1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/kernel.h> 8 #include <linux/slab.h> 9 #include <linux/skbuff.h> 10 #include <linux/netdevice.h> 11 #include <linux/etherdevice.h> 12 #include <linux/ip.h> 13 #include <linux/if_arp.h> 14 #include <linux/time.h> 15 #include <net/mac80211.h> 16 #include <net/ieee80211_radiotap.h> 17 #include <net/tcp.h> 18 19 #include "iwl-drv.h" 20 #include "iwl-op-mode.h" 21 #include "iwl-io.h" 22 #include "mvm.h" 23 #include "sta.h" 24 #include "time-event.h" 25 #include "iwl-nvm-utils.h" 26 #include "iwl-phy-db.h" 27 #include "testmode.h" 28 #include "fw/error-dump.h" 29 #include "iwl-prph.h" 30 #include "iwl-nvm-parse.h" 31 #include "time-sync.h" 32 33 #define IWL_MVM_LIMITS(ap) \ 34 { \ 35 .max = 1, \ 36 .types = BIT(NL80211_IFTYPE_STATION), \ 37 }, \ 38 { \ 39 .max = 1, \ 40 .types = ap | \ 41 BIT(NL80211_IFTYPE_P2P_CLIENT) | \ 42 BIT(NL80211_IFTYPE_P2P_GO), \ 43 }, \ 44 { \ 45 .max = 1, \ 46 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), \ 47 } 48 49 static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 50 IWL_MVM_LIMITS(0) 51 }; 52 53 static const struct ieee80211_iface_limit iwl_mvm_limits_ap[] = { 54 IWL_MVM_LIMITS(BIT(NL80211_IFTYPE_AP)) 55 }; 56 57 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 58 { 59 .num_different_channels = 2, 60 .max_interfaces = 3, 61 .limits = iwl_mvm_limits, 62 .n_limits = ARRAY_SIZE(iwl_mvm_limits) - 1, 63 }, 64 { 65 .num_different_channels = 1, 66 .max_interfaces = 3, 67 .limits = iwl_mvm_limits_ap, 68 .n_limits = ARRAY_SIZE(iwl_mvm_limits_ap) - 1, 69 }, 70 }; 71 72 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 73 .max_peers = IWL_MVM_TOF_MAX_APS, 74 .report_ap_tsf = 1, 75 .randomize_mac_addr = 1, 76 77 .ftm = { 78 .supported = 1, 79 .asap = 1, 80 .non_asap = 1, 81 .request_lci = 1, 82 .request_civicloc = 1, 83 .trigger_based = 1, 84 .non_trigger_based = 1, 85 .max_bursts_exponent = -1, /* all supported */ 86 .max_ftms_per_burst = 0, /* no limits */ 87 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 88 BIT(NL80211_CHAN_WIDTH_20) | 89 BIT(NL80211_CHAN_WIDTH_40) | 90 BIT(NL80211_CHAN_WIDTH_80) | 91 BIT(NL80211_CHAN_WIDTH_160), 92 .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 93 BIT(NL80211_PREAMBLE_HT) | 94 BIT(NL80211_PREAMBLE_VHT) | 95 BIT(NL80211_PREAMBLE_HE), 96 }, 97 }; 98 99 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 100 enum set_key_cmd cmd, 101 struct ieee80211_vif *vif, 102 struct ieee80211_sta *sta, 103 struct ieee80211_key_conf *key); 104 105 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 106 { 107 int i; 108 109 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 110 for (i = 0; i < NUM_PHY_CTX; i++) { 111 mvm->phy_ctxts[i].id = i; 112 mvm->phy_ctxts[i].ref = 0; 113 } 114 } 115 116 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 117 const char *alpha2, 118 enum iwl_mcc_source src_id, 119 bool *changed) 120 { 121 struct ieee80211_regdomain *regd = NULL; 122 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 123 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 124 struct iwl_mcc_update_resp_v8 *resp; 125 u8 resp_ver; 126 127 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 128 129 lockdep_assert_held(&mvm->mutex); 130 131 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 132 if (IS_ERR_OR_NULL(resp)) { 133 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 134 PTR_ERR_OR_ZERO(resp)); 135 resp = NULL; 136 goto out; 137 } 138 139 if (changed) { 140 u32 status = le32_to_cpu(resp->status); 141 142 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 143 status == MCC_RESP_ILLEGAL); 144 } 145 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 146 MCC_UPDATE_CMD, 0); 147 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 148 149 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 150 __le32_to_cpu(resp->n_channels), 151 resp->channels, 152 __le16_to_cpu(resp->mcc), 153 __le16_to_cpu(resp->geo_info), 154 le32_to_cpu(resp->cap), resp_ver); 155 /* Store the return source id */ 156 src_id = resp->source_id; 157 if (IS_ERR_OR_NULL(regd)) { 158 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 159 PTR_ERR_OR_ZERO(regd)); 160 goto out; 161 } 162 163 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 164 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 165 mvm->lar_regdom_set = true; 166 mvm->mcc_src = src_id; 167 168 /* Some kind of regulatory mess means we need to currently disallow 169 * puncturing in the US and Canada. Do that here, at least until we 170 * figure out the new chanctx APIs for puncturing. 171 */ 172 if (resp->mcc == cpu_to_le16(IWL_MCC_US) || 173 resp->mcc == cpu_to_le16(IWL_MCC_CANADA)) 174 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 175 else 176 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 177 178 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 179 180 out: 181 kfree(resp); 182 return regd; 183 } 184 185 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 186 { 187 bool changed; 188 struct ieee80211_regdomain *regd; 189 190 if (!iwl_mvm_is_lar_supported(mvm)) 191 return; 192 193 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 194 if (!IS_ERR_OR_NULL(regd)) { 195 /* only update the regulatory core if changed */ 196 if (changed) 197 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 198 199 kfree(regd); 200 } 201 } 202 203 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 204 bool *changed) 205 { 206 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 207 iwl_mvm_is_wifi_mcc_supported(mvm) ? 208 MCC_SOURCE_GET_CURRENT : 209 MCC_SOURCE_OLD_FW, changed); 210 } 211 212 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 213 { 214 enum iwl_mcc_source used_src; 215 struct ieee80211_regdomain *regd; 216 int ret; 217 bool changed; 218 const struct ieee80211_regdomain *r = 219 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 220 221 if (!r) 222 return -ENOENT; 223 224 /* save the last source in case we overwrite it below */ 225 used_src = mvm->mcc_src; 226 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 227 /* Notify the firmware we support wifi location updates */ 228 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 229 if (!IS_ERR_OR_NULL(regd)) 230 kfree(regd); 231 } 232 233 /* Now set our last stored MCC and source */ 234 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 235 &changed); 236 if (IS_ERR_OR_NULL(regd)) 237 return -EIO; 238 239 /* update cfg80211 if the regdomain was changed or the caller explicitly 240 * asked to update regdomain 241 */ 242 if (changed || force_regd_sync) 243 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 244 else 245 ret = 0; 246 247 kfree(regd); 248 return ret; 249 } 250 251 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 252 static const u8 he_if_types_ext_capa_sta[] = { 253 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 254 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 255 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 256 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 257 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 258 }; 259 260 static const u8 tm_if_types_ext_capa_sta[] = { 261 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 262 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 263 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 264 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 265 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 266 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 267 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 268 }; 269 270 /* Additional interface types for which extended capabilities are 271 * specified separately 272 */ 273 274 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 275 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 276 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 277 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 278 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 279 #define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \ 280 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 281 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) 282 283 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 284 { 285 .iftype = NL80211_IFTYPE_STATION, 286 .extended_capabilities = he_if_types_ext_capa_sta, 287 .extended_capabilities_mask = he_if_types_ext_capa_sta, 288 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 289 /* relevant only if EHT is supported */ 290 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 291 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 292 }, 293 { 294 .iftype = NL80211_IFTYPE_STATION, 295 .extended_capabilities = tm_if_types_ext_capa_sta, 296 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 297 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 298 /* relevant only if EHT is supported */ 299 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 300 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 301 }, 302 }; 303 304 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 305 { 306 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 307 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 308 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 309 return 0; 310 } 311 312 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 313 { 314 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 315 316 /* This has been tested on those devices only */ 317 if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 318 mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000) 319 return -EOPNOTSUPP; 320 321 if (!mvm->nvm_data) 322 return -EBUSY; 323 324 /* mac80211 ensures the device is not started, 325 * so the firmware cannot be running 326 */ 327 328 mvm->set_tx_ant = tx_ant; 329 mvm->set_rx_ant = rx_ant; 330 331 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 332 333 return 0; 334 } 335 336 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 337 { 338 struct ieee80211_hw *hw = mvm->hw; 339 int num_mac, ret, i; 340 static const u32 mvm_ciphers[] = { 341 WLAN_CIPHER_SUITE_WEP40, 342 WLAN_CIPHER_SUITE_WEP104, 343 WLAN_CIPHER_SUITE_TKIP, 344 WLAN_CIPHER_SUITE_CCMP, 345 }; 346 #ifdef CONFIG_PM_SLEEP 347 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 348 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 349 #endif 350 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 351 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 352 353 /* Tell mac80211 our characteristics */ 354 ieee80211_hw_set(hw, SIGNAL_DBM); 355 ieee80211_hw_set(hw, SPECTRUM_MGMT); 356 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 357 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 358 ieee80211_hw_set(hw, SUPPORTS_PS); 359 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 360 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 361 ieee80211_hw_set(hw, CONNECTION_MONITOR); 362 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 363 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 364 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 365 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 366 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 367 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 368 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 369 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 370 371 /* Set this early since we need to have it for the check below */ 372 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 373 !iwlwifi_mod_params.disable_11ax && 374 !iwlwifi_mod_params.disable_11be) { 375 hw->wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT; 376 /* we handle this already earlier, but need it for MLO */ 377 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 378 } 379 380 /* With MLD FW API, it tracks timing by itself, 381 * no need for any timing from the host 382 */ 383 if (!mvm->mld_api_is_used) 384 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 385 386 /* We should probably have this, but mac80211 387 * currently doesn't support it for MLO. 388 */ 389 if (!(hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) 390 ieee80211_hw_set(hw, DEAUTH_NEED_MGD_TX_PREP); 391 392 /* 393 * On older devices, enabling TX A-MSDU occasionally leads to 394 * something getting messed up, the command read from the FIFO 395 * gets out of sync and isn't a TX command, so that we have an 396 * assert EDC. 397 * 398 * It's not clear where the bug is, but since we didn't used to 399 * support A-MSDU until moving the mac80211 iTXQs, just leave it 400 * for older devices. We also don't see this issue on any newer 401 * devices. 402 */ 403 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 404 ieee80211_hw_set(hw, TX_AMSDU); 405 ieee80211_hw_set(hw, TX_FRAG_LIST); 406 407 if (iwl_mvm_has_tlc_offload(mvm)) { 408 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 409 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 410 } 411 412 /* We want to use the mac80211's reorder buffer for 9000 */ 413 if (iwl_mvm_has_new_rx_api(mvm) && 414 mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000) 415 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 416 417 if (fw_has_capa(&mvm->fw->ucode_capa, 418 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 419 ieee80211_hw_set(hw, AP_LINK_PS); 420 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 421 /* 422 * we absolutely need this for the new TX API since that comes 423 * with many more queues than the current code can deal with 424 * for station powersave 425 */ 426 return -EINVAL; 427 } 428 429 if (mvm->trans->num_rx_queues > 1) 430 ieee80211_hw_set(hw, USES_RSS); 431 432 if (mvm->trans->max_skb_frags) 433 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 434 435 hw->queues = IEEE80211_NUM_ACS; 436 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 437 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 438 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 439 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 440 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 441 442 hw->radiotap_timestamp.units_pos = 443 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 444 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 445 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 446 hw->radiotap_timestamp.accuracy = 22; 447 448 if (!iwl_mvm_has_tlc_offload(mvm)) 449 hw->rate_control_algorithm = RS_NAME; 450 451 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 452 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 453 hw->max_tx_fragments = mvm->trans->max_skb_frags; 454 455 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 456 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 457 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 458 hw->wiphy->cipher_suites = mvm->ciphers; 459 460 if (iwl_mvm_has_new_rx_api(mvm)) { 461 mvm->ciphers[hw->wiphy->n_cipher_suites] = 462 WLAN_CIPHER_SUITE_GCMP; 463 hw->wiphy->n_cipher_suites++; 464 mvm->ciphers[hw->wiphy->n_cipher_suites] = 465 WLAN_CIPHER_SUITE_GCMP_256; 466 hw->wiphy->n_cipher_suites++; 467 } 468 469 if (iwlwifi_mod_params.swcrypto) 470 IWL_ERR(mvm, 471 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 472 if (!iwlwifi_mod_params.bt_coex_active) 473 IWL_ERR(mvm, 474 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 475 476 ieee80211_hw_set(hw, MFP_CAPABLE); 477 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 478 hw->wiphy->n_cipher_suites++; 479 if (iwl_mvm_has_new_rx_api(mvm)) { 480 mvm->ciphers[hw->wiphy->n_cipher_suites] = 481 WLAN_CIPHER_SUITE_BIP_GMAC_128; 482 hw->wiphy->n_cipher_suites++; 483 mvm->ciphers[hw->wiphy->n_cipher_suites] = 484 WLAN_CIPHER_SUITE_BIP_GMAC_256; 485 hw->wiphy->n_cipher_suites++; 486 } 487 488 wiphy_ext_feature_set(hw->wiphy, 489 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 490 wiphy_ext_feature_set(hw->wiphy, 491 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 492 493 if (fw_has_capa(&mvm->fw->ucode_capa, 494 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 495 wiphy_ext_feature_set(hw->wiphy, 496 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 497 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 498 } 499 500 if (sec_key_ver && 501 fw_has_capa(&mvm->fw->ucode_capa, 502 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 503 wiphy_ext_feature_set(hw->wiphy, 504 NL80211_EXT_FEATURE_BEACON_PROTECTION); 505 else if (fw_has_capa(&mvm->fw->ucode_capa, 506 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 507 wiphy_ext_feature_set(hw->wiphy, 508 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 509 510 if (fw_has_capa(&mvm->fw->ucode_capa, 511 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 512 hw->wiphy->hw_timestamp_max_peers = 1; 513 514 if (fw_has_capa(&mvm->fw->ucode_capa, 515 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 516 wiphy_ext_feature_set(hw->wiphy, 517 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 518 519 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 520 hw->wiphy->features |= 521 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 522 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 523 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 524 525 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 526 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 527 hw->chanctx_data_size = sizeof(u16); 528 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 529 530 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 531 BIT(NL80211_IFTYPE_P2P_CLIENT) | 532 BIT(NL80211_IFTYPE_AP) | 533 BIT(NL80211_IFTYPE_P2P_GO) | 534 BIT(NL80211_IFTYPE_P2P_DEVICE) | 535 BIT(NL80211_IFTYPE_ADHOC); 536 537 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 538 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 539 540 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 541 * the hw, preventing us to control which key(id) to use per MPDU. 542 * Till that's fixed we can't use Extended Key ID for the newer cards. 543 */ 544 if (!iwl_mvm_has_new_tx_api(mvm)) 545 wiphy_ext_feature_set(hw->wiphy, 546 NL80211_EXT_FEATURE_EXT_KEY_ID); 547 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 548 549 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 550 if (iwl_mvm_is_lar_supported(mvm)) 551 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 552 else 553 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 554 REGULATORY_DISABLE_BEACON_HINTS; 555 556 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 557 wiphy_ext_feature_set(hw->wiphy, 558 NL80211_EXT_FEATURE_DFS_CONCURRENT); 559 560 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 561 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 562 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 563 564 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 565 hw->wiphy->n_iface_combinations = 566 ARRAY_SIZE(iwl_mvm_iface_combinations); 567 568 hw->wiphy->max_remain_on_channel_duration = 10000; 569 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 570 571 /* Extract MAC address */ 572 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 573 hw->wiphy->addresses = mvm->addresses; 574 hw->wiphy->n_addresses = 1; 575 576 /* Extract additional MAC addresses if available */ 577 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 578 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 579 580 for (i = 1; i < num_mac; i++) { 581 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 582 ETH_ALEN); 583 mvm->addresses[i].addr[5]++; 584 hw->wiphy->n_addresses++; 585 } 586 587 iwl_mvm_reset_phy_ctxts(mvm); 588 589 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 590 591 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 592 593 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 594 BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 595 IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 596 597 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 598 mvm->max_scans = IWL_MAX_UMAC_SCANS; 599 else 600 mvm->max_scans = IWL_MAX_LMAC_SCANS; 601 602 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 603 hw->wiphy->bands[NL80211_BAND_2GHZ] = 604 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 605 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 606 hw->wiphy->bands[NL80211_BAND_5GHZ] = 607 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 608 609 if (fw_has_capa(&mvm->fw->ucode_capa, 610 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 611 fw_has_api(&mvm->fw->ucode_capa, 612 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 613 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 614 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 615 } 616 if (fw_has_capa(&mvm->fw->ucode_capa, 617 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 618 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 619 hw->wiphy->bands[NL80211_BAND_6GHZ] = 620 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 621 622 hw->wiphy->hw_version = mvm->trans->hw_id; 623 624 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 625 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 626 else 627 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 628 629 hw->wiphy->max_sched_scan_reqs = 1; 630 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 631 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 632 /* we create the 802.11 header and zero length SSID IE. */ 633 hw->wiphy->max_sched_scan_ie_len = 634 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 635 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 636 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 637 638 /* 639 * the firmware uses u8 for num of iterations, but 0xff is saved for 640 * infinite loop, so the maximum number of iterations is actually 254. 641 */ 642 hw->wiphy->max_sched_scan_plan_iterations = 254; 643 644 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 645 NL80211_FEATURE_LOW_PRIORITY_SCAN | 646 NL80211_FEATURE_P2P_GO_OPPPS | 647 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 648 NL80211_FEATURE_DYNAMIC_SMPS | 649 NL80211_FEATURE_STATIC_SMPS | 650 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 651 652 if (fw_has_capa(&mvm->fw->ucode_capa, 653 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 654 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 655 if (fw_has_capa(&mvm->fw->ucode_capa, 656 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 657 hw->wiphy->features |= NL80211_FEATURE_QUIET; 658 659 if (fw_has_capa(&mvm->fw->ucode_capa, 660 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 661 hw->wiphy->features |= 662 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 663 664 if (fw_has_capa(&mvm->fw->ucode_capa, 665 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 666 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 667 668 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 669 IWL_FW_CMD_VER_UNKNOWN) == 3) 670 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 671 672 if (fw_has_api(&mvm->fw->ucode_capa, 673 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 674 wiphy_ext_feature_set(hw->wiphy, 675 NL80211_EXT_FEATURE_SCAN_START_TIME); 676 wiphy_ext_feature_set(hw->wiphy, 677 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 678 } 679 680 if (iwl_mvm_is_oce_supported(mvm)) { 681 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 682 683 wiphy_ext_feature_set(hw->wiphy, 684 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 685 wiphy_ext_feature_set(hw->wiphy, 686 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 687 wiphy_ext_feature_set(hw->wiphy, 688 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 689 690 /* Old firmware also supports probe deferral and suppression */ 691 if (scan_ver < 15) 692 wiphy_ext_feature_set(hw->wiphy, 693 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 694 } 695 696 hw->wiphy->iftype_ext_capab = NULL; 697 hw->wiphy->num_iftype_ext_capab = 0; 698 699 if (mvm->nvm_data->sku_cap_11ax_enable && 700 !iwlwifi_mod_params.disable_11ax) { 701 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 702 hw->wiphy->num_iftype_ext_capab = 703 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 704 705 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 706 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 707 } 708 709 if (iwl_fw_lookup_cmd_ver(mvm->fw, 710 WIDE_ID(DATA_PATH_GROUP, 711 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 712 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 713 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 714 715 if (!hw->wiphy->iftype_ext_capab) { 716 hw->wiphy->num_iftype_ext_capab = 1; 717 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 718 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 719 } else { 720 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 721 } 722 } 723 724 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 725 TOF_RANGE_REQ_CMD), 726 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 727 wiphy_ext_feature_set(hw->wiphy, 728 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 729 730 if (fw_has_capa(&mvm->fw->ucode_capa, 731 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 732 wiphy_ext_feature_set(hw->wiphy, 733 NL80211_EXT_FEATURE_SECURE_LTF); 734 } 735 736 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 737 738 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 739 740 #ifdef CONFIG_PM_SLEEP 741 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 742 device_can_wakeup(mvm->trans->dev)) { 743 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 744 WIPHY_WOWLAN_DISCONNECT | 745 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 746 WIPHY_WOWLAN_RFKILL_RELEASE | 747 WIPHY_WOWLAN_NET_DETECT; 748 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 749 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 750 WIPHY_WOWLAN_4WAY_HANDSHAKE; 751 752 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 753 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 754 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 755 mvm->wowlan.max_nd_match_sets = 756 iwl_umac_scan_get_max_profiles(mvm->fw); 757 hw->wiphy->wowlan = &mvm->wowlan; 758 } 759 #endif 760 761 ret = iwl_mvm_leds_init(mvm); 762 if (ret) 763 return ret; 764 765 if (fw_has_capa(&mvm->fw->ucode_capa, 766 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 767 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 768 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 769 ieee80211_hw_set(hw, TDLS_WIDER_BW); 770 } 771 772 if (fw_has_capa(&mvm->fw->ucode_capa, 773 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 774 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 775 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 776 } 777 778 hw->netdev_features |= mvm->cfg->features; 779 if (!iwl_mvm_is_csum_supported(mvm)) 780 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 781 782 if (mvm->cfg->vht_mu_mimo_supported) 783 wiphy_ext_feature_set(hw->wiphy, 784 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 785 786 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 787 wiphy_ext_feature_set(hw->wiphy, 788 NL80211_EXT_FEATURE_PROTECTED_TWT); 789 790 iwl_mvm_vendor_cmds_register(mvm); 791 792 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 793 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 794 795 ret = ieee80211_register_hw(mvm->hw); 796 if (ret) { 797 iwl_mvm_leds_exit(mvm); 798 } 799 800 return ret; 801 } 802 803 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 804 struct ieee80211_sta *sta) 805 { 806 if (likely(sta)) { 807 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 808 return; 809 } else { 810 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 811 return; 812 } 813 814 ieee80211_free_txskb(mvm->hw, skb); 815 } 816 817 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 818 struct ieee80211_tx_control *control, struct sk_buff *skb) 819 { 820 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 821 struct ieee80211_sta *sta = control->sta; 822 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 823 struct ieee80211_hdr *hdr = (void *)skb->data; 824 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 825 IEEE80211_TX_CTL_TX_OFFCHAN; 826 u32 link_id = u32_get_bits(info->control.flags, 827 IEEE80211_TX_CTRL_MLO_LINK); 828 struct ieee80211_sta *tmp_sta = sta; 829 830 if (iwl_mvm_is_radio_killed(mvm)) { 831 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 832 goto drop; 833 } 834 835 if (offchannel && 836 !