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1 | /* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> |
2 | * Patrick Schaaf <bof@bof.de> | |
3 | * Martin Josefsson <gandalf@wlug.westbo.se> | |
4 | * Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | #ifndef _UAPI_IP_SET_H | |
11 | #define _UAPI_IP_SET_H | |
12 | ||
13 | ||
14 | #include <linux/types.h> | |
15 | ||
16 | /* The protocol version */ | |
17 | #define IPSET_PROTOCOL 6 | |
18 | ||
19 | /* The max length of strings including NUL: set and type identifiers */ | |
20 | #define IPSET_MAXNAMELEN 32 | |
21 | ||
22 | /* Message types and commands */ | |
23 | enum ipset_cmd { | |
24 | IPSET_CMD_NONE, | |
25 | IPSET_CMD_PROTOCOL, /* 1: Return protocol version */ | |
26 | IPSET_CMD_CREATE, /* 2: Create a new (empty) set */ | |
27 | IPSET_CMD_DESTROY, /* 3: Destroy a (empty) set */ | |
28 | IPSET_CMD_FLUSH, /* 4: Remove all elements from a set */ | |
29 | IPSET_CMD_RENAME, /* 5: Rename a set */ | |
30 | IPSET_CMD_SWAP, /* 6: Swap two sets */ | |
31 | IPSET_CMD_LIST, /* 7: List sets */ | |
32 | IPSET_CMD_SAVE, /* 8: Save sets */ | |
33 | IPSET_CMD_ADD, /* 9: Add an element to a set */ | |
34 | IPSET_CMD_DEL, /* 10: Delete an element from a set */ | |
35 | IPSET_CMD_TEST, /* 11: Test an element in a set */ | |
36 | IPSET_CMD_HEADER, /* 12: Get set header data only */ | |
37 | IPSET_CMD_TYPE, /* 13: Get set type */ | |
38 | IPSET_MSG_MAX, /* Netlink message commands */ | |
39 | ||
40 | /* Commands in userspace: */ | |
41 | IPSET_CMD_RESTORE = IPSET_MSG_MAX, /* 14: Enter restore mode */ | |
42 | IPSET_CMD_HELP, /* 15: Get help */ | |
43 | IPSET_CMD_VERSION, /* 16: Get program version */ | |
44 | IPSET_CMD_QUIT, /* 17: Quit from interactive mode */ | |
45 | ||
46 | IPSET_CMD_MAX, | |
47 | ||
48 | IPSET_CMD_COMMIT = IPSET_CMD_MAX, /* 18: Commit buffered commands */ | |
49 | }; | |
50 | ||
51 | /* Attributes at command level */ | |
52 | enum { | |
53 | IPSET_ATTR_UNSPEC, | |
54 | IPSET_ATTR_PROTOCOL, /* 1: Protocol version */ | |
55 | IPSET_ATTR_SETNAME, /* 2: Name of the set */ | |
56 | IPSET_ATTR_TYPENAME, /* 3: Typename */ | |
57 | IPSET_ATTR_SETNAME2 = IPSET_ATTR_TYPENAME, /* Setname at rename/swap */ | |
58 | IPSET_ATTR_REVISION, /* 4: Settype revision */ | |
59 | IPSET_ATTR_FAMILY, /* 5: Settype family */ | |
60 | IPSET_ATTR_FLAGS, /* 6: Flags at command level */ | |
61 | IPSET_ATTR_DATA, /* 7: Nested attributes */ | |
62 | IPSET_ATTR_ADT, /* 8: Multiple data containers */ | |
63 | IPSET_ATTR_LINENO, /* 9: Restore lineno */ | |
64 | IPSET_ATTR_PROTOCOL_MIN, /* 10: Minimal supported version number */ | |
65 | IPSET_ATTR_REVISION_MIN = IPSET_ATTR_PROTOCOL_MIN, /* type rev min */ | |
66 | __IPSET_ATTR_CMD_MAX, | |
67 | }; | |
68 | #define IPSET_ATTR_CMD_MAX (__IPSET_ATTR_CMD_MAX - 1) | |
69 | ||
70 | /* CADT specific attributes */ | |
