[U-Boot] [RFC PATCH v2 01/11] Initial net6.h

[Chris Packham <judge.packham@gmail.com>]

The initial net6.h just has the definition of an IPv6 address and IPv6
header. Subsequent changes will build on this.

Signed-off-by: Chris Packham <judge.packham@gmail.com>

---

Changes in v2: None

 include/net6.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 include/net6.h

diff --git a/include/net6.h b/include/net6.h
new file mode 100644
index 0000000..b622951
--- /dev/null
+++ b/include/net6.h
@@ -0,0 +1,48 @@
+/**
+ * Simple IPv6 network layer implementation.
+ *
+ * Based and/or adapted from the IPv4 network layer in net.[hc]
+ *
+ * (C) Copyright 2013 Allied Telesis Labs NZ
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __NET6_H__
+#define __NET6_H__
+
+struct in6_addr {
+	union {
+		__u8	u6_addr8[16];
+		__be16	u6_addr16[8];
+		__be32	u6_addr32[4];
+	} in6_u;
+
+#define s6_addr		in6_u.u6_addr8
+#define s6_addr16	in6_u.u6_addr16
+#define s6_addr32	in6_u.u6_addr32
+};
+
+/**
+ * struct ipv6hdr - Internet Protocol V6 (IPv6) header.
+ *
+ * IPv6 packet header as defined in RFC 2460.
+ */
+struct ip6_hdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	__u8    priority:4,
+		version:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	__u8    version:4,
+		priority:4;
+#else
+#error  "Please fix <asm/byteorder.h>"
+#endif
+	__u8		flow_lbl[3];
+	__be16		payload_len;
+	__u8		nexthdr;
+	__u8		hop_limit;
+	struct in6_addr	saddr;
+	struct in6_addr	daddr;
+};
+
+#endif /* __NET6_H__ */
-- 
2.5.3