1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65#include <linux/kernel.h>
66#include <linux/module.h>
67#include <linux/slab.h>
68#include <linux/etherdevice.h>
69
70#include <net/mac80211.h>
71
72#include "iwl-debug.h"
73#include "mvm.h"
74#include "iwl-modparams.h"
75#include "fw/api/power.h"
76
77#define POWER_KEEP_ALIVE_PERIOD_SEC 25
78
79static
80int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
81 struct iwl_beacon_filter_cmd *cmd,
82 u32 flags)
83{
84 u16 len;
85
86 IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
87 le32_to_cpu(cmd->ba_enable_beacon_abort));
88 IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
89 le32_to_cpu(cmd->ba_escape_timer));
90 IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
91 le32_to_cpu(cmd->bf_debug_flag));
92 IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
93 le32_to_cpu(cmd->bf_enable_beacon_filter));
94 IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
95 le32_to_cpu(cmd->bf_energy_delta));
96 IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
97 le32_to_cpu(cmd->bf_escape_timer));
98 IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
99 le32_to_cpu(cmd->bf_roaming_energy_delta));
100 IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
101 le32_to_cpu(cmd->bf_roaming_state));
102 IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
103 le32_to_cpu(cmd->bf_temp_threshold));
104 IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
105 le32_to_cpu(cmd->bf_temp_fast_filter));
106 IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
107 le32_to_cpu(cmd->bf_temp_slow_filter));
108 IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_low is: %d, %d\n",
109 le32_to_cpu(cmd->bf_threshold_absolute_low[0]),
110 le32_to_cpu(cmd->bf_threshold_absolute_low[1]));
111
112 IWL_DEBUG_POWER(mvm, "bf_threshold_absolute_high is: %d, %d\n",
113 le32_to_cpu(cmd->bf_threshold_absolute_high[0]),
114 le32_to_cpu(cmd->bf_threshold_absolute_high[1]));
115
116 if (fw_has_api(&mvm->fw->ucode_capa,
117 IWL_UCODE_TLV_API_BEACON_FILTER_V4))
118 len = sizeof(struct iwl_beacon_filter_cmd);
119 else
120 len = offsetof(struct iwl_beacon_filter_cmd,
121 bf_threshold_absolute_low);
122
123 return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
124 len, cmd);
125}
126
127static
128void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
129 struct ieee80211_vif *vif,
130 struct iwl_beacon_filter_cmd *cmd)
131{
132 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
133
134 if (vif->bss_conf.cqm_rssi_thold) {
135 cmd->bf_energy_delta =
136 cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
137
138 cmd->bf_roaming_state =
139 cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
140 }
141 cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
142}
143
144static void iwl_mvm_power_log(struct iwl_mvm *mvm,
145 struct iwl_mac_power_cmd *cmd)
146{
147 IWL_DEBUG_POWER(mvm,
148 "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
149 cmd->id_and_color, iwlmvm_mod_params.power_scheme,
150 le16_to_cpu(cmd->flags));
151 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
152 le16_to_cpu(cmd->keep_alive_seconds));
153
154 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
155 IWL_DEBUG_POWER(mvm, "Disable power management\n");
156 return;
157 }
158
159 IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
160 le32_to_cpu(cmd->rx_data_timeout));
161 IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
162 le32_to_cpu(cmd->tx_data_timeout));
163 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
164 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
165 cmd->skip_dtim_periods);
166 if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
167 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
168 cmd->lprx_rssi_threshold);
169 if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
170 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
171 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
172 le32_to_cpu(cmd->rx_data_timeout_uapsd));
173 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
174 le32_to_cpu(cmd->tx_data_timeout_uapsd));
175 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
176 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
177 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
178 }
179}
180
181static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
182 struct ieee80211_vif *vif,
183 struct iwl_mac_power_cmd *cmd)
184{
185 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
186 enum ieee80211_ac_numbers ac;
187 bool tid_found = false;
188
189#ifdef CONFIG_IWLWIFI_DEBUGFS
190
191 if (mvmvif->dbgfs_pm.use_ps_poll) {
192 cmd->flags |= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
193 return;
194 }
195#endif
196
197 for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
198 if (!mvmvif->queue_params[ac].uapsd)
199 continue;
200
201 if (mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN)
