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
11 * Copyright(c) 2018 - 2019 Intel Corporation
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of version 2 of the GNU General Public License as
15 * published by the Free Software Foundation.
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
22 * The full GNU General Public License is included in this distribution
23 * in the file called COPYING.
25 * Contact Information:
26 * Intel Linux Wireless <linuxwifi@intel.com>
27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
34 * Copyright(c) 2018 - 2019 Intel Corporation
35 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
41 * * Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * * Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in
45 * the documentation and/or other materials provided with the
47 * * Neither the name Intel Corporation nor the names of its
48 * contributors may be used to endorse or promote products derived
49 * from this software without specific prior written permission.
51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *****************************************************************************/
64 #include <linux/module.h>
65 #include <linux/vmalloc.h>
66 #include <net/mac80211.h>
68 #include "fw/notif-wait.h"
69 #include "iwl-trans.h"
70 #include "iwl-op-mode.h"
72 #include "iwl-debug.h"
74 #include "iwl-modparams.h"
76 #include "iwl-phy-db.h"
77 #include "iwl-eeprom-parse.h"
82 #include "fw/api/scan.h"
83 #include "time-event.h"
87 #define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
88 MODULE_DESCRIPTION(DRV_DESCRIPTION);
89 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
90 MODULE_LICENSE("GPL");
92 static const struct iwl_op_mode_ops iwl_mvm_ops;
93 static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
95 struct iwl_mvm_mod_params iwlmvm_mod_params = {
96 .power_scheme = IWL_POWER_SCHEME_BPS,
97 .tfd_q_hang_detect = true
98 /* rest of fields are 0 by default */
101 module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
102 MODULE_PARM_DESC(init_dbg,
103 "set to true to debug an ASSERT in INIT fw (default: false");
104 module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
105 MODULE_PARM_DESC(power_scheme,
106 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
107 module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
109 MODULE_PARM_DESC(tfd_q_hang_detect,
110 "TFD queues hang detection (default: true");
113 * module init and exit functions
115 static int __init iwl_mvm_init(void)
119 ret = iwl_mvm_rate_control_register();
121 pr_err("Unable to register rate control algorithm: %d\n", ret);
125 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
127 pr_err("Unable to register MVM op_mode: %d\n", ret);
131 module_init(iwl_mvm_init);
133 static void __exit iwl_mvm_exit(void)
135 iwl_opmode_deregister("iwlmvm");
136 iwl_mvm_rate_control_unregister();
138 module_exit(iwl_mvm_exit);
140 static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
142 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
143 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
145 u32 phy_config = iwl_mvm_get_phy_config(mvm);
147 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
148 FW_PHY_CFG_RADIO_TYPE_POS;
149 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
150 FW_PHY_CFG_RADIO_STEP_POS;
151 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
152 FW_PHY_CFG_RADIO_DASH_POS;
155 reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
156 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
157 reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
158 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
160 /* radio configuration */
161 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
162 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
163 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
165 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
166 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
169 * TODO: Bits 7-8 of CSR in 8000 HW family and higher set the ADC
170 * sampling, and shouldn't be set to any non-zero value.
171 * The same is supposed to be true of the other HW, but unsetting
172 * them (such as the 7260) causes automatic tests to fail on seemingly
173 * unrelated errors. Need to further investigate this, but for now
174 * we'll separate cases.
176 if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000)
177 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
179 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
180 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
182 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
183 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
184 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
185 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
186 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
187 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
188 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
189 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
190 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
193 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
194 radio_cfg_step, radio_cfg_dash);
197 * W/A : NIC is stuck in a reset state after Early PCIe power off
198 * (PCIe power is lost before PERST# is asserted), causing ME FW
199 * to lose ownership and not being able to obtain it back.
201 if (!mvm->trans->cfg->apmg_not_supported)
202 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
203 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
204 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
208 * enum iwl_rx_handler_context context for Rx handler
209 * @RX_HANDLER_SYNC : this means that it will be called in the Rx path
210 * which can't acquire mvm->mutex.
211 * @RX_HANDLER_ASYNC_LOCKED : If the handler needs to hold mvm->mutex
212 * (and only in this case!), it should be set as ASYNC. In that case,
213 * it will be called from a worker with mvm->mutex held.
214 * @RX_HANDLER_ASYNC_UNLOCKED : in case the handler needs to lock the
215 * mutex itself, it will be called from a worker without mvm->mutex held.
217 enum iwl_rx_handler_context {
219 RX_HANDLER_ASYNC_LOCKED,
220 RX_HANDLER_ASYNC_UNLOCKED,
224 * struct iwl_rx_handlers handler for FW notification
225 * @cmd_id: command id
226 * @context: see &iwl_rx_handler_context
227 * @fn: the function is called when notification is received
229 struct iwl_rx_handlers {
231 enum iwl_rx_handler_context context;
232 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
235 #define RX_HANDLER(_cmd_id, _fn, _context) \
236 { .cmd_id = _cmd_id, .fn = _fn, .context = _context }
237 #define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
238 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
241 * Handlers for fw notifications
242 * Convention: RX_HANDLER(CMD_NAME, iwl_mvm_rx_CMD_NAME
243 * This list should be in order of frequency for performance purposes.
245 * The handler can be one from three contexts, see &iwl_rx_handler_context
247 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
248 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
249 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),
251 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
252 iwl_mvm_tlc_update_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),
261 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
262 iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
264 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
266 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
267 RX_HANDLER_ASYNC_LOCKED),
269 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
271 RX_HANDLER(SCAN_ITERATION_COMPLETE,
272 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
273 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
274 iwl_mvm_rx_lmac_scan_complete_notif,
275 RX_HANDLER_ASYNC_LOCKED),
276 RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
278 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
279 RX_HANDLER_ASYNC_LOCKED),
280 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
281 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),
283 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
286 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
289 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
290 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
291 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
292 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
293 RX_HANDLER_ASYNC_LOCKED),
294 RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
295 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
296 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
297 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
299 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
300 RX_HANDLER_ASYNC_LOCKED),
301 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
303 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
304 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),
306 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
307 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
308 RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF,
309 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
311 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
312 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
313 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
314 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
315 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
316 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
317 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
318 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
321 #undef RX_HANDLER_GRP
323 /* Please keep this array *SORTED* by hex value.
