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 #if defined(__FreeBSD__) 16 #include <linux/math64.h> 17 #endif 18 #include <net/mac80211.h> 19 #include <net/ieee80211_radiotap.h> 20 #include <net/tcp.h> 21 #if defined(__FreeBSD__) 22 #include <linux/udp.h> 23 #endif 24 25 #include "iwl-drv.h" 26 #include "iwl-op-mode.h" 27 #include "iwl-io.h" 28 #include "mvm.h" 29 #include "sta.h" 30 #include "time-event.h" 31 #include "iwl-nvm-utils.h" 32 #include "iwl-phy-db.h" 33 #ifdef CONFIG_NL80211_TESTMODE 34 #include "testmode.h" 35 #endif 36 #include "fw/error-dump.h" 37 #include "iwl-prph.h" 38 #include "iwl-nvm-parse.h" 39 #include "time-sync.h" 40 41 #define IWL_MVM_LIMITS(ap) \ 42 { \ 43 .max = 1, \ 44 .types = BIT(NL80211_IFTYPE_STATION), \ 45 }, \ 46 { \ 47 .max = 1, \ 48 .types = ap | \ 49 BIT(NL80211_IFTYPE_P2P_CLIENT) | \ 50 BIT(NL80211_IFTYPE_P2P_GO), \ 51 }, \ 52 { \ 53 .max = 1, \ 54 .types = BIT(NL80211_IFTYPE_P2P_DEVICE), \ 55 } 56 57 static const struct ieee80211_iface_limit iwl_mvm_limits[] = { 58 IWL_MVM_LIMITS(0) 59 }; 60 61 static const struct ieee80211_iface_limit iwl_mvm_limits_ap[] = { 62 IWL_MVM_LIMITS(BIT(NL80211_IFTYPE_AP)) 63 }; 64 65 static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { 66 { 67 .num_different_channels = 2, 68 .max_interfaces = 3, 69 .limits = iwl_mvm_limits, 70 .n_limits = ARRAY_SIZE(iwl_mvm_limits), 71 }, 72 { 73 .num_different_channels = 1, 74 .max_interfaces = 3, 75 .limits = iwl_mvm_limits_ap, 76 .n_limits = ARRAY_SIZE(iwl_mvm_limits_ap), 77 }, 78 }; 79 80 static const struct cfg80211_pmsr_capabilities iwl_mvm_pmsr_capa = { 81 .max_peers = IWL_MVM_TOF_MAX_APS, 82 .report_ap_tsf = 1, 83 .randomize_mac_addr = 1, 84 85 .ftm = { 86 .supported = 1, 87 .asap = 1, 88 .non_asap = 1, 89 .request_lci = 1, 90 .request_civicloc = 1, 91 .trigger_based = 1, 92 .non_trigger_based = 1, 93 .max_bursts_exponent = -1, /* all supported */ 94 .max_ftms_per_burst = 0, /* no limits */ 95 .bandwidths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 96 BIT(NL80211_CHAN_WIDTH_20) | 97 BIT(NL80211_CHAN_WIDTH_40) | 98 BIT(NL80211_CHAN_WIDTH_80) | 99 BIT(NL80211_CHAN_WIDTH_160), 100 .preambles = BIT(NL80211_PREAMBLE_LEGACY) | 101 BIT(NL80211_PREAMBLE_HT) | 102 BIT(NL80211_PREAMBLE_VHT) | 103 BIT(NL80211_PREAMBLE_HE), 104 }, 105 }; 106 107 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 108 enum set_key_cmd cmd, 109 struct ieee80211_vif *vif, 110 struct ieee80211_sta *sta, 111 struct ieee80211_key_conf *key); 112 113 static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) 114 { 115 int i; 116 117 memset(mvm->phy_ctxts, 0, sizeof(mvm->phy_ctxts)); 118 for (i = 0; i < NUM_PHY_CTX; i++) { 119 mvm->phy_ctxts[i].id = i; 120 mvm->phy_ctxts[i].ref = 0; 121 } 122 } 123 124 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 125 const char *alpha2, 126 enum iwl_mcc_source src_id, 127 bool *changed) 128 { 129 struct ieee80211_regdomain *regd = NULL; 130 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 131 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 132 struct iwl_mcc_update_resp_v8 *resp; 133 u8 resp_ver; 134 135 IWL_DEBUG_LAR(mvm, "Getting regdomain data for %s from FW\n", alpha2); 136 137 lockdep_assert_held(&mvm->mutex); 138 139 resp = iwl_mvm_update_mcc(mvm, alpha2, src_id); 140 if (IS_ERR_OR_NULL(resp)) { 141 IWL_DEBUG_LAR(mvm, "Could not get update from FW %d\n", 142 PTR_ERR_OR_ZERO(resp)); 143 resp = NULL; 144 goto out; 145 } 146 147 if (changed) { 148 u32 status = le32_to_cpu(resp->status); 149 150 *changed = (status == MCC_RESP_NEW_CHAN_PROFILE || 151 status == MCC_RESP_ILLEGAL); 152 } 153 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, 154 MCC_UPDATE_CMD, 0); 155 IWL_DEBUG_LAR(mvm, "MCC update response version: %d\n", resp_ver); 156 157 regd = iwl_parse_nvm_mcc_info(mvm->trans->dev, mvm->cfg, 158 __le32_to_cpu(resp->n_channels), 159 resp->channels, 160 __le16_to_cpu(resp->mcc), 161 __le16_to_cpu(resp->geo_info), 162 le32_to_cpu(resp->cap), resp_ver); 163 /* Store the return source id */ 164 src_id = resp->source_id; 165 if (IS_ERR_OR_NULL(regd)) { 166 IWL_DEBUG_LAR(mvm, "Could not get parse update from FW %d\n", 167 PTR_ERR_OR_ZERO(regd)); 168 goto out; 169 } 170 171 IWL_DEBUG_LAR(mvm, "setting alpha2 from FW to %s (0x%x, 0x%x) src=%d\n", 172 regd->alpha2, regd->alpha2[0], regd->alpha2[1], src_id); 173 mvm->lar_regdom_set = true; 174 mvm->mcc_src = src_id; 175 176 /* Some kind of regulatory mess means we need to currently disallow 177 * puncturing in the US and Canada. Do that here, at least until we 178 * figure out the new chanctx APIs for puncturing. 179 */ 180 if (resp->mcc == cpu_to_le16(IWL_MCC_US) || 181 resp->mcc == cpu_to_le16(IWL_MCC_CANADA)) 182 ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING); 183 else 184 __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags); 185 186 iwl_mei_set_country_code(__le16_to_cpu(resp->mcc)); 187 188 out: 189 kfree(resp); 190 return regd; 191 } 192 193 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm) 194 { 195 bool changed; 196 struct ieee80211_regdomain *regd; 197 198 if (!iwl_mvm_is_lar_supported(mvm)) 199 return; 200 201 regd = iwl_mvm_get_current_regdomain(mvm, &changed); 202 if (!IS_ERR_OR_NULL(regd)) { 203 /* only update the regulatory core if changed */ 204 if (changed) 205 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); 206 207 kfree(regd); 208 } 209 } 210 211 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 212 bool *changed) 213 { 214 return iwl_mvm_get_regdomain(mvm->hw->wiphy, "ZZ", 215 iwl_mvm_is_wifi_mcc_supported(mvm) ? 216 MCC_SOURCE_GET_CURRENT : 217 MCC_SOURCE_OLD_FW, changed); 218 } 219 220 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm, bool force_regd_sync) 221 { 222 enum iwl_mcc_source used_src; 223 struct ieee80211_regdomain *regd; 224 int ret; 225 bool changed; 226 const struct ieee80211_regdomain *r = 227 wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); 228 229 if (!r) 230 return -ENOENT; 231 232 /* save the last source in case we overwrite it below */ 233 used_src = mvm->mcc_src; 234 if (iwl_mvm_is_wifi_mcc_supported(mvm)) { 235 /* Notify the firmware we support wifi location updates */ 236 regd = iwl_mvm_get_current_regdomain(mvm, NULL); 237 if (!IS_ERR_OR_NULL(regd)) 238 kfree(regd); 239 } 240 241 /* Now set our last stored MCC and source */ 242 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, r->alpha2, used_src, 243 &changed); 244 if (IS_ERR_OR_NULL(regd)) 245 return -EIO; 246 247 /* update cfg80211 if the regdomain was changed or the caller explicitly 248 * asked to update regdomain 249 */ 250 if (changed || force_regd_sync) 251 ret = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd); 252 else 253 ret = 0; 254 255 kfree(regd); 256 return ret; 257 } 258 259 /* Each capability added here should also be add to tm_if_types_ext_capa_sta */ 260 static const u8 he_if_types_ext_capa_sta[] = { 261 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 262 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT, 263 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 264 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 265 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 266 }; 267 268 static const u8 tm_if_types_ext_capa_sta[] = { 269 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING, 270 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT | 271 WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT, 272 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF | 273 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB, 274 [8] = WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB, 275 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT, 276 }; 277 278 /* Additional interface types for which extended capabilities are 279 * specified separately 280 */ 281 282 #define IWL_MVM_EMLSR_CAPA (IEEE80211_EML_CAP_EMLSR_SUPP | \ 283 IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US << \ 284 __bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \ 285 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \ 286 __bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY)) 287 #define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \ 288 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \ 289 IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME) 290 291 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = { 292 { 293 .iftype = NL80211_IFTYPE_STATION, 294 .extended_capabilities = he_if_types_ext_capa_sta, 295 .extended_capabilities_mask = he_if_types_ext_capa_sta, 296 .extended_capabilities_len = sizeof(he_if_types_ext_capa_sta), 297 /* relevant only if EHT is supported */ 298 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 299 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 300 }, 301 { 302 .iftype = NL80211_IFTYPE_STATION, 303 .extended_capabilities = tm_if_types_ext_capa_sta, 304 .extended_capabilities_mask = tm_if_types_ext_capa_sta, 305 .extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta), 306 /* relevant only if EHT is supported */ 307 .eml_capabilities = IWL_MVM_EMLSR_CAPA, 308 .mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS, 309 }, 310 }; 311 312 int iwl_mvm_op_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 313 { 314 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 315 *tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 316 *rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 317 return 0; 318 } 319 320 int iwl_mvm_op_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) 321 { 322 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 323 324 /* This has been tested on those devices only */ 325 if (mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_9000 && 326 mvm->trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22000) 327 return -EOPNOTSUPP; 328 329 if (!mvm->nvm_data) 330 return -EBUSY; 331 332 /* mac80211 ensures the device is not started, 333 * so the firmware cannot be running 334 */ 335 336 mvm->set_tx_ant = tx_ant; 337 mvm->set_rx_ant = rx_ant; 338 339 iwl_reinit_cab(mvm->trans, mvm->nvm_data, tx_ant, rx_ant, mvm->fw); 340 341 return 0; 342 } 343 344 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 345 { 346 struct ieee80211_hw *hw = mvm->hw; 347 int num_mac, ret, i; 348 static const u32 mvm_ciphers[] = { 349 WLAN_CIPHER_SUITE_WEP40, 350 WLAN_CIPHER_SUITE_WEP104, 351 WLAN_CIPHER_SUITE_TKIP, 352 WLAN_CIPHER_SUITE_CCMP, 353 }; 354 #ifdef CONFIG_PM_SLEEP 355 bool unified = fw_has_capa(&mvm->fw->ucode_capa, 356 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); 357 #endif 358 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 359 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 360 361 /* Tell mac80211 our characteristics */ 362 ieee80211_hw_set(hw, SIGNAL_DBM); 363 ieee80211_hw_set(hw, SPECTRUM_MGMT); 364 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 365 ieee80211_hw_set(hw, WANT_MONITOR_VIF); 366 ieee80211_hw_set(hw, SUPPORTS_PS); 367 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 368 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 369 ieee80211_hw_set(hw, CONNECTION_MONITOR); 370 ieee80211_hw_set(hw, CHANCTX_STA_CSA); 371 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 372 ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS); 373 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 374 ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR); 375 ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW); 376 ieee80211_hw_set(hw, BUFF_MMPDU_TXQ); 377 ieee80211_hw_set(hw, STA_MMPDU_TXQ); 378 379 /* Set this early since we need to have it for the check below */ 380 if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && 381 !iwlwifi_mod_params.disable_11ax && 382 !iwlwifi_mod_params.disable_11be) { 383 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; 384 /* we handle this already earlier, but need it for MLO */ 385 ieee80211_hw_set(hw, HANDLES_QUIET_CSA); 386 } 387 388 /* With MLD FW API, it tracks timing by itself, 389 * no need for any timing from the host 390 */ 391 if (!mvm->mld_api_is_used) 392 ieee80211_hw_set(hw, TIMING_BEACON_ONLY); 393 394 /* 395 * On older devices, enabling TX A-MSDU occasionally leads to 396 * something getting messed up, the command read from the FIFO 397 * gets out of sync and isn't a TX command, so that we have an 398 * assert EDC. 399 * 400 * It's not clear where the bug is, but since we didn't used to 401 * support A-MSDU until moving the mac80211 iTXQs, just leave it 402 * for older devices. We also don't see this issue on any newer 403 * devices. 404 */ 405 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000) 406 ieee80211_hw_set(hw, TX_AMSDU); 407 ieee80211_hw_set(hw, TX_FRAG_LIST); 408 409 if (iwl_mvm_has_tlc_offload(mvm)) { 410 ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); 411 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 412 } 413 414 /* We want to use the mac80211's reorder buffer for 9000 */ 415 if (iwl_mvm_has_new_rx_api(mvm) && 416 mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_9000) 417 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); 418 419 if (fw_has_capa(&mvm->fw->ucode_capa, 420 IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) { 421 ieee80211_hw_set(hw, AP_LINK_PS); 422 } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) { 423 /* 424 * we absolutely need this for the new TX API since that comes 425 * with many more queues than the current code can deal with 426 * for station powersave 427 */ 428 return -EINVAL; 429 } 430 431 if (mvm->trans->num_rx_queues > 1) 432 ieee80211_hw_set(hw, USES_RSS); 433 434 if (mvm->trans->max_skb_frags) 435 hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; 436 437 hw->queues = IEEE80211_NUM_ACS; 438 hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; 439 hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC | 440 IEEE80211_RADIOTAP_MCS_HAVE_STBC; 441 hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC | 442 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED; 443 444 hw->radiotap_timestamp.units_pos = 445 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US | 446 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ; 447 /* this is the case for CCK frames, it's better (only 8) for OFDM */ 448 hw->radiotap_timestamp.accuracy = 22; 449 450 if (!iwl_mvm_has_tlc_offload(mvm)) 451 hw->rate_control_algorithm = RS_NAME; 452 453 hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; 454 hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; 455 hw->max_tx_fragments = mvm->trans->max_skb_frags; 456 457 BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 6); 458 memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); 459 hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); 460 hw->wiphy->cipher_suites = mvm->ciphers; 461 462 if (iwl_mvm_has_new_rx_api(mvm)) { 463 mvm->ciphers[hw->wiphy->n_cipher_suites] = 464 WLAN_CIPHER_SUITE_GCMP; 465 hw->wiphy->n_cipher_suites++; 466 mvm->ciphers[hw->wiphy->n_cipher_suites] = 467 WLAN_CIPHER_SUITE_GCMP_256; 468 hw->wiphy->n_cipher_suites++; 469 } 470 471 if (iwlwifi_mod_params.swcrypto) 472 IWL_ERR(mvm, 473 "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n"); 474 if (!iwlwifi_mod_params.bt_coex_active) 475 IWL_ERR(mvm, 476 "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n"); 477 478 ieee80211_hw_set(hw, MFP_CAPABLE); 479 mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC; 480 hw->wiphy->n_cipher_suites++; 481 if (iwl_mvm_has_new_rx_api(mvm)) { 482 mvm->ciphers[hw->wiphy->n_cipher_suites] = 483 WLAN_CIPHER_SUITE_BIP_GMAC_128; 484 hw->wiphy->n_cipher_suites++; 485 mvm->ciphers[hw->wiphy->n_cipher_suites] = 486 WLAN_CIPHER_SUITE_BIP_GMAC_256; 487 hw->wiphy->n_cipher_suites++; 488 } 489 490 wiphy_ext_feature_set(hw->wiphy, 491 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY); 492 wiphy_ext_feature_set(hw->wiphy, 493 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); 494 495 if (fw_has_capa(&mvm->fw->ucode_capa, 496 IWL_UCODE_TLV_CAPA_FTM_CALIBRATED)) { 497 wiphy_ext_feature_set(hw->wiphy, 498 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER); 499 hw->wiphy->pmsr_capa = &iwl_mvm_pmsr_capa; 500 } 501 502 if (sec_key_ver && 503 fw_has_capa(&mvm->fw->ucode_capa, 504 IWL_UCODE_TLV_CAPA_BIGTK_TX_SUPPORT)) 505 wiphy_ext_feature_set(hw->wiphy, 506 NL80211_EXT_FEATURE_BEACON_PROTECTION); 507 else if (fw_has_capa(&mvm->fw->ucode_capa, 508 IWL_UCODE_TLV_CAPA_BIGTK_SUPPORT)) 509 wiphy_ext_feature_set(hw->wiphy, 510 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT); 511 512 if (fw_has_capa(&mvm->fw->ucode_capa, 513 IWL_UCODE_TLV_CAPA_TIME_SYNC_BOTH_FTM_TM)) 514 hw->wiphy->hw_timestamp_max_peers = 1; 515 516 if (fw_has_capa(&mvm->fw->ucode_capa, 517 IWL_UCODE_TLV_CAPA_SPP_AMSDU_SUPPORT)) 518 wiphy_ext_feature_set(hw->wiphy, 519 NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT); 520 521 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 522 hw->wiphy->features |= 523 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 524 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 525 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 526 527 hw->sta_data_size = sizeof(struct iwl_mvm_sta); 528 hw->vif_data_size = sizeof(struct iwl_mvm_vif); 529 hw->chanctx_data_size = sizeof(u16); 530 hw->txq_data_size = sizeof(struct iwl_mvm_txq); 531 532 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 533 BIT(NL80211_IFTYPE_P2P_CLIENT) | 534 BIT(NL80211_IFTYPE_AP) | 535 BIT(NL80211_IFTYPE_P2P_GO) | 536 BIT(NL80211_IFTYPE_P2P_DEVICE) | 537 BIT(NL80211_IFTYPE_ADHOC); 538 539 hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 540 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); 541 542 /* The new Tx API does not allow to pass the key or keyid of a MPDU to 543 * the hw, preventing us to control which key(id) to use per MPDU. 544 * Till that's fixed we can't use Extended Key ID for the newer cards. 545 */ 546 if (!iwl_mvm_has_new_tx_api(mvm)) 547 wiphy_ext_feature_set(hw->wiphy, 548 NL80211_EXT_FEATURE_EXT_KEY_ID); 549 hw->wiphy->features |= NL80211_FEATURE_HT_IBSS; 550 551 hw->wiphy->regulatory_flags |= REGULATORY_ENABLE_RELAX_NO_IR; 552 if (iwl_mvm_is_lar_supported(mvm)) 553 hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 554 else 555 hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 556 REGULATORY_DISABLE_BEACON_HINTS; 557 558 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 559 wiphy_ext_feature_set(hw->wiphy, 560 NL80211_EXT_FEATURE_DFS_CONCURRENT); 561 562 hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; 563 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 564 hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ; 565 566 hw->wiphy->iface_combinations = iwl_mvm_iface_combinations; 567 hw->wiphy->n_iface_combinations = 568 ARRAY_SIZE(iwl_mvm_iface_combinations); 569 570 hw->wiphy->max_remain_on_channel_duration = 10000; 571 hw->max_listen_interval = IWL_MVM_CONN_LISTEN_INTERVAL; 572 573 /* Extract MAC address */ 574 memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN); 575 hw->wiphy->addresses = mvm->addresses; 576 hw->wiphy->n_addresses = 1; 577 578 /* Extract additional MAC addresses if available */ 579 num_mac = (mvm->nvm_data->n_hw_addrs > 1) ? 580 min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1; 581 582 for (i = 1; i < num_mac; i++) { 583 memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr, 584 ETH_ALEN); 585 mvm->addresses[i].addr[5]++; 586 hw->wiphy->n_addresses++; 587 } 588 589 iwl_mvm_reset_phy_ctxts(mvm); 590 591 hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm); 592 593 hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; 594 595 BUILD_BUG_ON(IWL_MVM_SCAN_STOPPING_MASK & IWL_MVM_SCAN_MASK); 596 BUILD_BUG_ON(IWL_MAX_UMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK) || 597 IWL_MAX_LMAC_SCANS > HWEIGHT32(IWL_MVM_SCAN_MASK)); 598 599 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 600 mvm->max_scans = IWL_MAX_UMAC_SCANS; 601 else 602 mvm->max_scans = IWL_MAX_LMAC_SCANS; 603 604 if (mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels) 605 hw->wiphy->bands[NL80211_BAND_2GHZ] = 606 &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; 607 if (mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels) { 608 hw->wiphy->bands[NL80211_BAND_5GHZ] = 609 &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; 610 611 if (fw_has_capa(&mvm->fw->ucode_capa, 612 IWL_UCODE_TLV_CAPA_BEAMFORMER) && 613 fw_has_api(&mvm->fw->ucode_capa, 614 IWL_UCODE_TLV_API_LQ_SS_PARAMS)) 615 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap |= 616 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; 617 } 618 if (fw_has_capa(&mvm->fw->ucode_capa, 619 IWL_UCODE_TLV_CAPA_PSC_CHAN_SUPPORT) && 620 mvm->nvm_data->bands[NL80211_BAND_6GHZ].n_channels) 621 hw->wiphy->bands[NL80211_BAND_6GHZ] = 622 &mvm->nvm_data->bands[NL80211_BAND_6GHZ]; 623 624 hw->wiphy->hw_version = mvm->trans->hw_id; 625 626 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) 627 hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; 628 else 629 hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; 630 631 hw->wiphy->max_sched_scan_reqs = 1; 632 hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; 633 hw->wiphy->max_match_sets = iwl_umac_scan_get_max_profiles(mvm->fw); 634 /* we create the 802.11 header and zero length SSID IE. */ 635 hw->wiphy->max_sched_scan_ie_len = 636 SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; 637 hw->wiphy->max_sched_scan_plans = IWL_MAX_SCHED_SCAN_PLANS; 638 hw->wiphy->max_sched_scan_plan_interval = U16_MAX; 639 640 /* 641 * the firmware uses u8 for num of iterations, but 0xff is saved for 642 * infinite loop, so the maximum number of iterations is actually 254. 643 */ 644 hw->wiphy->max_sched_scan_plan_iterations = 254; 645 646 hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | 647 NL80211_FEATURE_LOW_PRIORITY_SCAN | 648 NL80211_FEATURE_P2P_GO_OPPPS | 649 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | 650 NL80211_FEATURE_DYNAMIC_SMPS | 651 NL80211_FEATURE_STATIC_SMPS | 652 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; 653 654 if (fw_has_capa(&mvm->fw->ucode_capa, 655 IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)) 656 hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION; 657 if (fw_has_capa(&mvm->fw->ucode_capa, 658 IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)) 659 hw->wiphy->features |= NL80211_FEATURE_QUIET; 660 661 if (fw_has_capa(&mvm->fw->ucode_capa, 662 IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)) 663 hw->wiphy->features |= 664 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES; 665 666 if (fw_has_capa(&mvm->fw->ucode_capa, 667 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) 668 hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES; 669 670 if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_KEK_KCK_MATERIAL, 671 IWL_FW_CMD_VER_UNKNOWN) >= 3) 672 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK; 673 674 if (fw_has_api(&mvm->fw->ucode_capa, 675 IWL_UCODE_TLV_API_SCAN_TSF_REPORT)) { 676 wiphy_ext_feature_set(hw->wiphy, 677 NL80211_EXT_FEATURE_SCAN_START_TIME); 678 wiphy_ext_feature_set(hw->wiphy, 679 NL80211_EXT_FEATURE_BSS_PARENT_TSF); 680 } 681 682 if (iwl_mvm_is_oce_supported(mvm)) { 683 u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, SCAN_REQ_UMAC, 0); 684 685 wiphy_ext_feature_set(hw->wiphy, 686 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); 687 wiphy_ext_feature_set(hw->wiphy, 688 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); 689 wiphy_ext_feature_set(hw->wiphy, 690 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); 691 692 /* Old firmware also supports probe deferral and suppression */ 693 if (scan_ver < 15) 694 wiphy_ext_feature_set(hw->wiphy, 695 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); 696 } 697 698 hw->wiphy->iftype_ext_capab = NULL; 699 hw->wiphy->num_iftype_ext_capab = 0; 700 701 if (mvm->nvm_data->sku_cap_11ax_enable && 702 !iwlwifi_mod_params.disable_11ax) { 703 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa; 704 hw->wiphy->num_iftype_ext_capab = 705 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 706 707 ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); 708 ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID); 709 } 710 711 if (iwl_fw_lookup_cmd_ver(mvm->fw, 712 WIDE_ID(DATA_PATH_GROUP, 713 WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 714 IWL_FW_CMD_VER_UNKNOWN) >= 1) { 715 IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n"); 716 717 if (!hw->wiphy->iftype_ext_capab) { 718 hw->wiphy->num_iftype_ext_capab = 1; 719 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 720 ARRAY_SIZE(add_iftypes_ext_capa) - 1; 721 } else { 722 hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1; 723 } 724 } 725 726 if (iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(LOCATION_GROUP, 727 TOF_RANGE_REQ_CMD), 728 IWL_FW_CMD_VER_UNKNOWN) >= 11) { 729 wiphy_ext_feature_set(hw->wiphy, 730 NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE); 731 732 if (fw_has_capa(&mvm->fw->ucode_capa, 733 IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT)) 734 wiphy_ext_feature_set(hw->wiphy, 735 NL80211_EXT_FEATURE_SECURE_LTF); 736 } 737 738 mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 739 740 ieee80211_hw_set(hw, DISALLOW_PUNCTURING_5GHZ); 741 742 #ifdef CONFIG_PM_SLEEP 743 if ((unified || mvm->fw->img[IWL_UCODE_WOWLAN].num_sec) && 744 device_can_wakeup(mvm->trans->dev)) { 745 mvm->wowlan.flags |= WIPHY_WOWLAN_MAGIC_PKT | 746 WIPHY_WOWLAN_DISCONNECT | 747 WIPHY_WOWLAN_EAP_IDENTITY_REQ | 748 WIPHY_WOWLAN_RFKILL_RELEASE | 749 WIPHY_WOWLAN_NET_DETECT; 750 mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 751 WIPHY_WOWLAN_GTK_REKEY_FAILURE | 752 WIPHY_WOWLAN_4WAY_HANDSHAKE; 753 754 mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS; 755 mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN; 756 mvm->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN; 757 mvm->wowlan.max_nd_match_sets = 758 iwl_umac_scan_get_max_profiles(mvm->fw); 759 hw->wiphy->wowlan = &mvm->wowlan; 760 } 761 #endif 762 763 ret = iwl_mvm_leds_init(mvm); 764 if (ret) 765 return ret; 766 767 if (fw_has_capa(&mvm->fw->ucode_capa, 768 IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { 769 IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); 770 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; 771 ieee80211_hw_set(hw, TDLS_WIDER_BW); 772 } 773 774 if (fw_has_capa(&mvm->fw->ucode_capa, 775 IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH)) { 776 IWL_DEBUG_TDLS(mvm, "TDLS channel switch supported\n"); 777 hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 778 } 779 780 hw->netdev_features |= mvm->cfg->features; 781 if (!iwl_mvm_is_csum_supported(mvm)) 782 hw->netdev_features &= ~IWL_CSUM_NETIF_FLAGS_MASK; 783 784 if (mvm->cfg->vht_mu_mimo_supported) 785 wiphy_ext_feature_set(hw->wiphy, 786 NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER); 787 788 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_PROTECTED_TWT)) 789 wiphy_ext_feature_set(hw->wiphy, 790 NL80211_EXT_FEATURE_PROTECTED_TWT); 791 792 iwl_mvm_vendor_cmds_register(mvm); 793 794 hw->wiphy->available_antennas_tx = iwl_mvm_get_valid_tx_ant(mvm); 795 hw->wiphy->available_antennas_rx = iwl_mvm_get_valid_rx_ant(mvm); 796 797 ret = ieee80211_register_hw(mvm->hw); 798 if (ret) { 799 iwl_mvm_leds_exit(mvm); 800 } 801 802 return ret; 803 } 804 805 static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 806 struct ieee80211_sta *sta) 807 { 808 if (likely(sta)) { 809 if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0)) 810 return; 811 } else { 812 if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0)) 813 return; 814 } 815 816 ieee80211_free_txskb(mvm->hw, skb); 817 } 818 819 void iwl_mvm_mac_tx(struct ieee80211_hw *hw, 820 struct ieee80211_tx_control *control, struct sk_buff *skb) 821 { 822 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 823 struct ieee80211_sta *sta = control->sta; 824 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 825 struct ieee80211_hdr *hdr = (void *)skb->data; 826 bool offchannel = IEEE80211_SKB_CB(skb)->flags & 827 IEEE80211_TX_CTL_TX_OFFCHAN; 828 u32 link_id = u32_get_bits(info->control.flags, 829 IEEE80211_TX_CTRL_MLO_LINK); 830 struct ieee80211_sta *tmp_sta = sta; 831 832 if (iwl_mvm_is_radio_killed(mvm)) { 833 IWL_DEBUG_DROP(mvm, "Dropping - RF/CT KILL\n"); 834 goto drop; 835 } 836 837 if (offchannel && 838 !test_bit(IWL_MVM_STATUS_ROC_P2P_RUNNING, &mvm->status) && 839 !