| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef __LINUX_FILTER_H__ |
| #define __LINUX_FILTER_H__ |
| |
| #include <linux/compiler.h> |
| #include <linux/types.h> |
| |
| #define BPF_MAJOR_VERSION 1 |
| #define BPF_MINOR_VERSION 1 |
| |
| struct sock_filter |
| { |
| __u16 code; |
| __u8 jt; |
| __u8 jf; |
| __u32 k; |
| }; |
| |
| struct sock_fprog |
| { |
| unsigned short len; |
| struct sock_filter __user *filter; |
| }; |
| |
| #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 |
| |
| #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 |
| |
| #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_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 |
| |
| #define BPF_RVAL(code) ((code) & 0x18) |
| #define BPF_A 0x10 |
| |
| #define BPF_MISCOP(code) ((code) & 0xf8) |
| #define BPF_TAX 0x00 |
| #define BPF_TXA 0x80 |
| |
| #ifndef BPF_MAXINSNS |
| #define BPF_MAXINSNS 4096 |
| #endif |
| |
| #ifndef BPF_STMT |
| #define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k } |
| #endif |
| #ifndef BPF_JUMP |
| #define BPF_JUMP(code, k, jt, jf) { (unsigned short)(code), jt, jf, k } |
| #endif |
| |
| #define BPF_MEMWORDS 16 |
| |
| #define SKF_AD_OFF (-0x1000) |
| #define SKF_AD_PROTOCOL 0 |
| #define SKF_AD_PKTTYPE 4 |
| #define SKF_AD_IFINDEX 8 |
| #define SKF_AD_MAX 12 |
| #define SKF_NET_OFF (-0x100000) |
| #define SKF_LL_OFF (-0x200000) |
| |
| #endif |