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authorDavid S. Miller <davem@sunset.davemloft.net>2006-12-08 17:05:13 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-08 17:19:33 -0800
commitd3dcc077bf88806201093f86325ec656e4dbfbce (patch)
treee0b98255bb4f2161928c9864d917219dfe46b87a
parent160d5e10f87b1dc88fd9b84b31b1718e0fd76398 (diff)
[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>
-rw-r--r--include/linux/if_addr.h6
-rw-r--r--include/linux/if_link.h6
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/if_addr.h b/include/linux/if_addr.h
index dbe8f6120a4..d557e4ce9b6 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 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.