56 строки
1.2 KiB
C
56 строки
1.2 KiB
C
|
#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__ */
|