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Diffstat (limited to 'net/tipc/node_subscr.c')
-rw-r--r--net/tipc/node_subscr.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/net/tipc/node_subscr.c b/net/tipc/node_subscr.c
index 018a55332d9..7c59ab1d6ec 100644
--- a/net/tipc/node_subscr.c
+++ b/net/tipc/node_subscr.c
@@ -2,7 +2,7 @@
* net/tipc/node_subscr.c: TIPC "node down" subscription handling
*
* Copyright (c) 1995-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -41,18 +41,18 @@
/**
* tipc_nodesub_subscribe - create "node down" subscription for specified node
*/
-
void tipc_nodesub_subscribe(struct tipc_node_subscr *node_sub, u32 addr,
- void *usr_handle, net_ev_handler handle_down)
+ void *usr_handle, net_ev_handler handle_down)
{
- if (addr == tipc_own_addr) {
+ if (in_own_node(addr)) {
node_sub->node = NULL;
return;
}
node_sub->node = tipc_node_find(addr);
if (!node_sub->node) {
- warn("Node subscription rejected, unknown node 0x%x\n", addr);
+ pr_warn("Node subscription rejected, unknown node 0x%x\n",
+ addr);
return;
}
node_sub->handle_node_down = handle_down;
@@ -66,7 +66,6 @@ void tipc_nodesub_subscribe(struct tipc_node_subscr *node_sub, u32 addr,
/**
* tipc_nodesub_unsubscribe - cancel "node down" subscription (if any)
*/
-
void tipc_nodesub_unsubscribe(struct tipc_node_subscr *node_sub)
{
if (!node_sub->node)
@@ -76,3 +75,20 @@ void tipc_nodesub_unsubscribe(struct tipc_node_subscr *node_sub)
list_del_init(&node_sub->nodesub_list);
tipc_node_unlock(node_sub->node);
}
+
+/**
+ * tipc_nodesub_notify - notify subscribers that a node is unreachable
+ *
+ * Note: node is locked by caller
+ */
+void tipc_nodesub_notify(struct list_head *nsub_list)
+{
+ struct tipc_node_subscr *ns, *safe;
+
+ list_for_each_entry_safe(ns, safe, nsub_list, nodesub_list) {
+ if (ns->handle_node_down) {
+ ns->handle_node_down(ns->usr_handle);
+ ns->handle_node_down = NULL;
+ }
+ }
+}