[PATCH 1/3] lib: dpdk spec to skip red for ingress policer

[Ori Kam]

Hi All,

> -----Original Message-----
> From: Jerin Jacob <jerinjacobk at gmail.com>
> Sent: Thursday, 22 December 2022 7:27
> 
> On Thu, Dec 22, 2022 at 8:32 AM Stephen Hemminger
> <stephen at networkplumber.org> wrote:
> >
> > On Thu, 22 Dec 2022 07:09:02 +0530
> > Rakesh Kudurumalla <rkudurumalla at marvell.com> wrote:
> >
> > > Dropping of packets based on RED can be skipped
> > > with meter action, when RED is configured using
> > > rte_eth_cman_config_set()
> > >
> > > Signed-off-by: Rakesh Kudurumalla <rkudurumalla at marvell.com>
> >
> > Should this be more general and apply to all congestion
> > management options. Assuming the hardware can do something
> > better than RED.
> 
> Yes. We can use "enum rte_cman_mode mode" in the descriptor to future-
> proof.

I'm missing the idea of this new action,
I understand that is related to Jerin congestion patches.
But I fail to see why we need it? Is it to mark some metadata that will
have some effect on the congestion result? (I assume the system is implemented in the HW)