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-eeprom-parse.h" 26 #include "iwl-phy-db.h" 27 #include "testmode.h" 28 #include "fw/error-dump.h" 29 #include "iwl-prph.h" 30 #include "iwl-nvm-parse.h" 31 #include "time-sync.h" 32 33 static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 34 { 35 .max = 1, 36 .types = BIT(NL80211_IFTYPE_STATION), 37 }, 38 { 39 .max = 1, 40 .types = BIT(NL80211_IFTYPE_AP) | 41 BIT(NL80211_IFTYPE_P2P_CLIENT) | 42 BIT(NL80211_IFTYPE_P2P_GO), 43 }, 44 { 45 .max = 1, 46 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), 47 }, 48 }; 49 50 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 51 { 52 .num_different_channels = 2, 53 .max_interfaces = 3, 54 .limits = iwl_mvm_limits, 55 .n_limits = ARRAY_SIZE(iwl_mvm_limits), 56 }, 57 }; 58 59 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 60 .max_peers = IWL_MVM_TOF_MAX_APS, 61 .report_ap_tsf = 1, 62 .randomize_mac_addr = 1, 63 64 .ftm = { 65 .supported = 1, 66 .asap = 1, 67 .non_asap = 1, 68 .request_lci = 1, 69 .request_civicloc = 1, 70 .trigger_based = 1, 71 .non_trigger_based = 1, 72 .max_bursts_exponent = -1, /* all supported */ 73 .max_ftms_per_burst = 0, /* no limits */ 74 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 75 BIT(NL80211_CHAN_WIDTH_20) | 76 BIT(NL80211_CHAN_WIDTH_40) | 77 BIT(NL80211_CHAN_WIDTH_80) | 78 BIT(NL80211_CHAN_WIDTH_160), 79 .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 80 BIT(NL80211_PREAMBLE_HT) | 81 BIT(NL80211_PREAMBLE_VHT) | 82 BIT(NL80211_PREAMBLE_HE), 83 }, 84 }; 85 86 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 87 enum set_key_cmd cmd, 88 struct ieee80211_vif *vif, 89 struct ieee80211_sta *sta, 90 struct ieee80211_key_conf *key); 91 92 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 93 { 94 int i; 95 96 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 97 for (i = 0; i < NUM_PHY_CTX; i++) { 98 mvm->phy_ctxts[i].id = i; 99 mvm->phy_ctxts[i].ref = 0; 100 } 101 } 102 103 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 104 const char *alpha2, 105 enum iwl_mcc_source src_id, 106 bool *changed) 107 { 108 struct ieee80211_regdomain *regd = NULL; 109 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 110 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 111 struct iwl_mcc_update_resp_v8 *resp; 112 u8 resp_ver; 113 114 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 115 116 lockdep_assert_held(&mvm->mutex); 117 118 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 119 if (IS_ERR_OR_NULL(resp)) { 120 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 121 PTR_ERR_OR_ZERO(resp)); 122 resp = NULL; 123 goto out; 124 } 125 126 if (changed) { 127 u32 status = le32_to_cpu(resp->status); 128 129 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 130 status == MCC_RESP_ILLEGAL); 131 } 132 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 133 MCC_UPDATE_CMD, 0); 134 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 135 136 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 137 __le32_to_cpu(resp->n_channels), 138 resp->channels, 139 __le16_to_cpu(resp->mcc), 140 __le16_to_cpu(resp->geo_info), 141 le32_to_cpu(resp->cap), resp_ver, 142 mvm->fwrt.uats_enabled); 143 /* Store the return source id */ 144 src_id = resp->source_id; 145 if (IS_ERR_OR_NULL(regd)) { 146 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 147 PTR_ERR_OR_ZERO(regd)); 148 goto out; 149 } 150 151 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 152 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 153 mvm->lar_regdom_set = true; 154 mvm->mcc_src = src_id; 155 156 /* Some kind of regulatory mess means we need to currently disallow 157 * puncturing in the US and Canada. Do that here, at least until we 158 * figure out the new chanctx APIs for puncturing. 159 */ 160 if (resp->mcc == cpu_to_le16(IWL_MCC_US) || 161 resp->mcc == cpu_to_le16(IWL_MCC_CANADA)) 162 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 163 else 164 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 165 166 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 167 168 out: 169 kfree(resp); 170 return regd; 171 } 172 173 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 174 { 175 bool changed; 176 struct ieee80211_regdomain *regd; 177 178 if (!iwl_mvm_is_lar_supported(mvm)) 179 return; 180 181 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 182 if (!IS_ERR_OR_NULL(regd)) { 183 /* only update the regulatory core if changed */ 184 if (changed) 185 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 186 187 kfree(regd); 188 } 189 } 190 191 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 192 bool *changed) 193 { 194 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 195 iwl_mvm_is_wifi_mcc_supported(mvm) ? 196 MCC_SOURCE_GET_CURRENT : 197 MCC_SOURCE_OLD_FW, changed); 198 } 199 200 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 201 { 202 enum iwl_mcc_source used_src; 203 struct ieee80211_regdomain *regd; 204 int ret; 205 bool changed; 206 const struct ieee80211_regdomain *r = 207 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 208 209 if (!r) 210 return -ENOENT; 211 212 /* save the last source in case we overwrite it below */ 213 used_src = mvm->mcc_src; 214 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 215 /* Notify the firmware we support wifi location updates */ 216 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 217 if (!IS_ERR_OR_NULL(regd)) 218 kfree(regd); 219 } 220 221 /* Now set our last stored MCC and source */ 222 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 223 &changed); 224 if (IS_ERR_OR_NULL(regd)) 225 return -EIO; 226 227 /* update cfg80211 if the regdomain was changed or the caller explicitly 228 * asked to update regdomain 229 */ 230 if (changed || force_regd_sync) 231 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 232 else 233 ret = 0; 234 235 kfree(regd); 236 return ret; 237 } 238 239 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 240 static const u8 he_if_types_ext_capa_sta[] = { 241 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 242 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 243 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 244 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 245 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 246 }; 247 248 static const u8 tm_if_types_ext_capa_sta[] = { 249 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 250 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 251 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 252 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 253 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 254 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 255 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 256 }; 257 258 /* Additional interface types for which extended capabilities are 259 * specified separately 260 */ 261 262 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 263 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 264 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 265 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 266 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 267 #define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \ 268 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 269 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) 270 271 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 272 { 273 .iftype = NL80211_IFTYPE_STATION, 274 .extended_capabilities = he_if_types_ext_capa_sta, 275 .extended_capabilities_mask = he_if_types_ext_capa_sta, 276 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 277 /* relevant only if EHT is supported */ 278 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 279 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 280 }, 281 { 282 .iftype = NL80211_IFTYPE_STATION, 283 .extended_capabilities = tm_if_types_ext_capa_sta, 284 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 285 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 286 /* relevant only if EHT is supported */ 287 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 288 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 289 }, 290 }; 291 292 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 293 { 294 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 295 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 296 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 297 return 0; 298 } 299 300 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 301 { 302 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 303 304 /* This has been tested on those devices only */ 305 if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 306 mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000) 307 return -EOPNOTSUPP; 308 309 if (!mvm->nvm_data) 310 return -EBUSY; 311 312 /* mac80211 ensures the device is not started, 313 * so the firmware cannot be running 314 */ 315 316 mvm->set_tx_ant = tx_ant; 317 mvm->set_rx_ant = rx_ant; 318 319 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 320 321 return 0; 322 } 323 324 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 325 { 326 struct ieee80211_hw *hw = mvm->hw; 327 int num_mac, ret, i; 328 static const u32 mvm_ciphers[] = { 329 WLAN_CIPHER_SUITE_WEP40, 330 WLAN_CIPHER_SUITE_WEP104, 331 WLAN_CIPHER_SUITE_TKIP, 332 WLAN_CIPHER_SUITE_CCMP, 333 }; 334 #ifdef CONFIG_PM_SLEEP 335 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 336 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 337 #endif 338 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 339 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 340 341 /* Tell mac80211 our characteristics */ 342 ieee80211_hw_set(hw, SIGNAL_DBM); 343 ieee80211_hw_set(hw, SPECTRUM_MGMT); 344 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 345 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 346 ieee80211_hw_set(hw, SUPPORTS_PS); 347 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 348 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 349 ieee80211_hw_set(hw, CONNECTION_MONITOR); 350 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 351 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 352 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 353 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 354 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 355 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 356 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 357 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 358 359 /* Set this early since we need to have it for the check below */ 360 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 361 !iwlwifi_mod_params.disable_11ax && 362 !iwlwifi_mod_params.disable_11be) { 363 hw->wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT; 364 /* we handle this already earlier, but need it for MLO */ 365 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 366 } 367 368 /* With MLD FW API, it tracks timing by itself, 369 * no need for any timing from the host 370 */ 371 if (!mvm->mld_api_is_used) 372 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 373 374 /* We should probably have this, but mac80211 375 * currently doesn't support it for MLO. 376 */ 377 if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) 378 ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 379 380 /* 381 * On older devices, enabling TX A-MSDU occasionally leads to 382 * something getting messed up, the command read from the FIFO 383 * gets out of sync and isn't a TX command, so that we have an 384 * assert EDC. 385 * 386 * It's not clear where the bug is, but since we didn't used to 387 * support A-MSDU until moving the mac80211 iTXQs, just leave it 388 * for older devices. We also don't see this issue on any newer 389 * devices. 390 */ 391 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 392 ieee80211_hw_set(hw, TX_AMSDU); 393 ieee80211_hw_set(hw, TX_FRAG_LIST); 394 395 if (iwl_mvm_has_tlc_offload(mvm)) { 396 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 397 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 398 } 399 400 /* We want to use the mac80211's reorder buffer for 9000 */ 401 if (iwl_mvm_has_new_rx_api(mvm) && 402 mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000) 403 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 404 405 if (fw_has_capa(&mvm->fw->ucode_capa, 406 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 407 ieee80211_hw_set(hw, AP_LINK_PS); 408 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 409 /* 410 * we absolutely need this for the new TX API since that comes 411 * with many more queues than the current code can deal with 412 * for station powersave 413 */ 414 return -EINVAL; 415 } 416 417 if (mvm->trans->num_rx_queues > 1) 418 ieee80211_hw_set(hw, USES_RSS); 419 420 if (mvm->trans->max_skb_frags) 421 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 422 423 hw->queues = IEEE80211_NUM_ACS; 424 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 425 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 426 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 427 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 428 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 429 430 hw->radiotap_timestamp.units_pos = 431 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 432 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 433 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 434 hw->radiotap_timestamp.accuracy = 22; 435 436 if (!iwl_mvm_has_tlc_offload(mvm)) 437 hw->rate_control_algorithm = RS_NAME; 438 439 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 440 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 441 hw->max_tx_fragments = mvm->trans->max_skb_frags; 442 443 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 444 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 445 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 446 hw->wiphy->cipher_suites = mvm->ciphers; 447 448 if (iwl_mvm_has_new_rx_api(mvm)) { 449 mvm->ciphers[hw->wiphy->n_cipher_suites] = 450 WLAN_CIPHER_SUITE_GCMP; 451 hw->wiphy->n_cipher_suites++; 452 mvm->ciphers[hw->wiphy->n_cipher_suites] = 453 WLAN_CIPHER_SUITE_GCMP_256; 454 hw->wiphy->n_cipher_suites++; 455 } 456 457 if (iwlwifi_mod_params.swcrypto) 458 IWL_ERR(mvm, 459 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 460 if (!iwlwifi_mod_params.bt_coex_active) 461 IWL_ERR(mvm, 462 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 463 464 ieee80211_hw_set(hw, MFP_CAPABLE); 465 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 466 hw->wiphy->n_cipher_suites++; 467 if (iwl_mvm_has_new_rx_api(mvm)) { 468 mvm->ciphers[hw->wiphy->n_cipher_suites] = 469 WLAN_CIPHER_SUITE_BIP_GMAC_128; 470 hw->wiphy->n_cipher_suites++; 471 mvm->ciphers[hw->wiphy->n_cipher_suites] = 472 WLAN_CIPHER_SUITE_BIP_GMAC_256; 473 hw->wiphy->n_cipher_suites++; 474 } 475 476 wiphy_ext_feature_set(hw->wiphy, 477 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 478 wiphy_ext_feature_set(hw->wiphy, 479 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 480 481 if (fw_has_capa(&mvm->fw->ucode_capa, 482 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 483 wiphy_ext_feature_set(hw->wiphy, 484 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 485 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 486 } 487 488 if (sec_key_ver && 489 fw_has_capa(&mvm->fw->ucode_capa, 490 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 491 wiphy_ext_feature_set(hw->wiphy, 492 NL80211_EXT_FEATURE_BEACON_PROTECTION); 493 else if (fw_has_capa(&mvm->fw->ucode_capa, 494 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 495 wiphy_ext_feature_set(hw->wiphy, 496 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 497 498 if (fw_has_capa(&mvm->fw->ucode_capa, 499 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 500 hw->wiphy->hw_timestamp_max_peers = 1; 501 502 if (fw_has_capa(&mvm->fw->ucode_capa, 503 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 504 wiphy_ext_feature_set(hw->wiphy, 505 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 506 507 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 508 hw->wiphy->features |= 509 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 510 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 511 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 512 513 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 514 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 515 hw->chanctx_data_size = sizeof(u16); 516 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 517 518 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 519 BIT(NL80211_IFTYPE_P2P_CLIENT) | 520 BIT(NL80211_IFTYPE_AP) | 521 BIT(NL80211_IFTYPE_P2P_GO) | 522 BIT(NL80211_IFTYPE_P2P_DEVICE) | 523 BIT(NL80211_IFTYPE_ADHOC); 524 525 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 526 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 527 528 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 529 * the hw, preventing us to control which key(id) to use per MPDU. 530 * Till that's fixed we can't use Extended Key ID for the newer cards. 531 */ 532 if (!iwl_mvm_has_new_tx_api(mvm)) 533 wiphy_ext_feature_set(hw->wiphy, 534 NL80211_EXT_FEATURE_EXT_KEY_ID); 535 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 536 537 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 538 if (iwl_mvm_is_lar_supported(mvm)) 539 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 540 else 541 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 542 REGULATORY_DISABLE_BEACON_HINTS; 543 544 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 545 wiphy_ext_feature_set(hw->wiphy, 546 NL80211_EXT_FEATURE_DFS_CONCURRENT); 547 548 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 549 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 550 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 551 552 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 553 hw->wiphy->n_iface_combinations = 554 ARRAY_SIZE(iwl_mvm_iface_combinations); 555 556 hw->wiphy->max_remain_on_channel_duration = 10000; 557 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 558 559 /* Extract MAC address */ 560 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 561 hw->wiphy->addresses = mvm->addresses; 562 hw->wiphy->n_addresses = 1; 563 564 /* Extract additional MAC addresses if available */ 565 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 566 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 567 568 for (i = 1; i < num_mac; i++) { 569 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 570 ETH_ALEN); 571 mvm->addresses[i].addr[5]++; 572 hw->wiphy->n_addresses++; 573 } 574 575 iwl_mvm_reset_phy_ctxts(mvm); 576 577 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 578 579 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 580 581 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 582 BUILD_BUG_ON(IWL_MVM_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 583 IWL_MVM_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 584 585 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 586 mvm->max_scans = IWL_MVM_MAX_UMAC_SCANS; 587 else 588 mvm->max_scans = IWL_MVM_MAX_LMAC_SCANS; 589 590 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 591 hw->wiphy->bands[NL80211_BAND_2GHZ] = 592 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 593 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 594 hw->wiphy->bands[NL80211_BAND_5GHZ] = 595 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 596 597 if (fw_has_capa(&mvm->fw->ucode_capa, 598 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 599 fw_has_api(&mvm->fw->ucode_capa, 600 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 601 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 602 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 603 } 604 if (fw_has_capa(&mvm->fw->ucode_capa, 605 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 606 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 607 hw->wiphy->bands[NL80211_BAND_6GHZ] = 608 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 609 610 hw->wiphy->hw_version = mvm->trans->hw_id; 611 612 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 613 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 614 else 615 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 616 617 hw->wiphy->max_sched_scan_reqs = 1; 618 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 619 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 620 /* we create the 802.11 header and zero length SSID IE. */ 621 hw->wiphy->max_sched_scan_ie_len = 622 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 623 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 624 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 625 626 /* 627 * the firmware uses u8 for num of iterations, but 0xff is saved for 628 * infinite loop, so the maximum number of iterations is actually 254. 629 */ 630 hw->wiphy->max_sched_scan_plan_iterations = 254; 631 632 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 633 NL80211_FEATURE_LOW_PRIORITY_SCAN | 634 NL80211_FEATURE_P2P_GO_OPPPS | 635 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 636 NL80211_FEATURE_DYNAMIC_SMPS | 637 NL80211_FEATURE_STATIC_SMPS | 638 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 639 640 if (fw_has_capa(&mvm->fw->ucode_capa, 641 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 642 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 643 if (fw_has_capa(&mvm->fw->ucode_capa, 644 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 645 hw->wiphy->features |= NL80211_FEATURE_QUIET; 646 647 if (fw_has_capa(&mvm->fw->ucode_capa, 648 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 649 hw->wiphy->features |= 650 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 651 652 if (fw_has_capa(&mvm->fw->ucode_capa, 653 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 654 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 655 656 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 657 IWL_FW_CMD_VER_UNKNOWN) == 3) 658 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 659 660 if (fw_has_api(&mvm->fw->ucode_capa, 661 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 662 wiphy_ext_feature_set(hw->wiphy, 663 NL80211_EXT_FEATURE_SCAN_START_TIME); 664 wiphy_ext_feature_set(hw->wiphy, 665 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 666 } 667 668 if (iwl_mvm_is_oce_supported(mvm)) { 669 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 670 671 wiphy_ext_feature_set(hw->wiphy, 672 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 673 wiphy_ext_feature_set(hw->wiphy, 674 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 675 wiphy_ext_feature_set(hw->wiphy, 676 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 677 678 /* Old firmware also supports probe deferral and suppression */ 679 if (scan_ver < 15) 680 wiphy_ext_feature_set(hw->wiphy, 681 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 682 } 683 684 hw->wiphy->iftype_ext_capab = NULL; 685 hw->wiphy->num_iftype_ext_capab = 0; 686 687 if (mvm->nvm_data->sku_cap_11ax_enable && 688 !iwlwifi_mod_params.disable_11ax) { 689 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 690 hw->wiphy->num_iftype_ext_capab = 691 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 692 693 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 694 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 695 } 696 697 if (iwl_fw_lookup_cmd_ver(mvm->fw, 698 WIDE_ID(DATA_PATH_GROUP, 699 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 700 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 701 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 702 703 if (!hw->wiphy->iftype_ext_capab) { 704 hw->wiphy->num_iftype_ext_capab = 1; 705 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 706 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 707 } else { 708 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 709 } 710 } 711 712 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 713 TOF_RANGE_REQ_CMD), 714 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 715 wiphy_ext_feature_set(hw->wiphy, 716 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 717 718 if (fw_has_capa(&mvm->fw->ucode_capa, 719 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 720 wiphy_ext_feature_set(hw->wiphy, 721 NL80211_EXT_FEATURE_SECURE_LTF); 722 } 723 724 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 725 726 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 727 728 #ifdef CONFIG_PM_SLEEP 729 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 730 mvm->trans->ops->d3_suspend && 731 mvm->trans->ops->d3_resume && 732 device_can_wakeup(mvm->trans->dev)) { 733 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 734 WIPHY_WOWLAN_DISCONNECT | 735 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 736 WIPHY_WOWLAN_RFKILL_RELEASE | 737 WIPHY_WOWLAN_NET_DETECT; 738 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 739 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 740 WIPHY_WOWLAN_4WAY_HANDSHAKE; 741 742 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 743 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 744 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 745 mvm->wowlan.max_nd_match_sets = 746 iwl_umac_scan_get_max_profiles(mvm->fw); 747 hw->wiphy->wowlan = &mvm->wowlan; 748 } 749 #endif 750 751 ret = iwl_mvm_leds_init(mvm); 752 if (ret) 753 return ret; 754 755 if (fw_has_capa(&mvm->fw->ucode_capa, 756 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 757 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 758 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 759 ieee80211_hw_set(hw, TDLS_WIDER_BW); 760 } 761 762 if (fw_has_capa(&mvm->fw->ucode_capa, 763 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 764 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 765 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 766 } 767 768 hw->netdev_features |= mvm->cfg->features; 769 if (!iwl_mvm_is_csum_supported(mvm)) 770 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 771 772 if (mvm->cfg->vht_mu_mimo_supported) 773 wiphy_ext_feature_set(hw->wiphy, 774 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 775 776 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 777 wiphy_ext_feature_set(hw->wiphy, 778 NL80211_EXT_FEATURE_PROTECTED_TWT); 779 780 iwl_mvm_vendor_cmds_register(mvm); 781 782 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 783 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 784 785 ret = ieee80211_register_hw(mvm->hw); 786 if (ret) { 787 iwl_mvm_leds_exit(mvm); 788 } 789 790 return ret; 791 } 792 793 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 794 struct ieee80211_sta *sta) 795 { 796 if (likely(sta)) { 797 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 798 return; 799 } else { 800 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 801 return; 802 } 803 804 ieee80211_free_txskb(mvm->hw, skb); 805 } 806 807 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 808 struct ieee80211_tx_control *control, struct sk_buff *skb) 809 { 810 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 811 struct ieee80211_sta *sta = control->sta; 812 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 813 struct ieee80211_hdr *hdr = (void *)skb->data; 814 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 815 IEEE80211_TX_CTL_TX_OFFCHAN; 816 u32 link_id = u32_get_bits(info->control.flags, 817 IEEE80211_TX_CTRL_MLO_LINK); 818 struct ieee80211_sta *tmp_sta = sta; 819 820 if (iwl_mvm_is_radio_killed(mvm)) { 821 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 822 goto drop; 823 } 824 825 if (offchannel && 826 !