4266 			      struct beacon_data *beacon)  in ieee80211_set_csa()  argument
4272 	u8 count = beacon->csa_current_counter;  in ieee80211_set_csa()
4276 		beacon_data = beacon->tail;  in ieee80211_set_csa()
4277 		beacon_data_len = beacon->tail_len;  in ieee80211_set_csa()
4280 		beacon_data = beacon->head;  in ieee80211_set_csa()
4281 		beacon_data_len = beacon->head_len;  in ieee80211_set_csa()
4284 		beacon_data = beacon->head;  in ieee80211_set_csa()
4285 		beacon_data_len = beacon->head_len;  in ieee80211_set_csa()
4295 		if (beacon->csa_counter_offsets[i]) {  in ieee80211_set_csa()
4296 			if (WARN_ON_ONCE(beacon->csa_counter_offsets[i] >=  in ieee80211_set_csa()
4302 			beacon_data[beacon->csa_counter_offsets[i]] = count;  in ieee80211_set_csa()
4311 static u8 __ieee80211_csa_update_counter(struct beacon_data *beacon)  in __ieee80211_csa_update_counter()  argument
4313 	beacon->csa_current_counter--;  in __ieee80211_csa_update_counter()
4316 	WARN_ON_ONCE(!beacon->csa_current_counter);  in __ieee80211_csa_update_counter()
4318 	return beacon->csa_current_counter;  in __ieee80211_csa_update_counter()
4324 	struct beacon_data *beacon = NULL;  in ieee80211_csa_update_counter()  local
4330 		beacon = rcu_dereference(sdata->u.ap.beacon);  in ieee80211_csa_update_counter()
4332 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_csa_update_counter()
4334 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_csa_update_counter()
4336 	if (!beacon)  in ieee80211_csa_update_counter()
4339 	count = __ieee80211_csa_update_counter(beacon);  in ieee80211_csa_update_counter()
4350 	struct beacon_data *beacon = NULL;  in ieee80211_csa_set_counter()  local
4355 		beacon = rcu_dereference(sdata->u.ap.beacon);  in ieee80211_csa_set_counter()
4357 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_csa_set_counter()
4359 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_csa_set_counter()
4361 	if (!beacon)  in ieee80211_csa_set_counter()
4364 	if (counter < beacon->csa_current_counter)  in ieee80211_csa_set_counter()
4365 		beacon->csa_current_counter = counter;  in ieee80211_csa_set_counter()
4375 	struct beacon_data *beacon = NULL;  in ieee80211_csa_is_complete()  local
4387 		beacon = rcu_dereference(ap->beacon);  in ieee80211_csa_is_complete()
4388 		if (WARN_ON(!beacon || !beacon->tail))  in ieee80211_csa_is_complete()
4390 		beacon_data = beacon->tail;  in ieee80211_csa_is_complete()
4391 		beacon_data_len = beacon->tail_len;  in ieee80211_csa_is_complete()
4395 		beacon = rcu_dereference(ifibss->presp);  in ieee80211_csa_is_complete()
4396 		if (!beacon)  in ieee80211_csa_is_complete()
4399 		beacon_data = beacon->head;  in ieee80211_csa_is_complete()
4400 		beacon_data_len = beacon->head_len;  in ieee80211_csa_is_complete()
4404 		beacon = rcu_dereference(ifmsh->beacon);  in ieee80211_csa_is_complete()
4405 		if (!beacon)  in ieee80211_csa_is_complete()
4408 		beacon_data = beacon->head;  in ieee80211_csa_is_complete()
4409 		beacon_data_len = beacon->head_len;  in ieee80211_csa_is_complete()
4415 	if (!beacon->csa_counter_offsets[0])  in ieee80211_csa_is_complete()
4418 	if (WARN_ON_ONCE(beacon->csa_counter_offsets[0] > beacon_data_len))  in ieee80211_csa_is_complete()
4421 	if (beacon_data[beacon->csa_counter_offsets[0]] == 1)  in ieee80211_csa_is_complete()
4437 	struct beacon_data *beacon = NULL;  in __ieee80211_beacon_get()  local
4460 		beacon = rcu_dereference(ap->beacon);  in __ieee80211_beacon_get()
4461 		if (beacon) {  in __ieee80211_beacon_get()
4462 			if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
4464 					__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
4466 				ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
4474 					    beacon->head_len +  in __ieee80211_beacon_get()
4475 					    beacon->tail_len + 256 +  in __ieee80211_beacon_get()
4481 			skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
4487 				offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
4488 				offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
4494 			if (beacon->tail)  in __ieee80211_beacon_get()
4495 				skb_put_data(skb, beacon->tail,  in __ieee80211_beacon_get()
4496 					     beacon->tail_len);  in __ieee80211_beacon_get()
4503 		beacon = rcu_dereference(ifibss->presp);  in __ieee80211_beacon_get()
4504 		if (!beacon)  in __ieee80211_beacon_get()
4507 		if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
4509 				__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
4511 			ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
4514 		skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +  in __ieee80211_beacon_get()
4519 		skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
4527 		beacon = rcu_dereference(ifmsh->beacon);  in __ieee80211_beacon_get()
4528 		if (!beacon)  in __ieee80211_beacon_get()
4531 		if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
4538 				__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
4540 			ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
4544 			ifmsh->sync_ops->adjust_tsf(sdata, beacon);  in __ieee80211_beacon_get()
4547 				    beacon->head_len +  in __ieee80211_beacon_get()
4549 				    beacon->tail_len +  in __ieee80211_beacon_get()
4554 		skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
4558 			offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
4559 			offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
4562 		skb_put_data(skb, beacon->tail, beacon->tail_len);  in __ieee80211_beacon_get()
4569 	if (offs && beacon) {  in __ieee80211_beacon_get()
4573 			u16 csa_off = beacon->csa_counter_offsets[i];  in __ieee80211_beacon_get()
4880 		struct beacon_data *beacon =  in ieee80211_get_buffered_bc()  local
4881 				rcu_dereference(sdata->u.ap.beacon);  in ieee80211_get_buffered_bc()
4883 		if (!beacon || !beacon->head)  in ieee80211_get_buffered_bc()