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),
257 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, true),
261 #define CMD(x) [x] = #x
263 static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
266 CMD(INIT_COMPLETE_NOTIF),
267 CMD(PHY_CONTEXT_CMD),
271 CMD(MAC_CONTEXT_CMD),
273 CMD(TIME_EVENT_NOTIFICATION),
274 CMD(BINDING_CONTEXT_CMD),
276 CMD(NON_QOS_TX_COUNTER_CMD),
277 CMD(RADIO_VERSION_NOTIFICATION),
278 CMD(SCAN_REQUEST_CMD),
280 CMD(SCAN_START_NOTIFICATION),
281 CMD(SCAN_RESULTS_NOTIFICATION),
282 CMD(SCAN_COMPLETE_NOTIFICATION),
284 CMD(PHY_CONFIGURATION_CMD),
285 CMD(CALIB_RES_NOTIF_PHY_DB),
286 CMD(SET_CALIB_DEFAULT_CMD),
287 CMD(CALIBRATION_COMPLETE_NOTIFICATION),
292 CMD(SCAN_OFFLOAD_CONFIG_CMD),
293 CMD(MATCH_FOUND_NOTIFICATION),
294 CMD(SCAN_OFFLOAD_REQUEST_CMD),
295 CMD(SCAN_OFFLOAD_ABORT_CMD),
297 CMD(SCAN_OFFLOAD_COMPLETE),
298 CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
299 CMD(SCAN_ITERATION_COMPLETE),
300 CMD(POWER_TABLE_CMD),
302 CMD(REPLY_RX_PHY_CMD),
303 CMD(REPLY_RX_MPDU_CMD),
304 CMD(BEACON_NOTIFICATION),
305 CMD(BEACON_TEMPLATE_CMD),
306 CMD(STATISTICS_NOTIFICATION),
307 CMD(EOSP_NOTIFICATION),
308 CMD(REDUCE_TX_POWER_CMD),
309 CMD(TX_ANT_CONFIGURATION_CMD),
312 CMD(PROT_OFFLOAD_CONFIG_CMD),
313 CMD(OFFLOADS_QUERY_CMD),
314 CMD(REMOTE_WAKE_CONFIG_CMD),
315 CMD(WOWLAN_PATTERNS),
316 CMD(WOWLAN_CONFIGURATION),
317 CMD(WOWLAN_TSC_RSC_PARAM),
318 CMD(WOWLAN_TKIP_PARAM),
319 CMD(WOWLAN_KEK_KCK_MATERIAL),
320 CMD(WOWLAN_GET_STATUSES),
321 CMD(WOWLAN_TX_POWER_PER_DB),
322 CMD(NET_DETECT_CONFIG_CMD),
323 CMD(NET_DETECT_PROFILES_QUERY_CMD),
324 CMD(NET_DETECT_PROFILES_CMD),
325 CMD(NET_DETECT_HOTSPOTS_CMD),
326 CMD(NET_DETECT_HOTSPOTS_QUERY_CMD),
327 CMD(CARD_STATE_NOTIFICATION),
328 CMD(MISSED_BEACONS_NOTIFICATION),
329 CMD(BT_COEX_PRIO_TABLE),
330 CMD(BT_COEX_PROT_ENV),
331 CMD(BT_PROFILE_NOTIFICATION),
333 CMD(MCAST_FILTER_CMD),
334 CMD(BCAST_FILTER_CMD),
335 CMD(REPLY_SF_CFG_CMD),
336 CMD(REPLY_BEACON_FILTERING_CMD),
337 CMD(CMD_DTS_MEASUREMENT_TRIGGER),
338 CMD(DTS_MEASUREMENT_NOTIFICATION),
339 CMD(REPLY_THERMAL_MNG_BACKOFF),
340 CMD(MAC_PM_POWER_TABLE),
343 CMD(BT_COEX_UPDATE_SW_BOOST),
344 CMD(BT_COEX_UPDATE_CORUN_LUT),
345 CMD(BT_COEX_UPDATE_REDUCED_TXP),
346 CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
347 CMD(ANTENNA_COUPLING_NOTIFICATION),
352 /* this forward declaration can avoid to export the function */
353 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
354 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
356 static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg)
358 const struct iwl_pwr_tx_backoff *pwr_tx_backoff = cfg->pwr_tx_backoffs;
363 while (pwr_tx_backoff->pwr) {
364 if (trans->dflt_pwr_limit >= pwr_tx_backoff->pwr)
365 return pwr_tx_backoff->backoff;
373 static void iwl_mvm_fw_error_dump_wk(struct work_struct *work);
375 static struct iwl_op_mode *
376 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
377 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
379 struct ieee80211_hw *hw;
380 struct iwl_op_mode *op_mode;
382 struct iwl_trans_config trans_cfg = {};
383 static const u8 no_reclaim_cmds[] = {
390 * We use IWL_MVM_STATION_COUNT to check the validity of the station
391 * index all over the driver - check that its value corresponds to the
394 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
396 /********************************
397 * 1. Allocating and configuring HW data
398 ********************************/
