X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_lp.c;h=ce3c41ff50b2736d5c41b1436cdcd189dcb11c00;hb=9a5467fd600669cda488771dac3e951034fe2b08;hp=e49836ce012e768a4586432f7b62be9a0b6e5140;hpb=4cc21505a09354ade787de368bd697a1bba3b213;p=linux-2.6

diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index e49836ce01..ce3c41ff50 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -115,13 +115,12 @@ static void tcp_lp_init(struct sock *sk)
  * Will only call newReno CA when away from inference.
  * From TCP-LP's paper, this will be handled in additive increasement.
  */
-static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 rtt, u32 in_flight,
-			      int flag)
+static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 {
 	struct lp *lp = inet_csk_ca(sk);
 
 	if (!(lp->flag & LP_WITHIN_INF))
-		tcp_reno_cong_avoid(sk, ack, rtt, in_flight, flag);
+		tcp_reno_cong_avoid(sk, ack, in_flight);
 }
 
 /**
@@ -261,13 +260,13 @@ static void tcp_lp_rtt_sample(struct sock *sk, u32 rtt)
  * newReno in increase case.
  * We work it out by following the idea from TCP-LP's paper directly
  */
-static void tcp_lp_pkts_acked(struct sock *sk, u32 num_acked, ktime_t last)
+static void tcp_lp_pkts_acked(struct sock *sk, u32 num_acked, s32 rtt_us)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct lp *lp = inet_csk_ca(sk);
 
-	if (!ktime_equal(last, net_invalid_timestamp()))
-		tcp_lp_rtt_sample(sk,  ktime_to_us(net_timedelta(last)));
+	if (rtt_us > 0)
+		tcp_lp_rtt_sample(sk, rtt_us);
 
 	/* calc inference */
 	if (tcp_time_stamp > tp->rx_opt.rcv_tsecr)