OpenCloudOS-Kernel/net/tipc/name_table.h

106 lines
4.0 KiB
C

/*
* 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