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  1// SPDX-License-Identifier: ISC
  2/*
  3 * Copyright (c) 2015-2017 Qualcomm Atheros, Inc.
  4 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
  5 */
  6
  7#include "mac.h"
  8
  9#include <net/mac80211.h>
 10#include "hif.h"
 11#include "core.h"
 12#include "debug.h"
 13#include "wmi.h"
 14#include "wmi-ops.h"
 15
 16static const struct wiphy_wowlan_support ath10k_wowlan_support = {
 17	.flags = WIPHY_WOWLAN_DISCONNECT |
 18		 WIPHY_WOWLAN_MAGIC_PKT,
 19	.pattern_min_len = WOW_MIN_PATTERN_SIZE,
 20	.pattern_max_len = WOW_MAX_PATTERN_SIZE,
 21	.max_pkt_offset = WOW_MAX_PKT_OFFSET,
 22};
 23
 24static int ath10k_wow_vif_cleanup(struct ath10k_vif *arvif)
 25{
 26	struct ath10k *ar = arvif->ar;
 27	int i, ret;
 28
 29	for (i = 0; i < WOW_EVENT_MAX; i++) {
 30		ret = ath10k_wmi_wow_add_wakeup_event(ar, arvif->vdev_id, i, 0);
 31		if (ret) {
 32			ath10k_warn(ar, "failed to issue wow wakeup for event %s on vdev %i: %d\n",
 33				    wow_wakeup_event(i), arvif->vdev_id, ret);
 34			return ret;
 35		}
 36	}
 37
 38	for (i = 0; i < ar->wow.max_num_patterns; i++) {
 39		ret = ath10k_wmi_wow_del_pattern(ar, arvif->vdev_id, i);
 40		if (ret) {
 41			ath10k_warn(ar, "failed to delete wow pattern %d for vdev %i: %d\n",
 42				    i, arvif->vdev_id, ret);
 43			return ret;
 44		}
 45	}
 46
 47	return 0;
 48}
 49
 50static int ath10k_wow_cleanup(struct ath10k *ar)
 51{
 52	struct ath10k_vif *arvif;
 53	int ret;
 54
 55	lockdep_assert_held(&ar->conf_mutex);
 56
 57	list_for_each_entry(arvif, &ar->arvifs, list) {
 58		ret = ath10k_wow_vif_cleanup(arvif);
 59		if (ret) {
 60			ath10k_warn(ar, "failed to clean wow wakeups on vdev %i: %d\n",
 61				    arvif->vdev_id, ret);
 62			return ret;
 63		}
 64	}
 65
 66	return 0;
 67}
 68
 69/*
 70 * Convert a 802.3 format to a 802.11 format.
 71 *         +------------+-----------+--------+----------------+
 72 * 802.3:  |dest mac(6B)|src mac(6B)|type(2B)|     body...    |
 73 *         +------------+-----------+--------+----------------+
 74 *                |__         |_______    |____________  |________
 75 *                   |                |                |          |
 76 *         +--+------------+----+-----------+---------------+-----------+
 77 * 802.11: |4B|dest mac(6B)| 6B |src mac(6B)|  8B  |type(2B)|  body...  |
 78 *         +--+------------+----+-----------+---------------+-----------+
 79 */
 80static void ath10k_wow_convert_8023_to_80211(struct cfg80211_pkt_pattern *new,
 81					     const struct cfg80211_pkt_pattern *old)
 82{
 83	u8 hdr_8023_pattern[ETH_HLEN] = {};
 84	u8 hdr_8023_bit_mask[ETH_HLEN] = {};
 85	u8 hdr_80211_pattern[WOW_HDR_LEN] = {};
 86	u8 hdr_80211_bit_mask[WOW_HDR_LEN] = {};
 87
 88	int total_len = old->pkt_offset + old->pattern_len;
 89	int hdr_80211_end_offset;
 90
 91	struct ieee80211_hdr_3addr *new_hdr_pattern =
 92		(struct ieee80211_hdr_3addr *)hdr_80211_pattern;
 93	struct ieee80211_hdr_3addr *new_hdr_mask =
 94		(struct ieee80211_hdr_3addr *)hdr_80211_bit_mask;
 95	struct ethhdr *old_hdr_pattern = (struct ethhdr *)hdr_8023_pattern;
 96	struct ethhdr *old_hdr_mask = (struct ethhdr *)hdr_8023_bit_mask;
