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macvtap mac address

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Sagar Ch 2024-06-11 22:48:45 +00:00
parent 0e6d764517
commit abedd98ac2
2 changed files with 5 additions and 3 deletions
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5
nixos/vm/config.nix
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@ -29,7 +29,7 @@ let
''; '';
}; };
mkMacvtap = macvtapName: macvtapCfg: mkMacvtap = macvtapName: macvtapVmCfg:
let let
macvtapNetworkCfg = config.vmix.networks.${netCfg.name}.bridges.macvtaps.${macvtapName}; macvtapNetworkCfg = config.vmix.networks.${netCfg.name}.bridges.macvtaps.${macvtapName};
macvtapInterfaceName = "mt-${vmCfg.name}-${macvtapNetworkCfg.uplink.iface}"; macvtapInterfaceName = "mt-${vmCfg.name}-${macvtapNetworkCfg.uplink.iface}";
@ -37,9 +37,10 @@ let
{ {
name = macvtapName; name = macvtapName;
iface = macvtapInterfaceName; iface = macvtapInterfaceName;
mac = macvtapCfg.mac; mac = macvtapVmCfg.mac;
create = '' create = ''
ip link add link ${macvtapNetworkCfg.uplink.iface} name ${macvtapInterfaceName} type macvtap mode bridge ip link add link ${macvtapNetworkCfg.uplink.iface} name ${macvtapInterfaceName} type macvtap mode bridge
${lib.optionalString (macvtapVmCfg.mac != null) "ip link set dev ${macvtapInterfaceName} address ${macvtapVmCfg.mac}"}
ip link set ${macvtapInterfaceName} netns ${netName}.vmix ip link set ${macvtapInterfaceName} netns ${netName}.vmix
ip netns exec ${netName}.vmix ip link set dev ${macvtapInterfaceName} up ip netns exec ${netName}.vmix ip link set dev ${macvtapInterfaceName} up
''; '';

3
nixos/vm/options.nix
View file

@ -151,7 +151,8 @@ with lib;
description = "Enable the MACVTap interface."; description = "Enable the MACVTap interface.";
}; };
mac = mkOption { mac = mkOption {
type = types.str; type = types.nullOr types.str;
default = null;
description = "MAC address for the MACVTap interface."; description = "MAC address for the MACVTap interface.";
}; };
}; };