vxlan: add new package for netifd VXLAN proto

patches/lede/0033-vxlan-add-new-package-for-netifd-VXLAN-proto.patch

+From: Matthias Schiffer <mschiffer@universe-factory.net>
+Date: Fri, 10 Mar 2017 01:23:50 +0100
+Subject: vxlan: add new package for netifd VXLAN proto
+
+Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
+
+diff --git a/package/network/config/vxlan/Makefile b/package/network/config/vxlan/Makefile
+new file mode 100644
+index 0000000000000000000000000000000000000000..a471d4e90cbe30c1d1dd01dbf7553995d8c0485e
+--- /dev/null
++++ b/package/network/config/vxlan/Makefile
+@@ -0,0 +1,32 @@
++include $(TOPDIR)/rules.mk
++
++PKG_NAME:=vxlan
++PKG_VERSION:=1
++PKG_LICENSE:=GPL-2.0
++
++include $(INCLUDE_DIR)/package.mk
++
++define Package/vxlan
++  SECTION:=net
++  CATEGORY:=Network
++  MAINTAINER:=Matthias Schiffer <mschiffer@universe-factory.net>
++  TITLE:=Virtual eXtensible LAN config support
++  DEPENDS:=+kmod-vxlan
++endef
++
++define Package/vxlan/description
++ Virtual eXtensible LAN config support in /etc/config/network.
++endef
++
++define Build/Compile
++endef
++
++define Build/Configure
++endef
++
++define Package/vxlan/install
++	$(INSTALL_DIR) $(1)/lib/netifd/proto
++	$(INSTALL_BIN) ./files/vxlan.sh $(1)/lib/netifd/proto/vxlan.sh
++endef
++
++$(eval $(call BuildPackage,vxlan))
+diff --git a/package/network/config/vxlan/files/vxlan.sh b/package/network/config/vxlan/files/vxlan.sh
+new file mode 100755
+index 0000000000000000000000000000000000000000..27ccd8f12759f69c7c226cac0c923335b8ccc6a8
+--- /dev/null
++++ b/package/network/config/vxlan/files/vxlan.sh
+@@ -0,0 +1,148 @@
++#!/bin/sh
++
++[ -n "$INCLUDE_ONLY" ] || {
++	. /lib/functions.sh
++	. /lib/functions/network.sh
++	. ../netifd-proto.sh
++	init_proto "$@"
++}
++
++vxlan_generic_setup() {
++	local cfg="$1"
++	local mode="$2"
++	local local="$3"
++	local remote="$4"
++
++	local link="$cfg"
++
++	local port vid ttl tos mtu macaddr zone
++	json_get_vars port vid ttl tos mtu macaddr zone
++
++
++	proto_init_update "$link" 1
++
++	proto_add_tunnel
++	json_add_string mode "$mode"
++
++	[ -n "$tunlink" ] && json_add_string link "$tunlink"
++	[ -n "$local" ] && json_add_string local "$local"
++	[ -n "$remote" ] && json_add_string remote "$remote"
++
++	[ -n "$ttl" ] && json_add_int ttl "$ttl"
++	[ -n "$tos" ] && json_add_string tos "$tos"
++	[ -n "$mtu" ] && json_add_int mtu "$mtu"
++
++	json_add_object 'data'
++	[ -n "$port" ] && json_add_int port "$port"
++	[ -n "$vid" ] && json_add_int id "$vid"
++	[ -n "$macaddr" ] && json_add_string macaddr "$macaddr"
++	json_close_object
++
++	proto_close_tunnel
++
++	proto_add_data
++	[ -n "$zone" ] && json_add_string zone "$zone"
++	proto_close_data
++
++	proto_send_update "$cfg"
++}
++
++proto_vxlan_setup() {
++	local cfg="$1"
++
++	local ipaddr peeraddr
++	json_get_vars ipaddr peeraddr tunlink
++
++	[ -z "$peeraddr" ] && {
++		proto_notify_error "$cfg" "MISSING_ADDRESS"
++		proto_block_restart "$cfg"
++		exit
++	}
++
++	( 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
++	}
++
++	vxlan_generic_setup "$cfg" 'vxlan' "$ipaddr" "$peeraddr"
++}
++
++proto_vxlan6_setup() {
++	local cfg="$1"
++
++	local ip6addr peer6addr
++	json_get_vars ip6addr peer6addr tunlink
++
++	[ -z "$peer6addr" ] && {
++		proto_notify_error "$cfg" "MISSING_ADDRESS"
++		proto_block_restart "$cfg"
++		exit
++	}
++
++	( 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
++	}
++
++	vxlan_generic_setup "$cfg" 'vxlan6' "$ip6addr" "$peer6addr"
++}
++
++proto_vxlan_teardown() {
++	local cfg="$1"
++}
++
++proto_vxlan6_teardown() {
++	local cfg="$1"
++}
++
++vxlan_generic_init_config() {
++	no_device=1
++	available=1
++
++	proto_config_add_string "tunlink"
++	proto_config_add_string "zone"
++
++	proto_config_add_int "vid"
++	proto_config_add_int "port"
++	proto_config_add_int "ttl"
++	proto_config_add_int "tos"
++	proto_config_add_int "mtu"
++	proto_config_add_string "macaddr"
++}
++
++proto_vxlan_init_config() {
++	vxlan_generic_init_config
++	proto_config_add_string "ipaddr"
++	proto_config_add_string "peeraddr"
++}
++
++proto_vxlan6_init_config() {
++	vxlan_generic_init_config
++	proto_config_add_string "ip6addr"
++	proto_config_add_string "peer6addr"
++}
++
++[ -n "$INCLUDE_ONLY" ] || {
++	add_protocol vxlan
++	add_protocol vxlan6
++}