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.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
63 #include <linux/module.h>
64 #include <linux/vmalloc.h>
65 #include <net/mac80211.h>
67 #include "iwl-notif-wait.h"
68 #include "iwl-trans.h"
69 #include "iwl-op-mode.h"
71 #include "iwl-debug.h"
73 #include "iwl-modparams.h"
75 #include "iwl-phy-db.h"
76 #include "iwl-eeprom-parse.h"
81 #include "fw-api-scan.h"
82 #include "time-event.h"
83 #include "iwl-fw-error-dump.h"
86 * module name, copyright, version, etc.
88 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
90 #define DRV_VERSION IWLWIFI_VERSION
92 MODULE_DESCRIPTION(DRV_DESCRIPTION);
93 MODULE_VERSION(DRV_VERSION);
94 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
95 MODULE_LICENSE("GPL");
97 static const struct iwl_op_mode_ops iwl_mvm_ops;
99 struct iwl_mvm_mod_params iwlmvm_mod_params = {
100 .power_scheme = IWL_POWER_SCHEME_BPS,
101 /* rest of fields are 0 by default */
104 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, S_IRUGO);
105 MODULE_PARM_DESC(init_dbg,
106 "set to true to debug an ASSERT in INIT fw (default: false");
107 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO);
108 MODULE_PARM_DESC(power_scheme,
109 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
112 * module init and exit functions
114 static int __init iwl_mvm_init(void)
118 ret = iwl_mvm_rate_control_register();
120 pr_err("Unable to register rate control algorithm: %d\n", ret);
124 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
127 pr_err("Unable to register MVM op_mode: %d\n", ret);
128 iwl_mvm_rate_control_unregister();
133 module_init(iwl_mvm_init);
135 static void __exit iwl_mvm_exit(void)
137 iwl_opmode_deregister("iwlmvm");
138 iwl_mvm_rate_control_unregister();
140 module_exit(iwl_mvm_exit);
142 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
144 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
145 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
148 radio_cfg_type = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_TYPE) >>
149 FW_PHY_CFG_RADIO_TYPE_POS;
150 radio_cfg_step = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_STEP) >>
151 FW_PHY_CFG_RADIO_STEP_POS;
152 radio_cfg_dash = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_DASH) >>
153 FW_PHY_CFG_RADIO_DASH_POS;
156 reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
157 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
158 reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
159 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
161 /* radio configuration */
162 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
163 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
164 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
166 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
167 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
170 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
172 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
173 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
174 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
175 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
176 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
177 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
178 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
179 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI,
182 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
183 radio_cfg_step, radio_cfg_dash);
186 * W/A : NIC is stuck in a reset state after Early PCIe power off
187 * (PCIe power is lost before PERST# is asserted), causing ME FW
188 * to lose ownership and not being able to obtain it back.
190 if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
191 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
192 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
193 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
196 struct iwl_rx_handlers {
199 int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
200 struct iwl_device_cmd *cmd);
203 #define RX_HANDLER(_cmd_id, _fn, _async) \
204 { .cmd_id = _cmd_id , .fn = _fn , .async = _async }
207 * Handlers for fw notifications
208 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
209 * This list should be in order of frequency for performance purposes.
211 * The handler can be SYNC - this means that it will be called in the Rx path
212 * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and
213 * only in this case!), it should be set as ASYNC. In that case, it will be
214 * called from a worker with mvm->mutex held.
