The PCI pool API is deprecated. This commit replaces the PCI pool old
API by the appropriate function with the DMA pool API.
Signed-off-by: NRomain Perier <romain.perier@collabora.com>
Reviewed-by: NPeter Senna Tschudin <peter.senna@collabora.com>
Acked-by: NStanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Trivial fix to spelling mistake in RT_TRACE message
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Check memory allocation failure and return -ENOMEM in such a case, as
already done a few lines below.

As 'dev->tx_q' can be NULL, we also need to check for that in
'mt7601u_free_tx()', and return early.
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: NJakub Kicinski <kubakici@wp.pl>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

This is a static checker fix.  "cal_num" is 10.  We're declaring the
tx_dt[] and rx_td[] arrays as 3 element arrays.  The static checker
complains that we do:

	tx_dt[cal] = (vdf_y[1]>>20)-(vdf_y[0]>>20);

"cal" is the iterator and it is in the 0-9 range so it looks like
we could corrupt memory.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Acked-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Refactor code in order to avoid identical code for different branches.

This issue was detected with the help of Coccinelle.

Addresses-Coverity-ID: 1415177
Signed-off-by: NGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

The following commits:
commit c815fdeb ("wlcore: spi: Populate config firmware data")
commit d776fc86 ("wlcore: sdio: Populate config firmware data")

Populated the nvs entry for wilink6 and wilink7 only while it is
still needed for wilink8 as well.
This broke user space backward compatibility when upgrading from older
kernels, as the alternate mac address would not be read from the nvs that
is present in the file system (lib/firmware/ti-connectivity/wl1271-nvs.bin)
causing mac address change of the wlan interface.

This patch fix this and update the structure field with the same default
nvs file name that has been used before.

In addition, some distros hold a default wl1271-nvs.bin in the file
system with a bogus mac address (deadbeef...) that overrides the mac
address that is stored inside the device.
Warn users about this bogus mac address and use the internal mac address

Fixes: c815fdeb ("wlcore: spi: Populate config firmware data")
Fixes: d776fc86 ("wlcore: sdio: Populate config firmware data")
Signed-off-by: NEyal Reizer <eyalr@ti.com>
Reviewed-by: NSebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

ath.git patches for 4.14. Major changes:

ath10k

* initial UBS bus support (no full support yet)

* add tdls support for 10.4 firmware

ath9k

* add Dell Wireless 1802

wil6210

* support FW RSSI reporting

Merge tag 'iwlwifi-next-for-kalle-2017-08-18' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

Third set of iwlwifi patches for 4.14

* Work for the upcoming A000 device family continues;
* Improvements in debugging;
* A couple of improvements in block-ack sessions;
* Some fixes for channel switch;
* A workaround for a HW data bug;
* Some FW API updates;
* General fixes and cleanups here and there.

Unlike the other sections of the NVM, the hw section is in big-endian.
To read a value from it, we had to cast it to __be16.  Fix that by
using __be16 * for the entire section.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

At this point we have already copied the cfg pointer to mvm and we
have been dereferencing this pointer many times before, so it will
never be NULL or we would have crashed.  Remove the useless check.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

We always call iwl_nvm_init() with read_nvm_from_nic == true, so this
argument is useless.  Remove it.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

We read the regulatory.lar_enabled field in iwl_fw_get_nvm() and store
it in nvm->lar_enabled, taking care of endianness.  But then later we
read it again to pass the value to iwl_init_sbands() without handling
endianness.  To solve this, simply reuse nvm->lar_enabled when calling
that function.

Fixes: e9e1ba3d ("iwlwifi: mvm: support getting nvm data from firmware")
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

The OTP in some SKUs have erroneously allowed 40MHz and 80MHz channels
in the 5.2GHz band.  The firmware has been modified to not allow this
in those SKUs, so the driver needs to do the same otherwise the
firmware will assert when we try to use it.

Cc: stable@vger.kernel.org
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

Tx BA session should be started according to the current throughput
without any dependence on the internal rate scaling state. The criteria
for opening a BA session will be 10 frames per second.

Sending frequent del BAs can cause inter-op issues with some APs. We'll
not close a BA session until we receive an explicit del BA from the
peer.
Signed-off-by: NGregory Greenman <gregory.greenman@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

There are some new flags in the channel flags that we don't know
about.  Also, the "WIDE" flag is very confusing, because it actually
means 20MHz bandwidth, which is not very wide.

Add the new flags and rename the confusing one.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

We have a new PCI subsystem ID for 7265D.  Add it to the list.

Cc: stable@vger.kernel.org
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

Newer versions of A000 devices come with two diffenent RF modules.
The PCI_ID, the subsystem ID and the RF ID are identical in these two cases,
so we need to differentiate them by using the CSR_HW_RF_ID register-
in order to load the appropriate firmware.
Signed-off-by: NTzipi Peres <tzipi.peres@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

The code did not consider the case that the channel switch counter
is <= 1, which would result with an inaccurate calculation of the
time event apply time.

