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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_GRP(MAC_CONF_GROUP, SESSION_PROTECTION_NOTIF,
267 iwl_mvm_rx_session_protect_notif, RX_HANDLER_SYNC),
268 RX_HANDLER(MCC_CHUB_UPDATE_CMD, iwl_mvm_rx_chub_update_mcc,
269 RX_HANDLER_ASYNC_LOCKED),
270
271 RX_HANDLER(EOSP_NOTIFICATION, iwl_mvm_rx_eosp_notif, RX_HANDLER_SYNC),
272
273 RX_HANDLER(SCAN_ITERATION_COMPLETE,
274 iwl_mvm_rx_lmac_scan_iter_complete_notif, RX_HANDLER_SYNC),
275 RX_HANDLER(SCAN_OFFLOAD_COMPLETE,
276 iwl_mvm_rx_lmac_scan_complete_notif,
277 RX_HANDLER_ASYNC_LOCKED),
278 RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_match_found,
279 RX_HANDLER_SYNC),
280 RX_HANDLER(SCAN_COMPLETE_UMAC, iwl_mvm_rx_umac_scan_complete_notif,
281 RX_HANDLER_ASYNC_LOCKED),
282 RX_HANDLER(SCAN_ITERATION_COMPLETE_UMAC,
283 iwl_mvm_rx_umac_scan_iter_complete_notif, RX_HANDLER_SYNC),
284
285 RX_HANDLER(CARD_STATE_NOTIFICATION, iwl_mvm_rx_card_state_notif,
286 RX_HANDLER_SYNC),
287
288 RX_HANDLER(MISSED_BEACONS_NOTIFICATION, iwl_mvm_rx_missed_beacons_notif,
289 RX_HANDLER_SYNC),
290
291 RX_HANDLER(REPLY_ERROR, iwl_mvm_rx_fw_error, RX_HANDLER_SYNC),
292 RX_HANDLER(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION,
293 iwl_mvm_power_uapsd_misbehaving_ap_notif, RX_HANDLER_SYNC),
294 RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif,
295 RX_HANDLER_ASYNC_LOCKED),
296 RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE,
297 iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED),
298 RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION,
299 iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC),
300
301 RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif,
302 RX_HANDLER_ASYNC_LOCKED),
303 RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
304 RX_HANDLER_SYNC),
305 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
306 iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),
307
308 RX_HANDLER_GRP(LOCATION_GROUP, TOF_RANGE_RESPONSE_NOTIF,
309 iwl_mvm_ftm_range_resp, RX_HANDLER_ASYNC_LOCKED),
310 RX_HANDLER_GRP(LOCATION_GROUP, TOF_LC_NOTIF,
311 iwl_mvm_ftm_lc_notif, RX_HANDLER_ASYNC_LOCKED),
312
313 RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
314 iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
315 RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,
316 iwl_mvm_rx_stored_beacon_notif, RX_HANDLER_SYNC),
317 RX_HANDLER_GRP(DATA_PATH_GROUP, MU_GROUP_MGMT_NOTIF,
318 iwl_mvm_mu_mimo_grp_notif, RX_HANDLER_SYNC),
319 RX_HANDLER_GRP(DATA_PATH_GROUP, STA_PM_NOTIF,
320 iwl_mvm_sta_pm_notif, RX_HANDLER_SYNC),
321};
322#undef RX_HANDLER
323#undef RX_HANDLER_GRP
324
325
326
327
328static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
329 HCMD_NAME(MVM_ALIVE),
330 HCMD_NAME(REPLY_ERROR),
331 HCMD_NAME(ECHO_CMD),
332 HCMD_NAME(INIT_COMPLETE_NOTIF),
333 HCMD_NAME(PHY_CONTEXT_CMD),
334 HCMD_NAME(DBG_CFG),
335 HCMD_NAME(SCAN_CFG_CMD),
336 HCMD_NAME(SCAN_REQ_UMAC),
337 HCMD_NAME(SCAN_ABORT_UMAC),
338 HCMD_NAME(SCAN_COMPLETE_UMAC),
339 HCMD_NAME(BA_WINDOW_STATUS_NOTIFICATION_ID),
340 HCMD_NAME(ADD_STA_KEY),
341 HCMD_NAME(ADD_STA),
342 HCMD_NAME(REMOVE_STA),
343 HCMD_NAME(FW_GET_ITEM_CMD),
344 HCMD_NAME(TX_CMD),
345 HCMD_NAME(SCD_QUEUE_CFG),
346 HCMD_NAME(TXPATH_FLUSH),
347 HCMD_NAME(MGMT_MCAST_KEY),
348 HCMD_NAME(WEP_KEY),
349 HCMD_NAME(SHARED_MEM_CFG),
350 HCMD_NAME(TDLS_CHANNEL_SWITCH_CMD),
351 HCMD_NAME(MAC_CONTEXT_CMD),
352 HCMD_NAME(TIME_EVENT_CMD),
353 HCMD_NAME(TIME_EVENT_NOTIFICATION),
354 HCMD_NAME(BINDING_CONTEXT_CMD),
355 HCMD_NAME(TIME_QUOTA_CMD),
356 HCMD_NAME(NON_QOS_TX_COUNTER_CMD),
357 HCMD_NAME(LEDS_CMD),
358 HCMD_NAME(LQ_CMD),
359 HCMD_NAME(FW_PAGING_BLOCK_CMD),
360 HCMD_NAME(SCAN_OFFLOAD_REQUEST_CMD),
361 HCMD_NAME(SCAN_OFFLOAD_ABORT_CMD),
362 HCMD_NAME(HOT_SPOT_CMD),
363 HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
364 HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
365 HCMD_NAME(BT_COEX_CI),
366 HCMD_NAME(PHY_CONFIGURATION_CMD),
367 HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
368 HCMD_NAME(PHY_DB_CMD),
369 HCMD_NAME(SCAN_OFFLOAD_COMPLETE),
370 HCMD_NAME(SCAN_OFFLOAD_UPDATE_PROFILES_CMD),
