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Diffstat (limited to 'net/tipc/name_table.h')
| -rw-r--r-- | net/tipc/name_table.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h new file mode 100644 index 000000000000..f82693384f60 --- /dev/null +++ b/net/tipc/name_table.h @@ -0,0 +1,108 @@ +/* + * net/tipc/name_table.h: Include file for TIPC name table code + * + * Copyright (c) 2000-2006, Ericsson AB + * Copyright (c) 2004-2005, 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 + +#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 |