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I rarely see drivers specify precise voltage requirements like this, but
if we really have to...let's at least give a little wiggle room. Board
designs (and accompanying device trees) may not provide exactly the
voltage listed here, and we shouldn't fail to probe just because of
this.
Round these ranges down to the nearest volt, and provide a 0.05V margin.
The regulator should provide its own supported ranges, which will
helpfully intersect with these ranges.
I would just as well remove these ranges entirely, but if I understand
correctly, there's some reason that QCOM SoC's like to set zero /
non-zero voltages.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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If a regulator fails to set its voltage, we end up with an unbalanced
call to regulator_disable(), because the error path starts with the
current regulator (which was never enabled).
Factor out the "on" function to perform (and unwind if failed) a single
regulator at a time, and then main loop (ath10k_snoc_vreg_on()) can just
worry about unwinding the regulators that were already enabled.
It also helps to factor out the "off" function, to avoid repeating some
code here.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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ath10k_wcn3990_clk_info and ath10k_wcn3990_vreg_info are not
WCN3990-specific structures. They hold generic data. So don't name them
with wcn3990 specifics.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Switch from spin_lock to spin_lock_irqsave, because
wmi_ev_lock is used inside interrupt handler.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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After being associated with some EDMA rx traffic, upon "down" driver
doesn't free all skbs in the rx ring.
Modify wil_move_all_rx_buff_to_free_list to loop on active list of rx
buffers, unmap the physical memory and free the skb.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Rx buffers in EDMA mode are initialized to 4 bytes aligned size.
Remove the unnecessary alignment code applied on rx buffer size.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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RGF_CAF_ICR register location has changed in Talyn-MB.
Add RGF_CAF_ICR_TALYN_MB to support the new address.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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L2 RX status errors should not be treated as a bitmap and the actual
error values should be checked.
Print L2 errors as wil_err_ratelimited for easier debugging
when such errors occurs.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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All wil6210 device memory access should be 4 bytes aligned. In io
blob wil6210 did not force alignment for read function, this caused
alignment fault on some platforms.
Fixing that by accessing all 4 lower bytes and return to host the
requested data.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Initialize unset variable, and verify that mid is valid.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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wil6210 used to notify cfg80211_del_sta on every fw disconnect event.
In disable_ap_sme mode the userspace manages the protocol SME and
FW sends disconnect event only due to link loss.
In disable_ap_sme mode, indicate CQM packet loss to let the host
control the connection and disconnect the link if needed.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Separate sending command to the fw from the event handling function to
simplify the disconnect flow and track the from_event flag correctly.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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A successful call to wil_tx_ring takes skb reference so
it will only be freed in wil_tx_complete. Consume the skb
in wil_find_tx_bcast_2 to prevent memory leak.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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AP configuration is stored by the driver. Upon FW error, disconnect
notification is sent to user space for any associated stations. AP is
then internally restarted with the stored configuration.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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When enlarging rx_ring_order module param, wil6210 fails to load
because there are not enough Rx buffers.
Fix this by enlarging number of Rx buffers at startup, if needed based
on rx_ring_order.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In Talyn-MB, the 11ad throughput is higher and performance drops
may occur in the current RX configuration due to unavailability
of Rx buffers.
Increase the RX descriptor ring, RX status ring and number of RX
buffers to stabilize the performance in high throughput.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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With current reset flow, Talyn sometimes get stuck causing PCIe
enumeration to fail. Fix this by removing some reset flow operations
that are not relevant for Talyn.
Setting bit 15 in RGF_HP_CTRL is WBE specific and is not in use for
all wil6210 devices.
For Sparrow, BIT_HPAL_PERST_FROM_PAD and BIT_CAR_PERST_RST were set
as a WA an HW issue.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Setting the same fake hash to all skbs prevents
distributing different flows to different CPU cores.
Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1056534 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 201383 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Steve deRosier <derosier@cal-sierra.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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new_flags is not used after setting its value. It is safe to remove
the unused variable.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1056532 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1056532 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1056532 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/ath/ath10k/wmi-tlv.c: In function 'ath10k_wmi_tlv_op_gen_config_pno_start':
drivers/net/wireless/ath/ath10k/wmi-tlv.c:3455:6: warning:
variable 'tlv_len' set but not used [-Wunused-but-set-variable]
It never used since inroduction in commit
ce834e280f2f ("ath10k: support NET_DETECT WoWLAN feature")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Trivial fix to some spelling mistakes in ath10k_err and ath10k_dbg
messages:
"capablity" -> "capability"
"registed" -> "registered"
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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I had a couple concerns with this code. First, we definitely need to
set the error code if the kzalloc() fails. Secondly, I was worried that
if we didn't set "arsta->tx_stats" to NULL after freeing it, then it
looks to me like it might lead to a use after free. I can't test that,
but it's harmless to set it to NULL so I did.
Fixes: a904417fc876 ("ath10k: add extended per sta tx statistics support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The host driver currently expects the channel info event to be
received in pairs for all the channels, i.e. the first
chan_info event for a particular channel will not have the
COMPLETE flag set and the second chan_info event for the
same channel will have the COMPLETE flag set.
The HL2.0 firmware sends only one channel info event per channel
which is scanned without the COMPLETE flag set. After sending the
chan_info_event for all the channels, the HL2.0 firmware sends a
chan_info_event with COMPLETE flag set to indicate the completion
of the channel info event.
The firmware does not indicate this behavior with any service bitmap
and hence a new firmware feature flag is used to handle the modified
parsing of the channel info events, in the host driver, for the
firmware which sends single channel info event per scanned channel.
Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1
Co-developed-by: Surabhi Vishnoi <svishnoi@codeaurora.org>
Signed-off-by: Surabhi Vishnoi <svishnoi@codeaurora.org>
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The return value from devm_memremap() is not checked correctly.
The test is done against a wrong variable. This patch fix it.
Fixes: ba94c753ccb4 ("ath10k: add QMI message handshake for wcn3990 client")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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ar->target_version is same for QCA99x0, QCA4019, QCA9888
and QCA9984, this ended up in assigning the wrong hw_mem_layouts.
This patch adds additional hw_rev check to assign correct
hw_mem_layouts.
Tested on:
QCA4019 firmware 10.4-3.2.1.1-00017
QCA9984 firmware 10.4-3.5.3-00057
Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This patch adds firmware crash memory dump support for QCA4019.
Tested on:
QCA4019 firmware 10.4-3.2.1.1-00017
Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This patch adds the tx statistics pkts/bytes dump
in rate table format.
Dump format table is similar to http://mcsindex.com/
Tested on QCA9984/QCA4019/QCA988x
Firmware: 10.4-3.5.3-00057
10.2.4-1.0-00037
command:
cat /sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/
stations/<MACADDR>/tx_stats
Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Whenever the WCN3990 firmware becomes unavailable,
the host driver receives a FW down indication, post
which all the direct hardware register access should
be avoided, in order to prevent improper behavior in
the host driver.
Set the crash_flush flag when the host driver receives
a FW_DOWN_IND via qmi, in order to stop the untimely
hardware register access. Also handle the case, where
we need to do core register only for the first FW_READY
indication, which is when we initialize the host driver.
All the subsequent FW_READY indication will be received
in subsystem recovery case and we only need to do the
restart work. The state of driver is maintained using
flags to distinguish between first and subsequent FW_READY
indication received.
Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1
Signed-off-by: Surabhi Vishnoi <svishnoi@codeaurora.org>
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add WCN3990 QMI client handshakes for Q6 integrated WLAN connectivity
subsystem. This layer is responsible for communicating qmi control
messages to wifi fw QMI service using QMI messaging protocol.
Qualcomm MSM Interface(QMI) is a messaging format used to communicate
between components running between remote processors with underlying
transport layer based on integrated chipset(shared memory) or
discrete chipset(PCI/USB/SDIO/UART).
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add debug mask to control debug info of ath10k qmi
messaging layer.
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add WLAN related VMID's to support wlan driver to set up
the remote's permissions call via TrustZone.
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add device tree binding documentation details of msa
memory region for ath10k qmi client for SDM845/APQ8098
SoC into "qcom,ath10k.txt".
