adding of MAC context to 1841 * the point where we can also add the bcast station. 1842 * In short: there's not much we can do at this point, other than 1843 * allocating resources :) 1844 */ 1845 if (vif->type == NL80211_IFTYPE_AP || 1846 vif->type == NL80211_IFTYPE_ADHOC) { 1847 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1848 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1849 ret = 0; 1850 goto out; 1851 } 1852 1853 mvmvif->features |= hw->netdev_features; 1854 1855 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1856 if (ret) 1857 goto out_unlock; 1858 1859 ret = iwl_mvm_power_update_mac(mvm); 1860 if (ret) 1861 goto out_remove_mac; 1862 1863 /* beacon filtering */ 1864 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1865 if (ret) 1866 goto out_remove_mac; 1867 1868 if (!mvm->bf_allowed_vif && 1869 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1870 mvm->bf_allowed_vif = mvmvif; 1871 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1872 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1873 } 1874 1875 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1876 mvm->p2p_device_vif = vif; 1877 1878 iwl_mvm_tcm_add_vif(mvm, vif); 1879 1880 if (vif->type == NL80211_IFTYPE_MONITOR) { 1881 mvm->monitor_on = true; 1882 mvm->monitor_p80 = 1883 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1884 } 1885 1886 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1887 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1888 1889 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1890 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1891 !mvm->csme_vif && mvm->mei_registered) { 1892 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1893 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1894 mvm->csme_vif = vif; 1895 } 1896 1897 out: 1898 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1899 vif->type == NL80211_IFTYPE_ADHOC)) 1900 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1901 1902 goto out_unlock; 1903 1904 out_remove_mac: 1905 mvmvif->deflink.phy_ctxt = NULL; 1906 iwl_mvm_mac_ctxt_remove(mvm, vif); 1907 out_unlock: 1908 mutex_unlock(&mvm->mutex); 1909 1910 return ret; 1911 } 1912 1913 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1914 struct ieee80211_vif *vif) 1915 { 1916 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1917 1918 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1919 /* 1920 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1921 * We assume here that all the packets sent to the OFFCHANNEL 1922 * queue are sent in ROC session. 1923 */ 1924 flush_work(&mvm->roc_done_wk); 1925 } 1926 1927 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1928 &mvmvif->prevent_esr_done_wk); 1929 1930 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1931 &mvmvif->mlo_int_scan_wk); 1932 1933 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1934 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1935 &mvmvif->unblock_esr_tmp_non_bss_wk); 1936 1937 cancel_delayed_work_sync(&mvmvif->csa_work); 1938 } 1939 1940 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1941 struct ieee80211_vif *vif) 1942 { 1943 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1944 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1945 struct iwl_probe_resp_data *probe_data; 1946 1947 iwl_mvm_prepare_mac_removal(mvm, vif); 1948 1949 if (!(vif->type == NL80211_IFTYPE_AP || 1950 vif->type == NL80211_IFTYPE_ADHOC)) 1951 iwl_mvm_tcm_rm_vif(mvm, vif); 1952 1953 mutex_lock(&mvm->mutex); 1954 1955 if (vif == mvm->csme_vif) { 1956 iwl_mei_set_netdev(NULL); 1957 mvm->csme_vif = NULL; 1958 } 1959 1960 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1961 lockdep_is_held(&mvm->mutex)); 1962 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1963 if (probe_data) 1964 kfree_rcu(probe_data, rcu_head); 1965 1966 if (mvm->bf_allowed_vif == mvmvif) { 1967 mvm->bf_allowed_vif = NULL; 1968 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1969 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1970 } 1971 1972 if (vif->bss_conf.ftm_responder) 1973 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1974 1975 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1976 1977 /* 1978 * For AP/GO interface, the tear down of the resources allocated to the 1979 * interface is be handled as part of the stop_ap flow. 1980 */ 1981 if (vif->type == NL80211_IFTYPE_AP || 1982 vif->type == NL80211_IFTYPE_ADHOC) 1983 goto out; 1984 1985 iwl_mvm_power_update_mac(mvm); 1986 1987 /* Before the interface removal, mac80211 would cancel the ROC, and the 1988 * ROC worker would be scheduled if needed. The worker would be flushed 1989 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1990 * binding etc. so nothing needs to be done here. 1991 */ 1992 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1993 if (mvmvif->deflink.phy_ctxt) { 1994 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1995 mvmvif->deflink.phy_ctxt = NULL; 1996 } 1997 mvm->p2p_device_vif = NULL; 1998 } 1999 2000 iwl_mvm_mac_ctxt_remove(mvm, vif); 2001 2002 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 2003 2004 if (vif->type == NL80211_IFTYPE_MONITOR) 2005 mvm->monitor_on = false; 2006 2007 out: 2008 if (vif->type == NL80211_IFTYPE_AP || 2009 vif->type == NL80211_IFTYPE_ADHOC) { 2010 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 2011 iwl_mvm_dealloc_bcast_sta(mvm, vif); 2012 } 2013 2014 mutex_unlock(&mvm->mutex); 2015 } 2016 2017 struct iwl_mvm_mc_iter_data { 2018 struct iwl_mvm *mvm; 2019 int port_id; 2020 }; 2021 2022 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 2023 struct ieee80211_vif *vif) 2024 { 2025 struct iwl_mvm_mc_iter_data *data = _data; 2026 struct iwl_mvm *mvm = data->mvm; 2027 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 2028 struct iwl_host_cmd hcmd = { 2029 .id = MCAST_FILTER_CMD, 2030 .flags = CMD_ASYNC, 2031 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2032 }; 2033 int ret, len; 2034 2035 /* if we don't have free ports, mcast frames will be dropped */ 2036 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2037 return; 2038 2039 if (vif->type != NL80211_IFTYPE_STATION || 2040 !vif->cfg.assoc) 2041 return; 2042 2043 cmd->port_id = data->port_id++; 2044 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2045 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2046 2047 hcmd.len[0] = len; 2048 hcmd.data[0] = cmd; 2049 2050 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2051 if (ret) 2052 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2053 } 2054 2055 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2056 { 2057 struct iwl_mvm_mc_iter_data iter_data = { 2058 .mvm = mvm, 2059 }; 2060 int ret; 2061 2062 lockdep_assert_held(&mvm->mutex); 2063 2064 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2065 return; 2066 2067 ieee80211_iterate_active_interfaces_atomic( 2068 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2069 iwl_mvm_mc_iface_iterator, &iter_data); 2070 2071 /* 2072 * Send a (synchronous) ech command so that we wait for the 2073 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2074 * the interface iterator. Otherwise, we might get here over 2075 * and over again (by userspace just sending a lot of these) 2076 * and the CPU can send them faster than the firmware can 2077 * process them. 2078 * Note that the CPU is still faster - but with this we'll 2079 * actually send fewer commands overall because the CPU will 2080 * not schedule the work in mac80211 as frequently if it's 2081 * still running when rescheduled (possibly multiple times). 2082 */ 2083 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2084 if (ret) 2085 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2086 } 2087 2088 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2089 struct netdev_hw_addr_list *mc_list) 2090 { 2091 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2092 struct iwl_mcast_filter_cmd *cmd; 2093 struct netdev_hw_addr *addr; 2094 int addr_count; 2095 bool pass_all; 2096 int len; 2097 2098 addr_count = netdev_hw_addr_list_count(mc_list); 2099 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2100 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2101 if (pass_all) 2102 addr_count = 0; 2103 2104 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2105 cmd = kzalloc(len, GFP_ATOMIC); 2106 if (!cmd) 2107 return 0; 2108 2109 if (pass_all) { 2110 cmd->pass_all = 1; 2111 return (u64)(unsigned long)cmd; 2112 } 2113 2114 netdev_hw_addr_list_for_each(addr, mc_list) { 2115 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2116 cmd->count, addr->addr); 2117 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2118 addr->addr, ETH_ALEN); 2119 cmd->count++; 2120 } 2121 2122 return (u64)(unsigned long)cmd; 2123 } 2124 2125 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2126 unsigned int changed_flags, 2127 unsigned int *total_flags, u64 multicast) 2128 { 2129 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2130 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2131 2132 guard(mvm)(mvm); 2133 2134 /* replace previous configuration */ 2135 kfree(mvm->mcast_filter_cmd); 2136 mvm->mcast_filter_cmd = cmd; 2137 2138 if (!cmd) 2139 goto out; 2140 2141 if (changed_flags & FIF_ALLMULTI) 2142 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2143 2144 if (cmd->pass_all) 2145 cmd->count = 0; 2146 2147 iwl_mvm_recalc_multicast(mvm); 2148 out: 2149 *total_flags = 0; 2150 } 2151 2152 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2153 struct ieee80211_vif *vif, 2154 unsigned int filter_flags, 2155 unsigned int changed_flags) 2156 { 2157 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2158 2159 /* We support only filter for probe requests */ 2160 if (!(changed_flags & FIF_PROBE_REQ)) 2161 return; 2162 2163 /* Supported only for p2p client interfaces */ 2164 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2165 !vif->p2p) 2166 return; 2167 2168 guard(mvm)(mvm); 2169 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2170 } 2171 2172 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2173 { 2174 struct iwl_mu_group_mgmt_cmd cmd = {}; 2175 2176 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2177 WLAN_MEMBERSHIP_LEN); 2178 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2179 WLAN_USER_POSITION_LEN); 2180 2181 return iwl_mvm_send_cmd_pdu(mvm, 2182 WIDE_ID(DATA_PATH_GROUP, 2183 UPDATE_MU_GROUPS_CMD), 2184 0, sizeof(cmd), &cmd); 2185 } 2186 2187 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2188 struct ieee80211_vif *vif) 2189 { 2190 if (vif->bss_conf.mu_mimo_owner) { 2191 struct iwl_mu_group_mgmt_notif *notif = _data; 2192 2193 /* 2194 * MU-MIMO Group Id action frame is little endian. We treat 2195 * the data received from firmware as if it came from the 2196 * action frame, so no conversion is needed. 2197 */ 2198 ieee80211_update_mu_groups(vif, 0, 2199 (u8 *)¬if->membership_status, 2200 (u8 *)¬if->user_position); 2201 } 2202 } 2203 2204 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2205 struct iwl_rx_cmd_buffer *rxb) 2206 { 2207 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2208 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2209 2210 ieee80211_iterate_active_interfaces_atomic( 2211 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2212 iwl_mvm_mu_mimo_iface_iterator, notif); 2213 } 2214 2215 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2216 { 2217 u8 byte_num = ppe_pos_bit / 8; 2218 u8 bit_num = ppe_pos_bit % 8; 2219 u8 residue_bits; 2220 u8 res; 2221 2222 if (bit_num <= 5) 2223 return (ppe[byte_num] >> bit_num) & 2224 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2225 2226 /* 2227 * If bit_num > 5, we have to combine bits with next byte. 2228 * Calculate how many bits we need to take from current byte (called 2229 * here "residue_bits"), and add them to bits from next byte. 2230 */ 2231 2232 residue_bits = 8 - bit_num; 2233 2234 res = (ppe[byte_num + 1] & 2235 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2236 residue_bits; 2237 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2238 2239 return res; 2240 } 2241 2242 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2243 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2244 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2245 bool inheritance) 2246 { 2247 int i; 2248 2249 /* 2250 * FW currently supports only nss == MAX_HE_SUPP_NSS 2251 * 2252 * If nss > MAX: we can ignore values we don't support 2253 * If nss < MAX: we can set zeros in other streams 2254 */ 2255 if (nss > MAX_HE_SUPP_NSS) { 2256 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2257 MAX_HE_SUPP_NSS); 2258 nss = MAX_HE_SUPP_NSS; 2259 } 2260 2261 for (i = 0; i < nss; i++) { 2262 u8 ru_index_tmp = ru_index_bitmap << 1; 2263 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2264 u8 bw; 2265 2266 for (bw = 0; 2267 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2268 bw++) { 2269 ru_index_tmp >>= 1; 2270 2271 /* 2272 * According to the 11be spec, if for a specific BW the PPE Thresholds 2273 * isn't present - it should inherit the thresholds from the last 2274 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2275 * this inheritance - continue in this case 2276 */ 2277 if (!(ru_index_tmp & 1)) { 2278 if (inheritance) 2279 goto set_thresholds; 2280 else 2281 continue; 2282 } 2283 2284 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2285 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2286 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2287 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2288 2289 set_thresholds: 2290 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2291 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2292 } 2293 } 2294 } 2295 2296 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2297 struct ieee80211_link_sta *link_sta, 2298 struct iwl_he_pkt_ext_v2 *pkt_ext, 2299 bool inheritance) 2300 { 2301 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2302 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2303 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2304 u8 ru_index_bitmap = 2305 u8_get_bits(*ppe, 2306 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2307 /* Starting after PPE header */ 2308 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2309 2310 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2311 inheritance); 2312 } 2313 2314 static int 2315 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2316 u8 nominal_padding) 2317 { 2318 int low_th = -1; 2319 int high_th = -1; 2320 int i; 2321 2322 /* all the macros are the same for EHT and HE */ 2323 switch (nominal_padding) { 2324 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2325 low_th = IWL_HE_PKT_EXT_NONE; 2326 high_th = IWL_HE_PKT_EXT_NONE; 2327 break; 2328 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2329 low_th = IWL_HE_PKT_EXT_BPSK; 2330 high_th = IWL_HE_PKT_EXT_NONE; 2331 break; 2332 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2333 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2334 low_th = IWL_HE_PKT_EXT_NONE; 2335 high_th = IWL_HE_PKT_EXT_BPSK; 2336 break; 2337 } 2338 2339 if (low_th < 0 || high_th < 0) 2340 return -EINVAL; 2341 2342 /* Set the PPE thresholds accordingly */ 2343 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2344 u8 bw; 2345 2346 for (bw = 0; 2347 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2348 bw++) { 2349 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2350 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2351 } 2352 } 2353 2354 return 0; 2355 } 2356 2357 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2358 u8 nominal_padding) 2359 { 2360 int i; 2361 2362 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2363 u8 bw; 2364 2365 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2366 bw++) { 2367 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2368 2369 if (nominal_padding > 2370 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2371 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2372 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2373 else if (nominal_padding == 2374 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2375 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2376 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2377 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2378 } 2379 } 2380 } 2381 2382 /* Set the pkt_ext field according to PPE Thresholds element */ 2383 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2384 struct ieee80211_link_sta *link_sta, 2385 struct iwl_he_pkt_ext_v2 *pkt_ext) 2386 { 2387 u8 nominal_padding; 2388 int i, ret = 0; 2389 2390 if (WARN_ON(!link_sta)) 2391 return -EINVAL; 2392 2393 /* Initialize the PPE thresholds to "None" (7), as described in Table 2394 * 9-262ac of 80211.ax/D3.0. 2395 */ 2396 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2397 sizeof(struct iwl_he_pkt_ext_v2)); 2398 2399 if (link_sta->eht_cap.has_eht) { 2400 nominal_padding = 2401 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2402 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2403 2404 /* If PPE Thresholds exists, parse them into a FW-familiar 2405 * format. 2406 */ 2407 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2408 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2409 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2410 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2411 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2412 u8 ru_index_bitmap = 2413 u16_get_bits(*ppe, 2414 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2415 /* Starting after PPE header */ 2416 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2417 2418 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2419 ppe, ppe_pos_bit, true); 2420 /* EHT PPE Thresholds doesn't exist - set the API according to 2421 * HE PPE Tresholds 2422 */ 2423 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2424 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2425 /* Even though HE Capabilities IE doesn't contain PPE 2426 * Thresholds for BW 320Mhz, thresholds for this BW will 2427 * be filled in with the same values as 160Mhz, due to 2428 * the inheritance, as required. 