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 = 1660 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1661 1662 mutex_lock(&mvm->mutex); 1663 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1664 mutex_unlock(&mvm->mutex); 1665 } 1666 1667 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1668 { 1669 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1670 mlo_int_scan_wk.work); 1671 struct ieee80211_vif *vif = 1672 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1673 1674 mutex_lock(&mvmvif->mvm->mutex); 1675 1676 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1677 1678 mutex_unlock(&mvmvif->mvm->mutex); 1679 } 1680 1681 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1682 { 1683 struct iwl_mvm_vif *mvmvif = 1684 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1685 struct iwl_mvm *mvm = mvmvif->mvm; 1686 struct ieee80211_vif *vif = 1687 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1688 1689 mutex_lock(&mvm->mutex); 1690 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1691 mutex_unlock(&mvm->mutex); 1692 } 1693 1694 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1695 { 1696 lockdep_assert_held(&mvm->mutex); 1697 1698 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1699 return; 1700 1701 INIT_DELAYED_WORK(&mvmvif->csa_work, 1702 iwl_mvm_channel_switch_disconnect_wk); 1703 1704 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1705 iwl_mvm_prevent_esr_done_wk); 1706 1707 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1708 iwl_mvm_mlo_int_scan_wk); 1709 1710 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1711 iwl_mvm_unblock_esr_tpt); 1712 } 1713 1714 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1715 struct ieee80211_vif *vif) 1716 { 1717 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1718 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1719 int ret; 1720 int i; 1721 1722 mutex_lock(&mvm->mutex); 1723 1724 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1725 1726 mvmvif->mvm = mvm; 1727 1728 /* the first link always points to the default one */ 1729 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1730 mvmvif->deflink.active = 0; 1731 mvmvif->link[0] = &mvmvif->deflink; 1732 1733 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1734 if (ret) 1735 goto out; 1736 1737 /* 1738 * Not much to do here. The stack will not allow interface 1739 * types or combinations that we didn't advertise, so we 1740 * don't really have to check the types. 1741 */ 1742 1743 /* make sure that beacon statistics don't go backwards with FW reset */ 1744 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1745 for_each_mvm_vif_valid_link(mvmvif, i) 1746 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1747 mvmvif->link[i]->beacon_stats.num_beacons; 1748 1749 /* Allocate resources for the MAC context, and add it to the fw */ 1750 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1751 if (ret) 1752 goto out; 1753 1754 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1755 1756 /* Currently not much to do for NAN */ 1757 if (vif->type == NL80211_IFTYPE_NAN) { 1758 ret = 0; 1759 goto out; 1760 } 1761 1762 /* 1763 * The AP binding flow can be done only after the beacon 1764 * template is configured (which happens only in the mac80211 1765 * start_ap() flow), and adding the broadcast station can happen 1766 * only after the binding. 1767 * In addition, since modifying the MAC before adding a bcast 1768 * station is not allowed by the FW, delay the adding of MAC context to 1769 * the point where we can also add the bcast station. 1770 * In short: there's not much we can do at this point, other than 1771 * allocating resources :) 1772 */ 1773 if (vif->type == NL80211_IFTYPE_AP || 1774 vif->type == NL80211_IFTYPE_ADHOC) { 1775 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1776 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1777 ret = 0; 1778 goto out; 1779 } 1780 1781 mvmvif->features |= hw->netdev_features; 1782 1783 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1784 if (ret) 1785 goto out_unlock; 1786 1787 ret = iwl_mvm_power_update_mac(mvm); 1788 if (ret) 1789 goto out_remove_mac; 1790 1791 /* beacon filtering */ 1792 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1793 if (ret) 1794 goto out_remove_mac; 1795 1796 if (!mvm->bf_allowed_vif && 1797 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1798 mvm->bf_allowed_vif = mvmvif; 1799 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1800 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1801 } 1802 1803 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1804 mvm->p2p_device_vif = vif; 1805 1806 iwl_mvm_tcm_add_vif(mvm, vif); 1807 1808 if (vif->type == NL80211_IFTYPE_MONITOR) { 1809 mvm->monitor_on = true; 1810 mvm->monitor_p80 = 1811 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1812 } 1813 1814 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1815 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1816 1817 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1818 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1819 !mvm->csme_vif && mvm->mei_registered) { 1820 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1821 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1822 mvm->csme_vif = vif; 1823 } 1824 1825 out: 1826 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1827 vif->type == NL80211_IFTYPE_ADHOC)) 1828 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1829 1830 goto out_unlock; 1831 1832 out_remove_mac: 1833 mvmvif->deflink.phy_ctxt = NULL; 1834 iwl_mvm_mac_ctxt_remove(mvm, vif); 1835 out_unlock: 1836 mutex_unlock(&mvm->mutex); 1837 1838 return ret; 1839 } 1840 1841 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1842 struct ieee80211_vif *vif) 1843 { 1844 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1845 1846 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1847 /* 1848 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1849 * We assume here that all the packets sent to the OFFCHANNEL 1850 * queue are sent in ROC session. 1851 */ 1852 flush_work(&mvm->roc_done_wk); 1853 } 1854 1855 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1856 &mvmvif->prevent_esr_done_wk); 1857 1858 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1859 &mvmvif->mlo_int_scan_wk); 1860 1861 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1862 1863 cancel_delayed_work_sync(&mvmvif->csa_work); 1864 } 1865 1866 /* This function is doing the common part of removing the interface for 1867 * both - MLD and non-MLD modes. Returns true if removing the interface 1868 * is done 1869 */ 1870 static bool iwl_mvm_mac_remove_interface_common(struct ieee80211_hw *hw, 1871 struct ieee80211_vif *vif) 1872 { 1873 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1874 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1875 struct iwl_probe_resp_data *probe_data; 1876 1877 iwl_mvm_prepare_mac_removal(mvm, vif); 1878 1879 if (!(vif->type == NL80211_IFTYPE_AP || 1880 vif->type == NL80211_IFTYPE_ADHOC)) 1881 iwl_mvm_tcm_rm_vif(mvm, vif); 1882 1883 mutex_lock(&mvm->mutex); 1884 1885 if (vif == mvm->csme_vif) { 1886 iwl_mei_set_netdev(NULL); 1887 mvm->csme_vif = NULL; 1888 } 1889 1890 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1891 lockdep_is_held(&mvm->mutex)); 1892 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1893 if (probe_data) 1894 kfree_rcu(probe_data, rcu_head); 1895 1896 if (mvm->bf_allowed_vif == mvmvif) { 1897 mvm->bf_allowed_vif = NULL; 1898 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1899 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1900 } 1901 1902 if (vif->bss_conf.ftm_responder) 1903 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1904 1905 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1906 1907 /* 1908 * For AP/GO interface, the tear down of the resources allocated to the 1909 * interface is be handled as part of the stop_ap flow. 1910 */ 1911 if (vif->type == NL80211_IFTYPE_AP || 1912 vif->type == NL80211_IFTYPE_ADHOC) { 1913 #ifdef CONFIG_NL80211_TESTMODE 1914 if (vif == mvm->noa_vif) { 1915 mvm->noa_vif = NULL; 1916 mvm->noa_duration = 0; 1917 } 1918 #endif 1919 return true; 1920 } 1921 1922 iwl_mvm_power_update_mac(mvm); 1923 return false; 1924 } 1925 1926 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1927 struct ieee80211_vif *vif) 1928 { 1929 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1930 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1931 1932 if (iwl_mvm_mac_remove_interface_common(hw, vif)) 1933 goto out; 1934 1935 /* Before the interface removal, mac80211 would cancel the ROC, and the 1936 * ROC worker would be scheduled if needed. The worker would be flushed 1937 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1938 * binding etc. so nothing needs to be done here. 1939 */ 1940 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1941 if (mvmvif->deflink.phy_ctxt) { 1942 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1943 mvmvif->deflink.phy_ctxt = NULL; 1944 } 1945 mvm->p2p_device_vif = NULL; 1946 } 1947 1948 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1949 iwl_mvm_mac_ctxt_remove(mvm, vif); 1950 1951 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1952 1953 if (vif->type == NL80211_IFTYPE_MONITOR) 1954 mvm->monitor_on = false; 1955 1956 out: 1957 if (vif->type == NL80211_IFTYPE_AP || 1958 vif->type == NL80211_IFTYPE_ADHOC) { 1959 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1960 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1961 } 1962 1963 mutex_unlock(&mvm->mutex); 1964 } 1965 1966 struct iwl_mvm_mc_iter_data { 1967 struct iwl_mvm *mvm; 1968 int port_id; 1969 }; 1970 1971 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1972 struct ieee80211_vif *vif) 1973 { 1974 struct iwl_mvm_mc_iter_data *data = _data; 1975 struct iwl_mvm *mvm = data->mvm; 1976 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1977 struct iwl_host_cmd hcmd = { 1978 .id = MCAST_FILTER_CMD, 1979 .flags = CMD_ASYNC, 1980 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 1981 }; 1982 int ret, len; 1983 1984 /* if we don't have free ports, mcast frames will be dropped */ 1985 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 1986 return; 1987 1988 if (vif->type != NL80211_IFTYPE_STATION || 1989 !vif->cfg.assoc) 1990 return; 1991 1992 cmd->port_id = data->port_id++; 1993 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 1994 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 1995 1996 hcmd.len[0] = len; 1997 hcmd.data[0] = cmd; 1998 1999 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2000 if (ret) 2001 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2002 } 2003 2004 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2005 { 2006 struct iwl_mvm_mc_iter_data iter_data = { 2007 .mvm = mvm, 2008 }; 2009 int ret; 2010 2011 lockdep_assert_held(&mvm->mutex); 2012 2013 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2014 return; 2015 2016 ieee80211_iterate_active_interfaces_atomic( 2017 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2018 iwl_mvm_mc_iface_iterator, &iter_data); 2019 2020 /* 2021 * Send a (synchronous) ech command so that we wait for the 2022 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2023 * the interface iterator. Otherwise, we might get here over 2024 * and over again (by userspace just sending a lot of these) 2025 * and the CPU can send them faster than the firmware can 2026 * process them. 2027 * Note that the CPU is still faster - but with this we'll 2028 * actually send fewer commands overall because the CPU will 2029 * not schedule the work in mac80211 as frequently if it's 2030 * still running when rescheduled (possibly multiple times). 2031 */ 2032 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2033 if (ret) 2034 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2035 } 2036 2037 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2038 struct netdev_hw_addr_list *mc_list) 2039 { 2040 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2041 struct iwl_mcast_filter_cmd *cmd; 2042 struct netdev_hw_addr *addr; 2043 int addr_count; 2044 bool pass_all; 2045 int len; 2046 2047 addr_count = netdev_hw_addr_list_count(mc_list); 2048 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2049 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2050 if (pass_all) 2051 addr_count = 0; 2052 2053 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2054 cmd = kzalloc(len, GFP_ATOMIC); 2055 if (!cmd) 2056 return 0; 2057 2058 if (pass_all) { 2059 cmd->pass_all = 1; 2060 return (u64)(unsigned long)cmd; 2061 } 2062 2063 netdev_hw_addr_list_for_each(addr, mc_list) { 2064 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2065 cmd->count, addr->addr); 2066 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2067 addr->addr, ETH_ALEN); 2068 cmd->count++; 2069 } 2070 2071 return (u64)(unsigned long)cmd; 2072 } 2073 2074 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2075 unsigned int changed_flags, 2076 unsigned int *total_flags, u64 multicast) 2077 { 2078 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2079 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2080 2081 mutex_lock(&mvm->mutex); 2082 2083 /* replace previous configuration */ 2084 kfree(mvm->mcast_filter_cmd); 2085 mvm->mcast_filter_cmd = cmd; 2086 2087 if (!cmd) 2088 goto out; 2089 2090 if (changed_flags & FIF_ALLMULTI) 2091 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2092 2093 if (cmd->pass_all) 2094 cmd->count = 0; 2095 2096 iwl_mvm_recalc_multicast(mvm); 2097 out: 2098 mutex_unlock(&mvm->mutex); 2099 *total_flags = 0; 2100 } 2101 2102 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2103 struct ieee80211_vif *vif, 2104 unsigned int filter_flags, 2105 unsigned int changed_flags) 2106 { 2107 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2108 2109 /* We support only filter for probe requests */ 2110 if (!(changed_flags & FIF_PROBE_REQ)) 2111 return; 2112 2113 /* Supported only for p2p client interfaces */ 2114 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2115 !vif->p2p) 2116 return; 2117 2118 mutex_lock(&mvm->mutex); 2119 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2120 mutex_unlock(&mvm->mutex); 2121 } 2122 2123 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2124 { 2125 struct iwl_mu_group_mgmt_cmd cmd = {}; 2126 2127 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2128 WLAN_MEMBERSHIP_LEN); 2129 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2130 WLAN_USER_POSITION_LEN); 2131 2132 return iwl_mvm_send_cmd_pdu(mvm, 2133 WIDE_ID(DATA_PATH_GROUP, 2134 UPDATE_MU_GROUPS_CMD), 2135 0, sizeof(cmd), &cmd); 2136 } 2137 2138 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2139 struct ieee80211_vif *vif) 2140 { 2141 if (vif->bss_conf.mu_mimo_owner) { 2142 struct iwl_mu_group_mgmt_notif *notif = _data; 2143 2144 /* 2145 * MU-MIMO Group Id action frame is little endian. We treat 2146 * the data received from firmware as if it came from the 2147 * action frame, so no conversion is needed. 2148 */ 2149 ieee80211_update_mu_groups(vif, 0, 2150 (u8 *)¬if->membership_status, 2151 (u8 *)¬if->user_position); 2152 } 2153 } 2154 2155 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2156 struct iwl_rx_cmd_buffer *rxb) 2157 { 2158 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2159 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2160 2161 ieee80211_iterate_active_interfaces_atomic( 2162 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2163 iwl_mvm_mu_mimo_iface_iterator, notif); 2164 } 2165 2166 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2167 { 2168 u8 byte_num = ppe_pos_bit / 8; 2169 u8 bit_num = ppe_pos_bit % 8; 2170 u8 residue_bits; 2171 u8 res; 2172 2173 if (bit_num <= 5) 2174 return (ppe[byte_num] >> bit_num) & 2175 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2176 2177 /* 2178 * If bit_num > 5, we have to combine bits with next byte. 2179 * Calculate how many bits we need to take from current byte (called 2180 * here "residue_bits"), and add them to bits from next byte. 2181 */ 2182 2183 residue_bits = 8 - bit_num; 2184 2185 res = (ppe[byte_num + 1] & 2186 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2187 residue_bits; 2188 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2189 2190 return res; 2191 } 2192 2193 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2194 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2195 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2196 bool inheritance) 2197 { 2198 int i; 2199 2200 /* 2201 * FW currently supports only nss == MAX_HE_SUPP_NSS 2202 * 2203 * If nss > MAX: we can ignore values we don't support 2204 * If nss < MAX: we can set zeros in other streams 2205 */ 2206 if (nss > MAX_HE_SUPP_NSS) { 2207 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2208 MAX_HE_SUPP_NSS); 2209 nss = MAX_HE_SUPP_NSS; 2210 } 2211 2212 for (i = 0; i < nss; i++) { 2213 u8 ru_index_tmp = ru_index_bitmap << 1; 2214 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2215 u8 bw; 2216 2217 for (bw = 0; 2218 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2219 bw++) { 2220 ru_index_tmp >>= 1; 2221 2222 /* 2223 * According to the 11be spec, if for a specific BW the PPE Thresholds 2224 * isn't present - it should inherit the thresholds from the last 2225 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2226 * this inheritance - continue in this case 2227 */ 2228 if (!