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Diffstat (limited to 'include/net/inet_connection_sock.h')
-rw-r--r--include/net/inet_connection_sock.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 179609d1d1ea..ff40e1d08157 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -315,7 +315,7 @@ int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
-#define TCP_PINGPONG_THRESH 1
+#define TCP_PINGPONG_THRESH 3
static inline void inet_csk_enter_pingpong_mode(struct sock *sk)
{
@@ -331,4 +331,12 @@ static inline bool inet_csk_in_pingpong_mode(struct sock *sk)
{
return inet_csk(sk)->icsk_ack.pingpong >= TCP_PINGPONG_THRESH;
}
+
+static inline void inet_csk_inc_pingpong_cnt(struct sock *sk)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ if (icsk->icsk_ack.pingpong < U8_MAX)
+ icsk->icsk_ack.pingpong++;
+}
#endif /* _INET_CONNECTION_SOCK_H */