2429 */ 2430 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2431 true); 2432 2433 /* According to the requirements, for MCSs 12-13 the 2434 * maximum value between HE PPE Threshold and Common 2435 * Nominal Packet Padding needs to be taken 2436 */ 2437 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2438 2439 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2440 * take the Thresholds from Common Nominal Packet Padding field 2441 */ 2442 } else { 2443 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2444 nominal_padding); 2445 } 2446 } else if (link_sta->he_cap.has_he) { 2447 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2448 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2449 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2450 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2451 false); 2452 /* PPE Thresholds doesn't exist - set the API PPE values 2453 * according to Common Nominal Packet Padding field. 2454 */ 2455 } else { 2456 nominal_padding = 2457 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2458 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2459 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2460 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2461 nominal_padding); 2462 } 2463 } 2464 2465 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2466 int bw; 2467 2468 for (bw = 0; 2469 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2470 bw++) { 2471 u8 *qam_th = 2472 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2473 2474 IWL_DEBUG_HT(mvm, 2475 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2476 i, bw, qam_th[0], qam_th[1]); 2477 } 2478 } 2479 return ret; 2480 } 2481 2482 /* 2483 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2484 * is enabled or not 2485 */ 2486 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2487 const struct iwl_mvm_vif_link_info *link_info, 2488 struct iwl_he_backoff_conf *trig_based_txf) 2489 { 2490 int i; 2491 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2492 bool mu_edca_enabled = true; 2493 2494 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2495 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2496 &link_info->queue_params[i].mu_edca_param_rec; 2497 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2498 2499 if (!link_info->queue_params[i].mu_edca) { 2500 mu_edca_enabled = false; 2501 break; 2502 } 2503 2504 trig_based_txf[ac].cwmin = 2505 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2506 trig_based_txf[ac].cwmax = 2507 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2508 trig_based_txf[ac].aifsn = 2509 cpu_to_le16(mu_edca->aifsn & 0xf); 2510 trig_based_txf[ac].mu_time = 2511 cpu_to_le16(mu_edca->mu_edca_timer); 2512 } 2513 2514 return mu_edca_enabled; 2515 } 2516 2517 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2518 { 2519 const struct ieee80211_supported_band *sband; 2520 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2521 2522 /* This capability is the same for all bands, 2523 * so take it from one of them. 2524 */ 2525 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2526 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2527 2528 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2529 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2530 } 2531 2532 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2533 struct ieee80211_link_sta *link_sta) 2534 { 2535 u8 *mac_cap_info = 2536 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2537 __le32 htc_flags = 0; 2538 2539 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2540 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2541 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2542 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2543 u8 link_adap = 2544 ((mac_cap_info[2] & 2545 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2546 (mac_cap_info[1] & 2547 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2548 2549 if (link_adap == 2) 2550 htc_flags |= 2551 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2552 else if (link_adap == 3) 2553 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2554 } 2555 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2556 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2557 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2558 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2559 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2560 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2561 2562 return htc_flags; 2563 } 2564 2565 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2566 struct ieee80211_vif *vif, u8 sta_id) 2567 { 2568 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2569 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2570 .sta_id = sta_id, 2571 .tid_limit = IWL_MAX_TID_COUNT, 2572 .bss_color = vif->bss_conf.he_bss_color.color, 2573 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2574 .frame_time_rts_th = 2575 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2576 }; 2577 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2578 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2579 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2580 int size; 2581 struct ieee80211_sta *sta; 2582 u32 flags; 2583 int i; 2584 void *cmd; 2585 2586 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2587 ver = 1; 2588 2589 switch (ver) { 2590 case 1: 2591 /* same layout as v2 except some data at the end */ 2592 cmd = &sta_ctxt_cmd_v2; 2593 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2594 break; 2595 case 2: 2596 cmd = &sta_ctxt_cmd_v2; 2597 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2598 break; 2599 case 3: 2600 cmd = &sta_ctxt_cmd; 2601 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2602 break; 2603 default: 2604 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2605 return; 2606 } 2607 2608 rcu_read_lock(); 2609 2610 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2611 if (IS_ERR_OR_NULL(sta)) { 2612 rcu_read_unlock(); 2613 WARN(1, "Can't find STA to configure HE\n"); 2614 return; 2615 } 2616 2617 if (!sta->deflink.he_cap.has_he) { 2618 rcu_read_unlock(); 2619 return; 2620 } 2621 2622 flags = 0; 2623 2624 /* Block 26-tone RU OFDMA transmissions */ 2625 if (mvmvif->deflink.he_ru_2mhz_block) 2626 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2627 2628 /* HTC flags */ 2629 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2630 2631 /* PPE Thresholds */ 2632 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2633 flags |= STA_CTXT_HE_PACKET_EXT; 2634 2635 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2636 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2637 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2638 2639 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2640 IEEE80211_HE_MAC_CAP2_ACK_EN) 2641 flags |= STA_CTXT_HE_ACK_ENABLED; 2642 2643 rcu_read_unlock(); 2644 2645 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2646 &sta_ctxt_cmd.trig_based_txf[0])) 2647 flags |= STA_CTXT_HE_MU_EDCA_CW; 2648 2649 if (vif->bss_conf.uora_exists) { 2650 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2651 2652 sta_ctxt_cmd.rand_alloc_ecwmin = 2653 vif->bss_conf.uora_ocw_range & 0x7; 2654 sta_ctxt_cmd.rand_alloc_ecwmax = 2655 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2656 } 2657 2658 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2659 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2660 2661 if (vif->bss_conf.nontransmitted) { 2662 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2663 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2664 vif->bss_conf.transmitter_bssid); 2665 sta_ctxt_cmd.max_bssid_indicator = 2666 vif->bss_conf.bssid_indicator; 2667 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2668 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2669 sta_ctxt_cmd.profile_periodicity = 2670 vif->bss_conf.profile_periodicity; 2671 } 2672 2673 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2674 2675 if (ver < 3) { 2676 /* fields before pkt_ext */ 2677 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2678 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2679 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2680 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2681 2682 /* pkt_ext */ 2683 for (i = 0; 2684 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2685 i++) { 2686 u8 bw; 2687 2688 for (bw = 0; 2689 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2690 bw++) { 2691 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2692 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2693 2694 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2695 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2696 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2697 } 2698 } 2699 2700 /* fields after pkt_ext */ 2701 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2702 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2703 sizeof(sta_ctxt_cmd_v2) - 2704 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2705 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2706 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2707 (u8 *)&sta_ctxt_cmd + 2708 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2709 sizeof(sta_ctxt_cmd) - 2710 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2711 sta_ctxt_cmd_v2.reserved3 = 0; 2712 } 2713 2714 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2715 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2716 } 2717 2718 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2719 u32 duration_override, unsigned int link_id) 2720 { 2721 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2722 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2723 2724 if (duration_override > duration) 2725 duration = duration_override; 2726 2727 /* Try really hard to protect the session and hear a beacon 2728 * The new session protection command allows us to protect the 2729 * session for a much longer time since the firmware will internally 2730 * create two events: a 300TU one with a very high priority that 2731 * won't be fragmented which should be enough for 99% of the cases, 2732 * and another one (which we configure here to be 900TU long) which 2733 * will have a slightly lower priority, but more importantly, can be 2734 * fragmented so that it'll allow other activities to run. 2735 */ 2736 if (fw_has_capa(&mvm->fw->ucode_capa, 2737 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2738 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2739 min_duration, false, 2740 link_id); 2741 else 2742 iwl_mvm_protect_session(mvm, vif, duration, 2743 min_duration, 500, false); 2744 } 2745 2746 /* Handle association common part to MLD and non-MLD modes */ 2747 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2748 struct ieee80211_vif *vif, 2749 u64 changes) 2750 { 2751 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2752 int ret; 2753 int link_id; 2754 2755 /* The firmware tracks the MU-MIMO group on its own. 2756 * However, on HW restart we should restore this data. 2757 */ 2758 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2759 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2760 ret = iwl_mvm_update_mu_groups(mvm, vif); 2761 if (ret) 2762 IWL_ERR(mvm, 2763 "failed to update VHT MU_MIMO groups\n"); 2764 } 2765 2766 iwl_mvm_recalc_multicast(mvm); 2767 2768 /* reset rssi values */ 2769 for_each_mvm_vif_valid_link(mvmvif, link_id) 2770 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2771 2772 iwl_mvm_bt_coex_vif_change(mvm); 2773 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2774 IEEE80211_SMPS_AUTOMATIC); 2775 if (fw_has_capa(&mvm->fw->ucode_capa, 2776 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2777 iwl_mvm_config_scan(mvm); 2778 } 2779 2780 /* Execute the common part for MLD and non-MLD modes */ 2781 void 2782 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2783 struct ieee80211_vif *vif, 2784 struct ieee80211_bss_conf *link_conf, 2785 u64 changes) 2786 { 2787 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2788 int ret; 2789 2790 if (changes & BSS_CHANGED_BEACON_INFO) { 2791 /* We received a beacon from the associated AP so 2792 * remove the session protection. 2793 */ 2794 iwl_mvm_stop_session_protection(mvm, vif); 2795 2796 iwl_mvm_sf_update(mvm, vif, false); 2797 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2798 } 2799 2800 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2801 /* Send power command on every beacon change, 2802 * because we may have not enabled beacon abort yet. 2803 */ 2804 BSS_CHANGED_BEACON_INFO)) { 2805 ret = iwl_mvm_power_update_mac(mvm); 2806 if (ret) 2807 IWL_ERR(mvm, "failed to update power mode\n"); 2808 } 2809 2810 if (changes & BSS_CHANGED_CQM) { 2811 struct iwl_mvm_vif_link_info *link_info = 2812 mvmvif->link[link_conf->link_id]; 2813 2814 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2815 if (link_info) 2816 link_info->bf_data.last_cqm_event = 0; 2817 2818 if (mvmvif->bf_enabled) { 2819 /* FIXME: need to update per link when FW API will 2820 * support it 2821 */ 2822 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2823 if (ret) 2824 IWL_ERR(mvm, 2825 "failed to update CQM thresholds\n"); 2826 } 2827 } 2828 2829 if (changes & BSS_CHANGED_BANDWIDTH) 2830 iwl_mvm_update_link_smps(vif, link_conf); 2831 2832 if (changes & BSS_CHANGED_TPE) { 2833 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2834 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2835 link_conf, 2836 false); 2837 } 2838 } 2839 2840 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2841 struct ieee80211_vif *vif, 2842 struct ieee80211_bss_conf *bss_conf, 2843 u64 changes) 2844 { 2845 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2846 int ret; 2847 int i; 2848 2849 /* 2850 * Re-calculate the tsf id, as the leader-follower relations depend 2851 * on the beacon interval, which was not known when the station 2852 * interface was added. 2853 */ 2854 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2855 if ((vif->bss_conf.he_support && 2856 !iwlwifi_mod_params.disable_11ax)) 2857 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2858 2859 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2860 } 2861 2862 /* Update MU EDCA params */ 2863 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2864 vif->cfg.assoc && 2865 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2866 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2867 2868 /* 2869 * If we're not associated yet, take the (new) BSSID before associating 2870 * so the firmware knows. If we're already associated, then use the old 2871 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2872 * branch for disassociation below. 2873 */ 2874 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2875 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2876 2877 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2878 if (ret) 2879 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2880 2881 /* after sending it once, adopt mac80211 data */ 2882 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2883 mvmvif->associated = vif->cfg.assoc; 2884 2885 if (changes & BSS_CHANGED_ASSOC) { 2886 if (vif->cfg.assoc) { 2887 mvmvif->session_prot_connection_loss = false; 2888 2889 /* clear statistics to get clean beacon counter */ 2890 iwl_mvm_request_statistics(mvm, true); 2891 for_each_mvm_vif_valid_link(mvmvif, i) 2892 memset(&mvmvif->link[i]->beacon_stats, 0, 2893 sizeof(mvmvif->link[i]->beacon_stats)); 2894 2895 /* add quota for this interface */ 2896 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2897 if (ret) { 2898 IWL_ERR(mvm, "failed to update quotas\n"); 2899 return; 2900 } 2901 2902 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2903 &mvm->status) && 2904 !fw_has_capa(&mvm->fw->ucode_capa, 2905 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2906 /* 2907 * If we're restarting then the firmware will 2908 * obviously have lost synchronisation with 2909 * the AP. It will attempt to synchronise by 2910 * itself, but we can make it more reliable by 2911 * scheduling a session protection time event. 2912 * 2913 * The firmware needs to receive a beacon to 2914 * catch up with synchronisation, use 110% of 2915 * the beacon interval. 2916 * 2917 * Set a large maximum delay to allow for more 2918 * than a single interface. 2919 * 2920 * For new firmware versions, rely on the 2921 * firmware. This is relevant for DCM scenarios 2922 * only anyway. 2923 */ 2924 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2925 iwl_mvm_protect_session(mvm, vif, dur, dur, 2926 5 * dur, false); 2927 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2928 &mvm->status) && 2929 !vif->bss_conf.dtim_period) { 2930 /* 2931 * If we're not restarting and still haven't 2932 * heard a beacon (dtim period unknown) then 2933 * make sure we still have enough minimum time 2934 * remaining in the time event, since the auth 2935 * might actually have taken quite a while 2936 * (especially for SAE) and so the remaining 2937 * time could be small without us having heard 2938 * a beacon yet. 2939 */ 2940 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2941 } 2942 2943 iwl_mvm_sf_update(mvm, vif, false); 2944 iwl_mvm_power_vif_assoc(mvm, vif); 2945 if (vif->p2p) { 2946 iwl_mvm_update_smps(mvm, vif, 2947 IWL_MVM_SMPS_REQ_PROT, 2948 IEEE80211_SMPS_DYNAMIC, 0); 2949 } 2950 } else if (mvmvif->deflink.ap_sta_id != IWL_INVALID_STA) { 2951 iwl_mvm_mei_host_disassociated(mvm); 2952 /* 2953 * If update fails - SF might be running in associated 2954 * mode while disassociated - which is forbidden. 