(ru_index_tmp & 1)) { 2229 if (inheritance) 2230 goto set_thresholds; 2231 else 2232 continue; 2233 } 2234 2235 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2236 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2237 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2238 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2239 2240 set_thresholds: 2241 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2242 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2243 } 2244 } 2245 } 2246 2247 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2248 struct ieee80211_link_sta *link_sta, 2249 struct iwl_he_pkt_ext_v2 *pkt_ext, 2250 bool inheritance) 2251 { 2252 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2253 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2254 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2255 u8 ru_index_bitmap = 2256 u8_get_bits(*ppe, 2257 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2258 /* Starting after PPE header */ 2259 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2260 2261 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2262 inheritance); 2263 } 2264 2265 static int 2266 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2267 u8 nominal_padding) 2268 { 2269 int low_th = -1; 2270 int high_th = -1; 2271 int i; 2272 2273 /* all the macros are the same for EHT and HE */ 2274 switch (nominal_padding) { 2275 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2276 low_th = IWL_HE_PKT_EXT_NONE; 2277 high_th = IWL_HE_PKT_EXT_NONE; 2278 break; 2279 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2280 low_th = IWL_HE_PKT_EXT_BPSK; 2281 high_th = IWL_HE_PKT_EXT_NONE; 2282 break; 2283 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2284 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2285 low_th = IWL_HE_PKT_EXT_NONE; 2286 high_th = IWL_HE_PKT_EXT_BPSK; 2287 break; 2288 } 2289 2290 if (low_th < 0 || high_th < 0) 2291 return -EINVAL; 2292 2293 /* Set the PPE thresholds accordingly */ 2294 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2295 u8 bw; 2296 2297 for (bw = 0; 2298 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2299 bw++) { 2300 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2301 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2302 } 2303 } 2304 2305 return 0; 2306 } 2307 2308 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2309 u8 nominal_padding) 2310 { 2311 int i; 2312 2313 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2314 u8 bw; 2315 2316 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2317 bw++) { 2318 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2319 2320 if (nominal_padding > 2321 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2322 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2323 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2324 else if (nominal_padding == 2325 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2326 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2327 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2328 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2329 } 2330 } 2331 } 2332 2333 /* Set the pkt_ext field according to PPE Thresholds element */ 2334 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2335 struct ieee80211_link_sta *link_sta, 2336 struct iwl_he_pkt_ext_v2 *pkt_ext) 2337 { 2338 u8 nominal_padding; 2339 int i, ret = 0; 2340 2341 if (WARN_ON(!link_sta)) 2342 return -EINVAL; 2343 2344 /* Initialize the PPE thresholds to "None" (7), as described in Table 2345 * 9-262ac of 80211.ax/D3.0. 2346 */ 2347 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2348 sizeof(struct iwl_he_pkt_ext_v2)); 2349 2350 if (link_sta->eht_cap.has_eht) { 2351 nominal_padding = 2352 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2353 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2354 2355 /* If PPE Thresholds exists, parse them into a FW-familiar 2356 * format. 2357 */ 2358 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2359 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2360 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2361 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2362 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2363 u8 ru_index_bitmap = 2364 u16_get_bits(*ppe, 2365 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2366 /* Starting after PPE header */ 2367 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2368 2369 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2370 ppe, ppe_pos_bit, true); 2371 /* EHT PPE Thresholds doesn't exist - set the API according to 2372 * HE PPE Tresholds 2373 */ 2374 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2375 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2376 /* Even though HE Capabilities IE doesn't contain PPE 2377 * Thresholds for BW 320Mhz, thresholds for this BW will 2378 * be filled in with the same values as 160Mhz, due to 2379 * the inheritance, as required. 2380 */ 2381 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2382 true); 2383 2384 /* According to the requirements, for MCSs 12-13 the 2385 * maximum value between HE PPE Threshold and Common 2386 * Nominal Packet Padding needs to be taken 2387 */ 2388 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2389 2390 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2391 * take the Thresholds from Common Nominal Packet Padding field 2392 */ 2393 } else { 2394 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2395 nominal_padding); 2396 } 2397 } else if (link_sta->he_cap.has_he) { 2398 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2399 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2400 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2401 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2402 false); 2403 /* PPE Thresholds doesn't exist - set the API PPE values 2404 * according to Common Nominal Packet Padding field. 2405 */ 2406 } else { 2407 nominal_padding = 2408 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2409 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2410 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2411 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2412 nominal_padding); 2413 } 2414 } 2415 2416 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2417 int bw; 2418 2419 for (bw = 0; 2420 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2421 bw++) { 2422 u8 *qam_th = 2423 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2424 2425 IWL_DEBUG_HT(mvm, 2426 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2427 i, bw, qam_th[0], qam_th[1]); 2428 } 2429 } 2430 return ret; 2431 } 2432 2433 /* 2434 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2435 * is enabled or not 2436 */ 2437 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2438 const struct iwl_mvm_vif_link_info *link_info, 2439 struct iwl_he_backoff_conf *trig_based_txf) 2440 { 2441 int i; 2442 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2443 bool mu_edca_enabled = true; 2444 2445 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2446 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2447 &link_info->queue_params[i].mu_edca_param_rec; 2448 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2449 2450 if (!link_info->queue_params[i].mu_edca) { 2451 mu_edca_enabled = false; 2452 break; 2453 } 2454 2455 trig_based_txf[ac].cwmin = 2456 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2457 trig_based_txf[ac].cwmax = 2458 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2459 trig_based_txf[ac].aifsn = 2460 cpu_to_le16(mu_edca->aifsn & 0xf); 2461 trig_based_txf[ac].mu_time = 2462 cpu_to_le16(mu_edca->mu_edca_timer); 2463 } 2464 2465 return mu_edca_enabled; 2466 } 2467 2468 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2469 { 2470 const struct ieee80211_supported_band *sband; 2471 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2472 2473 /* This capability is the same for all bands, 2474 * so take it from one of them. 2475 */ 2476 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2477 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2478 2479 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2480 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2481 } 2482 2483 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2484 struct ieee80211_link_sta *link_sta) 2485 { 2486 u8 *mac_cap_info = 2487 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2488 __le32 htc_flags = 0; 2489 2490 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2491 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2492 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2493 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2494 u8 link_adap = 2495 ((mac_cap_info[2] & 2496 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2497 (mac_cap_info[1] & 2498 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2499 2500 if (link_adap == 2) 2501 htc_flags |= 2502 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2503 else if (link_adap == 3) 2504 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2505 } 2506 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2507 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2508 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2509 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2510 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2511 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2512 2513 return htc_flags; 2514 } 2515 2516 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2517 struct ieee80211_vif *vif, u8 sta_id) 2518 { 2519 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2520 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2521 .sta_id = sta_id, 2522 .tid_limit = IWL_MAX_TID_COUNT, 2523 .bss_color = vif->bss_conf.he_bss_color.color, 2524 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2525 .frame_time_rts_th = 2526 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2527 }; 2528 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2529 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2530 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2531 int size; 2532 struct ieee80211_sta *sta; 2533 u32 flags; 2534 int i; 2535 void *cmd; 2536 2537 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2538 ver = 1; 2539 2540 switch (ver) { 2541 case 1: 2542 /* same layout as v2 except some data at the end */ 2543 cmd = &sta_ctxt_cmd_v2; 2544 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2545 break; 2546 case 2: 2547 cmd = &sta_ctxt_cmd_v2; 2548 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2549 break; 2550 case 3: 2551 cmd = &sta_ctxt_cmd; 2552 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2553 break; 2554 default: 2555 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2556 return; 2557 } 2558 2559 rcu_read_lock(); 2560 2561 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2562 if (IS_ERR_OR_NULL(sta)) { 2563 rcu_read_unlock(); 2564 WARN(1, "Can't find STA to configure HE\n"); 2565 return; 2566 } 2567 2568 if (!sta->deflink.he_cap.has_he) { 2569 rcu_read_unlock(); 2570 return; 2571 } 2572 2573 flags = 0; 2574 2575 /* Block 26-tone RU OFDMA transmissions */ 2576 if (mvmvif->deflink.he_ru_2mhz_block) 2577 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2578 2579 /* HTC flags */ 2580 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2581 2582 /* PPE Thresholds */ 2583 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2584 flags |= STA_CTXT_HE_PACKET_EXT; 2585 2586 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2587 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2588 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2589 2590 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2591 IEEE80211_HE_MAC_CAP2_ACK_EN) 2592 flags |= STA_CTXT_HE_ACK_ENABLED; 2593 2594 rcu_read_unlock(); 2595 2596 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2597 &sta_ctxt_cmd.trig_based_txf[0])) 2598 flags |= STA_CTXT_HE_MU_EDCA_CW; 2599 2600 if (vif->bss_conf.uora_exists) { 2601 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2602 2603 sta_ctxt_cmd.rand_alloc_ecwmin = 2604 vif->bss_conf.uora_ocw_range & 0x7; 2605 sta_ctxt_cmd.rand_alloc_ecwmax = 2606 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2607 } 2608 2609 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2610 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2611 2612 if (vif->bss_conf.nontransmitted) { 2613 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2614 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2615 vif->bss_conf.transmitter_bssid); 2616 sta_ctxt_cmd.max_bssid_indicator = 2617 vif->bss_conf.bssid_indicator; 2618 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2619 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2620 sta_ctxt_cmd.profile_periodicity = 2621 vif->bss_conf.profile_periodicity; 2622 } 2623 2624 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2625 2626 if (ver < 3) { 2627 /* fields before pkt_ext */ 2628 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2629 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2630 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2631 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2632 2633 /* pkt_ext */ 2634 for (i = 0; 2635 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2636 i++) { 2637 u8 bw; 2638 2639 for (bw = 0; 2640 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2641 bw++) { 2642 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2643 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2644 2645 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2646 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2647 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2648 } 2649 } 2650 2651 /* fields after pkt_ext */ 2652 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2653 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2654 sizeof(sta_ctxt_cmd_v2) - 2655 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2656 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2657 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2658 (u8 *)&sta_ctxt_cmd + 2659 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2660 sizeof(sta_ctxt_cmd) - 2661 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2662 sta_ctxt_cmd_v2.reserved3 = 0; 2663 } 2664 2665 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2666 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2667 } 2668 2669 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2670 u32 duration_override, unsigned int link_id) 2671 { 2672 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2673 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2674 2675 if (duration_override > duration) 2676 duration = duration_override; 2677 2678 /* Try really hard to protect the session and hear a beacon 2679 * The new session protection command allows us to protect the 2680 * session for a much longer time since the firmware will internally 2681 * create two events: a 300TU one with a very high priority that 2682 * won't be fragmented which should be enough for 99% of the cases, 2683 * and another one (which we configure here to be 900TU long) which 2684 * will have a slightly lower priority, but more importantly, can be 2685 * fragmented so that it'll allow other activities to run. 2686 */ 2687 if (fw_has_capa(&mvm->fw->ucode_capa, 2688 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2689 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2690 min_duration, false, 2691 link_id); 2692 else 2693 iwl_mvm_protect_session(mvm, vif, duration, 2694 min_duration, 500, false); 2695 } 2696 2697 /* Handle association common part to MLD and non-MLD modes */ 2698 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2699 struct ieee80211_vif *vif, 2700 u64 changes) 2701 { 2702 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2703 int ret; 2704 int link_id; 2705 2706 /* The firmware tracks the MU-MIMO group on its own. 2707 * However, on HW restart we should restore this data. 2708 */ 2709 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2710 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2711 ret = iwl_mvm_update_mu_groups(mvm, vif); 2712 if (ret) 2713 IWL_ERR(mvm, 2714 "failed to update VHT MU_MIMO groups\n"); 2715 } 2716 2717 iwl_mvm_recalc_multicast(mvm); 2718 2719 /* reset rssi values */ 2720 for_each_mvm_vif_valid_link(mvmvif, link_id) 2721 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2722 2723 iwl_mvm_bt_coex_vif_change(mvm); 2724 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2725 IEEE80211_SMPS_AUTOMATIC); 2726 if (fw_has_capa(&mvm->fw->ucode_capa, 2727 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2728 iwl_mvm_config_scan(mvm); 2729 } 2730 2731 /* Execute the common part for MLD and non-MLD modes */ 2732 void 2733 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2734 struct ieee80211_vif *vif, 2735 struct ieee80211_bss_conf *link_conf, 2736 u64 changes) 2737 { 2738 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2739 int ret; 2740 2741 if (changes & BSS_CHANGED_BEACON_INFO) { 2742 /* We received a beacon from the associated AP so 2743 * remove the session protection. 2744 */ 2745 iwl_mvm_stop_session_protection(mvm, vif); 2746 2747 iwl_mvm_sf_update(mvm, vif, false); 2748 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2749 } 2750 2751 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2752 /* Send power command on every beacon change, 2753 * because we may have not enabled beacon abort yet. 2754 */ 2755 BSS_CHANGED_BEACON_INFO)) { 2756 ret = iwl_mvm_power_update_mac(mvm); 2757 if (ret) 2758 IWL_ERR(mvm, "failed to update power mode\n"); 2759 } 2760 2761 if (changes & BSS_CHANGED_CQM) { 2762 struct iwl_mvm_vif_link_info *link_info = 2763 mvmvif->link[link_conf->link_id]; 2764 2765 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2766 if (link_info) 2767 link_info->bf_data.last_cqm_event = 0; 2768 2769 if (mvmvif->bf_enabled) { 2770 /* FIXME: need to update per link when FW API will 2771 * support it 2772 */ 2773 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2774 if (ret) 2775 IWL_ERR(mvm, 2776 "failed to update CQM thresholds\n"); 2777 } 2778 } 2779 2780 if (changes & BSS_CHANGED_BANDWIDTH) 2781 iwl_mvm_update_link_smps(vif, link_conf); 2782 } 2783 2784 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2785 struct ieee80211_vif *vif, 2786 struct ieee80211_bss_conf *bss_conf, 2787 u64 changes) 2788 { 2789 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2790 int ret; 2791 int i; 2792 2793 /* 2794 * Re-calculate the tsf id, as the leader-follower relations depend 2795 * on the beacon interval, which was not known when the station 2796 * interface was added. 