371 HCMD_NAME(POWER_TABLE_CMD),
372 HCMD_NAME(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
373 HCMD_NAME(REPLY_THERMAL_MNG_BACKOFF),
374 HCMD_NAME(DC2DC_CONFIG_CMD),
375 HCMD_NAME(NVM_ACCESS_CMD),
376 HCMD_NAME(BEACON_NOTIFICATION),
377 HCMD_NAME(BEACON_TEMPLATE_CMD),
378 HCMD_NAME(TX_ANT_CONFIGURATION_CMD),
379 HCMD_NAME(BT_CONFIG),
380 HCMD_NAME(STATISTICS_CMD),
381 HCMD_NAME(STATISTICS_NOTIFICATION),
382 HCMD_NAME(EOSP_NOTIFICATION),
383 HCMD_NAME(REDUCE_TX_POWER_CMD),
384 HCMD_NAME(CARD_STATE_NOTIFICATION),
385 HCMD_NAME(MISSED_BEACONS_NOTIFICATION),
386 HCMD_NAME(TDLS_CONFIG_CMD),
387 HCMD_NAME(MAC_PM_POWER_TABLE),
388 HCMD_NAME(TDLS_CHANNEL_SWITCH_NOTIFICATION),
389 HCMD_NAME(MFUART_LOAD_NOTIFICATION),
390 HCMD_NAME(RSS_CONFIG_CMD),
391 HCMD_NAME(SCAN_ITERATION_COMPLETE_UMAC),
392 HCMD_NAME(REPLY_RX_PHY_CMD),
393 HCMD_NAME(REPLY_RX_MPDU_CMD),
394 HCMD_NAME(BAR_FRAME_RELEASE),
395 HCMD_NAME(FRAME_RELEASE),
396 HCMD_NAME(BA_NOTIF),
397 HCMD_NAME(MCC_UPDATE_CMD),
398 HCMD_NAME(MCC_CHUB_UPDATE_CMD),
399 HCMD_NAME(MARKER_CMD),
400 HCMD_NAME(BT_PROFILE_NOTIFICATION),
401 HCMD_NAME(BCAST_FILTER_CMD),
402 HCMD_NAME(MCAST_FILTER_CMD),
403 HCMD_NAME(REPLY_SF_CFG_CMD),
404 HCMD_NAME(REPLY_BEACON_FILTERING_CMD),
405 HCMD_NAME(D3_CONFIG_CMD),
406 HCMD_NAME(PROT_OFFLOAD_CONFIG_CMD),
407 HCMD_NAME(OFFLOADS_QUERY_CMD),
408 HCMD_NAME(REMOTE_WAKE_CONFIG_CMD),
409 HCMD_NAME(MATCH_FOUND_NOTIFICATION),
410 HCMD_NAME(DTS_MEASUREMENT_NOTIFICATION),
411 HCMD_NAME(WOWLAN_PATTERNS),
412 HCMD_NAME(WOWLAN_CONFIGURATION),
413 HCMD_NAME(WOWLAN_TSC_RSC_PARAM),
414 HCMD_NAME(WOWLAN_TKIP_PARAM),
415 HCMD_NAME(WOWLAN_KEK_KCK_MATERIAL),
416 HCMD_NAME(WOWLAN_GET_STATUSES),
417 HCMD_NAME(SCAN_ITERATION_COMPLETE),
418 HCMD_NAME(D0I3_END_CMD),
419 HCMD_NAME(LTR_CONFIG),
420 HCMD_NAME(LDBG_CONFIG_CMD),
421};
422
423
424
425
426static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
427 HCMD_NAME(SHARED_MEM_CFG_CMD),
428 HCMD_NAME(INIT_EXTENDED_CFG_CMD),
429 HCMD_NAME(FW_ERROR_RECOVERY_CMD),
430};
431
432
433
434
435static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = {
436 HCMD_NAME(CHANNEL_SWITCH_TIME_EVENT_CMD),
437 HCMD_NAME(SESSION_PROTECTION_CMD),
438 HCMD_NAME(SESSION_PROTECTION_NOTIF),
439 HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF),
440};
441
442
443
444
445static const struct iwl_hcmd_names iwl_mvm_phy_names[] = {
446 HCMD_NAME(CMD_DTS_MEASUREMENT_TRIGGER_WIDE),
447 HCMD_NAME(CTDP_CONFIG_CMD),
448 HCMD_NAME(TEMP_REPORTING_THRESHOLDS_CMD),
449 HCMD_NAME(GEO_TX_POWER_LIMIT),
450 HCMD_NAME(CT_KILL_NOTIFICATION),
451 HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE),
452};
453
454
455
456
457static const struct iwl_hcmd_names iwl_mvm_data_path_names[] = {
458 HCMD_NAME(DQA_ENABLE_CMD),
459 HCMD_NAME(UPDATE_MU_GROUPS_CMD),
460 HCMD_NAME(TRIGGER_RX_QUEUES_NOTIF_CMD),
461 HCMD_NAME(STA_HE_CTXT_CMD),
462 HCMD_NAME(RFH_QUEUE_CONFIG_CMD),
463 HCMD_NAME(TLC_MNG_CONFIG_CMD),
464 HCMD_NAME(CHEST_COLLECTOR_FILTER_CONFIG_CMD),
465 HCMD_NAME(STA_PM_NOTIF),
466 HCMD_NAME(MU_GROUP_MGMT_NOTIF),
467 HCMD_NAME(RX_QUEUES_NOTIFICATION),
468};
469
470
471
472
473static const struct iwl_hcmd_names iwl_mvm_debug_names[] = {
474 HCMD_NAME(DBGC_SUSPEND_RESUME),
475 HCMD_NAME(BUFFER_ALLOCATION),
476 HCMD_NAME(MFU_ASSERT_DUMP_NTF),
477};
478
479
480
481
482static const struct iwl_hcmd_names iwl_mvm_location_names[] = {
483 HCMD_NAME(TOF_RANGE_REQ_CMD),
484 HCMD_NAME(TOF_CONFIG_CMD),
485 HCMD_NAME(TOF_RANGE_ABORT_CMD),
486 HCMD_NAME(TOF_RANGE_REQ_EXT_CMD),
487 HCMD_NAME(TOF_RESPONDER_CONFIG_CMD),
488 HCMD_NAME(TOF_RESPONDER_DYN_CONFIG_CMD),
489 HCMD_NAME(TOF_LC_NOTIF),
490 HCMD_NAME(TOF_RESPONDER_STATS),
491 HCMD_NAME(TOF_MCSI_DEBUG_NOTIF),
492 HCMD_NAME(TOF_RANGE_RESPONSE_NOTIF),
493};
494
495
496
497
498static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
499 HCMD_NAME(STORED_BEACON_NTF),
500};
501
502
503
504
505static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
506 HCMD_NAME(NVM_ACCESS_COMPLETE),
507 HCMD_NAME(NVM_GET_INFO),
508};
509
510static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
511 [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