202 cmd->flags |=
203 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
204
205 cmd->uapsd_ac_flags |= BIT(ac);
206
207
208 if (!tid_found && !mvmvif->queue_params[ac].acm) {
209 tid_found = true;
210 switch (ac) {
211 case IEEE80211_AC_VO:
212 cmd->qndp_tid = 6;
213 break;
214 case IEEE80211_AC_VI:
215 cmd->qndp_tid = 5;
216 break;
217 case IEEE80211_AC_BE:
218 cmd->qndp_tid = 0;
219 break;
220 case IEEE80211_AC_BK:
221 cmd->qndp_tid = 1;
222 break;
223 }
224 }
225 }
226
227 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
228
229 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
230 BIT(IEEE80211_AC_VI) |
231 BIT(IEEE80211_AC_BE) |
232 BIT(IEEE80211_AC_BK))) {
233 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
234 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
235 cmd->snooze_window =
236 (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ?
237 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
238 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
239 }
240
241 cmd->uapsd_max_sp = mvm->hw->uapsd_max_sp_len;
242
243 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN || cmd->flags &
244 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
245 cmd->rx_data_timeout_uapsd =
246 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
247 cmd->tx_data_timeout_uapsd =
248 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
249 } else {
250 cmd->rx_data_timeout_uapsd =
251 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
252 cmd->tx_data_timeout_uapsd =
253 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
254 }
255
256 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
257 cmd->heavy_tx_thld_packets =
258 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
259 cmd->heavy_rx_thld_packets =
260 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
261 } else {
262 cmd->heavy_tx_thld_packets =
263 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
264 cmd->heavy_rx_thld_packets =
265 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
266 }
267 cmd->heavy_tx_thld_percentage =
268 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
269 cmd->heavy_rx_thld_percentage =
270 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
271}
272
273static void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac,
274 struct ieee80211_vif *vif)
275{
276 bool *is_p2p_standalone = _data;
277
278 switch (ieee80211_vif_type_p2p(vif)) {
279 case NL80211_IFTYPE_P2P_GO:
280 case NL80211_IFTYPE_AP:
281 *is_p2p_standalone = false;
282 break;
283 case NL80211_IFTYPE_STATION:
284 if (vif->bss_conf.assoc)
285 *is_p2p_standalone = false;
286 break;
287
288 default:
289 break;
290 }
291}
292
293static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
294 struct ieee80211_vif *vif)
295{
296 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
297
298 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
299 ETH_ALEN))
300 return false;
301
302
303
304
305
306 if (vif->p2p &&
307 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
308 IEEE80211_P2P_OPPPS_ENABLE_BIT))
309 return false;
310
311
312
313
314
315 if (iwl_mvm_phy_ctx_count(mvm) >= 2)
316 return false;
317
318 if (vif->p2p) {
319
320 bool is_p2p_standalone = true;
321
322 if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm))
323 return false;
324
325 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
326 IEEE80211_IFACE_ITER_NORMAL,
327 iwl_mvm_p2p_standalone_iterator,
328 &is_p2p_standalone);
329
330 if (!is_p2p_standalone)
331 return false;
332 }
333
334 return true;
335}
336
337static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
338{
339 struct ieee80211_chanctx_conf *chanctx_conf;
340 struct ieee80211_channel *chan;
341 bool radar_detect = false;
342
343 rcu_read_lock();
344 chanctx_conf = rcu_dereference(vif->chanctx_conf);
345 WARN_ON(!chanctx_conf);
346 if (chanctx_conf) {
347 chan = chanctx_conf->def.chan;
348 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
349 }
350 rcu_read_unlock();
351
352 return radar_detect;
353}
354
355static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
356 struct ieee80211_vif *vif,
357 struct iwl_mac_power_cmd *cmd,
358 bool host_awake)
359{
360 int dtimper = vif->bss_conf.dtim_period ?: 1;
361 int skip;
362
363
364 cmd->skip_dtim_periods = 0;
365 cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
366
367 if (iwl_mvm_power_is_radar(vif))
368 return;
369
370 if (dtimper >= 10)
371 return;
372
373
374
375 if (host_awake) {
376 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
377 return;
378 skip = 2;
379 } else {
380 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
381
382 if (WARN_ON(!dtimper_tu))
383 return;
384
385 skip = max_t(u8, 1, 306 / dtimper_tu);
386 }
387
388
389 cmd->skip_dtim_periods = 1 + skip;
390 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
391}
392
