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available as a plug-in for OPNSense, into a kernel module and its companion
binary, umbconfig(8). This management binary effectively allows the umb(4)
driver to be configured beyond the capabilities of ifconfig(8): the PIN or PUK
code, APN, username/password, or roaming parameters can be setup, and the
connectivity tracked as well (network provider, speed…).
Should you want to give it a spin yourself and get hardware supported by this
driver, the single most important feature to look for is support for the MBIM
specification. The manual page for OpenBSD provides a list of devices that
should be compliant; note that some of them require preliminary configuration
in order to effectively expose the MBIM interface. The exact procedure is
vendor-specific, and can also depend on the model and current configuration of
the device. You should refer to the documentation offered for your device for
any steps necessary.
Sponsored by: The FreeBSD Foundation
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LinuxKPI 802.11 Wireless Update
Links:
Categorised Wireless Problem Reports URL:
https://bugs.freebsd.org/bugzilla/showdependencytree.cgi?id=2775
2&hide_resolved=0
Overview of drivers URL: https://people.freebsd.org/~bz/wireless/
Contact: Bjoern A. Zeeb
Contact: The FreeBSD wireless mailing list
With multiple wireless projects ongoing, this report focuses on the efforts
using permissively licensed Linux wireless drivers mostly unmodified on
FreeBSD.
Drivers previously committed directly to FreeBSD src.git were retroactively
imported in vendor branches and merged to main. This makes maintenance and
identifying local changes a lot easier. The iwlwifi(4), rtw88(4), and rtw89(4)
drivers got updated in main to match Linux 6.11.
The rtw89(4) driver, which had been ported and in the tree for a while, got
connected to the build. Thanks for that goes to the efforts of the community
finding two bugs preventing it from working before.
Wireless firmware in ports got updated and a release flavor was added. The
release building framework got enhanced to install the firmware packages onto
the release media. The installer grew support to run fwget(8) on the installed
system to install the firmware. This all together ensures that (wireless)
drivers with external firmware can be used from the installer and right away on
the installed system without the need for alternate connectivity. With the
framework in place for iwlwifi(4), rtw88(4), and rtw89(4) support for more
drivers can easily be added in the future. These changes shipped the first time
with 14.2-RELEASE.
Having a lot of these requested necessities out of the way, time was spent on
HT(802.11n) and VHT(802.11ac) improvements to the LinuxKPI framework synching
between driver and net80211. Hardware crypto offload got sorted along with
A-MPDU RX/BA offload right at the end of the year. Both were needed towards the
goal to achieve higher throughput with iwlwifi(4).
A half-year old bug, which stayed unnoticed preventing packets to be sent
beyond scanning with rtw88(4) in main and stable/14, received a patch to fix
the situation.
Work for the first quarter of 2025 should include:
• finishing basic HT and VHT support, and
• looking at finishing the code for generic LinuxKPI 802.11 suspend/resume
support
Sponsor: The FreeBSD Foundation
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Wireless Update
Contact: Tom Jones
Contact: The FreeBSD wireless mailing list
With Support from the FreeBSD Foundation this quarter I started working on
porting the iwx WiFi driver from OpenBSD (via Haiku). The iwx driver supports
many of the chipsets supported by iwlwifi, but rather than make that driver
more complex the OpenBSD developers decided to support these devices in a new
driver.
iwx on OpenBSD currently supports running as a station in 80211abgn and ac, it
does not yet support ax rates. The goals of this project are to import a
maintainable driver from OpenBSD and to gradually increase support until we
have a native driver in FreeBSD with support for 80211ac (and potentially
80211ax).
Currently the driver supports 80211a and 80211g and is able to saturate the
practical limits of the rates these standards offers (roughly 28Mbit down and
25 Mbit up). The driver is under active development and moving quite quickly.
The plan for the next quarter is to add support for high throughput rates,
implement monitor mode and stabilise the driver for a public call for testing.
Once the driver is stable enough a call for testing will be posted to the
freebsd-current and freebsd-wireless mailing lists.
Sponsor: The FreeBSD Foundation
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Syzkaller Improvement on FreeBSD
Links:
google/syzkaller URL: https://github.com/google/syzkaller
Contact: Jian-Lin Li
Contact: Li-Wen Hsu
Syzkaller is an operating system kernel fuzzer that can look for
vulnerabilities in the kernel.
This project aims to improve the support of Syzkaller on FreeBSD. Based on the
existing WiFi fuzzer designed for Linux, we drafted a WiFi fuzzer for FreeBSD.
We planned to use wtap(4), a virtual wifi driver for testing, in order to
support WiFi fuzzing.
Some of the design details include:
• Introduce a new netlink command to wtap in order to realize frame
injection, which is essential for WiFi fuzzing.
• Initialize wtap devices in Syzkaller before WiFi fuzzing.
We are developing some prototypes and discussing the feasible design plan with
some experts. There is not much progress yet. We hope to have more progress on
this project in the next few months.
Sponsor: The FreeBSD Foundation
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Architectures
Updating platform-specific features and bringing in support for new hardware
platforms.
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Pinephone Pro Support
Links:
Repository on Codeberg URL: https://codeberg.org/Honeyguide/free
sd-pinephonepro
Contact: Toby Kurien
The project to port FreeBSD over to the Pinephone Pro is progressing. The aim
of this project is to step by step support components of the Pinephone Pro in
FreeBSD so that the device one day might be usable as a highly mobile FreeBSD
device.
In this quarter:
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