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) && 837 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 838 goto drop; 839 840 /* 841 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 842 * so we treat the others as broadcast 843 */ 844 if (ieee80211_is_mgmt(hdr->frame_control)) 845 sta = NULL; 846 847 /* If there is no sta, and it's not offchannel - send through AP */ 848 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 849 !offchannel) { 850 struct iwl_mvm_vif *mvmvif = 851 iwl_mvm_vif_from_mac80211(info->control.vif); 852 u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); 853 854 if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 855 /* mac80211 holds rcu read lock */ 856 sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 857 if (IS_ERR_OR_NULL(sta)) 858 goto drop; 859 } 860 } 861 862 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 863 !ieee80211_is_probe_resp(hdr->frame_control)) { 864 /* translate MLD addresses to LINK addresses */ 865 struct ieee80211_link_sta *link_sta = 866 rcu_dereference(tmp_sta->link[link_id]); 867 struct ieee80211_bss_conf *link_conf = 868 rcu_dereference(info->control.vif->link_conf[link_id]); 869 struct ieee80211_mgmt *mgmt; 870 871 if (WARN_ON(!link_sta || !link_conf)) 872 goto drop; 873 874 /* if sta is NULL, the frame is a management frame */ 875 mgmt = (void *)hdr; 876 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 877 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 878 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 879 } 880 881 iwl_mvm_tx_skb(mvm, skb, sta); 882 return; 883 drop: 884 ieee80211_free_txskb(hw, skb); 885 } 886 887 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 888 { 889 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 890 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 891 struct sk_buff *skb = NULL; 892 893 /* 894 * No need for threads to be pending here, they can leave the first 895 * taker all the work. 896 * 897 * mvmtxq->tx_request logic: 898 * 899 * If 0, no one is currently TXing, set to 1 to indicate current thread 900 * will now start TX and other threads should quit. 901 * 902 * If 1, another thread is currently TXing, set to 2 to indicate to 903 * that thread that there was another request. Since that request may 904 * have raced with the check whether the queue is empty, the TXing 905 * thread should check the queue's status one more time before leaving. 906 * This check is done in order to not leave any TX hanging in the queue 907 * until the next TX invocation (which may not even happen). 908 * 909 * If 2, another thread is currently TXing, and it will already double 910 * check the queue, so do nothing. 911 */ 912 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 913 return; 914 915 rcu_read_lock(); 916 do { 917 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 918 &mvmtxq->state) && 919 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 920 &mvmtxq->state) && 921 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 922 &mvmtxq->state) && 923 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 924 skb = ieee80211_tx_dequeue(hw, txq); 925 926 if (!skb) { 927 if (txq->sta) 928 IWL_DEBUG_TX(mvm, 929 "TXQ of sta %pM tid %d is now empty\n", 930 txq->sta->addr, 931 txq->tid); 932 break; 933 } 934 935 iwl_mvm_tx_skb(mvm, skb, txq->sta); 936 } 937 } while (atomic_dec_return(&mvmtxq->tx_request)); 938 rcu_read_unlock(); 939 } 940 941 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 942 struct ieee80211_txq *txq) 943 { 944 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 945 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 946 947 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 948 !txq->sta) { 949 iwl_mvm_mac_itxq_xmit(hw, txq); 950 return; 951 } 952 953 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 954 * to handle any packets we leave on the txq now 955 */ 956 957 spin_lock_bh(&mvm->add_stream_lock); 958 /* The list is being deleted only after the queue is fully allocated. */ 959 if (list_empty(&mvmtxq->list) && 960 /* recheck under lock */ 961 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 962 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 963 schedule_work(&mvm->add_stream_wk); 964 } 965 spin_unlock_bh(&mvm->add_stream_lock); 966 } 967 968 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 969 do { \ 970 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 971 break; \ 972 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 973 } while (0) 974 975 static void 976 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 977 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 978 enum ieee80211_ampdu_mlme_action action) 979 { 980 struct iwl_fw_dbg_trigger_tlv *trig; 981 struct iwl_fw_dbg_trigger_ba *ba_trig; 982 983 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 984 FW_DBG_TRIGGER_BA); 985 if (!trig) 986 return; 987 988 ba_trig = (void *)trig->data; 989 990 switch (action) { 991 case IEEE80211_AMPDU_TX_OPERATIONAL: { 992 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 993 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 994 995 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 996 "TX AGG START: MAC %pM tid %d ssn %d\n", 997 sta->addr, tid, tid_data->ssn); 998 break; 999 } 1000 case IEEE80211_AMPDU_TX_STOP_CONT: 1001 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1002 "TX AGG STOP: MAC %pM tid %d\n", 1003 sta->addr, tid); 1004 break; 1005 case IEEE80211_AMPDU_RX_START: 1006 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1007 "RX AGG START: MAC %pM tid %d ssn %d\n", 1008 sta->addr, tid, rx_ba_ssn); 1009 break; 1010 case IEEE80211_AMPDU_RX_STOP: 1011 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1012 "RX AGG STOP: MAC %pM tid %d\n", 1013 sta->addr, tid); 1014 break; 1015 default: 1016 break; 1017 } 1018 } 1019 1020 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1021 struct ieee80211_vif *vif, 1022 struct ieee80211_ampdu_params *params) 1023 { 1024 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1025 int ret; 1026 struct ieee80211_sta *sta = params->sta; 1027 enum ieee80211_ampdu_mlme_action action = params->action; 1028 u16 tid = params->tid; 1029 u16 *ssn = ¶ms->ssn; 1030 u16 buf_size = params->buf_size; 1031 bool amsdu = params->amsdu; 1032 u16 timeout = params->timeout; 1033 1034 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1035 sta->addr, tid, action); 1036 1037 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1038 return -EACCES; 1039 1040 mutex_lock(&mvm->mutex); 1041 1042 switch (action) { 1043 case IEEE80211_AMPDU_RX_START: 1044 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1045 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1046 struct iwl_mvm_vif *mvmvif; 1047 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1048 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1049 1050 mdata->opened_rx_ba_sessions = true; 1051 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1052 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1053 } 1054 if (!iwl_enable_rx_ampdu()) { 1055 ret = -EINVAL; 1056 break; 1057 } 1058 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1059 timeout); 1060 break; 1061 case IEEE80211_AMPDU_RX_STOP: 1062 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1063 timeout); 1064 break; 1065 case IEEE80211_AMPDU_TX_START: 1066 if (!iwl_enable_tx_ampdu()) { 1067 ret = -EINVAL; 1068 break; 1069 } 1070 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1071 break; 1072 case IEEE80211_AMPDU_TX_STOP_CONT: 1073 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1074 break; 1075 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1076 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1077 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1078 break; 1079 case IEEE80211_AMPDU_TX_OPERATIONAL: 1080 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1081 buf_size, amsdu); 1082 break; 1083 default: 1084 WARN_ON_ONCE(1); 1085 ret = -EINVAL; 1086 break; 1087 } 1088 1089 if (!ret) { 1090 u16 rx_ba_ssn = 0; 1091 1092 if (action == IEEE80211_AMPDU_RX_START) 1093 rx_ba_ssn = *ssn; 1094 1095 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1096 rx_ba_ssn, action); 1097 } 1098 mutex_unlock(&mvm->mutex); 1099 1100 return ret; 1101 } 1102 1103 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1104 struct ieee80211_vif *vif) 1105 { 1106 struct iwl_mvm *mvm = data; 1107 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1108 struct iwl_probe_resp_data *probe_data; 1109 unsigned int link_id; 1110 1111 mvmvif->uploaded = false; 1112 1113 spin_lock_bh(&mvm->time_event_lock); 1114 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1115 spin_unlock_bh(&mvm->time_event_lock); 1116 1117 mvmvif->roc_activity = ROC_NUM_ACTIVITIES; 1118 1119 mvmvif->bf_enabled = false; 1120 mvmvif->ba_enabled = false; 1121 mvmvif->ap_sta = NULL; 1122 1123 mvmvif->esr_active = false; 1124 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1125 1126 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1127 mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 1128 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1129 mvmvif->link[link_id]->phy_ctxt = NULL; 1130 mvmvif->link[link_id]->active = 0; 1131 mvmvif->link[link_id]->igtk = NULL; 1132 memset(&mvmvif->link[link_id]->bf_data, 0, 1133 sizeof(mvmvif->link[link_id]->bf_data)); 1134 } 1135 1136 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1137 lockdep_is_held(&mvm->mutex)); 1138 if (probe_data) 1139 kfree_rcu(probe_data, rcu_head); 1140 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1141 } 1142 1143 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1144 { 1145 struct iwl_mvm *mvm = data; 1146 struct iwl_mvm_sta *mvm_sta; 1147 struct ieee80211_vif *vif; 1148 int link_id; 1149 1150 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1151 vif = mvm_sta->vif; 1152 1153 if (!sta->valid_links) 1154 return; 1155 1156 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1157 struct iwl_mvm_link_sta *mvm_link_sta; 1158 1159 mvm_link_sta = 1160 rcu_dereference_check(mvm_sta->link[link_id], 1161 lockdep_is_held(&mvm->mutex)); 1162 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1163 /* 1164 * We have a link STA but the link is inactive in 1165 * mac80211. This will happen if we failed to 1166 * deactivate the link but mac80211 roll back the 1167 * deactivation of the link. 1168 * Delete the stale data to avoid issues later on. 1169 */ 1170 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1171 link_id, false); 1172 } 1173 } 1174 } 1175 1176 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1177 { 1178 iwl_mvm_stop_device(mvm); 1179 1180 mvm->cur_aid = 0; 1181 1182 mvm->scan_status = 0; 1183 mvm->ps_disabled = false; 1184 mvm->rfkill_safe_init_done = false; 1185 1186 /* just in case one was running */ 1187 iwl_mvm_cleanup_roc_te(mvm); 1188 ieee80211_remain_on_channel_expired(mvm->hw); 1189 1190 iwl_mvm_ftm_restart(mvm); 1191 1192 /* 1193 * cleanup all interfaces, even inactive ones, as some might have 1194 * gone down during the HW restart 1195 */ 1196 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1197 1198 /* cleanup stations as links may be gone after restart */ 1199 ieee80211_iterate_stations_atomic(mvm->hw, 1200 iwl_mvm_cleanup_sta_iterator, mvm); 1201 1202 mvm->p2p_device_vif = NULL; 1203 1204 iwl_mvm_reset_phy_ctxts(mvm); 1205 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1206 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1207 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1208 1209 ieee80211_wake_queues(mvm->hw); 1210 1211 mvm->rx_ba_sessions = 0; 1212 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1213 mvm->monitor_on = false; 1214 #ifdef CONFIG_IWLWIFI_DEBUGFS 1215 mvm->beacon_inject_active = false; 1216 #endif 1217 1218 /* keep statistics ticking */ 1219 iwl_mvm_accu_radio_stats(mvm); 1220 } 1221 1222 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1223 { 1224 bool fast_resume = false; 1225 int ret; 1226 1227 lockdep_assert_held(&mvm->mutex); 1228 1229 ret = iwl_mvm_mei_get_ownership(mvm); 1230 if (ret) 1231 return ret; 1232 1233 if (mvm->mei_nvm_data) { 1234 /* We got the NIC, we can now free the MEI NVM data */ 1235 kfree(mvm->mei_nvm_data); 1236 mvm->mei_nvm_data = NULL; 1237 1238 /* 1239 * We can't free the nvm_data we allocated based on the SAP 1240 * data because we registered to cfg80211 with the channels 1241 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1242 * just in order to be able free it later. 1243 * NULLify nvm_data so that we will read the NVM from the 1244 * firmware this time. 1245 */ 1246 mvm->temp_nvm_data = mvm->nvm_data; 1247 mvm->nvm_data = NULL; 1248 } 1249 1250 #ifdef CONFIG_PM 1251 /* fast_resume will be cleared by iwl_mvm_fast_resume */ 1252 fast_resume = mvm->fast_resume; 1253 1254 if (fast_resume) { 1255 ret = iwl_mvm_fast_resume(mvm); 1256 if (ret) { 1257 iwl_mvm_stop_device(mvm); 1258 /* iwl_mvm_up() will be called further down */ 1259 } else { 1260 /* 1261 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1262 * mac_down() so that debugfs will stop honoring 1263 * requests after we flush all the workers. 1264 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1265 * now that we are back. This is a bit abusing the 1266 * flag since the firmware wasn't really ever stopped, 1267 * but this still serves the purpose. 1268 */ 1269 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1270 } 1271 } 1272 #endif /* CONFIG_PM */ 1273 1274 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1275 /* 1276 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1277 * so later code will - from now on - see that we're doing it. 1278 */ 1279 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1280 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1281 /* Clean up some internal and mac80211 state on restart */ 1282 iwl_mvm_restart_cleanup(mvm); 1283 } 1284 1285 /* we also want to load the firmware if fast_resume failed */ 1286 if (!fast_resume || ret) 1287 ret = iwl_mvm_up(mvm); 1288 1289 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1290 NULL); 1291 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1292 NULL); 1293 1294 mvm->last_reset_or_resume_time_jiffies = jiffies; 1295 1296 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1297 /* Something went wrong - we need to finish some cleanup 1298 * that normally iwl_mvm_mac_restart_complete() below 1299 * would do. 1300 */ 1301 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1302 } 1303 1304 return ret; 1305 } 1306 1307 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1308 { 1309 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1310 int ret; 1311 1312 mutex_lock(&mvm->mutex); 1313 1314 /* we are starting the mac not in error flow, and restart is enabled */ 1315 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1316 iwlwifi_mod_params.fw_restart) { 1317 /* 1318 * This will prevent mac80211 recovery flows to trigger during 1319 * init failures 1320 */ 1321 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1322 } 1323 1324 ret = __iwl_mvm_mac_start(mvm); 1325 clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1326 1327 mutex_unlock(&mvm->mutex); 1328 1329 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1330 1331 return ret; 1332 } 1333 1334 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1335 { 1336 int ret; 1337 1338 guard(mvm)(mvm); 1339 1340 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1341 1342 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1343 if (ret) 1344 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1345 ret); 1346 1347 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1348 1349 /* 1350 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1351 * of packets the FW sent out, so we must reconnect. 1352 */ 1353 iwl_mvm_teardown_tdls_peers(mvm); 1354 } 1355 1356 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1357 enum ieee80211_reconfig_type reconfig_type) 1358 { 1359 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1360 1361 switch (reconfig_type) { 1362 case IEEE80211_RECONFIG_TYPE_RESTART: 1363 iwl_mvm_restart_complete(mvm); 1364 break; 1365 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1366 break; 1367 } 1368 } 1369 1370 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1371 { 1372 lockdep_assert_held(&mvm->mutex); 1373 1374 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1375 1376 /* firmware counters are obviously reset now, but we shouldn't 1377 * partially track so also clear the fw_reset_accu counters. 1378 */ 1379 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1380 1381 /* async_handlers_wk is now blocked */ 1382 1383 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1384 iwl_mvm_rm_aux_sta(mvm); 1385 1386 if (suspend && 1387 mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 1388 iwl_mvm_fast_suspend(mvm); 1389 else 1390 iwl_mvm_stop_device(mvm); 1391 1392 iwl_mvm_async_handlers_purge(mvm); 1393 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1394 1395 /* 1396 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1397 * hw (as restart_complete() won't be called in this case) and mac80211 1398 * won't execute the restart. 1399 * But make sure to cleanup interfaces that have gone down before/during 1400 * HW restart was requested. 1401 */ 1402 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1403 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1404 &mvm->status)) 1405 ieee80211_iterate_interfaces(mvm->hw, 0, 1406 iwl_mvm_cleanup_iterator, mvm); 1407 1408 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1409 * make sure there's nothing left there and warn if any is found. 1410 */ 1411 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1412 int i; 1413 1414 for (i = 0; i < mvm->max_scans; i++) { 1415 if (WARN_ONCE(mvm->scan_uid_status[i], 1416 "UMAC scan UID %d status was not cleaned\n", 1417 i)) 1418 mvm->scan_uid_status[i] = 0; 1419 } 1420 } 1421 } 1422 1423 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1424 { 1425 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1426 1427 /* Stop internal MLO scan, if running */ 1428 mutex_lock(&mvm->mutex); 1429 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1430 mutex_unlock(&mvm->mutex); 1431 1432 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1433 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1434 flush_work(&mvm->async_handlers_wk); 1435 flush_work(&mvm->add_stream_wk); 1436 1437 /* 1438 * Lock and clear the firmware running bit here already, so that 1439 * new commands coming in elsewhere, e.g. from debugfs, will not 1440 * be able to proceed. This is important here because one of those 1441 * debugfs files causes the firmware dump to be triggered, and if we 1442 * don't stop debugfs accesses before canceling that it could be 1443 * retriggered after we flush it but before we've cleared the bit. 1444 */ 1445 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1446 1447 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1448 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1449 1450 /* 1451 * The work item could be running or queued if the 1452 * ROC time event stops just as we get here. 1453 */ 1454 flush_work(&mvm->roc_done_wk); 1455 1456 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1457 1458 mutex_lock(&mvm->mutex); 1459 __iwl_mvm_mac_stop(mvm, suspend); 1460 mutex_unlock(&mvm->mutex); 1461 1462 /* 1463 * The worker might have been waiting for the mutex, let it run and 1464 * discover that its list is now empty. 1465 */ 1466 cancel_work_sync(&mvm->async_handlers_wk); 1467 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1468 } 1469 1470 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1471 { 1472 u16 i; 1473 1474 lockdep_assert_held(&mvm->mutex); 1475 1476 for (i = 0; i < NUM_PHY_CTX; i++) 1477 if (!mvm->phy_ctxts[i].ref) 1478 return &mvm->phy_ctxts[i]; 1479 1480 IWL_ERR(mvm, "No available PHY context\n"); 1481 return NULL; 1482 } 1483 1484 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1485 s16 tx_power) 1486 { 1487 u32 cmd_id = REDUCE_TX_POWER_CMD; 1488 int len; 1489 struct iwl_dev_tx_power_cmd cmd = { 1490 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1491 .common.mac_context_id = 1492 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1493 .