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 | |