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 }; 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 67 return ret; 68 } 69 module_init(iwl_mvm_init); 70 71 static void __exit iwl_mvm_exit(void) 72 { 73 iwl_opmode_deregister("iwlmvm"); 74 iwl_mvm_rate_control_unregister(); 75 } 76 module_exit(iwl_mvm_exit); 77 78 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 79 { 80 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 81 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 82 u32 reg_val; 83 u32 phy_config = iwl_mvm_get_phy_config(mvm); 84 85 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 86 FW_PHY_CFG_RADIO_TYPE_POS; 87 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 88 FW_PHY_CFG_RADIO_STEP_POS; 89 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 90 FW_PHY_CFG_RADIO_DASH_POS; 91 92 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 93 radio_cfg_step, radio_cfg_dash); 94 95 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 96 return; 97 98 /* SKU control */ 99 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->hw_rev); 100 101 /* radio configuration */ 102 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 103 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 104 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 105 106 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 107 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 108 109 /* 110 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 111 * sampling, and shouldn't be set to any non-zero value. 112 * The same is supposed to be true of the other HW, but unsetting 113 * them (such as the 7260) causes automatic tests to fail on seemingly 114 * unrelated errors. Need to further investigate this, but for now 115 * we'll separate cases. 116 */ 117 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000) 118 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 119 120 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 121 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 122 123 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 124 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 125 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 126 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 127 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 128 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 129 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 130 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 131 reg_val); 132 133 /* 134 * W/A : NIC is stuck in a reset state after Early PCIe power off 135 * (PCIe power is lost before PERST# is asserted), causing ME FW 136 * to lose ownership and not being able to obtain it back. 137 */ 138 if (!mvm->trans->cfg->apmg_not_supported) 139 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 140 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 141 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 142 } 143 144 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm, 145 struct iwl_rx_cmd_buffer *rxb) 146 { 147 struct iwl_rx_packet *pkt = rxb_addr(rxb); 148 struct iwl_mvm_esr_mode_notif *notif = (void *)pkt->data; 149 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 150 151 /* FW recommendations is only for entering EMLSR */ 152 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active) 153 return; 154 155 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER) 156 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW); 157 else 158 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 159 iwl_mvm_get_primary_link(vif)); 160 } 161 162 static void iwl_mvm_rx_esr_trans_fail_notif(struct iwl_mvm *mvm, 163 struct iwl_rx_cmd_buffer *rxb) 164 { 165 struct iwl_rx_packet *pkt = rxb_addr(rxb); 166 struct iwl_esr_trans_fail_notif *notif = (void *)pkt->data; 167 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 168 u8 fw_link_id = le32_to_cpu(notif->link_id); 169 struct ieee80211_bss_conf *bss_conf; 170 171 if (IS_ERR_OR_NULL(vif)) 172 return; 173 174 IWL_DEBUG_INFO(mvm, "Failed to %s eSR on link %d, reason %d\n", 175 le32_to_cpu(notif->activation) ? "enter" : "exit", 176 le32_to_cpu(notif->link_id), 177 le32_to_cpu(notif->err_code)); 178 179 /* we couldn't go back to single link, disconnect */ 180 if (!le32_to_cpu(notif->activation)) { 181 iwl_mvm_connection_loss(mvm, vif, "emlsr exit failed"); 182 return; 183 } 184 185 bss_conf = iwl_mvm_rcu_fw_link_id_to_link_conf(mvm, fw_link_id, false); 186 if (IWL_FW_CHECK(mvm, !bss_conf, 187 "FW reported failure to activate EMLSR on a non-existing link: %d\n", 188 fw_link_id)) 189 return; 190 191 /* 192 * We failed to activate the second link and enter EMLSR, we need to go 193 * back to single link. 194 */ 195 iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_FAIL_ENTRY, 196 bss_conf->link_id); 197 } 198 199 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 200 struct iwl_rx_cmd_buffer *rxb) 201 { 202 struct iwl_rx_packet *pkt = rxb_addr(rxb); 203 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 204 struct ieee80211_supported_band *sband; 205 const struct ieee80211_sta_he_cap *he_cap; 206 struct ieee80211_vif *vif; 207 208 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 209 return; 210 211 vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id); 212 if (!vif || vif->type != NL80211_IFTYPE_STATION) 213 return; 214 215 if (!vif->bss_conf.chanreq.oper.chan || 216 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 217 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 218 return; 219 220 if (!vif->cfg.assoc) 221 return; 222 223 /* this shouldn't happen *again*, ignore it */ 224 if (mvm->cca_40mhz_workaround) 225 return; 226 227 /* 228 * We'll decrement this on disconnect - so set to 2 since we'll 229 * still have to disconnect from the current AP first. 230 */ 231 mvm->cca_40mhz_workaround = 2; 232 233 /* 234 * This capability manipulation isn't really ideal, but it's the 235 * easiest choice - otherwise we'd have to do some major changes 236 * in mac80211 to support this, which isn't worth it. This does 237 * mean that userspace may have outdated information, but that's 238 * actually not an issue at all. 239 */ 240 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 241 242 WARN_ON(!sband->ht_cap.ht_supported); 243 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 244 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 245 246 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 247 248 if (he_cap) { 249 /* we know that ours is writable */ 250 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 251 252 WARN_ON(!he->has_he); 253 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 254 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 255 he->he_cap_elem.phy_cap_info[0] &= 256 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 257 } 258 259 ieee80211_disconnect(vif, true); 260 } 261 262 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 263 struct ieee80211_bss_conf *link_conf) 264 { 265 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 266 struct iwl_mvm *mvm = mvmvif->mvm; 267 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 268 269 if (!link_conf) 270 return; 271 272 if (mvm->fw_static_smps_request && 273 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 274 link_conf->he_support) 275 mode = IEEE80211_SMPS_STATIC; 276 277 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 278 link_conf->link_id); 279 } 280 281 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 282 struct ieee80211_vif *vif) 283 { 284 struct ieee80211_bss_conf *link_conf; 285 unsigned int link_id; 286 287 rcu_read_lock(); 288 289 for_each_vif_active_link(vif, link_conf, link_id) 290 iwl_mvm_update_link_smps(vif, link_conf); 291 292 rcu_read_unlock(); 293 } 294 295 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 296 struct iwl_rx_cmd_buffer *rxb) 297 { 298 struct iwl_rx_packet *pkt = rxb_addr(rxb); 299 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 300 301 /* firmware is expected to handle that in RLC offload mode */ 302 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm), 303 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n", 304 req->event)) 305 return; 306 307 /* 308 * We could pass it to the iterator data, but also need to remember 309 * it for new interfaces that are added while in this state. 310 */ 311 mvm->fw_static_smps_request = 312 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 313 ieee80211_iterate_interfaces(mvm->hw, 314 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 315 iwl_mvm_intf_dual_chain_req, NULL); 316 } 317 318 /** 319 * enum iwl_rx_handler_context: context for Rx handler 320 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 321 * which can't acquire mvm->mutex. 