71 | enum { | |
72 | IPSET_ATTR_IP = IPSET_ATTR_UNSPEC + 1, | |
73 | IPSET_ATTR_IP_FROM = IPSET_ATTR_IP, | |
74 | IPSET_ATTR_IP_TO, /* 2 */ | |
75 | IPSET_ATTR_CIDR, /* 3 */ | |
76 | IPSET_ATTR_PORT, /* 4 */ | |
77 | IPSET_ATTR_PORT_FROM = IPSET_ATTR_PORT, | |
78 | IPSET_ATTR_PORT_TO, /* 5 */ | |
79 | IPSET_ATTR_TIMEOUT, /* 6 */ | |
80 | IPSET_ATTR_PROTO, /* 7 */ | |
81 | IPSET_ATTR_CADT_FLAGS, /* 8 */ | |
82 | IPSET_ATTR_CADT_LINENO = IPSET_ATTR_LINENO, /* 9 */ | |
83 | /* Reserve empty slots */ | |
84 | IPSET_ATTR_CADT_MAX = 16, | |
85 | /* Create-only specific attributes */ | |
86 | IPSET_ATTR_GC, | |
87 | IPSET_ATTR_HASHSIZE, | |
88 | IPSET_ATTR_MAXELEM, | |
89 | IPSET_ATTR_NETMASK, | |
90 | IPSET_ATTR_PROBES, | |
91 | IPSET_ATTR_RESIZE, | |
92 | IPSET_ATTR_SIZE, | |
93 | /* Kernel-only */ | |
94 | IPSET_ATTR_ELEMENTS, | |
95 | IPSET_ATTR_REFERENCES, | |
96 | IPSET_ATTR_MEMSIZE, | |
97 | ||
98 | __IPSET_ATTR_CREATE_MAX, | |
99 | }; | |
100 | #define IPSET_ATTR_CREATE_MAX (__IPSET_ATTR_CREATE_MAX - 1) | |
101 | ||
102 | /* ADT specific attributes */ | |
103 | enum { | |
104 | IPSET_ATTR_ETHER = IPSET_ATTR_CADT_MAX + 1, | |
105 | IPSET_ATTR_NAME, | |
106 | IPSET_ATTR_NAMEREF, | |
107 | IPSET_ATTR_IP2, | |
108 | IPSET_ATTR_CIDR2, | |
109 | IPSET_ATTR_IP2_TO, | |
110 | IPSET_ATTR_IFACE, | |
34d666d4 JK |
111 | IPSET_ATTR_BYTES, |
112 | IPSET_ATTR_PACKETS, | |
a8201414 DH |
113 | __IPSET_ATTR_ADT_MAX, |
114 | }; | |
115 | #define IPSET_ATTR_ADT_MAX (__IPSET_ATTR_ADT_MAX - 1) | |
116 | ||
117 | /* IP specific attributes */ | |
118 | enum { | |
119 | IPSET_ATTR_IPADDR_IPV4 = IPSET_ATTR_UNSPEC + 1, | |
120 | IPSET_ATTR_IPADDR_IPV6, | |
121 | __IPSET_ATTR_IPADDR_MAX, | |
122 | }; | |
123 | #define IPSET_ATTR_IPADDR_MAX (__IPSET_ATTR_IPADDR_MAX - 1) | |
124 | ||
125 | /* Error codes */ | |
126 | enum ipset_errno { | |
127 | IPSET_ERR_PRIVATE = 4096, | |
128 | IPSET_ERR_PROTOCOL, | |
129 | IPSET_ERR_FIND_TYPE, | |
130 | IPSET_ERR_MAX_SETS, | |
131 | IPSET_ERR_BUSY, | |
132 | IPSET_ERR_EXIST_SETNAME2, | |
133 | IPSET_ERR_TYPE_MISMATCH, | |
134 | IPSET_ERR_EXIST, | |
135 | IPSET_ERR_INVALID_CIDR, | |
136 | IPSET_ERR_INVALID_NETMASK, | |
137 | IPSET_ERR_INVALID_FAMILY, | |
138 | IPSET_ERR_TIMEOUT, | |
139 | IPSET_ERR_REFERENCED, | |
140 | IPSET_ERR_IPADDR_IPV4, | |
141 | IPSET_ERR_IPADDR_IPV6, | |
34d666d4 | 142 | IPSET_ERR_COUNTER, |
a8201414 DH |
143 | |
144 | /* Type specific error codes */ | |
145 | IPSET_ERR_TYPE_SPECIFIC = 4352, | |
146 | }; | |
147 | ||
148 | /* Flags at command level */ | |
149 | enum ipset_cmd_flags { | |
150 | IPSET_FLAG_BIT_EXIST = 0, | |
151 | IPSET_FLAG_EXIST = (1 << IPSET_FLAG_BIT_EXIST), | |
152 | IPSET_FLAG_BIT_LIST_SETNAME = 1, | |
153 | IPSET_FLAG_LIST_SETNAME = (1 << IPSET_FLAG_BIT_LIST_SETNAME), | |
154 | IPSET_FLAG_BIT_LIST_HEADER = 2, | |
