1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2024 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_MVM_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->dev, mvm->cfg, 150 __le32_to_cpu(resp->n_channels), 151 resp->channels, 152 __le16_to_cpu(resp->mcc), 153 __le16_to_cpu(resp->geo_info), 154 le32_to_cpu(resp->cap), resp_ver); 155 /* Store the return source id */ 156 src_id = resp->source_id; 157 if (IS_ERR_OR_NULL(regd)) { 158 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 159 PTR_ERR_OR_ZERO(regd)); 160 goto out; 161 } 162 163 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 164 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 165 mvm->lar_regdom_set = true; 166 mvm->mcc_src = src_id; 167 168 if (!iwl_puncturing_is_allowed_in_bios(mvm->bios_enable_puncturing, 169 le16_to_cpu(resp->mcc))) 170 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 171 else 172 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 173 174 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 175 176 out: 177 kfree(resp); 178 return regd; 179 } 180 181 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 182 { 183 bool changed; 184 struct ieee80211_regdomain *regd; 185 186 if (!iwl_mvm_is_lar_supported(mvm)) 187 return; 188 189 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 190 if (!IS_ERR_OR_NULL(regd)) { 191 /* only update the regulatory core if changed */ 192 if (changed) 193 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 194 195 kfree(regd); 196 } 197 } 198 199 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 200 bool *changed) 201 { 202 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 203 iwl_mvm_is_wifi_mcc_supported(mvm) ? 204 MCC_SOURCE_GET_CURRENT : 205 MCC_SOURCE_OLD_FW, changed); 206 } 207 208 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 209 { 210 enum iwl_mcc_source used_src; 211 struct ieee80211_regdomain *regd; 212 int ret; 213 bool changed; 214 const struct ieee80211_regdomain *r = 215 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 216 217 if (!r) 218 return -ENOENT; 219 220 /* save the last source in case we overwrite it below */ 221 used_src = mvm->mcc_src; 222 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 223 /* Notify the firmware we support wifi location updates */ 224 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 225 if (!IS_ERR_OR_NULL(regd)) 226 kfree(regd); 227 } 228 229 /* Now set our last stored MCC and source */ 230 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 231 &changed); 232 if (IS_ERR_OR_NULL(regd)) 233 return -EIO; 234 235 /* update cfg80211 if the regdomain was changed or the caller explicitly 236 * asked to update regdomain 237 */ 238 if (changed || force_regd_sync) 239 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 240 else 241 ret = 0; 242 243 kfree(regd); 244 return ret; 245 } 246 247 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 248 static const u8 he_if_types_ext_capa_sta[] = { 249 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 250 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 251 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 252 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 253 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 254 }; 255 256 static const u8 tm_if_types_ext_capa_sta[] = { 257 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 258 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 259 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 260 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 261 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 262 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 263 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 264 }; 265 266 /* Additional interface types for which extended capabilities are 267 * specified separately 268 */ 269 270 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 271 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 272 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 273 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 274 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 275 #define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \ 276 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 277 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) 278 279 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 280 { 281 .iftype = NL80211_IFTYPE_STATION, 282 .extended_capabilities = he_if_types_ext_capa_sta, 283 .extended_capabilities_mask = he_if_types_ext_capa_sta, 284 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 285 /* relevant only if EHT is supported */ 286 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 287 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 288 }, 289 { 290 .iftype = NL80211_IFTYPE_STATION, 291 .extended_capabilities = tm_if_types_ext_capa_sta, 292 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 293 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 294 /* relevant only if EHT is supported */ 295 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 296 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 297 }, 298 }; 299 300 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 301 { 302 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 303 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 304 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 305 return 0; 306 } 307 308 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 309 { 310 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 311 312 /* This has been tested on those devices only */ 313 if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 314 mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000) 315 return -EOPNOTSUPP; 316 317 if (!mvm->nvm_data) 318 return -EBUSY; 319 320 /* mac80211 ensures the device is not started, 321 * so the firmware cannot be running 322 */ 323 324 mvm->set_tx_ant = tx_ant; 325 mvm->set_rx_ant = rx_ant; 326 327 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 328 329 return 0; 330 } 331 332 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 333 { 334 struct ieee80211_hw *hw = mvm->hw; 335 int num_mac, ret, i; 336 static const u32 mvm_ciphers[] = { 337 WLAN_CIPHER_SUITE_WEP40, 338 WLAN_CIPHER_SUITE_WEP104, 339 WLAN_CIPHER_SUITE_TKIP, 340 WLAN_CIPHER_SUITE_CCMP, 341 }; 342 #ifdef CONFIG_PM_SLEEP 343 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 344 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 345 #endif 346 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 347 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 348 349 /* Tell mac80211 our characteristics */ 350 ieee80211_hw_set(hw, SIGNAL_DBM); 351 ieee80211_hw_set(hw, SPECTRUM_MGMT); 352 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 353 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 354 ieee80211_hw_set(hw, SUPPORTS_PS); 355 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 356 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 357 ieee80211_hw_set(hw, CONNECTION_MONITOR); 358 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 359 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 360 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 361 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 362 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 363 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 364 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 365 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 366 367 /* Set this early since we need to have it for the check below */ 368 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 369 !iwlwifi_mod_params.disable_11ax && 370 !iwlwifi_mod_params.disable_11be) { 371 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 372 /* we handle this already earlier, but need it for MLO */ 373 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 374 } 375 376 /* With MLD FW API, it tracks timing by itself, 377 * no need for any timing from the host 378 */ 379 if (!mvm->mld_api_is_used) 380 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 381 382 /* 383 * On older devices, enabling TX A-MSDU occasionally leads to 384 * something getting messed up, the command read from the FIFO 385 * gets out of sync and isn't a TX command, so that we have an 386 * assert EDC. 387 * 388 * It's not clear where the bug is, but since we didn't used to 389 * support A-MSDU until moving the mac80211 iTXQs, just leave it 390 * for older devices. We also don't see this issue on any newer 391 * devices. 392 */ 393 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 394 ieee80211_hw_set(hw, TX_AMSDU); 395 ieee80211_hw_set(hw, TX_FRAG_LIST); 396 397 if (iwl_mvm_has_tlc_offload(mvm)) { 398 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 399 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 400 } 401 402 /* We want to use the mac80211's reorder buffer for 9000 */ 403 if (iwl_mvm_has_new_rx_api(mvm) && 404 mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000) 405 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 406 407 if (fw_has_capa(&mvm->fw->ucode_capa, 408 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 409 ieee80211_hw_set(hw, AP_LINK_PS); 410 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 411 /* 412 * we absolutely need this for the new TX API since that comes 413 * with many more queues than the current code can deal with 414 * for station powersave 415 */ 416 return -EINVAL; 417 } 418 419 if (mvm->trans->num_rx_queues > 1) 420 ieee80211_hw_set(hw, USES_RSS); 421 422 if (mvm->trans->max_skb_frags) 423 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 424 425 hw->queues = IEEE80211_NUM_ACS; 426 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 427 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 428 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 429 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 430 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 431 432 hw->radiotap_timestamp.units_pos = 433 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 434 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 435 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 436 hw->radiotap_timestamp.accuracy = 22; 437 438 if (!iwl_mvm_has_tlc_offload(mvm)) 439 hw->rate_control_algorithm = RS_NAME; 440 441 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 442 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 443 hw->max_tx_fragments = mvm->trans->max_skb_frags; 444 445 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 446 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 447 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 448 hw->wiphy->cipher_suites = mvm->ciphers; 449 450 if (iwl_mvm_has_new_rx_api(mvm)) { 451 mvm->ciphers[hw->wiphy->n_cipher_suites] = 452 WLAN_CIPHER_SUITE_GCMP; 453 hw->wiphy->n_cipher_suites++; 454 mvm->ciphers[hw->wiphy->n_cipher_suites] = 455 WLAN_CIPHER_SUITE_GCMP_256; 456 hw->wiphy->n_cipher_suites++; 457 } 458 459 if (iwlwifi_mod_params.swcrypto) 460 IWL_ERR(mvm, 461 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 462 if (!iwlwifi_mod_params.bt_coex_active) 463 IWL_ERR(mvm, 464 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 465 466 ieee80211_hw_set(hw, MFP_CAPABLE); 467 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 468 hw->wiphy->n_cipher_suites++; 469 if (iwl_mvm_has_new_rx_api(mvm)) { 470 mvm->ciphers[hw->wiphy->n_cipher_suites] = 471 WLAN_CIPHER_SUITE_BIP_GMAC_128; 472 hw->wiphy->n_cipher_suites++; 473 mvm->ciphers[hw->wiphy->n_cipher_suites] = 474 WLAN_CIPHER_SUITE_BIP_GMAC_256; 475 hw->wiphy->n_cipher_suites++; 476 } 477 478 wiphy_ext_feature_set(hw->wiphy, 479 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 480 wiphy_ext_feature_set(hw->wiphy, 481 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 482 483 if (fw_has_capa(&mvm->fw->ucode_capa, 484 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 485 wiphy_ext_feature_set(hw->wiphy, 486 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 487 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 488 } 489 490 if (sec_key_ver && 491 fw_has_capa(&mvm->fw->ucode_capa, 492 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 493 wiphy_ext_feature_set(hw->wiphy, 494 NL80211_EXT_FEATURE_BEACON_PROTECTION); 495 else if (fw_has_capa(&mvm->fw->ucode_capa, 496 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 497 wiphy_ext_feature_set(hw->wiphy, 498 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 499 500 if (fw_has_capa(&mvm->fw->ucode_capa, 501 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 502 hw->wiphy->hw_timestamp_max_peers = 1; 503 504 if (fw_has_capa(&mvm->fw->ucode_capa, 505 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 506 wiphy_ext_feature_set(hw->wiphy, 507 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 508 509 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 510 hw->wiphy->features |= 511 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 512 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 513 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 514 515 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 516 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 517 hw->chanctx_data_size = sizeof(u16); 518 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 519 520 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 521 BIT(NL80211_IFTYPE_P2P_CLIENT) | 522 BIT(NL80211_IFTYPE_AP) | 523 BIT(NL80211_IFTYPE_P2P_GO) | 524 BIT(NL80211_IFTYPE_P2P_DEVICE) | 525 BIT(NL80211_IFTYPE_ADHOC); 526 527 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 528 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 529 530 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 531 * the hw, preventing us to control which key(id) to use per MPDU. 532 * Till that's fixed we can't use Extended Key ID for the newer cards. 533 */ 534 if (!iwl_mvm_has_new_tx_api(mvm)) 535 wiphy_ext_feature_set(hw->wiphy, 536 NL80211_EXT_FEATURE_EXT_KEY_ID); 537 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 538 539 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 540 if (iwl_mvm_is_lar_supported(mvm)) 541 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 542 else 543 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 544 REGULATORY_DISABLE_BEACON_HINTS; 545 546 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 547 wiphy_ext_feature_set(hw->wiphy, 548 NL80211_EXT_FEATURE_DFS_CONCURRENT); 549 550 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 551 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 552 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 553 554 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 555 hw->wiphy->n_iface_combinations = 556 ARRAY_SIZE(iwl_mvm_iface_combinations); 557 558 hw->wiphy->max_remain_on_channel_duration = 10000; 559 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 560 561 /* Extract MAC address */ 562 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 563 hw->wiphy->addresses = mvm->addresses; 564 hw->wiphy->n_addresses = 1; 565 566 /* Extract additional MAC addresses if available */ 567 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 568 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 569 570 for (i = 1; i < num_mac; i++) { 571 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 572 ETH_ALEN); 573 mvm->addresses[i].addr[5]++; 574 hw->wiphy->n_addresses++; 575 } 576 577 iwl_mvm_reset_phy_ctxts(mvm); 578 579 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 580 581 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 582 583 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 584 BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 585 IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 586 587 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 588 mvm->max_scans = IWL_MAX_UMAC_SCANS; 589 else 590 mvm->max_scans = IWL_MAX_LMAC_SCANS; 591 592 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 593 hw->wiphy->bands[NL80211_BAND_2GHZ] = 594 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 595 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 596 hw->wiphy->bands[NL80211_BAND_5GHZ] = 597 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 598 599 if (fw_has_capa(&mvm->fw->ucode_capa, 600 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 601 fw_has_api(&mvm->fw->ucode_capa, 602 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 603 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 604 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 605 } 606 if (fw_has_capa(&mvm->fw->ucode_capa, 607 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 608 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 609 hw->wiphy->bands[NL80211_BAND_6GHZ] = 610 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 611 612 hw->wiphy->hw_version = mvm->trans->hw_id; 613 614 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 615 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 616 else 617 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 618 619 hw->wiphy->max_sched_scan_reqs = 1; 620 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 621 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 622 /* we create the 802.11 header and zero length SSID IE. */ 623 hw->wiphy->max_sched_scan_ie_len = 624 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 625 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 626 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 627 628 /* 629 * the firmware uses u8 for num of iterations, but 0xff is saved for 630 * infinite loop, so the maximum number of iterations is actually 254. 631 */ 632 hw->wiphy->max_sched_scan_plan_iterations = 254; 633 634 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 635 NL80211_FEATURE_LOW_PRIORITY_SCAN | 636 NL80211_FEATURE_P2P_GO_OPPPS | 637 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 638 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 639 640 /* when firmware supports RLC/SMPS offload, do not set these 641 * driver features, since it's no longer supported by driver. 642 */ 643 if (!iwl_mvm_has_rlc_offload(mvm)) 644 hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS | 645 NL80211_FEATURE_DYNAMIC_SMPS; 646 647 if (fw_has_capa(&mvm->fw->ucode_capa, 648 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 649 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 650 if (fw_has_capa(&mvm->fw->ucode_capa, 651 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 652 hw->wiphy->features |= NL80211_FEATURE_QUIET; 653 654 if (fw_has_capa(&mvm->fw->ucode_capa, 655 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 656 hw->wiphy->features |= 657 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 658 659 if (fw_has_capa(&mvm->fw->ucode_capa, 660 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 661 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 662 663 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 664 IWL_FW_CMD_VER_UNKNOWN) >= 3) 665 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 666 667 if (fw_has_api(&mvm->fw->ucode_capa, 668 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 669 wiphy_ext_feature_set(hw->wiphy, 670 NL80211_EXT_FEATURE_SCAN_START_TIME); 671 wiphy_ext_feature_set(hw->wiphy, 672 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 673 } 674 675 if (iwl_mvm_is_oce_supported(mvm)) { 676 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 677 678 wiphy_ext_feature_set(hw->wiphy, 679 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 680 wiphy_ext_feature_set(hw->wiphy, 681 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 682 wiphy_ext_feature_set(hw->wiphy, 683 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 684 685 /* Old firmware also supports probe deferral and suppression */ 686 if (scan_ver < 15) 687 wiphy_ext_feature_set(hw->wiphy, 688 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 689 } 690 691 hw->wiphy->iftype_ext_capab = NULL; 692 hw->wiphy->num_iftype_ext_capab = 0; 693 694 if (mvm->nvm_data->sku_cap_11ax_enable && 695 !iwlwifi_mod_params.disable_11ax) { 696 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 697 hw->wiphy->num_iftype_ext_capab = 698 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 699 700 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 701 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 702 } 703 704 if (iwl_fw_lookup_cmd_ver(mvm->fw, 705 WIDE_ID(DATA_PATH_GROUP, 706 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 707 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 708 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 709 710 if (!hw->wiphy->iftype_ext_capab) { 711 hw->wiphy->num_iftype_ext_capab = 1; 712 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 713 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 714 } else { 715 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 716 } 717 } 718 719 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 720 TOF_RANGE_REQ_CMD), 721 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 722 wiphy_ext_feature_set(hw->wiphy, 723 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 724 725 if (fw_has_capa(&mvm->fw->ucode_capa, 726 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 727 wiphy_ext_feature_set(hw->wiphy, 728 NL80211_EXT_FEATURE_SECURE_LTF); 729 } 730 731 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 732 733 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 734 735 #ifdef CONFIG_PM_SLEEP 736 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 737 device_can_wakeup(mvm->trans->dev)) { 738 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 739 WIPHY_WOWLAN_DISCONNECT | 740 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 741 WIPHY_WOWLAN_RFKILL_RELEASE | 742 WIPHY_WOWLAN_NET_DETECT; 743 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 744 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 745 WIPHY_WOWLAN_4WAY_HANDSHAKE; 746 747 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 748 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 749 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 750 mvm->wowlan.max_nd_match_sets = 751 iwl_umac_scan_get_max_profiles(mvm->fw); 752 hw->wiphy->wowlan = &mvm->wowlan; 753 } 754 #endif 755 756 ret = iwl_mvm_leds_init(mvm); 757 if (ret) 758 return ret; 759 760 if (fw_has_capa(&mvm->fw->ucode_capa, 761 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 762 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 763 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 764 ieee80211_hw_set(hw, TDLS_WIDER_BW); 765 } 766 767 if (fw_has_capa(&mvm->fw->ucode_capa, 768 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 769 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 770 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 771 } 772 773 hw->netdev_features |= mvm->cfg->features; 774 if (!iwl_mvm_is_csum_supported(mvm)) 775 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 776 777 if (mvm->cfg->vht_mu_mimo_supported) 778 wiphy_ext_feature_set(hw->wiphy, 779 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 780 781 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 782 wiphy_ext_feature_set(hw->wiphy, 783 NL80211_EXT_FEATURE_PROTECTED_TWT); 784 785 iwl_mvm_vendor_cmds_register(mvm); 786 787 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 788 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 789 790 ret = ieee80211_register_hw(mvm->hw); 791 if (ret) { 792 iwl_mvm_leds_exit(mvm); 793 } 794 795 return ret; 796 } 797 798 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 799 struct ieee80211_sta *sta) 800 { 801 if (likely(sta)) { 802 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 803 return; 804 } else { 805 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 806 return; 807 } 808 809 ieee80211_free_txskb(mvm->hw, skb); 810 } 811 812 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 813 struct ieee80211_tx_control *control, struct sk_buff *skb) 814 { 815 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 816 struct ieee80211_sta *sta = control->sta; 817 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 818 struct ieee80211_hdr *hdr = (void *)skb->data; 819 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 820 IEEE80211_TX_CTL_TX_OFFCHAN; 821 u32 link_id = u32_get_bits(info->control.flags, 822 IEEE80211_TX_CTRL_MLO_LINK); 823 struct ieee80211_sta *tmp_sta = sta; 824 825 if (iwl_mvm_is_radio_killed(mvm)) { 826 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 827 goto drop; 828 } 829 830 if (offchannel && 831 !