ds-lite: compatibility with ISPs that only offer public PDs

[openwrt.git] / package / network / ipv6 / ds-lite / files / dslite.sh

diff --git a/package/network/ipv6/ds-lite/files/dslite.sh b/package/network/ipv6/ds-lite/files/dslite.sh
index f4efa1c4c331a7de4df1739cc321e62fb55cc32d..670f93cd6ec12e2197d86aae218ce8c9aa415d20 100755 (executable)
--- a/package/network/ipv6/ds-lite/files/dslite.sh
+++ b/package/network/ipv6/ds-lite/files/dslite.sh
@@ -14,8 +14,8 @@ proto_dslite_setup() {
        local iface="$2"
        local link="dslite-$cfg"
 
-       local mtu ttl peeraddr ip6addr tunlink zone
-       json_get_vars mtu ttl peeraddr ip6addr tunlink zone
+       local mtu ttl peeraddr ip6addr tunlink zone weakif
+       json_get_vars mtu ttl peeraddr ip6addr tunlink zone weakif
 
        [ -z "$peeraddr" ] && {
                proto_notify_error "$cfg" "MISSING_ADDRESS"
@@ -33,8 +33,11 @@ proto_dslite_setup() {
                fi
 
                if ! network_get_ipaddr6 ip6addr "$wanif"; then
-                       proto_notify_error "$cfg" "NO_WAN_LINK"
-                       return
+                       [ -z "$weakif" ] && weakif="lan"
+                       if ! network_get_ipaddr6 ip6addr "$weakif"; then
+                               proto_notify_error "$cfg" "NO_WAN_LINK"
+                               return
+                       fi
                fi
        }
 
@@ -72,6 +75,7 @@ proto_dslite_init_config() {
        proto_config_add_int "mtu"
        proto_config_add_int "ttl"
        proto_config_add_string "zone"
+       proto_config_add_string "weakif"
 }
 
 [ -n "$INCLUDE_ONLY" ] || {