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 * TODO: Bits 7-8 of CSR in 8000 HW family set the ADC sampling, and
171 * shouldn't be set to any non-zero value. The same is supposed to be
172 * true of the other HW, but unsetting them (such as the 7260) causes
173 * automatic tests to fail on seemingly unrelated errors. Need to
174 * further investigate this, but for now we'll separate cases.
176 if (mvm
->trans
->cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
177 reg_val
|= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
;
179 iwl_trans_set_bits_mask(mvm
->trans
, CSR_HW_IF_CONFIG_REG
,
180 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH
|
181 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP
|
182 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE
|
183 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP
|
184 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH
|
185 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
186 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
,
189 IWL_DEBUG_INFO(mvm
, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type
,
190 radio_cfg_step
, radio_cfg_dash
);
193 * W/A : NIC is stuck in a reset state after Early PCIe power off
194 * (PCIe power is lost before PERST# is asserted), causing ME FW
195 * to lose ownership and not being able to obtain it back.
197 if (mvm
->trans
->cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
198 iwl_set_bits_mask_prph(mvm
->trans
, APMG_PS_CTRL_REG
,
199 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
,
200 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
);
203 struct iwl_rx_handlers
{
206 int (*fn
)(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
207 struct iwl_device_cmd
*cmd
);
210 #define RX_HANDLER(_cmd_id, _fn, _async) \
211 { .cmd_id = _cmd_id , .fn = _fn , .async = _async }
214 * Handlers for fw notifications
215 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
216 * This list should be in order of frequency for performance purposes.
218 * The handler can be SYNC - this means that it will be called in the Rx path
219 * which can't acquire mvm->mutex. If the handler needs to hold mvm->mutex (and
220 * only in this case!), it should be set as ASYNC. In that case, it will be
221 * called from a worker with mvm->mutex held.
223 static const struct iwl_rx_handlers iwl_mvm_rx_handlers
[] = {
224 RX_HANDLER(REPLY_RX_MPDU_CMD
, iwl_mvm_rx_rx_mpdu
, false),
225 RX_HANDLER(REPLY_RX_PHY_CMD
, iwl_mvm_rx_rx_phy_cmd
, false),
226 RX_HANDLER(TX_CMD
, iwl_mvm_rx_tx_cmd
, false),
227 RX_HANDLER(BA_NOTIF
, iwl_mvm_rx_ba_notif
, false),
229 RX_HANDLER(BT_PROFILE_NOTIFICATION
, iwl_mvm_rx_bt_coex_notif
, true),
230 RX_HANDLER(BEACON_NOTIFICATION
, iwl_mvm_rx_beacon_notif
, true),
231 RX_HANDLER(STATISTICS_NOTIFICATION
, iwl_mvm_rx_statistics
, true),
232 RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION
,
233 iwl_mvm_rx_ant_coupling_notif
, true),
235 RX_HANDLER(TIME_EVENT_NOTIFICATION
, iwl_mvm_rx_time_event_notif
, false),
237 RX_HANDLER(EOSP_NOTIFICATION
, iwl_mvm_rx_eosp_notif
, false),
239 RX_HANDLER(SCAN_REQUEST_CMD
, iwl_mvm_rx_scan_response
, false),
240 RX_HANDLER(SCAN_COMPLETE_NOTIFICATION
, iwl_mvm_rx_scan_complete
, true),
241 RX_HANDLER(SCAN_OFFLOAD_COMPLETE
,
242 iwl_mvm_rx_scan_offload_complete_notif
, true),
243 RX_HANDLER(MATCH_FOUND_NOTIFICATION
, iwl_mvm_rx_scan_offload_results
,
246 RX_HANDLER(RADIO_VERSION_NOTIFICATION
, iwl_mvm_rx_radio_ver
, false),
247 RX_HANDLER(CARD_STATE_NOTIFICATION
