_id - Linux

Symbol: _id

drivers/net/ethernet/marvell/octeontx2/af/mbox.h

#define M(_name, _id, _1, _2, _3) MBOX_MSG_ ## _name = _id,

kernel/bpf/btf.c

#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \

kernel/bpf/btf.c

__ctx_convert##_id,