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 * Copyright (c) 2020, Red Hat Inc
   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_GROUP_H
  38#define _TIPC_GROUP_H
  39
  40#include "core.h"
  41
  42struct tipc_group;
  43struct tipc_member;
  44struct tipc_msg;
  45
  46struct tipc_group *tipc_group_create(struct net *net, u32 portid,
  47                                     struct tipc_group_req *mreq,
  48                                     bool *group_is_open);
  49void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf);
  50void tipc_group_delete(struct net *net, struct tipc_group *grp);
  51void tipc_group_add_member(struct tipc_group *grp, u32 node,
  52                           u32 port, u32 instance);
  53struct tipc_nlist *tipc_group_dests(struct tipc_group *grp);
  54void tipc_group_self(struct tipc_group *grp, struct tipc_service_range *seq,
  55                     int *scope);
  56u32 tipc_group_exclude(struct tipc_group *grp);
  57void tipc_group_filter_msg(struct tipc_group *grp,
  58                           struct sk_buff_head *inputq,
  59                           struct sk_buff_head *xmitq);
  60void tipc_group_member_evt(struct tipc_group *grp, bool *wakeup,
  61                           int *sk_rcvbuf, struct tipc_msg *hdr,
  62                           struct sk_buff_head *inputq,
  63                           struct sk_buff_head *xmitq);
  64void tipc_group_proto_rcv(struct tipc_group *grp, bool *wakeup,
  65                          struct tipc_msg *hdr,
  66                          struct sk_buff_head *inputq,
  67                          struct sk_buff_head *xmitq);
  68void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack);
  69bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport,
  70                     int len, struct tipc_member **m);
  71bool tipc_group_bc_cong(struct tipc_group *grp, int len);
  72void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
  73                               u32 port, struct sk_buff_head *xmitq);
  74u16 tipc_group_bc_snd_nxt(struct tipc_group *grp);
  75void tipc_group_update_member(struct tipc_member *m, int len);
  76int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb);
  77#endif
  78