1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Lin 1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /* 2 /*
3 * include/uapi/linux/tipc.h: Header for TIPC 3 * include/uapi/linux/tipc.h: Header for TIPC socket interface
4 * 4 *
5 * Copyright (c) 2003-2006, 2015-2016 Ericsson 5 * Copyright (c) 2003-2006, 2015-2016 Ericsson AB
6 * Copyright (c) 2005, 2010-2011, Wind River S 6 * Copyright (c) 2005, 2010-2011, Wind River Systems
7 * All rights reserved. 7 * All rights reserved.
8 * 8 *
9 * Redistribution and use in source and binary 9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that t 10 * modification, are permitted provided that the following conditions are met:
11 * 11 *
12 * 1. Redistributions of source code must reta 12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the 13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must repr 14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the 15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials pro 16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the names of the copyright holde 17 * 3. Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or p 18 * contributors may be used to endorse or promote products derived from
19 * this software without specific prior wri 19 * this software without specific prior written permission.
20 * 20 *
21 * Alternatively, this software may be distrib 21 * Alternatively, this software may be distributed under the terms of the
22 * GNU General Public License ("GPL") version 22 * GNU General Public License ("GPL") version 2 as published by the Free
23 * Software Foundation. 23 * Software Foundation.
24 * 24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCL 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND F 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYR 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL 29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT L 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THE 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUD 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS S 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE. 35 * POSSIBILITY OF SUCH DAMAGE.
36 */ 36 */
37 37
38 #ifndef _LINUX_TIPC_H_ 38 #ifndef _LINUX_TIPC_H_
39 #define _LINUX_TIPC_H_ 39 #define _LINUX_TIPC_H_
40 40
41 #include <linux/types.h> 41 #include <linux/types.h>
42 #include <linux/sockios.h> 42 #include <linux/sockios.h>
43 43
44 /* 44 /*
45 * TIPC addressing primitives 45 * TIPC addressing primitives
46 */ 46 */
47 47
48 struct tipc_socket_addr { 48 struct tipc_socket_addr {
49 __u32 ref; 49 __u32 ref;
50 __u32 node; 50 __u32 node;
51 }; 51 };
52 52
53 struct tipc_service_addr { 53 struct tipc_service_addr {
54 __u32 type; 54 __u32 type;
55 __u32 instance; 55 __u32 instance;
56 }; 56 };
57 57
58 struct tipc_service_range { 58 struct tipc_service_range {
59 __u32 type; 59 __u32 type;
60 __u32 lower; 60 __u32 lower;
61 __u32 upper; 61 __u32 upper;
62 }; 62 };
63 63
64 /* 64 /*
65 * Application-accessible service types 65 * Application-accessible service types
