net: Put fl6_* macros to struct flowi6 and use them again.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc include/net/flow.h
Simple merge

diff --cc net/dccp/ipv6.c
Simple merge

diff --cc net/ipv6/af_inet6.c
Simple merge

diff --cc net/ipv6/datagram.c
Simple merge

diff --cc net/ipv6/icmp.c
Simple merge

diff --cc net/ipv6/inet6_connection_sock.c
Simple merge

diff --cc net/ipv6/mip6.c
Simple merge

diff --cc net/ipv6/netfilter/ip6t_REJECT.c
Simple merge

diff --cc net/ipv6/raw.c
Simple merge

diff --cc net/ipv6/syncookies.c
Simple merge

diff --cc net/ipv6/tcp_ipv6.c
Simple merge

diff --cc net/ipv6/udp.c
Simple merge

diff --cc net/ipv6/xfrm6_policy.c
Simple merge