2 * include/uapi/linux/tipc.h: Header for TIPC socket interface
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5 * Copyright (c) 2005, 2010-2011, Wind River Systems
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37 #ifndef _LINUX_TIPC_H_
38 #define _LINUX_TIPC_H_
40 #include <linux/types.h>
41 #include <linux/sockios.h>
44 * TIPC addressing primitives
57 struct tipc_name_seq {
63 /* TIPC Address Size, Offset, Mask specification for Z.C.N
65 #define TIPC_NODE_BITS 12
66 #define TIPC_CLUSTER_BITS 12
67 #define TIPC_ZONE_BITS 8
69 #define TIPC_NODE_OFFSET 0
70 #define TIPC_CLUSTER_OFFSET TIPC_NODE_BITS
71 #define TIPC_ZONE_OFFSET (TIPC_CLUSTER_OFFSET + TIPC_CLUSTER_BITS)
73 #define TIPC_NODE_SIZE ((1UL << TIPC_NODE_BITS) - 1)
74 #define TIPC_CLUSTER_SIZE ((1UL << TIPC_CLUSTER_BITS) - 1)
75 #define TIPC_ZONE_SIZE ((1UL << TIPC_ZONE_BITS) - 1)
77 #define TIPC_NODE_MASK (TIPC_NODE_SIZE << TIPC_NODE_OFFSET)
78 #define TIPC_CLUSTER_MASK (TIPC_CLUSTER_SIZE << TIPC_CLUSTER_OFFSET)
79 #define TIPC_ZONE_MASK (TIPC_ZONE_SIZE << TIPC_ZONE_OFFSET)
81 #define TIPC_ZONE_CLUSTER_MASK (TIPC_ZONE_MASK | TIPC_CLUSTER_MASK)
83 static inline __u32 tipc_addr(unsigned int zone,
87 return (zone << TIPC_ZONE_OFFSET) |
88 (cluster << TIPC_CLUSTER_OFFSET) |
92 static inline unsigned int tipc_zone(__u32 addr)
94 return addr >> TIPC_ZONE_OFFSET;
97 static inline unsigned int tipc_cluster(__u32 addr)
99 return (addr & TIPC_CLUSTER_MASK) >> TIPC_CLUSTER_OFFSET;
102 static inline unsigned int tipc_node(__u32 addr)
104 return addr & TIPC_NODE_MASK;
108 * Application-accessible port name types
111 #define TIPC_CFG_SRV 0 /* configuration service name type */
112 #define TIPC_TOP_SRV 1 /* topology service name type */
113 #define TIPC_LINK_STATE 2 /* link state name type */
114 #define TIPC_RESERVED_TYPES 64 /* lowest user-publishable name type */
117 * Publication scopes when binding port names and port name sequences
120 #define TIPC_ZONE_SCOPE 1
121 #define TIPC_CLUSTER_SCOPE 2
122 #define TIPC_NODE_SCOPE 3
125 * Limiting values for messages
128 #define TIPC_MAX_USER_MSG_SIZE 66000U
131 * Message importance levels
134 #define TIPC_LOW_IMPORTANCE 0
135 #define TIPC_MEDIUM_IMPORTANCE 1
136 #define TIPC_HIGH_IMPORTANCE 2
137 #define TIPC_CRITICAL_IMPORTANCE 3
140 * Msg rejection/connection shutdown reasons
144 #define TIPC_ERR_NO_NAME 1
145 #define TIPC_ERR_NO_PORT 2
146 #define TIPC_ERR_NO_NODE 3
147 #define TIPC_ERR_OVERLOAD 4
148 #define TIPC_CONN_SHUTDOWN 5
151 * TIPC topology subscription service definitions
154 #define TIPC_SUB_PORTS 0x01 /* filter for port availability */
155 #define TIPC_SUB_SERVICE 0x02 /* filter for service availability */
156 #define TIPC_SUB_CANCEL 0x04 /* cancel a subscription */
158 #define TIPC_WAIT_FOREVER (~0) /* timeout for permanent subscription */
161 struct tipc_name_seq seq; /* name sequence of interest */
162 __u32 timeout; /* subscription duration (in ms) */
163 __u32 filter; /* bitmask of filter options */
164 char usr_handle[8]; /* available for subscriber use */
167 #define TIPC_PUBLISHED 1 /* publication event */
168 #define TIPC_WITHDRAWN 2 /* withdraw event */
169 #define TIPC_SUBSCR_TIMEOUT 3 /* subscription timeout event */
172 __u32 event; /* event type */
173 __u32 found_lower; /* matching name seq instances */
174 __u32 found_upper; /* " " " " */
175 struct tipc_portid port; /* associated port */
176 struct tipc_subscr s; /* associated subscription */
188 #define PF_TIPC AF_TIPC
195 #define TIPC_ADDR_NAMESEQ 1
196 #define TIPC_ADDR_MCAST 1
197 #define TIPC_ADDR_NAME 2
198 #define TIPC_ADDR_ID 3
200 struct sockaddr_tipc {
201 unsigned short family;
202 unsigned char addrtype;
205 struct tipc_portid id;
206 struct tipc_name_seq nameseq;
208 struct tipc_name name;
215 * Ancillary data objects supported by recvmsg()
218 #define TIPC_ERRINFO 1 /* error info */
219 #define TIPC_RETDATA 2 /* returned data */
220 #define TIPC_DESTNAME 3 /* destination name */
223 * TIPC-specific socket option names
226 #define TIPC_IMPORTANCE 127 /* Default: TIPC_LOW_IMPORTANCE */
227 #define TIPC_SRC_DROPPABLE 128 /* Default: based on socket type */
228 #define TIPC_DEST_DROPPABLE 129 /* Default: based on socket type */
229 #define TIPC_CONN_TIMEOUT 130 /* Default: 8000 (ms) */
230 #define TIPC_NODE_RECVQ_DEPTH 131 /* Default: none (read only) */
231 #define TIPC_SOCK_RECVQ_DEPTH 132 /* Default: none (read only) */
232 #define TIPC_MCAST_BROADCAST 133 /* Default: TIPC selects. No arg */
233 #define TIPC_MCAST_REPLICAST 134 /* Default: TIPC selects. No arg */
236 * Maximum sizes of TIPC bearer-related names (including terminating NULL)
237 * The string formatting for each name element is:
239 * interface: media:interface name
240 * link: Z.C.N:interface-Z.C.N:interface
244 #define TIPC_MAX_MEDIA_NAME 16
245 #define TIPC_MAX_IF_NAME 16
246 #define TIPC_MAX_BEARER_NAME 32
247 #define TIPC_MAX_LINK_NAME 60
249 #define SIOCGETLINKNAME SIOCPROTOPRIVATE
251 struct tipc_sioc_ln_req {
254 char linkname[TIPC_MAX_LINK_NAME];