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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>
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>
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>
We will be able to add more events, such as MLME events and
others. The low level driver may be interested in knowing
about these events to dump firmware data upon failures, or
to change parameters in case connection attempts fail etc...
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In this routine, kzalloc allocates a memory block. This allocation is
freed in the error paths, but not in the normal exit, thus the allocation
is leaked.
The kmemleak facility was used to find the leak.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Intel Linux Wireless <ilw@linux.intel.com>
Conflicts:
drivers/net/ethernet/emulex/benet/be_main.c
net/core/sysctl_net_core.c
net/ipv4/inet_diag.c
The be_main.c conflict resolution was really tricky. The conflict
hunks generated by GIT were very unhelpful, to say the least. It
split functions in half and moved them around, when the real actual
conflict only existed solely inside of one function, that being
be_map_pci_bars().
So instead, to resolve this, I checked out be_main.c from the top
of net-next, then I applied the be_main.c changes from 'net' since
the last time I merged. And this worked beautifully.
The inet_diag.c and sysctl_net_core.c conflicts were simple
overlapping changes, and were easily to resolve.
Signed-off-by: David S. Miller <davem@davemloft.net>
The firmware frequently manages to trigger this, and there's
no known driver workaround, so stop warning.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When the driver callback returns that it's out of space for new
stations, the mac80211 IBSS code still keeps the station so it
doesn't try to add it over and over again.
Since the rate scaling algorithm is separate in mac80211, it also
invokes the rate scaling algorithm for such stations. It doesn't
know that our rate scaling algorithm is tightly integrated with
the MVM code and relies on those data structures, and it cannot
as the abstraction doesn't allow for it.
This leads to crashes when the rate scaling algorithm tries to
use uninitialized data, notably the mvmsta->vif pointer.
Protect against this in the rate scaling algorithm. We cannot get
good rates with such peers anyway since the firmware cannot do
anything with them.
This should fix https://bugzilla.kernel.org/show_bug.cgi?id=93461
CC: <stable@vger.kernel.org>
Reported-by: Richard Taylor <rjt-kernel@thegrindstone.me.uk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The assumption before this patch was that we don't need to
run again the INIT firmware after the system booted. The
INIT firmware runs calibrations which impact the physical
layer's behavior.
Users reported that it may be helpful to run these
calibrations again every time the interface is brought up.
The penatly is minimal, since the calibrations run fast.
This fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=94341
CC: <stable@vger.kernel.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* 8000 device family work
* Update to the BT Coex firmware API
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Merge tag 'iwlwifi-next-for-kalle-2015-03-12' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* Location Aware Regulatory was added by Arik
* 8000 device family work
* Update to the BT Coex firmware API
The return value in iwl_mvm_get_wakeup_status() is a bit unclear in
that it's not obvious that we don't leak fw_status in some cases.
Use fw_status directly with ERR_PTR() and return only it, that way
the compiler has a chance of proving that it's uninitialized (if it
ever is due to new changes.)
Additionally, this removes a smatch warning since smatch couldn't
figure out that fw_status can't, in fact, leak here.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When IWLWIFI_DEBUGFS is not set, we should not unlock the mutex after
calling iwl_mvm_query_wakeup_reasons(), because this function unlocks
it already. Move the goto out_iterate outside the #ifdef.
Change-Id: I13d86402aecf0eeec44b1abbe2b244fbc706a5eb
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
The code here is a little confusing, the iwl_mvm_te_check_disconnect()
will check that the interface is a station, but going into it after
already having processed the time even end for P2P seems strange at
first look.
Put a switch statement there to distinguish the interface types and
make this more readable.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
We previously enabled the smart FIFO (SF) in BSS only after
association.
This cause interrupt latency on P2P on certain devices.
Change the working model to enable the SF all the time and
play with the timeout values based on the association state.
This change was not tested on older firwmares, so make it
happen only on -13.ucode and up.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
More sub system IDs were introduced for the 8260 series.
Add the new sub system IDs so the cards can be recognized.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The firmware was not using the new API, so we don't need to
differentiate between the different stages of this new API.
The main difference here is that most of the hard coded
values are not sent through the command anymore.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The newer devices will enable a new register for this
(DEVICE_SET_NMI_8000B_REG), but the interrupt handler
isn't wired yet.
