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_MVM_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, false); 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 ret = iwl_mvm_fast_resume(mvm); 1241 if (ret) { 1242 iwl_mvm_stop_device(mvm); 1243 /* iwl_mvm_up() will be called further down */ 1244 } else { 1245 /* 1246 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1247 * mac_down() so that debugfs will stop honoring 1248 * requests after we flush all the workers. 1249 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1250 * now that we are back. This is a bit abusing the 1251 * flag since the firmware wasn't really ever stopped, 1252 * but this still serves the purpose. 1253 */ 1254 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1255 } 1256 } 1257 #endif /* CONFIG_PM_SLEEP */ 1258 1259 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1260 /* 1261 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1262 * so later code will - from now on - see that we're doing it. 1263 */ 1264 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1265 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1266 /* Clean up some internal and mac80211 state on restart */ 1267 iwl_mvm_restart_cleanup(mvm); 1268 } 1269 1270 /* we also want to load the firmware if fast_resume failed */ 1271 if (!fast_resume || ret) 1272 ret = iwl_mvm_up(mvm); 1273 1274 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1275 NULL); 1276 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1277 NULL); 1278 1279 mvm->last_reset_or_resume_time_jiffies = jiffies; 1280 1281 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1282 /* Something went wrong - we need to finish some cleanup 1283 * that normally iwl_mvm_mac_restart_complete() below 1284 * would do. 1285 */ 1286 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1287 } 1288 1289 return ret; 1290 } 1291 1292 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1293 { 1294 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1295 int ret; 1296 1297 mutex_lock(&mvm->mutex); 1298 1299 /* we are starting the mac not in error flow, and restart is enabled */ 1300 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1301 iwlwifi_mod_params.fw_restart) { 1302 /* 1303 * This will prevent mac80211 recovery flows to trigger during 1304 * init failures 1305 */ 1306 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1307 } 1308 1309 ret = __iwl_mvm_mac_start(mvm); 1310 clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1311 1312 mutex_unlock(&mvm->mutex); 1313 1314 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1315 1316 return ret; 1317 } 1318 1319 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1320 { 1321 int ret; 1322 1323 guard(mvm)(mvm); 1324 1325 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1326 1327 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1328 if (ret) 1329 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1330 ret); 1331 1332 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1333 1334 /* 1335 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1336 * of packets the FW sent out, so we must reconnect. 1337 */ 1338 iwl_mvm_teardown_tdls_peers(mvm); 1339 } 1340 1341 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1342 enum ieee80211_reconfig_type reconfig_type) 1343 { 1344 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1345 1346 switch (reconfig_type) { 1347 case IEEE80211_RECONFIG_TYPE_RESTART: 1348 iwl_mvm_restart_complete(mvm); 1349 break; 1350 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1351 break; 1352 } 1353 } 1354 1355 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1356 { 1357 lockdep_assert_held(&mvm->mutex); 1358 1359 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1360 1361 /* firmware counters are obviously reset now, but we shouldn't 1362 * partially track so also clear the fw_reset_accu counters. 1363 */ 1364 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1365 1366 /* async_handlers_wk is now blocked */ 1367 1368 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1369 iwl_mvm_rm_aux_sta(mvm); 1370 1371 if (suspend && 1372 mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 1373 iwl_mvm_fast_suspend(mvm); 1374 else 1375 iwl_mvm_stop_device(mvm); 1376 1377 iwl_mvm_async_handlers_purge(mvm); 1378 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1379 1380 /* 1381 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1382 * hw (as restart_complete() won't be called in this case) and mac80211 1383 * won't execute the restart. 1384 * But make sure to cleanup interfaces that have gone down before/during 1385 * HW restart was requested. 1386 */ 1387 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1388 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1389 &mvm->status)) 1390 ieee80211_iterate_interfaces(mvm->hw, 0, 1391 iwl_mvm_cleanup_iterator, mvm); 1392 1393 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1394 * make sure there's nothing left there and warn if any is found. 1395 */ 1396 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1397 int i; 1398 1399 for (i = 0; i < mvm->max_scans; i++) { 1400 if (WARN_ONCE(mvm->scan_uid_status[i], 1401 "UMAC scan UID %d status was not cleaned\n", 1402 i)) 1403 mvm->scan_uid_status[i] = 0; 1404 } 1405 } 1406 } 1407 1408 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1409 { 1410 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1411 1412 /* Stop internal MLO scan, if running */ 1413 mutex_lock(&mvm->mutex); 1414 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1415 mutex_unlock(&mvm->mutex); 1416 1417 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1418 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1419 flush_work(&mvm->async_handlers_wk); 1420 flush_work(&mvm->add_stream_wk); 1421 1422 /* 1423 * Lock and clear the firmware running bit here already, so that 1424 * new commands coming in elsewhere, e.g. from debugfs, will not 1425 * be able to proceed. This is important here because one of those 1426 * debugfs files causes the firmware dump to be triggered, and if we 1427 * don't stop debugfs accesses before canceling that it could be 1428 * retriggered after we flush it but before we've cleared the bit. 1429 */ 1430 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1431 1432 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1433 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1434 1435 /* 1436 * The work item could be running or queued if the 1437 * ROC time event stops just as we get here. 1438 */ 1439 flush_work(&mvm->roc_done_wk); 1440 1441 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1442 1443 mutex_lock(&mvm->mutex); 1444 __iwl_mvm_mac_stop(mvm, suspend); 1445 mutex_unlock(&mvm->mutex); 1446 1447 /* 1448 * The worker might have been waiting for the mutex, let it run and 1449 * discover that its list is now empty. 1450 */ 1451 cancel_work_sync(&mvm->async_handlers_wk); 1452 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1453 } 1454 1455 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1456 { 1457 u16 i; 1458 1459 lockdep_assert_held(&mvm->mutex); 1460 1461 for (i = 0; i < NUM_PHY_CTX; i++) 1462 if (!mvm->phy_ctxts[i].ref) 1463 return &mvm->phy_ctxts[i]; 1464 1465 IWL_ERR(mvm, "No available PHY context\n"); 1466 return NULL; 1467 } 1468 1469 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1470 s16 tx_power) 1471 { 1472 u32 cmd_id = REDUCE_TX_POWER_CMD; 1473 int len; 1474 struct iwl_dev_tx_power_cmd_v3_v8 cmd = { 1475 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1476 .common.mac_context_id = 1477 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1478 }; 1479 struct iwl_dev_tx_power_cmd cmd_v9_v10; 1480 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 3); 1481 u16 u_tx_power = tx_power == IWL_DEFAULT_MAX_TX_POWER ? 1482 IWL_DEV_MAX_TX_POWER : 8 * tx_power; 1483 void *cmd_data = &cmd; 1484 1485 cmd.common.pwr_restriction = cpu_to_le16(u_tx_power); 1486 1487 if (cmd_ver > 8) { 1488 /* Those fields sit on the same place for v9 and v10 */ 1489 cmd_v9_v10.common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC); 1490 cmd_v9_v10.common.mac_context_id = 1491 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id); 1492 cmd_v9_v10.common.pwr_restriction = cpu_to_le16(u_tx_power); 1493 cmd_data = &cmd_v9_v10; 1494 } 1495 1496 if (cmd_ver == 10) 1497 len = sizeof(cmd_v9_v10.v10); 1498 else if (cmd_ver == 9) 1499 len = sizeof(cmd_v9_v10.v9); 1500 else if (cmd_ver == 8) 1501 len = sizeof(cmd.v8); 1502 else if (cmd_ver == 7) 1503 len = sizeof(cmd.v7); 1504 else if (cmd_ver == 6) 1505 len = sizeof(cmd.v6); 1506 else if (fw_has_api(&mvm->fw->ucode_capa, 1507 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1508 len = sizeof(cmd.v5); 1509 else if (fw_has_capa(&mvm->fw->ucode_capa, 1510 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1511 len = sizeof(cmd.v4); 1512 else 1513 len = sizeof(cmd.v3); 1514 1515 /* all structs have the same common part, add its length */ 1516 len += sizeof(cmd.common); 1517 1518 if (cmd_ver < 9) 1519 len += sizeof(cmd.per_band); 1520 1521 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, cmd_data); 1522 1523 } 1524 1525 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1526 { 1527 struct ieee80211_hw *hw = data; 1528 int i; 1529 1530 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1531 struct iwl_mvm_txq *mvmtxq = 1532 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1533 1534 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1535 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1536 } 1537 } 1538 1539 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1540 struct ieee80211_vif *vif, 1541 struct ieee80211_bss_conf *link_conf) 1542 { 1543 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1544 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1545 int ret; 1546 1547 mutex_lock(&mvm->mutex); 1548 1549 if (vif->type == NL80211_IFTYPE_STATION) { 1550 struct iwl_mvm_sta *mvmsta; 1551 unsigned int link_id = link_conf->link_id; 1552 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1553 1554 mvmvif->csa_bcn_pending = false; 1555 mvmvif->csa_blocks_tx = false; 1556 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1557 1558 if (WARN_ON(!mvmsta)) { 1559 ret = -EIO; 1560 goto out_unlock; 1561 } 1562 1563 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1564 if (mvm->mld_api_is_used) 1565 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1566 else 1567 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1568 1569 if (!fw_has_capa(&mvm->fw->ucode_capa, 1570 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1571 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1572 if (ret) 1573 goto out_unlock; 1574 1575 iwl_mvm_stop_session_protection(mvm, vif); 1576 } 1577 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1578 struct iwl_mvm_txq *mvmtxq = 1579 iwl_mvm_txq_from_mac80211(vif->txq); 1580 1581 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1582 1583 local_bh_disable(); 1584 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1585 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1586 local_bh_enable(); 1587 1588 mvmvif->csa_blocks_tx = false; 1589 } 1590 1591 mvmvif->ps_disabled = false; 1592 1593 ret = iwl_mvm_power_update_ps(mvm); 1594 1595 out_unlock: 1596 if (mvmvif->csa_failed) 1597 ret = -EIO; 1598 mutex_unlock(&mvm->mutex); 1599 1600 return ret; 1601 } 1602 1603 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1604 struct ieee80211_vif *vif, 1605 struct ieee80211_bss_conf *link_conf) 1606 { 1607 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1608 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1609 struct iwl_chan_switch_te_cmd cmd = { 1610 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1611 mvmvif->color)), 1612 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1613 }; 1614 1615 /* 1616 * In the new flow since FW is in charge of the timing, 1617 * if driver has canceled the channel switch he will receive the 1618 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1619 */ 1620 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1621 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1622 return; 1623 1624 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1625 1626 mutex_lock(&mvm->mutex); 1627 if (!fw_has_capa(&mvm->fw->ucode_capa, 1628 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1629 iwl_mvm_remove_csa_period(mvm, vif); 1630 else 1631 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1632 WIDE_ID(MAC_CONF_GROUP, 1633 CHANNEL_SWITCH_TIME_EVENT_CMD), 1634 0, sizeof(cmd), &cmd)); 1635 mvmvif->csa_failed = true; 1636 mutex_unlock(&mvm->mutex); 1637 1638 /* If we're here, we can't support MLD */ 1639 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1640 } 1641 1642 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1643 { 1644 struct iwl_mvm_vif *mvmvif; 1645 struct ieee80211_vif *vif; 1646 1647 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1648 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1649 1650 /* Trigger disconnect (should clear the CSA state) */ 1651 ieee80211_chswitch_done(vif, false, 0); 1652 } 1653 1654 static u8 1655 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1656 { 1657 int data_start; 1658 int control_start; 1659 int bw; 1660 1661 if (chandef->width == NL80211_CHAN_WIDTH_320) 1662 bw = 320; 1663 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1664 bw = 160; 1665 else 1666 return 0; 1667 1668 /* data is bw wide so the start is half the width */ 1669 data_start = chandef->center_freq1 - bw / 2; 1670 /* control is 20Mhz width */ 1671 control_start = chandef->chan->center_freq - 10; 1672 1673 return (control_start - data_start) / 80; 1674 } 1675 1676 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1677 struct ieee80211_vif *vif) 1678 { 1679 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1680 int ret; 1681 1682 lockdep_assert_held(&mvm->mutex); 1683 1684 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1685 if (ret) { 1686 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1687 return ret; 1688 } 1689 1690 /* Only queue for this station is the mcast queue, 1691 * which shouldn't be in TFD mask anyway 1692 */ 1693 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1694 vif->type, 1695 IWL_STA_MULTICAST); 1696 } 1697 1698 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1699 struct wiphy_work *wk) 1700 { 1701 struct iwl_mvm_vif *mvmvif = 1702 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1703 struct iwl_mvm *mvm = mvmvif->mvm; 1704 struct ieee80211_vif *vif = 1705 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1706 1707 guard(mvm)(mvm); 1708 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1709 } 1710 1711 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1712 { 1713 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1714 mlo_int_scan_wk.work); 1715 struct ieee80211_vif *vif = 1716 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1717 1718 guard(mvm)(mvmvif->mvm); 1719 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1720 } 1721 1722 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1723 { 1724 struct iwl_mvm_vif *mvmvif = 1725 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1726 struct iwl_mvm *mvm = mvmvif->mvm; 1727 struct ieee80211_vif *vif = 1728 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1729 1730 guard(mvm)(mvm); 1731 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1732 } 1733 1734 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1735 { 1736 lockdep_assert_held(&mvm->mutex); 1737 1738 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1739 return; 1740 1741 INIT_DELAYED_WORK(&mvmvif->csa_work, 1742 iwl_mvm_channel_switch_disconnect_wk); 1743 1744 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1745 iwl_mvm_prevent_esr_done_wk); 1746 1747 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1748 iwl_mvm_mlo_int_scan_wk); 1749 1750 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1751 iwl_mvm_unblock_esr_tpt); 1752 } 1753 1754 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1755 struct ieee80211_vif *vif) 1756 { 1757 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1758 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1759 int ret; 1760 int i; 1761 1762 mutex_lock(&mvm->mutex); 1763 1764 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1765 1766 mvmvif->mvm = mvm; 1767 1768 /* the first link always points to the default one */ 1769 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1770 mvmvif->deflink.active = 0; 1771 mvmvif->link[0] = &mvmvif->deflink; 1772 1773 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1774 if (ret) 1775 goto out; 1776 1777 /* 1778 * Not much to do here. The stack will not allow interface 1779 * types or combinations that we didn't advertise, so we 1780 * don't really have to check the types. 1781 */ 1782 1783 /* make sure that beacon statistics don't go backwards with FW reset */ 1784 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1785 for_each_mvm_vif_valid_link(mvmvif, i) 1786 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1787 mvmvif->link[i]->beacon_stats.num_beacons; 1788 1789 /* Allocate resources for the MAC context, and add it to the fw */ 1790 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1791 if (ret) 1792 goto out; 1793 1794 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1795 1796 /* Currently not much to do for NAN */ 1797 if (vif->type == NL80211_IFTYPE_NAN) { 1798 ret = 0; 1799 goto out; 1800 } 1801 1802 /* 1803 * The AP binding flow can be done only after the beacon 1804 * template is configured (which happens only in the mac80211 1805 * start_ap() flow), and adding the broadcast station can happen 1806 * only after the binding. 1807 * In addition, since modifying the MAC before adding a bcast 1808 * station is not allowed by the FW, delay the adding of MAC context to 1809 * the point where we can also add the bcast station. 1810 * In short: there's not much we can do at this point, other than 1811 * allocating resources :) 1812 */ 1813 if (vif->type == NL80211_IFTYPE_AP || 1814 vif->type == NL80211_IFTYPE_ADHOC) { 1815 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1816 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1817 ret = 0; 1818 goto out; 1819 } 1820 1821 mvmvif->features |= hw->netdev_features; 1822 1823 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1824 if (ret) 1825 goto out_unlock; 1826 1827 ret = iwl_mvm_power_update_mac(mvm); 1828 if (ret) 1829 goto out_remove_mac; 1830 1831 /* beacon filtering */ 1832 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1833 if (ret) 1834 goto out_remove_mac; 1835 1836 if (!mvm->bf_allowed_vif && 1837 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1838 mvm->bf_allowed_vif = mvmvif; 1839 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1840 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1841 } 1842 1843 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1844 mvm->p2p_device_vif = vif; 1845 1846 iwl_mvm_tcm_add_vif(mvm, vif); 1847 1848 if (vif->type == NL80211_IFTYPE_MONITOR) { 1849 mvm->monitor_on = true; 1850 mvm->monitor_p80 = 1851 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1852 } 1853 1854 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1855 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1856 1857 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1858 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1859 !mvm->csme_vif && mvm->mei_registered) { 1860 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1861 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1862 mvm->csme_vif = vif; 1863 } 1864 1865 out: 1866 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1867 vif->type == NL80211_IFTYPE_ADHOC)) 1868 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1869 1870 goto out_unlock; 1871 1872 out_remove_mac: 1873 mvmvif->deflink.phy_ctxt = NULL; 1874 iwl_mvm_mac_ctxt_remove(mvm, vif); 1875 out_unlock: 1876 mutex_unlock(&mvm->mutex); 1877 1878 return ret; 1879 } 1880 1881 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1882 struct ieee80211_vif *vif) 1883 { 1884 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1885 1886 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1887 /* 1888 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1889 * We assume here that all the packets sent to the OFFCHANNEL 1890 * queue are sent in ROC session. 