ipv6 default route

needs to specify the ppp0 *peer* address not the local address

examples/rotuer.nix

@@ -220,12 +220,20 @@ in rec {
   };
 
   services.defaultroute4 = route {
-    name = "defaultroute";
+    name = "defaultroute4";
     via = "$(output ${services.wan} address)";
     target = "default";
     dependencies = [ services.wan ];
   };
 
+  services.defaultroute6 = route {
+    name = "defaultroute6";
+    via = "$(output ${services.wan} ipv6-peer-address)";
+    target = "default";
+    dev = "$(output ${services.wan} ifname)";
+    dependencies = [ services.wan ];
+  };
+
   services.firewall =
     let
       script= pkgs.firewallgen "firewall.nft" (import ./rotuer-firewall.nix);
@@ -307,6 +315,7 @@ in rec {
       hostap5
       ntp
       defaultroute4
+      defaultroute6
       packet_forwarding
       dns
       resolvconf

modules/busybox.nix

@@ -72,6 +72,7 @@ in {
         FEATURE_EDITING_MAX_LEN = "1024";
         FEATURE_TAB_COMPLETION = "y";
         FEATURE_EDITING_WINCH = "y";
+        FEATURE_IPV6 = "y";
       };
     };
     filesystem = dir {

pkgs/liminix-tools/networking/default.nix

@@ -45,14 +45,15 @@ in {
   pppoe = callPackage ./pppoe.nix {};
   dnsmasq = callPackage ./dnsmasq.nix {};
   hostapd = callPackage ./hostapd.nix {};
-  route = { name, target, via, dependencies }:
-    oneshot {
+  route = { name, target, via, dependencies, dev ? null }:
+    let with_dev = if dev != null then "dev ${dev}" else "";
+    in oneshot {
       inherit name;
       up = ''
-        ip route add ${target} via ${via}
+        ip route add ${target} via ${via} ${with_dev}
       '';
       down = ''
-        ip route del ${target} via ${via}
+        ip route del ${target} via ${via} ${with_dev}
       '';
       inherit dependencies;
     };