Allow 9000 MTUs on TAP interfaces, consider Ethernet header size

Signed-off-by: Sergey Matveev <stargrave@stargrave.org>

diff --git a/src/govpn/common.go b/src/govpn/common.go
index cb2f315b6ee5f89c8691e1873179a397ab1e4838..d3f8ec04a595ad62cf960ccfd1ca70310411212f 100644 (file)
--- a/src/govpn/common.go
+++ b/src/govpn/common.go
@@ -27,8 +27,9 @@ import (
 
 const (
        TimeoutDefault = 60
-       MTUMax         = 9000
-       MTUDefault     = 1500 + 14
+       EtherSize      = 14
+       MTUMax         = 9000 + EtherSize
+       MTUDefault     = 1500 + EtherSize
 )
 
 var (