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Make NF load complete quickly and reliably. NF load execution
is delayed by HW to end of frame if frame Rx or Tx is ongoing.
Increasing timeout to max frame duration. If NF cal is ongoing
before NF load, stop it before load, and restart it afterwards.
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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First check for the device state before enabling / disabling
btcoex, also return a proper error value. Enabling / disabling
btcoex ideally does a f/w + ath10k_core_restart so the checks
that are applicable for 'simulate_fw_crash' shall be applicable
for this as well
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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To enable per peer stats feature we are reducing the number of peers.
Firmware has introduced tx stats feature. We have memory limitation in
firmware to add these additional bytes.
These are the new variables introduced in the firmware.
======== =======================
Variable Bytes required/per rate
======== =======================
TX success packets 1
TX failed packets 1
Retry packets 1
Success bytes 2
TX failed bytes 2
Retry bytes 2
Tx duration 4
Rate 1
Bw and AMPDU flags 1
Total 16 (because of allocation in word pattern)
Firmware sends these tx_stats in pktlog.
If we consider 4 feedbacks at a time, Frimware need about ~1K memory for coding
and 8192 bytes required / per rate [ 4*16*128(peers)].
To accommodate this firmware needs to reduce 10 peers.
This fixes a firmware crash with firmware-5.bin_10.2.4.70.22-2.
Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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On multicore systems, it is possible that txrx tasket can run
in parallel with pci tasklet (i.e smp affinity of ath10k irq is
assigned to multiple CPUs). Feeding and consuming from the same
rx completion list leads to txrx tasklet runs for longer period.
Prevent this by processing a snapshot of rx queue by moving list
into temporary list. Consecutive received frames will be processed
in next batch.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Received frame indications are queued into a skb list and latest
processed by txrx tasklet. This skb queue is protected by htt rx lock.
Since the entire rx processing till delivering frame to mac80211 and
replenish tasks are processed under rx_lock protection, there might be
some delay in queuing newly received rx frame into that list on
multicore systems. Optimize this by using skb list lock while accessing
rx completion queue instead of htt rx lock.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The ath10k_pci_hif_exchange_bmi_msg() function may return the positive
value EIO instead of -EIO in case of error.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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pktlog data is different between firmware variants (eg. 10.2 vs 10.4). To
have a unified user space script to decode pktlog trace events generated,
it is desirable to know which firmware variant has provided the events and
thereby decode the pktlogs appropriately. Hardware revision (hw_rev) helps
to determine the firmware variant sending these trace events. So add hw_rev
to trace events.
Signed-off-by: Ashok Raj Nagarajan <arnagara@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Currently, we are providing wrong payload data of pktlog to trace points.
Data we receive from FW through copy engine 8 contains pktlog data alone.
We don't need to parse anything in driver before handing it to trace
points.
Fixes: afb0bf7f530b ("ath10k: add support for pktlog in QCA99X0")
Signed-off-by: Ashok Raj Nagarajan <arnagara@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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We periodically receive f/w stats event for updating
the rx duration and there is no reason to keep on appending
the f/w stats peer list, as this gets completely cleaned up when
the user polls for f/w stats {pdev, vdev, peer stats}. Only don't
print the warning message in the case PEER_STATS service is enabled
Fixes: 856e7c3 ("ath10k: add debugfs support for Per STA total rx duration")
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Add a wrapper function to allow stopping SW queues from MVM
as well.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If d0i3 is supported, we have released the initial transport reference
in iwl_op_mode_mvm_start(), so we should take it back in
iwl_op_mode_mvm_stop() to keep it balanced.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Add module parameter that disables VHT capabilities.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If d0i3 is not supported by the firmware (or if it's disabled via
module parameters) we shouldn't release the initial transport
reference, so that we won't enter runtime suspend.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Do not allow entrance into DQA flows until feature is
completely ready and merged.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In 9000 series A0 step the closed_rb_num is not wrapping around
properly. The queue is wrapping around as it should, so we can
W/A it by wrapping the closed_rb_num in the driver.
While at it, extend RX logging and add error handling of other
cases HW values may cause us to access invalid memory locations.
Add also a proper masking of vid value read from HW - this should
not have actual affect, but better to be on the safe side.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Leaving ucode_loaded to true after stop_device() has been called
is a recipe for problems. Flows that are not sync'ed with the
driver life cycle (like debugfs hooks and thermal hooks) must
check that the firmware is loaded before they interact with it.