216 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
217 RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false),
218 RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false),
219 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false),
220 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
222 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true),
223 RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true),
224 RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true),
225 RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION,
226 iwl_mvm_rx_ant_coupling_notif, true),
228 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif, false),
230 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, false),
232 RX_HANDLER(SCAN_REQUEST_CMD, iwl_mvm_rx_scan_response, false),
233 RX_HANDLER(SCAN_COMPLETE_NOTIFICATION, iwl_mvm_rx_scan_complete, true),
234 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
235 iwl_mvm_rx_scan_offload_complete_notif, true),
236 RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_sched_scan_results,
239 RX_HANDLER(RADIO_VERSION_NOTIFICATION, iwl_mvm_rx_radio_ver, false),
240 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif, false),
242 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
245 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, false),
246 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
247 iwl_mvm_power_uapsd_misbehaving_ap_notif, false),
250 #define CMD(x) [x] = #x
252 static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
255 CMD(INIT_COMPLETE_NOTIF),
256 CMD(PHY_CONTEXT_CMD),
260 CMD(MAC_CONTEXT_CMD),
262 CMD(TIME_EVENT_NOTIFICATION),
263 CMD(BINDING_CONTEXT_CMD),
265 CMD(NON_QOS_TX_COUNTER_CMD),
266 CMD(RADIO_VERSION_NOTIFICATION),
267 CMD(SCAN_REQUEST_CMD),
269 CMD(SCAN_START_NOTIFICATION),
270 CMD(SCAN_RESULTS_NOTIFICATION),
271 CMD(SCAN_COMPLETE_NOTIFICATION),
273 CMD(PHY_CONFIGURATION_CMD),
274 CMD(CALIB_RES_NOTIF_PHY_DB),
275 CMD(SET_CALIB_DEFAULT_CMD),
276 CMD(CALIBRATION_COMPLETE_NOTIFICATION),
281 CMD(SCAN_OFFLOAD_CONFIG_CMD),
282 CMD(MATCH_FOUND_NOTIFICATION),
283 CMD(SCAN_OFFLOAD_REQUEST_CMD),
284 CMD(SCAN_OFFLOAD_ABORT_CMD),
285 CMD(SCAN_OFFLOAD_COMPLETE),
286 CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
287 CMD(POWER_TABLE_CMD),
289 CMD(REPLY_RX_PHY_CMD),
290 CMD(REPLY_RX_MPDU_CMD),
291 CMD(BEACON_NOTIFICATION),
292 CMD(BEACON_TEMPLATE_CMD),
293 CMD(STATISTICS_NOTIFICATION),
294 CMD(EOSP_NOTIFICATION),
295 CMD(REDUCE_TX_POWER_CMD),
296 CMD(TX_ANT_CONFIGURATION_CMD),
299 CMD(PROT_OFFLOAD_CONFIG_CMD),
300 CMD(OFFLOADS_QUERY_CMD),
301 CMD(REMOTE_WAKE_CONFIG_CMD),
302 CMD(WOWLAN_PATTERNS),
303 CMD(WOWLAN_CONFIGURATION),
304 CMD(WOWLAN_TSC_RSC_PARAM),
305 CMD(WOWLAN_TKIP_PARAM),
306 CMD(WOWLAN_KEK_KCK_MATERIAL),
307 CMD(WOWLAN_GET_STATUSES),
308 CMD(WOWLAN_TX_POWER_PER_DB),
309 CMD(NET_DETECT_CONFIG_CMD),
310 CMD(NET_DETECT_PROFILES_QUERY_CMD),
311 CMD(NET_DETECT_PROFILES_CMD),
312 CMD(NET_DETECT_HOTSPOTS_CMD),
313 CMD(NET_DETECT_HOTSPOTS_QUERY_CMD),
314 CMD(CARD_STATE_NOTIFICATION),
315 CMD(MISSED_BEACONS_NOTIFICATION),
316 CMD(BT_COEX_PRIO_TABLE),
317 CMD(BT_COEX_PROT_ENV),
318 CMD(BT_PROFILE_NOTIFICATION),
320 CMD(MCAST_FILTER_CMD),
321 CMD(BCAST_FILTER_CMD),
322 CMD(REPLY_SF_CFG_CMD),
323 CMD(REPLY_BEACON_FILTERING_CMD),
324 CMD(REPLY_THERMAL_MNG_BACKOFF),
325 CMD(MAC_PM_POWER_TABLE),
327 CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
328 CMD(ANTENNA_COUPLING_NOTIFICATION),
332 /* this forward declaration can avoid to export the function */
333 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
334 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
336 static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg)
338 const struct iwl_pwr_tx_backoff *pwr_tx_backoff = cfg->pwr_tx_backoffs;
