There are no drivers setting IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE
or IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE, so any code using the
two flags is dead; it's also exceedingly unlikely that any new driver
could ever need to set these flags.
The wcn36xx code is almost certainly broken, but this preserves the
previous behaviour.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Conflicts:
drivers/net/phy/amd-xgbe-phy.c
drivers/net/wireless/iwlwifi/Kconfig
include/net/mac80211.h
iwlwifi/Kconfig and mac80211.h were both trivial overlapping
changes.
The drivers/net/phy/amd-xgbe-phy.c file got removed in 'net-next' and
the bug fix that happened on the 'net' side is already integrated
into the rest of the amd-xgbe driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Some of of qca988x solutions are having global reset issue
during target initialization. Bypassing PLL setting before
downloading firmware and letting the SoC run on REF_CLK is fixing
the problem. Corresponding firmware change is also needed to set
the clock source once the target is initialized. Since 10.2.4
firmware is having this ROM patch, applying skip_clock_init only
for 10.2.4 firmware versions.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
more things for -next:
* disconnect TDLS stations on CSA to avoid issues
* fix a memory leak introduced in a recent commit
* switch rfkill and cfg80211 to PM ops
* in an unlikely scenario, prevent a bookkeeping
value to get corrupted leading to dropped packets
* fix a crash in VLAN assignment
* switch rfkill-gpio to more modern gpiod API
* send disconnected event to userspace with proper
local/remote indication
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Merge tag 'mac80211-next-for-davem-2015-05-29' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
As we get closer to the merge window, here are a few
more things for -next:
* disconnect TDLS stations on CSA to avoid issues
* fix a memory leak introduced in a recent commit
* switch rfkill and cfg80211 to PM ops
* in an unlikely scenario, prevent a bookkeeping
value to get corrupted leading to dropped packets
* fix a crash in VLAN assignment
* switch rfkill-gpio to more modern gpiod API
* send disconnected event to userspace with proper
local/remote indication
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This could lead userspace initram images getting
built without necessary firmware files included
leading to probing failures of ath10k on boot with
QCA61X4.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
In some cases some channel survey data was
reported incorrect.
Channel info events were expected to come in pairs
without and with COMPLETE flag set respectively
for each channel visit during scan.
The known deviation from this is rule for last
scan chan info and first (next) scan chan info
both have COMPLETE flag set. This was either
programmed with the intent of providing BSS cycle
count info or this is an artefact of firmware scan
state machine. Either way this is useless due to
short wraparound time, wraparound quirks and no
overflow notification.
Survey dumps now include only data gathered during
scan channel visits that can be computed
correctly.
This should improve hostapd ACS a little bit.
Reported-by: Srinivasa Duvvuri <sduvvuri@chromium.org>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
When QCA988X cycle counter HW register wraps
around it resets to 0x7fffffff instead of 0. All
other cycle counter related registers are divided
by 2 so they never wraparound themselves. QCA61X4
has a uniform CC and it wraparounds in a regular
fashion though.
Worst case wraparound time is approx 24 seconds
(2**31 / 88MHz). Since scan channel visit times
are max 5 seconds (offchannel case) it is
guaranteed there's been at most 1 wraparound and
it is possible to compute survey active time
value. It is, however, impossible to determine the
point at which Rx Clear Count has been divided by
two so it is not reported upon wraparound.
This fixes some occasional incorrect survey data
on QCA988X as some channels (depending on how/when
scan/offchannel requests were requested) would
have approx 24 sec active time which wasn't
actually the case.
This should improve hostapd ACS a little bit.
Reported-by: Srinivasa Duvvuri <sduvvuri@chromium.org>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The macro isn't WMI specific. Instead it is
related to hardware chip so move the macro
accordingly. While at it document the magic value.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
If a HW recovery was started but not completed since all interfaces went
down, make sure to cleanup all interfaces before clearing the HW_RESTART
flag.
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>
BlockAck sessions can have events that are interesting to
debug. When we send or receive a BAR, it is may indicate
that something bad is happening. Even more so when mac80211
tells us that a frame timed out in the reodering buffer.
Add a few triggers for BlockAck session debugging.
Allow per-TID debugging.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
a lot of small fixes and cleanups, the bigger items are:
* proper mac80211 rate control locking, to fix some random crashes
(this required changing other locking as well)
* mac80211 "fast-xmit", a mechanism to reduce, in most cases, the
amount of code we execute while going from ndo_start_xmit() to
the driver
* this also clears the way for properly supporting S/G and checksum
and segmentation offloads
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Merge tag 'mac80211-next-for-davem-2015-05-06' into iwlwifi-next
Lots of updates for net-next for this cycle. As usual, we have
a lot of small fixes and cleanups, the bigger items are:
* proper mac80211 rate control locking, to fix some random crashes
(this required changing other locking as well)
* mac80211 "fast-xmit", a mechanism to reduce, in most cases, the
amount of code we execute while going from ndo_start_xmit() to
the driver
* this also clears the way for properly supporting S/G and checksum
and segmentation offloads
For UMAC, we were not treating a race condition that happens in the
scan flows, because it was not using the same state flags. Now that
UMAC and LMAC scans use the same state flags, we can also handle the
race conditions for UMAC.