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && 827 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 828 goto drop; 829 830 /* 831 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 832 * so we treat the others as broadcast 833 */ 834 if (ieee80211_is_mgmt(hdr->frame_control)) 835 sta = NULL; 836 837 /* If there is no sta, and it's not offchannel - send through AP */ 838 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 839 !offchannel) { 840 struct iwl_mvm_vif *mvmvif = 841 iwl_mvm_vif_from_mac80211(info->control.vif); 842 u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); 843 844 if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 845 /* mac80211 holds rcu read lock */ 846 sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 847 if (IS_ERR_OR_NULL(sta)) 848 goto drop; 849 } 850 } 851 852 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 853 !ieee80211_is_probe_resp(hdr->frame_control)) { 854 /* translate MLD addresses to LINK addresses */ 855 struct ieee80211_link_sta *link_sta = 856 rcu_dereference(tmp_sta->link[link_id]); 857 struct ieee80211_bss_conf *link_conf = 858 rcu_dereference(info->control.vif->link_conf[link_id]); 859 struct ieee80211_mgmt *mgmt; 860 861 if (WARN_ON(!link_sta || !link_conf)) 862 goto drop; 863 864 /* if sta is NULL, the frame is a management frame */ 865 mgmt = (void *)hdr; 866 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 867 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 868 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 869 } 870 871 iwl_mvm_tx_skb(mvm, skb, sta); 872 return; 873 drop: 874 ieee80211_free_txskb(hw, skb); 875 } 876 877 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 878 { 879 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 880 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 881 struct sk_buff *skb = NULL; 882 883 /* 884 * No need for threads to be pending here, they can leave the first 885 * taker all the work. 886 * 887 * mvmtxq->tx_request logic: 888 * 889 * If 0, no one is currently TXing, set to 1 to indicate current thread 890 * will now start TX and other threads should quit. 891 * 892 * If 1, another thread is currently TXing, set to 2 to indicate to 893 * that thread that there was another request. Since that request may 894 * have raced with the check whether the queue is empty, the TXing 895 * thread should check the queue's status one more time before leaving. 896 * This check is done in order to not leave any TX hanging in the queue 897 * until the next TX invocation (which may not even happen). 898 * 899 * If 2, another thread is currently TXing, and it will already double 900 * check the queue, so do nothing. 901 */ 902 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 903 return; 904 905 rcu_read_lock(); 906 do { 907 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 908 &mvmtxq->state) && 909 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 910 &mvmtxq->state) && 911 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 912 &mvmtxq->state) && 913 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 914 skb = ieee80211_tx_dequeue(hw, txq); 915 916 if (!skb) { 917 if (txq->sta) 918 IWL_DEBUG_TX(mvm, 919 "TXQ of sta %pM tid %d is now empty\n", 920 txq->sta->addr, 921 txq->tid); 922 break; 923 } 924 925 iwl_mvm_tx_skb(mvm, skb, txq->sta); 926 } 927 } while (atomic_dec_return(&mvmtxq->tx_request)); 928 rcu_read_unlock(); 929 } 930 931 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 932 struct ieee80211_txq *txq) 933 { 934 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 935 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 936 937 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 938 !txq->sta) { 939 iwl_mvm_mac_itxq_xmit(hw, txq); 940 return; 941 } 942 943 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 944 * to handle any packets we leave on the txq now 945 */ 946 947 spin_lock_bh(&mvm->add_stream_lock); 948 /* The list is being deleted only after the queue is fully allocated. */ 949 if (list_empty(&mvmtxq->list) && 950 /* recheck under lock */ 951 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 952 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 953 schedule_work(&mvm->add_stream_wk); 954 } 955 spin_unlock_bh(&mvm->add_stream_lock); 956 } 957 958 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 959 do { \ 960 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 961 break; \ 962 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 963 } while (0) 964 965 static void 966 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 967 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 968 enum ieee80211_ampdu_mlme_action action) 969 { 970 struct iwl_fw_dbg_trigger_tlv *trig; 971 struct iwl_fw_dbg_trigger_ba *ba_trig; 972 973 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 974 FW_DBG_TRIGGER_BA); 975 if (!trig) 976 return; 977 978 ba_trig = (void *)trig->data; 979 980 switch (action) { 981 case IEEE80211_AMPDU_TX_OPERATIONAL: { 982 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 983 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 984 985 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 986 "TX AGG START: MAC %pM tid %d ssn %d\n", 987 sta->addr, tid, tid_data->ssn); 988 break; 989 } 990 case IEEE80211_AMPDU_TX_STOP_CONT: 991 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 992 "TX AGG STOP: MAC %pM tid %d\n", 993 sta->addr, tid); 994 break; 995 case IEEE80211_AMPDU_RX_START: 996 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 997 "RX AGG START: MAC %pM tid %d ssn %d\n", 998 sta->addr, tid, rx_ba_ssn); 999 break; 1000 case IEEE80211_AMPDU_RX_STOP: 1001 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1002 "RX AGG STOP: MAC %pM tid %d\n", 1003 sta->addr, tid); 1004 break; 1005 default: 1006 break; 1007 } 1008 } 1009 1010 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1011 struct ieee80211_vif *vif, 1012 struct ieee80211_ampdu_params *params) 1013 { 1014 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1015 int ret; 1016 struct ieee80211_sta *sta = params->sta; 1017 enum ieee80211_ampdu_mlme_action action = params->action; 1018 u16 tid = params->tid; 1019 u16 *ssn = ¶ms->ssn; 1020 u16 buf_size = params->buf_size; 1021 bool amsdu = params->amsdu; 1022 u16 timeout = params->timeout; 1023 1024 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1025 sta->addr, tid, action); 1026 1027 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1028 return -EACCES; 1029 1030 mutex_lock(&mvm->mutex); 1031 1032 switch (action) { 1033 case IEEE80211_AMPDU_RX_START: 1034 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1035 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1036 struct iwl_mvm_vif *mvmvif; 1037 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1038 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1039 1040 mdata->opened_rx_ba_sessions = true; 1041 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1042 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1043 } 1044 if (!iwl_enable_rx_ampdu()) { 1045 ret = -EINVAL; 1046 break; 1047 } 1048 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1049 timeout); 1050 break; 1051 case IEEE80211_AMPDU_RX_STOP: 1052 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1053 timeout); 1054 break; 1055 case IEEE80211_AMPDU_TX_START: 1056 if (!iwl_enable_tx_ampdu()) { 1057 ret = -EINVAL; 1058 break; 1059 } 1060 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1061 break; 1062 case IEEE80211_AMPDU_TX_STOP_CONT: 1063 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1064 break; 1065 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1066 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1067 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1068 break; 1069 case IEEE80211_AMPDU_TX_OPERATIONAL: 1070 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1071 buf_size, amsdu); 1072 break; 1073 default: 1074 WARN_ON_ONCE(1); 1075 ret = -EINVAL; 1076 break; 1077 } 1078 1079 if (!ret) { 1080 u16 rx_ba_ssn = 0; 1081 1082 if (action == IEEE80211_AMPDU_RX_START) 1083 rx_ba_ssn = *ssn; 1084 1085 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1086 rx_ba_ssn, action); 1087 } 1088 mutex_unlock(&mvm->mutex); 1089 1090 return ret; 1091 } 1092 1093 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1094 struct ieee80211_vif *vif) 1095 { 1096 struct iwl_mvm *mvm = data; 1097 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1098 struct iwl_probe_resp_data *probe_data; 1099 unsigned int link_id; 1100 1101 mvmvif->uploaded = false; 1102 1103 spin_lock_bh(&mvm->time_event_lock); 1104 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1105 spin_unlock_bh(&mvm->time_event_lock); 1106 1107 mvmvif->bf_enabled = false; 1108 mvmvif->ba_enabled = false; 1109 mvmvif->ap_sta = NULL; 1110 1111 mvmvif->esr_active = false; 1112 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1113 1114 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1115 mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 1116 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1117 mvmvif->link[link_id]->phy_ctxt = NULL; 1118 mvmvif->link[link_id]->active = 0; 1119 mvmvif->link[link_id]->igtk = NULL; 1120 memset(&mvmvif->link[link_id]->bf_data, 0, 1121 sizeof(mvmvif->link[link_id]->bf_data)); 1122 } 1123 1124 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1125 lockdep_is_held(&mvm->mutex)); 1126 if (probe_data) 1127 kfree_rcu(probe_data, rcu_head); 1128 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1129 } 1130 1131 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1132 { 1133 struct iwl_mvm *mvm = data; 1134 struct iwl_mvm_sta *mvm_sta; 1135 struct ieee80211_vif *vif; 1136 int link_id; 1137 1138 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1139 vif = mvm_sta->vif; 1140 1141 if (!sta->valid_links) 1142 return; 1143 1144 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1145 struct iwl_mvm_link_sta *mvm_link_sta; 1146 1147 mvm_link_sta = 1148 rcu_dereference_check(mvm_sta->link[link_id], 1149 lockdep_is_held(&mvm->mutex)); 1150 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1151 /* 1152 * We have a link STA but the link is inactive in 1153 * mac80211. This will happen if we failed to 1154 * deactivate the link but mac80211 roll back the 1155 * deactivation of the link. 1156 * Delete the stale data to avoid issues later on. 1157 */ 1158 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1159 link_id, false); 1160 } 1161 } 1162 } 1163 1164 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1165 { 1166 iwl_mvm_stop_device(mvm); 1167 1168 mvm->cur_aid = 0; 1169 1170 mvm->scan_status = 0; 1171 mvm->ps_disabled = false; 1172 mvm->rfkill_safe_init_done = false; 1173 1174 /* just in case one was running */ 1175 iwl_mvm_cleanup_roc_te(mvm); 1176 ieee80211_remain_on_channel_expired(mvm->hw); 1177 1178 iwl_mvm_ftm_restart(mvm); 1179 1180 /* 1181 * cleanup all interfaces, even inactive ones, as some might have 1182 * gone down during the HW restart 1183 */ 1184 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1185 1186 /* cleanup stations as links may be gone after restart */ 1187 ieee80211_iterate_stations_atomic(mvm->hw, 1188 iwl_mvm_cleanup_sta_iterator, mvm); 1189 1190 mvm->p2p_device_vif = NULL; 1191 1192 iwl_mvm_reset_phy_ctxts(mvm); 1193 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1194 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1195 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1196 1197 ieee80211_wake_queues(mvm->hw); 1198 1199 mvm->rx_ba_sessions = 0; 1200 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1201 mvm->monitor_on = false; 1202 #ifdef CONFIG_IWLWIFI_DEBUGFS 1203 mvm->beacon_inject_active = false; 1204 #endif 1205 1206 /* keep statistics ticking */ 1207 iwl_mvm_accu_radio_stats(mvm); 1208 } 1209 1210 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1211 { 1212 int ret; 1213 1214 lockdep_assert_held(&mvm->mutex); 1215 1216 ret = iwl_mvm_mei_get_ownership(mvm); 1217 if (ret) 1218 return ret; 1219 1220 if (mvm->mei_nvm_data) { 1221 /* We got the NIC, we can now free the MEI NVM data */ 1222 kfree(mvm->mei_nvm_data); 1223 mvm->mei_nvm_data = NULL; 1224 1225 /* 1226 * We can't free the nvm_data we allocated based on the SAP 1227 * data because we registered to cfg80211 with the channels 1228 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1229 * just in order to be able free it later. 1230 * NULLify nvm_data so that we will read the NVM from the 1231 * firmware this time. 1232 */ 1233 mvm->temp_nvm_data = mvm->nvm_data; 1234 mvm->nvm_data = NULL; 1235 } 1236 1237 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1238 /* 1239 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1240 * so later code will - from now on - see that we're doing it. 1241 */ 1242 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1243 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1244 /* Clean up some internal and mac80211 state on restart */ 1245 iwl_mvm_restart_cleanup(mvm); 1246 } 1247 ret = iwl_mvm_up(mvm); 1248 1249 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1250 NULL); 1251 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1252 NULL); 1253 1254 mvm->last_reset_or_resume_time_jiffies = jiffies; 1255 1256 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1257 /* Something went wrong - we need to finish some cleanup 1258 * that normally iwl_mvm_mac_restart_complete() below 1259 * would do. 1260 */ 1261 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1262 } 1263 1264 return ret; 1265 } 1266 1267 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1268 { 1269 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1270 int ret; 1271 1272 mutex_lock(&mvm->mutex); 1273 1274 /* we are starting the mac not in error flow, and restart is enabled */ 1275 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1276 iwlwifi_mod_params.fw_restart) { 1277 /* 1278 * This will prevent mac80211 recovery flows to trigger during 1279 * init failures 1280 */ 1281 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1282 } 1283 1284 ret = __iwl_mvm_mac_start(mvm); 1285 clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1286 1287 mutex_unlock(&mvm->mutex); 1288 1289 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1290 1291 return ret; 1292 } 1293 1294 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1295 { 1296 int ret; 1297 1298 mutex_lock(&mvm->mutex); 1299 1300 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1301 1302 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1303 if (ret) 1304 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1305 ret); 1306 1307 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1308 1309 /* 1310 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1311 * of packets the FW sent out, so we must reconnect. 1312 */ 1313 iwl_mvm_teardown_tdls_peers(mvm); 1314 1315 mutex_unlock(&mvm->mutex); 1316 } 1317 1318 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1319 enum ieee80211_reconfig_type reconfig_type) 1320 { 1321 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1322 1323 switch (reconfig_type) { 1324 case IEEE80211_RECONFIG_TYPE_RESTART: 1325 iwl_mvm_restart_complete(mvm); 1326 break; 1327 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1328 break; 1329 } 1330 } 1331 1332 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) 1333 { 1334 lockdep_assert_held(&mvm->mutex); 1335 1336 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1337 1338 /* firmware counters are obviously reset now, but we shouldn't 1339 * partially track so also clear the fw_reset_accu counters. 1340 */ 1341 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1342 1343 /* async_handlers_wk is now blocked */ 1344 1345 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1346 iwl_mvm_rm_aux_sta(mvm); 1347 1348 iwl_mvm_stop_device(mvm); 1349 1350 iwl_mvm_async_handlers_purge(mvm); 1351 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1352 1353 /* 1354 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1355 * hw (as restart_complete() won't be called in this case) and mac80211 1356 * won't execute the restart. 1357 * But make sure to cleanup interfaces that have gone down before/during 1358 * HW restart was requested. 1359 */ 1360 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1361 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1362 &mvm->status)) 1363 ieee80211_iterate_interfaces(mvm->hw, 0, 1364 iwl_mvm_cleanup_iterator, mvm); 1365 1366 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1367 * make sure there's nothing left there and warn if any is found. 1368 */ 1369 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1370 int i; 1371 1372 for (i = 0; i < mvm->max_scans; i++) { 1373 if (WARN_ONCE(mvm->scan_uid_status[i], 1374 "UMAC scan UID %d status was not cleaned\n", 1375 i)) 1376 mvm->scan_uid_status[i] = 0; 1377 } 1378 } 1379 } 1380 1381 void iwl_mvm_mac_stop(struct ieee80211_hw *hw) 1382 { 1383 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1384 1385 /* Stop internal MLO scan, if running */ 1386 mutex_lock(&mvm->mutex); 1387 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1388 mutex_unlock(&mvm->mutex); 1389 1390 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1391 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1392 flush_work(&mvm->async_handlers_wk); 1393 flush_work(&mvm->add_stream_wk); 1394 1395 /* 1396 * Lock and clear the firmware running bit here already, so that 1397 * new commands coming in elsewhere, e.g. from debugfs, will not 1398 * be able to proceed. This is important here because one of those 1399 * debugfs files causes the firmware dump to be triggered, and if we 1400 * don't stop debugfs accesses before canceling that it could be 1401 * retriggered after we flush it but before we've cleared the bit. 1402 */ 1403 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1404 1405 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1406 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1407 1408 /* 1409 * The work item could be running or queued if the 1410 * ROC time event stops just as we get here. 1411 */ 1412 flush_work(&mvm->roc_done_wk); 1413 1414 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1415 1416 mutex_lock(&mvm->mutex); 1417 __iwl_mvm_mac_stop(mvm); 1418 mutex_unlock(&mvm->mutex); 1419 1420 /* 1421 * The worker might have been waiting for the mutex, let it run and 1422 * discover that its list is now empty. 1423 */ 1424 cancel_work_sync(&mvm->async_handlers_wk); 1425 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1426 } 1427 1428 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1429 { 1430 u16 i; 1431 1432 lockdep_assert_held(&mvm->mutex); 1433 1434 for (i = 0; i < NUM_PHY_CTX; i++) 1435 if (!mvm->phy_ctxts[i].ref) 1436 return &mvm->phy_ctxts[i]; 1437 1438 IWL_ERR(mvm, "No available PHY context\n"); 1439 return NULL; 1440 } 1441 1442 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1443 s16 tx_power) 1444 { 1445 u32 cmd_id = REDUCE_TX_POWER_CMD; 1446 int len; 1447 struct iwl_dev_tx_power_cmd cmd = { 1448 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1449 .common.mac_context_id = 1450 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1451 .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1452 }; 1453 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1454 IWL_FW_CMD_VER_UNKNOWN); 1455 1456 if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1457 cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1458 1459 if (cmd_ver == 8) 1460 len = sizeof(cmd.v8); 1461 else if (cmd_ver == 7) 1462 len = sizeof(cmd.v7); 1463 else if (cmd_ver == 6) 1464 len = sizeof(cmd.v6); 1465 else if (fw_has_api(&mvm->fw->ucode_capa, 1466 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1467 len = sizeof(cmd.v5); 1468 else if (fw_has_capa(&mvm->fw->ucode_capa, 1469 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1470 len = sizeof(cmd.v4); 1471 else 1472 len = sizeof(cmd.v3); 1473 1474 /* all structs have the same common part, add it */ 1475 len += sizeof(cmd.common); 1476 1477 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1478 } 1479 1480 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1481 { 1482 struct ieee80211_hw *hw = data; 1483 int i; 1484 1485 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1486 struct iwl_mvm_txq *mvmtxq = 1487 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1488 1489 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1490 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1491 } 1492 } 1493 1494 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1495 struct ieee80211_vif *vif, 1496 struct ieee80211_bss_conf *link_conf) 1497 { 1498 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1499 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1500 int ret; 1501 1502 mutex_lock(&mvm->mutex); 1503 1504 if (vif->type == NL80211_IFTYPE_STATION) { 1505 struct iwl_mvm_sta *mvmsta; 1506 unsigned int link_id = link_conf->link_id; 1507 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1508 1509 mvmvif->csa_bcn_pending = false; 1510 mvmvif->csa_blocks_tx = false; 1511 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1512 1513 if (WARN_ON(!mvmsta)) { 1514 ret = -EIO; 1515 goto out_unlock; 1516 } 1517 1518 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1519 if (mvm->mld_api_is_used) 1520 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1521 else 1522 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1523 1524 if (!fw_has_capa(&mvm->fw->ucode_capa, 1525 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1526 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1527 if (ret) 1528 goto out_unlock; 1529 1530 iwl_mvm_stop_session_protection(mvm, vif); 1531 } 1532 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1533 struct iwl_mvm_txq *mvmtxq = 1534 iwl_mvm_txq_from_mac80211(vif->txq); 1535 1536 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1537 1538 local_bh_disable(); 1539 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1540 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1541 local_bh_enable(); 1542 1543 mvmvif->csa_blocks_tx = false; 1544 } 1545 1546 mvmvif->ps_disabled = false; 1547 1548 ret = iwl_mvm_power_update_ps(mvm); 1549 1550 out_unlock: 1551 if (mvmvif->csa_failed) 1552 ret = -EIO; 1553 mutex_unlock(&mvm->mutex); 1554 1555 return ret; 1556 } 1557 1558 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1559 struct ieee80211_vif *vif, 1560 struct ieee80211_bss_conf *link_conf) 1561 { 1562 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1563 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1564 struct iwl_chan_switch_te_cmd cmd = { 1565 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1566 mvmvif->color)), 1567 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1568 }; 1569 1570 /* 1571 * In the new flow since FW is in charge of the timing, 1572 * if driver has canceled the channel switch he will receive the 1573 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1574 */ 1575 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1576 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1577 return; 1578 1579 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1580 1581 mutex_lock(&mvm->mutex); 1582 if (!fw_has_capa(&mvm->fw->ucode_capa, 1583 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1584 iwl_mvm_remove_csa_period(mvm, vif); 1585 else 1586 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1587 WIDE_ID(MAC_CONF_GROUP, 1588 CHANNEL_SWITCH_TIME_EVENT_CMD), 1589 0, sizeof(cmd), &cmd)); 1590 mvmvif->csa_failed = true; 1591 mutex_unlock(&mvm->mutex); 1592 1593 /* If we're here, we can't support MLD */ 1594 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1595 } 1596 1597 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1598 { 1599 struct iwl_mvm_vif *mvmvif; 1600 struct ieee80211_vif *vif; 1601 1602 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1603 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1604 1605 /* Trigger disconnect (should clear the CSA state) */ 1606 ieee80211_chswitch_done(vif, false, 0); 1607 } 1608 1609 static u8 1610 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1611 { 1612 int data_start; 1613 int control_start; 1614 int bw; 1615 1616 if (chandef->width == NL80211_CHAN_WIDTH_320) 1617 bw = 320; 1618 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1619 bw = 160; 1620 else 1621 return 0; 1622 1623 /* data is bw wide so the start is half the width */ 1624 data_start = chandef->center_freq1 - bw / 2; 1625 /* control is 20Mhz width */ 1626 control_start = chandef->chan->center_freq - 10; 1627 1628 return (control_start - data_start) / 80; 1629 } 1630 1631 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1632 struct ieee80211_vif *vif) 1633 { 1634 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1635 int ret; 1636 1637 lockdep_assert_held(&mvm->mutex); 1638 1639 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1640 if (ret) { 1641 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1642 return ret; 1643 } 1644 1645 /* Only queue for this station is the mcast queue, 1646 * which shouldn't be in TFD mask anyway 1647 */ 1648 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1649 vif->type, 1650 IWL_STA_MULTICAST); 1651 } 1652 1653 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1654 struct wiphy_work *wk) 1655 { 1656 struct iwl_mvm_vif *mvmvif = 1657 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1658 struct iwl_mvm *mvm = mvmvif->mvm; 1659 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 1660 1661 mutex_lock(&mvm->mutex); 1662 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1663 mutex_unlock(&mvm->mutex); 1664 } 1665 1666 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1667 { 1668 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1669 mlo_int_scan_wk.work); 1670 struct ieee80211_vif *vif = 1671 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1672 1673 mutex_lock(&mvmvif->mvm->mutex); 1674 1675 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1676 1677 mutex_unlock(&mvmvif->mvm->mutex); 1678 } 1679 1680 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1681 { 1682 struct iwl_mvm_vif *mvmvif = 1683 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1684 struct iwl_mvm *mvm = mvmvif->mvm; 1685 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 1686 1687 mutex_lock(&mvm->mutex); 1688 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1689 mutex_unlock(&mvm->mutex); 1690 } 1691 1692 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1693 { 1694 lockdep_assert_held(&mvm->mutex); 1695 1696 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1697 return; 1698 1699 INIT_DELAYED_WORK(&mvmvif->csa_work, 1700 iwl_mvm_channel_switch_disconnect_wk); 1701 1702 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1703 iwl_mvm_prevent_esr_done_wk); 1704 1705 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1706 iwl_mvm_mlo_int_scan_wk); 1707 1708 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1709 iwl_mvm_unblock_esr_tpt); 1710 } 1711 1712 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1713 struct ieee80211_vif *vif) 1714 { 1715 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1716 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1717 int ret; 1718 int i; 1719 1720 mutex_lock(&mvm->mutex); 1721 1722 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1723 1724 mvmvif->mvm = mvm; 1725 1726 /* the first link always points to the default one */ 1727 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1728 mvmvif->deflink.active = 0; 1729 mvmvif->link[0] = &mvmvif->deflink; 1730 1731 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1732 if (ret) 1733 goto out; 1734 1735 /* 1736 * Not much to do here. The stack will not allow interface 1737 * types or combinations that we didn't advertise, so we 1738 * don't really have to check the types. 1739 */ 1740 1741 /* make sure that beacon statistics don't go backwards with FW reset */ 1742 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1743 for_each_mvm_vif_valid_link(mvmvif, i) 1744 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1745 mvmvif->link[i]->beacon_stats.num_beacons; 1746 1747 /* Allocate resources for the MAC context, and add it to the fw */ 1748 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1749 if (ret) 1750 goto out; 1751 1752 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1753 1754 /* Currently not much to do for NAN */ 1755 if (vif->type == NL80211_IFTYPE_NAN) { 1756 ret = 0; 1757 goto out; 1758 } 1759 1760 /* 1761 * The AP binding flow can be done only after the beacon 1762 * template is configured (which happens only in the mac80211 1763 * start_ap() flow), and adding the broadcast station can happen 1764 * only after the binding. 1765 * In addition, since modifying the MAC before adding a bcast 1766 * station is not allowed by the FW, delay the adding of MAC context to 1767 * the point where we can also add the bcast station. 1768 * In short: there's not much we can do at this point, other than 1769 * allocating resources :) 1770 */ 1771 if (vif->type == NL80211_IFTYPE_AP || 1772 vif->type == NL80211_IFTYPE_ADHOC) { 1773 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1774 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1775 ret = 0; 1776 goto out; 1777 } 1778 1779 mvmvif->features |= hw->netdev_features; 1780 1781 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1782 if (ret) 1783 goto out_unlock; 1784 1785 ret = iwl_mvm_power_update_mac(mvm); 1786 if (ret) 1787 goto out_remove_mac; 1788 1789 /* beacon filtering */ 1790 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1791 if (ret) 1792 goto out_remove_mac; 1793 1794 if (!mvm->bf_allowed_vif && 1795 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1796 mvm->bf_allowed_vif = mvmvif; 1797 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1798 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1799 } 1800 1801 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1802 mvm->p2p_device_vif = vif; 1803 1804 iwl_mvm_tcm_add_vif(mvm, vif); 1805 1806 if (vif->type == NL80211_IFTYPE_MONITOR) { 1807 mvm->monitor_on = true; 1808 mvm->monitor_p80 = 1809 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1810 } 1811 1812 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1813 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1814 1815 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1816 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1817 !mvm->csme_vif && mvm->mei_registered) { 1818 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1819 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1820 mvm->csme_vif = vif; 1821 } 1822 1823 out: 1824 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1825 vif->type == NL80211_IFTYPE_ADHOC)) 1826 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1827 1828 goto out_unlock; 1829 1830 out_remove_mac: 1831 mvmvif->deflink.phy_ctxt = NULL; 1832 iwl_mvm_mac_ctxt_remove(mvm, vif); 1833 out_unlock: 1834 mutex_unlock(&mvm->mutex); 1835 1836 return ret; 1837 } 1838 1839 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1840 struct ieee80211_vif *vif) 1841 { 1842 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1843 1844 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1845 /* 1846 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1847 * We assume here that all the packets sent to the OFFCHANNEL 1848 * queue are sent in ROC session. 1849 */ 1850 flush_work(&mvm->roc_done_wk); 1851 } 1852 1853 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1854 &mvmvif->prevent_esr_done_wk); 1855 1856 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1857 &mvmvif->mlo_int_scan_wk); 1858 1859 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1860 1861 cancel_delayed_work_sync(&mvmvif->csa_work); 1862 } 1863 1864 /* This function is doing the common part of removing the interface for 1865 * both - MLD and non-MLD modes. Returns true if removing the interface 1866 * is done 1867 */ 1868 static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, 1869 struct ieee80211_vif *vif) 1870 { 1871 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1872 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1873 struct iwl_probe_resp_data *probe_data; 1874 1875 iwl_mvm_prepare_mac_removal(mvm, vif); 1876 1877 if (!(vif->type == NL80211_IFTYPE_AP || 1878 vif->type == NL80211_IFTYPE_ADHOC)) 1879 iwl_mvm_tcm_rm_vif(mvm, vif); 1880 1881 mutex_lock(&mvm->mutex); 1882 1883 if (vif == mvm->csme_vif) { 1884 iwl_mei_set_netdev(NULL); 1885 mvm->csme_vif = NULL; 1886 } 1887 1888 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1889 lockdep_is_held(&mvm->mutex)); 1890 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1891 if (probe_data) 1892 kfree_rcu(probe_data, rcu_head); 1893 1894 if (mvm->bf_allowed_vif == mvmvif) { 1895 mvm->bf_allowed_vif = NULL; 1896 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1897 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1898 } 1899 1900 if (vif->bss_conf.ftm_responder) 1901 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1902 1903 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1904 1905 /* 1906 * For AP/GO interface, the tear down of the resources allocated to the 1907 * interface is be handled as part of the stop_ap flow. 1908 */ 1909 if (vif->type == NL80211_IFTYPE_AP || 1910 vif->type == NL80211_IFTYPE_ADHOC) { 1911 #ifdef CONFIG_NL80211_TESTMODE 1912 if (vif == mvm->noa_vif) { 1913 mvm->noa_vif = NULL; 1914 mvm->noa_duration = 0; 1915 } 1916 #endif 1917 return true; 1918 } 1919 1920 iwl_mvm_power_update_mac(mvm); 1921 return false; 1922 } 1923 1924 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1925 struct ieee80211_vif *vif) 1926 { 1927 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1928 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1929 1930 if (iwl_mvm_mac_remove_interface_common(hw, vif)) 1931 goto out; 1932 1933 /* Before the interface removal, mac80211 would cancel the ROC, and the 1934 * ROC worker would be scheduled if needed. The worker would be flushed 1935 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1936 * binding etc. so nothing needs to be done here. 1937 */ 1938 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1939 if (mvmvif->deflink.phy_ctxt) { 1940 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1941 mvmvif->deflink.phy_ctxt = NULL; 1942 } 1943 mvm->p2p_device_vif = NULL; 1944 } 1945 1946 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1947 iwl_mvm_mac_ctxt_remove(mvm, vif); 1948 1949 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1950 1951 if (vif->type == NL80211_IFTYPE_MONITOR) 1952 mvm->monitor_on = false; 1953 1954 out: 1955 if (vif->type == NL80211_IFTYPE_AP || 1956 vif->type == NL80211_IFTYPE_ADHOC) { 1957 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1958 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1959 } 1960 1961 mutex_unlock(&mvm->mutex); 1962 } 1963 1964 struct iwl_mvm_mc_iter_data { 1965 struct iwl_mvm *mvm; 1966 int port_id; 1967 }; 1968 1969 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1970 struct ieee80211_vif *vif) 1971 { 1972 struct iwl_mvm_mc_iter_data *data = _data; 1973 struct iwl_mvm *mvm = data->mvm; 1974 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1975 struct iwl_host_cmd hcmd = { 1976 .id = MCAST_FILTER_CMD, 1977 .flags = CMD_ASYNC, 1978 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 1979 }; 1980 int ret, len; 1981 1982 /* if we don't have free ports, mcast frames will be dropped */ 1983 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1984 return; 1985 1986 if (vif->type != NL80211_IFTYPE_STATION || 1987 !vif->cfg.assoc) 1988 return; 1989 1990 cmd->port_id = data->port_id++; 1991 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1992 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1993 1994 hcmd.len[0] = len; 1995 hcmd.data[0] = cmd; 1996 1997 ret = iwl_mvm_send_cmd(mvm, &hcmd); 1998 if (ret) 1999 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2000 } 2001 2002 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2003 { 2004 struct iwl_mvm_mc_iter_data iter_data = { 2005 .mvm = mvm, 2006 }; 2007 int ret; 2008 2009 lockdep_assert_held(&mvm->mutex); 2010 2011 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2012 return; 2013 2014 ieee80211_iterate_active_interfaces_atomic( 2015 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2016 iwl_mvm_mc_iface_iterator, &iter_data); 2017 2018 /* 2019 * Send a (synchronous) ech command so that we wait for the 2020 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2021 * the interface iterator. Otherwise, we might get here over 2022 * and over again (by userspace just sending a lot of these) 2023 * and the CPU can send them faster than the firmware can 2024 * process them. 2025 * Note that the CPU is still faster - but with this we'll 2026 * actually send fewer commands overall because the CPU will 2027 * not schedule the work in mac80211 as frequently if it's 2028 * still running when rescheduled (possibly multiple times). 2029 */ 2030 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2031 if (ret) 2032 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2033 } 2034 2035 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2036 struct netdev_hw_addr_list *mc_list) 2037 { 2038 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2039 struct iwl_mcast_filter_cmd *cmd; 2040 struct netdev_hw_addr *addr; 2041 int addr_count; 2042 bool pass_all; 2043 int len; 2044 2045 addr_count = netdev_hw_addr_list_count(mc_list); 2046 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2047 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2048 if (pass_all) 2049 addr_count = 0; 2050 2051 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2052 cmd = kzalloc(len, GFP_ATOMIC); 2053 if (!cmd) 2054 return 0; 2055 2056 if (pass_all) { 2057 cmd->pass_all = 1; 2058 return (u64)(unsigned long)cmd; 2059 } 2060 2061 netdev_hw_addr_list_for_each(addr, mc_list) { 2062 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2063 cmd->count, addr->addr); 2064 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2065 addr->addr, ETH_ALEN); 2066 cmd->count++; 2067 } 2068 2069 return (u64)(unsigned long)cmd; 2070 } 2071 2072 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2073 unsigned int changed_flags, 2074 unsigned int *total_flags, u64 multicast) 2075 { 2076 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2077 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2078 2079 mutex_lock(&mvm->mutex); 2080 2081 /* replace previous configuration */ 2082 kfree(mvm->mcast_filter_cmd); 2083 mvm->mcast_filter_cmd = cmd; 2084 2085 if (!cmd) 2086 goto out; 2087 2088 if (changed_flags & FIF_ALLMULTI) 2089 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2090 2091 if (cmd->pass_all) 2092 cmd->count = 0; 2093 2094 iwl_mvm_recalc_multicast(mvm); 2095 out: 2096 mutex_unlock(&mvm->mutex); 2097 *total_flags = 0; 2098 } 2099 2100 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2101 struct ieee80211_vif *vif, 2102 unsigned int filter_flags, 2103 unsigned int changed_flags) 2104 { 2105 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2106 2107 /* We support only filter for probe requests */ 2108 if (!(changed_flags & FIF_PROBE_REQ)) 2109 return; 2110 2111 /* Supported only for p2p client interfaces */ 2112 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2113 !vif->p2p) 2114 return; 2115 2116 mutex_lock(&mvm->mutex); 2117 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2118 mutex_unlock(&mvm->mutex); 2119 } 2120 2121 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2122 { 2123 struct iwl_mu_group_mgmt_cmd cmd = {}; 2124 2125 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2126 WLAN_MEMBERSHIP_LEN); 2127 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2128 WLAN_USER_POSITION_LEN); 2129 2130 return iwl_mvm_send_cmd_pdu(mvm, 2131 WIDE_ID(DATA_PATH_GROUP, 2132 UPDATE_MU_GROUPS_CMD), 2133 0, sizeof(cmd), &cmd); 2134 } 2135 2136 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2137 struct ieee80211_vif *vif) 2138 { 2139 if (vif->bss_conf.mu_mimo_owner) { 2140 struct iwl_mu_group_mgmt_notif *notif = _data; 2141 2142 /* 2143 * MU-MIMO Group Id action frame is little endian. We treat 2144 * the data received from firmware as if it came from the 2145 * action frame, so no conversion is needed. 2146 */ 2147 ieee80211_update_mu_groups(vif, 0, 2148 (u8 *)¬if->membership_status, 2149 (u8 *)¬if->user_position); 2150 } 2151 } 2152 2153 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2154 struct iwl_rx_cmd_buffer *rxb) 2155 { 2156 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2157 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2158 2159 ieee80211_iterate_active_interfaces_atomic( 2160 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2161 iwl_mvm_mu_mimo_iface_iterator, notif); 2162 } 2163 2164 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2165 { 2166 u8 byte_num = ppe_pos_bit / 8; 2167 u8 bit_num = ppe_pos_bit % 8; 2168 u8 residue_bits; 2169 u8 res; 2170 2171 if (bit_num <= 5) 2172 return (ppe[byte_num] >> bit_num) & 2173 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2174 2175 /* 2176 * If bit_num > 5, we have to combine bits with next byte. 2177 * Calculate how many bits we need to take from current byte (called 2178 * here "residue_bits"), and add them to bits from next byte. 2179 */ 2180 2181 residue_bits = 8 - bit_num; 2182 2183 res = (ppe[byte_num + 1] & 2184 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2185 residue_bits; 2186 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2187 2188 return res; 2189 } 2190 2191 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2192 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2193 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2194 bool inheritance) 2195 { 2196 int i; 2197 2198 /* 2199 * FW currently supports only nss == MAX_HE_SUPP_NSS 2200 * 2201 * If nss > MAX: we can ignore values we don't support 2202 * If nss < MAX: we can set zeros in other streams 2203 */ 2204 if (nss > MAX_HE_SUPP_NSS) { 2205 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2206 MAX_HE_SUPP_NSS); 2207 nss = MAX_HE_SUPP_NSS; 2208 } 2209 2210 for (i = 0; i < nss; i++) { 2211 u8 ru_index_tmp = ru_index_bitmap << 1; 2212 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2213 u8 bw; 2214 2215 for (bw = 0; 2216 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2217 bw++) { 2218 ru_index_tmp >>= 1; 2219 2220 /* 2221 * According to the 11be spec, if for a specific BW the PPE Thresholds 2222 * isn't present - it should inherit the thresholds from the last 2223 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2224 * this inheritance - continue in this case 2225 */ 2226 if (!(ru_index_tmp & 1)) { 2227 if (inheritance) 2228 goto set_thresholds; 2229 else 2230 continue; 2231 } 2232 2233 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2234 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2235 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2236 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2237 2238 set_thresholds: 2239 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2240 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2241 } 2242 } 2243 } 2244 2245 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2246 struct ieee80211_link_sta *link_sta, 2247 struct iwl_he_pkt_ext_v2 *pkt_ext, 2248 bool inheritance) 2249 { 2250 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2251 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2252 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2253 u8 ru_index_bitmap = 2254 u8_get_bits(*ppe, 2255 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2256 /* Starting after PPE header */ 2257 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2258 2259 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2260 inheritance); 2261 } 2262 2263 static int 2264 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2265 u8 nominal_padding) 2266 { 2267 int low_th = -1; 2268 int high_th = -1; 2269 int i; 2270 2271 /* all the macros are the same for EHT and HE */ 2272 switch (nominal_padding) { 2273 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2274 low_th = IWL_HE_PKT_EXT_NONE; 2275 high_th = IWL_HE_PKT_EXT_NONE; 2276 break; 2277 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2278 low_th = IWL_HE_PKT_EXT_BPSK; 2279 high_th = IWL_HE_PKT_EXT_NONE; 2280 break; 2281 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2282 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2283 low_th = IWL_HE_PKT_EXT_NONE; 2284 high_th = IWL_HE_PKT_EXT_BPSK; 2285 break; 2286 } 2287 2288 if (low_th < 0 || high_th < 0) 2289 return -EINVAL; 2290 2291 /* Set the PPE thresholds accordingly */ 2292 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2293 u8 bw; 2294 2295 for (bw = 0; 2296 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2297 bw++) { 2298 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2299 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2300 } 2301 } 2302 2303 return 0; 2304 } 2305 2306 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2307 u8 nominal_padding) 2308 { 2309 int i; 2310 2311 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2312 u8 bw; 2313 2314 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2315 bw++) { 2316 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2317 2318 if (nominal_padding > 2319 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2320 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2321 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2322 else if (nominal_padding == 2323 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2324 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2325 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2326 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2327 } 2328 } 2329 } 2330 2331 /* Set the pkt_ext field according to PPE Thresholds element */ 2332 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2333 struct ieee80211_link_sta *link_sta, 2334 struct iwl_he_pkt_ext_v2 *pkt_ext) 2335 { 2336 u8 nominal_padding; 2337 int i, ret = 0; 2338 2339 if (WARN_ON(!link_sta)) 2340 return -EINVAL; 2341 2342 /* Initialize the PPE thresholds to "None" (7), as described in Table 2343 * 9-262ac of 80211.ax/D3.0. 2344 */ 2345 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2346 sizeof(struct iwl_he_pkt_ext_v2)); 2347 2348 if (link_sta->eht_cap.has_eht) { 2349 nominal_padding = 2350 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2351 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2352 2353 /* If PPE Thresholds exists, parse them into a FW-familiar 2354 * format. 2355 */ 2356 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2357 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2358 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2359 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2360 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2361 u8 ru_index_bitmap = 2362 u16_get_bits(*ppe, 2363 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2364 /* Starting after PPE header */ 2365 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2366 2367 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2368 ppe, ppe_pos_bit, true); 2369 /* EHT PPE Thresholds doesn't exist - set the API according to 2370 * HE PPE Tresholds 2371 */ 2372 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2373 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2374 /* Even though HE Capabilities IE doesn't contain PPE 2375 * Thresholds for BW 320Mhz, thresholds for this BW will 2376 * be filled in with the same values as 160Mhz, due to 2377 * the inheritance, as required. 2378 */ 2379 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2380 true); 2381 2382 /* According to the requirements, for MCSs 12-13 the 2383 * maximum value between HE PPE Threshold and Common 2384 * Nominal Packet Padding needs to be taken 2385 */ 2386 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2387 2388 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2389 * take the Thresholds from Common Nominal Packet Padding field 2390 */ 2391 } else { 2392 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2393 nominal_padding); 2394 } 2395 } else if (link_sta->he_cap.has_he) { 2396 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2397 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2398 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2399 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2400 false); 2401 /* PPE Thresholds doesn't exist - set the API PPE values 2402 * according to Common Nominal Packet Padding field. 