1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2025 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 }; 45 46 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 47 MODULE_PARM_DESC(power_scheme, 48 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 49 50 /* 51 * module init and exit functions 52 */ 53 static int __init iwl_mvm_init(void) 54 { 55 int ret; 56 57 ret = iwl_mvm_rate_control_register(); 58 if (ret) { 59 pr_err("Unable to register rate control algorithm: %d\n", ret); 60 return ret; 61 } 62 63 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 64 if (ret) { 65 pr_err("Unable to register MVM op_mode: %d\n", ret); 66 iwl_mvm_rate_control_unregister(); 67 } 68 69 return ret; 70 } 71 module_init(iwl_mvm_init); 72 73 static void __exit iwl_mvm_exit(void) 74 { 75 iwl_opmode_deregister("iwlmvm"); 76 iwl_mvm_rate_control_unregister(); 77 } 78 module_exit(iwl_mvm_exit); 79 80 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 81 { 82 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 83 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 84 u32 reg_val; 85 u32 phy_config = iwl_mvm_get_phy_config(mvm); 86 87 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 88 FW_PHY_CFG_RADIO_TYPE_POS; 89 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 90 FW_PHY_CFG_RADIO_STEP_POS; 91 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 92 FW_PHY_CFG_RADIO_DASH_POS; 93 94 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 95 radio_cfg_step, radio_cfg_dash); 96 97 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 98 return; 99 100 /* SKU control */ 101 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->info.hw_rev); 102 103 /* radio configuration */ 104 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 105 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 106 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 107 108 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 109 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 110 111 /* 112 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 113 * sampling, and shouldn't be set to any non-zero value. 114 * The same is supposed to be true of the other HW, but unsetting 115 * them (such as the 7260) causes automatic tests to fail on seemingly 116 * unrelated errors. Need to further investigate this, but for now 117 * we'll separate cases. 118 */ 119 if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_8000) 120 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 121 122 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 123 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 124 125 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 126 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 127 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 128 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 129 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 130 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 131 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 132 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 133 reg_val); 134 135 /* 136 * W/A : NIC is stuck in a reset state after Early PCIe power off 137 * (PCIe power is lost before PERST# is asserted), causing ME FW 138 * to lose ownership and not being able to obtain it back. 139 */ 140 if (!mvm->trans->mac_cfg->base->apmg_not_supported) 141 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 142 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 143 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 144 } 145 146 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm, 147 struct iwl_rx_cmd_buffer *rxb) 148 { 149 struct iwl_rx_packet *pkt = rxb_addr(rxb); 150 struct iwl_esr_mode_notif *notif = (void *)pkt->data; 151 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 152 153 /* FW recommendations is only for entering EMLSR */ 154 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active) 155 return; 156 157 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER) 158 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW); 159 else 160 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 161 iwl_mvm_get_primary_link(vif)); 162 } 163 164 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 165 struct iwl_rx_cmd_buffer *rxb) 166 { 167 struct iwl_rx_packet *pkt = rxb_addr(rxb); 168 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 169 struct ieee80211_supported_band *sband; 170 const struct ieee80211_sta_he_cap *he_cap; 171 struct ieee80211_vif *vif; 172 173 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 174 return; 175 176 /* FIXME: should fetch the link and not the vif */ 177 vif = iwl_mvm_get_vif_by_macid(mvm, notif->link_id); 178 if (!vif || vif->type != NL80211_IFTYPE_STATION) 179 return; 180 181 if (!vif->bss_conf.chanreq.oper.chan || 182 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 183 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 184 return; 185 186 if (!vif->cfg.assoc) 187 return; 188 189 /* this shouldn't happen *again*, ignore it */ 190 if (mvm->cca_40mhz_workaround) 191 return; 192 193 /* 194 * We'll decrement this on disconnect - so set to 2 since we'll 195 * still have to disconnect from the current AP first. 196 */ 197 mvm->cca_40mhz_workaround = 2; 198 199 /* 200 * This capability manipulation isn't really ideal, but it's the 201 * easiest choice - otherwise we'd have to do some major changes 202 * in mac80211 to support this, which isn't worth it. This does 203 * mean that userspace may have outdated information, but that's 204 * actually not an issue at all. 205 */ 206 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 207 208 WARN_ON(!sband->ht_cap.ht_supported); 209 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 210 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 211 212 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 213 214 if (he_cap) { 215 /* we know that ours is writable */ 216 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 217 218 WARN_ON(!he->has_he); 219 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 220 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 221 he->he_cap_elem.phy_cap_info[0] &= 222 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 223 } 224 225 ieee80211_disconnect(vif, true); 226 } 227 228 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 229 struct ieee80211_bss_conf *link_conf) 230 { 231 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 232 struct iwl_mvm *mvm = mvmvif->mvm; 233 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 234 235 if (!link_conf) 236 return; 237 238 if (mvm->fw_static_smps_request && 239 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 240 link_conf->he_support) 241 mode = IEEE80211_SMPS_STATIC; 242 243 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 244 link_conf->link_id); 245 } 246 247 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 248 struct ieee80211_vif *vif) 249 { 250 struct ieee80211_bss_conf *link_conf; 251 unsigned int link_id; 252 253 rcu_read_lock(); 254 255 for_each_vif_active_link(vif, link_conf, link_id) 256 iwl_mvm_update_link_smps(vif, link_conf); 257 258 rcu_read_unlock(); 259 } 260 261 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 262 struct iwl_rx_cmd_buffer *rxb) 263 { 264 struct iwl_rx_packet *pkt = rxb_addr(rxb); 265 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 266 267 /* firmware is expected to handle that in RLC offload mode */ 268 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm), 269 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n", 270 req->event)) 271 return; 272 273 /* 274 * We could pass it to the iterator data, but also need to remember 275 * it for new interfaces that are added while in this state. 276 */ 277 mvm->fw_static_smps_request = 278 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 279 ieee80211_iterate_interfaces(mvm->hw, 280 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 281 iwl_mvm_intf_dual_chain_req, NULL); 282 } 283 284 /** 285 * enum iwl_rx_handler_context: context for Rx handler 286 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 287 * which can't acquire mvm->mutex. 288 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 289 * (and only in this case!), it should be set as ASYNC. In that case, 290 * it will be called from a worker with mvm->mutex held. 291 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 292 * mutex itself, it will be called from a worker without mvm->mutex held. 293 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 294 * and mvm->mutex. Will be handled with the wiphy_work queue infra 295 * instead of regular work queue. 