diff options
| author |   Yousuk Seung <ysseung@google.com> | 2018-11-15 16:44:12 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-11-17 20:34:36 -0800 |
| commit | e8bd8fca6773ef49390269bd467bf940a0841ccf (patch) | |
| tree | 8dec28ff16f6d6829de8aff8f60276ff2afd3247 /include | |
| parent | uapi/ethtool: fix spelling errors (diff) | |
| download | linux-dev-e8bd8fca6773ef49390269bd467bf940a0841ccf.tar.xz linux-dev-e8bd8fca6773ef49390269bd467bf940a0841ccf.zip | |
tcp: add SRTT to SCM_TIMESTAMPING_OPT_STATS
Add TCP_NLA_SRTT to SCM_TIMESTAMPING_OPT_STATS that reports the smoothed
round trip time in microseconds (tcp_sock.srtt_us >> 3).
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: Neal Cardwell <ncardwell@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -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 e02d31986ff9..8bb6cc5f3235 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -266,6 +266,7 @@ enum { TCP_NLA_BYTES_RETRANS, /* Data bytes retransmitted */ TCP_NLA_DSACK_DUPS, /* DSACK blocks received */ TCP_NLA_REORD_SEEN, /* reordering events seen */ + TCP_NLA_SRTT, /* smoothed RTT in usecs */ }; /* for TCP_MD5SIG socket option */ |