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64#include <linux/module.h>
65#include <linux/vmalloc.h>
66#include <net/mac80211.h>
67
68#include "fw/notif-wait.h"
69#include "iwl-trans.h"
70#include "iwl-op-mode.h"
71#include "fw/img.h"
72#include "iwl-debug.h"
73#include "iwl-drv.h"
74#include "iwl-modparams.h"
75#include "mvm.h"
76#include "iwl-phy-db.h"
77#include "iwl-eeprom-parse.h"
78#include "iwl-csr.h"
79#include "iwl-io.h"
80#include "iwl-prph.h"
81#include "rs.h"
82#include "fw/api/scan.h"
83#include "time-event.h"
84#include "fw-api.h"
85#include "fw/acpi.h"
86
87#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
88MODULE_DESCRIPTION(DRV_DESCRIPTION);
89MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
90MODULE_LICENSE("GPL");
91
92static const struct iwl_op_mode_ops iwl_mvm_ops;
93static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
94
95struct iwl_mvm_mod_params iwlmvm_mod_params = {
96 .power_scheme = IWL_POWER_SCHEME_BPS,
97 .tfd_q_hang_detect = true
98
99};
100
101module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
102MODULE_PARM_DESC(init_dbg,
103 "set to true to debug an ASSERT in INIT fw (default: false");
104module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
105MODULE_PARM_DESC(power_scheme,
106 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
107module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
108 bool, 0444);
109MODULE_PARM_DESC(tfd_q_hang_detect,
110 "TFD queues hang detection (default: true");
111
112
113
114
115static int __init iwl_mvm_init(void)
116{
117 int ret;
118
119 ret = iwl_mvm_rate_control_register();
120 if (ret) {
121 pr_err("Unable to register rate control algorithm: %d\n", ret);
122 return ret;
123 }
124
125 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
126 if (ret)
127 pr_err("Unable to register MVM op_mode: %d\n", ret);
128
129 return ret;
130}
131module_init(iwl_mvm_init);
132
133static void __exit iwl_mvm_exit(void)
134{
135 iwl_opmode_deregister("iwlmvm");
136 iwl_mvm_rate_control_unregister();
137}
138module_exit(iwl_mvm_exit);
139
140static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
141{
142 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
143 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
144 u32 reg_val = 0;
145 u32 phy_config = iwl_mvm_get_phy_config(mvm);
146
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;
153
154
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;
159
160
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;
164
165 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
166 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
167
168
169
170
171
172
173
174
175
176 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
177 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
178
179 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
180 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
181
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,
191 reg_val);
192
193 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
194 radio_cfg_step, radio_cfg_dash);
195
196
197
198
199
200
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);
205}
206
207
208
209
210
211
212
213
214
215
216
217enum iwl_rx_handler_context {
218 RX_HANDLER_SYNC,
219 RX_HANDLER_ASYNC_LOCKED,
220 RX_HANDLER_ASYNC_UNLOCKED,
221};
222
223
224
225
226
227
228
229struct iwl_rx_handlers {
230 u16 cmd_id;
231 enum iwl_rx_handler_context context;
232 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
233};
234
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 }
239
240
241
242
243
244
245
246
247static 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),
250
251 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
252 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC),
253
254 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
255 RX_HANDLER_ASYNC_LOCKED),
256 RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
257 RX_HANDLER_ASYNC_LOCKED),
258 RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
259 RX_HANDLER_ASYNC_LOCKED),
260
261 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
262 iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
263
264 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
265 RX_HANDLER_SYNC),
266 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
267 RX_HANDLER_ASYNC_LOCKED),
268
269 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
270
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,
