drivers/net/wireless/intel/iwlwifi/mvm/ops.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /*
   3  * Copyright (C) 2012-2014, 2018-2020 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/vmalloc.h>
   9 #include <net/mac80211.h>
  10
  11 #include "fw/notif-wait.h"
  12 #include "iwl-trans.h"
  13 #include "iwl-op-mode.h"
  14 #include "fw/img.h"
  15 #include "iwl-debug.h"
  16 #include "iwl-drv.h"
  17 #include "iwl-modparams.h"
  18 #include "mvm.h"
  19 #include "iwl-phy-db.h"
  20 #include "iwl-eeprom-parse.h"
  21 #include "iwl-csr.h"
  22 #include "iwl-io.h"
  23 #include "iwl-prph.h"
  24 #include "rs.h"
  25 #include "fw/api/scan.h"
  26 #include "time-event.h"
  27 #include "fw-api.h"
  28 #include "fw/acpi.h"
  29
  30 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
  31 MODULE_DESCRIPTION(DRV_DESCRIPTION);
  32 MODULE_AUTHOR(DRV_AUTHOR);
  33 MODULE_LICENSE("GPL");
  34
  35 static const struct iwl_op_mode_ops iwl_mvm_ops;
  36 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
  37
  38 struct iwl_mvm_mod_params iwlmvm_mod_params = {
  39         .power_scheme = IWL_POWER_SCHEME_BPS,
  40         /* rest of fields are 0 by default */
  41 };
  42
  43 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
  44 MODULE_PARM_DESC(init_dbg,
  45                  "set to true to debug an ASSERT in INIT fw (default: false");
  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         struct iwl_trans_debug *dbg = &mvm->trans->dbg;
  82         u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
  83         u32 reg_val = 0;
  84         u32 phy_config = iwl_mvm_get_phy_config(mvm);
  85
  86         radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
  87                          FW_PHY_CFG_RADIO_TYPE_POS;
  88         radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
  89                          FW_PHY_CFG_RADIO_STEP_POS;
  90         radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
  91                          FW_PHY_CFG_RADIO_DASH_POS;
  92
  93         /* SKU control */
  94         reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
  95                                 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
  96         reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
  97                                 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
  98
  99         /* radio configuration */
 100         reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
 101         reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
 102         reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
 103
 104         WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
 105                  ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
 106
 107         /*
 108          * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
 109          * sampling, and shouldn't be set to any non-zero value.
 110          * The same is supposed to be true of the other HW, but unsetting
 111          * them (such as the 7260) causes automatic tests to fail on seemingly
 112          * unrelated errors. Need to further investigate this, but for now
 113          * we'll separate cases.
 114          */
 115         if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
 116                 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
 117
 118         if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt) ||
 119             (iwl_trans_dbg_ini_valid(mvm->trans) &&
 120              dbg->fw_mon_cfg[IWL_FW_INI_ALLOCATION_ID_INTERNAL].buf_location)
 121             )
 122                 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
 123
 124         iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
 125                                 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
 126                                 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
 127                                 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
 128                                 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
 129                                 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
 130                                 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
 131                                 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI   |
 132                                 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
 133                                 reg_val);
 134
 135         IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
 136                        radio_cfg_step, radio_cfg_dash);
 137
 138         /*
 139          * W/A : NIC is stuck in a reset state after Early PCIe power off
 140          * (PCIe power is lost before PERST# is asserted), causing ME FW
 141          * to lose ownership and not being able to obtain it back.
 142          */
 143         if (!mvm->trans->cfg->apmg_not_supported)
 144                 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
 145                                        APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
 146                                        ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
 147 }
 148
 149 static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm,
 150                                      struct iwl_rx_cmd_buffer *rxb)
 151 {
 152         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 153         struct iwl_datapath_monitor_notif *notif = (void *)pkt->data;
 154         struct ieee80211_supported_band *sband;
 155         const struct ieee80211_sta_he_cap *he_cap;
 156         struct ieee80211_vif *vif;
 157
 158         if (notif->type != cpu_to_le32(IWL_DP_MON_NOTIF_TYPE_EXT_CCA))
 159                 return;
 160
 161         vif = iwl_mvm_get_vif_by_macid(mvm, notif->mac_id);
 162         if (!vif || vif->type != NL80211_IFTYPE_STATION)
 163                 return;
 164
 165         if (!vif->bss_conf.chandef.chan ||
 166             vif->bss_conf.chandef.chan->band != NL80211_BAND_2GHZ ||
 167             vif->bss_conf.chandef.width < NL80211_CHAN_WIDTH_40)
 168                 return;
 169
 170         if (!vif->bss_conf.assoc)
 171                 return;
 172
 173         /* this shouldn't happen *again*, ignore it */
 174         if (mvm->cca_40mhz_workaround)
 175                 return;
 176
 177         /*
 178          * We'll decrement this on disconnect - so set to 2 since we'll
 179          * still have to disconnect from the current AP first.
 180          */
 181         mvm->cca_40mhz_workaround = 2;
 182
 183         /*
 184          * This capability manipulation isn't really ideal, but it's the
 185          * easiest choice - otherwise we'd have to do some major changes
 186          * in mac80211 to support this, which isn't worth it. This does
 187          * mean that userspace may have outdated information, but that's
 188          * actually not an issue at all.
 189          */
 190         sband = mvm->hw->wiphy->bands[NL80211_BAND_2GHZ];
 191
 192         WARN_ON(!sband->ht_cap.ht_supported);
 193         WARN_ON(!(sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40));
 194         sband->ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 195
 196         he_cap = ieee80211_get_he_iftype_cap(sband,
 197                                              ieee80211_vif_type_p2p(vif));
 198
 199         if (he_cap) {
 200                 /* we know that ours is writable */
 201                 struct ieee80211_sta_he_cap *he = (void *)he_cap;
 202
 203                 WARN_ON(!he->has_he);
 204                 WARN_ON(!(he->he_cap_elem.phy_cap_info[0] &
 205                                 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G));
 206                 he->he_cap_elem.phy_cap_info[0] &=
 207                         ~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
 208         }
 209
 210         ieee80211_disconnect(vif, true);
 211 }
 212
 213 void iwl_mvm_apply_fw_smps_request(struct ieee80211_vif *vif)
 214 {
 215         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 216         struct iwl_mvm *mvm = mvmvif->mvm;
 217
 218         iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW,
 219                             mvm->fw_static_smps_request ?