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1494 }; 1495 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1496 IWL_FW_CMD_VER_UNKNOWN); 1497 1498 if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1499 cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1500 1501 if (cmd_ver == 8) 1502 len = sizeof(cmd.v8); 1503 else if (cmd_ver == 7) 1504 len = sizeof(cmd.v7); 1505 else if (cmd_ver == 6) 1506 len = sizeof(cmd.v6); 1507 else if (fw_has_api(&mvm->fw->ucode_capa, 1508 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1509 len = sizeof(cmd.v5); 1510 else if (fw_has_capa(&mvm->fw->ucode_capa, 1511 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1512 len = sizeof(cmd.v4); 1513 else 1514 len = sizeof(cmd.v3); 1515 1516 /* all structs have the same common part, add it */ 1517 len += sizeof(cmd.common); 1518 1519 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1520 } 1521 1522 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1523 { 1524 struct ieee80211_hw *hw = data; 1525 int i; 1526 1527 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1528 struct iwl_mvm_txq *mvmtxq = 1529 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1530 1531 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1532 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1533 } 1534 } 1535 1536 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1537 struct ieee80211_vif *vif, 1538 struct ieee80211_bss_conf *link_conf) 1539 { 1540 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1541 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1542 int ret; 1543 1544 mutex_lock(&mvm->mutex); 1545 1546 if (vif->type == NL80211_IFTYPE_STATION) { 1547 struct iwl_mvm_sta *mvmsta; 1548 unsigned int link_id = link_conf->link_id; 1549 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1550 1551 mvmvif->csa_bcn_pending = false; 1552 mvmvif->csa_blocks_tx = false; 1553 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1554 1555 if (WARN_ON(!mvmsta)) { 1556 ret = -EIO; 1557 goto out_unlock; 1558 } 1559 1560 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1561 if (mvm->mld_api_is_used) 1562 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1563 else 1564 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1565 1566 if (!fw_has_capa(&mvm->fw->ucode_capa, 1567 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1568 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1569 if (ret) 1570 goto out_unlock; 1571 1572 iwl_mvm_stop_session_protection(mvm, vif); 1573 } 1574 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1575 struct iwl_mvm_txq *mvmtxq = 1576 iwl_mvm_txq_from_mac80211(vif->txq); 1577 1578 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1579 1580 local_bh_disable(); 1581 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1582 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1583 local_bh_enable(); 1584 1585 mvmvif->csa_blocks_tx = false; 1586 } 1587 1588 mvmvif->ps_disabled = false; 1589 1590 ret = iwl_mvm_power_update_ps(mvm); 1591 1592 out_unlock: 1593 if (mvmvif->csa_failed) 1594 ret = -EIO; 1595 mutex_unlock(&mvm->mutex); 1596 1597 return ret; 1598 } 1599 1600 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1601 struct ieee80211_vif *vif, 1602 struct ieee80211_bss_conf *link_conf) 1603 { 1604 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1605 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1606 struct iwl_chan_switch_te_cmd cmd = { 1607 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1608 mvmvif->color)), 1609 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1610 }; 1611 1612 /* 1613 * In the new flow since FW is in charge of the timing, 1614 * if driver has canceled the channel switch he will receive the 1615 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1616 */ 1617 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1618 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1619 return; 1620 1621 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1622 1623 mutex_lock(&mvm->mutex); 1624 if (!fw_has_capa(&mvm->fw->ucode_capa, 1625 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1626 iwl_mvm_remove_csa_period(mvm, vif); 1627 else 1628 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1629 WIDE_ID(MAC_CONF_GROUP, 1630 CHANNEL_SWITCH_TIME_EVENT_CMD), 1631 0, sizeof(cmd), &cmd)); 1632 mvmvif->csa_failed = true; 1633 mutex_unlock(&mvm->mutex); 1634 1635 /* If we're here, we can't support MLD */ 1636 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1637 } 1638 1639 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1640 { 1641 struct iwl_mvm_vif *mvmvif; 1642 struct ieee80211_vif *vif; 1643 1644 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1645 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1646 1647 /* Trigger disconnect (should clear the CSA state) */ 1648 ieee80211_chswitch_done(vif, false, 0); 1649 } 1650 1651 static u8 1652 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1653 { 1654 int data_start; 1655 int control_start; 1656 int bw; 1657 1658 if (chandef->width == NL80211_CHAN_WIDTH_320) 1659 bw = 320; 1660 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1661 bw = 160; 1662 else 1663 return 0; 1664 1665 /* data is bw wide so the start is half the width */ 1666 data_start = chandef->center_freq1 - bw / 2; 1667 /* control is 20Mhz width */ 1668 control_start = chandef->chan->center_freq - 10; 1669 1670 return (control_start - data_start) / 80; 1671 } 1672 1673 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1674 struct ieee80211_vif *vif) 1675 { 1676 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1677 int ret; 1678 1679 lockdep_assert_held(&mvm->mutex); 1680 1681 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1682 if (ret) { 1683 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1684 return ret; 1685 } 1686 1687 /* Only queue for this station is the mcast queue, 1688 * which shouldn't be in TFD mask anyway 1689 */ 1690 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1691 vif->type, 1692 IWL_STA_MULTICAST); 1693 } 1694 1695 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1696 struct wiphy_work *wk) 1697 { 1698 struct iwl_mvm_vif *mvmvif = 1699 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1700 struct iwl_mvm *mvm = mvmvif->mvm; 1701 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 1702 1703 guard(mvm)(mvm); 1704 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1705 } 1706 1707 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1708 { 1709 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1710 mlo_int_scan_wk.work); 1711 struct ieee80211_vif *vif = 1712 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1713 1714 guard(mvm)(mvmvif->mvm); 1715 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1716 } 1717 1718 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1719 { 1720 struct iwl_mvm_vif *mvmvif = 1721 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1722 struct iwl_mvm *mvm = mvmvif->mvm; 1723 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 1724 1725 guard(mvm)(mvm); 1726 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1727 } 1728 1729 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1730 { 1731 lockdep_assert_held(&mvm->mutex); 1732 1733 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1734 return; 1735 1736 INIT_DELAYED_WORK(&mvmvif->csa_work, 1737 iwl_mvm_channel_switch_disconnect_wk); 1738 1739 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1740 iwl_mvm_prevent_esr_done_wk); 1741 1742 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1743 iwl_mvm_mlo_int_scan_wk); 1744 1745 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1746 iwl_mvm_unblock_esr_tpt); 1747 } 1748 1749 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1750 struct ieee80211_vif *vif) 1751 { 1752 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1753 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1754 int ret; 1755 int i; 1756 1757 mutex_lock(&mvm->mutex); 1758 1759 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1760 1761 mvmvif->mvm = mvm; 1762 1763 /* the first link always points to the default one */ 1764 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1765 mvmvif->deflink.active = 0; 1766 mvmvif->link[0] = &mvmvif->deflink; 1767 1768 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1769 if (ret) 1770 goto out; 1771 1772 /* 1773 * Not much to do here. The stack will not allow interface 1774 * types or combinations that we didn't advertise, so we 1775 * don't really have to check the types. 1776 */ 1777 1778 /* make sure that beacon statistics don't go backwards with FW reset */ 1779 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1780 for_each_mvm_vif_valid_link(mvmvif, i) 1781 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1782 mvmvif->link[i]->beacon_stats.num_beacons; 1783 1784 /* Allocate resources for the MAC context, and add it to the fw */ 1785 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1786 if (ret) 1787 goto out; 1788 1789 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1790 1791 /* Currently not much to do for NAN */ 1792 if (vif->type == NL80211_IFTYPE_NAN) { 1793 ret = 0; 1794 goto out; 1795 } 1796 1797 /* 1798 * The AP binding flow can be done only after the beacon 1799 * template is configured (which happens only in the mac80211 1800 * start_ap() flow), and adding the broadcast station can happen 1801 * only after the binding. 1802 * In addition, since modifying the MAC before adding a bcast 1803 * station is not allowed by the FW, delay the adding of MAC context to 1804 * the point where we can also add the bcast station. 1805 * In short: there's not much we can do at this point, other than 1806 * allocating resources :) 1807 */ 1808 if (vif->type == NL80211_IFTYPE_AP || 1809 vif->type == NL80211_IFTYPE_ADHOC) { 1810 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1811 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1812 ret = 0; 1813 goto out; 1814 } 1815 1816 mvmvif->features |= hw->netdev_features; 1817 1818 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1819 if (ret) 1820 goto out_unlock; 1821 1822 ret = iwl_mvm_power_update_mac(mvm); 1823 if (ret) 1824 goto out_remove_mac; 1825 1826 /* beacon filtering */ 1827 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1828 if (ret) 1829 goto out_remove_mac; 1830 1831 if (!mvm->bf_allowed_vif && 1832 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1833 mvm->bf_allowed_vif = mvmvif; 1834 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1835 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1836 } 1837 1838 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1839 mvm->p2p_device_vif = vif; 1840 1841 iwl_mvm_tcm_add_vif(mvm, vif); 1842 1843 if (vif->type == NL80211_IFTYPE_MONITOR) { 1844 mvm->monitor_on = true; 1845 mvm->monitor_p80 = 1846 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1847 } 1848 1849 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1850 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1851 1852 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1853 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1854 !mvm->csme_vif && mvm->mei_registered) { 1855 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1856 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1857 mvm->csme_vif = vif; 1858 } 1859 1860 out: 1861 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1862 vif->type == NL80211_IFTYPE_ADHOC)) 1863 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1864 1865 goto out_unlock; 1866 1867 out_remove_mac: 1868 mvmvif->deflink.phy_ctxt = NULL; 1869 iwl_mvm_mac_ctxt_remove(mvm, vif); 1870 out_unlock: 1871 mutex_unlock(&mvm->mutex); 1872 1873 return ret; 1874 } 1875 1876 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1877 struct ieee80211_vif *vif) 1878 { 1879 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1880 1881 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1882 /* 1883 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1884 * We assume here that all the packets sent to the OFFCHANNEL 1885 * queue are sent in ROC session. 1886 */ 1887 flush_work(&mvm->roc_done_wk); 1888 } 1889 1890 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1891 &mvmvif->prevent_esr_done_wk); 1892 1893 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1894 &mvmvif->mlo_int_scan_wk); 1895 1896 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1897 1898 cancel_delayed_work_sync(&mvmvif->csa_work); 1899 } 1900 1901 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1902 struct ieee80211_vif *vif) 1903 { 1904 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1905 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1906 struct iwl_probe_resp_data *probe_data; 1907 1908 iwl_mvm_prepare_mac_removal(mvm, vif); 1909 1910 if (!(vif->type == NL80211_IFTYPE_AP || 1911 vif->type == NL80211_IFTYPE_ADHOC)) 1912 iwl_mvm_tcm_rm_vif(mvm, vif); 1913 1914 mutex_lock(&mvm->mutex); 1915 1916 if (vif == mvm->csme_vif) { 1917 iwl_mei_set_netdev(NULL); 1918 mvm->csme_vif = NULL; 1919 } 1920 1921 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1922 lockdep_is_held(&mvm->mutex)); 1923 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1924 if (probe_data) 1925 kfree_rcu(probe_data, rcu_head); 1926 1927 if (mvm->bf_allowed_vif == mvmvif) { 1928 mvm->bf_allowed_vif = NULL; 1929 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1930 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1931 } 1932 1933 if (vif->bss_conf.ftm_responder) 1934 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1935 1936 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1937 1938 /* 1939 * For AP/GO interface, the tear down of the resources allocated to the 1940 * interface is be handled as part of the stop_ap flow. 1941 */ 1942 if (vif->type == NL80211_IFTYPE_AP || 1943 vif->type == NL80211_IFTYPE_ADHOC) { 1944 #ifdef CONFIG_NL80211_TESTMODE 1945 if (vif == mvm->noa_vif) { 1946 mvm->noa_vif = NULL; 1947 mvm->noa_duration = 0; 1948 } 1949 #endif 1950 goto out; 1951 } 1952 1953 iwl_mvm_power_update_mac(mvm); 1954 1955 /* Before the interface removal, mac80211 would cancel the ROC, and the 1956 * ROC worker would be scheduled if needed. The worker would be flushed 1957 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1958 * binding etc. so nothing needs to be done here. 1959 */ 1960 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1961 if (mvmvif->deflink.phy_ctxt) { 1962 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1963 mvmvif->deflink.phy_ctxt = NULL; 1964 } 1965 mvm->p2p_device_vif = NULL; 1966 } 1967 1968 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1969 iwl_mvm_mac_ctxt_remove(mvm, vif); 1970 1971 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1972 1973 if (vif->type == NL80211_IFTYPE_MONITOR) 1974 mvm->monitor_on = false; 1975 1976 out: 1977 if (vif->type == NL80211_IFTYPE_AP || 1978 vif->type == NL80211_IFTYPE_ADHOC) { 1979 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1980 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1981 } 1982 1983 mutex_unlock(&mvm->mutex); 1984 } 1985 1986 struct iwl_mvm_mc_iter_data { 1987 struct iwl_mvm *mvm; 1988 int port_id; 1989 }; 1990 1991 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1992 struct ieee80211_vif *vif) 1993 { 1994 struct iwl_mvm_mc_iter_data *data = _data; 1995 struct iwl_mvm *mvm = data->mvm; 1996 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 1997 struct iwl_host_cmd hcmd = { 1998 .id = MCAST_FILTER_CMD, 1999 .flags = CMD_ASYNC, 2000 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2001 }; 2002 int ret, len; 2003 2004 /* if we don't have free ports, mcast frames will be dropped */ 2005 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2006 return; 2007 2008 if (vif->type != NL80211_IFTYPE_STATION || 2009 !vif->cfg.assoc) 2010 return; 2011 2012 cmd->port_id = data->port_id++; 2013 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2014 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2015 2016 hcmd.len[0] = len; 2017 hcmd.data[0] = cmd; 2018 2019 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2020 if (ret) 2021 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2022 } 2023 2024 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2025 { 2026 struct iwl_mvm_mc_iter_data iter_data = { 2027 .mvm = mvm, 2028 }; 2029 int ret; 2030 2031 lockdep_assert_held(&mvm->mutex); 2032 2033 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2034 return; 2035 2036 ieee80211_iterate_active_interfaces_atomic( 2037 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2038 iwl_mvm_mc_iface_iterator, &iter_data); 2039 2040 /* 2041 * Send a (synchronous) ech command so that we wait for the 2042 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2043 * the interface iterator. Otherwise, we might get here over 2044 * and over again (by userspace just sending a lot of these) 2045 * and the CPU can send them faster than the firmware can 2046 * process them. 2047 * Note that the CPU is still faster - but with this we'll 2048 * actually send fewer commands overall because the CPU will 2049 * not schedule the work in mac80211 as frequently if it's 2050 * still running when rescheduled (possibly multiple times). 2051 */ 2052 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2053 if (ret) 2054 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2055 } 2056 2057 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2058 struct netdev_hw_addr_list *mc_list) 2059 { 2060 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2061 struct iwl_mcast_filter_cmd *cmd; 2062 struct netdev_hw_addr *addr; 2063 int addr_count; 2064 bool pass_all; 2065 int len; 2066 2067 addr_count = netdev_hw_addr_list_count(mc_list); 2068 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2069 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2070 if (pass_all) 2071 addr_count = 0; 2072 2073 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2074 cmd = kzalloc(len, GFP_ATOMIC); 2075 if (!cmd) 2076 return 0; 2077 2078 if (pass_all) { 2079 cmd->pass_all = 1; 2080 return (u64)(unsigned long)cmd; 2081 } 2082 2083 netdev_hw_addr_list_for_each(addr, mc_list) { 2084 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2085 cmd->count, addr->addr); 2086 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2087 addr->addr, ETH_ALEN); 2088 cmd->count++; 2089 } 2090 2091 return (u64)(unsigned long)cmd; 2092 } 2093 2094 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2095 unsigned int changed_flags, 2096 unsigned int *total_flags, u64 multicast) 2097 { 2098 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2099 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2100 2101 guard(mvm)(mvm); 2102 2103 /* replace previous configuration */ 2104 kfree(mvm->mcast_filter_cmd); 2105 mvm->mcast_filter_cmd = cmd; 2106 2107 if (!cmd) 2108 goto out; 2109 2110 if (changed_flags & FIF_ALLMULTI) 2111 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2112 2113 if (cmd->pass_all) 2114 cmd->count = 0; 2115 2116 iwl_mvm_recalc_multicast(mvm); 2117 out: 2118 *total_flags = 0; 2119 } 2120 2121 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2122 struct ieee80211_vif *vif, 2123 unsigned int filter_flags, 2124 unsigned int changed_flags) 2125 { 2126 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2127 2128 /* We support only filter for probe requests */ 2129 if (!(changed_flags & FIF_PROBE_REQ)) 2130 return; 2131 2132 /* Supported only for p2p client interfaces */ 2133 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2134 !vif->p2p) 2135 return; 2136 2137 guard(mvm)(mvm); 2138 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2139 } 2140 2141 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2142 { 2143 struct iwl_mu_group_mgmt_cmd cmd = {}; 2144 2145 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2146 WLAN_MEMBERSHIP_LEN); 2147 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2148 WLAN_USER_POSITION_LEN); 2149 2150 return iwl_mvm_send_cmd_pdu(mvm, 2151 WIDE_ID(DATA_PATH_GROUP, 2152 UPDATE_MU_GROUPS_CMD), 2153 0, sizeof(cmd), &cmd); 2154 } 2155 2156 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2157 struct ieee80211_vif *vif) 2158 { 2159 if (vif->bss_conf.mu_mimo_owner) { 2160 struct iwl_mu_group_mgmt_notif *notif = _data; 2161 2162 /* 2163 * MU-MIMO Group Id action frame is little endian. We treat 2164 * the data received from firmware as if it came from the 2165 * action frame, so no conversion is needed. 2166 */ 2167 ieee80211_update_mu_groups(vif, 0, 2168 (u8 *)¬if->membership_status, 2169 (u8 *)¬if->user_position); 2170 } 2171 } 2172 2173 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2174 struct iwl_rx_cmd_buffer *rxb) 2175 { 2176 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2177 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2178 2179 ieee80211_iterate_active_interfaces_atomic( 2180 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2181 iwl_mvm_mu_mimo_iface_iterator, notif); 2182 } 2183 2184 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2185 { 2186 u8 byte_num = ppe_pos_bit / 8; 2187 u8 bit_num = ppe_pos_bit % 8; 2188 u8 residue_bits; 2189 u8 res; 2190 2191 if (bit_num <= 5) 2192 return (ppe[byte_num] >> bit_num) & 2193 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2194 2195 /* 2196 * If bit_num > 5, we have to combine bits with next byte. 2197 * Calculate how many bits we need to take from current byte (called 2198 * here "residue_bits"), and add them to bits from next byte. 2199 */ 2200 2201 residue_bits = 8 - bit_num; 2202 2203 res = (ppe[byte_num + 1] & 2204 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2205 residue_bits; 2206 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2207 2208 return res; 2209 } 2210 2211 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2212 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2213 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2214 bool inheritance) 2215 { 2216 int i; 2217 2218 /* 2219 * FW currently supports only nss == MAX_HE_SUPP_NSS 2220 * 2221 * If nss > MAX: we can ignore values we don't support 2222 * If nss < MAX: we can set zeros in other streams 2223 */ 2224 if (nss > MAX_HE_SUPP_NSS) { 2225 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2226 MAX_HE_SUPP_NSS); 2227 nss = MAX_HE_SUPP_NSS; 2228 } 2229 2230 for (i = 0; i < nss; i++) { 2231 u8 ru_index_tmp = ru_index_bitmap << 1; 2232 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2233 u8 bw; 2234 2235 for (bw = 0; 2236 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2237 bw++) { 2238 ru_index_tmp >>= 1; 2239 2240 /* 2241 * According to the 11be spec, if for a specific BW the PPE Thresholds 2242 * isn't present - it should inherit the thresholds from the last 2243 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2244 * this inheritance - continue in this case 2245 */ 2246 if (!(ru_index_tmp & 1)) { 2247 if (inheritance) 2248 goto set_thresholds; 2249 else 2250 continue; 2251 } 2252 2253 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2254 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2255 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2256 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2257 2258 set_thresholds: 2259 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2260 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2261 } 2262 } 2263 } 2264 2265 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2266 struct ieee80211_link_sta *link_sta, 2267 struct iwl_he_pkt_ext_v2 *pkt_ext, 2268 bool inheritance) 2269 { 2270 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2271 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2272 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2273 u8 ru_index_bitmap = 2274 u8_get_bits(*ppe, 2275 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2276 /* Starting after PPE header */ 2277 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2278 2279 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2280 inheritance); 2281 } 2282 2283 static int 2284 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2285 u8 nominal_padding) 2286 { 2287 int low_th = -1; 2288 int high_th = -1; 2289 int i; 2290 2291 /* all the macros are the same for EHT and HE */ 2292 switch (nominal_padding) { 2293 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2294 low_th = IWL_HE_PKT_EXT_NONE; 2295 high_th = IWL_HE_PKT_EXT_NONE; 2296 break; 2297 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2298 low_th = IWL_HE_PKT_EXT_BPSK; 2299 high_th = IWL_HE_PKT_EXT_NONE; 2300 break; 2301 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2302 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2303 low_th = IWL_HE_PKT_EXT_NONE; 2304 high_th = IWL_HE_PKT_EXT_BPSK; 2305 break; 2306 } 2307 2308 if (low_th < 0 || high_th < 0) 2309 return -EINVAL; 2310 2311 /* Set the PPE thresholds accordingly */ 2312 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2313 u8 bw; 2314 2315 for (bw = 0; 2316 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2317 bw++) { 2318 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2319 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2320 } 2321 } 2322 2323 return 0; 2324 } 2325 2326 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2327 u8 nominal_padding) 2328 { 2329 int i; 2330 2331 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2332 u8 bw; 2333 2334 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2335 bw++) { 2336 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2337 2338 if (nominal_padding > 2339 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2340 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2341 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2342 else if (nominal_padding == 2343 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2344 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2345 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2346 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2347 } 2348 } 2349 } 2350 2351 /* Set the pkt_ext field according to PPE Thresholds element */ 2352 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2353 struct ieee80211_link_sta *link_sta, 2354 struct iwl_he_pkt_ext_v2 *pkt_ext) 2355 { 2356 u8 nominal_padding; 2357 int i, ret = 0; 2358 2359 if (WARN_ON(!link_sta)) 2360 return -EINVAL; 2361 2362 /* Initialize the PPE thresholds to "None" (7), as described in Table 2363 * 9-262ac of 80211.ax/D3.0. 2364 */ 2365 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2366 sizeof(struct iwl_he_pkt_ext_v2)); 2367 2368 if (link_sta->eht_cap.has_eht) { 2369 nominal_padding = 2370 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2371 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2372 2373 /* If PPE Thresholds exists, parse them into a FW-familiar 2374 * format. 2375 */ 2376 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2377 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2378 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2379 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2380 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2381 u8 ru_index_bitmap = 2382 u16_get_bits(*ppe, 2383 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2384 /* Starting after PPE header */ 2385 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2386 2387 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2388 ppe, ppe_pos_bit, true); 2389 /* EHT PPE Thresholds doesn't exist - set the API according to 2390 * HE PPE Tresholds 2391 */ 2392 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2393 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2394 /* Even though HE Capabilities IE doesn't contain PPE 2395 * Thresholds for BW 320Mhz, thresholds for this BW will 2396 * be filled in with the same values as 160Mhz, due to 2397 * the inheritance, as required. 