399 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
400 sizeof(struct iwl_mvm),
405 if (cfg->max_rx_agg_size)
406 hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
408 if (cfg->max_tx_agg_size)
409 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
412 op_mode->ops = &iwl_mvm_ops;
414 mvm = IWL_OP_MODE_GET_MVM(op_mode);
415 mvm->dev = trans->dev;
421 mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0;
424 mvm->first_agg_queue = 16;
425 mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1;
426 if (mvm->cfg->base_params->num_of_queues == 16) {
428 mvm->first_agg_queue = 12;
430 mvm->sf_state = SF_UNINIT;
431 mvm->low_latency_agg_frame_limit = 6;
432 mvm->cur_ucode = IWL_UCODE_INIT;
434 mutex_init(&mvm->mutex);
435 mutex_init(&mvm->d0i3_suspend_mutex);
436 spin_lock_init(&mvm->async_handlers_lock);
437 INIT_LIST_HEAD(&mvm->time_event_list);
438 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
439 INIT_LIST_HEAD(&mvm->async_handlers_list);
440 spin_lock_init(&mvm->time_event_lock);
442 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
443 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
444 INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk);
445 INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
446 INIT_WORK(&mvm->fw_error_dump_wk, iwl_mvm_fw_error_dump_wk);
448 spin_lock_init(&mvm->d0i3_tx_lock);
449 spin_lock_init(&mvm->refs_lock);
450 skb_queue_head_init(&mvm->d0i3_tx);
451 init_waitqueue_head(&mvm->d0i3_exit_waitq);
453 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
456 * Populate the state variables that the transport layer needs
459 trans_cfg.op_mode = op_mode;
460 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
461 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
462 trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K;
464 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE)
465 trans_cfg.bc_table_dword = true;
467 if (!iwlwifi_mod_params.wd_disable)
468 trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout;
470 trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
472 trans_cfg.command_names = iwl_mvm_cmd_strings;
474 trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE;
475 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
476 trans_cfg.scd_set_active = true;
478 snprintf(mvm->hw->wiphy->fw_version,
479 sizeof(mvm->hw->wiphy->fw_version),
480 "%s", fw->fw_version);
482 /* Configure transport layer */
483 iwl_trans_configure(mvm->trans, &trans_cfg);
485 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
486 trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start);
488 /* set up notification wait support */
489 iwl_notification_wait_init(&mvm->notif_wait);
492 mvm->phy_db = iwl_phy_db_init(trans);
494 IWL_ERR(mvm, "Cannot init phy_db\n");
498 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
499 mvm->cfg->name, mvm->trans->hw_rev);
501 min_backoff = calc_min_backoff(trans, cfg);
502 iwl_mvm_tt_initialize(mvm, min_backoff);
503 /* set the nvm_file_name according to priority */
504 if (iwlwifi_mod_params.nvm_file)
505 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
507 mvm->nvm_file_name = mvm->cfg->default_nvm_file;
509 if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name,
510 "not allowing power-up and not having nvm_file\n"))
514 * Even if nvm exists in the nvm_file driver should read again the nvm
515 * from the nic because there might be entries that exist in the OTP
516 * and not in the file.