 220                                 IEEE80211_SMPS_STATIC :
 221                                 IEEE80211_SMPS_AUTOMATIC);
 222 }
 223
 224 static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac,
 225                                         struct ieee80211_vif *vif)
 226 {
 227         iwl_mvm_apply_fw_smps_request(vif);
 228 }
 229
 230 static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm,
 231                                               struct iwl_rx_cmd_buffer *rxb)
 232 {
 233         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 234         struct iwl_thermal_dual_chain_request *req = (void *)pkt->data;
 235
 236         /*
 237          * We could pass it to the iterator data, but also need to remember
 238          * it for new interfaces that are added while in this state.
 239          */
 240         mvm->fw_static_smps_request =
 241                 req->event == cpu_to_le32(THERMAL_DUAL_CHAIN_REQ_DISABLE);
 242         ieee80211_iterate_interfaces(mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 243                                      iwl_mvm_intf_dual_chain_req, NULL);
 244 }
 245
 246 /**
 247  * enum iwl_rx_handler_context context for Rx handler
 248  * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
 249  *      which can't acquire mvm->mutex.
 250  * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
 251  *      (and only in this case!), it should be set as ASYNC. In that case,
 252  *      it will be called from a worker with mvm->mutex held.
 253  * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
 254  *      mutex itself, it will be called from a worker without mvm->mutex held.
 255  */
 256 enum iwl_rx_handler_context {
 257         RX_HANDLER_SYNC,
 258         RX_HANDLER_ASYNC_LOCKED,
 259         RX_HANDLER_ASYNC_UNLOCKED,
 260 };
 261
 262 /**
 263  * struct iwl_rx_handlers handler for FW notification
 264  * @cmd_id: command id
 265  * @context: see &iwl_rx_handler_context
 266  * @fn: the function is called when notification is received
 267  */
 268 struct iwl_rx_handlers {
 269         u16 cmd_id, min_size;
 270         enum iwl_rx_handler_context context;
 271         void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
 272 };
 273
 274 #define RX_HANDLER_NO_SIZE(_cmd_id, _fn, _context)              \
 275         { .cmd_id = _cmd_id, .fn = _fn, .context = _context, }
 276 #define RX_HANDLER_GRP_NO_SIZE(_grp, _cmd, _fn, _context)       \
 277         { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context, }
 278 #define RX_HANDLER(_cmd_id, _fn, _context, _struct)             \
 279         { .cmd_id = _cmd_id, .fn = _fn,                         \
 280           .context = _context, .min_size = sizeof(_struct), }
 281 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context, _struct)      \
 282         { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn,             \
 283           .context = _context, .min_size = sizeof(_struct), }
 284
 285 /*
 286  * Handlers for fw notifications
 287  * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
 288  * This list should be in order of frequency for performance purposes.
 289  *
 290  * The handler can be one from three contexts, see &iwl_rx_handler_context
 291  */
 292 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
 293         RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC,
 294                    struct iwl_mvm_tx_resp),
 295         RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC,
 296                    struct iwl_mvm_ba_notif),
 297
 298         RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
 299                        iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC,
 300                        struct iwl_tlc_update_notif),
 301
 302         RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
 303                    RX_HANDLER_ASYNC_LOCKED, struct iwl_bt_coex_profile_notif),
 304         RX_HANDLER_NO_SIZE(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
 305                            RX_HANDLER_ASYNC_LOCKED),
 306         RX_HANDLER_NO_SIZE(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
 307                            RX_HANDLER_ASYNC_LOCKED),
 308
 309         RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
 310                    iwl_mvm_window_status_notif, RX_HANDLER_SYNC,
 311                    struct iwl_ba_window_status_notif),
 312
 313         RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
 314                    RX_HANDLER_SYNC, struct iwl_time_event_notif),
 315         RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
 316                        iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC,
 317                        struct iwl_mvm_session_prot_notif),
 318         RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
 319                    RX_HANDLER_ASYNC_LOCKED, struct iwl_mcc_chub_notif),
 320
 321         RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC,
 322                    struct iwl_mvm_eosp_notification),
 323
 324         RX_HANDLER(SCAN_ITERATION_COMPLETE,
 325                    iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC,
 326                    struct iwl_lmac_scan_complete_notif),
 327         RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
 328                    iwl_mvm_rx_lmac_scan_complete_notif,
 329                    RX_HANDLER_ASYNC_LOCKED, struct iwl_periodic_scan_complete),
 330         RX_HANDLER_NO_SIZE(MATCH_FOUND_NOTIFICATION,
 331                            iwl_mvm_rx_scan_match_found,
 332                            RX_HANDLER_SYNC),
 333         RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
 334                    RX_HANDLER_ASYNC_LOCKED, struct iwl_umac_scan_complete),
 335         RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
 336                    iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC,
 337                    struct iwl_umac_scan_iter_complete_notif),
 338
 339         RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
 340                    RX_HANDLER_SYNC, struct iwl_card_state_notif),
 341
 342         RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
 343                    RX_HANDLER_SYNC, struct iwl_missed_beacons_notif),
 344
 345         RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC,
 346                    struct iwl_error_resp),
 347         RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
 348                    iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC,
 349                    struct iwl_uapsd_misbehaving_ap_notif),
 350         RX_HANDLER_NO_SIZE(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
 351                            RX_HANDLER_ASYNC_LOCKED),
 352         RX_HANDLER_GRP_NO_SIZE(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
 353                                iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
 354         RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
 355                        iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC,
 356                        struct ct_kill_notif),
 357
 358         RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
 359                    RX_HANDLER_ASYNC_LOCKED,
 360                    struct iwl_tdls_channel_switch_notif),
 361         RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
 362                    RX_HANDLER_SYNC, struct iwl_mfuart_load_notif_v1),
 363         RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
 364                        iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED,
 365                        struct iwl_ftm_responder_stats),
 366
 367         RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
 368                                iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
 369         RX_HANDLER_GRP_NO_SIZE(LOCATION_GROUP, TOF_LC_NOTIF,
 370                                iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
 371
 372         RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
 373                        iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC,
 374                        struct iwl_mfu_assert_dump_notif),
 375         RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
 376                        iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC,
 377                        struct iwl_stored_beacon_notif),
 378         RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
 379                        iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC,
 380                        struct iwl_mu_group_mgmt_notif),
 381         RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
 382                        iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC,
 383                        struct iwl_mvm_pm_state_notification),
 384         RX_HANDLER_GRP(MAC_CONF_GROUP, PROBE_RESPONSE_DATA_NOTIF,
 385                        iwl_mvm_probe_resp_data_notif,
 386                        RX_HANDLER_ASYNC_LOCKED,
 387                        struct iwl_probe_resp_data_notif),
 388         RX_HANDLER_GRP(MAC_CONF_GROUP, CHANNEL_SWITCH_NOA_NOTIF,
 389                        iwl_mvm_channel_switch_noa_notif,
 390                        RX_HANDLER_SYNC, struct iwl_channel_switch_noa_notif),
 391         RX_HANDLER_GRP(DATA_PATH_GROUP, MONITOR_NOTIF,
 392                        iwl_mvm_rx_monitor_notif, RX_HANDLER_ASYNC_LOCKED,
 393                        struct iwl_datapath_monitor_notif),
 394
 395         RX_HANDLER_GRP(DATA_PATH_GROUP, THERMAL_DUAL_CHAIN_REQUEST,
 396                        iwl_mvm_rx_thermal_dual_chain_req,
 397                        RX_HANDLER_ASYNC_LOCKED,
 398                        struct iwl_thermal_dual_chain_request),
 399 };
 400 #undef RX_HANDLER
 401 #undef RX_HANDLER_GRP
 402
 403 /* Please keep this array *SORTED* by hex value.
