Kalle Valo [Thu, 3 Nov 2011 09:53:57 +0000 (11:53 +0200)]
ath6kl: don't power down hardware when interface is down
Jouni reported that my patch "ath6kl: power down hardware when interface
is down" caused a regression on his x86 boxes and scan didn't work anymore.
I was able to reproduce the problem by disabling all debug messages.
So there has to be a race condition somewhere in the code and disable the
functionality until the race is fixed. Now hardware is powered from the
point where module is loaded until it's removed.
Reported-by: Jouni Malinen <jouni@qca.qualcomm.com>
Tested-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 1 Nov 2011 11:08:50 +0000 (16:38 +0530)]
ath6kl: Fix lockdep warning
The following is the lockdep warning which detects possible
deadlock condition with the way ar->lock and ar->list_lock
are being used.
(&(&ar->lock)->rlock){+.-...}, at: [<
ffffffffa0492d13>] ath6kl_indicate_tx_activity+0x83/0x110 [ath6kl]
but this lock took another, SOFTIRQ-unsafe lock in the past:
(&(&ar->list_lock)->rlock){+.+...}
and interrupts could create inverse lock ordering between them.
other info that might help us debug this:
Possible interrupt unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&(&ar->list_lock)->rlock);
local_irq_disable();
lock(&(&ar->lock)->rlock);
lock(&(&ar->list_lock)->rlock);
<Interrupt>
lock(&(&ar->lock)->rlock);
*** DEADLOCK ***
softirqs have to be disabled when acquiring ar->list_lock to avoid
the above deadlock condition. When the above warning printed the
interface is still up and running without issue.
Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Tue, 1 Nov 2011 06:44:44 +0000 (08:44 +0200)]
ath6kl: cut power during suspend
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>
Kalle Valo [Tue, 1 Nov 2011 06:44:36 +0000 (08:44 +0200)]
ath6kl: refactor sdio configuration to a separate function
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>
Kalle Valo [Tue, 1 Nov 2011 06:44:28 +0000 (08:44 +0200)]
ath6kl: add state variable depicting hw/fw state
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>
Kalle Valo [Tue, 1 Nov 2011 06:44:21 +0000 (08:44 +0200)]
ath6kl: implement ath6kl_cfg80211_suspend()
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>
Kalle Valo [Tue, 1 Nov 2011 06:44:13 +0000 (08:44 +0200)]
ath6kl: reset CONNECT_PEND and CONNECTED flags in ath6kl_cfg80211_stop()
Otherwise first connection establish after cutpower suspend will
fail.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Tue, 1 Nov 2011 06:44:04 +0000 (08:44 +0200)]
ath6kl: create ath6kl_cfg80211_stop()
Just take code from deep sleep for now, will be improved later. No
functional changes.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Tue, 1 Nov 2011 06:43:56 +0000 (08:43 +0200)]
ath6kl: add aborted parameter to ath6kl_cfg80211_scan_complete_event()
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>
Kalle Valo [Sun, 30 Oct 2011 19:16:49 +0000 (21:16 +0200)]
ath6kl: print seqno in htc debug logs
Makes it easier to debug where frames are going.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Sun, 30 Oct 2011 19:16:41 +0000 (21:16 +0200)]
ath6kl: print firmware crashes always
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>
Kalle Valo [Sun, 30 Oct 2011 19:16:33 +0000 (21:16 +0200)]
ath6kl: fix WLAN_ENABLE usage in ath6kl_close()
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>
Kalle Valo [Sun, 30 Oct 2011 19:16:15 +0000 (21:16 +0200)]
ath6kl: power down hardware when interface is down
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>
Kalle Valo [Sun, 30 Oct 2011 19:15:57 +0000 (21:15 +0200)]
ath6kl: create ath6kl_hif_stop()
This is to reset hif layer for powering down hw.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Fri, 28 Oct 2011 13:23:26 +0000 (16:23 +0300)]
ath6kl: change name of sdio driver to ath6kl
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>
Kalle Valo [Thu, 27 Oct 2011 15:49:08 +0000 (18:49 +0300)]
ath6kl: don't print an error for canceled packets
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>
Kalle Valo [Thu, 27 Oct 2011 15:49:00 +0000 (18:49 +0300)]
ath6kl: create ath6kl_htc_reset()
When rebooting hardware we need to reset the htc state in ath6kl_htc_stop().