393static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
394 struct ieee80211_vif *vif,
395 struct iwl_mac_power_cmd *cmd,
396 bool host_awake)
397{
398 int dtimper, bi;
399 int keep_alive;
400 struct iwl_mvm_vif *mvmvif __maybe_unused =
401 iwl_mvm_vif_from_mac80211(vif);
402
403 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
404 mvmvif->color));
405 dtimper = vif->bss_conf.dtim_period;
406 bi = vif->bss_conf.beacon_int;
407
408
409
410
411
412
413
414 keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
415 USEC_PER_SEC);
416 keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
417 cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
418
419 if (mvm->ps_disabled)
420 return;
421
422 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
423
424 if (!vif->bss_conf.ps || !mvmvif->pm_enabled)
425 return;
426
427 if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
428 (!fw_has_capa(&mvm->fw->ucode_capa,
429 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
430 !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
431 return;
432
433 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
434
435 if (vif->bss_conf.beacon_rate &&
436 (vif->bss_conf.beacon_rate->bitrate == 10 ||
437 vif->bss_conf.beacon_rate->bitrate == 60)) {
438 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
439 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
440 }
441
442 iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake);
443
444 if (!host_awake) {
445 cmd->rx_data_timeout =
446 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
447 cmd->tx_data_timeout =
448 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
449 } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
450 fw_has_capa(&mvm->fw->ucode_capa,
451 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
452 cmd->tx_data_timeout =
453 cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
454 cmd->rx_data_timeout =
455 cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
456 } else {
457 cmd->rx_data_timeout =
458 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
459 cmd->tx_data_timeout =
460 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
461 }
462
463 if (iwl_mvm_power_allow_uapsd(mvm, vif))
464 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
465
466#ifdef CONFIG_IWLWIFI_DEBUGFS
467 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
468 cmd->keep_alive_seconds =
469 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
470 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
471 if (mvmvif->dbgfs_pm.skip_over_dtim)
472 cmd->flags |=
473 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
474 else
475 cmd->flags &=
476 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
477 }
478 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
479 cmd->rx_data_timeout =
480 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
481 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
482 cmd->tx_data_timeout =
483 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
484 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
485 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
486 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
487 if (mvmvif->dbgfs_pm.lprx_ena)
488 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
489 else
490 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
491 }
492 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
493 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
494 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
495 if (mvmvif->dbgfs_pm.snooze_ena)
496 cmd->flags |=
497 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
498 else
499 cmd->flags &=
500 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
501 }
502 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
503 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
504 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
505 cmd->flags |= cpu_to_le16(flag);
506 else
507 cmd->flags &= cpu_to_le16(flag);
508 }
509#endif
510}
511
512static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
513 struct ieee80211_vif *vif)
514{
515 struct iwl_mac_power_cmd cmd = {};
516
517 iwl_mvm_power_build_cmd(mvm, vif, &cmd,
518 mvm->fwrt.cur_fw_img != IWL_UCODE_WOWLAN);
519 iwl_mvm_power_log(mvm, &cmd);
520#ifdef CONFIG_IWLWIFI_DEBUGFS
521 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
522#endif
523
524 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
525 sizeof(cmd), &cmd);
526}
527
528int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
529{
530 struct iwl_device_power_cmd cmd = {
531 .flags = 0,
532 };
533
534 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
535 mvm->ps_disabled = true;
536
537 if (!mvm->ps_disabled)
538 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
539
540#ifdef CONFIG_IWLWIFI_DEBUGFS
541 if ((mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN) ?
