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Handled the error case with proper resource cleanup and
moved the handling into a separate function from
ath11k_mac_sta_state.
Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The Previous configuartion of htt stats sounding info and pdev cca stats
are invalid due to that getting time out error.
Changing htt stats sounding info value from 0xFF to 0x00 and htt pdev cca
stats from 0x10 to 0x00
Signed-off-by: Ganesh Sesetti <gseset@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch changes the ath9k_pci_owl_loader to use the
same iowrite32 memory accessor that ath9k_pci is using
to communicate with the PCI(e) chip.
This will fix endian issues that came up during testing
with loaned AVM Fritz!Box 7360 (Lantiq MIPS SoCs + AR9287).
Fixes: 5a4f2040fd07 ("ath9k: add loader for AR92XX (and older) pci(e)")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
During driver load below warn logs are printed in the console if
firmware doesn't support some optional HTC services, ex:pktlog.
It is likely some older fw version may not support PKTLOG HTC
service as legacy fw uses HTC DATA service for pktlog.
Move this log to debug level to remove un-necessary warn message
on console.
htc.c:803: ath10k_warn(ar, "unsupported HTC service id: %d\n",
htc.c:881: ath10k_warn(ar, "unsupported HTC service id: %d\n",
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Trigger the WMI call en/disabling OBSS PD when the bss config changes or we
assoc to an AP that broadcasts the IE.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add target wait time wmi calls to the driver. En/disable the support
from when the bss_config changes. We ignore the cmd completion events.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add basic HE support to the driver. The sband_iftype data is generated from
the capabilities read from the FW.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Remove unexecuted code while handling amsdu packets.
The same logic is done before calling ath11k_dp_rx_msdu_coalesce
Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
TX rate stats for the retried packets for a station comes through
tx completion events. Assigning hw reported bandwidth information
directly to station's txrate bandwidth will cause below warning.
Fix this warning by converting the hw reported bandwidth to
mac80211 base bandwidth.
[ 134.758190] PC is at cfg80211_calculate_bitrate+0x1bc/0x214 [cfg80211]
[ 134.765730] LR is at cfg80211_calculate_bitrate+0x1bc/0x214 [cfg80211]
[ 134.875014] [<ffffffbffca8d708>] cfg80211_calculate_bitrate+0x1bc/0x214 [cfg80211]
[ 134.877192] [<ffffffbffcaa9704>] nl80211_put_sta_rate+0x54/0xf24 [cfg80211]
[ 134.884829] [<ffffffbffcaa9d48>] nl80211_put_sta_rate+0x698/0xf24 [cfg80211]
[ 134.891687] [<ffffffbffcaaa490>] nl80211_put_sta_rate+0xde0/0xf24 [cfg80211]
[ 134.898975] [<ffffffc0004de748>] genl_lock_dumpit+0x30/0x4c
[ 134.905998] [<ffffffc0004dc264>] netlink_dump+0xf4/0x248
[ 134.911291] [<ffffffc0004dc910>] __netlink_dump_start+0xe0/0x174
[ 134.916850] [<ffffffc0004df114>] genl_family_rcv_msg+0x130/0x2c0
Signed-off-by: Tamizh chelvam <tamizhr@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
We can regularly see the following message.
- "ath11k c000000.wifi1: failed to find the peer with peer_id 4"
This happens when the FW starts sending stats for the peer whilst the
peer is not fully associated. Convert this info message to a debug one.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Everytime a new peer gets associated, we see the following message in the log
- ath11k c000000.wifi1: Unknown eventid: 0x6017
Ignore this event for now. We probably need to handle the event properly when
we add OMI support.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
mac80211 expects the definition of what HE rate info is available inside a
struct prepended to the skb.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Rework event_create_dir() to use an array of static data instead of
function pointers where possible.
The problem is that it would call the function pointer on module load
before parse_args(), possibly even before jump_labels were initialized.
Luckily the generated functions don't use jump_labels but it still seems
fragile. It also gets in the way of changing when we make the module map
executable.
The generated function are basically calling trace_define_field() with a
bunch of static arguments. So instead of a function, capture these
arguments in a static array, avoiding the function call.
