5 files changed, 270 insertions, 163 deletions

diff --git a/hosts/vidhar/network/default.nix b/hosts/vidhar/network/default.nix
index 0643f0bb..6fcef9d8 100644
--- a/hosts/vidhar/network/default.nix
+++ b/hosts/vidhar/network/default.nix
@@ -1,9 +1,9 @@
-{ pkgs, lib, ... }:
+{ pkgs, lib, config, ... }:
 
 with lib;
 
 {
-  imports = [ ./gpon.nix ./bifrost ./dhcp ];
+  imports = [ ./pppoe.nix ./bifrost ./dhcp ];
 
   config = {
     networking = {
@@ -61,7 +61,9 @@ with lib;
       firewall.enable = false;
       nftables = {
         enable = true;
-        rulesetFile = ./ruleset.nft;
+        rulesetFile = pkgs.replaceVars ./ruleset.nft {
+          inherit (config.networking) pppInterface;
+        };
       };
 
       resolvconf = {
@@ -103,7 +105,14 @@ with lib;
           /srv/nfs/nix-store 10.141.0.0/24(ro,async,root_squash) 2a03:4000:52:ada:1::/80(ro,async,root_squash)
         '';
       };
-      settings.nfsd.vers3 = false;
+      settings.nfsd = {
+        rdma = true;
+        vers3 = false;
+        vers4 = true;
+        "vers4.0" = false;
+        "vers4.1" = false;
+        "vers4.2" = true;
+      };
     };
 
     fileSystems = {
diff --git a/hosts/vidhar/network/dhcp/default.nix b/hosts/vidhar/network/dhcp/default.nix
index 07a83351..11460393 100644
--- a/hosts/vidhar/network/dhcp/default.nix
+++ b/hosts/vidhar/network/dhcp/default.nix
@@ -1,8 +1,33 @@
-{ flake, config, pkgs, lib, ... }:
+{ flake, config, pkgs, lib, sources, ... }:
 
 with lib;
 
-{
+let
+  nfsrootBaseUrl = "http://nfsroot.vidhar.yggdrasil";
+  tftpIp = "10.141.0.1";
+  nfsIp = tftpIp;
+  ipxe = pkgs.ipxe.override {
+    additionalTargets = {
+      "bin-i386-efi/ipxe.efi" = "i386-ipxe.efi";
+    };
+    additionalOptions = [
+      "NSLOOKUP_CMD"
+      "PING_CMD"
+      "CONSOLE_CMD"
+    ];
+    embedScript = pkgs.writeText "yggdrasil.ipxe" ''
+      #!ipxe
+
+      cpair --background 9 1
+      cpair --background 9 3
+      cpair --background 9 6
+
+      set user-class iPXE-yggdrasil
+
+      autoboot
+    '';
+  };
+in {
   config = {
     services.kea = {
       dhcp4 = {
@@ -23,41 +48,67 @@ with lib;
           };
 
