netdev - [PATCH net-next 0/7] mptcp: Add timestamp support

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Date:   Thu,  3 Jun 2021 16:24:26 -0700
From:   Mat Martineau <mathew.j.martineau@...ux.intel.com>
To:     netdev@...r.kernel.org
Cc:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        davem@...emloft.net, kuba@...nel.org, matthieu.baerts@...sares.net,
        fw@...len.de, mptcp@...ts.linux.dev
Subject: [PATCH net-next 0/7] mptcp: Add timestamp support

Enable the SO_TIMESTAMP and SO_TIMESTAMPING socket options for MPTCP
sockets and add receive path cmsg support for timestamps.

Patches 1, 2, and 5 expose existing sock and tcp helpers for timestamps
(no new EXPORT_SYMBOLS()s).

Patch 3 propagates timestamp options to subflows.

Patch 4 cleans up MPTCP handling of SOL_SOCKET options.

Patch 6 adds timestamp csmg data when receiving on sockets that have
been configured for timestamps.

Patch 7 adds self test coverage for timestamps.


Florian Westphal (7):
  sock: expose so_timestamp options for mptcp
  sock: expose so_timestamping options for mptcp
  mptcp: sockopt: propagate timestamp request to subflows
  mptcp: setsockopt: handle SOL_SOCKET in one place only
  tcp: export timestamp helpers for mptcp
  mptcp: receive path cmsg support
  selftests: mptcp_connect: add SO_TIMESTAMPNS cmsg support

 include/net/sock.h                            |   3 +
 include/net/tcp.h                             |   4 +
 net/core/sock.c                               |  97 +++++++-----
 net/ipv4/tcp.c                                |  10 +-
 net/mptcp/protocol.c                          |  28 +++-
 net/mptcp/sockopt.c                           | 149 ++++++++++--------
 .../selftests/net/mptcp/mptcp_connect.c       | 125 ++++++++++++++-
 .../selftests/net/mptcp/mptcp_sockopt.sh      |   4 +-
 8 files changed, 296 insertions(+), 124 deletions(-)


base-commit: 6a8dd8b2fa5b7cec4b13f5f5b2589d9abbac0fab
-- 
2.31.1