, iwl_mvm_rx_card_state_notif
, false),
249 RX_HANDLER(MISSED_BEACONS_NOTIFICATION
, iwl_mvm_rx_missed_beacons_notif
,
252 RX_HANDLER(REPLY_ERROR
, iwl_mvm_rx_fw_error
, false),
253 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION
,
254 iwl_mvm_power_uapsd_misbehaving_ap_notif
, false),
257 #define CMD(x) [x] = #x
259 static const char *const iwl_mvm_cmd_strings
[REPLY_MAX
] = {
262 CMD(INIT_COMPLETE_NOTIF
),
263 CMD(PHY_CONTEXT_CMD
),
267 CMD(MAC_CONTEXT_CMD
),
269 CMD(TIME_EVENT_NOTIFICATION
),
270 CMD(BINDING_CONTEXT_CMD
),
272 CMD(NON_QOS_TX_COUNTER_CMD
),
273 CMD(RADIO_VERSION_NOTIFICATION
),
274 CMD(SCAN_REQUEST_CMD
),
276 CMD(SCAN_START_NOTIFICATION
),
277 CMD(SCAN_RESULTS_NOTIFICATION
),
278 CMD(SCAN_COMPLETE_NOTIFICATION
),
280 CMD(PHY_CONFIGURATION_CMD
),
281 CMD(CALIB_RES_NOTIF_PHY_DB
),
282 CMD(SET_CALIB_DEFAULT_CMD
),
283 CMD(CALIBRATION_COMPLETE_NOTIFICATION
),
288 CMD(SCAN_OFFLOAD_CONFIG_CMD
),
289 CMD(MATCH_FOUND_NOTIFICATION
),
290 CMD(SCAN_OFFLOAD_REQUEST_CMD
),
291 CMD(SCAN_OFFLOAD_ABORT_CMD
),
293 CMD(SCAN_OFFLOAD_COMPLETE
),
294 CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD
),
295 CMD(SCAN_ITERATION_COMPLETE
),
296 CMD(POWER_TABLE_CMD
),
298 CMD(REPLY_RX_PHY_CMD
),
299 CMD(REPLY_RX_MPDU_CMD
),
300 CMD(BEACON_NOTIFICATION
),
301 CMD(BEACON_TEMPLATE_CMD
),
302 CMD(STATISTICS_NOTIFICATION
),
303 CMD(EOSP_NOTIFICATION
),
304 CMD(REDUCE_TX_POWER_CMD
),
305 CMD(TX_ANT_CONFIGURATION_CMD
),
308 CMD(PROT_OFFLOAD_CONFIG_CMD
),
309 CMD(OFFLOADS_QUERY_CMD
),
310 CMD(REMOTE_WAKE_CONFIG_CMD
),
311 CMD(WOWLAN_PATTERNS
),
312 CMD(WOWLAN_CONFIGURATION
),
313 CMD(WOWLAN_TSC_RSC_PARAM
),
314 CMD(WOWLAN_TKIP_PARAM
),
315 CMD(WOWLAN_KEK_KCK_MATERIAL
),
316 CMD(WOWLAN_GET_STATUSES
),
317 CMD(WOWLAN_TX_POWER_PER_DB
),
318 CMD(NET_DETECT_CONFIG_CMD
),
319 CMD(NET_DETECT_PROFILES_QUERY_CMD
),
320 CMD(NET_DETECT_PROFILES_CMD
),
321 CMD(NET_DETECT_HOTSPOTS_CMD
),
322 CMD(NET_DETECT_HOTSPOTS_QUERY_CMD
),
323 CMD(CARD_STATE_NOTIFICATION
),
324 CMD(MISSED_BEACONS_NOTIFICATION
),
325 CMD(BT_COEX_PRIO_TABLE
),
326 CMD(BT_COEX_PROT_ENV
),
327 CMD(BT_PROFILE_NOTIFICATION
),
329 CMD(MCAST_FILTER_CMD
),
330 CMD(BCAST_FILTER_CMD
),
331 CMD(REPLY_SF_CFG_CMD
),
332 CMD(REPLY_BEACON_FILTERING_CMD
),
333 CMD(REPLY_THERMAL_MNG_BACKOFF
),
334 CMD(MAC_PM_POWER_TABLE
),
336 CMD(BT_COEX_UPDATE_SW_BOOST
),
337 CMD(BT_COEX_UPDATE_CORUN_LUT
),
338 CMD(BT_COEX_UPDATE_REDUCED_TXP
),
339 CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION
),
340 CMD(ANTENNA_COUPLING_NOTIFICATION
),
344 /* this forward declaration can avoid to export the function */
345 static void iwl_mvm_async_handlers_wk(struct work_struct
*wk
);
346 static void iwl_mvm_d0i3_exit_work(struct work_struct
*wk
);
348 static u32
calc_min_backoff(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
)
350 const struct iwl_pwr_tx_backoff
*pwr_tx_backoff
= cfg
->pwr_tx_backoffs
;
355 while (pwr_tx_backoff
->pwr
) {
356 if (trans
->dflt_pwr_limit
>= pwr_tx_backoff
->pwr
)
357 return pwr_tx_backoff
->backoff
;
365 static struct iwl_op_mode
*
366 iwl_op_mode_mvm_start(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
,
367 const struct iwl_fw
*fw
, struct dentry
*dbgfs_dir
)
369 struct ieee80211_hw
*hw
;
370 struct iwl_op_mode
*op_mode
;
372 struct iwl_trans_config trans_cfg
= {};
373 static const u8 no_reclaim_cmds
[] = {
380 * We use IWL_MVM_STATION_COUNT to check the validity of the station
381 * index all over the driver - check that its value corresponds to the