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>
UMAC scans now use the general scan status for almost everything, the
only part missing was in the scan complete notifications. Change it
to use the stopping flags instead of clearing the flags when the stop
comes from above and clean the handler function a bit.
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>
The regular and scheduled scan functions are very similar, so they can
be combined into one.
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>
Having explicit rx cmd header fields is useful, as it can
be used for event filtering (e.g. saving only debug logs,
rather than the whole data)
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This check for family type is redundant as the if clause above
checks a family-dependent Boolean (which is not set for family 8000 anyway).
Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The UMAC and LMAC scan_stop functions are now nearly identical, so
they can be combined into a single function instead.
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>
We can only have one scan per type at the same time, so the code that
tries to stop several scans of a type is unnecessary. Remove that to
reduce code complexity.
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>
We can only have one scan of each type running at the same time, so we
can remove one attribute in the UID information we save. We had array
index, UID and type, but only UID (== array_index) and type are
necessary. Refactor the code to use this simplified array.
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>
Add support for scan priority API with 8 levels instead of the
existing 3 levels. This API is needed to define the priority of
new ooc activities, e.g. gscan.
Add a TLV flag to indicate if the new API is supported so that
devices that does not support the new API will continue to use
the old one.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Some LMAC specific functions had too generic names
(i.e. *_scan_offload_*) and were hard to distinguish from functions
that are really generic. Rename these functions to *_lmac_scan_* in
to make it more consistent and easier to read.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
For consistency with the LMAC functions, rename the UMAC scan stop
function to iwl_mvm_umac_scan_stop(). Additionally, move things
around a bit to avoid an unnecessary forward declaration.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
For UMAC scans, we were simply jumping into another function when scan
stop functions were called, while for LMAC scans, the flow continued.
To make the flows cleaner and more balanced, combine the UMAC part
into the main stop functions. This also makes us take one step closer
into combining the state flags for both APIs.
Note that some STOPPING flags will be dangling in UMAC scans, but it
doesn't matter because they are not used in UMAC yet (and this will be
fixed in subsequent patches).
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
It is not necessary to stop regular scans when going out of idle
state. Previously, we were doing so for LMAC scans because the
iwl_mvm_scan_offload_stop() function was stopping both kinds of scans.
Now that we have more granularity, we can skip it.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The iwl_mvm_scan_offload_stop() function is used to stop LMAC regular
scan, stop LMAC scheduled scan and stop UMAC scheduled scans (but not
UMAC regular scans), making it very difficult to read.
Reorganize the scan stopping functions by creating separate functions
to stop regular and scheduled scans, separating the LMAC stopping part
of the code from the rest and renaming the offload_stop function to
iwl_mvm_lmac_scan_stop().
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The commit below fixed this for the old firmware API only.
Since the new firmware API hasn't been released yet, this
doesn't fix anything on currently existing firmwares.
This completes:
commit afcee962b0
Author: Eyal Shapira <eyal@wizery.com>
Date: Mon Feb 9 15:18:17 2015 +0200
iwlwifi: mvm: fix BT coex shared antenna activity check
type=bugfix
bug=not-tracked
fixes=unknown
Reviewed-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The iwl_mvm_config_sched_scan_profiles() function is only used in
scan.c, so remove the declaration from mvm.h and make it static.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
After the scan refactor, the order of the SSIDs passed to the firmware
in all scans (including net-detect) are inverted. This was causing
the reporting code to use the wrong SSIDs. To fix this, invert the
array index when accessing the saved match SSIDs to report the
wake-up.
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>
Add UMAC scan iteration complete notification. This notification can
be enabled by setting scan_iter_notif_enabled through debugfs.
Upon receiving this notification, print the list of channels that
have been scanned in this iteration. This is useful for debugging.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When receiving scan iteration complete notification, print a list of
the channels that have been scanned in this iteration.
This is useful for debugging.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The BT_CONFIG command used to be very long, hence it was
allocated on the heap in the previous API. In the new API,
this command is much smaller, and can now safely be
allocated on the stack.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Since we don't need to configure the Ack / CTS kill mask
anymore in the new API, we don't need to iterate all the
interfaces upon rssi event on one of the interfaces.
Remove that code.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
There is no need to have separate definitions for the UMAC scan types,
since they are the same as the LMAC types. Remove UMAC scan types and
use the generic ones instead.
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>
In order to imeplement the extended VI session feature for Miracast, the FW
requires to detect the VI queue. The detection of the VI queue is done when
it is assigned to a STA with ADD_STA command, so by this time the FW expects
the queue to be already configured (mapped to VI AC and aggregation enabled).
Previously, the queue configuration was done after STA modificaton which
broke the extended VI session feature and resulted in higher latencies.
Fix this by calling iwl_mvm_enable_agg_txq before station modification.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
If the device fails to start correctly prior to loading the
regular runtime firmware (after having run the INIT firmware),
treat that error correctly by actually checking the return
value of _iwl_trans_start_hw() and stopping the device again
before returning an error.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
According to the nl80211 documentation, we can neither advertise
scheduled scan nor netdetect address randomisation. However, all
the products that currently require this don't have a need for
the full randomisation.
