tunnels: add _rcu annotations

[karo-tx-linux.git] / include / net / sock.h

diff --git a/include/net/sock.h b/include/net/sock.h
index adab9dc5818355c603a699101c4787c99434eb12..73a4f9702a65c816c3701ab7fa9777fdbcaa2c72 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1558,7 +1558,11 @@ static inline void sk_wake_async(struct sock *sk, int how, int band)
 }
 
 #define SOCK_MIN_SNDBUF 2048
-#define SOCK_MIN_RCVBUF 256
+/*
+ * Since sk_rmem_alloc sums skb->truesize, even a small frame might need
+ * sizeof(sk_buff) + MTU + padding, unless net driver perform copybreak
+ */
+#define SOCK_MIN_RCVBUF (2048 + sizeof(struct sk_buff))
 
 static inline void sk_stream_moderate_sndbuf(struct sock *sk)
 {
@@ -1670,17 +1674,13 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
 
 /**
  * sock_tx_timestamp - checks whether the outgoing packet is to be time stamped
- * @msg:       outgoing packet
  * @sk:                socket sending this packet
- * @shtx:      filled with instructions for time stamping
+ * @tx_flags:  filled with instructions for time stamping
  *
  * Currently only depends on SOCK_TIMESTAMPING* flags. Returns error code if
  * parameters are invalid.
  */
-extern int sock_tx_timestamp(struct msghdr *msg,
-                            struct sock *sk,
-                            union skb_shared_tx *shtx);
-
+extern int sock_tx_timestamp(struct sock *sk, __u8 *tx_flags);
 
 /**
  * sk_eat_skb - Release a skb if it is no longer needed