2 * include/linux/tipc.h: Include file for TIPC socket interface
4 * Copyright (c) 2003-2006, Ericsson AB
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>
43 * TIPC addressing primitives
56 struct tipc_name_seq {
62 static inline __u32 tipc_addr(unsigned int zone,
66 return (zone << 24) | (cluster << 12) | node;
69 static inline unsigned int tipc_zone(__u32 addr)
74 static inline unsigned int tipc_cluster(__u32 addr)
76 return (addr >> 12) & 0xfff;
79 static inline unsigned int tipc_node(__u32 addr)
85 * Application-accessible port name types
88 #define TIPC_CFG_SRV 0 /* configuration service name type */
89 #define TIPC_TOP_SRV 1 /* topology service name type */
90 #define TIPC_RESERVED_TYPES 64 /* lowest user-publishable name type */
93 * Publication scopes when binding port names and port name sequences
96 #define TIPC_ZONE_SCOPE 1
97 #define TIPC_CLUSTER_SCOPE 2
98 #define TIPC_NODE_SCOPE 3
101 * Limiting values for messages
104 #define TIPC_MAX_USER_MSG_SIZE 66000U
107 * Message importance levels
110 #define TIPC_LOW_IMPORTANCE 0
111 #define TIPC_MEDIUM_IMPORTANCE 1
112 #define TIPC_HIGH_IMPORTANCE 2
113 #define TIPC_CRITICAL_IMPORTANCE 3
116 * Msg rejection/connection shutdown reasons
120 #define TIPC_ERR_NO_NAME 1
121 #define TIPC_ERR_NO_PORT 2
122 #define TIPC_ERR_NO_NODE 3
123 #define TIPC_ERR_OVERLOAD 4
124 #define TIPC_CONN_SHUTDOWN 5
127 * TIPC topology subscription service definitions
130 #define TIPC_SUB_PORTS 0x01 /* filter for port availability */
131 #define TIPC_SUB_SERVICE 0x02 /* filter for service availability */
132 #define TIPC_SUB_CANCEL 0x04 /* cancel a subscription */
134 #define TIPC_WAIT_FOREVER (~0) /* timeout for permanent subscription */
137 struct tipc_name_seq seq; /* name sequence of interest */
138 __u32 timeout; /* subscription duration (in ms) */
139 __u32 filter; /* bitmask of filter options */
140 char usr_handle[8]; /* available for subscriber use */
143 #define TIPC_PUBLISHED 1 /* publication event */
144 #define TIPC_WITHDRAWN 2 /* withdraw event */
145 #define TIPC_SUBSCR_TIMEOUT 3 /* subscription timeout event */
148 __u32 event; /* event type */
149 __u32 found_lower; /* matching name seq instances */
150 __u32 found_upper; /* " " " " */
151 struct tipc_portid port; /* associated port */
152 struct tipc_subscr s; /* associated subscription */
164 #define PF_TIPC AF_TIPC
171 #define TIPC_ADDR_NAMESEQ 1
172 #define TIPC_ADDR_MCAST 1
173 #define TIPC_ADDR_NAME 2
174 #define TIPC_ADDR_ID 3
176 struct sockaddr_tipc {
177 unsigned short family;
178 unsigned char addrtype;
181 struct tipc_portid id;
182 struct tipc_name_seq nameseq;
184 struct tipc_name name;
191 * Ancillary data objects supported by recvmsg()
194 #define TIPC_ERRINFO 1 /* error info */
195 #define TIPC_RETDATA 2 /* returned data */
196 #define TIPC_DESTNAME 3 /* destination name */
199 * TIPC-specific socket option values
202 #define TIPC_IMPORTANCE 127 /* Default: TIPC_LOW_IMPORTANCE */
203 #define TIPC_SRC_DROPPABLE 128 /* Default: based on socket type */
204 #define TIPC_DEST_DROPPABLE 129 /* Default: based on socket type */
205 #define TIPC_CONN_TIMEOUT 130 /* Default: 8000 (ms) */
206 #define TIPC_NODE_RECVQ_DEPTH 131 /* Default: none (read only) */
207 #define TIPC_SOCK_RECVQ_DEPTH 132 /* Default: none (read only) */