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| author | Yousuk Seung <ysseung@google.com> | 2020-03-09 13:16:40 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-09 17:56:33 -0700 |
| commit | e08ab0b377a1489760533424437c5f4be7f484a4 (patch) | |
| tree | 1094b050222d950e2d2dc8898460010ea6a424aa /include/uapi/linux/tcp.h | |
| parent | 34a568a244bef287de2ff9a30c2ed369fb64dbfd (diff) | |
| download | lwn-e08ab0b377a1489760533424437c5f4be7f484a4.tar.gz lwn-e08ab0b377a1489760533424437c5f4be7f484a4.zip | |
tcp: add bytes not sent to SCM_TIMESTAMPING_OPT_STATS
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>
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 1a7fc856e237..f2acb2566333 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -312,6 +312,7 @@ enum { TCP_NLA_REORD_SEEN, /* reordering events seen */ TCP_NLA_SRTT, /* smoothed RTT in usecs */ TCP_NLA_TIMEOUT_REHASH, /* Timeout-triggered rehash attempts */ + TCP_NLA_BYTES_NOTSENT, /* Bytes in write queue not yet sent */ }; /* for TCP_MD5SIG socket option */ |