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 #if defined(__FreeBSD__) 8 #define LINUXKPI_PARAM_PREFIX iwlwifi_mvm_ 9 #endif 10 #include <linux/module.h> 11 #include <linux/rtnetlink.h> 12 #include <linux/vmalloc.h> 13 #include <net/mac80211.h> 14 15 #include "fw/notif-wait.h" 16 #include "iwl-trans.h" 17 #include "iwl-op-mode.h" 18 #include "fw/img.h" 19 #include "iwl-debug.h" 20 #include "iwl-drv.h" 21 #include "iwl-modparams.h" 22 #include "mvm.h" 23 #include "iwl-phy-db.h" 24 #include "iwl-nvm-utils.h" 25 #include "iwl-csr.h" 26 #include "iwl-io.h" 27 #include "iwl-prph.h" 28 #include "rs.h" 29 #include "fw/api/scan.h" 30 #include "fw/api/rfi.h" 31 #include "time-event.h" 32 #include "fw-api.h" 33 #include "fw/acpi.h" 34 #include "fw/uefi.h" 35 #include "time-sync.h" 36 37 #if defined(__linux__) 38 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux" 39 MODULE_DESCRIPTION(DRV_DESCRIPTION); 40 MODULE_LICENSE("GPL"); 41 #elif defined(__FreeBSD__) 42 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN/AC/AX based driver for FreeBSD" 43 MODULE_DESCRIPTION(DRV_DESCRIPTION); 44 MODULE_LICENSE("BSD"); 45 #endif 46 MODULE_IMPORT_NS("IWLWIFI"); 47 48 static const struct iwl_op_mode_ops iwl_mvm_ops; 49 static const struct iwl_op_mode_ops iwl_mvm_ops_mq; 50 51 struct iwl_mvm_mod_params iwlmvm_mod_params = { 52 #if defined(__linux__) 53 .power_scheme = IWL_POWER_SCHEME_BPS, 54 #elif defined(__FreeBSD__) 55 .power_scheme = IWL_POWER_SCHEME_CAM, /* disable default PS */ 56 #endif 57 }; 58 59 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444); 60 MODULE_PARM_DESC(power_scheme, 61 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2"); 62 63 /* 64 * module init and exit functions 65 */ 66 static int __init iwl_mvm_init(void) 67 { 68 int ret; 69 70 ret = iwl_mvm_rate_control_register(); 71 if (ret) { 72 pr_err("Unable to register rate control algorithm: %d\n", ret); 73 return ret; 74 } 75 76 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops); 77 if (ret) { 78 pr_err("Unable to register MVM op_mode: %d\n", ret); 79 iwl_mvm_rate_control_unregister(); 80 } 81 82 return ret; 83 } 84 #if defined(__linux__) 85 module_init(iwl_mvm_init); 86 #elif defined(__FreeBSD__) 87 module_init_order(iwl_mvm_init, SI_ORDER_SECOND); 88 #endif 89 90 static void __exit iwl_mvm_exit(void) 91 { 92 iwl_opmode_deregister("iwlmvm"); 93 iwl_mvm_rate_control_unregister(); 94 } 95 module_exit(iwl_mvm_exit); 96 97 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) 98 { 99 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 100 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; 101 u32 reg_val; 102 u32 phy_config = iwl_mvm_get_phy_config(mvm); 103 104 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> 105 FW_PHY_CFG_RADIO_TYPE_POS; 106 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> 107 FW_PHY_CFG_RADIO_STEP_POS; 108 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> 109 FW_PHY_CFG_RADIO_DASH_POS; 110 111 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type, 112 radio_cfg_step, radio_cfg_dash); 113 114 if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 115 return; 116 117 /* SKU control */ 118 reg_val = CSR_HW_REV_STEP_DASH(mvm->trans->info.hw_rev); 119 120 /* radio configuration */ 121 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE; 122 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP; 123 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH; 124 125 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & 126 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); 127 128 /* 129 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC 130 * sampling, and shouldn't be set to any non-zero value. 131 * The same is supposed to be true of the other HW, but unsetting 132 * them (such as the 7260) causes automatic tests to fail on seemingly 133 * unrelated errors. Need to further investigate this, but for now 134 * we'll separate cases. 135 */ 136 if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_8000) 137 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; 138 139 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt)) 140 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG; 141 142 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, 143 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP_DASH | 144 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE | 145 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP | 146 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH | 147 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | 148 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI | 149 CSR_HW_IF_CONFIG_REG_D3_DEBUG, 150 reg_val); 151 152 /* 153 * W/A : NIC is stuck in a reset state after Early PCIe power off 154 * (PCIe power is lost before PERST# is asserted), causing ME FW 155 * to lose ownership and not being able to obtain it back. 156 */ 157 if (!mvm->trans->mac_cfg->base->apmg_not_supported) 158 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG, 159 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, 160 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); 161 } 162 163 static void iwl_mvm_rx_esr_mode_notif(struct iwl_mvm *mvm, 164 struct iwl_rx_cmd_buffer *rxb) 165 { 166 struct iwl_rx_packet *pkt = rxb_addr(rxb); 167 struct iwl_esr_mode_notif *notif = (void *)pkt->data; 168 struct ieee80211_vif *vif = iwl_mvm_get_bss_vif(mvm); 169 170 /* FW recommendations is only for entering EMLSR */ 171 if (IS_ERR_OR_NULL(vif) || iwl_mvm_vif_from_mac80211(vif)->esr_active) 172 return; 173 174 if (le32_to_cpu(notif->action) == ESR_RECOMMEND_ENTER) 175 iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW); 176 else 177 iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_FW, 178 iwl_mvm_get_primary_link(vif)); 179 } 180 181 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, 182 struct iwl_rx_cmd_buffer *rxb) 183 { 184 struct iwl_rx_packet *pkt = rxb_addr(rxb); 185 struct iwl_datapath_monitor_notif *notif = (void *)pkt->data; 186 struct ieee80211_supported_band *sband; 187 const struct ieee80211_sta_he_cap *he_cap; 188 struct ieee80211_vif *vif; 189 190 if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA)) 191 return; 192 193 /* FIXME: should fetch the link and not the vif */ 194 vif = iwl_mvm_get_vif_by_macid(mvm, notif->link_id); 195 if (!vif || vif->type != NL80211_IFTYPE_STATION) 196 return; 197 198 if (!vif->bss_conf.chanreq.oper.chan || 199 vif->bss_conf.chanreq.oper.chan->band != NL80211_BAND_2GHZ || 200 vif->bss_conf.chanreq.oper.width < NL80211_CHAN_WIDTH_40) 201 return; 202 203 if (!vif->cfg.assoc) 204 return; 205 206 /* this shouldn't happen *again*, ignore it */ 207 if (mvm->cca_40mhz_workaround) 208 return; 209 210 /* 211 * We'll decrement this on disconnect - so set to 2 since we'll 212 * still have to disconnect from the current AP first. 213 */ 214 mvm->cca_40mhz_workaround = 2; 215 216 /* 217 * This capability manipulation isn't really ideal, but it's the 218 * easiest choice - otherwise we'd have to do some major changes 219 * in mac80211 to support this, which isn't worth it. This does 220 * mean that userspace may have outdated information, but that's 221 * actually not an issue at all. 222 */ 223 sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]; 224 225 WARN_ON(!sband->ht_cap.ht_supported); 226 WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)); 227 sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 228 229 he_cap = ieee80211_get_he_iftype_cap_vif(sband, vif); 230 231 if (he_cap) { 232 /* we know that ours is writable */ 233 struct ieee80211_sta_he_cap *he = (void *)(uintptr_t)he_cap; 234 235 WARN_ON(!he->has_he); 236 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] & 237 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)); 238 he->he_cap_elem.phy_cap_info[0] &= 239 ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; 240 } 241 242 ieee80211_disconnect(vif, true); 243 } 244 245 void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, 246 struct ieee80211_bss_conf *link_conf) 247 { 248 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 249 struct iwl_mvm *mvm = mvmvif->mvm; 250 enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; 251 252 if (!link_conf) 253 return; 254 255 if (mvm->fw_static_smps_request && 256 link_conf->chanreq.oper.width == NL80211_CHAN_WIDTH_160 && 257 link_conf->he_support) 258 mode = IEEE80211_SMPS_STATIC; 259 260 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, 261 link_conf->link_id); 262 } 263 264 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, 265 struct ieee80211_vif *vif) 266 { 267 struct ieee80211_bss_conf *link_conf; 268 unsigned int link_id; 269 270 rcu_read_lock(); 271 272 for_each_vif_active_link(vif, link_conf, link_id) 273 iwl_mvm_update_link_smps(vif, link_conf); 274 275 rcu_read_unlock(); 276 } 277 278 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, 279 struct iwl_rx_cmd_buffer *rxb) 280 { 281 struct iwl_rx_packet *pkt = rxb_addr(rxb); 282 struct iwl_thermal_dual_chain_request *req = (void *)pkt->data; 283 284 /* firmware is expected to handle that in RLC offload mode */ 285 if (IWL_FW_CHECK(mvm, iwl_mvm_has_rlc_offload(mvm), 286 "Got THERMAL_DUAL_CHAIN_REQUEST (0x%x) in RLC offload mode\n", 287 req->event)) 288 return; 289 290 /* 291 * We could pass it to the iterator data, but also need to remember 292 * it for new interfaces that are added while in this state. 