As the specification states that in case of counter == 0 the switch
occurs at any time after the reception the frame, and for counter == 1
the switch would happens before the next TBTT, schedule the time
event immediately.
Signed-off-by: NIlan Peer <ilan.peer@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

These messages are not reporting a real error, just the fact that the
firmware knows about more flags than the driver.

Currently these messages are presented to the user during boot if there
is no bootsplash covering the console, even when booting the kernel with
"quiet".

Demoting it to the warn level helps having a clean boot process.
Signed-off-by: NJoão Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

Move the BT_MBOX_PRINT() macro from mvm/debugfs.c to fw/api/coex.h so
it can be reused and remove duplicate definition of BT_MBOX_MSG(),
keeping only the one already in coex.h.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

When we flush a queue, the packets will have a 'failed'
status but we shouldn't send a BAR. This check was missing.
Because of that, when we got an ampdu_action with
IEEE80211_AMPDU_TX_STOP_FLUSH, we started the following
ping pong with the firmware:

1) Set the station as 'draining'
2) Get a failed Tx status (DRAINED)
3) Send a BAR because of the failed Tx status

(loop of 2 and 3)

This loop wasn't endless since the BAR isn't sent on a
queue that would trigger a "nested" BAR.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

If a time event is already scheduled when trying to schedule one for
channel switch, the code assumes the channel switch is already
scheduled and no further action is required.
However, it is possible that the scheduled time event is actually
for session protection (e.g. when the first beacon after association
contains the CSA IE). In this case the channel switch will not be
scheduled which will finally lead to disconnection.

Fix this by removing the old time event and schduling a new one for
the channel switch.
Signed-off-by: NAvraham Stern <avraham.stern@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

The firmware team is now re-using a bit that hasn't been
used for a few generations. Re-use for TX_ON_AIR drop.
This bit will be set by the firmware to indicate that
a frame in an A-MPDU was dropped but not because of the
already mapped reasons.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

We use mvmsta for the sta->drv_priv in mvm, but in rs.c we have a
bunch of instances using sta_priv, which is probably due to it being
copied from dvm.  Change all occurrences to mvmsta for consistency
with the rest of the driver
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

We have some of the SAR dummy functions when ACPI is not set declared
in mvm.h and some declared in fw.c.  Group them all together in fw.c
for consistency and to avoid static/non-static issues.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

When we get a valid baid in a received frame, we need to
check that we are aware of this baid. If not, we check
that the OLD_SN bit set. If that's not the case, we issue
a WARNING. Print more data when that happens.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

This name was missing in the list.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

This allows to modify TFD_TX_CMD_SLOTS to a power of 2
which is smaller than 256.
Note that we still need to set values to wrap at 256
into the scheduler's write pointer, but all the rest of
the code can use shorter transmit queues.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

The firmware now adds more information about time sharing
with the Bluetooth core.
Adapt the API structures and add the new fields in the
debugfs hooks.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

The iwl_wait_notification() function removes the wait entry from the
list.  To make it clearer that it's doing the same thing as
iwl_remove_notification(), call the latter instead of having duplicate
code.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

There's no need to differentiate an INIT that ended early because of
RFKILL from one that succeded.  Additionally, if INIT fails later,
during calibration, due to RFKILL, we can just return success and
continue as if we were already in RFKILL to start with.

Remove this unnecessary differentiation and do some other small
clean-ups while at it.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

The corunning block was supposed to help in coex scenarios.
It required the driver to configure the firmware based on
the coupling between the two antennas of the devices.
This was never in use and the configuration sent by the
driver has always been blank.
Remove all that code.
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

Station id should be set in load key frame configured to device.
For WEP mode, key is configured once from mac80211. This key is
saved and configured to device every time a station is connected.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

TX command frame ampdu aggregation parameters is updated to
include sta_id for AP mode.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Auto rate frame is sent to firmware when a new station is
connected. Station id and station's ht capabilities are updated
in auto rate command frame.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

TX command frame auto rate request is modified to use common
descriptor struture.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Station id needs to be get for data and management frames
to fill in the descruptor for AP mode. Few other changes
related to AP mode are covered here.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

When sta_remove of mac80211 is called, driver iterates through
list of existing stations to get the station id. Then peer notify
is prepared and send to firmare.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Station structures are maintained in driver with required
fields. When mac80211 callback sta_add is called, driver
iterates through list of connected stations to check available
index and assigns station id which is important for further
communication to that station. Then peer notify frame is send
to firmware to inform the firmware about new station connection.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

Mac80211 config parameter BEACON_ENABLE is handled. When VAP
capabilities frame with AP mode is configured to firmware, beacon
events start coming to host at each PreTBTT. At this time, beacon
is taken from mac80211, descriptor is prepared and send to firmware.
Signed-off-by: NPrameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: NAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>