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wlcore_op_set_key() calls wl18xx_set_key(),
which in turn executes some of his function
calls without acquiring wl->mutex and making
sure the fw is awake.
Adding mutex_lock()/ps_elp_wakeup() calls is
not enough, as wl18xx_set_key() calls
wl1271_tx_flush() which can't be called while
the mutex is taken.
Add the required calls to wlcore_op_set_key,
but limit the queues_stop and flushing
to the only encryption types in which
a spare block might be needed (GEM and TKIP).
[Arik - move state != ON check]
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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The current elp timeout (the same as the dynamic
ps timeout - 1500ms) is too high. Usually,
wl1271_ps_elp_sleep() get called right after tx/rx,
which is fine, but some command might get sent
even when there is no traffic (e.g. ht changes
triggered by beacon frames), and leaving the
device awake for 1500ms in this case is redundant.
Use a timeout of 30ms.
The fw won't enter elp anyway before the dynamic-ps
timeout was expired as well (and it entered ps
successfully).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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The NVS file is loaded by the device's probe callback with the help of
request_firmware(). Since request_firmware() relies on udevd, the
modules cannot be loaded before hotplug events are handled.
Fix this by loading the NVS file asynchronously and continue
initialization only after the firmware request is over.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Move most of the device-specific probe functionality into setup(), a new
op. By doing this, wlcore_probe will be the first to request a firmware
from userspace, making it easier to load the NVS file asynchronously.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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When the no_recovery flag is used, the recovery work will not restart
the FW and the state will not be set to 'on'. To enable post-mortem
analysis, allow memory access in the 'restarting' state.
Also, since the FW might not be operational, don't fail the read/write
operations if elp_wakeup fails.
Reported-by: Arkady Miasnikov <a-miasnikov@ti.com>
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Currently, all the (station) roles use the same
keep-alive template id (0). However, the klv
template ids shouldn't be shared by different
roles.
Implement a simple klv_templates bitmap, and let
each role allocate its own klv template id on
role initialization.
[Arik - remove invalidation of KLV template when getting into "idle".
This is already handled in unjoin]
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Previously, invalidation of the keep-alive template was
done when going idle. However, while removing the
idle-handling we didn't move the keep-alive template
invalidation to another place.
This finally resulted in fw error when trying to use
the keep-alive template by another role.
(Note that we still have an error here - each role
should have its unique keep-alive template id, while
currently they all use CMD_TEMPL_KLV_IDX_NULL_DATA (0).
This only works now because we don't support concurrent
connected stations yet)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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The driver used siso20 in this case for legacy reasons.
Reported-by: Ido Reis <idor@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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The interrupt line is enabled by wl12xx_enable_interrupts and
wl18xx_enable_interrupts, but it will not be disabled in all failure
paths. Fix this.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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While recursive recovery is avoided during shutdown, a new recovery may
be queued when the FW boots. The recovery work will then try to stop an
already stopped hardware, which will most likely result in a kernel
panic.
Fix this by verifying that wl->state is on before queueing a new
recovery.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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add phy_fw_version_str to debugfs driver_state file.
information is taken during boot and stored in wl->chip.phy_fw_ver_str.
Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Limit SPI transmissions to the wl12xx max buffer size, as only 12xx was
tested with SPI.
This allows us to remove the global aggregation buffer constant.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Use number_of_assembled_ant5 phy param to indicate if A band is enabled:
if number_of_assembled_ant5 != 0 then it is enabled otherwise it is
disabled.
This aligns with phy implementation that uses this param both to indicate
if band is active and the number of antennas.
This parameter replaces enable_11a module param that was removed.
User-Space applications can use wlconf and/or INI files to disable A band
using this parameter.
Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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This allows us to have a p2p-management interface (in STA mode),
as we as a group dedicated interface.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Enable device roles just before starting it.
This way, a single device role should be enough
for all vifs, as we can't use concurrent device
roles (which require ROC) anyway.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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enabled (but not-started) sta role should be good enough
for scanning (both normal and scheduled), so use it
instead of the device_role.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Make debug prints operational when dynamic debug is not defined.
This allows better debugging in production environments.
Change the driver prefix to "wlcore" while were at it.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Allow 3 native mac addresses on 18xx. On 12xx allow 2 native mac
addresses and set the LAA bit to create a third mac address. This
enabled operation with a separate group interface.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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mac80211's resume() callback might get called even if
the sta is not associated (but only up). The
resume sequence in this case results in configuring
the wake-up conditions of a non-started role, which
causes fw assertion.
Fix it by bailing out if the STA is not connected
(like we do on suspend()).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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wowlan filters should be configured in any case in suspend/resume.
This shouldn't be dependent on whether wakeup conditions are the
same for suspend and resume states. Only the FW command to
reconfigure wakeup conditions should be avoided in such a case.
Reported-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Aggregation buffer size is set separately per 18xx/12xx chip family.
For 18xx aggragation buffer is set to 13 pages to utilize all
the available tx/rx descriptors for aggregation.
[Arik - remove redundant parts from the patch]
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Use defines for number of Tx/Rx descriptors.
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Force Tx during the flush if there are packets pending in the driver.
This actually solves a bug where we would get called from the mac80211
wq context, which would prevent tx_work from getting queued, even when
the mutex is unlocked.
