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68#include <linux/kernel.h>
69#include <linux/module.h>
70#include <linux/slab.h>
71#include <linux/etherdevice.h>
72
73#include <net/mac80211.h>
74
75#include "iwl-debug.h"
76#include "mvm.h"
77#include "iwl-modparams.h"
78#include "fw/api/power.h"
79
80#define POWER_KEEP_ALIVE_PERIOD_SEC 25
81
82static
83int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
84 struct iwl_beacon_filter_cmd *cmd,
85 u32 flags)
86{
87 IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
88 le32_to_cpu(cmd->ba_enable_beacon_abort));
89 IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
90 le32_to_cpu(cmd->ba_escape_timer));
91 IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
92 le32_to_cpu(cmd->bf_debug_flag));
93 IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
94 le32_to_cpu(cmd->bf_enable_beacon_filter));
95 IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
96 le32_to_cpu(cmd->bf_energy_delta));
97 IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
98 le32_to_cpu(cmd->bf_escape_timer));
99 IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
100 le32_to_cpu(cmd->bf_roaming_energy_delta));
101 IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
102 le32_to_cpu(cmd->bf_roaming_state));
103 IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
104 le32_to_cpu(cmd->bf_temp_threshold));
105 IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
106 le32_to_cpu(cmd->bf_temp_fast_filter));
107 IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
108 le32_to_cpu(cmd->bf_temp_slow_filter));
109
110 return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
111 sizeof(struct iwl_beacon_filter_cmd), cmd);
112}
113
114static
115void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
116 struct ieee80211_vif *vif,
117 struct iwl_beacon_filter_cmd *cmd,
118 bool d0i3)
119{
120 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
121
122 if (vif->bss_conf.cqm_rssi_thold && !d0i3) {
123 cmd->bf_energy_delta =
124 cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
125
126 cmd->bf_roaming_state =
127 cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
128 }
129 cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
130}
131
132static void iwl_mvm_power_log(struct iwl_mvm *mvm,
133 struct iwl_mac_power_cmd *cmd)
134{
135 IWL_DEBUG_POWER(mvm,
136 "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
137 cmd->id_and_color, iwlmvm_mod_params.power_scheme,
138 le16_to_cpu(cmd->flags));
139 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
140 le16_to_cpu(cmd->keep_alive_seconds));
141
142 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
143 IWL_DEBUG_POWER(mvm, "Disable power management\n");
144 return;
145 }
146
147 IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
148 le32_to_cpu(cmd->rx_data_timeout));
149 IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
150 le32_to_cpu(cmd->tx_data_timeout));
151 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
152 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
153 cmd->skip_dtim_periods);
154 if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
155 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
156 cmd->lprx_rssi_threshold);
157 if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
158 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
159 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
160 le32_to_cpu(cmd->rx_data_timeout_uapsd));
161 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
162 le32_to_cpu(cmd->tx_data_timeout_uapsd));
163 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
164 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
165 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
166 }
167}
168
169static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
170 struct ieee80211_vif *vif,
171 struct iwl_mac_power_cmd *cmd)
172{
173 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
174 enum ieee80211_ac_numbers ac;
175 bool tid_found = false;
176
177#ifdef CONFIG_IWLWIFI_DEBUGFS
178
179 if (mvmvif->dbgfs_pm.use_ps_poll) {
180 cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
181 return;
182 }
183#endif
184
185 for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
186 if (!mvmvif->queue_params[ac].uapsd)
187 continue;
188
189 if (mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN)
190 cmd->flags |=
191 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
192
193 cmd->uapsd_ac_flags |= BIT(ac);
194
195
196 if (!tid_found && !mvmvif->queue_params[ac].acm) {
197 tid_found = true;
198 switch (ac) {
199 case IEEE80211_AC_VO:
200 cmd->qndp_tid = 6;
201 break;
202 case IEEE80211_AC_VI:
203 cmd->qndp_tid = 5;
204 break;
205 case IEEE80211_AC_BE:
206 cmd->qndp_tid = 0;
207 break;
208 case IEEE80211_AC_BK:
209 cmd->qndp_tid = 1;
210 break;
211 }
212 }
213 }
214
215 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
216
217 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
218 BIT(IEEE80211_AC_VI) |
219 BIT(IEEE80211_AC_BE) |
220 BIT(IEEE80211_AC_BK))) {
221 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
222 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
223 cmd->snooze_window =
224 (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ?