1891 */ 1892 flush_work(&mvm->roc_done_wk); 1893 } 1894 1895 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1896 &mvmvif->prevent_esr_done_wk); 1897 1898 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1899 &mvmvif->mlo_int_scan_wk); 1900 1901 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1902 1903 cancel_delayed_work_sync(&mvmvif->csa_work); 1904 } 1905 1906 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1907 struct ieee80211_vif *vif) 1908 { 1909 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1910 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1911 struct iwl_probe_resp_data *probe_data; 1912 1913 iwl_mvm_prepare_mac_removal(mvm, vif); 1914 1915 if (!(vif->type == NL80211_IFTYPE_AP || 1916 vif->type == NL80211_IFTYPE_ADHOC)) 1917 iwl_mvm_tcm_rm_vif(mvm, vif); 1918 1919 mutex_lock(&mvm->mutex); 1920 1921 if (vif == mvm->csme_vif) { 1922 iwl_mei_set_netdev(NULL); 1923 mvm->csme_vif = NULL; 1924 } 1925 1926 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1927 lockdep_is_held(&mvm->mutex)); 1928 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1929 if (probe_data) 1930 kfree_rcu(probe_data, rcu_head); 1931 1932 if (mvm->bf_allowed_vif == mvmvif) { 1933 mvm->bf_allowed_vif = NULL; 1934 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1935 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1936 } 1937 1938 if (vif->bss_conf.ftm_responder) 1939 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1940 1941 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1942 1943 /* 1944 * For AP/GO interface, the tear down of the resources allocated to the 1945 * interface is be handled as part of the stop_ap flow. 1946 */ 1947 if (vif->type == NL80211_IFTYPE_AP || 1948 vif->type == NL80211_IFTYPE_ADHOC) { 1949 #ifdef CONFIG_NL80211_TESTMODE 1950 if (vif == mvm->noa_vif) { 1951 mvm->noa_vif = NULL; 1952 mvm->noa_duration = 0; 1953 } 1954 #endif 1955 goto out; 1956 } 1957 1958 iwl_mvm_power_update_mac(mvm); 1959 1960 /* Before the interface removal, mac80211 would cancel the ROC, and the 1961 * ROC worker would be scheduled if needed. The worker would be flushed 1962 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1963 * binding etc. so nothing needs to be done here. 1964 */ 1965 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1966 if (mvmvif->deflink.phy_ctxt) { 1967 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1968 mvmvif->deflink.phy_ctxt = NULL; 1969 } 1970 mvm->p2p_device_vif = NULL; 1971 } 1972 1973 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1974 iwl_mvm_mac_ctxt_remove(mvm, vif); 1975 1976 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1977 1978 if (vif->type == NL80211_IFTYPE_MONITOR) 1979 mvm->monitor_on = false; 1980 1981 out: 1982 if (vif->type == NL80211_IFTYPE_AP || 1983 vif->type == NL80211_IFTYPE_ADHOC) { 1984 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1985 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1986 } 1987 1988 mutex_unlock(&mvm->mutex); 1989 } 1990 1991 struct iwl_mvm_mc_iter_data { 1992 struct iwl_mvm *mvm; 1993 int port_id; 1994 }; 1995 1996 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1997 struct ieee80211_vif *vif) 1998 { 1999 struct iwl_mvm_mc_iter_data *data = _data; 2000 struct iwl_mvm *mvm = data->mvm; 2001 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 2002 struct iwl_host_cmd hcmd = { 2003 .id = MCAST_FILTER_CMD, 2004 .flags = CMD_ASYNC, 2005 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2006 }; 2007 int ret, len; 2008 2009 /* if we don't have free ports, mcast frames will be dropped */ 2010 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2011 return; 2012 2013 if (vif->type != NL80211_IFTYPE_STATION || 2014 !vif->cfg.assoc) 2015 return; 2016 2017 cmd->port_id = data->port_id++; 2018 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2019 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2020 2021 hcmd.len[0] = len; 2022 hcmd.data[0] = cmd; 2023 2024 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2025 if (ret) 2026 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2027 } 2028 2029 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2030 { 2031 struct iwl_mvm_mc_iter_data iter_data = { 2032 .mvm = mvm, 2033 }; 2034 int ret; 2035 2036 lockdep_assert_held(&mvm->mutex); 2037 2038 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2039 return; 2040 2041 ieee80211_iterate_active_interfaces_atomic( 2042 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2043 iwl_mvm_mc_iface_iterator, &iter_data); 2044 2045 /* 2046 * Send a (synchronous) ech command so that we wait for the 2047 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2048 * the interface iterator. Otherwise, we might get here over 2049 * and over again (by userspace just sending a lot of these) 2050 * and the CPU can send them faster than the firmware can 2051 * process them. 2052 * Note that the CPU is still faster - but with this we'll 2053 * actually send fewer commands overall because the CPU will 2054 * not schedule the work in mac80211 as frequently if it's 2055 * still running when rescheduled (possibly multiple times). 2056 */ 2057 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2058 if (ret) 2059 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2060 } 2061 2062 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2063 struct netdev_hw_addr_list *mc_list) 2064 { 2065 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2066 struct iwl_mcast_filter_cmd *cmd; 2067 struct netdev_hw_addr *addr; 2068 int addr_count; 2069 bool pass_all; 2070 int len; 2071 2072 addr_count = netdev_hw_addr_list_count(mc_list); 2073 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2074 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2075 if (pass_all) 2076 addr_count = 0; 2077 2078 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2079 cmd = kzalloc(len, GFP_ATOMIC); 2080 if (!cmd) 2081 return 0; 2082 2083 if (pass_all) { 2084 cmd->pass_all = 1; 2085 return (u64)(unsigned long)cmd; 2086 } 2087 2088 netdev_hw_addr_list_for_each(addr, mc_list) { 2089 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2090 cmd->count, addr->addr); 2091 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2092 addr->addr, ETH_ALEN); 2093 cmd->count++; 2094 } 2095 2096 return (u64)(unsigned long)cmd; 2097 } 2098 2099 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2100 unsigned int changed_flags, 2101 unsigned int *total_flags, u64 multicast) 2102 { 2103 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2104 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2105 2106 guard(mvm)(mvm); 2107 2108 /* replace previous configuration */ 2109 kfree(mvm->mcast_filter_cmd); 2110 mvm->mcast_filter_cmd = cmd; 2111 2112 if (!cmd) 2113 goto out; 2114 2115 if (changed_flags & FIF_ALLMULTI) 2116 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2117 2118 if (cmd->pass_all) 2119 cmd->count = 0; 2120 2121 iwl_mvm_recalc_multicast(mvm); 2122 out: 2123 *total_flags = 0; 2124 } 2125 2126 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2127 struct ieee80211_vif *vif, 2128 unsigned int filter_flags, 2129 unsigned int changed_flags) 2130 { 2131 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2132 2133 /* We support only filter for probe requests */ 2134 if (!(changed_flags & FIF_PROBE_REQ)) 2135 return; 2136 2137 /* Supported only for p2p client interfaces */ 2138 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2139 !vif->p2p) 2140 return; 2141 2142 guard(mvm)(mvm); 2143 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2144 } 2145 2146 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2147 { 2148 struct iwl_mu_group_mgmt_cmd cmd = {}; 2149 2150 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2151 WLAN_MEMBERSHIP_LEN); 2152 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2153 WLAN_USER_POSITION_LEN); 2154 2155 return iwl_mvm_send_cmd_pdu(mvm, 2156 WIDE_ID(DATA_PATH_GROUP, 2157 UPDATE_MU_GROUPS_CMD), 2158 0, sizeof(cmd), &cmd); 2159 } 2160 2161 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2162 struct ieee80211_vif *vif) 2163 { 2164 if (vif->bss_conf.mu_mimo_owner) { 2165 struct iwl_mu_group_mgmt_notif *notif = _data; 2166 2167 /* 2168 * MU-MIMO Group Id action frame is little endian. We treat 2169 * the data received from firmware as if it came from the 2170 * action frame, so no conversion is needed. 2171 */ 2172 ieee80211_update_mu_groups(vif, 0, 2173 (u8 *)¬if->membership_status, 2174 (u8 *)¬if->user_position); 2175 } 2176 } 2177 2178 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2179 struct iwl_rx_cmd_buffer *rxb) 2180 { 2181 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2182 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2183 2184 ieee80211_iterate_active_interfaces_atomic( 2185 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2186 iwl_mvm_mu_mimo_iface_iterator, notif); 2187 } 2188 2189 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2190 { 2191 u8 byte_num = ppe_pos_bit / 8; 2192 u8 bit_num = ppe_pos_bit % 8; 2193 u8 residue_bits; 2194 u8 res; 2195 2196 if (bit_num <= 5) 2197 return (ppe[byte_num] >> bit_num) & 2198 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2199 2200 /* 2201 * If bit_num > 5, we have to combine bits with next byte. 2202 * Calculate how many bits we need to take from current byte (called 2203 * here "residue_bits"), and add them to bits from next byte. 2204 */ 2205 2206 residue_bits = 8 - bit_num; 2207 2208 res = (ppe[byte_num + 1] & 2209 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2210 residue_bits; 2211 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2212 2213 return res; 2214 } 2215 2216 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2217 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2218 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2219 bool inheritance) 2220 { 2221 int i; 2222 2223 /* 2224 * FW currently supports only nss == MAX_HE_SUPP_NSS 2225 * 2226 * If nss > MAX: we can ignore values we don't support 2227 * If nss < MAX: we can set zeros in other streams 2228 */ 2229 if (nss > MAX_HE_SUPP_NSS) { 2230 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2231 MAX_HE_SUPP_NSS); 2232 nss = MAX_HE_SUPP_NSS; 2233 } 2234 2235 for (i = 0; i < nss; i++) { 2236 u8 ru_index_tmp = ru_index_bitmap << 1; 2237 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2238 u8 bw; 2239 2240 for (bw = 0; 2241 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2242 bw++) { 2243 ru_index_tmp >>= 1; 2244 2245 /* 2246 * According to the 11be spec, if for a specific BW the PPE Thresholds 2247 * isn't present - it should inherit the thresholds from the last 2248 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2249 * this inheritance - continue in this case 2250 */ 2251 if (!(ru_index_tmp & 1)) { 2252 if (inheritance) 2253 goto set_thresholds; 2254 else 2255 continue; 2256 } 2257 2258 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2259 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2260 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2261 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2262 2263 set_thresholds: 2264 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2265 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2266 } 2267 } 2268 } 2269 2270 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2271 struct ieee80211_link_sta *link_sta, 2272 struct iwl_he_pkt_ext_v2 *pkt_ext, 2273 bool inheritance) 2274 { 2275 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2276 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2277 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2278 u8 ru_index_bitmap = 2279 u8_get_bits(*ppe, 2280 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2281 /* Starting after PPE header */ 2282 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2283 2284 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2285 inheritance); 2286 } 2287 2288 static int 2289 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2290 u8 nominal_padding) 2291 { 2292 int low_th = -1; 2293 int high_th = -1; 2294 int i; 2295 2296 /* all the macros are the same for EHT and HE */ 2297 switch (nominal_padding) { 2298 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2299 low_th = IWL_HE_PKT_EXT_NONE; 2300 high_th = IWL_HE_PKT_EXT_NONE; 2301 break; 2302 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2303 low_th = IWL_HE_PKT_EXT_BPSK; 2304 high_th = IWL_HE_PKT_EXT_NONE; 2305 break; 2306 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2307 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2308 low_th = IWL_HE_PKT_EXT_NONE; 2309 high_th = IWL_HE_PKT_EXT_BPSK; 2310 break; 2311 } 2312 2313 if (low_th < 0 || high_th < 0) 2314 return -EINVAL; 2315 2316 /* Set the PPE thresholds accordingly */ 2317 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2318 u8 bw; 2319 2320 for (bw = 0; 2321 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2322 bw++) { 2323 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2324 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2325 } 2326 } 2327 2328 return 0; 2329 } 2330 2331 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2332 u8 nominal_padding) 2333 { 2334 int i; 2335 2336 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2337 u8 bw; 2338 2339 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2340 bw++) { 2341 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2342 2343 if (nominal_padding > 2344 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2345 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2346 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2347 else if (nominal_padding == 2348 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2349 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2350 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2351 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2352 } 2353 } 2354 } 2355 2356 /* Set the pkt_ext field according to PPE Thresholds element */ 2357 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2358 struct ieee80211_link_sta *link_sta, 2359 struct iwl_he_pkt_ext_v2 *pkt_ext) 2360 { 2361 u8 nominal_padding; 2362 int i, ret = 0; 2363 2364 if (WARN_ON(!link_sta)) 2365 return -EINVAL; 2366 2367 /* Initialize the PPE thresholds to "None" (7), as described in Table 2368 * 9-262ac of 80211.ax/D3.0. 2369 */ 2370 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2371 sizeof(struct iwl_he_pkt_ext_v2)); 2372 2373 if (link_sta->eht_cap.has_eht) { 2374 nominal_padding = 2375 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2376 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2377 2378 /* If PPE Thresholds exists, parse them into a FW-familiar 2379 * format. 2380 */ 2381 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2382 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2383 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2384 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2385 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2386 u8 ru_index_bitmap = 2387 u16_get_bits(*ppe, 2388 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2389 /* Starting after PPE header */ 2390 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2391 2392 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2393 ppe, ppe_pos_bit, true); 2394 /* EHT PPE Thresholds doesn't exist - set the API according to 2395 * HE PPE Tresholds 2396 */ 2397 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2398 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2399 /* Even though HE Capabilities IE doesn't contain PPE 2400 * Thresholds for BW 320Mhz, thresholds for this BW will 2401 * be filled in with the same values as 160Mhz, due to 2402 * the inheritance, as required. 2403 */ 2404 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2405 true); 2406 2407 /* According to the requirements, for MCSs 12-13 the 2408 * maximum value between HE PPE Threshold and Common 2409 * Nominal Packet Padding needs to be taken 2410 */ 2411 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2412 2413 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2414 * take the Thresholds from Common Nominal Packet Padding field 2415 */ 2416 } else { 2417 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2418 nominal_padding); 2419 } 2420 } else if (link_sta->he_cap.has_he) { 2421 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2422 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2423 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2424 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2425 false); 2426 /* PPE Thresholds doesn't exist - set the API PPE values 2427 * according to Common Nominal Packet Padding field. 2428 */ 2429 } else { 2430 nominal_padding = 2431 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2432 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2433 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2434 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2435 nominal_padding); 2436 } 2437 } 2438 2439 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2440 int bw; 2441 2442 for (bw = 0; 2443 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2444 bw++) { 2445 u8 *qam_th = 2446 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2447 2448 IWL_DEBUG_HT(mvm, 2449 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2450 i, bw, qam_th[0], qam_th[1]); 2451 } 2452 } 2453 return ret; 2454 } 2455 2456 /* 2457 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2458 * is enabled or not 2459 */ 2460 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2461 const struct iwl_mvm_vif_link_info *link_info, 2462 struct iwl_he_backoff_conf *trig_based_txf) 2463 { 2464 int i; 2465 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2466 bool mu_edca_enabled = true; 2467 2468 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2469 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2470 &link_info->queue_params[i].mu_edca_param_rec; 2471 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2472 2473 if (!link_info->queue_params[i].mu_edca) { 2474 mu_edca_enabled = false; 2475 break; 2476 } 2477 2478 trig_based_txf[ac].cwmin = 2479 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2480 trig_based_txf[ac].cwmax = 2481 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2482 trig_based_txf[ac].aifsn = 2483 cpu_to_le16(mu_edca->aifsn & 0xf); 2484 trig_based_txf[ac].mu_time = 2485 cpu_to_le16(mu_edca->mu_edca_timer); 2486 } 2487 2488 return mu_edca_enabled; 2489 } 2490 2491 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2492 { 2493 const struct ieee80211_supported_band *sband; 2494 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2495 2496 /* This capability is the same for all bands, 2497 * so take it from one of them. 2498 */ 2499 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2500 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2501 2502 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2503 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2504 } 2505 2506 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2507 struct ieee80211_link_sta *link_sta) 2508 { 2509 u8 *mac_cap_info = 2510 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2511 __le32 htc_flags = 0; 2512 2513 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2514 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2515 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2516 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2517 u8 link_adap = 2518 ((mac_cap_info[2] & 2519 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2520 (mac_cap_info[1] & 2521 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2522 2523 if (link_adap == 2) 2524 htc_flags |= 2525 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2526 else if (link_adap == 3) 2527 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2528 } 2529 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2530 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2531 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2532 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2533 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2534 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2535 2536 return htc_flags; 2537 } 2538 2539 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2540 struct ieee80211_vif *vif, u8 sta_id) 2541 { 2542 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2543 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2544 .sta_id = sta_id, 2545 .tid_limit = IWL_MAX_TID_COUNT, 2546 .bss_color = vif->bss_conf.he_bss_color.color, 2547 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2548 .frame_time_rts_th = 2549 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2550 }; 2551 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2552 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2553 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2554 int size; 2555 