Date: Tue, 12 Jun 2007 13:03:51 -0700 From: "Kip Macy" <kip.macy@gmail.com> To: darrenr@freebsd.org Cc: src-committers@freebsd.org, Andre Oppermann <andre@freebsd.org>, cvs-src@freebsd.org, cvs-all@freebsd.org, Jack Vogel <jfvogel@gmail.com>, Sam Leffler <sam@errno.com> Subject: Re: cvs commit: src/sys/net if.h Message-ID: <b1fa29170706121303h2629ad8aw302c34240d48c2ff@mail.gmail.com> In-Reply-To: <466EF309.4080109@freebsd.org> References: <200706112008.l5BK8CQ7033543@repoman.freebsd.org> <466DACD6.4040606@errno.com> <2a41acea0706111330v6a39cf84o495f6acf62ba7ff7@mail.gmail.com> <2a41acea0706111333p5349993dg9315bfe8396f78a@mail.gmail.com> <466DB362.8010902@freebsd.org> <2a41acea0706111346l227b1399jd80d85771345d8be@mail.gmail.com> <466DB70D.8080800@freebsd.org> <2a41acea0706111403l5f4e1db1re2c901670e327485@mail.gmail.com> <466EF309.4080109@freebsd.org>
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> 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.
-Kip
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