324 * Access is done through binary search
326 static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
327 HCMD_NAME(MVM_ALIVE),
328 HCMD_NAME(REPLY_ERROR),
330 HCMD_NAME(INIT_COMPLETE_NOTIF),
331 HCMD_NAME(PHY_CONTEXT_CMD),
333 HCMD_NAME(SCAN_CFG_CMD),
334 HCMD_NAME(SCAN_REQ_UMAC),
335 HCMD_NAME(SCAN_ABORT_UMAC),
336 HCMD_NAME(SCAN_COMPLETE_UMAC),
337 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
338 HCMD_NAME(ADD_STA_KEY),
340 HCMD_NAME(REMOVE_STA),
341 HCMD_NAME(FW_GET_ITEM_CMD),
343 HCMD_NAME(SCD_QUEUE_CFG),
344 HCMD_NAME(TXPATH_FLUSH),
345 HCMD_NAME(MGMT_MCAST_KEY),
347 HCMD_NAME(SHARED_MEM_CFG),
348 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
349 HCMD_NAME(MAC_CONTEXT_CMD),
350 HCMD_NAME(TIME_EVENT_CMD),
351 HCMD_NAME(TIME_EVENT_NOTIFICATION),
352 HCMD_NAME(BINDING_CONTEXT_CMD),
353 HCMD_NAME(TIME_QUOTA_CMD),
354 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
357 HCMD_NAME(FW_PAGING_BLOCK_CMD),
358 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
359 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
360 HCMD_NAME(HOT_SPOT_CMD),
361 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
362 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
363 HCMD_NAME(BT_COEX_CI),
364 HCMD_NAME(PHY_CONFIGURATION_CMD),
365 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
366 HCMD_NAME(PHY_DB_CMD),
367 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
368 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
369 HCMD_NAME(POWER_TABLE_CMD),
370 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
371 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
372 HCMD_NAME(DC2DC_CONFIG_CMD),
373 HCMD_NAME(NVM_ACCESS_CMD),
374 HCMD_NAME(BEACON_NOTIFICATION),
375 HCMD_NAME(BEACON_TEMPLATE_CMD),
376 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
377 HCMD_NAME(BT_CONFIG),
378 HCMD_NAME(STATISTICS_CMD),
379 HCMD_NAME(STATISTICS_NOTIFICATION),
380 HCMD_NAME(EOSP_NOTIFICATION),
381 HCMD_NAME(REDUCE_TX_POWER_CMD),
382 HCMD_NAME(CARD_STATE_NOTIFICATION),
383 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
384 HCMD_NAME(TDLS_CONFIG_CMD),
385 HCMD_NAME(MAC_PM_POWER_TABLE),
386 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
387 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
388 HCMD_NAME(RSS_CONFIG_CMD),
389 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
390 HCMD_NAME(REPLY_RX_PHY_CMD),
391 HCMD_NAME(REPLY_RX_MPDU_CMD),
392 HCMD_NAME(FRAME_RELEASE),
394 HCMD_NAME(MCC_UPDATE_CMD),
395 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
396 HCMD_NAME(MARKER_CMD),
397 HCMD_NAME(BT_PROFILE_NOTIFICATION),
398 HCMD_NAME(BCAST_FILTER_CMD),
399 HCMD_NAME(MCAST_FILTER_CMD),
400 HCMD_NAME(REPLY_SF_CFG_CMD),
401 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
402 HCMD_NAME(D3_CONFIG_CMD),
403 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
404 HCMD_NAME(OFFLOADS_QUERY_CMD),
405 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
406 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
407 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
408 HCMD_NAME(WOWLAN_PATTERNS),
409 HCMD_NAME(WOWLAN_CONFIGURATION),
410 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
411 HCMD_NAME(WOWLAN_TKIP_PARAM),
412 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
413 HCMD_NAME(WOWLAN_GET_STATUSES),
414 HCMD_NAME(SCAN_ITERATION_COMPLETE),
415 HCMD_NAME(D0I3_END_CMD),
416 HCMD_NAME(LTR_CONFIG),
419 /* Please keep this array *SORTED* by hex value.
420 * Access is done through binary search
422 static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
423 HCMD_NAME(SHARED_MEM_CFG_CMD),
424 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
425 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
428 /* Please keep this array *SORTED* by hex value.
429 * Access is done through binary search
431 static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
432 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
433 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
436 /* Please keep this array *SORTED* by hex value.
437 * Access is done through binary search
439 static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
440 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
441 HCMD_NAME(CTDP_CONFIG_CMD),
442 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
443 HCMD_NAME(GEO_TX_POWER_LIMIT),
444 HCMD_NAME(CT_KILL_NOTIFICATION),
445 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
448 /* Please keep this array *SORTED* by hex value.