2797 */ 2798 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2799 if ((vif->bss_conf.he_support && 2800 !iwlwifi_mod_params.disable_11ax)) 2801 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2802 2803 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2804 } 2805 2806 /* Update MU EDCA params */ 2807 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2808 vif->cfg.assoc && 2809 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2810 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2811 2812 /* 2813 * If we're not associated yet, take the (new) BSSID before associating 2814 * so the firmware knows. If we're already associated, then use the old 2815 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2816 * branch for disassociation below. 2817 */ 2818 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2819 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2820 2821 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2822 if (ret) 2823 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2824 2825 /* after sending it once, adopt mac80211 data */ 2826 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2827 mvmvif->associated = vif->cfg.assoc; 2828 2829 if (changes & BSS_CHANGED_ASSOC) { 2830 if (vif->cfg.assoc) { 2831 /* clear statistics to get clean beacon counter */ 2832 iwl_mvm_request_statistics(mvm, true); 2833 for_each_mvm_vif_valid_link(mvmvif, i) 2834 memset(&mvmvif->link[i]->beacon_stats, 0, 2835 sizeof(mvmvif->link[i]->beacon_stats)); 2836 2837 /* add quota for this interface */ 2838 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2839 if (ret) { 2840 IWL_ERR(mvm, "failed to update quotas\n"); 2841 return; 2842 } 2843 2844 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2845 &mvm->status) && 2846 !fw_has_capa(&mvm->fw->ucode_capa, 2847 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2848 /* 2849 * If we're restarting then the firmware will 2850 * obviously have lost synchronisation with 2851 * the AP. It will attempt to synchronise by 2852 * itself, but we can make it more reliable by 2853 * scheduling a session protection time event. 2854 * 2855 * The firmware needs to receive a beacon to 2856 * catch up with synchronisation, use 110% of 2857 * the beacon interval. 2858 * 2859 * Set a large maximum delay to allow for more 2860 * than a single interface. 2861 * 2862 * For new firmware versions, rely on the 2863 * firmware. This is relevant for DCM scenarios 2864 * only anyway. 2865 */ 2866 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2867 iwl_mvm_protect_session(mvm, vif, dur, dur, 2868 5 * dur, false); 2869 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2870 &mvm->status) && 2871 !vif->bss_conf.dtim_period) { 2872 /* 2873 * If we're not restarting and still haven't 2874 * heard a beacon (dtim period unknown) then 2875 * make sure we still have enough minimum time 2876 * remaining in the time event, since the auth 2877 * might actually have taken quite a while 2878 * (especially for SAE) and so the remaining 2879 * time could be small without us having heard 2880 * a beacon yet. 2881 */ 2882 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2883 } 2884 2885 iwl_mvm_sf_update(mvm, vif, false); 2886 iwl_mvm_power_vif_assoc(mvm, vif); 2887 if (vif->p2p) { 2888 iwl_mvm_update_smps(mvm, vif, 2889 IWL_MVM_SMPS_REQ_PROT, 2890 IEEE80211_SMPS_DYNAMIC, 0); 2891 } 2892 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2893 iwl_mvm_mei_host_disassociated(mvm); 2894 /* 2895 * If update fails - SF might be running in associated 2896 * mode while disassociated - which is forbidden. 2897 */ 2898 ret = iwl_mvm_sf_update(mvm, vif, false); 2899 WARN_ONCE(ret && 2900 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2901 &mvm->status), 2902 "Failed to update SF upon disassociation\n"); 2903 2904 /* 2905 * If we get an assert during the connection (after the 2906 * station has been added, but before the vif is set 2907 * to associated), mac80211 will re-add the station and 2908 * then configure the vif. Since the vif is not 2909 * associated, we would remove the station here and 2910 * this would fail the recovery. 2911 */ 2912 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2913 &mvm->status)) { 2914 /* first remove remaining keys */ 2915 iwl_mvm_sec_key_remove_ap(mvm, vif, 2916 &mvmvif->deflink, 0); 2917 2918 /* 2919 * Remove AP station now that 2920 * the MAC is unassoc 2921 */ 2922 ret = iwl_mvm_rm_sta_id(mvm, vif, 2923 mvmvif->deflink.ap_sta_id); 2924 if (ret) 2925 IWL_ERR(mvm, 2926 "failed to remove AP station\n"); 2927 2928 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2929 } 2930 2931 /* remove quota for this interface */ 2932 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2933 if (ret) 2934 IWL_ERR(mvm, "failed to update quotas\n"); 2935 2936 /* this will take the cleared BSSID from bss_conf */ 2937 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2938 if (ret) 2939 IWL_ERR(mvm, 2940 "failed to update MAC %pM (clear after unassoc)\n", 2941 vif->addr); 2942 } 2943 2944 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2945 } 2946 2947 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2948 changes); 2949 } 2950 2951 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2952 struct ieee80211_vif *vif, 2953 int *ret) 2954 { 2955 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2956 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2957 int i; 2958 2959 lockdep_assert_held(&mvm->mutex); 2960 2961 mvmvif->ap_assoc_sta_count = 0; 2962 2963 /* must be set before quota calculations */ 2964 mvmvif->ap_ibss_active = true; 2965 2966 /* send all the early keys to the device now */ 2967 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2968 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2969 2970 if (!key) 2971 continue; 2972 2973 mvmvif->ap_early_keys[i] = NULL; 2974 2975 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 2976 if (*ret) 2977 return true; 2978 } 2979 2980 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 2981 iwl_mvm_vif_set_low_latency(mvmvif, true, 2982 LOW_LATENCY_VIF_TYPE); 2983 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 2984 } 2985 2986 /* power updated needs to be done before quotas */ 2987 iwl_mvm_power_update_mac(mvm); 2988 2989 return false; 2990 } 2991 2992 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 2993 struct ieee80211_vif *vif, 2994 struct ieee80211_bss_conf *link_conf) 2995 { 2996 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2997 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2998 int ret; 2999 3000 mutex_lock(&mvm->mutex); 3001 3002 /* 3003 * Re-calculate the tsf id, as the leader-follower relations depend on 3004 * the beacon interval, which was not known when the AP interface 3005 * was added. 3006 */ 3007 if (vif->type == NL80211_IFTYPE_AP) 3008 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3009 3010 /* For older devices need to send beacon template before adding mac 3011 * context. For the newer, the beacon is a resource that belongs to a 3012 * MAC, so need to send beacon template after adding the mac. 3013 */ 3014 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3015 /* Add the mac context */ 3016 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3017 if (ret) 3018 goto out_unlock; 3019 3020 /* Send the beacon template */ 3021 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3022 if (ret) 3023 goto out_unlock; 3024 } else { 3025 /* Send the beacon template */ 3026 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3027 if (ret) 3028 goto out_unlock; 3029 3030 /* Add the mac context */ 3031 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3032 if (ret) 3033 goto out_unlock; 3034 } 3035 3036 /* Perform the binding */ 3037 ret = iwl_mvm_binding_add_vif(mvm, vif); 3038 if (ret) 3039 goto out_remove; 3040 3041 /* 3042 * This is not very nice, but the simplest: 3043 * For older FWs adding the mcast sta before the bcast station may 3044 * cause assert 0x2b00. 3045 * This is fixed in later FW so make the order of removal depend on 3046 * the TLV 3047 */ 3048 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3049 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3050 if (ret) 3051 goto out_unbind; 3052 /* 3053 * Send the bcast station. At this stage the TBTT and DTIM time 3054 * events are added and applied to the scheduler 3055 */ 3056 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3057 if (ret) { 3058 iwl_mvm_rm_mcast_sta(mvm, vif); 3059 goto out_unbind; 3060 } 3061 } else { 3062 /* 3063 * Send the bcast station. At this stage the TBTT and DTIM time 3064 * events are added and applied to the scheduler 3065 */ 3066 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3067 if (ret) 3068 goto out_unbind; 3069 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3070 if (ret) { 3071 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3072 goto out_unbind; 3073 } 3074 } 3075 3076 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3077 goto out_failed; 3078 3079 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3080 if (ret) 3081 goto out_failed; 3082 3083 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3084 if (vif->p2p && mvm->p2p_device_vif) 3085 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3086 3087 iwl_mvm_bt_coex_vif_change(mvm); 3088 3089 /* we don't support TDLS during DCM */ 3090 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3091 iwl_mvm_teardown_tdls_peers(mvm); 3092 3093 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3094 3095 goto out_unlock; 3096 3097 out_failed: 3098 iwl_mvm_power_update_mac(mvm); 3099 mvmvif->ap_ibss_active = false; 3100 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3101 iwl_mvm_rm_mcast_sta(mvm, vif); 3102 out_unbind: 3103 iwl_mvm_binding_remove_vif(mvm, vif); 3104 out_remove: 3105 iwl_mvm_mac_ctxt_remove(mvm, vif); 3106 out_unlock: 3107 mutex_unlock(&mvm->mutex); 3108 return ret; 3109 } 3110 3111 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3112 struct ieee80211_vif *vif, 3113 struct ieee80211_bss_conf *link_conf) 3114 { 3115 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3116 } 3117 3118 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3119 struct ieee80211_vif *vif) 3120 { 3121 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3122 } 3123 3124 /* Common part for MLD and non-MLD ops */ 3125 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3126 struct ieee80211_vif *vif) 3127 { 3128 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3129 3130 lockdep_assert_held(&mvm->mutex); 3131 3132 iwl_mvm_prepare_mac_removal(mvm, vif); 3133 3134 /* Handle AP stop while in CSA */ 3135 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3136 iwl_mvm_remove_time_event(mvm, mvmvif, 3137 &mvmvif->time_event_data); 3138 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3139 mvmvif->csa_countdown = false; 3140 } 3141 3142 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3143 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3144 mvm->csa_tx_block_bcn_timeout = 0; 3145 } 3146 3147 mvmvif->ap_ibss_active = false; 3148 mvm->ap_last_beacon_gp2 = 0; 3149 3150 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3151 iwl_mvm_vif_set_low_latency(mvmvif, false, 3152 LOW_LATENCY_VIF_TYPE); 3153 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3154 } 3155 3156 iwl_mvm_bt_coex_vif_change(mvm); 3157 } 3158 3159 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3160 struct ieee80211_vif *vif, 3161 struct ieee80211_bss_conf *link_conf) 3162 { 3163 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3164 3165 mutex_lock(&mvm->mutex); 3166 3167 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3168 3169 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3170 if (vif->p2p && mvm->p2p_device_vif) 3171 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3172 3173 iwl_mvm_update_quotas(mvm, false, NULL); 3174 3175 iwl_mvm_ftm_responder_clear(mvm, vif); 3176 3177 /* 3178 * This is not very nice, but the simplest: 3179 * For older FWs removing the mcast sta before the bcast station may 3180 * cause assert 0x2b00. 3181 * This is fixed in later FW (which will stop beaconing when removing 3182 * bcast station). 3183 * So make the order of removal depend on the TLV 3184 */ 3185 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3186 iwl_mvm_rm_mcast_sta(mvm, vif); 3187 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3188 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3189 iwl_mvm_rm_mcast_sta(mvm, vif); 3190 iwl_mvm_binding_remove_vif(mvm, vif); 3191 3192 iwl_mvm_power_update_mac(mvm); 3193 3194 iwl_mvm_mac_ctxt_remove(mvm, vif); 3195 3196 mutex_unlock(&mvm->mutex); 3197 } 3198 3199 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3200 struct ieee80211_vif *vif, 3201 struct ieee80211_bss_conf *link_conf) 3202 { 3203 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3204 } 3205 3206 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3207 struct ieee80211_vif *vif) 3208 { 3209 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3210 } 3211 3212 static void 3213 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3214 struct ieee80211_vif *vif, 3215 struct ieee80211_bss_conf *bss_conf, 3216 u64 changes) 3217 { 3218 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3219 3220 /* Changes will be applied when the AP/IBSS is started */ 3221 if (!mvmvif->ap_ibss_active) 3222 return; 3223 3224 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3225 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3226 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3227 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3228 3229 /* Need to send a new beacon template to the FW */ 3230 if (changes & BSS_CHANGED_BEACON && 3231 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3232 IWL_WARN(mvm, "Failed updating beacon data\n"); 3233 3234 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3235 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3236 3237 if (ret) 3238 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3239 ret); 3240 } 3241 3242 } 3243 3244 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3245 struct ieee80211_vif *vif, 3246 struct ieee80211_bss_conf *bss_conf, 3247 u64 changes) 3248 { 3249 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3250 3251 mutex_lock(&mvm->mutex); 3252 3253 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3254 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3255 3256 switch (vif->type) { 3257 case NL80211_IFTYPE_STATION: 3258 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3259 break; 3260 case NL80211_IFTYPE_AP: 3261 case NL80211_IFTYPE_ADHOC: 3262 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3263 break; 3264 case NL80211_IFTYPE_MONITOR: 3265 if (changes & BSS_CHANGED_MU_GROUPS) 3266 iwl_mvm_update_mu_groups(mvm, vif); 3267 break; 3268 default: 3269 /* shouldn't happen */ 3270 WARN_ON_ONCE(1); 3271 } 3272 3273 if (changes & BSS_CHANGED_TXPOWER) { 3274 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3275 bss_conf->txpower); 3276 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3277 } 3278 3279 mutex_unlock(&mvm->mutex); 3280 } 3281 3282 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3283 struct ieee80211_scan_request *hw_req) 3284 { 3285 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3286 int ret; 3287 3288 if (hw_req->req.n_channels == 0 || 3289 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3290 return -EINVAL; 3291 3292 mutex_lock(&mvm->mutex); 3293 ret = iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3294 mutex_unlock(&mvm->mutex); 3295 3296 return ret; 3297 } 3298 3299 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3300 struct ieee80211_vif *vif) 3301 { 3302 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3303 3304 mutex_lock(&mvm->mutex); 3305 3306 /* Due to a race condition, it's possible that mac80211 asks 3307 * us to stop a hw_scan when it's already stopped. This can 3308 * happen, for instance, if we stopped the scan ourselves, 3309 * called ieee80211_scan_completed() and the userspace called 3310 * cancel scan scan before ieee80211_scan_work() could run. 3311 * To handle that, simply return if the scan is not running. 3312 */ 3313 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3314 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3315 3316 mutex_unlock(&mvm->mutex); 3317 } 3318 3319 void 3320 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3321 struct ieee80211_sta *sta, u16 tids, 3322 int num_frames, 3323 enum ieee80211_frame_release_type reason, 3324 bool more_data) 3325 { 3326 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3327 3328 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3329 3330 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3331 tids, more_data, false); 3332 } 3333 3334 void 3335 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3336 struct ieee80211_sta *sta, u16 tids, 3337 int num_frames, 3338 enum ieee80211_frame_release_type reason, 3339 bool more_data) 3340 { 3341 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3342 3343 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3344 3345 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3346 tids, more_data, true); 3347 } 3348 3349 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3350 enum sta_notify_cmd cmd, 3351 struct ieee80211_sta *sta) 3352 { 3353 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3354 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3355 unsigned long txqs = 0, tids = 0; 3356 int tid; 3357 3358 /* 3359 * If we have TVQM then we get too high queue numbers - luckily 3360 * we really shouldn't get here with that because such hardware 3361 * should have firmware supporting buffer station offload. 