datapath: Backport more Netlink functions.

[sliver-openvswitch.git] / datapath / linux-2.6 / compat-2.6 / include / net / netlink.h

diff --git a/datapath/linux-2.6/compat-2.6/include/net/netlink.h b/datapath/linux-2.6/compat-2.6/include/net/netlink.h
index 2ee321b..52238d8 100644 (file)
--- a/datapath/linux-2.6/compat-2.6/include/net/netlink.h
+++ b/datapath/linux-2.6/compat-2.6/include/net/netlink.h
@@ -111,4 +111,21 @@ static inline int nla_type(const struct nlattr *nla)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
+#define nla_parse_nested(tb, maxtype, nla, policy) \
+       nla_parse_nested(tb, maxtype, (struct nlattr *)(nla), policy)
+#endif
+
+#ifndef nla_for_each_nested
+#define nla_for_each_nested(pos, nla, rem) \
+       nla_for_each_attr(pos, nla_data(nla), nla_len(nla), rem)
+#endif
+
+#ifndef HAVE_NLA_FIND_NESTED
+static inline struct nlattr *nla_find_nested(struct nlattr *nla, int attrtype)
+{
+       return nla_find(nla_data(nla), nla_len(nla), attrtype);
+}
+#endif
+
 #endif /* net/netlink.h */