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1/*
2 * net/tipc/node_subscr.h: Include file for TIPC "node down" subscription handling
3 *
4 * Copyright (c) 2003-2005, Ericsson Research Canada
5 * Copyright (c) 2005, Wind River Systems
6 * Copyright (c) 2005-2006, Ericsson AB
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 * Redistributions of source code must retain the above copyright notice, this
13 * list of conditions and the following disclaimer.
14 * Redistributions in binary form must reproduce the above copyright notice,
15 * this list of conditions and the following disclaimer in the documentation
16 * and/or other materials provided with the distribution.
17 * Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or promote products derived from this
19 * software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _TIPC_NODE_SUBSCR_H
35#define _TIPC_NODE_SUBSCR_H
36
37#include "addr.h"
38
39typedef void (*net_ev_handler) (void *usr_handle);
40
41/**
42 * struct node_subscr - "node down" subscription entry
43 * @node: ptr to node structure of interest (or NULL, if none)
44 * @handle_node_down: routine to invoke when node fails
45 * @usr_handle: argument to pass to routine when node fails
46 * @nodesub_list: adjacent entries in list of subscriptions for the node
47 */
48
49struct node_subscr {
50 struct node *node;
51 net_ev_handler handle_node_down;
52 void *usr_handle;
53 struct list_head nodesub_list;
54};
55
56void nodesub_subscribe(struct node_subscr *node_sub, u32 addr,
57 void *usr_handle, net_ev_handler handle_down);
58void nodesub_unsubscribe(struct node_subscr *node_sub);
59
60#endif