From e676db42c090dee4de73c2f3b5042c74e00bead5 Mon Sep 17 00:00:00 2001
From: Vishvananda Ishaya <vishvananda@gmail.com>
Date: Mon, 15 Sep 2014 16:13:06 -0700
Subject: [PATCH] Add support for ReplayWindow in XfrmState

---
 xfrm_state.go       | 1 +
 xfrm_state_linux.go | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/xfrm_state.go b/xfrm_state.go
index 7e0d927..550506d 100644
--- a/xfrm_state.go
+++ b/xfrm_state.go
@@ -20,6 +20,7 @@ type XfrmState struct {
 	Mode  Mode
 	Spi   int
 	Reqid int
+	ReplayWindow int
 	Auth  *XfrmStateAlgo
 	Crypt *XfrmStateAlgo
 }
diff --git a/xfrm_state_linux.go b/xfrm_state_linux.go
index c9f5485..a56e167 100644
--- a/xfrm_state_linux.go
+++ b/xfrm_state_linux.go
@@ -245,6 +245,7 @@ func XfrmStateAdd(state *XfrmState) error {
 	msg.Mode = uint8(state.Mode)
 	msg.Id.Spi = swap32(uint32(state.Spi))
 	msg.Reqid = uint32(state.Reqid)
+	msg.ReplayWindow = uint8(state.ReplayWindow)
 	msg.Lft.SoftByteLimit = XFRM_INF
 	msg.Lft.HardByteLimit = XFRM_INF
 	msg.Lft.SoftPacketLimit = XFRM_INF
@@ -317,6 +318,7 @@ func XfrmStateList(family int) ([]XfrmState, error) {
 		state.Mode = Mode(msg.Mode)
 		state.Spi = int(swap32(msg.Id.Spi))
 		state.Reqid = int(msg.Reqid)
+		state.ReplayWindow = int(msg.ReplayWindow)
 
 		attrs, err := parseRouteAttr(m[msg.Len():])
 		if err != nil {