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 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66 *****************************************************************************/
67 #include <linux/module.h>
68 #include <linux/vmalloc.h>
69 #include <net/mac80211.h>
71 #include "fw/notif-wait.h"
72 #include "iwl-trans.h"
73 #include "iwl-op-mode.h"
75 #include "iwl-debug.h"
77 #include "iwl-modparams.h"
79 #include "iwl-phy-db.h"
80 #include "iwl-eeprom-parse.h"
85 #include "fw-api-scan.h"
86 #include "time-event.h"
89 #include "fw-api-scan.h"
91 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
92 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
93 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
94 MODULE_LICENSE("GPL");
96 static const struct iwl_op_mode_ops iwl_mvm_ops
;
97 static const struct iwl_op_mode_ops iwl_mvm_ops_mq
;
99 struct iwl_mvm_mod_params iwlmvm_mod_params
= {
100 .power_scheme
= IWL_POWER_SCHEME_BPS
,
101 .tfd_q_hang_detect
= true
102 /* rest of fields are 0 by default */
105 module_param_named(init_dbg
, iwlmvm_mod_params
.init_dbg
, bool, S_IRUGO
);
106 MODULE_PARM_DESC(init_dbg
,
107 "set to true to debug an ASSERT in INIT fw (default: false");
108 module_param_named(power_scheme
, iwlmvm_mod_params
.power_scheme
, int, S_IRUGO
);
109 MODULE_PARM_DESC(power_scheme
,
110 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
111 module_param_named(tfd_q_hang_detect
, iwlmvm_mod_params
.tfd_q_hang_detect
,
113 MODULE_PARM_DESC(tfd_q_hang_detect
,
114 "TFD queues hang detection (default: true");
117 * module init and exit functions
119 static int __init
iwl_mvm_init(void)
123 ret
= iwl_mvm_rate_control_register();
125 pr_err("Unable to register rate control algorithm: %d\n", ret
);
129 ret
= iwl_opmode_register("iwlmvm", &iwl_mvm_ops
);
132 pr_err("Unable to register MVM op_mode: %d\n", ret
);
133 iwl_mvm_rate_control_unregister();
138 module_init(iwl_mvm_init
);
140 static void __exit
iwl_mvm_exit(void)
142 iwl_opmode_deregister("iwlmvm");
143 iwl_mvm_rate_control_unregister();
145 module_exit(iwl_mvm_exit
);
147 static void iwl_mvm_nic_config(struct iwl_op_mode
*op_mode
)
149 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
150 u8 radio_cfg_type
, radio_cfg_step
, radio_cfg_dash
;
152 u32 phy_config
= iwl_mvm_get_phy_config(mvm
);
154 radio_cfg_type
= (phy_config
& FW_PHY_CFG_RADIO_TYPE
) >>
155 FW_PHY_CFG_RADIO_TYPE_POS
;
156 radio_cfg_step
= (phy_config
& FW_PHY_CFG_RADIO_STEP
) >>
157 FW_PHY_CFG_RADIO_STEP_POS
;
158 radio_cfg_dash
= (phy_config
& FW_PHY_CFG_RADIO_DASH
) >>
159 FW_PHY_CFG_RADIO_DASH_POS
;
162 reg_val
|= CSR_HW_REV_STEP(mvm
->trans
->hw_rev
) <<
163 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP
;
164 reg_val
|= CSR_HW_REV_DASH(mvm
->trans
->hw_rev
) <<
165 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH
;
167 /* radio configuration */
168 reg_val
|= radio_cfg_type
<< CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE
;
169 reg_val
|= radio_cfg_step
<< CSR_HW_IF_CONFIG_REG_POS_PHY_STEP
;
170 reg_val
|= radio_cfg_dash
<< CSR_HW_IF_CONFIG_REG_POS_PHY_DASH
;
172 WARN_ON((radio_cfg_type
<< CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE
) &
173 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE
);
176 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
177 * sampling, and shouldn't be set to any non-zero value.
178 * The same is supposed to be true of the other HW, but unsetting
179 * them (such as the 7260) causes automatic tests to fail on seemingly
180 * unrelated errors. Need to further investigate this, but for now
181 * we'll separate cases.
183 if (mvm
->trans
->cfg
->device_family
< IWL_DEVICE_FAMILY_8000
)
184 reg_val
|= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
;
186 iwl_trans_set_bits_mask(mvm
->trans
, CSR_HW_IF_CONFIG_REG
,
187 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH
|
188 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP
|
189 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE
|
190 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP
|
191 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH
|
192 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
193 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
,
196 IWL_DEBUG_INFO(mvm
, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type
,
197 radio_cfg_step
, radio_cfg_dash
);
200 * W/A : NIC is stuck in a reset state after Early PCIe power off
201 * (PCIe power is lost before PERST# is asserted), causing ME FW
202 * to lose ownership and not being able to obtain it back.
204 if (!mvm
->trans
->cfg
->apmg_not_supported
)
205 iwl_set_bits_mask_prph(mvm
->trans
, APMG_PS_CTRL_REG
,
206 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
,
207 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
);
211 * enum iwl_rx_handler_context context for Rx handler
212 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
213 * which can't acquire mvm->mutex.
214 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
215 * (and only in this case!), it should be set as ASYNC. In that case,
216 * it will be called from a worker with mvm->mutex held.
217 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
218 * mutex itself, it will be called from a worker without mvm->mutex held.
220 enum iwl_rx_handler_context
{
222 RX_HANDLER_ASYNC_LOCKED
,
223 RX_HANDLER_ASYNC_UNLOCKED
,
227 * struct iwl_rx_handlers handler for FW notification
228 * @cmd_id: command id
229 * @context: see &iwl_rx_handler_context
230 * @fn: the function is called when notification is received
232 struct iwl_rx_handlers
{
234 enum iwl_rx_handler_context context
;
235 void (*fn
)(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
);
238 #define RX_HANDLER(_cmd_id, _fn, _context) \
239 { .cmd_id = _cmd_id, .fn = _fn, .context = _context }
240 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
241 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
244 * Handlers for fw notifications
245 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
246 * This list should be in order of frequency for performance purposes.
