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/module.h> 8 #include <linux/rtnetlink.h> 9 #include <linux/vmalloc.h> 10 #include <net/mac80211.h> 11 12 #include "fw/notif-wait.h" 13 #include "iwl-trans.h" 14 #include "iwl-op-mode.h" 15 #include "fw/img.h" 16 #include "iwl-debug.h" 17 #include "iwl-drv.h" 18 #include "iwl-modparams.h" 19 #include "mvm.h" 20 #include "iwl-phy-db.h" 21 #include "iwl-nvm-utils.h" 22 #include "iwl-csr.h" 23 #include "iwl-io.h" 24 #include "iwl-prph.h" 25 #include "rs.h" 26 #include "fw/api/scan.h" 27 #include "fw/api/rfi.h" 28 #include "time-event.h" 29 #include "fw-api.h" 30 #include "fw/acpi.h" 31 #include "fw/uefi.h" 32 #include "time-sync.h" 33 34 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 35 MODULE_DESCRIPTION(DRV_DESCRIPTION); 36 MODULE_LICENSE("GPL"); 37 MODULE_IMPORT_NS(IWLWIFI); 38 39 static const struct iwl_op_mode_ops iwl_mvm_ops; 40 static const struct iwl_op_mode_ops iwl_mvm_ops_mq; 41 42 struct iwl_mvm_mod_params iwlmvm_mod_params = { 43 .power_scheme = IWL_POWER_SCHEME_BPS, 44 /* rest of fields are 0 by default */ 45 }; 46 47 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444); 48 MODULE_PARM_DESC(init_dbg, 49 "set to true to debug an ASSERT in INIT fw (default: false"); 50 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 51 MODULE_PARM_DESC(power_scheme, 52 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 53 54 /* 55 * module init and exit functions 56 */ 57 static int __init iwl_mvm_init(void) 58 { 59 int ret; 60 61 ret = iwl_mvm_rate_control_register(); 62 if (ret) { 63 pr_err("Unable to register rate control algorithm: %d\n", ret); 64 return ret; 65 } 66 67 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 68 if (ret) 69 pr_err("Unable to register MVM op_mode: %d\n", ret); 70 71 return ret; 72 } 73 module_init(iwl_mvm_init); 74 75 static void __exit iwl_mvm_exit(void) 76 { 77 iwl_opmode_deregister("iwlmvm"); 78 iwl_mvm_rate_control_unregister(); 79 } 80 module_exit(iwl_mvm_exit); 81 82 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 83 { 84 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 85 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 86 u32 reg_val; 87 u32 phy_config = iwl_mvm_get_phy_config(mvm); 88 89 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 90 FW_PHY_CFG_RADIO_TYPE_POS; 91 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 92 FW_PHY_CFG_RADIO_STEP_POS; 93 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 94 FW_PHY_CFG_RADIO_DASH_POS; 95 96 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 97 radio_cfg_step, radio_cfg_dash); 98 99 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 100 return; 101 102 /* SKU control */ 103 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev); 104 105 /* radio configuration */ 106 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 107 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 108 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 109 110 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 111 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 112 113 /* 114 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 115 * sampling, and shouldn't be set to any non-zero value. 116 * The same is supposed to be true of the other HW, but unsetting 117 * them (such as the 7260) causes automatic tests to fail on seemingly 118 * unrelated errors. Need to further investigate this, but for now 119 * we'll separate cases. 120 */ 121 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) 122 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 123 124 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 125 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 126 127 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 128 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 129 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 130 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 131 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 132 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 133 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 134 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 135 reg_val); 136 137 /* 138 * W/A : NIC is stuck in a reset state after Early PCIe power off 139 * (PCIe power is lost before PERST# is asserted), causing ME FW 140 * to lose ownership and not being able to obtain it back. 141 */ 142 if (!mvm->trans->cfg->apmg_not_supported) 143 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 144 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 145 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 146 } 147 148 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm, 149 struct iwl_rx_cmd_buffer *rxb) 150 { 151 struct iwl_rx_packet *pkt = rxb_addr(rxb); 152 struct iwl_mvm_esr_mode_notif *notif = (void *)pkt->data; 153 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 154 155 /* FW recommendations is only for entering EMLSR */ 156 if (!vif || iwl_mvm_vif_from_mac80211(vif)->esr_active) 157 return; 158 159 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER) 160 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW); 161 else 162 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 163 iwl_mvm_get_primary_link(vif)); 164 } 165 166 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 167 struct iwl_rx_cmd_buffer *rxb) 168 { 169 struct iwl_rx_packet *pkt = rxb_addr(rxb); 170 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 171 struct ieee80211_supported_band *sband; 172 const struct ieee80211_sta_he_cap *he_cap; 173 struct ieee80211_vif *vif; 174 175 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 176 return; 177 178 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); 179 if (!vif || vif->type != NL80211_IFTYPE_STATION) 180 return; 181 182 if (!vif->bss_conf.chanreq.oper.chan || 183 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 184 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 185 return; 186 187 if (!vif->cfg.assoc) 188 return; 189 190 /* this shouldn't happen *again*, ignore it */ 191 if (mvm->cca_40mhz_workaround) 192 return; 193 194 /* 195 * We'll decrement this on disconnect - so set to 2 since we'll 196 * still have to disconnect from the current AP first. 197 */ 198 mvm->cca_40mhz_workaround = 2; 199 200 /* 201 * This capability manipulation isn't really ideal, but it's the 202 * easiest choice - otherwise we'd have to do some major changes 203 * in mac80211 to support this, which isn't worth it. This does 204 * mean that userspace may have outdated information, but that's 205 * actually not an issue at all. 206 */ 207 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 208 209 WARN_ON(!sband->ht_cap.ht_supported); 210 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 211 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 212 213 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 214 215 if (he_cap) { 216 /* we know that ours is writable */ 217 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 218 219 WARN_ON(!he->has_he); 220 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 221 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 222 he->he_cap_elem.phy_cap_info[0] &= 223 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 224 } 225 226 ieee80211_disconnect(vif, true); 227 } 228 229 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 230 struct ieee80211_bss_conf *link_conf) 231 { 232 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 233 struct iwl_mvm *mvm = mvmvif->mvm; 234 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 235 236 if (!link_conf) 237 return; 238 239 if (mvm->fw_static_smps_request && 240 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 241 link_conf->he_support) 242 mode = IEEE80211_SMPS_STATIC; 243 244 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 245 link_conf->link_id); 246 } 247 248 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 249 struct ieee80211_vif *vif) 250 { 251 struct ieee80211_bss_conf *link_conf; 252 unsigned int link_id; 253 254 rcu_read_lock(); 255 256 for_each_vif_active_link(vif, link_conf, link_id) 257 iwl_mvm_update_link_smps(vif, link_conf); 258 259 rcu_read_unlock(); 260 } 261 262 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 263 struct iwl_rx_cmd_buffer *rxb) 264 { 265 struct iwl_rx_packet *pkt = rxb_addr(rxb); 266 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 267 268 /* 269 * We could pass it to the iterator data, but also need to remember 270 * it for new interfaces that are added while in this state. 