D6386.id16376.diff
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D6386.id16376.diff
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	Index: sys/netinet/tcp_input.c
	===================================================================
	--- sys/netinet/tcp_input.c
	+++ sys/netinet/tcp_input.c
	@@ -185,7 +185,7 @@

	static SYSCTL_NODE(_net_inet_tcp, OID_AUTO, ecn, CTLFLAG_RW, 0, "TCP ECN");

	-VNET_DEFINE(int, tcp_do_ecn) = 0;
	+VNET_DEFINE(int, tcp_do_ecn) = 2;
	SYSCTL_INT(_net_inet_tcp_ecn, OID_AUTO, enable, CTLFLAG_VNET \| CTLFLAG_RW,
	&VNET_NAME(tcp_do_ecn), 0,
	"TCP ECN support");
	Index: sys/netinet/tcp_output.c
	===================================================================
	--- sys/netinet/tcp_output.c
	+++ sys/netinet/tcp_output.c
	@@ -1117,7 +1117,7 @@
	* resend those bits a number of times as per
	* RFC 3168.
	*/
	- if (tp->t_state == TCPS_SYN_SENT && V_tcp_do_ecn) {
	+ if (tp->t_state == TCPS_SYN_SENT && V_tcp_do_ecn == 1) {
	if (tp->t_rxtshift >= 1) {
	if (tp->t_rxtshift <= V_tcp_ecn_maxretries)
	flags \|= TH_ECE\|TH_CWR;