248 * The handler can be one from three contexts, see &iwl_rx_handler_context
250 static const struct iwl_rx_handlers iwl_mvm_rx_handlers
[] = {
251 RX_HANDLER(TX_CMD
, iwl_mvm_rx_tx_cmd
, RX_HANDLER_SYNC
),
252 RX_HANDLER(BA_NOTIF
, iwl_mvm_rx_ba_notif
, RX_HANDLER_SYNC
),
254 RX_HANDLER(BT_PROFILE_NOTIFICATION
, iwl_mvm_rx_bt_coex_notif
,
255 RX_HANDLER_ASYNC_LOCKED
),
256 RX_HANDLER(BEACON_NOTIFICATION
, iwl_mvm_rx_beacon_notif
,
257 RX_HANDLER_ASYNC_LOCKED
),
258 RX_HANDLER(STATISTICS_NOTIFICATION
, iwl_mvm_rx_statistics
,
259 RX_HANDLER_ASYNC_LOCKED
),
260 RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION
,
261 iwl_mvm_rx_ant_coupling_notif
, RX_HANDLER_ASYNC_LOCKED
),
263 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID
,
264 iwl_mvm_window_status_notif
, RX_HANDLER_SYNC
),
266 RX_HANDLER(TIME_EVENT_NOTIFICATION
, iwl_mvm_rx_time_event_notif
,
268 RX_HANDLER(MCC_CHUB_UPDATE_CMD
, iwl_mvm_rx_chub_update_mcc
,
269 RX_HANDLER_ASYNC_LOCKED
),
271 RX_HANDLER(EOSP_NOTIFICATION
, iwl_mvm_rx_eosp_notif
, RX_HANDLER_SYNC
),
273 RX_HANDLER(SCAN_ITERATION_COMPLETE
,
274 iwl_mvm_rx_lmac_scan_iter_complete_notif
, RX_HANDLER_SYNC
),
275 RX_HANDLER(SCAN_OFFLOAD_COMPLETE
,
276 iwl_mvm_rx_lmac_scan_complete_notif
,
277 RX_HANDLER_ASYNC_LOCKED
),
278 RX_HANDLER(MATCH_FOUND_NOTIFICATION
, iwl_mvm_rx_scan_match_found
,
280 RX_HANDLER(SCAN_COMPLETE_UMAC
, iwl_mvm_rx_umac_scan_complete_notif
,
281 RX_HANDLER_ASYNC_LOCKED
),
282 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC
,
283 iwl_mvm_rx_umac_scan_iter_complete_notif
, RX_HANDLER_SYNC
),
285 RX_HANDLER(CARD_STATE_NOTIFICATION
, iwl_mvm_rx_card_state_notif
,
288 RX_HANDLER(MISSED_BEACONS_NOTIFICATION
, iwl_mvm_rx_missed_beacons_notif
,
291 RX_HANDLER(REPLY_ERROR
, iwl_mvm_rx_fw_error
, RX_HANDLER_SYNC
),
292 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION
,
293 iwl_mvm_power_uapsd_misbehaving_ap_notif
, RX_HANDLER_SYNC
),
294 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION
, iwl_mvm_temp_notif
,
295 RX_HANDLER_ASYNC_LOCKED
),
296 RX_HANDLER_GRP(PHY_OPS_GROUP
, DTS_MEASUREMENT_NOTIF_WIDE
,
297 iwl_mvm_temp_notif
, RX_HANDLER_ASYNC_UNLOCKED
),
298 RX_HANDLER_GRP(PHY_OPS_GROUP
, CT_KILL_NOTIFICATION
,
299 iwl_mvm_ct_kill_notif
, RX_HANDLER_SYNC
),
301 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION
, iwl_mvm_rx_tdls_notif
,
302 RX_HANDLER_ASYNC_LOCKED
),
303 RX_HANDLER(MFUART_LOAD_NOTIFICATION
, iwl_mvm_rx_mfuart_notif
,
305 RX_HANDLER(TOF_NOTIFICATION
, iwl_mvm_tof_resp_handler
,
306 RX_HANDLER_ASYNC_LOCKED
),
307 RX_HANDLER_GRP(DEBUG_GROUP
, MFU_ASSERT_DUMP_NTF
,
308 iwl_mvm_mfu_assert_dump_notif
, RX_HANDLER_SYNC
),
309 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP
, STORED_BEACON_NTF
,
310 iwl_mvm_rx_stored_beacon_notif
, RX_HANDLER_SYNC
),
311 RX_HANDLER_GRP(DATA_PATH_GROUP
, MU_GROUP_MGMT_NOTIF
,
312 iwl_mvm_mu_mimo_grp_notif
, RX_HANDLER_SYNC
),
313 RX_HANDLER_GRP(DATA_PATH_GROUP
, STA_PM_NOTIF
,
314 iwl_mvm_sta_pm_notif
, RX_HANDLER_SYNC
),
317 #undef RX_HANDLER_GRP
319 /* Please keep this array *SORTED* by hex value.
320 * Access is done through binary search
322 static const struct iwl_hcmd_names iwl_mvm_legacy_names
[] = {
323 HCMD_NAME(MVM_ALIVE
),
324 HCMD_NAME(REPLY_ERROR
),
326 HCMD_NAME(INIT_COMPLETE_NOTIF
),
327 HCMD_NAME(PHY_CONTEXT_CMD
),
329 HCMD_NAME(ANTENNA_COUPLING_NOTIFICATION
),
330 HCMD_NAME(SCAN_CFG_CMD
),
331 HCMD_NAME(SCAN_REQ_UMAC
),
332 HCMD_NAME(SCAN_ABORT_UMAC
),
333 HCMD_NAME(SCAN_COMPLETE_UMAC
),
335 HCMD_NAME(TOF_NOTIFICATION
),
336 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID
),
337 HCMD_NAME(ADD_STA_KEY
),
339 HCMD_NAME(REMOVE_STA
),
340 HCMD_NAME(FW_GET_ITEM_CMD
),
342 HCMD_NAME(SCD_QUEUE_CFG
),
343 HCMD_NAME(TXPATH_FLUSH
),
344 HCMD_NAME(MGMT_MCAST_KEY
),
346 HCMD_NAME(SHARED_MEM_CFG
),
347 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD
),
348 HCMD_NAME(MAC_CONTEXT_CMD
),
349 HCMD_NAME(TIME_EVENT_CMD
),
350 HCMD_NAME(TIME_EVENT_NOTIFICATION
),
351 HCMD_NAME(BINDING_CONTEXT_CMD
),
352 HCMD_NAME(TIME_QUOTA_CMD
),
353 HCMD_NAME(NON_QOS_TX_COUNTER_CMD
),
355 HCMD_NAME(FW_PAGING_BLOCK_CMD
),
356 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD
),
357 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD
),
358 HCMD_NAME(HOT_SPOT_CMD
),
359 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD
),
360 HCMD_NAME(BT_COEX_UPDATE_CORUN_LUT
),
361 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP
),
362 HCMD_NAME(BT_COEX_CI
),
363 HCMD_NAME(PHY_CONFIGURATION_CMD
),
364 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB
),
365 HCMD_NAME(PHY_DB_CMD
),
366 HCMD_NAME(SCAN_OFFLOAD_COMPLETE
),
367 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD
),
368 HCMD_NAME(POWER_TABLE_CMD
),
369 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION
),
370 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF
),
371 HCMD_NAME(DC2DC_CONFIG_CMD
),
372 HCMD_NAME(NVM_ACCESS_CMD
),
373 HCMD_NAME(BEACON_NOTIFICATION
),
374 HCMD_NAME(BEACON_TEMPLATE_CMD
),
375 HCMD_NAME(TX_ANT_CONFIGURATION_CMD
),
376 HCMD_NAME(BT_CONFIG
),
377 HCMD_NAME(STATISTICS_CMD
),
378 HCMD_NAME(STATISTICS_NOTIFICATION
),
379 HCMD_NAME(EOSP_NOTIFICATION
),
380 HCMD_NAME(REDUCE_TX_POWER_CMD
),
381 HCMD_NAME(CARD_STATE_NOTIFICATION
),
382 HCMD_NAME(MISSED_BEACONS_NOTIFICATION
),
383 HCMD_NAME(TDLS_CONFIG_CMD
),
384 HCMD_NAME(MAC_PM_POWER_TABLE
),
385 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION
),
386 HCMD_NAME(MFUART_LOAD_NOTIFICATION
),
387 HCMD_NAME(RSS_CONFIG_CMD
),
388 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC
),
389 HCMD_NAME(REPLY_RX_PHY_CMD
),
390 HCMD_NAME(REPLY_RX_MPDU_CMD
),
392 HCMD_NAME(MCC_UPDATE_CMD
),
393 HCMD_NAME(MCC_CHUB_UPDATE_CMD
),
394 HCMD_NAME(MARKER_CMD
),
395 HCMD_NAME(BT_PROFILE_NOTIFICATION
),
396 HCMD_NAME(BCAST_FILTER_CMD
),
397 HCMD_NAME(MCAST_FILTER_CMD
),
398 HCMD_NAME(REPLY_SF_CFG_CMD
),
399 HCMD_NAME(REPLY_BEACON_FILTERING_CMD
),
400 HCMD_NAME(D3_CONFIG_CMD
),
401 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD
),
402 HCMD_NAME(OFFLOADS_QUERY_CMD
),
403 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD
),
404 HCMD_NAME(MATCH_FOUND_NOTIFICATION
),
405 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION
),
406 HCMD_NAME(WOWLAN_PATTERNS
),
407 HCMD_NAME(WOWLAN_CONFIGURATION
),
408 HCMD_NAME(WOWLAN_TSC_RSC_PARAM
),
409 HCMD_NAME(WOWLAN_TKIP_PARAM
),
410 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL
),
411 HCMD_NAME(WOWLAN_GET_STATUSES
),
412 HCMD_NAME(SCAN_ITERATION_COMPLETE
),
413 HCMD_NAME(D0I3_END_CMD
),
414 HCMD_NAME(LTR_CONFIG
),
417 /* Please keep this array *SORTED* by hex value.
418 * Access is done through binary search
420 static const struct iwl_hcmd_names iwl_mvm_system_names
[] = {
421 HCMD_NAME(SHARED_MEM_CFG_CMD
),
422 HCMD_NAME(INIT_EXTENDED_CFG_CMD
),
425 /* Please keep this array *SORTED* by hex value.
