Rebase to flake parts #10

2026-05-15 00:24:13 -03:00
parent f02606902c
commit fba5a7a2aa
24 changed files with 565 additions and 83 deletions
@@ -0,0 +1,35 @@
+# Pi 5 / CM5 onboard Wi-Fi (brcmfmac). Without a regulatory domain the driver scans
+# disallowed channels and spams: brcmf_set_channel: set chanspec … fail, reason -52
+# (open raspberrypi/linux#6049). Wi-Fi often still works; logs and scans are noisy.
+{ pkgs, ... }:
+let
+  wifiCountry = "CA"; # change if you are not in Canada
+in
+{
+  boot.kernelParams = [
+    "cfg80211.ieee80211_regdom=${wifiCountry}"
+  ];
+
+  # Firmware country code (config.txt) — picked up before userspace regdom.
+  hardware.raspberry-pi.extra-config = ''
+    country=${wifiCountry}
+  '';
+
+  # Apply regdom before NetworkManager starts scanning.
+  systemd.services.wifi-regulatory-domain = {
+    description = "Set Wi-Fi regulatory domain for brcmfmac";
+    wantedBy = [ "multi-user.target" ];
+    before = [ "NetworkManager.service" ];
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+    };
+    script = ''
+      ${pkgs.iw}/bin/iw reg set ${wifiCountry}
+    '';
+  };
+
+  networking.networkmanager.wifi.powersave = false;
+  networking.networkmanager.wifi.scanRandMacAddress = false;
+  networking.networkmanager.connectionConfig."wifi.bgscan" = "0";
+}