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Re: zero copy and scatter gather nic cards



On Mon, Dec 04, 2000 at 10:02:28AM -0600, Cagle, John wrote:
> > From: Zach Brown [mailto:zab@zabbo.net]
> > 
> > recent eepro100s can do ip csumming , but I'm not sure anyone has
> > convinced intel to admit to to it or done the hacking themselves to
> > figure it out.
> > 
> 
> Intel's 'e100' driver (for the 8255x's) will do TCP/UDP checksum offloading
> -- you can read about it here:

Unfortunately it is RX only (and the RX version is even rather inefficiently
implemented). For zero copy TCP without cached checksums TX checksumming is 
important too. 

-Andi





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