* fixes for UMAC scan
* more work on debugging framework
* more work for 8000 devices
* cleanups and small bugfixes
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Merge tag 'iwlwifi-next-for-kalle-2015-04-02' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* some more work on LAR
* fixes for UMAC scan
* more work on debugging framework
* more work for 8000 devices
* cleanups and small bugfixes
Conflicts:
drivers/net/usb/asix_common.c
drivers/net/usb/sr9800.c
drivers/net/usb/usbnet.c
include/linux/usb/usbnet.h
net/ipv4/tcp_ipv4.c
net/ipv6/tcp_ipv6.c
The TCP conflicts were overlapping changes. In 'net' we added a
READ_ONCE() to the socket cached RX route read, whilst in 'net-next'
Eric Dumazet touched the surrounding code dealing with how mini
sockets are handled.
With USB, it's a case of the same bug fix first going into net-next
and then I cherry picked it back into net.
Signed-off-by: David S. Miller <davem@davemloft.net>
The only other way to catch these would have been to monitor
the Tx deauth event, but we can send a deauth when we roam.
So it would have been tricky to make sure we capture the
connection losses only.
Define a separate trigger for the connection losses to make
it easier to catch them.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This will allow to collect data when a time event
notifcation with a certain id and action is coming from
the firmware. This can be very useful to debug various
flows.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The current code has a lot of duplicates of printing into a buffer
(while having to make sure it's NUL-filled and -terminated) and
then passing that to the debug trigger collection.
Since that's error-prone, instead make the debug trigger collection
function take a format string and format arguments (with compiler
validity checking) and handle the buffer internally.
This makes one behavioural change -- instead of sending the whole
buffer to userspace (clearing is needed to not leak stack data) it
just passes the actual string (including NUL-terminator.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fix spelling error across the driver.
Modified only comments and prints.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
If ucode_loaded isn't true the function returns the 'ret' variable
without having assigned a value properly. Fix that.
Reported-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
of small fixes, cleanups and internal features we have:
* VHT support for TDLS and IBSS (conditional on drivers though)
* first TX performance improvements (the biggest will come later)
* many suspend/resume (race) fixes
* name_assign_type support from Tom Gundersen
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Merge tag 'mac80211-next-for-davem-2015-03-30' into iwlwifi-next
Lots of updates for net-next; along with the usual flurry
of small fixes, cleanups and internal features we have:
* VHT support for TDLS and IBSS (conditional on drivers though)
* first TX performance improvements (the biggest will come later)
* many suspend/resume (race) fixes
* name_assign_type support from Tom Gundersen
The str/len arguments to iwl_fw_dbg_trigger_simple_stop() aren't used,
and for a simple trigger don't really need to be used as the trigger
code itself encodes the reason, so remove them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Sending multiple action frames off channel, one after the other can create
a race that will result in a timeout:
1. Start sending action frame off channel.
2. Once the frame is sent or the time event is over, the flow will
eventually call ieee80211_start_next_roc to start the next roc frame &
iwl_mvm_roc_finished schedules to schedule a work to flush the queue.
3. Start sending new roc frame and write it to the queue before the
flush work has started.
4. The work is called and it flushes the new packet that was placed on the
on the queue so the packet is lost.
This causes the frame to be removed & not sent, that causes a timeout in
userspace.
Flush the work queue that flushes the roc/off channel queue before starting
to send a new frame off channel, in order to avoid a race between the new
frame that is transmitted off channel & the flushing of the queue.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Currently the last found MCC is reconfigured only in the recovery flow.
But it should always be used when available, for the ifdown/up or
RF-Kill/CT-Kill scenarios.
While at it, fix a couple of bugs in the init-from-last-MCC flow. Return
an error value when a current MCC is not found. Pass on the regdomain to
cfg80211 only if it was changed and don't ignore the return value from
the cfg80211-setter function.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Our testers need to know the number of scans performed while in
net-detect mode before the device wakes up. The firmware already
passes this information to the driver, so we can save it and report it
in a debugfs entry.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
WLAN.RM.2.0-00073 firmware requires self-peer to
be created prior to issuing scan command. Without
this wmi-tlv with qca6174 firmware crashes after
submitting a scan request.