426 * Access is done through binary search
428 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names
[] = {
429 HCMD_NAME(LINK_QUALITY_MEASUREMENT_CMD
),
430 HCMD_NAME(LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF
),
431 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF
),
434 /* Please keep this array *SORTED* by hex value.
435 * Access is done through binary search
437 static const struct iwl_hcmd_names iwl_mvm_phy_names
[] = {
438 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE
),
439 HCMD_NAME(CTDP_CONFIG_CMD
),
440 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD
),
441 HCMD_NAME(GEO_TX_POWER_LIMIT
),
442 HCMD_NAME(CT_KILL_NOTIFICATION
),
443 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE
),
446 /* Please keep this array *SORTED* by hex value.
447 * Access is done through binary search
449 static const struct iwl_hcmd_names iwl_mvm_data_path_names
[] = {
450 HCMD_NAME(DQA_ENABLE_CMD
),
451 HCMD_NAME(UPDATE_MU_GROUPS_CMD
),
452 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD
),
453 HCMD_NAME(STA_PM_NOTIF
),
454 HCMD_NAME(MU_GROUP_MGMT_NOTIF
),
455 HCMD_NAME(RX_QUEUES_NOTIFICATION
),
458 /* Please keep this array *SORTED* by hex value.
459 * Access is done through binary search
461 static const struct iwl_hcmd_names iwl_mvm_debug_names
[] = {
462 HCMD_NAME(MFU_ASSERT_DUMP_NTF
),
465 /* Please keep this array *SORTED* by hex value.
466 * Access is done through binary search
468 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names
[] = {
469 HCMD_NAME(STORED_BEACON_NTF
),
472 /* Please keep this array *SORTED* by hex value.
473 * Access is done through binary search
475 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names
[] = {
476 HCMD_NAME(NVM_ACCESS_COMPLETE
),
477 HCMD_NAME(NVM_GET_INFO
),
480 static const struct iwl_hcmd_arr iwl_mvm_groups
[] = {
481 [LEGACY_GROUP
] = HCMD_ARR(iwl_mvm_legacy_names
),
482 [LONG_GROUP
] = HCMD_ARR(iwl_mvm_legacy_names
),
483 [SYSTEM_GROUP
] = HCMD_ARR(iwl_mvm_system_names
),
484 [MAC_CONF_GROUP
] = HCMD_ARR(iwl_mvm_mac_conf_names
),
485 [PHY_OPS_GROUP
] = HCMD_ARR(iwl_mvm_phy_names
),
486 [DATA_PATH_GROUP
] = HCMD_ARR(iwl_mvm_data_path_names
),
487 [PROT_OFFLOAD_GROUP
] = HCMD_ARR(iwl_mvm_prot_offload_names
),
488 [REGULATORY_AND_NVM_GROUP
] =
489 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names
),
492 /* this forward declaration can avoid to export the function */
493 static void iwl_mvm_async_handlers_wk(struct work_struct
*wk
);
494 static void iwl_mvm_d0i3_exit_work(struct work_struct
*wk
);
496 static u32
calc_min_backoff(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
)
498 const struct iwl_pwr_tx_backoff
*pwr_tx_backoff
= cfg
->pwr_tx_backoffs
;
503 while (pwr_tx_backoff
->pwr
) {
504 if (trans
->dflt_pwr_limit
>= pwr_tx_backoff
->pwr
)
505 return pwr_tx_backoff
->backoff
;
513 static void iwl_mvm_fw_error_dump_wk(struct work_struct
*work
);
515 static void iwl_mvm_tx_unblock_dwork(struct work_struct
*work
)
517 struct iwl_mvm
*mvm
=
518 container_of(work
, struct iwl_mvm
, cs_tx_unblock_dwork
.work
);
519 struct ieee80211_vif
*tx_blocked_vif
;
520 struct iwl_mvm_vif
*mvmvif
;
522 mutex_lock(&mvm
->mutex
);
525 rcu_dereference_protected(mvm
->csa_tx_blocked_vif
,
526 lockdep_is_held(&mvm
->mutex
));
531 mvmvif
= iwl_mvm_vif_from_mac80211(tx_blocked_vif
);
532 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, false);
533 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
535 mutex_unlock(&mvm
->mutex
);
538 static struct iwl_op_mode
*
539 iwl_op_mode_mvm_start(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
,
540 const struct iwl_fw
*fw
, struct dentry
*dbgfs_dir
)
542 struct ieee80211_hw
*hw
;
543 struct iwl_op_mode
*op_mode
;
545 struct iwl_trans_config trans_cfg
= {};
546 static const u8 no_reclaim_cmds
[] = {
553 * We use IWL_MVM_STATION_COUNT to check the validity of the station
554 * index all over the driver - check that its value corresponds to the
557 BUILD_BUG_ON(ARRAY_SIZE(mvm
->fw_id_to_mac_id
) != IWL_MVM_STATION_COUNT
);
559 /********************************
560 * 1. Allocating and configuring HW data
561 ********************************/
562 hw
= ieee80211_alloc_hw(sizeof(struct iwl_op_mode
) +
563 sizeof(struct iwl_mvm
),
568 if (cfg
->max_rx_agg_size
)
569 hw
->max_rx_aggregation_subframes
= cfg
->max_rx_agg_size
;
571 if (cfg
->max_tx_agg_size
)
572 hw
->max_tx_aggregation_subframes
= cfg
->max_tx_agg_size
;
576 mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
577 mvm
->dev
= trans
->dev
;
583 mvm
->init_status
= 0;
585 if (iwl_mvm_has_new_rx_api(mvm
)) {
586 op_mode
->ops
= &iwl_mvm_ops_mq
;
587 trans
->rx_mpdu_cmd_hdr_size
= sizeof(struct iwl_rx_mpdu_desc
);
589 op_mode
->ops
= &iwl_mvm_ops
;
590 trans
->rx_mpdu_cmd_hdr_size
=
591 sizeof(struct iwl_rx_mpdu_res_start
);
593 if (WARN_ON(trans
->num_rx_queues
> 1))
597 mvm
->fw_restart
= iwlwifi_mod_params
.fw_restart
? -1 : 0;
599 if (!iwl_mvm_is_dqa_supported(mvm
)) {
600 mvm
->last_agg_queue
= mvm
->cfg
->base_params
->num_of_queues
- 1;
602 if (mvm
->cfg
->base_params
->num_of_queues
== 16) {
604 mvm
->first_agg_queue
= 12;
605 BUILD_BUG_ON(BITS_PER_BYTE
*
606 sizeof(mvm
->hw_queue_to_mac80211
[0]) < 12);
609 mvm
->first_agg_queue
= 16;
610 BUILD_BUG_ON(BITS_PER_BYTE
*
611 sizeof(mvm
->hw_queue_to_mac80211
[0]) < 16);
614 mvm
->aux_queue
= IWL_MVM_DQA_AUX_QUEUE
;
615 mvm
->probe_queue
= IWL_MVM_DQA_AP_PROBE_RESP_QUEUE
;
616 mvm
->p2p_dev_queue
= IWL_MVM_DQA_P2P_DEVICE_QUEUE
;
617 mvm
->first_agg_queue
= IWL_MVM_DQA_MIN_DATA_QUEUE
;
618 mvm
->last_agg_queue
= IWL_MVM_DQA_MAX_DATA_QUEUE
;
620 mvm
->sf_state
= SF_UNINIT
;
621 if (iwl_mvm_has_new_tx_api(mvm
))
622 mvm
->cur_ucode
= IWL_UCODE_REGULAR
