On Fri, Aug 22, 2008 at 03:42:17AM -0700, David Miller wrote:
quoted text
> 
> I had another idea in the back of my head that I wanted to mention.
> 
> The SKB has a hash, and sources set the hash.  It doesn't matter
> where in the stack it comes from.

Yes this sounds great!
 
quoted text
> So in the simplest case for forwarding, the RX side puts the RSS
> hash or whatever into this SKB hash location.

This works on all the routers.

quoted text
> Then, taking things to the next level, protocols set hashes for
> locally created packets.  And this leads to being able to delete
> the simple_tx_hash() code entirely and also we won't have to add
> support for every protocol on the planet to that function. :)

And this takes care of the hosts.

Best of all it's per flow and we don't even need to add any new
infrastructure :)

Thanks,
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