2955 */ 2956 ret = iwl_mvm_sf_update(mvm, vif, false); 2957 WARN_ONCE(ret && 2958 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2959 &mvm->status), 2960 "Failed to update SF upon disassociation\n"); 2961 2962 /* remove quota for this interface */ 2963 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2964 if (ret) 2965 IWL_ERR(mvm, "failed to update quotas\n"); 2966 2967 /* this will take the cleared BSSID from bss_conf */ 2968 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2969 if (ret) 2970 IWL_ERR(mvm, 2971 "failed to update MAC %pM (clear after unassoc)\n", 2972 vif->addr); 2973 } 2974 2975 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2976 } 2977 2978 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2979 changes); 2980 } 2981 2982 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2983 struct ieee80211_vif *vif, 2984 int *ret) 2985 { 2986 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2987 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2988 int i; 2989 2990 lockdep_assert_held(&mvm->mutex); 2991 2992 mvmvif->ap_assoc_sta_count = 0; 2993 2994 /* must be set before quota calculations */ 2995 mvmvif->ap_ibss_active = true; 2996 2997 /* send all the early keys to the device now */ 2998 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2999 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 3000 3001 if (!key) 3002 continue; 3003 3004 mvmvif->ap_early_keys[i] = NULL; 3005 3006 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3007 if (*ret) 3008 return true; 3009 } 3010 3011 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3012 iwl_mvm_vif_set_low_latency(mvmvif, true, 3013 LOW_LATENCY_VIF_TYPE); 3014 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3015 } 3016 3017 /* power updated needs to be done before quotas */ 3018 iwl_mvm_power_update_mac(mvm); 3019 3020 return false; 3021 } 3022 3023 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3024 struct ieee80211_vif *vif, 3025 struct ieee80211_bss_conf *link_conf) 3026 { 3027 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3028 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3029 int ret; 3030 3031 mutex_lock(&mvm->mutex); 3032 3033 /* 3034 * Re-calculate the tsf id, as the leader-follower relations depend on 3035 * the beacon interval, which was not known when the AP interface 3036 * was added. 3037 */ 3038 if (vif->type == NL80211_IFTYPE_AP) 3039 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3040 3041 /* For older devices need to send beacon template before adding mac 3042 * context. For the newer, the beacon is a resource that belongs to a 3043 * MAC, so need to send beacon template after adding the mac. 3044 */ 3045 if (mvm->trans->mac_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3046 /* Add the mac context */ 3047 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3048 if (ret) 3049 goto out_unlock; 3050 3051 /* Send the beacon template */ 3052 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3053 if (ret) 3054 goto out_unlock; 3055 } else { 3056 /* Send the beacon template */ 3057 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3058 if (ret) 3059 goto out_unlock; 3060 3061 /* Add the mac context */ 3062 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3063 if (ret) 3064 goto out_unlock; 3065 } 3066 3067 /* Perform the binding */ 3068 ret = iwl_mvm_binding_add_vif(mvm, vif); 3069 if (ret) 3070 goto out_remove; 3071 3072 /* 3073 * This is not very nice, but the simplest: 3074 * For older FWs adding the mcast sta before the bcast station may 3075 * cause assert 0x2b00. 3076 * This is fixed in later FW so make the order of removal depend on 3077 * the TLV 3078 */ 3079 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3080 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3081 if (ret) 3082 goto out_unbind; 3083 /* 3084 * Send the bcast station. At this stage the TBTT and DTIM time 3085 * events are added and applied to the scheduler 3086 */ 3087 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3088 if (ret) { 3089 iwl_mvm_rm_mcast_sta(mvm, vif); 3090 goto out_unbind; 3091 } 3092 } else { 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 goto out_unbind; 3100 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3101 if (ret) { 3102 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3103 goto out_unbind; 3104 } 3105 } 3106 3107 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3108 goto out_failed; 3109 3110 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3111 if (ret) 3112 goto out_failed; 3113 3114 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3115 if (vif->p2p && mvm->p2p_device_vif) 3116 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3117 3118 iwl_mvm_bt_coex_vif_change(mvm); 3119 3120 /* we don't support TDLS during DCM */ 3121 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3122 iwl_mvm_teardown_tdls_peers(mvm); 3123 3124 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3125 3126 goto out_unlock; 3127 3128 out_failed: 3129 iwl_mvm_power_update_mac(mvm); 3130 mvmvif->ap_ibss_active = false; 3131 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3132 iwl_mvm_rm_mcast_sta(mvm, vif); 3133 out_unbind: 3134 iwl_mvm_binding_remove_vif(mvm, vif); 3135 out_remove: 3136 iwl_mvm_mac_ctxt_remove(mvm, vif); 3137 out_unlock: 3138 mutex_unlock(&mvm->mutex); 3139 return ret; 3140 } 3141 3142 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3143 struct ieee80211_vif *vif, 3144 struct ieee80211_bss_conf *link_conf) 3145 { 3146 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3147 } 3148 3149 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3150 struct ieee80211_vif *vif) 3151 { 3152 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3153 } 3154 3155 /* Common part for MLD and non-MLD ops */ 3156 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3157 struct ieee80211_vif *vif) 3158 { 3159 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3160 3161 lockdep_assert_held(&mvm->mutex); 3162 3163 iwl_mvm_prepare_mac_removal(mvm, vif); 3164 3165 /* Handle AP stop while in CSA */ 3166 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3167 iwl_mvm_remove_time_event(mvm, mvmvif, 3168 &mvmvif->time_event_data); 3169 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3170 mvmvif->csa_countdown = false; 3171 } 3172 3173 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3174 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3175 mvm->csa_tx_block_bcn_timeout = 0; 3176 } 3177 3178 mvmvif->ap_ibss_active = false; 3179 mvm->ap_last_beacon_gp2 = 0; 3180 3181 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3182 iwl_mvm_vif_set_low_latency(mvmvif, false, 3183 LOW_LATENCY_VIF_TYPE); 3184 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3185 } 3186 3187 iwl_mvm_bt_coex_vif_change(mvm); 3188 } 3189 3190 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3191 struct ieee80211_vif *vif, 3192 struct ieee80211_bss_conf *link_conf) 3193 { 3194 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3195 3196 guard(mvm)(mvm); 3197 3198 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3199 3200 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3201 if (vif->p2p && mvm->p2p_device_vif) 3202 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3203 3204 iwl_mvm_update_quotas(mvm, false, NULL); 3205 3206 iwl_mvm_ftm_responder_clear(mvm, vif); 3207 3208 /* 3209 * This is not very nice, but the simplest: 3210 * For older FWs removing the mcast sta before the bcast station may 3211 * cause assert 0x2b00. 3212 * This is fixed in later FW (which will stop beaconing when removing 3213 * bcast station). 3214 * So make the order of removal depend on the TLV 3215 */ 3216 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3217 iwl_mvm_rm_mcast_sta(mvm, vif); 3218 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3219 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3220 iwl_mvm_rm_mcast_sta(mvm, vif); 3221 iwl_mvm_binding_remove_vif(mvm, vif); 3222 3223 iwl_mvm_power_update_mac(mvm); 3224 3225 iwl_mvm_mac_ctxt_remove(mvm, vif); 3226 } 3227 3228 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3229 struct ieee80211_vif *vif, 3230 struct ieee80211_bss_conf *link_conf) 3231 { 3232 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3233 } 3234 3235 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3236 struct ieee80211_vif *vif) 3237 { 3238 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3239 } 3240 3241 static void 3242 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3243 struct ieee80211_vif *vif, 3244 struct ieee80211_bss_conf *bss_conf, 3245 u64 changes) 3246 { 3247 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3248 3249 /* Changes will be applied when the AP/IBSS is started */ 3250 if (!mvmvif->ap_ibss_active) 3251 return; 3252 3253 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3254 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3255 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3256 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3257 3258 /* Need to send a new beacon template to the FW */ 3259 if (changes & BSS_CHANGED_BEACON && 3260 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3261 IWL_WARN(mvm, "Failed updating beacon data\n"); 3262 3263 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3264 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3265 3266 if (ret) 3267 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3268 ret); 3269 } 3270 3271 } 3272 3273 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3274 struct ieee80211_vif *vif, 3275 struct ieee80211_bss_conf *bss_conf, 3276 u64 changes) 3277 { 3278 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3279 3280 guard(mvm)(mvm); 3281 3282 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3283 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3284 3285 switch (vif->type) { 3286 case NL80211_IFTYPE_STATION: 3287 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3288 break; 3289 case NL80211_IFTYPE_AP: 3290 case NL80211_IFTYPE_ADHOC: 3291 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3292 break; 3293 case NL80211_IFTYPE_MONITOR: 3294 if (changes & BSS_CHANGED_MU_GROUPS) 3295 iwl_mvm_update_mu_groups(mvm, vif); 3296 break; 3297 default: 3298 /* shouldn't happen */ 3299 WARN_ON_ONCE(1); 3300 } 3301 3302 if (changes & BSS_CHANGED_TXPOWER) { 3303 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3304 bss_conf->txpower); 3305 iwl_mvm_set_tx_power(mvm, bss_conf, bss_conf->txpower); 3306 } 3307 } 3308 3309 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3310 struct ieee80211_scan_request *hw_req) 3311 { 3312 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3313 3314 if (hw_req->req.n_channels == 0 || 3315 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3316 return -EINVAL; 3317 3318 guard(mvm)(mvm); 3319 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3320 } 3321 3322 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3323 struct ieee80211_vif *vif) 3324 { 3325 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3326 3327 guard(mvm)(mvm); 3328 3329 /* Due to a race condition, it's possible that mac80211 asks 3330 * us to stop a hw_scan when it's already stopped. This can 3331 * happen, for instance, if we stopped the scan ourselves, 3332 * called ieee80211_scan_completed() and the userspace called 3333 * cancel scan scan before ieee80211_scan_work() could run. 3334 * To handle that, simply return if the scan is not running. 3335 */ 3336 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3337 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3338 } 3339 3340 void 3341 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3342 struct ieee80211_sta *sta, u16 tids, 3343 int num_frames, 3344 enum ieee80211_frame_release_type reason, 3345 bool more_data) 3346 { 3347 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3348 3349 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3350 3351 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3352 tids, more_data, false); 3353 } 3354 3355 void 3356 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3357 struct ieee80211_sta *sta, u16 tids, 3358 int num_frames, 3359 enum ieee80211_frame_release_type reason, 3360 bool more_data) 3361 { 3362 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3363 3364 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3365 3366 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3367 tids, more_data, true); 3368 } 3369 3370 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3371 enum sta_notify_cmd cmd, 3372 struct ieee80211_sta *sta) 3373 { 3374 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3375 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3376 unsigned long txqs = 0, tids = 0; 3377 int tid; 3378 3379 /* 3380 * If we have TVQM then we get too high queue numbers - luckily 3381 * we really shouldn't get here with that because such hardware 3382 * should have firmware supporting buffer station offload. 3383 */ 3384 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3385 return; 3386 3387 spin_lock_bh(&mvmsta->lock); 3388 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3389 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3390 3391 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3392 continue; 3393 3394 __set_bit(tid_data->txq_id, &txqs); 3395 3396 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3397 continue; 3398 3399 __set_bit(tid, &tids); 3400 } 3401 3402 switch (cmd) { 3403 case STA_NOTIFY_SLEEP: 3404 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3405 ieee80211_sta_set_buffered(sta, tid, true); 3406 3407 if (txqs) 3408 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3409 /* 3410 * The fw updates the STA to be asleep. Tx packets on the Tx 3411 * queues to this station will not be transmitted. The fw will 3412 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3413 */ 3414 break; 3415 case STA_NOTIFY_AWAKE: 3416 if (WARN_ON(mvmsta->deflink.sta_id == IWL_INVALID_STA)) 3417 break; 3418 3419 if (txqs) 3420 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3421 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3422 break; 3423 default: 3424 break; 3425 } 3426 spin_unlock_bh(&mvmsta->lock); 3427 } 3428 3429 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3430 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3431 { 3432 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3433 } 3434 3435 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3436 { 3437 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3438 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3439 struct ieee80211_sta *sta; 3440 struct iwl_mvm_sta *mvmsta; 3441 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3442 3443 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3444 return; 3445 3446 rcu_read_lock(); 3447 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3448 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3449 rcu_read_unlock(); 3450 return; 3451 } 3452 3453 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3454 3455 if (!mvmsta->vif || 3456 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3457 rcu_read_unlock(); 3458 return; 3459 } 3460 3461 if (mvmsta->sleeping != sleeping) { 3462 mvmsta->sleeping = sleeping; 3463 __iwl_mvm_mac_sta_notify(mvm->hw, 3464 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3465 sta); 3466 ieee80211_sta_ps_transition(sta, sleeping); 3467 } 3468 3469 if (sleeping) { 3470 switch (notif->type) { 3471 case IWL_MVM_PM_EVENT_AWAKE: 3472 case IWL_MVM_PM_EVENT_ASLEEP: 3473 break; 3474 case IWL_MVM_PM_EVENT_UAPSD: 3475 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3476 break; 3477 case IWL_MVM_PM_EVENT_PS_POLL: 3478 ieee80211_sta_pspoll(sta); 3479 break; 3480 default: 3481 break; 3482 } 3483 } 3484 3485 rcu_read_unlock(); 3486 } 3487 3488 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3489 struct ieee80211_vif *vif, 3490 struct ieee80211_sta *sta) 3491 { 3492 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3493 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3494 unsigned int link_id; 3495 3496 lockdep_assert_wiphy(mvm->hw->wiphy); 3497 3498 /* 3499 * This is called before mac80211 does RCU synchronisation, 3500 * so here we already invalidate our internal RCU-protected 3501 * station pointer. The rest of the code will thus no longer 3502 * be able to find the station this way, and we don't rely 3503 * on further RCU synchronisation after the sta_state() 3504 * callback deleted the station. 3505 * Since there's mvm->mutex here, no need to have RCU lock for 3506 * mvm_sta->link access. 3507 */ 3508 guard(mvm)(mvm); 3509 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3510 struct iwl_mvm_link_sta *link_sta; 3511 u32 sta_id; 3512 3513 if (!mvm_sta->link[link_id]) 3514 continue; 3515 3516 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3517 lockdep_is_held(&mvm->mutex)); 3518 sta_id = link_sta->sta_id; 3519 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3520 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3521 ERR_PTR(-ENOENT)); 3522 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3523 } 3524 } 3525 } 3526 3527 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3528 const u8 *bssid) 3529 { 3530 int i; 3531 3532 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3533 struct iwl_mvm_tcm_mac *mdata; 3534 3535 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3536 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3537 mdata->opened_rx_ba_sessions = false; 3538 } 3539 3540 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3541 return; 3542 3543 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3544 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3545 return; 3546 } 3547 3548 if (!vif->p2p && 3549 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3550 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3551 return; 3552 } 3553 3554 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3555 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3556 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3557 return; 3558 } 3559 } 3560 3561 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3562 } 3563 3564 static void 3565 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3566 struct ieee80211_vif *vif, u8 *peer_addr, 3567 enum nl80211_tdls_operation action) 3568 { 3569 struct iwl_fw_dbg_trigger_tlv *trig; 3570 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3571 3572 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3573 FW_DBG_TRIGGER_TDLS); 3574 if (!trig) 3575 return; 3576 3577 tdls_trig = (void *)trig->data; 3578 3579 if (!