This is a rebase of the RFC, dropping old 5/5 and including a few somewhat
related bugfixes - all targeting net-next because the fixed commit is only
there or the buggy behavior can be triggered only enabling non backup subflows

Paolo Abeni (9):
  subflow: always init 'rel_write_seq'
  mptcp: avoid data corruption on reinsert
  mptcp: mark as fallback even early ones
  mptcp: zero token hash at creation time.
  mptcp: make msk established at remote key reception time
  mptcp: cleanup subflow_finish_connect()
  subflow: explicitly check for plain tcp rsk
  subflow: use rsk_ops->send_reset()
  subflow: introduce and use mptcp_can_accept_new_subflow()

 net/mptcp/options.c  |  4 +-
 net/mptcp/protocol.c | 20 +++++++---
 net/mptcp/protocol.h |  2 +
 net/mptcp/subflow.c  | 87 +++++++++++++++++++++++++-------------------
 net/mptcp/token.c    |  2 +-
 5 files changed, 69 insertions(+), 46 deletions(-)

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2.26.2