769 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			769 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { config, lib, pkgs, utils, ... }:
 | |
| 
 | |
| with lib;
 | |
| with utils;
 | |
| 
 | |
| let
 | |
| 
 | |
|   cfg = config.networking;
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|   interfaces = attrValues cfg.interfaces;
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|   hasVirtuals = any (i: i.virtual) interfaces;
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|   hasSits = cfg.sits != { };
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|   hasBonds = cfg.bonds != { };
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| 
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|   slaves = concatMap (i: i.interfaces) (attrValues cfg.bonds)
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|     ++ concatMap (i: i.interfaces) (attrValues cfg.bridges);
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| 
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|   slaveIfs = map (i: cfg.interfaces.${i}) (filter (i: cfg.interfaces ? ${i}) slaves);
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| 
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|   rstpBridges = flip filterAttrs cfg.bridges (_: { rstp, ... }: rstp);
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| 
 | |
|   needsMstpd = rstpBridges != { };
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| 
 | |
|   bridgeStp = optional needsMstpd (pkgs.writeTextFile {
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|     name = "bridge-stp";
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|     executable = true;
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|     destination = "/bin/bridge-stp";
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|     text = ''
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|       #!${pkgs.stdenv.shell} -e
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|       export PATH="${pkgs.mstpd}/bin"
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| 
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|       BRIDGES=(${concatStringsSep " " (attrNames rstpBridges)})
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|       for BRIDGE in $BRIDGES; do
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|         if [ "$BRIDGE" = "$1" ]; then
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|           if [ "$2" = "start" ]; then
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|             mstpctl addbridge "$BRIDGE"
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|             exit 0
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|           elif [ "$2" = "stop" ]; then
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|             mstpctl delbridge "$BRIDGE"
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|             exit 0
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|           fi
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|           exit 1
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|         fi
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|       done
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|       exit 1
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|     '';
 | |
|   });
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| 
 | |
|   # We must escape interfaces due to the systemd interpretation
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|   subsystemDevice = interface:
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|     "sys-subsystem-net-devices-${escapeSystemdPath interface}.device";
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| 
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|   addrOpts = v:
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|     assert v == 4 || v == 6;
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|     {
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|       address = mkOption {
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|         type = types.str;
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|         description = ''
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|           IPv${toString v} address of the interface.  Leave empty to configure the
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|           interface using DHCP.
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|         '';
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|       };
 | |
| 
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|       prefixLength = mkOption {
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|         type = types.addCheck types.int (n: n >= 0 && n <= (if v == 4 then 32 else 128));
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|         description = ''
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|           Subnet mask of the interface, specified as the number of
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|           bits in the prefix (<literal>${if v == 4 then "24" else "64"}</literal>).
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|         '';
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|       };
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|     };
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| 
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|   interfaceOpts = { name, ... }: {
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| 
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|     options = {
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| 
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|       name = mkOption {
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|         example = "eth0";
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|         type = types.str;
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|         description = "Name of the interface.";
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|       };
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| 
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|       useDHCP = mkOption {
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|         type = types.nullOr types.bool;
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|         default = null;
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|         description = ''
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|           Whether this interface should be configured with dhcp.
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|           Null implies the old behavior which depends on whether ip addresses
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|           are specified or not.
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|         '';
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|       };
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| 
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|       ip4 = mkOption {
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|         default = [ ];
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|         example = [
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|           { address = "10.0.0.1"; prefixLength = 16; }
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|           { address = "192.168.1.1"; prefixLength = 24; }
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|         ];
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|         type = types.listOf types.optionSet;
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|         options = addrOpts 4;
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|         description = ''
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|           List of IPv4 addresses that will be statically assigned to the interface.
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|         '';
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|       };
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| 
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|       ip6 = mkOption {
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|         default = [ ];
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|         example = [
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|           { address = "fdfd:b3f0:482::1"; prefixLength = 48; }
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|           { address = "2001:1470:fffd:2098::e006"; prefixLength = 64; }
 | |
|         ];
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|         type = types.listOf types.optionSet;
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|         options = addrOpts 6;
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|         description = ''
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|           List of IPv6 addresses that will be statically assigned to the interface.
