projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
| 20 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
| 21 | * 02111-1307, USA. | |
| 22 | */ | |
| 23 | ||
| 24 | #ifndef _ZEBRA_OSPF_NSM_H | |
| 25 | #define _ZEBRA_OSPF_NSM_H | |
| 26 | ||
| 27 | /* OSPF Neighbor State Machine State. */ | |
| 28 | #define NSM_DependUpon 0 | |
| 1f2c2743 PJ |
29 | #define NSM_Deleted 1 |
| 30 | #define NSM_Down 2 | |
| 31 | #define NSM_Attempt 3 | |
| 32 | #define NSM_Init 4 | |
| 33 | #define NSM_TwoWay 5 | |
| 34 | #define NSM_ExStart 6 | |
| 35 | #define NSM_Exchange 7 | |
| 36 | #define NSM_Loading 8 | |
| 37 | #define NSM_Full 9 | |
| 38 | #define OSPF_NSM_STATE_MAX 10 | |
| 718e3744 | 39 | |
| 40 | /* OSPF Neighbor State Machine Event. */ | |
| 41 | #define NSM_NoEvent 0 | |
| 42 | #define NSM_HelloReceived 1 | |
| 43 | #define NSM_Start 2 | |
| 44 | #define NSM_TwoWayReceived 3 | |
| 45 | #define NSM_NegotiationDone 4 | |
| 46 | #define NSM_ExchangeDone 5 | |
| 47 | #define NSM_BadLSReq 6 | |
| 48 | #define NSM_LoadingDone 7 | |
| 49 | #define NSM_AdjOK 8 | |
| 50 | #define NSM_SeqNumberMismatch 9 | |
| 51 | #define NSM_OneWayReceived 10 | |
| 52 | #define NSM_KillNbr 11 | |
| 53 | #define NSM_InactivityTimer 12 | |
| 54 | #define NSM_LLDown 13 | |
| 55 | #define OSPF_NSM_EVENT_MAX 14 | |
| 56 | ||
| 57 | /* Macro for OSPF NSM timer turn on. */ | |
| 4dadc291 | 58 | #define OSPF_NSM_TIMER_ON(T,F,V) \ |
| 59 | do { \ | |
| 60 | if (!(T)) \ | |
| 61 | (T) = thread_add_timer (master, (F), nbr, (V)); \ | |
| 718e3744 | 62 | } while (0) |
| 63 | ||
| 64 | /* Macro for OSPF NSM timer turn off. */ | |
| 4dadc291 | 65 | #define OSPF_NSM_TIMER_OFF(X) \ |
| 66 | do { \ | |
| 67 | if (X) \ | |
| 68 | { \ | |
| 69 | thread_cancel (X); \ | |
| 70 | (X) = NULL; \ | |
| 71 | } \ | |
| 718e3744 | 72 | } while (0) |
| 73 | ||
| 74 | /* Macro for OSPF NSM schedule event. */ | |
| 4dadc291 | 75 | #define OSPF_NSM_EVENT_SCHEDULE(N,E) \ |
| 718e3744 | 76 | thread_add_event (master, ospf_nsm_event, (N), (E)) |
| 77 | ||
| 78 | /* Macro for OSPF NSM execute event. */ | |
| 4dadc291 | 79 | #define OSPF_NSM_EVENT_EXECUTE(N,E) \ |
| 718e3744 | 80 | thread_execute (master, ospf_nsm_event, (N), (E)) |
| 81 | ||
| 82 | /* Prototypes. */ | |
| 4dadc291 | 83 | extern int ospf_nsm_event (struct thread *); |
| 84 | extern void nsm_change_state (struct ospf_neighbor *, int); | |
| 85 | extern void ospf_check_nbr_loading (struct ospf_neighbor *); | |
| 86 | extern int ospf_db_summary_isempty (struct ospf_neighbor *); | |
| 87 | extern int ospf_db_summary_count (struct ospf_neighbor *); | |
| 88 | extern void ospf_db_summary_clear (struct ospf_neighbor *); | |
| 718e3744 | 89 | |
| 90 | #endif /* _ZEBRA_OSPF_NSM_H */ | |
| 91 |