225 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
226 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
227 }
228
229 cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len;
230
231 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN || cmd->flags &
232 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
233 cmd->rx_data_timeout_uapsd =
234 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
235 cmd->tx_data_timeout_uapsd =
236 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
237 } else {
238 cmd->rx_data_timeout_uapsd =
239 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
240 cmd->tx_data_timeout_uapsd =
241 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
242 }
243
244 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
245 cmd->heavy_tx_thld_packets =
246 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
247 cmd->heavy_rx_thld_packets =
248 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
249 } else {
250 cmd->heavy_tx_thld_packets =
251 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
252 cmd->heavy_rx_thld_packets =
253 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
254 }
255 cmd->heavy_tx_thld_percentage =
256 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
257 cmd->heavy_rx_thld_percentage =
258 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
259}
260
261static void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac,
262 struct ieee80211_vif *vif)
263{
264 bool *is_p2p_standalone = _data;
265
266 switch (ieee80211_vif_type_p2p(vif)) {
267 case NL80211_IFTYPE_P2P_GO:
268 case NL80211_IFTYPE_AP:
269 *is_p2p_standalone = false;
270 break;
271 case NL80211_IFTYPE_STATION:
272 if (vif->bss_conf.assoc)
273 *is_p2p_standalone = false;
274 break;
275
276 default:
277 break;
278 }
279}
280
281static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
282 struct ieee80211_vif *vif)
283{
284 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
285
286 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
287 ETH_ALEN))
288 return false;
289
290
291
292
293
294 if (vif->p2p &&
295 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
296 IEEE80211_P2P_OPPPS_ENABLE_BIT))
297 return false;
298
299
300
301
302
303 if (iwl_mvm_phy_ctx_count(mvm) >= 2)
304 return false;
305
306 if (vif->p2p) {
307
308 bool is_p2p_standalone = true;
309
310 if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm))
311 return false;
312
313 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
314 IEEE80211_IFACE_ITER_NORMAL,
315 iwl_mvm_p2p_standalone_iterator,
316 &is_p2p_standalone);
317
318 if (!is_p2p_standalone)
319 return false;
320 }
321
322 return true;
323}
324
325static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
326{
327 struct ieee80211_chanctx_conf *chanctx_conf;
328 struct ieee80211_channel *chan;
329 bool radar_detect = false;
330
331 rcu_read_lock();
332 chanctx_conf = rcu_dereference(vif->chanctx_conf);
333 WARN_ON(!chanctx_conf);
334 if (chanctx_conf) {
335 chan = chanctx_conf->def.chan;
336 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
337 }
338 rcu_read_unlock();
339
340 return radar_detect;
341}
342
343static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
344 struct ieee80211_vif *vif,
345 struct iwl_mac_power_cmd *cmd,
346 bool host_awake)
347{
348 int dtimper = vif->bss_conf.dtim_period ?: 1;
349 int skip;
350
351
352 cmd->skip_dtim_periods = 0;
353 cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
354
355 if (iwl_mvm_power_is_radar(vif))
356 return;
357
358 if (dtimper >= 10)
359 return;
360
361
362
363 if (host_awake) {
364 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
365 return;
366 skip = 2;
367 } else {
368 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
369
370 if (WARN_ON(!dtimper_tu))
371 return;
372
373 skip = max_t(u8, 1, 306 / dtimper_tu);
374 }
375
376
377 cmd->skip_dtim_periods = 1 + skip;
378 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
379}
380
381static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
382 struct ieee80211_vif *vif,
383 struct iwl_mac_power_cmd *cmd,
384 bool host_awake)
385{
386 int dtimper, bi;
387 int keep_alive;
388 struct iwl_mvm_vif *mvmvif __maybe_unused =
389 iwl_mvm_vif_from_mac80211(vif);
390
391 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
392 mvmvif->color));
393 dtimper = vif->bss_conf.dtim_period;
394 bi = vif->bss_conf.beacon_int;
395
396
397
398
399
400
401