Now there are a number of cases where the fields are dynamic (syscall
arguments, kprobes and uprobes), in which case a static array does not
work, for these we preserve the function call. Luckily all these cases
are not related to modules and so we can retain the function call for
them.
Also fix up all broken tracepoint definitions that now generate a
compile error.
Tested-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20191111132458.342979914@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
ath11k is a new driver for Qualcomm IEEE 802.11ax devices, first
supporting only IPQ8074 SoC using the shared memory AHB bus. ath11k
uses mac80211 and supports AP, Station and Mesh modes.
Even though ath11k has some similar code as with ath10k (especially
the WMI layer) it was concluded to be simpler to have a "clean start"
for ath11k code base and not try to share the code with ath10k. This
makes maintenance easier and avoids major changes in ath10k, which
would have significantly increased the risk of regressions in existing
setups.
Even though the driver is very similar with ath10k but there are major
differences as well. The datapath is completely different. ath11k
supports multiple MACs, called "soc" in the firmware interface. And
there's only one WMI interface to support.
Currently ath11k supports only IEEE 802.11ac mode, but patches for
802.11ax are available and they will be submitted after ath11k is
accepted to upstream.
The firmware images are available from ath11k-firmware repository but
they will be also submitted to linux-firmware:
https://github.com/kvalo/ath11k-firmware
This was tested with firmware version WLAN.HK.2.1.0.1-00629-QCAHKSWPL_SILICONZ-1.
The driver has had multiple authors who are listed in alphabetical
order below.
Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org>
Signed-off-by: Ganesh Sesetti <gseset@codeaurora.org>
Signed-off-by: Govindaraj Saminathan <gsamin@codeaurora.org>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Signed-off-by: Manikanta Pubbisetty <mpubbise@codeaurora.org>
Signed-off-by: Miles Hu <milehu@codeaurora.org>
Signed-off-by: Muna Sinada <msinada@codeaurora.org>
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: Sathishkumar Muruganandam <murugana@codeaurora.org>
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Sven Eckelmann <seckelmann@datto.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@codeaurora.org>
Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
There is a check on the retry counter invalid_buf_id_retry that is always
false because invalid_buf_id_retry is initialized to zero on each iteration
of a while-loop. Fix this by initializing the retry counter before the
while-loop starts.
Addresses-Coverity: ("Logically dead code")
Fixes: b4a967b7d0f5 ("wil6210: reset buff id in status message after completion")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
So far, frames were forwarded regardless of the FCS correctness leading
to userspace applications listening on the monitor mode interface to
receive potentially broken frames, even with the "fcsfail" flag unset.
By default, with the "fcsfail" flag of a monitor mode interface
unset, frames with FCS errors should be dropped. With this patch, the
fcsfail flag is taken into account correctly.
Tested-on: QCA4019 firmware-5-ct-full-community-12.bin-lede.011
Cc: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Linus Lüssing <ll@simonwunderlich.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
iw command only show rssi without each chain's rssi on sdio
iw wlan0 station dump
Station a0:40:a0:93:3e:de (on wlan0)
signal: -82 dBm
signal avg: -82 dBm
after this patch, it will show each chain's rssi on sdio
Station a0:40:a0:93:3e:de (on wlan0)
signal: -82 [-84, -88] dBm
signal avg: -82 [-84, -87] dBm
For QCA6174 PCIe, the ppdu have the correct rssi of each chain, it
indicate rssi of rx data by ath10k_htt_rx_h_signal. For sdio chip, the
rssi of each chain stored in rx management reported by firmware, the
ath10k_wmi_tlv_op_pull_mgmt_rx_ev which used for tlv wmi will get the
rssi of each chain and stored them in wmi_mgmt_rx_ev_arg, then indicate
them to mac80211. For non-tlv wmi chip, it will not get the rssi of each
chain and not indicate to mac80211, for non-tlv wmi chip, this patch will
not have impact. For tlv wmi chip, if the rssi of chain in mgmt is valid,
it will be indicate to mac80211, tested with QCA6174 PCIe/SDIO, the rssi
of 2 chain in mgmt is valid.
