Date: Fri, 11 Oct 2002 17:34:54 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Hyong-Youb Kim <hykim@cs.rice.edu> Cc: <freebsd-net@freebsd.org> Subject: Re: Tigon 3 bad checksums on TCP packets Message-ID: <15783.17406.914045.132169@grasshopper.cs.duke.edu> In-Reply-To: <Pine.GSO.4.33.0210110157260.6672-100000@frosty.cs.rice.edu> References: <Pine.GSO.4.33.0210110157260.6672-100000@frosty.cs.rice.edu>
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Hyong-Youb Kim writes: > > I have been recently testing 3C996B-T board in an Athlon system. > The system has TigerMP board and a single Athlon 2000+ and runs FreeBSD > 4.7-RC. With bge driver, every thing works fine except that the NIC piles > up bad checksums on TCP receive packets. For instance, > netperf TCP_STREAM from another machine would pile up bad checksums. > What is most amazing to me is that NIC works fine with UDP receive > packets. As far as I have experienced, TCP/UDP checksumming in NIC should > have little or no difference. Too bad that the firmware is under NDA. > Which RC? Try updating to -stable (or 4.7-release) and then try applying the patch in rev 1.21 (disable memory write invalidate). http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/bge/if_bge.c.diff?r1=1.20&r2=1.21 Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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