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) 840 goto drop; 841 842 /* 843 * bufferable MMPDUs or MMPDUs on STA interfaces come via TXQs 844 * so we treat the others as broadcast 845 */ 846 if (ieee80211_is_mgmt(hdr->frame_control)) 847 sta = NULL; 848 849 /* If there is no sta, and it's not offchannel - send through AP */ 850 if (!sta && info->control.vif->type == NL80211_IFTYPE_STATION && 851 !offchannel) { 852 struct iwl_mvm_vif *mvmvif = 853 iwl_mvm_vif_from_mac80211(info->control.vif); 854 u8 ap_sta_id = READ_ONCE(mvmvif->deflink.ap_sta_id); 855 856 if (ap_sta_id < mvm->fw->ucode_capa.num_stations) { 857 /* mac80211 holds rcu read lock */ 858 sta = rcu_dereference(mvm->fw_id_to_mac_id[ap_sta_id]); 859 if (IS_ERR_OR_NULL(sta)) 860 goto drop; 861 } 862 } 863 864 if (tmp_sta && !sta && link_id != IEEE80211_LINK_UNSPECIFIED && 865 !ieee80211_is_probe_resp(hdr->frame_control)) { 866 /* translate MLD addresses to LINK addresses */ 867 struct ieee80211_link_sta *link_sta = 868 rcu_dereference(tmp_sta->link[link_id]); 869 struct ieee80211_bss_conf *link_conf = 870 rcu_dereference(info->control.vif->link_conf[link_id]); 871 struct ieee80211_mgmt *mgmt; 872 873 if (WARN_ON(!link_sta || !link_conf)) 874 goto drop; 875 876 /* if sta is NULL, the frame is a management frame */ 877 mgmt = (void *)hdr; 878 memcpy(mgmt->da, link_sta->addr, ETH_ALEN); 879 memcpy(mgmt->sa, link_conf->addr, ETH_ALEN); 880 memcpy(mgmt->bssid, link_conf->bssid, ETH_ALEN); 881 } 882 883 iwl_mvm_tx_skb(mvm, skb, sta); 884 return; 885 drop: 886 ieee80211_free_txskb(hw, skb); 887 } 888 889 void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq) 890 { 891 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 892 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 893 struct sk_buff *skb = NULL; 894 895 /* 896 * No need for threads to be pending here, they can leave the first 897 * taker all the work. 898 * 899 * mvmtxq->tx_request logic: 900 * 901 * If 0, no one is currently TXing, set to 1 to indicate current thread 902 * will now start TX and other threads should quit. 903 * 904 * If 1, another thread is currently TXing, set to 2 to indicate to 905 * that thread that there was another request. Since that request may 906 * have raced with the check whether the queue is empty, the TXing 907 * thread should check the queue's status one more time before leaving. 908 * This check is done in order to not leave any TX hanging in the queue 909 * until the next TX invocation (which may not even happen). 910 * 911 * If 2, another thread is currently TXing, and it will already double 912 * check the queue, so do nothing. 913 */ 914 if (atomic_fetch_add_unless(&mvmtxq->tx_request, 1, 2)) 915 return; 916 917 rcu_read_lock(); 918 do { 919 while (likely(!test_bit(IWL_MVM_TXQ_STATE_STOP_FULL, 920 &mvmtxq->state) && 921 !test_bit(IWL_MVM_TXQ_STATE_STOP_REDIRECT, 922 &mvmtxq->state) && 923 !test_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, 924 &mvmtxq->state) && 925 !test_bit(IWL_MVM_STATUS_IN_D3, &mvm->status))) { 926 skb = ieee80211_tx_dequeue(hw, txq); 927 928 if (!skb) { 929 if (txq->sta) 930 IWL_DEBUG_TX(mvm, 931 "TXQ of sta %pM tid %d is now empty\n", 932 txq->sta->addr, 933 txq->tid); 934 break; 935 } 936 937 iwl_mvm_tx_skb(mvm, skb, txq->sta); 938 } 939 } while (atomic_dec_return(&mvmtxq->tx_request)); 940 rcu_read_unlock(); 941 } 942 943 void iwl_mvm_mac_wake_tx_queue(struct ieee80211_hw *hw, 944 struct ieee80211_txq *txq) 945 { 946 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 947 struct iwl_mvm_txq *mvmtxq = iwl_mvm_txq_from_mac80211(txq); 948 949 if (likely(test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) || 950 !txq->sta) { 951 iwl_mvm_mac_itxq_xmit(hw, txq); 952 return; 953 } 954 955 /* iwl_mvm_mac_itxq_xmit() will later be called by the worker 956 * to handle any packets we leave on the txq now 957 */ 958 959 spin_lock_bh(&mvm->add_stream_lock); 960 /* The list is being deleted only after the queue is fully allocated. */ 961 if (list_empty(&mvmtxq->list) && 962 /* recheck under lock */ 963 !test_bit(IWL_MVM_TXQ_STATE_READY, &mvmtxq->state)) { 964 list_add_tail(&mvmtxq->list, &mvm->add_stream_txqs); 965 schedule_work(&mvm->add_stream_wk); 966 } 967 spin_unlock_bh(&mvm->add_stream_lock); 968 } 969 970 #define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \ 971 do { \ 972 if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \ 973 break; \ 974 iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \ 975 } while (0) 976 977 static void 978 iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 979 struct ieee80211_sta *sta, u16 tid, u16 rx_ba_ssn, 980 enum ieee80211_ampdu_mlme_action action) 981 { 982 struct iwl_fw_dbg_trigger_tlv *trig; 983 struct iwl_fw_dbg_trigger_ba *ba_trig; 984 985 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 986 FW_DBG_TRIGGER_BA); 987 if (!trig) 988 return; 989 990 ba_trig = (void *)trig->data; 991 992 switch (action) { 993 case IEEE80211_AMPDU_TX_OPERATIONAL: { 994 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 995 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 996 997 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_start, tid, 998 "TX AGG START: MAC %pM tid %d ssn %d\n", 999 sta->addr, tid, tid_data->ssn); 1000 break; 1001 } 1002 case IEEE80211_AMPDU_TX_STOP_CONT: 1003 CHECK_BA_TRIGGER(mvm, trig, ba_trig->tx_ba_stop, tid, 1004 "TX AGG STOP: MAC %pM tid %d\n", 1005 sta->addr, tid); 1006 break; 1007 case IEEE80211_AMPDU_RX_START: 1008 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_start, tid, 1009 "RX AGG START: MAC %pM tid %d ssn %d\n", 1010 sta->addr, tid, rx_ba_ssn); 1011 break; 1012 case IEEE80211_AMPDU_RX_STOP: 1013 CHECK_BA_TRIGGER(mvm, trig, ba_trig->rx_ba_stop, tid, 1014 "RX AGG STOP: MAC %pM tid %d\n", 1015 sta->addr, tid); 1016 break; 1017 default: 1018 break; 1019 } 1020 } 1021 1022 int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, 1023 struct ieee80211_vif *vif, 1024 struct ieee80211_ampdu_params *params) 1025 { 1026 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1027 int ret; 1028 struct ieee80211_sta *sta = params->sta; 1029 enum ieee80211_ampdu_mlme_action action = params->action; 1030 u16 tid = params->tid; 1031 u16 *ssn = ¶ms->ssn; 1032 u16 buf_size = params->buf_size; 1033 bool amsdu = params->amsdu; 1034 u16 timeout = params->timeout; 1035 1036 IWL_DEBUG_HT(mvm, "A-MPDU action on addr %pM tid %d: action %d\n", 1037 sta->addr, tid, action); 1038 1039 if (!(mvm->nvm_data->sku_cap_11n_enable)) 1040 return -EACCES; 1041 1042 mutex_lock(&mvm->mutex); 1043 1044 switch (action) { 1045 case IEEE80211_AMPDU_RX_START: 1046 if (iwl_mvm_vif_from_mac80211(vif)->deflink.ap_sta_id == 1047 iwl_mvm_sta_from_mac80211(sta)->deflink.sta_id) { 1048 struct iwl_mvm_vif *mvmvif; 1049 u16 macid = iwl_mvm_vif_from_mac80211(vif)->id; 1050 struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[macid]; 1051 1052 mdata->opened_rx_ba_sessions = true; 1053 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1054 cancel_delayed_work(&mvmvif->uapsd_nonagg_detected_wk); 1055 } 1056 if (!iwl_enable_rx_ampdu()) { 1057 ret = -EINVAL; 1058 break; 1059 } 1060 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, *ssn, true, buf_size, 1061 timeout); 1062 break; 1063 case IEEE80211_AMPDU_RX_STOP: 1064 ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false, buf_size, 1065 timeout); 1066 break; 1067 case IEEE80211_AMPDU_TX_START: 1068 if (!iwl_enable_tx_ampdu()) { 1069 ret = -EINVAL; 1070 break; 1071 } 1072 ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn); 1073 break; 1074 case IEEE80211_AMPDU_TX_STOP_CONT: 1075 ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid); 1076 break; 1077 case IEEE80211_AMPDU_TX_STOP_FLUSH: 1078 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 1079 ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid); 1080 break; 1081 case IEEE80211_AMPDU_TX_OPERATIONAL: 1082 ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, 1083 buf_size, amsdu); 1084 break; 1085 default: 1086 WARN_ON_ONCE(1); 1087 ret = -EINVAL; 1088 break; 1089 } 1090 1091 if (!ret) { 1092 u16 rx_ba_ssn = 0; 1093 1094 if (action == IEEE80211_AMPDU_RX_START) 1095 rx_ba_ssn = *ssn; 1096 1097 iwl_mvm_ampdu_check_trigger(mvm, vif, sta, tid, 1098 rx_ba_ssn, action); 1099 } 1100 mutex_unlock(&mvm->mutex); 1101 1102 return ret; 1103 } 1104 1105 static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, 1106 struct ieee80211_vif *vif) 1107 { 1108 struct iwl_mvm *mvm = data; 1109 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1110 struct iwl_probe_resp_data *probe_data; 1111 unsigned int link_id; 1112 1113 mvmvif->uploaded = false; 1114 1115 spin_lock_bh(&mvm->time_event_lock); 1116 iwl_mvm_te_clear_data(mvm, &mvmvif->time_event_data); 1117 spin_unlock_bh(&mvm->time_event_lock); 1118 1119 mvmvif->roc_activity = ROC_NUM_ACTIVITIES; 1120 1121 mvmvif->bf_enabled = false; 1122 mvmvif->ba_enabled = false; 1123 mvmvif->ap_sta = NULL; 1124 1125 mvmvif->esr_active = false; 1126 vif->driver_flags &= ~IEEE80211_VIF_EML_ACTIVE; 1127 1128 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1129 mvmvif->link[link_id]->ap_sta_id = IWL_MVM_INVALID_STA; 1130 mvmvif->link[link_id]->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1131 mvmvif->link[link_id]->phy_ctxt = NULL; 1132 mvmvif->link[link_id]->active = 0; 1133 mvmvif->link[link_id]->igtk = NULL; 1134 memset(&mvmvif->link[link_id]->bf_data, 0, 1135 sizeof(mvmvif->link[link_id]->bf_data)); 1136 } 1137 1138 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1139 lockdep_is_held(&mvm->mutex)); 1140 if (probe_data) 1141 kfree_rcu(probe_data, rcu_head); 1142 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1143 } 1144 1145 static void iwl_mvm_cleanup_sta_iterator(void *data, struct ieee80211_sta *sta) 1146 { 1147 struct iwl_mvm *mvm = data; 1148 struct iwl_mvm_sta *mvm_sta; 1149 struct ieee80211_vif *vif; 1150 int link_id; 1151 1152 mvm_sta = iwl_mvm_sta_from_mac80211(sta); 1153 vif = mvm_sta->vif; 1154 1155 if (!sta->valid_links) 1156 return; 1157 1158 for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++) { 1159 struct iwl_mvm_link_sta *mvm_link_sta; 1160 1161 mvm_link_sta = 1162 rcu_dereference_check(mvm_sta->link[link_id], 1163 lockdep_is_held(&mvm->mutex)); 1164 if (mvm_link_sta && !(vif->active_links & BIT(link_id))) { 1165 /* 1166 * We have a link STA but the link is inactive in 1167 * mac80211. This will happen if we failed to 1168 * deactivate the link but mac80211 roll back the 1169 * deactivation of the link. 1170 * Delete the stale data to avoid issues later on. 1171 */ 1172 iwl_mvm_mld_free_sta_link(mvm, mvm_sta, mvm_link_sta, 1173 link_id, false); 1174 } 1175 } 1176 } 1177 1178 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) 1179 { 1180 iwl_mvm_stop_device(mvm); 1181 1182 mvm->cur_aid = 0; 1183 1184 mvm->scan_status = 0; 1185 mvm->ps_disabled = false; 1186 mvm->rfkill_safe_init_done = false; 1187 1188 /* just in case one was running */ 1189 iwl_mvm_cleanup_roc_te(mvm); 1190 ieee80211_remain_on_channel_expired(mvm->hw); 1191 1192 iwl_mvm_ftm_restart(mvm); 1193 1194 /* 1195 * cleanup all interfaces, even inactive ones, as some might have 1196 * gone down during the HW restart 1197 */ 1198 ieee80211_iterate_interfaces(mvm->hw, 0, iwl_mvm_cleanup_iterator, mvm); 1199 1200 /* cleanup stations as links may be gone after restart */ 1201 ieee80211_iterate_stations_atomic(mvm->hw, 1202 iwl_mvm_cleanup_sta_iterator, mvm); 1203 1204 mvm->p2p_device_vif = NULL; 1205 1206 iwl_mvm_reset_phy_ctxts(mvm); 1207 memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); 1208 memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); 1209 memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); 1210 1211 ieee80211_wake_queues(mvm->hw); 1212 1213 mvm->rx_ba_sessions = 0; 1214 mvm->fwrt.dump.conf = FW_DBG_INVALID; 1215 mvm->monitor_on = false; 1216 #ifdef CONFIG_IWLWIFI_DEBUGFS 1217 mvm->beacon_inject_active = false; 1218 #endif 1219 1220 /* keep statistics ticking */ 1221 iwl_mvm_accu_radio_stats(mvm); 1222 } 1223 1224 int __iwl_mvm_mac_start(struct iwl_mvm *mvm) 1225 { 1226 bool fast_resume = false; 1227 int ret; 1228 1229 lockdep_assert_held(&mvm->mutex); 1230 1231 ret = iwl_mvm_mei_get_ownership(mvm); 1232 if (ret) 1233 return ret; 1234 1235 if (mvm->mei_nvm_data) { 1236 /* We got the NIC, we can now free the MEI NVM data */ 1237 kfree(mvm->mei_nvm_data); 1238 mvm->mei_nvm_data = NULL; 1239 1240 /* 1241 * We can't free the nvm_data we allocated based on the SAP 1242 * data because we registered to cfg80211 with the channels 1243 * allocated on mvm->nvm_data. Keep a pointer in temp_nvm_data 1244 * just in order to be able free it later. 1245 * NULLify nvm_data so that we will read the NVM from the 1246 * firmware this time. 1247 */ 1248 mvm->temp_nvm_data = mvm->nvm_data; 1249 mvm->nvm_data = NULL; 1250 } 1251 1252 #ifdef CONFIG_PM 1253 /* fast_resume will be cleared by iwl_mvm_fast_resume */ 1254 fast_resume = mvm->fast_resume; 1255 1256 if (fast_resume) { 1257 ret = iwl_mvm_fast_resume(mvm); 1258 if (ret) { 1259 iwl_mvm_stop_device(mvm); 1260 /* iwl_mvm_up() will be called further down */ 1261 } else { 1262 /* 1263 * We clear IWL_MVM_STATUS_FIRMWARE_RUNNING upon 1264 * mac_down() so that debugfs will stop honoring 1265 * requests after we flush all the workers. 1266 * Set the IWL_MVM_STATUS_FIRMWARE_RUNNING bit again 1267 * now that we are back. This is a bit abusing the 1268 * flag since the firmware wasn't really ever stopped, 1269 * but this still serves the purpose. 1270 */ 1271 set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1272 } 1273 } 1274 #endif /* CONFIG_PM */ 1275 1276 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { 1277 /* 1278 * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART 1279 * so later code will - from now on - see that we're doing it. 1280 */ 1281 set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1282 clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 1283 /* Clean up some internal and mac80211 state on restart */ 1284 iwl_mvm_restart_cleanup(mvm); 1285 } 1286 1287 /* we also want to load the firmware if fast_resume failed */ 1288 if (!fast_resume || ret) 1289 ret = iwl_mvm_up(mvm); 1290 1291 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_POST_INIT, 1292 NULL); 1293 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_PERIODIC, 1294 NULL); 1295 1296 mvm->last_reset_or_resume_time_jiffies = jiffies; 1297 1298 if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1299 /* Something went wrong - we need to finish some cleanup 1300 * that normally iwl_mvm_mac_restart_complete() below 1301 * would do. 1302 */ 1303 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1304 } 1305 1306 return ret; 1307 } 1308 1309 int iwl_mvm_mac_start(struct ieee80211_hw *hw) 1310 { 1311 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1312 int ret; 1313 1314 mutex_lock(&mvm->mutex); 1315 1316 /* we are starting the mac not in error flow, and restart is enabled */ 1317 if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && 1318 iwlwifi_mod_params.fw_restart) { 1319 /* 1320 * This will prevent mac80211 recovery flows to trigger during 1321 * init failures 1322 */ 1323 set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1324 } 1325 1326 ret = __iwl_mvm_mac_start(mvm); 1327 clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); 1328 1329 mutex_unlock(&mvm->mutex); 1330 1331 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1332 1333 return ret; 1334 } 1335 1336 static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 1337 { 1338 int ret; 1339 1340 guard(mvm)(mvm); 1341 1342 clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); 1343 1344 ret = iwl_mvm_update_quotas(mvm, true, NULL); 1345 if (ret) 1346 IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n", 1347 ret); 1348 1349 iwl_mvm_send_recovery_cmd(mvm, ERROR_RECOVERY_END_OF_RECOVERY); 1350 1351 /* 1352 * If we have TDLS peers, remove them. We don't know the last seqno/PN 1353 * of packets the FW sent out, so we must reconnect. 1354 */ 1355 iwl_mvm_teardown_tdls_peers(mvm); 1356 } 1357 1358 void iwl_mvm_mac_reconfig_complete(struct ieee80211_hw *hw, 1359 enum ieee80211_reconfig_type reconfig_type) 1360 { 1361 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1362 1363 switch (reconfig_type) { 1364 case IEEE80211_RECONFIG_TYPE_RESTART: 1365 iwl_mvm_restart_complete(mvm); 1366 break; 1367 case IEEE80211_RECONFIG_TYPE_SUSPEND: 1368 break; 1369 } 1370 } 1371 1372 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm, bool suspend) 1373 { 1374 lockdep_assert_held(&mvm->mutex); 1375 1376 iwl_mvm_ftm_initiator_smooth_stop(mvm); 1377 1378 /* firmware counters are obviously reset now, but we shouldn't 1379 * partially track so also clear the fw_reset_accu counters. 1380 */ 1381 memset(&mvm->accu_radio_stats, 0, sizeof(mvm->accu_radio_stats)); 1382 1383 /* async_handlers_wk is now blocked */ 1384 1385 if (!iwl_mvm_has_new_station_api(mvm->fw)) 1386 iwl_mvm_rm_aux_sta(mvm); 1387 1388 if (suspend && 1389 mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 1390 iwl_mvm_fast_suspend(mvm); 1391 else 1392 iwl_mvm_stop_device(mvm); 1393 1394 iwl_mvm_async_handlers_purge(mvm); 1395 /* async_handlers_list is empty and will stay empty: HW is stopped */ 1396 1397 /* 1398 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the 1399 * hw (as restart_complete() won't be called in this case) and mac80211 1400 * won't execute the restart. 1401 * But make sure to cleanup interfaces that have gone down before/during 1402 * HW restart was requested. 1403 */ 1404 if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) || 1405 test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1406 &mvm->status)) 1407 ieee80211_iterate_interfaces(mvm->hw, 0, 1408 iwl_mvm_cleanup_iterator, mvm); 1409 1410 /* We shouldn't have any UIDs still set. Loop over all the UIDs to 1411 * make sure there's nothing left there and warn if any is found. 1412 */ 1413 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { 1414 int i; 1415 1416 for (i = 0; i < mvm->max_scans; i++) { 1417 if (WARN_ONCE(mvm->scan_uid_status[i], 1418 "UMAC scan UID %d status was not cleaned\n", 1419 i)) 1420 mvm->scan_uid_status[i] = 0; 1421 } 1422 } 1423 } 1424 1425 void iwl_mvm_mac_stop(struct ieee80211_hw *hw, bool suspend) 1426 { 1427 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1428 1429 /* Stop internal MLO scan, if running */ 1430 mutex_lock(&mvm->mutex); 1431 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); 1432 mutex_unlock(&mvm->mutex); 1433 1434 wiphy_work_cancel(mvm->hw->wiphy, &mvm->trig_link_selection_wk); 1435 wiphy_work_flush(mvm->hw->wiphy, &mvm->async_handlers_wiphy_wk); 1436 flush_work(&mvm->async_handlers_wk); 1437 flush_work(&mvm->add_stream_wk); 1438 1439 /* 1440 * Lock and clear the firmware running bit here already, so that 1441 * new commands coming in elsewhere, e.g. from debugfs, will not 1442 * be able to proceed. This is important here because one of those 1443 * debugfs files causes the firmware dump to be triggered, and if we 1444 * don't stop debugfs accesses before canceling that it could be 1445 * retriggered after we flush it but before we've cleared the bit. 1446 */ 1447 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1448 1449 cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); 1450 cancel_delayed_work_sync(&mvm->scan_timeout_dwork); 1451 1452 /* 1453 * The work item could be running or queued if the 1454 * ROC time event stops just as we get here. 1455 */ 1456 flush_work(&mvm->roc_done_wk); 1457 1458 iwl_mvm_mei_set_sw_rfkill_state(mvm); 1459 1460 mutex_lock(&mvm->mutex); 1461 __iwl_mvm_mac_stop(mvm, suspend); 1462 mutex_unlock(&mvm->mutex); 1463 1464 /* 1465 * The worker might have been waiting for the mutex, let it run and 1466 * discover that its list is now empty. 1467 */ 1468 cancel_work_sync(&mvm->async_handlers_wk); 1469 wiphy_work_cancel(hw->wiphy, &mvm->async_handlers_wiphy_wk); 1470 } 1471 1472 struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm) 1473 { 1474 u16 i; 1475 1476 lockdep_assert_held(&mvm->mutex); 1477 1478 for (i = 0; i < NUM_PHY_CTX; i++) 1479 if (!mvm->phy_ctxts[i].ref) 1480 return &mvm->phy_ctxts[i]; 1481 1482 IWL_ERR(mvm, "No available PHY context\n"); 1483 return NULL; 1484 } 1485 1486 int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1487 s16 tx_power) 1488 { 1489 u32 cmd_id = REDUCE_TX_POWER_CMD; 1490 int len; 1491 struct iwl_dev_tx_power_cmd cmd = { 1492 .common.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), 1493 .common.mac_context_id = 1494 cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), 1495 .common.pwr_restriction = cpu_to_le16(8 * tx_power), 1496 }; 1497 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 1498 IWL_FW_CMD_VER_UNKNOWN); 1499 1500 if (tx_power == IWL_DEFAULT_MAX_TX_POWER) 1501 cmd.common.