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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: "David S. Miller" <davem@davemloft.net>
Cc: Arun Kumar Neelakantam <aneela@codeaurora.org>,
	Chris Lew <clew@codeaurora.org>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org
Subject: [PATCH v2 0/5] QRTR flow control improvements
Date: Thu, 30 May 2019 18:17:48 -0700	[thread overview]
Message-ID: <20190531011753.11840-1-bjorn.andersson@linaro.org> (raw)

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 | 308 +++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 239 insertions(+), 69 deletions(-)

-- 
2.18.0


             reply	other threads:[~2019-05-31  1:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31  1:17 Bjorn Andersson [this message]
2019-05-31  1:17 ` [PATCH v2 1/5] net: qrtr: Move resume-tx transmission to recvmsg Bjorn Andersson
2019-05-31  1:17 ` [PATCH v2 2/5] net: qrtr: Implement outgoing flow control Bjorn Andersson
2019-05-31 21:46   ` David Miller
2019-05-31  1:17 ` [PATCH v2 3/5] net: qrtr: Migrate node lookup tree to spinlock Bjorn Andersson
2019-05-31  1:17 ` [PATCH v2 4/5] net: qrtr: Make qrtr_port_lookup() use RCU Bjorn Andersson
2019-05-31  1:17 ` [PATCH v2 5/5] net: qrtr: Remove receive worker Bjorn Andersson

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