66 lines
2 KiB
C
66 lines
2 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* OSPF version 2 Neighbor State Machine
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* From RFC2328 [OSPF Version 2]
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* Copyright (C) 1999 Toshiaki Takada
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*/
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#ifndef _ZEBRA_OSPF_NSM_H
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#define _ZEBRA_OSPF_NSM_H
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#include "hook.h"
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/* OSPF Neighbor State Machine State. */
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#define NSM_DependUpon 0
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#define NSM_Deleted 1
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#define NSM_Down 2
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#define NSM_Attempt 3
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#define NSM_Init 4
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#define NSM_TwoWay 5
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#define NSM_ExStart 6
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#define NSM_Exchange 7
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#define NSM_Loading 8
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#define NSM_Full 9
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#define OSPF_NSM_STATE_MAX 10
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/* OSPF Neighbor State Machine Event. */
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#define NSM_NoEvent 0
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#define NSM_HelloReceived 1 /* HelloReceived in the protocol */
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#define NSM_Start 2
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#define NSM_TwoWayReceived 3
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#define NSM_NegotiationDone 4
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#define NSM_ExchangeDone 5
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#define NSM_BadLSReq 6
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#define NSM_LoadingDone 7
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#define NSM_AdjOK 8
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#define NSM_SeqNumberMismatch 9
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#define NSM_OneWayReceived 10
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#define NSM_KillNbr 11
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#define NSM_InactivityTimer 12
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#define NSM_LLDown 13
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#define OSPF_NSM_EVENT_MAX 14
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/* Macro for OSPF NSM timer turn on. */
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#define OSPF_NSM_TIMER_ON(T, F, V) event_add_timer(master, (F), nbr, (V), &(T))
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/* Macro for OSPF NSM schedule event. */
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#define OSPF_NSM_EVENT_SCHEDULE(N, E) \
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event_add_event(master, ospf_nsm_event, (N), (E), NULL)
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/* Macro for OSPF NSM execute event. */
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#define OSPF_NSM_EVENT_EXECUTE(N, E) \
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event_execute(master, ospf_nsm_event, (N), (E), NULL)
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/* Prototypes. */
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extern void ospf_nsm_event(struct event *e);
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extern void ospf_check_nbr_loading(struct ospf_neighbor *nbr);
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extern int ospf_db_summary_isempty(struct ospf_neighbor *nbr);
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extern int ospf_db_summary_count(struct ospf_neighbor *nbr);
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extern void ospf_db_summary_clear(struct ospf_neighbor *nbr);
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extern int nsm_should_adj(struct ospf_neighbor *nbr);
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DECLARE_HOOK(ospf_nsm_change,
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(struct ospf_neighbor * on, int state, int oldstate),
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(on, state, oldstate));
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#endif /* _ZEBRA_OSPF_NSM_H */
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