Add the following to support beacon report radio measurement
with the measurement mode field set to passive or active:
1. Propagate the required scan duration to the device
2. Report the scan start time (in terms of TSF)
3. Report each BSS's detection time (also in terms of TSF)
TSF times refer to the BSS that the interface that requested the
scan is connected to.
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
[changed ath9k/10k, at76c59x-usb, iwlegacy, wl1251 and wlcore to match
the new API]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Beacon report radio measurement requires reporting observed BSSs
on the channels specified in the beacon request. If the measurement
mode is set to passive or active, it requires actually performing a
scan (passive or active, accordingly), and reporting the time that
the scan was started and the time each beacon/probe was received
(both in terms of TSF of the BSS of the requesting AP). If the
request mode is table, this information is optional.
In addition, the radio measurement request specifies the channel
dwell time for the measurement.
In order to use scan for beacon report when the mode is active or
passive, add a parameter to scan request that specifies the
channel dwell time, and add scan start time and beacon received time
to scan results information.
Supporting beacon report is required for Multi Band Operation (MBO).
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Several cases of overlapping changes, except the packet scheduler
conflicts which deal with the addition of the free list parameter
to qdisc_enqueue().
Signed-off-by: David S. Miller <davem@davemloft.net>
ath.git patches for 4.8. Major changes:
ath10k
* enable btcoex support without restarting firmware
* enable ipq4019 support using AHB bus
* add QCA9887 chipset support
* retrieve calibration data from EEPROM, currently only for QCA9887
wil6210
* add pm_notify handling
The nl80211 layer expects P2P search operation to be aborted
if needed when stopping P2P device. If the P2P search operation
is still running after returning from stop_p2p_device
it causes a WARN_ON and possibly a kernel crash.
Fix this by aborting the P2P search in wil_cfg80211_stop_p2p_device
and preventing P2P search from being started on a stopped P2P
device.
Note, the fix does not cover the case where a regular scan
is started on the P2P device. It will be completed in the
future when support is added for aborting a scan operation.
Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
In wil_p2p_listen chan is checked to protect against NULL
pointer access only before setting channel = chan->hw_value.
Add a global parameter check to cover all accesses to chan.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
In this switch statement, the default case does not always assign
sifs. In practice, ah->ah_bwmode cannot take values besides the
other labels, so this is not an actual problem, but it looks odd
and smatch complains thus:
ath5k_hw_get_default_sifs() warn: missing break? reassigning 'sifs'
Silence the warning by moving default label up a line.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
commit 5c86d97bcc1d ("ath10k: combine txrx and replenish task")
introduced deadlock while processing rx in order indication message
for qca6174 based devices. While merging replenish and txrx tasklets,
replenish task should be called out of htt rx ring locking since it
is also try to acquire the same lock.
Unfortunately this issue is not exposed by other solutions (qca988x,
qca99x0 & qca4019), as rx_in_ord_ind message is specific to qca6174
based devices. This patch fixes
=============================================
[ INFO: possible recursive locking detected ]
4.7.0-rc2-wt-ath+ #1353 Tainted: G E
---------------------------------------------
swapper/3/0 is trying to acquire lock:
(&(&htt->rx_ring.lock)->rlock){+.-...}, at: [<f8d7ef19>]
ath10k_htt_rx_msdu_buff_replenish+0x29/0x90 [ath10k_core]
but task is already holding lock:
(&(&htt->rx_ring.lock)->rlock){+.-...}, at: [<f8d82cab>]
ath10k_htt_txrx_compl_task+0x21b/0x250 [ath10k_core]
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&htt->rx_ring.lock)->rlock);
lock(&(&htt->rx_ring.lock)->rlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
1 lock held by swapper/3/0:
#0: (&(&htt->rx_ring.lock)->rlock){+.-...}, at: [<f8d82cab>]
ath10k_htt_txrx_compl_task+0x21b/0x250 [ath10k_core]
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=119151
Fixes: 5c86d97bcc1d ("ath10k: combine txrx and replenish task")
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
In QCA4019, cycle counter wraparound is not tied to rx
clear counter. Each counter would wraparound individually
and after wraparound the respective counter will be reset
to 0x7fffffff while other counter still running unaffected.
Define a new wraparound type for this behaviour and handle
it separately so that rx clear counter wraparound is also
handled just like cycle counter. With this type of
wraparound we can accurately compute and report channel
active/busy time when any of the counter overflows.