;
624 mvm
->cur_ucode
= IWL_UCODE_INIT
;
625 mvm
->drop_bcn_ap_mode
= true;
627 mutex_init(&mvm
->mutex
);
628 mutex_init(&mvm
->d0i3_suspend_mutex
);
629 spin_lock_init(&mvm
->async_handlers_lock
);
630 INIT_LIST_HEAD(&mvm
->time_event_list
);
631 INIT_LIST_HEAD(&mvm
->aux_roc_te_list
);
632 INIT_LIST_HEAD(&mvm
->async_handlers_list
);
633 spin_lock_init(&mvm
->time_event_lock
);
634 spin_lock_init(&mvm
->queue_info_lock
);
636 INIT_WORK(&mvm
->async_handlers_wk
, iwl_mvm_async_handlers_wk
);
637 INIT_WORK(&mvm
->roc_done_wk
, iwl_mvm_roc_done_wk
);
638 INIT_WORK(&mvm
->sta_drained_wk
, iwl_mvm_sta_drained_wk
);
639 INIT_WORK(&mvm
->d0i3_exit_work
, iwl_mvm_d0i3_exit_work
);
640 INIT_DELAYED_WORK(&mvm
->fw_dump_wk
, iwl_mvm_fw_error_dump_wk
);
641 INIT_DELAYED_WORK(&mvm
->tdls_cs
.dwork
, iwl_mvm_tdls_ch_switch_work
);
642 INIT_DELAYED_WORK(&mvm
->scan_timeout_dwork
, iwl_mvm_scan_timeout_wk
);
643 INIT_WORK(&mvm
->add_stream_wk
, iwl_mvm_add_new_dqa_stream_wk
);
645 spin_lock_init(&mvm
->d0i3_tx_lock
);
646 spin_lock_init(&mvm
->refs_lock
);
647 skb_queue_head_init(&mvm
->d0i3_tx
);
648 init_waitqueue_head(&mvm
->d0i3_exit_waitq
);
649 init_waitqueue_head(&mvm
->rx_sync_waitq
);
651 atomic_set(&mvm
->queue_sync_counter
, 0);
653 SET_IEEE80211_DEV(mvm
->hw
, mvm
->trans
->dev
);
655 INIT_DELAYED_WORK(&mvm
->cs_tx_unblock_dwork
, iwl_mvm_tx_unblock_dwork
);
658 * Populate the state variables that the transport layer needs
661 trans_cfg
.op_mode
= op_mode
;
662 trans_cfg
.no_reclaim_cmds
= no_reclaim_cmds
;
663 trans_cfg
.n_no_reclaim_cmds
= ARRAY_SIZE(no_reclaim_cmds
);
664 switch (iwlwifi_mod_params
.amsdu_size
) {
667 trans_cfg
.rx_buf_size
= IWL_AMSDU_4K
;
670 trans_cfg
.rx_buf_size
= IWL_AMSDU_8K
;
673 trans_cfg
.rx_buf_size
= IWL_AMSDU_12K
;
676 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME
,
677 iwlwifi_mod_params
.amsdu_size
);
678 trans_cfg
.rx_buf_size
= IWL_AMSDU_4K
;
681 /* the hardware splits the A-MSDU */
682 if (mvm
->cfg
->mq_rx_supported
)
683 trans_cfg
.rx_buf_size
= IWL_AMSDU_4K
;
685 trans
->wide_cmd_header
= true;
686 trans_cfg
.bc_table_dword
= true;
688 trans_cfg
.command_groups
= iwl_mvm_groups
;
689 trans_cfg
.command_groups_size
= ARRAY_SIZE(iwl_mvm_groups
);
691 if (iwl_mvm_is_dqa_supported(mvm
))
692 trans_cfg
.cmd_queue
= IWL_MVM_DQA_CMD_QUEUE
;
694 trans_cfg
.cmd_queue
= IWL_MVM_CMD_QUEUE
;
695 trans_cfg
.cmd_fifo
= IWL_MVM_TX_FIFO_CMD
;
696 trans_cfg
.scd_set_active
= true;
698 trans_cfg
.cb_data_offs
= offsetof(struct ieee80211_tx_info
,
701 trans_cfg
.sdio_adma_addr
= fw
->sdio_adma_addr
;
702 trans_cfg
.sw_csum_tx
= IWL_MVM_SW_TX_CSUM_OFFLOAD
;
704 /* Set a short watchdog for the command queue */
705 trans_cfg
.cmd_q_wdg_timeout
=
706 iwl_mvm_get_wd_timeout(mvm
, NULL
, false, true);
708 snprintf(mvm
->hw
->wiphy
->fw_version
,
709 sizeof(mvm
->hw
->wiphy
->fw_version
),
710 "%s", fw
->fw_version
);
712 /* Configure transport layer */
713 iwl_trans_configure(mvm
->trans
, &trans_cfg
);
715 trans
->rx_mpdu_cmd
= REPLY_RX_MPDU_CMD
;
716 trans
->dbg_dest_tlv
= mvm
->fw
->dbg_dest_tlv
;
717 trans
->dbg_dest_reg_num
= mvm
->fw
->dbg_dest_reg_num
;
718 memcpy(trans
->dbg_conf_tlv
, mvm
->fw
->dbg_conf_tlv
,
719 sizeof(trans
->dbg_conf_tlv
));
720 trans
->dbg_trigger_tlv
= mvm
->fw
->dbg_trigger_tlv
;
722 /* set up notification wait support */
723 iwl_notification_wait_init(&mvm
->notif_wait
);
726 mvm
->phy_db
= iwl_phy_db_init(trans
);
728 IWL_ERR(mvm
, "Cannot init phy_db\n");
732 IWL_INFO(mvm
, "Detected %s, REV=0x%X\n",
733 mvm
->cfg
->name
, mvm
->trans
->hw_rev
);
735 if (iwlwifi_mod_params
.nvm_file
)
736 mvm
->nvm_file_name
= iwlwifi_mod_params
.nvm_file
;
738 IWL_DEBUG_EEPROM(mvm
->trans
->dev
,
739 "working without external nvm file\n");
741 err
= iwl_trans_start_hw(mvm
->trans
);
745 mutex_lock(&mvm
->mutex
);
746 iwl_mvm_ref(mvm
, IWL_MVM_REF_INIT_UCODE
);
747 err
= iwl_run_init_mvm_ucode(mvm
, true);
748 if (!iwlmvm_mod_params
.init_dbg
)
749 iwl_mvm_stop_device(mvm
);
750 iwl_mvm_unref(mvm
, IWL_MVM_REF_INIT_UCODE
);
751 mutex_unlock(&mvm
->mutex
);
752 /* returns 0 if successful, 1 if success but in rfkill */
754 IWL_ERR(mvm
, "Failed to run INIT ucode: %d\n", err
);
758 scan_size
= iwl_mvm_scan_size(mvm
);
760 mvm
->scan_cmd
= kmalloc(scan_size
, GFP_KERNEL
);
764 /* Set EBS as successful as long as not stated otherwise by the FW. */
765 mvm
->last_ebs_successful
= true;
767 err
= iwl_mvm_mac_setup_register(mvm
);
770 mvm
->hw_registered
= true;
772 min_backoff
= calc_min_backoff(trans
, cfg
);
773 iwl_mvm_thermal_initialize(mvm
, min_backoff
);
775 err
= iwl_mvm_dbgfs_register(mvm
, dbgfs_dir
);
779 if (!iwl_mvm_has_new_rx_stats_api(mvm
))
780 memset(&mvm
->rx_stats_v3
, 0,
781 sizeof(struct mvm_statistics_rx_v3
));
783 memset(&mvm
->rx_stats
, 0, sizeof(struct mvm_statistics_rx
));
785 /* The transport always starts with a taken reference, we can
786 * release it now if d0i3 is supported */
787 if (iwl_mvm_is_d0i3_supported(mvm
))
788 iwl_trans_unref(mvm
->trans
);
790 iwl_mvm_tof_init(mvm
);
795 if (iwlmvm_mod_params
.init_dbg
)
798 ieee80211_unregister_hw(mvm
->hw
);
799 mvm
->hw_registered
= false;
800 iwl_mvm_leds_exit(mvm
);
801 iwl_mvm_thermal_exit(mvm
);
803 flush_delayed_work(&mvm
->fw_dump_wk
);
805 if (iwlmvm_mod_params
.init_dbg
)
807 iwl_phy_db_free(mvm
->phy_db
);
808 kfree(mvm
->scan_cmd
);
809 iwl_trans_op_mode_leave(trans
);
811 ieee80211_free_hw(mvm
->hw
);
815 static void iwl_op_mode_mvm_stop(struct iwl_op_mode
*op_mode
)
817 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
820 /* If d0i3 is supported, we have released the reference that
821 * the transport started with, so we should take it back now
822 * that we are leaving.
