Date: Fri, 14 Dec 2007 22:02:58 +0100 From: Remko Lodder <remko@FreeBSD.org> To: pyunyh@gmail.com Cc: freebsd-net@FreeBSD.org, freebsd-bugs@FreeBSD.org Subject: Re: kern/106438: hme0: Interface unable to do tx and rx checksumming when using ipfilter. Message-ID: <4762EF82.8040205@FreeBSD.org> In-Reply-To: <20071201042001.GB23527@cdnetworks.co.kr> References: <200711301904.lAUJ4fqu067304@freefall.freebsd.org> <20071201042001.GB23527@cdnetworks.co.kr>
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Pyun YongHyeon wrote: > On Fri, Nov 30, 2007 at 07:04:41PM +0000, remko@FreeBSD.org wrote: > > Old Synopsis: [ipfilter] keep state does not seem to allow replies in on spar64 (and maybe others) > > New Synopsis: hme0: Interface unable to do tx and rx checksumming when using ipfilter. > > > > Responsible-Changed-From-To: freebsd-bugs->freebsd-net > > Responsible-Changed-By: remko > > Responsible-Changed-When: Fri Nov 30 19:03:15 UTC 2007 > > Responsible-Changed-Why: > > Reassign to -net, this seems like a problem with the hme driver > > I can reproduce this on 8-CURRENT on my sparc64, after issueing > > a ifconfig hme0 -rxcsum and -txcsum the problem vanished and > > I could connect again (ipfilter stopped the packets since they > > had bad data included). > > > > http://www.freebsd.org/cgi/query-pr.cgi?pr=106438 > > I didn't know hme(4) have checksum offload related issues. When I > tried the same rule as PR I also noticed that Rx UDP packet was > dropped. However I couldn't reproduce it with pf. You can easily use > identical rule with small modification(flags S/SA instead of flags S). > I'm not familiar with ipf internals so I'm not sure what caused > the issue. Given that pf works well I guess there would be somthing > in ipf that needs more attention. > > Remko, would you retry it with pf on sparc64? > Hello Pyun, I just tried this with pf and indeed that works, so you (and manuel) are correct that this is not hme but indeed ipfilter, my bad! I will forward the ticket to darrenr, i can provide support with my system where needed :) cheers remko p.s. I can also try to reproduce the problem with 'if_em' :) -- /"\ Best regards, | remko@FreeBSD.org \ / Remko Lodder | remko@EFnet X http://www.evilcoder.org/ | / \ ASCII Ribbon Campaign | Against HTML Mail and News
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