From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: Jerin Jacob <jerinjacobk@gmail.com>
Cc: Ori Kam <orika@nvidia.com>, Jerin Jacob <jerinj@marvell.com>,
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Subject: Re: [dpdk-dev] [RFC PATCH] ethdev: support priority based flow control
Date: Tue, 23 Nov 2021 11:07:47 -0800 [thread overview]
Message-ID: <CACZ4nhvrV+8JTO2qHZuZW9jOZxaYy0QYS=-LSARp0+wz6wk3ZQ@mail.gmail.com> (raw)
In-Reply-To: <CALBAE1O3LL2SGDbHj=skRAhd32JhA+c+4OAQ_544d_Gibs3fCQ@mail.gmail.com>
On Tue, Nov 23, 2021 at 2:58 AM Jerin Jacob <jerinjacobk@gmail.com> wrote:
>
> On Sun, Nov 21, 2021 at 3:20 PM Ori Kam <orika@nvidia.com> wrote:
> >
> > Hi Jerin,
>
> Hi Ori,
>
> >
> > Sorry for my late response,
>
> Thanks for the review.
>
> >
> > > -----Original Message-----
> > > From: Jerin Jacob <jerinjacobk@gmail.com>
> > > Sent: Wednesday, November 17, 2021 11:49 AM
> > > To: Jerin Jacob <jerinj@marvell.com>
> > > Subject: Re: [dpdk-dev] [RFC PATCH] ethdev: support priority based flow control
> > >
> > > On Tue, Oct 5, 2021 at 6:32 PM <jerinj@marvell.com> wrote:
> > > >
> > > > From: Jerin Jacob <jerinj@marvell.com>
> > > >
> > > > rte_eth_dev_priority_flow_ctrl_set() based API is not generic as it
> > > > can not support other than VLAN priority mapping to PFC traffic class.
> > > >
> > > > Introducing RTE_FLOW_ACTION_TYPE_PFC_SET_TC rte_flow action to
> > > > set the traffic class as per 802.1Qbb specification. This will enable,
> > > > Traffic class(8bit) to be selected based on any packet field like DSCP.
> > > >
> > > > Also, making it as rte_flow action will enable fine control on
> > > > traffic class selection to a specific queue or VF etc.
> > > >
> > > > Signed-off-by: Jerin Jacob <jerinj@marvell.com>
> > >
> > > Ping. If there are no comments on RFC, Planning to send v1 for 22.02.
> >
> > All the set type of functions are going to be deprecated.
> > you should use RTE_FLOW_ACTION_TYPE_MODIFY_FIELD.
> >
> > What is the item that you are matching on when using rte_flow? Is it part of the tci in the vlan item?
>
> TC can be VLAN TCI field or DSCP field in IP header or any other field
> in packet.
> We need to set the traffic class as per 802.1Qbb specification, May I
> know how the "modify"
> attribute helps here. It should be a "set" operation. Right?
I think "set" is appropriate.
next prev parent reply other threads:[~2021-11-23 19:08 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-05 12:59 jerinj
2021-11-17 9:48 ` Jerin Jacob
2021-11-21 9:50 ` Ori Kam
2021-11-23 10:58 ` Jerin Jacob
2021-11-23 19:07 ` Ajit Khaparde [this message]
2021-11-24 9:31 ` Ori Kam
2021-11-24 10:48 ` Jerin Jacob
2021-11-24 16:00 ` Ori Kam
2021-11-25 11:12 ` Jerin Jacob
2021-11-25 14:02 ` Ori Kam
2021-11-26 6:46 ` Jerin Jacob
2021-11-28 11:31 ` Ori Kam
2021-11-28 11:37 ` Jerin Jacob
2021-11-29 14:54 ` Jerin Jacob
2021-12-04 17:30 ` Jerin Jacob
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