Date: Fri, 28 Sep 2001 21:11:05 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: "Louis A. Mamakos" <louie@TransSys.COM>, hackers@FreeBSD.ORG Subject: Re: timestamp offload [was Re: TCP&IP cksum offload on FreeBSD 4.2] Message-ID: <77779.1001704265@critter> In-Reply-To: Your message of "Fri, 28 Sep 2001 14:47:24 EDT." <15284.50620.103948.237567@grasshopper.cs.duke.edu>
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In message <15284.50620.103948.237567@grasshopper.cs.duke.edu>, Andrew Gallatin writes: > >Louis A. Mamakos writes: > > > > Some work I did a year or so ago measured the interrupt response time > > latency, and it was pretty impressive at how large and variable it > > could be. > > > > louie > >Yes. Me too, but with a pamette, not a nic. The "HotWorks" from www.vcc.com can do the same, a lot cheaper and it has a FreeBSD driver: sys/pci/xrpu.c -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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