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From: YongHyeon PYUN <pyunyh@gmail.com>
Date: Thu, 1 Nov 2012 16:06:42 +0900
To: Adrian Chadd <adrian@freebsd.org>
Subject: Re: svn commit: r242425 - head/sys/dev/ti
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On Wed, Oct 31, 2012 at 11:16:43PM -0700, Adrian Chadd wrote:
> so where'd this happen? interleaved TX nowdays via if_transmit() ?
> 

if_output after fragmentation.

> 
> 
> Adrian
> 
> On 31 October 2012 22:39, Pyun YongHyeon <yongari@freebsd.org> wrote:
> > Author: yongari
> > Date: Thu Nov  1 05:39:21 2012
> > New Revision: 242425
> > URL: http://svn.freebsd.org/changeset/base/242425
> >
> > Log:
> >   Remove TCP/UDP checksum offloading feature for IP fragmented
> >   datagrams.  Traditionally upper stack fragmented packets without
> >   computing TCP/UDP checksum and these datagrams were passed to
> >   driver.  But there are chances that other packets slip into the
> >   interface queue in SMP world. If this happens firmware running on
> >   MIPS 4000 processor in the controller would see mixed packets and
> >   it shall send out corrupted packets.
> >   While I'm here simplify checksum offloading setup.