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
19 struct 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
33 struct fib_rule_uid_range {
34 __u32 start;
35 __u32 end;
36 };
37
38 struct fib_rule_port_range {
39 __u16 start;
40 __u16 end;
41 };
42
43 enum {
44 FRA_UNSPEC,
45 FRA_DST, /* destination address */
46 FRA_SRC, /* source address */
47 FRA_IIFNAME, /* interface name */
48 #define FRA_IFNAME FRA_IIFNAME
49 FRA_GOTO, /* target to jump to (FR_ACT_GOTO) */
50 FRA_UNUSED2,
51 FRA_PRIORITY, /* priority/preference */
52 FRA_UNUSED3,
53 FRA_UNUSED4,
54 FRA_UNUSED5,
55 FRA_FWMARK, /* mark */
56 FRA_FLOW, /* flow/class id */
57 FRA_TUN_ID,
58 FRA_SUPPRESS_IFGROUP,
59 FRA_SUPPRESS_PREFIXLEN,
60 FRA_TABLE, /* Extended table id */
61 FRA_FWMASK, /* mask for netfilter mark */
62 FRA_OIFNAME,
63 FRA_PAD,
64 FRA_L3MDEV, /* iif or oif is l3mdev goto its table */
65 FRA_UID_RANGE, /* UID range */
66 FRA_PROTOCOL, /* Originator of the rule */
67 FRA_IP_PROTO, /* ip proto */
68 FRA_SPORT_RANGE, /* sport */
69 FRA_DPORT_RANGE, /* dport */
70 __FRA_MAX
71 };
72
73 #define FRA_MAX (__FRA_MAX - 1)
74
75 enum {
76 FR_ACT_UNSPEC,
77 FR_ACT_TO_TBL, /* Pass to fixed table */
78 FR_ACT_GOTO, /* Jump to another rule */
79 FR_ACT_NOP, /* No operation */
80 FR_ACT_RES3,
81 FR_ACT_RES4,
82 FR_ACT_BLACKHOLE, /* Drop without notification */
83 FR_ACT_UNREACHABLE, /* Drop with ENETUNREACH */
84 FR_ACT_PROHIBIT, /* Drop with EACCES */
85 __FR_ACT_MAX,
86 };
87
88 #define FR_ACT_MAX (__FR_ACT_MAX - 1)
89
90 #endif