402 keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
403 USEC_PER_SEC);
404 keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
405 cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
406
407 if (mvm->ps_disabled)
408 return;
409
410 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
411
412 if (!vif->bss_conf.ps || !mvmvif->pm_enabled)
413 return;
414
415 if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
416 (!fw_has_capa(&mvm->fw->ucode_capa,
417 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
418 !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
419 return;
420
421 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
422
423 if (vif->bss_conf.beacon_rate &&
424 (vif->bss_conf.beacon_rate->bitrate == 10 ||
425 vif->bss_conf.beacon_rate->bitrate == 60)) {
426 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
427 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
428 }
429
430 iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake);
431
432 if (!host_awake) {
433 cmd->rx_data_timeout =
434 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
435 cmd->tx_data_timeout =
436 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
437 } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
438 fw_has_capa(&mvm->fw->ucode_capa,
439 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
440 cmd->tx_data_timeout =
441 cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
442 cmd->rx_data_timeout =
443 cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
444 } else {
445 cmd->rx_data_timeout =
446 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
447 cmd->tx_data_timeout =
448 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
449 }
450
451 if (iwl_mvm_power_allow_uapsd(mvm, vif))
452 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
453
454#ifdef CONFIG_IWLWIFI_DEBUGFS
455 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
456 cmd->keep_alive_seconds =
457 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
458 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
459 if (mvmvif->dbgfs_pm.skip_over_dtim)
460 cmd->flags |=
461 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
462 else
463 cmd->flags &=
464 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
465 }
466 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
467 cmd->rx_data_timeout =
468 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
469 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
470 cmd->tx_data_timeout =
471 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
472 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
473 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
474 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
475 if (mvmvif->dbgfs_pm.lprx_ena)
476 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
477 else
478 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
479 }
480 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
481 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
482 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
483 if (mvmvif->dbgfs_pm.snooze_ena)
484 cmd->flags |=
485 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
486 else
487 cmd->flags &=
488 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
489 }
490 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
491 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
492 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
493 cmd->flags |= cpu_to_le16(flag);
494 else
495 cmd->flags &= cpu_to_le16(flag);
496 }
497#endif
498}
499
500static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
501 struct ieee80211_vif *vif)
502{
503 struct iwl_mac_power_cmd cmd = {};
504
505 iwl_mvm_power_build_cmd(mvm, vif, &cmd,
506 mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN);
507 iwl_mvm_power_log(mvm, &cmd);
508#ifdef CONFIG_IWLWIFI_DEBUGFS
509 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
510#endif
511
512 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
513 sizeof(cmd), &cmd);
514}
515
516int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
517{
518 struct iwl_device_power_cmd cmd = {
519 .flags = 0,
520 };
521
522 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
523 mvm->ps_disabled = true;
524
525 if (!mvm->ps_disabled)
526 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
527
528#ifdef CONFIG_IWLWIFI_DEBUGFS
529 if ((mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ?
