178 static void refill_pool(struct atm_dev *dev,int pool)  in refill_pool()  argument
188 	size = (64 << (pool <= ZATM_AAL5_POOL_BASE ? 0 :  in refill_pool()
189 	    pool-ZATM_AAL5_POOL_BASE))+sizeof(struct rx_buffer_head);  in refill_pool()
196 		offset = zatm_dev->pool_info[pool].offset+  in refill_pool()
201 	free = zpeekl(zatm_dev,zatm_dev->pool_base+2*pool) &  in refill_pool()
204 	if (free >= zatm_dev->pool_info[pool].low_water) return;  in refill_pool()
206 	    zpeekl(zatm_dev,zatm_dev->pool_base+2*pool),  in refill_pool()
207 	    zpeekl(zatm_dev,zatm_dev->pool_base+2*pool+1));  in refill_pool()
211 	while (free < zatm_dev->pool_info[pool].high_water) {  in refill_pool()
233 		if (zatm_dev->last_free[pool])  in refill_pool()
234 			((struct rx_buffer_head *) (zatm_dev->last_free[pool]->  in refill_pool()
236 		zatm_dev->last_free[pool] = skb;  in refill_pool()
237 		skb_queue_tail(&zatm_dev->pool[pool],skb);  in refill_pool()
245 		zout(uPD98401_ADD_BAT | (pool << uPD98401_POOL_SHIFT) | count,  in refill_pool()
249 		    zpeekl(zatm_dev,zatm_dev->pool_base+2*pool),  in refill_pool()
250 		    zpeekl(zatm_dev,zatm_dev->pool_base+2*pool+1));  in refill_pool()
256 static void drain_free(struct atm_dev *dev,int pool)  in drain_free()  argument
258 	skb_queue_purge(&ZATM_DEV(dev)->pool[pool]);  in drain_free()
278 static void use_pool(struct atm_dev *dev,int pool)  in use_pool()  argument
285 	if (!(zatm_dev->pool_info[pool].ref_count++)) {  in use_pool()
286 		skb_queue_head_init(&zatm_dev->pool[pool]);  in use_pool()
287 		size = pool-ZATM_AAL5_POOL_BASE;  in use_pool()
291 		zpokel(zatm_dev,((zatm_dev->pool_info[pool].low_water/4) <<  in use_pool()
295 		    zatm_dev->pool_base+pool*2);  in use_pool()
297 		    pool*2+1);  in use_pool()
299 		zatm_dev->last_free[pool] = NULL;  in use_pool()
300 		refill_pool(dev,pool);  in use_pool()
302 	DPRINTK("pool %d: %d\n",pool,zatm_dev->pool_info[pool].ref_count);  in use_pool()
306 static void unuse_pool(struct atm_dev *dev,int pool)  in unuse_pool()  argument
308 	if (!(--ZATM_DEV(dev)->pool_info[pool].ref_count))  in unuse_pool()
309 		drain_free(dev,pool);  in unuse_pool()
421 			pos = ZATM_VCC(vcc)->pool;  in poll_rx()
424 			skb_unlink(skb, zatm_dev->pool + pos);  in poll_rx()
476 	refill_pool(dev,zatm_vcc->pool);  in poll_rx()
502 		zatm_vcc->pool = pool_index(cells*ATM_CELL_PAYLOAD);  in open_rx_first()
506 		zatm_vcc->pool = ZATM_AAL0_POOL;  in open_rx_first()
508 	if (zatm_vcc->pool < 0) return -EMSGSIZE;  in open_rx_first()
518 	use_pool(vcc->dev,zatm_vcc->pool);  in open_rx_first()
519 	DPRINTK("pool %d\n",zatm_vcc->pool);  in open_rx_first()
522 	zpokel(zatm_dev,zatm_vcc->pool << uPD98401_RXVC_POOL_SHIFT,  in open_rx_first()
594 	unuse_pool(vcc->dev,zatm_vcc->pool);  in close_rx()
1452 				int pool;  in zatm_ioctl()  local
1454 				if (get_user(pool,  in zatm_ioctl()
1457 				if (pool < 0 || pool > ZATM_LAST_POOL)  in zatm_ioctl()
1460 				info = zatm_dev->pool_info[pool];  in zatm_ioctl()
1462 					zatm_dev->pool_info[pool].rqa_count = 0;  in zatm_ioctl()
1463 					zatm_dev->pool_info[pool].rqu_count = 0;  in zatm_ioctl()
1473 				int pool;  in zatm_ioctl()  local
1476 				if (get_user(pool,  in zatm_ioctl()
1479 				if (pool < 0 || pool > ZATM_LAST_POOL)  in zatm_ioctl()
1486 					    pool_info[pool].low_water;  in zatm_ioctl()
1489 					    pool_info[pool].high_water;  in zatm_ioctl()
1492 					    pool_info[pool].next_thres;  in zatm_ioctl()
1497 				zatm_dev->pool_info[pool].low_water =  in zatm_ioctl()
1499 				zatm_dev->pool_info[pool].high_water =  in zatm_ioctl()
1501 				zatm_dev->pool_info[pool].next_thres =  in zatm_ioctl()