271 */ 272 mvm->fw_static_smps_request = 273 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 274 ieee80211_iterate_interfaces(mvm->hw, 275 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 276 iwl_mvm_intf_dual_chain_req, NULL); 277 } 278 279 /** 280 * enum iwl_rx_handler_context: context for Rx handler 281 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 282 * which can't acquire mvm->mutex. 283 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 284 * (and only in this case!), it should be set as ASYNC. In that case, 285 * it will be called from a worker with mvm->mutex held. 286 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 287 * mutex itself, it will be called from a worker without mvm->mutex held. 288 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 289 * and mvm->mutex. Will be handled with the wiphy_work queue infra 290 * instead of regular work queue. 291 */ 292 enum iwl_rx_handler_context { 293 RX_HANDLER_SYNC, 294 RX_HANDLER_ASYNC_LOCKED, 295 RX_HANDLER_ASYNC_UNLOCKED, 296 RX_HANDLER_ASYNC_LOCKED_WIPHY, 297 }; 298 299 /** 300 * struct iwl_rx_handlers: handler for FW notification 301 * @cmd_id: command id 302 * @min_size: minimum size to expect for the notification 303 * @context: see &iwl_rx_handler_context 304 * @fn: the function is called when notification is received 305 */ 306 struct iwl_rx_handlers { 307 u16 cmd_id, min_size; 308 enum iwl_rx_handler_context context; 309 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 310 }; 311 312 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 313 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 314 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 315 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 316 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 317 { .cmd_id = _cmd_id, .fn = _fn, \ 318 .context = _context, .min_size = sizeof(_struct), } 319 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 320 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 321 .context = _context, .min_size = sizeof(_struct), } 322 323 /* 324 * Handlers for fw notifications 325 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 326 * This list should be in order of frequency for performance purposes. 327 * 328 * The handler can be one from three contexts, see &iwl_rx_handler_context 329 */ 330 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 331 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 332 struct iwl_mvm_tx_resp), 333 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 334 struct iwl_mvm_ba_notif), 335 336 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 337 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 338 struct iwl_tlc_update_notif), 339 340 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, 341 RX_HANDLER_ASYNC_LOCKED_WIPHY, 342 struct iwl_bt_coex_profile_notif), 343 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 344 RX_HANDLER_ASYNC_LOCKED), 345 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 346 RX_HANDLER_ASYNC_LOCKED), 347 348 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 349 iwl_mvm_handle_rx_system_oper_stats, 350 RX_HANDLER_ASYNC_LOCKED_WIPHY, 351 struct iwl_system_statistics_notif_oper), 352 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 353 iwl_mvm_handle_rx_system_oper_part1_stats, 354 RX_HANDLER_ASYNC_LOCKED, 355 struct iwl_system_statistics_part1_notif_oper), 356 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 357 iwl_mvm_handle_rx_system_end_stats_notif, 358 RX_HANDLER_ASYNC_LOCKED, 359 struct iwl_system_statistics_end_notif), 360 361 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 362 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 363 struct iwl_ba_window_status_notif), 364 365 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 366 RX_HANDLER_SYNC, struct iwl_time_event_notif), 367 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 368 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 369 struct iwl_mvm_session_prot_notif), 370 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 371 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 372 373 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 374 struct iwl_mvm_eosp_notification), 375 376 RX_HANDLER(SCAN_ITERATION_COMPLETE, 377 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 378 struct iwl_lmac_scan_complete_notif), 379 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 380 iwl_mvm_rx_lmac_scan_complete_notif, 381 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 382 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 383 iwl_mvm_rx_scan_match_found, 384 RX_HANDLER_SYNC), 385 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 386 RX_HANDLER_ASYNC_LOCKED, 387 struct iwl_umac_scan_complete), 388 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 389 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 390 struct iwl_umac_scan_iter_complete_notif), 391 392 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif, 393 RX_HANDLER_ASYNC_LOCKED_WIPHY, 394 struct iwl_missed_beacons_notif), 395 396 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 397 struct iwl_error_resp), 398 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 399 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 400 struct iwl_uapsd_misbehaving_ap_notif), 401 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 402 RX_HANDLER_ASYNC_LOCKED), 403 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 404 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 405 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 406 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 407 struct ct_kill_notif), 408 409 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 410 RX_HANDLER_ASYNC_LOCKED, 411 struct iwl_tdls_channel_switch_notif), 412 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 413 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 414 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 415 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 416 struct iwl_ftm_responder_stats), 417 418 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 419 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 420 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 421 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 422 423 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 424 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 425 struct iwl_mfu_assert_dump_notif), 426 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 427 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 428 struct iwl_stored_beacon_notif_v2), 429 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 430 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 431 struct iwl_mu_group_mgmt_notif), 432 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 433 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 434 struct iwl_mvm_pm_state_notification), 435 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 436 iwl_mvm_probe_resp_data_notif, 437 RX_HANDLER_ASYNC_LOCKED, 438 struct iwl_probe_resp_data_notif), 439 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 440 iwl_mvm_channel_switch_start_notif, 441 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 442 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 443 iwl_mvm_channel_switch_error_notif, 444 RX_HANDLER_ASYNC_UNLOCKED, 445 struct iwl_channel_switch_error_notif), 446 447 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF, 448 iwl_mvm_rx_esr_mode_notif, 449 RX_HANDLER_ASYNC_LOCKED_WIPHY, 450 struct iwl_mvm_esr_mode_notif), 451 452 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 453 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 454 struct iwl_datapath_monitor_notif), 455 456 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 457 iwl_mvm_rx_thermal_dual_chain_req, 458 RX_HANDLER_ASYNC_LOCKED, 459 struct iwl_thermal_dual_chain_request), 460 461 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 462 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 463 struct iwl_rfi_deactivate_notif), 464 465 RX_HANDLER_GRP(LEGACY_GROUP, 466 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 467 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 468 struct iwl_time_msmt_notify), 469 RX_HANDLER_GRP(LEGACY_GROUP, 470 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 471 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 472 struct iwl_time_msmt_cfm_notify), 473 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 474 iwl_mvm_rx_roc_notif, RX_HANDLER_SYNC, 475 struct iwl_roc_notif), 476 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 477 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 478 struct iwl_umac_scan_channel_survey_notif), 479 }; 480 #undef RX_HANDLER 481 #undef RX_HANDLER_GRP 482 483 /* Please keep this array *SORTED* by hex value. 484 * Access is done through binary search 485 */ 486 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 487 HCMD_NAME(UCODE_ALIVE_NTFY), 488 HCMD_NAME(REPLY_ERROR), 489 HCMD_NAME(ECHO_CMD), 490 HCMD_NAME(INIT_COMPLETE_NOTIF), 491 HCMD_NAME(PHY_CONTEXT_CMD), 492 HCMD_NAME(DBG_CFG), 493 HCMD_NAME(SCAN_CFG_CMD), 494 HCMD_NAME(SCAN_REQ_UMAC), 495 HCMD_NAME(SCAN_ABORT_UMAC), 496 HCMD_NAME(SCAN_COMPLETE_UMAC), 497 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 498 HCMD_NAME(ADD_STA_KEY), 499 HCMD_NAME(ADD_STA), 500 HCMD_NAME(REMOVE_STA), 501 HCMD_NAME(TX_CMD), 502 HCMD_NAME(SCD_QUEUE_CFG), 503 HCMD_NAME(TXPATH_FLUSH), 504 HCMD_NAME(MGMT_MCAST_KEY), 505 HCMD_NAME(WEP_KEY), 506 HCMD_NAME(SHARED_MEM_CFG), 507 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 508 HCMD_NAME(MAC_CONTEXT_CMD), 509 HCMD_NAME(TIME_EVENT_CMD), 510 HCMD_NAME(TIME_EVENT_NOTIFICATION), 511 HCMD_NAME(BINDING_CONTEXT_CMD), 512 HCMD_NAME(TIME_QUOTA_CMD), 513 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 514 HCMD_NAME(LEDS_CMD), 515 HCMD_NAME(LQ_CMD), 516 HCMD_NAME(FW_PAGING_BLOCK_CMD), 517 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 518 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 519 HCMD_NAME(HOT_SPOT_CMD), 520 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 521 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 522 HCMD_NAME(BT_COEX_CI), 523 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 524 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 525 HCMD_NAME(PHY_CONFIGURATION_CMD), 526 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 527 HCMD_NAME(PHY_DB_CMD), 528 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 529 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 530 HCMD_NAME(POWER_TABLE_CMD), 531 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 532 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 533 HCMD_NAME(NVM_ACCESS_CMD), 534 HCMD_NAME(BEACON_NOTIFICATION), 535 HCMD_NAME(BEACON_TEMPLATE_CMD), 536 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 537 HCMD_NAME(BT_CONFIG), 538 HCMD_NAME(STATISTICS_CMD), 539 HCMD_NAME(STATISTICS_NOTIFICATION), 540 HCMD_NAME(EOSP_NOTIFICATION), 541 HCMD_NAME(REDUCE_TX_POWER_CMD), 542 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 543 HCMD_NAME(TDLS_CONFIG_CMD), 544 HCMD_NAME(MAC_PM_POWER_TABLE), 545 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 546 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 547 HCMD_NAME(RSS_CONFIG_CMD), 548 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 549 HCMD_NAME(REPLY_RX_PHY_CMD), 550 HCMD_NAME(REPLY_RX_MPDU_CMD), 551 HCMD_NAME(BAR_FRAME_RELEASE), 552 HCMD_NAME(FRAME_RELEASE), 553 HCMD_NAME(BA_NOTIF), 554 HCMD_NAME(MCC_UPDATE_CMD), 555 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 556 HCMD_NAME(MARKER_CMD), 557 HCMD_NAME(BT_PROFILE_NOTIFICATION), 558 HCMD_NAME(MCAST_FILTER_CMD), 559 HCMD_NAME(REPLY_SF_CFG_CMD), 560 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 561 HCMD_NAME(D3_CONFIG_CMD), 562 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 563 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 564 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 565 HCMD_NAME(WOWLAN_PATTERNS), 566 HCMD_NAME(WOWLAN_CONFIGURATION), 567 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 568 HCMD_NAME(WOWLAN_TKIP_PARAM), 569 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 570 HCMD_NAME(WOWLAN_GET_STATUSES), 571 HCMD_NAME(SCAN_ITERATION_COMPLETE), 572 HCMD_NAME(D0I3_END_CMD), 573 HCMD_NAME(LTR_CONFIG), 574 HCMD_NAME(LDBG_CONFIG_CMD), 575 HCMD_NAME(DEBUG_LOG_MSG), 576 }; 577 578 /* Please keep this array *SORTED* by hex value. 579 * Access is done through binary search 580 */ 581 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 582 HCMD_NAME(SHARED_MEM_CFG_CMD), 583 HCMD_NAME(SOC_CONFIGURATION_CMD), 584 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 585 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 586 HCMD_NAME(RFI_CONFIG_CMD), 587 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 588 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 589 HCMD_NAME(SYSTEM_STATISTICS_CMD), 590 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 591 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 592 }; 593 594 /* Please keep this array *SORTED* by hex value. 595 * Access is done through binary search 596 */ 597 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 598 HCMD_NAME(LOW_LATENCY_CMD), 599 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 600 HCMD_NAME(SESSION_PROTECTION_CMD), 601 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD), 602 HCMD_NAME(MAC_CONFIG_CMD), 603 HCMD_NAME(LINK_CONFIG_CMD), 604 HCMD_NAME(STA_CONFIG_CMD), 605 HCMD_NAME(AUX_STA_CMD), 606 HCMD_NAME(STA_REMOVE_CMD), 607 HCMD_NAME(STA_DISABLE_TX_CMD), 608 HCMD_NAME(ROC_CMD), 609 HCMD_NAME(ROC_NOTIF), 610 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF), 611 HCMD_NAME(MISSED_VAP_NOTIF), 612 HCMD_NAME(SESSION_PROTECTION_NOTIF), 613 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF), 614 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 615 }; 616 617 /* Please keep this array *SORTED* by hex value. 618 * Access is done through binary search 619 */ 620 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 621 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 622 HCMD_NAME(CTDP_CONFIG_CMD), 623 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 624 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 625 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 626 HCMD_NAME(CT_KILL_NOTIFICATION), 627 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 628 }; 629 630 /* Please keep this array *SORTED* by hex value. 631 * Access is done through binary search 632 */ 633 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 634 HCMD_NAME(DQA_ENABLE_CMD), 635 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 636 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 637 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD), 638 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 639 HCMD_NAME(STA_HE_CTXT_CMD), 640 HCMD_NAME(RLC_CONFIG_CMD), 641 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 642 HCMD_NAME(TLC_MNG_CONFIG_CMD), 643 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 644 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 645 HCMD_NAME(SEC_KEY_CMD), 646 HCMD_NAME(ESR_MODE_NOTIF), 647 HCMD_NAME(MONITOR_NOTIF), 648 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 649 HCMD_NAME(STA_PM_NOTIF), 650 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 651 HCMD_NAME(RX_QUEUES_NOTIFICATION), 652 }; 653 654 /* Please keep this array *SORTED* by hex value. 655 * Access is done through binary search 656 */ 657 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 658 HCMD_NAME(STATISTICS_OPER_NOTIF), 659 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 660 }; 661 662 /* Please keep this array *SORTED* by hex value. 663 * Access is done through binary search 664 */ 665 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 666 HCMD_NAME(LMAC_RD_WR), 667 HCMD_NAME(UMAC_RD_WR), 668 HCMD_NAME(HOST_EVENT_CFG), 669 HCMD_NAME(DBGC_SUSPEND_RESUME), 670 HCMD_NAME(BUFFER_ALLOCATION), 671 HCMD_NAME(GET_TAS_STATUS), 672 HCMD_NAME(FW_DUMP_COMPLETE_CMD), 673 HCMD_NAME(FW_CLEAR_BUFFER), 674 HCMD_NAME(MFU_ASSERT_DUMP_NTF), 675 }; 676 677 /* Please keep this array *SORTED* by hex value. 678 * Access is done through binary search 679 */ 680 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 681 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 682 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 683 }; 684 685 /* Please keep this array *SORTED* by hex value. 686 * Access is done through binary search 687 */ 688 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 689 HCMD_NAME(TOF_RANGE_REQ_CMD), 690 HCMD_NAME(TOF_CONFIG_CMD), 691 HCMD_NAME(TOF_RANGE_ABORT_CMD), 692 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 693 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 694 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 695 HCMD_NAME(TOF_LC_NOTIF), 696 HCMD_NAME(TOF_RESPONDER_STATS), 697 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 698 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 699 }; 700 701 /* Please keep this array *SORTED* by hex value. 