rssi of chains in mgmt of QCA6174 SDIO:
92096.652780: ath10k:ath10k_log_warn: ath10k_sdio mmc1:0001:1 rssi[0]:70
92096.657324: ath10k:ath10k_log_warn: ath10k_sdio mmc1:0001:1 rssi[1]:68
92096.662009: ath10k:ath10k_log_warn: ath10k_sdio mmc1:0001:1 rssi[2]:128
92096.666647: ath10k:ath10k_log_warn: ath10k_sdio mmc1:0001:1 rssi[3]:128
rssi of chains in mgmt of QCA6174 PCIe:
[ 1581.049816] ath10k_pci 0000:02:00.0: mgmt rssi[0]:17
[ 1581.049818] ath10k_pci 0000:02:00.0: mgmt rssi[1]:22
[ 1581.049821] ath10k_pci 0000:02:00.0: mgmt rssi[2]:128
[ 1581.049823] ath10k_pci 0000:02:00.0: mgmt rssi[3]:128
after apply this patch, the iw's rssi of PCIe do not changed, result is
same with before.
iw wlan0 station dump of QCA6174 PCIe:
Station 6c:e8:73:b8:92:dc (on wlan0)
signal: -70 [-77, -72] dBm
signal avg: -69 [-78, -72] dBm
iw wlan-5000mhz station dump of QCA9984 PCIe
connected with 2 client which has 2 chain:
Station 70:48:0f:1f:1a:b2 (on wlan-5000mhz)
signal: -47 [-55, -48, -87, -88] dBm
signal avg: -42 [-50, -43, -83, -86] dBm
Station ac:c1:ee:39:e3:83 (on wlan-5000mhz)
signal: -43 [-46, -45, -79, -84] dBm
signal avg: -43 [-46, -46, -82, -83] dBm
Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00017-QCARMSWP-1.
Tested with QCA6174 PCIe with firmware WLAN.RM.4.4.1-00110-QCARMSWP-1.
Tested with QCA9984 PCIe with firmware 10.4-3.9.0.2-00040.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
When the BDF download QMI message has the end field set to 1, it signals
the end of the transfer, and triggers the firmware to do a CRC check. The
BDFs for msm8998 devices fail this check, yet the firmware is happy to
still use the BDF. It appears that this error is not caught by the
downstream drive by concidence, therefore there are production devices
in the field where this issue needs to be handled otherwise we cannot
support wifi on them. So, attempt to detect this scenario as best we can
and treat it as non-fatal.
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
When ath10k_qmi_init() fails, the error handling does not free the irq
resources, which causes an issue if we EPROBE_DEFER as we'll attempt to
(re-)register irqs which are already registered.
Fix this by doing a power off since we just powered on the hardware, and
freeing the irqs as error handling.
Fixes: ba94c753ccb4 ("ath10k: add QMI message handshake for wcn3990 client")
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add NL80211_FEATURE_ND_RANDOM_MAC_ADDR for NLO will enable the random
mac address for netdetect case.
iw command:
iw phy0 wowlan enable net-detect net-detect
randomize=AA:7B:A1:AC:B2:41/FF:FF:FF:FF:FF:FF interval 5000 delay 30
freqs 2412 matches ssid foo.
After suspend, DUT will send probe request with mac AA:7B:A1:AC:B2:41.
WCN3990, QCA9377, QCA6174 PCI also support this feature.
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00029.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Firmware with the build id QC_IMAGE_VERSION_STRING=WLAN.HL.1.0.2-XXXX does
not support the QMI_WLFW_HOST_CAP_REQ_V01 message and will return the
QMI not supported error to the ath10k driver. Since not supporting this
message is not fatal to the firmware nor the ath10k driver, lets catch
this particular scenario and ignore it so that we can still bring up
wifi services successfully.
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Download firmware time cost of SDIO is too long, it is about 480ms,
add large size 2048 bytes for BMI download for SDIO chip, its time
cost will reduced to 240ms.
This will optimize the download firmware time cost.