384 BUILD_BUG_ON(ARRAY_SIZE(mvm
->fw_id_to_mac_id
) != IWL_MVM_STATION_COUNT
);
386 /********************************
387 * 1. Allocating and configuring HW data
388 ********************************/
389 hw
= ieee80211_alloc_hw(sizeof(struct iwl_op_mode
) +
390 sizeof(struct iwl_mvm
),
395 if (cfg
->max_rx_agg_size
)
396 hw
->max_rx_aggregation_subframes
= cfg
->max_rx_agg_size
;
399 op_mode
->ops
= &iwl_mvm_ops
;
401 mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
402 mvm
->dev
= trans
->dev
;
408 mvm
->restart_fw
= iwlwifi_mod_params
.restart_fw
? -1 : 0;
411 mvm
->first_agg_queue
= 16;
412 mvm
->last_agg_queue
= mvm
->cfg
->base_params
->num_of_queues
- 1;
413 if (mvm
->cfg
->base_params
->num_of_queues
== 16) {
415 mvm
->first_agg_queue
= 12;
417 mvm
->sf_state
= SF_UNINIT
;
419 mutex_init(&mvm
->mutex
);
420 mutex_init(&mvm
->d0i3_suspend_mutex
);
421 spin_lock_init(&mvm
->async_handlers_lock
);
422 INIT_LIST_HEAD(&mvm
->time_event_list
);
423 INIT_LIST_HEAD(&mvm
->aux_roc_te_list
);
424 INIT_LIST_HEAD(&mvm
->async_handlers_list
);
425 spin_lock_init(&mvm
->time_event_lock
);
427 INIT_WORK(&mvm
->async_handlers_wk
, iwl_mvm_async_handlers_wk
);
428 INIT_WORK(&mvm
->roc_done_wk
, iwl_mvm_roc_done_wk
);
429 INIT_WORK(&mvm
->sta_drained_wk
, iwl_mvm_sta_drained_wk
);
430 INIT_WORK(&mvm
->d0i3_exit_work
, iwl_mvm_d0i3_exit_work
);
432 spin_lock_init(&mvm
->d0i3_tx_lock
);
433 spin_lock_init(&mvm
->refs_lock
);
434 skb_queue_head_init(&mvm
->d0i3_tx
);
435 init_waitqueue_head(&mvm
->d0i3_exit_waitq
);
437 SET_IEEE80211_DEV(mvm
->hw
, mvm
->trans
->dev
);
440 * Populate the state variables that the transport layer needs
443 trans_cfg
.op_mode
= op_mode
;
444 trans_cfg
.no_reclaim_cmds
= no_reclaim_cmds
;
445 trans_cfg
.n_no_reclaim_cmds
= ARRAY_SIZE(no_reclaim_cmds
);
446 trans_cfg
.rx_buf_size_8k
= iwlwifi_mod_params
.amsdu_size_8K
;
448 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_DW_BC_TABLE
)
449 trans_cfg
.bc_table_dword
= true;
451 if (!iwlwifi_mod_params
.wd_disable
)
452 trans_cfg
.queue_watchdog_timeout
= cfg
->base_params
->wd_timeout
;
454 trans_cfg
.queue_watchdog_timeout
= IWL_WATCHDOG_DISABLED
;
456 trans_cfg
.command_names
= iwl_mvm_cmd_strings
;
458 trans_cfg
.cmd_queue
= IWL_MVM_CMD_QUEUE
;
459 trans_cfg
.cmd_fifo
= IWL_MVM_CMD_FIFO
;
461 snprintf(mvm
->hw
->wiphy
->fw_version
,
462 sizeof(mvm
->hw
->wiphy
->fw_version
),
463 "%s", fw
->fw_version
);
465 /* Configure transport layer */
466 iwl_trans_configure(mvm
->trans
, &trans_cfg
);
468 trans
->rx_mpdu_cmd
= REPLY_RX_MPDU_CMD
;
469 trans
->rx_mpdu_cmd_hdr_size
= sizeof(struct iwl_rx_mpdu_res_start
);
471 /* set up notification wait support */
472 iwl_notification_wait_init(&mvm
->notif_wait
);
475 mvm
->phy_db
= iwl_phy_db_init(trans
);
477 IWL_ERR(mvm
, "Cannot init phy_db\n");
481 IWL_INFO(mvm
, "Detected %s, REV=0x%X\n",
482 mvm
->cfg
->name
, mvm
->trans
->hw_rev
);
484 min_backoff
= calc_min_backoff(trans
, cfg
);
485 iwl_mvm_tt_initialize(mvm
, min_backoff
);
486 /* set the nvm_file_name according to priority */
487 if (iwlwifi_mod_params
.nvm_file
)
488 mvm
->nvm_file_name
= iwlwifi_mod_params
.nvm_file
;
490 mvm
->nvm_file_name
= mvm
->cfg
->default_nvm_file
;
492 if (WARN(cfg
->no_power_up_nic_in_init
&& !mvm
->nvm_file_name
,
493 "not allowing power-up and not having nvm_file\n"))
497 * Even if nvm exists in the nvm_file driver should read agin the nvm
498 * from the nic because there might be entries that exist in the OTP
499 * and not in the file.
