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"
88 #include "fw-api-scan.h"
90 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
91 MODULE_DESCRIPTION(DRV_DESCRIPTION
);
92 MODULE_AUTHOR(DRV_COPYRIGHT
" " DRV_AUTHOR
);
93 MODULE_LICENSE("GPL");
95 static const struct iwl_op_mode_ops iwl_mvm_ops
;
96 static const struct iwl_op_mode_ops iwl_mvm_ops_mq
;
98 struct iwl_mvm_mod_params iwlmvm_mod_params
= {
99 .power_scheme
= IWL_POWER_SCHEME_BPS
,
100 .tfd_q_hang_detect
= true
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");
110 module_param_named(tfd_q_hang_detect
, iwlmvm_mod_params
.tfd_q_hang_detect
,
112 MODULE_PARM_DESC(tfd_q_hang_detect
,
113 "TFD queues hang detection (default: true");
116 * module init and exit functions
118 static int __init
iwl_mvm_init(void)
122 ret
= iwl_mvm_rate_control_register();
124 pr_err("Unable to register rate control algorithm: %d\n", ret
);
128 ret
= iwl_opmode_register("iwlmvm", &iwl_mvm_ops
);
131 pr_err("Unable to register MVM op_mode: %d\n", ret
);
132 iwl_mvm_rate_control_unregister();
137 module_init(iwl_mvm_init
);
139 static void __exit
iwl_mvm_exit(void)
141 iwl_opmode_deregister("iwlmvm");
142 iwl_mvm_rate_control_unregister();
144 module_exit(iwl_mvm_exit
);
146 static void iwl_mvm_nic_config(struct iwl_op_mode
*op_mode
)
148 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
149 u8 radio_cfg_type
, radio_cfg_step
, radio_cfg_dash
;
151 u32 phy_config
= iwl_mvm_get_phy_config(mvm
);
153 radio_cfg_type
= (phy_config
& FW_PHY_CFG_RADIO_TYPE
) >>
154 FW_PHY_CFG_RADIO_TYPE_POS
;
155 radio_cfg_step
= (phy_config
& FW_PHY_CFG_RADIO_STEP
) >>
156 FW_PHY_CFG_RADIO_STEP_POS
;
157 radio_cfg_dash
= (phy_config
& FW_PHY_CFG_RADIO_DASH
) >>
158 FW_PHY_CFG_RADIO_DASH_POS
;
161 reg_val
|= CSR_HW_REV_STEP(mvm
->trans
->hw_rev
) <<
162 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP
;
163 reg_val
|= CSR_HW_REV_DASH(mvm
->trans
->hw_rev
) <<
164 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH
;
166 /* radio configuration */
167 reg_val
|= radio_cfg_type
<< CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE
;
168 reg_val
|= radio_cfg_step
<< CSR_HW_IF_CONFIG_REG_POS_PHY_STEP
;
169 reg_val
|= radio_cfg_dash
<< CSR_HW_IF_CONFIG_REG_POS_PHY_DASH
;
171 WARN_ON((radio_cfg_type
<< CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE
) &
172 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE
);
175 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
176 * sampling, and shouldn't be set to any non-zero value.
177 * The same is supposed to be true of the other HW, but unsetting
178 * them (such as the 7260) causes automatic tests to fail on seemingly
179 * unrelated errors. Need to further investigate this, but for now
180 * we'll separate cases.
182 if (mvm
->trans
->cfg
->device_family
< IWL_DEVICE_FAMILY_8000
)
183 reg_val
|= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
;
185 iwl_trans_set_bits_mask(mvm
->trans
, CSR_HW_IF_CONFIG_REG
,
186 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH
|
187 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP
|
188 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE
|
189 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP
|
190 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH
|
191 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI
|
192 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI
,
195 IWL_DEBUG_INFO(mvm
, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type
,
196 radio_cfg_step
, radio_cfg_dash
);
199 * W/A : NIC is stuck in a reset state after Early PCIe power off
200 * (PCIe power is lost before PERST# is asserted), causing ME FW
201 * to lose ownership and not being able to obtain it back.
203 if (!mvm
->trans
->cfg
->apmg_not_supported
)
204 iwl_set_bits_mask_prph(mvm
->trans
, APMG_PS_CTRL_REG
,
205 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
,
206 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS
);
210 * enum iwl_rx_handler_context context for Rx handler
211 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
212 * which can't acquire mvm->mutex.
213 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
214 * (and only in this case!), it should be set as ASYNC. In that case,
215 * it will be called from a worker with mvm->mutex held.
216 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
217 * mutex itself, it will be called from a worker without mvm->mutex held.
219 enum iwl_rx_handler_context
{
221 RX_HANDLER_ASYNC_LOCKED
,
222 RX_HANDLER_ASYNC_UNLOCKED
,
226 * struct iwl_rx_handlers handler for FW notification
227 * @cmd_id: command id
228 * @context: see &iwl_rx_handler_context
229 * @fn: the function is called when notification is received
231 struct iwl_rx_handlers
{
233 enum iwl_rx_handler_context context
;
234 void (*fn
)(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
);
237 #define RX_HANDLER(_cmd_id, _fn, _context) \
238 { .cmd_id = _cmd_id, .fn = _fn, .context = _context }
239 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
240 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
243 * Handlers for fw notifications
244 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
245 * This list should be in order of frequency for performance purposes.
247 * The handler can be one from three contexts, see &iwl_rx_handler_context
249 static const struct iwl_rx_handlers iwl_mvm_rx_handlers
[] = {
250 RX_HANDLER(TX_CMD
, iwl_mvm_rx_tx_cmd
, RX_HANDLER_SYNC
),
251 RX_HANDLER(BA_NOTIF
, iwl_mvm_rx_ba_notif
, RX_HANDLER_SYNC
),
253 RX_HANDLER(BT_PROFILE_NOTIFICATION
, iwl_mvm_rx_bt_coex_notif
,
254 RX_HANDLER_ASYNC_LOCKED
),
255 RX_HANDLER(BEACON_NOTIFICATION
, iwl_mvm_rx_beacon_notif
,
256 RX_HANDLER_ASYNC_LOCKED
),
257 RX_HANDLER(STATISTICS_NOTIFICATION
, iwl_mvm_rx_statistics
,
258 RX_HANDLER_ASYNC_LOCKED
),
259 RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION
,
260 iwl_mvm_rx_ant_coupling_notif
, RX_HANDLER_ASYNC_LOCKED
),
262 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID
,
263 iwl_mvm_window_status_notif
, RX_HANDLER_SYNC
),
265 RX_HANDLER(TIME_EVENT_NOTIFICATION
, iwl_mvm_rx_time_event_notif
,
267 RX_HANDLER(MCC_CHUB_UPDATE_CMD
, iwl_mvm_rx_chub_update_mcc
,
268 RX_HANDLER_ASYNC_LOCKED
),
270 RX_HANDLER(EOSP_NOTIFICATION
, iwl_mvm_rx_eosp_notif
, RX_HANDLER_SYNC
),
272 RX_HANDLER(SCAN_ITERATION_COMPLETE
,
273 iwl_mvm_rx_lmac_scan_iter_complete_notif
, RX_HANDLER_SYNC
),
274 RX_HANDLER(SCAN_OFFLOAD_COMPLETE
,
275 iwl_mvm_rx_lmac_scan_complete_notif
,
276 RX_HANDLER_ASYNC_LOCKED
),
277 RX_HANDLER(MATCH_FOUND_NOTIFICATION
, iwl_mvm_rx_scan_match_found
,
279 RX_HANDLER(SCAN_COMPLETE_UMAC
, iwl_mvm_rx_umac_scan_complete_notif
,
280 RX_HANDLER_ASYNC_LOCKED
),
281 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC
,
282 iwl_mvm_rx_umac_scan_iter_complete_notif
, RX_HANDLER_SYNC
),
284 RX_HANDLER(CARD_STATE_NOTIFICATION
, iwl_mvm_rx_card_state_notif
,
287 RX_HANDLER(MISSED_BEACONS_NOTIFICATION
, iwl_mvm_rx_missed_beacons_notif
,
290 RX_HANDLER(REPLY_ERROR
, iwl_mvm_rx_fw_error
, RX_HANDLER_SYNC
),
291 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION
,
292 iwl_mvm_power_uapsd_misbehaving_ap_notif
, RX_HANDLER_SYNC
),
293 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION
, iwl_mvm_temp_notif
,
294 RX_HANDLER_ASYNC_LOCKED
),
295 RX_HANDLER_GRP(PHY_OPS_GROUP
, DTS_MEASUREMENT_NOTIF_WIDE
,
296 iwl_mvm_temp_notif
, RX_HANDLER_ASYNC_UNLOCKED
),
297 RX_HANDLER_GRP(PHY_OPS_GROUP
, CT_KILL_NOTIFICATION
,
298 iwl_mvm_ct_kill_notif
, RX_HANDLER_SYNC
),
300 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION
, iwl_mvm_rx_tdls_notif
,
301 RX_HANDLER_ASYNC_LOCKED
),
302 RX_HANDLER(MFUART_LOAD_NOTIFICATION
, iwl_mvm_rx_mfuart_notif
,
304 RX_HANDLER(TOF_NOTIFICATION
, iwl_mvm_tof_resp_handler
,
305 RX_HANDLER_ASYNC_LOCKED
),
306 RX_HANDLER_GRP(DEBUG_GROUP
, MFU_ASSERT_DUMP_NTF
,
307 iwl_mvm_mfu_assert_dump_notif
, RX_HANDLER_SYNC
),
308 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP
, STORED_BEACON_NTF
,
309 iwl_mvm_rx_stored_beacon_notif
, RX_HANDLER_SYNC
),
310 RX_HANDLER_GRP(DATA_PATH_GROUP
, MU_GROUP_MGMT_NOTIF
,
311 iwl_mvm_mu_mimo_grp_notif
, RX_HANDLER_SYNC
),
312 RX_HANDLER_GRP(DATA_PATH_GROUP
, STA_PM_NOTIF
,
313 iwl_mvm_sta_pm_notif
, RX_HANDLER_SYNC
),
316 #undef RX_HANDLER_GRP
318 /* Please keep this array *SORTED* by hex value.