 97	int hdr_len = sizeof(*new_hdr_pattern);
 98
 99	struct rfc1042_hdr *new_rfc_pattern =
100		(struct rfc1042_hdr *)(hdr_80211_pattern + hdr_len);
101	struct rfc1042_hdr *new_rfc_mask =
102		(struct rfc1042_hdr *)(hdr_80211_bit_mask + hdr_len);
103	int rfc_len = sizeof(*new_rfc_pattern);
104
105	memcpy(hdr_8023_pattern + old->pkt_offset,
106	       old->pattern, ETH_HLEN - old->pkt_offset);
107	memcpy(hdr_8023_bit_mask + old->pkt_offset,
108	       old->mask, ETH_HLEN - old->pkt_offset);
109
110	/* Copy destination address */
111	memcpy(new_hdr_pattern->addr1, old_hdr_pattern->h_dest, ETH_ALEN);
112	memcpy(new_hdr_mask->addr1, old_hdr_mask->h_dest, ETH_ALEN);
113
114	/* Copy source address */
115	memcpy(new_hdr_pattern->addr3, old_hdr_pattern->h_source, ETH_ALEN);
116	memcpy(new_hdr_mask->addr3, old_hdr_mask->h_source, ETH_ALEN);
117
118	/* Copy logic link type */
119	memcpy(&new_rfc_pattern->snap_type,
120	       &old_hdr_pattern->h_proto,
121	       sizeof(old_hdr_pattern->h_proto));
122	memcpy(&new_rfc_mask->snap_type,
123	       &old_hdr_mask->h_proto,
124	       sizeof(old_hdr_mask->h_proto));
125
126	/* Calculate new pkt_offset */
127	if (old->pkt_offset < ETH_ALEN)
128		new->pkt_offset = old->pkt_offset +
129			offsetof(struct ieee80211_hdr_3addr, addr1);
130	else if (old->pkt_offset < offsetof(struct ethhdr, h_proto))
131		new->pkt_offset = old->pkt_offset +
132			offsetof(struct ieee80211_hdr_3addr, addr3) -
133			offsetof(struct ethhdr, h_source);
134	else
135		new->pkt_offset = old->pkt_offset + hdr_len + rfc_len - ETH_HLEN;
136
137	/* Calculate new hdr end offset */
138	if (total_len > ETH_HLEN)
139		hdr_80211_end_offset = hdr_len + rfc_len;
140	else if (total_len > offsetof(struct ethhdr, h_proto))
141		hdr_80211_end_offset = hdr_len + rfc_len + total_len - ETH_HLEN;
142	else if (total_len > ETH_ALEN)
143		hdr_80211_end_offset = total_len - ETH_ALEN +
144			offsetof(struct ieee80211_hdr_3addr, addr3);
145	else
146		hdr_80211_end_offset = total_len +
147			offsetof(struct ieee80211_hdr_3addr, addr1);
148
149	new->pattern_len = hdr_80211_end_offset - new->pkt_offset;
150
151	memcpy((u8 *)new->pattern,
152	       hdr_80211_pattern + new->pkt_offset,
153	       new->pattern_len);
154	memcpy((u8 *)new->mask,
155	       hdr_80211_bit_mask + new->pkt_offset,
156	       new->pattern_len);
157
158	if (total_len > ETH_HLEN) {
159		/* Copy frame body */
160		memcpy((u8 *)new->pattern + new->pattern_len,
161		       (void *)old->pattern + ETH_HLEN - old->pkt_offset,
162		       total_len - ETH_HLEN);
163		memcpy((u8 *)new->mask + new->pattern_len,
164		       (void *)old->mask + ETH_HLEN - old->pkt_offset,
165		       total_len - ETH_HLEN);
166
167		new->pattern_len += total_len - ETH_HLEN;
168	}
169}
170
171static int ath10k_wmi_pno_check(struct ath10k *ar, u32 vdev_id,
172				struct cfg80211_sched_scan_request *nd_config,
173				struct wmi_pno_scan_req *pno)
174{
175	int i, j, ret = 0;
176	u8 ssid_len;
177
178	pno->enable = 1;
179	pno->vdev_id = vdev_id;
180	pno->uc_networks_count = nd_config->n_match_sets;
181
182	if (!pno->uc_networks_count ||
183	    pno->uc_networks_count > WMI_PNO_MAX_SUPP_NETWORKS)