(tdls_trig->action_bitmap & BIT(action))) 3580 return; 3581 3582 if (tdls_trig->peer_mode && 3583 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3584 return; 3585 3586 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3587 "TDLS event occurred, peer %pM, action %d", 3588 peer_addr, action); 3589 } 3590 3591 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3592 bool tolerated; 3593 }; 3594 3595 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3596 struct cfg80211_bss *bss, 3597 void *_data) 3598 { 3599 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3600 const struct cfg80211_bss_ies *ies; 3601 const struct element *elem; 3602 3603 rcu_read_lock(); 3604 ies = rcu_dereference(bss->ies); 3605 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3606 ies->len); 3607 3608 if (!elem || elem->datalen < 10 || 3609 !(elem->data[10] & 3610 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3611 data->tolerated = false; 3612 } 3613 rcu_read_unlock(); 3614 } 3615 3616 static void 3617 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3618 struct ieee80211_vif *vif, 3619 unsigned int link_id, 3620 struct ieee80211_bss_conf *link_conf) 3621 { 3622 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3623 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3624 .tolerated = true, 3625 }; 3626 3627 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3628 !mvmvif->link[link_id])) 3629 return; 3630 3631 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3632 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3633 return; 3634 } 3635 3636 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3637 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3638 &iter_data); 3639 3640 /* 3641 * If there is at least one AP on radar channel that cannot 3642 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3643 */ 3644 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3645 } 3646 3647 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3648 struct ieee80211_vif *vif) 3649 { 3650 struct ieee80211_supported_band *sband; 3651 const struct ieee80211_sta_he_cap *he_cap; 3652 3653 if (vif->type != NL80211_IFTYPE_STATION) 3654 return; 3655 3656 if (!mvm->cca_40mhz_workaround) 3657 return; 3658 3659 /* decrement and check that we reached zero */ 3660 mvm->cca_40mhz_workaround--; 3661 if (mvm->cca_40mhz_workaround) 3662 return; 3663 3664 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3665 3666 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3667 3668 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3669 3670 if (he_cap) { 3671 /* we know that ours is writable */ 3672 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3673 3674 he->he_cap_elem.phy_cap_info[0] |= 3675 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3676 } 3677 } 3678 3679 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3680 struct ieee80211_vif *vif, 3681 struct iwl_mvm_sta *mvm_sta) 3682 { 3683 #if IS_ENABLED(CONFIG_IWLMEI) 3684 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3685 struct iwl_mei_conn_info conn_info = { 3686 .ssid_len = vif->cfg.ssid_len, 3687 }; 3688 3689 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3690 return; 3691 3692 if (!mvm->mei_registered) 3693 return; 3694 3695 /* FIXME: MEI needs to be updated for MLO */ 3696 if (!vif->bss_conf.chanreq.oper.chan) 3697 return; 3698 3699 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3700 3701 switch (mvm_sta->pairwise_cipher) { 3702 case WLAN_CIPHER_SUITE_TKIP: 3703 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3704 break; 3705 case WLAN_CIPHER_SUITE_CCMP: 3706 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3707 break; 3708 case WLAN_CIPHER_SUITE_GCMP: 3709 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3710 break; 3711 case WLAN_CIPHER_SUITE_GCMP_256: 3712 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3713 break; 3714 case 0: 3715 /* open profile */ 3716 break; 3717 default: 3718 /* cipher not supported, don't send anything to iwlmei */ 3719 return; 3720 } 3721 3722 switch (mvmvif->rekey_data.akm) { 3723 case WLAN_AKM_SUITE_SAE & 0xff: 3724 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3725 break; 3726 case WLAN_AKM_SUITE_PSK & 0xff: 3727 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3728 break; 3729 case WLAN_AKM_SUITE_8021X & 0xff: 3730 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3731 break; 3732 case 0: 3733 /* open profile */ 3734 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3735 break; 3736 default: 3737 /* auth method / AKM not supported */ 3738 /* TODO: All the FT vesions of these? */ 3739 return; 3740 } 3741 3742 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3743 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3744 3745 /* TODO: add support for collocated AP data */ 3746 iwl_mei_host_associated(&conn_info, NULL); 3747 #endif 3748 } 3749 3750 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3751 struct ieee80211_vif *vif, 3752 bool force_assoc_off) 3753 { 3754 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3755 } 3756 3757 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3758 struct ieee80211_vif *vif, 3759 struct ieee80211_sta *sta, 3760 enum ieee80211_sta_state old_state, 3761 enum ieee80211_sta_state new_state) 3762 { 3763 static const struct iwl_mvm_sta_state_ops callbacks = { 3764 .add_sta = iwl_mvm_add_sta, 3765 .update_sta = iwl_mvm_update_sta, 3766 .rm_sta = iwl_mvm_rm_sta, 3767 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3768 }; 3769 3770 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3771 &callbacks); 3772 } 3773 3774 /* FIXME: temporary making two assumptions in all sta handling functions: 3775 * (1) when setting sta state, the link exists and protected 3776 * (2) if a link is valid in sta then it's valid in vif (can 3777 * use same index in the link array) 3778 */ 3779 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3780 struct ieee80211_vif *vif, 3781 struct ieee80211_sta *sta) 3782 { 3783 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3784 unsigned int link_id; 3785 3786 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3787 struct ieee80211_bss_conf *conf = 3788 link_conf_dereference_check(vif, link_id); 3789 struct ieee80211_link_sta *link_sta = 3790 link_sta_dereference_check(sta, link_id); 3791 3792 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3793 continue; 3794 3795 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3796 mvmvif->link[link_id]->phy_ctxt->channel->band); 3797 } 3798 } 3799 3800 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3801 struct ieee80211_vif *vif, 3802 struct ieee80211_sta *sta) 3803 { 3804 struct ieee80211_link_sta *link_sta; 3805 unsigned int link_id; 3806 3807 /* Beacon interval check - firmware will crash if the beacon 3808 * interval is less than 16. We can't avoid connecting at all, 3809 * so refuse the station state change, this will cause mac80211 3810 * to abandon attempts to connect to this AP, and eventually 3811 * wpa_s will blocklist the AP... 3812 */ 3813 3814 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3815 struct ieee80211_bss_conf *link_conf = 3816 link_conf_dereference_protected(vif, link_id); 3817 3818 if (!link_conf) 3819 continue; 3820 3821 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3822 IWL_ERR(mvm, 3823 "Beacon interval %d for AP %pM is too small\n", 3824 link_conf->beacon_int, link_sta->addr); 3825 return false; 3826 } 3827 3828 link_conf->he_support = link_sta->he_cap.has_he; 3829 } 3830 3831 return true; 3832 } 3833 3834 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3835 struct ieee80211_vif *vif, 3836 struct ieee80211_sta *sta, 3837 bool is_sta) 3838 { 3839 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3840 struct ieee80211_link_sta *link_sta; 3841 unsigned int link_id; 3842 3843 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3844 struct ieee80211_bss_conf *link_conf = 3845 link_conf_dereference_protected(vif, link_id); 3846 3847 if (!link_conf || !mvmvif->link[link_id]) 3848 continue; 3849 3850 link_conf->he_support = link_sta->he_cap.has_he; 3851 3852 if (is_sta) { 3853 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3854 if (link_sta->he_cap.has_he) 3855 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3856 link_id, 3857 link_conf); 3858 } 3859 } 3860 } 3861 3862 static int 3863 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3864 struct ieee80211_vif *vif, 3865 struct ieee80211_sta *sta, 3866 const struct iwl_mvm_sta_state_ops *callbacks) 3867 { 3868 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3869 struct ieee80211_link_sta *link_sta; 3870 unsigned int i; 3871 int ret; 3872 3873 lockdep_assert_held(&mvm->mutex); 3874 3875 if (vif->type == NL80211_IFTYPE_STATION && 3876 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3877 return -EINVAL; 3878 3879 if (sta->tdls && 3880 (vif->p2p || 3881 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_TDLS_STA_COUNT || 3882 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3883 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3884 return -EBUSY; 3885 } 3886 3887 ret = callbacks->add_sta(mvm, vif, sta); 3888 if (sta->tdls && ret == 0) { 3889 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3890 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3891 NL80211_TDLS_SETUP); 3892 } 3893 3894 if (ret) 3895 return ret; 3896 3897 for_each_sta_active_link(vif, sta, link_sta, i) 3898 link_sta->agg.max_rc_amsdu_len = 1; 3899 3900 ieee80211_sta_recalc_aggregates(sta); 3901 3902 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3903 mvmvif->ap_sta = sta; 3904 3905 /* 3906 * Initialize the rates here already - this really tells 3907 * the firmware only what the supported legacy rates are 3908 * (may be) since it's initialized already from what the 3909 * AP advertised in the beacon/probe response. This will 3910 * allow the firmware to send auth/assoc frames with one 3911 * of the supported rates already, rather than having to 3912 * use a mandatory rate. 3913 * If we're the AP, we'll just assume mandatory rates at 3914 * this point, but we know nothing about the STA anyway. 3915 */ 3916 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3917 3918 return 0; 3919 } 3920 3921 static int 3922 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3923 struct iwl_mvm *mvm, 3924 struct ieee80211_vif *vif, 3925 struct ieee80211_sta *sta, 3926 const struct iwl_mvm_sta_state_ops *callbacks) 3927 { 3928 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3929 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3930 struct ieee80211_link_sta *link_sta; 3931 unsigned int link_id; 3932 3933 lockdep_assert_held(&mvm->mutex); 3934 3935 if (vif->type == NL80211_IFTYPE_AP) { 3936 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3937 mvmvif->ap_assoc_sta_count++; 3938 callbacks->mac_ctxt_changed(mvm, vif, false); 3939 3940 /* since the below is not for MLD API, it's ok to use 3941 * the default bss_conf 3942 */ 3943 if (!mvm->mld_api_is_used && 3944 (vif->bss_conf.he_support && 3945 !iwlwifi_mod_params.disable_11ax)) 3946 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3947 } else if (vif->type == NL80211_IFTYPE_STATION) { 3948 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3949 3950 callbacks->mac_ctxt_changed(mvm, vif, false); 3951 3952 if (!mvm->mld_api_is_used) 3953 goto out; 3954 3955 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3956 struct ieee80211_bss_conf *link_conf = 3957 link_conf_dereference_protected(vif, link_id); 3958 3959 if (WARN_ON(!link_conf)) 3960 return -EINVAL; 3961 if (!mvmvif->link[link_id]) 3962 continue; 3963 3964 iwl_mvm_link_changed(mvm, vif, link_conf, 3965 LINK_CONTEXT_MODIFY_ALL & 3966 ~LINK_CONTEXT_MODIFY_ACTIVE, 3967 true); 3968 } 3969 } 3970 3971 out: 3972 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3973 3974 return callbacks->update_sta(mvm, vif, sta); 3975 } 3976 3977 static int 3978 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3979 struct ieee80211_vif *vif, 3980 struct ieee80211_sta *sta, 3981 const struct iwl_mvm_sta_state_ops *callbacks) 3982 { 3983 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3984 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3985 3986 lockdep_assert_held(&mvm->mutex); 3987 3988 /* we don't support TDLS during DCM */ 3989 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3990 iwl_mvm_teardown_tdls_peers(mvm); 3991 3992 if (sta->tdls) { 3993 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3994 NL80211_TDLS_ENABLE_LINK); 3995 } else { 3996 /* enable beacon filtering */ 3997 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 3998 3999 mvmvif->authorized = 1; 4000 4001 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 4002 mvmvif->link_selection_res = vif->active_links; 4003 mvmvif->link_selection_primary = 4004 vif->active_links ? __ffs(vif->active_links) : 0; 4005 } 4006 4007 callbacks->mac_ctxt_changed(mvm, vif, false); 4008 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4009 4010 memset(&mvmvif->last_esr_exit, 0, 4011 sizeof(mvmvif->last_esr_exit)); 4012 4013 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4014 4015 /* Block until FW notif will arrive */ 4016 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4017 4018 /* when client is authorized (AP station marked as such), 4019 * try to enable the best link(s). 4020 */ 4021 if (vif->type == NL80211_IFTYPE_STATION && 4022 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4023 iwl_mvm_select_links(mvm, vif); 4024 } 4025 4026 mvm_sta->authorized = true; 4027 4028 /* MFP is set by default before the station is authorized. 4029 * Clear it here in case it's not used. 4030 */ 4031 if (!sta->mfp) { 4032 int ret = callbacks->update_sta(mvm, vif, sta); 4033 4034 if (ret) 4035 return ret; 4036 } 4037 4038 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4039 4040 return 0; 4041 } 4042 4043 static int 4044 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4045 struct ieee80211_vif *vif, 4046 struct ieee80211_sta *sta, 4047 const struct iwl_mvm_sta_state_ops *callbacks) 4048 { 4049 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4050 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4051 4052 lockdep_assert_held(&mvm->mutex); 4053 4054 mvmsta->authorized = false; 4055 4056 /* once we move into assoc state, need to update rate scale to 4057 * disable using wide bandwidth 4058 */ 4059 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4060 4061 if (!sta->tdls) { 4062 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4063 * yet to avoid sending high prio again for a little 4064 * time. 4065 */ 4066 mvmvif->authorized = 0; 4067 mvmvif->link_selection_res = 0; 4068 4069 /* disable beacon filtering */ 4070 iwl_mvm_disable_beacon_filter(mvm, vif); 4071 4072 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4073 &mvmvif->prevent_esr_done_wk); 4074 4075 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4076 &mvmvif->mlo_int_scan_wk); 4077 4078 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4079 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4080 &mvmvif->unblock_esr_tmp_non_bss_wk); 4081 } 4082 4083 return 0; 4084 } 4085 4086 void iwl_mvm_smps_workaround(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 4087 bool update) 4088 { 4089 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4090 4091 if (!iwl_mvm_has_rlc_offload(mvm) || 4092 iwl_fw_lookup_cmd_ver(mvm->fw, MAC_PM_POWER_TABLE, 0) >= 2) 4093 return; 4094 4095 mvmvif->ps_disabled = !vif->cfg.ps; 4096 4097 if (update) 4098 iwl_mvm_power_update_mac(mvm); 4099 } 4100 4101 /* Common part for MLD and non-MLD modes */ 4102 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4103 struct ieee80211_vif *vif, 4104 struct ieee80211_sta *sta, 4105 enum ieee80211_sta_state old_state, 4106 enum ieee80211_sta_state new_state, 4107 const struct iwl_mvm_sta_state_ops *callbacks) 4108 { 4109 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4110 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4111 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4112 struct ieee80211_link_sta *link_sta; 4113 unsigned int link_id; 4114 int ret; 4115 4116 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4117 sta->addr, old_state, new_state); 4118 4119 /* 4120 * If we are in a STA removal flow and in DQA mode: 4121 * 4122 * This is after the sync_rcu part, so the queues have already been 4123 * flushed. No more TXs on their way in mac80211's path, and no more in 4124 * the queues. 4125 * Also, we won't be getting any new TX frames for this station. 4126 * What we might have are deferred TX frames that need to be taken care 4127 * of. 4128 * 4129 * Drop any still-queued deferred-frame before removing the STA, and 4130 * make sure the worker is no longer handling frames for this STA. 4131 */ 4132 if (old_state == IEEE80211_STA_NONE && 4133 new_state == IEEE80211_STA_NOTEXIST) { 4134 flush_work(&mvm->add_stream_wk); 4135 4136 /* 4137 * No need to make sure deferred TX indication is off since the 4138 * worker will already remove it if it was on 4139 */ 4140 4141 /* 4142 * Additionally, reset the 40 MHz capability if we disconnected 4143 * from the AP now. 4144 */ 4145 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4146 4147 /* Also free dup data just in case any assertions below fail */ 4148 kfree(mvm_sta->dup_data); 4149 } 4150 4151 mutex_lock(&mvm->mutex); 4152 4153 /* this would be a mac80211 bug ... but don't crash, unless we had a 4154 * firmware crash while we were activating a link, in which case it is 4155 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4156 * recovery flow since we spit tons of error messages anyway. 4157 */ 4158 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4159 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4160 !mvmvif->link[link_id]->phy_ctxt)) { 4161 mutex_unlock(&mvm->mutex); 4162 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4163 &mvm->status) ? 0 : -EINVAL; 4164 } 4165 } 4166 4167 /* track whether or not the station is associated */ 4168 mvm_sta->sta_state = new_state; 4169 4170 if (old_state == IEEE80211_STA_NOTEXIST && 4171 new_state == IEEE80211_STA_NONE) { 4172 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4173 callbacks); 4174 if (ret < 0) 4175 goto out_unlock; 4176 } else if (old_state == IEEE80211_STA_NONE && 4177 new_state == IEEE80211_STA_AUTH) { 4178 /* 4179 * EBS may be disabled due to previous failures reported by FW. 4180 * Reset EBS status here assuming environment has been changed. 