Commit Graph

24072 Commits

Author SHA1 Message Date
Kalle Valo
f9ead9beef * Fix support for 3168 device
+ NVM version
         + firmware file name
         + device IDs
 * Fix a compilation warning in dvm calibration code
 * Fix the TPC (reduced Tx Power) code. This fixes performance issues
 * Device IDs for 8265
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Merge tag 'iwlwifi-for-kalle-2016-01-26_2' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

* Fix support for 3168 device
        + NVM version
        + firmware file name
        + device IDs
* Fix a compilation warning in dvm calibration code
* Fix the TPC (reduced Tx Power) code. This fixes performance issues
* Device IDs for 8265
2016-01-27 14:19:18 +02:00
Miaoqing Pan
466b0f0208 ath9k: fix data bus error on ar9300 and ar9580
One crash issue be found on ar9300: RTC_RC reg read leads crash, leading
the data bus error, due to RTC_RC reg write not happen properly.

Warm Reset trigger in continuous beacon stuck for one of the customer for
other chip, noticed the MAC was stuck in RTC reset. After analysis noticed
DMA did not complete when RTC was put in reset.

So, before resetting the MAC need to make sure there are no pending DMA
transactions because this reset does not reset all parts of the chip.

The 12th and 11th bit of MAC _DMA_CFG register used to do that.
	12 cfg_halt_ack 0x0
		0 DMA has not yet halted
		1 DMA has halted
	11 cfg_halt_req 0x0
		0 DMA logic operates normally
		1 Request DMA logic to stop so software can reset the MAC

The Bit [12] of this register indicates when the halt has taken effect or
not. the DMA halt IS NOT recoverable; once software sets bit [11] to
request a DMA halt, software must wait for bit [12] to be set and reset
the MAC.

So, the same thing we implemented for ar9580 chip.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:39 +02:00
Miaoqing Pan
1542bc3784 ath9k: fix inconsistent use of tab and space in indentation
Minor changes for indenting.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:39 +02:00
Miaoqing Pan
3f6cc4e57d ath9k: do not reset while BB panic(0x4000409) on ar9561
BB panic(0x4000409) observed while AP enabling/disabling
bursting.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Miaoqing Pan
66b533d5ad ath9k: clean up ANI per-channel pointer checking
commit c24bd3620c ("ath9k: Do not maintain ANI state per-channel")
removed per-channel handling, the code to check 'curchan' also
should be removed as never used.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Miaoqing Pan
c1cab1df9b ath9k: avoid ANI restart if no trigger
Fixes commit 54da20d83f ("ath9k_hw: improve ANI processing and rx desensitizing parameters")

Call ath9k_ani_restart() only when the phy error rate reach the
ANI immunity threshold. Sync the logic with internal code base.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Geert Uytterhoeven
344cd850b5 ath9k: Drop useless const on chanctx_event_delta() return type
drivers/net/wireless/ath/ath9k/channel.c:230: warning: type qualifiers ignored on function return type

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Felix Fietkau
424aecaa79 ath9k_hw: add low power tx gain table for AR953x
Used in some newer TP-Link AR9533 devices.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Maya Erez
0916d9f2b6 wil6210: handle multiple connect/disconnect events
In the current solution wil6210 configures the vring in a worker
and holds only one pending CID. This implementation may lead to
race conditions between connect and disconnect events of multiple
stations or fast connect/disconnect events of the same station.

In order to allow the removal of the connect worker and handling of
WMI_VRING_CFG_DONE_EVENTID in the connect event, the WMI replies
that provide the reply in a given buffer needs to be handled
immediately in the WMI event interrupt thread.
To prevent deadlocks, WMI replies that requires additional
handling are still handled via the events list.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Maya Erez
b729aaf066 wil6210: find TX vring only if vring_tx_data is enabled
In TX vring allocation, vring_tx->va is allocated before WMI command to
configure the vring is sent to the device. As the WMI command can take
time to complete, it can lead to scenarios where vring_tx->va is not NULL
but vring is still not enabled.

This patch adds a check that vring_tx_data is enabled before returning
a valid TX vring.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Maya Erez
640751ac30 wil6210: handle tx completions only if vring tx data is enabled
wil_vring_fini_tx is called in disconnect in order to free the
allocated vrings.
wil_vring_fini_tx is disabling the vring_tx_data before napi_synchronize
is called in order to avoid the tx handling of this vring, while
wil_vring_free is called only after napi finished the current handling
of the tx completed packets.
Due to that, in case of disconnect, wil6210_netdev_poll_tx can be called
when vring->va is not NULL but vring_tx_data[i]->enabled is already
disabled.

This patch checks vring_tx_data[i]->enabled in wil6210_netdev_poll_tx
to prevent handling of disabled vrings.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Lior David
c100c883e7 wil6210: use extra IEs from probe response
In the start_ap/change_beacon API, when we set up probe response
offloading, we only use the IE list from the probe response
template and not the IE list from the proberesp_ies argument.
As a result, we miss important IEs and it causes problems with
some scenarios such as P2P.
With this change, we merge the list of IEs from the probe response
template and proberesp_ies and send the merged list to the FW
for offloading. It is still FW responsibility to filter out
irrelevant IEs when sending probe response, based on the actual
contents of the probe request.
Also in case association response termplate is not provided,
we will use the merged list of IEs from probe response in the
association response as well.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Lior David
c5a157e4d7 wil6210: fix privacy flag calculation in change_beacon
Currently the privacy flag calculation in change_beacon
checks for RSN IE inside proberesp_ies, but normally it
is not found there. It works today because of code inside
the function wil_fix_bcon, but wil_fix_bcon is not directly
related to change_beacon, and it may be changed or removed
in the future and break the calculation.
To fix this issue, change the privacy flag calculation
to check RSN IE inside the beacon itself. The new check is more
reliable and will not be sensitive to changes in wil_fix_bcon.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Alexander Tsoy
aea57edf80 ath9k_htc: add device ID for Toshiba WLM-20U2/GN-1080
This device is available under different marketing names:
WLM-20U2 - Wireless USB Dongle for Toshiba TVs
GN-1080 - Wireless LAN Module for Toshiba MFPs.

Signed-off-by: Alexander Tsoy <alexander@tsoy.me>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Kalle Valo
b9a9693fd9 ath9k: request NOA update when chanctx active
Request NOA update when chanctx active, also in case
of STA.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:38 +02:00
Yanbo Li
8b019fb0d0 ath10k: remove the p2p notice of absence info from 10.2.4 FW beacon info
The p2p NOA never been supported at 10.2.4 FW, remove it to avoid SWBA
event parse error for multi beacon interval case.

Signed-off-by: Yanbo Li <yanbol@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:37 +02:00
Mohammed Shafi Shajakhan
856e7c3084 ath10k: add debugfs support for Per STA total rx duration
Add debugfs support for per client total rx duration, track this
via the report of Peer stats rx duration reported for every 500ms

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:37 +02:00
Mohammed Shafi Shajakhan
8351c05219 ath10k: enable periodic peer stats update
Register for 500ms as periodic peer stats update period,
and parameters like rx_duration that needs to be tracked
in host can be achieved by this provision, also periodic
stats update is the future of fw_stats and shall be extended
for pdev / vdev stats irrespecitive PEER_STATS service is enabled
or not

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
[kvalo@qca.qualcomm.com: fix a checkpatch warning]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:37 +02:00
Mohammed Shafi Shajakhan
d57e7f2e7e ath10k: provision to support periodic peer stats update
Enable support for periodic peer stats update when peer stats
service is enabled. The host to update the peer stats received
from the firmware periodically, since firmware will reset this to zero
after sometime (due to memory constraints)

While enabling periodic peer / vdev stats cleanup the existing
list in debugfs if max limit is reached, so that the new stats is
updated.

Ideally speaking based on 'Michal Kazior's' suggestion
we need to completely move to periodic update of all the stats making
the 'ping - pong' method obselete. This requires a bit of re-work and
some testing as well, also confirmation regarding backward comptability
for various firmware and chipsets. Hence allow periodic update only
for peer_stats.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:37 +02:00
Mohammed Shafi Shajakhan
b4619ea2f7 ath10k: rename few function names of firmware stats
Prerequisite patch to address checkpatch errors for the next patch
in this series, this function names are bit too long, make it short

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:37 +02:00
Mohammed Shafi Shajakhan
1fe374f5b0 ath10k: cleanup setting pdev paramaters
Replace the local variable 'burst_enable' with 'param'
for mapping and setting pdev paraemeters and with this patch
pretty easy to extend support for new parameters adhering to
linux kernel coding guidelines

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:47:37 +02:00
Mohammed Shafi Shajakhan
774e656e94 ath10k: fix naming Peer stats rssi_changed field in 10.2.4
Fix naming of peer stats rssi_changed field in 10.2.4 to make it
more readable. As of now this field is not used, but necessary to
pull in fw_stats with appropriate length.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-26 16:46:08 +02:00
Gregory Greenman
69c7fda409 iwlwifi: mvm: rs: fix TPC statistics handling
FW behaviour changed and now updates driver about the used TPC
reduction in the following cases:
1. In tx response, which is used mostly for a single frame case
2. In BA notification

When tx aggregation fails with the initial rate, FW will send
to the driver BA notification and will try to transmit with the
next rate, but this time without tx power reduction. Thus, in case
of a failure with the initial rate, driver will get two BA notifications,
the first one with reduced tx power as in the LQ command and the second
one with 0 power reduction.

This patch adapts the TPC statistics according to the description above:
1. Use BA notifications instead of Tx response
2. For TPC only, drop the optimization which considers empty BA as one
MPDU. The reason is that with TPC we want to recover very quickly from
a bad power reduction and, therefore we'd like the success ratio to get
an immediate hit when failing to get a BA, so we'd switch back to a
lower or zero power reduction

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-26 16:03:35 +02:00
Oren Givon
ca296c571f iwlwifi: update support for 3168 series firmware and NVM
Update the struct which defines the support for 3168 cards.
Now it will search for a firmware of this format:
iwlwifi-3168-XX.ucode
Also, set the minimum version of the ucode to 20.
Update the minimum NVM version and minimum NVM calibrations
version of the 3168 series.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-26 16:03:35 +02:00
Kalle Valo
36efee8e9c Merge ath-current from ath.git 2016-01-26 15:43:40 +02:00
Felix Fietkau
65dc1a5d1e ath9k_hw: ignore eeprom magic mismatch on flash based devices
Many AR913x based devices (maybe others too) do not have a valid EEPROM
magic in their calibration data partition.

Fixes: 6fa658fd5a ("ath9k: Simplify and fix eeprom endianness swapping")
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-25 15:33:25 +02:00
Larry Finger
c72fc90937 rtlwifi: rtl8821ae: Fix 5G failure when EEPROM is incorrectly encoded
Recently, it has been reported that D-Link DWA-582 cards, which use an
RTL8812AE chip are not able to scan for 5G networks. The problems started
with kernel 4.2, which is the first version that had commit d10101a603
("rtlwifi: rtl8821ae: Fix problem with regulatory information"). With this
patch, the driver went from setting a default channel plan to using
the value derived from EEPROM.

Bug reports at https://bugzilla.kernel.org/show_bug.cgi?id=111031 and
https://bugzilla.redhat.com/show_bug.cgi?id=1279653 are examples of this
problem.

The problem was solved once I learned that the internal country code was
resulting in a regulatory set with only 2.4 GHz channels. With the RTL8821AE
chips available to me, the country code was such that both 2.4 and 5 GHz
channels are allowed. The fix is to allow both bands even when the EEPROM
is incorrectly encoded.

Fixes: d10101a603 ("rtlwifi: rtl8821ae: Fix problem with regulatory information")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: littlesmartguy@gmail.com
Cc: gabe@codehaus.org
Cc: Stable <stable@vger.kernel.org> [v4.2+]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-25 15:21:38 +02:00
Eli Cooper
262c741e08 rt2x00: fix monitor mode regression
Since commit df1404650c ("mac80211: remove support for IFF_PROMISC")
monitor mode for rt2x00 has been made effectively useless because the
hardware filter is configured to drop packets whose intended recipient is
not the device, regardless of the presence of monitor mode interfaces.

This patch fixes this regression by adding explicit monitor mode support,
and by configuring the hardware filter accordingly.