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|         '';
 | |
|       };
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| 
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|       ipAddress = mkOption {
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|         default = null;
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|         example = "10.0.0.1";
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|         type = types.nullOr types.str;
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|         description = ''
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|           IP address of the interface.  Leave empty to configure the
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|           interface using DHCP.
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|         '';
 | |
|       };
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| 
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|       prefixLength = mkOption {
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|         default = null;
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|         example = 24;
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|         type = types.nullOr types.int;
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|         description = ''
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|           Subnet mask of the interface, specified as the number of
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|           bits in the prefix (<literal>24</literal>).
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|         '';
 | |
|       };
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| 
 | |
|       subnetMask = mkOption {
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|         default = null;
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|         description = ''
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|           Defunct, supply the prefix length instead.
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|         '';
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|       };
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| 
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|       ipv6Address = mkOption {
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|         default = null;
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|         example = "2001:1470:fffd:2098::e006";
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|         type = types.nullOr types.str;
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|         description = ''
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|           IPv6 address of the interface.  Leave empty to configure the
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|           interface using NDP.
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|         '';
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|       };
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| 
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|       ipv6PrefixLength = mkOption {
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|         default = 64;
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|         example = 64;
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|         type = types.int;
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|         description = ''
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|           Subnet mask of the interface, specified as the number of
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|           bits in the prefix (<literal>64</literal>).
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|         '';
 | |
|       };
 | |
| 
 | |
|       macAddress = mkOption {
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|         default = null;
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|         example = "00:11:22:33:44:55";
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|         type = types.nullOr (types.str);
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|         description = ''
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|           MAC address of the interface. Leave empty to use the default.
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|         '';
 | |
|       };
 | |
| 
 | |
|       mtu = mkOption {
 | |
|         default = null;
 | |
|         example = 9000;
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|         type = types.nullOr types.int;
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|         description = ''
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|           MTU size for packets leaving the interface. Leave empty to use the default.
 | |
|         '';
 | |
|       };
 | |
| 
 | |
|       virtual = mkOption {
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|         default = false;
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|         type = types.bool;
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|         description = ''
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|           Whether this interface is virtual and should be created by tunctl.
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|           This is mainly useful for creating bridges between a host a virtual
 | |
|           network such as VPN or a virtual machine.
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|         '';
 | |
|       };
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| 
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|       virtualOwner = mkOption {
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|         default = "root";
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|         type = types.str;
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|         description = ''
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|           In case of a virtual device, the user who owns it.
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|         '';
 | |
|       };
 | |
| 
 | |
|       virtualType = mkOption {
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|         default = null;
 | |
|         type = types.nullOr (types.addCheck types.str (v: v == "tun" || v == "tap"));
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|         description = ''
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|           The explicit type of interface to create. Accepts tun or tap strings.
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|           Also accepts null to implicitly detect the type of device.
 | |
|         '';
 | |
|       };
 | |
| 
 | |
|       proxyARP = mkOption {
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|         default = false;
 | |
|         type = types.bool;
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|         description = ''
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|           Turn on proxy_arp for this device (and proxy_ndp for ipv6).
 | |
|           This is mainly useful for creating pseudo-bridges between a real
 | |
|           interface and a virtual network such as VPN or a virtual machine for
 | |
|           interfaces that don't support real bridging (most wlan interfaces).
 | |
|           As ARP proxying acts slightly above the link-layer, below-ip traffic
 | |
|           isn't bridged, so things like DHCP won't work. The advantage above
 | |
|           using NAT lies in the fact that no IP addresses are shared, so all
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|           hosts are reachable/routeable.
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| 
 | |
|           WARNING: turns on ip-routing, so if you have multiple interfaces, you
 | |
|           should think of the consequence and setup firewall rules to limit this.
