xref: /openbmc/linux/include/uapi/linux/fib_rules.h (revision bfff4862)
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
91