--- /dev/null
+/*
+ * net/tipc/name_table.h: Include file for TIPC name table code
+ *
+ * Copyright (c) 2000-2006, 2014-2015, Ericsson AB
+ * Copyright (c) 2004-2005, 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.
+ */
+
+#ifndef _TIPC_NAME_TABLE_H
+#define _TIPC_NAME_TABLE_H
+
+struct tipc_subscription;
+struct tipc_plist;
+
+/*
+ * TIPC name types reserved for internal TIPC use (both current and planned)
+ */
+#define TIPC_ZM_SRV 3 /* zone master service name type */
+#define TIPC_PUBL_SCOPE_NUM (TIPC_NODE_SCOPE + 1)
+#define TIPC_NAMETBL_SIZE 1024 /* must be a power of 2 */
+
+/**
+ * struct publication - info about a published (name or) name sequence
+ * @type: name sequence type
+ * @lower: name sequence lower bound
+ * @upper: name sequence upper bound
+ * @scope: scope of publication
+ * @node: network address of publishing port's node
+ * @ref: publishing port
+ * @key: publication key
+ * @nodesub_list: subscription to "node down" event (off-node publication only)
+ * @local_list: adjacent entries in list of publications made by this node
+ * @pport_list: adjacent entries in list of publications made by this port
+ * @node_list: adjacent matching name seq publications with >= node scope
+ * @cluster_list: adjacent matching name seq publications with >= cluster scope
+ * @zone_list: adjacent matching name seq publications with >= zone scope
+ * @rcu: RCU callback head used for deferred freeing
+ *
+ * Note that the node list, cluster list, and zone list are circular lists.
+ */
+struct publication {
+ u32 type;
+ u32 lower;
+ u32 upper;
+ u32 scope;
+ u32 node;
+ u32 ref;
+ u32 key;
+ struct list_head nodesub_list;
+ struct list_head local_list;
+ struct list_head pport_list;
+ struct list_head node_list;
+ struct list_head cluster_list;
+ struct list_head zone_list;
+ struct rcu_head rcu;
+};
+
+/**
+ * struct name_table - table containing all existing port name publications
+ * @seq_hlist: name sequence hash lists
+ * @publ_list: pulication lists
+ * @local_publ_count: number of publications issued by this node
+ */
+struct name_table {
+ struct hlist_head seq_hlist[TIPC_NAMETBL_SIZE];
+ struct list_head publ_list[TIPC_PUBL_SCOPE_NUM];
+ u32 local_publ_count;
+};
+
+int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb);
+
+u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *node);
+int tipc_nametbl_mc_translate(struct net *net, u32 type, u32 lower, u32 upper,
+ u32 limit, struct tipc_plist *dports);
+struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower,
+ u32 upper, u32 scope, u32 port_ref,
+ u32 key);
+int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 ref,
+ u32 key);
+struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
+ u32 lower, u32 upper, u32 scope,
+ u32 node, u32 ref, u32 key);
+struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
+ u32 lower, u32 node, u32 ref,
+ u32 key);
+void tipc_nametbl_subscribe(struct tipc_subscription *s);
+void tipc_nametbl_unsubscribe(struct tipc_subscription *s);
+int tipc_nametbl_init(struct net *net);
+void tipc_nametbl_stop(struct net *net);
+
+struct tipc_plist {
+ struct list_head list;
+ u32 port;
+};
+
+static inline void tipc_plist_init(struct tipc_plist *pl)
+{
+ INIT_LIST_HEAD(&pl->list);
+ pl->port = 0;
+}
+
+void tipc_plist_push(struct tipc_plist *pl, u32 port);
+u32 tipc_plist_pop(struct tipc_plist *pl);
+
+#endif
Code Review / kvmfornfv.git / blobdiff