500 * for nics with no_power_up_nic_in_init: rely completley on nvm_file
502 if (cfg
->no_power_up_nic_in_init
&& mvm
->nvm_file_name
) {
503 err
= iwl_nvm_init(mvm
, false);
507 err
= iwl_trans_start_hw(mvm
->trans
);
511 mutex_lock(&mvm
->mutex
);
512 err
= iwl_run_init_mvm_ucode(mvm
, true);
513 iwl_trans_stop_device(trans
);
514 mutex_unlock(&mvm
->mutex
);
515 /* returns 0 if successful, 1 if success but in rfkill */
516 if (err
< 0 && !iwlmvm_mod_params
.init_dbg
) {
517 IWL_ERR(mvm
, "Failed to run INIT ucode: %d\n", err
);
522 if (mvm
->fw
->ucode_capa
.api
[0] & IWL_UCODE_TLV_API_LMAC_SCAN
)
523 scan_size
= sizeof(struct iwl_scan_req_unified_lmac
) +
524 sizeof(struct iwl_scan_channel_cfg_lmac
) *
525 mvm
->fw
->ucode_capa
.n_scan_channels
+
526 sizeof(struct iwl_scan_probe_req
);
528 scan_size
= sizeof(struct iwl_scan_cmd
) +
529 mvm
->fw
->ucode_capa
.max_probe_length
+
530 mvm
->fw
->ucode_capa
.n_scan_channels
*
531 sizeof(struct iwl_scan_channel
);
533 mvm
->scan_cmd
= kmalloc(scan_size
, GFP_KERNEL
);
537 err
= iwl_mvm_mac_setup_register(mvm
);
541 err
= iwl_mvm_dbgfs_register(mvm
, dbgfs_dir
);
545 memset(&mvm
->rx_stats
, 0, sizeof(struct mvm_statistics_rx
));
547 /* rpm starts with a taken ref. only set the appropriate bit here. */
548 mvm
->refs
[IWL_MVM_REF_UCODE_DOWN
] = 1;
553 ieee80211_unregister_hw(mvm
->hw
);
554 iwl_mvm_leds_exit(mvm
);
556 iwl_phy_db_free(mvm
->phy_db
);
557 kfree(mvm
->scan_cmd
);
558 if (!cfg
->no_power_up_nic_in_init
|| !mvm
->nvm_file_name
)
559 iwl_trans_op_mode_leave(trans
);
560 ieee80211_free_hw(mvm
->hw
);
564 static void iwl_op_mode_mvm_stop(struct iwl_op_mode
*op_mode
)
566 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
569 iwl_mvm_leds_exit(mvm
);
571 iwl_mvm_tt_exit(mvm
);
573 ieee80211_unregister_hw(mvm
->hw
);
575 kfree(mvm
->scan_cmd
);
576 if (mvm
->fw_error_dump
) {
577 vfree(mvm
->fw_error_dump
->op_mode_ptr
);
578 vfree(mvm
->fw_error_dump
->trans_ptr
);
579 kfree(mvm
->fw_error_dump
);
581 kfree(mvm
->mcast_filter_cmd
);
582 mvm
->mcast_filter_cmd
= NULL
;
584 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
585 kfree(mvm
->d3_resume_sram
);
588 iwl_trans_op_mode_leave(mvm
->trans
);
590 iwl_phy_db_free(mvm
->phy_db
);
593 iwl_free_nvm_data(mvm
->nvm_data
);
594 for (i
= 0; i
< NVM_MAX_NUM_SECTIONS
; i
++)
595 kfree(mvm
->nvm_sections
[i
].data
);
597 ieee80211_free_hw(mvm
->hw
);
600 struct iwl_async_handler_entry
{
601 struct list_head list
;
602 struct iwl_rx_cmd_buffer rxb
;
603 int (*fn
)(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
,
604 struct iwl_device_cmd
*cmd
);
607 void iwl_mvm_async_handlers_purge(struct iwl_mvm
*mvm
)
609 struct iwl_async_handler_entry
*entry
, *tmp
;
611 spin_lock_bh(&mvm
->async_handlers_lock
);
612 list_for_each_entry_safe(entry
, tmp
, &mvm
->async_handlers_list
, list
) {
613 iwl_free_rxb(&entry
->rxb
);
614 list_del(&entry
->list
);
617 spin_unlock_bh(&mvm
->async_handlers_lock
);
620 static void iwl_mvm_async_handlers_wk(struct work_struct
*wk
)
622 struct iwl_mvm
*mvm
=
623 container_of(wk
, struct iwl_mvm
, async_handlers_wk
);
624 struct iwl_async_handler_entry
*entry
, *tmp
;
625 struct list_head local_list
;
627 INIT_LIST_HEAD(&local_list
);
629 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
630 mutex_lock(&mvm
->mutex
);
633 * Sync with Rx path with a lock. Remove all the entries from this list,
634 * add them to a local one (lock free), and then handle them.
636 spin_lock_bh(&mvm
->async_handlers_lock
);
637 list_splice_init(&mvm
->async_handlers_list
, &local_list
);
638 spin_unlock_bh(&mvm
->async_handlers_lock
);
640 list_for_each_entry_safe(entry
, tmp
, &local_list
, list
) {
641 if (entry
->fn(mvm
, &entry
->rxb
, NULL
))
643 "returned value from ASYNC handlers are ignored\n");
644 iwl_free_rxb(&entry
->rxb
);
645 list_del(&entry
->list
);
648 mutex_unlock(&mvm
->mutex
);
651 static int iwl_mvm_rx_dispatch(struct iwl_op_mode
*op_mode
,
652 struct iwl_rx_cmd_buffer
*rxb
,
653 struct iwl_device_cmd
*cmd
)
655 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
656 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
660 * Do the notification wait before RX handlers so
661 * even if the RX handler consumes the RXB we have
662 * access to it in the notification wait entry.
