diff mbox series

[v2] doc: fix modify field action description for mlx5

Message ID 20220224160136.20039-1-viacheslavo@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Raslan Darawsheh
Headers show
Series [v2] doc: fix modify field action description for mlx5 | expand

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Commit Message

Slava Ovsiienko Feb. 24, 2022, 4:01 p.m. UTC
This patch adds mlx5 specifics description about
handling the Ethernet type by modify field action
for VLAN-ed traffic.

Fixes: 641dbe4fb053 ("net/mlx5: support modify field flow action")
Cc: stable@dpdk.org

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
 doc/guides/nics/mlx5.rst | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Raslan Darawsheh March 10, 2022, 9:23 a.m. UTC | #1
Hi,

> -----Original Message-----
> From: Slava Ovsiienko <viacheslavo@nvidia.com>
> Sent: Thursday, February 24, 2022 6:02 PM
> To: dev@dpdk.org
> Cc: ferruh.yigit@intel.com; Xueming(Steven) Li <xuemingl@nvidia.com>;
> Raslan Darawsheh <rasland@nvidia.com>; Matan Azrad
> <matan@nvidia.com>; stable@dpdk.org
> Subject: [PATCH v2] doc: fix modify field action description for mlx5
> 
> This patch adds mlx5 specifics description about handling the Ethernet type
> by modify field action for VLAN-ed traffic.
> 
> Fixes: 641dbe4fb053 ("net/mlx5: support modify field flow action")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh
diff mbox series

Patch

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 7b04e9bac5..7fe3855175 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -407,6 +407,11 @@  Limitations
   - Modification of the 802.1Q Tag, VXLAN Network or GENEVE Network ID's is not supported.
   - Encapsulation levels are not supported, can modify outermost header fields only.
   - Offsets must be 32-bits aligned, cannot skip past the boundary of a field.
+  - if the field type is RTE_FLOW_FIELD_MAC_TYPE and packet contains one
+    or more VLAN headers, the meaningful type field following the last
+    VLAN header is used as modify field operation argument. The modify field
+    action is not intended to modify VLAN headers type field, dedicated VLAN
+    push and pop actions should be used instead.
 
 - IPv6 header item 'proto' field, indicating the next header protocol, should
   not be set as extension header.