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 42 struct tipc_node; 43 struct tipc_msg; 44 struct tipc_nl_msg; 45 struct tipc_node_map; 46 extern const char tipc_bclink_name[]; 47 48 int tipc_bcast_init(struct net *net); 49 void tipc_bcast_stop(struct net *net); 50 void tipc_bcast_add_peer(struct net *net, struct tipc_link *l, 51 struct sk_buff_head *xmitq); 52 void tipc_bcast_remove_peer(struct net *net, struct tipc_link *rcv_bcl); 53 void tipc_bcast_inc_bearer_dst_cnt(struct net *net, int bearer_id); 54 void tipc_bcast_dec_bearer_dst_cnt(struct net *net, int bearer_id); 55 int tipc_bcast_get_mtu(struct net *net); 56 int tipc_bcast_xmit(struct net *net, struct sk_buff_head *list); 57 int tipc_bcast_rcv(struct net *net, struct tipc_link *l, struct sk_buff *skb); 58 void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l, u32 acked); 59 void tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l, 60 struct tipc_msg *hdr); 61 int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg); 62 int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]); 63 int tipc_bclink_reset_stats(struct net *net); 64 65 static inline void tipc_bcast_lock(struct net *net) 66 { 67 spin_lock_bh(&tipc_net(net)->bclock); 68 } 69 70 static inline void tipc_bcast_unlock(struct net *net) 71 { 72 spin_unlock_bh(&tipc_net(net)->bclock); 73 } 74 75 static inline struct tipc_link *tipc_bc_sndlink(struct net *net) 76 { 77 return tipc_net(net)->bcl; 78 } 79 80 #endif 81