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); 1502 1503 if (cmd_ver == 8) 1504 len = sizeof(cmd.v8); 1505 else if (cmd_ver == 7) 1506 len = sizeof(cmd.v7); 1507 else if (cmd_ver == 6) 1508 len = sizeof(cmd.v6); 1509 else if (fw_has_api(&mvm->fw->ucode_capa, 1510 IWL_UCODE_TLV_API_REDUCE_TX_POWER)) 1511 len = sizeof(cmd.v5); 1512 else if (fw_has_capa(&mvm->fw->ucode_capa, 1513 IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) 1514 len = sizeof(cmd.v4); 1515 else 1516 len = sizeof(cmd.v3); 1517 1518 /* all structs have the same common part, add it */ 1519 len += sizeof(cmd.common); 1520 1521 return iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, len, &cmd); 1522 } 1523 1524 static void iwl_mvm_post_csa_tx(void *data, struct ieee80211_sta *sta) 1525 { 1526 struct ieee80211_hw *hw = data; 1527 int i; 1528 1529 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 1530 struct iwl_mvm_txq *mvmtxq = 1531 iwl_mvm_txq_from_mac80211(sta->txq[i]); 1532 1533 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1534 iwl_mvm_mac_itxq_xmit(hw, sta->txq[i]); 1535 } 1536 } 1537 1538 int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 1539 struct ieee80211_vif *vif, 1540 struct ieee80211_bss_conf *link_conf) 1541 { 1542 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1543 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1544 int ret; 1545 1546 mutex_lock(&mvm->mutex); 1547 1548 if (vif->type == NL80211_IFTYPE_STATION) { 1549 struct iwl_mvm_sta *mvmsta; 1550 unsigned int link_id = link_conf->link_id; 1551 u8 ap_sta_id = mvmvif->link[link_id]->ap_sta_id; 1552 1553 mvmvif->csa_bcn_pending = false; 1554 mvmvif->csa_blocks_tx = false; 1555 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); 1556 1557 if (WARN_ON(!mvmsta)) { 1558 ret = -EIO; 1559 goto out_unlock; 1560 } 1561 1562 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 1563 if (mvm->mld_api_is_used) 1564 iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false); 1565 else 1566 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 1567 1568 if (!fw_has_capa(&mvm->fw->ucode_capa, 1569 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 1570 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 1571 if (ret) 1572 goto out_unlock; 1573 1574 iwl_mvm_stop_session_protection(mvm, vif); 1575 } 1576 } else if (vif->type == NL80211_IFTYPE_AP && mvmvif->csa_blocks_tx) { 1577 struct iwl_mvm_txq *mvmtxq = 1578 iwl_mvm_txq_from_mac80211(vif->txq); 1579 1580 clear_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 1581 1582 local_bh_disable(); 1583 iwl_mvm_mac_itxq_xmit(hw, vif->txq); 1584 ieee80211_iterate_stations_atomic(hw, iwl_mvm_post_csa_tx, hw); 1585 local_bh_enable(); 1586 1587 mvmvif->csa_blocks_tx = false; 1588 } 1589 1590 mvmvif->ps_disabled = false; 1591 1592 ret = iwl_mvm_power_update_ps(mvm); 1593 1594 out_unlock: 1595 if (mvmvif->csa_failed) 1596 ret = -EIO; 1597 mutex_unlock(&mvm->mutex); 1598 1599 return ret; 1600 } 1601 1602 void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw, 1603 struct ieee80211_vif *vif, 1604 struct ieee80211_bss_conf *link_conf) 1605 { 1606 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1607 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1608 struct iwl_chan_switch_te_cmd cmd = { 1609 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 1610 mvmvif->color)), 1611 .action = cpu_to_le32(FW_CTXT_ACTION_REMOVE), 1612 }; 1613 1614 /* 1615 * In the new flow since FW is in charge of the timing, 1616 * if driver has canceled the channel switch he will receive the 1617 * CHANNEL_SWITCH_START_NOTIF notification from FW and then cancel it 1618 */ 1619 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 1620 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 1621 return; 1622 1623 IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id); 1624 1625 mutex_lock(&mvm->mutex); 1626 if (!fw_has_capa(&mvm->fw->ucode_capa, 1627 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 1628 iwl_mvm_remove_csa_period(mvm, vif); 1629 else 1630 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 1631 WIDE_ID(MAC_CONF_GROUP, 1632 CHANNEL_SWITCH_TIME_EVENT_CMD), 1633 0, sizeof(cmd), &cmd)); 1634 mvmvif->csa_failed = true; 1635 mutex_unlock(&mvm->mutex); 1636 1637 /* If we're here, we can't support MLD */ 1638 iwl_mvm_post_channel_switch(hw, vif, &vif->bss_conf); 1639 } 1640 1641 void iwl_mvm_channel_switch_disconnect_wk(struct work_struct *wk) 1642 { 1643 struct iwl_mvm_vif *mvmvif; 1644 struct ieee80211_vif *vif; 1645 1646 mvmvif = container_of(wk, struct iwl_mvm_vif, csa_work.work); 1647 vif = container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1648 1649 /* Trigger disconnect (should clear the CSA state) */ 1650 ieee80211_chswitch_done(vif, false, 0); 1651 } 1652 1653 static u8 1654 iwl_mvm_chandef_get_primary_80(struct cfg80211_chan_def *chandef) 1655 { 1656 int data_start; 1657 int control_start; 1658 int bw; 1659 1660 if (chandef->width == NL80211_CHAN_WIDTH_320) 1661 bw = 320; 1662 else if (chandef->width == NL80211_CHAN_WIDTH_160) 1663 bw = 160; 1664 else 1665 return 0; 1666 1667 /* data is bw wide so the start is half the width */ 1668 data_start = chandef->center_freq1 - bw / 2; 1669 /* control is 20Mhz width */ 1670 control_start = chandef->chan->center_freq - 10; 1671 1672 return (control_start - data_start) / 80; 1673 } 1674 1675 static int iwl_mvm_alloc_bcast_mcast_sta(struct iwl_mvm *mvm, 1676 struct ieee80211_vif *vif) 1677 { 1678 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1679 int ret; 1680 1681 lockdep_assert_held(&mvm->mutex); 1682 1683 ret = iwl_mvm_alloc_bcast_sta(mvm, vif); 1684 if (ret) { 1685 IWL_ERR(mvm, "Failed to allocate bcast sta\n"); 1686 return ret; 1687 } 1688 1689 /* Only queue for this station is the mcast queue, 1690 * which shouldn't be in TFD mask anyway 1691 */ 1692 return iwl_mvm_allocate_int_sta(mvm, &mvmvif->deflink.mcast_sta, 0, 1693 vif->type, 1694 IWL_STA_MULTICAST); 1695 } 1696 1697 static void iwl_mvm_prevent_esr_done_wk(struct wiphy *wiphy, 1698 struct wiphy_work *wk) 1699 { 1700 struct iwl_mvm_vif *mvmvif = 1701 container_of(wk, struct iwl_mvm_vif, prevent_esr_done_wk.work); 1702 struct iwl_mvm *mvm = mvmvif->mvm; 1703 struct ieee80211_vif *vif = 1704 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1705 1706 guard(mvm)(mvm); 1707 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_PREVENTION); 1708 } 1709 1710 static void iwl_mvm_mlo_int_scan_wk(struct wiphy *wiphy, struct wiphy_work *wk) 1711 { 1712 struct iwl_mvm_vif *mvmvif = container_of(wk, struct iwl_mvm_vif, 1713 mlo_int_scan_wk.work); 1714 struct ieee80211_vif *vif = 1715 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1716 1717 guard(mvm)(mvmvif->mvm); 1718 iwl_mvm_int_mlo_scan(mvmvif->mvm, vif); 1719 } 1720 1721 static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) 1722 { 1723 struct iwl_mvm_vif *mvmvif = 1724 container_of(wk, struct iwl_mvm_vif, unblock_esr_tpt_wk); 1725 struct iwl_mvm *mvm = mvmvif->mvm; 1726 struct ieee80211_vif *vif = 1727 container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); 1728 1729 guard(mvm)(mvm); 1730 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); 1731 } 1732 1733 void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) 1734 { 1735 lockdep_assert_held(&mvm->mutex); 1736 1737 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1738 return; 1739 1740 INIT_DELAYED_WORK(&mvmvif->csa_work, 1741 iwl_mvm_channel_switch_disconnect_wk); 1742 1743 wiphy_delayed_work_init(&mvmvif->prevent_esr_done_wk, 1744 iwl_mvm_prevent_esr_done_wk); 1745 1746 wiphy_delayed_work_init(&mvmvif->mlo_int_scan_wk, 1747 iwl_mvm_mlo_int_scan_wk); 1748 1749 wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, 1750 iwl_mvm_unblock_esr_tpt); 1751 } 1752 1753 static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, 1754 struct ieee80211_vif *vif) 1755 { 1756 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1757 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1758 int ret; 1759 int i; 1760 1761 mutex_lock(&mvm->mutex); 1762 1763 iwl_mvm_mac_init_mvmvif(mvm, mvmvif); 1764 1765 mvmvif->mvm = mvm; 1766 1767 /* the first link always points to the default one */ 1768 mvmvif->deflink.fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; 1769 mvmvif->deflink.active = 0; 1770 mvmvif->link[0] = &mvmvif->deflink; 1771 1772 ret = iwl_mvm_set_link_mapping(mvm, vif, &vif->bss_conf); 1773 if (ret) 1774 goto out; 1775 1776 /* 1777 * Not much to do here. The stack will not allow interface 1778 * types or combinations that we didn't advertise, so we 1779 * don't really have to check the types. 1780 */ 1781 1782 /* make sure that beacon statistics don't go backwards with FW reset */ 1783 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1784 for_each_mvm_vif_valid_link(mvmvif, i) 1785 mvmvif->link[i]->beacon_stats.accu_num_beacons += 1786 mvmvif->link[i]->beacon_stats.num_beacons; 1787 1788 /* Allocate resources for the MAC context, and add it to the fw */ 1789 ret = iwl_mvm_mac_ctxt_init(mvm, vif); 1790 if (ret) 1791 goto out; 1792 1793 rcu_assign_pointer(mvm->vif_id_to_mac[mvmvif->id], vif); 1794 1795 /* Currently not much to do for NAN */ 1796 if (vif->type == NL80211_IFTYPE_NAN) { 1797 ret = 0; 1798 goto out; 1799 } 1800 1801 /* 1802 * The AP binding flow can be done only after the beacon 1803 * template is configured (which happens only in the mac80211 1804 * start_ap() flow), and adding the broadcast station can happen 1805 * only after the binding. 1806 * In addition, since modifying the MAC before adding a bcast 1807 * station is not allowed by the FW, delay the adding of MAC context to 1808 * the point where we can also add the bcast station. 1809 * In short: there's not much we can do at this point, other than 1810 * allocating resources :) 1811 */ 1812 if (vif->type == NL80211_IFTYPE_AP || 1813 vif->type == NL80211_IFTYPE_ADHOC) { 1814 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1815 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1816 ret = 0; 1817 goto out; 1818 } 1819 1820 mvmvif->features |= hw->netdev_features; 1821 1822 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 1823 if (ret) 1824 goto out_unlock; 1825 1826 ret = iwl_mvm_power_update_mac(mvm); 1827 if (ret) 1828 goto out_remove_mac; 1829 1830 /* beacon filtering */ 1831 ret = iwl_mvm_disable_beacon_filter(mvm, vif); 1832 if (ret) 1833 goto out_remove_mac; 1834 1835 if (!mvm->bf_allowed_vif && 1836 vif->type == NL80211_IFTYPE_STATION && !vif->p2p) { 1837 mvm->bf_allowed_vif = mvmvif; 1838 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 1839 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 1840 } 1841 1842 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) 1843 mvm->p2p_device_vif = vif; 1844 1845 iwl_mvm_tcm_add_vif(mvm, vif); 1846 1847 if (vif->type == NL80211_IFTYPE_MONITOR) { 1848 mvm->monitor_on = true; 1849 mvm->monitor_p80 = 1850 iwl_mvm_chandef_get_primary_80(&vif->bss_conf.chanreq.oper); 1851 } 1852 1853 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 1854 iwl_mvm_vif_dbgfs_add_link(mvm, vif); 1855 1856 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 1857 vif->type == NL80211_IFTYPE_STATION && !vif->p2p && 1858 !mvm->csme_vif && mvm->mei_registered) { 1859 iwl_mei_set_nic_info(vif->addr, mvm->nvm_data->hw_addr); 1860 iwl_mei_set_netdev(ieee80211_vif_to_wdev(vif)->netdev); 1861 mvm->csme_vif = vif; 1862 } 1863 1864 out: 1865 if (!ret && (vif->type == NL80211_IFTYPE_AP || 1866 vif->type == NL80211_IFTYPE_ADHOC)) 1867 ret = iwl_mvm_alloc_bcast_mcast_sta(mvm, vif); 1868 1869 goto out_unlock; 1870 1871 out_remove_mac: 1872 mvmvif->deflink.phy_ctxt = NULL; 1873 iwl_mvm_mac_ctxt_remove(mvm, vif); 1874 out_unlock: 1875 mutex_unlock(&mvm->mutex); 1876 1877 return ret; 1878 } 1879 1880 void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, 1881 struct ieee80211_vif *vif) 1882 { 1883 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1884 1885 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1886 /* 1887 * Flush the ROC worker which will flush the OFFCHANNEL queue. 1888 * We assume here that all the packets sent to the OFFCHANNEL 1889 * queue are sent in ROC session. 1890 */ 1891 flush_work(&mvm->roc_done_wk); 1892 } 1893 1894 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1895 &mvmvif->prevent_esr_done_wk); 1896 1897 wiphy_delayed_work_cancel(mvm->hw->wiphy, 1898 &mvmvif->mlo_int_scan_wk); 1899 1900 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 1901 1902 cancel_delayed_work_sync(&mvmvif->csa_work); 1903 } 1904 1905 static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw, 1906 struct ieee80211_vif *vif) 1907 { 1908 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 1909 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1910 struct iwl_probe_resp_data *probe_data; 1911 1912 iwl_mvm_prepare_mac_removal(mvm, vif); 1913 1914 if (!(vif->type == NL80211_IFTYPE_AP || 1915 vif->type == NL80211_IFTYPE_ADHOC)) 1916 iwl_mvm_tcm_rm_vif(mvm, vif); 1917 1918 mutex_lock(&mvm->mutex); 1919 1920 if (vif == mvm->csme_vif) { 1921 iwl_mei_set_netdev(NULL); 1922 mvm->csme_vif = NULL; 1923 } 1924 1925 probe_data = rcu_dereference_protected(mvmvif->deflink.probe_resp_data, 1926 lockdep_is_held(&mvm->mutex)); 1927 RCU_INIT_POINTER(mvmvif->deflink.probe_resp_data, NULL); 1928 if (probe_data) 1929 kfree_rcu(probe_data, rcu_head); 1930 1931 if (mvm->bf_allowed_vif == mvmvif) { 1932 mvm->bf_allowed_vif = NULL; 1933 vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER | 1934 IEEE80211_VIF_SUPPORTS_CQM_RSSI); 1935 } 1936 1937 if (vif->bss_conf.ftm_responder) 1938 memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats)); 1939 1940 iwl_mvm_vif_dbgfs_rm_link(mvm, vif); 1941 1942 /* 1943 * For AP/GO interface, the tear down of the resources allocated to the 1944 * interface is be handled as part of the stop_ap flow. 1945 */ 1946 if (vif->type == NL80211_IFTYPE_AP || 1947 vif->type == NL80211_IFTYPE_ADHOC) { 1948 #ifdef CONFIG_NL80211_TESTMODE 1949 if (vif == mvm->noa_vif) { 1950 mvm->noa_vif = NULL; 1951 mvm->noa_duration = 0; 1952 } 1953 #endif 1954 goto out; 1955 } 1956 1957 iwl_mvm_power_update_mac(mvm); 1958 1959 /* Before the interface removal, mac80211 would cancel the ROC, and the 1960 * ROC worker would be scheduled if needed. The worker would be flushed 1961 * in iwl_mvm_prepare_mac_removal() and thus at this point there is no 1962 * binding etc. so nothing needs to be done here. 1963 */ 1964 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 1965 if (mvmvif->deflink.phy_ctxt) { 1966 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 1967 mvmvif->deflink.phy_ctxt = NULL; 1968 } 1969 mvm->p2p_device_vif = NULL; 1970 } 1971 1972 iwl_mvm_unset_link_mapping(mvm, vif, &vif->bss_conf); 1973 iwl_mvm_mac_ctxt_remove(mvm, vif); 1974 1975 RCU_INIT_POINTER(mvm->vif_id_to_mac[mvmvif->id], NULL); 1976 1977 if (vif->type == NL80211_IFTYPE_MONITOR) 1978 mvm->monitor_on = false; 1979 1980 out: 1981 if (vif->type == NL80211_IFTYPE_AP || 1982 vif->type == NL80211_IFTYPE_ADHOC) { 1983 iwl_mvm_dealloc_int_sta(mvm, &mvmvif->deflink.mcast_sta); 1984 iwl_mvm_dealloc_bcast_sta(mvm, vif); 1985 } 1986 1987 mutex_unlock(&mvm->mutex); 1988 } 1989 1990 struct iwl_mvm_mc_iter_data { 1991 struct iwl_mvm *mvm; 1992 int port_id; 1993 }; 1994 1995 static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, 1996 struct ieee80211_vif *vif) 1997 { 1998 struct iwl_mvm_mc_iter_data *data = _data; 1999 struct iwl_mvm *mvm = data->mvm; 2000 struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd; 2001 struct iwl_host_cmd hcmd = { 2002 .id = MCAST_FILTER_CMD, 2003 .flags = CMD_ASYNC, 2004 .dataflags[0] = IWL_HCMD_DFL_NOCOPY, 2005 }; 2006 int ret, len; 2007 2008 /* if we don't have free ports, mcast frames will be dropped */ 2009 if (WARN_ON_ONCE(data->port_id >= MAX_PORT_ID_NUM)) 2010 return; 2011 2012 if (vif->type != NL80211_IFTYPE_STATION || 2013 !vif->cfg.assoc) 2014 return; 2015 2016 cmd->port_id = data->port_id++; 2017 memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2018 len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); 2019 2020 hcmd.len[0] = len; 2021 hcmd.data[0] = cmd; 2022 2023 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2024 if (ret) 2025 IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); 2026 } 2027 2028 static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) 2029 { 2030 struct iwl_mvm_mc_iter_data iter_data = { 2031 .mvm = mvm, 2032 }; 2033 int ret; 2034 2035 lockdep_assert_held(&mvm->mutex); 2036 2037 if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) 2038 return; 2039 2040 ieee80211_iterate_active_interfaces_atomic( 2041 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2042 iwl_mvm_mc_iface_iterator, &iter_data); 2043 2044 /* 2045 * Send a (synchronous) ech command so that we wait for the 2046 * multiple asynchronous MCAST_FILTER_CMD commands sent by 2047 * the interface iterator. Otherwise, we might get here over 2048 * and over again (by userspace just sending a lot of these) 2049 * and the CPU can send them faster than the firmware can 2050 * process them. 2051 * Note that the CPU is still faster - but with this we'll 2052 * actually send fewer commands overall because the CPU will 2053 * not schedule the work in mac80211 as frequently if it's 2054 * still running when rescheduled (possibly multiple times). 2055 */ 2056 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 2057 if (ret) 2058 IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); 2059 } 2060 2061 u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, 2062 struct netdev_hw_addr_list *mc_list) 2063 { 2064 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2065 struct iwl_mcast_filter_cmd *cmd; 2066 struct netdev_hw_addr *addr; 2067 int addr_count; 2068 bool pass_all; 2069 int len; 2070 2071 addr_count = netdev_hw_addr_list_count(mc_list); 2072 pass_all = addr_count > MAX_MCAST_FILTERING_ADDRESSES || 2073 IWL_MVM_FW_MCAST_FILTER_PASS_ALL; 2074 if (pass_all) 2075 addr_count = 0; 2076 2077 len = roundup(sizeof(*cmd) + addr_count * ETH_ALEN, 4); 2078 cmd = kzalloc(len, GFP_ATOMIC); 2079 if (!cmd) 2080 return 0; 2081 2082 if (pass_all) { 2083 cmd->pass_all = 1; 2084 #if defined(__linux__) 2085 return (u64)(unsigned long)cmd; 2086 #elif defined(__FreeBSD__) 2087 return (u64)(uintptr_t)cmd; 2088 #endif 2089 } 2090 2091 netdev_hw_addr_list_for_each(addr, mc_list) { 2092 #if defined(__linux__) 2093 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %pM\n", 2094 cmd->count, addr->addr); 2095 #elif defined(__FreeBSD__) 2096 IWL_DEBUG_MAC80211(mvm, "mcast addr (%d): %6D\n", 2097 cmd->count, addr->addr, ":"); 2098 #endif 2099 memcpy(&cmd->addr_list[cmd->count * ETH_ALEN], 2100 addr->addr, ETH_ALEN); 2101 cmd->count++; 2102 } 2103 2104 #if defined(__linux__) 2105 return (u64)(unsigned long)cmd; 2106 #elif defined(__FreeBSD__) 2107 return (u64)(uintptr_t)cmd; 2108 #endif 2109 } 2110 2111 void iwl_mvm_configure_filter(struct ieee80211_hw *hw, 2112 unsigned int changed_flags, 2113 unsigned int *total_flags, u64 multicast) 2114 { 2115 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2116 #if defined(__linux__) 2117 struct iwl_mcast_filter_cmd *cmd = (void *)(unsigned long)multicast; 2118 #elif defined(__FreeBSD__) 2119 struct iwl_mcast_filter_cmd *cmd = (void *)(uintptr_t)multicast; 2120 #endif 2121 2122 guard(mvm)(mvm); 2123 2124 /* replace previous configuration */ 2125 kfree(mvm->mcast_filter_cmd); 2126 mvm->mcast_filter_cmd = cmd; 2127 2128 if (!cmd) 2129 goto out; 2130 2131 if (changed_flags & FIF_ALLMULTI) 2132 cmd->pass_all = !!(*total_flags & FIF_ALLMULTI); 2133 2134 if (cmd->pass_all) 2135 cmd->count = 0; 2136 2137 iwl_mvm_recalc_multicast(mvm); 2138 out: 2139 *total_flags = 0; 2140 } 2141 2142 static void iwl_mvm_config_iface_filter(struct ieee80211_hw *hw, 2143 struct ieee80211_vif *vif, 2144 unsigned int filter_flags, 2145 unsigned int changed_flags) 2146 { 2147 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2148 2149 /* We support only filter for probe requests */ 2150 if (!(changed_flags & FIF_PROBE_REQ)) 2151 return; 2152 2153 /* Supported only for p2p client interfaces */ 2154 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc || 2155 !vif->p2p) 2156 return; 2157 2158 guard(mvm)(mvm); 2159 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2160 } 2161 2162 int iwl_mvm_update_mu_groups(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2163 { 2164 struct iwl_mu_group_mgmt_cmd cmd = {}; 2165 2166 memcpy(cmd.membership_status, vif->bss_conf.mu_group.membership, 2167 WLAN_MEMBERSHIP_LEN); 2168 memcpy(cmd.user_position, vif->bss_conf.mu_group.position, 2169 WLAN_USER_POSITION_LEN); 2170 2171 return iwl_mvm_send_cmd_pdu(mvm, 2172 WIDE_ID(DATA_PATH_GROUP, 2173 UPDATE_MU_GROUPS_CMD), 2174 0, sizeof(cmd), &cmd); 2175 } 2176 2177 static void iwl_mvm_mu_mimo_iface_iterator(void *_data, u8 *mac, 2178 struct ieee80211_vif *vif) 2179 { 2180 if (vif->bss_conf.mu_mimo_owner) { 2181 struct iwl_mu_group_mgmt_notif *notif = _data; 2182 2183 /* 2184 * MU-MIMO Group Id action frame is little endian. We treat 2185 * the data received from firmware as if it came from the 2186 * action frame, so no conversion is needed. 2187 */ 2188 ieee80211_update_mu_groups(vif, 0, 2189 (u8 *)¬if->membership_status, 2190 (u8 *)¬if->user_position); 2191 } 2192 } 2193 2194 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 2195 struct iwl_rx_cmd_buffer *rxb) 2196 { 2197 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2198 struct iwl_mu_group_mgmt_notif *notif = (void *)pkt->data; 2199 2200 ieee80211_iterate_active_interfaces_atomic( 2201 mvm->hw, IEEE80211_IFACE_ITER_NORMAL, 2202 iwl_mvm_mu_mimo_iface_iterator, notif); 2203 } 2204 2205 static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit) 2206 { 2207 u8 byte_num = ppe_pos_bit / 8; 2208 u8 bit_num = ppe_pos_bit % 8; 2209 u8 residue_bits; 2210 u8 res; 2211 2212 if (bit_num <= 5) 2213 return (ppe[byte_num] >> bit_num) & 2214 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE) - 1); 2215 2216 /* 2217 * If bit_num > 5, we have to combine bits with next byte. 2218 * Calculate how many bits we need to take from current byte (called 2219 * here "residue_bits"), and add them to bits from next byte. 2220 */ 2221 2222 residue_bits = 8 - bit_num; 2223 2224 res = (ppe[byte_num + 1] & 2225 (BIT(IEEE80211_PPE_THRES_INFO_PPET_SIZE - residue_bits) - 1)) << 2226 residue_bits; 2227 res += (ppe[byte_num] >> bit_num) & (BIT(residue_bits) - 1); 2228 2229 return res; 2230 } 2231 2232 static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm, 2233 struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss, 2234 u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit, 2235 bool inheritance) 2236 { 2237 int i; 2238 2239 /* 2240 * FW currently supports only nss == MAX_HE_SUPP_NSS 2241 * 2242 * If nss > MAX: we can ignore values we don't support 2243 * If nss < MAX: we can set zeros in other streams 2244 */ 2245 if (nss > MAX_HE_SUPP_NSS) { 2246 IWL_DEBUG_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss, 2247 MAX_HE_SUPP_NSS); 2248 nss = MAX_HE_SUPP_NSS; 2249 } 2250 2251 for (i = 0; i < nss; i++) { 2252 u8 ru_index_tmp = ru_index_bitmap << 1; 2253 u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE; 2254 u8 bw; 2255 2256 for (bw = 0; 2257 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2258 bw++) { 2259 ru_index_tmp >>= 1; 2260 2261 /* 2262 * According to the 11be spec, if for a specific BW the PPE Thresholds 2263 * isn't present - it should inherit the thresholds from the last 2264 * BW for which we had PPE Thresholds. In 11ax though, we don't have 2265 * this inheritance - continue in this case 2266 */ 2267 if (!(ru_index_tmp & 1)) { 2268 if (inheritance) 2269 goto set_thresholds; 2270 else 2271 continue; 2272 } 2273 2274 high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2275 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2276 low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit); 2277 ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE; 2278 2279 set_thresholds: 2280 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2281 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2282 } 2283 } 2284 } 2285 2286 static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm, 2287 struct ieee80211_link_sta *link_sta, 2288 struct iwl_he_pkt_ext_v2 *pkt_ext, 2289 bool inheritance) 2290 { 2291 u8 nss = (link_sta->he_cap.ppe_thres[0] & 2292 IEEE80211_PPE_THRES_NSS_MASK) + 1; 2293 u8 *ppe = &link_sta->he_cap.ppe_thres[0]; 2294 u8 ru_index_bitmap = 2295 u8_get_bits(*ppe, 2296 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2297 /* Starting after PPE header */ 2298 u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE; 2299 2300 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit, 2301 inheritance); 2302 } 2303 2304 static int 2305 iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext, 2306 u8 nominal_padding) 2307 { 2308 int low_th = -1; 2309 int high_th = -1; 2310 int i; 2311 2312 /* all the macros are the same for EHT and HE */ 2313 switch (nominal_padding) { 2314 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US: 2315 low_th = IWL_HE_PKT_EXT_NONE; 2316 high_th = IWL_HE_PKT_EXT_NONE; 2317 break; 2318 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US: 2319 low_th = IWL_HE_PKT_EXT_BPSK; 2320 high_th = IWL_HE_PKT_EXT_NONE; 2321 break; 2322 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US: 2323 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US: 2324 low_th = IWL_HE_PKT_EXT_NONE; 2325 high_th = IWL_HE_PKT_EXT_BPSK; 2326 break; 2327 } 2328 2329 if (low_th < 0 || high_th < 0) 2330 return -EINVAL; 2331 2332 /* Set the PPE thresholds accordingly */ 2333 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2334 u8 bw; 2335 2336 for (bw = 0; 2337 bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2338 bw++) { 2339 pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th; 2340 pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th; 2341 } 2342 } 2343 2344 return 0; 2345 } 2346 2347 static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext, 2348 u8 nominal_padding) 2349 { 2350 int i; 2351 2352 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2353 u8 bw; 2354 2355 for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]); 2356 bw++) { 2357 u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2358 2359 if (nominal_padding > 2360 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2361 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2362 qam_th[1] = IWL_HE_PKT_EXT_4096QAM; 2363 else if (nominal_padding == 2364 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US && 2365 qam_th[0] == IWL_HE_PKT_EXT_NONE && 2366 qam_th[1] == IWL_HE_PKT_EXT_NONE) 2367 qam_th[0] = IWL_HE_PKT_EXT_4096QAM; 2368 } 2369 } 2370 } 2371 2372 /* Set the pkt_ext field according to PPE Thresholds element */ 2373 int iwl_mvm_set_sta_pkt_ext(struct iwl_mvm *mvm, 2374 struct ieee80211_link_sta *link_sta, 2375 struct iwl_he_pkt_ext_v2 *pkt_ext) 2376 { 2377 u8 nominal_padding; 2378 int i, ret = 0; 2379 2380 if (WARN_ON(!link_sta)) 2381 return -EINVAL; 2382 2383 /* Initialize the PPE thresholds to "None" (7), as described in Table 2384 * 9-262ac of 80211.ax/D3.0. 2385 */ 2386 memset(pkt_ext, IWL_HE_PKT_EXT_NONE, 2387 sizeof(struct iwl_he_pkt_ext_v2)); 2388 2389 if (link_sta->eht_cap.has_eht) { 2390 nominal_padding = 2391 u8_get_bits(link_sta->eht_cap.eht_cap_elem.phy_cap_info[5], 2392 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK); 2393 2394 /* If PPE Thresholds exists, parse them into a FW-familiar 2395 * format. 2396 */ 2397 if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] & 2398 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 2399 u8 nss = (link_sta->eht_cap.eht_ppe_thres[0] & 2400 IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1; 2401 u8 *ppe = &link_sta->eht_cap.eht_ppe_thres[0]; 2402 u8 ru_index_bitmap = 2403 u16_get_bits(*ppe, 2404 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 2405 /* Starting after PPE header */ 2406 u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 2407 2408 iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, 2409 ppe, ppe_pos_bit, true); 2410 /* EHT PPE Thresholds doesn't exist - set the API according to 2411 * HE PPE Tresholds 2412 */ 2413 } else if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2414 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2415 /* Even though HE Capabilities IE doesn't contain PPE 2416 * Thresholds for BW 320Mhz, thresholds for this BW will 2417 * be filled in with the same values as 160Mhz, due to 2418 * the inheritance, as required. 