3362 */ 3363 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3364 return; 3365 3366 spin_lock_bh(&mvmsta->lock); 3367 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3368 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3369 3370 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3371 continue; 3372 3373 __set_bit(tid_data->txq_id, &txqs); 3374 3375 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3376 continue; 3377 3378 __set_bit(tid, &tids); 3379 } 3380 3381 switch (cmd) { 3382 case STA_NOTIFY_SLEEP: 3383 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3384 ieee80211_sta_set_buffered(sta, tid, true); 3385 3386 if (txqs) 3387 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3388 /* 3389 * The fw updates the STA to be asleep. Tx packets on the Tx 3390 * queues to this station will not be transmitted. The fw will 3391 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3392 */ 3393 break; 3394 case STA_NOTIFY_AWAKE: 3395 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3396 break; 3397 3398 if (txqs) 3399 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3400 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3401 break; 3402 default: 3403 break; 3404 } 3405 spin_unlock_bh(&mvmsta->lock); 3406 } 3407 3408 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3409 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3410 { 3411 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3412 } 3413 3414 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3415 { 3416 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3417 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3418 struct ieee80211_sta *sta; 3419 struct iwl_mvm_sta *mvmsta; 3420 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3421 3422 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3423 return; 3424 3425 rcu_read_lock(); 3426 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3427 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3428 rcu_read_unlock(); 3429 return; 3430 } 3431 3432 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3433 3434 if (!mvmsta->vif || 3435 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3436 rcu_read_unlock(); 3437 return; 3438 } 3439 3440 if (mvmsta->sleeping != sleeping) { 3441 mvmsta->sleeping = sleeping; 3442 __iwl_mvm_mac_sta_notify(mvm->hw, 3443 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3444 sta); 3445 ieee80211_sta_ps_transition(sta, sleeping); 3446 } 3447 3448 if (sleeping) { 3449 switch (notif->type) { 3450 case IWL_MVM_PM_EVENT_AWAKE: 3451 case IWL_MVM_PM_EVENT_ASLEEP: 3452 break; 3453 case IWL_MVM_PM_EVENT_UAPSD: 3454 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3455 break; 3456 case IWL_MVM_PM_EVENT_PS_POLL: 3457 ieee80211_sta_pspoll(sta); 3458 break; 3459 default: 3460 break; 3461 } 3462 } 3463 3464 rcu_read_unlock(); 3465 } 3466 3467 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3468 struct ieee80211_vif *vif, 3469 struct ieee80211_sta *sta) 3470 { 3471 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3472 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3473 unsigned int link_id; 3474 3475 /* 3476 * This is called before mac80211 does RCU synchronisation, 3477 * so here we already invalidate our internal RCU-protected 3478 * station pointer. The rest of the code will thus no longer 3479 * be able to find the station this way, and we don't rely 3480 * on further RCU synchronisation after the sta_state() 3481 * callback deleted the station. 3482 * Since there's mvm->mutex here, no need to have RCU lock for 3483 * mvm_sta->link access. 3484 */ 3485 mutex_lock(&mvm->mutex); 3486 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3487 struct iwl_mvm_link_sta *link_sta; 3488 u32 sta_id; 3489 3490 if (!mvm_sta->link[link_id]) 3491 continue; 3492 3493 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3494 lockdep_is_held(&mvm->mutex)); 3495 sta_id = link_sta->sta_id; 3496 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3497 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3498 ERR_PTR(-ENOENT)); 3499 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3500 } 3501 } 3502 mutex_unlock(&mvm->mutex); 3503 } 3504 3505 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3506 const u8 *bssid) 3507 { 3508 int i; 3509 3510 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3511 struct iwl_mvm_tcm_mac *mdata; 3512 3513 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3514 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3515 mdata->opened_rx_ba_sessions = false; 3516 } 3517 3518 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3519 return; 3520 3521 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3522 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3523 return; 3524 } 3525 3526 if (!vif->p2p && 3527 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3528 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3529 return; 3530 } 3531 3532 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3533 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3534 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3535 return; 3536 } 3537 } 3538 3539 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3540 } 3541 3542 static void 3543 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3544 struct ieee80211_vif *vif, u8 *peer_addr, 3545 enum nl80211_tdls_operation action) 3546 { 3547 struct iwl_fw_dbg_trigger_tlv *trig; 3548 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3549 3550 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3551 FW_DBG_TRIGGER_TDLS); 3552 if (!trig) 3553 return; 3554 3555 tdls_trig = (void *)trig->data; 3556 3557 if (!(tdls_trig->action_bitmap & BIT(action))) 3558 return; 3559 3560 if (tdls_trig->peer_mode && 3561 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3562 return; 3563 3564 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3565 "TDLS event occurred, peer %pM, action %d", 3566 peer_addr, action); 3567 } 3568 3569 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3570 bool tolerated; 3571 }; 3572 3573 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3574 struct cfg80211_bss *bss, 3575 void *_data) 3576 { 3577 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3578 const struct cfg80211_bss_ies *ies; 3579 const struct element *elem; 3580 3581 rcu_read_lock(); 3582 ies = rcu_dereference(bss->ies); 3583 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3584 ies->len); 3585 3586 if (!elem || elem->datalen < 10 || 3587 !(elem->data[10] & 3588 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3589 data->tolerated = false; 3590 } 3591 rcu_read_unlock(); 3592 } 3593 3594 static void 3595 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3596 struct ieee80211_vif *vif, 3597 unsigned int link_id, 3598 struct ieee80211_bss_conf *link_conf) 3599 { 3600 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3601 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3602 .tolerated = true, 3603 }; 3604 3605 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3606 !mvmvif->link[link_id])) 3607 return; 3608 3609 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3610 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3611 return; 3612 } 3613 3614 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3615 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3616 &iter_data); 3617 3618 /* 3619 * If there is at least one AP on radar channel that cannot 3620 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3621 */ 3622 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3623 } 3624 3625 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3626 struct ieee80211_vif *vif) 3627 { 3628 struct ieee80211_supported_band *sband; 3629 const struct ieee80211_sta_he_cap *he_cap; 3630 3631 if (vif->type != NL80211_IFTYPE_STATION) 3632 return; 3633 3634 if (!mvm->cca_40mhz_workaround) 3635 return; 3636 3637 /* decrement and check that we reached zero */ 3638 mvm->cca_40mhz_workaround--; 3639 if (mvm->cca_40mhz_workaround) 3640 return; 3641 3642 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3643 3644 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3645 3646 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3647 3648 if (he_cap) { 3649 /* we know that ours is writable */ 3650 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3651 3652 he->he_cap_elem.phy_cap_info[0] |= 3653 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3654 } 3655 } 3656 3657 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3658 struct ieee80211_vif *vif, 3659 struct iwl_mvm_sta *mvm_sta) 3660 { 3661 #if IS_ENABLED(CONFIG_IWLMEI) 3662 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3663 struct iwl_mei_conn_info conn_info = { 3664 .ssid_len = vif->cfg.ssid_len, 3665 }; 3666 3667 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3668 return; 3669 3670 if (!mvm->mei_registered) 3671 return; 3672 3673 /* FIXME: MEI needs to be updated for MLO */ 3674 if (!vif->bss_conf.chanreq.oper.chan) 3675 return; 3676 3677 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3678 3679 switch (mvm_sta->pairwise_cipher) { 3680 case WLAN_CIPHER_SUITE_TKIP: 3681 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3682 break; 3683 case WLAN_CIPHER_SUITE_CCMP: 3684 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3685 break; 3686 case WLAN_CIPHER_SUITE_GCMP: 3687 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3688 break; 3689 case WLAN_CIPHER_SUITE_GCMP_256: 3690 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3691 break; 3692 case 0: 3693 /* open profile */ 3694 break; 3695 default: 3696 /* cipher not supported, don't send anything to iwlmei */ 3697 return; 3698 } 3699 3700 switch (mvmvif->rekey_data.akm) { 3701 case WLAN_AKM_SUITE_SAE & 0xff: 3702 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3703 break; 3704 case WLAN_AKM_SUITE_PSK & 0xff: 3705 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3706 break; 3707 case WLAN_AKM_SUITE_8021X & 0xff: 3708 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3709 break; 3710 case 0: 3711 /* open profile */ 3712 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3713 break; 3714 default: 3715 /* auth method / AKM not supported */ 3716 /* TODO: All the FT vesions of these? */ 3717 return; 3718 } 3719 3720 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3721 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3722 3723 /* TODO: add support for collocated AP data */ 3724 iwl_mei_host_associated(&conn_info, NULL); 3725 #endif 3726 } 3727 3728 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3729 struct ieee80211_vif *vif, 3730 bool force_assoc_off) 3731 { 3732 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3733 } 3734 3735 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3736 struct ieee80211_vif *vif, 3737 struct ieee80211_sta *sta, 3738 enum ieee80211_sta_state old_state, 3739 enum ieee80211_sta_state new_state) 3740 { 3741 static const struct iwl_mvm_sta_state_ops callbacks = { 3742 .add_sta = iwl_mvm_add_sta, 3743 .update_sta = iwl_mvm_update_sta, 3744 .rm_sta = iwl_mvm_rm_sta, 3745 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3746 }; 3747 3748 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3749 &callbacks); 3750 } 3751 3752 /* FIXME: temporary making two assumptions in all sta handling functions: 3753 * (1) when setting sta state, the link exists and protected 3754 * (2) if a link is valid in sta then it's valid in vif (can 3755 * use same index in the link array) 3756 */ 3757 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3758 struct ieee80211_vif *vif, 3759 struct ieee80211_sta *sta) 3760 { 3761 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3762 unsigned int link_id; 3763 3764 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3765 struct ieee80211_bss_conf *conf = 3766 link_conf_dereference_check(vif, link_id); 3767 struct ieee80211_link_sta *link_sta = 3768 link_sta_dereference_check(sta, link_id); 3769 3770 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3771 continue; 3772 3773 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3774 mvmvif->link[link_id]->phy_ctxt->channel->band); 3775 } 3776 } 3777 3778 #define IWL_MVM_MIN_BEACON_INTERVAL_TU 16 3779 3780 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3781 struct ieee80211_vif *vif, 3782 struct ieee80211_sta *sta) 3783 { 3784 struct ieee80211_link_sta *link_sta; 3785 unsigned int link_id; 3786 3787 /* Beacon interval check - firmware will crash if the beacon 3788 * interval is less than 16. We can't avoid connecting at all, 3789 * so refuse the station state change, this will cause mac80211 3790 * to abandon attempts to connect to this AP, and eventually 3791 * wpa_s will blocklist the AP... 3792 */ 3793 3794 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3795 struct ieee80211_bss_conf *link_conf = 3796 link_conf_dereference_protected(vif, link_id); 3797 3798 if (!link_conf) 3799 continue; 3800 3801 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3802 IWL_ERR(mvm, 3803 "Beacon interval %d for AP %pM is too small\n", 3804 link_conf->beacon_int, link_sta->addr); 3805 return false; 3806 } 3807 3808 link_conf->he_support = link_sta->he_cap.has_he; 3809 } 3810 3811 return true; 3812 } 3813 3814 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3815 struct ieee80211_vif *vif, 3816 struct ieee80211_sta *sta, 3817 bool is_sta) 3818 { 3819 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3820 struct ieee80211_link_sta *link_sta; 3821 unsigned int link_id; 3822 3823 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3824 struct ieee80211_bss_conf *link_conf = 3825 link_conf_dereference_protected(vif, link_id); 3826 3827 if (!link_conf || !mvmvif->link[link_id]) 3828 continue; 3829 3830 link_conf->he_support = link_sta->he_cap.has_he; 3831 3832 if (is_sta) { 3833 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3834 if (link_sta->he_cap.has_he) 3835 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3836 link_id, 3837 link_conf); 3838 } 3839 } 3840 } 3841 3842 static int 3843 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3844 struct ieee80211_vif *vif, 3845 struct ieee80211_sta *sta, 3846 const struct iwl_mvm_sta_state_ops *callbacks) 3847 { 3848 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3849 struct ieee80211_link_sta *link_sta; 3850 unsigned int i; 3851 int ret; 3852 3853 lockdep_assert_held(&mvm->mutex); 3854 3855 if (vif->type == NL80211_IFTYPE_STATION && 3856 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3857 return -EINVAL; 3858 3859 if (sta->tdls && 3860 (vif->p2p || 3861 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3862 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3863 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3864 return -EBUSY; 3865 } 3866 3867 ret = callbacks->add_sta(mvm, vif, sta); 3868 if (sta->tdls && ret == 0) { 3869 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3870 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3871 NL80211_TDLS_SETUP); 3872 } 3873 3874 if (ret) 3875 return ret; 3876 3877 for_each_sta_active_link(vif, sta, link_sta, i) 3878 link_sta->agg.max_rc_amsdu_len = 1; 3879 3880 ieee80211_sta_recalc_aggregates(sta); 3881 3882 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3883 mvmvif->ap_sta = sta; 3884 3885 /* 3886 * Initialize the rates here already - this really tells 3887 * the firmware only what the supported legacy rates are 3888 * (may be) since it's initialized already from what the 3889 * AP advertised in the beacon/probe response. This will 3890 * allow the firmware to send auth/assoc frames with one 3891 * of the supported rates already, rather than having to 3892 * use a mandatory rate. 3893 * If we're the AP, we'll just assume mandatory rates at 3894 * this point, but we know nothing about the STA anyway. 3895 */ 3896 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3897 3898 return 0; 3899 } 3900 3901 static int 3902 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3903 struct iwl_mvm *mvm, 3904 struct ieee80211_vif *vif, 3905 struct ieee80211_sta *sta, 3906 const struct iwl_mvm_sta_state_ops *callbacks) 3907 { 3908 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3909 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3910 struct ieee80211_link_sta *link_sta; 3911 unsigned int link_id; 3912 3913 lockdep_assert_held(&mvm->mutex); 3914 3915 if (vif->type == NL80211_IFTYPE_AP) { 3916 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3917 mvmvif->ap_assoc_sta_count++; 3918 callbacks->mac_ctxt_changed(mvm, vif, false); 3919 3920 /* since the below is not for MLD API, it's ok to use 3921 * the default bss_conf 3922 */ 3923 if (!mvm->mld_api_is_used && 3924 (vif->bss_conf.he_support && 3925 !iwlwifi_mod_params.disable_11ax)) 3926 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3927 } else if (vif->type == NL80211_IFTYPE_STATION) { 3928 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3929 3930 callbacks->mac_ctxt_changed(mvm, vif, false); 3931 3932 if (!mvm->mld_api_is_used) 3933 goto out; 3934 3935 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3936 struct ieee80211_bss_conf *link_conf = 3937 link_conf_dereference_protected(vif, link_id); 3938 3939 if (WARN_ON(!link_conf)) 3940 return -EINVAL; 3941 if (!mvmvif->link[link_id]) 3942 continue; 3943 3944 iwl_mvm_link_changed(mvm, vif, link_conf, 3945 LINK_CONTEXT_MODIFY_ALL & 3946 ~LINK_CONTEXT_MODIFY_ACTIVE, 3947 true); 3948 } 3949 } 3950 3951 out: 3952 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3953 3954 return callbacks->update_sta(mvm, vif, sta); 3955 } 3956 3957 static int 3958 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3959 struct ieee80211_vif *vif, 3960 struct ieee80211_sta *sta, 3961 const struct iwl_mvm_sta_state_ops *callbacks) 3962 { 3963 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3964 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3965 3966 lockdep_assert_held(&mvm->mutex); 3967 3968 /* we don't support TDLS during DCM */ 3969 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3970 iwl_mvm_teardown_tdls_peers(mvm); 3971 3972 if (sta->tdls) { 3973 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3974 NL80211_TDLS_ENABLE_LINK); 3975 } else { 3976 /* enable beacon filtering */ 3977 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 3978 3979 mvmvif->authorized = 1; 3980 3981 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3982 mvmvif->link_selection_res = vif->active_links; 3983 mvmvif->link_selection_primary = 3984 vif->active_links ? __ffs(vif->active_links) : 0; 3985 } 3986 3987 callbacks->mac_ctxt_changed(mvm, vif, false); 3988 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 3989 3990 memset(&mvmvif->last_esr_exit, 0, 3991 sizeof(mvmvif->last_esr_exit)); 3992 3993 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 3994 3995 /* Block until FW notif will arrive */ 3996 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 3997 3998 /* when client is authorized (AP station marked as such), 3999 * try to enable the best link(s). 