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62#include <linux/module.h>
63#include <linux/vmalloc.h>
64#include <net/mac80211.h>
65
66#include "fw/notif-wait.h"
67#include "iwl-trans.h"
68#include "iwl-op-mode.h"
69#include "fw/img.h"
70#include "iwl-debug.h"
71#include "iwl-drv.h"
72#include "iwl-modparams.h"
73#include "mvm.h"
74#include "iwl-phy-db.h"
75#include "iwl-eeprom-parse.h"
76#include "iwl-csr.h"
77#include "iwl-io.h"
78#include "iwl-prph.h"
79#include "rs.h"
80#include "fw/api/scan.h"
81#include "time-event.h"
82#include "fw-api.h"
83#include "fw/acpi.h"
84
85#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
86MODULE_DESCRIPTION(DRV_DESCRIPTION);
87MODULE_AUTHOR(DRV_AUTHOR);
88MODULE_LICENSE("GPL");
89
90static const struct iwl_op_mode_ops iwl_mvm_ops;
91static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
92
93struct iwl_mvm_mod_params iwlmvm_mod_params = {
94 .power_scheme = IWL_POWER_SCHEME_BPS,
95
96};
97
98module_param_named(init_dbg, iwlmvm_mod_params.init_dbg, bool, 0444);
99MODULE_PARM_DESC(init_dbg,
100 "set to true to debug an ASSERT in INIT fw (default: false");
101module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
102MODULE_PARM_DESC(power_scheme,
103 "power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
104
105
106
107
108static int __init iwl_mvm_init(void)
109{
110 int ret;
111
112 ret = iwl_mvm_rate_control_register();
113 if (ret) {
114 pr_err("Unable to register rate control algorithm: %d\n", ret);
115 return ret;
116 }
117
118 ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
119 if (ret)
120 pr_err("Unable to register MVM op_mode: %d\n", ret);
121
122 return ret;
123}
124module_init(iwl_mvm_init);
125
126static void __exit iwl_mvm_exit(void)
127{
128 iwl_opmode_deregister("iwlmvm");
129 iwl_mvm_rate_control_unregister();
130}
131module_exit(iwl_mvm_exit);
132
133static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
134{
135 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
136 u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash;
137 u32 reg_val = 0;
138 u32 phy_config = iwl_mvm_get_phy_config(mvm);
139
140 radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >>
141 FW_PHY_CFG_RADIO_TYPE_POS;
142 radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >>
143 FW_PHY_CFG_RADIO_STEP_POS;
144 radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >>
145 FW_PHY_CFG_RADIO_DASH_POS;
146
147
148 reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) <<
149 CSR_HW_IF_CONFIG_REG_POS_MAC_STEP;
150 reg_val |= CSR_HW_REV_DASH(mvm->trans->hw_rev) <<
151 CSR_HW_IF_CONFIG_REG_POS_MAC_DASH;
152
153
154 reg_val |= radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE;
155 reg_val |= radio_cfg_step << CSR_HW_IF_CONFIG_REG_POS_PHY_STEP;
156 reg_val |= radio_cfg_dash << CSR_HW_IF_CONFIG_REG_POS_PHY_DASH;
157
158 WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) &
159 ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE);
160
161
162
163
164
165
166
167
168
169 if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_8000)
170 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
171
172 if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
173 reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
174
175 iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
176 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
177 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
178 CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE |
179 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
180 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
181 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
182 CSR_HW_IF_CONFIG_REG_BIT_MAC_SI |
183 CSR_HW_IF_CONFIG_REG_D3_DEBUG,
184 reg_val);
185
186 IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,
187 radio_cfg_step, radio_cfg_dash);
188
189
190
191
192
193
194 if (!mvm->trans->cfg->apmg_not_supported)
195 iwl_set_bits_mask_prph(mvm->trans, APMG_PS_CTRL_REG,
196 APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS,
197 ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS);
198}
199
200
201
202
203
204
205
206
207
208
209
210enum iwl_rx_handler_context {
211 RX_HANDLER_SYNC,
212 RX_HANDLER_ASYNC_LOCKED,
213 RX_HANDLER_ASYNC_UNLOCKED,
214};
215
216
217
218
219
220
221
222struct iwl_rx_handlers {
223 u16 cmd_id;
224 enum iwl_rx_handler_context context;
225 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
226};
227