517 * for nics with no_power_up_nic_in_init: rely completley on nvm_file
519 if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) {
520 err = iwl_nvm_init(mvm, false);
524 err = iwl_trans_start_hw(mvm->trans);
528 mutex_lock(&mvm->mutex);
529 err = iwl_run_init_mvm_ucode(mvm, true);
530 if (!err || !iwlmvm_mod_params.init_dbg)
531 iwl_trans_stop_device(trans);
532 mutex_unlock(&mvm->mutex);
533 /* returns 0 if successful, 1 if success but in rfkill */
534 if (err < 0 && !iwlmvm_mod_params.init_dbg) {
535 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
540 if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
541 scan_size = sizeof(struct iwl_scan_req_unified_lmac) +
542 sizeof(struct iwl_scan_channel_cfg_lmac) *
543 mvm->fw->ucode_capa.n_scan_channels +
544 sizeof(struct iwl_scan_probe_req);
546 scan_size = sizeof(struct iwl_scan_cmd) +
547 mvm->fw->ucode_capa.max_probe_length +
548 mvm->fw->ucode_capa.n_scan_channels *
549 sizeof(struct iwl_scan_channel);
551 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
555 err = iwl_mvm_mac_setup_register(mvm);
559 err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
563 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
565 /* rpm starts with a taken ref. only set the appropriate bit here. */
566 mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1;
571 ieee80211_unregister_hw(mvm->hw);
572 iwl_mvm_leds_exit(mvm);
574 iwl_phy_db_free(mvm->phy_db);
575 kfree(mvm->scan_cmd);
576 if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name)
577 iwl_trans_op_mode_leave(trans);
578 ieee80211_free_hw(mvm->hw);
582 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
584 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
587 iwl_mvm_leds_exit(mvm);
589 iwl_mvm_tt_exit(mvm);
591 ieee80211_unregister_hw(mvm->hw);
593 kfree(mvm->scan_cmd);
594 kfree(mvm->mcast_filter_cmd);
595 mvm->mcast_filter_cmd = NULL;
597 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
598 kfree(mvm->d3_resume_sram);
599 if (mvm->nd_config) {
600 kfree(mvm->nd_config->match_sets);
601 kfree(mvm->nd_config);
602 mvm->nd_config = NULL;
608 iwl_trans_op_mode_leave(mvm->trans);
610 iwl_phy_db_free(mvm->phy_db);
613 iwl_free_nvm_data(mvm->nvm_data);
614 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
615 kfree(mvm->nvm_sections[i].data);
617 ieee80211_free_hw(mvm->hw);
620 struct iwl_async_handler_entry {
621 struct list_head list;
622 struct iwl_rx_cmd_buffer rxb;
623 int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
624 struct iwl_device_cmd *cmd);
627 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
629 struct iwl_async_handler_entry *entry, *tmp;
631 spin_lock_bh(&mvm->async_handlers_lock);
632 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
633 iwl_free_rxb(&entry->rxb);
634 list_del(&entry->list);
637 spin_unlock_bh(&mvm->async_handlers_lock);
640 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
642 struct iwl_mvm *mvm =
643 container_of(wk, struct iwl_mvm, async_handlers_wk);
644 struct iwl_async_handler_entry *entry, *tmp;
645 struct list_head local_list;
647 INIT_LIST_HEAD(&local_list);
649 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
650 mutex_lock(&mvm->mutex);
653 * Sync with Rx path with a lock. Remove all the entries from this list,
654 * add them to a local one (lock free), and then handle them.
