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Libbpf userspace function bpf_map__set_key_size

0.1.0

Set the size of the key of a BPF map.

Definition

int bpf_map__set_key_size(struct bpf_map *map, __u32 size);

Parameters

  • map: Pointer to the BPF map.
  • size: Size of the key of the BPF map in bytes.

Return

0 on success, a negative error in case of failure.

Usage

Changing the size of the key of a BPF map can only be done before it is loaded.

Example

Docs could be improved

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