Commits
David S. Miller committed d3dcc077bf8
[NETLINK]: Put {IFA,IFLA}_{RTA,PAYLOAD} macros back for userspace.
GLIBC uses them etc.
They are guarded by ifndef __KERNEL__ so nobody will start
accidently using them in the kernel again, it's just for
userspace.
Signed-off-by: David S. Miller <davem@davemloft.net>