struct ieee80211_sta *sta; 2556 u32 flags; 2557 int i; 2558 void *cmd; 2559 2560 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2561 ver = 1; 2562 2563 switch (ver) { 2564 case 1: 2565 /* same layout as v2 except some data at the end */ 2566 cmd = &sta_ctxt_cmd_v2; 2567 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2568 break; 2569 case 2: 2570 cmd = &sta_ctxt_cmd_v2; 2571 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2572 break; 2573 case 3: 2574 cmd = &sta_ctxt_cmd; 2575 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2576 break; 2577 default: 2578 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2579 return; 2580 } 2581 2582 rcu_read_lock(); 2583 2584 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2585 if (IS_ERR_OR_NULL(sta)) { 2586 rcu_read_unlock(); 2587 WARN(1, "Can't find STA to configure HE\n"); 2588 return; 2589 } 2590 2591 if (!sta->deflink.he_cap.has_he) { 2592 rcu_read_unlock(); 2593 return; 2594 } 2595 2596 flags = 0; 2597 2598 /* Block 26-tone RU OFDMA transmissions */ 2599 if (mvmvif->deflink.he_ru_2mhz_block) 2600 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2601 2602 /* HTC flags */ 2603 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2604 2605 /* PPE Thresholds */ 2606 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2607 flags |= STA_CTXT_HE_PACKET_EXT; 2608 2609 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2610 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2611 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2612 2613 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2614 IEEE80211_HE_MAC_CAP2_ACK_EN) 2615 flags |= STA_CTXT_HE_ACK_ENABLED; 2616 2617 rcu_read_unlock(); 2618 2619 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2620 &sta_ctxt_cmd.trig_based_txf[0])) 2621 flags |= STA_CTXT_HE_MU_EDCA_CW; 2622 2623 if (vif->bss_conf.uora_exists) { 2624 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2625 2626 sta_ctxt_cmd.rand_alloc_ecwmin = 2627 vif->bss_conf.uora_ocw_range & 0x7; 2628 sta_ctxt_cmd.rand_alloc_ecwmax = 2629 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2630 } 2631 2632 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2633 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2634 2635 if (vif->bss_conf.nontransmitted) { 2636 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2637 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2638 vif->bss_conf.transmitter_bssid); 2639 sta_ctxt_cmd.max_bssid_indicator = 2640 vif->bss_conf.bssid_indicator; 2641 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2642 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2643 sta_ctxt_cmd.profile_periodicity = 2644 vif->bss_conf.profile_periodicity; 2645 } 2646 2647 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2648 2649 if (ver < 3) { 2650 /* fields before pkt_ext */ 2651 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2652 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2653 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2654 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2655 2656 /* pkt_ext */ 2657 for (i = 0; 2658 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2659 i++) { 2660 u8 bw; 2661 2662 for (bw = 0; 2663 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2664 bw++) { 2665 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2666 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2667 2668 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2669 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2670 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2671 } 2672 } 2673 2674 /* fields after pkt_ext */ 2675 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2676 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2677 sizeof(sta_ctxt_cmd_v2) - 2678 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2679 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2680 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2681 (u8 *)&sta_ctxt_cmd + 2682 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2683 sizeof(sta_ctxt_cmd) - 2684 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2685 sta_ctxt_cmd_v2.reserved3 = 0; 2686 } 2687 2688 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2689 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2690 } 2691 2692 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2693 u32 duration_override, unsigned int link_id) 2694 { 2695 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2696 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2697 2698 if (duration_override > duration) 2699 duration = duration_override; 2700 2701 /* Try really hard to protect the session and hear a beacon 2702 * The new session protection command allows us to protect the 2703 * session for a much longer time since the firmware will internally 2704 * create two events: a 300TU one with a very high priority that 2705 * won't be fragmented which should be enough for 99% of the cases, 2706 * and another one (which we configure here to be 900TU long) which 2707 * will have a slightly lower priority, but more importantly, can be 2708 * fragmented so that it'll allow other activities to run. 2709 */ 2710 if (fw_has_capa(&mvm->fw->ucode_capa, 2711 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2712 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2713 min_duration, false, 2714 link_id); 2715 else 2716 iwl_mvm_protect_session(mvm, vif, duration, 2717 min_duration, 500, false); 2718 } 2719 2720 /* Handle association common part to MLD and non-MLD modes */ 2721 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2722 struct ieee80211_vif *vif, 2723 u64 changes) 2724 { 2725 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2726 int ret; 2727 int link_id; 2728 2729 /* The firmware tracks the MU-MIMO group on its own. 2730 * However, on HW restart we should restore this data. 2731 */ 2732 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2733 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2734 ret = iwl_mvm_update_mu_groups(mvm, vif); 2735 if (ret) 2736 IWL_ERR(mvm, 2737 "failed to update VHT MU_MIMO groups\n"); 2738 } 2739 2740 iwl_mvm_recalc_multicast(mvm); 2741 2742 /* reset rssi values */ 2743 for_each_mvm_vif_valid_link(mvmvif, link_id) 2744 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2745 2746 iwl_mvm_bt_coex_vif_change(mvm); 2747 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2748 IEEE80211_SMPS_AUTOMATIC); 2749 if (fw_has_capa(&mvm->fw->ucode_capa, 2750 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2751 iwl_mvm_config_scan(mvm); 2752 } 2753 2754 /* Execute the common part for MLD and non-MLD modes */ 2755 void 2756 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2757 struct ieee80211_vif *vif, 2758 struct ieee80211_bss_conf *link_conf, 2759 u64 changes) 2760 { 2761 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2762 int ret; 2763 2764 if (changes & BSS_CHANGED_BEACON_INFO) { 2765 /* We received a beacon from the associated AP so 2766 * remove the session protection. 2767 */ 2768 iwl_mvm_stop_session_protection(mvm, vif); 2769 2770 iwl_mvm_sf_update(mvm, vif, false); 2771 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2772 } 2773 2774 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2775 /* Send power command on every beacon change, 2776 * because we may have not enabled beacon abort yet. 2777 */ 2778 BSS_CHANGED_BEACON_INFO)) { 2779 ret = iwl_mvm_power_update_mac(mvm); 2780 if (ret) 2781 IWL_ERR(mvm, "failed to update power mode\n"); 2782 } 2783 2784 if (changes & BSS_CHANGED_CQM) { 2785 struct iwl_mvm_vif_link_info *link_info = 2786 mvmvif->link[link_conf->link_id]; 2787 2788 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2789 if (link_info) 2790 link_info->bf_data.last_cqm_event = 0; 2791 2792 if (mvmvif->bf_enabled) { 2793 /* FIXME: need to update per link when FW API will 2794 * support it 2795 */ 2796 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2797 if (ret) 2798 IWL_ERR(mvm, 2799 "failed to update CQM thresholds\n"); 2800 } 2801 } 2802 2803 if (changes & BSS_CHANGED_BANDWIDTH) 2804 iwl_mvm_update_link_smps(vif, link_conf); 2805 2806 if (changes & BSS_CHANGED_TPE) { 2807 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2808 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2809 link_conf, 2810 false); 2811 } 2812 } 2813 2814 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2815 struct ieee80211_vif *vif, 2816 struct ieee80211_bss_conf *bss_conf, 2817 u64 changes) 2818 { 2819 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2820 int ret; 2821 int i; 2822 2823 /* 2824 * Re-calculate the tsf id, as the leader-follower relations depend 2825 * on the beacon interval, which was not known when the station 2826 * interface was added. 2827 */ 2828 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2829 if ((vif->bss_conf.he_support && 2830 !iwlwifi_mod_params.disable_11ax)) 2831 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2832 2833 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2834 } 2835 2836 /* Update MU EDCA params */ 2837 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2838 vif->cfg.assoc && 2839 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2840 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2841 2842 /* 2843 * If we're not associated yet, take the (new) BSSID before associating 2844 * so the firmware knows. If we're already associated, then use the old 2845 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2846 * branch for disassociation below. 2847 */ 2848 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2849 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2850 2851 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2852 if (ret) 2853 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2854 2855 /* after sending it once, adopt mac80211 data */ 2856 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2857 mvmvif->associated = vif->cfg.assoc; 2858 2859 if (changes & BSS_CHANGED_ASSOC) { 2860 if (vif->cfg.assoc) { 2861 mvmvif->session_prot_connection_loss = false; 2862 2863 /* clear statistics to get clean beacon counter */ 2864 iwl_mvm_request_statistics(mvm, true); 2865 for_each_mvm_vif_valid_link(mvmvif, i) 2866 memset(&mvmvif->link[i]->beacon_stats, 0, 2867 sizeof(mvmvif->link[i]->beacon_stats)); 2868 2869 /* add quota for this interface */ 2870 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2871 if (ret) { 2872 IWL_ERR(mvm, "failed to update quotas\n"); 2873 return; 2874 } 2875 2876 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2877 &mvm->status) && 2878 !fw_has_capa(&mvm->fw->ucode_capa, 2879 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2880 /* 2881 * If we're restarting then the firmware will 2882 * obviously have lost synchronisation with 2883 * the AP. It will attempt to synchronise by 2884 * itself, but we can make it more reliable by 2885 * scheduling a session protection time event. 2886 * 2887 * The firmware needs to receive a beacon to 2888 * catch up with synchronisation, use 110% of 2889 * the beacon interval. 2890 * 2891 * Set a large maximum delay to allow for more 2892 * than a single interface. 2893 * 2894 * For new firmware versions, rely on the 2895 * firmware. This is relevant for DCM scenarios 2896 * only anyway. 2897 */ 2898 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2899 iwl_mvm_protect_session(mvm, vif, dur, dur, 2900 5 * dur, false); 2901 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2902 &mvm->status) && 2903 !vif->bss_conf.dtim_period) { 2904 /* 2905 * If we're not restarting and still haven't 2906 * heard a beacon (dtim period unknown) then 2907 * make sure we still have enough minimum time 2908 * remaining in the time event, since the auth 2909 * might actually have taken quite a while 2910 * (especially for SAE) and so the remaining 2911 * time could be small without us having heard 2912 * a beacon yet. 2913 */ 2914 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2915 } 2916 2917 iwl_mvm_sf_update(mvm, vif, false); 2918 iwl_mvm_power_vif_assoc(mvm, vif); 2919 if (vif->p2p) { 2920 iwl_mvm_update_smps(mvm, vif, 2921 IWL_MVM_SMPS_REQ_PROT, 2922 IEEE80211_SMPS_DYNAMIC, 0); 2923 } 2924 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2925 iwl_mvm_mei_host_disassociated(mvm); 2926 /* 2927 * If update fails - SF might be running in associated 2928 * mode while disassociated - which is forbidden. 2929 */ 2930 ret = iwl_mvm_sf_update(mvm, vif, false); 2931 WARN_ONCE(ret && 2932 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2933 &mvm->status), 2934 "Failed to update SF upon disassociation\n"); 2935 2936 /* 2937 * If we get an assert during the connection (after the 2938 * station has been added, but before the vif is set 2939 * to associated), mac80211 will re-add the station and 2940 * then configure the vif. Since the vif is not 2941 * associated, we would remove the station here and 2942 * this would fail the recovery. 2943 */ 2944 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2945 &mvm->status)) { 2946 /* first remove remaining keys */ 2947 iwl_mvm_sec_key_remove_ap(mvm, vif, 2948 &mvmvif->deflink, 0); 2949 2950 /* 2951 * Remove AP station now that 2952 * the MAC is unassoc 2953 */ 2954 ret = iwl_mvm_rm_sta_id(mvm, vif, 2955 mvmvif->deflink.ap_sta_id); 2956 if (ret) 2957 IWL_ERR(mvm, 2958 "failed to remove AP station\n"); 2959 2960 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2961 } 2962 2963 /* remove quota for this interface */ 2964 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2965 if (ret) 2966 IWL_ERR(mvm, "failed to update quotas\n"); 2967 2968 /* this will take the cleared BSSID from bss_conf */ 2969 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2970 if (ret) 2971 IWL_ERR(mvm, 2972 "failed to update MAC %pM (clear after unassoc)\n", 2973 vif->addr); 2974 } 2975 2976 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2977 } 2978 2979 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2980 changes); 2981 } 2982 2983 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2984 struct ieee80211_vif *vif, 2985 int *ret) 2986 { 2987 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2988 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2989 int i; 2990 2991 lockdep_assert_held(&mvm->mutex); 2992 2993 mvmvif->ap_assoc_sta_count = 0; 2994 2995 /* must be set before quota calculations */ 2996 mvmvif->ap_ibss_active = true; 2997 2998 /* send all the early keys to the device now */ 2999 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3000 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 3001 3002 if (!key) 3003 continue; 3004 3005 mvmvif->ap_early_keys[i] = NULL; 3006 3007 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3008 if (*ret) 3009 return true; 3010 } 3011 3012 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3013 iwl_mvm_vif_set_low_latency(mvmvif, true, 3014 LOW_LATENCY_VIF_TYPE); 3015 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3016 } 3017 3018 /* power updated needs to be done before quotas */ 3019 iwl_mvm_power_update_mac(mvm); 3020 3021 return false; 3022 } 3023 3024 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3025 struct ieee80211_vif *vif, 3026 struct ieee80211_bss_conf *link_conf) 3027 { 3028 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3029 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3030 int ret; 3031 3032 mutex_lock(&mvm->mutex); 3033 3034 /* 3035 * Re-calculate the tsf id, as the leader-follower relations depend on 3036 * the beacon interval, which was not known when the AP interface 3037 * was added. 3038 */ 3039 if (vif->type == NL80211_IFTYPE_AP) 3040 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3041 3042 /* For older devices need to send beacon template before adding mac 3043 * context. For the newer, the beacon is a resource that belongs to a 3044 * MAC, so need to send beacon template after adding the mac. 3045 */ 3046 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3047 /* Add the mac context */ 3048 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3049 if (ret) 3050 goto out_unlock; 3051 3052 /* Send the beacon template */ 3053 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3054 if (ret) 3055 goto out_unlock; 3056 } else { 3057 /* Send the beacon template */ 3058 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3059 if (ret) 3060 goto out_unlock; 3061 3062 /* Add the mac context */ 3063 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3064 if (ret) 3065 goto out_unlock; 3066 } 3067 3068 /* Perform the binding */ 3069 ret = iwl_mvm_binding_add_vif(mvm, vif); 3070 if (ret) 3071 goto out_remove; 3072 3073 /* 3074 * This is not very nice, but the simplest: 3075 * For older FWs adding the mcast sta before the bcast station may 3076 * cause assert 0x2b00. 3077 * This is fixed in later FW so make the order of removal depend on 3078 * the TLV 3079 */ 3080 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3081 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3082 if (ret) 3083 goto out_unbind; 3084 /* 3085 * Send the bcast station. At this stage the TBTT and DTIM time 3086 * events are added and applied to the scheduler 3087 */ 3088 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3089 if (ret) { 3090 iwl_mvm_rm_mcast_sta(mvm, vif); 3091 goto out_unbind; 3092 } 3093 } else { 3094 /* 3095 * Send the bcast station. At this stage the TBTT and DTIM time 3096 * events are added and applied to the scheduler 3097 */ 3098 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3099 if (ret) 3100 goto out_unbind; 3101 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3102 if (ret) { 3103 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3104 goto out_unbind; 3105 } 3106 } 3107 3108 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3109 goto out_failed; 3110 3111 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3112 if (ret) 3113 goto out_failed; 3114 3115 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3116 if (vif->p2p && mvm->p2p_device_vif) 3117 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3118 3119 iwl_mvm_bt_coex_vif_change(mvm); 3120 3121 /* we don't support TDLS during DCM */ 3122 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3123 iwl_mvm_teardown_tdls_peers(mvm); 3124 3125 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3126 3127 goto out_unlock; 3128 3129 out_failed: 3130 iwl_mvm_power_update_mac(mvm); 3131 mvmvif->ap_ibss_active = false; 3132 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3133 iwl_mvm_rm_mcast_sta(mvm, vif); 3134 out_unbind: 3135 iwl_mvm_binding_remove_vif(mvm, vif); 3136 out_remove: 3137 iwl_mvm_mac_ctxt_remove(mvm, vif); 3138 out_unlock: 3139 mutex_unlock(&mvm->mutex); 3140 return ret; 3141 } 3142 3143 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3144 struct ieee80211_vif *vif, 3145 struct ieee80211_bss_conf *link_conf) 3146 { 3147 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3148 } 3149 3150 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3151 struct ieee80211_vif *vif) 3152 { 3153 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3154 } 3155 3156 /* Common part for MLD and non-MLD ops */ 3157 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3158 struct ieee80211_vif *vif) 3159 { 3160 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3161 3162 lockdep_assert_held(&mvm->mutex); 3163 3164 iwl_mvm_prepare_mac_removal(mvm, vif); 3165 3166 /* Handle AP stop while in CSA */ 3167 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3168 iwl_mvm_remove_time_event(mvm, mvmvif, 3169 &mvmvif->time_event_data); 3170 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3171 mvmvif->csa_countdown = false; 3172 } 3173 3174 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3175 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3176 mvm->csa_tx_block_bcn_timeout = 0; 3177 } 3178 3179 mvmvif->ap_ibss_active = false; 3180 mvm->ap_last_beacon_gp2 = 0; 3181 3182 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3183 iwl_mvm_vif_set_low_latency(mvmvif, false, 3184 LOW_LATENCY_VIF_TYPE); 3185 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3186 } 3187 3188 iwl_mvm_bt_coex_vif_change(mvm); 3189 } 3190 3191 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3192 struct ieee80211_vif *vif, 3193 struct ieee80211_bss_conf *link_conf) 3194 { 3195 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3196 3197 guard(mvm)(mvm); 3198 3199 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3200 3201 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3202 if (vif->p2p && mvm->p2p_device_vif) 3203 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3204 3205 iwl_mvm_update_quotas(mvm, false, NULL); 3206 3207 iwl_mvm_ftm_responder_clear(mvm, vif); 3208 3209 /* 3210 * This is not very nice, but the simplest: 3211 * For older FWs removing the mcast sta before the bcast station may 3212 * cause assert 0x2b00. 