On 06/20/2017 07:01 AM, Andrew Lunn wrote:
> On Tue, Jun 20, 2017 at 10:06:54AM +0200, John Crispin wrote:
>> RPS and probably other kernel features are currently broken on some if not
>> all DSA devices. The root cause of this that skb_hash will call the
>> flow_disector.
> 
> Hi John
> 
> What is the call path when the flow_disector is called? I'm wondering
> if we can defer this, and call it later, after the tag code has
> removed the header.

Would not you usually want to configure RPS at the DSA network device
level where the switch tag has already been popped and you are
processing a regular Ethernet frame at that point?
-- 
Florian

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