Initial commit

package/network/config/xfrm/Makefile

@@ -0,0 +1,38 @@
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=xfrm
+PKG_RELEASE:=4
+PKG_LICENSE:=GPL-2.0
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/xfrm/Default
+  SECTION:=net
+  CATEGORY:=Network
+  MAINTAINER:=Andre Valentin <avalentin@marcant.net>
+  PKGARCH:=all
+endef
+
+define Package/xfrm
+$(call Package/xfrm/Default)
+  TITLE:=XFRM IPsec Tunnel Interface config support
+  DEPENDS:=+kmod-xfrm-interface
+endef
+
+define Package/xfrm/description
+ XFRM IPsec Tunnel Interface config support (IPv4 and IPv6) in /etc/config/network.
+endef
+
+define Build/Compile
+endef
+
+define Build/Configure
+endef
+
+define Package/xfrm/install
+	$(INSTALL_DIR) $(1)/lib/netifd/proto
+	$(INSTALL_BIN) ./files/xfrm.sh $(1)/lib/netifd/proto/xfrm.sh
+endef
+
+$(eval $(call BuildPackage,xfrm))

package/network/config/xfrm/files/xfrm.sh

@@ -0,0 +1,72 @@
+#!/bin/sh
+
+[ -n "$INCLUDE_ONLY" ] || {
+	. /lib/functions.sh
+	. /lib/functions/network.sh
+	. ../netifd-proto.sh
+	init_proto "$@"
+}
+
+proto_xfrm_setup() {
+	local cfg="$1"
+	local mode="xfrm"
+
+	local tunlink ifid mtu zone multicast
+	json_get_vars tunlink ifid mtu zone multicast
+
+	[ -z "$tunlink" ] && {
+		proto_notify_error "$cfg" NO_TUNLINK
+		proto_block_restart "$cfg"
+		exit
+	}
+
+	[ -z "$ifid" ] && {
+		proto_notify_error "$cfg" NO_IFID
+		proto_block_restart "$cfg"
+		exit
+	}
+
+	( proto_add_host_dependency "$cfg" '' "$tunlink" )
+
+	proto_init_update "$cfg" 1
+
+	proto_add_tunnel
+	json_add_string mode "$mode"
+	json_add_int mtu "${mtu:-1280}"
+
+	json_add_string link "$tunlink"
+
+	json_add_boolean multicast "${multicast:-1}"
+
+	json_add_object 'data'
+	[ -n "$ifid" ] && json_add_int ifid "$ifid"
+	json_close_object
+
+	proto_close_tunnel
+
+	proto_add_data
+	[ -n "$zone" ] && json_add_string zone "$zone"
+	proto_close_data
+
+	proto_send_update "$cfg"
+}
+
+proto_xfrm_teardown() {
+	local cfg="$1"
+}
+
+proto_xfrm_init_config() {
+	no_device=1
+	available=1
+
+	proto_config_add_int "mtu"
+	proto_config_add_string "tunlink"
+	proto_config_add_string "zone"
+	proto_config_add_int "ifid"
+	proto_config_add_boolean "multicast"
+}
+
+
+[ -n "$INCLUDE_ONLY" ] || {
+	[ -d /sys/module/xfrm_interface ] && add_protocol xfrm
+}