home *** CD-ROM | disk | FTP | other *** search
- /*
- * include/linux/tipc.h: Include file for TIPC socket interface
- *
- * Copyright (c) 2003-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the names of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
- #ifndef _LINUX_TIPC_H_
- #define _LINUX_TIPC_H_
-
- #include <linux/types.h>
-
- /*
- * TIPC addressing primitives
- */
-
- struct tipc_portid {
- __u32 ref;
- __u32 node;
- };
-
- struct tipc_name {
- __u32 type;
- __u32 instance;
- };
-
- struct tipc_name_seq {
- __u32 type;
- __u32 lower;
- __u32 upper;
- };
-
- static inline __u32 tipc_addr(unsigned int zone,
- unsigned int cluster,
- unsigned int node)
- {
- return (zone << 24) | (cluster << 12) | node;
- }
-
- static inline unsigned int tipc_zone(__u32 addr)
- {
- return addr >> 24;
- }
-
- static inline unsigned int tipc_cluster(__u32 addr)
- {
- return (addr >> 12) & 0xfff;
- }
-
- static inline unsigned int tipc_node(__u32 addr)
- {
- return addr & 0xfff;
- }
-
- /*
- * Application-accessible port name types
- */
-
- #define TIPC_CFG_SRV 0 /* configuration service name type */
- #define TIPC_TOP_SRV 1 /* topology service name type */
- #define TIPC_RESERVED_TYPES 64 /* lowest user-publishable name type */
-
- /*
- * Publication scopes when binding port names and port name sequences
- */
-
- #define TIPC_ZONE_SCOPE 1
- #define TIPC_CLUSTER_SCOPE 2
- #define TIPC_NODE_SCOPE 3
-
- /*
- * Limiting values for messages
- */
-
- #define TIPC_MAX_USER_MSG_SIZE 66000
-
- /*
- * Message importance levels
- */
-
- #define TIPC_LOW_IMPORTANCE 0 /* default */
- #define TIPC_MEDIUM_IMPORTANCE 1
- #define TIPC_HIGH_IMPORTANCE 2
- #define TIPC_CRITICAL_IMPORTANCE 3
-
- /*
- * Msg rejection/connection shutdown reasons
- */
-
- #define TIPC_OK 0
- #define TIPC_ERR_NO_NAME 1
- #define TIPC_ERR_NO_PORT 2
- #define TIPC_ERR_NO_NODE 3
- #define TIPC_ERR_OVERLOAD 4
- #define TIPC_CONN_SHUTDOWN 5
-
- /*
- * TIPC topology subscription service definitions
- */
-
- #define TIPC_SUB_PORTS 0x01 /* filter for port availability */
- #define TIPC_SUB_SERVICE 0x02 /* filter for service availability */
- #define TIPC_SUB_CANCEL 0x04 /* cancel a subscription */
- #if 0
- /* The following filter options are not currently implemented */
- #define TIPC_SUB_NO_BIND_EVTS 0x04 /* filter out "publish" events */
- #define TIPC_SUB_NO_UNBIND_EVTS 0x08 /* filter out "withdraw" events */
- #define TIPC_SUB_SINGLE_EVT 0x10 /* expire after first event */
- #endif
-
- #define TIPC_WAIT_FOREVER ~0 /* timeout for permanent subscription */
-
- struct tipc_subscr {
- struct tipc_name_seq seq; /* name sequence of interest */
- __u32 timeout; /* subscription duration (in ms) */
- __u32 filter; /* bitmask of filter options */
- char usr_handle[8]; /* available for subscriber use */
- };
-
- #define TIPC_PUBLISHED 1 /* publication event */
- #define TIPC_WITHDRAWN 2 /* withdraw event */
- #define TIPC_SUBSCR_TIMEOUT 3 /* subscription timeout event */
-
- struct tipc_event {
- __u32 event; /* event type */
- __u32 found_lower; /* matching name seq instances */
- __u32 found_upper; /* " " " " */
- struct tipc_portid port; /* associated port */
- struct tipc_subscr s; /* associated subscription */
- };
-
- /*
- * Socket API
- */
-
- #ifndef AF_TIPC
- #define AF_TIPC 30
- #endif
-
- #ifndef PF_TIPC
- #define PF_TIPC AF_TIPC
- #endif
-
- #ifndef SOL_TIPC
- #define SOL_TIPC 271
- #endif
-
- #define TIPC_ADDR_NAMESEQ 1
- #define TIPC_ADDR_MCAST 1
- #define TIPC_ADDR_NAME 2
- #define TIPC_ADDR_ID 3
-
- struct sockaddr_tipc {
- unsigned short family;
- unsigned char addrtype;
- signed char scope;
- union {
- struct tipc_portid id;
- struct tipc_name_seq nameseq;
- struct {
- struct tipc_name name;
- __u32 domain; /* 0: own zone */
- } name;
- } addr;
- };
-
- /*
- * Ancillary data objects supported by recvmsg()
- */
-
- #define TIPC_ERRINFO 1 /* error info */
- #define TIPC_RETDATA 2 /* returned data */
- #define TIPC_DESTNAME 3 /* destination name */
-
- /*
- * TIPC-specific socket option values
- */
-
- #define TIPC_IMPORTANCE 127 /* Default: TIPC_LOW_IMPORTANCE */
- #define TIPC_SRC_DROPPABLE 128 /* Default: 0 (resend congested msg) */
- #define TIPC_DEST_DROPPABLE 129 /* Default: based on socket type */
- #define TIPC_CONN_TIMEOUT 130 /* Default: 8000 (ms) */
-
- #endif
-