4181 */ 4182 mvm->last_ebs_successful = true; 4183 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4184 ret = 0; 4185 } else if (old_state == IEEE80211_STA_AUTH && 4186 new_state == IEEE80211_STA_ASSOC) { 4187 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4188 callbacks); 4189 } else if (old_state == IEEE80211_STA_ASSOC && 4190 new_state == IEEE80211_STA_AUTHORIZED) { 4191 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4192 callbacks); 4193 iwl_mvm_smps_workaround(mvm, vif, true); 4194 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4195 new_state == IEEE80211_STA_ASSOC) { 4196 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4197 callbacks); 4198 } else if (old_state == IEEE80211_STA_ASSOC && 4199 new_state == IEEE80211_STA_AUTH) { 4200 if (vif->type == NL80211_IFTYPE_AP) { 4201 mvmvif->ap_assoc_sta_count--; 4202 callbacks->mac_ctxt_changed(mvm, vif, false); 4203 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4204 iwl_mvm_stop_session_protection(mvm, vif); 4205 ret = 0; 4206 } else if (old_state == IEEE80211_STA_AUTH && 4207 new_state == IEEE80211_STA_NONE) { 4208 ret = 0; 4209 } else if (old_state == IEEE80211_STA_NONE && 4210 new_state == IEEE80211_STA_NOTEXIST) { 4211 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4212 iwl_mvm_stop_session_protection(mvm, vif); 4213 mvmvif->ap_sta = NULL; 4214 } 4215 ret = callbacks->rm_sta(mvm, vif, sta); 4216 if (sta->tdls) { 4217 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4218 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4219 NL80211_TDLS_DISABLE_LINK); 4220 } 4221 4222 if (unlikely(ret && 4223 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4224 &mvm->status))) 4225 ret = 0; 4226 } else { 4227 ret = -EIO; 4228 } 4229 out_unlock: 4230 mutex_unlock(&mvm->mutex); 4231 4232 if (sta->tdls && ret == 0) { 4233 if (old_state == IEEE80211_STA_NOTEXIST && 4234 new_state == IEEE80211_STA_NONE) 4235 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4236 else if (old_state == IEEE80211_STA_NONE && 4237 new_state == IEEE80211_STA_NOTEXIST) 4238 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4239 } 4240 4241 return ret; 4242 } 4243 4244 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, 4245 u32 value) 4246 { 4247 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4248 4249 mvm->rts_threshold = value; 4250 4251 return 0; 4252 } 4253 4254 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4255 struct ieee80211_link_sta *link_sta, u32 changed) 4256 { 4257 struct ieee80211_sta *sta = link_sta->sta; 4258 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4259 4260 if (changed & (IEEE80211_RC_BW_CHANGED | 4261 IEEE80211_RC_SUPP_RATES_CHANGED | 4262 IEEE80211_RC_NSS_CHANGED)) 4263 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4264 4265 if (vif->type == NL80211_IFTYPE_STATION && 4266 changed & IEEE80211_RC_NSS_CHANGED) 4267 iwl_mvm_sf_update(mvm, vif, false); 4268 } 4269 4270 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4271 struct ieee80211_vif *vif, 4272 unsigned int link_id, u16 ac, 4273 const struct ieee80211_tx_queue_params *params) 4274 { 4275 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4276 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4277 4278 mvmvif->deflink.queue_params[ac] = *params; 4279 4280 /* 4281 * No need to update right away, we'll get BSS_CHANGED_QOS 4282 * The exception is P2P_DEVICE interface which needs immediate update. 4283 */ 4284 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4285 guard(mvm)(mvm); 4286 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4287 } 4288 return 0; 4289 } 4290 4291 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4292 struct ieee80211_vif *vif, 4293 struct ieee80211_prep_tx_info *info) 4294 { 4295 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4296 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4297 4298 if (info->was_assoc && !mvmvif->session_prot_connection_loss) 4299 return; 4300 4301 guard(mvm)(mvm); 4302 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4303 } 4304 4305 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4306 struct ieee80211_vif *vif, 4307 struct ieee80211_prep_tx_info *info) 4308 { 4309 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4310 4311 /* for successful cases (auth/assoc), don't cancel session protection */ 4312 if (info->success) 4313 return; 4314 4315 guard(mvm)(mvm); 4316 iwl_mvm_stop_session_protection(mvm, vif); 4317 } 4318 4319 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4320 struct ieee80211_vif *vif, 4321 struct cfg80211_sched_scan_request *req, 4322 struct ieee80211_scan_ies *ies) 4323 { 4324 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4325 4326 guard(mvm)(mvm); 4327 4328 if (!vif->cfg.idle) 4329 return -EBUSY; 4330 4331 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4332 } 4333 4334 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4335 struct ieee80211_vif *vif) 4336 { 4337 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4338 int ret; 4339 4340 mutex_lock(&mvm->mutex); 4341 4342 /* Due to a race condition, it's possible that mac80211 asks 4343 * us to stop a sched_scan when it's already stopped. This 4344 * can happen, for instance, if we stopped the scan ourselves, 4345 * called ieee80211_sched_scan_stopped() and the userspace called 4346 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4347 * could run. To handle this, simply return if the scan is 4348 * not running. 4349 */ 4350 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4351 mutex_unlock(&mvm->mutex); 4352 return 0; 4353 } 4354 4355 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4356 mutex_unlock(&mvm->mutex); 4357 iwl_mvm_wait_for_async_handlers(mvm); 4358 4359 return ret; 4360 } 4361 4362 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4363 enum set_key_cmd cmd, 4364 struct ieee80211_vif *vif, 4365 struct ieee80211_sta *sta, 4366 struct ieee80211_key_conf *key) 4367 { 4368 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4369 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4370 struct iwl_mvm_sta *mvmsta = NULL; 4371 struct iwl_mvm_key_pn *ptk_pn = NULL; 4372 int keyidx = key->keyidx; 4373 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4374 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4375 int ret, i; 4376 u8 key_offset; 4377 4378 if (sta) 4379 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4380 4381 switch (key->cipher) { 4382 case WLAN_CIPHER_SUITE_TKIP: 4383 if (!mvm->trans->mac_cfg->gen2) { 4384 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4385 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4386 } else if (vif->type == NL80211_IFTYPE_STATION) { 4387 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4388 } else { 4389 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4390 return -EOPNOTSUPP; 4391 } 4392 break; 4393 case WLAN_CIPHER_SUITE_CCMP: 4394 case WLAN_CIPHER_SUITE_GCMP: 4395 case WLAN_CIPHER_SUITE_GCMP_256: 4396 if (!iwl_mvm_has_new_tx_api(mvm)) 4397 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4398 break; 4399 case WLAN_CIPHER_SUITE_AES_CMAC: 4400 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4401 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4402 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4403 break; 4404 case WLAN_CIPHER_SUITE_WEP40: 4405 case WLAN_CIPHER_SUITE_WEP104: 4406 if (vif->type == NL80211_IFTYPE_STATION) 4407 break; 4408 if (iwl_mvm_has_new_tx_api(mvm)) 4409 return -EOPNOTSUPP; 4410 /* support HW crypto on TX */ 4411 return 0; 4412 default: 4413 return -EOPNOTSUPP; 4414 } 4415 4416 switch (cmd) { 4417 case SET_KEY: 4418 if (vif->type == NL80211_IFTYPE_STATION && 4419 (keyidx == 6 || keyidx == 7)) 4420 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4421 key); 4422 4423 if ((vif->type == NL80211_IFTYPE_ADHOC || 4424 vif->type == NL80211_IFTYPE_AP) && !sta) { 4425 /* 4426 * GTK on AP interface is a TX-only key, return 0; 4427 * on IBSS they're per-station and because we're lazy 4428 * we don't support them for RX, so do the same. 4429 * CMAC/GMAC in AP/IBSS modes must be done in software 4430 * on older NICs. 4431 * 4432 * Except, of course, beacon protection - it must be 4433 * offloaded since we just set a beacon template, and 4434 * then we must also offload the IGTK (not just BIGTK) 4435 * for firmware reasons. 4436 * 4437 * So just check for beacon protection - if we don't 4438 * have it we cannot get here with keyidx >= 6, and 4439 * if we do have it we need to send the key to FW in 4440 * all cases (CMAC/GMAC). 4441 */ 4442 if (!wiphy_ext_feature_isset(hw->wiphy, 4443 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4444 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4445 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4446 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4447 ret = -EOPNOTSUPP; 4448 break; 4449 } 4450 4451 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4452 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4453 !iwl_mvm_has_new_tx_api(mvm)) { 4454 key->hw_key_idx = STA_KEY_IDX_INVALID; 4455 ret = 0; 4456 break; 4457 } 4458 4459 if (!mvmvif->ap_ibss_active) { 4460 for (i = 0; 4461 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4462 i++) { 4463 if (!mvmvif->ap_early_keys[i]) { 4464 mvmvif->ap_early_keys[i] = key; 4465 break; 4466 } 4467 } 4468 4469 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4470 ret = -ENOSPC; 4471 else 4472 ret = 0; 4473 4474 break; 4475 } 4476 } 4477 4478 /* During FW restart, in order to restore the state as it was, 4479 * don't try to reprogram keys we previously failed for. 4480 */ 4481 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4482 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4483 IWL_DEBUG_MAC80211(mvm, 4484 "skip invalid idx key programming during restart\n"); 4485 ret = 0; 4486 break; 4487 } 4488 4489 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4490 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4491 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4492 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4493 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4494 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4495 struct ieee80211_key_seq seq; 4496 int tid, q; 4497 4498 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4499 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4500 mvm->trans->info.num_rxqs), 4501 GFP_KERNEL); 4502 if (!ptk_pn) { 4503 ret = -ENOMEM; 4504 break; 4505 } 4506 4507 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4508 ieee80211_get_key_rx_seq(key, tid, &seq); 4509 for (q = 0; q < mvm->trans->info.num_rxqs; q++) 4510 memcpy(ptk_pn->q[q].pn[tid], 4511 seq.ccmp.pn, 4512 IEEE80211_CCMP_PN_LEN); 4513 } 4514 4515 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4516 } 4517 4518 /* in HW restart reuse the index, otherwise request a new one */ 4519 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4520 key_offset = key->hw_key_idx; 4521 else 4522 key_offset = STA_KEY_IDX_INVALID; 4523 4524 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4525 mvmsta->pairwise_cipher = key->cipher; 4526 4527 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4528 sta ? sta->addr : NULL, key->keyidx); 4529 4530 if (sec_key_ver) 4531 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4532 else 4533 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4534 4535 if (ret) { 4536 IWL_WARN(mvm, "set key failed\n"); 4537 key->hw_key_idx = STA_KEY_IDX_INVALID; 4538 if (ptk_pn) { 4539 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4540 kfree(ptk_pn); 4541 } 4542 /* 4543 * can't add key for RX, but we don't need it 4544 * in the device for TX so still return 0, 4545 * unless we have new TX API where we cannot 4546 * put key material into the TX_CMD 4547 */ 4548 if (iwl_mvm_has_new_tx_api(mvm)) 4549 ret = -EOPNOTSUPP; 4550 else 4551 ret = 0; 4552 } 4553 4554 break; 4555 case DISABLE_KEY: 4556 if (vif->type == NL80211_IFTYPE_STATION && 4557 (keyidx == 6 || keyidx == 7)) 4558 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4559 NULL); 4560 4561 ret = -ENOENT; 4562 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4563 if (mvmvif->ap_early_keys[i] == key) { 4564 mvmvif->ap_early_keys[i] = NULL; 4565 ret = 0; 4566 } 4567 } 4568 4569 /* found in pending list - don't do anything else */ 4570 if (ret == 0) 4571 break; 4572 4573 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4574 ret = 0; 4575 break; 4576 } 4577 4578 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4579 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4580 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4581 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4582 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4583 ptk_pn = rcu_dereference_protected( 4584 mvmsta->ptk_pn[keyidx], 4585 lockdep_is_held(&mvm->mutex)); 4586 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4587 if (ptk_pn) 4588 kfree_rcu(ptk_pn, rcu_head); 4589 } 4590 4591 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4592 if (sec_key_ver) 4593 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4594 else 4595 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4596 break; 4597 default: 4598 ret = -EINVAL; 4599 } 4600 4601 return ret; 4602 } 4603 4604 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4605 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4606 struct ieee80211_key_conf *key) 4607 { 4608 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4609 4610 /* When resuming from wowlan, FW already knows about the newest keys */ 4611 if (test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status)) 4612 return 0; 4613 4614 guard(mvm)(mvm); 4615 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4616 } 4617 4618 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4619 struct ieee80211_vif *vif, 4620 struct ieee80211_key_conf *keyconf, 4621 struct ieee80211_sta *sta, 4622 u32 iv32, u16 *phase1key) 4623 { 4624 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4625 4626 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4627 return; 4628 4629 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4630 } 4631 4632 4633 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4634 struct iwl_rx_packet *pkt, void *data) 4635 { 4636 struct iwl_mvm *mvm = 4637 container_of(notif_wait, struct iwl_mvm, notif_wait); 4638 struct iwl_hs20_roc_res *resp; 4639 int resp_len = iwl_rx_packet_payload_len(pkt); 4640 struct iwl_mvm_time_event_data *te_data = data; 4641 4642 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4643 return true; 4644 4645 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4646 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4647 return true; 4648 } 4649 4650 resp = (void *)pkt->data; 4651 4652 IWL_DEBUG_TE(mvm, 4653 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4654 resp->status, resp->event_unique_id); 4655 4656 te_data->uid = le32_to_cpu(resp->event_unique_id); 4657 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4658 te_data->uid); 4659 4660 spin_lock_bh(&mvm->time_event_lock); 4661 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4662 spin_unlock_bh(&mvm->time_event_lock); 4663 4664 return true; 4665 } 4666 4667 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4668 struct ieee80211_channel *channel, 4669 struct ieee80211_vif *vif, 4670 int duration) 4671 { 4672 int res; 4673 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4674 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4675 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4676 struct iwl_notification_wait wait_time_event; 4677 u32 req_dur, delay; 4678 struct iwl_hs20_roc_req aux_roc_req = { 4679 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4680 .id_and_color = 4681 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4682 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4683 }; 4684 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4685 &aux_roc_req.channel_info); 4686 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4687 4688 /* Set the channel info data */ 4689 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4690 iwl_mvm_phy_band_from_nl80211(channel->band), 4691 IWL_PHY_CHANNEL_MODE20, 4692 0); 4693 4694 /* Set the time and duration */ 4695 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4696 4697 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4698 tail->duration = cpu_to_le32(req_dur); 4699 tail->apply_time_max_delay = cpu_to_le32(delay); 4700 4701 IWL_DEBUG_TE(mvm, 4702 "ROC: Requesting to remain on channel %u for %ums\n", 4703 channel->hw_value, req_dur); 4704 IWL_DEBUG_TE(mvm, 4705 "\t(requested = %ums, max_delay = %ums)\n", 4706 duration, delay); 4707 4708 /* Set the node address */ 4709 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4710 4711 lockdep_assert_held(&mvm->mutex); 4712 4713 spin_lock_bh(&mvm->time_event_lock); 4714 4715 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4716 spin_unlock_bh(&mvm->time_event_lock); 4717 return -EIO; 4718 } 4719 4720 te_data->vif = vif; 4721 te_data->duration = duration; 4722 te_data->id = HOT_SPOT_CMD; 4723 4724 spin_unlock_bh(&mvm->time_event_lock); 4725 4726 /* 4727 * Use a notification wait, which really just processes the 4728 * command response and doesn't wait for anything, in order 4729 * to be able to process the response and get the UID inside 4730 * the RX path. Using CMD_WANT_SKB doesn't work because it 4731 * stores the buffer and then wakes up this thread, by which 4732 * time another notification (that the time event started) 4733 * might already be processed unsuccessfully. 