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 27 Oct 2011 15:48:52 +0000 (18:48 +0300)]
ath6kl: add a timeout to ath6kl_hif_intr_bh_handler()
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>
Kalle Valo [Thu, 27 Oct 2011 15:48:45 +0000 (18:48 +0300)]
ath6kl: remove useless cleanup call from ath6kl_bmi_done()
aht6kl core code will call the cleanup function when the device is removed.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 27 Oct 2011 15:48:37 +0000 (18:48 +0300)]
ath6kl: separate hardware boot code from module initialisation code
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>
Kalle Valo [Thu, 27 Oct 2011 15:48:29 +0000 (18:48 +0300)]
ath6kl: merge ath6kl_init() to ath6kl_core_init()
In preparation for splitting module initialisation and hardware boot
code from each other.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 27 Oct 2011 15:48:22 +0000 (18:48 +0300)]
ath6kl: add a fixme to ath6kl_htc_wait_target()
This doesn't look right, but investigate it later.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 27 Oct 2011 15:48:14 +0000 (18:48 +0300)]
ath6kl: move power control from sdio to core
In preparation for cutting down power from the chip on the fly.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 27 Oct 2011 15:48:00 +0000 (18:48 +0300)]
ath6kl: rename ath6kl_wmi_qos_state_init() to _wmi_reset()
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>
Kalle Valo [Thu, 27 Oct 2011 15:47:46 +0000 (18:47 +0300)]
ath6kl: don't use cfg80211_scan_request after cfg80211_scan_done()
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>
Aarthi Thiruvengadam [Thu, 27 Oct 2011 16:35:56 +0000 (09:35 -0700)]
ath6kl: fix missing copy of action frame contents
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>
Jouni Malinen [Thu, 27 Oct 2011 13:00:13 +0000 (16:00 +0300)]
ath6kl: Report unique remain-on-channel cookie values
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>
Sangwook Lee [Wed, 26 Oct 2011 15:28:38 +0000 (16:28 +0100)]
ath6kl: Fix compilation error from of.h
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>
Rishi Panjwani [Wed, 26 Oct 2011 02:52:41 +0000 (19:52 -0700)]
ath6kl: Implement support for power parameter control from userspace
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>
Rishi Panjwani [Wed, 26 Oct 2011 00:26:29 +0000 (17:26 -0700)]
ath6kl: Implement support for listen interval from userspace
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>
Aarthi Thiruvengadam [Tue, 25 Oct 2011 18:25:52 +0000 (11:25 -0700)]
ath6kl: add support for WPS
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>
Kalle Valo [Mon, 24 Oct 2011 09:18:07 +0000 (12:18 +0300)]
ath6kl: add more boot debug messages
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>
Kalle Valo [Mon, 24 Oct 2011 09:17:59 +0000 (12:17 +0300)]
ath6kl: add debug messages for credit handling
Also take few from htc debug level which are more suitable for credit.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Mon, 24 Oct 2011 09:17:51 +0000 (12:17 +0300)]
ath6kl: remove unused debug levels
Few levels had only one user so I changed them to use WLAN_CFG.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Mon, 24 Oct 2011 09:17:28 +0000 (12:17 +0300)]
ath6kl: use ath6kl_credit prefix consistently
Not all credit functions used that prefix, fix that.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Mon, 24 Oct 2011 09:17:20 +0000 (12:17 +0300)]
ath6kl: move all credit distribution code to htc.c
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>
Kalle Valo [Mon, 24 Oct 2011 09:17:12 +0000 (12:17 +0300)]
ath6kl: rename struct htc_credit_state_info to ath6kl_htc_credit_info
Also rename cred_dist_cntxt to credit_info in struct htc_target.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Mon, 24 Oct 2011 09:17:04 +0000 (12:17 +0300)]
ath6kl: rename struct htc_endpoint_credit_dist.htc_rsvd to htc_ep
No need to use void pointer here.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Mon, 24 Oct 2011 09:16:55 +0000 (12:16 +0300)]
ath6kl: use ath6kl prefix in credit functions
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>
Kalle Valo [Mon, 24 Oct 2011 09:16:44 +0000 (12:16 +0300)]
ath6kl: remove unused A_CACHE_LINE_PAD
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:26 +0000 (19:34 +0530)]
ath6kl: Use appropriate wdev from vif
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:25 +0000 (19:34 +0530)]
ath6kl: Initialize target wlan values for every vif
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:24 +0000 (19:34 +0530)]
ath6kl: Add a modparam to enable multi normal interface support
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:23 +0000 (19:34 +0530)]
ath6kl: Implement add_virtual_intf() and del_virtual_intf()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:22 +0000 (19:34 +0530)]
ath6kl: Configure inteface information at init time
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:21 +0000 (19:34 +0530)]
ath6kl: Use the other variant of netdev (un)register APIs
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:20 +0000 (19:34 +0530)]
ath6kl: Maintain virtual interface in a list
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:19 +0000 (19:34 +0530)]
ath6kl: Introduce spinlock to protect vif specific information
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:18 +0000 (19:34 +0530)]
ath6kl: Store hw mac address in struct ath6kl
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:17 +0000 (19:34 +0530)]
ath6kl: Use interface index from wmi data headr
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:16 +0000 (19:34 +0530)]
ath6kl: Refactor ath6kl_destroy()
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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:15 +0000 (19:34 +0530)]
ath6kl: Cleanup parameters in ath6kl_init_control_info() and 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>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:14 +0000 (19:34 +0530)]
ath6kl: Remove net_device from ath6kl
Use one which is available in vif structure instead.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:13 +0000 (19:34 +0530)]
ath6kl: Take vif information from wmi event
Interface index is passed in wmi command header from target.
