xref: /linux/include/uapi/linux/fib_rules.h (revision 607ca46e97a1b6594b29647d98a32d545c24bdff)
1*607ca46eSDavid Howells #ifndef __LINUX_FIB_RULES_H
2*607ca46eSDavid Howells #define __LINUX_FIB_RULES_H
3*607ca46eSDavid Howells 
4*607ca46eSDavid Howells #include <linux/types.h>
5*607ca46eSDavid Howells #include <linux/rtnetlink.h>
6*607ca46eSDavid Howells 
7*607ca46eSDavid Howells /* rule is permanent, and cannot be deleted */
8*607ca46eSDavid Howells #define FIB_RULE_PERMANENT	0x00000001
9*607ca46eSDavid Howells #define FIB_RULE_INVERT		0x00000002
10*607ca46eSDavid Howells #define FIB_RULE_UNRESOLVED	0x00000004
11*607ca46eSDavid Howells #define FIB_RULE_IIF_DETACHED	0x00000008
12*607ca46eSDavid Howells #define FIB_RULE_DEV_DETACHED	FIB_RULE_IIF_DETACHED
13*607ca46eSDavid Howells #define FIB_RULE_OIF_DETACHED	0x00000010
14*607ca46eSDavid Howells 
15*607ca46eSDavid Howells /* try to find source address in routing lookups */
16*607ca46eSDavid Howells #define FIB_RULE_FIND_SADDR	0x00010000
17*607ca46eSDavid Howells 
18*607ca46eSDavid Howells struct fib_rule_hdr {
19*607ca46eSDavid Howells 	__u8		family;
20*607ca46eSDavid Howells 	__u8		dst_len;
21*607ca46eSDavid Howells 	__u8		src_len;
22*607ca46eSDavid Howells 	__u8		tos;
23*607ca46eSDavid Howells 
24*607ca46eSDavid Howells 	__u8		table;
25*607ca46eSDavid Howells 	__u8		res1;	/* reserved */
26*607ca46eSDavid Howells 	__u8		res2;	/* reserved */
27*607ca46eSDavid Howells 	__u8		action;
28*607ca46eSDavid Howells 
29*607ca46eSDavid Howells 	__u32		flags;
30*607ca46eSDavid Howells };
31*607ca46eSDavid Howells 
32*607ca46eSDavid Howells enum {
33*607ca46eSDavid Howells 	FRA_UNSPEC,
34*607ca46eSDavid Howells 	FRA_DST,	/* destination address */
35*607ca46eSDavid Howells 	FRA_SRC,	/* source address */
36*607ca46eSDavid Howells 	FRA_IIFNAME,	/* interface name */
37*607ca46eSDavid Howells #define FRA_IFNAME	FRA_IIFNAME
38*607ca46eSDavid Howells 	FRA_GOTO,	/* target to jump to (FR_ACT_GOTO) */
39*607ca46eSDavid Howells 	FRA_UNUSED2,
40*607ca46eSDavid Howells 	FRA_PRIORITY,	/* priority/preference */
41*607ca46eSDavid Howells 	FRA_UNUSED3,
42*607ca46eSDavid Howells 	FRA_UNUSED4,
43*607ca46eSDavid Howells 	FRA_UNUSED5,
44*607ca46eSDavid Howells 	FRA_FWMARK,	/* mark */
45*607ca46eSDavid Howells 	FRA_FLOW,	/* flow/class id */
46*607ca46eSDavid Howells 	FRA_UNUSED6,
47*607ca46eSDavid Howells 	FRA_UNUSED7,
48*607ca46eSDavid Howells 	FRA_UNUSED8,
49*607ca46eSDavid Howells 	FRA_TABLE,	/* Extended table id */
50*607ca46eSDavid Howells 	FRA_FWMASK,	/* mask for netfilter mark */
51*607ca46eSDavid Howells 	FRA_OIFNAME,
52*607ca46eSDavid Howells 	__FRA_MAX
53*607ca46eSDavid Howells };
54*607ca46eSDavid Howells 
55*607ca46eSDavid Howells #define FRA_MAX (__FRA_MAX - 1)
56*607ca46eSDavid Howells 
57*607ca46eSDavid Howells enum {
58*607ca46eSDavid Howells 	FR_ACT_UNSPEC,
59*607ca46eSDavid Howells 	FR_ACT_TO_TBL,		/* Pass to fixed table */
60*607ca46eSDavid Howells 	FR_ACT_GOTO,		/* Jump to another rule */
61*607ca46eSDavid Howells 	FR_ACT_NOP,		/* No operation */
62*607ca46eSDavid Howells 	FR_ACT_RES3,
63*607ca46eSDavid Howells 	FR_ACT_RES4,
64*607ca46eSDavid Howells 	FR_ACT_BLACKHOLE,	/* Drop without notification */
65*607ca46eSDavid Howells 	FR_ACT_UNREACHABLE,	/* Drop with ENETUNREACH */
66*607ca46eSDavid Howells 	FR_ACT_PROHIBIT,	/* Drop with EACCES */
67*607ca46eSDavid Howells 	__FR_ACT_MAX,
68*607ca46eSDavid Howells };
69*607ca46eSDavid Howells 
70*607ca46eSDavid Howells #define FR_ACT_MAX (__FR_ACT_MAX - 1)
71*607ca46eSDavid Howells 
72*607ca46eSDavid Howells #endif
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