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Date:      Fri, 17 Aug 2001 18:22:19 -0300 (BRT)
From:      Giovanni Picoli Tirloni <tirloni@users.sourceforge.net>
To:        Alfred Perlstein <bright@mu.org>
Cc:        <freebsd-net@freebsd.org>
Subject:   Re: What is 'checksum offload'?
Message-ID:  <20010817181316.R370-100000@mink.ath.cx>
In-Reply-To: <20010817012926.O38066@elvis.mu.org>

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> > I'm in the process of translation release notes and have trouble
> > understanding and thus interpreting the term 'checksum offload' which is
> > a feature of nge(4) and lge(4) drivers. Does it mean that the
> > controllers are able to compute TCP/IP checksums in hardware thus taking
> > off load from CPU? Don't hesitate to tell me I'm stupid and this has
> > nothing to do with TCP/IP :)
>
> Yes, that's the point of checksum offloading.

 Is there a FastEthernet card that has this feature? I'm not sure if
 it'd be all that useful since the throughput isn't as high as in
 gigabit ethernet but perhaps it has its uses in a CPU limited device.
 Just curious.

                                              -- Giovanni

 Pohl's law:
        Nothing is so good that somebody, somewhere, will not hate it.



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