2 files changed, 12 insertions, 1 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 5feb49ee9..f2be9dbaa 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -471,12 +471,18 @@ struct tcp_sock {
         u32 mytcp_bytes_send;
         u32 mytcp_acked_bytes;
         u32 mytcp_acked_seq_last;
+
+    // add
+    int exit_slow_start_flag;
         
         // new
         u32 my_ip_rtt;
 
+    u32 mytcp_average_rtt;
+
         u32 my_last_ack;
         u32 my_ack_seq_gap;
+    u32 mytcp_this_rtt_count;
         // new ended
 };
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7a8f950f5..69417ebf6 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1210,7 +1210,12 @@ static inline unsigned int tcp_packets_in_flight(const struct tcp_sock *tp)
 
 static inline bool tcp_in_slow_start(const struct tcp_sock *tp)
 {
-        return tp->snd_cwnd < tp->snd_ssthresh;
+   // return tp->snd_cwnd < tp->snd_ssthresh;
+    if(tp->exit_slow_start_flag!=1){
+        return tp->snd_cwnd < tp->snd_ssthresh;
+    }else{
+        return 0;
+    }
 }
 
 static inline bool tcp_in_initial_slowstart(const struct tcp_sock *tp)