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| author | ps <ps@FreeBSD.org> | 2006-04-21 09:25:40 +0000 |
|---|---|---|
| committer | ps <ps@FreeBSD.org> | 2006-04-21 09:25:40 +0000 |
| commit | 10b2fe8deaf19b4c81cb9088e607c6b818b49a2b (patch) | |
| tree | 104c2b8ecefe4f49f0608012d591ed6bc153383e /sys/netinet/tcp_subr.c | |
| parent | 71dd15704489306788703f67dac59f4814c34efe (diff) | |
| download | FreeBSD-src-10b2fe8deaf19b4c81cb9088e607c6b818b49a2b.zip FreeBSD-src-10b2fe8deaf19b4c81cb9088e607c6b818b49a2b.tar.gz | |
Allow for nmbclusters and maxsockets to be increased via sysctl.
An eventhandler is used to update all the various zones that depend
on these values.
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index a6e6ab8..92da5c5 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -248,6 +248,15 @@ struct callout isn_callout; /* * TCP initialization. */ +static void +tcp_zone_change(void *tag) +{ + + uma_zone_set_max(tcbinfo.ipi_zone, maxsockets); + uma_zone_set_max(tcpcb_zone, maxsockets); + uma_zone_set_max(tcptw_zone, maxsockets / 5); +} + void tcp_init(void) { @@ -310,6 +319,8 @@ tcp_init(void) SHUTDOWN_PRI_DEFAULT); sack_hole_zone = uma_zcreate("sackhole", sizeof(struct sackhole), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE); + EVENTHANDLER_REGISTER(maxsockets_change, tcp_zone_change, NULL, + EVENTHANDLER_PRI_ANY); } void |