3213 * This is fixed in later FW (which will stop beaconing when removing 3214 * bcast station). 3215 * So make the order of removal depend on the TLV 3216 */ 3217 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3218 iwl_mvm_rm_mcast_sta(mvm, vif); 3219 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3220 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3221 iwl_mvm_rm_mcast_sta(mvm, vif); 3222 iwl_mvm_binding_remove_vif(mvm, vif); 3223 3224 iwl_mvm_power_update_mac(mvm); 3225 3226 iwl_mvm_mac_ctxt_remove(mvm, vif); 3227 } 3228 3229 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3230 struct ieee80211_vif *vif, 3231 struct ieee80211_bss_conf *link_conf) 3232 { 3233 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3234 } 3235 3236 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3237 struct ieee80211_vif *vif) 3238 { 3239 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3240 } 3241 3242 static void 3243 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3244 struct ieee80211_vif *vif, 3245 struct ieee80211_bss_conf *bss_conf, 3246 u64 changes) 3247 { 3248 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3249 3250 /* Changes will be applied when the AP/IBSS is started */ 3251 if (!mvmvif->ap_ibss_active) 3252 return; 3253 3254 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3255 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3256 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3257 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3258 3259 /* Need to send a new beacon template to the FW */ 3260 if (changes & BSS_CHANGED_BEACON && 3261 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3262 IWL_WARN(mvm, "Failed updating beacon data\n"); 3263 3264 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3265 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3266 3267 if (ret) 3268 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3269 ret); 3270 } 3271 3272 } 3273 3274 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3275 struct ieee80211_vif *vif, 3276 struct ieee80211_bss_conf *bss_conf, 3277 u64 changes) 3278 { 3279 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3280 3281 guard(mvm)(mvm); 3282 3283 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3284 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3285 3286 switch (vif->type) { 3287 case NL80211_IFTYPE_STATION: 3288 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3289 break; 3290 case NL80211_IFTYPE_AP: 3291 case NL80211_IFTYPE_ADHOC: 3292 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3293 break; 3294 case NL80211_IFTYPE_MONITOR: 3295 if (changes & BSS_CHANGED_MU_GROUPS) 3296 iwl_mvm_update_mu_groups(mvm, vif); 3297 break; 3298 default: 3299 /* shouldn't happen */ 3300 WARN_ON_ONCE(1); 3301 } 3302 3303 if (changes & BSS_CHANGED_TXPOWER) { 3304 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3305 bss_conf->txpower); 3306 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3307 } 3308 } 3309 3310 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3311 struct ieee80211_scan_request *hw_req) 3312 { 3313 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3314 3315 if (hw_req->req.n_channels == 0 || 3316 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3317 return -EINVAL; 3318 3319 guard(mvm)(mvm); 3320 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3321 } 3322 3323 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3324 struct ieee80211_vif *vif) 3325 { 3326 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3327 3328 guard(mvm)(mvm); 3329 3330 /* Due to a race condition, it's possible that mac80211 asks 3331 * us to stop a hw_scan when it's already stopped. This can 3332 * happen, for instance, if we stopped the scan ourselves, 3333 * called ieee80211_scan_completed() and the userspace called 3334 * cancel scan scan before ieee80211_scan_work() could run. 3335 * To handle that, simply return if the scan is not running. 3336 */ 3337 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3338 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3339 } 3340 3341 void 3342 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3343 struct ieee80211_sta *sta, u16 tids, 3344 int num_frames, 3345 enum ieee80211_frame_release_type reason, 3346 bool more_data) 3347 { 3348 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3349 3350 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3351 3352 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3353 tids, more_data, false); 3354 } 3355 3356 void 3357 iwl_mvm_mac_release_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 agg or dqa queue */ 3366 3367 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3368 tids, more_data, true); 3369 } 3370 3371 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3372 enum sta_notify_cmd cmd, 3373 struct ieee80211_sta *sta) 3374 { 3375 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3376 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3377 unsigned long txqs = 0, tids = 0; 3378 int tid; 3379 3380 /* 3381 * If we have TVQM then we get too high queue numbers - luckily 3382 * we really shouldn't get here with that because such hardware 3383 * should have firmware supporting buffer station offload. 3384 */ 3385 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3386 return; 3387 3388 spin_lock_bh(&mvmsta->lock); 3389 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3390 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3391 3392 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3393 continue; 3394 3395 __set_bit(tid_data->txq_id, &txqs); 3396 3397 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3398 continue; 3399 3400 __set_bit(tid, &tids); 3401 } 3402 3403 switch (cmd) { 3404 case STA_NOTIFY_SLEEP: 3405 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3406 ieee80211_sta_set_buffered(sta, tid, true); 3407 3408 if (txqs) 3409 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3410 /* 3411 * The fw updates the STA to be asleep. Tx packets on the Tx 3412 * queues to this station will not be transmitted. The fw will 3413 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3414 */ 3415 break; 3416 case STA_NOTIFY_AWAKE: 3417 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3418 break; 3419 3420 if (txqs) 3421 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3422 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3423 break; 3424 default: 3425 break; 3426 } 3427 spin_unlock_bh(&mvmsta->lock); 3428 } 3429 3430 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3431 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3432 { 3433 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3434 } 3435 3436 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3437 { 3438 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3439 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3440 struct ieee80211_sta *sta; 3441 struct iwl_mvm_sta *mvmsta; 3442 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3443 3444 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3445 return; 3446 3447 rcu_read_lock(); 3448 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3449 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3450 rcu_read_unlock(); 3451 return; 3452 } 3453 3454 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3455 3456 if (!mvmsta->vif || 3457 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3458 rcu_read_unlock(); 3459 return; 3460 } 3461 3462 if (mvmsta->sleeping != sleeping) { 3463 mvmsta->sleeping = sleeping; 3464 __iwl_mvm_mac_sta_notify(mvm->hw, 3465 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3466 sta); 3467 ieee80211_sta_ps_transition(sta, sleeping); 3468 } 3469 3470 if (sleeping) { 3471 switch (notif->type) { 3472 case IWL_MVM_PM_EVENT_AWAKE: 3473 case IWL_MVM_PM_EVENT_ASLEEP: 3474 break; 3475 case IWL_MVM_PM_EVENT_UAPSD: 3476 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3477 break; 3478 case IWL_MVM_PM_EVENT_PS_POLL: 3479 ieee80211_sta_pspoll(sta); 3480 break; 3481 default: 3482 break; 3483 } 3484 } 3485 3486 rcu_read_unlock(); 3487 } 3488 3489 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3490 struct ieee80211_vif *vif, 3491 struct ieee80211_sta *sta) 3492 { 3493 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3494 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3495 unsigned int link_id; 3496 3497 /* 3498 * This is called before mac80211 does RCU synchronisation, 3499 * so here we already invalidate our internal RCU-protected 3500 * station pointer. The rest of the code will thus no longer 3501 * be able to find the station this way, and we don't rely 3502 * on further RCU synchronisation after the sta_state() 3503 * callback deleted the station. 3504 * Since there's mvm->mutex here, no need to have RCU lock for 3505 * mvm_sta->link access. 3506 */ 3507 guard(mvm)(mvm); 3508 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3509 struct iwl_mvm_link_sta *link_sta; 3510 u32 sta_id; 3511 3512 if (!mvm_sta->link[link_id]) 3513 continue; 3514 3515 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3516 lockdep_is_held(&mvm->mutex)); 3517 sta_id = link_sta->sta_id; 3518 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3519 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3520 ERR_PTR(-ENOENT)); 3521 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3522 } 3523 } 3524 } 3525 3526 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3527 const u8 *bssid) 3528 { 3529 int i; 3530 3531 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3532 struct iwl_mvm_tcm_mac *mdata; 3533 3534 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3535 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3536 mdata->opened_rx_ba_sessions = false; 3537 } 3538 3539 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3540 return; 3541 3542 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3543 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3544 return; 3545 } 3546 3547 if (!vif->p2p && 3548 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3549 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3550 return; 3551 } 3552 3553 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3554 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3555 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3556 return; 3557 } 3558 } 3559 3560 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3561 } 3562 3563 static void 3564 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3565 struct ieee80211_vif *vif, u8 *peer_addr, 3566 enum nl80211_tdls_operation action) 3567 { 3568 struct iwl_fw_dbg_trigger_tlv *trig; 3569 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3570 3571 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3572 FW_DBG_TRIGGER_TDLS); 3573 if (!trig) 3574 return; 3575 3576 tdls_trig = (void *)trig->data; 3577 3578 if (!(tdls_trig->action_bitmap & BIT(action))) 3579 return; 3580 3581 if (tdls_trig->peer_mode && 3582 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3583 return; 3584 3585 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3586 "TDLS event occurred, peer %pM, action %d", 3587 peer_addr, action); 3588 } 3589 3590 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3591 bool tolerated; 3592 }; 3593 3594 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3595 struct cfg80211_bss *bss, 3596 void *_data) 3597 { 3598 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3599 const struct cfg80211_bss_ies *ies; 3600 const struct element *elem; 3601 3602 rcu_read_lock(); 3603 ies = rcu_dereference(bss->ies); 3604 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3605 ies->len); 3606 3607 if (!elem || elem->datalen < 10 || 3608 !(elem->data[10] & 3609 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3610 data->tolerated = false; 3611 } 3612 rcu_read_unlock(); 3613 } 3614 3615 static void 3616 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3617 struct ieee80211_vif *vif, 3618 unsigned int link_id, 3619 struct ieee80211_bss_conf *link_conf) 3620 { 3621 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3622 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3623 .tolerated = true, 3624 }; 3625 3626 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3627 !mvmvif->link[link_id])) 3628 return; 3629 3630 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3631 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3632 return; 3633 } 3634 3635 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3636 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3637 &iter_data); 3638 3639 /* 3640 * If there is at least one AP on radar channel that cannot 3641 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3642 */ 3643 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3644 } 3645 3646 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3647 struct ieee80211_vif *vif) 3648 { 3649 struct ieee80211_supported_band *sband; 3650 const struct ieee80211_sta_he_cap *he_cap; 3651 3652 if (vif->type != NL80211_IFTYPE_STATION) 3653 return; 3654 3655 if (!mvm->cca_40mhz_workaround) 3656 return; 3657 3658 /* decrement and check that we reached zero */ 3659 mvm->cca_40mhz_workaround--; 3660 if (mvm->cca_40mhz_workaround) 3661 return; 3662 3663 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3664 3665 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3666 3667 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3668 3669 if (he_cap) { 3670 /* we know that ours is writable */ 3671 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3672 3673 he->he_cap_elem.phy_cap_info[0] |= 3674 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3675 } 3676 } 3677 3678 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3679 struct ieee80211_vif *vif, 3680 struct iwl_mvm_sta *mvm_sta) 3681 { 3682 #if IS_ENABLED(CONFIG_IWLMEI) 3683 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3684 struct iwl_mei_conn_info conn_info = { 3685 .ssid_len = vif->cfg.ssid_len, 3686 }; 3687 3688 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3689 return; 3690 3691 if (!mvm->mei_registered) 3692 return; 3693 3694 /* FIXME: MEI needs to be updated for MLO */ 3695 if (!vif->bss_conf.chanreq.oper.chan) 3696 return; 3697 3698 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3699 3700 switch (mvm_sta->pairwise_cipher) { 3701 case WLAN_CIPHER_SUITE_TKIP: 3702 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3703 break; 3704 case WLAN_CIPHER_SUITE_CCMP: 3705 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3706 break; 3707 case WLAN_CIPHER_SUITE_GCMP: 3708 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3709 break; 3710 case WLAN_CIPHER_SUITE_GCMP_256: 3711 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3712 break; 3713 case 0: 3714 /* open profile */ 3715 break; 3716 default: 3717 /* cipher not supported, don't send anything to iwlmei */ 3718 return; 3719 } 3720 3721 switch (mvmvif->rekey_data.akm) { 3722 case WLAN_AKM_SUITE_SAE & 0xff: 3723 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3724 break; 3725 case WLAN_AKM_SUITE_PSK & 0xff: 3726 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3727 break; 3728 case WLAN_AKM_SUITE_8021X & 0xff: 3729 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3730 break; 3731 case 0: 3732 /* open profile */ 3733 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3734 break; 3735 default: 3736 /* auth method / AKM not supported */ 3737 /* TODO: All the FT vesions of these? */ 3738 return; 3739 } 3740 3741 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3742 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3743 3744 /* TODO: add support for collocated AP data */ 3745 iwl_mei_host_associated(&conn_info, NULL); 3746 #endif 3747 } 3748 3749 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3750 struct ieee80211_vif *vif, 3751 bool force_assoc_off) 3752 { 3753 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3754 } 3755 3756 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3757 struct ieee80211_vif *vif, 3758 struct ieee80211_sta *sta, 3759 enum ieee80211_sta_state old_state, 3760 enum ieee80211_sta_state new_state) 3761 { 3762 static const struct iwl_mvm_sta_state_ops callbacks = { 3763 .add_sta = iwl_mvm_add_sta, 3764 .update_sta = iwl_mvm_update_sta, 3765 .rm_sta = iwl_mvm_rm_sta, 3766 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3767 }; 3768 3769 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3770 &callbacks); 3771 } 3772 3773 /* FIXME: temporary making two assumptions in all sta handling functions: 3774 * (1) when setting sta state, the link exists and protected 3775 * (2) if a link is valid in sta then it's valid in vif (can 3776 * use same index in the link array) 3777 */ 3778 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3779 struct ieee80211_vif *vif, 3780 struct ieee80211_sta *sta) 3781 { 3782 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3783 unsigned int link_id; 3784 3785 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3786 struct ieee80211_bss_conf *conf = 3787 link_conf_dereference_check(vif, link_id); 3788 struct ieee80211_link_sta *link_sta = 3789 link_sta_dereference_check(sta, link_id); 3790 3791 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3792 continue; 3793 3794 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3795 mvmvif->link[link_id]->phy_ctxt->channel->band); 3796 } 3797 } 3798 3799 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3800 struct ieee80211_vif *vif, 3801 struct ieee80211_sta *sta) 3802 { 3803 struct ieee80211_link_sta *link_sta; 3804 unsigned int link_id; 3805 3806 /* Beacon interval check - firmware will crash if the beacon 3807 * interval is less than 16. We can't avoid connecting at all, 3808 * so refuse the station state change, this will cause mac80211 3809 * to abandon attempts to connect to this AP, and eventually 3810 * wpa_s will blocklist the AP... 3811 */ 3812 3813 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3814 struct ieee80211_bss_conf *link_conf = 3815 link_conf_dereference_protected(vif, link_id); 3816 3817 if (!link_conf) 3818 continue; 3819 3820 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3821 IWL_ERR(mvm, 3822 "Beacon interval %d for AP %pM is too small\n", 3823 link_conf->beacon_int, link_sta->addr); 3824 return false; 3825 } 3826 3827 link_conf->he_support = link_sta->he_cap.has_he; 3828 } 3829 3830 return true; 3831 } 3832 3833 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3834 struct ieee80211_vif *vif, 3835 struct ieee80211_sta *sta, 3836 bool is_sta) 3837 { 3838 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3839 struct ieee80211_link_sta *link_sta; 3840 unsigned int link_id; 3841 3842 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3843 struct ieee80211_bss_conf *link_conf = 3844 link_conf_dereference_protected(vif, link_id); 3845 3846 if (!link_conf || !mvmvif->link[link_id]) 3847 continue; 3848 3849 link_conf->he_support = link_sta->he_cap.has_he; 3850 3851 if (is_sta) { 3852 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3853 if (link_sta->he_cap.has_he) 3854 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3855 link_id, 3856 link_conf); 3857 } 3858 } 3859 } 3860 3861 static int 3862 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3863 struct ieee80211_vif *vif, 3864 struct ieee80211_sta *sta, 3865 const struct iwl_mvm_sta_state_ops *callbacks) 3866 { 3867 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3868 struct ieee80211_link_sta *link_sta; 3869 unsigned int i; 3870 int ret; 3871 3872 lockdep_assert_held(&mvm->mutex); 3873 3874 if (vif->type == NL80211_IFTYPE_STATION && 3875 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3876 return -EINVAL; 3877 3878 if (sta->tdls && 3879 (vif->p2p || 3880 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3881 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3882 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3883 return -EBUSY; 3884 } 3885 3886 ret = callbacks->add_sta(mvm, vif, sta); 3887 if (sta->tdls && ret == 0) { 3888 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3889 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3890 NL80211_TDLS_SETUP); 3891 } 3892 3893 if (ret) 3894 return ret; 3895 3896 for_each_sta_active_link(vif, sta, link_sta, i) 3897 link_sta->agg.max_rc_amsdu_len = 1; 3898 3899 ieee80211_sta_recalc_aggregates(sta); 3900 3901 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3902 mvmvif->ap_sta = sta; 3903 3904 /* 3905 * Initialize the rates here already - this really tells 3906 * the firmware only what the supported legacy rates are 3907 * (may be) since it's initialized already from what the 3908 * AP advertised in the beacon/probe response. This will 3909 * allow the firmware to send auth/assoc frames with one 3910 * of the supported rates already, rather than having to 3911 * use a mandatory rate. 3912 * If we're the AP, we'll just assume mandatory rates at 3913 * this point, but we know nothing about the STA anyway. 