/* * net/tipc/zone.h: Include file for TIPC zone management routines *  * Copyright (c) 2000-2006, 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 _TIPC_ZONE_H#define _TIPC_ZONE_H #include "node_subscr.h"#include "net.h"  /** * struct _zone - TIPC zone structure * @addr: network address of zone * @clusters: array of pointers to all clusters within zone * @links: (used for inter-zone communication) */ struct _zone {	u32 addr;	struct cluster *clusters[2]; /* currently limited to just 1 cluster */	u32 links;}; struct node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref);u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref);void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router);void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest);struct _zone *tipc_zone_create(u32 addr);void tipc_zone_delete(struct _zone *z_ptr);void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr);u32 tipc_zone_next_node(u32 addr); static inline struct _zone *tipc_zone_find(u32 addr){	return tipc_net.zones[tipc_zone(addr)];} #endif