linux-kernel - Re: [PATCH] [RFC] wireless: move obsolete drivers to staging

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Message-ID: <7e18fb84-b9ff-4f95-b94a-7459ab6154e1@quicinc.com>
Date:   Wed, 18 Oct 2023 13:37:43 -0700
From:   Jeff Johnson <quic_jjohnson@...cinc.com>
To:     Johannes Berg <johannes@...solutions.net>,
        Arnd Bergmann <arnd@...db.de>,
        Geoff Levand <geoff@...radead.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
CC:     Kalle Valo <kvalo@...nel.org>, Jakub Kicinski <kuba@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...on.dev>,
        Pavel Machek <pavel@....cz>,
        "David S . Miller" <davem@...emloft.net>,
        Larry Finger <Larry.Finger@...inger.net>,
        <linux-kernel@...r.kernel.org>, <linux-wireless@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-staging@...ts.linux.dev>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH] [RFC] wireless: move obsolete drivers to staging

On 10/13/2023 11:02 AM, Johannes Berg wrote:
> On Fri, 2023-10-13 at 17:44 +0200, Arnd Bergmann wrote:
>> On Thu, Oct 12, 2023, at 18:36, Geoff Levand wrote:
>>> On 10/12/23 17:41, Johannes Berg wrote:
>>>> But seriously - is it worth to try to keep a wireless driver for it if
>>>> we don't even know anyone using a PS3 at all?
>>>
>>> There is still a considerable user base for the PS3, so we
>>> must keep the ps3-gelic-wireless driver.
>>
>> Do you know if anyone has tried changing this driver over to the
>> cfg80211 interface from the wireless extensions?
> 
> I looked at that yesterday, and sadly I _think_ it's not even possible,
> there are some corner cases in it like "no WPA2" that don't seem to be
> fully covered in cfg80211/nl80211, at least not with the APIs today and
> with current versions of wpa_supplicant.
> 
> It might still be doable because things like
> WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK don't really seem to be used much in
> wpa_supplicant, but we'd have to carefully test that I guess.
> 
> Also, it depends on the PS3 firmware version whether or not that's
> supported.
> 
> Then again, arguably wifi without WPA2 is pretty much useless these
> days?

This is a good point. It doesn't matter if the clients work if there are 
no Access Points to connect to. And if you do have an old one you can 
connect to, it will be an insecure connection. Wardriving, anyone?

/jeff