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If sdio controller doesn't support keep power, cut power from hardware
during suspend and restart firmware during resume. If we are connected
during suspend, send a disconnected event to user space.
Earlier suspend failed with an error if sdio didn't support keep power.
Now suspend will happen succesfully even with that case.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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These commands are also needed after cutpower suspend so create
a function for them. Also fix memory leaks in ath6kl_sdio_probe() error
path.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This way it's easier to track state changes and in the future add
more warnings about using hardware in wrong states. Currently there
are few random flags for trying to do the same, those will be cleaned
and removed in the future.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is in preparation for cutpower suspend feature. HIF layer makes
the decision based on information provided by cfg80211 and what hardware
actually supports. Then it calls ath6kl_cfg80211_suspend() to enable
the chosen mode.
Functionality should be the same, this is just preparation for
more suspend modes (cutpower and wow).
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Otherwise first connection establish after cutpower suspend will
fail.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Just take code from deep sleep for now, will be improved later. No
functional changes.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Currently it takes an error code as status, but what we really want to
tell is if the scan was aborted or not.
Also fix a bug where we were comparing firmware scan status values
with kernel error codes, which is obviously wrong. This meant
that ath6kl didn't detect when firmware informed about failed scans. I
doubt that this fix doesn't make any difference in practise but it
still needs to be fixed. This is fixed by adding an enum for the success
status code and checking for that.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Makes it easier to debug where frames are going.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Currently firmware crash dump is printed only if debug is enabled.
Change it so that the crash dump is always printed.
Also move the code from init.c to hif.c.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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If ath6kl_init_hw_stop() failed with an error WLAN_ENABLED would not
be cleared. Found during code review and just a theoretical issue.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The benefit from this is that user space can control hardware's power state
by putting interface up and down. This is handy if firmware gets to some
weird state.
The downside will be that putting interface up takes a bit longer,
I was measuring ~500 ms during interface up.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is to reset hif layer for powering down hw.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Currently the name of the driver in struct sdio_driver is "ath6kl_sdio",
this is for example what uevent advertises. This is wrong as the module
is named as ath6kl.ko. Change it to "ath6kl" so that the names match.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl_tx_complete() was printing an error when packet was canceled.
That causes unnecessary errors when hardware is powered off.
Also change the error to a warning and cleanup the message.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When rebooting hardware we need to reset the htc state in ath6kl_htc_stop().
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It's possible to busyloop forever in ath6kl_hif_intr_bh_handler(). Add
a check that it lasts only one second.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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aht6kl core code will call the cleanup function when the device is removed.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Refactor the code needed to boot the hardware to a separate function so
that it will be easier boot and shutdown hardware.
No functional changes (hopefully).
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In preparation for splitting module initialisation and hardware boot
code from each other.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This doesn't look right, but investigate it later.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In preparation for cutting down power from the chip on the fly.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Just to make it more clear that this function is supposed to
reset wmi related variables.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Use of cfg80211_scan_request is not valid after calling cfg80211_scan_done()
but ath6kl_cfg80211_scan_complete_event() was doing exactly that. Change
the function to call cfg80211_scan_done() last.
This was found during code review, I didn't see any visible problems
due to this bug.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The wpa_supplicant was receiving incorrect frame contents in the
callback function that indicates the status of the frame transmitted.
This patch fixes a missing copy of the frame contents to a local
buffer. The local buffer keeps track of the last sent management frame.
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Even though only a single concurrent remain-on-channel operation is
supported, there may be two pending remain-on-channel events (one to
indicate end of a canceled operation and another to indicate start of a
new operation). User space won't be able to distinguish these events
unless unique cookies are used.
The previous behavior resulted in wpa_supplicant getting quite
confused about the driver's offchannel state in various sequences
and this made the P2P state machine behave incorrectly. Use of
more than a single remain-on-channel cookie value fixes this.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When compiling ath6kl for ARM with device tree tree compilation fails
with errors like:
include/linux/of.h: In function 'of_property_read_u32_array':
include/linux/of.h:249:10: error: 'ENOSYS' undeclared
Workaround this by including errno.h from init.c.
kvalo: improved commit log
Signed-off-by: Sangwook Lee <sangwook.lee@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In order to allow user space based control of power parameters, we use
available debugfs infrastructure. With these features user can control
power consumption by adjusting various sleep/wake up related parameters.
The feature has been added for testing purposes. All 5 parameters are
mandatory in correct order. They have to be written to the power_params
file. These are:
1) idle_period
2) no_of_pspoll
3) dtim_policy
4) tx_wakeup_policy
5) no_tx_to_wakeup
Example:
echo "200 1 0 1 1" > power_params
Signed-off-by: Rishi Panjwani <rpanjwan@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In order to allow user space based control of listen interval, we use
available debugfs infrastructure. Listen interval implies how frequently
we want the WLAN chip to wake up and synchronize the beacons in case it
is in sleep mode. The command requires two parameters in the following order:
1) listen_interval_time
2) listen_interval_beacons
The user has to write the listen interval_time (in msecs) and
listen_interval_beacons (in no. of beacons) to the listen_interval file in
ath6kl debug directory.
Example:
echo "30 1" > listen_interval
Signed-off-by: Rishi Panjwani <rpanjwan@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add control flag CONNECT_WPS_FLAG if a WPS IE is present in the
Association Request IEs. This flag is needed when the station must
connect to a WPS-enabled AP.
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Move some of the debug logs to boot level because they are more
interesting when debugging boot issues.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Also take few from htc debug level which are more suitable for credit.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Few levels had only one user so I changed them to use WLAN_CFG.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Not all credit functions used that prefix, fix that.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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As htc is the only user there's no reason to keep it in main.c.
No functional changes.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Also rename cred_dist_cntxt to credit_info in struct htc_target.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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No need to use void pointer here.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is to follow the common style in the driver. Also add braces to
fix a style issue.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Remove the wdev reference in struct ath6kl.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Wlan parameters need to be configured for every vif
in target.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This option lets operate more than one vif in normal mode (AP/STA/IBSS)
when support for multiple vif is enabled. This modparam needs to be used
as
modprobe ath6kl multi_norm_if_support=1
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Virtual interface information need to be configured during
init time to the target. With MAX_NUM_VIF is restricted to
1, currently only a single vif is being configured.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Use replace (un)register_netdev() with (un)register_netdevice()
so that the same ath6kl function can be used with
add_virtual_intf()/del_virtual_intf().
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This patch removes all references to ar->vif and takes
vif from a list.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Use this spinlock to protect the vif's data instead of
one from ath6kl.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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WMI ready event gives the mac address, cache this
mac address in struct ath6kl so that it can be used to
compute the mac address for other vif in case of multi vif.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Interface index is passed in wmi data header as well, use it
to get the corresponding vif structure.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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So that the deinitialization of ath6kl and vif are separated.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl_init_profile_info()
Pass vif structure to those functions instead of ath6kl because these
functions do vif specific information initialization.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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