530 mvm->disable_power_off_d3 : mvm->disable_power_off)
531 cmd.flags &=
532 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
533#endif
534 IWL_DEBUG_POWER(mvm,
535 "Sending device power command with flags = 0x%X\n",
536 cmd.flags);
537
538 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
539 &cmd);
540}
541
542void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
543{
544 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
545
546 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
547 ETH_ALEN))
548 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
549}
550
551static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
552 struct ieee80211_vif *vif)
553{
554 u8 *ap_sta_id = _data;
555 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
556
557
558
559
560 if (mvmvif->ap_sta_id == *ap_sta_id)
561 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
562 ETH_ALEN);
563}
564
565void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
566 struct iwl_rx_cmd_buffer *rxb)
567{
568 struct iwl_rx_packet *pkt = rxb_addr(rxb);
569 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
570 u8 ap_sta_id = le32_to_cpu(notif->sta_id);
571
572 ieee80211_iterate_active_interfaces_atomic(
573 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
574 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
575}
576
577struct iwl_power_vifs {
578 struct iwl_mvm *mvm;
579 struct ieee80211_vif *bss_vif;
580 struct ieee80211_vif *p2p_vif;
581 struct ieee80211_vif *ap_vif;
582 struct ieee80211_vif *monitor_vif;
583 bool p2p_active;
584 bool bss_active;
585 bool ap_active;
586 bool monitor_active;
587};
588
589static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
590 struct ieee80211_vif *vif)
591{
592 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
593
594 mvmvif->pm_enabled = false;
595}
596
597static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
598 struct ieee80211_vif *vif)
599{
600 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
601 bool *disable_ps = _data;
602
603 if (mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX)
604 *disable_ps |= mvmvif->ps_disabled;
605}
606
607static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
608 struct ieee80211_vif *vif)
609{
610 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
611 struct iwl_power_vifs *power_iterator = _data;
612 bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX;
613
614 switch (ieee80211_vif_type_p2p(vif)) {
615 case NL80211_IFTYPE_P2P_DEVICE:
616 break;
617
618 case NL80211_IFTYPE_P2P_GO:
619 case NL80211_IFTYPE_AP:
620
621 WARN_ON(power_iterator->ap_vif);
622 power_iterator->ap_vif = vif;
623 if (active)
624 power_iterator->ap_active = true;
625 break;
626
627 case NL80211_IFTYPE_MONITOR:
628
629 WARN_ON(power_iterator->monitor_vif);
630 power_iterator->monitor_vif = vif;
631 if (active)
632 power_iterator->monitor_active = true;
633 break;
634
635 case NL80211_IFTYPE_P2P_CLIENT:
636
637 WARN_ON(power_iterator->p2p_vif);
638 power_iterator->p2p_vif = vif;
639 if (active)
640 power_iterator->p2p_active = true;
641 break;
642
643 case NL80211_IFTYPE_STATION:
644 power_iterator->bss_vif = vif;
645 if (active)
646 power_iterator->bss_active = true;
647 break;
648
649 default:
650 break;
651 }
652}
653
654static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
655 struct iwl_power_vifs *vifs)
656{
657 struct iwl_mvm_vif *bss_mvmvif = NULL;
658 struct iwl_mvm_vif *p2p_mvmvif = NULL;
659 struct iwl_mvm_vif *ap_mvmvif = NULL;
660 bool client_same_channel = false;
661 bool ap_same_channel = false;
662
663 lockdep_assert_held(&mvm->mutex);
664
665
666 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
667 IEEE80211_IFACE_ITER_NORMAL,
668 iwl_mvm_power_disable_pm_iterator,
669 NULL);
670
671 if (vifs->bss_vif)
672 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
673
674 if (vifs->p2p_vif)
675 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
676
677 if (vifs->ap_vif)
678 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
679
680
681 if (iwl_mvm_tdls_sta_count(mvm, NULL))
682 return;
683
684
685 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
686 bss_mvmvif->pm_enabled = true;
687 return;
688 }
689
690
691 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
692 p2p_mvmvif->pm_enabled = true;
693 return;
694 }
695
696 if (vifs->bss_active && vifs->p2p_active)
697 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
698 p2p_mvmvif->phy_ctxt->id);
699 if (vifs->bss_active && vifs->ap_active)
700 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
701 ap_mvmvif->phy_ctxt->id);
702
703
704 if (!(client_same_channel || ap_same_channel)) {
705 if (vifs->bss_active)
706 bss_mvmvif->pm_enabled = true;
707 if (vifs->p2p_active)
708 p2p_mvmvif->pm_enabled = true;
709 return;
710 }
711
712
713
714
715
716 if (client_same_channel && !vifs->ap_active) {
717
718 bss_mvmvif->pm_enabled = true;
719 p2p_mvmvif->pm_enabled = true;
720 }
721}
722