449 * Access is done through binary search
451 static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
452 HCMD_NAME(DQA_ENABLE_CMD),
453 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
454 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
455 HCMD_NAME(STA_HE_CTXT_CMD),
456 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
457 HCMD_NAME(TLC_MNG_CONFIG_CMD),
458 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
459 HCMD_NAME(STA_PM_NOTIF),
460 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
461 HCMD_NAME(RX_QUEUES_NOTIFICATION),
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_debug_names[] = {
468 HCMD_NAME(MFU_ASSERT_DUMP_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_location_names[] = {
475 HCMD_NAME(TOF_RANGE_REQ_CMD),
476 HCMD_NAME(TOF_CONFIG_CMD),
477 HCMD_NAME(TOF_RANGE_ABORT_CMD),
478 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
479 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
480 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
481 HCMD_NAME(TOF_LC_NOTIF),
482 HCMD_NAME(TOF_RESPONDER_STATS),
483 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
484 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
487 /* Please keep this array *SORTED* by hex value.
488 * Access is done through binary search
490 static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
491 HCMD_NAME(STORED_BEACON_NTF),
494 /* Please keep this array *SORTED* by hex value.
495 * Access is done through binary search
497 static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
498 HCMD_NAME(NVM_ACCESS_COMPLETE),
499 HCMD_NAME(NVM_GET_INFO),
502 static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
503 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
504 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
505 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
506 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
507 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
508 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
509 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
510 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
511 [REGULATORY_AND_NVM_GROUP] =
512 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
515 /* this forward declaration can avoid to export the function */
516 static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
518 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk);
521 static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
523 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
529 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
531 while (backoff->pwr) {
532 if (dflt_pwr_limit >= backoff->pwr)
533 return backoff->backoff;
541 static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
543 struct iwl_mvm *mvm =
544 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
545 struct ieee80211_vif *tx_blocked_vif;
546 struct iwl_mvm_vif *mvmvif;
548 mutex_lock(&mvm->mutex);
551 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
552 lockdep_is_held(&mvm->mutex));
557 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
558 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
559 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
561 mutex_unlock(&mvm->mutex);
564 static int iwl_mvm_fwrt_dump_start(void *ctx)
566 struct iwl_mvm *mvm = ctx;
569 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
573 mutex_lock(&mvm->mutex);
578 static void iwl_mvm_fwrt_dump_end(void *ctx)
580 struct iwl_mvm *mvm = ctx;
582 mutex_unlock(&mvm->mutex);
584 iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
587 static bool iwl_mvm_fwrt_fw_running(void *ctx)
589 return iwl_mvm_firmware_running(ctx);
592 static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
594 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
597 mutex_lock(&mvm->mutex);
598 ret = iwl_mvm_send_cmd(mvm, host_cmd);
599 mutex_unlock(&mvm->mutex);
604 static bool iwl_mvm_d3_debug_enable(void *ctx)
606 return IWL_MVM_D3_DEBUG;
609 static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
610 .dump_start = iwl_mvm_fwrt_dump_start,
611 .dump_end = iwl_mvm_fwrt_dump_end,
612 .fw_running = iwl_mvm_fwrt_fw_running,
613 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
614 .d3_debug_enable = iwl_mvm_d3_debug_enable,
617 static struct iwl_op_mode *
618 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
619 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
621 struct ieee80211_hw *hw;
622 struct iwl_op_mode *op_mode;
624 struct iwl_trans_config trans_cfg = {};
625 static const u8 no_reclaim_cmds[] = {
630 enum iwl_amsdu_size rb_size_default;
633 * We use IWL_MVM_STATION_COUNT to check the validity of the station
634 * index all over the driver - check that its value corresponds to the
637 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
639 /********************************
640 * 1. Allocating and configuring HW data
641 ********************************/
642 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
643 sizeof(struct iwl_mvm),
648 if (cfg->max_rx_agg_size)
649 hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
651 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
653 if (cfg->max_tx_agg_size)
654 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
656 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
660 mvm = IWL_OP_MODE_GET_MVM(op_mode);
661 mvm->dev = trans->dev;
667 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
670 mvm->init_status = 0;
672 if (iwl_mvm_has_new_rx_api(mvm)) {
673 op_mode->ops = &iwl_mvm_ops_mq;
674 trans->rx_mpdu_cmd_hdr_size =
675 (trans->cfg->device_family >=
676 IWL_DEVICE_FAMILY_22560) ?
677 sizeof(struct iwl_rx_mpdu_desc) :
680 op_mode->ops = &iwl_mvm_ops;
681 trans->rx_mpdu_cmd_hdr_size =
682 sizeof(struct iwl_rx_mpdu_res_start);
684 if (WARN_ON(trans->num_rx_queues > 1))
688 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
690 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
691 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
692 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
693 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
695 mvm->sf_state = SF_UNINIT;
696 if (iwl_mvm_has_unified_ucode(mvm))
697 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
699 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
700 mvm->drop_bcn_ap_mode = true;
702 mutex_init(&mvm->mutex);
703 mutex_init(&mvm->d0i3_suspend_mutex);
704 spin_lock_init(&mvm->async_handlers_lock);
705 INIT_LIST_HEAD(&mvm->time_event_list);
706 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
707 INIT_LIST_HEAD(&mvm->async_handlers_list);
708 spin_lock_init(&mvm->time_event_lock);
709 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
711 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
712 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
714 INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
