| /* |
| * 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); |
| |
| extern const int tipc_max_domain_size; |
| #endif |