1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/module.h>
66 #include <linux/vmalloc.h>
67 #include <net/mac80211.h>
69 #include "iwl-notif-wait.h"
70 #include "iwl-trans.h"
71 #include "iwl-op-mode.h"
73 #include "iwl-debug.h"
75 #include "iwl-modparams.h"
77 #include "iwl-phy-db.h"
78 #include "iwl-eeprom-parse.h"
83 #include "fw-api-scan.h"
84 #include "time-event.h"
85 #include "iwl-fw-error-dump.h"
88 * module name, copyright, version, etc.
90 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
92 #define DRV_VERSION IWLWIFI_VERSION
94 MODULE_DESCRIPTION(DRV_DESCRIPTION);
95 MODULE_VERSION(DRV_VERSION);
96 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
97 MODULE_LICENSE("GPL");
99 static const struct iwl_op_mode_ops iwl_mvm_ops;
101 struct iwl_mvm_mod_params iwlmvm_mod_params = {
102 .power_scheme = IWL_POWER_SCHEME_BPS,
103 /* rest of fields are 0 by default */
106 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, S_IRUGO);
107 MODULE_PARM_DESC(init_dbg,
108 "set to true to debug an ASSERT in INIT fw (default: false");
109 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO);
110 MODULE_PARM_DESC(power_scheme,
111 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
114 * module init and exit functions
116 static int __init iwl_mvm_init(void)
120 ret = iwl_mvm_rate_control_register();
122 pr_err("Unable to register rate control algorithm: %d\n", ret);
126 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
129 pr_err("Unable to register MVM op_mode: %d\n", ret);
130 iwl_mvm_rate_control_unregister();
135 module_init(iwl_mvm_init);
137 static void __exit iwl_mvm_exit(void)
139 iwl_opmode_deregister("iwlmvm");
140 iwl_mvm_rate_control_unregister();
142 module_exit(iwl_mvm_exit);
144 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
146 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
147 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
150 radio_cfg_type = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_TYPE) >>
151 FW_PHY_CFG_RADIO_TYPE_POS;
152 radio_cfg_step = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_STEP) >>
153 FW_PHY_CFG_RADIO_STEP_POS;
154 radio_cfg_dash = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_DASH) >>
155 FW_PHY_CFG_RADIO_DASH_POS;
158 reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
159 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
160 reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
161 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
163 /* radio configuration */
164 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
165 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
166 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
168 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
169 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
172 * TODO: Bits 7-8 of CSR in 8000 HW family set the ADC sampling, and
173 * shouldn't be set to any non-zero value. The same is supposed to be
174 * true of the other HW, but unsetting them (such as the 7260) causes
175 * automatic tests to fail on seemingly unrelated errors. Need to
176 * further investigate this, but for now we'll separate cases.
178 if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
179 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
181 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
182 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
183 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
184 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
185 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
186 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
187 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
188 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI,
191 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
192 radio_cfg_step, radio_cfg_dash);
195 * W/A : NIC is stuck in a reset state after Early PCIe power off
196 * (PCIe power is lost before PERST# is asserted), causing ME FW
197 * to lose ownership and not being able to obtain it back.
199 if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
200 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
201 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
202 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
205 struct iwl_rx_handlers {
208 int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
209 struct iwl_device_cmd *cmd);
212 #define RX_HANDLER(_cmd_id, _fn, _async) \
213 { .cmd_id = _cmd_id , .fn = _fn , .async = _async }
216 * Handlers for fw notifications
217 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
218 * This list should be in order of frequency for performance purposes.
220 * The handler can be SYNC - this means that it will be called in the Rx path
221 * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and
222 * only in this case!), it should be set as ASYNC. In that case, it will be
223 * called from a worker with mvm->mutex held.
