Re: [PATCH net-next] hv_netvsc: don't make assumptions on struct flow_keys layout

From: David Miller
Date: Thu Jan 14 2016 - 17:06:31 EST


From: Tom Herbert <tom@xxxxxxxxxxxxxxx>
Date: Thu, 14 Jan 2016 13:44:24 -0800

> The fact that we can negatively affect the output of Toeplitz so
> predictably is actually a liability and not a benefit. This sort of
> thing can be the basis of a DOS attack and is why we kicked out XOR
> hash in favor of Jenkins.

+1

Toeplitz should not be used for any software calculated flow hash
whatsoever.