Initial commit

1 files changed, 40 insertions, 0 deletions

diff --git a/src/router.h b/src/router.h
new file mode 100644
index 0000000..1e8649c
--- /dev/null
+++ b/src/router.h
@@ -0,0 +1,40 @@
+/**
+ * Copyright (C) 2012-2013 Steven Barth <steven@midlink.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#pragma once
+#include <stdint.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+
+struct icmpv6_opt {
+	uint8_t type;
+	uint8_t len;
+	uint8_t data[6];
+};
+
+
+#define icmpv6_for_each_option(opt, start, end)\
+	for (opt = (struct icmpv6_opt*)(start);\
+	(void*)(opt + 1) <= (void*)(end) && opt->len > 0 &&\
+	(void*)(opt + opt->len) <= (void*)(end); opt += opt->len)
+
+
+#define MaxRtrAdvInterval 600
+#define MinRtrAdvInterval (MaxRtrAdvInterval / 3)
+#define MaxValidTime 7200
+#define MaxPreferredTime  (3 * MaxRtrAdvInterval)
+
+#define ND_RA_FLAG_PROXY	0x4
+#define ND_RA_PREF_HIGH	(1 << 3)
+#define ND_RA_PREF_LOW		(3 << 3)