           client-classes = [
-            { name = "eostre-ipxe";
-              test = "hexstring(pkt4.mac, ':') == '00:d8:61:79:c5:40' and option[77].hex == 'iPXE'";
-              next-server = "10.141.0.1";
-              boot-file-name = "http://nfsroot.vidhar.yggdrasil/eostre/netboot.ipxe";
+            { name = "ipxe-eostre";
+              test = "hexstring(pkt4.mac, ':') == '00:d8:61:79:c5:40' and option[77].hex == 'iPXE-yggdrasil'";
+              next-server = tftpIp;
+              boot-file-name = "${nfsrootBaseUrl}/eostre.menu.ipxe";
+              only-if-required = true;
+            }
+            { name = "ipxe-yggdrasil";
+              test = "option[77].hex == 'iPXE-yggdrasil'";
+              next-server = tftpIp;
+              boot-file-name = "${nfsrootBaseUrl}/installer-x86_64-linux.menu.ipxe";
+              only-if-required = true;
+            }
+
+            { name = "uefi-http";
+              test = "option[client-system].hex == 0x0010";
+              option-data = [
+                { name = "vendor-class-identifier"; data = "HTTPClient"; }
+              ];
+              boot-file-name = "${nfsrootBaseUrl}/ipxe.efi";
+              only-if-required = true;
+            }
+
+            { name = "ipxe-uefi-64";
+              test = "option[77].hex == 'iPXE' and (substring(option[60].hex,0,20) == 'PXEClient:Arch:00007' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00008' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00009')";
+              boot-file-name = "${nfsrootBaseUrl}/ipxe.efi";
+              only-if-required = true;
+            }
+            { name = "ipxe-uefi-32";
+              test = "option[77].hex == 'iPXE' and (substring(option[60].hex,0,20) == 'PXEClient:Arch:00002' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00006')";
+              boot-file-name = "${nfsrootBaseUrl}/i386-ipxe.efi";
               only-if-required = true;
             }
-            { name = "ipxe";
-              test = "option[77].hex == 'iPXE'";
-              next-server = "10.141.0.1";
-              boot-file-name = "http://nfsroot.vidhar.yggdrasil/installer-x86_64-linux/netboot.ipxe";
+            { name = "ipxe-legacy";
+              test = "option[77].hex == 'iPXE' and substring(option[60].hex,0,20) == 'PXEClient:Arch:00000'";
+              boot-file-name = "${nfsrootBaseUrl}/ipxe.lkrn";
               only-if-required = true;
             }
+
             { name = "uefi-64";
               test = "substring(option[60].hex,0,20) == 'PXEClient:Arch:00007' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00008' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00009'";
-              only-if-required = true;
               option-data = [
-                { name = "tftp-server-name"; data = "10.141.0.1"; }
+                { name = "tftp-server-name"; data = tftpIp; }
               ];
               boot-file-name = "ipxe.efi";
+              only-if-required = true;
             }
             { name = "uefi-32";
               test = "substring(option[60].hex,0,20) == 'PXEClient:Arch:00002' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00006'";
-              only-if-required = true;
               option-data = [
-                { name = "tftp-server-name"; data = "10.141.0.1"; }
+                { name = "tftp-server-name"; data = tftpIp; }
               ];
               boot-file-name = "i386-ipxe.efi";
+              only-if-required = true;
             }
             { name = "legacy";
               test = "substring(option[60].hex,0,20) == 'PXEClient:Arch:00000'";
-              only-if-required = true;
               option-data = [
-                { name = "tftp-server-name"; data = "10.141.0.1"; }
+                { name = "tftp-server-name"; data = tftpIp; }
               ];
-              boot-file-name = "undionly.kpxe";
+              boot-file-name = "ipxe.lkrn";
+              only-if-required = true;
             }
           ];
 