824 if (iwl_mvm_is_d0i3_supported(mvm
))
825 iwl_trans_ref(mvm
->trans
);
827 iwl_mvm_leds_exit(mvm
);
829 iwl_mvm_thermal_exit(mvm
);
831 if (mvm
->init_status
& IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
) {
832 ieee80211_unregister_hw(mvm
->hw
);
833 mvm
->init_status
&= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
;
836 kfree(mvm
->scan_cmd
);
837 kfree(mvm
->mcast_filter_cmd
);
838 mvm
->mcast_filter_cmd
= NULL
;
840 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
841 kfree(mvm
->d3_resume_sram
);
844 iwl_trans_op_mode_leave(mvm
->trans
);
846 iwl_phy_db_free(mvm
->phy_db
);
849 kfree(mvm
->nvm_data
);
850 for (i
= 0; i
< NVM_MAX_NUM_SECTIONS
; i
++)
851 kfree(mvm
->nvm_sections
[i
].data
);
853 iwl_mvm_tof_clean(mvm
);
855 mutex_destroy(&mvm
->mutex
);
856 mutex_destroy(&mvm
->d0i3_suspend_mutex
);
858 ieee80211_free_hw(mvm
->hw
);
861 struct iwl_async_handler_entry
{
862 struct list_head list
;
863 struct iwl_rx_cmd_buffer rxb
;
864 enum iwl_rx_handler_context context
;
865 void (*fn
)(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
);
868 void iwl_mvm_async_handlers_purge(struct iwl_mvm
*mvm
)
870 struct iwl_async_handler_entry
*entry
, *tmp
;
872 spin_lock_bh(&mvm
->async_handlers_lock
);
873 list_for_each_entry_safe(entry
, tmp
, &mvm
->async_handlers_list
, list
) {
874 iwl_free_rxb(&entry
->rxb
);
875 list_del(&entry
->list
);
878 spin_unlock_bh(&mvm
->async_handlers_lock
);
881 static void iwl_mvm_async_handlers_wk(struct work_struct
*wk
)
883 struct iwl_mvm
*mvm
=
884 container_of(wk
, struct iwl_mvm
, async_handlers_wk
);
885 struct iwl_async_handler_entry
*entry
, *tmp
;
886 LIST_HEAD(local_list
);
888 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
891 * Sync with Rx path with a lock. Remove all the entries from this list,
892 * add them to a local one (lock free), and then handle them.
894 spin_lock_bh(&mvm
->async_handlers_lock
);
895 list_splice_init(&mvm
->async_handlers_list
, &local_list
);
896 spin_unlock_bh(&mvm
->async_handlers_lock
);
898 list_for_each_entry_safe(entry
, tmp
, &local_list
, list
) {
899 if (entry
->context
== RX_HANDLER_ASYNC_LOCKED
)
900 mutex_lock(&mvm
->mutex
);
901 entry
->fn(mvm
, &entry
->rxb
);
902 iwl_free_rxb(&entry
->rxb
);
903 list_del(&entry
->list
);
904 if (entry
->context
== RX_HANDLER_ASYNC_LOCKED
)
905 mutex_unlock(&mvm
->mutex
);
910 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm
*mvm
,
911 struct iwl_rx_packet
*pkt
)
913 struct iwl_fw_dbg_trigger_tlv
*trig
;
914 struct iwl_fw_dbg_trigger_cmd
*cmds_trig
;
917 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_FW_NOTIF
))
920 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_FW_NOTIF
);
921 cmds_trig
= (void *)trig
->data
;
923 if (!iwl_fw_dbg_trigger_check_stop(mvm
, NULL
, trig
))
926 for (i
= 0; i
< ARRAY_SIZE(cmds_trig
->cmds
); i
++) {
927 /* don't collect on CMD 0 */
928 if (!cmds_trig
->cmds
[i
].cmd_id
)
931 if (cmds_trig
->cmds
[i
].cmd_id
!= pkt
->hdr
.cmd
||
932 cmds_trig
->cmds
[i
].group_id
!= pkt
->hdr
.group_id
)
935 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
,
936 "CMD 0x%02x.%02x received",
937 pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
942 static void iwl_mvm_rx_common(struct iwl_mvm
*mvm
,
943 struct iwl_rx_cmd_buffer
*rxb
,
944 struct iwl_rx_packet
*pkt
)
948 iwl_mvm_rx_check_trigger(mvm
, pkt
);
951 * Do the notification wait before RX handlers so
952 * even if the RX handler consumes the RXB we have
953 * access to it in the notification wait entry.
955 iwl_notification_wait_notify(&mvm
->notif_wait
, pkt
);
957 for (i
= 0; i
< ARRAY_SIZE(iwl_mvm_rx_handlers
); i
++) {
958 const struct iwl_rx_handlers
*rx_h
= &iwl_mvm_rx_handlers
[i
];
959 struct iwl_async_handler_entry
*entry
;
961 if (rx_h
->cmd_id
!= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
))
964 if (rx_h
->context
== RX_HANDLER_SYNC
) {
969 entry
= kzalloc(sizeof(*entry
), GFP_ATOMIC
);
970 /* we can't do much... */
974 entry
->rxb
._page
= rxb_steal_page(rxb
);
975 entry
->rxb
._offset
= rxb
->_offset
;
976 entry
->rxb
._rx_page_order
= rxb
->_rx_page_order
;
977 entry
->fn
= rx_h
->fn
;
978 entry
->context
= rx_h
->context
;
979 spin_lock(&mvm
->async_handlers_lock
);
980 list_add_tail(&entry
->list
, &mvm
->async_handlers_list
);
981 spin_unlock(&mvm
->async_handlers_lock
);
982 schedule_work(&mvm
->async_handlers_wk
);
987 static void iwl_mvm_rx(struct iwl_op_mode
*op_mode
,
988 struct napi_struct
*napi
,
989 struct iwl_rx_cmd_buffer
*rxb
)
991 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
992 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
993 u16 cmd
= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
995 if (likely(cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
)))
996 iwl_mvm_rx_rx_mpdu(mvm
, napi
, rxb
);
997 else if (cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_PHY_CMD
))
998 iwl_mvm_rx_rx_phy_cmd(mvm
, rxb
);
1000 iwl_mvm_rx_common(mvm
, rxb
, pkt
);
1003 static void iwl_mvm_rx_mq(struct iwl_op_mode
*op_mode
,
1004 struct napi_struct
*napi
,
1005 struct iwl_rx_cmd_buffer
*rxb
)
1007 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1008 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1009 u16 cmd
= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
1011 if (likely(cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
)))
1012 iwl_mvm_rx_mpdu_mq(mvm
, napi
, rxb
, 0);
1013 else if (unlikely(cmd
== WIDE_ID(DATA_PATH_GROUP
,
1014 RX_QUEUES_NOTIFICATION
)))
1015 iwl_mvm_rx_queue_notif(mvm
, rxb
, 0);
1016 else if (cmd
== WIDE_ID(LEGACY_GROUP
, FRAME_RELEASE
))
1017 iwl_mvm_rx_frame_release(mvm
, napi
, rxb
, 0);
1019 iwl_mvm_rx_common(mvm
, rxb
, pkt
);
1022 void iwl_mvm_stop_mac_queues(struct iwl_mvm
*mvm
, unsigned long mq
)
1026 if (WARN_ON_ONCE(!mq
))
1029 for_each_set_bit(q
, &mq
, IEEE80211_MAX_QUEUES
) {
1030 if (atomic_inc_return(&mvm
->mac80211_queue_stop_count
[q
]) > 1) {
1031 IWL_DEBUG_TX_QUEUES(mvm
,
1032 "mac80211 %d already stopped\n", q
);
1036 ieee80211_stop_queue(mvm
->hw
, q
);
1040 static void iwl_mvm_async_cb(struct iwl_op_mode
*op_mode
,
1041 const struct iwl_device_cmd
*cmd
)
1043 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1046 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1047 * commands that need to block the Tx queues.
