linux-kernel - Re: [PATCH wireless 3/5] wifi: b43: Stop/wake correct queue in PIO Tx path when QoS is disabled

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Message-ID: <87sf3iz3ff.fsf@protonmail.com>
Date: Sun, 31 Dec 2023 17:29:14 +0000
From: Rahul Rameshbabu <sergeantsagara@...tonmail.com>
To: Michael Büsch <m@...s.ch>
Cc: Larry Finger <Larry.Finger@...inger.net>, Kalle Valo <kvalo@...nel.org>, linux-wireless@...r.kernel.org, b43-dev@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH wireless 3/5] wifi: b43: Stop/wake correct queue in PIO Tx path when QoS is disabled

On Sun, 31 Dec, 2023 10:33:02 +0100 Michael Büsch <m@...s.ch> wrote:
> [[PGP Signed Part:Undecided]]
> On Sun, 31 Dec 2023 00:02:32 +0000
> Rahul Rameshbabu <sergeantsagara@...tonmail.com> wrote:
>
>> > Unfortunately, it is very difficult to get the parameters for fwcutter from an
>> > x86 binary. Some of the other architectures are easier.  
>> 
>> Just tried this with the x86 binary just because and ran into extraction
>> issues as expected. I could not find other architecture options from
>> Broadcom's download page, but I may not have been looking well enough...
>> 
>>   ❯ b43-fwcutter ./wlc_hybrid.o_shipped
>>   Sorry, the input file is either wrong or not supported by b43-fwcutter.
>>   This file has an unknown MD5sum 6889dbd24abf8006de5cc6eddd138518.
>
> b43-fwcutter works only on known files. It has a table of hashes of these files.
>
> But there is a script that can be used to create a hash table entry for a .o file:
> https://bues.ch/cgit/b43-tools.git/plain/fwcutter/mklist.py
>
> This probably doesn't work on x86 binaries, though.
> But maybe by reading the script you can get an idea how this works.

Thanks for the pointer. I will take a look and follow up with you and
Larry with the b43-dev mailing list CCed. If we can get QoS working on
bcm4331, then I can send a revert for the disablement patch.

--
Thanks,

Rahul Rameshbabu