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SubjectRe: GSO with udp_tunnel_xmit_skb
On Sun, Nov 08, 2015 at 11:36:53AM +0100, Jason A. Donenfeld wrote:
>
> Wouldn't there be some significant savings from bundling together
> several UDP packets meant for the same destination, and sending those
> all as one super-packet, so they don't each have to traverse the whole
> networking and netfilter stack? By asking that question, it doesn't
> feel as though I've come up with a new idea; is there a reason why
> that isn't implemented or why (if) it was rejected?

UDP carries no ordering information so this doesn't work.

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


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