702 * Access is done through binary search 703 */ 704 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 705 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 706 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 707 HCMD_NAME(D3_END_NOTIFICATION), 708 HCMD_NAME(STORED_BEACON_NTF), 709 }; 710 711 /* Please keep this array *SORTED* by hex value. 712 * Access is done through binary search 713 */ 714 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 715 HCMD_NAME(NVM_ACCESS_COMPLETE), 716 HCMD_NAME(NVM_GET_INFO), 717 HCMD_NAME(TAS_CONFIG), 718 }; 719 720 static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 721 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 722 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 723 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 724 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 725 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 726 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 727 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 728 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 729 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 730 [REGULATORY_AND_NVM_GROUP] = 731 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 732 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names), 733 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 734 }; 735 736 /* this forward declaration can avoid to export the function */ 737 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 738 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 739 struct wiphy_work *work); 740 741 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 742 { 743 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 744 u64 dflt_pwr_limit; 745 746 if (!backoff) 747 return 0; 748 749 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 750 751 while (backoff->pwr) { 752 if (dflt_pwr_limit >= backoff->pwr) 753 return backoff->backoff; 754 755 backoff++; 756 } 757 758 return 0; 759 } 760 761 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 762 { 763 struct iwl_mvm *mvm = 764 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 765 struct ieee80211_vif *tx_blocked_vif; 766 struct iwl_mvm_vif *mvmvif; 767 768 guard(mvm)(mvm); 769 770 tx_blocked_vif = 771 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 772 lockdep_is_held(&mvm->mutex)); 773 774 if (!tx_blocked_vif) 775 return; 776 777 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 778 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 779 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 780 } 781 782 static void iwl_mvm_fwrt_dump_start(void *ctx) 783 { 784 struct iwl_mvm *mvm = ctx; 785 786 mutex_lock(&mvm->mutex); 787 } 788 789 static void iwl_mvm_fwrt_dump_end(void *ctx) 790 { 791 struct iwl_mvm *mvm = ctx; 792 793 mutex_unlock(&mvm->mutex); 794 } 795 796 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 797 { 798 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 799 800 guard(mvm)(mvm); 801 return iwl_mvm_send_cmd(mvm, host_cmd); 802 } 803 804 static bool iwl_mvm_d3_debug_enable(void *ctx) 805 { 806 return IWL_MVM_D3_DEBUG; 807 } 808 809 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 810 .dump_start = iwl_mvm_fwrt_dump_start, 811 .dump_end = iwl_mvm_fwrt_dump_end, 812 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 813 .d3_debug_enable = iwl_mvm_d3_debug_enable, 814 }; 815 816 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 817 { 818 struct iwl_trans *trans = mvm->trans; 819 int ret; 820 821 if (trans->csme_own) { 822 if (WARN(!mvm->mei_registered, 823 "csme is owner, but we aren't registered to iwlmei\n")) 824 goto get_nvm_from_fw; 825 826 mvm->mei_nvm_data = iwl_mei_get_nvm(); 827 if (mvm->mei_nvm_data) { 828 /* 829 * mvm->mei_nvm_data is set and because of that, 830 * we'll load the NVM from the FW when we'll get 831 * ownership. 832 */ 833 mvm->nvm_data = 834 iwl_parse_mei_nvm_data(trans, trans->cfg, 835 mvm->mei_nvm_data, 836 mvm->fw, 837 mvm->set_tx_ant, 838 mvm->set_rx_ant); 839 return 0; 840 } 841 842 IWL_ERR(mvm, 843 "Got a NULL NVM from CSME, trying to get it from the device\n"); 844 } 845 846 get_nvm_from_fw: 847 rtnl_lock(); 848 wiphy_lock(mvm->hw->wiphy); 849 mutex_lock(&mvm->mutex); 850 851 ret = iwl_trans_start_hw(mvm->trans); 852 if (ret) { 853 mutex_unlock(&mvm->mutex); 854 wiphy_unlock(mvm->hw->wiphy); 855 rtnl_unlock(); 856 return ret; 857 } 858 859 ret = iwl_run_init_mvm_ucode(mvm); 860 if (ret && ret != -ERFKILL) 861 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 862 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 863 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 864 ret = iwl_mvm_init_mcc(mvm); 865 } 866 867 if (!iwlmvm_mod_params.init_dbg || !ret) 868 iwl_mvm_stop_device(mvm); 869 870 mutex_unlock(&mvm->mutex); 871 wiphy_unlock(mvm->hw->wiphy); 872 rtnl_unlock(); 873 874 if (ret) 875 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 876 877 /* no longer need this regardless of failure or not */ 878 mvm->pldr_sync = false; 879 880 return ret; 881 } 882 883 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 884 { 885 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 886 int ret; 887 888 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 889 890 ret = iwl_mvm_mac_setup_register(mvm); 891 if (ret) 892 return ret; 893 894 mvm->hw_registered = true; 895 896 iwl_mvm_dbgfs_register(mvm); 897 898 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 899 mvm->mei_rfkill_blocked, 900 RFKILL_HARD_BLOCK_NOT_OWNER); 901 902 iwl_mvm_mei_set_sw_rfkill_state(mvm); 903 904 return 0; 905 } 906 907 struct iwl_mvm_frob_txf_data { 908 u8 *buf; 909 size_t buflen; 910 }; 911 912 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 913 struct ieee80211_vif *vif, 914 struct ieee80211_sta *sta, 915 struct ieee80211_key_conf *key, 916 void *data) 917 { 918 struct iwl_mvm_frob_txf_data *txf = data; 919 u8 keylen, match, matchend; 920 u8 *keydata; 921 size_t i; 922 923 switch (key->cipher) { 924 case WLAN_CIPHER_SUITE_CCMP: 925 keydata = key->key; 926 keylen = key->keylen; 927 break; 928 case WLAN_CIPHER_SUITE_WEP40: 929 case WLAN_CIPHER_SUITE_WEP104: 930 case WLAN_CIPHER_SUITE_TKIP: 931 /* 932 * WEP has short keys which might show up in the payload, 933 * and then you can deduce the key, so in this case just 934 * remove all FIFO data. 935 * For TKIP, we don't know the phase 2 keys here, so same. 936 */ 937 memset(txf->buf, 0xBB, txf->buflen); 938 return; 939 default: 940 return; 941 } 942 943 /* scan for key material and clear it out */ 944 match = 0; 945 for (i = 0; i < txf->buflen; i++) { 946 if (txf->buf[i] != keydata[match]) { 947 match = 0; 948 continue; 949 } 950 match++; 951 if (match == keylen) { 952 memset(txf->buf + i - keylen, 0xAA, keylen); 953 match = 0; 954 } 955 } 956 957 /* we're dealing with a FIFO, so check wrapped around data */ 958 matchend = match; 959 for (i = 0; match && i < keylen - match; i++) { 960 if (txf->buf[i] != keydata[match]) 961 break; 962 match++; 963 if (match == keylen) { 964 memset(txf->buf, 0xAA, i + 1); 965 memset(txf->buf + txf->buflen - matchend, 0xAA, 966 matchend); 967 break; 968 } 969 } 970 } 971 972 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 973 { 974 struct iwl_mvm_frob_txf_data txf = { 975 .buf = buf, 976 .buflen = buflen, 977 }; 978 struct iwl_mvm *mvm = ctx; 979 980 /* embedded key material exists only on old API */ 981 if (iwl_mvm_has_new_tx_api(mvm)) 982 return; 983 984 rcu_read_lock(); 985 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 986 rcu_read_unlock(); 987 } 988 989 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 990 { 991 /* we only use wide headers for commands */ 992 struct iwl_cmd_header_wide *hdr = hcmd; 993 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 994 995 if (len < sizeof(hdr)) 996 return; 997 998 /* all the commands we care about are in LONG_GROUP */ 999 if (hdr->group_id != LONG_GROUP) 1000 return; 1001 1002 switch (hdr->cmd) { 1003 case WEP_KEY: 1004 case WOWLAN_TKIP_PARAM: 1005 case WOWLAN_KEK_KCK_MATERIAL: 1006 case ADD_STA_KEY: 1007 /* 1008 * blank out everything here, easier than dealing 1009 * with the various versions of the command 1010 */ 1011 frob_end = INT_MAX; 1012 break; 1013 case MGMT_MCAST_KEY: 1014 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1015 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1016 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1017 1018 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1019 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1020 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1021 break; 1022 } 1023 1024 if (frob_start >= frob_end) 1025 return; 1026 1027 if (frob_end > len) 1028 frob_end = len; 1029 1030 