4000 */ 4001 if (vif->type == NL80211_IFTYPE_STATION && 4002 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4003 iwl_mvm_select_links(mvm, vif); 4004 } 4005 4006 mvm_sta->authorized = true; 4007 4008 /* MFP is set by default before the station is authorized. 4009 * Clear it here in case it's not used. 4010 */ 4011 if (!sta->mfp) { 4012 int ret = callbacks->update_sta(mvm, vif, sta); 4013 4014 if (ret) 4015 return ret; 4016 } 4017 4018 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4019 4020 return 0; 4021 } 4022 4023 static int 4024 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4025 struct ieee80211_vif *vif, 4026 struct ieee80211_sta *sta, 4027 const struct iwl_mvm_sta_state_ops *callbacks) 4028 { 4029 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4030 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4031 4032 lockdep_assert_held(&mvm->mutex); 4033 4034 mvmsta->authorized = false; 4035 4036 /* once we move into assoc state, need to update rate scale to 4037 * disable using wide bandwidth 4038 */ 4039 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4040 4041 if (!sta->tdls) { 4042 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4043 * yet to avoid sending high prio again for a little 4044 * time. 4045 */ 4046 mvmvif->authorized = 0; 4047 mvmvif->link_selection_res = 0; 4048 4049 /* disable beacon filtering */ 4050 iwl_mvm_disable_beacon_filter(mvm, vif); 4051 4052 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4053 &mvmvif->prevent_esr_done_wk); 4054 4055 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4056 &mvmvif->mlo_int_scan_wk); 4057 4058 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4059 4060 /* No need for the periodic statistics anymore */ 4061 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4062 iwl_mvm_request_periodic_system_statistics(mvm, false); 4063 } 4064 4065 return 0; 4066 } 4067 4068 /* Common part for MLD and non-MLD modes */ 4069 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4070 struct ieee80211_vif *vif, 4071 struct ieee80211_sta *sta, 4072 enum ieee80211_sta_state old_state, 4073 enum ieee80211_sta_state new_state, 4074 const struct iwl_mvm_sta_state_ops *callbacks) 4075 { 4076 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4077 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4078 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4079 struct ieee80211_link_sta *link_sta; 4080 unsigned int link_id; 4081 int ret; 4082 4083 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4084 sta->addr, old_state, new_state); 4085 4086 /* 4087 * If we are in a STA removal flow and in DQA mode: 4088 * 4089 * This is after the sync_rcu part, so the queues have already been 4090 * flushed. No more TXs on their way in mac80211's path, and no more in 4091 * the queues. 4092 * Also, we won't be getting any new TX frames for this station. 4093 * What we might have are deferred TX frames that need to be taken care 4094 * of. 4095 * 4096 * Drop any still-queued deferred-frame before removing the STA, and 4097 * make sure the worker is no longer handling frames for this STA. 4098 */ 4099 if (old_state == IEEE80211_STA_NONE && 4100 new_state == IEEE80211_STA_NOTEXIST) { 4101 flush_work(&mvm->add_stream_wk); 4102 4103 /* 4104 * No need to make sure deferred TX indication is off since the 4105 * worker will already remove it if it was on 4106 */ 4107 4108 /* 4109 * Additionally, reset the 40 MHz capability if we disconnected 4110 * from the AP now. 4111 */ 4112 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4113 4114 /* Also free dup data just in case any assertions below fail */ 4115 kfree(mvm_sta->dup_data); 4116 } 4117 4118 mutex_lock(&mvm->mutex); 4119 4120 /* this would be a mac80211 bug ... but don't crash, unless we had a 4121 * firmware crash while we were activating a link, in which case it is 4122 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4123 * recovery flow since we spit tons of error messages anyway. 4124 */ 4125 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4126 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4127 !mvmvif->link[link_id]->phy_ctxt)) { 4128 mutex_unlock(&mvm->mutex); 4129 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4130 &mvm->status) ? 0 : -EINVAL; 4131 } 4132 } 4133 4134 /* track whether or not the station is associated */ 4135 mvm_sta->sta_state = new_state; 4136 4137 if (old_state == IEEE80211_STA_NOTEXIST && 4138 new_state == IEEE80211_STA_NONE) { 4139 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4140 callbacks); 4141 if (ret < 0) 4142 goto out_unlock; 4143 } else if (old_state == IEEE80211_STA_NONE && 4144 new_state == IEEE80211_STA_AUTH) { 4145 /* 4146 * EBS may be disabled due to previous failures reported by FW. 4147 * Reset EBS status here assuming environment has been changed. 4148 */ 4149 mvm->last_ebs_successful = true; 4150 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4151 ret = 0; 4152 } else if (old_state == IEEE80211_STA_AUTH && 4153 new_state == IEEE80211_STA_ASSOC) { 4154 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4155 callbacks); 4156 } else if (old_state == IEEE80211_STA_ASSOC && 4157 new_state == IEEE80211_STA_AUTHORIZED) { 4158 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4159 callbacks); 4160 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4161 new_state == IEEE80211_STA_ASSOC) { 4162 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4163 callbacks); 4164 } else if (old_state == IEEE80211_STA_ASSOC && 4165 new_state == IEEE80211_STA_AUTH) { 4166 if (vif->type == NL80211_IFTYPE_AP) { 4167 mvmvif->ap_assoc_sta_count--; 4168 callbacks->mac_ctxt_changed(mvm, vif, false); 4169 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4170 iwl_mvm_stop_session_protection(mvm, vif); 4171 ret = 0; 4172 } else if (old_state == IEEE80211_STA_AUTH && 4173 new_state == IEEE80211_STA_NONE) { 4174 ret = 0; 4175 } else if (old_state == IEEE80211_STA_NONE && 4176 new_state == IEEE80211_STA_NOTEXIST) { 4177 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4178 iwl_mvm_stop_session_protection(mvm, vif); 4179 mvmvif->ap_sta = NULL; 4180 } 4181 ret = callbacks->rm_sta(mvm, vif, sta); 4182 if (sta->tdls) { 4183 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4184 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4185 NL80211_TDLS_DISABLE_LINK); 4186 } 4187 4188 if (unlikely(ret && 4189 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4190 &mvm->status))) 4191 ret = 0; 4192 } else { 4193 ret = -EIO; 4194 } 4195 out_unlock: 4196 mutex_unlock(&mvm->mutex); 4197 4198 if (sta->tdls && ret == 0) { 4199 if (old_state == IEEE80211_STA_NOTEXIST && 4200 new_state == IEEE80211_STA_NONE) 4201 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4202 else if (old_state == IEEE80211_STA_NONE && 4203 new_state == IEEE80211_STA_NOTEXIST) 4204 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4205 } 4206 4207 return ret; 4208 } 4209 4210 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4211 { 4212 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4213 4214 mvm->rts_threshold = value; 4215 4216 return 0; 4217 } 4218 4219 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4220 struct ieee80211_sta *sta, u32 changed) 4221 { 4222 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4223 4224 if (changed & (IEEE80211_RC_BW_CHANGED | 4225 IEEE80211_RC_SUPP_RATES_CHANGED | 4226 IEEE80211_RC_NSS_CHANGED)) 4227 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4228 4229 if (vif->type == NL80211_IFTYPE_STATION && 4230 changed & IEEE80211_RC_NSS_CHANGED) 4231 iwl_mvm_sf_update(mvm, vif, false); 4232 } 4233 4234 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4235 struct ieee80211_vif *vif, 4236 unsigned int link_id, u16 ac, 4237 const struct ieee80211_tx_queue_params *params) 4238 { 4239 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4240 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4241 4242 mvmvif->deflink.queue_params[ac] = *params; 4243 4244 /* 4245 * No need to update right away, we'll get BSS_CHANGED_QOS 4246 * The exception is P2P_DEVICE interface which needs immediate update. 4247 */ 4248 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4249 int ret; 4250 4251 mutex_lock(&mvm->mutex); 4252 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4253 mutex_unlock(&mvm->mutex); 4254 return ret; 4255 } 4256 return 0; 4257 } 4258 4259 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4260 struct ieee80211_vif *vif, 4261 struct ieee80211_prep_tx_info *info) 4262 { 4263 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4264 4265 mutex_lock(&mvm->mutex); 4266 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4267 mutex_unlock(&mvm->mutex); 4268 } 4269 4270 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4271 struct ieee80211_vif *vif, 4272 struct ieee80211_prep_tx_info *info) 4273 { 4274 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4275 4276 /* for successful cases (auth/assoc), don't cancel session protection */ 4277 if (info->success) 4278 return; 4279 4280 mutex_lock(&mvm->mutex); 4281 iwl_mvm_stop_session_protection(mvm, vif); 4282 mutex_unlock(&mvm->mutex); 4283 } 4284 4285 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4286 struct ieee80211_vif *vif, 4287 struct cfg80211_sched_scan_request *req, 4288 struct ieee80211_scan_ies *ies) 4289 { 4290 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4291 4292 int ret; 4293 4294 mutex_lock(&mvm->mutex); 4295 4296 if (!vif->cfg.idle) { 4297 ret = -EBUSY; 4298 goto out; 4299 } 4300 4301 ret = iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4302 4303 out: 4304 mutex_unlock(&mvm->mutex); 4305 return ret; 4306 } 4307 4308 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4309 struct ieee80211_vif *vif) 4310 { 4311 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4312 int ret; 4313 4314 mutex_lock(&mvm->mutex); 4315 4316 /* Due to a race condition, it's possible that mac80211 asks 4317 * us to stop a sched_scan when it's already stopped. This 4318 * can happen, for instance, if we stopped the scan ourselves, 4319 * called ieee80211_sched_scan_stopped() and the userspace called 4320 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4321 * could run. To handle this, simply return if the scan is 4322 * not running. 4323 */ 4324 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4325 mutex_unlock(&mvm->mutex); 4326 return 0; 4327 } 4328 4329 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4330 mutex_unlock(&mvm->mutex); 4331 iwl_mvm_wait_for_async_handlers(mvm); 4332 4333 return ret; 4334 } 4335 4336 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4337 enum set_key_cmd cmd, 4338 struct ieee80211_vif *vif, 4339 struct ieee80211_sta *sta, 4340 struct ieee80211_key_conf *key) 4341 { 4342 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4343 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4344 struct iwl_mvm_sta *mvmsta = NULL; 4345 struct iwl_mvm_key_pn *ptk_pn = NULL; 4346 int keyidx = key->keyidx; 4347 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4348 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4349 int ret, i; 4350 u8 key_offset; 4351 4352 if (sta) 4353 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4354 4355 switch (key->cipher) { 4356 case WLAN_CIPHER_SUITE_TKIP: 4357 if (!mvm->trans->trans_cfg->gen2) { 4358 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4359 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4360 } else if (vif->type == NL80211_IFTYPE_STATION) { 4361 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4362 } else { 4363 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4364 return -EOPNOTSUPP; 4365 } 4366 break; 4367 case WLAN_CIPHER_SUITE_CCMP: 4368 case WLAN_CIPHER_SUITE_GCMP: 4369 case WLAN_CIPHER_SUITE_GCMP_256: 4370 if (!iwl_mvm_has_new_tx_api(mvm)) 4371 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4372 break; 4373 case WLAN_CIPHER_SUITE_AES_CMAC: 4374 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4375 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4376 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4377 break; 4378 case WLAN_CIPHER_SUITE_WEP40: 4379 case WLAN_CIPHER_SUITE_WEP104: 4380 if (vif->type == NL80211_IFTYPE_STATION) 4381 break; 4382 if (iwl_mvm_has_new_tx_api(mvm)) 4383 return -EOPNOTSUPP; 4384 /* support HW crypto on TX */ 4385 return 0; 4386 default: 4387 return -EOPNOTSUPP; 4388 } 4389 4390 switch (cmd) { 4391 case SET_KEY: 4392 if (vif->type == NL80211_IFTYPE_STATION && 4393 (keyidx == 6 || keyidx == 7)) 4394 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4395 key); 4396 4397 if ((vif->type == NL80211_IFTYPE_ADHOC || 4398 vif->type == NL80211_IFTYPE_AP) && !sta) { 4399 /* 4400 * GTK on AP interface is a TX-only key, return 0; 4401 * on IBSS they're per-station and because we're lazy 4402 * we don't support them for RX, so do the same. 4403 * CMAC/GMAC in AP/IBSS modes must be done in software 4404 * on older NICs. 4405 * 4406 * Except, of course, beacon protection - it must be 4407 * offloaded since we just set a beacon template, and 4408 * then we must also offload the IGTK (not just BIGTK) 4409 * for firmware reasons. 4410 * 4411 * So just check for beacon protection - if we don't 4412 * have it we cannot get here with keyidx >= 6, and 4413 * if we do have it we need to send the key to FW in 4414 * all cases (CMAC/GMAC). 4415 */ 4416 if (!wiphy_ext_feature_isset(hw->wiphy, 4417 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4418 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4419 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4420 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4421 ret = -EOPNOTSUPP; 4422 break; 4423 } 4424 4425 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4426 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4427 !iwl_mvm_has_new_tx_api(mvm)) { 4428 key->hw_key_idx = STA_KEY_IDX_INVALID; 4429 ret = 0; 4430 break; 4431 } 4432 4433 if (!mvmvif->ap_ibss_active) { 4434 for (i = 0; 4435 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4436 i++) { 4437 if (!mvmvif->ap_early_keys[i]) { 4438 mvmvif->ap_early_keys[i] = key; 4439 break; 4440 } 4441 } 4442 4443 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4444 ret = -ENOSPC; 4445 else 4446 ret = 0; 4447 4448 break; 4449 } 4450 } 4451 4452 /* During FW restart, in order to restore the state as it was, 4453 * don't try to reprogram keys we previously failed for. 4454 */ 4455 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4456 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4457 IWL_DEBUG_MAC80211(mvm, 4458 "skip invalid idx key programming during restart\n"); 4459 ret = 0; 4460 break; 4461 } 4462 4463 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4464 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4465 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4466 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4467 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4468 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4469 struct ieee80211_key_seq seq; 4470 int tid, q; 4471 4472 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4473 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4474 mvm->trans->num_rx_queues), 4475 GFP_KERNEL); 4476 if (!ptk_pn) { 4477 ret = -ENOMEM; 4478 break; 4479 } 4480 4481 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4482 ieee80211_get_key_rx_seq(key, tid, &seq); 4483 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4484 memcpy(ptk_pn->q[q].pn[tid], 4485 seq.ccmp.pn, 4486 IEEE80211_CCMP_PN_LEN); 4487 } 4488 4489 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4490 } 4491 4492 /* in HW restart reuse the index, otherwise request a new one */ 4493 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4494 key_offset = key->hw_key_idx; 4495 else 4496 key_offset = STA_KEY_IDX_INVALID; 4497 4498 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4499 mvmsta->pairwise_cipher = key->cipher; 4500 4501 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4502 sta ? sta->addr : NULL, key->keyidx); 4503 4504 if (sec_key_ver) 4505 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4506 else 4507 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4508 4509 if (ret) { 4510 IWL_WARN(mvm, "set key failed\n"); 4511 key->hw_key_idx = STA_KEY_IDX_INVALID; 4512 if (ptk_pn) { 4513 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4514 kfree(ptk_pn); 4515 } 4516 /* 4517 * can't add key for RX, but we don't need it 4518 * in the device for TX so still return 0, 4519 * unless we have new TX API where we cannot 4520 * put key material into the TX_CMD 4521 */ 4522 if (iwl_mvm_has_new_tx_api(mvm)) 4523 ret = -EOPNOTSUPP; 4524 else 4525 ret = 0; 4526 } 4527 4528 break; 4529 case DISABLE_KEY: 4530 if (vif->type == NL80211_IFTYPE_STATION && 4531 (keyidx == 6 || keyidx == 7)) 4532 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4533 NULL); 4534 4535 ret = -ENOENT; 4536 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4537 if (mvmvif->ap_early_keys[i] == key) { 4538 mvmvif->ap_early_keys[i] = NULL; 4539 ret = 0; 4540 } 4541 } 4542 4543 /* found in pending list - don't do anything else */ 4544 if (ret == 0) 4545 break; 4546 4547 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4548 ret = 0; 4549 break; 4550 } 4551 4552 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4553 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4554 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4555 