3914 */ 3915 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3916 3917 return 0; 3918 } 3919 3920 static int 3921 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3922 struct iwl_mvm *mvm, 3923 struct ieee80211_vif *vif, 3924 struct ieee80211_sta *sta, 3925 const struct iwl_mvm_sta_state_ops *callbacks) 3926 { 3927 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3928 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3929 struct ieee80211_link_sta *link_sta; 3930 unsigned int link_id; 3931 3932 lockdep_assert_held(&mvm->mutex); 3933 3934 if (vif->type == NL80211_IFTYPE_AP) { 3935 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3936 mvmvif->ap_assoc_sta_count++; 3937 callbacks->mac_ctxt_changed(mvm, vif, false); 3938 3939 /* since the below is not for MLD API, it's ok to use 3940 * the default bss_conf 3941 */ 3942 if (!mvm->mld_api_is_used && 3943 (vif->bss_conf.he_support && 3944 !iwlwifi_mod_params.disable_11ax)) 3945 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3946 } else if (vif->type == NL80211_IFTYPE_STATION) { 3947 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3948 3949 callbacks->mac_ctxt_changed(mvm, vif, false); 3950 3951 if (!mvm->mld_api_is_used) 3952 goto out; 3953 3954 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3955 struct ieee80211_bss_conf *link_conf = 3956 link_conf_dereference_protected(vif, link_id); 3957 3958 if (WARN_ON(!link_conf)) 3959 return -EINVAL; 3960 if (!mvmvif->link[link_id]) 3961 continue; 3962 3963 iwl_mvm_link_changed(mvm, vif, link_conf, 3964 LINK_CONTEXT_MODIFY_ALL & 3965 ~LINK_CONTEXT_MODIFY_ACTIVE, 3966 true); 3967 } 3968 } 3969 3970 out: 3971 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3972 3973 return callbacks->update_sta(mvm, vif, sta); 3974 } 3975 3976 static int 3977 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3978 struct ieee80211_vif *vif, 3979 struct ieee80211_sta *sta, 3980 const struct iwl_mvm_sta_state_ops *callbacks) 3981 { 3982 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3983 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3984 3985 lockdep_assert_held(&mvm->mutex); 3986 3987 /* we don't support TDLS during DCM */ 3988 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3989 iwl_mvm_teardown_tdls_peers(mvm); 3990 3991 if (sta->tdls) { 3992 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3993 NL80211_TDLS_ENABLE_LINK); 3994 } else { 3995 /* enable beacon filtering */ 3996 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 3997 3998 mvmvif->authorized = 1; 3999 4000 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 4001 mvmvif->link_selection_res = vif->active_links; 4002 mvmvif->link_selection_primary = 4003 vif->active_links ? __ffs(vif->active_links) : 0; 4004 } 4005 4006 callbacks->mac_ctxt_changed(mvm, vif, false); 4007 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4008 4009 memset(&mvmvif->last_esr_exit, 0, 4010 sizeof(mvmvif->last_esr_exit)); 4011 4012 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4013 4014 /* Block until FW notif will arrive */ 4015 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4016 4017 /* when client is authorized (AP station marked as such), 4018 * try to enable the best link(s). 4019 */ 4020 if (vif->type == NL80211_IFTYPE_STATION && 4021 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4022 iwl_mvm_select_links(mvm, vif); 4023 } 4024 4025 mvm_sta->authorized = true; 4026 4027 /* MFP is set by default before the station is authorized. 4028 * Clear it here in case it's not used. 4029 */ 4030 if (!sta->mfp) { 4031 int ret = callbacks->update_sta(mvm, vif, sta); 4032 4033 if (ret) 4034 return ret; 4035 } 4036 4037 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4038 4039 return 0; 4040 } 4041 4042 static int 4043 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4044 struct ieee80211_vif *vif, 4045 struct ieee80211_sta *sta, 4046 const struct iwl_mvm_sta_state_ops *callbacks) 4047 { 4048 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4049 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4050 4051 lockdep_assert_held(&mvm->mutex); 4052 4053 mvmsta->authorized = false; 4054 4055 /* once we move into assoc state, need to update rate scale to 4056 * disable using wide bandwidth 4057 */ 4058 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4059 4060 if (!sta->tdls) { 4061 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4062 * yet to avoid sending high prio again for a little 4063 * time. 4064 */ 4065 mvmvif->authorized = 0; 4066 mvmvif->link_selection_res = 0; 4067 4068 /* disable beacon filtering */ 4069 iwl_mvm_disable_beacon_filter(mvm, vif); 4070 4071 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4072 &mvmvif->prevent_esr_done_wk); 4073 4074 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4075 &mvmvif->mlo_int_scan_wk); 4076 4077 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4078 4079 /* No need for the periodic statistics anymore */ 4080 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4081 iwl_mvm_request_periodic_system_statistics(mvm, false); 4082 } 4083 4084 return 0; 4085 } 4086 4087 /* Common part for MLD and non-MLD modes */ 4088 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4089 struct ieee80211_vif *vif, 4090 struct ieee80211_sta *sta, 4091 enum ieee80211_sta_state old_state, 4092 enum ieee80211_sta_state new_state, 4093 const struct iwl_mvm_sta_state_ops *callbacks) 4094 { 4095 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4096 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4097 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4098 struct ieee80211_link_sta *link_sta; 4099 unsigned int link_id; 4100 int ret; 4101 4102 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4103 sta->addr, old_state, new_state); 4104 4105 /* 4106 * If we are in a STA removal flow and in DQA mode: 4107 * 4108 * This is after the sync_rcu part, so the queues have already been 4109 * flushed. No more TXs on their way in mac80211's path, and no more in 4110 * the queues. 4111 * Also, we won't be getting any new TX frames for this station. 4112 * What we might have are deferred TX frames that need to be taken care 4113 * of. 4114 * 4115 * Drop any still-queued deferred-frame before removing the STA, and 4116 * make sure the worker is no longer handling frames for this STA. 4117 */ 4118 if (old_state == IEEE80211_STA_NONE && 4119 new_state == IEEE80211_STA_NOTEXIST) { 4120 flush_work(&mvm->add_stream_wk); 4121 4122 /* 4123 * No need to make sure deferred TX indication is off since the 4124 * worker will already remove it if it was on 4125 */ 4126 4127 /* 4128 * Additionally, reset the 40 MHz capability if we disconnected 4129 * from the AP now. 4130 */ 4131 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4132 4133 /* Also free dup data just in case any assertions below fail */ 4134 kfree(mvm_sta->dup_data); 4135 } 4136 4137 mutex_lock(&mvm->mutex); 4138 4139 /* this would be a mac80211 bug ... but don't crash, unless we had a 4140 * firmware crash while we were activating a link, in which case it is 4141 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4142 * recovery flow since we spit tons of error messages anyway. 4143 */ 4144 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4145 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4146 !mvmvif->link[link_id]->phy_ctxt)) { 4147 mutex_unlock(&mvm->mutex); 4148 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4149 &mvm->status) ? 0 : -EINVAL; 4150 } 4151 } 4152 4153 /* track whether or not the station is associated */ 4154 mvm_sta->sta_state = new_state; 4155 4156 if (old_state == IEEE80211_STA_NOTEXIST && 4157 new_state == IEEE80211_STA_NONE) { 4158 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4159 callbacks); 4160 if (ret < 0) 4161 goto out_unlock; 4162 } else if (old_state == IEEE80211_STA_NONE && 4163 new_state == IEEE80211_STA_AUTH) { 4164 /* 4165 * EBS may be disabled due to previous failures reported by FW. 4166 * Reset EBS status here assuming environment has been changed. 4167 */ 4168 mvm->last_ebs_successful = true; 4169 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4170 ret = 0; 4171 } else if (old_state == IEEE80211_STA_AUTH && 4172 new_state == IEEE80211_STA_ASSOC) { 4173 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4174 callbacks); 4175 } else if (old_state == IEEE80211_STA_ASSOC && 4176 new_state == IEEE80211_STA_AUTHORIZED) { 4177 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4178 callbacks); 4179 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4180 new_state == IEEE80211_STA_ASSOC) { 4181 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4182 callbacks); 4183 } else if (old_state == IEEE80211_STA_ASSOC && 4184 new_state == IEEE80211_STA_AUTH) { 4185 if (vif->type == NL80211_IFTYPE_AP) { 4186 mvmvif->ap_assoc_sta_count--; 4187 callbacks->mac_ctxt_changed(mvm, vif, false); 4188 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4189 iwl_mvm_stop_session_protection(mvm, vif); 4190 ret = 0; 4191 } else if (old_state == IEEE80211_STA_AUTH && 4192 new_state == IEEE80211_STA_NONE) { 4193 ret = 0; 4194 } else if (old_state == IEEE80211_STA_NONE && 4195 new_state == IEEE80211_STA_NOTEXIST) { 4196 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4197 iwl_mvm_stop_session_protection(mvm, vif); 4198 mvmvif->ap_sta = NULL; 4199 } 4200 ret = callbacks->rm_sta(mvm, vif, sta); 4201 if (sta->tdls) { 4202 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4203 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4204 NL80211_TDLS_DISABLE_LINK); 4205 } 4206 4207 if (unlikely(ret && 4208 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4209 &mvm->status))) 4210 ret = 0; 4211 } else { 4212 ret = -EIO; 4213 } 4214 out_unlock: 4215 mutex_unlock(&mvm->mutex); 4216 4217 if (sta->tdls && ret == 0) { 4218 if (old_state == IEEE80211_STA_NOTEXIST && 4219 new_state == IEEE80211_STA_NONE) 4220 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4221 else if (old_state == IEEE80211_STA_NONE && 4222 new_state == IEEE80211_STA_NOTEXIST) 4223 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4224 } 4225 4226 return ret; 4227 } 4228 4229 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4230 { 4231 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4232 4233 mvm->rts_threshold = value; 4234 4235 return 0; 4236 } 4237 4238 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4239 struct ieee80211_sta *sta, u32 changed) 4240 { 4241 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4242 4243 if (changed & (IEEE80211_RC_BW_CHANGED | 4244 IEEE80211_RC_SUPP_RATES_CHANGED | 4245 IEEE80211_RC_NSS_CHANGED)) 4246 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4247 4248 if (vif->type == NL80211_IFTYPE_STATION && 4249 changed & IEEE80211_RC_NSS_CHANGED) 4250 iwl_mvm_sf_update(mvm, vif, false); 4251 } 4252 4253 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4254 struct ieee80211_vif *vif, 4255 unsigned int link_id, u16 ac, 4256 const struct ieee80211_tx_queue_params *params) 4257 { 4258 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4259 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4260 4261 mvmvif->deflink.queue_params[ac] = *params; 4262 4263 /* 4264 * No need to update right away, we'll get BSS_CHANGED_QOS 4265 * The exception is P2P_DEVICE interface which needs immediate update. 4266 */ 4267 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4268 guard(mvm)(mvm); 4269 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4270 } 4271 return 0; 4272 } 4273 4274 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4275 struct ieee80211_vif *vif, 4276 struct ieee80211_prep_tx_info *info) 4277 { 4278 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4279 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4280 4281 if (info->was_assoc && !mvmvif->session_prot_connection_loss) 4282 return; 4283 4284 guard(mvm)(mvm); 4285 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4286 } 4287 4288 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4289 struct ieee80211_vif *vif, 4290 struct ieee80211_prep_tx_info *info) 4291 { 4292 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4293 4294 /* for successful cases (auth/assoc), don't cancel session protection */ 4295 if (info->success) 4296 return; 4297 4298 guard(mvm)(mvm); 4299 iwl_mvm_stop_session_protection(mvm, vif); 4300 } 4301 4302 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4303 struct ieee80211_vif *vif, 4304 struct cfg80211_sched_scan_request *req, 4305 struct ieee80211_scan_ies *ies) 4306 { 4307 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4308 4309 guard(mvm)(mvm); 4310 4311 if (!vif->cfg.idle) 4312 return -EBUSY; 4313 4314 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4315 } 4316 4317 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4318 struct ieee80211_vif *vif) 4319 { 4320 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4321 int ret; 4322 4323 mutex_lock(&mvm->mutex); 4324 4325 /* Due to a race condition, it's possible that mac80211 asks 4326 * us to stop a sched_scan when it's already stopped. This 4327 * can happen, for instance, if we stopped the scan ourselves, 4328 * called ieee80211_sched_scan_stopped() and the userspace called 4329 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4330 * could run. To handle this, simply return if the scan is 4331 * not running. 4332 */ 4333 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4334 mutex_unlock(&mvm->mutex); 4335 return 0; 4336 } 4337 4338 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4339 mutex_unlock(&mvm->mutex); 4340 iwl_mvm_wait_for_async_handlers(mvm); 4341 4342 return ret; 4343 } 4344 4345 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4346 enum set_key_cmd cmd, 4347 struct ieee80211_vif *vif, 4348 struct ieee80211_sta *sta, 4349 struct ieee80211_key_conf *key) 4350 { 4351 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4352 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4353 struct iwl_mvm_sta *mvmsta = NULL; 4354 struct iwl_mvm_key_pn *ptk_pn = NULL; 4355 int keyidx = key->keyidx; 4356 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4357 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4358 int ret, i; 4359 u8 key_offset; 4360 4361 if (sta) 4362 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4363 4364 switch (key->cipher) { 4365 case WLAN_CIPHER_SUITE_TKIP: 4366 if (!mvm->trans->trans_cfg->gen2) { 4367 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4368 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4369 } else if (vif->type == NL80211_IFTYPE_STATION) { 4370 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4371 } else { 4372 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4373 return -EOPNOTSUPP; 4374 } 4375 break; 4376 case WLAN_CIPHER_SUITE_CCMP: 4377 case WLAN_CIPHER_SUITE_GCMP: 4378 case WLAN_CIPHER_SUITE_GCMP_256: 4379 if (!iwl_mvm_has_new_tx_api(mvm)) 4380 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4381 break; 4382 case WLAN_CIPHER_SUITE_AES_CMAC: 4383 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4384 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4385 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4386 break; 4387 case WLAN_CIPHER_SUITE_WEP40: 4388 case WLAN_CIPHER_SUITE_WEP104: 4389 if (vif->type == NL80211_IFTYPE_STATION) 4390 break; 4391 if (iwl_mvm_has_new_tx_api(mvm)) 4392 return -EOPNOTSUPP; 4393 /* support HW crypto on TX */ 4394 return 0; 4395 default: 4396 return -EOPNOTSUPP; 4397 } 4398 4399 switch (cmd) { 4400 case SET_KEY: 4401 if (vif->type == NL80211_IFTYPE_STATION && 4402 (keyidx == 6 || keyidx == 7)) 4403 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4404 key); 4405 4406 if ((vif->type == NL80211_IFTYPE_ADHOC || 4407 vif->type == NL80211_IFTYPE_AP) && !sta) { 4408 /* 4409 * GTK on AP interface is a TX-only key, return 0; 4410 * on IBSS they're per-station and because we're lazy 4411 * we don't support them for RX, so do the same. 4412 * CMAC/GMAC in AP/IBSS modes must be done in software 4413 * on older NICs. 4414 * 4415 * Except, of course, beacon protection - it must be 4416 * offloaded since we just set a beacon template, and 4417 * then we must also offload the IGTK (not just BIGTK) 4418 * for firmware reasons. 4419 * 4420 * So just check for beacon protection - if we don't 4421 * have it we cannot get here with keyidx >= 6, and 4422 * if we do have it we need to send the key to FW in 4423 * all cases (CMAC/GMAC). 4424 */ 4425 if (!wiphy_ext_feature_isset(hw->wiphy, 4426 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4427 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4428 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4429 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4430 ret = -EOPNOTSUPP; 4431 break; 4432 } 4433 4434 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4435 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4436 !iwl_mvm_has_new_tx_api(mvm)) { 4437 key->hw_key_idx = STA_KEY_IDX_INVALID; 4438 ret = 0; 4439 break; 4440 } 4441 4442 if (!mvmvif->ap_ibss_active) { 4443 for (i = 0; 4444 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4445 i++) { 4446 if (!mvmvif->ap_early_keys[i]) { 4447 mvmvif->ap_early_keys[i] = key; 4448 break; 4449 } 4450 } 4451 4452 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4453 ret = -ENOSPC; 4454 else 4455 ret = 0; 4456 4457 break; 4458 } 4459 } 4460 4461 /* During FW restart, in order to restore the state as it was, 4462 * don't try to reprogram keys we previously failed for. 4463 */ 4464 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4465 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4466 IWL_DEBUG_MAC80211(mvm, 4467 "skip invalid idx key programming during restart\n"); 4468 ret = 0; 4469 break; 4470 } 4471 4472 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4473 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4474 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4475 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4476 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4477 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4478 struct ieee80211_key_seq seq; 4479 int tid, q; 4480 4481 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4482 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4483 mvm->trans->num_rx_queues), 4484 GFP_KERNEL); 4485 if (!ptk_pn) { 4486 ret = -ENOMEM; 4487 break; 4488 } 4489 4490 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4491 ieee80211_get_key_rx_seq(key, tid, &seq); 4492 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4493 memcpy(ptk_pn->q[q].pn[tid], 4494 seq.ccmp.pn, 4495 IEEE80211_CCMP_PN_LEN); 4496 } 4497 4498 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4499 } 4500 4501 /* in HW restart reuse the index, otherwise request a new one */ 4502 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4503 key_offset = key->hw_key_idx; 4504 else 4505 key_offset = STA_KEY_IDX_INVALID; 4506 4507 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4508 mvmsta->pairwise_cipher = key->cipher; 4509 4510 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4511 sta ? sta->addr : NULL, key->keyidx); 4512 4513 if (sec_key_ver) 4514 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4515 else 4516 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4517 4518 if (ret) { 4519 IWL_WARN(mvm, "set key failed\n"); 4520 key->hw_key_idx = STA_KEY_IDX_INVALID; 4521 if (ptk_pn) { 4522 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4523 kfree(ptk_pn); 4524 } 4525 /* 4526 * can't add key for RX, but we don't need it 4527 * in the device for TX so still return 0, 4528 * unless we have new TX API where we cannot 4529 * put key material into the TX_CMD 4530 */ 4531 if (iwl_mvm_has_new_tx_api(mvm)) 4532 ret = -EOPNOTSUPP; 4533 else 4534 ret = 0; 4535 } 4536 4537 break; 4538 case DISABLE_KEY: 4539 if (vif->type == NL80211_IFTYPE_STATION && 4540 (keyidx == 6 || keyidx == 7)) 4541 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4542 NULL); 4543 4544 ret = -ENOENT; 4545 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4546 if (mvmvif->ap_early_keys[i] == key) { 4547 mvmvif->ap_early_keys[i] = NULL; 