664 iwl_notification_wait_notify(&mvm
->notif_wait
, pkt
);
666 for (i
= 0; i
< ARRAY_SIZE(iwl_mvm_rx_handlers
); i
++) {
667 const struct iwl_rx_handlers
*rx_h
= &iwl_mvm_rx_handlers
[i
];
668 struct iwl_async_handler_entry
*entry
;
670 if (rx_h
->cmd_id
!= pkt
->hdr
.cmd
)
674 return rx_h
->fn(mvm
, rxb
, cmd
);
676 entry
= kzalloc(sizeof(*entry
), GFP_ATOMIC
);
677 /* we can't do much... */
681 entry
->rxb
._page
= rxb_steal_page(rxb
);
682 entry
->rxb
._offset
= rxb
->_offset
;
683 entry
->rxb
._rx_page_order
= rxb
->_rx_page_order
;
684 entry
->fn
= rx_h
->fn
;
685 spin_lock(&mvm
->async_handlers_lock
);
686 list_add_tail(&entry
->list
, &mvm
->async_handlers_list
);
687 spin_unlock(&mvm
->async_handlers_lock
);
688 schedule_work(&mvm
->async_handlers_wk
);
695 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode
*op_mode
, int queue
)
697 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
698 int mq
= mvm
->queue_to_mac80211
[queue
];
700 if (WARN_ON_ONCE(mq
== IWL_INVALID_MAC80211_QUEUE
))
703 if (atomic_inc_return(&mvm
->queue_stop_count
[mq
]) > 1) {
704 IWL_DEBUG_TX_QUEUES(mvm
,
705 "queue %d (mac80211 %d) already stopped\n",
710 set_bit(mq
, &mvm
->transport_queue_stop
);
711 ieee80211_stop_queue(mvm
->hw
, mq
);
714 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode
*op_mode
, int queue
)
716 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
717 int mq
= mvm
->queue_to_mac80211
[queue
];
719 if (WARN_ON_ONCE(mq
== IWL_INVALID_MAC80211_QUEUE
))
722 if (atomic_dec_return(&mvm
->queue_stop_count
[mq
]) > 0) {
723 IWL_DEBUG_TX_QUEUES(mvm
,
724 "queue %d (mac80211 %d) already awake\n",
729 clear_bit(mq
, &mvm
->transport_queue_stop
);
731 ieee80211_wake_queue(mvm
->hw
, mq
);
734 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm
*mvm
, bool state
)
737 set_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
739 clear_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
741 wiphy_rfkill_set_hw_state(mvm
->hw
->wiphy
, iwl_mvm_is_radio_killed(mvm
));
744 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode
*op_mode
, bool state
)
746 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
749 set_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
);
751 clear_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
);
753 wiphy_rfkill_set_hw_state(mvm
->hw
->wiphy
, iwl_mvm_is_radio_killed(mvm
));
755 return state
&& mvm
->cur_ucode
!= IWL_UCODE_INIT
;
758 static void iwl_mvm_free_skb(struct iwl_op_mode
*op_mode
, struct sk_buff
*skb
)
760 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
761 struct ieee80211_tx_info
*info
;
763 info
= IEEE80211_SKB_CB(skb
);
764 iwl_trans_free_tx_cmd(mvm
->trans
, info
->driver_data
[1]);
765 ieee80211_free_txskb(mvm
->hw
, skb
);
768 struct iwl_mvm_reprobe
{
770 struct work_struct work
;
773 static void iwl_mvm_reprobe_wk(struct work_struct
*wk
)
775 struct iwl_mvm_reprobe
*reprobe
;
777 reprobe
= container_of(wk
, struct iwl_mvm_reprobe
, work
);
778 if (device_reprobe(reprobe
->dev
))
779 dev_err(reprobe
->dev
, "reprobe failed!\n");
781 module_put(THIS_MODULE
);
784 void iwl_mvm_nic_restart(struct iwl_mvm
*mvm
, bool fw_error
)
786 iwl_abort_notification_waits(&mvm
->notif_wait
);
789 * This is a bit racy, but worst case we tell mac80211 about
790 * a stopped/aborted scan when that was already done which
791 * is not a problem. It is necessary to abort any os scan
792 * here because mac80211 requires having the scan cleared
794 * We'll reset the scan_status to NONE in restart cleanup in
795 * the next start() call from mac80211. If restart isn't called
796 * (no fw restart) scan status will stay busy.
798 switch (mvm
->scan_status
) {
799 case IWL_MVM_SCAN_NONE
:
801 case IWL_MVM_SCAN_OS
:
802 ieee80211_scan_completed(mvm
->hw
, true);
804 case IWL_MVM_SCAN_SCHED
:
805 /* Sched scan will be restarted by mac80211 in restart_hw. */
806 if (!mvm
->restart_fw
)
807 ieee80211_sched_scan_stopped(mvm
->hw
);
812 * If we're restarting already, don't cycle restarts.
