bpf_common.h (1382B)
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__ */