2006-01-02 21:04:38 +03:00
/*
* net / tipc / name_table . h : Include file for TIPC name table code
2007-02-09 17:25:21 +03:00
*
2015-02-05 16:36:44 +03:00
* Copyright ( c ) 2000 - 2006 , 2014 - 2015 , Ericsson AB
2011-05-30 18:48:48 +04:00
* Copyright ( c ) 2004 - 2005 , 2010 - 2011 , Wind River Systems
2006-01-02 21:04:38 +03:00
* All rights reserved .
*
2006-01-11 15:30:43 +03:00
* Redistribution and use in source and binary forms , with or without
2006-01-02 21:04:38 +03:00
* modification , are permitted provided that the following conditions are met :
*
2006-01-11 15:30:43 +03:00
* 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 .
2006-01-02 21:04:38 +03:00
*
2006-01-11 15:30:43 +03:00
* 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
2006-01-02 21:04:38 +03:00
* POSSIBILITY OF SUCH DAMAGE .
*/
# ifndef _TIPC_NAME_TABLE_H
# define _TIPC_NAME_TABLE_H
2011-12-30 05:43:44 +04:00
struct tipc_subscription ;
2015-02-05 16:36:43 +03:00
struct tipc_plist ;
2006-01-02 21:04:38 +03:00
/*
* TIPC name types reserved for internal TIPC use ( both current and planned )
*/
2014-12-02 10:00:24 +03:00
# 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 */
2006-01-02 21:04:38 +03:00
/**
* 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
2014-11-26 06:41:45 +03:00
* @ nodesub_list : subscription to " node down " event ( off - node publication only )
2006-01-02 21:04:38 +03:00
* @ local_list : adjacent entries in list of publications made by this node
* @ pport_list : adjacent entries in list of publications made by this port
2011-05-30 18:48:48 +04:00
* @ 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
2014-12-02 10:00:30 +03:00
* @ rcu : RCU callback head used for deferred freeing
2007-02-09 17:25:21 +03:00
*
2006-01-02 21:04:38 +03:00
* 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 ;
2014-11-26 06:41:45 +03:00
struct list_head nodesub_list ;
2006-01-02 21:04:38 +03:00
struct list_head local_list ;
struct list_head pport_list ;
2011-05-30 18:48:48 +04:00
struct list_head node_list ;
struct list_head cluster_list ;
struct list_head zone_list ;
2014-12-02 10:00:30 +03:00
struct rcu_head rcu ;
2006-01-02 21:04:38 +03:00
} ;
2014-12-02 10:00:24 +03:00
/**
* 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 ;
} ;
2006-01-02 21:04:38 +03:00
2014-11-20 12:29:20 +03:00
int tipc_nl_name_table_dump ( struct sk_buff * skb , struct netlink_callback * cb ) ;
2015-01-09 10:27:09 +03:00
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 ,
2015-02-05 16:36:43 +03:00
u32 limit , struct tipc_plist * dports ) ;
2015-01-09 10:27:05 +03:00
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 ) ;
2015-01-09 10:27:09 +03:00
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 ,
2013-06-17 18:54:47 +04:00
u32 key ) ;
2011-12-30 05:43:44 +04:00
void tipc_nametbl_subscribe ( struct tipc_subscription * s ) ;
void tipc_nametbl_unsubscribe ( struct tipc_subscription * s ) ;
2015-01-09 10:27:09 +03:00
int tipc_nametbl_init ( struct net * net ) ;
void tipc_nametbl_stop ( struct net * net ) ;
2006-01-02 21:04:38 +03:00
2015-02-05 16:36:43 +03:00
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 ) ;
2006-01-02 21:04:38 +03:00
# endif