Creating the peer as soon as add_interface()
shouldn't be a problem.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* fix a memory leak, we leaked memory each time the module
was loaded.
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Merge tag 'wireless-drivers-for-davem-2015-04-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
iwlwifi:
* fix a memory leak, we leaked memory each time the module
was loaded.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
ath9k:
* add Active Interference Cancellation, a method implemented in the HW
to counter WLAN RX > sensitivity degradation when BT is transmitting
at the same time. This feature is supported by cards like WB222
based on AR9462.
iwlwifi:
* Location Aware Regulatory was added by Arik
* 8000 device family work
* update to the BT Coex firmware API
brmcfmac:
* add new BCM43455 and BCM43457 SDIO device support
* add new BCM43430 SDIO device support
wil6210:
* take care of AP bridging
* fix NAPI behavior
* found approach to achieve 4*n+2 alignment of Rx frames
rt2x00:
* add new rt2800usb device DWA 130
rtlwifi:
* add USB ID for D-Link DWA-131
* add USB ID ASUS N10 WiFi dongle
mwifiex:
* throughput enhancements
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Merge tag 'wireless-drivers-next-for-davem-2015-04-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
Major changes:
ath9k:
* add Active Interference Cancellation, a method implemented in the HW
to counter WLAN RX > sensitivity degradation when BT is transmitting
at the same time. This feature is supported by cards like WB222
based on AR9462.
iwlwifi:
* Location Aware Regulatory was added by Arik
* 8000 device family work
* update to the BT Coex firmware API
brmcfmac:
* add new BCM43455 and BCM43457 SDIO device support
* add new BCM43430 SDIO device support
wil6210:
* take care of AP bridging
* fix NAPI behavior
* found approach to achieve 4*n+2 alignment of Rx frames
rt2x00:
* add new rt2800usb device DWA 130
rtlwifi:
* add USB ID for D-Link DWA-131
* add USB ID ASUS N10 WiFi dongle
mwifiex:
* throughput enhancements
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The code was a bit convoluted. Clean it up and
prepare for future changes.
While at it this fixes incorrect verification of
'single nss' case when ss2 rates were missing
while ss1 and ss3 were requested resulting in
nss=3 being set:
iw wlan1 set bitrates legacy-5 ht-mcs-5 0 1 2 3 4 5 6 7 16 17 18 19 20 21 22 23 vht-mcs-5 1:0-9 3:0-9
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The number of 3 vdevs wasn't enough to handle the
worst case for interface combinations in practice.
wpa_supplicant may need up to 4 vifs to have 2
vifs actually connected, i.e. p2pdev + client + 2x
p2p (either p2p client or p2p go).
This fixes worst case warning:
Free vdev map is empty, no more interfaces allowed.
This keeps the ability to associate 32 stations in
AP mode at the cost of not being able to guarantee
that under all circumstances, i.e. some
combinations may consume additional fw peer
entries for internal purposes leaving less
resource for stations in AP mode.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This effectively enables multi-channel operation
on qca6174 WLAN.RM.2.0-00073 (and possibly any
newer firmware release for qca6174).
This adds appopriate interface combinations and
initializes firmware channel scheduler.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
qca6174 wmi-tlv firmware defines a new wmi event
for host tx pausing (i.e. stop/wake tx queues).
Map these events to ath10k/mac80211 tx queue
control.
This is important for multi-channel throughput
performance.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Tx queue locking was very simple until now.
Multi-channel support will require a more flexible
and fine grained control.
This introduces a per-hw and per-vif (each with a
bitmask of reasons) tx queue locking.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This command will be used to configure
multi-channel scheduler in firmware.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The chanctx API will allow ath10k to support
multi-channel operation.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
It doesn't make much sense to reject a valid
firmware configuration combination.