Therefore, advertise the feature anyway which results in host-
based randomisation, done whenever the system suspends. This is
sufficient for the platforms currently requiring this feature.
If we ever extend this in the future to do full randomisation in
the firmware, then certainly this will still be sufficient for
the current requirements, so it doesn't make a lot of sense to
split the feature bits.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Set a default NVM in case the userspace specifies a file
that doesn't match the hardware version. This allows not
to change the boot scripts when someone replaces the device
with a newer hardware step.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Add debugfs entry for showing the different Tx power restrictions that are
caused due to various reasons.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The transport modules all need to allocate memory and set up
certain values. Refactor that code into a new common function
to share it and to simplify the error handling.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The UMAC API supports multiple scan schedules, but now we use only a
single one. Change the comment to make this clear and avoid
confusion.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This removes the use of the two deprecated calls to the
macro PTR_RET in iwl_mvm_get_regdomain and replaces them
both to PTR_ERR_OR_ZERO.
Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
[Commit message editing]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The radio cfg DWORD was taken from the wrong place in the
8000 HW family, after a line in the code was wrongly changed
by mistake. This broke several 8260 devices.
Fixes: 5dd9c68a85 ("iwlwifi: drop support for early versions of 8000")
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The cmd_in_flight tracking was introduced to workaround faulty
power management hardware, by having the driver keep the NIC
awake as long as there are commands in flight. However, some of
the code handling this workaround was unconditionally executed,
which resulted with an inconsistent state where the driver assumed
that the NIC was awake although it wasn't.
Fix this by renaming 'cmd_in_flight' to 'cmd_hold_nic_awake' and
handling the NIC requested awake state only for hardwares for
which the workaround is needed.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Platform NVRAMs often contain values with spaces. Even if right now most
firmware-supported entries are simple values, we shouldn't reject these
with spaces. It was semi-confirmed by Broadcom in the early patch adding
support for platform NVRAMs.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This fixes brcmfmac dealing with NVRAM coming from platform e.g. from a
flash MTD partition. In such cases entries are separated by \0 instead
of \n which caused ignoring whole content after the first "comment".
While platform NVRAM doesn't usually contain comments, we switch to
COMMENT state after e.g. finding an unexpected char in key name.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
With a simple use of snprintf and small buffer we can compare NVRAM
entry value with a full string. This way we avoid checking random chars
at magic offsets.
Tested on BCM43602 with NVRAM hacked to use v1 format.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Comparing NVRAM entry with a full filtering string is simpler than
comparing it with a short prefix and then checking random chars at magic
offsets. The cost of snprintf relatively low, we execute it just once.
Tested on BCM43602 with NVRAM hacked to use V2 format.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add support for the simplest of MediaTek Wi-Fi devices - MT7601U.
It is a single stream bgn chip with no bells or whistles.
This driver is partially based on Felix's mt76 but IMHO it doesn't
make sense to merge the two right now because MT7601U is a design
somewhere between old Ralink devices and new Mediatek chips. There
wouldn't be all that much code sharing with the devices mt76 supports.
Situation may obviously change when someone decides to extend m76 with
support for the more recent USB dongles.
The driver supports only station mode. I'm hoping to add AP support
when time allows.
This driver sat on GitHub for quite a while and got some testing there:
http://github.com/kuba-moo/mt7601u
Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The fields of struct acpi_device are only known when CONFIG_ACPI is
defined. Fix this by using a helper function. This will resolve the
issue found in linux-next:
../brcmfmac/bcmsdh.c: In function 'brcmf_ops_sdio_probe':
../brcmfmac/bcmsdh.c:1139:7: error: dereferencing pointer to incomplete type
adev->flags.power_manageable = 0;
^
Fixes: f0992ace68 ("brcmfmac: prohibit ACPI power management ...")
Cc: Fu, Zhonghui <zhonghui.fu@linux.intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Most code already uses consts for the struct kernel_param_ops,
sweep the kernel for the last offending stragglers. Other than
include/linux/moduleparam.h and kernel/params.c all other changes
were generated with the following Coccinelle SmPL patch. Merge
conflicts between trees can be handled with Coccinelle.
In the future git could get Coccinelle merge support to deal with
patch --> fail --> grammar --> Coccinelle --> new patch conflicts
automatically for us on patches where the grammar is available and
the patch is of high confidence. Consider this a feature request.
Test compiled on x86_64 against:
* allnoconfig
* allmodconfig
* allyesconfig
@ const_found @
identifier ops;
@@
const struct kernel_param_ops ops = {
};
@ const_not_found depends on !const_found @
identifier ops;
@@
-struct kernel_param_ops ops = {
+const struct kernel_param_ops ops = {
};
Generated-by: Coccinelle SmPL
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Junio C Hamano <gitster@pobox.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: cocci@systeme.lip6.fr
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
commit b112889c5a ("iwlwifi: mvm: add Aux ROC request/response flow")
added aux ROC flow in addition to the existing ROC flow. While doing
it, it moved the ROC reference release to a common work item, which
is being called for both the ROC and aux ROC flows.
This resulted in invalid reference accounting, as no reference was
taken in case of aux ROC, while a reference was released on completion.
Fix it by adding a reference for the aux ROC as well, and release
only the relevant references on completion (according to the set bits).
