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Date:      Tue, 19 Jan 2016 21:24:06 +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:  <569E9B66.1070200@selasky.org>
In-Reply-To: <CAJ-Vmo=1vTmKnoM=wVX=vv99mnkW-Q2CKkxZUNTUBkw_CU6ahQ@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>

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On 01/19/16 21:05, Adrian Chadd wrote:
> Erm, ok. So I'm confused about the state of how the streams are
> tracked. So not all mbufs are in a stream, but they're in some single
> LRO mbuf list?
>

Hi,

The streams are typically tracked using the hardware generated Toeplitz 
hash value. The mbufs are sorted according to the hash value and the 
hash type. The list of mbufs is scanned, flushing the LRO entries every 
time we see a change in the hash value or hash type. OK?

--HPS




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