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) && 832 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 833 goto drop; 834 835 /* 836 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 837 * so we treat the others as broadcast 838 */ 839 if (ieee80211_is_mgmt(hdr->frame_control)) 840 sta = NULL; 841 842 /* this shouldn't even happen: just drop */ 843 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 844 !offchannel) 845 goto drop; 846 847 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 848 !ieee80211_is_probe_resp(hdr->frame_control)) { 849 /* translate MLD addresses to LINK addresses */ 850 struct ieee80211_link_sta *link_sta = 851 rcu_dereference(tmp_sta->link[link_id]); 852 struct ieee80211_bss_conf *link_conf = 853 rcu_dereference(info->control.vif->link_conf[link_id]); 854 struct ieee80211_mgmt *mgmt; 855 856 if (WARN_ON(!link_sta || !link_conf)) 857 goto drop; 858 859 /* if sta is NULL, the frame is a management frame */ 860 mgmt = (void *)hdr; 861 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 862 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 863 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 864 } 865 866 iwl_mvm_tx_skb(mvm, skb, sta); 867 return; 868 drop: 869 ieee80211_free_txskb(hw, skb); 870 } 871 872 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 873 { 874 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 875 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 876 struct sk_buff *skb = NULL; 877 878 /* 879 * No need for threads to be pending here, they can leave the first 880 * taker all the work. 881 * 882 * mvmtxq->tx_request logic: 883 * 884 * If 0, no one is currently TXing, set to 1 to indicate current thread 885 * will now start TX and other threads should quit. 886 * 887 * If 1, another thread is currently TXing, set to 2 to indicate to 888 * that thread that there was another request. Since that request may 889 * have raced with the check whether the queue is empty, the TXing 890 * thread should check the queue's status one more time before leaving. 891 * This check is done in order to not leave any TX hanging in the queue 892 * until the next TX invocation (which may not even happen). 893 * 894 * If 2, another thread is currently TXing, and it will already double 895 * check the queue, so do nothing. 896 */ 897 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 898 return; 899 900 rcu_read_lock(); 901 do { 902 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 903 &mvmtxq->state) && 904 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 905 &mvmtxq->state) && 906 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 907 &mvmtxq->state) && 908 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 909 skb = ieee80211_tx_dequeue(hw, txq); 910 911 if (!skb) { 912 if (txq->sta) 913 IWL_DEBUG_TX(mvm, 914 "TXQ of sta %pM tid %d is now empty\n", 915 txq->sta->addr, 916 txq->tid); 917 break; 918 } 919 920 iwl_mvm_tx_skb(mvm, skb, txq->sta); 921 } 922 } while (atomic_dec_return(&mvmtxq->tx_request)); 923 rcu_read_unlock(); 924 } 925 926 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 927 struct ieee80211_txq *txq) 928 { 929 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 930 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 931 932 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 933 !txq->sta) { 934 iwl_mvm_mac_itxq_xmit(hw, txq); 935 return; 936 } 937 938 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 939 * to handle any packets we leave on the txq now 940 */ 941 942 spin_lock_bh(&mvm->add_stream_lock); 943 /* The list is being deleted only after the queue is fully allocated. */ 944 if (list_empty(&mvmtxq->list) && 945 /* recheck under lock */ 946 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 947 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 948 schedule_work(&mvm->add_stream_wk); 949 } 950 spin_unlock_bh(&mvm->add_stream_lock); 951 } 952 953 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 954 do { \ 955 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 956 break; \ 957 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 958 } while (0) 959 960 static void 961 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 962 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 963 enum ieee80211_ampdu_mlme_action action) 964 { 965 struct iwl_fw_dbg_trigger_tlv *trig; 966 struct iwl_fw_dbg_trigger_ba *ba_trig; 967 968 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 969 FW_DBG_TRIGGER_BA); 970 if (!trig) 971 return; 972 973 ba_trig = (void *)trig->data; 974 975 switch (action) { 976 case IEEE80211_AMPDU_TX_OPERATIONAL: { 977 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 978 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 979 980 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 981 "TX AGG START: MAC %pM tid %d ssn %d\n", 982 sta->addr, tid, tid_data->ssn); 983 break; 984 } 985 case IEEE80211_AMPDU_TX_STOP_CONT: 986 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 987 "TX AGG STOP: MAC %pM tid %d\n", 988 sta->addr, tid); 989 break; 990 case IEEE80211_AMPDU_RX_START: 991 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 992 "RX AGG START: MAC %pM tid %d ssn %d\n", 993 sta->addr, tid, rx_ba_ssn); 994 break; 995 case IEEE80211_AMPDU_RX_STOP: 996 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 997 "RX AGG STOP: MAC %pM tid %d\n", 998 sta->addr, tid); 999 break; 1000 default: 1001 break; 1002 } 1003 } 1004 1005 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1006 struct ieee80211_vif *vif, 1007 struct ieee80211_ampdu_params *params) 1008 { 1009 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1010 int ret; 1011 struct ieee80211_sta *sta = params->sta; 1012 enum ieee80211_ampdu_mlme_action action = params->action; 1013 u16 tid = params->tid; 1014 u16 *ssn = ¶ms->ssn; 1015 u16 buf_size = params->buf_size; 1016 bool amsdu = params->amsdu; 1017 u16 timeout = params->timeout; 1018 1019 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1020 sta->addr, tid, action); 1021 1022 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1023 return -EACCES; 1024 1025 mutex_lock(&mvm->mutex); 1026 1027 switch (action) { 1028 case IEEE80211_AMPDU_RX_START: 1029 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1030 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1031 struct iwl_mvm_vif *mvmvif; 1032 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1033 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1034 1035 mdata->opened_rx_ba_sessions = true; 1036 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1037 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1038 } 1039 if (!iwl_enable_rx_ampdu()) { 1040 ret = -EINVAL; 1041 break; 1042 } 1043 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1044 timeout); 1045 break; 1046 case IEEE80211_AMPDU_RX_STOP: 1047 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1048 timeout); 1049 break; 1050 case IEEE80211_AMPDU_TX_START: 1051 if (!iwl_enable_tx_ampdu()) { 1052 ret = -EINVAL; 1053 break; 1054 } 1055 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1056 break; 1057 case IEEE80211_AMPDU_TX_STOP_CONT: 1058 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1059 break; 1060 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1061 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1062 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1063 break; 1064 case IEEE80211_AMPDU_TX_OPERATIONAL: 1065 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1066 buf_size, amsdu); 1067 break; 1068 default: 1069 WARN_ON_ONCE(1); 1070 ret = -EINVAL; 1071 break; 1072 } 1073 1074 if (!ret) { 1075 u16 rx_ba_ssn = 0; 1076 1077 if (action == IEEE80211_AMPDU_RX_START) 1078 rx_ba_ssn = *ssn; 1079 1080 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1081 rx_ba_ssn, action); 1082 } 1083 mutex_unlock(&mvm->mutex); 1084 1085 return ret; 1086 } 1087 1088 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1089 struct ieee80211_vif *vif) 1090 { 1091 struct iwl_mvm *mvm = data; 1092 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1093 struct iwl_probe_resp_data *probe_data; 1094 unsigned int link_id; 1095 1096 mvmvif->uploaded = false; 1097 1098 spin_lock_bh(&mvm->time_event_lock); 1099 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1100 spin_unlock_bh(&mvm->time_event_lock); 1101 1102 mvmvif->roc_activity = ROC_NUM_ACTIVITIES; 1103 1104 mvmvif->bf_enabled = false; 1105 mvmvif->ba_enabled = false; 1106 mvmvif->ap_sta = NULL; 1107 1108 mvmvif->esr_active = false; 1109 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1110 1111 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1112 mvmvif->link[link_id]->ap_sta_id = IWL_INVALID_STA; 1113 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1114 mvmvif->link[link_id]->phy_ctxt = NULL; 1115 mvmvif->link[link_id]->active = 0; 1116 mvmvif->link[link_id]->igtk = NULL; 1117 memset(&mvmvif->link[link_id]->bf_data, 0, 1118 sizeof(mvmvif->link[link_id]->bf_data)); 1119 } 1120 1121 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1122 lockdep_is_held(&mvm->mutex)); 1123 if (probe_data) 1124 kfree_rcu(probe_data, rcu_head); 1125 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1126 } 1127 1128 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1129 { 1130 struct iwl_mvm *mvm = data; 1131 struct iwl_mvm_sta *mvm_sta; 1132 struct ieee80211_vif *vif; 1133 int link_id; 1134 1135 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1136 vif = mvm_sta->vif; 1137 1138 if (!sta->valid_links) 1139 return; 1140 1141 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1142 struct iwl_mvm_link_sta *mvm_link_sta; 1143 1144 mvm_link_sta = 1145 rcu_dereference_check(mvm_sta->link[link_id], 1146 lockdep_is_held(&mvm->mutex)); 1147 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1148 /* 1149 * We have a link STA but the link is inactive in 1150 * mac80211. This will happen if we failed to 1151 * deactivate the link but mac80211 roll back the 1152 * deactivation of the link. 1153 * Delete the stale data to avoid issues later on. 1154 */ 1155 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1156 link_id); 1157 } 1158 } 1159 } 1160 1161 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1162 { 1163 iwl_mvm_stop_device(mvm); 1164 1165 mvm->cur_aid = 0; 1166 1167 mvm->scan_status = 0; 1168 mvm->ps_disabled = false; 1169 mvm->rfkill_safe_init_done = false; 1170 1171 /* just in case one was running */ 1172 iwl_mvm_cleanup_roc_te(mvm); 1173 ieee80211_remain_on_channel_expired(mvm->hw); 1174 1175 iwl_mvm_ftm_restart(mvm); 1176 1177 /* 1178 * cleanup all interfaces, even inactive ones, as some might have 1179 * gone down during the HW restart 1180 */ 1181 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1182 1183 /* cleanup stations as links may be gone after restart */ 1184 ieee80211_iterate_stations_atomic(mvm->hw, 1185 iwl_mvm_cleanup_sta_iterator, mvm); 1186 1187 mvm->p2p_device_vif = NULL; 1188 1189 iwl_mvm_reset_phy_ctxts(mvm); 1190 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1191 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1192 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1193 1194 ieee80211_wake_queues(mvm->hw); 1195 1196 mvm->rx_ba_sessions = 0; 1197 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1198 mvm->monitor_on = false; 1199 #ifdef CONFIG_IWLWIFI_DEBUGFS 1200 mvm->beacon_inject_active = false; 1201 #endif 1202 1203 /* keep statistics ticking */ 1204 iwl_mvm_accu_radio_stats(mvm); 1205 } 1206 1207 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1208 { 1209 bool fast_resume = false; 1210 int ret; 1211 1212 lockdep_assert_held(&mvm->mutex); 1213 1214 ret = iwl_mvm_mei_get_ownership(mvm); 1215 if (ret) 1216 return ret; 1217 1218 if (mvm->mei_nvm_data) { 1219 /* We got the NIC, we can now free the MEI NVM data */ 1220 kfree(mvm->mei_nvm_data); 1221 mvm->mei_nvm_data = NULL; 1222 1223 /* 1224 * We can't free the nvm_data we allocated based on the SAP 1225 * data because we registered to cfg80211 with the channels 1226 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1227 * just in order to be able free it later. 1228 * NULLify nvm_data so that we will read the NVM from the 1229 * firmware this time. 1230 */ 1231 mvm->temp_nvm_data = mvm->nvm_data; 1232 mvm->nvm_data = NULL; 1233 } 1234 1235 #ifdef CONFIG_PM_SLEEP 1236 /* fast_resume will be cleared by iwl_mvm_fast_resume */ 1237 fast_resume = mvm->fast_resume; 1238 1239 if (fast_resume) { 1240 iwl_mvm_mei_device_state(mvm, true); 1241 ret = iwl_mvm_fast_resume(mvm); 1242 if (ret) { 1243 iwl_mvm_stop_device(mvm); 1244 /* iwl_mvm_up() will be called further down */ 1245 } else { 1246 /* 1247 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1248 * mac_down() so that debugfs will stop honoring 1249 * requests after we flush all the workers. 1250 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1251 * now that we are back. This is a bit abusing the 1252 * flag since the firmware wasn't really ever stopped, 1253 * but this still serves the purpose. 1254 */ 1255 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1256 } 1257 } 1258 #endif /* CONFIG_PM_SLEEP */ 1259 1260 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1261 /* 1262 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1263 * so later code will - from now on - see that we're doing it. 1264 */ 1265 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1266 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1267 /* Clean up some internal and mac80211 state on restart */ 1268 iwl_mvm_restart_cleanup(mvm); 1269 } 1270 1271 /* we also want to load the firmware if fast_resume failed */ 1272 if (!fast_resume || ret) 1273 ret = iwl_mvm_up(mvm); 1274 1275 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1276 NULL); 1277 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1278 NULL); 1279 1280 mvm->last_reset_or_resume_time_jiffies = jiffies; 1281 1282 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1283 /* Something went wrong - we need to finish some cleanup 1284 * that normally iwl_mvm_mac_restart_complete() below 1285 * would do. 1286 */ 1287 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1288 } 1289 1290 return ret; 1291 } 1292 1293 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1294 { 1295 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1296 int ret; 1297 int retry, max_retry = 0; 1298 1299 mutex_lock(&mvm->mutex); 1300 1301 /* we are starting the mac not in error flow, and restart is enabled */ 1302 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1303 iwlwifi_mod_params.fw_restart) 1304 max_retry = IWL_MAX_INIT_RETRY; 1305 1306 for (retry = 0; retry <= max_retry; retry++) { 1307 ret = __iwl_mvm_mac_start(mvm); 1308 if (ret != -ETIMEDOUT) 1309 break; 1310 1311 IWL_ERR(mvm, "mac start retry %d\n", retry); 1312 } 1313 1314 mutex_unlock(&mvm->mutex); 1315 1316 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1317 1318 return ret; 1319 } 1320 1321 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1322 { 1323 int ret; 1324 1325 guard(mvm)(mvm); 1326 1327 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1328 1329 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1330 if (ret) 1331 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1332 ret); 1333 1334 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1335 1336 /* 1337 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1338 * of packets the FW sent out, so we must reconnect. 1339 */ 1340 iwl_mvm_teardown_tdls_peers(mvm); 1341 1342 IWL_INFO(mvm, "restart completed\n"); 1343 iwl_trans_finish_sw_reset(mvm->trans); 1344 1345 /* no need to lock, adding in parallel would schedule too */ 1346 if (!list_empty(&mvm->add_stream_txqs)) 1347 schedule_work(&mvm->add_stream_wk); 1348 } 1349 1350 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1351 enum ieee80211_reconfig_type reconfig_type) 1352 { 1353 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1354 1355 switch (reconfig_type) { 1356 case IEEE80211_RECONFIG_TYPE_RESTART: 1357 iwl_mvm_restart_complete(mvm); 1358 break; 1359 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1360 break; 1361 } 1362 } 1363 1364 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1365 { 1366 lockdep_assert_held(&mvm->mutex); 1367 1368 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1369 1370 /* firmware counters are obviously reset now, but we shouldn't 1371 * partially track so also clear the fw_reset_accu counters. 1372 */ 1373 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1374 1375 /* async_handlers_wk is now blocked */ 1376 1377 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1378 iwl_mvm_rm_aux_sta(mvm); 1379 1380 if (suspend && 1381 mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) { 1382 iwl_mvm_fast_suspend(mvm); 1383 /* From this point on, we won't touch the device */ 1384 iwl_mvm_mei_device_state(mvm, false); 1385 } else { 1386 iwl_mvm_stop_device(mvm); 1387 } 1388 1389 iwl_mvm_async_handlers_purge(mvm); 1390 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1391 1392 /* 1393 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1394 * hw (as restart_complete() won't be called in this case) and mac80211 1395 * won't execute the restart. 1396 * But make sure to cleanup interfaces that have gone down before/during 1397 * HW restart was requested. 1398 */ 1399 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1400 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1401 &mvm->status)) 1402 ieee80211_iterate_interfaces(mvm->hw, 0, 1403 iwl_mvm_cleanup_iterator, mvm); 1404 1405 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1406 * make sure there's nothing left there and warn if any is found. 1407 */ 1408 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1409 int i; 1410 1411 for (i = 0; i < mvm->max_scans; i++) { 1412 if (WARN_ONCE(mvm->scan_uid_status[i], 1413 "UMAC scan UID %d status was not cleaned\n", 1414 i)) 1415 mvm->scan_uid_status[i] = 0; 1416 } 1417 } 1418 } 1419 1420 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1421 { 1422 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1423 1424 /* Stop internal MLO scan, if running */ 1425 mutex_lock(&mvm->mutex); 1426 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1427 mutex_unlock(&mvm->mutex); 1428 1429 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1430 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1431 flush_work(&mvm->async_handlers_wk); 1432 flush_work(&mvm->add_stream_wk); 1433 1434 /* 1435 * Lock and clear the firmware running bit here already, so that 1436 * new commands coming in elsewhere, e.g. from debugfs, will not 1437 * be able to proceed. This is important here because one of those 1438 * debugfs files causes the firmware dump to be triggered, and if we 1439 * don't stop debugfs accesses before canceling that it could be 1440 * retriggered after we flush it but before we've cleared the bit. 1441 */ 1442 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1443 1444 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1445 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1446 1447 /* 1448 * The work item could be running or queued if the 1449 * ROC time event stops just as we get here. 1450 */ 1451 flush_work(&mvm->roc_done_wk); 1452 1453 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1454 1455 mutex_lock(&mvm->mutex); 1456 __iwl_mvm_mac_stop(mvm, suspend); 1457 mutex_unlock(&mvm->mutex); 1458 1459 /* 1460 * The worker might have been waiting for the mutex, let it run and 1461 * discover that its list is now empty. 1462 */ 1463 cancel_work_sync(&mvm->async_handlers_wk); 1464 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1465 } 1466 1467 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1468 { 1469 u16 i; 1470 1471 lockdep_assert_held(&mvm->mutex); 1472 1473 for (i = 0; i < NUM_PHY_CTX; i++) 1474 if (!mvm->phy_ctxts[i].ref) 1475 return &mvm->phy_ctxts[i]; 1476 1477 IWL_ERR(mvm, "No available PHY context\n"); 1478 return NULL; 1479 } 1480 1481 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, 1482 struct ieee80211_bss_conf *link_conf, 1483 s16 tx_power) 1484 { 1485 u32 cmd_id = REDUCE_TX_POWER_CMD; 1486 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(link_conf->vif); 1487 u32 mac_id = mvmvif->id; 1488 int len; 1489 struct iwl_dev_tx_power_cmd_v3_v8 cmd = { 1490 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK), 1491 .common.link_id = cpu_to_le32(mac_id), 1492 }; 1493 struct iwl_dev_tx_power_cmd cmd_v9_v10; 1494 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 3); 1495 u16 u_tx_power = tx_power == IWL_DEFAULT_MAX_TX_POWER ? 1496 IWL_DEV_MAX_TX_POWER : 8 * tx_power; 1497 void *cmd_data = &cmd; 1498 1499 cmd.common.pwr_restriction = cpu_to_le16(u_tx_power); 1500 1501 if (cmd_ver > 8) { 1502 u32 link_id; 1503 1504 if (WARN_ON(!mvmvif->link[link_conf->link_id])) 1505 return -ENODEV; 1506 1507 link_id = mvmvif->link[link_conf->link_id]->fw_link_id; 1508 1509 /* Those fields sit on the same place for v9 and v10 */ 1510 cmd_v9_v10.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_LINK); 1511 cmd_v9_v10.common.link_id = cpu_to_le32(link_id); 1512 cmd_v9_v10.common.pwr_restriction = cpu_to_le16(u_tx_power); 1513 cmd_data = &cmd_v9_v10; 1514 } 1515 1516 if (cmd_ver == 10) 1517 len = sizeof(cmd_v9_v10.v10); 1518 else if (cmd_ver == 9) 1519 len = sizeof(cmd_v9_v10.v9); 1520 else if (cmd_ver == 8) 1521 len = sizeof(cmd.v8); 1522 else if (cmd_ver == 7) 1523 len = sizeof(cmd.v7); 1524 else if (cmd_ver == 6) 1525 len = sizeof(cmd.v6); 1526 else if (fw_has_api(&mvm->fw->ucode_capa, 1527 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1528 len = sizeof(cmd.v5); 1529 else if (fw_has_capa(&mvm->fw->ucode_capa, 1530 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1531 len = sizeof(cmd.v4); 1532 else 1533 len = sizeof(cmd.v3); 1534 1535 /* all structs have the same common part, add its length */ 1536 len += sizeof(cmd.common); 1537 1538 if (cmd_ver < 9) 1539 len += sizeof(cmd.per_band); 1540 1541 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, cmd_data); 1542 1543 } 1544 1545 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1546 { 1547 struct ieee80211_hw *hw = data; 1548 int i; 1549 1550 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1551 struct iwl_mvm_txq *mvmtxq = 1552 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1553 1554 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1555 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1556 } 1557 } 1558 1559 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1560 struct ieee80211_vif *vif, 1561 struct ieee80211_bss_conf *link_conf) 1562 { 1563 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1564 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1565 int ret; 1566 1567 mutex_lock(&mvm->mutex); 1568 1569 if (vif->type == NL80211_IFTYPE_STATION) { 1570 struct iwl_mvm_sta *mvmsta; 1571 unsigned int link_id = link_conf->link_id; 1572 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1573 1574 mvmvif->csa_bcn_pending = false; 1575 mvmvif->csa_blocks_tx = false; 1576 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1577 1578 if (WARN_ON(!mvmsta)) { 1579 ret = -EIO; 1580 goto out_unlock; 1581 } 1582 1583 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1584 if (mvm->mld_api_is_used) 1585 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1586 else 1587 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1588 1589 if (!fw_has_capa(&mvm->fw->ucode_capa, 1590 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1591 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1592 if (ret) 1593 goto out_unlock; 1594 1595 iwl_mvm_stop_session_protection(mvm, vif); 1596 } 1597 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1598 struct iwl_mvm_txq *mvmtxq = 1599 iwl_mvm_txq_from_mac80211(vif->txq); 1600 1601 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1602 1603 local_bh_disable(); 1604 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1605 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1606 local_bh_enable(); 1607 1608 mvmvif->csa_blocks_tx = false; 1609 } 1610 1611 mvmvif->ps_disabled = false; 1612 1613 ret = iwl_mvm_power_update_ps(mvm); 1614 1615 out_unlock: 1616 if (mvmvif->csa_failed) 1617 ret = -EIO; 1618 mutex_unlock(&mvm->mutex); 1619 1620 return ret; 1621 } 1622 1623 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1624 struct ieee80211_vif *vif, 1625 struct ieee80211_bss_conf *link_conf) 1626 { 1627 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1628 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1629 struct iwl_chan_switch_te_cmd cmd = { 1630 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1631 mvmvif->color)), 1632 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1633 }; 1634 1635 /* 1636 * In the new flow since FW is in charge of the timing, 1637 * if driver has canceled the channel switch he will receive the 1638 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1639 */ 1640 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1641 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1642 return; 1643 1644 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1645 1646 mutex_lock(&mvm->mutex); 1647 if (!fw_has_capa(&mvm->fw->ucode_capa, 1648 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1649 iwl_mvm_remove_csa_period(mvm, vif); 1650 else 1651 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1652 WIDE_ID(MAC_CONF_GROUP, 1653 CHANNEL_SWITCH_TIME_EVENT_CMD), 1654 0, sizeof(cmd), &cmd)); 1655 mvmvif->csa_failed = true; 1656 mutex_unlock(&mvm->mutex); 1657 1658 /* If we're here, we can't support MLD */ 1659 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1660 } 1661 1662 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1663 { 1664 struct iwl_mvm_vif *mvmvif; 1665 struct ieee80211_vif *vif; 1666 1667 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1668 