542 mvm->disable_power_off_d3 : mvm->disable_power_off)
543 cmd.flags &=
544 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
545#endif
546 if (mvm->ext_clock_valid)
547 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_32K_CLK_VALID_MSK);
548
549 IWL_DEBUG_POWER(mvm,
550 "Sending device power command with flags = 0x%X\n",
551 cmd.flags);
552
553 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
554 &cmd);
555}
556
557void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
558{
559 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
560
561 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
562 ETH_ALEN))
563 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
564}
565
566static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
567 struct ieee80211_vif *vif)
568{
569 u8 *ap_sta_id = _data;
570 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
571
572
573
574
575 if (mvmvif->ap_sta_id == *ap_sta_id)
576 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
577 ETH_ALEN);
578}
579
580void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
581 struct iwl_rx_cmd_buffer *rxb)
582{
583 struct iwl_rx_packet *pkt = rxb_addr(rxb);
584 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
585 u8 ap_sta_id = le32_to_cpu(notif->sta_id);
586
587 ieee80211_iterate_active_interfaces_atomic(
588 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
589 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
590}
591
592struct iwl_power_vifs {
593 struct iwl_mvm *mvm;
594 struct ieee80211_vif *bss_vif;
595 struct ieee80211_vif *p2p_vif;
596 struct ieee80211_vif *ap_vif;
597 struct ieee80211_vif *monitor_vif;
598 bool p2p_active;
599 bool bss_active;
600 bool ap_active;
601 bool monitor_active;
602};
603
604static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
605 struct ieee80211_vif *vif)
606{
607 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
608
609 mvmvif->pm_enabled = false;
610}
611
612static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
613 struct ieee80211_vif *vif)
614{
615 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
616 bool *disable_ps = _data;
617
618 if (mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX)
619 *disable_ps |= mvmvif->ps_disabled;
620}
621
622static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
623 struct ieee80211_vif *vif)
624{
625 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
626 struct iwl_power_vifs *power_iterator = _data;
627 bool active = mvmvif->phy_ctxt && mvmvif->phy_ctxt->id < NUM_PHY_CTX;
628
629 switch (ieee80211_vif_type_p2p(vif)) {
630 case NL80211_IFTYPE_P2P_DEVICE:
631 break;
632
633 case NL80211_IFTYPE_P2P_GO:
634 case NL80211_IFTYPE_AP:
635
636 WARN_ON(power_iterator->ap_vif);
637 power_iterator->ap_vif = vif;
638 if (active)
639 power_iterator->ap_active = true;
640 break;
641
642 case NL80211_IFTYPE_MONITOR:
643
644 WARN_ON(power_iterator->monitor_vif);
645 power_iterator->monitor_vif = vif;
646 if (active)
647 power_iterator->monitor_active = true;
648 break;
649
650 case NL80211_IFTYPE_P2P_CLIENT:
651
652 WARN_ON(power_iterator->p2p_vif);
653 power_iterator->p2p_vif = vif;
654 if (active)
655 power_iterator->p2p_active = true;
656 break;
657
658 case NL80211_IFTYPE_STATION:
659 power_iterator->bss_vif = vif;
660 if (active)
661 power_iterator->bss_active = true;
662 break;
663
664 default:
665 break;
666 }
667}
668
669static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
670 struct iwl_power_vifs *vifs)
671{
672 struct iwl_mvm_vif *bss_mvmvif = NULL;
673 struct iwl_mvm_vif *p2p_mvmvif = NULL;
674 struct iwl_mvm_vif *ap_mvmvif = NULL;
675 bool client_same_channel = false;
676 bool ap_same_channel = false;
677
678 lockdep_assert_held(&mvm->mutex);
679
680
681 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
682 IEEE80211_IFACE_ITER_NORMAL,
683 iwl_mvm_power_disable_pm_iterator,
684 NULL);
685
686 if (vifs->bss_vif)
687 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
688
689 if (vifs->p2p_vif)
690 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
691
692 if (vifs->ap_vif)
693 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
694
695
696 if (iwl_mvm_tdls_sta_count(mvm, NULL))
697 return;
698
699
700 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
701 bss_mvmvif->pm_enabled = true;
702 return;
703 }
704
705
706 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
707 p2p_mvmvif->pm_enabled = true;
708 return;
709 }
710
711 if (vifs->bss_active && vifs->p2p_active)