319 * Access is done through binary search
321 static const struct iwl_hcmd_names iwl_mvm_legacy_names
[] = {
322 HCMD_NAME(MVM_ALIVE
),
323 HCMD_NAME(REPLY_ERROR
),
325 HCMD_NAME(INIT_COMPLETE_NOTIF
),
326 HCMD_NAME(PHY_CONTEXT_CMD
),
328 HCMD_NAME(ANTENNA_COUPLING_NOTIFICATION
),
329 HCMD_NAME(SCAN_CFG_CMD
),
330 HCMD_NAME(SCAN_REQ_UMAC
),
331 HCMD_NAME(SCAN_ABORT_UMAC
),
332 HCMD_NAME(SCAN_COMPLETE_UMAC
),
334 HCMD_NAME(TOF_NOTIFICATION
),
335 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID
),
336 HCMD_NAME(ADD_STA_KEY
),
338 HCMD_NAME(REMOVE_STA
),
339 HCMD_NAME(FW_GET_ITEM_CMD
),
341 HCMD_NAME(SCD_QUEUE_CFG
),
342 HCMD_NAME(TXPATH_FLUSH
),
343 HCMD_NAME(MGMT_MCAST_KEY
),
345 HCMD_NAME(SHARED_MEM_CFG
),
346 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD
),
347 HCMD_NAME(MAC_CONTEXT_CMD
),
348 HCMD_NAME(TIME_EVENT_CMD
),
349 HCMD_NAME(TIME_EVENT_NOTIFICATION
),
350 HCMD_NAME(BINDING_CONTEXT_CMD
),
351 HCMD_NAME(TIME_QUOTA_CMD
),
352 HCMD_NAME(NON_QOS_TX_COUNTER_CMD
),
354 HCMD_NAME(FW_PAGING_BLOCK_CMD
),
355 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD
),
356 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD
),
357 HCMD_NAME(HOT_SPOT_CMD
),
358 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD
),
359 HCMD_NAME(BT_COEX_UPDATE_CORUN_LUT
),
360 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP
),
361 HCMD_NAME(BT_COEX_CI
),
362 HCMD_NAME(PHY_CONFIGURATION_CMD
),
363 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB
),
364 HCMD_NAME(PHY_DB_CMD
),
365 HCMD_NAME(SCAN_OFFLOAD_COMPLETE
),
366 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD
),
367 HCMD_NAME(POWER_TABLE_CMD
),
368 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION
),
369 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF
),
370 HCMD_NAME(DC2DC_CONFIG_CMD
),
371 HCMD_NAME(NVM_ACCESS_CMD
),
372 HCMD_NAME(BEACON_NOTIFICATION
),
373 HCMD_NAME(BEACON_TEMPLATE_CMD
),
374 HCMD_NAME(TX_ANT_CONFIGURATION_CMD
),
375 HCMD_NAME(BT_CONFIG
),
376 HCMD_NAME(STATISTICS_CMD
),
377 HCMD_NAME(STATISTICS_NOTIFICATION
),
378 HCMD_NAME(EOSP_NOTIFICATION
),
379 HCMD_NAME(REDUCE_TX_POWER_CMD
),
380 HCMD_NAME(CARD_STATE_NOTIFICATION
),
381 HCMD_NAME(MISSED_BEACONS_NOTIFICATION
),
382 HCMD_NAME(TDLS_CONFIG_CMD
),
383 HCMD_NAME(MAC_PM_POWER_TABLE
),
384 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION
),
385 HCMD_NAME(MFUART_LOAD_NOTIFICATION
),
386 HCMD_NAME(RSS_CONFIG_CMD
),
387 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC
),
388 HCMD_NAME(REPLY_RX_PHY_CMD
),
389 HCMD_NAME(REPLY_RX_MPDU_CMD
),
391 HCMD_NAME(MCC_UPDATE_CMD
),
392 HCMD_NAME(MCC_CHUB_UPDATE_CMD
),
393 HCMD_NAME(MARKER_CMD
),
394 HCMD_NAME(BT_PROFILE_NOTIFICATION
),
395 HCMD_NAME(BCAST_FILTER_CMD
),
396 HCMD_NAME(MCAST_FILTER_CMD
),
397 HCMD_NAME(REPLY_SF_CFG_CMD
),
398 HCMD_NAME(REPLY_BEACON_FILTERING_CMD
),
399 HCMD_NAME(D3_CONFIG_CMD
),
400 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD
),
401 HCMD_NAME(OFFLOADS_QUERY_CMD
),
402 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD
),
403 HCMD_NAME(MATCH_FOUND_NOTIFICATION
),
404 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION
),
405 HCMD_NAME(WOWLAN_PATTERNS
),
406 HCMD_NAME(WOWLAN_CONFIGURATION
),
407 HCMD_NAME(WOWLAN_TSC_RSC_PARAM
),
408 HCMD_NAME(WOWLAN_TKIP_PARAM
),
409 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL
),
410 HCMD_NAME(WOWLAN_GET_STATUSES
),
411 HCMD_NAME(SCAN_ITERATION_COMPLETE
),
412 HCMD_NAME(D0I3_END_CMD
),
413 HCMD_NAME(LTR_CONFIG
),
416 /* Please keep this array *SORTED* by hex value.
417 * Access is done through binary search
419 static const struct iwl_hcmd_names iwl_mvm_system_names
[] = {
420 HCMD_NAME(SHARED_MEM_CFG_CMD
),
421 HCMD_NAME(INIT_EXTENDED_CFG_CMD
),
424 /* Please keep this array *SORTED* by hex value.
425 * Access is done through binary search
427 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names
[] = {
428 HCMD_NAME(LINK_QUALITY_MEASUREMENT_CMD
),
429 HCMD_NAME(LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF
),
430 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF
),
433 /* Please keep this array *SORTED* by hex value.
434 * Access is done through binary search
436 static const struct iwl_hcmd_names iwl_mvm_phy_names
[] = {
437 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE
),
438 HCMD_NAME(CTDP_CONFIG_CMD
),
439 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD
),
440 HCMD_NAME(GEO_TX_POWER_LIMIT
),
441 HCMD_NAME(CT_KILL_NOTIFICATION
),
442 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE
),
445 /* Please keep this array *SORTED* by hex value.
