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
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Changes in v3: None 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 000000000000..b62295181d45 --- /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__ */