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_DSCP,	/* dscp */
71  	__FRA_MAX
72  };
73  
74  #define FRA_MAX (__FRA_MAX - 1)
75  
76  enum {
77  	FR_ACT_UNSPEC,
78  	FR_ACT_TO_TBL,		/* Pass to fixed table */
79  	FR_ACT_GOTO,		/* Jump to another rule */
80  	FR_ACT_NOP,		/* No operation */
81  	FR_ACT_RES3,
82  	FR_ACT_RES4,
83  	FR_ACT_BLACKHOLE,	/* Drop without notification */
84  	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */
85  	FR_ACT_PROHIBIT,	/* Drop with EACCES */
86  	__FR_ACT_MAX,
87  };
88  
89  #define FR_ACT_MAX (__FR_ACT_MAX - 1)
90  
91  #endif
92