398 	 * the frame is buffered to be sent after DTIM beacon frame.  in ieee80211_tx_h_multicast_ps_buf()
432 	/* device releases frame after DTIM beacon */  in ieee80211_tx_h_multicast_ps_buf()
4987 					struct beacon_data *beacon,  in ieee80211_set_beacon_cntdwn()  argument
4998 		beacon_data = beacon->tail;  in ieee80211_set_beacon_cntdwn()
4999 		beacon_data_len = beacon->tail_len;  in ieee80211_set_beacon_cntdwn()
5002 		beacon_data = beacon->head;  in ieee80211_set_beacon_cntdwn()
5003 		beacon_data_len = beacon->head_len;  in ieee80211_set_beacon_cntdwn()
5006 		beacon_data = beacon->head;  in ieee80211_set_beacon_cntdwn()
5007 		beacon_data_len = beacon->head_len;  in ieee80211_set_beacon_cntdwn()
5015 	bcn_offsets = beacon->cntdwn_counter_offsets;  in ieee80211_set_beacon_cntdwn()
5016 	count = beacon->cntdwn_current_counter;  in ieee80211_set_beacon_cntdwn()
5035 static u8 __ieee80211_beacon_update_cntdwn(struct beacon_data *beacon)  in __ieee80211_beacon_update_cntdwn()  argument
5037 	beacon->cntdwn_current_counter--;  in __ieee80211_beacon_update_cntdwn()
5040 	WARN_ON_ONCE(!beacon->cntdwn_current_counter);  in __ieee80211_beacon_update_cntdwn()
5042 	return beacon->cntdwn_current_counter;  in __ieee80211_beacon_update_cntdwn()
5049 	struct beacon_data *beacon = NULL;  in ieee80211_beacon_update_cntdwn()  local
5062 		beacon = rcu_dereference(link->u.ap.beacon);  in ieee80211_beacon_update_cntdwn()
5064 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_beacon_update_cntdwn()
5066 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_beacon_update_cntdwn()
5068 	if (!beacon)  in ieee80211_beacon_update_cntdwn()
5071 	count = __ieee80211_beacon_update_cntdwn(beacon);  in ieee80211_beacon_update_cntdwn()
5082 	struct beacon_data *beacon = NULL;  in ieee80211_beacon_set_cntdwn()  local
5087 		beacon = rcu_dereference(sdata->deflink.u.ap.beacon);  in ieee80211_beacon_set_cntdwn()
5089 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_beacon_set_cntdwn()
5091 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_beacon_set_cntdwn()
5093 	if (!beacon)  in ieee80211_beacon_set_cntdwn()
5096 	if (counter < beacon->cntdwn_current_counter)  in ieee80211_beacon_set_cntdwn()
5097 		beacon->cntdwn_current_counter = counter;  in ieee80211_beacon_set_cntdwn()
5109 	struct beacon_data *beacon = NULL;  in ieee80211_beacon_cntdwn_is_complete()  local
5127 		beacon = rcu_dereference(link->u.ap.beacon);  in ieee80211_beacon_cntdwn_is_complete()
5128 		if (WARN_ON(!beacon || !beacon->tail))  in ieee80211_beacon_cntdwn_is_complete()
5130 		beacon_data = beacon->tail;  in ieee80211_beacon_cntdwn_is_complete()
5131 		beacon_data_len = beacon->tail_len;  in ieee80211_beacon_cntdwn_is_complete()
5135 		beacon = rcu_dereference(ifibss->presp);  in ieee80211_beacon_cntdwn_is_complete()
5136 		if (!beacon)  in ieee80211_beacon_cntdwn_is_complete()
5139 		beacon_data = beacon->head;  in ieee80211_beacon_cntdwn_is_complete()
5140 		beacon_data_len = beacon->head_len;  in ieee80211_beacon_cntdwn_is_complete()
5144 		beacon = rcu_dereference(ifmsh->beacon);  in ieee80211_beacon_cntdwn_is_complete()
5145 		if (!beacon)  in ieee80211_beacon_cntdwn_is_complete()