512 [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names),
513 [SYSTEM_GROUP] = HCMD_ARR(iwl_mvm_system_names),
514 [MAC_CONF_GROUP] = HCMD_ARR(iwl_mvm_mac_conf_names),
515 [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names),
516 [DATA_PATH_GROUP] = HCMD_ARR(iwl_mvm_data_path_names),
517 [LOCATION_GROUP] = HCMD_ARR(iwl_mvm_location_names),
518 [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names),
519 [REGULATORY_AND_NVM_GROUP] =
520 HCMD_ARR(iwl_mvm_regulatory_and_nvm_names),
521};
522
523
524static void iwl_mvm_async_handlers_wk(struct work_struct *wk);
525
526static u32 iwl_mvm_min_backoff(struct iwl_mvm *mvm)
527{
528 const struct iwl_pwr_tx_backoff *backoff = mvm->cfg->pwr_tx_backoffs;
529 u64 dflt_pwr_limit;
530
531 if (!backoff)
532 return 0;
533
534 dflt_pwr_limit = iwl_acpi_get_pwr_limit(mvm->dev);
535
536 while (backoff->pwr) {
537 if (dflt_pwr_limit >= backoff->pwr)
538 return backoff->backoff;
539
540 backoff++;
541 }
542
543 return 0;
544}
545
546static void iwl_mvm_tx_unblock_dwork(struct work_struct *work)
547{
548 struct iwl_mvm *mvm =
549 container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work);
550 struct ieee80211_vif *tx_blocked_vif;
551 struct iwl_mvm_vif *mvmvif;
552
553 mutex_lock(&mvm->mutex);
554
555 tx_blocked_vif =
556 rcu_dereference_protected(mvm->csa_tx_blocked_vif,
557 lockdep_is_held(&mvm->mutex));
558
559 if (!tx_blocked_vif)
560 goto unlock;
561
562 mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif);
563 iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false);
564 RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
565unlock:
566 mutex_unlock(&mvm->mutex);
567}
568
569static int iwl_mvm_fwrt_dump_start(void *ctx)
570{
571 struct iwl_mvm *mvm = ctx;
572
573 mutex_lock(&mvm->mutex);
574
575 return 0;
576}
577
578static void iwl_mvm_fwrt_dump_end(void *ctx)
579{
580 struct iwl_mvm *mvm = ctx;
581
582 mutex_unlock(&mvm->mutex);
583}
584
585static bool iwl_mvm_fwrt_fw_running(void *ctx)
586{
587 return iwl_mvm_firmware_running(ctx);
588}
589
590static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
591{
592 struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
593 int ret;
594
595 mutex_lock(&mvm->mutex);
596 ret = iwl_mvm_send_cmd(mvm, host_cmd);
597 mutex_unlock(&mvm->mutex);
598
599 return ret;
600}
601
602static bool iwl_mvm_d3_debug_enable(void *ctx)
603{
604 return IWL_MVM_D3_DEBUG;
605}
606
607static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
608 .dump_start = iwl_mvm_fwrt_dump_start,
609 .dump_end = iwl_mvm_fwrt_dump_end,
610 .fw_running = iwl_mvm_fwrt_fw_running,
611 .send_hcmd = iwl_mvm_fwrt_send_hcmd,
612 .d3_debug_enable = iwl_mvm_d3_debug_enable,
613};
614
615static u8 iwl_mvm_lookup_notif_ver(struct iwl_mvm *mvm, u8 grp, u8 cmd, u8 def)
616{
617 const struct iwl_fw_cmd_version *entry;
618 unsigned int i;
619
620 if (!mvm->fw->ucode_capa.cmd_versions ||
621 !mvm->fw->ucode_capa.n_cmd_versions)
622 return def;
623
624 entry = mvm->fw->ucode_capa.cmd_versions;
625 for (i = 0; i < mvm->fw->ucode_capa.n_cmd_versions; i++, entry++) {
626 if (entry->group == grp && entry->cmd == cmd) {
627 if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
628 return def;
629 return entry->notif_ver;
630 }
631 }
632
633 return def;
634}
635
636static struct iwl_op_mode *
637iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
638 const struct iwl_fw *fw, struct dentry *dbgfs_dir)
639{
640 struct ieee80211_hw *hw;
641 struct iwl_op_mode *op_mode;
642 struct iwl_mvm *mvm;
643 struct iwl_trans_config trans_cfg = {};
644 static const u8 no_reclaim_cmds[] = {
645 TX_CMD,
646 };
647 int err, scan_size;
648 u32 min_backoff;
649 enum iwl_amsdu_size rb_size_default;
650
651
652
653
654
655
656 BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT);
657
658
659
660
661 hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) +
662 sizeof(struct iwl_mvm),
663 &iwl_mvm_hw_ops);
664 if (!hw)
665 return NULL;
666
667 hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
668
669 if (cfg->max_tx_agg_size)
670 hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
671 else
672 hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