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1031 } 1032 1033 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1034 { 1035 const struct iwl_dump_exclude *excl; 1036 struct iwl_mvm *mvm = ctx; 1037 int i; 1038 1039 switch (mvm->fwrt.cur_fw_img) { 1040 case IWL_UCODE_INIT: 1041 default: 1042 /* not relevant */ 1043 return; 1044 case IWL_UCODE_REGULAR: 1045 case IWL_UCODE_REGULAR_USNIFFER: 1046 excl = mvm->fw->dump_excl; 1047 break; 1048 case IWL_UCODE_WOWLAN: 1049 excl = mvm->fw->dump_excl_wowlan; 1050 break; 1051 } 1052 1053 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1054 sizeof(mvm->fw->dump_excl_wowlan)); 1055 1056 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1057 u32 start, end; 1058 1059 if (!excl[i].addr || !excl[i].size) 1060 continue; 1061 1062 start = excl[i].addr; 1063 end = start + excl[i].size; 1064 1065 if (end <= mem_addr || start >= mem_addr + buflen) 1066 continue; 1067 1068 if (start < mem_addr) 1069 start = mem_addr; 1070 1071 if (end > mem_addr + buflen) 1072 end = mem_addr + buflen; 1073 1074 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1075 } 1076 } 1077 1078 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1079 .frob_txf = iwl_mvm_frob_txf, 1080 .frob_hcmd = iwl_mvm_frob_hcmd, 1081 .frob_mem = iwl_mvm_frob_mem, 1082 }; 1083 1084 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1085 { 1086 struct iwl_mvm *mvm = priv; 1087 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1088 1089 /* 1090 * This is protected by the guarantee that this function will not be 1091 * called twice on two different threads 1092 */ 1093 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1094 1095 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1096 if (!curr_conn_info) 1097 return; 1098 1099 curr_conn_info->conn_info = *conn_info; 1100 1101 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1102 1103 if (prev_conn_info) 1104 kfree_rcu(prev_conn_info, rcu_head); 1105 } 1106 1107 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1108 bool csme_taking_ownership) 1109 { 1110 struct iwl_mvm *mvm = priv; 1111 1112 if (blocked && !csme_taking_ownership) 1113 return; 1114 1115 mvm->mei_rfkill_blocked = blocked; 1116 if (!mvm->hw_registered) 1117 return; 1118 1119 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1120 mvm->mei_rfkill_blocked, 1121 RFKILL_HARD_BLOCK_NOT_OWNER); 1122 } 1123 1124 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1125 { 1126 struct iwl_mvm *mvm = priv; 1127 1128 if (!mvm->hw_registered || !mvm->csme_vif) 1129 return; 1130 1131 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1132 } 1133 1134 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1135 { 1136 struct iwl_mvm *mvm = 1137 container_of(wk, struct iwl_mvm, sap_connected_wk); 1138 int ret; 1139 1140 ret = iwl_mvm_start_get_nvm(mvm); 1141 if (ret) 1142 goto out_free; 1143 1144 ret = iwl_mvm_start_post_nvm(mvm); 1145 if (ret) 1146 goto out_free; 1147 1148 return; 1149 1150 out_free: 1151 IWL_ERR(mvm, "Couldn't get started...\n"); 1152 iwl_mei_start_unregister(); 1153 iwl_mei_unregister_complete(); 1154 iwl_fw_flush_dumps(&mvm->fwrt); 1155 iwl_mvm_thermal_exit(mvm); 1156 iwl_fw_runtime_free(&mvm->fwrt); 1157 iwl_phy_db_free(mvm->phy_db); 1158 kfree(mvm->scan_cmd); 1159 iwl_trans_op_mode_leave(mvm->trans); 1160 kfree(mvm->nvm_data); 1161 kfree(mvm->mei_nvm_data); 1162 1163 ieee80211_free_hw(mvm->hw); 1164 } 1165 1166 static void iwl_mvm_mei_sap_connected(void *priv) 1167 { 1168 struct iwl_mvm *mvm = priv; 1169 1170 if (!mvm->hw_registered) 1171 schedule_work(&mvm->sap_connected_wk); 1172 } 1173 1174 static void iwl_mvm_mei_nic_stolen(void *priv) 1175 { 1176 struct iwl_mvm *mvm = priv; 1177 1178 rtnl_lock(); 1179 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1180 rtnl_unlock(); 1181 } 1182 1183 static const struct iwl_mei_ops mei_ops = { 1184 .me_conn_status = iwl_mvm_me_conn_status, 1185 .rfkill = iwl_mvm_mei_rfkill, 1186 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1187 .sap_connected = iwl_mvm_mei_sap_connected, 1188 .nic_stolen = iwl_mvm_mei_nic_stolen, 1189 }; 1190 1191 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac, 1192 struct ieee80211_vif *vif) 1193 { 1194 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1195 1196 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized) 1197 iwl_mvm_select_links(mvmvif->mvm, vif); 1198 } 1199 1200 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy, 1201 struct wiphy_work *wk) 1202 { 1203 struct iwl_mvm *mvm = 1204 container_of(wk, struct iwl_mvm, trig_link_selection_wk); 1205 1206 ieee80211_iterate_active_interfaces(mvm->hw, 1207 IEEE80211_IFACE_ITER_NORMAL, 1208 iwl_mvm_find_link_selection_vif, 1209 NULL); 1210 } 1211 1212 static struct iwl_op_mode * 1213 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 1214 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1215 { 1216 struct ieee80211_hw *hw; 1217 struct iwl_op_mode *op_mode; 1218 struct iwl_mvm *mvm; 1219 struct iwl_trans_config trans_cfg = {}; 1220 static const u8 no_reclaim_cmds[] = { 1221 TX_CMD, 1222 }; 1223 u32 max_agg; 1224 size_t scan_size; 1225 u32 min_backoff; 1226 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1227 1228 /* 1229 * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station 1230 * index all over the driver - check that its value corresponds to the 1231 * array size. 1232 */ 1233 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1234 IWL_MVM_STATION_COUNT_MAX); 1235 1236 /******************************** 1237 * 1. Allocating and configuring HW data 1238 ********************************/ 1239 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1240 sizeof(struct iwl_mvm), 1241 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1242 &iwl_mvm_hw_ops); 1243 if (!hw) 1244 return NULL; 1245 1246 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1247 max_agg = 512; 1248 else 1249 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1250 1251 hw->max_rx_aggregation_subframes = max_agg; 1252 1253 if (cfg->max_tx_agg_size) 1254 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 1255 else 1256 hw->max_tx_aggregation_subframes = max_agg; 1257 1258 op_mode = hw->priv; 1259 1260 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1261 mvm->dev = trans->dev; 1262 mvm->trans = trans; 1263 mvm->cfg = cfg; 1264 mvm->fw = fw; 1265 mvm->hw = hw; 1266 1267 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1268 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1269 1270 iwl_mvm_get_bios_tables(mvm); 1271 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1272 iwl_uefi_get_step_table(trans); 1273 1274 mvm->init_status = 0; 1275 1276 if (iwl_mvm_has_new_rx_api(mvm)) { 1277 op_mode->ops = &iwl_mvm_ops_mq; 1278 trans->rx_mpdu_cmd_hdr_size = 1279 (trans->trans_cfg->device_family >= 1280 IWL_DEVICE_FAMILY_AX210) ? 1281 sizeof(struct iwl_rx_mpdu_desc) : 1282 IWL_RX_DESC_SIZE_V1; 1283 } else { 1284 op_mode->ops = &iwl_mvm_ops; 1285 trans->rx_mpdu_cmd_hdr_size = 1286 sizeof(struct iwl_rx_mpdu_res_start); 1287 1288 if (WARN_ON(trans->num_rx_queues > 1)) 1289 goto out_free; 1290 } 1291 1292 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 1293 1294 if (iwl_mvm_has_new_tx_api(mvm)) { 1295 /* 1296 * If we have the new TX/queue allocation API initialize them 1297 * all to invalid numbers. We'll rewrite the ones that we need 1298 * later, but that doesn't happen for all of them all of the 1299 * time (e.g. P2P Device is optional), and if a dynamic queue 1300 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1301 * iwl_mvm_is_static_queue() erroneously returns true, and we 1302 * might have things getting stuck. 