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Author SHA1 Message Date
Kalle Valo
d50370c953 ath11k: htc: remove unused struct ath11k_htc_ops
No need for it so remove. Compile tested only.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607708150-21066-5-git-send-email-kvalo@codeaurora.org
2020-12-12 06:41:25 +02:00
Carl Huang
f6fa37a492 ath11k: pci: read select_window register to ensure write is finished
Just when resume from WoW, the write to select_window doesn't take
effect immediately, so read the register again to ensure the write
operation is finished.

Another change is to reset select_window to ZERO because this
register isn't restored after WoW, so the content of this register
becomes ZERO too.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607708150-21066-4-git-send-email-kvalo@codeaurora.org
2020-12-12 06:41:22 +02:00
Carl Huang
fa5917e44e ath11k: hif: implement suspend and resume functions
For suspend support add suspend and resume to HIF layer. These ops are optional
and, for example, AHB bus driver does not need to implement these.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607708150-21066-3-git-send-email-kvalo@codeaurora.org
2020-12-12 06:41:19 +02:00
Carl Huang
34fb81e4eb ath11k: mhi: hook suspend and resume
MHI suspend and resume isn't hooked in ath11k yet, so hook these
functions needed for suspend support.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607708150-21066-2-git-send-email-kvalo@codeaurora.org
2020-12-12 06:41:16 +02:00
Pradeep Kumar Chitrapu
f57ad6a988 ath11k: Fix incorrect tlvs in scan start command
Currently 6G specific tlvs have duplicate entries which is causing
scan failures. Fix this by removing the duplicate entries of the same
tlv. This also fixes out-of-bound memory writes caused due to
adding tlvs when num_hint_bssid and num_hint_s_ssid are ZEROs.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1-01386-QCAHKSWPL_SILICONZ-1

Fixes: 74601ecfef ("ath11k: Add support for 6g scan hint")
Reported-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-7-git-send-email-kvalo@codeaurora.org
2020-12-12 06:40:23 +02:00
Carl Huang
0ccdf43988 ath11k: pci: disable VDD4BLOW
It's recommended to disable VDD4BLOW during initialisation.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-6-git-send-email-kvalo@codeaurora.org
2020-12-12 06:40:20 +02:00
Carl Huang
0699940755 ath11k: pci: fix L1ss clock unstable problem
For QCA6390, one PCI related clock drifts sometimes, and
it makes PCI link difficult to quit L1ss. Fix it by writing
some registers which are known to fix the problem.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-5-git-send-email-kvalo@codeaurora.org
2020-12-12 06:40:17 +02:00
Carl Huang
babb0ced6a ath11k: pci: fix hot reset stability issues
For QCA6390, host needs to reset some registers before MHI power up to fix PCI
link unstable issue if hot reset happened. Also clear all pending interrupts
during power up.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-4-git-send-email-kvalo@codeaurora.org
2020-12-12 06:40:14 +02:00
Carl Huang
43ed15e1ee ath11k: put hw to DBS using WMI_PDEV_SET_HW_MODE_CMDID
It's recommended to use wmi command WMI_PDEV_SET_HW_MODE_CMDID to put hardware
to dbs mode instead of wmi_init command. This fixes a few strange stability
issues.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-3-git-send-email-kvalo@codeaurora.org
2020-12-12 06:40:11 +02:00
Kalle Valo
fc46e1b2a2 ath11k: mhi: print a warning if firmware crashed
There was no way to detect if the firmware crashed so add a warning. At the
moment the firmware is not restarted or anything like that, so when this
happens ath11k modules need to be reloaded.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607609124-17250-2-git-send-email-kvalo@codeaurora.org
2020-12-12 06:40:08 +02:00
Bhaumik Bhatt
57449b07ea ath11k: use MHI provided APIs to allocate and free MHI controller
Use MHI provided APIs to allocate and free MHI controller to
improve MHI host driver handling. This also fixes a memory leak
as the MHI controller was allocated but never freed.

Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605634436-36506-1-git-send-email-bbhatt@codeaurora.org
2020-12-12 06:38:44 +02:00
Wen Gong
5dadbe4e37 ath10k: add atomic protection for device recovery
When it has more than one restart_work queued meanwhile, the 2nd
restart_work is very easy to break the 1st restart work and lead
recovery fail.

Add a flag to allow only one restart work running untill
device successfully recovered.

It already has flag ATH10K_FLAG_CRASH_FLUSH, but it can not use this
flag again, because it is clear in ath10k_core_start. The function
ieee80211_reconfig(called by ieee80211_restart_work) of mac80211 do
many things and drv_start(call to ath10k_core_start) is 1st thing,
when drv_start complete, it does not mean restart complete. So it
add new flag and clear it in ath10k_reconfig_complete, because it
is the last thing called from drv_reconfig_complete of function
ieee80211_reconfig, after it, the restart process finished.

Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00049

Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/010101746bead6a0-d5e97c66-dedd-4b92-810e-c2e4840fafc9-000000@us-west-2.amazonses.com
2020-12-12 06:38:12 +02:00
Abhishek Kumar
2bc2b87bb3 ath10k: add option for chip-id based BDF selection
In some devices difference in chip-id should be enough to pick
the right BDF. Add another support for chip-id based BDF selection.
With this new option, ath10k supports 2 fallback options.

The board name with chip-id as option looks as follows
board name 'bus=snoc,qmi-board-id=ff,qmi-chip-id=320'

Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.2.2-00696-QCAHLSWMTPL-1
Tested-on: QCA6174 HW3.2 WLAN.RM.4.4.1-00157-QCARMSWPZ-1
Signed-off-by: Abhishek Kumar <kuabhs@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201207231824.v3.1.Ia6b95087ca566f77423f3802a78b946f7b593ff5@changeid
2020-12-12 06:37:37 +02:00
Mathy Vanhoef
8a71f34bb2 ath9k_htc: adhere to the DONT_REORDER transmit flag
Assure that frames with the fixed order flag are not reordered
relative to each other. This is accomplished by transmitting them
using a fixed priority independent of their QoS field.

Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@kuleuven.be>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201104061823.197407-6-Mathy.Vanhoef@kuleuven.be
2020-12-09 09:05:20 +02:00
Pradeep Kumar Chitrapu
743b9065fe ath11k: mesh: add support for 256 bitmap in blockack frames in 11ax
Currently 256 bitmap in blockack frames is being set only for AP mode.
Fix this to set whenever beacon has changed and has HE capability, there
by supporting mesh as well.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01228-QCAHKSWPL_SILICONZ-1

Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201020183111.25458-5-pradeepc@codeaurora.org
2020-12-09 09:04:45 +02:00
Pradeep Kumar Chitrapu
bd88815060 ath11k: support TXOP duration based RTS threshold
HE operation IE in beacons is constructed based on userspace params,
which firmware might not be aware of. This causes firmware not to
configure TXOP duration based RTS threshold which could cause mismatch
in behaviour with respect to what is being advertised in beacons. This
patch sends HE operation IE fetched from beacon to firmware using
WMI interface for configuration.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01228-QCAHKSWPL_SILICONZ-1

Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201020183111.25458-4-pradeepc@codeaurora.org
2020-12-09 09:04:42 +02:00
Pradeep Kumar Chitrapu
f00490432b ath11k: fix incorrect wmi param for configuring HE operation
WMI_VDEV_PARAM_TX_OFDMA_CPLEN has been added with incorrect enum
value. Fix the enum to represent WMI param for configuring HE
operation field.

This is applicable to firmwares under
https://github.com/kvalo/ath11k-firmware/tree/master/IPQ8074/hw2.0
https://github.com/kvalo/ath11k-firmware/tree/master/IPQ6018/hw1.0
https://github.com/kvalo/ath11k-firmware/tree/master/QCN9074/hw1.0

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01228-QCAHKSWPL_SILICONZ-1

Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201020183111.25458-3-pradeepc@codeaurora.org
2020-12-09 09:04:39 +02:00
Dan Carpenter
59ec8e2fa5 ath11k: unlock on error path in ath11k_mac_op_add_interface()
These error paths need to drop the &ar->conf_mutex before returning.

Fixes: 690ace20ff ("ath11k: peer delete synchronization with firmware")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/X85sVGVP/0XvlrEJ@mwanda
2020-12-09 09:04:07 +02:00
Gustavo A. R. Silva
b6041e1a30 wcn36xx: Fix fall-through warnings for Clang
In preparation to enable -Wimplicit-fallthrough for Clang, fix a
warning by replacing a /* fall through */ comment with the new
pseudo-keyword macro fallthrough; instead of letting the code fall
through to the next case.

