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-rw-r--r--include/net/tcp.h6
-rw-r--r--net/ipv4/tcp_output.c7
2 files changed, 7 insertions, 6 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 91688d0dadcd..7b1a720691ae 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -348,12 +348,14 @@ ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos,
struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, gfp_t gfp,
bool force_schedule);
-static inline void tcp_dec_quickack_mode(struct sock *sk,
- const unsigned int pkts)
+static inline void tcp_dec_quickack_mode(struct sock *sk)
{
struct inet_connection_sock *icsk = inet_csk(sk);
if (icsk->icsk_ack.quick) {
+ /* How many ACKs S/ACKing new data have we sent? */
+ const unsigned int pkts = inet_csk_ack_scheduled(sk) ? 1 : 0;
+
if (pkts >= icsk->icsk_ack.quick) {
icsk->icsk_ack.quick = 0;
/* Leaving quickack mode we deflate ATO. */
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ccfc8bbf7455..aa0fc8c766e5 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -177,8 +177,7 @@ static void tcp_event_data_sent(struct tcp_sock *tp,
}
/* Account for an ACK we sent. */
-static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts,
- u32 rcv_nxt)
+static inline void tcp_event_ack_sent(struct sock *sk, u32 rcv_nxt)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -192,7 +191,7 @@ static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts,
if (unlikely(rcv_nxt != tp->rcv_nxt))
return; /* Special ACK sent by DCTCP to reflect ECN */
- tcp_dec_quickack_mode(sk, pkts);
+ tcp_dec_quickack_mode(sk);
inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK);
}
@@ -1387,7 +1386,7 @@ static int __tcp_transmit_skb(struct sock *sk, struct sk_buff *skb,
sk, skb);
if (likely(tcb->tcp_flags & TCPHDR_ACK))
- tcp_event_ack_sent(sk, tcp_skb_pcount(skb), rcv_nxt);
+ tcp_event_ack_sent(sk, rcv_nxt);
if (skb->len != tcp_header_size) {
tcp_event_data_sent(tp, sk);