2403 */ 2404 } else { 2405 nominal_padding = 2406 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2407 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2408 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2409 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2410 nominal_padding); 2411 } 2412 } 2413 2414 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2415 int bw; 2416 2417 for (bw = 0; 2418 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2419 bw++) { 2420 u8 *qam_th = 2421 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2422 2423 IWL_DEBUG_HT(mvm, 2424 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2425 i, bw, qam_th[0], qam_th[1]); 2426 } 2427 } 2428 return ret; 2429 } 2430 2431 /* 2432 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2433 * is enabled or not 2434 */ 2435 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2436 const struct iwl_mvm_vif_link_info *link_info, 2437 struct iwl_he_backoff_conf *trig_based_txf) 2438 { 2439 int i; 2440 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2441 bool mu_edca_enabled = true; 2442 2443 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2444 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2445 &link_info->queue_params[i].mu_edca_param_rec; 2446 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2447 2448 if (!link_info->queue_params[i].mu_edca) { 2449 mu_edca_enabled = false; 2450 break; 2451 } 2452 2453 trig_based_txf[ac].cwmin = 2454 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2455 trig_based_txf[ac].cwmax = 2456 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2457 trig_based_txf[ac].aifsn = 2458 cpu_to_le16(mu_edca->aifsn & 0xf); 2459 trig_based_txf[ac].mu_time = 2460 cpu_to_le16(mu_edca->mu_edca_timer); 2461 } 2462 2463 return mu_edca_enabled; 2464 } 2465 2466 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2467 { 2468 const struct ieee80211_supported_band *sband; 2469 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2470 2471 /* This capability is the same for all bands, 2472 * so take it from one of them. 2473 */ 2474 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2475 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2476 2477 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2478 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2479 } 2480 2481 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2482 struct ieee80211_link_sta *link_sta) 2483 { 2484 u8 *mac_cap_info = 2485 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2486 __le32 htc_flags = 0; 2487 2488 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2489 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2490 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2491 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2492 u8 link_adap = 2493 ((mac_cap_info[2] & 2494 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2495 (mac_cap_info[1] & 2496 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2497 2498 if (link_adap == 2) 2499 htc_flags |= 2500 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2501 else if (link_adap == 3) 2502 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2503 } 2504 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2505 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2506 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2507 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2508 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2509 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2510 2511 return htc_flags; 2512 } 2513 2514 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2515 struct ieee80211_vif *vif, u8 sta_id) 2516 { 2517 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2518 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2519 .sta_id = sta_id, 2520 .tid_limit = IWL_MAX_TID_COUNT, 2521 .bss_color = vif->bss_conf.he_bss_color.color, 2522 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2523 .frame_time_rts_th = 2524 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2525 }; 2526 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2527 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2528 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2529 int size; 2530 struct ieee80211_sta *sta; 2531 u32 flags; 2532 int i; 2533 void *cmd; 2534 2535 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2536 ver = 1; 2537 2538 switch (ver) { 2539 case 1: 2540 /* same layout as v2 except some data at the end */ 2541 cmd = &sta_ctxt_cmd_v2; 2542 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2543 break; 2544 case 2: 2545 cmd = &sta_ctxt_cmd_v2; 2546 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2547 break; 2548 case 3: 2549 cmd = &sta_ctxt_cmd; 2550 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2551 break; 2552 default: 2553 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2554 return; 2555 } 2556 2557 rcu_read_lock(); 2558 2559 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2560 if (IS_ERR_OR_NULL(sta)) { 2561 rcu_read_unlock(); 2562 WARN(1, "Can't find STA to configure HE\n"); 2563 return; 2564 } 2565 2566 if (!sta->deflink.he_cap.has_he) { 2567 rcu_read_unlock(); 2568 return; 2569 } 2570 2571 flags = 0; 2572 2573 /* Block 26-tone RU OFDMA transmissions */ 2574 if (mvmvif->deflink.he_ru_2mhz_block) 2575 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2576 2577 /* HTC flags */ 2578 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2579 2580 /* PPE Thresholds */ 2581 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2582 flags |= STA_CTXT_HE_PACKET_EXT; 2583 2584 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2585 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2586 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2587 2588 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2589 IEEE80211_HE_MAC_CAP2_ACK_EN) 2590 flags |= STA_CTXT_HE_ACK_ENABLED; 2591 2592 rcu_read_unlock(); 2593 2594 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2595 &sta_ctxt_cmd.trig_based_txf[0])) 2596 flags |= STA_CTXT_HE_MU_EDCA_CW; 2597 2598 if (vif->bss_conf.uora_exists) { 2599 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2600 2601 sta_ctxt_cmd.rand_alloc_ecwmin = 2602 vif->bss_conf.uora_ocw_range & 0x7; 2603 sta_ctxt_cmd.rand_alloc_ecwmax = 2604 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2605 } 2606 2607 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2608 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2609 2610 if (vif->bss_conf.nontransmitted) { 2611 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2612 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2613 vif->bss_conf.transmitter_bssid); 2614 sta_ctxt_cmd.max_bssid_indicator = 2615 vif->bss_conf.bssid_indicator; 2616 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2617 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2618 sta_ctxt_cmd.profile_periodicity = 2619 vif->bss_conf.profile_periodicity; 2620 } 2621 2622 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2623 2624 if (ver < 3) { 2625 /* fields before pkt_ext */ 2626 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2627 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2628 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2629 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2630 2631 /* pkt_ext */ 2632 for (i = 0; 2633 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2634 i++) { 2635 u8 bw; 2636 2637 for (bw = 0; 2638 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2639 bw++) { 2640 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2641 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2642 2643 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2644 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2645 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2646 } 2647 } 2648 2649 /* fields after pkt_ext */ 2650 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2651 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2652 sizeof(sta_ctxt_cmd_v2) - 2653 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2654 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2655 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2656 (u8 *)&sta_ctxt_cmd + 2657 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2658 sizeof(sta_ctxt_cmd) - 2659 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2660 sta_ctxt_cmd_v2.reserved3 = 0; 2661 } 2662 2663 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2664 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2665 } 2666 2667 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2668 u32 duration_override, unsigned int link_id) 2669 { 2670 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2671 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2672 2673 if (duration_override > duration) 2674 duration = duration_override; 2675 2676 /* Try really hard to protect the session and hear a beacon 2677 * The new session protection command allows us to protect the 2678 * session for a much longer time since the firmware will internally 2679 * create two events: a 300TU one with a very high priority that 2680 * won't be fragmented which should be enough for 99% of the cases, 2681 * and another one (which we configure here to be 900TU long) which 2682 * will have a slightly lower priority, but more importantly, can be 2683 * fragmented so that it'll allow other activities to run. 2684 */ 2685 if (fw_has_capa(&mvm->fw->ucode_capa, 2686 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2687 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2688 min_duration, false, 2689 link_id); 2690 else 2691 iwl_mvm_protect_session(mvm, vif, duration, 2692 min_duration, 500, false); 2693 } 2694 2695 /* Handle association common part to MLD and non-MLD modes */ 2696 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2697 struct ieee80211_vif *vif, 2698 u64 changes) 2699 { 2700 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2701 int ret; 2702 int link_id; 2703 2704 /* The firmware tracks the MU-MIMO group on its own. 2705 * However, on HW restart we should restore this data. 2706 */ 2707 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2708 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2709 ret = iwl_mvm_update_mu_groups(mvm, vif); 2710 if (ret) 2711 IWL_ERR(mvm, 2712 "failed to update VHT MU_MIMO groups\n"); 2713 } 2714 2715 iwl_mvm_recalc_multicast(mvm); 2716 2717 /* reset rssi values */ 2718 for_each_mvm_vif_valid_link(mvmvif, link_id) 2719 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2720 2721 iwl_mvm_bt_coex_vif_change(mvm); 2722 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2723 IEEE80211_SMPS_AUTOMATIC); 2724 if (fw_has_capa(&mvm->fw->ucode_capa, 2725 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2726 iwl_mvm_config_scan(mvm); 2727 } 2728 2729 /* Execute the common part for MLD and non-MLD modes */ 2730 void 2731 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2732 struct ieee80211_vif *vif, 2733 struct ieee80211_bss_conf *link_conf, 2734 u64 changes) 2735 { 2736 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2737 int ret; 2738 2739 if (changes & BSS_CHANGED_BEACON_INFO) { 2740 /* We received a beacon from the associated AP so 2741 * remove the session protection. 2742 */ 2743 iwl_mvm_stop_session_protection(mvm, vif); 2744 2745 iwl_mvm_sf_update(mvm, vif, false); 2746 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2747 } 2748 2749 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2750 /* Send power command on every beacon change, 2751 * because we may have not enabled beacon abort yet. 2752 */ 2753 BSS_CHANGED_BEACON_INFO)) { 2754 ret = iwl_mvm_power_update_mac(mvm); 2755 if (ret) 2756 IWL_ERR(mvm, "failed to update power mode\n"); 2757 } 2758 2759 if (changes & BSS_CHANGED_CQM) { 2760 struct iwl_mvm_vif_link_info *link_info = 2761 mvmvif->link[link_conf->link_id]; 2762 2763 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2764 if (link_info) 2765 link_info->bf_data.last_cqm_event = 0; 2766 2767 if (mvmvif->bf_enabled) { 2768 /* FIXME: need to update per link when FW API will 2769 * support it 2770 */ 2771 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2772 if (ret) 2773 IWL_ERR(mvm, 2774 "failed to update CQM thresholds\n"); 2775 } 2776 } 2777 2778 if (changes & BSS_CHANGED_BANDWIDTH) 2779 iwl_mvm_update_link_smps(vif, link_conf); 2780 } 2781 2782 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2783 struct ieee80211_vif *vif, 2784 struct ieee80211_bss_conf *bss_conf, 2785 u64 changes) 2786 { 2787 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2788 int ret; 2789 int i; 2790 2791 /* 2792 * Re-calculate the tsf id, as the leader-follower relations depend 2793 * on the beacon interval, which was not known when the station 2794 * interface was added. 2795 */ 2796 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2797 if ((vif->bss_conf.he_support && 2798 !iwlwifi_mod_params.disable_11ax)) 2799 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2800 2801 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2802 } 2803 2804 /* Update MU EDCA params */ 2805 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2806 vif->cfg.assoc && 2807 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2808 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2809 2810 /* 2811 * If we're not associated yet, take the (new) BSSID before associating 2812 * so the firmware knows. If we're already associated, then use the old 2813 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2814 * branch for disassociation below. 2815 */ 2816 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2817 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2818 2819 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2820 if (ret) 2821 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2822 2823 /* after sending it once, adopt mac80211 data */ 2824 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2825 mvmvif->associated = vif->cfg.assoc; 2826 2827 if (changes & BSS_CHANGED_ASSOC) { 2828 if (vif->cfg.assoc) { 2829 /* clear statistics to get clean beacon counter */ 2830 iwl_mvm_request_statistics(mvm, true); 2831 for_each_mvm_vif_valid_link(mvmvif, i) 2832 memset(&mvmvif->link[i]->beacon_stats, 0, 2833 sizeof(mvmvif->link[i]->beacon_stats)); 2834 2835 /* add quota for this interface */ 2836 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2837 if (ret) { 2838 IWL_ERR(mvm, "failed to update quotas\n"); 2839 return; 2840 } 2841 2842 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2843 &mvm->status) && 2844 !fw_has_capa(&mvm->fw->ucode_capa, 2845 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2846 /* 2847 * If we're restarting then the firmware will 2848 * obviously have lost synchronisation with 2849 * the AP. It will attempt to synchronise by 2850 * itself, but we can make it more reliable by 2851 * scheduling a session protection time event. 2852 * 2853 * The firmware needs to receive a beacon to 2854 * catch up with synchronisation, use 110% of 2855 * the beacon interval. 2856 * 2857 * Set a large maximum delay to allow for more 2858 * than a single interface. 2859 * 2860 * For new firmware versions, rely on the 2861 * firmware. This is relevant for DCM scenarios 2862 * only anyway. 2863 */ 2864 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2865 iwl_mvm_protect_session(mvm, vif, dur, dur, 2866 5 * dur, false); 2867 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2868 &mvm->status) && 2869 !vif->bss_conf.dtim_period) { 2870 /* 2871 * If we're not restarting and still haven't 2872 * heard a beacon (dtim period unknown) then 2873 * make sure we still have enough minimum time 2874 * remaining in the time event, since the auth 2875 * might actually have taken quite a while 2876 * (especially for SAE) and so the remaining 2877 * time could be small without us having heard 2878 * a beacon yet. 2879 */ 2880 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2881 } 2882 2883 iwl_mvm_sf_update(mvm, vif, false); 2884 iwl_mvm_power_vif_assoc(mvm, vif); 2885 if (vif->p2p) { 2886 iwl_mvm_update_smps(mvm, vif, 2887 IWL_MVM_SMPS_REQ_PROT, 2888 IEEE80211_SMPS_DYNAMIC, 0); 2889 } 2890 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2891 iwl_mvm_mei_host_disassociated(mvm); 2892 /* 2893 * If update fails - SF might be running in associated 2894 * mode while disassociated - which is forbidden. 2895 */ 2896 ret = iwl_mvm_sf_update(mvm, vif, false); 2897 WARN_ONCE(ret && 2898 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2899 &mvm->status), 2900 "Failed to update SF upon disassociation\n"); 2901 2902 /* 2903 * If we get an assert during the connection (after the 2904 * station has been added, but before the vif is set 2905 * to associated), mac80211 will re-add the station and 2906 * then configure the vif. Since the vif is not 2907 * associated, we would remove the station here and 2908 * this would fail the recovery. 2909 */ 2910 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2911 &mvm->status)) { 2912 /* first remove remaining keys */ 2913 iwl_mvm_sec_key_remove_ap(mvm, vif, 2914 &mvmvif->deflink, 0); 2915 2916 /* 2917 * Remove AP station now that 2918 * the MAC is unassoc 2919 */ 2920 ret = iwl_mvm_rm_sta_id(mvm, vif, 2921 mvmvif->deflink.ap_sta_id); 2922 if (ret) 2923 IWL_ERR(mvm, 2924 "failed to remove AP station\n"); 2925 2926 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2927 } 2928 2929 /* remove quota for this interface */ 2930 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2931 if (ret) 2932 IWL_ERR(mvm, "failed to update quotas\n"); 2933 2934 /* this will take the cleared BSSID from bss_conf */ 2935 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2936 if (ret) 2937 IWL_ERR(mvm, 2938 "failed to update MAC %pM (clear after unassoc)\n", 2939 vif->addr); 2940 } 2941 2942 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2943 } 2944 2945 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2946 changes); 2947 } 2948 2949 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2950 struct ieee80211_vif *vif, 2951 int *ret) 2952 { 2953 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2954 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2955 int i; 2956 2957 lockdep_assert_held(&mvm->mutex); 2958 2959 mvmvif->ap_assoc_sta_count = 0; 2960 2961 /* must be set before quota calculations */ 2962 mvmvif->ap_ibss_active = true; 2963 2964 /* send all the early keys to the device now */ 2965 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2966 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2967 2968 if (!key) 2969 continue; 2970 2971 mvmvif->ap_early_keys[i] = NULL; 2972 2973 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2974 if (*ret) 2975 return true; 2976 } 2977 2978 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2979 iwl_mvm_vif_set_low_latency(mvmvif, true, 2980 LOW_LATENCY_VIF_TYPE); 2981 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 2982 } 2983 2984 /* power updated needs to be done before quotas */ 2985 iwl_mvm_power_update_mac(mvm); 2986 2987 return false; 2988 } 2989 2990 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2991 struct ieee80211_vif *vif, 2992 struct ieee80211_bss_conf *link_conf) 2993 { 2994 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2995 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2996 int ret; 2997 2998 mutex_lock(&mvm->mutex); 2999 3000 /* 3001 * Re-calculate the tsf id, as the leader-follower relations depend on 3002 * the beacon interval, which was not known when the AP interface 3003 * was added. 3004 */ 3005 if (vif->type == NL80211_IFTYPE_AP) 3006 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3007 3008 /* For older devices need to send beacon template before adding mac 3009 * context. For the newer, the beacon is a resource that belongs to a 3010 * MAC, so need to send beacon template after adding the mac. 3011 */ 3012 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3013 /* Add the mac context */ 3014 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3015 if (ret) 3016 goto out_unlock; 3017 3018 /* Send the beacon template */ 3019 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3020 if (ret) 3021 goto out_unlock; 3022 } else { 3023 /* Send the beacon template */ 3024 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3025 if (ret) 3026 goto out_unlock; 3027 3028 /* Add the mac context */ 3029 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3030 if (ret) 3031 goto out_unlock; 3032 } 3033 3034 /* Perform the binding */ 3035 ret = iwl_mvm_binding_add_vif(mvm, vif); 3036 if (ret) 3037 goto out_remove; 3038 3039 /* 3040 * This is not very nice, but the simplest: 3041 * For older FWs adding the mcast sta before the bcast station may 3042 * cause assert 0x2b00. 3043 * This is fixed in later FW so make the order of removal depend on 3044 * the TLV 3045 */ 3046 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3047 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3048 if (ret) 3049 goto out_unbind; 3050 /* 3051 * Send the bcast station. At this stage the TBTT and DTIM time 3052 * events are added and applied to the scheduler 3053 */ 3054 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3055 if (ret) { 3056 iwl_mvm_rm_mcast_sta(mvm, vif); 3057 goto out_unbind; 3058 } 3059 } else { 3060 /* 3061 * Send the bcast station. At this stage the TBTT and DTIM time 3062 * events are added and applied to the scheduler 3063 */ 3064 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3065 if (ret) 3066 goto out_unbind; 3067 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3068 if (ret) { 3069 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3070 goto out_unbind; 3071 } 3072 } 3073 3074 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3075 goto out_failed; 3076 3077 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3078 if (ret) 3079 goto out_failed; 3080 3081 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3082 if (vif->p2p && mvm->p2p_device_vif) 3083 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3084 3085 iwl_mvm_bt_coex_vif_change(mvm); 3086 3087 /* we don't support TDLS during DCM */ 3088 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3089 iwl_mvm_teardown_tdls_peers(mvm); 3090 3091 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3092 3093 goto out_unlock; 3094 3095 out_failed: 3096 iwl_mvm_power_update_mac(mvm); 3097 mvmvif->ap_ibss_active = false; 3098 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3099 iwl_mvm_rm_mcast_sta(mvm, vif); 3100 out_unbind: 3101 iwl_mvm_binding_remove_vif(mvm, vif); 3102 out_remove: 3103 iwl_mvm_mac_ctxt_remove(mvm, vif); 3104 out_unlock: 3105 mutex_unlock(&mvm->mutex); 3106 return ret; 3107 } 3108 3109 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3110 struct ieee80211_vif *vif, 3111 struct ieee80211_bss_conf *link_conf) 3112 { 3113 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3114 } 3115 3116 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3117 struct ieee80211_vif *vif) 3118 { 3119 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3120 } 3121 3122 /* Common part for MLD and non-MLD ops */ 3123 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3124 struct ieee80211_vif *vif) 3125 { 3126 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3127 3128 lockdep_assert_held(&mvm->mutex); 3129 3130 iwl_mvm_prepare_mac_removal(mvm, vif); 3131 3132 /* Handle AP stop while in CSA */ 3133 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3134 iwl_mvm_remove_time_event(mvm, mvmvif, 3135 &mvmvif->time_event_data); 3136 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3137 mvmvif->csa_countdown = false; 3138 } 3139 3140 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3141 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3142 mvm->csa_tx_block_bcn_timeout = 0; 3143 } 3144 3145 mvmvif->ap_ibss_active = false; 3146 mvm->ap_last_beacon_gp2 = 0; 3147 3148 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3149 iwl_mvm_vif_set_low_latency(mvmvif, false, 3150 LOW_LATENCY_VIF_TYPE); 3151 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3152 } 3153 3154 iwl_mvm_bt_coex_vif_change(mvm); 3155 } 3156 3157 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3158 struct ieee80211_vif *vif, 3159 struct ieee80211_bss_conf *link_conf) 3160 { 3161 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3162 3163 mutex_lock(&mvm->mutex); 3164 3165 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3166 3167 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3168 if (vif->p2p && mvm->p2p_device_vif) 3169 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3170 3171 iwl_mvm_update_quotas(mvm, false, NULL); 3172 3173 iwl_mvm_ftm_responder_clear(mvm, vif); 3174 3175 /* 3176 * This is not very nice, but the simplest: 3177 * For older FWs removing the mcast sta before the bcast station may 3178 * cause assert 0x2b00. 3179 * This is fixed in later FW (which will stop beaconing when removing 3180 * bcast station). 