While at it, convert cancel_work_sync() to flush_work(), in order
to make sure the references are being cleaned properly.
Fixes: b112889c5a ("iwlwifi: mvm: add Aux ROC request/response flow")
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
We should not call the iwl_pcie_set_pwr() functions in the
suspend/resume flows for family 8000, because the register used is
locked in devices from this family. Doing this causes an NMI
protection error (RT_NMI_INTERRUPT_PREG_PROTECTION).
To fix this, skip those calls if the device family is
IWL_DEVICE_FAMILY_8000.
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>
When we disconnect from the AP, drivers call cfg80211_disconnect().
This doesn't know whether the disconnection was initiated locally
or by the AP though, which can cause problems with the supplicant,
for example with WPS. This issue obviously doesn't show up with any
mac80211 based driver since mac80211 doesn't call this function.
Fix this by requiring drivers to indicate whether the disconnect is
locally generated or not. I've tried to update the drivers, but may
not have gotten the values correct, and some drivers may currently
not be able to report correct values. In case of doubt I left it at
false, which is the current behaviour.
For libertas, make adjustments as indicated by Dan Williams.
Reported-by: Matthieu Mauger <matthieux.mauger@intel.com>
Tested-by: Matthieu Mauger <matthieux.mauger@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
PCIe full dongle firmware can support a dma indices feature with which
firmware can update/fetch the read/write indices of message buffer
rings on both host to dongle and dongle to host directions. The support is
announced by firmware through shared flags.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
brcmf_dma_flush and brcmf_dma_invalidate_cache are not necessary and
have never been implemented.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
All pcie full dongle chips supported by fmac are using rev 5+ shared
structure. This patch removes the rev4 related code.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The tx flow worker in msgbuf gets scheduled at tx till a certain
threshold has been reached. Then the tx completes will take over
the scheduling. When amsdu and ampdu is used the frames are
transferred wireless in a very bulky fashion, in combination
with this scheduling algorithm and buffer limiters in the stack
this can result in limited throughput. This change causes the
flow worker to be scheduled more frequently from tx.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
As described in the device tree bindings for 'brcm,bcm4329-fmac'
nodes, the interrupts property is optional. So adding a check
for the presence of this property before attempting to parse
and map the interrupt. If not present or parsing fails return
and fallback to in-band sdio interrupt.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This would ensure dmesg logs are not spammed with "unknown mgmt frame
subtype" messages.
Reviewed-by: James Cameron <quozl@laptop.org>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch fixes typos in drivers/net/wirless/rtlwifi/Kconfig.
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[ar5008 and ar9002]_hw_spur_mitigate have big portion of identical code.
This patch will move common part of ar5008_hw_spur_mitigate to
ar5008_hw_cmn_spur_mitigate and reuse it in ar9002_hw_spur_mitigate.
As noticed by Joe Perches I reuse ar9002_hw_spur_mitigate (const) version of
declarations for pilot_mask_reg and chan_mask_reg.
There should be no other difference with original code.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Several of these drivers have there TX randomly blocked for 3~5 seconds while
measuring tx throughput (iperf). The root couse happens in rtl_pci_flush().
The function uses a while-loop to wait for TX queue length to decrease to 0.
The TX queue length counts the number of packets that are queued in the driver.
The driver relys on the TX OK interrupt to return skb and reduce TX queue length.
The interrupt subroutine disables interupts, reads the interrupt registers, and
then clears the registers in the beginning of _rtl_pci_interrupt(). After all
interupts process are finished, the driver invokes enable_interrupt() to enable
interupts. This behavior is normal for an interrupt subroutine.
But enable_interrupt() invokes clear_interrupt() again. This unexpected interrupt
clearing may cleari me fresh TX OK interrupts. These missing interrupts cause TX
queue length to never reduce to 0i, which causes rtl_pci_flush() to be stuck in
unterminated while-loop.
This patch removes clear_interrupt() in enable_interrupt() to avoid this behavior.
Signed-off-by: Vincent Fann <vincent_fann@realtek.com>
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> [3.18+]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The driver was not setting a channel plan. Now it gets it from EEPROM.
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The driver is converted to use the channel plan in the EEPROM.
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The driver was setting a channel plan for the world. Now it reads it fromi
EEPROM.
In addition, a typo was fixed.
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The driver was setting a channel plan for the world. Now it reads it from
EEPROM.
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Driver rtlwifi maintains its own regulatory information, The Chrome Autotest
(https://www.chromium.org/chromium-os/testing/autotest-user-doc)
showed some errors. This patch adds the necessary information for rtlwifi.
Signed-off-by: Shao Fu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
These are used like:
set_bit(WORK_LINK_UP, &priv->work_pending);
The problem is that set_bit() takes the actual bit number and not a mask
so static checkers get upset. It doesn't affect run time because we do
it consistently, but we may as well clean it up.
Fixes: 6010ce07a6 ('rndis_wlan: do link-down state change in worker thread')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
In d8a2c51cdc ('ath9k_htc: Use atomic operations for op_flags') we
changed things like this:
- if (priv->op_flags & OP_TSF_RESET) {
+ if (test_bit(OP_TSF_RESET, &priv->op_flags)) {
The problem is that test_bit() takes a bit number and not a mask. It
means that when we do:
set_bit(OP_TSF_RESET, &priv->op_flags);
Then it sets the (1 << 6) bit instead of the 6 bit so we are setting a
bit which is past the end of the unsigned long.
