Zero copy TCP

Joel Sherrill joel.sherrill at
Thu Sep 20 21:46:37 UTC 2007

Paul Black wrote:
> I've been looking at the RTEMS code to see if there's a zero copy TCP
> interface or if it would be easy to add one.
> The code in c/src/nfsclient/src/sock_mbuf.c seems to be what I'm looking
> for. The code that uses it (rpcio.c) uses it with UDP sockets. Has
> anyone tried using this code with TCP sockets? Is it likely that this
> will work with a TCP socket?
I don't know the answer but ...

You could always try it on a loopback device and run it on
a simulator BSP.  That way you could just trace down to make
sure it is doing what you think.

> Cheers

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