Libbpf userspace function bpf_prog_query

0.0.1

Queries the BPF programs and BPF links which are attached to target which can represent a file descriptor or netdevice ifindex.

Definition

int bpf_prog_query(int target_fd, enum bpf_attach_type type, __u32 query_flags, __u32 *attach_flags, __u32 *prog_ids, __u32 *prog_cnt);

Parameters

• target: query location file descriptor or ifindex
• type: attach type for the BPF program

Return

0, on success; negative error code, otherwise (errno is also set to the error code)

Usage

Docs could be improved

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

Example

Docs could be improved

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