225 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
226 RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false),
227 RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false),
228 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false),
229 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
231 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true),
232 RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true),
233 RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true),
234 RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION,
235 iwl_mvm_rx_ant_coupling_notif, true),
237 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false),
239 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false),
241 RX_HANDLER(SCAN_REQUEST_CMD, iwl_mvm_rx_scan_response, false),
242 RX_HANDLER(SCAN_COMPLETE_NOTIFICATION, iwl_mvm_rx_scan_complete, true),
243 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
244 iwl_mvm_rx_scan_offload_complete_notif, true),
245 RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_offload_results,
248 RX_HANDLER(RADIO_VERSION_NOTIFICATION, iwl_mvm_rx_radio_ver, false),
249 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false),
251 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
254 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false),
255 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
256 iwl_mvm_power_uapsd_misbehaving_ap_notif, false),
259 #define CMD(x) [x] = #x
261 static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
264 CMD(INIT_COMPLETE_NOTIF),
265 CMD(PHY_CONTEXT_CMD),
269 CMD(MAC_CONTEXT_CMD),
271 CMD(TIME_EVENT_NOTIFICATION),
272 CMD(BINDING_CONTEXT_CMD),
274 CMD(NON_QOS_TX_COUNTER_CMD),
275 CMD(RADIO_VERSION_NOTIFICATION),
276 CMD(SCAN_REQUEST_CMD),
278 CMD(SCAN_START_NOTIFICATION),
279 CMD(SCAN_RESULTS_NOTIFICATION),
280 CMD(SCAN_COMPLETE_NOTIFICATION),
282 CMD(PHY_CONFIGURATION_CMD),
283 CMD(CALIB_RES_NOTIF_PHY_DB),
284 CMD(SET_CALIB_DEFAULT_CMD),
285 CMD(CALIBRATION_COMPLETE_NOTIFICATION),
290 CMD(SCAN_OFFLOAD_CONFIG_CMD),
291 CMD(MATCH_FOUND_NOTIFICATION),
292 CMD(SCAN_OFFLOAD_REQUEST_CMD),
293 CMD(SCAN_OFFLOAD_ABORT_CMD),
295 CMD(SCAN_OFFLOAD_COMPLETE),
296 CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
297 CMD(SCAN_ITERATION_COMPLETE),
298 CMD(POWER_TABLE_CMD),
300 CMD(REPLY_RX_PHY_CMD),
301 CMD(REPLY_RX_MPDU_CMD),
302 CMD(BEACON_NOTIFICATION),
303 CMD(BEACON_TEMPLATE_CMD),
304 CMD(STATISTICS_NOTIFICATION),
305 CMD(EOSP_NOTIFICATION),
306 CMD(REDUCE_TX_POWER_CMD),
307 CMD(TX_ANT_CONFIGURATION_CMD),
310 CMD(PROT_OFFLOAD_CONFIG_CMD),
311 CMD(OFFLOADS_QUERY_CMD),
312 CMD(REMOTE_WAKE_CONFIG_CMD),
313 CMD(WOWLAN_PATTERNS),
314 CMD(WOWLAN_CONFIGURATION),
315 CMD(WOWLAN_TSC_RSC_PARAM),
316 CMD(WOWLAN_TKIP_PARAM),
317 CMD(WOWLAN_KEK_KCK_MATERIAL),
318 CMD(WOWLAN_GET_STATUSES),
319 CMD(WOWLAN_TX_POWER_PER_DB),
320 CMD(NET_DETECT_CONFIG_CMD),
321 CMD(NET_DETECT_PROFILES_QUERY_CMD),
322 CMD(NET_DETECT_PROFILES_CMD),
323 CMD(NET_DETECT_HOTSPOTS_CMD),
324 CMD(NET_DETECT_HOTSPOTS_QUERY_CMD),
325 CMD(CARD_STATE_NOTIFICATION),
326 CMD(MISSED_BEACONS_NOTIFICATION),
327 CMD(BT_COEX_PRIO_TABLE),
328 CMD(BT_COEX_PROT_ENV),
329 CMD(BT_PROFILE_NOTIFICATION),
331 CMD(MCAST_FILTER_CMD),
332 CMD(BCAST_FILTER_CMD),
333 CMD(REPLY_SF_CFG_CMD),
334 CMD(REPLY_BEACON_FILTERING_CMD),
335 CMD(CMD_DTS_MEASUREMENT_TRIGGER),
336 CMD(DTS_MEASUREMENT_NOTIFICATION),
337 CMD(REPLY_THERMAL_MNG_BACKOFF),
338 CMD(MAC_PM_POWER_TABLE),
341 CMD(BT_COEX_UPDATE_SW_BOOST),
342 CMD(BT_COEX_UPDATE_CORUN_LUT),
343 CMD(BT_COEX_UPDATE_REDUCED_TXP),
344 CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
345 CMD(ANTENNA_COUPLING_NOTIFICATION),
350 /* this forward declaration can avoid to export the function */
351 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
352 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
354 static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg)
356 const struct iwl_pwr_tx_backoff *pwr_tx_backoff = cfg->pwr_tx_backoffs;
361 while (pwr_tx_backoff->pwr) {
362 if (trans->dflt_pwr_limit >= pwr_tx_backoff->pwr)
363 return pwr_tx_backoff->backoff;
