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Date: Wed, 26 Feb 2014 12:27:29 -0600
From: Eric van Gyzen <eric@vangyzen.net>
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To: Sami Halabi <sodynet1@gmail.com>, <freebsd-net@freebsd.org>
Subject: Re: TSO
References: <CAEW+ogYVto3rr6LHVsG4rOuyhXt3ZWbH2kWNk-1kAmwDKROEqg@mail.gmail.com>
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On 02/26/2014 11:37, Sami Halabi wrote:
> Hi,
> I'm reading (almost) all mailing emails in mailig list...
>
> Almost every / many problem in network performancr / packets loss ended up
> suggesting disabling TSO.
>
> I wonder why.. Is it a bug in the implementation? Or bybdesign?
> What are the usecases that TSO is needed? Myabe  it should be disabled bt
> default?

In some cases, I have disabled TSO to [successfully] work around a bug
in a particular NIC's firmware or hardware, usually a low-end "desktop"
gigabit NIC.

Eric