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Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index b54eed9b384c..faa92948441b 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -343,6 +343,7 @@ static void tcp_probe_timer(struct sock *sk)
if (tp->packets_out || !skb) {
icsk->icsk_probes_out = 0;
+ icsk->icsk_probes_tstamp = 0;
return;
}
@@ -354,13 +355,12 @@ static void tcp_probe_timer(struct sock *sk)
* corresponding system limit. We also implement similar policy when
* we use RTO to probe window in tcp_retransmit_timer().
*/
- if (icsk->icsk_user_timeout) {
- u32 elapsed = tcp_model_timeout(sk, icsk->icsk_probes_out,
- tcp_probe0_base(sk));
-
- if (elapsed >= icsk->icsk_user_timeout)
- goto abort;
- }
+ if (!icsk->icsk_probes_tstamp)
+ icsk->icsk_probes_tstamp = tcp_jiffies32;
+ else if (icsk->icsk_user_timeout &&
+ (s32)(tcp_jiffies32 - icsk->icsk_probes_tstamp) >=
+ msecs_to_jiffies(icsk->icsk_user_timeout))
+ goto abort;
max_probes = sock_net(sk)->ipv4.sysctl_tcp_retries2;
if (sock_flag(sk, SOCK_DEAD)) {