name_distr.h 3.3 KB

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  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. #ifndef _TIPC_NAME_DISTR_H
  37. #define _TIPC_NAME_DISTR_H
  38. #include "name_table.h"
  39. #define ITEM_SIZE sizeof(struct distr_item)
  40. /**
  41. * struct distr_item - publication info distributed to other nodes
  42. * @type: name sequence type
  43. * @lower: name sequence lower bound
  44. * @upper: name sequence upper bound
  45. * @ref: publishing port reference
  46. * @key: publication key
  47. *
  48. * ===> All fields are stored in network byte order. <===
  49. *
  50. * First 3 fields identify (name or) name sequence being published.
  51. * Reference field uniquely identifies port that published name sequence.
  52. * Key field uniquely identifies publication, in the event a port has
  53. * multiple publications of the same name sequence.
  54. *
  55. * Note: There is no field that identifies the publishing node because it is
  56. * the same for all items contained within a publication message.
  57. */
  58. struct distr_item {
  59. __be32 type;
  60. __be32 lower;
  61. __be32 upper;
  62. __be32 port;
  63. __be32 key;
  64. };
  65. void tipc_named_bcast(struct net *net, struct sk_buff *skb);
  66. struct sk_buff *tipc_named_publish(struct net *net, struct publication *publ);
  67. struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ);
  68. void tipc_named_node_up(struct net *net, u32 dnode, u16 capabilities);
  69. void tipc_named_rcv(struct net *net, struct sk_buff_head *namedq,
  70. u16 *rcv_nxt, bool *open);
  71. void tipc_named_reinit(struct net *net);
  72. void tipc_publ_notify(struct net *net, struct list_head *nsub_list,
  73. u32 addr, u16 capabilities);
  74. #endif