On Wed, Aug 08, 2007 at 03:49:00AM -0700, David Miller wrote: > > Not because I think it obviates your work, but rather because I'm > curious, could you test a TSO-in-hardware driver converted to > batching and see how TSO alone compares to batching for a pure > TCP workload?
You could even lower the bar by disabling TSO and enabling software GSO. > I personally don't think it will help for that case at all as > TSO likely does better job of coalescing the work _and_ reducing > bus traffic as well as work in the TCP stack. I agree. I suspect the bulk of the effort is in getting these skb's created and processed by the stack so that by the time that they're exiting the qdisc there's not much to be saved anymore. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html