On Thu, Nov 16, 2017 at 04:12:43PM +0100, Cristian Klein wrote: > > Does somebody know the rationale for this? Is it because IPv4 > options are rarely used, hence implementing GRO in that case does > not pay off or are there some caveats? Specifically would it make
Precisely. GRO is about optimising for the common case. At the time there was no impetus to support IP options. > sense to do GRO when the IPv4 options are byte-identical in > consecutive packets? Yes there is no reason why we can't do this. As long as it doesn't penalise the non-IP-option case too much. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt