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
38struct fib_rule_port_range {
39	__u16		start;
40	__u16		end;
41};
42
43enum {
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_DSCP,	/* dscp */
71	FRA_FLOWLABEL,	/* flowlabel */
72	FRA_FLOWLABEL_MASK,	/* flowlabel mask */
73	FRA_SPORT_MASK,	/* sport mask */
74	FRA_DPORT_MASK,	/* dport mask */
75	FRA_DSCP_MASK,	/* dscp mask */
76	__FRA_MAX
77};
78
79#define FRA_MAX (__FRA_MAX - 1)
80
81enum {
82	FR_ACT_UNSPEC,
83	FR_ACT_TO_TBL,		/* Pass to fixed table */
84	FR_ACT_GOTO,		/* Jump to another rule */
85	FR_ACT_NOP,		/* No operation */
86	FR_ACT_RES3,
87	FR_ACT_RES4,
88	FR_ACT_BLACKHOLE,	/* Drop without notification */
89	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */
90	FR_ACT_PROHIBIT,	/* Drop with EACCES */
91	__FR_ACT_MAX,
92};
93
94#define FR_ACT_MAX (__FR_ACT_MAX - 1)
95
96#endif