| #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 | |
| #define BPF_H 0x08 | |
| #define BPF_B 0x10 | |
| #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__ */ |