3176 			      struct beacon_data *beacon)  in ieee80211_set_csa()  argument
3182 	u8 count = beacon->csa_current_counter;  in ieee80211_set_csa()
3186 		beacon_data = beacon->tail;  in ieee80211_set_csa()
3187 		beacon_data_len = beacon->tail_len;  in ieee80211_set_csa()
3190 		beacon_data = beacon->head;  in ieee80211_set_csa()
3191 		beacon_data_len = beacon->head_len;  in ieee80211_set_csa()
3194 		beacon_data = beacon->head;  in ieee80211_set_csa()
3195 		beacon_data_len = beacon->head_len;  in ieee80211_set_csa()
3205 		if (beacon->csa_counter_offsets[i]) {  in ieee80211_set_csa()
3206 			if (WARN_ON_ONCE(beacon->csa_counter_offsets[i] >=  in ieee80211_set_csa()
3212 			beacon_data[beacon->csa_counter_offsets[i]] = count;  in ieee80211_set_csa()
3221 static u8 __ieee80211_csa_update_counter(struct beacon_data *beacon)  in __ieee80211_csa_update_counter()  argument
3223 	beacon->csa_current_counter--;  in __ieee80211_csa_update_counter()
3226 	WARN_ON_ONCE(!beacon->csa_current_counter);  in __ieee80211_csa_update_counter()
3228 	return beacon->csa_current_counter;  in __ieee80211_csa_update_counter()
3234 	struct beacon_data *beacon = NULL;  in ieee80211_csa_update_counter()  local
3240 		beacon = rcu_dereference(sdata->u.ap.beacon);  in ieee80211_csa_update_counter()
3242 		beacon = rcu_dereference(sdata->u.ibss.presp);  in ieee80211_csa_update_counter()
3244 		beacon = rcu_dereference(sdata->u.mesh.beacon);  in ieee80211_csa_update_counter()
3246 	if (!beacon)  in ieee80211_csa_update_counter()
3249 	count = __ieee80211_csa_update_counter(beacon);  in ieee80211_csa_update_counter()
3260 	struct beacon_data *beacon = NULL;  in ieee80211_csa_is_complete()  local
3272 		beacon = rcu_dereference(ap->beacon);  in ieee80211_csa_is_complete()
3273 		if (WARN_ON(!beacon || !beacon->tail))  in ieee80211_csa_is_complete()
3275 		beacon_data = beacon->tail;  in ieee80211_csa_is_complete()
3276 		beacon_data_len = beacon->tail_len;  in ieee80211_csa_is_complete()
3280 		beacon = rcu_dereference(ifibss->presp);  in ieee80211_csa_is_complete()
3281 		if (!beacon)  in ieee80211_csa_is_complete()
3284 		beacon_data = beacon->head;  in ieee80211_csa_is_complete()
3285 		beacon_data_len = beacon->head_len;  in ieee80211_csa_is_complete()
3289 		beacon = rcu_dereference(ifmsh->beacon);  in ieee80211_csa_is_complete()
3290 		if (!beacon)  in ieee80211_csa_is_complete()
3293 		beacon_data = beacon->head;  in ieee80211_csa_is_complete()
3294 		beacon_data_len = beacon->head_len;  in ieee80211_csa_is_complete()
3300 	if (!beacon->csa_counter_offsets[0])  in ieee80211_csa_is_complete()
3303 	if (WARN_ON_ONCE(beacon->csa_counter_offsets[0] > beacon_data_len))  in ieee80211_csa_is_complete()
3306 	if (beacon_data[beacon->csa_counter_offsets[0]] == 1)  in ieee80211_csa_is_complete()
3322 	struct beacon_data *beacon = NULL;  in __ieee80211_beacon_get()  local
3345 		beacon = rcu_dereference(ap->beacon);  in __ieee80211_beacon_get()
3346 		if (beacon) {  in __ieee80211_beacon_get()
3347 			if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
3349 					__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
3351 				ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
3359 					    beacon->head_len +  in __ieee80211_beacon_get()
3360 					    beacon->tail_len + 256 +  in __ieee80211_beacon_get()
3366 			memcpy(skb_put(skb, beacon->head_len), beacon->head,  in __ieee80211_beacon_get()
3367 			       beacon->head_len);  in __ieee80211_beacon_get()
3373 				offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
3374 				offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
3380 			if (beacon->tail)  in __ieee80211_beacon_get()
3381 				memcpy(skb_put(skb, beacon->tail_len),  in __ieee80211_beacon_get()
3382 				       beacon->tail, beacon->tail_len);  in __ieee80211_beacon_get()
3389 		beacon = rcu_dereference(ifibss->presp);  in __ieee80211_beacon_get()
3390 		if (!beacon)  in __ieee80211_beacon_get()
3393 		if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
3395 				__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
3397 			ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
3400 		skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +  in __ieee80211_beacon_get()
3405 		memcpy(skb_put(skb, beacon->head_len), beacon->head,  in __ieee80211_beacon_get()
3406 		       beacon->head_len);  in __ieee80211_beacon_get()
3414 		beacon = rcu_dereference(ifmsh->beacon);  in __ieee80211_beacon_get()
3415 		if (!beacon)  in __ieee80211_beacon_get()
3418 		if (beacon->csa_counter_offsets[0]) {  in __ieee80211_beacon_get()
3425 				__ieee80211_csa_update_counter(beacon);  in __ieee80211_beacon_get()
3427 			ieee80211_set_csa(sdata, beacon);  in __ieee80211_beacon_get()
3431 			ifmsh->sync_ops->adjust_tbtt(sdata, beacon);  in __ieee80211_beacon_get()
3434 				    beacon->head_len +  in __ieee80211_beacon_get()
3436 				    beacon->tail_len +  in __ieee80211_beacon_get()
3441 		memcpy(skb_put(skb, beacon->head_len), beacon->head,  in __ieee80211_beacon_get()
3442 		       beacon->head_len);  in __ieee80211_beacon_get()
3446 			offs->tim_offset = beacon->head_len;  in __ieee80211_beacon_get()
3447 			offs->tim_length = skb->len - beacon->head_len;  in __ieee80211_beacon_get()
3450 		memcpy(skb_put(skb, beacon->tail_len), beacon->tail,  in __ieee80211_beacon_get()
3451 		       beacon->tail_len);  in __ieee80211_beacon_get()
3458 	if (offs && beacon) {  in __ieee80211_beacon_get()
3462 			u16 csa_off = beacon->csa_counter_offsets[i];  in __ieee80211_beacon_get()
3748 		struct beacon_data *beacon =  in ieee80211_get_buffered_bc()  local
3749 				rcu_dereference(sdata->u.ap.beacon);  in ieee80211_get_buffered_bc()
3751 		if (!beacon || !beacon->head)  in ieee80211_get_buffered_bc()