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWP-1.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
the tlv len is set to the total len of the wmi cmd, it will trigger
firmware crash, correct the tlv len.
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWP-1 and QCA6174
PCIE with firmware WLAN.RM.4.4.1-00110-QCARMSWPZ-1.
Fixes: ce834e280f2f875 ("ath10k: support NET_DETECT WoWLAN feature")
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
For RX, it has two parts, one is to read data from sdio, another
is to indicate the packets to upper stack. Recently it has only
one thread to do all RX things, it results that it is sequential
for RX and low throughout, change RX to parallel for the two parts
will increase throughout.
This patch move the indication to a workqueue, it results in
significant performance improvement on RX path.
Udp rx throughout is 200Mbps without this patch, and it arrives
400Mbps with this patch.
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWPZ-1
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The max bundle size support by firmware is 32, change it from 8 to 32
will help performance. This results in significant performance
improvement on RX path.
The real max rx bundle is decided in ath10k_htc_wait_target(),
it is the min value of HTC_HOST_MAX_MSG_PER_RX_BUNDLE and the value reported
from firmware. So this change shouldn't cause any regressions with other
hardware supported by ath10k.
Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00017-QCARMSWPZ-1.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The existing implementation of initiating multiple sdio transfers for
receive bundling is slowing down the receive speed. Combining the
transfers using a bundle method would be ideal.
The transmission utilization ratio for sdio bus for small packet is
slow, because the space and time cost for sdio bus is same for large
length packet and small length packet. So the speed of data for large
length packet is higher than small length.
Test result of different length of data:
data packet(byte) cost time(us) calculated rate(Mbps)
256 28 73
512 33 124
1024 35 234
1792 45 318
14336 168 682
28672 333 688
57344 660 695
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWPZ-1
Signed-off-by: Alagu Sankar <alagusankar@silex-india.com>
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style. This fixes various indentation mixups (seven spaces,
tab+one space, etc).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Unless we sleep for a while before transitioning the MSA memory to WLAN
the MPSS.AT.4.0.c2-01184-SDM845_GEN_PACK-1 firmware triggers a security
violation fairly reliably. Unforutnately recovering from this failure
always results in the entire system freezing.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This reverts commit 334f5b61a6f29834e881923b98d1e27e5ce9620d.
This caused ath10k_snoc on Qualcomm MSM8998, SDM845 and QCS404 platforms to
trigger an assert in the firmware:
err_qdi.c:456:EF:wlan_process:1:cmnos_thread.c:3900:Asserted in wlan_vdev.c:_wlan_vdev_up:3219
Revert the offending commit for now.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Downloading ath10k firmware needs a large number of IOs and
cpuidle's miss predictions make it worse. In the worst case,
resume time can be three times longer than the average on sdio.
This patch disables cpuidle during firmware downloading by
applying PM_QOS_CPU_DMA_LATENCY in ath10k_download_fw().
Tested-on: QCA9880
Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00029
Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
STA number was not restored if OOM happened.
Tested: QCA9984 with firmware ver 10.4-3.9.0.1-00018
Signed-off-by: Zhi Chen <zhichen@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
ath10k does not provide transmit rate info per MSDU
in tx completion, mark that as -1 so mac80211
will ignore the rates. This fixes mac80211 update Mesh
link metric with invalid transmit rate info.
Tested HW: QCA9984
Tested FW: 10.4-3.9.0.2-00035
Signed-off-by: Hou Bao Hou <houbao@codeaurora.org>
Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
First set of patches for 5.5. The most active driver here clearly is
rtw88, lots of patches for it. More quiet on other drivers, smaller
fixes and cleanups all over.
This pull request also has a trivial conflict, the report and example
resolution here:
https://lkml.kernel.org/r/20191031111242.50ab1eca@canb.auug.org.au
Major changes:
rtw88
* add deep power save support
* add mac80211 software tx queue (wake_tx_queue) support
* enable hardware rate control
* add TX-AMSDU support
* add NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 support
* add power tracking support
* add 802.11ac beamformee support
* add set_bitrate_mask support
* add phy_info debugfs to show Tx/Rx physical status
* add RFE type 3 support for 8822b
ath10k
* add support for hardware rfkill on devices where firmware supports it
rtl8xxxu
* add bluetooth co-existence support for single antenna
iwlwifi
* Revamp the debugging infrastructure
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Merge tag 'wireless-drivers-next-2019-11-05' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 5.5
First set of patches for 5.5. The most active driver here clearly is
rtw88, lots of patches for it. More quiet on other drivers, smaller
fixes and cleanups all over.