66 */ 66 */
67 67
68 #define TIPC_NODE_STATE 0 /* nod 68 #define TIPC_NODE_STATE 0 /* node state service type */
69 #define TIPC_TOP_SRV 1 /* top 69 #define TIPC_TOP_SRV 1 /* topology server service type */
70 #define TIPC_LINK_STATE 2 /* lin 70 #define TIPC_LINK_STATE 2 /* link state service type */
71 #define TIPC_RESERVED_TYPES 64 /* low 71 #define TIPC_RESERVED_TYPES 64 /* lowest user-allowed service type */
72 72
73 /* 73 /*
74 * Publication scopes when binding service / s 74 * Publication scopes when binding service / service range
75 */ 75 */
76 enum tipc_scope { 76 enum tipc_scope {
77 TIPC_CLUSTER_SCOPE = 2, /* 0 can also 77 TIPC_CLUSTER_SCOPE = 2, /* 0 can also be used */
78 TIPC_NODE_SCOPE = 3 78 TIPC_NODE_SCOPE = 3
79 }; 79 };
80 80
81 /* 81 /*
82 * Limiting values for messages 82 * Limiting values for messages
83 */ 83 */
84 84
85 #define TIPC_MAX_USER_MSG_SIZE 66000U 85 #define TIPC_MAX_USER_MSG_SIZE 66000U
86 86
87 /* 87 /*
88 * Message importance levels 88 * Message importance levels
89 */ 89 */
90 90
91 #define TIPC_LOW_IMPORTANCE 0 91 #define TIPC_LOW_IMPORTANCE 0
92 #define TIPC_MEDIUM_IMPORTANCE 1 92 #define TIPC_MEDIUM_IMPORTANCE 1
93 #define TIPC_HIGH_IMPORTANCE 2 93 #define TIPC_HIGH_IMPORTANCE 2
94 #define TIPC_CRITICAL_IMPORTANCE 3 94 #define TIPC_CRITICAL_IMPORTANCE 3
95 95
96 /* 96 /*
97 * Msg rejection/connection shutdown reasons 97 * Msg rejection/connection shutdown reasons
98 */ 98 */
99 99
100 #define TIPC_OK 0 100 #define TIPC_OK 0
101 #define TIPC_ERR_NO_NAME 1 101 #define TIPC_ERR_NO_NAME 1
102 #define TIPC_ERR_NO_PORT 2 102 #define TIPC_ERR_NO_PORT 2
103 #define TIPC_ERR_NO_NODE 3 103 #define TIPC_ERR_NO_NODE 3
104 #define TIPC_ERR_OVERLOAD 4 104 #define TIPC_ERR_OVERLOAD 4
105 #define TIPC_CONN_SHUTDOWN 5 105 #define TIPC_CONN_SHUTDOWN 5
106 106
107 /* 107 /*
108 * TIPC topology subscription service definiti 108 * TIPC topology subscription service definitions
109 */ 109 */
110 110
111 #define TIPC_SUB_PORTS 0x01 /* fil 111 #define TIPC_SUB_PORTS 0x01 /* filter: evt at each match */
112 #define TIPC_SUB_SERVICE 0x02 /* fil 112 #define TIPC_SUB_SERVICE 0x02 /* filter: evt at first up/last down */
113 #define TIPC_SUB_CANCEL 0x04 /* fil 113 #define TIPC_SUB_CANCEL 0x04 /* filter: cancel a subscription */
114 114
115 #define TIPC_WAIT_FOREVER (~0) /* tim 115 #define TIPC_WAIT_FOREVER (~0) /* timeout for permanent subscription */
116 116
117 struct tipc_subscr { 117 struct tipc_subscr {
118 struct tipc_service_range seq; /* ran 118 struct tipc_service_range seq; /* range of interest */
119 __u32 timeout; /* sub 119 __u32 timeout; /* subscription duration (in ms) */
120 __u32 filter; /* bit 120 __u32 filter; /* bitmask of filter options */
121 char usr_handle[8]; /* ava 121 char usr_handle[8]; /* available for subscriber use */
122 }; 122 };
123 123
124 #define TIPC_PUBLISHED 1 /* pub 124 #define TIPC_PUBLISHED 1 /* publication event */
125 #define TIPC_WITHDRAWN 2 /* wit 125 #define TIPC_WITHDRAWN 2 /* withdrawal event */