Notice that Clang doesn't recognize /* fall through */ comments as
implicit fall-through markings.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/f932c887e013767cbdabfdddd671086e8ae63193.1605896060.git.gustavoars@kernel.org
2020-12-09 09:01:32 +02:00
Gustavo A. R. Silva
e2cb111654 carl9170: Fix fall-through warnings for Clang
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/04257418814755f081fa0ac14a61b01328cdc4ed.1605896059.git.gustavoars@kernel.org
2020-12-09 09:01:29 +02:00
Gustavo A. R. Silva
e64fa6d92a ath5k: Fix fall-through warnings for Clang
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of letting the code fall
through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/e127232621c4de340509047a11d98093958303c5.1605896059.git.gustavoars@kernel.org
2020-12-09 09:01:26 +02:00
Anilkumar Kolli
61a57e51e4 ath11k: fix rmmod failure if qmi sequence fails
QMI sequence fails if caldata file is not available.
It is observed that 'rmmod ath11k' fails if qmi message fails.
With this patch rmmod/insmod is working.

Logs:
Direct firmware load for IPQ8074/caldata.bin failed with error -2
Falling back to user helper
qmi failed to load CAL: IPQ8074/caldata.bin
qmi failed to load board data file:-11

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00009-QCAHKSWPL_SILICONZ-1
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01699-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1606916215-24643-1-git-send-email-akolli@codeaurora.org
2020-12-09 09:00:29 +02:00
Tom Rix
e65e8b608f carl9170: remove trailing semicolon in macro definition
The macro use will already have a semicolon.

Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201127175531.2754461-1-trix@redhat.com
2020-12-08 09:45:36 +02:00
Devin Bayer
3dbd7fe78c ath11k: pci: add MODULE_FIRMWARE macros
I am trying to get the ath11k driver to work with VyOS and during the
build it tries to discover the firmware blobs which drivers require.

This doesn't work with ath11k because it doesn't use the MODULE_FIRMWARE
macro. This patch fixes that.

Signed-off-by: Devin Bayer <dev@doubly.so>
[kvalo@codeaurora.org: cleanup commit log, move to pci.c]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201202182705.dhkml4nb4rf2vwav@orac
2020-12-08 09:44:06 +02:00
Tom Rix
5a5b820d18 ath9k: remove trailing semicolon in macro definition
The macro use will already have a semicolon.

Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201127175336.2752730-1-trix@redhat.com
2020-12-07 18:13:18 +02:00
Seevalamuthu Mariappan
1daf58b23a ath11k: Ignore resetting peer auth flag in peer assoc cmd
Incase of hardware encryption, WMI_PEER_AUTH flag will be set by firmware
during install key. Since install key wont be done for software encryption
mode, firmware will not set this flag. Due to this, seeing traffic failure
in software encryption. Hence, avoid resetting peer auth flag if hardware
encryption disabled.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01421-QCAHKSWPL_SILICONZ-1

Signed-off-by: Seevalamuthu Mariappan <seevalam@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1606369414-25211-1-git-send-email-seevalam@codeaurora.org
2020-12-07 18:09:17 +02:00
Anilkumar Kolli
e8e55d8919 ath11k: add 64bit check before reading msi high addr
In QCN9074 ath11k boot, firmware crash is observed in 64-bit
builds and is due to wrong 64 bit MSI address size. This patch
fixes the firmware crash. Read msi high addr if 64-bit addresses
allowed on MSI.

Tested-On: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1.r1-00026-QCAHKSWPL_SILICONZ-2

Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1606199334-18206-1-git-send-email-akolli@codeaurora.org
2020-12-07 18:08:33 +02:00
Wen Gong
7f881a7217 ath10k: fix a check patch warning returnNonBoolInBooleanFunction of sdio.c
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
drivers/net/wireless/ath/ath10k/sdio.c:2234:2:
warning: Non-boolean value returned from function returning bool [returnNonBoolInBooleanFunction]
return param & HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_FW;

Reported-by: kernel test robot <rong.a.chen@intel.com>

Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00049

Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1606103240-9868-1-git-send-email-wgong@codeaurora.org
2020-12-07 18:06:42 +02:00
Jakub Kicinski
846c3c9cfe wireless-drivers-next patches for v5.11
First set of patches for v5.11. rtw88 getting improvements to work
 better with Bluetooth and other driver also getting some new features.
 mhi-ath11k-immutable branch was pulled from mhi tree to avoid
 conflicts with mhi tree.
 
 Major changes:
 
 rtw88
 
 * major bluetooth co-existance improvements
 
 wilc1000
 
 * Wi-Fi Multimedia (WMM) support
 
 ath11k
 
 * Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
   probe response support
 
 * qcom,ath11k-calibration-variant Device Tree setting
 
 * cold boot calibration support
 
 * new DFS region: JP
 
 wnc36xx
 
 * enable connection monitoring and keepalive in firmware
 
 ath10k
 
 * firmware IRAM recovery feature
 
 mhi
 
 * merge mhi-ath11k-immutable branch to make MHI API change go smoothly
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Merge tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.11

First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.

