datapath: Backport nla_put_be* functions.

Linux 3.5 replaces the NLA_PUT_* functions with non-macro version,
which required adding the endian-typed versions.  This backports
those functions and drops the macro backports.

Signed-off-by: Jesse Gross <jesse@nicira.com>

diff --git a/datapath/linux/compat/include/net/netlink.h b/datapath/linux/compat/include/net/netlink.h
index 8bd6baa..14041e2 100644 (file)
--- a/datapath/linux/compat/include/net/netlink.h
+++ b/datapath/linux/compat/include/net/netlink.h
@@ -29,21 +29,6 @@
 #define NLA_NESTED NLA_UNSPEC
 #endif
 
-#ifndef NLA_PUT_BE16
-#define NLA_PUT_BE16(skb, attrtype, value) \
-       NLA_PUT_TYPE(skb, __be16, attrtype, value)
-#endif  /* !NLA_PUT_BE16 */
-
-#ifndef NLA_PUT_BE32
-#define NLA_PUT_BE32(skb, attrtype, value) \
-       NLA_PUT_TYPE(skb, __be32, attrtype, value)
-#endif  /* !NLA_PUT_BE32 */
-
-#ifndef NLA_PUT_BE64
-#define NLA_PUT_BE64(skb, attrtype, value) \
-       NLA_PUT_TYPE(skb, __be64, attrtype, value)
-#endif  /* !NLA_PUT_BE64 */
-
 #ifndef HAVE_NLA_GET_BE16
 /**
  * nla_get_be16 - return payload of __be16 attribute
@@ -100,6 +85,21 @@ static inline __be64 nla_get_be64(const struct nlattr *nla)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)
+static inline int nla_put_be16(struct sk_buff *skb, int attrtype, __be16 value)
+{
+       return nla_put(skb, attrtype, sizeof(__be16), &value);
+}
+static inline int nla_put_be32(struct sk_buff *skb, int attrtype, __be32 value)
+{
+       return nla_put(skb, attrtype, sizeof(__be32), &value);
+}
+static inline int nla_put_be64(struct sk_buff *skb, int attrtype, __be64 value)
+{
+       return nla_put(skb, attrtype, sizeof(__be64), &value);
+}
+#endif
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
 /**
  * nla_type - attribute type