Therefore we need to keep this variable updated with the real
status of the firmware.
Signed-off-by: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Johannes Berg says:
====================
Here's another round of updates for -next:
* big A-MSDU RX performance improvement (avoid linearize of paged RX)
* rfkill changes: cleanups, documentation, platform properties
* basic PBSS support in cfg80211
* MU-MIMO action frame processing support
* BlockAck reordering & duplicate detection offload support
* various cleanups & little fixes
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Till today, the ucode consisted of two d0 images - regular,
in which the usniffer wasn't enabled, and usniffer, in which the
usniffer logs were enabled.
Lately, the two images were unified, so there is only one d0 image,
in which the usniffer logs are enabled.
Add new TLV capability for supporting the consolidated images
(set 2, bit 13).
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Currently when entering D3 with WOWLAN configured, we enable in the
configuration flags beacon storing, and do not disable beacon
filtering, and do not wake up from a magic packet.
Having both enabled is wrong (should not have both enabled),
and causes problems in the RX queues in the FW, causing
the FW not to recognize the magic packet when it comes.
Disable beacon storing in wowlan configuration.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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iwl_mvm_enable_agg_txq has only one user. Kill it and
adapt the call site.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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To ensure that the SNAP/TCP/IP headers are DW aligned, the firmware
may add 2-byte pad at the end of the mac header - after the IV, before
the SNAP.
In that case the mpdu descriptor pad bit will be turned on.
Driver should take it into consideration, and remove the padding before
passing the packet to mac80211. Do that.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Beacon abort (ba) is set while sending power command, but only
after at least one beacon_filter command was successfully sent.
If we heard a beacon before starting association, this order
is maintained and ba is properly set.
However, if the first beacon is received after association,
we send the power command upon association, configure the
beacon filtering when the first beacon arrives, and in that case,
beacon abort is not set.
So identify this, and send a power command post the beacon_filter
command if needed.
Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Older versions of the firmware don't support U-APSD for
P2P Client. Forbid U-APSD for P2P Client when an old
firmware is being used.
Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Allow to publish RRM capabilities without the need to support a minimal
capability set. Since some RRM features(e.g. neighbor report) are fw
independent, set this capability unconditionally.
Signed-off-by: Beni Lev <beni.lev@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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* Remove uneeded includes:
iwl-csr.h and devcoredump aren't used in mac80211.c.
* Remove uneeded empty line
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When the device is in d0i3/d3 we will not receive the VHT
MU-MIMO group id management frame. Instead, firmware will
notify us upon exit on the current status and we can in turn
update mac80211. Support this notification.
While at it, also check as a precaution that the vif is indeed
the VHT MU-MIMO owner before updating the firmware.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Commit 69c7fda40921c125eeeef6a827f6270ac6aa1baa removed the
users of iwl_mvm_tid_data.reduced_tpc. Due to a conflict,
I forgot to commit the hunk that removed the field itself.
Do this know.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In multi rx queue HW, without execessive locking, there is no sync
between the ctrl path (default queue) and the rest of the rx queues.
This might cause issues on certain situations. For example, in case
a delBA was processed on a default queue but out of order packets
still wait for processing on the other queue.
The solution is to introduce internal messaging between the CTRL path
and the other rx queues.
The driver will send a message to the firmware, which will echo it to
all the requested queues. The message will be in order inside the queue.
This way we can avoid CTRL path and RSS queues races.
Add support for this messaging mechanism. As the firmware is agnostic to
the data sent, add internal representation of the data as well.
Although currently only delBA flow will use it, the internal representation
will enable generic use of this infrastructure for future uses.
Next patch will utilize this messaging mechanism for the reorder buffer
delBA flow.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Next hardware will direct TCP/UDP streams to different cores.
Packets belonging to the same stream will be directed to the same
core.
The result is that duplicates will be always directed to the same
rx queue were the first packet was received.
This enabled parallelizing the duplicate packet detection across
the different cores, without sharing data between the rx queues.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The patch below introduced a variable shadowing. Fix that.
Fixes: 3955525d5d17 ("iwlwifi: pcie: buffer packets to avoid overflowing Tx queues")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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With these ops, we can know when we are about to enter system suspend.