716 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
717 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
718 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
719 INIT_LIST_HEAD(&mvm->add_stream_txqs);
721 spin_lock_init(&mvm->d0i3_tx_lock);
722 spin_lock_init(&mvm->refs_lock);
723 skb_queue_head_init(&mvm->d0i3_tx);
724 init_waitqueue_head(&mvm->d0i3_exit_waitq);
725 init_waitqueue_head(&mvm->rx_sync_waitq);
727 atomic_set(&mvm->queue_sync_counter, 0);
729 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
731 spin_lock_init(&mvm->tcm.lock);
732 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
733 mvm->tcm.ts = jiffies;
734 mvm->tcm.ll_ts = jiffies;
735 mvm->tcm.uapsd_nonagg_ts = jiffies;
737 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
740 * Populate the state variables that the transport layer needs
743 trans_cfg.op_mode = op_mode;
744 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
745 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
747 if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
748 rb_size_default = IWL_AMSDU_2K;
750 rb_size_default = IWL_AMSDU_4K;
752 switch (iwlwifi_mod_params.amsdu_size) {
754 trans_cfg.rx_buf_size = rb_size_default;
757 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
760 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
763 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
766 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
767 iwlwifi_mod_params.amsdu_size);
768 trans_cfg.rx_buf_size = rb_size_default;
771 BUILD_BUG_ON(sizeof(struct iwl_ldbg_config_cmd) !=
772 LDBG_CFG_COMMAND_SIZE);
774 trans->wide_cmd_header = true;
775 trans_cfg.bc_table_dword =
776 mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_22560;
778 trans_cfg.command_groups = iwl_mvm_groups;
779 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
781 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
782 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
783 trans_cfg.scd_set_active = true;
785 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
788 trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
790 /* Set a short watchdog for the command queue */
791 trans_cfg.cmd_q_wdg_timeout =
792 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
794 snprintf(mvm->hw->wiphy->fw_version,
795 sizeof(mvm->hw->wiphy->fw_version),
796 "%s", fw->fw_version);
798 /* Configure transport layer */
799 iwl_trans_configure(mvm->trans, &trans_cfg);
801 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
802 trans->dbg_dest_tlv = mvm->fw->dbg.dest_tlv;
803 trans->dbg_n_dest_reg = mvm->fw->dbg.n_dest_reg;
804 memcpy(trans->dbg_conf_tlv, mvm->fw->dbg.conf_tlv,
805 sizeof(trans->dbg_conf_tlv));
806 trans->dbg_trigger_tlv = mvm->fw->dbg.trigger_tlv;
808 trans->iml = mvm->fw->iml;
809 trans->iml_len = mvm->fw->iml_len;
811 /* set up notification wait support */
812 iwl_notification_wait_init(&mvm->notif_wait);
815 mvm->phy_db = iwl_phy_db_init(trans);
817 IWL_ERR(mvm, "Cannot init phy_db\n");
821 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
822 mvm->cfg->name, mvm->trans->hw_rev);
824 if (iwlwifi_mod_params.nvm_file)
825 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
827 IWL_DEBUG_EEPROM(mvm->trans->dev,
828 "working without external nvm file\n");
830 err = iwl_trans_start_hw(mvm->trans);
834 mutex_lock(&mvm->mutex);
835 iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
836 err = iwl_run_init_mvm_ucode(mvm, true);
838 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
839 if (!iwlmvm_mod_params.init_dbg || !err)
840 iwl_mvm_stop_device(mvm);
841 iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
842 mutex_unlock(&mvm->mutex);
844 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
848 scan_size = iwl_mvm_scan_size(mvm);
850 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
854 /* Set EBS as successful as long as not stated otherwise by the FW. */
855 mvm->last_ebs_successful = true;
857 err = iwl_mvm_mac_setup_register(mvm);
860 mvm->hw_registered = true;
862 min_backoff = iwl_mvm_min_backoff(mvm);
863 iwl_mvm_thermal_initialize(mvm, min_backoff);
865 iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
867 if (!iwl_mvm_has_new_rx_stats_api(mvm))
868 memset(&mvm->rx_stats_v3, 0,
869 sizeof(struct mvm_statistics_rx_v3));
871 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
873 /* The transport always starts with a taken reference, we can
874 * release it now if d0i3 is supported */
875 if (iwl_mvm_is_d0i3_supported(mvm))
876 iwl_trans_unref(mvm->trans);
878 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
883 iwl_fw_flush_dump(&mvm->fwrt);
884 iwl_fw_runtime_free(&mvm->fwrt);
886 if (iwlmvm_mod_params.init_dbg)
888 iwl_phy_db_free(mvm->phy_db);
889 kfree(mvm->scan_cmd);
890 iwl_trans_op_mode_leave(trans);
892 ieee80211_free_hw(mvm->hw);
896 static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
898 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
901 /* If d0i3 is supported, we have released the reference that
902 * the transport started with, so we should take it back now
903 * that we are leaving.
905 if (iwl_mvm_is_d0i3_supported(mvm))
906 iwl_trans_ref(mvm->trans);
908 iwl_mvm_leds_exit(mvm);
910 iwl_mvm_thermal_exit(mvm);
912 ieee80211_unregister_hw(mvm->hw);
914 kfree(mvm->scan_cmd);
915 kfree(mvm->mcast_filter_cmd);
916 mvm->mcast_filter_cmd = NULL;
918 kfree(mvm->error_recovery_buf);
919 mvm->error_recovery_buf = NULL;
921 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
922 kfree(mvm->d3_resume_sram);
924 iwl_trans_op_mode_leave(mvm->trans);
926 iwl_phy_db_free(mvm->phy_db);
929 kfree(mvm->nvm_data);
930 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
931 kfree(mvm->nvm_sections[i].data);
933 cancel_delayed_work_sync(&mvm->tcm.work);
935 iwl_fw_runtime_free(&mvm->fwrt);
936 mutex_destroy(&mvm->mutex);
937 mutex_destroy(&mvm->d0i3_suspend_mutex);
939 ieee80211_free_hw(mvm->hw);
942 struct iwl_async_handler_entry {
943 struct list_head list;
944 struct iwl_rx_cmd_buffer rxb;
945 enum iwl_rx_handler_context context;
946 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
949 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
951 struct iwl_async_handler_entry *entry, *tmp;
953 spin_lock_bh(&mvm->async_handlers_lock);
954 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
955 iwl_free_rxb(&entry->rxb);
956 list_del(&entry->list);
959 spin_unlock_bh(&mvm->async_handlers_lock);
962 static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
964 struct iwl_mvm *mvm =
965 container_of(wk, struct iwl_mvm, async_handlers_wk);
966 struct iwl_async_handler_entry *entry, *tmp;
967 LIST_HEAD(local_list);
969 /* Ensure that we are not in stop flow (check iwl_mvm_mac_stop) */
972 * Sync with Rx path with a lock. Remove all the entries from this list,
973 * add them to a local one (lock free), and then handle them.
