ebpf

const (
	// BPF map type constants. Must match enum bpf_map_type from linux/bpf.h
	BPF_MAP_TYPE_UNSPEC           = 0
	BPF_MAP_TYPE_HASH             = 1
	BPF_MAP_TYPE_ARRAY            = 2
	BPF_MAP_TYPE_PROG_ARRAY       = 3
	BPF_MAP_TYPE_PERF_EVENT_ARRAY = 4
	BPF_MAP_TYPE_PERCPU_HASH      = 5
	BPF_MAP_TYPE_PERCPU_ARRAY     = 6
	BPF_MAP_TYPE_STACK_TRACE      = 7
	BPF_MAP_TYPE_CGROUP_ARRAY     = 8
	BPF_MAP_TYPE_LRU_HASH         = 9
	BPF_MAP_TYPE_LRU_PERCPU_HASH  = 10
	BPF_MAP_TYPE_LPM_TRIE         = 11
	BPF_MAP_TYPE_ARRAY_OF_MAPS    = 12
	BPF_MAP_TYPE_HASH_OF_MAPS     = 13
	BPF_MAP_TYPE_DEVMAP           = 14

	// BPF syscall command constants. Must match enum bpf_cmd from linux/bpf.h
	BPF_MAP_CREATE         = 0
	BPF_MAP_LOOKUP_ELEM    = 1
	BPF_MAP_UPDATE_ELEM    = 2
	BPF_MAP_DELETE_ELEM    = 3
	BPF_MAP_GET_NEXT_KEY   = 4
	BPF_PROG_LOAD          = 5
	BPF_OBJ_PIN            = 6
	BPF_OBJ_GET            = 7
	BPF_PROG_ATTACH        = 8
	BPF_PROG_DETACH        = 9
	BPF_PROG_TEST_RUN      = 10
	BPF_PROG_GET_NEXT_ID   = 11
	BPF_MAP_GET_NEXT_ID    = 12
	BPF_PROG_GET_FD_BY_ID  = 13
	BPF_MAP_GET_FD_BY_ID   = 14
	BPF_OBJ_GET_INFO_BY_FD = 15

	// Flags for BPF_MAP_UPDATE_ELEM. Must match values from linux/bpf.h
	BPF_ANY     = 0
	BPF_NOEXIST = 1
	BPF_EXIST   = 2

	BPF_F_NO_PREALLOC   = 1 << 0
	BPF_F_NO_COMMON_LRU = 1 << 1

	// BPF MAP pinning
	PIN_NONE      = 0
	PIN_OBJECT_NS = 1
	PIN_GLOBAL_NS = 2
	PIN_CUSTOM_NS = 3

	BPF_DIR_MNT     = "/sys/fs/bpf/"
	BPF_DIR_GLOBALS = "globals"
)

const (
	XDP_ATTACH_MODE_NONE = 0
	XDP_ATTACH_MODE_SKB  = 1
	XDP_ATTACH_MODE_DRV  = 2
	XDP_ATTACH_MODE_HW   = 3
)