723#ifdef CONFIG_IWLWIFI_DEBUGFS
724int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
725 struct ieee80211_vif *vif, char *buf,
726 int bufsz)
727{
728 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
729 struct iwl_mac_power_cmd cmd = {};
730 int pos = 0;
731
732 mutex_lock(&mvm->mutex);
733 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
734 mutex_unlock(&mvm->mutex);
735
736 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
737 iwlmvm_mod_params.power_scheme);
738 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
739 le16_to_cpu(cmd.flags));
740 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
741 le16_to_cpu(cmd.keep_alive_seconds));
742
743 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
744 return pos;
745
746 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
747 (cmd.flags &
748 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
749 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
750 cmd.skip_dtim_periods);
751 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
752 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
753 le32_to_cpu(cmd.rx_data_timeout));
754 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
755 le32_to_cpu(cmd.tx_data_timeout));
756 }
757 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
758 pos += scnprintf(buf+pos, bufsz-pos,
759 "lprx_rssi_threshold = %d\n",
760 cmd.lprx_rssi_threshold);
761
762 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
763 return pos;
764
765 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
766 le32_to_cpu(cmd.rx_data_timeout_uapsd));
767 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
768 le32_to_cpu(cmd.tx_data_timeout_uapsd));
769 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
770 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
771 cmd.uapsd_ac_flags);
772 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
773 cmd.uapsd_max_sp);
774 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
775 cmd.heavy_tx_thld_packets);
776 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
777 cmd.heavy_rx_thld_packets);
778 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
779 cmd.heavy_tx_thld_percentage);
780 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
781 cmd.heavy_rx_thld_percentage);
782 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
783 (cmd.flags &
784 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
785 1 : 0);
786
787 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
788 return pos;
789
790 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
791 cmd.snooze_interval);
792 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
793 cmd.snooze_window);
794
795 return pos;
796}
797
798void
799iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
800 struct iwl_beacon_filter_cmd *cmd)
801{
802 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
803 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
804
805 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
806 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
807 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
808 cmd->bf_roaming_energy_delta =
809 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
810 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
811 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
812 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
813 cmd->bf_temp_threshold =
814 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
815 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
816 cmd->bf_temp_fast_filter =
817 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
818 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
819 cmd->bf_temp_slow_filter =
820 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
821 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
822 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
823 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
824 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
825 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
826 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
827 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
828 cmd->ba_enable_beacon_abort =
829 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
830}
831#endif
832
833static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
834 struct ieee80211_vif *vif,
835 struct iwl_beacon_filter_cmd *cmd,
836 u32 cmd_flags,
837 bool d0i3)
838{
839 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
840 int ret;
841
842 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
843 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
844 return 0;
845
846 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3);
847 if (!d0i3)
848 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
849 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
850
851
852 if (!ret && !d0i3)
853 mvmvif->bf_data.bf_enabled = true;
854
855 return ret;
856}
857