371 static void iwl_mvm_fw_error_dump_wk(struct work_struct *work);
373 static struct iwl_op_mode *
374 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
375 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
377 struct ieee80211_hw *hw;
378 struct iwl_op_mode *op_mode;
380 struct iwl_trans_config trans_cfg = {};
381 static const u8 no_reclaim_cmds[] = {
388 * We use IWL_MVM_STATION_COUNT to check the validity of the station
389 * index all over the driver - check that its value corresponds to the
392 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
394 /********************************
395 * 1. Allocating and configuring HW data
396 ********************************/
397 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
398 sizeof(struct iwl_mvm),
403 if (cfg->max_rx_agg_size)
404 hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
406 if (cfg->max_tx_agg_size)
407 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
410 op_mode->ops = &iwl_mvm_ops;
412 mvm = IWL_OP_MODE_GET_MVM(op_mode);
413 mvm->dev = trans->dev;
419 mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0;
422 mvm->first_agg_queue = 16;
423 mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1;
424 if (mvm->cfg->base_params->num_of_queues == 16) {
426 mvm->first_agg_queue = 12;
428 mvm->sf_state = SF_UNINIT;
429 mvm->low_latency_agg_frame_limit = 6;
430 mvm->cur_ucode = IWL_UCODE_INIT;
432 mutex_init(&mvm->mutex);
433 mutex_init(&mvm->d0i3_suspend_mutex);
434 spin_lock_init(&mvm->async_handlers_lock);
435 INIT_LIST_HEAD(&mvm->time_event_list);
436 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
437 INIT_LIST_HEAD(&mvm->async_handlers_list);
438 spin_lock_init(&mvm->time_event_lock);
440 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
441 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
442 INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk);
443 INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
444 INIT_WORK(&mvm->fw_error_dump_wk, iwl_mvm_fw_error_dump_wk);
446 spin_lock_init(&mvm->d0i3_tx_lock);
447 spin_lock_init(&mvm->refs_lock);
448 skb_queue_head_init(&mvm->d0i3_tx);
449 init_waitqueue_head(&mvm->d0i3_exit_waitq);
451 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
454 * Populate the state variables that the transport layer needs
457 trans_cfg.op_mode = op_mode;
458 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
459 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
460 trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K;
462 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE)
463 trans_cfg.bc_table_dword = true;
465 if (!iwlwifi_mod_params.wd_disable)
466 trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout;
468 trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
470 trans_cfg.command_names = iwl_mvm_cmd_strings;
472 trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE;
473 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
474 trans_cfg.scd_set_active = true;
476 snprintf(mvm->hw->wiphy->fw_version,
477 sizeof(mvm->hw->wiphy->fw_version),
478 "%s", fw->fw_version);
480 /* Configure transport layer */
481 iwl_trans_configure(mvm->trans, &trans_cfg);
483 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
484 trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start);
486 /* set up notification wait support */
487 iwl_notification_wait_init(&mvm->notif_wait);
490 mvm->phy_db = iwl_phy_db_init(trans);
492 IWL_ERR(mvm, "Cannot init phy_db\n");
496 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
497 mvm->cfg->name, mvm->trans->hw_rev);
499 min_backoff = calc_min_backoff(trans, cfg);
500 iwl_mvm_tt_initialize(mvm, min_backoff);
501 /* set the nvm_file_name according to priority */
502 if (iwlwifi_mod_params.nvm_file)
503 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
505 mvm->nvm_file_name = mvm->cfg->default_nvm_file;
507 if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name,
508 "not allowing power-up and not having nvm_file\n"))
512 * Even if nvm exists in the nvm_file driver should read again the nvm
513 * from the nic because there might be entries that exist in the OTP
514 * and not in the file.
