net/mlx5: Add sampler destination type

The flow sampler object is a new destination type. Add a new member
for the flow destination.

Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c

@@ -247,6 +247,9 @@ const char *parse_fs_dst(struct trace_seq *p,
 	case MLX5_FLOW_DESTINATION_TYPE_TIR:
 		trace_seq_printf(p, "tir=%u\n", dst->tir_num);
 		break;
+	case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER:
+		trace_seq_printf(p, "sampler_id=%u\n", dst->sampler_id);
+		break;
 	case MLX5_FLOW_DESTINATION_TYPE_COUNTER:
 		trace_seq_printf(p, "counter_id=%u\n", counter_id);
 		break;

drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c

@@ -515,6 +515,9 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
 						 dst->dest_attr.vport.pkt_reformat->id);
 				}
 				break;
+			case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER:
+				id = dst->dest_attr.sampler_id;
+				break;
 			default:
 				id = dst->dest_attr.tir_num;
 			}

include/linux/mlx5/fs.h

@@ -132,6 +132,7 @@ struct mlx5_flow_destination {
 			struct mlx5_pkt_reformat *pkt_reformat;
 			u8		flags;
 		} vport;
+		u32			sampler_id;
 	};
 };
 

include/linux/mlx5/mlx5_ifc.h

@@ -1616,6 +1616,7 @@ enum mlx5_flow_destination_type {
 	MLX5_FLOW_DESTINATION_TYPE_VPORT        = 0x0,
 	MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE   = 0x1,
 	MLX5_FLOW_DESTINATION_TYPE_TIR          = 0x2,
+	MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER = 0x6,
 
 	MLX5_FLOW_DESTINATION_TYPE_PORT         = 0x99,
 	MLX5_FLOW_DESTINATION_TYPE_COUNTER      = 0x100,