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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/ip_input.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/ip_input.c')
| -rw-r--r-- | sys/netinet/ip_input.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c index 00667a5..02d2d12 100644 --- a/sys/netinet/ip_input.c +++ b/sys/netinet/ip_input.c @@ -167,6 +167,7 @@ static struct mtx ipqlock; #define IPQ_LOCK_ASSERT() mtx_assert(&ipqlock, MA_OWNED) static void maxnipq_update(void); +static void ipq_zone_change(void *); static int maxnipq; /* Administrative limit on # reass queues. */ static int nipq = 0; /* Total # of reass queues */ @@ -256,6 +257,8 @@ ip_init() ipport_tick(NULL); EVENTHANDLER_REGISTER(shutdown_pre_sync, ip_fini, NULL, SHUTDOWN_PRI_DEFAULT); + EVENTHANDLER_REGISTER(nmbclusters_change, ipq_zone_change, + NULL, EVENTHANDLER_PRI_ANY); /* Initialize various other remaining things. */ ip_id = time_second & 0xffff; @@ -687,6 +690,16 @@ maxnipq_update(void) uma_zone_set_max(ipq_zone, 1); } +static void +ipq_zone_change(void *tag) +{ + + if (maxnipq > 0 && maxnipq < (nmbclusters / 32)) { + maxnipq = nmbclusters / 32; + maxnipq_update(); + } +} + static int sysctl_maxnipq(SYSCTL_HANDLER_ARGS) { |
