From 25babb28327ab6eae25a514046a595df90ae1053 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Tue, 4 Dec 2018 18:38:16 +0100
Subject: T1067: support setting VXLAN remote port

---
 templates/interfaces/vxlan/node.def                      | 10 +++++++---
 templates/interfaces/vxlan/node.tag/remote-port/node.def | 11 +++++++++++
 2 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 templates/interfaces/vxlan/node.tag/remote-port/node.def

diff --git a/templates/interfaces/vxlan/node.def b/templates/interfaces/vxlan/node.def
index 0a3db8cc..e8b625e1 100644
--- a/templates/interfaces/vxlan/node.def
+++ b/templates/interfaces/vxlan/node.def
@@ -21,6 +21,7 @@ create:
   VXLAN_GROUP=""
   VXLAN_VNI="id $VAR(./vni/@)"
   VXLAN_TTL="ttl 16"
+  VXLAN_PORT=""
 
   if [ ! $VAR(./link/) == "" ]; then
     VXLAN_DEV="dev $VAR(./link/@)"
@@ -39,13 +40,16 @@ create:
     exit 1
   fi
 
-  sudo ip link add name $VAR(@) type vxlan 	\
-	$VXLAN_VNI $VXLAN_GROUP $VXLAN_TTL $VXLAN_DEV
+  if [ ! $VAR(./remote-port/) == "" ]; then
+    VXLAN_PORT="dstport $VAR(./remote-port/@)"
+  fi
+
+  sudo ip link add name $VAR(@) type vxlan \
+	$VXLAN_VNI $VXLAN_GROUP $VXLAN_TTL $VXLAN_DEV $VXLAN_PORT
   sudo ip link set $VAR(@) up
 
   touch /tmp/vxlan-$VAR(@)-create
 
-
 delete:
   if [ ! -e /sys/class/net/$VAR(@) ]; then
     echo "VXLAN interface \"$VAR(@)\" does not exist."
diff --git a/templates/interfaces/vxlan/node.tag/remote-port/node.def b/templates/interfaces/vxlan/node.tag/remote-port/node.def
new file mode 100644
index 00000000..c1b4f672
--- /dev/null
+++ b/templates/interfaces/vxlan/node.tag/remote-port/node.def
@@ -0,0 +1,11 @@
+type: u32
+help: Remote port for this VXLAN tunnel
+val_help: u32:1-65535; Numeric IP port
+syntax:expression: $VAR(@) > 0 && $VAR(@) < 65536;
+                   "Port must be between 1 and 65535"
+
+update:
+  if [ ! -e /tmp/vxlan-$VAR(../@)-create ]; then
+    echo "Changing remote port requires delete/create this vxlan interface"
+    exit 1
+  fi
-- 
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