2419 */ 2420 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2421 true); 2422 2423 /* According to the requirements, for MCSs 12-13 the 2424 * maximum value between HE PPE Threshold and Common 2425 * Nominal Packet Padding needs to be taken 2426 */ 2427 iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding); 2428 2429 /* if PPE Thresholds doesn't present in both EHT IE and HE IE - 2430 * take the Thresholds from Common Nominal Packet Padding field 2431 */ 2432 } else { 2433 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2434 nominal_padding); 2435 } 2436 } else if (link_sta->he_cap.has_he) { 2437 /* If PPE Thresholds exist, parse them into a FW-familiar format. */ 2438 if (link_sta->he_cap.he_cap_elem.phy_cap_info[6] & 2439 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2440 iwl_mvm_set_pkt_ext_from_he_ppe(mvm, link_sta, pkt_ext, 2441 false); 2442 /* PPE Thresholds doesn't exist - set the API PPE values 2443 * according to Common Nominal Packet Padding field. 2444 */ 2445 } else { 2446 nominal_padding = 2447 u8_get_bits(link_sta->he_cap.he_cap_elem.phy_cap_info[9], 2448 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK); 2449 if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) 2450 ret = iwl_mvm_set_pkt_ext_from_nominal_padding(pkt_ext, 2451 nominal_padding); 2452 } 2453 } 2454 2455 for (i = 0; i < MAX_HE_SUPP_NSS; i++) { 2456 int bw; 2457 2458 for (bw = 0; 2459 bw < ARRAY_SIZE(*pkt_ext->pkt_ext_qam_th[i]); 2460 bw++) { 2461 u8 *qam_th = 2462 &pkt_ext->pkt_ext_qam_th[i][bw][0]; 2463 2464 IWL_DEBUG_HT(mvm, 2465 "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n", 2466 i, bw, qam_th[0], qam_th[1]); 2467 } 2468 } 2469 return ret; 2470 } 2471 2472 /* 2473 * This function sets the MU EDCA parameters ans returns whether MU EDCA 2474 * is enabled or not 2475 */ 2476 bool iwl_mvm_set_fw_mu_edca_params(struct iwl_mvm *mvm, 2477 const struct iwl_mvm_vif_link_info *link_info, 2478 struct iwl_he_backoff_conf *trig_based_txf) 2479 { 2480 int i; 2481 /* Mark MU EDCA as enabled, unless none detected on some AC */ 2482 bool mu_edca_enabled = true; 2483 2484 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 2485 const struct ieee80211_he_mu_edca_param_ac_rec *mu_edca = 2486 &link_info->queue_params[i].mu_edca_param_rec; 2487 u8 ac = iwl_mvm_mac80211_ac_to_ucode_ac(i); 2488 2489 if (!link_info->queue_params[i].mu_edca) { 2490 mu_edca_enabled = false; 2491 break; 2492 } 2493 2494 trig_based_txf[ac].cwmin = 2495 cpu_to_le16(mu_edca->ecw_min_max & 0xf); 2496 trig_based_txf[ac].cwmax = 2497 cpu_to_le16((mu_edca->ecw_min_max & 0xf0) >> 4); 2498 trig_based_txf[ac].aifsn = 2499 cpu_to_le16(mu_edca->aifsn & 0xf); 2500 trig_based_txf[ac].mu_time = 2501 cpu_to_le16(mu_edca->mu_edca_timer); 2502 } 2503 2504 return mu_edca_enabled; 2505 } 2506 2507 bool iwl_mvm_is_nic_ack_enabled(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 2508 { 2509 const struct ieee80211_supported_band *sband; 2510 const struct ieee80211_sta_he_cap *own_he_cap = NULL; 2511 2512 /* This capability is the same for all bands, 2513 * so take it from one of them. 2514 */ 2515 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 2516 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 2517 2518 return (own_he_cap && (own_he_cap->he_cap_elem.mac_cap_info[2] & 2519 IEEE80211_HE_MAC_CAP2_ACK_EN)); 2520 } 2521 2522 __le32 iwl_mvm_get_sta_htc_flags(struct ieee80211_sta *sta, 2523 struct ieee80211_link_sta *link_sta) 2524 { 2525 u8 *mac_cap_info = 2526 &link_sta->he_cap.he_cap_elem.mac_cap_info[0]; 2527 __le32 htc_flags = 0; 2528 2529 if (mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) 2530 htc_flags |= cpu_to_le32(IWL_HE_HTC_SUPPORT); 2531 if ((mac_cap_info[1] & IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION) || 2532 (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION)) { 2533 u8 link_adap = 2534 ((mac_cap_info[2] & 2535 IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION) << 1) + 2536 (mac_cap_info[1] & 2537 IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION); 2538 2539 if (link_adap == 2) 2540 htc_flags |= 2541 cpu_to_le32(IWL_HE_HTC_LINK_ADAP_UNSOLICITED); 2542 else if (link_adap == 3) 2543 htc_flags |= cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH); 2544 } 2545 if (mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR) 2546 htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP); 2547 if (mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL) 2548 htc_flags |= cpu_to_le32(IWL_HE_HTC_OMI_SUPP); 2549 if (mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR) 2550 htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP); 2551 2552 return htc_flags; 2553 } 2554 2555 static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm, 2556 struct ieee80211_vif *vif, u8 sta_id) 2557 { 2558 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2559 struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = { 2560 .sta_id = sta_id, 2561 .tid_limit = IWL_MAX_TID_COUNT, 2562 .bss_color = vif->bss_conf.he_bss_color.color, 2563 .htc_trig_based_pkt_ext = vif->bss_conf.htc_trig_based_pkt_ext, 2564 .frame_time_rts_th = 2565 cpu_to_le16(vif->bss_conf.frame_time_rts_th), 2566 }; 2567 struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {}; 2568 u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD); 2569 u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2); 2570 int size; 2571 struct ieee80211_sta *sta; 2572 u32 flags; 2573 int i; 2574 void *cmd; 2575 2576 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE)) 2577 ver = 1; 2578 2579 switch (ver) { 2580 case 1: 2581 /* same layout as v2 except some data at the end */ 2582 cmd = &sta_ctxt_cmd_v2; 2583 size = sizeof(struct iwl_he_sta_context_cmd_v1); 2584 break; 2585 case 2: 2586 cmd = &sta_ctxt_cmd_v2; 2587 size = sizeof(struct iwl_he_sta_context_cmd_v2); 2588 break; 2589 case 3: 2590 cmd = &sta_ctxt_cmd; 2591 size = sizeof(struct iwl_he_sta_context_cmd_v3); 2592 break; 2593 default: 2594 IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver); 2595 return; 2596 } 2597 2598 rcu_read_lock(); 2599 2600 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_ctxt_cmd.sta_id]); 2601 if (IS_ERR_OR_NULL(sta)) { 2602 rcu_read_unlock(); 2603 WARN(1, "Can't find STA to configure HE\n"); 2604 return; 2605 } 2606 2607 if (!sta->deflink.he_cap.has_he) { 2608 rcu_read_unlock(); 2609 return; 2610 } 2611 2612 flags = 0; 2613 2614 /* Block 26-tone RU OFDMA transmissions */ 2615 if (mvmvif->deflink.he_ru_2mhz_block) 2616 flags |= STA_CTXT_HE_RU_2MHZ_BLOCK; 2617 2618 /* HTC flags */ 2619 sta_ctxt_cmd.htc_flags = iwl_mvm_get_sta_htc_flags(sta, &sta->deflink); 2620 2621 /* PPE Thresholds */ 2622 if (!iwl_mvm_set_sta_pkt_ext(mvm, &sta->deflink, &sta_ctxt_cmd.pkt_ext)) 2623 flags |= STA_CTXT_HE_PACKET_EXT; 2624 2625 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2626 IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP) 2627 flags |= STA_CTXT_HE_32BIT_BA_BITMAP; 2628 2629 if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] & 2630 IEEE80211_HE_MAC_CAP2_ACK_EN) 2631 flags |= STA_CTXT_HE_ACK_ENABLED; 2632 2633 rcu_read_unlock(); 2634 2635 if (iwl_mvm_set_fw_mu_edca_params(mvm, &mvmvif->deflink, 2636 &sta_ctxt_cmd.trig_based_txf[0])) 2637 flags |= STA_CTXT_HE_MU_EDCA_CW; 2638 2639 if (vif->bss_conf.uora_exists) { 2640 flags |= STA_CTXT_HE_TRIG_RND_ALLOC; 2641 2642 sta_ctxt_cmd.rand_alloc_ecwmin = 2643 vif->bss_conf.uora_ocw_range & 0x7; 2644 sta_ctxt_cmd.rand_alloc_ecwmax = 2645 (vif->bss_conf.uora_ocw_range >> 3) & 0x7; 2646 } 2647 2648 if (!iwl_mvm_is_nic_ack_enabled(mvm, vif)) 2649 flags |= STA_CTXT_HE_NIC_NOT_ACK_ENABLED; 2650 2651 if (vif->bss_conf.nontransmitted) { 2652 flags |= STA_CTXT_HE_REF_BSSID_VALID; 2653 ether_addr_copy(sta_ctxt_cmd.ref_bssid_addr, 2654 vif->bss_conf.transmitter_bssid); 2655 sta_ctxt_cmd.max_bssid_indicator = 2656 vif->bss_conf.bssid_indicator; 2657 sta_ctxt_cmd.bssid_index = vif->bss_conf.bssid_index; 2658 sta_ctxt_cmd.ema_ap = vif->bss_conf.ema_ap; 2659 sta_ctxt_cmd.profile_periodicity = 2660 vif->bss_conf.profile_periodicity; 2661 } 2662 2663 sta_ctxt_cmd.flags = cpu_to_le32(flags); 2664 2665 if (ver < 3) { 2666 /* fields before pkt_ext */ 2667 BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) != 2668 offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2669 memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd, 2670 offsetof(typeof(sta_ctxt_cmd), pkt_ext)); 2671 2672 /* pkt_ext */ 2673 for (i = 0; 2674 i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th); 2675 i++) { 2676 u8 bw; 2677 2678 for (bw = 0; 2679 bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]); 2680 bw++) { 2681 BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) != 2682 sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw])); 2683 2684 memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw], 2685 &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw], 2686 sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw])); 2687 } 2688 } 2689 2690 /* fields after pkt_ext */ 2691 BUILD_BUG_ON(sizeof(sta_ctxt_cmd) - 2692 offsetofend(typeof(sta_ctxt_cmd), pkt_ext) != 2693 sizeof(sta_ctxt_cmd_v2) - 2694 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext)); 2695 memcpy((u8 *)&sta_ctxt_cmd_v2 + 2696 offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext), 2697 (u8 *)&sta_ctxt_cmd + 2698 offsetofend(typeof(sta_ctxt_cmd), pkt_ext), 2699 sizeof(sta_ctxt_cmd) - 2700 offsetofend(typeof(sta_ctxt_cmd), pkt_ext)); 2701 sta_ctxt_cmd_v2.reserved3 = 0; 2702 } 2703 2704 if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd)) 2705 IWL_ERR(mvm, "Failed to config FW to work HE!\n"); 2706 } 2707 2708 void iwl_mvm_protect_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2709 u32 duration_override, unsigned int link_id) 2710 { 2711 u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS; 2712 u32 min_duration = IWL_MVM_TE_SESSION_PROTECTION_MIN_TIME_MS; 2713 2714 if (duration_override > duration) 2715 duration = duration_override; 2716 2717 /* Try really hard to protect the session and hear a beacon 2718 * The new session protection command allows us to protect the 2719 * session for a much longer time since the firmware will internally 2720 * create two events: a 300TU one with a very high priority that 2721 * won't be fragmented which should be enough for 99% of the cases, 2722 * and another one (which we configure here to be 900TU long) which 2723 * will have a slightly lower priority, but more importantly, can be 2724 * fragmented so that it'll allow other activities to run. 2725 */ 2726 if (fw_has_capa(&mvm->fw->ucode_capa, 2727 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) 2728 iwl_mvm_schedule_session_protection(mvm, vif, 900, 2729 min_duration, false, 2730 link_id); 2731 else 2732 iwl_mvm_protect_session(mvm, vif, duration, 2733 min_duration, 500, false); 2734 } 2735 2736 /* Handle association common part to MLD and non-MLD modes */ 2737 void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, 2738 struct ieee80211_vif *vif, 2739 u64 changes) 2740 { 2741 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2742 int ret; 2743 int link_id; 2744 2745 /* The firmware tracks the MU-MIMO group on its own. 2746 * However, on HW restart we should restore this data. 2747 */ 2748 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 2749 (changes & BSS_CHANGED_MU_GROUPS) && vif->bss_conf.mu_mimo_owner) { 2750 ret = iwl_mvm_update_mu_groups(mvm, vif); 2751 if (ret) 2752 IWL_ERR(mvm, 2753 "failed to update VHT MU_MIMO groups\n"); 2754 } 2755 2756 iwl_mvm_recalc_multicast(mvm); 2757 2758 /* reset rssi values */ 2759 for_each_mvm_vif_valid_link(mvmvif, link_id) 2760 mvmvif->link[link_id]->bf_data.ave_beacon_signal = 0; 2761 2762 iwl_mvm_bt_coex_vif_change(mvm); 2763 iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, 2764 IEEE80211_SMPS_AUTOMATIC); 2765 if (fw_has_capa(&mvm->fw->ucode_capa, 2766 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 2767 iwl_mvm_config_scan(mvm); 2768 } 2769 2770 /* Execute the common part for MLD and non-MLD modes */ 2771 void 2772 iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, 2773 struct ieee80211_vif *vif, 2774 struct ieee80211_bss_conf *link_conf, 2775 u64 changes) 2776 { 2777 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2778 int ret; 2779 2780 if (changes & BSS_CHANGED_BEACON_INFO) { 2781 /* We received a beacon from the associated AP so 2782 * remove the session protection. 2783 */ 2784 iwl_mvm_stop_session_protection(mvm, vif); 2785 2786 iwl_mvm_sf_update(mvm, vif, false); 2787 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 2788 } 2789 2790 if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS | 2791 /* Send power command on every beacon change, 2792 * because we may have not enabled beacon abort yet. 2793 */ 2794 BSS_CHANGED_BEACON_INFO)) { 2795 ret = iwl_mvm_power_update_mac(mvm); 2796 if (ret) 2797 IWL_ERR(mvm, "failed to update power mode\n"); 2798 } 2799 2800 if (changes & BSS_CHANGED_CQM) { 2801 struct iwl_mvm_vif_link_info *link_info = 2802 mvmvif->link[link_conf->link_id]; 2803 2804 IWL_DEBUG_MAC80211(mvm, "CQM info_changed\n"); 2805 if (link_info) 2806 link_info->bf_data.last_cqm_event = 0; 2807 2808 if (mvmvif->bf_enabled) { 2809 /* FIXME: need to update per link when FW API will 2810 * support it 2811 */ 2812 ret = iwl_mvm_enable_beacon_filter(mvm, vif); 2813 if (ret) 2814 IWL_ERR(mvm, 2815 "failed to update CQM thresholds\n"); 2816 } 2817 } 2818 2819 if (changes & BSS_CHANGED_BANDWIDTH) 2820 iwl_mvm_update_link_smps(vif, link_conf); 2821 2822 if (changes & BSS_CHANGED_TPE) { 2823 IWL_DEBUG_CALIB(mvm, "Changing TPE\n"); 2824 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 2825 link_conf, 2826 false); 2827 } 2828 } 2829 2830 static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, 2831 struct ieee80211_vif *vif, 2832 struct ieee80211_bss_conf *bss_conf, 2833 u64 changes) 2834 { 2835 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 2836 int ret; 2837 int i; 2838 2839 /* 2840 * Re-calculate the tsf id, as the leader-follower relations depend 2841 * on the beacon interval, which was not known when the station 2842 * interface was added. 2843 */ 2844 if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) { 2845 if ((vif->bss_conf.he_support && 2846 !iwlwifi_mod_params.disable_11ax)) 2847 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2848 2849 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 2850 } 2851 2852 /* Update MU EDCA params */ 2853 if (changes & BSS_CHANGED_QOS && mvmvif->associated && 2854 vif->cfg.assoc && 2855 (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)) 2856 iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->deflink.ap_sta_id); 2857 2858 /* 2859 * If we're not associated yet, take the (new) BSSID before associating 2860 * so the firmware knows. If we're already associated, then use the old 2861 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC 2862 * branch for disassociation below. 2863 */ 2864 if (changes & BSS_CHANGED_BSSID && !mvmvif->associated) 2865 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2866 2867 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->deflink.bssid); 2868 if (ret) 2869 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 2870 2871 /* after sending it once, adopt mac80211 data */ 2872 memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN); 2873 mvmvif->associated = vif->cfg.assoc; 2874 2875 if (changes & BSS_CHANGED_ASSOC) { 2876 if (vif->cfg.assoc) { 2877 mvmvif->session_prot_connection_loss = false; 2878 2879 /* clear statistics to get clean beacon counter */ 2880 iwl_mvm_request_statistics(mvm, true); 2881 for_each_mvm_vif_valid_link(mvmvif, i) 2882 memset(&mvmvif->link[i]->beacon_stats, 0, 2883 sizeof(mvmvif->link[i]->beacon_stats)); 2884 2885 /* add quota for this interface */ 2886 ret = iwl_mvm_update_quotas(mvm, true, NULL); 2887 if (ret) { 2888 IWL_ERR(mvm, "failed to update quotas\n"); 2889 return; 2890 } 2891 2892 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2893 &mvm->status) && 2894 !fw_has_capa(&mvm->fw->ucode_capa, 2895 IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD)) { 2896 /* 2897 * If we're restarting then the firmware will 2898 * obviously have lost synchronisation with 2899 * the AP. It will attempt to synchronise by 2900 * itself, but we can make it more reliable by 2901 * scheduling a session protection time event. 2902 * 2903 * The firmware needs to receive a beacon to 2904 * catch up with synchronisation, use 110% of 2905 * the beacon interval. 2906 * 2907 * Set a large maximum delay to allow for more 2908 * than a single interface. 2909 * 2910 * For new firmware versions, rely on the 2911 * firmware. This is relevant for DCM scenarios 2912 * only anyway. 2913 */ 2914 u32 dur = (11 * vif->bss_conf.beacon_int) / 10; 2915 iwl_mvm_protect_session(mvm, vif, dur, dur, 2916 5 * dur, false); 2917 } else if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2918 &mvm->status) && 2919 !vif->bss_conf.dtim_period) { 2920 /* 2921 * If we're not restarting and still haven't 2922 * heard a beacon (dtim period unknown) then 2923 * make sure we still have enough minimum time 2924 * remaining in the time event, since the auth 2925 * might actually have taken quite a while 2926 * (especially for SAE) and so the remaining 2927 * time could be small without us having heard 2928 * a beacon yet. 2929 */ 2930 iwl_mvm_protect_assoc(mvm, vif, 0, 0); 2931 } 2932 2933 iwl_mvm_sf_update(mvm, vif, false); 2934 iwl_mvm_power_vif_assoc(mvm, vif); 2935 if (vif->p2p) { 2936 iwl_mvm_update_smps(mvm, vif, 2937 IWL_MVM_SMPS_REQ_PROT, 2938 IEEE80211_SMPS_DYNAMIC, 0); 2939 } 2940 } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { 2941 iwl_mvm_mei_host_disassociated(mvm); 2942 /* 2943 * If update fails - SF might be running in associated 2944 * mode while disassociated - which is forbidden. 2945 */ 2946 ret = iwl_mvm_sf_update(mvm, vif, false); 2947 WARN_ONCE(ret && 2948 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2949 &mvm->status), 2950 "Failed to update SF upon disassociation\n"); 2951 2952 /* 2953 * If we get an assert during the connection (after the 2954 * station has been added, but before the vif is set 2955 * to associated), mac80211 will re-add the station and 2956 * then configure the vif. Since the vif is not 2957 * associated, we would remove the station here and 2958 * this would fail the recovery. 2959 */ 2960 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, 2961 &mvm->status)) { 2962 /* first remove remaining keys */ 2963 iwl_mvm_sec_key_remove_ap(mvm, vif, 2964 &mvmvif->deflink, 0); 2965 2966 /* 2967 * Remove AP station now that 2968 * the MAC is unassoc 2969 */ 2970 ret = iwl_mvm_rm_sta_id(mvm, vif, 2971 mvmvif->deflink.ap_sta_id); 2972 if (ret) 2973 IWL_ERR(mvm, 2974 "failed to remove AP station\n"); 2975 2976 mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA; 2977 } 2978 2979 /* remove quota for this interface */ 2980 ret = iwl_mvm_update_quotas(mvm, false, NULL); 2981 if (ret) 2982 IWL_ERR(mvm, "failed to update quotas\n"); 2983 2984 /* this will take the cleared BSSID from bss_conf */ 2985 ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 2986 if (ret) 2987 IWL_ERR(mvm, 2988 "failed to update MAC %pM (clear after unassoc)\n", 2989 vif->addr); 2990 } 2991 2992 iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); 2993 } 2994 2995 iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, 2996 changes); 2997 } 2998 2999 bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, 3000 struct ieee80211_vif *vif, 3001 int *ret) 3002 { 3003 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3004 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3005 int i; 3006 3007 lockdep_assert_held(&mvm->mutex); 3008 3009 mvmvif->ap_assoc_sta_count = 0; 3010 3011 /* must be set before quota calculations */ 3012 mvmvif->ap_ibss_active = true; 3013 3014 /* send all the early keys to the device now */ 3015 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 3016 struct ieee80211_key_conf *key = mvmvif->ap_early_keys[i]; 3017 3018 if (!key) 3019 continue; 3020 3021 mvmvif->ap_early_keys[i] = NULL; 3022 3023 *ret = __iwl_mvm_mac_set_key(hw, SET_KEY, vif, NULL, key); 3024 if (*ret) 3025 return true; 3026 } 3027 3028 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3029 iwl_mvm_vif_set_low_latency(mvmvif, true, 3030 LOW_LATENCY_VIF_TYPE); 3031 iwl_mvm_send_low_latency_cmd(mvm, true, mvmvif->id); 3032 } 3033 3034 /* power updated needs to be done before quotas */ 3035 iwl_mvm_power_update_mac(mvm); 3036 3037 return false; 3038 } 3039 3040 static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, 3041 struct ieee80211_vif *vif, 3042 struct ieee80211_bss_conf *link_conf) 3043 { 3044 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3045 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3046 int ret; 3047 3048 mutex_lock(&mvm->mutex); 3049 3050 /* 3051 * Re-calculate the tsf id, as the leader-follower relations depend on 3052 * the beacon interval, which was not known when the AP interface 3053 * was added. 3054 */ 3055 if (vif->type == NL80211_IFTYPE_AP) 3056 iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif); 3057 3058 /* For older devices need to send beacon template before adding mac 3059 * context. For the newer, the beacon is a resource that belongs to a 3060 * MAC, so need to send beacon template after adding the mac. 3061 */ 3062 if (mvm->trans->trans_cfg->device_family > IWL_DEVICE_FAMILY_22000) { 3063 /* Add the mac context */ 3064 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3065 if (ret) 3066 goto out_unlock; 3067 3068 /* Send the beacon template */ 3069 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3070 if (ret) 3071 goto out_unlock; 3072 } else { 3073 /* Send the beacon template */ 3074 ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); 3075 if (ret) 3076 goto out_unlock; 3077 3078 /* Add the mac context */ 3079 ret = iwl_mvm_mac_ctxt_add(mvm, vif); 3080 if (ret) 3081 goto out_unlock; 3082 } 3083 3084 /* Perform the binding */ 3085 ret = iwl_mvm_binding_add_vif(mvm, vif); 3086 if (ret) 3087 goto out_remove; 3088 3089 /* 3090 * This is not very nice, but the simplest: 3091 * For older FWs adding the mcast sta before the bcast station may 3092 * cause assert 0x2b00. 3093 * This is fixed in later FW so make the order of removal depend on 3094 * the TLV 3095 */ 3096 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { 3097 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3098 if (ret) 3099 goto out_unbind; 3100 /* 3101 * Send the bcast station. At this stage the TBTT and DTIM time 3102 * events are added and applied to the scheduler 3103 */ 3104 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3105 if (ret) { 3106 iwl_mvm_rm_mcast_sta(mvm, vif); 3107 goto out_unbind; 3108 } 3109 } else { 3110 /* 3111 * Send the bcast station. At this stage the TBTT and DTIM time 3112 * events are added and applied to the scheduler 3113 */ 3114 ret = iwl_mvm_send_add_bcast_sta(mvm, vif); 3115 if (ret) 3116 goto out_unbind; 3117 ret = iwl_mvm_add_mcast_sta(mvm, vif); 3118 if (ret) { 3119 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3120 goto out_unbind; 3121 } 3122 } 3123 3124 if (iwl_mvm_start_ap_ibss_common(hw, vif, &ret)) 3125 goto out_failed; 3126 3127 ret = iwl_mvm_update_quotas(mvm, false, NULL); 3128 if (ret) 3129 goto out_failed; 3130 3131 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3132 if (vif->p2p && mvm->p2p_device_vif) 3133 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3134 3135 iwl_mvm_bt_coex_vif_change(mvm); 3136 3137 /* we don't support TDLS during DCM */ 3138 if (iwl_mvm_phy_ctx_count(mvm) > 1) 3139 iwl_mvm_teardown_tdls_peers(mvm); 3140 3141 iwl_mvm_ftm_restart_responder(mvm, vif, &vif->bss_conf); 3142 3143 goto out_unlock; 3144 3145 out_failed: 3146 iwl_mvm_power_update_mac(mvm); 3147 mvmvif->ap_ibss_active = false; 3148 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3149 iwl_mvm_rm_mcast_sta(mvm, vif); 3150 out_unbind: 3151 iwl_mvm_binding_remove_vif(mvm, vif); 3152 out_remove: 3153 iwl_mvm_mac_ctxt_remove(mvm, vif); 3154 out_unlock: 3155 mutex_unlock(&mvm->mutex); 3156 return ret; 3157 } 3158 3159 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, 3160 struct ieee80211_vif *vif, 3161 struct ieee80211_bss_conf *link_conf) 3162 { 3163 return iwl_mvm_start_ap_ibss(hw, vif, link_conf); 3164 } 3165 3166 static int iwl_mvm_start_ibss(struct ieee80211_hw *hw, 3167 struct ieee80211_vif *vif) 3168 { 3169 return iwl_mvm_start_ap_ibss(hw, vif, &vif->bss_conf); 3170 } 3171 3172 /* Common part for MLD and non-MLD ops */ 3173 void iwl_mvm_stop_ap_ibss_common(struct iwl_mvm *mvm, 3174 struct ieee80211_vif *vif) 3175 { 3176 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3177 3178 lockdep_assert_held(&mvm->mutex); 3179 3180 iwl_mvm_prepare_mac_removal(mvm, vif); 3181 3182 /* Handle AP stop while in CSA */ 3183 if (rcu_access_pointer(mvm->csa_vif) == vif) { 3184 iwl_mvm_remove_time_event(mvm, mvmvif, 3185 &mvmvif->time_event_data); 3186 RCU_INIT_POINTER(mvm->csa_vif, NULL); 3187 mvmvif->csa_countdown = false; 3188 } 3189 3190 if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { 3191 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 3192 mvm->csa_tx_block_bcn_timeout = 0; 3193 } 3194 3195 mvmvif->ap_ibss_active = false; 3196 mvm->ap_last_beacon_gp2 = 0; 3197 3198 if (vif->type == NL80211_IFTYPE_AP && !vif->p2p) { 3199 iwl_mvm_vif_set_low_latency(mvmvif, false, 3200 LOW_LATENCY_VIF_TYPE); 3201 iwl_mvm_send_low_latency_cmd(mvm, false, mvmvif->id); 3202 } 3203 3204 iwl_mvm_bt_coex_vif_change(mvm); 3205 } 3206 3207 static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, 3208 struct ieee80211_vif *vif, 3209 struct ieee80211_bss_conf *link_conf) 3210 { 3211 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3212 3213 guard(mvm)(mvm); 3214 3215 iwl_mvm_stop_ap_ibss_common(mvm, vif); 3216 3217 /* Need to update the P2P Device MAC (only GO, IBSS is single vif) */ 3218 if (vif->p2p && mvm->p2p_device_vif) 3219 iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL); 3220 3221 iwl_mvm_update_quotas(mvm, false, NULL); 3222 3223 iwl_mvm_ftm_responder_clear(mvm, vif); 3224 3225 /* 3226 * This is not very nice, but the simplest: 3227 * For older FWs removing the mcast sta before the bcast station may 3228 * cause assert 0x2b00. 3229 * This is fixed in later FW (which will stop beaconing when removing 3230 * bcast station). 