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Libbpf userspace function bpf_map_get_next_id

0.0.1

Low level wrapper around the BPF_MAP_GET_NEXT_ID syscall command.

Definition

int bpf_map_get_next_id(__u32 start_id, __u32 *next_id);

Parameters

  • start_id: map ID to start from
  • next_id: next map ID

Return

0, on success; negative error code, otherwise

Usage

This function allows you to iterate over loaded BPF maps. It returns the next map ID after the start_id provided. If start_id is 0, the first map ID is returned.

Example

Docs could be improved

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