126 #define TIPC_SUBSCR_TIMEOUT 3 /* sub 126 #define TIPC_SUBSCR_TIMEOUT 3 /* subscription timeout event */
127 127
128 struct tipc_event { 128 struct tipc_event {
129 __u32 event; /* eve 129 __u32 event; /* event type */
130 __u32 found_lower; /* mat 130 __u32 found_lower; /* matching range */
131 __u32 found_upper; /* 131 __u32 found_upper; /* " " */
132 struct tipc_socket_addr port; /* ass 132 struct tipc_socket_addr port; /* associated socket */
133 struct tipc_subscr s; /* ass 133 struct tipc_subscr s; /* associated subscription */
134 }; 134 };
135 135
136 /* 136 /*
137 * Socket API 137 * Socket API
138 */ 138 */
139 139
140 #ifndef AF_TIPC 140 #ifndef AF_TIPC
141 #define AF_TIPC 30 141 #define AF_TIPC 30
142 #endif 142 #endif
143 143
144 #ifndef PF_TIPC 144 #ifndef PF_TIPC
145 #define PF_TIPC AF_TIPC 145 #define PF_TIPC AF_TIPC
146 #endif 146 #endif
147 147
148 #ifndef SOL_TIPC 148 #ifndef SOL_TIPC
149 #define SOL_TIPC 271 149 #define SOL_TIPC 271
150 #endif 150 #endif
151 151
152 #define TIPC_ADDR_MCAST 1 152 #define TIPC_ADDR_MCAST 1
153 #define TIPC_SERVICE_RANGE 1 153 #define TIPC_SERVICE_RANGE 1
154 #define TIPC_SERVICE_ADDR 2 154 #define TIPC_SERVICE_ADDR 2
155 #define TIPC_SOCKET_ADDR 3 155 #define TIPC_SOCKET_ADDR 3
156 156
157 struct sockaddr_tipc { 157 struct sockaddr_tipc {
158 unsigned short family; 158 unsigned short family;
159 unsigned char addrtype; 159 unsigned char addrtype;
160 signed char scope; 160 signed char scope;
161 union { 161 union {
162 struct tipc_socket_addr id; 162 struct tipc_socket_addr id;
163 struct tipc_service_range name 163 struct tipc_service_range nameseq;
164 struct { 164 struct {
165 struct tipc_service_ad 165 struct tipc_service_addr name;
166 __u32 domain; 166 __u32 domain;
167 } name; 167 } name;
168 } addr; 168 } addr;
169 }; 169 };
170 170
171 /* 171 /*
172 * Ancillary data objects supported by recvmsg 172 * Ancillary data objects supported by recvmsg()
173 */ 173 */
174 174
175 #define TIPC_ERRINFO 1 /* error info 175 #define TIPC_ERRINFO 1 /* error info */
176 #define TIPC_RETDATA 2 /* returned da 176 #define TIPC_RETDATA 2 /* returned data */
177 #define TIPC_DESTNAME 3 /* destination 177 #define TIPC_DESTNAME 3 /* destination name */
178 178
179 /* 179 /*
180 * TIPC-specific socket option names 180 * TIPC-specific socket option names
181 */ 181 */
182 182
183 #define TIPC_IMPORTANCE 127 /* Def 183 #define TIPC_IMPORTANCE 127 /* Default: TIPC_LOW_IMPORTANCE */
184 #define TIPC_SRC_DROPPABLE 128 /* Def 184 #define TIPC_SRC_DROPPABLE 128 /* Default: based on socket type */
185 #define TIPC_DEST_DROPPABLE 129 /* Def 185 #define TIPC_DEST_DROPPABLE 129 /* Default: based on socket type */
186 #define TIPC_CONN_TIMEOUT 130 /* Def 186 #define TIPC_CONN_TIMEOUT 130 /* Default: 8000 (ms) */
187 #define TIPC_NODE_RECVQ_DEPTH 131 /* Def 187 #define TIPC_NODE_RECVQ_DEPTH 131 /* Default: none (read only) */
188 #define TIPC_SOCK_RECVQ_DEPTH 132 /* Def 188 #define TIPC_SOCK_RECVQ_DEPTH 132 /* Default: none (read only) */
189 #define TIPC_MCAST_BROADCAST 133 /* Def 189 #define TIPC_MCAST_BROADCAST 133 /* Default: TIPC selects. No arg */
