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1/*
2 * net/tipc/cluster.h: Include file for TIPC cluster management routines
3 *
4 * Copyright (c) 2000-2006, Ericsson AB
5 * Copyright (c) 2005, Wind River Systems
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#ifndef _TIPC_CLUSTER_H
38#define _TIPC_CLUSTER_H
39
40#include "addr.h"
41#include "net.h"
42
43/**
44 * struct cluster - TIPC cluster structure
45 * @addr: network address of cluster
46 * @nodes: array of pointers to all nodes within cluster
47 * @highest_node: id of highest numbered node within cluster
48 */
49
50struct cluster {
51 u32 addr;
52 struct tipc_node **nodes;
53 u32 highest_node;
54};
55
56
57extern struct tipc_node **tipc_local_nodes;
58extern struct tipc_node_map tipc_cltr_bcast_nodes;
59
60struct cluster *tipc_cltr_create(u32 addr);
61void tipc_cltr_delete(struct cluster *c_ptr);
62void tipc_cltr_attach_node(struct cluster *c_ptr, struct tipc_node *n_ptr);
63void tipc_cltr_broadcast(struct sk_buff *buf);
64int tipc_cltr_init(void);
65
66static inline struct cluster *tipc_cltr_find(u32 addr)
67{
68 if (!in_own_cluster(addr))
69 return NULL;
70 return tipc_net.clusters[1];
71}
72
73#endif