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The card doesn't support MFP, so silently accept DISABLED and OPTIONAL
settings.
This avoids the following failure in wpa_supplicant logs:
State: SCANNING -> ASSOCIATING
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
netlink: Operstate: linkmode=-1, operstate=5
wpa_driver_wext_associate
wpa_driver_wext_set_drop_unencrypted
wpa_driver_wext_set_psk
wpa_driver_wext_associate: assoc failed because set_auth_param(IW_AUTH_MFP) failed
Association request to the driver failed
Signed-off by: David Kilroy <kilroyd@googlemail.com>
Reported by: Giacomo Comes <comes@naic.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The beacon tasklet is accesssing the bslot info for beacon generation.
Meanwhile the same slot can be freed on interface deletion.
Current the remove_interface disables the beacon alert after freeing the slot.
This may leads to null pointer access.
This patch disables SWBA and kills the beacon tasklet to prevent access
to the slot to be freed. After releasing the slot, swba will be enabled again
upon the availablity of beaconing interfaces.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
AR_RxKeyIdxValid will not be set for bcast/mcast frames and so relying
this status for MIC failed frames is buggy.
Due to this, MIC failure events for broadcast frames are not sent to
supplicant resulted in AP disconnecting the STA.
Able to pass Wifi Test case 5.2.18 with this fix.
Cc: Stable <stable@kernel.org> (2.6.36+)
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When ath_drain_all_txq fails to stop DMA, it issues a hw reset. This reset
happens at a very problematic point in time, when the hardware rx path has
not been stopped yet. This could lead to memory corruption, hardware hangs
or other issues.
To fix these issues, simply remove the reset entirely and check the tx DMA
stop status to prevent problems with fast channel changes.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The ath9k driver subtracts 3 dBm to the txpower as with two radios the
signal power is doubled.
The resulting value is assigned in an u16 which overflows and makes
the card work at full power.
Cc: stable@kernel.org
Signed-off-by: Matteo Croce <matteo@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch replace monitor/recover timer by watchdog based on time
stamp. New code allow to discover hangs more precisely.
Timeout values are currently doubled monitoring period values of
previous timer. This have to be tuned based of firmware timing
capabilities.
Tested on 3945, 4965, 5300, 6300.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Similarly like on iwlagn, initialize reset duration on iwl3945 to prevent
too frequent firmware resets.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Since we report tx acks to the protocol stack, add the needed
flag to hw_flags. This way we'll also use the new AP probing mechanism.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Stop ANI durring reset to prevent false PHY error reports
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Always free tx buffers before reset, since we also empty hw queues.
If we don't and a queue gets stuck, we'll never decrease txq_len and sw
will keep thinking the queue is still stuck even after reset.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* By skipping tx power table calibration we also skip setting
tx power table on hw. Make sure we always write tx power table
on hw since it gets cleared on reset.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This prepares the only place which uses the EWMA library so far for the
performance improved implementation coming up, which requires factor and
weight to be a power of two.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
On WiSoc we cannot access mac register before it is resetted.
It will crash hardware otherwise.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
AHB specific functions are now in ahb.c file. AHB bus is
compiled in when CONFIG_ATHEROS_AR231X is set in kernel.
All other platforms will use PCI bus.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add bus dependent revision read function which is used to
determine chipset's MAC before hardware is initialized.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
To be able to support other busses than PCI check if pci device
structure is initialized.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Split pci initialization into hardware specific
functions and softc structure initialization.
Make function naming similar to ones ath9k.
Introduce ath_bus_opts in ath5k for later
AHB bus integration.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Invert test and return early.
Move variable declarations to local scope.
Don't initialize variables to 0 unnecessarily.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This fixes debugfs problems when a phy is renamed,
and is able to remove a bit of code that is no longer
needed.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Specs were updated plus we become wl compatible.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This reverts commit 916448e77f6bcaaa7f13c3de0c3851783ae2bfd0.
"As far as I can tell, either of these patches breaks multiple VIF
scenarios. I'm not sure exactly why, but I had to revert this to
get any of my interfaces to associate."
-- Ben Greear <greearb@candelatech.com>
http://marc.info/?l=linux-wireless&m=129123368719339&w=2
Signed-off-by: John W. Linville <linville@tuxdriver.com>
A few LNA control related flags were also specified as a bitfields, however
for some strange reason they were written in big-endian order this time.
Fix this by using flags instead.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Parsing data using bitfields is messy, because it makes endian handling
much harder. AR9002 and earlier got it right, AR9003 got it wrong.
This might lead to either using too high or too low tx power values,
depending on frequency and eeprom settings.
Fix it by getting rid of the CTL related bitfields entirely and use
masks instead.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The register which gives input gpio state is 0x404c for ar9003,
currently 0x4048 is wrongly used. This will disable RF and make
it unusable on some of AR9003.
Cc:stable@kernel.org
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Change the module parameter name to bt_ch_inhibition from
bt_ch_announce to better describe the functionality
In order to allow Bluetooth to activate a smart AFH mechanism
and to maximize its available bandwidth the WiFi will request
BT Core to inhibit its activity in channels that interfere
with WiFi activity (and vice versa) if bt_ch_inhibition is enabled
Set module parameter "bt_ch_inhibition=0" will disable the channel
inhibition function
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
If driver is on the way down, there is no need to send
RXON to uCode, check the condition before continuous the process.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
PCI L1 Active needs to be disabled while loading the uCode so that the bus
doesn't go to sleep. The enablement of L1 Active should be done after
the uCode has sent the ALIVE response. The enablement of L1 Active was
missing.
Enabling L1 Active allows to save power if the BIOS / bus driver allows
it.
I measured the power consumption while not associated and
idle/associated:
L1 Active disabled: 39 mA = 130mW
L1 Active enabled: 6 mA = 20 mW
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
During reprogram stations, do not send link quality command.
uCode will crash if receive link quality command for invalid station
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Because we don't support them at this stage.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
For the SDIO testing module we need to load the firmware but not
boot it. wl1271_load_firmware() is meant to do just the firmware loading part.
We also export some functions so they are usable in the testing module.
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
If we try to reset the debugfs statistics when debugfs is not configured in
the kernel, we're memset an illegal pointer, because it has never been
allocated. So check whether we have debugfs enabled by looking into the
wl->rootdir before trying to reset the fw_stats struct.
Reported-by: Joerie de Gram <j.de.gram@gmail.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Use per-device debugfs path, so multiple devices won't collide.
in order to use wl->hw->wiphy->debugfsdir, we have to move the debugfs
creation from wl1271_debugfs_init() to wl1271_register_hw().
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Documentation/filesystems/debugfs.txt:
"""
Once upon a time, debugfs users were required to remember the dentry pointer
for every debugfs file they created so that all files could be cleaned up.
We live in more civilized times now, though, and debugfs users can call:
void debugfs_remove_recursive(struct dentry *dentry);
"""
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