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1669 1670 /* Trigger disconnect (should clear the CSA state) */ 1671 ieee80211_chswitch_done(vif, false, 0); 1672 } 1673 1674 static u8 1675 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1676 { 1677 int data_start; 1678 int control_start; 1679 int bw; 1680 1681 if (chandef->width == NL80211_CHAN_WIDTH_320) 1682 bw = 320; 1683 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1684 bw = 160; 1685 else 1686 return 0; 1687 1688 /* data is bw wide so the start is half the width */ 1689 data_start = chandef->center_freq1 - bw / 2; 1690 /* control is 20Mhz width */ 1691 control_start = chandef->chan->center_freq - 10; 1692 1693 return (control_start - data_start) / 80; 1694 } 1695 1696 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1697 struct ieee80211_vif *vif) 1698 { 1699 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1700 int ret; 1701 1702 lockdep_assert_held(&mvm->mutex); 1703 1704 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1705 if (ret) { 1706 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1707 return ret; 1708 } 1709 1710 /* Only queue for this station is the mcast queue, 1711 * which shouldn't be in TFD mask anyway 1712 */ 1713 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1714 vif->type, 1715 IWL_STA_MULTICAST); 1716 } 1717 1718 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1719 struct wiphy_work *wk) 1720 { 1721 struct iwl_mvm_vif *mvmvif = 1722 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1723 struct iwl_mvm *mvm = mvmvif->mvm; 1724 struct ieee80211_vif *vif = 1725 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1726 1727 guard(mvm)(mvm); 1728 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1729 } 1730 1731 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1732 { 1733 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1734 mlo_int_scan_wk.work); 1735 struct ieee80211_vif *vif = 1736 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1737 1738 guard(mvm)(mvmvif->mvm); 1739 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1740 } 1741 1742 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1743 { 1744 struct iwl_mvm_vif *mvmvif = 1745 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1746 struct iwl_mvm *mvm = mvmvif->mvm; 1747 struct ieee80211_vif *vif = 1748 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1749 1750 guard(mvm)(mvm); 1751 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1752 } 1753 1754 static void iwl_mvm_unblock_esr_tmp_non_bss(struct wiphy *wiphy, 1755 struct wiphy_work *wk) 1756 { 1757 struct iwl_mvm_vif *mvmvif = 1758 container_of(wk, struct iwl_mvm_vif, 1759 unblock_esr_tmp_non_bss_wk.work); 1760 struct iwl_mvm *mvm = mvmvif->mvm; 1761 struct ieee80211_vif *vif = 1762 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1763 1764 mutex_lock(&mvm->mutex); 1765 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TMP_NON_BSS); 1766 mutex_unlock(&mvm->mutex); 1767 } 1768 1769 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1770 { 1771 lockdep_assert_held(&mvm->mutex); 1772 1773 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1774 return; 1775 1776 INIT_DELAYED_WORK(&mvmvif->csa_work, 1777 iwl_mvm_channel_switch_disconnect_wk); 1778 1779 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1780 iwl_mvm_prevent_esr_done_wk); 1781 1782 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1783 iwl_mvm_mlo_int_scan_wk); 1784 1785 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1786 iwl_mvm_unblock_esr_tpt); 1787 1788 wiphy_delayed_work_init(&mvmvif->unblock_esr_tmp_non_bss_wk, 1789 iwl_mvm_unblock_esr_tmp_non_bss); 1790 } 1791 1792 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1793 struct ieee80211_vif *vif) 1794 { 1795 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1796 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1797 int ret; 1798 int i; 1799 1800 mutex_lock(&mvm->mutex); 1801 1802 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1803 1804 mvmvif->mvm = mvm; 1805 1806 /* the first link always points to the default one */ 1807 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1808 mvmvif->deflink.active = 0; 1809 mvmvif->link[0] = &mvmvif->deflink; 1810 1811 vif->driver_flags = IEEE80211_VIF_REMOVE_AP_AFTER_DISASSOC; 1812 1813 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1814 if (ret) 1815 goto out; 1816 1817 /* 1818 * Not much to do here. The stack will not allow interface 1819 * types or combinations that we didn't advertise, so we 1820 * don't really have to check the types. 1821 */ 1822 1823 /* make sure that beacon statistics don't go backwards with FW reset */ 1824 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1825 for_each_mvm_vif_valid_link(mvmvif, i) 1826 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1827 mvmvif->link[i]->beacon_stats.num_beacons; 1828 1829 /* Allocate resources for the MAC context, and add it to the fw */ 1830 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1831 if (ret) 1832 goto out; 1833 1834 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1835 1836 /* Currently not much to do for NAN */ 1837 if (vif->type == NL80211_IFTYPE_NAN) { 1838 ret = 0; 1839 goto out; 1840 } 1841 1842 /* 1843 * The AP binding flow can be done only after the beacon 1844 * template is configured (which happens only in the mac80211 1845 * start_ap() flow), and adding the broadcast station can happen 1846 * only after the binding. 1847 * In addition, since modifying the MAC before adding a bcast 1848 * station is not allowed by the FW, delay the adding of MAC context to 1849 * the point where we can also add the bcast station. 1850 * In short: there's not much we can do at this point, other than 1851 * allocating resources :) 1852 */ 1853 if (vif->type == NL80211_IFTYPE_AP || 1854 vif->type == NL80211_IFTYPE_ADHOC) { 1855 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1856 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1857 ret = 0; 1858 goto out; 1859 } 1860 1861 mvmvif->features |= hw->netdev_features; 1862 1863 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1864 if (ret) 1865 goto out_unlock; 1866 1867 ret = iwl_mvm_power_update_mac(mvm); 1868 if (ret) 1869 goto out_remove_mac; 1870 1871 /* beacon filtering */ 1872 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1873 if (ret) 1874 goto out_remove_mac; 1875 1876 if (!mvm->bf_allowed_vif && 1877 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1878 mvm->bf_allowed_vif = mvmvif; 1879 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1880 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1881 } 1882 1883 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1884 mvm->p2p_device_vif = vif; 1885 1886 iwl_mvm_tcm_add_vif(mvm, vif); 1887 1888 if (vif->type == NL80211_IFTYPE_MONITOR) { 1889 mvm->monitor_on = true; 1890 mvm->monitor_p80 = 1891 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1892 } 1893 1894 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1895 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1896 1897 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1898 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1899 !mvm->csme_vif && mvm->mei_registered) { 1900 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1901 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1902 mvm->csme_vif = vif; 1903 } 1904 1905 out: 1906 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1907 vif->type == NL80211_IFTYPE_ADHOC)) 1908 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1909 1910 goto out_unlock; 1911 1912 out_remove_mac: 1913 mvmvif->deflink.phy_ctxt = NULL; 1914 iwl_mvm_mac_ctxt_remove(mvm, vif); 1915 out_unlock: 1916 mutex_unlock(&mvm->mutex); 1917 1918 return ret; 1919 } 1920 1921 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1922 struct ieee80211_vif *vif) 1923 { 1924 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1925 1926 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1927 /* 1928 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1929 * We assume here that all the packets sent to the OFFCHANNEL 1930 * queue are sent in ROC session. 1931 */ 1932 flush_work(&mvm->roc_done_wk); 1933 } 1934 1935 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1936 &mvmvif->prevent_esr_done_wk); 1937 1938 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1939 &mvmvif->mlo_int_scan_wk); 1940 1941 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1942 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1943 &mvmvif->unblock_esr_tmp_non_bss_wk); 1944 1945 cancel_delayed_work_sync(&mvmvif->csa_work); 1946 } 1947 1948 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1949 struct ieee80211_vif *vif) 1950 { 1951 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1952 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1953 struct iwl_probe_resp_data *probe_data; 1954 1955 iwl_mvm_prepare_mac_removal(mvm, vif); 1956 1957 if (!(vif->type == NL80211_IFTYPE_AP || 1958 vif->type == NL80211_IFTYPE_ADHOC)) 1959 iwl_mvm_tcm_rm_vif(mvm, vif); 1960 1961 mutex_lock(&mvm->mutex); 1962 1963 if (vif == mvm->csme_vif) { 1964 iwl_mei_set_netdev(NULL); 1965 mvm->csme_vif = NULL; 1966 } 1967 1968 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1969 lockdep_is_held(&mvm->mutex)); 1970 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1971 if (probe_data) 1972 kfree_rcu(probe_data, rcu_head); 1973 1974 if (mvm->bf_allowed_vif == mvmvif) { 1975 mvm->bf_allowed_vif = NULL; 1976 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1977 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1978 } 1979 1980 if (vif->bss_conf.ftm_responder) 1981 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1982 1983 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1984 1985 /* 1986 * For AP/GO interface, the tear down of the resources allocated to the 1987 * interface is be handled as part of the stop_ap flow. 1988 */ 1989 if (vif->type == NL80211_IFTYPE_AP || 1990 vif->type == NL80211_IFTYPE_ADHOC) { 1991 #ifdef CONFIG_NL80211_TESTMODE 1992 if (vif == mvm->noa_vif) { 1993 mvm->noa_vif = NULL; 1994 mvm->noa_duration = 0; 1995 } 1996 #endif 1997 goto out; 1998 } 1999 2000 iwl_mvm_power_update_mac(mvm); 2001 2002 /* Before the interface removal, mac80211 would cancel the ROC, and the 2003 * ROC worker would be scheduled if needed. The worker would be flushed 2004 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 2005 * binding etc. so nothing needs to be done here. 2006 */ 2007 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 2008 if (mvmvif->deflink.phy_ctxt) { 2009 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 2010 mvmvif->deflink.phy_ctxt = NULL; 2011 } 2012 mvm->p2p_device_vif = NULL; 2013 } 2014 2015 iwl_mvm_mac_ctxt_remove(mvm, vif); 2016 2017 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 2018 2019 if (vif->type == NL80211_IFTYPE_MONITOR) 2020 mvm->monitor_on = false; 2021 2022 out: 2023 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 2024 if (vif->type == NL80211_IFTYPE_AP || 2025 vif->type == NL80211_IFTYPE_ADHOC) { 2026 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 2027 iwl_mvm_dealloc_bcast_sta(mvm, vif); 2028 } 2029 2030 mutex_unlock(&mvm->mutex); 2031 } 2032 2033 struct iwl_mvm_mc_iter_data { 2034 struct iwl_mvm *mvm; 2035 int port_id; 2036 }; 2037 2038 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 2039 struct ieee80211_vif *vif) 2040 { 2041 struct iwl_mvm_mc_iter_data *data = _data; 2042 struct iwl_mvm *mvm = data->mvm; 2043 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 2044 struct iwl_host_cmd hcmd = { 2045 .id = MCAST_FILTER_CMD, 2046 .flags = CMD_ASYNC, 2047 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2048 }; 2049 int ret, len; 2050 2051 /* if we don't have free ports, mcast frames will be dropped */ 2052 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2053 return; 2054 2055 if (vif->type != NL80211_IFTYPE_STATION || 2056 !vif->cfg.assoc) 2057 return; 2058 2059 cmd->port_id = data->port_id++; 2060 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2061 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2062 2063 hcmd.len[0] = len; 2064 hcmd.data[0] = cmd; 2065 2066 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2067 if (ret) 2068 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2069 } 2070 2071 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2072 { 2073 struct iwl_mvm_mc_iter_data iter_data = { 2074 .mvm = mvm, 2075 }; 2076 int ret; 2077 2078 lockdep_assert_held(&mvm->mutex); 2079 2080 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2081 return; 2082 2083 ieee80211_iterate_active_interfaces_atomic( 2084 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2085 iwl_mvm_mc_iface_iterator, &iter_data); 2086 2087 /* 2088 * Send a (synchronous) ech command so that we wait for the 2089 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2090 * the interface iterator. Otherwise, we might get here over 2091 * and over again (by userspace just sending a lot of these) 2092 * and the CPU can send them faster than the firmware can 2093 * process them. 2094 * Note that the CPU is still faster - but with this we'll 2095 * actually send fewer commands overall because the CPU will 2096 * not schedule the work in mac80211 as frequently if it's 2097 * still running when rescheduled (possibly multiple times). 2098 */ 2099 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2100 if (ret) 2101 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2102 } 2103 2104 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2105 struct netdev_hw_addr_list *mc_list) 2106 { 2107 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2108 struct iwl_mcast_filter_cmd *cmd; 2109 struct netdev_hw_addr *addr; 2110 int addr_count; 2111 bool pass_all; 2112 int len; 2113 2114 addr_count = netdev_hw_addr_list_count(mc_list); 2115 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2116 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2117 if (pass_all) 2118 addr_count = 0; 2119 2120 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2121 cmd = kzalloc(len, GFP_ATOMIC); 2122 if (!cmd) 2123 return 0; 2124 2125 if (pass_all) { 2126 cmd->pass_all = 1; 2127 return (u64)(unsigned long)cmd; 2128 } 2129 2130 netdev_hw_addr_list_for_each(addr, mc_list) { 2131 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2132 cmd->count, addr->addr); 2133 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2134 addr->addr, ETH_ALEN); 2135 cmd->count++; 2136 } 2137 2138 return (u64)(unsigned long)cmd; 2139 } 2140 2141 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2142 unsigned int changed_flags, 2143 unsigned int *total_flags, u64 multicast) 2144 { 2145 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2146 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2147 2148 guard(mvm)(mvm); 2149 2150 /* replace previous configuration */ 2151 kfree(mvm->mcast_filter_cmd); 2152 mvm->mcast_filter_cmd = cmd; 2153 2154 if (!cmd) 2155 goto out; 2156 2157 if (changed_flags & FIF_ALLMULTI) 2158 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2159 2160 if (cmd->pass_all) 2161 cmd->count = 0; 2162 2163 iwl_mvm_recalc_multicast(mvm); 2164 out: 2165 *total_flags = 0; 2166 } 2167 2168 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2169 struct ieee80211_vif *vif, 2170 unsigned int filter_flags, 2171 unsigned int changed_flags) 2172 { 2173 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2174 2175 /* We support only filter for probe requests */ 2176 if (!(changed_flags & FIF_PROBE_REQ)) 2177 return; 2178 2179 /* Supported only for p2p client interfaces */ 2180 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2181 !vif->p2p) 2182 return; 2183 2184 guard(mvm)(mvm); 2185 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2186 } 2187 2188 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2189 { 2190 struct iwl_mu_group_mgmt_cmd cmd = {}; 2191 2192 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2193 WLAN_MEMBERSHIP_LEN); 2194 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2195 WLAN_USER_POSITION_LEN); 2196 2197 return iwl_mvm_send_cmd_pdu(mvm, 2198 WIDE_ID(DATA_PATH_GROUP, 2199 UPDATE_MU_GROUPS_CMD), 2200 0, sizeof(cmd), &cmd); 2201 } 2202 2203 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2204 struct ieee80211_vif *vif) 2205 { 2206 if (vif->bss_conf.mu_mimo_owner) { 2207 struct iwl_mu_group_mgmt_notif *notif = _data; 2208 2209 /* 2210 * MU-MIMO Group Id action frame is little endian. We treat 2211 * the data received from firmware as if it came from the 2212 * action frame, so no conversion is needed. 2213 */ 2214 ieee80211_update_mu_groups(vif, 0, 2215 (u8 *)¬if->membership_status, 2216 (u8 *)¬if->user_position); 2217 } 2218 } 2219 2220 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2221 struct iwl_rx_cmd_buffer *rxb) 2222 { 2223 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2224 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2225 2226 ieee80211_iterate_active_interfaces_atomic( 2227 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2228 iwl_mvm_mu_mimo_iface_iterator, notif); 2229 } 2230 2231 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2232 { 2233 u8 byte_num = ppe_pos_bit / 8; 2234 u8 bit_num = ppe_pos_bit % 8; 2235 u8 residue_bits; 2236 u8 res; 2237 2238 if (bit_num <= 5) 2239 return (ppe[byte_num] >> bit_num) & 2240 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2241 2242 /* 2243 * If bit_num > 5, we have to combine bits with next byte. 2244 * Calculate how many bits we need to take from current byte (called 2245 * here "residue_bits"), and add them to bits from next byte. 2246 */ 2247 2248 residue_bits = 8 - bit_num; 2249 2250 res = (ppe[byte_num + 1] & 2251 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2252 residue_bits; 2253 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2254 2255 return res; 2256 } 2257 2258 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2259 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2260 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2261 bool inheritance) 2262 { 2263 int i; 2264 2265 /* 2266 * FW currently supports only nss == MAX_HE_SUPP_NSS 2267 * 2268 * If nss > MAX: we can ignore values we don't support 2269 * If nss < MAX: we can set zeros in other streams 2270 */ 2271 if (nss > MAX_HE_SUPP_NSS) { 2272 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2273 MAX_HE_SUPP_NSS); 2274 nss = MAX_HE_SUPP_NSS; 2275 } 2276 2277 for (i = 0; i < nss; i++) { 2278 u8 ru_index_tmp = ru_index_bitmap << 1; 2279 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2280 u8 bw; 2281 2282 for (bw = 0; 2283 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2284 bw++) { 2285 ru_index_tmp >>= 1; 2286 2287 /* 2288 * According to the 11be spec, if for a specific BW the PPE Thresholds 2289 * isn't present - it should inherit the thresholds from the last 2290 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2291 * this inheritance - continue in this case 2292 */ 2293 if (!(ru_index_tmp & 1)) { 2294 if (inheritance) 2295 goto set_thresholds; 2296 else 2297 continue; 2298 } 2299 2300 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2301 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2302 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2303 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2304 2305 set_thresholds: 2306 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2307 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2308 } 2309 } 2310 } 2311 2312 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2313 struct ieee80211_link_sta *link_sta, 2314 struct iwl_he_pkt_ext_v2 *pkt_ext, 2315 bool inheritance) 2316 { 2317 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2318 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2319 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2320 u8 ru_index_bitmap = 2321 u8_get_bits(*ppe, 2322 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2323 /* Starting after PPE header */ 2324 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2325 2326 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2327 inheritance); 2328 } 2329 2330 static int 2331 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2332 u8 nominal_padding) 2333 { 2334 int low_th = -1; 2335 int high_th = -1; 2336 int i; 2337 2338 /* all the macros are the same for EHT and HE */ 2339 switch (nominal_padding) { 2340 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2341 low_th = IWL_HE_PKT_EXT_NONE; 2342 high_th = IWL_HE_PKT_EXT_NONE; 2343 break; 2344 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2345 low_th = IWL_HE_PKT_EXT_BPSK; 2346 high_th = IWL_HE_PKT_EXT_NONE; 2347 break; 2348 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2349 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2350 low_th = IWL_HE_PKT_EXT_NONE; 2351 high_th = IWL_HE_PKT_EXT_BPSK; 2352 break; 2353 } 2354 2355 if (low_th < 0 || high_th < 0) 2356 return -EINVAL; 2357 2358 /* Set the PPE thresholds accordingly */ 2359 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2360 u8 bw; 2361 2362 for (bw = 0; 2363 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2364 bw++) { 2365 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2366 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2367 } 2368 } 2369 2370 return 0; 2371 } 2372 2373 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2374 u8 nominal_padding) 2375 { 2376 int i; 2377 2378 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2379 u8 bw; 2380 2381 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2382 bw++) { 2383 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2384 2385 if (nominal_padding > 2386 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2387 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2388 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2389 else if (nominal_padding == 2390 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2391 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2392 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2393 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2394 } 2395 } 2396 } 2397 2398 /* Set the pkt_ext field according to PPE Thresholds element */ 2399 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2400 struct ieee80211_link_sta *link_sta, 2401 struct iwl_he_pkt_ext_v2 *pkt_ext) 2402 { 2403 u8 nominal_padding; 2404 int i, ret = 0; 2405 2406 if (WARN_ON(!link_sta)) 2407 return -EINVAL; 2408 2409 /* Initialize the PPE thresholds to "None" (7), as described in Table 2410 * 9-262ac of 80211.ax/D3.0. 2411 */ 2412 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2413 sizeof(struct iwl_he_pkt_ext_v2)); 2414 2415 if (link_sta->eht_cap.has_eht) { 2416 nominal_padding = 2417 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2418 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2419 2420 /* If PPE Thresholds exists, parse them into a FW-familiar 2421 * format. 2422 */ 2423 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2424 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2425 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2426 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2427 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2428 u8 ru_index_bitmap = 2429 u16_get_bits(*ppe, 2430 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2431 /* Starting after PPE header */ 2432 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2433 2434 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2435 ppe, ppe_pos_bit, true); 2436 /* EHT PPE Thresholds doesn't exist - set the API according to 2437 * HE PPE Tresholds 2438 */ 2439 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2440 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2441 /* Even though HE Capabilities IE doesn't contain PPE 2442 * Thresholds for BW 320Mhz, thresholds for this BW will 2443 * be filled in with the same values as 160Mhz, due to 2444 * the inheritance, as required. 2445 */ 2446 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2447 true); 2448 2449 /* According to the requirements, for MCSs 12-13 the 2450 * maximum value between HE PPE Threshold and Common 2451 * Nominal Packet Padding needs to be taken 2452 */ 2453 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2454 2455 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2456 * take the Thresholds from Common Nominal Packet Padding field 2457 */ 2458 } else { 2459 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2460 nominal_padding); 2461 } 2462 } else if (link_sta->he_cap.has_he) { 2463 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2464 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2465 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2466 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2467 false); 2468 /* PPE Thresholds doesn't exist - set the API PPE values 2469 * according to Common Nominal Packet Padding field. 