3231 * So make the order of removal depend on the TLV 3232 */ 3233 if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3234 iwl_mvm_rm_mcast_sta(mvm, vif); 3235 iwl_mvm_send_rm_bcast_sta(mvm, vif); 3236 if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) 3237 iwl_mvm_rm_mcast_sta(mvm, vif); 3238 iwl_mvm_binding_remove_vif(mvm, vif); 3239 3240 iwl_mvm_power_update_mac(mvm); 3241 3242 iwl_mvm_mac_ctxt_remove(mvm, vif); 3243 } 3244 3245 static void iwl_mvm_stop_ap(struct ieee80211_hw *hw, 3246 struct ieee80211_vif *vif, 3247 struct ieee80211_bss_conf *link_conf) 3248 { 3249 iwl_mvm_stop_ap_ibss(hw, vif, link_conf); 3250 } 3251 3252 static void iwl_mvm_stop_ibss(struct ieee80211_hw *hw, 3253 struct ieee80211_vif *vif) 3254 { 3255 iwl_mvm_stop_ap_ibss(hw, vif, &vif->bss_conf); 3256 } 3257 3258 static void 3259 iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, 3260 struct ieee80211_vif *vif, 3261 struct ieee80211_bss_conf *bss_conf, 3262 u64 changes) 3263 { 3264 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3265 3266 /* Changes will be applied when the AP/IBSS is started */ 3267 if (!mvmvif->ap_ibss_active) 3268 return; 3269 3270 if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT | 3271 BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) && 3272 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL)) 3273 IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr); 3274 3275 /* Need to send a new beacon template to the FW */ 3276 if (changes & BSS_CHANGED_BEACON && 3277 iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, &vif->bss_conf)) 3278 IWL_WARN(mvm, "Failed updating beacon data\n"); 3279 3280 if (changes & BSS_CHANGED_FTM_RESPONDER) { 3281 int ret = iwl_mvm_ftm_start_responder(mvm, vif, &vif->bss_conf); 3282 3283 if (ret) 3284 IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n", 3285 ret); 3286 } 3287 3288 } 3289 3290 static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, 3291 struct ieee80211_vif *vif, 3292 struct ieee80211_bss_conf *bss_conf, 3293 u64 changes) 3294 { 3295 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3296 3297 guard(mvm)(mvm); 3298 3299 if (changes & BSS_CHANGED_IDLE && !vif->cfg.idle) 3300 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); 3301 3302 switch (vif->type) { 3303 case NL80211_IFTYPE_STATION: 3304 iwl_mvm_bss_info_changed_station(mvm, vif, bss_conf, changes); 3305 break; 3306 case NL80211_IFTYPE_AP: 3307 case NL80211_IFTYPE_ADHOC: 3308 iwl_mvm_bss_info_changed_ap_ibss(mvm, vif, bss_conf, changes); 3309 break; 3310 case NL80211_IFTYPE_MONITOR: 3311 if (changes & BSS_CHANGED_MU_GROUPS) 3312 iwl_mvm_update_mu_groups(mvm, vif); 3313 break; 3314 default: 3315 /* shouldn't happen */ 3316 WARN_ON_ONCE(1); 3317 } 3318 3319 if (changes & BSS_CHANGED_TXPOWER) { 3320 IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d dBm\n", 3321 bss_conf->txpower); 3322 iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); 3323 } 3324 } 3325 3326 int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3327 struct ieee80211_scan_request *hw_req) 3328 { 3329 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3330 3331 if (hw_req->req.n_channels == 0 || 3332 hw_req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels) 3333 return -EINVAL; 3334 3335 guard(mvm)(mvm); 3336 return iwl_mvm_reg_scan_start(mvm, vif, &hw_req->req, &hw_req->ies); 3337 } 3338 3339 void iwl_mvm_mac_cancel_hw_scan(struct ieee80211_hw *hw, 3340 struct ieee80211_vif *vif) 3341 { 3342 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3343 3344 guard(mvm)(mvm); 3345 3346 /* Due to a race condition, it's possible that mac80211 asks 3347 * us to stop a hw_scan when it's already stopped. This can 3348 * happen, for instance, if we stopped the scan ourselves, 3349 * called ieee80211_scan_completed() and the userspace called 3350 * cancel scan scan before ieee80211_scan_work() could run. 3351 * To handle that, simply return if the scan is not running. 3352 */ 3353 if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) 3354 iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); 3355 } 3356 3357 void 3358 iwl_mvm_mac_allow_buffered_frames(struct ieee80211_hw *hw, 3359 struct ieee80211_sta *sta, u16 tids, 3360 int num_frames, 3361 enum ieee80211_frame_release_type reason, 3362 bool more_data) 3363 { 3364 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3365 3366 /* Called when we need to transmit (a) frame(s) from mac80211 */ 3367 3368 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3369 tids, more_data, false); 3370 } 3371 3372 void 3373 iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, 3374 struct ieee80211_sta *sta, u16 tids, 3375 int num_frames, 3376 enum ieee80211_frame_release_type reason, 3377 bool more_data) 3378 { 3379 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3380 3381 /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ 3382 3383 iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, 3384 tids, more_data, true); 3385 } 3386 3387 static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, 3388 enum sta_notify_cmd cmd, 3389 struct ieee80211_sta *sta) 3390 { 3391 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3392 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 3393 unsigned long txqs = 0, tids = 0; 3394 int tid; 3395 3396 /* 3397 * If we have TVQM then we get too high queue numbers - luckily 3398 * we really shouldn't get here with that because such hardware 3399 * should have firmware supporting buffer station offload. 3400 */ 3401 if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) 3402 return; 3403 3404 spin_lock_bh(&mvmsta->lock); 3405 for (tid = 0; tid < ARRAY_SIZE(mvmsta->tid_data); tid++) { 3406 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; 3407 3408 if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE) 3409 continue; 3410 3411 __set_bit(tid_data->txq_id, &txqs); 3412 3413 if (iwl_mvm_tid_queued(mvm, tid_data) == 0) 3414 continue; 3415 3416 __set_bit(tid, &tids); 3417 } 3418 3419 switch (cmd) { 3420 case STA_NOTIFY_SLEEP: 3421 for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT) 3422 ieee80211_sta_set_buffered(sta, tid, true); 3423 3424 if (txqs) 3425 iwl_trans_freeze_txq_timer(mvm->trans, txqs, true); 3426 /* 3427 * The fw updates the STA to be asleep. Tx packets on the Tx 3428 * queues to this station will not be transmitted. The fw will 3429 * send a Tx response with TX_STATUS_FAIL_DEST_PS. 3430 */ 3431 break; 3432 case STA_NOTIFY_AWAKE: 3433 if (WARN_ON(mvmsta->deflink.sta_id == IWL_MVM_INVALID_STA)) 3434 break; 3435 3436 if (txqs) 3437 iwl_trans_freeze_txq_timer(mvm->trans, txqs, false); 3438 iwl_mvm_sta_modify_ps_wake(mvm, sta); 3439 break; 3440 default: 3441 break; 3442 } 3443 spin_unlock_bh(&mvmsta->lock); 3444 } 3445 3446 void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3447 enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3448 { 3449 __iwl_mvm_mac_sta_notify(hw, cmd, sta); 3450 } 3451 3452 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 3453 { 3454 struct iwl_rx_packet *pkt = rxb_addr(rxb); 3455 struct iwl_mvm_pm_state_notification *notif = (void *)pkt->data; 3456 struct ieee80211_sta *sta; 3457 struct iwl_mvm_sta *mvmsta; 3458 bool sleeping = (notif->type != IWL_MVM_PM_EVENT_AWAKE); 3459 3460 if (WARN_ON(notif->sta_id >= mvm->fw->ucode_capa.num_stations)) 3461 return; 3462 3463 rcu_read_lock(); 3464 sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); 3465 if (WARN_ON(IS_ERR_OR_NULL(sta))) { 3466 rcu_read_unlock(); 3467 return; 3468 } 3469 3470 mvmsta = iwl_mvm_sta_from_mac80211(sta); 3471 3472 if (!mvmsta->vif || 3473 mvmsta->vif->type != NL80211_IFTYPE_AP) { 3474 rcu_read_unlock(); 3475 return; 3476 } 3477 3478 if (mvmsta->sleeping != sleeping) { 3479 mvmsta->sleeping = sleeping; 3480 __iwl_mvm_mac_sta_notify(mvm->hw, 3481 sleeping ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, 3482 sta); 3483 ieee80211_sta_ps_transition(sta, sleeping); 3484 } 3485 3486 if (sleeping) { 3487 switch (notif->type) { 3488 case IWL_MVM_PM_EVENT_AWAKE: 3489 case IWL_MVM_PM_EVENT_ASLEEP: 3490 break; 3491 case IWL_MVM_PM_EVENT_UAPSD: 3492 ieee80211_sta_uapsd_trigger(sta, IEEE80211_NUM_TIDS); 3493 break; 3494 case IWL_MVM_PM_EVENT_PS_POLL: 3495 ieee80211_sta_pspoll(sta); 3496 break; 3497 default: 3498 break; 3499 } 3500 } 3501 3502 rcu_read_unlock(); 3503 } 3504 3505 void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, 3506 struct ieee80211_vif *vif, 3507 struct ieee80211_sta *sta) 3508 { 3509 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 3510 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3511 unsigned int link_id; 3512 3513 /* 3514 * This is called before mac80211 does RCU synchronisation, 3515 * so here we already invalidate our internal RCU-protected 3516 * station pointer. The rest of the code will thus no longer 3517 * be able to find the station this way, and we don't rely 3518 * on further RCU synchronisation after the sta_state() 3519 * callback deleted the station. 3520 * Since there's mvm->mutex here, no need to have RCU lock for 3521 * mvm_sta->link access. 3522 */ 3523 guard(mvm)(mvm); 3524 for (link_id = 0; link_id < ARRAY_SIZE(mvm_sta->link); link_id++) { 3525 struct iwl_mvm_link_sta *link_sta; 3526 u32 sta_id; 3527 3528 if (!mvm_sta->link[link_id]) 3529 continue; 3530 3531 link_sta = rcu_dereference_protected(mvm_sta->link[link_id], 3532 lockdep_is_held(&mvm->mutex)); 3533 sta_id = link_sta->sta_id; 3534 if (sta == rcu_access_pointer(mvm->fw_id_to_mac_id[sta_id])) { 3535 RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta_id], 3536 ERR_PTR(-ENOENT)); 3537 RCU_INIT_POINTER(mvm->fw_id_to_link_sta[sta_id], NULL); 3538 } 3539 } 3540 } 3541 3542 static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 3543 const u8 *bssid) 3544 { 3545 int i; 3546 3547 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 3548 struct iwl_mvm_tcm_mac *mdata; 3549 3550 mdata = &mvm->tcm.data[iwl_mvm_vif_from_mac80211(vif)->id]; 3551 ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 3552 mdata->opened_rx_ba_sessions = false; 3553 } 3554 3555 if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) 3556 return; 3557 3558 if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { 3559 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3560 return; 3561 } 3562 3563 if (!vif->p2p && 3564 (iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_BSS)) { 3565 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3566 return; 3567 } 3568 3569 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) { 3570 if (ether_addr_equal(mvm->uapsd_noagg_bssids[i].addr, bssid)) { 3571 vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; 3572 return; 3573 } 3574 } 3575 3576 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; 3577 } 3578 3579 static void 3580 iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm, 3581 struct ieee80211_vif *vif, u8 *peer_addr, 3582 enum nl80211_tdls_operation action) 3583 { 3584 struct iwl_fw_dbg_trigger_tlv *trig; 3585 struct iwl_fw_dbg_trigger_tdls *tdls_trig; 3586 3587 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 3588 FW_DBG_TRIGGER_TDLS); 3589 if (!trig) 3590 return; 3591 3592 tdls_trig = (void *)trig->data; 3593 3594 if (!(tdls_trig->action_bitmap & BIT(action))) 3595 return; 3596 3597 if (tdls_trig->peer_mode && 3598 memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0) 3599 return; 3600 3601 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 3602 "TDLS event occurred, peer %pM, action %d", 3603 peer_addr, action); 3604 } 3605 3606 struct iwl_mvm_he_obss_narrow_bw_ru_data { 3607 bool tolerated; 3608 }; 3609 3610 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 3611 struct cfg80211_bss *bss, 3612 void *_data) 3613 { 3614 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 3615 const struct cfg80211_bss_ies *ies; 3616 const struct element *elem; 3617 3618 rcu_read_lock(); 3619 ies = rcu_dereference(bss->ies); 3620 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data, 3621 ies->len); 3622 3623 if (!elem || elem->datalen < 10 || 3624 !(elem->data[10] & 3625 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 3626 data->tolerated = false; 3627 } 3628 rcu_read_unlock(); 3629 } 3630 3631 static void 3632 iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw, 3633 struct ieee80211_vif *vif, 3634 unsigned int link_id, 3635 struct ieee80211_bss_conf *link_conf) 3636 { 3637 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3638 struct iwl_mvm_he_obss_narrow_bw_ru_data iter_data = { 3639 .tolerated = true, 3640 }; 3641 3642 if (WARN_ON_ONCE(!link_conf->chanreq.oper.chan || 3643 !mvmvif->link[link_id])) 3644 return; 3645 3646 if (!(link_conf->chanreq.oper.chan->flags & IEEE80211_CHAN_RADAR)) { 3647 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3648 return; 3649 } 3650 3651 cfg80211_bss_iter(hw->wiphy, &link_conf->chanreq.oper, 3652 iwl_mvm_check_he_obss_narrow_bw_ru_iter, 3653 &iter_data); 3654 3655 /* 3656 * If there is at least one AP on radar channel that cannot 3657 * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU. 3658 */ 3659 mvmvif->link[link_id]->he_ru_2mhz_block = !iter_data.tolerated; 3660 } 3661 3662 static void iwl_mvm_reset_cca_40mhz_workaround(struct iwl_mvm *mvm, 3663 struct ieee80211_vif *vif) 3664 { 3665 struct ieee80211_supported_band *sband; 3666 const struct ieee80211_sta_he_cap *he_cap; 3667 3668 if (vif->type != NL80211_IFTYPE_STATION) 3669 return; 3670 3671 if (!mvm->cca_40mhz_workaround) 3672 return; 3673 3674 /* decrement and check that we reached zero */ 3675 mvm->cca_40mhz_workaround--; 3676 if (mvm->cca_40mhz_workaround) 3677 return; 3678 3679 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 3680 3681 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 3682 3683 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 3684 3685 if (he_cap) { 3686 /* we know that ours is writable */ 3687 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 3688 3689 he->he_cap_elem.phy_cap_info[0] |= 3690 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 3691 } 3692 } 3693 3694 static void iwl_mvm_mei_host_associated(struct iwl_mvm *mvm, 3695 struct ieee80211_vif *vif, 3696 struct iwl_mvm_sta *mvm_sta) 3697 { 3698 #if IS_ENABLED(CONFIG_IWLMEI) 3699 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3700 struct iwl_mei_conn_info conn_info = { 3701 .ssid_len = vif->cfg.ssid_len, 3702 }; 3703 3704 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 3705 return; 3706 3707 if (!mvm->mei_registered) 3708 return; 3709 3710 /* FIXME: MEI needs to be updated for MLO */ 3711 if (!vif->bss_conf.chanreq.oper.chan) 3712 return; 3713 3714 conn_info.channel = vif->bss_conf.chanreq.oper.chan->hw_value; 3715 3716 switch (mvm_sta->pairwise_cipher) { 3717 case WLAN_CIPHER_SUITE_TKIP: 3718 conn_info.pairwise_cipher = IWL_MEI_CIPHER_TKIP; 3719 break; 3720 case WLAN_CIPHER_SUITE_CCMP: 3721 conn_info.pairwise_cipher = IWL_MEI_CIPHER_CCMP; 3722 break; 3723 case WLAN_CIPHER_SUITE_GCMP: 3724 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP; 3725 break; 3726 case WLAN_CIPHER_SUITE_GCMP_256: 3727 conn_info.pairwise_cipher = IWL_MEI_CIPHER_GCMP_256; 3728 break; 3729 case 0: 3730 /* open profile */ 3731 break; 3732 default: 3733 /* cipher not supported, don't send anything to iwlmei */ 3734 return; 3735 } 3736 3737 switch (mvmvif->rekey_data.akm) { 3738 case WLAN_AKM_SUITE_SAE & 0xff: 3739 conn_info.auth_mode = IWL_MEI_AKM_AUTH_SAE; 3740 break; 3741 case WLAN_AKM_SUITE_PSK & 0xff: 3742 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA_PSK; 3743 break; 3744 case WLAN_AKM_SUITE_8021X & 0xff: 3745 conn_info.auth_mode = IWL_MEI_AKM_AUTH_RSNA; 3746 break; 3747 case 0: 3748 /* open profile */ 3749 conn_info.auth_mode = IWL_MEI_AKM_AUTH_OPEN; 3750 break; 3751 default: 3752 /* auth method / AKM not supported */ 3753 /* TODO: All the FT vesions of these? */ 3754 return; 3755 } 3756 3757 memcpy(conn_info.ssid, vif->cfg.ssid, vif->cfg.ssid_len); 3758 memcpy(conn_info.bssid, vif->bss_conf.bssid, ETH_ALEN); 3759 3760 /* TODO: add support for collocated AP data */ 3761 iwl_mei_host_associated(&conn_info, NULL); 3762 #endif 3763 } 3764 3765 static int iwl_mvm_mac_ctxt_changed_wrapper(struct iwl_mvm *mvm, 3766 struct ieee80211_vif *vif, 3767 bool force_assoc_off) 3768 { 3769 return iwl_mvm_mac_ctxt_changed(mvm, vif, force_assoc_off, NULL); 3770 } 3771 3772 static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, 3773 struct ieee80211_vif *vif, 3774 struct ieee80211_sta *sta, 3775 enum ieee80211_sta_state old_state, 3776 enum ieee80211_sta_state new_state) 3777 { 3778 static const struct iwl_mvm_sta_state_ops callbacks = { 3779 .add_sta = iwl_mvm_add_sta, 3780 .update_sta = iwl_mvm_update_sta, 3781 .rm_sta = iwl_mvm_rm_sta, 3782 .mac_ctxt_changed = iwl_mvm_mac_ctxt_changed_wrapper, 3783 }; 3784 3785 return iwl_mvm_mac_sta_state_common(hw, vif, sta, old_state, new_state, 3786 &callbacks); 3787 } 3788 3789 /* FIXME: temporary making two assumptions in all sta handling functions: 3790 * (1) when setting sta state, the link exists and protected 3791 * (2) if a link is valid in sta then it's valid in vif (can 3792 * use same index in the link array) 3793 */ 3794 static void iwl_mvm_rs_rate_init_all_links(struct iwl_mvm *mvm, 3795 struct ieee80211_vif *vif, 3796 struct ieee80211_sta *sta) 3797 { 3798 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3799 unsigned int link_id; 3800 3801 for_each_mvm_vif_valid_link(mvmvif, link_id) { 3802 struct ieee80211_bss_conf *conf = 3803 link_conf_dereference_check(vif, link_id); 3804 struct ieee80211_link_sta *link_sta = 3805 link_sta_dereference_check(sta, link_id); 3806 3807 if (!conf || !link_sta || !mvmvif->link[link_id]->phy_ctxt) 3808 continue; 3809 3810 iwl_mvm_rs_rate_init(mvm, vif, sta, conf, link_sta, 3811 mvmvif->link[link_id]->phy_ctxt->channel->band); 3812 } 3813 } 3814 3815 static bool iwl_mvm_vif_conf_from_sta(struct iwl_mvm *mvm, 3816 struct ieee80211_vif *vif, 3817 struct ieee80211_sta *sta) 3818 { 3819 struct ieee80211_link_sta *link_sta; 3820 unsigned int link_id; 3821 3822 /* Beacon interval check - firmware will crash if the beacon 3823 * interval is less than 16. We can't avoid connecting at all, 3824 * so refuse the station state change, this will cause mac80211 3825 * to abandon attempts to connect to this AP, and eventually 3826 * wpa_s will blocklist the AP... 3827 */ 3828 3829 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3830 struct ieee80211_bss_conf *link_conf = 3831 link_conf_dereference_protected(vif, link_id); 3832 3833 if (!link_conf) 3834 continue; 3835 3836 if (link_conf->beacon_int < IWL_MVM_MIN_BEACON_INTERVAL_TU) { 3837 IWL_ERR(mvm, 3838 "Beacon interval %d for AP %pM is too small\n", 3839 link_conf->beacon_int, link_sta->addr); 3840 return false; 3841 } 3842 3843 link_conf->he_support = link_sta->he_cap.has_he; 3844 } 3845 3846 return true; 3847 } 3848 3849 static void iwl_mvm_vif_set_he_support(struct ieee80211_hw *hw, 3850 struct ieee80211_vif *vif, 3851 struct ieee80211_sta *sta, 3852 bool is_sta) 3853 { 3854 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3855 struct ieee80211_link_sta *link_sta; 3856 unsigned int link_id; 3857 3858 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3859 struct ieee80211_bss_conf *link_conf = 3860 link_conf_dereference_protected(vif, link_id); 3861 3862 if (!link_conf || !mvmvif->link[link_id]) 3863 continue; 3864 3865 link_conf->he_support = link_sta->he_cap.has_he; 3866 3867 if (is_sta) { 3868 mvmvif->link[link_id]->he_ru_2mhz_block = false; 3869 if (link_sta->he_cap.has_he) 3870 iwl_mvm_check_he_obss_narrow_bw_ru(hw, vif, 3871 link_id, 3872 link_conf); 3873 } 3874 } 3875 } 3876 3877 static int 3878 iwl_mvm_sta_state_notexist_to_none(struct iwl_mvm *mvm, 3879 struct ieee80211_vif *vif, 3880 struct ieee80211_sta *sta, 3881 const struct iwl_mvm_sta_state_ops *callbacks) 3882 { 3883 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3884 struct ieee80211_link_sta *link_sta; 3885 unsigned int i; 3886 int ret; 3887 3888 lockdep_assert_held(&mvm->mutex); 3889 3890 if (vif->type == NL80211_IFTYPE_STATION && 3891 !iwl_mvm_vif_conf_from_sta(mvm, vif, sta)) 3892 return -EINVAL; 3893 3894 if (sta->tdls && 3895 (vif->p2p || 3896 iwl_mvm_tdls_sta_count(mvm, NULL) == IWL_MVM_TDLS_STA_COUNT || 3897 iwl_mvm_phy_ctx_count(mvm) > 1)) { 3898 IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); 3899 return -EBUSY; 3900 } 3901 3902 ret = callbacks->add_sta(mvm, vif, sta); 3903 if (sta->tdls && ret == 0) { 3904 iwl_mvm_recalc_tdls_state(mvm, vif, true); 3905 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 3906 NL80211_TDLS_SETUP); 3907 } 3908 3909 if (ret) 3910 return ret; 3911 3912 for_each_sta_active_link(vif, sta, link_sta, i) 3913 link_sta->agg.max_rc_amsdu_len = 1; 3914 3915 ieee80211_sta_recalc_aggregates(sta); 3916 3917 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 3918 mvmvif->ap_sta = sta; 3919 3920 /* 3921 * Initialize the rates here already - this really tells 3922 * the firmware only what the supported legacy rates are 3923 * (may be) since it's initialized already from what the 3924 * AP advertised in the beacon/probe response. This will 3925 * allow the firmware to send auth/assoc frames with one 3926 * of the supported rates already, rather than having to 3927 * use a mandatory rate. 3928 * If we're the AP, we'll just assume mandatory rates at 3929 * this point, but we know nothing about the STA anyway. 3930 */ 3931 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3932 3933 return 0; 3934 } 3935 3936 static int 3937 iwl_mvm_sta_state_auth_to_assoc(struct ieee80211_hw *hw, 3938 struct iwl_mvm *mvm, 3939 struct ieee80211_vif *vif, 3940 struct ieee80211_sta *sta, 3941 const struct iwl_mvm_sta_state_ops *callbacks) 3942 { 3943 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3944 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 3945 struct ieee80211_link_sta *link_sta; 3946 unsigned int link_id; 3947 3948 lockdep_assert_held(&mvm->mutex); 3949 3950 if (vif->type == NL80211_IFTYPE_AP) { 3951 iwl_mvm_vif_set_he_support(hw, vif, sta, false); 3952 mvmvif->ap_assoc_sta_count++; 3953 callbacks->mac_ctxt_changed(mvm, vif, false); 3954 3955 /* since the below is not for MLD API, it's ok to use 3956 * the default bss_conf 3957 */ 3958 if (!mvm->mld_api_is_used && 3959 (vif->bss_conf.he_support && 3960 !iwlwifi_mod_params.disable_11ax)) 3961 iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->deflink.sta_id); 3962 } else if (vif->type == NL80211_IFTYPE_STATION) { 3963 iwl_mvm_vif_set_he_support(hw, vif, sta, true); 3964 3965 callbacks->mac_ctxt_changed(mvm, vif, false); 3966 3967 if (!mvm->mld_api_is_used) 3968 goto out; 3969 3970 for_each_sta_active_link(vif, sta, link_sta, link_id) { 3971 struct ieee80211_bss_conf *link_conf = 3972 link_conf_dereference_protected(vif, link_id); 3973 3974 if (WARN_ON(!link_conf)) 3975 return -EINVAL; 3976 if (!mvmvif->link[link_id]) 3977 continue; 3978 3979 iwl_mvm_link_changed(mvm, vif, link_conf, 3980 LINK_CONTEXT_MODIFY_ALL & 3981 ~LINK_CONTEXT_MODIFY_ACTIVE, 3982 true); 3983 } 3984 } 3985 3986 out: 3987 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 3988 3989 return callbacks->update_sta(mvm, vif, sta); 3990 } 3991 3992 static int 3993 iwl_mvm_sta_state_assoc_to_authorized(struct iwl_mvm *mvm, 3994 struct ieee80211_vif *vif, 3995 struct ieee80211_sta *sta, 3996 const struct iwl_mvm_sta_state_ops *callbacks) 3997 { 3998 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 3999 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4000 4001 lockdep_assert_held(&mvm->mutex); 4002 4003 /* we don't support TDLS during DCM */ 4004 if (iwl_mvm_phy_ctx_count(mvm) > 1) 4005 iwl_mvm_teardown_tdls_peers(mvm); 4006 4007 if (sta->tdls) { 4008 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4009 NL80211_TDLS_ENABLE_LINK); 4010 } else { 4011 /* enable beacon filtering */ 4012 WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif)); 4013 4014 mvmvif->authorized = 1; 4015 4016 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 4017 mvmvif->link_selection_res = vif->active_links; 4018 mvmvif->link_selection_primary = 4019 vif->active_links ? __ffs(vif->active_links) : 0; 4020 } 4021 4022 callbacks->mac_ctxt_changed(mvm, vif, false); 4023 iwl_mvm_mei_host_associated(mvm, vif, mvm_sta); 4024 4025 memset(&mvmvif->last_esr_exit, 0, 4026 sizeof(mvmvif->last_esr_exit)); 4027 4028 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT, 0); 4029 4030 /* Block until FW notif will arrive */ 4031 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 0); 4032 4033 /* when client is authorized (AP station marked as such), 4034 * try to enable the best link(s). 4035 */ 4036 if (vif->type == NL80211_IFTYPE_STATION && 4037 !test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4038 iwl_mvm_select_links(mvm, vif); 4039 } 4040 4041 mvm_sta->authorized = true; 4042 4043 /* MFP is set by default before the station is authorized. 4044 * Clear it here in case it's not used. 4045 */ 4046 if (!sta->mfp) { 4047 int ret = callbacks->update_sta(mvm, vif, sta); 4048 4049 if (ret) 4050 return ret; 4051 } 4052 4053 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4054 4055 return 0; 4056 } 4057 4058 static int 4059 iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, 4060 struct ieee80211_vif *vif, 4061 struct ieee80211_sta *sta, 4062 const struct iwl_mvm_sta_state_ops *callbacks) 4063 { 4064 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4065 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 4066 4067 lockdep_assert_held(&mvm->mutex); 4068 4069 mvmsta->authorized = false; 4070 4071 /* once we move into assoc state, need to update rate scale to 4072 * disable using wide bandwidth 4073 */ 4074 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4075 4076 if (!sta->tdls) { 4077 /* Set this but don't call iwl_mvm_mac_ctxt_changed() 4078 * yet to avoid sending high prio again for a little 4079 * time. 4080 */ 4081 mvmvif->authorized = 0; 4082 mvmvif->link_selection_res = 0; 4083 4084 /* disable beacon filtering */ 4085 iwl_mvm_disable_beacon_filter(mvm, vif); 4086 4087 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4088 &mvmvif->prevent_esr_done_wk); 4089 4090 wiphy_delayed_work_cancel(mvm->hw->wiphy, 4091 &mvmvif->mlo_int_scan_wk); 4092 4093 wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); 4094 4095 /* No need for the periodic statistics anymore */ 4096 if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) 4097 iwl_mvm_request_periodic_system_statistics(mvm, false); 4098 } 4099 4100 return 0; 4101 } 4102 4103 /* Common part for MLD and non-MLD modes */ 4104 int iwl_mvm_mac_sta_state_common(struct ieee80211_hw *hw, 4105 struct ieee80211_vif *vif, 4106 struct ieee80211_sta *sta, 4107 enum ieee80211_sta_state old_state, 4108 enum ieee80211_sta_state new_state, 4109 const struct iwl_mvm_sta_state_ops *callbacks) 4110 { 4111 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4112 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4113 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 4114 struct ieee80211_link_sta *link_sta; 4115 unsigned int link_id; 4116 int ret; 4117 4118 IWL_DEBUG_MAC80211(mvm, "station %pM state change %d->%d\n", 4119 sta->addr, old_state, new_state); 4120 4121 /* 4122 * If we are in a STA removal flow and in DQA mode: 4123 * 4124 * This is after the sync_rcu part, so the queues have already been 4125 * flushed. No more TXs on their way in mac80211's path, and no more in 4126 * the queues. 