@@ -252,34 +303,78 @@ with lib;
           name = "nfsroot.vidhar.yggdrasil";
           paths =
             (map (system:
-               let
-                 installerBuild = (flake.nixosConfigurations.${"installer-${system}-nfsroot"}.extendModules {
-                   modules = [
-                     ({ ... }: {
-                       config.nfsroot.storeDevice = "10.141.0.1:nix-store";
-                       config.nfsroot.registrationUrl = "http://nfsroot.vidhar.yggdrasil/installer-${system}/registration";
-                     })
-                   ];
-                 }).config.system.build;
-               in builtins.toPath (pkgs.runCommandLocal "install-${system}" {} ''
-                 mkdir -p $out/installer-${system}
-                 install -m 0444 -t $out/installer-${system} \
-                   ${installerBuild.initialRamdisk}/initrd \
-                   ${installerBuild.kernel}/bzImage \
-                   ${installerBuild.netbootIpxeScript}/netboot.ipxe \
-                   ${pkgs.closureInfo { rootPaths = installerBuild.storeContents; }}/registration
-               '')
-              ) ["x86_64-linux"]
+              pkgs.symlinkJoin {
+                name = "installer-${system}";
+                paths = [
+                  (builtins.addErrorContext "while evaluating installer-${system}-nfsroot" (let
+                    installerBuild' = (flake.nixosConfigurations.${"installer-${system}-nfsroot"}.extendModules {
+                      modules = [
+                        ({ ... }: {
+                          config.nfsroot.storeDevice = "${nfsIp}:nix-store";
+                          config.nfsroot.registrationUrl = "${nfsrootBaseUrl}/installer-${system}/registration";
+                          config.system.nixos.label = "installer-${system}";
+                        })
+                      ];
+                    });
+                    installerBuild = installerBuild'.config.system.build;
+                  in builtins.toPath (pkgs.runCommandLocal "installer-${system}" {} ''
+                    mkdir -p $out/installer-${system}
+                    install -m 0444 -t $out/installer-${system} \
+                      ${installerBuild.initialRamdisk}/initrd \
+                      ${installerBuild.kernel}/bzImage \
+                      ${installerBuild.netbootIpxeScript}/netboot.ipxe \
+                      ${pkgs.closureInfo { rootPaths = installerBuild.storeContents; }}/registration
+                    install -m 0444 ${pkgs.writeText "installer-${system}.menu.ipxe" ''
+                      #!ipxe
+
+                      :start
+                      menu iPXE boot menu for installer-${system}
+                      item installer ${with installerBuild'; "${config.system.nixos.distroName} ${config.system.nixos.codeName} ${config.system.nixos.label} (Linux ${config.boot.kernelPackages.kernel.modDirVersion})"}
+                      item memtest memtest86plus
+                      item netboot netboot.xyz
+                      item shell iPXE shell
+                      choose --timeout 0 --default installer selected || goto shell
+                      goto ''${selected}
+
+                      :shell
+                      shell
+                      goto start
+
+                      :installer
+                      chain installer-${system}/netboot.ipxe
+                      goto start
+
+                      :netboot
+                      iseq ''${platform} efi && chain --autofree netboot.xyz.efi || chain --autofree netboot.xyz.lkrn
+                      goto start
+
+                      :memtest
+                      iseq ''${platform} efi && chain --autofree memtest.efi || chain --autofree memtest.bin
+                      goto start
+                    ''} $out/installer-${system}.menu.ipxe
+                  '')))
+                ];
+              }) ["x86_64-linux"]
             ) ++ [
-              (let
-                 eostreBuild = (flake.nixosConfigurations.eostre.extendModules {
+              (pkgs.runCommandLocal "utils" {} ''
+                mkdir $out
+                install -m 0444 -t $out \
+                  ${ipxe}/{ipxe.efi,i386-ipxe.efi,ipxe.lkrn} \
+                  ${pkgs.memtest86plus}/{memtest.efi,memtest.bin}
+                install -m 0444 ${sources.netbootxyz-efi.src} $out/netboot.xyz.efi
+                install -m 0444 ${sources.netbootxyz-lkrn.src} $out/netboot.xyz.lkrn
+              '')
+              (builtins.addErrorContext "while evaluating eostre" (let
+                 eostreBuild' = (flake.nixosConfigurations.eostre.extendModules {
                    modules = [
                      ({ ... }: {
-                       config.nfsroot.storeDevice = "10.141.0.1:nix-store";
-                       config.nfsroot.registrationUrl = "http://nfsroot.vidhar.yggdrasil/eostre/registration";
+                       config.nfsroot.storeDevice = "${nfsIp}:nix-store";
+                       config.nfsroot.registrationUrl = "${nfsrootBaseUrl}/eostre/registration";
+                       config.system.nixos.label = "eostre";
                      })
                    ];
-                 }).config.system.build;
+                 });
+                 eostreBuild = eostreBuild'.config.system.build;
                in builtins.toPath (pkgs.runCommandLocal "eostre" {} ''
                     mkdir -p $out/eostre
                     install -m 0444 -t $out/eostre \
