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