712 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
713 p2p_mvmvif->phy_ctxt->id);
714 if (vifs->bss_active && vifs->ap_active)
715 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
716 ap_mvmvif->phy_ctxt->id);
717
718
719 if (!(client_same_channel || ap_same_channel)) {
720 if (vifs->bss_active)
721 bss_mvmvif->pm_enabled = true;
722 if (vifs->p2p_active)
723 p2p_mvmvif->pm_enabled = true;
724 return;
725 }
726
727
728
729
730
731 if (client_same_channel && !vifs->ap_active) {
732
733 bss_mvmvif->pm_enabled = true;
734 p2p_mvmvif->pm_enabled = true;
735 }
736}
737
738#ifdef CONFIG_IWLWIFI_DEBUGFS
739int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
740 struct ieee80211_vif *vif, char *buf,
741 int bufsz)
742{
743 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
744 struct iwl_mac_power_cmd cmd = {};
745 int pos = 0;
746
747 mutex_lock(&mvm->mutex);
748 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
749 mutex_unlock(&mvm->mutex);
750
751 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
752 iwlmvm_mod_params.power_scheme);
753 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
754 le16_to_cpu(cmd.flags));
755 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
756 le16_to_cpu(cmd.keep_alive_seconds));
757
758 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
759 return pos;
760
761 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
762 (cmd.flags &
763 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
764 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
765 cmd.skip_dtim_periods);
766 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
767 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
768 le32_to_cpu(cmd.rx_data_timeout));
769 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
770 le32_to_cpu(cmd.tx_data_timeout));
771 }
772 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
773 pos += scnprintf(buf+pos, bufsz-pos,
774 "lprx_rssi_threshold = %d\n",
775 cmd.lprx_rssi_threshold);
776
777 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
778 return pos;
779
780 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
781 le32_to_cpu(cmd.rx_data_timeout_uapsd));
782 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
783 le32_to_cpu(cmd.tx_data_timeout_uapsd));
784 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
785 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
786 cmd.uapsd_ac_flags);
787 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
788 cmd.uapsd_max_sp);
789 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
790 cmd.heavy_tx_thld_packets);
791 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
792 cmd.heavy_rx_thld_packets);
793 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
794 cmd.heavy_tx_thld_percentage);
795 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
796 cmd.heavy_rx_thld_percentage);
797 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
798 (cmd.flags &
799 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
800 1 : 0);
801
802 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
803 return pos;
804
805 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
806 cmd.snooze_interval);
807 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
808 cmd.snooze_window);
809
810 return pos;
811}
812
813void
814iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
815 struct iwl_beacon_filter_cmd *cmd)
816{
817 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
818 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
819
820 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
821 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
822 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
823 cmd->bf_roaming_energy_delta =
824 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
825 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
826 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
827 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
828 cmd->bf_temp_threshold =
829 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
830 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
831 cmd->bf_temp_fast_filter =
832 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
833 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
834 cmd->bf_temp_slow_filter =
835 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
836 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
837 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
838 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
