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From: Bruno Randolf <br1@thinktube.com>
To: Alessandro Lannocca <alessandro.lannocca@gmail.com>
Cc: linux-wireless@vger.kernel.org, helmut.schaa@googlemail.com,
	IvDoorn@gmail.com, gwingerde@gmail.com
Subject: Re: rt3070-based usb device won't accept mac address changes
Date: Tue, 21 May 2013 00:40:02 +0100	[thread overview]
Message-ID: <519AB452.2010903@thinktube.com> (raw)
In-Reply-To: <CAMfPB_yVuSD765CAycUtdWBTvEEam=MpdCGKpWDJAvFiEjvLrw@mail.gmail.com>

On 05/18/2013 10:07 PM, Alessandro Lannocca wrote:
> After digging a bit into linux-stable.git I found the culprit: this
> regression comes from commit #
> 6c50f9459e62eb133563fd23606f68bfc9d120e8 (rt2x00: Use addr_mask to
> disallow invalid MAC addresses in mutli-bssid mode) ; reverting it
> fixes the problem, tested by me in compat-drivers-2013-03-28-5-u .
>
>
> I can't tell if reverting that commit adds any trouble as I'm not a
> developer; however I'm sure you guys will know how to handle the
> situation.

Basically the driver got more picky and only allows the last 3 bit of 
the MAC address changed. I just found out that if you generate your new 
MAC accordingly it works!

I wonder wether this is addr_mask is necessary for all RT chipsets, 
since mine (RT5372) happily accepted different MAC addresses before, 
also in multi-AP configurations...

bruno

  reply	other threads:[~2013-05-20 23:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-18 15:10 rt3070-based usb device won't accept mac address changes Alessandro Lannocca
2013-05-18 16:42 ` Bruno Randolf
2013-05-18 21:07   ` Alessandro Lannocca
2013-05-20 23:40     ` Bruno Randolf [this message]
2013-05-21  8:16 ` Helmut Schaa
2013-05-21 15:07   ` R: " Alessandro Lannocca

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