184		return -EINVAL;
185
186	if (nd_config->n_channels > WMI_PNO_MAX_NETW_CHANNELS_EX)
187		return -EINVAL;
188
189	/* Filling per profile  params */
190	for (i = 0; i < pno->uc_networks_count; i++) {
191		ssid_len = nd_config->match_sets[i].ssid.ssid_len;
192
193		if (ssid_len == 0 || ssid_len > 32)
194			return -EINVAL;
195
196		pno->a_networks[i].ssid.ssid_len = __cpu_to_le32(ssid_len);
197
198		memcpy(pno->a_networks[i].ssid.ssid,
199		       nd_config->match_sets[i].ssid.ssid,
200		       nd_config->match_sets[i].ssid.ssid_len);
201		pno->a_networks[i].authentication = 0;
202		pno->a_networks[i].encryption     = 0;
203		pno->a_networks[i].bcast_nw_type  = 0;
204
205		/*Copying list of valid channel into request */
206		pno->a_networks[i].channel_count = nd_config->n_channels;
207		pno->a_networks[i].rssi_threshold = nd_config->match_sets[i].rssi_thold;
208
209		for (j = 0; j < nd_config->n_channels; j++) {
210			pno->a_networks[i].channels[j] =
211					nd_config->channels[j]->center_freq;
212		}
213	}
214
215	/* set scan to passive if no SSIDs are specified in the request */
216	if (nd_config->n_ssids == 0)
217		pno->do_passive_scan = true;
218	else
219		pno->do_passive_scan = false;
220
221	for (i = 0; i < nd_config->n_ssids; i++) {
222		j = 0;
223		while (j < pno->uc_networks_count) {
224			if (__le32_to_cpu(pno->a_networks[j].ssid.ssid_len) ==
225				nd_config->ssids[i].ssid_len &&
226			(memcmp(pno->a_networks[j].ssid.ssid,
227				nd_config->ssids[i].ssid,
228				__le32_to_cpu(pno->a_networks[j].ssid.ssid_len)) == 0)) {
229				pno->a_networks[j].bcast_nw_type = BCAST_HIDDEN;
230				break;
231			}
232			j++;
233		}
234	}
235
236	if (nd_config->n_scan_plans == 2) {
237		pno->fast_scan_period = nd_config->scan_plans[0].interval * MSEC_PER_SEC;
238		pno->fast_scan_max_cycles = nd_config->scan_plans[0].iterations;
239		pno->slow_scan_period =
240			nd_config->scan_plans[1].interval * MSEC_PER_SEC;
241	} else if (nd_config->n_scan_plans == 1) {
242		pno->fast_scan_period = nd_config->scan_plans[0].interval * MSEC_PER_SEC;
243		pno->fast_scan_max_cycles = 1;
244		pno->slow_scan_period = nd_config->scan_plans[0].interval * MSEC_PER_SEC;
245	} else {
246		ath10k_warn(ar, "Invalid number of scan plans %d !!",
247			    nd_config->n_scan_plans);
248	}
249
250	if (nd_config->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
251		/* enable mac randomization */
252		pno->enable_pno_scan_randomization = 1;
253		memcpy(pno->mac_addr, nd_config->mac_addr, ETH_ALEN);
254		memcpy(pno->mac_addr_mask, nd_config->mac_addr_mask, ETH_ALEN);
255	}
256
257	pno->delay_start_time = nd_config->delay;
258
259	/* Current FW does not support min-max range for dwell time */
260	pno->active_max_time = WMI_ACTIVE_MAX_CHANNEL_TIME;
261	pno->passive_max_time = WMI_PASSIVE_MAX_CHANNEL_TIME;
262	return ret;
263}
264
265static int ath10k_vif_wow_set_wakeups(struct ath10k_vif *arvif,
266				      struct cfg80211_wowlan *wowlan)
267{
268	int ret, i;
269	unsigned long wow_mask = 0;
270	struct ath10k *ar = arvif->ar;
271	const struct cfg80211_pkt_pattern *patterns = wowlan->patterns;
272	int pattern_id = 0;
273
274	/* Setup requested WOW features */
