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Merge pull request #135315 from johnjameswhitman/johnjameswhitman/fix-wlan-sub-interfaces

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nixos/tasks/network-interfaces: Assign mac to new wlan interface instead of underlying one
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Michele Guerini Rocco 2021-09-02 09:37:04 +02:00 committed by GitHub
commit 052009bf2b
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2 changed files with 24 additions and 6 deletions
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12
nixos/modules/tasks/network-interfaces.nix
View file

@ -1296,14 +1296,14 @@ in
''; '';
# Udev script to execute for a new WLAN interface. The script configures the new WLAN interface. # Udev script to execute for a new WLAN interface. The script configures the new WLAN interface.
newInterfaceScript = device: new: pkgs.writeScript "udev-run-script-wlan-interfaces-${new._iName}.sh" '' newInterfaceScript = new: pkgs.writeScript "udev-run-script-wlan-interfaces-${new._iName}.sh" ''
#!${pkgs.runtimeShell} #!${pkgs.runtimeShell}
# Configure the new interface # Configure the new interface
${pkgs.iw}/bin/iw dev ${new._iName} set type ${new.type} ${pkgs.iw}/bin/iw dev ${new._iName} set type ${new.type}
${optionalString (new.type == "mesh" && new.meshID!=null) "${pkgs.iw}/bin/iw dev ${device} set meshid ${new.meshID}"} ${optionalString (new.type == "mesh" && new.meshID!=null) "${pkgs.iw}/bin/iw dev ${new._iName} set meshid ${new.meshID}"}
${optionalString (new.type == "monitor" && new.flags!=null) "${pkgs.iw}/bin/iw dev ${device} set monitor ${new.flags}"} ${optionalString (new.type == "monitor" && new.flags!=null) "${pkgs.iw}/bin/iw dev ${new._iName} set monitor ${new.flags}"}
${optionalString (new.type == "managed" && new.fourAddr!=null) "${pkgs.iw}/bin/iw dev ${device} set 4addr ${if new.fourAddr then "on" else "off"}"} ${optionalString (new.type == "managed" && new.fourAddr!=null) "${pkgs.iw}/bin/iw dev ${new._iName} set 4addr ${if new.fourAddr then "on" else "off"}"}
${optionalString (new.mac != null) "${pkgs.iproute2}/bin/ip link set dev ${device} address ${new.mac}"} ${optionalString (new.mac != null) "${pkgs.iproute2}/bin/ip link set dev ${new._iName} address ${new.mac}"}
''; '';
# Udev attributes for systemd to name the device and to create a .device target. # Udev attributes for systemd to name the device and to create a .device target.
@ -1318,7 +1318,7 @@ in
# It is important to have that rule first as overwriting the NAME attribute also prevents the # It is important to have that rule first as overwriting the NAME attribute also prevents the
# next rules from matching. # next rules from matching.
${flip (concatMapStringsSep "\n") (wlanListDeviceFirst device wlanDeviceInterfaces.${device}) (interface: ${flip (concatMapStringsSep "\n") (wlanListDeviceFirst device wlanDeviceInterfaces.${device}) (interface:
''ACTION=="add", SUBSYSTEM=="net", ENV{DEVTYPE}=="wlan", ENV{INTERFACE}=="${interface._iName}", ${systemdAttrs interface._iName}, RUN+="${newInterfaceScript device interface}"'')} ''ACTION=="add", SUBSYSTEM=="net", ENV{DEVTYPE}=="wlan", ENV{INTERFACE}=="${interface._iName}", ${systemdAttrs interface._iName}, RUN+="${newInterfaceScript interface}"'')}
# Add the required, new WLAN interfaces to the default WLAN interface with the # Add the required, new WLAN interfaces to the default WLAN interface with the
# persistent, default name as assigned by udev. # persistent, default name as assigned by udev.

18
nixos/tests/networking.nix
View file

@ -721,6 +721,24 @@ let
assert "mtu 1442" in client.succeed("ip l show dummy0") assert "mtu 1442" in client.succeed("ip l show dummy0")
''; '';
}; };
wlanInterface = let
testMac = "06:00:00:00:02:00";
in {
name = "WlanInterface";
machine = { pkgs, ... }: {
boot.kernelModules = [ "mac80211_hwsim" ];
networking.wlanInterfaces = {
wlan0 = { device = "wlan0"; };
wap0 = { device = "wlan0"; mac = testMac; };
};
};
testScript = ''
machine.start()
machine.wait_for_unit("network.target")
machine.wait_until_succeeds("ip address show wap0 | grep -q ${testMac}")
machine.fail("ip address show wlan0 | grep -q ${testMac}")
'';
};
}; };
in mapAttrs (const (attrs: makeTest (attrs // { in mapAttrs (const (attrs: makeTest (attrs // {