293 */ 294 mvm->fw_static_smps_request = 295 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE); 296 ieee80211_iterate_interfaces(mvm->hw, 297 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER, 298 iwl_mvm_intf_dual_chain_req, NULL); 299 } 300 301 /** 302 * enum iwl_rx_handler_context: context for Rx handler 303 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path 304 * which can't acquire mvm->mutex. 305 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex 306 * (and only in this case!), it should be set as ASYNC. In that case, 307 * it will be called from a worker with mvm->mutex held. 308 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the 309 * mutex itself, it will be called from a worker without mvm->mutex held. 310 * @RX_HANDLER_ASYNC_LOCKED_WIPHY: If the handler needs to hold the wiphy lock 311 * and mvm->mutex. Will be handled with the wiphy_work queue infra 312 * instead of regular work queue. 313 */ 314 enum iwl_rx_handler_context { 315 RX_HANDLER_SYNC, 316 RX_HANDLER_ASYNC_LOCKED, 317 RX_HANDLER_ASYNC_UNLOCKED, 318 RX_HANDLER_ASYNC_LOCKED_WIPHY, 319 }; 320 321 /** 322 * struct iwl_rx_handlers: handler for FW notification 323 * @cmd_id: command id 324 * @min_size: minimum size to expect for the notification 325 * @context: see &iwl_rx_handler_context 326 * @fn: the function is called when notification is received 327 */ 328 struct iwl_rx_handlers { 329 u16 cmd_id, min_size; 330 enum iwl_rx_handler_context context; 331 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 332 }; 333 334 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context) \ 335 { .cmd_id = _cmd_id, .fn = _fn, .context = _context, } 336 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context) \ 337 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, } 338 #define RX_HANDLER(_cmd_id, _fn, _context, _struct) \ 339 { .cmd_id = _cmd_id, .fn = _fn, \ 340 .context = _context, .min_size = sizeof(_struct), } 341 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct) \ 342 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, \ 343 .context = _context, .min_size = sizeof(_struct), } 344 345 /* 346 * Handlers for fw notifications 347 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME 348 * This list should be in order of frequency for performance purposes. 349 * 350 * The handler can be one from three contexts, see &iwl_rx_handler_context 351 */ 352 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { 353 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC, 354 struct iwl_tx_resp), 355 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC, 356 struct iwl_mvm_ba_notif), 357 358 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF, 359 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC, 360 struct iwl_tlc_update_notif), 361 362 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_old_notif, 363 RX_HANDLER_ASYNC_LOCKED_WIPHY, 364 struct iwl_bt_coex_prof_old_notif), 365 RX_HANDLER_GRP(BT_COEX_GROUP, PROFILE_NOTIF, iwl_mvm_rx_bt_coex_notif, 366 RX_HANDLER_ASYNC_LOCKED_WIPHY, 367 struct iwl_bt_coex_profile_notif), 368 RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, 369 RX_HANDLER_ASYNC_LOCKED), 370 RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, 371 RX_HANDLER_ASYNC_LOCKED), 372 373 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_NOTIF, 374 iwl_mvm_handle_rx_system_oper_stats, 375 RX_HANDLER_ASYNC_LOCKED_WIPHY, 376 struct iwl_system_statistics_notif_oper), 377 RX_HANDLER_GRP(STATISTICS_GROUP, STATISTICS_OPER_PART1_NOTIF, 378 iwl_mvm_handle_rx_system_oper_part1_stats, 379 RX_HANDLER_ASYNC_LOCKED, 380 struct iwl_system_statistics_part1_notif_oper), 381 RX_HANDLER_GRP(SYSTEM_GROUP, SYSTEM_STATISTICS_END_NOTIF, 382 iwl_mvm_handle_rx_system_end_stats_notif, 383 RX_HANDLER_ASYNC_LOCKED, 384 struct iwl_system_statistics_end_notif), 385 386 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID, 387 iwl_mvm_window_status_notif, RX_HANDLER_SYNC, 388 struct iwl_ba_window_status_notif), 389 390 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, 391 RX_HANDLER_SYNC, struct iwl_time_event_notif), 392 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF, 393 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC, 394 struct iwl_session_prot_notif), 395 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, 396 RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif), 397 398 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC, 399 struct iwl_mvm_eosp_notification), 400 401 RX_HANDLER(SCAN_ITERATION_COMPLETE, 402 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC, 403 struct iwl_lmac_scan_complete_notif), 404 RX_HANDLER(SCAN_OFFLOAD_COMPLETE, 405 iwl_mvm_rx_lmac_scan_complete_notif, 406 RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete), 407 RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION, 408 iwl_mvm_rx_scan_match_found, 409 RX_HANDLER_SYNC), 410 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif, 411 RX_HANDLER_ASYNC_LOCKED, 412 struct iwl_umac_scan_complete), 413 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC, 414 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC, 415 struct iwl_umac_scan_iter_complete_notif), 416 417 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, 418 iwl_mvm_rx_missed_beacons_notif_legacy, 419 RX_HANDLER_ASYNC_LOCKED_WIPHY, 420 struct iwl_missed_beacons_notif_v4), 421 422 RX_HANDLER_GRP(MAC_CONF_GROUP, MISSED_BEACONS_NOTIF, 423 iwl_mvm_rx_missed_beacons_notif, 424 RX_HANDLER_ASYNC_LOCKED_WIPHY, 425 struct iwl_missed_beacons_notif), 426 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC, 427 struct iwl_error_resp), 428 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION, 429 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC, 430 struct iwl_uapsd_misbehaving_ap_notif), 431 RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, 432 RX_HANDLER_ASYNC_LOCKED), 433 RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, 434 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), 435 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, 436 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC, 437 struct ct_kill_notif), 438 439 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, 440 RX_HANDLER_ASYNC_LOCKED, 441 struct iwl_tdls_channel_switch_notif), 442 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, 443 RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1), 444 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS, 445 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED, 446 struct iwl_ftm_responder_stats), 447 448 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF, 449 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED), 450 RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF, 451 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED), 452 453 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF, 454 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC, 455 struct iwl_mfu_assert_dump_notif), 456 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, 457 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC, 458 struct iwl_stored_beacon_notif_v2), 459 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF, 460 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC, 461 struct iwl_mu_group_mgmt_notif), 462 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF, 463 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC, 464 struct iwl_mvm_pm_state_notification), 465 RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF, 466 iwl_mvm_probe_resp_data_notif, 467 RX_HANDLER_ASYNC_LOCKED, 468 struct iwl_probe_resp_data_notif), 469 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_START_NOTIF, 470 iwl_mvm_channel_switch_start_notif, 471 RX_HANDLER_SYNC, struct iwl_channel_switch_start_notif), 472 RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_ERROR_NOTIF, 473 iwl_mvm_channel_switch_error_notif, 474 RX_HANDLER_ASYNC_UNLOCKED, 475 struct iwl_channel_switch_error_notif), 476 477 RX_HANDLER_GRP(DATA_PATH_GROUP, ESR_MODE_NOTIF, 478 iwl_mvm_rx_esr_mode_notif, 479 RX_HANDLER_ASYNC_LOCKED_WIPHY, 480 struct iwl_esr_mode_notif), 481 482 RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF, 483 iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED, 484 struct iwl_datapath_monitor_notif), 485 486 RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST, 487 iwl_mvm_rx_thermal_dual_chain_req, 488 RX_HANDLER_ASYNC_LOCKED, 489 struct iwl_thermal_dual_chain_request), 490 491 RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF, 492 iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED, 493 struct iwl_rfi_deactivate_notif), 494 495 RX_HANDLER_GRP(LEGACY_GROUP, 496 WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION, 497 iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC, 498 struct iwl_time_msmt_notify), 499 RX_HANDLER_GRP(LEGACY_GROUP, 500 WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION, 501 iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC, 502 struct iwl_time_msmt_cfm_notify), 503 RX_HANDLER_GRP(MAC_CONF_GROUP, ROC_NOTIF, 504 iwl_mvm_rx_roc_notif, RX_HANDLER_ASYNC_LOCKED, 505 struct iwl_roc_notif), 506 RX_HANDLER_GRP(SCAN_GROUP, CHANNEL_SURVEY_NOTIF, 507 iwl_mvm_rx_channel_survey_notif, RX_HANDLER_ASYNC_LOCKED, 508 struct iwl_umac_scan_channel_survey_notif), 509 RX_HANDLER_GRP(DATA_PATH_GROUP, BEACON_FILTER_IN_NOTIF, 510 iwl_mvm_rx_beacon_filter_notif, 511 RX_HANDLER_ASYNC_LOCKED, 512 /* same size as v1 */ 513 struct iwl_beacon_filter_notif), 514 }; 515 #undef RX_HANDLER 516 #undef RX_HANDLER_GRP 517 518 /* Please keep this array *SORTED* by hex value. 519 * Access is done through binary search 520 */ 521 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = { 522 HCMD_NAME(UCODE_ALIVE_NTFY), 523 HCMD_NAME(REPLY_ERROR), 524 HCMD_NAME(ECHO_CMD), 525 HCMD_NAME(INIT_COMPLETE_NOTIF), 526 HCMD_NAME(PHY_CONTEXT_CMD), 527 HCMD_NAME(DBG_CFG), 528 HCMD_NAME(SCAN_CFG_CMD), 529 HCMD_NAME(SCAN_REQ_UMAC), 530 HCMD_NAME(SCAN_ABORT_UMAC), 531 HCMD_NAME(SCAN_COMPLETE_UMAC), 532 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID), 533 HCMD_NAME(ADD_STA_KEY), 534 HCMD_NAME(ADD_STA), 535 HCMD_NAME(REMOVE_STA), 536 HCMD_NAME(TX_CMD), 537 HCMD_NAME(SCD_QUEUE_CFG), 538 HCMD_NAME(TXPATH_FLUSH), 539 HCMD_NAME(MGMT_MCAST_KEY), 540 HCMD_NAME(WEP_KEY), 541 HCMD_NAME(SHARED_MEM_CFG), 542 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD), 543 HCMD_NAME(MAC_CONTEXT_CMD), 544 HCMD_NAME(TIME_EVENT_CMD), 545 HCMD_NAME(TIME_EVENT_NOTIFICATION), 546 HCMD_NAME(BINDING_CONTEXT_CMD), 547 HCMD_NAME(TIME_QUOTA_CMD), 548 HCMD_NAME(NON_QOS_TX_COUNTER_CMD), 549 HCMD_NAME(LEDS_CMD), 550 HCMD_NAME(LQ_CMD), 551 HCMD_NAME(FW_PAGING_BLOCK_CMD), 552 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD), 553 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD), 554 HCMD_NAME(HOT_SPOT_CMD), 555 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD), 556 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP), 557 HCMD_NAME(BT_COEX_CI), 558 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION), 559 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION), 560 HCMD_NAME(PHY_CONFIGURATION_CMD), 561 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB), 562 HCMD_NAME(PHY_DB_CMD), 563 HCMD_NAME(SCAN_OFFLOAD_COMPLETE), 564 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), 565 HCMD_NAME(POWER_TABLE_CMD), 566 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), 567 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF), 568 HCMD_NAME(NVM_ACCESS_CMD), 569 HCMD_NAME(BEACON_NOTIFICATION), 570 HCMD_NAME(BEACON_TEMPLATE_CMD), 571 HCMD_NAME(TX_ANT_CONFIGURATION_CMD), 572 HCMD_NAME(BT_CONFIG), 573 HCMD_NAME(STATISTICS_CMD), 574 HCMD_NAME(STATISTICS_NOTIFICATION), 575 HCMD_NAME(EOSP_NOTIFICATION), 576 HCMD_NAME(REDUCE_TX_POWER_CMD), 577 HCMD_NAME(MISSED_BEACONS_NOTIFICATION), 578 HCMD_NAME(TDLS_CONFIG_CMD), 579 HCMD_NAME(MAC_PM_POWER_TABLE), 580 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION), 581 HCMD_NAME(MFUART_LOAD_NOTIFICATION), 582 HCMD_NAME(RSS_CONFIG_CMD), 583 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC), 584 HCMD_NAME(REPLY_RX_PHY_CMD), 585 HCMD_NAME(REPLY_RX_MPDU_CMD), 586 HCMD_NAME(BAR_FRAME_RELEASE), 587 HCMD_NAME(FRAME_RELEASE), 588 HCMD_NAME(BA_NOTIF), 589 HCMD_NAME(MCC_UPDATE_CMD), 590 HCMD_NAME(MCC_CHUB_UPDATE_CMD), 591 HCMD_NAME(MARKER_CMD), 592 HCMD_NAME(BT_PROFILE_NOTIFICATION), 593 HCMD_NAME(MCAST_FILTER_CMD), 594 HCMD_NAME(REPLY_SF_CFG_CMD), 595 HCMD_NAME(REPLY_BEACON_FILTERING_CMD), 596 HCMD_NAME(D3_CONFIG_CMD), 597 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD), 598 HCMD_NAME(MATCH_FOUND_NOTIFICATION), 599 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION), 600 HCMD_NAME(WOWLAN_PATTERNS), 601 HCMD_NAME(WOWLAN_CONFIGURATION), 602 HCMD_NAME(WOWLAN_TSC_RSC_PARAM), 603 HCMD_NAME(WOWLAN_TKIP_PARAM), 604 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL), 605 HCMD_NAME(WOWLAN_GET_STATUSES), 606 HCMD_NAME(SCAN_ITERATION_COMPLETE), 607 HCMD_NAME(D0I3_END_CMD), 608 HCMD_NAME(LTR_CONFIG), 609 HCMD_NAME(LDBG_CONFIG_CMD), 610 HCMD_NAME(DEBUG_LOG_MSG), 611 }; 612 613 /* Please keep this array *SORTED* by hex value. 614 * Access is done through binary search 615 */ 616 static const struct iwl_hcmd_names iwl_mvm_system_names[] = { 617 HCMD_NAME(SHARED_MEM_CFG_CMD), 618 HCMD_NAME(SOC_CONFIGURATION_CMD), 619 HCMD_NAME(INIT_EXTENDED_CFG_CMD), 620 HCMD_NAME(FW_ERROR_RECOVERY_CMD), 621 HCMD_NAME(RFI_CONFIG_CMD), 622 HCMD_NAME(RFI_GET_FREQ_TABLE_CMD), 623 HCMD_NAME(SYSTEM_FEATURES_CONTROL_CMD), 624 HCMD_NAME(SYSTEM_STATISTICS_CMD), 625 HCMD_NAME(SYSTEM_STATISTICS_END_NOTIF), 626 HCMD_NAME(RFI_DEACTIVATE_NOTIF), 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_mac_conf_names[] = { 633 HCMD_NAME(LOW_LATENCY_CMD), 634 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD), 635 HCMD_NAME(SESSION_PROTECTION_CMD), 636 HCMD_NAME(CANCEL_CHANNEL_SWITCH_CMD), 637 HCMD_NAME(MAC_CONFIG_CMD), 638 HCMD_NAME(LINK_CONFIG_CMD), 639 HCMD_NAME(STA_CONFIG_CMD), 640 HCMD_NAME(AUX_STA_CMD), 641 HCMD_NAME(STA_REMOVE_CMD), 642 HCMD_NAME(STA_DISABLE_TX_CMD), 643 HCMD_NAME(ROC_CMD), 644 HCMD_NAME(ROC_NOTIF), 645 HCMD_NAME(CHANNEL_SWITCH_ERROR_NOTIF), 646 HCMD_NAME(MISSED_VAP_NOTIF), 647 HCMD_NAME(SESSION_PROTECTION_NOTIF), 648 HCMD_NAME(PROBE_RESPONSE_DATA_NOTIF), 649 HCMD_NAME(CHANNEL_SWITCH_START_NOTIF), 650 }; 651 652 /* Please keep this array *SORTED* by hex value. 653 * Access is done through binary search 654 */ 655 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { 656 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE), 657 HCMD_NAME(CTDP_CONFIG_CMD), 658 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD), 659 HCMD_NAME(PER_CHAIN_LIMIT_OFFSET_CMD), 660 HCMD_NAME(AP_TX_POWER_CONSTRAINTS_CMD), 661 HCMD_NAME(CT_KILL_NOTIFICATION), 662 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), 663 }; 664 665 /* Please keep this array *SORTED* by hex value. 666 * Access is done through binary search 667 */ 668 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = { 669 HCMD_NAME(DQA_ENABLE_CMD), 670 HCMD_NAME(UPDATE_MU_GROUPS_CMD), 671 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD), 672 HCMD_NAME(WNM_PLATFORM_PTM_REQUEST_CMD), 673 HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD), 674 HCMD_NAME(STA_HE_CTXT_CMD), 675 HCMD_NAME(RLC_CONFIG_CMD), 676 HCMD_NAME(RFH_QUEUE_CONFIG_CMD), 677 HCMD_NAME(TLC_MNG_CONFIG_CMD), 678 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD), 679 HCMD_NAME(SCD_QUEUE_CONFIG_CMD), 680 HCMD_NAME(SEC_KEY_CMD), 681 HCMD_NAME(ESR_MODE_NOTIF), 682 HCMD_NAME(MONITOR_NOTIF), 683 HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST), 684 HCMD_NAME(BEACON_FILTER_IN_NOTIF), 685 HCMD_NAME(STA_PM_NOTIF), 686 HCMD_NAME(MU_GROUP_MGMT_NOTIF), 687 HCMD_NAME(RX_QUEUES_NOTIFICATION), 688 }; 689 690 /* Please keep this array *SORTED* by hex value. 691 * Access is done through binary search 692 */ 693 static const struct iwl_hcmd_names iwl_mvm_statistics_names[] = { 694 HCMD_NAME(STATISTICS_OPER_NOTIF), 695 HCMD_NAME(STATISTICS_OPER_PART1_NOTIF), 696 }; 697 698 /* Please keep this array *SORTED* by hex value. 699 * Access is done through binary search 700 */ 701 static const struct iwl_hcmd_names iwl_mvm_debug_names[] = { 702 HCMD_NAME(LMAC_RD_WR), 703 HCMD_NAME(UMAC_RD_WR), 704 HCMD_NAME(HOST_EVENT_CFG), 705 HCMD_NAME(DBGC_SUSPEND_RESUME), 706 HCMD_NAME(BUFFER_ALLOCATION), 707 HCMD_NAME(GET_TAS_STATUS), 708 HCMD_NAME(FW_DUMP_COMPLETE_CMD), 709 HCMD_NAME(FW_CLEAR_BUFFER), 710 HCMD_NAME(MFU_ASSERT_DUMP_NTF), 711 }; 712 713 /* Please keep this array *SORTED* by hex value. 714 * Access is done through binary search 715 */ 716 static const struct iwl_hcmd_names iwl_mvm_scan_names[] = { 717 HCMD_NAME(CHANNEL_SURVEY_NOTIF), 718 HCMD_NAME(OFFLOAD_MATCH_INFO_NOTIF), 719 }; 720 721 /* Please keep this array *SORTED* by hex value. 