From: Lorenzo Colitti <lore...@google.com> Date: Sun, 29 Nov 2015 17:37:11 +0900
> On Wed, Nov 25, 2015 at 5:32 AM, Matt Bennett > <matt.benn...@alliedtelesis.co.nz> wrote: >> I'm emailing this list for feedback on the feasibility of increasing >> skb->mark or adding a new field for marking. Perhaps this extension >> could be done under a new CONFIG option. > > 64-bit marks (both skb->mark and sk->sk_mark) would be useful for > hosts doing complex policy routing as well. Current Android releases > use 20 of the 32 bits. If the mark were 64 bits, we could put the UID > in it, and stop using ip rules to implement per-UID routing. If you guys, really anyone, can find a way to remove some other 32-bit item from sk_buff, you can expand skb->mark to 64-bits. But otherwise, I'm going to be strongly against it. sk_buff is already enormous and larger than it should be. So I'm going to resist any change that makes it even larger. Thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