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|         '';
 | |
|       };
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| 
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|     };
 | |
| 
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|     config = {
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|       name = mkDefault name;
 | |
|     };
 | |
| 
 | |
|   };
 | |
| 
 | |
|   hexChars = stringToCharacters "0123456789abcdef";
 | |
| 
 | |
|   isHexString = s: all (c: elem c hexChars) (stringToCharacters (toLower s));
 | |
| 
 | |
| in
 | |
| 
 | |
| {
 | |
| 
 | |
|   ###### interface
 | |
| 
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|   options = {
 | |
| 
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|     networking.hostName = mkOption {
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|       default = "nixos";
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|       type = types.str;
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|       description = ''
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|         The name of the machine.  Leave it empty if you want to obtain
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|         it from a DHCP server (if using DHCP).
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|       '';
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|     };
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| 
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|     networking.hostId = mkOption {
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|       default = null;
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|       example = "4e98920d";
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|       type = types.nullOr types.str;
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|       description = ''
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|         The 32-bit host ID of the machine, formatted as 8 hexadecimal characters.
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| 
 | |
|         You should try to make this ID unique among your machines. You can
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|         generate a random 32-bit ID using the following commands:
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| 
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|         <literal>cksum /etc/machine-id | while read c rest; do printf "%x" $c; done</literal>
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|         
 | |
|         (this derives it from the machine-id that systemd generates) or
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|         
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|         <literal>head -c4 /dev/urandom | od -A none -t x4</literal>
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|       '';
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|     };
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| 
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|     networking.enableIPv6 = mkOption {
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|       default = true;
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|       type = types.bool;
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|       description = ''
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|         Whether to enable support for IPv6.
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|       '';
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|     };
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| 
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|     networking.defaultGateway = mkOption {
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|       default = null;
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|       example = "131.211.84.1";
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|       type = types.nullOr types.str;
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|       description = ''
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|         The default gateway.  It can be left empty if it is auto-detected through DHCP.
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|       '';
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|     };
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| 
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|     networking.defaultGateway6 = mkOption {
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|       default = null;
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|       example = "2001:4d0:1e04:895::1";
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|       type = types.nullOr types.str;
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|       description = ''
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|         The default ipv6 gateway.  It can be left empty if it is auto-detected through DHCP.
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|       '';
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|     };
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| 
 | |
|     networking.defaultGatewayWindowSize = mkOption {
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|       default = null;
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|       example = 524288;
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|       type = types.nullOr types.int;
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|       description = ''
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|         The window size of the default gateway. It limits maximal data bursts that TCP peers
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|         are allowed to send to us.
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|       '';
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|     };
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| 
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|     networking.nameservers = mkOption {
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|       default = [];
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|       example = ["130.161.158.4" "130.161.33.17"];
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|       description = ''
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|         The list of nameservers.  It can be left empty if it is auto-detected through DHCP.
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|       '';
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|     };
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| 
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|     networking.search = mkOption {
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|       default = [];
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|       example = [ "example.com" "local.domain" ];
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|       type = types.listOf types.str;
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|       description = ''
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|         The list of search paths used when resolving domain names.
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|       '';
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|     };
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| 
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|     networking.domain = mkOption {
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|       default = null;
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|       example = "home";
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|       type = types.nullOr types.str;
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|       description = ''
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|         The domain.  It can be left empty if it is auto-detected through DHCP.
 | |
|       '';
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|     };
 | |
| 
 | |
|     networking.useHostResolvConf = mkOption {
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|       type = types.bool;
 | |
|       default = false;
 | |
|       description = ''
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|         In containers, whether to use the
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|         <filename>resolv.conf</filename> supplied by the host.
 | |
|       '';
 | |
|     };
 | |
| 
 | |
|     networking.localCommands = mkOption {
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|       default = "";
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|       example = "text=anything; echo You can put $text here.";
 | |
|       description = ''
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|         Shell commands to be executed at the end of the
 | |
|         <literal>network-setup</literal> systemd service.  Note that if
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|         you are using DHCP to obtain the network configuration,
 | |
|         interfaces may not be fully configured yet.