722 * Access is done through binary search 723 */ 724 static const struct iwl_hcmd_names iwl_mvm_location_names[] = { 725 HCMD_NAME(TOF_RANGE_REQ_CMD), 726 HCMD_NAME(TOF_CONFIG_CMD), 727 HCMD_NAME(TOF_RANGE_ABORT_CMD), 728 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD), 729 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD), 730 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD), 731 HCMD_NAME(TOF_LC_NOTIF), 732 HCMD_NAME(TOF_RESPONDER_STATS), 733 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF), 734 HCMD_NAME(TOF_RANGE_RESPONSE_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_prot_offload_names[] = { 741 HCMD_NAME(WOWLAN_WAKE_PKT_NOTIFICATION), 742 HCMD_NAME(WOWLAN_INFO_NOTIFICATION), 743 HCMD_NAME(D3_END_NOTIFICATION), 744 HCMD_NAME(STORED_BEACON_NTF), 745 }; 746 747 /* Please keep this array *SORTED* by hex value. 748 * Access is done through binary search 749 */ 750 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = { 751 HCMD_NAME(NVM_ACCESS_COMPLETE), 752 HCMD_NAME(NVM_GET_INFO), 753 HCMD_NAME(TAS_CONFIG), 754 }; 755 756 /* Please keep this array *SORTED* by hex value. 757 * Access is done through binary search 758 */ 759 static const struct iwl_hcmd_names iwl_mvm_bt_coex_names[] = { 760 HCMD_NAME(PROFILE_NOTIF), 761 }; 762 763 VISIBLE_IF_IWLWIFI_KUNIT 764 const struct iwl_hcmd_arr iwl_mvm_groups[] = { 765 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 766 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), 767 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names), 768 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names), 769 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), 770 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names), 771 [SCAN_GROUP] = HCMD_ARR(iwl_mvm_scan_names), 772 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names), 773 [BT_COEX_GROUP] = HCMD_ARR(iwl_mvm_bt_coex_names), 774 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), 775 [REGULATORY_AND_NVM_GROUP] = 776 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names), 777 [DEBUG_GROUP] = HCMD_ARR(iwl_mvm_debug_names), 778 [STATISTICS_GROUP] = HCMD_ARR(iwl_mvm_statistics_names), 779 }; 780 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups); 781 #if IS_ENABLED(CONFIG_IWLWIFI_KUNIT_TESTS) 782 const unsigned int iwl_mvm_groups_size = ARRAY_SIZE(iwl_mvm_groups); 783 EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_mvm_groups_size); 784 #endif 785 786 /* this forward declaration can avoid to export the function */ 787 static void iwl_mvm_async_handlers_wk(struct work_struct *wk); 788 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 789 struct wiphy_work *work); 790 791 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm) 792 { 793 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs; 794 u64 dflt_pwr_limit; 795 796 if (!backoff) 797 return 0; 798 799 iwl_bios_get_pwr_limit(&mvm->fwrt, &dflt_pwr_limit); 800 801 while (backoff->pwr) { 802 if (dflt_pwr_limit >= backoff->pwr) 803 return backoff->backoff; 804 805 backoff++; 806 } 807 808 return 0; 809 } 810 811 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) 812 { 813 struct iwl_mvm *mvm = 814 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); 815 struct ieee80211_vif *tx_blocked_vif; 816 struct iwl_mvm_vif *mvmvif; 817 818 guard(mvm)(mvm); 819 820 tx_blocked_vif = 821 rcu_dereference_protected(mvm->csa_tx_blocked_vif, 822 lockdep_is_held(&mvm->mutex)); 823 824 if (!tx_blocked_vif) 825 return; 826 827 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); 828 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); 829 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); 830 } 831 832 static void iwl_mvm_fwrt_dump_start(void *ctx) 833 { 834 struct iwl_mvm *mvm = ctx; 835 836 mutex_lock(&mvm->mutex); 837 } 838 839 static void iwl_mvm_fwrt_dump_end(void *ctx) 840 { 841 struct iwl_mvm *mvm = ctx; 842 843 mutex_unlock(&mvm->mutex); 844 } 845 846 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) 847 { 848 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; 849 850 guard(mvm)(mvm); 851 return iwl_mvm_send_cmd(mvm, host_cmd); 852 } 853 854 static bool iwl_mvm_d3_debug_enable(void *ctx) 855 { 856 return IWL_MVM_D3_DEBUG; 857 } 858 859 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { 860 .dump_start = iwl_mvm_fwrt_dump_start, 861 .dump_end = iwl_mvm_fwrt_dump_end, 862 .send_hcmd = iwl_mvm_fwrt_send_hcmd, 863 .d3_debug_enable = iwl_mvm_d3_debug_enable, 864 }; 865 866 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm) 867 { 868 struct iwl_trans *trans = mvm->trans; 869 int ret; 870 871 if (trans->csme_own) { 872 if (WARN(!mvm->mei_registered, 873 "csme is owner, but we aren't registered to iwlmei\n")) 874 goto get_nvm_from_fw; 875 876 mvm->mei_nvm_data = iwl_mei_get_nvm(); 877 if (mvm->mei_nvm_data) { 878 /* 879 * mvm->mei_nvm_data is set and because of that, 880 * we'll load the NVM from the FW when we'll get 881 * ownership. 882 */ 883 mvm->nvm_data = 884 iwl_parse_mei_nvm_data(trans, trans->cfg, 885 mvm->mei_nvm_data, 886 mvm->fw, 887 mvm->set_tx_ant, 888 mvm->set_rx_ant); 889 return 0; 890 } 891 892 IWL_ERR(mvm, 893 "Got a NULL NVM from CSME, trying to get it from the device\n"); 894 } 895 896 get_nvm_from_fw: 897 rtnl_lock(); 898 wiphy_lock(mvm->hw->wiphy); 899 mutex_lock(&mvm->mutex); 900 901 ret = iwl_trans_start_hw(mvm->trans); 902 if (ret) { 903 mutex_unlock(&mvm->mutex); 904 wiphy_unlock(mvm->hw->wiphy); 905 rtnl_unlock(); 906 return ret; 907 } 908 909 ret = iwl_run_init_mvm_ucode(mvm); 910 if (ret && ret != -ERFKILL) 911 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER); 912 if (!ret && iwl_mvm_is_lar_supported(mvm)) { 913 mvm->hw->wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; 914 ret = iwl_mvm_init_mcc(mvm); 915 } 916 917 iwl_mvm_stop_device(mvm); 918 919 mutex_unlock(&mvm->mutex); 920 wiphy_unlock(mvm->hw->wiphy); 921 rtnl_unlock(); 922 923 if (ret) 924 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); 925 926 /* no longer need this regardless of failure or not */ 927 mvm->fw_product_reset = false; 928 929 return ret; 930 } 931 932 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 933 { 934 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 935 int ret; 936 937 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 938 939 ret = iwl_mvm_mac_setup_register(mvm); 940 if (ret) 941 return ret; 942 943 mvm->hw_registered = true; 944 945 iwl_mvm_dbgfs_register(mvm); 946 947 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 948 mvm->mei_rfkill_blocked, 949 RFKILL_HARD_BLOCK_NOT_OWNER); 950 951 iwl_mvm_mei_set_sw_rfkill_state(mvm); 952 953 return 0; 954 } 955 956 struct iwl_mvm_frob_txf_data { 957 u8 *buf; 958 size_t buflen; 959 }; 960 961 static void iwl_mvm_frob_txf_key_iter(struct ieee80211_hw *hw, 962 struct ieee80211_vif *vif, 963 struct ieee80211_sta *sta, 964 struct ieee80211_key_conf *key, 965 void *data) 966 { 967 struct iwl_mvm_frob_txf_data *txf = data; 968 u8 keylen, match, matchend; 969 u8 *keydata; 970 size_t i; 971 972 switch (key->cipher) { 973 case WLAN_CIPHER_SUITE_CCMP: 974 keydata = key->key; 975 keylen = key->keylen; 976 break; 977 case WLAN_CIPHER_SUITE_WEP40: 978 case WLAN_CIPHER_SUITE_WEP104: 979 case WLAN_CIPHER_SUITE_TKIP: 980 /* 981 * WEP has short keys which might show up in the payload, 982 * and then you can deduce the key, so in this case just 983 * remove all FIFO data. 984 * For TKIP, we don't know the phase 2 keys here, so same. 985 */ 986 memset(txf->buf, 0xBB, txf->buflen); 987 return; 988 default: 989 return; 990 } 991 992 /* scan for key material and clear it out */ 993 match = 0; 994 for (i = 0; i < txf->buflen; i++) { 995 if (txf->buf[i] != keydata[match]) { 996 match = 0; 997 continue; 998 } 999 match++; 1000 if (match == keylen) { 1001 memset(txf->buf + i - keylen, 0xAA, keylen); 1002 match = 0; 1003 } 1004 } 1005 1006 /* we're dealing with a FIFO, so check wrapped around data */ 1007 matchend = match; 1008 for (i = 0; match && i < keylen - match; i++) { 1009 if (txf->buf[i] != keydata[match]) 1010 break; 1011 match++; 1012 if (match == keylen) { 1013 memset(txf->buf, 0xAA, i + 1); 1014 memset(txf->buf + txf->buflen - matchend, 0xAA, 1015 matchend); 1016 break; 1017 } 1018 } 1019 } 1020 1021 static void iwl_mvm_frob_txf(void *ctx, void *buf, size_t buflen) 1022 { 1023 struct iwl_mvm_frob_txf_data txf = { 1024 .buf = buf, 1025 .buflen = buflen, 1026 }; 1027 struct iwl_mvm *mvm = ctx; 1028 1029 /* embedded key material exists only on old API */ 1030 if (iwl_mvm_has_new_tx_api(mvm)) 1031 return; 1032 1033 rcu_read_lock(); 1034 ieee80211_iter_keys_rcu(mvm->hw, NULL, iwl_mvm_frob_txf_key_iter, &txf); 1035 rcu_read_unlock(); 1036 } 1037 1038 static void iwl_mvm_frob_hcmd(void *ctx, void *hcmd, size_t len) 1039 { 1040 /* we only use wide headers for commands */ 1041 struct iwl_cmd_header_wide *hdr = hcmd; 1042 unsigned int frob_start = sizeof(*hdr), frob_end = 0; 1043 1044 if (len < sizeof(hdr)) 1045 return; 1046 1047 /* all the commands we care about are in LONG_GROUP */ 1048 if (hdr->group_id != LONG_GROUP) 1049 return; 1050 1051 switch (hdr->cmd) { 1052 case WEP_KEY: 1053 case WOWLAN_TKIP_PARAM: 1054 case WOWLAN_KEK_KCK_MATERIAL: 1055 case ADD_STA_KEY: 1056 /* 1057 * blank out everything here, easier than dealing 1058 * with the various versions of the command 1059 */ 1060 frob_end = INT_MAX; 1061 break; 1062 case MGMT_MCAST_KEY: 1063 frob_start = offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1064 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) != 1065 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1066 1067 frob_end = offsetofend(struct iwl_mvm_mgmt_mcast_key_cmd, igtk); 1068 BUILD_BUG_ON(offsetof(struct iwl_mvm_mgmt_mcast_key_cmd, igtk) < 1069 offsetof(struct iwl_mvm_mgmt_mcast_key_cmd_v1, igtk)); 1070 break; 1071 } 1072 1073 if (frob_start >= frob_end) 1074 return; 1075 1076 if (frob_end > len) 1077 frob_end = len; 1078 1079 memset((u8 *)hcmd + frob_start, 0xAA, frob_end - frob_start); 1080 } 1081 1082 static void iwl_mvm_frob_mem(void *ctx, u32 mem_addr, void *mem, size_t buflen) 1083 { 1084 const struct iwl_dump_exclude *excl; 1085 struct iwl_mvm *mvm = ctx; 1086 int i; 1087 1088 switch (mvm->fwrt.cur_fw_img) { 1089 case IWL_UCODE_INIT: 1090 default: 1091 /* not relevant */ 1092 return; 1093 case IWL_UCODE_REGULAR: 1094 case IWL_UCODE_REGULAR_USNIFFER: 1095 excl = mvm->fw->dump_excl; 1096 break; 1097 case IWL_UCODE_WOWLAN: 1098 excl = mvm->fw->dump_excl_wowlan; 1099 break; 1100 } 1101 1102 BUILD_BUG_ON(sizeof(mvm->fw->dump_excl) != 1103 sizeof(mvm->fw->dump_excl_wowlan)); 1104 1105 for (i = 0; i < ARRAY_SIZE(mvm->fw->dump_excl); i++) { 1106 u32 start, end; 1107 1108 if (!excl[i].addr || !excl[i].size) 1109 continue; 1110 1111 start = excl[i].addr; 1112 end = start + excl[i].size; 1113 1114 if (end <= mem_addr || start >= mem_addr + buflen) 1115 continue; 1116 1117 if (start < mem_addr) 1118 start = mem_addr; 1119 1120 if (end > mem_addr + buflen) 1121 end = mem_addr + buflen; 1122 1123 memset((u8 *)mem + start - mem_addr, 0xAA, end - start); 1124 } 1125 } 1126 1127 static const struct iwl_dump_sanitize_ops iwl_mvm_sanitize_ops = { 1128 .frob_txf = iwl_mvm_frob_txf, 1129 .frob_hcmd = iwl_mvm_frob_hcmd, 1130 .frob_mem = iwl_mvm_frob_mem, 1131 }; 1132 1133 #if IS_ENABLED(CONFIG_IWLMEI) 1134 static void iwl_mvm_me_conn_status(void *priv, const struct iwl_mei_conn_info *conn_info) 1135 { 1136 struct iwl_mvm *mvm = priv; 1137 struct iwl_mvm_csme_conn_info *prev_conn_info, *curr_conn_info; 1138 1139 /* 1140 * This is protected by the guarantee that this function will not be 1141 * called twice on two different threads 1142 */ 1143 prev_conn_info = rcu_dereference_protected(mvm->csme_conn_info, true); 1144 1145 curr_conn_info = kzalloc(sizeof(*curr_conn_info), GFP_KERNEL); 1146 if (!curr_conn_info) 1147 return; 1148 1149 curr_conn_info->conn_info = *conn_info; 1150 1151 rcu_assign_pointer(mvm->csme_conn_info, curr_conn_info); 1152 1153 if (prev_conn_info) 1154 kfree_rcu(prev_conn_info, rcu_head); 1155 } 1156 1157 static void iwl_mvm_mei_rfkill(void *priv, bool blocked, 1158 bool csme_taking_ownership) 1159 { 1160 struct iwl_mvm *mvm = priv; 1161 1162 if (blocked && !csme_taking_ownership) 1163 return; 1164 1165 mvm->mei_rfkill_blocked = blocked; 1166 if (!mvm->hw_registered) 1167 return; 1168 1169 wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, 1170 mvm->mei_rfkill_blocked, 1171 RFKILL_HARD_BLOCK_NOT_OWNER); 1172 } 1173 1174 static void iwl_mvm_mei_roaming_forbidden(void *priv, bool forbidden) 1175 { 1176 struct iwl_mvm *mvm = priv; 1177 1178 if (!mvm->hw_registered || !mvm->csme_vif) 1179 return; 1180 1181 iwl_mvm_send_roaming_forbidden_event(mvm, mvm->csme_vif, forbidden); 1182 } 1183 #endif 1184 1185 static void iwl_mvm_sap_connected_wk(struct work_struct *wk) 1186 { 1187 struct iwl_mvm *mvm = 1188 container_of(wk, struct iwl_mvm, sap_connected_wk); 1189 int ret; 1190 1191 ret = iwl_mvm_start_get_nvm(mvm); 1192 if (ret) 1193 goto out_free; 1194 1195 ret = iwl_mvm_start_post_nvm(mvm); 1196 if (ret) 1197 goto out_free; 1198 1199 return; 1200 1201 out_free: 1202 IWL_ERR(mvm, "Couldn't get started...\n"); 1203 iwl_mei_start_unregister(); 1204 iwl_mei_unregister_complete(); 1205 iwl_fw_flush_dumps(&mvm->fwrt); 1206 iwl_mvm_thermal_exit(mvm); 1207 iwl_fw_runtime_free(&mvm->fwrt); 1208 iwl_phy_db_free(mvm->phy_db); 1209 kfree(mvm->scan_cmd); 1210 iwl_trans_op_mode_leave(mvm->trans); 1211 kfree(mvm->nvm_data); 1212 kfree(mvm->mei_nvm_data); 1213 1214 ieee80211_free_hw(mvm->hw); 1215 } 1216 1217 #if IS_ENABLED(CONFIG_IWLMEI) 1218 static void iwl_mvm_mei_sap_connected(void *priv) 1219 { 1220 struct iwl_mvm *mvm = priv; 1221 1222 if (!mvm->hw_registered) 1223 schedule_work(&mvm->sap_connected_wk); 1224 } 1225 1226 static void iwl_mvm_mei_nic_stolen(void *priv) 1227 { 1228 struct iwl_mvm *mvm = priv; 1229 1230 rtnl_lock(); 1231 cfg80211_shutdown_all_interfaces(mvm->hw->wiphy); 1232 rtnl_unlock(); 1233 } 1234 1235 static const struct iwl_mei_ops mei_ops = { 1236 .me_conn_status = iwl_mvm_me_conn_status, 1237 .rfkill = iwl_mvm_mei_rfkill, 1238 .roaming_forbidden = iwl_mvm_mei_roaming_forbidden, 1239 .sap_connected = iwl_mvm_mei_sap_connected, 1240 .nic_stolen = iwl_mvm_mei_nic_stolen, 1241 }; 1242 #endif 1243 1244 static void iwl_mvm_find_link_selection_vif(void *_data, u8 *mac, 1245 struct ieee80211_vif *vif) 1246 { 1247 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 1248 1249 if (ieee80211_vif_is_mld(vif) && mvmvif->authorized) 1250 iwl_mvm_select_links(mvmvif->mvm, vif); 1251 } 1252 1253 static void iwl_mvm_trig_link_selection(struct wiphy *wiphy, 1254 struct wiphy_work *wk) 1255 { 1256 struct iwl_mvm *mvm = 1257 container_of(wk, struct iwl_mvm, trig_link_selection_wk); 1258 1259 mutex_lock(&mvm->mutex); 1260 ieee80211_iterate_active_interfaces(mvm->hw, 1261 IEEE80211_IFACE_ITER_NORMAL, 1262 iwl_mvm_find_link_selection_vif, 1263 NULL); 1264 mutex_unlock(&mvm->mutex); 1265 } 1266 1267 static struct iwl_op_mode * 1268 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_rf_cfg *cfg, 1269 const struct iwl_fw *fw, struct dentry *dbgfs_dir) 1270 { 1271 struct ieee80211_hw *hw; 1272 struct iwl_op_mode *op_mode; 1273 struct iwl_mvm *mvm; 1274 static const u8 no_reclaim_cmds[] = { 1275 TX_CMD, 1276 }; 1277 u32 max_agg; 1278 size_t scan_size; 1279 u32 min_backoff; 1280 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 1281 int ratecheck; 1282 int err; 1283 1284 /* 1285 * We use IWL_STATION_COUNT_MAX to check the validity of the station 1286 * index all over the driver - check that its value corresponds to the 1287 * array size. 1288 */ 1289 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != 1290 IWL_STATION_COUNT_MAX); 1291 1292 /******************************** 1293 * 1. Allocating and configuring HW data 1294 ********************************/ 1295 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + 1296 sizeof(struct iwl_mvm), 1297 iwl_mvm_has_mld_api(fw) ? &iwl_mvm_mld_hw_ops : 1298 &iwl_mvm_hw_ops); 1299 if (!hw) 1300 return ERR_PTR(-ENOMEM); 1301 1302 if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) 1303 max_agg = 512; 1304 else 1305 max_agg = IEEE80211_MAX_AMPDU_BUF_HE; 1306 1307 hw->max_rx_aggregation_subframes = max_agg; 1308 1309 op_mode = hw->priv; 1310 1311 mvm = IWL_OP_MODE_GET_MVM(op_mode); 1312 mvm->dev = trans->dev; 1313 mvm->trans = trans; 1314 mvm->cfg = cfg; 1315 mvm->fw = fw; 1316 mvm->hw = hw; 1317 1318 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm, 1319 &iwl_mvm_sanitize_ops, mvm, dbgfs_dir); 1320 1321 iwl_mvm_get_bios_tables(mvm); 1322 iwl_uefi_get_sgom_table(trans, &mvm->fwrt); 1323 iwl_uefi_get_step_table(trans); 1324 iwl_bios_setup_step(trans, &mvm->fwrt); 1325 1326 mvm->init_status = 0; 1327 1328 /* start with v1 rates */ 1329 mvm->fw_rates_ver = 1; 1330 1331 /* check for rates version 2 */ 1332 ratecheck = 1333 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 8) + 1334 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1335 TLC_MNG_UPDATE_NOTIF, 0) >= 3) + 1336 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 1337 REPLY_RX_MPDU_CMD, 0) >= 4) + 1338 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 6); 1339 if (ratecheck != 0 && ratecheck != 4) { 1340 IWL_ERR(mvm, "Firmware has inconsistent rates\n"); 1341 err = -EINVAL; 1342 goto out_free; 1343 } 1344 if (ratecheck == 4) 1345 mvm->fw_rates_ver = 2; 1346 1347 /* check for rates version 3 */ 1348 ratecheck = 1349 (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 11) + 1350 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1351 TLC_MNG_UPDATE_NOTIF, 0) >= 4) + 1352 (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 1353 REPLY_RX_MPDU_CMD, 0) >= 6) + 1354 (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, 1355 RX_NO_DATA_NOTIF, 0) >= 4) + 1356 (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 9); 1357 if (ratecheck != 0 && ratecheck != 5) { 1358 IWL_ERR(mvm, "Firmware has inconsistent rates\n"); 1359 err = -EINVAL; 1360 goto out_free; 1361 } 1362 if (ratecheck == 5) 1363 mvm->fw_rates_ver = 3; 1364 1365 trans->conf.rx_mpdu_cmd = REPLY_RX_MPDU_CMD; 1366 1367 if (iwl_mvm_has_new_rx_api(mvm)) { 1368 op_mode->ops = &iwl_mvm_ops_mq; 1369 trans->conf.rx_mpdu_cmd_hdr_size = 1370 (trans->mac_cfg->device_family >= 1371 IWL_DEVICE_FAMILY_AX210) ? 