 404  * Access is done through binary search
 405  */
 406 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
 407         HCMD_NAME(UCODE_ALIVE_NTFY),
 408         HCMD_NAME(REPLY_ERROR),
 409         HCMD_NAME(ECHO_CMD),
 410         HCMD_NAME(INIT_COMPLETE_NOTIF),
 411         HCMD_NAME(PHY_CONTEXT_CMD),
 412         HCMD_NAME(DBG_CFG),
 413         HCMD_NAME(SCAN_CFG_CMD),
 414         HCMD_NAME(SCAN_REQ_UMAC),
 415         HCMD_NAME(SCAN_ABORT_UMAC),
 416         HCMD_NAME(SCAN_COMPLETE_UMAC),
 417         HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
 418         HCMD_NAME(ADD_STA_KEY),
 419         HCMD_NAME(ADD_STA),
 420         HCMD_NAME(REMOVE_STA),
 421         HCMD_NAME(FW_GET_ITEM_CMD),
 422         HCMD_NAME(TX_CMD),
 423         HCMD_NAME(SCD_QUEUE_CFG),
 424         HCMD_NAME(TXPATH_FLUSH),
 425         HCMD_NAME(MGMT_MCAST_KEY),
 426         HCMD_NAME(WEP_KEY),
 427         HCMD_NAME(SHARED_MEM_CFG),
 428         HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
 429         HCMD_NAME(MAC_CONTEXT_CMD),
 430         HCMD_NAME(TIME_EVENT_CMD),
 431         HCMD_NAME(TIME_EVENT_NOTIFICATION),
 432         HCMD_NAME(BINDING_CONTEXT_CMD),
 433         HCMD_NAME(TIME_QUOTA_CMD),
 434         HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
 435         HCMD_NAME(LEDS_CMD),
 436         HCMD_NAME(LQ_CMD),
 437         HCMD_NAME(FW_PAGING_BLOCK_CMD),
 438         HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
 439         HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
 440         HCMD_NAME(HOT_SPOT_CMD),
 441         HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
 442         HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
 443         HCMD_NAME(BT_COEX_CI),
 444         HCMD_NAME(PHY_CONFIGURATION_CMD),
 445         HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
 446         HCMD_NAME(PHY_DB_CMD),
 447         HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
 448         HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
 449         HCMD_NAME(POWER_TABLE_CMD),
 450         HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
 451         HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
 452         HCMD_NAME(DC2DC_CONFIG_CMD),
 453         HCMD_NAME(NVM_ACCESS_CMD),
 454         HCMD_NAME(BEACON_NOTIFICATION),
 455         HCMD_NAME(BEACON_TEMPLATE_CMD),
 456         HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
 457         HCMD_NAME(BT_CONFIG),
 458         HCMD_NAME(STATISTICS_CMD),
 459         HCMD_NAME(STATISTICS_NOTIFICATION),
 460         HCMD_NAME(EOSP_NOTIFICATION),
 461         HCMD_NAME(REDUCE_TX_POWER_CMD),
 462         HCMD_NAME(CARD_STATE_NOTIFICATION),
 463         HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
 464         HCMD_NAME(TDLS_CONFIG_CMD),
 465         HCMD_NAME(MAC_PM_POWER_TABLE),
 466         HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
 467         HCMD_NAME(MFUART_LOAD_NOTIFICATION),
 468         HCMD_NAME(RSS_CONFIG_CMD),
 469         HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
 470         HCMD_NAME(REPLY_RX_PHY_CMD),
 471         HCMD_NAME(REPLY_RX_MPDU_CMD),
 472         HCMD_NAME(BAR_FRAME_RELEASE),
 473         HCMD_NAME(FRAME_RELEASE),
 474         HCMD_NAME(BA_NOTIF),
 475         HCMD_NAME(MCC_UPDATE_CMD),
 476         HCMD_NAME(MCC_CHUB_UPDATE_CMD),
 477         HCMD_NAME(MARKER_CMD),
 478         HCMD_NAME(BT_PROFILE_NOTIFICATION),
 479         HCMD_NAME(BCAST_FILTER_CMD),
 480         HCMD_NAME(MCAST_FILTER_CMD),
 481         HCMD_NAME(REPLY_SF_CFG_CMD),
 482         HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
 483         HCMD_NAME(D3_CONFIG_CMD),
 484         HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
 485         HCMD_NAME(OFFLOADS_QUERY_CMD),
 486         HCMD_NAME(MATCH_FOUND_NOTIFICATION),
 487         HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
 488         HCMD_NAME(WOWLAN_PATTERNS),
 489         HCMD_NAME(WOWLAN_CONFIGURATION),
 490         HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
 491         HCMD_NAME(WOWLAN_TKIP_PARAM),
 492         HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
 493         HCMD_NAME(WOWLAN_GET_STATUSES),
 494         HCMD_NAME(SCAN_ITERATION_COMPLETE),
 495         HCMD_NAME(D0I3_END_CMD),
 496         HCMD_NAME(LTR_CONFIG),
 497         HCMD_NAME(LDBG_CONFIG_CMD),
 498 };
 499
 500 /* Please keep this array *SORTED* by hex value.
