Add a sysctl for the purge run interval so that it can
be tuned along with the rest of hostcache parameters. The new sysctl name is `net.inet.tcp.hostcache.prune'.
This commit is contained in:
parent
2ac79858a6
commit
dba3c50842
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=170434
@ -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);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user