Major changes:

rtw88
 * major bluetooth co-existance improvements
wilc1000
 * Wi-Fi Multimedia (WMM) support
ath11k
 * Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
   probe response support
 * qcom,ath11k-calibration-variant Device Tree setting
 * cold boot calibration support
 * new DFS region: JP
wnc36xx
 * enable connection monitoring and keepalive in firmware
ath10k
 * firmware IRAM recovery feature
mhi
 * merge mhi-ath11k-immutable branch to make MHI API change go smoothly

* tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (180 commits)
  wl1251: remove trailing semicolon in macro definition
  airo: remove trailing semicolon in macro definition
  wilc1000: added queue support for WMM
  wilc1000: call complete() for failure in wilc_wlan_txq_add_cfg_pkt()
  wilc1000: free resource in wilc_wlan_txq_add_mgmt_pkt() for failure path
  wilc1000: free resource in wilc_wlan_txq_add_net_pkt() for failure path
  wilc1000: added 'ndo_set_mac_address' callback support
  brcmfmac: expose firmware config files through modinfo
  wlcore: Switch to using the new API kobj_to_dev()
  rtw88: coex: add feature to enhance HID coexistence performance
  rtw88: coex: upgrade coexistence A2DP mechanism
  rtw88: coex: add action for coexistence in hardware initial
  rtw88: coex: add function to avoid cck lock
  rtw88: coex: change the coexistence mechanism for WLAN connected
  rtw88: coex: change the coexistence mechanism for HID
  rtw88: coex: update AFH information while in free-run mode
  rtw88: coex: update the mechanism for A2DP + PAN
  rtw88: coex: add debug message
  rtw88: coex: run coexistence when WLAN entering/leaving LPS
  Revert "rtl8xxxu: Add Buffalo WI-U3-866D to list of supported devices"
  ...
====================

Link: https://lore.kernel.org/r/20201203185732.9CFA5C433ED@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-04 10:56:37 -08:00
Kalle Valo
9eb597c744 Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git patches for v5.11. Major changes:

ath11k

* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
  probe response support

* qcom,ath11k-calibration-variant Device Tree setting

* cold boot calibration support

* new DFS region: JP

wnc36xx

* enable connection monitoring and keepalive in firmware

ath10k

* firmware IRAM recovery feature

mhi

* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
2020-12-02 21:46:55 +02:00
Kalle Valo
cd6181ff7e ath11k: dp_rx: fix monitor status dma unmap direction
After enabling CONFIG_DMA_API_DEBUG there was a warning about using
dma_unmap_single() in wrong direction from ath11k_dp_rx_process_mon_status().

