/* * net/tipc/server.h: Include file for TIPC server code * * Copyright (c) 2012-2013, 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 _TIPC_SERVER_H#define _TIPC_SERVER_H #include <linux/idr.h>#include <linux/tipc.h>#include <net/net_namespace.h> #define TIPC_SERVER_NAME_LEN	32 /** * struct tipc_server - TIPC server structure * @conn_idr: identifier set of connection * @idr_lock: protect the connection identifier set * @idr_in_use: amount of allocated identifier entry * @net: network namspace instance * @rcvbuf_cache: memory cache of server receive buffer * @rcv_wq: receive workqueue * @send_wq: send workqueue * @max_rcvbuf_size: maximum permitted receive message length * @tipc_conn_new: callback will be called when new connection is incoming * @tipc_conn_release: callback will be called before releasing the connection * @tipc_conn_recvmsg: callback will be called when message arrives * @saddr: TIPC server address * @name: server name * @imp: message importance * @type: socket type */struct tipc_server {	struct idr conn_idr;	spinlock_t idr_lock;	int idr_in_use;	struct net *net;	struct kmem_cache *rcvbuf_cache;	struct workqueue_struct *rcv_wq;	struct workqueue_struct *send_wq;	int max_rcvbuf_size;	void *(*tipc_conn_new)(int conid);	void (*tipc_conn_release)(int conid, void *usr_data);	void (*tipc_conn_recvmsg)(struct net *net, int conid,				  struct sockaddr_tipc *addr, void *usr_data,				  void *buf, size_t len);	struct sockaddr_tipc *saddr;	char name[TIPC_SERVER_NAME_LEN];	int imp;	int type;}; int tipc_conn_sendmsg(struct tipc_server *s, int conid,		      struct sockaddr_tipc *addr, void *data, size_t len); /** * tipc_conn_terminate - terminate connection with server * * Note: Must call it in process context since it might sleep */void tipc_conn_terminate(struct tipc_server *s, int conid); int tipc_server_start(struct tipc_server *s); void tipc_server_stop(struct tipc_server *s); #endif