277 RX_HANDLER_SYNC),
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),
282
283 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
284 RX_HANDLER_SYNC),
285
286 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
287 RX_HANDLER_SYNC),
288
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),
298
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,
302 RX_HANDLER_SYNC),
303 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
304 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),
305
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),
310
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),
319};
320#undef RX_HANDLER
321#undef RX_HANDLER_GRP
322
323
324
325
326static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
327 HCMD_NAME(MVM_ALIVE),
328 HCMD_NAME(REPLY_ERROR),
329 HCMD_NAME(ECHO_CMD),
330 HCMD_NAME(INIT_COMPLETE_NOTIF),
331 HCMD_NAME(PHY_CONTEXT_CMD),
332 HCMD_NAME(DBG_CFG),
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),
339 HCMD_NAME(ADD_STA),
340 HCMD_NAME(REMOVE_STA),
341 HCMD_NAME(FW_GET_ITEM_CMD),
342 HCMD_NAME(TX_CMD),
343 HCMD_NAME(SCD_QUEUE_CFG),
344 HCMD_NAME(TXPATH_FLUSH),
345 HCMD_NAME(MGMT_MCAST_KEY),
346 HCMD_NAME(WEP_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),
355 HCMD_NAME(LEDS_CMD),
356 HCMD_NAME(LQ_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(BAR_FRAME_RELEASE),
393 HCMD_NAME(FRAME_RELEASE),
394 HCMD_NAME(BA_NOTIF),
395 HCMD_NAME(MCC_UPDATE_CMD),
396 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
397 HCMD_NAME(MARKER_CMD),
398 HCMD_NAME(BT_PROFILE_NOTIFICATION),
399 HCMD_NAME(BCAST_FILTER_CMD),
400 HCMD_NAME(MCAST_FILTER_CMD),
401 HCMD_NAME(REPLY_SF_CFG_CMD),
402 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
403 HCMD_NAME(D3_CONFIG_CMD),
404 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
405 HCMD_NAME(OFFLOADS_QUERY_CMD),
406 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
407 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
408 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
409 HCMD_NAME(WOWLAN_PATTERNS),
410 HCMD_NAME(WOWLAN_CONFIGURATION),
411 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
412 HCMD_NAME(WOWLAN_TKIP_PARAM),
413 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
414 HCMD_NAME(WOWLAN_GET_STATUSES),
415 HCMD_NAME(SCAN_ITERATION_COMPLETE),
416 HCMD_NAME(D0I3_END_CMD),
417 HCMD_NAME(LTR_CONFIG),
418 HCMD_NAME(LDBG_CONFIG_CMD),
419};
420
421
422
423
424static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
425 HCMD_NAME(SHARED_MEM_CFG_CMD),
426 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
427 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
428};
429
430
431
432
433static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
434 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
435 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
436};
437
438
439
440
441static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
442 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
443 HCMD_NAME(CTDP_CONFIG_CMD),
444 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
445 HCMD_NAME(GEO_TX_POWER_LIMIT),
446 HCMD_NAME(CT_KILL_NOTIFICATION),
447 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
448};
449
450
451
452
453static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
454 HCMD_NAME(DQA_ENABLE_CMD),
455 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
456 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
457 HCMD_NAME(STA_HE_CTXT_CMD),
458 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
459 HCMD_NAME(TLC_MNG_CONFIG_CMD),
460 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
461 HCMD_NAME(STA_PM_NOTIF),
462 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
463 HCMD_NAME(RX_QUEUES_NOTIFICATION),
464};
465
466
467
468
469static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
470 HCMD_NAME(DBGC_SUSPEND_RESUME),
471 HCMD_NAME(BUFFER_ALLOCATION),
472 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
473};
474
475
476
477
478static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
479 HCMD_NAME(TOF_RANGE_REQ_CMD),
480 HCMD_NAME(TOF_CONFIG_CMD),
481 HCMD_NAME(TOF_RANGE_ABORT_CMD),
482 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
483 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
484 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
485 HCMD_NAME(TOF_LC_NOTIF),
486 HCMD_NAME(TOF_RESPONDER_STATS),
487 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