813 * If INIT fw asserted, it will likely fail again.
814 * If WoWLAN fw asserted, don't restart either, mac80211
815 * can't recover this since we're already half suspended.
817 if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
818 struct iwl_mvm_reprobe
*reprobe
;
821 "Firmware error during reconfiguration - reprobe!\n");
824 * get a module reference to avoid doing this while unloading
825 * anyway and to avoid scheduling a work with code that's
828 if (!try_module_get(THIS_MODULE
)) {
829 IWL_ERR(mvm
, "Module is being unloaded - abort\n");
833 reprobe
= kzalloc(sizeof(*reprobe
), GFP_ATOMIC
);
835 module_put(THIS_MODULE
);
838 reprobe
->dev
= mvm
->trans
->dev
;
839 INIT_WORK(&reprobe
->work
, iwl_mvm_reprobe_wk
);
840 schedule_work(&reprobe
->work
);
841 } else if (mvm
->cur_ucode
== IWL_UCODE_REGULAR
&&
842 (!fw_error
|| mvm
->restart_fw
)) {
843 /* don't let the transport/FW power down */
844 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
846 if (fw_error
&& mvm
->restart_fw
> 0)
848 ieee80211_restart_hw(mvm
->hw
);
852 static void iwl_mvm_nic_error(struct iwl_op_mode
*op_mode
)
854 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
856 iwl_mvm_dump_nic_error_log(mvm
);
858 iwl_mvm_nic_restart(mvm
, true);
861 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode
*op_mode
)
863 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
866 iwl_mvm_nic_restart(mvm
, true);
869 struct iwl_d0i3_iter_data
{
874 bool disable_offloading
;
877 static bool iwl_mvm_disallow_offloading(struct iwl_mvm
*mvm
,
878 struct ieee80211_vif
*vif
,
879 struct iwl_d0i3_iter_data
*iter_data
)
881 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
882 struct ieee80211_sta
*ap_sta
;
883 struct iwl_mvm_sta
*mvmsta
;
884 u32 available_tids
= 0;
887 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_STATION
||
888 mvmvif
->ap_sta_id
== IWL_MVM_STATION_COUNT
))
891 ap_sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[mvmvif
->ap_sta_id
]);
892 if (IS_ERR_OR_NULL(ap_sta
))
895 mvmsta
= iwl_mvm_sta_from_mac80211(ap_sta
);
896 spin_lock_bh(&mvmsta
->lock
);
897 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
898 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
901 * in case of pending tx packets, don't use this tid
902 * for offloading in order to prevent reuse of the same
905 if (iwl_mvm_tid_queued(tid_data
))
908 if (tid_data
->state
!= IWL_AGG_OFF
)
911 available_tids
|= BIT(tid
);
913 spin_unlock_bh(&mvmsta
->lock
);
916 * disallow protocol offloading if we have no available tid
917 * (with no pending frames and no active aggregation,
918 * as we don't handle "holes" properly - the scheduler needs the
919 * frame's seq number and TFD index to match)
924 /* for simplicity, just use the first available tid */
925 iter_data
->offloading_tid
= ffs(available_tids
) - 1;
929 static void iwl_mvm_enter_d0i3_iterator(void *_data
, u8
*mac
,
930 struct ieee80211_vif
*vif
)
932 struct iwl_d0i3_iter_data
*data
= _data
;
933 struct iwl_mvm
*mvm
= data
->mvm
;
934 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
935 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
;
937 IWL_DEBUG_RPM(mvm
, "entering D0i3 - vif %pM\n", vif
->addr
);
938 if (vif
->type
!= NL80211_IFTYPE_STATION
||
939 !vif
->bss_conf
.assoc
)
943 * in case of pending tx packets or active aggregations,
944 * avoid offloading features in order to prevent reuse of
945 * the same qos seq counters.
947 if (iwl_mvm_disallow_offloading(mvm
, vif
, data
))
948 data
->disable_offloading
= true;
950 iwl_mvm_update_d0i3_power_mode(mvm
, vif
, true, flags
);
951 iwl_mvm_send_proto_offload(mvm
, vif
, data
->disable_offloading
, flags
);
954 * on init/association, mvm already configures POWER_TABLE_CMD
955 * and REPLY_MCAST_FILTER_CMD, so currently don't
956 * reconfigure them (we might want to use different
957 * params later on, though).
959 data
->ap_sta_id
= mvmvif
->ap_sta_id
;
963 static void iwl_mvm_set_wowlan_data(struct iwl_mvm
*mvm
,
964 struct iwl_wowlan_config_cmd_v3
*cmd
,
965 struct iwl_d0i3_iter_data
*iter_data
)
967 struct ieee80211_sta
*ap_sta
;
968 struct iwl_mvm_sta
*mvm_ap_sta
;
970 if (iter_data
->ap_sta_id
== IWL_MVM_STATION_COUNT
)
975 ap_sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[iter_data
->ap_sta_id
]);
976 if (IS_ERR_OR_NULL(ap_sta
))
979 mvm_ap_sta
= iwl_mvm_sta_from_mac80211(ap_sta
);
980 cmd
->common
.is_11n_connection
= ap_sta
->ht_cap
.ht_supported
;
981 cmd
->offloading_tid
= iter_data
->offloading_tid
;
984 * The d0i3 uCode takes care of the nonqos counters,
985 * so configure only the qos seq ones.