4127 * Also, we won't be getting any new TX frames for this station. 4128 * What we might have are deferred TX frames that need to be taken care 4129 * of. 4130 * 4131 * Drop any still-queued deferred-frame before removing the STA, and 4132 * make sure the worker is no longer handling frames for this STA. 4133 */ 4134 if (old_state == IEEE80211_STA_NONE && 4135 new_state == IEEE80211_STA_NOTEXIST) { 4136 flush_work(&mvm->add_stream_wk); 4137 4138 /* 4139 * No need to make sure deferred TX indication is off since the 4140 * worker will already remove it if it was on 4141 */ 4142 4143 /* 4144 * Additionally, reset the 40 MHz capability if we disconnected 4145 * from the AP now. 4146 */ 4147 iwl_mvm_reset_cca_40mhz_workaround(mvm, vif); 4148 4149 /* Also free dup data just in case any assertions below fail */ 4150 kfree(mvm_sta->dup_data); 4151 } 4152 4153 mutex_lock(&mvm->mutex); 4154 4155 /* this would be a mac80211 bug ... but don't crash, unless we had a 4156 * firmware crash while we were activating a link, in which case it is 4157 * legit to have phy_ctxt = NULL. Don't bother not to WARN if we are in 4158 * recovery flow since we spit tons of error messages anyway. 4159 */ 4160 for_each_sta_active_link(vif, sta, link_sta, link_id) { 4161 if (WARN_ON_ONCE(!mvmvif->link[link_id] || 4162 !mvmvif->link[link_id]->phy_ctxt)) { 4163 mutex_unlock(&mvm->mutex); 4164 return test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4165 &mvm->status) ? 0 : -EINVAL; 4166 } 4167 } 4168 4169 /* track whether or not the station is associated */ 4170 mvm_sta->sta_state = new_state; 4171 4172 if (old_state == IEEE80211_STA_NOTEXIST && 4173 new_state == IEEE80211_STA_NONE) { 4174 ret = iwl_mvm_sta_state_notexist_to_none(mvm, vif, sta, 4175 callbacks); 4176 if (ret < 0) 4177 goto out_unlock; 4178 } else if (old_state == IEEE80211_STA_NONE && 4179 new_state == IEEE80211_STA_AUTH) { 4180 /* 4181 * EBS may be disabled due to previous failures reported by FW. 4182 * Reset EBS status here assuming environment has been changed. 4183 */ 4184 mvm->last_ebs_successful = true; 4185 iwl_mvm_check_uapsd(mvm, vif, sta->addr); 4186 ret = 0; 4187 } else if (old_state == IEEE80211_STA_AUTH && 4188 new_state == IEEE80211_STA_ASSOC) { 4189 ret = iwl_mvm_sta_state_auth_to_assoc(hw, mvm, vif, sta, 4190 callbacks); 4191 } else if (old_state == IEEE80211_STA_ASSOC && 4192 new_state == IEEE80211_STA_AUTHORIZED) { 4193 ret = iwl_mvm_sta_state_assoc_to_authorized(mvm, vif, sta, 4194 callbacks); 4195 } else if (old_state == IEEE80211_STA_AUTHORIZED && 4196 new_state == IEEE80211_STA_ASSOC) { 4197 ret = iwl_mvm_sta_state_authorized_to_assoc(mvm, vif, sta, 4198 callbacks); 4199 } else if (old_state == IEEE80211_STA_ASSOC && 4200 new_state == IEEE80211_STA_AUTH) { 4201 if (vif->type == NL80211_IFTYPE_AP) { 4202 mvmvif->ap_assoc_sta_count--; 4203 callbacks->mac_ctxt_changed(mvm, vif, false); 4204 } else if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) 4205 iwl_mvm_stop_session_protection(mvm, vif); 4206 ret = 0; 4207 } else if (old_state == IEEE80211_STA_AUTH && 4208 new_state == IEEE80211_STA_NONE) { 4209 ret = 0; 4210 } else if (old_state == IEEE80211_STA_NONE && 4211 new_state == IEEE80211_STA_NOTEXIST) { 4212 if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { 4213 iwl_mvm_stop_session_protection(mvm, vif); 4214 mvmvif->ap_sta = NULL; 4215 } 4216 ret = callbacks->rm_sta(mvm, vif, sta); 4217 if (sta->tdls) { 4218 iwl_mvm_recalc_tdls_state(mvm, vif, false); 4219 iwl_mvm_tdls_check_trigger(mvm, vif, sta->addr, 4220 NL80211_TDLS_DISABLE_LINK); 4221 } 4222 4223 if (unlikely(ret && 4224 test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 4225 &mvm->status))) 4226 ret = 0; 4227 } else { 4228 ret = -EIO; 4229 } 4230 out_unlock: 4231 mutex_unlock(&mvm->mutex); 4232 4233 if (sta->tdls && ret == 0) { 4234 if (old_state == IEEE80211_STA_NOTEXIST && 4235 new_state == IEEE80211_STA_NONE) 4236 ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4237 else if (old_state == IEEE80211_STA_NONE && 4238 new_state == IEEE80211_STA_NOTEXIST) 4239 ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID); 4240 } 4241 4242 return ret; 4243 } 4244 4245 int iwl_mvm_mac_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 4246 { 4247 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4248 4249 mvm->rts_threshold = value; 4250 4251 return 0; 4252 } 4253 4254 void iwl_mvm_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4255 struct ieee80211_sta *sta, u32 changed) 4256 { 4257 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4258 4259 if (changed & (IEEE80211_RC_BW_CHANGED | 4260 IEEE80211_RC_SUPP_RATES_CHANGED | 4261 IEEE80211_RC_NSS_CHANGED)) 4262 iwl_mvm_rs_rate_init_all_links(mvm, vif, sta); 4263 4264 if (vif->type == NL80211_IFTYPE_STATION && 4265 changed & IEEE80211_RC_NSS_CHANGED) 4266 iwl_mvm_sf_update(mvm, vif, false); 4267 } 4268 4269 static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw, 4270 struct ieee80211_vif *vif, 4271 unsigned int link_id, u16 ac, 4272 const struct ieee80211_tx_queue_params *params) 4273 { 4274 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4275 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4276 4277 mvmvif->deflink.queue_params[ac] = *params; 4278 4279 /* 4280 * No need to update right away, we'll get BSS_CHANGED_QOS 4281 * The exception is P2P_DEVICE interface which needs immediate update. 4282 */ 4283 if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { 4284 guard(mvm)(mvm); 4285 return iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 4286 } 4287 return 0; 4288 } 4289 4290 void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, 4291 struct ieee80211_vif *vif, 4292 struct ieee80211_prep_tx_info *info) 4293 { 4294 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4295 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4296 4297 if (info->was_assoc && !mvmvif->session_prot_connection_loss) 4298 return; 4299 4300 guard(mvm)(mvm); 4301 iwl_mvm_protect_assoc(mvm, vif, info->duration, info->link_id); 4302 } 4303 4304 void iwl_mvm_mac_mgd_complete_tx(struct ieee80211_hw *hw, 4305 struct ieee80211_vif *vif, 4306 struct ieee80211_prep_tx_info *info) 4307 { 4308 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4309 4310 /* for successful cases (auth/assoc), don't cancel session protection */ 4311 if (info->success) 4312 return; 4313 4314 guard(mvm)(mvm); 4315 iwl_mvm_stop_session_protection(mvm, vif); 4316 } 4317 4318 int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, 4319 struct ieee80211_vif *vif, 4320 struct cfg80211_sched_scan_request *req, 4321 struct ieee80211_scan_ies *ies) 4322 { 4323 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4324 4325 guard(mvm)(mvm); 4326 4327 if (!vif->cfg.idle) 4328 return -EBUSY; 4329 4330 return iwl_mvm_sched_scan_start(mvm, vif, req, ies, IWL_MVM_SCAN_SCHED); 4331 } 4332 4333 int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, 4334 struct ieee80211_vif *vif) 4335 { 4336 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4337 int ret; 4338 4339 mutex_lock(&mvm->mutex); 4340 4341 /* Due to a race condition, it's possible that mac80211 asks 4342 * us to stop a sched_scan when it's already stopped. This 4343 * can happen, for instance, if we stopped the scan ourselves, 4344 * called ieee80211_sched_scan_stopped() and the userspace called 4345 * stop sched scan scan before ieee80211_sched_scan_stopped_work() 4346 * could run. To handle this, simply return if the scan is 4347 * not running. 4348 */ 4349 if (!(mvm->scan_status & IWL_MVM_SCAN_SCHED)) { 4350 mutex_unlock(&mvm->mutex); 4351 return 0; 4352 } 4353 4354 ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, false); 4355 mutex_unlock(&mvm->mutex); 4356 iwl_mvm_wait_for_async_handlers(mvm); 4357 4358 return ret; 4359 } 4360 4361 static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw, 4362 enum set_key_cmd cmd, 4363 struct ieee80211_vif *vif, 4364 struct ieee80211_sta *sta, 4365 struct ieee80211_key_conf *key) 4366 { 4367 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4368 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4369 struct iwl_mvm_sta *mvmsta = NULL; 4370 struct iwl_mvm_key_pn *ptk_pn = NULL; 4371 int keyidx = key->keyidx; 4372 u32 sec_key_id = WIDE_ID(DATA_PATH_GROUP, SEC_KEY_CMD); 4373 u8 sec_key_ver = iwl_fw_lookup_cmd_ver(mvm->fw, sec_key_id, 0); 4374 int ret, i; 4375 u8 key_offset; 4376 4377 if (sta) 4378 mvmsta = iwl_mvm_sta_from_mac80211(sta); 4379 4380 switch (key->cipher) { 4381 case WLAN_CIPHER_SUITE_TKIP: 4382 if (!mvm->trans->trans_cfg->gen2) { 4383 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 4384 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4385 } else if (vif->type == NL80211_IFTYPE_STATION) { 4386 key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE; 4387 } else { 4388 IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n"); 4389 return -EOPNOTSUPP; 4390 } 4391 break; 4392 case WLAN_CIPHER_SUITE_CCMP: 4393 case WLAN_CIPHER_SUITE_GCMP: 4394 case WLAN_CIPHER_SUITE_GCMP_256: 4395 if (!iwl_mvm_has_new_tx_api(mvm)) 4396 key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; 4397 break; 4398 case WLAN_CIPHER_SUITE_AES_CMAC: 4399 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 4400 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 4401 WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); 4402 break; 4403 case WLAN_CIPHER_SUITE_WEP40: 4404 case WLAN_CIPHER_SUITE_WEP104: 4405 if (vif->type == NL80211_IFTYPE_STATION) 4406 break; 4407 if (iwl_mvm_has_new_tx_api(mvm)) 4408 return -EOPNOTSUPP; 4409 /* support HW crypto on TX */ 4410 return 0; 4411 default: 4412 return -EOPNOTSUPP; 4413 } 4414 4415 switch (cmd) { 4416 case SET_KEY: 4417 if (vif->type == NL80211_IFTYPE_STATION && 4418 (keyidx == 6 || keyidx == 7)) 4419 rcu_assign_pointer(mvmvif->bcn_prot.keys[keyidx - 6], 4420 key); 4421 4422 if ((vif->type == NL80211_IFTYPE_ADHOC || 4423 vif->type == NL80211_IFTYPE_AP) && !sta) { 4424 /* 4425 * GTK on AP interface is a TX-only key, return 0; 4426 * on IBSS they're per-station and because we're lazy 4427 * we don't support them for RX, so do the same. 4428 * CMAC/GMAC in AP/IBSS modes must be done in software 4429 * on older NICs. 4430 * 4431 * Except, of course, beacon protection - it must be 4432 * offloaded since we just set a beacon template, and 4433 * then we must also offload the IGTK (not just BIGTK) 4434 * for firmware reasons. 4435 * 4436 * So just check for beacon protection - if we don't 4437 * have it we cannot get here with keyidx >= 6, and 4438 * if we do have it we need to send the key to FW in 4439 * all cases (CMAC/GMAC). 4440 */ 4441 if (!wiphy_ext_feature_isset(hw->wiphy, 4442 NL80211_EXT_FEATURE_BEACON_PROTECTION) && 4443 (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || 4444 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || 4445 key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) { 4446 ret = -EOPNOTSUPP; 4447 break; 4448 } 4449 4450 if (key->cipher != WLAN_CIPHER_SUITE_GCMP && 4451 key->cipher != WLAN_CIPHER_SUITE_GCMP_256 && 4452 !iwl_mvm_has_new_tx_api(mvm)) { 4453 key->hw_key_idx = STA_KEY_IDX_INVALID; 4454 ret = 0; 4455 break; 4456 } 4457 4458 if (!mvmvif->ap_ibss_active) { 4459 for (i = 0; 4460 i < ARRAY_SIZE(mvmvif->ap_early_keys); 4461 i++) { 4462 if (!mvmvif->ap_early_keys[i]) { 4463 mvmvif->ap_early_keys[i] = key; 4464 break; 4465 } 4466 } 4467 4468 if (i >= ARRAY_SIZE(mvmvif->ap_early_keys)) 4469 ret = -ENOSPC; 4470 else 4471 ret = 0; 4472 4473 break; 4474 } 4475 } 4476 4477 /* During FW restart, in order to restore the state as it was, 4478 * don't try to reprogram keys we previously failed for. 4479 */ 4480 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4481 key->hw_key_idx == STA_KEY_IDX_INVALID) { 4482 IWL_DEBUG_MAC80211(mvm, 4483 "skip invalid idx key programming during restart\n"); 4484 ret = 0; 4485 break; 4486 } 4487 4488 if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && 4489 mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4490 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4491 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4492 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4493 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4494 struct ieee80211_key_seq seq; 4495 int tid, q; 4496 4497 WARN_ON(rcu_access_pointer(mvmsta->ptk_pn[keyidx])); 4498 ptk_pn = kzalloc(struct_size(ptk_pn, q, 4499 mvm->trans->num_rx_queues), 4500 GFP_KERNEL); 4501 if (!ptk_pn) { 4502 ret = -ENOMEM; 4503 break; 4504 } 4505 4506 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { 4507 ieee80211_get_key_rx_seq(key, tid, &seq); 4508 for (q = 0; q < mvm->trans->num_rx_queues; q++) 4509 memcpy(ptk_pn->q[q].pn[tid], 4510 seq.ccmp.pn, 4511 IEEE80211_CCMP_PN_LEN); 4512 } 4513 4514 rcu_assign_pointer(mvmsta->ptk_pn[keyidx], ptk_pn); 4515 } 4516 4517 /* in HW restart reuse the index, otherwise request a new one */ 4518 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) 4519 key_offset = key->hw_key_idx; 4520 else 4521 key_offset = STA_KEY_IDX_INVALID; 4522 4523 if (mvmsta && key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 4524 mvmsta->pairwise_cipher = key->cipher; 4525 4526 IWL_DEBUG_MAC80211(mvm, "set hwcrypto key (sta:%pM, id:%d)\n", 4527 sta ? sta->addr : NULL, key->keyidx); 4528 4529 if (sec_key_ver) 4530 ret = iwl_mvm_sec_key_add(mvm, vif, sta, key); 4531 else 4532 ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); 4533 4534 if (ret) { 4535 IWL_WARN(mvm, "set key failed\n"); 4536 key->hw_key_idx = STA_KEY_IDX_INVALID; 4537 if (ptk_pn) { 4538 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4539 kfree(ptk_pn); 4540 } 4541 /* 4542 * can't add key for RX, but we don't need it 4543 * in the device for TX so still return 0, 4544 * unless we have new TX API where we cannot 4545 * put key material into the TX_CMD 4546 */ 4547 if (iwl_mvm_has_new_tx_api(mvm)) 4548 ret = -EOPNOTSUPP; 4549 else 4550 ret = 0; 4551 } 4552 4553 break; 4554 case DISABLE_KEY: 4555 if (vif->type == NL80211_IFTYPE_STATION && 4556 (keyidx == 6 || keyidx == 7)) 4557 RCU_INIT_POINTER(mvmvif->bcn_prot.keys[keyidx - 6], 4558 NULL); 4559 4560 ret = -ENOENT; 4561 for (i = 0; i < ARRAY_SIZE(mvmvif->ap_early_keys); i++) { 4562 if (mvmvif->ap_early_keys[i] == key) { 4563 mvmvif->ap_early_keys[i] = NULL; 4564 ret = 0; 4565 } 4566 } 4567 4568 /* found in pending list - don't do anything else */ 4569 if (ret == 0) 4570 break; 4571 4572 if (key->hw_key_idx == STA_KEY_IDX_INVALID) { 4573 ret = 0; 4574 break; 4575 } 4576 4577 if (mvmsta && iwl_mvm_has_new_rx_api(mvm) && 4578 key->flags & IEEE80211_KEY_FLAG_PAIRWISE && 4579 (key->cipher == WLAN_CIPHER_SUITE_CCMP || 4580 key->cipher == WLAN_CIPHER_SUITE_GCMP || 4581 key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { 4582 ptk_pn = rcu_dereference_protected( 4583 mvmsta->ptk_pn[keyidx], 4584 lockdep_is_held(&mvm->mutex)); 4585 RCU_INIT_POINTER(mvmsta->ptk_pn[keyidx], NULL); 4586 if (ptk_pn) 4587 kfree_rcu(ptk_pn, rcu_head); 4588 } 4589 4590 IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n"); 4591 if (sec_key_ver) 4592 ret = iwl_mvm_sec_key_del(mvm, vif, sta, key); 4593 else 4594 ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key); 4595 break; 4596 default: 4597 ret = -EINVAL; 4598 } 4599 4600 return ret; 4601 } 4602 4603 int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 4604 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 4605 struct ieee80211_key_conf *key) 4606 { 4607 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4608 4609 guard(mvm)(mvm); 4610 return __iwl_mvm_mac_set_key(hw, cmd, vif, sta, key); 4611 } 4612 4613 void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, 4614 struct ieee80211_vif *vif, 4615 struct ieee80211_key_conf *keyconf, 4616 struct ieee80211_sta *sta, 4617 u32 iv32, u16 *phase1key) 4618 { 4619 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4620 4621 if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) 4622 return; 4623 4624 iwl_mvm_update_tkip_key(mvm, vif, keyconf, sta, iv32, phase1key); 4625 } 4626 4627 4628 static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, 4629 struct iwl_rx_packet *pkt, void *data) 4630 { 4631 struct iwl_mvm *mvm = 4632 container_of(notif_wait, struct iwl_mvm, notif_wait); 4633 struct iwl_hs20_roc_res *resp; 4634 int resp_len = iwl_rx_packet_payload_len(pkt); 4635 struct iwl_mvm_time_event_data *te_data = data; 4636 4637 if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) 4638 return true; 4639 4640 if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { 4641 IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); 4642 return true; 4643 } 4644 4645 resp = (void *)pkt->data; 4646 4647 IWL_DEBUG_TE(mvm, 4648 "Aux ROC: Received response from ucode: status=%d uid=%d\n", 4649 resp->status, resp->event_unique_id); 4650 4651 te_data->uid = le32_to_cpu(resp->event_unique_id); 4652 IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", 4653 te_data->uid); 4654 4655 spin_lock_bh(&mvm->time_event_lock); 4656 list_add_tail(&te_data->list, &mvm->aux_roc_te_list); 4657 spin_unlock_bh(&mvm->time_event_lock); 4658 4659 return true; 4660 } 4661 4662 static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, 4663 struct ieee80211_channel *channel, 4664 struct ieee80211_vif *vif, 4665 int duration) 4666 { 4667 int res; 4668 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4669 struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; 4670 static const u16 time_event_response[] = { HOT_SPOT_CMD }; 4671 struct iwl_notification_wait wait_time_event; 4672 u32 req_dur, delay; 4673 struct iwl_hs20_roc_req aux_roc_req = { 4674 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 4675 .id_and_color = 4676 cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), 4677 .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), 4678 }; 4679 struct iwl_hs20_roc_req_tail *tail = iwl_mvm_chan_info_cmd_tail(mvm, 4680 &aux_roc_req.channel_info); 4681 u16 len = sizeof(aux_roc_req) - iwl_mvm_chan_info_padding(mvm); 4682 4683 /* Set the channel info data */ 4684 iwl_mvm_set_chan_info(mvm, &aux_roc_req.channel_info, channel->hw_value, 4685 iwl_mvm_phy_band_from_nl80211(channel->band), 4686 IWL_PHY_CHANNEL_MODE20, 4687 0); 4688 4689 /* Set the time and duration */ 4690 tail->apply_time = cpu_to_le32(iwl_mvm_get_systime(mvm)); 4691 4692 iwl_mvm_roc_duration_and_delay(vif, duration, &req_dur, &delay); 4693 tail->duration = cpu_to_le32(req_dur); 4694 tail->apply_time_max_delay = cpu_to_le32(delay); 4695 4696 IWL_DEBUG_TE(mvm, 4697 "ROC: Requesting to remain on channel %u for %ums\n", 4698 channel->hw_value, req_dur); 4699 IWL_DEBUG_TE(mvm, 4700 "\t(requested = %ums, max_delay = %ums)\n", 4701 duration, delay); 4702 4703 /* Set the node address */ 4704 memcpy(tail->node_addr, vif->addr, ETH_ALEN); 4705 4706 lockdep_assert_held(&mvm->mutex); 4707 4708 spin_lock_bh(&mvm->time_event_lock); 4709 4710 if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { 4711 spin_unlock_bh(&mvm->time_event_lock); 4712 return -EIO; 4713 } 4714 4715 te_data->vif = vif; 4716 te_data->duration = duration; 4717 te_data->id = HOT_SPOT_CMD; 4718 4719 spin_unlock_bh(&mvm->time_event_lock); 4720 4721 /* 4722 * Use a notification wait, which really just processes the 4723 * command response and doesn't wait for anything, in order 4724 * to be able to process the response and get the UID inside 4725 * the RX path. Using CMD_WANT_SKB doesn't work because it 4726 * stores the buffer and then wakes up this thread, by which 4727 * time another notification (that the time event started) 4728 * might already be processed unsuccessfully. 4729 */ 4730 iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, 4731 time_event_response, 4732 ARRAY_SIZE(time_event_response), 4733 iwl_mvm_rx_aux_roc, te_data); 4734 4735 res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, len, 4736 &aux_roc_req); 4737 4738 if (res) { 4739 IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); 4740 iwl_remove_notification(&mvm->notif_wait, &wait_time_event); 4741 goto out_clear_te; 4742 } 4743 4744 /* No need to wait for anything, so just pass 1 (0 isn't valid) */ 4745 res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); 4746 /* should never fail */ 4747 WARN_ON_ONCE(res); 4748 4749 if (res) { 4750 out_clear_te: 4751 spin_lock_bh(&mvm->time_event_lock); 4752 iwl_mvm_te_clear_data(mvm, te_data); 4753 spin_unlock_bh(&mvm->time_event_lock); 4754 } 4755 4756 return res; 4757 } 4758 4759 static int iwl_mvm_add_aux_sta_for_hs20(struct iwl_mvm *mvm, u32 lmac_id) 4760 { 4761 int ret = 0; 4762 4763 lockdep_assert_held(&mvm->mutex); 4764 4765 if (!fw_has_capa(&mvm->fw->ucode_capa, 4766 IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT)) { 4767 IWL_ERR(mvm, "hotspot not supported\n"); 4768 return -EINVAL; 4769 } 4770 4771 if (iwl_mvm_has_new_station_api(mvm->fw)) { 4772 ret = iwl_mvm_add_aux_sta(mvm, lmac_id); 4773 WARN(ret, "Failed to allocate aux station"); 4774 } 4775 4776 return ret; 4777 } 4778 4779 static int iwl_mvm_roc_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 4780 { 4781 int ret; 4782 4783 lockdep_assert_held(&mvm->mutex); 4784 4785 ret = iwl_mvm_binding_add_vif(mvm, vif); 4786 if (WARN(ret, "Failed binding P2P_DEVICE\n")) 4787 return ret; 4788 4789 /* The station and queue allocation must be done only after the binding 4790 * is done, as otherwise the FW might incorrectly configure its state. 4791 */ 4792 return iwl_mvm_add_p2p_bcast_sta(mvm, vif); 4793 } 4794 4795 static int iwl_mvm_roc(struct ieee80211_hw *hw, 4796 struct ieee80211_vif *vif, 4797 struct ieee80211_channel *channel, 4798 int duration, 4799 enum ieee80211_roc_type type) 4800 { 4801 static const struct iwl_mvm_roc_ops ops = { 4802 .add_aux_sta_for_hs20 = iwl_mvm_add_aux_sta_for_hs20, 4803 .link = iwl_mvm_roc_link, 4804 }; 4805 4806 return iwl_mvm_roc_common(hw, vif, channel, duration, type, &ops); 4807 } 4808 4809 static int iwl_mvm_roc_station(struct iwl_mvm *mvm, 4810 struct ieee80211_channel *channel, 4811 struct ieee80211_vif *vif, 4812 int duration) 4813 { 4814 int ret; 4815 u32 cmd_id = WIDE_ID(MAC_CONF_GROUP, ROC_CMD); 4816 u8 fw_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 4817 IWL_FW_CMD_VER_UNKNOWN); 4818 4819 if (fw_ver == IWL_FW_CMD_VER_UNKNOWN) { 4820 ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); 4821 } else if (fw_ver >= 3) { 4822 ret = iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, 4823 ROC_ACTIVITY_HOTSPOT); 4824 } else { 4825 ret = -EOPNOTSUPP; 4826 IWL_ERR(mvm, "ROC command version %d mismatch!\n", fw_ver); 4827 } 4828 4829 return ret; 4830 } 4831 4832 static int iwl_mvm_roc_p2p(struct iwl_mvm *mvm, 4833 struct ieee80211_channel *channel, 4834 struct ieee80211_vif *vif, 4835 int duration, 4836 enum ieee80211_roc_type type) 4837 { 4838 enum iwl_roc_activity activity; 4839 int ret; 4840 4841 lockdep_assert_held(&mvm->mutex); 4842 4843 switch (type) { 4844 case IEEE80211_ROC_TYPE_NORMAL: 4845 activity = ROC_ACTIVITY_P2P_DISC; 4846 break; 4847 case IEEE80211_ROC_TYPE_MGMT_TX: 4848 activity = ROC_ACTIVITY_P2P_NEG; 4849 break; 4850 default: 4851 WARN_ONCE(1, "Got an invalid P2P ROC type\n"); 4852 return -EINVAL; 4853 } 4854 4855 ret = iwl_mvm_mld_add_aux_sta(mvm, 4856 iwl_mvm_get_lmac_id(mvm, channel->band)); 4857 if (ret) 4858 return ret; 4859 4860 return iwl_mvm_roc_add_cmd(mvm, channel, vif, duration, activity); 4861 } 4862 4863 static int iwl_mvm_p2p_find_phy_ctxt(struct iwl_mvm *mvm, 4864 struct ieee80211_vif *vif, 4865 struct ieee80211_channel *channel) 4866 { 4867 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 4868 struct cfg80211_chan_def chandef; 4869 int i; 4870 4871 lockdep_assert_held(&mvm->mutex); 4872 4873 if (mvmvif->deflink.phy_ctxt && 4874 channel == mvmvif->deflink.phy_ctxt->channel) 4875 return 0; 4876 4877 /* Try using a PHY context that is already in use */ 4878 for (i = 0; i < NUM_PHY_CTX; i++) { 4879 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[i]; 4880 4881 if (!phy_ctxt->ref || mvmvif->deflink.phy_ctxt == phy_ctxt) 4882 continue; 4883 4884 if (channel == phy_ctxt->channel) { 4885 if (mvmvif->deflink.phy_ctxt) 4886 iwl_mvm_phy_ctxt_unref(mvm, 4887 mvmvif->deflink.phy_ctxt); 4888 4889 mvmvif->deflink.phy_ctxt = phy_ctxt; 4890 iwl_mvm_phy_ctxt_ref(mvm, mvmvif->deflink.phy_ctxt); 4891 return 0; 4892 } 4893 } 4894 4895 /* We already have a phy_ctxt, but it's not on the right channel */ 4896 if (mvmvif->deflink.phy_ctxt) 4897 iwl_mvm_phy_ctxt_unref(mvm, mvmvif->deflink.phy_ctxt); 4898 4899 mvmvif->deflink.phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 4900 if (!mvmvif->deflink.phy_ctxt) 4901 return -ENOSPC; 4902 4903 cfg80211_chandef_create(&chandef, channel, NL80211_CHAN_NO_HT); 4904 4905 return iwl_mvm_phy_ctxt_add(mvm, mvmvif->deflink.phy_ctxt, 4906 &chandef, NULL, 1, 1); 4907 } 4908 4909 /* Execute the common part for MLD and non-MLD modes */ 4910 int iwl_mvm_roc_common(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4911 struct ieee80211_channel *channel, int duration, 4912 enum ieee80211_roc_type type, 4913 const struct iwl_mvm_roc_ops *ops) 4914 { 4915 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4916 struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); 4917 u32 lmac_id; 4918 int ret; 4919 4920 IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, 4921 duration, type); 4922 4923 /* 4924 * Flush the done work, just in case it's still pending, so that 4925 * the work it does can complete and we can accept new frames. 