 501  * Access is done through binary search
 502  */
 503 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
 504         HCMD_NAME(SHARED_MEM_CFG_CMD),
 505         HCMD_NAME(INIT_EXTENDED_CFG_CMD),
 506         HCMD_NAME(FW_ERROR_RECOVERY_CMD),
 507 };
 508
 509 /* Please keep this array *SORTED* by hex value.
 510  * Access is done through binary search
 511  */
 512 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
 513         HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
 514         HCMD_NAME(SESSION_PROTECTION_CMD),
 515         HCMD_NAME(SESSION_PROTECTION_NOTIF),
 516         HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
 517 };
 518
 519 /* Please keep this array *SORTED* by hex value.
 520  * Access is done through binary search
 521  */
 522 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
 523         HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
 524         HCMD_NAME(CTDP_CONFIG_CMD),
 525         HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
 526         HCMD_NAME(GEO_TX_POWER_LIMIT),
 527         HCMD_NAME(CT_KILL_NOTIFICATION),
 528         HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
 529 };
 530
 531 /* Please keep this array *SORTED* by hex value.
 532  * Access is done through binary search
 533  */
 534 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
 535         HCMD_NAME(DQA_ENABLE_CMD),
 536         HCMD_NAME(UPDATE_MU_GROUPS_CMD),
 537         HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
 538         HCMD_NAME(STA_HE_CTXT_CMD),
 539         HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
 540         HCMD_NAME(TLC_MNG_CONFIG_CMD),
 541         HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
 542         HCMD_NAME(MONITOR_NOTIF),
 543         HCMD_NAME(THERMAL_DUAL_CHAIN_REQUEST),
 544         HCMD_NAME(STA_PM_NOTIF),
 545         HCMD_NAME(MU_GROUP_MGMT_NOTIF),
 546         HCMD_NAME(RX_QUEUES_NOTIFICATION),
 547 };
 548
 549 /* Please keep this array *SORTED* by hex value.
 550  * Access is done through binary search
 551  */
 552 static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
 553         HCMD_NAME(TOF_RANGE_REQ_CMD),
 554         HCMD_NAME(TOF_CONFIG_CMD),
 555         HCMD_NAME(TOF_RANGE_ABORT_CMD),
 556         HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
 557         HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
 558         HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
 559         HCMD_NAME(TOF_LC_NOTIF),
 560         HCMD_NAME(TOF_RESPONDER_STATS),
 561         HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
 562         HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
 563 };
 564
 565 /* Please keep this array *SORTED* by hex value.
 566  * Access is done through binary search
 567  */
 568 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
 569         HCMD_NAME(STORED_BEACON_NTF),
 570 };
 571
 572 /* Please keep this array *SORTED* by hex value.
 573  * Access is done through binary search
 574  */
 575 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
 576         HCMD_NAME(NVM_ACCESS_COMPLETE),
 577         HCMD_NAME(NVM_GET_INFO),
 578         HCMD_NAME(TAS_CONFIG),
 579 };
 580
 581 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
 582         [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
 583         [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
 584         [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
 585         [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
 586         [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
 587         [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
 588         [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
 589         [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
 590         [REGULATORY_AND_NVM_GROUP] =
 591                 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
 592 };
 593
 594 /* this forward declaration can avoid to export the function */
 595 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
 596
 597 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
 598 {
 599         const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
 600         u64 dflt_pwr_limit;
 601
 602         if (!backoff)
 603                 return 0;
 604
 605         dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
 606
 607         while (backoff->pwr) {
 608                 if (dflt_pwr_limit >= backoff->pwr)
 609                         return backoff->backoff;
 610
 611                 backoff++;
 612         }
 613
 614         return 0;
 615 }
 616
 617 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
 618 {
 619         struct iwl_mvm *mvm =
 620                 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
 621         struct ieee80211_vif *tx_blocked_vif;
 622         struct iwl_mvm_vif *mvmvif;
 623
 624         mutex_lock(&mvm->mutex);
 625
 626         tx_blocked_vif =
 627                 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
 628                                           lockdep_is_held(&mvm->mutex));
 629
 630         if (!tx_blocked_vif)
 631                 goto unlock;
 632
 633         mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
 634         iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
 635         RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
 636 unlock:
 637         mutex_unlock(&mvm->mutex);
 638 }
 639
 640 static int iwl_mvm_fwrt_dump_start(void *ctx)
 641 {
 642         struct iwl_mvm *mvm = ctx;
 643
 644         mutex_lock(&mvm->mutex);
 645
 646         return 0;
 647 }
 648
 649 static void iwl_mvm_fwrt_dump_end(void *ctx)
 650 {
 651         struct iwl_mvm *mvm = ctx;
 652
 653         mutex_unlock(&mvm->mutex);
 654 }
 655
 656 static bool iwl_mvm_fwrt_fw_running(void *ctx)
 657 {
 658         return iwl_mvm_firmware_running(ctx);
 659 }
 660
 661 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
 662 {
 663         struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
 664         int ret;
 665
 666         mutex_lock(&mvm->mutex);
 667         ret = iwl_mvm_send_cmd(mvm, host_cmd);
 668         mutex_unlock(&mvm->mutex);
 669
 670         return ret;
 671 }
 672
 673 static bool iwl_mvm_d3_debug_enable(void *ctx)
 674 {
 675         return IWL_MVM_D3_DEBUG;
 676 }
 677
 678 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
 679         .dump_start = iwl_mvm_fwrt_dump_start,
 680         .dump_end = iwl_mvm_fwrt_dump_end,
 681         .fw_running = iwl_mvm_fwrt_fw_running,
 682         .send_hcmd = iwl_mvm_fwrt_send_hcmd,
 683         .d3_debug_enable = iwl_mvm_d3_debug_enable,
 684 };
 685
 686 static int iwl_mvm_start_get_nvm(struct iwl_mvm *mvm)
 687 {
 688         int ret;
 689
 690         mutex_lock(&mvm->mutex);
 691
 692         ret = iwl_run_init_mvm_ucode(mvm);
 693
 694         if (ret && ret != -ERFKILL)
 695                 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
 696
 697         if (!iwlmvm_mod_params.init_dbg || !ret)
 698                 iwl_mvm_stop_device(mvm);
 699
 700         mutex_unlock(&mvm->mutex);
 701
 702         if (ret < 0)
 703                 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
 704
 705         return ret;
 706 }
 707
 708 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm)
 709 {
 710         int ret;
 711
 712         iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
 713
 714         ret = iwl_mvm_mac_setup_register(mvm);
 715         if (ret)
 716                 return ret;
 717         mvm->hw_registered = true;
 718
 719         iwl_mvm_dbgfs_register(mvm);
 720
 721         return 0;
 722 }
 723
 724 static struct iwl_op_mode *
 725 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 726                       const struct iwl_fw *fw, struct dentry *dbgfs_dir)
 727 {
 728         struct ieee80211_hw *hw;
 729         struct iwl_op_mode *op_mode;
 730         struct iwl_mvm *mvm;
 731         struct iwl_trans_config trans_cfg = {};
 732         static const u8 no_reclaim_cmds[] = {
 733                 TX_CMD,
 734         };
 735         int err, scan_size;
 736         u32 min_backoff;
 737         enum iwl_amsdu_size rb_size_default;
 738
 739         /*
 740          * We use IWL_MVM_STATION_COUNT_MAX to check the validity of the station
 741          * index all over the driver - check that its value corresponds to the
 742          * array size.
