iwlwifi: move under intel vendor directory
[cascardo/linux.git] / drivers / net / wireless / iwlwifi / mvm / ops.c
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
deleted file mode 100644 (file)
index 13c97f6..0000000
+++ /dev/null
@@ -1,1434 +0,0 @@
-/******************************************************************************
- *
- * This file is provided under a dual BSD/GPLv2 license.  When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
- * The full GNU General Public License is included in this distribution
- * in the file called COPYING.
- *
- * Contact Information:
- *  Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- * BSD LICENSE
- *
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *  * Neither the name Intel Corporation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *****************************************************************************/
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-#include <net/mac80211.h>
-
-#include "iwl-notif-wait.h"
-#include "iwl-trans.h"
-#include "iwl-op-mode.h"
-#include "iwl-fw.h"
-#include "iwl-debug.h"
-#include "iwl-drv.h"
-#include "iwl-modparams.h"
-#include "mvm.h"
-#include "iwl-phy-db.h"
-#include "iwl-eeprom-parse.h"
-#include "iwl-csr.h"
-#include "iwl-io.h"
-#include "iwl-prph.h"
-#include "rs.h"
-#include "fw-api-scan.h"
-#include "time-event.h"
-
-#define DRV_DESCRIPTION        "The new Intel(R) wireless AGN driver for Linux"
-MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
-MODULE_LICENSE("GPL");
-
-static const struct iwl_op_mode_ops iwl_mvm_ops;
-static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
-
-struct iwl_mvm_mod_params iwlmvm_mod_params = {
-       .power_scheme = IWL_POWER_SCHEME_BPS,
-       .tfd_q_hang_detect = true
-       /* rest of fields are 0 by default */
-};
-
-module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, S_IRUGO);
-MODULE_PARM_DESC(init_dbg,
-                "set to true to debug an ASSERT in INIT fw (default: false");
-module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO);
-MODULE_PARM_DESC(power_scheme,
-                "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
-module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
-                  bool, S_IRUGO);
-MODULE_PARM_DESC(tfd_q_hang_detect,
-                "TFD queues hang detection (default: true");
-
-/*
- * module init and exit functions
- */
-static int __init iwl_mvm_init(void)
-{
-       int ret;
-
-       ret = iwl_mvm_rate_control_register();
-       if (ret) {
-               pr_err("Unable to register rate control algorithm: %d\n", ret);
-               return ret;
-       }
-
-       ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
-
-       if (ret) {
-               pr_err("Unable to register MVM op_mode: %d\n", ret);
-               iwl_mvm_rate_control_unregister();
-       }
-
-       return ret;
-}
-module_init(iwl_mvm_init);
-
-static void __exit iwl_mvm_exit(void)
-{
-       iwl_opmode_deregister("iwlmvm");
-       iwl_mvm_rate_control_unregister();
-}
-module_exit(iwl_mvm_exit);
-
-static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
-       u32 reg_val = 0;
-       u32 phy_config = iwl_mvm_get_phy_config(mvm);
-
-       radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
-                        FW_PHY_CFG_RADIO_TYPE_POS;
-       radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
-                        FW_PHY_CFG_RADIO_STEP_POS;
-       radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
-                        FW_PHY_CFG_RADIO_DASH_POS;
-
-       /* SKU control */
-       reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
-                               CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
-       reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
-                               CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
-
-       /* radio configuration */
-       reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
-       reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
-       reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
-
-       WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
-                ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
-
-       /*
-        * TODO: Bits 7-8 of CSR in 8000 HW family set the ADC sampling, and
-        * shouldn't be set to any non-zero value. The same is supposed to be
-        * true of the other HW, but unsetting them (such as the 7260) causes
-        * automatic tests to fail on seemingly unrelated errors. Need to
-        * further investigate this, but for now we'll separate cases.
-        */
-       if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
-               reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
-
-       iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
-                               CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
-                               CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
-                               CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
-                               CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
-                               CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
-                               CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
-                               CSR_HW_IF_CONFIG_REG_BIT_MAC_SI,
-                               reg_val);
-
-       IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
-                      radio_cfg_step, radio_cfg_dash);
-
-       /*
-        * W/A : NIC is stuck in a reset state after Early PCIe power off
-        * (PCIe power is lost before PERST# is asserted), causing ME FW
-        * to lose ownership and not being able to obtain it back.
-        */
-       if (!mvm->trans->cfg->apmg_not_supported)
-               iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
-                                      APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
-                                      ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
-}
-
-struct iwl_rx_handlers {
-       u16 cmd_id;
-       bool async;
-       void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
-};
-
-#define RX_HANDLER(_cmd_id, _fn, _async)       \
-       { .cmd_id = _cmd_id , .fn = _fn , .async = _async }
-#define RX_HANDLER_GRP(_grp, _cmd, _fn, _async)        \
-       { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .async = _async }
-
-/*
- * Handlers for fw notifications
- * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
- * This list should be in order of frequency for performance purposes.
- *
- * The handler can be SYNC - this means that it will be called in the Rx path
- * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and
- * only in this case!), it should be set as ASYNC. In that case, it will be
- * called from a worker with mvm->mutex held.
