From: Andrew Lunn <andrew@lunn.ch>
To: Mason <slash.tmp@free.fr>
Cc: netdev <netdev@vger.kernel.org>,
Florian Fainelli <f.fainelli@gmail.com>,
David Miller <davem@davemloft.net>
Subject: Re: Waiting for the PHY to complete auto-negotiation
Date: Wed, 6 Dec 2017 19:26:33 +0100 [thread overview]
Message-ID: <20171206182633.GP27063@lunn.ch> (raw)
In-Reply-To: <c1c242b2-2ef8-802d-c048-59efb36f839c@free.fr>
> The problem with this is the following mind-boggling quirk of
> the hardware: once RX DMA is enabled, there is no supported
> way to disable it! Thus, I'm trying to find a clean way to set
> the control flow parameter BEFORE enabling the MAC.
There is no solution. I can pull the cable out, and plug it into a
different computer. The first could use flow control, the second not.
If you cannot disable RX DMA, you should probably disable unloading of
the module. Also kexec.
Andrew
next prev parent reply other threads:[~2017-12-06 18:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-06 16:39 Waiting for the PHY to complete auto-negotiation Mason
2017-12-06 16:59 ` Andrew Lunn
2017-12-06 18:03 ` Mason
2017-12-06 18:26 ` Andrew Lunn [this message]
2017-12-06 19:00 ` Mason
2017-12-06 19:07 ` Andrew Lunn
2017-12-06 19:25 ` Mason
2017-12-06 23:00 ` Florian Fainelli
2017-12-07 16:17 ` Mason
2017-12-09 18:49 ` Florian Fainelli
2017-12-11 14:29 ` Mason
2017-12-11 14:36 ` Måns Rullgård
2017-12-11 14:47 ` Mason
2017-12-11 16:32 ` Måns Rullgård
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