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b97bf3fd | 1 | /* |
5b06c85c | 2 | * net/tipc/subscr.h: Include file for TIPC network topology service |
c4307285 | 3 | * |
9da1c8b6 | 4 | * Copyright (c) 2003-2006, Ericsson AB |
13a2e898 | 5 | * Copyright (c) 2005-2007, 2012-2013, Wind River Systems |
b97bf3fd PL |
6 | * All rights reserved. |
7 | * | |
9ea1fd3c | 8 | * Redistribution and use in source and binary forms, with or without |
b97bf3fd PL |
9 | * modification, are permitted provided that the following conditions are met: |
10 | * | |
9ea1fd3c PL |
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. | |
b97bf3fd | 19 | * |
9ea1fd3c PL |
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 | |
b97bf3fd PL |
34 | * POSSIBILITY OF SUCH DAMAGE. |
35 | */ | |
36 | ||
37 | #ifndef _TIPC_SUBSCR_H | |
38 | #define _TIPC_SUBSCR_H | |
39 | ||
13a2e898 YX |
40 | #include "server.h" |
41 | ||
859fc7c0 YX |
42 | #define TIPC_MAX_SUBSCRIPTIONS 65535 |
43 | #define TIPC_MAX_PUBLICATIONS 65535 | |
44 | ||
fead3909 | 45 | struct tipc_subscription; |
13a2e898 | 46 | struct tipc_subscriber; |
e15f8804 | 47 | |
b97bf3fd | 48 | /** |
fead3909 | 49 | * struct tipc_subscription - TIPC network topology subscription object |
13a2e898 | 50 | * @subscriber: pointer to its subscriber |
b97bf3fd | 51 | * @seq: name sequence associated with subscription |
4ac1c8d0 | 52 | * @net: point to network namespace |
b97bf3fd PL |
53 | * @timeout: duration of subscription (in ms) |
54 | * @filter: event filtering to be done for subscription | |
5b06c85c AS |
55 | * @timer: timer governing subscription duration (optional) |
56 | * @nameseq_list: adjacent subscriptions in name sequence's subscription list | |
57f1d186 | 57 | * @subscrp_list: adjacent subscriptions in subscriber's subscription list |
28353e7f | 58 | * @server_ref: object reference of server port associated with subscription |
db5a753b | 59 | * @swap: indicates if subscriber uses opposite endianness in its messages |
b97bf3fd | 60 | * @evt: template for events generated by subscription |
b97bf3fd | 61 | */ |
fead3909 | 62 | struct tipc_subscription { |
13a2e898 | 63 | struct tipc_subscriber *subscriber; |
b97bf3fd | 64 | struct tipc_name_seq seq; |
4ac1c8d0 | 65 | struct net *net; |
2f55c437 | 66 | unsigned long timeout; |
b97bf3fd | 67 | u32 filter; |
5b06c85c AS |
68 | struct timer_list timer; |
69 | struct list_head nameseq_list; | |
57f1d186 | 70 | struct list_head subscrp_list; |
db5a753b | 71 | int swap; |
b97bf3fd | 72 | struct tipc_event evt; |
b97bf3fd PL |
73 | }; |
74 | ||
57f1d186 YX |
75 | int tipc_subscrp_check_overlap(struct tipc_subscription *sub, u32 found_lower, |
76 | u32 found_upper); | |
77 | void tipc_subscrp_report_overlap(struct tipc_subscription *sub, | |
78 | u32 found_lower, u32 found_upper, u32 event, | |
79 | u32 port_ref, u32 node, int must); | |
80 | int tipc_topsrv_start(struct net *net); | |
81 | void tipc_topsrv_stop(struct net *net); | |
b97bf3fd | 82 | |
b97bf3fd | 83 | #endif |