Fixes: ee9ca147c59 ("ath10k: Fix survey reporting with QCA4019")
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
QCA988X hw implements a different cycle counter wraparound
behaviour when compared to QCA4019. To properly handle different
wraparound logic for these chipsets replace already available
bool hw_params member, has_shifted_cc_wraparound, with an
enum which could be extended to handle different wraparound
behaviour. This patch keeps the existing logic functionally
same and a prepares cycle counter wraparound handling to
extend for other chips.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
[kvalo@qca.qualcomm.com: change also QCA9887 wrap type]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
CCK hardware table mapping from QCA99X0 onwards got revised.
The CCK hardware rate values are in a proper order wrt. to
rate and preamble as below
ATH10K_HW_RATE_REV2_CCK_LP_1M = 1,
ATH10K_HW_RATE_REV2_CCK_LP_2M = 2,
ATH10K_HW_RATE_REV2_CCK_LP_5_5M = 3,
ATH10K_HW_RATE_REV2_CCK_LP_11M = 4,
ATH10K_HW_RATE_REV2_CCK_SP_2M = 5,
ATH10K_HW_RATE_REV2_CCK_SP_5_5M = 6,
ATH10K_HW_RATE_REV2_CCK_SP_11M = 7,
This results in reporting of rx frames (with CCK rates)
totally wrong for QCA99X0, QCA4019. Fix this by having
separate CCK rate table for these chipsets with rev2 suffix
and registering the correct rate mapping to mac80211 based on
the new hw_param (introduced) 'cck_rate_map_rev2' which shall
be true for any newchipsets from QCA99X0 onwards
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
All these flags are not used and their use is completely
covered by 'ath10k_hw_rate_ofdm', 'ath10k_hw_rate_cck',
and RX_PPDU_START_RATE_FLAG
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Only five bits are defined to pass tid information in HTT_RX_IND
message, so the mask which can be used to extract tid should be 0x1f
instead of the current 0x3f. Also, macros which can be used to extract
flush_valid and release_valid bits have to be left shifted one bit less
because these information follow the tid right after. This patch does
not really fix anything functionally because these macros are not used
currently.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This looks like a regression from commit c4cdf753ed42 ("ath10k: move
fw_features to struct ath10k_fw_file"), we were printing the features from a
wrong struct.
Fixes: c4cdf753ed42 ("ath10k: move fw_features to struct ath10k_fw_file")
Signed-off-by: Ben Greear <greearb@candelatech.com>
[kvalo@qca.qualcomm.com: improve commit log]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The QCA9887 stores its calibration data (board.bin) inside the EEPROM of
the target. This has to be downloaded manually to allow the device to
initialize correctly.
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
[kvalo@qca.qualcomm.com: handle -EOPNOTSUPP and s/fetch_board_data/fetch_cal_eeprom]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Add the hardware name, revision, firmware names and update the pci_id
table.
QA9887 HW1.0 is supposed to be similar to QCA988X HW2.0 . Details about
he firmware interface are currently unknown.
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
[kvalo@qca.qualcomm.com: add a warning about experimental support]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The previous text was confusing, leading readers to think this
driver was a duplicate, and so didn't need to be enabled.
After the removal of the older staging driver, this is the only
driver in mainline for these devices.
Signed-off-by: Lauri Kasanen <cand@gmx.com>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
All the necessary patches to make wifi running (over AHB)
on ipq4019 SoC are ready now. It's good to enable
ipq4019 wifi device probing in ahb module and
remove work in progress debug print.
Device tree change is there in the public review by
below commit message
"qcom: ipq4019: add wifi nodes to ipq4019 SoC device tree"
Signed-off-by: Tamizh chelvam <c_traja@qti.qualcomm.com>
Signed-off-by: Raja Mani <rmani@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
10.4 firmware has support to enable or disable btcoex functionality
without reloading firmware via wmi pdev param. Add provision to send
pdev param command via existing btcoex knob.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This feature flag will be used for firmware to support BT-Coex feature
without reloading firmware via WMI pdev param. To support Bluetooth
coexistence pdev param, WMI_COEX_GPIO_SUPPORT of extended resource
config should be enabled always. This firmware IE is used to configure
WMI_COEX_GPIO_SUPPORT.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Update module description to advertise all supported QCA 802.11ac devices.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Remove unused inline function phy_mode_to_band.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Earlier when operating irq mode is legacy, interrupts are disabled
and re-enabled based on num_msi_intrs. commit cfe9011a05a8 ("ath10k:
remove MSI range support") replaced num_msi_intrs by oper_irq_mode.