- */
-static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
-       RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false),
-       RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
-
-       RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true),
-       RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true),
-       RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true),
-       RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION,
-                  iwl_mvm_rx_ant_coupling_notif, true),
-
-       RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false),
-       RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc, true),
-
-       RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false),
-
-       RX_HANDLER(SCAN_ITERATION_COMPLETE,
-                  iwl_mvm_rx_lmac_scan_iter_complete_notif, false),
-       RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
-                  iwl_mvm_rx_lmac_scan_complete_notif, true),
-       RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
-                  false),
-       RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
-                  true),
-       RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
-                  iwl_mvm_rx_umac_scan_iter_complete_notif, false),
-
-       RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false),
-
-       RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
-                  false),
-
-       RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false),
-       RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
-                  iwl_mvm_power_uapsd_misbehaving_ap_notif, false),
-       RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true),
-       RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
-                      iwl_mvm_temp_notif, true),
-
-       RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
-                  true),
-       RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false),
-       RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true),
-
-};
-#undef RX_HANDLER
-#undef RX_HANDLER_GRP
-#define CMD(x) [x] = #x
-
-static const char *const iwl_mvm_cmd_strings[REPLY_MAX + 1] = {
-       CMD(MVM_ALIVE),
-       CMD(REPLY_ERROR),
-       CMD(ECHO_CMD),
-       CMD(INIT_COMPLETE_NOTIF),
-       CMD(PHY_CONTEXT_CMD),
-       CMD(MGMT_MCAST_KEY),
-       CMD(TX_CMD),
-       CMD(TXPATH_FLUSH),
-       CMD(SHARED_MEM_CFG),
-       CMD(MAC_CONTEXT_CMD),
-       CMD(TIME_EVENT_CMD),
-       CMD(TIME_EVENT_NOTIFICATION),
-       CMD(BINDING_CONTEXT_CMD),
-       CMD(TIME_QUOTA_CMD),
-       CMD(NON_QOS_TX_COUNTER_CMD),
-       CMD(DC2DC_CONFIG_CMD),
-       CMD(NVM_ACCESS_CMD),
-       CMD(PHY_CONFIGURATION_CMD),
-       CMD(CALIB_RES_NOTIF_PHY_DB),
-       CMD(SET_CALIB_DEFAULT_CMD),
-       CMD(FW_PAGING_BLOCK_CMD),
-       CMD(ADD_STA_KEY),
-       CMD(ADD_STA),
-       CMD(FW_GET_ITEM_CMD),
-       CMD(REMOVE_STA),
-       CMD(LQ_CMD),
-       CMD(SCAN_OFFLOAD_CONFIG_CMD),
-       CMD(MATCH_FOUND_NOTIFICATION),
-       CMD(SCAN_OFFLOAD_REQUEST_CMD),
-       CMD(SCAN_OFFLOAD_ABORT_CMD),
-       CMD(HOT_SPOT_CMD),
-       CMD(SCAN_OFFLOAD_COMPLETE),
-       CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
-       CMD(SCAN_ITERATION_COMPLETE),
-       CMD(POWER_TABLE_CMD),
-       CMD(WEP_KEY),
-       CMD(REPLY_RX_PHY_CMD),
-       CMD(REPLY_RX_MPDU_CMD),
-       CMD(BEACON_NOTIFICATION),
-       CMD(BEACON_TEMPLATE_CMD),
-       CMD(STATISTICS_CMD),
-       CMD(STATISTICS_NOTIFICATION),
-       CMD(EOSP_NOTIFICATION),
-       CMD(REDUCE_TX_POWER_CMD),
-       CMD(TX_ANT_CONFIGURATION_CMD),
-       CMD(D3_CONFIG_CMD),
-       CMD(D0I3_END_CMD),
-       CMD(PROT_OFFLOAD_CONFIG_CMD),
-       CMD(OFFLOADS_QUERY_CMD),
-       CMD(REMOTE_WAKE_CONFIG_CMD),
-       CMD(WOWLAN_PATTERNS),
-       CMD(WOWLAN_CONFIGURATION),
-       CMD(WOWLAN_TSC_RSC_PARAM),
-       CMD(WOWLAN_TKIP_PARAM),
-       CMD(WOWLAN_KEK_KCK_MATERIAL),
-       CMD(WOWLAN_GET_STATUSES),
-       CMD(WOWLAN_TX_POWER_PER_DB),
-       CMD(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
-       CMD(SCAN_OFFLOAD_HOTSPOTS_CONFIG_CMD),
-       CMD(SCAN_OFFLOAD_HOTSPOTS_QUERY_CMD),
-       CMD(CARD_STATE_NOTIFICATION),
-       CMD(MISSED_BEACONS_NOTIFICATION),
-       CMD(BT_COEX_PRIO_TABLE),
-       CMD(BT_COEX_PROT_ENV),
-       CMD(BT_PROFILE_NOTIFICATION),
-       CMD(BT_CONFIG),
-       CMD(MCAST_FILTER_CMD),
-       CMD(BCAST_FILTER_CMD),
-       CMD(REPLY_SF_CFG_CMD),
-       CMD(REPLY_BEACON_FILTERING_CMD),
-       CMD(CMD_DTS_MEASUREMENT_TRIGGER),
-       CMD(DTS_MEASUREMENT_NOTIFICATION),
-       CMD(REPLY_THERMAL_MNG_BACKOFF),
