1 files changed, 80 insertions, 0 deletions
diff --git a/package/network/config/ipip/files/ipip.sh b/package/network/config/ipip/files/ipip.sh
new file mode 100755
index 0000000..51c503f
--- /dev/null
+++ b/package/network/config/ipip/files/ipip.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+
+[ -n "$INCLUDE_ONLY" ] || {
+	. /lib/functions.sh
+	. /lib/functions/network.sh
+	. ../netifd-proto.sh
+	init_proto "$@"
+}
+
+proto_ipip_setup() {
+	local cfg="$1"
+
+	local df ipaddr peeraddr tunlink ttl tos zone mtu
+	json_get_vars df ipaddr peeraddr tunlink ttl tos zone mtu
+
+	[ -z "$peeraddr" ] && {
+		proto_notify_error "$cfg" "MISSING_ADDRESS"
+		proto_block_restart "$cfg"
+		return
+	}
+
+	( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
+
+	[ -z "$ipaddr" ] && {
+		local wanif="$tunlink"
+		if [ -z $wanif ] && ! network_find_wan wanif; then
+			proto_notify_error "$cfg" "NO_WAN_LINK"
+			return
+		fi
+
+		if ! network_get_ipaddr ipaddr "$wanif"; then
+			proto_notify_error "$cfg" "NO_WAN_LINK"
+			return
+		fi
+	}
+
+	[ -z "$zone" ] && zone="wan"
+
+	proto_init_update "ipip-$cfg" 1
+
+	proto_add_tunnel
+	json_add_string mode "ipip"
+	json_add_int mtu "${mtu:-1280}"
+	json_add_int ttl "${ttl:-64}"
+	[ -n "$tos" ] && json_add_string tos "$tos"
+	json_add_string local "$ipaddr"
+	json_add_string remote "$peeraddr"
+	[ -n "$tunlink" ] && json_add_string link "$tunlink"
+	json_add_boolean df "${df:-1}"
+
+	proto_close_tunnel
+
+	proto_add_data
+	[ -n "$zone" ] && json_add_string zone "$zone"
+	proto_close_data
+
+	proto_send_update "$cfg"
+}
+
+proto_ipip_teardown() {
+	local cfg="$1"
+}
+
+proto_ipip_init_config() {
+	no_device=1
+	available=1
+
+	proto_config_add_int "mtu"
+	proto_config_add_int "ttl"
+	proto_config_add_string "tos"
+	proto_config_add_string "tunlink"
+	proto_config_add_string "zone"
+	proto_config_add_string "ipaddr"
+	proto_config_add_string "peeraddr"
+	proto_config_add_boolean "df"
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+	add_protocol ipip
+}