table of contents
mlx5dv_create_flow_action_modify_header(3) | mlx5dv_create_flow_action_modify_header(3) |
NAME¶
mlx5dv_create_flow_action_modify_header - Flow action modify header for mlx5 provider
SYNOPSIS¶
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#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)
DESCRIPTION¶
Create a modify header flow steering action, it allows mutating a packet header.
ARGUMENTS¶
- 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
RETURN VALUE¶
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.