2398 */ 2399 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2400 true); 2401 2402 /* According to the requirements, for MCSs 12-13 the 2403 * maximum value between HE PPE Threshold and Common 2404 * Nominal Packet Padding needs to be taken 2405 */ 2406 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2407 2408 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2409 * take the Thresholds from Common Nominal Packet Padding field 2410 */ 2411 } else { 2412 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2413 nominal_padding); 2414 } 2415 } else if (link_sta->he_cap.has_he) { 2416 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2417 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2418 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2419 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2420 false); 2421 /* PPE Thresholds doesn't exist - set the API PPE values 2422 * according to Common Nominal Packet Padding field. 2423 */ 2424 } else { 2425 nominal_padding = 2426 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2427 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2428 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2429 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2430 nominal_padding); 2431 } 2432 } 2433 2434 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2435 int bw; 2436 2437 for (bw = 0; 2438 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2439 bw++) { 2440 u8 *qam_th = 2441 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2442 2443 IWL_DEBUG_HT(mvm, 2444 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2445 i, bw, qam_th[0], qam_th[1]); 2446 } 2447 } 2448 return ret; 2449 } 2450 2451 /* 2452 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2453 * is enabled or not 2454 */ 2455 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2456 const struct iwl_mvm_vif_link_info *link_info, 2457 struct iwl_he_backoff_conf *trig_based_txf) 2458 { 2459 int i; 2460 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2461 bool mu_edca_enabled = true; 2462 2463 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2464 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2465 &link_info->queue_params[i].mu_edca_param_rec; 2466 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2467 2468 if (!link_info->queue_params[i].mu_edca) { 2469 mu_edca_enabled = false; 2470 break; 2471 } 2472 2473 trig_based_txf[ac].cwmin = 2474 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2475 trig_based_txf[ac].cwmax = 2476 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2477 trig_based_txf[ac].aifsn = 2478 cpu_to_le16(mu_edca->aifsn & 0xf); 2479 trig_based_txf[ac].mu_time = 2480 cpu_to_le16(mu_edca->mu_edca_timer); 2481 } 2482 2483 return mu_edca_enabled; 2484 } 2485 2486 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2487 { 2488 const struct ieee80211_supported_band *sband; 2489 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2490 2491 /* This capability is the same for all bands, 2492 * so take it from one of them. 2493 */ 2494 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2495 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2496 2497 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2498 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2499 } 2500 2501 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2502 struct ieee80211_link_sta *link_sta) 2503 { 2504 u8 *mac_cap_info = 2505 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2506 __le32 htc_flags = 0; 2507 2508 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2509 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2510 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2511 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2512 u8 link_adap = 2513 ((mac_cap_info[2] & 2514 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2515 (mac_cap_info[1] & 2516 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2517 2518 if (link_adap == 2) 2519 htc_flags |= 2520 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2521 else if (link_adap == 3) 2522 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2523 } 2524 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2525 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2526 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2527 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2528 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2529 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2530 2531 return htc_flags; 2532 } 2533 2534 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2535 struct ieee80211_vif *vif, u8 sta_id) 2536 { 2537 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2538 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2539 .sta_id = sta_id, 2540 .tid_limit = IWL_MAX_TID_COUNT, 2541 .bss_color = vif->bss_conf.he_bss_color.color, 2542 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2543 .frame_time_rts_th = 2544 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2545 }; 2546 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2547 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2548 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2549 int size; 2550 struct ieee80211_sta *sta; 2551 u32 flags; 2552 int i; 2553 void *cmd; 2554 2555 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2556 ver = 1; 2557 2558 switch (ver) { 2559 case 1: 2560 /* same layout as v2 except some data at the end */ 2561 cmd = &sta_ctxt_cmd_v2; 2562 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2563 break; 2564 case 2: 2565 cmd = &sta_ctxt_cmd_v2; 2566 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2567 break; 2568 case 3: 2569 cmd = &sta_ctxt_cmd; 2570 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2571 break; 2572 default: 2573 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2574 return; 2575 } 2576 2577 rcu_read_lock(); 2578 2579 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2580 if (IS_ERR_OR_NULL(sta)) { 2581 rcu_read_unlock(); 2582 WARN(1, "Can't find STA to configure HE\n"); 2583 return; 2584 } 2585 2586 if (!sta->deflink.he_cap.has_he) { 2587 rcu_read_unlock(); 2588 return; 2589 } 2590 2591 flags = 0; 2592 2593 /* Block 26-tone RU OFDMA transmissions */ 2594 if (mvmvif->deflink.he_ru_2mhz_block) 2595 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2596 2597 /* HTC flags */ 2598 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2599 2600 /* PPE Thresholds */ 2601 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2602 flags |= STA_CTXT_HE_PACKET_EXT; 2603 2604 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2605 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2606 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2607 2608 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2609 IEEE80211_HE_MAC_CAP2_ACK_EN) 2610 flags |= STA_CTXT_HE_ACK_ENABLED; 2611 2612 rcu_read_unlock(); 2613 2614 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2615 &sta_ctxt_cmd.trig_based_txf[0])) 2616 flags |= STA_CTXT_HE_MU_EDCA_CW; 2617 2618 if (vif->bss_conf.uora_exists) { 2619 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2620 2621 sta_ctxt_cmd.rand_alloc_ecwmin = 2622 vif->bss_conf.uora_ocw_range & 0x7; 2623 sta_ctxt_cmd.rand_alloc_ecwmax = 2624 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2625 } 2626 2627 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2628 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2629 2630 if (vif->bss_conf.nontransmitted) { 2631 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2632 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2633 vif->bss_conf.transmitter_bssid); 2634 sta_ctxt_cmd.max_bssid_indicator = 2635 vif->bss_conf.bssid_indicator; 2636 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2637 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2638 sta_ctxt_cmd.profile_periodicity = 2639 vif->bss_conf.profile_periodicity; 2640 } 2641 2642 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2643 2644 if (ver < 3) { 2645 /* fields before pkt_ext */ 2646 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2647 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2648 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2649 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2650 2651 /* pkt_ext */ 2652 for (i = 0; 2653 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2654 i++) { 2655 u8 bw; 2656 2657 for (bw = 0; 2658 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2659 bw++) { 2660 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2661 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2662 2663 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2664 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2665 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2666 } 2667 } 2668 2669 /* fields after pkt_ext */ 2670 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2671 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2672 sizeof(sta_ctxt_cmd_v2) - 2673 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2674 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2675 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2676 (u8 *)&sta_ctxt_cmd + 2677 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2678 sizeof(sta_ctxt_cmd) - 2679 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2680 sta_ctxt_cmd_v2.reserved3 = 0; 2681 } 2682 2683 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2684 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2685 } 2686 2687 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2688 u32 duration_override, unsigned int link_id) 2689 { 2690 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2691 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2692 2693 if (duration_override > duration) 2694 duration = duration_override; 2695 2696 /* Try really hard to protect the session and hear a beacon 2697 * The new session protection command allows us to protect the 2698 * session for a much longer time since the firmware will internally 2699 * create two events: a 300TU one with a very high priority that 2700 * won't be fragmented which should be enough for 99% of the cases, 2701 * and another one (which we configure here to be 900TU long) which 2702 * will have a slightly lower priority, but more importantly, can be 2703 * fragmented so that it'll allow other activities to run. 2704 */ 2705 if (fw_has_capa(&mvm->fw->ucode_capa, 2706 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2707 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2708 min_duration, false, 2709 link_id); 2710 else 2711 iwl_mvm_protect_session(mvm, vif, duration, 2712 min_duration, 500, false); 2713 } 2714 2715 /* Handle association common part to MLD and non-MLD modes */ 2716 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2717 struct ieee80211_vif *vif, 2718 u64 changes) 2719 { 2720 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2721 int ret; 2722 int link_id; 2723 2724 /* The firmware tracks the MU-MIMO group on its own. 2725 * However, on HW restart we should restore this data. 2726 */ 2727 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2728 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2729 ret = iwl_mvm_update_mu_groups(mvm, vif); 2730 if (ret) 2731 IWL_ERR(mvm, 2732 "failed to update VHT MU_MIMO groups\n"); 2733 } 2734 2735 iwl_mvm_recalc_multicast(mvm); 2736 2737 /* reset rssi values */ 2738 for_each_mvm_vif_valid_link(mvmvif, link_id) 2739 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2740 2741 iwl_mvm_bt_coex_vif_change(mvm); 2742 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2743 IEEE80211_SMPS_AUTOMATIC); 2744 if (fw_has_capa(&mvm->fw->ucode_capa, 2745 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2746 iwl_mvm_config_scan(mvm); 2747 } 2748 2749 /* Execute the common part for MLD and non-MLD modes */ 2750 void 2751 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2752 struct ieee80211_vif *vif, 2753 struct ieee80211_bss_conf *link_conf, 2754 u64 changes) 2755 { 2756 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2757 int ret; 2758 2759 if (changes & BSS_CHANGED_BEACON_INFO) { 2760 /* We received a beacon from the associated AP so 2761 * remove the session protection. 2762 */ 2763 iwl_mvm_stop_session_protection(mvm, vif); 2764 2765 iwl_mvm_sf_update(mvm, vif, false); 2766 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2767 } 2768 2769 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2770 /* Send power command on every beacon change, 2771 * because we may have not enabled beacon abort yet. 2772 */ 2773 BSS_CHANGED_BEACON_INFO)) { 2774 ret = iwl_mvm_power_update_mac(mvm); 2775 if (ret) 2776 IWL_ERR(mvm, "failed to update power mode\n"); 2777 } 2778 2779 if (changes & BSS_CHANGED_CQM) { 2780 struct iwl_mvm_vif_link_info *link_info = 2781 mvmvif->link[link_conf->link_id]; 2782 2783 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2784 if (link_info) 2785 link_info->bf_data.last_cqm_event = 0; 2786 2787 if (mvmvif->bf_enabled) { 2788 /* FIXME: need to update per link when FW API will 2789 * support it 2790 */ 2791 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2792 if (ret) 2793 IWL_ERR(mvm, 2794 "failed to update CQM thresholds\n"); 2795 } 2796 } 2797 2798 if (changes & BSS_CHANGED_BANDWIDTH) 2799 iwl_mvm_update_link_smps(vif, link_conf); 2800 2801 if (changes & BSS_CHANGED_TPE) { 2802 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2803 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2804 link_conf, 2805 false); 2806 } 2807 } 2808 2809 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2810 struct ieee80211_vif *vif, 2811 struct ieee80211_bss_conf *bss_conf, 2812 u64 changes) 2813 { 2814 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2815 int ret; 2816 int i; 2817 2818 /* 2819 * Re-calculate the tsf id, as the leader-follower relations depend 2820 * on the beacon interval, which was not known when the station 2821 * interface was added. 2822 */ 2823 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2824 if ((vif->bss_conf.he_support && 2825 !iwlwifi_mod_params.disable_11ax)) 2826 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2827 2828 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2829 } 2830 2831 /* Update MU EDCA params */ 2832 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2833 vif->cfg.assoc && 2834 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2835 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2836 2837 /* 2838 * If we're not associated yet, take the (new) BSSID before associating 2839 * so the firmware knows. If we're already associated, then use the old 2840 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2841 * branch for disassociation below. 2842 */ 2843 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2844 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2845 2846 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2847 if (ret) 2848 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2849 2850 /* after sending it once, adopt mac80211 data */ 2851 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2852 mvmvif->associated = vif->cfg.assoc; 2853 2854 if (changes & BSS_CHANGED_ASSOC) { 2855 if (vif->cfg.assoc) { 2856 /* clear statistics to get clean beacon counter */ 2857 iwl_mvm_request_statistics(mvm, true); 2858 for_each_mvm_vif_valid_link(mvmvif, i) 2859 memset(&mvmvif->link[i]->beacon_stats, 0, 2860 sizeof(mvmvif->link[i]->beacon_stats)); 2861 2862 /* add quota for this interface */ 2863 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2864 if (ret) { 2865 IWL_ERR(mvm, "failed to update quotas\n"); 2866 return; 2867 } 2868 2869 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2870 &mvm->status) && 2871 !fw_has_capa(&mvm->fw->ucode_capa, 2872 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2873 /* 2874 * If we're restarting then the firmware will 2875 * obviously have lost synchronisation with 2876 * the AP. It will attempt to synchronise by 2877 * itself, but we can make it more reliable by 2878 * scheduling a session protection time event. 2879 * 2880 * The firmware needs to receive a beacon to 2881 * catch up with synchronisation, use 110% of 2882 * the beacon interval. 2883 * 2884 * Set a large maximum delay to allow for more 2885 * than a single interface. 2886 * 2887 * For new firmware versions, rely on the 2888 * firmware. This is relevant for DCM scenarios 2889 * only anyway. 2890 */ 2891 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2892 iwl_mvm_protect_session(mvm, vif, dur, dur, 2893 5 * dur, false); 2894 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2895 &mvm->status) && 2896 !vif->bss_conf.dtim_period) { 2897 /* 2898 * If we're not restarting and still haven't 2899 * heard a beacon (dtim period unknown) then 2900 * make sure we still have enough minimum time 2901 * remaining in the time event, since the auth 2902 * might actually have taken quite a while 2903 * (especially for SAE) and so the remaining 2904 * time could be small without us having heard 2905 * a beacon yet. 2906 */ 2907 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2908 } 2909 2910 iwl_mvm_sf_update(mvm, vif, false); 2911 iwl_mvm_power_vif_assoc(mvm, vif); 2912 if (vif->p2p) { 2913 iwl_mvm_update_smps(mvm, vif, 2914 IWL_MVM_SMPS_REQ_PROT, 2915 IEEE80211_SMPS_DYNAMIC, 0); 2916 } 2917 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2918 iwl_mvm_mei_host_disassociated(mvm); 2919 /* 2920 * If update fails - SF might be running in associated 2921 * mode while disassociated - which is forbidden. 2922 */ 2923 ret = iwl_mvm_sf_update(mvm, vif, false); 2924 WARN_ONCE(ret && 2925 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2926 &mvm->status), 2927 "Failed to update SF upon disassociation\n"); 2928 2929 /* 2930 * If we get an assert during the connection (after the 2931 * station has been added, but before the vif is set 2932 * to associated), mac80211 will re-add the station and 2933 * then configure the vif. Since the vif is not 2934 * associated, we would remove the station here and 2935 * this would fail the recovery. 2936 */ 2937 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2938 &mvm->status)) { 2939 /* first remove remaining keys */ 2940 iwl_mvm_sec_key_remove_ap(mvm, vif, 2941 &mvmvif->deflink, 0); 2942 2943 /* 2944 * Remove AP station now that 2945 * the MAC is unassoc 2946 */ 2947 ret = iwl_mvm_rm_sta_id(mvm, vif, 2948 mvmvif->deflink.ap_sta_id); 2949 if (ret) 2950 IWL_ERR(mvm, 2951 "failed to remove AP station\n"); 2952 2953 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2954 } 2955 2956 /* remove quota for this interface */ 2957 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2958 if (ret) 2959 IWL_ERR(mvm, "failed to update quotas\n"); 2960 2961 /* this will take the cleared BSSID from bss_conf */ 2962 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2963 if (ret) 2964 IWL_ERR(mvm, 2965 "failed to update MAC %pM (clear after unassoc)\n", 2966 vif->addr); 2967 } 2968 2969 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2970 } 2971 2972 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2973 changes); 2974 } 2975 2976 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 2977 struct ieee80211_vif *vif, 2978 int *ret) 2979 { 2980 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2981 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2982 int i; 2983 2984 lockdep_assert_held(&mvm->mutex); 2985 2986 mvmvif->ap_assoc_sta_count = 0; 2987 2988 /* must be set before quota calculations */ 2989 mvmvif->ap_ibss_active = true; 2990 2991 /* send all the early keys to the device now */ 2992 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 2993 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 2994 2995 if (!key) 2996 continue; 2997 2998 mvmvif->ap_early_keys[i] = NULL; 2999 3000 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3001 if (*ret) 3002 return true; 3003 } 3004 3005 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3006 iwl_mvm_vif_set_low_latency(mvmvif, true, 3007 LOW_LATENCY_VIF_TYPE); 3008 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3009 } 3010 3011 /* power updated needs to be done before quotas */ 3012 iwl_mvm_power_update_mac(mvm); 3013 3014 return false; 3015 } 3016 3017 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3018 struct ieee80211_vif *vif, 3019 struct ieee80211_bss_conf *link_conf) 3020 { 3021 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3022 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3023 int ret; 3024 3025 mutex_lock(&mvm->mutex); 3026 3027 /* 3028 * Re-calculate the tsf id, as the leader-follower relations depend on 3029 * the beacon interval, which was not known when the AP interface 3030 * was added. 3031 */ 3032 if (vif->type == NL80211_IFTYPE_AP) 3033 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3034 3035 /* For older devices need to send beacon template before adding mac 3036 * context. For the newer, the beacon is a resource that belongs to a 3037 * MAC, so need to send beacon template after adding the mac. 3038 */ 3039 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3040 /* Add the mac context */ 3041 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3042 if (ret) 3043 goto out_unlock; 3044 3045 /* Send the beacon template */ 3046 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3047 if (ret) 3048 goto out_unlock; 3049 } else { 3050 /* Send the beacon template */ 3051 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3052 if (ret) 3053 goto out_unlock; 3054 3055 /* Add the mac context */ 3056 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3057 if (ret) 3058 goto out_unlock; 3059 } 3060 3061 /* Perform the binding */ 3062 ret = iwl_mvm_binding_add_vif(mvm, vif); 3063 if (ret) 3064 goto out_remove; 3065 3066 /* 3067 * This is not very nice, but the simplest: 3068 * For older FWs adding the mcast sta before the bcast station may 3069 * cause assert 0x2b00. 3070 * This is fixed in later FW so make the order of removal depend on 3071 * the TLV 3072 */ 3073 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3074 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3075 if (ret) 3076 goto out_unbind; 3077 /* 3078 * Send the bcast station. At this stage the TBTT and DTIM time 3079 * events are added and applied to the scheduler 3080 */ 3081 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3082 if (ret) { 3083 iwl_mvm_rm_mcast_sta(mvm, vif); 3084 goto out_unbind; 3085 } 3086 } else { 3087 /* 3088 * Send the bcast station. At this stage the TBTT and DTIM time 3089 * events are added and applied to the scheduler 3090 */ 3091 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3092 if (ret) 3093 goto out_unbind; 3094 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3095 if (ret) { 3096 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3097 goto out_unbind; 3098 } 3099 } 3100 3101 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3102 goto out_failed; 3103 3104 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3105 if (ret) 3106 goto out_failed; 3107 3108 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3109 if (vif->p2p && mvm->p2p_device_vif) 3110 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3111 3112 iwl_mvm_bt_coex_vif_change(mvm); 3113 3114 /* we don't support TDLS during DCM */ 3115 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3116 iwl_mvm_teardown_tdls_peers(mvm); 3117 3118 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3119 3120 goto out_unlock; 3121 3122 out_failed: 3123 iwl_mvm_power_update_mac(mvm); 3124 mvmvif->ap_ibss_active = false; 3125 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3126 iwl_mvm_rm_mcast_sta(mvm, vif); 3127 out_unbind: 3128 iwl_mvm_binding_remove_vif(mvm, vif); 3129 out_remove: 3130 iwl_mvm_mac_ctxt_remove(mvm, vif); 3131 out_unlock: 3132 mutex_unlock(&mvm->mutex); 3133 return ret; 3134 } 3135 3136 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3137 struct ieee80211_vif *vif, 3138 struct ieee80211_bss_conf *link_conf) 3139 { 3140 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3141 } 3142 3143 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3144 struct ieee80211_vif *vif) 3145 { 3146 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3147 } 3148 3149 /* Common part for MLD and non-MLD ops */ 3150 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3151 struct ieee80211_vif *vif) 3152 { 3153 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3154 3155 lockdep_assert_held(&mvm->mutex); 3156 3157 iwl_mvm_prepare_mac_removal(mvm, vif); 3158 3159 /* Handle AP stop while in CSA */ 3160 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3161 iwl_mvm_remove_time_event(mvm, mvmvif, 3162 &mvmvif->time_event_data); 3163 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3164 mvmvif->csa_countdown = false; 3165 } 3166 3167 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3168 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3169 mvm->csa_tx_block_bcn_timeout = 0; 3170 } 3171 3172 mvmvif->ap_ibss_active = false; 3173 mvm->ap_last_beacon_gp2 = 0; 3174 3175 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3176 iwl_mvm_vif_set_low_latency(mvmvif, false, 3177 LOW_LATENCY_VIF_TYPE); 3178 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3179 } 3180 3181 iwl_mvm_bt_coex_vif_change(mvm); 3182 } 3183 3184 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3185 struct ieee80211_vif *vif, 3186 struct ieee80211_bss_conf *link_conf) 3187 { 3188 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3189 3190 guard(mvm)(mvm); 3191 3192 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3193 3194 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3195 if (vif->p2p && mvm->p2p_device_vif) 3196 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3197 3198 iwl_mvm_update_quotas(mvm, false, NULL); 3199 3200 iwl_mvm_ftm_responder_clear(mvm, vif); 3201 3202 /* 3203 * This is not very nice, but the simplest: 3204 * For older FWs removing the mcast sta before the bcast station may 3205 * cause assert 0x2b00. 