netdev - Re: drivers/net/usb/asix: bug in asix_get

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Date:	Thu, 15 Dec 2011 08:48:20 -0800
From:	Grant Grundler <grundler@...omium.org>
To:	Eugene <elubarsky@...il.com>, Allan Chou <allan@...x.com.tw>
Cc:	netdev@...r.kernel.org, Freddy Xin <freddy@...x.com.tw>
Subject: Re: drivers/net/usb/asix: bug in asix_get_wol

On Tue, Dec 13, 2011 at 5:03 AM, Eugene <elubarsky@...il.com> wrote:
> Hi Grant,
>
>
> The problem is that, as it's currently written, asix_get_wol always
> returns that wake-on-lan is disabled.

I think that was the intent.

Allan, can you please confirm?

thanks,
grant

>
>
> Cheers,
> Eugene
>
> On 12 December 2011 10:29, Grant Grundler <grundler@...omium.org> wrote:
>> [+freddy/allan @ ASIX]
>>
>> On Sat, Dec 10, 2011 at 5:02 PM, Eugene <elubarsky@...il.com> wrote:
>>> Dear kernel devs,
>>>
>>> Thanks for the commit at
>>> http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=4ad1438f025ed8d1e4e95a796ca7f0ad5a22c378,
>>> It successfully stops my adapter from dying when wake-on-lan gets
>>> enabled.
>>
>> Hi Eugene!
>> thanks for the "it works!" report.
>>
>>> However, I've noticed that it has broken asix_get_wol - the
>>> lines
>>>
>>>       if (opt & AX_MONITOR_LINK)
>>>               wolinfo->wolopts |= WAKE_PHY;
>>>       if (opt & AX_MONITOR_MAGIC)
>>>               wolinfo->wolopts |= WAKE_MAGIC;
>>>
>>> have been accidentally removed.
>>
>> This wasn't by accident. This comment in the commit log perhaps
>> doesn't explain sufficiently:
>> |    Remove MONITOR_MODE. In this mode, Received packets are not buffered when
>> | the remote wakeup is enabled.
>>
>>> The vendor driver has them, and I've
>>> successfully tested a kernel with these lines included. The change is
>>> too small for me to bother sending in a properly formatted patch...
>>
>> "Too small"? No such thing. :)
>>
>> cheers,
>> grant
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