vxlan: allow for dynamic source ip selection (FS#3426)

[openwrt/openwrt.git] / package / network / config / vxlan / files / vxlan.sh

diff --git a/package/network/config/vxlan/files/vxlan.sh b/package/network/config/vxlan/files/vxlan.sh
index 5c1c484c47f7fb48f1cb705b200d589df77a60f6..a087c4a3ce2ca42a6b8d43b2254d0ea7379c0936 100755 (executable)
--- a/package/network/config/vxlan/files/vxlan.sh
+++ b/package/network/config/vxlan/files/vxlan.sh
@@ -114,18 +114,11 @@ proto_vxlan_setup() {
 
        ( proto_add_host_dependency "$cfg" '' "$tunlink" )
 
-       [ -z "$ipaddr" ] && {
-               local wanif="$tunlink"
-               if [ -z "$wanif" ] && ! network_find_wan wanif; then
-                       proto_notify_error "$cfg" "NO_WAN_LINK"
-                       exit
-               fi
-
-               if ! network_get_ipaddr ipaddr "$wanif"; then
-                       proto_notify_error "$cfg" "NO_WAN_LINK"
-                       exit
-               fi
-       }
+       case "$ipaddr" in
+               "auto"|"")
+                       ipaddr="0.0.0.0"
+                       ;;
+       esac
 
        vxlan_generic_setup "$cfg" 'vxlan' "$ipaddr" "$peeraddr"
 }
@@ -138,18 +131,12 @@ proto_vxlan6_setup() {
 
        ( proto_add_host_dependency "$cfg" '' "$tunlink" )
 
-       [ -z "$ip6addr" ] && {
-               local wanif="$tunlink"
-               if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
-                       proto_notify_error "$cfg" "NO_WAN_LINK"
-                       exit
-               fi
-
-               if ! network_get_ipaddr6 ip6addr "$wanif"; then
-                       proto_notify_error "$cfg" "NO_WAN_LINK"
-                       exit
-               fi
-       }
+       case "$ip6addr" in
+               "auto"|"")
+                       # ensure tunnel via ipv6
+                       ip6addr="::"
+                       ;;
+       esac
 
        vxlan_generic_setup "$cfg" 'vxlan6' "$ip6addr" "$peer6addr"
 }