296 */ 297 enum iwl_rx_handler_context { 298 RX_HANDLER_SYNC, 299 RX_HANDLER_ASYNC_LOCKED, 300 RX_HANDLER_ASYNC_UNLOCKED, 301 RX_HANDLER_ASYNC_LOCKED_WIPHY, 302 }; 303 304 /** 305 * struct iwl_rx_handlers: handler for FW notification 306 * @cmd_id: command id 307 * @min_size: minimum size to expect for the notification 308 * @context: see &iwl_rx_handler_context 309 * @fn: the function is called when notification is received 310 */ 311 struct iwl_rx_handlers { 312 u16 cmd_id, min_size; 313 enum iwl_rx_handler_context context; 314 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 315 }; 316 317 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 318 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 319 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 320 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 321 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 322 { .cmd_id = _cmd_id, .fn = _fn, \ 323 .context = _context, .min_size = sizeof(_struct), } 324 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 325 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 326 .context = _context, .min_size = sizeof(_struct), } 327 328 /* 329 * Handlers for fw notifications 330 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 331 * This list should be in order of frequency for performance purposes. 332 * 333 * The handler can be one from three contexts, see &iwl_rx_handler_context 334 */ 335 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 336 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 337 struct iwl_tx_resp), 338 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 339 struct iwl_mvm_ba_notif), 340 341 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 342 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 343 struct iwl_tlc_update_notif), 344 345 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif, 346 RX_HANDLER_ASYNC_LOCKED_WIPHY, 347 struct iwl_bt_coex_prof_old_notif), 348 RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif, 349 RX_HANDLER_ASYNC_LOCKED_WIPHY, 350 struct iwl_bt_coex_profile_notif), 351 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 352 RX_HANDLER_ASYNC_LOCKED), 353 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 354 RX_HANDLER_ASYNC_LOCKED), 355 356 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 357 iwl_mvm_handle_rx_system_oper_stats, 358 RX_HANDLER_ASYNC_LOCKED_WIPHY, 359 struct iwl_system_statistics_notif_oper), 360 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 361 iwl_mvm_handle_rx_system_oper_part1_stats, 362 RX_HANDLER_ASYNC_LOCKED, 363 struct iwl_system_statistics_part1_notif_oper), 364 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 365 iwl_mvm_handle_rx_system_end_stats_notif, 366 RX_HANDLER_ASYNC_LOCKED, 367 struct iwl_system_statistics_end_notif), 368 369 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 370 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 371 struct iwl_ba_window_status_notif), 372 373 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 374 RX_HANDLER_SYNC, struct iwl_time_event_notif), 375 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 376 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 377 struct iwl_session_prot_notif), 378 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 379 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 380 381 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 382 struct iwl_mvm_eosp_notification), 383 384 RX_HANDLER(SCAN_ITERATION_COMPLETE, 385 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 386 struct iwl_lmac_scan_complete_notif), 387 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 388 iwl_mvm_rx_lmac_scan_complete_notif, 389 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 390 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 391 iwl_mvm_rx_scan_match_found, 392 RX_HANDLER_SYNC), 393 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 394 RX_HANDLER_ASYNC_LOCKED, 395 struct iwl_umac_scan_complete), 396 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 397 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 398 struct iwl_umac_scan_iter_complete_notif), 399 400 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, 401 iwl_mvm_rx_missed_beacons_notif_legacy, 402 RX_HANDLER_ASYNC_LOCKED_WIPHY, 403 struct iwl_missed_beacons_notif_v4), 404 405 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF, 406 iwl_mvm_rx_missed_beacons_notif, 407 RX_HANDLER_ASYNC_LOCKED_WIPHY, 408 struct iwl_missed_beacons_notif), 409 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 410 struct iwl_error_resp), 411 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 412 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 413 struct iwl_uapsd_misbehaving_ap_notif), 414 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 415 RX_HANDLER_ASYNC_LOCKED), 416 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 417 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 418 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 419 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 420 struct ct_kill_notif), 421 422 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 423 RX_HANDLER_ASYNC_LOCKED, 424 struct iwl_tdls_channel_switch_notif), 425 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 426 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 427 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 428 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 429 struct iwl_ftm_responder_stats), 430 431 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 432 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 433 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 434 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 435 436 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 437 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 438 struct iwl_mfu_assert_dump_notif), 439 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 440 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 441 struct iwl_stored_beacon_notif_v2), 442 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 443 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 444 struct iwl_mu_group_mgmt_notif), 445 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 446 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 447 struct iwl_mvm_pm_state_notification), 448 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 449 iwl_mvm_probe_resp_data_notif, 450 RX_HANDLER_ASYNC_LOCKED, 451 struct iwl_probe_resp_data_notif), 452 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 453 iwl_mvm_channel_switch_start_notif, 454 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 455 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 456 iwl_mvm_channel_switch_error_notif, 457 RX_HANDLER_ASYNC_UNLOCKED, 458 struct iwl_channel_switch_error_notif), 459 460 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF, 461 iwl_mvm_rx_esr_mode_notif, 462 RX_HANDLER_ASYNC_LOCKED_WIPHY, 463 struct iwl_esr_mode_notif), 464 465 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 466 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 467 struct iwl_datapath_monitor_notif), 468 469 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 470 iwl_mvm_rx_thermal_dual_chain_req, 471 RX_HANDLER_ASYNC_LOCKED, 472 struct iwl_thermal_dual_chain_request), 473 474 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 475 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 476 struct iwl_rfi_deactivate_notif), 477 478 RX_HANDLER_GRP(LEGACY_GROUP, 479 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 480 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 481 struct iwl_time_msmt_notify), 482 RX_HANDLER_GRP(LEGACY_GROUP, 483 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 484 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 485 struct iwl_time_msmt_cfm_notify), 486 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 487 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED, 488 struct iwl_roc_notif), 489 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 490 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 491 struct iwl_umac_scan_channel_survey_notif), 492 RX_HANDLER_GRP(DATA_PATH_GROUP, BEACON_FILTER_IN_NOTIF, 493 iwl_mvm_rx_beacon_filter_notif, 494 RX_HANDLER_ASYNC_LOCKED, 495 /* same size as v1 */ 496 struct iwl_beacon_filter_notif), 497 }; 498 #undef RX_HANDLER 499 #undef RX_HANDLER_GRP 500 501 /* Please keep this array *SORTED* by hex value. 