Date: Tue, 19 Jan 2016 21:54:19 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: Ryan Stone <rysto32@gmail.com>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r294327 - in head/sys: dev/cxgb dev/cxgbe dev/e1000 dev/hyperv/netvsc dev/ixgbe dev/mxge netinet sys Message-ID: <569EA27B.4050001@selasky.org> In-Reply-To: <CAJ-VmokCLr7jESQqDYPRUgbo2vQD-1_kC6YhCjqAm3tMz29RUg@mail.gmail.com> References: <201601191533.u0JFXSxf037804@repo.freebsd.org> <CAFMmRNz3uXim3H3-sGuBUBs45Jy8p260ywothgp4iFkUcnvnEw@mail.gmail.com> <569E6A38.8080108@selasky.org> <CAFMmRNx3zC=mz=TC2Aq5==a5vh0Fqzv1domrCL2uUHnjybZSkQ@mail.gmail.com> <CAJ-Vmoki0yCU-mmPGfrGyJ_ar_=KKkto_ioomo_Ri_HCWR70cg@mail.gmail.com> <569E909B.60506@selasky.org> <CAJ-Vmo=1vTmKnoM=wVX=vv99mnkW-Q2CKkxZUNTUBkw_CU6ahQ@mail.gmail.com> <569E9B66.1070200@selasky.org> <CAJ-Vmo=vi5fdGzx6Z6%2BD5szrpf0jcaOe7a_9u-o0V7%2B9YkE6qw@mail.gmail.com> <569EA026.5020906@selasky.org> <CAJ-VmokCLr7jESQqDYPRUgbo2vQD-1_kC6YhCjqAm3tMz29RUg@mail.gmail.com>
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On 01/19/16 21:47, Adrian Chadd wrote: > In this setup you may have the fragments show up at a different hash > value to the non-fragments, so you'll handle all the non-fragments > first, then the fragments show up later. So hopefully the LRO code > handles seeing that hole in the TCP stream and will eject the whole > stream up. Yes, the LRO code ejects all fragmented packets. They might be received out of order though after the sorting, assuming that's fine. BTW: I don't see how you can get very high througput with fragmented TCP packets w/o LRO. --HPS
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