488 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
489};
490
491
492
493
494static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
495 HCMD_NAME(STORED_BEACON_NTF),
496};
497
498
499
500
501static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
502 HCMD_NAME(NVM_ACCESS_COMPLETE),
503 HCMD_NAME(NVM_GET_INFO),
504};
505
506static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
507 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
508 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
509 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
510 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
511 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
512 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
513 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
514 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
515 [REGULATORY_AND_NVM_GROUP] =
516 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
517};
518
519
520static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
521
522static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
523{
524 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
525 u64 dflt_pwr_limit;
526
527 if (!backoff)
528 return 0;
529
530 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
531
532 while (backoff->pwr) {
533 if (dflt_pwr_limit >= backoff->pwr)
534 return backoff->backoff;
535
536 backoff++;
537 }
538
539 return 0;
540}
541
542static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
543{
544 struct iwl_mvm *mvm =
545 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
546 struct ieee80211_vif *tx_blocked_vif;
547 struct iwl_mvm_vif *mvmvif;
548
549 mutex_lock(&mvm->mutex);
550
551 tx_blocked_vif =
552 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
553 lockdep_is_held(&mvm->mutex));
554
555 if (!tx_blocked_vif)
556 goto unlock;
557
558 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
559 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
560 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
561unlock:
562 mutex_unlock(&mvm->mutex);
563}
564
565static int iwl_mvm_fwrt_dump_start(void *ctx)
566{
567 struct iwl_mvm *mvm = ctx;
568
569 mutex_lock(&mvm->mutex);
570
571 return 0;
572}
573
574static void iwl_mvm_fwrt_dump_end(void *ctx)
575{
576 struct iwl_mvm *mvm = ctx;
577
578 mutex_unlock(&mvm->mutex);
579}
580
581static bool iwl_mvm_fwrt_fw_running(void *ctx)
582{
583 return iwl_mvm_firmware_running(ctx);
584}
585
586static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
587{
588 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
589 int ret;
590
591 mutex_lock(&mvm->mutex);
592 ret = iwl_mvm_send_cmd(mvm, host_cmd);
593 mutex_unlock(&mvm->mutex);
594
595 return ret;
596}
597
598static bool iwl_mvm_d3_debug_enable(void *ctx)
599{
600 return IWL_MVM_D3_DEBUG;
601}
602
603static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
604 .dump_start = iwl_mvm_fwrt_dump_start,
605 .dump_end = iwl_mvm_fwrt_dump_end,
606 .fw_running = iwl_mvm_fwrt_fw_running,
607 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
608 .d3_debug_enable = iwl_mvm_d3_debug_enable,
609};
610
611static struct iwl_op_mode *
612iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
613 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
614{
615 struct ieee80211_hw *hw;
616 struct iwl_op_mode *op_mode;
617 struct iwl_mvm *mvm;
618 struct iwl_trans_config trans_cfg = {};
619 static const u8 no_reclaim_cmds[] = {
620 TX_CMD,
621 };
622 int err, scan_size;
623 u32 min_backoff;
624 enum iwl_amsdu_size rb_size_default;
625
626
627
628
629
630
631 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
632
633
634
635
636 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
637 sizeof(struct iwl_mvm),
638 &iwl_mvm_hw_ops);
639 if (!hw)
640 return NULL;
641
642 if (cfg->max_rx_agg_size)
643 hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
644 else
645 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
646
647 if (cfg->max_tx_agg_size)
648 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
649 else
650 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
651
652 op_mode = hw->priv;
653
654 mvm = IWL_OP_MODE_GET_MVM(op_mode);
655 mvm->dev = trans->dev;
656 mvm->trans = trans;
657 mvm->cfg = cfg;
658 mvm->fw = fw;
659 mvm->hw = hw;
660
661 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
662 dbgfs_dir);
663
664 mvm->init_status = 0;
665
666 if (iwl_mvm_has_new_rx_api(mvm)) {
667 op_mode->ops = &iwl_mvm_ops_mq;