228#define RX_HANDLER(_cmd_id, _fn, _context) \
229 { .cmd_id = _cmd_id, .fn = _fn, .context = _context }
230#define RX_HANDLER_GRP(_grp, _cmd, _fn, _context) \
231 { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .context = _context }
232
233
234
235
236
237
238
239
240static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
241 RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, RX_HANDLER_SYNC),
242 RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, RX_HANDLER_SYNC),
243
244 RX_HANDLER_GRP(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF,
245 iwl_mvm_tlc_update_notif, RX_HANDLER_SYNC),
246
247 RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif,
248 RX_HANDLER_ASYNC_LOCKED),
249 RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif,
250 RX_HANDLER_ASYNC_LOCKED),
251 RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics,
252 RX_HANDLER_ASYNC_LOCKED),
253
254 RX_HANDLER(BA_WINDOW_STATUS_NOTIFICATION_ID,
255 iwl_mvm_window_status_notif, RX_HANDLER_SYNC),
256
257 RX_HANDLER(TIME_EVENT_NOTIFICATION, iwl_mvm_rx_time_event_notif,
258 RX_HANDLER_SYNC),
259 RX_HANDLER_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
260 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC),
261 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
262 RX_HANDLER_ASYNC_LOCKED),
263
264 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
265
266 RX_HANDLER(SCAN_ITERATION_COMPLETE,
267 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
268 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
269 iwl_mvm_rx_lmac_scan_complete_notif,
270 RX_HANDLER_ASYNC_LOCKED),
271 RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
272 RX_HANDLER_SYNC),
273 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
274 RX_HANDLER_ASYNC_LOCKED),
275 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
276 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),
277
278 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
279 RX_HANDLER_SYNC),
280
281 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
282 RX_HANDLER_SYNC),
283
284 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
285 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
286 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
287 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
288 RX_HANDLER_ASYNC_LOCKED),
289 RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
290 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
291 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
292 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
293
294 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
295 RX_HANDLER_ASYNC_LOCKED),
296 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
297 RX_HANDLER_SYNC),
298 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
299 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),
300
301 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
302 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
303 RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF,
304 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
305
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),
314};
315#undef RX_HANDLER
316#undef RX_HANDLER_GRP
317
318
319
320
321static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
322 HCMD_NAME(MVM_ALIVE),
323 HCMD_NAME(REPLY_ERROR),
324 HCMD_NAME(ECHO_CMD),
325 HCMD_NAME(INIT_COMPLETE_NOTIF),
326 HCMD_NAME(PHY_CONTEXT_CMD),
327 HCMD_NAME(DBG_CFG),
328 HCMD_NAME(SCAN_CFG_CMD),
329 HCMD_NAME(SCAN_REQ_UMAC),
330 HCMD_NAME(SCAN_ABORT_UMAC),
331 HCMD_NAME(SCAN_COMPLETE_UMAC),
332 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
333 HCMD_NAME(ADD_STA_KEY),
334 HCMD_NAME(ADD_STA),
335 HCMD_NAME(REMOVE_STA),
336 HCMD_NAME(FW_GET_ITEM_CMD),
337 HCMD_NAME(TX_CMD),
338 HCMD_NAME(SCD_QUEUE_CFG),
339 HCMD_NAME(TXPATH_FLUSH),
340 HCMD_NAME(MGMT_MCAST_KEY),
341 HCMD_NAME(WEP_KEY),
342 HCMD_NAME(SHARED_MEM_CFG),
343 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
344 HCMD_NAME(MAC_CONTEXT_CMD),
345 HCMD_NAME(TIME_EVENT_CMD),
346 HCMD_NAME(TIME_EVENT_NOTIFICATION),
347 HCMD_NAME(BINDING_CONTEXT_CMD),
348 HCMD_NAME(TIME_QUOTA_CMD),
349 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
350 HCMD_NAME(LEDS_CMD),
351 HCMD_NAME(LQ_CMD),
352 HCMD_NAME(FW_PAGING_BLOCK_CMD),
353 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
354 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
355 HCMD_NAME(HOT_SPOT_CMD),
356 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
