[v7] doc: add metering limitation in mlx5 guide
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Commit Message
A meter policy with RSS/Queue action is not supported
when dv_xmeta_en enabled.
When dv_xmeta_en enabled in legacy creating flow,
it will split into two flows
(one set_tag with jump flow and one RSS/queue action flow).
For meter policy as termination table,
it cannot split flow and
cannot support when dv_xmeta_en enabled.
Fixes: 51ec04d ("net/mlx5: connect meter policy to created flows")
Cc: stable@dpdk.org
Signed-off-by: Li Zhang <lizh@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
doc/guides/nics/mlx5.rst | 1 +
1 file changed, 1 insertion(+)
Comments
Hi,
> -----Original Message-----
> From: Li Zhang <lizh@nvidia.com>
> Sent: Wednesday, October 27, 2021 12:14 PM
> To: Ori Kam <orika@nvidia.com>; Slava Ovsiienko
> <viacheslavo@nvidia.com>; Matan Azrad <matan@nvidia.com>; Shahaf
> Shuler <shahafs@nvidia.com>; Shun Hao <shunh@nvidia.com>
> Cc: dev@dpdk.org; NBU-Contact-Thomas Monjalon
> <thomas@monjalon.net>; Raslan Darawsheh <rasland@nvidia.com>; Roni
> Bar Yanai <roniba@nvidia.com>; stable@dpdk.org
> Subject: [PATCH v7] doc: add metering limitation in mlx5 guide
>
> A meter policy with RSS/Queue action is not supported when dv_xmeta_en
> enabled.
>
> When dv_xmeta_en enabled in legacy creating flow, it will split into two
> flows (one set_tag with jump flow and one RSS/queue action flow).
> For meter policy as termination table,
> it cannot split flow and
> cannot support when dv_xmeta_en enabled.
>
> Fixes: 51ec04d ("net/mlx5: connect meter policy to created flows")
> Cc: stable@dpdk.org
>
> Signed-off-by: Li Zhang <lizh@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>
Patch applied to next-net-mlx,
Kindest regards,
Raslan Darawsheh
@@ -435,6 +435,7 @@ Limitations
- yellow: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK and SET_TAG.
- RED: must be DROP.
- Policy actions of RSS for green and yellow should have the same configuration except queues.
+ - Policy with RSS/queue action is not supported when ``dv_xmeta_en`` enabled.
- meter profile packet mode is supported.
- meter profiles of RFC2697, RFC2698 and RFC4115 are supported.