668 trans->rx_mpdu_cmd_hdr_size =
669 (trans->trans_cfg->device_family >=
670 IWL_DEVICE_FAMILY_22560) ?
671 sizeof(struct iwl_rx_mpdu_desc) :
672 IWL_RX_DESC_SIZE_V1;
673 } else {
674 op_mode->ops = &iwl_mvm_ops;
675 trans->rx_mpdu_cmd_hdr_size =
676 sizeof(struct iwl_rx_mpdu_res_start);
677
678 if (WARN_ON(trans->num_rx_queues > 1))
679 goto out_free;
680 }
681
682 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
683
684 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
685 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
686 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
687 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
688
689 mvm->sf_state = SF_UNINIT;
690 if (iwl_mvm_has_unified_ucode(mvm))
691 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
692 else
693 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
694 mvm->drop_bcn_ap_mode = true;
695
696 mutex_init(&mvm->mutex);
697 spin_lock_init(&mvm->async_handlers_lock);
698 INIT_LIST_HEAD(&mvm->time_event_list);
699 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
700 INIT_LIST_HEAD(&mvm->async_handlers_list);
701 spin_lock_init(&mvm->time_event_lock);
702 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
703
704 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
705 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
706 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
707 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
708 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
709 INIT_LIST_HEAD(&mvm->add_stream_txqs);
710
711 init_waitqueue_head(&mvm->rx_sync_waitq);
712
713 atomic_set(&mvm->queue_sync_counter, 0);
714
715 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
716
717 spin_lock_init(&mvm->tcm.lock);
718 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
719 mvm->tcm.ts = jiffies;
720 mvm->tcm.ll_ts = jiffies;
721 mvm->tcm.uapsd_nonagg_ts = jiffies;
722
723 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
724
725
726
727
728
729 trans_cfg.op_mode = op_mode;
730 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
731 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
732
733 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560)
734 rb_size_default = IWL_AMSDU_2K;
735 else
736 rb_size_default = IWL_AMSDU_4K;
737
738 switch (iwlwifi_mod_params.amsdu_size) {
739 case IWL_AMSDU_DEF:
740 trans_cfg.rx_buf_size = rb_size_default;
741 break;
742 case IWL_AMSDU_4K:
743 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
744 break;
745 case IWL_AMSDU_8K:
746 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
747 break;
748 case IWL_AMSDU_12K:
749 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
750 break;
751 default:
752 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
753 iwlwifi_mod_params.amsdu_size);
754 trans_cfg.rx_buf_size = rb_size_default;
755 }
756
757 trans->wide_cmd_header = true;
758 trans_cfg.bc_table_dword =
759 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_22560;
760
761 trans_cfg.command_groups = iwl_mvm_groups;
762 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
763
764 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
765 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
766 trans_cfg.scd_set_active = true;
767
768 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
769 driver_data[2]);
770
771 trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
772
773
774 trans_cfg.cmd_q_wdg_timeout =
775 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
776
777 snprintf(mvm->hw->wiphy->fw_version,
778 sizeof(mvm->hw->wiphy->fw_version),
779 "%s", fw->fw_version);
780
781
782 iwl_trans_configure(mvm->trans, &trans_cfg);
783
784 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
785 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
786 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
787 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
788 sizeof(trans->dbg.conf_tlv));
789 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
790
791 trans->iml = mvm->fw->iml;
792 trans->iml_len = mvm->fw->iml_len;
793
794
795 iwl_notification_wait_init(&mvm->notif_wait);
796
797
798 mvm->phy_db = iwl_phy_db_init(trans);
799 if (!mvm->phy_db) {
800 IWL_ERR(mvm, "Cannot init phy_db\n");
801 goto out_free;
802 }
803
804 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
805 mvm->cfg->name, mvm->trans->hw_rev);
806
807 if (iwlwifi_mod_params.nvm_file)
808 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
809 else
810 IWL_DEBUG_EEPROM(mvm->trans->dev,
811 "working without external nvm file\n");
812
813 err = iwl_trans_start_hw(mvm->trans);
814 if (err)
815 goto out_free;
816
817 mutex_lock(&mvm->mutex);
818 err = iwl_run_init_mvm_ucode(mvm, true);
819 if (err && err != -ERFKILL)
820 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
821 if (!iwlmvm_mod_params.init_dbg || !err)
822 iwl_mvm_stop_device(mvm);
823 mutex_unlock(&mvm->mutex);
824 if (err < 0) {
825 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
826 goto out_free;
