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

[Paolo Abeni <pabeni at redhat.com>]

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This is the first submission aming at git repo inclusion. It includes several
clean-ups, and covers feedback from Mat about una_seq updates and 32 bit
expansion.

In my testbet it survived a good number of self-tests iteration, but I can't
exclude more bugs are pending.

Please see the individual patches for the detailed changelog

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  |  40 ++++-
 net/mptcp/protocol.c | 395 +++++++++++++++++++++++++++++++++++++++----
 net/mptcp/protocol.h |  41 +++++
 3 files changed, 439 insertions(+), 37 deletions(-)

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2.21.0