84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
|
/*
|
||
|
|
* 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
|