975 spin_lock_bh(&mvm->async_handlers_lock);
976 list_splice_init(&mvm->async_handlers_list, &local_list);
977 spin_unlock_bh(&mvm->async_handlers_lock);
979 list_for_each_entry_safe(entry, tmp, &local_list, list) {
980 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
981 mutex_lock(&mvm->mutex);
982 entry->fn(mvm, &entry->rxb);
983 iwl_free_rxb(&entry->rxb);
984 list_del(&entry->list);
985 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
986 mutex_unlock(&mvm->mutex);
991 static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
992 struct iwl_rx_packet *pkt)
994 struct iwl_fw_dbg_trigger_tlv *trig;
995 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
998 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
999 FW_DBG_TRIGGER_FW_NOTIF);
1003 cmds_trig = (void *)trig->data;
1005 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
1006 /* don't collect on CMD 0 */
1007 if (!cmds_trig->cmds[i].cmd_id)
1010 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1011 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1014 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1015 "CMD 0x%02x.%02x received",
1016 pkt->hdr.group_id, pkt->hdr.cmd);
1021 static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1022 struct iwl_rx_cmd_buffer *rxb,
1023 struct iwl_rx_packet *pkt)
1027 iwl_mvm_rx_check_trigger(mvm, pkt);
1030 * Do the notification wait before RX handlers so
1031 * even if the RX handler consumes the RXB we have
1032 * access to it in the notification wait entry.
1034 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1036 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1037 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1038 struct iwl_async_handler_entry *entry;
1040 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1043 if (rx_h->context == RX_HANDLER_SYNC) {
1048 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1049 /* we can't do much... */
1053 entry->rxb._page = rxb_steal_page(rxb);
1054 entry->rxb._offset = rxb->_offset;
1055 entry->rxb._rx_page_order = rxb->_rx_page_order;
1056 entry->fn = rx_h->fn;
1057 entry->context = rx_h->context;
1058 spin_lock(&mvm->async_handlers_lock);
1059 list_add_tail(&entry->list, &mvm->async_handlers_list);
1060 spin_unlock(&mvm->async_handlers_lock);
1061 schedule_work(&mvm->async_handlers_wk);
1066 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1067 struct napi_struct *napi,
1068 struct iwl_rx_cmd_buffer *rxb)
1070 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1071 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1072 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1074 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1075 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1076 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1077 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1079 iwl_mvm_rx_common(mvm, rxb, pkt);
1082 static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1083 struct napi_struct *napi,
1084 struct iwl_rx_cmd_buffer *rxb)
1086 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1087 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1088 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1090 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1091 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1092 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1093 RX_QUEUES_NOTIFICATION)))
1094 iwl_mvm_rx_queue_notif(mvm, rxb, 0);
1095 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1096 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1097 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1098 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1100 iwl_mvm_rx_common(mvm, rxb, pkt);
1103 static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1104 const struct iwl_device_cmd *cmd)
1106 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1109 * For now, we only set the CMD_WANT_ASYNC_CALLBACK for ADD_STA
1110 * commands that need to block the Tx queues.
1112 iwl_trans_block_txq_ptrs(mvm->trans, false);
1115 static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1117 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1118 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1121 static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1122 int hw_queue, bool start)
1124 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1125 struct ieee80211_sta *sta;
1126 struct ieee80211_txq *txq;
1127 struct iwl_mvm_txq *mvmtxq;
1129 unsigned long tid_bitmap;
1130 struct iwl_mvm_sta *mvmsta;
1133 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1134 mvm->tvqm_info[hw_queue].sta_id :
1135 mvm->queue_info[hw_queue].ra_sta_id;
1137 if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)))
1142 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1143 if (IS_ERR_OR_NULL(sta))
1145 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1147 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1149 ieee80211_stop_queues(mvm->hw);
1150 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1151 ieee80211_wake_queues(mvm->hw);
1156 if (iwl_mvm_has_new_tx_api(mvm)) {
1157 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1159 tid_bitmap = BIT(tid);
1161 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1164 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1167 if (tid == IWL_MAX_TID_COUNT)
1168 tid = IEEE80211_NUM_TIDS;
1170 txq = sta->txq[tid];
1171 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1172 mvmtxq->stopped = !start;
1174 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1175 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1182 static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1184 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1187 static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1189 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1192 static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1194 bool state = iwl_mvm_is_radio_killed(mvm);
1197 wake_up(&mvm->rx_sync_waitq);
1199 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1202 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1205 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1207 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1209 iwl_mvm_set_rfkill_state(mvm);
1212 static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1214 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1215 bool calibrating = READ_ONCE(mvm->calibrating);
1218 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1220 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1222 iwl_mvm_set_rfkill_state(mvm);
1224 /* iwl_run_init_mvm_ucode is waiting for results, abort it */
1226 iwl_abort_notification_waits(&mvm->notif_wait);
1229 * Stop the device if we run OPERATIONAL firmware or if we are in the
1230 * middle of the calibrations.