502 * Access is done through binary search 503 */ 504 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 505 HCMD_NAME(UCODE_ALIVE_NTFY), 506 HCMD_NAME(REPLY_ERROR), 507 HCMD_NAME(ECHO_CMD), 508 HCMD_NAME(INIT_COMPLETE_NOTIF), 509 HCMD_NAME(PHY_CONTEXT_CMD), 510 HCMD_NAME(DBG_CFG), 511 HCMD_NAME(SCAN_CFG_CMD), 512 HCMD_NAME(SCAN_REQ_UMAC), 513 HCMD_NAME(SCAN_ABORT_UMAC), 514 HCMD_NAME(SCAN_COMPLETE_UMAC), 515 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 516 HCMD_NAME(ADD_STA_KEY), 517 HCMD_NAME(ADD_STA), 518 HCMD_NAME(REMOVE_STA), 519 HCMD_NAME(TX_CMD), 520 HCMD_NAME(SCD_QUEUE_CFG), 521 HCMD_NAME(TXPATH_FLUSH), 522 HCMD_NAME(MGMT_MCAST_KEY), 523 HCMD_NAME(WEP_KEY), 524 HCMD_NAME(SHARED_MEM_CFG), 525 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 526 HCMD_NAME(MAC_CONTEXT_CMD), 527 HCMD_NAME(TIME_EVENT_CMD), 528 HCMD_NAME(TIME_EVENT_NOTIFICATION), 529 HCMD_NAME(BINDING_CONTEXT_CMD), 530 HCMD_NAME(TIME_QUOTA_CMD), 531 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 532 HCMD_NAME(LEDS_CMD), 533 HCMD_NAME(LQ_CMD), 534 HCMD_NAME(FW_PAGING_BLOCK_CMD), 535 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 536 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 537 HCMD_NAME(HOT_SPOT_CMD), 538 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 539 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 540 HCMD_NAME(BT_COEX_CI), 541 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 542 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 543 HCMD_NAME(PHY_CONFIGURATION_CMD), 544 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 545 HCMD_NAME(PHY_DB_CMD), 546 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 547 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 548 HCMD_NAME(POWER_TABLE_CMD), 549 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 550 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 551 HCMD_NAME(NVM_ACCESS_CMD), 552 HCMD_NAME(BEACON_NOTIFICATION), 553 HCMD_NAME(BEACON_TEMPLATE_CMD), 554 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 555 HCMD_NAME(BT_CONFIG), 556 HCMD_NAME(STATISTICS_CMD), 557 HCMD_NAME(STATISTICS_NOTIFICATION), 558 HCMD_NAME(EOSP_NOTIFICATION), 559 HCMD_NAME(REDUCE_TX_POWER_CMD), 560 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 561 HCMD_NAME(TDLS_CONFIG_CMD), 562 HCMD_NAME(MAC_PM_POWER_TABLE), 563 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 564 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 565 HCMD_NAME(RSS_CONFIG_CMD), 566 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 567 HCMD_NAME(REPLY_RX_PHY_CMD), 568 HCMD_NAME(REPLY_RX_MPDU_CMD), 569 HCMD_NAME(BAR_FRAME_RELEASE), 570 HCMD_NAME(FRAME_RELEASE), 571 HCMD_NAME(BA_NOTIF), 572 HCMD_NAME(MCC_UPDATE_CMD), 573 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 574 HCMD_NAME(MARKER_CMD), 575 HCMD_NAME(BT_PROFILE_NOTIFICATION), 576 HCMD_NAME(MCAST_FILTER_CMD), 577 HCMD_NAME(REPLY_SF_CFG_CMD), 578 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 579 HCMD_NAME(D3_CONFIG_CMD), 580 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 581 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 582 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 583 HCMD_NAME(WOWLAN_PATTERNS), 584 HCMD_NAME(WOWLAN_CONFIGURATION), 585 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 586 HCMD_NAME(WOWLAN_TKIP_PARAM), 587 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 588 HCMD_NAME(WOWLAN_GET_STATUSES), 589 HCMD_NAME(SCAN_ITERATION_COMPLETE), 590 HCMD_NAME(D0I3_END_CMD), 591 HCMD_NAME(LTR_CONFIG), 592 HCMD_NAME(LDBG_CONFIG_CMD), 593 HCMD_NAME(DEBUG_LOG_MSG), 594 }; 595 596 /* Please keep this array *SORTED* by hex value. 597 * Access is done through binary search 598 */ 599 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 600 HCMD_NAME(SHARED_MEM_CFG_CMD), 601 HCMD_NAME(SOC_CONFIGURATION_CMD), 602 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 603 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 604 HCMD_NAME(RFI_CONFIG_CMD), 605 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 606 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 607 HCMD_NAME(SYSTEM_STATISTICS_CMD), 608 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 609 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 610 }; 611 612 /* Please keep this array *SORTED* by hex value. 613 * Access is done through binary search 614 */ 615 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 616 HCMD_NAME(LOW_LATENCY_CMD), 617 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 618 HCMD_NAME(SESSION_PROTECTION_CMD), 619 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD), 620 HCMD_NAME(MAC_CONFIG_CMD), 621 HCMD_NAME(LINK_CONFIG_CMD), 622 HCMD_NAME(STA_CONFIG_CMD), 623 HCMD_NAME(AUX_STA_CMD), 624 HCMD_NAME(STA_REMOVE_CMD), 625 HCMD_NAME(STA_DISABLE_TX_CMD), 626 HCMD_NAME(ROC_CMD), 627 HCMD_NAME(ROC_NOTIF), 628 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF), 629 HCMD_NAME(MISSED_VAP_NOTIF), 630 HCMD_NAME(SESSION_PROTECTION_NOTIF), 631 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF), 632 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 633 }; 634 635 /* Please keep this array *SORTED* by hex value. 636 * Access is done through binary search 637 */ 638 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 639 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 640 HCMD_NAME(CTDP_CONFIG_CMD), 641 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 642 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 643 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 644 HCMD_NAME(CT_KILL_NOTIFICATION), 645 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 646 }; 647 648 /* Please keep this array *SORTED* by hex value. 649 * Access is done through binary search 650 */ 651 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 652 HCMD_NAME(DQA_ENABLE_CMD), 653 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 654 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 655 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD), 656 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 657 HCMD_NAME(STA_HE_CTXT_CMD), 658 HCMD_NAME(RLC_CONFIG_CMD), 659 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 660 HCMD_NAME(TLC_MNG_CONFIG_CMD), 661 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 662 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 663 HCMD_NAME(SEC_KEY_CMD), 664 HCMD_NAME(ESR_MODE_NOTIF), 665 HCMD_NAME(MONITOR_NOTIF), 666 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 667 HCMD_NAME(BEACON_FILTER_IN_NOTIF), 668 HCMD_NAME(STA_PM_NOTIF), 669 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 670 HCMD_NAME(RX_QUEUES_NOTIFICATION), 671 }; 672 673 /* Please keep this array *SORTED* by hex value. 674 * Access is done through binary search 675 */ 676 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 677 HCMD_NAME(STATISTICS_OPER_NOTIF), 678 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 679 }; 680 681 /* Please keep this array *SORTED* by hex value. 682 * Access is done through binary search 683 */ 684 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 685 HCMD_NAME(LMAC_RD_WR), 686 HCMD_NAME(UMAC_RD_WR), 687 HCMD_NAME(HOST_EVENT_CFG), 688 HCMD_NAME(DBGC_SUSPEND_RESUME), 689 HCMD_NAME(BUFFER_ALLOCATION), 690 HCMD_NAME(GET_TAS_STATUS), 691 HCMD_NAME(FW_DUMP_COMPLETE_CMD), 692 HCMD_NAME(FW_CLEAR_BUFFER), 693 HCMD_NAME(MFU_ASSERT_DUMP_NTF), 694 }; 695 696 /* Please keep this array *SORTED* by hex value. 697 * Access is done through binary search 698 */ 699 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 700 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 701 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 702 }; 703 704 /* Please keep this array *SORTED* by hex value. 705 * Access is done through binary search 706 */ 707 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 708 HCMD_NAME(TOF_RANGE_REQ_CMD), 709 HCMD_NAME(TOF_CONFIG_CMD), 710 HCMD_NAME(TOF_RANGE_ABORT_CMD), 711 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 712 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 713 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 714 HCMD_NAME(TOF_LC_NOTIF), 715 HCMD_NAME(TOF_RESPONDER_STATS), 716 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 717 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 718 }; 719 720 /* Please keep this array *SORTED* by hex value. 721 * Access is done through binary search 722 */ 723 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 724 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 725 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 726 HCMD_NAME(D3_END_NOTIFICATION), 727 HCMD_NAME(STORED_BEACON_NTF), 728 }; 729 730 /* Please keep this array *SORTED* by hex value. 731 * Access is done through binary search 732 */ 733 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 734 HCMD_NAME(NVM_ACCESS_COMPLETE), 735 HCMD_NAME(NVM_GET_INFO), 736 HCMD_NAME(TAS_CONFIG), 737 }; 738 739 /* Please keep this array *SORTED* by hex value. 