343 while (pwr_tx_backoff->pwr) {
344 if (trans->dflt_pwr_limit >= pwr_tx_backoff->pwr)
345 return pwr_tx_backoff->backoff;
353 static struct iwl_op_mode *
354 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
355 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
357 struct ieee80211_hw *hw;
358 struct iwl_op_mode *op_mode;
360 struct iwl_trans_config trans_cfg = {};
361 static const u8 no_reclaim_cmds[] = {
368 * We use IWL_MVM_STATION_COUNT to check the validity of the station
369 * index all over the driver - check that its value corresponds to the
372 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
374 /********************************
375 * 1. Allocating and configuring HW data
376 ********************************/
377 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
378 sizeof(struct iwl_mvm),
384 op_mode->ops = &iwl_mvm_ops;
386 mvm = IWL_OP_MODE_GET_MVM(op_mode);
387 mvm->dev = trans->dev;
393 mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0;
396 mvm->first_agg_queue = 16;
397 mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1;
398 if (mvm->cfg->base_params->num_of_queues == 16) {
400 mvm->first_agg_queue = 12;
402 mvm->sf_state = SF_UNINIT;
404 mutex_init(&mvm->mutex);
405 mutex_init(&mvm->d0i3_suspend_mutex);
406 spin_lock_init(&mvm->async_handlers_lock);
407 INIT_LIST_HEAD(&mvm->time_event_list);
408 INIT_LIST_HEAD(&mvm->async_handlers_list);
409 spin_lock_init(&mvm->time_event_lock);
411 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
412 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
413 INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk);
414 INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
416 spin_lock_init(&mvm->d0i3_tx_lock);
417 skb_queue_head_init(&mvm->d0i3_tx);
418 init_waitqueue_head(&mvm->d0i3_exit_waitq);
420 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
423 * Populate the state variables that the transport layer needs
426 trans_cfg.op_mode = op_mode;
427 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
428 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
429 trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K;
431 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE)
432 trans_cfg.bc_table_dword = true;
434 if (!iwlwifi_mod_params.wd_disable)
435 trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout;
437 trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
439 trans_cfg.command_names = iwl_mvm_cmd_strings;
441 trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE;
442 trans_cfg.cmd_fifo = IWL_MVM_CMD_FIFO;
444 snprintf(mvm->hw->wiphy->fw_version,
445 sizeof(mvm->hw->wiphy->fw_version),
446 "%s", fw->fw_version);
448 /* Configure transport layer */
449 iwl_trans_configure(mvm->trans, &trans_cfg);
451 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
452 trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start);
454 /* set up notification wait support */
455 iwl_notification_wait_init(&mvm->notif_wait);
458 mvm->phy_db = iwl_phy_db_init(trans);
460 IWL_ERR(mvm, "Cannot init phy_db\n");
464 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
465 mvm->cfg->name, mvm->trans->hw_rev);
467 min_backoff = calc_min_backoff(trans, cfg);
468 iwl_mvm_tt_initialize(mvm, min_backoff);
469 /* set the nvm_file_name according to priority */
470 if (iwlwifi_mod_params.nvm_file)
471 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
473 mvm->nvm_file_name = mvm->cfg->default_nvm_file;
475 if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name,
476 "not allowing power-up and not having nvm_file\n"))
480 * Even if nvm exists in the nvm_file driver should read agin the nvm
481 * from the nic because there might be entries that exist in the OTP
482 * and not in the file.