322 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 323 * (and only in this case!), it should be set as ASYNC. In that case, 324 * it will be called from a worker with mvm->mutex held. 325 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 326 * mutex itself, it will be called from a worker without mvm->mutex held. 327 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 328 * and mvm->mutex. Will be handled with the wiphy_work queue infra 329 * instead of regular work queue. 330 */ 331 enum iwl_rx_handler_context { 332 RX_HANDLER_SYNC, 333 RX_HANDLER_ASYNC_LOCKED, 334 RX_HANDLER_ASYNC_UNLOCKED, 335 RX_HANDLER_ASYNC_LOCKED_WIPHY, 336 }; 337 338 /** 339 * struct iwl_rx_handlers: handler for FW notification 340 * @cmd_id: command id 341 * @min_size: minimum size to expect for the notification 342 * @context: see &iwl_rx_handler_context 343 * @fn: the function is called when notification is received 344 */ 345 struct iwl_rx_handlers { 346 u16 cmd_id, min_size; 347 enum iwl_rx_handler_context context; 348 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 349 }; 350 351 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 352 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 353 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 354 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 355 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 356 { .cmd_id = _cmd_id, .fn = _fn, \ 357 .context = _context, .min_size = sizeof(_struct), } 358 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 359 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 360 .context = _context, .min_size = sizeof(_struct), } 361 362 /* 363 * Handlers for fw notifications 364 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 365 * This list should be in order of frequency for performance purposes. 366 * 367 * The handler can be one from three contexts, see &iwl_rx_handler_context 368 */ 369 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 370 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 371 struct iwl_tx_resp), 372 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 373 struct iwl_mvm_ba_notif), 374 375 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 376 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 377 struct iwl_tlc_update_notif), 378 379 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif, 380 RX_HANDLER_ASYNC_LOCKED_WIPHY, 381 struct iwl_bt_coex_prof_old_notif), 382 RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif, 383 RX_HANDLER_ASYNC_LOCKED_WIPHY, 384 struct iwl_bt_coex_profile_notif), 385 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 386 RX_HANDLER_ASYNC_LOCKED), 387 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 388 RX_HANDLER_ASYNC_LOCKED), 389 390 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 391 iwl_mvm_handle_rx_system_oper_stats, 392 RX_HANDLER_ASYNC_LOCKED_WIPHY, 393 struct iwl_system_statistics_notif_oper), 394 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 395 iwl_mvm_handle_rx_system_oper_part1_stats, 396 RX_HANDLER_ASYNC_LOCKED, 397 struct iwl_system_statistics_part1_notif_oper), 398 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 399 iwl_mvm_handle_rx_system_end_stats_notif, 400 RX_HANDLER_ASYNC_LOCKED, 401 struct iwl_system_statistics_end_notif), 402 403 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 404 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 405 struct iwl_ba_window_status_notif), 406 407 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 408 RX_HANDLER_SYNC, struct iwl_time_event_notif), 409 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 410 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 411 struct iwl_mvm_session_prot_notif), 412 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 413 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 414 415 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 416 struct iwl_mvm_eosp_notification), 417 418 RX_HANDLER(SCAN_ITERATION_COMPLETE, 419 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 420 struct iwl_lmac_scan_complete_notif), 421 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 422 iwl_mvm_rx_lmac_scan_complete_notif, 423 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 424 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 425 iwl_mvm_rx_scan_match_found, 426 RX_HANDLER_SYNC), 427 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 428 RX_HANDLER_ASYNC_LOCKED, 429 struct iwl_umac_scan_complete), 430 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 431 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 432 struct iwl_umac_scan_iter_complete_notif), 433 434 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, 435 iwl_mvm_rx_missed_beacons_notif_legacy, 436 RX_HANDLER_ASYNC_LOCKED_WIPHY, 437 struct iwl_missed_beacons_notif_v4), 438 439 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF, 440 iwl_mvm_rx_missed_beacons_notif, 441 RX_HANDLER_ASYNC_LOCKED_WIPHY, 442 struct iwl_missed_beacons_notif), 443 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 444 struct iwl_error_resp), 445 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 446 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 447 struct iwl_uapsd_misbehaving_ap_notif), 448 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 449 RX_HANDLER_ASYNC_LOCKED), 450 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 451 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 452 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 453 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 454 struct ct_kill_notif), 455 456 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 457 RX_HANDLER_ASYNC_LOCKED, 458 struct iwl_tdls_channel_switch_notif), 459 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 460 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 461 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 462 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 463 struct iwl_ftm_responder_stats), 464 465 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 466 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 467 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 468 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 469 470 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 471 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 472 struct iwl_mfu_assert_dump_notif), 473 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 474 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 475 struct iwl_stored_beacon_notif_v2), 476 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 477 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 478 struct iwl_mu_group_mgmt_notif), 479 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 480 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 481 struct iwl_mvm_pm_state_notification), 482 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 483 iwl_mvm_probe_resp_data_notif, 484 RX_HANDLER_ASYNC_LOCKED, 485 struct iwl_probe_resp_data_notif), 486 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 487 iwl_mvm_channel_switch_start_notif, 488 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 489 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 490 iwl_mvm_channel_switch_error_notif, 491 RX_HANDLER_ASYNC_UNLOCKED, 492 struct iwl_channel_switch_error_notif), 493 494 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF, 495 iwl_mvm_rx_esr_mode_notif, 496 RX_HANDLER_ASYNC_LOCKED_WIPHY, 497 struct iwl_mvm_esr_mode_notif), 498 499 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 500 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 501 struct iwl_datapath_monitor_notif), 502 503 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 504 iwl_mvm_rx_thermal_dual_chain_req, 505 RX_HANDLER_ASYNC_LOCKED, 506 struct iwl_thermal_dual_chain_request), 507 508 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 509 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 510 struct iwl_rfi_deactivate_notif), 511 512 RX_HANDLER_GRP(LEGACY_GROUP, 513 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 514 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 515 struct iwl_time_msmt_notify), 516 RX_HANDLER_GRP(LEGACY_GROUP, 517 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 518 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 519 struct iwl_time_msmt_cfm_notify), 520 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 521 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED, 522 struct iwl_roc_notif), 523 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 524 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 525 struct iwl_umac_scan_channel_survey_notif), 526 RX_HANDLER_GRP(MAC_CONF_GROUP, EMLSR_TRANS_FAIL_NOTIF, 527 iwl_mvm_rx_esr_trans_fail_notif, 528 RX_HANDLER_ASYNC_LOCKED_WIPHY, 529 struct iwl_esr_trans_fail_notif), 530 }; 531 #undef RX_HANDLER 532 #undef RX_HANDLER_GRP 533 534 /* Please keep this array *SORTED* by hex value. 