673
674 op_mode = hw->priv;
675
676 mvm = IWL_OP_MODE_GET_MVM(op_mode);
677 mvm->dev = trans->dev;
678 mvm->trans = trans;
679 mvm->cfg = cfg;
680 mvm->fw = fw;
681 mvm->hw = hw;
682
683 iwl_fw_runtime_init(&mvm->fwrt, trans, fw, &iwl_mvm_fwrt_ops, mvm,
684 dbgfs_dir);
685
686 mvm->init_status = 0;
687
688 if (iwl_mvm_has_new_rx_api(mvm)) {
689 op_mode->ops = &iwl_mvm_ops_mq;
690 trans->rx_mpdu_cmd_hdr_size =
691 (trans->trans_cfg->device_family >=
692 IWL_DEVICE_FAMILY_AX210) ?
693 sizeof(struct iwl_rx_mpdu_desc) :
694 IWL_RX_DESC_SIZE_V1;
695 } else {
696 op_mode->ops = &iwl_mvm_ops;
697 trans->rx_mpdu_cmd_hdr_size =
698 sizeof(struct iwl_rx_mpdu_res_start);
699
700 if (WARN_ON(trans->num_rx_queues > 1))
701 goto out_free;
702 }
703
704 mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;
705
706 mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
707 mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
708 mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
709 mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
710
711 mvm->sf_state = SF_UNINIT;
712 if (iwl_mvm_has_unified_ucode(mvm))
713 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_REGULAR);
714 else
715 iwl_fw_set_current_image(&mvm->fwrt, IWL_UCODE_INIT);
716 mvm->drop_bcn_ap_mode = true;
717
718 mutex_init(&mvm->mutex);
719 spin_lock_init(&mvm->async_handlers_lock);
720 INIT_LIST_HEAD(&mvm->time_event_list);
721 INIT_LIST_HEAD(&mvm->aux_roc_te_list);
722 INIT_LIST_HEAD(&mvm->async_handlers_list);
723 spin_lock_init(&mvm->time_event_lock);
724 INIT_LIST_HEAD(&mvm->ftm_initiator.loc_list);
725
726 INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk);
727 INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
728 INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work);
729 INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk);
730 INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk);
731 INIT_LIST_HEAD(&mvm->add_stream_txqs);
732
733 init_waitqueue_head(&mvm->rx_sync_waitq);
734
735 atomic_set(&mvm->queue_sync_counter, 0);
736
737 SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
738
739 spin_lock_init(&mvm->tcm.lock);
740 INIT_DELAYED_WORK(&mvm->tcm.work, iwl_mvm_tcm_work);
741 mvm->tcm.ts = jiffies;
742 mvm->tcm.ll_ts = jiffies;
743 mvm->tcm.uapsd_nonagg_ts = jiffies;
744
745 INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
746
747 mvm->cmd_ver.d0i3_resp =
748 iwl_mvm_lookup_notif_ver(mvm, LEGACY_GROUP, D0I3_END_CMD, 0);
749
750 if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
751 goto out_free;
752
753
754
755
756
757 trans_cfg.op_mode = op_mode;
758 trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
759 trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
760
761 if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
762 rb_size_default = IWL_AMSDU_2K;
763 else
764 rb_size_default = IWL_AMSDU_4K;
765
766 switch (iwlwifi_mod_params.amsdu_size) {
767 case IWL_AMSDU_DEF:
768 trans_cfg.rx_buf_size = rb_size_default;
769 break;
770 case IWL_AMSDU_4K:
771 trans_cfg.rx_buf_size = IWL_AMSDU_4K;
772 break;
773 case IWL_AMSDU_8K:
774 trans_cfg.rx_buf_size = IWL_AMSDU_8K;
775 break;
776 case IWL_AMSDU_12K:
777 trans_cfg.rx_buf_size = IWL_AMSDU_12K;
778 break;
779 default:
780 pr_err("%s: Unsupported amsdu_size: %d\n", KBUILD_MODNAME,
781 iwlwifi_mod_params.amsdu_size);
782 trans_cfg.rx_buf_size = rb_size_default;
783 }
784
785 trans->wide_cmd_header = true;
786 trans_cfg.bc_table_dword =
787 mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
788
789 trans_cfg.command_groups = iwl_mvm_groups;
790 trans_cfg.command_groups_size = ARRAY_SIZE(iwl_mvm_groups);
791
792 trans_cfg.cmd_queue = IWL_MVM_DQA_CMD_QUEUE;
793 trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
794 trans_cfg.scd_set_active = true;
795
796 trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info,
797 driver_data[2]);
798
799 trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD;
800
801
802 trans_cfg.cmd_q_wdg_timeout =
803 iwl_mvm_get_wd_timeout(mvm, NULL, false, true);
804
805 snprintf(mvm->hw->wiphy->fw_version,
806 sizeof(mvm->hw->wiphy->fw_version),