@@ -287,7 +382,39 @@ with lib;
                       ${eostreBuild.kernel}/bzImage \
                       ${eostreBuild.netbootIpxeScript}/netboot.ipxe \
                       ${pkgs.closureInfo { rootPaths = eostreBuild.storeContents; }}/registration
-                  ''))
+                    install -m 0444 ${pkgs.writeText "eostre.menu.ipxe" ''
+                      #!ipxe
+
+                      set menu-timeout 5000
+
+                      :start
+                      menu iPXE boot menu for eostre
+                      item eostre ${with eostreBuild'; "${config.system.nixos.distroName} ${config.system.nixos.codeName} ${config.system.nixos.label} (Linux ${config.boot.kernelPackages.kernel.modDirVersion})"}
+                      item memtest memtest86plus
+                      item netboot netboot.xyz
+                      item shell iPXE shell
+                      choose --timeout ''${menu-timeout} --default eostre selected || goto shell
+                      set menu-timeout 0
+                      goto ''${selected}
+
+                      :shell
+                      set menu-timeout 0
+                      shell
+                      goto start
+
+                      :eostre
+                      chain eostre/netboot.ipxe
+                      goto start
+
+                      :netboot
+                      iseq ''${platform} efi && chain --autofree netboot.xyz.efi || chain --autofree netboot.xyz.lkrn
+                      goto start
+
+                      :memtest
+                      iseq ''${platform} efi && chain --autofree memtest.efi || chain --autofree memtest.bin
+                      goto start
+                    ''} $out/eostre.menu.ipxe
+                  '')))
             ];
         };
       };
@@ -298,20 +425,12 @@ with lib;
       after = [ "network.target" ];
       wantedBy = [ "multi-user.target" ];
       serviceConfig.ExecStart = let
-        ipxe = pkgs.ipxe.override {
-          additionalTargets = {
-            "bin-i386-efi/ipxe.efi" = "i386-ipxe.efi";
-          };
-          additionalOptions = [
-            "NSLOOKUP_CMD"
-          ];
-        };
         tftpRoot = pkgs.runCommandLocal "netboot" {} ''
           mkdir -p $out
           install -m 0444 -t $out \
-            ${ipxe}/ipxe.efi ${ipxe}/i386-ipxe.efi ${ipxe}/undionly.kpxe
+            ${ipxe}/{ipxe.efi,i386-ipxe.efi,ipxe.lkrn}
         '';
-      in "${pkgs.atftp}/sbin/atftpd --daemon --no-fork --bind-address=10.141.0.1 ${tftpRoot}";
+      in "${pkgs.atftp}/sbin/atftpd --daemon --no-fork --bind-address=${tftpIp} ${tftpRoot}";
     };
   };
 }
diff --git a/hosts/vidhar/network/pap-secrets b/hosts/vidhar/network/pap-secrets
deleted file mode 100644
index 3516de6c..00000000
--- a/hosts/vidhar/network/pap-secrets
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-        "data": "ENC[AES256_GCM,data:BOyWdys7Oja54Ijv5j+kqufdokQe0onnqw/gVxpNOMf+YI/LlzJscaEtGqPh3ehVtYoSWGumCBPrjdq/zhYq4VV/PCtdeu3MnX1CH2B5bH0mFs0eXcqeGK6NErz/b5nEglv4Z19ig2CUDlbvi8h1zZAEjxTNKhT16ItCtJnBCsIoiMl2QcTTWMyh4a02v3wA1UrOQZvFuCgCHmRoBE6vpREyB23gQdrdKLk7D1LLw5C1aZnzQOhFsgs7bVjOcBnmwTao8ntXxw==,iv:X5FgYkl3DGA/lkRsoc+5XrK3Nlp/ldnFigpXpYNfSJE=,tag:qUH7m9NzuVNnOfr3rRgaOg==,type:str]",
-        "sops": {
-                "kms": null,
-                "gcp_kms": null,
-                "azure_kv": null,
-                "hc_vault": null,
-                "age": [
-                        {
-                                "recipient": "age1qffdqvy9arld9zd5a5cylt0n98xhcns5shxhrhwjq5g4qa844ejselaa4l",
-                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAwYTFaTDZRbDd6cFBRSTNN\nVk1kcFJXRG9TT21IMDZsVmtoZjBTNDNjeDFzCkhxNEI2Ujd6SW1STG43eE5EdzZa\nS3phenJZN0RxajBXQ1BnbUhTa3htdFEKLS0tIGVlT3lReHJSQ2UvQ1FST0M0RzVP\nNmxWNzJmNlFPclJTeDUycDJiUzA4Yk0K4JHtkEPY49TGnKPZzEoEZ131RxeQEWkR\nK1ftH2ilr2tUhiErhpqxoTqfAm33xvruqTsePxh1uC7svzKtKBlS2g==\n-----END AGE ENCRYPTED FILE-----\n"
-                        }
-                ],
-                "lastmodified": "2021-11-15T08:30:09Z",
-                "mac": "ENC[AES256_GCM,data:TAgZ4ktdN9sZPMo1UtwjKdTM2QBjLorcm84HYXTGYNNEorPoqrXAWOvyWRLjx+zxzpRuDLBPQHCkjwkVO2CctxnTaWPMwITbYtQqj/5ZxACuAeX8MaSximB8s5MJK2faCuVXEnFehbnnPr5Fs8ZsgHwu2iH6DU8ScLEkgckzGV0=,iv:keUbKwWfoIIBsp5Rsm2lEba1ZHAozQY2YpA6p5qDBiU=,tag:1llGytMGvOjSVYKJXGUmXg==,type:str]",
-                "pgp": [
-                        {
-                                "created_at": "2023-01-30T10:58:50Z",
-                                "enc": "-----BEGIN PGP MESSAGE-----\n\nhF4DXxoViZlp6dISAQdA+cwEt6Gv5oKvym4ceJek+J/5guNpmsLLXWIY5CCCSXUw\npXyQpqxm7LQnasIqYNNsNCVbB1mAu6WU6MKn0BG03YWjr8buLB+7PpwZcxeZzRfD\n0l4BAsl+vKwa2YSMCR+EWYSfeEzEVHqoGBJ60dYXuiFiNZInCik+g69PdhsGygNH\nRtIcRiCB8t94GkvdWySTq5ohi1wKOe224l9evbt4zXntVngCHxixuufLrr3Cj+EE\n=3lw4\n-----END PGP MESSAGE-----\n",
-                                "fp": "30D3453B8CD02FE2A3E7C78C0FB536FB87AE8F51"
-                        }
-                ],
-                "unencrypted_suffix": "_unencrypted",
-                "version": "3.7.1"
-        }
-}
\ No newline at end of file
diff --git a/hosts/vidhar/network/gpon.nix b/hosts/vidhar/network/pppoe.nix
index 1628159c..5cc84862 100644
--- a/hosts/vidhar/network/gpon.nix
+++ b/hosts/vidhar/network/pppoe.nix
@@ -8,7 +8,7 @@ in {
   options = {
     networking.pppInterface = mkOption {
       type = types.str;
-      default = "gpon";
+      default = "ppp";
     };
   };
 