3206 * This is fixed in later FW (which will stop beaconing when removing 3207 * bcast station). 3208 * So make the order of removal depend on the TLV 3209 */ 3210 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3211 iwl_mvm_rm_mcast_sta(mvm, vif); 3212 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3213 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3214 iwl_mvm_rm_mcast_sta(mvm, vif); 3215 iwl_mvm_binding_remove_vif(mvm, vif); 3216 3217 iwl_mvm_power_update_mac(mvm); 3218 3219 iwl_mvm_mac_ctxt_remove(mvm, vif); 3220 } 3221 3222 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3223 struct ieee80211_vif *vif, 3224 struct ieee80211_bss_conf *link_conf) 3225 { 3226 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3227 } 3228 3229 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3230 struct ieee80211_vif *vif) 3231 { 3232 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3233 } 3234 3235 static void 3236 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3237 struct ieee80211_vif *vif, 3238 struct ieee80211_bss_conf *bss_conf, 3239 u64 changes) 3240 { 3241 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3242 3243 /* Changes will be applied when the AP/IBSS is started */ 3244 if (!mvmvif->ap_ibss_active) 3245 return; 3246 3247 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3248 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3249 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3250 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3251 3252 /* Need to send a new beacon template to the FW */ 3253 if (changes & BSS_CHANGED_BEACON && 3254 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3255 IWL_WARN(mvm, "Failed updating beacon data\n"); 3256 3257 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3258 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3259 3260 if (ret) 3261 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3262 ret); 3263 } 3264 3265 } 3266 3267 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3268 struct ieee80211_vif *vif, 3269 struct ieee80211_bss_conf *bss_conf, 3270 u64 changes) 3271 { 3272 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3273 3274 guard(mvm)(mvm); 3275 3276 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3277 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3278 3279 switch (vif->type) { 3280 case NL80211_IFTYPE_STATION: 3281 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3282 break; 3283 case NL80211_IFTYPE_AP: 3284 case NL80211_IFTYPE_ADHOC: 3285 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3286 break; 3287 case NL80211_IFTYPE_MONITOR: 3288 if (changes & BSS_CHANGED_MU_GROUPS) 3289 iwl_mvm_update_mu_groups(mvm, vif); 3290 break; 3291 default: 3292 /* shouldn't happen */ 3293 WARN_ON_ONCE(1); 3294 } 3295 3296 if (changes & BSS_CHANGED_TXPOWER) { 3297 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3298 bss_conf->txpower); 3299 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3300 } 3301 } 3302 3303 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3304 struct ieee80211_scan_request *hw_req) 3305 { 3306 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3307 3308 if (hw_req->req.n_channels == 0 || 3309 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3310 return -EINVAL; 3311 3312 guard(mvm)(mvm); 3313 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3314 } 3315 3316 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3317 struct ieee80211_vif *vif) 3318 { 3319 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3320 3321 guard(mvm)(mvm); 3322 3323 /* Due to a race condition, it's possible that mac80211 asks 3324 * us to stop a hw_scan when it's already stopped. This can 3325 * happen, for instance, if we stopped the scan ourselves, 3326 * called ieee80211_scan_completed() and the userspace called 3327 * cancel scan scan before ieee80211_scan_work() could run. 3328 * To handle that, simply return if the scan is not running. 3329 */ 3330 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3331 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3332 } 3333 3334 void 3335 iwl_mvm_mac_allow_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 mac80211 */ 3344 3345 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3346 tids, more_data, false); 3347 } 3348 3349 void 3350 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3351 struct ieee80211_sta *sta, u16 tids, 3352 int num_frames, 3353 enum ieee80211_frame_release_type reason, 3354 bool more_data) 3355 { 3356 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3357 3358 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3359 3360 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3361 tids, more_data, true); 3362 } 3363 3364 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3365 enum sta_notify_cmd cmd, 3366 struct ieee80211_sta *sta) 3367 { 3368 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3369 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3370 unsigned long txqs = 0, tids = 0; 3371 int tid; 3372 3373 /* 3374 * If we have TVQM then we get too high queue numbers - luckily 3375 * we really shouldn't get here with that because such hardware 3376 * should have firmware supporting buffer station offload. 3377 */ 3378 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3379 return; 3380 3381 spin_lock_bh(&mvmsta->lock); 3382 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3383 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3384 3385 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3386 continue; 3387 3388 __set_bit(tid_data->txq_id, &txqs); 3389 3390 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3391 continue; 3392 3393 __set_bit(tid, &tids); 3394 } 3395 3396 switch (cmd) { 3397 case STA_NOTIFY_SLEEP: 3398 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3399 ieee80211_sta_set_buffered(sta, tid, true); 3400 3401 if (txqs) 3402 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3403 /* 3404 * The fw updates the STA to be asleep. Tx packets on the Tx 3405 * queues to this station will not be transmitted. The fw will 3406 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3407 */ 3408 break; 3409 case STA_NOTIFY_AWAKE: 3410 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3411 break; 3412 3413 if (txqs) 3414 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3415 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3416 break; 3417 default: 3418 break; 3419 } 3420 spin_unlock_bh(&mvmsta->lock); 3421 } 3422 3423 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3424 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3425 { 3426 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3427 } 3428 3429 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3430 { 3431 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3432 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3433 struct ieee80211_sta *sta; 3434 struct iwl_mvm_sta *mvmsta; 3435 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3436 3437 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3438 return; 3439 3440 rcu_read_lock(); 3441 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3442 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3443 rcu_read_unlock(); 3444 return; 3445 } 3446 3447 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3448 3449 if (!mvmsta->vif || 3450 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3451 rcu_read_unlock(); 3452 return; 3453 } 3454 3455 if (mvmsta->sleeping != sleeping) { 3456 mvmsta->sleeping = sleeping; 3457 __iwl_mvm_mac_sta_notify(mvm->hw, 3458 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3459 sta); 3460 ieee80211_sta_ps_transition(sta, sleeping); 3461 } 3462 3463 if (sleeping) { 3464 switch (notif->type) { 3465 case IWL_MVM_PM_EVENT_AWAKE: 3466 case IWL_MVM_PM_EVENT_ASLEEP: 3467 break; 3468 case IWL_MVM_PM_EVENT_UAPSD: 3469 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3470 break; 3471 case IWL_MVM_PM_EVENT_PS_POLL: 3472 ieee80211_sta_pspoll(sta); 3473 break; 3474 default: 3475 break; 3476 } 3477 } 3478 3479 rcu_read_unlock(); 3480 } 3481 3482 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3483 struct ieee80211_vif *vif, 3484 struct ieee80211_sta *sta) 3485 { 3486 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3487 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3488 unsigned int link_id; 3489 3490 /* 3491 * This is called before mac80211 does RCU synchronisation, 3492 * so here we already invalidate our internal RCU-protected 3493 * station pointer. The rest of the code will thus no longer 3494 * be able to find the station this way, and we don't rely 3495 * on further RCU synchronisation after the sta_state() 3496 * callback deleted the station. 3497 * Since there's mvm->mutex here, no need to have RCU lock for 3498 * mvm_sta->link access. 3499 */ 3500 guard(mvm)(mvm); 3501 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3502 struct iwl_mvm_link_sta *link_sta; 3503 u32 sta_id; 3504 3505 if (!mvm_sta->link[link_id]) 3506 continue; 3507 3508 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3509 lockdep_is_held(&mvm->mutex)); 3510 sta_id = link_sta->sta_id; 3511 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3512 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3513 ERR_PTR(-ENOENT)); 3514 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3515 } 3516 } 3517 } 3518 3519 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3520 const u8 *bssid) 3521 { 3522 int i; 3523 3524 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3525 struct iwl_mvm_tcm_mac *mdata; 3526 3527 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3528 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3529 mdata->opened_rx_ba_sessions = false; 3530 } 3531 3532 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3533 return; 3534 3535 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3536 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3537 return; 3538 } 3539 3540 if (!vif->p2p && 3541 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3542 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3543 return; 3544 } 3545 3546 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3547 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3548 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3549 return; 3550 } 3551 } 3552 3553 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3554 } 3555 3556 static void 3557 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3558 struct ieee80211_vif *vif, u8 *peer_addr, 3559 enum nl80211_tdls_operation action) 3560 { 3561 struct iwl_fw_dbg_trigger_tlv *trig; 3562 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3563 3564 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3565 FW_DBG_TRIGGER_TDLS); 3566 if (!trig) 3567 return; 3568 3569 tdls_trig = (void *)trig->data; 3570 3571 if (!(tdls_trig->action_bitmap & BIT(action))) 3572 return; 3573 3574 if (tdls_trig->peer_mode && 3575 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3576 return; 3577 3578 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3579 "TDLS event occurred, peer %pM, action %d", 3580 peer_addr, action); 3581 } 3582 3583 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3584 bool tolerated; 3585 }; 3586 3587 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3588 struct cfg80211_bss *bss, 3589 void *_data) 3590 { 3591 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3592 const struct cfg80211_bss_ies *ies; 3593 const struct element *elem; 3594 3595 rcu_read_lock(); 3596 ies = rcu_dereference(bss->ies); 3597 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3598 ies->len); 3599 3600 if (!elem || elem->datalen < 10 || 3601 !(elem->data[10] & 3602 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3603 data->tolerated = false; 3604 } 3605 rcu_read_unlock(); 3606 } 3607 3608 static void 3609 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3610 struct ieee80211_vif *vif, 3611 unsigned int link_id, 3612 struct ieee80211_bss_conf *link_conf) 3613 { 3614 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3615 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3616 .tolerated = true, 3617 }; 3618 3619 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3620 !mvmvif->link[link_id])) 3621 return; 3622 3623 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3624 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3625 return; 3626 } 3627 3628 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3629 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3630 &iter_data); 3631 3632 /* 3633 * If there is at least one AP on radar channel that cannot 3634 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3635 */ 3636 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3637 } 3638 3639 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3640 struct ieee80211_vif *vif) 3641 { 3642 struct ieee80211_supported_band *sband; 3643 const struct ieee80211_sta_he_cap *he_cap; 3644 3645 if (vif->type != NL80211_IFTYPE_STATION) 3646 return; 3647 3648 if (!mvm->cca_40mhz_workaround) 3649 return; 3650 3651 /* decrement and check that we reached zero */ 3652 mvm->cca_40mhz_workaround--; 3653 if (mvm->cca_40mhz_workaround) 3654 return; 3655 3656 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3657 3658 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3659 3660 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3661 3662 if (he_cap) { 3663 /* we know that ours is writable */ 3664 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3665 3666 he->he_cap_elem.phy_cap_info[0] |= 3667 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3668 } 3669 } 3670 3671 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3672 struct ieee80211_vif *vif, 3673 struct iwl_mvm_sta *mvm_sta) 3674 { 3675 #if IS_ENABLED(CONFIG_IWLMEI) 3676 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3677 struct iwl_mei_conn_info conn_info = { 3678 .ssid_len = vif->cfg.ssid_len, 3679 }; 3680 3681 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3682 return; 3683 3684 if (!mvm->mei_registered) 3685 return; 3686 3687 /* FIXME: MEI needs to be updated for MLO */ 3688 if (!vif->bss_conf.chanreq.oper.chan) 3689 return; 3690 3691 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3692 3693 switch (mvm_sta->pairwise_cipher) { 3694 case WLAN_CIPHER_SUITE_TKIP: 3695 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3696 break; 3697 case WLAN_CIPHER_SUITE_CCMP: 3698 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3699 break; 3700 case WLAN_CIPHER_SUITE_GCMP: 3701 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3702 break; 3703 case WLAN_CIPHER_SUITE_GCMP_256: 3704 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3705 break; 3706 case 0: 3707 /* open profile */ 3708 break; 3709 default: 3710 /* cipher not supported, don't send anything to iwlmei */ 3711 return; 3712 } 3713 3714 switch (mvmvif->rekey_data.akm) { 3715 case WLAN_AKM_SUITE_SAE & 0xff: 3716 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3717 break; 3718 case WLAN_AKM_SUITE_PSK & 0xff: 3719 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3720 break; 3721 case WLAN_AKM_SUITE_8021X & 0xff: 3722 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3723 break; 3724 case 0: 3725 /* open profile */ 3726 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3727 break; 3728 default: 3729 /* auth method / AKM not supported */ 3730 /* TODO: All the FT vesions of these? */ 3731 return; 3732 } 3733 3734 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3735 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3736 3737 /* TODO: add support for collocated AP data */ 3738 iwl_mei_host_associated(&conn_info, NULL); 3739 #endif 3740 } 3741 3742 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3743 struct ieee80211_vif *vif, 3744 bool force_assoc_off) 3745 { 3746 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3747 } 3748 3749 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3750 struct ieee80211_vif *vif, 3751 struct ieee80211_sta *sta, 3752 enum ieee80211_sta_state old_state, 3753 enum ieee80211_sta_state new_state) 3754 { 3755 static const struct iwl_mvm_sta_state_ops callbacks = { 3756 .add_sta = iwl_mvm_add_sta, 3757 .update_sta = iwl_mvm_update_sta, 3758 .rm_sta = iwl_mvm_rm_sta, 3759 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3760 }; 3761 3762 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3763 &callbacks); 3764 } 3765 3766 /* FIXME: temporary making two assumptions in all sta handling functions: 3767 * (1) when setting sta state, the link exists and protected 3768 * (2) if a link is valid in sta then it's valid in vif (can 3769 * use same index in the link array) 3770 */ 3771 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3772 struct ieee80211_vif *vif, 3773 struct ieee80211_sta *sta) 3774 { 3775 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3776 unsigned int link_id; 3777 3778 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3779 struct ieee80211_bss_conf *conf = 3780 link_conf_dereference_check(vif, link_id); 3781 struct ieee80211_link_sta *link_sta = 3782 link_sta_dereference_check(sta, link_id); 3783 3784 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3785 continue; 3786 3787 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3788 mvmvif->link[link_id]->phy_ctxt->channel->band); 3789 } 3790 } 3791 3792 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3793 struct ieee80211_vif *vif, 3794 struct ieee80211_sta *sta) 3795 { 3796 struct ieee80211_link_sta *link_sta; 3797 unsigned int link_id; 3798 3799 /* Beacon interval check - firmware will crash if the beacon 3800 * interval is less than 16. We can't avoid connecting at all, 3801 * so refuse the station state change, this will cause mac80211 3802 * to abandon attempts to connect to this AP, and eventually 3803 * wpa_s will blocklist the AP... 3804 */ 3805 3806 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3807 struct ieee80211_bss_conf *link_conf = 3808 link_conf_dereference_protected(vif, link_id); 3809 3810 if (!link_conf) 3811 continue; 3812 3813 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3814 IWL_ERR(mvm, 3815 "Beacon interval %d for AP %pM is too small\n", 3816 link_conf->beacon_int, link_sta->addr); 3817 return false; 3818 } 3819 3820 link_conf->he_support = link_sta->he_cap.has_he; 3821 } 3822 3823 return true; 3824 } 3825 3826 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3827 struct ieee80211_vif *vif, 3828 struct ieee80211_sta *sta, 3829 bool is_sta) 3830 { 3831 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3832 struct ieee80211_link_sta *link_sta; 3833 unsigned int link_id; 3834 3835 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3836 struct ieee80211_bss_conf *link_conf = 3837 link_conf_dereference_protected(vif, link_id); 3838 3839 if (!link_conf || !mvmvif->link[link_id]) 3840 continue; 3841 3842 link_conf->he_support = link_sta->he_cap.has_he; 3843 3844 if (is_sta) { 3845 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3846 if (link_sta->he_cap.has_he) 3847 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3848 link_id, 3849 link_conf); 3850 } 3851 } 3852 } 3853 3854 static int 3855 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3856 struct ieee80211_vif *vif, 3857 struct ieee80211_sta *sta, 3858 const struct iwl_mvm_sta_state_ops *callbacks) 3859 { 3860 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3861 struct ieee80211_link_sta *link_sta; 3862 unsigned int i; 3863 int ret; 3864 3865 lockdep_assert_held(&mvm->mutex); 3866 3867 if (vif->type == NL80211_IFTYPE_STATION && 3868 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3869 return -EINVAL; 3870 3871 if (sta->tdls && 3872 (vif->p2p || 3873 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3874 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3875 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3876 return -EBUSY; 3877 } 3878 3879 ret = callbacks->add_sta(mvm, vif, sta); 3880 if (sta->tdls && ret == 0) { 3881 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3882 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3883 NL80211_TDLS_SETUP); 3884 } 3885 3886 if (ret) 3887 return ret; 3888 3889 for_each_sta_active_link(vif, sta, link_sta, i) 3890 link_sta->agg.max_rc_amsdu_len = 1; 3891 3892 ieee80211_sta_recalc_aggregates(sta); 3893 3894 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3895 mvmvif->ap_sta = sta; 3896 3897 /* 3898 * Initialize the rates here already - this really tells 3899 * the firmware only what the supported legacy rates are 3900 * (may be) since it's initialized already from what the 3901 * AP advertised in the beacon/probe response. This will 3902 * allow the firmware to send auth/assoc frames with one 3903 * of the supported rates already, rather than having to 3904 * use a mandatory rate. 3905 * If we're the AP, we'll just assume mandatory rates at 3906 * this point, but we know nothing about the STA anyway. 3907 */ 3908 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3909 3910 return 0; 3911 } 3912 3913 static int 3914 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3915 struct iwl_mvm *mvm, 3916 struct ieee80211_vif *vif, 3917 struct ieee80211_sta *sta, 3918 const struct iwl_mvm_sta_state_ops *callbacks) 3919 { 3920 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3921 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3922 struct ieee80211_link_sta *link_sta; 3923 unsigned int link_id; 3924 3925 lockdep_assert_held(&mvm->mutex); 3926 3927 if (vif->type == NL80211_IFTYPE_AP) { 3928 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3929 mvmvif->ap_assoc_sta_count++; 3930 callbacks->mac_ctxt_changed(mvm, vif, false); 3931 3932 /* since the below is not for MLD API, it's ok to use 3933 * the default bss_conf 3934 */ 3935 if (!mvm->mld_api_is_used && 3936 (vif->bss_conf.he_support && 3937 !iwlwifi_mod_params.disable_11ax)) 3938 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3939 } else if (vif->type == NL80211_IFTYPE_STATION) { 3940 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3941 3942 callbacks->mac_ctxt_changed(mvm, vif, false); 3943 3944 if (!mvm->mld_api_is_used) 3945 goto out; 3946 3947 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3948 struct ieee80211_bss_conf *link_conf = 3949 link_conf_dereference_protected(vif, link_id); 3950 3951 if (WARN_ON(!link_conf)) 3952 return -EINVAL; 3953 if (!mvmvif->link[link_id]) 3954 continue; 3955 3956 iwl_mvm_link_changed(mvm, vif, link_conf, 3957 LINK_CONTEXT_MODIFY_ALL & 3958 ~LINK_CONTEXT_MODIFY_ACTIVE, 3959 true); 3960 } 3961 } 3962 3963 out: 3964 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3965 3966 return callbacks->update_sta(mvm, vif, sta); 3967 } 3968 3969 static int 3970 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3971 struct ieee80211_vif *vif, 3972 struct ieee80211_sta *sta, 3973 const struct iwl_mvm_sta_state_ops *callbacks) 3974 { 3975 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3976 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3977 3978 lockdep_assert_held(&mvm->mutex); 3979 3980 /* we don't support TDLS during DCM */ 3981 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3982 iwl_mvm_teardown_tdls_peers(mvm); 3983 3984 if (sta->tdls) { 3985 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3986 NL80211_TDLS_ENABLE_LINK); 3987 } else { 3988 /* enable beacon filtering */ 3989 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 3990 3991 mvmvif->authorized = 1; 3992 3993 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3994 mvmvif->link_selection_res = vif->active_links; 3995 mvmvif->link_selection_primary = 3996 vif->active_links ? __ffs(vif->active_links) : 0; 3997 } 3998 3999 callbacks->mac_ctxt_changed(mvm, vif, false); 4000 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4001 4002 memset(&mvmvif->last_esr_exit, 0, 4003 sizeof(mvmvif->last_esr_exit)); 4004 4005 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4006 4007 /* Block until FW notif will arrive */ 4008 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4009 4010 /* when client is authorized (AP station marked as such), 4011 * try to enable the best link(s). 4012 */ 4013 if (vif->type == NL80211_IFTYPE_STATION && 4014 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4015 iwl_mvm_select_links(mvm, vif); 4016 } 4017 4018 mvm_sta->authorized = true; 4019 4020 /* MFP is set by default before the station is authorized. 