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Date:      Fri, 17 Aug 2001 01:29:26 -0500
From:      Alfred Perlstein <bright@mu.org>
To:        Alex Kapranoff <kapr@acm.org>
Cc:        freebsd-net@FreeBSD.ORG
Subject:   Re: What is 'checksum offload'?
Message-ID:  <20010817012926.O38066@elvis.mu.org>
In-Reply-To: <20010816111147.A1328@kapran.bitmcnit.bryansk.su>; from kapr@acm.org on Thu, Aug 16, 2001 at 11:11:48AM %2B0400
References:  <20010816111147.A1328@kapran.bitmcnit.bryansk.su>

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* Alex Kapranoff <kapr@acm.org> [010817 01:24] wrote:
> Good day,
> 
> 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.

> Oh, and what's a jumbogram?

Large frames, larger than standard ethernet MTU, afaik they're
8 or 9k.

-- 
-Alfred Perlstein [alfred@freebsd.org]
Ok, who wrote this damn function called '??'?
And why do my programs keep crashing in it?

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