535 * Access is done through binary search 536 */ 537 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 538 HCMD_NAME(UCODE_ALIVE_NTFY), 539 HCMD_NAME(REPLY_ERROR), 540 HCMD_NAME(ECHO_CMD), 541 HCMD_NAME(INIT_COMPLETE_NOTIF), 542 HCMD_NAME(PHY_CONTEXT_CMD), 543 HCMD_NAME(DBG_CFG), 544 HCMD_NAME(SCAN_CFG_CMD), 545 HCMD_NAME(SCAN_REQ_UMAC), 546 HCMD_NAME(SCAN_ABORT_UMAC), 547 HCMD_NAME(SCAN_COMPLETE_UMAC), 548 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 549 HCMD_NAME(ADD_STA_KEY), 550 HCMD_NAME(ADD_STA), 551 HCMD_NAME(REMOVE_STA), 552 HCMD_NAME(TX_CMD), 553 HCMD_NAME(SCD_QUEUE_CFG), 554 HCMD_NAME(TXPATH_FLUSH), 555 HCMD_NAME(MGMT_MCAST_KEY), 556 HCMD_NAME(WEP_KEY), 557 HCMD_NAME(SHARED_MEM_CFG), 558 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 559 HCMD_NAME(MAC_CONTEXT_CMD), 560 HCMD_NAME(TIME_EVENT_CMD), 561 HCMD_NAME(TIME_EVENT_NOTIFICATION), 562 HCMD_NAME(BINDING_CONTEXT_CMD), 563 HCMD_NAME(TIME_QUOTA_CMD), 564 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 565 HCMD_NAME(LEDS_CMD), 566 HCMD_NAME(LQ_CMD), 567 HCMD_NAME(FW_PAGING_BLOCK_CMD), 568 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 569 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 570 HCMD_NAME(HOT_SPOT_CMD), 571 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 572 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 573 HCMD_NAME(BT_COEX_CI), 574 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 575 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 576 HCMD_NAME(PHY_CONFIGURATION_CMD), 577 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 578 HCMD_NAME(PHY_DB_CMD), 579 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 580 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 581 HCMD_NAME(POWER_TABLE_CMD), 582 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 583 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 584 HCMD_NAME(NVM_ACCESS_CMD), 585 HCMD_NAME(BEACON_NOTIFICATION), 586 HCMD_NAME(BEACON_TEMPLATE_CMD), 587 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 588 HCMD_NAME(BT_CONFIG), 589 HCMD_NAME(STATISTICS_CMD), 590 HCMD_NAME(STATISTICS_NOTIFICATION), 591 HCMD_NAME(EOSP_NOTIFICATION), 592 HCMD_NAME(REDUCE_TX_POWER_CMD), 593 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 594 HCMD_NAME(TDLS_CONFIG_CMD), 595 HCMD_NAME(MAC_PM_POWER_TABLE), 596 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 597 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 598 HCMD_NAME(RSS_CONFIG_CMD), 599 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 600 HCMD_NAME(REPLY_RX_PHY_CMD), 601 HCMD_NAME(REPLY_RX_MPDU_CMD), 602 HCMD_NAME(BAR_FRAME_RELEASE), 603 HCMD_NAME(FRAME_RELEASE), 604 HCMD_NAME(BA_NOTIF), 605 HCMD_NAME(MCC_UPDATE_CMD), 606 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 607 HCMD_NAME(MARKER_CMD), 608 HCMD_NAME(BT_PROFILE_NOTIFICATION), 609 HCMD_NAME(MCAST_FILTER_CMD), 610 HCMD_NAME(REPLY_SF_CFG_CMD), 611 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 612 HCMD_NAME(D3_CONFIG_CMD), 613 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 614 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 615 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 616 HCMD_NAME(WOWLAN_PATTERNS), 617 HCMD_NAME(WOWLAN_CONFIGURATION), 618 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 619 HCMD_NAME(WOWLAN_TKIP_PARAM), 620 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 621 HCMD_NAME(WOWLAN_GET_STATUSES), 622 HCMD_NAME(SCAN_ITERATION_COMPLETE), 623 HCMD_NAME(D0I3_END_CMD), 624 HCMD_NAME(LTR_CONFIG), 625 HCMD_NAME(LDBG_CONFIG_CMD), 626 HCMD_NAME(DEBUG_LOG_MSG), 627 }; 628 629 /* Please keep this array *SORTED* by hex value. 630 * Access is done through binary search 631 */ 632 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 633 HCMD_NAME(SHARED_MEM_CFG_CMD), 634 HCMD_NAME(SOC_CONFIGURATION_CMD), 635 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 636 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 637 HCMD_NAME(RFI_CONFIG_CMD), 638 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 639 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 640 HCMD_NAME(SYSTEM_STATISTICS_CMD), 641 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 642 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 643 }; 644 645 /* Please keep this array *SORTED* by hex value. 646 * Access is done through binary search 647 */ 648 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { 649 HCMD_NAME(LOW_LATENCY_CMD), 650 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 651 HCMD_NAME(SESSION_PROTECTION_CMD), 652 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD), 653 HCMD_NAME(MAC_CONFIG_CMD), 654 HCMD_NAME(LINK_CONFIG_CMD), 655 HCMD_NAME(STA_CONFIG_CMD), 656 HCMD_NAME(AUX_STA_CMD), 657 HCMD_NAME(STA_REMOVE_CMD), 658 HCMD_NAME(STA_DISABLE_TX_CMD), 659 HCMD_NAME(ROC_CMD), 660 HCMD_NAME(EMLSR_TRANS_FAIL_NOTIF), 661 HCMD_NAME(ROC_NOTIF), 662 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF), 663 HCMD_NAME(MISSED_VAP_NOTIF), 664 HCMD_NAME(SESSION_PROTECTION_NOTIF), 665 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF), 666 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 667 }; 668 669 /* Please keep this array *SORTED* by hex value. 670 * Access is done through binary search 671 */ 672 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 673 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 674 HCMD_NAME(CTDP_CONFIG_CMD), 675 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 676 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 677 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 678 HCMD_NAME(CT_KILL_NOTIFICATION), 679 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 680 }; 681 682 /* Please keep this array *SORTED* by hex value. 683 * Access is done through binary search 684 */ 685 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 686 HCMD_NAME(DQA_ENABLE_CMD), 687 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 688 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 689 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD), 690 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 691 HCMD_NAME(STA_HE_CTXT_CMD), 692 HCMD_NAME(RLC_CONFIG_CMD), 693 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 694 HCMD_NAME(TLC_MNG_CONFIG_CMD), 695 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 696 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 697 HCMD_NAME(SEC_KEY_CMD), 698 HCMD_NAME(ESR_MODE_NOTIF), 699 HCMD_NAME(MONITOR_NOTIF), 700 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 701 HCMD_NAME(STA_PM_NOTIF), 702 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 703 HCMD_NAME(RX_QUEUES_NOTIFICATION), 704 }; 705 706 /* Please keep this array *SORTED* by hex value. 707 * Access is done through binary search 708 */ 709 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 710 HCMD_NAME(STATISTICS_OPER_NOTIF), 711 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 712 }; 713 714 /* Please keep this array *SORTED* by hex value. 715 * Access is done through binary search 716 */ 717 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 718 HCMD_NAME(LMAC_RD_WR), 719 HCMD_NAME(UMAC_RD_WR), 720 HCMD_NAME(HOST_EVENT_CFG), 721 HCMD_NAME(DBGC_SUSPEND_RESUME), 722 HCMD_NAME(BUFFER_ALLOCATION), 723 HCMD_NAME(GET_TAS_STATUS), 724 HCMD_NAME(FW_DUMP_COMPLETE_CMD), 725 HCMD_NAME(FW_CLEAR_BUFFER), 726 HCMD_NAME(MFU_ASSERT_DUMP_NTF), 727 }; 728 729 /* Please keep this array *SORTED* by hex value. 730 * Access is done through binary search 731 */ 732 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 733 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 734 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 735 }; 736 737 /* Please keep this array *SORTED* by hex value. 738 * Access is done through binary search 739 */ 740 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 741 HCMD_NAME(TOF_RANGE_REQ_CMD), 742 HCMD_NAME(TOF_CONFIG_CMD), 743 HCMD_NAME(TOF_RANGE_ABORT_CMD), 744 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 745 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 746 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 747 HCMD_NAME(TOF_LC_NOTIF), 748 HCMD_NAME(TOF_RESPONDER_STATS), 749 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 750 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF), 751 }; 752 753 /* Please keep this array *SORTED* by hex value. 754 * Access is done through binary search 755 */ 756 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { 757 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 758 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 759 HCMD_NAME(D3_END_NOTIFICATION), 760 HCMD_NAME(STORED_BEACON_NTF), 761 }; 762 763 /* Please keep this array *SORTED* by hex value. 