446 * Access is done through binary search
448 static const struct iwl_hcmd_names iwl_mvm_data_path_names
[] = {
449 HCMD_NAME(DQA_ENABLE_CMD
),
450 HCMD_NAME(UPDATE_MU_GROUPS_CMD
),
451 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD
),
452 HCMD_NAME(STA_PM_NOTIF
),
453 HCMD_NAME(MU_GROUP_MGMT_NOTIF
),
454 HCMD_NAME(RX_QUEUES_NOTIFICATION
),
457 /* Please keep this array *SORTED* by hex value.
458 * Access is done through binary search
460 static const struct iwl_hcmd_names iwl_mvm_debug_names
[] = {
461 HCMD_NAME(MFU_ASSERT_DUMP_NTF
),
464 /* Please keep this array *SORTED* by hex value.
465 * Access is done through binary search
467 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names
[] = {
468 HCMD_NAME(STORED_BEACON_NTF
),
471 /* Please keep this array *SORTED* by hex value.
472 * Access is done through binary search
474 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names
[] = {
475 HCMD_NAME(NVM_ACCESS_COMPLETE
),
476 HCMD_NAME(NVM_GET_INFO
),
479 static const struct iwl_hcmd_arr iwl_mvm_groups
[] = {
480 [LEGACY_GROUP
] = HCMD_ARR(iwl_mvm_legacy_names
),
481 [LONG_GROUP
] = HCMD_ARR(iwl_mvm_legacy_names
),
482 [SYSTEM_GROUP
] = HCMD_ARR(iwl_mvm_system_names
),
483 [MAC_CONF_GROUP
] = HCMD_ARR(iwl_mvm_mac_conf_names
),
484 [PHY_OPS_GROUP
] = HCMD_ARR(iwl_mvm_phy_names
),
485 [DATA_PATH_GROUP
] = HCMD_ARR(iwl_mvm_data_path_names
),
486 [PROT_OFFLOAD_GROUP
] = HCMD_ARR(iwl_mvm_prot_offload_names
),
487 [REGULATORY_AND_NVM_GROUP
] =
488 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names
),
491 /* this forward declaration can avoid to export the function */
492 static void iwl_mvm_async_handlers_wk(struct work_struct
*wk
);
493 static void iwl_mvm_d0i3_exit_work(struct work_struct
*wk
);
495 static u32
calc_min_backoff(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
)
497 const struct iwl_pwr_tx_backoff
*pwr_tx_backoff
= cfg
->pwr_tx_backoffs
;
502 while (pwr_tx_backoff
->pwr
) {
503 if (trans
->dflt_pwr_limit
>= pwr_tx_backoff
->pwr
)
504 return pwr_tx_backoff
->backoff
;
512 static void iwl_mvm_tx_unblock_dwork(struct work_struct
*work
)
514 struct iwl_mvm
*mvm
=
515 container_of(work
, struct iwl_mvm
, cs_tx_unblock_dwork
.work
);
516 struct ieee80211_vif
*tx_blocked_vif
;
517 struct iwl_mvm_vif
*mvmvif
;
519 mutex_lock(&mvm
->mutex
);
522 rcu_dereference_protected(mvm
->csa_tx_blocked_vif
,
523 lockdep_is_held(&mvm
->mutex
));
528 mvmvif
= iwl_mvm_vif_from_mac80211(tx_blocked_vif
);
529 iwl_mvm_modify_all_sta_disable_tx(mvm
, mvmvif
, false);
530 RCU_INIT_POINTER(mvm
->csa_tx_blocked_vif
, NULL
);
532 mutex_unlock(&mvm
->mutex
);
535 static int iwl_mvm_fwrt_dump_start(void *ctx
)
537 struct iwl_mvm
*mvm
= ctx
;
540 ret
= iwl_mvm_ref_sync(mvm
, IWL_MVM_REF_FW_DBG_COLLECT
);
544 mutex_lock(&mvm
->mutex
);
549 static void iwl_mvm_fwrt_dump_end(void *ctx
)
551 struct iwl_mvm
*mvm
= ctx
;
553 mutex_unlock(&mvm
->mutex
);
555 iwl_mvm_unref(mvm
, IWL_MVM_REF_FW_DBG_COLLECT
);
558 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops
= {
559 .dump_start
= iwl_mvm_fwrt_dump_start
,
560 .dump_end
= iwl_mvm_fwrt_dump_end
,
563 static struct iwl_op_mode
*
564 iwl_op_mode_mvm_start(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
,
565 const struct iwl_fw
*fw
, struct dentry
*dbgfs_dir
)
567 struct ieee80211_hw
*hw
;
568 struct iwl_op_mode
*op_mode
;
570 struct iwl_trans_config trans_cfg
= {};
571 static const u8 no_reclaim_cmds
[] = {
578 * We use IWL_MVM_STATION_COUNT to check the validity of the station
579 * index all over the driver - check that its value corresponds to the
582 BUILD_BUG_ON(ARRAY_SIZE(mvm
->fw_id_to_mac_id
) != IWL_MVM_STATION_COUNT
);
584 /********************************
585 * 1. Allocating and configuring HW data
586 ********************************/
587 hw
= ieee80211_alloc_hw(sizeof(struct iwl_op_mode
) +
588 sizeof(struct iwl_mvm
),
593 if (cfg
->max_rx_agg_size
)
594 hw
->max_rx_aggregation_subframes
= cfg
->max_rx_agg_size
;
596 if (cfg
->max_tx_agg_size
)
597 hw
->max_tx_aggregation_subframes
= cfg
->max_tx_agg_size
;
601 mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
602 mvm
->dev
= trans
->dev
;
608 iwl_fw_runtime_init(&mvm
->fwrt
, trans
, fw
, &iwl_mvm_fwrt_ops
, mvm
);
610 mvm
->init_status
= 0;
612 if (iwl_mvm_has_new_rx_api(mvm
)) {
613 op_mode
->ops
= &iwl_mvm_ops_mq
;
614 trans
->rx_mpdu_cmd_hdr_size
= sizeof(struct iwl_rx_mpdu_desc
);
616 op_mode
->ops
= &iwl_mvm_ops
;
617 trans
->rx_mpdu_cmd_hdr_size
=
618 sizeof(struct iwl_rx_mpdu_res_start
);
620 if (WARN_ON(trans
->num_rx_queues
> 1))
624 mvm
->fw_restart
= iwlwifi_mod_params
.fw_restart
? -1 : 0;
626 if (!iwl_mvm_is_dqa_supported(mvm
)) {
627 mvm
->last_agg_queue
= mvm
->cfg
->base_params
->num_of_queues
- 1;
629 if (mvm
->cfg
->base_params
->num_of_queues
== 16) {
631 mvm
->first_agg_queue
= 12;
632 BUILD_BUG_ON(BITS_PER_BYTE
*
633 sizeof(mvm
->hw_queue_to_mac80211
[0]) < 12);
636 mvm
->first_agg_queue
= 16;
637 BUILD_BUG_ON(BITS_PER_BYTE
*
638 sizeof(mvm
->hw_queue_to_mac80211
[0]) < 16);
641 mvm
->aux_queue
= IWL_MVM_DQA_AUX_QUEUE
;
642 mvm
->probe_queue
= IWL_MVM_DQA_AP_PROBE_RESP_QUEUE
;
643 mvm
->p2p_dev_queue
= IWL_MVM_DQA_P2P_DEVICE_QUEUE
;
644 mvm
->first_agg_queue
= IWL_MVM_DQA_MIN_DATA_QUEUE
;
645 mvm
->last_agg_queue
= IWL_MVM_DQA_MAX_DATA_QUEUE
;
647 mvm
->sf_state
= SF_UNINIT
;
648 if (iwl_mvm_has_new_tx_api(mvm
))
649 iwl_fw_set_current_image(&mvm
->fwrt
, IWL_UCODE_REGULAR
);
651 iwl_fw_set_current_image(&mvm
->fwrt
, IWL_UCODE_INIT
);
652 mvm
->drop_bcn_ap_mode
= true;
654 mutex_init(&mvm