740 * Access is done through binary search 741 */ 742 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = { 743 HCMD_NAME(PROFILE_NOTIF), 744 }; 745 746 VISIBLE_IF_IWLWIFI_KUNIT 747 const struct iwl_hcmd_arr iwl_mvm_groups[] = { 748 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 749 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 750 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 751 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 752 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 753 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 754 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 755 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 756 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names), 757 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 758 [REGULATORY_AND_NVM_GROUP] = 759 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 760 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names), 761 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 762 }; 763 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups); 764 #if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS) 765 const unsigned int iwl_mvm_groups_size = ARRAY_SIZE(iwl_mvm_groups); 766 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups_size); 767 #endif 768 769 /* this forward declaration can avoid to export the function */ 770 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 771 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 772 struct wiphy_work *work); 773 774 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 775 { 776 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 777 u64 dflt_pwr_limit; 778 779 if (!backoff) 780 return 0; 781 782 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 783 784 while (backoff->pwr) { 785 if (dflt_pwr_limit >= backoff->pwr) 786 return backoff->backoff; 787 788 backoff++; 789 } 790 791 return 0; 792 } 793 794 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 795 { 796 struct iwl_mvm *mvm = 797 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 798 struct ieee80211_vif *tx_blocked_vif; 799 struct iwl_mvm_vif *mvmvif; 800 801 guard(mvm)(mvm); 802 803 tx_blocked_vif = 804 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 805 lockdep_is_held(&mvm->mutex)); 806 807 if (!tx_blocked_vif) 808 return; 809 810 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 811 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 812 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 813 } 814 815 static void iwl_mvm_fwrt_dump_start(void *ctx) 816 { 817 struct iwl_mvm *mvm = ctx; 818 819 mutex_lock(&mvm->mutex); 820 } 821 822 static void iwl_mvm_fwrt_dump_end(void *ctx) 823 { 824 struct iwl_mvm *mvm = ctx; 825 826 mutex_unlock(&mvm->mutex); 827 } 828 829 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 830 { 831 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 832 833 guard(mvm)(mvm); 834 return iwl_mvm_send_cmd(mvm, host_cmd); 835 } 836 837 static bool iwl_mvm_d3_debug_enable(void *ctx) 838 { 839 return IWL_MVM_D3_DEBUG; 840 } 841 842 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 843 .dump_start = iwl_mvm_fwrt_dump_start, 844 .dump_end = iwl_mvm_fwrt_dump_end, 845 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 846 .d3_debug_enable = iwl_mvm_d3_debug_enable, 847 }; 848 849 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 850 { 851 struct iwl_trans *trans = mvm->trans; 852 int ret; 853 854 if (trans->csme_own) { 855 if (WARN(!mvm->mei_registered, 856 "csme is owner, but we aren't registered to iwlmei\n")) 857 goto get_nvm_from_fw; 858 859 mvm->mei_nvm_data = iwl_mei_get_nvm(); 860 if (mvm->mei_nvm_data) { 861 /* 862 * mvm->mei_nvm_data is set and because of that, 863 * we'll load the NVM from the FW when we'll get 864 * ownership. 865 */ 866 mvm->nvm_data = 867 iwl_parse_mei_nvm_data(trans, trans->cfg, 868 mvm->mei_nvm_data, 869 mvm->fw, 870 mvm->set_tx_ant, 871 mvm->set_rx_ant); 872 return 0; 873 } 874 875 IWL_ERR(mvm, 876 "Got a NULL NVM from CSME, trying to get it from the device\n"); 877 } 878 879 get_nvm_from_fw: 880 rtnl_lock(); 881 wiphy_lock(mvm->hw->wiphy); 882 mutex_lock(&mvm->mutex); 883 884 ret = iwl_trans_start_hw(mvm->trans); 885 if (ret) { 886 mutex_unlock(&mvm->mutex); 887 wiphy_unlock(mvm->hw->wiphy); 888 rtnl_unlock(); 889 return ret; 890 } 891 892 ret = iwl_run_init_mvm_ucode(mvm); 893 if (ret && ret != -ERFKILL) 894 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 895 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 896 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 897 ret = iwl_mvm_init_mcc(mvm); 898 } 899 900 iwl_mvm_stop_device(mvm); 901 902 mutex_unlock(&mvm->mutex); 903 wiphy_unlock(mvm->hw->wiphy); 904 rtnl_unlock(); 905 906 if (ret) 907 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 908 909 /* no longer need this regardless of failure or not */ 910 mvm->fw_product_reset = false; 911 912 return ret; 913 } 914 915 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 916 { 917 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 918 int ret; 919 920 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 921 922 ret = iwl_mvm_mac_setup_register(mvm); 923 if (ret) 924 return ret; 925 926 mvm->hw_registered = true; 927 928 iwl_mvm_dbgfs_register(mvm); 929 930 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 931 mvm->mei_rfkill_blocked, 932 RFKILL_HARD_BLOCK_NOT_OWNER); 933 934 iwl_mvm_mei_set_sw_rfkill_state(mvm); 935 936 return 0; 937 } 938 939 struct iwl_mvm_frob_txf_data { 940 u8 *buf; 941 size_t buflen; 942 }; 943 944 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 945 struct ieee80211_vif *vif, 946 struct ieee80211_sta *sta, 947 struct ieee80211_key_conf *key, 948 void *data) 949 { 950 struct iwl_mvm_frob_txf_data *txf = data; 951 u8 keylen, match, matchend; 952 u8 *keydata; 953 size_t i; 954 955 switch (key->cipher) { 956 case WLAN_CIPHER_SUITE_CCMP: 957 keydata = key->key; 958 keylen = key->keylen; 959 break; 960 case WLAN_CIPHER_SUITE_WEP40: 961 case WLAN_CIPHER_SUITE_WEP104: 962 case WLAN_CIPHER_SUITE_TKIP: 963 /* 964 * WEP has short keys which might show up in the payload, 965 * and then you can deduce the key, so in this case just 966 * remove all FIFO data. 967 * For TKIP, we don't know the phase 2 keys here, so same. 968 */ 969 memset(txf->buf, 0xBB, txf->buflen); 970 return; 971 default: 972 return; 973 } 974 975 /* scan for key material and clear it out */ 976 match = 0; 977 for (i = 0; i < txf->buflen; i++) { 978 if (txf->buf[i] != keydata[match]) { 979 match = 0; 980 continue; 981 } 982 match++; 983 if (match == keylen) { 984 memset(txf->buf + i - keylen, 0xAA, keylen); 985 match = 0; 986 } 987 } 988 989 /* we're dealing with a FIFO, so check wrapped around data */ 990 matchend = match; 991 for (i = 0; match && i < keylen - match; i++) { 992 if (txf->buf[i] != keydata[match]) 993 break; 994 match++; 995 if (match == keylen) { 996 memset(txf->buf, 0xAA, i + 1); 997 memset(txf->buf + txf->buflen - matchend, 0xAA, 998 matchend); 999 break; 1000 } 1001 } 1002 } 1003 1004 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 1005 { 1006 struct iwl_mvm_frob_txf_data txf = { 1007 .buf = buf, 1008 .buflen = buflen, 1009 }; 1010 struct iwl_mvm *mvm = ctx; 1011 1012 /* embedded key material exists only on old API */ 1013 if (iwl_mvm_has_new_tx_api(mvm)) 1014 return; 1015 1016 rcu_read_lock(); 1017 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 1018 rcu_read_unlock(); 1019 } 1020 1021 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 1022 { 1023 /* we only use wide headers for commands */ 1024 struct iwl_cmd_header_wide *hdr = hcmd; 1025 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 1026 1027 if (len < sizeof(hdr)) 1028 return; 1029 1030 /* all the commands we care about are in LONG_GROUP */ 1031 if (hdr->group_id != LONG_GROUP) 1032 return; 1033 1034 switch (hdr->cmd) { 1035 case WEP_KEY: 1036 case WOWLAN_TKIP_PARAM: 1037 case WOWLAN_KEK_KCK_MATERIAL: 1038 case ADD_STA_KEY: 1039 /* 1040 * blank out everything here, easier than dealing 1041 * with the various versions of the command 1042 */ 1043 frob_end = INT_MAX; 1044 break; 1045 case MGMT_MCAST_KEY: 1046 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1047 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1048 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1049 1050 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1051 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1052 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1053 break; 1054 } 1055 1056 if (frob_start >= frob_end) 1057 return; 1058 1059 if (frob_end > len) 1060 frob_end = len; 1061 1062 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1063 } 1064 1065 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1066 { 1067 const struct iwl_dump_exclude *excl; 1068 struct iwl_mvm *mvm = ctx; 1069 int i; 1070 1071 switch (mvm->fwrt.cur_fw_img) { 1072 case IWL_UCODE_INIT: 1073 default: 1074 /* not relevant */ 1075 return; 1076 case IWL_UCODE_REGULAR: 1077 case IWL_UCODE_REGULAR_USNIFFER: 1078 excl = mvm->fw->dump_excl; 1079 break; 1080 case IWL_UCODE_WOWLAN: 1081 excl = mvm->fw->dump_excl_wowlan; 1082 break; 1083 } 1084 1085 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1086 sizeof(mvm->fw->dump_excl_wowlan)); 1087 1088 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1089 u32 start, end; 1090 1091 if (!excl[i].addr || !excl[i].size) 1092 continue; 1093 1094 start = excl[i].addr; 1095 end = start + excl[i].size; 1096 1097 if (end <= mem_addr || start >= mem_addr + buflen) 1098 continue; 1099 1100 if (start < mem_addr) 1101 start = mem_addr; 1102 1103 if (end > mem_addr + buflen) 1104 end = mem_addr + buflen; 1105 1106 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1107 } 1108 } 1109 1110 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1111 .frob_txf = iwl_mvm_frob_txf, 1112 .frob_hcmd = iwl_mvm_frob_hcmd, 1113 .frob_mem = iwl_mvm_frob_mem, 1114 }; 1115 1116 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1117 { 1118 struct iwl_mvm *mvm = priv; 1119 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1120 1121 /* 1122 * This is protected by the guarantee that this function will not be 1123 * called twice on two different threads 1124 */ 1125 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1126 1127 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1128 if (!curr_conn_info) 1129 return; 1130 1131 curr_conn_info->conn_info = *conn_info; 1132 1133 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1134 1135 if (prev_conn_info) 1136 kfree_rcu(prev_conn_info, rcu_head); 1137 } 1138 1139 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1140 bool csme_taking_ownership) 1141 { 1142 struct iwl_mvm *mvm = priv; 1143 1144 if (blocked && !csme_taking_ownership) 1145 return; 1146 1147 mvm->mei_rfkill_blocked = blocked; 1148 if (!mvm->hw_registered) 1149 return; 1150 1151 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1152 mvm->mei_rfkill_blocked, 1153 RFKILL_HARD_BLOCK_NOT_OWNER); 1154 } 1155 1156 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1157 { 1158 struct iwl_mvm *mvm = priv; 1159 1160 if (!mvm->hw_registered || !mvm->csme_vif) 1161 return; 1162 1163 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1164 } 1165 1166 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1167 { 1168 struct iwl_mvm *mvm = 1169 container_of(wk, struct iwl_mvm, sap_connected_wk); 1170 int ret; 1171 1172 ret = iwl_mvm_start_get_nvm(mvm); 1173 if (ret) 1174 goto out_free; 1175 1176 ret = iwl_mvm_start_post_nvm(mvm); 1177 if (ret) 1178 goto out_free; 1179 1180 return; 1181 1182 out_free: 1183 IWL_ERR(mvm, "Couldn't get started...\n"); 1184 iwl_mei_start_unregister(); 1185 iwl_mei_unregister_complete(); 1186 iwl_fw_flush_dumps(&mvm->fwrt); 1187 iwl_mvm_thermal_exit(mvm); 1188 iwl_fw_runtime_free(&mvm->fwrt); 1189 iwl_phy_db_free(mvm->phy_db); 1190 kfree(mvm->scan_cmd); 1191 iwl_trans_op_mode_leave(mvm->trans); 1192 kfree(mvm->nvm_data); 1193 kfree(mvm->mei_nvm_data); 1194 1195 ieee80211_free_hw(mvm->hw); 1196 } 1197 1198 static void iwl_mvm_mei_sap_connected(void *priv) 1199 { 1200 struct iwl_mvm *mvm = priv; 1201 1202 if (!mvm->hw_registered) 1203 schedule_work(&mvm->sap_connected_wk); 1204 } 1205 1206 static void iwl_mvm_mei_nic_stolen(void *priv) 1207 { 1208 struct iwl_mvm *mvm = priv; 1209 1210 rtnl_lock(); 1211 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1212 rtnl_unlock(); 1213 } 1214 1215 static const struct iwl_mei_ops mei_ops = { 1216 .me_conn_status = iwl_mvm_me_conn_status, 1217 .rfkill = iwl_mvm_mei_rfkill, 1218 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1219 .sap_connected = iwl_mvm_mei_sap_connected, 1220 .nic_stolen = iwl_mvm_mei_nic_stolen, 1221 }; 1222 1223 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac, 1224 struct ieee80211_vif *vif) 1225 { 1226 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1227 1228 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized) 1229 iwl_mvm_select_links(mvmvif->mvm, vif); 1230 } 1231 1232 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy, 1233 struct wiphy_work *wk) 1234 { 1235 struct iwl_mvm *mvm = 1236 container_of(wk, struct iwl_mvm, trig_link_selection_wk); 1237 1238 mutex_lock(&mvm->mutex); 1239 ieee80211_iterate_active_interfaces(mvm->hw, 1240 IEEE80211_IFACE_ITER_NORMAL, 1241 iwl_mvm_find_link_selection_vif, 1242 NULL); 1243 mutex_unlock(&mvm->mutex); 1244 } 1245 1246 static struct iwl_op_mode * 1247 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg, 1248 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1249 { 1250 struct ieee80211_hw *hw; 1251 struct iwl_op_mode *op_mode; 1252 struct iwl_mvm *mvm; 1253 static const u8 no_reclaim_cmds[] = { 1254 TX_CMD, 1255 }; 1256 u32 max_agg; 1257 size_t scan_size; 1258 u32 min_backoff; 1259 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1260 int ratecheck; 1261 int err; 1262 1263 /* 1264 * We use IWL_STATION_COUNT_MAX to check the validity of the station 1265 * index all over the driver - check that its value corresponds to the 1266 * array size. 1267 */ 1268 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1269 IWL_STATION_COUNT_MAX); 1270 1271 /******************************** 1272 * 1. Allocating and configuring HW data 1273 ********************************/ 1274 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1275 sizeof(struct iwl_mvm), 1276 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1277 &iwl_mvm_hw_ops); 1278 if (!hw) 1279 return ERR_PTR(-ENOMEM); 1280 1281 if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1282 max_agg = 512; 1283 else 1284 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1285 1286 hw->max_rx_aggregation_subframes = max_agg; 1287 1288 op_mode = hw->priv; 1289 1290 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1291 mvm->dev = trans->dev; 1292 mvm->trans = trans; 1293 mvm->cfg = cfg; 1294 mvm->fw = fw; 1295 mvm->hw = hw; 1296 1297 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1298 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1299 1300 iwl_mvm_get_bios_tables(mvm); 1301 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1302 iwl_uefi_get_step_table(trans); 1303 iwl_bios_setup_step(trans, &mvm->fwrt); 1304 1305 mvm->init_status = 0; 1306 1307 /* start with v1 rates */ 1308 mvm->fw_rates_ver = 1; 1309 1310 /* check for rates version 2 */ 1311 ratecheck = 1312 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 8) + 1313 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1314 TLC_MNG_UPDATE_NOTIF, 0) >= 3) + 1315 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 1316 REPLY_RX_MPDU_CMD, 0) >= 4) + 1317 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 6); 1318 if (ratecheck != 0 && ratecheck != 4) { 1319 IWL_ERR(mvm, "Firmware has inconsistent rates\n"); 1320 err = -EINVAL; 1321 goto out_free; 1322 } 1323 if (ratecheck == 4) 1324 mvm->fw_rates_ver = 2; 1325 1326 /* check for rates version 3 */ 1327 ratecheck = 1328 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 11) + 1329 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1330 TLC_MNG_UPDATE_NOTIF, 0) >= 4) + 1331 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 1332 REPLY_RX_MPDU_CMD, 0) >= 6) + 1333 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1334 RX_NO_DATA_NOTIF, 0) >= 4) + 1335 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 9); 1336 if (ratecheck != 0 && ratecheck != 5) { 1337 IWL_ERR(mvm, "Firmware has inconsistent rates\n"); 1338 err = -EINVAL; 1339 goto out_free; 1340 } 1341 if (ratecheck == 5) 1342 mvm->fw_rates_ver = 3; 1343 1344 trans->conf.rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1345 1346 if (iwl_mvm_has_new_rx_api(mvm)) { 1347 op_mode->ops = &iwl_mvm_ops_mq; 1348 trans->conf.rx_mpdu_cmd_hdr_size = 1349 (trans->mac_cfg->device_family >= 1350 IWL_DEVICE_FAMILY_AX210) ? 1351 sizeof(struct iwl_rx_mpdu_desc) : 1352 IWL_RX_DESC_SIZE_V1; 1353 } else { 1354 op_mode->ops = &iwl_mvm_ops; 1355 trans->conf.rx_mpdu_cmd_hdr_size = 1356 sizeof(struct iwl_rx_mpdu_res_start); 1357 1358 if (WARN_ON(trans->info.num_rxqs > 1)) { 1359 err = -EINVAL; 1360 goto out_free; 1361 } 1362 } 1363 1364 if (iwl_mvm_has_new_tx_api(mvm)) { 1365 /* 1366 * If we have the new TX/queue allocation API initialize them 1367 * all to invalid numbers. We'll rewrite the ones that we need 1368 * later, but that doesn't happen for all of them all of the 1369 * time (e.g. P2P Device is optional), and if a dynamic queue 1370 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1371 * iwl_mvm_is_static_queue() erroneously returns true, and we 1372 * might have things getting stuck. 