1232 return state && (mvm->fwrt.cur_fw_img != IWL_UCODE_INIT || calibrating);
1235 static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1237 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1238 struct ieee80211_tx_info *info;
1240 info = IEEE80211_SKB_CB(skb);
1241 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1242 ieee80211_free_txskb(mvm->hw, skb);
1245 struct iwl_mvm_reprobe {
1247 struct work_struct work;
1250 static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1252 struct iwl_mvm_reprobe *reprobe;
1254 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1255 if (device_reprobe(reprobe->dev))
1256 dev_err(reprobe->dev, "reprobe failed!\n");
1258 module_put(THIS_MODULE);
1261 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1263 iwl_abort_notification_waits(&mvm->notif_wait);
1266 * This is a bit racy, but worst case we tell mac80211 about
1267 * a stopped/aborted scan when that was already done which
1268 * is not a problem. It is necessary to abort any os scan
1269 * here because mac80211 requires having the scan cleared
1270 * before restarting.
1271 * We'll reset the scan_status to NONE in restart cleanup in
1272 * the next start() call from mac80211. If restart isn't called
1273 * (no fw restart) scan status will stay busy.
1275 iwl_mvm_report_scan_aborted(mvm);
1278 * If we're restarting already, don't cycle restarts.
1279 * If INIT fw asserted, it will likely fail again.
1280 * If WoWLAN fw asserted, don't restart either, mac80211
1281 * can't recover this since we're already half suspended.
1283 if (!mvm->fw_restart && fw_error) {
1284 iwl_fw_error_collect(&mvm->fwrt);
1285 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1286 struct iwl_mvm_reprobe *reprobe;
1289 "Firmware error during reconfiguration - reprobe!\n");
1292 * get a module reference to avoid doing this while unloading
1293 * anyway and to avoid scheduling a work with code that's
1296 if (!try_module_get(THIS_MODULE)) {
1297 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1301 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1303 module_put(THIS_MODULE);
1306 reprobe->dev = mvm->trans->dev;
1307 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1308 schedule_work(&reprobe->work);
1309 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1311 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1312 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1313 mvm->hw_registered &&
1314 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1315 /* don't let the transport/FW power down */
1316 iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
1318 if (mvm->fw->ucode_capa.error_log_size) {
1319 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1320 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1321 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1324 mvm->error_recovery_buf = recover_buf;
1325 iwl_trans_read_mem_bytes(mvm->trans,
1332 iwl_fw_error_collect(&mvm->fwrt);
1334 if (fw_error && mvm->fw_restart > 0)
1336 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1337 ieee80211_restart_hw(mvm->hw);
1341 static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1343 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1345 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
1346 iwl_mvm_dump_nic_error_log(mvm);
1348 iwl_mvm_nic_restart(mvm, true);
1351 static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1353 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1356 iwl_mvm_nic_restart(mvm, true);
1360 struct iwl_d0i3_iter_data {
1361 struct iwl_mvm *mvm;
1362 struct ieee80211_vif *connected_vif;
1366 bool disable_offloading;
1369 static bool iwl_mvm_disallow_offloading(struct iwl_mvm *mvm,
1370 struct ieee80211_vif *vif,
1371 struct iwl_d0i3_iter_data *iter_data)
1373 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1374 struct iwl_mvm_sta *mvmsta;
1375 u32 available_tids = 0;
1378 if (WARN_ON(vif->type != NL80211_IFTYPE_STATION ||
1379 mvmvif->ap_sta_id == IWL_MVM_INVALID_STA))
1382 mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, mvmvif->ap_sta_id);
1386 spin_lock_bh(&mvmsta->lock);
1387 for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
1388 struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
1391 * in case of pending tx packets, don't use this tid
1392 * for offloading in order to prevent reuse of the same
1395 if (iwl_mvm_tid_queued(mvm, tid_data))
1398 if (tid_data->state != IWL_AGG_OFF)
1401 available_tids |= BIT(tid);
1403 spin_unlock_bh(&mvmsta->lock);
1406 * disallow protocol offloading if we have no available tid
1407 * (with no pending frames and no active aggregation,
1408 * as we don't handle "holes" properly - the scheduler needs the
1409 * frame's seq number and TFD index to match)
1411 if (!available_tids)
1414 /* for simplicity, just use the first available tid */
1415 iter_data->offloading_tid = ffs(available_tids) - 1;
1419 static void iwl_mvm_enter_d0i3_iterator(void *_data, u8 *mac,
1420 struct ieee80211_vif *vif)
1422 struct iwl_d0i3_iter_data *data = _data;
1423 struct iwl_mvm *mvm = data->mvm;
1424 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1425 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1427 IWL_DEBUG_RPM(mvm, "entering D0i3 - vif %pM\n", vif->addr);
1428 if (vif->type != NL80211_IFTYPE_STATION ||
1429 !vif->bss_conf.assoc)
1433 * in case of pending tx packets or active aggregations,
1434 * avoid offloading features in order to prevent reuse of
1435 * the same qos seq counters.
1437 if (iwl_mvm_disallow_offloading(mvm, vif, data))
1438 data->disable_offloading = true;
1440 iwl_mvm_update_d0i3_power_mode(mvm, vif, true, flags);
1441 iwl_mvm_send_proto_offload(mvm, vif, data->disable_offloading,
1445 * on init/association, mvm already configures POWER_TABLE_CMD
1446 * and REPLY_MCAST_FILTER_CMD, so currently don't
1447 * reconfigure them (we might want to use different
1448 * params later on, though).
1450 data->ap_sta_id = mvmvif->ap_sta_id;
1454 * no new commands can be sent at this stage, so it's safe
1455 * to save the vif pointer during d0i3 entrance.
