[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>
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
index dbe8f61..d557e4c 100644
--- a/include/linux/if_addr.h
+++ b/include/linux/if_addr.h
@@ -52,4 +52,10 @@
__u32 tstamp; /* updated timestamp, hundredths of seconds */
};
+/* backwards compatibility for userspace */
+#ifndef __KERNEL__
+#define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
+#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
+#endif
+
#endif