->mutex
);
655 mutex_init(&mvm
->d0i3_suspend_mutex
);
656 spin_lock_init(&mvm
->async_handlers_lock
);
657 INIT_LIST_HEAD(&mvm
->time_event_list
);
658 INIT_LIST_HEAD(&mvm
->aux_roc_te_list
);
659 INIT_LIST_HEAD(&mvm
->async_handlers_list
);
660 spin_lock_init(&mvm
->time_event_lock
);
661 spin_lock_init(&mvm
->queue_info_lock
);
663 INIT_WORK(&mvm
->async_handlers_wk
, iwl_mvm_async_handlers_wk
);
664 INIT_WORK(&mvm
->roc_done_wk
, iwl_mvm_roc_done_wk
);
665 INIT_WORK(&mvm
->sta_drained_wk
, iwl_mvm_sta_drained_wk
);
666 INIT_WORK(&mvm
->d0i3_exit_work
, iwl_mvm_d0i3_exit_work
);
667 INIT_DELAYED_WORK(&mvm
->tdls_cs
.dwork
, iwl_mvm_tdls_ch_switch_work
);
668 INIT_DELAYED_WORK(&mvm
->scan_timeout_dwork
, iwl_mvm_scan_timeout_wk
);
669 INIT_WORK(&mvm
->add_stream_wk
, iwl_mvm_add_new_dqa_stream_wk
);
671 spin_lock_init(&mvm
->d0i3_tx_lock
);
672 spin_lock_init(&mvm
->refs_lock
);
673 skb_queue_head_init(&mvm
->d0i3_tx
);
674 init_waitqueue_head(&mvm
->d0i3_exit_waitq
);
675 init_waitqueue_head(&mvm
->rx_sync_waitq
);
677 atomic_set(&mvm
->queue_sync_counter
, 0);
679 SET_IEEE80211_DEV(mvm
->hw
, mvm
->trans
->dev
);
681 INIT_DELAYED_WORK(&mvm
->cs_tx_unblock_dwork
, iwl_mvm_tx_unblock_dwork
);
684 * Populate the state variables that the transport layer needs
687 trans_cfg
.op_mode
= op_mode
;
688 trans_cfg
.no_reclaim_cmds
= no_reclaim_cmds
;
689 trans_cfg
.n_no_reclaim_cmds
= ARRAY_SIZE(no_reclaim_cmds
);
690 switch (iwlwifi_mod_params
.amsdu_size
) {
693 trans_cfg
.rx_buf_size
= IWL_AMSDU_4K
;
696 trans_cfg
.rx_buf_size
= IWL_AMSDU_8K
;
699 trans_cfg
.rx_buf_size
= IWL_AMSDU_12K
;
702 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME
,
703 iwlwifi_mod_params
.amsdu_size
);
704 trans_cfg
.rx_buf_size
= IWL_AMSDU_4K
;
707 /* the hardware splits the A-MSDU */
708 if (mvm
->cfg
->mq_rx_supported
)
709 trans_cfg
.rx_buf_size
= IWL_AMSDU_4K
;
711 trans
->wide_cmd_header
= true;
712 trans_cfg
.bc_table_dword
= true;
714 trans_cfg
.command_groups
= iwl_mvm_groups
;
715 trans_cfg
.command_groups_size
= ARRAY_SIZE(iwl_mvm_groups
);
717 if (iwl_mvm_is_dqa_supported(mvm
))
718 trans_cfg
.cmd_queue
= IWL_MVM_DQA_CMD_QUEUE
;
720 trans_cfg
.cmd_queue
= IWL_MVM_CMD_QUEUE
;
721 trans_cfg
.cmd_fifo
= IWL_MVM_TX_FIFO_CMD
;
722 trans_cfg
.scd_set_active
= true;
724 trans_cfg
.cb_data_offs
= offsetof(struct ieee80211_tx_info
,
727 trans_cfg
.sdio_adma_addr
= fw
->sdio_adma_addr
;
728 trans_cfg
.sw_csum_tx
= IWL_MVM_SW_TX_CSUM_OFFLOAD
;
730 /* Set a short watchdog for the command queue */
731 trans_cfg
.cmd_q_wdg_timeout
=
732 iwl_mvm_get_wd_timeout(mvm
, NULL
, false, true);
734 snprintf(mvm
->hw
->wiphy
->fw_version
,
735 sizeof(mvm
->hw
->wiphy
->fw_version
),
736 "%s", fw
->fw_version
);
738 /* Configure transport layer */
739 iwl_trans_configure(mvm
->trans
, &trans_cfg
);
741 trans
->rx_mpdu_cmd
= REPLY_RX_MPDU_CMD
;
742 trans
->dbg_dest_tlv
= mvm
->fw
->dbg_dest_tlv
;
743 trans
->dbg_dest_reg_num
= mvm
->fw
->dbg_dest_reg_num
;
744 memcpy(trans
->dbg_conf_tlv
, mvm
->fw
->dbg_conf_tlv
,
745 sizeof(trans
->dbg_conf_tlv
));
746 trans
->dbg_trigger_tlv
= mvm
->fw
->dbg_trigger_tlv
;
748 /* set up notification wait support */
749 iwl_notification_wait_init(&mvm
->notif_wait
);
752 mvm
->phy_db
= iwl_phy_db_init(trans
);
754 IWL_ERR(mvm
, "Cannot init phy_db\n");
758 IWL_INFO(mvm
, "Detected %s, REV=0x%X\n",
759 mvm
->cfg
->name
, mvm
->trans
->hw_rev
);
761 if (iwlwifi_mod_params
.nvm_file
)
762 mvm
->nvm_file_name
= iwlwifi_mod_params
.nvm_file
;
764 IWL_DEBUG_EEPROM(mvm
->trans
->dev
,
765 "working without external nvm file\n");
767 err
= iwl_trans_start_hw(mvm
->trans
);
771 mutex_lock(&mvm
->mutex
);
772 iwl_mvm_ref(mvm
, IWL_MVM_REF_INIT_UCODE
);
773 err
= iwl_run_init_mvm_ucode(mvm
, true);
774 if (!iwlmvm_mod_params
.init_dbg
)
775 iwl_mvm_stop_device(mvm
);
776 iwl_mvm_unref(mvm
, IWL_MVM_REF_INIT_UCODE
);
777 mutex_unlock(&mvm
->mutex
);
778 /* returns 0 if successful, 1 if success but in rfkill */
780 IWL_ERR(mvm
, "Failed to run INIT ucode: %d\n", err
);
784 scan_size
= iwl_mvm_scan_size(mvm
);
786 mvm
->scan_cmd
= kmalloc(scan_size
, GFP_KERNEL
);
790 /* Set EBS as successful as long as not stated otherwise by the FW. */
791 mvm
->last_ebs_successful
= true;
793 err
= iwl_mvm_mac_setup_register(mvm
);
796 mvm
->hw_registered
= true;
798 min_backoff
= calc_min_backoff(trans
, cfg
);
799 iwl_mvm_thermal_initialize(mvm
, min_backoff
);
801 err
= iwl_mvm_dbgfs_register(mvm
, dbgfs_dir
);
805 if (!iwl_mvm_has_new_rx_stats_api(mvm
))
806 memset(&mvm
->rx_stats_v3
, 0,
807 sizeof(struct mvm_statistics_rx_v3
));
809 memset(&mvm
->rx_stats
, 0, sizeof(struct mvm_statistics_rx
));
811 /* The transport always starts with a taken reference, we can
812 * release it now if d0i3 is supported */
813 if (iwl_mvm_is_d0i3_supported(mvm
))
814 iwl_trans_unref(mvm
->trans
);
816 iwl_mvm_tof_init(mvm
);
821 if (iwlmvm_mod_params
.init_dbg
)
824 ieee80211_unregister_hw(mvm
->hw
);
825 mvm
->hw_registered
= false;
826 iwl_mvm_leds_exit(mvm
);
827 iwl_mvm_thermal_exit(mvm
);
829 iwl_fw_flush_dump(&mvm
->fwrt
);
831 if (iwlmvm_mod_params
.init_dbg
)
833 iwl_phy_db_free(mvm
->phy_db
);
834 kfree(mvm
->scan_cmd
);
835 iwl_trans_op_mode_leave(trans
);
837 ieee80211_free_hw(mvm
->hw
);
841 static void iwl_op_mode_mvm_stop(struct iwl_op_mode
*op_mode
)
843 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
846 /* If d0i3 is supported, we have released the reference that
847 * the transport started with, so we should take it back now
848 * that we are leaving.
