From cdafff2095421d4c3b6c04de08eb7efc58864570 Mon Sep 17 00:00:00 2001
From: Raito Bezarius <masterancpp@gmail.com>
Date: Sat, 17 Feb 2024 04:34:30 +0100
Subject: [PATCH] examples/nwa50ax-ap: init

This is a quite comprehensive example using maximally the hardware
available to reach nice performance.

In the future, I will even add RADIUS examples.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
---
 examples/nwa50ax-ap.nix | 107 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 examples/nwa50ax-ap.nix

diff --git a/examples/nwa50ax-ap.nix b/examples/nwa50ax-ap.nix
new file mode 100644
index 0000000..e33abad
--- /dev/null
+++ b/examples/nwa50ax-ap.nix
@@ -0,0 +1,107 @@
+{ config, pkgs, ... } :
+let
+  inherit (pkgs.liminix.services) oneshot longrun bundle target;
+  inherit (pkgs) writeText;
+  svc = config.system.service;
+  secrets-1 = {
+    ssid = "Zyxel 2G (N)";
+    wpa_passphrase = "diamond dogs";
+  };
+  secrets-2 = {
+    ssid = "Zyxel 5G (AX)";
+    wpa_passphrase = "diamond dogs";
+  };
+  baseParams = {
+    country_code = "FR";
+    hw_mode = "g";
+    channel = 6;
+    wmm_enabled = 1;
+    ieee80211n = 1;
+    ht_capab = "[LDPC][GF][HT40-][HT40+][SHORT-GI-40][MAX-AMSDU-7935][TX-STBC]";
+    auth_algs = 1;
+    wpa = 2;
+    wpa_key_mgmt = "WPA-PSK";
+    wpa_pairwise = "TKIP CCMP";
+    rsn_pairwise = "CCMP";
+  };
+
+  modernParams = {
+    hw_mode = "a";
+    he_su_beamformer = 1;
+    he_su_beamformee = 1;
+    he_mu_beamformer = 1;
+    preamble = 1;
+    # Allow radar detection.
+    ieee80211d = 1;
+    ieee80211h = 1;
+    ieee80211ac = 1;
+    ieee80211ax = 1;
+    vht_capab = "[MAX-MPDU-7991][SU-BEAMFORMEE][SU-BEAMFORMER][RXLDPC][SHORT-GI-80][MAX-A-MPDU-LEN-EXP3][RX-ANTENNA-PATTERN][TX-ANTENNA-PATTERN][TX-STBC-2BY1][RX-STBC-1][MU-BEAMFORMER]";
+    vht_oper_chwidth = 1;
+    he_oper_chwidth = 1;
+    channel = 36;
+    vht_oper_centr_freq_seg0_idx = 42;
+    he_oper_centr_freq_seg0_idx = 42;
+    require_vht = 1;
+  };
+  mkWifiSta = params: interface: secrets: svc.hostapd.build {
+    inherit interface;
+      params = params // {
+        inherit (secrets) ssid wpa_passphrase;
+      };
+  };
+in rec {
+  imports = [
+    ../modules/wlan.nix
+    ../modules/network
+    ../modules/hostapd
+    ../modules/ssh
+    ../modules/ntp
+    ../modules/vlan
+  ];
+
+  hostname = "zyxel";
+
+  users.root = {
+    # EDIT: choose a root password and then use
+    # "mkpasswd -m sha512crypt" to determine the hash.
+    # It should start wirh $6$.
+    passwd = "$y$j9T$f8GhLiqYmr3lc58eKhgyD0$z7P/7S9u.kq/cANZExxhS98bze/6i7aBxU6tbl7RMi.";
+    openssh.authorizedKeys.keys = [
+      # EDIT: you can add your ssh pubkey here
+      # "ssh-rsa AAAAB3NzaC1....H6hKd user@example.com";
+    ];
+  };
+
+
+  services.dhcpv4 =
+    let iface = config.hardware.networkInterfaces.lan;
+    in svc.network.dhcp.client.build { interface = iface; };
+
+  services.defaultroute4 = svc.network.route.build {
+    via = "$(output ${services.dhcpv4} address)";
+    target = "default";
+    dependencies = [ services.dhcpv4 ];
+  };
+
+  services.packet_forwarding = svc.network.forward.build { };
+  services.sshd = svc.ssh.build {
+    allowRoot = true;
+  };
+
+  services.ntp = config.system.service.ntp.build {
+    pools = { "pool.ntp.org" = ["iburst"] ; };
+  };
+
+  boot.tftp = {
+    serverip = "192.0.2.10";
+    ipaddr = "192.0.2.12";
+  };
+
+  # wlan0 is the 2.4GHz interface.
+  services.hostap-1 = mkWifiSta baseParams config.hardware.networkInterfaces.wlan0 secrets-1;
+  # wlan1 is the 5GHz interface, e.g. AX capable.
+  services.hostap-2 = mkWifiSta (baseParams // modernParams) config.hardware.networkInterfaces.wlan1 secrets-2;
+
+  defaultProfile.packages = with pkgs; [ zyxel-bootconfig iw ];
+}