4021 * Clear it here in case it's not used. 4022 */ 4023 if (!sta->mfp) { 4024 int ret = callbacks->update_sta(mvm, vif, sta); 4025 4026 if (ret) 4027 return ret; 4028 } 4029 4030 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4031 4032 return 0; 4033 } 4034 4035 static int 4036 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4037 struct ieee80211_vif *vif, 4038 struct ieee80211_sta *sta, 4039 const struct iwl_mvm_sta_state_ops *callbacks) 4040 { 4041 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4042 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4043 4044 lockdep_assert_held(&mvm->mutex); 4045 4046 mvmsta->authorized = false; 4047 4048 /* once we move into assoc state, need to update rate scale to 4049 * disable using wide bandwidth 4050 */ 4051 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4052 4053 if (!sta->tdls) { 4054 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4055 * yet to avoid sending high prio again for a little 4056 * time. 4057 */ 4058 mvmvif->authorized = 0; 4059 mvmvif->link_selection_res = 0; 4060 4061 /* disable beacon filtering */ 4062 iwl_mvm_disable_beacon_filter(mvm, vif); 4063 4064 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4065 &mvmvif->prevent_esr_done_wk); 4066 4067 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4068 &mvmvif->mlo_int_scan_wk); 4069 4070 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4071 4072 /* No need for the periodic statistics anymore */ 4073 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4074 iwl_mvm_request_periodic_system_statistics(mvm, false); 4075 } 4076 4077 return 0; 4078 } 4079 4080 /* Common part for MLD and non-MLD modes */ 4081 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4082 struct ieee80211_vif *vif, 4083 struct ieee80211_sta *sta, 4084 enum ieee80211_sta_state old_state, 4085 enum ieee80211_sta_state new_state, 4086 const struct iwl_mvm_sta_state_ops *callbacks) 4087 { 4088 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4089 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4090 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4091 struct ieee80211_link_sta *link_sta; 4092 unsigned int link_id; 4093 int ret; 4094 4095 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4096 sta->addr, old_state, new_state); 4097 4098 /* 4099 * If we are in a STA removal flow and in DQA mode: 4100 * 4101 * This is after the sync_rcu part, so the queues have already been 4102 * flushed. No more TXs on their way in mac80211's path, and no more in 4103 * the queues. 4104 * Also, we won't be getting any new TX frames for this station. 4105 * What we might have are deferred TX frames that need to be taken care 4106 * of. 4107 * 4108 * Drop any still-queued deferred-frame before removing the STA, and 4109 * make sure the worker is no longer handling frames for this STA. 4110 */ 4111 if (old_state == IEEE80211_STA_NONE && 4112 new_state == IEEE80211_STA_NOTEXIST) { 4113 flush_work(&mvm->add_stream_wk); 4114 4115 /* 4116 * No need to make sure deferred TX indication is off since the 4117 * worker will already remove it if it was on 4118 */ 4119 4120 /* 4121 * Additionally, reset the 40 MHz capability if we disconnected 4122 * from the AP now. 4123 */ 4124 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4125 4126 /* Also free dup data just in case any assertions below fail */ 4127 kfree(mvm_sta->dup_data); 4128 } 4129 4130 mutex_lock(&mvm->mutex); 4131 4132 /* this would be a mac80211 bug ... but don't crash, unless we had a 4133 * firmware crash while we were activating a link, in which case it is 4134 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4135 * recovery flow since we spit tons of error messages anyway. 4136 */ 4137 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4138 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4139 !mvmvif->link[link_id]->phy_ctxt)) { 4140 mutex_unlock(&mvm->mutex); 4141 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4142 &mvm->status) ? 0 : -EINVAL; 4143 } 4144 } 4145 4146 /* track whether or not the station is associated */ 4147 mvm_sta->sta_state = new_state; 4148 4149 if (old_state == IEEE80211_STA_NOTEXIST && 4150 new_state == IEEE80211_STA_NONE) { 4151 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4152 callbacks); 4153 if (ret < 0) 4154 goto out_unlock; 4155 } else if (old_state == IEEE80211_STA_NONE && 4156 new_state == IEEE80211_STA_AUTH) { 4157 /* 4158 * EBS may be disabled due to previous failures reported by FW. 4159 * Reset EBS status here assuming environment has been changed. 4160 */ 4161 mvm->last_ebs_successful = true; 4162 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4163 ret = 0; 4164 } else if (old_state == IEEE80211_STA_AUTH && 4165 new_state == IEEE80211_STA_ASSOC) { 4166 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4167 callbacks); 4168 } else if (old_state == IEEE80211_STA_ASSOC && 4169 new_state == IEEE80211_STA_AUTHORIZED) { 4170 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4171 callbacks); 4172 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4173 new_state == IEEE80211_STA_ASSOC) { 4174 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4175 callbacks); 4176 } else if (old_state == IEEE80211_STA_ASSOC && 4177 new_state == IEEE80211_STA_AUTH) { 4178 if (vif->type == NL80211_IFTYPE_AP) { 4179 mvmvif->ap_assoc_sta_count--; 4180 callbacks->mac_ctxt_changed(mvm, vif, false); 4181 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4182 iwl_mvm_stop_session_protection(mvm, vif); 4183 ret = 0; 4184 } else if (old_state == IEEE80211_STA_AUTH && 4185 new_state == IEEE80211_STA_NONE) { 4186 ret = 0; 4187 } else if (old_state == IEEE80211_STA_NONE && 4188 new_state == IEEE80211_STA_NOTEXIST) { 4189 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4190 iwl_mvm_stop_session_protection(mvm, vif); 4191 mvmvif->ap_sta = NULL; 4192 } 4193 ret = callbacks->rm_sta(mvm, vif, sta); 4194 if (sta->tdls) { 4195 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4196 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4197 NL80211_TDLS_DISABLE_LINK); 4198 } 4199 4200 if (unlikely(ret && 4201 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4202 &mvm->status))) 4203 ret = 0; 4204 } else { 4205 ret = -EIO; 4206 } 4207 out_unlock: 4208 mutex_unlock(&mvm->mutex); 4209 4210 if (sta->tdls && ret == 0) { 4211 if (old_state == IEEE80211_STA_NOTEXIST && 4212 new_state == IEEE80211_STA_NONE) 4213 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4214 else if (old_state == IEEE80211_STA_NONE && 4215 new_state == IEEE80211_STA_NOTEXIST) 4216 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4217 } 4218 4219 return ret; 4220 } 4221 4222 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4223 { 4224 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4225 4226 mvm->rts_threshold = value; 4227 4228 return 0; 4229 } 4230 4231 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4232 struct ieee80211_sta *sta, u32 changed) 4233 { 4234 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4235 4236 if (changed & (IEEE80211_RC_BW_CHANGED | 4237 IEEE80211_RC_SUPP_RATES_CHANGED | 4238 IEEE80211_RC_NSS_CHANGED)) 4239 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4240 4241 if (vif->type == NL80211_IFTYPE_STATION && 4242 changed & IEEE80211_RC_NSS_CHANGED) 4243 iwl_mvm_sf_update(mvm, vif, false); 4244 } 4245 4246 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4247 struct ieee80211_vif *vif, 4248 unsigned int link_id, u16 ac, 4249 const struct ieee80211_tx_queue_params *params) 4250 { 4251 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4252 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4253 4254 mvmvif->deflink.queue_params[ac] = *params; 4255 4256 /* 4257 * No need to update right away, we'll get BSS_CHANGED_QOS 4258 * The exception is P2P_DEVICE interface which needs immediate update. 4259 */ 4260 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4261 guard(mvm)(mvm); 4262 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4263 } 4264 return 0; 4265 } 4266 4267 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4268 struct ieee80211_vif *vif, 4269 struct ieee80211_prep_tx_info *info) 4270 { 4271 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4272 4273 guard(mvm)(mvm); 4274 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4275 } 4276 4277 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4278 struct ieee80211_vif *vif, 4279 struct ieee80211_prep_tx_info *info) 4280 { 4281 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4282 4283 /* for successful cases (auth/assoc), don't cancel session protection */ 4284 if (info->success) 4285 return; 4286 4287 guard(mvm)(mvm); 4288 iwl_mvm_stop_session_protection(mvm, vif); 4289 } 4290 4291 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4292 struct ieee80211_vif *vif, 4293 struct cfg80211_sched_scan_request *req, 4294 struct ieee80211_scan_ies *ies) 4295 { 4296 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4297 4298 guard(mvm)(mvm); 4299 4300 if (!vif->cfg.idle) 4301 return -EBUSY; 4302 4303 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4304 } 4305 4306 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4307 struct ieee80211_vif *vif) 4308 { 4309 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4310 int ret; 4311 4312 mutex_lock(&mvm->mutex); 4313 4314 /* Due to a race condition, it's possible that mac80211 asks 4315 * us to stop a sched_scan when it's already stopped. This 4316 * can happen, for instance, if we stopped the scan ourselves, 4317 * called ieee80211_sched_scan_stopped() and the userspace called 4318 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4319 * could run. To handle this, simply return if the scan is 4320 * not running. 4321 */ 4322 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4323 mutex_unlock(&mvm->mutex); 4324 return 0; 4325 } 4326 4327 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4328 mutex_unlock(&mvm->mutex); 4329 iwl_mvm_wait_for_async_handlers(mvm); 4330 4331 return ret; 4332 } 4333 4334 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4335 enum set_key_cmd cmd, 4336 struct ieee80211_vif *vif, 4337 struct ieee80211_sta *sta, 4338 struct ieee80211_key_conf *key) 4339 { 4340 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4341 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4342 struct iwl_mvm_sta *mvmsta = NULL; 4343 struct iwl_mvm_key_pn *ptk_pn = NULL; 4344 int keyidx = key->keyidx; 4345 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4346 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4347 int ret, i; 4348 u8 key_offset; 4349 4350 if (sta) 4351 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4352 4353 switch (key->cipher) { 4354 case WLAN_CIPHER_SUITE_TKIP: 4355 if (!mvm->trans->trans_cfg->gen2) { 4356 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4357 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4358 } else if (vif->type == NL80211_IFTYPE_STATION) { 4359 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4360 } else { 4361 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4362 return -EOPNOTSUPP; 4363 } 4364 break; 4365 case WLAN_CIPHER_SUITE_CCMP: 4366 case WLAN_CIPHER_SUITE_GCMP: 4367 case WLAN_CIPHER_SUITE_GCMP_256: 4368 if (!iwl_mvm_has_new_tx_api(mvm)) 4369 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4370 break; 4371 case WLAN_CIPHER_SUITE_AES_CMAC: 4372 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4373 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4374 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4375 break; 4376 case WLAN_CIPHER_SUITE_WEP40: 4377 case WLAN_CIPHER_SUITE_WEP104: 4378 if (vif->type == NL80211_IFTYPE_STATION) 4379 break; 4380 if (iwl_mvm_has_new_tx_api(mvm)) 4381 return -EOPNOTSUPP; 4382 /* support HW crypto on TX */ 4383 return 0; 4384 default: 4385 return -EOPNOTSUPP; 4386 } 4387 4388 switch (cmd) { 4389 case SET_KEY: 4390 if (vif->type == NL80211_IFTYPE_STATION && 4391 (keyidx == 6 || keyidx == 7)) 4392 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4393 key); 4394 4395 if ((vif->type == NL80211_IFTYPE_ADHOC || 4396 vif->type == NL80211_IFTYPE_AP) && !sta) { 4397 /* 4398 * GTK on AP interface is a TX-only key, return 0; 4399 * on IBSS they're per-station and because we're lazy 4400 * we don't support them for RX, so do the same. 4401 * CMAC/GMAC in AP/IBSS modes must be done in software 4402 * on older NICs. 4403 * 4404 * Except, of course, beacon protection - it must be 4405 * offloaded since we just set a beacon template, and 4406 * then we must also offload the IGTK (not just BIGTK) 4407 * for firmware reasons. 4408 * 4409 * So just check for beacon protection - if we don't 4410 * have it we cannot get here with keyidx >= 6, and 4411 * if we do have it we need to send the key to FW in 4412 * all cases (CMAC/GMAC). 4413 */ 4414 if (!wiphy_ext_feature_isset(hw->wiphy, 4415 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4416 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4417 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4418 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4419 ret = -EOPNOTSUPP; 4420 break; 4421 } 4422 4423 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4424 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4425 !iwl_mvm_has_new_tx_api(mvm)) { 4426 key->hw_key_idx = STA_KEY_IDX_INVALID; 4427 ret = 0; 4428 break; 4429 } 4430 4431 if (!mvmvif->ap_ibss_active) { 4432 for (i = 0; 4433 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4434 i++) { 4435 if (!mvmvif->ap_early_keys[i]) { 4436 mvmvif->ap_early_keys[i] = key; 4437 break; 4438 } 4439 } 4440 4441 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4442 ret = -ENOSPC; 4443 else 4444 ret = 0; 4445 4446 break; 4447 } 4448 } 4449 4450 /* During FW restart, in order to restore the state as it was, 4451 * don't try to reprogram keys we previously failed for. 4452 */ 4453 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4454 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4455 IWL_DEBUG_MAC80211(mvm, 4456 "skip invalid idx key programming during restart\n"); 4457 ret = 0; 4458 break; 4459 } 4460 4461 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4462 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4463 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4464 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4465 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4466 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4467 struct ieee80211_key_seq seq; 4468 int tid, q; 4469 4470 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4471 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4472 mvm->trans->num_rx_queues), 4473 GFP_KERNEL); 4474 if (!ptk_pn) { 4475 ret = -ENOMEM; 4476 break; 4477 } 4478 4479 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4480 ieee80211_get_key_rx_seq(key, tid, &seq); 4481 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4482 memcpy(ptk_pn->q[q].pn[tid], 4483 seq.ccmp.pn, 4484 IEEE80211_CCMP_PN_LEN); 4485 } 4486 4487 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4488 } 4489 4490 /* in HW restart reuse the index, otherwise request a new one */ 4491 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4492 key_offset = key->hw_key_idx; 4493 else 4494 key_offset = STA_KEY_IDX_INVALID; 4495 4496 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4497 mvmsta->pairwise_cipher = key->cipher; 4498 4499 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4500 sta ? sta->addr : NULL, key->keyidx); 4501 4502 if (sec_key_ver) 4503 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4504 else 4505 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4506 4507 if (ret) { 4508 IWL_WARN(mvm, "set key failed\n"); 4509 key->hw_key_idx = STA_KEY_IDX_INVALID; 4510 if (ptk_pn) { 4511 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4512 kfree(ptk_pn); 4513 } 4514 /* 4515 * can't add key for RX, but we don't need it 4516 * in the device for TX so still return 0, 4517 * unless we have new TX API where we cannot 4518 * put key material into the TX_CMD 4519 */ 4520 if (iwl_mvm_has_new_tx_api(mvm)) 4521 ret = -EOPNOTSUPP; 4522 else 4523 ret = 0; 4524 } 4525 4526 break; 4527 case DISABLE_KEY: 4528 if (vif->type == NL80211_IFTYPE_STATION && 4529 (keyidx == 6 || keyidx == 7)) 4530 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4531 NULL); 4532 4533 ret = -ENOENT; 4534 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4535 if (mvmvif->ap_early_keys[i] == key) { 4536 mvmvif->ap_early_keys[i] = NULL; 4537 ret = 0; 4538 } 4539 } 4540 4541 /* found in pending list - don't do anything else */ 4542 if (ret == 0) 4543 break; 4544 4545 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4546 ret = 0; 4547 break; 4548 } 4549 4550 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4551 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4552 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4553 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4554 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4555 ptk_pn = rcu_dereference_protected( 4556 mvmsta->ptk_pn[keyidx], 4557 lockdep_is_held(&mvm->mutex)); 4558 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4559 if (ptk_pn) 4560 kfree_rcu(ptk_pn, rcu_head); 4561 } 4562 4563 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4564 if (sec_key_ver) 4565 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4566 else 4567 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4568 break; 4569 default: 4570 ret = -EINVAL; 4571 } 4572 4573 return ret; 4574 } 4575 4576 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4577 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4578 struct ieee80211_key_conf *key) 4579 { 4580 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4581 4582 guard(mvm)(mvm); 4583 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4584 } 4585 4586 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4587 struct ieee80211_vif *vif, 4588 struct ieee80211_key_conf *keyconf, 4589 struct ieee80211_sta *sta, 4590 u32 iv32, u16 *phase1key) 4591 { 4592 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4593 4594 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4595 return; 4596 4597 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4598 } 4599 4600 4601 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4602 struct iwl_rx_packet *pkt, void *data) 4603 { 4604 struct iwl_mvm *mvm = 4605 container_of(notif_wait, struct iwl_mvm, notif_wait); 4606 struct iwl_hs20_roc_res *resp; 4607 int resp_len = iwl_rx_packet_payload_len(pkt); 4608 struct iwl_mvm_time_event_data *te_data = data; 4609 4610 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4611 return true; 4612 4613 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4614 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4615 return true; 4616 } 4617 4618 resp = (void *)pkt->data; 4619 4620 IWL_DEBUG_TE(mvm, 4621 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4622 resp->status, resp->event_unique_id); 4623 4624 te_data->uid = le32_to_cpu(resp->event_unique_id); 4625 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4626 te_data->uid); 4627 4628 spin_lock_bh(&mvm->time_event_lock); 4629 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4630 spin_unlock_bh(&mvm->time_event_lock); 4631 4632 return true; 4633 } 4634 4635 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4636 struct ieee80211_channel *channel, 4637 struct ieee80211_vif *vif, 4638 int duration) 4639 { 4640 int res; 4641 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4642 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4643 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4644 struct iwl_notification_wait wait_time_event; 4645 u32 req_dur, delay; 4646 struct iwl_hs20_roc_req aux_roc_req = { 4647 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4648 .id_and_color = 4649 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4650 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4651 }; 4652 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4653 &aux_roc_req.channel_info); 4654 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4655 4656 /* Set the channel info data */ 4657 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4658 iwl_mvm_phy_band_from_nl80211(channel->band), 4659 IWL_PHY_CHANNEL_MODE20, 4660 0); 4661 4662 /* Set the time and duration */ 4663 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4664 4665 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4666 tail->duration = cpu_to_le32(req_dur); 4667 tail->apply_time_max_delay = cpu_to_le32(delay); 4668 4669 IWL_DEBUG_TE(mvm, 4670 "ROC: Requesting to remain on channel %u for %ums\n", 4671 channel->hw_value, req_dur); 4672 IWL_DEBUG_TE(mvm, 4673 "\t(requested = %ums, max_delay = %ums)\n", 4674 duration, delay); 4675 4676 /* Set the node address */ 4677 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4678 4679 lockdep_assert_held(&mvm->mutex); 4680 4681 spin_lock_bh(&mvm->time_event_lock); 4682 4683 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4684 spin_unlock_bh(&mvm->time_event_lock); 4685 return -EIO; 4686 } 4687 4688 te_data->vif = vif; 4689 te_data->duration = duration; 4690 te_data->id = HOT_SPOT_CMD; 4691 4692 spin_unlock_bh(&mvm->time_event_lock); 4693 4694 /* 4695 * Use a notification wait, which really just processes the 4696 * command response and doesn't wait for anything, in order 4697 * to be able to process the response and get the UID inside 4698 * the RX path. Using CMD_WANT_SKB doesn't work because it 4699 * stores the buffer and then wakes up this thread, by which 4700 * time another notification (that the time event started) 4701 * might already be processed unsuccessfully. 4702 */ 4703 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4704 time_event_response, 4705 ARRAY_SIZE(time_event_response), 4706 iwl_mvm_rx_aux_roc, te_data); 4707 4708 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4709 &aux_roc_req); 4710 4711 if (res) { 4712 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4713 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4714 goto out_clear_te; 4715 } 4716 4717 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4718 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4719 /* should never fail */ 4720 WARN_ON_ONCE(res); 4721 4722 if (res) { 4723 out_clear_te: 4724 spin_lock_bh(&mvm->time_event_lock); 4725 iwl_mvm_te_clear_data(mvm, te_data); 4726 spin_unlock_bh(&mvm->time_event_lock); 4727 } 4728 4729 return res; 4730 } 4731 4732 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4733 { 4734 int ret = 0; 4735 4736 lockdep_assert_held(&mvm->mutex); 4737 4738 if (!fw_has_capa(&mvm->fw->ucode_capa, 4739 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4740 IWL_ERR(mvm, "hotspot not supported\n"); 4741 return -EINVAL; 4742 } 4743 4744 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4745 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4746 WARN(ret, "Failed to allocate aux station"); 4747 } 4748 4749 return ret; 4750 } 4751 4752 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4753 { 4754 int ret; 4755 4756 lockdep_assert_held(&mvm->mutex); 4757 4758 ret = iwl_mvm_binding_add_vif(mvm, vif); 4759 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4760 return ret; 4761 4762 /* The station and queue allocation must be done only after the binding 4763 * is done, as otherwise the FW might incorrectly configure its state. 4764 */ 4765 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4766 } 4767 4768 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4769 struct ieee80211_vif *vif, 4770 struct ieee80211_channel *channel, 4771 int duration, 4772 enum ieee80211_roc_type type) 4773 { 4774 static const struct iwl_mvm_roc_ops ops = { 4775 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4776 .link = iwl_mvm_roc_link, 4777 }; 4778 4779 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4780 } 4781 4782 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4783 struct ieee80211_channel *channel, 4784 struct ieee80211_vif *vif, 4785 int duration) 4786 { 4787 int ret; 4788 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4789 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4790 IWL_FW_CMD_VER_UNKNOWN); 4791 4792 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4793 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4794 } else if (fw_ver >= 3) { 4795 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4796 ROC_ACTIVITY_HOTSPOT); 4797 } else { 4798 ret = -EOPNOTSUPP; 4799 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4800 } 4801 4802 return ret; 4803 } 4804 4805 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4806 struct ieee80211_channel *channel, 4807 struct ieee80211_vif *vif, 4808 int duration, 4809 enum ieee80211_roc_type type) 4810 { 4811 enum iwl_roc_activity activity; 4812 int ret; 4813 4814 lockdep_assert_held(&mvm->mutex); 4815 4816 switch (type) { 4817 case IEEE80211_ROC_TYPE_NORMAL: 4818 activity = ROC_ACTIVITY_P2P_DISC; 4819 break; 4820 case IEEE80211_ROC_TYPE_MGMT_TX: 4821 activity = ROC_ACTIVITY_P2P_NEG; 4822 break; 4823 default: 4824 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4825 return -EINVAL; 4826 } 4827 4828 ret = iwl_mvm_mld_add_aux_sta(mvm, 4829 iwl_mvm_get_lmac_id(mvm, channel->band)); 4830 if (ret) 4831 return ret; 4832 4833 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4834 } 4835 4836 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4837 struct ieee80211_vif *vif, 4838 struct ieee80211_channel *channel) 4839 { 4840 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4841 struct cfg80211_chan_def chandef; 4842 int i; 4843 4844 lockdep_assert_held(&mvm->mutex); 4845 4846 if (mvmvif->deflink.phy_ctxt && 4847 channel == mvmvif->deflink.phy_ctxt->channel) 4848 return 0; 4849 4850 /* Try using a PHY context that is already in use */ 4851 for (i = 0; i < NUM_PHY_CTX; i++) { 4852 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4853 4854 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4855 continue; 4856 4857 if (channel == phy_ctxt->channel) { 4858 if (mvmvif->deflink.phy_ctxt) 4859 iwl_mvm_phy_ctxt_unref(mvm, 4860 mvmvif->deflink.phy_ctxt); 4861 4862 mvmvif->deflink.phy_ctxt = phy_ctxt; 4863 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4864 return 0; 4865 } 4866 } 4867 4868 /* We already have a phy_ctxt, but it's not on the right channel */ 4869 if (mvmvif->deflink.phy_ctxt) 4870 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4871 4872 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4873 if (!mvmvif->deflink.phy_ctxt) 4874 return -ENOSPC; 4875 4876 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4877 4878 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4879 &chandef, NULL, 1, 1); 4880 } 4881 4882 /* Execute the common part for MLD and non-MLD modes */ 4883 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4884 struct ieee80211_channel *channel, int duration, 4885 enum ieee80211_roc_type type, 4886 const struct iwl_mvm_roc_ops *ops) 4887 { 4888 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4889 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4890 u32 lmac_id; 4891 int ret; 4892 4893 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4894 duration, type); 4895 4896 /* 4897 * Flush the done work, just in case it's still pending, so that 4898 * the work it does can complete and we can accept new frames. 