987 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta
, &cmd
->common
);
991 static int iwl_mvm_enter_d0i3(struct iwl_op_mode
*op_mode
)
993 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
994 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
;
996 struct iwl_d0i3_iter_data d0i3_iter_data
= {
999 struct iwl_wowlan_config_cmd_v3 wowlan_config_cmd
= {
1002 cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME
|
1003 IWL_WOWLAN_WAKEUP_BEACON_MISS
|
1004 IWL_WOWLAN_WAKEUP_LINK_CHANGE
|
1005 IWL_WOWLAN_WAKEUP_BCN_FILTERING
),
1008 struct iwl_d3_manager_config d3_cfg_cmd
= {
1009 .min_sleep_time
= cpu_to_le32(1000),
1012 IWL_DEBUG_RPM(mvm
, "MVM entering D0i3\n");
1014 /* make sure we have no running tx while configuring the qos */
1015 set_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1018 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
1019 IEEE80211_IFACE_ITER_NORMAL
,
1020 iwl_mvm_enter_d0i3_iterator
,
1022 if (d0i3_iter_data
.vif_count
== 1) {
1023 mvm
->d0i3_ap_sta_id
= d0i3_iter_data
.ap_sta_id
;
1024 mvm
->d0i3_offloading
= !d0i3_iter_data
.disable_offloading
;
1026 WARN_ON_ONCE(d0i3_iter_data
.vif_count
> 1);
1027 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
1028 mvm
->d0i3_offloading
= false;
1031 iwl_mvm_set_wowlan_data(mvm
, &wowlan_config_cmd
, &d0i3_iter_data
);
1032 ret
= iwl_mvm_send_cmd_pdu(mvm
, WOWLAN_CONFIGURATION
, flags
,
1033 sizeof(wowlan_config_cmd
),
1034 &wowlan_config_cmd
);
1038 return iwl_mvm_send_cmd_pdu(mvm
, D3_CONFIG_CMD
,
1039 flags
| CMD_MAKE_TRANS_IDLE
,
1040 sizeof(d3_cfg_cmd
), &d3_cfg_cmd
);
1043 static void iwl_mvm_exit_d0i3_iterator(void *_data
, u8
*mac
,
1044 struct ieee80211_vif
*vif
)
1046 struct iwl_mvm
*mvm
= _data
;
1047 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
;
1049 IWL_DEBUG_RPM(mvm
, "exiting D0i3 - vif %pM\n", vif
->addr
);
1050 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1051 !vif
->bss_conf
.assoc
)
1054 iwl_mvm_update_d0i3_power_mode(mvm
, vif
, false, flags
);
1057 static void iwl_mvm_d0i3_disconnect_iter(void *data
, u8
*mac
,
1058 struct ieee80211_vif
*vif
)
1060 struct iwl_mvm
*mvm
= data
;
1061 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1063 if (vif
->type
== NL80211_IFTYPE_STATION
&& vif
->bss_conf
.assoc
&&
1064 mvm
->d0i3_ap_sta_id
== mvmvif
->ap_sta_id
)
1065 ieee80211_connection_loss(vif
);
1068 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm
*mvm
, __le16
*qos_seq
)
1070 struct ieee80211_sta
*sta
= NULL
;
1071 struct iwl_mvm_sta
*mvm_ap_sta
;
1073 bool wake_queues
= false;
1075 lockdep_assert_held(&mvm
->mutex
);
1077 spin_lock_bh(&mvm
->d0i3_tx_lock
);
1079 if (mvm
->d0i3_ap_sta_id
== IWL_MVM_STATION_COUNT
)
1082 IWL_DEBUG_RPM(mvm
, "re-enqueue packets\n");
1084 /* get the sta in order to update seq numbers and re-enqueue skbs */
1085 sta
= rcu_dereference_protected(
1086 mvm
->fw_id_to_mac_id
[mvm
->d0i3_ap_sta_id
],
1087 lockdep_is_held(&mvm
->mutex
));
1089 if (IS_ERR_OR_NULL(sta
)) {
1094 if (mvm
->d0i3_offloading
&& qos_seq
) {
1095 /* update qos seq numbers if offloading was enabled */
1096 mvm_ap_sta
= (struct iwl_mvm_sta
*)sta
->drv_priv
;
1097 for (i
= 0; i
< IWL_MAX_TID_COUNT
; i
++) {
1098 u16 seq
= le16_to_cpu(qos_seq
[i
]);
1099 /* firmware stores last-used one, we store next one */
1101 mvm_ap_sta
->tid_data
[i
].seq_number
= seq
;
1105 /* re-enqueue (or drop) all packets */
1106 while (!skb_queue_empty(&mvm
->d0i3_tx
)) {
1107 struct sk_buff
*skb
= __skb_dequeue(&mvm
->d0i3_tx