275	switch (arvif->vdev_type) {
276	case WMI_VDEV_TYPE_IBSS:
277		__set_bit(WOW_BEACON_EVENT, &wow_mask);
278		fallthrough;
279	case WMI_VDEV_TYPE_AP:
280		__set_bit(WOW_DEAUTH_RECVD_EVENT, &wow_mask);
281		__set_bit(WOW_DISASSOC_RECVD_EVENT, &wow_mask);
282		__set_bit(WOW_PROBE_REQ_WPS_IE_EVENT, &wow_mask);
283		__set_bit(WOW_AUTH_REQ_EVENT, &wow_mask);
284		__set_bit(WOW_ASSOC_REQ_EVENT, &wow_mask);
285		__set_bit(WOW_HTT_EVENT, &wow_mask);
286		__set_bit(WOW_RA_MATCH_EVENT, &wow_mask);
287		break;
288	case WMI_VDEV_TYPE_STA:
289		if (wowlan->disconnect) {
290			__set_bit(WOW_DEAUTH_RECVD_EVENT, &wow_mask);
291			__set_bit(WOW_DISASSOC_RECVD_EVENT, &wow_mask);
292			__set_bit(WOW_BMISS_EVENT, &wow_mask);
293			__set_bit(WOW_CSA_IE_EVENT, &wow_mask);
294		}
295
296		if (wowlan->magic_pkt)
297			__set_bit(WOW_MAGIC_PKT_RECVD_EVENT, &wow_mask);
298
299		if (wowlan->nd_config) {
300			struct wmi_pno_scan_req *pno;
301			int ret;
302
303			pno = kzalloc(sizeof(*pno), GFP_KERNEL);
304			if (!pno)
305				return -ENOMEM;
306
307			ar->nlo_enabled = true;
308
309			ret = ath10k_wmi_pno_check(ar, arvif->vdev_id,
310						   wowlan->nd_config, pno);
311			if (!ret) {
312				ath10k_wmi_wow_config_pno(ar, arvif->vdev_id, pno);
313				__set_bit(WOW_NLO_DETECTED_EVENT, &wow_mask);
314			}
315
316			kfree(pno);
317		}
318		break;
319	default:
320		break;
321	}
322
323	for (i = 0; i < wowlan->n_patterns; i++) {
324		u8 bitmask[WOW_MAX_PATTERN_SIZE] = {};
325		u8 ath_pattern[WOW_MAX_PATTERN_SIZE] = {};
326		u8 ath_bitmask[WOW_MAX_PATTERN_SIZE] = {};
327		struct cfg80211_pkt_pattern new_pattern = {};
328		struct cfg80211_pkt_pattern old_pattern = patterns[i];
329		int j;
330
331		new_pattern.pattern = ath_pattern;
332		new_pattern.mask = ath_bitmask;
333		if (patterns[i].pattern_len > WOW_MAX_PATTERN_SIZE)
334			continue;
335		/* convert bytemask to bitmask */
336		for (j = 0; j < patterns[i].pattern_len; j++)
337			if (patterns[i].mask[j / 8] & BIT(j % 8))
338				bitmask[j] = 0xff;
339		old_pattern.mask = bitmask;
340
341		if (ar->wmi.rx_decap_mode == ATH10K_HW_TXRX_NATIVE_WIFI) {
342			if (patterns[i].pkt_offset < ETH_HLEN) {
343				ath10k_wow_convert_8023_to_80211(&new_pattern,
344								 &old_pattern);
345			} else {
346				new_pattern = old_pattern;
347				new_pattern.pkt_offset += WOW_HDR_LEN - ETH_HLEN;
348			}
349		}
350
351		if (WARN_ON(new_pattern.pattern_len > WOW_MAX_PATTERN_SIZE))
352			return -EINVAL;
353
354		ret = ath10k_wmi_wow_add_pattern(ar, arvif->vdev_id,
355						 pattern_id,
356						 new_pattern.pattern,
357						 new_pattern.mask,
358						 new_pattern.pattern_len,
359						 new_pattern.pkt_offset);
360		if (ret) {
361			ath10k_warn(ar, "failed to add pattern %i to vdev %i: %d\n",
362				    pattern_id,
363				    arvif->vdev_id, ret);
364			return ret;
365		}
366
367		pattern_id++;
368		__set_bit(WOW_PATTERN_MATCH_EVENT, &wow_mask);
369	}
370
371	for (i = 0; i < WOW_EVENT_MAX; i++) {
372		if (!test_bit(i, &wow_mask))
373			continue;
374		ret = ath10k_wmi_wow_add_wakeup_event(ar, arvif->vdev_id, i, 1);
375		if (ret) {
376			ath10k_warn(ar, "failed to enable wakeup event %s on vdev %i: %d\n",