483 * for nics with no_power_up_nic_in_init: rely completley on nvm_file
485 if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) {
486 err = iwl_nvm_init(mvm, false);
490 err = iwl_trans_start_hw(mvm->trans);
494 mutex_lock(&mvm->mutex);
495 err = iwl_run_init_mvm_ucode(mvm, true);
496 iwl_trans_stop_device(trans);
497 mutex_unlock(&mvm->mutex);
498 /* returns 0 if successful, 1 if success but in rfkill */
499 if (err < 0 && !iwlmvm_mod_params.init_dbg) {
500 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
505 scan_size = sizeof(struct iwl_scan_cmd) +
506 mvm->fw->ucode_capa.max_probe_length +
507 (mvm->fw->ucode_capa.n_scan_channels *
508 sizeof(struct iwl_scan_channel));
509 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
513 err = iwl_mvm_mac_setup_register(mvm);
517 err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
521 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
523 /* rpm starts with a taken ref. only set the appropriate bit here. */
524 set_bit(IWL_MVM_REF_UCODE_DOWN, mvm->ref_bitmap);
529 ieee80211_unregister_hw(mvm->hw);
530 iwl_mvm_leds_exit(mvm);
532 iwl_phy_db_free(mvm->phy_db);
533 kfree(mvm->scan_cmd);
534 if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name)
535 iwl_trans_op_mode_leave(trans);
536 ieee80211_free_hw(mvm->hw);
540 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
542 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
545 iwl_mvm_leds_exit(mvm);
547 iwl_mvm_tt_exit(mvm);
549 ieee80211_unregister_hw(mvm->hw);
551 kfree(mvm->scan_cmd);
552 vfree(mvm->fw_error_dump);
553 kfree(mvm->fw_error_sram);
554 kfree(mvm->fw_error_rxf);
555 kfree(mvm->mcast_filter_cmd);
556 mvm->mcast_filter_cmd = NULL;
558 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
559 kfree(mvm->d3_resume_sram);
562 iwl_trans_op_mode_leave(mvm->trans);
564 iwl_phy_db_free(mvm->phy_db);
567 iwl_free_nvm_data(mvm->nvm_data);
568 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
569 kfree(mvm->nvm_sections[i].data);
571 ieee80211_free_hw(mvm->hw);
574 struct iwl_async_handler_entry {
575 struct list_head list;
576 struct iwl_rx_cmd_buffer rxb;
577 int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
578 struct iwl_device_cmd *cmd);
581 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
583 struct iwl_async_handler_entry *entry, *tmp;
585 spin_lock_bh(&mvm->async_handlers_lock);
586 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
587 iwl_free_rxb(&entry->rxb);
588 list_del(&entry->list);
591 spin_unlock_bh(&mvm->async_handlers_lock);
594 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
596 struct iwl_mvm *mvm =
597 container_of(wk, struct iwl_mvm, async_handlers_wk);
598 struct iwl_async_handler_entry *entry, *tmp;
599 struct list_head local_list;
601 INIT_LIST_HEAD(&local_list);
603 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
604 mutex_lock(&mvm->mutex);
607 * Sync with Rx path with a lock. Remove all the entries from this list,
608 * add them to a local one (lock free), and then handle them.
610 spin_lock_bh(&mvm->async_handlers_lock);
611 list_splice_init(&mvm->async_handlers_list, &local_list);
612 spin_unlock_bh(&mvm->async_handlers_lock);
614 list_for_each_entry_safe(entry, tmp, &local_list, list) {
615 if (entry->fn(mvm, &entry->rxb, NULL))
617 "returned value from ASYNC handlers are ignored\n");
618 iwl_free_rxb(&entry->rxb);
619 list_del(&entry->list);
622 mutex_unlock(&mvm->mutex);
625 static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
626 struct iwl_rx_cmd_buffer *rxb,
627 struct iwl_device_cmd *cmd)
629 struct iwl_rx_packet *pkt = rxb_addr(rxb);
630 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
634 * Do the notification wait before RX handlers so
635 * even if the RX handler consumes the RXB we have
636 * access to it in the notification wait entry.