515 * for nics with no_power_up_nic_in_init: rely completley on nvm_file
517 if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) {
518 err = iwl_nvm_init(mvm, false);
522 err = iwl_trans_start_hw(mvm->trans);
526 mutex_lock(&mvm->mutex);
527 err = iwl_run_init_mvm_ucode(mvm, true);
528 iwl_trans_stop_device(trans);
529 mutex_unlock(&mvm->mutex);
530 /* returns 0 if successful, 1 if success but in rfkill */
531 if (err < 0 && !iwlmvm_mod_params.init_dbg) {
532 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
537 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
538 scan_size = sizeof(struct iwl_scan_req_unified_lmac) +
539 sizeof(struct iwl_scan_channel_cfg_lmac) *
540 mvm->fw->ucode_capa.n_scan_channels +
541 sizeof(struct iwl_scan_probe_req);
543 scan_size = sizeof(struct iwl_scan_cmd) +
544 mvm->fw->ucode_capa.max_probe_length +
545 mvm->fw->ucode_capa.n_scan_channels *
546 sizeof(struct iwl_scan_channel);
548 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
552 err = iwl_mvm_mac_setup_register(mvm);
556 err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
560 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
562 /* rpm starts with a taken ref. only set the appropriate bit here. */
563 mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1;
568 ieee80211_unregister_hw(mvm->hw);
569 iwl_mvm_leds_exit(mvm);
571 iwl_phy_db_free(mvm->phy_db);
572 kfree(mvm->scan_cmd);
573 if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name)
574 iwl_trans_op_mode_leave(trans);
575 ieee80211_free_hw(mvm->hw);
579 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
581 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
584 iwl_mvm_leds_exit(mvm);
586 iwl_mvm_tt_exit(mvm);
588 ieee80211_unregister_hw(mvm->hw);
590 kfree(mvm->scan_cmd);
591 kfree(mvm->mcast_filter_cmd);
592 mvm->mcast_filter_cmd = NULL;
594 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
595 kfree(mvm->d3_resume_sram);
596 if (mvm->nd_config) {
597 kfree(mvm->nd_config->match_sets);
598 kfree(mvm->nd_config);
599 mvm->nd_config = NULL;
605 iwl_trans_op_mode_leave(mvm->trans);
607 iwl_phy_db_free(mvm->phy_db);
610 iwl_free_nvm_data(mvm->nvm_data);
611 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
612 kfree(mvm->nvm_sections[i].data);
614 ieee80211_free_hw(mvm->hw);
617 struct iwl_async_handler_entry {
618 struct list_head list;
619 struct iwl_rx_cmd_buffer rxb;
620 int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
621 struct iwl_device_cmd *cmd);
624 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
626 struct iwl_async_handler_entry *entry, *tmp;
628 spin_lock_bh(&mvm->async_handlers_lock);
629 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
630 iwl_free_rxb(&entry->rxb);
631 list_del(&entry->list);
634 spin_unlock_bh(&mvm->async_handlers_lock);
637 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
639 struct iwl_mvm *mvm =
640 container_of(wk, struct iwl_mvm, async_handlers_wk);
641 struct iwl_async_handler_entry *entry, *tmp;
642 struct list_head local_list;
644 INIT_LIST_HEAD(&local_list);
646 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
647 mutex_lock(&mvm->mutex);
650 * Sync with Rx path with a lock. Remove all the entries from this list,
651 * add them to a local one (lock free), and then handle them.
