netdev - Re: invalid requirement from ethtool?

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Message-Id: <20110815.134946.2305055687888184889.davem@davemloft.net>
Date:	Mon, 15 Aug 2011 13:49:46 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	eli@....mellanox.co.il, netdev@...r.kernel.org
Subject: Re: invalid requirement from ethtool?

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Mon, 15 Aug 2011 18:24:00 +0100

> David, I know you maintained tg3 for some time so I assume you have a
> hardware reference.  Can you confirm whether a value of 1 in
> HOSTCC_{RX,TX}MAX_FRAMES results in an interrupt after 1 completion or
> after 2 completions?

A value of 1 results in an interrupt after 1 completion.

If you put a zero there, the packet count comparison never triggers.
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