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-rw-r--r--net/ipv4/tcp_input.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2d9151c94368..215e38c1a233 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -701,13 +701,10 @@ static inline void tcp_set_rto(struct sock *sk)
701 * all the algo is pure shit and should be replaced 701 * all the algo is pure shit and should be replaced
702 * with correct one. It is exactly, which we pretend to do. 702 * with correct one. It is exactly, which we pretend to do.
703 */ 703 */
704}
705 704
706/* NOTE: clamping at TCP_RTO_MIN is not required, current algo 705 /* NOTE: clamping at TCP_RTO_MIN is not required, current algo
707 * guarantees that rto is higher. 706 * guarantees that rto is higher.
708 */ 707 */
709static inline void tcp_bound_rto(struct sock *sk)
710{
711 if (inet_csk(sk)->icsk_rto > TCP_RTO_MAX) 708 if (inet_csk(sk)->icsk_rto > TCP_RTO_MAX)
712 inet_csk(sk)->icsk_rto = TCP_RTO_MAX; 709 inet_csk(sk)->icsk_rto = TCP_RTO_MAX;
713} 710}
@@ -928,7 +925,6 @@ static void tcp_init_metrics(struct sock *sk)
928 tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk)); 925 tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk));
929 } 926 }
930 tcp_set_rto(sk); 927 tcp_set_rto(sk);
931 tcp_bound_rto(sk);
932 if (inet_csk(sk)->icsk_rto < TCP_TIMEOUT_INIT && !tp->rx_opt.saw_tstamp) 928 if (inet_csk(sk)->icsk_rto < TCP_TIMEOUT_INIT && !tp->rx_opt.saw_tstamp)
933 goto reset; 929 goto reset;
934 tp->snd_cwnd = tcp_init_cwnd(tp, dst); 930 tp->snd_cwnd = tcp_init_cwnd(tp, dst);
@@ -3081,7 +3077,6 @@ static void tcp_ack_saw_tstamp(struct sock *sk, int flag)
3081 tcp_rtt_estimator(sk, seq_rtt); 3077 tcp_rtt_estimator(sk, seq_rtt);
3082 tcp_set_rto(sk); 3078 tcp_set_rto(sk);
3083 inet_csk(sk)->icsk_backoff = 0; 3079 inet_csk(sk)->icsk_backoff = 0;
3084 tcp_bound_rto(sk);
3085} 3080}
3086 3081
3087static void tcp_ack_no_tstamp(struct sock *sk, u32 seq_rtt, int flag) 3082static void tcp_ack_no_tstamp(struct sock *sk, u32 seq_rtt, int flag)
@@ -3101,7 +3096,6 @@ static void tcp_ack_no_tstamp(struct sock *sk, u32 seq_rtt, int flag)
3101 tcp_rtt_estimator(sk, seq_rtt); 3096 tcp_rtt_estimator(sk, seq_rtt);
3102 tcp_set_rto(sk); 3097 tcp_set_rto(sk);
3103 inet_csk(sk)->icsk_backoff = 0; 3098 inet_csk(sk)->icsk_backoff = 0;
3104 tcp_bound_rto(sk);
3105} 3099}
3106 3100
3107static inline void tcp_ack_update_rtt(struct sock *sk, const int flag, 3101static inline void tcp_ack_update_rtt(struct sock *sk, const int flag,