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4556 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4557 ptk_pn = rcu_dereference_protected( 4558 mvmsta->ptk_pn[keyidx], 4559 lockdep_is_held(&mvm->mutex)); 4560 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4561 if (ptk_pn) 4562 kfree_rcu(ptk_pn, rcu_head); 4563 } 4564 4565 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4566 if (sec_key_ver) 4567 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4568 else 4569 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4570 break; 4571 default: 4572 ret = -EINVAL; 4573 } 4574 4575 return ret; 4576 } 4577 4578 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4579 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4580 struct ieee80211_key_conf *key) 4581 { 4582 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4583 int ret; 4584 4585 mutex_lock(&mvm->mutex); 4586 ret = __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4587 mutex_unlock(&mvm->mutex); 4588 4589 return ret; 4590 } 4591 4592 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4593 struct ieee80211_vif *vif, 4594 struct ieee80211_key_conf *keyconf, 4595 struct ieee80211_sta *sta, 4596 u32 iv32, u16 *phase1key) 4597 { 4598 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4599 4600 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4601 return; 4602 4603 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4604 } 4605 4606 4607 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4608 struct iwl_rx_packet *pkt, void *data) 4609 { 4610 struct iwl_mvm *mvm = 4611 container_of(notif_wait, struct iwl_mvm, notif_wait); 4612 struct iwl_hs20_roc_res *resp; 4613 int resp_len = iwl_rx_packet_payload_len(pkt); 4614 struct iwl_mvm_time_event_data *te_data = data; 4615 4616 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4617 return true; 4618 4619 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4620 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4621 return true; 4622 } 4623 4624 resp = (void *)pkt->data; 4625 4626 IWL_DEBUG_TE(mvm, 4627 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4628 resp->status, resp->event_unique_id); 4629 4630 te_data->uid = le32_to_cpu(resp->event_unique_id); 4631 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4632 te_data->uid); 4633 4634 spin_lock_bh(&mvm->time_event_lock); 4635 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4636 spin_unlock_bh(&mvm->time_event_lock); 4637 4638 return true; 4639 } 4640 4641 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4642 struct ieee80211_channel *channel, 4643 struct ieee80211_vif *vif, 4644 int duration) 4645 { 4646 int res; 4647 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4648 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4649 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4650 struct iwl_notification_wait wait_time_event; 4651 u32 req_dur, delay; 4652 struct iwl_hs20_roc_req aux_roc_req = { 4653 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4654 .id_and_color = 4655 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4656 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4657 }; 4658 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4659 &aux_roc_req.channel_info); 4660 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4661 4662 /* Set the channel info data */ 4663 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4664 iwl_mvm_phy_band_from_nl80211(channel->band), 4665 IWL_PHY_CHANNEL_MODE20, 4666 0); 4667 4668 /* Set the time and duration */ 4669 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4670 4671 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4672 tail->duration = cpu_to_le32(req_dur); 4673 tail->apply_time_max_delay = cpu_to_le32(delay); 4674 4675 IWL_DEBUG_TE(mvm, 4676 "ROC: Requesting to remain on channel %u for %ums\n", 4677 channel->hw_value, req_dur); 4678 IWL_DEBUG_TE(mvm, 4679 "\t(requested = %ums, max_delay = %ums)\n", 4680 duration, delay); 4681 4682 /* Set the node address */ 4683 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4684 4685 lockdep_assert_held(&mvm->mutex); 4686 4687 spin_lock_bh(&mvm->time_event_lock); 4688 4689 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4690 spin_unlock_bh(&mvm->time_event_lock); 4691 return -EIO; 4692 } 4693 4694 te_data->vif = vif; 4695 te_data->duration = duration; 4696 te_data->id = HOT_SPOT_CMD; 4697 4698 spin_unlock_bh(&mvm->time_event_lock); 4699 4700 /* 4701 * Use a notification wait, which really just processes the 4702 * command response and doesn't wait for anything, in order 4703 * to be able to process the response and get the UID inside 4704 * the RX path. Using CMD_WANT_SKB doesn't work because it 4705 * stores the buffer and then wakes up this thread, by which 4706 * time another notification (that the time event started) 4707 * might already be processed unsuccessfully. 4708 */ 4709 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4710 time_event_response, 4711 ARRAY_SIZE(time_event_response), 4712 iwl_mvm_rx_aux_roc, te_data); 4713 4714 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4715 &aux_roc_req); 4716 4717 if (res) { 4718 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4719 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4720 goto out_clear_te; 4721 } 4722 4723 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4724 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4725 /* should never fail */ 4726 WARN_ON_ONCE(res); 4727 4728 if (res) { 4729 out_clear_te: 4730 spin_lock_bh(&mvm->time_event_lock); 4731 iwl_mvm_te_clear_data(mvm, te_data); 4732 spin_unlock_bh(&mvm->time_event_lock); 4733 } 4734 4735 return res; 4736 } 4737 4738 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4739 { 4740 int ret = 0; 4741 4742 lockdep_assert_held(&mvm->mutex); 4743 4744 if (!fw_has_capa(&mvm->fw->ucode_capa, 4745 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4746 IWL_ERR(mvm, "hotspot not supported\n"); 4747 return -EINVAL; 4748 } 4749 4750 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4751 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4752 WARN(ret, "Failed to allocate aux station"); 4753 } 4754 4755 return ret; 4756 } 4757 4758 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4759 { 4760 int ret; 4761 4762 lockdep_assert_held(&mvm->mutex); 4763 4764 ret = iwl_mvm_binding_add_vif(mvm, vif); 4765 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4766 return ret; 4767 4768 /* The station and queue allocation must be done only after the binding 4769 * is done, as otherwise the FW might incorrectly configure its state. 4770 */ 4771 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4772 } 4773 4774 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4775 struct ieee80211_vif *vif, 4776 struct ieee80211_channel *channel, 4777 int duration, 4778 enum ieee80211_roc_type type) 4779 { 4780 static const struct iwl_mvm_roc_ops ops = { 4781 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4782 .link = iwl_mvm_roc_link, 4783 }; 4784 4785 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4786 } 4787 4788 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4789 struct ieee80211_channel *channel, 4790 struct ieee80211_vif *vif, 4791 int duration) 4792 { 4793 int ret; 4794 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4795 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4796 IWL_FW_CMD_VER_UNKNOWN); 4797 4798 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4799 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4800 } else if (fw_ver >= 3) { 4801 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4802 ROC_ACTIVITY_HOTSPOT); 4803 } else { 4804 ret = -EOPNOTSUPP; 4805 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4806 } 4807 4808 return ret; 4809 } 4810 4811 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4812 struct ieee80211_vif *vif, 4813 struct ieee80211_channel *channel) 4814 { 4815 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4816 struct cfg80211_chan_def chandef; 4817 int i; 4818 4819 lockdep_assert_held(&mvm->mutex); 4820 4821 if (mvmvif->deflink.phy_ctxt && 4822 channel == mvmvif->deflink.phy_ctxt->channel) 4823 return 0; 4824 4825 /* Try using a PHY context that is already in use */ 4826 for (i = 0; i < NUM_PHY_CTX; i++) { 4827 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4828 4829 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4830 continue; 4831 4832 if (channel == phy_ctxt->channel) { 4833 if (mvmvif->deflink.phy_ctxt) 4834 iwl_mvm_phy_ctxt_unref(mvm, 4835 mvmvif->deflink.phy_ctxt); 4836 4837 mvmvif->deflink.phy_ctxt = phy_ctxt; 4838 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4839 return 0; 4840 } 4841 } 4842 4843 /* We already have a phy_ctxt, but it's not on the right channel */ 4844 if (mvmvif->deflink.phy_ctxt) 4845 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4846 4847 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4848 if (!mvmvif->deflink.phy_ctxt) 4849 return -ENOSPC; 4850 4851 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4852 4853 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4854 &chandef, NULL, 1, 1); 4855 } 4856 4857 /* Execute the common part for MLD and non-MLD modes */ 4858 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4859 struct ieee80211_channel *channel, int duration, 4860 enum ieee80211_roc_type type, 4861 const struct iwl_mvm_roc_ops *ops) 4862 { 4863 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4864 u32 lmac_id; 4865 int ret; 4866 4867 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4868 duration, type); 4869 4870 /* 4871 * Flush the done work, just in case it's still pending, so that 4872 * the work it does can complete and we can accept new frames. 4873 */ 4874 flush_work(&mvm->roc_done_wk); 4875 4876 ret = iwl_mvm_esr_non_bss_link(mvm, vif, 0, true); 4877 if (ret) 4878 return ret; 4879 4880 mutex_lock(&mvm->mutex); 4881 4882 switch (vif->type) { 4883 case NL80211_IFTYPE_STATION: 4884 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4885 4886 /* Use aux roc framework (HS20) */ 4887 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4888 if (!ret) 4889 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4890 goto out_unlock; 4891 case NL80211_IFTYPE_P2P_DEVICE: 4892 /* handle below */ 4893 break; 4894 default: 4895 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4896 ret = -EINVAL; 4897 goto out_unlock; 4898 } 4899 4900 4901 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4902 if (ret) 4903 goto out_unlock; 4904 4905 ret = ops->link(mvm, vif); 4906 if (ret) 4907 goto out_unlock; 4908 4909 ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4910 out_unlock: 4911 mutex_unlock(&mvm->mutex); 4912 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4913 return ret; 4914 } 4915 4916 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4917 struct ieee80211_vif *vif) 4918 { 4919 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4920 4921 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4922 4923 iwl_mvm_stop_roc(mvm, vif); 4924 4925 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4926 return 0; 4927 } 4928 4929 struct iwl_mvm_ftm_responder_iter_data { 4930 bool responder; 4931 struct ieee80211_chanctx_conf *ctx; 4932 }; 4933 4934 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4935 struct ieee80211_vif *vif) 4936 { 4937 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4938 4939 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4940 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4941 data->responder = true; 4942 } 4943 4944 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4945 struct ieee80211_chanctx_conf *ctx) 4946 { 4947 struct iwl_mvm_ftm_responder_iter_data data = { 4948 .responder = false, 4949 .ctx = ctx, 4950 }; 4951 4952 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4953 IEEE80211_IFACE_ITER_NORMAL, 4954 iwl_mvm_ftm_responder_chanctx_iter, 4955 &data); 4956 return data.responder; 4957 } 4958 4959 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4960 struct ieee80211_chanctx_conf *ctx) 4961 { 4962 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4963 struct iwl_mvm_phy_ctxt *phy_ctxt; 4964 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 4965 int ret; 4966 4967 lockdep_assert_held(&mvm->mutex); 4968 4969 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4970 4971 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4972 if (!phy_ctxt) { 4973 ret = -ENOSPC; 4974 goto out; 4975 } 4976 4977 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 4978 ctx->rx_chains_static, 4979 ctx->rx_chains_dynamic); 4980 if (ret) { 4981 IWL_ERR(mvm, "Failed to add PHY context\n"); 4982 goto out; 4983 } 4984 4985 *phy_ctxt_id = phy_ctxt->id; 4986 out: 4987 return ret; 4988 } 4989 4990 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 4991 struct ieee80211_chanctx_conf *ctx) 4992 { 4993 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4994 int ret; 4995 4996 mutex_lock(&mvm->mutex); 4997 ret = __iwl_mvm_add_chanctx(mvm, ctx); 4998 mutex_unlock(&mvm->mutex); 4999 5000 return ret; 5001 } 5002 5003 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5004 struct ieee80211_chanctx_conf *ctx) 5005 { 5006 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5007 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5008 5009 lockdep_assert_held(&mvm->mutex); 5010 5011 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5012 } 5013 5014 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5015 struct ieee80211_chanctx_conf *ctx) 5016 { 5017 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5018 5019 mutex_lock(&mvm->mutex); 5020 __iwl_mvm_remove_chanctx(mvm, ctx); 5021 mutex_unlock(&mvm->mutex); 5022 } 5023 5024 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5025 struct ieee80211_chanctx_conf *ctx, u32 changed) 5026 { 5027 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5028 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5029 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5030 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5031 5032 if (WARN_ONCE((phy_ctxt->ref > 1) && 5033 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5034 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5035 IEEE80211_CHANCTX_CHANGE_RADAR | 5036 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 5037 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5038 phy_ctxt->ref, changed)) 5039 return; 5040 5041 mutex_lock(&mvm->mutex); 5042 5043 /* we are only changing the min_width, may be a noop */ 5044 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5045 if (phy_ctxt->width == def->width) 5046 goto out_unlock; 5047 5048 /* we are just toggling between 20_NOHT and 20 */ 5049 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5050 def->width <= NL80211_CHAN_WIDTH_20) 5051 goto out_unlock; 5052 } 5053 5054 iwl_mvm_bt_coex_vif_change(mvm); 5055 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5056 ctx->rx_chains_static, 5057 ctx->rx_chains_dynamic); 5058 5059 out_unlock: 5060 mutex_unlock(&mvm->mutex); 5061 } 5062 5063 /* 5064 * This function executes the common part for MLD and non-MLD modes. 5065 * 5066 * Returns true if we're done assigning the chanctx 5067 * (either on failure or success) 5068 */ 5069 static bool 5070 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5071 struct ieee80211_vif *vif, 5072 struct ieee80211_chanctx_conf *ctx, 5073 bool switching_chanctx, int *ret) 5074 { 5075 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5076 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5077 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5078 5079 lockdep_assert_held(&mvm->mutex); 5080 5081 mvmvif->deflink.phy_ctxt = phy_ctxt; 5082 5083 switch (vif->type) { 5084 case NL80211_IFTYPE_AP: 5085 /* only needed if we're switching chanctx (i.e. during CSA) */ 5086 if (switching_chanctx) { 5087 mvmvif->ap_ibss_active = true; 5088 break; 5089 } 5090 fallthrough; 5091 case NL80211_IFTYPE_ADHOC: 5092 /* 5093 * The AP binding flow is handled as part of the start_ap flow 5094 * (in bss_info_changed), similarly for IBSS. 5095 */ 5096 *ret = 0; 5097 return true; 5098 case NL80211_IFTYPE_STATION: 5099 break; 5100 case NL80211_IFTYPE_MONITOR: 5101 /* always disable PS when a monitor interface is active */ 5102 mvmvif->ps_disabled = true; 5103 break; 5104 default: 5105 *ret = -EINVAL; 5106 return true; 5107 } 5108 return false; 5109 } 5110 5111 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5112 struct ieee80211_vif *vif, 5113 struct ieee80211_bss_conf *link_conf, 5114 struct ieee80211_chanctx_conf *ctx, 5115 bool switching_chanctx) 5116 { 5117 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5118 int ret; 5119 5120 if (WARN_ON(!link_conf)) 5121 return -EINVAL; 5122 5123 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5124 switching_chanctx, &ret)) 5125 goto out; 5126 5127 ret = iwl_mvm_binding_add_vif(mvm, vif); 5128 if (ret) 5129 goto out; 5130 5131 /* 5132 * Power state must be updated before quotas, 5133 * otherwise fw will complain. 5134 */ 5135 iwl_mvm_power_update_mac(mvm); 5136 5137 /* Setting the quota at this stage is only required for monitor 5138 * interfaces. For the other types, the bss_info changed flow 5139 * will handle quota settings. 5140 */ 5141 if (vif->type == NL80211_IFTYPE_MONITOR) { 5142 mvmvif->monitor_active = true; 5143 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5144 if (ret) 5145 goto out_remove_binding; 5146 5147 ret = iwl_mvm_add_snif_sta(mvm, vif); 5148 if (ret) 5149 goto out_remove_binding; 5150 5151 } 5152 5153 /* Handle binding during CSA */ 5154 if (vif->type == NL80211_IFTYPE_AP) { 5155 iwl_mvm_update_quotas(mvm, false, NULL); 5156 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5157 } 5158 5159 if (vif->type == NL80211_IFTYPE_STATION) { 5160 if (!switching_chanctx) { 5161 mvmvif->csa_bcn_pending = false; 5162 goto out; 5163 } 5164 5165 mvmvif->csa_bcn_pending = true; 5166 5167 if (!fw_has_capa(&mvm->fw->ucode_capa, 5168 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5169 u32 duration = 5 * vif->bss_conf.beacon_int; 5170 5171 /* Protect the session to make sure we hear the first 5172 * beacon on the new channel. 