From owner-freebsd-net@FreeBSD.ORG  Wed May 16 19:36:45 2007
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Date: Wed, 16 May 2007 14:58:13 -0400
From: Julian Elischer <julian@elischer.org>
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To: Jack Vogel <jfvogel@gmail.com>
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Cc: freebsd-net <freebsd-net@freebsd.org>,
	FreeBSD Current <freebsd-current@freebsd.org>,
	Andre Oppermann <andre@freebsd.org>
Subject: Re: EM and TSO
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Jack Vogel wrote:
> On 5/16/07, Andre Oppermann <andre@freebsd.org> wrote:
>> Jack Vogel wrote:
>> > I introduced a change yesterday that limited TSO to PCI Express
>> > adapters, I did this more for avoidance rather than a bug fix, and
>> > I'm not 100% sure its the right thing, so I thought I would poll
>> > everyone, do you have a PCI-X adapter and are using TSO without
>> > problems and wish to keep the support in?
>>
>> I'm using the dual-port PCI-X adapter and would like to keep
>> using TSO on it.  There are a lot of those adapters out there
>> in servers.  TSO is scheduled to be MFC'd really soon now and
>> not having it work with em(4) on PCI-X would be quite limiting.
> 
> OK, I'll put it back, you also answered a question I had, namely
> the MFC of TSO :) I was hoping that got into 6.3.
> 
> I have another bug I'm working on, will be a delta today or tomorrow
> and I'll put it back to what it was.
> 
> Jack
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give a sysctl to change the option.