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Diffstat (limited to 'ospfd/ospf_nsm.h')
| -rw-r--r-- | ospfd/ospf_nsm.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/ospfd/ospf_nsm.h b/ospfd/ospf_nsm.h new file mode 100644 index 00000000..3d257305 --- /dev/null +++ b/ospfd/ospf_nsm.h @@ -0,0 +1,91 @@ +/* + * OSPF version 2 Neighbor State Machine + * From RFC2328 [OSPF Version 2] + * Copyright (C) 1999 Toshiaki Takada + * + * This file is part of GNU Zebra. + * + * GNU Zebra is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * GNU Zebra is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Zebra; see the file COPYING. If not, write to the Free + * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#ifndef _ZEBRA_OSPF_NSM_H +#define _ZEBRA_OSPF_NSM_H + +/* OSPF Neighbor State Machine State. */ +#define NSM_DependUpon 0 +#define NSM_Down 1 +#define NSM_Attempt 2 +#define NSM_Init 3 +#define NSM_TwoWay 4 +#define NSM_ExStart 5 +#define NSM_Exchange 6 +#define NSM_Loading 7 +#define NSM_Full 8 +#define OSPF_NSM_STATE_MAX 9 + +/* OSPF Neighbor State Machine Event. */ +#define NSM_NoEvent 0 +#define NSM_HelloReceived 1 +#define NSM_Start 2 +#define NSM_TwoWayReceived 3 +#define NSM_NegotiationDone 4 +#define NSM_ExchangeDone 5 +#define NSM_BadLSReq 6 +#define NSM_LoadingDone 7 +#define NSM_AdjOK 8 +#define NSM_SeqNumberMismatch 9 +#define NSM_OneWayReceived 10 +#define NSM_KillNbr 11 +#define NSM_InactivityTimer 12 +#define NSM_LLDown 13 +#define OSPF_NSM_EVENT_MAX 14 + +/* Macro for OSPF NSM timer turn on. */ +#define OSPF_NSM_TIMER_ON(T,F,V) \ + do { \ + if (!(T)) \ + (T) = thread_add_timer (master, (F), nbr, (V)); \ + } while (0) + +/* Macro for OSPF NSM timer turn off. */ +#define OSPF_NSM_TIMER_OFF(X) \ + do { \ + if (X) \ + { \ + thread_cancel (X); \ + (X) = NULL; \ + } \ + } while (0) + +/* Macro for OSPF NSM schedule event. */ +#define OSPF_NSM_EVENT_SCHEDULE(N,E) \ + thread_add_event (master, ospf_nsm_event, (N), (E)) + +/* Macro for OSPF NSM execute event. */ +#define OSPF_NSM_EVENT_EXECUTE(N,E) \ + thread_execute (master, ospf_nsm_event, (N), (E)) + +/* Prototypes. */ +int ospf_nsm_event (struct thread *); +void nsm_change_state (struct ospf_neighbor *, int); +void ospf_check_nbr_loading (struct ospf_neighbor *); +int ospf_db_summary_isempty (struct ospf_neighbor *); +int ospf_db_summary_count (struct ospf_neighbor *); +void ospf_db_summary_clear (struct ospf_neighbor *); +/* void ospf_db_summary_delete_all (struct ospf_neighbor *); */ + +#endif /* _ZEBRA_OSPF_NSM_H */ + |