Merge branch 'master'

3 files changed, 23 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 */
diff --git a/include/net/protocol.h b/include/net/protocol.h
index a225d6371cb1..c643bce64e55 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -36,6 +36,7 @@
 struct net_protocol {
         int                     (*handler)(struct sk_buff *skb);
         void                    (*err_handler)(struct sk_buff *skb, u32 info);
+        int                     (*gso_send_check)(struct sk_buff *skb);
         struct sk_buff         *(*gso_segment)(struct sk_buff *skb,
                                                int features);
         int                     no_policy;
@@ -51,6 +52,7 @@ struct inet6_protocol
                                int type, int code, int offset,
                                __u32 info);
 
+        int     (*gso_send_check)(struct sk_buff *skb);
         struct sk_buff *(*gso_segment)(struct sk_buff *skb,
                                        int features);
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 3cd803b0d7a5..0720bddff1e9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1086,6 +1086,7 @@ extern struct request_sock_ops tcp_request_sock_ops;
 
 extern int tcp_v4_destroy_sock(struct sock *sk);
 
+extern int tcp_v4_gso_send_check(struct sk_buff *skb);
 extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);
 
 #ifdef CONFIG_PROC_FS