5173 */ 5174 iwl_mvm_protect_session(mvm, vif, duration, duration, 5175 vif->bss_conf.beacon_int / 2, 5176 true); 5177 } 5178 5179 iwl_mvm_update_quotas(mvm, false, NULL); 5180 } 5181 5182 goto out; 5183 5184 out_remove_binding: 5185 iwl_mvm_binding_remove_vif(mvm, vif); 5186 iwl_mvm_power_update_mac(mvm); 5187 out: 5188 if (ret) 5189 mvmvif->deflink.phy_ctxt = NULL; 5190 return ret; 5191 } 5192 5193 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5194 struct ieee80211_vif *vif, 5195 struct ieee80211_bss_conf *link_conf, 5196 struct ieee80211_chanctx_conf *ctx) 5197 { 5198 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5199 int ret; 5200 5201 mutex_lock(&mvm->mutex); 5202 ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5203 mutex_unlock(&mvm->mutex); 5204 5205 return ret; 5206 } 5207 5208 /* 5209 * This function executes the common part for MLD and non-MLD modes. 5210 * 5211 * Returns if chanctx unassign chanctx is done 5212 * (either on failure or success) 5213 */ 5214 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5215 struct ieee80211_vif *vif, 5216 bool switching_chanctx) 5217 { 5218 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5219 5220 lockdep_assert_held(&mvm->mutex); 5221 iwl_mvm_remove_time_event(mvm, mvmvif, 5222 &mvmvif->time_event_data); 5223 5224 switch (vif->type) { 5225 case NL80211_IFTYPE_ADHOC: 5226 return true; 5227 case NL80211_IFTYPE_MONITOR: 5228 mvmvif->monitor_active = false; 5229 mvmvif->ps_disabled = false; 5230 break; 5231 case NL80211_IFTYPE_AP: 5232 /* This part is triggered only during CSA */ 5233 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5234 return true; 5235 5236 mvmvif->csa_countdown = false; 5237 5238 /* Set CS bit on all the stations */ 5239 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5240 5241 /* Save blocked iface, the timeout is set on the next beacon */ 5242 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5243 5244 mvmvif->ap_ibss_active = false; 5245 break; 5246 default: 5247 break; 5248 } 5249 return false; 5250 } 5251 5252 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5253 struct ieee80211_vif *vif, 5254 struct ieee80211_bss_conf *link_conf, 5255 struct ieee80211_chanctx_conf *ctx, 5256 bool switching_chanctx) 5257 { 5258 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5259 struct ieee80211_vif *disabled_vif = NULL; 5260 5261 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5262 goto out; 5263 5264 if (vif->type == NL80211_IFTYPE_MONITOR) 5265 iwl_mvm_rm_snif_sta(mvm, vif); 5266 5267 5268 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5269 disabled_vif = vif; 5270 if (!fw_has_capa(&mvm->fw->ucode_capa, 5271 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5272 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5273 } 5274 5275 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5276 iwl_mvm_binding_remove_vif(mvm, vif); 5277 5278 out: 5279 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5280 switching_chanctx) 5281 return; 5282 mvmvif->deflink.phy_ctxt = NULL; 5283 iwl_mvm_power_update_mac(mvm); 5284 } 5285 5286 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5287 struct ieee80211_vif *vif, 5288 struct ieee80211_bss_conf *link_conf, 5289 struct ieee80211_chanctx_conf *ctx) 5290 { 5291 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5292 5293 mutex_lock(&mvm->mutex); 5294 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5295 mutex_unlock(&mvm->mutex); 5296 } 5297 5298 static int 5299 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5300 struct ieee80211_vif_chanctx_switch *vifs, 5301 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5302 { 5303 int ret; 5304 5305 mutex_lock(&mvm->mutex); 5306 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5307 vifs[0].old_ctx, true); 5308 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5309 5310 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5311 if (ret) { 5312 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5313 goto out_reassign; 5314 } 5315 5316 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5317 vifs[0].new_ctx, true); 5318 if (ret) { 5319 IWL_ERR(mvm, 5320 "failed to assign new_ctx during channel switch\n"); 5321 goto out_remove; 5322 } 5323 5324 /* we don't support TDLS during DCM - can be caused by channel switch */ 5325 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5326 iwl_mvm_teardown_tdls_peers(mvm); 5327 5328 goto out; 5329 5330 out_remove: 5331 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5332 5333 out_reassign: 5334 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5335 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5336 goto out_restart; 5337 } 5338 5339 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5340 vifs[0].old_ctx, true)) { 5341 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5342 goto out_restart; 5343 } 5344 5345 goto out; 5346 5347 out_restart: 5348 /* things keep failing, better restart the hw */ 5349 iwl_mvm_nic_restart(mvm, false); 5350 5351 out: 5352 mutex_unlock(&mvm->mutex); 5353 5354 return ret; 5355 } 5356 5357 static int 5358 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5359 struct ieee80211_vif_chanctx_switch *vifs, 5360 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5361 { 5362 int ret; 5363 5364 mutex_lock(&mvm->mutex); 5365 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5366 vifs[0].old_ctx, true); 5367 5368 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5369 vifs[0].new_ctx, true); 5370 if (ret) { 5371 IWL_ERR(mvm, 5372 "failed to assign new_ctx during channel switch\n"); 5373 goto out_reassign; 5374 } 5375 5376 goto out; 5377 5378 out_reassign: 5379 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5380 vifs[0].old_ctx, true)) { 5381 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5382 goto out_restart; 5383 } 5384 5385 goto out; 5386 5387 out_restart: 5388 /* things keep failing, better restart the hw */ 5389 iwl_mvm_nic_restart(mvm, false); 5390 5391 out: 5392 mutex_unlock(&mvm->mutex); 5393 5394 return ret; 5395 } 5396 5397 /* Execute the common part for both MLD and non-MLD modes */ 5398 int 5399 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5400 struct ieee80211_vif_chanctx_switch *vifs, 5401 int n_vifs, 5402 enum ieee80211_chanctx_switch_mode mode, 5403 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5404 { 5405 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5406 int ret; 5407 5408 /* we only support a single-vif right now */ 5409 if (n_vifs > 1) 5410 return -EOPNOTSUPP; 5411 5412 switch (mode) { 5413 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5414 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5415 break; 5416 case CHANCTX_SWMODE_REASSIGN_VIF: 5417 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5418 break; 5419 default: 5420 ret = -EOPNOTSUPP; 5421 break; 5422 } 5423 5424 return ret; 5425 } 5426 5427 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5428 struct ieee80211_vif_chanctx_switch *vifs, 5429 int n_vifs, 5430 enum ieee80211_chanctx_switch_mode mode) 5431 { 5432 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5433 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5434 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5435 }; 5436 5437 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5438 } 5439 5440 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5441 { 5442 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5443 5444 return mvm->ibss_manager; 5445 } 5446 5447 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5448 bool set) 5449 { 5450 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5451 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5452 5453 if (!mvm_sta || !mvm_sta->vif) { 5454 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5455 return -EINVAL; 5456 } 5457 5458 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5459 &mvm_sta->vif->bss_conf); 5460 } 5461 5462 #ifdef CONFIG_NL80211_TESTMODE 5463 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5464 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5465 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5466 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5467 }; 5468 5469 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5470 struct ieee80211_vif *vif, 5471 void *data, int len) 5472 { 5473 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5474 int err; 5475 u32 noa_duration; 5476 5477 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5478 iwl_mvm_tm_policy, NULL); 5479 if (err) 5480 return err; 5481 5482 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5483 return -EINVAL; 5484 5485 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5486 case IWL_MVM_TM_CMD_SET_NOA: 5487 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5488 !vif->bss_conf.enable_beacon || 5489 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5490 return -EINVAL; 5491 5492 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5493 if (noa_duration >= vif->bss_conf.beacon_int) 5494 return -EINVAL; 5495 5496 mvm->noa_duration = noa_duration; 5497 mvm->noa_vif = vif; 5498 5499 return iwl_mvm_update_quotas(mvm, true, NULL); 5500 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5501 /* must be associated client vif - ignore authorized */ 5502 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5503 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5504 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5505 return -EINVAL; 5506 5507 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5508 return iwl_mvm_enable_beacon_filter(mvm, vif); 5509 return iwl_mvm_disable_beacon_filter(mvm, vif); 5510 } 5511 5512 return -EOPNOTSUPP; 5513 } 5514 5515 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5516 struct ieee80211_vif *vif, 5517 void *data, int len) 5518 { 5519 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5520 int err; 5521 5522 mutex_lock(&mvm->mutex); 5523 err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5524 mutex_unlock(&mvm->mutex); 5525 5526 return err; 5527 } 5528 #endif 5529 5530 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5531 struct ieee80211_channel_switch *chsw) 5532 { 5533 /* By implementing this operation, we prevent mac80211 from 5534 * starting its own channel switch timer, so that we can call 5535 * ieee80211_chswitch_done() ourselves at the right time 5536 * (which is when the absence time event starts). 5537 */ 5538 5539 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5540 "dummy channel switch op\n"); 5541 } 5542 5543 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5544 struct ieee80211_vif *vif, 5545 struct ieee80211_channel_switch *chsw) 5546 { 5547 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5548 struct iwl_chan_switch_te_cmd cmd = { 5549 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5550 mvmvif->color)), 5551 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5552 .tsf = cpu_to_le32(chsw->timestamp), 5553 .cs_count = chsw->count, 5554 .cs_mode = chsw->block_tx, 5555 }; 5556 5557 lockdep_assert_held(&mvm->mutex); 5558 5559 if (chsw->delay) 5560 cmd.cs_delayed_bcn_count = 5561 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5562 5563 return iwl_mvm_send_cmd_pdu(mvm, 5564 WIDE_ID(MAC_CONF_GROUP, 5565 CHANNEL_SWITCH_TIME_EVENT_CMD), 5566 0, sizeof(cmd), &cmd); 5567 } 5568 5569 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5570 struct ieee80211_vif *vif, 5571 struct ieee80211_channel_switch *chsw) 5572 { 5573 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5574 u32 apply_time; 5575 5576 /* Schedule the time event to a bit before beacon 1, 5577 * to make sure we're in the new channel when the 5578 * GO/AP arrives. In case count <= 1 immediately schedule the 5579 * TE (this might result with some packet loss or connection 5580 * loss). 5581 */ 5582 if (chsw->count <= 1) 5583 apply_time = 0; 5584 else 5585 apply_time = chsw->device_timestamp + 5586 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5587 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5588 5589 if (chsw->block_tx) 5590 iwl_mvm_csa_client_absent(mvm, vif); 5591 5592 if (mvmvif->bf_enabled) { 5593 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5594 5595 if (ret) 5596 return ret; 5597 } 5598 5599 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5600 apply_time); 5601 5602 return 0; 5603 } 5604 5605 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5606 { 5607 int i; 5608 5609 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5610 struct iwl_mvm_txq *mvmtxq = 5611 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5612 5613 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5614 } 5615 } 5616 5617 #define IWL_MAX_CSA_BLOCK_TX 1500 5618 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5619 struct ieee80211_vif *vif, 5620 struct ieee80211_channel_switch *chsw) 5621 { 5622 struct ieee80211_vif *csa_vif; 5623 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5624 struct iwl_mvm_txq *mvmtxq; 5625 int ret; 5626 5627 lockdep_assert_held(&mvm->mutex); 5628 5629 mvmvif->csa_failed = false; 5630 mvmvif->csa_blocks_tx = false; 5631 5632 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5633 chsw->chandef.center_freq1); 5634 5635 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5636 ieee80211_vif_to_wdev(vif), 5637 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5638 5639 switch (vif->type) { 5640 case NL80211_IFTYPE_AP: 5641 csa_vif = 5642 rcu_dereference_protected(mvm->csa_vif, 5643 lockdep_is_held(&mvm->mutex)); 5644 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5645 "Another CSA is already in progress")) 5646 return -EBUSY; 5647 5648 /* we still didn't unblock tx. prevent new CS meanwhile */ 5649 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5650 lockdep_is_held(&mvm->mutex))) 5651 return -EBUSY; 5652 5653 rcu_assign_pointer(mvm->csa_vif, vif); 5654 5655 if (WARN_ONCE(mvmvif->csa_countdown, 5656 "Previous CSA countdown didn't complete")) 5657 return -EBUSY; 5658 5659 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5660 5661 if (!chsw->block_tx) 5662 break; 5663 /* don't need blocking in driver otherwise - mac80211 will do */ 5664 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5665 break; 5666 5667 mvmvif->csa_blocks_tx = true; 5668 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5669 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5670 ieee80211_iterate_stations_atomic(mvm->hw, 5671 iwl_mvm_csa_block_txqs, 5672 NULL); 5673 break; 5674 case NL80211_IFTYPE_STATION: 5675 mvmvif->csa_blocks_tx = chsw->block_tx; 5676 5677 /* 5678 * In the new flow FW is in charge of timing the switch so there 5679 * is no need for all of this 5680 */ 5681 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5682 CHANNEL_SWITCH_ERROR_NOTIF, 5683 0)) 5684 break; 5685 5686 /* 5687 * We haven't configured the firmware to be associated yet since 5688 * we don't know the dtim period. In this case, the firmware can't 5689 * track the beacons. 5690 */ 5691 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5692 return -EBUSY; 5693 5694 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5695 hweight16(vif->valid_links) <= 1) 5696 schedule_delayed_work(&mvmvif->csa_work, 0); 5697 5698 if (chsw->block_tx) { 5699 /* 5700 * In case of undetermined / long time with immediate 5701 * quiet monitor status to gracefully disconnect 5702 */ 5703 if (!chsw->count || 5704 chsw->count * vif->bss_conf.beacon_int > 5705 IWL_MAX_CSA_BLOCK_TX) 5706 schedule_delayed_work(&mvmvif->csa_work, 5707 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5708 } 5709 5710 if (!fw_has_capa(&mvm->fw->ucode_capa, 5711 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5712 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5713 if (ret) 5714 return ret; 5715 } else { 5716 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5717 } 5718 5719 mvmvif->csa_count = chsw->count; 5720 mvmvif->csa_misbehave = false; 5721 break; 5722 default: 5723 break; 5724 } 5725 5726 mvmvif->ps_disabled = true; 5727 5728 ret = iwl_mvm_power_update_ps(mvm); 5729 if (ret) 5730 return ret; 5731 5732 /* we won't be on this channel any longer */ 5733 iwl_mvm_teardown_tdls_peers(mvm); 5734 5735 return ret; 5736 } 5737 5738 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5739 struct ieee80211_vif *vif, 5740 struct ieee80211_channel_switch *chsw) 5741 { 5742 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5743 int ret; 5744 5745 mutex_lock(&mvm->mutex); 5746 ret = iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5747 mutex_unlock(&mvm->mutex); 5748 5749 return ret; 5750 } 5751 5752 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5753 struct ieee80211_vif *vif, 5754 struct ieee80211_channel_switch *chsw) 5755 { 5756 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5757 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5758 struct iwl_chan_switch_te_cmd cmd = { 5759 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5760 mvmvif->color)), 5761 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5762 .tsf = cpu_to_le32(chsw->timestamp), 5763 .cs_count = chsw->count, 5764 .cs_mode = chsw->block_tx, 5765 }; 5766 5767 /* 5768 * In the new flow FW is in charge of timing the switch so there is no 5769 * need for all of this 5770 */ 5771 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5772 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5773 return; 5774 5775 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5776 return; 5777 5778 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5779 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5780 5781 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5782 if (mvmvif->csa_misbehave) { 5783 struct ieee80211_bss_conf *link_conf; 5784 5785 /* Second time, give up on this AP*/ 5786 5787 link_conf = wiphy_dereference(hw->wiphy, 5788 vif->link_conf[chsw->link_id]); 5789 if (WARN_ON(!link_conf)) 5790 return; 5791 5792 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5793 ieee80211_chswitch_done(vif, false, 