diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index df8360425b..30a89c2f6f 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -311,6 +311,50 @@ struct mlx5_devx_virtio_q_couners_attr {
 	uint32_t invalid_buffer;
 };
 
+/*
+ * graph flow match sample attributes structure,
+ * used by flex parser operations.
+ */
+struct mlx5_devx_match_sample_attr {
+	uint32_t flow_match_sample_en:1;
+	uint32_t flow_match_sample_field_offset:16;
+	uint32_t flow_match_sample_offset_mode:4;
+	uint32_t flow_match_sample_field_offset_mask;
+	uint32_t flow_match_sample_field_offset_shift:4;
+	uint32_t flow_match_sample_field_base_offset:8;
+	uint32_t flow_match_sample_tunnel_mode:3;
+	uint32_t flow_match_sample_field_id;
+};
+
+/* graph node arc attributes structure, used by flex parser operations. */
+struct mlx5_devx_graph_arc_attr {
+	uint32_t compare_condition_value:16;
+	uint32_t start_inner_tunnel:1;
+	uint32_t arc_parse_graph_node:8;
+	uint32_t parse_graph_node_handle;
+};
+
+/* Maximal number of samples per graph node. */
+#define MLX5_GRAPH_NODE_SAMPLE_NUM 8
+
+/* Maximal number of input/output arcs per graph node. */
+#define MLX5_GRAPH_NODE_ARC_NUM 8
+
+/* parse graph node attributes structure, used by flex parser operations. */
+struct mlx5_devx_graph_node_attr {
+	uint32_t modify_field_select;
+	uint32_t header_length_mode:4;
+	uint32_t header_length_base_value:16;
+	uint32_t header_length_field_shift:4;
+	uint32_t header_length_field_offset:16;
+	uint32_t header_length_field_mask;
+	struct mlx5_devx_match_sample_attr sample[MLX5_GRAPH_NODE_SAMPLE_NUM];
+	uint32_t next_header_field_offset:16;
+	uint32_t next_header_field_size:5;
+	struct mlx5_devx_graph_arc_attr in[MLX5_GRAPH_NODE_ARC_NUM];
+	struct mlx5_devx_graph_arc_attr out[MLX5_GRAPH_NODE_ARC_NUM];
+};
+
 /* mlx5_devx_cmds.c */
 
 __rte_internal
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index d989b7de14..bc7bf3ef22 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -2793,6 +2793,36 @@ enum {
 /* The bits meter color use. */
 #define MLX5_MTR_COLOR_BITS 8
 
+/* Length mode of dynamic flex parser graph node. */
+enum mlx5_parse_graph_node_len_mode {
+	MLX5_GRAPH_NODE_LEN_FIXED = 0x0,
+	MLX5_GRAPH_NODE_LEN_FIELD = 0x1,
+	MLX5_GRAPH_NODE_LEN_BITMASK = 0x2,
+};
+
+/* Offset mode of the samples of flex parser. */
+enum mlx5_parse_graph_flow_match_sample_offset_mode {
+	MLX5_GRAPH_SAMPLE_OFFSET_FIXED = 0x0,
+	MLX5_GRAPH_SAMPLE_OFFSET_FIELD = 0x1,
+	MLX5_GRAPH_SAMPLE_OFFSET_BITMASK = 0x2,
+};
+
+/* Node index for an input / output arc of the flex parser graph. */
+enum mlx5_parse_graph_arc_node_index {
+	MLX5_GRAPH_ARC_NODE_NULL = 0x0,
+	MLX5_GRAPH_ARC_NODE_HEAD = 0x1,
+	MLX5_GRAPH_ARC_NODE_MAC = 0x2,
+	MLX5_GRAPH_ARC_NODE_IP = 0x3,
+	MLX5_GRAPH_ARC_NODE_GRE = 0x4,
+	MLX5_GRAPH_ARC_NODE_UDP = 0x5,
+	MLX5_GRAPH_ARC_NODE_MPLS = 0x6,
+	MLX5_GRAPH_ARC_NODE_TCP = 0x7,
+	MLX5_GRAPH_ARC_NODE_VXLAN_GPE = 0x8,
+	MLX5_GRAPH_ARC_NODE_GENEVE = 0x9,
+	MLX5_GRAPH_ARC_NODE_IPSEC_ESP = 0xa,
+	MLX5_GRAPH_ARC_NODE_PROGRAMMABLE = 0x1f,
+};
+
 /**
  * Convert a user mark to flow mark.
  *
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 9b29e3c4b9..61abe4a51f 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -600,7 +600,7 @@ enum mlx5_flex_parser_profile_id {
 struct mlx5_flex_parser_profiles {
 	uint32_t num;		/* Actual number of samples. */
 	uint32_t ids[8];	/* Sample IDs for this profile. */
-	uint8_t offset[8];      /* Bytes offset of each parser. */
+	uint8_t offset[8];	/* Bytes offset of each parser. */
 	void *obj;		/* Flex parser node object. */
 };