 743          */
 744         BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) !=
 745                      IWL_MVM_STATION_COUNT_MAX);
 746
 747         /********************************
 748          * 1. Allocating and configuring HW data
 749          ********************************/
 750         hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
 751                                 sizeof(struct iwl_mvm),
 752                                 &iwl_mvm_hw_ops);
 753         if (!hw)
 754                 return NULL;
 755
 756         hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
 757
 758         if (cfg->max_tx_agg_size)
 759                 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
 760         else
 761                 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
 762
 763         op_mode = hw->priv;
 764
 765         mvm = IWL_OP_MODE_GET_MVM(op_mode);
 766         mvm->dev = trans->dev;
 767         mvm->trans = trans;
 768         mvm->cfg = cfg;
 769         mvm->fw = fw;
 770         mvm->hw = hw;
 771
 772         iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
 773                             dbgfs_dir);
 774
 775         mvm->init_status = 0;
 776
 777         if (iwl_mvm_has_new_rx_api(mvm)) {
 778                 op_mode->ops = &iwl_mvm_ops_mq;
 779                 trans->rx_mpdu_cmd_hdr_size =
 780                         (trans->trans_cfg->device_family >=
 781                          IWL_DEVICE_FAMILY_AX210) ?
 782                         sizeof(struct iwl_rx_mpdu_desc) :
 783                         IWL_RX_DESC_SIZE_V1;
 784         } else {
 785                 op_mode->ops = &iwl_mvm_ops;
 786                 trans->rx_mpdu_cmd_hdr_size =
 787                         sizeof(struct iwl_rx_mpdu_res_start);
 788
 789                 if (WARN_ON(trans->num_rx_queues > 1))
 790                         goto out_free;
 791         }
 792
 793         mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
 794
 795         mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
 796         mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
 797         mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
 798         mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
 799
 800         mvm->sf_state = SF_UNINIT;
 801         if (iwl_mvm_has_unified_ucode(mvm))
 802                 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
 803         else
 804                 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
 805         mvm->drop_bcn_ap_mode = true;
 806
 807         mutex_init(&mvm->mutex);
 808         spin_lock_init(&mvm->async_handlers_lock);
 809         INIT_LIST_HEAD(&mvm->time_event_list);
 810         INIT_LIST_HEAD(&mvm->aux_roc_te_list);
 811         INIT_LIST_HEAD(&mvm->async_handlers_list);
 812         spin_lock_init(&mvm->time_event_lock);
 813         INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
 814         INIT_LIST_HEAD(&mvm->ftm_initiator.pasn_list);
 815         INIT_LIST_HEAD(&mvm->resp_pasn_list);
 816
 817         INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
 818         INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
 819         INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
 820         INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
 821         INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
 822         INIT_LIST_HEAD(&mvm->add_stream_txqs);
 823
 824         init_waitqueue_head(&mvm->rx_sync_waitq);
 825
 826         mvm->queue_sync_state = 0;
 827
 828         SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
 829
 830         spin_lock_init(&mvm->tcm.lock);
 831         INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
 832         mvm->tcm.ts = jiffies;
 833         mvm->tcm.ll_ts = jiffies;
 834         mvm->tcm.uapsd_nonagg_ts = jiffies;
 835
 836         INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
 837
 838         mvm->cmd_ver.d0i3_resp =
 839                 iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD,
 840                                         0);
 841         /* we only support version 1 */
 842         if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
 843                 goto out_free;
 844
 845         mvm->cmd_ver.range_resp =
 846                 iwl_fw_lookup_notif_ver(mvm->fw, LOCATION_GROUP,
 847                                         TOF_RANGE_RESPONSE_NOTIF, 5);
 848         /* we only support up to version 8 */
 849         if (WARN_ON_ONCE(mvm->cmd_ver.range_resp > 8))
 850                 goto out_free;
 851
 852         /*
 853          * Populate the state variables that the transport layer needs
 854          * to know about.
