Date: Wed, 14 Jan 2026 11:05:34 +0100 From: Tassilo Philipp <tphilipp@potion-studios.com> To: "Bjoern A. Zeeb" <bz@freebsd.org> Cc: freebsd-wireless@freebsd.org Subject: Re: iwlwifi(4) on riscv64 (intel ax200) Message-ID: <20260122416788.68430095@potion-studios.com> In-Reply-To: <10pp4pqn-oosp-9437-7q32-proos1p57r9n@mnoonqbm.arg> References: <20260117535483.43589553@potion-studios.com> <10pp4pqn-oosp-9437-7q32-proos1p57r9n@mnoonqbm.arg>
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On Wed, Jan 14, 2026 at 06:43:46AM +0000, Bjoern A. Zeeb wrote: Hi, yeah, this looks good. Different way to make it compile, so I guess the #ifdefs I added are not needed, but keeping the linux headers around was the key. Do you need any help w/ testing? > On Mon, 5 Jan 2026, Tassilo Philipp wrote: > > Hi, > >> I thought I simply share this here, maybe it's useful to someone. I >> got an intel wifi-6 ax200 m.2 slot card working on a HiFive >> Unmatched board w/ fbsd 15.0. It seems to work fine for me, so far, >> but it's in no way thoroughly tested... >> >> In order to build the if_iwlwifi kernel module I needed to disable >> ACPI in the module's Makefile, and patch a source file to add some >> missing ACPI related #ifdefs. >> >> Also, some firmware files need to be built and installed via ports' >> net/wifi-firmware-iwlwifi-kmod. Those firmware files can be built on >> any platform - when building them on riscv64 themselves, a small >> patch needs to be applied to net/wifi-firmware-kmod so riscv64 isn't >> excluded, though. >> >> Anywho, to have a seemingly working iwlwifi(4) on my riscv64 setup, >> the following steps were needed: >> >> 1) make sure src is installed >> 2) apply attached patch (which does the tweaks described above) >> 3) build/install kernel module from source: >> cd /usr/src/sys/modules/iwlwifi >> make >> make install clean >> 4) install firmware port: >> cd /usr/ports/net/wifi-firmware-iwlwifi-kmod >> make install clean >> 5) kldload wlan_ccmp wlan_amrr if_iwlwifi >> >> As said, thought that I share this here, happy that it's working, >> but no idea or guarantee about stability and correctness. > > > There is a stack of 5 changes open for review as of last night: > https://reviews.freebsd.org/D54694 > > One is for the firmware in ports. > > The others are (a) ACPI related for RISC-V so we get the headers on __riscv > as well so we do not have to change other driver code, and (b) module Makefile > related to enable ACPI based on DEV_ACPI and factor out the LinuxKPI wireless > drivers in their own block also compiling them on RISC-V. Turns out rtw89 is > broken requiring ACPI unconditionally (also on Linux it seems) so it's currently > disabled until I get to the point of fixing that in an upstreamable way. > > Hope they can land soon. > > Thanks a lot again for letting us know! > > /bz > > -- > Bjoern A. Zeeb r15:7home | help
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