[PATCH v2 2/2] net/mlx5: add MPLS tunnel support for HWS

[Michael Baum]

Add support for MPLS tunnel item in HWS.

Signed-off-by: Michael Baum <michaelba at nvidia.com>
Acked-by: Ori Kam <orika at nvidia.com>
---
 doc/guides/nics/mlx5.rst               | 4 ++++
 doc/guides/rel_notes/release_23_03.rst | 1 +
 drivers/net/mlx5/mlx5_flow_hw.c        | 1 +
 3 files changed, 6 insertions(+)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index f9b3d43378..4142933b0d 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -245,6 +245,10 @@ Limitations
 
 - L3 VXLAN and VXLAN-GPE tunnels cannot be supported together with MPLSoGRE and MPLSoUDP.
 
+- MPLSoGRE is not supported in HW steering (``dv_flow_en`` = 2).
+
+- MPLSoUDP with multiple MPLS headers is only supported in HW steering (``dv_flow_en`` = 2).
+
 - Match on Geneve header supports the following fields only:
 
      - VNI
diff --git a/doc/guides/rel_notes/release_23_03.rst b/doc/guides/rel_notes/release_23_03.rst
index 2ca30b3b49..8a3988c033 100644
--- a/doc/guides/rel_notes/release_23_03.rst
+++ b/doc/guides/rel_notes/release_23_03.rst
@@ -114,6 +114,7 @@ New Features
 * **Updated NVIDIA mlx5 driver.**
 
   * Added support for matching on ICMPv6 ID and sequence fields.
+  * Added support for MPLSoUDP in hardware steering.
 
 * **Updated Wangxun ngbe driver.**
 
diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c
index a9c7045a3e..80d4beeecd 100644
--- a/drivers/net/mlx5/mlx5_flow_hw.c
+++ b/drivers/net/mlx5/mlx5_flow_hw.c
@@ -4733,6 +4733,7 @@ flow_hw_pattern_validate(struct rte_eth_dev *dev,
 		case RTE_FLOW_ITEM_TYPE_GTP:
 		case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 		case RTE_FLOW_ITEM_TYPE_VXLAN:
+		case RTE_FLOW_ITEM_TYPE_MPLS:
 		case MLX5_RTE_FLOW_ITEM_TYPE_SQ:
 		case RTE_FLOW_ITEM_TYPE_GRE:
 		case RTE_FLOW_ITEM_TYPE_GRE_KEY:
-- 
2.25.1