Libbpf userspace function bpf_program__attach_sockmap

1.5.0

Attach a BPF_PROG_TYPE_SK_SKB or BPF_PROG_TYPE_SK_MSG program to a BPF_MAP_TYPE_SOCKMAP or BPF_MAP_TYPE_SOCKHASH map.

Definition

struct bpf_link * bpf_program__attach_sockmap(const struct bpf_program *prog, int map_fd);

Parameters

• prog: BPF program to attach
• map_fd: file descriptor of the BPF_MAP_TYPE_SOCKMAP or BPF_MAP_TYPE_SOCKHASH map.

Return

Reference to the newly created BPF link; or NULL is returned on error, error code is stored in errno

Usage

Docs could be improved

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Example

Docs could be improved

This part of the docs is incomplete, contributions are very welcome