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tcp: add ca_state stat in SCM_TIMESTAMPING_OPT_STATS

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This patch adds TCP_NLA_CA_STATE stat into SCM_TIMESTAMPING_OPT_STATS.
It reports ca_state of socket, when timestamp is generated.

Signed-off-by: Priyaranjan Jha <priyarjha@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Priyaranjan Jha 2018-03-04 10:38:36 -08:00 • committed by David S. Miller
parent 87ecc95d81
commit be63189294
2 changed files with 3 additions and 1 deletions
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1
include/uapi/linux/tcp.h
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@ -242,6 +242,7 @@ enum {
TCP_NLA_RECUR_RETRANS, /* Recurring retransmits for the current pkt */
TCP_NLA_DELIVERY_RATE_APP_LMT, /* delivery rate application limited ? */
TCP_NLA_SNDQ_SIZE, /* Data (bytes) pending in send queue */
TCP_NLA_CA_STATE, /* ca_state of socket */
};