-       CMD(MAC_PM_POWER_TABLE),
-       CMD(LTR_CONFIG),
-       CMD(BT_COEX_CI),
-       CMD(BT_COEX_UPDATE_SW_BOOST),
-       CMD(BT_COEX_UPDATE_CORUN_LUT),
-       CMD(BT_COEX_UPDATE_REDUCED_TXP),
-       CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
-       CMD(ANTENNA_COUPLING_NOTIFICATION),
-       CMD(SCD_QUEUE_CFG),
-       CMD(SCAN_CFG_CMD),
-       CMD(SCAN_REQ_UMAC),
-       CMD(SCAN_ABORT_UMAC),
-       CMD(SCAN_COMPLETE_UMAC),
-       CMD(TDLS_CHANNEL_SWITCH_CMD),
-       CMD(TDLS_CHANNEL_SWITCH_NOTIFICATION),
-       CMD(TDLS_CONFIG_CMD),
-       CMD(MCC_UPDATE_CMD),
-       CMD(SCAN_ITERATION_COMPLETE_UMAC),
-};
-#undef CMD
-
-/* this forward declaration can avoid to export the function */
-static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
-static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
-
-static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg)
-{
-       const struct iwl_pwr_tx_backoff *pwr_tx_backoff = cfg->pwr_tx_backoffs;
-
-       if (!pwr_tx_backoff)
-               return 0;
-
-       while (pwr_tx_backoff->pwr) {
-               if (trans->dflt_pwr_limit >= pwr_tx_backoff->pwr)
-                       return pwr_tx_backoff->backoff;
-
-               pwr_tx_backoff++;
-       }
-
-       return 0;
-}
-
-static void iwl_mvm_fw_error_dump_wk(struct work_struct *work);
-
-static struct iwl_op_mode *
-iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
-                     const struct iwl_fw *fw, struct dentry *dbgfs_dir)
-{
-       struct ieee80211_hw *hw;
-       struct iwl_op_mode *op_mode;
-       struct iwl_mvm *mvm;
-       struct iwl_trans_config trans_cfg = {};
-       static const u8 no_reclaim_cmds[] = {
-               TX_CMD,
-       };
-       int err, scan_size;
-       u32 min_backoff;
-
-       /*
-        * We use IWL_MVM_STATION_COUNT to check the validity of the station
-        * index all over the driver - check that its value corresponds to the
-        * array size.
-        */
-       BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
-
-       /********************************
-        * 1. Allocating and configuring HW data
-        ********************************/
-       hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
-                               sizeof(struct iwl_mvm),
-                               &iwl_mvm_hw_ops);
-       if (!hw)
-               return NULL;
-
-       if (cfg->max_rx_agg_size)
-               hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
-
-       if (cfg->max_tx_agg_size)
-               hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
-
-       op_mode = hw->priv;
-
-       mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       mvm->dev = trans->dev;
-       mvm->trans = trans;
-       mvm->cfg = cfg;
-       mvm->fw = fw;
-       mvm->hw = hw;
-
-       if (iwl_mvm_has_new_rx_api(mvm)) {
-               op_mode->ops = &iwl_mvm_ops_mq;
-       } else {
-               op_mode->ops = &iwl_mvm_ops;
-
-               if (WARN_ON(trans->num_rx_queues > 1))
-                       goto out_free;
-       }
-
-       mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0;
-
-       mvm->aux_queue = 15;
-       mvm->first_agg_queue = 16;
-       mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1;
-       if (mvm->cfg->base_params->num_of_queues == 16) {
-               mvm->aux_queue = 11;
-               mvm->first_agg_queue = 12;
-       }
-       mvm->sf_state = SF_UNINIT;
-       mvm->low_latency_agg_frame_limit = 6;
-       mvm->cur_ucode = IWL_UCODE_INIT;
-
-       mutex_init(&mvm->mutex);
-       mutex_init(&mvm->d0i3_suspend_mutex);
-       spin_lock_init(&mvm->async_handlers_lock);
-       INIT_LIST_HEAD(&mvm->time_event_list);
-       INIT_LIST_HEAD(&mvm->aux_roc_te_list);
-       INIT_LIST_HEAD(&mvm->async_handlers_list);
-       spin_lock_init(&mvm->time_event_lock);
-       spin_lock_init(&mvm->queue_info_lock);
-
-       INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
-       INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
-       INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk);
-       INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
-       INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk);
-       INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
-
-       spin_lock_init(&mvm->d0i3_tx_lock);
-       spin_lock_init(&mvm->refs_lock);
-       skb_queue_head_init(&mvm->d0i3_tx);
-       init_waitqueue_head(&mvm->d0i3_exit_waitq);
-
-       SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
-
-       /*
-        * Populate the state variables that the transport layer needs
-        * to know about.
