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-rw-r--r--include/linux/if_link.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index e963a077e6f..35ed3b5467f 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -82,6 +82,12 @@ enum
#define IFLA_MAX (__IFLA_MAX - 1)
+/* backwards compatibility for userspace */
+#ifndef __KERNEL__
+#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
+#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
+#endif
+
/* ifi_flags.
IFF_* flags.