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Message-Id: <20160622223500.816332523@linuxfoundation.org>
Date: Wed, 22 Jun 2016 15:40:37 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Yuchung Cheng <ycheng@...gle.com>,
Neal Cardwell <ncardwell@...gle.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.4 15/75] tcp: record TLP and ER timer stats in v6 stats
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Yuchung Cheng <ycheng@...gle.com>
[ Upstream commit ce3cf4ec0305919fc69a972f6c2b2efd35d36abc ]
The v6 tcp stats scan do not provide TLP and ER timer information
correctly like the v4 version . This patch fixes that.
Fixes: 6ba8a3b19e76 ("tcp: Tail loss probe (TLP)")
Fixes: eed530b6c676 ("tcp: early retransmit")
Signed-off-by: Yuchung Cheng <ycheng@...gle.com>
Signed-off-by: Neal Cardwell <ncardwell@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
net/ipv6/tcp_ipv6.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1706,7 +1706,9 @@ static void get_tcp6_sock(struct seq_fil
destp = ntohs(inet->inet_dport);
srcp = ntohs(inet->inet_sport);
- if (icsk->icsk_pending == ICSK_TIME_RETRANS) {
+ if (icsk->icsk_pending == ICSK_TIME_RETRANS ||
+ icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS ||
+ icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {
timer_active = 1;
timer_expires = icsk->icsk_timeout;
} else if (icsk->icsk_pending == ICSK_TIME_PROBE0) {
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