Keep the old register for now.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When a station goes to sleep, we can't transmit any frame
to it. This means that until that station will wake up, a
queue that is dedicated to this station won't progress at
all. Take this into account when monitoring stuck queues
and don't account for the time the station was asleep.
This allows to mask false positives where the queues are
stuck not because of a bug, but because of the station
being asleep.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This allows the op_mode to let the transport know that a
queue is currently frozen and that its timer should be
stopped.
When the queue is unfrozen, its timer should be set to
expire after the remainder of the timeout has elapsed.
This can be used when stations go to sleep. When a station
goes to sleep, the op_mode can freeze the timer so that the
queue will never be considered as stuck. When the station
wakes up, the queue will be unfrozen.
This is meant to avoid false positives that would happen if
a buggy station goes to sleep for a very long time. In case
we have a dedicated queue for this station (BA agreement)
and it goes to sleep for a very long time, the queue would
rightfully be stopped during all that time. In this case,
the stuck queue timer could fire and that would be a false
positive.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
The Tx statistics weren't updated when using fixed rate for
debugging. Fix this as Tx statistics are useful in this use case.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
RTNL is not taken during CT-kill so regulatory APIs cannot be invoked.
That's fine, since the HW is only brought up to check the temperature
during CT-kill. We don't expect Tx or scanning.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When using IBSS, it's easily possible to exhaust the number
of available stations in the driver, so don't warn on it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When we load the firmware for the 8000 B step device, it'll
verify its signature. In the current version of the
hardware, there can be a race between the WiFi firmware
being loaded and the Bluetooth firmware being loaded.
Check that WiFi is authenticated, if not, take ownership
on the authentication machine to make sure that the WiFi
firmware will be authenticated.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
New sub system IDs were introduced for the 8260 series.
This patch adds them so new 8260 cards can be recognized.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Make the print a bit more readable.
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
If the FW returns an invalid channels count in response to an MCC request,
make sure we don't reference invalid indices in the channels array.
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>
When entering D0i3, the MVM mutex cannot be grabbed. This interferes
with the calculation of the number of connected TDLS stations during
the setup of the power cmd.
The goal is to disable power saving for all vifs while any TDLS station
is connected. For this purpose it is enough to keep the pm_enabled
member of all mvmvifs as false. An update of the power state already
occurs when a TDLS station is added/removed, so the values are correctly
updated.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
New NVM versions in LnP platforms have the lar_enable bits in a different
offset.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
We don't need to acquire MAC access for each access, it
makes much more sense to keep the MAC access. This speeds
up the Tx DMA stop flow significantly.
Moreover, if one channel can't be stopped, stop the others
but don't poll for them to avoid being stuck there for a
long time.
This solves a situation in which we were stuck in that flow
for way too long with a spinlock held which led to a kernel
panic.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
In-order to recognize newer step of the device, the driver
must read the chip_version_id from the AUX bus MISC address
space. This will determine what firmware file will be
loaded.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When we associate we always need to update the quotas. This
fixes a bug for cases in which quotas weren't udapted after
association.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When moving to the D3 FW give it the valid MCC from the D0 FW. When
returning from D3 to D0, query the D3 FW for the latest MCC, as
it might have changed internally. This MCC will be replayed to the D0 FW
when it boots.
Signed-off-by: Jonathan Doron <jonathanx.doron@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
When booting the card, check for a dedicated regulatory ACPI entry. If
such exists, read it and give the information to FW with the appropriate
source.
Signed-off-by: Jonathan Doron <jonathanx.doron@intel.com>
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
For some configurations, the driver should get the MAC
address from the hardware registers and not from the
regular locations. Since the parsing of the MAC address
is the same regardless of its source, continue the regular
code path (parsing) after we read the registers.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This module parameter is useful for debugging NVM and LAR related issues.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Starting from family 8000 B0 step the radio_cfg parameters
and the get_sku parameters moved from SW section to PHY_SKU section.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
11ac depends on 11n, so disable it if 11n is disabled.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
If LAR is supported in TLV, but the NVM does not enable it, then disable
LAR support and ignore the TLV's bit that enabled LAR.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
max_eirp affects the txpower configured to the power,
so use the max tx power (22) instead of some other
value.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