1303 */ 1304 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1305 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1306 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1307 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1308 } else { 1309 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1310 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1311 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1312 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1313 } 1314 1315 mvm->sf_state = SF_UNINIT; 1316 if (iwl_mvm_has_unified_ucode(mvm)) 1317 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1318 else 1319 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1320 mvm->drop_bcn_ap_mode = true; 1321 1322 mutex_init(&mvm->mutex); 1323 spin_lock_init(&mvm->async_handlers_lock); 1324 INIT_LIST_HEAD(&mvm->time_event_list); 1325 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1326 INIT_LIST_HEAD(&mvm->async_handlers_list); 1327 spin_lock_init(&mvm->time_event_lock); 1328 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1329 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1330 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1331 1332 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1333 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1334 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1335 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1336 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1337 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1338 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1339 spin_lock_init(&mvm->add_stream_lock); 1340 1341 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1342 iwl_mvm_async_handlers_wiphy_wk); 1343 1344 wiphy_work_init(&mvm->trig_link_selection_wk, 1345 iwl_mvm_trig_link_selection); 1346 1347 init_waitqueue_head(&mvm->rx_sync_waitq); 1348 1349 mvm->queue_sync_state = 0; 1350 1351 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1352 1353 spin_lock_init(&mvm->tcm.lock); 1354 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1355 mvm->tcm.ts = jiffies; 1356 mvm->tcm.ll_ts = jiffies; 1357 mvm->tcm.uapsd_nonagg_ts = jiffies; 1358 1359 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1360 1361 mvm->cmd_ver.range_resp = 1362 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1363 TOF_RANGE_RESPONSE_NOTIF, 5); 1364 /* we only support up to version 9 */ 1365 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) 1366 goto out_free; 1367 1368 /* 1369 * Populate the state variables that the transport layer needs 1370 * to know about. 1371 */ 1372 trans_cfg.op_mode = op_mode; 1373 trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 1374 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1375 1376 trans_cfg.rx_buf_size = iwl_amsdu_size_to_rxb_size(); 1377 1378 trans->wide_cmd_header = true; 1379 trans_cfg.bc_table_dword = 1380 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; 1381 1382 trans_cfg.command_groups = iwl_mvm_groups; 1383 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1384 1385 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1386 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1387 trans_cfg.scd_set_active = true; 1388 1389 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 1390 driver_data[2]); 1391 1392 /* Set a short watchdog for the command queue */ 1393 trans_cfg.cmd_q_wdg_timeout = 1394 iwl_mvm_get_wd_timeout(mvm, NULL, false, true); 1395 1396 snprintf(mvm->hw->wiphy->fw_version, 1397 sizeof(mvm->hw->wiphy->fw_version), 1398 "%.31s", fw->fw_version); 1399 1400 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, 1401 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1402 1403 trans_cfg.queue_alloc_cmd_ver = 1404 iwl_fw_lookup_cmd_ver(mvm->fw, 1405 WIDE_ID(DATA_PATH_GROUP, 1406 SCD_QUEUE_CONFIG_CMD), 1407 0); 1408 mvm->sta_remove_requires_queue_remove = 1409 trans_cfg.queue_alloc_cmd_ver > 0; 1410 1411 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1412 1413 /* Configure transport layer */ 1414 iwl_trans_configure(mvm->trans, &trans_cfg); 1415 1416 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1417 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1418 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1419 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, 1420 sizeof(trans->dbg.conf_tlv)); 1421 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; 1422 1423 trans->iml = mvm->fw->iml; 1424 trans->iml_len = mvm->fw->iml_len; 1425 1426 /* set up notification wait support */ 1427 iwl_notification_wait_init(&mvm->notif_wait); 1428 1429 /* Init phy db */ 1430 mvm->phy_db = iwl_phy_db_init(trans); 1431 if (!mvm->phy_db) { 1432 IWL_ERR(mvm, "Cannot init phy_db\n"); 1433 goto out_free; 1434 } 1435 1436 if (iwlwifi_mod_params.nvm_file) 1437 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1438 else 1439 IWL_DEBUG_EEPROM(mvm->trans->dev, 1440 "working without external nvm file\n"); 1441 1442 scan_size = iwl_mvm_scan_size(mvm); 1443 1444 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1445 if (!mvm->scan_cmd) 1446 goto out_free; 1447 mvm->scan_cmd_size = scan_size; 1448 1449 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1450 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA; 1451 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA; 1452 1453 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1454 mvm->last_ebs_successful = true; 1455 1456 min_backoff = iwl_mvm_min_backoff(mvm); 1457 iwl_mvm_thermal_initialize(mvm, min_backoff); 1458 1459 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1460 memset(&mvm->rx_stats_v3, 0, 1461 sizeof(struct mvm_statistics_rx_v3)); 1462 else 1463 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1464 1465 iwl_mvm_ftm_initiator_smooth_config(mvm); 1466 1467 iwl_mvm_init_time_sync(&mvm->time_sync); 1468 1469 mvm->debugfs_dir = dbgfs_dir; 1470 1471 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1472 1473 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1474 1475 if (iwl_mvm_start_get_nvm(mvm)) { 1476 /* 1477 * Getting NVM failed while CSME is the owner, but we are 1478 * registered to MEI, we'll get the NVM later when it'll be 1479 * possible to get it from CSME. 1480 */ 1481 if (trans->csme_own && mvm->mei_registered) 1482 return op_mode; 1483 1484 goto out_thermal_exit; 1485 } 1486 1487 1488 if (iwl_mvm_start_post_nvm(mvm)) 1489 goto out_thermal_exit; 1490 1491 return op_mode; 1492 1493 out_thermal_exit: 1494 iwl_mvm_thermal_exit(mvm); 1495 if (mvm->mei_registered) { 1496 iwl_mei_start_unregister(); 1497 iwl_mei_unregister_complete(); 1498 } 1499 out_free: 1500 iwl_fw_flush_dumps(&mvm->fwrt); 1501 iwl_fw_runtime_free(&mvm->fwrt); 1502 1503 if (iwlmvm_mod_params.init_dbg) 1504 return op_mode; 1505 iwl_phy_db_free(mvm->phy_db); 1506 kfree(mvm->scan_cmd); 1507 iwl_trans_op_mode_leave(trans); 1508 1509 ieee80211_free_hw(mvm->hw); 1510 return NULL; 1511 } 1512 1513 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1514 { 1515 lockdep_assert_held(&mvm->mutex); 1516 1517 iwl_fw_cancel_timestamp(&mvm->fwrt); 1518 1519 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1520 1521 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1522 iwl_trans_stop_device(mvm->trans); 1523 iwl_free_fw_paging(&mvm->fwrt); 1524 iwl_fw_dump_conf_clear(&mvm->fwrt); 1525 iwl_mvm_mei_device_state(mvm, false); 1526 } 1527 1528 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1529 { 1530 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1531 int i; 1532 1533 if (mvm->mei_registered) { 1534 rtnl_lock(); 1535 iwl_mei_set_netdev(NULL); 1536 rtnl_unlock(); 1537 iwl_mei_start_unregister(); 1538 } 1539 1540 /* 1541 * After we unregister from mei, the worker can't be scheduled 1542 * anymore. 1543 */ 1544 cancel_work_sync(&mvm->sap_connected_wk); 1545 1546 iwl_mvm_leds_exit(mvm); 1547 1548 iwl_mvm_thermal_exit(mvm); 1549 1550 /* 1551 * If we couldn't get ownership on the device and we couldn't 1552 * get the NVM from CSME, we haven't registered to mac80211. 1553 * In that case, we didn't fail op_mode_start, because we are 1554 * waiting for CSME to allow us to get the NVM to register to 1555 * mac80211. If that didn't happen, we haven't registered to 1556 * mac80211, hence the if below. 1557 */ 1558 if (mvm->hw_registered) 1559 ieee80211_unregister_hw(mvm->hw); 1560 1561 kfree(mvm->scan_cmd); 1562 kfree(mvm->mcast_filter_cmd); 1563 mvm->mcast_filter_cmd = NULL; 1564 1565 kfree(mvm->error_recovery_buf); 1566 mvm->error_recovery_buf = NULL; 1567 1568 iwl_mvm_ptp_remove(mvm); 1569 1570 iwl_trans_op_mode_leave(mvm->trans); 1571 1572 iwl_phy_db_free(mvm->phy_db); 1573 mvm->phy_db = NULL; 1574 1575 kfree(mvm->nvm_data); 1576 kfree(mvm->mei_nvm_data); 1577 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1578 kfree(mvm->temp_nvm_data); 1579 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1580 kfree(mvm->nvm_sections[i].data); 1581 kfree(mvm->acs_survey); 1582 1583 cancel_delayed_work_sync(&mvm->tcm.work); 1584 1585 iwl_fw_runtime_free(&mvm->fwrt); 1586 mutex_destroy(&mvm->mutex); 1587 1588 if (mvm->mei_registered) 1589 iwl_mei_unregister_complete(); 1590 1591 ieee80211_free_hw(mvm->hw); 1592 } 1593 1594 struct iwl_async_handler_entry { 1595 struct list_head list; 1596 struct iwl_rx_cmd_buffer rxb; 1597 enum iwl_rx_handler_context context; 1598 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1599 }; 1600 1601 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1602 { 1603 struct iwl_async_handler_entry *entry, *tmp; 1604 1605 spin_lock_bh(&mvm->async_handlers_lock); 1606 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1607 iwl_free_rxb(&entry->rxb); 1608 list_del(&entry->list); 1609 kfree(entry); 1610 } 1611 spin_unlock_bh(&mvm->async_handlers_lock); 1612 } 1613 1614 /* 1615 * This function receives a bitmap of rx async handler contexts 1616 * (&iwl_rx_handler_context) to handle, and runs only them 1617 */ 1618 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1619 u8 contexts) 1620 { 1621 struct iwl_async_handler_entry *entry, *tmp; 1622 LIST_HEAD(local_list); 1623 1624 /* 1625 * Sync with Rx path with a lock. Remove all the entries of the 1626 * wanted contexts from this list, add them to a local one (lock free), 1627 * and then handle them. 1628 */ 1629 spin_lock_bh(&mvm->async_handlers_lock); 1630 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1631 if (!