From c6d03ef17f34f7380d95e91a6091a06bce332979 Mon Sep 17 00:00:00 2001
From: Mathias Hall-Andersen <mathias@hall-andersen.dk>
Date: Tue, 22 Aug 2017 14:57:32 +0200
Subject: Update MTU based on netlink messages (linux)

---
 src/tun_linux.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/tun_linux.go')

diff --git a/src/tun_linux.go b/src/tun_linux.go
index e752733..b9541c9 100644
--- a/src/tun_linux.go
+++ b/src/tun_linux.go
@@ -85,6 +85,7 @@ func (tun *NativeTun) RoutineNetlinkListener() {
 
 			case unix.RTM_NEWLINK:
 				info := *(*unix.IfInfomsg)(unsafe.Pointer(&remain[unix.SizeofNlMsghdr]))
+				remain = remain[hdr.Len:]
 
 				if info.Index != tun.index {
 					// not our interface
@@ -99,7 +100,7 @@ func (tun *NativeTun) RoutineNetlinkListener() {
 					tun.events <- TUNEventDown
 				}
 
-				remain = remain[hdr.Len:]
+				tun.events <- TUNEventMTUUpdate
 
 			default:
 				remain = remain[hdr.Len:]
-- 
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