1 /*
2 * net/tipc/name_table.h: Include file for TIPC name table code
3 *
4 * Copyright (c) 2000-2006, Ericsson AB
5 * Copyright (c) 2004-2005, 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_NAME_TABLE_H
38 #define _TIPC_NAME_TABLE_H
39
40 #include "node_subscr.h"
41
42 struct subscription;
43 struct port_list;
44
45 /*
46 * TIPC name types reserved for internal TIPC use (both current and planned)
47 */
48
49 #define TIPC_ZM_SRV 3 /* zone master service name type */
50
51
52 /**
53 * struct publication - info about a published (name or) name sequence
54 * @type: name sequence type
55 * @lower: name sequence lower bound
56 * @upper: name sequence upper bound
57 * @scope: scope of publication
58 * @node: network address of publishing port's node
59 * @ref: publishing port
60 * @key: publication key
61 * @subscr: subscription to "node down" event (for off-node publications only)
62 * @local_list: adjacent entries in list of publications made by this node
63 * @pport_list: adjacent entries in list of publications made by this port
64 * @node_list: next matching name seq publication with >= node scope
65 * @cluster_list: next matching name seq publication with >= cluster scope
66 * @zone_list: next matching name seq publication with >= zone scope
67 *
68 * Note that the node list, cluster list, and zone list are circular lists.
69 */
70
71 struct publication {
72 u32 type;
73 u32 lower;
74 u32 upper;
75 u32 scope;
76 u32 node;
77 u32 ref;
78 u32 key;
79 struct node_subscr subscr;
80 struct list_head local_list;
81 struct list_head pport_list;
82 struct publication *node_list_next;
83 struct publication *cluster_list_next;
84 struct publication *zone_list_next;
85 };
86
87
88 extern rwlock_t tipc_nametbl_lock;
89
90 struct sk_buff *tipc_nametbl_get(const void *req_tlv_area, int req_tlv_space);
91 u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *node);
92 int tipc_nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
93 struct port_list *dports);
94 int tipc_nametbl_publish_rsv(u32 ref, unsigned int scope,
95 struct tipc_name_seq const *seq);
96 struct publication *tipc_nametbl_publish(u32 type, u32 lower, u32 upper,
97 u32 scope, u32 port_ref, u32 key);
98 int tipc_nametbl_withdraw(u32 type, u32 lower, u32 ref, u32 key);
99 struct publication *tipc_nametbl_insert_publ(u32 type, u32 lower, u32 upper,
100 u32 scope, u32 node, u32 ref, u32 key);
101 struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower,
102 u32 node, u32 ref, u32 key);
103 void tipc_nametbl_subscribe(struct subscription *s);
104 void tipc_nametbl_unsubscribe(struct subscription *s);
105 int tipc_nametbl_init(void);
106 void tipc_nametbl_stop(void);
107
108 #endif
109
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