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This starves FW RX ring buffer in case of
excessive RX. This prevents from CPU being
overwhelmed by RX indications/completions by
naturally forbiddin FW to submit more RX.
This fixes RX starvation on slow machines when
under heavy RX traffic.
kvalo: remove extra newline
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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NWifi decap mode always reports 802.11 Data
Frames, even when QoS Data Frames are actually
received.
This made mac80211 not report frame priority
properly (since there was no QoS Control field).
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Simplify decapping code and make it easier to
understand.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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HW reports each A-MSDU subframe as a separate
sk_buff. It is impossible to configure it to
behave differently.
Until now ath10k was reconstructing A-MSDUs from
subframes which involved a lot of memory
operations. This proved to be a significant
contributor to degraded RX performance.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Until now the all MSDU transfer related structures
were freed when all resources were unreferenced.
Now HTC transfer is freed independently and HTT
transfer is so too.
This yields a way more simpler ath10k_skb_cb and
should possibly enable parallel pipe processing
(which is now serialized in
ath10k_pci_process_ce routine).
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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To unify the boot debug level.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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For analysing various data path statistics in user space.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This enables driver to rx another decapped a-msdu
frames. It should possibly help with throughputs
in some cases and reduce (or eliminate) number of
messages like this:
ath10k: error processing msdus -524
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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HW supports L3/L4 rx checksum offloading.
This should reduce CPU load and improve
performance on slow host machines.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This reduces number of allocations and simplifies
memory managemnt.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Here's a new mac80211 driver for Qualcomm Atheros 802.11ac QCA98xx devices.
A major difference from ath9k is that there's now a firmware and
that's why we had to implement a new driver.
The wiki page for the driver is:
http://wireless.kernel.org/en/users/Drivers/ath10k
The driver has had many authors, they are listed here alphabetically:
Bartosz Markowski <bartosz.markowski@tieto.com>
Janusz Dziedzic <janusz.dziedzic@tieto.com>
Kalle Valo <kvalo@qca.qualcomm.com>
Marek Kwaczynski <marek.kwaczynski@tieto.com>
Marek Puzyniak <marek.puzyniak@tieto.com>
Michal Kazior <michal.kazior@tieto.com>
Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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