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 | |