mlx5dv_create_flow_action_modify_header - Man Page

#include <infiniband/mlx5dv.h>

struct ibv_flow_action *
mlx5dv_create_flow_action_modify_header(struct ibv_context *ctx,
                    size_t actions_sz,
                    uint64_t actions[],
                    enum mlx5dv_flow_table_type ft_type)

Create a modify header flow steering action, it allows mutating a packet header.

ctx

RDMA device context to create the action on.

actions_sz

The size of actions buffer in bytes.

actions

A buffer which contains modify actions provided in device spec format (i.e. be64).

ft_type

Defines the flow table type to which the modify header action will be attached.

MLX5DV_FLOW_TABLE_TYPE_NIC_RX: RX FLOW TABLE

MLX5DV_FLOW_TABLE_TYPE_NIC_TX: TX FLOW TABLE

Upon success mlx5dv_create_flow_action_modify_header will return a new struct ibv_flow_action object, on error NULL will be returned and errno will be set.

ibv_create_flow(3), ibv_create_flow_action(3)

mlx5dv_create_flow(3), mlx5dv_dr_flow(3).