5148 		beacon_data = beacon->head;  in ieee80211_beacon_cntdwn_is_complete()
5149 		beacon_data_len = beacon->head_len;  in ieee80211_beacon_cntdwn_is_complete()
5155 	if (!beacon->cntdwn_counter_offsets[0])  in ieee80211_beacon_cntdwn_is_complete()
5158 	if (WARN_ON_ONCE(beacon->cntdwn_counter_offsets[0] > beacon_data_len))  in ieee80211_beacon_cntdwn_is_complete()
5161 	if (beacon_data[beacon->cntdwn_counter_offsets[0]] == 1)  in ieee80211_beacon_cntdwn_is_complete()
5213 			    struct beacon_data *beacon,  in ieee80211_beacon_get_finish()  argument
5225 	if (offs && beacon) {  in ieee80211_beacon_get_finish()
5229 			u16 csa_off = beacon->cntdwn_counter_offsets[i];  in ieee80211_beacon_get_finish()
5266 ieee80211_beacon_add_mbssid(struct sk_buff *skb, struct beacon_data *beacon,  in ieee80211_beacon_add_mbssid()  argument
5269 	if (!beacon->mbssid_ies || !beacon->mbssid_ies->cnt ||  in ieee80211_beacon_add_mbssid()
5270 	    i > beacon->mbssid_ies->cnt)  in ieee80211_beacon_add_mbssid()
5273 	if (i < beacon->mbssid_ies->cnt) {  in ieee80211_beacon_add_mbssid()
5274 		skb_put_data(skb, beacon->mbssid_ies->elem[i].data,  in ieee80211_beacon_add_mbssid()
5275 			     beacon->mbssid_ies->elem[i].len);  in ieee80211_beacon_add_mbssid()
5277 		if (beacon->rnr_ies && beacon->rnr_ies->cnt) {  in ieee80211_beacon_add_mbssid()
5278 			skb_put_data(skb, beacon->rnr_ies->elem[i].data,  in ieee80211_beacon_add_mbssid()
5279 				     beacon->rnr_ies->elem[i].len);  in ieee80211_beacon_add_mbssid()
5281 			for (i = beacon->mbssid_ies->cnt; i < beacon->rnr_ies->cnt; i++)  in ieee80211_beacon_add_mbssid()
5282 				skb_put_data(skb, beacon->rnr_ies->elem[i].data,  in ieee80211_beacon_add_mbssid()
5283 					     beacon->rnr_ies->elem[i].len);  in ieee80211_beacon_add_mbssid()
5288 	/* i == beacon->mbssid_ies->cnt, include all MBSSID elements */  in ieee80211_beacon_add_mbssid()
5289 	for (i = 0; i < beacon->mbssid_ies->cnt; i++)  in ieee80211_beacon_add_mbssid()
5290 		skb_put_data(skb, beacon->mbssid_ies->elem[i].data,  in ieee80211_beacon_add_mbssid()
5291 			     beacon->mbssid_ies->elem[i].len);  in ieee80211_beacon_add_mbssid()
5300 			struct beacon_data *beacon,  in ieee80211_beacon_get_ap()  argument
5311 	if (beacon->cntdwn_counter_offsets[0]) {  in ieee80211_beacon_get_ap()
5315 		ieee80211_set_beacon_cntdwn(sdata, beacon, link);  in ieee80211_beacon_get_ap()
5321 	mbssid_len = ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies,  in ieee80211_beacon_get_ap()
5322 						     beacon->rnr_ies,  in ieee80211_beacon_get_ap()
5325 	skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +  in ieee80211_beacon_get_ap()
5326 			    beacon->tail_len + 256 +  in ieee80211_beacon_get_ap()
5332 	skb_put_data(skb, beacon->head, beacon->head_len);  in ieee80211_beacon_get_ap()
5337 		offs->tim_offset = beacon->head_len;  in ieee80211_beacon_get_ap()
5338 		offs->tim_length = skb->len - beacon->head_len;  in ieee80211_beacon_get_ap()
5339 		offs->cntdwn_counter_offs[0] = beacon->cntdwn_counter_offsets[0];  in ieee80211_beacon_get_ap()
5342 			ieee80211_beacon_add_mbssid(skb, beacon, ema_index);  in ieee80211_beacon_get_ap()
5350 	if (beacon->tail)  in ieee80211_beacon_get_ap()