764 * Access is done through binary search 765 */ 766 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 767 HCMD_NAME(NVM_ACCESS_COMPLETE), 768 HCMD_NAME(NVM_GET_INFO), 769 HCMD_NAME(TAS_CONFIG), 770 }; 771 772 /* Please keep this array *SORTED* by hex value. 773 * Access is done through binary search 774 */ 775 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = { 776 HCMD_NAME(PROFILE_NOTIF), 777 }; 778 779 static const struct iwl_hcmd_arr iwl_mvm_groups[] = { 780 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 781 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 782 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 783 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 784 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 785 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 786 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 787 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 788 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names), 789 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 790 [REGULATORY_AND_NVM_GROUP] = 791 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 792 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names), 793 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 794 }; 795 796 /* this forward declaration can avoid to export the function */ 797 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 798 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 799 struct wiphy_work *work); 800 801 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 802 { 803 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 804 u64 dflt_pwr_limit; 805 806 if (!backoff) 807 return 0; 808 809 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 810 811 while (backoff->pwr) { 812 if (dflt_pwr_limit >= backoff->pwr) 813 return backoff->backoff; 814 815 backoff++; 816 } 817 818 return 0; 819 } 820 821 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 822 { 823 struct iwl_mvm *mvm = 824 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 825 struct ieee80211_vif *tx_blocked_vif; 826 struct iwl_mvm_vif *mvmvif; 827 828 guard(mvm)(mvm); 829 830 tx_blocked_vif = 831 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 832 lockdep_is_held(&mvm->mutex)); 833 834 if (!tx_blocked_vif) 835 return; 836 837 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 838 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 839 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 840 } 841 842 static void iwl_mvm_fwrt_dump_start(void *ctx) 843 { 844 struct iwl_mvm *mvm = ctx; 845 846 mutex_lock(&mvm->mutex); 847 } 848 849 static void iwl_mvm_fwrt_dump_end(void *ctx) 850 { 851 struct iwl_mvm *mvm = ctx; 852 853 mutex_unlock(&mvm->mutex); 854 } 855 856 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 857 { 858 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 859 860 guard(mvm)(mvm); 861 return iwl_mvm_send_cmd(mvm, host_cmd); 862 } 863 864 static bool iwl_mvm_d3_debug_enable(void *ctx) 865 { 866 return IWL_MVM_D3_DEBUG; 867 } 868 869 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 870 .dump_start = iwl_mvm_fwrt_dump_start, 871 .dump_end = iwl_mvm_fwrt_dump_end, 872 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 873 .d3_debug_enable = iwl_mvm_d3_debug_enable, 874 }; 875 876 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 877 { 878 struct iwl_trans *trans = mvm->trans; 879 int ret; 880 881 if (trans->csme_own) { 882 if (WARN(!mvm->mei_registered, 883 "csme is owner, but we aren't registered to iwlmei\n")) 884 goto get_nvm_from_fw; 885 886 mvm->mei_nvm_data = iwl_mei_get_nvm(); 887 if (mvm->mei_nvm_data) { 888 /* 889 * mvm->mei_nvm_data is set and because of that, 890 * we'll load the NVM from the FW when we'll get 891 * ownership. 892 */ 893 mvm->nvm_data = 894 iwl_parse_mei_nvm_data(trans, trans->cfg, 895 mvm->mei_nvm_data, 896 mvm->fw, 897 mvm->set_tx_ant, 898 mvm->set_rx_ant); 899 return 0; 900 } 901 902 IWL_ERR(mvm, 903 "Got a NULL NVM from CSME, trying to get it from the device\n"); 904 } 905 906 get_nvm_from_fw: 907 rtnl_lock(); 908 wiphy_lock(mvm->hw->wiphy); 909 mutex_lock(&mvm->mutex); 910 911 ret = iwl_trans_start_hw(mvm->trans); 912 if (ret) { 913 mutex_unlock(&mvm->mutex); 914 wiphy_unlock(mvm->hw->wiphy); 915 rtnl_unlock(); 916 return ret; 917 } 918 919 ret = iwl_run_init_mvm_ucode(mvm); 920 if (ret && ret != -ERFKILL) 921 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 922 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 923 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 924 ret = iwl_mvm_init_mcc(mvm); 925 } 926 927 iwl_mvm_stop_device(mvm); 928 929 mutex_unlock(&mvm->mutex); 930 wiphy_unlock(mvm->hw->wiphy); 931 rtnl_unlock(); 932 933 if (ret) 934 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 935 936 /* no longer need this regardless of failure or not */ 937 mvm->fw_product_reset = false; 938 939 return ret; 940 } 941 942 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 943 { 944 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 945 int ret; 946 947 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 948 949 ret = iwl_mvm_mac_setup_register(mvm); 950 if (ret) 951 return ret; 952 953 mvm->hw_registered = true; 954 955 iwl_mvm_dbgfs_register(mvm); 956 957 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 958 mvm->mei_rfkill_blocked, 959 RFKILL_HARD_BLOCK_NOT_OWNER); 960 961 iwl_mvm_mei_set_sw_rfkill_state(mvm); 962 963 return 0; 964 } 965 966 struct iwl_mvm_frob_txf_data { 967 u8 *buf; 968 size_t buflen; 969 }; 970 971 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 972 struct ieee80211_vif *vif, 973 struct ieee80211_sta *sta, 974 struct ieee80211_key_conf *key, 975 void *data) 976 { 977 struct iwl_mvm_frob_txf_data *txf = data; 978 u8 keylen, match, matchend; 979 u8 *keydata; 980 size_t i; 981 982 switch (key->cipher) { 983 case WLAN_CIPHER_SUITE_CCMP: 984 keydata = key->key; 985 keylen = key->keylen; 986 break; 987 case WLAN_CIPHER_SUITE_WEP40: 988 case WLAN_CIPHER_SUITE_WEP104: 989 case WLAN_CIPHER_SUITE_TKIP: 990 /* 991 * WEP has short keys which might show up in the payload, 992 * and then you can deduce the key, so in this case just 993 * remove all FIFO data. 994 * For TKIP, we don't know the phase 2 keys here, so same. 995 */ 996 memset(txf->buf, 0xBB, txf->buflen); 997 return; 998 default: 999 return; 1000 } 1001 1002 /* scan for key material and clear it out */ 1003 match = 0; 1004 for (i = 0; i < txf->buflen; i++) { 1005 if (txf->buf[i] != keydata[match]) { 1006 match = 0; 1007 continue; 1008 } 1009 match++; 1010 if (match == keylen) { 1011 memset(txf->buf + i - keylen, 0xAA, keylen); 1012 match = 0; 1013 } 1014 } 1015 1016 /* we're dealing with a FIFO, so check wrapped around data */ 1017 matchend = match; 1018 for (i = 0; match && i < keylen - match; i++) { 1019 if (txf->buf[i] != keydata[match]) 1020 break; 1021 match++; 1022 if (match == keylen) { 1023 memset(txf->buf, 0xAA, i + 1); 1024 memset(txf->buf + txf->buflen - matchend, 0xAA, 1025 matchend); 1026 break; 1027 } 1028 } 1029 } 1030 1031 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 1032 { 1033 struct iwl_mvm_frob_txf_data txf = { 1034 .buf = buf, 1035 .buflen = buflen, 1036 }; 1037 struct iwl_mvm *mvm = ctx; 1038 1039 /* embedded key material exists only on old API */ 1040 if (iwl_mvm_has_new_tx_api(mvm)) 1041 return; 1042 1043 rcu_read_lock(); 1044 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 1045 rcu_read_unlock(); 1046 } 1047 1048 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 1049 { 1050 /* we only use wide headers for commands */ 1051 struct iwl_cmd_header_wide *hdr = hcmd; 1052 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 1053 1054 if (len < sizeof(hdr)) 1055 return; 1056 1057 /* all the commands we care about are in LONG_GROUP */ 1058 if (hdr->group_id != LONG_GROUP) 1059 return; 1060 1061 switch (hdr->cmd) { 1062 case WEP_KEY: 1063 case WOWLAN_TKIP_PARAM: 1064 case WOWLAN_KEK_KCK_MATERIAL: 1065 case ADD_STA_KEY: 1066 /* 1067 * blank out everything here, easier than dealing 1068 * with the various versions of the command 1069 */ 1070 frob_end = INT_MAX; 1071 break; 1072 case MGMT_MCAST_KEY: 1073 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1074 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1075 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1076 1077 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1078 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1079 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1080 break; 1081 } 1082 1083 if (frob_start >= frob_end) 1084 return; 1085 