1 files changed, 20 insertions, 0 deletions

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 805de50df00d..8c2287264266 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -150,4 +150,24 @@ static inline int genlmsg_unicast(struct sk_buff *skb, u32 pid)
         return nlmsg_unicast(genl_sock, skb, pid);
 }
 
+/**
+ * gennlmsg_data - head of message payload
+ * @gnlh: genetlink messsage header
+ */
+static inline void *genlmsg_data(const struct genlmsghdr *gnlh)
+{
+        return ((unsigned char *) gnlh + GENL_HDRLEN);
+}
+
+/**
+ * genlmsg_len - length of message payload
+ * @gnlh: genetlink message header
+ */
+static inline int genlmsg_len(const struct genlmsghdr *gnlh)
+{
+        struct nlmsghdr *nlh = (struct nlmsghdr *)((unsigned char *)gnlh -
+                                                        NLMSG_HDRLEN);
+        return (nlh->nlmsg_len - GENL_HDRLEN - NLMSG_HDRLEN);
+}
+
 #endif  /* __NET_GENERIC_NETLINK_H */