1dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#ifndef __LINUX_BPF_COMMON_H__ 2dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define __LINUX_BPF_COMMON_H__ 3dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger 4dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger/* Instruction classes */ 5dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_CLASS(code) ((code) & 0x07) 6dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_LD 0x00 7dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_LDX 0x01 8dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_ST 0x02 9dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_STX 0x03 10dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_ALU 0x04 11dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_JMP 0x05 12dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_RET 0x06 13dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MISC 0x07 14dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger 15dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger/* ld/ldx fields */ 16dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_SIZE(code) ((code) & 0x18) 17dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_W 0x00 18dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_H 0x08 19dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_B 0x10 20dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MODE(code) ((code) & 0xe0) 21dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_IMM 0x00 22dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_ABS 0x20 23dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_IND 0x40 24dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MEM 0x60 25dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_LEN 0x80 26dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MSH 0xa0 27dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger 28dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger/* alu/jmp fields */ 29dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_OP(code) ((code) & 0xf0) 30dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_ADD 0x00 31dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_SUB 0x10 32dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MUL 0x20 33dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_DIV 0x30 34dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_OR 0x40 35dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_AND 0x50 36dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_LSH 0x60 37dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_RSH 0x70 38dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_NEG 0x80 39dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MOD 0x90 40dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_XOR 0xa0 41dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger 42dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_JA 0x00 43dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_JEQ 0x10 44dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_JGT 0x20 45dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_JGE 0x30 46dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_JSET 0x40 47dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_SRC(code) ((code) & 0x08) 48dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_K 0x00 49dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_X 0x08 50dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger 51dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#ifndef BPF_MAXINSNS 52dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#define BPF_MAXINSNS 4096 53dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#endif 54dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger 55dddfc7f67ee458d4b541be27c6fbdeb304223708Stephen Hemminger#endif /* __LINUX_BPF_COMMON_H__ */ 56