656 spin_lock_bh(&mvm->async_handlers_lock);
657 list_splice_init(&mvm->async_handlers_list, &local_list);
658 spin_unlock_bh(&mvm->async_handlers_lock);
660 list_for_each_entry_safe(entry, tmp, &local_list, list) {
661 if (entry->fn(mvm, &entry->rxb, NULL))
663 "returned value from ASYNC handlers are ignored\n");
664 iwl_free_rxb(&entry->rxb);
665 list_del(&entry->list);
668 mutex_unlock(&mvm->mutex);
671 static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
672 struct iwl_rx_cmd_buffer *rxb,
673 struct iwl_device_cmd *cmd)
675 struct iwl_rx_packet *pkt = rxb_addr(rxb);
676 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
680 * Do the notification wait before RX handlers so
681 * even if the RX handler consumes the RXB we have
682 * access to it in the notification wait entry.
684 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
686 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
687 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
688 struct iwl_async_handler_entry *entry;
690 if (rx_h->cmd_id != pkt->hdr.cmd)
694 return rx_h->fn(mvm, rxb, cmd);
696 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
697 /* we can't do much... */
701 entry->rxb._page = rxb_steal_page(rxb);
702 entry->rxb._offset = rxb->_offset;
703 entry->rxb._rx_page_order = rxb->_rx_page_order;
704 entry->fn = rx_h->fn;
705 spin_lock(&mvm->async_handlers_lock);
706 list_add_tail(&entry->list, &mvm->async_handlers_list);
707 spin_unlock(&mvm->async_handlers_lock);
708 schedule_work(&mvm->async_handlers_wk);
715 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
717 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
718 int mq = mvm->queue_to_mac80211[queue];
720 if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
723 if (atomic_inc_return(&mvm->mac80211_queue_stop_count[mq]) > 1) {
724 IWL_DEBUG_TX_QUEUES(mvm,
725 "queue %d (mac80211 %d) already stopped\n",
730 ieee80211_stop_queue(mvm->hw, mq);
733 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
735 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
736 int mq = mvm->queue_to_mac80211[queue];
738 if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
741 if (atomic_dec_return(&mvm->mac80211_queue_stop_count[mq]) > 0) {
742 IWL_DEBUG_TX_QUEUES(mvm,
743 "queue %d (mac80211 %d) still stopped\n",
748 ieee80211_wake_queue(mvm->hw, mq);
751 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
754 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
756 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
758 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
761 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
763 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
764 bool calibrating = ACCESS_ONCE(mvm->calibrating);
767 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
769 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
771 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm));
773 /* iwl_run_init_mvm_ucode is waiting for results, abort it */
775 iwl_abort_notification_waits(&mvm->notif_wait);
778 * Stop the device if we run OPERATIONAL firmware or if we are in the
779 * middle of the calibrations.
781 return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating);
784 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
786 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
787 struct ieee80211_tx_info *info;
789 info = IEEE80211_SKB_CB(skb);
790 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
791 ieee80211_free_txskb(mvm->hw, skb);
794 struct iwl_mvm_reprobe {
796 struct work_struct work;
799 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
801 struct iwl_mvm_reprobe *reprobe;
803 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
804 if (device_reprobe(reprobe->dev))
805 dev_err(reprobe->dev, "reprobe failed!\n");
807 module_put(THIS_MODULE);
810 static void iwl_mvm_fw_error_dump_wk(struct work_struct *work)
812 struct iwl_mvm *mvm =
813 container_of(work, struct iwl_mvm, fw_error_dump_wk);
815 mutex_lock(&mvm->mutex);
816 iwl_mvm_fw_error_dump(mvm);
817 mutex_unlock(&mvm->mutex);
820 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
822 iwl_abort_notification_waits(&mvm->notif_wait);
825 * This is a bit racy, but worst case we tell mac80211 about
826 * a stopped/aborted scan when that was already done which
827 * is not a problem. It is necessary to abort any os scan
828 * here because mac80211 requires having the scan cleared
830 * We'll reset the scan_status to NONE in restart cleanup in
831 * the next start() call from mac80211. If restart isn't called
832 * (no fw restart) scan status will stay busy.
