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c430728526
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
72 lines
2.8 KiB
C
72 lines
2.8 KiB
C
/*
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* net/tipc/zone.h: Include file for TIPC zone management routines
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*
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* Copyright (c) 2000-2006, Ericsson AB
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* Copyright (c) 2005-2006, Wind River Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TIPC_ZONE_H
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#define _TIPC_ZONE_H
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#include "node_subscr.h"
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#include "net.h"
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/**
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* struct _zone - TIPC zone structure
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* @addr: network address of zone
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* @clusters: array of pointers to all clusters within zone
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* @links: number of (unicast) links to zone
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*/
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struct _zone {
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u32 addr;
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struct cluster *clusters[2]; /* currently limited to just 1 cluster */
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u32 links;
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};
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struct node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref);
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u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref);
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void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router);
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void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest);
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struct _zone *tipc_zone_create(u32 addr);
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void tipc_zone_delete(struct _zone *z_ptr);
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void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr);
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u32 tipc_zone_next_node(u32 addr);
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static inline struct _zone *tipc_zone_find(u32 addr)
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{
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return tipc_net.zones[tipc_zone(addr)];
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}
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#endif
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