 | |
|       '';
 | |
|     };
 | |
| 
 | |
|     networking.interfaces = mkOption {
 | |
|       default = {};
 | |
|       example =
 | |
|         { eth0.ip4 = [ {
 | |
|             address = "131.211.84.78";
 | |
|             prefixLength = 25;
 | |
|           } ];
 | |
|         };
 | |
|       description = ''
 | |
|         The configuration for each network interface.  If
 | |
|         <option>networking.useDHCP</option> is true, then every
 | |
|         interface not listed here will be configured using DHCP.
 | |
|       '';
 | |
|       type = types.loaOf types.optionSet;
 | |
|       options = [ interfaceOpts ];
 | |
|     };
 | |
| 
 | |
|     networking.bridges = mkOption {
 | |
|       default = { };
 | |
|       example =
 | |
|         { br0.interfaces = [ "eth0" "eth1" ];
 | |
|           br1.interfaces = [ "eth2" "wlan0" ];
 | |
|         };
 | |
|       description =
 | |
|         ''
 | |
|           This option allows you to define Ethernet bridge devices
 | |
|           that connect physical networks together.  The value of this
 | |
|           option is an attribute set.  Each attribute specifies a
 | |
|           bridge, with the attribute name specifying the name of the
 | |
|           bridge's network interface.
 | |
|         '';
 | |
| 
 | |
|       type = types.attrsOf types.optionSet;
 | |
| 
 | |
|       options = {
 | |
| 
 | |
|         interfaces = mkOption {
 | |
|           example = [ "eth0" "eth1" ];
 | |
|           type = types.listOf types.string;
 | |
|           description =
 | |
|             "The physical network interfaces connected by the bridge.";
 | |
|         };
 | |
| 
 | |
|         rstp = mkOption {
 | |
|           example = true;
 | |
|           default = false;
 | |
|           type = types.bool;
 | |
|           description = "Whether the bridge interface should enable rstp.";
 | |
|         };
 | |
| 
 | |
|       };
 | |
| 
 | |
|     };
 | |
| 
 | |
|     networking.bonds = mkOption {
 | |
|       default = { };
 | |
|       example = {
 | |
|         bond0 = {
 | |
|           interfaces = [ "eth0" "wlan0" ];
 | |
|           miimon = 100;
 | |
|           mode = "active-backup";
 | |
|         };
 | |
|         fatpipe.interfaces = [ "enp4s0f0" "enp4s0f1" "enp5s0f0" "enp5s0f1" ];
 | |
|       };
 | |
|       description = ''
 | |
|         This option allows you to define bond devices that aggregate multiple,
 | |
|         underlying networking interfaces together. The value of this option is
 | |
|         an attribute set. Each attribute specifies a bond, with the attribute
 | |
|         name specifying the name of the bond's network interface
 | |
|       '';
 | |
| 
 | |
|       type = types.attrsOf types.optionSet;
 | |
| 
 | |
|       options = {
 | |
| 
 | |
|         interfaces = mkOption {
 | |
|           example = [ "enp4s0f0" "enp4s0f1" "wlan0" ];
 | |
|           type = types.listOf types.str;
 | |
|           description = "The interfaces to bond together";
 | |
|         };
 | |
| 
 | |
|         lacp_rate = mkOption {
 | |
|           default = null;
 | |
|           example = "fast";
 | |
|           type = types.nullOr types.str;
 | |
|           description = ''
 | |
|             Option specifying the rate in which we'll ask our link partner
 | |
|             to transmit LACPDU packets in 802.3ad mode.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|         miimon = mkOption {
 | |
|           default = null;
 | |
|           example = 100;
 | |
|           type = types.nullOr types.int;
 | |
|           description = ''
 | |
|             Miimon is the number of millisecond in between each round of polling
 | |
|             by the device driver for failed links. By default polling is not
 | |
|             enabled and the driver is trusted to properly detect and handle
 | |
|             failure scenarios.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|         mode = mkOption {
 | |
|           default = null;
 | |
|           example = "active-backup";
 | |
|           type = types.nullOr types.str;
 | |
|           description = ''
 | |
|             The mode which the bond will be running. The default mode for
 | |
|             the bonding driver is balance-rr, optimizing for throughput.