-        */
-       trans_cfg.op_mode = op_mode;
-       trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
-       trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
-       trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K;
-       trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa,
-                                              IWL_UCODE_TLV_API_WIDE_CMD_HDR);
-
-       if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE)
-               trans_cfg.bc_table_dword = true;
-
-       trans_cfg.command_names = iwl_mvm_cmd_strings;
-
-       trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE;
-       trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
-       trans_cfg.scd_set_active = true;
-
-       trans_cfg.sdio_adma_addr = fw->sdio_adma_addr;
-
-       /* Set a short watchdog for the command queue */
-       trans_cfg.cmd_q_wdg_timeout =
-               iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
-
-       snprintf(mvm->hw->wiphy->fw_version,
-                sizeof(mvm->hw->wiphy->fw_version),
-                "%s", fw->fw_version);
-
-       /* Configure transport layer */
-       iwl_trans_configure(mvm->trans, &trans_cfg);
-
-       trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
-       trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start);
-       trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv;
-       trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num;
-       memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv,
-              sizeof(trans->dbg_conf_tlv));
-       trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv;
-
-       /* set up notification wait support */
-       iwl_notification_wait_init(&mvm->notif_wait);
-
-       /* Init phy db */
-       mvm->phy_db = iwl_phy_db_init(trans);
-       if (!mvm->phy_db) {
-               IWL_ERR(mvm, "Cannot init phy_db\n");
-               goto out_free;
-       }
-
-       IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
-                mvm->cfg->name, mvm->trans->hw_rev);
-
-       min_backoff = calc_min_backoff(trans, cfg);
-       iwl_mvm_tt_initialize(mvm, min_backoff);
-
-       if (iwlwifi_mod_params.nvm_file)
-               mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
-       else
-               IWL_DEBUG_EEPROM(mvm->trans->dev,
-                                "working without external nvm file\n");
-
-       if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name,
-                "not allowing power-up and not having nvm_file\n"))
-               goto out_free;
-
-       /*
-        * Even if nvm exists in the nvm_file driver should read again the nvm
-        * from the nic because there might be entries that exist in the OTP
-        * and not in the file.
-        * for nics with no_power_up_nic_in_init: rely completley on nvm_file
-        */
-       if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) {
-               err = iwl_nvm_init(mvm, false);
-               if (err)
-                       goto out_free;
-       } else {
-               err = iwl_trans_start_hw(mvm->trans);
-               if (err)
-                       goto out_free;
-
-               mutex_lock(&mvm->mutex);
-               err = iwl_run_init_mvm_ucode(mvm, true);
-               if (!err || !iwlmvm_mod_params.init_dbg)
-                       iwl_trans_stop_device(trans);
-               mutex_unlock(&mvm->mutex);
-               /* returns 0 if successful, 1 if success but in rfkill */
-               if (err < 0 && !iwlmvm_mod_params.init_dbg) {
-                       IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
-                       goto out_free;
-               }
-       }
-
-       scan_size = iwl_mvm_scan_size(mvm);
-
-       mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
-       if (!mvm->scan_cmd)
-               goto out_free;
-
-       /* Set EBS as successful as long as not stated otherwise by the FW. */
-       mvm->last_ebs_successful = true;
-
-       err = iwl_mvm_mac_setup_register(mvm);
-       if (err)
-               goto out_free;
-
-       err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
-       if (err)
-               goto out_unregister;
-
-       memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
-
-       /* rpm starts with a taken ref. only set the appropriate bit here. */
-       mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1;
-
-       iwl_mvm_tof_init(mvm);
-
-       return op_mode;
-
- out_unregister:
-       ieee80211_unregister_hw(mvm->hw);
-       iwl_mvm_leds_exit(mvm);
- out_free:
-       flush_delayed_work(&mvm->fw_dump_wk);
-       iwl_phy_db_free(mvm->phy_db);
-       kfree(mvm->scan_cmd);
-       if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name)
-               iwl_trans_op_mode_leave(trans);
-       ieee80211_free_hw(mvm->hw);
-       return NULL;
-}
-
-static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       int i;
-
-       iwl_mvm_leds_exit(mvm);
-
-       iwl_mvm_tt_exit(mvm);
-
-       ieee80211_unregister_hw(mvm->hw);
-
-       kfree(mvm->scan_cmd);
-       kfree(mvm->mcast_filter_cmd);
-       mvm->mcast_filter_cmd = NULL;
-
-#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
-       kfree(mvm->d3_resume_sram);
-       if (mvm->nd_config) {
-               kfree(mvm->nd_config->match_sets);
-               kfree(mvm->nd_config->scan_plans);
-               kfree(mvm->nd_config);
-               mvm->nd_config = NULL;
-       }
-#endif
-
-       iwl_trans_op_mode_leave(mvm->trans);
-
-       iwl_phy_db_free(mvm->phy_db);
-       mvm->phy_db = NULL;
-
-       iwl_free_nvm_data(mvm->nvm_data);
-       for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
-               kfree(mvm->nvm_sections[i].data);
-
-       iwl_mvm_tof_clean(mvm);
-
-       ieee80211_free_hw(mvm->hw);
-}
-
-struct iwl_async_handler_entry {
-       struct list_head list;
-       struct iwl_rx_cmd_buffer rxb;
-       void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
-};
-
-void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
-{
-       struct iwl_async_handler_entry *entry, *tmp;
-
-       spin_lock_bh(&mvm->async_handlers_lock);
-       list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
-               iwl_free_rxb(&entry->rxb);
-               list_del(&entry->list);
-               kfree(entry);
-       }
-       spin_unlock_bh(&mvm->async_handlers_lock);
-}
-
-static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
-{
-       struct iwl_mvm *mvm =
-               container_of(wk, struct iwl_mvm, async_handlers_wk);
-       struct iwl_async_handler_entry *entry, *tmp;
-       struct list_head local_list;
-
-       INIT_LIST_HEAD(&local_list);
-
-       /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
-       mutex_lock(&mvm->mutex);
-
-       /*
-        * Sync with Rx path with a lock. Remove all the entries from this list,
-        * add them to a local one (lock free), and then handle them.