4734 */ 4735 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4736 time_event_response, 4737 ARRAY_SIZE(time_event_response), 4738 iwl_mvm_rx_aux_roc, te_data); 4739 4740 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4741 &aux_roc_req); 4742 4743 if (res) { 4744 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4745 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4746 goto out_clear_te; 4747 } 4748 4749 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4750 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4751 /* should never fail */ 4752 WARN_ON_ONCE(res); 4753 4754 if (res) { 4755 out_clear_te: 4756 spin_lock_bh(&mvm->time_event_lock); 4757 iwl_mvm_te_clear_data(mvm, te_data); 4758 spin_unlock_bh(&mvm->time_event_lock); 4759 } 4760 4761 return res; 4762 } 4763 4764 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4765 { 4766 int ret = 0; 4767 4768 lockdep_assert_held(&mvm->mutex); 4769 4770 if (!fw_has_capa(&mvm->fw->ucode_capa, 4771 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4772 IWL_ERR(mvm, "hotspot not supported\n"); 4773 return -EINVAL; 4774 } 4775 4776 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4777 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4778 WARN(ret, "Failed to allocate aux station"); 4779 } 4780 4781 return ret; 4782 } 4783 4784 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4785 { 4786 int ret; 4787 4788 lockdep_assert_held(&mvm->mutex); 4789 4790 ret = iwl_mvm_binding_add_vif(mvm, vif); 4791 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4792 return ret; 4793 4794 /* The station and queue allocation must be done only after the binding 4795 * is done, as otherwise the FW might incorrectly configure its state. 4796 */ 4797 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4798 } 4799 4800 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4801 struct ieee80211_vif *vif, 4802 struct ieee80211_channel *channel, 4803 int duration, 4804 enum ieee80211_roc_type type) 4805 { 4806 static const struct iwl_mvm_roc_ops ops = { 4807 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4808 .link = iwl_mvm_roc_link, 4809 }; 4810 4811 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4812 } 4813 4814 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4815 struct ieee80211_channel *channel, 4816 struct ieee80211_vif *vif, 4817 int duration) 4818 { 4819 int ret; 4820 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4821 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4822 IWL_FW_CMD_VER_UNKNOWN); 4823 4824 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4825 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4826 } else if (fw_ver >= 3) { 4827 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4828 ROC_ACTIVITY_HOTSPOT); 4829 } else { 4830 ret = -EOPNOTSUPP; 4831 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4832 } 4833 4834 return ret; 4835 } 4836 4837 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4838 struct ieee80211_channel *channel, 4839 struct ieee80211_vif *vif, 4840 int duration, 4841 enum ieee80211_roc_type type) 4842 { 4843 enum iwl_roc_activity activity; 4844 int ret; 4845 4846 lockdep_assert_held(&mvm->mutex); 4847 4848 switch (type) { 4849 case IEEE80211_ROC_TYPE_NORMAL: 4850 activity = ROC_ACTIVITY_P2P_DISC; 4851 break; 4852 case IEEE80211_ROC_TYPE_MGMT_TX: 4853 activity = ROC_ACTIVITY_P2P_NEG; 4854 break; 4855 default: 4856 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4857 return -EINVAL; 4858 } 4859 4860 ret = iwl_mvm_mld_add_aux_sta(mvm, 4861 iwl_mvm_get_lmac_id(mvm, channel->band)); 4862 if (ret) 4863 return ret; 4864 4865 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4866 } 4867 4868 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4869 struct ieee80211_vif *vif, 4870 struct ieee80211_channel *channel) 4871 { 4872 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4873 struct cfg80211_chan_def chandef; 4874 int i; 4875 4876 lockdep_assert_held(&mvm->mutex); 4877 4878 if (mvmvif->deflink.phy_ctxt && 4879 channel == mvmvif->deflink.phy_ctxt->channel) 4880 return 0; 4881 4882 /* Try using a PHY context that is already in use */ 4883 for (i = 0; i < NUM_PHY_CTX; i++) { 4884 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4885 4886 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4887 continue; 4888 4889 if (channel == phy_ctxt->channel) { 4890 if (mvmvif->deflink.phy_ctxt) 4891 iwl_mvm_phy_ctxt_unref(mvm, 4892 mvmvif->deflink.phy_ctxt); 4893 4894 mvmvif->deflink.phy_ctxt = phy_ctxt; 4895 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4896 return 0; 4897 } 4898 } 4899 4900 /* We already have a phy_ctxt, but it's not on the right channel */ 4901 if (mvmvif->deflink.phy_ctxt) 4902 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4903 4904 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4905 if (!mvmvif->deflink.phy_ctxt) 4906 return -ENOSPC; 4907 4908 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4909 4910 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4911 &chandef, NULL, 1, 1); 4912 } 4913 4914 /* Execute the common part for MLD and non-MLD modes */ 4915 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4916 struct ieee80211_channel *channel, int duration, 4917 enum ieee80211_roc_type type, 4918 const struct iwl_mvm_roc_ops *ops) 4919 { 4920 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4921 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4922 u32 lmac_id; 4923 int ret; 4924 4925 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4926 duration, type); 4927 4928 /* 4929 * Flush the done work, just in case it's still pending, so that 4930 * the work it does can complete and we can accept new frames. 4931 */ 4932 flush_work(&mvm->roc_done_wk); 4933 4934 if (!IS_ERR_OR_NULL(bss_vif)) { 4935 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4936 IWL_MVM_ESR_BLOCKED_ROC); 4937 if (ret) 4938 return ret; 4939 } 4940 4941 guard(mvm)(mvm); 4942 4943 switch (vif->type) { 4944 case NL80211_IFTYPE_STATION: 4945 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4946 4947 /* Use aux roc framework (HS20) */ 4948 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4949 if (!ret) 4950 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4951 return ret; 4952 case NL80211_IFTYPE_P2P_DEVICE: 4953 /* handle below */ 4954 break; 4955 default: 4956 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4957 return -EINVAL; 4958 } 4959 4960 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4961 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4962 return ret; 4963 } 4964 4965 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4966 if (ret) 4967 return ret; 4968 4969 ret = ops->link(mvm, vif); 4970 if (ret) 4971 return ret; 4972 4973 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4974 } 4975 4976 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4977 struct ieee80211_vif *vif) 4978 { 4979 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4980 4981 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4982 4983 iwl_mvm_stop_roc(mvm, vif); 4984 4985 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4986 return 0; 4987 } 4988 4989 struct iwl_mvm_chanctx_usage_data { 4990 struct iwl_mvm *mvm; 4991 struct ieee80211_chanctx_conf *ctx; 4992 bool use_def; 4993 }; 4994 4995 static void iwl_mvm_chanctx_usage_iter(void *_data, u8 *mac, 4996 struct ieee80211_vif *vif) 4997 { 4998 struct iwl_mvm_chanctx_usage_data *data = _data; 4999 struct ieee80211_bss_conf *link_conf; 5000 int link_id; 5001 5002 for_each_vif_active_link(vif, link_conf, link_id) { 5003 if (rcu_access_pointer(link_conf->chanctx_conf) != data->ctx) 5004 continue; 5005 5006 if (iwl_mvm_enable_fils(data->mvm, vif, data->ctx)) 5007 data->use_def = true; 5008 5009 if (vif->type == NL80211_IFTYPE_AP && link_conf->ftmr_params) 5010 data->use_def = true; 5011 } 5012 } 5013 5014 struct cfg80211_chan_def * 5015 iwl_mvm_chanctx_def(struct iwl_mvm *mvm, struct ieee80211_chanctx_conf *ctx) 5016 { 5017 struct iwl_mvm_chanctx_usage_data data = { 5018 .mvm = mvm, 5019 .ctx = ctx, 5020 .use_def = false, 5021 }; 5022 5023 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 5024 IEEE80211_IFACE_ITER_NORMAL, 5025 iwl_mvm_chanctx_usage_iter, 5026 &data); 5027 5028 return data.use_def ? &ctx->def : &ctx->min_def; 5029 } 5030 5031 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 5032 struct ieee80211_chanctx_conf *ctx) 5033 { 5034 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5035 struct iwl_mvm_phy_ctxt *phy_ctxt; 5036 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5037 int ret; 5038 5039 lockdep_assert_held(&mvm->mutex); 5040 5041 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 5042 5043 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5044 if (!phy_ctxt) { 5045 ret = -ENOSPC; 5046 goto out; 5047 } 5048 5049 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5050 ctx->rx_chains_static, 5051 ctx->rx_chains_dynamic); 5052 if (ret) { 5053 IWL_ERR(mvm, "Failed to add PHY context\n"); 5054 goto out; 5055 } 5056 5057 *phy_ctxt_id = phy_ctxt->id; 5058 out: 5059 return ret; 5060 } 5061 5062 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5063 struct ieee80211_chanctx_conf *ctx) 5064 { 5065 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5066 5067 guard(mvm)(mvm); 5068 return __iwl_mvm_add_chanctx(mvm, ctx); 5069 } 5070 5071 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5072 struct ieee80211_chanctx_conf *ctx) 5073 { 5074 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5075 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5076 5077 lockdep_assert_held(&mvm->mutex); 5078 5079 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5080 } 5081 5082 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5083 struct ieee80211_chanctx_conf *ctx) 5084 { 5085 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5086 5087 guard(mvm)(mvm); 5088 __iwl_mvm_remove_chanctx(mvm, ctx); 5089 } 5090 5091 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5092 struct ieee80211_chanctx_conf *ctx, u32 changed) 5093 { 5094 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5095 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5096 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5097 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5098 5099 if (WARN_ONCE((phy_ctxt->ref > 1) && 5100 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5101 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5102 IEEE80211_CHANCTX_CHANGE_RADAR | 5103 IEEE80211_CHANCTX_CHANGE_MIN_DEF)), 5104 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5105 phy_ctxt->ref, changed)) 5106 return; 5107 5108 guard(mvm)(mvm); 5109 5110 /* we are only changing the min_width, may be a noop */ 5111 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_DEF) { 5112 if (phy_ctxt->width == def->width) 5113 return; 5114 5115 /* we are just toggling between 20_NOHT and 20 */ 5116 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5117 def->width <= NL80211_CHAN_WIDTH_20) 5118 return; 5119 } 5120 5121 iwl_mvm_bt_coex_vif_change(mvm); 5122 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5123 ctx->rx_chains_static, 5124 ctx->rx_chains_dynamic); 5125 } 5126 5127 /* 5128 * This function executes the common part for MLD and non-MLD modes. 5129 * 5130 * Returns true if we're done assigning the chanctx 5131 * (either on failure or success) 5132 */ 5133 static bool 5134 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5135 struct ieee80211_vif *vif, 5136 struct ieee80211_chanctx_conf *ctx, 5137 bool switching_chanctx, int *ret) 5138 { 5139 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5140 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5141 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5142 5143 lockdep_assert_held(&mvm->mutex); 5144 5145 mvmvif->deflink.phy_ctxt = phy_ctxt; 5146 5147 switch (vif->type) { 5148 case NL80211_IFTYPE_AP: 5149 /* only needed if we're switching chanctx (i.e. during CSA) */ 5150 if (switching_chanctx) { 5151 mvmvif->ap_ibss_active = true; 5152 break; 5153 } 5154 fallthrough; 5155 case NL80211_IFTYPE_ADHOC: 5156 /* 5157 * The AP binding flow is handled as part of the start_ap flow 5158 * (in bss_info_changed), similarly for IBSS. 5159 */ 5160 *ret = 0; 5161 return true; 5162 case NL80211_IFTYPE_STATION: 5163 break; 5164 case NL80211_IFTYPE_MONITOR: 5165 /* always disable PS when a monitor interface is active */ 5166 mvmvif->ps_disabled = true; 5167 break; 5168 default: 5169 *ret = -EINVAL; 5170 return true; 5171 } 5172 return false; 5173 } 5174 5175 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5176 struct ieee80211_vif *vif, 5177 struct ieee80211_bss_conf *link_conf, 5178 struct ieee80211_chanctx_conf *ctx, 5179 bool switching_chanctx) 5180 { 5181 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5182 int ret; 5183 5184 if (WARN_ON(!link_conf)) 5185 return -EINVAL; 5186 5187 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5188 switching_chanctx, &ret)) 5189 goto out; 5190 5191 ret = iwl_mvm_binding_add_vif(mvm, vif); 5192 if (ret) 5193 goto out; 5194 5195 /* 5196 * Power state must be updated before quotas, 5197 * otherwise fw will complain. 5198 */ 5199 iwl_mvm_power_update_mac(mvm); 5200 5201 /* Setting the quota at this stage is only required for monitor 5202 * interfaces. For the other types, the bss_info changed flow 5203 * will handle quota settings. 5204 */ 5205 if (vif->type == NL80211_IFTYPE_MONITOR) { 5206 mvmvif->monitor_active = true; 5207 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5208 if (ret) 5209 goto out_remove_binding; 5210 5211 ret = iwl_mvm_add_snif_sta(mvm, vif); 5212 if (ret) 5213 goto out_remove_binding; 5214 5215 } 5216 5217 /* Handle binding during CSA */ 5218 if (vif->type == NL80211_IFTYPE_AP) { 5219 iwl_mvm_update_quotas(mvm, false, NULL); 5220 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5221 } 5222 5223 if (vif->type == NL80211_IFTYPE_STATION) { 5224 if (!switching_chanctx) { 5225 mvmvif->csa_bcn_pending = false; 5226 goto out; 5227 } 5228 5229 mvmvif->csa_bcn_pending = true; 5230 5231 if (!fw_has_capa(&mvm->fw->ucode_capa, 5232 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5233 u32 duration = 5 * vif->bss_conf.beacon_int; 5234 5235 /* Protect the session to make sure we hear the first 5236 * beacon on the new channel. 5237 */ 5238 iwl_mvm_protect_session(mvm, vif, duration, duration, 5239 vif->bss_conf.beacon_int / 2, 5240 true); 5241 } 5242 5243 iwl_mvm_update_quotas(mvm, false, NULL); 5244 5245 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5246 link_conf, 5247 false); 5248 } 5249 5250 goto out; 5251 5252 out_remove_binding: 5253 iwl_mvm_binding_remove_vif(mvm, vif); 5254 iwl_mvm_power_update_mac(mvm); 5255 out: 5256 if (ret) 5257 mvmvif->deflink.phy_ctxt = NULL; 5258 return ret; 5259 } 5260 5261 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5262 struct ieee80211_vif *vif, 5263 struct ieee80211_bss_conf *link_conf, 5264 struct ieee80211_chanctx_conf *ctx) 5265 { 5266 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5267 5268 guard(mvm)(mvm); 5269 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5270 } 5271 5272 /* 5273 * This function executes the common part for MLD and non-MLD modes. 5274 * 5275 * Returns if chanctx unassign chanctx is done 5276 * (either on failure or success) 5277 */ 5278 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5279 struct ieee80211_vif *vif, 5280 bool switching_chanctx) 5281 { 5282 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5283 5284 lockdep_assert_held(&mvm->mutex); 5285 iwl_mvm_remove_time_event(mvm, mvmvif, 5286 &mvmvif->time_event_data); 5287 5288 switch (vif->type) { 5289 case NL80211_IFTYPE_ADHOC: 5290 return true; 5291 case NL80211_IFTYPE_MONITOR: 5292 mvmvif->monitor_active = false; 5293 mvmvif->ps_disabled = false; 5294 break; 5295 case NL80211_IFTYPE_AP: 5296 /* This part is triggered only during CSA */ 5297 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5298 return true; 5299 5300 mvmvif->csa_countdown = false; 5301 5302 /* Set CS bit on all the stations */ 5303 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5304 5305 /* Save blocked iface, the timeout is set on the next beacon */ 5306 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5307 5308 mvmvif->ap_ibss_active = false; 5309 break; 5310 default: 5311 break; 5312 } 5313 return false; 5314 } 5315 5316 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5317 struct ieee80211_vif *vif, 5318 struct ieee80211_bss_conf *link_conf, 5319 struct ieee80211_chanctx_conf *ctx, 5320 bool switching_chanctx) 5321 { 5322 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5323 struct ieee80211_vif *disabled_vif = NULL; 5324 5325 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5326 goto out; 5327 5328 if (vif->type == NL80211_IFTYPE_MONITOR) 5329 iwl_mvm_rm_snif_sta(mvm, vif); 5330 5331 5332 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5333 disabled_vif = vif; 5334 if (!fw_has_capa(&mvm->fw->ucode_capa, 5335 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5336 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5337 } 5338 5339 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5340 iwl_mvm_binding_remove_vif(mvm, vif); 5341 5342 out: 5343 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5344 switching_chanctx) 5345 return; 5346 mvmvif->deflink.phy_ctxt = NULL; 5347 iwl_mvm_power_update_mac(mvm); 5348 } 5349 5350 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5351 struct ieee80211_vif *vif, 5352 struct ieee80211_bss_conf *link_conf, 5353 struct ieee80211_chanctx_conf *ctx) 5354 { 5355 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5356 5357 guard(mvm)(mvm); 5358 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5359 } 5360 5361 static int 5362 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5363 struct ieee80211_vif_chanctx_switch *vifs, 5364 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5365 { 5366 int ret; 5367 5368 guard(mvm)(mvm); 5369 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5370 vifs[0].old_ctx, true); 5371 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5372 5373 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5374 if (ret) { 5375 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5376 goto out_reassign; 5377 } 5378 5379 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5380 vifs[0].new_ctx, true); 5381 if (ret) { 5382 IWL_ERR(mvm, 5383 "failed to assign new_ctx during channel switch\n"); 5384 goto out_remove; 5385 } 5386 5387 /* we don't support TDLS during DCM - can be caused by channel switch */ 5388 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5389 iwl_mvm_teardown_tdls_peers(mvm); 