Messages in this thread | | | Date | Mon, 4 Sep 2000 09:33:46 -0600 | From | Richard Gooch <> | Subject | Re: zero-copy TCP |
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Jes Sorensen writes: > >>>>> "Richard" == Richard Gooch <rgooch@ras.ucalgary.ca> writes: > > Richard> Andrew Morton writes: > >> All of them except the 3c905 provide hardware Rx and Tx > >> checksumming of IP, TCP and UDP headers. No 64 bit addressing > >> support. > > Richard> And does the driver support it? Has anyone benchmarked the > Richard> performance difference (if any)? > > There isn't much gain from using it when we can't do zero copy xmits > in the first place. It might be worth enabling for receive though.
I thought you said some of the GigE drivers supported this? Or were you just saying that the GigE cards were some of the few which supported scatter/gather DMA and IP checksumming?
Regards,
Richard.... Permanent: rgooch@atnf.csiro.au Current: rgooch@ras.ucalgary.ca - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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