@@ -26,14 +26,14 @@ in {
         nodefaultroute
         ifname ${pppInterface}
         lcp-echo-adaptive
-        lcp-echo-failure 5
+        lcp-echo-failure 10
         lcp-echo-interval 1
         maxfail 0
         mtu 1492
         mru 1492
         plugin pppoe.so
-        name telekom
-        user 002576900250551137425220#0001@t-online.de
+        user congstar
+        password congstar
         nic-telekom
         debug
         +ipv6
@@ -43,62 +43,55 @@ in {
       stopIfChanged = true;
 
       serviceConfig = {
+        Type = lib.mkForce "notify";
+        ExecStart = lib.mkForce "${getBin config.services.pppd.package}/sbin/pppd call telekom up_sdnotify nolog";
         PIDFile = "/run/pppd/${pppInterface}.pid";
       };
       restartTriggers = with config; [
         environment.etc."ppp/ip-pre-up".source
         environment.etc."ppp/ip-up".source
         environment.etc."ppp/ip-down".source
-        # sops.secrets."pap-secrets".sopsFile
       ];
     };
-    sops.secrets."pap-secrets" = {
-      format = "binary";
-      sopsFile = ./pap-secrets;
-      path = "/etc/ppp/pap-secrets";
-    };
 
     environment.etc = {
-      "ppp/ip-pre-up".source = let
-        app = pkgs.writeShellApplication {
-          name = "ip-pre-up";
-          runtimeInputs = with pkgs; [ iproute2 ethtool ];
-          text = ''
-            ethtool -K telekom tso off gso off gro off
+      "ppp/ip-pre-up".source = pkgs.resholve.writeScript "ip-pre-up" {
+        interpreter = pkgs.runtimeShell;
+        inputs = [ pkgs.iproute2 pkgs.ethtool ];
+        execer = [
+          "cannot:${lib.getExe' pkgs.iproute2 "ip"}"
+          "cannot:${lib.getExe' pkgs.iproute2 "tc"}"
+        ];
+      } ''
+        ethtool -K telekom tso off gso off gro off
 
-            ip link del "ifb4${pppInterface}" || true
-            ip link add name "ifb4${pppInterface}" type ifb
-            ip link set "ifb4${pppInterface}" up
+        ip link del "ifb4${pppInterface}" || true
+        ip link add name "ifb4${pppInterface}" type ifb
+        ip link set "ifb4${pppInterface}" up
 
-            tc qdisc del dev "ifb4${pppInterface}" root || true
-            tc qdisc del dev "${pppInterface}" ingress || true
-            tc qdisc del dev "${pppInterface}" root || true
+        tc qdisc del dev "ifb4${pppInterface}" root || true
+        tc qdisc del dev "${pppInterface}" ingress || true
+        tc qdisc del dev "${pppInterface}" root || true
 
-            tc qdisc add dev "${pppInterface}" handle ffff: ingress
-            tc filter add dev "${pppInterface}" parent ffff: basic action ctinfo dscp 0x0000003f 0x00000040 action mirred egress redirect dev "ifb4${pppInterface}"
-            tc qdisc replace dev "ifb4${pppInterface}" root cake memlimit 128Mb overhead 35 mpu 74 regional diffserv4 bandwidth 285mbit
-            tc qdisc replace dev "${pppInterface}" root cake memlimit 128Mb overhead 35 mpu 74 regional nat diffserv4 wash bandwidth 143mbit
-          '';
-        };
-      in "${app}/bin/${app.meta.mainProgram}";
-      "ppp/ip-up".source = let
-        app = pkgs.writeShellApplication {
-          name = "ip-up";
-          runtimeInputs = with pkgs; [ iproute2 ];
-          text = ''
-            ip route add default via "$5" dev "${pppInterface}" metric 512
-          '';
-        };
-      in "${app}/bin/${app.meta.mainProgram}";
-      "ppp/ip-down".source = let
-        app = pkgs.writeShellApplication {
-          name = "ip-down";
-          runtimeInputs = with pkgs; [ iproute2 ];
-          text = ''
-            ip link del "ifb4${pppInterface}"
-          '';
-        };
-      in "${app}/bin/${app.meta.mainProgram}";
+        tc qdisc add dev "${pppInterface}" handle ffff: ingress
+        tc filter add dev "${pppInterface}" parent ffff: basic action ctinfo dscp 0x0000003f 0x00000040 action mirred egress redirect dev "ifb4${pppInterface}"
+        tc qdisc replace dev "ifb4${pppInterface}" root cake memlimit 128Mb overhead 35 mpu 74 regional diffserv4 bandwidth ${toString (builtins.floor (177968 * 0.95))}kbit
+        tc qdisc replace dev "${pppInterface}" root cake memlimit 128Mb overhead 35 mpu 74 regional nat diffserv4 wash bandwidth ${toString (builtins.floor (41216 * 0.95))}kbit
+      '';
+      "ppp/ip-up".source = pkgs.resholve.writeScript "ip-up" {
+        interpreter = pkgs.runtimeShell;
+        inputs = [ pkgs.iproute2 ];
+        execer = [ "cannot:${lib.getExe' pkgs.iproute2 "ip"}" ];
+      } ''
+        ip route add default via "$5" dev "${pppInterface}" metric 512
+      '';
+      "ppp/ip-down".source = pkgs.resholve.writeScript "ip-down" {
+        interpreter = pkgs.runtimeShell;
+        inputs = [ pkgs.iproute2 ];
+        execer = [ "cannot:${lib.getExe' pkgs.iproute2 "ip"}" ];
+      } ''
+        ip link del "ifb4${pppInterface}"
+      '';
     };
 