Fixes: d8a2c51cdc ('ath9k_htc: Use atomic operations for op_flags')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
gcc-5.0 gained a new warning in the fwsignal portion of the brcmfmac
driver:
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c: In function 'brcmf_fws_txs_process':
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c:1478:8: warning: 'skb' may be used uninitialized in this function [-Wmaybe-uninitialized]
This is a false positive, and marking the brcmf_fws_hanger_poppkt function
as 'static inline' makes the warning go away. I have checked the object
file output and while a little code gets moved around, the size of
the binary remains identical.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Return type of wait_for_completion_timeout is unsigned long not int.
An appropriately named unsigned long is added, and the assignments
as well as error checking fixed up.
API conformance testing for completions with coccinelle spatches are being
used to locate API usage inconsistencies:
./drivers/net/wireless/ath/carl9170/usb.c:675
int return assigned to unsigned long
Patch was compile tested with x86_64_defconfig + CONFIG_ATH_CARDS=m,
CONFIG_CARL9170=m
Patch is against 4.1-rc3 (localversion-next is -next-20150512)
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch changes all debug print functions from dev_dbg/dev_err/dev_info
to mwifiex specific debug functions.
Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch is to add support for data hexdump debug feature.
It is controlled by level debug_mask in adapter structure.
Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds support for debugging print control in mwifiex driver.
The debug level can be controlled via either by modules load parameter
debug_mask or by writing to debug_mask in debugfs file.
Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds support for FW memory read/write operations via debugfs.
This is useful during debugging FW issues.
Examples:
For reading FW memory location:
echo r 0x01ac > /sys/kernel/debug/mwifiex/mlan0/memrw
cat /sys/kernel/debug/mwifiex/mlan0/memrw
For writing FW memory location:
echo w 0x01ac 0x55aa > /sys/kernel/debug/mwifiex/mlan0/memrw
Signed-off-by: Chin-ran Lo <crlo@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
During usage of the new Bluetooth driver for Realtek devices, it was found
that BT scans were inhibited for the RTL8723BE when wireless was active. The
exact cause of this interference is not known yet, but a satisfactory work
around has been found that does not seem to have any visible side effects.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Shao Fu <shaofu@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The PCI cache line size value was being compared against decimal values
prefixed with 0x.
Fixed the literals to use the correct hex values.
This has not been tested due to lack of hardware. However, the value in
`cline` is PCI cache line size, which is the CPU's cache line size.
It is less likely for cache line sizes to be 22 or 50, and more likely for
them to be 16 or 32. Also, as far as I understand, cache line size is used for
things like aligning DMA requests with CPU cache line, which improve
performance but wouldn't break anything if the value doesn't match. In
this case, we will fall through to the default case which leaves `reg`
unchanged.
Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch fixes these checkpatch.pl errors around a single switch-case
block:
ERROR: switch and case should be at the same indent
ERROR: trailing statements should be on next line
More specifically, the fix has been applied to the five occurances of
the errors listed below.
ERROR: switch and case should be at the same indent
#1100: FILE: adm8211.c:1100:
+ switch (cline) {
[...]
+ default: reg |= (0x0 << 14);
ERROR: trailing statements should be on next line
#1101: FILE: adm8211.c:1101:
+ case 0x8: reg |= (0x1 << 14);
ERROR: trailing statements should be on next line
#1103: FILE: adm8211.c:1103:
+ case 0x16: reg |= (0x2 << 14);
ERROR: trailing statements should be on next line
#1105: FILE: adm8211.c:1105:
+ case 0x32: reg |= (0x3 << 14);
ERROR: trailing statements should be on next line
#1107: FILE: adm8211.c:1107:
+ default: reg |= (0x0 << 14);
Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
ACPI will manage WiFi chip's power state during suspend/resume
process on some tablet platforms(such as ASUS T100TA). This is
not supported by brcmfmac driver now, and the context of WiFi
chip will be damaged after resume. This patch informs ACPI not
to manage WiFi chip's power state.
Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
parameter "infra_mode" of rtl92c_init_beacon_max_error() is not used.
so i remove this.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Initialization routine set REG_BCN_MAX_ERR to 0xFF.
also _rtl92cu_set_media_status set REG_BCN_MAX_ERR to same value.