1049 iwl_trans_block_txq_ptrs(mvm
->trans
, false);
1052 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode
*op_mode
, int hw_queue
)
1054 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1057 spin_lock_bh(&mvm
->queue_info_lock
);
1058 mq
= mvm
->hw_queue_to_mac80211
[hw_queue
];
1059 spin_unlock_bh(&mvm
->queue_info_lock
);
1061 iwl_mvm_stop_mac_queues(mvm
, mq
);
1064 void iwl_mvm_start_mac_queues(struct iwl_mvm
*mvm
, unsigned long mq
)
1068 if (WARN_ON_ONCE(!mq
))
1071 for_each_set_bit(q
, &mq
, IEEE80211_MAX_QUEUES
) {
1072 if (atomic_dec_return(&mvm
->mac80211_queue_stop_count
[q
]) > 0) {
1073 IWL_DEBUG_TX_QUEUES(mvm
,
1074 "mac80211 %d still stopped\n", q
);
1078 ieee80211_wake_queue(mvm
->hw
, q
);
1082 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode
*op_mode
, int hw_queue
)
1084 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1087 spin_lock_bh(&mvm
->queue_info_lock
);
1088 mq
= mvm
->hw_queue_to_mac80211
[hw_queue
];
1089 spin_unlock_bh(&mvm
->queue_info_lock
);
1091 iwl_mvm_start_mac_queues(mvm
, mq
);
1094 static void iwl_mvm_set_rfkill_state(struct iwl_mvm
*mvm
)
1096 bool state
= iwl_mvm_is_radio_killed(mvm
);
1099 wake_up(&mvm
->rx_sync_waitq
);
1101 wiphy_rfkill_set_hw_state(mvm
->hw
->wiphy
, state
);
1104 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm
*mvm
, bool state
)
1107 set_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
1109 clear_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
1111 iwl_mvm_set_rfkill_state(mvm
);
1114 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode
*op_mode
, bool state
)
1116 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1117 bool calibrating
= ACCESS_ONCE(mvm
->calibrating
);
1120 set_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
);
1122 clear_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
);
1124 iwl_mvm_set_rfkill_state(mvm
);
1126 /* iwl_run_init_mvm_ucode is waiting for results, abort it */
1128 iwl_abort_notification_waits(&mvm
->notif_wait
);
1131 * Stop the device if we run OPERATIONAL firmware or if we are in the
1132 * middle of the calibrations.
1134 return state
&& (mvm
->cur_ucode
!= IWL_UCODE_INIT
|| calibrating
);
1137 static void iwl_mvm_free_skb(struct iwl_op_mode
*op_mode
, struct sk_buff
*skb
)
1139 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1140 struct ieee80211_tx_info
*info
;
1142 info
= IEEE80211_SKB_CB(skb
);
1143 iwl_trans_free_tx_cmd(mvm
->trans
, info
->driver_data
[1]);
1144 ieee80211_free_txskb(mvm
->hw
, skb
);
1147 struct iwl_mvm_reprobe
{
1149 struct work_struct work
;
1152 static void iwl_mvm_reprobe_wk(struct work_struct
*wk
)
1154 struct iwl_mvm_reprobe
*reprobe
;
1156 reprobe
= container_of(wk
, struct iwl_mvm_reprobe
, work
);
1157 if (device_reprobe(reprobe
->dev
))
1158 dev_err(reprobe
->dev
, "reprobe failed!\n");
1160 module_put(THIS_MODULE
);
1163 static void iwl_mvm_fw_error_dump_wk(struct work_struct
*work
)
1165 struct iwl_mvm
*mvm
=
1166 container_of(work
, struct iwl_mvm
, fw_dump_wk
.work
);
1168 if (iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_FW_DBG_COLLECT
))
1171 mutex_lock(&mvm
->mutex
);
1173 if (mvm
->cfg
->device_family
== IWL_DEVICE_FAMILY_7000
) {
1174 /* stop recording */
1175 iwl_set_bits_prph(mvm
->trans
, MON_BUFF_SAMPLE_CTL
, 0x100);
1177 iwl_mvm_fw_error_dump(mvm
);
1179 /* start recording again if the firmware is not crashed */
1180 if (!test_bit(STATUS_FW_ERROR
, &mvm
->trans
->status
) &&
1181 mvm
->fw
->dbg_dest_tlv
) {
1182 iwl_clear_bits_prph(mvm
->trans
,
1183 MON_BUFF_SAMPLE_CTL
, 0x100);
1184 iwl_clear_bits_prph(mvm
->trans
,
1185 MON_BUFF_SAMPLE_CTL
, 0x1);
1186 iwl_set_bits_prph(mvm
->trans
, MON_BUFF_SAMPLE_CTL
, 0x1);
1189 u32 in_sample
= iwl_read_prph(mvm
->trans
, DBGC_IN_SAMPLE
);
1190 u32 out_ctrl
= iwl_read_prph(mvm
->trans
, DBGC_OUT_CTRL
);
1192 /* stop recording */
1193 iwl_write_prph(mvm
->trans
, DBGC_IN_SAMPLE
, 0);
1195 iwl_write_prph(mvm
->trans
, DBGC_OUT_CTRL
, 0);
1196 /* wait before we collect the data till the DBGC stop */
1199 iwl_mvm_fw_error_dump(mvm
);
1201 /* start recording again if the firmware is not crashed */
1202 if (!test_bit(STATUS_FW_ERROR
, &mvm
->trans
->status
) &&
1203 mvm
->fw
->dbg_dest_tlv
) {
1204 iwl_write_prph(mvm
->trans
, DBGC_IN_SAMPLE
, in_sample
);
1205 iwl_write_prph(mvm
->trans
, DBGC_OUT_CTRL
, out_ctrl
);
1209 mutex_unlock(&mvm
->mutex
);
1211 iwl_mvm_unref(mvm
, IWL_MVM_REF_FW_DBG_COLLECT
);
1214 void iwl_mvm_nic_restart(struct iwl_mvm
*mvm
, bool fw_error
)
1216 iwl_abort_notification_waits(&mvm
->notif_wait
);
1219 * This is a bit racy, but worst case we tell mac80211 about
1220 * a stopped/aborted scan when that was already done which
1221 * is not a problem. It is necessary to abort any os scan
1222 * here because mac80211 requires having the scan cleared
1223 * before restarting.
1224 * We'll reset the scan_status to NONE in restart cleanup in
1225 * the next start() call from mac80211. If restart isn't called
1226 * (no fw restart) scan status will stay busy.
1228 iwl_mvm_report_scan_aborted(mvm
);
1231 * If we're restarting already, don't cycle restarts.
1232 * If INIT fw asserted, it will likely fail again.
1233 * If WoWLAN fw asserted, don't restart either, mac80211
1234 * can't recover this since we're already half suspended.
