aboutsummaryrefslogtreecommitdiffstats
path: root/net/tipc/zone.h
diff options
context:
space:
mode:
Diffstat (limited to 'net/tipc/zone.h')
-rw-r--r--net/tipc/zone.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/net/tipc/zone.h b/net/tipc/zone.h
new file mode 100644
index 000000000000..19fd51a8bd2b
--- /dev/null
+++ b/net/tipc/zone.h
@@ -0,0 +1,68 @@
1/*
2 * net/tipc/zone.h: Include file for TIPC zone management routines
3 *
4 * Copyright (c) 2003-2005, Ericsson Research Canada
5 * Copyright (c) 2005, Wind River Systems
6 * Copyright (c) 2005-2006, Ericsson AB
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 * Redistributions of source code must retain the above copyright notice, this
13 * list of conditions and the following disclaimer.
14 * Redistributions in binary form must reproduce the above copyright notice,
15 * this list of conditions and the following disclaimer in the documentation
16 * and/or other materials provided with the distribution.
17 * Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or promote products derived from this
19 * software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _TIPC_ZONE_H
35#define _TIPC_ZONE_H
36
37#include "node_subscr.h"
38#include "net.h"
39
40
41/**
42 * struct _zone - TIPC zone structure
43 * @addr: network address of zone
44 * @clusters: array of pointers to all clusters within zone
45 * @links: (used for inter-zone communication)
46 */
47
48struct _zone {
49 u32 addr;
50 struct cluster *clusters[2]; /* currently limited to just 1 cluster */
51 u32 links;
52};
53
54struct node *zone_select_remote_node(struct _zone *z_ptr, u32 addr, u32 ref);
55u32 zone_select_router(struct _zone *z_ptr, u32 addr, u32 ref);
56void zone_remove_as_router(struct _zone *z_ptr, u32 router);
57void zone_send_external_routes(struct _zone *z_ptr, u32 dest);
58struct _zone *zone_create(u32 addr);
59void zone_delete(struct _zone *z_ptr);
60void zone_attach_cluster(struct _zone *z_ptr, struct cluster *c_ptr);
61u32 zone_next_node(u32 addr);
62
63static inline struct _zone *zone_find(u32 addr)
64{
65 return net.zones[tipc_zone(addr)];
66}
67
68#endif