3181 * So make the order of removal depend on the TLV 3182 */ 3183 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3184 iwl_mvm_rm_mcast_sta(mvm, vif); 3185 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3186 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3187 iwl_mvm_rm_mcast_sta(mvm, vif); 3188 iwl_mvm_binding_remove_vif(mvm, vif); 3189 3190 iwl_mvm_power_update_mac(mvm); 3191 3192 iwl_mvm_mac_ctxt_remove(mvm, vif); 3193 3194 mutex_unlock(&mvm->mutex); 3195 } 3196 3197 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3198 struct ieee80211_vif *vif, 3199 struct ieee80211_bss_conf *link_conf) 3200 { 3201 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3202 } 3203 3204 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3205 struct ieee80211_vif *vif) 3206 { 3207 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3208 } 3209 3210 static void 3211 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3212 struct ieee80211_vif *vif, 3213 struct ieee80211_bss_conf *bss_conf, 3214 u64 changes) 3215 { 3216 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3217 3218 /* Changes will be applied when the AP/IBSS is started */ 3219 if (!mvmvif->ap_ibss_active) 3220 return; 3221 3222 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3223 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3224 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3225 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3226 3227 /* Need to send a new beacon template to the FW */ 3228 if (changes & BSS_CHANGED_BEACON && 3229 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3230 IWL_WARN(mvm, "Failed updating beacon data\n"); 3231 3232 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3233 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3234 3235 if (ret) 3236 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3237 ret); 3238 } 3239 3240 } 3241 3242 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3243 struct ieee80211_vif *vif, 3244 struct ieee80211_bss_conf *bss_conf, 3245 u64 changes) 3246 { 3247 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3248 3249 mutex_lock(&mvm->mutex); 3250 3251 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3252 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3253 3254 switch (vif->type) { 3255 case NL80211_IFTYPE_STATION: 3256 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3257 break; 3258 case NL80211_IFTYPE_AP: 3259 case NL80211_IFTYPE_ADHOC: 3260 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3261 break; 3262 case NL80211_IFTYPE_MONITOR: 3263 if (changes & BSS_CHANGED_MU_GROUPS) 3264 iwl_mvm_update_mu_groups(mvm, vif); 3265 break; 3266 default: 3267 /* shouldn't happen */ 3268 WARN_ON_ONCE(1); 3269 } 3270 3271 if (changes & BSS_CHANGED_TXPOWER) { 3272 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3273 bss_conf->txpower); 3274 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3275 } 3276 3277 mutex_unlock(&mvm->mutex); 3278 } 3279 3280 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3281 struct ieee80211_scan_request *hw_req) 3282 { 3283 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3284 int ret; 3285 3286 if (hw_req->req.n_channels == 0 || 3287 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3288 return -EINVAL; 3289 3290 mutex_lock(&mvm->mutex); 3291 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3292 mutex_unlock(&mvm->mutex); 3293 3294 return ret; 3295 } 3296 3297 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3298 struct ieee80211_vif *vif) 3299 { 3300 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3301 3302 mutex_lock(&mvm->mutex); 3303 3304 /* Due to a race condition, it's possible that mac80211 asks 3305 * us to stop a hw_scan when it's already stopped. This can 3306 * happen, for instance, if we stopped the scan ourselves, 3307 * called ieee80211_scan_completed() and the userspace called 3308 * cancel scan scan before ieee80211_scan_work() could run. 3309 * To handle that, simply return if the scan is not running. 3310 */ 3311 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3312 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3313 3314 mutex_unlock(&mvm->mutex); 3315 } 3316 3317 void 3318 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3319 struct ieee80211_sta *sta, u16 tids, 3320 int num_frames, 3321 enum ieee80211_frame_release_type reason, 3322 bool more_data) 3323 { 3324 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3325 3326 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3327 3328 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3329 tids, more_data, false); 3330 } 3331 3332 void 3333 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3334 struct ieee80211_sta *sta, u16 tids, 3335 int num_frames, 3336 enum ieee80211_frame_release_type reason, 3337 bool more_data) 3338 { 3339 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3340 3341 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3342 3343 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3344 tids, more_data, true); 3345 } 3346 3347 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3348 enum sta_notify_cmd cmd, 3349 struct ieee80211_sta *sta) 3350 { 3351 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3352 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3353 unsigned long txqs = 0, tids = 0; 3354 int tid; 3355 3356 /* 3357 * If we have TVQM then we get too high queue numbers - luckily 3358 * we really shouldn't get here with that because such hardware 3359 * should have firmware supporting buffer station offload. 3360 */ 3361 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3362 return; 3363 3364 spin_lock_bh(&mvmsta->lock); 3365 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3366 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3367 3368 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3369 continue; 3370 3371 __set_bit(tid_data->txq_id, &txqs); 3372 3373 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3374 continue; 3375 3376 __set_bit(tid, &tids); 3377 } 3378 3379 switch (cmd) { 3380 case STA_NOTIFY_SLEEP: 3381 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3382 ieee80211_sta_set_buffered(sta, tid, true); 3383 3384 if (txqs) 3385 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3386 /* 3387 * The fw updates the STA to be asleep. Tx packets on the Tx 3388 * queues to this station will not be transmitted. The fw will 3389 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3390 */ 3391 break; 3392 case STA_NOTIFY_AWAKE: 3393 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3394 break; 3395 3396 if (txqs) 3397 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3398 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3399 break; 3400 default: 3401 break; 3402 } 3403 spin_unlock_bh(&mvmsta->lock); 3404 } 3405 3406 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3407 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3408 { 3409 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3410 } 3411 3412 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3413 { 3414 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3415 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3416 struct ieee80211_sta *sta; 3417 struct iwl_mvm_sta *mvmsta; 3418 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3419 3420 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3421 return; 3422 3423 rcu_read_lock(); 3424 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3425 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3426 rcu_read_unlock(); 3427 return; 3428 } 3429 3430 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3431 3432 if (!mvmsta->vif || 3433 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3434 rcu_read_unlock(); 3435 return; 3436 } 3437 3438 if (mvmsta->sleeping != sleeping) { 3439 mvmsta->sleeping = sleeping; 3440 __iwl_mvm_mac_sta_notify(mvm->hw, 3441 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3442 sta); 3443 ieee80211_sta_ps_transition(sta, sleeping); 3444 } 3445 3446 if (sleeping) { 3447 switch (notif->type) { 3448 case IWL_MVM_PM_EVENT_AWAKE: 3449 case IWL_MVM_PM_EVENT_ASLEEP: 3450 break; 3451 case IWL_MVM_PM_EVENT_UAPSD: 3452 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3453 break; 3454 case IWL_MVM_PM_EVENT_PS_POLL: 3455 ieee80211_sta_pspoll(sta); 3456 break; 3457 default: 3458 break; 3459 } 3460 } 3461 3462 rcu_read_unlock(); 3463 } 3464 3465 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3466 struct ieee80211_vif *vif, 3467 struct ieee80211_sta *sta) 3468 { 3469 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3470 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3471 unsigned int link_id; 3472 3473 /* 3474 * This is called before mac80211 does RCU synchronisation, 3475 * so here we already invalidate our internal RCU-protected 3476 * station pointer. The rest of the code will thus no longer 3477 * be able to find the station this way, and we don't rely 3478 * on further RCU synchronisation after the sta_state() 3479 * callback deleted the station. 3480 * Since there's mvm->mutex here, no need to have RCU lock for 3481 * mvm_sta->link access. 3482 */ 3483 mutex_lock(&mvm->mutex); 3484 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3485 struct iwl_mvm_link_sta *link_sta; 3486 u32 sta_id; 3487 3488 if (!mvm_sta->link[link_id]) 3489 continue; 3490 3491 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3492 lockdep_is_held(&mvm->mutex)); 3493 sta_id = link_sta->sta_id; 3494 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3495 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3496 ERR_PTR(-ENOENT)); 3497 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3498 } 3499 } 3500 mutex_unlock(&mvm->mutex); 3501 } 3502 3503 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3504 const u8 *bssid) 3505 { 3506 int i; 3507 3508 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3509 struct iwl_mvm_tcm_mac *mdata; 3510 3511 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3512 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3513 mdata->opened_rx_ba_sessions = false; 3514 } 3515 3516 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3517 return; 3518 3519 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3520 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3521 return; 3522 } 3523 3524 if (!vif->p2p && 3525 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3526 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3527 return; 3528 } 3529 3530 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3531 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3532 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3533 return; 3534 } 3535 } 3536 3537 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3538 } 3539 3540 static void 3541 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3542 struct ieee80211_vif *vif, u8 *peer_addr, 3543 enum nl80211_tdls_operation action) 3544 { 3545 struct iwl_fw_dbg_trigger_tlv *trig; 3546 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3547 3548 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3549 FW_DBG_TRIGGER_TDLS); 3550 if (!trig) 3551 return; 3552 3553 tdls_trig = (void *)trig->data; 3554 3555 if (!(tdls_trig->action_bitmap & BIT(action))) 3556 return; 3557 3558 if (tdls_trig->peer_mode && 3559 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3560 return; 3561 3562 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3563 "TDLS event occurred, peer %pM, action %d", 3564 peer_addr, action); 3565 } 3566 3567 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3568 bool tolerated; 3569 }; 3570 3571 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3572 struct cfg80211_bss *bss, 3573 void *_data) 3574 { 3575 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3576 const struct cfg80211_bss_ies *ies; 3577 const struct element *elem; 3578 3579 rcu_read_lock(); 3580 ies = rcu_dereference(bss->ies); 3581 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3582 ies->len); 3583 3584 if (!elem || elem->datalen < 10 || 3585 !(elem->data[10] & 3586 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3587 data->tolerated = false; 3588 } 3589 rcu_read_unlock(); 3590 } 3591 3592 static void 3593 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3594 struct ieee80211_vif *vif, 3595 unsigned int link_id, 3596 struct ieee80211_bss_conf *link_conf) 3597 { 3598 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3599 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3600 .tolerated = true, 3601 }; 3602 3603 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3604 !mvmvif->link[link_id])) 3605 return; 3606 3607 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3608 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3609 return; 3610 } 3611 3612 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3613 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3614 &iter_data); 3615 3616 /* 3617 * If there is at least one AP on radar channel that cannot 3618 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3619 */ 3620 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3621 } 3622 3623 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3624 struct ieee80211_vif *vif) 3625 { 3626 struct ieee80211_supported_band *sband; 3627 const struct ieee80211_sta_he_cap *he_cap; 3628 3629 if (vif->type != NL80211_IFTYPE_STATION) 3630 return; 3631 3632 if (!mvm->cca_40mhz_workaround) 3633 return; 3634 3635 /* decrement and check that we reached zero */ 3636 mvm->cca_40mhz_workaround--; 3637 if (mvm->cca_40mhz_workaround) 3638 return; 3639 3640 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3641 3642 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3643 3644 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3645 3646 if (he_cap) { 3647 /* we know that ours is writable */ 3648 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3649 3650 he->he_cap_elem.phy_cap_info[0] |= 3651 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3652 } 3653 } 3654 3655 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3656 struct ieee80211_vif *vif, 3657 struct iwl_mvm_sta *mvm_sta) 3658 { 3659 #if IS_ENABLED(CONFIG_IWLMEI) 3660 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3661 struct iwl_mei_conn_info conn_info = { 3662 .ssid_len = vif->cfg.ssid_len, 3663 }; 3664 3665 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3666 return; 3667 3668 if (!mvm->mei_registered) 3669 return; 3670 3671 /* FIXME: MEI needs to be updated for MLO */ 3672 if (!vif->bss_conf.chanreq.oper.chan) 3673 return; 3674 3675 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3676 3677 switch (mvm_sta->pairwise_cipher) { 3678 case WLAN_CIPHER_SUITE_TKIP: 3679 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3680 break; 3681 case WLAN_CIPHER_SUITE_CCMP: 3682 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3683 break; 3684 case WLAN_CIPHER_SUITE_GCMP: 3685 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3686 break; 3687 case WLAN_CIPHER_SUITE_GCMP_256: 3688 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3689 break; 3690 case 0: 3691 /* open profile */ 3692 break; 3693 default: 3694 /* cipher not supported, don't send anything to iwlmei */ 3695 return; 3696 } 3697 3698 switch (mvmvif->rekey_data.akm) { 3699 case WLAN_AKM_SUITE_SAE & 0xff: 3700 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3701 break; 3702 case WLAN_AKM_SUITE_PSK & 0xff: 3703 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3704 break; 3705 case WLAN_AKM_SUITE_8021X & 0xff: 3706 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3707 break; 3708 case 0: 3709 /* open profile */ 3710 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3711 break; 3712 default: 3713 /* auth method / AKM not supported */ 3714 /* TODO: All the FT vesions of these? */ 3715 return; 3716 } 3717 3718 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3719 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3720 3721 /* TODO: add support for collocated AP data */ 3722 iwl_mei_host_associated(&conn_info, NULL); 3723 #endif 3724 } 3725 3726 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3727 struct ieee80211_vif *vif, 3728 bool force_assoc_off) 3729 { 3730 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3731 } 3732 3733 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3734 struct ieee80211_vif *vif, 3735 struct ieee80211_sta *sta, 3736 enum ieee80211_sta_state old_state, 3737 enum ieee80211_sta_state new_state) 3738 { 3739 static const struct iwl_mvm_sta_state_ops callbacks = { 3740 .add_sta = iwl_mvm_add_sta, 3741 .update_sta = iwl_mvm_update_sta, 3742 .rm_sta = iwl_mvm_rm_sta, 3743 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3744 }; 3745 3746 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3747 &callbacks); 3748 } 3749 3750 /* FIXME: temporary making two assumptions in all sta handling functions: 3751 * (1) when setting sta state, the link exists and protected 3752 * (2) if a link is valid in sta then it's valid in vif (can 3753 * use same index in the link array) 3754 */ 3755 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3756 struct ieee80211_vif *vif, 3757 struct ieee80211_sta *sta) 3758 { 3759 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3760 unsigned int link_id; 3761 3762 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3763 struct ieee80211_bss_conf *conf = 3764 link_conf_dereference_check(vif, link_id); 3765 struct ieee80211_link_sta *link_sta = 3766 link_sta_dereference_check(sta, link_id); 3767 3768 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3769 continue; 3770 3771 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3772 mvmvif->link[link_id]->phy_ctxt->channel->band); 3773 } 3774 } 3775 3776 #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16 3777 3778 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3779 struct ieee80211_vif *vif, 3780 struct ieee80211_sta *sta) 3781 { 3782 struct ieee80211_link_sta *link_sta; 3783 unsigned int link_id; 3784 3785 /* Beacon interval check - firmware will crash if the beacon 3786 * interval is less than 16. We can't avoid connecting at all, 3787 * so refuse the station state change, this will cause mac80211 3788 * to abandon attempts to connect to this AP, and eventually 3789 * wpa_s will blocklist the AP... 3790 */ 3791 3792 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3793 struct ieee80211_bss_conf *link_conf = 3794 link_conf_dereference_protected(vif, link_id); 3795 3796 if (!link_conf) 3797 continue; 3798 3799 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3800 IWL_ERR(mvm, 3801 "Beacon interval %d for AP %pM is too small\n", 3802 link_conf->beacon_int, link_sta->addr); 3803 return false; 3804 } 3805 3806 link_conf->he_support = link_sta->he_cap.has_he; 3807 } 3808 3809 return true; 3810 } 3811 3812 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3813 struct ieee80211_vif *vif, 3814 struct ieee80211_sta *sta, 3815 bool is_sta) 3816 { 3817 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3818 struct ieee80211_link_sta *link_sta; 3819 unsigned int link_id; 3820 3821 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3822 struct ieee80211_bss_conf *link_conf = 3823 link_conf_dereference_protected(vif, link_id); 3824 3825 if (!link_conf || !mvmvif->link[link_id]) 3826 continue; 3827 3828 link_conf->he_support = link_sta->he_cap.has_he; 3829 3830 if (is_sta) { 3831 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3832 if (link_sta->he_cap.has_he) 3833 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3834 link_id, 3835 link_conf); 3836 } 3837 } 3838 } 3839 3840 static int 3841 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3842 struct ieee80211_vif *vif, 3843 struct ieee80211_sta *sta, 3844 const struct iwl_mvm_sta_state_ops *callbacks) 3845 { 3846 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3847 struct ieee80211_link_sta *link_sta; 3848 unsigned int i; 3849 int ret; 3850 3851 lockdep_assert_held(&mvm->mutex); 3852 3853 if (vif->type == NL80211_IFTYPE_STATION && 3854 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3855 return -EINVAL; 3856 3857 if (sta->tdls && 3858 (vif->p2p || 3859 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3860 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3861 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3862 return -EBUSY; 3863 } 3864 3865 ret = callbacks->add_sta(mvm, vif, sta); 3866 if (sta->tdls && ret == 0) { 3867 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3868 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3869 NL80211_TDLS_SETUP); 3870 } 3871 3872 if (ret) 3873 return ret; 3874 3875 for_each_sta_active_link(vif, sta, link_sta, i) 3876 link_sta->agg.max_rc_amsdu_len = 1; 3877 3878 ieee80211_sta_recalc_aggregates(sta); 3879 3880 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3881 mvmvif->ap_sta = sta; 3882 3883 /* 3884 * Initialize the rates here already - this really tells 3885 * the firmware only what the supported legacy rates are 3886 * (may be) since it's initialized already from what the 3887 * AP advertised in the beacon/probe response. This will 3888 * allow the firmware to send auth/assoc frames with one 3889 * of the supported rates already, rather than having to 3890 * use a mandatory rate. 3891 * If we're the AP, we'll just assume mandatory rates at 3892 * this point, but we know nothing about the STA anyway. 3893 */ 3894 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3895 3896 return 0; 3897 } 3898 3899 static int 3900 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3901 struct iwl_mvm *mvm, 3902 struct ieee80211_vif *vif, 3903 struct ieee80211_sta *sta, 3904 const struct iwl_mvm_sta_state_ops *callbacks) 3905 { 3906 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3907 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3908 struct ieee80211_link_sta *link_sta; 3909 unsigned int link_id; 3910 3911 lockdep_assert_held(&mvm->mutex); 3912 3913 if (vif->type == NL80211_IFTYPE_AP) { 3914 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3915 mvmvif->ap_assoc_sta_count++; 3916 callbacks->mac_ctxt_changed(mvm, vif, false); 3917 3918 /* since the below is not for MLD API, it's ok to use 3919 * the default bss_conf 3920 */ 3921 if (!mvm->mld_api_is_used && 3922 (vif->bss_conf.he_support && 3923 !iwlwifi_mod_params.disable_11ax)) 3924 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3925 } else if (vif->type == NL80211_IFTYPE_STATION) { 3926 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3927 3928 callbacks->mac_ctxt_changed(mvm, vif, false); 3929 3930 if (!mvm->mld_api_is_used) 3931 goto out; 3932 3933 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3934 struct ieee80211_bss_conf *link_conf = 3935 link_conf_dereference_protected(vif, link_id); 3936 3937 if (WARN_ON(!link_conf)) 3938 return -EINVAL; 3939 if (!mvmvif->link[link_id]) 3940 continue; 3941 3942 iwl_mvm_link_changed(mvm, vif, link_conf, 3943 LINK_CONTEXT_MODIFY_ALL & 3944 ~LINK_CONTEXT_MODIFY_ACTIVE, 3945 true); 3946 } 3947 } 3948 3949 out: 3950 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3951 3952 return callbacks->update_sta(mvm, vif, sta); 3953 } 3954 3955 static int 3956 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3957 struct ieee80211_vif *vif, 3958 struct ieee80211_sta *sta, 3959 const struct iwl_mvm_sta_state_ops *callbacks) 3960 { 3961 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3962 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3963 3964 lockdep_assert_held(&mvm->mutex); 3965 3966 /* we don't support TDLS during DCM */ 3967 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3968 iwl_mvm_teardown_tdls_peers(mvm); 3969 3970 if (sta->tdls) { 3971 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3972 NL80211_TDLS_ENABLE_LINK); 3973 } else { 3974 /* enable beacon filtering */ 3975 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 3976 3977 mvmvif->authorized = 1; 3978 3979 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3980 mvmvif->link_selection_res = vif->active_links; 3981 mvmvif->link_selection_primary = 3982 vif->active_links ? __ffs(vif->active_links) : 0; 3983 } 3984 3985 callbacks->mac_ctxt_changed(mvm, vif, false); 3986 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 3987 3988 memset(&mvmvif->last_esr_exit, 0, 3989 sizeof(mvmvif->last_esr_exit)); 3990 3991 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 3992 3993 /* Block until FW notif will arrive */ 3994 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 3995 3996 /* when client is authorized (AP station marked as such), 3997 * try to enable the best link(s). 3998 */ 3999 if (vif->type == NL80211_IFTYPE_STATION && 4000 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4001 iwl_mvm_select_links(mvm, vif); 4002 } 4003 4004 mvm_sta->authorized = true; 4005 4006 /* MFP is set by default before the station is authorized. 4007 * Clear it here in case it's not used. 4008 */ 4009 if (!sta->mfp) { 4010 int ret = callbacks->update_sta(mvm, vif, sta); 4011 4012 if (ret) 4013 return ret; 4014 } 4015 4016 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4017 4018 return 0; 4019 } 4020 4021 static int 4022 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4023 struct ieee80211_vif *vif, 4024 struct ieee80211_sta *sta, 4025 const struct iwl_mvm_sta_state_ops *callbacks) 4026 { 4027 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4028 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4029 4030 lockdep_assert_held(&mvm->mutex); 4031 4032 mvmsta->authorized = false; 4033 4034 /* once we move into assoc state, need to update rate scale to 4035 * disable using wide bandwidth 4036 */ 4037 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4038 4039 if (!sta->tdls) { 4040 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4041 * yet to avoid sending high prio again for a little 4042 * time. 4043 */ 4044 mvmvif->authorized = 0; 4045 mvmvif->link_selection_res = 0; 4046 4047 /* disable beacon filtering */ 4048 iwl_mvm_disable_beacon_filter(mvm, vif); 4049 4050 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4051 &mvmvif->prevent_esr_done_wk); 4052 4053 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4054 &mvmvif->mlo_int_scan_wk); 4055 4056 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4057 4058 /* No need for the periodic statistics anymore */ 4059 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4060 iwl_mvm_request_periodic_system_statistics(mvm, false); 4061 } 4062 4063 return 0; 4064 } 4065 4066 /* Common part for MLD and non-MLD modes */ 4067 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4068 struct ieee80211_vif *vif, 4069 struct ieee80211_sta *sta, 4070 enum ieee80211_sta_state old_state, 4071 enum ieee80211_sta_state new_state, 4072 const struct iwl_mvm_sta_state_ops *callbacks) 4073 { 4074 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4075 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4076 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4077 struct ieee80211_link_sta *link_sta; 4078 unsigned int link_id; 4079 int ret; 4080 4081 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4082 sta->addr, old_state, new_state); 4083 4084 /* 4085 * If we are in a STA removal flow and in DQA mode: 4086 * 4087 * This is after the sync_rcu part, so the queues have already been 4088 * flushed. No more TXs on their way in mac80211's path, and no more in 4089 * the queues. 