377				    wow_wakeup_event(i), arvif->vdev_id, ret);
378			return ret;
379		}
380	}
381
382	return 0;
383}
384
385static int ath10k_wow_set_wakeups(struct ath10k *ar,
386				  struct cfg80211_wowlan *wowlan)
387{
388	struct ath10k_vif *arvif;
389	int ret;
390
391	lockdep_assert_held(&ar->conf_mutex);
392
393	list_for_each_entry(arvif, &ar->arvifs, list) {
394		ret = ath10k_vif_wow_set_wakeups(arvif, wowlan);
395		if (ret) {
396			ath10k_warn(ar, "failed to set wow wakeups on vdev %i: %d\n",
397				    arvif->vdev_id, ret);
398			return ret;
399		}
400	}
401
402	return 0;
403}
404
405static int ath10k_vif_wow_clean_nlo(struct ath10k_vif *arvif)
406{
407	int ret = 0;
408	struct ath10k *ar = arvif->ar;
409
410	switch (arvif->vdev_type) {
411	case WMI_VDEV_TYPE_STA:
412		if (ar->nlo_enabled) {
413			struct wmi_pno_scan_req *pno;
414
415			pno = kzalloc(sizeof(*pno), GFP_KERNEL);
416			if (!pno)
417				return -ENOMEM;
418
419			pno->enable = 0;
420			ar->nlo_enabled = false;
421			ret = ath10k_wmi_wow_config_pno(ar, arvif->vdev_id, pno);
422			kfree(pno);
423		}
424		break;
425	default:
426		break;
427	}
428	return ret;
429}
430
431static int ath10k_wow_nlo_cleanup(struct ath10k *ar)
432{
433	struct ath10k_vif *arvif;
434	int ret = 0;
435
436	lockdep_assert_held(&ar->conf_mutex);
437
438	list_for_each_entry(arvif, &ar->arvifs, list) {
439		ret = ath10k_vif_wow_clean_nlo(arvif);
440		if (ret) {
441			ath10k_warn(ar, "failed to clean nlo settings on vdev %i: %d\n",
442				    arvif->vdev_id, ret);
443			return ret;
444		}
445	}
446
447	return 0;
448}
449
450static int ath10k_wow_enable(struct ath10k *ar)
451{
452	int ret;
453
454	lockdep_assert_held(&ar->conf_mutex);
455
456	reinit_completion(&ar->target_suspend);
457
458	ret = ath10k_wmi_wow_enable(ar);
459	if (ret) {
460		ath10k_warn(ar, "failed to issue wow enable: %d\n", ret);
461		return ret;
462	}
463
464	ret = wait_for_completion_timeout(&ar->target_suspend, 3 * HZ);
465	if (ret == 0) {
466		ath10k_warn(ar, "timed out while waiting for suspend completion\n");
467		return -ETIMEDOUT;
468	}
469
470	return 0;
471}
472
473static int ath10k_wow_wakeup(struct ath10k *ar)
474{
475	int ret;
476
477	lockdep_assert_held(&ar->conf_mutex);
478
479	reinit_completion(&ar->wow.wakeup_completed);
480
481	ret = ath10k_wmi_wow_host_wakeup_ind(ar);
482	if (ret) {
483		ath10k_warn(ar, "failed to send wow wakeup indication: %d\n",
484			    ret);
485		return ret;
486	}
487
488	ret = wait_for_completion_timeout(&ar->wow.wakeup_completed, 3 * HZ);
489	if (ret == 0) {
490		ath10k_warn(ar, "timed out while waiting for wow wakeup completion\n");
491		return -ETIMEDOUT;
492	}
493
494	return 0;
495}
496
497int ath10k_wow_op_suspend(struct ieee80211_hw *hw,
498			  struct cfg80211_wowlan *wowlan)
499{
500	struct ath10k *ar = hw->priv;
501	int ret;
502
503	mutex_lock(&ar->conf_mutex);
504
505	if (WARN_ON(!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT,
506			      ar->running_fw->fw_file.fw_features))) {
507		ret = 1;
508		goto exit;
509	}
510
511	ret =  ath10k_wow_cleanup(ar);
512	if (ret) {
513		ath10k_warn(ar, "failed to clear wow wakeup events: %d\n",
514			    ret);
515		goto exit;