357 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
358 HCMD_NAME(BT_COEX_CI),
359 HCMD_NAME(PHY_CONFIGURATION_CMD),
360 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
361 HCMD_NAME(PHY_DB_CMD),
362 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
363 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
364 HCMD_NAME(POWER_TABLE_CMD),
365 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
366 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
367 HCMD_NAME(DC2DC_CONFIG_CMD),
368 HCMD_NAME(NVM_ACCESS_CMD),
369 HCMD_NAME(BEACON_NOTIFICATION),
370 HCMD_NAME(BEACON_TEMPLATE_CMD),
371 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
372 HCMD_NAME(BT_CONFIG),
373 HCMD_NAME(STATISTICS_CMD),
374 HCMD_NAME(STATISTICS_NOTIFICATION),
375 HCMD_NAME(EOSP_NOTIFICATION),
376 HCMD_NAME(REDUCE_TX_POWER_CMD),
377 HCMD_NAME(CARD_STATE_NOTIFICATION),
378 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
379 HCMD_NAME(TDLS_CONFIG_CMD),
380 HCMD_NAME(MAC_PM_POWER_TABLE),
381 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
382 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
383 HCMD_NAME(RSS_CONFIG_CMD),
384 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
385 HCMD_NAME(REPLY_RX_PHY_CMD),
386 HCMD_NAME(REPLY_RX_MPDU_CMD),
387 HCMD_NAME(BAR_FRAME_RELEASE),
388 HCMD_NAME(FRAME_RELEASE),
389 HCMD_NAME(BA_NOTIF),
390 HCMD_NAME(MCC_UPDATE_CMD),
391 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
392 HCMD_NAME(MARKER_CMD),
393 HCMD_NAME(BT_PROFILE_NOTIFICATION),
394 HCMD_NAME(BCAST_FILTER_CMD),
395 HCMD_NAME(MCAST_FILTER_CMD),
396 HCMD_NAME(REPLY_SF_CFG_CMD),
397 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
398 HCMD_NAME(D3_CONFIG_CMD),
399 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
400 HCMD_NAME(OFFLOADS_QUERY_CMD),
401 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
402 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
403 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
404 HCMD_NAME(WOWLAN_PATTERNS),
405 HCMD_NAME(WOWLAN_CONFIGURATION),
406 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
407 HCMD_NAME(WOWLAN_TKIP_PARAM),
408 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
409 HCMD_NAME(WOWLAN_GET_STATUSES),
410 HCMD_NAME(SCAN_ITERATION_COMPLETE),
411 HCMD_NAME(D0I3_END_CMD),
412 HCMD_NAME(LTR_CONFIG),
413 HCMD_NAME(LDBG_CONFIG_CMD),
414};
415
416
417
418
419static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
420 HCMD_NAME(SHARED_MEM_CFG_CMD),
421 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
422 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
423};
424
425
426
427
428static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
429 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
430 HCMD_NAME(SESSION_PROTECTION_CMD),
431 HCMD_NAME(SESSION_PROTECTION_NOTIF),
432 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
433};
434
435
436
437
438static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
439 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
440 HCMD_NAME(CTDP_CONFIG_CMD),
441 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
442 HCMD_NAME(GEO_TX_POWER_LIMIT),
443 HCMD_NAME(CT_KILL_NOTIFICATION),
444 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
445};
446
447
448
449
450static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
451 HCMD_NAME(DQA_ENABLE_CMD),
452 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
453 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
454 HCMD_NAME(STA_HE_CTXT_CMD),
455 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
456 HCMD_NAME(TLC_MNG_CONFIG_CMD),
457 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
458 HCMD_NAME(STA_PM_NOTIF),
459 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
460 HCMD_NAME(RX_QUEUES_NOTIFICATION),
461};
462
463
464
465
466static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
467 HCMD_NAME(DBGC_SUSPEND_RESUME),
468 HCMD_NAME(BUFFER_ALLOCATION),
469 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
470};
471
472
473
474
475static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
476 HCMD_NAME(TOF_RANGE_REQ_CMD),
477 HCMD_NAME(TOF_CONFIG_CMD),
478 HCMD_NAME(TOF_RANGE_ABORT_CMD),
479 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
480 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
481 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
482 HCMD_NAME(TOF_LC_NOTIF),
483 HCMD_NAME(TOF_RESPONDER_STATS),
