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Diffstat (limited to 'net/ipv4/tcp_recovery.c')
-rw-r--r--net/ipv4/tcp_recovery.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c
index d8acbd9f477a..fdac262e277b 100644
--- a/net/ipv4/tcp_recovery.c
+++ b/net/ipv4/tcp_recovery.c
@@ -45,8 +45,7 @@ static bool tcp_rack_sent_after(const struct skb_mstamp *t1,
* or tcp_time_to_recover()'s "Trick#1: the loss is proven" code path will
* make us enter the CA_Recovery state.
*/
-static void tcp_rack_detect_loss(struct sock *sk, const struct skb_mstamp *now,
- u32 *reo_timeout)
+static void tcp_rack_detect_loss(struct sock *sk, u32 *reo_timeout)
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *skb;
@@ -79,7 +78,7 @@ static void tcp_rack_detect_loss(struct sock *sk, const struct skb_mstamp *now,
* A packet is lost if its elapsed time is beyond
* the recent RTT plus the reordering window.
*/
- u32 elapsed = skb_mstamp_us_delta(now,
+ u32 elapsed = skb_mstamp_us_delta(&tp->tcp_mstamp,
&skb->skb_mstamp);
s32 remaining = tp->rack.rtt_us + reo_wnd - elapsed;
@@ -115,7 +114,7 @@ void tcp_rack_mark_lost(struct sock *sk, const struct skb_mstamp *now)
/* Reset the advanced flag to avoid unnecessary queue scanning */
tp->rack.advanced = 0;
- tcp_rack_detect_loss(sk, now, &timeout);
+ tcp_rack_detect_loss(sk, &timeout);
if (timeout) {
timeout = usecs_to_jiffies(timeout + TCP_REO_TIMEOUT_MIN);
inet_csk_reset_xmit_timer(sk, ICSK_TIME_REO_TIMEOUT,
@@ -165,12 +164,10 @@ void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq,
void tcp_rack_reo_timeout(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
- struct skb_mstamp now;
u32 timeout, prior_inflight;
- skb_mstamp_get(&now);
prior_inflight = tcp_packets_in_flight(tp);
- tcp_rack_detect_loss(sk, &now, &timeout);
+ tcp_rack_detect_loss(sk, &timeout);
if (prior_inflight != tcp_packets_in_flight(tp)) {
if (inet_csk(sk)->icsk_ca_state != TCP_CA_Recovery) {
tcp_enter_recovery(sk, false);