Use this index to get the appropriate vif.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:12 +0000 (19:34 +0530)]
ath6kl: Maintain firmware interface index in struct ath6kl_vif
Pass this index to target in wmi commands to specify the interface
for which the command needs to be handled.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:11 +0000 (19:34 +0530)]
ath6kl: Make net and target stats vif specific
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:10 +0000 (19:34 +0530)]
ath6kl: Move few more vif specific information to struct ath6kl_vif
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:09 +0000 (19:34 +0530)]
ath6kl: Move scan_req info and sme_state to vif
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:08 +0000 (19:34 +0530)]
ath6kl: Move disconnect timer to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:07 +0000 (19:34 +0530)]
ath6kl: Move aggregation information to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:06 +0000 (19:34 +0530)]
ath6kl: Move key information to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:05 +0000 (19:34 +0530)]
ath6kl: Move channel information to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:04 +0000 (19:34 +0530)]
ath6kl: Move bssid information to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:03 +0000 (19:34 +0530)]
ath6kl: Move nw_type to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:02 +0000 (19:34 +0530)]
ath6kl: Move ssid and crypto information to vif structure
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:01 +0000 (19:34 +0530)]
ath6kl: Define interface specific states
Currently ar->flag maintains interface stats. Move interface
specific states from ar->flag to vif->flags.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:04:00 +0000 (19:34 +0530)]
ath6kl: Define an initial vif structure and use it
vif specific information need to be moved from struct ath6kl.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:03:59 +0000 (19:33 +0530)]
ath6kl: Cleanup fw interface type setting
It is not necessary to use ath6kl_get_fw_iftype() to find out the
firmware interface type during initialization because the type
of the initial interface in INFRA_NETWORK. Hardcode the fw interface
type corresponding to INFRA_BSS instead of using ath6kl_get_fw_iftype().
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:03:58 +0000 (19:33 +0530)]
ath6kl: Refactor wiphy dev and net dev init functions
This refactoring is done in a manner that it can be used
for multiple virtual interface.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:03:57 +0000 (19:33 +0530)]
ath6kl: Keep wiphy reference in ath6kl structure
This is to avoid using ar->wdev to get wiphy pointer, this
may need further cleanup for multi vif support.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Tue, 25 Oct 2011 14:03:56 +0000 (19:33 +0530)]
ath6kl: Pass ath6kl structure to ath6kl_init() instead of net_device
ar is again taken from private area of net_device in ath6kl_init(), pass
ar directly.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Rishi Panjwani [Wed, 19 Oct 2011 00:20:06 +0000 (17:20 -0700)]
ath6kl: Implement support for background scan control from userspace
In order to allow user space based control of background scan interval,
we use available debugfs infrastructure. The feature has been added for
testing purposes. The user has to write the bgscan interval (in secs) to
the bgscan_interval file in ath6kl debug directory. To disable bgscan,
a '0' is to be written to the bgscan_interval file.
Example:
echo "2" > bgscan_interval
This will make the background scan interval as 2 seconds
kvalo: changed implementation so that there's only one call to
ath6kl_wmi_scanparams_cmd()
Signed-off-by: Rishi Panjwani <rpanjwan@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 13 Oct 2011 12:21:53 +0000 (15:21 +0300)]
ath6kl: add debug level for hif
That way we htc level debug messages can be removed from hif files. Also
add few new messages and remove useless debug message about using
synchrous irq processing (we don't support anything else).