190 #define TIPC_MCAST_REPLICAST 134 /* Def 190 #define TIPC_MCAST_REPLICAST 134 /* Default: TIPC selects. No arg */
191 #define TIPC_GROUP_JOIN 135 /* Tak 191 #define TIPC_GROUP_JOIN 135 /* Takes struct tipc_group_req* */
192 #define TIPC_GROUP_LEAVE 136 /* No 192 #define TIPC_GROUP_LEAVE 136 /* No argument */
193 #define TIPC_SOCK_RECVQ_USED 137 /* Def <<
194 #define TIPC_NODELAY 138 /* Def <<
195 193
196 /* 194 /*
197 * Flag values 195 * Flag values
198 */ 196 */
199 #define TIPC_GROUP_LOOPBACK 0x1 /* Receiv 197 #define TIPC_GROUP_LOOPBACK 0x1 /* Receive copy of sent msg when match */
200 #define TIPC_GROUP_MEMBER_EVTS 0x2 /* Receiv 198 #define TIPC_GROUP_MEMBER_EVTS 0x2 /* Receive membership events in socket */
201 199
202 struct tipc_group_req { 200 struct tipc_group_req {
203 __u32 type; /* group id */ 201 __u32 type; /* group id */
204 __u32 instance; /* member id */ 202 __u32 instance; /* member id */
205 __u32 scope; /* cluster/node */ 203 __u32 scope; /* cluster/node */
206 __u32 flags; 204 __u32 flags;
207 }; 205 };
208 206
209 /* 207 /*
210 * Maximum sizes of TIPC bearer-related names 208 * Maximum sizes of TIPC bearer-related names (including terminating NULL)
211 * The string formatting for each name element 209 * The string formatting for each name element is:
212 * media: media 210 * media: media
213 * interface: media:interface name 211 * interface: media:interface name
214 * link: node:interface-node:interface 212 * link: node:interface-node:interface
215 */ 213 */
216 #define TIPC_NODEID_LEN 16 214 #define TIPC_NODEID_LEN 16
217 #define TIPC_MAX_MEDIA_NAME 16 215 #define TIPC_MAX_MEDIA_NAME 16
218 #define TIPC_MAX_IF_NAME 16 216 #define TIPC_MAX_IF_NAME 16
219 #define TIPC_MAX_BEARER_NAME 32 217 #define TIPC_MAX_BEARER_NAME 32
220 #define TIPC_MAX_LINK_NAME 68 218 #define TIPC_MAX_LINK_NAME 68
221 219
222 #define SIOCGETLINKNAME SIOCPROTOPRIVAT 220 #define SIOCGETLINKNAME SIOCPROTOPRIVATE
223 #define SIOCGETNODEID (SIOCPROTOPRIVA 221 #define SIOCGETNODEID (SIOCPROTOPRIVATE + 1)
224 222
225 struct tipc_sioc_ln_req { 223 struct tipc_sioc_ln_req {
226 __u32 peer; 224 __u32 peer;
227 __u32 bearer_id; 225 __u32 bearer_id;
228 char linkname[TIPC_MAX_LINK_NAME]; 226 char linkname[TIPC_MAX_LINK_NAME];
229 }; 227 };
230 228
231 struct tipc_sioc_nodeid_req { 229 struct tipc_sioc_nodeid_req {
232 __u32 peer; 230 __u32 peer;
233 char node_id[TIPC_NODEID_LEN]; 231 char node_id[TIPC_NODEID_LEN];
234 }; 232 };
235 <<
236 /* <<
237 * TIPC Crypto, AEAD <<
238 */ <<
239 #define TIPC_AEAD_ALG_NAME (32) <<
240 <<
241 struct tipc_aead_key { <<
242 char alg_name[TIPC_AEAD_ALG_NAME]; <<
243 unsigned int keylen; /* in bytes */ <<
244 char key[]; <<
245 }; <<
246 <<
247 #define TIPC_AEAD_KEYLEN_MIN (16 + <<
248 #define TIPC_AEAD_KEYLEN_MAX (32 + <<
249 #define TIPC_AEAD_KEY_SIZE_MAX (sizeo <<
250 <<
251 <<
252 static inline int tipc_aead_key_size(struct ti <<
253 { <<
254 return sizeof(*key) + key->keylen; <<
255 } <<
256 <<
257 #define TIPC_REKEYING_NOW (~0U) <<
258 233