Signed-off-by: Eli Cooper <elicooper@gmx.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-25 15:19:48 +02:00
Oren Givon
9baa03982b iwlwifi: add device ID for 8265
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-24 22:56:41 +02:00
Oren Givon
7b08c67fa5 iwlwifi: add new 3168 series devices support
Add new sub-system PCI IDs to the 3168 series.
Added 0x2010, 0x2050 and 0x2150 sub-system IDs.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-24 22:56:37 +02:00
Mohammed Shafi Shajakhan
de46c015c9 ath10k: add support for parsing per STA rx_duration for 10.2.4
Add support for parsing 'peer_rx_duration' as part
of 10.2.4 peer_stats. Also register PEER_STATS service
for parsing 'rx_duration' (and for any new fields to be added
as part of peer_stats). Have checks for backward compatibility with
older 10.2.4 firmware incase PEER_STATS service is not enabled

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-21 13:57:01 +02:00
Michal Kazior
d742c969b3 ath10k: prevent txrx running for too long
On multicore systems it was possible for the txrx
tasklet to keep on running for long periods of
time on a single CPU due to tx completion
processing. Another CPU could feed the running
tasklet for an indefinite amount of time.

The tasklet is now guaranteed to run a finite
amount of time and is limited by HTT CE Rx ring
depth.

This improves behavior when RPS is used on target
system and might improve TCP handling as well.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-21 13:50:29 +02:00
Linus Torvalds
d9569f003c Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek:
 - Make <modname>-m in makefiles work like <modname>-y and fix the
   fallout
 - Minor genksyms fix
 - Fix race with make -j install modules_install
 - Move -Wsign-compare from make W=1 to W=2
 - Other minor fixes

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: Demote 'sign-compare' warning to W=2
  Makefile: revert "Makefile: Document ability to make file.lst and file.S" partially
  kbuild: Do not run modules_install and install in paralel
  genksyms: Handle string literals with spaces in reference files
  fixdep: constify strrcmp arguments
  ath10k: Fix build with CONFIG_THERMAL=m
  Revert "drm: Hack around CONFIG_AGP=m build failures"
  kbuild: Allow to specify composite modules with modname-m
  staging/ad7606: Actually build the interface modules
2016-01-20 09:45:43 -08:00
Hante Meuleman
e0045bf80f brcmfmac: fix sdio sg table alloc crash
With commit 7d34b05605 ("brcmfmac: Move all module parameters to
one place") a bug was introduced causing a null pointer exception.
This patch fixes the bug by initializing the sg table till after
the settings have been initialized.

Fixes: 7d34b05605 ("brcmfmac: Move all module parameters to one place")
Reported-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-19 21:27:22 +02:00
Felix Fietkau
5dc3b7b9eb brcmfmac: add missing include
linux/module.h is required for defining module parameters

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-19 21:23:56 +02:00
Linus Torvalds
48f58ba9cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull more networking fixes from David Miller:

 1) Fix brcmfmac build with older gcc, from Arend van Spriel.

 2) IRQ values unintentionally truncated to u8 in mlx5 driver, from
    Doron Tsur.

 3) Fix build warnings wrt tcp cgroup changes, from Geert Uytterhoeven.

 4) Limit deep recursion in ovs stack, from Hannes Frederic Sowa.

 5) at803x phy driver bug fixes from, Martin Blumenstingl.

 6) Fix TSO handling in hns driver, from Daode Huang

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
  ovs: limit ovs recursions in ovs_execute_actions to not corrupt stack
  team: Replace rcu_read_lock with a mutex in team_vlan_rx_kill_vid
  net: hns: bug fix about hisilicon TSO BD mode
  brcmfmac: fix BRCMF_FW_NVRAM_DEF macro for older gcc compilers
  net: phy: at803x: Add the interrupt register bit definitions
  net: phy: at803x: Clean up duplicate register definitions
  net: phy: at803x: Allow specifying the RGMII RX clock delay via phy mode
  net: phy: at803x: Don't set gbit features for the AR8030 phy
  arm64: bpf: add extra pass to handle faulty codegen
  arm64: insn: remove BUG_ON from codegen
  sctp: the temp asoc's transports should not be hashed/unhashed
  net/mlx5_core: Fix trimming down IRQ number
  tcp_memcontrol: Forward declare cgroup_subsys and mem_cgroup stucts
  batman-adv: Drop immediate orig_node free function
  batman-adv: Drop immediate batadv_hard_iface free function
  batman-adv: Drop immediate neigh_ifinfo free function
  batman-adv: Drop immediate batadv_hardif_neigh_node free function
  batman-adv: Drop immediate batadv_neigh_node free function
  batman-adv: Drop immediate batadv_orig_ifinfo free function
  batman-adv: Avoid recursive call_rcu for batadv_nc_node
  ...
2016-01-18 12:35:14 -08:00
Arend van Spriel
23195ec005 brcmfmac: fix BRCMF_FW_NVRAM_DEF macro for older gcc compilers
With gcc < 4.3 __UNIQUE_ID does not create unique ids with the macro
BRCMF_FW_NVRAM_DEF. Fix this by removing the MODULE_FIRMWARE instance
for the nvram file. This file is not in linux-firmware repo so it may
not be needed anyway. Otherwise consider this as a temporary fix.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arend van Spriel <aspriel@gmail.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-18 11:20:52 -05:00
Michal Nazarewicz
8f57e4d930 include/linux/kernel.h: change abs() macro so it uses consistent return type
Rewrite abs() so that its return type does not depend on the
architecture and no unexpected type conversion happen inside of it.  The
only conversion is from unsigned to signed type.  char is left as a
return type but treated as a signed type regradless of it's actual
signedness.

With the old version, int arguments were promoted to long and depending
on architecture a long argument might result in s64 or long return type
(which may or may not be the same).

This came after some back and forth with Nicolas.  The current macro has
different return type (for the same input type) depending on
architecture which might be midly iritating.

An alternative version would promote to int like so:

	#define abs(x)	__abs_choose_expr(x, long long,			\
			__abs_choose_expr(x, long,			\
			__builtin_choose_expr(				\
				sizeof(x) <= sizeof(int),		\
				({ int __x = (x); __x<0?-__x:__x; }),	\
				((void)0))))

I have no preference but imagine Linus might.  :] Nicolas argument against
is that promoting to int causes iconsistent behaviour:

	int main(void) {
		unsigned short a = 0, b = 1, c = a - b;
		unsigned short d = abs(a - b);
		unsigned short e = abs(c);
		printf("%u %u\n", d, e);  // prints: 1 65535
	}

Then again, no sane person expects consistent behaviour from C integer
arithmetic.  ;)

Note:

  __builtin_types_compatible_p(unsigned char, char) is always false, and
  __builtin_types_compatible_p(signed char, char) is also always false.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-16 11:17:22 -08:00
Sara Sharon
50ea05efaf mac80211: pass block ack session timeout to to driver
Currently mac80211 does not inform the driver of the session
block ack timeout when starting a rx aggregation session.
Drivers that manage the reorder buffer need to know this
parameter.
Seeing that there are now too many arguments for the
drv_ampdu_action() function, wrap them inside a structure.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-14 11:13:17 +01:00
Bob Copeland
354210f804 Revert "mac80211_hwsim: support any address in userspace"
This reverts commit cd37a90b2a.

Different userspace programs interpreted HWSIM_ATTR_ADDR_TRANSMITTER
and HWSIM_ATTR_ADDR_RECEIVER differently: some expected it to
be an unchanging hardware address that is tied to the radio despite
which address is configured on the interface, while others expected
to be a copy of the address in the frame (the configured address).
The intent of the original authors is unclear.

The latter interpretation doesn't really work properly with multiple
vifs and broadcast frames.  Also, as the TA is already in the
frame, userspace programs can actually support configured addresses
in the former interpretation by mapping between them and the supplied
HWSIM_ATTR_ADDR_TRANSMITTER.

So, in the interest of API stability, revert to the previous mode
of operation and going forward use the former interpretation.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-01-14 11:10:17 +01:00
Linus Torvalds
aee3bfa330 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from Davic Miller:

 1) Support busy polling generically, for all NAPI drivers.  From Eric
    Dumazet.

 2) Add byte/packet counter support to nft_ct, from Floriani Westphal.

 3) Add RSS/XPS support to mvneta driver, from Gregory Clement.

 4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
    Frederic Sowa.

 5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.

 6) Add support for VLAN device bridging to mlxsw switch driver, from
    Ido Schimmel.

 7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.

 8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.

 9) Reorganize wireless drivers into per-vendor directories just like we
    do for ethernet drivers.  From Kalle Valo.

10) Provide a way for administrators "destroy" connected sockets via the
    SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.

11) Add support to add/remove multicast routes via netlink, from Nikolay
    Aleksandrov.

12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.

13) Add forwarding and packet duplication facilities to nf_tables, from
    Pablo Neira Ayuso.

14) Dead route support in MPLS, from Roopa Prabhu.

15) TSO support for thunderx chips, from Sunil Goutham.

16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.

17) Rationalize, consolidate, and more completely document the checksum
    offloading facilities in the networking stack.  From Tom Herbert.

18) Support aborting an ongoing scan in mac80211/cfg80211, from
    Vidyullatha Kanchanapally.

19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
  net: bnxt: always return values from _bnxt_get_max_rings
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  phy: remove an unneeded condition
  mdio: remove an unneed condition
  mdio_bus: NULL dereference on allocation error
  net: Fix typo in netdev_intersect_features
  net: freescale: mac-fec: Fix build error from phy_device API change
  net: freescale: ucc_geth: Fix build error from phy_device API change
  bonding: Prevent IPv6 link local address on enslaved devices
  IB/mlx5: Add flow steering support
  net/mlx5_core: Export flow steering API
  net/mlx5_core: Make ipv4/ipv6 location more clear
  net/mlx5_core: Enable flow steering support for the IB driver
  net/mlx5_core: Initialize namespaces only when supported by device
  net/mlx5_core: Set priority attributes
  net/mlx5_core: Connect flow tables
  net/mlx5_core: Introduce modify flow table command
  net/mlx5_core: Managing root flow table
  ...
2016-01-12 18:57:02 -08:00
Al Viro
6108209c4a Merge branch 'for-linus' into work.misc 2016-01-08 21:20:11 -05:00
Hante Meuleman
42e0ed0d45 brcmfmac: Do not handle link downs for ibss.
Sometimes on module reload and reconnect to ibss a deauth from
other station can be received. This is treated as a link down but
for ibss this is wrong. It will close the interface and no data
is possible. Ignore the firmware generated link down events in
ibss mode, as ibss is always teared down by cfg80211.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-08 10:44:48 +02:00
Arend van Spriel
5ce96c0808 brcmfmac: use jiffies for timeout in btcoex
The btcoex uses a timeout which was in milliseconds and got
converted to jiffies upon using timer api. Instead, convert
it to jiffies and treat it as such further.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@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>
2016-01-08 10:44:46 +02:00
Arend van Spriel
63ce3d5db0 brcmfmac: use msecs_to_jiffies() in macro definitions
Instead to having macro definition for millisecond timeout have
the definition directly in jiffies. This makes the unit of the
value immediately clear and may result in code that is bit more
compact.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@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>
2016-01-08 10:44:43 +02:00
Arend van Spriel
4011fc4996 brcmfmac: change brcmf_sdio_wd_timer() prototype
The function brcmf_sdio_wd_timer() has wdtick parameter. However, it
is only called with two values and as such the parameter is replaced
with boolean value indicating the timer should be active or not.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@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>
2016-01-08 10:44:42 +02:00
Hante Meuleman
5419f7f17d brcmfmac: Reshuffle functions to avoid forward declarations
Function prototype forward declarations are to be avoided. This
patch shuffles some of the functions so the forward declarations
can be removed.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-08 10:44:40 +02:00
Hante Meuleman
3021ad9a4f brcmfmac: Add wowl net detect support
With wowl net detect it becomes possible to scan for specific ssids
and wakeup once found.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-08 10:44:38 +02:00
Kalle Valo
aa8a7219d7 * bug fixes and improvements for firmware debug system (Golan and myself)
* fixes for D0i3 (Eliad)
 * prevent muliple stations with the same MAC address
 * advertise support for Rx A-MSDU in A-MPDU
 * scan related fixes
 * support -20.ucode
 * fix WoWLAN for iwldvm
 * preparations towards multiple Rx queues
 * platform power improvements for GO mode when no clients are associated
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Merge tag 'iwlwifi-next-for-kalle-2016-01-07_2' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* bug fixes and improvements for firmware debug system (Golan and myself)
* fixes for D0i3 (Eliad)
* prevent muliple stations with the same MAC address
* advertise support for Rx A-MSDU in A-MPDU
* scan related fixes
* support -20.ucode
* fix WoWLAN for iwldvm
* preparations towards multiple Rx queues
* platform power improvements for GO mode when no clients are associated
2016-01-07 23:04:07 +02:00
Kalle Valo
236c52cac4 Merge ath-next from ath.git
No major changes to list.
2016-01-07 22:54:46 +02:00
Emmanuel Grumbach
62d7476d95 iwlwifi: pcie: properly configure the debug buffer size for 8000
8000 device family has a new debug engine that needs to be
configured differently than 7000's.
The debug engine's DMA works in chunks of memory and the
size of the buffer really means the start of the last
chunk. Since one chunk is 256-byte long, we should
configure the device to write to buffer_size - 256.
This fixes a situation were the device would write to
memory it is not allowed to access.