1373 */ 1374 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1375 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1376 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1377 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1378 } else { 1379 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1380 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1381 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1382 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1383 } 1384 1385 mvm->sf_state = SF_UNINIT; 1386 if (iwl_mvm_has_unified_ucode(mvm)) 1387 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1388 else 1389 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1390 mvm->drop_bcn_ap_mode = true; 1391 1392 mutex_init(&mvm->mutex); 1393 spin_lock_init(&mvm->async_handlers_lock); 1394 INIT_LIST_HEAD(&mvm->time_event_list); 1395 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1396 INIT_LIST_HEAD(&mvm->async_handlers_list); 1397 spin_lock_init(&mvm->time_event_lock); 1398 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1399 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1400 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1401 1402 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1403 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1404 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1405 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1406 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1407 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1408 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1409 spin_lock_init(&mvm->add_stream_lock); 1410 1411 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1412 iwl_mvm_async_handlers_wiphy_wk); 1413 1414 wiphy_work_init(&mvm->trig_link_selection_wk, 1415 iwl_mvm_trig_link_selection); 1416 1417 init_waitqueue_head(&mvm->rx_sync_waitq); 1418 1419 mvm->queue_sync_state = 0; 1420 1421 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1422 1423 spin_lock_init(&mvm->tcm.lock); 1424 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1425 mvm->tcm.ts = jiffies; 1426 mvm->tcm.ll_ts = jiffies; 1427 mvm->tcm.uapsd_nonagg_ts = jiffies; 1428 1429 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1430 1431 mvm->cmd_ver.range_resp = 1432 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1433 TOF_RANGE_RESPONSE_NOTIF, 5); 1434 /* we only support up to version 9 */ 1435 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) { 1436 err = -EINVAL; 1437 goto out_free; 1438 } 1439 1440 /* 1441 * Populate the state variables that the transport layer needs 1442 * to know about. 1443 */ 1444 BUILD_BUG_ON(sizeof(no_reclaim_cmds) > 1445 sizeof(trans->conf.no_reclaim_cmds)); 1446 memcpy(trans->conf.no_reclaim_cmds, no_reclaim_cmds, 1447 sizeof(no_reclaim_cmds)); 1448 trans->conf.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1449 1450 trans->conf.rx_buf_size = iwl_amsdu_size_to_rxb_size(); 1451 1452 trans->conf.wide_cmd_header = true; 1453 1454 trans->conf.command_groups = iwl_mvm_groups; 1455 trans->conf.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1456 1457 trans->conf.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1458 trans->conf.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1459 trans->conf.scd_set_active = true; 1460 1461 trans->conf.cb_data_offs = offsetof(struct ieee80211_tx_info, 1462 driver_data[2]); 1463 1464 snprintf(mvm->hw->wiphy->fw_version, 1465 sizeof(mvm->hw->wiphy->fw_version), 1466 "%.31s", fw->fw_version); 1467 1468 trans->conf.fw_reset_handshake = 1469 fw_has_capa(&mvm->fw->ucode_capa, 1470 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1471 1472 trans->conf.queue_alloc_cmd_ver = 1473 iwl_fw_lookup_cmd_ver(mvm->fw, 1474 WIDE_ID(DATA_PATH_GROUP, 1475 SCD_QUEUE_CONFIG_CMD), 1476 0); 1477 mvm->sta_remove_requires_queue_remove = 1478 trans->conf.queue_alloc_cmd_ver > 0; 1479 1480 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1481 1482 /* Configure transport layer */ 1483 iwl_trans_op_mode_enter(mvm->trans, op_mode); 1484 1485 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1486 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1487 1488 /* set up notification wait support */ 1489 iwl_notification_wait_init(&mvm->notif_wait); 1490 1491 /* Init phy db */ 1492 mvm->phy_db = iwl_phy_db_init(trans); 1493 if (!mvm->phy_db) { 1494 IWL_ERR(mvm, "Cannot init phy_db\n"); 1495 err = -ENOMEM; 1496 goto out_free; 1497 } 1498 1499 if (iwlwifi_mod_params.nvm_file) 1500 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1501 else 1502 IWL_DEBUG_EEPROM(mvm->trans->dev, 1503 "working without external nvm file\n"); 1504 1505 scan_size = iwl_mvm_scan_size(mvm); 1506 1507 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1508 if (!mvm->scan_cmd) { 1509 err = -ENOMEM; 1510 goto out_free; 1511 } 1512 mvm->scan_cmd_size = scan_size; 1513 1514 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1515 mvm->aux_sta.sta_id = IWL_INVALID_STA; 1516 mvm->snif_sta.sta_id = IWL_INVALID_STA; 1517 1518 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1519 mvm->last_ebs_successful = true; 1520 1521 min_backoff = iwl_mvm_min_backoff(mvm); 1522 iwl_mvm_thermal_initialize(mvm, min_backoff); 1523 1524 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1525 memset(&mvm->rx_stats_v3, 0, 1526 sizeof(struct mvm_statistics_rx_v3)); 1527 else 1528 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1529 1530 iwl_mvm_ftm_initiator_smooth_config(mvm); 1531 1532 iwl_mvm_init_time_sync(&mvm->time_sync); 1533 1534 mvm->debugfs_dir = dbgfs_dir; 1535 1536 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1537 1538 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1539 1540 err = iwl_mvm_start_get_nvm(mvm); 1541 if (err) { 1542 /* 1543 * Getting NVM failed while CSME is the owner, but we are 1544 * registered to MEI, we'll get the NVM later when it'll be 1545 * possible to get it from CSME. 1546 */ 1547 if (trans->csme_own && mvm->mei_registered) 1548 return op_mode; 1549 1550 goto out_thermal_exit; 1551 } 1552 1553 1554 err = iwl_mvm_start_post_nvm(mvm); 1555 if (err) 1556 goto out_thermal_exit; 1557 1558 return op_mode; 1559 1560 out_thermal_exit: 1561 iwl_mvm_thermal_exit(mvm); 1562 if (mvm->mei_registered) { 1563 iwl_mei_start_unregister(); 1564 iwl_mei_unregister_complete(); 1565 } 1566 out_free: 1567 iwl_fw_flush_dumps(&mvm->fwrt); 1568 iwl_fw_runtime_free(&mvm->fwrt); 1569 1570 iwl_phy_db_free(mvm->phy_db); 1571 kfree(mvm->scan_cmd); 1572 iwl_trans_op_mode_leave(trans); 1573 1574 ieee80211_free_hw(mvm->hw); 1575 return ERR_PTR(err); 1576 } 1577 1578 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1579 { 1580 lockdep_assert_held(&mvm->mutex); 1581 1582 iwl_fw_cancel_timestamp(&mvm->fwrt); 1583 1584 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1585 1586 iwl_mvm_pause_tcm(mvm, false); 1587 1588 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1589 iwl_trans_stop_device(mvm->trans); 1590 iwl_free_fw_paging(&mvm->fwrt); 1591 iwl_fw_dump_conf_clear(&mvm->fwrt); 1592 iwl_mvm_mei_device_state(mvm, false); 1593 } 1594 1595 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1596 { 1597 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1598 int i; 1599 1600 if (mvm->mei_registered) { 1601 rtnl_lock(); 1602 iwl_mei_set_netdev(NULL); 1603 rtnl_unlock(); 1604 iwl_mei_start_unregister(); 1605 } 1606 1607 /* 1608 * After we unregister from mei, the worker can't be scheduled 1609 * anymore. 1610 */ 1611 cancel_work_sync(&mvm->sap_connected_wk); 1612 1613 iwl_mvm_leds_exit(mvm); 1614 1615 iwl_mvm_thermal_exit(mvm); 1616 1617 /* 1618 * If we couldn't get ownership on the device and we couldn't 1619 * get the NVM from CSME, we haven't registered to mac80211. 1620 * In that case, we didn't fail op_mode_start, because we are 1621 * waiting for CSME to allow us to get the NVM to register to 1622 * mac80211. If that didn't happen, we haven't registered to 1623 * mac80211, hence the if below. 