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From: jlnance@unity.ncsu.edu
To: linux-kernel@vger.kernel.org
Subject: Re: sendfile support in linux
Date: Tue, 28 Jan 2003 08:16:00 -0500	[thread overview]
Message-ID: <20030128131600.GA2946@ncsu.edu> (raw)
In-Reply-To: <057889C7F1E5D61193620002A537E8690B4387@NCBDC>

On Mon, Jan 27, 2003 at 05:45:20PM -0800, Stanley Yee wrote:
> I'm trying to find out more about sendfile(2).  So far, from what I've
> gathered, it sounds like the requirements for it are (please correct me if
> I'm wrong):
> 
> 1.  A kernel with sendfile support (i.e. 2.4.X)
> 2.  A network card capable of doing the TCP checksum in the hardware
> 3.  The application must support sendfile 

I believe that 2 is only necessary for zero-copy sendfile.  The system
call will work regardless of whether the network card does the TCP
checksum or not.

Thanks,

Jim

  parent reply	other threads:[~2003-01-28 13:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-28  1:45 sendfile support in linux Stanley Yee
2003-01-28  9:32 ` Gianni Tedesco
2003-01-28 13:16 ` jlnance [this message]
2003-01-28 17:22 ` Oliver Xymoron

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