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Per Lidenb97bf3f2006-01-02 19:04:38 +01001/*
Allan Stephens5b06c85c2008-05-19 13:30:13 -07002 * net/tipc/subscr.h: Include file for TIPC network topology service
YOSHIFUJI Hideakic4307282007-02-09 23:25:21 +09003 *
Per Liden9da1c8b2006-01-11 18:40:41 +01004 * Copyright (c) 2003-2006, Ericsson AB
Allan Stephens5b06c85c2008-05-19 13:30:13 -07005 * Copyright (c) 2005-2007, Wind River Systems
Per Lidenb97bf3f2006-01-02 19:04:38 +01006 * All rights reserved.
7 *
Per Liden9ea1fd32006-01-11 13:30:43 +01008 * Redistribution and use in source and binary forms, with or without
Per Lidenb97bf3f2006-01-02 19:04:38 +01009 * modification, are permitted provided that the following conditions are met:
10 *
Per Liden9ea1fd32006-01-11 13:30:43 +010011 * 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.
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18 * this software without specific prior written permission.
Per Lidenb97bf3f2006-01-02 19:04:38 +010019 *
Per Liden9ea1fd32006-01-11 13:30:43 +010020 * 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
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Per Lidenb97bf3f2006-01-02 19:04:38 +010034 * POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#ifndef _TIPC_SUBSCR_H
38#define _TIPC_SUBSCR_H
39
Allan Stephense15f8802008-05-19 13:27:31 -070040struct subscription;
41
Per Lidenb97bf3f2006-01-02 19:04:38 +010042/**
43 * struct subscription - TIPC network topology subscription object
44 * @seq: name sequence associated with subscription
45 * @timeout: duration of subscription (in ms)
46 * @filter: event filtering to be done for subscription
Allan Stephens5b06c85c2008-05-19 13:30:13 -070047 * @timer: timer governing subscription duration (optional)
48 * @nameseq_list: adjacent subscriptions in name sequence's subscription list
49 * @subscription_list: adjacent subscriptions in subscriber's subscription list
Allan Stephens28353e72008-05-19 13:29:47 -070050 * @server_ref: object reference of server port associated with subscription
Neil Hormandb5a7532010-10-21 01:06:16 +000051 * @swap: indicates if subscriber uses opposite endianness in its messages
Per Lidenb97bf3f2006-01-02 19:04:38 +010052 * @evt: template for events generated by subscription
Per Lidenb97bf3f2006-01-02 19:04:38 +010053 */
YOSHIFUJI Hideakic4307282007-02-09 23:25:21 +090054
Per Lidenb97bf3f2006-01-02 19:04:38 +010055struct subscription {
56 struct tipc_name_seq seq;
57 u32 timeout;
58 u32 filter;
Allan Stephens5b06c85c2008-05-19 13:30:13 -070059 struct timer_list timer;
60 struct list_head nameseq_list;
61 struct list_head subscription_list;
Allan Stephens28353e72008-05-19 13:29:47 -070062 u32 server_ref;
Neil Hormandb5a7532010-10-21 01:06:16 +000063 int swap;
Per Lidenb97bf3f2006-01-02 19:04:38 +010064 struct tipc_event evt;
Per Lidenb97bf3f2006-01-02 19:04:38 +010065};
66
Allan Stephens5b06c85c2008-05-19 13:30:13 -070067int tipc_subscr_overlap(struct subscription *sub,
YOSHIFUJI Hideakic4307282007-02-09 23:25:21 +090068 u32 found_lower,
Per Liden4323add2006-01-18 00:38:21 +010069 u32 found_upper);
Per Lidenb97bf3f2006-01-02 19:04:38 +010070
Allan Stephens5b06c85c2008-05-19 13:30:13 -070071void tipc_subscr_report_overlap(struct subscription *sub,
YOSHIFUJI Hideakic4307282007-02-09 23:25:21 +090072 u32 found_lower,
Per Liden4323add2006-01-18 00:38:21 +010073 u32 found_upper,
YOSHIFUJI Hideakic4307282007-02-09 23:25:21 +090074 u32 event,
75 u32 port_ref,
Per Liden4323add2006-01-18 00:38:21 +010076 u32 node,
77 int must_report);
Per Lidenb97bf3f2006-01-02 19:04:38 +010078
Per Liden4323add2006-01-18 00:38:21 +010079int tipc_subscr_start(void);
Per Lidenb97bf3f2006-01-02 19:04:38 +010080
Per Liden4323add2006-01-18 00:38:21 +010081void tipc_subscr_stop(void);
Per Lidenb97bf3f2006-01-02 19:04:38 +010082
83
84#endif