Add Udev rules for the framwork realtek ethernet usb so when it's unplugged the wifi turns on and when it's plugged in the wifi turns off.
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3 changed files with 52 additions and 0 deletions
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@ -48,5 +48,6 @@
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system.motd.networkInterfaces = [ "wlp1s0" ];
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security._1password.enable = true;
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system.fingerprint-reader-on-laptop-lid.enable = true;
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framework_wifi_swap.enable = true;
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};
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}
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@ -12,6 +12,7 @@
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./security.nix
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./systempackages.nix
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./time.nix
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./wifi_swap
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./zfs.nix
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];
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}
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50
nixos/modules/nixos/system/wifi_swap/default.nix
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50
nixos/modules/nixos/system/wifi_swap/default.nix
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# turns off the wifi when the usb device 0bda:8156 is connected.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.mySystem.framework_wifi_swap;
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wifiSwap = pkgs.writeShellScriptBin "wifi_swap"
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''
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#! /usr/bin/env bash
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# This script turns off the wifi and on when the usb device 0bda:8156 is connected or removed.
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# It is useful when you want to use a wired connection instead of wifi.
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# The script is run by udev when the usb device is connected.
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# The script is located at /run/current-system/sw/bin/wifi_swap
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# The udev rule is located at <nix-store>-extra-udev-rules/etc/udev/rules.d/99-local.rules
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# The udev rule is:
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# ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="0bda", ATTR{idProduct}=="8156", RUN+="/run/current-system/sw/bin/wifi_swap"
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# ACTION=="remove", SUBSYSTEM=="net", ENV{ID_USB_VENDOR_ID}=="0bda", ENV{ID_USB_MODEL_ID}=="8156", RUN+="/run/current-system/sw/bin/wifi_swap"
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echo "wifi_swap ACTION: $ACTION" | systemd-cat -t wifi_swap
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# Case or switch for $ACTION
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case $ACTION in
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add)
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echo "Plugged in USB device 0bda:8156 (Realtek 2.5gbe). Turning Wi-Fi off." | systemd-cat -t wifi_swap
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${pkgs.networkmanager.outPath}/bin/nmcli radio wifi off
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;;
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remove)
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echo "unplugged in USB device 0bda:8156 (Realtek 2.5gbe) Turning Wi-Fi on." | systemd-cat -t wifi_swap
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${pkgs.networkmanager.outPath}/bin/nmcli radio wifi on
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;;
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*)
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echo "Uknown ACTION: $ACTION" | systemd-cat -t wifi_swap
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;;
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esac
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'';
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in
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{
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options.mySystem.framework_wifi_swap = {
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enable = mkEnableOption "framework_wifi_swap" // { default = false; };
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};
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config = mkIf cfg.enable {
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# Create bash script and add it to nix store
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environment.systemPackages = [
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wifiSwap
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];
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# Add udev rule to run script when usb device 0bda:8156 is connected or disconnected.
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services.udev.extraRules = ''
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ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="0bda", ATTR{idProduct}=="8156", RUN+="${wifiSwap.outPath}/bin/wifi_swap"
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ACTION=="remove", SUBSYSTEM=="net", ENV{ID_USB_VENDOR_ID}=="0bda", ENV{ID_USB_MODEL_ID}=="8156", RUN+="${wifiSwap.outPath}/bin/wifi_swap"
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'';
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};
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}
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