[  140.279477] ------------[ cut here ]------------
[  140.279908] DMA-API: ath11k_pci 0000:06:00.0: device driver syncs DMA memory with different direction [device address=0x00000000fac08a40] [size=2176 bytes] [mapped with DMA_FROM_DEVICE] [s
[  140.279925] WARNING: CPU: 7 PID: 97 at kernel/dma/debug.c:1120 check_sync+0x494/0x730
[  140.279939] Modules linked in: ath11k_pci ath11k mac80211 libarc4 cfg80211 qmi_helpers qrtr_mhi mhi qrtr ns nvme nvme_core
[  140.279958] CPU: 7 PID: 97 Comm: kworker/u16:1 Not tainted 5.10.0-rc4+ #262
[  140.279968] Hardware name: Intel(R) Client Systems NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0049.2018.0801.1601 08/01/2018
[  140.279995] Workqueue: phy0 ieee80211_scan_work [mac80211]
[  140.280009] RIP: 0010:check_sync+0x494/0x730
[  140.280022] Code: 8b 4c 24 10 4c 8b 44 24 18 4c 8b 54 24 20 48 89 c6 4c 89 54 24 10 4c 89 f9 4c 89 ea 48 c7 c7 40 b9 74 9c 41 56 e8 2f a0 ab 00 <0f> 0b 48 89 ef e8 e5 17 ac 00 41 58 4c 8b
[  140.280033] RSP: 0018:ffff9f588024cbd8 EFLAGS: 00010086
[  140.280046] RAX: 0000000000000000 RBX: ffff9f588024cc40 RCX: ffff8eed18dd9f98
[  140.280057] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff8eed18dd9f90
[  140.280067] RBP: ffff8eebc1407800 R08: 00000000ffffffea R09: 0000000000000000
[  140.280082] R10: 0000000000000003 R11: 3fffffffffffffff R12: ffffffff9e081060
[  140.280093] R13: ffff8eebc43908b0 R14: ffffffff9c74c104 R15: 00000000fac08a40
[  140.280104] FS:  0000000000000000(0000) GS:ffff8eed18c00000(0000) knlGS:0000000000000000
[  140.280115] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  140.280127] CR2: 00007f6feafb12a0 CR3: 00000001604ca001 CR4: 00000000003706e0
[  140.280138] Call Trace:
[  140.280149]  <IRQ>
[  140.280161]  debug_dma_sync_single_for_cpu+0x79/0x80
[  140.280173]  ? mark_held_locks+0x50/0x80
[  140.280185]  ? lockdep_hardirqs_on_prepare.part.0+0x65/0x130
[  140.280197]  ? __local_bh_enable_ip+0x6f/0xb0
[  140.280215]  ? ath11k_dp_rx_reap_mon_status_ring+0x202/0x340 [ath11k]
[  140.280231]  ath11k_dp_rx_reap_mon_status_ring+0x22c/0x340 [ath11k]
[  140.280249]  ? ath11k_dp_rx_process_mon_rings+0x1a0/0x1a0 [ath11k]
[  140.280265]  ath11k_dp_rx_process_mon_status+0x83/0x3c0 [ath11k]
[  140.280278]  ? __lock_acquire+0x3bd/0x6d0
[  140.280296]  ? ath11k_dp_rx_process_mon_rings+0x1a0/0x1a0 [ath11k]
[  140.280311]  ? ath11k_dp_rx_process_mon_rings+0x1a0/0x1a0 [ath11k]
[  140.280326]  ? ath11k_hw_mac_id_to_srng_id_qca6390+0x10/0x10 [ath11k]
[  140.280341]  ? ath11k_dp_rx_process_mon_rings+0x4a/0x1a0 [ath11k]
[  140.280353]  ? timer_fixup_init+0x30/0x30
[  140.280367]  ? ath11k_dp_rx_process_mon_rings+0x1a0/0x1a0 [ath11k]
[  140.280385]  ath11k_dp_service_mon_ring+0x2b/0x50 [ath11k]
[  140.280400]  ? ath11k_dp_rx_process_mon_rings+0x1a0/0x1a0 [ath11k]
[  140.280413]  call_timer_fn+0xb1/0x2d0
[  140.280426]  __run_timers.part.0+0x205/0x2f0
[  140.280439]  run_timer_softirq+0x21/0x50
[  140.280450]  __do_softirq+0xc2/0x454
[  140.280463]  asm_call_irq_on_stack+0x12/0x20
[  140.280476]  </IRQ>
[  140.280488]  do_softirq_own_stack+0x56/0x60
[  140.280500]  irq_exit_rcu+0x9a/0xd0
[  140.280511]  sysvec_apic_timer_interrupt+0x43/0xa0
[  140.280526]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  140.280540] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40
[  140.280551] Code: 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ca 8f 4b ff 48 89 ef e8 22 dc 4b ff f6 c7 02 75 0c 53 9d <65> ff 0d 04 51 20 64 5b 5d c3 e8 9c 08 56
[  140.280563] RSP: 0018:ffff9f58802e7878 EFLAGS: 00000246
[  140.280578] RAX: 00000000000435ef RBX: 0000000000000246 RCX: 0000000000000040
[  140.280592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9be13e84
[  140.280603] RBP: ffff8eed18dde480 R08: 0000000000000001 R09: ffff8eebc2292760
[  140.280614] R10: 0000000000000005 R11: ffff8eebc2292760 R12: 0000000000000000
[  140.280625] R13: ffff9f58802e7900 R14: ffff8eed18dde480 R15: ffff8eed18dde480
[  140.280637]  ? _raw_spin_unlock_irqrestore+0x34/0x40
[  140.280649]  __mod_timer+0x274/0x400
[  140.280661]  ? wait_for_completion_timeout+0x76/0x110
[  140.280675]  schedule_timeout+0xa8/0x140
[  140.280687]  ? __next_timer_interrupt+0x100/0x100
[  140.280698]  wait_for_completion_timeout+0xa2/0x110
[  140.280714]  ath11k_start_scan+0x4c/0xf0 [ath11k]
[  140.280730]  ath11k_mac_op_hw_scan+0x1e9/0x2c0 [ath11k]
[  140.280763]  drv_hw_scan+0x79/0x260 [mac80211]
[  140.280789]  __ieee80211_scan_completed+0x379/0x440 [mac80211]
[  140.280816]  ieee80211_scan_work+0x12f/0x330 [mac80211]
[  140.280830]  process_one_work+0x279/0x5b0
[  140.280842]  worker_thread+0x49/0x300
[  140.280854]  ? process_one_work+0x5b0/0x5b0
[  140.280868]  kthread+0x135/0x150
[  140.280880]  ? __kthread_bind_mask+0x60/0x60
[  140.280891]  ret_from_fork+0x22/0x30
[  140.280903] irq event stamp: 275961
[  140.280918] hardirqs last  enabled at (275960): [<ffffffff9b270f1f>] __local_bh_enable_ip+0x6f/0xb0
[  140.280931] hardirqs last disabled at (275961): [<ffffffff9be13ca3>] _raw_spin_lock_irqsave+0x63/0x80
[  140.280946] softirqs last  enabled at (275944): [<ffffffffc055288d>] ath11k_ce_send+0x14d/0x260 [ath11k]
[  140.280958] softirqs last disabled at (275953): [<ffffffff9c000f72>] asm_call_irq_on_stack+0x12/0x20
[  140.280971] ---[ end trace 31cb94e18d401398 ]---

