WiFi Driver Development for AsiaRF AW7991-AE2 with MediaTek MT7991 chipset

bsdunixrock

bsdunixrock

Hello I recently bought AsiaRF AW7991-AE2 Wi-Fi7 BE5000 module with MediaTek MT7991 chipset for Router/Firewall to run in full AP Mode. My device only supports M.2 wifi module.

I found out that the drivers aren't supported yet. Any idea when get full driver support?

AsiaRF AW7991-AE2 Wi-Fi 7 M.2 A+E Key Module:
asiarf.com

Wi-Fi 7 AP M.2 Card with AE key interface, reach BE5000 (5000Mbps) speed with MediaTek MT7991 Chipset

High-performance Wi-Fi 7 (802.11be) M.2 A-E Key module AW7991-AE2. Features MediaTek MT7991 chipset, supporting BE5000 DBDC (2x2 2.4GHz + 3x3 5GHz), 4096-QAM, and PCIe 3.0 interface. Reliable connectivity for enterprise and industrial IoT.
asiarf.com asiarf.com


pciconf -lv

none4@pci0:4:0:0: class=0x028000 rev=0x00 hdr=0x00 vendor=0x14c3 device=0x7992 subvendor=0x14c3 subdevice=0x7992
vendor = 'MEDIATEK Corp.'
class = network


github.com

linux/drivers/net/wireless/mediatek/mt76 at master · torvalds/linux

Linux kernel source tree. Contribute to torvalds/linux development by creating an account on GitHub.
github.com github.com


Lead WiFi Driver Developer: Bjoern A. Zeeb <bz@FreeBSD.org>
 
If someone is working on the driver, it is likely that they are on the mailing list, rather than here. As it is a volunteer effort, it may be a while unless someone can convince the vendor to get involved.
 
github.com

proj-laptop/monthly-updates/2025-11.md at main · FreeBSDFoundation/proj-laptop

The FreeBSD Foundation's Laptop Support and Usability Improvements project aims to deliver a package of improved or new FreeBSD functionality that, together, will ensure that it runs well “out ...
github.com github.com

Support for MediaTek Wi-Fi cards​

The work on this is ongoing because it involves a significant amount of debugging across different platforms to locate what needs to change to make it work for FreeBSD. The investigative work this month has revealed that the solution involves major changes to LinuxKPI (FreeBSD compatibility layer for Linux drivers) and breaking changes to how FreeBSD manages memory which will require other drivers to also be updated. Changes to drm-kmod (graphics package) will also be needed. Progress has been made this month with basic Wi-Fi functionality such as scanning and packet transmission.
Click to expand...

github.com

Support the MediaTek Wireless cards · Issue #66 · FreeBSDFoundation/proj-laptop

User Story As a user, I want to use the MediaTek wireless card included in my Framework laptop so that I don't have to purchase a separate USB wireless adaptor. Implementation Notes The mt76 wirele...
github.com github.com
 
I emailed the head developer for WiFi Drivers in FreeBSD and said he also bought the exact same card recently. I emailed the mailing list. I also emailed AsiaRF and MediaTek...AsiaRF said that MediaTek is working on it....but got no response from MediaTek.
 
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