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authorJayanth Vijayaraghavan <jayanth@FreeBSD.org>2000-07-21 23:26:37 +0000
committerJayanth Vijayaraghavan <jayanth@FreeBSD.org>2000-07-21 23:26:37 +0000
commite7f326930765ac0ad7439182387b5b2a1af29d45 (patch)
tree06119b12989d6870cb00a583595ccc4853a75515 /sys/netinet/tcp_input.c
parentddb820b015b4bce522e6559d78c0f7daebee0ae0 (diff)
Notes
Diffstat (limited to 'sys/netinet/tcp_input.c')
-rw-r--r--sys/netinet/tcp_input.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
index 427e6c739445..f49a7f429d26 100644
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -121,6 +121,11 @@ SYSCTL_INT(_net_inet_tcp, OID_AUTO, delayed_ack, CTLFLAG_RW,
&tcp_delack_enabled, 0,
"Delay ACK to try and piggyback it onto a data packet");
+int tcp_lq_overflow = 1;
+SYSCTL_INT(_net_inet_tcp, OID_AUTO, tcp_lq_overflow, CTLFLAG_RW,
+ &tcp_lq_overflow, 0,
+ "Listen Queue Overflow");
+
#ifdef TCP_DROP_SYNFIN
static int drop_synfin = 0;
SYSCTL_INT(_net_inet_tcp, OID_AUTO, drop_synfin, CTLFLAG_RW,
@@ -710,6 +715,9 @@ findpcb:
tcpstat.tcps_listendrop++;
so2 = sodropablereq(so);
if (so2) {
+ if (tcp_lq_overflow)
+ sototcpcb(so2)->t_flags |=
+ TF_LQ_OVERFLOW;
tcp_drop(sototcpcb(so2), ETIMEDOUT);
so2 = sonewconn(so, 0);
}