From c014ef4360ebc9fe23d5abf253141f44a94160ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Tue, 20 Feb 2024 21:34:43 +0100
Subject: nixos: merge router to normal modules

---
 nixos/modules/wifi-spt.nix | 171 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 nixos/modules/wifi-spt.nix

(limited to 'nixos/modules/wifi-spt.nix')

diff --git a/nixos/modules/wifi-spt.nix b/nixos/modules/wifi-spt.nix
new file mode 100644
index 0000000..769449d
--- /dev/null
+++ b/nixos/modules/wifi-spt.nix
@@ -0,0 +1,171 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkOption mkEnableOption types mkIf mkMerge hostapd elemAt;
+  cnf = config.cynerd.wifiAP.spt;
+
+  wOptions = card: channelDefault: {
+    interface = mkOption {
+      type = with types; nullOr str;
+      default = null;
+      description = "Specify interface for ${card}";
+    };
+    bssids = mkOption {
+      type = with types; listOf str;
+      default = [];
+      description = "BSSIDs for networks.";
+    };
+    channel = mkOption {
+      type = types.ints.positive;
+      default = channelDefault;
+      description = "Channel to be used for ${card}";
+    };
+  };
+in {
+  options = {
+    cynerd.wifiAP.spt = {
+      enable = mkEnableOption "Enable Wi-Fi Access Point support";
+      ar9287 = wOptions "Qualcom Atheros AR9287" 7;
+      qca988x = wOptions "Qualcom Atheros QCA988x" 36;
+    };
+  };
+
+  config = mkIf cnf.enable {
+    # TODO regdom doesn't work for some reason
+    boot.extraModprobeConfig = ''
+      options cfg80211 ieee80211_regdom="CZ"
+    '';
+    services.hostapd = {
+      enable = true;
+      radios = mkMerge [
+        (mkIf (cnf.ar9287.interface != null) {
+          "${cnf.ar9287.interface}" = {
+            inherit (cnf.ar9287) channel;
+            countryCode = "CZ";
+            wifi4 = {
+              enable = true;
+              inherit (hostapd.qualcomAtherosAR9287.wifi4) capabilities;
+            };
+            networks = {
+              "${cnf.ar9287.interface}" = {
+                bssid = elemAt cnf.ar9287.bssids 0;
+                ssid = "TurrisRules";
+                authentication = {
+                  mode = "wpa2-sha256";
+                  wpaPasswordFile = "/run/secrets/hostapd-TurrisRules.pass";
+                };
+              };
+              #"${cnf.ar9287.interface}.guest" = {
+              #  bssid = elemAt cnf.ar9287.bssids 1;
+              #  ssid = "Kocovi";
+              #  authentication = {
+              #    mode = "wpa2-sha256";
+              #    wpaPasswordFile = "/run/secrets/hostapd-Kocovi.pass";
+              #  };
+              #};
+            };
+          };
+        })
+        (mkIf (cnf.qca988x.interface != null) {
+          "${cnf.qca988x.interface}" = let
+            is2g = cnf.qca988x.channel <= 14;
+          in {
+            inherit (cnf.qca988x) channel;
+            countryCode = "CZ";
+            band =
+              if is2g
+              then "2g"
+              else "5g";
+            wifi4 = {
+              enable = true;
+              inherit (hostapd.qualcomAtherosQCA988x.wifi4) capabilities;
+            };
+            wifi5 = {
+              enable = !is2g;
+              inherit (hostapd.qualcomAtherosQCA988x.wifi5) capabilities;
+            };
+            networks = {
+              "${cnf.qca988x.interface}" = {
+                bssid = elemAt cnf.qca988x.bssids 0;
+                ssid = "TurrisRules${
+                  if is2g
+                  then ""
+                  else "5"
+                }";
+                authentication = {
+                  mode = "wpa2-sha256";
+                  wpaPasswordFile = "/run/secrets/hostapd-TurrisRules.pass";
+                };
+              };
+              #"${cnf.qca988x.interface}.guest" = {
+              #  bssid = elemAt cnf.qca988x.bssids 1;
+              #  ssid = "Kocovi";
+              #  authentication = {
+              #    mode = "wpa2-sha256";
+              #    wpaPasswordFile = "/run/secrets/hostapd-Kocovi.pass";
+              #  };
+              #};
+            };
+          };
+        })
+      ];
+    };
+    systemd.network.networks = mkMerge [
+      (mkIf (cnf.ar9287.interface != null) {
+        "lan-${cnf.ar9287.interface}" = {
+          matchConfig.Name = cnf.ar9287.interface;
+          networkConfig.Bridge = "brlan";
+          bridgeVLANs = [
+            {
+              bridgeVLANConfig = {
+                EgressUntagged = 1;
+                PVID = 1;
+              };
+            }
+          ];
+        };
+        #"lan-${cnf.ar9287.interface}-guest" = {
+        #  matchConfig.Name = "${cnf.ar9287.interface}.guest";
+        #  networkConfig.Bridge = "brlan";
+        #  bridgeVLANs = [
+        #    {
+        #      bridgeVLANConfig = {
+        #        EgressUntagged = 2;
+        #        PVID = 2;
+        #      };
+        #    }
+        #  ];
+        #};
+      })
+      (mkIf (cnf.qca988x.interface != null) {
+        "lan-${cnf.qca988x.interface}" = {
+          matchConfig.Name = cnf.qca988x.interface;
+          networkConfig.Bridge = "brlan";
+          bridgeVLANs = [
+            {
+              bridgeVLANConfig = {
+                EgressUntagged = 1;
+                PVID = 1;
+              };
+            }
+          ];
+        };
+        #"lan-${cnf.qca988x.interface}-guest" = {
+        #  matchConfig.Name = "${cnf.qca988x.interface}.guest";
+        #  networkConfig.Bridge = "brlan";
+        #  bridgeVLANs = [
+        #    {
+        #      bridgeVLANConfig = {
+        #        EgressUntagged = 2;
+        #        PVID = 2;
+        #      };
+        #    }
+        #  ];
+        #};
+      })
+    ];
+  };
+}
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