[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

[linux-2.6-omap-h63xx.git] / net / ipv4 / tcp_veno.c

diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index 9edb340f2f95c6e003f5ff09f135425423881134..d16689e9851620a44944c397989004bc447411ef 100644 (file)
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -69,13 +69,16 @@ static void tcp_veno_init(struct sock *sk)
 }
 
 /* Do rtt sampling needed for Veno. */
-static void tcp_veno_pkts_acked(struct sock *sk, u32 cnt, ktime_t last)
+static void tcp_veno_pkts_acked(struct sock *sk, u32 cnt, s32 rtt_us)
 {
        struct veno *veno = inet_csk_ca(sk);
        u32 vrtt;
 
+       if (rtt_us < 0)
+               return;
+
        /* Never allow zero rtt or baseRTT */
-       vrtt = ktime_to_us(net_timedelta(last)) + 1;
+       vrtt = rtt_us + 1;
 
        /* Filter to find propagation delay: */
        if (vrtt < veno->basertt)
@@ -111,14 +114,13 @@ static void tcp_veno_cwnd_event(struct sock *sk, enum tcp_ca_event event)
                tcp_veno_init(sk);
 }
 
-static void tcp_veno_cong_avoid(struct sock *sk, u32 ack,
-                               u32 seq_rtt, u32 in_flight, int flag)
+static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 {
        struct tcp_sock *tp = tcp_sk(sk);
        struct veno *veno = inet_csk_ca(sk);
 
        if (!veno->doing_veno_now)
-               return tcp_reno_cong_avoid(sk, ack, seq_rtt, in_flight, flag);
+               return tcp_reno_cong_avoid(sk, ack, in_flight);
 
        /* limited by applications */
        if (!tcp_is_cwnd_limited(sk, in_flight))
@@ -129,7 +131,7 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack,
                /* We don't have enough rtt samples to do the Veno
                 * calculation, so we'll behave like Reno.
                 */
-               tcp_reno_cong_avoid(sk, ack, seq_rtt, in_flight, flag);
+               tcp_reno_cong_avoid(sk, ack, in_flight);
        } else {
                u32 rtt, target_cwnd;