This covers the feedback from Florian on the RFC series, please see
the individual patches changelog for the details.

The only exception is: I'm retaining the MPTCP_SEND_SPACE bit, which looks
required as per ML discussion.

The MPTCP window code is now more conservative and I do not see out of window
errors.

Some self-tests cases are still failing - do not reach the expected aggregated
bwidth - but I've not investigated yet. multiple stream self-tests are not
enabled yet.

It would be great if we could starting merging this in the export branch,
and improve incrementally.

Paolo Abeni (13):
  mptcp: rethink 'is writable' conditional
  mptcp: set data_ready status bit in subflow_check_data_avail()
  mptcp: trigger msk processing even for OoO data
  mptcp: basic sndbuf autotuning
  mptcp: introduce and use mptcp_try_coalesce()
  mptcp: move ooo skbs into msk out of order queue.
  mptcp: cleanup mptcp_subflow_discard_data()
  mptcp: add OoO related mibs
  mptcp: move address attribute into mptcp_addr_info
  mptcp: allow creating non-backup subflows
  mptcp: allow picking different xmit subflows
  mptcp: simult flow self-tests
  mptcp: cache subflow write status in subflow ctx

 net/mptcp/mib.c                               |   5 +
 net/mptcp/mib.h                               |   5 +
 net/mptcp/pm_netlink.c                        |  38 +-
 net/mptcp/protocol.c                          | 518 ++++++++++++++----
 net/mptcp/protocol.h                          |  22 +-
 net/mptcp/subflow.c                           |  93 ++--
 .../selftests/net/mptcp/simult_flows.sh       | 290 ++++++++++
 7 files changed, 791 insertions(+), 180 deletions(-)
 create mode 100755 tools/testing/selftests/net/mptcp/simult_flows.sh

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2.26.2