834 switch (mvm->scan_status) {
835 case IWL_MVM_SCAN_NONE:
837 case IWL_MVM_SCAN_OS:
838 ieee80211_scan_completed(mvm->hw, true);
840 case IWL_MVM_SCAN_SCHED:
841 /* Sched scan will be restarted by mac80211 in restart_hw. */
842 if (!mvm->restart_fw)
843 ieee80211_sched_scan_stopped(mvm->hw);
848 * If we're restarting already, don't cycle restarts.
849 * If INIT fw asserted, it will likely fail again.
850 * If WoWLAN fw asserted, don't restart either, mac80211
851 * can't recover this since we're already half suspended.
853 if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
854 struct iwl_mvm_reprobe *reprobe;
857 "Firmware error during reconfiguration - reprobe!\n");
860 * get a module reference to avoid doing this while unloading
861 * anyway and to avoid scheduling a work with code that's
864 if (!try_module_get(THIS_MODULE)) {
865 IWL_ERR(mvm, "Module is being unloaded - abort\n");
869 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
871 module_put(THIS_MODULE);
874 reprobe->dev = mvm->trans->dev;
875 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
876 schedule_work(&reprobe->work);
877 } else if (mvm->cur_ucode == IWL_UCODE_REGULAR &&
878 (!fw_error || mvm->restart_fw)) {
879 /* don't let the transport/FW power down */
880 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
882 if (fw_error && mvm->restart_fw > 0)
884 ieee80211_restart_hw(mvm->hw);
885 } else if (fw_error) {
886 schedule_work(&mvm->fw_error_dump_wk);
890 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
892 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
894 iwl_mvm_dump_nic_error_log(mvm);
896 iwl_mvm_nic_restart(mvm, true);
899 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
901 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
904 iwl_mvm_nic_restart(mvm, true);
907 struct iwl_d0i3_iter_data {
912 bool disable_offloading;
915 static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
916 struct ieee80211_vif *vif,
917 struct iwl_d0i3_iter_data *iter_data)
919 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
920 struct ieee80211_sta *ap_sta;
921 struct iwl_mvm_sta *mvmsta;
922 u32 available_tids = 0;
925 if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
926 mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT))
929 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id]);
930 if (IS_ERR_OR_NULL(ap_sta))
933 mvmsta = iwl_mvm_sta_from_mac80211(ap_sta);
934 spin_lock_bh(&mvmsta->lock);
935 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
936 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
939 * in case of pending tx packets, don't use this tid
940 * for offloading in order to prevent reuse of the same
943 if (iwl_mvm_tid_queued(tid_data))
946 if (tid_data->state != IWL_AGG_OFF)
949 available_tids |= BIT(tid);
951 spin_unlock_bh(&mvmsta->lock);
954 * disallow protocol offloading if we have no available tid
955 * (with no pending frames and no active aggregation,
956 * as we don't handle "holes" properly - the scheduler needs the
957 * frame's seq number and TFD index to match)
962 /* for simplicity, just use the first available tid */
963 iter_data->offloading_tid = ffs(available_tids) - 1;
967 static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
968 struct ieee80211_vif *vif)
970 struct iwl_d0i3_iter_data *data = _data;
971 struct iwl_mvm *mvm = data->mvm;
972 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
973 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
975 IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
976 if (vif->type != NL80211_IFTYPE_STATION ||
977 !vif->bss_conf.assoc)
981 * in case of pending tx packets or active aggregations,
982 * avoid offloading features in order to prevent reuse of
983 * the same qos seq counters.
