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-rw-r--r--sys/netinet/tcp_sack.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/netinet/tcp_sack.c b/sys/netinet/tcp_sack.c
index e30e9d6..98055e1 100644
--- a/sys/netinet/tcp_sack.c
+++ b/sys/netinet/tcp_sack.c
@@ -168,6 +168,7 @@ SYSCTL_NODE(_net_inet_tcp, OID_AUTO, sack, CTLFLAG_RW, 0, "TCP SACK");
int tcp_do_sack = 1;
SYSCTL_INT(_net_inet_tcp_sack, OID_AUTO, enable, CTLFLAG_RW,
&tcp_do_sack, 0, "Enable/Disable TCP SACK support");
+TUNABLE_INT("net.inet.tcp.sack.enable", &tcp_do_sack);
/*
* This function is called upon receipt of new valid data (while not in header
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