653 spin_lock_bh(&mvm->async_handlers_lock);
654 list_splice_init(&mvm->async_handlers_list, &local_list);
655 spin_unlock_bh(&mvm->async_handlers_lock);
657 list_for_each_entry_safe(entry, tmp, &local_list, list) {
658 if (entry->fn(mvm, &entry->rxb, NULL))
660 "returned value from ASYNC handlers are ignored\n");
661 iwl_free_rxb(&entry->rxb);
662 list_del(&entry->list);
665 mutex_unlock(&mvm->mutex);
668 static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
669 struct iwl_rx_cmd_buffer *rxb,
670 struct iwl_device_cmd *cmd)
672 struct iwl_rx_packet *pkt = rxb_addr(rxb);
673 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
677 * Do the notification wait before RX handlers so
678 * even if the RX handler consumes the RXB we have
679 * access to it in the notification wait entry.
681 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
683 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
684 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
685 struct iwl_async_handler_entry *entry;
687 if (rx_h->cmd_id != pkt->hdr.cmd)
691 return rx_h->fn(mvm, rxb, cmd);
693 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
694 /* we can't do much... */
698 entry->rxb._page = rxb_steal_page(rxb);
699 entry->rxb._offset = rxb->_offset;
700 entry->rxb._rx_page_order = rxb->_rx_page_order;
701 entry->fn = rx_h->fn;
702 spin_lock(&mvm->async_handlers_lock);
703 list_add_tail(&entry->list, &mvm->async_handlers_list);
704 spin_unlock(&mvm->async_handlers_lock);
705 schedule_work(&mvm->async_handlers_wk);
712 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
714 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
715 int mq = mvm->queue_to_mac80211[queue];
717 if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
720 if (atomic_inc_return(&mvm->mac80211_queue_stop_count[mq]) > 1) {
721 IWL_DEBUG_TX_QUEUES(mvm,
722 "queue %d (mac80211 %d) already stopped\n",
727 ieee80211_stop_queue(mvm->hw, mq);
730 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
732 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
733 int mq = mvm->queue_to_mac80211[queue];
735 if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
738 if (atomic_dec_return(&mvm->mac80211_queue_stop_count[mq]) > 0) {
739 IWL_DEBUG_TX_QUEUES(mvm,
740 "queue %d (mac80211 %d) still stopped\n",
745 ieee80211_wake_queue(mvm->hw, mq);
748 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
751 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
753 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
755 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
758 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
760 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
761 bool calibrating = ACCESS_ONCE(mvm->calibrating);
764 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
766 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
768 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
770 /* iwl_run_init_mvm_ucode is waiting for results, abort it */
772 iwl_abort_notification_waits(&mvm->notif_wait);
775 * Stop the device if we run OPERATIONAL firmware or if we are in the
776 * middle of the calibrations.
