diff options
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/tcp_hostcache.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/netinet/tcp_hostcache.c b/sys/netinet/tcp_hostcache.c index e3350009abb8..0975639fe862 100644 --- a/sys/netinet/tcp_hostcache.c +++ b/sys/netinet/tcp_hostcache.c @@ -141,6 +141,7 @@ struct tcp_hostcache { u_int cache_count; u_int cache_limit; int expire; + int prune; int purgeall; }; static struct tcp_hostcache tcp_hostcache; @@ -169,6 +170,9 @@ SYSCTL_INT(_net_inet_tcp_hostcache, OID_AUTO, count, CTLFLAG_RD, SYSCTL_INT(_net_inet_tcp_hostcache, OID_AUTO, expire, CTLFLAG_RW, &tcp_hostcache.expire, 0, "Expire time of TCP hostcache entries"); +SYSCTL_INT(_net_inet_tcp_hostcache, OID_AUTO, prune, CTLFLAG_RW, + &tcp_hostcache.prune, 0, "Time between purge runs"); + SYSCTL_INT(_net_inet_tcp_hostcache, OID_AUTO, purge, CTLFLAG_RW, &tcp_hostcache.purgeall, 0, "Expire all entires on next purge run"); @@ -208,6 +212,7 @@ tcp_hc_init(void) tcp_hostcache.cache_limit = tcp_hostcache.hashsize * tcp_hostcache.bucket_limit; tcp_hostcache.expire = TCP_HOSTCACHE_EXPIRE; + tcp_hostcache.prune = TCP_HOSTCACHE_PRUNE; TUNABLE_INT_FETCH("net.inet.tcp.hostcache.hashsize", &tcp_hostcache.hashsize); @@ -249,7 +254,7 @@ tcp_hc_init(void) * Set up periodic cache cleanup. */ callout_init(&tcp_hc_callout, CALLOUT_MPSAFE); - callout_reset(&tcp_hc_callout, TCP_HOSTCACHE_PRUNE * hz, tcp_hc_purge, 0); + callout_reset(&tcp_hc_callout, tcp_hostcache.prune * hz, tcp_hc_purge, 0); } /* @@ -669,9 +674,9 @@ tcp_hc_purge(void *arg) tcp_hostcache.hashbase[i].hch_length--; tcp_hostcache.cache_count--; } else - hc_entry->rmx_expire -= TCP_HOSTCACHE_PRUNE; + hc_entry->rmx_expire -= tcp_hostcache.prune; } THC_UNLOCK(&tcp_hostcache.hashbase[i].hch_mtx); } - callout_reset(&tcp_hc_callout, TCP_HOSTCACHE_PRUNE * hz, tcp_hc_purge, 0); + callout_reset(&tcp_hc_callout, tcp_hostcache.prune * hz, tcp_hc_purge, 0); } |