807 "%s", fw->fw_version);
808
809
810 iwl_trans_configure(mvm->trans, &trans_cfg);
811
812 trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
813 trans->dbg.dest_tlv = mvm->fw->dbg.dest_tlv;
814 trans->dbg.n_dest_reg = mvm->fw->dbg.n_dest_reg;
815 memcpy(trans->dbg.conf_tlv, mvm->fw->dbg.conf_tlv,
816 sizeof(trans->dbg.conf_tlv));
817 trans->dbg.trigger_tlv = mvm->fw->dbg.trigger_tlv;
818
819 trans->iml = mvm->fw->iml;
820 trans->iml_len = mvm->fw->iml_len;
821
822
823 iwl_notification_wait_init(&mvm->notif_wait);
824
825
826 mvm->phy_db = iwl_phy_db_init(trans);
827 if (!mvm->phy_db) {
828 IWL_ERR(mvm, "Cannot init phy_db\n");
829 goto out_free;
830 }
831
832 IWL_INFO(mvm, "Detected %s, REV=0x%X\n",
833 mvm->trans->name, mvm->trans->hw_rev);
834
835 if (iwlwifi_mod_params.nvm_file)
836 mvm->nvm_file_name = iwlwifi_mod_params.nvm_file;
837 else
838 IWL_DEBUG_EEPROM(mvm->trans->dev,
839 "working without external nvm file\n");
840
841 err = iwl_trans_start_hw(mvm->trans);
842 if (err)
843 goto out_free;
844
845 mutex_lock(&mvm->mutex);
846 err = iwl_run_init_mvm_ucode(mvm, true);
847 if (err && err != -ERFKILL)
848 iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
849 if (!iwlmvm_mod_params.init_dbg || !err)
850 iwl_mvm_stop_device(mvm);
851 mutex_unlock(&mvm->mutex);
852 if (err < 0) {
853 IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err);
854 goto out_free;
855 }
856
857 scan_size = iwl_mvm_scan_size(mvm);
858
859 mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL);
860 if (!mvm->scan_cmd)
861 goto out_free;
862
863
864 mvm->last_ebs_successful = true;
865
866 err = iwl_mvm_mac_setup_register(mvm);
867 if (err)
868 goto out_free;
869 mvm->hw_registered = true;
870
871 min_backoff = iwl_mvm_min_backoff(mvm);
872 iwl_mvm_thermal_initialize(mvm, min_backoff);
873
874 iwl_mvm_dbgfs_register(mvm, dbgfs_dir);
875
876 if (!iwl_mvm_has_new_rx_stats_api(mvm))
877 memset(&mvm->rx_stats_v3, 0,
878 sizeof(struct mvm_statistics_rx_v3));
879 else
880 memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
881
882 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx);
883
884 return op_mode;
885
886 out_free:
887 iwl_fw_flush_dumps(&mvm->fwrt);
888 iwl_fw_runtime_free(&mvm->fwrt);
889
890 if (iwlmvm_mod_params.init_dbg)
891 return op_mode;
892 iwl_phy_db_free(mvm->phy_db);
893 kfree(mvm->scan_cmd);
894 iwl_trans_op_mode_leave(trans);
895
896 ieee80211_free_hw(mvm->hw);
897 return NULL;
898}
899
900static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
901{
902 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
903 int i;
904
905 iwl_mvm_leds_exit(mvm);
906
907 iwl_mvm_thermal_exit(mvm);
908
909 ieee80211_unregister_hw(mvm->hw);
910
911 kfree(mvm->scan_cmd);
912 kfree(mvm->mcast_filter_cmd);
913 mvm->mcast_filter_cmd = NULL;
914
915 kfree(mvm->error_recovery_buf);
916 mvm->error_recovery_buf = NULL;
917
918 iwl_trans_op_mode_leave(mvm->trans);
919
920 iwl_phy_db_free(mvm->phy_db);
921 mvm->phy_db = NULL;
922
923 kfree(mvm->nvm_data);
924 for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
925 kfree(mvm->nvm_sections[i].data);
926
927 cancel_delayed_work_sync(&mvm->tcm.work);
928
929 iwl_fw_runtime_free(&mvm->fwrt);
930 mutex_destroy(&mvm->mutex);
931
932 ieee80211_free_hw(mvm->hw);
933}
934
935struct iwl_async_handler_entry {
936 struct list_head list;
937 struct iwl_rx_cmd_buffer rxb;
938 enum iwl_rx_handler_context context;
939 void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
940};
941
942void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm)
943{
944 struct iwl_async_handler_entry *entry, *tmp;
945
946 spin_lock_bh(&mvm->async_handlers_lock);
947 list_for_each_entry_safe(entry, tmp, &mvm->async_handlers_list, list) {
948 iwl_free_rxb(&entry->rxb);
949 list_del(&entry->list);
950 kfree(entry);
951 }
952 spin_unlock_bh(&mvm->async_handlers_lock);
953}
954
955static void iwl_mvm_async_handlers_wk(struct work_struct *wk)
956{
957 struct iwl_mvm *mvm =
958 container_of(wk, struct iwl_mvm, async_handlers_wk);
959 struct iwl_async_handler_entry *entry, *tmp;
960 LIST_HEAD(local_list);
961
962
963
964
965
966
967
968 spin_lock_bh(&mvm->async_handlers_lock);