516	}
517
518	ret = ath10k_wow_set_wakeups(ar, wowlan);
519	if (ret) {
520		ath10k_warn(ar, "failed to set wow wakeup events: %d\n",
521			    ret);
522		goto cleanup;
523	}
524
525	ath10k_mac_wait_tx_complete(ar);
526
527	ret = ath10k_wow_enable(ar);
528	if (ret) {
529		ath10k_warn(ar, "failed to start wow: %d\n", ret);
530		goto cleanup;
531	}
532
533	ret = ath10k_hif_suspend(ar);
534	if (ret) {
535		ath10k_warn(ar, "failed to suspend hif: %d\n", ret);
536		goto wakeup;
537	}
538
539	goto exit;
540
541wakeup:
542	ath10k_wow_wakeup(ar);
543
544cleanup:
545	ath10k_wow_cleanup(ar);
546
547exit:
548	mutex_unlock(&ar->conf_mutex);
549	return ret ? 1 : 0;
550}
551
552void ath10k_wow_op_set_wakeup(struct ieee80211_hw *hw, bool enabled)
553{
554	struct ath10k *ar = hw->priv;
555
556	mutex_lock(&ar->conf_mutex);
557	if (test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT,
558		     ar->running_fw->fw_file.fw_features)) {
559		device_set_wakeup_enable(ar->dev, enabled);
560	}
561	mutex_unlock(&ar->conf_mutex);
562}
563
564int ath10k_wow_op_resume(struct ieee80211_hw *hw)
565{
566	struct ath10k *ar = hw->priv;
567	int ret;
568
569	mutex_lock(&ar->conf_mutex);
570
571	if (WARN_ON(!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT,
572			      ar->running_fw->fw_file.fw_features))) {
573		ret = 1;
574		goto exit;
575	}
576
577	ret = ath10k_hif_resume(ar);
578	if (ret) {
579		ath10k_warn(ar, "failed to resume hif: %d\n", ret);
580		goto exit;
581	}
582
583	ret = ath10k_wow_wakeup(ar);
584	if (ret)
585		ath10k_warn(ar, "failed to wakeup from wow: %d\n", ret);
586
587	ret = ath10k_wow_nlo_cleanup(ar);
588	if (ret)
589		ath10k_warn(ar, "failed to cleanup nlo: %d\n", ret);
590
591exit:
592	if (ret) {
593		switch (ar->state) {
594		case ATH10K_STATE_ON:
595			ar->state = ATH10K_STATE_RESTARTING;
596			ret = 1;
597			break;
598		case ATH10K_STATE_OFF:
599		case ATH10K_STATE_RESTARTING:
600		case ATH10K_STATE_RESTARTED:
601		case ATH10K_STATE_UTF:
602		case ATH10K_STATE_WEDGED:
603			ath10k_warn(ar, "encountered unexpected device state %d on resume, cannot recover\n",
604				    ar->state);
605			ret = -EIO;
606			break;
607		}
608	}
609
610	mutex_unlock(&ar->conf_mutex);
611	return ret;
612}
613
614int ath10k_wow_init(struct ath10k *ar)
615{
616	if (!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT,
617		      ar->running_fw->fw_file.fw_features))
618		return 0;
619
620	if (WARN_ON(!test_bit(WMI_SERVICE_WOW, ar->wmi.svc_map)))
621		return -EINVAL;
622
623	ar->wow.wowlan_support = ath10k_wowlan_support;
624
625	if (ar->wmi.rx_decap_mode == ATH10K_HW_TXRX_NATIVE_WIFI) {
626		ar->wow.wowlan_support.pattern_max_len -= WOW_MAX_REDUCE;
627		ar->wow.wowlan_support.max_pkt_offset -= WOW_MAX_REDUCE;
628	}
629
630	if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) {
631		ar->wow.wowlan_support.flags |= WIPHY_WOWLAN_NET_DETECT;
632		ar->wow.wowlan_support.max_nd_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
633	}
634
635	ar->wow.wowlan_support.n_patterns = ar->wow.max_num_patterns;
636	ar->hw->wiphy->wowlan = &ar->wow.wowlan_support;
637
638	device_set_wakeup_capable(ar->dev, true);
639
640	return 0;
641}