LXR linux/net/tipc/group.h

   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
  36#ifndef _TIPC_GROUP_H
  37#define _TIPC_GROUP_H
  38
  39#include "core.h"
  40
  41struct tipc_group;
  42struct tipc_member;
  43struct tipc_msg;
  44
  45struct tipc_group *tipc_group_create(struct net *net, u32 portid,
  46                                     struct tipc_group_req *mreq,
  47                                     bool *group_is_open);
  48void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf);
  49void tipc_group_delete(struct net *net, struct tipc_group *grp);
  50void tipc_group_add_member(struct tipc_group *grp, u32 node,
  51                           u32 port, u32 instance);
  52struct tipc_nlist *tipc_group_dests(struct tipc_group *grp);
  53void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq,
  54                     int *scope);
  55u32 tipc_group_exclude(struct tipc_group *grp);
  56void tipc_group_filter_msg(struct tipc_group *grp,
  57                           struct sk_buff_head *inputq,
  58                           struct sk_buff_head *xmitq);
  59void tipc_group_member_evt(struct tipc_group *grp, bool *wakeup,
  60                           int *sk_rcvbuf, struct tipc_msg *hdr,
  61                           struct sk_buff_head *inputq,
  62                           struct sk_buff_head *xmitq);
  63void tipc_group_proto_rcv(struct tipc_group *grp, bool *wakeup,
  64                          struct tipc_msg *hdr,
  65                          struct sk_buff_head *inputq,
  66                          struct sk_buff_head *xmitq);
  67void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack);
  68bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport,
  69                     int len, struct tipc_member **m);
  70bool tipc_group_bc_cong(struct tipc_group *grp, int len);
  71void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
  72                               u32 port, struct sk_buff_head *xmitq);
  73u16 tipc_group_bc_snd_nxt(struct tipc_group *grp);
  74void tipc_group_update_member(struct tipc_member *m, int len);
  75#endif
  76