1086 if (frob_end > len) 1087 frob_end = len; 1088 1089 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1090 } 1091 1092 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1093 { 1094 const struct iwl_dump_exclude *excl; 1095 struct iwl_mvm *mvm = ctx; 1096 int i; 1097 1098 switch (mvm->fwrt.cur_fw_img) { 1099 case IWL_UCODE_INIT: 1100 default: 1101 /* not relevant */ 1102 return; 1103 case IWL_UCODE_REGULAR: 1104 case IWL_UCODE_REGULAR_USNIFFER: 1105 excl = mvm->fw->dump_excl; 1106 break; 1107 case IWL_UCODE_WOWLAN: 1108 excl = mvm->fw->dump_excl_wowlan; 1109 break; 1110 } 1111 1112 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1113 sizeof(mvm->fw->dump_excl_wowlan)); 1114 1115 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1116 u32 start, end; 1117 1118 if (!excl[i].addr || !excl[i].size) 1119 continue; 1120 1121 start = excl[i].addr; 1122 end = start + excl[i].size; 1123 1124 if (end <= mem_addr || start >= mem_addr + buflen) 1125 continue; 1126 1127 if (start < mem_addr) 1128 start = mem_addr; 1129 1130 if (end > mem_addr + buflen) 1131 end = mem_addr + buflen; 1132 1133 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1134 } 1135 } 1136 1137 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1138 .frob_txf = iwl_mvm_frob_txf, 1139 .frob_hcmd = iwl_mvm_frob_hcmd, 1140 .frob_mem = iwl_mvm_frob_mem, 1141 }; 1142 1143 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1144 { 1145 struct iwl_mvm *mvm = priv; 1146 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1147 1148 /* 1149 * This is protected by the guarantee that this function will not be 1150 * called twice on two different threads 1151 */ 1152 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1153 1154 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1155 if (!curr_conn_info) 1156 return; 1157 1158 curr_conn_info->conn_info = *conn_info; 1159 1160 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1161 1162 if (prev_conn_info) 1163 kfree_rcu(prev_conn_info, rcu_head); 1164 } 1165 1166 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1167 bool csme_taking_ownership) 1168 { 1169 struct iwl_mvm *mvm = priv; 1170 1171 if (blocked && !csme_taking_ownership) 1172 return; 1173 1174 mvm->mei_rfkill_blocked = blocked; 1175 if (!mvm->hw_registered) 1176 return; 1177 1178 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1179 mvm->mei_rfkill_blocked, 1180 RFKILL_HARD_BLOCK_NOT_OWNER); 1181 } 1182 1183 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1184 { 1185 struct iwl_mvm *mvm = priv; 1186 1187 if (!mvm->hw_registered || !mvm->csme_vif) 1188 return; 1189 1190 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1191 } 1192 1193 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1194 { 1195 struct iwl_mvm *mvm = 1196 container_of(wk, struct iwl_mvm, sap_connected_wk); 1197 int ret; 1198 1199 ret = iwl_mvm_start_get_nvm(mvm); 1200 if (ret) 1201 goto out_free; 1202 1203 ret = iwl_mvm_start_post_nvm(mvm); 1204 if (ret) 1205 goto out_free; 1206 1207 return; 1208 1209 out_free: 1210 IWL_ERR(mvm, "Couldn't get started...\n"); 1211 iwl_mei_start_unregister(); 1212 iwl_mei_unregister_complete(); 1213 iwl_fw_flush_dumps(&mvm->fwrt); 1214 iwl_mvm_thermal_exit(mvm); 1215 iwl_fw_runtime_free(&mvm->fwrt); 1216 iwl_phy_db_free(mvm->phy_db); 1217 kfree(mvm->scan_cmd); 1218 iwl_trans_op_mode_leave(mvm->trans); 1219 kfree(mvm->nvm_data); 1220 kfree(mvm->mei_nvm_data); 1221 1222 ieee80211_free_hw(mvm->hw); 1223 } 1224 1225 static void iwl_mvm_mei_sap_connected(void *priv) 1226 { 1227 struct iwl_mvm *mvm = priv; 1228 1229 if (!mvm->hw_registered) 1230 schedule_work(&mvm->sap_connected_wk); 1231 } 1232 1233 static void iwl_mvm_mei_nic_stolen(void *priv) 1234 { 1235 struct iwl_mvm *mvm = priv; 1236 1237 rtnl_lock(); 1238 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1239 rtnl_unlock(); 1240 } 1241 1242 static const struct iwl_mei_ops mei_ops = { 1243 .me_conn_status = iwl_mvm_me_conn_status, 1244 .rfkill = iwl_mvm_mei_rfkill, 1245 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1246 .sap_connected = iwl_mvm_mei_sap_connected, 1247 .nic_stolen = iwl_mvm_mei_nic_stolen, 1248 }; 1249 1250 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac, 1251 struct ieee80211_vif *vif) 1252 { 1253 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1254 1255 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized) 1256 iwl_mvm_select_links(mvmvif->mvm, vif); 1257 } 1258 1259 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy, 1260 struct wiphy_work *wk) 1261 { 1262 struct iwl_mvm *mvm = 1263 container_of(wk, struct iwl_mvm, trig_link_selection_wk); 1264 1265 mutex_lock(&mvm->mutex); 1266 ieee80211_iterate_active_interfaces(mvm->hw, 1267 IEEE80211_IFACE_ITER_NORMAL, 1268 iwl_mvm_find_link_selection_vif, 1269 NULL); 1270 mutex_unlock(&mvm->mutex); 1271 } 1272 1273 static struct iwl_op_mode * 1274 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, 1275 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1276 { 1277 struct ieee80211_hw *hw; 1278 struct iwl_op_mode *op_mode; 1279 struct iwl_mvm *mvm; 1280 struct iwl_trans_config trans_cfg = {}; 1281 static const u8 no_reclaim_cmds[] = { 1282 TX_CMD, 1283 }; 1284 u32 max_agg; 1285 size_t scan_size; 1286 u32 min_backoff; 1287 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1288 1289 /* 1290 * We use IWL_STATION_COUNT_MAX to check the validity of the station 1291 * index all over the driver - check that its value corresponds to the 1292 * array size. 1293 */ 1294 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1295 IWL_STATION_COUNT_MAX); 1296 1297 /******************************** 1298 * 1. Allocating and configuring HW data 1299 ********************************/ 1300 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1301 sizeof(struct iwl_mvm), 1302 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1303 &iwl_mvm_hw_ops); 1304 if (!hw) 1305 return NULL; 1306 1307 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1308 max_agg = 512; 1309 else 1310 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1311 1312 hw->max_rx_aggregation_subframes = max_agg; 1313 1314 if (cfg->max_tx_agg_size) 1315 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; 1316 else 1317 hw->max_tx_aggregation_subframes = max_agg; 1318 1319 op_mode = hw->priv; 1320 1321 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1322 mvm->dev = trans->dev; 1323 mvm->trans = trans; 1324 mvm->cfg = cfg; 1325 mvm->fw = fw; 1326 mvm->hw = hw; 1327 1328 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1329 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1330 1331 iwl_mvm_get_bios_tables(mvm); 1332 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1333 iwl_uefi_get_step_table(trans); 1334 1335 mvm->init_status = 0; 1336 1337 if (iwl_mvm_has_new_rx_api(mvm)) { 1338 op_mode->ops = &iwl_mvm_ops_mq; 1339 trans->rx_mpdu_cmd_hdr_size = 1340 (trans->trans_cfg->device_family >= 1341 IWL_DEVICE_FAMILY_AX210) ? 1342 sizeof(struct iwl_rx_mpdu_desc) : 1343 IWL_RX_DESC_SIZE_V1; 1344 } else { 1345 op_mode->ops = &iwl_mvm_ops; 1346 trans->rx_mpdu_cmd_hdr_size = 1347 sizeof(struct iwl_rx_mpdu_res_start); 1348 1349 if (WARN_ON(trans->num_rx_queues > 1)) 1350 goto out_free; 1351 } 1352 1353 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0; 1354 mvm->bios_enable_puncturing = iwl_uefi_get_puncturing(&mvm->fwrt); 1355 1356 if (iwl_mvm_has_new_tx_api(mvm)) { 1357 /* 1358 * If we have the new TX/queue allocation API initialize them 1359 * all to invalid numbers. We'll rewrite the ones that we need 1360 * later, but that doesn't happen for all of them all of the 1361 * time (e.g. P2P Device is optional), and if a dynamic queue 1362 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1363 * iwl_mvm_is_static_queue() erroneously returns true, and we 1364 * might have things getting stuck. 