From a94434b69197e074569d7579126074e9cb7212a5 Mon Sep 17 00:00:00 2001
From: hasso <hasso>
Date: Sun, 25 May 2003 17:10:12 +0000
Subject: Ripngd part of 6Wind patch.

---
 ripngd/ripng_nexthop.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 ripngd/ripng_nexthop.h

(limited to 'ripngd/ripng_nexthop.h')

diff --git a/ripngd/ripng_nexthop.h b/ripngd/ripng_nexthop.h
new file mode 100644
index 00000000..5c778f5e
--- /dev/null
+++ b/ripngd/ripng_nexthop.h
@@ -0,0 +1,62 @@
+/* RIPng nexthop support
+ * Copyright (C) 6WIND Vincent Jardin <vincent.jardin@6wind.com>
+ *
+ * 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 GNU Zebra; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
+
+#ifndef _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
+#define _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
+
+#include <zebra.h>
+#include "linklist.h"
+#include "ripngd/ripng_route.h"
+#include "ripngd/ripngd.h"
+
+struct list * ripng_rte_new(void);
+void ripng_rte_free(struct list *ripng_rte_list);
+void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p,
+                   struct ripng_info *rinfo, struct ripng_aggregate *aggregate);
+void ripng_rte_send(struct list *ripng_rte_list, struct interface *ifp,
+                    struct sockaddr_in6 *to);
+
+/***
+ * 1 if A > B
+ * 0 if A = B
+ * -1 if A < B
+ **/
+static inline int
+addr6_cmp(struct in6_addr *A, struct in6_addr *B) {
+#define a(i) A->s6_addr32[i]
+#define b(i) B->s6_addr32[i]
+
+  if (a(3) > b(3))
+    return 1;
+  else if ((a(3) == b(3)) && (a(2) > b(2)))
+    return 1;
+  else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) > b(1)))
+    return 1;
+  else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) && (a(0) > b(0)))
+    return 1;
+
+  if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) && (a(0) == b(0)))
+    return 0;
+
+  return -1;
+}
+
+#endif /* _ZEBRA_RIPNG_RIPNG_NEXTHOP_H */
-- 
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