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- #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__ */
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