827 }
828
829 scan_size = iwl_mvm_scan_size(mvm);
830
831 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
832 if (!mvm->scan_cmd)
833 goto out_free;
834
835
836 mvm->last_ebs_successful = true;
837
838 err = iwl_mvm_mac_setup_register(mvm);
839 if (err)
840 goto out_free;
841 mvm->hw_registered = true;
842
843 min_backoff = iwl_mvm_min_backoff(mvm);
844 iwl_mvm_thermal_initialize(mvm, min_backoff);
845
846 iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
847
848 if (!iwl_mvm_has_new_rx_stats_api(mvm))
849 memset(&mvm->rx_stats_v3, 0,
850 sizeof(struct mvm_statistics_rx_v3));
851 else
852 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
853
854 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
855
856 return op_mode;
857
858 out_free:
859 iwl_fw_flush_dumps(&mvm->fwrt);
860 iwl_fw_runtime_free(&mvm->fwrt);
861
862 if (iwlmvm_mod_params.init_dbg)
863 return op_mode;
864 iwl_phy_db_free(mvm->phy_db);
865 kfree(mvm->scan_cmd);
866 iwl_trans_op_mode_leave(trans);
867
868 ieee80211_free_hw(mvm->hw);
869 return NULL;
870}
871
872static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
873{
874 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
875 int i;
876
877 iwl_mvm_leds_exit(mvm);
878
879 iwl_mvm_thermal_exit(mvm);
880
881 ieee80211_unregister_hw(mvm->hw);
882
883 kfree(mvm->scan_cmd);
884 kfree(mvm->mcast_filter_cmd);
885 mvm->mcast_filter_cmd = NULL;
886
887 kfree(mvm->error_recovery_buf);
888 mvm->error_recovery_buf = NULL;
889
890 iwl_trans_op_mode_leave(mvm->trans);
891
892 iwl_phy_db_free(mvm->phy_db);
893 mvm->phy_db = NULL;
894
895 kfree(mvm->nvm_data);
896 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
897 kfree(mvm->nvm_sections[i].data);
898
899 cancel_delayed_work_sync(&mvm->tcm.work);
900
901 iwl_fw_runtime_free(&mvm->fwrt);
902 mutex_destroy(&mvm->mutex);
903
904 ieee80211_free_hw(mvm->hw);
905}
906
907struct iwl_async_handler_entry {
908 struct list_head list;
909 struct iwl_rx_cmd_buffer rxb;
910 enum iwl_rx_handler_context context;
911 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
912};
913
914void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
915{
916 struct iwl_async_handler_entry *entry, *tmp;
917
918 spin_lock_bh(&mvm->async_handlers_lock);
919 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
920 iwl_free_rxb(&entry->rxb);
921 list_del(&entry->list);
922 kfree(entry);
923 }
924 spin_unlock_bh(&mvm->async_handlers_lock);
925}
926
927static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
928{
929 struct iwl_mvm *mvm =
930 container_of(wk, struct iwl_mvm, async_handlers_wk);
931 struct iwl_async_handler_entry *entry, *tmp;
932 LIST_HEAD(local_list);
933
934
935
936
937
938
939
940 spin_lock_bh(&mvm->async_handlers_lock);
941 list_splice_init(&mvm->async_handlers_list, &local_list);
942 spin_unlock_bh(&mvm->async_handlers_lock);
943
944 list_for_each_entry_safe(entry, tmp, &local_list, list) {
945 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
946 mutex_lock(&mvm->mutex);
947 entry->fn(mvm, &entry->rxb);
948 iwl_free_rxb(&entry->rxb);
949 list_del(&entry->list);
950 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
951 mutex_unlock(&mvm->mutex);
952 kfree(entry);
953 }
954}
955
956static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
957 struct iwl_rx_packet *pkt)
958{
959 struct iwl_fw_dbg_trigger_tlv *trig;
960 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
961 int i;
962
963 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
964 FW_DBG_TRIGGER_FW_NOTIF);
965 if (!trig)
966 return;
967
968 cmds_trig = (void *)trig->data;
969
970 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
971
972 if (!cmds_trig->cmds[i].cmd_id)
973 break;
974
975 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
976 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
977 continue;
978
979 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
980 "CMD 0x%02x.%02x received",
981 pkt->hdr.group_id, pkt->hdr.cmd);
982 break;
983 }
984}
985
986static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
987 struct iwl_rx_cmd_buffer *rxb,
988 struct iwl_rx_packet *pkt)
989{
990 int i;
991 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
992
993 iwl_dbg_tlv_time_point(&mvm->fwrt,
994 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
995 iwl_mvm_rx_check_trigger(mvm, pkt);
996
997
998
999
1000
1001
1002 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1003
1004 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1005 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1006 struct iwl_async_handler_entry *entry;
1007
1008 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1009 continue;
1010
1011 if (rx_h->context == RX_HANDLER_SYNC) {
1012 rx_h->fn(mvm, rxb);
1013 return;
1014 }
1015
1016 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1017
1018 if (!entry)
1019 return;
1020
1021 entry->rxb._page = rxb_steal_page(rxb);
1022 entry->rxb._offset = rxb->_offset;
1023 entry->rxb._rx_page_order = rxb->_rx_page_order;
