Linux WIFI support for AX211 (Killer x1675)

Intel wifi 6E AX211 (Killer AX1675) driver support on linux

source: https://www.intel.in/content/www/in/en/products/details/wireless/killer-series.html

TLDR;

Run the following script to install a signed (for secure boot)iwlwifi module. Original solution reference.

NOTE: Checked on Ubuntu 22.04

Full script to build, install and load the iwlwifi module

NOTE: The script only installs the module in current loaded kernel module path. If a newly installed kernel is not loaded yet (e.g. system is not rebooted after installing the new kernel) then the script should be re-run after booting with that kernel (although only install is needed, but running the entire script also works but inefficient).

NOTE: Rebooting the system after a successful install of the custom module is necessary in most situations due to following reasons —
1. MOK installation for secure boot support
2. correct working of the newly installed module

Issue description

The wifi card is listed in lshw but wifi is not accessible in the settings or status bar of the DE (Desktop Environment). Following error message is present in the dmesg log by the iwlwifi module.

no config found for pci dev 51f1/1672, rev=0x370, rfid=0x2010d000

The problem is due the fact that iwlwifi module is unable to match a suitable binary code to load for the detected PID and version of the pci device (in this case, the wifi card).

Solution

Luckily, the PID 0x51f1 can run with the same drivers as the existing supported wifi module with the PID 0x51f0 hence, it seems the current patch under review in the kernel community is good.

But it will take time for a kernel release with this patch. Till then, manual fix.