1 /*
2 * net/tipc/name_distr.h: Include file for TIPC name distribution code
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_NAME_DISTR_H
38 #define _TIPC_NAME_DISTR_H
39
40 #include "name_table.h"
41
42 #define ITEM_SIZE sizeof(struct distr_item)
43
44 /**
45 * struct distr_item - publication info distributed to other nodes
46 * @type: name sequence type
47 * @lower: name sequence lower bound
48 * @upper: name sequence upper bound
49 * @ref: publishing port reference
50 * @key: publication key
51 *
52 * ===> All fields are stored in network byte order. <===
53 *
54 * First 3 fields identify (name or) name sequence being published.
55 * Reference field uniquely identifies port that published name sequence.
56 * Key field uniquely identifies publication, in the event a port has
57 * multiple publications of the same name sequence.
58 *
59 * Note: There is no field that identifies the publishing node because it is
60 * the same for all items contained within a publication message.
61 */
62 struct distr_item {
63 __be32 type;
64 __be32 lower;
65 __be32 upper;
66 __be32 port;
67 __be32 key;
68 };
69
70 struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ);
71 struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ);
72 void tipc_named_node_up(struct net *net, u32 dnode);
73 void tipc_named_rcv(struct net *net, struct sk_buff_head *msg_queue);
74 void tipc_named_reinit(struct net *net);
75 void tipc_publ_notify(struct net *net, struct list_head *nsub_list, u32 addr);
76
77 #endif