1 files changed, 78 insertions, 0 deletions
diff --git a/ldpd/rlfa.h b/ldpd/rlfa.h
new file mode 100644
index 0000000..fe67917
--- /dev/null
+++ b/ldpd/rlfa.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2020  NetDEF, Inc.
+ *                     Renato Westphal
+ *
+ * This program 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 of the License, or (at your option)
+ * any later version.
+ *
+ * This program 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 _LDPD_RLFA_H_
+#define _LDPD_RLFA_H_
+
+#include "openbsd-tree.h"
+#include "zclient.h"
+
+struct ldp_rlfa_client {
+	RB_ENTRY(ldp_rlfa_client) entry;
+
+	/* IGP instance data. */
+	struct zapi_rlfa_igp igp;
+
+	/* Backpointer to RLFA node. */
+	struct ldp_rlfa_node *node;
+};
+RB_HEAD(ldp_rlfa_client_head, ldp_rlfa_client);
+RB_PROTOTYPE(ldp_rlfa_client_head, ldp_rlfa_client, entry,
+	     ldp_rlfa_client_compare);
+
+struct ldp_rlfa_node {
+	RB_ENTRY(ldp_rlfa_node) entry;
+
+	/* Destination prefix. */
+	struct prefix destination;
+
+	/* PQ node address. */
+	struct in_addr pq_address;
+
+	/* RLFA clients. */
+	struct ldp_rlfa_client_head clients;
+
+	/* Label allocated by the PQ node to the RLFA destination. */
+	mpls_label_t pq_label;
+};
+RB_HEAD(ldp_rlfa_node_head, ldp_rlfa_node);
+RB_PROTOTYPE(ldp_rlfa_node_head, ldp_rlfa_node, entry, ldp_rlfa_node_compare);
+
+extern struct ldp_rlfa_node_head rlfa_node_tree;
+
+/* prototypes */
+struct		 ldp_rlfa_client *rlfa_client_new(struct ldp_rlfa_node *rnode,
+		    struct zapi_rlfa_igp *igp);
+void		 rlfa_client_del(struct ldp_rlfa_client *rclient);
+struct ldp_rlfa_client *rlfa_client_find(struct ldp_rlfa_node *rnode,
+		    struct zapi_rlfa_igp *igp);
+struct ldp_rlfa_node *rlfa_node_new(const struct prefix *destination,
+		    struct in_addr pq_address);
+void rlfa_node_del(struct ldp_rlfa_node *rnode);
+struct ldp_rlfa_node *rlfa_node_find(const struct prefix *destination,
+		    struct in_addr pq_address);
+void		 lde_rlfa_check(struct ldp_rlfa_client *rclient);
+void		 lde_rlfa_client_send(struct ldp_rlfa_client *rclient);
+void		 lde_rlfa_label_update(const struct fec *fec);
+void		 lde_rlfa_update_clients(struct fec *fec, struct lde_nbr *ln,
+		    uint32_t label);
+void		 ldpe_rlfa_init(struct ldp_rlfa_client *rclient);
+void		 ldpe_rlfa_exit(struct ldp_rlfa_client *rclient);
+
+#endif /* _LDPD_RLFA_H_ */