]> git.proxmox.com Git - mirror_frr.git/blame - ospfd/ospf_nsm.h
bgpd: move non-best local path checks outside the function
[mirror_frr.git] / ospfd / ospf_nsm.h
CommitLineData
718e3744 1/*
2 * OSPF version 2 Neighbor State Machine
3 * From RFC2328 [OSPF Version 2]
4 * Copyright (C) 1999 Toshiaki Takada
5 *
6 * This file is part of GNU Zebra.
7 *
8 * GNU Zebra is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
11 * later version.
12 *
13 * GNU Zebra is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
896014f4
DL
18 * You should have received a copy of the GNU General Public License along
19 * with this program; see the file COPYING; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
718e3744 21 */
22
23#ifndef _ZEBRA_OSPF_NSM_H
24#define _ZEBRA_OSPF_NSM_H
25
3012671f
DL
26#include "hook.h"
27
718e3744 28/* OSPF Neighbor State Machine State. */
29#define NSM_DependUpon 0
1f2c2743
PJ
30#define NSM_Deleted 1
31#define NSM_Down 2
32#define NSM_Attempt 3
33#define NSM_Init 4
34#define NSM_TwoWay 5
35#define NSM_ExStart 6
36#define NSM_Exchange 7
37#define NSM_Loading 8
38#define NSM_Full 9
39#define OSPF_NSM_STATE_MAX 10
718e3744 40
41/* OSPF Neighbor State Machine Event. */
42#define NSM_NoEvent 0
57c5c652 43#define NSM_PacketReceived 1 /* HelloReceived in the protocol */
718e3744 44#define NSM_Start 2
45#define NSM_TwoWayReceived 3
46#define NSM_NegotiationDone 4
47#define NSM_ExchangeDone 5
48#define NSM_BadLSReq 6
49#define NSM_LoadingDone 7
50#define NSM_AdjOK 8
51#define NSM_SeqNumberMismatch 9
52#define NSM_OneWayReceived 10
53#define NSM_KillNbr 11
54#define NSM_InactivityTimer 12
55#define NSM_LLDown 13
56#define OSPF_NSM_EVENT_MAX 14
57
58/* Macro for OSPF NSM timer turn on. */
ffa2c898 59#define OSPF_NSM_TIMER_ON(T,F,V) thread_add_timer (master, (F), nbr, (V), &(T))
718e3744 60
61/* Macro for OSPF NSM timer turn off. */
d62a17ae 62#define OSPF_NSM_TIMER_OFF(X) \
63 do { \
64 if (X) { \
65 thread_cancel(X); \
66 (X) = NULL; \
67 } \
68 } while (0)
718e3744 69
70/* Macro for OSPF NSM schedule event. */
d62a17ae 71#define OSPF_NSM_EVENT_SCHEDULE(N, E) \
72 thread_add_event(master, ospf_nsm_event, (N), (E), NULL)
718e3744 73
74/* Macro for OSPF NSM execute event. */
d62a17ae 75#define OSPF_NSM_EVENT_EXECUTE(N, E) \
76 thread_execute(master, ospf_nsm_event, (N), (E))
718e3744 77
78/* Prototypes. */
d62a17ae 79extern int ospf_nsm_event(struct thread *);
80extern void ospf_check_nbr_loading(struct ospf_neighbor *);
81extern int ospf_db_summary_isempty(struct ospf_neighbor *);
82extern int ospf_db_summary_count(struct ospf_neighbor *);
83extern void ospf_db_summary_clear(struct ospf_neighbor *);
718e3744 84
3012671f 85DECLARE_HOOK(ospf_nsm_change,
d62a17ae 86 (struct ospf_neighbor * on, int state, int oldstate),
87 (on, state, oldstate))
3012671f 88
718e3744 89#endif /* _ZEBRA_OSPF_NSM_H */