1/* 2 * net/tipc/bcast.h: Include file for TIPC broadcast code 3 * 4 * Copyright (c) 2003-2006, 2014-2015, Ericsson AB 5 * Copyright (c) 2005, 2010-2011, Wind River Systems 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_BCAST_H 38#define _TIPC_BCAST_H 39 40#include "core.h" 41 42struct tipc_node; 43struct tipc_msg; 44struct tipc_nl_msg; 45struct tipc_node_map; 46 47int tipc_bcast_init(struct net *net); 48void tipc_bcast_reinit(struct net *net); 49void tipc_bcast_stop(struct net *net); 50void tipc_bcast_add_peer(struct net *net, struct tipc_link *l, 51 struct sk_buff_head *xmitq); 52void tipc_bcast_remove_peer(struct net *net, struct tipc_link *rcv_bcl); 53void tipc_bcast_inc_bearer_dst_cnt(struct net *net, int bearer_id); 54void tipc_bcast_dec_bearer_dst_cnt(struct net *net, int bearer_id); 55int tipc_bcast_get_mtu(struct net *net); 56int tipc_bcast_xmit(struct net *net, struct sk_buff_head *list); 57int tipc_bcast_rcv(struct net *net, struct tipc_link *l, struct sk_buff *skb); 58void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l, u32 acked); 59void tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l, 60 struct tipc_msg *hdr); 61int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg); 62int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]); 63int tipc_bclink_reset_stats(struct net *net); 64 65static inline void tipc_bcast_lock(struct net *net) 66{ 67 spin_lock_bh(&tipc_net(net)->bclock); 68} 69 70static inline void tipc_bcast_unlock(struct net *net) 71{ 72 spin_unlock_bh(&tipc_net(net)->bclock); 73} 74 75static inline struct tipc_link *tipc_bc_sndlink(struct net *net) 76{ 77 return tipc_net(net)->bcl; 78} 79 80#endif 81