2 # dslite.sh - IPv4-in-IPv6 tunnel backend
3 # Copyright (c) 2013 OpenWrt.org
5 [ -n "$INCLUDE_ONLY" ] || {
7 . /lib/functions/network.sh
12 proto_dslite_setup() {
15 local link="dslite-$cfg"
17 local mtu ttl peeraddr ip6addr tunlink zone weakif
18 json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif
20 [ -z "$peeraddr" ] && {
21 proto_notify_error "$cfg" "MISSING_ADDRESS"
22 proto_block_restart "$cfg"
26 ( proto_add_host_dependency "$cfg" "::" "$tunlink" )
28 [ -z "$ip6addr" ] && {
29 local wanif="$tunlink"
30 if [ -z "$wanif" ] && ! network_find_wan6 wanif; then
31 proto_notify_error "$cfg" "NO_WAN_LINK"
35 if ! network_get_ipaddr6 ip6addr "$wanif"; then
36 [ -z "$weakif" ] && weakif="lan"
37 if ! network_get_ipaddr6 ip6addr "$weakif"; then
38 proto_notify_error "$cfg" "NO_WAN_LINK"
44 proto_init_update "$link" 1
45 proto_add_ipv4_route "0.0.0.0" 0
46 proto_add_ipv4_address "192.0.0.2" "" "" "192.0.0.1"
49 json_add_string mode ipip6
50 json_add_int mtu "${mtu:-1280}"
51 json_add_int ttl "${ttl:-64}"
52 json_add_string local "$ip6addr"
53 json_add_string remote "$peeraddr"
54 [ -n "$tunlink" ] && json_add_string link "$tunlink"
58 [ -n "$zone" ] && json_add_string zone "$zone"
60 json_add_array firewall
62 json_add_string type nat
63 json_add_string target ACCEPT
68 proto_send_update "$cfg"
71 proto_dslite_teardown() {
75 proto_dslite_init_config() {
79 proto_config_add_string "ip6addr"
80 proto_config_add_string "peeraddr"
81 proto_config_add_string "tunlink"
82 proto_config_add_int "mtu"
83 proto_config_add_int "ttl"
84 proto_config_add_string "zone"
85 proto_config_add_string "weakif"
88 [ -n "$INCLUDE_ONLY" ] || {