5390 5391 return 0; 5392 5393 out_remove: 5394 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5395 5396 out_reassign: 5397 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5398 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5399 goto out_restart; 5400 } 5401 5402 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5403 vifs[0].old_ctx, true)) { 5404 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5405 goto out_restart; 5406 } 5407 5408 return ret; 5409 5410 out_restart: 5411 /* things keep failing, better restart the hw */ 5412 iwl_force_nmi(mvm->trans); 5413 return ret; 5414 } 5415 5416 static int 5417 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5418 struct ieee80211_vif_chanctx_switch *vifs, 5419 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5420 { 5421 int ret; 5422 5423 guard(mvm)(mvm); 5424 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5425 vifs[0].old_ctx, true); 5426 5427 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5428 vifs[0].new_ctx, true); 5429 if (ret) { 5430 IWL_ERR(mvm, 5431 "failed to assign new_ctx during channel switch\n"); 5432 goto out_reassign; 5433 } 5434 5435 return 0; 5436 5437 out_reassign: 5438 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5439 vifs[0].old_ctx, true)) { 5440 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5441 goto out_restart; 5442 } 5443 5444 return ret; 5445 5446 out_restart: 5447 /* things keep failing, better restart the hw */ 5448 iwl_force_nmi(mvm->trans); 5449 return ret; 5450 } 5451 5452 /* Execute the common part for both MLD and non-MLD modes */ 5453 int 5454 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5455 struct ieee80211_vif_chanctx_switch *vifs, 5456 int n_vifs, 5457 enum ieee80211_chanctx_switch_mode mode, 5458 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5459 { 5460 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5461 int ret; 5462 5463 /* we only support a single-vif right now */ 5464 if (n_vifs > 1) 5465 return -EOPNOTSUPP; 5466 5467 switch (mode) { 5468 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5469 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5470 break; 5471 case CHANCTX_SWMODE_REASSIGN_VIF: 5472 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5473 break; 5474 default: 5475 ret = -EOPNOTSUPP; 5476 break; 5477 } 5478 5479 return ret; 5480 } 5481 5482 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5483 struct ieee80211_vif_chanctx_switch *vifs, 5484 int n_vifs, 5485 enum ieee80211_chanctx_switch_mode mode) 5486 { 5487 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5488 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5489 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5490 }; 5491 5492 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5493 } 5494 5495 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5496 { 5497 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5498 5499 return mvm->ibss_manager; 5500 } 5501 5502 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5503 bool set) 5504 { 5505 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5506 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5507 5508 if (!mvm_sta || !mvm_sta->vif) { 5509 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5510 return -EINVAL; 5511 } 5512 5513 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5514 &mvm_sta->vif->bss_conf); 5515 } 5516 5517 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5518 struct ieee80211_channel_switch *chsw) 5519 { 5520 /* By implementing this operation, we prevent mac80211 from 5521 * starting its own channel switch timer, so that we can call 5522 * ieee80211_chswitch_done() ourselves at the right time 5523 * (which is when the absence time event starts). 5524 */ 5525 5526 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5527 "dummy channel switch op\n"); 5528 } 5529 5530 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5531 struct ieee80211_vif *vif, 5532 struct ieee80211_channel_switch *chsw) 5533 { 5534 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5535 struct iwl_chan_switch_te_cmd cmd = { 5536 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5537 mvmvif->color)), 5538 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5539 .tsf = cpu_to_le32(chsw->timestamp), 5540 .cs_count = chsw->count, 5541 .cs_mode = chsw->block_tx, 5542 }; 5543 5544 lockdep_assert_held(&mvm->mutex); 5545 5546 if (chsw->delay) 5547 cmd.cs_delayed_bcn_count = 5548 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5549 5550 return iwl_mvm_send_cmd_pdu(mvm, 5551 WIDE_ID(MAC_CONF_GROUP, 5552 CHANNEL_SWITCH_TIME_EVENT_CMD), 5553 0, sizeof(cmd), &cmd); 5554 } 5555 5556 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5557 struct ieee80211_vif *vif, 5558 struct ieee80211_channel_switch *chsw) 5559 { 5560 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5561 u32 apply_time; 5562 5563 /* Schedule the time event to a bit before beacon 1, 5564 * to make sure we're in the new channel when the 5565 * GO/AP arrives. In case count <= 1 immediately schedule the 5566 * TE (this might result with some packet loss or connection 5567 * loss). 5568 */ 5569 if (chsw->count <= 1) 5570 apply_time = 0; 5571 else 5572 apply_time = chsw->device_timestamp + 5573 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5574 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5575 5576 if (chsw->block_tx) 5577 iwl_mvm_csa_client_absent(mvm, vif); 5578 5579 if (mvmvif->bf_enabled) { 5580 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5581 5582 if (ret) 5583 return ret; 5584 } 5585 5586 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5587 apply_time); 5588 5589 return 0; 5590 } 5591 5592 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5593 { 5594 int i; 5595 5596 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5597 struct iwl_mvm_txq *mvmtxq = 5598 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5599 5600 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5601 } 5602 } 5603 5604 #define IWL_MAX_CSA_BLOCK_TX 1500 5605 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5606 struct ieee80211_vif *vif, 5607 struct ieee80211_channel_switch *chsw) 5608 { 5609 struct ieee80211_vif *csa_vif; 5610 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5611 struct iwl_mvm_txq *mvmtxq; 5612 int ret; 5613 5614 lockdep_assert_held(&mvm->mutex); 5615 5616 mvmvif->csa_failed = false; 5617 mvmvif->csa_blocks_tx = false; 5618 5619 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5620 chsw->chandef.center_freq1); 5621 5622 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5623 ieee80211_vif_to_wdev(vif), 5624 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5625 5626 switch (vif->type) { 5627 case NL80211_IFTYPE_AP: 5628 csa_vif = 5629 rcu_dereference_protected(mvm->csa_vif, 5630 lockdep_is_held(&mvm->mutex)); 5631 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5632 "Another CSA is already in progress")) 5633 return -EBUSY; 5634 5635 /* we still didn't unblock tx. prevent new CS meanwhile */ 5636 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5637 lockdep_is_held(&mvm->mutex))) 5638 return -EBUSY; 5639 5640 rcu_assign_pointer(mvm->csa_vif, vif); 5641 5642 if (WARN_ONCE(mvmvif->csa_countdown, 5643 "Previous CSA countdown didn't complete")) 5644 return -EBUSY; 5645 5646 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5647 5648 if (!chsw->block_tx) 5649 break; 5650 /* don't need blocking in driver otherwise - mac80211 will do */ 5651 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5652 break; 5653 5654 mvmvif->csa_blocks_tx = true; 5655 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5656 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5657 ieee80211_iterate_stations_atomic(mvm->hw, 5658 iwl_mvm_csa_block_txqs, 5659 NULL); 5660 break; 5661 case NL80211_IFTYPE_STATION: 5662 mvmvif->csa_blocks_tx = chsw->block_tx; 5663 5664 /* 5665 * In the new flow FW is in charge of timing the switch so there 5666 * is no need for all of this 5667 */ 5668 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5669 CHANNEL_SWITCH_ERROR_NOTIF, 5670 0)) 5671 break; 5672 5673 /* 5674 * We haven't configured the firmware to be associated yet since 5675 * we don't know the dtim period. In this case, the firmware can't 5676 * track the beacons. 5677 */ 5678 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5679 return -EBUSY; 5680 5681 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5682 hweight16(vif->valid_links) <= 1) 5683 schedule_delayed_work(&mvmvif->csa_work, 0); 5684 5685 if (chsw->block_tx) { 5686 /* 5687 * In case of undetermined / long time with immediate 5688 * quiet monitor status to gracefully disconnect 5689 */ 5690 if (!chsw->count || 5691 chsw->count * vif->bss_conf.beacon_int > 5692 IWL_MAX_CSA_BLOCK_TX) 5693 schedule_delayed_work(&mvmvif->csa_work, 5694 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5695 } 5696 5697 if (!fw_has_capa(&mvm->fw->ucode_capa, 5698 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5699 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5700 if (ret) 5701 return ret; 5702 } else { 5703 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5704 } 5705 5706 mvmvif->csa_count = chsw->count; 5707 mvmvif->csa_misbehave = false; 5708 break; 5709 default: 5710 break; 5711 } 5712 5713 mvmvif->ps_disabled = true; 5714 5715 ret = iwl_mvm_power_update_ps(mvm); 5716 if (ret) 5717 return ret; 5718 5719 /* we won't be on this channel any longer */ 5720 iwl_mvm_teardown_tdls_peers(mvm); 5721 5722 return ret; 5723 } 5724 5725 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5726 struct ieee80211_vif *vif, 5727 struct ieee80211_channel_switch *chsw) 5728 { 5729 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5730 5731 guard(mvm)(mvm); 5732 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5733 } 5734 5735 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5736 struct ieee80211_vif *vif, 5737 struct ieee80211_channel_switch *chsw) 5738 { 5739 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5740 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5741 struct iwl_chan_switch_te_cmd cmd = { 5742 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5743 mvmvif->color)), 5744 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5745 .tsf = cpu_to_le32(chsw->timestamp), 5746 .cs_count = chsw->count, 5747 .cs_mode = chsw->block_tx, 5748 }; 5749 5750 /* 5751 * In the new flow FW is in charge of timing the switch so there is no 5752 * need for all of this 5753 */ 5754 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5755 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5756 return; 5757 5758 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5759 return; 5760 5761 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5762 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5763 5764 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5765 if (mvmvif->csa_misbehave) { 5766 struct ieee80211_bss_conf *link_conf; 5767 5768 /* Second time, give up on this AP*/ 5769 5770 link_conf = wiphy_dereference(hw->wiphy, 5771 vif->link_conf[chsw->link_id]); 5772 if (WARN_ON(!link_conf)) 5773 return; 5774 5775 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5776 ieee80211_chswitch_done(vif, false, 0); 5777 mvmvif->csa_misbehave = false; 5778 return; 5779 } 5780 mvmvif->csa_misbehave = true; 5781 } 5782 mvmvif->csa_count = chsw->count; 5783 5784 guard(mvm)(mvm); 5785 if (mvmvif->csa_failed) 5786 return; 5787 5788 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5789 WIDE_ID(MAC_CONF_GROUP, 5790 CHANNEL_SWITCH_TIME_EVENT_CMD), 5791 0, sizeof(cmd), &cmd)); 5792 } 5793 5794 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5795 { 5796 int i; 5797 5798 if (!iwl_mvm_has_new_tx_api(mvm)) { 5799 /* we can't ask the firmware anything if it is dead */ 5800 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5801 &mvm->status)) 5802 return; 5803 if (drop) { 5804 guard(mvm)(mvm); 5805 iwl_mvm_flush_tx_path(mvm, 5806 iwl_mvm_flushable_queues(mvm) & queues); 5807 } else { 5808 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5809 } 5810 return; 5811 } 5812 5813 guard(mvm)(mvm); 5814 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5815 struct ieee80211_sta *sta; 5816 5817 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5818 lockdep_is_held(&mvm->mutex)); 5819 if (IS_ERR_OR_NULL(sta)) 5820 continue; 5821 5822 if (drop) 5823 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5824 else 5825 iwl_mvm_wait_sta_queues_empty(mvm, 5826 iwl_mvm_sta_from_mac80211(sta)); 5827 } 5828 } 5829 5830 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5831 u32 queues, bool drop) 5832 { 5833 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5834 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5835 struct iwl_mvm_sta *mvmsta; 5836 struct ieee80211_sta *sta; 5837 bool ap_sta_done = false; 5838 int i; 5839 u32 msk = 0; 5840 5841 if (!vif) { 5842 iwl_mvm_flush_no_vif(mvm, queues, drop); 5843 return; 5844 } 5845 5846 if (!drop && hweight16(vif->active_links) <= 1) { 5847 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5848 struct ieee80211_bss_conf *link_conf; 5849 5850 link_conf = wiphy_dereference(hw->wiphy, 5851 vif->link_conf[link_id]); 5852 if (WARN_ON(!link_conf)) 5853 return; 5854 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5855 drop = true; 5856 } 5857 5858 /* Make sure we're done with the deferred traffic before flushing */ 5859 flush_work(&mvm->add_stream_wk); 5860 5861 mutex_lock(&mvm->mutex); 5862 5863 /* flush the AP-station and all TDLS peers */ 5864 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5865 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5866 lockdep_is_held(&mvm->mutex)); 5867 if (IS_ERR_OR_NULL(sta)) 5868 continue; 5869 5870 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5871 if (mvmsta->vif != vif) 5872 continue; 5873 5874 if (sta == mvmvif->ap_sta) { 5875 if (ap_sta_done) 5876 continue; 5877 ap_sta_done = true; 5878 } 5879 5880 if (drop) { 5881 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5882 mvmsta->tfd_queue_msk)) 5883 IWL_ERR(mvm, "flush request fail\n"); 5884 } else { 5885 if (iwl_mvm_has_new_tx_api(mvm)) 5886 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5887 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5888 msk |= mvmsta->tfd_queue_msk; 5889 } 5890 } 5891 5892 mutex_unlock(&mvm->mutex); 5893 5894 /* this can take a while, and we may need/want other operations 5895 * to succeed while doing this, so do it without the mutex held 5896 * If the firmware is dead, this can't work... 5897 */ 5898 if (!drop && !iwl_mvm_has_new_tx_api(mvm) && 5899 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5900 &mvm->status)) 5901 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5902 } 5903 5904 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5905 struct ieee80211_sta *sta) 5906 { 5907 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5908 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5909 struct iwl_mvm_link_sta *mvm_link_sta; 5910 struct ieee80211_link_sta *link_sta; 5911 int link_id; 5912 5913 guard(mvm)(mvm); 5914 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5915 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5916 lockdep_is_held(&mvm->mutex)); 5917 if (!mvm_link_sta) 5918 continue; 5919 5920 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5921 mvmsta->tfd_queue_msk)) 5922 IWL_ERR(mvm, "flush request fail\n"); 5923 } 5924 } 5925 5926 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5927 struct survey_info *survey) 5928 { 5929 int chan_idx; 5930 enum nl80211_band band; 5931 int ret; 5932 5933 mutex_lock(&mvm->mutex); 5934 5935 if (!mvm->acs_survey) { 5936 ret = -ENOENT; 5937 goto out; 5938 } 5939 5940 /* Find and return the next entry that has a non-zero active time */ 5941 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5942 struct ieee80211_supported_band *sband = 5943 mvm->hw->wiphy->bands[band]; 5944 5945 if (!sband) 5946 continue; 5947 5948 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5949 struct iwl_mvm_acs_survey_channel *info = 5950 &mvm->acs_survey->bands[band][chan_idx]; 5951 5952 if (!info->time) 5953 continue; 5954 5955 /* Found (the next) channel to report */ 5956 survey->channel = &sband->channels[chan_idx]; 5957 survey->filled = SURVEY_INFO_TIME | 5958 SURVEY_INFO_TIME_BUSY | 5959 SURVEY_INFO_TIME_RX | 5960 SURVEY_INFO_TIME_TX; 5961 survey->time = info->time; 5962 survey->time_busy = info->time_busy; 5963 survey->time_rx = info->time_rx; 5964 survey->time_tx = info->time_tx; 5965 survey->noise = info->noise; 5966 if (survey->noise < 0) 5967 survey->filled |= SURVEY_INFO_NOISE_DBM; 5968 5969 /* Clear time so that channel is only reported once */ 5970 info->time = 0; 5971 5972 ret = 0; 5973 goto out; 5974 } 5975 } 5976 5977 ret = -ENOENT; 5978 5979 out: 5980 mutex_unlock(&mvm->mutex); 5981 5982 return ret; 5983 } 5984 5985 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5986 struct survey_info *survey) 5987 { 5988 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5989 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 5990 WIDE_ID(SYSTEM_GROUP, 5991 SYSTEM_STATISTICS_CMD), 5992 IWL_FW_CMD_VER_UNKNOWN); 5993 5994 memset(survey, 0, sizeof(*survey)); 5995 5996 if (!fw_has_capa(&mvm->fw->ucode_capa, 5997 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 5998 return -ENOENT; 5999 6000 /* 6001 * Return the beacon stats at index zero and pass on following indices 6002 * to the function returning the full survey, most likely for ACS 6003 * (Automatic Channel Selection). 