839 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
840 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
841 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
842 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
843 cmd->ba_enable_beacon_abort =
844 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
845}
846#endif
847
848static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
849 struct ieee80211_vif *vif,
850 struct iwl_beacon_filter_cmd *cmd,
851 u32 cmd_flags)
852{
853 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
854 int ret;
855
856 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
857 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
858 return 0;
859
860 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
861 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
862 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
863
864 if (!ret)
865 mvmvif->bf_data.bf_enabled = true;
866
867 return ret;
868}
869
870int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
871 struct ieee80211_vif *vif,
872 u32 flags)
873{
874 struct iwl_beacon_filter_cmd cmd = {
875 IWL_BF_CMD_CONFIG_DEFAULTS,
876 .bf_enable_beacon_filter = cpu_to_le32(1),
877 };
878
879 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags);
880}
881
882static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
883 struct ieee80211_vif *vif,
884 u32 flags)
885{
886 struct iwl_beacon_filter_cmd cmd = {};
887 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
888 int ret;
889
890 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
891 return 0;
892
893 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
894
895 if (!ret)
896 mvmvif->bf_data.bf_enabled = false;
897
898 return ret;
899}
900
901int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
902 struct ieee80211_vif *vif,
903 u32 flags)
904{
905 return _iwl_mvm_disable_beacon_filter(mvm, vif, flags);
906}
907
908static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
909{
910 bool disable_ps;
911 int ret;
912
913
914 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
915
916 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
917 IEEE80211_IFACE_ITER_NORMAL,
918 iwl_mvm_power_ps_disabled_iterator,
919 &disable_ps);
920
921
922 if (mvm->ps_disabled != disable_ps) {
923 bool old_ps_disabled = mvm->ps_disabled;
924
925 mvm->ps_disabled = disable_ps;
926 ret = iwl_mvm_power_update_device(mvm);
927 if (ret) {
928 mvm->ps_disabled = old_ps_disabled;
929 return ret;
930 }
931 }
932
933 return 0;
934}
935
936static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
937 struct ieee80211_vif *vif)
938{
939 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
940 struct iwl_beacon_filter_cmd cmd = {
941 IWL_BF_CMD_CONFIG_DEFAULTS,
942 .bf_enable_beacon_filter = cpu_to_le32(1),
943 };
944
945 if (!mvmvif->bf_data.bf_enabled)
946 return 0;
947
948 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN)
949 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
950
951 mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled ||
952 mvm->ps_disabled ||
953 !vif->bss_conf.ps ||
954 iwl_mvm_vif_low_latency(mvmvif));
955
956 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0);
957}
958
959int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
960{
961 struct iwl_power_vifs vifs = {
962 .mvm = mvm,
963 };
964 int ret;
965
966 lockdep_assert_held(&mvm->mutex);
967
968
969 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
970 IEEE80211_IFACE_ITER_NORMAL,
971 iwl_mvm_power_get_vifs_iterator, &vifs);
972
973 ret = iwl_mvm_power_set_ps(mvm);
974 if (ret)
975 return ret;
976
977 if (vifs.bss_vif)
978 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
979
980 return 0;
981}
982
983int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
984{
985 struct iwl_power_vifs vifs = {
986 .mvm = mvm,
987 };
988 int ret;
989
990 lockdep_assert_held(&mvm->mutex);
991
992
993 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
994 IEEE80211_IFACE_ITER_NORMAL,
995 iwl_mvm_power_get_vifs_iterator, &vifs);
996
997 iwl_mvm_power_set_pm(mvm, &vifs);
998
999 ret = iwl_mvm_power_set_ps(mvm);
1000 if (ret)
1001 return ret;
1002
1003 if (vifs.bss_vif) {
1004 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
1005 if (ret)
1006 return ret;
1007 }
1008
1009 if (vifs.p2p_vif) {
1010 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
1011 if (ret)
1012 return ret;
1013 }
1014
1015 if (vifs.bss_vif)
1016 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
1017
1018 return 0;
1019}
1020
