mlx5dv_flow_action_esp - Online Linux Manual PageSection : 3
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NAMEmlx5dv_flow_action_esp - Flow action esp for mlx5 provider

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SYNOPSIS #include <infiniband/mlx5/mlx5dv.h> struct ibv_flow_action * mlx5dv_create_flow_action_esp(struct ibv_context *ctx, struct ibv_flow_action_esp_attr *esp, struct mlx5dv_flow_action_esp *mlx5_attr);

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DESCRIPTIONCreate an IPSEC ESP flow steering action. This verb is identical to ibv_create_flow_action_esp verb, but allows mlx5 specific flags.

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ARGUMENTSPlease see(3) man page for ctx and esp.

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mlx5_attr argument struct mlx5dv_flow_action_esp { uint64_t comp_mask; /* Use enum mlx5dv_flow_action_esp_mask */ uint32_t action_flags; /* Use enum mlx5dv_flow_action_flags */ }; comp_mask  Bitmask specifying what fields in the structure are valid (enum mlx5dv_flow_action_esp_mask). action_flags  A bitwise OR of the various values described below. MLX5DV_FLOW_ACTION_FLAGS_REQUIRE_METADATA: Each received and transmitted packet using offload is expected to carry metadata in the form of a L2 header with ethernet type 0x8CE4, followed by 6 bytes of data and the original packet ethertype.

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NOTEThe ESN is expected to be placed in the IV field for egress packets. The 64 bit sequence number is written in big-endian over the 64 bit IV field. There is no need to call modify to update the ESN window on egress when this DV is used.

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SEE ALSOibv_flow_action_esp(3), RFC 4106 0

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