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 41 struct tipc_group; 42 struct tipc_member; 43 struct tipc_msg; 44 45 struct tipc_group *tipc_group_create(struct net *net, u32 portid, 46 struct tipc_group_req *mreq, 47 bool *group_is_open); 48 void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf); 49 void tipc_group_delete(struct net *net, struct tipc_group *grp); 50 void tipc_group_add_member(struct tipc_group *grp, u32 node, 51 u32 port, u32 instance); 52 struct tipc_nlist *tipc_group_dests(struct tipc_group *grp); 53 void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq, 54 int *scope); 55 u32 tipc_group_exclude(struct tipc_group *grp); 56 void tipc_group_filter_msg(struct tipc_group *grp, 57 struct sk_buff_head *inputq, 58 struct sk_buff_head *xmitq); 59 void 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); 63 void 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); 67 void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack); 68 bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport, 69 int len, struct tipc_member **m); 70 bool tipc_group_bc_cong(struct tipc_group *grp, int len); 71 void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node, 72 u32 port, struct sk_buff_head *xmitq); 73 u16 tipc_group_bc_snd_nxt(struct tipc_group *grp); 74 void tipc_group_update_member(struct tipc_member *m, int len); 75 int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb); 76 #endif 77