-        */
-       spin_lock_bh(&mvm->async_handlers_lock);
-       list_splice_init(&mvm->async_handlers_list, &local_list);
-       spin_unlock_bh(&mvm->async_handlers_lock);
-
-       list_for_each_entry_safe(entry, tmp, &local_list, list) {
-               entry->fn(mvm, &entry->rxb);
-               iwl_free_rxb(&entry->rxb);
-               list_del(&entry->list);
-               kfree(entry);
-       }
-       mutex_unlock(&mvm->mutex);
-}
-
-static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
-                                           struct iwl_rx_packet *pkt)
-{
-       struct iwl_fw_dbg_trigger_tlv *trig;
-       struct iwl_fw_dbg_trigger_cmd *cmds_trig;
-       int i;
-
-       if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF))
-               return;
-
-       trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF);
-       cmds_trig = (void *)trig->data;
-
-       if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
-               return;
-
-       for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
-               /* don't collect on CMD 0 */
-               if (!cmds_trig->cmds[i].cmd_id)
-                       break;
-
-               if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
-                   cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
-                       continue;
-
-               iwl_mvm_fw_dbg_collect_trig(mvm, trig,
-                                           "CMD 0x%02x.%02x received",
-                                           pkt->hdr.group_id, pkt->hdr.cmd);
-               break;
-       }
-}
-
-static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
-                             struct iwl_rx_cmd_buffer *rxb,
-                             struct iwl_rx_packet *pkt)
-{
-       int i;
-
-       iwl_mvm_rx_check_trigger(mvm, pkt);
-
-       /*
-        * Do the notification wait before RX handlers so
-        * even if the RX handler consumes the RXB we have
-        * access to it in the notification wait entry.
-        */
-       iwl_notification_wait_notify(&mvm->notif_wait, pkt);
-
-       for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
-               const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
-               struct iwl_async_handler_entry *entry;
-
-               if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
-                       continue;
-
-               if (!rx_h->async) {
-                       rx_h->fn(mvm, rxb);
-                       return;
-               }
-
-               entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
-               /* we can't do much... */
-               if (!entry)
-                       return;
-
-               entry->rxb._page = rxb_steal_page(rxb);
-               entry->rxb._offset = rxb->_offset;
-               entry->rxb._rx_page_order = rxb->_rx_page_order;
-               entry->fn = rx_h->fn;
-               spin_lock(&mvm->async_handlers_lock);
-               list_add_tail(&entry->list, &mvm->async_handlers_list);
-               spin_unlock(&mvm->async_handlers_lock);
-               schedule_work(&mvm->async_handlers_wk);
-               break;
-       }
-}
-
-static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
-                      struct napi_struct *napi,
-                      struct iwl_rx_cmd_buffer *rxb)
-{
-       struct iwl_rx_packet *pkt = rxb_addr(rxb);
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-
-       if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD))
-               iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
-       else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD)
-               iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
-       else
-               iwl_mvm_rx_common(mvm, rxb, pkt);
-}
-
-static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
-                         struct napi_struct *napi,
-                         struct iwl_rx_cmd_buffer *rxb)
-{
-       struct iwl_rx_packet *pkt = rxb_addr(rxb);
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-
-       if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD))
-               iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
-       else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD)
-               iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
-       else
-               iwl_mvm_rx_common(mvm, rxb, pkt);
-}
-
-static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       unsigned long mq;
-       int q;
-
-       spin_lock_bh(&mvm->queue_info_lock);
-       mq = mvm->queue_info[queue].hw_queue_to_mac80211;
-       spin_unlock_bh(&mvm->queue_info_lock);
-
-       if (WARN_ON_ONCE(!mq))
-               return;
-
-       for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
-               if (atomic_inc_return(&mvm->mac80211_queue_stop_count[q]) > 1) {
-                       IWL_DEBUG_TX_QUEUES(mvm,
-                                           "queue %d (mac80211 %d) already stopped\n",
-                                           queue, q);
-                       continue;
-               }
-
-               ieee80211_stop_queue(mvm->hw, q);
-       }
-}
-
-static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       unsigned long mq;
-       int q;
-
-       spin_lock_bh(&mvm->queue_info_lock);
-       mq = mvm->queue_info[queue].hw_queue_to_mac80211;
-       spin_unlock_bh(&mvm->queue_info_lock);
-
-       if (WARN_ON_ONCE(!mq))
-               return;
-
-       for_each_set_bit(q, &mq, IEEE80211_MAX_QUEUES) {
-               if (atomic_dec_return(&mvm->mac80211_queue_stop_count[q]) > 0) {
-                       IWL_DEBUG_TX_QUEUES(mvm,
-                                           "queue %d (mac80211 %d) still stopped\n",
-                                           queue, q);
-                       continue;
-               }
-
-               ieee80211_wake_queue(mvm->hw, q);
-       }
-}
-
-void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
-{
-       if (state)
-               set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
-       else
-               clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
-
-       wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
-}
-
-static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       bool calibrating = ACCESS_ONCE(mvm->calibrating);
-
-       if (state)
-               set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
-       else
-               clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
-
-       wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
-
-       /* iwl_run_init_mvm_ucode is waiting for results, abort it */
-       if (calibrating)
-               iwl_abort_notification_waits(&mvm->notif_wait);
-
-       /*
-        * Stop the device if we run OPERATIONAL firmware or if we are in the
-        * middle of the calibrations.