1624 */ 1625 if (mvm->hw_registered) 1626 ieee80211_unregister_hw(mvm->hw); 1627 1628 kfree(mvm->scan_cmd); 1629 kfree(mvm->mcast_filter_cmd); 1630 mvm->mcast_filter_cmd = NULL; 1631 1632 kfree(mvm->error_recovery_buf); 1633 mvm->error_recovery_buf = NULL; 1634 1635 iwl_mvm_ptp_remove(mvm); 1636 1637 iwl_trans_op_mode_leave(mvm->trans); 1638 1639 iwl_phy_db_free(mvm->phy_db); 1640 mvm->phy_db = NULL; 1641 1642 kfree(mvm->nvm_data); 1643 kfree(mvm->mei_nvm_data); 1644 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1645 kfree(mvm->temp_nvm_data); 1646 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1647 kfree(mvm->nvm_sections[i].data); 1648 kfree(mvm->acs_survey); 1649 1650 cancel_delayed_work_sync(&mvm->tcm.work); 1651 1652 iwl_fw_runtime_free(&mvm->fwrt); 1653 mutex_destroy(&mvm->mutex); 1654 1655 if (mvm->mei_registered) 1656 iwl_mei_unregister_complete(); 1657 1658 ieee80211_free_hw(mvm->hw); 1659 } 1660 1661 struct iwl_async_handler_entry { 1662 struct list_head list; 1663 struct iwl_rx_cmd_buffer rxb; 1664 enum iwl_rx_handler_context context; 1665 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1666 }; 1667 1668 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1669 { 1670 struct iwl_async_handler_entry *entry, *tmp; 1671 1672 spin_lock_bh(&mvm->async_handlers_lock); 1673 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1674 iwl_free_rxb(&entry->rxb); 1675 list_del(&entry->list); 1676 kfree(entry); 1677 } 1678 spin_unlock_bh(&mvm->async_handlers_lock); 1679 } 1680 1681 /* 1682 * This function receives a bitmap of rx async handler contexts 1683 * (&iwl_rx_handler_context) to handle, and runs only them 1684 */ 1685 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1686 u8 contexts) 1687 { 1688 struct iwl_async_handler_entry *entry, *tmp; 1689 LIST_HEAD(local_list); 1690 1691 /* 1692 * Sync with Rx path with a lock. Remove all the entries of the 1693 * wanted contexts from this list, add them to a local one (lock free), 1694 * and then handle them. 1695 */ 1696 spin_lock_bh(&mvm->async_handlers_lock); 1697 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1698 if (!(BIT(entry->context) & contexts)) 1699 continue; 1700 list_del(&entry->list); 1701 list_add_tail(&entry->list, &local_list); 1702 } 1703 spin_unlock_bh(&mvm->async_handlers_lock); 1704 1705 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1706 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1707 mutex_lock(&mvm->mutex); 1708 entry->fn(mvm, &entry->rxb); 1709 iwl_free_rxb(&entry->rxb); 1710 list_del(&entry->list); 1711 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1712 mutex_unlock(&mvm->mutex); 1713 kfree(entry); 1714 } 1715 } 1716 1717 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1718 struct wiphy_work *wk) 1719 { 1720 struct iwl_mvm *mvm = 1721 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1722 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1723 1724 iwl_mvm_async_handlers_by_context(mvm, contexts); 1725 } 1726 1727 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1728 { 1729 struct iwl_mvm *mvm = 1730 container_of(wk, struct iwl_mvm, async_handlers_wk); 1731 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1732 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1733 1734 iwl_mvm_async_handlers_by_context(mvm, contexts); 1735 } 1736 1737 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1738 struct iwl_rx_packet *pkt) 1739 { 1740 struct iwl_fw_dbg_trigger_tlv *trig; 1741 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1742 int i; 1743 1744 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1745 FW_DBG_TRIGGER_FW_NOTIF); 1746 if (!trig) 1747 return; 1748 1749 cmds_trig = (void *)trig->data; 1750 1751 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1752 /* don't collect on CMD 0 */ 1753 if (!cmds_trig->cmds[i].cmd_id) 1754 break; 1755 1756 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1757 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1758 continue; 1759 1760 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1761 "CMD 0x%02x.%02x received", 1762 pkt->hdr.group_id, pkt->hdr.cmd); 1763 break; 1764 } 1765 } 1766 1767 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1768 struct iwl_rx_cmd_buffer *rxb, 1769 struct iwl_rx_packet *pkt) 1770 { 1771 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1772 int i; 1773 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1774 1775 iwl_dbg_tlv_time_point(&mvm->fwrt, 1776 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1777 iwl_mvm_rx_check_trigger(mvm, pkt); 1778 1779 /* 1780 * Do the notification wait before RX handlers so 1781 * even if the RX handler consumes the RXB we have 1782 * access to it in the notification wait entry. 1783 */ 1784 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1785 1786 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1787 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1788 struct iwl_async_handler_entry *entry; 1789 1790 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1791 continue; 1792 1793 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1794 "unexpected notification 0x%04x size %d, need %d\n", 1795 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1796 return; 1797 1798 if (rx_h->context == RX_HANDLER_SYNC) { 1799 rx_h->fn(mvm, rxb); 1800 return; 1801 } 1802 1803 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1804 /* we can't do much... */ 1805 if (!entry) 1806 return; 1807 1808 entry->rxb._page = rxb_steal_page(rxb); 1809 entry->rxb._offset = rxb->_offset; 1810 entry->rxb._rx_page_order = rxb->_rx_page_order; 1811 entry->fn = rx_h->fn; 1812 entry->context = rx_h->context; 1813 spin_lock(&mvm->async_handlers_lock); 1814 list_add_tail(&entry->list, &mvm->async_handlers_list); 1815 spin_unlock(&mvm->async_handlers_lock); 1816 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1817 wiphy_work_queue(mvm->hw->wiphy, 1818 &mvm->async_handlers_wiphy_wk); 1819 else 1820 schedule_work(&mvm->async_handlers_wk); 1821 break; 1822 } 1823 } 1824 1825 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1826 struct napi_struct *napi, 1827 struct iwl_rx_cmd_buffer *rxb) 1828 { 1829 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1830 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1831 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1832 1833 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1834 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1835 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1836 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1837 else 1838 iwl_mvm_rx_common(mvm, rxb, pkt); 1839 } 1840 1841 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1842 struct napi_struct *napi, 1843 struct iwl_rx_cmd_buffer *rxb) 1844 { 1845 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1846 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1847 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1848 1849 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1850 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1851 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1852 RX_QUEUES_NOTIFICATION))) 1853 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1854 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1855 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1856 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1857 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1858 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1859 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1860 else 1861 iwl_mvm_rx_common(mvm, rxb, pkt); 1862 } 1863 1864 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1865 { 1866 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1867 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1868 } 1869 1870 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1871 int hw_queue, bool start) 1872 { 1873 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1874 struct ieee80211_sta *sta; 1875 struct ieee80211_txq *txq; 1876 struct iwl_mvm_txq *mvmtxq; 1877 int i; 1878 unsigned long tid_bitmap; 1879 struct iwl_mvm_sta *mvmsta; 1880 u8 sta_id; 1881 1882 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1883 mvm->tvqm_info[hw_queue].sta_id : 1884 mvm->queue_info[hw_queue].ra_sta_id; 1885 1886 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1887 return; 1888 1889 rcu_read_lock(); 1890 1891 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1892 if (IS_ERR_OR_NULL(sta)) 1893 goto out; 1894 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1895 1896 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1897 if (!start) 1898 ieee80211_stop_queues(mvm->hw); 1899 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1900 ieee80211_wake_queues(mvm->hw); 1901 1902 goto out; 1903 } 1904 1905 if (iwl_mvm_has_new_tx_api(mvm)) { 1906 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1907 1908 tid_bitmap = BIT(tid); 1909 } else { 1910 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1911 } 1912 1913 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1914 int tid = i; 1915 1916 if (tid == IWL_MAX_TID_COUNT) 1917 tid = IEEE80211_NUM_TIDS; 1918 1919 txq = sta->txq[tid]; 1920 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1921 if (start) 1922 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1923 else 1924 