1236 if (!mvm
->fw_restart
&& fw_error
) {
1237 iwl_mvm_fw_dbg_collect_desc(mvm
, &iwl_mvm_dump_desc_assert
,
1239 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART
, &mvm
->status
)) {
1240 struct iwl_mvm_reprobe
*reprobe
;
1243 "Firmware error during reconfiguration - reprobe!\n");
1246 * get a module reference to avoid doing this while unloading
1247 * anyway and to avoid scheduling a work with code that's
1250 if (!try_module_get(THIS_MODULE
)) {
1251 IWL_ERR(mvm
, "Module is being unloaded - abort\n");
1255 reprobe
= kzalloc(sizeof(*reprobe
), GFP_ATOMIC
);
1257 module_put(THIS_MODULE
);
1260 reprobe
->dev
= mvm
->trans
->dev
;
1261 INIT_WORK(&reprobe
->work
, iwl_mvm_reprobe_wk
);
1262 schedule_work(&reprobe
->work
);
1263 } else if (mvm
->cur_ucode
== IWL_UCODE_REGULAR
&&
1264 mvm
->hw_registered
) {
1265 /* don't let the transport/FW power down */
1266 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1268 if (fw_error
&& mvm
->fw_restart
> 0)
1270 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED
, &mvm
->status
);
1271 ieee80211_restart_hw(mvm
->hw
);
1275 static void iwl_mvm_nic_error(struct iwl_op_mode
*op_mode
)
1277 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1279 iwl_mvm_dump_nic_error_log(mvm
);
1281 iwl_mvm_nic_restart(mvm
, true);
1284 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode
*op_mode
)
1286 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1289 iwl_mvm_nic_restart(mvm
, true);
1292 struct iwl_d0i3_iter_data
{
1293 struct iwl_mvm
*mvm
;
1294 struct ieee80211_vif
*connected_vif
;
1298 bool disable_offloading
;
1301 static bool iwl_mvm_disallow_offloading(struct iwl_mvm
*mvm
,
1302 struct ieee80211_vif
*vif
,
1303 struct iwl_d0i3_iter_data
*iter_data
)
1305 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1306 struct iwl_mvm_sta
*mvmsta
;
1307 u32 available_tids
= 0;
1310 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_STATION
||
1311 mvmvif
->ap_sta_id
== IWL_MVM_INVALID_STA
))
1314 mvmsta
= iwl_mvm_sta_from_staid_rcu(mvm
, mvmvif
->ap_sta_id
);
1318 spin_lock_bh(&mvmsta
->lock
);
1319 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
1320 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
1323 * in case of pending tx packets, don't use this tid
1324 * for offloading in order to prevent reuse of the same
1327 if (iwl_mvm_tid_queued(mvm
, tid_data
))
1330 if (tid_data
->state
!= IWL_AGG_OFF
)
1333 available_tids
|= BIT(tid
);
1335 spin_unlock_bh(&mvmsta
->lock
);
1338 * disallow protocol offloading if we have no available tid
1339 * (with no pending frames and no active aggregation,
1340 * as we don't handle "holes" properly - the scheduler needs the
1341 * frame's seq number and TFD index to match)
1343 if (!available_tids
)
1346 /* for simplicity, just use the first available tid */
1347 iter_data
->offloading_tid
= ffs(available_tids
) - 1;
1351 static void iwl_mvm_enter_d0i3_iterator(void *_data
, u8
*mac
,
1352 struct ieee80211_vif
*vif
)
1354 struct iwl_d0i3_iter_data
*data
= _data
;
1355 struct iwl_mvm
*mvm
= data
->mvm
;
1356 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1357 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
;
1359 IWL_DEBUG_RPM(mvm
, "entering D0i3 - vif %pM\n", vif
->addr
);
1360 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1361 !vif
->bss_conf
.assoc
)
1365 * in case of pending tx packets or active aggregations,
1366 * avoid offloading features in order to prevent reuse of
1367 * the same qos seq counters.
1369 if (iwl_mvm_disallow_offloading(mvm
, vif
, data
))
1370 data
->disable_offloading
= true;
1372 iwl_mvm_update_d0i3_power_mode(mvm
, vif
, true, flags
);
1373 iwl_mvm_send_proto_offload(mvm
, vif
, data
->disable_offloading
,
1377 * on init/association, mvm already configures POWER_TABLE_CMD
1378 * and REPLY_MCAST_FILTER_CMD, so currently don't
1379 * reconfigure them (we might want to use different
1380 * params later on, though).
1382 data
->ap_sta_id
= mvmvif
->ap_sta_id
;
1386 * no new commands can be sent at this stage, so it's safe
1387 * to save the vif pointer during d0i3 entrance.
1389 data
->connected_vif
= vif
;
1392 static void iwl_mvm_set_wowlan_data(struct iwl_mvm
*mvm
,
1393 struct iwl_wowlan_config_cmd
*cmd
,
1394 struct iwl_d0i3_iter_data
*iter_data
)
1396 struct ieee80211_sta
*ap_sta
;
1397 struct iwl_mvm_sta
*mvm_ap_sta
;
1399 if (iter_data
->ap_sta_id
== IWL_MVM_INVALID_STA
)
1404 ap_sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[iter_data
->ap_sta_id
]);
1405 if (IS_ERR_OR_NULL(ap_sta
))
1408 mvm_ap_sta
= iwl_mvm_sta_from_mac80211(ap_sta
);
1409 cmd
->is_11n_connection
= ap_sta
->ht_cap
.ht_supported
;
1410 cmd
->offloading_tid
= iter_data
->offloading_tid
;
1411 cmd
->flags
= ENABLE_L3_FILTERING
| ENABLE_NBNS_FILTERING
|
1412 ENABLE_DHCP_FILTERING
| ENABLE_STORE_BEACON
;
1414 * The d0i3 uCode takes care of the nonqos counters,
1415 * so configure only the qos seq ones.
1417 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta
, cmd
);
1422 int iwl_mvm_enter_d0i3(struct iwl_op_mode
*op_mode
)
1424 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1425 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
;
1427 struct iwl_d0i3_iter_data d0i3_iter_data
= {
1430 struct iwl_wowlan_config_cmd wowlan_config_cmd
= {
1431 .wakeup_filter
= cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME
|
1432 IWL_WOWLAN_WAKEUP_BEACON_MISS
|
1433 IWL_WOWLAN_WAKEUP_LINK_CHANGE
),
1435 struct iwl_d3_manager_config d3_cfg_cmd
= {
1436 .min_sleep_time
= cpu_to_le32(1000),
1437 .wakeup_flags
= cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR
),
1440 IWL_DEBUG_RPM(mvm
, "MVM entering D0i3\n");
1442 if (WARN_ON_ONCE(mvm
->cur_ucode
!= IWL_UCODE_REGULAR
))
1445 set_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1448 * iwl_mvm_ref_sync takes a reference before checking the flag.
1449 * so by checking there is no held reference we prevent a state
1450 * in which iwl_mvm_ref_sync continues successfully while we
1451 * configure the firmware to enter d0i3
1453 if (iwl_mvm_ref_taken(mvm
)) {
1454 IWL_DEBUG_RPM(mvm
->trans
, "abort d0i3 due to taken ref\n");
1455 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1456 wake_up(&mvm
->d0i3_exit_waitq
);
1460 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
1461 IEEE80211_IFACE_ITER_NORMAL
,
1462 iwl_mvm_enter_d0i3_iterator
,
1464 if (d0i3_iter_data
.vif_count
== 1) {
1465 mvm
->d0i3_ap_sta_id
= d0i3_iter_data
.ap_sta_id
;
1466 mvm
->d0i3_offloading
= !d0i3_iter_data
.disable_offloading
;
1468 WARN_ON_ONCE(d0i3_iter_data
.vif_count
> 1);
1469 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1470 mvm
->d0i3_offloading
= false;
1473 /* make sure we have no running tx while configuring the seqno */
1476 /* Flush the hw queues, in case something got queued during entry */
1477 /* TODO new tx api */
1478 if (iwl_mvm_has_new_tx_api(mvm
)) {
1479 WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n");
1481 ret
= iwl_mvm_flush_tx_path(mvm
, iwl_mvm_flushable_queues(mvm
),
1487 /* configure wowlan configuration only if needed */
1488 if (mvm
->d0i3_ap_sta_id
!= IWL_MVM_INVALID_STA
) {
1489 /* wake on beacons only if beacon storing isn't supported */
1490 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
1491 IWL_UCODE_TLV_CAPA_BEACON_STORING