155 | IPSET_FLAG_LIST_HEADER = (1 << IPSET_FLAG_BIT_LIST_HEADER), | |
156 | IPSET_FLAG_CMD_MAX = 15, /* Lower half */ | |
157 | }; | |
158 | ||
159 | /* Flags at CADT attribute level */ | |
160 | enum ipset_cadt_flags { | |
161 | IPSET_FLAG_BIT_BEFORE = 0, | |
162 | IPSET_FLAG_BEFORE = (1 << IPSET_FLAG_BIT_BEFORE), | |
163 | IPSET_FLAG_BIT_PHYSDEV = 1, | |
164 | IPSET_FLAG_PHYSDEV = (1 << IPSET_FLAG_BIT_PHYSDEV), | |
165 | IPSET_FLAG_BIT_NOMATCH = 2, | |
166 | IPSET_FLAG_NOMATCH = (1 << IPSET_FLAG_BIT_NOMATCH), | |
34d666d4 JK |
167 | IPSET_FLAG_BIT_WITH_COUNTERS = 3, |
168 | IPSET_FLAG_WITH_COUNTERS = (1 << IPSET_FLAG_BIT_WITH_COUNTERS), | |
a8201414 DH |
169 | IPSET_FLAG_CADT_MAX = 15, /* Upper half */ |
170 | }; | |
171 | ||
172 | /* Commands with settype-specific attributes */ | |
173 | enum ipset_adt { | |
174 | IPSET_ADD, | |
175 | IPSET_DEL, | |
176 | IPSET_TEST, | |
177 | IPSET_ADT_MAX, | |
178 | IPSET_CREATE = IPSET_ADT_MAX, | |
179 | IPSET_CADT_MAX, | |
180 | }; | |
181 | ||
182 | /* Sets are identified by an index in kernel space. Tweak with ip_set_id_t | |
183 | * and IPSET_INVALID_ID if you want to increase the max number of sets. | |
184 | */ | |
185 | typedef __u16 ip_set_id_t; | |
186 | ||
187 | #define IPSET_INVALID_ID 65535 | |
188 | ||
189 | enum ip_set_dim { | |
190 | IPSET_DIM_ZERO = 0, | |
191 | IPSET_DIM_ONE, | |
192 | IPSET_DIM_TWO, | |
193 | IPSET_DIM_THREE, | |
194 | /* Max dimension in elements. | |
195 | * If changed, new revision of iptables match/target is required. | |
196 | */ | |
197 | IPSET_DIM_MAX = 6, | |
198 | IPSET_BIT_RETURN_NOMATCH = 7, | |
199 | }; | |
200 | ||
201 | /* Option flags for kernel operations */ | |
202 | enum ip_set_kopt { | |
203 | IPSET_INV_MATCH = (1 << IPSET_DIM_ZERO), | |
204 | IPSET_DIM_ONE_SRC = (1 << IPSET_DIM_ONE), | |
205 | IPSET_DIM_TWO_SRC = (1 << IPSET_DIM_TWO), | |
206 | IPSET_DIM_THREE_SRC = (1 << IPSET_DIM_THREE), | |
207 | IPSET_RETURN_NOMATCH = (1 << IPSET_BIT_RETURN_NOMATCH), | |
208 | }; | |
209 | ||
210 | ||
211 | /* Interface to iptables/ip6tables */ | |
212 | ||
213 | #define SO_IP_SET 83 | |
214 | ||
215 | union ip_set_name_index { | |
216 | char name[IPSET_MAXNAMELEN]; | |
217 | ip_set_id_t index; | |
218 | }; | |
219 | ||
220 | #define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */ | |
221 | struct ip_set_req_get_set { | |
222 | unsigned int op; | |
223 | unsigned int version; | |
224 | union ip_set_name_index set; | |
225 | }; | |
226 | ||
227 | #define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ | |
228 | /* Uses ip_set_req_get_set */ | |
229 | ||
230 | #define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ | |
231 | struct ip_set_req_version { | |
232 | unsigned int op; | |
233 | unsigned int version; | |
234 | }; | |
235 | ||
236 | #endif /* _UAPI_IP_SET_H */ |