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authorPer Liden <per.liden@nospam.ericsson.com>2006-01-02 21:04:38 +0300
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-13 01:06:31 +0300
commitb97bf3fd8f6a16966d4f18983b2c40993ff937d4 (patch)
tree59959f8a0f3087455efdcb430846686f303c5991 /net/tipc/name_table.h
parent58cba4650a7a414eabd2b40cc9d8e45fcdf192d9 (diff)
downloadlinux-b97bf3fd8f6a16966d4f18983b2c40993ff937d4.tar.xz
[TIPC] Initial merge
TIPC (Transparent Inter Process Communication) is a protocol designed for intra cluster communication. For more information see http://tipc.sourceforge.net Signed-off-by: Per Liden <per.liden@nospam.ericsson.com>
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+/*
+ * net/tipc/name_table.h: Include file for TIPC name table code
+ *
+ * Copyright (c) 2003-2005, Ericsson Research Canada
+ * Copyright (c) 2004-2005, Wind River Systems
+ * Copyright (c) 2005-2006, Ericsson AB
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * 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.
+ * 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.
+ *
+ * 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
+
+#include "node_subscr.h"
+
+struct subscription;
+struct port_list;
+
+/*
+ * TIPC name types reserved for internal TIPC use (both current and planned)
+ */
+
+#define TIPC_ZM_SRV 3 /* zone master service name type */
+
+
+/**
+ * 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
+ * @subscr: subscription to "node down" event (for off-node publications 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: next matching name seq publication with >= node scope
+ * @cluster_list: next matching name seq publication with >= cluster scope
+ * @zone_list: next matching name seq publication with >= zone scope
+ *
+ * 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 node_subscr subscr;
+ struct list_head local_list;
+ struct list_head pport_list;
+ struct publication *node_list_next;
+ struct publication *cluster_list_next;
+ struct publication *zone_list_next;
+};
+
+
+extern rwlock_t nametbl_lock;
+
+struct sk_buff *nametbl_get(const void *req_tlv_area, int req_tlv_space);
+u32 nametbl_translate(u32 type, u32 instance, u32 *node);
+int nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
+ struct port_list *dports);
+int nametbl_publish_rsv(u32 ref, unsigned int scope,
+ struct tipc_name_seq const *seq);
+struct publication *nametbl_publish(u32 type, u32 lower, u32 upper,
+ u32 scope, u32 port_ref, u32 key);
+int nametbl_withdraw(u32 type, u32 lower, u32 ref, u32 key);
+struct publication *nametbl_insert_publ(u32 type, u32 lower, u32 upper,
+ u32 scope, u32 node, u32 ref, u32 key);
+struct publication *nametbl_remove_publ(u32 type, u32 lower,
+ u32 node, u32 ref, u32 key);
+void nametbl_subscribe(struct subscription *s);
+void nametbl_unsubscribe(struct subscription *s);
+int nametbl_init(void);
+void nametbl_stop(void);
+
+#endif