linux-kernel - Re: [PATCH RFC] remove custom Michael MIC implementation

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Date:   Tue, 4 Apr 2017 23:31:14 +0200
From:   Arend Van Spriel <arend.vanspriel@...adcom.com>
To:     "Tobin C. Harding" <me@...in.cc>
Cc:     Toke Høiland-Jørgensen <toke@...e.dk>,
        Kalle Valo <kvalo@...eaurora.org>,
        Tycho Andersen <tycho@...ho.ws>,
        Wolfram Sang <wsa@...-dreams.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        devel@...uxdriverproject.org
Subject: Re: [PATCH RFC] remove custom Michael MIC implementation



On 3-4-2017 23:39, Tobin C. Harding wrote:
> On Mon, Apr 03, 2017 at 12:15:15PM +0200, Arend Van Spriel wrote:
>> seems we are missing out again?
> 
> Sorry, I don't understand what this comment means?

My bad. I had to reset my email account in thunderbird and now it needs
to learn anew what is spam and what is not. So I missed out on the
conversation as some messages (a lot actually) ended up in my spam folder.

>> On 3-4-2017 11:50, Toke Høiland-Jørgensen wrote:
>>> "Tobin C. Harding" <me@...in.cc> writes:
>>>
>>>> Except one: do you know off the top of your head of a canonical
>>>> implementation of a softmac wi-fi driver.
>>>
>>> I'll suggest taking a look at the ath9k driver :)
>>
>> Looking at ks7010 driver it looks like it has 802.11 stack in firmware
>> and not sure if Renesas is actively supporting this effort to come up
>> with mac80211-friendly firmware or provide detailed chip info.
> 
> Thanks for taking a look. If the ks7010 driver has 802.11 stack in
> firmware does that mean it is not compatible with using the kernel
> mac80211 stack with the current firmware? I do not have my hopes up
> about getting any chip information out of Renesas, all I think we have
> to go in is the current WEXT driver.

Indeed. That is my gut feeling as well and if that is truly the case
your best option would be a cfg80211-based driver like ath6kl, mwifiex,
and brcmfmac.

> This is an exercise in learning for me, but I do not want to take any
> ones time up with a project that is not that useful. Is getting the
> ks7010 driver out of staging something that is of use to the kernel
> community or are there other wi-fi tasks that our time is better spent
> on?

If there are linux users with this hardware than sure. Especially if it
revised to interface with the latest wireless subsystem so tools like iw
can operate on it.

Also I suppose it is preferred if a driver is maintained. I do not see
the ks7010 listed in the MAINTAINERS file yet.

> thanks,
> Tobin.
>