638 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
640 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
641 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
642 struct iwl_async_handler_entry *entry;
644 if (rx_h->cmd_id != pkt->hdr.cmd)
648 return rx_h->fn(mvm, rxb, cmd);
650 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
651 /* we can't do much... */
655 entry->rxb._page = rxb_steal_page(rxb);
656 entry->rxb._offset = rxb->_offset;
657 entry->rxb._rx_page_order = rxb->_rx_page_order;
658 entry->fn = rx_h->fn;
659 spin_lock(&mvm->async_handlers_lock);
660 list_add_tail(&entry->list, &mvm->async_handlers_list);
661 spin_unlock(&mvm->async_handlers_lock);
662 schedule_work(&mvm->async_handlers_wk);
669 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
671 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
672 int mq = mvm->queue_to_mac80211[queue];
674 if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
677 if (atomic_inc_return(&mvm->queue_stop_count[mq]) > 1) {
678 IWL_DEBUG_TX_QUEUES(mvm,
679 "queue %d (mac80211 %d) already stopped\n",
684 set_bit(mq, &mvm->transport_queue_stop);
685 ieee80211_stop_queue(mvm->hw, mq);
688 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
690 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
691 int mq = mvm->queue_to_mac80211[queue];
693 if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
696 if (atomic_dec_return(&mvm->queue_stop_count[mq]) > 0) {
697 IWL_DEBUG_TX_QUEUES(mvm,
698 "queue %d (mac80211 %d) already awake\n",
703 clear_bit(mq, &mvm->transport_queue_stop);
705 ieee80211_wake_queue(mvm->hw, mq);
708 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
711 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
713 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
715 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
718 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
720 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
723 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
725 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
727 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
729 return state && mvm->cur_ucode != IWL_UCODE_INIT;
732 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
734 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
735 struct ieee80211_tx_info *info;
737 info = IEEE80211_SKB_CB(skb);
738 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
739 ieee80211_free_txskb(mvm->hw, skb);
742 struct iwl_mvm_reprobe {
744 struct work_struct work;
747 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
749 struct iwl_mvm_reprobe *reprobe;
751 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
752 if (device_reprobe(reprobe->dev))
753 dev_err(reprobe->dev, "reprobe failed!\n");
755 module_put(THIS_MODULE);
758 static void iwl_mvm_nic_restart(struct iwl_mvm *mvm)
760 iwl_abort_notification_waits(&mvm->notif_wait);
763 * This is a bit racy, but worst case we tell mac80211 about
764 * a stopped/aborted scan when that was already done which
765 * is not a problem. It is necessary to abort any os scan
766 * here because mac80211 requires having the scan cleared
768 * We'll reset the scan_status to NONE in restart cleanup in
769 * the next start() call from mac80211. If restart isn't called
770 * (no fw restart) scan status will stay busy.
772 switch (mvm->scan_status) {
773 case IWL_MVM_SCAN_NONE:
775 case IWL_MVM_SCAN_OS:
776 ieee80211_scan_completed(mvm->hw, true);
778 case IWL_MVM_SCAN_SCHED:
779 /* Sched scan will be restarted by mac80211 in restart_hw. */
780 if (!mvm->restart_fw)
781 ieee80211_sched_scan_stopped(mvm->hw);
786 * If we're restarting already, don't cycle restarts.
787 * If INIT fw asserted, it will likely fail again.
788 * If WoWLAN fw asserted, don't restart either, mac80211
789 * can't recover this since we're already half suspended.
791 if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
792 struct iwl_mvm_reprobe *reprobe;
795 "Firmware error during reconfiguration - reprobe!\n");
798 * get a module reference to avoid doing this while unloading
799 * anyway and to avoid scheduling a work with code that's
802 if (!try_module_get(THIS_MODULE)) {
803 IWL_ERR(mvm, "Module is being unloaded - abort\n");
807 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
809 module_put(THIS_MODULE);
812 reprobe->dev = mvm->trans->dev;
813 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
814 schedule_work(&reprobe->work);
815 } else if (mvm->cur_ucode == IWL_UCODE_REGULAR && mvm->restart_fw) {
816 /* don't let the transport/FW power down */
817 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
819 if (mvm->restart_fw > 0)
821 ieee80211_restart_hw(mvm->hw);
825 #ifdef CONFIG_IWLWIFI_DEBUGFS
826 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
828 struct iwl_fw_error_dump_file *dump_file;
829 struct iwl_fw_error_dump_data *dump_data;
830 struct iwl_fw_error_dump_info *dump_info;
834 lockdep_assert_held(&mvm->mutex);
836 if (mvm->fw_error_dump)
839 file_len = sizeof(*dump_file) +
840 sizeof(*dump_data) * 3 +
841 mvm->fw_error_sram_len +
842 mvm->fw_error_rxf_len +
845 trans_len = iwl_trans_dump_data(mvm->trans, NULL, 0);
847 file_len += trans_len;
849 dump_file = vmalloc(file_len);
853 mvm->fw_error_dump = dump_file;
855 dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
856 dump_file->file_len = cpu_to_le32(file_len);
857 dump_data = (void *)dump_file->data;
859 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
860 dump_data->len = cpu_to_le32(sizeof(*dump_info));
861 dump_info = (void *) dump_data->data;
862 dump_info->device_family =
863 mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ?
