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