4899 */ 4900 flush_work(&mvm->roc_done_wk); 4901 4902 if (!IS_ERR_OR_NULL(bss_vif)) { 4903 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4904 IWL_MVM_ESR_BLOCKED_ROC); 4905 if (ret) 4906 return ret; 4907 } 4908 4909 guard(mvm)(mvm); 4910 4911 switch (vif->type) { 4912 case NL80211_IFTYPE_STATION: 4913 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4914 4915 /* Use aux roc framework (HS20) */ 4916 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4917 if (!ret) 4918 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4919 return ret; 4920 case NL80211_IFTYPE_P2P_DEVICE: 4921 /* handle below */ 4922 break; 4923 default: 4924 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4925 return -EINVAL; 4926 } 4927 4928 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4929 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4930 return ret; 4931 } 4932 4933 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4934 if (ret) 4935 return ret; 4936 4937 ret = ops->link(mvm, vif); 4938 if (ret) 4939 return ret; 4940 4941 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4942 } 4943 4944 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4945 struct ieee80211_vif *vif) 4946 { 4947 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4948 4949 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4950 4951 iwl_mvm_stop_roc(mvm, vif); 4952 4953 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4954 return 0; 4955 } 4956 4957 struct iwl_mvm_ftm_responder_iter_data { 4958 bool responder; 4959 struct ieee80211_chanctx_conf *ctx; 4960 }; 4961 4962 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4963 struct ieee80211_vif *vif) 4964 { 4965 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4966 4967 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4968 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4969 data->responder = true; 4970 } 4971 4972 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 4973 struct ieee80211_chanctx_conf *ctx) 4974 { 4975 struct iwl_mvm_ftm_responder_iter_data data = { 4976 .responder = false, 4977 .ctx = ctx, 4978 }; 4979 4980 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 4981 IEEE80211_IFACE_ITER_NORMAL, 4982 iwl_mvm_ftm_responder_chanctx_iter, 4983 &data); 4984 return data.responder; 4985 } 4986 4987 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 4988 struct ieee80211_chanctx_conf *ctx) 4989 { 4990 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 4991 struct iwl_mvm_phy_ctxt *phy_ctxt; 4992 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 4993 int ret; 4994 4995 lockdep_assert_held(&mvm->mutex); 4996 4997 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 4998 4999 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5000 if (!phy_ctxt) { 5001 ret = -ENOSPC; 5002 goto out; 5003 } 5004 5005 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5006 ctx->rx_chains_static, 5007 ctx->rx_chains_dynamic); 5008 if (ret) { 5009 IWL_ERR(mvm, "Failed to add PHY context\n"); 5010 goto out; 5011 } 5012 5013 *phy_ctxt_id = phy_ctxt->id; 5014 out: 5015 return ret; 5016 } 5017 5018 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5019 struct ieee80211_chanctx_conf *ctx) 5020 { 5021 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5022 5023 guard(mvm)(mvm); 5024 return __iwl_mvm_add_chanctx(mvm, ctx); 5025 } 5026 5027 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5028 struct ieee80211_chanctx_conf *ctx) 5029 { 5030 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5031 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5032 5033 lockdep_assert_held(&mvm->mutex); 5034 5035 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5036 } 5037 5038 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5039 struct ieee80211_chanctx_conf *ctx) 5040 { 5041 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5042 5043 guard(mvm)(mvm); 5044 __iwl_mvm_remove_chanctx(mvm, ctx); 5045 } 5046 5047 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5048 struct ieee80211_chanctx_conf *ctx, u32 changed) 5049 { 5050 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5051 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5052 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5053 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5054 5055 if (WARN_ONCE((phy_ctxt->ref > 1) && 5056 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5057 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5058 IEEE80211_CHANCTX_CHANGE_RADAR | 5059 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 5060 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5061 phy_ctxt->ref, changed)) 5062 return; 5063 5064 guard(mvm)(mvm); 5065 5066 /* we are only changing the min_width, may be a noop */ 5067 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5068 if (phy_ctxt->width == def->width) 5069 return; 5070 5071 /* we are just toggling between 20_NOHT and 20 */ 5072 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5073 def->width <= NL80211_CHAN_WIDTH_20) 5074 return; 5075 } 5076 5077 iwl_mvm_bt_coex_vif_change(mvm); 5078 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5079 ctx->rx_chains_static, 5080 ctx->rx_chains_dynamic); 5081 } 5082 5083 /* 5084 * This function executes the common part for MLD and non-MLD modes. 5085 * 5086 * Returns true if we're done assigning the chanctx 5087 * (either on failure or success) 5088 */ 5089 static bool 5090 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5091 struct ieee80211_vif *vif, 5092 struct ieee80211_chanctx_conf *ctx, 5093 bool switching_chanctx, int *ret) 5094 { 5095 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5096 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5097 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5098 5099 lockdep_assert_held(&mvm->mutex); 5100 5101 mvmvif->deflink.phy_ctxt = phy_ctxt; 5102 5103 switch (vif->type) { 5104 case NL80211_IFTYPE_AP: 5105 /* only needed if we're switching chanctx (i.e. during CSA) */ 5106 if (switching_chanctx) { 5107 mvmvif->ap_ibss_active = true; 5108 break; 5109 } 5110 fallthrough; 5111 case NL80211_IFTYPE_ADHOC: 5112 /* 5113 * The AP binding flow is handled as part of the start_ap flow 5114 * (in bss_info_changed), similarly for IBSS. 5115 */ 5116 *ret = 0; 5117 return true; 5118 case NL80211_IFTYPE_STATION: 5119 break; 5120 case NL80211_IFTYPE_MONITOR: 5121 /* always disable PS when a monitor interface is active */ 5122 mvmvif->ps_disabled = true; 5123 break; 5124 default: 5125 *ret = -EINVAL; 5126 return true; 5127 } 5128 return false; 5129 } 5130 5131 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5132 struct ieee80211_vif *vif, 5133 struct ieee80211_bss_conf *link_conf, 5134 struct ieee80211_chanctx_conf *ctx, 5135 bool switching_chanctx) 5136 { 5137 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5138 int ret; 5139 5140 if (WARN_ON(!link_conf)) 5141 return -EINVAL; 5142 5143 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5144 switching_chanctx, &ret)) 5145 goto out; 5146 5147 ret = iwl_mvm_binding_add_vif(mvm, vif); 5148 if (ret) 5149 goto out; 5150 5151 /* 5152 * Power state must be updated before quotas, 5153 * otherwise fw will complain. 5154 */ 5155 iwl_mvm_power_update_mac(mvm); 5156 5157 /* Setting the quota at this stage is only required for monitor 5158 * interfaces. For the other types, the bss_info changed flow 5159 * will handle quota settings. 5160 */ 5161 if (vif->type == NL80211_IFTYPE_MONITOR) { 5162 mvmvif->monitor_active = true; 5163 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5164 if (ret) 5165 goto out_remove_binding; 5166 5167 ret = iwl_mvm_add_snif_sta(mvm, vif); 5168 if (ret) 5169 goto out_remove_binding; 5170 5171 } 5172 5173 /* Handle binding during CSA */ 5174 if (vif->type == NL80211_IFTYPE_AP) { 5175 iwl_mvm_update_quotas(mvm, false, NULL); 5176 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5177 } 5178 5179 if (vif->type == NL80211_IFTYPE_STATION) { 5180 if (!switching_chanctx) { 5181 mvmvif->csa_bcn_pending = false; 5182 goto out; 5183 } 5184 5185 mvmvif->csa_bcn_pending = true; 5186 5187 if (!fw_has_capa(&mvm->fw->ucode_capa, 5188 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5189 u32 duration = 5 * vif->bss_conf.beacon_int; 5190 5191 /* Protect the session to make sure we hear the first 5192 * beacon on the new channel. 5193 */ 5194 iwl_mvm_protect_session(mvm, vif, duration, duration, 5195 vif->bss_conf.beacon_int / 2, 5196 true); 5197 } 5198 5199 iwl_mvm_update_quotas(mvm, false, NULL); 5200 5201 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5202 link_conf, 5203 false); 5204 } 5205 5206 goto out; 5207 5208 out_remove_binding: 5209 iwl_mvm_binding_remove_vif(mvm, vif); 5210 iwl_mvm_power_update_mac(mvm); 5211 out: 5212 if (ret) 5213 mvmvif->deflink.phy_ctxt = NULL; 5214 return ret; 5215 } 5216 5217 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5218 struct ieee80211_vif *vif, 5219 struct ieee80211_bss_conf *link_conf, 5220 struct ieee80211_chanctx_conf *ctx) 5221 { 5222 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5223 5224 guard(mvm)(mvm); 5225 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5226 } 5227 5228 /* 5229 * This function executes the common part for MLD and non-MLD modes. 5230 * 5231 * Returns if chanctx unassign chanctx is done 5232 * (either on failure or success) 5233 */ 5234 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5235 struct ieee80211_vif *vif, 5236 bool switching_chanctx) 5237 { 5238 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5239 5240 lockdep_assert_held(&mvm->mutex); 5241 iwl_mvm_remove_time_event(mvm, mvmvif, 5242 &mvmvif->time_event_data); 5243 5244 switch (vif->type) { 5245 case NL80211_IFTYPE_ADHOC: 5246 return true; 5247 case NL80211_IFTYPE_MONITOR: 5248 mvmvif->monitor_active = false; 5249 mvmvif->ps_disabled = false; 5250 break; 5251 case NL80211_IFTYPE_AP: 5252 /* This part is triggered only during CSA */ 5253 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5254 return true; 5255 5256 mvmvif->csa_countdown = false; 5257 5258 /* Set CS bit on all the stations */ 5259 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5260 5261 /* Save blocked iface, the timeout is set on the next beacon */ 5262 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5263 5264 mvmvif->ap_ibss_active = false; 5265 break; 5266 default: 5267 break; 5268 } 5269 return false; 5270 } 5271 5272 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5273 struct ieee80211_vif *vif, 5274 struct ieee80211_bss_conf *link_conf, 5275 struct ieee80211_chanctx_conf *ctx, 5276 bool switching_chanctx) 5277 { 5278 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5279 struct ieee80211_vif *disabled_vif = NULL; 5280 5281 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5282 goto out; 5283 5284 if (vif->type == NL80211_IFTYPE_MONITOR) 5285 iwl_mvm_rm_snif_sta(mvm, vif); 5286 5287 5288 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5289 disabled_vif = vif; 5290 if (!fw_has_capa(&mvm->fw->ucode_capa, 5291 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5292 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5293 } 5294 5295 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5296 iwl_mvm_binding_remove_vif(mvm, vif); 5297 5298 out: 5299 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5300 switching_chanctx) 5301 return; 5302 mvmvif->deflink.phy_ctxt = NULL; 5303 iwl_mvm_power_update_mac(mvm); 5304 } 5305 5306 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5307 struct ieee80211_vif *vif, 5308 struct ieee80211_bss_conf *link_conf, 5309 struct ieee80211_chanctx_conf *ctx) 5310 { 5311 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5312 5313 guard(mvm)(mvm); 5314 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5315 } 5316 5317 static int 5318 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5319 struct ieee80211_vif_chanctx_switch *vifs, 5320 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5321 { 5322 int ret; 5323 5324 guard(mvm)(mvm); 5325 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5326 vifs[0].old_ctx, true); 5327 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5328 5329 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5330 if (ret) { 5331 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5332 goto out_reassign; 5333 } 5334 5335 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5336 vifs[0].new_ctx, true); 5337 if (ret) { 5338 IWL_ERR(mvm, 5339 "failed to assign new_ctx during channel switch\n"); 5340 goto out_remove; 5341 } 5342 5343 /* we don't support TDLS during DCM - can be caused by channel switch */ 5344 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5345 iwl_mvm_teardown_tdls_peers(mvm); 5346 5347 return 0; 5348 5349 out_remove: 5350 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5351 5352 out_reassign: 5353 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5354 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5355 goto out_restart; 5356 } 5357 5358 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5359 vifs[0].old_ctx, true)) { 5360 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5361 goto out_restart; 5362 } 5363 5364 return ret; 5365 5366 out_restart: 5367 /* things keep failing, better restart the hw */ 5368 iwl_mvm_nic_restart(mvm, false); 5369 return ret; 5370 } 5371 5372 static int 5373 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5374 struct ieee80211_vif_chanctx_switch *vifs, 5375 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5376 { 5377 int ret; 5378 5379 guard(mvm)(mvm); 5380 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5381 vifs[0].old_ctx, true); 5382 5383 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5384 vifs[0].new_ctx, true); 5385 if (ret) { 5386 IWL_ERR(mvm, 5387 "failed to assign new_ctx during channel switch\n"); 5388 goto out_reassign; 5389 } 5390 5391 return 0; 5392 5393 out_reassign: 5394 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5395 vifs[0].old_ctx, true)) { 5396 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5397 goto out_restart; 5398 } 5399 5400 return ret; 5401 5402 out_restart: 5403 /* things keep failing, better restart the hw */ 5404 iwl_mvm_nic_restart(mvm, false); 5405 return ret; 5406 } 5407 5408 /* Execute the common part for both MLD and non-MLD modes */ 5409 int 5410 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5411 struct ieee80211_vif_chanctx_switch *vifs, 5412 int n_vifs, 5413 enum ieee80211_chanctx_switch_mode mode, 5414 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5415 { 5416 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5417 int ret; 5418 5419 /* we only support a single-vif right now */ 5420 if (n_vifs > 1) 5421 return -EOPNOTSUPP; 5422 5423 switch (mode) { 5424 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5425 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5426 break; 5427 case CHANCTX_SWMODE_REASSIGN_VIF: 5428 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5429 break; 5430 default: 5431 ret = -EOPNOTSUPP; 5432 break; 5433 } 5434 5435 return ret; 5436 } 5437 5438 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5439 struct ieee80211_vif_chanctx_switch *vifs, 5440 int n_vifs, 5441 enum ieee80211_chanctx_switch_mode mode) 5442 { 5443 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5444 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5445 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5446 }; 5447 5448 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5449 } 5450 5451 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5452 { 5453 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5454 5455 return mvm->ibss_manager; 5456 } 5457 5458 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5459 bool set) 5460 { 5461 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5462 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5463 5464 if (!mvm_sta || !mvm_sta->vif) { 5465 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5466 return -EINVAL; 5467 } 5468 5469 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5470 &mvm_sta->vif->bss_conf); 5471 } 5472 5473 #ifdef CONFIG_NL80211_TESTMODE 5474 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5475 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5476 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5477 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5478 }; 5479 5480 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5481 struct ieee80211_vif *vif, 5482 void *data, int len) 5483 { 5484 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5485 int err; 5486 u32 noa_duration; 5487 5488 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5489 iwl_mvm_tm_policy, NULL); 5490 if (err) 5491 return err; 5492 5493 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5494 return -EINVAL; 5495 5496 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5497 case IWL_MVM_TM_CMD_SET_NOA: 5498 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5499 !vif->bss_conf.enable_beacon || 5500 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5501 return -EINVAL; 5502 5503 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5504 if (noa_duration >= vif->bss_conf.beacon_int) 5505 return -EINVAL; 5506 5507 mvm->noa_duration = noa_duration; 5508 mvm->noa_vif = vif; 5509 5510 return iwl_mvm_update_quotas(mvm, true, NULL); 5511 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5512 /* must be associated client vif - ignore authorized */ 5513 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5514 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5515 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5516 return -EINVAL; 5517 5518 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5519 return iwl_mvm_enable_beacon_filter(mvm, vif); 5520 return iwl_mvm_disable_beacon_filter(mvm, vif); 5521 } 5522 5523 return -EOPNOTSUPP; 5524 } 5525 5526 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5527 struct ieee80211_vif *vif, 5528 void *data, int len) 5529 { 5530 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5531 5532 guard(mvm)(mvm); 5533 return __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5534 } 5535 #endif 5536 5537 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5538 struct ieee80211_channel_switch *chsw) 5539 { 5540 /* By implementing this operation, we prevent mac80211 from 5541 * starting its own channel switch timer, so that we can call 5542 * ieee80211_chswitch_done() ourselves at the right time 5543 * (which is when the absence time event starts). 5544 */ 5545 5546 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5547 "dummy channel switch op\n"); 5548 } 5549 5550 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5551 struct ieee80211_vif *vif, 5552 struct ieee80211_channel_switch *chsw) 5553 { 5554 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5555 struct iwl_chan_switch_te_cmd cmd = { 5556 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5557 mvmvif->color)), 5558 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5559 .tsf = cpu_to_le32(chsw->timestamp), 5560 .cs_count = chsw->count, 5561 .cs_mode = chsw->block_tx, 5562 }; 5563 5564 lockdep_assert_held(&mvm->mutex); 5565 5566 if (chsw->delay) 5567 cmd.cs_delayed_bcn_count = 5568 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5569 5570 return iwl_mvm_send_cmd_pdu(mvm, 5571 WIDE_ID(MAC_CONF_GROUP, 5572 CHANNEL_SWITCH_TIME_EVENT_CMD), 5573 0, sizeof(cmd), &cmd); 5574 } 5575 5576 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5577 struct ieee80211_vif *vif, 5578 struct ieee80211_channel_switch *chsw) 5579 { 5580 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5581 u32 apply_time; 5582 5583 /* Schedule the time event to a bit before beacon 1, 5584 * to make sure we're in the new channel when the 5585 * GO/AP arrives. In case count <= 1 immediately schedule the 5586 * TE (this might result with some packet loss or connection 5587 * loss). 5588 */ 5589 if (chsw->count <= 1) 5590 apply_time = 0; 5591 else 5592 apply_time = chsw->device_timestamp + 5593 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5594 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5595 5596 if (chsw->block_tx) 5597 iwl_mvm_csa_client_absent(mvm, vif); 5598 5599 if (mvmvif->bf_enabled) { 5600 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5601 5602 if (ret) 5603 return ret; 5604 } 5605 5606 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5607 apply_time); 5608 5609 return 0; 5610 } 5611 5612 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5613 { 5614 int i; 5615 5616 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5617 struct iwl_mvm_txq *mvmtxq = 5618 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5619 5620 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5621 } 5622 } 5623 5624 #define IWL_MAX_CSA_BLOCK_TX 1500 5625 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5626 struct ieee80211_vif *vif, 5627 struct ieee80211_channel_switch *chsw) 5628 { 5629 struct ieee80211_vif *csa_vif; 5630 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5631 struct iwl_mvm_txq *mvmtxq; 5632 int ret; 5633 5634 lockdep_assert_held(&mvm->mutex); 5635 5636 mvmvif->csa_failed = false; 5637 mvmvif->csa_blocks_tx = false; 5638 5639 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5640 chsw->chandef.center_freq1); 5641 5642 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5643 ieee80211_vif_to_wdev(vif), 5644 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5645 5646 switch (vif->type) { 5647 case NL80211_IFTYPE_AP: 5648 csa_vif = 5649 rcu_dereference_protected(mvm->csa_vif, 5650 lockdep_is_held(&mvm->mutex)); 5651 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5652 "Another CSA is already in progress")) 5653 return -EBUSY; 5654 5655 /* we still didn't unblock tx. prevent new CS meanwhile */ 5656 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5657 lockdep_is_held(&mvm->mutex))) 5658 return -EBUSY; 5659 5660 rcu_assign_pointer(mvm->csa_vif, vif); 5661 5662 if (WARN_ONCE(mvmvif->csa_countdown, 5663 "Previous CSA countdown didn't complete")) 5664 return -EBUSY; 5665 5666 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5667 5668 if (!chsw->block_tx) 5669 break; 5670 /* don't need blocking in driver otherwise - mac80211 will do */ 5671 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5672 break; 5673 5674 mvmvif->csa_blocks_tx = true; 5675 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5676 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5677 ieee80211_iterate_stations_atomic(mvm->hw, 5678 iwl_mvm_csa_block_txqs, 5679 NULL); 5680 break; 5681 case NL80211_IFTYPE_STATION: 5682 mvmvif->csa_blocks_tx = chsw->block_tx; 5683 5684 /* 5685 * In the new flow FW is in charge of timing the switch so there 5686 * is no need for all of this 5687 */ 5688 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5689 CHANNEL_SWITCH_ERROR_NOTIF, 5690 0)) 5691 break; 5692 5693 /* 5694 * We haven't configured the firmware to be associated yet since 5695 * we don't know the dtim period. In this case, the firmware can't 5696 * track the beacons. 