tcp: record TLP and ER timer stats in v6 stats
authorYuchung Cheng <ycheng@google.com>
Mon, 6 Jun 2016 22:07:18 +0000 (15:07 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 8 Jun 2016 00:12:22 +0000 (17:12 -0700)
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@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/tcp_ipv6.c

index 79e33e02f11accfd5a6c8cf2751df0a8793ab016..f36c2d076fce0df30d202d7683a67e3614d77fe9 100644 (file)
@@ -1721,7 +1721,9 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
        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) {