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Consolidate the list of msdu skbs into the msdu-head skb, delete the
rest of the skbs, pass the msdu-head skb on up the stack as normal.
Tested with high-speed TCP and UDP traffic on modified firmware that
supports raw-rx.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It doesn't make much sense to calculate the ring
size fill count because it already is memoized in
a separate variable.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It is inefficient to grab irqsave spinlocks for
skb lists for each queue/dequeue action.
Using rx_ring.lock and tx_lock allows to use less
heavy bh spinlock functions and moving locking
upwards allows to toggle spinlocks less often.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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HTT Rx endpoint processes both frame rx
indications and frame tx completion indications.
Those completions typically come in batches and
may be mixed so it makes sense to defer processing
hoping to get a bunch of them and take advantage
of hot caches.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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After we pass frames with INV_PEER to upper layer in commit 716ae53c56cf
("ath10k: pass frames with invalid peer status to upper layer") we could pass
some management frames (in case INVALID_PEER and MGMT_CTRL) twice to upper
layer, once via WMI and once via HTT. Next we could handle assoc request twice.
This patch remove such regression.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Retrieve the mactime of ieee80211_rx_status based on received
data frame. The value is obtained from the htt_rx_indication_ppdu
structure and only available in 32-bit.
kvalo: white space fixes
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The nwifi header is padded to 4 bytes. This wasn't
a problem until one tried to (at least) rx 4addr
frames.
This finally allows managed iface to be used in a
bridge.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Pass frames with invalid peer status to upper layer.
Next mac80211 will validate frames and drop if required.
This is required to detect spurious frames and pass
this info to user mode (detect CLASS2 CLASS3 frames from
nonauthenticated/nonassociated stations).
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This throw a lot of pointless warnings in case of DFS (radar
detection) and PHYERR events from firmware, when firmware may
actually insert more data, than we assume.
Besides of being noisy this debug does not protect or check
anything usefull currently. It was introduced long time ago
while debugging aggregations. So just removing it.
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Make it easier to grep for htt rx errors.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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We should check MIC error flag base on
rx_attention, to have consistent status
of MIC failure and FCS error.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Configure interface combination for AP running on channels
where radar detection is required. It allows only one type
of interface - AP on DFS channel and limits number of AP
interfaces to 8. Setup WMI channel flags accordingly to mac
channel configuration. CAC based on additional monitor vdev
is started if required for current channel.
kvalo: dropped ATH10K_DFS_CERTIFIED config option as this
the DFS still depends on few mac80211 and cfg80211 patches
which are on mac80211-next.git right now. The config option
will be added later once all dependencies are available.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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With commit 0cfcefef1 ("mac80211: support reporting A-MSDU subframes
individually") there's no need to have the hack to clear the retry bit in
ath10k_htt_rx_amsdu(), mac80211 can handle this properly now.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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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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