     systemd.network.networks.${pppInterface} = {
diff --git a/hosts/vidhar/network/ruleset.nft b/hosts/vidhar/network/ruleset.nft
index 1edae167..dd750394 100644
--- a/hosts/vidhar/network/ruleset.nft
+++ b/hosts/vidhar/network/ruleset.nft
@@ -5,15 +5,15 @@ table arp filter {
   limit lim_arp_local {
     rate over 50 mbytes/second burst 50 mbytes
   }
-  limit lim_arp_gpon {
+  limit lim_arp_ppp {
     rate over 7500 kbytes/second burst 7500 kbytes
   }
 
   counter arp-rx {}
   counter arp-tx {}
 
-  counter arp-ratelimit-gpon-rx {}
-  counter arp-ratelimit-gpon-tx {}
+  counter arp-ratelimit-ppp-rx {}
+  counter arp-ratelimit-ppp-tx {}
 
   counter arp-ratelimit-local-rx {}
   counter arp-ratelimit-local-tx {}
@@ -22,8 +22,8 @@ table arp filter {
     type filter hook input priority filter
     policy accept
 
-    iifname != gpon limit name lim_arp_local counter name arp-ratelimit-local-rx drop
-    iifname gpon limit name lim_arp_gpon counter name arp-ratelimit-gpon-rx drop
+    iifname != @pppInterface@ limit name lim_arp_local counter name arp-ratelimit-local-rx drop
+    iifname @pppInterface@ limit name lim_arp_ppp counter name arp-ratelimit-ppp-rx drop
 
     counter name arp-rx
   }
@@ -32,8 +32,8 @@ table arp filter {
     type filter hook output priority filter
     policy accept
 
-    oifname != gpon limit name lim_arp_local counter name arp-ratelimit-local-tx drop
-    oifname gpon limit name lim_arp_gpon counter name arp-ratelimit-gpon-tx drop
+    oifname != @pppInterface@ limit name lim_arp_local counter name arp-ratelimit-local-tx drop
+    oifname @pppInterface@ limit name lim_arp_ppp counter name arp-ratelimit-ppp-tx drop
 
     counter name arp-tx
   }
@@ -47,11 +47,11 @@ table inet filter {
   limit lim_icmp_local {
     rate over 50 mbytes/second burst 50 mbytes
   }
-  limit lim_icmp_gpon {
+  limit lim_icmp_ppp {
     rate over 7500 kbytes/second burst 7500 kbytes
   }
 
-  counter icmp-ratelimit-gpon-fw {}
+  counter icmp-ratelimit-ppp-fw {}
   counter icmp-ratelimit-local-fw {}
 
   counter icmp-fw {}
@@ -59,7 +59,8 @@ table inet filter {
   counter invalid-fw {}
   counter fw-lo {}
   counter fw-lan {}
-  counter fw-gpon {}
+  counter fw-ppp {}
+  counter fw-kimai {}
 
   counter fw-cups {}
 
@@ -74,7 +75,7 @@ table inet filter {
   counter invalid-local4-rx {}
   counter invalid-local6-rx {}
 
-  counter icmp-ratelimit-gpon-rx {}
+  counter icmp-ratelimit-ppp-rx {}
   counter icmp-ratelimit-local-rx {}
   counter icmp-rx {}
 