864 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) :
865 cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8);
866 memcpy(dump_info->fw_human_readable, mvm->fw->human_readable,
867 sizeof(dump_info->fw_human_readable));
868 strncpy(dump_info->dev_human_readable, mvm->cfg->name,
869 sizeof(dump_info->dev_human_readable));
870 strncpy(dump_info->bus_human_readable, mvm->dev->bus->name,
871 sizeof(dump_info->bus_human_readable));
873 dump_data = iwl_fw_error_next_data(dump_data);
874 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF);
875 dump_data->len = cpu_to_le32(mvm->fw_error_rxf_len);
876 memcpy(dump_data->data, mvm->fw_error_rxf, mvm->fw_error_rxf_len);
878 dump_data = iwl_fw_error_next_data(dump_data);
879 dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM);
880 dump_data->len = cpu_to_le32(mvm->fw_error_sram_len);
883 * No need for lock since at the stage the FW isn't loaded. So it
884 * can't assert - we are the only one who can possibly be accessing
885 * mvm->fw_error_sram right now.
887 memcpy(dump_data->data, mvm->fw_error_sram, mvm->fw_error_sram_len);
889 kfree(mvm->fw_error_rxf);
890 mvm->fw_error_rxf = NULL;
891 mvm->fw_error_rxf_len = 0;
893 kfree(mvm->fw_error_sram);
894 mvm->fw_error_sram = NULL;
895 mvm->fw_error_sram_len = 0;
898 void *buf = iwl_fw_error_next_data(dump_data);
899 u32 real_trans_len = iwl_trans_dump_data(mvm->trans, buf,
901 dump_data = (void *)((u8 *)buf + real_trans_len);
902 dump_file->file_len =
903 cpu_to_le32(file_len - trans_len + real_trans_len);
908 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
910 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
912 iwl_mvm_dump_nic_error_log(mvm);
914 #ifdef CONFIG_IWLWIFI_DEBUGFS
915 iwl_mvm_fw_error_sram_dump(mvm);
916 iwl_mvm_fw_error_rxf_dump(mvm);
919 iwl_mvm_nic_restart(mvm);
922 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
924 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
927 iwl_mvm_nic_restart(mvm);
930 struct iwl_d0i3_iter_data {
935 bool disable_offloading;
938 static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
939 struct ieee80211_vif *vif,
940 struct iwl_d0i3_iter_data *iter_data)
942 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
943 struct ieee80211_sta *ap_sta;
944 struct iwl_mvm_sta *mvmsta;
945 u32 available_tids = 0;
948 if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
949 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
952 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]);
953 if (IS_ERR_OR_NULL(ap_sta))
956 mvmsta = iwl_mvm_sta_from_mac80211(ap_sta);
957 spin_lock_bh(&mvmsta->lock);
958 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
959 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
962 * in case of pending tx packets, don't use this tid
963 * for offloading in order to prevent reuse of the same
966 if (iwl_mvm_tid_queued(tid_data))
969 if (tid_data->state != IWL_AGG_OFF)
972 available_tids |= BIT(tid);
974 spin_unlock_bh(&mvmsta->lock);
977 * disallow protocol offloading if we have no available tid
978 * (with no pending frames and no active aggregation,
979 * as we don't handle "holes" properly - the scheduler needs the
980 * frame's seq number and TFD index to match)
985 /* for simplicity, just use the first available tid */
986 iter_data->offloading_tid = ffs(available_tids) - 1;
990 static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
991 struct ieee80211_vif *vif)
993 struct iwl_d0i3_iter_data *data = _data;
994 struct iwl_mvm *mvm = data->mvm;
995 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
996 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
998 IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
999 if (vif->type != NL80211_IFTYPE_STATION ||
1000 !vif->bss_conf.assoc)
1004 * in case of pending tx packets or active aggregations,
1005 * avoid offloading features in order to prevent reuse of
1006 * the same qos seq counters.