985 if (iwl_mvm_disallow_offloading(mvm, vif, data))
986 data->disable_offloading = true;
988 iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
989 iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading, flags);
992 * on init/association, mvm already configures POWER_TABLE_CMD
993 * and REPLY_MCAST_FILTER_CMD, so currently don't
994 * reconfigure them (we might want to use different
995 * params later on, though).
997 data->ap_sta_id = mvmvif->ap_sta_id;
1001 static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
1002 struct iwl_wowlan_config_cmd_v3 *cmd,
1003 struct iwl_d0i3_iter_data *iter_data)
1005 struct ieee80211_sta *ap_sta;
1006 struct iwl_mvm_sta *mvm_ap_sta;
1008 if (iter_data->ap_sta_id == IWL_MVM_STATION_COUNT)
1013 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
1014 if (IS_ERR_OR_NULL(ap_sta))
1017 mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
1018 cmd->common.is_11n_connection = ap_sta->ht_cap.ht_supported;
1019 cmd->offloading_tid = iter_data->offloading_tid;
1022 * The d0i3 uCode takes care of the nonqos counters,
1023 * so configure only the qos seq ones.
1025 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, &cmd->common);
1029 static int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
1031 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1032 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1034 struct iwl_d0i3_iter_data d0i3_iter_data = {
1037 struct iwl_wowlan_config_cmd_v3 wowlan_config_cmd = {
1040 cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
1041 IWL_WOWLAN_WAKEUP_BEACON_MISS |
1042 IWL_WOWLAN_WAKEUP_LINK_CHANGE |
1043 IWL_WOWLAN_WAKEUP_BCN_FILTERING),
1046 struct iwl_d3_manager_config d3_cfg_cmd = {
1047 .min_sleep_time = cpu_to_le32(1000),
1050 IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
1052 /* make sure we have no running tx while configuring the qos */
1053 set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1057 * iwl_mvm_ref_sync takes a reference before checking the flag.
1058 * so by checking there is no held reference we prevent a state
1059 * in which iwl_mvm_ref_sync continues successfully while we
1060 * configure the firmware to enter d0i3
1062 if (iwl_mvm_ref_taken(mvm)) {
1063 IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
1064 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1065 wake_up(&mvm->d0i3_exit_waitq);
1069 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1070 IEEE80211_IFACE_ITER_NORMAL,
1071 iwl_mvm_enter_d0i3_iterator,
1073 if (d0i3_iter_data.vif_count == 1) {
1074 mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
1075 mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
1077 WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
1078 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1079 mvm->d0i3_offloading = false;
1082 iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data);
1083 ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
1084 sizeof(wowlan_config_cmd),
1085 &wowlan_config_cmd);
1089 return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
1090 flags | CMD_MAKE_TRANS_IDLE,
1091 sizeof(d3_cfg_cmd), &d3_cfg_cmd);
1094 static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
1095 struct ieee80211_vif *vif)
1097 struct iwl_mvm *mvm = _data;
1098 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
1100 IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
1101 if (vif->type != NL80211_IFTYPE_STATION ||
1102 !vif->bss_conf.assoc)
1105 iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
1108 static void iwl_mvm_d0i3_disconnect_iter(void *data, u8 *mac,
1109 struct ieee80211_vif *vif)
1111 struct iwl_mvm *mvm = data;
1112 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1114 if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc &&
1115 mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id)
1116 ieee80211_connection_loss(vif);
1119 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
1121 struct ieee80211_sta *sta = NULL;
1122 struct iwl_mvm_sta *mvm_ap_sta;
1124 bool wake_queues = false;
1126 lockdep_assert_held(&mvm->mutex);
1128 spin_lock_bh(&mvm->d0i3_tx_lock);
1130 if (mvm->d0i3_ap_sta_id == IWL_MVM_STATION_COUNT)
1133 IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