Since oper_irq_mode is not initialized for ahb devices (i.e qca4019),
device boot up is failed during probe.
Fixes: cfe9011a05a8 ("ath10k: remove MSI range support")
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Fix invalid argument error while writing 'simulate_fw_crash',
though the funcionality is working fine we get an error 'invalid
argument' because 'count' value is not returned properly
(no reason to reduce the count value for removing the newline)
Fixes the below write error:
/sys/kernel/debug/ieee80211/phy0/ath10k# echo hw-restart >
simulate_fw_crash
-bash: echo: write error: Invalid argument
Also move the 'conf_mutex' as it is really not required for
fetching the userspace buffer.
Reported-by: Maharaja Kennadyrajan <c_mkenna@qti.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Maharaja Kennadyrajan <c_mkenna@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diag_read uses dma_alloc_coherent to allocate memory requested by the
caller. If this memory requested is larger, more than DIAG_TRANSFER_LIMIT
(2K), then it is likely that we may not get the requested memory and we
would fail.
To solve this, request dma_alloc_coherent for only DIAG_TRANSFER_LIMIT, and
reuse this buffer multiple times as needed to copy the data requested in
smaller chunks of size not more than DIAG_TRANSFER_LIMIT. Previously we
were reading into the caller's only after getting the complete requested
data.
Fixes: 68c03249f388 ('ath10k: convert pci_alloc_consistent() to dma_alloc_coherent()')
Signed-off-by: Ashok Raj Nagarajan <arnagara@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
On TX99 mode, instead of assuming interrupt mask non ATH9K_INT_GLOBAL,
let ath9k_hw_disable_interrupts proper set interrupt ref count.
This prevents some PCI PERR occurring specialy when setting 11b and n rates.
Signed-off-by: Eduardo Abinader <eduardo.abinader@riverbed.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Change the implementation of wil log functions for consistency
with __wil_dbg_ratelimited.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Adding pm_notify to allow the following:
1. Check if suspend is allowed in an earlier stage to prevent
starting the suspend procedure in case it is not allowed
2. Notify the platform driver on the suspend request
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
In case we fail to map one of the TSO SKB fragments, we need to
clear all the mapped descriptors, from swhead to swhead+descs_used-1.
Change the desc index calculation to
i = (swhead + descs_used - 1) % vring->size;
to prevent unmpping of (swhead + descs_used) descriptor that wasn't
mapped.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
napi_synchronize is called before releasing the vring, with the
assumption that setting txdata->enabled to 0 will prevent handling
of this vring in the next scheduled napi.
To guarantee this assumption, a memory barrier is added after disabling
the txdata.
In addition, as the ctx is zeroed in wil_tx_complete after this
descriptor is handled (protected by wmb), ctx needs to be checked
before releasing this descriptor in wil_vring_free.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
add memory barrier after allocating new rx descriptors, before
updating the hwtail.
This will guarantee that all writes to descriptors (shared memory)
are done before committing them to HW.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
There are 2 possible race conditions, both are solved by addition of
memory barrier:
1. wil_tx_complete reads the swhead to determine if the vring is
empty. In case the swhead was updated before the descriptor update
was performed in __wil_tx_vring/__wil_tx_vring_tso, the completion
loop will not end and as the DU bit may still be set from a previous
run, this skb can be handled as completed before it was sent, which
will lead to double free of the same SKB.
2. __wil_tx_vring/__wil_tx_vring_tso calculate the number of available
descriptors according to the swtail. In case the swtail is updated
before memset of ctx to zero is completed, we can handle this
descriptor while later on ctx is zeroed.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
As there is current support for ar9002 tx99 mode, just allow
to init debugfs and enable tx99.
Signed-off-by: Eduardo Abinader <eduardo.abinader@riverbed.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Just some code cleanup to remove an empty if clause.
Signed-off-by: Eduardo Abinader <eduardo.abinader@riverbed.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Legacy rate packets may not necessarily be having a rx status
flag of '0' always, for example management frame have flags
like RX_FLAG_ONLY_MONITOR / RX_FLAG_MACTIME_END also set
Just check 'VHT' and 'HT' flags are not set , and simply clasify it as
legacy rate packets
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
WARN_ON_ONCE when we receive packets for self peer when mac80211
had not assigned a proper channel context. This scenario happens
in QCA4019 when we start the AP via hostapd in background and start
it once again in the background without killing the previous instance!
