netdev - Re: Setting link down or up in software

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Date:   Thu, 12 Jan 2017 17:27:34 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Mason <slash.tmp@...e.fr>
Cc:     netdev <netdev@...r.kernel.org>, Mans Rullgard <mans@...sr.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Thibaud Cornic <thibaud_cornic@...madesigns.com>
Subject: Re: Setting link down or up in software

> Whatever the reason for the symptoms I'm seeing, some kind of race
> condition must be involved, because it occurs randomly.

The PHY is polled once a second for its status. So it would depend on
who fast autoneg happens if you see the down.

	Andrew