778 return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating);
781 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
783 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
784 struct ieee80211_tx_info *info;
786 info = IEEE80211_SKB_CB(skb);
787 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
788 ieee80211_free_txskb(mvm->hw, skb);
791 struct iwl_mvm_reprobe {
793 struct work_struct work;
796 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
798 struct iwl_mvm_reprobe *reprobe;
800 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
801 if (device_reprobe(reprobe->dev))
802 dev_err(reprobe->dev, "reprobe failed!\n");
804 module_put(THIS_MODULE);
807 static void iwl_mvm_fw_error_dump_wk(struct work_struct *work)
809 struct iwl_mvm *mvm =
810 container_of(work, struct iwl_mvm, fw_error_dump_wk);
812 mutex_lock(&mvm->mutex);
813 iwl_mvm_fw_error_dump(mvm);
814 mutex_unlock(&mvm->mutex);
817 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
819 iwl_abort_notification_waits(&mvm->notif_wait);
822 * This is a bit racy, but worst case we tell mac80211 about
823 * a stopped/aborted scan when that was already done which
824 * is not a problem. It is necessary to abort any os scan
825 * here because mac80211 requires having the scan cleared
827 * We'll reset the scan_status to NONE in restart cleanup in
828 * the next start() call from mac80211. If restart isn't called
829 * (no fw restart) scan status will stay busy.
831 switch (mvm->scan_status) {
832 case IWL_MVM_SCAN_NONE:
834 case IWL_MVM_SCAN_OS:
835 ieee80211_scan_completed(mvm->hw, true);
837 case IWL_MVM_SCAN_SCHED:
838 /* Sched scan will be restarted by mac80211 in restart_hw. */
839 if (!mvm->restart_fw)
840 ieee80211_sched_scan_stopped(mvm->hw);
845 * If we're restarting already, don't cycle restarts.
846 * If INIT fw asserted, it will likely fail again.
847 * If WoWLAN fw asserted, don't restart either, mac80211
848 * can't recover this since we're already half suspended.
850 if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
851 struct iwl_mvm_reprobe *reprobe;
854 "Firmware error during reconfiguration - reprobe!\n");
857 * get a module reference to avoid doing this while unloading
858 * anyway and to avoid scheduling a work with code that's
861 if (!try_module_get(THIS_MODULE)) {
862 IWL_ERR(mvm, "Module is being unloaded - abort\n");
866 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
868 module_put(THIS_MODULE);
871 reprobe->dev = mvm->trans->dev;
872 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
873 schedule_work(&reprobe->work);
874 } else if (mvm->cur_ucode == IWL_UCODE_REGULAR &&
875 (!fw_error || mvm->restart_fw)) {
876 /* don't let the transport/FW power down */
877 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
879 if (fw_error && mvm->restart_fw > 0)
881 ieee80211_restart_hw(mvm->hw);
882 } else if (fw_error) {
883 schedule_work(&mvm->fw_error_dump_wk);
887 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
889 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
891 iwl_mvm_dump_nic_error_log(mvm);
893 iwl_mvm_nic_restart(mvm, true);
896 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
898 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
901 iwl_mvm_nic_restart(mvm, true);
904 struct iwl_d0i3_iter_data {
909 bool disable_offloading;
912 static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
913 struct ieee80211_vif *vif,
914 struct iwl_d0i3_iter_data *iter_data)
916 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
917 struct ieee80211_sta *ap_sta;
918 struct iwl_mvm_sta *mvmsta;
919 u32 available_tids = 0;
922 if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
923 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
926 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]);
927 if (IS_ERR_OR_NULL(ap_sta))
930 mvmsta = iwl_mvm_sta_from_mac80211(ap_sta);
931 spin_lock_bh(&mvmsta->lock);
932 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
933 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
936 * in case of pending tx packets, don't use this tid
937 * for offloading in order to prevent reuse of the same
940 if (iwl_mvm_tid_queued(tid_data))
943 if (tid_data->state != IWL_AGG_OFF)
946 available_tids |= BIT(tid);
948 spin_unlock_bh(&mvmsta->lock);
951 * disallow protocol offloading if we have no available tid
952 * (with no pending frames and no active aggregation,
953 * as we don't handle "holes" properly - the scheduler needs the
954 * frame's seq number and TFD index to match)
959 /* for simplicity, just use the first available tid */
960 iter_data->offloading_tid = ffs(available_tids) - 1;
964 static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
965 struct ieee80211_vif *vif)
967 struct iwl_d0i3_iter_data *data = _data;
968 struct iwl_mvm *mvm = data->mvm;
969 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
970 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
972 IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
973 if (vif->type != NL80211_IFTYPE_STATION ||
974 !vif->bss_conf.assoc)
978 * in case of pending tx packets or active aggregations,
979 * avoid offloading features in order to prevent reuse of
980 * the same qos seq counters.