850 if (iwl_mvm_is_d0i3_supported(mvm
))
851 iwl_trans_ref(mvm
->trans
);
853 iwl_mvm_leds_exit(mvm
);
855 iwl_mvm_thermal_exit(mvm
);
857 if (mvm
->init_status
& IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
) {
858 ieee80211_unregister_hw(mvm
->hw
);
859 mvm
->init_status
&= ~IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE
;
862 kfree(mvm
->scan_cmd
);
863 kfree(mvm
->mcast_filter_cmd
);
864 mvm
->mcast_filter_cmd
= NULL
;
866 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
867 kfree(mvm
->d3_resume_sram
);
870 iwl_trans_op_mode_leave(mvm
->trans
);
872 iwl_phy_db_free(mvm
->phy_db
);
875 kfree(mvm
->nvm_data
);
876 for (i
= 0; i
< NVM_MAX_NUM_SECTIONS
; i
++)
877 kfree(mvm
->nvm_sections
[i
].data
);
879 iwl_mvm_tof_clean(mvm
);
881 mutex_destroy(&mvm
->mutex
);
882 mutex_destroy(&mvm
->d0i3_suspend_mutex
);
884 ieee80211_free_hw(mvm
->hw
);
887 struct iwl_async_handler_entry
{
888 struct list_head list
;
889 struct iwl_rx_cmd_buffer rxb
;
890 enum iwl_rx_handler_context context
;
891 void (*fn
)(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
);
894 void iwl_mvm_async_handlers_purge(struct iwl_mvm
*mvm
)
896 struct iwl_async_handler_entry
*entry
, *tmp
;
898 spin_lock_bh(&mvm
->async_handlers_lock
);
899 list_for_each_entry_safe(entry
, tmp
, &mvm
->async_handlers_list
, list
) {
900 iwl_free_rxb(&entry
->rxb
);
901 list_del(&entry
->list
);
904 spin_unlock_bh(&mvm
->async_handlers_lock
);
907 static void iwl_mvm_async_handlers_wk(struct work_struct
*wk
)
909 struct iwl_mvm
*mvm
=
910 container_of(wk
, struct iwl_mvm
, async_handlers_wk
);
911 struct iwl_async_handler_entry
*entry
, *tmp
;
912 LIST_HEAD(local_list
);
914 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
917 * Sync with Rx path with a lock. Remove all the entries from this list,
918 * add them to a local one (lock free), and then handle them.
920 spin_lock_bh(&mvm
->async_handlers_lock
);
921 list_splice_init(&mvm
->async_handlers_list
, &local_list
);
922 spin_unlock_bh(&mvm
->async_handlers_lock
);
924 list_for_each_entry_safe(entry
, tmp
, &local_list
, list
) {
925 if (entry
->context
== RX_HANDLER_ASYNC_LOCKED
)
926 mutex_lock(&mvm
->mutex
);
927 entry
->fn(mvm
, &entry
->rxb
);
928 iwl_free_rxb(&entry
->rxb
);
929 list_del(&entry
->list
);
930 if (entry
->context
== RX_HANDLER_ASYNC_LOCKED
)
931 mutex_unlock(&mvm
->mutex
);
936 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm
*mvm
,
937 struct iwl_rx_packet
*pkt
)
939 struct iwl_fw_dbg_trigger_tlv
*trig
;
940 struct iwl_fw_dbg_trigger_cmd
*cmds_trig
;
943 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_FW_NOTIF
))
946 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_FW_NOTIF
);
947 cmds_trig
= (void *)trig
->data
;
949 if (!iwl_fw_dbg_trigger_check_stop(&mvm
->fwrt
, NULL
, trig
))
952 for (i
= 0; i
< ARRAY_SIZE(cmds_trig
->cmds
); i
++) {
953 /* don't collect on CMD 0 */
954 if (!cmds_trig
->cmds
[i
].cmd_id
)
957 if (cmds_trig
->cmds
[i
].cmd_id
!= pkt
->hdr
.cmd
||
958 cmds_trig
->cmds
[i
].group_id
!= pkt
->hdr
.group_id
)
961 iwl_fw_dbg_collect_trig(&mvm
->fwrt
, trig
,
962 "CMD 0x%02x.%02x received",
963 pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
968 static void iwl_mvm_rx_common(struct iwl_mvm
*mvm
,
969 struct iwl_rx_cmd_buffer
*rxb
,
970 struct iwl_rx_packet
*pkt
)
974 iwl_mvm_rx_check_trigger(mvm
, pkt
);
977 * Do the notification wait before RX handlers so
978 * even if the RX handler consumes the RXB we have
979 * access to it in the notification wait entry.
981 iwl_notification_wait_notify(&mvm
->notif_wait
, pkt
);
983 for (i
= 0; i
< ARRAY_SIZE(iwl_mvm_rx_handlers
); i
++) {
984 const struct iwl_rx_handlers
*rx_h
= &iwl_mvm_rx_handlers
[i
];
985 struct iwl_async_handler_entry
*entry
;
987 if (rx_h
->cmd_id
!= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
))
990 if (rx_h
->context
== RX_HANDLER_SYNC
) {
995 entry
= kzalloc(sizeof(*entry
), GFP_ATOMIC
);
996 /* we can't do much... */
1000 entry
->rxb
._page
= rxb_steal_page(rxb
);
1001 entry
->rxb
._offset
= rxb
->_offset
;
1002 entry
->rxb
._rx_page_order
= rxb
->_rx_page_order
;
1003 entry
->fn
= rx_h
->fn
;
1004 entry
->context
= rx_h
->context
;
1005 spin_lock(&mvm
->async_handlers_lock
);
1006 list_add_tail(&entry
->list
, &mvm
->async_handlers_list
);
1007 spin_unlock(&mvm
->async_handlers_lock
);
1008 schedule_work(&mvm
->async_handlers_wk
);
1013 static void iwl_mvm_rx(struct iwl_op_mode
*op_mode
,
1014 struct napi_struct
*napi
,
1015 struct iwl_rx_cmd_buffer
*rxb
)
1017 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1018 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1019 u16 cmd
= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
1021 if (likely(cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
)))
1022 iwl_mvm_rx_rx_mpdu(mvm
, napi
, rxb
);
1023 else if (cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_PHY_CMD
))
1024 iwl_mvm_rx_rx_phy_cmd(mvm
, rxb
);
1026 iwl_mvm_rx_common(mvm
, rxb
, pkt
);
1029 static void iwl_mvm_rx_mq(struct iwl_op_mode
*op_mode
,
1030 struct napi_struct
*napi
,
1031 struct iwl_rx_cmd_buffer
*rxb
)
1033 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1034 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1035 u16 cmd
= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
1037 if (likely(cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
)))
1038 iwl_mvm_rx_mpdu_mq(mvm
, napi
, rxb
, 0);
1039 else if (unlikely(cmd
== WIDE_ID(DATA_PATH_GROUP
,
1040 RX_QUEUES_NOTIFICATION
)))
1041 iwl_mvm_rx_queue_notif(mvm
, rxb
, 0);
1042 else if (cmd
== WIDE_ID(LEGACY_GROUP
, FRAME_RELEASE
))
1043 iwl_mvm_rx_frame_release(mvm
, napi
, rxb
, 0);
1045 iwl_mvm_rx_common(mvm
, rxb
, pkt
);
1048 void iwl_mvm_stop_mac_queues(struct iwl_mvm
*mvm
, unsigned long mq
)
1052 if (WARN_ON_ONCE(!mq
))
1055 for_each_set_bit(q
, &mq
, IEEE80211_MAX_QUEUES
) {
1056 if (atomic_inc_return(&mvm
->mac80211_queue_stop_count
[q
]) > 1) {
1057 IWL_DEBUG_TX_QUEUES(mvm
,
1058 "mac80211 %d already stopped\n", q
);
1062 ieee80211_stop_queue(mvm
->hw
, q
);
1066 static void iwl_mvm_async_cb(struct iwl_op_mode
*op_mode
,
1067 const struct iwl_device_cmd
*cmd
)
1069 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1072 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1073 * commands that need to block the Tx queues.
