From: David Miller <davem@davemloft.net>
To: andrew@lunn.ch
Cc: f.fainelli@gmail.com, netdev@vger.kernel.org
Subject: Re: [PATCH net-next 0/2] Add support for PHY packet generators
Date: Thu, 18 Feb 2016 15:45:39 -0500 (EST) [thread overview]
Message-ID: <20160218.154539.340432973192973342.davem@davemloft.net> (raw)
In-Reply-To: <1455741127-25453-1-git-send-email-andrew@lunn.ch>
From: Andrew Lunn <andrew@lunn.ch>
Date: Wed, 17 Feb 2016 21:32:05 +0100
> Some Ethernet PHYs contain a simple packet generator. This can be
> useful for bringing up new devices, trying to determine if a problem
> lies in the MAC-PHY connection or PHY-Socket. Also, the PHY generators
> can generate invalid packets, which is hard to do in software.
>
> Add support ethtool(1) and wire up the Marvell PHY packet generator.
You really cannot make this blocking, every time we've added a blocking
ethtool op that could take a non-trivial amount of time we've been
burnt.
So as Ben mentioned blocking for 0.3 seconds or whatever is a non-starter.
prev parent reply other threads:[~2016-02-18 20:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-17 20:32 [PATCH net-next 0/2] Add support for PHY packet generators Andrew Lunn
2016-02-17 20:32 ` [PATCH net-next 1/2] net: ethtool: " Andrew Lunn
2016-02-17 21:06 ` Ben Hutchings
2016-02-17 21:55 ` Andrew Lunn
2016-02-17 23:28 ` Ben Hutchings
2016-02-17 20:32 ` [PATCH net-next 2/2] phy: marvell: Add support for phy packet generator Andrew Lunn
2016-02-17 22:33 ` Lino Sanfilippo
2016-02-17 23:49 ` Florian Fainelli
2016-02-18 20:45 ` David Miller [this message]
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