982 if (iwl_mvm_disallow_offloading(mvm, vif, data))
983 data->disable_offloading = true;
985 iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
986 iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags);
989 * on init/association, mvm already configures POWER_TABLE_CMD
990 * and REPLY_MCAST_FILTER_CMD, so currently don't
991 * reconfigure them (we might want to use different
992 * params later on, though).
994 data->ap_sta_id = mvmvif->ap_sta_id;
998 static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
999 struct iwl_wowlan_config_cmd_v3 *cmd,
1000 struct iwl_d0i3_iter_data *iter_data)
1002 struct ieee80211_sta *ap_sta;
1003 struct iwl_mvm_sta *mvm_ap_sta;
1005 if (iter_data->ap_sta_id == IWL_MVM_STATION_COUNT)
1010 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
1011 if (IS_ERR_OR_NULL(ap_sta))
1014 mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
1015 cmd->common.is_11n_connection = ap_sta->ht_cap.ht_supported;
1016 cmd->offloading_tid = iter_data->offloading_tid;
1019 * The d0i3 uCode takes care of the nonqos counters,
1020 * so configure only the qos seq ones.
1022 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, &cmd->common);
1026 static int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
1028 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1029 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1031 struct iwl_d0i3_iter_data d0i3_iter_data = {
1034 struct iwl_wowlan_config_cmd_v3 wowlan_config_cmd = {
1037 cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
1038 IWL_WOWLAN_WAKEUP_BEACON_MISS |
1039 IWL_WOWLAN_WAKEUP_LINK_CHANGE |
1040 IWL_WOWLAN_WAKEUP_BCN_FILTERING),
1043 struct iwl_d3_manager_config d3_cfg_cmd = {
1044 .min_sleep_time = cpu_to_le32(1000),
1047 IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
1049 /* make sure we have no running tx while configuring the qos */
1050 set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1053 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1054 IEEE80211_IFACE_ITER_NORMAL,
1055 iwl_mvm_enter_d0i3_iterator,
1057 if (d0i3_iter_data.vif_count == 1) {
1058 mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
1059 mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
1061 WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
1062 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1063 mvm->d0i3_offloading = false;
1066 iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data);
1067 ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
1068 sizeof(wowlan_config_cmd),
1069 &wowlan_config_cmd);
1073 return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
1074 flags | CMD_MAKE_TRANS_IDLE,
1075 sizeof(d3_cfg_cmd), &d3_cfg_cmd);
1078 static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
1079 struct ieee80211_vif *vif)
1081 struct iwl_mvm *mvm = _data;
1082 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
1084 IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
1085 if (vif->type != NL80211_IFTYPE_STATION ||
1086 !vif->bss_conf.assoc)
1089 iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
1092 static void iwl_mvm_d0i3_disconnect_iter(void *data, u8 *mac,
1093 struct ieee80211_vif *vif)
1095 struct iwl_mvm *mvm = data;
1096 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1098 if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc &&
1099 mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1100 ieee80211_connection_loss(vif);
1103 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
1105 struct ieee80211_sta *sta = NULL;
1106 struct iwl_mvm_sta *mvm_ap_sta;
1108 bool wake_queues = false;
1110 lockdep_assert_held(&mvm->mutex);
1112 spin_lock_bh(&mvm->d0i3_tx_lock);
1114 if (mvm->d0i3_ap_sta_id == IWL_MVM_STATION_COUNT)
1117 IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
1119 /* get the sta in order to update seq numbers and re-enqueue skbs */
1120 sta = rcu_dereference_protected(
1121 mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
1122 lockdep_is_held(&mvm->mutex));
