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 | * @port: 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, u16 capabilities); |
73 | void tipc_named_rcv(struct net *net, struct sk_buff_head *namedq, |
74 | u16 *rcv_nxt, bool *open); |
75 | void tipc_named_reinit(struct net *net); |
76 | void tipc_publ_notify(struct net *net, struct list_head *nsub_list, |
77 | u32 addr, u16 capabilities); |
78 | |
79 | #endif |
80 | |