0); 5794 mvmvif->csa_misbehave = false; 5795 return; 5796 } 5797 mvmvif->csa_misbehave = true; 5798 } 5799 mvmvif->csa_count = chsw->count; 5800 5801 mutex_lock(&mvm->mutex); 5802 if (mvmvif->csa_failed) 5803 goto out_unlock; 5804 5805 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5806 WIDE_ID(MAC_CONF_GROUP, 5807 CHANNEL_SWITCH_TIME_EVENT_CMD), 5808 0, sizeof(cmd), &cmd)); 5809 out_unlock: 5810 mutex_unlock(&mvm->mutex); 5811 } 5812 5813 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5814 { 5815 int i; 5816 5817 if (!iwl_mvm_has_new_tx_api(mvm)) { 5818 if (drop) { 5819 mutex_lock(&mvm->mutex); 5820 iwl_mvm_flush_tx_path(mvm, 5821 iwl_mvm_flushable_queues(mvm) & queues); 5822 mutex_unlock(&mvm->mutex); 5823 } else { 5824 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5825 } 5826 return; 5827 } 5828 5829 mutex_lock(&mvm->mutex); 5830 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5831 struct ieee80211_sta *sta; 5832 5833 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5834 lockdep_is_held(&mvm->mutex)); 5835 if (IS_ERR_OR_NULL(sta)) 5836 continue; 5837 5838 if (drop) 5839 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5840 else 5841 iwl_mvm_wait_sta_queues_empty(mvm, 5842 iwl_mvm_sta_from_mac80211(sta)); 5843 } 5844 mutex_unlock(&mvm->mutex); 5845 } 5846 5847 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5848 u32 queues, bool drop) 5849 { 5850 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5851 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5852 struct iwl_mvm_sta *mvmsta; 5853 struct ieee80211_sta *sta; 5854 bool ap_sta_done = false; 5855 int i; 5856 u32 msk = 0; 5857 5858 if (!vif) { 5859 iwl_mvm_flush_no_vif(mvm, queues, drop); 5860 return; 5861 } 5862 5863 if (!drop && hweight16(vif->active_links) <= 1) { 5864 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5865 struct ieee80211_bss_conf *link_conf; 5866 5867 link_conf = wiphy_dereference(hw->wiphy, 5868 vif->link_conf[link_id]); 5869 if (WARN_ON(!link_conf)) 5870 return; 5871 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5872 drop = true; 5873 } 5874 5875 /* Make sure we're done with the deferred traffic before flushing */ 5876 flush_work(&mvm->add_stream_wk); 5877 5878 mutex_lock(&mvm->mutex); 5879 5880 /* flush the AP-station and all TDLS peers */ 5881 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5882 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5883 lockdep_is_held(&mvm->mutex)); 5884 if (IS_ERR_OR_NULL(sta)) 5885 continue; 5886 5887 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5888 if (mvmsta->vif != vif) 5889 continue; 5890 5891 if (sta == mvmvif->ap_sta) { 5892 if (ap_sta_done) 5893 continue; 5894 ap_sta_done = true; 5895 } 5896 5897 if (drop) { 5898 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5899 mvmsta->tfd_queue_msk)) 5900 IWL_ERR(mvm, "flush request fail\n"); 5901 } else { 5902 if (iwl_mvm_has_new_tx_api(mvm)) 5903 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5904 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5905 msk |= mvmsta->tfd_queue_msk; 5906 } 5907 } 5908 5909 mutex_unlock(&mvm->mutex); 5910 5911 /* this can take a while, and we may need/want other operations 5912 * to succeed while doing this, so do it without the mutex held 5913 */ 5914 if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5915 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5916 } 5917 5918 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5919 struct ieee80211_sta *sta) 5920 { 5921 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5922 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5923 struct iwl_mvm_link_sta *mvm_link_sta; 5924 struct ieee80211_link_sta *link_sta; 5925 int link_id; 5926 5927 mutex_lock(&mvm->mutex); 5928 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5929 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5930 lockdep_is_held(&mvm->mutex)); 5931 if (!mvm_link_sta) 5932 continue; 5933 5934 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5935 mvmsta->tfd_queue_msk)) 5936 IWL_ERR(mvm, "flush request fail\n"); 5937 } 5938 mutex_unlock(&mvm->mutex); 5939 } 5940 5941 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5942 struct survey_info *survey) 5943 { 5944 int chan_idx; 5945 enum nl80211_band band; 5946 int ret; 5947 5948 mutex_lock(&mvm->mutex); 5949 5950 if (!mvm->acs_survey) { 5951 ret = -ENOENT; 5952 goto out; 5953 } 5954 5955 /* Find and return the next entry that has a non-zero active time */ 5956 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5957 struct ieee80211_supported_band *sband = 5958 mvm->hw->wiphy->bands[band]; 5959 5960 if (!sband) 5961 continue; 5962 5963 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5964 struct iwl_mvm_acs_survey_channel *info = 5965 &mvm->acs_survey->bands[band][chan_idx]; 5966 5967 if (!info->time) 5968 continue; 5969 5970 /* Found (the next) channel to report */ 5971 survey->channel = &sband->channels[chan_idx]; 5972 survey->filled = SURVEY_INFO_TIME | 5973 SURVEY_INFO_TIME_BUSY | 5974 SURVEY_INFO_TIME_RX | 5975 SURVEY_INFO_TIME_TX; 5976 survey->time = info->time; 5977 survey->time_busy = info->time_busy; 5978 survey->time_rx = info->time_rx; 5979 survey->time_tx = info->time_tx; 5980 survey->noise = info->noise; 5981 if (survey->noise < 0) 5982 survey->filled |= SURVEY_INFO_NOISE_DBM; 5983 5984 /* Clear time so that channel is only reported once */ 5985 info->time = 0; 5986 5987 ret = 0; 5988 goto out; 5989 } 5990 } 5991 5992 ret = -ENOENT; 5993 5994 out: 5995 mutex_unlock(&mvm->mutex); 5996 5997 return ret; 5998 } 5999 6000 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 6001 struct survey_info *survey) 6002 { 6003 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6004 int ret = 0; 6005 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6006 WIDE_ID(SYSTEM_GROUP, 6007 SYSTEM_STATISTICS_CMD), 6008 IWL_FW_CMD_VER_UNKNOWN); 6009 6010 memset(survey, 0, sizeof(*survey)); 6011 6012 if (!fw_has_capa(&mvm->fw->ucode_capa, 6013 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6014 return -ENOENT; 6015 6016 /* 6017 * Return the beacon stats at index zero and pass on following indices 6018 * to the function returning the full survey, most likely for ACS 6019 * (Automatic Channel Selection). 6020 */ 6021 if (idx > 0) 6022 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6023 6024 mutex_lock(&mvm->mutex); 6025 6026 if (iwl_mvm_firmware_running(mvm)) { 6027 ret = iwl_mvm_request_statistics(mvm, false); 6028 if (ret) 6029 goto out; 6030 } 6031 6032 survey->filled = SURVEY_INFO_TIME_RX | 6033 SURVEY_INFO_TIME_TX; 6034 6035 survey->time_rx = mvm->accu_radio_stats.rx_time + 6036 mvm->radio_stats.rx_time; 6037 do_div(survey->time_rx, USEC_PER_MSEC); 6038 6039 survey->time_tx = mvm->accu_radio_stats.tx_time + 6040 mvm->radio_stats.tx_time; 6041 do_div(survey->time_tx, USEC_PER_MSEC); 6042 6043 /* the new fw api doesn't support the following fields */ 6044 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6045 goto out; 6046 6047 survey->filled |= SURVEY_INFO_TIME | 6048 SURVEY_INFO_TIME_SCAN; 6049 survey->time = mvm->accu_radio_stats.on_time_rf + 6050 mvm->radio_stats.on_time_rf; 6051 do_div(survey->time, USEC_PER_MSEC); 6052 6053 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6054 mvm->radio_stats.on_time_scan; 6055 do_div(survey->time_scan, USEC_PER_MSEC); 6056 6057 out: 6058 mutex_unlock(&mvm->mutex); 6059 return ret; 6060 } 6061 6062 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6063 { 6064 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6065 u32 gi_ltf; 6066 6067 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6068 case RATE_MCS_CHAN_WIDTH_20: 6069 rinfo->bw = RATE_INFO_BW_20; 6070 break; 6071 case RATE_MCS_CHAN_WIDTH_40: 6072 rinfo->bw = RATE_INFO_BW_40; 6073 break; 6074 case RATE_MCS_CHAN_WIDTH_80: 6075 rinfo->bw = RATE_INFO_BW_80; 6076 break; 6077 case RATE_MCS_CHAN_WIDTH_160: 6078 rinfo->bw = RATE_INFO_BW_160; 6079 break; 6080 case RATE_MCS_CHAN_WIDTH_320: 6081 rinfo->bw = RATE_INFO_BW_320; 6082 break; 6083 } 6084 6085 if (format == RATE_MCS_CCK_MSK || 6086 format == RATE_MCS_LEGACY_OFDM_MSK) { 6087 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6088 6089 /* add the offset needed to get to the legacy ofdm indices */ 6090 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6091 rate += IWL_FIRST_OFDM_RATE; 6092 6093 switch (rate) { 6094 case IWL_RATE_1M_INDEX: 6095 rinfo->legacy = 10; 6096 break; 6097 case IWL_RATE_2M_INDEX: 6098 rinfo->legacy = 20; 6099 break; 6100 case IWL_RATE_5M_INDEX: 6101 rinfo->legacy = 55; 6102 break; 6103 case IWL_RATE_11M_INDEX: 6104 rinfo->legacy = 110; 6105 break; 6106 case IWL_RATE_6M_INDEX: 6107 rinfo->legacy = 60; 6108 break; 6109 case IWL_RATE_9M_INDEX: 6110 rinfo->legacy = 90; 6111 break; 6112 case IWL_RATE_12M_INDEX: 6113 rinfo->legacy = 120; 6114 break; 6115 case IWL_RATE_18M_INDEX: 6116 rinfo->legacy = 180; 6117 break; 6118 case IWL_RATE_24M_INDEX: 6119 rinfo->legacy = 240; 6120 break; 6121 case IWL_RATE_36M_INDEX: 6122 rinfo->legacy = 360; 6123 break; 6124 case IWL_RATE_48M_INDEX: 6125 rinfo->legacy = 480; 6126 break; 6127 case IWL_RATE_54M_INDEX: 6128 rinfo->legacy = 540; 6129 } 6130 return; 6131 } 6132 6133 rinfo->nss = u32_get_bits(rate_n_flags, 6134 RATE_MCS_NSS_MSK) + 1; 6135 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6136 RATE_HT_MCS_INDEX(rate_n_flags) : 6137 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6138 6139 if (rate_n_flags & RATE_MCS_SGI_MSK) 6140 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6141 6142 switch (format) { 6143 case RATE_MCS_EHT_MSK: 6144 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6145 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6146 break; 6147 case RATE_MCS_HE_MSK: 6148 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6149 6150 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6151 6152 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6153 rinfo->bw = RATE_INFO_BW_HE_RU; 6154 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6155 } 6156 6157 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6158 case RATE_MCS_HE_TYPE_SU: 6159 case RATE_MCS_HE_TYPE_EXT_SU: 6160 if (gi_ltf == 0 || gi_ltf == 1) 6161 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6162 else if (gi_ltf == 2) 6163 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6164 else if (gi_ltf == 3) 6165 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6166 else 6167 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6168 break; 6169 case RATE_MCS_HE_TYPE_MU: 6170 if (gi_ltf == 0 || gi_ltf == 1) 6171 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6172 else if (gi_ltf == 2) 6173 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6174 else 6175 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6176 break; 6177 case RATE_MCS_HE_TYPE_TRIG: 6178 if (gi_ltf == 0 || gi_ltf == 1) 6179 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6180 else 6181 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6182 break; 6183 } 6184 6185 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6186 rinfo->he_dcm = 1; 6187 break; 6188 case RATE_MCS_HT_MSK: 6189 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6190 break; 6191 case RATE_MCS_VHT_MSK: 6192 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6193 break; 6194 } 6195 } 6196 6197 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6198 struct ieee80211_vif *vif, 6199 struct ieee80211_sta *sta, 6200 struct station_info *sinfo) 6201 { 6202 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6203 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6204 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6205 int i; 6206 6207 if (mvmsta->deflink.avg_energy) { 6208 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6209 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6210 } 6211 6212 if (iwl_mvm_has_tlc_offload(mvm)) { 6213 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6214 6215 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6216 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6217 } 6218 6219 /* if beacon filtering isn't on mac80211 does it anyway */ 6220 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6221 return; 6222 6223 if (!vif->cfg.assoc) 6224 return; 6225 6226 mutex_lock(&mvm->mutex); 6227 6228 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6229 goto unlock; 6230 6231 if (iwl_mvm_request_statistics(mvm, false)) 6232 goto unlock; 6233 6234 sinfo->rx_beacon = 0; 6235 for_each_mvm_vif_valid_link(mvmvif, i) 6236 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6237 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6238 6239 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6240 if (mvmvif->deflink.beacon_stats.avg_signal) { 6241 /* firmware only reports a value after RXing a few beacons */ 6242 sinfo->rx_beacon_signal_avg = 6243 mvmvif->deflink.beacon_stats.avg_signal; 6244 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6245 } 6246 unlock: 6247 mutex_unlock(&mvm->mutex); 6248 } 6249 6250 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6251 struct ieee80211_vif *vif, 6252 const struct ieee80211_mlme_event *mlme) 6253 { 6254 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6255 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6256 iwl_dbg_tlv_time_point(&mvm->fwrt, 6257 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6258 NULL); 6259 return; 6260 } 6261 6262 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6263 iwl_dbg_tlv_time_point(&mvm->fwrt, 6264 IWL_FW_INI_TIME_POINT_DEASSOC, 6265 NULL); 6266 return; 6267 } 6268 } 6269 6270 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6271 struct ieee80211_vif *vif, 6272 const struct ieee80211_event *event) 6273 { 6274 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6275 do { \ 6276 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6277 break; \ 6278 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6279 } while (0) 6280 6281 struct iwl_fw_dbg_trigger_tlv *trig; 6282 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6283 6284 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6285 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6286 return; 6287 } 6288 6289 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6290 FW_DBG_TRIGGER_MLME); 6291 if (!trig) 6292 return; 6293 6294 trig_mlme = (void *)trig->data; 6295 6296 if (event->u.mlme.data == ASSOC_EVENT) { 6297 if (event->u.mlme.status == MLME_DENIED) 6298 CHECK_MLME_TRIGGER(stop_assoc_denied, 6299 "DENIED ASSOC: reason %d", 6300 event->u.mlme.reason); 6301 else if (event->u.mlme.status == MLME_TIMEOUT) 6302 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6303 "ASSOC TIMEOUT"); 6304 } else if (event->u.mlme.data == AUTH_EVENT) { 6305 if (event->u.mlme.status == MLME_DENIED) 6306 CHECK_MLME_TRIGGER(stop_auth_denied, 6307 "DENIED AUTH: reason %d", 6308 event->u.mlme.reason); 6309 else if (event->u.mlme.status == MLME_TIMEOUT) 6310 CHECK_MLME_TRIGGER(stop_auth_timeout, 6311 "AUTH TIMEOUT"); 6312 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6313 CHECK_MLME_TRIGGER(stop_rx_deauth, 6314 "DEAUTH RX %d", event->u.mlme.reason); 6315 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6316 CHECK_MLME_TRIGGER(stop_tx_deauth, 6317 "DEAUTH TX %d", event->u.mlme.reason); 6318 } 6319 #undef CHECK_MLME_TRIGGER 6320 } 6321 6322 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6323 struct ieee80211_vif *vif, 6324 const struct ieee80211_event *event) 6325 { 6326 struct iwl_fw_dbg_trigger_tlv *trig; 6327 struct iwl_fw_dbg_trigger_ba *ba_trig; 6328 6329 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6330 FW_DBG_TRIGGER_BA); 6331 if (!trig) 6332 return; 6333 6334 ba_trig = (void *)trig->data; 6335 6336 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6337 return; 6338 6339 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6340 "BAR received from %pM, tid %d, ssn %d", 6341 event->u.ba.sta->addr, event->u.ba.tid, 6342 event->u.ba.ssn); 6343 } 6344 6345 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6346 struct ieee80211_vif *vif, 6347 const struct ieee80211_event *event) 6348 { 6349 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6350 6351 switch (event->type) { 6352 case MLME_EVENT: 6353 iwl_mvm_event_mlme_callback(mvm, vif, event); 6354 break; 6355 case BAR_RX_EVENT: 6356 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6357 break; 6358 case BA_FRAME_TIMEOUT: 6359 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6360 event->u.ba.tid); 6361 break; 6362 default: 6363 break; 6364 } 6365 } 6366 6367 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6368 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6369 enum iwl_mvm_rxq_notif_type type, 6370 bool sync, 6371 const void *data, u32 size) 6372 { 6373 struct { 6374 struct iwl_rxq_sync_cmd cmd; 6375 struct iwl_mvm_internal_rxq_notif notif; 6376 } __packed cmd = { 6377 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6378 .cmd.count = 6379 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6380 size), 6381 .notif.type = type, 6382 .notif.sync = sync, 6383 }; 6384 struct iwl_host_cmd hcmd = { 6385 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6386 .data[0] = &cmd, 6387 .len[0] = sizeof(cmd), 6388 .data[1] = data, 6389 .len[1] = size, 6390 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6391 }; 6392 int ret; 6393 6394 /* size must be a multiple of DWORD */ 6395 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6396 return; 6397 6398 if (!iwl_mvm_has_new_rx_api(mvm)) 6399 return; 6400 6401 if (sync) { 6402 cmd.notif.cookie = mvm->queue_sync_cookie; 6403 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6404 } 6405 6406 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6407 if (ret) { 6408 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6409 goto out; 6410 } 6411 6412 if (sync) { 6413 lockdep_assert_held(&mvm->mutex); 6414 ret = wait_event_timeout(mvm->rx_sync_waitq, 6415 READ_ONCE(mvm->queue_sync_state) == 0, 6416 SYNC_RX_QUEUE_TIMEOUT); 6417 WARN_ONCE(!ret, "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