1365 */ 1366 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1367 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1368 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1369 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1370 } else { 1371 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1372 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1373 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1374 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1375 } 1376 1377 mvm->sf_state = SF_UNINIT; 1378 if (iwl_mvm_has_unified_ucode(mvm)) 1379 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1380 else 1381 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1382 mvm->drop_bcn_ap_mode = true; 1383 1384 mutex_init(&mvm->mutex); 1385 spin_lock_init(&mvm->async_handlers_lock); 1386 INIT_LIST_HEAD(&mvm->time_event_list); 1387 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1388 INIT_LIST_HEAD(&mvm->async_handlers_list); 1389 spin_lock_init(&mvm->time_event_lock); 1390 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1391 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1392 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1393 1394 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1395 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1396 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1397 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1398 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1399 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1400 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1401 spin_lock_init(&mvm->add_stream_lock); 1402 1403 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1404 iwl_mvm_async_handlers_wiphy_wk); 1405 1406 wiphy_work_init(&mvm->trig_link_selection_wk, 1407 iwl_mvm_trig_link_selection); 1408 1409 init_waitqueue_head(&mvm->rx_sync_waitq); 1410 1411 mvm->queue_sync_state = 0; 1412 1413 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1414 1415 spin_lock_init(&mvm->tcm.lock); 1416 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1417 mvm->tcm.ts = jiffies; 1418 mvm->tcm.ll_ts = jiffies; 1419 mvm->tcm.uapsd_nonagg_ts = jiffies; 1420 1421 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1422 1423 mvm->cmd_ver.range_resp = 1424 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1425 TOF_RANGE_RESPONSE_NOTIF, 5); 1426 /* we only support up to version 9 */ 1427 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) 1428 goto out_free; 1429 1430 /* 1431 * Populate the state variables that the transport layer needs 1432 * to know about. 1433 */ 1434 trans_cfg.op_mode = op_mode; 1435 trans_cfg.no_reclaim_cmds = no_reclaim_cmds; 1436 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1437 1438 trans_cfg.rx_buf_size = iwl_amsdu_size_to_rxb_size(); 1439 1440 trans->wide_cmd_header = true; 1441 trans_cfg.bc_table_dword = 1442 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; 1443 1444 trans_cfg.command_groups = iwl_mvm_groups; 1445 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1446 1447 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1448 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1449 trans_cfg.scd_set_active = true; 1450 1451 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, 1452 driver_data[2]); 1453 1454 snprintf(mvm->hw->wiphy->fw_version, 1455 sizeof(mvm->hw->wiphy->fw_version), 1456 "%.31s", fw->fw_version); 1457 1458 trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa, 1459 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1460 1461 trans_cfg.queue_alloc_cmd_ver = 1462 iwl_fw_lookup_cmd_ver(mvm->fw, 1463 WIDE_ID(DATA_PATH_GROUP, 1464 SCD_QUEUE_CONFIG_CMD), 1465 0); 1466 mvm->sta_remove_requires_queue_remove = 1467 trans_cfg.queue_alloc_cmd_ver > 0; 1468 1469 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1470 1471 /* Configure transport layer */ 1472 iwl_trans_configure(mvm->trans, &trans_cfg); 1473 1474 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1475 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1476 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1477 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv, 1478 sizeof(trans->dbg.conf_tlv)); 1479 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv; 1480 1481 trans->iml = mvm->fw->iml; 1482 trans->iml_len = mvm->fw->iml_len; 1483 1484 /* set up notification wait support */ 1485 iwl_notification_wait_init(&mvm->notif_wait); 1486 1487 /* Init phy db */ 1488 mvm->phy_db = iwl_phy_db_init(trans); 1489 if (!mvm->phy_db) { 1490 IWL_ERR(mvm, "Cannot init phy_db\n"); 1491 goto out_free; 1492 } 1493 1494 if (iwlwifi_mod_params.nvm_file) 1495 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1496 else 1497 IWL_DEBUG_EEPROM(mvm->trans->dev, 1498 "working without external nvm file\n"); 1499 1500 scan_size = iwl_mvm_scan_size(mvm); 1501 1502 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1503 if (!mvm->scan_cmd) 1504 goto out_free; 1505 mvm->scan_cmd_size = scan_size; 1506 1507 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1508 mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA; 1509 mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA; 1510 1511 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1512 mvm->last_ebs_successful = true; 1513 1514 min_backoff = iwl_mvm_min_backoff(mvm); 1515 iwl_mvm_thermal_initialize(mvm, min_backoff); 1516 1517 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1518 memset(&mvm->rx_stats_v3, 0, 1519 sizeof(struct mvm_statistics_rx_v3)); 1520 else 1521 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1522 1523 iwl_mvm_ftm_initiator_smooth_config(mvm); 1524 1525 iwl_mvm_init_time_sync(&mvm->time_sync); 1526 1527 mvm->debugfs_dir = dbgfs_dir; 1528 1529 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1530 1531 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1532 1533 if (iwl_mvm_start_get_nvm(mvm)) { 1534 /* 1535 * Getting NVM failed while CSME is the owner, but we are 1536 * registered to MEI, we'll get the NVM later when it'll be 1537 * possible to get it from CSME. 1538 */ 1539 if (trans->csme_own && mvm->mei_registered) 1540 return op_mode; 1541 1542 goto out_thermal_exit; 1543 } 1544 1545 1546 if (iwl_mvm_start_post_nvm(mvm)) 1547 goto out_thermal_exit; 1548 1549 return op_mode; 1550 1551 out_thermal_exit: 1552 iwl_mvm_thermal_exit(mvm); 1553 if (mvm->mei_registered) { 1554 iwl_mei_start_unregister(); 1555 iwl_mei_unregister_complete(); 1556 } 1557 out_free: 1558 iwl_fw_flush_dumps(&mvm->fwrt); 1559 iwl_fw_runtime_free(&mvm->fwrt); 1560 1561 iwl_phy_db_free(mvm->phy_db); 1562 kfree(mvm->scan_cmd); 1563 iwl_trans_op_mode_leave(trans); 1564 1565 ieee80211_free_hw(mvm->hw); 1566 return NULL; 1567 } 1568 1569 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1570 { 1571 lockdep_assert_held(&mvm->mutex); 1572 1573 iwl_fw_cancel_timestamp(&mvm->fwrt); 1574 1575 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1576 1577 iwl_mvm_pause_tcm(mvm, false); 1578 1579 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1580 iwl_trans_stop_device(mvm->trans); 1581 iwl_free_fw_paging(&mvm->fwrt); 1582 iwl_fw_dump_conf_clear(&mvm->fwrt); 1583 iwl_mvm_mei_device_state(mvm, false); 1584 } 1585 1586 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1587 { 1588 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1589 int i; 1590 1591 if (mvm->mei_registered) { 1592 rtnl_lock(); 1593 iwl_mei_set_netdev(NULL); 1594 rtnl_unlock(); 1595 iwl_mei_start_unregister(); 1596 } 1597 1598 /* 1599 * After we unregister from mei, the worker can't be scheduled 1600 * anymore. 1601 */ 1602 cancel_work_sync(&mvm->sap_connected_wk); 1603 1604 iwl_mvm_leds_exit(mvm); 1605 1606 iwl_mvm_thermal_exit(mvm); 1607 1608 /* 1609 * If we couldn't get ownership on the device and we couldn't 1610 * get the NVM from CSME, we haven't registered to mac80211. 1611 * In that case, we didn't fail op_mode_start, because we are 1612 * waiting for CSME to allow us to get the NVM to register to 1613 * mac80211. If that didn't happen, we haven't registered to 1614 * mac80211, hence the if below. 1615 */ 1616 if (mvm->hw_registered) 1617 ieee80211_unregister_hw(mvm->hw); 1618 1619 kfree(mvm->scan_cmd); 1620 kfree(mvm->mcast_filter_cmd); 1621 mvm->mcast_filter_cmd = NULL; 1622 1623 kfree(mvm->error_recovery_buf); 1624 mvm->error_recovery_buf = NULL; 1625 1626 iwl_mvm_ptp_remove(mvm); 1627 1628 iwl_trans_op_mode_leave(mvm->trans); 1629 1630 iwl_phy_db_free(mvm->phy_db); 1631 mvm->phy_db = NULL; 1632 1633 kfree(mvm->nvm_data); 1634 kfree(mvm->mei_nvm_data); 1635 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1636 kfree(mvm->temp_nvm_data); 1637 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1638 kfree(mvm->nvm_sections[i].data); 1639 kfree(mvm->acs_survey); 1640 1641 cancel_delayed_work_sync(&mvm->tcm.work); 1642 1643 iwl_fw_runtime_free(&mvm->fwrt); 1644 mutex_destroy(&mvm->mutex); 1645 1646 if (mvm->mei_registered) 1647 iwl_mei_unregister_complete(); 1648 1649 ieee80211_free_hw(mvm->hw); 1650 } 1651 1652 struct iwl_async_handler_entry { 1653 struct list_head list; 1654 struct iwl_rx_cmd_buffer rxb; 1655 enum iwl_rx_handler_context context; 1656 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1657 }; 1658 1659 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1660 { 1661 struct iwl_async_handler_entry *entry, *tmp; 1662 1663 spin_lock_bh(&mvm->async_handlers_lock); 1664 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1665 iwl_free_rxb(&entry->rxb); 1666 list_del(&entry->list); 1667 kfree(entry); 1668 } 1669 spin_unlock_bh(&mvm->async_handlers_lock); 1670 } 1671 1672 /* 1673 * This function receives a bitmap of rx async handler contexts 1674 * (&iwl_rx_handler_context) to handle, and runs only them 1675 */ 1676 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1677 u8 contexts) 1678 { 1679 struct iwl_async_handler_entry *entry, *tmp; 1680 LIST_HEAD(local_list); 1681 1682 /* 1683 * Sync with Rx path with a lock. Remove all the entries of the 1684 * wanted contexts from this list, add them to a local one (lock free), 1685 * and then handle them. 1686 */ 1687 spin_lock_bh(&mvm->async_handlers_lock); 1688 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1689 if (!