4548 ret = 0; 4549 } 4550 } 4551 4552 /* found in pending list - don't do anything else */ 4553 if (ret == 0) 4554 break; 4555 4556 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4557 ret = 0; 4558 break; 4559 } 4560 4561 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4562 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4563 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4564 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4565 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4566 ptk_pn = rcu_dereference_protected( 4567 mvmsta->ptk_pn[keyidx], 4568 lockdep_is_held(&mvm->mutex)); 4569 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4570 if (ptk_pn) 4571 kfree_rcu(ptk_pn, rcu_head); 4572 } 4573 4574 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4575 if (sec_key_ver) 4576 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4577 else 4578 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4579 break; 4580 default: 4581 ret = -EINVAL; 4582 } 4583 4584 return ret; 4585 } 4586 4587 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4588 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4589 struct ieee80211_key_conf *key) 4590 { 4591 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4592 4593 guard(mvm)(mvm); 4594 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4595 } 4596 4597 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4598 struct ieee80211_vif *vif, 4599 struct ieee80211_key_conf *keyconf, 4600 struct ieee80211_sta *sta, 4601 u32 iv32, u16 *phase1key) 4602 { 4603 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4604 4605 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4606 return; 4607 4608 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4609 } 4610 4611 4612 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4613 struct iwl_rx_packet *pkt, void *data) 4614 { 4615 struct iwl_mvm *mvm = 4616 container_of(notif_wait, struct iwl_mvm, notif_wait); 4617 struct iwl_hs20_roc_res *resp; 4618 int resp_len = iwl_rx_packet_payload_len(pkt); 4619 struct iwl_mvm_time_event_data *te_data = data; 4620 4621 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4622 return true; 4623 4624 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4625 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4626 return true; 4627 } 4628 4629 resp = (void *)pkt->data; 4630 4631 IWL_DEBUG_TE(mvm, 4632 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4633 resp->status, resp->event_unique_id); 4634 4635 te_data->uid = le32_to_cpu(resp->event_unique_id); 4636 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4637 te_data->uid); 4638 4639 spin_lock_bh(&mvm->time_event_lock); 4640 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4641 spin_unlock_bh(&mvm->time_event_lock); 4642 4643 return true; 4644 } 4645 4646 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4647 struct ieee80211_channel *channel, 4648 struct ieee80211_vif *vif, 4649 int duration) 4650 { 4651 int res; 4652 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4653 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4654 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4655 struct iwl_notification_wait wait_time_event; 4656 u32 req_dur, delay; 4657 struct iwl_hs20_roc_req aux_roc_req = { 4658 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4659 .id_and_color = 4660 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4661 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4662 }; 4663 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4664 &aux_roc_req.channel_info); 4665 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4666 4667 /* Set the channel info data */ 4668 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4669 iwl_mvm_phy_band_from_nl80211(channel->band), 4670 IWL_PHY_CHANNEL_MODE20, 4671 0); 4672 4673 /* Set the time and duration */ 4674 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4675 4676 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4677 tail->duration = cpu_to_le32(req_dur); 4678 tail->apply_time_max_delay = cpu_to_le32(delay); 4679 4680 IWL_DEBUG_TE(mvm, 4681 "ROC: Requesting to remain on channel %u for %ums\n", 4682 channel->hw_value, req_dur); 4683 IWL_DEBUG_TE(mvm, 4684 "\t(requested = %ums, max_delay = %ums)\n", 4685 duration, delay); 4686 4687 /* Set the node address */ 4688 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4689 4690 lockdep_assert_held(&mvm->mutex); 4691 4692 spin_lock_bh(&mvm->time_event_lock); 4693 4694 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4695 spin_unlock_bh(&mvm->time_event_lock); 4696 return -EIO; 4697 } 4698 4699 te_data->vif = vif; 4700 te_data->duration = duration; 4701 te_data->id = HOT_SPOT_CMD; 4702 4703 spin_unlock_bh(&mvm->time_event_lock); 4704 4705 /* 4706 * Use a notification wait, which really just processes the 4707 * command response and doesn't wait for anything, in order 4708 * to be able to process the response and get the UID inside 4709 * the RX path. Using CMD_WANT_SKB doesn't work because it 4710 * stores the buffer and then wakes up this thread, by which 4711 * time another notification (that the time event started) 4712 * might already be processed unsuccessfully. 4713 */ 4714 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4715 time_event_response, 4716 ARRAY_SIZE(time_event_response), 4717 iwl_mvm_rx_aux_roc, te_data); 4718 4719 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4720 &aux_roc_req); 4721 4722 if (res) { 4723 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4724 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4725 goto out_clear_te; 4726 } 4727 4728 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4729 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4730 /* should never fail */ 4731 WARN_ON_ONCE(res); 4732 4733 if (res) { 4734 out_clear_te: 4735 spin_lock_bh(&mvm->time_event_lock); 4736 iwl_mvm_te_clear_data(mvm, te_data); 4737 spin_unlock_bh(&mvm->time_event_lock); 4738 } 4739 4740 return res; 4741 } 4742 4743 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4744 { 4745 int ret = 0; 4746 4747 lockdep_assert_held(&mvm->mutex); 4748 4749 if (!fw_has_capa(&mvm->fw->ucode_capa, 4750 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4751 IWL_ERR(mvm, "hotspot not supported\n"); 4752 return -EINVAL; 4753 } 4754 4755 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4756 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4757 WARN(ret, "Failed to allocate aux station"); 4758 } 4759 4760 return ret; 4761 } 4762 4763 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4764 { 4765 int ret; 4766 4767 lockdep_assert_held(&mvm->mutex); 4768 4769 ret = iwl_mvm_binding_add_vif(mvm, vif); 4770 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4771 return ret; 4772 4773 /* The station and queue allocation must be done only after the binding 4774 * is done, as otherwise the FW might incorrectly configure its state. 4775 */ 4776 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4777 } 4778 4779 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4780 struct ieee80211_vif *vif, 4781 struct ieee80211_channel *channel, 4782 int duration, 4783 enum ieee80211_roc_type type) 4784 { 4785 static const struct iwl_mvm_roc_ops ops = { 4786 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4787 .link = iwl_mvm_roc_link, 4788 }; 4789 4790 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4791 } 4792 4793 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4794 struct ieee80211_channel *channel, 4795 struct ieee80211_vif *vif, 4796 int duration) 4797 { 4798 int ret; 4799 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4800 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4801 IWL_FW_CMD_VER_UNKNOWN); 4802 4803 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4804 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4805 } else if (fw_ver >= 3) { 4806 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4807 ROC_ACTIVITY_HOTSPOT); 4808 } else { 4809 ret = -EOPNOTSUPP; 4810 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4811 } 4812 4813 return ret; 4814 } 4815 4816 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4817 struct ieee80211_channel *channel, 4818 struct ieee80211_vif *vif, 4819 int duration, 4820 enum ieee80211_roc_type type) 4821 { 4822 enum iwl_roc_activity activity; 4823 int ret; 4824 4825 lockdep_assert_held(&mvm->mutex); 4826 4827 switch (type) { 4828 case IEEE80211_ROC_TYPE_NORMAL: 4829 activity = ROC_ACTIVITY_P2P_DISC; 4830 break; 4831 case IEEE80211_ROC_TYPE_MGMT_TX: 4832 activity = ROC_ACTIVITY_P2P_NEG; 4833 break; 4834 default: 4835 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4836 return -EINVAL; 4837 } 4838 4839 ret = iwl_mvm_mld_add_aux_sta(mvm, 4840 iwl_mvm_get_lmac_id(mvm, channel->band)); 4841 if (ret) 4842 return ret; 4843 4844 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4845 } 4846 4847 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4848 struct ieee80211_vif *vif, 4849 struct ieee80211_channel *channel) 4850 { 4851 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4852 struct cfg80211_chan_def chandef; 4853 int i; 4854 4855 lockdep_assert_held(&mvm->mutex); 4856 4857 if (mvmvif->deflink.phy_ctxt && 4858 channel == mvmvif->deflink.phy_ctxt->channel) 4859 return 0; 4860 4861 /* Try using a PHY context that is already in use */ 4862 for (i = 0; i < NUM_PHY_CTX; i++) { 4863 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4864 4865 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4866 continue; 4867 4868 if (channel == phy_ctxt->channel) { 4869 if (mvmvif->deflink.phy_ctxt) 4870 iwl_mvm_phy_ctxt_unref(mvm, 4871 mvmvif->deflink.phy_ctxt); 4872 4873 mvmvif->deflink.phy_ctxt = phy_ctxt; 4874 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4875 return 0; 4876 } 4877 } 4878 4879 /* We already have a phy_ctxt, but it's not on the right channel */ 4880 if (mvmvif->deflink.phy_ctxt) 4881 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4882 4883 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4884 if (!mvmvif->deflink.phy_ctxt) 4885 return -ENOSPC; 4886 4887 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4888 4889 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4890 &chandef, NULL, 1, 1); 4891 } 4892 4893 /* Execute the common part for MLD and non-MLD modes */ 4894 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4895 struct ieee80211_channel *channel, int duration, 4896 enum ieee80211_roc_type type, 4897 const struct iwl_mvm_roc_ops *ops) 4898 { 4899 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4900 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4901 u32 lmac_id; 4902 int ret; 4903 4904 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4905 duration, type); 4906 4907 /* 4908 * Flush the done work, just in case it's still pending, so that 4909 * the work it does can complete and we can accept new frames. 4910 */ 4911 flush_work(&mvm->roc_done_wk); 4912 4913 if (!IS_ERR_OR_NULL(bss_vif)) { 4914 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4915 IWL_MVM_ESR_BLOCKED_ROC); 4916 if (ret) 4917 return ret; 4918 } 4919 4920 guard(mvm)(mvm); 4921 4922 switch (vif->type) { 4923 case NL80211_IFTYPE_STATION: 4924 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4925 4926 /* Use aux roc framework (HS20) */ 4927 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4928 if (!ret) 4929 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4930 return ret; 4931 case NL80211_IFTYPE_P2P_DEVICE: 4932 /* handle below */ 4933 break; 4934 default: 4935 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4936 return -EINVAL; 4937 } 4938 4939 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4940 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4941 return ret; 4942 } 4943 4944 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4945 if (ret) 4946 return ret; 4947 4948 ret = ops->link(mvm, vif); 4949 if (ret) 4950 return ret; 4951 4952 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4953 } 4954 4955 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4956 struct ieee80211_vif *vif) 4957 { 4958 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4959 4960 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4961 4962 iwl_mvm_stop_roc(mvm, vif); 4963 4964 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4965 return 0; 4966 } 4967 4968 struct iwl_mvm_ftm_responder_iter_data { 4969 bool responder; 4970 struct ieee80211_chanctx_conf *ctx; 4971 }; 4972 4973 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4974 struct ieee80211_vif *vif) 4975 { 4976 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4977 4978 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4979 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4980 data->responder = true; 4981 } 4982 4983 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4984 struct ieee80211_chanctx_conf *ctx) 4985 { 4986 struct iwl_mvm_ftm_responder_iter_data data = { 4987 .responder = false, 4988 .ctx = ctx, 4989 }; 4990 4991 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4992 IEEE80211_IFACE_ITER_NORMAL, 4993 iwl_mvm_ftm_responder_chanctx_iter, 4994 &data); 4995 return data.responder; 4996 } 4997 4998 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4999 struct ieee80211_chanctx_conf *ctx) 5000 { 5001 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5002 struct iwl_mvm_phy_ctxt *phy_ctxt; 5003 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5004 int ret; 5005 5006 lockdep_assert_held(&mvm->mutex); 5007 5008 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 5009 5010 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5011 if (!phy_ctxt) { 5012 ret = -ENOSPC; 5013 goto out; 5014 } 5015 5016 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5017 ctx->rx_chains_static, 5018 ctx->rx_chains_dynamic); 5019 if (ret) { 5020 IWL_ERR(mvm, "Failed to add PHY context\n"); 5021 goto out; 5022 } 5023 5024 *phy_ctxt_id = phy_ctxt->id; 5025 out: 5026 return ret; 5027 } 5028 5029 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5030 struct ieee80211_chanctx_conf *ctx) 5031 { 5032 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5033 5034 guard(mvm)(mvm); 5035 return __iwl_mvm_add_chanctx(mvm, ctx); 5036 } 5037 5038 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5039 struct ieee80211_chanctx_conf *ctx) 5040 { 5041 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5042 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5043 5044 lockdep_assert_held(&mvm->mutex); 5045 5046 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5047 } 5048 5049 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5050 struct ieee80211_chanctx_conf *ctx) 5051 { 5052 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5053 5054 guard(mvm)(mvm); 5055 __iwl_mvm_remove_chanctx(mvm, ctx); 5056 } 5057 5058 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5059 struct ieee80211_chanctx_conf *ctx, u32 changed) 5060 { 5061 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5062 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5063 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5064 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5065 5066 if (WARN_ONCE((phy_ctxt->ref > 1) && 5067 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5068 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5069 IEEE80211_CHANCTX_CHANGE_RADAR | 5070 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 5071 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5072 phy_ctxt->ref, changed)) 5073 return; 5074 5075 guard(mvm)(mvm); 5076 5077 /* we are only changing the min_width, may be a noop */ 5078 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5079 if (phy_ctxt->width == def->width) 5080 return; 5081 5082 /* we are just toggling between 20_NOHT and 20 */ 5083 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5084 def->width <= NL80211_CHAN_WIDTH_20) 5085 return; 5086 } 5087 5088 iwl_mvm_bt_coex_vif_change(mvm); 5089 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5090 ctx->rx_chains_static, 5091 ctx->rx_chains_dynamic); 5092 } 5093 5094 /* 5095 * This function executes the common part for MLD and non-MLD modes. 5096 * 5097 * Returns true if we're done assigning the chanctx 5098 * (either on failure or success) 5099 */ 5100 static bool 5101 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5102 struct ieee80211_vif *vif, 5103 struct ieee80211_chanctx_conf *ctx, 5104 bool switching_chanctx, int *ret) 5105 { 5106 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5107 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5108 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5109 5110 lockdep_assert_held(&mvm->mutex); 5111 5112 mvmvif->deflink.phy_ctxt = phy_ctxt; 5113 5114 switch (vif->type) { 5115 case NL80211_IFTYPE_AP: 5116 /* only needed if we're switching chanctx (i.e. during CSA) */ 5117 if (switching_chanctx) { 5118 mvmvif->ap_ibss_active = true; 5119 break; 5120 } 5121 fallthrough; 5122 case NL80211_IFTYPE_ADHOC: 5123 /* 5124 * The AP binding flow is handled as part of the start_ap flow 5125 * (in bss_info_changed), similarly for IBSS. 5126 */ 5127 *ret = 0; 5128 return true; 5129 case NL80211_IFTYPE_STATION: 5130 break; 5131 case NL80211_IFTYPE_MONITOR: 5132 /* always disable PS when a monitor interface is active */ 5133 mvmvif->ps_disabled = true; 5134 break; 5135 default: 5136 *ret = -EINVAL; 5137 return true; 5138 } 5139 return false; 5140 } 5141 5142 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5143 struct ieee80211_vif *vif, 5144 struct ieee80211_bss_conf *link_conf, 5145 struct ieee80211_chanctx_conf *ctx, 5146 bool switching_chanctx) 5147 { 5148 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5149 int ret; 5150 5151 if (WARN_ON(!link_conf)) 5152 return -EINVAL; 5153 5154 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5155 switching_chanctx, &ret)) 5156 goto out; 5157 5158 ret = iwl_mvm_binding_add_vif(mvm, vif); 5159 if (ret) 5160 goto out; 5161 5162 /* 5163 * Power state must be updated before quotas, 5164 * otherwise fw will complain. 5165 */ 5166 iwl_mvm_power_update_mac(mvm); 5167 5168 /* Setting the quota at this stage is only required for monitor 5169 * interfaces. For the other types, the bss_info changed flow 5170 * will handle quota settings. 5171 */ 5172 if (vif->type == NL80211_IFTYPE_MONITOR) { 5173 mvmvif->monitor_active = true; 5174 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5175 if (ret) 5176 goto out_remove_binding; 5177 5178 ret = iwl_mvm_add_snif_sta(mvm, vif); 5179 if (ret) 5180 goto out_remove_binding; 5181 5182 } 5183 5184 /* Handle binding during CSA */ 5185 if (vif->type == NL80211_IFTYPE_AP) { 5186 iwl_mvm_update_quotas(mvm, false, NULL); 5187 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5188 } 5189 5190 if (vif->type == NL80211_IFTYPE_STATION) { 5191 if (!switching_chanctx) { 5192 mvmvif->csa_bcn_pending = false; 5193 goto out; 5194 } 5195 5196 mvmvif->csa_bcn_pending = true; 5197 5198 if (!fw_has_capa(&mvm->fw->ucode_capa, 5199 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5200 u32 duration = 5 * vif->bss_conf.beacon_int; 5201 5202 /* Protect the session to make sure we hear the first 5203 * beacon on the new channel. 5204 */ 5205 iwl_mvm_protect_session(mvm, vif, duration, duration, 5206 vif->bss_conf.beacon_int / 2, 5207 true); 5208 } 5209 5210 iwl_mvm_update_quotas(mvm, false, NULL); 5211 5212 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5213 link_conf, 5214 false); 5215 } 5216 5217 goto out; 5218 5219 out_remove_binding: 5220 iwl_mvm_binding_remove_vif(mvm, vif); 5221 iwl_mvm_power_update_mac(mvm); 5222 out: 5223 if (ret) 5224 mvmvif->deflink.phy_ctxt = NULL; 5225 return ret; 5226 } 5227 5228 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5229 struct ieee80211_vif *vif, 5230 struct ieee80211_bss_conf *link_conf, 5231 struct ieee80211_chanctx_conf *ctx) 5232 { 5233 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5234 5235 guard(mvm)(mvm); 5236 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5237 } 5238 5239 /* 5240 * This function executes the common part for MLD and non-MLD modes. 