1 files changed, 95 insertions, 0 deletions
diff --git a/bgpd/bgp_lcommunity.h b/bgpd/bgp_lcommunity.h
new file mode 100644
index 0000000..b9b5fe3
--- /dev/null
+++ b/bgpd/bgp_lcommunity.h
@@ -0,0 +1,95 @@
+/* BGP Large Communities Attribute.
+ *
+ * Copyright (C) 2016 Keyur Patel <keyur@arrcus.com>
+ *
+ * This file is part of FRRouting (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.
+ *
+ * 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 _QUAGGA_BGP_LCOMMUNITY_H
+#define _QUAGGA_BGP_LCOMMUNITY_H
+
+#include "lib/json.h"
+#include "bgpd/bgp_route.h"
+#include "bgpd/bgp_clist.h"
+
+/* Large Communities value is twelve octets long.  */
+#define LCOMMUNITY_SIZE                        12
+
+/* Large Communities attribute.  */
+struct lcommunity {
+	/* Reference counter.  */
+	unsigned long refcnt;
+
+	/* Size of Extended Communities attribute.  */
+	int size;
+
+	/* Large Communities value.  */
+	uint8_t *val;
+
+	/* Large Communities as a json object */
+	json_object *json;
+
+	/* Human readable format string.  */
+	char *str;
+};
+
+/* Large community value is 12 octets.  */
+struct lcommunity_val {
+	char val[LCOMMUNITY_SIZE];
+};
+
+#define lcom_length(X)    ((X)->size * LCOMMUNITY_SIZE)
+
+extern void lcommunity_init(void);
+extern void lcommunity_finish(void);
+extern void lcommunity_free(struct lcommunity **);
+extern struct lcommunity *lcommunity_parse(uint8_t *, unsigned short);
+extern struct lcommunity *lcommunity_dup(struct lcommunity *);
+extern struct lcommunity *lcommunity_merge(struct lcommunity *,
+					   struct lcommunity *);
+extern struct lcommunity *lcommunity_uniq_sort(struct lcommunity *);
+extern struct lcommunity *lcommunity_intern(struct lcommunity *);
+extern bool lcommunity_cmp(const void *arg1, const void *arg2);
+extern void lcommunity_unintern(struct lcommunity **);
+extern unsigned int lcommunity_hash_make(const void *);
+extern struct hash *lcommunity_hash(void);
+extern struct lcommunity *lcommunity_str2com(const char *);
+extern bool lcommunity_match(const struct lcommunity *,
+			     const struct lcommunity *);
+extern char *lcommunity_str(struct lcommunity *, bool make_json,
+			    bool translate_alias);
+extern bool lcommunity_include(struct lcommunity *lcom, uint8_t *ptr);
+extern void lcommunity_del_val(struct lcommunity *lcom, uint8_t *ptr);
+
+extern void bgp_compute_aggregate_lcommunity(
+					struct bgp_aggregate *aggregate,
+					struct lcommunity *lcommunity);
+
+extern void bgp_compute_aggregate_lcommunity_hash(
+					struct bgp_aggregate *aggregate,
+					struct lcommunity *lcommunity);
+extern void bgp_compute_aggregate_lcommunity_val(
+					struct bgp_aggregate *aggregate);
+
+extern void bgp_remove_lcommunity_from_aggregate(
+					struct bgp_aggregate *aggregate,
+					struct lcommunity *lcommunity);
+extern void bgp_remove_lcomm_from_aggregate_hash(
+					struct bgp_aggregate *aggregate,
+					struct lcommunity *lcommunity);
+extern void bgp_aggr_lcommunity_remove(void *arg);
+
+#endif /* _QUAGGA_BGP_LCOMMUNITY_H */