1 files changed, 64 insertions, 0 deletions
diff --git a/zebra/zebra_neigh.h b/zebra/zebra_neigh.h
new file mode 100644
index 0000000..953f2e3
--- /dev/null
+++ b/zebra/zebra_neigh.h
@@ -0,0 +1,64 @@
+/*
+ * Zebra neighbor table management
+ *
+ * Copyright (C) 2021 Nvidia
+ * Anuradha Karuppiah
+ *
+ * This file is part of FRR.
+ *
+ * FRR 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.
+ *
+ * FRR 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.
+ */
+
+#ifndef _ZEBRA_NEIGH_H
+#define _ZEBRA_NEIGH_H
+
+#include <zebra.h>
+
+#include "if.h"
+
+#define zneigh_info zrouter.neigh_info
+
+struct zebra_neigh_ent {
+	ifindex_t ifindex;
+	struct ipaddr ip;
+
+	struct ethaddr mac;
+
+	uint32_t flags;
+#define ZEBRA_NEIGH_ENT_ACTIVE (1 << 0) /* can be used for traffic */
+
+	/* memory used for adding the neigt entry to zneigh_info->es_rb_tree */
+	RB_ENTRY(zebra_neigh_ent) rb_node;
+
+	/* list of pbr rules associated with this neigh */
+	struct list *pbr_rule_list;
+};
+RB_HEAD(zebra_neigh_rb_head, zebra_neigh_ent);
+RB_PROTOTYPE(zebra_neigh_rb_head, zebra_neigh_ent, rb_node, zebra_es_rb_cmp);
+
+struct zebra_neigh_info {
+	/* RB tree of neighbor entries  */
+	struct zebra_neigh_rb_head neigh_rb_tree;
+};
+
+
+/****************************************************************************/
+extern void zebra_neigh_add(struct interface *ifp, struct ipaddr *ip,
+			    struct ethaddr *mac);
+extern void zebra_neigh_del(struct interface *ifp, struct ipaddr *ip);
+extern void zebra_neigh_show(struct vty *vty);
+extern void zebra_neigh_init(void);
+extern void zebra_neigh_terminate(void);
+extern void zebra_neigh_deref(struct zebra_pbr_rule *rule);
+extern void zebra_neigh_ref(int ifindex, struct ipaddr *ip,
+			    struct zebra_pbr_rule *rule);
+
+#endif /* _ZEBRA_NEIGH_H */