[MPTCP] [PATCH v2 0/7] mptcp: implement retransmit infrastructure

[Paolo Abeni <pabeni at redhat.com>]

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The retransmission infrastructure is now functionally completed, and I don't
observe anymore memleak/socket reference leak.

Still there are a few self-test failures I still have to investigate.
I *think* we could merge this series even with such failure pending, and fix
them later, _if_ there is agreement.

v1 -> v2
- rebased on top of "mptcp: remove token_release"
- handle unacked sequence update collision with a loop, as suggested by Mat

RFC v2 -> v1
- update msk una_seq in tcp_incoming_options() and drop old patch 3/8
- cleanup timer management
- cleanup dfrag management

Paolo Abeni (7):
  mptcp: move before/after64 into the header file
  mptcp: update per unacked sequence on pkt reception
  mptcp: queue data for mptcp level retransmission
  mptcp: introduce MPTCP retransmission timer
  mptcp: implement memory accounting for mptcp rtx queue
  mptcp: rework mptcp_sendmsg_frag to accept optional dfrag
  mptcp: implement and use MPTCP-level retransmission

 net/mptcp/options.c  |  47 ++++-
 net/mptcp/protocol.c | 396 +++++++++++++++++++++++++++++++++++++++----
 net/mptcp/protocol.h |  41 +++++
 3 files changed, 446 insertions(+), 38 deletions(-)

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2.21.0