4926 */ 4927 flush_work(&mvm->roc_done_wk); 4928 4929 if (!IS_ERR_OR_NULL(bss_vif)) { 4930 ret = iwl_mvm_block_esr_sync(mvm, bss_vif, 4931 IWL_MVM_ESR_BLOCKED_ROC); 4932 if (ret) 4933 return ret; 4934 } 4935 4936 guard(mvm)(mvm); 4937 4938 switch (vif->type) { 4939 case NL80211_IFTYPE_STATION: 4940 lmac_id = iwl_mvm_get_lmac_id(mvm, channel->band); 4941 4942 /* Use aux roc framework (HS20) */ 4943 ret = ops->add_aux_sta_for_hs20(mvm, lmac_id); 4944 if (!ret) 4945 ret = iwl_mvm_roc_station(mvm, channel, vif, duration); 4946 return ret; 4947 case NL80211_IFTYPE_P2P_DEVICE: 4948 /* handle below */ 4949 break; 4950 default: 4951 IWL_ERR(mvm, "ROC: Invalid vif type=%u\n", vif->type); 4952 return -EINVAL; 4953 } 4954 4955 if (iwl_mvm_has_p2p_over_aux(mvm)) { 4956 ret = iwl_mvm_roc_p2p(mvm, channel, vif, duration, type); 4957 return ret; 4958 } 4959 4960 ret = iwl_mvm_p2p_find_phy_ctxt(mvm, vif, channel); 4961 if (ret) 4962 return ret; 4963 4964 ret = ops->link(mvm, vif); 4965 if (ret) 4966 return ret; 4967 4968 return iwl_mvm_start_p2p_roc(mvm, vif, duration, type); 4969 } 4970 4971 int iwl_mvm_cancel_roc(struct ieee80211_hw *hw, 4972 struct ieee80211_vif *vif) 4973 { 4974 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 4975 4976 IWL_DEBUG_MAC80211(mvm, "enter\n"); 4977 4978 iwl_mvm_stop_roc(mvm, vif); 4979 4980 IWL_DEBUG_MAC80211(mvm, "leave\n"); 4981 return 0; 4982 } 4983 4984 struct iwl_mvm_ftm_responder_iter_data { 4985 bool responder; 4986 struct ieee80211_chanctx_conf *ctx; 4987 }; 4988 4989 static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac, 4990 struct ieee80211_vif *vif) 4991 { 4992 struct iwl_mvm_ftm_responder_iter_data *data = _data; 4993 4994 if (rcu_access_pointer(vif->bss_conf.chanctx_conf) == data->ctx && 4995 vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params) 4996 data->responder = true; 4997 } 4998 4999 bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm, 5000 struct ieee80211_chanctx_conf *ctx) 5001 { 5002 struct iwl_mvm_ftm_responder_iter_data data = { 5003 .responder = false, 5004 .ctx = ctx, 5005 }; 5006 5007 ieee80211_iterate_active_interfaces_atomic(mvm->hw, 5008 IEEE80211_IFACE_ITER_NORMAL, 5009 iwl_mvm_ftm_responder_chanctx_iter, 5010 &data); 5011 return data.responder; 5012 } 5013 5014 static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, 5015 struct ieee80211_chanctx_conf *ctx) 5016 { 5017 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5018 struct iwl_mvm_phy_ctxt *phy_ctxt; 5019 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5020 int ret; 5021 5022 lockdep_assert_held(&mvm->mutex); 5023 5024 IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); 5025 5026 phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); 5027 if (!phy_ctxt) { 5028 ret = -ENOSPC; 5029 goto out; 5030 } 5031 5032 ret = iwl_mvm_phy_ctxt_add(mvm, phy_ctxt, def, &ctx->ap, 5033 ctx->rx_chains_static, 5034 ctx->rx_chains_dynamic); 5035 if (ret) { 5036 IWL_ERR(mvm, "Failed to add PHY context\n"); 5037 goto out; 5038 } 5039 5040 *phy_ctxt_id = phy_ctxt->id; 5041 out: 5042 return ret; 5043 } 5044 5045 int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, 5046 struct ieee80211_chanctx_conf *ctx) 5047 { 5048 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5049 5050 guard(mvm)(mvm); 5051 return __iwl_mvm_add_chanctx(mvm, ctx); 5052 } 5053 5054 static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, 5055 struct ieee80211_chanctx_conf *ctx) 5056 { 5057 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5058 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5059 5060 lockdep_assert_held(&mvm->mutex); 5061 5062 iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); 5063 } 5064 5065 void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, 5066 struct ieee80211_chanctx_conf *ctx) 5067 { 5068 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5069 5070 guard(mvm)(mvm); 5071 __iwl_mvm_remove_chanctx(mvm, ctx); 5072 } 5073 5074 void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, 5075 struct ieee80211_chanctx_conf *ctx, u32 changed) 5076 { 5077 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5078 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5079 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5080 struct cfg80211_chan_def *def = iwl_mvm_chanctx_def(mvm, ctx); 5081 5082 if (WARN_ONCE((phy_ctxt->ref > 1) && 5083 (changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH | 5084 IEEE80211_CHANCTX_CHANGE_RX_CHAINS | 5085 IEEE80211_CHANCTX_CHANGE_RADAR | 5086 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH)), 5087 "Cannot change PHY. Ref=%d, changed=0x%X\n", 5088 phy_ctxt->ref, changed)) 5089 return; 5090 5091 guard(mvm)(mvm); 5092 5093 /* we are only changing the min_width, may be a noop */ 5094 if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) { 5095 if (phy_ctxt->width == def->width) 5096 return; 5097 5098 /* we are just toggling between 20_NOHT and 20 */ 5099 if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 && 5100 def->width <= NL80211_CHAN_WIDTH_20) 5101 return; 5102 } 5103 5104 iwl_mvm_bt_coex_vif_change(mvm); 5105 iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def, &ctx->ap, 5106 ctx->rx_chains_static, 5107 ctx->rx_chains_dynamic); 5108 } 5109 5110 /* 5111 * This function executes the common part for MLD and non-MLD modes. 5112 * 5113 * Returns true if we're done assigning the chanctx 5114 * (either on failure or success) 5115 */ 5116 static bool 5117 __iwl_mvm_assign_vif_chanctx_common(struct iwl_mvm *mvm, 5118 struct ieee80211_vif *vif, 5119 struct ieee80211_chanctx_conf *ctx, 5120 bool switching_chanctx, int *ret) 5121 { 5122 u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; 5123 struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; 5124 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5125 5126 lockdep_assert_held(&mvm->mutex); 5127 5128 mvmvif->deflink.phy_ctxt = phy_ctxt; 5129 5130 switch (vif->type) { 5131 case NL80211_IFTYPE_AP: 5132 /* only needed if we're switching chanctx (i.e. during CSA) */ 5133 if (switching_chanctx) { 5134 mvmvif->ap_ibss_active = true; 5135 break; 5136 } 5137 fallthrough; 5138 case NL80211_IFTYPE_ADHOC: 5139 /* 5140 * The AP binding flow is handled as part of the start_ap flow 5141 * (in bss_info_changed), similarly for IBSS. 5142 */ 5143 *ret = 0; 5144 return true; 5145 case NL80211_IFTYPE_STATION: 5146 break; 5147 case NL80211_IFTYPE_MONITOR: 5148 /* always disable PS when a monitor interface is active */ 5149 mvmvif->ps_disabled = true; 5150 break; 5151 default: 5152 *ret = -EINVAL; 5153 return true; 5154 } 5155 return false; 5156 } 5157 5158 static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, 5159 struct ieee80211_vif *vif, 5160 struct ieee80211_bss_conf *link_conf, 5161 struct ieee80211_chanctx_conf *ctx, 5162 bool switching_chanctx) 5163 { 5164 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5165 int ret; 5166 5167 if (WARN_ON(!link_conf)) 5168 return -EINVAL; 5169 5170 if (__iwl_mvm_assign_vif_chanctx_common(mvm, vif, ctx, 5171 switching_chanctx, &ret)) 5172 goto out; 5173 5174 ret = iwl_mvm_binding_add_vif(mvm, vif); 5175 if (ret) 5176 goto out; 5177 5178 /* 5179 * Power state must be updated before quotas, 5180 * otherwise fw will complain. 5181 */ 5182 iwl_mvm_power_update_mac(mvm); 5183 5184 /* Setting the quota at this stage is only required for monitor 5185 * interfaces. For the other types, the bss_info changed flow 5186 * will handle quota settings. 5187 */ 5188 if (vif->type == NL80211_IFTYPE_MONITOR) { 5189 mvmvif->monitor_active = true; 5190 ret = iwl_mvm_update_quotas(mvm, false, NULL); 5191 if (ret) 5192 goto out_remove_binding; 5193 5194 ret = iwl_mvm_add_snif_sta(mvm, vif); 5195 if (ret) 5196 goto out_remove_binding; 5197 5198 } 5199 5200 /* Handle binding during CSA */ 5201 if (vif->type == NL80211_IFTYPE_AP) { 5202 iwl_mvm_update_quotas(mvm, false, NULL); 5203 iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL); 5204 } 5205 5206 if (vif->type == NL80211_IFTYPE_STATION) { 5207 if (!switching_chanctx) { 5208 mvmvif->csa_bcn_pending = false; 5209 goto out; 5210 } 5211 5212 mvmvif->csa_bcn_pending = true; 5213 5214 if (!fw_has_capa(&mvm->fw->ucode_capa, 5215 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5216 u32 duration = 5 * vif->bss_conf.beacon_int; 5217 5218 /* Protect the session to make sure we hear the first 5219 * beacon on the new channel. 5220 */ 5221 iwl_mvm_protect_session(mvm, vif, duration, duration, 5222 vif->bss_conf.beacon_int / 2, 5223 true); 5224 } 5225 5226 iwl_mvm_update_quotas(mvm, false, NULL); 5227 5228 iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, 5229 link_conf, 5230 false); 5231 } 5232 5233 goto out; 5234 5235 out_remove_binding: 5236 iwl_mvm_binding_remove_vif(mvm, vif); 5237 iwl_mvm_power_update_mac(mvm); 5238 out: 5239 if (ret) 5240 mvmvif->deflink.phy_ctxt = NULL; 5241 return ret; 5242 } 5243 5244 static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, 5245 struct ieee80211_vif *vif, 5246 struct ieee80211_bss_conf *link_conf, 5247 struct ieee80211_chanctx_conf *ctx) 5248 { 5249 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5250 5251 guard(mvm)(mvm); 5252 return __iwl_mvm_assign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5253 } 5254 5255 /* 5256 * This function executes the common part for MLD and non-MLD modes. 5257 * 5258 * Returns if chanctx unassign chanctx is done 5259 * (either on failure or success) 5260 */ 5261 static bool __iwl_mvm_unassign_vif_chanctx_common(struct iwl_mvm *mvm, 5262 struct ieee80211_vif *vif, 5263 bool switching_chanctx) 5264 { 5265 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5266 5267 lockdep_assert_held(&mvm->mutex); 5268 iwl_mvm_remove_time_event(mvm, mvmvif, 5269 &mvmvif->time_event_data); 5270 5271 switch (vif->type) { 5272 case NL80211_IFTYPE_ADHOC: 5273 return true; 5274 case NL80211_IFTYPE_MONITOR: 5275 mvmvif->monitor_active = false; 5276 mvmvif->ps_disabled = false; 5277 break; 5278 case NL80211_IFTYPE_AP: 5279 /* This part is triggered only during CSA */ 5280 if (!switching_chanctx || !mvmvif->ap_ibss_active) 5281 return true; 5282 5283 mvmvif->csa_countdown = false; 5284 5285 /* Set CS bit on all the stations */ 5286 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); 5287 5288 /* Save blocked iface, the timeout is set on the next beacon */ 5289 rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); 5290 5291 mvmvif->ap_ibss_active = false; 5292 break; 5293 default: 5294 break; 5295 } 5296 return false; 5297 } 5298 5299 static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, 5300 struct ieee80211_vif *vif, 5301 struct ieee80211_bss_conf *link_conf, 5302 struct ieee80211_chanctx_conf *ctx, 5303 bool switching_chanctx) 5304 { 5305 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5306 struct ieee80211_vif *disabled_vif = NULL; 5307 5308 if (__iwl_mvm_unassign_vif_chanctx_common(mvm, vif, switching_chanctx)) 5309 goto out; 5310 5311 if (vif->type == NL80211_IFTYPE_MONITOR) 5312 iwl_mvm_rm_snif_sta(mvm, vif); 5313 5314 5315 if (vif->type == NL80211_IFTYPE_STATION && switching_chanctx) { 5316 disabled_vif = vif; 5317 if (!fw_has_capa(&mvm->fw->ucode_capa, 5318 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) 5319 iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL); 5320 } 5321 5322 iwl_mvm_update_quotas(mvm, false, disabled_vif); 5323 iwl_mvm_binding_remove_vif(mvm, vif); 5324 5325 out: 5326 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) && 5327 switching_chanctx) 5328 return; 5329 mvmvif->deflink.phy_ctxt = NULL; 5330 iwl_mvm_power_update_mac(mvm); 5331 } 5332 5333 static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, 5334 struct ieee80211_vif *vif, 5335 struct ieee80211_bss_conf *link_conf, 5336 struct ieee80211_chanctx_conf *ctx) 5337 { 5338 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5339 5340 guard(mvm)(mvm); 5341 __iwl_mvm_unassign_vif_chanctx(mvm, vif, link_conf, ctx, false); 5342 } 5343 5344 static int 5345 iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm, 5346 struct ieee80211_vif_chanctx_switch *vifs, 5347 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5348 { 5349 int ret; 5350 5351 guard(mvm)(mvm); 5352 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5353 vifs[0].old_ctx, true); 5354 __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); 5355 5356 ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); 5357 if (ret) { 5358 IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); 5359 goto out_reassign; 5360 } 5361 5362 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5363 vifs[0].new_ctx, true); 5364 if (ret) { 5365 IWL_ERR(mvm, 5366 "failed to assign new_ctx during channel switch\n"); 5367 goto out_remove; 5368 } 5369 5370 /* we don't support TDLS during DCM - can be caused by channel switch */ 5371 if (iwl_mvm_phy_ctx_count(mvm) > 1) 5372 iwl_mvm_teardown_tdls_peers(mvm); 5373 5374 return 0; 5375 5376 out_remove: 5377 __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); 5378 5379 out_reassign: 5380 if (__iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx)) { 5381 IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); 5382 goto out_restart; 5383 } 5384 5385 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5386 vifs[0].old_ctx, true)) { 5387 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5388 goto out_restart; 5389 } 5390 5391 return ret; 5392 5393 out_restart: 5394 /* things keep failing, better restart the hw */ 5395 iwl_mvm_nic_restart(mvm, false); 5396 return ret; 5397 } 5398 5399 static int 5400 iwl_mvm_switch_vif_chanctx_reassign(struct iwl_mvm *mvm, 5401 struct ieee80211_vif_chanctx_switch *vifs, 5402 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5403 { 5404 int ret; 5405 5406 guard(mvm)(mvm); 5407 ops->__unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5408 vifs[0].old_ctx, true); 5409 5410 ret = ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5411 vifs[0].new_ctx, true); 5412 if (ret) { 5413 IWL_ERR(mvm, 5414 "failed to assign new_ctx during channel switch\n"); 5415 goto out_reassign; 5416 } 5417 5418 return 0; 5419 5420 out_reassign: 5421 if (ops->__assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].link_conf, 5422 vifs[0].old_ctx, true)) { 5423 IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); 5424 goto out_restart; 5425 } 5426 5427 return ret; 5428 5429 out_restart: 5430 /* things keep failing, better restart the hw */ 5431 iwl_mvm_nic_restart(mvm, false); 5432 return ret; 5433 } 5434 5435 /* Execute the common part for both MLD and non-MLD modes */ 5436 int 5437 iwl_mvm_switch_vif_chanctx_common(struct ieee80211_hw *hw, 5438 struct ieee80211_vif_chanctx_switch *vifs, 5439 int n_vifs, 5440 enum ieee80211_chanctx_switch_mode mode, 5441 const struct iwl_mvm_switch_vif_chanctx_ops *ops) 5442 { 5443 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5444 int ret; 5445 5446 /* we only support a single-vif right now */ 5447 if (n_vifs > 1) 5448 return -EOPNOTSUPP; 5449 5450 switch (mode) { 5451 case CHANCTX_SWMODE_SWAP_CONTEXTS: 5452 ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs, ops); 5453 break; 5454 case CHANCTX_SWMODE_REASSIGN_VIF: 5455 ret = iwl_mvm_switch_vif_chanctx_reassign(mvm, vifs, ops); 5456 break; 5457 default: 5458 ret = -EOPNOTSUPP; 5459 break; 5460 } 5461 5462 return ret; 5463 } 5464 5465 static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, 5466 struct ieee80211_vif_chanctx_switch *vifs, 5467 int n_vifs, 5468 enum ieee80211_chanctx_switch_mode mode) 5469 { 5470 static const struct iwl_mvm_switch_vif_chanctx_ops ops = { 5471 .__assign_vif_chanctx = __iwl_mvm_assign_vif_chanctx, 5472 .__unassign_vif_chanctx = __iwl_mvm_unassign_vif_chanctx, 5473 }; 5474 5475 return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops); 5476 } 5477 5478 int iwl_mvm_tx_last_beacon(struct ieee80211_hw *hw) 5479 { 5480 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5481 5482 return mvm->ibss_manager; 5483 } 5484 5485 static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 5486 bool set) 5487 { 5488 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5489 struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); 5490 5491 if (!mvm_sta || !mvm_sta->vif) { 5492 IWL_ERR(mvm, "Station is not associated to a vif\n"); 5493 return -EINVAL; 5494 } 5495 5496 return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif, 5497 &mvm_sta->vif->bss_conf); 5498 } 5499 5500 #ifdef CONFIG_NL80211_TESTMODE 5501 static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = { 5502 [IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 }, 5503 [IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 }, 5504 [IWL_MVM_TM_ATTR_BEACON_FILTER_STATE] = { .type = NLA_U32 }, 5505 }; 5506 5507 static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, 5508 struct ieee80211_vif *vif, 5509 void *data, int len) 5510 { 5511 struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1]; 5512 int err; 5513 u32 noa_duration; 5514 5515 err = nla_parse_deprecated(tb, IWL_MVM_TM_ATTR_MAX, data, len, 5516 iwl_mvm_tm_policy, NULL); 5517 if (err) 5518 return err; 5519 5520 if (!tb[IWL_MVM_TM_ATTR_CMD]) 5521 return -EINVAL; 5522 5523 switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) { 5524 case IWL_MVM_TM_CMD_SET_NOA: 5525 if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p || 5526 !vif->bss_conf.enable_beacon || 5527 !tb[IWL_MVM_TM_ATTR_NOA_DURATION]) 5528 return -EINVAL; 5529 5530 noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]); 5531 if (noa_duration >= vif->bss_conf.beacon_int) 5532 return -EINVAL; 5533 5534 mvm->noa_duration = noa_duration; 5535 mvm->noa_vif = vif; 5536 5537 return iwl_mvm_update_quotas(mvm, true, NULL); 5538 case IWL_MVM_TM_CMD_SET_BEACON_FILTER: 5539 /* must be associated client vif - ignore authorized */ 5540 if (!vif || vif->type != NL80211_IFTYPE_STATION || 5541 !vif->cfg.assoc || !vif->bss_conf.dtim_period || 5542 !tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE]) 5543 return -EINVAL; 5544 5545 if (nla_get_u32(tb[IWL_MVM_TM_ATTR_BEACON_FILTER_STATE])) 5546 return iwl_mvm_enable_beacon_filter(mvm, vif); 5547 return iwl_mvm_disable_beacon_filter(mvm, vif); 5548 } 5549 5550 return -EOPNOTSUPP; 5551 } 5552 5553 int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw, 5554 struct ieee80211_vif *vif, 5555 void *data, int len) 5556 { 5557 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5558 5559 guard(mvm)(mvm); 5560 return __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len); 5561 } 5562 #endif 5563 5564 void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5565 struct ieee80211_channel_switch *chsw) 5566 { 5567 /* By implementing this operation, we prevent mac80211 from 5568 * starting its own channel switch timer, so that we can call 5569 * ieee80211_chswitch_done() ourselves at the right time 5570 * (which is when the absence time event starts). 5571 */ 5572 5573 IWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw), 5574 "dummy channel switch op\n"); 5575 } 5576 5577 static int iwl_mvm_schedule_client_csa(struct iwl_mvm *mvm, 5578 struct ieee80211_vif *vif, 5579 struct ieee80211_channel_switch *chsw) 5580 { 5581 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5582 struct iwl_chan_switch_te_cmd cmd = { 5583 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5584 mvmvif->color)), 5585 .action = cpu_to_le32(FW_CTXT_ACTION_ADD), 5586 .tsf = cpu_to_le32(chsw->timestamp), 5587 .cs_count = chsw->count, 5588 .cs_mode = chsw->block_tx, 5589 }; 5590 5591 lockdep_assert_held(&mvm->mutex); 5592 5593 if (chsw->delay) 5594 cmd.cs_delayed_bcn_count = 5595 DIV_ROUND_UP(chsw->delay, vif->bss_conf.beacon_int); 5596 5597 return iwl_mvm_send_cmd_pdu(mvm, 5598 WIDE_ID(MAC_CONF_GROUP, 5599 CHANNEL_SWITCH_TIME_EVENT_CMD), 5600 0, sizeof(cmd), &cmd); 5601 } 5602 5603 static int iwl_mvm_old_pre_chan_sw_sta(struct iwl_mvm *mvm, 5604 struct ieee80211_vif *vif, 5605 struct ieee80211_channel_switch *chsw) 5606 { 5607 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5608 u32 apply_time; 5609 5610 /* Schedule the time event to a bit before beacon 1, 5611 * to make sure we're in the new channel when the 5612 * GO/AP arrives. In case count <= 1 immediately schedule the 5613 * TE (this might result with some packet loss or connection 5614 * loss). 5615 */ 5616 if (chsw->count <= 1) 5617 apply_time = 0; 5618 else 5619 apply_time = chsw->device_timestamp + 5620 ((vif->bss_conf.beacon_int * (chsw->count - 1) - 5621 IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024); 5622 5623 if (chsw->block_tx) 5624 iwl_mvm_csa_client_absent(mvm, vif); 5625 5626 if (mvmvif->bf_enabled) { 5627 int ret = iwl_mvm_disable_beacon_filter(mvm, vif); 5628 5629 if (ret) 5630 return ret; 5631 } 5632 5633 iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int, 5634 apply_time); 5635 5636 return 0; 5637 } 5638 5639 static void iwl_mvm_csa_block_txqs(void *data, struct ieee80211_sta *sta) 5640 { 5641 int i; 5642 5643 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) { 5644 struct iwl_mvm_txq *mvmtxq = 5645 iwl_mvm_txq_from_mac80211(sta->txq[i]); 5646 5647 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5648 } 5649 } 5650 5651 #define IWL_MAX_CSA_BLOCK_TX 1500 5652 int iwl_mvm_pre_channel_switch(struct iwl_mvm *mvm, 5653 struct ieee80211_vif *vif, 5654 struct ieee80211_channel_switch *chsw) 5655 { 5656 struct ieee80211_vif *csa_vif; 5657 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5658 struct iwl_mvm_txq *mvmtxq; 5659 int ret; 5660 5661 lockdep_assert_held(&mvm->mutex); 5662 5663 mvmvif->csa_failed = false; 5664 mvmvif->csa_blocks_tx = false; 5665 5666 IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n", 5667 chsw->chandef.center_freq1); 5668 5669 iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt, 5670 ieee80211_vif_to_wdev(vif), 5671 FW_DBG_TRIGGER_CHANNEL_SWITCH); 5672 5673 switch (vif->type) { 5674 case NL80211_IFTYPE_AP: 5675 csa_vif = 5676 rcu_dereference_protected(mvm->csa_vif, 5677 lockdep_is_held(&mvm->mutex)); 5678 if (WARN_ONCE(csa_vif && csa_vif->bss_conf.csa_active, 5679 "Another CSA is already in progress")) 5680 return -EBUSY; 5681 5682 /* we still didn't unblock tx. prevent new CS meanwhile */ 5683 if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, 5684 lockdep_is_held(&mvm->mutex))) 5685 return -EBUSY; 5686 5687 rcu_assign_pointer(mvm->csa_vif, vif); 5688 5689 if (WARN_ONCE(mvmvif->csa_countdown, 5690 "Previous CSA countdown didn't complete")) 5691 return -EBUSY; 5692 5693 mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; 5694 5695 if (!chsw->block_tx) 5696 break; 5697 /* don't need blocking in driver otherwise - mac80211 will do */ 5698 if (!ieee80211_hw_check(mvm->hw, HANDLES_QUIET_CSA)) 5699 break; 5700 5701 mvmvif->csa_blocks_tx = true; 5702 mvmtxq = iwl_mvm_txq_from_mac80211(vif->txq); 5703 set_bit(IWL_MVM_TXQ_STATE_STOP_AP_CSA, &mvmtxq->state); 5704 ieee80211_iterate_stations_atomic(mvm->hw, 5705 iwl_mvm_csa_block_txqs, 5706 NULL); 5707 break; 5708 case NL80211_IFTYPE_STATION: 5709 mvmvif->csa_blocks_tx = chsw->block_tx; 5710 5711 /* 5712 * In the new flow FW is in charge of timing the switch so there 5713 * is no need for all of this 5714 */ 5715 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5716 CHANNEL_SWITCH_ERROR_NOTIF, 5717 0)) 5718 break; 5719 5720 /* 5721 * We haven't configured the firmware to be associated yet since 5722 * we don't know the dtim period. In this case, the firmware can't 5723 * track the beacons. 