1 /* 2 * net/tipc/name_distr.h: Include file for TIPC name distribution code 3 * 4 * Copyright (c) 2000-2006, Ericsson AB 5 * Copyright (c) 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_DISTR_H 38 #define _TIPC_NAME_DISTR_H 39 40 #include "name_table.h" 41 42 #define ITEM_SIZE sizeof(struct distr_item) 43 44 /** 45 * struct distr_item - publication info distributed to other nodes 46 * @type: name sequence type 47 * @lower: name sequence lower bound 48 * @upper: name sequence upper bound 49 * @ref: publishing port reference 50 * @key: publication key 51 * 52 * ===> All fields are stored in network byte order. <=== 53 * 54 * First 3 fields identify (name or) name sequence being published. 55 * Reference field uniquely identifies port that published name sequence. 56 * Key field uniquely identifies publication, in the event a port has 57 * multiple publications of the same name sequence. 58 * 59 * Note: There is no field that identifies the publishing node because it is 60 * the same for all items contained within a publication message. 61 */ 62 struct distr_item { 63 __be32 type; 64 __be32 lower; 65 __be32 upper; 66 __be32 port; 67 __be32 key; 68 }; 69 70 struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ); 71 struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ); 72 void tipc_named_node_up(struct net *net, u32 dnode); 73 void tipc_named_rcv(struct net *net, struct sk_buff_head *msg_queue); 74 void tipc_named_reinit(struct net *net); 75 void tipc_publ_notify(struct net *net, struct list_head *nsub_list, u32 addr); 76 77 #endif 78