 | |
|             More information about valid modes can be found at
 | |
|             https://www.kernel.org/doc/Documentation/networking/bonding.txt
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|         xmit_hash_policy = mkOption {
 | |
|           default = null;
 | |
|           example = "layer2+3";
 | |
|           type = types.nullOr types.str;
 | |
|           description = ''
 | |
|             Selects the transmit hash policy to use for slave selection in
 | |
|             balance-xor, 802.3ad, and tlb modes.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|       };
 | |
|     };
 | |
| 
 | |
|     networking.macvlans = mkOption {
 | |
|       type = types.attrsOf types.optionSet;
 | |
|       default = { };
 | |
|       example = {
 | |
|         wan = {
 | |
|           interface = "enp2s0";
 | |
|           mode = "vepa";
 | |
|         };
 | |
|       };
 | |
|       description = ''
 | |
|         This option allows you to define macvlan interfaces which should
 | |
|         be automatically created.
 | |
|       '';
 | |
|       options = {
 | |
| 
 | |
|         interface = mkOption {
 | |
|           example = "enp4s0";
 | |
|           type = types.string;
 | |
|           description = "The interface the macvlan will transmit packets through.";
 | |
|         };
 | |
| 
 | |
|         mode = mkOption {
 | |
|           default = null;
 | |
|           type = types.nullOr types.str;
 | |
|           example = "vepa";
 | |
|           description = "The mode of the macvlan device.";
 | |
|         };
 | |
| 
 | |
|       };
 | |
|     };
 | |
| 
 | |
|     networking.sits = mkOption {
 | |
|       type = types.attrsOf types.optionSet;
 | |
|       default = { };
 | |
|       example = {
 | |
|         hurricane = {
 | |
|           remote = "10.0.0.1";
 | |
|           local = "10.0.0.22";
 | |
|           ttl = 255;
 | |
|         };
 | |
|         msipv6 = {
 | |
|           remote = "192.168.0.1";
 | |
|           dev = "enp3s0";
 | |
|           ttl = 127;
 | |
|         };
 | |
|       };
 | |
|       description = ''
 | |
|         This option allows you to define 6-to-4 interfaces which should be automatically created.
 | |
|       '';
 | |
|       options = {
 | |
| 
 | |
|         remote = mkOption {
 | |
|           type = types.nullOr types.str;
 | |
|           default = null;
 | |
|           example = "10.0.0.1";
 | |
|           description = ''
 | |
|             The address of the remote endpoint to forward traffic over.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|         local = mkOption {
 | |
|           type = types.nullOr types.str;
 | |
|           default = null;
 | |
|           example = "10.0.0.22";
 | |
|           description = ''
 | |
|             The address of the local endpoint which the remote
 | |
|             side should send packets to.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|         ttl = mkOption {
 | |
|           type = types.nullOr types.int;
 | |
|           default = null;
 | |
|           example = 255;
 | |
|           description = ''
 | |
|             The time-to-live of the connection to the remote tunnel endpoint.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|         dev = mkOption {
 | |
|           type = types.nullOr types.str;
 | |
|           default = null;
 | |
|           example = "enp4s0f0";
 | |
|           description = ''
 | |
|             The underlying network device on which the tunnel resides.
 | |
|           '';
 | |
|         };
 | |
| 
 | |
|       };
 | |
|     };
 | |
| 
 | |
|     networking.vlans = mkOption {
 | |
|       default = { };
 | |
|       example = {
 | |
|         vlan0 = {
 | |
|           id = 3;
 | |
|           interface = "enp3s0";
 | |
|         };
 | |
|         vlan1 = {
 | |
|           id = 1;
 | |
|           interface = "wlan0";
 | |
|         };
 | |
|       };
 | |
|       description =
 | |
|         ''
 | |
|           This option allows you to define vlan devices that tag packets
 | |
|           on top of a physical interface. The value of this option is an
 | |
|           attribute set. Each attribute specifies a vlan, with the name
 | |
|           specifying the name of the vlan interface.
