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: <20231231103302.04cc37ae@barney>
Date: Sun, 31 Dec 2023 10:33:02 +0100
From: Michael Büsch <m@...s.ch>
To: Rahul Rameshbabu <sergeantsagara@...tonmail.com>
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 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.

-- 
Michael Büsch
https://bues.ch/

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