1008 if (iwl_mvm_disallow_offloading(mvm, vif, data))
1009 data->disable_offloading = true;
1011 iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
1012 iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags);
1015 * on init/association, mvm already configures POWER_TABLE_CMD
1016 * and REPLY_MCAST_FILTER_CMD, so currently don't
1017 * reconfigure them (we might want to use different
1018 * params later on, though).
1020 data->ap_sta_id = mvmvif->ap_sta_id;
1024 static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
1025 struct iwl_wowlan_config_cmd_v3 *cmd,
1026 struct iwl_d0i3_iter_data *iter_data)
1028 struct ieee80211_sta *ap_sta;
1029 struct iwl_mvm_sta *mvm_ap_sta;
1031 if (iter_data->ap_sta_id == IWL_MVM_STATION_COUNT)
1036 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
1037 if (IS_ERR_OR_NULL(ap_sta))
1040 mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
1041 cmd->common.is_11n_connection = ap_sta->ht_cap.ht_supported;
1042 cmd->offloading_tid = iter_data->offloading_tid;
1045 * The d0i3 uCode takes care of the nonqos counters,
1046 * so configure only the qos seq ones.
1048 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, &cmd->common);
1052 static int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
1054 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1055 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1057 struct iwl_d0i3_iter_data d0i3_iter_data = {
1060 struct iwl_wowlan_config_cmd_v3 wowlan_config_cmd = {
1063 cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
1064 IWL_WOWLAN_WAKEUP_BEACON_MISS |
1065 IWL_WOWLAN_WAKEUP_LINK_CHANGE |
1066 IWL_WOWLAN_WAKEUP_BCN_FILTERING),
1069 struct iwl_d3_manager_config d3_cfg_cmd = {
1070 .min_sleep_time = cpu_to_le32(1000),
1073 IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
1075 /* make sure we have no running tx while configuring the qos */
1076 set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1079 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1080 IEEE80211_IFACE_ITER_NORMAL,
1081 iwl_mvm_enter_d0i3_iterator,
1083 if (d0i3_iter_data.vif_count == 1) {
1084 mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
1085 mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
1087 WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
1088 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1089 mvm->d0i3_offloading = false;
1092 iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data);
1093 ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
1094 sizeof(wowlan_config_cmd),
1095 &wowlan_config_cmd);
1099 return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
1100 flags | CMD_MAKE_TRANS_IDLE,
1101 sizeof(d3_cfg_cmd), &d3_cfg_cmd);
1104 static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
1105 struct ieee80211_vif *vif)
1107 struct iwl_mvm *mvm = _data;
1108 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
1110 IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
1111 if (vif->type != NL80211_IFTYPE_STATION ||
1112 !vif->bss_conf.assoc)
1115 iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
1118 static void iwl_mvm_d0i3_disconnect_iter(void *data, u8 *mac,
1119 struct ieee80211_vif *vif)
1121 struct iwl_mvm *mvm = data;
1122 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1124 if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc &&
1125 mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1126 ieee80211_connection_loss(vif);
1129 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
1131 struct ieee80211_sta *sta = NULL;
1132 struct iwl_mvm_sta *mvm_ap_sta;
1134 bool wake_queues = false;
1136 lockdep_assert_held(&mvm->mutex);
1138 spin_lock_bh(&mvm->d0i3_tx_lock);
1140 if (mvm->d0i3_ap_sta_id == IWL_MVM_STATION_COUNT)
1143 IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
1145 /* get the sta in order to update seq numbers and re-enqueue skbs */
1146 sta = rcu_dereference_protected(
1147 mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
1148 lockdep_is_held(&mvm->mutex));