CC: <stable@vger.kernel.org> [4.1+]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:33 +02:00
Emmanuel Grumbach
9fb7807ce7 iwlwifi: mvm: fix memory leaks in error paths upon fw error dump
When iwl_mvm_fw_error_dump fails, it needs to clear the
state in mvm, which includes:
	* clear IWL_MVM_STATUS_DUMPING_FW_LOG
	* set mvm->fw_dump_trig to NULL
	* free the description

While at it, remove a NULL check in
iwl_mvm_free_fw_dump_desc since kfree is NULL safe.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:32 +02:00
Emmanuel Grumbach
a80c7a6966 iwlwifi: mvm: constify the parameters of a few functions in fw-dbg.c
The debug functions of fw-dbg.c don't really need to modify
the trigger and the description they receive as a parameter.
Constify the pointers.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:32 +02:00
Johannes Berg
be720d3fc0 iwlwifi: mvm: check minimum temperature notification length
This notification will be extended with extra data, so just
check that it has a minimum length, not the exact length;
we might later add handling for the extra fields added and
have more code to handle both versions.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:31 +02:00
Eliad Peller
0eb1c968f3 iwlwifi: mvm: initialize gtkdata->mvm correctly
gtkdata->mvm wasn't set in iwl_mvm_d0i3_update_keys,
resulting in kernel panic in some flows (when mvm
is actually used...)

Fixes: a3f7ba5c88 ("iwlwifi: update key params on d0i3 entrance/exit")
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:31 +02:00
Johannes Berg
f5e28eac1a iwlwifi: mvm: check PN for CCMP/GCMP in the driver
As we're working on multi-queue RX, we want to parallelise checking
the PN in order to avoid having to serialise the RX processing.

It may seem that doing parallel PN checking is insecure, but it turns
out to be OK because queue assignment is done based on the data in the
frame (IP/TCP) and thus cannot be manipulated by an attacker, since
the data is encrypted and must first have been decrypted successfully.

There are some corner cases, in particular when the peer starts using
fragmentation which redirects the packet to the default queue. However
this redirection is remembered (for the STA, per TID) and thus cannot
be exploited by an attacker either.

Leave checking on the default queue (queue 0) to mac80211, since we
get fragmented packets there and those are subject to stricter checks
during reassembly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:30 +02:00
Ayala Beker
bd6f5bd700 iwlwifi: mvm: don't ask beacons when P2P GO vif and no assoc sta
The commit below called iwl_mvm_mac_ctxt_changed() to handle
a case that the vif is a P2P GO.
However iwl_mvm_mac_ctxt_cmd_go() ignores the number of
associated stations and asks the FW to pass beacons anyways.

Fix this by checking ap_assoc_sta_count parameter, in iwl_mvm_mac_ctxt_cmd_go()
as well, and ask the FW to pass beacons only when there's
at least one associated station.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:30 +02:00
Johannes Berg
30433d3b98 iwlwifi: mvm: prevent multiple stations with the same address
As the device (and parts of the driver) cannot deal with having the
same MAC address for two stations (on two virtual interfaces), add
some explicit code to prevent this case.

Note that in practice this cannot happen since the device doesn't
support operating with two AP/GO interfaces at the same time either,
and other scenarios for this are, while not impossible, not going to
happen in practice.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:29 +02:00
Emmanuel Grumbach
b6c7d7209d iwlwifi: mvm: remove useless WARN_ON and rely on cfg80211's combination
We advertise one STATION vif only, so this just can't
happen. Remove this useless WARN_ON.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:29 +02:00
Johannes Berg
909ddf0b81 iwlwifi: mvm: support A-MSDU in A-MPDU
Since A-MPDU deaggregation is done in hardware, and A-MSDU deaggregation
is done in software, there's no reason not to support A-MSDU in A-MPDU;
set the flag to support it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:29 +02:00
Golan Ben-Ami
a977a1507c iwlwifi: mvm: add a non-trigger window to fw dbg triggers
Allow the user to configure a non-trigger session - a window
between triggers in which the driver won't collect fw debug data.
This can be useful when the frequent collection of fw data
has an impact on the performance, such as debugging
tx flows.

Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:28 +02:00
Emmanuel Grumbach
976f15a8ef iwlwifi: mvm: dump the radio registers when the firmware crashes
Dumping the content of the radio registers greatly helps
to debug PHY issues, which can lead to TFD queue hang.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:28 +02:00
David Spinadel
ca95ff3a9f iwlwifi: mvm: fix extended dwell time
FW adds 10 msec for every dwell time in low band, so we need
to set 10 msec less.
Don't use extended dwell time when fragmented scan is needed
because FW adds 3 msec per probe and it can easily exceed
max out of channel time.

Fixes: c3e230b167 ("iwlwifi: mvm: add extended dwell time")
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:27 +02:00
Oren Givon
488c28e110 iwlwifi: nvm: fix loading default NVM file
Fix loading the default NVM file, in the case where the
requested NVM file isn't found in the file system.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:27 +02:00
Emmanuel Grumbach
f370f5cffe iwlwifi: mvm: bump max API to 20
7265D and up are now able to handle -20.ucode.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:26 +02:00
Emmanuel Grumbach
ed0450cef0 iwlwifi: set max firmware version of 7265 to 17
Just like 7260, 7265 will not have firmware releases newer
than iwlwifi-7265-17.ucode. 7265D is still supported in
latest firmware releases.

Fixes: 628a2918af ("iwlwifi: separate firmware version for 7260 devices")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:26 +02:00
Emmanuel Grumbach
4ca87a5f58 iwlwifi: mvm: reset mvm->scan_type when firmware is started
If we don't reset the scan type when the firmware is
started, we will think the firmware is still configured
after the interface has been brought down. When we will
bring it up again, we will not configure the scan type
in firmware and it will crash with the following assert:

0x0000100A | ADVANCED_SYSASSERT

Fixes: 355346ba30 ("iwlwifi: mvm: configure scheduled scan according to traffic conditions")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:25 +02:00
Matti Gottlieb
6fa52430f0 iwlwifi: mvm: change mcc update API
New functionality for testing that is not relevant for
this driver has been added. This required an API change.

Add new cmd & response versions for the MCC update cmd & response.
Add new TLV indicating that the FW is using the new API.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:25 +02:00
Emmanuel Grumbach
1e3c3c3529 iwlwifi: mvm: let the firmware choose the antenna for beacons
The firmware knows better what antenna to choose.
Old firmware still need the setting, so use a flag to know
if the driver should choose the antenna or if the firmware
can do it iself.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:24 +02:00
Oren Givon
006bda75d8 iwlwifi: update and fix 7265 series PCI IDs
Update and fix some 7265 PCI IDs entries.

CC: <stable@vger.kernel.org> [3.13+]
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:24 +02:00
Emmanuel Grumbach
a1cdb1c59c iwlwifi: dvm: fix WoWLAN
My commit below introduced a mutex in the transport to
prevent concurrent operations. To do so, it added a flag
(is_down) to make sure the transport is in the right state.
This uncoverred an bug that didn't cause any harm until
now: iwldvm calls stop_device and then starts the firmware
without calling start_hw in between. While this flow is
fine from the device configuration point of view (register,
etc...), it is now forbidden by the new is_down flag.
This led to this error to appear:
iwlwifi 0000:05:00.0: Can't start_fw since the HW hasn't been started
and the suspend would fail.

This fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=109591

CC: <stable@vger.kernel.org> [4.3+]
Reported-by: Bogdan Bogush <bogdan.s.bogush@gmail.com>
Fixes=fa9f3281cbb1 ("iwlwifi: pcie: lock start_hw / start_fw / stop_device")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2016-01-07 19:01:09 +02:00
Fengwei Yin
9d5db23eec wcn36xx: split DMA mask register writing.
Per comments from Bjorn Andersson <bjorn.andersson@sonymobile.com>,
split DMA mask register writing as seperate patch in case we need
bi-sect in the furture.

Signed-off-by: Fengwei Yin <fengwei.yin@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 15:16:19 +02:00
Fengwei Yin
2ec7752fd9 wcn36xx: handle rx skb allocation failure to avoid system crash
Lawrence reported that git clone could make system crash on a
Qualcomm ARM soc based device (DragonBoard, 1G memory without
swap) running 64bit Debian.

It's turned out the crash is related with rx skb allocation
failure. git could consume more than 600MB anonymous memory.
And system is in extremely memory shortage case.

But driver didn't handle the rx allocation failure case. This patch
doesn't submit skb to upper layer if rx skb allocation fails.
Instead, it reuse the old skb for rx DMA again. It's more like
drop the packets if system is in memory shortage case.

With this change, git clone is OOMed instead of system crash.

Reported-by: King, Lawrence <lking@qti.qualcomm.com>
Signed-off-by: Fengwei Yin <fengwei.yin@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 15:16:17 +02:00
Dan Carpenter
19f2ce3f11 ath9k: fix ath9k_hw_nvram_check_version()
There is a type bug so it always returns success.

Fixes: 6fa658fd5a ('ath9k: Simplify and fix eeprom endianness swapping')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 15:16:15 +02:00
Pawel Kulakowski
50e81e2f0b ath9k: Enable support for cloned SKBS
Ath9k driver does not modify tx skbs, so SUPPORTS_CLONED_SKBS
flag can be set. Enabling this flag significant reduce number
of copy operation during TCP Tx. This is especially noticeable
on platforms with slower CPU (lower CPU usage brings
profits in better TCP Tx troughput results).

Tested on MIPS with 560 MHz clock
Without CLONED_SKBS flag:
TCP Tx 145 Mb/s (iperf result)
__copy_user_common consumes 12.9% of CPU (result from perf tool)
0% CPU Idle

With CLONED_SKBS flag:
TCP Tx 170 Mb/s (iperf result)
__copy_user_common consumes 1.8% of CPU (result from perf tool)
12% CPU Idle

Signed-off-by: Pawel Kulakowski <pawel.kulakowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 15:02:15 +02:00
Lior David
ea3ade75db wil6210: support for platform specific crash recovery
Added a simple interface for platform to perform crash
recovery.
When firmware crashes, wil driver can notify the platform
which can trigger a crash recovery process. During
the process the platform can request a ram dump
from the wil driver as well as control when firmware
recovery will start. This interface allows the platform
to implement a more advanced crash recovery, for
example to reset dependent subsystems in proper order, or
to provide its own notifications during the recovery process.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 15:00:44 +02:00
Hamad Kadmany
dea16eddb4 wil6210: fix kernel OOPS when stopping interface during Rx traffic
When network interface is stopping, some resources may
be already released by the network stack, and Rx frames
cause kernel OOPS (observed one is in netfilter code)

Proper solution is to drop packets pending in reorder buffer.

Signed-off-by: Hamad Kadmany <qca_hkadmany@qca.qualcomm.com>
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 15:00:32 +02:00
Peter Oh
e33a99e227 ath10k: set SM power save disabled to default value
Use SMPS disabled as default because FW does not indicate
any support of SMPS.

This change will help STAs out that don’t support SMPS from
sticking on 1SS, since they don’t have method to change it
back to multiple chains.

This change also should not affect power consumption of STAs
supporting SMPS, because they are capable to switch the mode
to dynamic or static either at the end of frame sequence or
by using SMPS action frame.

Signed-off-by: Peter Oh <poh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-01-07 14:56:23 +02:00
Jia-Ju Bai
7683fe016c rt2x00pci: Disable memory-write-invalidate when the driver exits
The driver calls pci_set_mwi to enable memory-write-invalidate when it
is initialized, but does not call pci_clear_mwi when it is removed. Many
other drivers calls pci_clear_mwi when pci_set_mwi is called, such as
r8169, 8139cp and e1000.

This patch adds pci_clear_mwi in error handling and removal procedure,
which can fix the problem.

Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:22:46 +02:00
Arend van Spriel
8ba83d4daa brcmfmac: introduce module parameter to force successful probe
The module parameter can be used to ensure the probe succeeds thus
claiming the device and allowing post-mortem debugging in case of
firmware crash. It is only available when select CONFIG_BRCMDBG.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@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>
2016-01-07 11:21:16 +02:00
Hante Meuleman
7d34b05605 brcmfmac: Move all module parameters to one place
Module parameters are defined in several files. Move them in one
place and make them device specific or global. This makes it
easier to override device specific settings by external data like
platform data in the future.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-07 11:21:15 +02:00
Hante Meuleman
6a98d64a27 brcmfmac: Fix warn trace on module unload while in ibss mode
When the driver is being unloaded a situation can occur where the
wirelesss core (cfg80211) wants to remove the ibss, but the state
of brcmfmac has already been set to down. When an error is
returned in that situation then that will result in a stack
trace on removal of the wiphy object. This is avoided by
returning 0 when device is down on a leave_ibss call.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-07 11:21:14 +02:00
Arend van Spriel
ec64241c9f brcmfmac: obtain feature info using 'cap' firmware command
Several features in the driver directly map to a firmware feature
listed in response of the 'cap' firmware command. For those features
this response will be examined instead of attempting individual
firmware commands.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Mathy Vanhoef <vanhoefm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:21:13 +02:00
Hante Meuleman
48ed16e86b brcmfmac: Add support for scheduled scan mac randomization
Scheduled scan be requested to use mac randomization. This patch
checks the flags and enables the randomization if desired.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-07 11:21:12 +02:00
Hante Meuleman
3f5893d1b3 brcmfmac: Add get_station support for IBSS
When get_station is requested for IBSS then an error will be
printed and no information will be returned. This patch adds
IBSS specific get station information function.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2016-01-07 11:21:11 +02:00
Franky Lin
44129ed04b brcmfmac: add arp offload ip address table configuration support
Obtain ipv4 address through inetaddr notification for ARP offload host
ip table configuration.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
2016-01-07 11:21:10 +02:00
Alexey Khoroshilov
f7b7caa488 ipw2x00: add checks for dma mapping errors
ipw2100_alloc_skb() and ipw2100_tx_send_data() do not check if mapping
dma memory succeed. The patch adds the checks and failure handling.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:18:50 +02:00
Amitkumar Karwar
ee548d4b10 mwifiex: reduce cloned skb queue size
Driver supports Tx status ack feature. When hostapd/
wpa_supplicant asks for ack status of an EAPOL/ACTION
frame, driver maintains a cloned skb for the packet
until TX_STATUS event is received from firmware.

Cloned skb queue gets flushed when connection is terminated
or driver is unloaded.

Let's reduce the queue size to avoid unnecessarily
keeping memory allocated when environment is busy.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:14:06 +02:00
Xinming Hu
91442431c3 mwifiex: increase priority for critical message
This patch increase the priority for some critical
messages.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:14:05 +02:00
Xinming Hu
fdb1e28e05 mwifiex: fix missing debug messages
Some critical messages are missed until "adapter->dev"
gets initialized in mwifiex_register_dev().
We will use pr_* print message instead of mwifiex_dbg at
those places to resolve the problem.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:14:02 +02:00
Insu Yun
50f85e220f mwifiex: correctly handling kzalloc
Since kzalloc can be failed in memory pressure,
it needs to be handled, otherwise NULL dereference could be happened

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:11:51 +02:00
Julia Lawall
9ec855cc9e iwlegacy: 4965-mac: constify il_sensitivity_ranges structure
The il_sensitivity_ranges is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-01-07 11:09:58 +02:00
Al Viro
f0fc869662 switch wireless debugfs ->write() instances to memdup_user_nul()
again, it only parses the contents of the copied buffer, so
get_zeroed_page() might as well had been kmalloc(), which makes
it open-coded memdup_user_nul()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-04 10:27:44 -05:00
Al Viro
16e5c1fc36 convert a bunch of open-coded instances of memdup_user_nul()
A _lot_ of ->write() instances were open-coding it; some are
converted to memdup_user_nul(), a lot more remain...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-04 10:26:58 -05:00
Dan Carpenter
f94c48d6c3 wil6210: fix a warning message condition
"iter" is -1 at the end of the loop and not zero.  It means we don't
print a warning message.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-31 15:25:13 +02:00
Andrzej Hajda
5c352bf088 ath9k_htc: fix handling return value of ath9k_hw_calibrate
The function can return negative values in case of error.
Its result should be then tested for such case.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-31 15:23:17 +02:00
Rajkumar Manoharan
d9d6a5ae21 ath10k: reduce indentation by moving powersave check within function
For devices that does not support PCI power save, force wake up
API is used. So move powersave check inside force wakeup to reduce
one level indentation.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-31 15:23:15 +02:00
Rajkumar Manoharan
aa538aca9f ath10k: wake up device before accessing registers
commit 1aaf8efba0 ("ath10k: disable PCI PS for QCA988X
and QCA99X0") partially reverts pci soc powersave support added by
commit 77258d409c ("ath10k: enable pci soc powersaving"). While
reverting the change, pci wake up function is called after accessing
pci registers instead of prior to access. The assumption is that chip
is woken up before accessing its registers.Though this change does not
fix any known issues, this might help to avoid unknown or low power
platform specific issues.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-31 15:23:13 +02:00
Alexey Khoroshilov
49f2a47d91 prism54: fix checks for dma mapping errors
prism54 checks for dma mapping errors by comparison returned address
with zero, while pci_dma_mapping_error() should be used.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-31 10:23:32 +02:00
Uri Mashiach
e47301b06d wlcore/wl12xx: spi: fix NULL pointer dereference (Oops)
Fix the below Oops when trying to modprobe wlcore_spi.
The oops occurs because the wl1271_power_{off,on}()
function doesn't check the power() function pointer.

[   23.401447] Unable to handle kernel NULL pointer dereference at
virtual address 00000000
[   23.409954] pgd = c0004000
[   23.412922] [00000000] *pgd=00000000
[   23.416693] Internal error: Oops: 80000007 [#1] SMP ARM
[   23.422168] Modules linked in: wl12xx wlcore mac80211 cfg80211
musb_dsps musb_hdrc usbcore usb_common snd_soc_simple_card evdev joydev
omap_rng wlcore_spi snd_soc_tlv320aic23_i2c rng_core snd_soc_tlv320aic23
c_can_platform c_can can_dev snd_soc_davinci_mcasp snd_soc_edma
snd_soc_omap omap_wdt musb_am335x cpufreq_dt thermal_sys hwmon
[   23.453253] CPU: 0 PID: 36 Comm: kworker/0:2 Not tainted
4.2.0-00002-g951efee-dirty #233
[   23.461720] Hardware name: Generic AM33XX (Flattened Device Tree)
[   23.468123] Workqueue: events request_firmware_work_func
[   23.473690] task: de32efc0 ti: de4ee000 task.ti: de4ee000
[   23.479341] PC is at 0x0
[   23.482112] LR is at wl12xx_set_power_on+0x28/0x124 [wlcore]
[   23.488074] pc : [<00000000>]    lr : [<bf2581f0>]    psr: 60000013
[   23.488074] sp : de4efe50  ip : 00000002  fp : 00000000
[   23.500162] r10: de7cdd00  r9 : dc848800  r8 : bf27af00
[   23.505663] r7 : bf27a1a8  r6 : dcbd8a80  r5 : dce0e2e0  r4 :
dce0d2e0
[   23.512536] r3 : 00000000  r2 : 00000000  r1 : 00000001  r0 :
dc848810
[   23.519412] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM
Segment kernel
[   23.527109] Control: 10c5387d  Table: 9cb78019  DAC: 00000015
[   23.533160] Process kworker/0:2 (pid: 36, stack limit = 0xde4ee218)
[   23.539760] Stack: (0xde4efe50 to 0xde4f0000)

[...]

[   23.665030] [<bf2581f0>] (wl12xx_set_power_on [wlcore]) from
[<bf25f7ac>] (wlcore_nvs_cb+0x118/0xa4c [wlcore])
[   23.675604] [<bf25f7ac>] (wlcore_nvs_cb [wlcore]) from [<c04387ec>]
(request_firmware_work_func+0x30/0x58)
[   23.685784] [<c04387ec>] (request_firmware_work_func) from
[<c0058e2c>] (process_one_work+0x1b4/0x4b4)
[   23.695591] [<c0058e2c>] (process_one_work) from [<c0059168>]
(worker_thread+0x3c/0x4a4)
[   23.704124] [<c0059168>] (worker_thread) from [<c005ee68>]
(kthread+0xd4/0xf0)
[   23.711747] [<c005ee68>] (kthread) from [<c000f598>]
(ret_from_fork+0x14/0x3c)
[   23.719357] Code: bad PC value
[   23.722760] ---[ end trace 981be8510db9b3a9 ]---

Prevent oops by validationg power() pointer value before
calling the function.

Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Cc: stable@vger.kernel.org
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-31 10:21:41 +02:00
Shahar Patury
3719c17e18 wlcore/wl18xx: fw logger over sdio
Enable the FW Logger to work over the SDIO interface in addition to over UART
interface. In the new design we use fw internal memory instead of packet ram
that was used in older (wl12xx) design. This change reduces the impact on TP
and stability.

A new event was added to notify fw logger is ready for reading. Dynamic
configuration to debugfs was added as well.

Signed-off-by: Shahar Patury <shaharp@ti.com>
Signed-off-by: Guy Mishol <guym@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-31 10:19:47 +02:00
Larry Finger
f99551a2d3 rtlwifi: rtl_pci: Fix kernel panic
In commit 38506ecefa (rtlwifi: rtl_pci: Start modification for new
drivers), a bug was introduced that causes a NULL pointer dereference.
As this bug only affects the infrequently used RTL8192EE and only under
low-memory conditions, it has taken a long time for the bug to show up.

The bug was reported on the linux-wireless mailing list and also at
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/ as
bug #1527603 (kernel crashes due to rtl8192ee driver on ubuntu 15.10).

Fixes: 38506ecefa ("rtlwifi: rtl_pci: Start modification for new drivers")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:36:05 +02:00
Nicholas Mc Guire
d47762633f rsi: bool tests do not need comparison
This is an API consolidation only. Bool initializations should
use true and false thus bool tests don't need an explicit comparison.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:34:26 +02:00
Nicholas Mc Guire
97d14b623c rsi: consolidate kmalloc/memset 0 calls to kzalloc
This is an API consolidation only. The use of kmalloc + memset to 0
is equivalent to kzalloc.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:32:30 +02:00
Avinash Patil
7be0f5b5e1 mwifiex: enable MSI interrupt support in pcie
Newer pcie devices (8897 onwards) support MSI. This
patch enables it.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:31:33 +02:00
Amitkumar Karwar
f3b35f2809 mwifiex: add missing check for PCIe8997 chipset
This patch ensures mwifiex_pcie_txbd_empty() does take care
of 8997 chipset.

Fixes: 6d85ef00d9 ("mwifiex: add support for 8997 chipset")
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:31:31 +02:00
Amitkumar Karwar
ce0c58d998 mwifiex: fix PCIe register information for 8997 chipset
This patch corrects some information in mwifiex_pcie_card_reg()
structure for 8997 chipset

Fixes: 6d85ef00d9 ("mwifiex: add support for 8997 chipset")
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:31:29 +02:00
chunfan chen
1d8f5c1385 mwifiex: fix potential integer truncation
At some places, ie length is truncated from u16 to u8 while
storing it to driver's internal variable. This patch fixes
the problem.

Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:31:16 +02:00
Larry Finger
b68d0ae7e5 rtlwifi: rtl8192cu: Add missing parameter setup
This driver fails to copy the module parameter for software encryption
to the locations used by the main code.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:38 +02:00
Larry Finger
b24f19f16b rtlwifi: rtl8192ce: Fix handling of module parameters
The module parameter for software encryption was never transferred to
the location used by the driver.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:36 +02:00
Larry Finger
7503efbd82 rtlwifi: rtl8192se: Fix module parameter initialization
Two of the module parameter descriptions show incorrect default values.
In addition the value for software encryption is not transferred to
the locations used by the driver.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:36 +02:00
Larry Finger
d4d60b4caa rtlwifi: rtl8192de: Fix incorrect module parameter descriptions
Two of the module parameters are listed with incorrect default values.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:35 +02:00
Larry Finger
06f34572c6 rtlwifi: rtl8188ee: Fix module parameter initialization
In this driver, parameters disable_watchdog and sw_crypto are never
copied into the locations used in the main code. While modifying the
parameter handling, the copying of parameter msi_support is moved to
be with the rest.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:34 +02:00
Larry Finger
78bae1de42 rtlwifi: rtl8821ae: Fix errors in parameter initialization
This driver failed to copy parameters sw_crypto and disable_watchdog into
the locations actually used by the driver. In addition, msi_support was
initialized three times and one of them used the wrong variable. The
initialization of parameter int_clear was moved so that it is near that
of the rest of the parameters.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:33 +02:00
Larry Finger
793b099942 rtlwifi: rtl8723ae: Fix initialization of module parameters
This driver has some errors in the handling of module parameters. These
include missing initialization for parameters msi_support and
disable_watchdog. In addition, neither of these parameters nor sw_crypto
are transferred into the locations used by the driver. A final fix is
adding parameter msi to the module named and description macros.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:31 +02:00
Larry Finger
7079604ddb rtlwifi: rtl8723be: Fix module parameter initialization
This driver has a number of errors in the module initialization. These
include the following:

Parameter msi_support is stored in two places - one is removed.
Paramters sw_crypto and disable_watchdog were never stored in the final
locations, nor were they initialized properly.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 17:06:30 +02:00
chunfan chen
84a38fb316 mwifiex: fix WPA connection problem
Device fails to connect to some AP's configured in WPA
security mode. Currently IE buffer parsing logic in driver
expects WPA IE to be present at the beginning of IE buffer.
Otherwise connection is failed with 'incompatible network
setting' error.