so i remove this code.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* enable channel 144 on 5 GHz
* enable Adaptive Noise Immunity (ANI) by default
* add Wake on Wireless LAN (WOW) patterns support
* add basic Tunneled Direct Link Setup (TDLS) support
* add multi-channel support for QCA6174
* enable IBSS RSN support
* enable Bluetooth Coexistance whenever firmware supports it
* add more versatile way to set bitrates used by the firmware
ath9k:
* spectral scan: add support for multiple FFT frames per report
iwlwifi:
* major rework of the scan code (Luca)
* some work on the thermal code (Chaya Rachel)
* some work on the firwmare debugging infrastructure
brcmfmac:
* SDIO suspend and resume fixes
* wiphy band info and changes in regulatory settings
* add support for BCM4324 SDIO and BCM4358 PCIe
* enable support of PCIe devices on router platforms (Hante)
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Merge tag 'wireless-drivers-next-for-davem-2015-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
ath10k:
* enable channel 144 on 5 GHz
* enable Adaptive Noise Immunity (ANI) by default
* add Wake on Wireless LAN (WOW) patterns support
* add basic Tunneled Direct Link Setup (TDLS) support
* add multi-channel support for QCA6174
* enable IBSS RSN support
* enable Bluetooth Coexistance whenever firmware supports it
* add more versatile way to set bitrates used by the firmware
ath9k:
* spectral scan: add support for multiple FFT frames per report
iwlwifi:
* major rework of the scan code (Luca)
* some work on the thermal code (Chaya Rachel)
* some work on the firwmare debugging infrastructure
brcmfmac:
* SDIO suspend and resume fixes
* wiphy band info and changes in regulatory settings
* add support for BCM4324 SDIO and BCM4358 PCIe
* enable support of PCIe devices on router platforms (Hante)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Some firmware revisions pad 4th hw address in
Native Wifi Rx decap. This is the case with 10.x
and it was assumed that this is true for all
firmware images.
However QCA988X with 999.999.0.636 and QCA61X4
with WLAN.RM.2.0-00088 don't have the padding.
Hence add a feature flag indicating that the
padding isn't present so firmware images can
advertise it appropriately. This way driver will
behave as it was before with old firmware blobs
and doesn't cause any regressions from user
perspective.
Effectively this patch enables QCA988X with
999.999.0.636 and QCA61X4 with WLAN.RM.2.0-00088
to set up client bridging provided user has an
updated firmware blob.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
By using SOC_WAKE register it is possible to bring
down power consumption of QCA61X4 from 36mA to
16mA when associated and idle.
Currently the sleep threshold/grace period is at a
very conservative value of 60ms.
Contrary to QCA61X4 the QCA988X firmware doesn't
have Rx/beacon filtering available for client mode
and SWBA events are used for beaconing in AP/IBSS
so the SoC needs to be woken up at least every
~100ms in most cases. This means that QCA988X
is at a disadvantage and the power consumption
won't drop as much as for QCA61X4.
Due to putting irq-safe spinlocks on every MMIO
read/write it is expected this can cause a little
performance regression on some systems. I haven't
done any thorough measurements but some of my
tests don't show any extreme degradation.
The patch removes some explicit pci_wake calls
that were added in 320e14b8db51aa ("ath10k: fix
some pci wake/sleep issues"). This is safe because
all MMIO accesses are now wrapped and the device
is woken up automatically if necessary.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
mac80211 can update vif powersave state while
disconnected. Firmware doesn't behave nicely and
consumes more power than necessary if PS is
disabled on a non-started vdev. Hence
force-enable PS for non-running vdevs.
This reduces power drain on QCA61X4 from 88mA to
36mA when interface is up and not associated.
QCA988X wasn't measured.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
It is actually safe to enable ASPM after the
device is booted up.
This reduces power drain of QCA61X4 when driver is
simply loaded (no interface is up) from 31mA to
14mA. QCA988X wasn't measured but doesn't seem to
regress in any other way.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Fix format specifier used for dma_addr_t, namely use %pad
Debug print virtual address for the same buffer as well.
Fixes: dc16427bbe ("wil6210: Add pmc debug mechanism memory management")
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* fix bad APMG configuration for 8000 (no AMPG on these devices)
* fix MAC address assignment for 8000
* fix firmware debugging triggers (MLME)
* fix several bugs in low power states code (net-detect,
d0i3)
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Merge tag 'iwlwifi-for-kalle-2015-05-21' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
* fix firmware name and other things to enable 3165
* fix bad APMG configuration for 8000 (no AMPG on these devices)
* fix MAC address assignment for 8000
* fix firmware debugging triggers (MLME)
* fix several bugs in low power states code (net-detect,
d0i3)
qos_seq points (to a struct) inside the command response data.
Make sure to free the response only after qos_seq is not
needed anymore.
Reported-by: Heng Luo <heng.luo@intel.com>
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
There are buses that can't handle ASYNC command without
copying them. Duplicate the host command instead.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Take the MAC address from the OTP even if one is present in
the NVM, if that MAC address happens to be a reserved one.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
fw_status is the only pointer pointing to a block of memory
allocated above and should be freed after use.
Note: this come from Klockwork static analyzer.
Cc: stable@vger.kernel.org [3.19+]
Fixes: 2021a89d7b ("iwlwifi: mvm: treat netdetect wake up separately")
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
A few triggers have status = MLME_SUCCESS and they are still
interesting. E.g. if we want to collect data upon deauth,
the status will be MLME_SUCCESS. Fix that.
Fixes: d42f535034 ("iwlwifi: mvm: add trigger for firmware dump upon MLME failures")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Disabling the clocks is a standard procedure while stopping the
device. On family 8000 however, disabling the bus master DMA clock
increases the NIC's power consumption.
To fix this, skip this call if the device family is
IWL_DEVICE_FAMILY_8000.