1135 /* get the sta in order to update seq numbers and re-enqueue skbs */
1136 sta = rcu_dereference_protected(
1137 mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
1138 lockdep_is_held(&mvm->mutex));
1140 if (IS_ERR_OR_NULL(sta)) {
1145 if (mvm->d0i3_offloading && qos_seq) {
1146 /* update qos seq numbers if offloading was enabled */
1147 mvm_ap_sta = (struct iwl_mvm_sta *)sta->drv_priv;
1148 for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
1149 u16 seq = le16_to_cpu(qos_seq[i]);
1150 /* firmware stores last-used one, we store next one */
1152 mvm_ap_sta->tid_data[i].seq_number = seq;
1156 /* re-enqueue (or drop) all packets */
1157 while (!skb_queue_empty(&mvm->d0i3_tx)) {
1158 struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
1160 if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
1161 ieee80211_free_txskb(mvm->hw, skb);
1163 /* if the skb_queue is not empty, we need to wake queues */
1166 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1167 wake_up(&mvm->d0i3_exit_waitq);
1168 mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT;
1170 ieee80211_wake_queues(mvm->hw);
1172 spin_unlock_bh(&mvm->d0i3_tx_lock);
1175 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
1177 struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
1178 struct iwl_host_cmd get_status_cmd = {
1179 .id = WOWLAN_GET_STATUSES,
1180 .flags = CMD_HIGH_PRIO | CMD_WANT_SKB,
1182 struct iwl_wowlan_status *status;
1184 u32 disconnection_reasons, wakeup_reasons;
1185 __le16 *qos_seq = NULL;
1187 mutex_lock(&mvm->mutex);
1188 ret = iwl_mvm_send_cmd(mvm, &get_status_cmd);
1192 if (!get_status_cmd.resp_pkt)
1195 status = (void *)get_status_cmd.resp_pkt->data;
1196 wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
1197 qos_seq = status->qos_seq_ctr;
1199 IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
1201 disconnection_reasons =
1202 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |
1203 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH;
1204 if (wakeup_reasons & disconnection_reasons)
1205 ieee80211_iterate_active_interfaces(
1206 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
1207 iwl_mvm_d0i3_disconnect_iter, mvm);
1209 iwl_free_resp(&get_status_cmd);
1211 iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
1212 iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
1213 mutex_unlock(&mvm->mutex);
1216 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
1218 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
1222 IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
1224 mutex_lock(&mvm->d0i3_suspend_mutex);
1225 if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
1226 IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
1227 __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
1228 mutex_unlock(&mvm->d0i3_suspend_mutex);
1231 mutex_unlock(&mvm->d0i3_suspend_mutex);
1233 ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
1237 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1238 IEEE80211_IFACE_ITER_NORMAL,
1239 iwl_mvm_exit_d0i3_iterator,
1242 schedule_work(&mvm->d0i3_exit_work);
1246 static int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
1248 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1250 iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
1251 return _iwl_mvm_exit_d0i3(mvm);
1254 static void iwl_mvm_napi_add(struct iwl_op_mode *op_mode,
1255 struct napi_struct *napi,
1256 struct net_device *napi_dev,
1257 int (*poll)(struct napi_struct *, int),
1260 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1262 ieee80211_napi_add(mvm->hw, napi, napi_dev, poll, weight);
1265 static const struct iwl_op_mode_ops iwl_mvm_ops = {
1266 .start = iwl_op_mode_mvm_start,
1267 .stop = iwl_op_mode_mvm_stop,
1268 .rx = iwl_mvm_rx_dispatch,
1269 .queue_full = iwl_mvm_stop_sw_queue,
1270 .queue_not_full = iwl_mvm_wake_sw_queue,
1271 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state,
1272 .free_skb = iwl_mvm_free_skb,
1273 .nic_error = iwl_mvm_nic_error,
1274 .cmd_queue_full = iwl_mvm_cmd_queue_full,
1275 .nic_config = iwl_mvm_nic_config,
1276 .enter_d0i3 = iwl_mvm_enter_d0i3,
1277 .exit_d0i3 = iwl_mvm_exit_d0i3,
1278 .napi_add = iwl_mvm_napi_add,