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Date: Sun, 18 Sep 2011 17:27:01 -0700
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From: Garrett Cooper <yanegomi@gmail.com>
To: Dieter BSD <dieterbsd@engineer.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: checksum offload
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On Sun, Sep 18, 2011 at 5:23 PM, Dieter BSD <dieterbsd@engineer.com> wrote:
>> The data sheet for intel 82576 advertises IP TX/RX checksum offload
>> but the driver does not set CSUM_IP in ifp->if_hwassist. Does this mean that
>> driver (and chip) do not support IP TX checksum offload or the support for
>> TX is not yet included in the driver?
>
> The first question is "is checksum offload a good idea?"
> There is less protection against errors.

This assumes firmware flaws, right? Albeit, it also does confuse some
software like tcpdump.
-Garrett