Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/ripngd/ripng_nexthop.h b/ripngd/ripng_nexthop.h
new file mode 100644
index 0000000..2d29939
--- /dev/null
+++ b/ripngd/ripng_nexthop.h
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* RIPng nexthop support
+ * Copyright (C) 6WIND Vincent Jardin <vincent.jardin@6wind.com>
+ */
+
+#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"
+
+extern struct list *ripng_rte_new(void);
+extern void ripng_rte_free(struct list *ripng_rte_list);
+extern void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p,
+			  struct ripng_info *rinfo,
+			  struct ripng_aggregate *aggregate);
+extern 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 */