1457 data->connected_vif = vif;
1460 static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm,
1461 struct iwl_wowlan_config_cmd *cmd,
1462 struct iwl_d0i3_iter_data *iter_data)
1464 struct ieee80211_sta *ap_sta;
1465 struct iwl_mvm_sta *mvm_ap_sta;
1467 if (iter_data->ap_sta_id == IWL_MVM_INVALID_STA)
1472 ap_sta = rcu_dereference(mvm->fw_id_to_mac_id[iter_data->ap_sta_id]);
1473 if (IS_ERR_OR_NULL(ap_sta))
1476 mvm_ap_sta = iwl_mvm_sta_from_mac80211(ap_sta);
1477 cmd->is_11n_connection = ap_sta->ht_cap.ht_supported;
1478 cmd->offloading_tid = iter_data->offloading_tid;
1479 cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING |
1480 ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON;
1482 * The d0i3 uCode takes care of the nonqos counters,
1483 * so configure only the qos seq ones.
1485 iwl_mvm_set_wowlan_qos_seq(mvm_ap_sta, cmd);
1490 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode)
1492 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1493 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE;
1495 struct iwl_d0i3_iter_data d0i3_iter_data = {
1498 struct iwl_wowlan_config_cmd wowlan_config_cmd = {
1499 .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME |
1500 IWL_WOWLAN_WAKEUP_BEACON_MISS |
1501 IWL_WOWLAN_WAKEUP_LINK_CHANGE),
1503 struct iwl_d3_manager_config d3_cfg_cmd = {
1504 .min_sleep_time = cpu_to_le32(1000),
1505 .wakeup_flags = cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR),
1508 IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n");
1510 if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR))
1513 set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1516 * iwl_mvm_ref_sync takes a reference before checking the flag.
1517 * so by checking there is no held reference we prevent a state
1518 * in which iwl_mvm_ref_sync continues successfully while we
1519 * configure the firmware to enter d0i3
1521 if (iwl_mvm_ref_taken(mvm)) {
1522 IWL_DEBUG_RPM(mvm->trans, "abort d0i3 due to taken ref\n");
1523 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1524 wake_up(&mvm->d0i3_exit_waitq);
1528 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1529 IEEE80211_IFACE_ITER_NORMAL,
1530 iwl_mvm_enter_d0i3_iterator,
1532 if (d0i3_iter_data.vif_count == 1) {
1533 mvm->d0i3_ap_sta_id = d0i3_iter_data.ap_sta_id;
1534 mvm->d0i3_offloading = !d0i3_iter_data.disable_offloading;
1536 WARN_ON_ONCE(d0i3_iter_data.vif_count > 1);
1537 mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
1538 mvm->d0i3_offloading = false;
1541 iwl_mvm_pause_tcm(mvm, true);
1542 /* make sure we have no running tx while configuring the seqno */
1545 /* Flush the hw queues, in case something got queued during entry */
1546 /* TODO new tx api */
1547 if (iwl_mvm_has_new_tx_api(mvm)) {
1548 WARN_ONCE(1, "d0i3: Need to implement flush TX queue\n");
1550 ret = iwl_mvm_flush_tx_path(mvm, iwl_mvm_flushable_queues(mvm),
1556 /* configure wowlan configuration only if needed */
1557 if (mvm->d0i3_ap_sta_id != IWL_MVM_INVALID_STA) {
1558 /* wake on beacons only if beacon storing isn't supported */
1559 if (!fw_has_capa(&mvm->fw->ucode_capa,
1560 IWL_UCODE_TLV_CAPA_BEACON_STORING))
1561 wowlan_config_cmd.wakeup_filter |=
1562 cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING);
1564 iwl_mvm_wowlan_config_key_params(mvm,
1565 d0i3_iter_data.connected_vif,
1568 iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd,
1571 ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags,
1572 sizeof(wowlan_config_cmd),
1573 &wowlan_config_cmd);
1578 return iwl_mvm_send_cmd_pdu(mvm, D3_CONFIG_CMD,
1579 flags | CMD_MAKE_TRANS_IDLE,
1580 sizeof(d3_cfg_cmd), &d3_cfg_cmd);
1583 static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac,
1584 struct ieee80211_vif *vif)
1586 struct iwl_mvm *mvm = _data;
1587 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO;
1589 IWL_DEBUG_RPM(mvm, "exiting D0i3 - vif %pM\n", vif->addr);
1590 if (vif->type != NL80211_IFTYPE_STATION ||
1591 !vif->bss_conf.assoc)
1594 iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags);
1597 struct iwl_mvm_d0i3_exit_work_iter_data {
1598 struct iwl_mvm *mvm;
1599 struct iwl_wowlan_status *status;
1603 static void iwl_mvm_d0i3_exit_work_iter(void *_data, u8 *mac,
1604 struct ieee80211_vif *vif)
1606 struct iwl_mvm_d0i3_exit_work_iter_data *data = _data;
1607 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1608 u32 reasons = data->wakeup_reasons;
1610 /* consider only the relevant station interface */
1611 if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc ||
1612 data->mvm->d0i3_ap_sta_id != mvmvif->ap_sta_id)
1615 if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH)
1616 iwl_mvm_connection_loss(data->mvm, vif, "D0i3");
1617 else if (reasons & IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON)
1618 ieee80211_beacon_loss(vif);
1620 iwl_mvm_d0i3_update_keys(data->mvm, vif, data->status);
1623 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq)
1625 struct ieee80211_sta *sta = NULL;
1626 struct iwl_mvm_sta *mvm_ap_sta;
1628 bool wake_queues = false;
1630 lockdep_assert_held(&mvm->mutex);
1632 spin_lock_bh(&mvm->d0i3_tx_lock);