6004 */ 6005 if (idx > 0) 6006 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6007 6008 guard(mvm)(mvm); 6009 6010 if (iwl_mvm_firmware_running(mvm)) { 6011 int ret = iwl_mvm_request_statistics(mvm, false); 6012 6013 if (ret) 6014 return ret; 6015 } 6016 6017 survey->filled = SURVEY_INFO_TIME_RX | 6018 SURVEY_INFO_TIME_TX; 6019 6020 survey->time_rx = mvm->accu_radio_stats.rx_time + 6021 mvm->radio_stats.rx_time; 6022 do_div(survey->time_rx, USEC_PER_MSEC); 6023 6024 survey->time_tx = mvm->accu_radio_stats.tx_time + 6025 mvm->radio_stats.tx_time; 6026 do_div(survey->time_tx, USEC_PER_MSEC); 6027 6028 /* the new fw api doesn't support the following fields */ 6029 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6030 return 0; 6031 6032 survey->filled |= SURVEY_INFO_TIME | 6033 SURVEY_INFO_TIME_SCAN; 6034 survey->time = mvm->accu_radio_stats.on_time_rf + 6035 mvm->radio_stats.on_time_rf; 6036 do_div(survey->time, USEC_PER_MSEC); 6037 6038 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6039 mvm->radio_stats.on_time_scan; 6040 do_div(survey->time_scan, USEC_PER_MSEC); 6041 6042 return 0; 6043 } 6044 6045 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6046 { 6047 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6048 u32 gi_ltf; 6049 6050 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6051 case RATE_MCS_CHAN_WIDTH_20: 6052 rinfo->bw = RATE_INFO_BW_20; 6053 break; 6054 case RATE_MCS_CHAN_WIDTH_40: 6055 rinfo->bw = RATE_INFO_BW_40; 6056 break; 6057 case RATE_MCS_CHAN_WIDTH_80: 6058 rinfo->bw = RATE_INFO_BW_80; 6059 break; 6060 case RATE_MCS_CHAN_WIDTH_160: 6061 rinfo->bw = RATE_INFO_BW_160; 6062 break; 6063 case RATE_MCS_CHAN_WIDTH_320: 6064 rinfo->bw = RATE_INFO_BW_320; 6065 break; 6066 } 6067 6068 if (format == RATE_MCS_MOD_TYPE_CCK || 6069 format == RATE_MCS_MOD_TYPE_LEGACY_OFDM) { 6070 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6071 6072 /* add the offset needed to get to the legacy ofdm indices */ 6073 if (format == RATE_MCS_MOD_TYPE_LEGACY_OFDM) 6074 rate += IWL_FIRST_OFDM_RATE; 6075 6076 switch (rate) { 6077 case IWL_RATE_1M_INDEX: 6078 rinfo->legacy = 10; 6079 break; 6080 case IWL_RATE_2M_INDEX: 6081 rinfo->legacy = 20; 6082 break; 6083 case IWL_RATE_5M_INDEX: 6084 rinfo->legacy = 55; 6085 break; 6086 case IWL_RATE_11M_INDEX: 6087 rinfo->legacy = 110; 6088 break; 6089 case IWL_RATE_6M_INDEX: 6090 rinfo->legacy = 60; 6091 break; 6092 case IWL_RATE_9M_INDEX: 6093 rinfo->legacy = 90; 6094 break; 6095 case IWL_RATE_12M_INDEX: 6096 rinfo->legacy = 120; 6097 break; 6098 case IWL_RATE_18M_INDEX: 6099 rinfo->legacy = 180; 6100 break; 6101 case IWL_RATE_24M_INDEX: 6102 rinfo->legacy = 240; 6103 break; 6104 case IWL_RATE_36M_INDEX: 6105 rinfo->legacy = 360; 6106 break; 6107 case IWL_RATE_48M_INDEX: 6108 rinfo->legacy = 480; 6109 break; 6110 case IWL_RATE_54M_INDEX: 6111 rinfo->legacy = 540; 6112 } 6113 return; 6114 } 6115 6116 rinfo->nss = u32_get_bits(rate_n_flags, 6117 RATE_MCS_NSS_MSK) + 1; 6118 rinfo->mcs = format == RATE_MCS_MOD_TYPE_HT ? 6119 RATE_HT_MCS_INDEX(rate_n_flags) : 6120 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6121 6122 if (rate_n_flags & RATE_MCS_SGI_MSK) 6123 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6124 6125 switch (format) { 6126 case RATE_MCS_MOD_TYPE_EHT: 6127 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6128 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6129 break; 6130 case RATE_MCS_MOD_TYPE_HE: 6131 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6132 6133 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6134 6135 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6136 rinfo->bw = RATE_INFO_BW_HE_RU; 6137 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6138 } 6139 6140 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6141 case RATE_MCS_HE_TYPE_SU: 6142 case RATE_MCS_HE_TYPE_EXT_SU: 6143 if (gi_ltf == 0 || gi_ltf == 1) 6144 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6145 else if (gi_ltf == 2) 6146 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6147 else if (gi_ltf == 3) 6148 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6149 else 6150 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6151 break; 6152 case RATE_MCS_HE_TYPE_MU: 6153 if (gi_ltf == 0 || gi_ltf == 1) 6154 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6155 else if (gi_ltf == 2) 6156 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6157 else 6158 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6159 break; 6160 case RATE_MCS_HE_TYPE_TRIG: 6161 if (gi_ltf == 0 || gi_ltf == 1) 6162 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6163 else 6164 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6165 break; 6166 } 6167 6168 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6169 rinfo->he_dcm = 1; 6170 break; 6171 case RATE_MCS_MOD_TYPE_HT: 6172 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6173 break; 6174 case RATE_MCS_MOD_TYPE_VHT: 6175 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6176 break; 6177 } 6178 } 6179 6180 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6181 struct ieee80211_vif *vif, 6182 struct ieee80211_sta *sta, 6183 struct station_info *sinfo) 6184 { 6185 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6186 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6187 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6188 int i; 6189 6190 if (mvmsta->deflink.avg_energy) { 6191 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6192 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6193 } 6194 6195 if (iwl_mvm_has_tlc_offload(mvm)) { 6196 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6197 6198 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6199 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6200 } 6201 6202 /* if beacon filtering isn't on mac80211 does it anyway */ 6203 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6204 return; 6205 6206 if (!vif->cfg.assoc) 6207 return; 6208 6209 guard(mvm)(mvm); 6210 6211 if (sta != mvmvif->ap_sta) 6212 return; 6213 6214 if (iwl_mvm_request_statistics(mvm, false)) 6215 return; 6216 6217 sinfo->rx_beacon = 0; 6218 for_each_mvm_vif_valid_link(mvmvif, i) 6219 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6220 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6221 6222 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6223 if (mvmvif->deflink.beacon_stats.avg_signal) { 6224 /* firmware only reports a value after RXing a few beacons */ 6225 sinfo->rx_beacon_signal_avg = 6226 mvmvif->deflink.beacon_stats.avg_signal; 6227 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6228 } 6229 } 6230 6231 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6232 struct ieee80211_vif *vif, 6233 const struct ieee80211_mlme_event *mlme) 6234 { 6235 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6236 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6237 iwl_dbg_tlv_time_point(&mvm->fwrt, 6238 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6239 NULL); 6240 return; 6241 } 6242 6243 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6244 iwl_dbg_tlv_time_point(&mvm->fwrt, 6245 IWL_FW_INI_TIME_POINT_DEASSOC, 6246 NULL); 6247 return; 6248 } 6249 } 6250 6251 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6252 struct ieee80211_vif *vif, 6253 const struct ieee80211_event *event) 6254 { 6255 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6256 do { \ 6257 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6258 break; \ 6259 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6260 } while (0) 6261 6262 struct iwl_fw_dbg_trigger_tlv *trig; 6263 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6264 6265 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6266 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6267 return; 6268 } 6269 6270 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6271 FW_DBG_TRIGGER_MLME); 6272 if (!trig) 6273 return; 6274 6275 trig_mlme = (void *)trig->data; 6276 6277 if (event->u.mlme.data == ASSOC_EVENT) { 6278 if (event->u.mlme.status == MLME_DENIED) 6279 CHECK_MLME_TRIGGER(stop_assoc_denied, 6280 "DENIED ASSOC: reason %d", 6281 event->u.mlme.reason); 6282 else if (event->u.mlme.status == MLME_TIMEOUT) 6283 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6284 "ASSOC TIMEOUT"); 6285 } else if (event->u.mlme.data == AUTH_EVENT) { 6286 if (event->u.mlme.status == MLME_DENIED) 6287 CHECK_MLME_TRIGGER(stop_auth_denied, 6288 "DENIED AUTH: reason %d", 6289 event->u.mlme.reason); 6290 else if (event->u.mlme.status == MLME_TIMEOUT) 6291 CHECK_MLME_TRIGGER(stop_auth_timeout, 6292 "AUTH TIMEOUT"); 6293 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6294 CHECK_MLME_TRIGGER(stop_rx_deauth, 6295 "DEAUTH RX %d", event->u.mlme.reason); 6296 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6297 CHECK_MLME_TRIGGER(stop_tx_deauth, 6298 "DEAUTH TX %d", event->u.mlme.reason); 6299 } 6300 #undef CHECK_MLME_TRIGGER 6301 } 6302 6303 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6304 struct ieee80211_vif *vif, 6305 const struct ieee80211_event *event) 6306 { 6307 struct iwl_fw_dbg_trigger_tlv *trig; 6308 struct iwl_fw_dbg_trigger_ba *ba_trig; 6309 6310 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6311 FW_DBG_TRIGGER_BA); 6312 if (!trig) 6313 return; 6314 6315 ba_trig = (void *)trig->data; 6316 6317 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6318 return; 6319 6320 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6321 "BAR received from %pM, tid %d, ssn %d", 6322 event->u.ba.sta->addr, event->u.ba.tid, 6323 event->u.ba.ssn); 6324 } 6325 6326 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6327 struct ieee80211_vif *vif, 6328 const struct ieee80211_event *event) 6329 { 6330 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6331 6332 switch (event->type) { 6333 case MLME_EVENT: 6334 iwl_mvm_event_mlme_callback(mvm, vif, event); 6335 break; 6336 case BAR_RX_EVENT: 6337 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6338 break; 6339 case BA_FRAME_TIMEOUT: 6340 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6341 event->u.ba.tid); 6342 break; 6343 default: 6344 break; 6345 } 6346 } 6347 6348 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6349 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6350 enum iwl_mvm_rxq_notif_type type, 6351 bool sync, 6352 const void *data, u32 size) 6353 { 6354 DEFINE_RAW_FLEX(struct iwl_rxq_sync_cmd, cmd, payload, 6355 sizeof(struct iwl_mvm_internal_rxq_notif)); 6356 struct iwl_mvm_internal_rxq_notif *notif = 6357 (struct iwl_mvm_internal_rxq_notif *)cmd->payload; 6358 struct iwl_host_cmd hcmd = { 6359 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6360 .data[0] = cmd, 6361 .len[0] = __struct_size(cmd), 6362 .data[1] = data, 6363 .len[1] = size, 6364 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6365 }; 6366 int ret; 6367 6368 cmd->rxq_mask = cpu_to_le32(BIT(mvm->trans->info.num_rxqs) - 1); 6369 cmd->count = cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6370 size); 6371 notif->type = type; 6372 notif->sync = sync; 6373 6374 /* size must be a multiple of DWORD */ 6375 if (WARN_ON(cmd->count & cpu_to_le32(3))) 6376 return; 6377 6378 if (!iwl_mvm_has_new_rx_api(mvm)) 6379 return; 6380 6381 if (sync) { 6382 notif->cookie = mvm->queue_sync_cookie; 6383 mvm->queue_sync_state = (1 << mvm->trans->info.num_rxqs) - 1; 6384 } 6385 6386 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6387 if (ret) { 6388 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6389 goto out; 6390 } 6391 6392 if (sync) { 6393 lockdep_assert_held(&mvm->mutex); 6394 ret = wait_event_timeout(mvm->rx_sync_waitq, 6395 READ_ONCE(mvm->queue_sync_state) == 0, 6396 SYNC_RX_QUEUE_TIMEOUT); 6397 WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6398 mvm->queue_sync_state, 6399 mvm->queue_sync_cookie); 6400 } 6401 6402 out: 6403 if (sync) { 6404 mvm->queue_sync_state = 0; 6405 mvm->queue_sync_cookie++; 6406 } 6407 } 6408 6409 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6410 { 6411 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6412 6413 guard(mvm)(mvm); 6414 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6415 } 6416 6417 int 6418 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6419 struct ieee80211_vif *vif, 6420 struct cfg80211_ftm_responder_stats *stats) 6421 { 6422 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6423 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6424 6425 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6426 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6427 return -EINVAL; 6428 6429 mutex_lock(&mvm->mutex); 6430 *stats = mvm->ftm_resp_stats; 6431 mutex_unlock(&mvm->mutex); 6432 6433 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6434 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6435 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6436 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6437 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6438 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6439 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6440 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6441 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6442 6443 return 0; 6444 } 6445 6446 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6447 struct cfg80211_pmsr_request *request) 6448 { 6449 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6450 6451 guard(mvm)(mvm); 6452 return iwl_mvm_ftm_start(mvm, vif, request); 6453 } 6454 6455 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6456 struct cfg80211_pmsr_request *request) 6457 { 6458 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6459 6460 guard(mvm)(mvm); 6461 iwl_mvm_ftm_abort(mvm, request); 6462 } 6463 6464 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6465 { 6466 u8 protocol = ip_hdr(skb)->protocol; 6467 6468 if (!IS_ENABLED(CONFIG_INET)) 6469 return false; 6470 6471 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6472 } 6473 6474 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6475 struct sk_buff *head, 6476 struct sk_buff *skb) 6477 { 6478 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6479 6480 /* For now don't aggregate IPv6 in AMSDU */ 6481 if (skb->protocol != htons(ETH_P_IP)) 6482 return false; 6483 6484 if (!iwl_mvm_is_csum_supported(mvm)) 6485 return true; 6486 6487 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6488 } 6489 6490 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6491 struct ieee80211_vif *vif, 6492 struct cfg80211_set_hw_timestamp *hwts) 6493 { 6494 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6495 u32 protocols = 0; 6496 6497 /* HW timestamping is only supported for a specific station */ 6498 if (!hwts->macaddr) 6499 return -EOPNOTSUPP; 6500 6501 if (hwts->enable) 6502 protocols = 6503 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6504 6505 guard(mvm)(mvm); 6506 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6507 } 6508 6509 const struct ieee80211_ops iwl_mvm_hw_ops = { 6510 .tx = iwl_mvm_mac_tx, 6511 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6512 .ampdu_action = iwl_mvm_mac_ampdu_action, 6513 .get_antenna = iwl_mvm_op_get_antenna, 6514 .set_antenna = iwl_mvm_op_set_antenna, 6515 .start = iwl_mvm_mac_start, 6516 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6517 .stop = iwl_mvm_mac_stop, 6518 .add_interface = iwl_mvm_mac_add_interface, 6519 .remove_interface = iwl_mvm_mac_remove_interface, 6520 .config = iwl_mvm_mac_config, 6521 .prepare_multicast = iwl_mvm_prepare_multicast, 6522 .configure_filter = iwl_mvm_configure_filter, 6523 .config_iface_filter = iwl_mvm_config_iface_filter, 6524 .bss_info_changed = iwl_mvm_bss_info_changed, 6525 .hw_scan = iwl_mvm_mac_hw_scan, 6526 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6527 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6528 .sta_state = iwl_mvm_mac_sta_state, 6529 .sta_notify = iwl_mvm_mac_sta_notify, 6530 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6531 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6532 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6533 .link_sta_rc_update = iwl_mvm_sta_rc_update, 6534 .conf_tx = iwl_mvm_mac_conf_tx, 6535 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6536 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6537 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6538 .flush = iwl_mvm_mac_flush, 6539 .flush_sta = iwl_mvm_mac_flush_sta, 6540 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6541 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6542 .set_key = iwl_mvm_mac_set_key, 6543 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6544 .remain_on_channel = iwl_mvm_roc, 6545 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6546 .add_chanctx = iwl_mvm_add_chanctx, 6547 .remove_chanctx = iwl_mvm_remove_chanctx, 6548 .change_chanctx = iwl_mvm_change_chanctx, 6549 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6550 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6551 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6552 6553 .start_ap = iwl_mvm_start_ap, 6554 .stop_ap = iwl_mvm_stop_ap, 6555 .join_ibss = iwl_mvm_start_ibss, 6556 .leave_ibss = iwl_mvm_stop_ibss, 6557 6558 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6559 6560 .set_tim = iwl_mvm_set_tim, 6561 6562 .channel_switch = iwl_mvm_channel_switch, 6563 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6564 .post_channel_switch = iwl_mvm_post_channel_switch, 6565 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6566 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6567 6568 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6569 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6570 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6571 6572 .event_callback = iwl_mvm_mac_event_callback, 6573 6574 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6575 6576 #ifdef CONFIG_PM_SLEEP 6577 /* look at d3.c */ 6578 .suspend = iwl_mvm_suspend, 6579 .resume = iwl_mvm_resume, 6580 .set_wakeup = iwl_mvm_set_wakeup, 6581 .set_rekey_data = iwl_mvm_set_rekey_data, 6582 #if IS_ENABLED(CONFIG_IPV6) 6583 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6584 #endif 6585 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6586 #endif 6587 .get_survey = iwl_mvm_mac_get_survey, 6588 .sta_statistics = iwl_mvm_mac_sta_statistics, 6589 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6590 .start_pmsr = iwl_mvm_start_pmsr, 6591 .abort_pmsr = iwl_mvm_abort_pmsr, 6592 6593 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6594 #ifdef CONFIG_IWLWIFI_DEBUGFS 6595 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6596 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6597 #endif 6598 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6599 }; 6600