4090 * Also, we won't be getting any new TX frames for this station. 4091 * What we might have are deferred TX frames that need to be taken care 4092 * of. 4093 * 4094 * Drop any still-queued deferred-frame before removing the STA, and 4095 * make sure the worker is no longer handling frames for this STA. 4096 */ 4097 if (old_state == IEEE80211_STA_NONE && 4098 new_state == IEEE80211_STA_NOTEXIST) { 4099 flush_work(&mvm->add_stream_wk); 4100 4101 /* 4102 * No need to make sure deferred TX indication is off since the 4103 * worker will already remove it if it was on 4104 */ 4105 4106 /* 4107 * Additionally, reset the 40 MHz capability if we disconnected 4108 * from the AP now. 4109 */ 4110 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4111 4112 /* Also free dup data just in case any assertions below fail */ 4113 kfree(mvm_sta->dup_data); 4114 } 4115 4116 mutex_lock(&mvm->mutex); 4117 4118 /* this would be a mac80211 bug ... but don't crash, unless we had a 4119 * firmware crash while we were activating a link, in which case it is 4120 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4121 * recovery flow since we spit tons of error messages anyway. 4122 */ 4123 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4124 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4125 !mvmvif->link[link_id]->phy_ctxt)) { 4126 mutex_unlock(&mvm->mutex); 4127 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4128 &mvm->status) ? 0 : -EINVAL; 4129 } 4130 } 4131 4132 /* track whether or not the station is associated */ 4133 mvm_sta->sta_state = new_state; 4134 4135 if (old_state == IEEE80211_STA_NOTEXIST && 4136 new_state == IEEE80211_STA_NONE) { 4137 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4138 callbacks); 4139 if (ret < 0) 4140 goto out_unlock; 4141 } else if (old_state == IEEE80211_STA_NONE && 4142 new_state == IEEE80211_STA_AUTH) { 4143 /* 4144 * EBS may be disabled due to previous failures reported by FW. 4145 * Reset EBS status here assuming environment has been changed. 4146 */ 4147 mvm->last_ebs_successful = true; 4148 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4149 ret = 0; 4150 } else if (old_state == IEEE80211_STA_AUTH && 4151 new_state == IEEE80211_STA_ASSOC) { 4152 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4153 callbacks); 4154 } else if (old_state == IEEE80211_STA_ASSOC && 4155 new_state == IEEE80211_STA_AUTHORIZED) { 4156 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4157 callbacks); 4158 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4159 new_state == IEEE80211_STA_ASSOC) { 4160 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4161 callbacks); 4162 } else if (old_state == IEEE80211_STA_ASSOC && 4163 new_state == IEEE80211_STA_AUTH) { 4164 if (vif->type == NL80211_IFTYPE_AP) { 4165 mvmvif->ap_assoc_sta_count--; 4166 callbacks->mac_ctxt_changed(mvm, vif, false); 4167 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4168 iwl_mvm_stop_session_protection(mvm, vif); 4169 ret = 0; 4170 } else if (old_state == IEEE80211_STA_AUTH && 4171 new_state == IEEE80211_STA_NONE) { 4172 ret = 0; 4173 } else if (old_state == IEEE80211_STA_NONE && 4174 new_state == IEEE80211_STA_NOTEXIST) { 4175 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4176 iwl_mvm_stop_session_protection(mvm, vif); 4177 mvmvif->ap_sta = NULL; 4178 } 4179 ret = callbacks->rm_sta(mvm, vif, sta); 4180 if (sta->tdls) { 4181 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4182 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4183 NL80211_TDLS_DISABLE_LINK); 4184 } 4185 4186 if (unlikely(ret && 4187 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4188 &mvm->status))) 4189 ret = 0; 4190 } else { 4191 ret = -EIO; 4192 } 4193 out_unlock: 4194 mutex_unlock(&mvm->mutex); 4195 4196 if (sta->tdls && ret == 0) { 4197 if (old_state == IEEE80211_STA_NOTEXIST && 4198 new_state == IEEE80211_STA_NONE) 4199 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4200 else if (old_state == IEEE80211_STA_NONE && 4201 new_state == IEEE80211_STA_NOTEXIST) 4202 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4203 } 4204 4205 return ret; 4206 } 4207 4208 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4209 { 4210 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4211 4212 mvm->rts_threshold = value; 4213 4214 return 0; 4215 } 4216 4217 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4218 struct ieee80211_sta *sta, u32 changed) 4219 { 4220 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4221 4222 if (changed & (IEEE80211_RC_BW_CHANGED | 4223 IEEE80211_RC_SUPP_RATES_CHANGED | 4224 IEEE80211_RC_NSS_CHANGED)) 4225 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4226 4227 if (vif->type == NL80211_IFTYPE_STATION && 4228 changed & IEEE80211_RC_NSS_CHANGED) 4229 iwl_mvm_sf_update(mvm, vif, false); 4230 } 4231 4232 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4233 struct ieee80211_vif *vif, 4234 unsigned int link_id, u16 ac, 4235 const struct ieee80211_tx_queue_params *params) 4236 { 4237 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4238 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4239 4240 mvmvif->deflink.queue_params[ac] = *params; 4241 4242 /* 4243 * No need to update right away, we'll get BSS_CHANGED_QOS 4244 * The exception is P2P_DEVICE interface which needs immediate update. 4245 */ 4246 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4247 int ret; 4248 4249 mutex_lock(&mvm->mutex); 4250 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4251 mutex_unlock(&mvm->mutex); 4252 return ret; 4253 } 4254 return 0; 4255 } 4256 4257 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4258 struct ieee80211_vif *vif, 4259 struct ieee80211_prep_tx_info *info) 4260 { 4261 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4262 4263 mutex_lock(&mvm->mutex); 4264 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4265 mutex_unlock(&mvm->mutex); 4266 } 4267 4268 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4269 struct ieee80211_vif *vif, 4270 struct ieee80211_prep_tx_info *info) 4271 { 4272 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4273 4274 /* for successful cases (auth/assoc), don't cancel session protection */ 4275 if (info->success) 4276 return; 4277 4278 mutex_lock(&mvm->mutex); 4279 iwl_mvm_stop_session_protection(mvm, vif); 4280 mutex_unlock(&mvm->mutex); 4281 } 4282 4283 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4284 struct ieee80211_vif *vif, 4285 struct cfg80211_sched_scan_request *req, 4286 struct ieee80211_scan_ies *ies) 4287 { 4288 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4289 4290 int ret; 4291 4292 mutex_lock(&mvm->mutex); 4293 4294 if (!vif->cfg.idle) { 4295 ret = -EBUSY; 4296 goto out; 4297 } 4298 4299 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4300 4301 out: 4302 mutex_unlock(&mvm->mutex); 4303 return ret; 4304 } 4305 4306 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4307 struct ieee80211_vif *vif) 4308 { 4309 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4310 int ret; 4311 4312 mutex_lock(&mvm->mutex); 4313 4314 /* Due to a race condition, it's possible that mac80211 asks 4315 * us to stop a sched_scan when it's already stopped. This 4316 * can happen, for instance, if we stopped the scan ourselves, 4317 * called ieee80211_sched_scan_stopped() and the userspace called 4318 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4319 * could run. To handle this, simply return if the scan is 4320 * not running. 4321 */ 4322 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4323 mutex_unlock(&mvm->mutex); 4324 return 0; 4325 } 4326 4327 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4328 mutex_unlock(&mvm->mutex); 4329 iwl_mvm_wait_for_async_handlers(mvm); 4330 4331 return ret; 4332 } 4333 4334 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4335 enum set_key_cmd cmd, 4336 struct ieee80211_vif *vif, 4337 struct ieee80211_sta *sta, 4338 struct ieee80211_key_conf *key) 4339 { 4340 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4341 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4342 struct iwl_mvm_sta *mvmsta = NULL; 4343 struct iwl_mvm_key_pn *ptk_pn = NULL; 4344 int keyidx = key->keyidx; 4345 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4346 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4347 int ret, i; 4348 u8 key_offset; 4349 4350 if (sta) 4351 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4352 4353 switch (key->cipher) { 4354 case WLAN_CIPHER_SUITE_TKIP: 4355 if (!mvm->trans->trans_cfg->gen2) { 4356 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4357 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4358 } else if (vif->type == NL80211_IFTYPE_STATION) { 4359 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4360 } else { 4361 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4362 return -EOPNOTSUPP; 4363 } 4364 break; 4365 case WLAN_CIPHER_SUITE_CCMP: 4366 case WLAN_CIPHER_SUITE_GCMP: 4367 case WLAN_CIPHER_SUITE_GCMP_256: 4368 if (!iwl_mvm_has_new_tx_api(mvm)) 4369 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4370 break; 4371 case WLAN_CIPHER_SUITE_AES_CMAC: 4372 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4373 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4374 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4375 break; 4376 case WLAN_CIPHER_SUITE_WEP40: 4377 case WLAN_CIPHER_SUITE_WEP104: 4378 if (vif->type == NL80211_IFTYPE_STATION) 4379 break; 4380 if (iwl_mvm_has_new_tx_api(mvm)) 4381 return -EOPNOTSUPP; 4382 /* support HW crypto on TX */ 4383 return 0; 4384 default: 4385 return -EOPNOTSUPP; 4386 } 4387 4388 switch (cmd) { 4389 case SET_KEY: 4390 if (vif->type == NL80211_IFTYPE_STATION && 4391 (keyidx == 6 || keyidx == 7)) 4392 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4393 key); 4394 4395 if ((vif->type == NL80211_IFTYPE_ADHOC || 4396 vif->type == NL80211_IFTYPE_AP) && !sta) { 4397 /* 4398 * GTK on AP interface is a TX-only key, return 0; 4399 * on IBSS they're per-station and because we're lazy 4400 * we don't support them for RX, so do the same. 4401 * CMAC/GMAC in AP/IBSS modes must be done in software 4402 * on older NICs. 4403 * 4404 * Except, of course, beacon protection - it must be 4405 * offloaded since we just set a beacon template, and 4406 * then we must also offload the IGTK (not just BIGTK) 4407 * for firmware reasons. 4408 * 4409 * So just check for beacon protection - if we don't 4410 * have it we cannot get here with keyidx >= 6, and 4411 * if we do have it we need to send the key to FW in 4412 * all cases (CMAC/GMAC). 4413 */ 4414 if (!wiphy_ext_feature_isset(hw->wiphy, 4415 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4416 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4417 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4418 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4419 ret = -EOPNOTSUPP; 4420 break; 4421 } 4422 4423 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4424 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4425 !iwl_mvm_has_new_tx_api(mvm)) { 4426 key->hw_key_idx = STA_KEY_IDX_INVALID; 4427 ret = 0; 4428 break; 4429 } 4430 4431 if (!mvmvif->ap_ibss_active) { 4432 for (i = 0; 4433 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4434 i++) { 4435 if (!mvmvif->ap_early_keys[i]) { 4436 mvmvif->ap_early_keys[i] = key; 4437 break; 4438 } 4439 } 4440 4441 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4442 ret = -ENOSPC; 4443 else 4444 ret = 0; 4445 4446 break; 4447 } 4448 } 4449 4450 /* During FW restart, in order to restore the state as it was, 4451 * don't try to reprogram keys we previously failed for. 4452 */ 4453 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4454 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4455 IWL_DEBUG_MAC80211(mvm, 4456 "skip invalid idx key programming during restart\n"); 4457 ret = 0; 4458 break; 4459 } 4460 4461 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4462 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4463 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4464 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4465 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4466 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4467 struct ieee80211_key_seq seq; 4468 int tid, q; 4469 4470 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4471 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4472 mvm->trans->num_rx_queues), 4473 GFP_KERNEL); 4474 if (!ptk_pn) { 4475 ret = -ENOMEM; 4476 break; 4477 } 4478 4479 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4480 ieee80211_get_key_rx_seq(key, tid, &seq); 4481 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4482 memcpy(ptk_pn->q[q].pn[tid], 4483 seq.ccmp.pn, 4484 IEEE80211_CCMP_PN_LEN); 4485 } 4486 4487 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4488 } 4489 4490 /* in HW restart reuse the index, otherwise request a new one */ 4491 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4492 key_offset = key->hw_key_idx; 4493 else 4494 key_offset = STA_KEY_IDX_INVALID; 4495 4496 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4497 mvmsta->pairwise_cipher = key->cipher; 4498 4499 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4500 sta ? sta->addr : NULL, key->keyidx); 4501 4502 if (sec_key_ver) 4503 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4504 else 4505 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4506 4507 if (ret) { 4508 IWL_WARN(mvm, "set key failed\n"); 4509 key->hw_key_idx = STA_KEY_IDX_INVALID; 4510 if (ptk_pn) { 4511 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4512 kfree(ptk_pn); 4513 } 4514 /* 4515 * can't add key for RX, but we don't need it 4516 * in the device for TX so still return 0, 4517 * unless we have new TX API where we cannot 4518 * put key material into the TX_CMD 4519 */ 4520 if (iwl_mvm_has_new_tx_api(mvm)) 4521 ret = -EOPNOTSUPP; 4522 else 4523 ret = 0; 4524 } 4525 4526 break; 4527 case DISABLE_KEY: 4528 if (vif->type == NL80211_IFTYPE_STATION && 4529 (keyidx == 6 || keyidx == 7)) 4530 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4531 NULL); 4532 4533 ret = -ENOENT; 4534 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4535 if (mvmvif->ap_early_keys[i] == key) { 4536 mvmvif->ap_early_keys[i] = NULL; 4537 ret = 0; 4538 } 4539 } 4540 4541 /* found in pending list - don't do anything else */ 4542 if (ret == 0) 4543 break; 4544 4545 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4546 ret = 0; 4547 break; 4548 } 4549 4550 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4551 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4552 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4553 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4554 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4555 ptk_pn = rcu_dereference_protected( 4556 mvmsta->ptk_pn[keyidx], 4557 lockdep_is_held(&mvm->mutex)); 4558 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4559 if (ptk_pn) 4560 kfree_rcu(ptk_pn, rcu_head); 4561 } 4562 4563 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4564 if (sec_key_ver) 4565 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4566 else 4567 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4568 break; 4569 default: 4570 ret = -EINVAL; 4571 } 4572 4573 return ret; 4574 } 4575 4576 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4577 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4578 struct ieee80211_key_conf *key) 4579 { 4580 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4581 int ret; 4582 4583 mutex_lock(&mvm->mutex); 4584 ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4585 mutex_unlock(&mvm->mutex); 4586 4587 return ret; 4588 } 4589 4590 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4591 struct ieee80211_vif *vif, 4592 struct ieee80211_key_conf *keyconf, 4593 struct ieee80211_sta *sta, 4594 u32 iv32, u16 *phase1key) 4595 { 4596 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4597 4598 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4599 return; 4600 4601 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4602 } 4603 4604 4605 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4606 struct iwl_rx_packet *pkt, void *data) 4607 { 4608 struct iwl_mvm *mvm = 4609 container_of(notif_wait, struct iwl_mvm, notif_wait); 4610 struct iwl_hs20_roc_res *resp; 4611 int resp_len = iwl_rx_packet_payload_len(pkt); 4612 struct iwl_mvm_time_event_data *te_data = data; 4613 4614 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4615 return true; 4616 4617 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4618 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4619 return true; 4620 } 4621 4622 resp = (void *)pkt->data; 4623 4624 IWL_DEBUG_TE(mvm, 4625 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4626 resp->status, resp->event_unique_id); 4627 4628 te_data->uid = le32_to_cpu(resp->event_unique_id); 4629 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4630 te_data->uid); 4631 4632 spin_lock_bh(&mvm->time_event_lock); 4633 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4634 spin_unlock_bh(&mvm->time_event_lock); 4635 4636 return true; 4637 } 4638 4639 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4640 struct ieee80211_channel *channel, 4641 struct ieee80211_vif *vif, 4642 int duration) 4643 { 4644 int res; 4645 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4646 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4647 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4648 struct iwl_notification_wait wait_time_event; 4649 u32 req_dur, delay; 4650 struct iwl_hs20_roc_req aux_roc_req = { 4651 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4652 .id_and_color = 4653 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4654 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4655 }; 4656 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4657 &aux_roc_req.channel_info); 4658 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4659 4660 /* Set the channel info data */ 4661 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4662 iwl_mvm_phy_band_from_nl80211(channel->band), 4663 IWL_PHY_CHANNEL_MODE20, 4664 0); 4665 4666 /* Set the time and duration */ 4667 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4668 4669 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4670 tail->duration = cpu_to_le32(req_dur); 4671 tail->apply_time_max_delay = cpu_to_le32(delay); 4672 4673 IWL_DEBUG_TE(mvm, 4674 "ROC: Requesting to remain on channel %u for %ums\n", 4675 channel->hw_value, req_dur); 4676 IWL_DEBUG_TE(mvm, 4677 "\t(requested = %ums, max_delay = %ums)\n", 4678 duration, delay); 4679 4680 /* Set the node address */ 4681 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4682 4683 lockdep_assert_held(&mvm->mutex); 4684 4685 spin_lock_bh(&mvm->time_event_lock); 4686 4687 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4688 spin_unlock_bh(&mvm->time_event_lock); 4689 return -EIO; 4690 } 4691 4692 te_data->vif = vif; 4693 te_data->duration = duration; 4694 te_data->id = HOT_SPOT_CMD; 4695 4696 spin_unlock_bh(&mvm->time_event_lock); 4697 4698 /* 4699 * Use a notification wait, which really just processes the 4700 * command response and doesn't wait for anything, in order 4701 * to be able to process the response and get the UID inside 4702 * the RX path. Using CMD_WANT_SKB doesn't work because it 4703 * stores the buffer and then wakes up this thread, by which 4704 * time another notification (that the time event started) 4705 * might already be processed unsuccessfully. 4706 */ 4707 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4708 time_event_response, 4709 ARRAY_SIZE(time_event_response), 4710 iwl_mvm_rx_aux_roc, te_data); 4711 4712 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4713 &aux_roc_req); 4714 4715 if (res) { 4716 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4717 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4718 goto out_clear_te; 4719 } 4720 4721 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4722 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4723 /* should never fail */ 4724 WARN_ON_ONCE(res); 4725 4726 if (res) { 4727 out_clear_te: 4728 spin_lock_bh(&mvm->time_event_lock); 4729 iwl_mvm_te_clear_data(mvm, te_data); 4730 spin_unlock_bh(&mvm->time_event_lock); 4731 } 4732 4733 return res; 4734 } 4735 4736 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4737 { 4738 int ret = 0; 4739 4740 lockdep_assert_held(&mvm->mutex); 4741 4742 if (!fw_has_capa(&mvm->fw->ucode_capa, 4743 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4744 IWL_ERR(mvm, "hotspot not supported\n"); 4745 return -EINVAL; 4746 } 4747 4748 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4749 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4750 WARN(ret, "Failed to allocate aux station"); 4751 } 4752 4753 return ret; 4754 } 4755 4756 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4757 { 4758 int ret; 4759 4760 lockdep_assert_held(&mvm->mutex); 4761 4762 ret = iwl_mvm_binding_add_vif(mvm, vif); 4763 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4764 return ret; 4765 4766 /* The station and queue allocation must be done only after the binding 4767 * is done, as otherwise the FW might incorrectly configure its state. 4768 */ 4769 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4770 } 4771 4772 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4773 struct ieee80211_vif *vif, 4774 struct ieee80211_channel *channel, 4775 int duration, 4776 enum ieee80211_roc_type type) 4777 { 4778 static const struct iwl_mvm_roc_ops ops = { 4779 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4780 .link = iwl_mvm_roc_link, 4781 }; 4782 4783 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4784 } 4785 4786 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4787 struct ieee80211_channel *channel, 4788 struct ieee80211_vif *vif, 4789 int duration) 4790 { 4791 int ret; 4792 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4793 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4794 IWL_FW_CMD_VER_UNKNOWN); 4795 4796 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4797 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4798 } else if (fw_ver == 3) { 4799 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4800 ROC_ACTIVITY_HOTSPOT); 4801 } else { 4802 ret = -EOPNOTSUPP; 4803 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4804 } 4805 4806 return ret; 4807 } 4808 4809 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4810 struct ieee80211_vif *vif, 4811 struct ieee80211_channel *channel) 4812 { 4813 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4814 struct cfg80211_chan_def chandef; 4815 int i; 4816 4817 lockdep_assert_held(&mvm->mutex); 4818 4819 if (mvmvif->deflink.phy_ctxt && 4820 channel == mvmvif->deflink.phy_ctxt->channel) 4821 return 0; 4822 4823 /* Try using a PHY context that is already in use */ 4824 for (i = 0; i < NUM_PHY_CTX; i++) { 4825 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4826 4827 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4828 continue; 4829 4830 if (channel == phy_ctxt->channel) { 4831 if (mvmvif->deflink.phy_ctxt) 4832 iwl_mvm_phy_ctxt_unref(mvm, 4833 mvmvif->deflink.phy_ctxt); 4834 4835 mvmvif->deflink.phy_ctxt = phy_ctxt; 4836 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4837 return 0; 4838 } 4839 } 4840 4841 /* We already have a phy_ctxt, but it's not on the right channel */ 4842 if (mvmvif->deflink.phy_ctxt) 4843 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4844 4845 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4846 if (!mvmvif->deflink.phy_ctxt) 4847 return -ENOSPC; 4848 4849 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4850 4851 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4852 &chandef, NULL, 1, 1); 4853 } 4854 4855 /* Execute the common part for MLD and non-MLD modes */ 4856 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4857 struct ieee80211_channel *channel, int duration, 4858 enum ieee80211_roc_type type, 4859 const struct iwl_mvm_roc_ops *ops) 4860 { 4861 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4862 u32 lmac_id; 4863 int ret; 4864 4865 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4866 duration, type); 4867 4868 /* 4869 * Flush the done work, just in case it's still pending, so that 4870 * the work it does can complete and we can accept new frames. 