From d3dcc077bf88806201093f86325ec656e4dbfbce Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Fri, 8 Dec 2006 17:05:13 -0800
Subject: [PATCH] [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>
---
include/linux/if_addr.h | 6 ++++++
include/linux/if_link.h | 6 ++++++
2 files changed, 12 insertions(+)
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
index dbe8f6120a40b..d557e4ce9b6b5 100644
--- a/include/linux/if_addr.h
+++ b/include/linux/if_addr.h
@@ -52,4 +52,10 @@ struct ifa_cacheinfo
__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
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index e963a077e6f51..35ed3b5467f33 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.
--
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