116 #define	V_tcp_hostcache		VNET(tcp_hostcache)  macro
177 	  V_tcp_hostcache.hashmask)
185 	 V_tcp_hostcache.hashmask)
199 	V_tcp_hostcache.cache_count = 0;  in tcp_hc_init()
200 	V_tcp_hostcache.hashsize = TCP_HOSTCACHE_HASHSIZE;  in tcp_hc_init()
201 	V_tcp_hostcache.bucket_limit = TCP_HOSTCACHE_BUCKETLIMIT;  in tcp_hc_init()
202 	V_tcp_hostcache.expire = TCP_HOSTCACHE_EXPIRE;  in tcp_hc_init()
203 	V_tcp_hostcache.prune = TCP_HOSTCACHE_PRUNE;  in tcp_hc_init()
206 	    &V_tcp_hostcache.hashsize);  in tcp_hc_init()
207 	if (!powerof2(V_tcp_hostcache.hashsize)) {  in tcp_hc_init()
209 		V_tcp_hostcache.hashsize = TCP_HOSTCACHE_HASHSIZE; /* default */  in tcp_hc_init()
211 	V_tcp_hostcache.hashmask = V_tcp_hostcache.hashsize - 1;  in tcp_hc_init()
214 	    &V_tcp_hostcache.bucket_limit);  in tcp_hc_init()
216 	cache_limit = V_tcp_hostcache.hashsize * V_tcp_hostcache.bucket_limit;  in tcp_hc_init()
217 	V_tcp_hostcache.cache_limit = cache_limit;  in tcp_hc_init()
219 	    &V_tcp_hostcache.cache_limit);  in tcp_hc_init()
220 	if (V_tcp_hostcache.cache_limit > cache_limit)  in tcp_hc_init()
221 		V_tcp_hostcache.cache_limit = cache_limit;  in tcp_hc_init()
226 	V_tcp_hostcache.hashbase = (struct hc_head *)  in tcp_hc_init()
227 	    malloc(V_tcp_hostcache.hashsize * sizeof(struct hc_head),  in tcp_hc_init()
233 	for (i = 0; i < V_tcp_hostcache.hashsize; i++) {  in tcp_hc_init()
234 		TAILQ_INIT(&V_tcp_hostcache.hashbase[i].hch_bucket);  in tcp_hc_init()
235 		V_tcp_hostcache.hashbase[i].hch_length = 0;  in tcp_hc_init()
236 		mtx_init(&V_tcp_hostcache.hashbase[i].hch_mtx, "tcp_hc_entry",  in tcp_hc_init()
243 	V_tcp_hostcache.zone =  in tcp_hc_init()
246 	uma_zone_set_max(V_tcp_hostcache.zone, V_tcp_hostcache.cache_limit);  in tcp_hc_init()
252 	callout_reset(&V_tcp_hc_callout, V_tcp_hostcache.prune * hz,  in tcp_hc_init()
268 	uma_zdestroy(V_tcp_hostcache.zone);  in tcp_hc_destroy()
270 	for (i = 0; i < V_tcp_hostcache.hashsize; i++)  in tcp_hc_destroy()
271 		mtx_destroy(&V_tcp_hostcache.hashbase[i].hch_mtx);  in tcp_hc_destroy()
272 	free(V_tcp_hostcache.hashbase, M_HOSTCACHE);  in tcp_hc_destroy()
302 	hc_head = &V_tcp_hostcache.hashbase[hash];  in tcp_hc_lookup()
361 	hc_head = &V_tcp_hostcache.hashbase[hash];  in tcp_hc_insert()
373 	if (hc_head->hch_length >= V_tcp_hostcache.bucket_limit ||  in tcp_hc_insert()
374 	    V_tcp_hostcache.cache_count >= V_tcp_hostcache.cache_limit) {  in tcp_hc_insert()
390 		V_tcp_hostcache.hashbase[hash].hch_length--;  in tcp_hc_insert()
391 		V_tcp_hostcache.cache_count--;  in tcp_hc_insert()
394 		uma_zfree(V_tcp_hostcache.zone, hc_entry);  in tcp_hc_insert()
400 		hc_entry = uma_zalloc(V_tcp_hostcache.zone, M_NOWAIT);  in tcp_hc_insert()
417 	hc_entry->rmx_expire = V_tcp_hostcache.expire;  in tcp_hc_insert()
423 	V_tcp_hostcache.hashbase[hash].hch_length++;  in tcp_hc_insert()
424 	V_tcp_hostcache.cache_count++;  in tcp_hc_insert()
456 	hc_entry->rmx_expire = V_tcp_hostcache.expire; /* start over again */  in tcp_hc_get()
491 	hc_entry->rmx_expire = V_tcp_hostcache.expire; /* start over again */  in tcp_hc_getmtu()
524 	hc_entry->rmx_expire = V_tcp_hostcache.expire; /* start over again */  in tcp_hc_updatemtu()
559 	hc_entry->rmx_expire = V_tcp_hostcache.expire; /* start over again */  in tcp_hc_update()
636 	sbuf_new(&sb, NULL, linesize * (V_tcp_hostcache.cache_count + 1),  in sysctl_tcp_hc_list()
644 	for (i = 0; i < V_tcp_hostcache.hashsize; i++) {  in sysctl_tcp_hc_list()
645 		THC_LOCK(&V_tcp_hostcache.hashbase[i].hch_mtx);  in sysctl_tcp_hc_list()
646 		TAILQ_FOREACH(hc_entry, &V_tcp_hostcache.hashbase[i].hch_bucket,  in sysctl_tcp_hc_list()
671 		THC_UNLOCK(&V_tcp_hostcache.hashbase[i].hch_mtx);  in sysctl_tcp_hc_list()
690 	for (i = 0; i < V_tcp_hostcache.hashsize; i++) {  in tcp_hc_purge_internal()
691 		THC_LOCK(&V_tcp_hostcache.hashbase[i].hch_mtx);  in tcp_hc_purge_internal()
693 		    &V_tcp_hostcache.hashbase[i].hch_bucket, rmx_q, hc_next) {  in tcp_hc_purge_internal()
695 				TAILQ_REMOVE(&V_tcp_hostcache.hashbase[i].hch_bucket,  in tcp_hc_purge_internal()
697 				uma_zfree(V_tcp_hostcache.zone, hc_entry);  in tcp_hc_purge_internal()
698 				V_tcp_hostcache.hashbase[i].hch_length--;  in tcp_hc_purge_internal()
699 				V_tcp_hostcache.cache_count--;  in tcp_hc_purge_internal()
701 				hc_entry->rmx_expire -= V_tcp_hostcache.prune;  in tcp_hc_purge_internal()
703 		THC_UNLOCK(&V_tcp_hostcache.hashbase[i].hch_mtx);  in tcp_hc_purge_internal()
717 	if (V_tcp_hostcache.purgeall) {  in tcp_hc_purge()
719 		V_tcp_hostcache.purgeall = 0;  in tcp_hc_purge()
724 	callout_reset(&V_tcp_hc_callout, V_tcp_hostcache.prune * hz,  in tcp_hc_purge()
744 	callout_reset(&V_tcp_hc_callout, V_tcp_hostcache.prune * hz,  in sysctl_tcp_hc_purgenow()