diff options
Diffstat (limited to 'net/tipc/node_subscr.c')
-rw-r--r-- | net/tipc/node_subscr.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/net/tipc/node_subscr.c b/net/tipc/node_subscr.c deleted file mode 100644 index 2d13eea8574a..000000000000 --- a/net/tipc/node_subscr.c +++ /dev/null | |||
@@ -1,96 +0,0 @@ | |||
1 | /* | ||
2 | * net/tipc/node_subscr.c: TIPC "node down" subscription handling | ||
3 | * | ||
4 | * Copyright (c) 1995-2006, Ericsson AB | ||
5 | * Copyright (c) 2005, 2010-2011, 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 | #include "core.h" | ||
38 | #include "node_subscr.h" | ||
39 | #include "node.h" | ||
40 | |||
41 | /** | ||
42 | * tipc_nodesub_subscribe - create "node down" subscription for specified node | ||
43 | */ | ||
44 | void tipc_nodesub_subscribe(struct tipc_node_subscr *node_sub, u32 addr, | ||
45 | void *usr_handle, net_ev_handler handle_down) | ||
46 | { | ||
47 | if (in_own_node(addr)) { | ||
48 | node_sub->node = NULL; | ||
49 | return; | ||
50 | } | ||
51 | |||
52 | node_sub->node = tipc_node_find(addr); | ||
53 | if (!node_sub->node) { | ||
54 | pr_warn("Node subscription rejected, unknown node 0x%x\n", | ||
55 | addr); | ||
56 | return; | ||
57 | } | ||
58 | node_sub->handle_node_down = handle_down; | ||
59 | node_sub->usr_handle = usr_handle; | ||
60 | |||
61 | tipc_node_lock(node_sub->node); | ||
62 | list_add_tail(&node_sub->nodesub_list, &node_sub->node->nsub); | ||
63 | tipc_node_unlock(node_sub->node); | ||
64 | } | ||
65 | |||
66 | /** | ||
67 | * tipc_nodesub_unsubscribe - cancel "node down" subscription (if any) | ||
68 | */ | ||
69 | void tipc_nodesub_unsubscribe(struct tipc_node_subscr *node_sub) | ||
70 | { | ||
71 | if (!node_sub->node) | ||
72 | return; | ||
73 | |||
74 | tipc_node_lock(node_sub->node); | ||
75 | list_del_init(&node_sub->nodesub_list); | ||
76 | tipc_node_unlock(node_sub->node); | ||
77 | } | ||
78 | |||
79 | /** | ||
80 | * tipc_nodesub_notify - notify subscribers that a node is unreachable | ||
81 | * | ||
82 | * Note: node is locked by caller | ||
83 | */ | ||
84 | void tipc_nodesub_notify(struct list_head *nsub_list) | ||
85 | { | ||
86 | struct tipc_node_subscr *ns, *safe; | ||
87 | net_ev_handler handle_node_down; | ||
88 | |||
89 | list_for_each_entry_safe(ns, safe, nsub_list, nodesub_list) { | ||
90 | handle_node_down = ns->handle_node_down; | ||
91 | if (handle_node_down) { | ||
92 | ns->handle_node_down = NULL; | ||
93 | handle_node_down(ns->usr_handle); | ||
94 | } | ||
95 | } | ||
96 | } | ||