[PATCH v3 0/5] QRTR flow control improvements

[Bjorn Andersson <bjorn.andersson@linaro.org>]

In order to prevent overconsumption of resources on the remote side QRTR
implements a flow control mechanism.

Move the handling of the incoming confirm_rx to the receiving process to
ensure incoming flow is controlled. Then implement outgoing flow
control, using the recommended algorithm of counting outstanding
non-confirmed messages and blocking when hitting a limit. The last three
patches refactors the node assignment and port lookup, in order to
remove the worker in the receive path.

Bjorn Andersson (5):
  net: qrtr: Move resume-tx transmission to recvmsg
  net: qrtr: Implement outgoing flow control
  net: qrtr: Migrate node lookup tree to spinlock
  net: qrtr: Make qrtr_port_lookup() use RCU
  net: qrtr: Remove receive worker

 net/qrtr/qrtr.c | 314 +++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 242 insertions(+), 72 deletions(-)

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2.24.0