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