From fe9de450fd50e67e751809efa9231e2def2d4c97 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 17 Oct 2021 21:43:37 +0200
Subject: yggdrasil-wg: ...

---
 modules/yggdrasil-wg/default.nix | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/modules/yggdrasil-wg/default.nix b/modules/yggdrasil-wg/default.nix
index 04e9b02e..37adc562 100644
--- a/modules/yggdrasil-wg/default.nix
+++ b/modules/yggdrasil-wg/default.nix
@@ -72,7 +72,7 @@ let
       netdevConfig = {
         Name = "yggre-${other}";
         Kind = "ip6gretap";
-        MTUBytes = toString 1280;
+        MTUBytes = toString (1280 + 32);
       };
       tunnelConfig = {
         Local = stripSubnet wgHostIPs.${hostName};
@@ -123,7 +123,7 @@ in {
           netdevConfig = {
             Name = "yggdrasil-wg";
             Kind = "wireguard";
-            MTUBytes = toString (1280 + 70);
+            MTUBytes = toString (1280 + 32 + 70);
           };
           wireguardConfig = {
             PrivateKeyFile = config.sops.secrets."yggdrasil-wg.priv".path;
@@ -135,6 +135,7 @@ in {
           netdevConfig = {
             Name = "yggdrasil";
             Kind = "batadv";
+            MTUBytes = 1280:
           };
         };
       } // listToAttrs (map linkToGreDev hostLinks);
@@ -146,6 +147,12 @@ in {
             Name = "yggdrasil-wg";
           };
           address = [wgHostIPs.${hostName}];
+          routes = [
+            { routeConfig = {
+                Destination = "${wgSubnet}/${toString wgSubnetLength}";
+              };
+            }
+          ];
           linkConfig = {
             RequiredForOnline = false;
           };
@@ -159,6 +166,12 @@ in {
             Name = "yggdrasil";
           };
           address = batHostIPs.${hostName};
+          routes = [
+            { routeConfig = {
+                Destination = "${batSubnet}/${toString batSubnetLength}";
+              };
+            }
+          ];
           linkConfig = {
             RequiredForOnline = false;
           };
-- 
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