Signed-off-by: Avri Altman <avri.altman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
3165 really needs to load iwlwifi-7265D-13.ucode. This
device is supported starting from -13.ucode, update the
MIN and OK defines accordingly. While at it, add 3165 to
the device list in the Kconfig file.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Four minor merge conflicts:
1) qca_spi.c renamed the local variable used for the SPI device
from spi_device to spi, meanwhile the spi_set_drvdata() call
got moved further up in the probe function.
2) Two changes were both adding new members to codel params
structure, and thus we had overlapping changes to the
initializer function.
3) 'net' was making a fix to sk_release_kernel() which is
completely removed in 'net-next'.
4) In net_namespace.c, the rtnl_net_fill() call for GET operations
had the command value fixed, meanwhile 'net-next' adjusted the
argument signature a bit.
This also matches example merge resolutions posted by Stephen
Rothwell over the past two days.
Signed-off-by: David S. Miller <davem@davemloft.net>
Rx clear count reported in wmi_chan_info_event is actually channel_busy_count
not rx_frame_count. Send rx_clear_count through time_busy of survey_info
and set SURVEY_INFO_TIME_BUSY in filled.
iw wlan0 survey dump
urvey data from wlan0
frequency: 5180 MHz [in use]
noise: -103 dBm
channel active time: 150 ms
channel busy time: 22 ms
Survey data from wlan0
frequency: 5200 MHz
noise: -102 dBm
channel active time: 146 ms
channel busy time: 0 ms
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Spectral scan supported by ath10k has capability to monitor and report
through whole bands and channels, but current buffer size is too small
to save reported spectral scan data.
This results in dropping 5G channel reports at all when dual band card
is used, so that users are not able to analyze spectral environments.
Hence increase the buffer size to fix the problem.
A spectral data size is vary based on the number of bins, so the unit
buffer size, 1140, is chose to minimize relay buffer fragmentation.
The total buffer size is also chose in tradeoff with spectral scan
support vs. kernel memory consumption.
Since theoretical maximum buffer size, 9.5MB, can be consumed with
512 bins in dual bands, we target to cover up to 128 bins for all
channels in dual bands and due to the buffer size limitation,
spectral scan with bin number bigger than 128 needs to be run on
single band each.
Signed-off-by: Peter Oh <poh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
There are devices that forbid MIMO by the mean of the NVM.
Detect thoses devices and forbid MIMO otherwise the firmware
would crash. STBC is still allowed on these devices.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
a lot of small fixes and cleanups, the bigger items are:
* proper mac80211 rate control locking, to fix some random crashes
(this required changing other locking as well)
* mac80211 "fast-xmit", a mechanism to reduce, in most cases, the
amount of code we execute while going from ndo_start_xmit() to
the driver
* this also clears the way for properly supporting S/G and checksum
and segmentation offloads
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Merge tag 'mac80211-next-for-davem-2015-05-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Lots of updates for net-next for this cycle. As usual, we have
a lot of small fixes and cleanups, the bigger items are:
* proper mac80211 rate control locking, to fix some random crashes
(this required changing other locking as well)
* mac80211 "fast-xmit", a mechanism to reduce, in most cases, the
amount of code we execute while going from ndo_start_xmit() to
the driver
* this also clears the way for properly supporting S/G and checksum
and segmentation offloads
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This prevents silence failures with driver waiting (infinitely) for a
callback.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
"flowrings" and "*flowrings" are both pointers so this always returns
sizeof(void *) and the current code works fine. But "*flowrings" is
intended here and static checkers complain, so lets change it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
If the wl18xx-conf.bin file is missing or invalid (e.g. due
to recent driver change), fallback to default configuration
instead of failing driver load.
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
cfg80211 would complain about invalid AID in during TDLS setup.
This was happening because we use same AID value as provide by AP
while forming setup messages.
Parse AID from Association response and filter BIT14 and BIT15
of AID to get valid AID.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
wait_event_interruptible_timeout() returns 0 upon timeout. We should
convert it to a negative error code (such as -ETIMEDOUT) instead of
returning it directly, as return code of 0 indicates that command was
executed.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Normal FFT reports generate a LOT of data, to save resources
enable short repeat by default also on ath9k_htc (it's already
enabled by default on ath9k). This can always be changed from
userspace if needed.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
E/M noise is a pretty good source of entropy so we mix the FFT
measurements of the E/M spectrum to /dev/random pool. Note that
this doesn't increase the pool's entropy count but it still helps
on improving the output of /dev/(u)random.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Temp buffer is only used for fixing malformed frames, there is no
need to memset it every time.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
There is no reason to keep processing FFT reports if there is no
space left on the relayfs buffers for the results. This saves
lots of CPU cycles, especially on normal (non-short) reports.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
No need to copy the frame to the temporary buffer when its length
is ok.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Since we have lots of frames on a normal FFT report don't bother
processing the malformed ones. Only try to fix malformed frames
in case of a short FFT report (only a single frame on the report).
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Since we can identify the FFT frames on the report by checking the
consistency of their magnitude info, we can process all of them,
even when some of them are corrupted.
This patch introduces two functions to quickly verify the integrity
of the mag_info fields and some further tweaks to detect the frames
in the report and process them.
