94 struct hc_head {  struct
123 	struct hc_head	*hashbase;
260 	V_tcp_hostcache.hashbase = (struct hc_head *)  in tcp_hc_init()
261 	    malloc(V_tcp_hostcache.hashsize * sizeof(struct hc_head),  in tcp_hc_init()
339 	struct hc_head *hc_head;  in tcp_hc_lookup()  local
344 	hc_head = &V_tcp_hostcache.hashbase[HOSTCACHE_HASH(inc)];  in tcp_hc_lookup()
350 	CK_SLIST_FOREACH(hc_entry, &hc_head->hch_bucket, hc_q)  in tcp_hc_lookup()
452 	struct hc_head *hc_head;  in tcp_hc_update()  local
460 	hc_head = &V_tcp_hostcache.hashbase[HOSTCACHE_HASH(inc)];  in tcp_hc_update()
463 	THC_LOCK(hc_head);  in tcp_hc_update()
464 	CK_SLIST_FOREACH(hc_entry, &hc_head->hch_bucket, hc_q) {  in tcp_hc_update()
491 		if (hc_head->hch_length >= V_tcp_hostcache.bucket_limit ||  in tcp_hc_update()
501 			    CK_SLIST_FIRST(&hc_head->hch_bucket)) != NULL) {  in tcp_hc_update()
505 				CK_SLIST_REMOVE_HEAD(&hc_head->hch_bucket,  in tcp_hc_update()
508 				THC_UNLOCK(hc_head);  in tcp_hc_update()
511 			KASSERT(hc_head->hch_length > 0 &&  in tcp_hc_update()
512 			    hc_head->hch_length <= V_tcp_hostcache.bucket_limit,  in tcp_hc_update()
514 			    hc_head));  in tcp_hc_update()
515 			hc_head->hch_length--;  in tcp_hc_update()
526 			THC_UNLOCK(hc_head);  in tcp_hc_update()
608 		CK_SLIST_INSERT_HEAD(&hc_head->hch_bucket, hc_entry, hc_q);  in tcp_hc_update()
609 		hc_head->hch_length++;  in tcp_hc_update()
610 		KASSERT(hc_head->hch_length <= V_tcp_hostcache.bucket_limit,  in tcp_hc_update()
611 		    ("tcp_hostcache: bucket length too high at %p", hc_head));  in tcp_hc_update()
614 	} else if (hc_entry != CK_SLIST_FIRST(&hc_head->hch_bucket)) {  in tcp_hc_update()
618 		CK_SLIST_INSERT_HEAD(&hc_head->hch_bucket, hc_entry, hc_q);  in tcp_hc_update()
620 	THC_UNLOCK(hc_head);  in tcp_hc_update()
757 	struct hc_head *head;  in tcp_hc_purge_internal()