 | |
|         '';
 | |
| 
 | |
|       type = types.attrsOf types.optionSet;
 | |
| 
 | |
|       options = {
 | |
| 
 | |
|         id = mkOption {
 | |
|           example = 1;
 | |
|           type = types.int;
 | |
|           description = "The vlan identifier";
 | |
|         };
 | |
| 
 | |
|         interface = mkOption {
 | |
|           example = "enp4s0";
 | |
|           type = types.string;
 | |
|           description = "The interface the vlan will transmit packets through.";
 | |
|         };
 | |
| 
 | |
|       };
 | |
|     };
 | |
| 
 | |
|     networking.useDHCP = mkOption {
 | |
|       type = types.bool;
 | |
|       default = true;
 | |
|       description = ''
 | |
|         Whether to use DHCP to obtain an IP address and other
 | |
|         configuration for all network interfaces that are not manually
 | |
|         configured.
 | |
|       '';
 | |
|     };
 | |
| 
 | |
|     networking.useNetworkd = mkOption {
 | |
|       default = false;
 | |
|       type = types.bool;
 | |
|       description = ''
 | |
|         Whether we should use networkd as the network configuration backend or
 | |
|         the legacy script based system. Note that this option is experimental,
 | |
|         enable at your own risk.
 | |
|       '';
 | |
|     };
 | |
| 
 | |
|   };
 | |
| 
 | |
| 
 | |
|   ###### implementation
 | |
| 
 | |
|   config = {
 | |
| 
 | |
|     assertions =
 | |
|       (flip map interfaces (i: {
 | |
|         assertion = i.subnetMask == null;
 | |
|         message = "The networking.interfaces.${i.name}.subnetMask option is defunct. Use prefixLength instead.";
 | |
|       })) ++ (flip map slaveIfs (i: {
 | |
|         assertion = i.ip4 == [ ] && i.ipAddress == null && i.ip6 == [ ] && i.ipv6Address == null;
 | |
|         message = "The networking.interfaces.${i.name} must not have any defined ips when it is a slave.";
 | |
|       })) ++ [
 | |
|         {
 | |
|           assertion = cfg.hostId == null || (stringLength cfg.hostId == 8 && isHexString cfg.hostId);
 | |
|           message = "Invalid value given to the networking.hostId option.";
 | |
|         }
 | |
|       ];
 | |
| 
 | |
|     boot.kernelModules = [ ]
 | |
|       ++ optional cfg.enableIPv6 "ipv6"
 | |
|       ++ optional hasVirtuals "tun"
 | |
|       ++ optional hasSits "sit"
 | |
|       ++ optional hasBonds "bonding";
 | |
| 
 | |
|     boot.extraModprobeConfig =
 | |
|       # This setting is intentional as it prevents default bond devices
 | |
|       # from being created.
 | |
|       optionalString hasBonds "options bonding max_bonds=0";
 | |
| 
 | |
|     boot.kernel.sysctl = {
 | |
|       "net.net.ipv4.conf.all.promote_secondaries" = true;
 | |
|       "net.ipv6.conf.all.disable_ipv6" = mkDefault (!cfg.enableIPv6);
 | |
|       "net.ipv6.conf.default.disable_ipv6" = mkDefault (!cfg.enableIPv6);
 | |
|       "net.ipv4.conf.all_forwarding" = mkDefault (any (i: i.proxyARP) interfaces);
 | |
|       "net.ipv6.conf.all.forwarding" = mkDefault (any (i: i.proxyARP) interfaces);
 | |
|     } // listToAttrs (concatLists (flip map (filter (i: i.proxyARP) interfaces)
 | |
|         (i: flip map [ "4" "6" ] (v: nameValuePair "net.ipv${v}.conf.${i.name}.proxy_arp" true))
 | |
|       ));
 | |
| 
 | |
|     security.setuidPrograms = [ "ping" "ping6" ];
 | |
| 
 | |
|     # Set the host and domain names in the activation script.  Don't
 | |
|     # clear it if it's not configured in the NixOS configuration,
 | |
|     # since it may have been set by dhcpcd in the meantime.
