projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 35c55c98 JPM |
1 | /* |
| 2 | * net/tipc/monitor.h | |
| 3 | * | |
| 4 | * Copyright (c) 2015, Ericsson AB | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * Redistribution and use in source and binary forms, with or without | |
| 8 | * modification, are permitted provided that the following conditions are met: | |
| 9 | * | |
| 10 | * 1. Redistributions of source code must retain the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer. | |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 | * notice, this list of conditions and the following disclaimer in the | |
| 14 | * documentation and/or other materials provided with the distribution. | |
| 15 | * 3. Neither the names of the copyright holders nor the names of its | |
| 16 | * contributors may be used to endorse or promote products derived from | |
| 17 | * this software without specific prior written permission. | |
| 18 | * | |
| 19 | * Alternatively, this software may be distributed under the terms of the | |
| 20 | * GNU General Public License ("GPL") version 2 as published by the Free | |
| 21 | * Software Foundation. | |
| 22 | * | |
| 23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
| 27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 30 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 31 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 32 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 33 | * POSSIBILITY OF SUCH DAMAGE. | |
| 34 | */ | |
| 35 | ||
| 36 | #ifndef _TIPC_MONITOR_H | |
| 37 | #define _TIPC_MONITOR_H | |
| 38 | ||
| 39 | /* struct tipc_mon_state: link instance's cache of monitor list and domain state | |
| 40 | * @list_gen: current generation of this node's monitor list | |
| 41 | * @gen: current generation of this node's local domain | |
| 42 | * @peer_gen: most recent domain generation received from peer | |
| 43 | * @acked_gen: most recent generation of self's domain acked by peer | |
| 44 | * @monitoring: this peer endpoint should continuously monitored | |
| 45 | * @probing: peer endpoint should be temporarily probed for potential loss | |
| 46 | * @synched: domain record's generation has been synched with peer after reset | |
| 47 | */ | |
| 48 | struct tipc_mon_state { | |
| 49 | u16 list_gen; | |
| 50 | u16 peer_gen; | |
| 51 | u16 acked_gen; | |
| 52 | bool monitoring :1; | |
| 53 | bool probing :1; | |
| 54 | bool reset :1; | |
| 55 | bool synched :1; | |
| 56 | }; | |
| 57 | ||
| 58 | int tipc_mon_create(struct net *net, int bearer_id); | |
| 59 | void tipc_mon_delete(struct net *net, int bearer_id); | |
| 60 | ||
| 61 | void tipc_mon_peer_up(struct net *net, u32 addr, int bearer_id); | |
| 62 | void tipc_mon_peer_down(struct net *net, u32 addr, int bearer_id); | |
| 63 | void tipc_mon_prep(struct net *net, void *data, int *dlen, | |
| 64 | struct tipc_mon_state *state, int bearer_id); | |
| 65 | void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr, | |
| 66 | struct tipc_mon_state *state, int bearer_id); | |
| 67 | void tipc_mon_get_state(struct net *net, u32 addr, | |
| 68 | struct tipc_mon_state *state, | |
| 69 | int bearer_id); | |
| 70 | void tipc_mon_remove_peer(struct net *net, u32 addr, int bearer_id); | |
| 71 | ||
| 72 | extern const int tipc_max_domain_size; | |
| 73 | #endif |