linux-kernel - Re: [PATCH] staging: rtl8712: Remove driver using deprecated API wext

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Message-ID: <15435fb5-ae39-407d-b022-93bbe9e14fab@gmail.com>
Date: Sun, 3 Nov 2024 16:10:47 +0100
From: Christian Lamparter <chunkeey@...il.com>
To: Nam Cao <namcao@...utronix.de>,
 Philipp Hortmann <philipp.g.hortmann@...il.com>
Cc: Florian Schilhabel <florian.c.schilhabel@...glemail.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Linux Driver Project Developer List
 <driverdev-devel@...uxdriverproject.org>, Kalle Valo <kvalo@...nel.org>,
 Jakub Kicinski <kuba@...nel.org>, Johannes Berg <johannes@...solutions.net>,
 Arnd Bergmann <arnd@...db.de>,
 Dominik Karol Piątkowski
 <dominik.karol.piatkowski@...tonmail.com>, Xingquan Liu <b1n@....io>,
 Tudor Gheorghiu <tudor.reda@...il.com>, Ping-Ke Shih <pkshih@...ltek.com>,
 Manisha Singh <masingh.linux@...il.com>,
 Dorine Tipo <dorine.a.tipo@...il.com>, Tchadel Icard
 <hello@...adelicard.fr>, Felix Yan <felixonmars@...hlinux.org>,
 Moon Yeounsu <yyyynoom@...il.com>, Dan Carpenter <dan.carpenter@...aro.org>,
 Roshan Khatri <topofeverest8848@...il.com>,
 Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH] staging: rtl8712: Remove driver using deprecated API wext

On 10/30/24 10:38 AM, Nam Cao wrote:
> On Sun, Oct 20, 2024 at 04:49:29PM +0200, Philipp Hortmann wrote:
>> This driver is in the staging area since 2010.
>>
>> The following reasons lead to the removal:
>> - This driver generates maintenance workload for itself and for API wext
>> - A MAC80211 driver was available in 2016 time frame; This driver does
>>    not compile anymore but would be a better starting point than the
>>    current driver. Here the note from the TODO file:
>>    A replacement for this driver with MAC80211 support is available
>>    at https://github.com/chunkeey/rtl8192su
>> - no progress changing to mac80211
>> - Using this hardware is security wise not state of the art as WPA3 is
>>    not supported.
>>
>> The longterm kernels will still support this hardware for years.
>>
>> Find further discussions in the Link below.
>>
>> Link: https://lore.kernel.org/linux-staging/a02e3e0b-8a9b-47d5-87cf-2c957a474daa@gmail.com/T/#t
> 
> I added owner of that "replacement driver" to CC:
> Christian Lamparter <chunkeey@...il.com>
> 
> I vaguely remembered that he mentioned the replacement driver doesn't work
> very well. But can't find that email again.

... and neither did r8712u. what lives on is the OpenBSD port:
<https://man.openbsd.org/rsu.4> and the firmware: rtlwifi/rtl8712u.bin
in linux-firmware.git:
<https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/rtlwifi/rtl8712u.bin>

Cheers,
Christian