This happens intermittently when we start / stop hostapd in a while loop
(incase the hostapd is not properly killed). This results in mac80211
chancontext to be unassigned, while the self peer continuous receive
packets in target operating channel. This results in lot of call traces
in the rx path. Make this as a WARN_ON_ONCE to avoid flooding the console
which result in rebooting low memory systems, while still reporting the
warning once that we are receiving packets in target operating channel and
to indicate that something is happening which is not the expected result.
WARNING: CPU: 0 PID: 0 at ath/ath10k/htt_rx.c:803
[<c0318838>] (warn_slowpath_null) from [<bf4a0104>]
(ath10k_htt_rx_h_channel+0xe0/0x1b8 [ath10k_core])
[<bf4a0104>] (ath10k_htt_rx_h_channel [ath10k_core]) from
[<bf4a025c>] (ath10k_htt_rx_h_ppdu+0x80/0x288 [ath10k_core])
[<bf4a025c>] (ath10k_htt_rx_h_ppdu [ath10k_core]) from
[<bf4a1a9c>] (ath10k_htt_txrx_compl_task+0x724/0x9d4 [ath10k_core])
[<bf4a1a9c>] (ath10k_htt_txrx_compl_task [ath10k_core])
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Recent changes revolving around implementing
wake_tx_queue support introduced a significant
performance regressions on some (slower, uni-proc)
systems.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
QCA9984 shares the same configuration with QCA99X0.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
QCA9984 Rx descriptor has two 32-bit words of location information
when compared to one 32-bit word in QCA99X0. To handle this difference in
rx descriptor ppdu_end, define a new ppdu_end for QCA9984 descriptor
which has the new structure to represent rx_location_info.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Store pci chip secific reset funtions in struct ath10k_pci
as callbacks during early ath10k_pci_probe() and use the
callback to perform chip specific resets. This patch essentially
adds two callback in ath10k_pci, one for doing soft reset and
the other for hard reset. By using callbacks we can get rid of
those hw revision checks in ath10k_pci_safe_chip_reset() and
ath10k_pci_chip_reset(). As such this patch does not fix
any issue.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Define rx_location_info in struct rx_ppdu_end_qca99x0 after
rx_pkt_end. This is to prepare rx_ppdu_end for QCA9984 chip.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Major changes:
iwlwifi
* remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODE kconfig option
* work for RX multiqueue continues
* dynamic queue allocation work continues
* add Luca as maintainer
* a bunch of fixes and improvements all over
brcmfmac
* add 4356 sdio support
ath6kl
* add ability to set debug uart baud rate with a module parameter
wil6210
* add debugfs file to configure firmware led functionality
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Merge tag 'wireless-drivers-next-for-davem-2016-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers patches for 4.7
Major changes:
iwlwifi
* remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODE kconfig option
* work for RX multiqueue continues
* dynamic queue allocation work continues
* add Luca as maintainer
* a bunch of fixes and improvements all over
brcmfmac
* add 4356 sdio support
ath6kl
* add ability to set debug uart baud rate with a module parameter
wil6210
* add debugfs file to configure firmware led functionality
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In QCA4019, cycle counter wraparound in same fashion
as QCA988X. When the cycle counter wraparound it
resets to 0x7fffffff. Set has_shifted_cc_wraparound to
true for QCA4019 to enable the code path to handle cycle
counter wraparound for consistent survey report.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
In 10.4, fw sends WMI PEER_RATECODE_LIST_EVENTID after successful
peer_assoc cmd. As of now this event is not of much use and not
implemented. Change the debug level and messsage as appropriate
to suppress "Unknown eventid: 36898".
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Add the ability to configure the device led to be used for notifying
the AP activity (60G device supports leds 0-2).
The host can also configure the blinking frequency of the led in
three states.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Since commit cd6cfd7311a385144a2f9c74f692ae2df3ae033f
"ath9k: do not set half/quarter channel flags in AR_PHY_MODE" the
condition "rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF)" would
never evaluate to true.
Fix this by using the available IS_CHAN_HALF_RATE and IS_CHAN_QUARTER_RATE
marcros instead.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