 | |
|     system.activationScripts.hostname =
 | |
|       optionalString (cfg.hostName != "") ''
 | |
|         hostname "${cfg.hostName}"
 | |
|       '';
 | |
|     system.activationScripts.domain =
 | |
|       optionalString (cfg.domain != null) ''
 | |
|         domainname "${cfg.domain}"
 | |
|       '';
 | |
| 
 | |
|     environment.etc = mkIf (cfg.hostId != null)
 | |
|       [
 | |
|         {
 | |
|           target = "hostid";
 | |
|           source = pkgs.runCommand "gen-hostid" {} ''
 | |
|             hi="${cfg.hostId}"
 | |
|             ${if pkgs.stdenv.isBigEndian then ''
 | |
|               echo -ne "\x''${hi:0:2}\x''${hi:2:2}\x''${hi:4:2}\x''${hi:6:2}" > $out
 | |
|             '' else ''
 | |
|               echo -ne "\x''${hi:6:2}\x''${hi:4:2}\x''${hi:2:2}\x''${hi:0:2}" > $out
 | |
|             ''}
 | |
|           '';
 | |
|         }
 | |
|       ];
 | |
| 
 | |
|     environment.systemPackages =
 | |
|       [ pkgs.host
 | |
|         pkgs.iproute
 | |
|         pkgs.iputils
 | |
|         pkgs.nettools
 | |
|         pkgs.wirelesstools
 | |
|         pkgs.iw
 | |
|         pkgs.rfkill
 | |
|         pkgs.openresolv
 | |
|       ] ++ bridgeStp;
 | |
| 
 | |
|     systemd.targets."network-interfaces" =
 | |
|       { description = "All Network Interfaces";
 | |
|         wantedBy = [ "network.target" ];
 | |
|         before = [ "network.target" ];
 | |
|         after = [ "network-pre.target" ];
 | |
|         unitConfig.X-StopOnReconfiguration = true;
 | |
|       };
 | |
| 
 | |
|     systemd.services = {
 | |
|       network-local-commands = {
 | |
|         description = "Extra networking commands.";
 | |
|         before = [ "network.target" ];
 | |
|         wantedBy = [ "network.target" ];
 | |
|         after = [ "network-pre.target" ];
 | |
|         unitConfig.ConditionCapability = "CAP_NET_ADMIN";
 | |
|         path = [ pkgs.iproute ];
 | |
|         serviceConfig.Type = "oneshot";
 | |
|         serviceConfig.RemainAfterExit = true;
 | |
|         script = ''
 | |
|           # Run any user-specified commands.
 | |
|           ${cfg.localCommands}
 | |
|         '';
 | |
|       };
 | |
|     } // (listToAttrs (flip map interfaces (i:
 | |
|       nameValuePair "network-link-${i.name}"
 | |
|       { description = "Link configuration of ${i.name}";
 | |
|         wantedBy = [ "network-interfaces.target" ];
 | |
|         before = [ "network-interfaces.target" ];
 | |
|         bindsTo = [ (subsystemDevice i.name) ];
 | |
|         after = [ (subsystemDevice i.name) "network-pre.target" ];
 | |
|         path = [ pkgs.iproute ];
 | |
|         serviceConfig = {
 | |
|           Type = "oneshot";
 | |
|           RemainAfterExit = true;
 | |
|         };
 | |
|         script =
 | |
|           ''
 | |
|             echo "Configuring link..."
 | |
|           '' + optionalString (i.macAddress != null) ''
 | |
|             echo "setting MAC address to ${i.macAddress}..."
 | |
|             ip link set "${i.name}" address "${i.macAddress}"
 | |
|           '' + optionalString (i.mtu != null) ''
 | |
|             echo "setting MTU to ${toString i.mtu}..."
 | |
|             ip link set "${i.name}" mtu "${toString i.mtu}"
 | |
|           '';
 | |
|       })));
 | |
| 
 | |
|     services.mstpd = mkIf needsMstpd { enable = true; };
 | |
| 
 | |
|   };
 | |
| 
 | |
| }
 | 
