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Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 40d893556e67..14672543cf0b 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -201,11 +201,10 @@ static int tcp_write_timeout(struct sock *sk)
if (retransmits_timed_out(sk, net->ipv4.sysctl_tcp_retries1, 0, 0)) {
/* Some middle-boxes may black-hole Fast Open _after_
* the handshake. Therefore we conservatively disable
- * Fast Open on this path on recurring timeouts with
- * few or zero bytes acked after Fast Open.
+ * Fast Open on this path on recurring timeouts after
+ * successful Fast Open.
*/
- if (tp->syn_data_acked &&
- tp->bytes_acked <= tp->rx_opt.mss_clamp) {
+ if (tp->syn_data_acked) {
tcp_fastopen_cache_set(sk, 0, NULL, true, 0);
if (icsk->icsk_retransmits == net->ipv4.sysctl_tcp_retries1)
NET_INC_STATS(sock_net(sk),
@@ -249,7 +248,8 @@ void tcp_delack_timer_handler(struct sock *sk)
sk_mem_reclaim_partial(sk);
- if (sk->sk_state == TCP_CLOSE || !(icsk->icsk_ack.pending & ICSK_ACK_TIMER))
+ if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) ||
+ !(icsk->icsk_ack.pending & ICSK_ACK_TIMER))
goto out;
if (time_after(icsk->icsk_ack.timeout, jiffies)) {
@@ -552,7 +552,8 @@ void tcp_write_timer_handler(struct sock *sk)
struct inet_connection_sock *icsk = inet_csk(sk);
int event;
- if (sk->sk_state == TCP_CLOSE || !icsk->icsk_pending)
+ if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) ||
+ !icsk->icsk_pending)
goto out;
if (time_after(icsk->icsk_timeout, jiffies)) {