4871 */ 4872 flush_work(&mvm->roc_done_wk); 4873 4874 ret = iwl_mvm_esr_non_bss_link(mvm, vif, 0, true); 4875 if (ret) 4876 return ret; 4877 4878 mutex_lock(&mvm->mutex); 4879 4880 switch (vif->type) { 4881 case NL80211_IFTYPE_STATION: 4882 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4883 4884 /* Use aux roc framework (HS20) */ 4885 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4886 if (!ret) 4887 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4888 goto out_unlock; 4889 case NL80211_IFTYPE_P2P_DEVICE: 4890 /* handle below */ 4891 break; 4892 default: 4893 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4894 ret = -EINVAL; 4895 goto out_unlock; 4896 } 4897 4898 4899 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4900 if (ret) 4901 goto out_unlock; 4902 4903 ret = ops->link(mvm, vif); 4904 if (ret) 4905 goto out_unlock; 4906 4907 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4908 out_unlock: 4909 mutex_unlock(&mvm->mutex); 4910 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4911 return ret; 4912 } 4913 4914 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4915 struct ieee80211_vif *vif) 4916 { 4917 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4918 4919 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4920 4921 iwl_mvm_stop_roc(mvm, vif); 4922 4923 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4924 return 0; 4925 } 4926 4927 struct iwl_mvm_ftm_responder_iter_data { 4928 bool responder; 4929 struct ieee80211_chanctx_conf *ctx; 4930 }; 4931 4932 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4933 struct ieee80211_vif *vif) 4934 { 4935 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4936 4937 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4938 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4939 data->responder = true; 4940 } 4941 4942 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4943 struct ieee80211_chanctx_conf *ctx) 4944 { 4945 struct iwl_mvm_ftm_responder_iter_data data = { 4946 .responder = false, 4947 .ctx = ctx, 4948 }; 4949 4950 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4951 IEEE80211_IFACE_ITER_NORMAL, 4952 iwl_mvm_ftm_responder_chanctx_iter, 4953 &data); 4954 return data.responder; 4955 } 4956 4957 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4958 struct ieee80211_chanctx_conf *ctx) 4959 { 4960 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4961 struct iwl_mvm_phy_ctxt *phy_ctxt; 4962 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 4963 int ret; 4964 4965 lockdep_assert_held(&mvm->mutex); 4966 4967 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4968 4969 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4970 if (!phy_ctxt) { 4971 ret = -ENOSPC; 4972 goto out; 4973 } 4974 4975 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 4976 ctx->rx_chains_static, 4977 ctx->rx_chains_dynamic); 4978 if (ret) { 4979 IWL_ERR(mvm, "Failed to add PHY context\n"); 4980 goto out; 4981 } 4982 4983 *phy_ctxt_id = phy_ctxt->id; 4984 out: 4985 return ret; 4986 } 4987 4988 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4989 struct ieee80211_chanctx_conf *ctx) 4990 { 4991 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4992 int ret; 4993 4994 mutex_lock(&mvm->mutex); 4995 ret = __iwl_mvm_add_chanctx(mvm, ctx); 4996 mutex_unlock(&mvm->mutex); 4997 4998 return ret; 4999 } 5000 5001 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5002 struct ieee80211_chanctx_conf *ctx) 5003 { 5004 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5005 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5006 5007 lockdep_assert_held(&mvm->mutex); 5008 5009 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5010 } 5011 5012 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5013 struct ieee80211_chanctx_conf *ctx) 5014 { 5015 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5016 5017 mutex_lock(&mvm->mutex); 5018 __iwl_mvm_remove_chanctx(mvm, ctx); 5019 mutex_unlock(&mvm->mutex); 5020 } 5021 5022 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5023 struct ieee80211_chanctx_conf *ctx, u32 changed) 5024 { 5025 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5026 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5027 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5028 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5029 5030 if (WARN_ONCE((phy_ctxt->ref > 1) && 5031 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5032 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5033 IEEE80211_CHANCTX_CHANGE_RADAR | 5034 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 5035 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5036 phy_ctxt->ref, changed)) 5037 return; 5038 5039 mutex_lock(&mvm->mutex); 5040 5041 /* we are only changing the min_width, may be a noop */ 5042 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5043 if (phy_ctxt->width == def->width) 5044 goto out_unlock; 5045 5046 /* we are just toggling between 20_NOHT and 20 */ 5047 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5048 def->width <= NL80211_CHAN_WIDTH_20) 5049 goto out_unlock; 5050 } 5051 5052 iwl_mvm_bt_coex_vif_change(mvm); 5053 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5054 ctx->rx_chains_static, 5055 ctx->rx_chains_dynamic); 5056 5057 out_unlock: 5058 mutex_unlock(&mvm->mutex); 5059 } 5060 5061 /* 5062 * This function executes the common part for MLD and non-MLD modes. 5063 * 5064 * Returns true if we're done assigning the chanctx 5065 * (either on failure or success) 5066 */ 5067 static bool 5068 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5069 struct ieee80211_vif *vif, 5070 struct ieee80211_chanctx_conf *ctx, 5071 bool switching_chanctx, int *ret) 5072 { 5073 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5074 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5075 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5076 5077 lockdep_assert_held(&mvm->mutex); 5078 5079 mvmvif->deflink.phy_ctxt = phy_ctxt; 5080 5081 switch (vif->type) { 5082 case NL80211_IFTYPE_AP: 5083 /* only needed if we're switching chanctx (i.e. during CSA) */ 5084 if (switching_chanctx) { 5085 mvmvif->ap_ibss_active = true; 5086 break; 5087 } 5088 fallthrough; 5089 case NL80211_IFTYPE_ADHOC: 5090 /* 5091 * The AP binding flow is handled as part of the start_ap flow 5092 * (in bss_info_changed), similarly for IBSS. 5093 */ 5094 *ret = 0; 5095 return true; 5096 case NL80211_IFTYPE_STATION: 5097 break; 5098 case NL80211_IFTYPE_MONITOR: 5099 /* always disable PS when a monitor interface is active */ 5100 mvmvif->ps_disabled = true; 5101 break; 5102 default: 5103 *ret = -EINVAL; 5104 return true; 5105 } 5106 return false; 5107 } 5108 5109 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5110 struct ieee80211_vif *vif, 5111 struct ieee80211_bss_conf *link_conf, 5112 struct ieee80211_chanctx_conf *ctx, 5113 bool switching_chanctx) 5114 { 5115 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5116 int ret; 5117 5118 if (WARN_ON(!link_conf)) 5119 return -EINVAL; 5120 5121 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5122 switching_chanctx, &ret)) 5123 goto out; 5124 5125 ret = iwl_mvm_binding_add_vif(mvm, vif); 5126 if (ret) 5127 goto out; 5128 5129 /* 5130 * Power state must be updated before quotas, 5131 * otherwise fw will complain. 5132 */ 5133 iwl_mvm_power_update_mac(mvm); 5134 5135 /* Setting the quota at this stage is only required for monitor 5136 * interfaces. For the other types, the bss_info changed flow 5137 * will handle quota settings. 5138 */ 5139 if (vif->type == NL80211_IFTYPE_MONITOR) { 5140 mvmvif->monitor_active = true; 5141 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5142 if (ret) 5143 goto out_remove_binding; 5144 5145 ret = iwl_mvm_add_snif_sta(mvm, vif); 5146 if (ret) 5147 goto out_remove_binding; 5148 5149 } 5150 5151 /* Handle binding during CSA */ 5152 if (vif->type == NL80211_IFTYPE_AP) { 5153 iwl_mvm_update_quotas(mvm, false, NULL); 5154 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5155 } 5156 5157 if (vif->type == NL80211_IFTYPE_STATION) { 5158 if (!switching_chanctx) { 5159 mvmvif->csa_bcn_pending = false; 5160 goto out; 5161 } 5162 5163 mvmvif->csa_bcn_pending = true; 5164 5165 if (!fw_has_capa(&mvm->fw->ucode_capa, 5166 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5167 u32 duration = 5 * vif->bss_conf.beacon_int; 5168 5169 /* Protect the session to make sure we hear the first 5170 * beacon on the new channel. 5171 */ 5172 iwl_mvm_protect_session(mvm, vif, duration, duration, 5173 vif->bss_conf.beacon_int / 2, 5174 true); 5175 } 5176 5177 iwl_mvm_update_quotas(mvm, false, NULL); 5178 } 5179 5180 goto out; 5181 5182 out_remove_binding: 5183 iwl_mvm_binding_remove_vif(mvm, vif); 5184 iwl_mvm_power_update_mac(mvm); 5185 out: 5186 if (ret) 5187 mvmvif->deflink.phy_ctxt = NULL; 5188 return ret; 5189 } 5190 5191 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5192 struct ieee80211_vif *vif, 5193 struct ieee80211_bss_conf *link_conf, 5194 struct ieee80211_chanctx_conf *ctx) 5195 { 5196 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5197 int ret; 5198 5199 mutex_lock(&mvm->mutex); 5200 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5201 mutex_unlock(&mvm->mutex); 5202 5203 return ret; 5204 } 5205 5206 /* 5207 * This function executes the common part for MLD and non-MLD modes. 5208 * 5209 * Returns if chanctx unassign chanctx is done 5210 * (either on failure or success) 5211 */ 5212 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5213 struct ieee80211_vif *vif, 5214 bool switching_chanctx) 5215 { 5216 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5217 5218 lockdep_assert_held(&mvm->mutex); 5219 iwl_mvm_remove_time_event(mvm, mvmvif, 5220 &mvmvif->time_event_data); 5221 5222 switch (vif->type) { 5223 case NL80211_IFTYPE_ADHOC: 5224 return true; 5225 case NL80211_IFTYPE_MONITOR: 5226 mvmvif->monitor_active = false; 5227 mvmvif->ps_disabled = false; 5228 break; 5229 case NL80211_IFTYPE_AP: 5230 /* This part is triggered only during CSA */ 5231 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5232 return true; 5233 5234 mvmvif->csa_countdown = false; 5235 5236 /* Set CS bit on all the stations */ 5237 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5238 5239 /* Save blocked iface, the timeout is set on the next beacon */ 5240 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5241 5242 mvmvif->ap_ibss_active = false; 5243 break; 5244 default: 5245 break; 5246 } 5247 return false; 5248 } 5249 5250 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5251 struct ieee80211_vif *vif, 5252 struct ieee80211_bss_conf *link_conf, 5253 struct ieee80211_chanctx_conf *ctx, 5254 bool switching_chanctx) 5255 { 5256 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5257 struct ieee80211_vif *disabled_vif = NULL; 5258 5259 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5260 goto out; 5261 5262 if (vif->type == NL80211_IFTYPE_MONITOR) 5263 iwl_mvm_rm_snif_sta(mvm, vif); 5264 5265 5266 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5267 disabled_vif = vif; 5268 if (!fw_has_capa(&mvm->fw->ucode_capa, 5269 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5270 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5271 } 5272 5273 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5274 iwl_mvm_binding_remove_vif(mvm, vif); 5275 5276 out: 5277 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5278 switching_chanctx) 5279 return; 5280 mvmvif->deflink.phy_ctxt = NULL; 5281 iwl_mvm_power_update_mac(mvm); 5282 } 5283 5284 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5285 struct ieee80211_vif *vif, 5286 struct ieee80211_bss_conf *link_conf, 5287 struct ieee80211_chanctx_conf *ctx) 5288 { 5289 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5290 5291 mutex_lock(&mvm->mutex); 5292 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5293 mutex_unlock(&mvm->mutex); 5294 } 5295 5296 static int 5297 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5298 struct ieee80211_vif_chanctx_switch *vifs, 5299 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5300 { 5301 int ret; 5302 5303 mutex_lock(&mvm->mutex); 5304 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5305 vifs[0].old_ctx, true); 5306 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5307 5308 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5309 if (ret) { 5310 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5311 goto out_reassign; 5312 } 5313 5314 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5315 vifs[0].new_ctx, true); 5316 if (ret) { 5317 IWL_ERR(mvm, 5318 "failed to assign new_ctx during channel switch\n"); 5319 goto out_remove; 5320 } 5321 5322 /* we don't support TDLS during DCM - can be caused by channel switch */ 5323 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5324 iwl_mvm_teardown_tdls_peers(mvm); 5325 5326 goto out; 5327 5328 out_remove: 5329 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5330 5331 out_reassign: 5332 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5333 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5334 goto out_restart; 5335 } 5336 5337 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5338 vifs[0].old_ctx, true)) { 5339 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5340 goto out_restart; 5341 } 5342 5343 goto out; 5344 5345 out_restart: 5346 /* things keep failing, better restart the hw */ 5347 iwl_mvm_nic_restart(mvm, false); 5348 5349 out: 5350 mutex_unlock(&mvm->mutex); 5351 5352 return ret; 5353 } 5354 5355 static int 5356 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5357 struct ieee80211_vif_chanctx_switch *vifs, 5358 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5359 { 5360 int ret; 5361 5362 mutex_lock(&mvm->mutex); 5363 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5364 vifs[0].old_ctx, true); 5365 5366 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5367 vifs[0].new_ctx, true); 5368 if (ret) { 5369 IWL_ERR(mvm, 5370 "failed to assign new_ctx during channel switch\n"); 5371 goto out_reassign; 5372 } 5373 5374 goto out; 5375 5376 out_reassign: 5377 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5378 vifs[0].old_ctx, true)) { 5379 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5380 goto out_restart; 5381 } 5382 5383 goto out; 5384 5385 out_restart: 5386 /* things keep failing, better restart the hw */ 5387 iwl_mvm_nic_restart(mvm, false); 5388 5389 out: 5390 mutex_unlock(&mvm->mutex); 5391 5392 return ret; 5393 } 5394 5395 /* Execute the common part for both MLD and non-MLD modes */ 5396 int 5397 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5398 struct ieee80211_vif_chanctx_switch *vifs, 5399 int n_vifs, 5400 enum ieee80211_chanctx_switch_mode mode, 5401 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5402 { 5403 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5404 int ret; 5405 5406 /* we only support a single-vif right now */ 5407 if (n_vifs > 1) 5408 return -EOPNOTSUPP; 5409 5410 switch (mode) { 5411 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5412 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5413 break; 5414 case CHANCTX_SWMODE_REASSIGN_VIF: 5415 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5416 break; 5417 default: 5418 ret = -EOPNOTSUPP; 5419 break; 5420 } 5421 5422 return ret; 5423 } 5424 5425 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5426 struct ieee80211_vif_chanctx_switch *vifs, 5427 int n_vifs, 5428 enum ieee80211_chanctx_switch_mode mode) 5429 { 5430 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5431 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5432 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5433 }; 5434 5435 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5436 } 5437 5438 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5439 { 5440 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5441 5442 return mvm->ibss_manager; 5443 } 5444 5445 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5446 bool set) 5447 { 5448 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5449 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5450 5451 if (!mvm_sta || !mvm_sta->vif) { 5452 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5453 return -EINVAL; 5454 } 5455 5456 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5457 &mvm_sta->vif->bss_conf); 5458 } 5459 5460 #ifdef CONFIG_NL80211_TESTMODE 5461 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5462 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5463 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5464 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5465 }; 5466 5467 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5468 struct ieee80211_vif *vif, 5469 void *data, int len) 5470 { 5471 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5472 int err; 5473 u32 noa_duration; 5474 5475 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5476 iwl_mvm_tm_policy, NULL); 5477 if (err) 5478 return err; 5479 5480 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5481 return -EINVAL; 5482 5483 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5484 case IWL_MVM_TM_CMD_SET_NOA: 5485 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5486 !vif->bss_conf.enable_beacon || 5487 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5488 return -EINVAL; 5489 5490 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5491 if (noa_duration >= vif->bss_conf.beacon_int) 5492 return -EINVAL; 5493 5494 mvm->noa_duration = noa_duration; 5495 mvm->noa_vif = vif; 5496 5497 return iwl_mvm_update_quotas(mvm, true, NULL); 5498 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5499 /* must be associated client vif - ignore authorized */ 5500 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5501 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5502 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5503 return -EINVAL; 5504 5505 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5506 return iwl_mvm_enable_beacon_filter(mvm, vif); 5507 return iwl_mvm_disable_beacon_filter(mvm, vif); 5508 } 5509 5510 return -EOPNOTSUPP; 5511 } 5512 5513 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5514 struct ieee80211_vif *vif, 5515 void *data, int len) 5516 { 5517 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5518 int err; 5519 5520 mutex_lock(&mvm->mutex); 5521 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5522 mutex_unlock(&mvm->mutex); 5523 5524 return err; 5525 } 5526 #endif 5527 5528 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5529 struct ieee80211_channel_switch *chsw) 5530 { 5531 /* By implementing this operation, we prevent mac80211 from 5532 * starting its own channel switch timer, so that we can call 5533 * ieee80211_chswitch_done() ourselves at the right time 5534 * (which is when the absence time event starts). 5535 */ 5536 5537 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5538 "dummy channel switch op\n"); 5539 } 5540 5541 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5542 struct ieee80211_vif *vif, 5543 struct ieee80211_channel_switch *chsw) 5544 { 5545 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5546 struct iwl_chan_switch_te_cmd cmd = { 5547 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5548 mvmvif->color)), 5549 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5550 .tsf = cpu_to_le32(chsw->timestamp), 5551 .cs_count = chsw->count, 5552 .cs_mode = chsw->block_tx, 5553 }; 5554 5555 lockdep_assert_held(&mvm->mutex); 5556 5557 if (chsw->delay) 5558 cmd.cs_delayed_bcn_count = 5559 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5560 5561 return iwl_mvm_send_cmd_pdu(mvm, 5562 WIDE_ID(MAC_CONF_GROUP, 5563 CHANNEL_SWITCH_TIME_EVENT_CMD), 5564 0, sizeof(cmd), &cmd); 5565 } 5566 5567 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5568 struct ieee80211_vif *vif, 5569 struct ieee80211_channel_switch *chsw) 5570 { 5571 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5572 u32 apply_time; 5573 5574 /* Schedule the time event to a bit before beacon 1, 5575 * to make sure we're in the new channel when the 5576 * GO/AP arrives. In case count <= 1 immediately schedule the 5577 * TE (this might result with some packet loss or connection 5578 * loss). 5579 */ 5580 if (chsw->count <= 1) 5581 apply_time = 0; 5582 else 5583 apply_time = chsw->device_timestamp + 5584 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5585 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5586 5587 if (chsw->block_tx) 5588 iwl_mvm_csa_client_absent(mvm, vif); 5589 5590 if (mvmvif->bf_enabled) { 5591 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5592 5593 if (ret) 5594 return ret; 5595 } 5596 5597 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5598 apply_time); 5599 5600 return 0; 5601 } 5602 5603 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5604 { 5605 int i; 5606 5607 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5608 struct iwl_mvm_txq *mvmtxq = 5609 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5610 5611 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5612 } 5613 } 5614 5615 #define IWL_MAX_CSA_BLOCK_TX 1500 5616 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5617 struct ieee80211_vif *vif, 5618 struct ieee80211_channel_switch *chsw) 5619 { 5620 struct ieee80211_vif *csa_vif; 5621 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5622 struct iwl_mvm_txq *mvmtxq; 5623 int ret; 5624 5625 lockdep_assert_held(&mvm->mutex); 5626 5627 mvmvif->csa_failed = false; 5628 mvmvif->csa_blocks_tx = false; 5629 5630 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5631 chsw->chandef.center_freq1); 5632 5633 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5634 ieee80211_vif_to_wdev(vif), 5635 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5636 5637 switch (vif->type) { 5638 case NL80211_IFTYPE_AP: 5639 csa_vif = 5640 rcu_dereference_protected(mvm->csa_vif, 5641 lockdep_is_held(&mvm->mutex)); 5642 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5643 "Another CSA is already in progress")) 5644 return -EBUSY; 5645 5646 /* we still didn't unblock tx. prevent new CS meanwhile */ 5647 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5648 lockdep_is_held(&mvm->mutex))) 5649 return -EBUSY; 5650 5651 rcu_assign_pointer(mvm->csa_vif, vif); 5652 5653 if (WARN_ONCE(mvmvif->csa_countdown, 5654 "Previous CSA countdown didn't complete")) 5655 return -EBUSY; 5656 5657 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5658 5659 if (!chsw->block_tx) 5660 break; 5661 /* don't need blocking in driver otherwise - mac80211 will do */ 5662 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5663 break; 5664 5665 mvmvif->csa_blocks_tx = true; 5666 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5667 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5668 ieee80211_iterate_stations_atomic(mvm->hw, 5669 iwl_mvm_csa_block_txqs, 5670 NULL); 5671 break; 5672 case NL80211_IFTYPE_STATION: 5673 mvmvif->csa_blocks_tx = chsw->block_tx; 5674 5675 /* 5676 * In the new flow FW is in charge of timing the switch so there 5677 * is no need for all of this 5678 */ 5679 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5680 CHANNEL_SWITCH_ERROR_NOTIF, 5681 0)) 5682 break; 5683 5684 /* 5685 * We haven't configured the firmware to be associated yet since 5686 * we don't know the dtim period. In this case, the firmware can't 5687 * track the beacons. 