484 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
485 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
486};
487
488
489
490
491static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
492 HCMD_NAME(STORED_BEACON_NTF),
493};
494
495
496
497
498static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
499 HCMD_NAME(NVM_ACCESS_COMPLETE),
500 HCMD_NAME(NVM_GET_INFO),
501 HCMD_NAME(TAS_CONFIG),
502};
503
504static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
505 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
506 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
507 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
508 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
509 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
510 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
511 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
512 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
513 [REGULATORY_AND_NVM_GROUP] =
514 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
515};
516
517
518static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
519
520static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
521{
522 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
523 u64 dflt_pwr_limit;
524
525 if (!backoff)
526 return 0;
527
528 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
529
530 while (backoff->pwr) {
531 if (dflt_pwr_limit >= backoff->pwr)
532 return backoff->backoff;
533
534 backoff++;
535 }
536
537 return 0;
538}
539
540static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
541{
542 struct iwl_mvm *mvm =
543 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
544 struct ieee80211_vif *tx_blocked_vif;
545 struct iwl_mvm_vif *mvmvif;
546
547 mutex_lock(&mvm->mutex);
548
549 tx_blocked_vif =
550 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
551 lockdep_is_held(&mvm->mutex));
552
553 if (!tx_blocked_vif)
554 goto unlock;
555
556 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
557 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
558 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
559unlock:
560 mutex_unlock(&mvm->mutex);
561}
562
563static int iwl_mvm_fwrt_dump_start(void *ctx)
564{
565 struct iwl_mvm *mvm = ctx;
566
567 mutex_lock(&mvm->mutex);
568
569 return 0;
570}
571
572static void iwl_mvm_fwrt_dump_end(void *ctx)
573{
574 struct iwl_mvm *mvm = ctx;
575
576 mutex_unlock(&mvm->mutex);
577}
578
579static bool iwl_mvm_fwrt_fw_running(void *ctx)
580{
581 return iwl_mvm_firmware_running(ctx);
582}
583
584static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
585{
586 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
587 int ret;
588
589 mutex_lock(&mvm->mutex);
590 ret = iwl_mvm_send_cmd(mvm, host_cmd);
591 mutex_unlock(&mvm->mutex);
592
593 return ret;
594}
595
596static bool iwl_mvm_d3_debug_enable(void *ctx)
597{
598 return IWL_MVM_D3_DEBUG;
599}
600
601static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
602 .dump_start = iwl_mvm_fwrt_dump_start,
603 .dump_end = iwl_mvm_fwrt_dump_end,
604 .fw_running = iwl_mvm_fwrt_fw_running,
605 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
606 .d3_debug_enable = iwl_mvm_d3_debug_enable,
607};
608
609static struct iwl_op_mode *
610iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
611 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
612{
613 struct ieee80211_hw *hw;
614 struct iwl_op_mode *op_mode;
615 struct iwl_mvm *mvm;
616 struct iwl_trans_config trans_cfg = {};
617 static const u8 no_reclaim_cmds[] = {
618 TX_CMD,
619 };
620 int err, scan_size;
621 u32 min_backoff;
622 enum iwl_amsdu_size rb_size_default;
623
624
625
626
627
628
629 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
630
631
632
633
634 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
635 sizeof(struct iwl_mvm),
636 &iwl_mvm_hw_ops);
637 if (!hw)
638 return NULL;
639
640 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
641
642 if (cfg->max_tx_agg_size)
643 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
644 else
645 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
646
647 op_mode = hw->priv;
648
649 mvm = IWL_OP_MODE_GET_MVM(op_mode);
650 mvm->dev = trans->dev;
651 mvm->trans = trans;
652 mvm->cfg = cfg;
653 mvm->fw = fw;
654 mvm->hw = hw;
655
656 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
657 dbgfs_dir);
658
659 mvm->init_status = 0;
660
661 if (iwl_mvm_has_new_rx_api(mvm)) {
662 op_mode->ops = &iwl_mvm_ops_mq;