 855          */
 856         trans_cfg.op_mode = op_mode;
 857         trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
 858         trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
 859
 860         if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
 861                 rb_size_default = IWL_AMSDU_2K;
 862         else
 863                 rb_size_default = IWL_AMSDU_4K;
 864
 865         switch (iwlwifi_mod_params.amsdu_size) {
 866         case IWL_AMSDU_DEF:
 867                 trans_cfg.rx_buf_size = rb_size_default;
 868                 break;
 869         case IWL_AMSDU_4K:
 870                 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
 871                 break;
 872         case IWL_AMSDU_8K:
 873                 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
 874                 break;
 875         case IWL_AMSDU_12K:
 876                 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
 877                 break;
 878         default:
 879                 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
 880                        iwlwifi_mod_params.amsdu_size);
 881                 trans_cfg.rx_buf_size = rb_size_default;
 882         }
 883
 884         trans->wide_cmd_header = true;
 885         trans_cfg.bc_table_dword =
 886                 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
 887
 888         trans_cfg.command_groups = iwl_mvm_groups;
 889         trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
 890
 891         trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
 892         trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
 893         trans_cfg.scd_set_active = true;
 894
 895         trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
 896                                           driver_data[2]);
 897
 898         /* Set a short watchdog for the command queue */
 899         trans_cfg.cmd_q_wdg_timeout =
 900                 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
 901
 902         snprintf(mvm->hw->wiphy->fw_version,
 903                  sizeof(mvm->hw->wiphy->fw_version),
 904                  "%s", fw->fw_version);
 905
 906         trans_cfg.fw_reset_handshake = fw_has_capa(&mvm->fw->ucode_capa,
 907                                                    IWL_UCODE_TLV_CAPA_FW_RESET_HANDSHAKE);
 908
 909         /* Configure transport layer */
 910         iwl_trans_configure(mvm->trans, &trans_cfg);
 911
 912         trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
 913         trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
 914         trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
 915         memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
 916                sizeof(trans->dbg.conf_tlv));
 917         trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
 918
 919         trans->iml = mvm->fw->iml;
 920         trans->iml_len = mvm->fw->iml_len;
 921
 922         /* set up notification wait support */
 923         iwl_notification_wait_init(&mvm->notif_wait);
 924
 925         /* Init phy db */
 926         mvm->phy_db = iwl_phy_db_init(trans);
 927         if (!mvm->phy_db) {
 928                 IWL_ERR(mvm, "Cannot init phy_db\n");
 929                 goto out_free;
 930         }
 931
 932         IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
 933                  mvm->trans->name, mvm->trans->hw_rev);
 934
 935         if (iwlwifi_mod_params.nvm_file)
 936                 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
 937         else
 938                 IWL_DEBUG_EEPROM(mvm->trans->dev,
 939                                  "working without external nvm file\n");
 940
 941         err = iwl_trans_start_hw(mvm->trans);
 942         if (err)
 943                 goto out_free;
 944
 945         scan_size = iwl_mvm_scan_size(mvm);
 946
 947         mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
 948         if (!mvm->scan_cmd)
 949                 goto out_free;
 950
 951         /* invalidate ids to prevent accidental removal of sta_id 0 */
 952         mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
 953         mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
 954
 955         /* Set EBS as successful as long as not stated otherwise by the FW. */
 956         mvm->last_ebs_successful = true;
 957
 958         min_backoff = iwl_mvm_min_backoff(mvm);
 959         iwl_mvm_thermal_initialize(mvm, min_backoff);
 960
 961         if (!iwl_mvm_has_new_rx_stats_api(mvm))
 962                 memset(&mvm->rx_stats_v3, 0,
 963                        sizeof(struct mvm_statistics_rx_v3));
 964         else
 965                 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
 966
 967         mvm->debugfs_dir = dbgfs_dir;
 968
 969         if (iwl_mvm_start_get_nvm(mvm))
 970                 goto out_thermal_exit;
 971
 972         if (iwl_mvm_start_post_nvm(mvm))
 973                 goto out_thermal_exit;
 974
 975         return op_mode;
 976
 977  out_thermal_exit:
 978         iwl_mvm_thermal_exit(mvm);
 979  out_free:
 980         iwl_fw_flush_dumps(&mvm->fwrt);
 981         iwl_fw_runtime_free(&mvm->fwrt);
 982
 983         if (iwlmvm_mod_params.init_dbg)
 984                 return op_mode;
 985         iwl_phy_db_free(mvm->phy_db);
 986         kfree(mvm->scan_cmd);
 987         iwl_trans_op_mode_leave(trans);
 988
 989         ieee80211_free_hw(mvm->hw);
 990         return NULL;
 991 }
 992
 993 void iwl_mvm_stop_device(struct iwl_mvm *mvm)
 994 {
 995         lockdep_assert_held(&mvm->mutex);
 996
 997         iwl_fw_cancel_timestamp(&mvm->fwrt);
 998
 999         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1000
1001         iwl_fw_dbg_stop_sync(&mvm->fwrt);
1002         iwl_trans_stop_device(mvm->trans);
1003         iwl_free_fw_paging(&mvm->fwrt);
1004         iwl_fw_dump_conf_clear(&mvm->fwrt);
1005 }
1006
1007 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
1008 {
1009         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1010         int i;
1011
1012         iwl_mvm_leds_exit(mvm);
1013
1014         iwl_mvm_thermal_exit(mvm);
1015
1016         ieee80211_unregister_hw(mvm->hw);
1017
1018         kfree(mvm->scan_cmd);
1019         kfree(mvm->mcast_filter_cmd);
1020         mvm->mcast_filter_cmd = NULL;
1021
1022         kfree(mvm->error_recovery_buf);
1023         mvm->error_recovery_buf = NULL;
1024
1025         iwl_trans_op_mode_leave(mvm->trans);
1026
1027         iwl_phy_db_free(mvm->phy_db);
1028         mvm->phy_db = NULL;
1029
1030         kfree(mvm->nvm_data);
1031         for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
1032                 kfree(mvm->nvm_sections[i].data);
1033
1034         cancel_delayed_work_sync(&mvm->tcm.work);
1035
1036         iwl_fw_runtime_free(&mvm->fwrt);
1037         mutex_destroy(&mvm->mutex);
1038
1039         ieee80211_free_hw(mvm->hw);
1040 }
1041
1042 struct iwl_async_handler_entry {
1043         struct list_head list;
1044         struct iwl_rx_cmd_buffer rxb;
1045         enum iwl_rx_handler_context context;
1046         void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1047 };
1048
1049 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
1050 {
1051         struct iwl_async_handler_entry *entry, *tmp;
1052
1053         spin_lock_bh(&mvm->async_handlers_lock);
1054         list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
1055                 iwl_free_rxb(&entry->rxb);
1056                 list_del(&entry->list);
1057                 kfree(entry);
1058         }
1059         spin_unlock_bh(&mvm->async_handlers_lock);
1060 }
1061
1062 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
1063 {
1064         struct iwl_mvm *mvm =
1065                 container_of(wk, struct iwl_mvm, async_handlers_wk);
1066         struct iwl_async_handler_entry *entry, *tmp;
1067         LIST_HEAD(local_list);
1068
1069         /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
1070
1071         /*
1072          * Sync with Rx path with a lock. Remove all the entries from this list,
1073          * add them to a local one (lock free), and then handle them.
