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lastFile:routers/default.nix

routers/default.nix

@@ -17,5 +17,9 @@
       liminix-config = import ./routers/vanilla/configuration.nix { inherit inputs; };
       device = (import "${inputs.liminix}/devices/gl-mt300a/default.nix");
     };
+    fax-router = import "${inputs.liminix}default.nix" {
+      device = (import "${inputs.liminix}/devices/gl-ar750");
+      liminix-config = import ./fax-router/configuration.nix { inherit inputs; };
+    };
   };
 }

routers/fax-router/configuration.nix

@@ -0,0 +1,143 @@
+# This is an example that uses the "gateway" profile to create a
+# "typical home wireless router" configuration suitable for a Gl.inet
+# gl-ar750 router. It should be fairly simple to edit it for other
+# devices: mostly you will need to attend to the number of wlan and lan
+# interfaces
+{ inputs }:
+{
+  config,
+  pkgs,
+  lib,
+  modulesPath,
+  ...
+}:
+let
+  secrets = {
+    domainName = "fake.liminix.org";
+    firewallRules = { };
+  }
+  // (import ./rotuer-secrets.nix);
+  svc = config.system.service;
+  wirelessConfig = {
+    country_code = "GB";
+    inherit (secrets) wpa_passphrase;
+    wmm_enabled = 1;
+  };
+
+in
+rec {
+  boot = {
+    tftp = {
+      freeSpaceBytes = 3 * 1024 * 1024;
+      serverip = "10.0.0.1";
+      ipaddr = "10.0.0.8";
+    };
+  };
+
+  imports = [
+    "${modulesPath}/profiles/gateway.nix"
+  ];
+  hostname = "rotuer";
+
+  profile.gateway = {
+    lan = {
+      interfaces = with config.hardware.networkInterfaces; [
+        # EDIT: these are the interfaces exposed by the gl.inet gl-ar750:
+        # if your device has more or differently named lan interfaces,
+        # specify them here
+        wlan
+        wlan5
+        lan
+      ];
+      inherit (secrets.lan) prefix;
+      address = {
+        family = "inet";
+        address = "${secrets.lan.prefix}.1";
+        prefixLength = 24;
+      };
+      dhcp = {
+        start = 10;
+        end = 240;
+        hosts =
+          { } // lib.optionalAttrs (builtins.pathExists ./static-leases.nix) (import ./static-leases.nix);
+        localDomain = "lan";
+      };
+    };
+    wan = {
+      # wan interface depends on your upstream - could be dhcp, static
+      # ethernet, a pppoe, ppp over serial, a complicated bonded
+      # failover ... who knows what else?
+      interface = svc.pppoe.build {
+        interface = config.hardware.networkInterfaces.wan;
+        username = secrets.l2tp.name;
+        password = secrets.l2tp.password;
+        bandwidth = 70 * 1000 * 1000;
+      };
+      # once the wan has ipv4 connnectivity, should we run dhcp6
+      # client to potentially get an address range ("prefix
+      # delegation")
+      dhcp6.enable = true;
+    };
+    firewall = {
+      enable = true;
+      rules = secrets.firewallRules;
+    };
+    wireless.networks = {
+      # EDIT: if you have more or fewer wireless radios, here is where
+      # you need to say so.  hostapd tuning is hardware-specific and
+      # left as an exercise for the reader :-).
+
+      "${secrets.ssid}" = {
+        interface = config.hardware.networkInterfaces.wlan;
+        hw_mode = "g";
+        channel = "2";
+        ieee80211n = 1;
+      }
+      // wirelessConfig;
+      "${secrets.ssid}5" = rec {
+        interface = config.hardware.networkInterfaces.wlan5;
+        hw_mode = "a";
+        channel = 36;
+        ht_capab = "[HT40+]";
+        vht_oper_chwidth = 1;
+        vht_oper_centr_freq_seg0_idx = channel + 6;
+        ieee80211n = 1;
+        ieee80211ac = 1;
+      }
+      // wirelessConfig;
+    };
+  };
+
+  services.ntp = svc.ntp.build {
+    user = "root";
+    pools = {
+      "pool.ntp.org" = [ "iburst" ];
+    };
+    makestep = {
+      threshold = 1.0;
+      limit = 3;
+    };
+  };
+
+  services.sshd = svc.ssh.build { };
+
+  users.root = secrets.root;
+
+  defaultProfile.packages = with pkgs; [
+    min-collect-garbage
+    nftables
+    strace
+    tcpdump
+    s6
+  ];
+
+  programs.busybox = {
+    applets = [
+      "fdisk"
+      "sfdisk"
+    ];
+    options = {
+      FEATURE_FANCY_TAIL = "y";
+    };
+  };
+}