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 19 #define BPF_H 0x08 20 #define BPF_B 0x10 21 #define BPF_MODE(code) ((code) & 0xe0) 22 #define BPF_IMM 0x00 23 #define BPF_ABS 0x20 24 #define BPF_IND 0x40 25 #define BPF_MEM 0x60 26 #define BPF_LEN 0x80 27 #define BPF_MSH 0xa0 28 29 /* alu/jmp fields */ 30 #define BPF_OP(code) ((code) & 0xf0) 31 #define BPF_ADD 0x00 32 #define BPF_SUB 0x10 33 #define BPF_MUL 0x20 34 #define BPF_DIV 0x30 35 #define BPF_OR 0x40 36 #define BPF_AND 0x50 37 #define BPF_LSH 0x60 38 #define BPF_RSH 0x70 39 #define BPF_NEG 0x80 40 #define BPF_MOD 0x90 41 #define BPF_XOR 0xa0 42 43 #define BPF_JA 0x00 44 #define BPF_JEQ 0x10 45 #define BPF_JGT 0x20 46 #define BPF_JGE 0x30 47 #define BPF_JSET 0x40 48 #define BPF_SRC(code) ((code) & 0x08) 49 #define BPF_K 0x00 50 #define BPF_X 0x08 51 52 #ifndef BPF_MAXINSNS 53 #define BPF_MAXINSNS 4096 54 #endif 55 56 #endif /* _UAPI__LINUX_BPF_COMMON_H__ */ 57