(BIT(entry->context) & contexts)) 1690 continue; 1691 list_del(&entry->list); 1692 list_add_tail(&entry->list, &local_list); 1693 } 1694 spin_unlock_bh(&mvm->async_handlers_lock); 1695 1696 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1697 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1698 mutex_lock(&mvm->mutex); 1699 entry->fn(mvm, &entry->rxb); 1700 iwl_free_rxb(&entry->rxb); 1701 list_del(&entry->list); 1702 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1703 mutex_unlock(&mvm->mutex); 1704 kfree(entry); 1705 } 1706 } 1707 1708 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1709 struct wiphy_work *wk) 1710 { 1711 struct iwl_mvm *mvm = 1712 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1713 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1714 1715 iwl_mvm_async_handlers_by_context(mvm, contexts); 1716 } 1717 1718 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1719 { 1720 struct iwl_mvm *mvm = 1721 container_of(wk, struct iwl_mvm, async_handlers_wk); 1722 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1723 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1724 1725 iwl_mvm_async_handlers_by_context(mvm, contexts); 1726 } 1727 1728 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1729 struct iwl_rx_packet *pkt) 1730 { 1731 struct iwl_fw_dbg_trigger_tlv *trig; 1732 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1733 int i; 1734 1735 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1736 FW_DBG_TRIGGER_FW_NOTIF); 1737 if (!trig) 1738 return; 1739 1740 cmds_trig = (void *)trig->data; 1741 1742 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1743 /* don't collect on CMD 0 */ 1744 if (!cmds_trig->cmds[i].cmd_id) 1745 break; 1746 1747 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1748 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1749 continue; 1750 1751 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1752 "CMD 0x%02x.%02x received", 1753 pkt->hdr.group_id, pkt->hdr.cmd); 1754 break; 1755 } 1756 } 1757 1758 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1759 struct iwl_rx_cmd_buffer *rxb, 1760 struct iwl_rx_packet *pkt) 1761 { 1762 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1763 int i; 1764 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1765 1766 iwl_dbg_tlv_time_point(&mvm->fwrt, 1767 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1768 iwl_mvm_rx_check_trigger(mvm, pkt); 1769 1770 /* 1771 * Do the notification wait before RX handlers so 1772 * even if the RX handler consumes the RXB we have 1773 * access to it in the notification wait entry. 1774 */ 1775 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1776 1777 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1778 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1779 struct iwl_async_handler_entry *entry; 1780 1781 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1782 continue; 1783 1784 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1785 "unexpected notification 0x%04x size %d, need %d\n", 1786 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1787 return; 1788 1789 if (rx_h->context == RX_HANDLER_SYNC) { 1790 rx_h->fn(mvm, rxb); 1791 return; 1792 } 1793 1794 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1795 /* we can't do much... */ 1796 if (!entry) 1797 return; 1798 1799 entry->rxb._page = rxb_steal_page(rxb); 1800 entry->rxb._offset = rxb->_offset; 1801 entry->rxb._rx_page_order = rxb->_rx_page_order; 1802 entry->fn = rx_h->fn; 1803 entry->context = rx_h->context; 1804 spin_lock(&mvm->async_handlers_lock); 1805 list_add_tail(&entry->list, &mvm->async_handlers_list); 1806 spin_unlock(&mvm->async_handlers_lock); 1807 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1808 wiphy_work_queue(mvm->hw->wiphy, 1809 &mvm->async_handlers_wiphy_wk); 1810 else 1811 schedule_work(&mvm->async_handlers_wk); 1812 break; 1813 } 1814 } 1815 1816 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1817 struct napi_struct *napi, 1818 struct iwl_rx_cmd_buffer *rxb) 1819 { 1820 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1821 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1822 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1823 1824 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1825 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1826 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1827 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1828 else 1829 iwl_mvm_rx_common(mvm, rxb, pkt); 1830 } 1831 1832 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1833 struct napi_struct *napi, 1834 struct iwl_rx_cmd_buffer *rxb) 1835 { 1836 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1837 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1838 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1839 1840 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1841 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1842 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1843 RX_QUEUES_NOTIFICATION))) 1844 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1845 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1846 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1847 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1848 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1849 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1850 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1851 else 1852 iwl_mvm_rx_common(mvm, rxb, pkt); 1853 } 1854 1855 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1856 { 1857 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1858 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1859 } 1860 1861 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1862 int hw_queue, bool start) 1863 { 1864 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1865 struct ieee80211_sta *sta; 1866 struct ieee80211_txq *txq; 1867 struct iwl_mvm_txq *mvmtxq; 1868 int i; 1869 unsigned long tid_bitmap; 1870 struct iwl_mvm_sta *mvmsta; 1871 u8 sta_id; 1872 1873 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1874 mvm->tvqm_info[hw_queue].sta_id : 1875 mvm->queue_info[hw_queue].ra_sta_id; 1876 1877 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1878 return; 1879 1880 rcu_read_lock(); 1881 1882 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1883 if (IS_ERR_OR_NULL(sta)) 1884 goto out; 1885 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1886 1887 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1888 if (!start) 1889 ieee80211_stop_queues(mvm->hw); 1890 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1891 ieee80211_wake_queues(mvm->hw); 1892 1893 goto out; 1894 } 1895 1896 if (iwl_mvm_has_new_tx_api(mvm)) { 1897 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1898 1899 tid_bitmap = BIT(tid); 1900 } else { 1901 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1902 } 1903 1904 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1905 int tid = i; 1906 1907 if (tid == IWL_MAX_TID_COUNT) 1908 tid = IEEE80211_NUM_TIDS; 1909 1910 txq = sta->txq[tid]; 1911 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1912 if (start) 1913 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1914 else 1915 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1916 1917 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1918 local_bh_disable(); 1919 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1920 local_bh_enable(); 1921 } 1922 } 1923 1924 out: 1925 rcu_read_unlock(); 1926 } 1927 1928 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1929 { 1930 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1931 } 1932 1933 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1934 { 1935 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1936 } 1937 1938 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1939 { 1940 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1941 iwl_mvm_is_radio_killed(mvm)); 1942 } 1943 1944 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1945 { 1946 if (state) 1947 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1948 else 1949 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1950 1951 iwl_mvm_set_rfkill_state(mvm); 1952 } 1953 1954 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1955 { 1956 return rcu_dereference_protected(mvm->csme_conn_info, 1957 lockdep_is_held(&mvm->mutex)); 1958 } 1959 1960 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1961 { 1962 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1963 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1964 bool unified = iwl_mvm_has_unified_ucode(mvm); 1965 1966 if (state) 1967 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1968 else 1969 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1970 1971 iwl_mvm_set_rfkill_state(mvm); 1972 1973 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 1974 if (rfkill_safe_init_done) 1975 iwl_abort_notification_waits(&mvm->notif_wait); 1976 1977 /* 1978 * Don't ask the transport to stop the firmware. We'll do it 1979 * after cfg80211 takes us down. 1980 */ 1981 if (unified) 1982 return false; 1983 1984 /* 1985 * Stop the device if we run OPERATIONAL firmware or if we are in the 1986 * middle of the calibrations. 