xref: /linux/include/uapi/linux/fib_rules.h (revision 507e190946297c34a27d9366b0661d5e506fdd03)
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 
18 struct 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 
32 struct fib_rule_uid_range {
33 	__u32		start;
34 	__u32		end;
35 };
36 
37 enum {
38 	FRA_UNSPEC,
39 	FRA_DST,	/* destination address */
40 	FRA_SRC,	/* source address */
41 	FRA_IIFNAME,	/* interface name */
42 #define FRA_IFNAME	FRA_IIFNAME
43 	FRA_GOTO,	/* target to jump to (FR_ACT_GOTO) */
44 	FRA_UNUSED2,
45 	FRA_PRIORITY,	/* priority/preference */
46 	FRA_UNUSED3,
47 	FRA_UNUSED4,
48 	FRA_UNUSED5,
49 	FRA_FWMARK,	/* mark */
50 	FRA_FLOW,	/* flow/class id */
51 	FRA_TUN_ID,
52 	FRA_SUPPRESS_IFGROUP,
53 	FRA_SUPPRESS_PREFIXLEN,
54 	FRA_TABLE,	/* Extended table id */
55 	FRA_FWMASK,	/* mask for netfilter mark */
56 	FRA_OIFNAME,
57 	FRA_PAD,
58 	FRA_L3MDEV,	/* iif or oif is l3mdev goto its table */
59 	FRA_UID_RANGE,	/* UID range */
60 	__FRA_MAX
61 };
62 
63 #define FRA_MAX (__FRA_MAX - 1)
64 
65 enum {
66 	FR_ACT_UNSPEC,
67 	FR_ACT_TO_TBL,		/* Pass to fixed table */
68 	FR_ACT_GOTO,		/* Jump to another rule */
69 	FR_ACT_NOP,		/* No operation */
70 	FR_ACT_RES3,
71 	FR_ACT_RES4,
72 	FR_ACT_BLACKHOLE,	/* Drop without notification */
73 	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */
74 	FR_ACT_PROHIBIT,	/* Drop with EACCES */
75 	__FR_ACT_MAX,
76 };
77 
78 #define FR_ACT_MAX (__FR_ACT_MAX - 1)
79 
80 #endif
81