openwrtv3/package/network/ipv6/ds-lite/files/dslite.sh
Steven Barth a1af842016 ds-lite: add ds-lite network protocol handler
SVN-Revision: 36628
2013-05-13 17:12:39 +00:00

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#!/bin/sh
# dslite.sh - IPv4-in-IPv6 tunnel backend
# Copyright (c) 2013 OpenWrt.org
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
proto_dslite_setup() {
local cfg="$1"
local iface="$2"
local link="dslite-$cfg"
local mtu ttl peeraddr ip6addr tunlink
json_get_vars mtu ttl peeraddr ip6addr tunlink
[ -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
proto_block_restart "$cfg"
return
}
( proto_add_host_dependency "$cfg" "::" "$tunlink" )
[ -z "$ip6addr" ] && {
local wanif="$tunlink"
if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
if ! network_get_ipaddr6 ip6addr "$wanif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
}
proto_init_update "$link" 1
proto_add_ipv4_route "0.0.0.0" 0
proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
proto_add_tunnel
json_add_string mode ipip6
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
json_add_string local "$ip6addr"
json_add_string remote "$peeraddr"
[ -n "$tunlink" ] && json_add_string link "$tunlink"
proto_close_tunnel
proto_send_update "$cfg"
}
proto_dslite_teardown() {
local cfg="$1"
}
proto_dslite_init_config() {
no_device=1
available=1
proto_config_add_string "ip6addr"
proto_config_add_string "peeraddr"
proto_config_add_string "tunlink"
proto_config_add_int "mtu"
proto_config_add_int "ttl"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol dslite
}