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add support to create the boardname for non-bmi targets
like WCN3990, which uses qmi for bdf download. This
boardname is used to parse the board data from board-2.bin.
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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WLAN qmi server running in Q6 exposes host to target
cold boot qmi handshakes. Add WLAN QMI service helpers
for ath10k wcn3990 qmi client.
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
for debugfs files.
Semantic patch information:
Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
imposes some significant overhead as compared to
DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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A couple of macros that deal with statistics in ath9k rely on the
declaration of the 'sc' variable, which they dereference.
However, when the statistics are disabled, the new instance in
ath_cmn_process_fft() causes a warning for an unused variable:
drivers/net/wireless/ath/ath9k/common-spectral.c: In function 'ath_cmn_process_fft':
drivers/net/wireless/ath/ath9k/common-spectral.c:474:20: error: unused variable 'sc' [-Werror=unused-variable]
It's better if those macros only operate on their arguments instead of
known variable names, and adding a cast to (void) kills off that warning.
Fixes: 03224678c013 ("ath9k: add counters for good and errorneous FFT/spectral frames")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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We added an unnecessary condition here in commit a904417fc876 ("ath10k:
add extended per sta tx statistics support"). "legacy_rate_idx" is a u8
so it can't be negative. The caller doesn't pass negatives either. I
have deleted this code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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ath10k_pci_diag_write_mem may allocate big size of the dma memory
based on the parameter nbytes. Take firmware diag download as
example, the biggest size is about 500K. In some systems, the
allocation is likely to fail because it can't acquire such a large
contiguous dma memory.
The fix is to allocate a small size dma memory. In the loop,
driver copies the data to the allocated dma memory and writes to
the destination until all the data is written.
Tested with QCA6174 PCI with
firmware-6.bin_WLAN.RM.4.4.1-00119-QCARMSWP-1, this also affects
QCA9377 PCI.
Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Reviewed-by: Brian Norris <briannorris@chomium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In the noisy environment, if there are packets in the queue and can't
send out, the suspend timing will be more than 5 seconds due to the wait,
flush the queue to optimize the suspend timing, and let the upper layer to
retry the packets after resume.
Tested with QCA6174 PCI with firmware
WLAN.RM.4.4.1-00109-QCARMSWPZ-1, but this will also affect QCA9377 PCI.
It's not a regression with new firmware releases.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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There is no need to compare *ps_state_enable* with < 0 because
such variable is of type u8 (8 bits, unsigned), making it
impossible to hold a negative value.
Fix this by removing such comparison.
Addresses-Coverity-ID: 1473921 ("Unsigned compared against 0")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently, the error handling for the call to function
ath10k_get_legacy_rate_idx() doesn't work because
*rate_idx* is of type u8 (8 bits, unsigned), which
makes it impossible for it to hold a value less
than 0.
Fix this by changing the type of variable *rate_idx*
to s8 (8 bits, signed).
Addresses-Coverity-ID: 1473914 ("Unsigned compared against 0")
Fixes: 0189dbd71cbd ("ath10k: get the legacy rate index to update the txrate table")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Adding WMI service check for management tx ack rssi support; this is
done to maintain common avg ack signal in user level for both data
and management tx ack packet.
Tested on QCA4019(fw version-10.4-3.2.1-00063).
Signed-off-by: Balaji Pothunoori <bpothuno@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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For WoWLAN support it is expected to support wake up based on discovery of
one or more known SSIDs. This is the WIPHY_WOWLAN_NET_DETECT feature,
which shows up as an NL80211 feature flag.
This shows up in 'iw phy' as:
WoWLAN support:
* wake up on network detection, up to 16 match sets
And it can be enabled with command:
iw phy0 wowlan enable net-detect interval 5000 delay 30 freqs 2412 matches ssid foo
Firmware will do scan by the configured parameters after suspend and
wakeup if it found matched SSIDs. Tested with QCA6174 hw3.0 with
firmware WLAN.RM.4.4.1-00110-QCARMSWPZ-1.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
[kvalo@codeaurora.org: fix lots of endian bugs, whitespace, commit log and style cleanup]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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