3 files changed, 8 insertions, 2 deletions

diff --git a/include/asm-generic/socket.h b/include/asm-generic/socket.h
index 538991cef6f0..9a6115e7cf63 100644
--- a/include/asm-generic/socket.h
+++ b/include/asm-generic/socket.h
@@ -63,4 +63,5 @@
 #define SO_PROTOCOL             38
 #define SO_DOMAIN               39
 
+#define SO_RXQ_OVFL             40
 #endif /* __ASM_GENERIC_SOCKET_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index df7b23ac66e6..8c866b5cb97b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -389,8 +389,10 @@ struct sk_buff {
 #ifdef CONFIG_NETWORK_SECMARK
         __u32                   secmark;
 #endif
-
-        __u32                   mark;
+        union {
+                __u32           mark;
+                __u32           dropcount;
+        };
 
         __u16                   vlan_tci;
 
diff --git a/include/net/sock.h b/include/net/sock.h
index 98398bdec57d..10669b01eeab 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -505,6 +505,7 @@ enum sock_flags {
         SOCK_TIMESTAMPING_RAW_HARDWARE, /* %SOF_TIMESTAMPING_RAW_HARDWARE */
         SOCK_TIMESTAMPING_SYS_HARDWARE, /* %SOF_TIMESTAMPING_SYS_HARDWARE */
         SOCK_FASYNC, /* fasync() active */
+        SOCK_RXQ_OVFL,
 };
 
 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
@@ -1493,6 +1494,8 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
                 sk->sk_stamp = kt;
 }
 
+extern void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb);
+
 /**
  * sock_tx_timestamp - checks whether the outgoing packet is to be time stamped
  * @msg:        outgoing packet