From fee4892479a4a0f3de335a5a7204f2f6348ce153 Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Mon, 23 Sep 2024 16:21:07 +0200
Subject: [PATCH 1/3] hosts/carbon: Remove broken dhcpv6 profixdelegation

---
 hosts/carbon/ppp.nix | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/hosts/carbon/ppp.nix b/hosts/carbon/ppp.nix
index 77e6270..8a22cf6 100644
--- a/hosts/carbon/ppp.nix
+++ b/hosts/carbon/ppp.nix
@@ -57,28 +57,4 @@
     ip46tables -t mangle -A forward-mangle -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1416
   '';
 
-  networking.dhcpcd-prefixdelegation = {
-    enable = true;
-    interfaces = {
-      "ppp-dtagdsl" = {
-        iaid = 1;
-        interfaces = {
-          "net-heimnetz" = {
-            sla_id = 201;
-            prefix_len = 64;
-          };
-        };
-      };
-    };
-  };
-
-  environment.etc."ppp/ipv6-up" = {
-    text = ''
-      #!${pkgs.runtimeShell}
-
-      set -euo pipefail
-
-      ${pkgs.dhcpcd}/bin/dhcpcd --renew $1
-    '';
-  };
 }

From db3824b5b8308db4783c62f0e2b2f7de9466b93f Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Mon, 23 Sep 2024 17:00:33 +0200
Subject: [PATCH 2/3] hosts/carbon: Clamp MSS to path MTU

---
 hosts/carbon/ppp.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hosts/carbon/ppp.nix b/hosts/carbon/ppp.nix
index 8a22cf6..784c1de 100644
--- a/hosts/carbon/ppp.nix
+++ b/hosts/carbon/ppp.nix
@@ -54,7 +54,7 @@
   };
 
   clerie.firewall.extraForwardMangleCommands = ''
-    ip46tables -t mangle -A forward-mangle -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1416
+    ip46tables -t mangle -A forward-mangle -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
   '';
 
 }

From 711c8238aecce7abebdebeef95211ab15efc91c7 Mon Sep 17 00:00:00 2001
From: Flake Update Bot <flake-update-bot@clerie.de>
Date: Tue, 24 Sep 2024 03:04:06 +0200
Subject: [PATCH 3/3] Update nixpkgs 2024-09-24-01-03

---
 flake.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/flake.lock b/flake.lock
index 810f475..c84a65a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -288,11 +288,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1725983898,
-        "narHash": "sha256-4b3A9zPpxAxLnkF9MawJNHDtOOl6ruL0r6Og1TEDGCE=",
+        "lastModified": 1726937504,
+        "narHash": "sha256-bvGoiQBvponpZh8ClUcmJ6QnsNKw0EMrCQJARK3bI1c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1355a0cbfeac61d785b7183c0caaec1f97361b43",
+        "rev": "9357f4f23713673f310988025d9dc261c20e70c6",
         "type": "github"
       },
       "original": {