@@ -94,6 +95,8 @@ table inet filter {
   counter immich-rx {}
   counter paperless-rx {}
   counter hledger-rx {}
+  counter audiobookshelf-rx {}
+  counter kimai-rx {}
 
   counter established-rx {}
 
@@ -105,7 +108,7 @@ table inet filter {
 
   counter tx-lo {}
 
-  counter icmp-ratelimit-gpon-tx {}
+  counter icmp-ratelimit-ppp-tx {}
   counter icmp-ratelimit-local-tx {}
   counter icmp-tx {}
 
@@ -125,15 +128,17 @@ table inet filter {
   counter immich-tx {}
   counter paperless-tx {}
   counter hledger-tx {}
+  counter audiobookshelf-tx {}
+  counter kimai-tx {}
 
   counter tx {}
 
 
   chain forward_icmp_accept {
-    oifname { gpon, bifrost } limit name lim_icmp_gpon counter name icmp-ratelimit-gpon-fw drop
-    iifname { gpon, bifrost } limit name lim_icmp_gpon counter name icmp-ratelimit-gpon-fw drop
-    oifname != { gpon, bifrost } limit name lim_icmp_local counter name icmp-ratelimit-local-fw drop
-    iifname != { gpon, bifrost } limit name lim_icmp_local counter name icmp-ratelimit-local-fw drop
+    oifname { @pppInterface@, bifrost } limit name lim_icmp_ppp counter name icmp-ratelimit-ppp-fw drop
+    iifname { @pppInterface@, bifrost } limit name lim_icmp_ppp counter name icmp-ratelimit-ppp-fw drop
+    oifname != { @pppInterface@, bifrost } limit name lim_icmp_local counter name icmp-ratelimit-local-fw drop
+    iifname != { @pppInterface@, bifrost } limit name lim_icmp_local counter name icmp-ratelimit-local-fw drop
     counter name icmp-fw accept
   }
   chain forward {
@@ -146,10 +151,15 @@ table inet filter {
 
     iifname lo counter name fw-lo accept
 
-    oifname { lan, gpon, bifrost } meta l4proto $icmp_protos jump forward_icmp_accept
-    iifname lan oifname { gpon, bifrost } counter name fw-lan accept
+    oifname { lan, @pppInterface@, bifrost } meta l4proto $icmp_protos jump forward_icmp_accept
+    iifname lan oifname { @pppInterface@, bifrost } counter name fw-lan accept
+    iifname ve-kimai oifname @pppInterface@ counter name fw-kimai accept
 
-    iifname gpon oifname lan ct state { established, related } counter name fw-gpon accept
+    iifname @pppInterface@ oifname lan ct state { established, related } counter name fw-ppp accept
+    iifname @pppInterface@ oifname ve-kimai ct state { established, related } counter name fw-kimai accept
+
+    iifname bifrost oifname ve-kimai tcp dport 80 ip6 saddr $bifrost_surtr ip6 daddr 2a03:4000:52:ada:6::2 counter name kimai-rx accept
+    iifname ve-kimai oifname bifrost tcp sport 80 ip6 saddr 2a03:4000:52:ada:6::2 ip6 daddr $bifrost_surtr counter name kimai-tx accept
 
 
     limit name lim_reject log level debug prefix "drop forward: " counter name reject-ratelimit-fw drop
@@ -170,22 +180,22 @@ table inet filter {
     iif != lo ip daddr 127.0.0.1/8 counter name invalid-local4-rx reject
     iif != lo ip6 daddr ::1/128 counter name invalid-local6-rx reject
 
-    iifname { bifrost, gpon } meta l4proto $icmp_protos limit name lim_icmp_gpon counter name icmp-ratelimit-gpon-rx drop
-    iifname != { bifrost, gpon } meta l4proto $icmp_protos limit name lim_icmp_local counter name icmp-ratelimit-local-rx drop
+    iifname { bifrost, @pppInterface@ } meta l4proto $icmp_protos limit name lim_icmp_ppp counter name icmp-ratelimit-ppp-rx drop
+    iifname != { bifrost, @pppInterface@ } meta l4proto $icmp_protos limit name lim_icmp_local counter name icmp-ratelimit-local-rx drop
     meta l4proto $icmp_protos counter name icmp-rx accept
 