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 13 Oct 2011 12:21:45 +0000 (15:21 +0300)]
ath6kl: don't dump full htc packets
It's currently possible to dump full sdio packets, so dumping htc packets
is not strictly needed. So remove it, we can always add it back if
there ever comes a need for that.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 13 Oct 2011 12:21:37 +0000 (15:21 +0300)]
ath6kl: cleanup htc debug messages
Unify debug message format and other minor changes.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 13 Oct 2011 12:21:15 +0000 (15:21 +0300)]
ath6kl: merge htc debug levels
It's not really necessary to have separate debug levels for htc tx and rx
so combine them.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Rishi Panjwani [Sat, 15 Oct 2011 00:48:07 +0000 (17:48 -0700)]
ath6kl: Implement support for QOS-enable and QOS-disable from userspace
In order to allow user space based QOS control we use the available debugfs
infrastructure. With this feature, user can make changes to qos parameters,
thereby allowing creation and deletion of user defined priority streams and
features like uapsd. This feature has been added for testing purposes.
All 21 parameters for the create_qos command are mandatory in the correct
order. They have to be written to the create_qos file in
the ath6kl debug directory. These parameters(in order) are:
1)user priority
2)direction
3)traffic class
4)traffic type
5)voice PS capability
6)min service intvl
7)max service intvl
8)inactivity intvl
9)suspension intvl
10)serv start time
11)tsid
12)nominal msdu
13)max msdu
14)min data rate
15)mean data rate
16)peak data rate
17)max burst size
18)delay bound
19)min phy rate
20)surplus bw allowance
21)medium time
To create a qos stream:
echo "6 2 3 1 1
9999999 9999999 9999999 7777777 0 6 45000 200
56789000
56789000 5678900 0 0
9999999 20000 0" > create_qos
delete_qos requires 2 parameters:
1)traffic class
2)tsid
To delete a qos stream:
echo "3 1" > delete_qos
kvalo: minor commit log cleanup
Signed-off-by: Rishi Panjwani <rpanjwan@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Jouni Malinen [Tue, 11 Oct 2011 19:08:21 +0000 (22:08 +0300)]
ath6kl: Fix endpoint_stats debugfs buffer length calculation
The previous version did not really make much sense and the theoretical
maximum length would be a bit longer. Calculate the length more
accurately. In addition, there is no need to clear the buffer, so use
kmalloc instead of kzalloc. For bonus points, add the forgotten
cred_rpt_from_other value to the file.
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Sam Leffler [Thu, 13 Oct 2011 10:20:32 +0000 (13:20 +0300)]
ath6kl: unbreak suspend
Add missing {}'s that caused ath6kl_sdio_suspend to always return -EINVAL
causing suspend to be aborted.
kvalo: I broke this in commit
f7325b85e ("ath6kl: add sdio debug messages")
Signed-off-by: Sam Leffler <sleffler@chromium.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 12 Oct 2011 06:58:28 +0000 (09:58 +0300)]
ath6kl: fix firmware start address for ar6003 hw2.0
Sangwook found out that commit
639d0b89 ("ath6kl: read firmware start
address from hardware") broke firmware boot on ar6003 hw2.0 as it seems
it's not posible to automatically query the address from hardware. So
we need to hardcode the address for hw2.0.
Reported-by: Sangwook Lee <sangwook.lee@linaro.org>
Tested-by: Sangwook Lee <sangwook.lee@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Jouni Malinen [Tue, 11 Oct 2011 14:31:57 +0000 (17:31 +0300)]
ath6kl: Allow CCKM AKM and KRK to be configured
Use vendor-specific suite selectors to allow CCKM to be configured.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Jouni Malinen [Tue, 11 Oct 2011 14:31:56 +0000 (17:31 +0300)]
ath6kl: Add debugfs control for keepalive and disconnection timeout
The new debugfs files keepalive and disconnect_timeout can be used to
fetch the current values and to change the values for keepalive and
disconnect event timeout (both in seconds).
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Jouni Malinen [Tue, 11 Oct 2011 14:31:55 +0000 (17:31 +0300)]
ath6kl: Add debugfs files for roaming control
Roaming mode can be changed by writing roam mode (default, bssbias, or
lock) to roam_mode. Forced roam can be requested by writing the BSSID
into force_roam.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Jouni Malinen [Tue, 11 Oct 2011 14:31:54 +0000 (17:31 +0300)]
ath6kl: Add debugfs file for target roam table
The new roam_table debugfs file can be used to display the current
roam table from the target.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Jouni Malinen [Tue, 11 Oct 2011 14:31:53 +0000 (17:31 +0300)]
ath6kl: Add endpoint_stats debugfs file
This file can be used to fetch endpoint statistics counters and
to clear them by writing 0 to it.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kevin Fang [Fri, 7 Oct 2011 00:51:19 +0000 (08:51 +0800)]
ath6kl: Add WSC IE on the associate message
For some WPS test items, such as item "5.1.14"
STAUT must include the WSC IE in the 802.11 Association Request frame.