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1925 1926 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1927 local_bh_disable(); 1928 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1929 local_bh_enable(); 1930 } 1931 } 1932 1933 out: 1934 rcu_read_unlock(); 1935 } 1936 1937 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1938 { 1939 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1940 } 1941 1942 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1943 { 1944 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1945 } 1946 1947 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1948 { 1949 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1950 iwl_mvm_is_radio_killed(mvm)); 1951 } 1952 1953 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1954 { 1955 if (state) 1956 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1957 else 1958 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1959 1960 iwl_mvm_set_rfkill_state(mvm); 1961 } 1962 1963 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1964 { 1965 return rcu_dereference_protected(mvm->csme_conn_info, 1966 lockdep_is_held(&mvm->mutex)); 1967 } 1968 1969 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1970 { 1971 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1972 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1973 bool unified = iwl_mvm_has_unified_ucode(mvm); 1974 1975 if (state) 1976 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1977 else 1978 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1979 1980 iwl_mvm_set_rfkill_state(mvm); 1981 1982 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1983 if (rfkill_safe_init_done) 1984 iwl_abort_notification_waits(&mvm->notif_wait); 1985 1986 /* 1987 * Don't ask the transport to stop the firmware. We'll do it 1988 * after cfg80211 takes us down. 1989 */ 1990 if (unified) 1991 return false; 1992 1993 /* 1994 * Stop the device if we run OPERATIONAL firmware or if we are in the 1995 * middle of the calibrations. 1996 */ 1997 return state && rfkill_safe_init_done; 1998 } 1999 2000 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 2001 { 2002 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2003 struct ieee80211_tx_info *info; 2004 2005 info = IEEE80211_SKB_CB(skb); 2006 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 2007 ieee80211_free_txskb(mvm->hw, skb); 2008 } 2009 2010 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, 2011 enum iwl_fw_error_type type) 2012 { 2013 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2014 2015 iwl_abort_notification_waits(&mvm->notif_wait); 2016 iwl_dbg_tlv_del_timers(mvm->trans); 2017 2018 if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL) 2019 IWL_ERR(mvm, "Command queue full!\n"); 2020 else if (!iwl_trans_is_dead(mvm->trans) && 2021 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2022 &mvm->status)) 2023 iwl_mvm_dump_nic_error_log(mvm); 2024 2025 /* 2026 * This should be first thing before trying to collect any 2027 * data to avoid endless loops if any HW error happens while 2028 * collecting debug data. 2029 * It might not actually be true that we'll restart, but the 2030 * setting of the bit doesn't matter if we're going to be 2031 * unbound either. 2032 */ 2033 if (type != IWL_ERR_TYPE_RESET_HS_TIMEOUT) 2034 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 2035 } 2036 2037 static void iwl_mvm_dump_error(struct iwl_op_mode *op_mode, 2038 struct iwl_fw_error_dump_mode *mode) 2039 { 2040 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2041 2042 /* if we come in from opmode we have the mutex held */ 2043 if (mode->context == IWL_ERR_CONTEXT_FROM_OPMODE) { 2044 lockdep_assert_held(&mvm->mutex); 2045 iwl_fw_error_collect(&mvm->fwrt); 2046 } else { 2047 mutex_lock(&mvm->mutex); 2048 if (mode->context != IWL_ERR_CONTEXT_ABORT) 2049 iwl_fw_error_collect(&mvm->fwrt); 2050 mutex_unlock(&mvm->mutex); 2051 } 2052 } 2053 2054 static bool iwl_mvm_sw_reset(struct iwl_op_mode *op_mode, 2055 enum iwl_fw_error_type type) 2056 { 2057 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2058 2059 /* 2060 * If the firmware crashes while we're already considering it 2061 * to be dead then don't ask for a restart, that cannot do 2062 * anything useful anyway. 2063 */ 2064 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2065 return false; 2066 2067 /* 2068 * This is a bit racy, but worst case we tell mac80211 about 2069 * a stopped/aborted scan when that was already done which 2070 * is not a problem. It is necessary to abort any os scan 2071 * here because mac80211 requires having the scan cleared 2072 * before restarting. 2073 * We'll reset the scan_status to NONE in restart cleanup in 2074 * the next start() call from mac80211. If restart isn't called 2075 * (no fw restart) scan status will stay busy. 2076 */ 2077 iwl_mvm_report_scan_aborted(mvm); 2078 2079 /* 2080 * If INIT fw asserted, it will likely fail again. 2081 * If WoWLAN fw asserted, don't restart either, mac80211 2082 * can't recover this since we're already half suspended. 2083 */ 2084 if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered) { 2085 if (mvm->fw->ucode_capa.error_log_size) { 2086 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2087 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2088 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2089 2090 if (recover_buf) { 2091 mvm->error_recovery_buf = recover_buf; 2092 iwl_trans_read_mem_bytes(mvm->trans, 2093 src_addr, 2094 recover_buf, 2095 src_size); 2096 } 2097 } 2098 2099 if (mvm->fwrt.trans->dbg.restart_required) { 2100 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2101 mvm->fwrt.trans->dbg.restart_required = false; 2102 ieee80211_restart_hw(mvm->hw); 2103 return true; 2104 } else if (mvm->trans->mac_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2105 ieee80211_restart_hw(mvm->hw); 2106 return true; 2107 } 2108 } 2109 2110 return false; 2111 } 2112 2113 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2114 enum iwl_fw_ini_time_point tp_id, 2115 union iwl_dbg_tlv_tp_data *tp_data) 2116 { 2117 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2118 2119 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2120 } 2121 2122 static void iwl_mvm_dump(struct iwl_op_mode *op_mode) 2123 { 2124 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2125 struct iwl_fw_runtime *fwrt = &mvm->fwrt; 2126 2127 if (!iwl_trans_fw_running(fwrt->trans)) 2128 return; 2129 2130 iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, NULL); 2131 } 2132 2133 #ifdef CONFIG_PM_SLEEP 2134 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2135 { 2136 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2137 2138 mutex_lock(&mvm->mutex); 2139 clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); 2140 iwl_mvm_stop_device(mvm); 2141 mvm->fast_resume = false; 2142 mutex_unlock(&mvm->mutex); 2143 } 2144 #else 2145 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2146 {} 2147 #endif 2148 2149 #define IWL_MVM_COMMON_OPS \ 2150 /* these could be differentiated */ \ 2151 .queue_full = iwl_mvm_stop_sw_queue, \ 2152 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2153 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2154 .free_skb = iwl_mvm_free_skb, \ 2155 .nic_error = iwl_mvm_nic_error, \ 2156 .dump_error = iwl_mvm_dump_error, \ 2157 .sw_reset = iwl_mvm_sw_reset, \ 2158 .nic_config = iwl_mvm_nic_config, \ 2159 /* as we only register one, these MUST be common! */ \ 2160 .start = iwl_op_mode_mvm_start, \ 2161 .stop = iwl_op_mode_mvm_stop, \ 2162 .time_point = iwl_op_mode_mvm_time_point, \ 2163 .device_powered_off = iwl_op_mode_mvm_device_powered_off 2164 2165 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2166 IWL_MVM_COMMON_OPS, 2167 .rx = iwl_mvm_rx, 2168 }; 2169 2170 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2171 struct napi_struct *napi, 2172 struct iwl_rx_cmd_buffer *rxb, 2173 unsigned int queue) 2174 { 2175 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2176 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2177 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2178 2179 if (unlikely(queue >= mvm->trans->info.num_rxqs)) 2180 return; 2181 2182 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2183 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2184 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2185 RX_QUEUES_NOTIFICATION))) 2186 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2187 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2188 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2189 } 2190 2191 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2192 IWL_MVM_COMMON_OPS, 2193 .rx = iwl_mvm_rx_mq, 2194 .rx_rss = iwl_mvm_rx_mq_rss, 2195 .dump = iwl_mvm_dump, 2196 }; 2197