-    iifname { lan, mgmt, gpon, yggdrasil, bifrost } tcp dport 22 counter name ssh-rx accept
-    iifname { lan, mgmt, gpon, yggdrasil, bifrost } udp dport 60000-61000 counter name mosh-rx accept
+    iifname { lan, mgmt, @pppInterface@, yggdrasil, bifrost } tcp dport 22 counter name ssh-rx accept
+    iifname { lan, mgmt, @pppInterface@, yggdrasil, bifrost } udp dport 60000-61000 counter name mosh-rx accept
 
     iifname { lan, mgmt, wifibh, yggdrasil } meta l4proto { tcp, udp } th dport 53 counter name dns-rx accept
 
     iifname { lan, yggdrasil } tcp dport 2049 counter name nfs-rx accept
 
-    iifname { lan, mgmt, gpon } meta protocol ip udp dport 51820 counter name wg-rx accept
-    iifname { lan, mgmt, gpon } meta protocol ip6 udp dport 51821 counter name wg-rx accept
+    iifname { lan, mgmt, @pppInterface@ } meta protocol ip udp dport 51820 counter name wg-rx accept
+    iifname { lan, mgmt, @pppInterface@ } meta protocol ip6 udp dport 51821 counter name wg-rx accept
     iifname "yggdrasil-wg-*" meta l4proto gre counter name yggdrasil-gre-rx accept
 
-    iifname gpon meta protocol ip6 udp dport 546 udp sport 547 counter name ipv6-pd-rx accept
+    iifname @pppInterface@ meta protocol ip6 udp dport 546 udp sport 547 counter name ipv6-pd-rx accept
 
     iifname mgmt udp dport 123 counter name ntp-rx accept
 
@@ -203,6 +213,7 @@ table inet filter {
     iifname bifrost tcp dport 2283 ip6 saddr $bifrost_surtr counter name immich-rx accept
     iifname bifrost tcp dport 28981 ip6 saddr $bifrost_surtr counter name paperless-rx accept
     iifname bifrost tcp dport 5000 ip6 saddr $bifrost_surtr counter name hledger-rx accept
+    iifname bifrost tcp dport 28982 ip6 saddr $bifrost_surtr counter name audiobookshelf-rx accept
 
     ct state { established, related } counter name established-rx accept
 
@@ -220,8 +231,8 @@ table inet filter {
 
     oifname lo counter name tx-lo accept
 
-    oifname { bifrost, gpon } meta l4proto $icmp_protos limit name lim_icmp_gpon counter name icmp-ratelimit-gpon-tx drop
-    oifname != { bifrost, gpon } meta l4proto $icmp_protos limit name lim_icmp_local counter name icmp-ratelimit-local-tx drop
+    oifname { bifrost, @pppInterface@ } meta l4proto $icmp_protos limit name lim_icmp_ppp counter name icmp-ratelimit-ppp-tx drop
+    oifname != { bifrost, @pppInterface@ } meta l4proto $icmp_protos limit name lim_icmp_local counter name icmp-ratelimit-local-tx drop
     meta l4proto $icmp_protos counter name icmp-tx accept
 
 
@@ -254,6 +265,7 @@ table inet filter {
     iifname bifrost tcp sport 2283 ip6 daddr $bifrost_surtr counter name immich-tx accept
     iifname bifrost tcp sport 28981 ip6 daddr $bifrost_surtr counter name paperless-tx accept
     iifname bifrost tcp sport 5000 ip6 daddr $bifrost_surtr counter name hledger-tx accept
+    iifname bifrost tcp sport 28982 ip6 daddr $bifrost_surtr counter name audiobookshelf-tx accept
 
 
     counter name tx
@@ -261,28 +273,28 @@ table inet filter {
 }
 
 table inet nat {
-  counter gpon-nat {}
-  # counter container-nat {}
+  counter ppp-nat {}
+  counter kimai-nat {}
 
   chain postrouting {
     type nat hook postrouting priority srcnat
     policy accept
 
 
-    meta nfproto ipv4 oifname gpon counter name gpon-nat masquerade
-    # iifname ve-* oifname gpon counter name container-nat masquerade
+    meta nfproto ipv4 oifname @pppInterface@ counter name ppp-nat masquerade
+    iifname ve-kimai oifname @pppInterface@ counter name kimai-nat masquerade
   }
 }
 
 table inet mss_clamp {
-  counter gpon-mss-clamp {}
+  counter ppp-mss-clamp {}
 
   chain postrouting {
     type filter hook postrouting priority mangle
     policy accept
 
 
-    oifname gpon tcp flags & (syn|rst) == syn counter name gpon-mss-clamp tcp option maxseg size set rt mtu
+    oifname @pppInterface@ tcp flags & (syn|rst) == syn counter name ppp-mss-clamp tcp option maxseg size set rt mtu
   }
 }
 
@@ -417,7 +429,7 @@ table inet dscpclassify {
     chain postrouting {
         type filter hook postrouting priority filter + 1; policy accept
 
-        oifname != gpon return
+        oifname != @pppInterface@ return
 
         ip dscp cs0 goto ct_set_cs0
         ip dscp lephb goto ct_set_lephb