1372 sizeof(struct iwl_rx_mpdu_desc) : 1373 IWL_RX_DESC_SIZE_V1; 1374 } else { 1375 op_mode->ops = &iwl_mvm_ops; 1376 trans->conf.rx_mpdu_cmd_hdr_size = 1377 sizeof(struct iwl_rx_mpdu_res_start); 1378 1379 if (WARN_ON(trans->info.num_rxqs > 1)) { 1380 err = -EINVAL; 1381 goto out_free; 1382 } 1383 } 1384 1385 if (iwl_mvm_has_new_tx_api(mvm)) { 1386 /* 1387 * If we have the new TX/queue allocation API initialize them 1388 * all to invalid numbers. We'll rewrite the ones that we need 1389 * later, but that doesn't happen for all of them all of the 1390 * time (e.g. P2P Device is optional), and if a dynamic queue 1391 * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then 1392 * iwl_mvm_is_static_queue() erroneously returns true, and we 1393 * might have things getting stuck. 1394 */ 1395 mvm->aux_queue = IWL_MVM_INVALID_QUEUE; 1396 mvm->snif_queue = IWL_MVM_INVALID_QUEUE; 1397 mvm->probe_queue = IWL_MVM_INVALID_QUEUE; 1398 mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE; 1399 } else { 1400 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; 1401 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE; 1402 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; 1403 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; 1404 } 1405 1406 mvm->sf_state = SF_UNINIT; 1407 if (iwl_mvm_has_unified_ucode(mvm)) 1408 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR); 1409 else 1410 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT); 1411 mvm->drop_bcn_ap_mode = true; 1412 1413 mutex_init(&mvm->mutex); 1414 spin_lock_init(&mvm->async_handlers_lock); 1415 INIT_LIST_HEAD(&mvm->time_event_list); 1416 INIT_LIST_HEAD(&mvm->aux_roc_te_list); 1417 INIT_LIST_HEAD(&mvm->async_handlers_list); 1418 spin_lock_init(&mvm->time_event_lock); 1419 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list); 1420 INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list); 1421 INIT_LIST_HEAD(&mvm->resp_pasn_list); 1422 1423 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); 1424 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); 1425 INIT_WORK(&mvm->sap_connected_wk, iwl_mvm_sap_connected_wk); 1426 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); 1427 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); 1428 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); 1429 INIT_LIST_HEAD(&mvm->add_stream_txqs); 1430 spin_lock_init(&mvm->add_stream_lock); 1431 1432 wiphy_work_init(&mvm->async_handlers_wiphy_wk, 1433 iwl_mvm_async_handlers_wiphy_wk); 1434 1435 wiphy_work_init(&mvm->trig_link_selection_wk, 1436 iwl_mvm_trig_link_selection); 1437 1438 init_waitqueue_head(&mvm->rx_sync_waitq); 1439 1440 mvm->queue_sync_state = 0; 1441 1442 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); 1443 1444 spin_lock_init(&mvm->tcm.lock); 1445 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work); 1446 mvm->tcm.ts = jiffies; 1447 mvm->tcm.ll_ts = jiffies; 1448 mvm->tcm.uapsd_nonagg_ts = jiffies; 1449 1450 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); 1451 1452 mvm->cmd_ver.range_resp = 1453 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP, 1454 TOF_RANGE_RESPONSE_NOTIF, 5); 1455 /* we only support up to version 9 */ 1456 if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 9)) { 1457 err = -EINVAL; 1458 goto out_free; 1459 } 1460 1461 /* 1462 * Populate the state variables that the transport layer needs 1463 * to know about. 1464 */ 1465 BUILD_BUG_ON(sizeof(no_reclaim_cmds) > 1466 sizeof(trans->conf.no_reclaim_cmds)); 1467 memcpy(trans->conf.no_reclaim_cmds, no_reclaim_cmds, 1468 sizeof(no_reclaim_cmds)); 1469 trans->conf.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); 1470 1471 trans->conf.rx_buf_size = iwl_amsdu_size_to_rxb_size(); 1472 1473 trans->conf.wide_cmd_header = true; 1474 1475 trans->conf.command_groups = iwl_mvm_groups; 1476 trans->conf.command_groups_size = ARRAY_SIZE(iwl_mvm_groups); 1477 1478 trans->conf.cmd_queue = IWL_MVM_DQA_CMD_QUEUE; 1479 trans->conf.cmd_fifo = IWL_MVM_TX_FIFO_CMD; 1480 trans->conf.scd_set_active = true; 1481 1482 trans->conf.cb_data_offs = offsetof(struct ieee80211_tx_info, 1483 driver_data[2]); 1484 1485 snprintf(mvm->hw->wiphy->fw_version, 1486 sizeof(mvm->hw->wiphy->fw_version), 1487 "%.31s", fw->fw_version); 1488 1489 trans->conf.fw_reset_handshake = 1490 fw_has_capa(&mvm->fw->ucode_capa, 1491 IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE); 1492 1493 trans->conf.queue_alloc_cmd_ver = 1494 iwl_fw_lookup_cmd_ver(mvm->fw, 1495 WIDE_ID(DATA_PATH_GROUP, 1496 SCD_QUEUE_CONFIG_CMD), 1497 0); 1498 mvm->sta_remove_requires_queue_remove = 1499 trans->conf.queue_alloc_cmd_ver > 0; 1500 1501 mvm->mld_api_is_used = iwl_mvm_has_mld_api(mvm->fw); 1502 1503 /* Configure transport layer */ 1504 iwl_trans_op_mode_enter(mvm->trans, op_mode); 1505 1506 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv; 1507 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg; 1508 1509 /* set up notification wait support */ 1510 iwl_notification_wait_init(&mvm->notif_wait); 1511 1512 /* Init phy db */ 1513 mvm->phy_db = iwl_phy_db_init(trans); 1514 if (!mvm->phy_db) { 1515 IWL_ERR(mvm, "Cannot init phy_db\n"); 1516 err = -ENOMEM; 1517 goto out_free; 1518 } 1519 1520 if (iwlwifi_mod_params.nvm_file) 1521 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; 1522 else 1523 IWL_DEBUG_EEPROM(mvm->trans->dev, 1524 "working without external nvm file\n"); 1525 1526 scan_size = iwl_mvm_scan_size(mvm); 1527 1528 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); 1529 if (!mvm->scan_cmd) { 1530 err = -ENOMEM; 1531 goto out_free; 1532 } 1533 mvm->scan_cmd_size = scan_size; 1534 1535 /* invalidate ids to prevent accidental removal of sta_id 0 */ 1536 mvm->aux_sta.sta_id = IWL_INVALID_STA; 1537 mvm->snif_sta.sta_id = IWL_INVALID_STA; 1538 1539 /* Set EBS as successful as long as not stated otherwise by the FW. */ 1540 mvm->last_ebs_successful = true; 1541 1542 min_backoff = iwl_mvm_min_backoff(mvm); 1543 iwl_mvm_thermal_initialize(mvm, min_backoff); 1544 1545 if (!iwl_mvm_has_new_rx_stats_api(mvm)) 1546 memset(&mvm->rx_stats_v3, 0, 1547 sizeof(struct mvm_statistics_rx_v3)); 1548 else 1549 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); 1550 1551 iwl_mvm_ftm_initiator_smooth_config(mvm); 1552 1553 iwl_mvm_init_time_sync(&mvm->time_sync); 1554 1555 mvm->debugfs_dir = dbgfs_dir; 1556 1557 #if IS_ENABLED(CONFIG_IWLMEI) 1558 mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops); 1559 #else 1560 mvm->mei_registered = false; 1561 #endif 1562 1563 iwl_mvm_mei_scan_filter_init(&mvm->mei_scan_filter); 1564 1565 err = iwl_mvm_start_get_nvm(mvm); 1566 if (err) { 1567 /* 1568 * Getting NVM failed while CSME is the owner, but we are 1569 * registered to MEI, we'll get the NVM later when it'll be 1570 * possible to get it from CSME. 1571 */ 1572 if (trans->csme_own && mvm->mei_registered) 1573 return op_mode; 1574 1575 goto out_thermal_exit; 1576 } 1577 1578 1579 err = iwl_mvm_start_post_nvm(mvm); 1580 if (err) 1581 goto out_thermal_exit; 1582 1583 return op_mode; 1584 1585 out_thermal_exit: 1586 iwl_mvm_thermal_exit(mvm); 1587 if (mvm->mei_registered) { 1588 iwl_mei_start_unregister(); 1589 iwl_mei_unregister_complete(); 1590 } 1591 out_free: 1592 iwl_fw_flush_dumps(&mvm->fwrt); 1593 iwl_fw_runtime_free(&mvm->fwrt); 1594 1595 iwl_phy_db_free(mvm->phy_db); 1596 kfree(mvm->scan_cmd); 1597 iwl_trans_op_mode_leave(trans); 1598 1599 ieee80211_free_hw(mvm->hw); 1600 return ERR_PTR(err); 1601 } 1602 1603 void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1604 { 1605 lockdep_assert_held(&mvm->mutex); 1606 1607 iwl_fw_cancel_timestamp(&mvm->fwrt); 1608 1609 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1610 1611 iwl_mvm_pause_tcm(mvm, false); 1612 1613 iwl_fw_dbg_stop_sync(&mvm->fwrt); 1614 iwl_trans_stop_device(mvm->trans); 1615 iwl_free_fw_paging(&mvm->fwrt); 1616 iwl_fw_dump_conf_clear(&mvm->fwrt); 1617 iwl_mvm_mei_device_state(mvm, false); 1618 } 1619 1620 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) 1621 { 1622 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1623 int i; 1624 1625 if (mvm->mei_registered) { 1626 rtnl_lock(); 1627 iwl_mei_set_netdev(NULL); 1628 rtnl_unlock(); 1629 iwl_mei_start_unregister(); 1630 } 1631 1632 /* 1633 * After we unregister from mei, the worker can't be scheduled 1634 * anymore. 