This patch fixes the problem by improving IE buffer parsing
logic.

Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:10 +02:00
Amitkumar Karwar
19b0a71017 mwifiex: use world for unidentified region code
It's better to use world if region code from EEPROM is
unidentied instead of forcing it to FCC

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:08 +02:00
Amitkumar Karwar
610d0af8e8 mwifiex: update region_code_index array
This array contains list of supported region codes.
It is changed to make it aligned with region code
to country mapping table in driver.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:06 +02:00
chunfan chen
7f3f1245ff mwifiex: fix wake on disconnect feature
Default gpio and gap is downloaded to firmware while
configuring host sleep for wake on disconnect. We may
have gpio and gap modified by user.

This patch fixes the problem.

Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:04 +02:00
Amitkumar Karwar
776f742040 mwifiex: fix AMPDU not setup on TDLS link problem
Sometimes AP sends TDLS setup response as AMSDU packet.
As driver doesn't parse it and update peer station's 11n
capability in this case, AMPDU doesn't get setup.

This patch calls mwifiex_process_tdls_action_frame() in
AMSDU Rx path to fix the problem.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:02 +02:00
Amitkumar Karwar
76ae3e26ea mwifiex: add debugfs file for testing reset of card
This provides an option for user to power cycle the card.
It will be used to change the firmware without actually
rebooting the system.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:01 +02:00
Amitkumar Karwar
47f336d7e0 mwifiex: remove redundant timestamp assignment
During AMSDU aggregation, we are already using timestamp
value of a first packet being aggregated. This patch removes
redundant ktime_get_real() call.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:58:00 +02:00
Amitkumar Karwar
bd642acf32 mwifiex: suppress "Rx of mgmt packet failed" message
Block ACK action frames are dropped in driver. This error
is expected in this case. Let's lower the priority of this
message.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:59 +02:00
Xinming Hu
abffd274a2 mwifiex: abort cac in del_station() handler
When hostapd is killed with Ctrl+C before cac get completed,
stop_ap handler will not be called, thus priv->wdev.cac_started
flag remains set.
Hostapd restart attempt will be failed in this case with device
busy error. This patch aborts cac in del_station handler to
handle this corner case.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:58 +02:00
Xinming Hu
b0922ffa70 mwifiex: increase supported wowlan pattern length
Maximum supported wowlan pattern length has been increased
from 20 to 40.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:57 +02:00
Xinming Hu
c8ac6a8ee8 mwifiex: fix bug for wildcard-prefix wowlan pattern
Wildcard prefix bytes are ignored while downloading packet
pattern to firmware. As packet offset is not adjusted
accordingly firmware end up matching the pattern at wrong
offset. The packet offset is corrected in this patch.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:56 +02:00
Zhaoyang Liu
5eab677799 mwifiex: advertise SMS4 cipher suite
This is needed to support WAPI functionality.

Signed-off-by: Zhaoyang Liu <liuzy@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:55 +02:00
Shengzhen Li
5b13d3e1f9 mwifiex: multiple bss support
This patch fixes issues observed while starting 3 different
bss simultaneously, eg, 2 AP + 1 STA or 3 AP

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:54 +02:00
Shengzhen Li
eb5d912e15 mwifiex: change ap and station interface limits
ap/station interface limit has been changed to allow
creating maximum 3 interfaces.

Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-30 16:57:52 +02:00
Kalle Valo
5a1f052d59 * Make scan parameters low latency aware (Avi Stern)
* Fix in the NL80211_FEATURE_FULL_AP_CLIENT_STATE state case (Ayala)
 * Fix enable injection mode (Chaya Rachel)
 * Various cleanups (Dan / Julia / myself)
 * Allow to stay more time on popular channels (David Spinadel)
 * Bug fixes for D0i3 (Eliad / Luca)
 * Fixes for GO uAPSD (myself)
 * Start of TSO support (myself)
 * Rate control bug fixes (Eyal / Gregory)
 * Start the work on 9000 devices (Johannes / Sara / Oren)
 * Start the work on a new Tx queue allocation model (Liad)
 * Debug infrastructure enhancements (Golan)
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Merge tag 'iwlwifi-next-for-kalle-2015-12-21' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* Make scan parameters low latency aware (Avi Stern)
* Fix in the NL80211_FEATURE_FULL_AP_CLIENT_STATE state case (Ayala)
* Fix enable injection mode (Chaya Rachel)
* Various cleanups (Dan / Julia / myself)
* Allow to stay more time on popular channels (David Spinadel)
* Bug fixes for D0i3 (Eliad / Luca)
* Fixes for GO uAPSD (myself)
* Start of TSO support (myself)
* Rate control bug fixes (Eyal / Gregory)
* Start the work on 9000 devices (Johannes / Sara / Oren)
* Start the work on a new Tx queue allocation model (Liad)
* Debug infrastructure enhancements (Golan)
2015-12-29 18:44:19 +02:00
Al Viro
b25472f9b9 new helpers: no_seek_end_llseek{,_size}()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-23 10:41:31 -05:00
Eliad Peller
e5d15cb530 iwlwifi: bail out in case of bad trans state
In case of bad trans state (i.e. fw is not loaded) bail
out immediately instead of calling the trans, which might
not be fully initialized yet.

Also add WARN_ON_ONCE to help debugging where the errorneous
call is coming from.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-21 19:35:41 +02:00
Emmanuel Grumbach
5d4e8d6463 iwlwifi: fix printf specifier
Smatch warned about a bad specifier being used. Fix that.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-21 10:12:08 +02:00
Emmanuel Grumbach
23ba93403b iwlwifi: remove unused parameter from grab_nic_access
All the callers used silent = false.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-21 10:11:39 +02:00
Eliad Peller
a3f7ba5c88 iwlwifi: update key params on d0i3 entrance/exit
In order to let the fw do offloading properly, we need
to provide various key data (e.g. PN).

Configure the params on d0i3 entrance, and update them
back on d0i3 exit.

Since d3 code is now called in d0i3 which requires runtime
pm only, make d3.0 depend on CONFIG_PM (rather than
CONFIG_PM_SLEEP), and add required #ifdefs and wrappers
where needed, so both CONFIG_PM=n and CONFIG_PM_RUNTIME=n
configurations will build correctly.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:43 +02:00
Ayala Beker
8be30c13eb iwlwifi: mvm: Change number of associated stations when station becomes associated
Currently, the number of associated stations gets updated when adding
a new station or removing it. This is incorrect as it's possible that
a station was inserted before it was associated
Fix this by increasing/decreasing ap_assoc_sta_count whenever
a station transitions in/out the associated state.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:43 +02:00
Oren Givon
8d0e4f8f73 iwlwifi: Update PCI IDs for 8000 and 9000 series
A new PCI IDs update to the 8000 and 9000 series.

type=feature

Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:43 +02:00
Emmanuel Grumbach
e8f0c4d87c iwlwifi: mvm: dump more registers upon error
These registers can help to debug PHY issues. Since this
adds a significant amount of work to the debug collection
phase, dump the periphery registers only if the firmware
is stopped.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:42 +02:00
Sara Sharon
585a6fccf5 iwlwifi: mvm: infrastructure for frame-release message
Incoming hardware will send frame release notifications to
the reorder buffer in order to update with the BA session
status and up to date NSSN.
This patch enables the API.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:42 +02:00
Johannes Berg
780e87c29e iwlwifi: mvm: add 9000 series RX processing
Convert the convert the new infrastructure added by previous
patches to actually use the new RX descriptor layout.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:41 +02:00
Johannes Berg
5f7a18477c iwlwifi: mvm: change iwl_mvm_get_key_sta_id() to return the station
The code in iwl_mvm_update_tkip_key() is now pretty much duplicated
with the code in iwl_mvm_get_key_sta_id() doing the station ID lookup
again after it was already done. Change iwl_mvm_get_key_sta_id() to
iwl_mvm_get_key_sta(), returning the mvm_sta pointer, to allow that
duplicate code to be removed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:41 +02:00
Chaya Rachel Ivgi
0e39eb0386 iwlwifi: mvm: Add a station in monitor mode
Currently when creating a new vif in monitor mode the driver doesn't
allocate a specific station. This causes that in the situation that
tx traffic is injected, the tx queues are not scheduled,
with the result of a TFD queue hang.
Fix that by allocating a station and ensuring its tx queues
are scheduled.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=104591

Signed-off-by: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:40 +02:00
David Spinadel
c3e230b167 iwlwifi: mvm: add extended dwell time
When doing active scan on crowded channels we are likely to miss probe
responses due to collisions. To overcome this issue we use an extended
dwell time on channels 1, 6 and 11; this dwell time is set to 100.

In case of fragmented scan extended dwell time is the maximum out of
channel time - 44 msec. Fragmented active scan will be addressed later.

Extended dwell time isn't used in sched scan or p2p find.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:40 +02:00
Emmanuel Grumbach
c81240707c iwlwifi: mvm: small update in the firmware API
Small change in firmware API, no functional change.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:39 +02:00
Golan Ben-Ami
c91b865cb1 iwlwifi: mvm: support description for user triggered fw dbg collection
Add to the user triggered fw debug collection support for describing
the reason of the trigger.
This could be useful for identifying a dump by a unique id, passed as
a description.

Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:39 +02:00
Sara Sharon
70b4c53646 iwlwifi: mvm: enable L3 filtering
Firmware will support filtering multicast L3 packets.
The L3 filtering is configured by the WOWLAN_CONFIG command.
All flags should be enabled by default.
Older firmware is not affected as it does not look into
this field.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:38 +02:00
Luca Coelho
9c3deeb51b iwlwifi: mvm: refactor the way fw_key_table is handled
Instead of keeping the fw_key_table bits set when the keys are removed
(i.e. in D3 entry or HW_RESTART flows), clear them and set them again
only when the keys have been successfully re-added.  This makes the
bitmask more closely tied to the actual firmware programming.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:38 +02:00
Emmanuel Grumbach
6ae57b293b iwlwifi: 9000: increase the number of queues
9000 family devices have 31 queues.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:37 +02:00
Emmanuel Grumbach
6eb5e529d7 iwlwifi: pcie: build an A-MSDU using TSO core
When the op_mode sends an skb whose payload is bigger than
MSS, PCIe will create an A-MSDU out of it. PCIe assumes
that the skb that is coming from the op_mode can fit in one
A-MSDU. It is the op_mode's responsibility to make sure
that this guarantee holds.

Additional headers need to be built for the subframes.
The TSO core code takes care of the IP / TCP headers and
the driver takes care of the 802.11 subframe headers.

These headers are stored on a per-cpu page that is re-used
for all the packets handled on that same CPU. Each skb
holds a reference to that page and releases the page when
it is reclaimed. When the page gets full, it is released
and a new one is allocated.

Since any SKB that doesn't go through the fast-xmit path
of mac80211 will be segmented, we can assume here that the
packet is not WEP / TKIP and has a proper SNAP header.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 23:27:37 +02:00
Emmanuel Grumbach
3f73b8cad1 iwlwifi: clear ieee80211_tx_info->driver_data in the op_mode
The transport will need to use the info->driver_data
pointers. Since the op_mode has this memory hot in cache,
clear it there.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 14:48:23 +02:00
Emmanuel Grumbach
3a0b2a4225 iwlwifi: pcie: re-organize code towards TSO
The code that handles the TBs that contain the WiFi payload
will be changed for TSO. Move the current code into a
separate function.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 14:48:23 +02:00
Emmanuel Grumbach
a3713f8bdd iwlwifi: mvm: prepare the code towards TSO implementation
Differentiate between the cases where the skb is a large
send and the other cases.
Advertise TSO even if, at this stage, skb_gso_segment will
be called and it will do all the work.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 14:48:23 +02:00
Emmanuel Grumbach
41837ca962 iwlwifi: pcie: allow to pretend to have Tx CSUM for debug
Allow to configure the driver to pretend to have TX CSUM
offload support. This will be useful to test the TSO flows
that will come in further patches.
This configuration is disabled by default.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 14:48:22 +02:00
Emmanuel Grumbach
cb2f827795 iwlwifi: change the Intel Wireless email address
ilw@linux.intel.com is not available anymore.
linuxwifi@intel.com should be used instead.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-20 14:48:22 +02:00
Emmanuel Grumbach
12f17211f7 * don't load firmware that won't exist for 7260
* fix RCU splat
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Merge tag 'iwlwifi-for-kalle-2015-12-16' into next

* don't load firmware that won't exist for 7260
* fix RCU splat
2015-12-20 14:48:08 +02:00
Kalle Valo
01d85b9b2b * don't load firmware that won't exist for 7260
* fix RCU splat
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Merge tag 'iwlwifi-for-kalle-2015-12-16' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

* don't load firmware that won't exist for 7260
* fix RCU splat
2015-12-18 14:57:02 +02:00
Kalle Valo
d0ca990067 Merge ath-next from ath.git
Major changes:

ath9k

* add random number generator support (CONFIG_ATH9K_HWRNG)
2015-12-16 16:28:20 +02:00
Julia Lawall
e70d41b59f iwlwifi: dvm: fix compare_const_fl.cocci warnings
Move constants to the right of binary operators.