1987 */ 1988 return state && rfkill_safe_init_done; 1989 } 1990 1991 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 1992 { 1993 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1994 struct ieee80211_tx_info *info; 1995 1996 info = IEEE80211_SKB_CB(skb); 1997 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 1998 ieee80211_free_txskb(mvm->hw, skb); 1999 } 2000 2001 struct iwl_mvm_reprobe { 2002 struct device *dev; 2003 struct work_struct work; 2004 }; 2005 2006 static void iwl_mvm_reprobe_wk(struct work_struct *wk) 2007 { 2008 struct iwl_mvm_reprobe *reprobe; 2009 2010 reprobe = container_of(wk, struct iwl_mvm_reprobe, work); 2011 if (device_reprobe(reprobe->dev)) 2012 dev_err(reprobe->dev, "reprobe failed!\n"); 2013 put_device(reprobe->dev); 2014 kfree(reprobe); 2015 module_put(THIS_MODULE); 2016 } 2017 2018 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) 2019 { 2020 iwl_abort_notification_waits(&mvm->notif_wait); 2021 iwl_dbg_tlv_del_timers(mvm->trans); 2022 2023 /* 2024 * This is a bit racy, but worst case we tell mac80211 about 2025 * a stopped/aborted scan when that was already done which 2026 * is not a problem. It is necessary to abort any os scan 2027 * here because mac80211 requires having the scan cleared 2028 * before restarting. 2029 * We'll reset the scan_status to NONE in restart cleanup in 2030 * the next start() call from mac80211. If restart isn't called 2031 * (no fw restart) scan status will stay busy. 2032 */ 2033 iwl_mvm_report_scan_aborted(mvm); 2034 2035 /* 2036 * If we're restarting already, don't cycle restarts. 2037 * If INIT fw asserted, it will likely fail again. 2038 * If WoWLAN fw asserted, don't restart either, mac80211 2039 * can't recover this since we're already half suspended. 2040 */ 2041 if (!mvm->fw_restart && fw_error) { 2042 iwl_fw_error_collect(&mvm->fwrt, false); 2043 } else if (test_bit(IWL_MVM_STATUS_STARTING, 2044 &mvm->status)) { 2045 IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n"); 2046 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { 2047 struct iwl_mvm_reprobe *reprobe; 2048 2049 IWL_ERR(mvm, 2050 "Firmware error during reconfiguration - reprobe!\n"); 2051 2052 /* 2053 * get a module reference to avoid doing this while unloading 2054 * anyway and to avoid scheduling a work with code that's 2055 * being removed. 2056 */ 2057 if (!try_module_get(THIS_MODULE)) { 2058 IWL_ERR(mvm, "Module is being unloaded - abort\n"); 2059 return; 2060 } 2061 2062 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC); 2063 if (!reprobe) { 2064 module_put(THIS_MODULE); 2065 return; 2066 } 2067 reprobe->dev = get_device(mvm->trans->dev); 2068 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); 2069 schedule_work(&reprobe->work); 2070 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, 2071 &mvm->status)) { 2072 IWL_ERR(mvm, "HW restart already requested, but not started\n"); 2073 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && 2074 mvm->hw_registered && 2075 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { 2076 /* This should be first thing before trying to collect any 2077 * data to avoid endless loops if any HW error happens while 2078 * collecting debug data. 2079 */ 2080 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 2081 2082 if (mvm->fw->ucode_capa.error_log_size) { 2083 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2084 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2085 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2086 2087 if (recover_buf) { 2088 mvm->error_recovery_buf = recover_buf; 2089 iwl_trans_read_mem_bytes(mvm->trans, 2090 src_addr, 2091 recover_buf, 2092 src_size); 2093 } 2094 } 2095 2096 iwl_fw_error_collect(&mvm->fwrt, false); 2097 2098 if (fw_error && mvm->fw_restart > 0) { 2099 mvm->fw_restart--; 2100 ieee80211_restart_hw(mvm->hw); 2101 } else if (mvm->fwrt.trans->dbg.restart_required) { 2102 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2103 mvm->fwrt.trans->dbg.restart_required = false; 2104 ieee80211_restart_hw(mvm->hw); 2105 } else if (mvm->trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2106 ieee80211_restart_hw(mvm->hw); 2107 } 2108 } 2109 } 2110 2111 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, bool sync) 2112 { 2113 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2114 2115 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) && 2116 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2117 &mvm->status)) 2118 iwl_mvm_dump_nic_error_log(mvm); 2119 2120 if (sync) { 2121 iwl_fw_error_collect(&mvm->fwrt, true); 2122 /* 2123 * Currently, the only case for sync=true is during 2124 * shutdown, so just stop in this case. If/when that 2125 * changes, we need to be a bit smarter here. 2126 */ 2127 return; 2128 } 2129 2130 /* 2131 * If the firmware crashes while we're already considering it 2132 * to be dead then don't ask for a restart, that cannot do 2133 * anything useful anyway. 2134 */ 2135 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2136 return; 2137 2138 iwl_mvm_nic_restart(mvm, false); 2139 } 2140 2141 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) 2142 { 2143 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2144 2145 WARN_ON(1); 2146 iwl_mvm_nic_restart(mvm, true); 2147 } 2148 2149 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2150 enum iwl_fw_ini_time_point tp_id, 2151 union iwl_dbg_tlv_tp_data *tp_data) 2152 { 2153 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2154 2155 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2156 } 2157 2158 #ifdef CONFIG_PM_SLEEP 2159 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2160 { 2161 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2162 2163 mutex_lock(&mvm->mutex); 2164 clear_bit(IWL_MVM_STATUS_IN_D3, &mvm->status); 2165 mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; 2166 iwl_mvm_stop_device(mvm); 2167 mvm->fast_resume = false; 2168 mutex_unlock(&mvm->mutex); 2169 } 2170 #else 2171 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2172 {} 2173 #endif 2174 2175 #define IWL_MVM_COMMON_OPS \ 2176 /* these could be differentiated */ \ 2177 .queue_full = iwl_mvm_stop_sw_queue, \ 2178 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2179 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2180 .free_skb = iwl_mvm_free_skb, \ 2181 .nic_error = iwl_mvm_nic_error, \ 2182 .cmd_queue_full = iwl_mvm_cmd_queue_full, \ 2183 .nic_config = iwl_mvm_nic_config, \ 2184 /* as we only register one, these MUST be common! */ \ 2185 .start = iwl_op_mode_mvm_start, \ 2186 .stop = iwl_op_mode_mvm_stop, \ 2187 .time_point = iwl_op_mode_mvm_time_point, \ 2188 .device_powered_off = iwl_op_mode_mvm_device_powered_off 2189 2190 static const struct iwl_op_mode_ops iwl_mvm_ops = { 2191 IWL_MVM_COMMON_OPS, 2192 .rx = iwl_mvm_rx, 2193 }; 2194 2195 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode, 2196 struct napi_struct *napi, 2197 struct iwl_rx_cmd_buffer *rxb, 2198 unsigned int queue) 2199 { 2200 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2201 struct iwl_rx_packet *pkt = rxb_addr(rxb); 2202 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 2203 2204 if (unlikely(queue >= mvm->trans->num_rx_queues)) 2205 return; 2206 2207 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))) 2208 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue); 2209 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 2210 RX_QUEUES_NOTIFICATION))) 2211 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue); 2212 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 2213 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue); 2214 } 2215 2216 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = { 2217 IWL_MVM_COMMON_OPS, 2218 .rx = iwl_mvm_rx_mq, 2219 .rx_rss = iwl_mvm_rx_mq_rss, 2220 }; 2221