-        */
-       return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating);
-}
-
-static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       struct ieee80211_tx_info *info;
-
-       info = IEEE80211_SKB_CB(skb);
-       iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
-       ieee80211_free_txskb(mvm->hw, skb);
-}
-
-struct iwl_mvm_reprobe {
-       struct device *dev;
-       struct work_struct work;
-};
-
-static void iwl_mvm_reprobe_wk(struct work_struct *wk)
-{
-       struct iwl_mvm_reprobe *reprobe;
-
-       reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
-       if (device_reprobe(reprobe->dev))
-               dev_err(reprobe->dev, "reprobe failed!\n");
-       kfree(reprobe);
-       module_put(THIS_MODULE);
-}
-
-static void iwl_mvm_fw_error_dump_wk(struct work_struct *work)
-{
-       struct iwl_mvm *mvm =
-               container_of(work, struct iwl_mvm, fw_dump_wk.work);
-
-       if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT))
-               return;
-
-       mutex_lock(&mvm->mutex);
-
-       /* stop recording */
-       if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
-               iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
-       } else {
-               iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0);
-               /* wait before we collect the data till the DBGC stop */
-               udelay(100);
-       }
-
-       iwl_mvm_fw_error_dump(mvm);
-
-       /* start recording again if the firmware is not crashed */
-       WARN_ON_ONCE((!test_bit(STATUS_FW_ERROR, &mvm->trans->status)) &&
-                    mvm->fw->dbg_dest_tlv &&
-                    iwl_mvm_start_fw_dbg_conf(mvm, mvm->fw_dbg_conf));
-
-       mutex_unlock(&mvm->mutex);
-
-       iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
-}
-
-void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
-{
-       iwl_abort_notification_waits(&mvm->notif_wait);
-
-       /*
-        * This is a bit racy, but worst case we tell mac80211 about
-        * a stopped/aborted scan when that was already done which
-        * is not a problem. It is necessary to abort any os scan
-        * here because mac80211 requires having the scan cleared
-        * before restarting.
-        * We'll reset the scan_status to NONE in restart cleanup in
-        * the next start() call from mac80211. If restart isn't called
-        * (no fw restart) scan status will stay busy.
-        */
-       iwl_mvm_report_scan_aborted(mvm);
-
-       /*
-        * If we're restarting already, don't cycle restarts.
-        * If INIT fw asserted, it will likely fail again.
-        * If WoWLAN fw asserted, don't restart either, mac80211
-        * can't recover this since we're already half suspended.
-        */
-       if (!mvm->restart_fw && fw_error) {
-               iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert,
-                                           NULL);
-       } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART,
-                                   &mvm->status)) {
-               struct iwl_mvm_reprobe *reprobe;
-
-               IWL_ERR(mvm,
-                       "Firmware error during reconfiguration - reprobe!\n");
-
-               /*
-                * get a module reference to avoid doing this while unloading
-                * anyway and to avoid scheduling a work with code that's
-                * being removed.
-                */
-               if (!try_module_get(THIS_MODULE)) {
-                       IWL_ERR(mvm, "Module is being unloaded - abort\n");
-                       return;
-               }
-
-               reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
-               if (!reprobe) {
-                       module_put(THIS_MODULE);
-                       return;
-               }
-               reprobe->dev = mvm->trans->dev;
-               INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
-               schedule_work(&reprobe->work);
-       } else if (mvm->cur_ucode == IWL_UCODE_REGULAR) {
-               /* don't let the transport/FW power down */
-               iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
-
-               if (fw_error && mvm->restart_fw > 0)
-                       mvm->restart_fw--;
-               ieee80211_restart_hw(mvm->hw);
-       }
-}
-
-static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-
-       iwl_mvm_dump_nic_error_log(mvm);
-
-       iwl_mvm_nic_restart(mvm, true);
-}
-
-static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-
-       WARN_ON(1);
-       iwl_mvm_nic_restart(mvm, true);
-}
-
-struct iwl_d0i3_iter_data {
-       struct iwl_mvm *mvm;
-       u8 ap_sta_id;
-       u8 vif_count;
-       u8 offloading_tid;
-       bool disable_offloading;
-};
-
-static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
-                                       struct ieee80211_vif *vif,
-                                       struct iwl_d0i3_iter_data *iter_data)
-{
-       struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-       struct ieee80211_sta *ap_sta;
-       struct iwl_mvm_sta *mvmsta;
-       u32 available_tids = 0;
-       u8 tid;
-
-       if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
-                   mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
-               return false;
-
-       ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]);
-       if (IS_ERR_OR_NULL(ap_sta))
-               return false;
-
-       mvmsta = iwl_mvm_sta_from_mac80211(ap_sta);
-       spin_lock_bh(&mvmsta->lock);
-       for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
-               struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
-
-               /*
-                * in case of pending tx packets, don't use this tid
-                * for offloading in order to prevent reuse of the same
-                * qos seq counters.
-                */
-               if (iwl_mvm_tid_queued(tid_data))
-                       continue;
-
-               if (tid_data->state != IWL_AGG_OFF)
-                       continue;
-
-               available_tids |= BIT(tid);
-       }
-       spin_unlock_bh(&mvmsta->lock);
-
-       /*
-        * disallow protocol offloading if we have no available tid
-        * (with no pending frames and no active aggregation,
-        * as we don't handle "holes" properly - the scheduler needs the
-        * frame's seq number and TFD index to match)
-        */
-       if (!available_tids)
-               return true;
-
-       /* for simplicity, just use the first available tid */
-       iter_data->offloading_tid = ffs(available_tids) - 1;
-       return false;
-}
-
-static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
-                                       struct ieee80211_vif *vif)
-{
-       struct iwl_d0i3_iter_data *data = _data;
-       struct iwl_mvm *mvm = data->mvm;
-       struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-       u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
-
-       IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
-       if (vif->type != NL80211_IFTYPE_STATION ||
-           !vif->bss_conf.assoc)
-               return;
-
-       /*
-        * in case of pending tx packets or active aggregations,
-        * avoid offloading features in order to prevent reuse of
-        * the same qos seq counters.