1075 iwl_trans_block_txq_ptrs(mvm
->trans
, false);
1078 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode
*op_mode
, int hw_queue
)
1080 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1083 spin_lock_bh(&mvm
->queue_info_lock
);
1084 mq
= mvm
->hw_queue_to_mac80211
[hw_queue
];
1085 spin_unlock_bh(&mvm
->queue_info_lock
);
1087 iwl_mvm_stop_mac_queues(mvm
, mq
);
1090 void iwl_mvm_start_mac_queues(struct iwl_mvm
*mvm
, unsigned long mq
)
1094 if (WARN_ON_ONCE(!mq
))
1097 for_each_set_bit(q
, &mq
, IEEE80211_MAX_QUEUES
) {
1098 if (atomic_dec_return(&mvm
->mac80211_queue_stop_count
[q
]) > 0) {
1099 IWL_DEBUG_TX_QUEUES(mvm
,
1100 "mac80211 %d still stopped\n", q
);
1104 ieee80211_wake_queue(mvm
->hw
, q
);
1108 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode
*op_mode
, int hw_queue
)
1110 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1113 spin_lock_bh(&mvm
->queue_info_lock
);
1114 mq
= mvm
->hw_queue_to_mac80211
[hw_queue
];
1115 spin_unlock_bh(&mvm
->queue_info_lock
);
1117 iwl_mvm_start_mac_queues(mvm
, mq
);
1120 static void iwl_mvm_set_rfkill_state(struct iwl_mvm
*mvm
)
1122 bool state
= iwl_mvm_is_radio_killed(mvm
);
1125 wake_up(&mvm
->rx_sync_waitq
);
1127 wiphy_rfkill_set_hw_state(mvm
->hw
->wiphy
, state
);
1130 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm
*mvm
, bool state
)
1133 set_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
1135 clear_bit(IWL_MVM_STATUS_HW_CTKILL
, &mvm
->status
);
1137 iwl_mvm_set_rfkill_state(mvm
);
1140 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode
*op_mode
, bool state
)
1142 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1143 bool calibrating
= ACCESS_ONCE(mvm
->calibrating
);
1146 set_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
);
1148 clear_bit(IWL_MVM_STATUS_HW_RFKILL
, &mvm
->status
);
1150 iwl_mvm_set_rfkill_state(mvm
);
1152 /* iwl_run_init_mvm_ucode is waiting for results, abort it */
1154 iwl_abort_notification_waits(&mvm
->notif_wait
);
1157 * Stop the device if we run OPERATIONAL firmware or if we are in the
1158 * middle of the calibrations.
1160 return state
&& (mvm
->fwrt
.cur_fw_img
!= IWL_UCODE_INIT
|| calibrating
);
1163 static void iwl_mvm_free_skb(struct iwl_op_mode
*op_mode
, struct sk_buff
*skb
)
1165 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1166 struct ieee80211_tx_info
*info
;
1168 info
= IEEE80211_SKB_CB(skb
);
1169 iwl_trans_free_tx_cmd(mvm
->trans
, info
->driver_data
[1]);
1170 ieee80211_free_txskb(mvm
->hw
, skb
);
1173 struct iwl_mvm_reprobe
{
1175 struct work_struct work
;
1178 static void iwl_mvm_reprobe_wk(struct work_struct
*wk
)
1180 struct iwl_mvm_reprobe
*reprobe
;
1182 reprobe
= container_of(wk
, struct iwl_mvm_reprobe
, work
);
1183 if (device_reprobe(reprobe
->dev
))
1184 dev_err(reprobe
->dev
, "reprobe failed!\n");
1186 module_put(THIS_MODULE
);
1189 void iwl_mvm_nic_restart(struct iwl_mvm
*mvm
, bool fw_error
)
1191 iwl_abort_notification_waits(&mvm
->notif_wait
);
1194 * This is a bit racy, but worst case we tell mac80211 about
1195 * a stopped/aborted scan when that was already done which
1196 * is not a problem. It is necessary to abort any os scan
1197 * here because mac80211 requires having the scan cleared
1198 * before restarting.
1199 * We'll reset the scan_status to NONE in restart cleanup in
1200 * the next start() call from mac80211. If restart isn't called
1201 * (no fw restart) scan status will stay busy.
1203 iwl_mvm_report_scan_aborted(mvm
);
1206 * If we're restarting already, don't cycle restarts.
1207 * If INIT fw asserted, it will likely fail again.
1208 * If WoWLAN fw asserted, don't restart either, mac80211
1209 * can't recover this since we're already half suspended.
1211 if (!mvm
->fw_restart
&& fw_error
) {
1212 iwl_fw_dbg_collect_desc(&mvm
->fwrt
, &iwl_dump_desc_assert
,
1214 } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART
,
1216 struct iwl_mvm_reprobe
*reprobe
;
1219 "Firmware error during reconfiguration - reprobe!\n");
1222 * get a module reference to avoid doing this while unloading
1223 * anyway and to avoid scheduling a work with code that's
1226 if (!try_module_get(THIS_MODULE
)) {
1227 IWL_ERR(mvm
, "Module is being unloaded - abort\n");
1231 reprobe
= kzalloc(sizeof(*reprobe
), GFP_ATOMIC
);
1233 module_put(THIS_MODULE
);
1236 reprobe
->dev
= mvm
->trans
->dev
;
1237 INIT_WORK(&reprobe
->work
, iwl_mvm_reprobe_wk
);
1238 schedule_work(&reprobe
->work
);
1239 } else if (mvm
->fwrt
.cur_fw_img
== IWL_UCODE_REGULAR
&&
1240 mvm
->hw_registered
) {
1241 /* don't let the transport/FW power down */
1242 iwl_mvm_ref(mvm
, IWL_MVM_REF_UCODE_DOWN
);
1244 if (fw_error
&& mvm
->fw_restart
> 0)
1246 ieee80211_restart_hw(mvm
->hw
);
1250 static void iwl_mvm_nic_error(struct iwl_op_mode
*op_mode
)
1252 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1254 iwl_mvm_dump_nic_error_log(mvm
);
1256 iwl_mvm_nic_restart(mvm
, true);
1259 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode
*op_mode
)
1261 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1264 iwl_mvm_nic_restart(mvm
, true);
1267 struct iwl_d0i3_iter_data
{
1268 struct iwl_mvm
*mvm
;
1269 struct ieee80211_vif
*connected_vif
;
1273 bool disable_offloading
;
1276 static bool iwl_mvm_disallow_offloading(struct iwl_mvm
*mvm
,
1277 struct ieee80211_vif
*vif
,
1278 struct iwl_d0i3_iter_data
*iter_data
)
1280 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1281 struct iwl_mvm_sta
*mvmsta
;
1282 u32 available_tids
= 0;
1285 if (WARN_ON(vif
->type
!= NL80211_IFTYPE_STATION
||
1286 mvmvif
->ap_sta_id
== IWL_MVM_INVALID_STA
))
1289 mvmsta
= iwl_mvm_sta_from_staid_rcu(mvm
, mvmvif
->ap_sta_id
);
1293 spin_lock_bh(&mvmsta
->lock
);
1294 for (tid
= 0; tid
< IWL_MAX_TID_COUNT
; tid
++) {
1295 struct iwl_mvm_tid_data
*tid_data
= &mvmsta
->tid_data
[tid
];
1298 * in case of pending tx packets, don't use this tid
1299 * for offloading in order to prevent reuse of the same
1302 if (iwl_mvm_tid_queued(mvm
, tid_data
))
1305 if (tid_data
->state
!= IWL_AGG_OFF
)
1308 available_tids
|= BIT(tid
);
1310 spin_unlock_bh(&mvmsta
->lock
);
1313 * disallow protocol offloading if we have no available tid
1314 * (with no pending frames and no active aggregation,
1315 * as we don't handle "holes" properly - the scheduler needs the
1316 * frame's seq number and TFD index to match)
1318 if (!available_tids
)
1321 /* for simplicity, just use the first available tid */
1322 iter_data
->offloading_tid
= ffs(available_tids
) - 1;
1326 static void iwl_mvm_enter_d0i3_iterator(void *_data
, u8
*mac
,
1327 struct ieee80211_vif
*vif
)
1329 struct iwl_d0i3_iter_data
*data
= _data
;
1330 struct iwl_mvm
*mvm
= data
->mvm
;
1331 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1332 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
;
1334 IWL_DEBUG_RPM(mvm
, "entering D0i3 - vif %pM\n", vif
->addr
);
1335 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1336 !vif
->bss_conf
.assoc
)
1340 * in case of pending tx packets or active aggregations,
1341 * avoid offloading features in order to prevent reuse of
1342 * the same qos seq counters.
