/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

#ifndef _UAPI__LINUX_BPF_COMMON_H__

#define _UAPI__LINUX_BPF_COMMON_H__

/* Instruction classes */

#define BPF_CLASS(code) ((code) & 0x07)

#define BPF_LD 0x00

#define BPF_LDX 0x01

#define BPF_ST 0x02

#define BPF_STX 0x03

#define BPF_ALU 0x04

#define BPF_JMP 0x05

#define BPF_RET 0x06

#define BPF_MISC 0x07

/* ld/ldx fields */

#define BPF_SIZE(code) ((code) & 0x18)

#define BPF_W 0x00 /* 32-bit */

#define BPF_H 0x08 /* 16-bit */

#define BPF_B 0x10 /* 8-bit */

/* eBPF BPF_DW 0x18 64-bit */

#define BPF_MODE(code) ((code) & 0xe0)

#define BPF_IMM 0x00

#define BPF_ABS 0x20

#define BPF_IND 0x40

#define BPF_MEM 0x60

#define BPF_LEN 0x80

#define BPF_MSH 0xa0

/* alu/jmp fields */

#define BPF_OP(code) ((code) & 0xf0)

#define BPF_ADD 0x00

#define BPF_SUB 0x10

#define BPF_MUL 0x20

#define BPF_DIV 0x30

#define BPF_OR 0x40

#define BPF_AND 0x50

#define BPF_LSH 0x60

#define BPF_RSH 0x70

#define BPF_NEG 0x80

#define BPF_MOD 0x90

#define BPF_XOR 0xa0

#define BPF_JA 0x00

#define BPF_JEQ 0x10

#define BPF_JGT 0x20

#define BPF_JGE 0x30

#define BPF_JSET 0x40

#define BPF_SRC(code) ((code) & 0x08)

#define BPF_K 0x00

#define BPF_X 0x08

#ifndef BPF_MAXINSNS

#define BPF_MAXINSNS 4096

#endif

#endif /* _UAPI__LINUX_BPF_COMMON_H__ */