5688 */ 5689 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5690 return -EBUSY; 5691 5692 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5693 hweight16(vif->valid_links) <= 1) 5694 schedule_delayed_work(&mvmvif->csa_work, 0); 5695 5696 if (chsw->block_tx) { 5697 /* 5698 * In case of undetermined / long time with immediate 5699 * quiet monitor status to gracefully disconnect 5700 */ 5701 if (!chsw->count || 5702 chsw->count * vif->bss_conf.beacon_int > 5703 IWL_MAX_CSA_BLOCK_TX) 5704 schedule_delayed_work(&mvmvif->csa_work, 5705 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5706 } 5707 5708 if (!fw_has_capa(&mvm->fw->ucode_capa, 5709 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5710 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5711 if (ret) 5712 return ret; 5713 } else { 5714 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5715 } 5716 5717 mvmvif->csa_count = chsw->count; 5718 mvmvif->csa_misbehave = false; 5719 break; 5720 default: 5721 break; 5722 } 5723 5724 mvmvif->ps_disabled = true; 5725 5726 ret = iwl_mvm_power_update_ps(mvm); 5727 if (ret) 5728 return ret; 5729 5730 /* we won't be on this channel any longer */ 5731 iwl_mvm_teardown_tdls_peers(mvm); 5732 5733 return ret; 5734 } 5735 5736 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5737 struct ieee80211_vif *vif, 5738 struct ieee80211_channel_switch *chsw) 5739 { 5740 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5741 int ret; 5742 5743 mutex_lock(&mvm->mutex); 5744 ret = iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5745 mutex_unlock(&mvm->mutex); 5746 5747 return ret; 5748 } 5749 5750 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5751 struct ieee80211_vif *vif, 5752 struct ieee80211_channel_switch *chsw) 5753 { 5754 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5755 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5756 struct iwl_chan_switch_te_cmd cmd = { 5757 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5758 mvmvif->color)), 5759 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5760 .tsf = cpu_to_le32(chsw->timestamp), 5761 .cs_count = chsw->count, 5762 .cs_mode = chsw->block_tx, 5763 }; 5764 5765 /* 5766 * In the new flow FW is in charge of timing the switch so there is no 5767 * need for all of this 5768 */ 5769 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5770 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5771 return; 5772 5773 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5774 return; 5775 5776 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5777 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5778 5779 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5780 if (mvmvif->csa_misbehave) { 5781 struct ieee80211_bss_conf *link_conf; 5782 5783 /* Second time, give up on this AP*/ 5784 5785 link_conf = wiphy_dereference(hw->wiphy, 5786 vif->link_conf[chsw->link_id]); 5787 if (WARN_ON(!link_conf)) 5788 return; 5789 5790 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5791 ieee80211_chswitch_done(vif, false, 0); 5792 mvmvif->csa_misbehave = false; 5793 return; 5794 } 5795 mvmvif->csa_misbehave = true; 5796 } 5797 mvmvif->csa_count = chsw->count; 5798 5799 mutex_lock(&mvm->mutex); 5800 if (mvmvif->csa_failed) 5801 goto out_unlock; 5802 5803 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5804 WIDE_ID(MAC_CONF_GROUP, 5805 CHANNEL_SWITCH_TIME_EVENT_CMD), 5806 0, sizeof(cmd), &cmd)); 5807 out_unlock: 5808 mutex_unlock(&mvm->mutex); 5809 } 5810 5811 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5812 { 5813 int i; 5814 5815 if (!iwl_mvm_has_new_tx_api(mvm)) { 5816 if (drop) { 5817 mutex_lock(&mvm->mutex); 5818 iwl_mvm_flush_tx_path(mvm, 5819 iwl_mvm_flushable_queues(mvm) & queues); 5820 mutex_unlock(&mvm->mutex); 5821 } else { 5822 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5823 } 5824 return; 5825 } 5826 5827 mutex_lock(&mvm->mutex); 5828 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5829 struct ieee80211_sta *sta; 5830 5831 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5832 lockdep_is_held(&mvm->mutex)); 5833 if (IS_ERR_OR_NULL(sta)) 5834 continue; 5835 5836 if (drop) 5837 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5838 else 5839 iwl_mvm_wait_sta_queues_empty(mvm, 5840 iwl_mvm_sta_from_mac80211(sta)); 5841 } 5842 mutex_unlock(&mvm->mutex); 5843 } 5844 5845 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5846 u32 queues, bool drop) 5847 { 5848 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5849 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5850 struct iwl_mvm_sta *mvmsta; 5851 struct ieee80211_sta *sta; 5852 bool ap_sta_done = false; 5853 int i; 5854 u32 msk = 0; 5855 5856 if (!vif) { 5857 iwl_mvm_flush_no_vif(mvm, queues, drop); 5858 return; 5859 } 5860 5861 if (!drop && hweight16(vif->active_links) <= 1) { 5862 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5863 struct ieee80211_bss_conf *link_conf; 5864 5865 link_conf = wiphy_dereference(hw->wiphy, 5866 vif->link_conf[link_id]); 5867 if (WARN_ON(!link_conf)) 5868 return; 5869 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5870 drop = true; 5871 } 5872 5873 /* Make sure we're done with the deferred traffic before flushing */ 5874 flush_work(&mvm->add_stream_wk); 5875 5876 mutex_lock(&mvm->mutex); 5877 5878 /* flush the AP-station and all TDLS peers */ 5879 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5880 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5881 lockdep_is_held(&mvm->mutex)); 5882 if (IS_ERR_OR_NULL(sta)) 5883 continue; 5884 5885 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5886 if (mvmsta->vif != vif) 5887 continue; 5888 5889 if (sta == mvmvif->ap_sta) { 5890 if (ap_sta_done) 5891 continue; 5892 ap_sta_done = true; 5893 } 5894 5895 if (drop) { 5896 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5897 mvmsta->tfd_queue_msk)) 5898 IWL_ERR(mvm, "flush request fail\n"); 5899 } else { 5900 if (iwl_mvm_has_new_tx_api(mvm)) 5901 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5902 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5903 msk |= mvmsta->tfd_queue_msk; 5904 } 5905 } 5906 5907 mutex_unlock(&mvm->mutex); 5908 5909 /* this can take a while, and we may need/want other operations 5910 * to succeed while doing this, so do it without the mutex held 5911 */ 5912 if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5913 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5914 } 5915 5916 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5917 struct ieee80211_sta *sta) 5918 { 5919 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5920 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5921 struct iwl_mvm_link_sta *mvm_link_sta; 5922 struct ieee80211_link_sta *link_sta; 5923 int link_id; 5924 5925 mutex_lock(&mvm->mutex); 5926 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5927 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5928 lockdep_is_held(&mvm->mutex)); 5929 if (!mvm_link_sta) 5930 continue; 5931 5932 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5933 mvmsta->tfd_queue_msk)) 5934 IWL_ERR(mvm, "flush request fail\n"); 5935 } 5936 mutex_unlock(&mvm->mutex); 5937 } 5938 5939 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5940 struct survey_info *survey) 5941 { 5942 int chan_idx; 5943 enum nl80211_band band; 5944 int ret; 5945 5946 mutex_lock(&mvm->mutex); 5947 5948 if (!mvm->acs_survey) { 5949 ret = -ENOENT; 5950 goto out; 5951 } 5952 5953 /* Find and return the next entry that has a non-zero active time */ 5954 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5955 struct ieee80211_supported_band *sband = 5956 mvm->hw->wiphy->bands[band]; 5957 5958 if (!sband) 5959 continue; 5960 5961 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5962 struct iwl_mvm_acs_survey_channel *info = 5963 &mvm->acs_survey->bands[band][chan_idx]; 5964 5965 if (!info->time) 5966 continue; 5967 5968 /* Found (the next) channel to report */ 5969 survey->channel = &sband->channels[chan_idx]; 5970 survey->filled = SURVEY_INFO_TIME | 5971 SURVEY_INFO_TIME_BUSY | 5972 SURVEY_INFO_TIME_RX | 5973 SURVEY_INFO_TIME_TX; 5974 survey->time = info->time; 5975 survey->time_busy = info->time_busy; 5976 survey->time_rx = info->time_rx; 5977 survey->time_tx = info->time_tx; 5978 survey->noise = info->noise; 5979 if (survey->noise < 0) 5980 survey->filled |= SURVEY_INFO_NOISE_DBM; 5981 5982 /* Clear time so that channel is only reported once */ 5983 info->time = 0; 5984 5985 ret = 0; 5986 goto out; 5987 } 5988 } 5989 5990 ret = -ENOENT; 5991 5992 out: 5993 mutex_unlock(&mvm->mutex); 5994 5995 return ret; 5996 } 5997 5998 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5999 struct survey_info *survey) 6000 { 6001 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6002 int ret = 0; 6003 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6004 WIDE_ID(SYSTEM_GROUP, 6005 SYSTEM_STATISTICS_CMD), 6006 IWL_FW_CMD_VER_UNKNOWN); 6007 6008 memset(survey, 0, sizeof(*survey)); 6009 6010 if (!fw_has_capa(&mvm->fw->ucode_capa, 6011 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6012 return -ENOENT; 6013 6014 /* 6015 * Return the beacon stats at index zero and pass on following indices 6016 * to the function returning the full survey, most likely for ACS 6017 * (Automatic Channel Selection). 6018 */ 6019 if (idx > 0) 6020 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6021 6022 mutex_lock(&mvm->mutex); 6023 6024 if (iwl_mvm_firmware_running(mvm)) { 6025 ret = iwl_mvm_request_statistics(mvm, false); 6026 if (ret) 6027 goto out; 6028 } 6029 6030 survey->filled = SURVEY_INFO_TIME_RX | 6031 SURVEY_INFO_TIME_TX; 6032 6033 survey->time_rx = mvm->accu_radio_stats.rx_time + 6034 mvm->radio_stats.rx_time; 6035 do_div(survey->time_rx, USEC_PER_MSEC); 6036 6037 survey->time_tx = mvm->accu_radio_stats.tx_time + 6038 mvm->radio_stats.tx_time; 6039 do_div(survey->time_tx, USEC_PER_MSEC); 6040 6041 /* the new fw api doesn't support the following fields */ 6042 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6043 goto out; 6044 6045 survey->filled |= SURVEY_INFO_TIME | 6046 SURVEY_INFO_TIME_SCAN; 6047 survey->time = mvm->accu_radio_stats.on_time_rf + 6048 mvm->radio_stats.on_time_rf; 6049 do_div(survey->time, USEC_PER_MSEC); 6050 6051 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6052 mvm->radio_stats.on_time_scan; 6053 do_div(survey->time_scan, USEC_PER_MSEC); 6054 6055 out: 6056 mutex_unlock(&mvm->mutex); 6057 return ret; 6058 } 6059 6060 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6061 { 6062 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6063 u32 gi_ltf; 6064 6065 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6066 case RATE_MCS_CHAN_WIDTH_20: 6067 rinfo->bw = RATE_INFO_BW_20; 6068 break; 6069 case RATE_MCS_CHAN_WIDTH_40: 6070 rinfo->bw = RATE_INFO_BW_40; 6071 break; 6072 case RATE_MCS_CHAN_WIDTH_80: 6073 rinfo->bw = RATE_INFO_BW_80; 6074 break; 6075 case RATE_MCS_CHAN_WIDTH_160: 6076 rinfo->bw = RATE_INFO_BW_160; 6077 break; 6078 case RATE_MCS_CHAN_WIDTH_320: 6079 rinfo->bw = RATE_INFO_BW_320; 6080 break; 6081 } 6082 6083 if (format == RATE_MCS_CCK_MSK || 6084 format == RATE_MCS_LEGACY_OFDM_MSK) { 6085 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6086 6087 /* add the offset needed to get to the legacy ofdm indices */ 6088 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6089 rate += IWL_FIRST_OFDM_RATE; 6090 6091 switch (rate) { 6092 case IWL_RATE_1M_INDEX: 6093 rinfo->legacy = 10; 6094 break; 6095 case IWL_RATE_2M_INDEX: 6096 rinfo->legacy = 20; 6097 break; 6098 case IWL_RATE_5M_INDEX: 6099 rinfo->legacy = 55; 6100 break; 6101 case IWL_RATE_11M_INDEX: 6102 rinfo->legacy = 110; 6103 break; 6104 case IWL_RATE_6M_INDEX: 6105 rinfo->legacy = 60; 6106 break; 6107 case IWL_RATE_9M_INDEX: 6108 rinfo->legacy = 90; 6109 break; 6110 case IWL_RATE_12M_INDEX: 6111 rinfo->legacy = 120; 6112 break; 6113 case IWL_RATE_18M_INDEX: 6114 rinfo->legacy = 180; 6115 break; 6116 case IWL_RATE_24M_INDEX: 6117 rinfo->legacy = 240; 6118 break; 6119 case IWL_RATE_36M_INDEX: 6120 rinfo->legacy = 360; 6121 break; 6122 case IWL_RATE_48M_INDEX: 6123 rinfo->legacy = 480; 6124 break; 6125 case IWL_RATE_54M_INDEX: 6126 rinfo->legacy = 540; 6127 } 6128 return; 6129 } 6130 6131 rinfo->nss = u32_get_bits(rate_n_flags, 6132 RATE_MCS_NSS_MSK) + 1; 6133 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6134 RATE_HT_MCS_INDEX(rate_n_flags) : 6135 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6136 6137 if (rate_n_flags & RATE_MCS_SGI_MSK) 6138 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6139 6140 switch (format) { 6141 case RATE_MCS_EHT_MSK: 6142 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6143 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6144 break; 6145 case RATE_MCS_HE_MSK: 6146 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6147 6148 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6149 6150 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6151 rinfo->bw = RATE_INFO_BW_HE_RU; 6152 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6153 } 6154 6155 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6156 case RATE_MCS_HE_TYPE_SU: 6157 case RATE_MCS_HE_TYPE_EXT_SU: 6158 if (gi_ltf == 0 || gi_ltf == 1) 6159 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6160 else if (gi_ltf == 2) 6161 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6162 else if (gi_ltf == 3) 6163 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6164 else 6165 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6166 break; 6167 case RATE_MCS_HE_TYPE_MU: 6168 if (gi_ltf == 0 || gi_ltf == 1) 6169 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6170 else if (gi_ltf == 2) 6171 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6172 else 6173 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6174 break; 6175 case RATE_MCS_HE_TYPE_TRIG: 6176 if (gi_ltf == 0 || gi_ltf == 1) 6177 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6178 else 6179 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6180 break; 6181 } 6182 6183 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6184 rinfo->he_dcm = 1; 6185 break; 6186 case RATE_MCS_HT_MSK: 6187 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6188 break; 6189 case RATE_MCS_VHT_MSK: 6190 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6191 break; 6192 } 6193 } 6194 6195 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6196 struct ieee80211_vif *vif, 6197 struct ieee80211_sta *sta, 6198 struct station_info *sinfo) 6199 { 6200 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6201 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6202 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6203 int i; 6204 6205 if (mvmsta->deflink.avg_energy) { 6206 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6207 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6208 } 6209 6210 if (iwl_mvm_has_tlc_offload(mvm)) { 6211 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6212 6213 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6214 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6215 } 6216 6217 /* if beacon filtering isn't on mac80211 does it anyway */ 6218 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6219 return; 6220 6221 if (!vif->cfg.assoc) 6222 return; 6223 6224 mutex_lock(&mvm->mutex); 6225 6226 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6227 goto unlock; 6228 6229 if (iwl_mvm_request_statistics(mvm, false)) 6230 goto unlock; 6231 6232 sinfo->rx_beacon = 0; 6233 for_each_mvm_vif_valid_link(mvmvif, i) 6234 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6235 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6236 6237 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6238 if (mvmvif->deflink.beacon_stats.avg_signal) { 6239 /* firmware only reports a value after RXing a few beacons */ 6240 sinfo->rx_beacon_signal_avg = 6241 mvmvif->deflink.beacon_stats.avg_signal; 6242 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6243 } 6244 unlock: 6245 mutex_unlock(&mvm->mutex); 6246 } 6247 6248 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6249 struct ieee80211_vif *vif, 6250 const struct ieee80211_mlme_event *mlme) 6251 { 6252 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6253 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6254 iwl_dbg_tlv_time_point(&mvm->fwrt, 6255 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6256 NULL); 6257 return; 6258 } 6259 6260 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6261 iwl_dbg_tlv_time_point(&mvm->fwrt, 6262 IWL_FW_INI_TIME_POINT_DEASSOC, 6263 NULL); 6264 return; 6265 } 6266 } 6267 6268 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6269 struct ieee80211_vif *vif, 6270 const struct ieee80211_event *event) 6271 { 6272 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6273 do { \ 6274 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6275 break; \ 6276 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6277 } while (0) 6278 6279 struct iwl_fw_dbg_trigger_tlv *trig; 6280 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6281 6282 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6283 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6284 return; 6285 } 6286 6287 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6288 FW_DBG_TRIGGER_MLME); 6289 if (!trig) 6290 return; 6291 6292 trig_mlme = (void *)trig->data; 6293 6294 if (event->u.mlme.data == ASSOC_EVENT) { 6295 if (event->u.mlme.status == MLME_DENIED) 6296 CHECK_MLME_TRIGGER(stop_assoc_denied, 6297 "DENIED ASSOC: reason %d", 6298 event->u.mlme.reason); 6299 else if (event->u.mlme.status == MLME_TIMEOUT) 6300 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6301 "ASSOC TIMEOUT"); 6302 } else if (event->u.mlme.data == AUTH_EVENT) { 6303 if (event->u.mlme.status == MLME_DENIED) 6304 CHECK_MLME_TRIGGER(stop_auth_denied, 6305 "DENIED AUTH: reason %d", 6306 event->u.mlme.reason); 6307 else if (event->u.mlme.status == MLME_TIMEOUT) 6308 CHECK_MLME_TRIGGER(stop_auth_timeout, 6309 "AUTH TIMEOUT"); 6310 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6311 CHECK_MLME_TRIGGER(stop_rx_deauth, 6312 "DEAUTH RX %d", event->u.mlme.reason); 6313 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6314 CHECK_MLME_TRIGGER(stop_tx_deauth, 6315 "DEAUTH TX %d", event->u.mlme.reason); 6316 } 6317 #undef CHECK_MLME_TRIGGER 6318 } 6319 6320 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6321 struct ieee80211_vif *vif, 6322 const struct ieee80211_event *event) 6323 { 6324 struct iwl_fw_dbg_trigger_tlv *trig; 6325 struct iwl_fw_dbg_trigger_ba *ba_trig; 6326 6327 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6328 FW_DBG_TRIGGER_BA); 6329 if (!trig) 6330 return; 6331 6332 ba_trig = (void *)trig->data; 6333 6334 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6335 return; 6336 6337 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6338 "BAR received from %pM, tid %d, ssn %d", 6339 event->u.ba.sta->addr, event->u.ba.tid, 6340 event->u.ba.ssn); 6341 } 6342 6343 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6344 struct ieee80211_vif *vif, 6345 const struct ieee80211_event *event) 6346 { 6347 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6348 6349 switch (event->type) { 6350 case MLME_EVENT: 6351 iwl_mvm_event_mlme_callback(mvm, vif, event); 6352 break; 6353 case BAR_RX_EVENT: 6354 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6355 break; 6356 case BA_FRAME_TIMEOUT: 6357 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6358 event->u.ba.tid); 6359 break; 6360 default: 6361 break; 6362 } 6363 } 6364 6365 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6366 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6367 enum iwl_mvm_rxq_notif_type type, 6368 bool sync, 6369 const void *data, u32 size) 6370 { 6371 struct { 6372 struct iwl_rxq_sync_cmd cmd; 6373 struct iwl_mvm_internal_rxq_notif notif; 6374 } __packed cmd = { 6375 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6376 .cmd.count = 6377 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6378 size), 6379 .notif.type = type, 6380 .notif.sync = sync, 6381 }; 6382 struct iwl_host_cmd hcmd = { 6383 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6384 .data[0] = &cmd, 6385 .len[0] = sizeof(cmd), 6386 .data[1] = data, 6387 .len[1] = size, 6388 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6389 }; 6390 int ret; 6391 6392 /* size must be a multiple of DWORD */ 6393 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6394 return; 6395 6396 if (!iwl_mvm_has_new_rx_api(mvm)) 6397 return; 6398 6399 if (sync) { 6400 cmd.notif.cookie = mvm->queue_sync_cookie; 6401 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6402 } 6403 6404 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6405 if (ret) { 6406 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6407 goto out; 6408 } 6409 6410 if (sync) { 6411 lockdep_assert_held(&mvm->mutex); 6412 ret = wait_event_timeout(mvm->rx_sync_waitq, 6413 READ_ONCE(mvm->queue_sync_state) == 0 || 6414 iwl_mvm_is_radio_hw_killed(mvm), 6415 SYNC_RX_QUEUE_TIMEOUT); 6416 WARN_ONCE(!ret && !iwl_mvm_is_radio_hw_killed(mvm), 6417 "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6418 mvm->queue_sync_state, 6419 mvm->queue_sync_cookie); 6420 } 6421 6422 out: 6423 if (sync) { 6424 mvm->queue_sync_state = 0; 6425 mvm->queue_sync_cookie++; 6426 } 6427 } 6428 6429 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6430 { 6431 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6432 6433 mutex_lock(&mvm->mutex); 6434 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6435 mutex_unlock(&mvm->mutex); 6436 } 6437 6438 int 6439 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6440 struct ieee80211_vif *vif, 6441 struct cfg80211_ftm_responder_stats *stats) 6442 { 6443 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6444 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6445 6446 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6447 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6448 return -EINVAL; 6449 6450 mutex_lock(&mvm->mutex); 6451 *stats = mvm->ftm_resp_stats; 6452 mutex_unlock(&mvm->mutex); 6453 6454 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6455 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6456 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6457 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6458 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6459 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6460 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6461 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6462 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6463 6464 return 0; 6465 } 6466 6467 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6468 struct cfg80211_pmsr_request *request) 6469 { 6470 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6471 int ret; 6472 6473 mutex_lock(&mvm->mutex); 6474 ret = iwl_mvm_ftm_start(mvm, vif, request); 6475 mutex_unlock(&mvm->mutex); 6476 6477 return ret; 6478 } 6479 6480 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6481 struct cfg80211_pmsr_request *request) 6482 { 6483 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6484 6485 mutex_lock(&mvm->mutex); 6486 iwl_mvm_ftm_abort(mvm, request); 6487 mutex_unlock(&mvm->mutex); 6488 } 6489 6490 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6491 { 6492 u8 protocol = ip_hdr(skb)->protocol; 6493 6494 if (!IS_ENABLED(CONFIG_INET)) 6495 return false; 6496 6497 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6498 } 6499 6500 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6501 struct sk_buff *head, 6502 struct sk_buff *skb) 6503 { 6504 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6505 6506 /* For now don't aggregate IPv6 in AMSDU */ 6507 if (skb->protocol != htons(ETH_P_IP)) 6508 return false; 6509 6510 if (!iwl_mvm_is_csum_supported(mvm)) 6511 return true; 6512 6513 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6514 } 6515 6516 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6517 struct ieee80211_vif *vif, 6518 struct cfg80211_set_hw_timestamp *hwts) 6519 { 6520 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6521 u32 protocols = 0; 6522 int ret; 6523 6524 /* HW timestamping is only supported for a specific station */ 6525 if (!hwts->macaddr) 6526 return -EOPNOTSUPP; 6527 6528 if (hwts->enable) 6529 protocols = 6530 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6531 6532 mutex_lock(&mvm->mutex); 6533 ret = iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6534 mutex_unlock(&mvm->mutex); 6535 6536 return ret; 6537 } 6538 6539 const struct ieee80211_ops iwl_mvm_hw_ops = { 6540 .tx = iwl_mvm_mac_tx, 6541 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6542 .ampdu_action = iwl_mvm_mac_ampdu_action, 6543 .get_antenna = iwl_mvm_op_get_antenna, 6544 .set_antenna = iwl_mvm_op_set_antenna, 6545 .start = iwl_mvm_mac_start, 6546 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6547 .stop = iwl_mvm_mac_stop, 6548 .add_interface = iwl_mvm_mac_add_interface, 6549 .remove_interface = iwl_mvm_mac_remove_interface, 6550 .config = iwl_mvm_mac_config, 6551 .prepare_multicast = iwl_mvm_prepare_multicast, 6552 .configure_filter = iwl_mvm_configure_filter, 6553 .config_iface_filter = iwl_mvm_config_iface_filter, 6554 .bss_info_changed = iwl_mvm_bss_info_changed, 6555 .hw_scan = iwl_mvm_mac_hw_scan, 6556 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6557 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6558 .sta_state = iwl_mvm_mac_sta_state, 6559 .sta_notify = iwl_mvm_mac_sta_notify, 6560 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6561 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6562 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6563 .sta_rc_update = iwl_mvm_sta_rc_update, 6564 .conf_tx = iwl_mvm_mac_conf_tx, 6565 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6566 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6567 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6568 .flush = iwl_mvm_mac_flush, 6569 .flush_sta = iwl_mvm_mac_flush_sta, 6570 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6571 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6572 .set_key = iwl_mvm_mac_set_key, 6573 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6574 .remain_on_channel = iwl_mvm_roc, 6575 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6576 .add_chanctx = iwl_mvm_add_chanctx, 6577 .remove_chanctx = iwl_mvm_remove_chanctx, 6578 .change_chanctx = iwl_mvm_change_chanctx, 6579 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6580 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6581 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6582 6583 .start_ap = iwl_mvm_start_ap, 6584 .stop_ap = iwl_mvm_stop_ap, 6585 .join_ibss = iwl_mvm_start_ibss, 6586 .leave_ibss = iwl_mvm_stop_ibss, 6587 6588 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6589 6590 .set_tim = iwl_mvm_set_tim, 6591 6592 .channel_switch = iwl_mvm_channel_switch, 6593 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6594 .post_channel_switch = iwl_mvm_post_channel_switch, 6595 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6596 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6597 6598 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6599 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6600 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6601 6602 .event_callback = iwl_mvm_mac_event_callback, 6603 6604 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6605 6606 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6607 6608 #ifdef CONFIG_PM_SLEEP 6609 /* look at d3.c */ 6610 .suspend = iwl_mvm_suspend, 6611 .resume = iwl_mvm_resume, 6612 .set_wakeup = iwl_mvm_set_wakeup, 6613 .set_rekey_data = iwl_mvm_set_rekey_data, 6614 #if IS_ENABLED(CONFIG_IPV6) 6615 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6616 #endif 6617 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6618 #endif 6619 .get_survey = iwl_mvm_mac_get_survey, 6620 .sta_statistics = iwl_mvm_mac_sta_statistics, 6621 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6622 .start_pmsr = iwl_mvm_start_pmsr, 6623 .abort_pmsr = iwl_mvm_abort_pmsr, 6624 6625 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6626 #ifdef CONFIG_IWLWIFI_DEBUGFS 6627 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6628 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6629 #endif 6630 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6631 }; 6632