-        */
-       if (iwl_mvm_disallow_offloading(mvm, vif, data))
-               data->disable_offloading = true;
-
-       iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
-       iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags);
-
-       /*
-        * on init/association, mvm already configures POWER_TABLE_CMD
-        * and REPLY_MCAST_FILTER_CMD, so currently don't
-        * reconfigure them (we might want to use different
-        * params later on, though).
-        */
-       data->ap_sta_id = mvmvif->ap_sta_id;
-       data->vif_count++;
-}
-
-static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
-                                   struct iwl_wowlan_config_cmd *cmd,
-                                   struct iwl_d0i3_iter_data *iter_data)
-{
-       struct ieee80211_sta *ap_sta;
-       struct iwl_mvm_sta *mvm_ap_sta;
-
-       if (iter_data->ap_sta_id == IWL_MVM_STATION_COUNT)
-               return;
-
-       rcu_read_lock();
-
-       ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
-       if (IS_ERR_OR_NULL(ap_sta))
-               goto out;
-
-       mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
-       cmd->is_11n_connection = ap_sta->ht_cap.ht_supported;
-       cmd->offloading_tid = iter_data->offloading_tid;
-
-       /*
-        * The d0i3 uCode takes care of the nonqos counters,
-        * so configure only the qos seq ones.
-        */
-       iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd);
-out:
-       rcu_read_unlock();
-}
-
-int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-       u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
-       int ret;
-       struct iwl_d0i3_iter_data d0i3_iter_data = {
-               .mvm = mvm,
-       };
-       struct iwl_wowlan_config_cmd wowlan_config_cmd = {
-               .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
-                                            IWL_WOWLAN_WAKEUP_BEACON_MISS |
-                                            IWL_WOWLAN_WAKEUP_LINK_CHANGE |
-                                            IWL_WOWLAN_WAKEUP_BCN_FILTERING),
-       };
-       struct iwl_d3_manager_config d3_cfg_cmd = {
-               .min_sleep_time = cpu_to_le32(1000),
-               .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR),
-       };
-
-       IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
-
-       set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
-
-       /*
-        * iwl_mvm_ref_sync takes a reference before checking the flag.
-        * so by checking there is no held reference we prevent a state
-        * in which iwl_mvm_ref_sync continues successfully while we
-        * configure the firmware to enter d0i3
-        */
-       if (iwl_mvm_ref_taken(mvm)) {
-               IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
-               clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
-               wake_up(&mvm->d0i3_exit_waitq);
-               return 1;
-       }
-
-       ieee80211_iterate_active_interfaces_atomic(mvm->hw,
-                                                  IEEE80211_IFACE_ITER_NORMAL,
-                                                  iwl_mvm_enter_d0i3_iterator,
-                                                  &d0i3_iter_data);
-       if (d0i3_iter_data.vif_count == 1) {
-               mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
-               mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
-       } else {
-               WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
-               mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
-               mvm->d0i3_offloading = false;
-       }
-
-       /* make sure we have no running tx while configuring the seqno */
-       synchronize_net();
-
-       /* configure wowlan configuration only if needed */
-       if (mvm->d0i3_ap_sta_id != IWL_MVM_STATION_COUNT) {
-               iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd,
-                                       &d0i3_iter_data);
-
-               ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
-                                          sizeof(wowlan_config_cmd),
-                                          &wowlan_config_cmd);
-               if (ret)
-                       return ret;
-       }
-
-       return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
-                                   flags | CMD_MAKE_TRANS_IDLE,
-                                   sizeof(d3_cfg_cmd), &d3_cfg_cmd);
-}
-
-static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
-                                      struct ieee80211_vif *vif)
-{
-       struct iwl_mvm *mvm = _data;
-       u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
-
-       IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
-       if (vif->type != NL80211_IFTYPE_STATION ||
-           !vif->bss_conf.assoc)
-               return;
-
-       iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
-}
-
-struct iwl_mvm_wakeup_reason_iter_data {
-       struct iwl_mvm *mvm;
-       u32 wakeup_reasons;
-};
-
-static void iwl_mvm_d0i3_wakeup_reason_iter(void *_data, u8 *mac,
-                                           struct ieee80211_vif *vif)
-{
-       struct iwl_mvm_wakeup_reason_iter_data *data = _data;
-       struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-
-       if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc &&
-           data->mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) {
-               if (data->wakeup_reasons &
-                   IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)
-                       iwl_mvm_connection_loss(data->mvm, vif, "D0i3");
-               else
-                       ieee80211_beacon_loss(vif);
-       }
-}
-
-void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
-{
-       struct ieee80211_sta *sta = NULL;
-       struct iwl_mvm_sta *mvm_ap_sta;
-       int i;
-       bool wake_queues = false;
-
-       lockdep_assert_held(&mvm->mutex);
-
-       spin_lock_bh(&mvm->d0i3_tx_lock);
-
-       if (mvm->d0i3_ap_sta_id == IWL_MVM_STATION_COUNT)
-               goto out;
-
-       IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
-
-       /* get the sta in order to update seq numbers and re-enqueue skbs */
