Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / tools / include / uapi / linux / bpf_common.h
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__LINUX_BPF_COMMON_H__
3 #define _UAPI__LINUX_BPF_COMMON_H__
4
5 /* Instruction classes */
6 #define BPF_CLASS(code) ((code) & 0x07)
7 #define         BPF_LD          0x00
8 #define         BPF_LDX         0x01
9 #define         BPF_ST          0x02
10 #define         BPF_STX         0x03
11 #define         BPF_ALU         0x04
12 #define         BPF_JMP         0x05
13 #define         BPF_RET         0x06
14 #define         BPF_MISC        0x07
15
16 /* ld/ldx fields */
17 #define BPF_SIZE(code)  ((code) & 0x18)
18 #define         BPF_W           0x00 /* 32-bit */
19 #define         BPF_H           0x08 /* 16-bit */
20 #define         BPF_B           0x10 /*  8-bit */
21 /* eBPF         BPF_DW          0x18    64-bit */
22 #define BPF_MODE(code)  ((code) & 0xe0)
23 #define         BPF_IMM         0x00
24 #define         BPF_ABS         0x20
25 #define         BPF_IND         0x40
26 #define         BPF_MEM         0x60
27 #define         BPF_LEN         0x80
28 #define         BPF_MSH         0xa0
29
30 /* alu/jmp fields */
31 #define BPF_OP(code)    ((code) & 0xf0)
32 #define         BPF_ADD         0x00
33 #define         BPF_SUB         0x10
34 #define         BPF_MUL         0x20
35 #define         BPF_DIV         0x30
36 #define         BPF_OR          0x40
37 #define         BPF_AND         0x50
38 #define         BPF_LSH         0x60
39 #define         BPF_RSH         0x70
40 #define         BPF_NEG         0x80
41 #define         BPF_MOD         0x90
42 #define         BPF_XOR         0xa0
43
44 #define         BPF_JA          0x00
45 #define         BPF_JEQ         0x10
46 #define         BPF_JGT         0x20
47 #define         BPF_JGE         0x30
48 #define         BPF_JSET        0x40
49 #define BPF_SRC(code)   ((code) & 0x08)
50 #define         BPF_K           0x00
51 #define         BPF_X           0x08
52
53 #ifndef BPF_MAXINSNS
54 #define BPF_MAXINSNS 4096
55 #endif
56
57 #endif /* _UAPI__LINUX_BPF_COMMON_H__ */