Generated by: scripts/coccinelle/misc/compare_const_fl.cocci

type=cleanup

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-16 10:21:32 +02:00
Sara Sharon
c97dab4079 iwlwifi: mvm: change protocol offload flows
RFC4862 states that "In all cases, a node MUST NOT respond to
a Neighbor Solicitation for a tentative address".
Currently the driver configures the NS offload and does not wait
for address to become permanent, thus violating the RFC.
Just removing the address from the address list is not good enough
for all cases, since the NS messages are needed for the duplicate
address detection and should not be discarded.

For d0i3 disable NS offload. Put tentative address in the address
list so the NS packet will not be filtered out by ucode.
For D3 the platform will not wake from NS packets - so enable
NS offload while removing the tentative address from the list.

Given that now NS offload might be disabled, and that the ucode
uses the IP data for other puroposes (L3 filtering) add two
independent flags indicating if IPv4\IPv6 data is valid.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-16 10:19:53 +02:00
Golan Ben-Ami
e6eb8ca9e4 iwlwifi: expose fw usniffer mode to more utilities
Today, in order to configure fw in usniffer mode, the ucode
must have the corresponding tlv, which is revealed to the driver
while parsing the ucode.

Expose the mode of the usniffer to other utilities in the driver
(other than the ucode parser) by passing back a pointer to the value.
This can be very useful for allowing configuring the fw dbg data
using an external configuration file, because this configuration
depends on the fw usniffer mode.

Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-16 10:19:21 +02:00
Peter Oh
7c97b72a62 ath10k: allow Mesh Point to install peer security key
Mesh Point requires peer security key install when running
in secured mode since it's a type of peer links, otherwise peer
link will be removed due to key install failure.

MFP feature set is required to run Mesh in secured mode and
QCA988X firmware, 10.2.4.70.14-2 and above, is the only one
supporting secured Mesh at this moment.

Signed-off-by: Peter Oh <poh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-14 12:59:40 +02:00
Johannes Berg
4585436091 iwlwifi: mvm: protect RCU dereference in iwl_mvm_get_key_sta_id
Properly protect the RCU dereference in iwl_mvm_get_key_sta_id() when
coming from iwl_mvm_update_tkip_key() which cannot hold the mvm->mutex
by moving the call into the RCU critical section.
Modify the check to use rcu_dereference_check() to permit this.

Fixes: 9513c5e18a ("iwlwifi: mvm: Avoid dereferencing sta if it was already flushed")
Reported-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 13:38:26 +02:00
Johannes Berg
628a2918af iwlwifi: separate firmware version for 7260 devices
The 7260 devices aren't going to be updated for completely new
firmware versions any more (only bugfixes), and haven't been
since API version 17. Encode that in the data structures to
avoid trying to load FW images that will never exist.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 13:38:26 +02:00
Luca Coelho
b7282643bf iwlwifi: replace d0i3_mode and wowlan_d0i3 with more generic variables
The d0i3_mode variable is used to distinguish between transports that
handle d0i3 entry during suspend by themselves (i.e. the slave
transports) and those which rely on the op_mode layer to do it.  The
reason why the former do it by themselves is that they need to
transition from d0i3 in runtime_suspend into d0i3 in system-wide
suspend and this transition needs to happen before the op_mode's
suspend flow is called.

The wowlan_d0i3 element is also a bit confusing, because it just
reflects the wowlan->any value for the trans to understand.  This is a
bit unclear in the code and not generic enough for future use.

To make it clearer and to generalize the platform power mode settings,
introduce two variables to indicate the platform power management
modes used by the transport.

Additionally, in order not to take too big a step in one patch, treat
this new variables semantically in the same way as the old d0i3_mode
element, introducing a iwl_mvm_enter_d0i3_on_suspend() function to
help with that.

This commit also adds the foundation for a new concept where the
firmware configuration state (i.e. D0, D3 or D0i3) is abstracted from
the platform PM mode we are in (i.e. runtime suspend or system-wide
suspend).

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 13:10:45 +02:00
Eliad Peller
34672bb390 iwlwifi: mvm: remove the vif parameter of iwl_mvm_configure_bcast_filter()
Remove the vif parameter of iwl_mvm_configure_bcast_filter()
as it's not being used.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 13:08:53 +02:00
Eliad Peller
08f0d23d97 iwlwifi: avoid d0i3 commands when no/init ucode is loaded
d0i3 commands are not supported in the init image, so take
a reference to ensure we don't enter d0i3 during init image,
and additional checks to prevent d0i3 commands when no
fw image is loaded.

Add a few WARN_ON_ONCE to the d0i3 enter/exit commands
to ensure we send d0i3 commands only when the normal
ucode is loaded.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 13:05:03 +02:00
Emmanuel Grumbach
36be0eb62e iwlwifi: mvm: close the SP if we send fewer frames than expected in SP
When we have holes in the BA window, there might be frames
that have been ACKed between the read and the right
pointers. This means that these frames won't be scheduled
again by the SCD and the firwmare won't see them.
This invalidates the number of frames we tell the firmware
to send. When we detect this case, tell mac80211 to close
the SP and to send an EOSP so that the firmware can be in
sync.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 09:42:56 +02:00
Emmanuel Grumbach
9b18d42dda This pull request got a bit bigger than I wanted, due to
needing to reshuffle and fix some bugs. I merged mac80211
 to get the right base for some of these changes.
 
  * new mac80211 API for upcoming driver changes: EOSP handling,
    key iteration
  * scan abort changes allowing to cancel an ongoing scan
  * VHT IBSS 80+80 MHz support
  * re-enable full AP client state tracking after fixes
  * various small fixes (that weren't relevant for mac80211)
  * various cleanups
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Merge tag 'mac80211-next-for-davem-2015-12-07' into next

This pull request got a bit bigger than I wanted, due to
needing to reshuffle and fix some bugs. I merged mac80211
to get the right base for some of these changes.

 * new mac80211 API for upcoming driver changes: EOSP handling,
   key iteration
 * scan abort changes allowing to cancel an ongoing scan
 * VHT IBSS 80+80 MHz support
 * re-enable full AP client state tracking after fixes
 * various small fixes (that weren't relevant for mac80211)
 * various cleanups
2015-12-13 09:41:59 +02:00
Sharon Dvir
39bdb17ebb iwlwifi: update host command messages to new format
Host commands now have a group id, express this in printed messages.

Signed-off-by: Sharon Dvir <sharon.dvir@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:56:17 +02:00
Emmanuel Grumbach
92fe83430b iwlwifi: uninline iwl_trans_send_cmd
This function got too big to be inlined. Uninline it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:53 +02:00
Emmanuel Grumbach
156f92f2b4 iwlwifi: block the queues when we send ADD_STA for uAPSD
We send an ADD_STA to instruct the firmware to release
frames despite the peer being in PS.
Since the ADD_STA command and the Tx frame that comes
immediately afterwards can be reordered by the DMA engine,
we need to block the Tx queues until the firmware replies
with the ADD_STA response.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:53 +02:00
Emmanuel Grumbach
dcbb474628 iwlwifi: trans: support a callback for ASYNC commands
This allows the op_mode to request from the transport to
call a callback when an ASYNC commands is completed by
the firmware. The same callback will be called for all the
commands. Pass the command whose response triggers the
callback as a parameter to the callback itself.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:52 +02:00
Emmanuel Grumbach
0cd58eaab1 iwlwifi: pcie: allow the op_mode to block the tx queues
In certain flows (see next patches), the op_mode may need to
block the Tx queues for a short period. Provide an API for
that. The transport is in charge of counting the number of
times the queues are blocked since the op_mode may block the
queues several times in a row before unblocking them.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:52 +02:00
Eliad Peller
3f50a69077 iwlwifi: mvm: check iwl_mvm_wowlan_config_key_params() return value
commit 9a4c830007817e ("iwlwifi: mvm: refactor d3 key
update functions") refactored some code into
iwl_mvm_wowlan_config_key_params() function, but the
return value was never checked, and not all the function
flows returned valid values. fix it.

Fixes: ac8ef0ce38 ("iwlwifi: mvm: refactor d3 key update functions")
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:51 +02:00
Eliad Peller
305d236e83 iwlwifi: mvm: cleanup roc te on restart cleanup
iwl_mvm_restart_cleanup() calls ieee80211_remain_on_channel_expired()
on cleanup, but it doesn't clean the actual roc time
events, resulting in failure of further ROC attempts.

Refactor iwl_mvm_stop_roc() a bit, and add a new function
to only cleanup the roc time events (without sending further
commands).

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:51 +02:00
Dan Carpenter
95a451c5e2 iwlwifi: mvm: remove an extra tab
Smatch prints a static checker warning here:

    drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c:386 iwl_dump_prph()
    warn: curly braces intended?

Curly braces are NOT intended, the extra tab was added by mistake in
commit 1a616dd2f1 ('iwlwifi: dump prph registers in a common place
for all transports').

type=cleanup

Signed-off-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>
2015-12-13 08:52:50 +02:00
Johannes Berg
07abbc5068 iwlwifi: dvm: advertise NETIF_F_SG
If the transport supports it, advertise NETIF_F_SG to mac80211 to
be able to use frag SKBs. This will already improve performance by
allowing software GSO to be used.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:48 +02:00
Johannes Berg
2d7cf5497c iwlwifi: mvm: advertise NETIF_F_SG
If the transport supports it, advertise NETIF_F_SG to mac80211 to
be able to use frag SKBs. This will already improve performance by
allowing software GSO to be used.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:52:29 +02:00
Eyal Shapira
e8b3f7b6e7 iwlwifi: mvm: rs: fix a potential out of bounds access
Klocwork pointed these out. There is a theoretical possibility
that rate->index might be set to IWL_RATE_INVALID (15).
This could trigger an out of bounds access on ht_vht_rates or
legacy_rates arrays. Fix it by adding some checks.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:22:31 +02:00
Avraham Stern
355346ba30 iwlwifi: mvm: configure scheduled scan according to traffic conditions
Change scan configuration (dwell time, suspend time etc.) according
to traffic conditions. This is useful for scans that are managed by
the FW (e.g. scheduled scan).

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:21:41 +02:00
Liad Kaufman
cf0cda1910 iwlwifi: mvm: set default new STA as non-aggregated
When sending the first ADD_STA HCMD for a STA, the %add_modify
field indicates an addition of a STA and not a modification
of one. In such a case, all fields of the HCMD are used to
initialize the corresponding fields in the FW, regardless of
what bits are set in %modify_mask.

Set the %tid_disable_tx field to mvm_sta->tid_disable_agg in
iwl_mvm_sta_send_to_fw(). If the STA is only updated this will
have no effect, but if it is added - it will make sure the
STA starts with the correct queues - if any - configured as
non-aggregated by default (until told otherwise).

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:19:36 +02:00
Gregory Greenman
99319b8c23 iwlwifi: mvm: add an option to start rs from HT/VHT rates
Extend the configurable option of setting initial rate to RSSI based.
Make the initial rate to be set to VHT/HT SISO or legacy depending on
the AP capabilities.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-13 08:05:00 +02:00
Colin Ian King
ba38a1718b ath9k: fix inconsistent indenting on return statement
minor change, indenting is one tab out.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-11 14:09:00 +02:00
Miaoqing Pan
ed14dc0af7 ath9k: feeding entropy in kernel from ADC capture
This patch is derived from
commit 6301566e0b ("ath9k: export HW random number generator"),

We evaluated the entropy of the ADC data on QCA9531, QCA9561, QCA955x,
and AR9340, and it has sufficient quality random data (at least 10 bits
and up to 22 bits of min-entropy for a 32-bit value). We conservatively
assume the min-entropy is 10 bits out of 32 bits. Thus, ATH9K_RNG_BUF_SIZE
is set to 320 (u32) i.e., 1.25 kilobytes of data is inserted to fill up
the pool as soon as the entropy counter becomes 896/4096 (set by random.c).
Since ADC was not designed to be a dedicated HW RNG, we do not want to bind
it to /dev/hwrng framework directly. This patch feeds the entropy directly
from the WiFi driver to the input pool. The ADC register output is only
used as a seed for the Linux entropy pool. No conditioning is needed,
since all the conditioning is performed by the pool itself.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-11 14:08:58 +02:00
Miaoqing Pan
f0b2c30a20 ath9k: fix AR_RX_FILTER for ar9462/ar9565 when rx stopped
When rx stopped, AR_RX_FILTER should be cleared, but in
ath9k_hw_setrxfilter(), ATH9K_RX_FILTER_CONTROL_WRAPPER will always
be set for ar9462/ar9565.