1074          */
1075         spin_lock_bh(&mvm->async_handlers_lock);
1076         list_splice_init(&mvm->async_handlers_list, &local_list);
1077         spin_unlock_bh(&mvm->async_handlers_lock);
1078
1079         list_for_each_entry_safe(entry, tmp, &local_list, list) {
1080                 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1081                         mutex_lock(&mvm->mutex);
1082                 entry->fn(mvm, &entry->rxb);
1083                 iwl_free_rxb(&entry->rxb);
1084                 list_del(&entry->list);
1085                 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
1086                         mutex_unlock(&mvm->mutex);
1087                 kfree(entry);
1088         }
1089 }
1090
1091 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
1092                                             struct iwl_rx_packet *pkt)
1093 {
1094         struct iwl_fw_dbg_trigger_tlv *trig;
1095         struct iwl_fw_dbg_trigger_cmd *cmds_trig;
1096         int i;
1097
1098         trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
1099                                      FW_DBG_TRIGGER_FW_NOTIF);
1100         if (!trig)
1101                 return;
1102
1103         cmds_trig = (void *)trig->data;
1104
1105         for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1106                 /* don't collect on CMD 0 */
1107                 if (!cmds_trig->cmds[i].cmd_id)
1108                         break;
1109
1110                 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1111                     cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1112                         continue;
1113
1114                 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1115                                         "CMD 0x%02x.%02x received",
1116                                         pkt->hdr.group_id, pkt->hdr.cmd);
1117                 break;
1118         }
1119 }
1120
1121 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1122                               struct iwl_rx_cmd_buffer *rxb,
1123                               struct iwl_rx_packet *pkt)
1124 {
1125         unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
1126         int i;
1127         union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1128
1129         iwl_dbg_tlv_time_point(&mvm->fwrt,
1130                                IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1131         iwl_mvm_rx_check_trigger(mvm, pkt);
1132
1133         /*
1134          * Do the notification wait before RX handlers so
1135          * even if the RX handler consumes the RXB we have
1136          * access to it in the notification wait entry.
1137          */
1138         iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1139
1140         for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1141                 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1142                 struct iwl_async_handler_entry *entry;
1143
1144                 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1145                         continue;
1146
1147                 if (unlikely(pkt_len < rx_h->min_size))
1148                         return;
1149
1150                 if (rx_h->context == RX_HANDLER_SYNC) {
1151                         rx_h->fn(mvm, rxb);
1152                         return;
1153                 }
1154
1155                 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1156                 /* we can't do much... */
1157                 if (!entry)
1158                         return;
1159
1160                 entry->rxb._page = rxb_steal_page(rxb);
1161                 entry->rxb._offset = rxb->_offset;
1162                 entry->rxb._rx_page_order = rxb->_rx_page_order;
1163                 entry->fn = rx_h->fn;
1164                 entry->context = rx_h->context;
1165                 spin_lock(&mvm->async_handlers_lock);
1166                 list_add_tail(&entry->list, &mvm->async_handlers_list);
1167                 spin_unlock(&mvm->async_handlers_lock);
1168                 schedule_work(&mvm->async_handlers_wk);
1169                 break;
1170         }
1171 }
1172
1173 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1174                        struct napi_struct *napi,
1175                        struct iwl_rx_cmd_buffer *rxb)
1176 {
1177         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1178         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1179         u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1180
1181         if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1182                 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1183         else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1184                 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1185         else
1186                 iwl_mvm_rx_common(mvm, rxb, pkt);
1187 }
1188
1189 void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1190                    struct napi_struct *napi,
1191                    struct iwl_rx_cmd_buffer *rxb)
1192 {
1193         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1194         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1195         u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1196
1197         if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1198                 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1199         else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1200                                          RX_QUEUES_NOTIFICATION)))
1201                 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1202         else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1203                 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1204         else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1205                 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1206         else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1207                 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1208         else
1209                 iwl_mvm_rx_common(mvm, rxb, pkt);
1210 }
1211
1212 static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1213                              const struct iwl_device_cmd *cmd)
1214 {
1215         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1216
1217         /*
1218          * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1219          * commands that need to block the Tx queues.
1220          */
1221         iwl_trans_block_txq_ptrs(mvm->trans, false);
1222 }
1223
1224 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1225 {
1226         return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1227                 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1228 }
1229
1230 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1231                                        int hw_queue, bool start)
1232 {
1233         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1234         struct ieee80211_sta *sta;
1235         struct ieee80211_txq *txq;
1236         struct iwl_mvm_txq *mvmtxq;
1237         int i;
1238         unsigned long tid_bitmap;
1239         struct iwl_mvm_sta *mvmsta;
1240         u8 sta_id;
1241
1242         sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1243                 mvm->tvqm_info[hw_queue].sta_id :
1244                 mvm->queue_info[hw_queue].ra_sta_id;
1245
1246         if (WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations))
1247                 return;
1248
1249         rcu_read_lock();
1250
1251         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1252         if (IS_ERR_OR_NULL(sta))
1253                 goto out;
1254         mvmsta = iwl_mvm_sta_from_mac80211(sta);
1255
1256         if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1257                 if (!start)
1258                         ieee80211_stop_queues(mvm->hw);
1259                 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1260                         ieee80211_wake_queues(mvm->hw);
1261
1262                 goto out;
1263         }
1264
1265         if (iwl_mvm_has_new_tx_api(mvm)) {
1266                 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1267
1268                 tid_bitmap = BIT(tid);
1269         } else {
1270                 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1271         }
1272
1273         for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1274                 int tid = i;
1275
1276                 if (tid == IWL_MAX_TID_COUNT)
1277                         tid = IEEE80211_NUM_TIDS;
1278
1279                 txq = sta->txq[tid];
1280                 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1281                 mvmtxq->stopped = !start;
1282
1283                 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1284                         iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1285         }
1286
1287 out:
1288         rcu_read_unlock();
1289 }
1290
1291 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1292 {
1293         iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1294 }
1295
1296 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1297 {
1298         iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1299 }
1300
1301 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1302 {
1303         bool state = iwl_mvm_is_radio_killed(mvm);
1304
1305         if (state)
1306                 wake_up(&mvm->rx_sync_waitq);
1307
1308         wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1309 }
1310
1311 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1312 {
1313         if (state)
1314                 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1315         else
1316                 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1317
1318         iwl_mvm_set_rfkill_state(mvm);
1319 }
1320
1321 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1322 {
1323         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1324         bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1325         bool unified = iwl_mvm_has_unified_ucode(mvm);
1326
1327         if (state)
1328                 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1329         else
1330                 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1331
1332         iwl_mvm_set_rfkill_state(mvm);
1333
1334          /* iwl_run_init_mvm_ucode is waiting for results, abort it. */
1335         if (rfkill_safe_init_done)
1336                 iwl_abort_notification_waits(&mvm->notif_wait);
1337
1338         /*
1339          * Don't ask the transport to stop the firmware. We'll do it
1340          * after cfg80211 takes us down.