(BIT(entry->context) & contexts)) 1632 continue; 1633 list_del(&entry->list); 1634 list_add_tail(&entry->list, &local_list); 1635 } 1636 spin_unlock_bh(&mvm->async_handlers_lock); 1637 1638 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1639 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1640 mutex_lock(&mvm->mutex); 1641 entry->fn(mvm, &entry->rxb); 1642 iwl_free_rxb(&entry->rxb); 1643 list_del(&entry->list); 1644 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1645 mutex_unlock(&mvm->mutex); 1646 kfree(entry); 1647 } 1648 } 1649 1650 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1651 struct wiphy_work *wk) 1652 { 1653 struct iwl_mvm *mvm = 1654 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1655 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1656 1657 iwl_mvm_async_handlers_by_context(mvm, contexts); 1658 } 1659 1660 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1661 { 1662 struct iwl_mvm *mvm = 1663 container_of(wk, struct iwl_mvm, async_handlers_wk); 1664 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1665 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1666 1667 iwl_mvm_async_handlers_by_context(mvm, contexts); 1668 } 1669 1670 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1671 struct iwl_rx_packet *pkt) 1672 { 1673 struct iwl_fw_dbg_trigger_tlv *trig; 1674 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1675 int i; 1676 1677 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1678 FW_DBG_TRIGGER_FW_NOTIF); 1679 if (!trig) 1680 return; 1681 1682 cmds_trig = (void *)trig->data; 1683 1684 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1685 /* don't collect on CMD 0 */ 1686 if (!cmds_trig->cmds[i].cmd_id) 1687 break; 1688 1689 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1690 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1691 continue; 1692 1693 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1694 "CMD 0x%02x.%02x received", 1695 pkt->hdr.group_id, pkt->hdr.cmd); 1696 break; 1697 } 1698 } 1699 1700 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1701 struct iwl_rx_cmd_buffer *rxb, 1702 struct iwl_rx_packet *pkt) 1703 { 1704 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1705 int i; 1706 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1707 1708 iwl_dbg_tlv_time_point(&mvm->fwrt, 1709 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1710 iwl_mvm_rx_check_trigger(mvm, pkt); 1711 1712 /* 1713 * Do the notification wait before RX handlers so 1714 * even if the RX handler consumes the RXB we have 1715 * access to it in the notification wait entry. 1716 */ 1717 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1718 1719 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1720 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1721 struct iwl_async_handler_entry *entry; 1722 1723 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1724 continue; 1725 1726 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1727 "unexpected notification 0x%04x size %d, need %d\n", 1728 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1729 return; 1730 1731 if (rx_h->context == RX_HANDLER_SYNC) { 1732 rx_h->fn(mvm, rxb); 1733 return; 1734 } 1735 1736 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1737 /* we can't do much... */ 1738 if (!entry) 1739 return; 1740 1741 entry->rxb._page = rxb_steal_page(rxb); 1742 entry->rxb._offset = rxb->_offset; 1743 entry->rxb._rx_page_order = rxb->_rx_page_order; 1744 entry->fn = rx_h->fn; 1745 entry->context = rx_h->context; 1746 spin_lock(&mvm->async_handlers_lock); 1747 list_add_tail(&entry->list, &mvm->async_handlers_list); 1748 spin_unlock(&mvm->async_handlers_lock); 1749 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1750 wiphy_work_queue(mvm->hw->wiphy, 1751 &mvm->async_handlers_wiphy_wk); 1752 else 1753 schedule_work(&mvm->async_handlers_wk); 1754 break; 1755 } 1756 } 1757 1758 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1759 struct napi_struct *napi, 1760 struct iwl_rx_cmd_buffer *rxb) 1761 { 1762 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1763 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1764 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1765 1766 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1767 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1768 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1769 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1770 else 1771 iwl_mvm_rx_common(mvm, rxb, pkt); 1772 } 1773 1774 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1775 struct napi_struct *napi, 1776 struct iwl_rx_cmd_buffer *rxb) 1777 { 1778 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1779 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1780 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1781 1782 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1783 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1784 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1785 RX_QUEUES_NOTIFICATION))) 1786 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1787 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1788 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1789 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1790 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1791 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1792 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1793 else 1794 iwl_mvm_rx_common(mvm, rxb, pkt); 1795 } 1796 1797 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1798 { 1799 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1800 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1801 } 1802 1803 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1804 int hw_queue, bool start) 1805 { 1806 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1807 struct ieee80211_sta *sta; 1808 struct ieee80211_txq *txq; 1809 struct iwl_mvm_txq *mvmtxq; 1810 int i; 1811 unsigned long tid_bitmap; 1812 struct iwl_mvm_sta *mvmsta; 1813 u8 sta_id; 1814 1815 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1816 mvm->tvqm_info[hw_queue].sta_id : 1817 mvm->queue_info[hw_queue].ra_sta_id; 1818 1819 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1820 return; 1821 1822 rcu_read_lock(); 1823 1824 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1825 if (IS_ERR_OR_NULL(sta)) 1826 goto out; 1827 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1828 1829 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1830 if (!start) 1831 ieee80211_stop_queues(mvm->hw); 1832 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1833 ieee80211_wake_queues(mvm->hw); 1834 1835 goto out; 1836 } 1837 1838 if (iwl_mvm_has_new_tx_api(mvm)) { 1839 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1840 1841 tid_bitmap = BIT(tid); 1842 } else { 1843 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1844 } 1845 1846 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1847 int tid = i; 1848 1849 if (tid == IWL_MAX_TID_COUNT) 1850 tid = IEEE80211_NUM_TIDS; 1851 1852 txq = sta->txq[tid]; 1853 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1854 if (start) 1855 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1856 else 1857 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1858 1859 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1860 local_bh_disable(); 1861 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1862 local_bh_enable(); 1863 } 1864 } 1865 1866 out: 1867 rcu_read_unlock(); 1868 } 1869 1870 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1871 { 1872 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1873 } 1874 1875 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1876 { 1877 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1878 } 1879 1880 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1881 { 1882 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1883 iwl_mvm_is_radio_killed(mvm)); 1884 } 1885 1886 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1887 { 1888 if (state) 1889 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1890 else 1891 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1892 1893 iwl_mvm_set_rfkill_state(mvm); 1894 } 1895 1896 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1897 { 1898 return rcu_dereference_protected(mvm->csme_conn_info, 1899 lockdep_is_held(&mvm->mutex)); 1900 } 1901 1902 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1903 { 1904 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1905 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1906 bool unified = iwl_mvm_has_unified_ucode(mvm); 1907 1908 if (state) { 1909 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1910 wake_up(&mvm->rx_sync_waitq); 1911 } else { 1912 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1913 } 1914 1915 iwl_mvm_set_rfkill_state(mvm); 1916 1917 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1918 if (rfkill_safe_init_done) 1919 iwl_abort_notification_waits(&mvm->notif_wait); 1920 1921 /* 1922 * Don't ask the transport to stop the firmware. We'll do it 1923 * after cfg80211 takes us down. 1924 */ 1925 if (unified) 1926 return false; 1927 1928 /* 1929 * Stop the device if we run OPERATIONAL firmware or if we are in the 1930 * middle of the calibrations. 1931 */ 1932 return state && rfkill_safe_init_done; 1933 } 1934 1935 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1936 { 1937 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1938 struct ieee80211_tx_info *info; 1939 1940 info = IEEE80211_SKB_CB(skb); 1941 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1942 ieee80211_free_txskb(mvm->hw, skb); 1943 } 1944 1945 struct iwl_mvm_reprobe { 1946 struct device *dev; 1947 struct work_struct work; 1948 }; 1949 1950 static void iwl_mvm_reprobe_wk(struct work_struct *wk) 1951 { 1952 struct iwl_mvm_reprobe *reprobe; 1953 1954 reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 1955 if (device_reprobe(reprobe->dev)) 1956 dev_err(reprobe->dev, "reprobe failed!\n"); 1957 put_device(reprobe->dev); 1958 kfree(reprobe); 1959 module_put(THIS_MODULE); 1960 } 1961 1962 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 1963 { 1964 iwl_abort_notification_waits(&mvm->notif_wait); 1965 iwl_dbg_tlv_del_timers(mvm->trans); 1966 1967 /* 1968 * This is a bit racy, but worst case we tell mac80211 about 1969 * a stopped/aborted scan when that was already done which 1970 * is not a problem. It is necessary to abort any os scan 1971 * here because mac80211 requires having the scan cleared 1972 * before restarting. 1973 * We'll reset the scan_status to NONE in restart cleanup in 1974 * the next start() call from mac80211. If restart isn't called 1975 * (no fw restart) scan status will stay busy. 1976 */ 1977 iwl_mvm_report_scan_aborted(mvm); 1978 1979 /* 1980 * If we're restarting already, don't cycle restarts. 1981 * If INIT fw asserted, it will likely fail again. 1982 * If WoWLAN fw asserted, don't restart either, mac80211 1983 * can't recover this since we're already half suspended. 1984 */ 1985 if (!mvm->fw_restart && fw_error) { 1986 iwl_fw_error_collect(&mvm->fwrt, false); 1987 } else if (test_bit(IWL_MVM_STATUS_STARTING, 1988 &mvm->status)) { 1989 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n"); 1990 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 1991 struct iwl_mvm_reprobe *reprobe; 1992 1993 IWL_ERR(mvm, 1994 "Firmware error during reconfiguration - reprobe!\n"); 1995 1996 /* 1997 * get a module reference to avoid doing this while unloading 1998 * anyway and to avoid scheduling a work with code that's 1999 * being removed. 2000 */ 2001 if (!try_module_get(THIS_MODULE)) { 2002 IWL_ERR(mvm, "Module is being unloaded - abort\n"); 2003 return; 2004 } 2005 2006 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 2007 if (!reprobe) { 2008 module_put(THIS_MODULE); 2009 return; 2010 } 2011 reprobe->dev = get_device(mvm->trans->dev); 2012 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 2013 schedule_work(&reprobe->work); 2014 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2015 &mvm->status)) { 2016 IWL_ERR(mvm, "HW restart already requested, but not started\n"); 2017 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 2018 mvm->hw_registered && 2019 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 2020 /* This should be first thing before trying to collect any 2021 * data to avoid endless loops if any HW error happens while 2022 * collecting debug data. 2023 */ 2024 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 2025 2026 if (mvm->fw->ucode_capa.error_log_size) { 2027 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2028 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2029 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2030 2031 if (recover_buf) { 2032 mvm->error_recovery_buf = recover_buf; 2033 iwl_trans_read_mem_bytes(mvm->trans, 2034 src_addr, 2035 recover_buf, 2036 src_size); 2037 } 2038 } 2039 2040 iwl_fw_error_collect(&mvm->fwrt, false); 2041 2042 if (fw_error && mvm->fw_restart > 0) { 2043 mvm->fw_restart--; 2044 ieee80211_restart_hw(mvm->hw); 2045 } else if (mvm->fwrt.trans->dbg.restart_required) { 2046 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2047 mvm->fwrt.trans->dbg.restart_required = false; 2048 ieee80211_restart_hw(mvm->hw); 2049 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2050 ieee80211_restart_hw(mvm->hw); 2051 } 2052 } 2053 } 2054 2055 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync) 2056 { 2057 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2058 2059 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) && 2060 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2061 &mvm->status)) 2062 iwl_mvm_dump_nic_error_log(mvm); 2063 2064 if (sync) { 2065 iwl_fw_error_collect(&mvm->fwrt, true); 2066 /* 2067 * Currently, the only case for sync=true is during 2068 * shutdown, so just stop in this case. If/when that 2069 * changes, we need to be a bit smarter here. 2070 */ 2071 return; 2072 } 2073 2074 /* 2075 * If the firmware crashes while we're already considering it 2076 * to be dead then don't ask for a restart, that cannot do 2077 * anything useful anyway. 2078 */ 2079 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2080 return; 2081 2082 iwl_mvm_nic_restart(mvm, false); 2083 } 2084 2085 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 2086 { 2087 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2088 2089 WARN_ON(1); 2090 iwl_mvm_nic_restart(mvm, true); 2091 } 2092 2093 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2094 enum iwl_fw_ini_time_point tp_id, 2095 union iwl_dbg_tlv_tp_data *tp_data) 2096 { 2097 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2098 2099 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2100 } 2101 2102 #define IWL_MVM_COMMON_OPS \ 2103 /* these could be differentiated */ \ 2104 .queue_full = iwl_mvm_stop_sw_queue, \ 2105 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2106 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2107 .free_skb = iwl_mvm_free_skb, \ 2108 .nic_error = iwl_mvm_nic_error, \ 2109 .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 2110 .nic_config = iwl_mvm_nic_config, \ 2111 /* as we only register one, these MUST be common! */ \ 2112 .start = iwl_op_mode_mvm_start, \ 2113 .stop = iwl_op_mode_mvm_stop, \ 2114 .time_point = iwl_op_mode_mvm_time_point 2115 2116 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2117 IWL_MVM_COMMON_OPS, 2118 .rx = iwl_mvm_rx, 2119 }; 2120 2121 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2122 struct napi_struct *napi, 2123 struct iwl_rx_cmd_buffer *rxb, 2124 unsigned int queue) 2125 { 2126 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2127 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2128 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2129 2130 if (unlikely(queue >= mvm->trans->num_rx_queues)) 2131 return; 2132 2133 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2134 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2135 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2136 RX_QUEUES_NOTIFICATION))) 2137 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2138 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2139 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2140 } 2141 2142 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2143 IWL_MVM_COMMON_OPS, 2144 .rx = iwl_mvm_rx_mq, 2145 .rx_rss = iwl_mvm_rx_mq_rss, 2146 }; 2147