Since SSID isn't known early on it might make
sense to allow driver to start vdev without SSID
and restart it later.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
qca6174 and wmi-tlv doesn't have quiet mode
implemented. Don't even attempt to call it. This
fixes a warning when bringing first interface up:
failed to set quiet mode period 100 duarion 0 enabled 0 ret -95
Fixes: 8515b5c79a ("ath10k: configure thermal throttle while powering up")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Number of channels is stored in a separate macro
in a header file and channel list is constructed
independently. The macro is used to define survey
array.
This fixes a recent regression introduced after
adding support for 144 channel. The regression
would lead to a warning and incomplete survey data
on channel 165:
chan info: invalid frequency 5825 (idx 38 out of bounds)
Also make sure to enforce the sizes and avoid this
kind of problem in the future.
Fixes: 4a7898fed5 ("ath10k: enable channel 144 on 5GHz band")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
All of the bringup/init functions called in ath10k_core_start return 0
on success and != 0 on failure. ath10k_wmi_wait_for_service_ready(),
ath10k_wmi_wait_for_unified_ready() and their call sites were adjusted
to fit this model.
The return type of wait_for_completion_timeout is unsigned long not int so
ath10k_wmi_wait_for_service_ready() and ath10k_wmi_wait_for_unified_ready()
were fixed up accordingly.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added and the assignments fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added and the assignments fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added and the assignments fixed up.
Missing spaces 1*HZ -> 1 * HZ were also added along the way.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added and the assignments fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added, respectively 'ret'
renamed, and the assignments fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
When we access the triggers we need to make sure that the
data we expect was actually provided by the firmware file.
Check this when we decode the triggers from the firmware
file.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
of small fixes, cleanups and internal features we have:
* VHT support for TDLS and IBSS (conditional on drivers though)
* first TX performance improvements (the biggest will come later)
* many suspend/resume (race) fixes
* name_assign_type support from Tom Gundersen
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Merge tag 'mac80211-next-for-davem-2015-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Lots of updates for net-next; along with the usual flurry
of small fixes, cleanups and internal features we have:
* VHT support for TDLS and IBSS (conditional on drivers though)
* first TX performance improvements (the biggest will come later)
* many suspend/resume (race) fixes
* name_assign_type support from Tom Gundersen
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
While debugging something else I noticed AID was
set to 0. This could lead to powersave issues in
station mode. Maybe this isn't really necessary
but set it properly just to be sure.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Don't use literal values for offsets. While at it
rename a function so it is more clear what it
checks for.
This finally takes care of the last magic
5GHz/OFDM offset.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
It's possible to derive rate index from bitrate
without any additional mapping structures/logic.
This should have little to none impact on
performance since this is only done for management
frames and the previous approach wasn't
particularly optimized.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Instead of using a hacky table and magic values
use supported band information advertised to
mac80211.
This may impact performance a little when dealing
with legacy rx rates depending on system
architecture. It's probably negligible.
This also fixes a highly theoretical corner case
when HT/VHT rates weren't reported correctly if
channel frequency wasn't known.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Use the existing ieee80211_rate array instead of
definining separate one. This gets rid of the ugly
4-index offset when dealing with 5GHz band.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Using raw values is discouraged. Having
defines/enums is preferred.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
It was superfluous and confusing. It's better to
define the structure explicitly.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
There's no need to store rate values in hw_value.
This frees up the hw_value for better future use.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Prepare the code for future changes so that new
code can refer to rate-related stuff without
forward declarations.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This patch introduces tdls without tdls peer uapsd and tdls channel switching.
Transmitting tdls data frames works only for ethernet type frames, that's why
data addressed to tdls sta is in ethernet format.
This patch depends on commit c23e31cf7b ("mac80211: initialize rate control
earlier for tdls station").
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
As a part of tdls implementation introduce
tdls related wmi data structures, constant
values and functions.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Currently station counting functions
(inc_num_stations/dec_num_stations) does not handle
tdls type of stations. Tdls station should be counted
because it consumes peer in firmware. Only not tdls
stations are excluded from this counting.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Currently number of tdls vdevs supported by firmware
is hardcoded. For future usage it is stored in ath10k
structure based on defined value.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Peer type was hardcoded to default value.
For future implementation it is required
to make is configurable.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
