/* * net/tipc/monitor.h * * Copyright (c) 2015, Ericsson AB * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its *    contributors may be used to endorse or promote products derived from *    this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _TIPC_MONITOR_H#define _TIPC_MONITOR_H #include "netlink.h" /* struct tipc_mon_state: link instance's cache of monitor list and domain state * @list_gen: current generation of this node's monitor list * @gen: current generation of this node's local domain * @peer_gen: most recent domain generation received from peer * @acked_gen: most recent generation of self's domain acked by peer * @monitoring: this peer endpoint should continuously monitored * @probing: peer endpoint should be temporarily probed for potential loss * @synched: domain record's generation has been synched with peer after reset */struct tipc_mon_state {	u16 list_gen;	u16 peer_gen;	u16 acked_gen;	bool monitoring :1;	bool probing    :1;	bool reset      :1;	bool synched    :1;}; int tipc_mon_create(struct net *net, int bearer_id);void tipc_mon_delete(struct net *net, int bearer_id); void tipc_mon_peer_up(struct net *net, u32 addr, int bearer_id);void tipc_mon_peer_down(struct net *net, u32 addr, int bearer_id);void tipc_mon_prep(struct net *net, void *data, int *dlen,		   struct tipc_mon_state *state, int bearer_id);void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr,		  struct tipc_mon_state *state, int bearer_id);void tipc_mon_get_state(struct net *net, u32 addr,			struct tipc_mon_state *state,			int bearer_id);void tipc_mon_remove_peer(struct net *net, u32 addr, int bearer_id); int tipc_nl_monitor_set_threshold(struct net *net, u32 cluster_size);int tipc_nl_monitor_get_threshold(struct net *net);int __tipc_nl_add_monitor(struct net *net, struct tipc_nl_msg *msg,			  u32 bearer_id);int tipc_nl_add_monitor_peer(struct net *net, struct tipc_nl_msg *msg,			     u32 bearer_id, u32 *prev_node);void tipc_mon_reinit_self(struct net *net); extern const int tipc_max_domain_size;#endif