969 list_splice_init(&mvm->async_handlers_list, &local_list);
970 spin_unlock_bh(&mvm->async_handlers_lock);
971
972 list_for_each_entry_safe(entry, tmp, &local_list, list) {
973 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
974 mutex_lock(&mvm->mutex);
975 entry->fn(mvm, &entry->rxb);
976 iwl_free_rxb(&entry->rxb);
977 list_del(&entry->list);
978 if (entry->context == RX_HANDLER_ASYNC_LOCKED)
979 mutex_unlock(&mvm->mutex);
980 kfree(entry);
981 }
982}
983
984static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
985 struct iwl_rx_packet *pkt)
986{
987 struct iwl_fw_dbg_trigger_tlv *trig;
988 struct iwl_fw_dbg_trigger_cmd *cmds_trig;
989 int i;
990
991 trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
992 FW_DBG_TRIGGER_FW_NOTIF);
993 if (!trig)
994 return;
995
996 cmds_trig = (void *)trig->data;
997
998 for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
999
1000 if (!cmds_trig->cmds[i].cmd_id)
1001 break;
1002
1003 if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd ||
1004 cmds_trig->cmds[i].group_id != pkt->hdr.group_id)
1005 continue;
1006
1007 iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
1008 "CMD 0x%02x.%02x received",
1009 pkt->hdr.group_id, pkt->hdr.cmd);
1010 break;
1011 }
1012}
1013
1014static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
1015 struct iwl_rx_cmd_buffer *rxb,
1016 struct iwl_rx_packet *pkt)
1017{
1018 int i;
1019 union iwl_dbg_tlv_tp_data tp_data = { .fw_pkt = pkt };
1020
1021 iwl_dbg_tlv_time_point(&mvm->fwrt,
1022 IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF, &tp_data);
1023 iwl_mvm_rx_check_trigger(mvm, pkt);
1024
1025
1026
1027
1028
1029
1030 iwl_notification_wait_notify(&mvm->notif_wait, pkt);
1031
1032 for (i = 0; i < ARRAY_SIZE(iwl_mvm_rx_handlers); i++) {
1033 const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i];
1034 struct iwl_async_handler_entry *entry;
1035
1036 if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd))
1037 continue;
1038
1039 if (rx_h->context == RX_HANDLER_SYNC) {
1040 rx_h->fn(mvm, rxb);
1041 return;
1042 }
1043
1044 entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
1045
1046 if (!entry)
1047 return;
1048
1049 entry->rxb._page = rxb_steal_page(rxb);
1050 entry->rxb._offset = rxb->_offset;
1051 entry->rxb._rx_page_order = rxb->_rx_page_order;
1052 entry->fn = rx_h->fn;
1053 entry->context = rx_h->context;
1054 spin_lock(&mvm->async_handlers_lock);
1055 list_add_tail(&entry->list, &mvm->async_handlers_list);
1056 spin_unlock(&mvm->async_handlers_lock);
1057 schedule_work(&mvm->async_handlers_wk);
1058 break;
1059 }
1060}
1061
1062static void iwl_mvm_rx(struct iwl_op_mode *op_mode,
1063 struct napi_struct *napi,
1064 struct iwl_rx_cmd_buffer *rxb)
1065{
1066 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1067 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1068 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1069
1070 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1071 iwl_mvm_rx_rx_mpdu(mvm, napi, rxb);
1072 else if (cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_PHY_CMD))
1073 iwl_mvm_rx_rx_phy_cmd(mvm, rxb);
1074 else
1075 iwl_mvm_rx_common(mvm, rxb, pkt);
1076}
1077
1078static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
1079 struct napi_struct *napi,
1080 struct iwl_rx_cmd_buffer *rxb)
1081{
1082 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1083 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1084 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1085
1086 if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1087 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0);
1088 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1089 RX_QUEUES_NOTIFICATION)))
1090 iwl_mvm_rx_queue_notif(mvm, napi, rxb, 0);
1091 else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
1092 iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
1093 else if (cmd == WIDE_ID(LEGACY_GROUP, BAR_FRAME_RELEASE))
1094 iwl_mvm_rx_bar_frame_release(mvm, napi, rxb, 0);
1095 else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF))
1096 iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0);
1097 else