2470 */ 2471 } else { 2472 nominal_padding = 2473 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2474 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2475 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2476 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2477 nominal_padding); 2478 } 2479 } 2480 2481 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2482 int bw; 2483 2484 for (bw = 0; 2485 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2486 bw++) { 2487 u8 *qam_th = 2488 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2489 2490 IWL_DEBUG_HT(mvm, 2491 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2492 i, bw, qam_th[0], qam_th[1]); 2493 } 2494 } 2495 return ret; 2496 } 2497 2498 /* 2499 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2500 * is enabled or not 2501 */ 2502 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2503 const struct iwl_mvm_vif_link_info *link_info, 2504 struct iwl_he_backoff_conf *trig_based_txf) 2505 { 2506 int i; 2507 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2508 bool mu_edca_enabled = true; 2509 2510 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2511 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2512 &link_info->queue_params[i].mu_edca_param_rec; 2513 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2514 2515 if (!link_info->queue_params[i].mu_edca) { 2516 mu_edca_enabled = false; 2517 break; 2518 } 2519 2520 trig_based_txf[ac].cwmin = 2521 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2522 trig_based_txf[ac].cwmax = 2523 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2524 trig_based_txf[ac].aifsn = 2525 cpu_to_le16(mu_edca->aifsn & 0xf); 2526 trig_based_txf[ac].mu_time = 2527 cpu_to_le16(mu_edca->mu_edca_timer); 2528 } 2529 2530 return mu_edca_enabled; 2531 } 2532 2533 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2534 { 2535 const struct ieee80211_supported_band *sband; 2536 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2537 2538 /* This capability is the same for all bands, 2539 * so take it from one of them. 2540 */ 2541 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2542 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2543 2544 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2545 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2546 } 2547 2548 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2549 struct ieee80211_link_sta *link_sta) 2550 { 2551 u8 *mac_cap_info = 2552 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2553 __le32 htc_flags = 0; 2554 2555 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2556 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2557 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2558 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2559 u8 link_adap = 2560 ((mac_cap_info[2] & 2561 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2562 (mac_cap_info[1] & 2563 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2564 2565 if (link_adap == 2) 2566 htc_flags |= 2567 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2568 else if (link_adap == 3) 2569 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2570 } 2571 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2572 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2573 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2574 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2575 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2576 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2577 2578 return htc_flags; 2579 } 2580 2581 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2582 struct ieee80211_vif *vif, u8 sta_id) 2583 { 2584 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2585 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2586 .sta_id = sta_id, 2587 .tid_limit = IWL_MAX_TID_COUNT, 2588 .bss_color = vif->bss_conf.he_bss_color.color, 2589 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2590 .frame_time_rts_th = 2591 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2592 }; 2593 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2594 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2595 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2596 int size; 2597 struct ieee80211_sta *sta; 2598 u32 flags; 2599 int i; 2600 void *cmd; 2601 2602 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2603 ver = 1; 2604 2605 switch (ver) { 2606 case 1: 2607 /* same layout as v2 except some data at the end */ 2608 cmd = &sta_ctxt_cmd_v2; 2609 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2610 break; 2611 case 2: 2612 cmd = &sta_ctxt_cmd_v2; 2613 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2614 break; 2615 case 3: 2616 cmd = &sta_ctxt_cmd; 2617 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2618 break; 2619 default: 2620 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2621 return; 2622 } 2623 2624 rcu_read_lock(); 2625 2626 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2627 if (IS_ERR_OR_NULL(sta)) { 2628 rcu_read_unlock(); 2629 WARN(1, "Can't find STA to configure HE\n"); 2630 return; 2631 } 2632 2633 if (!sta->deflink.he_cap.has_he) { 2634 rcu_read_unlock(); 2635 return; 2636 } 2637 2638 flags = 0; 2639 2640 /* Block 26-tone RU OFDMA transmissions */ 2641 if (mvmvif->deflink.he_ru_2mhz_block) 2642 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2643 2644 /* HTC flags */ 2645 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2646 2647 /* PPE Thresholds */ 2648 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2649 flags |= STA_CTXT_HE_PACKET_EXT; 2650 2651 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2652 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2653 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2654 2655 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2656 IEEE80211_HE_MAC_CAP2_ACK_EN) 2657 flags |= STA_CTXT_HE_ACK_ENABLED; 2658 2659 rcu_read_unlock(); 2660 2661 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2662 &sta_ctxt_cmd.trig_based_txf[0])) 2663 flags |= STA_CTXT_HE_MU_EDCA_CW; 2664 2665 if (vif->bss_conf.uora_exists) { 2666 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2667 2668 sta_ctxt_cmd.rand_alloc_ecwmin = 2669 vif->bss_conf.uora_ocw_range & 0x7; 2670 sta_ctxt_cmd.rand_alloc_ecwmax = 2671 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2672 } 2673 2674 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2675 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2676 2677 if (vif->bss_conf.nontransmitted) { 2678 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2679 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2680 vif->bss_conf.transmitter_bssid); 2681 sta_ctxt_cmd.max_bssid_indicator = 2682 vif->bss_conf.bssid_indicator; 2683 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2684 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2685 sta_ctxt_cmd.profile_periodicity = 2686 vif->bss_conf.profile_periodicity; 2687 } 2688 2689 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2690 2691 if (ver < 3) { 2692 /* fields before pkt_ext */ 2693 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2694 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2695 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2696 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2697 2698 /* pkt_ext */ 2699 for (i = 0; 2700 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2701 i++) { 2702 u8 bw; 2703 2704 for (bw = 0; 2705 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2706 bw++) { 2707 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2708 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2709 2710 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2711 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2712 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2713 } 2714 } 2715 2716 /* fields after pkt_ext */ 2717 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2718 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2719 sizeof(sta_ctxt_cmd_v2) - 2720 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2721 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2722 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2723 (u8 *)&sta_ctxt_cmd + 2724 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2725 sizeof(sta_ctxt_cmd) - 2726 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2727 sta_ctxt_cmd_v2.reserved3 = 0; 2728 } 2729 2730 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2731 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2732 } 2733 2734 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2735 u32 duration_override, unsigned int link_id) 2736 { 2737 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2738 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2739 2740 if (duration_override > duration) 2741 duration = duration_override; 2742 2743 /* Try really hard to protect the session and hear a beacon 2744 * The new session protection command allows us to protect the 2745 * session for a much longer time since the firmware will internally 2746 * create two events: a 300TU one with a very high priority that 2747 * won't be fragmented which should be enough for 99% of the cases, 2748 * and another one (which we configure here to be 900TU long) which 2749 * will have a slightly lower priority, but more importantly, can be 2750 * fragmented so that it'll allow other activities to run. 2751 */ 2752 if (fw_has_capa(&mvm->fw->ucode_capa, 2753 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2754 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2755 min_duration, false, 2756 link_id); 2757 else 2758 iwl_mvm_protect_session(mvm, vif, duration, 2759 min_duration, 500, false); 2760 } 2761 2762 /* Handle association common part to MLD and non-MLD modes */ 2763 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2764 struct ieee80211_vif *vif, 2765 u64 changes) 2766 { 2767 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2768 int ret; 2769 int link_id; 2770 2771 /* The firmware tracks the MU-MIMO group on its own. 2772 * However, on HW restart we should restore this data. 2773 */ 2774 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2775 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2776 ret = iwl_mvm_update_mu_groups(mvm, vif); 2777 if (ret) 2778 IWL_ERR(mvm, 2779 "failed to update VHT MU_MIMO groups\n"); 2780 } 2781 2782 iwl_mvm_recalc_multicast(mvm); 2783 2784 /* reset rssi values */ 2785 for_each_mvm_vif_valid_link(mvmvif, link_id) 2786 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2787 2788 iwl_mvm_bt_coex_vif_change(mvm); 2789 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2790 IEEE80211_SMPS_AUTOMATIC); 2791 if (fw_has_capa(&mvm->fw->ucode_capa, 2792 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2793 iwl_mvm_config_scan(mvm); 2794 } 2795 2796 /* Execute the common part for MLD and non-MLD modes */ 2797 void 2798 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2799 struct ieee80211_vif *vif, 2800 struct ieee80211_bss_conf *link_conf, 2801 u64 changes) 2802 { 2803 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2804 int ret; 2805 2806 if (changes & BSS_CHANGED_BEACON_INFO) { 2807 /* We received a beacon from the associated AP so 2808 * remove the session protection. 2809 */ 2810 iwl_mvm_stop_session_protection(mvm, vif); 2811 2812 iwl_mvm_sf_update(mvm, vif, false); 2813 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2814 } 2815 2816 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2817 /* Send power command on every beacon change, 2818 * because we may have not enabled beacon abort yet. 2819 */ 2820 BSS_CHANGED_BEACON_INFO)) { 2821 ret = iwl_mvm_power_update_mac(mvm); 2822 if (ret) 2823 IWL_ERR(mvm, "failed to update power mode\n"); 2824 } 2825 2826 if (changes & BSS_CHANGED_CQM) { 2827 struct iwl_mvm_vif_link_info *link_info = 2828 mvmvif->link[link_conf->link_id]; 2829 2830 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2831 if (link_info) 2832 link_info->bf_data.last_cqm_event = 0; 2833 2834 if (mvmvif->bf_enabled) { 2835 /* FIXME: need to update per link when FW API will 2836 * support it 2837 */ 2838 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2839 if (ret) 2840 IWL_ERR(mvm, 2841 "failed to update CQM thresholds\n"); 2842 } 2843 } 2844 2845 if (changes & BSS_CHANGED_BANDWIDTH) 2846 iwl_mvm_update_link_smps(vif, link_conf); 2847 2848 if (changes & BSS_CHANGED_TPE) { 2849 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2850 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2851 link_conf, 2852 false); 2853 } 2854 } 2855 2856 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2857 struct ieee80211_vif *vif, 2858 struct ieee80211_bss_conf *bss_conf, 2859 u64 changes) 2860 { 2861 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2862 int ret; 2863 int i; 2864 2865 /* 2866 * Re-calculate the tsf id, as the leader-follower relations depend 2867 * on the beacon interval, which was not known when the station 2868 * interface was added. 2869 */ 2870 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2871 if ((vif->bss_conf.he_support && 2872 !iwlwifi_mod_params.disable_11ax)) 2873 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2874 2875 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2876 } 2877 2878 /* Update MU EDCA params */ 2879 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2880 vif->cfg.assoc && 2881 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2882 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2883 2884 /* 2885 * If we're not associated yet, take the (new) BSSID before associating 2886 * so the firmware knows. If we're already associated, then use the old 2887 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2888 * branch for disassociation below. 2889 */ 2890 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2891 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2892 2893 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2894 if (ret) 2895 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2896 2897 /* after sending it once, adopt mac80211 data */ 2898 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2899 mvmvif->associated = vif->cfg.assoc; 2900 2901 if (changes & BSS_CHANGED_ASSOC) { 2902 if (vif->cfg.assoc) { 2903 mvmvif->session_prot_connection_loss = false; 2904 2905 /* clear statistics to get clean beacon counter */ 2906 iwl_mvm_request_statistics(mvm, true); 2907 for_each_mvm_vif_valid_link(mvmvif, i) 2908 memset(&mvmvif->link[i]->beacon_stats, 0, 2909 sizeof(mvmvif->link[i]->beacon_stats)); 2910 2911 /* add quota for this interface */ 2912 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2913 if (ret) { 2914 IWL_ERR(mvm, "failed to update quotas\n"); 2915 return; 2916 } 2917 2918 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2919 &mvm->status) && 2920 !fw_has_capa(&mvm->fw->ucode_capa, 2921 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2922 /* 2923 * If we're restarting then the firmware will 2924 * obviously have lost synchronisation with 2925 * the AP. It will attempt to synchronise by 2926 * itself, but we can make it more reliable by 2927 * scheduling a session protection time event. 2928 * 2929 * The firmware needs to receive a beacon to 2930 * catch up with synchronisation, use 110% of 2931 * the beacon interval. 2932 * 2933 * Set a large maximum delay to allow for more 2934 * than a single interface. 2935 * 2936 * For new firmware versions, rely on the 2937 * firmware. This is relevant for DCM scenarios 2938 * only anyway. 2939 */ 2940 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2941 iwl_mvm_protect_session(mvm, vif, dur, dur, 2942 5 * dur, false); 2943 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2944 &mvm->status) && 2945 !vif->bss_conf.dtim_period) { 2946 /* 2947 * If we're not restarting and still haven't 2948 * heard a beacon (dtim period unknown) then 2949 * make sure we still have enough minimum time 2950 * remaining in the time event, since the auth 2951 * might actually have taken quite a while 2952 * (especially for SAE) and so the remaining 2953 * time could be small without us having heard 2954 * a beacon yet. 2955 */ 2956 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2957 } 2958 2959 iwl_mvm_sf_update(mvm, vif, false); 2960 iwl_mvm_power_vif_assoc(mvm, vif); 2961 if (vif->p2p) { 2962 iwl_mvm_update_smps(mvm, vif, 2963 IWL_MVM_SMPS_REQ_PROT, 2964 IEEE80211_SMPS_DYNAMIC, 0); 2965 } 2966 } else if (mvmvif->deflink.ap_sta_id != IWL_INVALID_STA) { 2967 iwl_mvm_mei_host_disassociated(mvm); 2968 /* 2969 * If update fails - SF might be running in associated 2970 * mode while disassociated - which is forbidden. 2971 */ 2972 ret = iwl_mvm_sf_update(mvm, vif, false); 2973 WARN_ONCE(ret && 2974 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2975 &mvm->status), 2976 "Failed to update SF upon disassociation\n"); 2977 2978 /* remove quota for this interface */ 2979 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2980 if (ret) 2981 IWL_ERR(mvm, "failed to update quotas\n"); 2982 2983 /* this will take the cleared BSSID from bss_conf */ 2984 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2985 if (ret) 2986 IWL_ERR(mvm, 2987 "failed to update MAC %pM (clear after unassoc)\n", 2988 vif->addr); 2989 } 2990 2991 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2992 } 2993 2994 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2995 changes); 2996 } 2997 2998 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2999 struct ieee80211_vif *vif, 3000 int *ret) 3001 { 3002 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3003 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3004 int i; 3005 3006 lockdep_assert_held(&mvm->mutex); 3007 3008 mvmvif->ap_assoc_sta_count = 0; 3009 3010 /* must be set before quota calculations */ 3011 mvmvif->ap_ibss_active = true; 3012 3013 /* send all the early keys to the device now */ 3014 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3015 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 3016 3017 if (!key) 3018 continue; 3019 3020 mvmvif->ap_early_keys[i] = NULL; 3021 3022 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3023 if (*ret) 3024 return true; 3025 } 3026 3027 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3028 iwl_mvm_vif_set_low_latency(mvmvif, true, 3029 LOW_LATENCY_VIF_TYPE); 3030 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3031 } 3032 3033 /* power updated needs to be done before quotas */ 3034 iwl_mvm_power_update_mac(mvm); 3035 3036 return false; 3037 } 3038 3039 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3040 struct ieee80211_vif *vif, 3041 struct ieee80211_bss_conf *link_conf) 3042 { 3043 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3044 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3045 int ret; 3046 3047 mutex_lock(&mvm->mutex); 3048 3049 /* 3050 * Re-calculate the tsf id, as the leader-follower relations depend on 3051 * the beacon interval, which was not known when the AP interface 3052 * was added. 3053 */ 3054 if (vif->type == NL80211_IFTYPE_AP) 3055 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3056 3057 /* For older devices need to send beacon template before adding mac 3058 * context. For the newer, the beacon is a resource that belongs to a 3059 * MAC, so need to send beacon template after adding the mac. 3060 */ 3061 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3062 /* Add the mac context */ 3063 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3064 if (ret) 3065 goto out_unlock; 3066 3067 /* Send the beacon template */ 3068 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3069 if (ret) 3070 goto out_unlock; 3071 } else { 3072 /* Send the beacon template */ 3073 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3074 if (ret) 3075 goto out_unlock; 3076 3077 /* Add the mac context */ 3078 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3079 if (ret) 3080 goto out_unlock; 3081 } 3082 3083 /* Perform the binding */ 3084 ret = iwl_mvm_binding_add_vif(mvm, vif); 3085 if (ret) 3086 goto out_remove; 3087 3088 /* 3089 * This is not very nice, but the simplest: 3090 * For older FWs adding the mcast sta before the bcast station may 3091 * cause assert 0x2b00. 3092 * This is fixed in later FW so make the order of removal depend on 3093 * the TLV 3094 */ 3095 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3096 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3097 if (ret) 3098 goto out_unbind; 3099 /* 3100 * Send the bcast station. At this stage the TBTT and DTIM time 3101 * events are added and applied to the scheduler 3102 */ 3103 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3104 if (ret) { 3105 iwl_mvm_rm_mcast_sta(mvm, vif); 3106 goto out_unbind; 3107 } 3108 } else { 3109 /* 3110 * Send the bcast station. At this stage the TBTT and DTIM time 3111 * events are added and applied to the scheduler 3112 */ 3113 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3114 if (ret) 3115 goto out_unbind; 3116 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3117 if (ret) { 3118 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3119 goto out_unbind; 3120 } 3121 } 3122 3123 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3124 goto out_failed; 3125 3126 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3127 if (ret) 3128 goto out_failed; 3129 3130 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3131 if (vif->p2p && mvm->p2p_device_vif) 3132 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3133 3134 iwl_mvm_bt_coex_vif_change(mvm); 3135 3136 /* we don't support TDLS during DCM */ 3137 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3138 iwl_mvm_teardown_tdls_peers(mvm); 3139 3140 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3141 3142 goto out_unlock; 3143 3144 out_failed: 3145 iwl_mvm_power_update_mac(mvm); 3146 mvmvif->ap_ibss_active = false; 3147 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3148 iwl_mvm_rm_mcast_sta(mvm, vif); 3149 out_unbind: 3150 iwl_mvm_binding_remove_vif(mvm, vif); 3151 out_remove: 3152 iwl_mvm_mac_ctxt_remove(mvm, vif); 3153 out_unlock: 3154 mutex_unlock(&mvm->mutex); 3155 return ret; 3156 } 3157 3158 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3159 struct ieee80211_vif *vif, 3160 struct ieee80211_bss_conf *link_conf) 3161 { 3162 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3163 } 3164 3165 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3166 struct ieee80211_vif *vif) 3167 { 3168 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3169 } 3170 3171 /* Common part for MLD and non-MLD ops */ 3172 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3173 struct ieee80211_vif *vif) 3174 { 3175 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3176 3177 lockdep_assert_held(&mvm->mutex); 3178 3179 iwl_mvm_prepare_mac_removal(mvm, vif); 3180 3181 /* Handle AP stop while in CSA */ 3182 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3183 iwl_mvm_remove_time_event(mvm, mvmvif, 3184 &mvmvif->time_event_data); 3185 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3186 mvmvif->csa_countdown = false; 3187 } 3188 3189 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3190 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3191 mvm->csa_tx_block_bcn_timeout = 0; 3192 } 3193 3194 mvmvif->ap_ibss_active = false; 3195 mvm->ap_last_beacon_gp2 = 0; 3196 3197 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3198 iwl_mvm_vif_set_low_latency(mvmvif, false, 3199 LOW_LATENCY_VIF_TYPE); 3200 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3201 } 3202 3203 iwl_mvm_bt_coex_vif_change(mvm); 3204 } 3205 3206 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3207 struct ieee80211_vif *vif, 3208 struct ieee80211_bss_conf *link_conf) 3209 { 3210 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3211 3212 guard(mvm)(mvm); 3213 3214 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3215 3216 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3217 if (vif->p2p && mvm->p2p_device_vif) 3218 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3219 3220 iwl_mvm_update_quotas(mvm, false, NULL); 3221 3222 iwl_mvm_ftm_responder_clear(mvm, vif); 3223 3224 /* 3225 * This is not very nice, but the simplest: 3226 * For older FWs removing the mcast sta before the bcast station may 3227 * cause assert 0x2b00. 3228 * This is fixed in later FW (which will stop beaconing when removing 3229 * bcast station). 