1634 if (mvm->d0i3_ap_sta_id == IWL_MVM_INVALID_STA)
1637 IWL_DEBUG_RPM(mvm, "re-enqueue packets\n");
1639 /* get the sta in order to update seq numbers and re-enqueue skbs */
1640 sta = rcu_dereference_protected(
1641 mvm->fw_id_to_mac_id[mvm->d0i3_ap_sta_id],
1642 lockdep_is_held(&mvm->mutex));
1644 if (IS_ERR_OR_NULL(sta)) {
1649 if (mvm->d0i3_offloading && qos_seq) {
1650 /* update qos seq numbers if offloading was enabled */
1651 mvm_ap_sta = iwl_mvm_sta_from_mac80211(sta);
1652 for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
1653 u16 seq = le16_to_cpu(qos_seq[i]);
1654 /* firmware stores last-used one, we store next one */
1656 mvm_ap_sta->tid_data[i].seq_number = seq;
1660 /* re-enqueue (or drop) all packets */
1661 while (!skb_queue_empty(&mvm->d0i3_tx)) {
1662 struct sk_buff *skb = __skb_dequeue(&mvm->d0i3_tx);
1664 if (!sta || iwl_mvm_tx_skb(mvm, skb, sta))
1665 ieee80211_free_txskb(mvm->hw, skb);
1667 /* if the skb_queue is not empty, we need to wake queues */
1670 clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
1671 wake_up(&mvm->d0i3_exit_waitq);
1672 mvm->d0i3_ap_sta_id = IWL_MVM_INVALID_STA;
1674 ieee80211_wake_queues(mvm->hw);
1676 spin_unlock_bh(&mvm->d0i3_tx_lock);
1679 static void iwl_mvm_d0i3_exit_work(struct work_struct *wk)
1681 struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, d0i3_exit_work);
1682 struct iwl_mvm_d0i3_exit_work_iter_data iter_data = {
1686 struct iwl_wowlan_status *status;
1687 u32 wakeup_reasons = 0;
1688 __le16 *qos_seq = NULL;
1690 mutex_lock(&mvm->mutex);
1692 status = iwl_mvm_send_wowlan_get_status(mvm);
1693 if (IS_ERR_OR_NULL(status)) {
1694 /* set to NULL so we don't need to check before kfree'ing */
1699 wakeup_reasons = le32_to_cpu(status->wakeup_reasons);
1700 qos_seq = status->qos_seq_ctr;
1702 IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons);
1704 iter_data.wakeup_reasons = wakeup_reasons;
1705 iter_data.status = status;
1706 ieee80211_iterate_active_interfaces(mvm->hw,
1707 IEEE80211_IFACE_ITER_NORMAL,
1708 iwl_mvm_d0i3_exit_work_iter,
1711 iwl_mvm_d0i3_enable_tx(mvm, qos_seq);
1713 IWL_DEBUG_INFO(mvm, "d0i3 exit completed (wakeup reasons: 0x%x)\n",
1716 /* qos_seq might point inside resp_pkt, so free it only now */
1719 /* the FW might have updated the regdomain */
1720 iwl_mvm_update_changed_regdom(mvm);
1722 iwl_mvm_resume_tcm(mvm);
1723 iwl_mvm_unref(mvm, IWL_MVM_REF_EXIT_WORK);
1724 mutex_unlock(&mvm->mutex);
1727 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm)
1729 u32 flags = CMD_ASYNC | CMD_HIGH_PRIO | CMD_SEND_IN_IDLE |
1733 IWL_DEBUG_RPM(mvm, "MVM exiting D0i3\n");
1735 if (WARN_ON_ONCE(mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR))
1738 mutex_lock(&mvm->d0i3_suspend_mutex);
1739 if (test_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags)) {
1740 IWL_DEBUG_RPM(mvm, "Deferring d0i3 exit until resume\n");
1741 __set_bit(D0I3_PENDING_WAKEUP, &mvm->d0i3_suspend_flags);
1742 mutex_unlock(&mvm->d0i3_suspend_mutex);
1745 mutex_unlock(&mvm->d0i3_suspend_mutex);
1747 ret = iwl_mvm_send_cmd_pdu(mvm, D0I3_END_CMD, flags, 0, NULL);
1751 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
1752 IEEE80211_IFACE_ITER_NORMAL,
1753 iwl_mvm_exit_d0i3_iterator,
1756 schedule_work(&mvm->d0i3_exit_work);
1760 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode)
1762 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1764 iwl_mvm_ref(mvm, IWL_MVM_REF_EXIT_WORK);
1765 return _iwl_mvm_exit_d0i3(mvm);
1768 #define IWL_MVM_D0I3_OPS \
1769 .enter_d0i3 = iwl_mvm_enter_d0i3, \
1770 .exit_d0i3 = iwl_mvm_exit_d0i3,
1771 #else /* CONFIG_PM */
1772 #define IWL_MVM_D0I3_OPS
1773 #endif /* CONFIG_PM */
1775 #define IWL_MVM_COMMON_OPS \
1776 /* these could be differentiated */ \
1777 .async_cb = iwl_mvm_async_cb, \
1778 .queue_full = iwl_mvm_stop_sw_queue, \
1779 .queue_not_full = iwl_mvm_wake_sw_queue, \
1780 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1781 .free_skb = iwl_mvm_free_skb, \
1782 .nic_error = iwl_mvm_nic_error, \
1783 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1784 .nic_config = iwl_mvm_nic_config, \
1786 /* as we only register one, these MUST be common! */ \
1787 .start = iwl_op_mode_mvm_start, \
1788 .stop = iwl_op_mode_mvm_stop
1790 static const struct iwl_op_mode_ops iwl_mvm_ops = {
1795 static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1796 struct napi_struct *napi,
1797 struct iwl_rx_cmd_buffer *rxb,
1800 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1801 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1802 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1804 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1805 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
1806 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1807 RX_QUEUES_NOTIFICATION)))
1808 iwl_mvm_rx_queue_notif(mvm, rxb, queue);
1809 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1810 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1813 static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1815 .rx = iwl_mvm_rx_mq,
1816 .rx_rss = iwl_mvm_rx_mq_rss,