1024 entry->fn = rx_h->fn;
1025 entry->context = rx_h->context;
1026 spin_lock(&mvm->async_handlers_lock);
1027 list_add_tail(&entry->list, &mvm->async_handlers_list);
1028 spin_unlock(&mvm->async_handlers_lock);
1029 schedule_work(&mvm->async_handlers_wk);
1030 break;
1031 }
1032}
1033
1034static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1035 struct napi_struct *napi,
1036 struct iwl_rx_cmd_buffer *rxb)
1037{
1038 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1039 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1040 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1041
1042 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1043 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1044 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1045 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1046 else
1047 iwl_mvm_rx_common(mvm, rxb, pkt);
1048}
1049
1050static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1051 struct napi_struct *napi,
1052 struct iwl_rx_cmd_buffer *rxb)
1053{
1054 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1055 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1056 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1057
1058 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1059 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1060 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1061 RX_QUEUES_NOTIFICATION)))
1062 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1063 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1064 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1065 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1066 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1067 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1068 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1069 else
1070 iwl_mvm_rx_common(mvm, rxb, pkt);
1071}
1072
1073static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1074 const struct iwl_device_cmd *cmd)
1075{
1076 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1077
1078
1079
1080
1081
1082 iwl_trans_block_txq_ptrs(mvm->trans, false);
1083}
1084
1085static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1086{
1087 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1088 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1089}
1090
1091static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1092 int hw_queue, bool start)
1093{
1094 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1095 struct ieee80211_sta *sta;
1096 struct ieee80211_txq *txq;
1097 struct iwl_mvm_txq *mvmtxq;
1098 int i;
1099 unsigned long tid_bitmap;
1100 struct iwl_mvm_sta *mvmsta;
1101 u8 sta_id;
1102
1103 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1104 mvm->tvqm_info[hw_queue].sta_id :
1105 mvm->queue_info[hw_queue].ra_sta_id;
1106
1107 if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)))
1108 return;
1109
1110 rcu_read_lock();
1111
1112 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1113 if (IS_ERR_OR_NULL(sta))
1114 goto out;
1115 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1116
1117 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1118 if (!start)
1119 ieee80211_stop_queues(mvm->hw);
1120 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1121 ieee80211_wake_queues(mvm->hw);
1122
1123 goto out;
1124 }
1125
1126 if (iwl_mvm_has_new_tx_api(mvm)) {
1127 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1128
1129 tid_bitmap = BIT(tid);
1130 } else {
1131 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1132 }
1133
1134 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1135 int tid = i;
1136
1137 if (tid == IWL_MAX_TID_COUNT)
1138 tid = IEEE80211_NUM_TIDS;
1139
1140 txq = sta->txq[tid];
1141 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1142 mvmtxq->stopped = !start;
1143
1144 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1145 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1146 }
1147
1148out:
1149 rcu_read_unlock();
1150}
1151
1152static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1153{
1154 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1155}
1156
1157static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1158{
1159 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1160}
1161
1162static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1163{
1164 bool state = iwl_mvm_is_radio_killed(mvm);
1165
1166 if (state)
1167 wake_up(&mvm->rx_sync_waitq);
1168
1169 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1170}
1171
1172void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1173{
1174 if (state)
1175 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1176 else
1177 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1178
1179 iwl_mvm_set_rfkill_state(mvm);
1180}
1181
1182static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1183{
1184 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1185 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1186 bool unified = iwl_mvm_has_unified_ucode(mvm);
