1 /* 2 * net/tipc/name_table.h: Include file for TIPC name table code 3 * 4 * Copyright (c) 2000-2006, Ericsson AB 5 * Copyright (c) 2004-2005, Wind River Systems 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the names of the copyright holders nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * Alternatively, this software may be distributed under the terms of the 21 * GNU General Public License ("GPL") version 2 as published by the Free 22 * Software Foundation. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #ifndef _TIPC_NAME_TABLE_H 38 #define _TIPC_NAME_TABLE_H 39 40 #include "node_subscr.h" 41 42 struct subscription; 43 struct port_list; 44 45 /* 46 * TIPC name types reserved for internal TIPC use (both current and planned) 47 */ 48 49 #define TIPC_ZM_SRV 3 /* zone master service name type */ 50 51 52 /** 53 * struct publication - info about a published (name or) name sequence 54 * @type: name sequence type 55 * @lower: name sequence lower bound 56 * @upper: name sequence upper bound 57 * @scope: scope of publication 58 * @node: network address of publishing port's node 59 * @ref: publishing port 60 * @key: publication key 61 * @subscr: subscription to "node down" event (for off-node publications only) 62 * @local_list: adjacent entries in list of publications made by this node 63 * @pport_list: adjacent entries in list of publications made by this port 64 * @node_list: next matching name seq publication with >= node scope 65 * @cluster_list: next matching name seq publication with >= cluster scope 66 * @zone_list: next matching name seq publication with >= zone scope 67 * 68 * Note that the node list, cluster list, and zone list are circular lists. 69 */ 70 71 struct publication { 72 u32 type; 73 u32 lower; 74 u32 upper; 75 u32 scope; 76 u32 node; 77 u32 ref; 78 u32 key; 79 struct tipc_node_subscr subscr; 80 struct list_head local_list; 81 struct list_head pport_list; 82 struct publication *node_list_next; 83 struct publication *cluster_list_next; 84 struct publication *zone_list_next; 85 }; 86 87 88 extern rwlock_t tipc_nametbl_lock; 89 90 struct sk_buff *tipc_nametbl_get(const void *req_tlv_area, int req_tlv_space); 91 u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *node); 92 int tipc_nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit, 93 struct port_list *dports); 94 int tipc_nametbl_publish_rsv(u32 ref, unsigned int scope, 95 struct tipc_name_seq const *seq); 96 struct publication *tipc_nametbl_publish(u32 type, u32 lower, u32 upper, 97 u32 scope, u32 port_ref, u32 key); 98 int tipc_nametbl_withdraw(u32 type, u32 lower, u32 ref, u32 key); 99 struct publication *tipc_nametbl_insert_publ(u32 type, u32 lower, u32 upper, 100 u32 scope, u32 node, u32 ref, u32 key); 101 struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower, 102 u32 node, u32 ref, u32 key); 103 void tipc_nametbl_subscribe(struct subscription *s); 104 void tipc_nametbl_unsubscribe(struct subscription *s); 105 int tipc_nametbl_init(void); 106 void tipc_nametbl_stop(void); 107 108 #endif 109