-       sta = rcu_dereference_protected(
-                       mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
-                       lockdep_is_held(&mvm->mutex));
-
-       if (IS_ERR_OR_NULL(sta)) {
-               sta = NULL;
-               goto out;
-       }
-
-       if (mvm->d0i3_offloading && qos_seq) {
-               /* update qos seq numbers if offloading was enabled */
-               mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta);
-               for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
-                       u16 seq = le16_to_cpu(qos_seq[i]);
-                       /* firmware stores last-used one, we store next one */
-                       seq += 0x10;
-                       mvm_ap_sta->tid_data[i].seq_number = seq;
-               }
-       }
-out:
-       /* re-enqueue (or drop) all packets */
-       while (!skb_queue_empty(&mvm->d0i3_tx)) {
-               struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
-
-               if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
-                       ieee80211_free_txskb(mvm->hw, skb);
-
-               /* if the skb_queue is not empty, we need to wake queues */
-               wake_queues = true;
-       }
-       clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
-       wake_up(&mvm->d0i3_exit_waitq);
-       mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
-       if (wake_queues)
-               ieee80211_wake_queues(mvm->hw);
-
-       spin_unlock_bh(&mvm->d0i3_tx_lock);
-}
-
-static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
-{
-       struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
-       struct iwl_host_cmd get_status_cmd = {
-               .id = WOWLAN_GET_STATUSES,
-               .flags = CMD_HIGH_PRIO | CMD_WANT_SKB,
-       };
-       struct iwl_wowlan_status *status;
-       int ret;
-       u32 handled_reasons, wakeup_reasons = 0;
-       __le16 *qos_seq = NULL;
-
-       mutex_lock(&mvm->mutex);
-       ret = iwl_mvm_send_cmd(mvm, &get_status_cmd);
-       if (ret)
-               goto out;
-
-       if (!get_status_cmd.resp_pkt)
-               goto out;
-
-       status = (void *)get_status_cmd.resp_pkt->data;
-       wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
-       qos_seq = status->qos_seq_ctr;
-
-       IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
-
-       handled_reasons = IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |
-                               IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH;
-       if (wakeup_reasons & handled_reasons) {
-               struct iwl_mvm_wakeup_reason_iter_data data = {
-                       .mvm = mvm,
-                       .wakeup_reasons = wakeup_reasons,
-               };
-
-               ieee80211_iterate_active_interfaces(
-                       mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
-                       iwl_mvm_d0i3_wakeup_reason_iter, &data);
-       }
-out:
-       iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
-
-       IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n",
-                      wakeup_reasons);
-
-       /* qos_seq might point inside resp_pkt, so free it only now */
-       if (get_status_cmd.resp_pkt)
-               iwl_free_resp(&get_status_cmd);
-
-       /* the FW might have updated the regdomain */
-       iwl_mvm_update_changed_regdom(mvm);
-
-       iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
-       mutex_unlock(&mvm->mutex);
-}
-
-int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
-{
-       u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
-                   CMD_WAKE_UP_TRANS;
-       int ret;
-
-       IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
-
-       mutex_lock(&mvm->d0i3_suspend_mutex);
-       if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
-               IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
-               __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
-               mutex_unlock(&mvm->d0i3_suspend_mutex);
-               return 0;
-       }
-       mutex_unlock(&mvm->d0i3_suspend_mutex);
-
-       ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
-       if (ret)
-               goto out;
-
-       ieee80211_iterate_active_interfaces_atomic(mvm->hw,
-                                                  IEEE80211_IFACE_ITER_NORMAL,
-                                                  iwl_mvm_exit_d0i3_iterator,
-                                                  mvm);
-out:
-       schedule_work(&mvm->d0i3_exit_work);
-       return ret;
-}
-
-int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-
-       iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
-       return _iwl_mvm_exit_d0i3(mvm);
-}
-
-#define IWL_MVM_COMMON_OPS                                     \
-       /* these could be differentiated */                     \
-       .queue_full = iwl_mvm_stop_sw_queue,                    \
-       .queue_not_full = iwl_mvm_wake_sw_queue,                \
-       .hw_rf_kill = iwl_mvm_set_hw_rfkill_state,              \
-       .free_skb = iwl_mvm_free_skb,                           \
-       .nic_error = iwl_mvm_nic_error,                         \
-       .cmd_queue_full = iwl_mvm_cmd_queue_full,               \
-       .nic_config = iwl_mvm_nic_config,                       \
-       .enter_d0i3 = iwl_mvm_enter_d0i3,                       \
-       .exit_d0i3 = iwl_mvm_exit_d0i3,                         \
-       /* as we only register one, these MUST be common! */    \
-       .start = iwl_op_mode_mvm_start,                         \
-       .stop = iwl_op_mode_mvm_stop
-
-static const struct iwl_op_mode_ops iwl_mvm_ops = {
-       IWL_MVM_COMMON_OPS,
-       .rx = iwl_mvm_rx,
-};
-
-static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
-                             struct napi_struct *napi,
-                             struct iwl_rx_cmd_buffer *rxb,
-                             unsigned int queue)
-{
-       struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
-
-       iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
-}
-
-static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
-       IWL_MVM_COMMON_OPS,
-       .rx = iwl_mvm_rx_mq,
-       .rx_rss = iwl_mvm_rx_mq_rss,
-};