[PATCH v2 7/8] net/mlx5: add modify IPv6 protocol implementation
Rongwei Liu
rongweil at nvidia.com
Thu Jan 19 04:11:38 CET 2023
Add HWS modify IPv6 protocol implementation.
Signed-off-by: Rongwei Liu <rongweil at nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
---
drivers/common/mlx5/mlx5_prm.h | 1 +
drivers/net/mlx5/mlx5_flow_dv.c | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index ce6cd98fd7..497f2622b2 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -759,6 +759,7 @@ enum mlx5_modification_field {
MLX5_MODI_OUT_IP_ECN = 0x73,
MLX5_MODI_TUNNEL_HDR_DW_1 = 0x75,
MLX5_MODI_GTPU_FIRST_EXT_DW_0 = 0x76,
+ MLX5_MODI_OUT_IPV6_NEXT_HDR = 0x4A,
};
/* Total number of metadata reg_c's. */
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 7ca909999b..e972a2dc5a 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -1357,6 +1357,7 @@ mlx5_flow_item_field_width(struct rte_eth_dev *dev,
case RTE_FLOW_FIELD_IPV6_DSCP:
return 6;
case RTE_FLOW_FIELD_IPV6_HOPLIMIT:
+ case RTE_FLOW_FIELD_IPV6_PROTO:
return 8;
case RTE_FLOW_FIELD_IPV6_SRC:
case RTE_FLOW_FIELD_IPV6_DST:
@@ -1883,6 +1884,15 @@ mlx5_flow_field_id_to_modify_info
info[idx].offset = data->offset;
}
break;
+ case RTE_FLOW_FIELD_IPV6_PROTO:
+ MLX5_ASSERT(data->offset + width <= 8);
+ off_be = 8 - (data->offset + width);
+ info[idx] = (struct field_modify_info){1, 0, MLX5_MODI_OUT_IPV6_NEXT_HDR};
+ if (mask)
+ mask[idx] = flow_modify_info_mask_8(width, off_be);
+ else
+ info[idx].offset = off_be;
+ break;
case RTE_FLOW_FIELD_POINTER:
case RTE_FLOW_FIELD_VALUE:
default:
--
2.27.0
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