summaryrefslogtreecommitdiffstats
path: root/ospfd/ospf_nsm.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
commit2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch)
treec05dc0f8e6aa3accc84e3e5cffc933ed94941383 /ospfd/ospf_nsm.h
parentInitial commit. (diff)
downloadfrr-upstream.tar.xz
frr-upstream.zip
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ospfd/ospf_nsm.h')
-rw-r--r--ospfd/ospf_nsm.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/ospfd/ospf_nsm.h b/ospfd/ospf_nsm.h
new file mode 100644
index 0000000..c526c4c
--- /dev/null
+++ b/ospfd/ospf_nsm.h
@@ -0,0 +1,80 @@
+/*
+ * 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 this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _ZEBRA_OSPF_NSM_H
+#define _ZEBRA_OSPF_NSM_H
+
+#include "hook.h"
+
+/* OSPF Neighbor State Machine State. */
+#define NSM_DependUpon 0
+#define NSM_Deleted 1
+#define NSM_Down 2
+#define NSM_Attempt 3
+#define NSM_Init 4
+#define NSM_TwoWay 5
+#define NSM_ExStart 6
+#define NSM_Exchange 7
+#define NSM_Loading 8
+#define NSM_Full 9
+#define OSPF_NSM_STATE_MAX 10
+
+/* OSPF Neighbor State Machine Event. */
+#define NSM_NoEvent 0
+#define NSM_HelloReceived 1 /* HelloReceived in the protocol */
+#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) thread_add_timer (master, (F), nbr, (V), &(T))
+
+/* Macro for OSPF NSM schedule event. */
+#define OSPF_NSM_EVENT_SCHEDULE(N, E) \
+ thread_add_event(master, ospf_nsm_event, (N), (E), NULL)
+
+/* Macro for OSPF NSM execute event. */
+#define OSPF_NSM_EVENT_EXECUTE(N, E) \
+ thread_execute(master, ospf_nsm_event, (N), (E))
+
+/* Prototypes. */
+extern void ospf_nsm_event(struct thread *);
+extern void ospf_check_nbr_loading(struct ospf_neighbor *);
+extern int ospf_db_summary_isempty(struct ospf_neighbor *);
+extern int ospf_db_summary_count(struct ospf_neighbor *);
+extern void ospf_db_summary_clear(struct ospf_neighbor *);
+extern int nsm_should_adj(struct ospf_neighbor *nbr);
+DECLARE_HOOK(ospf_nsm_change,
+ (struct ospf_neighbor * on, int state, int oldstate),
+ (on, state, oldstate));
+
+#endif /* _ZEBRA_OSPF_NSM_H */