Don't stop the queues needlessly if there's nothing to flush. Use a
larger delay when sleeping to give the driver a chance to flush and
avoid cpu busy looping. Re-arrange the loop so the last iteration is
not wasted.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Print how much time a flush took. This will help debug the time it takes
to switch between channels.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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The IEEE80211_TX_CTL_NO_CCK_RATE flag is only set for mgmt packets
transmitted during p2p connection setup. Make sure to use the lowest
OFDM rate guarantee the peer always hears us.
Change the p2p rate policy to contain only the 6mpbs rate to acheive
this effect.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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This solves interoperability issues with peer that don't seem to "hear"
management packets transmitted in higher rates. Based on a previous
patch by Igal Chernobelsky.
Cc: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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recovery_work should be cancelled when stopping the device,
not when removing an interface (this is probably a leftover
from the single-role days)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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The new FWs support a bigger BA window.
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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When a function requests to recover, it would normally abort and will
not send any additional commands to the HW. However, other threads may
not be aware of the failure and could try to communicate with the HW
after a recovery was queued, but before the recovery work began.
Fix this by introducing an intermediate state which is set when recovery
is queued, and modify all state checks accordingly.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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When a single fw is being used for both single-role
and multi-role cases (e.g. 18xx), wl->mr_fw_name is
NULL, which results in NULL dereference while trying
to load the multi-role fw.
In this case, always use the single-role fw, and avoid
redundant fw switch by checking for this case in
wl12xx_need_fw_change() as well.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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default switch configuration set to pg2 chips (rdl 1/2/3/4).
removed hacks for specific board types.
pg1.x boards are now supported only using module params
or specific conf files.
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Declare any firmware that might be used by this driver.
If all drivers declare their firmware usage, then a sufficiently
complete list of firmware files can then be used to pare down
the external linux-firmware package to just the files in actual use.
Cc: Luciano Coelho <coelho@ti.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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Use a module_platform_driver declaration instead of replicating the
init and exit functions in the driver.
Based on the patch for wl18xx by Devendra Naga.
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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the driver's init and exit routines can be implemented with the
module_platform_driver, as the init and exit code is same as
that of the module_platform_driver
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Luciano Coelho <luca@coelho.fi>
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https://bugzilla.kernel.org/show_bug.cgi?id=47681
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Whenever both WLAN and BT in/out sleep mode, sometimes WLAN
is not able to take back the shared LNA control after resumes
from sleep mode. The idea is that for WLAN to check if BT owns
LNA control and BT is in sleep mode when WLAN just resumes from
sleep mode. If the condition is true, do a BTCOEX_RC_WARM_RESET
for WLAN to take back the control of shared LNA.
Now the issue is the BT sleep value read from MCI register is
overlooked by assigning u32 into u8. Hence the above condition never
be met so that WLAN used to report beacon losses and frequent
connection drops.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Tested-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Mac80211 has formal infrastructure to specify which interface combinations
are supported. Make use of this facility in favor of open coding it
ourselves.
So far we only have to specify we can support multiple AP interfaces,
no other combinations are supported.
Inspired by an earlier patch from Paul Fertser.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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All drivers set this value to 1, so there is no need (currently) to let
drivers set this.
Therefor, remove the field; we can always add it back when it is needed.
Inspired by an earlier patch from Paul Fertser.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ap_custom_ie is a struct mwifiex_ie_list which is quite different and
also larger than struct mwifiex_ie. It's a difference between 4196
bytes and 262.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Stone Piao <piaoyun@marvell.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently, ASPM is disabled for all WLAN+BT combo chipsets
when BTCOEX is enabled. This is incorrect since the workaround
is required only for WB195, which is a AR9285+AR3011 combo
solution. Fix this by checking for the HW version when enabling
the workaround.
Cc: stable@vger.kernel.org
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Tested-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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Hardware support for MFP is not available in ath5k. Thus,
this implementation allows the mac80211 stack to do the
actuall crypto operation.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Previously, it was not possible to connect to
networks which requires 11w to be supported by
the stations.
While the documentation hints that there's some
hardware support for offloading MFP "decryption",
this simple implementation relies on the mac80211
stack to do the actual crypto operations.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Previously, it was not possible to connect to
networks which requires 11w to be supported by
the stations.
Note:
As all current (and old) firmwares corrupt
incoming, protected management frames, the
decryption offloading needs to be disabled.
This will be done automatically if needed.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Instead of copying from a constant array
(which is still needed for other purposes)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Building the libipw component without CONFIG_LIBIPW_DEBUG set triggers this GCC
warning:
drivers/net/wireless/ipw2x00/libipw_wx.c:526:21: warning: unused variable 'dev' [-Wunused-variable]
The cause of this warning is that, without CONFIG_LIBIPW_DEBUG set,
LIBIPW_DEBUG_WX compiles away. Fix it by substituting ieee->dev for (its
equivalent) dev.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently scan operation is delayed/aborted based on Tx traffic
consistency. This decision is taken after receiving scan
response of first scan command from FW. But when heavy traffic
is running, we can not even afford to send first scan command
and go off channel for 30msec. We will block scan request in
this case.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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By default, device is disconnected before entering suspend state.
User can keep the connection alive by using module parameter
"disconect_on_suspend=0".
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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