1635 */ 1636 cancel_work_sync(&mvm->sap_connected_wk); 1637 1638 iwl_mvm_leds_exit(mvm); 1639 1640 iwl_mvm_thermal_exit(mvm); 1641 1642 /* 1643 * If we couldn't get ownership on the device and we couldn't 1644 * get the NVM from CSME, we haven't registered to mac80211. 1645 * In that case, we didn't fail op_mode_start, because we are 1646 * waiting for CSME to allow us to get the NVM to register to 1647 * mac80211. If that didn't happen, we haven't registered to 1648 * mac80211, hence the if below. 1649 */ 1650 if (mvm->hw_registered) 1651 ieee80211_unregister_hw(mvm->hw); 1652 1653 kfree(mvm->scan_cmd); 1654 kfree(mvm->mcast_filter_cmd); 1655 mvm->mcast_filter_cmd = NULL; 1656 1657 kfree(mvm->error_recovery_buf); 1658 mvm->error_recovery_buf = NULL; 1659 1660 iwl_mvm_ptp_remove(mvm); 1661 1662 iwl_trans_op_mode_leave(mvm->trans); 1663 1664 iwl_phy_db_free(mvm->phy_db); 1665 mvm->phy_db = NULL; 1666 1667 kfree(mvm->nvm_data); 1668 kfree(mvm->mei_nvm_data); 1669 kfree(rcu_access_pointer(mvm->csme_conn_info)); 1670 kfree(mvm->temp_nvm_data); 1671 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) 1672 kfree(mvm->nvm_sections[i].data); 1673 kfree(mvm->acs_survey); 1674 1675 cancel_delayed_work_sync(&mvm->tcm.work); 1676 1677 iwl_fw_runtime_free(&mvm->fwrt); 1678 mutex_destroy(&mvm->mutex); 1679 1680 if (mvm->mei_registered) 1681 iwl_mei_unregister_complete(); 1682 1683 ieee80211_free_hw(mvm->hw); 1684 } 1685 1686 struct iwl_async_handler_entry { 1687 struct list_head list; 1688 struct iwl_rx_cmd_buffer rxb; 1689 enum iwl_rx_handler_context context; 1690 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1691 }; 1692 1693 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) 1694 { 1695 struct iwl_async_handler_entry *entry, *tmp; 1696 1697 spin_lock_bh(&mvm->async_handlers_lock); 1698 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1699 iwl_free_rxb(&entry->rxb); 1700 list_del(&entry->list); 1701 kfree(entry); 1702 } 1703 spin_unlock_bh(&mvm->async_handlers_lock); 1704 } 1705 1706 /* 1707 * This function receives a bitmap of rx async handler contexts 1708 * (&iwl_rx_handler_context) to handle, and runs only them 1709 */ 1710 static void iwl_mvm_async_handlers_by_context(struct iwl_mvm *mvm, 1711 u8 contexts) 1712 { 1713 struct iwl_async_handler_entry *entry, *tmp; 1714 LIST_HEAD(local_list); 1715 1716 /* 1717 * Sync with Rx path with a lock. Remove all the entries of the 1718 * wanted contexts from this list, add them to a local one (lock free), 1719 * and then handle them. 1720 */ 1721 spin_lock_bh(&mvm->async_handlers_lock); 1722 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) { 1723 if (!(BIT(entry->context) & contexts)) 1724 continue; 1725 list_del(&entry->list); 1726 list_add_tail(&entry->list, &local_list); 1727 } 1728 spin_unlock_bh(&mvm->async_handlers_lock); 1729 1730 list_for_each_entry_safe(entry, tmp, &local_list, list) { 1731 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1732 mutex_lock(&mvm->mutex); 1733 entry->fn(mvm, &entry->rxb); 1734 iwl_free_rxb(&entry->rxb); 1735 list_del(&entry->list); 1736 if (entry->context != RX_HANDLER_ASYNC_UNLOCKED) 1737 mutex_unlock(&mvm->mutex); 1738 kfree(entry); 1739 } 1740 } 1741 1742 static void iwl_mvm_async_handlers_wiphy_wk(struct wiphy *wiphy, 1743 struct wiphy_work *wk) 1744 { 1745 struct iwl_mvm *mvm = 1746 container_of(wk, struct iwl_mvm, async_handlers_wiphy_wk); 1747 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED_WIPHY); 1748 1749 iwl_mvm_async_handlers_by_context(mvm, contexts); 1750 } 1751 1752 static void iwl_mvm_async_handlers_wk(struct work_struct *wk) 1753 { 1754 struct iwl_mvm *mvm = 1755 container_of(wk, struct iwl_mvm, async_handlers_wk); 1756 u8 contexts = BIT(RX_HANDLER_ASYNC_LOCKED) | 1757 BIT(RX_HANDLER_ASYNC_UNLOCKED); 1758 1759 iwl_mvm_async_handlers_by_context(mvm, contexts); 1760 } 1761 1762 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, 1763 struct iwl_rx_packet *pkt) 1764 { 1765 struct iwl_fw_dbg_trigger_tlv *trig; 1766 struct iwl_fw_dbg_trigger_cmd *cmds_trig; 1767 int i; 1768 1769 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, 1770 FW_DBG_TRIGGER_FW_NOTIF); 1771 if (!trig) 1772 return; 1773 1774 cmds_trig = (void *)trig->data; 1775 1776 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) { 1777 /* don't collect on CMD 0 */ 1778 if (!cmds_trig->cmds[i].cmd_id) 1779 break; 1780 1781 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || 1782 cmds_trig->cmds[i].group_id != pkt->hdr.group_id) 1783 continue; 1784 1785 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 1786 "CMD 0x%02x.%02x received", 1787 pkt->hdr.group_id, pkt->hdr.cmd); 1788 break; 1789 } 1790 } 1791 1792 static void iwl_mvm_rx_common(struct iwl_mvm *mvm, 1793 struct iwl_rx_cmd_buffer *rxb, 1794 struct iwl_rx_packet *pkt) 1795 { 1796 unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 1797 int i; 1798 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt }; 1799 1800 iwl_dbg_tlv_time_point(&mvm->fwrt, 1801 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data); 1802 iwl_mvm_rx_check_trigger(mvm, pkt); 1803 1804 /* 1805 * Do the notification wait before RX handlers so 1806 * even if the RX handler consumes the RXB we have 1807 * access to it in the notification wait entry. 1808 */ 1809 iwl_notification_wait_notify(&mvm->notif_wait, pkt); 1810 1811 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) { 1812 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; 1813 struct iwl_async_handler_entry *entry; 1814 1815 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) 1816 continue; 1817 1818 if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, 1819 "unexpected notification 0x%04x size %d, need %d\n", 1820 rx_h->cmd_id, pkt_len, rx_h->min_size)) 1821 return; 1822 1823 if (rx_h->context == RX_HANDLER_SYNC) { 1824 rx_h->fn(mvm, rxb); 1825 return; 1826 } 1827 1828 entry = kzalloc(sizeof(*entry), GFP_ATOMIC); 1829 /* we can't do much... */ 1830 if (!entry) 1831 return; 1832 1833 entry->rxb._page = rxb_steal_page(rxb); 1834 entry->rxb._offset = rxb->_offset; 1835 entry->rxb._rx_page_order = rxb->_rx_page_order; 1836 entry->fn = rx_h->fn; 1837 entry->context = rx_h->context; 1838 spin_lock(&mvm->async_handlers_lock); 1839 list_add_tail(&entry->list, &mvm->async_handlers_list); 1840 spin_unlock(&mvm->async_handlers_lock); 1841 if (rx_h->context == RX_HANDLER_ASYNC_LOCKED_WIPHY) 1842 wiphy_work_queue(mvm->hw->wiphy, 1843 &mvm->async_handlers_wiphy_wk); 1844 else 1845 schedule_work(&mvm->async_handlers_wk); 1846 break; 1847 } 1848 } 1849 1850 static void iwl_mvm_rx(struct iwl_op_mode *op_mode, 1851 struct napi_struct *napi, 1852 struct iwl_rx_cmd_buffer *rxb) 1853 { 1854 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1855 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1856 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1857 1858 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1859 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); 1860 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD)) 1861 iwl_mvm_rx_rx_phy_cmd(mvm, rxb); 1862 else 1863 iwl_mvm_rx_common(mvm, rxb, pkt); 1864 } 1865 1866 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, 1867 struct napi_struct *napi, 1868 struct iwl_rx_cmd_buffer *rxb) 1869 { 1870 struct iwl_rx_packet *pkt = rxb_addr(rxb); 1871 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1872 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd); 1873 1874 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD))) 1875 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); 1876 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP, 1877 RX_QUEUES_NOTIFICATION))) 1878 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0); 1879 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) 1880 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); 1881 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE)) 1882 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0); 1883 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) 1884 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); 1885 else 1886 iwl_mvm_rx_common(mvm, rxb, pkt); 1887 } 1888 1889 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue) 1890 { 1891 return queue == mvm->aux_queue || queue == mvm->probe_queue || 1892 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue; 1893 } 1894 1895 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, 1896 int hw_queue, bool start) 1897 { 1898 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1899 struct ieee80211_sta *sta; 1900 struct ieee80211_txq *txq; 1901 struct iwl_mvm_txq *mvmtxq; 1902 int i; 1903 unsigned long tid_bitmap; 1904 struct iwl_mvm_sta *mvmsta; 1905 u8 sta_id; 1906 1907 sta_id = iwl_mvm_has_new_tx_api(mvm) ? 