1098 iwl_mvm_rx_common(mvm, rxb, pkt);
1099}
1100
1101static void iwl_mvm_async_cb(struct iwl_op_mode *op_mode,
1102 const struct iwl_device_cmd *cmd)
1103{
1104 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1105
1106
1107
1108
1109
1110 iwl_trans_block_txq_ptrs(mvm->trans, false);
1111}
1112
1113static int iwl_mvm_is_static_queue(struct iwl_mvm *mvm, int queue)
1114{
1115 return queue == mvm->aux_queue || queue == mvm->probe_queue ||
1116 queue == mvm->p2p_dev_queue || queue == mvm->snif_queue;
1117}
1118
1119static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode,
1120 int hw_queue, bool start)
1121{
1122 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1123 struct ieee80211_sta *sta;
1124 struct ieee80211_txq *txq;
1125 struct iwl_mvm_txq *mvmtxq;
1126 int i;
1127 unsigned long tid_bitmap;
1128 struct iwl_mvm_sta *mvmsta;
1129 u8 sta_id;
1130
1131 sta_id = iwl_mvm_has_new_tx_api(mvm) ?
1132 mvm->tvqm_info[hw_queue].sta_id :
1133 mvm->queue_info[hw_queue].ra_sta_id;
1134
1135 if (WARN_ON_ONCE(sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)))
1136 return;
1137
1138 rcu_read_lock();
1139
1140 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1141 if (IS_ERR_OR_NULL(sta))
1142 goto out;
1143 mvmsta = iwl_mvm_sta_from_mac80211(sta);
1144
1145 if (iwl_mvm_is_static_queue(mvm, hw_queue)) {
1146 if (!start)
1147 ieee80211_stop_queues(mvm->hw);
1148 else if (mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1149 ieee80211_wake_queues(mvm->hw);
1150
1151 goto out;
1152 }
1153
1154 if (iwl_mvm_has_new_tx_api(mvm)) {
1155 int tid = mvm->tvqm_info[hw_queue].txq_tid;
1156
1157 tid_bitmap = BIT(tid);
1158 } else {
1159 tid_bitmap = mvm->queue_info[hw_queue].tid_bitmap;
1160 }
1161
1162 for_each_set_bit(i, &tid_bitmap, IWL_MAX_TID_COUNT + 1) {
1163 int tid = i;
1164
1165 if (tid == IWL_MAX_TID_COUNT)
1166 tid = IEEE80211_NUM_TIDS;
1167
1168 txq = sta->txq[tid];
1169 mvmtxq = iwl_mvm_txq_from_mac80211(txq);
1170 mvmtxq->stopped = !start;
1171
1172 if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST)
1173 iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
1174 }
1175
1176out:
1177 rcu_read_unlock();
1178}
1179
1180static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1181{
1182 iwl_mvm_queue_state_change(op_mode, hw_queue, false);
1183}
1184
1185static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int hw_queue)
1186{
1187 iwl_mvm_queue_state_change(op_mode, hw_queue, true);
1188}
1189
1190static void iwl_mvm_set_rfkill_state(struct iwl_mvm *mvm)
1191{
1192 bool state = iwl_mvm_is_radio_killed(mvm);
1193
1194 if (state)
1195 wake_up(&mvm->rx_sync_waitq);
1196
1197 wiphy_rfkill_set_hw_state(mvm->hw->wiphy, state);
1198}
1199
1200void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state)
1201{
1202 if (state)
1203 set_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1204 else
1205 clear_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1206
1207 iwl_mvm_set_rfkill_state(mvm);
1208}
1209
1210static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
1211{
1212 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1213 bool rfkill_safe_init_done = READ_ONCE(mvm->rfkill_safe_init_done);
1214 bool unified = iwl_mvm_has_unified_ucode(mvm);
1215
1216 if (state)
1217 set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1218 else
1219 clear_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1220
1221 iwl_mvm_set_rfkill_state(mvm);
1222
1223
1224 if (rfkill_safe_init_done)
1225 iwl_abort_notification_waits(&mvm->notif_wait);
1226
1227
1228
1229
1230
1231 if (unified)
1232 return false;
1233
1234
1235
1236
1237
1238 return state && rfkill_safe_init_done;
1239}
1240
1241static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
1242{
1243 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1244 struct ieee80211_tx_info *info;
1245
1246 info = IEEE80211_SKB_CB(skb);
1247 iwl_trans_free_tx_cmd(mvm->trans, info->driver_data[1]);
1248 ieee80211_free_txskb(mvm->hw, skb);
1249}
1250
1251struct iwl_mvm_reprobe {
1252 struct device *dev;
1253 struct work_struct work;
1254};
1255
1256static void iwl_mvm_reprobe_wk(struct work_struct *wk)
1257{
