Iwd: Difference between revisions
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iwd (iNet wireless daemon) is a Linux-only wireless daemon aiming to decrease the time spent making connections. | [https://archive.kernel.org/oldwiki/iwd.wiki.kernel.org/ iwd] (iNet wireless daemon) is a Linux-only wireless daemon aiming to decrease the time spent making connections. | ||
= | == Setup == | ||
iwd can be enabled with the following snippet. | iwd can be enabled with the following snippet. | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
== Usage == | |||
Connections can be managed using the provided {{ic|iwctl}} tool. | Connections can be managed using the provided {{ic|iwctl}} tool. | ||
== iwd as backend for NetworkManager == | == Configuration == | ||
To configure iwd, you should use <code>networking.wireless.iwd.settings</code> option. An example configuration, which enables IPv6 and automatic connection to known networks, would be similar to: | |||
<syntaxhighlight lang="nix"> | |||
{ | |||
networking.wireless.iwd.settings = { | |||
IPv6 = { | |||
Enabled = true; | |||
}; | |||
Settings = { | |||
AutoConnect = true; | |||
}; | |||
}; | |||
} | |||
</syntaxhighlight> | |||
For a detailed and up-to-date list of available settings, please reference the [https://git.kernel.org/pub/scm/network/wireless/iwd.git/tree/src/iwd.network.rst network daemon configuration docummentation], from kernel Git repo. | |||
=== Eduroam (WPA2 Enterprise) network === | |||
[https://eduroam.org Eduroam] wireless networks need to get configured manually by creating following file <code>/var/lib/iwd/eduroam.8021x:</code><syntaxhighlight lang="ini"> | |||
[Security] | |||
EAP-Method=PEAP | |||
EAP-Identity=eduroamHDcat2024@uni-heidelberg.de | |||
EAP-PEAP-CACert=/var/lib/iwd/ca.pem | |||
EAP-PEAP-ServerDomainMask=radius-node1.urz.uni-heidelberg.de | |||
EAP-PEAP-Phase2-Method=MSCHAPV2 | |||
EAP-PEAP-Phase2-Identity=xyz123@uni-heidelberg.de | |||
EAP-PEAP-Phase2-Password=mypassword | |||
[Settings] | |||
Autoconnect=true | |||
</syntaxhighlight>Replace the value in <code>EAP-Identity</code>, <code>EAP-PEAP-ServerDomainMask</code>, <code>EAP-PEAP-Phase2-Identity</code> and <code>EAP-PEAP-Phase2-Password</code> according to your university presets which can be acquired at [https://cat.eduroam.org cat.eduroam.org]. After entering your university name there the site will offer you a download link to a Python script which contains most of the required default values. The script also contains a certificate string which can be copied into the file <code>/var/lib/iwd/ca.pem</code>. | |||
=== iwd as backend for NetworkManager === | |||
If iwd is present, it can be used as a backend for NetworkManager through the following snippet. | If iwd is present, it can be used as a backend for NetworkManager through the following snippet. | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
== iwd as backend for Connman == | === iwd as backend for Connman === | ||
Iwd could be use as a backend for Connman too. | Iwd could be use as a backend for Connman too. | ||
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</pre> | </pre> | ||
Your desktop manager may not enable some secrets management service you may need to enable one: | Your desktop manager may not enable some secrets management service you may need to enable one: | ||
< | <syntaxhighlight lang="nix"> | ||
{ | { | ||
services. | services.gnome.gnome-keyring.enable = true; | ||
} | } | ||
</ | </syntaxhighlight> | ||
=== rfkill blocks wireless device === | === rfkill blocks wireless device === | ||
If the wi-fi connection is blocked by rf-kill, it it is needed to unblock the the wireless device. A way to do that | If the wi-fi connection is blocked by rf-kill, it it is needed to unblock the the wireless device. A way to do that with Nix is by using system.activationScripts. | ||
<syntaxHighlight lang=nix> | <syntaxHighlight lang=nix> | ||
{ | { | ||
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} | } | ||
</syntaxHighlight> | </syntaxHighlight> | ||
=== desconnect-info reason: 2 === | |||
When using certain chipsets, such as the Qualcomm qcncm865<ref>https://community.frame.work/t/guide-successful-wi-fi-7-802-11be-on-framework-13-amd-with-qualcomm-qcncm865-and-arch-linux/44723</ref>, you need to use legacy EAPoL packets<ref>https://lkml.org/lkml/2020/10/14/1101</ref> to prevent a disconnect loop. In <code>iwd.service</code> this issue shows up as:<syntaxhighlight> | |||
SA Query timed out, connection is invalid. Disconnecting... | |||
Feb 26 10:17:10 probook iwd[4486]: event: disconnect-info, reason: 2 | |||
</syntaxhighlight>If you are using systemd-networkd, this shows up in <code>systemd-networkd.service</code> as repeated <code>Carrier Gained. Carrier Lost.</code> messages. On nixos, this can be resolved by setting the matching iwd settings option.<syntaxhighlight lang="nix"> | |||
{ | |||
networking.wireless.iwd.settings.General.ControlPortOverNL80211 = false; | |||
} | |||
</syntaxhighlight> | |||
[[Category:Applications]][[Category: Networking]] |