This pull request also has a trivial conflict, the report and example
resolution here:
https://lkml.kernel.org/r/20191031111242.50ab1eca@canb.auug.org.au
Major changes:
rtw88
* add deep power save support
* add mac80211 software tx queue (wake_tx_queue) support
* enable hardware rate control
* add TX-AMSDU support
* add NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 support
* add power tracking support
* add 802.11ac beamformee support
* add set_bitrate_mask support
* add phy_info debugfs to show Tx/Rx physical status
* add RFE type 3 support for 8822b
ath10k
* add support for hardware rfkill on devices where firmware supports it
rtl8xxxu
* add bluetooth co-existence support for single antenna
iwlwifi
* Revamp the debugging infrastructure
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove unneeded ret variable from ath5k_eeprom_read_spur_chans()
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Change all files to add SPDX license identifiers and
remove license text.
This is only an administrative change, there is no change
in actual license or copyright for any file.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Fix various misspellings of "configuration" and "configure".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The `ar_usb` field of `ath10k_usb_pipe_usb_pipe` objects
are initialized to point to the containing `ath10k_usb` object
according to endpoint descriptors read from the device side, as shown
below in `ath10k_usb_setup_pipe_resources`:
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
// get the address from endpoint descriptor
pipe_num = ath10k_usb_get_logical_pipe_num(ar_usb,
endpoint->bEndpointAddress,
&urbcount);
......
// select the pipe object
pipe = &ar_usb->pipes[pipe_num];
// initialize the ar_usb field
pipe->ar_usb = ar_usb;
}
The driver assumes that the addresses reported in endpoint
descriptors from device side to be complete. If a device is
malicious and does not report complete addresses, it may trigger
NULL-ptr-deref `ath10k_usb_alloc_urb_from_pipe` and
`ath10k_usb_free_urb_to_pipe`.
This patch fixes the bug by preventing potential NULL-ptr-deref.
Signed-off-by: Hui Peng <benquike@gmail.com>
Reported-by: Hui Peng <benquike@gmail.com>
Reported-by: Mathias Payer <mathias.payer@nebelwelt.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[groeck: Add driver tag to subject, fix build warning]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The dev_kfree_skb() function performs also input parameter validation.
Thus the test around the shown calls is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
In commit 518a2f1925c3
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
(kvalo: cherry picked from commit 1340cc631bd00431e2f174525c971f119df9efa1 in
wireless-drivers-next to wireless-drivers as this a frequently reported
regression)
Bad latency is found on QCA988x, the issue was introduced by
commit 4504f0e5b571 ("ath10k: sdio: workaround firmware UART
pin configuration bug"). If uart_pin_workaround is false, this
change will set uart pin even if uart_print is false.
Tested HW: QCA9880
Tested FW: 10.2.4-1.0-00037
Fixes: 4504f0e5b571 ("ath10k: sdio: workaround firmware UART pin configuration bug")
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The return value of dma_map_single() should be checked for errors using
dma_mapping_error() and the skb has been dequeued so it needs to be
freed.
This was found when enabling CONFIG_DMA_API_DEBUG and it warned about the
missing dma_mapping_error() call.
Fixes: 1807da49733e ("ath10k: wmi: add management tx by reference support over wmi")
Reported-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Regulatory rule defines in regd.c are used not only by ath9k but also
ath10k driver (haven't test other drivers) and thus should be
renamed from ATH9K* to ATH*.
Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The memory of ar->debug.tpc_stats_final is reallocated every debugfs
reading, it should be freed in ath10k_debug_destroy() for the last
allocation.
Tested HW: QCA9984
Tested FW: 10.4-3.9.0.2-00035
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
