diff options
| author | Daniel Borkmann <dborkman@redhat.com> | 2013-06-04 14:21:31 +0200 |
|---|---|---|
| committer | Daniel Borkmann <dborkman@redhat.com> | 2013-06-04 14:21:31 +0200 |
| commit | 4d3be7be483f92030912e976e4dea24edd723f34 (patch) | |
| tree | f695f07c924f887357d590ecb8f7ba5fc9c81c89 /bpf.h | |
| parent | 214cb42c626cfe5fe5d9ef1e83e7b23cca1cf02b (diff) | |
bpf: split up instructions and extensions from header
Move them into a separate header file, so that it is more clean.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Diffstat (limited to 'bpf.h')
| -rw-r--r-- | bpf.h | 100 |
1 files changed, 2 insertions, 98 deletions
@@ -6,6 +6,8 @@ #include <stdlib.h> #include "xmalloc.h" +#include "bpf_insns.h" +#include "bpf_ext.h" extern void bpf_dump_op_table(void); extern void bpf_dump_all(struct sock_fprog *bpf); @@ -27,107 +29,9 @@ static inline void bpf_try_compile(const char *rulefile, panic("Cannot open file %s!\n", rulefile); } #endif - static inline void bpf_release(struct sock_fprog *bpf) { free(bpf->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_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 - -/* ret - BPF_K and BPF_X also apply */ -#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 SKF_AD_OFF -# define SKF_AD_OFF (-0x1000) -#endif -#ifndef SKF_AD_PROTOCOL -# define SKF_AD_PROTOCOL 0 -#endif -#ifndef SKF_AD_PKTTYPE -# define SKF_AD_PKTTYPE 4 -#endif -#ifndef SKF_AD_IFINDEX -# define SKF_AD_IFINDEX 8 -#endif -#ifndef SKF_AD_NLATTR -# define SKF_AD_NLATTR 12 -#endif -#ifndef SKF_AD_NLATTR_NEST -# define SKF_AD_NLATTR_NEST 16 -#endif -#ifndef SKF_AD_MARK -# define SKF_AD_MARK 20 -#endif -#ifndef SKF_AD_QUEUE -# define SKF_AD_QUEUE 24 -#endif -#ifndef SKF_AD_HATYPE -# define SKF_AD_HATYPE 28 -#endif -#ifndef SKF_AD_RXHASH -# define SKF_AD_RXHASH 32 -#endif -#ifndef SKF_AD_CPU -# define SKF_AD_CPU 36 -#endif -#ifndef SKF_AD_VLAN_TAG -# define SKF_AD_VLAN_TAG 44 -#endif -#ifndef SKF_AD_VLAN_TAG_PRESENT -# define SKF_AD_VLAN_TAG_PRESENT 48 -#endif -#ifndef SKF_AD_PAY_OFFSET -# define SKF_AD_PAY_OFFSET 52 -#endif - #endif /* BPF_I_H */ |