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1606156046-24764-1-git-send-email-kvalo@codeaurora.org
2020-12-02 20:34:04 +02:00
Bryan O'Donoghue
9bc3a55f4a wcn36xx: Send NULL data packet when exiting BMPS
This commit updates the BMPS exit path to be consistent with downstream in
terms of exiting BMPS mode. Downstream sets the flag to send a NULL data
frame to the host on exiting BMPS.

This will tell the AP to send any queued frames to the STA immediately.
Verified the relevant bit toggle in wireshark.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201120021403.2646574-2-bryan.odonoghue@linaro.org
2020-12-02 20:33:27 +02:00
Rikard Falkeborn
ad37a46e8c ath10k: Constify static qmi structs
qmi_msg_handler[] and ath10k_qmi_ops are only used as input arguments
to qmi_handle_init() which accepts const pointers to both qmi_ops and
qmi_msg_handler. Make them const to allow the compiler to put them in
read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122234031.33432-3-rikard.falkeborn@gmail.com
2020-12-02 20:32:38 +02:00
Christophe JAILLET
6364e693f4 ath10k: Release some resources in an error handling path
Should an error occur after calling 'ath10k_usb_create()', it should be
undone by a corresponding 'ath10k_usb_destroy()' call

Fixes: 4db66499df ("ath10k: add initial USB support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122170358.1346065-1-christophe.jaillet@wanadoo.fr
2020-12-02 20:31:54 +02:00
Christophe JAILLET
ed3573bc39 ath10k: Fix an error handling path
If 'ath10k_usb_create()' fails, we should release some resources and report
an error instead of silently continuing.

Fixes: 4db66499df ("ath10k: add initial USB support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122170342.1346011-1-christophe.jaillet@wanadoo.fr
2020-12-02 20:31:51 +02:00
Rakesh Pillai
c7cee9c0f4 ath10k: Fix the parsing error in service available event
The wmi service available event has been
extended to contain extra 128 bit for new services
to be indicated by firmware.

Currently the presence of any optional TLVs in
the wmi service available event leads to a parsing
error with the below error message:
ath10k_snoc 18800000.wifi: failed to parse svc_avail tlv: -71

The wmi service available event parsing should
not return error for the newly added optional TLV.
Fix this parsing for service available event message.

Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.2.2-00720-QCAHLSWMTPL-1

Fixes: cea19a6ce8 ("ath10k: add WMI_SERVICE_AVAILABLE_EVENT support")
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605501291-23040-1-git-send-email-pillair@codeaurora.org
2020-12-02 20:28:02 +02:00
Christophe JAILLET
e7bcc145bc ath11k: Fix an error handling path
If 'kzalloc' fails, we must return an error code.

While at it, remove a useless initialization of 'err' which could hide the
issue.

Fixes: d5c65159f2 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122173943.1366167-1-christophe.jaillet@wanadoo.fr
2020-12-02 20:20:16 +02:00
Sven Eckelmann
d35d137549 ath11k: Build check size of ath11k_skb_cb
It is rather easy to add more entries to ath11k_skb_cb while forgetting the
size limit of ieee80211_tx_info->driver_data. So just check this during the
build to reduce the change of accidental buffer overflow in the skbuff->cb.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201119154235.263250-3-sven@narfation.org
2020-12-02 20:19:06 +02:00
Sven Eckelmann
5da7acfec5 ath11k: Reset ath11k_skb_cb before setting new flags
It was observed that the codepath for the ATH11K_SKB_HW_80211_ENCAP was
used even when the IEEE80211_TX_CTRL_HW_80211_ENCAP was not enabled for a
an skbuff. This became even more prominent when the QCAs wlan-open patchset
for ath11k [1] was applied and a sane looking fix just caused crashes when
injecting frames via a monitor interface (for example with ratechecker):

