tcp: add tcp_in_slow_start helper

[mirror_ubuntu-jammy-kernel.git] / net / ipv4 / tcp_cubic.c

diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index 06d3d665a9fd1bfda5688907a284de83697273f6..28011fb1f4a2104a34f81fc0c9fb4a4382bdadac 100644 (file)
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -320,7 +320,7 @@ static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked)
        if (!tcp_is_cwnd_limited(sk))
                return;
 
-       if (tp->snd_cwnd <= tp->snd_ssthresh) {
+       if (tcp_in_slow_start(tp)) {
                if (hystart && after(ack, ca->end_seq))
                        bictcp_hystart_reset(sk);
                acked = tcp_slow_start(tp, acked);
@@ -439,7 +439,7 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
                ca->delay_min = delay;
 
        /* hystart triggers when cwnd is larger than some threshold */
-       if (hystart && tp->snd_cwnd <= tp->snd_ssthresh &&
+       if (hystart && tcp_in_slow_start(tp) &&
            tp->snd_cwnd >= hystart_low_window)
                hystart_update(sk, delay);
 }