663 trans->rx_mpdu_cmd_hdr_size =
664 (trans->trans_cfg->device_family >=
665 IWL_DEVICE_FAMILY_AX210) ?
666 sizeof(struct iwl_rx_mpdu_desc) :
667 IWL_RX_DESC_SIZE_V1;
668 } else {
669 op_mode->ops = &iwl_mvm_ops;
670 trans->rx_mpdu_cmd_hdr_size =
671 sizeof(struct iwl_rx_mpdu_res_start);
672
673 if (WARN_ON(trans->num_rx_queues > 1))
674 goto out_free;
675 }
676
677 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
678
679 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
680 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
681 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
682 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
683
684 mvm->sf_state = SF_UNINIT;
685 if (iwl_mvm_has_unified_ucode(mvm))
686 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
687 else
688 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
689 mvm->drop_bcn_ap_mode = true;
690
691 mutex_init(&mvm->mutex);
692 spin_lock_init(&mvm->async_handlers_lock);
693 INIT_LIST_HEAD(&mvm->time_event_list);
694 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
695 INIT_LIST_HEAD(&mvm->async_handlers_list);
696 spin_lock_init(&mvm->time_event_lock);
697 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
698
699 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
700 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
701 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
702 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
703 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
704 INIT_LIST_HEAD(&mvm->add_stream_txqs);
705
706 init_waitqueue_head(&mvm->rx_sync_waitq);
707
708 atomic_set(&mvm->queue_sync_counter, 0);
709
710 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
711
712 spin_lock_init(&mvm->tcm.lock);
713 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
714 mvm->tcm.ts = jiffies;
715 mvm->tcm.ll_ts = jiffies;
716 mvm->tcm.uapsd_nonagg_ts = jiffies;
717
718 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
719
720 mvm->cmd_ver.d0i3_resp =
721 iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD,
722 0);
723
724 if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
725 goto out_free;
726
727
728
729
730
731 trans_cfg.op_mode = op_mode;
732 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
733 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
734
735 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
736 rb_size_default = IWL_AMSDU_2K;
737 else
738 rb_size_default = IWL_AMSDU_4K;
739
740 switch (iwlwifi_mod_params.amsdu_size) {
741 case IWL_AMSDU_DEF:
742 trans_cfg.rx_buf_size = rb_size_default;
743 break;
744 case IWL_AMSDU_4K:
745 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
746 break;
747 case IWL_AMSDU_8K:
748 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
749 break;
750 case IWL_AMSDU_12K:
751 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
752 break;
753 default:
754 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
755 iwlwifi_mod_params.amsdu_size);
756 trans_cfg.rx_buf_size = rb_size_default;
757 }
758
759 trans->wide_cmd_header = true;
760 trans_cfg.bc_table_dword =
761 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
762
763 trans_cfg.command_groups = iwl_mvm_groups;
764 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
765
766 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
767 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
768 trans_cfg.scd_set_active = true;
769
770 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
771 driver_data[2]);
772
773 trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
774
775
776 trans_cfg.cmd_q_wdg_timeout =
777 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
778
779 snprintf(mvm->hw->wiphy->fw_version,
780 sizeof(mvm->hw->wiphy->fw_version),
781 "%s", fw->fw_version);
782
783
784 iwl_trans_configure(mvm->trans, &trans_cfg);
785
786 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
787 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
788 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
789 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
790 sizeof(trans->dbg.conf_tlv));
791 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
792
793 trans->iml = mvm->fw->iml;
794 trans->iml_len = mvm->fw->iml_len;
795
796
797 iwl_notification_wait_init(&mvm->notif_wait);
798
799
800 mvm->phy_db = iwl_phy_db_init(trans);
801 if (!mvm->phy_db) {
802 IWL_ERR(mvm, "Cannot init phy_db\n");
803 goto out_free;
804 }
805
806 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
807 mvm->trans->name, mvm->trans->hw_rev);
808
809 if (iwlwifi_mod_params.nvm_file)
810 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
811 else
812 IWL_DEBUG_EEPROM(mvm->trans->dev,
813 "working without external nvm file\n");
814
815 err = iwl_trans_start_hw(mvm->trans);
816 if (err)
817 goto out_free;
818
819 mutex_lock(&mvm->mutex);
820 err = iwl_run_init_mvm_ucode(mvm, true);
821 if (err && err != -ERFKILL)
822 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
823 if (!iwlmvm_mod_params.init_dbg || !err)
824 iwl_mvm_stop_device(mvm);