3230 * So make the order of removal depend on the TLV 3231 */ 3232 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3233 iwl_mvm_rm_mcast_sta(mvm, vif); 3234 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3235 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3236 iwl_mvm_rm_mcast_sta(mvm, vif); 3237 iwl_mvm_binding_remove_vif(mvm, vif); 3238 3239 iwl_mvm_power_update_mac(mvm); 3240 3241 iwl_mvm_mac_ctxt_remove(mvm, vif); 3242 } 3243 3244 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3245 struct ieee80211_vif *vif, 3246 struct ieee80211_bss_conf *link_conf) 3247 { 3248 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3249 } 3250 3251 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3252 struct ieee80211_vif *vif) 3253 { 3254 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3255 } 3256 3257 static void 3258 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3259 struct ieee80211_vif *vif, 3260 struct ieee80211_bss_conf *bss_conf, 3261 u64 changes) 3262 { 3263 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3264 3265 /* Changes will be applied when the AP/IBSS is started */ 3266 if (!mvmvif->ap_ibss_active) 3267 return; 3268 3269 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3270 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3271 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3272 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3273 3274 /* Need to send a new beacon template to the FW */ 3275 if (changes & BSS_CHANGED_BEACON && 3276 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3277 IWL_WARN(mvm, "Failed updating beacon data\n"); 3278 3279 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3280 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3281 3282 if (ret) 3283 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3284 ret); 3285 } 3286 3287 } 3288 3289 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3290 struct ieee80211_vif *vif, 3291 struct ieee80211_bss_conf *bss_conf, 3292 u64 changes) 3293 { 3294 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3295 3296 guard(mvm)(mvm); 3297 3298 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3299 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3300 3301 switch (vif->type) { 3302 case NL80211_IFTYPE_STATION: 3303 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3304 break; 3305 case NL80211_IFTYPE_AP: 3306 case NL80211_IFTYPE_ADHOC: 3307 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3308 break; 3309 case NL80211_IFTYPE_MONITOR: 3310 if (changes & BSS_CHANGED_MU_GROUPS) 3311 iwl_mvm_update_mu_groups(mvm, vif); 3312 break; 3313 default: 3314 /* shouldn't happen */ 3315 WARN_ON_ONCE(1); 3316 } 3317 3318 if (changes & BSS_CHANGED_TXPOWER) { 3319 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3320 bss_conf->txpower); 3321 iwl_mvm_set_tx_power(mvm, bss_conf, bss_conf->txpower); 3322 } 3323 } 3324 3325 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3326 struct ieee80211_scan_request *hw_req) 3327 { 3328 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3329 3330 if (hw_req->req.n_channels == 0 || 3331 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3332 return -EINVAL; 3333 3334 guard(mvm)(mvm); 3335 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3336 } 3337 3338 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3339 struct ieee80211_vif *vif) 3340 { 3341 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3342 3343 guard(mvm)(mvm); 3344 3345 /* Due to a race condition, it's possible that mac80211 asks 3346 * us to stop a hw_scan when it's already stopped. This can 3347 * happen, for instance, if we stopped the scan ourselves, 3348 * called ieee80211_scan_completed() and the userspace called 3349 * cancel scan scan before ieee80211_scan_work() could run. 3350 * To handle that, simply return if the scan is not running. 3351 */ 3352 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3353 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3354 } 3355 3356 void 3357 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3358 struct ieee80211_sta *sta, u16 tids, 3359 int num_frames, 3360 enum ieee80211_frame_release_type reason, 3361 bool more_data) 3362 { 3363 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3364 3365 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3366 3367 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3368 tids, more_data, false); 3369 } 3370 3371 void 3372 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3373 struct ieee80211_sta *sta, u16 tids, 3374 int num_frames, 3375 enum ieee80211_frame_release_type reason, 3376 bool more_data) 3377 { 3378 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3379 3380 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3381 3382 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3383 tids, more_data, true); 3384 } 3385 3386 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3387 enum sta_notify_cmd cmd, 3388 struct ieee80211_sta *sta) 3389 { 3390 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3391 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3392 unsigned long txqs = 0, tids = 0; 3393 int tid; 3394 3395 /* 3396 * If we have TVQM then we get too high queue numbers - luckily 3397 * we really shouldn't get here with that because such hardware 3398 * should have firmware supporting buffer station offload. 3399 */ 3400 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3401 return; 3402 3403 spin_lock_bh(&mvmsta->lock); 3404 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3405 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3406 3407 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3408 continue; 3409 3410 __set_bit(tid_data->txq_id, &txqs); 3411 3412 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3413 continue; 3414 3415 __set_bit(tid, &tids); 3416 } 3417 3418 switch (cmd) { 3419 case STA_NOTIFY_SLEEP: 3420 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3421 ieee80211_sta_set_buffered(sta, tid, true); 3422 3423 if (txqs) 3424 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3425 /* 3426 * The fw updates the STA to be asleep. Tx packets on the Tx 3427 * queues to this station will not be transmitted. The fw will 3428 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3429 */ 3430 break; 3431 case STA_NOTIFY_AWAKE: 3432 if (WARN_ON(mvmsta->deflink.sta_id == IWL_INVALID_STA)) 3433 break; 3434 3435 if (txqs) 3436 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3437 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3438 break; 3439 default: 3440 break; 3441 } 3442 spin_unlock_bh(&mvmsta->lock); 3443 } 3444 3445 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3446 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3447 { 3448 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3449 } 3450 3451 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3452 { 3453 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3454 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3455 struct ieee80211_sta *sta; 3456 struct iwl_mvm_sta *mvmsta; 3457 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3458 3459 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3460 return; 3461 3462 rcu_read_lock(); 3463 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3464 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3465 rcu_read_unlock(); 3466 return; 3467 } 3468 3469 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3470 3471 if (!mvmsta->vif || 3472 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3473 rcu_read_unlock(); 3474 return; 3475 } 3476 3477 if (mvmsta->sleeping != sleeping) { 3478 mvmsta->sleeping = sleeping; 3479 __iwl_mvm_mac_sta_notify(mvm->hw, 3480 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3481 sta); 3482 ieee80211_sta_ps_transition(sta, sleeping); 3483 } 3484 3485 if (sleeping) { 3486 switch (notif->type) { 3487 case IWL_MVM_PM_EVENT_AWAKE: 3488 case IWL_MVM_PM_EVENT_ASLEEP: 3489 break; 3490 case IWL_MVM_PM_EVENT_UAPSD: 3491 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3492 break; 3493 case IWL_MVM_PM_EVENT_PS_POLL: 3494 ieee80211_sta_pspoll(sta); 3495 break; 3496 default: 3497 break; 3498 } 3499 } 3500 3501 rcu_read_unlock(); 3502 } 3503 3504 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3505 struct ieee80211_vif *vif, 3506 struct ieee80211_sta *sta) 3507 { 3508 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3509 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3510 unsigned int link_id; 3511 3512 lockdep_assert_wiphy(mvm->hw->wiphy); 3513 3514 /* 3515 * This is called before mac80211 does RCU synchronisation, 3516 * so here we already invalidate our internal RCU-protected 3517 * station pointer. The rest of the code will thus no longer 3518 * be able to find the station this way, and we don't rely 3519 * on further RCU synchronisation after the sta_state() 3520 * callback deleted the station. 3521 * Since there's mvm->mutex here, no need to have RCU lock for 3522 * mvm_sta->link access. 3523 */ 3524 guard(mvm)(mvm); 3525 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3526 struct iwl_mvm_link_sta *link_sta; 3527 u32 sta_id; 3528 3529 if (!mvm_sta->link[link_id]) 3530 continue; 3531 3532 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3533 lockdep_is_held(&mvm->mutex)); 3534 sta_id = link_sta->sta_id; 3535 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3536 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3537 ERR_PTR(-ENOENT)); 3538 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3539 } 3540 } 3541 } 3542 3543 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3544 const u8 *bssid) 3545 { 3546 int i; 3547 3548 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3549 struct iwl_mvm_tcm_mac *mdata; 3550 3551 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3552 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3553 mdata->opened_rx_ba_sessions = false; 3554 } 3555 3556 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3557 return; 3558 3559 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3560 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3561 return; 3562 } 3563 3564 if (!vif->p2p && 3565 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3566 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3567 return; 3568 } 3569 3570 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3571 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3572 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3573 return; 3574 } 3575 } 3576 3577 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3578 } 3579 3580 static void 3581 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3582 struct ieee80211_vif *vif, u8 *peer_addr, 3583 enum nl80211_tdls_operation action) 3584 { 3585 struct iwl_fw_dbg_trigger_tlv *trig; 3586 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3587 3588 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3589 FW_DBG_TRIGGER_TDLS); 3590 if (!trig) 3591 return; 3592 3593 tdls_trig = (void *)trig->data; 3594 3595 if (!(tdls_trig->action_bitmap & BIT(action))) 3596 return; 3597 3598 if (tdls_trig->peer_mode && 3599 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3600 return; 3601 3602 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3603 "TDLS event occurred, peer %pM, action %d", 3604 peer_addr, action); 3605 } 3606 3607 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3608 bool tolerated; 3609 }; 3610 3611 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3612 struct cfg80211_bss *bss, 3613 void *_data) 3614 { 3615 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3616 const struct cfg80211_bss_ies *ies; 3617 const struct element *elem; 3618 3619 rcu_read_lock(); 3620 ies = rcu_dereference(bss->ies); 3621 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3622 ies->len); 3623 3624 if (!elem || elem->datalen < 10 || 3625 !(elem->data[10] & 3626 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3627 data->tolerated = false; 3628 } 3629 rcu_read_unlock(); 3630 } 3631 3632 static void 3633 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3634 struct ieee80211_vif *vif, 3635 unsigned int link_id, 3636 struct ieee80211_bss_conf *link_conf) 3637 { 3638 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3639 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3640 .tolerated = true, 3641 }; 3642 3643 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3644 !mvmvif->link[link_id])) 3645 return; 3646 3647 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3648 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3649 return; 3650 } 3651 3652 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3653 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3654 &iter_data); 3655 3656 /* 3657 * If there is at least one AP on radar channel that cannot 3658 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3659 */ 3660 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3661 } 3662 3663 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3664 struct ieee80211_vif *vif) 3665 { 3666 struct ieee80211_supported_band *sband; 3667 const struct ieee80211_sta_he_cap *he_cap; 3668 3669 if (vif->type != NL80211_IFTYPE_STATION) 3670 return; 3671 3672 if (!mvm->cca_40mhz_workaround) 3673 return; 3674 3675 /* decrement and check that we reached zero */ 3676 mvm->cca_40mhz_workaround--; 3677 if (mvm->cca_40mhz_workaround) 3678 return; 3679 3680 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3681 3682 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3683 3684 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3685 3686 if (he_cap) { 3687 /* we know that ours is writable */ 3688 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3689 3690 he->he_cap_elem.phy_cap_info[0] |= 3691 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3692 } 3693 } 3694 3695 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3696 struct ieee80211_vif *vif, 3697 struct iwl_mvm_sta *mvm_sta) 3698 { 3699 #if IS_ENABLED(CONFIG_IWLMEI) 3700 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3701 struct iwl_mei_conn_info conn_info = { 3702 .ssid_len = vif->cfg.ssid_len, 3703 }; 3704 3705 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3706 return; 3707 3708 if (!mvm->mei_registered) 3709 return; 3710 3711 /* FIXME: MEI needs to be updated for MLO */ 3712 if (!vif->bss_conf.chanreq.oper.chan) 3713 return; 3714 3715 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3716 3717 switch (mvm_sta->pairwise_cipher) { 3718 case WLAN_CIPHER_SUITE_TKIP: 3719 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3720 break; 3721 case WLAN_CIPHER_SUITE_CCMP: 3722 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3723 break; 3724 case WLAN_CIPHER_SUITE_GCMP: 3725 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3726 break; 3727 case WLAN_CIPHER_SUITE_GCMP_256: 3728 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3729 break; 3730 case 0: 3731 /* open profile */ 3732 break; 3733 default: 3734 /* cipher not supported, don't send anything to iwlmei */ 3735 return; 3736 } 3737 3738 switch (mvmvif->rekey_data.akm) { 3739 case WLAN_AKM_SUITE_SAE & 0xff: 3740 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3741 break; 3742 case WLAN_AKM_SUITE_PSK & 0xff: 3743 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3744 break; 3745 case WLAN_AKM_SUITE_8021X & 0xff: 3746 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3747 break; 3748 case 0: 3749 /* open profile */ 3750 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3751 break; 3752 default: 3753 /* auth method / AKM not supported */ 3754 /* TODO: All the FT vesions of these? */ 3755 return; 3756 } 3757 3758 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3759 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3760 3761 /* TODO: add support for collocated AP data */ 3762 iwl_mei_host_associated(&conn_info, NULL); 3763 #endif 3764 } 3765 3766 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3767 struct ieee80211_vif *vif, 3768 bool force_assoc_off) 3769 { 3770 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3771 } 3772 3773 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3774 struct ieee80211_vif *vif, 3775 struct ieee80211_sta *sta, 3776 enum ieee80211_sta_state old_state, 3777 enum ieee80211_sta_state new_state) 3778 { 3779 static const struct iwl_mvm_sta_state_ops callbacks = { 3780 .add_sta = iwl_mvm_add_sta, 3781 .update_sta = iwl_mvm_update_sta, 3782 .rm_sta = iwl_mvm_rm_sta, 3783 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3784 }; 3785 3786 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3787 &callbacks); 3788 } 3789 3790 /* FIXME: temporary making two assumptions in all sta handling functions: 3791 * (1) when setting sta state, the link exists and protected 3792 * (2) if a link is valid in sta then it's valid in vif (can 3793 * use same index in the link array) 3794 */ 3795 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3796 struct ieee80211_vif *vif, 3797 struct ieee80211_sta *sta) 3798 { 3799 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3800 unsigned int link_id; 3801 3802 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3803 struct ieee80211_bss_conf *conf = 3804 link_conf_dereference_check(vif, link_id); 3805 struct ieee80211_link_sta *link_sta = 3806 link_sta_dereference_check(sta, link_id); 3807 3808 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3809 continue; 3810 3811 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3812 mvmvif->link[link_id]->phy_ctxt->channel->band); 3813 } 3814 } 3815 3816 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3817 struct ieee80211_vif *vif, 3818 struct ieee80211_sta *sta) 3819 { 3820 struct ieee80211_link_sta *link_sta; 3821 unsigned int link_id; 3822 3823 /* Beacon interval check - firmware will crash if the beacon 3824 * interval is less than 16. We can't avoid connecting at all, 3825 * so refuse the station state change, this will cause mac80211 3826 * to abandon attempts to connect to this AP, and eventually 3827 * wpa_s will blocklist the AP... 3828 */ 3829 3830 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3831 struct ieee80211_bss_conf *link_conf = 3832 link_conf_dereference_protected(vif, link_id); 3833 3834 if (!link_conf) 3835 continue; 3836 3837 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3838 IWL_ERR(mvm, 3839 "Beacon interval %d for AP %pM is too small\n", 3840 link_conf->beacon_int, link_sta->addr); 3841 return false; 3842 } 3843 3844 link_conf->he_support = link_sta->he_cap.has_he; 3845 } 3846 3847 return true; 3848 } 3849 3850 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3851 struct ieee80211_vif *vif, 3852 struct ieee80211_sta *sta, 3853 bool is_sta) 3854 { 3855 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3856 struct ieee80211_link_sta *link_sta; 3857 unsigned int link_id; 3858 3859 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3860 struct ieee80211_bss_conf *link_conf = 3861 link_conf_dereference_protected(vif, link_id); 3862 3863 if (!link_conf || !mvmvif->link[link_id]) 3864 continue; 3865 3866 link_conf->he_support = link_sta->he_cap.has_he; 3867 3868 if (is_sta) { 3869 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3870 if (link_sta->he_cap.has_he) 3871 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3872 link_id, 3873 link_conf); 3874 } 3875 } 3876 } 3877 3878 static int 3879 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3880 struct ieee80211_vif *vif, 3881 struct ieee80211_sta *sta, 3882 const struct iwl_mvm_sta_state_ops *callbacks) 3883 { 3884 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3885 struct ieee80211_link_sta *link_sta; 3886 unsigned int i; 3887 int ret; 3888 3889 lockdep_assert_held(&mvm->mutex); 3890 3891 if (vif->type == NL80211_IFTYPE_STATION && 3892 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3893 return -EINVAL; 3894 3895 if (sta->tdls && 3896 (vif->p2p || 3897 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_TDLS_STA_COUNT || 3898 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3899 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3900 return -EBUSY; 3901 } 3902 3903 ret = callbacks->add_sta(mvm, vif, sta); 3904 if (sta->tdls && ret == 0) { 3905 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3906 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3907 NL80211_TDLS_SETUP); 3908 } 3909 3910 if (ret) 3911 return ret; 3912 3913 for_each_sta_active_link(vif, sta, link_sta, i) 3914 link_sta->agg.max_rc_amsdu_len = 1; 3915 3916 ieee80211_sta_recalc_aggregates(sta); 3917 3918 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3919 mvmvif->ap_sta = sta; 3920 3921 /* 3922 * Initialize the rates here already - this really tells 3923 * the firmware only what the supported legacy rates are 3924 * (may be) since it's initialized already from what the 3925 * AP advertised in the beacon/probe response. This will 3926 * allow the firmware to send auth/assoc frames with one 3927 * of the supported rates already, rather than having to 3928 * use a mandatory rate. 3929 * If we're the AP, we'll just assume mandatory rates at 3930 * this point, but we know nothing about the STA anyway. 3931 */ 3932 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3933 3934 return 0; 3935 } 3936 3937 static int 3938 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3939 struct iwl_mvm *mvm, 3940 struct ieee80211_vif *vif, 3941 struct ieee80211_sta *sta, 3942 const struct iwl_mvm_sta_state_ops *callbacks) 3943 { 3944 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3945 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3946 struct ieee80211_link_sta *link_sta; 3947 unsigned int link_id; 3948 3949 lockdep_assert_held(&mvm->mutex); 3950 3951 if (vif->type == NL80211_IFTYPE_AP) { 3952 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3953 mvmvif->ap_assoc_sta_count++; 3954 callbacks->mac_ctxt_changed(mvm, vif, false); 3955 3956 /* since the below is not for MLD API, it's ok to use 3957 * the default bss_conf 3958 */ 3959 if (!mvm->mld_api_is_used && 3960 (vif->bss_conf.he_support && 3961 !iwlwifi_mod_params.disable_11ax)) 3962 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3963 } else if (vif->type == NL80211_IFTYPE_STATION) { 3964 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3965 3966 callbacks->mac_ctxt_changed(mvm, vif, false); 3967 3968 if (!mvm->mld_api_is_used) 3969 goto out; 3970 3971 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3972 struct ieee80211_bss_conf *link_conf = 3973 link_conf_dereference_protected(vif, link_id); 3974 3975 if (WARN_ON(!link_conf)) 3976 return -EINVAL; 3977 if (!mvmvif->link[link_id]) 3978 continue; 3979 3980 iwl_mvm_link_changed(mvm, vif, link_conf, 3981 LINK_CONTEXT_MODIFY_ALL & 3982 ~LINK_CONTEXT_MODIFY_ACTIVE, 3983 true); 3984 } 3985 } 3986 3987 out: 3988 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3989 3990 return callbacks->update_sta(mvm, vif, sta); 3991 } 3992 3993 static int 3994 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3995 struct ieee80211_vif *vif, 3996 struct ieee80211_sta *sta, 3997 const struct iwl_mvm_sta_state_ops *callbacks) 3998 { 3999 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4000 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4001 4002 lockdep_assert_held(&mvm->mutex); 4003 4004 /* we don't support TDLS during DCM */ 4005 if (iwl_mvm_phy_ctx_count(mvm) > 1) 4006 iwl_mvm_teardown_tdls_peers(mvm); 4007 4008 if (sta->tdls) { 4009 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4010 NL80211_TDLS_ENABLE_LINK); 4011 } else { 4012 /* enable beacon filtering */ 4013 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 4014 4015 mvmvif->authorized = 1; 4016 4017 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 4018 mvmvif->link_selection_res = vif->active_links; 4019 mvmvif->link_selection_primary = 4020 vif->active_links ? __ffs(vif->active_links) : 0; 4021 } 4022 4023 callbacks->mac_ctxt_changed(mvm, vif, false); 4024 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4025 4026 memset(&mvmvif->last_esr_exit, 0, 4027 sizeof(mvmvif->last_esr_exit)); 4028 4029 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4030 4031 /* Block until FW notif will arrive */ 4032 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4033 4034 /* when client is authorized (AP station marked as such), 4035 * try to enable the best link(s). 4036 */ 4037 if (vif->type == NL80211_IFTYPE_STATION && 4038 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4039 iwl_mvm_select_links(mvm, vif); 4040 } 4041 4042 mvm_sta->authorized = true; 4043 4044 /* MFP is set by default before the station is authorized. 4045 * Clear it here in case it's not used. 4046 */ 4047 if (!sta->mfp) { 4048 int ret = callbacks->update_sta(mvm, vif, sta); 4049 4050 if (ret) 4051 return ret; 4052 } 4053 4054 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4055 4056 return 0; 4057 } 4058 4059 static int 4060 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4061 struct ieee80211_vif *vif, 4062 struct ieee80211_sta *sta, 4063 const struct iwl_mvm_sta_state_ops *callbacks) 4064 { 4065 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4066 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4067 4068 lockdep_assert_held(&mvm->mutex); 4069 4070 mvmsta->authorized = false; 4071 4072 /* once we move into assoc state, need to update rate scale to 4073 * disable using wide bandwidth 4074 */ 4075 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4076 4077 if (!sta->tdls) { 4078 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4079 * yet to avoid sending high prio again for a little 4080 * time. 4081 */ 4082 mvmvif->authorized = 0; 4083 mvmvif->link_selection_res = 0; 4084 4085 /* disable beacon filtering */ 4086 iwl_mvm_disable_beacon_filter(mvm, vif); 4087 4088 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4089 &mvmvif->prevent_esr_done_wk); 4090 4091 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4092 &mvmvif->mlo_int_scan_wk); 4093 4094 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4095 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4096 &mvmvif->unblock_esr_tmp_non_bss_wk); 4097 } 4098 4099 return 0; 4100 } 4101 4102 /* Common part for MLD and non-MLD modes */ 4103 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4104 struct ieee80211_vif *vif, 4105 struct ieee80211_sta *sta, 4106 enum ieee80211_sta_state old_state, 4107 enum ieee80211_sta_state new_state, 4108 const struct iwl_mvm_sta_state_ops *callbacks) 4109 { 4110 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4111 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4112 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4113 struct ieee80211_link_sta *link_sta; 4114 unsigned int link_id; 4115 int ret; 4116 4117 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4118 sta->addr, old_state, new_state); 4119 4120 /* 4121 * If we are in a STA removal flow and in DQA mode: 4122 * 4123 * This is after the sync_rcu part, so the queues have already been 4124 * flushed. No more TXs on their way in mac80211's path, and no more in 4125 * the queues. 