1187
1188 if (state)
1189 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1190 else
1191 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1192
1193 iwl_mvm_set_rfkill_state(mvm);
1194
1195
1196 if (rfkill_safe_init_done)
1197 iwl_abort_notification_waits(&mvm->notif_wait);
1198
1199
1200
1201
1202
1203 if (unified)
1204 return false;
1205
1206
1207
1208
1209
1210 return state && rfkill_safe_init_done;
1211}
1212
1213static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1214{
1215 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1216 struct ieee80211_tx_info *info;
1217
1218 info = IEEE80211_SKB_CB(skb);
1219 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1220 ieee80211_free_txskb(mvm->hw, skb);
1221}
1222
1223struct iwl_mvm_reprobe {
1224 struct device *dev;
1225 struct work_struct work;
1226};
1227
1228static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1229{
1230 struct iwl_mvm_reprobe *reprobe;
1231
1232 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1233 if (device_reprobe(reprobe->dev))
1234 dev_err(reprobe->dev, "reprobe failed!\n");
1235 kfree(reprobe);
1236 module_put(THIS_MODULE);
1237}
1238
1239void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1240{
1241 iwl_abort_notification_waits(&mvm->notif_wait);
1242 iwl_dbg_tlv_del_timers(mvm->trans);
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254 iwl_mvm_report_scan_aborted(mvm);
1255
1256
1257
1258
1259
1260
1261
1262 if (!mvm->fw_restart && fw_error) {
1263 iwl_fw_error_collect(&mvm->fwrt);
1264 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1265 struct iwl_mvm_reprobe *reprobe;
1266
1267 IWL_ERR(mvm,
1268 "Firmware error during reconfiguration - reprobe!\n");
1269
1270
1271
1272
1273
1274
1275 if (!try_module_get(THIS_MODULE)) {
1276 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1277 return;
1278 }
1279
1280 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1281 if (!reprobe) {
1282 module_put(THIS_MODULE);
1283 return;
1284 }
1285 reprobe->dev = mvm->trans->dev;
1286 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1287 schedule_work(&reprobe->work);
1288 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1289 &mvm->status)) {
1290 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1291 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1292 mvm->hw_registered &&
1293 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1294 if (mvm->fw->ucode_capa.error_log_size) {
1295 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1296 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1297 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1298
1299 if (recover_buf) {
1300 mvm->error_recovery_buf = recover_buf;
1301 iwl_trans_read_mem_bytes(mvm->trans,
1302 src_addr,
1303 recover_buf,
1304 src_size);
1305 }
1306 }
1307
1308 iwl_fw_error_collect(&mvm->fwrt);
1309
1310 if (fw_error && mvm->fw_restart > 0)
1311 mvm->fw_restart--;
1312 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1313 ieee80211_restart_hw(mvm->hw);
1314 }
1315}
1316
1317static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1318{
1319 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1320
1321 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
1322 iwl_mvm_dump_nic_error_log(mvm);
1323
1324 iwl_mvm_nic_restart(mvm, true);
1325}
1326
1327static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1328{
1329 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1330
1331 WARN_ON(1);
1332 iwl_mvm_nic_restart(mvm, true);
1333}
1334
1335#define IWL_MVM_COMMON_OPS \
1336 \
1337 .async_cb = iwl_mvm_async_cb, \
1338 .queue_full = iwl_mvm_stop_sw_queue, \
1339 .queue_not_full = iwl_mvm_wake_sw_queue, \
1340 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1341 .free_skb = iwl_mvm_free_skb, \
1342 .nic_error = iwl_mvm_nic_error, \
1343 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1344 .nic_config = iwl_mvm_nic_config, \
1345 \
1346 .start = iwl_op_mode_mvm_start, \
1347 .stop = iwl_op_mode_mvm_stop
1348
1349static const struct iwl_op_mode_ops iwl_mvm_ops = {
1350 IWL_MVM_COMMON_OPS,
1351 .rx = iwl_mvm_rx,
1352};
1353
1354static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1355 struct napi_struct *napi,
1356 struct iwl_rx_cmd_buffer *rxb,
1357 unsigned int queue)
1358{
1359 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1360 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1361 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1362
1363 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1364 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
1365 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1366 RX_QUEUES_NOTIFICATION)))
1367 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
1368 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1369 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1370}
1371
1372static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1373 IWL_MVM_COMMON_OPS,
1374 .rx = iwl_mvm_rx_mq,
1375 .rx_rss = iwl_mvm_rx_mq_rss,
1376};
1377
