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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_FIB_RULES_H
3#define __LINUX_FIB_RULES_H
4
5#include <linux/types.h>
6#include <linux/rtnetlink.h>
7
8/* rule is permanent, and cannot be deleted */
9#define FIB_RULE_PERMANENT 0x00000001
10#define FIB_RULE_INVERT 0x00000002
11#define FIB_RULE_UNRESOLVED 0x00000004
12#define FIB_RULE_IIF_DETACHED 0x00000008
13#define FIB_RULE_DEV_DETACHED FIB_RULE_IIF_DETACHED
14#define FIB_RULE_OIF_DETACHED 0x00000010
15
16/* try to find source address in routing lookups */
17#define FIB_RULE_FIND_SADDR 0x00010000
18
19struct fib_rule_hdr {
20 __u8 family;
21 __u8 dst_len;
22 __u8 src_len;
23 __u8 tos;
24
25 __u8 table;
26 __u8 res1; /* reserved */
27 __u8 res2; /* reserved */
28 __u8 action;
29
30 __u32 flags;
31};
32
33struct fib_rule_uid_range {
34 __u32 start;
35 __u32 end;
36};
37
38enum {
39 FRA_UNSPEC,
40 FRA_DST, /* destination address */
41 FRA_SRC, /* source address */
42 FRA_IIFNAME, /* interface name */
43#define FRA_IFNAME FRA_IIFNAME
44 FRA_GOTO, /* target to jump to (FR_ACT_GOTO) */
45 FRA_UNUSED2,
46 FRA_PRIORITY, /* priority/preference */
47 FRA_UNUSED3,
48 FRA_UNUSED4,
49 FRA_UNUSED5,
50 FRA_FWMARK, /* mark */
51 FRA_FLOW, /* flow/class id */
52 FRA_TUN_ID,
53 FRA_SUPPRESS_IFGROUP,
54 FRA_SUPPRESS_PREFIXLEN,
55 FRA_TABLE, /* Extended table id */
56 FRA_FWMASK, /* mask for netfilter mark */
57 FRA_OIFNAME,
58 FRA_PAD,
59 FRA_L3MDEV, /* iif or oif is l3mdev goto its table */
60 FRA_UID_RANGE, /* UID range */
61 __FRA_MAX
62};
63
64#define FRA_MAX (__FRA_MAX - 1)
65
66enum {
67 FR_ACT_UNSPEC,
68 FR_ACT_TO_TBL, /* Pass to fixed table */
69 FR_ACT_GOTO, /* Jump to another rule */
70 FR_ACT_NOP, /* No operation */
71 FR_ACT_RES3,
72 FR_ACT_RES4,
73 FR_ACT_BLACKHOLE, /* Drop without notification */
74 FR_ACT_UNREACHABLE, /* Drop with ENETUNREACH */
75 FR_ACT_PROHIBIT, /* Drop with EACCES */
76 __FR_ACT_MAX,
77};
78
79#define FR_ACT_MAX (__FR_ACT_MAX - 1)
80
81#endif