LXR linux/net/tipc/name

   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 */
  62struct distr_item {
  63        __be32 type;
  64        __be32 lower;
  65        __be32 upper;
  66        __be32 port;
  67        __be32 key;
  68};
  69
  70struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ);
  71struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ);
  72void tipc_named_node_up(struct net *net, u32 dnode);
  73void tipc_named_rcv(struct net *net, struct sk_buff_head *msg_queue);
  74void tipc_named_reinit(struct net *net);
  75void tipc_publ_notify(struct net *net, struct list_head *nsub_list, u32 addr);
  76
  77#endif
  78