  [   86.963152] Unable to handle kernel NULL pointer dereference at virtual address 00000338
  [   86.963192] pgd = ffffffc0008f0000
  [   86.971034] [00000338] *pgd=0000000051706003, *pud=0000000051706003, *pmd=0000000051707003, *pte=00e800000b000707
  [   86.984292] Internal error: Oops: 96000006 [#1] PREEMPT SMP
  [...]
  [   87.713339] [<ffffffbffc802480>] ieee80211_tx_status_8023+0xf8/0x220 [mac80211]
  [   87.715654] [<ffffffbffc98bad4>] ath11k_dp_tx_completion_handler+0x42c/0xa10 [ath11k]
  [   87.722924] [<ffffffbffc989190>] ath11k_dp_service_srng+0x70/0x3c8 [ath11k]
  [   87.730831] [<ffffffbffca03460>] 0xffffffbffca03460
  [   87.737599] [<ffffffc00046ef58>] net_rx_action+0xf8/0x288
  [   87.742462] [<ffffffc000097554>] __do_softirq+0xfc/0x220
  [   87.748014] [<ffffffc000097900>] irq_exit+0x98/0xe8
  [   87.753396] [<ffffffc0000cf188>] __handle_domain_irq+0x90/0xb8
  [   87.757999] [<ffffffc000081ca4>] gic_handle_irq+0x6c/0xc8
  [   87.763899] Exception stack(0xffffffc00081bdc0 to 0xffffffc00081bef0)

Problem is that the state of ath11k_skb_cb->flags must be considered
unknown and could contain anything when it is not manually initialized. So
it could also contain ATH11K_SKB_HW_80211_ENCAP. And this can result in the
code to assume that the ath11k_skb_cb->vif is set - even when this is not
always the case for non ATH11K_SKB_HW_80211_ENCAP transmissions.

Tested-on: IPQ8074 hw2.0 WLAN.HK.2.4.0.1.r1-00026-QCAHKSWPL_SILICONZ-2

[1] https://source.codeaurora.org/quic/qsdk/oss/system/feeds/wlan-open/tree/mac80211/patches?h=NHSS.QSDK.11.4.r3
    (162 patches at the moment which are often not upstreamed but essential
     to get ath11k working)

Fixes: e7f33e0c52 ("ath11k: add tx hw 802.11 encapsulation offloading support")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201119154235.263250-2-sven@narfation.org
2020-12-02 20:19:03 +02:00
Sven Eckelmann
f4d291b43f ath11k: Don't cast ath11k_skb_cb to ieee80211_tx_info.control
The driver_data area of ieee80211_tx_info is used in ath11k for
ath11k_skb_cb. The first function in the TX patch which rewrites it to
ath11k_skb_cb is already ath11k_mac_op_tx. No one else in the code path
must use it for something else before it reinitializes it. Otherwise the
data has to be considered uninitialized or corrupt.

But the ieee80211_tx_info.control shares exactly the same area as
ieee80211_tx_info.driver_data and ath11k is still using it. This results in
best case in a

  ath11k c000000.wifi1: no vif found for mgmt frame, flags 0x0

or (slightly worse) in a kernel oops.

Instead, the interesting data must be moved first into the ath11k_skb_cb
and ieee80211_tx_info.control must then not be used anymore.

Tested-on: IPQ8074 hw2.0 WLAN.HK.2.4.0.1.r1-00026-QCAHKSWPL_SILICONZ-2

Fixes: d5c65159f2 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201119154235.263250-1-sven@narfation.org
2020-12-02 20:19:00 +02:00
Ritesh Singh
fae0385b29 ath11k: remove "ath11k_mac_get_ar_vdev_stop_status" references
Unused structure ath11k_vdev_stop_status is removed.
'ath11k_mac_get_ar_vdev_stop_status' api has been replaced
with 'ath11k_mac_get_ar_by_vdev_id' inside vdev_stopped_event.

Signed-off-by: Ritesh Singh <ritesi@codeaurora.org>
Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605514143-17652-4-git-send-email-mkenna@codeaurora.org
2020-11-24 18:04:37 +02:00
Ritesh Singh
690ace20ff ath11k: peer delete synchronization with firmware
Peer creation in firmware fails, if last peer deletion
is still in progress.
Hence, add wait for the event after deleting every peer
from host driver to synchronize with firmware.

Signed-off-by: Ritesh Singh <ritesi@codeaurora.org>
Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605514143-17652-3-git-send-email-mkenna@codeaurora.org
2020-11-24 18:04:34 +02:00
Ritesh Singh
3cbbdfbed1 ath11k: vdev delete synchronization with firmware
When the interface is added immediately after removing the
interface, vdev deletion in firmware might not have been
completed.

