diff mbox series

[v3,7/7] net/mlx5: support modify IPv6 flow label field

Message ID 20240226134556.2985054-8-michaelba@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Raslan Darawsheh
Headers
Series net/mlx5: support copy from inner fields |

Checks

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ci/checkpatch success coding style OK
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ci/loongarch-unit-testing success Unit Testing PASS
ci/Intel-compilation success Compilation OK
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ci/iol-unit-amd64-testing success Testing PASS
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ci/iol-intel-Functional success Functional Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-broadcom-Performance success Performance Testing PASS
ci/iol-broadcom-Functional success Functional Testing PASS

Commit Message

Michael Baum Feb. 26, 2024, 1:45 p.m. UTC 
  Add HW steering support for IPv6 flow label field modification.
Copy from inner IPv6 flow label field is also supported using "level=2".

Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
---
 doc/guides/rel_notes/release_24_03.rst |  1 +
 drivers/net/mlx5/mlx5_flow_dv.c        | 12 ++++++++++++
 drivers/net/mlx5/mlx5_flow_hw.c        |  1 +
 3 files changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/doc/guides/rel_notes/release_24_03.rst b/doc/guides/rel_notes/release_24_03.rst
index c2fc22ed66..ff9c6552e4 100644
--- a/doc/guides/rel_notes/release_24_03.rst
+++ b/doc/guides/rel_notes/release_24_03.rst
@@ -128,6 +128,7 @@  New Features
   * Added support for modifying IPv4 proto field in HWS flow engine.
   * Added support for modifying IPsec ESP fields in HWS flow engine.
   * Added support for modifying IPv6 traffic class field in HWS flow engine.
+  * Added support for modifying IPv6 flow label field in HWS flow engine.
   * Added support for matching a random value.
   * Added support for comparing result between packet fields or value.
   * Added support for accumulating value of field into another one.
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 2c0c8e37f7..75a8a223ab 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -1394,6 +1394,8 @@  mlx5_flow_item_field_width(struct rte_eth_dev *dev,
 		return 32;
 	case RTE_FLOW_FIELD_IPV6_DSCP:
 		return 6;
+	case RTE_FLOW_FIELD_IPV6_FLOW_LABEL:
+		return 20;
 	case RTE_FLOW_FIELD_IPV6_TRAFFIC_CLASS:
 	case RTE_FLOW_FIELD_IPV6_HOPLIMIT:
 	case RTE_FLOW_FIELD_IPV6_PROTO:
@@ -1806,6 +1808,16 @@  mlx5_flow_field_id_to_modify_info
 		else
 			info[idx].offset = off_be;
 		break;
+	case RTE_FLOW_FIELD_IPV6_FLOW_LABEL:
+		MLX5_ASSERT(data->offset + width <= 20);
+		off_be = 20 - (data->offset + width);
+		modi_id = CALC_MODI_ID(IPV6_FLOW_LABEL, data->level);
+		info[idx] = (struct field_modify_info){4, 0, modi_id};
+		if (mask)
+			mask[idx] = flow_modify_info_mask_32(width, off_be);
+		else
+			info[idx].offset = off_be;
+		break;
 	case RTE_FLOW_FIELD_IPV6_PAYLOAD_LEN:
 		MLX5_ASSERT(data->offset + width <= 16);
 		off_be = 16 - (data->offset + width);
diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c
index 9d4fdb06c1..254273e0fb 100644
--- a/drivers/net/mlx5/mlx5_flow_hw.c
+++ b/drivers/net/mlx5/mlx5_flow_hw.c
@@ -5068,6 +5068,7 @@  flow_hw_validate_modify_field_level(const struct rte_flow_field_data *data,
 	case RTE_FLOW_FIELD_IPV4_SRC:
 	case RTE_FLOW_FIELD_IPV4_DST:
 	case RTE_FLOW_FIELD_IPV6_TRAFFIC_CLASS:
+	case RTE_FLOW_FIELD_IPV6_FLOW_LABEL:
 	case RTE_FLOW_FIELD_IPV6_PAYLOAD_LEN:
 	case RTE_FLOW_FIELD_IPV6_HOPLIMIT:
 	case RTE_FLOW_FIELD_IPV6_SRC: