netdev - Re: r8169 auto speed down issue

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Message-ID: <20130329072056.GA31269@electric-eye.fr.zoreil.com>
Date:	Fri, 29 Mar 2013 08:20:56 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	hayeswang <hayeswang@...ltek.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	bowgotsai@...gle.com, "'Ryankao'" <ryankao@...ltek.com>
Subject: Re: r8169 auto speed down issue

hayeswang <hayeswang@...ltek.com> :
> Francois Romieu [mailto:romieu@...zoreil.com] 
> [...]
> > Your description suggests that testing against the link 
> > partner ability to work at 10M instead of testing for
                                   ^^^^^^^^^^ -> "and"
> > tp->link_ok could be good enough.

As a policy we may assume that capabilities of the link partner won't
change after a link loss event - and there is currently no way we can
change this policy - but it won't always work as expected (especially
if "expected == automagically").

[...]
> Furthermore, should it not speed down without linking, even though the cable
> would be plugged after suspending or shutdowning?

I don't get your point. Can you reformulate ?

-- 
Ueimor
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