1 files changed, 92 insertions, 0 deletions
diff --git a/test/packetdrill/ipv6.h b/test/packetdrill/ipv6.h
new file mode 100644
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--- /dev/null
+++ b/test/packetdrill/ipv6.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+/*
+ * Author: ncardwell@google.com (Neal Cardwell)
+ *
+ * Our own IPv6 header declarations, so we have something that's
+ * portable and somewhat more readable than a typical system header
+ * file.
+ */
+
+#ifndef __IPV6_HEADERS_H__
+#define __IPV6_HEADERS_H__
+
+#include "types.h"
+
+#include <netinet/in.h>
+
+struct ipv6 {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	__u8			traffic_class_hi:4,
+				version:4;
+	__u8			flow_label_hi:4,
+				traffic_class_lo:4;
+	__u16			flow_label_lo;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+	__u8			version:4,
+				traffic_class_hi:4;
+	__u8			traffic_class_lo:4,
+				flow_label_hi:4;
+	__u16			flow_label_lo;
+#else
+# error "Please fix endianness defines"
+#endif
+
+	__be16			payload_len;
+	__u8			next_header;
+	__u8			hop_limit;
+
+	struct	in6_addr	src_ip;
+	struct	in6_addr	dst_ip;
+};
+
+#ifdef linux
+#define IPV6_HOPLIMIT   52
+#define IPV6_TCLASS	67
+#endif  /* linux */
+
+static inline u8 ipv6_tos_byte(const struct ipv6 *ipv6)
+{
+	return (ipv6->traffic_class_hi << 4) | ipv6->traffic_class_lo;
+}
+
+static inline u32 ipv6_flow_label(const struct ipv6 *ipv6)
+{
+	return (ntohs(ipv6->flow_label_lo)) | (ipv6->flow_label_hi << 16);
+}
+
+static inline u8 ipv6_hoplimit_byte(const struct ipv6 *ipv6)
+{
+	return ipv6->hop_limit;
+}
+
+/* The following struct declaration is needed for the IPv6 ioctls
+ * SIOCSIFADDR and SIOCDIFADDR that add and delete IPv6 addresses from
+ * a network interface. We have to declare our own version here
+ * because this struct is only available in /usr/include/linux/ipv6.h,
+ * but that .h file has kernel IPv6 declarations that conflict with
+ * standard user-space IPv6 declarations.
+ */
+struct in6_ifreq {
+	struct in6_addr	ifr6_addr;
+	__u32		ifr6_prefixlen;
+	int		ifr6_ifindex;
+};
+
+#endif /* __IPV6_HEADERS_H__ */