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

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Message-ID: <20170331104222.GA2873@katana>
Date:   Fri, 31 Mar 2017 12:42:22 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     "Tobin C. Harding" <me@...in.cc>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...uxdriverproject.org, Tycho Andersen <tycho@...ho.ws>
Subject: Re: [PATCH RFC] remove custom Michael MIC implementation

Hi,

> The card I have is a Spectec FCC ID: S2Y-WLAN-11B-G which I believe is
> a SDW-823 and should use the ks7010 driver.

Sorry, likely not. It is an early SDW-821 and has a MediaTek chipset for
which no driver is known:
https://wikidevi.com/wiki/Spectec_SDW-821_%28MediaTek%29

For SDW-821 (SD size) and KS7010, you'd need a "S2Y-WLAN-11G-K" (but I
have never seen one yet):
https://wikidevi.com/wiki/Spectec_SDW-821_%28KeyStream%29

One can find an SDW-823 (microSD) "S2Y-MWLAN-11B-G" once in a while:
https://wikidevi.com/wiki/Spectec_SDW-823

> > Without the CFG80211 conversion, replacing the Michael custom
> > implementation with the in-kernel one makes the driver a tad better and
> > is good exercise. However, it will sadly not help to get the driver out
> > of staging.
> 
> I'll drop it then. Could you please tell me, is there any thing else
> more I need to do to let LKML know that this RFC is dropped? Or is
> this reply enough. I don't want to use any ones time unnecessarily.

That should do.

> Let's go for a CFG80211 driver and get out of staging :) So next step
> is I guess study the ath6kl driver, learn how CFG80211 is done and
> implement that interface in ks7010? Oh, and test that it works.

Yes, have a look around and check if you like that task. I might have a
spare SDW-823 lying around if you are up to it. But check first, it is
not a trivial task. On the pro side, there are tons of interesting
things about WiFI and kernel development to learn on the way :)

Regards,

   Wolfram


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