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SubjectRe: sendfile support in linux
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.


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