Constant BPF_F_INDEX_MASK

pub const BPF_F_INDEX_MASK: u64 = 0xffff_ffff; // 4_294_967_295u64

Available on crate feature dep_nc only.

BPF_FUNC_perf_event_output, BPF_FUNC_perf_event_read and BPF_FUNC_perf_event_read_value flags.