825 mutex_unlock(&mvm->mutex);
826 if (err < 0) {
827 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
828 goto out_free;
829 }
830
831 scan_size = iwl_mvm_scan_size(mvm);
832
833 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
834 if (!mvm->scan_cmd)
835 goto out_free;
836
837
838 mvm->last_ebs_successful = true;
839
840 err = iwl_mvm_mac_setup_register(mvm);
841 if (err)
842 goto out_free;
843 mvm->hw_registered = true;
844
845 min_backoff = iwl_mvm_min_backoff(mvm);
846 iwl_mvm_thermal_initialize(mvm, min_backoff);
847
848 iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
849
850 if (!iwl_mvm_has_new_rx_stats_api(mvm))
851 memset(&mvm->rx_stats_v3, 0,
852 sizeof(struct mvm_statistics_rx_v3));
853 else
854 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
855
856 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
857
858 return op_mode;
859
860 out_free:
861 iwl_fw_flush_dumps(&mvm->fwrt);
862 iwl_fw_runtime_free(&mvm->fwrt);
863
864 if (iwlmvm_mod_params.init_dbg)
865 return op_mode;
866 iwl_phy_db_free(mvm->phy_db);
867 kfree(mvm->scan_cmd);
868 iwl_trans_op_mode_leave(trans);
869
870 ieee80211_free_hw(mvm->hw);
871 return NULL;
872}
873
874static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
875{
876 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
877 int i;
878
879 iwl_mvm_leds_exit(mvm);
880
881 iwl_mvm_thermal_exit(mvm);
882
883 ieee80211_unregister_hw(mvm->hw);
884
885 kfree(mvm->scan_cmd);
886 kfree(mvm->mcast_filter_cmd);
887 mvm->mcast_filter_cmd = NULL;
888
889 kfree(mvm->error_recovery_buf);
890 mvm->error_recovery_buf = NULL;
891
892 iwl_trans_op_mode_leave(mvm->trans);
893
894 iwl_phy_db_free(mvm->phy_db);
895 mvm->phy_db = NULL;
896
897 kfree(mvm->nvm_data);
898 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
899 kfree(mvm->nvm_sections[i].data);
900
901 cancel_delayed_work_sync(&mvm->tcm.work);
902
903 iwl_fw_runtime_free(&mvm->fwrt);
904 mutex_destroy(&mvm->mutex);
905
906 ieee80211_free_hw(mvm->hw);
907}
908
909struct iwl_async_handler_entry {
910 struct list_head list;
911 struct iwl_rx_cmd_buffer rxb;
912 enum iwl_rx_handler_context context;
913 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
914};
915
916void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
917{
918 struct iwl_async_handler_entry *entry, *tmp;
919
920 spin_lock_bh(&mvm->async_handlers_lock);
921 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
922 iwl_free_rxb(&entry->rxb);
923 list_del(&entry->list);
924 kfree(entry);
925 }
926 spin_unlock_bh(&mvm->async_handlers_lock);
927}
928
929static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
930{
931 struct iwl_mvm *mvm =
932 container_of(wk, struct iwl_mvm, async_handlers_wk);
933 struct iwl_async_handler_entry *entry, *tmp;
934 LIST_HEAD(local_list);
935
936
937
938
939
940
941
942 spin_lock_bh(&mvm->async_handlers_lock);
943 list_splice_init(&mvm->async_handlers_list, &local_list);
944 spin_unlock_bh(&mvm->async_handlers_lock);
945
946 list_for_each_entry_safe(entry, tmp, &local_list, list) {
947 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
948 mutex_lock(&mvm->mutex);
949 entry->fn(mvm, &entry->rxb);
950 iwl_free_rxb(&entry->rxb);
951 list_del(&entry->list);
952 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
953 mutex_unlock(&mvm->mutex);
954 kfree(entry);
955 }
956}
957
958static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
959 struct iwl_rx_packet *pkt)
960{
961 struct iwl_fw_dbg_trigger_tlv *trig;
962 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
963 int i;
964
965 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
966 FW_DBG_TRIGGER_FW_NOTIF);
967 if (!trig)
968 return;
969
970 cmds_trig = (void *)trig->data;
971
972 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
973
974 if (!cmds_trig->cmds[i].cmd_id)
975 break;
976
977 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
978 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
979 continue;
980
981 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
982 "CMD 0x%02x.%02x received",
983 pkt->hdr.group_id, pkt->hdr.cmd);
984 break;
985 }
986}
987
988static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
989 struct iwl_rx_cmd_buffer *rxb,
990 struct iwl_rx_packet *pkt)
991{
992 int i;
993 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
994
995 iwl_dbg_tlv_time_point(&mvm->fwrt,
996 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
997 iwl_mvm_rx_check_trigger(mvm, pkt);
998
999
1000
1001
1002
1003
1004 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1005
1006 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1007 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1008 struct iwl_async_handler_entry *entry;
1009
1010 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1011 continue;
1012
1013 if (rx_h->context == RX_HANDLER_SYNC) {
1014 rx_h->fn(mvm, rxb);
1015 return;
1016 }
1017
1018 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1019
1020 if (!entry)
1021 return;
1022
1023 entry->rxb._page = rxb_steal_page(rxb);
