[PATCH mptcp-next 0/8] add cmsg support to receive path

[Florian Westphal <fw@strlen.de>]

This adds setsockopt support for busypoll + and the various
SO_TIMESTAMP variants.

To reduce copy&paste, a few helper functions get exported for
mptcp sake.

Last patch extends the existing setsockopt test case to also
cover/enable SO_TIMESTAMP.

Florian Westphal (8):
  mptcp: enable busypoll from mptcp receive path
  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                          |  35 ++++-
 net/mptcp/sockopt.c                           | 145 ++++++++++--------
 .../selftests/net/mptcp/mptcp_connect.c       | 125 ++++++++++++++-
 .../selftests/net/mptcp/mptcp_sockopt.sh      |   4 +-
 8 files changed, 303 insertions(+), 120 deletions(-)

-- 
2.26.3