This allows us to exit D0i3 state before entering suspend.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Fine tune RFH registers further:
* Set default queue explicitly
* Set RFH to drop frames exceeding RB size
* Set the maximum rx transfer size to DRAM to 128 instead of 64
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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During d0i3 frames might be filtered by the FW and this may
cause reordering buffer a delay - as the frames will not be
received and reorder will time out.
Introduce an API function to receive notification of filtered
frames and pass the information to the mac80211.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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When forming IBSS, mac80211 scans in order to find an already
existing cell to join.
In case the scan does not find any existing cell a new IBSS
cell is formed.
When receiving the beacons of another IBSS cell we should
merge if the other IBSS cell's TSF is higher than ours.
However, currently iwlmvm does not set any timestamp flag in
rx_status so there is no valid rx timestamp to compare the
beacon's TSF to.
The reason for that is that TSF as indicated by the firmware
is at INA time, but up till now mac80211 expected the TSF at
the beginning or end of the MPDU.
Set the flag to the newly added RX_FLAG_MACTIME_PLCP_START flag.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Current iwlwifi_trace_dev_rx prints only the cmd without the
group, which might be misleading. Change it to print the wide
id. While at it add the DATA_PATH group and sub commands to the
trace of the command names, sine it is missing due to patches
submitted in parallel.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The A-MSDU must be smaller than the Transmit FIFO in the
device. Since the size of the TXF can change depending
on the device / firmware compilation mode, take the size
of the FIFO dynamically from the what the firmware tells us.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Allow A-MSDU only when we are not downscaling and the
initial MCS is at least 5.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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in order to be able to tune the size of the desired A-MSDU
based on link condition, add a knob to modify the length
of the A-MSDU.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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If the peer allows, we can have A-MSDU inside A-MDPU.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Now that PCIe knows how to create A-MSDUs, use this
capability and prepare SKBs that are large enough to
build an A-MSDU.
Advertise TSO support towards the network stack and
segment the packet with gso_size set to be the maximal
A-MSDU length (after having taken the headers to be added
into account) to make sure that the skb that is passed
down to the transport are not longer than the maximal
A-MSDU allowed.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The firmware handles the VHT MU-MIMO group data on its own.
However, on HW restart (and future sniffer mode) the driver
shall update the firmware on the VHT MU-MIMO group membership
status.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Incoming hardware will support VHT MU-MIMO. Declare this
capability for relevant hardware.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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A curly brace was misplaced, fix this.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Working with MSIX requires prior configuration.
This includes requesting interrupt vectors from the OS,
registering the vectors and mapping the optional causes to the
relevant interrupt. In addition add new interrupt handler
to handle MSIX interrupt.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Instead of waking up the device each time we write a
register, wake it up once, and writes the registers
at once.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The driver is now ready to handle this firmware.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Klocwork is unhappy as ht_vht_rates might be accessed with
rate->index being set to values between 0 and 3 which will
lead to accessing uninitialized array elements. Effectively this
doesn't happen as in HT/VHT we're not using these rate indices.
Still fix this.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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The firmware doesn't send match found notifications when no matchsets
are passed. This makes sense because if there are no matchsets,
nothing can be matched. But the nl80211 API should report when there
are results available, even if no matchsets were passed.
To handle this, we can use the firmware's ITERATION_COMPLETE
reporting, which will send us notifications every time it completed a
scheduled scan iteration. Then we can set a flag when we received
beacons and use that to report that results are available.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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These are a few fixes for the current cycle.
3 out of the 5 patches fix a bugzilla.
* fix a race that users reported when we try to load the firmware
and the hardware rfkill interrupt triggers at the same time.
* Luca fixes a very visible bug in scheduled scan: our firmware
doesn't support scheduled scan with no profile configured and
the supplicant sometimes requests such scheduled scans.
* build system fix
* firmware name update for 8265
* typo fix in return value
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Miaoqing Pan
Mohammed Shafi Shajakhan
Anilkumar Kolli
Rajkumar Manoharan
Anton Protopopov
Ashok Raj Nagarajan
Emmanuel Grumbach
Liad Kaufman
Luca Coelho
Andrei Otcheretianski
Sara Sharon
Chaya Rachel Ivgi
David S. Miller
Golan Ben-Ami
Matti Gottlieb
Avri Altman
Beni Lev
Haim Dreyfuss
Eyal Shapira