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[19.09] nixos/networkmanager: allow iwd as Wi-Fi backend #71207

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merged 1 commit into from Oct 16, 2019
Merged

[19.09] nixos/networkmanager: allow iwd as Wi-Fi backend #71207

merged 1 commit into from Oct 16, 2019

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worldofpeace
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Motivation for this change

This introduces an option wifi.backend to the networkmanager module.

Version of 86dea55 for release-19.09.

Backporting because it's an experimental feature that people would like to use at their discretion.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nix-review --run "nix-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.
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@worldofpeace
nixos/networkmanager: allow iwd as Wi-Fi backend
dcc4078 
This introduces an option wifi.backend to the networkmanager module.

Version of 86dea55 for release-19.09.
@worldofpeace
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Needs manual testing as always with NM.

@flokli
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flokli commented Oct 16, 2019

cc @mweinelt

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mweinelt commented Oct 16, 2019 •
edited

Had to reboot after switching, because the interaction with nm-applet was somewhat broken. All WPA entries in nm-applet were greyed out. I was asked to reenter the password for a WLAN network but couldn't:

2019-10-16-143140_721x200_scrot

After reboot WPA networks were available again. I had to reenter passwords, connections are working. WPA2/WPA3 (WPA-PSK SAE) mixed works, WPA3 (SAE) alone does not even though nm-applet offers to connect to it. NetworkManager receives a GDBus.Error:net.connman.iwd.NotSupported error.

Another bummer: My WLAN interface is not using predictive interface naming anymore (wlp2s0 before, now wlan0).

I don't have an EAP network in range now, so I can't test that until later tonight.

Switched back to wifi.backend = "wpa_supplicant"; and after a switch iwd has vanished but wpa_supplicant does not get started. After another reboot WLAN works again and WPA3 networks are greyed out in nm-applet. And the WLAN interface is wlp2s0 again, so the renaming is caused by iwd apparently.

Tested on 8bf142e + dcc4078

@worldofpeace
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Sounds like a typical iwd experience @mweinelt. Though I must admit it went better for me.

The bit with having to restart I think is expected, unless you manually restart/start things.

Another bummer: My WLAN interface is not using predictive interface naming anymore (wlp2s0 before, now wlan0).

I did notice that.

Thanks for testing ✨

@worldofpeace worldofpeace merged commit c35f716 into NixOS:release-19.09 Oct 16, 2019
@worldofpeace worldofpeace deleted the nm-iwd-19.09 branch October 16, 2019 23:28
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@flokli flokli Awaiting requested review from flokli

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