group.h 3.5 KB

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  1. /*
  2. * net/tipc/group.h: Include file for TIPC group unicast/multicast functions
  3. *
  4. * Copyright (c) 2017, Ericsson AB
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions are met:
  9. *
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. * 3. Neither the names of the copyright holders nor the names of its
  16. * contributors may be used to endorse or promote products derived from
  17. * this software without specific prior written permission.
  18. *
  19. * Alternatively, this software may be distributed under the terms of the
  20. * GNU General Public License ("GPL") version 2 as published by the Free
  21. * Software Foundation.
  22. *
  23. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  27. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33. * POSSIBILITY OF SUCH DAMAGE.
  34. */
  35. #ifndef _TIPC_GROUP_H
  36. #define _TIPC_GROUP_H
  37. #include "core.h"
  38. struct tipc_group;
  39. struct tipc_member;
  40. struct tipc_msg;
  41. struct tipc_group *tipc_group_create(struct net *net, u32 portid,
  42. struct tipc_group_req *mreq,
  43. bool *group_is_open);
  44. void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf);
  45. void tipc_group_delete(struct net *net, struct tipc_group *grp);
  46. void tipc_group_add_member(struct tipc_group *grp, u32 node,
  47. u32 port, u32 instance);
  48. struct tipc_nlist *tipc_group_dests(struct tipc_group *grp);
  49. void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq,
  50. int *scope);
  51. u32 tipc_group_exclude(struct tipc_group *grp);
  52. void tipc_group_filter_msg(struct tipc_group *grp,
  53. struct sk_buff_head *inputq,
  54. struct sk_buff_head *xmitq);
  55. void tipc_group_member_evt(struct tipc_group *grp, bool *wakeup,
  56. int *sk_rcvbuf, struct tipc_msg *hdr,
  57. struct sk_buff_head *inputq,
  58. struct sk_buff_head *xmitq);
  59. void tipc_group_proto_rcv(struct tipc_group *grp, bool *wakeup,
  60. struct tipc_msg *hdr,
  61. struct sk_buff_head *inputq,
  62. struct sk_buff_head *xmitq);
  63. void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack);
  64. bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport,
  65. int len, struct tipc_member **m);
  66. bool tipc_group_bc_cong(struct tipc_group *grp, int len);
  67. void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
  68. u32 port, struct sk_buff_head *xmitq);
  69. u16 tipc_group_bc_snd_nxt(struct tipc_group *grp);
  70. void tipc_group_update_member(struct tipc_member *m, int len);
  71. int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb);
  72. #endif