[ovs-dev] Doubt regarding packet registers

Faseela K faseela.k at ericsson.com
Fri Jun 10 06:05:27 UTC 2016


Thanks Ben!
The last question is not valid if the answer to first question is Yes.

Thanks,
Faseela

-----Original Message-----
From: Ben Pfaff [mailto:blp at ovn.org] 
Sent: Friday, June 10, 2016 8:55 AM
To: Faseela K
Cc: ovs dev
Subject: Re: [ovs-dev] Doubt regarding packet registers

On Thu, Jun 09, 2016 at 11:38:46PM +0000, Faseela K wrote:
>    I would like to know the difference in behavior between metadata field and packet register.
>    Is register a per-packet entity like metadata field?

Yes.

> If there is an action to copy metadata value to a packet register, 
> will there be any performance impact on the packet processing 
> pipeline,

No.

> since each packet matching on this flow has to access the register 
> sequentially?

I don't understand this part.



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