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1/*
2 * net/tipc/name_table.h: Include file for TIPC name table code
3 *
4 * Copyright (c) 2003-2005, Ericsson Research Canada
5 * Copyright (c) 2004-2005, 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_NAME_TABLE_H
35#define _TIPC_NAME_TABLE_H
36
37#include "node_subscr.h"
38
39struct subscription;
40struct port_list;
41
42/*
43 * TIPC name types reserved for internal TIPC use (both current and planned)
44 */
45
46#define TIPC_ZM_SRV 3 /* zone master service name type */
47
48
49/**
50 * struct publication - info about a published (name or) name sequence
51 * @type: name sequence type
52 * @lower: name sequence lower bound
53 * @upper: name sequence upper bound
54 * @scope: scope of publication
55 * @node: network address of publishing port's node
56 * @ref: publishing port
57 * @key: publication key
58 * @subscr: subscription to "node down" event (for off-node publications only)
59 * @local_list: adjacent entries in list of publications made by this node
60 * @pport_list: adjacent entries in list of publications made by this port
61 * @node_list: next matching name seq publication with >= node scope
62 * @cluster_list: next matching name seq publication with >= cluster scope
63 * @zone_list: next matching name seq publication with >= zone scope
64 *
65 * Note that the node list, cluster list, and zone list are circular lists.
66 */
67
68struct publication {
69 u32 type;
70 u32 lower;
71 u32 upper;
72 u32 scope;
73 u32 node;
74 u32 ref;
75 u32 key;
76 struct node_subscr subscr;
77 struct list_head local_list;
78 struct list_head pport_list;
79 struct publication *node_list_next;
80 struct publication *cluster_list_next;
81 struct publication *zone_list_next;
82};
83
84
85extern rwlock_t nametbl_lock;
86
87struct sk_buff *nametbl_get(const void *req_tlv_area, int req_tlv_space);
88u32 nametbl_translate(u32 type, u32 instance, u32 *node);
89int nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
90 struct port_list *dports);
91int nametbl_publish_rsv(u32 ref, unsigned int scope,
92 struct tipc_name_seq const *seq);
93struct publication *nametbl_publish(u32 type, u32 lower, u32 upper,
94 u32 scope, u32 port_ref, u32 key);
95int nametbl_withdraw(u32 type, u32 lower, u32 ref, u32 key);
96struct publication *nametbl_insert_publ(u32 type, u32 lower, u32 upper,
97 u32 scope, u32 node, u32 ref, u32 key);
98struct publication *nametbl_remove_publ(u32 type, u32 lower,
99 u32 node, u32 ref, u32 key);
100void nametbl_subscribe(struct subscription *s);
101void nametbl_unsubscribe(struct subscription *s);
102int nametbl_init(void);
103void nametbl_stop(void);
104
105#endif