From owner-cvs-src@FreeBSD.ORG  Wed Jun 13 06:42:17 2007
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Date: Tue, 12 Jun 2007 23:17:41 -0700
From: Darren Reed <darrenr@fastmail.net>
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To: Kip Macy <kip.macy@gmail.com>
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Cc: src-committers@freebsd.org, Andre Oppermann <andre@freebsd.org>,
	cvs-src@freebsd.org, cvs-all@freebsd.org,
	Jack Vogel <jfvogel@gmail.com>, darrenr@freebsd.org,
	Sam Leffler <sam@errno.com>
Subject: Re: cvs commit: src/sys/net if.h
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Kip Macy wrote:
>> To the best of my knowledge, it is a Solarisism and the 10G cards
>> from Sun (now licensed to Marvel?) are already delivering this.
>
> Hrrrrm. Almost every GigE card out there has it. And yes Marvell is
> OEM'ing the card.
>
> The only thing novel about Neptune is the unusually large number of
> TX/RX dma engines - to better cater to sun4v and the fact that the
> number of dma engines was made asymmetric to use up their transistor
> budget. Neptune has 24/16 whereas cxgb only has 8/8. I don't know
> about mxge and Oplin but I'm sure they're similar.

I don't recall where I heard it, but I'm pretty sure that the numbers
here (rx/tc) will be much larger in the next year or two on some
of the NICs that will be avialable.

Darren