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/* * 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 */ #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