fib_rules.h revision ab322673298bd0b8927cdd9d11f3d36af5941b93 
1#ifndef __LINUX_FIB_RULES_H
2#define __LINUX_FIB_RULES_H
3
4#include <linux/types.h>
5#include <linux/rtnetlink.h>
6
7/* rule is permanent, and cannot be deleted */
8#define FIB_RULE_PERMANENT	0x00000001
9#define FIB_RULE_INVERT		0x00000002
10#define FIB_RULE_UNRESOLVED	0x00000004
11#define FIB_RULE_IIF_DETACHED	0x00000008
12#define FIB_RULE_DEV_DETACHED	FIB_RULE_IIF_DETACHED
13#define FIB_RULE_OIF_DETACHED	0x00000010
14
15/* try to find source address in routing lookups */
16#define FIB_RULE_FIND_SADDR	0x00010000
17
18struct fib_rule_hdr {
19	__u8		family;
20	__u8		dst_len;
21	__u8		src_len;
22	__u8		tos;
23
24	__u8		table;
25	__u8		res1;	/* reserved */
26	__u8		res2;	/* reserved */
27	__u8		action;
28
29	__u32		flags;
30};
31
32enum {
33	FRA_UNSPEC,
34	FRA_DST,	/* destination address */
35	FRA_SRC,	/* source address */
36	FRA_IIFNAME,	/* interface name */
37#define FRA_IFNAME	FRA_IIFNAME
38	FRA_GOTO,	/* target to jump to (FR_ACT_GOTO) */
39	FRA_UNUSED2,
40	FRA_PRIORITY,	/* priority/preference */
41	FRA_UNUSED3,
42	FRA_UNUSED4,
43	FRA_UNUSED5,
44	FRA_FWMARK,	/* mark */
45	FRA_FLOW,	/* flow/class id */
46	FRA_UNUSED6,
47	FRA_UNUSED7,
48	FRA_UNUSED8,
49	FRA_TABLE,	/* Extended table id */
50	FRA_FWMASK,	/* mask for netfilter mark */
51	FRA_OIFNAME,
52	__FRA_MAX
53};
54
55#define FRA_MAX (__FRA_MAX - 1)
56
57enum {
58	FR_ACT_UNSPEC,
59	FR_ACT_TO_TBL,		/* Pass to fixed table */
60	FR_ACT_GOTO,		/* Jump to another rule */
61	FR_ACT_NOP,		/* No operation */
62	FR_ACT_RES3,
63	FR_ACT_RES4,
64	FR_ACT_BLACKHOLE,	/* Drop without notification */
65	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */
66	FR_ACT_PROHIBIT,	/* Drop with EACCES */
67	__FR_ACT_MAX,
68};
69
70#define FR_ACT_MAX (__FR_ACT_MAX - 1)
71
72#endif
73