1124 if (IS_ERR_OR_NULL(sta)) {
1129 if (mvm->d0i3_offloading && qos_seq) {
1130 /* update qos seq numbers if offloading was enabled */
1131 mvm_ap_sta = (struct iwl_mvm_sta *)sta->drv_priv;
1132 for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
1133 u16 seq = le16_to_cpu(qos_seq[i]);
1134 /* firmware stores last-used one, we store next one */
1136 mvm_ap_sta->tid_data[i].seq_number = seq;
1140 /* re-enqueue (or drop) all packets */
1141 while (!skb_queue_empty(&mvm->d0i3_tx)) {
1142 struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
1144 if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
1145 ieee80211_free_txskb(mvm->hw, skb);
1147 /* if the skb_queue is not empty, we need to wake queues */
1150 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1151 wake_up(&mvm->d0i3_exit_waitq);
1152 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1154 ieee80211_wake_queues(mvm->hw);
1156 spin_unlock_bh(&mvm->d0i3_tx_lock);
1159 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
1161 struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
1162 struct iwl_host_cmd get_status_cmd = {
1163 .id = WOWLAN_GET_STATUSES,
1164 .flags = CMD_HIGH_PRIO | CMD_WANT_SKB,
1166 struct iwl_wowlan_status *status;
1168 u32 disconnection_reasons, wakeup_reasons;
1169 __le16 *qos_seq = NULL;
1171 mutex_lock(&mvm->mutex);
1172 ret = iwl_mvm_send_cmd(mvm, &get_status_cmd);
1176 if (!get_status_cmd.resp_pkt)
1179 status = (void *)get_status_cmd.resp_pkt->data;
1180 wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
1181 qos_seq = status->qos_seq_ctr;
1183 IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
1185 disconnection_reasons =
1186 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |
1187 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH;
1188 if (wakeup_reasons & disconnection_reasons)
1189 ieee80211_iterate_active_interfaces(
1190 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1191 iwl_mvm_d0i3_disconnect_iter, mvm);
1193 iwl_free_resp(&get_status_cmd);
1195 iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
1196 iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
1197 mutex_unlock(&mvm->mutex);
1200 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
1202 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
1206 IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
1208 mutex_lock(&mvm->d0i3_suspend_mutex);
1209 if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
1210 IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
1211 __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
1212 mutex_unlock(&mvm->d0i3_suspend_mutex);
1215 mutex_unlock(&mvm->d0i3_suspend_mutex);
1217 ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
1221 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1222 IEEE80211_IFACE_ITER_NORMAL,
1223 iwl_mvm_exit_d0i3_iterator,
1226 schedule_work(&mvm->d0i3_exit_work);
1230 static int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
1232 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1234 iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
1235 return _iwl_mvm_exit_d0i3(mvm);
1238 static void iwl_mvm_napi_add(struct iwl_op_mode *op_mode,
1239 struct napi_struct *napi,
1240 struct net_device *napi_dev,
1241 int (*poll)(struct napi_struct *, int),
1244 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1246 ieee80211_napi_add(mvm->hw, napi, napi_dev, poll, weight);
1249 static const struct iwl_op_mode_ops iwl_mvm_ops = {
1250 .start = iwl_op_mode_mvm_start,
1251 .stop = iwl_op_mode_mvm_stop,
1252 .rx = iwl_mvm_rx_dispatch,
1253 .queue_full = iwl_mvm_stop_sw_queue,
1254 .queue_not_full = iwl_mvm_wake_sw_queue,
1255 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state,
1256 .free_skb = iwl_mvm_free_skb,
1257 .nic_error = iwl_mvm_nic_error,
1258 .cmd_queue_full = iwl_mvm_cmd_queue_full,
1259 .nic_config = iwl_mvm_nic_config,
1260 .enter_d0i3 = iwl_mvm_enter_d0i3,
1261 .exit_d0i3 = iwl_mvm_exit_d0i3,
1262 .napi_add = iwl_mvm_napi_add,