Therefore, add the corresponding IE in association message.
Signed-off-by: Kevin Fang <kevin.fang@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Thu, 6 Oct 2011 11:32:32 +0000 (14:32 +0300)]
ath6kl: fix null skb dereference in ath6kl_rx()
smatch found that skb might be null in some cases in ath6kl_rx():
ath6kl/txrx.c +1252 ath6kl_rx(222) error: potential null derefence 'skb'.
This will happen when ath6kl is in AP mode and two clients send traffic
to each other.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 5 Oct 2011 09:23:49 +0000 (12:23 +0300)]
ath6kl: move remaining content from htc_hif.h to hif.h
Now htc_hif.h can be removed.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 5 Oct 2011 09:23:42 +0000 (12:23 +0300)]
ath6kl: remove unused values from htc_hif.h
Also remove some cache line optimisation. It was using hardcoded values
which is wrong.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 5 Oct 2011 09:23:33 +0000 (12:23 +0300)]
ath6kl: move htc_hif to hif.c
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 5 Oct 2011 09:23:25 +0000 (12:23 +0300)]
ath6kl: return error block size is not power of 2
Currently only a warning is emitted but no error is returned.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 5 Oct 2011 09:23:17 +0000 (12:23 +0300)]
ath6kl: fix struct host_app_area endian handling
It was missing endian annotation.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Kalle Valo [Wed, 5 Oct 2011 09:23:05 +0000 (12:23 +0300)]
ath6kl: remove unused parameters from struct wmi
There's no use for these, at least right now, so better to remove them.
If some of them are ever needed, we can always add them back.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Chilam Ng [Wed, 5 Oct 2011 07:12:52 +0000 (10:12 +0300)]
ath6kl: make sure WLAN power save is enabled during suspend
Power save is enabled during ath6kl init. But when user space disables power
save, the system will go into suspend with power save disabled. The ath6kl
driver will now explicitly enable power save prior to entering suspend and
restore its previous setting upon resume
Signed-off-by: Chilam Ng <chilamng@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Mon, 3 Oct 2011 11:56:27 +0000 (17:26 +0530)]
ath6kl: Minor cleanup in msg_look_ahead parameter in ath6kl_htc_rxmsg_pending_handler()
It is just a four byte information of the received message
from ath6kl_htc_rxmsg_pending_handler(). Remove unnecessary
array representaion.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Mon, 3 Oct 2011 11:56:26 +0000 (17:26 +0530)]
ath6kl: Avoid processing failed rx packets
It is not necessary to process an htc_packet which is allocated for rx
but failed in sdio rx. Though it does not fix any real issue, it does
not make much sense to process the failed frame.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Mon, 3 Oct 2011 11:58:25 +0000 (17:28 +0530)]
ath6kl: Fix htc_packet leak in ath6kl_htc_rx_fetch()
It is found during the code review. As the leak would happen only
in failure case, the imapct is not easily visible.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Mon, 3 Oct 2011 11:58:07 +0000 (17:28 +0530)]
ath6kl: Fix htc_packet leak in ath6kl_htc_rx_process_packets()
Packet is not reclaimed when ath6kl_htc_rx_process_hdr() fails.
Fix this by deferring the packet deletion from comp_pktq till
ath6kl_htc_rx_process_hdr() returns success. This bug is found
in code review, impact is not easily visible as the leak happens
only in failure cases.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Fri, 30 Sep 2011 16:16:59 +0000 (21:46 +0530)]
ath6kl: Claim sdio function only at appropriate places
There are places where tx_complete callbacks are called with
claiming the sdio function. It is not necessary to hold the
sdio func for longer. This may even affect the host side power
save, if it is supported by the controller.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Vasanthakumar Thiagarajan [Fri, 30 Sep 2011 13:48:43 +0000 (19:18 +0530)]
ath6kl: Replace spin_lock_irqsave with spin_lock_bh
It is not necessary to use spinlock primitive to
protect data which is accessed in hard irq context as
nothing is running in hard irq with this driver. The
spinlock primitive meant to protect data in softirq
context is more appropriate.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>