Hence, add vdev_delete_resp_event and wait_event_timeout
to synchronize with firmware.

Signed-off-by: Ritesh Singh <ritesi@codeaurora.org>
Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605514143-17652-2-git-send-email-mkenna@codeaurora.org
2020-11-24 18:04:31 +02:00
Kalle Valo
526740b495 Merge mhi-ath11k-immutable into ath-next
This is an immutable branch from mhi tree for handling an API change in MHI
subsystem and minimise conflicts between ath and mhi trees.
2020-11-24 17:57:11 +02:00
Maharaja Kennadyrajan
11af6de479 ath11k: Fix the rx_filter flag setting for peer rssi stats
Set the rx_filter in ath11k_mac_config_mon_status_default(),
only when the rx_filter value exists in ath11k_debug_rx_filter().

Without this change, rx_filter gets set to 0 and peer rssi stats
aren't updating properly from firmware.

Tested-on: IPQ8074 WLAN.HK.2.1.0.1-01230-QCAHKSWPL_SILICONZ-4

Fixes: ec48d28ba2 ("ath11k: Fix rx_filter flags setting for per peer rx_stats")

Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605091117-11005-1-git-send-email-mkenna@codeaurora.org
2020-11-23 20:08:23 +02:00
Venkateswara Naralasetty
9af7c32cec ath10k: add target IRAM recovery feature support
This target IRAM recovery feature support is to copy target
IRAM contents available at ATH10K_MEM_REGION_TYPE_REG to host
memory for back up after firmware loaded. Target IRAM contents
are copied to wmi memory chunks allocated for the
WMI_IRAM_RECOVERY_HOST_MEM_REQ_ID and provide the wmi chunks
address to the firmware through wmi init command.

If firmware detects andy IRAM corruption through periodic
checksum validation, It will download the IRAM contents back
from the provided wmi memory chunks address using hif_memcpy.

This IRAM recovery feature prevent target assert in case of
unexpected target IRAM corruptions.

This patch also introduce a new feature flag 'iram-recovery' for
backward compatibility.

Tested-on: QCA9888 10.4-3.9.0.2-00094

Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1604657442-23674-1-git-send-email-vnaralas@codeaurora.org
2020-11-23 20:07:20 +02:00
Ramya Gnanasekar
1057db1b8b ath11k: Fix beamformee STS in HE cap
STS Beamformee capability sent from firmware is overwritten as
num_tx_chains - 1.
When num_tx_chains is 2, then STS is set to invalid value 1.
Since STS is not limited by number of TX chain, not overwriting the
capability received from firmware.

Tested on: IPQ6018 WLAN.HK.2.4.0.1-00303-QCAHKSWPL_SILICONZ-1

Signed-off-by: Ramya Gnanasekar <rgnanase@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1604933229-15815-1-git-send-email-rgnanase@codeaurora.org
2020-11-23 20:06:28 +02:00
P Praneesh
0eaa4c1d34 ath11k: add processor_id based ring_selector logic
Current ring selector logic follows round-robin scheduling,
when a process switch from one processor to another each time,
the data in the cache would have to be invalidated
and re-loaded from RAM leads to poor cache utilization.

Therefore smp_processor_id() attempt to keep processes
on the same processor via processor affinity which improves
cache utilization. Also, ring selection could be chosen round
robin when the processor_id based ring selection does not
have the resources.

Tested-on : IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00874-QCAHKSWPL_SILICONZ-1

Signed-off-by: P Praneesh <ppranees@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1604914915-12831-1-git-send-email-ppranees@codeaurora.org
2020-11-23 20:03:39 +02:00
Loic Poulain
ed5298c7d5
bus: mhi: Remove auto-start option
There is really no point having an auto-start for channels.
This is confusing for the device drivers, some have to enable the
channels, others don't have... and waste resources (e.g. pre allocated
buffers) that may never be used.

This is really up to the MHI device(channel) driver to manage the state
of its channels.

While at it, let's also remove the auto-start option from ath11k mhi
controller.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[mani: clubbed ath11k change]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2020-11-18 12:56:27 +05:30
Johannes Berg
bcc857f8d1 carl9170: remove WDS code
The ability to reach this code was hidden behind
CONFIG_WIRELESS_WDS, which was just removed. Clean
up the driver accordingly.

Link: https://lore.kernel.org/r/20201109105103.1e9c64789510.Ifc4f55c8099e7b7c31a8059befe102523d65e945@changeid
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-11-11 08:39:13 +01:00