4126 * Also, we won't be getting any new TX frames for this station. 4127 * What we might have are deferred TX frames that need to be taken care 4128 * of. 4129 * 4130 * Drop any still-queued deferred-frame before removing the STA, and 4131 * make sure the worker is no longer handling frames for this STA. 4132 */ 4133 if (old_state == IEEE80211_STA_NONE && 4134 new_state == IEEE80211_STA_NOTEXIST) { 4135 flush_work(&mvm->add_stream_wk); 4136 4137 /* 4138 * No need to make sure deferred TX indication is off since the 4139 * worker will already remove it if it was on 4140 */ 4141 4142 /* 4143 * Additionally, reset the 40 MHz capability if we disconnected 4144 * from the AP now. 4145 */ 4146 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4147 4148 /* Also free dup data just in case any assertions below fail */ 4149 kfree(mvm_sta->dup_data); 4150 } 4151 4152 mutex_lock(&mvm->mutex); 4153 4154 /* this would be a mac80211 bug ... but don't crash, unless we had a 4155 * firmware crash while we were activating a link, in which case it is 4156 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4157 * recovery flow since we spit tons of error messages anyway. 4158 */ 4159 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4160 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4161 !mvmvif->link[link_id]->phy_ctxt)) { 4162 mutex_unlock(&mvm->mutex); 4163 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4164 &mvm->status) ? 0 : -EINVAL; 4165 } 4166 } 4167 4168 /* track whether or not the station is associated */ 4169 mvm_sta->sta_state = new_state; 4170 4171 if (old_state == IEEE80211_STA_NOTEXIST && 4172 new_state == IEEE80211_STA_NONE) { 4173 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4174 callbacks); 4175 if (ret < 0) 4176 goto out_unlock; 4177 } else if (old_state == IEEE80211_STA_NONE && 4178 new_state == IEEE80211_STA_AUTH) { 4179 /* 4180 * EBS may be disabled due to previous failures reported by FW. 4181 * Reset EBS status here assuming environment has been changed. 4182 */ 4183 mvm->last_ebs_successful = true; 4184 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4185 ret = 0; 4186 } else if (old_state == IEEE80211_STA_AUTH && 4187 new_state == IEEE80211_STA_ASSOC) { 4188 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4189 callbacks); 4190 } else if (old_state == IEEE80211_STA_ASSOC && 4191 new_state == IEEE80211_STA_AUTHORIZED) { 4192 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4193 callbacks); 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, u32 value) 4245 { 4246 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4247 4248 mvm->rts_threshold = value; 4249 4250 return 0; 4251 } 4252 4253 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4254 struct ieee80211_link_sta *link_sta, u32 changed) 4255 { 4256 struct ieee80211_sta *sta = link_sta->sta; 4257 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4258 4259 if (changed & (IEEE80211_RC_BW_CHANGED | 4260 IEEE80211_RC_SUPP_RATES_CHANGED | 4261 IEEE80211_RC_NSS_CHANGED)) 4262 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4263 4264 if (vif->type == NL80211_IFTYPE_STATION && 4265 changed & IEEE80211_RC_NSS_CHANGED) 4266 iwl_mvm_sf_update(mvm, vif, false); 4267 } 4268 4269 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4270 struct ieee80211_vif *vif, 4271 unsigned int link_id, u16 ac, 4272 const struct ieee80211_tx_queue_params *params) 4273 { 4274 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4275 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4276 4277 mvmvif->deflink.queue_params[ac] = *params; 4278 4279 /* 4280 * No need to update right away, we'll get BSS_CHANGED_QOS 4281 * The exception is P2P_DEVICE interface which needs immediate update. 4282 */ 4283 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4284 guard(mvm)(mvm); 4285 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4286 } 4287 return 0; 4288 } 4289 4290 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4291 struct ieee80211_vif *vif, 4292 struct ieee80211_prep_tx_info *info) 4293 { 4294 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4295 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4296 4297 if (info->was_assoc && !mvmvif->session_prot_connection_loss) 4298 return; 4299 4300 guard(mvm)(mvm); 4301 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4302 } 4303 4304 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4305 struct ieee80211_vif *vif, 4306 struct ieee80211_prep_tx_info *info) 4307 { 4308 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4309 4310 /* for successful cases (auth/assoc), don't cancel session protection */ 4311 if (info->success) 4312 return; 4313 4314 guard(mvm)(mvm); 4315 iwl_mvm_stop_session_protection(mvm, vif); 4316 } 4317 4318 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4319 struct ieee80211_vif *vif, 4320 struct cfg80211_sched_scan_request *req, 4321 struct ieee80211_scan_ies *ies) 4322 { 4323 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4324 4325 guard(mvm)(mvm); 4326 4327 if (!vif->cfg.idle) 4328 return -EBUSY; 4329 4330 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4331 } 4332 4333 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4334 struct ieee80211_vif *vif) 4335 { 4336 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4337 int ret; 4338 4339 mutex_lock(&mvm->mutex); 4340 4341 /* Due to a race condition, it's possible that mac80211 asks 4342 * us to stop a sched_scan when it's already stopped. This 4343 * can happen, for instance, if we stopped the scan ourselves, 4344 * called ieee80211_sched_scan_stopped() and the userspace called 4345 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4346 * could run. To handle this, simply return if the scan is 4347 * not running. 4348 */ 4349 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4350 mutex_unlock(&mvm->mutex); 4351 return 0; 4352 } 4353 4354 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4355 mutex_unlock(&mvm->mutex); 4356 iwl_mvm_wait_for_async_handlers(mvm); 4357 4358 return ret; 4359 } 4360 4361 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4362 enum set_key_cmd cmd, 4363 struct ieee80211_vif *vif, 4364 struct ieee80211_sta *sta, 4365 struct ieee80211_key_conf *key) 4366 { 4367 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4368 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4369 struct iwl_mvm_sta *mvmsta = NULL; 4370 struct iwl_mvm_key_pn *ptk_pn = NULL; 4371 int keyidx = key->keyidx; 4372 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4373 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4374 int ret, i; 4375 u8 key_offset; 4376 4377 if (sta) 4378 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4379 4380 switch (key->cipher) { 4381 case WLAN_CIPHER_SUITE_TKIP: 4382 if (!mvm->trans->trans_cfg->gen2) { 4383 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4384 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4385 } else if (vif->type == NL80211_IFTYPE_STATION) { 4386 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4387 } else { 4388 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4389 return -EOPNOTSUPP; 4390 } 4391 break; 4392 case WLAN_CIPHER_SUITE_CCMP: 4393 case WLAN_CIPHER_SUITE_GCMP: 4394 case WLAN_CIPHER_SUITE_GCMP_256: 4395 if (!iwl_mvm_has_new_tx_api(mvm)) 4396 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4397 break; 4398 case WLAN_CIPHER_SUITE_AES_CMAC: 4399 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4400 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4401 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4402 break; 4403 case WLAN_CIPHER_SUITE_WEP40: 4404 case WLAN_CIPHER_SUITE_WEP104: 4405 if (vif->type == NL80211_IFTYPE_STATION) 4406 break; 4407 if (iwl_mvm_has_new_tx_api(mvm)) 4408 return -EOPNOTSUPP; 4409 /* support HW crypto on TX */ 4410 return 0; 4411 default: 4412 return -EOPNOTSUPP; 4413 } 4414 4415 switch (cmd) { 4416 case SET_KEY: 4417 if (vif->type == NL80211_IFTYPE_STATION && 4418 (keyidx == 6 || keyidx == 7)) 4419 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4420 key); 4421 4422 if ((vif->type == NL80211_IFTYPE_ADHOC || 4423 vif->type == NL80211_IFTYPE_AP) && !sta) { 4424 /* 4425 * GTK on AP interface is a TX-only key, return 0; 4426 * on IBSS they're per-station and because we're lazy 4427 * we don't support them for RX, so do the same. 4428 * CMAC/GMAC in AP/IBSS modes must be done in software 4429 * on older NICs. 4430 * 4431 * Except, of course, beacon protection - it must be 4432 * offloaded since we just set a beacon template, and 4433 * then we must also offload the IGTK (not just BIGTK) 4434 * for firmware reasons. 4435 * 4436 * So just check for beacon protection - if we don't 4437 * have it we cannot get here with keyidx >= 6, and 4438 * if we do have it we need to send the key to FW in 4439 * all cases (CMAC/GMAC). 4440 */ 4441 if (!wiphy_ext_feature_isset(hw->wiphy, 4442 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4443 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4444 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4445 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4446 ret = -EOPNOTSUPP; 4447 break; 4448 } 4449 4450 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4451 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4452 !iwl_mvm_has_new_tx_api(mvm)) { 4453 key->hw_key_idx = STA_KEY_IDX_INVALID; 4454 ret = 0; 4455 break; 4456 } 4457 4458 if (!mvmvif->ap_ibss_active) { 4459 for (i = 0; 4460 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4461 i++) { 4462 if (!mvmvif->ap_early_keys[i]) { 4463 mvmvif->ap_early_keys[i] = key; 4464 break; 4465 } 4466 } 4467 4468 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4469 ret = -ENOSPC; 4470 else 4471 ret = 0; 4472 4473 break; 4474 } 4475 } 4476 4477 /* During FW restart, in order to restore the state as it was, 4478 * don't try to reprogram keys we previously failed for. 4479 */ 4480 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4481 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4482 IWL_DEBUG_MAC80211(mvm, 4483 "skip invalid idx key programming during restart\n"); 4484 ret = 0; 4485 break; 4486 } 4487 4488 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4489 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4490 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4491 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4492 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4493 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4494 struct ieee80211_key_seq seq; 4495 int tid, q; 4496 4497 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4498 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4499 mvm->trans->num_rx_queues), 4500 GFP_KERNEL); 4501 if (!ptk_pn) { 4502 ret = -ENOMEM; 4503 break; 4504 } 4505 4506 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4507 ieee80211_get_key_rx_seq(key, tid, &seq); 4508 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4509 memcpy(ptk_pn->q[q].pn[tid], 4510 seq.ccmp.pn, 4511 IEEE80211_CCMP_PN_LEN); 4512 } 4513 4514 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4515 } 4516 4517 /* in HW restart reuse the index, otherwise request a new one */ 4518 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4519 key_offset = key->hw_key_idx; 4520 else 4521 key_offset = STA_KEY_IDX_INVALID; 4522 4523 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4524 mvmsta->pairwise_cipher = key->cipher; 4525 4526 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4527 sta ? sta->addr : NULL, key->keyidx); 4528 4529 if (sec_key_ver) 4530 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4531 else 4532 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4533 4534 if (ret) { 4535 IWL_WARN(mvm, "set key failed\n"); 4536 key->hw_key_idx = STA_KEY_IDX_INVALID; 4537 if (ptk_pn) { 4538 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4539 kfree(ptk_pn); 4540 } 4541 /* 4542 * can't add key for RX, but we don't need it 4543 * in the device for TX so still return 0, 4544 * unless we have new TX API where we cannot 4545 * put key material into the TX_CMD 4546 */ 4547 if (iwl_mvm_has_new_tx_api(mvm)) 4548 ret = -EOPNOTSUPP; 4549 else 4550 ret = 0; 4551 } 4552 4553 break; 4554 case DISABLE_KEY: 4555 if (vif->type == NL80211_IFTYPE_STATION && 4556 (keyidx == 6 || keyidx == 7)) 4557 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4558 NULL); 4559 4560 ret = -ENOENT; 4561 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4562 if (mvmvif->ap_early_keys[i] == key) { 4563 mvmvif->ap_early_keys[i] = NULL; 4564 ret = 0; 4565 } 4566 } 4567 4568 /* found in pending list - don't do anything else */ 4569 if (ret == 0) 4570 break; 4571 4572 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4573 ret = 0; 4574 break; 4575 } 4576 4577 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4578 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4579 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4580 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4581 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4582 ptk_pn = rcu_dereference_protected( 4583 mvmsta->ptk_pn[keyidx], 4584 lockdep_is_held(&mvm->mutex)); 4585 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4586 if (ptk_pn) 4587 kfree_rcu(ptk_pn, rcu_head); 4588 } 4589 4590 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4591 if (sec_key_ver) 4592 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4593 else 4594 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4595 break; 4596 default: 4597 ret = -EINVAL; 4598 } 4599 4600 return ret; 4601 } 4602 4603 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4604 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4605 struct ieee80211_key_conf *key) 4606 { 4607 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4608 4609 guard(mvm)(mvm); 4610 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4611 } 4612 4613 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4614 struct ieee80211_vif *vif, 4615 struct ieee80211_key_conf *keyconf, 4616 struct ieee80211_sta *sta, 4617 u32 iv32, u16 *phase1key) 4618 { 4619 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4620 4621 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4622 return; 4623 4624 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4625 } 4626 4627 4628 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4629 struct iwl_rx_packet *pkt, void *data) 4630 { 4631 struct iwl_mvm *mvm = 4632 container_of(notif_wait, struct iwl_mvm, notif_wait); 4633 struct iwl_hs20_roc_res *resp; 4634 int resp_len = iwl_rx_packet_payload_len(pkt); 4635 struct iwl_mvm_time_event_data *te_data = data; 4636 4637 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4638 return true; 4639 4640 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4641 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4642 return true; 4643 } 4644 4645 resp = (void *)pkt->data; 4646 4647 IWL_DEBUG_TE(mvm, 4648 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4649 resp->status, resp->event_unique_id); 4650 4651 te_data->uid = le32_to_cpu(resp->event_unique_id); 4652 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4653 te_data->uid); 4654 4655 spin_lock_bh(&mvm->time_event_lock); 4656 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4657 spin_unlock_bh(&mvm->time_event_lock); 4658 4659 return true; 4660 } 4661 4662 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4663 struct ieee80211_channel *channel, 4664 struct ieee80211_vif *vif, 4665 int duration) 4666 { 4667 int res; 4668 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4669 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4670 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4671 struct iwl_notification_wait wait_time_event; 4672 u32 req_dur, delay; 4673 struct iwl_hs20_roc_req aux_roc_req = { 4674 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4675 .id_and_color = 4676 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4677 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4678 }; 4679 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4680 &aux_roc_req.channel_info); 4681 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4682 4683 /* Set the channel info data */ 4684 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4685 iwl_mvm_phy_band_from_nl80211(channel->band), 4686 IWL_PHY_CHANNEL_MODE20, 4687 0); 4688 4689 /* Set the time and duration */ 4690 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4691 4692 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4693 tail->duration = cpu_to_le32(req_dur); 4694 tail->apply_time_max_delay = cpu_to_le32(delay); 4695 4696 IWL_DEBUG_TE(mvm, 4697 "ROC: Requesting to remain on channel %u for %ums\n", 4698 channel->hw_value, req_dur); 4699 IWL_DEBUG_TE(mvm, 4700 "\t(requested = %ums, max_delay = %ums)\n", 4701 duration, delay); 4702 4703 /* Set the node address */ 4704 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4705 4706 lockdep_assert_held(&mvm->mutex); 4707 4708 spin_lock_bh(&mvm->time_event_lock); 4709 4710 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4711 spin_unlock_bh(&mvm->time_event_lock); 4712 return -EIO; 4713 } 4714 4715 te_data->vif = vif; 4716 te_data->duration = duration; 4717 te_data->id = HOT_SPOT_CMD; 4718 4719 spin_unlock_bh(&mvm->time_event_lock); 4720 4721 /* 4722 * Use a notification wait, which really just processes the 4723 * command response and doesn't wait for anything, in order 4724 * to be able to process the response and get the UID inside 4725 * the RX path. Using CMD_WANT_SKB doesn't work because it 4726 * stores the buffer and then wakes up this thread, by which 4727 * time another notification (that the time event started) 4728 * might already be processed unsuccessfully. 4729 */ 4730 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4731 time_event_response, 4732 ARRAY_SIZE(time_event_response), 4733 iwl_mvm_rx_aux_roc, te_data); 4734 4735 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4736 &aux_roc_req); 4737 4738 if (res) { 4739 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4740 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4741 goto out_clear_te; 4742 } 4743 4744 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4745 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4746 /* should never fail */ 4747 WARN_ON_ONCE(res); 4748 4749 if (res) { 4750 out_clear_te: 4751 spin_lock_bh(&mvm->time_event_lock); 4752 iwl_mvm_te_clear_data(mvm, te_data); 4753 spin_unlock_bh(&mvm->time_event_lock); 4754 } 4755 4756 return res; 4757 } 4758 4759 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4760 { 4761 int ret = 0; 4762 4763 lockdep_assert_held(&mvm->mutex); 4764 4765 if (!fw_has_capa(&mvm->fw->ucode_capa, 4766 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4767 IWL_ERR(mvm, "hotspot not supported\n"); 4768 return -EINVAL; 4769 } 4770 4771 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4772 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4773 WARN(ret, "Failed to allocate aux station"); 4774 } 4775 4776 return ret; 4777 } 4778 4779 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4780 { 4781 int ret; 4782 4783 lockdep_assert_held(&mvm->mutex); 4784 4785 ret = iwl_mvm_binding_add_vif(mvm, vif); 4786 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4787 return ret; 4788 4789 /* The station and queue allocation must be done only after the binding 4790 * is done, as otherwise the FW might incorrectly configure its state. 4791 */ 4792 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4793 } 4794 4795 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4796 struct ieee80211_vif *vif, 4797 struct ieee80211_channel *channel, 4798 int duration, 4799 enum ieee80211_roc_type type) 4800 { 4801 static const struct iwl_mvm_roc_ops ops = { 4802 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4803 .link = iwl_mvm_roc_link, 4804 }; 4805 4806 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4807 } 4808 4809 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4810 struct ieee80211_channel *channel, 4811 struct ieee80211_vif *vif, 4812 int duration) 4813 { 4814 int ret; 4815 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4816 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4817 IWL_FW_CMD_VER_UNKNOWN); 4818 4819 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4820 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4821 } else if (fw_ver >= 3) { 4822 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4823 ROC_ACTIVITY_HOTSPOT); 4824 } else { 4825 ret = -EOPNOTSUPP; 4826 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4827 } 4828 4829 return ret; 4830 } 4831 4832 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4833 struct ieee80211_channel *channel, 4834 struct ieee80211_vif *vif, 4835 int duration, 4836 enum ieee80211_roc_type type) 4837 { 4838 enum iwl_roc_activity activity; 4839 int ret; 4840 4841 lockdep_assert_held(&mvm->mutex); 4842 4843 switch (type) { 4844 case IEEE80211_ROC_TYPE_NORMAL: 4845 activity = ROC_ACTIVITY_P2P_DISC; 4846 break; 4847 case IEEE80211_ROC_TYPE_MGMT_TX: 4848 activity = ROC_ACTIVITY_P2P_NEG; 4849 break; 4850 default: 4851 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4852 return -EINVAL; 4853 } 4854 4855 ret = iwl_mvm_mld_add_aux_sta(mvm, 4856 iwl_mvm_get_lmac_id(mvm, channel->band)); 4857 if (ret) 4858 return ret; 4859 4860 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4861 } 4862 4863 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4864 struct ieee80211_vif *vif, 4865 struct ieee80211_channel *channel) 4866 { 4867 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4868 struct cfg80211_chan_def chandef; 4869 int i; 4870 4871 lockdep_assert_held(&mvm->mutex); 4872 4873 if (mvmvif->deflink.phy_ctxt && 4874 channel == mvmvif->deflink.phy_ctxt->channel) 4875 return 0; 4876 4877 /* Try using a PHY context that is already in use */ 4878 for (i = 0; i < NUM_PHY_CTX; i++) { 4879 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4880 4881 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4882 continue; 4883 4884 if (channel == phy_ctxt->channel) { 4885 if (mvmvif->deflink.phy_ctxt) 4886 iwl_mvm_phy_ctxt_unref(mvm, 4887 mvmvif->deflink.phy_ctxt); 4888 4889 mvmvif->deflink.phy_ctxt = phy_ctxt; 4890 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4891 return 0; 4892 } 4893 } 4894 4895 /* We already have a phy_ctxt, but it's not on the right channel */ 4896 if (mvmvif->deflink.phy_ctxt) 4897 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4898 4899 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4900 if (!mvmvif->deflink.phy_ctxt) 4901 return -ENOSPC; 4902 4903 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4904 4905 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4906 &chandef, NULL, 1, 1); 4907 } 4908 4909 /* Execute the common part for MLD and non-MLD modes */ 4910 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4911 struct ieee80211_channel *channel, int duration, 4912 enum ieee80211_roc_type type, 4913 const struct iwl_mvm_roc_ops *ops) 4914 { 4915 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4916 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4917 u32 lmac_id; 4918 int ret; 4919 4920 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4921 duration, type); 4922 4923 /* 4924 * Flush the done work, just in case it's still pending, so that 4925 * the work it does can complete and we can accept new frames. 