David Miller <[EMAIL PROTECTED]> wrote: > From: Shirley Ma <[EMAIL PROTECTED]> > Date: Tue, 15 May 2007 14:22:57 -0700 > >> I just wonder without TSO support in HW, how much benefit we >> can get by pushing GSO from interface layer to device layer besides >> we can do multiple packets in IPoIB. > > I bet the gain is non-trivial.
Yep, for any NIC that supports SG but not TSO then software GSO will be a big win. When the NIC doesn't support SG then the win is mostly offset by the need to copy the packet again. 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