))
1492 wowlan_config_cmd
.wakeup_filter
|=
1493 cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING
);
1495 iwl_mvm_wowlan_config_key_params(mvm
,
1496 d0i3_iter_data
.connected_vif
,
1499 iwl_mvm_set_wowlan_data(mvm
, &wowlan_config_cmd
,
1502 ret
= iwl_mvm_send_cmd_pdu(mvm
, WOWLAN_CONFIGURATION
, flags
,
1503 sizeof(wowlan_config_cmd
),
1504 &wowlan_config_cmd
);
1509 return iwl_mvm_send_cmd_pdu(mvm
, D3_CONFIG_CMD
,
1510 flags
| CMD_MAKE_TRANS_IDLE
,
1511 sizeof(d3_cfg_cmd
), &d3_cfg_cmd
);
1514 static void iwl_mvm_exit_d0i3_iterator(void *_data
, u8
*mac
,
1515 struct ieee80211_vif
*vif
)
1517 struct iwl_mvm
*mvm
= _data
;
1518 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
;
1520 IWL_DEBUG_RPM(mvm
, "exiting D0i3 - vif %pM\n", vif
->addr
);
1521 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1522 !vif
->bss_conf
.assoc
)
1525 iwl_mvm_update_d0i3_power_mode(mvm
, vif
, false, flags
);
1528 struct iwl_mvm_d0i3_exit_work_iter_data
{
1529 struct iwl_mvm
*mvm
;
1530 struct iwl_wowlan_status
*status
;
1534 static void iwl_mvm_d0i3_exit_work_iter(void *_data
, u8
*mac
,
1535 struct ieee80211_vif
*vif
)
1537 struct iwl_mvm_d0i3_exit_work_iter_data
*data
= _data
;
1538 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1539 u32 reasons
= data
->wakeup_reasons
;
1541 /* consider only the relevant station interface */
1542 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1543 data
->mvm
->d0i3_ap_sta_id
!= mvmvif
->ap_sta_id
)
1546 if (reasons
& IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH
)
1547 iwl_mvm_connection_loss(data
->mvm
, vif
, "D0i3");
1548 else if (reasons
& IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON
)
1549 ieee80211_beacon_loss(vif
);
1551 iwl_mvm_d0i3_update_keys(data
->mvm
, vif
, data
->status
);
1554 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm
*mvm
, __le16
*qos_seq
)
1556 struct ieee80211_sta
*sta
= NULL
;
1557 struct iwl_mvm_sta
*mvm_ap_sta
;
1559 bool wake_queues
= false;
1561 lockdep_assert_held(&mvm
->mutex
);
1563 spin_lock_bh(&mvm
->d0i3_tx_lock
);
1565 if (mvm
->d0i3_ap_sta_id
== IWL_MVM_INVALID_STA
)
1568 IWL_DEBUG_RPM(mvm
, "re-enqueue packets\n");
1570 /* get the sta in order to update seq numbers and re-enqueue skbs */
1571 sta
= rcu_dereference_protected(
1572 mvm
->fw_id_to_mac_id
[mvm
->d0i3_ap_sta_id
],
1573 lockdep_is_held(&mvm
->mutex
));
1575 if (IS_ERR_OR_NULL(sta
)) {
1580 if (mvm
->d0i3_offloading
&& qos_seq
) {
1581 /* update qos seq numbers if offloading was enabled */
1582 mvm_ap_sta
= iwl_mvm_sta_from_mac80211(sta
);
1583 for (i
= 0; i
< IWL_MAX_TID_COUNT
; i
++) {
1584 u16 seq
= le16_to_cpu(qos_seq
[i
]);
1585 /* firmware stores last-used one, we store next one */
1587 mvm_ap_sta
->tid_data
[i
].seq_number
= seq
;
1591 /* re-enqueue (or drop) all packets */
1592 while (!skb_queue_empty(&mvm
->d0i3_tx
)) {
1593 struct sk_buff
*skb
= __skb_dequeue(&mvm
->d0i3_tx
);
1595 if (!sta
|| iwl_mvm_tx_skb(mvm
, skb
, sta
))
1596 ieee80211_free_txskb(mvm
->hw
, skb
);
1598 /* if the skb_queue is not empty, we need to wake queues */
1601 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1602 wake_up(&mvm
->d0i3_exit_waitq
);
1603 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1605 ieee80211_wake_queues(mvm
->hw
);
1607 spin_unlock_bh(&mvm
->d0i3_tx_lock
);
1610 static void iwl_mvm_d0i3_exit_work(struct work_struct
*wk
)
1612 struct iwl_mvm
*mvm
= container_of(wk
, struct iwl_mvm
, d0i3_exit_work
);
1613 struct iwl_host_cmd get_status_cmd
= {
1614 .id
= WOWLAN_GET_STATUSES
,
1615 .flags
= CMD_HIGH_PRIO
| CMD_WANT_SKB
,
1617 struct iwl_mvm_d0i3_exit_work_iter_data iter_data
= {
1621 struct iwl_wowlan_status
*status
;
1623 u32 wakeup_reasons
= 0;
1624 __le16
*qos_seq
= NULL
;
1626 mutex_lock(&mvm
->mutex
);
1627 ret
= iwl_mvm_send_cmd(mvm
, &get_status_cmd
);
1631 status
= (void *)get_status_cmd
.resp_pkt
->data
;
1632 wakeup_reasons
= le32_to_cpu(status
->wakeup_reasons
);
1633 qos_seq
= status
->qos_seq_ctr
;
1635 IWL_DEBUG_RPM(mvm
, "wakeup reasons: 0x%x\n", wakeup_reasons
);
1637 iter_data
.wakeup_reasons
= wakeup_reasons
;
1638 iter_data
.status
= status
;
1639 ieee80211_iterate_active_interfaces(mvm
->hw
,
1640 IEEE80211_IFACE_ITER_NORMAL
,
1641 iwl_mvm_d0i3_exit_work_iter
,
1644 iwl_mvm_d0i3_enable_tx(mvm
, qos_seq
);
1646 IWL_DEBUG_INFO(mvm
, "d0i3 exit completed (wakeup reasons: 0x%x)\n",
1649 /* qos_seq might point inside resp_pkt, so free it only now */
1650 if (get_status_cmd
.resp_pkt
)
1651 iwl_free_resp(&get_status_cmd
);
1653 /* the FW might have updated the regdomain */
1654 iwl_mvm_update_changed_regdom(mvm
);
1656 iwl_mvm_unref(mvm
, IWL_MVM_REF_EXIT_WORK
);
1657 mutex_unlock(&mvm
->mutex
);
1660 int _iwl_mvm_exit_d0i3(struct iwl_mvm
*mvm
)
1662 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
|
1666 IWL_DEBUG_RPM(mvm
, "MVM exiting D0i3\n");
1668 if (WARN_ON_ONCE(mvm
->cur_ucode
!= IWL_UCODE_REGULAR
))
1671 mutex_lock(&mvm
->d0i3_suspend_mutex
);
1672 if (test_bit(D0I3_DEFER_WAKEUP
, &mvm
->d0i3_suspend_flags
)) {
1673 IWL_DEBUG_RPM(mvm
, "Deferring d0i3 exit until resume\n");
1674 __set_bit(D0I3_PENDING_WAKEUP
, &mvm
->d0i3_suspend_flags
);
1675 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1678 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1680 ret
= iwl_mvm_send_cmd_pdu(mvm
, D0I3_END_CMD
, flags
, 0, NULL
);
1684 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
1685 IEEE80211_IFACE_ITER_NORMAL
,
1686 iwl_mvm_exit_d0i3_iterator
,
1689 schedule_work(&mvm
->d0i3_exit_work
);
1693 int iwl_mvm_exit_d0i3(struct iwl_op_mode
*op_mode
)
1695 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1697 iwl_mvm_ref(mvm
, IWL_MVM_REF_EXIT_WORK
);
1698 return _iwl_mvm_exit_d0i3(mvm
);
1701 #define IWL_MVM_COMMON_OPS \
1702 /* these could be differentiated */ \
1703 .async_cb = iwl_mvm_async_cb, \
1704 .queue_full = iwl_mvm_stop_sw_queue, \
1705 .queue_not_full = iwl_mvm_wake_sw_queue, \
1706 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1707 .free_skb = iwl_mvm_free_skb, \
1708 .nic_error = iwl_mvm_nic_error, \
1709 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1710 .nic_config = iwl_mvm_nic_config, \
1711 .enter_d0i3 = iwl_mvm_enter_d0i3, \
1712 .exit_d0i3 = iwl_mvm_exit_d0i3, \
1713 /* as we only register one, these MUST be common! */ \
1714 .start = iwl_op_mode_mvm_start, \
1715 .stop = iwl_op_mode_mvm_stop
1717 static const struct iwl_op_mode_ops iwl_mvm_ops
= {
1722 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode
*op_mode
,
1723 struct napi_struct
*napi
,
1724 struct iwl_rx_cmd_buffer
*rxb
,
1727 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1728 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1729 u16 cmd
= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
1731 if (unlikely(cmd
== WIDE_ID(LEGACY_GROUP
, FRAME_RELEASE
)))
1732 iwl_mvm_rx_frame_release(mvm
, napi
, rxb
, queue
);
1733 else if (unlikely(cmd
== WIDE_ID(DATA_PATH_GROUP
,
1734 RX_QUEUES_NOTIFICATION
)))
1735 iwl_mvm_rx_queue_notif(mvm
, rxb
, queue
);
1736 else if (likely(cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
)))
1737 iwl_mvm_rx_mpdu_mq(mvm
, napi
, rxb
, queue
);
1740 static const struct iwl_op_mode_ops iwl_mvm_ops_mq
= {
1742 .rx
= iwl_mvm_rx_mq
,
1743 .rx_rss
= iwl_mvm_rx_mq_rss
,