1024 entry->rxb._offset = rxb->_offset;
1025 entry->rxb._rx_page_order = rxb->_rx_page_order;
1026 entry->fn = rx_h->fn;
1027 entry->context = rx_h->context;
1028 spin_lock(&mvm->async_handlers_lock);
1029 list_add_tail(&entry->list, &mvm->async_handlers_list);
1030 spin_unlock(&mvm->async_handlers_lock);
1031 schedule_work(&mvm->async_handlers_wk);
1032 break;
1033 }
1034}
1035
1036static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1037 struct napi_struct *napi,
1038 struct iwl_rx_cmd_buffer *rxb)
1039{
1040 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1041 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1042 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1043
1044 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1045 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1046 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1047 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1048 else
1049 iwl_mvm_rx_common(mvm, rxb, pkt);
1050}
1051
1052static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1053 struct napi_struct *napi,
1054 struct iwl_rx_cmd_buffer *rxb)
1055{
1056 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1057 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1058 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1059
1060 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1061 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1062 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1063 RX_QUEUES_NOTIFICATION)))
1064 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1065 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1066 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1067 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1068 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1069 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1070 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1071 else
1072 iwl_mvm_rx_common(mvm, rxb, pkt);
1073}
1074
1075static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1076 const struct iwl_device_cmd *cmd)
1077{
1078 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1079
1080
1081
1082
1083
1084 iwl_trans_block_txq_ptrs(mvm->trans, false);
1085}
1086
1087static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1088{
1089 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1090 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1091}
1092
1093static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1094 int hw_queue, bool start)
1095{
1096 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1097 struct ieee80211_sta *sta;
1098 struct ieee80211_txq *txq;
1099 struct iwl_mvm_txq *mvmtxq;
1100 int i;
1101 unsigned long tid_bitmap;
1102 struct iwl_mvm_sta *mvmsta;
1103 u8 sta_id;
1104
1105 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1106 mvm->tvqm_info[hw_queue].sta_id :
1107 mvm->queue_info[hw_queue].ra_sta_id;
1108
1109 if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)))
1110 return;
1111
1112 rcu_read_lock();
1113
1114 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1115 if (IS_ERR_OR_NULL(sta))
1116 goto out;
1117 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1118
1119 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1120 if (!start)
1121 ieee80211_stop_queues(mvm->hw);
1122 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1123 ieee80211_wake_queues(mvm->hw);
1124
1125 goto out;
1126 }
1127
1128 if (iwl_mvm_has_new_tx_api(mvm)) {
1129 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1130
1131 tid_bitmap = BIT(tid);
1132 } else {
1133 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1134 }
1135
1136 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1137 int tid = i;
1138
1139 if (tid == IWL_MAX_TID_COUNT)
1140 tid = IEEE80211_NUM_TIDS;
1141
1142 txq = sta->txq[tid];
1143 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1144 mvmtxq->stopped = !start;
1145
1146 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1147 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1148 }
1149
1150out:
1151 rcu_read_unlock();
1152}
1153
1154static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1155{
1156 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1157}
1158
1159static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1160{
1161 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1162}
1163
1164static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1165{
1166 bool state = iwl_mvm_is_radio_killed(mvm);
1167
1168 if (state)
1169 wake_up(&mvm->rx_sync_waitq);
1170
1171 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1172}
1173
1174void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1175{
1176 if (state)
1177 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1178 else
1179 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1180
1181 iwl_mvm_set_rfkill_state(mvm);
1182}
1183
1184static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1185{
1186 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1187 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1188 bool unified = iwl_mvm_has_unified_ucode(mvm);