5241 * 5242 * Returns if chanctx unassign chanctx is done 5243 * (either on failure or success) 5244 */ 5245 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5246 struct ieee80211_vif *vif, 5247 bool switching_chanctx) 5248 { 5249 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5250 5251 lockdep_assert_held(&mvm->mutex); 5252 iwl_mvm_remove_time_event(mvm, mvmvif, 5253 &mvmvif->time_event_data); 5254 5255 switch (vif->type) { 5256 case NL80211_IFTYPE_ADHOC: 5257 return true; 5258 case NL80211_IFTYPE_MONITOR: 5259 mvmvif->monitor_active = false; 5260 mvmvif->ps_disabled = false; 5261 break; 5262 case NL80211_IFTYPE_AP: 5263 /* This part is triggered only during CSA */ 5264 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5265 return true; 5266 5267 mvmvif->csa_countdown = false; 5268 5269 /* Set CS bit on all the stations */ 5270 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5271 5272 /* Save blocked iface, the timeout is set on the next beacon */ 5273 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5274 5275 mvmvif->ap_ibss_active = false; 5276 break; 5277 default: 5278 break; 5279 } 5280 return false; 5281 } 5282 5283 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5284 struct ieee80211_vif *vif, 5285 struct ieee80211_bss_conf *link_conf, 5286 struct ieee80211_chanctx_conf *ctx, 5287 bool switching_chanctx) 5288 { 5289 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5290 struct ieee80211_vif *disabled_vif = NULL; 5291 5292 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5293 goto out; 5294 5295 if (vif->type == NL80211_IFTYPE_MONITOR) 5296 iwl_mvm_rm_snif_sta(mvm, vif); 5297 5298 5299 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5300 disabled_vif = vif; 5301 if (!fw_has_capa(&mvm->fw->ucode_capa, 5302 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5303 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5304 } 5305 5306 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5307 iwl_mvm_binding_remove_vif(mvm, vif); 5308 5309 out: 5310 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5311 switching_chanctx) 5312 return; 5313 mvmvif->deflink.phy_ctxt = NULL; 5314 iwl_mvm_power_update_mac(mvm); 5315 } 5316 5317 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5318 struct ieee80211_vif *vif, 5319 struct ieee80211_bss_conf *link_conf, 5320 struct ieee80211_chanctx_conf *ctx) 5321 { 5322 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5323 5324 guard(mvm)(mvm); 5325 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5326 } 5327 5328 static int 5329 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5330 struct ieee80211_vif_chanctx_switch *vifs, 5331 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5332 { 5333 int ret; 5334 5335 guard(mvm)(mvm); 5336 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5337 vifs[0].old_ctx, true); 5338 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5339 5340 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5341 if (ret) { 5342 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5343 goto out_reassign; 5344 } 5345 5346 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5347 vifs[0].new_ctx, true); 5348 if (ret) { 5349 IWL_ERR(mvm, 5350 "failed to assign new_ctx during channel switch\n"); 5351 goto out_remove; 5352 } 5353 5354 /* we don't support TDLS during DCM - can be caused by channel switch */ 5355 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5356 iwl_mvm_teardown_tdls_peers(mvm); 5357 5358 return 0; 5359 5360 out_remove: 5361 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5362 5363 out_reassign: 5364 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5365 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5366 goto out_restart; 5367 } 5368 5369 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5370 vifs[0].old_ctx, true)) { 5371 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5372 goto out_restart; 5373 } 5374 5375 return ret; 5376 5377 out_restart: 5378 /* things keep failing, better restart the hw */ 5379 iwl_mvm_nic_restart(mvm, false); 5380 return ret; 5381 } 5382 5383 static int 5384 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5385 struct ieee80211_vif_chanctx_switch *vifs, 5386 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5387 { 5388 int ret; 5389 5390 guard(mvm)(mvm); 5391 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5392 vifs[0].old_ctx, true); 5393 5394 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5395 vifs[0].new_ctx, true); 5396 if (ret) { 5397 IWL_ERR(mvm, 5398 "failed to assign new_ctx during channel switch\n"); 5399 goto out_reassign; 5400 } 5401 5402 return 0; 5403 5404 out_reassign: 5405 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5406 vifs[0].old_ctx, true)) { 5407 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5408 goto out_restart; 5409 } 5410 5411 return ret; 5412 5413 out_restart: 5414 /* things keep failing, better restart the hw */ 5415 iwl_mvm_nic_restart(mvm, false); 5416 return ret; 5417 } 5418 5419 /* Execute the common part for both MLD and non-MLD modes */ 5420 int 5421 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5422 struct ieee80211_vif_chanctx_switch *vifs, 5423 int n_vifs, 5424 enum ieee80211_chanctx_switch_mode mode, 5425 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5426 { 5427 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5428 int ret; 5429 5430 /* we only support a single-vif right now */ 5431 if (n_vifs > 1) 5432 return -EOPNOTSUPP; 5433 5434 switch (mode) { 5435 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5436 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5437 break; 5438 case CHANCTX_SWMODE_REASSIGN_VIF: 5439 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5440 break; 5441 default: 5442 ret = -EOPNOTSUPP; 5443 break; 5444 } 5445 5446 return ret; 5447 } 5448 5449 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5450 struct ieee80211_vif_chanctx_switch *vifs, 5451 int n_vifs, 5452 enum ieee80211_chanctx_switch_mode mode) 5453 { 5454 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5455 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5456 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5457 }; 5458 5459 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5460 } 5461 5462 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5463 { 5464 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5465 5466 return mvm->ibss_manager; 5467 } 5468 5469 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5470 bool set) 5471 { 5472 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5473 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5474 5475 if (!mvm_sta || !mvm_sta->vif) { 5476 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5477 return -EINVAL; 5478 } 5479 5480 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5481 &mvm_sta->vif->bss_conf); 5482 } 5483 5484 #ifdef CONFIG_NL80211_TESTMODE 5485 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5486 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5487 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5488 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5489 }; 5490 5491 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5492 struct ieee80211_vif *vif, 5493 void *data, int len) 5494 { 5495 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5496 int err; 5497 u32 noa_duration; 5498 5499 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5500 iwl_mvm_tm_policy, NULL); 5501 if (err) 5502 return err; 5503 5504 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5505 return -EINVAL; 5506 5507 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5508 case IWL_MVM_TM_CMD_SET_NOA: 5509 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5510 !vif->bss_conf.enable_beacon || 5511 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5512 return -EINVAL; 5513 5514 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5515 if (noa_duration >= vif->bss_conf.beacon_int) 5516 return -EINVAL; 5517 5518 mvm->noa_duration = noa_duration; 5519 mvm->noa_vif = vif; 5520 5521 return iwl_mvm_update_quotas(mvm, true, NULL); 5522 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5523 /* must be associated client vif - ignore authorized */ 5524 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5525 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5526 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5527 return -EINVAL; 5528 5529 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5530 return iwl_mvm_enable_beacon_filter(mvm, vif); 5531 return iwl_mvm_disable_beacon_filter(mvm, vif); 5532 } 5533 5534 return -EOPNOTSUPP; 5535 } 5536 5537 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5538 struct ieee80211_vif *vif, 5539 void *data, int len) 5540 { 5541 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5542 5543 guard(mvm)(mvm); 5544 return __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5545 } 5546 #endif 5547 5548 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5549 struct ieee80211_channel_switch *chsw) 5550 { 5551 /* By implementing this operation, we prevent mac80211 from 5552 * starting its own channel switch timer, so that we can call 5553 * ieee80211_chswitch_done() ourselves at the right time 5554 * (which is when the absence time event starts). 5555 */ 5556 5557 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5558 "dummy channel switch op\n"); 5559 } 5560 5561 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5562 struct ieee80211_vif *vif, 5563 struct ieee80211_channel_switch *chsw) 5564 { 5565 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5566 struct iwl_chan_switch_te_cmd cmd = { 5567 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5568 mvmvif->color)), 5569 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5570 .tsf = cpu_to_le32(chsw->timestamp), 5571 .cs_count = chsw->count, 5572 .cs_mode = chsw->block_tx, 5573 }; 5574 5575 lockdep_assert_held(&mvm->mutex); 5576 5577 if (chsw->delay) 5578 cmd.cs_delayed_bcn_count = 5579 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5580 5581 return iwl_mvm_send_cmd_pdu(mvm, 5582 WIDE_ID(MAC_CONF_GROUP, 5583 CHANNEL_SWITCH_TIME_EVENT_CMD), 5584 0, sizeof(cmd), &cmd); 5585 } 5586 5587 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5588 struct ieee80211_vif *vif, 5589 struct ieee80211_channel_switch *chsw) 5590 { 5591 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5592 u32 apply_time; 5593 5594 /* Schedule the time event to a bit before beacon 1, 5595 * to make sure we're in the new channel when the 5596 * GO/AP arrives. In case count <= 1 immediately schedule the 5597 * TE (this might result with some packet loss or connection 5598 * loss). 5599 */ 5600 if (chsw->count <= 1) 5601 apply_time = 0; 5602 else 5603 apply_time = chsw->device_timestamp + 5604 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5605 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5606 5607 if (chsw->block_tx) 5608 iwl_mvm_csa_client_absent(mvm, vif); 5609 5610 if (mvmvif->bf_enabled) { 5611 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5612 5613 if (ret) 5614 return ret; 5615 } 5616 5617 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5618 apply_time); 5619 5620 return 0; 5621 } 5622 5623 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5624 { 5625 int i; 5626 5627 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5628 struct iwl_mvm_txq *mvmtxq = 5629 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5630 5631 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5632 } 5633 } 5634 5635 #define IWL_MAX_CSA_BLOCK_TX 1500 5636 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5637 struct ieee80211_vif *vif, 5638 struct ieee80211_channel_switch *chsw) 5639 { 5640 struct ieee80211_vif *csa_vif; 5641 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5642 struct iwl_mvm_txq *mvmtxq; 5643 int ret; 5644 5645 lockdep_assert_held(&mvm->mutex); 5646 5647 mvmvif->csa_failed = false; 5648 mvmvif->csa_blocks_tx = false; 5649 5650 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5651 chsw->chandef.center_freq1); 5652 5653 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5654 ieee80211_vif_to_wdev(vif), 5655 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5656 5657 switch (vif->type) { 5658 case NL80211_IFTYPE_AP: 5659 csa_vif = 5660 rcu_dereference_protected(mvm->csa_vif, 5661 lockdep_is_held(&mvm->mutex)); 5662 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5663 "Another CSA is already in progress")) 5664 return -EBUSY; 5665 5666 /* we still didn't unblock tx. prevent new CS meanwhile */ 5667 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5668 lockdep_is_held(&mvm->mutex))) 5669 return -EBUSY; 5670 5671 rcu_assign_pointer(mvm->csa_vif, vif); 5672 5673 if (WARN_ONCE(mvmvif->csa_countdown, 5674 "Previous CSA countdown didn't complete")) 5675 return -EBUSY; 5676 5677 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5678 5679 if (!chsw->block_tx) 5680 break; 5681 /* don't need blocking in driver otherwise - mac80211 will do */ 5682 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5683 break; 5684 5685 mvmvif->csa_blocks_tx = true; 5686 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5687 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5688 ieee80211_iterate_stations_atomic(mvm->hw, 5689 iwl_mvm_csa_block_txqs, 5690 NULL); 5691 break; 5692 case NL80211_IFTYPE_STATION: 5693 mvmvif->csa_blocks_tx = chsw->block_tx; 5694 5695 /* 5696 * In the new flow FW is in charge of timing the switch so there 5697 * is no need for all of this 5698 */ 5699 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5700 CHANNEL_SWITCH_ERROR_NOTIF, 5701 0)) 5702 break; 5703 5704 /* 5705 * We haven't configured the firmware to be associated yet since 5706 * we don't know the dtim period. In this case, the firmware can't 5707 * track the beacons. 5708 */ 5709 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5710 return -EBUSY; 5711 5712 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5713 hweight16(vif->valid_links) <= 1) 5714 schedule_delayed_work(&mvmvif->csa_work, 0); 5715 5716 if (chsw->block_tx) { 5717 /* 5718 * In case of undetermined / long time with immediate 5719 * quiet monitor status to gracefully disconnect 5720 */ 5721 if (!chsw->count || 5722 chsw->count * vif->bss_conf.beacon_int > 5723 IWL_MAX_CSA_BLOCK_TX) 5724 schedule_delayed_work(&mvmvif->csa_work, 5725 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5726 } 5727 5728 if (!fw_has_capa(&mvm->fw->ucode_capa, 5729 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5730 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5731 if (ret) 5732 return ret; 5733 } else { 5734 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5735 } 5736 5737 mvmvif->csa_count = chsw->count; 5738 mvmvif->csa_misbehave = false; 5739 break; 5740 default: 5741 break; 5742 } 5743 5744 mvmvif->ps_disabled = true; 5745 5746 ret = iwl_mvm_power_update_ps(mvm); 5747 if (ret) 5748 return ret; 5749 5750 /* we won't be on this channel any longer */ 5751 iwl_mvm_teardown_tdls_peers(mvm); 5752 5753 return ret; 5754 } 5755 5756 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5757 struct ieee80211_vif *vif, 5758 struct ieee80211_channel_switch *chsw) 5759 { 5760 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5761 5762 guard(mvm)(mvm); 5763 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5764 } 5765 5766 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5767 struct ieee80211_vif *vif, 5768 struct ieee80211_channel_switch *chsw) 5769 { 5770 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5771 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5772 struct iwl_chan_switch_te_cmd cmd = { 5773 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5774 mvmvif->color)), 5775 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5776 .tsf = cpu_to_le32(chsw->timestamp), 5777 .cs_count = chsw->count, 5778 .cs_mode = chsw->block_tx, 5779 }; 5780 5781 /* 5782 * In the new flow FW is in charge of timing the switch so there is no 5783 * need for all of this 5784 */ 5785 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5786 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5787 return; 5788 5789 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5790 return; 5791 5792 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5793 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5794 5795 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5796 if (mvmvif->csa_misbehave) { 5797 struct ieee80211_bss_conf *link_conf; 5798 5799 /* Second time, give up on this AP*/ 5800 5801 link_conf = wiphy_dereference(hw->wiphy, 5802 vif->link_conf[chsw->link_id]); 5803 if (WARN_ON(!link_conf)) 5804 return; 5805 5806 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5807 ieee80211_chswitch_done(vif, false, 0); 5808 mvmvif->csa_misbehave = false; 5809 return; 5810 } 5811 mvmvif->csa_misbehave = true; 5812 } 5813 mvmvif->csa_count = chsw->count; 5814 5815 guard(mvm)(mvm); 5816 if (mvmvif->csa_failed) 5817 return; 5818 5819 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5820 WIDE_ID(MAC_CONF_GROUP, 5821 CHANNEL_SWITCH_TIME_EVENT_CMD), 5822 0, sizeof(cmd), &cmd)); 5823 } 5824 5825 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5826 { 5827 int i; 5828 5829 if (!iwl_mvm_has_new_tx_api(mvm)) { 5830 /* we can't ask the firmware anything if it is dead */ 5831 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5832 &mvm->status)) 5833 return; 5834 if (drop) { 5835 guard(mvm)(mvm); 5836 iwl_mvm_flush_tx_path(mvm, 5837 iwl_mvm_flushable_queues(mvm) & queues); 5838 } else { 5839 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5840 } 5841 return; 5842 } 5843 5844 guard(mvm)(mvm); 5845 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5846 struct ieee80211_sta *sta; 5847 5848 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5849 lockdep_is_held(&mvm->mutex)); 5850 if (IS_ERR_OR_NULL(sta)) 5851 continue; 5852 5853 if (drop) 5854 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5855 else 5856 iwl_mvm_wait_sta_queues_empty(mvm, 5857 iwl_mvm_sta_from_mac80211(sta)); 5858 } 5859 } 5860 5861 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5862 u32 queues, bool drop) 5863 { 5864 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5865 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5866 struct iwl_mvm_sta *mvmsta; 5867 struct ieee80211_sta *sta; 5868 bool ap_sta_done = false; 5869 int i; 5870 u32 msk = 0; 5871 5872 if (!vif) { 5873 iwl_mvm_flush_no_vif(mvm, queues, drop); 5874 return; 5875 } 5876 5877 if (!drop && hweight16(vif->active_links) <= 1) { 5878 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5879 struct ieee80211_bss_conf *link_conf; 5880 5881 link_conf = wiphy_dereference(hw->wiphy, 5882 vif->link_conf[link_id]); 5883 if (WARN_ON(!link_conf)) 5884 return; 5885 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5886 drop = true; 5887 } 5888 5889 /* Make sure we're done with the deferred traffic before flushing */ 5890 flush_work(&mvm->add_stream_wk); 5891 5892 mutex_lock(&mvm->mutex); 5893 5894 /* flush the AP-station and all TDLS peers */ 5895 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5896 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5897 lockdep_is_held(&mvm->mutex)); 5898 if (IS_ERR_OR_NULL(sta)) 5899 continue; 5900 5901 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5902 if (mvmsta->vif != vif) 5903 continue; 5904 5905 if (sta == mvmvif->ap_sta) { 5906 if (ap_sta_done) 5907 continue; 5908 ap_sta_done = true; 5909 } 5910 5911 if (drop) { 5912 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5913 mvmsta->tfd_queue_msk)) 5914 IWL_ERR(mvm, "flush request fail\n"); 5915 } else { 5916 if (iwl_mvm_has_new_tx_api(mvm)) 5917 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5918 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5919 msk |= mvmsta->tfd_queue_msk; 5920 } 5921 } 5922 5923 mutex_unlock(&mvm->mutex); 5924 5925 /* this can take a while, and we may need/want other operations 5926 * to succeed while doing this, so do it without the mutex held 5927 * If the firmware is dead, this can't work... 5928 */ 5929 if (!drop && !iwl_mvm_has_new_tx_api(mvm) && 5930 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5931 &mvm->status)) 5932 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5933 } 5934 5935 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5936 struct ieee80211_sta *sta) 5937 { 5938 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5939 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5940 struct iwl_mvm_link_sta *mvm_link_sta; 5941 struct ieee80211_link_sta *link_sta; 5942 int link_id; 5943 5944 guard(mvm)(mvm); 5945 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5946 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5947 lockdep_is_held(&mvm->mutex)); 5948 if (!mvm_link_sta) 5949 continue; 5950 5951 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5952 mvmsta->tfd_queue_msk)) 5953 IWL_ERR(mvm, "flush request fail\n"); 5954 } 5955 } 5956 5957 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5958 struct survey_info *survey) 5959 { 5960 int chan_idx; 5961 enum nl80211_band band; 5962 int ret; 5963 5964 mutex_lock(&mvm->mutex); 5965 5966 if (!mvm->acs_survey) { 5967 ret = -ENOENT; 5968 goto out; 5969 } 5970 5971 /* Find and return the next entry that has a non-zero active time */ 5972 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5973 struct ieee80211_supported_band *sband = 5974 mvm->hw->wiphy->bands[band]; 5975 5976 if (!sband) 5977 continue; 5978 5979 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5980 struct iwl_mvm_acs_survey_channel *info = 5981 &mvm->acs_survey->bands[band][chan_idx]; 5982 5983 if (!info->time) 5984 continue; 5985 5986 /* Found (the next) channel to report */ 5987 survey->channel = &sband->channels[chan_idx]; 5988 survey->filled = SURVEY_INFO_TIME | 5989 SURVEY_INFO_TIME_BUSY | 5990 SURVEY_INFO_TIME_RX | 5991 SURVEY_INFO_TIME_TX; 5992 survey->time = info->time; 5993 survey->time_busy = info->time_busy; 5994 survey->time_rx = info->time_rx; 5995 survey->time_tx = info->time_tx; 5996 survey->noise = info->noise; 5997 if (survey->noise < 0) 5998 survey->filled |= SURVEY_INFO_NOISE_DBM; 5999 6000 /* Clear time so that channel is only reported once */ 6001 info->time = 0; 6002 6003 ret = 0; 6004 goto out; 6005 } 6006 } 6007 6008 ret = -ENOENT; 6009 6010 out: 6011 mutex_unlock(&mvm->mutex); 6012 6013 return ret; 6014 } 6015 6016 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 6017 struct survey_info *survey) 6018 { 6019 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6020 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6021 WIDE_ID(SYSTEM_GROUP, 6022 SYSTEM_STATISTICS_CMD), 6023 IWL_FW_CMD_VER_UNKNOWN); 6024 6025 memset(survey, 0, sizeof(*survey)); 6026 6027 if (!fw_has_capa(&mvm->fw->ucode_capa, 6028 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6029 return -ENOENT; 6030 6031 /* 6032 * Return the beacon stats at index zero and pass on following indices 6033 * to the function returning the full survey, most likely for ACS 6034 * (Automatic Channel Selection). 