4926 */ 4927 flush_work(&mvm->roc_done_wk); 4928 4929 if (!IS_ERR_OR_NULL(bss_vif)) { 4930 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4931 IWL_MVM_ESR_BLOCKED_ROC); 4932 if (ret) 4933 return ret; 4934 } 4935 4936 guard(mvm)(mvm); 4937 4938 switch (vif->type) { 4939 case NL80211_IFTYPE_STATION: 4940 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4941 4942 /* Use aux roc framework (HS20) */ 4943 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4944 if (!ret) 4945 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4946 return ret; 4947 case NL80211_IFTYPE_P2P_DEVICE: 4948 /* handle below */ 4949 break; 4950 default: 4951 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4952 return -EINVAL; 4953 } 4954 4955 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4956 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4957 return ret; 4958 } 4959 4960 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4961 if (ret) 4962 return ret; 4963 4964 ret = ops->link(mvm, vif); 4965 if (ret) 4966 return ret; 4967 4968 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4969 } 4970 4971 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4972 struct ieee80211_vif *vif) 4973 { 4974 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4975 4976 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4977 4978 iwl_mvm_stop_roc(mvm, vif); 4979 4980 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4981 return 0; 4982 } 4983 4984 struct iwl_mvm_chanctx_usage_data { 4985 struct iwl_mvm *mvm; 4986 struct ieee80211_chanctx_conf *ctx; 4987 bool use_def; 4988 }; 4989 4990 static void iwl_mvm_chanctx_usage_iter(void *_data, u8 *mac, 4991 struct ieee80211_vif *vif) 4992 { 4993 struct iwl_mvm_chanctx_usage_data *data = _data; 4994 struct ieee80211_bss_conf *link_conf; 4995 int link_id; 4996 4997 for_each_vif_active_link(vif, link_conf, link_id) { 4998 if (rcu_access_pointer(link_conf->chanctx_conf) != data->ctx) 4999 continue; 5000 5001 if (iwl_mvm_enable_fils(data->mvm, vif, data->ctx)) 5002 data->use_def = true; 5003 5004 if (vif->type == NL80211_IFTYPE_AP && link_conf->ftmr_params) 5005 data->use_def = true; 5006 } 5007 } 5008 5009 struct cfg80211_chan_def * 5010 iwl_mvm_chanctx_def(struct iwl_mvm *mvm, struct ieee80211_chanctx_conf *ctx) 5011 { 5012 struct iwl_mvm_chanctx_usage_data data = { 5013 .mvm = mvm, 5014 .ctx = ctx, 5015 .use_def = false, 5016 }; 5017 5018 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 5019 IEEE80211_IFACE_ITER_NORMAL, 5020 iwl_mvm_chanctx_usage_iter, 5021 &data); 5022 5023 return data.use_def ? &ctx->def : &ctx->min_def; 5024 } 5025 5026 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 5027 struct ieee80211_chanctx_conf *ctx) 5028 { 5029 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5030 struct iwl_mvm_phy_ctxt *phy_ctxt; 5031 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5032 int ret; 5033 5034 lockdep_assert_held(&mvm->mutex); 5035 5036 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 5037 5038 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5039 if (!phy_ctxt) { 5040 ret = -ENOSPC; 5041 goto out; 5042 } 5043 5044 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5045 ctx->rx_chains_static, 5046 ctx->rx_chains_dynamic); 5047 if (ret) { 5048 IWL_ERR(mvm, "Failed to add PHY context\n"); 5049 goto out; 5050 } 5051 5052 *phy_ctxt_id = phy_ctxt->id; 5053 out: 5054 return ret; 5055 } 5056 5057 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5058 struct ieee80211_chanctx_conf *ctx) 5059 { 5060 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5061 5062 guard(mvm)(mvm); 5063 return __iwl_mvm_add_chanctx(mvm, ctx); 5064 } 5065 5066 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5067 struct ieee80211_chanctx_conf *ctx) 5068 { 5069 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5070 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5071 5072 lockdep_assert_held(&mvm->mutex); 5073 5074 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5075 } 5076 5077 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5078 struct ieee80211_chanctx_conf *ctx) 5079 { 5080 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5081 5082 guard(mvm)(mvm); 5083 __iwl_mvm_remove_chanctx(mvm, ctx); 5084 } 5085 5086 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5087 struct ieee80211_chanctx_conf *ctx, u32 changed) 5088 { 5089 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5090 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5091 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5092 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5093 5094 if (WARN_ONCE((phy_ctxt->ref > 1) && 5095 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5096 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5097 IEEE80211_CHANCTX_CHANGE_RADAR | 5098 IEEE80211_CHANCTX_CHANGE_MIN_DEF)), 5099 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5100 phy_ctxt->ref, changed)) 5101 return; 5102 5103 guard(mvm)(mvm); 5104 5105 /* we are only changing the min_width, may be a noop */ 5106 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_DEF) { 5107 if (phy_ctxt->width == def->width) 5108 return; 5109 5110 /* we are just toggling between 20_NOHT and 20 */ 5111 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5112 def->width <= NL80211_CHAN_WIDTH_20) 5113 return; 5114 } 5115 5116 iwl_mvm_bt_coex_vif_change(mvm); 5117 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5118 ctx->rx_chains_static, 5119 ctx->rx_chains_dynamic); 5120 } 5121 5122 /* 5123 * This function executes the common part for MLD and non-MLD modes. 5124 * 5125 * Returns true if we're done assigning the chanctx 5126 * (either on failure or success) 5127 */ 5128 static bool 5129 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5130 struct ieee80211_vif *vif, 5131 struct ieee80211_chanctx_conf *ctx, 5132 bool switching_chanctx, int *ret) 5133 { 5134 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5135 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5136 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5137 5138 lockdep_assert_held(&mvm->mutex); 5139 5140 mvmvif->deflink.phy_ctxt = phy_ctxt; 5141 5142 switch (vif->type) { 5143 case NL80211_IFTYPE_AP: 5144 /* only needed if we're switching chanctx (i.e. during CSA) */ 5145 if (switching_chanctx) { 5146 mvmvif->ap_ibss_active = true; 5147 break; 5148 } 5149 fallthrough; 5150 case NL80211_IFTYPE_ADHOC: 5151 /* 5152 * The AP binding flow is handled as part of the start_ap flow 5153 * (in bss_info_changed), similarly for IBSS. 5154 */ 5155 *ret = 0; 5156 return true; 5157 case NL80211_IFTYPE_STATION: 5158 break; 5159 case NL80211_IFTYPE_MONITOR: 5160 /* always disable PS when a monitor interface is active */ 5161 mvmvif->ps_disabled = true; 5162 break; 5163 default: 5164 *ret = -EINVAL; 5165 return true; 5166 } 5167 return false; 5168 } 5169 5170 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5171 struct ieee80211_vif *vif, 5172 struct ieee80211_bss_conf *link_conf, 5173 struct ieee80211_chanctx_conf *ctx, 5174 bool switching_chanctx) 5175 { 5176 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5177 int ret; 5178 5179 if (WARN_ON(!link_conf)) 5180 return -EINVAL; 5181 5182 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5183 switching_chanctx, &ret)) 5184 goto out; 5185 5186 ret = iwl_mvm_binding_add_vif(mvm, vif); 5187 if (ret) 5188 goto out; 5189 5190 /* 5191 * Power state must be updated before quotas, 5192 * otherwise fw will complain. 5193 */ 5194 iwl_mvm_power_update_mac(mvm); 5195 5196 /* Setting the quota at this stage is only required for monitor 5197 * interfaces. For the other types, the bss_info changed flow 5198 * will handle quota settings. 5199 */ 5200 if (vif->type == NL80211_IFTYPE_MONITOR) { 5201 mvmvif->monitor_active = true; 5202 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5203 if (ret) 5204 goto out_remove_binding; 5205 5206 ret = iwl_mvm_add_snif_sta(mvm, vif); 5207 if (ret) 5208 goto out_remove_binding; 5209 5210 } 5211 5212 /* Handle binding during CSA */ 5213 if (vif->type == NL80211_IFTYPE_AP) { 5214 iwl_mvm_update_quotas(mvm, false, NULL); 5215 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5216 } 5217 5218 if (vif->type == NL80211_IFTYPE_STATION) { 5219 if (!switching_chanctx) { 5220 mvmvif->csa_bcn_pending = false; 5221 goto out; 5222 } 5223 5224 mvmvif->csa_bcn_pending = true; 5225 5226 if (!fw_has_capa(&mvm->fw->ucode_capa, 5227 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5228 u32 duration = 5 * vif->bss_conf.beacon_int; 5229 5230 /* Protect the session to make sure we hear the first 5231 * beacon on the new channel. 5232 */ 5233 iwl_mvm_protect_session(mvm, vif, duration, duration, 5234 vif->bss_conf.beacon_int / 2, 5235 true); 5236 } 5237 5238 iwl_mvm_update_quotas(mvm, false, NULL); 5239 5240 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5241 link_conf, 5242 false); 5243 } 5244 5245 goto out; 5246 5247 out_remove_binding: 5248 iwl_mvm_binding_remove_vif(mvm, vif); 5249 iwl_mvm_power_update_mac(mvm); 5250 out: 5251 if (ret) 5252 mvmvif->deflink.phy_ctxt = NULL; 5253 return ret; 5254 } 5255 5256 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5257 struct ieee80211_vif *vif, 5258 struct ieee80211_bss_conf *link_conf, 5259 struct ieee80211_chanctx_conf *ctx) 5260 { 5261 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5262 5263 guard(mvm)(mvm); 5264 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5265 } 5266 5267 /* 5268 * This function executes the common part for MLD and non-MLD modes. 5269 * 5270 * Returns if chanctx unassign chanctx is done 5271 * (either on failure or success) 5272 */ 5273 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5274 struct ieee80211_vif *vif, 5275 bool switching_chanctx) 5276 { 5277 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5278 5279 lockdep_assert_held(&mvm->mutex); 5280 iwl_mvm_remove_time_event(mvm, mvmvif, 5281 &mvmvif->time_event_data); 5282 5283 switch (vif->type) { 5284 case NL80211_IFTYPE_ADHOC: 5285 return true; 5286 case NL80211_IFTYPE_MONITOR: 5287 mvmvif->monitor_active = false; 5288 mvmvif->ps_disabled = false; 5289 break; 5290 case NL80211_IFTYPE_AP: 5291 /* This part is triggered only during CSA */ 5292 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5293 return true; 5294 5295 mvmvif->csa_countdown = false; 5296 5297 /* Set CS bit on all the stations */ 5298 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5299 5300 /* Save blocked iface, the timeout is set on the next beacon */ 5301 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5302 5303 mvmvif->ap_ibss_active = false; 5304 break; 5305 default: 5306 break; 5307 } 5308 return false; 5309 } 5310 5311 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5312 struct ieee80211_vif *vif, 5313 struct ieee80211_bss_conf *link_conf, 5314 struct ieee80211_chanctx_conf *ctx, 5315 bool switching_chanctx) 5316 { 5317 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5318 struct ieee80211_vif *disabled_vif = NULL; 5319 5320 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5321 goto out; 5322 5323 if (vif->type == NL80211_IFTYPE_MONITOR) 5324 iwl_mvm_rm_snif_sta(mvm, vif); 5325 5326 5327 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5328 disabled_vif = vif; 5329 if (!fw_has_capa(&mvm->fw->ucode_capa, 5330 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5331 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5332 } 5333 5334 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5335 iwl_mvm_binding_remove_vif(mvm, vif); 5336 5337 out: 5338 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5339 switching_chanctx) 5340 return; 5341 mvmvif->deflink.phy_ctxt = NULL; 5342 iwl_mvm_power_update_mac(mvm); 5343 } 5344 5345 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5346 struct ieee80211_vif *vif, 5347 struct ieee80211_bss_conf *link_conf, 5348 struct ieee80211_chanctx_conf *ctx) 5349 { 5350 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5351 5352 guard(mvm)(mvm); 5353 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5354 } 5355 5356 static int 5357 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5358 struct ieee80211_vif_chanctx_switch *vifs, 5359 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5360 { 5361 int ret; 5362 5363 guard(mvm)(mvm); 5364 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5365 vifs[0].old_ctx, true); 5366 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5367 5368 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5369 if (ret) { 5370 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5371 goto out_reassign; 5372 } 5373 5374 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5375 vifs[0].new_ctx, true); 5376 if (ret) { 5377 IWL_ERR(mvm, 5378 "failed to assign new_ctx during channel switch\n"); 5379 goto out_remove; 5380 } 5381 5382 /* we don't support TDLS during DCM - can be caused by channel switch */ 5383 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5384 iwl_mvm_teardown_tdls_peers(mvm); 5385 5386 return 0; 5387 5388 out_remove: 5389 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5390 5391 out_reassign: 5392 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5393 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5394 goto out_restart; 5395 } 5396 5397 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5398 vifs[0].old_ctx, true)) { 5399 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5400 goto out_restart; 5401 } 5402 5403 return ret; 5404 5405 out_restart: 5406 /* things keep failing, better restart the hw */ 5407 iwl_force_nmi(mvm->trans); 5408 return ret; 5409 } 5410 5411 static int 5412 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5413 struct ieee80211_vif_chanctx_switch *vifs, 5414 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5415 { 5416 int ret; 5417 5418 guard(mvm)(mvm); 5419 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5420 vifs[0].old_ctx, true); 5421 5422 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5423 vifs[0].new_ctx, true); 5424 if (ret) { 5425 IWL_ERR(mvm, 5426 "failed to assign new_ctx during channel switch\n"); 5427 goto out_reassign; 5428 } 5429 5430 return 0; 5431 5432 out_reassign: 5433 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5434 vifs[0].old_ctx, true)) { 5435 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5436 goto out_restart; 5437 } 5438 5439 return ret; 5440 5441 out_restart: 5442 /* things keep failing, better restart the hw */ 5443 iwl_force_nmi(mvm->trans); 5444 return ret; 5445 } 5446 5447 /* Execute the common part for both MLD and non-MLD modes */ 5448 int 5449 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5450 struct ieee80211_vif_chanctx_switch *vifs, 5451 int n_vifs, 5452 enum ieee80211_chanctx_switch_mode mode, 5453 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5454 { 5455 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5456 int ret; 5457 5458 /* we only support a single-vif right now */ 5459 if (n_vifs > 1) 5460 return -EOPNOTSUPP; 5461 5462 switch (mode) { 5463 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5464 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5465 break; 5466 case CHANCTX_SWMODE_REASSIGN_VIF: 5467 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5468 break; 5469 default: 5470 ret = -EOPNOTSUPP; 5471 break; 5472 } 5473 5474 return ret; 5475 } 5476 5477 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5478 struct ieee80211_vif_chanctx_switch *vifs, 5479 int n_vifs, 5480 enum ieee80211_chanctx_switch_mode mode) 5481 { 5482 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5483 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5484 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5485 }; 5486 5487 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5488 } 5489 5490 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5491 { 5492 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5493 5494 return mvm->ibss_manager; 5495 } 5496 5497 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5498 bool set) 5499 { 5500 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5501 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5502 5503 if (!mvm_sta || !mvm_sta->vif) { 5504 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5505 return -EINVAL; 5506 } 5507 5508 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5509 &mvm_sta->vif->bss_conf); 5510 } 5511 5512 #ifdef CONFIG_NL80211_TESTMODE 5513 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5514 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5515 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5516 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5517 }; 5518 5519 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5520 struct ieee80211_vif *vif, 5521 void *data, int len) 5522 { 5523 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5524 int err; 5525 u32 noa_duration; 5526 5527 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5528 iwl_mvm_tm_policy, NULL); 5529 if (err) 5530 return err; 5531 5532 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5533 return -EINVAL; 5534 5535 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5536 case IWL_MVM_TM_CMD_SET_NOA: 5537 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5538 !vif->bss_conf.enable_beacon || 5539 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5540 return -EINVAL; 5541 5542 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5543 if (noa_duration >= vif->bss_conf.beacon_int) 5544 return -EINVAL; 5545 5546 mvm->noa_duration = noa_duration; 5547 mvm->noa_vif = vif; 5548 5549 return iwl_mvm_update_quotas(mvm, true, NULL); 5550 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5551 /* must be associated client vif - ignore authorized */ 5552 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5553 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5554 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5555 return -EINVAL; 5556 5557 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5558 return iwl_mvm_enable_beacon_filter(mvm, vif); 5559 return iwl_mvm_disable_beacon_filter(mvm, vif); 5560 } 5561 5562 return -EOPNOTSUPP; 5563 } 5564 5565 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5566 struct ieee80211_vif *vif, 5567 void *data, int len) 5568 { 5569 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5570 5571 guard(mvm)(mvm); 5572 return __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5573 } 5574 #endif 5575 5576 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5577 struct ieee80211_channel_switch *chsw) 5578 { 5579 /* By implementing this operation, we prevent mac80211 from 5580 * starting its own channel switch timer, so that we can call 5581 * ieee80211_chswitch_done() ourselves at the right time 5582 * (which is when the absence time event starts). 5583 */ 5584 5585 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5586 "dummy channel switch op\n"); 5587 } 5588 5589 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5590 struct ieee80211_vif *vif, 5591 struct ieee80211_channel_switch *chsw) 5592 { 5593 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5594 struct iwl_chan_switch_te_cmd cmd = { 5595 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5596 mvmvif->color)), 5597 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5598 .tsf = cpu_to_le32(chsw->timestamp), 5599 .cs_count = chsw->count, 5600 .cs_mode = chsw->block_tx, 5601 }; 5602 5603 lockdep_assert_held(&mvm->mutex); 5604 5605 if (chsw->delay) 5606 cmd.cs_delayed_bcn_count = 5607 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5608 5609 return iwl_mvm_send_cmd_pdu(mvm, 5610 WIDE_ID(MAC_CONF_GROUP, 5611 CHANNEL_SWITCH_TIME_EVENT_CMD), 5612 0, sizeof(cmd), &cmd); 5613 } 5614 5615 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5616 struct ieee80211_vif *vif, 5617 struct ieee80211_channel_switch *chsw) 5618 { 5619 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5620 u32 apply_time; 5621 5622 /* Schedule the time event to a bit before beacon 1, 5623 * to make sure we're in the new channel when the 5624 * GO/AP arrives. In case count <= 1 immediately schedule the 5625 * TE (this might result with some packet loss or connection 5626 * loss). 5627 */ 5628 if (chsw->count <= 1) 5629 apply_time = 0; 5630 else 5631 apply_time = chsw->device_timestamp + 5632 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5633 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5634 5635 if (chsw->block_tx) 5636 iwl_mvm_csa_client_absent(mvm, vif); 5637 5638 if (mvmvif->bf_enabled) { 5639 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5640 5641 if (ret) 5642 return ret; 5643 } 5644 5645 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5646 apply_time); 5647 5648 return 0; 5649 } 5650 5651 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5652 { 5653 int i; 5654 5655 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5656 struct iwl_mvm_txq *mvmtxq = 5657 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5658 5659 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5660 } 5661 } 5662 5663 #define IWL_MAX_CSA_BLOCK_TX 1500 5664 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5665 struct ieee80211_vif *vif, 5666 struct ieee80211_channel_switch *chsw) 5667 { 5668 struct ieee80211_vif *csa_vif; 5669 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5670 struct iwl_mvm_txq *mvmtxq; 5671 int ret; 5672 5673 lockdep_assert_held(&mvm->mutex); 5674 5675 mvmvif->csa_failed = false; 5676 mvmvif->csa_blocks_tx = false; 5677 5678 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5679 chsw->chandef.center_freq1); 5680 5681 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5682 ieee80211_vif_to_wdev(vif), 5683 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5684 5685 switch (vif->type) { 5686 case NL80211_IFTYPE_AP: 5687 csa_vif = 5688 rcu_dereference_protected(mvm->csa_vif, 5689 lockdep_is_held(&mvm->mutex)); 5690 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5691 "Another CSA is already in progress")) 5692 return -EBUSY; 5693 5694 /* we still didn't unblock tx. prevent new CS meanwhile */ 5695 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5696 lockdep_is_held(&mvm->mutex))) 5697 return -EBUSY; 5698 5699 rcu_assign_pointer(mvm->csa_vif, vif); 5700 5701 if (WARN_ONCE(mvmvif->csa_countdown, 5702 "Previous CSA countdown didn't complete")) 5703 return -EBUSY; 5704 5705 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5706 5707 if (!chsw->block_tx) 5708 break; 5709 /* don't need blocking in driver otherwise - mac80211 will do */ 5710 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5711 break; 5712 5713 mvmvif->csa_blocks_tx = true; 5714 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5715 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5716 ieee80211_iterate_stations_atomic(mvm->hw, 5717 iwl_mvm_csa_block_txqs, 5718 NULL); 5719 break; 5720 case NL80211_IFTYPE_STATION: 5721 mvmvif->csa_blocks_tx = chsw->block_tx; 5722 5723 /* 5724 * In the new flow FW is in charge of timing the switch so there 5725 * is no need for all of this 5726 */ 5727 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5728 CHANNEL_SWITCH_ERROR_NOTIF, 5729 0)) 5730 break; 5731 5732 /* 5733 * We haven't configured the firmware to be associated yet since 5734 * we don't know the dtim period. In this case, the firmware can't 5735 * track the beacons. 