858int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
859 struct ieee80211_vif *vif,
860 u32 flags)
861{
862 struct iwl_beacon_filter_cmd cmd = {
863 IWL_BF_CMD_CONFIG_DEFAULTS,
864 .bf_enable_beacon_filter = cpu_to_le32(1),
865 };
866
867 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
868}
869
870static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
871 struct ieee80211_vif *vif,
872 u32 flags, bool d0i3)
873{
874 struct iwl_beacon_filter_cmd cmd = {};
875 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
876 int ret;
877
878 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
879 return 0;
880
881 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
882
883
884 if (!ret && !d0i3)
885 mvmvif->bf_data.bf_enabled = false;
886
887 return ret;
888}
889
890int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
891 struct ieee80211_vif *vif,
892 u32 flags)
893{
894 return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false);
895}
896
897static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
898{
899 bool disable_ps;
900 int ret;
901
902
903 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
904
905 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
906 IEEE80211_IFACE_ITER_NORMAL,
907 iwl_mvm_power_ps_disabled_iterator,
908 &disable_ps);
909
910
911 if (mvm->ps_disabled != disable_ps) {
912 bool old_ps_disabled = mvm->ps_disabled;
913
914 mvm->ps_disabled = disable_ps;
915 ret = iwl_mvm_power_update_device(mvm);
916 if (ret) {
917 mvm->ps_disabled = old_ps_disabled;
918 return ret;
919 }
920 }
921
922 return 0;
923}
924
925static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
926 struct ieee80211_vif *vif)
927{
928 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
929 struct iwl_beacon_filter_cmd cmd = {
930 IWL_BF_CMD_CONFIG_DEFAULTS,
931 .bf_enable_beacon_filter = cpu_to_le32(1),
932 };
933
934 if (!mvmvif->bf_data.bf_enabled)
935 return 0;
936
937 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN)
938 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
939
940 mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled ||
941 mvm->ps_disabled ||
942 !vif->bss_conf.ps ||
943 iwl_mvm_vif_low_latency(mvmvif));
944
945 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
946}
947
948int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
949{
950 struct iwl_power_vifs vifs = {
951 .mvm = mvm,
952 };
953 int ret;
954
955 lockdep_assert_held(&mvm->mutex);
956
957
958 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
959 IEEE80211_IFACE_ITER_NORMAL,
960 iwl_mvm_power_get_vifs_iterator, &vifs);
961
962 ret = iwl_mvm_power_set_ps(mvm);
963 if (ret)
964 return ret;
965
966 if (vifs.bss_vif)
967 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
968
969 return 0;
970}
971
972int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
973{
974 struct iwl_power_vifs vifs = {
975 .mvm = mvm,
976 };
977 int ret;
978
979 lockdep_assert_held(&mvm->mutex);
980
981
982 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
983 IEEE80211_IFACE_ITER_NORMAL,
984 iwl_mvm_power_get_vifs_iterator, &vifs);
985
986 iwl_mvm_power_set_pm(mvm, &vifs);
987
988 ret = iwl_mvm_power_set_ps(mvm);
989 if (ret)
990 return ret;
991
992 if (vifs.bss_vif) {
993 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
994 if (ret)
995 return ret;
996 }
997
998 if (vifs.p2p_vif) {
999 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
1000 if (ret)
1001 return ret;
1002 }
1003
1004 if (vifs.bss_vif)
1005 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
1006
1007 return 0;
1008}
1009
1010int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1011 struct ieee80211_vif *vif,
1012 bool enable, u32 flags)
1013{
1014 int ret;
1015 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1016 struct iwl_mac_power_cmd cmd = {};
1017
1018 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
1019 return 0;
1020
1021 if (!vif->bss_conf.assoc)
1022 return 0;
1023
1024 iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable);
1025
1026 iwl_mvm_power_log(mvm, &cmd);
1027#ifdef CONFIG_IWLWIFI_DEBUGFS
1028 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1029#endif
1030 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1031 sizeof(cmd), &cmd);
1032 if (ret)
1033 return ret;
1034
1035
1036 if (mvmvif != mvm->bf_allowed_vif)
1037 return 0;
1038
1039 if (enable) {
1040 struct iwl_beacon_filter_cmd cmd_bf = {
1041 IWL_BF_CMD_CONFIG_D0I3,
1042 .bf_enable_beacon_filter = cpu_to_le32(1),
1043 };
1044
1045
1046
1047
1048 if (fw_has_capa(&mvm->fw->ucode_capa,
1049 IWL_UCODE_TLV_CAPA_BEACON_STORING))
1050 ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags,
1051 true);
1052 else
1053 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1054 flags, true);
1055 } else {
1056 if (mvmvif->bf_data.bf_enabled)
1057 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1058 else
1059 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1060 }
1061
1062 return ret;
1063}
1064