1908 mvm->tvqm_info[hw_queue].sta_id : 1909 mvm->queue_info[hw_queue].ra_sta_id; 1910 1911 if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) 1912 return; 1913 1914 rcu_read_lock(); 1915 1916 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1917 if (IS_ERR_OR_NULL(sta)) 1918 goto out; 1919 mvmsta = iwl_mvm_sta_from_mac80211(sta); 1920 1921 if (iwl_mvm_is_static_queue(mvm, hw_queue)) { 1922 if (!start) 1923 ieee80211_stop_queues(mvm->hw); 1924 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST) 1925 ieee80211_wake_queues(mvm->hw); 1926 1927 goto out; 1928 } 1929 1930 if (iwl_mvm_has_new_tx_api(mvm)) { 1931 int tid = mvm->tvqm_info[hw_queue].txq_tid; 1932 1933 tid_bitmap = BIT(tid); 1934 } else { 1935 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap; 1936 } 1937 1938 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { 1939 int tid = i; 1940 1941 if (tid == IWL_MAX_TID_COUNT) 1942 tid = IEEE80211_NUM_TIDS; 1943 1944 txq = sta->txq[tid]; 1945 mvmtxq = iwl_mvm_txq_from_mac80211(txq); 1946 if (start) 1947 clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1948 else 1949 set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); 1950 1951 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) { 1952 local_bh_disable(); 1953 iwl_mvm_mac_itxq_xmit(mvm->hw, txq); 1954 local_bh_enable(); 1955 } 1956 } 1957 1958 out: 1959 rcu_read_unlock(); 1960 } 1961 1962 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1963 { 1964 iwl_mvm_queue_state_change(op_mode, hw_queue, false); 1965 } 1966 1967 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue) 1968 { 1969 iwl_mvm_queue_state_change(op_mode, hw_queue, true); 1970 } 1971 1972 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm) 1973 { 1974 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, 1975 iwl_mvm_is_radio_killed(mvm)); 1976 } 1977 1978 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) 1979 { 1980 if (state) 1981 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1982 else 1983 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1984 1985 iwl_mvm_set_rfkill_state(mvm); 1986 } 1987 1988 struct iwl_mvm_csme_conn_info *iwl_mvm_get_csme_conn_info(struct iwl_mvm *mvm) 1989 { 1990 return rcu_dereference_protected(mvm->csme_conn_info, 1991 lockdep_is_held(&mvm->mutex)); 1992 } 1993 1994 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) 1995 { 1996 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 1997 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done); 1998 bool unified = iwl_mvm_has_unified_ucode(mvm); 1999 2000 if (state) 2001 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 2002 else 2003 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 2004 2005 iwl_mvm_set_rfkill_state(mvm); 2006 2007 /* iwl_run_init_mvm_ucode is waiting for results, abort it. */ 2008 if (rfkill_safe_init_done) 2009 iwl_abort_notification_waits(&mvm->notif_wait); 2010 2011 /* 2012 * Don't ask the transport to stop the firmware. We'll do it 2013 * after cfg80211 takes us down. 2014 */ 2015 if (unified) 2016 return false; 2017 2018 /* 2019 * Stop the device if we run OPERATIONAL firmware or if we are in the 2020 * middle of the calibrations. 2021 */ 2022 return state && rfkill_safe_init_done; 2023 } 2024 2025 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) 2026 { 2027 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2028 struct ieee80211_tx_info *info; 2029 2030 info = IEEE80211_SKB_CB(skb); 2031 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]); 2032 ieee80211_free_txskb(mvm->hw, skb); 2033 } 2034 2035 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode, 2036 enum iwl_fw_error_type type) 2037 { 2038 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2039 2040 iwl_abort_notification_waits(&mvm->notif_wait); 2041 iwl_dbg_tlv_del_timers(mvm->trans); 2042 2043 if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL) 2044 IWL_ERR(mvm, "Command queue full!\n"); 2045 else if (!iwl_trans_is_dead(mvm->trans) && 2046 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, 2047 &mvm->status)) 2048 iwl_mvm_dump_nic_error_log(mvm); 2049 2050 /* 2051 * This should be first thing before trying to collect any 2052 * data to avoid endless loops if any HW error happens while 2053 * collecting debug data. 2054 * It might not actually be true that we'll restart, but the 2055 * setting of the bit doesn't matter if we're going to be 2056 * unbound either. 2057 */ 2058 if (type != IWL_ERR_TYPE_RESET_HS_TIMEOUT) 2059 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); 2060 } 2061 2062 static void iwl_mvm_dump_error(struct iwl_op_mode *op_mode, 2063 struct iwl_fw_error_dump_mode *mode) 2064 { 2065 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2066 2067 /* if we come in from opmode we have the mutex held */ 2068 if (mode->context == IWL_ERR_CONTEXT_FROM_OPMODE) { 2069 lockdep_assert_held(&mvm->mutex); 2070 iwl_fw_error_collect(&mvm->fwrt); 2071 } else { 2072 mutex_lock(&mvm->mutex); 2073 if (mode->context != IWL_ERR_CONTEXT_ABORT) 2074 iwl_fw_error_collect(&mvm->fwrt); 2075 mutex_unlock(&mvm->mutex); 2076 } 2077 } 2078 2079 static bool iwl_mvm_sw_reset(struct iwl_op_mode *op_mode, 2080 enum iwl_fw_error_type type) 2081 { 2082 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2083 2084 /* 2085 * If the firmware crashes while we're already considering it 2086 * to be dead then don't ask for a restart, that cannot do 2087 * anything useful anyway. 2088 */ 2089 if (!test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status)) 2090 return false; 2091 2092 /* 2093 * This is a bit racy, but worst case we tell mac80211 about 2094 * a stopped/aborted scan when that was already done which 2095 * is not a problem. It is necessary to abort any os scan 2096 * here because mac80211 requires having the scan cleared 2097 * before restarting. 2098 * We'll reset the scan_status to NONE in restart cleanup in 2099 * the next start() call from mac80211. If restart isn't called 2100 * (no fw restart) scan status will stay busy. 2101 */ 2102 iwl_mvm_report_scan_aborted(mvm); 2103 2104 /* 2105 * If INIT fw asserted, it will likely fail again. 2106 * If WoWLAN fw asserted, don't restart either, mac80211 2107 * can't recover this since we're already half suspended. 2108 */ 2109 if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR && mvm->hw_registered) { 2110 if (mvm->fw->ucode_capa.error_log_size) { 2111 u32 src_size = mvm->fw->ucode_capa.error_log_size; 2112 u32 src_addr = mvm->fw->ucode_capa.error_log_addr; 2113 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC); 2114 2115 if (recover_buf) { 2116 mvm->error_recovery_buf = recover_buf; 2117 iwl_trans_read_mem_bytes(mvm->trans, 2118 src_addr, 2119 recover_buf, 2120 src_size); 2121 } 2122 } 2123 2124 if (mvm->fwrt.trans->dbg.restart_required) { 2125 IWL_DEBUG_INFO(mvm, "FW restart requested after debug collection\n"); 2126 mvm->fwrt.trans->dbg.restart_required = false; 2127 ieee80211_restart_hw(mvm->hw); 2128 return true; 2129 } else if (mvm->trans->mac_cfg->device_family <= IWL_DEVICE_FAMILY_8000) { 2130 ieee80211_restart_hw(mvm->hw); 2131 return true; 2132 } 2133 } 2134 2135 return false; 2136 } 2137 2138 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode, 2139 enum iwl_fw_ini_time_point tp_id, 2140 union iwl_dbg_tlv_tp_data *tp_data) 2141 { 2142 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2143 2144 iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data); 2145 } 2146 2147 static void iwl_mvm_dump(struct iwl_op_mode *op_mode) 2148 { 2149 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); 2150 struct iwl_fw_runtime *fwrt = &mvm->fwrt; 2151 2152 if (!iwl_trans_fw_running(fwrt->trans)) 2153 return; 2154 2155 iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, NULL); 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 iwl_mvm_stop_device(mvm); 2166 mvm->fast_resume = false; 2167 mutex_unlock(&mvm->mutex); 2168 } 2169 #else 2170 static void iwl_op_mode_mvm_device_powered_off(struct iwl_op_mode *op_mode) 2171 {} 2172 #endif 2173 2174 #define IWL_MVM_COMMON_OPS \ 2175 /* these could be differentiated */ \ 2176 .queue_full = iwl_mvm_stop_sw_queue, \ 2177 .queue_not_full = iwl_mvm_wake_sw_queue, \ 2178 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \ 2179 .free_skb = iwl_mvm_free_skb, \ 2180 .nic_error = iwl_mvm_nic_error, \ 2181 .dump_error = iwl_mvm_dump_error, \ 2182 .sw_reset = iwl_mvm_sw_reset, \ 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->info.num_rxqs)) 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 .dump = iwl_mvm_dump, 2221 }; 2222