New files:

Modified files:
include/uapi/linux/in6.h
net/ipv6/af_inet6.c
include/net/netns/ipv6.h
net/ipv6/ip6_input.c
include/uapi/linux/ip6_tunnel.h
include/net/protocol.h
include/net/ipv6.h
net/ipv6/xfrm6_protocol.c
net/ipv6/exthdrs.c
net/ipv6/reassembly.c
net/ipv6/sysctl_net_ipv6.c