5351 		skb_put_data(skb, beacon->tail, beacon->tail_len);  in ieee80211_beacon_get_ap()
5358 	ieee80211_beacon_get_finish(hw, vif, link, offs, beacon, skb,  in ieee80211_beacon_get_ap()
5368 				 bool is_template, struct beacon_data *beacon,  in ieee80211_beacon_get_ap_ema_list()  argument
5373 	if (!beacon->mbssid_ies || !beacon->mbssid_ies->cnt)  in ieee80211_beacon_get_ap_ema_list()
5376 	ema = kzalloc(struct_size(ema, bcn, beacon->mbssid_ies->cnt),  in ieee80211_beacon_get_ap_ema_list()
5381 	for (ema->cnt = 0; ema->cnt < beacon->mbssid_ies->cnt; ema->cnt++) {  in ieee80211_beacon_get_ap_ema_list()
5385 						is_template, beacon,  in ieee80211_beacon_get_ap_ema_list()
5391 	if (ema->cnt == beacon->mbssid_ies->cnt)  in ieee80211_beacon_get_ap_ema_list()
5410 	struct beacon_data *beacon = NULL;  in __ieee80211_beacon_get()  local
5432 		beacon = rcu_dereference(link->u.ap.beacon);  in __ieee80211_beacon_get()
5433 		if (!beacon)  in __ieee80211_beacon_get()
5441 								 beacon,  in __ieee80211_beacon_get()
5444 			if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {  in __ieee80211_beacon_get()
5445 				if (ema_index >= beacon->mbssid_ies->cnt)  in __ieee80211_beacon_get()
5449 					ema_index = beacon->mbssid_ies->cnt;  in __ieee80211_beacon_get()
5455 						      is_template, beacon,  in __ieee80211_beacon_get()
5463 		beacon = rcu_dereference(ifibss->presp);  in __ieee80211_beacon_get()
5464 		if (!beacon)  in __ieee80211_beacon_get()
5467 		if (beacon->cntdwn_counter_offsets[0]) {  in __ieee80211_beacon_get()
5469 				__ieee80211_beacon_update_cntdwn(beacon);  in __ieee80211_beacon_get()
5471 			ieee80211_set_beacon_cntdwn(sdata, beacon, link);  in __ieee80211_beacon_get()
5474 		skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +  in __ieee80211_beacon_get()
5479 		skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
5485 		ieee80211_beacon_get_finish(hw, vif, link, offs, beacon, skb,  in __ieee80211_beacon_get()
5490 		beacon = rcu_dereference(ifmsh->beacon);  in __ieee80211_beacon_get()
5491 		if (!beacon)  in __ieee80211_beacon_get()
5494 		if (beacon->cntdwn_counter_offsets[0]) {  in __ieee80211_beacon_get()
5501 				__ieee80211_beacon_update_cntdwn(beacon);  in __ieee80211_beacon_get()
5503 			ieee80211_set_beacon_cntdwn(sdata, beacon, link);  in __ieee80211_beacon_get()
5507 			ifmsh->sync_ops->adjust_tsf(sdata, beacon);  in __ieee80211_beacon_get()
5510 				    beacon->head_len +  in __ieee80211_beacon_get()
5512 				    beacon->tail_len +  in __ieee80211_beacon_get()
5517 		skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
5522 			offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
5523 			offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
5526 		skb_put_data(skb, beacon->tail, beacon->tail_len);  in __ieee80211_beacon_get()
5527 		ieee80211_beacon_get_finish(hw, vif, link, offs, beacon, skb,  in __ieee80211_beacon_get()
5909 		struct beacon_data *beacon =  in ieee80211_get_buffered_bc()  local
5910 				rcu_dereference(sdata->deflink.u.ap.beacon);  in ieee80211_get_buffered_bc()
5912 		if (!beacon || !beacon->head)  in ieee80211_get_buffered_bc()
5923 		goto out; /* send buffered bc/mc only after DTIM beacon */  in ieee80211_get_buffered_bc()