175da2163SJon Maloy /* 275da2163SJon Maloy * net/tipc/group.h: Include file for TIPC group unicast/multicast functions 375da2163SJon Maloy * 475da2163SJon Maloy * Copyright (c) 2017, Ericsson AB 5*b6f88d9cSJon Maloy * Copyright (c) 2020, Red Hat Inc 675da2163SJon Maloy * All rights reserved. 775da2163SJon Maloy * 875da2163SJon Maloy * Redistribution and use in source and binary forms, with or without 975da2163SJon Maloy * modification, are permitted provided that the following conditions are met: 1075da2163SJon Maloy * 1175da2163SJon Maloy * 1. Redistributions of source code must retain the above copyright 1275da2163SJon Maloy * notice, this list of conditions and the following disclaimer. 1375da2163SJon Maloy * 2. Redistributions in binary form must reproduce the above copyright 1475da2163SJon Maloy * notice, this list of conditions and the following disclaimer in the 1575da2163SJon Maloy * documentation and/or other materials provided with the distribution. 1675da2163SJon Maloy * 3. Neither the names of the copyright holders nor the names of its 1775da2163SJon Maloy * contributors may be used to endorse or promote products derived from 1875da2163SJon Maloy * this software without specific prior written permission. 1975da2163SJon Maloy * 2075da2163SJon Maloy * Alternatively, this software may be distributed under the terms of the 2175da2163SJon Maloy * GNU General Public License ("GPL") version 2 as published by the Free 2275da2163SJon Maloy * Software Foundation. 2375da2163SJon Maloy * 2475da2163SJon Maloy * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 2575da2163SJon Maloy * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2675da2163SJon Maloy * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2775da2163SJon Maloy * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2875da2163SJon Maloy * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2975da2163SJon Maloy * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3075da2163SJon Maloy * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3175da2163SJon Maloy * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3275da2163SJon Maloy * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3375da2163SJon Maloy * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3475da2163SJon Maloy * POSSIBILITY OF SUCH DAMAGE. 3575da2163SJon Maloy */ 3675da2163SJon Maloy 3775da2163SJon Maloy #ifndef _TIPC_GROUP_H 3875da2163SJon Maloy #define _TIPC_GROUP_H 3975da2163SJon Maloy 4075da2163SJon Maloy #include "core.h" 4175da2163SJon Maloy 4275da2163SJon Maloy struct tipc_group; 4375da2163SJon Maloy struct tipc_member; 4475da2163SJon Maloy struct tipc_msg; 4575da2163SJon Maloy 4675da2163SJon Maloy struct tipc_group *tipc_group_create(struct net *net, u32 portid, 4760c25306SJon Maloy struct tipc_group_req *mreq, 4860c25306SJon Maloy bool *group_is_open); 49d12d2e12SJon Maloy void tipc_group_join(struct net *net, struct tipc_group *grp, int *sk_rcv_buf); 5075da2163SJon Maloy void tipc_group_delete(struct net *net, struct tipc_group *grp); 51d12d2e12SJon Maloy void tipc_group_add_member(struct tipc_group *grp, u32 node, 52d12d2e12SJon Maloy u32 port, u32 instance); 5375da2163SJon Maloy struct tipc_nlist *tipc_group_dests(struct tipc_group *grp); 54*b6f88d9cSJon Maloy void tipc_group_self(struct tipc_group *grp, struct tipc_service_range *seq, 5575da2163SJon Maloy int *scope); 56ee106d7fSJon Maloy u32 tipc_group_exclude(struct tipc_group *grp); 5775da2163SJon Maloy void tipc_group_filter_msg(struct tipc_group *grp, 5875da2163SJon Maloy struct sk_buff_head *inputq, 5975da2163SJon Maloy struct sk_buff_head *xmitq); 60b7d42635SJon Maloy void tipc_group_member_evt(struct tipc_group *grp, bool *wakeup, 617ad32bcbSJon Maloy int *sk_rcvbuf, struct tipc_msg *hdr, 62ae236fb2SJon Maloy struct sk_buff_head *inputq, 6375da2163SJon Maloy struct sk_buff_head *xmitq); 64b7d42635SJon Maloy void tipc_group_proto_rcv(struct tipc_group *grp, bool *wakeup, 6575da2163SJon Maloy struct tipc_msg *hdr, 66ae236fb2SJon Maloy struct sk_buff_head *inputq, 6775da2163SJon Maloy struct sk_buff_head *xmitq); 682f487712SJon Maloy void tipc_group_update_bc_members(struct tipc_group *grp, int len, bool ack); 6927bd9ec0SJon Maloy bool tipc_group_cong(struct tipc_group *grp, u32 dnode, u32 dport, 7027bd9ec0SJon Maloy int len, struct tipc_member **m); 71b7d42635SJon Maloy bool tipc_group_bc_cong(struct tipc_group *grp, int len); 72b7d42635SJon Maloy void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node, 73b7d42635SJon Maloy u32 port, struct sk_buff_head *xmitq); 7475da2163SJon Maloy u16 tipc_group_bc_snd_nxt(struct tipc_group *grp); 7527bd9ec0SJon Maloy void tipc_group_update_member(struct tipc_member *m, int len); 76a1be5a20SGhantaKrishnamurthy MohanKrishna int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb); 7775da2163SJon Maloy #endif 78