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 @@ -/* - * net/tipc/node_subscr.c: TIPC "node down" subscription handling - * - * Copyright (c) 1995-2006, Ericsson AB - * Copyright (c) 2005, 2010-2011, Wind River Systems - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "core.h" -#include "node_subscr.h" -#include "node.h" - -/** - * 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) -{ - if (in_own_node(addr)) { - node_sub->node = NULL; - return; - } - - node_sub->node = tipc_node_find(addr); - if (!node_sub->node) { - pr_warn("Node subscription rejected, unknown node 0x%x\n", - addr); - return; - } - node_sub->handle_node_down = handle_down; - node_sub->usr_handle = usr_handle; - - tipc_node_lock(node_sub->node); - list_add_tail(&node_sub->nodesub_list, &node_sub->node->nsub); - tipc_node_unlock(node_sub->node); -} - -/** - * tipc_nodesub_unsubscribe - cancel "node down" subscription (if any) - */ -void tipc_nodesub_unsubscribe(struct tipc_node_subscr *node_sub) -{ - if (!node_sub->node) - return; - - tipc_node_lock(node_sub->node); - 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; - net_ev_handler handle_node_down; - - list_for_each_entry_safe(ns, safe, nsub_list, nodesub_list) { - handle_node_down = ns->handle_node_down; - if (handle_node_down) { - ns->handle_node_down = NULL; - handle_node_down(ns->usr_handle); - } - } -} |