1344 if (iwl_mvm_disallow_offloading(mvm
, vif
, data
))
1345 data
->disable_offloading
= true;
1347 iwl_mvm_update_d0i3_power_mode(mvm
, vif
, true, flags
);
1348 iwl_mvm_send_proto_offload(mvm
, vif
, data
->disable_offloading
,
1352 * on init/association, mvm already configures POWER_TABLE_CMD
1353 * and REPLY_MCAST_FILTER_CMD, so currently don't
1354 * reconfigure them (we might want to use different
1355 * params later on, though).
1357 data
->ap_sta_id
= mvmvif
->ap_sta_id
;
1361 * no new commands can be sent at this stage, so it's safe
1362 * to save the vif pointer during d0i3 entrance.
1364 data
->connected_vif
= vif
;
1367 static void iwl_mvm_set_wowlan_data(struct iwl_mvm
*mvm
,
1368 struct iwl_wowlan_config_cmd
*cmd
,
1369 struct iwl_d0i3_iter_data
*iter_data
)
1371 struct ieee80211_sta
*ap_sta
;
1372 struct iwl_mvm_sta
*mvm_ap_sta
;
1374 if (iter_data
->ap_sta_id
== IWL_MVM_INVALID_STA
)
1379 ap_sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[iter_data
->ap_sta_id
]);
1380 if (IS_ERR_OR_NULL(ap_sta
))
1383 mvm_ap_sta
= iwl_mvm_sta_from_mac80211(ap_sta
);
1384 cmd
->is_11n_connection
= ap_sta
->ht_cap
.ht_supported
;
1385 cmd
->offloading_tid
= iter_data
->offloading_tid
;
1386 cmd
->flags
= ENABLE_L3_FILTERING
| ENABLE_NBNS_FILTERING
|
1387 ENABLE_DHCP_FILTERING
| ENABLE_STORE_BEACON
;
1389 * The d0i3 uCode takes care of the nonqos counters,
1390 * so configure only the qos seq ones.
1392 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta
, cmd
);
1397 int iwl_mvm_enter_d0i3(struct iwl_op_mode
*op_mode
)
1399 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1400 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
;
1402 struct iwl_d0i3_iter_data d0i3_iter_data
= {
1405 struct iwl_wowlan_config_cmd wowlan_config_cmd
= {
1406 .wakeup_filter
= cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME
|
1407 IWL_WOWLAN_WAKEUP_BEACON_MISS
|
1408 IWL_WOWLAN_WAKEUP_LINK_CHANGE
),
1410 struct iwl_d3_manager_config d3_cfg_cmd
= {
1411 .min_sleep_time
= cpu_to_le32(1000),
1412 .wakeup_flags
= cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR
),
1415 IWL_DEBUG_RPM(mvm
, "MVM entering D0i3\n");
1417 if (WARN_ON_ONCE(mvm
->fwrt
.cur_fw_img
!= IWL_UCODE_REGULAR
))
1420 set_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1423 * iwl_mvm_ref_sync takes a reference before checking the flag.
1424 * so by checking there is no held reference we prevent a state
1425 * in which iwl_mvm_ref_sync continues successfully while we
1426 * configure the firmware to enter d0i3
1428 if (iwl_mvm_ref_taken(mvm
)) {
1429 IWL_DEBUG_RPM(mvm
->trans
, "abort d0i3 due to taken ref\n");
1430 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1431 wake_up(&mvm
->d0i3_exit_waitq
);
1435 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
1436 IEEE80211_IFACE_ITER_NORMAL
,
1437 iwl_mvm_enter_d0i3_iterator
,
1439 if (d0i3_iter_data
.vif_count
== 1) {
1440 mvm
->d0i3_ap_sta_id
= d0i3_iter_data
.ap_sta_id
;
1441 mvm
->d0i3_offloading
= !d0i3_iter_data
.disable_offloading
;
1443 WARN_ON_ONCE(d0i3_iter_data
.vif_count
> 1);
1444 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1445 mvm
->d0i3_offloading
= false;
1448 /* make sure we have no running tx while configuring the seqno */
1451 /* Flush the hw queues, in case something got queued during entry */
1452 /* TODO new tx api */
1453 if (iwl_mvm_has_new_tx_api(mvm
)) {
1454 WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n");
1456 ret
= iwl_mvm_flush_tx_path(mvm
, iwl_mvm_flushable_queues(mvm
),
1462 /* configure wowlan configuration only if needed */
1463 if (mvm
->d0i3_ap_sta_id
!= IWL_MVM_INVALID_STA
) {
1464 /* wake on beacons only if beacon storing isn't supported */
1465 if (!fw_has_capa(&mvm
->fw
->ucode_capa
,
1466 IWL_UCODE_TLV_CAPA_BEACON_STORING
))
1467 wowlan_config_cmd
.wakeup_filter
|=
1468 cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING
);
1470 iwl_mvm_wowlan_config_key_params(mvm
,
1471 d0i3_iter_data
.connected_vif
,
1474 iwl_mvm_set_wowlan_data(mvm
, &wowlan_config_cmd
,
1477 ret
= iwl_mvm_send_cmd_pdu(mvm
, WOWLAN_CONFIGURATION
, flags
,
1478 sizeof(wowlan_config_cmd
),
1479 &wowlan_config_cmd
);
1484 return iwl_mvm_send_cmd_pdu(mvm
, D3_CONFIG_CMD
,
1485 flags
| CMD_MAKE_TRANS_IDLE
,
1486 sizeof(d3_cfg_cmd
), &d3_cfg_cmd
);
1489 static void iwl_mvm_exit_d0i3_iterator(void *_data
, u8
*mac
,
1490 struct ieee80211_vif
*vif
)
1492 struct iwl_mvm
*mvm
= _data
;
1493 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
;
1495 IWL_DEBUG_RPM(mvm
, "exiting D0i3 - vif %pM\n", vif
->addr
);
1496 if (vif
->type
!= NL80211_IFTYPE_STATION
||
1497 !vif
->bss_conf
.assoc
)
1500 iwl_mvm_update_d0i3_power_mode(mvm
, vif
, false, flags
);
1503 struct iwl_mvm_d0i3_exit_work_iter_data
{
1504 struct iwl_mvm
*mvm
;
1505 struct iwl_wowlan_status
*status
;
1509 static void iwl_mvm_d0i3_exit_work_iter(void *_data
, u8
*mac
,
1510 struct ieee80211_vif
*vif
)
1512 struct iwl_mvm_d0i3_exit_work_iter_data
*data
= _data
;
1513 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1514 u32 reasons
= data
->wakeup_reasons
;
1516 /* consider only the relevant station interface */
1517 if (vif
->type
!= NL80211_IFTYPE_STATION
|| !vif
->bss_conf
.assoc
||
1518 data
->mvm
->d0i3_ap_sta_id
!= mvmvif
->ap_sta_id
)
1521 if (reasons
& IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH
)
1522 iwl_mvm_connection_loss(data
->mvm
, vif
, "D0i3");
1523 else if (reasons
& IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON
)
1524 ieee80211_beacon_loss(vif
);