1189
1190 if (state)
1191 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1192 else
1193 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1194
1195 iwl_mvm_set_rfkill_state(mvm);
1196
1197
1198 if (rfkill_safe_init_done)
1199 iwl_abort_notification_waits(&mvm->notif_wait);
1200
1201
1202
1203
1204
1205 if (unified)
1206 return false;
1207
1208
1209
1210
1211
1212 return state && rfkill_safe_init_done;
1213}
1214
1215static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1216{
1217 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1218 struct ieee80211_tx_info *info;
1219
1220 info = IEEE80211_SKB_CB(skb);
1221 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1222 ieee80211_free_txskb(mvm->hw, skb);
1223}
1224
1225struct iwl_mvm_reprobe {
1226 struct device *dev;
1227 struct work_struct work;
1228};
1229
1230static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1231{
1232 struct iwl_mvm_reprobe *reprobe;
1233
1234 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1235 if (device_reprobe(reprobe->dev))
1236 dev_err(reprobe->dev, "reprobe failed!\n");
1237 kfree(reprobe);
1238 module_put(THIS_MODULE);
1239}
1240
1241void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1242{
1243 iwl_abort_notification_waits(&mvm->notif_wait);
1244 iwl_dbg_tlv_del_timers(mvm->trans);
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256 iwl_mvm_report_scan_aborted(mvm);
1257
1258
1259
1260
1261
1262
1263
1264 if (!mvm->fw_restart && fw_error) {
1265 iwl_fw_error_collect(&mvm->fwrt);
1266 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1267 struct iwl_mvm_reprobe *reprobe;
1268
1269 IWL_ERR(mvm,
1270 "Firmware error during reconfiguration - reprobe!\n");
1271
1272
1273
1274
1275
1276
1277 if (!try_module_get(THIS_MODULE)) {
1278 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1279 return;
1280 }
1281
1282 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1283 if (!reprobe) {
1284 module_put(THIS_MODULE);
1285 return;
1286 }
1287 reprobe->dev = mvm->trans->dev;
1288 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1289 schedule_work(&reprobe->work);
1290 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1291 &mvm->status)) {
1292 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1293 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1294 mvm->hw_registered &&
1295 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1296 if (mvm->fw->ucode_capa.error_log_size) {
1297 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1298 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1299 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1300
1301 if (recover_buf) {
1302 mvm->error_recovery_buf = recover_buf;
1303 iwl_trans_read_mem_bytes(mvm->trans,
1304 src_addr,
1305 recover_buf,
1306 src_size);
1307 }
1308 }
1309
1310 iwl_fw_error_collect(&mvm->fwrt);
1311
1312 if (fw_error && mvm->fw_restart > 0)
1313 mvm->fw_restart--;
1314 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1315 ieee80211_restart_hw(mvm->hw);
1316 }
1317}
1318
1319static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1320{
1321 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1322
1323 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
1324 iwl_mvm_dump_nic_error_log(mvm);
1325
1326 iwl_mvm_nic_restart(mvm, true);
1327}
1328
1329static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1330{
1331 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1332
1333 WARN_ON(1);
1334 iwl_mvm_nic_restart(mvm, true);
1335}
1336
1337#define IWL_MVM_COMMON_OPS \
1338 \
1339 .async_cb = iwl_mvm_async_cb, \
1340 .queue_full = iwl_mvm_stop_sw_queue, \
1341 .queue_not_full = iwl_mvm_wake_sw_queue, \
1342 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1343 .free_skb = iwl_mvm_free_skb, \
1344 .nic_error = iwl_mvm_nic_error, \
1345 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1346 .nic_config = iwl_mvm_nic_config, \
1347 \
1348 .start = iwl_op_mode_mvm_start, \
1349 .stop = iwl_op_mode_mvm_stop
1350
1351static const struct iwl_op_mode_ops iwl_mvm_ops = {
1352 IWL_MVM_COMMON_OPS,
1353 .rx = iwl_mvm_rx,
1354};
1355
1356static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1357 struct napi_struct *napi,
1358 struct iwl_rx_cmd_buffer *rxb,
1359 unsigned int queue)
1360{
1361 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1362 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1363 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1364
1365 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1366 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
1367 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1368 RX_QUEUES_NOTIFICATION)))
1369 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
1370 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1371 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1372}
1373
1374static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1375 IWL_MVM_COMMON_OPS,
1376 .rx = iwl_mvm_rx_mq,
1377 .rx_rss = iwl_mvm_rx_mq_rss,
1378};
1379