6035 */ 6036 if (idx > 0) 6037 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6038 6039 guard(mvm)(mvm); 6040 6041 if (iwl_mvm_firmware_running(mvm)) { 6042 int ret = iwl_mvm_request_statistics(mvm, false); 6043 6044 if (ret) 6045 return ret; 6046 } 6047 6048 survey->filled = SURVEY_INFO_TIME_RX | 6049 SURVEY_INFO_TIME_TX; 6050 6051 survey->time_rx = mvm->accu_radio_stats.rx_time + 6052 mvm->radio_stats.rx_time; 6053 do_div(survey->time_rx, USEC_PER_MSEC); 6054 6055 survey->time_tx = mvm->accu_radio_stats.tx_time + 6056 mvm->radio_stats.tx_time; 6057 do_div(survey->time_tx, USEC_PER_MSEC); 6058 6059 /* the new fw api doesn't support the following fields */ 6060 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6061 return 0; 6062 6063 survey->filled |= SURVEY_INFO_TIME | 6064 SURVEY_INFO_TIME_SCAN; 6065 survey->time = mvm->accu_radio_stats.on_time_rf + 6066 mvm->radio_stats.on_time_rf; 6067 do_div(survey->time, USEC_PER_MSEC); 6068 6069 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6070 mvm->radio_stats.on_time_scan; 6071 do_div(survey->time_scan, USEC_PER_MSEC); 6072 6073 return 0; 6074 } 6075 6076 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6077 { 6078 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6079 u32 gi_ltf; 6080 6081 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6082 case RATE_MCS_CHAN_WIDTH_20: 6083 rinfo->bw = RATE_INFO_BW_20; 6084 break; 6085 case RATE_MCS_CHAN_WIDTH_40: 6086 rinfo->bw = RATE_INFO_BW_40; 6087 break; 6088 case RATE_MCS_CHAN_WIDTH_80: 6089 rinfo->bw = RATE_INFO_BW_80; 6090 break; 6091 case RATE_MCS_CHAN_WIDTH_160: 6092 rinfo->bw = RATE_INFO_BW_160; 6093 break; 6094 case RATE_MCS_CHAN_WIDTH_320: 6095 rinfo->bw = RATE_INFO_BW_320; 6096 break; 6097 } 6098 6099 if (format == RATE_MCS_CCK_MSK || 6100 format == RATE_MCS_LEGACY_OFDM_MSK) { 6101 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6102 6103 /* add the offset needed to get to the legacy ofdm indices */ 6104 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6105 rate += IWL_FIRST_OFDM_RATE; 6106 6107 switch (rate) { 6108 case IWL_RATE_1M_INDEX: 6109 rinfo->legacy = 10; 6110 break; 6111 case IWL_RATE_2M_INDEX: 6112 rinfo->legacy = 20; 6113 break; 6114 case IWL_RATE_5M_INDEX: 6115 rinfo->legacy = 55; 6116 break; 6117 case IWL_RATE_11M_INDEX: 6118 rinfo->legacy = 110; 6119 break; 6120 case IWL_RATE_6M_INDEX: 6121 rinfo->legacy = 60; 6122 break; 6123 case IWL_RATE_9M_INDEX: 6124 rinfo->legacy = 90; 6125 break; 6126 case IWL_RATE_12M_INDEX: 6127 rinfo->legacy = 120; 6128 break; 6129 case IWL_RATE_18M_INDEX: 6130 rinfo->legacy = 180; 6131 break; 6132 case IWL_RATE_24M_INDEX: 6133 rinfo->legacy = 240; 6134 break; 6135 case IWL_RATE_36M_INDEX: 6136 rinfo->legacy = 360; 6137 break; 6138 case IWL_RATE_48M_INDEX: 6139 rinfo->legacy = 480; 6140 break; 6141 case IWL_RATE_54M_INDEX: 6142 rinfo->legacy = 540; 6143 } 6144 return; 6145 } 6146 6147 rinfo->nss = u32_get_bits(rate_n_flags, 6148 RATE_MCS_NSS_MSK) + 1; 6149 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6150 RATE_HT_MCS_INDEX(rate_n_flags) : 6151 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6152 6153 if (rate_n_flags & RATE_MCS_SGI_MSK) 6154 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6155 6156 switch (format) { 6157 case RATE_MCS_EHT_MSK: 6158 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6159 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6160 break; 6161 case RATE_MCS_HE_MSK: 6162 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6163 6164 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6165 6166 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6167 rinfo->bw = RATE_INFO_BW_HE_RU; 6168 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6169 } 6170 6171 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6172 case RATE_MCS_HE_TYPE_SU: 6173 case RATE_MCS_HE_TYPE_EXT_SU: 6174 if (gi_ltf == 0 || gi_ltf == 1) 6175 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6176 else if (gi_ltf == 2) 6177 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6178 else if (gi_ltf == 3) 6179 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6180 else 6181 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6182 break; 6183 case RATE_MCS_HE_TYPE_MU: 6184 if (gi_ltf == 0 || gi_ltf == 1) 6185 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6186 else if (gi_ltf == 2) 6187 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6188 else 6189 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6190 break; 6191 case RATE_MCS_HE_TYPE_TRIG: 6192 if (gi_ltf == 0 || gi_ltf == 1) 6193 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6194 else 6195 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6196 break; 6197 } 6198 6199 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6200 rinfo->he_dcm = 1; 6201 break; 6202 case RATE_MCS_HT_MSK: 6203 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6204 break; 6205 case RATE_MCS_VHT_MSK: 6206 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6207 break; 6208 } 6209 } 6210 6211 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6212 struct ieee80211_vif *vif, 6213 struct ieee80211_sta *sta, 6214 struct station_info *sinfo) 6215 { 6216 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6217 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6218 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6219 int i; 6220 6221 if (mvmsta->deflink.avg_energy) { 6222 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6223 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6224 } 6225 6226 if (iwl_mvm_has_tlc_offload(mvm)) { 6227 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6228 6229 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6230 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6231 } 6232 6233 /* if beacon filtering isn't on mac80211 does it anyway */ 6234 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6235 return; 6236 6237 if (!vif->cfg.assoc) 6238 return; 6239 6240 guard(mvm)(mvm); 6241 6242 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6243 return; 6244 6245 if (iwl_mvm_request_statistics(mvm, false)) 6246 return; 6247 6248 sinfo->rx_beacon = 0; 6249 for_each_mvm_vif_valid_link(mvmvif, i) 6250 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6251 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6252 6253 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6254 if (mvmvif->deflink.beacon_stats.avg_signal) { 6255 /* firmware only reports a value after RXing a few beacons */ 6256 sinfo->rx_beacon_signal_avg = 6257 mvmvif->deflink.beacon_stats.avg_signal; 6258 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6259 } 6260 } 6261 6262 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6263 struct ieee80211_vif *vif, 6264 const struct ieee80211_mlme_event *mlme) 6265 { 6266 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6267 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6268 iwl_dbg_tlv_time_point(&mvm->fwrt, 6269 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6270 NULL); 6271 return; 6272 } 6273 6274 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6275 iwl_dbg_tlv_time_point(&mvm->fwrt, 6276 IWL_FW_INI_TIME_POINT_DEASSOC, 6277 NULL); 6278 return; 6279 } 6280 } 6281 6282 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6283 struct ieee80211_vif *vif, 6284 const struct ieee80211_event *event) 6285 { 6286 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6287 do { \ 6288 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6289 break; \ 6290 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6291 } while (0) 6292 6293 struct iwl_fw_dbg_trigger_tlv *trig; 6294 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6295 6296 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6297 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6298 return; 6299 } 6300 6301 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6302 FW_DBG_TRIGGER_MLME); 6303 if (!trig) 6304 return; 6305 6306 trig_mlme = (void *)trig->data; 6307 6308 if (event->u.mlme.data == ASSOC_EVENT) { 6309 if (event->u.mlme.status == MLME_DENIED) 6310 CHECK_MLME_TRIGGER(stop_assoc_denied, 6311 "DENIED ASSOC: reason %d", 6312 event->u.mlme.reason); 6313 else if (event->u.mlme.status == MLME_TIMEOUT) 6314 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6315 "ASSOC TIMEOUT"); 6316 } else if (event->u.mlme.data == AUTH_EVENT) { 6317 if (event->u.mlme.status == MLME_DENIED) 6318 CHECK_MLME_TRIGGER(stop_auth_denied, 6319 "DENIED AUTH: reason %d", 6320 event->u.mlme.reason); 6321 else if (event->u.mlme.status == MLME_TIMEOUT) 6322 CHECK_MLME_TRIGGER(stop_auth_timeout, 6323 "AUTH TIMEOUT"); 6324 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6325 CHECK_MLME_TRIGGER(stop_rx_deauth, 6326 "DEAUTH RX %d", event->u.mlme.reason); 6327 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6328 CHECK_MLME_TRIGGER(stop_tx_deauth, 6329 "DEAUTH TX %d", event->u.mlme.reason); 6330 } 6331 #undef CHECK_MLME_TRIGGER 6332 } 6333 6334 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6335 struct ieee80211_vif *vif, 6336 const struct ieee80211_event *event) 6337 { 6338 struct iwl_fw_dbg_trigger_tlv *trig; 6339 struct iwl_fw_dbg_trigger_ba *ba_trig; 6340 6341 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6342 FW_DBG_TRIGGER_BA); 6343 if (!trig) 6344 return; 6345 6346 ba_trig = (void *)trig->data; 6347 6348 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6349 return; 6350 6351 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6352 "BAR received from %pM, tid %d, ssn %d", 6353 event->u.ba.sta->addr, event->u.ba.tid, 6354 event->u.ba.ssn); 6355 } 6356 6357 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6358 struct ieee80211_vif *vif, 6359 const struct ieee80211_event *event) 6360 { 6361 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6362 6363 switch (event->type) { 6364 case MLME_EVENT: 6365 iwl_mvm_event_mlme_callback(mvm, vif, event); 6366 break; 6367 case BAR_RX_EVENT: 6368 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6369 break; 6370 case BA_FRAME_TIMEOUT: 6371 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6372 event->u.ba.tid); 6373 break; 6374 default: 6375 break; 6376 } 6377 } 6378 6379 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6380 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6381 enum iwl_mvm_rxq_notif_type type, 6382 bool sync, 6383 const void *data, u32 size) 6384 { 6385 struct { 6386 struct iwl_rxq_sync_cmd cmd; 6387 struct iwl_mvm_internal_rxq_notif notif; 6388 } __packed cmd = { 6389 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6390 .cmd.count = 6391 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6392 size), 6393 .notif.type = type, 6394 .notif.sync = sync, 6395 }; 6396 struct iwl_host_cmd hcmd = { 6397 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6398 .data[0] = &cmd, 6399 .len[0] = sizeof(cmd), 6400 .data[1] = data, 6401 .len[1] = size, 6402 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6403 }; 6404 int ret; 6405 6406 /* size must be a multiple of DWORD */ 6407 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6408 return; 6409 6410 if (!iwl_mvm_has_new_rx_api(mvm)) 6411 return; 6412 6413 if (sync) { 6414 cmd.notif.cookie = mvm->queue_sync_cookie; 6415 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6416 } 6417 6418 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6419 if (ret) { 6420 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6421 goto out; 6422 } 6423 6424 if (sync) { 6425 lockdep_assert_held(&mvm->mutex); 6426 ret = wait_event_timeout(mvm->rx_sync_waitq, 6427 READ_ONCE(mvm->queue_sync_state) == 0, 6428 SYNC_RX_QUEUE_TIMEOUT); 6429 WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6430 mvm->queue_sync_state, 6431 mvm->queue_sync_cookie); 6432 } 6433 6434 out: 6435 if (sync) { 6436 mvm->queue_sync_state = 0; 6437 mvm->queue_sync_cookie++; 6438 } 6439 } 6440 6441 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6442 { 6443 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6444 6445 guard(mvm)(mvm); 6446 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6447 } 6448 6449 int 6450 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6451 struct ieee80211_vif *vif, 6452 struct cfg80211_ftm_responder_stats *stats) 6453 { 6454 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6455 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6456 6457 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6458 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6459 return -EINVAL; 6460 6461 mutex_lock(&mvm->mutex); 6462 *stats = mvm->ftm_resp_stats; 6463 mutex_unlock(&mvm->mutex); 6464 6465 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6466 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6467 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6468 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6469 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6470 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6471 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6472 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6473 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6474 6475 return 0; 6476 } 6477 6478 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6479 struct cfg80211_pmsr_request *request) 6480 { 6481 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6482 6483 guard(mvm)(mvm); 6484 return iwl_mvm_ftm_start(mvm, vif, request); 6485 } 6486 6487 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6488 struct cfg80211_pmsr_request *request) 6489 { 6490 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6491 6492 guard(mvm)(mvm); 6493 iwl_mvm_ftm_abort(mvm, request); 6494 } 6495 6496 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6497 { 6498 u8 protocol = ip_hdr(skb)->protocol; 6499 6500 if (!IS_ENABLED(CONFIG_INET)) 6501 return false; 6502 6503 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6504 } 6505 6506 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6507 struct sk_buff *head, 6508 struct sk_buff *skb) 6509 { 6510 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6511 6512 /* For now don't aggregate IPv6 in AMSDU */ 6513 if (skb->protocol != htons(ETH_P_IP)) 6514 return false; 6515 6516 if (!iwl_mvm_is_csum_supported(mvm)) 6517 return true; 6518 6519 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6520 } 6521 6522 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6523 struct ieee80211_vif *vif, 6524 struct cfg80211_set_hw_timestamp *hwts) 6525 { 6526 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6527 u32 protocols = 0; 6528 6529 /* HW timestamping is only supported for a specific station */ 6530 if (!hwts->macaddr) 6531 return -EOPNOTSUPP; 6532 6533 if (hwts->enable) 6534 protocols = 6535 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6536 6537 guard(mvm)(mvm); 6538 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6539 } 6540 6541 const struct ieee80211_ops iwl_mvm_hw_ops = { 6542 .tx = iwl_mvm_mac_tx, 6543 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6544 .ampdu_action = iwl_mvm_mac_ampdu_action, 6545 .get_antenna = iwl_mvm_op_get_antenna, 6546 .set_antenna = iwl_mvm_op_set_antenna, 6547 .start = iwl_mvm_mac_start, 6548 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6549 .stop = iwl_mvm_mac_stop, 6550 .add_interface = iwl_mvm_mac_add_interface, 6551 .remove_interface = iwl_mvm_mac_remove_interface, 6552 .config = iwl_mvm_mac_config, 6553 .prepare_multicast = iwl_mvm_prepare_multicast, 6554 .configure_filter = iwl_mvm_configure_filter, 6555 .config_iface_filter = iwl_mvm_config_iface_filter, 6556 .bss_info_changed = iwl_mvm_bss_info_changed, 6557 .hw_scan = iwl_mvm_mac_hw_scan, 6558 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6559 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6560 .sta_state = iwl_mvm_mac_sta_state, 6561 .sta_notify = iwl_mvm_mac_sta_notify, 6562 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6563 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6564 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6565 .sta_rc_update = iwl_mvm_sta_rc_update, 6566 .conf_tx = iwl_mvm_mac_conf_tx, 6567 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6568 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6569 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6570 .flush = iwl_mvm_mac_flush, 6571 .flush_sta = iwl_mvm_mac_flush_sta, 6572 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6573 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6574 .set_key = iwl_mvm_mac_set_key, 6575 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6576 .remain_on_channel = iwl_mvm_roc, 6577 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6578 .add_chanctx = iwl_mvm_add_chanctx, 6579 .remove_chanctx = iwl_mvm_remove_chanctx, 6580 .change_chanctx = iwl_mvm_change_chanctx, 6581 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6582 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6583 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6584 6585 .start_ap = iwl_mvm_start_ap, 6586 .stop_ap = iwl_mvm_stop_ap, 6587 .join_ibss = iwl_mvm_start_ibss, 6588 .leave_ibss = iwl_mvm_stop_ibss, 6589 6590 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6591 6592 .set_tim = iwl_mvm_set_tim, 6593 6594 .channel_switch = iwl_mvm_channel_switch, 6595 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6596 .post_channel_switch = iwl_mvm_post_channel_switch, 6597 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6598 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6599 6600 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6601 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6602 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6603 6604 .event_callback = iwl_mvm_mac_event_callback, 6605 6606 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6607 6608 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6609 6610 #ifdef CONFIG_PM_SLEEP 6611 /* look at d3.c */ 6612 .suspend = iwl_mvm_suspend, 6613 .resume = iwl_mvm_resume, 6614 .set_wakeup = iwl_mvm_set_wakeup, 6615 .set_rekey_data = iwl_mvm_set_rekey_data, 6616 #if IS_ENABLED(CONFIG_IPV6) 6617 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6618 #endif 6619 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6620 #endif 6621 .get_survey = iwl_mvm_mac_get_survey, 6622 .sta_statistics = iwl_mvm_mac_sta_statistics, 6623 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6624 .start_pmsr = iwl_mvm_start_pmsr, 6625 .abort_pmsr = iwl_mvm_abort_pmsr, 6626 6627 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6628 #ifdef CONFIG_IWLWIFI_DEBUGFS 6629 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6630 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6631 #endif 6632 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6633 }; 6634