X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_input.c;h=fec8a7a4dbaffa3781685fe9203b4c998482dc8d;hb=a9417357cff6027f9d6b1740f821baa59f2381f4;hp=69f9f1ef3ef69bc1d3ed88fa410443ac32af40a3;hpb=7769f4064cd9f4fbae09f071578a051aae83e844;p=linux-2.6

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 69f9f1ef3e..fec8a7a4db 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1398,7 +1398,9 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
 		 * waiting for the first ACK and did not get it)...
 		 */
 		if ((tp->frto_counter == 1) && !(flag&FLAG_DATA_ACKED)) {
-			tp->retrans_out += tcp_skb_pcount(skb);
+			/* For some reason this R-bit might get cleared? */
+			if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS)
+				tp->retrans_out += tcp_skb_pcount(skb);
 			/* ...enter this if branch just for the first segment */
 			flag |= FLAG_DATA_ACKED;
 		} else {
@@ -2321,11 +2323,11 @@ static inline void tcp_ack_update_rtt(struct sock *sk, const int flag,
 		tcp_ack_no_tstamp(sk, seq_rtt, flag);
 }
 
-static void tcp_cong_avoid(struct sock *sk, u32 ack, u32 rtt,
+static void tcp_cong_avoid(struct sock *sk, u32 ack,
 			   u32 in_flight, int good)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
-	icsk->icsk_ca_ops->cong_avoid(sk, ack, rtt, in_flight, good);
+	icsk->icsk_ca_ops->cong_avoid(sk, ack, in_flight, good);
 	tcp_sk(sk)->snd_cwnd_stamp = tcp_time_stamp;
 }
 
@@ -2824,11 +2826,11 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 		/* Advance CWND, if state allows this. */
 		if ((flag & FLAG_DATA_ACKED) && !frto_cwnd &&
 		    tcp_may_raise_cwnd(sk, flag))
-			tcp_cong_avoid(sk, ack,  seq_rtt, prior_in_flight, 0);
+			tcp_cong_avoid(sk, ack, prior_in_flight, 0);
 		tcp_fastretrans_alert(sk, prior_snd_una, prior_packets, flag);
 	} else {
 		if ((flag & FLAG_DATA_ACKED) && !frto_cwnd)
-			tcp_cong_avoid(sk, ack, seq_rtt, prior_in_flight, 1);
+			tcp_cong_avoid(sk, ack, prior_in_flight, 1);
 	}
 
 	if ((flag & FLAG_FORWARD_PROGRESS) || !(flag&FLAG_NOT_DUP))