5724 */ 5725 if (!vif->cfg.assoc || !vif->bss_conf.dtim_period) 5726 return -EBUSY; 5727 5728 if (chsw->delay > IWL_MAX_CSA_BLOCK_TX && 5729 hweight16(vif->valid_links) <= 1) 5730 schedule_delayed_work(&mvmvif->csa_work, 0); 5731 5732 if (chsw->block_tx) { 5733 /* 5734 * In case of undetermined / long time with immediate 5735 * quiet monitor status to gracefully disconnect 5736 */ 5737 if (!chsw->count || 5738 chsw->count * vif->bss_conf.beacon_int > 5739 IWL_MAX_CSA_BLOCK_TX) 5740 schedule_delayed_work(&mvmvif->csa_work, 5741 msecs_to_jiffies(IWL_MAX_CSA_BLOCK_TX)); 5742 } 5743 5744 if (!fw_has_capa(&mvm->fw->ucode_capa, 5745 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD)) { 5746 ret = iwl_mvm_old_pre_chan_sw_sta(mvm, vif, chsw); 5747 if (ret) 5748 return ret; 5749 } else { 5750 iwl_mvm_schedule_client_csa(mvm, vif, chsw); 5751 } 5752 5753 mvmvif->csa_count = chsw->count; 5754 mvmvif->csa_misbehave = false; 5755 break; 5756 default: 5757 break; 5758 } 5759 5760 mvmvif->ps_disabled = true; 5761 5762 ret = iwl_mvm_power_update_ps(mvm); 5763 if (ret) 5764 return ret; 5765 5766 /* we won't be on this channel any longer */ 5767 iwl_mvm_teardown_tdls_peers(mvm); 5768 5769 return ret; 5770 } 5771 5772 static int iwl_mvm_mac_pre_channel_switch(struct ieee80211_hw *hw, 5773 struct ieee80211_vif *vif, 5774 struct ieee80211_channel_switch *chsw) 5775 { 5776 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5777 5778 guard(mvm)(mvm); 5779 return iwl_mvm_pre_channel_switch(mvm, vif, chsw); 5780 } 5781 5782 void iwl_mvm_channel_switch_rx_beacon(struct ieee80211_hw *hw, 5783 struct ieee80211_vif *vif, 5784 struct ieee80211_channel_switch *chsw) 5785 { 5786 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5787 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5788 struct iwl_chan_switch_te_cmd cmd = { 5789 .mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, 5790 mvmvif->color)), 5791 .action = cpu_to_le32(FW_CTXT_ACTION_MODIFY), 5792 .tsf = cpu_to_le32(chsw->timestamp), 5793 .cs_count = chsw->count, 5794 .cs_mode = chsw->block_tx, 5795 }; 5796 5797 /* 5798 * In the new flow FW is in charge of timing the switch so there is no 5799 * need for all of this 5800 */ 5801 if (iwl_fw_lookup_notif_ver(mvm->fw, MAC_CONF_GROUP, 5802 CHANNEL_SWITCH_ERROR_NOTIF, 0)) 5803 return; 5804 5805 if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CS_MODIFY)) 5806 return; 5807 5808 IWL_DEBUG_MAC80211(mvm, "Modify CSA on mac %d count = %d (old %d) mode = %d\n", 5809 mvmvif->id, chsw->count, mvmvif->csa_count, chsw->block_tx); 5810 5811 if (chsw->count >= mvmvif->csa_count && chsw->block_tx) { 5812 if (mvmvif->csa_misbehave) { 5813 struct ieee80211_bss_conf *link_conf; 5814 5815 /* Second time, give up on this AP*/ 5816 5817 link_conf = wiphy_dereference(hw->wiphy, 5818 vif->link_conf[chsw->link_id]); 5819 if (WARN_ON(!link_conf)) 5820 return; 5821 5822 iwl_mvm_abort_channel_switch(hw, vif, link_conf); 5823 ieee80211_chswitch_done(vif, false, 0); 5824 mvmvif->csa_misbehave = false; 5825 return; 5826 } 5827 mvmvif->csa_misbehave = true; 5828 } 5829 mvmvif->csa_count = chsw->count; 5830 5831 guard(mvm)(mvm); 5832 if (mvmvif->csa_failed) 5833 return; 5834 5835 WARN_ON(iwl_mvm_send_cmd_pdu(mvm, 5836 WIDE_ID(MAC_CONF_GROUP, 5837 CHANNEL_SWITCH_TIME_EVENT_CMD), 5838 0, sizeof(cmd), &cmd)); 5839 } 5840 5841 static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) 5842 { 5843 int i; 5844 5845 if (!iwl_mvm_has_new_tx_api(mvm)) { 5846 /* we can't ask the firmware anything if it is dead */ 5847 if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5848 &mvm->status)) 5849 return; 5850 if (drop) { 5851 guard(mvm)(mvm); 5852 iwl_mvm_flush_tx_path(mvm, 5853 iwl_mvm_flushable_queues(mvm) & queues); 5854 } else { 5855 iwl_trans_wait_tx_queues_empty(mvm->trans, queues); 5856 } 5857 return; 5858 } 5859 5860 guard(mvm)(mvm); 5861 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5862 struct ieee80211_sta *sta; 5863 5864 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5865 lockdep_is_held(&mvm->mutex)); 5866 if (IS_ERR_OR_NULL(sta)) 5867 continue; 5868 5869 if (drop) 5870 iwl_mvm_flush_sta_tids(mvm, i, 0xFFFF); 5871 else 5872 iwl_mvm_wait_sta_queues_empty(mvm, 5873 iwl_mvm_sta_from_mac80211(sta)); 5874 } 5875 } 5876 5877 void iwl_mvm_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5878 u32 queues, bool drop) 5879 { 5880 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5881 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5882 struct iwl_mvm_sta *mvmsta; 5883 struct ieee80211_sta *sta; 5884 bool ap_sta_done = false; 5885 int i; 5886 u32 msk = 0; 5887 5888 if (!vif) { 5889 iwl_mvm_flush_no_vif(mvm, queues, drop); 5890 return; 5891 } 5892 5893 if (!drop && hweight16(vif->active_links) <= 1) { 5894 int link_id = vif->active_links ? __ffs(vif->active_links) : 0; 5895 struct ieee80211_bss_conf *link_conf; 5896 5897 link_conf = wiphy_dereference(hw->wiphy, 5898 vif->link_conf[link_id]); 5899 if (WARN_ON(!link_conf)) 5900 return; 5901 if (link_conf->csa_active && mvmvif->csa_blocks_tx) 5902 drop = true; 5903 } 5904 5905 /* Make sure we're done with the deferred traffic before flushing */ 5906 flush_work(&mvm->add_stream_wk); 5907 5908 mutex_lock(&mvm->mutex); 5909 5910 /* flush the AP-station and all TDLS peers */ 5911 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 5912 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 5913 lockdep_is_held(&mvm->mutex)); 5914 if (IS_ERR_OR_NULL(sta)) 5915 continue; 5916 5917 mvmsta = iwl_mvm_sta_from_mac80211(sta); 5918 if (mvmsta->vif != vif) 5919 continue; 5920 5921 if (sta == mvmvif->ap_sta) { 5922 if (ap_sta_done) 5923 continue; 5924 ap_sta_done = true; 5925 } 5926 5927 if (drop) { 5928 if (iwl_mvm_flush_sta(mvm, mvmsta->deflink.sta_id, 5929 mvmsta->tfd_queue_msk)) 5930 IWL_ERR(mvm, "flush request fail\n"); 5931 } else { 5932 if (iwl_mvm_has_new_tx_api(mvm)) 5933 iwl_mvm_wait_sta_queues_empty(mvm, mvmsta); 5934 else /* only used for !iwl_mvm_has_new_tx_api() below */ 5935 msk |= mvmsta->tfd_queue_msk; 5936 } 5937 } 5938 5939 mutex_unlock(&mvm->mutex); 5940 5941 /* this can take a while, and we may need/want other operations 5942 * to succeed while doing this, so do it without the mutex held 5943 * If the firmware is dead, this can't work... 5944 */ 5945 if (!drop && !iwl_mvm_has_new_tx_api(mvm) && 5946 !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 5947 &mvm->status)) 5948 iwl_trans_wait_tx_queues_empty(mvm->trans, msk); 5949 } 5950 5951 void iwl_mvm_mac_flush_sta(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5952 struct ieee80211_sta *sta) 5953 { 5954 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 5955 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 5956 struct iwl_mvm_link_sta *mvm_link_sta; 5957 struct ieee80211_link_sta *link_sta; 5958 int link_id; 5959 5960 guard(mvm)(mvm); 5961 for_each_sta_active_link(vif, sta, link_sta, link_id) { 5962 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_id], 5963 lockdep_is_held(&mvm->mutex)); 5964 if (!mvm_link_sta) 5965 continue; 5966 5967 if (iwl_mvm_flush_sta(mvm, mvm_link_sta->sta_id, 5968 mvmsta->tfd_queue_msk)) 5969 IWL_ERR(mvm, "flush request fail\n"); 5970 } 5971 } 5972 5973 static int iwl_mvm_mac_get_acs_survey(struct iwl_mvm *mvm, int idx, 5974 struct survey_info *survey) 5975 { 5976 int chan_idx; 5977 enum nl80211_band band; 5978 int ret; 5979 5980 mutex_lock(&mvm->mutex); 5981 5982 if (!mvm->acs_survey) { 5983 ret = -ENOENT; 5984 goto out; 5985 } 5986 5987 /* Find and return the next entry that has a non-zero active time */ 5988 for (band = 0; band < NUM_NL80211_BANDS; band++) { 5989 struct ieee80211_supported_band *sband = 5990 mvm->hw->wiphy->bands[band]; 5991 5992 if (!sband) 5993 continue; 5994 5995 for (chan_idx = 0; chan_idx < sband->n_channels; chan_idx++) { 5996 struct iwl_mvm_acs_survey_channel *info = 5997 &mvm->acs_survey->bands[band][chan_idx]; 5998 5999 if (!info->time) 6000 continue; 6001 6002 /* Found (the next) channel to report */ 6003 survey->channel = &sband->channels[chan_idx]; 6004 survey->filled = SURVEY_INFO_TIME | 6005 SURVEY_INFO_TIME_BUSY | 6006 SURVEY_INFO_TIME_RX | 6007 SURVEY_INFO_TIME_TX; 6008 survey->time = info->time; 6009 survey->time_busy = info->time_busy; 6010 survey->time_rx = info->time_rx; 6011 survey->time_tx = info->time_tx; 6012 survey->noise = info->noise; 6013 if (survey->noise < 0) 6014 survey->filled |= SURVEY_INFO_NOISE_DBM; 6015 6016 /* Clear time so that channel is only reported once */ 6017 info->time = 0; 6018 6019 ret = 0; 6020 goto out; 6021 } 6022 } 6023 6024 ret = -ENOENT; 6025 6026 out: 6027 mutex_unlock(&mvm->mutex); 6028 6029 return ret; 6030 } 6031 6032 int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx, 6033 struct survey_info *survey) 6034 { 6035 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6036 u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, 6037 WIDE_ID(SYSTEM_GROUP, 6038 SYSTEM_STATISTICS_CMD), 6039 IWL_FW_CMD_VER_UNKNOWN); 6040 6041 memset(survey, 0, sizeof(*survey)); 6042 6043 if (!fw_has_capa(&mvm->fw->ucode_capa, 6044 IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) 6045 return -ENOENT; 6046 6047 /* 6048 * Return the beacon stats at index zero and pass on following indices 6049 * to the function returning the full survey, most likely for ACS 6050 * (Automatic Channel Selection). 6051 */ 6052 if (idx > 0) 6053 return iwl_mvm_mac_get_acs_survey(mvm, idx - 1, survey); 6054 6055 guard(mvm)(mvm); 6056 6057 if (iwl_mvm_firmware_running(mvm)) { 6058 int ret = iwl_mvm_request_statistics(mvm, false); 6059 6060 if (ret) 6061 return ret; 6062 } 6063 6064 survey->filled = SURVEY_INFO_TIME_RX | 6065 SURVEY_INFO_TIME_TX; 6066 6067 survey->time_rx = mvm->accu_radio_stats.rx_time + 6068 mvm->radio_stats.rx_time; 6069 do_div(survey->time_rx, USEC_PER_MSEC); 6070 6071 survey->time_tx = mvm->accu_radio_stats.tx_time + 6072 mvm->radio_stats.tx_time; 6073 do_div(survey->time_tx, USEC_PER_MSEC); 6074 6075 /* the new fw api doesn't support the following fields */ 6076 if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN) 6077 return 0; 6078 6079 survey->filled |= SURVEY_INFO_TIME | 6080 SURVEY_INFO_TIME_SCAN; 6081 survey->time = mvm->accu_radio_stats.on_time_rf + 6082 mvm->radio_stats.on_time_rf; 6083 do_div(survey->time, USEC_PER_MSEC); 6084 6085 survey->time_scan = mvm->accu_radio_stats.on_time_scan + 6086 mvm->radio_stats.on_time_scan; 6087 do_div(survey->time_scan, USEC_PER_MSEC); 6088 6089 return 0; 6090 } 6091 6092 static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo) 6093 { 6094 u32 format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; 6095 u32 gi_ltf; 6096 6097 switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { 6098 case RATE_MCS_CHAN_WIDTH_20: 6099 rinfo->bw = RATE_INFO_BW_20; 6100 break; 6101 case RATE_MCS_CHAN_WIDTH_40: 6102 rinfo->bw = RATE_INFO_BW_40; 6103 break; 6104 case RATE_MCS_CHAN_WIDTH_80: 6105 rinfo->bw = RATE_INFO_BW_80; 6106 break; 6107 case RATE_MCS_CHAN_WIDTH_160: 6108 rinfo->bw = RATE_INFO_BW_160; 6109 break; 6110 case RATE_MCS_CHAN_WIDTH_320: 6111 rinfo->bw = RATE_INFO_BW_320; 6112 break; 6113 } 6114 6115 if (format == RATE_MCS_CCK_MSK || 6116 format == RATE_MCS_LEGACY_OFDM_MSK) { 6117 int rate = u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK); 6118 6119 /* add the offset needed to get to the legacy ofdm indices */ 6120 if (format == RATE_MCS_LEGACY_OFDM_MSK) 6121 rate += IWL_FIRST_OFDM_RATE; 6122 6123 switch (rate) { 6124 case IWL_RATE_1M_INDEX: 6125 rinfo->legacy = 10; 6126 break; 6127 case IWL_RATE_2M_INDEX: 6128 rinfo->legacy = 20; 6129 break; 6130 case IWL_RATE_5M_INDEX: 6131 rinfo->legacy = 55; 6132 break; 6133 case IWL_RATE_11M_INDEX: 6134 rinfo->legacy = 110; 6135 break; 6136 case IWL_RATE_6M_INDEX: 6137 rinfo->legacy = 60; 6138 break; 6139 case IWL_RATE_9M_INDEX: 6140 rinfo->legacy = 90; 6141 break; 6142 case IWL_RATE_12M_INDEX: 6143 rinfo->legacy = 120; 6144 break; 6145 case IWL_RATE_18M_INDEX: 6146 rinfo->legacy = 180; 6147 break; 6148 case IWL_RATE_24M_INDEX: 6149 rinfo->legacy = 240; 6150 break; 6151 case IWL_RATE_36M_INDEX: 6152 rinfo->legacy = 360; 6153 break; 6154 case IWL_RATE_48M_INDEX: 6155 rinfo->legacy = 480; 6156 break; 6157 case IWL_RATE_54M_INDEX: 6158 rinfo->legacy = 540; 6159 } 6160 return; 6161 } 6162 6163 rinfo->nss = u32_get_bits(rate_n_flags, 6164 RATE_MCS_NSS_MSK) + 1; 6165 rinfo->mcs = format == RATE_MCS_HT_MSK ? 6166 RATE_HT_MCS_INDEX(rate_n_flags) : 6167 u32_get_bits(rate_n_flags, RATE_MCS_CODE_MSK); 6168 6169 if (rate_n_flags & RATE_MCS_SGI_MSK) 6170 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 6171 6172 switch (format) { 6173 case RATE_MCS_EHT_MSK: 6174 /* TODO: GI/LTF/RU. How does the firmware encode them? */ 6175 rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS; 6176 break; 6177 case RATE_MCS_HE_MSK: 6178 gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK); 6179 6180 rinfo->flags |= RATE_INFO_FLAGS_HE_MCS; 6181 6182 if (rate_n_flags & RATE_MCS_HE_106T_MSK) { 6183 rinfo->bw = RATE_INFO_BW_HE_RU; 6184 rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106; 6185 } 6186 6187 switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) { 6188 case RATE_MCS_HE_TYPE_SU: 6189 case RATE_MCS_HE_TYPE_EXT_SU: 6190 if (gi_ltf == 0 || gi_ltf == 1) 6191 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6192 else if (gi_ltf == 2) 6193 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6194 else if (gi_ltf == 3) 6195 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6196 else 6197 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6198 break; 6199 case RATE_MCS_HE_TYPE_MU: 6200 if (gi_ltf == 0 || gi_ltf == 1) 6201 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8; 6202 else if (gi_ltf == 2) 6203 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6204 else 6205 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6206 break; 6207 case RATE_MCS_HE_TYPE_TRIG: 6208 if (gi_ltf == 0 || gi_ltf == 1) 6209 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6; 6210 else 6211 rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2; 6212 break; 6213 } 6214 6215 if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK) 6216 rinfo->he_dcm = 1; 6217 break; 6218 case RATE_MCS_HT_MSK: 6219 rinfo->flags |= RATE_INFO_FLAGS_MCS; 6220 break; 6221 case RATE_MCS_VHT_MSK: 6222 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 6223 break; 6224 } 6225 } 6226 6227 void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, 6228 struct ieee80211_vif *vif, 6229 struct ieee80211_sta *sta, 6230 struct station_info *sinfo) 6231 { 6232 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6233 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6234 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 6235 int i; 6236 6237 if (mvmsta->deflink.avg_energy) { 6238 sinfo->signal_avg = -(s8)mvmsta->deflink.avg_energy; 6239 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); 6240 } 6241 6242 if (iwl_mvm_has_tlc_offload(mvm)) { 6243 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->deflink.lq_sta.rs_fw; 6244 6245 iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate); 6246 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 6247 } 6248 6249 /* if beacon filtering isn't on mac80211 does it anyway */ 6250 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) 6251 return; 6252 6253 if (!vif->cfg.assoc) 6254 return; 6255 6256 guard(mvm)(mvm); 6257 6258 if (mvmvif->deflink.ap_sta_id != mvmsta->deflink.sta_id) 6259 return; 6260 6261 if (iwl_mvm_request_statistics(mvm, false)) 6262 return; 6263 6264 sinfo->rx_beacon = 0; 6265 for_each_mvm_vif_valid_link(mvmvif, i) 6266 sinfo->rx_beacon += mvmvif->link[i]->beacon_stats.num_beacons + 6267 mvmvif->link[i]->beacon_stats.accu_num_beacons; 6268 6269 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); 6270 if (mvmvif->deflink.beacon_stats.avg_signal) { 6271 /* firmware only reports a value after RXing a few beacons */ 6272 sinfo->rx_beacon_signal_avg = 6273 mvmvif->deflink.beacon_stats.avg_signal; 6274 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); 6275 } 6276 } 6277 6278 static void iwl_mvm_event_mlme_callback_ini(struct iwl_mvm *mvm, 6279 struct ieee80211_vif *vif, 6280 const struct ieee80211_mlme_event *mlme) 6281 { 6282 if ((mlme->data == ASSOC_EVENT || mlme->data == AUTH_EVENT) && 6283 (mlme->status == MLME_DENIED || mlme->status == MLME_TIMEOUT)) { 6284 iwl_dbg_tlv_time_point(&mvm->fwrt, 6285 IWL_FW_INI_TIME_POINT_ASSOC_FAILED, 6286 NULL); 6287 return; 6288 } 6289 6290 if (mlme->data == DEAUTH_RX_EVENT || mlme->data == DEAUTH_TX_EVENT) { 6291 iwl_dbg_tlv_time_point(&mvm->fwrt, 6292 IWL_FW_INI_TIME_POINT_DEASSOC, 6293 NULL); 6294 return; 6295 } 6296 } 6297 6298 static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm, 6299 struct ieee80211_vif *vif, 6300 const struct ieee80211_event *event) 6301 { 6302 #define CHECK_MLME_TRIGGER(_cnt, _fmt...) \ 6303 do { \ 6304 if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \ 6305 break; \ 6306 iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \ 6307 } while (0) 6308 6309 struct iwl_fw_dbg_trigger_tlv *trig; 6310 struct iwl_fw_dbg_trigger_mlme *trig_mlme; 6311 6312 if (iwl_trans_dbg_ini_valid(mvm->trans)) { 6313 iwl_mvm_event_mlme_callback_ini(mvm, vif, &event->u.mlme); 6314 return; 6315 } 6316 6317 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6318 FW_DBG_TRIGGER_MLME); 6319 if (!trig) 6320 return; 6321 6322 trig_mlme = (void *)trig->data; 6323 6324 if (event->u.mlme.data == ASSOC_EVENT) { 6325 if (event->u.mlme.status == MLME_DENIED) 6326 CHECK_MLME_TRIGGER(stop_assoc_denied, 6327 "DENIED ASSOC: reason %d", 6328 event->u.mlme.reason); 6329 else if (event->u.mlme.status == MLME_TIMEOUT) 6330 CHECK_MLME_TRIGGER(stop_assoc_timeout, 6331 "ASSOC TIMEOUT"); 6332 } else if (event->u.mlme.data == AUTH_EVENT) { 6333 if (event->u.mlme.status == MLME_DENIED) 6334 CHECK_MLME_TRIGGER(stop_auth_denied, 6335 "DENIED AUTH: reason %d", 6336 event->u.mlme.reason); 6337 else if (event->u.mlme.status == MLME_TIMEOUT) 6338 CHECK_MLME_TRIGGER(stop_auth_timeout, 6339 "AUTH TIMEOUT"); 6340 } else if (event->u.mlme.data == DEAUTH_RX_EVENT) { 6341 CHECK_MLME_TRIGGER(stop_rx_deauth, 6342 "DEAUTH RX %d", event->u.mlme.reason); 6343 } else if (event->u.mlme.data == DEAUTH_TX_EVENT) { 6344 CHECK_MLME_TRIGGER(stop_tx_deauth, 6345 "DEAUTH TX %d", event->u.mlme.reason); 6346 } 6347 #undef CHECK_MLME_TRIGGER 6348 } 6349 6350 static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm, 6351 struct ieee80211_vif *vif, 6352 const struct ieee80211_event *event) 6353 { 6354 struct iwl_fw_dbg_trigger_tlv *trig; 6355 struct iwl_fw_dbg_trigger_ba *ba_trig; 6356 6357 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif), 6358 FW_DBG_TRIGGER_BA); 6359 if (!trig) 6360 return; 6361 6362 ba_trig = (void *)trig->data; 6363 6364 if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid))) 6365 return; 6366 6367 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 6368 "BAR received from %pM, tid %d, ssn %d", 6369 event->u.ba.sta->addr, event->u.ba.tid, 6370 event->u.ba.ssn); 6371 } 6372 6373 void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw, 6374 struct ieee80211_vif *vif, 6375 const struct ieee80211_event *event) 6376 { 6377 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6378 6379 switch (event->type) { 6380 case MLME_EVENT: 6381 iwl_mvm_event_mlme_callback(mvm, vif, event); 6382 break; 6383 case BAR_RX_EVENT: 6384 iwl_mvm_event_bar_rx_callback(mvm, vif, event); 6385 break; 6386 case BA_FRAME_TIMEOUT: 6387 iwl_mvm_event_frame_timeout_callback(mvm, vif, event->u.ba.sta, 6388 event->u.ba.tid); 6389 break; 6390 default: 6391 break; 6392 } 6393 } 6394 6395 #define SYNC_RX_QUEUE_TIMEOUT (HZ) 6396 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 6397 enum iwl_mvm_rxq_notif_type type, 6398 bool sync, 6399 const void *data, u32 size) 6400 { 6401 struct { 6402 struct iwl_rxq_sync_cmd cmd; 6403 struct iwl_mvm_internal_rxq_notif notif; 6404 } __packed cmd = { 6405 .cmd.rxq_mask = cpu_to_le32(BIT(mvm->trans->num_rx_queues) - 1), 6406 .cmd.count = 6407 cpu_to_le32(sizeof(struct iwl_mvm_internal_rxq_notif) + 6408 size), 6409 .notif.type = type, 6410 .notif.sync = sync, 6411 }; 6412 struct iwl_host_cmd hcmd = { 6413 .id = WIDE_ID(DATA_PATH_GROUP, TRIGGER_RX_QUEUES_NOTIF_CMD), 6414 .data[0] = &cmd, 6415 .len[0] = sizeof(cmd), 6416 .data[1] = data, 6417 .len[1] = size, 6418 .flags = CMD_SEND_IN_RFKILL | (sync ? 0 : CMD_ASYNC), 6419 }; 6420 int ret; 6421 6422 /* size must be a multiple of DWORD */ 6423 if (WARN_ON(cmd.cmd.count & cpu_to_le32(3))) 6424 return; 6425 6426 if (!iwl_mvm_has_new_rx_api(mvm)) 6427 return; 6428 6429 if (sync) { 6430 cmd.notif.cookie = mvm->queue_sync_cookie; 6431 mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1; 6432 } 6433 6434 ret = iwl_mvm_send_cmd(mvm, &hcmd); 6435 if (ret) { 6436 IWL_ERR(mvm, "Failed to trigger RX queues sync (%d)\n", ret); 6437 goto out; 6438 } 6439 6440 if (sync) { 6441 lockdep_assert_held(&mvm->mutex); 6442 ret = wait_event_timeout(mvm->rx_sync_waitq, 6443 READ_ONCE(mvm->queue_sync_state) == 0, 6444 SYNC_RX_QUEUE_TIMEOUT); 6445 WARN_ONCE(!ret, "queue sync: failed to sync, state is 0x%lx, cookie %d\n", 6446 mvm->queue_sync_state, 6447 mvm->queue_sync_cookie); 6448 } 6449 6450 out: 6451 if (sync) { 6452 mvm->queue_sync_state = 0; 6453 mvm->queue_sync_cookie++; 6454 } 6455 } 6456 6457 void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw) 6458 { 6459 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6460 6461 guard(mvm)(mvm); 6462 iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_EMPTY, true, NULL, 0); 6463 } 6464 6465 int 6466 iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw, 6467 struct ieee80211_vif *vif, 6468 struct cfg80211_ftm_responder_stats *stats) 6469 { 6470 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6471 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6472 6473 if (vif->p2p || vif->type != NL80211_IFTYPE_AP || 6474 !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder) 6475 return -EINVAL; 6476 6477 mutex_lock(&mvm->mutex); 6478 *stats = mvm->ftm_resp_stats; 6479 mutex_unlock(&mvm->mutex); 6480 6481 stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) | 6482 BIT(NL80211_FTM_STATS_PARTIAL_NUM) | 6483 BIT(NL80211_FTM_STATS_FAILED_NUM) | 6484 BIT(NL80211_FTM_STATS_ASAP_NUM) | 6485 BIT(NL80211_FTM_STATS_NON_ASAP_NUM) | 6486 BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) | 6487 BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) | 6488 BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) | 6489 BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM); 6490 6491 return 0; 6492 } 6493 6494 int iwl_mvm_start_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6495 struct cfg80211_pmsr_request *request) 6496 { 6497 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6498 6499 guard(mvm)(mvm); 6500 return iwl_mvm_ftm_start(mvm, vif, request); 6501 } 6502 6503 void iwl_mvm_abort_pmsr(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 6504 struct cfg80211_pmsr_request *request) 6505 { 6506 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6507 6508 guard(mvm)(mvm); 6509 iwl_mvm_ftm_abort(mvm, request); 6510 } 6511 6512 static bool iwl_mvm_can_hw_csum(struct sk_buff *skb) 6513 { 6514 u8 protocol = ip_hdr(skb)->protocol; 6515 6516 if (!IS_ENABLED(CONFIG_INET)) 6517 return false; 6518 6519 return protocol == IPPROTO_TCP || protocol == IPPROTO_UDP; 6520 } 6521 6522 static bool iwl_mvm_mac_can_aggregate(struct ieee80211_hw *hw, 6523 struct sk_buff *head, 6524 struct sk_buff *skb) 6525 { 6526 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6527 6528 /* For now don't aggregate IPv6 in AMSDU */ 6529 if (skb->protocol != htons(ETH_P_IP)) 6530 return false; 6531 6532 if (!iwl_mvm_is_csum_supported(mvm)) 6533 return true; 6534 6535 return iwl_mvm_can_hw_csum(skb) == iwl_mvm_can_hw_csum(head); 6536 } 6537 6538 int iwl_mvm_set_hw_timestamp(struct ieee80211_hw *hw, 6539 struct ieee80211_vif *vif, 6540 struct cfg80211_set_hw_timestamp *hwts) 6541 { 6542 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 6543 u32 protocols = 0; 6544 6545 /* HW timestamping is only supported for a specific station */ 6546 if (!hwts->macaddr) 6547 return -EOPNOTSUPP; 6548 6549 if (hwts->enable) 6550 protocols = 6551 IWL_TIME_SYNC_PROTOCOL_TM | IWL_TIME_SYNC_PROTOCOL_FTM; 6552 6553 guard(mvm)(mvm); 6554 return iwl_mvm_time_sync_config(mvm, hwts->macaddr, protocols); 6555 } 6556 6557 const struct ieee80211_ops iwl_mvm_hw_ops = { 6558 .tx = iwl_mvm_mac_tx, 6559 .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, 6560 .ampdu_action = iwl_mvm_mac_ampdu_action, 6561 .get_antenna = iwl_mvm_op_get_antenna, 6562 .set_antenna = iwl_mvm_op_set_antenna, 6563 .start = iwl_mvm_mac_start, 6564 .reconfig_complete = iwl_mvm_mac_reconfig_complete, 6565 .stop = iwl_mvm_mac_stop, 6566 .add_interface = iwl_mvm_mac_add_interface, 6567 .remove_interface = iwl_mvm_mac_remove_interface, 6568 .config = iwl_mvm_mac_config, 6569 .prepare_multicast = iwl_mvm_prepare_multicast, 6570 .configure_filter = iwl_mvm_configure_filter, 6571 .config_iface_filter = iwl_mvm_config_iface_filter, 6572 .bss_info_changed = iwl_mvm_bss_info_changed, 6573 .hw_scan = iwl_mvm_mac_hw_scan, 6574 .cancel_hw_scan = iwl_mvm_mac_cancel_hw_scan, 6575 .sta_pre_rcu_remove = iwl_mvm_sta_pre_rcu_remove, 6576 .sta_state = iwl_mvm_mac_sta_state, 6577 .sta_notify = iwl_mvm_mac_sta_notify, 6578 .allow_buffered_frames = iwl_mvm_mac_allow_buffered_frames, 6579 .release_buffered_frames = iwl_mvm_mac_release_buffered_frames, 6580 .set_rts_threshold = iwl_mvm_mac_set_rts_threshold, 6581 .sta_rc_update = iwl_mvm_sta_rc_update, 6582 .conf_tx = iwl_mvm_mac_conf_tx, 6583 .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, 6584 .mgd_complete_tx = iwl_mvm_mac_mgd_complete_tx, 6585 .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, 6586 .flush = iwl_mvm_mac_flush, 6587 .flush_sta = iwl_mvm_mac_flush_sta, 6588 .sched_scan_start = iwl_mvm_mac_sched_scan_start, 6589 .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, 6590 .set_key = iwl_mvm_mac_set_key, 6591 .update_tkip_key = iwl_mvm_mac_update_tkip_key, 6592 .remain_on_channel = iwl_mvm_roc, 6593 .cancel_remain_on_channel = iwl_mvm_cancel_roc, 6594 .add_chanctx = iwl_mvm_add_chanctx, 6595 .remove_chanctx = iwl_mvm_remove_chanctx, 6596 .change_chanctx = iwl_mvm_change_chanctx, 6597 .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, 6598 .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, 6599 .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, 6600 6601 .start_ap = iwl_mvm_start_ap, 6602 .stop_ap = iwl_mvm_stop_ap, 6603 .join_ibss = iwl_mvm_start_ibss, 6604 .leave_ibss = iwl_mvm_stop_ibss, 6605 6606 .tx_last_beacon = iwl_mvm_tx_last_beacon, 6607 6608 .set_tim = iwl_mvm_set_tim, 6609 6610 .channel_switch = iwl_mvm_channel_switch, 6611 .pre_channel_switch = iwl_mvm_mac_pre_channel_switch, 6612 .post_channel_switch = iwl_mvm_post_channel_switch, 6613 .abort_channel_switch = iwl_mvm_abort_channel_switch, 6614 .channel_switch_rx_beacon = iwl_mvm_channel_switch_rx_beacon, 6615 6616 .tdls_channel_switch = iwl_mvm_tdls_channel_switch, 6617 .tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch, 6618 .tdls_recv_channel_switch = iwl_mvm_tdls_recv_channel_switch, 6619 6620 .event_callback = iwl_mvm_mac_event_callback, 6621 6622 .sync_rx_queues = iwl_mvm_sync_rx_queues, 6623 6624 CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd) 6625 6626 #ifdef CONFIG_PM_SLEEP 6627 /* look at d3.c */ 6628 .suspend = iwl_mvm_suspend, 6629 .resume = iwl_mvm_resume, 6630 .set_wakeup = iwl_mvm_set_wakeup, 6631 .set_rekey_data = iwl_mvm_set_rekey_data, 6632 #if IS_ENABLED(CONFIG_IPV6) 6633 .ipv6_addr_change = iwl_mvm_ipv6_addr_change, 6634 #endif 6635 .set_default_unicast_key = iwl_mvm_set_default_unicast_key, 6636 #endif 6637 .get_survey = iwl_mvm_mac_get_survey, 6638 .sta_statistics = iwl_mvm_mac_sta_statistics, 6639 .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats, 6640 .start_pmsr = iwl_mvm_start_pmsr, 6641 .abort_pmsr = iwl_mvm_abort_pmsr, 6642 6643 .can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate, 6644 #ifdef CONFIG_IWLWIFI_DEBUGFS 6645 .vif_add_debugfs = iwl_mvm_vif_add_debugfs, 6646 .link_sta_add_debugfs = iwl_mvm_link_sta_add_debugfs, 6647 #endif 6648 .set_hw_timestamp = iwl_mvm_set_hw_timestamp, 6649 }; 6650