5697 */ 5698 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5699 return -EBUSY; 5700 5701 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5702 hweight16(vif->valid_links) <= 1) 5703 schedule_delayed_work(&mvmvif->csa_work, 0); 5704 5705 if (chsw->block_tx) { 5706 /* 5707 * In case of undetermined / long time with immediate 5708 * quiet monitor status to gracefully disconnect 5709 */ 5710 if (!chsw->count || 5711 chsw->count * vif->bss_conf.beacon_int > 5712 IWL_MAX_CSA_BLOCK_TX) 5713 schedule_delayed_work(&mvmvif->csa_work, 5714 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5715 } 5716 5717 if (!fw_has_capa(&mvm->fw->ucode_capa, 5718 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5719 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5720 if (ret) 5721 return ret; 5722 } else { 5723 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5724 } 5725 5726 mvmvif->csa_count = chsw->count; 5727 mvmvif->csa_misbehave = false; 5728 break; 5729 default: 5730 break; 5731 } 5732 5733 mvmvif->ps_disabled = true; 5734 5735 ret = iwl_mvm_power_update_ps(mvm); 5736 if (ret) 5737 return ret; 5738 5739 /* we won't be on this channel any longer */ 5740 iwl_mvm_teardown_tdls_peers(mvm); 5741 5742 return ret; 5743 } 5744 5745 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5746 struct ieee80211_vif *vif, 5747 struct ieee80211_channel_switch *chsw) 5748 { 5749 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5750 5751 guard(mvm)(mvm); 5752 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5753 } 5754 5755 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5756 struct ieee80211_vif *vif, 5757 struct ieee80211_channel_switch *chsw) 5758 { 5759 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5760 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5761 struct iwl_chan_switch_te_cmd cmd = { 5762 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5763 mvmvif->color)), 5764 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5765 .tsf = cpu_to_le32(chsw->timestamp), 5766 .cs_count = chsw->count, 5767 .cs_mode = chsw->block_tx, 5768 }; 5769 5770 /* 5771 * In the new flow FW is in charge of timing the switch so there is no 5772 * need for all of this 5773 */ 5774 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5775 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5776 return; 5777 5778 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5779 return; 5780 5781 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5782 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5783 5784 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5785 if (mvmvif->csa_misbehave) { 5786 struct ieee80211_bss_conf *link_conf; 5787 5788 /* Second time, give up on this AP*/ 5789 5790 link_conf = wiphy_dereference(hw->wiphy, 5791 vif->link_conf[chsw->link_id]); 5792 if (WARN_ON(!link_conf)) 5793 return; 5794 5795 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5796 ieee80211_chswitch_done(vif, false, 0); 5797 mvmvif->csa_misbehave = false; 5798 return; 5799 } 5800 mvmvif->csa_misbehave = true; 5801 } 5802 mvmvif->csa_count = chsw->count; 5803 5804 guard(mvm)(mvm); 5805 if (mvmvif->csa_failed) 5806 return; 5807 5808 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5809 WIDE_ID(MAC_CONF_GROUP, 5810 CHANNEL_SWITCH_TIME_EVENT_CMD), 5811 0, sizeof(cmd), &cmd)); 5812 } 5813 5814 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5815 { 5816 int i; 5817 5818 if (!iwl_mvm_has_new_tx_api(mvm)) { 5819 if (drop) { 5820 guard(mvm)(mvm); 5821 iwl_mvm_flush_tx_path(mvm, 5822 iwl_mvm_flushable_queues(mvm) & queues); 5823 } else { 5824 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5825 } 5826 return; 5827 } 5828 5829 guard(mvm)(mvm); 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 } 5845 5846 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5847 u32 queues, bool drop) 5848 { 5849 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5850 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5851 struct iwl_mvm_sta *mvmsta; 5852 struct ieee80211_sta *sta; 5853 bool ap_sta_done = false; 5854 int i; 5855 u32 msk = 0; 5856 5857 if (!vif) { 5858 iwl_mvm_flush_no_vif(mvm, queues, drop); 5859 return; 5860 } 5861 5862 if (!drop && hweight16(vif->active_links) <= 1) { 5863 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5864 struct ieee80211_bss_conf *link_conf; 5865 5866 link_conf = wiphy_dereference(hw->wiphy, 5867 vif->link_conf[link_id]); 5868 if (WARN_ON(!link_conf)) 5869 return; 5870 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5871 drop = true; 5872 } 5873 5874 /* Make sure we're done with the deferred traffic before flushing */ 5875 flush_work(&mvm->add_stream_wk); 5876 5877 mutex_lock(&mvm->mutex); 5878 5879 /* flush the AP-station and all TDLS peers */ 5880 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5881 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5882 lockdep_is_held(&mvm->mutex)); 5883 if (IS_ERR_OR_NULL(sta)) 5884 continue; 5885 5886 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5887 if (mvmsta->vif != vif) 5888 continue; 5889 5890 if (sta == mvmvif->ap_sta) { 5891 if (ap_sta_done) 5892 continue; 5893 ap_sta_done = true; 5894 } 5895 5896 if (drop) { 5897 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5898 mvmsta->tfd_queue_msk)) 5899 IWL_ERR(mvm, "flush request fail\n"); 5900 } else { 5901 if (iwl_mvm_has_new_tx_api(mvm)) 5902 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5903 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5904 msk |= mvmsta->tfd_queue_msk; 5905 } 5906 } 5907 5908 mutex_unlock(&mvm->mutex); 5909 5910 /* this can take a while, and we may need/want other operations 5911 * to succeed while doing this, so do it without the mutex held 5912 */ 5913 if (!drop && !iwl_mvm_has_new_tx_api(mvm)) 5914 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5915 } 5916 5917 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5918 struct ieee80211_sta *sta) 5919 { 5920 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5921 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5922 struct iwl_mvm_link_sta *mvm_link_sta; 5923 struct ieee80211_link_sta *link_sta; 5924 int link_id; 5925 5926 guard(mvm)(mvm); 5927 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5928 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5929 lockdep_is_held(&mvm->mutex)); 5930 if (!mvm_link_sta) 5931 continue; 5932 5933 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5934 mvmsta->tfd_queue_msk)) 5935 IWL_ERR(mvm, "flush request fail\n"); 5936 } 5937 } 5938 5939 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5940 struct survey_info *survey) 5941 { 5942 int chan_idx; 5943 enum nl80211_band band; 5944 int ret; 5945 5946 mutex_lock(&mvm->mutex); 5947 5948 if (!mvm->acs_survey) { 5949 ret = -ENOENT; 5950 goto out; 5951 } 5952 5953 /* Find and return the next entry that has a non-zero active time */ 5954 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5955 struct ieee80211_supported_band *sband = 5956 mvm->hw->wiphy->bands[band]; 5957 5958 if (!sband) 5959 continue; 5960 5961 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5962 struct iwl_mvm_acs_survey_channel *info = 5963 &mvm->acs_survey->bands[band][chan_idx]; 5964 5965 if (!info->time) 5966 continue; 5967 5968 /* Found (the next) channel to report */ 5969 survey->channel = &sband->channels[chan_idx]; 5970 survey->filled = SURVEY_INFO_TIME | 5971 SURVEY_INFO_TIME_BUSY | 5972 SURVEY_INFO_TIME_RX | 5973 SURVEY_INFO_TIME_TX; 5974 survey->time = info->time; 5975 survey->time_busy = info->time_busy; 5976 survey->time_rx = info->time_rx; 5977 survey->time_tx = info->time_tx; 5978 survey->noise = info->noise; 5979 if (survey->noise < 0) 5980 survey->filled |= SURVEY_INFO_NOISE_DBM; 5981 5982 /* Clear time so that channel is only reported once */ 5983 info->time = 0; 5984 5985 ret = 0; 5986 goto out; 5987 } 5988 } 5989 5990 ret = -ENOENT; 5991 5992 out: 5993 mutex_unlock(&mvm->mutex); 5994 5995 return ret; 5996 } 5997 5998 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 5999 struct survey_info *survey) 6000 { 6001 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6002 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6003 WIDE_ID(SYSTEM_GROUP, 6004 SYSTEM_STATISTICS_CMD), 6005 IWL_FW_CMD_VER_UNKNOWN); 6006 6007 memset(survey, 0, sizeof(*survey)); 6008 6009 if (!fw_has_capa(&mvm->fw->ucode_capa, 6010 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6011 return -ENOENT; 6012 6013 /* 6014 * Return the beacon stats at index zero and pass on following indices 6015 * to the function returning the full survey, most likely for ACS 6016 * (Automatic Channel Selection). 6017 */ 6018 if (idx > 0) 6019 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6020 6021 guard(mvm)(mvm); 6022 6023 if (iwl_mvm_firmware_running(mvm)) { 6024 int ret = iwl_mvm_request_statistics(mvm, false); 6025 6026 if (ret) 6027 return ret; 6028 } 6029 6030 survey->filled = SURVEY_INFO_TIME_RX | 6031 SURVEY_INFO_TIME_TX; 6032 6033 survey->time_rx = mvm->accu_radio_stats.rx_time + 6034 mvm->radio_stats.rx_time; 6035 do_div(survey->time_rx, USEC_PER_MSEC); 6036 6037 survey->time_tx = mvm->accu_radio_stats.tx_time + 6038 mvm->radio_stats.tx_time; 6039 do_div(survey->time_tx, USEC_PER_MSEC); 6040 6041 /* the new fw api doesn't support the following fields */ 6042 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6043 return 0; 6044 6045 survey->filled |= SURVEY_INFO_TIME | 6046 SURVEY_INFO_TIME_SCAN; 6047 survey->time = mvm->accu_radio_stats.on_time_rf + 6048 mvm->radio_stats.on_time_rf; 6049 do_div(survey->time, USEC_PER_MSEC); 6050 6051 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6052 mvm->radio_stats.on_time_scan; 6053 do_div(survey->time_scan, USEC_PER_MSEC); 6054 6055 return 0; 6056 } 6057 6058 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6059 { 6060 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6061 u32 gi_ltf; 6062 6063 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6064 case RATE_MCS_CHAN_WIDTH_20: 6065 rinfo->bw = RATE_INFO_BW_20; 6066 break; 6067 case RATE_MCS_CHAN_WIDTH_40: 6068 rinfo->bw = RATE_INFO_BW_40; 6069 break; 6070 case RATE_MCS_CHAN_WIDTH_80: 6071 rinfo->bw = RATE_INFO_BW_80; 6072 break; 6073 case RATE_MCS_CHAN_WIDTH_160: 6074 rinfo->bw = RATE_INFO_BW_160; 6075 break; 6076 case RATE_MCS_CHAN_WIDTH_320: 6077 rinfo->bw = RATE_INFO_BW_320; 6078 break; 6079 } 6080 6081 if (format == RATE_MCS_CCK_MSK || 6082 format == RATE_MCS_LEGACY_OFDM_MSK) { 6083 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6084 6085 /* add the offset needed to get to the legacy ofdm indices */ 6086 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6087 rate += IWL_FIRST_OFDM_RATE; 6088 6089 switch (rate) { 6090 case IWL_RATE_1M_INDEX: 6091 rinfo->legacy = 10; 6092 break; 6093 case IWL_RATE_2M_INDEX: 6094 rinfo->legacy = 20; 6095 break; 6096 case IWL_RATE_5M_INDEX: 6097 rinfo->legacy = 55; 6098 break; 6099 case IWL_RATE_11M_INDEX: 6100 rinfo->legacy = 110; 6101 break; 6102 case IWL_RATE_6M_INDEX: 6103 rinfo->legacy = 60; 6104 break; 6105 case IWL_RATE_9M_INDEX: 6106 rinfo->legacy = 90; 6107 break; 6108 case IWL_RATE_12M_INDEX: 6109 rinfo->legacy = 120; 6110 break; 6111 case IWL_RATE_18M_INDEX: 6112 rinfo->legacy = 180; 6113 break; 6114 case IWL_RATE_24M_INDEX: 6115 rinfo->legacy = 240; 6116 break; 6117 case IWL_RATE_36M_INDEX: 6118 rinfo->legacy = 360; 6119 break; 6120 case IWL_RATE_48M_INDEX: 6121 rinfo->legacy = 480; 6122 break; 6123 case IWL_RATE_54M_INDEX: 6124 rinfo->legacy = 540; 6125 } 6126 return; 6127 } 6128 6129 rinfo->nss = u32_get_bits(rate_n_flags, 6130 RATE_MCS_NSS_MSK) + 1; 6131 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6132 RATE_HT_MCS_INDEX(rate_n_flags) : 6133 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6134 6135 if (rate_n_flags & RATE_MCS_SGI_MSK) 6136 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6137 6138 switch (format) { 6139 case RATE_MCS_EHT_MSK: 6140 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6141 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6142 break; 6143 case RATE_MCS_HE_MSK: 6144 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6145 6146 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6147 6148 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6149 rinfo->bw = RATE_INFO_BW_HE_RU; 6150 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6151 } 6152 6153 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6154 case RATE_MCS_HE_TYPE_SU: 6155 case RATE_MCS_HE_TYPE_EXT_SU: 6156 if (gi_ltf == 0 || gi_ltf == 1) 6157 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6158 else if (gi_ltf == 2) 6159 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6160 else if (gi_ltf == 3) 6161 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6162 else 6163 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6164 break; 6165 case RATE_MCS_HE_TYPE_MU: 6166 if (gi_ltf == 0 || gi_ltf == 1) 6167 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6168 else if (gi_ltf == 2) 6169 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6170 else 6171 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6172 break; 6173 case RATE_MCS_HE_TYPE_TRIG: 6174 if (gi_ltf == 0 || gi_ltf == 1) 6175 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6176 else 6177 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6178 break; 6179 } 6180 6181 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6182 rinfo->he_dcm = 1; 6183 break; 6184 case RATE_MCS_HT_MSK: 6185 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6186 break; 6187 case RATE_MCS_VHT_MSK: 6188 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6189 break; 6190 } 6191 } 6192 6193 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6194 struct ieee80211_vif *vif, 6195 struct ieee80211_sta *sta, 6196 struct station_info *sinfo) 6197 { 6198 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6199 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6200 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6201 int i; 6202 6203 if (mvmsta->deflink.avg_energy) { 6204 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6205 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6206 } 6207 6208 if (iwl_mvm_has_tlc_offload(mvm)) { 6209 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6210 6211 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6212 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6213 } 6214 6215 /* if beacon filtering isn't on mac80211 does it anyway */ 6216 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6217 return; 6218 6219 if (!vif->cfg.assoc) 6220 return; 6221 6222 guard(mvm)(mvm); 6223 6224 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6225 return; 6226 6227 if (iwl_mvm_request_statistics(mvm, false)) 6228 return; 6229 6230 sinfo->rx_beacon = 0; 6231 for_each_mvm_vif_valid_link(mvmvif, i) 6232 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6233 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6234 6235 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6236 if (mvmvif->deflink.beacon_stats.avg_signal) { 6237 /* firmware only reports a value after RXing a few beacons */ 6238 sinfo->rx_beacon_signal_avg = 6239 mvmvif->deflink.beacon_stats.avg_signal; 6240 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6241 } 6242 } 6243 6244 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6245 struct ieee80211_vif *vif, 6246 const struct ieee80211_mlme_event *mlme) 6247 { 6248 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6249 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6250 iwl_dbg_tlv_time_point(&mvm->fwrt, 6251 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6252 NULL); 6253 return; 6254 } 6255 6256 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6257 iwl_dbg_tlv_time_point(&mvm->fwrt, 6258 IWL_FW_INI_TIME_POINT_DEASSOC, 6259 NULL); 6260 return; 6261 } 6262 } 6263 6264 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6265 struct ieee80211_vif *vif, 6266 const struct ieee80211_event *event) 6267 { 6268 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6269 do { \ 6270 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6271 break; \ 6272 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6273 } while (0) 6274 6275 struct iwl_fw_dbg_trigger_tlv *trig; 6276 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6277 6278 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6279 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6280 return; 6281 } 6282 6283 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6284 FW_DBG_TRIGGER_MLME); 6285 if (!trig) 6286 return; 6287 6288 trig_mlme = (void *)trig->data; 6289 6290 if (event->u.mlme.data == ASSOC_EVENT) { 6291 if (event->u.mlme.status == MLME_DENIED) 6292 CHECK_MLME_TRIGGER(stop_assoc_denied, 6293 "DENIED ASSOC: reason %d", 6294 event->u.mlme.reason); 6295 else if (event->u.mlme.status == MLME_TIMEOUT) 6296 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6297 "ASSOC TIMEOUT"); 6298 } else if (event->u.mlme.data == AUTH_EVENT) { 6299 if (event->u.mlme.status == MLME_DENIED) 6300 CHECK_MLME_TRIGGER(stop_auth_denied, 6301 "DENIED AUTH: reason %d", 6302 event->u.mlme.reason); 6303 else if (event->u.mlme.status == MLME_TIMEOUT) 6304 CHECK_MLME_TRIGGER(stop_auth_timeout, 6305 "AUTH TIMEOUT"); 6306 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6307 CHECK_MLME_TRIGGER(stop_rx_deauth, 6308 "DEAUTH RX %d", event->u.mlme.reason); 6309 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6310 CHECK_MLME_TRIGGER(stop_tx_deauth, 6311 "DEAUTH TX %d", event->u.mlme.reason); 6312 } 6313 #undef CHECK_MLME_TRIGGER 6314 } 6315 6316 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6317 struct ieee80211_vif *vif, 6318 const struct ieee80211_event *event) 6319 { 6320 struct iwl_fw_dbg_trigger_tlv *trig; 6321 struct iwl_fw_dbg_trigger_ba *ba_trig; 6322 6323 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6324 FW_DBG_TRIGGER_BA); 6325 if (!trig) 6326 return; 6327 6328 ba_trig = (void *)trig->data; 6329 6330 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6331 return; 6332 6333 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6334 "BAR received from %pM, tid %d, ssn %d", 6335 event->u.ba.sta->addr, event->u.ba.tid, 6336 event->u.ba.ssn); 6337 } 6338 6339 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6340 struct ieee80211_vif *vif, 6341 const struct ieee80211_event *event) 6342 { 6343 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6344 6345 switch (event->type) { 6346 case MLME_EVENT: 6347 iwl_mvm_event_mlme_callback(mvm, vif, event); 6348 break; 6349 case BAR_RX_EVENT: 6350 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6351 break; 6352 case BA_FRAME_TIMEOUT: 6353 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6354 event->u.ba.tid); 6355 break; 6356 default: 6357 break; 6358 } 6359 } 6360 6361 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6362 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6363 enum iwl_mvm_rxq_notif_type type, 6364 bool sync, 6365 const void *data, u32 size) 6366 { 6367 struct { 6368 struct iwl_rxq_sync_cmd cmd; 6369 struct iwl_mvm_internal_rxq_notif notif; 6370 } __packed cmd = { 6371 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6372 .cmd.count = 6373 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6374 size), 6375 .notif.type = type, 6376 .notif.sync = sync, 6377 }; 6378 struct iwl_host_cmd hcmd = { 6379 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6380 .data[0] = &cmd, 6381 .len[0] = sizeof(cmd), 6382 .data[1] = data, 6383 .len[1] = size, 6384 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6385 }; 6386 int ret; 6387 6388 /* size must be a multiple of DWORD */ 6389 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6390 return; 6391 6392 if (!iwl_mvm_has_new_rx_api(mvm)) 6393 return; 6394 6395 if (sync) { 6396 cmd.notif.cookie = mvm->queue_sync_cookie; 6397 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6398 } 6399 6400 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6401 if (ret) { 6402 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6403 goto out; 6404 } 6405 6406 if (sync) { 6407 lockdep_assert_held(&mvm->mutex); 6408 ret = wait_event_timeout(mvm->rx_sync_waitq, 6409 READ_ONCE(mvm->queue_sync_state) == 0 || 6410 iwl_mvm_is_radio_hw_killed(mvm), 6411 SYNC_RX_QUEUE_TIMEOUT); 6412 WARN_ONCE(!ret && !iwl_mvm_is_radio_hw_killed(mvm), 6413 "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6414 mvm->queue_sync_state, 6415 mvm->queue_sync_cookie); 6416 } 6417 6418 out: 6419 if (sync) { 6420 mvm->queue_sync_state = 0; 6421 mvm->queue_sync_cookie++; 6422 } 6423 } 6424 6425 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6426 { 6427 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6428 6429 guard(mvm)(mvm); 6430 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6431 } 6432 6433 int 6434 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6435 struct ieee80211_vif *vif, 6436 struct cfg80211_ftm_responder_stats *stats) 6437 { 6438 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6439 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6440 6441 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6442 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6443 return -EINVAL; 6444 6445 mutex_lock(&mvm->mutex); 6446 *stats = mvm->ftm_resp_stats; 6447 mutex_unlock(&mvm->mutex); 6448 6449 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6450 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6451 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6452 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6453 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6454 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6455 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6456 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6457 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6458 6459 return 0; 6460 } 6461 6462 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6463 struct cfg80211_pmsr_request *request) 6464 { 6465 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6466 6467 guard(mvm)(mvm); 6468 return iwl_mvm_ftm_start(mvm, vif, request); 6469 } 6470 6471 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6472 struct cfg80211_pmsr_request *request) 6473 { 6474 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6475 6476 guard(mvm)(mvm); 6477 iwl_mvm_ftm_abort(mvm, request); 6478 } 6479 6480 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6481 { 6482 u8 protocol = ip_hdr(skb)->protocol; 6483 6484 if (!IS_ENABLED(CONFIG_INET)) 6485 return false; 6486 6487 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6488 } 6489 6490 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6491 struct sk_buff *head, 6492 struct sk_buff *skb) 6493 { 6494 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6495 6496 /* For now don't aggregate IPv6 in AMSDU */ 6497 if (skb->protocol != htons(ETH_P_IP)) 6498 return false; 6499 6500 if (!iwl_mvm_is_csum_supported(mvm)) 6501 return true; 6502 6503 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6504 } 6505 6506 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6507 struct ieee80211_vif *vif, 6508 struct cfg80211_set_hw_timestamp *hwts) 6509 { 6510 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6511 u32 protocols = 0; 6512 6513 /* HW timestamping is only supported for a specific station */ 6514 if (!hwts->macaddr) 6515 return -EOPNOTSUPP; 6516 6517 if (hwts->enable) 6518 protocols = 6519 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6520 6521 guard(mvm)(mvm); 6522 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6523 } 6524 6525 const struct ieee80211_ops iwl_mvm_hw_ops = { 6526 .tx = iwl_mvm_mac_tx, 6527 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6528 .ampdu_action = iwl_mvm_mac_ampdu_action, 6529 .get_antenna = iwl_mvm_op_get_antenna, 6530 .set_antenna = iwl_mvm_op_set_antenna, 6531 .start = iwl_mvm_mac_start, 6532 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6533 .stop = iwl_mvm_mac_stop, 6534 .add_interface = iwl_mvm_mac_add_interface, 6535 .remove_interface = iwl_mvm_mac_remove_interface, 6536 .config = iwl_mvm_mac_config, 6537 .prepare_multicast = iwl_mvm_prepare_multicast, 6538 .configure_filter = iwl_mvm_configure_filter, 6539 .config_iface_filter = iwl_mvm_config_iface_filter, 6540 .bss_info_changed = iwl_mvm_bss_info_changed, 6541 .hw_scan = iwl_mvm_mac_hw_scan, 6542 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6543 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6544 .sta_state = iwl_mvm_mac_sta_state, 6545 .sta_notify = iwl_mvm_mac_sta_notify, 6546 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6547 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6548 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6549 .sta_rc_update = iwl_mvm_sta_rc_update, 6550 .conf_tx = iwl_mvm_mac_conf_tx, 6551 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6552 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6553 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6554 .flush = iwl_mvm_mac_flush, 6555 .flush_sta = iwl_mvm_mac_flush_sta, 6556 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6557 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6558 .set_key = iwl_mvm_mac_set_key, 6559 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6560 .remain_on_channel = iwl_mvm_roc, 6561 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6562 .add_chanctx = iwl_mvm_add_chanctx, 6563 .remove_chanctx = iwl_mvm_remove_chanctx, 6564 .change_chanctx = iwl_mvm_change_chanctx, 6565 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6566 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6567 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6568 6569 .start_ap = iwl_mvm_start_ap, 6570 .stop_ap = iwl_mvm_stop_ap, 6571 .join_ibss = iwl_mvm_start_ibss, 6572 .leave_ibss = iwl_mvm_stop_ibss, 6573 6574 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6575 6576 .set_tim = iwl_mvm_set_tim, 6577 6578 .channel_switch = iwl_mvm_channel_switch, 6579 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6580 .post_channel_switch = iwl_mvm_post_channel_switch, 6581 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6582 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6583 6584 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6585 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6586 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6587 6588 .event_callback = iwl_mvm_mac_event_callback, 6589 6590 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6591 6592 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6593 6594 #ifdef CONFIG_PM_SLEEP 6595 /* look at d3.c */ 6596 .suspend = iwl_mvm_suspend, 6597 .resume = iwl_mvm_resume, 6598 .set_wakeup = iwl_mvm_set_wakeup, 6599 .set_rekey_data = iwl_mvm_set_rekey_data, 6600 #if IS_ENABLED(CONFIG_IPV6) 6601 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6602 #endif 6603 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6604 #endif 6605 .get_survey = iwl_mvm_mac_get_survey, 6606 .sta_statistics = iwl_mvm_mac_sta_statistics, 6607 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6608 .start_pmsr = iwl_mvm_start_pmsr, 6609 .abort_pmsr = iwl_mvm_abort_pmsr, 6610 6611 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6612 #ifdef CONFIG_IWLWIFI_DEBUGFS 6613 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6614 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6615 #endif 6616 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6617 }; 6618