diff options
| author | Yaroslav Tykhiy <ytykhiy@gmail.com> | 2007-07-12 20:50:06 +0000 |
|---|---|---|
| committer | Yaroslav Tykhiy <ytykhiy@gmail.com> | 2007-07-12 20:50:06 +0000 |
| commit | 67b109e5b831d70413de265e10a855741e8261c5 (patch) | |
| tree | 8851330afbe5da6caa2aa557dce5e34d30d8b444 /sys/netinet | |
| parent | 8d29990f70da715ddc4032a278270e9bb3f50ceb (diff) | |
Notes
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/tcp_hostcache.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sys/netinet/tcp_hostcache.c b/sys/netinet/tcp_hostcache.c index 7535d31fe9f5..8f0f3bee3ec3 100644 --- a/sys/netinet/tcp_hostcache.c +++ b/sys/netinet/tcp_hostcache.c @@ -142,6 +142,7 @@ struct tcp_hostcache { u_int cache_count; u_int cache_limit; int expire; + int prune; int purgeall; }; static struct tcp_hostcache tcp_hostcache; @@ -170,6 +171,9 @@ 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"); @@ -209,6 +213,7 @@ 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); @@ -218,7 +223,7 @@ tcp_hc_init(void) &tcp_hostcache.bucket_limit); if (!powerof2(tcp_hostcache.hashsize)) { printf("WARNING: hostcache hash size is not a power of 2.\n"); - tcp_hostcache.hashsize = 512; /* safe default */ + tcp_hostcache.hashsize = TCP_HOSTCACHE_HASHSIZE; /* default */ } tcp_hostcache.hashmask = tcp_hostcache.hashsize - 1; @@ -250,7 +255,7 @@ 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); } /* @@ -661,9 +666,9 @@ 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); } |