4042 			      struct beacon_data *beacon)  in ieee80211_set_csa()  argument
4048 	u8 count = beacon->csa_current_counter;  in ieee80211_set_csa()
4052 		beacon_data = beacon->tail;  in ieee80211_set_csa()
4053 		beacon_data_len = beacon->tail_len;  in ieee80211_set_csa()
4056 		beacon_data = beacon->head;  in ieee80211_set_csa()
4057 		beacon_data_len = beacon->head_len;  in ieee80211_set_csa()
4060 		beacon_data = beacon->head;  in ieee80211_set_csa()
4061 		beacon_data_len = beacon->head_len;  in ieee80211_set_csa()
4071 		if (beacon->csa_counter_offsets[i]) {  in ieee80211_set_csa()
4072 			if (WARN_ON_ONCE(beacon->csa_counter_offsets[i] >=  in ieee80211_set_csa()
4078 			beacon_data[beacon->csa_counter_offsets[i]] = count;  in ieee80211_set_csa()
4087 static u8 __ieee80211_csa_update_counter(struct beacon_data *beacon)  in __ieee80211_csa_update_counter()  argument
4089 	beacon->csa_current_counter--;  in __ieee80211_csa_update_counter()
4092 	WARN_ON_ONCE(!beacon->csa_current_counter);  in __ieee80211_csa_update_counter()
4094 	return beacon->csa_current_counter;  in __ieee80211_csa_update_counter()
4100 	struct beacon_data *beacon = NULL;  in ieee80211_csa_update_counter()  local
4106 		beacon = rcu_dereference(sdata->u.ap.beacon);  in ieee80211_csa_update_counter()
4108 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_csa_update_counter()
4110 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_csa_update_counter()
4112 	if (!beacon)  in ieee80211_csa_update_counter()
4115 	count = __ieee80211_csa_update_counter(beacon);  in ieee80211_csa_update_counter()
4126 	struct beacon_data *beacon = NULL;  in ieee80211_csa_set_counter()  local
4131 		beacon = rcu_dereference(sdata->u.ap.beacon);  in ieee80211_csa_set_counter()
4133 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_csa_set_counter()
4135 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_csa_set_counter()
4137 	if (!beacon)  in ieee80211_csa_set_counter()
4140 	if (counter < beacon->csa_current_counter)  in ieee80211_csa_set_counter()
4141 		beacon->csa_current_counter = counter;  in ieee80211_csa_set_counter()
4151 	struct beacon_data *beacon = NULL;  in ieee80211_csa_is_complete()  local
4163 		beacon = rcu_dereference(ap->beacon);  in ieee80211_csa_is_complete()
4164 		if (WARN_ON(!beacon || !beacon->tail))  in ieee80211_csa_is_complete()
4166 		beacon_data = beacon->tail;  in ieee80211_csa_is_complete()
4167 		beacon_data_len = beacon->tail_len;  in ieee80211_csa_is_complete()
4171 		beacon = rcu_dereference(ifibss->presp);  in ieee80211_csa_is_complete()
4172 		if (!beacon)  in ieee80211_csa_is_complete()
4175 		beacon_data = beacon->head;  in ieee80211_csa_is_complete()
4176 		beacon_data_len = beacon->head_len;  in ieee80211_csa_is_complete()
4180 		beacon = rcu_dereference(ifmsh->beacon);  in ieee80211_csa_is_complete()
4181 		if (!beacon)  in ieee80211_csa_is_complete()
4184 		beacon_data = beacon->head;  in ieee80211_csa_is_complete()
4185 		beacon_data_len = beacon->head_len;  in ieee80211_csa_is_complete()
4191 	if (!beacon->csa_counter_offsets[0])  in ieee80211_csa_is_complete()
4194 	if (WARN_ON_ONCE(beacon->csa_counter_offsets[0] > beacon_data_len))  in ieee80211_csa_is_complete()
4197 	if (beacon_data[beacon->csa_counter_offsets[0]] == 1)  in ieee80211_csa_is_complete()
4213 	struct beacon_data *beacon = NULL;  in __ieee80211_beacon_get()  local
4236 		beacon = rcu_dereference(ap->beacon);  in __ieee80211_beacon_get()
4237 		if (beacon) {  in __ieee80211_beacon_get()
4238 			if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
4240 					__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
4242 				ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
4250 					    beacon->head_len +  in __ieee80211_beacon_get()
4251 					    beacon->tail_len + 256 +  in __ieee80211_beacon_get()
4257 			skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
4263 				offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
4264 				offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
4270 			if (beacon->tail)  in __ieee80211_beacon_get()
4271 				skb_put_data(skb, beacon->tail,  in __ieee80211_beacon_get()
4272 					     beacon->tail_len);  in __ieee80211_beacon_get()
4279 		beacon = rcu_dereference(ifibss->presp);  in __ieee80211_beacon_get()
4280 		if (!beacon)  in __ieee80211_beacon_get()
4283 		if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
4285 				__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
4287 			ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
4290 		skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +  in __ieee80211_beacon_get()
4295 		skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
4303 		beacon = rcu_dereference(ifmsh->beacon);  in __ieee80211_beacon_get()
4304 		if (!beacon)  in __ieee80211_beacon_get()
4307 		if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
4314 				__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
4316 			ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
4320 			ifmsh->sync_ops->adjust_tsf(sdata, beacon);  in __ieee80211_beacon_get()
4323 				    beacon->head_len +  in __ieee80211_beacon_get()
4325 				    beacon->tail_len +  in __ieee80211_beacon_get()
4330 		skb_put_data(skb, beacon->head, beacon->head_len);  in __ieee80211_beacon_get()
4334 			offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
4335 			offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
4338 		skb_put_data(skb, beacon->tail, beacon->tail_len);  in __ieee80211_beacon_get()
4345 	if (offs && beacon) {  in __ieee80211_beacon_get()
4349 			u16 csa_off = beacon->csa_counter_offsets[i];  in __ieee80211_beacon_get()
4655 		struct beacon_data *beacon =  in ieee80211_get_buffered_bc()  local
4656 				rcu_dereference(sdata->u.ap.beacon);  in ieee80211_get_buffered_bc()
4658 		if (!beacon || !beacon->head)  in ieee80211_get_buffered_bc()