1341          */
1342         if (unified)
1343                 return false;
1344
1345         /*
1346          * Stop the device if we run OPERATIONAL firmware or if we are in the
1347          * middle of the calibrations.
1348          */
1349         return state && rfkill_safe_init_done;
1350 }
1351
1352 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1353 {
1354         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1355         struct ieee80211_tx_info *info;
1356
1357         info = IEEE80211_SKB_CB(skb);
1358         iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1359         ieee80211_free_txskb(mvm->hw, skb);
1360 }
1361
1362 struct iwl_mvm_reprobe {
1363         struct device *dev;
1364         struct work_struct work;
1365 };
1366
1367 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1368 {
1369         struct iwl_mvm_reprobe *reprobe;
1370
1371         reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1372         if (device_reprobe(reprobe->dev))
1373                 dev_err(reprobe->dev, "reprobe failed!\n");
1374         put_device(reprobe->dev);
1375         kfree(reprobe);
1376         module_put(THIS_MODULE);
1377 }
1378
1379 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1380 {
1381         iwl_abort_notification_waits(&mvm->notif_wait);
1382         iwl_dbg_tlv_del_timers(mvm->trans);
1383
1384         /*
1385          * This is a bit racy, but worst case we tell mac80211 about
1386          * a stopped/aborted scan when that was already done which
1387          * is not a problem. It is necessary to abort any os scan
1388          * here because mac80211 requires having the scan cleared
1389          * before restarting.
1390          * We'll reset the scan_status to NONE in restart cleanup in
1391          * the next start() call from mac80211. If restart isn't called
1392          * (no fw restart) scan status will stay busy.
1393          */
1394         iwl_mvm_report_scan_aborted(mvm);
1395
1396         /*
1397          * If we're restarting already, don't cycle restarts.
1398          * If INIT fw asserted, it will likely fail again.
1399          * If WoWLAN fw asserted, don't restart either, mac80211
1400          * can't recover this since we're already half suspended.
1401          */
1402         if (!mvm->fw_restart && fw_error) {
1403                 iwl_fw_error_collect(&mvm->fwrt);
1404         } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1405                 struct iwl_mvm_reprobe *reprobe;
1406
1407                 IWL_ERR(mvm,
1408                         "Firmware error during reconfiguration - reprobe!\n");
1409
1410                 /*
1411                  * get a module reference to avoid doing this while unloading
1412                  * anyway and to avoid scheduling a work with code that's
1413                  * being removed.
1414                  */
1415                 if (!try_module_get(THIS_MODULE)) {
1416                         IWL_ERR(mvm, "Module is being unloaded - abort\n");
1417                         return;
1418                 }
1419
1420                 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1421                 if (!reprobe) {
1422                         module_put(THIS_MODULE);
1423                         return;
1424                 }
1425                 reprobe->dev = get_device(mvm->trans->dev);
1426                 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1427                 schedule_work(&reprobe->work);
1428         } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1429                             &mvm->status)) {
1430                 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1431         } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1432                    mvm->hw_registered &&
1433                    !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1434                 /* This should be first thing before trying to collect any
1435                  * data to avoid endless loops if any HW error happens while
1436                  * collecting debug data.
1437                  */
1438                 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1439
1440                 if (mvm->fw->ucode_capa.error_log_size) {
1441                         u32 src_size = mvm->fw->ucode_capa.error_log_size;
1442                         u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1443                         u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1444
1445                         if (recover_buf) {
1446                                 mvm->error_recovery_buf = recover_buf;
1447                                 iwl_trans_read_mem_bytes(mvm->trans,
1448                                                          src_addr,
1449                                                          recover_buf,
1450                                                          src_size);
1451                         }
1452                 }
1453
1454                 iwl_fw_error_collect(&mvm->fwrt);
1455
1456                 if (fw_error && mvm->fw_restart > 0)
1457                         mvm->fw_restart--;
1458                 ieee80211_restart_hw(mvm->hw);
1459         }
1460 }
1461
1462 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1463 {
1464         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1465
1466         if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
1467                 iwl_mvm_dump_nic_error_log(mvm);
1468
1469         iwl_mvm_nic_restart(mvm, true);
1470 }
1471
1472 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1473 {
1474         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1475
1476         WARN_ON(1);
1477         iwl_mvm_nic_restart(mvm, true);
1478 }
1479
1480 static void iwl_op_mode_mvm_time_point(struct iwl_op_mode *op_mode,
1481                                        enum iwl_fw_ini_time_point tp_id,
1482                                        union iwl_dbg_tlv_tp_data *tp_data)
1483 {
1484         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1485
1486         iwl_dbg_tlv_time_point(&mvm->fwrt, tp_id, tp_data);
1487 }
1488
1489 #define IWL_MVM_COMMON_OPS                                      \
1490         /* these could be differentiated */                     \
1491         .async_cb = iwl_mvm_async_cb,                           \
1492         .queue_full = iwl_mvm_stop_sw_queue,                    \
1493         .queue_not_full = iwl_mvm_wake_sw_queue,                \
1494         .hw_rf_kill = iwl_mvm_set_hw_rfkill_state,              \
1495         .free_skb = iwl_mvm_free_skb,                           \
1496         .nic_error = iwl_mvm_nic_error,                         \
1497         .cmd_queue_full = iwl_mvm_cmd_queue_full,               \
1498         .nic_config = iwl_mvm_nic_config,                       \
1499         /* as we only register one, these MUST be common! */    \
1500         .start = iwl_op_mode_mvm_start,                         \
1501         .stop = iwl_op_mode_mvm_stop,                           \
1502         .time_point = iwl_op_mode_mvm_time_point
1503
1504 static const struct iwl_op_mode_ops iwl_mvm_ops = {
1505         IWL_MVM_COMMON_OPS,
1506         .rx = iwl_mvm_rx,
1507 };
1508
1509 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1510                               struct napi_struct *napi,
1511                               struct iwl_rx_cmd_buffer *rxb,
1512                               unsigned int queue)
1513 {
1514         struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1515         struct iwl_rx_packet *pkt = rxb_addr(rxb);
1516         u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1517
1518         if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1519                 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
1520         else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1521                                          RX_QUEUES_NOTIFICATION)))
1522                 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
1523         else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1524                 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1525 }
1526
1527 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1528         IWL_MVM_COMMON_OPS,
1529         .rx = iwl_mvm_rx_mq,
1530         .rx_rss = iwl_mvm_rx_mq_rss,
1531 };