1150 if (IS_ERR_OR_NULL(sta)) {
1155 if (mvm->d0i3_offloading && qos_seq) {
1156 /* update qos seq numbers if offloading was enabled */
1157 mvm_ap_sta = (struct iwl_mvm_sta *)sta->drv_priv;
1158 for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
1159 u16 seq = le16_to_cpu(qos_seq[i]);
1160 /* firmware stores last-used one, we store next one */
1162 mvm_ap_sta->tid_data[i].seq_number = seq;
1166 /* re-enqueue (or drop) all packets */
1167 while (!skb_queue_empty(&mvm->d0i3_tx)) {
1168 struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
1170 if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
1171 ieee80211_free_txskb(mvm->hw, skb);
1173 /* if the skb_queue is not empty, we need to wake queues */
1176 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1177 wake_up(&mvm->d0i3_exit_waitq);
1178 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1180 ieee80211_wake_queues(mvm->hw);
1182 spin_unlock_bh(&mvm->d0i3_tx_lock);
1185 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
1187 struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
1188 struct iwl_host_cmd get_status_cmd = {
1189 .id = WOWLAN_GET_STATUSES,
1190 .flags = CMD_HIGH_PRIO | CMD_WANT_SKB,
1192 struct iwl_wowlan_status *status;
1194 u32 disconnection_reasons, wakeup_reasons;
1195 __le16 *qos_seq = NULL;
1197 mutex_lock(&mvm->mutex);
1198 ret = iwl_mvm_send_cmd(mvm, &get_status_cmd);
1202 if (!get_status_cmd.resp_pkt)
1205 status = (void *)get_status_cmd.resp_pkt->data;
1206 wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
1207 qos_seq = status->qos_seq_ctr;
1209 IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
1211 disconnection_reasons =
1212 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |
1213 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH;
1214 if (wakeup_reasons & disconnection_reasons)
1215 ieee80211_iterate_active_interfaces(
1216 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1217 iwl_mvm_d0i3_disconnect_iter, mvm);
1219 iwl_free_resp(&get_status_cmd);
1221 iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
1222 iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
1223 mutex_unlock(&mvm->mutex);
1226 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
1228 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
1232 IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
1234 mutex_lock(&mvm->d0i3_suspend_mutex);
1235 if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
1236 IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
1237 __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
1238 mutex_unlock(&mvm->d0i3_suspend_mutex);
1241 mutex_unlock(&mvm->d0i3_suspend_mutex);
1243 ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
1247 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1248 IEEE80211_IFACE_ITER_NORMAL,
1249 iwl_mvm_exit_d0i3_iterator,
1252 schedule_work(&mvm->d0i3_exit_work);
1256 static int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
1258 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1260 iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
1261 return _iwl_mvm_exit_d0i3(mvm);
1264 static void iwl_mvm_napi_add(struct iwl_op_mode *op_mode,
1265 struct napi_struct *napi,
1266 struct net_device *napi_dev,
1267 int (*poll)(struct napi_struct *, int),
1270 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1272 ieee80211_napi_add(mvm->hw, napi, napi_dev, poll, weight);
1275 static const struct iwl_op_mode_ops iwl_mvm_ops = {
1276 .start = iwl_op_mode_mvm_start,
1277 .stop = iwl_op_mode_mvm_stop,
1278 .rx = iwl_mvm_rx_dispatch,
1279 .queue_full = iwl_mvm_stop_sw_queue,
1280 .queue_not_full = iwl_mvm_wake_sw_queue,
1281 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state,
1282 .free_skb = iwl_mvm_free_skb,
1283 .nic_error = iwl_mvm_nic_error,
1284 .cmd_queue_full = iwl_mvm_cmd_queue_full,
1285 .nic_config = iwl_mvm_nic_config,
1286 .enter_d0i3 = iwl_mvm_enter_d0i3,
1287 .exit_d0i3 = iwl_mvm_exit_d0i3,
1288 .napi_add = iwl_mvm_napi_add,