tcp: add bytes not sent to SCM_TIMESTAMPING_OPT_STATS

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Add TCP_NLA_BYTES_NOTSENT to SCM_TIMESTAMPING_OPT_STATS that reports
bytes in the write queue but not sent. This is the same metric as
what is exported with tcp_info.tcpi_notsent_bytes.

Signed-off-by: Yousuk Seung <ysseung@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Yousuk Seung 2020-03-09 13:16:40 -07:00 • committed by David S. Miller

parent 34a568a244

commit e08ab0b377

2 changed files with 4 additions and 0 deletions

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1

include/uapi/linux/tcp.h

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3

net/ipv4/tcp.c

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