Note that in case of missing bytes we don't duplicate them, instead
we leave them as zeroes. This way we get less noise on the FFT plot.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
a) Check that the maximum magnitude is at the specified index
b) Check if the maximum magnitude index is at dc_pos and if so
calculate a new one (value at dc_pos is invalid)
c) Check if the specified maximum magnitude is indeed the maximum
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Since more checks and fixes will be added later and ath_cmn_process_fft is
already big enough.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Maximum magnitude index is a 5bit signed integer,
convert to an 8bit signed integer and then "shift" it so that it can be used
as an array index. Note that the current implementation adds +1 to the index
value (so it can't be used as an array index) and it's only valid for HT20
channels.
Note that the maximum magnitude index is not being used by
the userspace tools that parse FFT samples (they just use
maximum magnitude) so this doesn't break userspace compatibility.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
FFT spectral scan is a functionality that makes sense to have its own
debug flag.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* Interrupt request need to happen when the wilink chip is powered on and
driving the wlan_irq line. This avoids spurious interrupt issues that
are a result of different external pulls configuration on different
platforms
* Allow working with wl18xx level-low and falling edge irqs by configuring
wl18xx to invert the device interrupt
Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch fix some spelling typo in drivers/net/wirless
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
We will reset more_task_flag at the end of main process
routine. This optimization will help to remove spinlock
operations at couple of places in the code.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
With PCIE it is possible to support multiple devices with the
same device type. They all load the same nvram file. In order to
support this the nvram can specify which part of the nvram is
for which pcie device. This patch adds support for these new
types of nvram files.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds support for the BCM4358 2x2 11ac device.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
commit 330b4e4be9 ("brcmfmac: Add wowl support for SDIO devices.")
changed the behaviour by removing the MMC_PM_KEEP_POWER flag for
non-wowl scenario, which needs to be restored. Another necessary
change is to mark the card as being non-removable. With this in place
the suspend resume test passes successfully doing:
# echo devices > /sys/power/pm_test
# echo mem > /sys/power/state
Note that power may still be switched off when system is going
in S3 state.
Reported-by: Fu, Zhonghui <<zhonghui.fu@linux.intel.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
When the sdio bus state is not ready to process we abort the
interrupt service routine. This is not wanted as it keeps the
interrupt source active. Better clear the interrupt source.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds support for the BCM4324 B5 revision. This device
is similar to BCM43241 from driver and firmware perspective. It
is known to be used in Lenovo Thinkpad Tablet devices.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The scheduled scan support depends on firmware supporting the PNO
feature. This feature is optional so add a feature flag for this
in the driver and announce scheduled scan support accordingly.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Some feature flags were not described in the header file. Adding
the description.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
When change the country code the available channels may change. So
the wiphy bands should be updated accordingly.
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The driver was constructing a list of channels per wiphy band
by querying the device. This list is not what the hardware is
able to do as it is already filtered by the country setting in
the device. As user-space may change the country this would
require updating the channel list which is not recommended [1].
This patch introduces a superset of channels. The individual
channels are disabled appropriately by querying the device.
[1] http://mid.gmane.org/1426706320.3001.21.camel@sipsolutions.net
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch fixes an issue where it was discovered that driver is setting
invalid HT IEs to FW. This was happening because bug in parsing HT IE.
Driver would incorrectly point to start of HT IE while FW only needs actual
HT configuration - excluding EID and length.
Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch reverts 'commit c5534844cd ("mwifiex:
enable aggregation for TID 6 and 7 streams")'.
TID6 & TID7 is voice traffic which is quite time sensitive.
Do not enable any type of aggregation on these TIDs.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* some work on the thermal code (Chaya Rachel)
* some work on the firwmare debugging infrastructure
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Merge tag 'iwlwifi-next-for-kalle-2015-05-03' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* major rework of the scan code (Luca)
* some work on the thermal code (Chaya Rachel)
* some work on the firwmare debugging infrastructure
The GO_CONCURRENT regulatory definition can be extended to station
interfaces requesting to IR as part of TDLS off-channel operations.
Rename the GO_CONCURRENT flag to IR_CONCURRENT and allow the added
use-case.
Change internal users of GO_CONCURRENT to use the new definition.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Declare that MCS 0-9 are supported for all Rx chains.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Previously, VHT capabilities and supported MCSs where set for all
bands, although VHT is only allowed on 5.2 GHz band. Fix it.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Extend the function to read the TKIP IV32/IV16 to read the IV/PN for
all ciphers in order to allow drivers with full hardware crypto to
properly support this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is just a code cleanup, make the LED trigger names const
as they're not expected to be modified by drivers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
WSC connection is secure (privacy bit set in various frames)
but authentication suite, keys etc. are absent.
Support this mode in the connect WMI command. Detect WSC by
having 'sme->privacy' and no RSN IE. Inform firmware about WSC
session by setting dot11_auth_mode to WMI_AUTH11_WSC.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Introduce 2 types of GTK, Tx (for this STA) and Rx (for each peer).
Now, AP has only Tx GTK, STA - only Rx one. PBSS not supported yet;
for it, continue using pseudo-DMS.
Handle per-vring .1x state, update it from WMI_VRING_EN_EVENTID
event. This allows unification for unicast and broadcast vrings.
This mechanism replaces former per-CID "data_port_open"
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Johannes Berg