Fix this by moving the code in ath9k_hw_setrxfilter() to
ath_calcrxfilter().

Signed-off-by: Miaoqing Pan <miaoqing@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-11 14:08:57 +02:00
Ben Greear
efc2b2b50c ath6kl: add log messages for firmware failure cases.
This gives a user a chance to know why a firmware load
is failing.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-11 14:08:55 +02:00
Ben Greear
26ca14d427 ath6kl: fix tx/rx antenna reporting for 2x2 devices
My previous patch incorrectly reported the antenna
for 2x2 devices. It should be a mask instead of
a numeric count. This patch fixes that.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-11 14:08:53 +02:00
Uri Mashiach
9b2761cb72 wlcore/wl12xx: spi: fix oops on firmware load
The maximum chunks used by the function is
(SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE + 1).
The original commands array had space for
(SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) commands.
When the last chunk is used (len > 4 * WSPI_MAX_CHUNK_SIZE), the last
command is stored outside the bounds of the commands array.

Oops 5 (page fault) is generated during current wl1271 firmware load
attempt:

root@debian-armhf:~# ifconfig wlan0 up
[  294.312399] Unable to handle kernel paging request at virtual address
00203fc4
[  294.320173] pgd = de528000
[  294.323028] [00203fc4] *pgd=00000000
[  294.326916] Internal error: Oops: 5 [#1] SMP ARM
[  294.331789] Modules linked in: bnep rfcomm bluetooth ipv6 arc4 wl12xx
wlcore mac80211 musb_dsps cfg80211 musb_hdrc usbcore usb_common
wlcore_spi omap_rng rng_core musb_am335x omap_wdt cpufreq_dt thermal_sys
hwmon
[  294.351838] CPU: 0 PID: 1827 Comm: ifconfig Not tainted
4.2.0-00002-g3e9ad27-dirty #78
[  294.360154] Hardware name: Generic AM33XX (Flattened Device Tree)
[  294.366557] task: dc9d6d40 ti: de550000 task.ti: de550000
[  294.372236] PC is at __spi_validate+0xa8/0x2ac
[  294.376902] LR is at __spi_sync+0x78/0x210
[  294.381200] pc : [<c049c760>]    lr : [<c049ebe0>]    psr: 60000013
[  294.381200] sp : de551998  ip : de5519d8  fp : 00200000
[  294.393242] r10: de551c8c  r9 : de5519d8  r8 : de3a9000
[  294.398730] r7 : de3a9258  r6 : de3a9400  r5 : de551a48  r4 :
00203fbc
[  294.405577] r3 : 00000000  r2 : 00000000  r1 : 00000000  r0 :
de3a9000
[  294.412420] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM
Segment user
[  294.419918] Control: 10c5387d  Table: 9e528019  DAC: 00000015
[  294.425954] Process ifconfig (pid: 1827, stack limit = 0xde550218)
[  294.432437] Stack: (0xde551998 to 0xde552000)

...

[  294.883613] [<c049c760>] (__spi_validate) from [<c049ebe0>]
(__spi_sync+0x78/0x210)
[  294.891670] [<c049ebe0>] (__spi_sync) from [<bf036598>]
(wl12xx_spi_raw_write+0xfc/0x148 [wlcore_spi])
[  294.901661] [<bf036598>] (wl12xx_spi_raw_write [wlcore_spi]) from
[<bf21c694>] (wlcore_boot_upload_firmware+0x1ec/0x458 [wlcore])
[  294.914038] [<bf21c694>] (wlcore_boot_upload_firmware [wlcore]) from
[<bf24532c>] (wl12xx_boot+0xc10/0xfac [wl12xx])
[  294.925161] [<bf24532c>] (wl12xx_boot [wl12xx]) from [<bf20d5cc>]
(wl1271_op_add_interface+0x5b0/0x910 [wlcore])
[  294.936364] [<bf20d5cc>] (wl1271_op_add_interface [wlcore]) from
[<bf15c4ac>] (ieee80211_do_open+0x44c/0xf7c [mac80211])
[  294.947963] [<bf15c4ac>] (ieee80211_do_open [mac80211]) from
[<c0537978>] (__dev_open+0xa8/0x110)
[  294.957307] [<c0537978>] (__dev_open) from [<c0537bf8>]
(__dev_change_flags+0x88/0x148)
[  294.965713] [<c0537bf8>] (__dev_change_flags) from [<c0537cd0>]
(dev_change_flags+0x18/0x48)
[  294.974576] [<c0537cd0>] (dev_change_flags) from [<c05a55a0>]
(devinet_ioctl+0x6b4/0x7d0)
[  294.983191] [<c05a55a0>] (devinet_ioctl) from [<c0517040>]
(sock_ioctl+0x1e4/0x2bc)
[  294.991244] [<c0517040>] (sock_ioctl) from [<c017d378>]
(do_vfs_ioctl+0x420/0x6b0)
[  294.999208] [<c017d378>] (do_vfs_ioctl) from [<c017d674>]
(SyS_ioctl+0x6c/0x7c)
[  295.006880] [<c017d674>] (SyS_ioctl) from [<c000f4c0>]
(ret_fast_syscall+0x0/0x54)
[  295.014835] Code: e1550004 e2444034 0a00007d e5953018 (e5942008)
[  295.021544] ---[ end trace 66ed188198f4e24e ]---

Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Cc: stable@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:54:23 +02:00
Hante Meuleman
a41286aee4 brcmfmac: Move scheduled scan related interface layer structs
All interface layer related to scheduled scan are moved in
fwil_types.h

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:52:22 +02:00
Hante Meuleman
f3fb75038d brcmfmac: Change error print in debug print
The pcie suspend and resume routines contain some error prints,
which should have been debug prints.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:52:20 +02:00
Arend van Spriel
540313d8f9 brcmfmac: add 43242 device id for LG dongle
Got a hint on IRC that a 43242 dongle for LG smart TV's works with
brcmfmac:

> Hello - I recently got a LG AN-WF500 wireless dongle for LG's SmartTVs.
> From the information I gathered it uses a Broadcom chipset BCM43242.
> The device should have been supported by brcmfmac kernel driver if it used
> USB IDs 0a5c:bd1f.
> My device however identifies itself as "ID 043e:3101 LG Electronics USA, Inc.".
> I then tried adding the USB ID to the driver with
> "echo "043e 3101" > /sys/bus/usb/drivers/brcmfmac/new_id" and it just works.
> The kernel provides the following information.
> [15958.851291] usb 3-1.1.3: new high-speed USB device number 53 using ehci-pci
> [15958.946723] usb 3-1.1.3: New USB device found, idVendor=043e, idProduct=3101
> [15958.946728] usb 3-1.1.3: New USB device strings: Mfr=1, Product=4, SerialNumber=3
> [15958.946731] usb 3-1.1.3: Product: Composite Wireless Adapter
> [15958.946733] usb 3-1.1.3: Manufacturer: Broadcom
> [15958.946735] usb 3-1.1.3: SerialNumber: 28458

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:52:05 +02:00
Kosuke Tatsukawa
a7decc44a0 brcmfmac: fix waitqueue_active without memory barrier in brcmfmac driver
brcmf_msgbuf_ioctl_resp_wake() seems to be missing a memory barrier
which might cause the waker to not notice the waiter and miss sending a
wake_up as in the following figure.

  brcmf_msgbuf_ioctl_resp_wake		    brcmf_msgbuf_ioctl_resp_wait
------------------------------------------------------------------------
if (waitqueue_active(&msgbuf->ioctl_resp_wait))
/* The CPU might reorder the test for
   the waitqueue up here, before
   prior writes complete */
   	   	     	 	       /* wait_event_timeout */
				        /* __wait_event_timeout */
					 /* ___wait_event */
					 prepare_to_wait_event(&wq, &__wait,
					   state);
					 if (msgbuf->ctl_completed)
					 ...
msgbuf->ctl_completed = true;
					 schedule_timeout(__ret))
------------------------------------------------------------------------

There are three other place in drivers/net/wireless/brcm80211/brcmfmac/
which have similar code.  The attached patch removes the call to
waitqueue_active() leaving just wake_up() behind.  This fixes the
problem because the call to spin_lock_irqsave() in wake_up() will be an
ACQUIRE operation.

I found this issue when I was looking through the linux source code
for places calling waitqueue_active() before wake_up*(), but without
preceding memory barriers, after sending a patch to fix a similar
issue in drivers/tty/n_tty.c  (Details about the original issue can be
found here: https://lkml.org/lkml/2015/9/28/849).

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Kosuke Tatsukawa <tatsu@ab.jp.nec.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:51:59 +02:00
Hante Meuleman
b0a790883e brcmfmac: Fix IBSS setup
IBSS got broken over time. Disconnect events should not be given
for IBSS mode and connect events for IBSS need to have channel
information.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:54 +02:00
Arend van Spriel
353c46ac9e brcmfmac: no interface combination check for single interface
The interface combinations are intended for use-case in which the driver
handles multiple interface concurrently. This means that the combinations
do not need to be checked when there is only a single interface active.

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>
2015-12-11 13:51:51 +02:00
Hante Meuleman
fdf3456422 brcmfmac: Add support for PCIE 4350 revision 5 device
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:45 +02:00
Hante Meuleman
a7b82d4741 brcmfmac: Make TDLS a detectable feature
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:25 +02:00
Hante Meuleman
6c404f34f2 brcmfmac: Cleanup pmksa cache handling code
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:23 +02:00
Hante Meuleman
4235edcdfc brcmfmac: Remove some redundant cfg80211 data
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:21 +02:00
Hante Meuleman
675f5d82a7 brcmfmac: Use local storage for ssid iovar
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:19 +02:00
Hante Meuleman
1678ba8ed3 brcmfmac: Simplify scan timing configuration
No need to pass timing configuration in local functions as they are
static anyway.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@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>
2015-12-11 13:51:16 +02:00
Arnd Bergmann
31ced24d88 iwlegacy: mark il_adjust_beacon_interval as noinline
With the new optimized do_div() code, some versions of gcc
produce obviously incorrect code that leads to a link error
in iwlegacy/common.o:

drivers/built-in.o: In function `il_send_rxon_timing':
:(.text+0xa6b4d4): undefined reference to `____ilog2_NaN'
:(.text+0xa6b4f0): undefined reference to `__aeabi_uldivmod'

In a few thousand randconfig builds, I have seen this problem
a couple of times in this file, but never anywhere else in the
kernel, so we can try to work around this in the only file
that shows the behavior, by marking the il_adjust_beacon_interval
function as noinline, which convinces gcc to use the unoptimized
do_div() all the time.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:50:14 +02:00
Peter Wu
17bc55864f rtlwifi: fix memory leak for USB device
Free skb for received frames with a wrong checksum. This can happen
pretty rapidly, exhausting all memory.

This fixes a memleak (detected with kmemleak). Originally found while
using monitor mode, but it also appears during managed mode (once the
link is up).

Cc: stable@vger.kernel.org
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:48:42 +02:00
Julia Lawall
6b904f6252 prism54: fix compare_const_fl.cocci warnings
Move constants to the right of binary operators.

Generated by: scripts/coccinelle/misc/compare_const_fl.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:47:47 +02:00
Julia Lawall
fc30c30554 mwifiex: fix semicolon.cocci warnings
Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:40:21 +02:00
Julia Lawall
631d464d3d brcm80211: fix compare_const_fl.cocci warnings
Move constants to the right of binary operators.

Generated by: scripts/coccinelle/misc/compare_const_fl.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:25:25 +02:00
Amitkumar Karwar
7cfd829cfe mwifiex: correction in region code to country mapping
EU is not a valid country in db.txt file. Hence regulatory_hint
returns failure if EEPROM provides region code as 0x30. Let's
use FR for 0x30.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:24:15 +02:00
Amitkumar Karwar
947d315257 mwifiex: don't follow AP if country code received from EEPROM
If device has already received country information from
EEPROM, we won't parse AP's country IE and download it to
firmware. We will also set regulatory flags to disable beacon
hints and ignore country IE.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:24:14 +02:00
Amitkumar Karwar
658cb59232 mwifiex: set regulatory info from EEPROM
Driver gets country information from EEPROM during
initialization. We will call regulatory_hint to update
current regulatory domain.
As by default world regulatory domain is selected by
cfg80211, country '00' from EEPROM is ignored.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:24:13 +02:00
Amitkumar Karwar
d2b0c735eb mwifiex: handle start AP error paths correctly
It's been observed that even if firmware returns an error
for a configuration command, we go ahead and start AP.

