netdev - [PATCH v2 net-next 0/2] Add software rx timestamp for TCP.

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Date:   Tue, 22 Aug 2017 17:08:47 -0400
From:   Mike Maloney <maloneykernel@...il.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     willemdebruijn.kernel@...il.com, soheil@...gle.com,
        Mike Maloney <maloney@...gle.com>
Subject: [PATCH v2 net-next 0/2] Add software rx timestamp for TCP.

From: Mike Maloney <maloney@...gle.com>

Add software rx timestamps for TCP, and a test to ensure consistency of
behavior between IP, UDP, and TCP implementation.

Changes since v1:
  -Initialize tss->ts[1] to 0 if caller requested any timestamps.
  -Fix test case to validate that tss->ts[1] is zero.
  -Fix tests to actually use a raw socket.
  -Fix --tcp flag to work on the test.

Mike Maloney (2):
  tcp: Extend SOF_TIMESTAMPING_RX_SOFTWARE to TCP recvmsg
  selftests/net: Add a test to validate behavior of rx timestamps

 include/net/tcp.h                                  |   9 +-
 net/ipv4/tcp.c                                     |  65 ++++
 net/ipv4/tcp_input.c                               |  35 +-
 net/ipv4/tcp_ipv4.c                                |   2 +
 net/ipv6/tcp_ipv6.c                                |   2 +
 .../selftests/networking/timestamping/.gitignore   |   1 +
 .../selftests/networking/timestamping/Makefile     |   4 +-
 .../networking/timestamping/rxtimestamp.c          | 389 +++++++++++++++++++++
 8 files changed, 501 insertions(+), 6 deletions(-)
 create mode 100644 tools/testing/selftests/networking/timestamping/rxtimestamp.c

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2.14.1.480.gb18f417b89-goog