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1 | /* |
2 | * net/tipc/zone.h: Include file for TIPC zone management routines |
3 | * |
4 | * Copyright (c) 2000-2006, Ericsson AB |
5 | * Copyright (c) 2005-2006, 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_ZONE_H |
38 | #define _TIPC_ZONE_H |
39 | |
40 | #include "node_subscr.h" |
41 | #include "net.h" |
42 | |
43 | |
44 | /** |
45 | * struct _zone - TIPC zone structure |
46 | * @addr: network address of zone |
47 | * @clusters: array of pointers to all clusters within zone |
48 | * @links: number of (unicast) links to zone |
49 | */ |
50 | |
51 | struct _zone { |
52 | u32 addr; |
53 | struct cluster *clusters[2]; /* currently limited to just 1 cluster */ |
54 | u32 links; |
55 | }; |
56 | |
57 | struct tipc_node *tipc_zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref); |
58 | u32 tipc_zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref); |
59 | void tipc_zone_remove_as_router(struct _zone *z_ptr, u32 router); |
60 | void tipc_zone_send_external_routes(struct _zone *z_ptr, u32 dest); |
61 | struct _zone *tipc_zone_create(u32 addr); |
62 | void tipc_zone_delete(struct _zone *z_ptr); |
63 | void tipc_zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr); |
64 | u32 tipc_zone_next_node(u32 addr); |
65 | |
66 | static inline struct _zone *tipc_zone_find(u32 addr) |
67 | { |
68 | return tipc_net.zones[tipc_zone(addr)]; |
69 | } |
70 | |
71 | #endif |
72 |
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v2.6.34-rc5
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