);
1109 if (!sta
|| iwl_mvm_tx_skb(mvm
, skb
, sta
))
1110 ieee80211_free_txskb(mvm
->hw
, skb
);
1112 /* if the skb_queue is not empty, we need to wake queues */
1115 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1116 wake_up(&mvm
->d0i3_exit_waitq
);
1117 mvm
->d0i3_ap_sta_id
= IWL_MVM_STATION_COUNT
;
1119 ieee80211_wake_queues(mvm
->hw
);
1121 spin_unlock_bh(&mvm
->d0i3_tx_lock
);
1124 static void iwl_mvm_d0i3_exit_work(struct work_struct
*wk
)
1126 struct iwl_mvm
*mvm
= container_of(wk
, struct iwl_mvm
, d0i3_exit_work
);
1127 struct iwl_host_cmd get_status_cmd
= {
1128 .id
= WOWLAN_GET_STATUSES
,
1129 .flags
= CMD_HIGH_PRIO
| CMD_WANT_SKB
,
1131 struct iwl_wowlan_status
*status
;
1133 u32 disconnection_reasons
, wakeup_reasons
;
1134 __le16
*qos_seq
= NULL
;
1136 mutex_lock(&mvm
->mutex
);
1137 ret
= iwl_mvm_send_cmd(mvm
, &get_status_cmd
);
1141 if (!get_status_cmd
.resp_pkt
)
1144 status
= (void *)get_status_cmd
.resp_pkt
->data
;
1145 wakeup_reasons
= le32_to_cpu(status
->wakeup_reasons
);
1146 qos_seq
= status
->qos_seq_ctr
;
1148 IWL_DEBUG_RPM(mvm
, "wakeup reasons: 0x%x\n", wakeup_reasons
);
1150 disconnection_reasons
=
1151 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON
|
1152 IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH
;
1153 if (wakeup_reasons
& disconnection_reasons
)
1154 ieee80211_iterate_active_interfaces(
1155 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
1156 iwl_mvm_d0i3_disconnect_iter
, mvm
);
1158 iwl_free_resp(&get_status_cmd
);
1160 iwl_mvm_d0i3_enable_tx(mvm
, qos_seq
);
1161 iwl_mvm_unref(mvm
, IWL_MVM_REF_EXIT_WORK
);
1162 mutex_unlock(&mvm
->mutex
);
1165 int _iwl_mvm_exit_d0i3(struct iwl_mvm
*mvm
)
1167 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
|
1171 IWL_DEBUG_RPM(mvm
, "MVM exiting D0i3\n");
1173 mutex_lock(&mvm
->d0i3_suspend_mutex
);
1174 if (test_bit(D0I3_DEFER_WAKEUP
, &mvm
->d0i3_suspend_flags
)) {
1175 IWL_DEBUG_RPM(mvm
, "Deferring d0i3 exit until resume\n");
1176 __set_bit(D0I3_PENDING_WAKEUP
, &mvm
->d0i3_suspend_flags
);
1177 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1180 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1182 ret
= iwl_mvm_send_cmd_pdu(mvm
, D0I3_END_CMD
, flags
, 0, NULL
);
1186 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
1187 IEEE80211_IFACE_ITER_NORMAL
,
1188 iwl_mvm_exit_d0i3_iterator
,
1191 schedule_work(&mvm
->d0i3_exit_work
);
1195 static int iwl_mvm_exit_d0i3(struct iwl_op_mode
*op_mode
)
1197 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1199 iwl_mvm_ref(mvm
, IWL_MVM_REF_EXIT_WORK
);
1200 return _iwl_mvm_exit_d0i3(mvm
);
1203 static void iwl_mvm_napi_add(struct iwl_op_mode
*op_mode
,
1204 struct napi_struct
*napi
,
1205 struct net_device
*napi_dev
,
1206 int (*poll
)(struct napi_struct
*, int),
1209 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1211 ieee80211_napi_add(mvm
->hw
, napi
, napi_dev
, poll
, weight
);
1214 static const struct iwl_op_mode_ops iwl_mvm_ops
= {
1215 .start
= iwl_op_mode_mvm_start
,
1216 .stop
= iwl_op_mode_mvm_stop
,
1217 .rx
= iwl_mvm_rx_dispatch
,
1218 .queue_full
= iwl_mvm_stop_sw_queue
,
1219 .queue_not_full
= iwl_mvm_wake_sw_queue
,
1220 .hw_rf_kill
= iwl_mvm_set_hw_rfkill_state
,
1221 .free_skb
= iwl_mvm_free_skb
,
1222 .nic_error
= iwl_mvm_nic_error
,
1223 .cmd_queue_full
= iwl_mvm_cmd_queue_full
,
1224 .nic_config
= iwl_mvm_nic_config
,
1225 .enter_d0i3
= iwl_mvm_enter_d0i3
,
1226 .exit_d0i3
= iwl_mvm_exit_d0i3
,
1227 .napi_add
= iwl_mvm_napi_add
,