1526 iwl_mvm_d0i3_update_keys(data
->mvm
, vif
, data
->status
);
1529 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm
*mvm
, __le16
*qos_seq
)
1531 struct ieee80211_sta
*sta
= NULL
;
1532 struct iwl_mvm_sta
*mvm_ap_sta
;
1534 bool wake_queues
= false;
1536 lockdep_assert_held(&mvm
->mutex
);
1538 spin_lock_bh(&mvm
->d0i3_tx_lock
);
1540 if (mvm
->d0i3_ap_sta_id
== IWL_MVM_INVALID_STA
)
1543 IWL_DEBUG_RPM(mvm
, "re-enqueue packets\n");
1545 /* get the sta in order to update seq numbers and re-enqueue skbs */
1546 sta
= rcu_dereference_protected(
1547 mvm
->fw_id_to_mac_id
[mvm
->d0i3_ap_sta_id
],
1548 lockdep_is_held(&mvm
->mutex
));
1550 if (IS_ERR_OR_NULL(sta
)) {
1555 if (mvm
->d0i3_offloading
&& qos_seq
) {
1556 /* update qos seq numbers if offloading was enabled */
1557 mvm_ap_sta
= iwl_mvm_sta_from_mac80211(sta
);
1558 for (i
= 0; i
< IWL_MAX_TID_COUNT
; i
++) {
1559 u16 seq
= le16_to_cpu(qos_seq
[i
]);
1560 /* firmware stores last-used one, we store next one */
1562 mvm_ap_sta
->tid_data
[i
].seq_number
= seq
;
1566 /* re-enqueue (or drop) all packets */
1567 while (!skb_queue_empty(&mvm
->d0i3_tx
)) {
1568 struct sk_buff
*skb
= __skb_dequeue(&mvm
->d0i3_tx
);
1570 if (!sta
|| iwl_mvm_tx_skb(mvm
, skb
, sta
))
1571 ieee80211_free_txskb(mvm
->hw
, skb
);
1573 /* if the skb_queue is not empty, we need to wake queues */
1576 clear_bit(IWL_MVM_STATUS_IN_D0I3
, &mvm
->status
);
1577 wake_up(&mvm
->d0i3_exit_waitq
);
1578 mvm
->d0i3_ap_sta_id
= IWL_MVM_INVALID_STA
;
1580 ieee80211_wake_queues(mvm
->hw
);
1582 spin_unlock_bh(&mvm
->d0i3_tx_lock
);
1585 static void iwl_mvm_d0i3_exit_work(struct work_struct
*wk
)
1587 struct iwl_mvm
*mvm
= container_of(wk
, struct iwl_mvm
, d0i3_exit_work
);
1588 struct iwl_host_cmd get_status_cmd
= {
1589 .id
= WOWLAN_GET_STATUSES
,
1590 .flags
= CMD_HIGH_PRIO
| CMD_WANT_SKB
,
1592 struct iwl_mvm_d0i3_exit_work_iter_data iter_data
= {
1596 struct iwl_wowlan_status
*status
;
1598 u32 wakeup_reasons
= 0;
1599 __le16
*qos_seq
= NULL
;
1601 mutex_lock(&mvm
->mutex
);
1602 ret
= iwl_mvm_send_cmd(mvm
, &get_status_cmd
);
1606 status
= (void *)get_status_cmd
.resp_pkt
->data
;
1607 wakeup_reasons
= le32_to_cpu(status
->wakeup_reasons
);
1608 qos_seq
= status
->qos_seq_ctr
;
1610 IWL_DEBUG_RPM(mvm
, "wakeup reasons: 0x%x\n", wakeup_reasons
);
1612 iter_data
.wakeup_reasons
= wakeup_reasons
;
1613 iter_data
.status
= status
;
1614 ieee80211_iterate_active_interfaces(mvm
->hw
,
1615 IEEE80211_IFACE_ITER_NORMAL
,
1616 iwl_mvm_d0i3_exit_work_iter
,
1619 iwl_mvm_d0i3_enable_tx(mvm
, qos_seq
);
1621 IWL_DEBUG_INFO(mvm
, "d0i3 exit completed (wakeup reasons: 0x%x)\n",
1624 /* qos_seq might point inside resp_pkt, so free it only now */
1625 if (get_status_cmd
.resp_pkt
)
1626 iwl_free_resp(&get_status_cmd
);
1628 /* the FW might have updated the regdomain */
1629 iwl_mvm_update_changed_regdom(mvm
);
1631 iwl_mvm_unref(mvm
, IWL_MVM_REF_EXIT_WORK
);
1632 mutex_unlock(&mvm
->mutex
);
1635 int _iwl_mvm_exit_d0i3(struct iwl_mvm
*mvm
)
1637 u32 flags
= CMD_ASYNC
| CMD_HIGH_PRIO
| CMD_SEND_IN_IDLE
|
1641 IWL_DEBUG_RPM(mvm
, "MVM exiting D0i3\n");
1643 if (WARN_ON_ONCE(mvm
->fwrt
.cur_fw_img
!= IWL_UCODE_REGULAR
))
1646 mutex_lock(&mvm
->d0i3_suspend_mutex
);
1647 if (test_bit(D0I3_DEFER_WAKEUP
, &mvm
->d0i3_suspend_flags
)) {
1648 IWL_DEBUG_RPM(mvm
, "Deferring d0i3 exit until resume\n");
1649 __set_bit(D0I3_PENDING_WAKEUP
, &mvm
->d0i3_suspend_flags
);
1650 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1653 mutex_unlock(&mvm
->d0i3_suspend_mutex
);
1655 ret
= iwl_mvm_send_cmd_pdu(mvm
, D0I3_END_CMD
, flags
, 0, NULL
);
1659 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
1660 IEEE80211_IFACE_ITER_NORMAL
,
1661 iwl_mvm_exit_d0i3_iterator
,
1664 schedule_work(&mvm
->d0i3_exit_work
);
1668 int iwl_mvm_exit_d0i3(struct iwl_op_mode
*op_mode
)
1670 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1672 iwl_mvm_ref(mvm
, IWL_MVM_REF_EXIT_WORK
);
1673 return _iwl_mvm_exit_d0i3(mvm
);
1676 #define IWL_MVM_COMMON_OPS \
1677 /* these could be differentiated */ \
1678 .async_cb = iwl_mvm_async_cb, \
1679 .queue_full = iwl_mvm_stop_sw_queue, \
1680 .queue_not_full = iwl_mvm_wake_sw_queue, \
1681 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1682 .free_skb = iwl_mvm_free_skb, \
1683 .nic_error = iwl_mvm_nic_error, \
1684 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1685 .nic_config = iwl_mvm_nic_config, \
1686 .enter_d0i3 = iwl_mvm_enter_d0i3, \
1687 .exit_d0i3 = iwl_mvm_exit_d0i3, \
1688 /* as we only register one, these MUST be common! */ \
1689 .start = iwl_op_mode_mvm_start, \
1690 .stop = iwl_op_mode_mvm_stop
1692 static const struct iwl_op_mode_ops iwl_mvm_ops
= {
1697 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode
*op_mode
,
1698 struct napi_struct
*napi
,
1699 struct iwl_rx_cmd_buffer
*rxb
,
1702 struct iwl_mvm
*mvm
= IWL_OP_MODE_GET_MVM(op_mode
);
1703 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
1704 u16 cmd
= WIDE_ID(pkt
->hdr
.group_id
, pkt
->hdr
.cmd
);
1706 if (unlikely(cmd
== WIDE_ID(LEGACY_GROUP
, FRAME_RELEASE
)))
1707 iwl_mvm_rx_frame_release(mvm
, napi
, rxb
, queue
);
1708 else if (unlikely(cmd
== WIDE_ID(DATA_PATH_GROUP
,
1709 RX_QUEUES_NOTIFICATION
)))
1710 iwl_mvm_rx_queue_notif(mvm
, rxb
, queue
);
1711 else if (likely(cmd
== WIDE_ID(LEGACY_GROUP
, REPLY_RX_MPDU_CMD
)))
1712 iwl_mvm_rx_mpdu_mq(mvm
, napi
, rxb
, queue
);
1715 static const struct iwl_op_mode_ops iwl_mvm_ops_mq
= {
1717 .rx
= iwl_mvm_rx_mq
,
1718 .rx_rss
= iwl_mvm_rx_mq_rss
,