[dpdk-users] mlx5 flow MARK action does not work with RSS

[Shahaf Shuler]

Thursday, January 31, 2019 2:55 PM, Tom Barbette:
> Subject: Re: [dpdk-users] mlx5 flow MARK action does not work with RSS
> 
> On 2019-01-31 09:30, Tom Barbette wrote:
> > I therefore tried different things and found that the problem was a
> > misconfiguration of the RSS action. Thanks!
> >
> 
> Actually, it was because the rule installation fails when the flow is not
> classifying on "ipv4", because of the RSS parameter.
> 
> testpmd> flow create 0 ingress pattern eth type is 0x0800 / end actions
> mark id 1 / rss / end
> Caught error type 1 (cause unspecified): hardware refuses to create
> flow: Invalid argument
> 
> testpmd> flow create 0 ingress pattern eth type is 0x0800 / ipv4 / end
> actions mark id 1 / rss / end
> Flow rule #0 created
> 
> Isn't it technically possible to have a "default" action? Mark the flow then let
> the packet be as usual?

Not sure what you mean here by packet be as usual? 

 That would be so much better than tracking which
> rules classify which protocol and change the action according to that... The
> NIC does it by itself already...

What is the functionally you seek? It will much help to propose a solution. 

> 
> Thanks,
> Tom