1#ifndef _UAPI__LINUX_BPF_COMMON_H__
2#define _UAPI__LINUX_BPF_COMMON_H__
3
4/* Instruction classes */
5#define BPF_CLASS(code) ((code) & 0x07)
6#define		BPF_LD		0x00
7#define		BPF_LDX		0x01
8#define		BPF_ST		0x02
9#define		BPF_STX		0x03
10#define		BPF_ALU		0x04
11#define		BPF_JMP		0x05
12#define		BPF_RET		0x06
13#define		BPF_MISC        0x07
14
15/* ld/ldx fields */
16#define BPF_SIZE(code)  ((code) & 0x18)
17#define		BPF_W		0x00
18#define		BPF_H		0x08
19#define		BPF_B		0x10
20#define BPF_MODE(code)  ((code) & 0xe0)
21#define		BPF_IMM		0x00
22#define		BPF_ABS		0x20
23#define		BPF_IND		0x40
24#define		BPF_MEM		0x60
25#define		BPF_LEN		0x80
26#define		BPF_MSH		0xa0
27
28/* alu/jmp fields */
29#define BPF_OP(code)    ((code) & 0xf0)
30#define		BPF_ADD		0x00
31#define		BPF_SUB		0x10
32#define		BPF_MUL		0x20
33#define		BPF_DIV		0x30
34#define		BPF_OR		0x40
35#define		BPF_AND		0x50
36#define		BPF_LSH		0x60
37#define		BPF_RSH		0x70
38#define		BPF_NEG		0x80
39#define		BPF_MOD		0x90
40#define		BPF_XOR		0xa0
41
42#define		BPF_JA		0x00
43#define		BPF_JEQ		0x10
44#define		BPF_JGT		0x20
45#define		BPF_JGE		0x30
46#define		BPF_JSET        0x40
47#define BPF_SRC(code)   ((code) & 0x08)
48#define		BPF_K		0x00
49#define		BPF_X		0x08
50
51#ifndef BPF_MAXINSNS
52#define BPF_MAXINSNS 4096
53#endif
54
55#endif /* _UAPI__LINUX_BPF_COMMON_H__ */
56