5736 */ 5737 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5738 return -EBUSY; 5739 5740 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5741 hweight16(vif->valid_links) <= 1) 5742 schedule_delayed_work(&mvmvif->csa_work, 0); 5743 5744 if (chsw->block_tx) { 5745 /* 5746 * In case of undetermined / long time with immediate 5747 * quiet monitor status to gracefully disconnect 5748 */ 5749 if (!chsw->count || 5750 chsw->count * vif->bss_conf.beacon_int > 5751 IWL_MAX_CSA_BLOCK_TX) 5752 schedule_delayed_work(&mvmvif->csa_work, 5753 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5754 } 5755 5756 if (!fw_has_capa(&mvm->fw->ucode_capa, 5757 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5758 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5759 if (ret) 5760 return ret; 5761 } else { 5762 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5763 } 5764 5765 mvmvif->csa_count = chsw->count; 5766 mvmvif->csa_misbehave = false; 5767 break; 5768 default: 5769 break; 5770 } 5771 5772 mvmvif->ps_disabled = true; 5773 5774 ret = iwl_mvm_power_update_ps(mvm); 5775 if (ret) 5776 return ret; 5777 5778 /* we won't be on this channel any longer */ 5779 iwl_mvm_teardown_tdls_peers(mvm); 5780 5781 return ret; 5782 } 5783 5784 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5785 struct ieee80211_vif *vif, 5786 struct ieee80211_channel_switch *chsw) 5787 { 5788 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5789 5790 guard(mvm)(mvm); 5791 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5792 } 5793 5794 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5795 struct ieee80211_vif *vif, 5796 struct ieee80211_channel_switch *chsw) 5797 { 5798 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5799 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5800 struct iwl_chan_switch_te_cmd cmd = { 5801 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5802 mvmvif->color)), 5803 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5804 .tsf = cpu_to_le32(chsw->timestamp), 5805 .cs_count = chsw->count, 5806 .cs_mode = chsw->block_tx, 5807 }; 5808 5809 /* 5810 * In the new flow FW is in charge of timing the switch so there is no 5811 * need for all of this 5812 */ 5813 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5814 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5815 return; 5816 5817 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5818 return; 5819 5820 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5821 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5822 5823 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5824 if (mvmvif->csa_misbehave) { 5825 struct ieee80211_bss_conf *link_conf; 5826 5827 /* Second time, give up on this AP*/ 5828 5829 link_conf = wiphy_dereference(hw->wiphy, 5830 vif->link_conf[chsw->link_id]); 5831 if (WARN_ON(!link_conf)) 5832 return; 5833 5834 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5835 ieee80211_chswitch_done(vif, false, 0); 5836 mvmvif->csa_misbehave = false; 5837 return; 5838 } 5839 mvmvif->csa_misbehave = true; 5840 } 5841 mvmvif->csa_count = chsw->count; 5842 5843 guard(mvm)(mvm); 5844 if (mvmvif->csa_failed) 5845 return; 5846 5847 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5848 WIDE_ID(MAC_CONF_GROUP, 5849 CHANNEL_SWITCH_TIME_EVENT_CMD), 5850 0, sizeof(cmd), &cmd)); 5851 } 5852 5853 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5854 { 5855 int i; 5856 5857 if (!iwl_mvm_has_new_tx_api(mvm)) { 5858 /* we can't ask the firmware anything if it is dead */ 5859 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5860 &mvm->status)) 5861 return; 5862 if (drop) { 5863 guard(mvm)(mvm); 5864 iwl_mvm_flush_tx_path(mvm, 5865 iwl_mvm_flushable_queues(mvm) & queues); 5866 } else { 5867 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5868 } 5869 return; 5870 } 5871 5872 guard(mvm)(mvm); 5873 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5874 struct ieee80211_sta *sta; 5875 5876 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5877 lockdep_is_held(&mvm->mutex)); 5878 if (IS_ERR_OR_NULL(sta)) 5879 continue; 5880 5881 if (drop) 5882 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5883 else 5884 iwl_mvm_wait_sta_queues_empty(mvm, 5885 iwl_mvm_sta_from_mac80211(sta)); 5886 } 5887 } 5888 5889 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5890 u32 queues, bool drop) 5891 { 5892 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5893 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5894 struct iwl_mvm_sta *mvmsta; 5895 struct ieee80211_sta *sta; 5896 bool ap_sta_done = false; 5897 int i; 5898 u32 msk = 0; 5899 5900 if (!vif) { 5901 iwl_mvm_flush_no_vif(mvm, queues, drop); 5902 return; 5903 } 5904 5905 if (!drop && hweight16(vif->active_links) <= 1) { 5906 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5907 struct ieee80211_bss_conf *link_conf; 5908 5909 link_conf = wiphy_dereference(hw->wiphy, 5910 vif->link_conf[link_id]); 5911 if (WARN_ON(!link_conf)) 5912 return; 5913 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5914 drop = true; 5915 } 5916 5917 /* Make sure we're done with the deferred traffic before flushing */ 5918 flush_work(&mvm->add_stream_wk); 5919 5920 mutex_lock(&mvm->mutex); 5921 5922 /* flush the AP-station and all TDLS peers */ 5923 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5924 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5925 lockdep_is_held(&mvm->mutex)); 5926 if (IS_ERR_OR_NULL(sta)) 5927 continue; 5928 5929 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5930 if (mvmsta->vif != vif) 5931 continue; 5932 5933 if (sta == mvmvif->ap_sta) { 5934 if (ap_sta_done) 5935 continue; 5936 ap_sta_done = true; 5937 } 5938 5939 if (drop) { 5940 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5941 mvmsta->tfd_queue_msk)) 5942 IWL_ERR(mvm, "flush request fail\n"); 5943 } else { 5944 if (iwl_mvm_has_new_tx_api(mvm)) 5945 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5946 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5947 msk |= mvmsta->tfd_queue_msk; 5948 } 5949 } 5950 5951 mutex_unlock(&mvm->mutex); 5952 5953 /* this can take a while, and we may need/want other operations 5954 * to succeed while doing this, so do it without the mutex held 5955 * If the firmware is dead, this can't work... 5956 */ 5957 if (!drop && !iwl_mvm_has_new_tx_api(mvm) && 5958 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5959 &mvm->status)) 5960 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5961 } 5962 5963 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5964 struct ieee80211_sta *sta) 5965 { 5966 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5967 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5968 struct iwl_mvm_link_sta *mvm_link_sta; 5969 struct ieee80211_link_sta *link_sta; 5970 int link_id; 5971 5972 guard(mvm)(mvm); 5973 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5974 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5975 lockdep_is_held(&mvm->mutex)); 5976 if (!mvm_link_sta) 5977 continue; 5978 5979 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5980 mvmsta->tfd_queue_msk)) 5981 IWL_ERR(mvm, "flush request fail\n"); 5982 } 5983 } 5984 5985 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5986 struct survey_info *survey) 5987 { 5988 int chan_idx; 5989 enum nl80211_band band; 5990 int ret; 5991 5992 mutex_lock(&mvm->mutex); 5993 5994 if (!mvm->acs_survey) { 5995 ret = -ENOENT; 5996 goto out; 5997 } 5998 5999 /* Find and return the next entry that has a non-zero active time */ 6000 for (band = 0; band < NUM_NL80211_BANDS; band++) { 6001 struct ieee80211_supported_band *sband = 6002 mvm->hw->wiphy->bands[band]; 6003 6004 if (!sband) 6005 continue; 6006 6007 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 6008 struct iwl_mvm_acs_survey_channel *info = 6009 &mvm->acs_survey->bands[band][chan_idx]; 6010 6011 if (!info->time) 6012 continue; 6013 6014 /* Found (the next) channel to report */ 6015 survey->channel = &sband->channels[chan_idx]; 6016 survey->filled = SURVEY_INFO_TIME | 6017 SURVEY_INFO_TIME_BUSY | 6018 SURVEY_INFO_TIME_RX | 6019 SURVEY_INFO_TIME_TX; 6020 survey->time = info->time; 6021 survey->time_busy = info->time_busy; 6022 survey->time_rx = info->time_rx; 6023 survey->time_tx = info->time_tx; 6024 survey->noise = info->noise; 6025 if (survey->noise < 0) 6026 survey->filled |= SURVEY_INFO_NOISE_DBM; 6027 6028 /* Clear time so that channel is only reported once */ 6029 info->time = 0; 6030 6031 ret = 0; 6032 goto out; 6033 } 6034 } 6035 6036 ret = -ENOENT; 6037 6038 out: 6039 mutex_unlock(&mvm->mutex); 6040 6041 return ret; 6042 } 6043 6044 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 6045 struct survey_info *survey) 6046 { 6047 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6048 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6049 WIDE_ID(SYSTEM_GROUP, 6050 SYSTEM_STATISTICS_CMD), 6051 IWL_FW_CMD_VER_UNKNOWN); 6052 6053 memset(survey, 0, sizeof(*survey)); 6054 6055 if (!fw_has_capa(&mvm->fw->ucode_capa, 6056 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6057 return -ENOENT; 6058 6059 /* 6060 * Return the beacon stats at index zero and pass on following indices 6061 * to the function returning the full survey, most likely for ACS 6062 * (Automatic Channel Selection). 6063 */ 6064 if (idx > 0) 6065 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6066 6067 guard(mvm)(mvm); 6068 6069 if (iwl_mvm_firmware_running(mvm)) { 6070 int ret = iwl_mvm_request_statistics(mvm, false); 6071 6072 if (ret) 6073 return ret; 6074 } 6075 6076 survey->filled = SURVEY_INFO_TIME_RX | 6077 SURVEY_INFO_TIME_TX; 6078 6079 survey->time_rx = mvm->accu_radio_stats.rx_time + 6080 mvm->radio_stats.rx_time; 6081 do_div(survey->time_rx, USEC_PER_MSEC); 6082 6083 survey->time_tx = mvm->accu_radio_stats.tx_time + 6084 mvm->radio_stats.tx_time; 6085 do_div(survey->time_tx, USEC_PER_MSEC); 6086 6087 /* the new fw api doesn't support the following fields */ 6088 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6089 return 0; 6090 6091 survey->filled |= SURVEY_INFO_TIME | 6092 SURVEY_INFO_TIME_SCAN; 6093 survey->time = mvm->accu_radio_stats.on_time_rf + 6094 mvm->radio_stats.on_time_rf; 6095 do_div(survey->time, USEC_PER_MSEC); 6096 6097 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6098 mvm->radio_stats.on_time_scan; 6099 do_div(survey->time_scan, USEC_PER_MSEC); 6100 6101 return 0; 6102 } 6103 6104 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6105 { 6106 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6107 u32 gi_ltf; 6108 6109 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6110 case RATE_MCS_CHAN_WIDTH_20: 6111 rinfo->bw = RATE_INFO_BW_20; 6112 break; 6113 case RATE_MCS_CHAN_WIDTH_40: 6114 rinfo->bw = RATE_INFO_BW_40; 6115 break; 6116 case RATE_MCS_CHAN_WIDTH_80: 6117 rinfo->bw = RATE_INFO_BW_80; 6118 break; 6119 case RATE_MCS_CHAN_WIDTH_160: 6120 rinfo->bw = RATE_INFO_BW_160; 6121 break; 6122 case RATE_MCS_CHAN_WIDTH_320: 6123 rinfo->bw = RATE_INFO_BW_320; 6124 break; 6125 } 6126 6127 if (format == RATE_MCS_CCK_MSK || 6128 format == RATE_MCS_LEGACY_OFDM_MSK) { 6129 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6130 6131 /* add the offset needed to get to the legacy ofdm indices */ 6132 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6133 rate += IWL_FIRST_OFDM_RATE; 6134 6135 switch (rate) { 6136 case IWL_RATE_1M_INDEX: 6137 rinfo->legacy = 10; 6138 break; 6139 case IWL_RATE_2M_INDEX: 6140 rinfo->legacy = 20; 6141 break; 6142 case IWL_RATE_5M_INDEX: 6143 rinfo->legacy = 55; 6144 break; 6145 case IWL_RATE_11M_INDEX: 6146 rinfo->legacy = 110; 6147 break; 6148 case IWL_RATE_6M_INDEX: 6149 rinfo->legacy = 60; 6150 break; 6151 case IWL_RATE_9M_INDEX: 6152 rinfo->legacy = 90; 6153 break; 6154 case IWL_RATE_12M_INDEX: 6155 rinfo->legacy = 120; 6156 break; 6157 case IWL_RATE_18M_INDEX: 6158 rinfo->legacy = 180; 6159 break; 6160 case IWL_RATE_24M_INDEX: 6161 rinfo->legacy = 240; 6162 break; 6163 case IWL_RATE_36M_INDEX: 6164 rinfo->legacy = 360; 6165 break; 6166 case IWL_RATE_48M_INDEX: 6167 rinfo->legacy = 480; 6168 break; 6169 case IWL_RATE_54M_INDEX: 6170 rinfo->legacy = 540; 6171 } 6172 return; 6173 } 6174 6175 rinfo->nss = u32_get_bits(rate_n_flags, 6176 RATE_MCS_NSS_MSK) + 1; 6177 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6178 RATE_HT_MCS_INDEX(rate_n_flags) : 6179 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6180 6181 if (rate_n_flags & RATE_MCS_SGI_MSK) 6182 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6183 6184 switch (format) { 6185 case RATE_MCS_EHT_MSK: 6186 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6187 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6188 break; 6189 case RATE_MCS_HE_MSK: 6190 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6191 6192 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6193 6194 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6195 rinfo->bw = RATE_INFO_BW_HE_RU; 6196 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6197 } 6198 6199 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6200 case RATE_MCS_HE_TYPE_SU: 6201 case RATE_MCS_HE_TYPE_EXT_SU: 6202 if (gi_ltf == 0 || gi_ltf == 1) 6203 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6204 else if (gi_ltf == 2) 6205 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6206 else if (gi_ltf == 3) 6207 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6208 else 6209 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6210 break; 6211 case RATE_MCS_HE_TYPE_MU: 6212 if (gi_ltf == 0 || gi_ltf == 1) 6213 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6214 else if (gi_ltf == 2) 6215 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6216 else 6217 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6218 break; 6219 case RATE_MCS_HE_TYPE_TRIG: 6220 if (gi_ltf == 0 || gi_ltf == 1) 6221 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6222 else 6223 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6224 break; 6225 } 6226 6227 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6228 rinfo->he_dcm = 1; 6229 break; 6230 case RATE_MCS_HT_MSK: 6231 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6232 break; 6233 case RATE_MCS_VHT_MSK: 6234 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6235 break; 6236 } 6237 } 6238 6239 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6240 struct ieee80211_vif *vif, 6241 struct ieee80211_sta *sta, 6242 struct station_info *sinfo) 6243 { 6244 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6245 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6246 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6247 int i; 6248 6249 if (mvmsta->deflink.avg_energy) { 6250 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6251 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6252 } 6253 6254 if (iwl_mvm_has_tlc_offload(mvm)) { 6255 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6256 6257 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6258 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6259 } 6260 6261 /* if beacon filtering isn't on mac80211 does it anyway */ 6262 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6263 return; 6264 6265 if (!vif->cfg.assoc) 6266 return; 6267 6268 guard(mvm)(mvm); 6269 6270 if (sta != mvmvif->ap_sta) 6271 return; 6272 6273 if (iwl_mvm_request_statistics(mvm, false)) 6274 return; 6275 6276 sinfo->rx_beacon = 0; 6277 for_each_mvm_vif_valid_link(mvmvif, i) 6278 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6279 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6280 6281 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6282 if (mvmvif->deflink.beacon_stats.avg_signal) { 6283 /* firmware only reports a value after RXing a few beacons */ 6284 sinfo->rx_beacon_signal_avg = 6285 mvmvif->deflink.beacon_stats.avg_signal; 6286 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6287 } 6288 } 6289 6290 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6291 struct ieee80211_vif *vif, 6292 const struct ieee80211_mlme_event *mlme) 6293 { 6294 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6295 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6296 iwl_dbg_tlv_time_point(&mvm->fwrt, 6297 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6298 NULL); 6299 return; 6300 } 6301 6302 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6303 iwl_dbg_tlv_time_point(&mvm->fwrt, 6304 IWL_FW_INI_TIME_POINT_DEASSOC, 6305 NULL); 6306 return; 6307 } 6308 } 6309 6310 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6311 struct ieee80211_vif *vif, 6312 const struct ieee80211_event *event) 6313 { 6314 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6315 do { \ 6316 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6317 break; \ 6318 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6319 } while (0) 6320 6321 struct iwl_fw_dbg_trigger_tlv *trig; 6322 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6323 6324 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6325 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6326 return; 6327 } 6328 6329 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6330 FW_DBG_TRIGGER_MLME); 6331 if (!trig) 6332 return; 6333 6334 trig_mlme = (void *)trig->data; 6335 6336 if (event->u.mlme.data == ASSOC_EVENT) { 6337 if (event->u.mlme.status == MLME_DENIED) 6338 CHECK_MLME_TRIGGER(stop_assoc_denied, 6339 "DENIED ASSOC: reason %d", 6340 event->u.mlme.reason); 6341 else if (event->u.mlme.status == MLME_TIMEOUT) 6342 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6343 "ASSOC TIMEOUT"); 6344 } else if (event->u.mlme.data == AUTH_EVENT) { 6345 if (event->u.mlme.status == MLME_DENIED) 6346 CHECK_MLME_TRIGGER(stop_auth_denied, 6347 "DENIED AUTH: reason %d", 6348 event->u.mlme.reason); 6349 else if (event->u.mlme.status == MLME_TIMEOUT) 6350 CHECK_MLME_TRIGGER(stop_auth_timeout, 6351 "AUTH TIMEOUT"); 6352 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6353 CHECK_MLME_TRIGGER(stop_rx_deauth, 6354 "DEAUTH RX %d", event->u.mlme.reason); 6355 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6356 CHECK_MLME_TRIGGER(stop_tx_deauth, 6357 "DEAUTH TX %d", event->u.mlme.reason); 6358 } 6359 #undef CHECK_MLME_TRIGGER 6360 } 6361 6362 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6363 struct ieee80211_vif *vif, 6364 const struct ieee80211_event *event) 6365 { 6366 struct iwl_fw_dbg_trigger_tlv *trig; 6367 struct iwl_fw_dbg_trigger_ba *ba_trig; 6368 6369 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6370 FW_DBG_TRIGGER_BA); 6371 if (!trig) 6372 return; 6373 6374 ba_trig = (void *)trig->data; 6375 6376 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6377 return; 6378 6379 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6380 "BAR received from %pM, tid %d, ssn %d", 6381 event->u.ba.sta->addr, event->u.ba.tid, 6382 event->u.ba.ssn); 6383 } 6384 6385 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6386 struct ieee80211_vif *vif, 6387 const struct ieee80211_event *event) 6388 { 6389 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6390 6391 switch (event->type) { 6392 case MLME_EVENT: 6393 iwl_mvm_event_mlme_callback(mvm, vif, event); 6394 break; 6395 case BAR_RX_EVENT: 6396 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6397 break; 6398 case BA_FRAME_TIMEOUT: 6399 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6400 event->u.ba.tid); 6401 break; 6402 default: 6403 break; 6404 } 6405 } 6406 6407 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6408 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6409 enum iwl_mvm_rxq_notif_type type, 6410 bool sync, 6411 const void *data, u32 size) 6412 { 6413 struct { 6414 struct iwl_rxq_sync_cmd cmd; 6415 struct iwl_mvm_internal_rxq_notif notif; 6416 } __packed cmd = { 6417 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6418 .cmd.count = 6419 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6420 size), 6421 .notif.type = type, 6422 .notif.sync = sync, 6423 }; 6424 struct iwl_host_cmd hcmd = { 6425 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6426 .data[0] = &cmd, 6427 .len[0] = sizeof(cmd), 6428 .data[1] = data, 6429 .len[1] = size, 6430 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6431 }; 6432 int ret; 6433 6434 /* size must be a multiple of DWORD */ 6435 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6436 return; 6437 6438 if (!iwl_mvm_has_new_rx_api(mvm)) 6439 return; 6440 6441 if (sync) { 6442 cmd.notif.cookie = mvm->queue_sync_cookie; 6443 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6444 } 6445 6446 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6447 if (ret) { 6448 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6449 goto out; 6450 } 6451 6452 if (sync) { 6453 lockdep_assert_held(&mvm->mutex); 6454 ret = wait_event_timeout(mvm->rx_sync_waitq, 6455 READ_ONCE(mvm->queue_sync_state) == 0, 6456 SYNC_RX_QUEUE_TIMEOUT); 6457 WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6458 mvm->queue_sync_state, 6459 mvm->queue_sync_cookie); 6460 } 6461 6462 out: 6463 if (sync) { 6464 mvm->queue_sync_state = 0; 6465 mvm->queue_sync_cookie++; 6466 } 6467 } 6468 6469 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6470 { 6471 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6472 6473 guard(mvm)(mvm); 6474 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6475 } 6476 6477 int 6478 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6479 struct ieee80211_vif *vif, 6480 struct cfg80211_ftm_responder_stats *stats) 6481 { 6482 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6483 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6484 6485 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6486 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6487 return -EINVAL; 6488 6489 mutex_lock(&mvm->mutex); 6490 *stats = mvm->ftm_resp_stats; 6491 mutex_unlock(&mvm->mutex); 6492 6493 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6494 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6495 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6496 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6497 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6498 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6499 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6500 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6501 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6502 6503 return 0; 6504 } 6505 6506 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6507 struct cfg80211_pmsr_request *request) 6508 { 6509 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6510 6511 guard(mvm)(mvm); 6512 return iwl_mvm_ftm_start(mvm, vif, request); 6513 } 6514 6515 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6516 struct cfg80211_pmsr_request *request) 6517 { 6518 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6519 6520 guard(mvm)(mvm); 6521 iwl_mvm_ftm_abort(mvm, request); 6522 } 6523 6524 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6525 { 6526 u8 protocol = ip_hdr(skb)->protocol; 6527 6528 if (!IS_ENABLED(CONFIG_INET)) 6529 return false; 6530 6531 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6532 } 6533 6534 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6535 struct sk_buff *head, 6536 struct sk_buff *skb) 6537 { 6538 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6539 6540 /* For now don't aggregate IPv6 in AMSDU */ 6541 if (skb->protocol != htons(ETH_P_IP)) 6542 return false; 6543 6544 if (!iwl_mvm_is_csum_supported(mvm)) 6545 return true; 6546 6547 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6548 } 6549 6550 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6551 struct ieee80211_vif *vif, 6552 struct cfg80211_set_hw_timestamp *hwts) 6553 { 6554 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6555 u32 protocols = 0; 6556 6557 /* HW timestamping is only supported for a specific station */ 6558 if (!hwts->macaddr) 6559 return -EOPNOTSUPP; 6560 6561 if (hwts->enable) 6562 protocols = 6563 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6564 6565 guard(mvm)(mvm); 6566 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6567 } 6568 6569 const struct ieee80211_ops iwl_mvm_hw_ops = { 6570 .tx = iwl_mvm_mac_tx, 6571 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6572 .ampdu_action = iwl_mvm_mac_ampdu_action, 6573 .get_antenna = iwl_mvm_op_get_antenna, 6574 .set_antenna = iwl_mvm_op_set_antenna, 6575 .start = iwl_mvm_mac_start, 6576 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6577 .stop = iwl_mvm_mac_stop, 6578 .add_interface = iwl_mvm_mac_add_interface, 6579 .remove_interface = iwl_mvm_mac_remove_interface, 6580 .config = iwl_mvm_mac_config, 6581 .prepare_multicast = iwl_mvm_prepare_multicast, 6582 .configure_filter = iwl_mvm_configure_filter, 6583 .config_iface_filter = iwl_mvm_config_iface_filter, 6584 .bss_info_changed = iwl_mvm_bss_info_changed, 6585 .hw_scan = iwl_mvm_mac_hw_scan, 6586 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6587 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6588 .sta_state = iwl_mvm_mac_sta_state, 6589 .sta_notify = iwl_mvm_mac_sta_notify, 6590 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6591 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6592 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6593 .link_sta_rc_update = iwl_mvm_sta_rc_update, 6594 .conf_tx = iwl_mvm_mac_conf_tx, 6595 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6596 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6597 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6598 .flush = iwl_mvm_mac_flush, 6599 .flush_sta = iwl_mvm_mac_flush_sta, 6600 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6601 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6602 .set_key = iwl_mvm_mac_set_key, 6603 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6604 .remain_on_channel = iwl_mvm_roc, 6605 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6606 .add_chanctx = iwl_mvm_add_chanctx, 6607 .remove_chanctx = iwl_mvm_remove_chanctx, 6608 .change_chanctx = iwl_mvm_change_chanctx, 6609 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6610 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6611 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6612 6613 .start_ap = iwl_mvm_start_ap, 6614 .stop_ap = iwl_mvm_stop_ap, 6615 .join_ibss = iwl_mvm_start_ibss, 6616 .leave_ibss = iwl_mvm_stop_ibss, 6617 6618 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6619 6620 .set_tim = iwl_mvm_set_tim, 6621 6622 .channel_switch = iwl_mvm_channel_switch, 6623 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6624 .post_channel_switch = iwl_mvm_post_channel_switch, 6625 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6626 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6627 6628 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6629 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6630 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6631 6632 .event_callback = iwl_mvm_mac_event_callback, 6633 6634 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6635 6636 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6637 6638 #ifdef CONFIG_PM_SLEEP 6639 /* look at d3.c */ 6640 .suspend = iwl_mvm_suspend, 6641 .resume = iwl_mvm_resume, 6642 .set_wakeup = iwl_mvm_set_wakeup, 6643 .set_rekey_data = iwl_mvm_set_rekey_data, 6644 #if IS_ENABLED(CONFIG_IPV6) 6645 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6646 #endif 6647 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6648 #endif 6649 .get_survey = iwl_mvm_mac_get_survey, 6650 .sta_statistics = iwl_mvm_mac_sta_statistics, 6651 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6652 .start_pmsr = iwl_mvm_start_pmsr, 6653 .abort_pmsr = iwl_mvm_abort_pmsr, 6654 6655 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6656 #ifdef CONFIG_IWLWIFI_DEBUGFS 6657 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6658 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6659 #endif 6660 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6661 }; 6662