259 /* The macros and functions below are deprecat 234 /* The macros and functions below are deprecated:
260 */ 235 */
261 236
262 #define TIPC_CFG_SRV 0 237 #define TIPC_CFG_SRV 0
263 #define TIPC_ZONE_SCOPE 1 238 #define TIPC_ZONE_SCOPE 1
264 239
265 #define TIPC_ADDR_NAMESEQ 1 240 #define TIPC_ADDR_NAMESEQ 1
266 #define TIPC_ADDR_NAME 2 241 #define TIPC_ADDR_NAME 2
267 #define TIPC_ADDR_ID 3 242 #define TIPC_ADDR_ID 3
268 243
269 #define TIPC_NODE_BITS 12 244 #define TIPC_NODE_BITS 12
270 #define TIPC_CLUSTER_BITS 12 245 #define TIPC_CLUSTER_BITS 12
271 #define TIPC_ZONE_BITS 8 246 #define TIPC_ZONE_BITS 8
272 247
273 #define TIPC_NODE_OFFSET 0 248 #define TIPC_NODE_OFFSET 0
274 #define TIPC_CLUSTER_OFFSET TIPC_NODE_BITS 249 #define TIPC_CLUSTER_OFFSET TIPC_NODE_BITS
275 #define TIPC_ZONE_OFFSET (TIPC_CLUSTER_ 250 #define TIPC_ZONE_OFFSET (TIPC_CLUSTER_OFFSET + TIPC_CLUSTER_BITS)
276 251
277 #define TIPC_NODE_SIZE ((1UL << TIPC_ 252 #define TIPC_NODE_SIZE ((1UL << TIPC_NODE_BITS) - 1)
278 #define TIPC_CLUSTER_SIZE ((1UL << TIPC_ 253 #define TIPC_CLUSTER_SIZE ((1UL << TIPC_CLUSTER_BITS) - 1)
279 #define TIPC_ZONE_SIZE ((1UL << TIPC_ 254 #define TIPC_ZONE_SIZE ((1UL << TIPC_ZONE_BITS) - 1)
280 255
281 #define TIPC_NODE_MASK (TIPC_NODE_SIZ 256 #define TIPC_NODE_MASK (TIPC_NODE_SIZE << TIPC_NODE_OFFSET)
282 #define TIPC_CLUSTER_MASK (TIPC_CLUSTER_ 257 #define TIPC_CLUSTER_MASK (TIPC_CLUSTER_SIZE << TIPC_CLUSTER_OFFSET)
283 #define TIPC_ZONE_MASK (TIPC_ZONE_SIZ 258 #define TIPC_ZONE_MASK (TIPC_ZONE_SIZE << TIPC_ZONE_OFFSET)
284 259
285 #define TIPC_ZONE_CLUSTER_MASK (TIPC_ZONE_MASK 260 #define TIPC_ZONE_CLUSTER_MASK (TIPC_ZONE_MASK | TIPC_CLUSTER_MASK)
286 261
287 #define tipc_portid tipc_socket_addr 262 #define tipc_portid tipc_socket_addr
288 #define tipc_name tipc_service_addr 263 #define tipc_name tipc_service_addr
289 #define tipc_name_seq tipc_service_range 264 #define tipc_name_seq tipc_service_range
290 265
291 static inline __u32 tipc_addr(unsigned int zon 266 static inline __u32 tipc_addr(unsigned int zone,
292 unsigned int clu 267 unsigned int cluster,
293 unsigned int nod 268 unsigned int node)
294 { 269 {
295 return (zone << TIPC_ZONE_OFFSET) | 270 return (zone << TIPC_ZONE_OFFSET) |
296 (cluster << TIPC_CLUSTER_OFFSE 271 (cluster << TIPC_CLUSTER_OFFSET) |
297 node; 272 node;
298 } 273 }
299 274
300 static inline unsigned int tipc_zone(__u32 add 275 static inline unsigned int tipc_zone(__u32 addr)
301 { 276 {
302 return addr >> TIPC_ZONE_OFFSET; 277 return addr >> TIPC_ZONE_OFFSET;
303 } 278 }
304 279
305 static inline unsigned int tipc_cluster(__u32 280 static inline unsigned int tipc_cluster(__u32 addr)
306 { 281 {
307 return (addr & TIPC_CLUSTER_MASK) >> T 282 return (addr & TIPC_CLUSTER_MASK) >> TIPC_CLUSTER_OFFSET;
308 } 283 }
309 284
310 static inline unsigned int tipc_node(__u32 add 285 static inline unsigned int tipc_node(__u32 addr)
311 { 286 {
312 return addr & TIPC_NODE_MASK; 287 return addr & TIPC_NODE_MASK;
313 } 288 }
314 289
315 #endif 290 #endif
316 291
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