1258 struct iwl_mvm_reprobe *reprobe;
1259
1260 reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
1261 if (device_reprobe(reprobe->dev))
1262 dev_err(reprobe->dev, "reprobe failed!\n");
1263 kfree(reprobe);
1264 module_put(THIS_MODULE);
1265}
1266
1267void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
1268{
1269 iwl_abort_notification_waits(&mvm->notif_wait);
1270 iwl_dbg_tlv_del_timers(mvm->trans);
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282 iwl_mvm_report_scan_aborted(mvm);
1283
1284
1285
1286
1287
1288
1289
1290 if (!mvm->fw_restart && fw_error) {
1291 iwl_fw_error_collect(&mvm->fwrt);
1292 } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
1293 struct iwl_mvm_reprobe *reprobe;
1294
1295 IWL_ERR(mvm,
1296 "Firmware error during reconfiguration - reprobe!\n");
1297
1298
1299
1300
1301
1302
1303 if (!try_module_get(THIS_MODULE)) {
1304 IWL_ERR(mvm, "Module is being unloaded - abort\n");
1305 return;
1306 }
1307
1308 reprobe = kzalloc(sizeof(*reprobe), GFP_ATOMIC);
1309 if (!reprobe) {
1310 module_put(THIS_MODULE);
1311 return;
1312 }
1313 reprobe->dev = mvm->trans->dev;
1314 INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
1315 schedule_work(&reprobe->work);
1316 } else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1317 &mvm->status)) {
1318 IWL_ERR(mvm, "HW restart already requested, but not started\n");
1319 } else if (mvm->fwrt.cur_fw_img == IWL_UCODE_REGULAR &&
1320 mvm->hw_registered &&
1321 !test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) {
1322 if (mvm->fw->ucode_capa.error_log_size) {
1323 u32 src_size = mvm->fw->ucode_capa.error_log_size;
1324 u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
1325 u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
1326
1327 if (recover_buf) {
1328 mvm->error_recovery_buf = recover_buf;
1329 iwl_trans_read_mem_bytes(mvm->trans,
1330 src_addr,
1331 recover_buf,
1332 src_size);
1333 }
1334 }
1335
1336 iwl_fw_error_collect(&mvm->fwrt);
1337
1338 if (fw_error && mvm->fw_restart > 0)
1339 mvm->fw_restart--;
1340 set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
1341 ieee80211_restart_hw(mvm->hw);
1342 }
1343}
1344
1345static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
1346{
1347 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1348
1349 if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status))
1350 iwl_mvm_dump_nic_error_log(mvm);
1351
1352 iwl_mvm_nic_restart(mvm, true);
1353}
1354
1355static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode)
1356{
1357 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1358
1359 WARN_ON(1);
1360 iwl_mvm_nic_restart(mvm, true);
1361}
1362
1363#define IWL_MVM_COMMON_OPS \
1364 \
1365 .async_cb = iwl_mvm_async_cb, \
1366 .queue_full = iwl_mvm_stop_sw_queue, \
1367 .queue_not_full = iwl_mvm_wake_sw_queue, \
1368 .hw_rf_kill = iwl_mvm_set_hw_rfkill_state, \
1369 .free_skb = iwl_mvm_free_skb, \
1370 .nic_error = iwl_mvm_nic_error, \
1371 .cmd_queue_full = iwl_mvm_cmd_queue_full, \
1372 .nic_config = iwl_mvm_nic_config, \
1373 \
1374 .start = iwl_op_mode_mvm_start, \
1375 .stop = iwl_op_mode_mvm_stop
1376
1377static const struct iwl_op_mode_ops iwl_mvm_ops = {
1378 IWL_MVM_COMMON_OPS,
1379 .rx = iwl_mvm_rx,
1380};
1381
1382static void iwl_mvm_rx_mq_rss(struct iwl_op_mode *op_mode,
1383 struct napi_struct *napi,
1384 struct iwl_rx_cmd_buffer *rxb,
1385 unsigned int queue)
1386{
1387 struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
1388 struct iwl_rx_packet *pkt = rxb_addr(rxb);
1389 u16 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
1390
1391 if (unlikely(cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)))
1392 iwl_mvm_rx_frame_release(mvm, napi, rxb, queue);
1393 else if (unlikely(cmd == WIDE_ID(DATA_PATH_GROUP,
1394 RX_QUEUES_NOTIFICATION)))
1395 iwl_mvm_rx_queue_notif(mvm, napi, rxb, queue);
1396 else if (likely(cmd == WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)))
1397 iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, queue);
1398}
1399
1400static const struct iwl_op_mode_ops iwl_mvm_ops_mq = {
1401 IWL_MVM_COMMON_OPS,
1402 .rx = iwl_mvm_rx_mq,
1403 .rx_rss = iwl_mvm_rx_mq_rss,
1404};
1405
