datapath: Use netlink ipv4 API to handle the ipv4 addr attributes.

[cascardo/ovs.git] / datapath / linux / compat / include / net / netlink.h

diff --git a/datapath/linux/compat/include/net/netlink.h b/datapath/linux/compat/include/net/netlink.h
index 2122ace..0476687 100644 (file)
--- a/datapath/linux/compat/include/net/netlink.h
+++ b/datapath/linux/compat/include/net/netlink.h
@@ -3,6 +3,7 @@
 
 #include <linux/version.h>
 #include_next <net/netlink.h>
+#include_next <linux/in6.h>
 
 #ifndef HAVE_NLA_GET_BE16
 /**
@@ -70,4 +71,31 @@ static inline bool nla_is_last(const struct nlattr *nla, int rem)
 }
 #endif
 
+#ifndef HAVE_NLA_PUT_IN_ADDR
+static inline int nla_put_in_addr(struct sk_buff *skb, int attrtype,
+                                 __be32 addr)
+{
+       return nla_put_be32(skb, attrtype, addr);
+}
+
+static inline int nla_put_in6_addr(struct sk_buff *skb, int attrtype,
+                                  const struct in6_addr *addr)
+{
+       return nla_put(skb, attrtype, sizeof(*addr), addr);
+}
+
+static inline __be32 nla_get_in_addr(const struct nlattr *nla)
+{
+       return *(__be32 *) nla_data(nla);
+}
+
+static inline struct in6_addr nla_get_in6_addr(const struct nlattr *nla)
+{
+       struct in6_addr tmp;
+
+       nla_memcpy(&tmp, nla, sizeof(tmp));
+       return tmp;
+}
+#endif
+
 #endif /* net/netlink.h */