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
42 struct tipc_group;
43 struct tipc_member;
44 struct tipc_msg;
45
46 struct tipc_group *tipc_group_create(struct net *net, u32 portid,
47 struct tipc_group_req *mreq,
48 bool *group_is_open);
49 void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf);
50 void tipc_group_delete(struct net *net, struct tipc_group *grp);
51 void tipc_group_add_member(struct tipc_group *grp, u32 node,
52 u32 port, u32 instance);
53 struct tipc_nlist *tipc_group_dests(struct tipc_group *grp);
54 void tipc_group_self(struct tipc_group *grp, struct tipc_service_range *seq,
55 int *scope);
56 u32 tipc_group_exclude(struct tipc_group *grp);
57 void tipc_group_filter_msg(struct tipc_group *grp,
58 struct sk_buff_head *inputq,
59 struct sk_buff_head *xmitq);
60 void 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);
64 void 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);
68 void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack);
69 bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport,
70 int len, struct tipc_member **m);
71 bool tipc_group_bc_cong(struct tipc_group *grp, int len);
72 void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
73 u32 port, struct sk_buff_head *xmitq);
74 u16 tipc_group_bc_snd_nxt(struct tipc_group *grp);
75 void tipc_group_update_member(struct tipc_member *m, int len);
76 int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb);
77 #endif
78
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