On Mon, Sep 11, 2017 at 07:42:19AM +0000, Chandran, Sugesh wrote:
>
>
> Regards
> _Sugesh
>
>
> > -----Original Message-----
> > From: [email protected] [mailto:ovs-dev-
> > [email protected]] On Behalf Of Yuanhan Liu
> > Sent: Tuesday, September 5, 2017 10:23 AM
> > To: [email protected]
> > Subject: [ovs-dev] [PATCH v2 6/8] netdev-dpdk: retry with queue action
> >
> > From: Finn Christensen <[email protected]>
> >
> > AFAIK, most (if not all) NICs (including Mellanox and Intel) do not support
> > a
> > pure MARK action. It's required to be used together with some other
> > actions, like QUEUE.
> >
> > To workaround it, retry with a queue action when first try failed.
> [Sugesh] This means a NIC that doesn't support pure MARK, will
> do every flow install twice no matter how many times the flow install failed
> before for the same reason.
> The retry can be avoided if we know what a port/NIC can support. It leads to
> a need of feature discovery of a NIC
> at the init time.
I believe the reply I made to Simon answered all questions you asked above.
--yliu
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