This patch changes the command type from async to sync
so that threads waits for command response and return
failure start AP.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:24:11 +02:00
Amitkumar Karwar
d5556e8761 mwifiex: parse adhoc start/join result
Even if ADHOC start or join attempt is failed, these commands
are returned with success status by firmware. Actual connection
result is provided inside command response.

This patch parses the adhoc connection result and resets
connection state variables if connection is not successful.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:24:10 +02:00
Dan Carpenter
bd9a212bab prism54: off by one BUG_ON() test
This code was supposed to trigger a BUG() if we truncate the output but
it's off by one so it allows one character to be truncated.  Really
drivers shouldn't call BUG_ON() and especially for something minor like
this so I've changed it to a WARN_ON().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:22:57 +02:00
Dan Carpenter
9e4aee43dc hostap: fix an error code in prism2_config()
The current code returns success if prism2_init_local_data() fails, but
we want to return an error code.  Also we can remove the bogus
ret initializer because it is wrong and never used.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:22:04 +02:00
Dan Carpenter
97276c10cb mwifiex: remove an unneeded condition
We already know that "wep_key->key_length" is set so there is no need to
check again.  Also the last curly brace was indented too far.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:16:50 +02:00
Dan Carpenter
3f0267f6f7 iwlegacy: cleanup end of il_send_add_sta()
This code causes a static checker warning because we check for
"if (ret == 0)" but we have already had verified that was true.  Clean
it up a little.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:15:49 +02:00
Dan Carpenter
09ad44efe7 cw1200: remove some dead code
If the mode is NL80211_IFTYPE_UNSPECIFIED then we return success at the
start of the function so this condition is never true.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:15:08 +02:00
Colin Ian King
b513cac22a brcmfmac: only lock and unlock fws if fws is not null
There is a null ptr check for fws to set bcmc_credit_check, however,
there a lock and unlock on fws should only performed if fwts is
also not null to also avoid a potential null pointer deference.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:14:10 +02:00
Guy Mishol
133b7326e9 wlcore: split wl12xx/wl18xx sg parameters
Align to new wl18xx sg parameters.
This requires to split both wl12xx/wl18xx enumerators.

Signed-off-by: Guy Mishol <guym@ti.com>
Acked-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-12-11 13:10:59 +02:00
David S. Miller
e370abd956 brcfmac
* support bcm4359 which can operate in two bands concurrently
 * disable runtime pm for USB avoiding issues
 * use generic pm callback in PCIe driver
 * support wowlan wake indication reporting
 * add beamforming support
 * unified handling of firmware files
 
 ath10k
 
 * support Manegement Frame Protection (MFP)
 * add thermal throttling support for 10.4 firmware
 * add support for pktlog in QCA99X0
 * add debugfs file to enable Bluetooth coexistence feature
 * use firmware's native mesh interface type instead of raw mode
 
 iwlwifi
 
 * BT coex improvements
 * D3 operation bugfixes
 * rate control improvements
 * firmware debugging infra improvements
 * ground work for multi Rx
 * various security fixes
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Merge tag 'wireless-drivers-next-for-davem-2015-12-07' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Vallo says:

====================
brcfmac

* support bcm4359 which can operate in two bands concurrently
* disable runtime pm for USB avoiding issues
* use generic pm callback in PCIe driver
* support wowlan wake indication reporting
* add beamforming support
* unified handling of firmware files

ath10k

* support Manegement Frame Protection (MFP)
* add thermal throttling support for 10.4 firmware
* add support for pktlog in QCA99X0
* add debugfs file to enable Bluetooth coexistence feature
* use firmware's native mesh interface type instead of raw mode

iwlwifi

* BT coex improvements
* D3 operation bugfixes
* rate control improvements
* firmware debugging infra improvements
* ground work for multi Rx
* various security fixes
====================

Conflicts:
	drivers/net/wireless/ath/ath10k/pci.c

The conflict resolution at:

	http://article.gmane.org/gmane.linux.kernel.next/37391

by Stephen Rothwell was used.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-08 12:39:15 -05:00
Janusz Dziedzic
05a85a6c42 ath9k: remove ath9k_mod_tsf64_tu
Remove ath9k_mod_tsf64_tu() function while we could
use div_u64_rem() function.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:51:05 +02:00
Janusz Dziedzic
02edab5b5f ath9k: MCC, print time elapsed between events
This is useful for MCC debugging and bug fixing.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:51:02 +02:00
Janusz Dziedzic
a64d876ef7 ath9k: MCC, add NOA also in case of an AP
In case of MCC and AP interface, add also NOA attr
that will inform stations about absence of an AP.
There is a chance that some stations will handle
this NOA attr correctly and will know exactly when
AP is present/absent.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:58 +02:00
Janusz Dziedzic
b10b7fb31a ath9k: P2P_CLIENT, get/set NOA correctly
In case we get BSS_CHANGED_P2P_PS early, from
mac80211, we didn't set NOA timer correctly,
while p2p_ps_vif was NULL.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:55 +02:00
Janusz Dziedzic
3edbf0ba04 ath9k: MCC enable Opportunistic Power Save
When adding NOA attr enable Opportunistic Power Save.
Before we calculate ctwindow but didn't enable oppps.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:52 +02:00
Janusz Dziedzic
c1b7bea038 ath9k: setup correct skb priority for nullfunc
After queue nullfunc for MCC case, we hit WARN_ON
in xmit.c:2398 while skb priority wasn't set.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:48 +02:00
Janusz Dziedzic
631c45f419 ath9k: use u32 when calculate tsf
Use u32 while ath9k_hw_gettsf32() and
ath9k_hw_gen_timer_start() require u32.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:45 +02:00
Janusz Dziedzic
b77b59ae8a ath9k: P2P_CLIENT, send frames after 1ms AP/GO will aprear
AP/GO will aprear after NOA, wait 1ms to be sure AP
could receive/answer this frames.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:41 +02:00
Janusz Dziedzic
60337ed863 ath9k: queue null frames in case of MCC
While mac80211 using null frames when connection polling,
we should queue this frames while NOA could be there, and
AP, P2P_GO could be not present.

Without this patch, with no traffic we often saw disconnections
while we try to send nullfunc when AP/GO wasn't present.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:38 +02:00
Janusz Dziedzic
2f985539b9 ath9k: print real timer value
In case of low HZ before this patch we saw wrong
values in debug message. Print real timeout value.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:35 +02:00
Janusz Dziedzic
58bb9ca84c ath9k: add debug messages to aggr/chanctx funcs
Add/extend debug messages when chanctx used.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:31 +02:00
Maya Erez
452133a717 wil6210: prevent external wmi commands during suspend flow
In __wmi_send we check if fw is ready at the beginning of the function.
While we wait for the completion of the previous command, system suspend
can be invoked and reset the HW, causing __wmi_send to read from HW
registers while it is not ready.
Taking the wmi_mutex in the reset flow when setting the FW ready bit
to zero will prevent the above race condition.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:28 +02:00
Bob Copeland
410d13a6b0 ath5k: fix RTS/CTS by using proper rate flags
The rates in the tx control rateset do not have the protection
flags applied, so RTS/CTS would never get enabled if requested.

Fix by using the rate flags in the rates returned by
ieee80211_get_tx_rates().

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:24 +02:00
Steve deRosier
79fd1709b6 ath6kl: Don't print error message when recv is canceled
An error message ath6kl_htc_rxmsg_pending_handler isn't appropate for when
the error is ECANCELED. This could be the result of a perfectly appropriate
RX cancel due to shutdown or suspend. This allows the right cleanup to
continue, but without an alarming error message in this particular case.

Signed-off-by: Steve deRosier <steve.derosier@lairdtech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:21 +02:00
Martin Blumenstingl
6fa658fd5a ath9k: Simplify and fix eeprom endianness swapping
The three eeprom implementations had quite some duplicate code when it
came to endianness swapping.
Additionally there was a bug in eeprom_4k and eeprom_9287 which
prevented the endianness swapping from working correctly, because the
swapping code was guarded within an "if (!ath9k_hw_use_flash(ah))". In
eeprom_def this check did not exist, so it seems that eeprom_def was the
only implementation where endianness swapping worked.

This patch takes the duplicate code and moves it from eeprom_* to
eeprom.c. The new code is derived from eeprom_def, while taking into
account the specifics from the other implementations.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:18 +02:00
Felix Fietkau
b057886524 ath10k: do not use coherent memory for allocated device memory chunks
Coherent memory is more expensive to allocate (and constrained on some
architectures where it has to be pre-allocated). It is also completely
unnecessary, since the host has no reason to even access these allocated
memory spaces

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:14 +02:00
Mohammed Shafi Shajakhan
81ec3c09ab ath10k: remove unnecessary amsdu/ampdu assignment in debugfs
The default values of max_num_amsdu / max_num_amdpu is assigned a
default value as part of 'ath10k_core_init_firmware_features'

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2015-12-08 16:50:09 +02:00
David S. Miller
ad9360b3e5 This pull request got a bit bigger than I wanted, due to
needing to reshuffle and fix some bugs. I merged mac80211
 to get the right base for some of these changes.
 
  * new mac80211 API for upcoming driver changes: EOSP handling,
    key iteration
  * scan abort changes allowing to cancel an ongoing scan
  * VHT IBSS 80+80 MHz support
  * re-enable full AP client state tracking after fixes
  * various small fixes (that weren't relevant for mac80211)
  * various cleanups
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Merge tag 'mac80211-next-for-davem-2015-12-07' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
This pull request got a bit bigger than I wanted, due to
needing to reshuffle and fix some bugs. I merged mac80211
to get the right base for some of these changes.

 * new mac80211 API for upcoming driver changes: EOSP handling,
   key iteration
 * scan abort changes allowing to cancel an ongoing scan
 * VHT IBSS 80+80 MHz support
 * re-enable full AP client state tracking after fixes
 * various small fixes (that weren't relevant for mac80211)
 * various cleanups
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-07 14:10:10 -05:00
Luca Coelho
a42b2af3cf iwlwifi: mvm: don't keep an mvm ref when the interface is down
There is no reason to keep a reference when the interface is down,
since we are not really doing anything.  The reference is only needed
when the mac80211 start op (or a hw restart) is running, to prevent
going into runtime or system supend in the meantime.  This will allow
us to support runtime PM when the interface is down (in another
patch).

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-07 09:06:32 +02:00
Adam Welle
641cf2a5ba mac80211_hwsim: check ATTR_FREQ for wmediumd (netlink) packets
If a packet is received from netlink with the frequency value set it is
checked against the current radio's frequency and discarded if different.
The frequency is also checked against data2->tmp_chan to support the "hw"
off-channel/scan case.

Signed-off-by: Adam Welle <arwelle@cert.org>
[allow both simultaneously, add locking]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
Amit Khatri
89f44d8c25 mac80211_hwsim: check txrate for NULL
If the rate control algorithm messed up then the txrate pointer
here could be NULL - WARN and drop the packet from monitoring.

Signed-off-by: Amit Khatri <amit.khatri@samsung.com>
Signed-off-by: Rahul Jain <rahul.jain@samsung.com>
[rewrite commit message, add warning]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
Johannes Berg
959eb2fd70 mac80211_hwsim: stop using pointers as cookies
Instead of using pointers, use sequentially assigned cookies.
This is easier to understand while debugging and also avoids
problems when the pointer is reused for the next allocation.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
Jouni Malinen
00eeccc4a9 mac80211_hwsim: Advertise support for VHT IBSS
VHT can be used with IBSS without needing any additional changes in
mac80211_hwsim, so start claiming support for this to increase test
coverage.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
Jouni Malinen
732b5395ef mac80211_hwsim: Update timestamp in Probe Response frames
Previously, this was done only for Beacon frames, but similar timestamp
update is needed for Probe Response frames to make these more accurately
match the real IEEE 802.11 behavior. Previously, all zeros timestamp was
sent in Probe Response frames.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
Johannes Berg
661ef475fd mac80211_hwsim: delay hardware remain-on-channel start
Typically drivers that implement hardware remain-on-channel will
have to wait for scheduling constraints, so make hwsim also wait
a little bit (only 20ms) before actually starting the operation.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
Johannes Berg
a8e828deb3 mac80211_hwsim: do not actively scan DFS channels
We had another change to fix this in mac80211, but the hwsim
"hardware" scan should also be fixed. Obviously this one isn't
important since it's not real hardware, but we'd better be
consistent.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-12-04 14:43:32 +01:00
David S. Miller
f188b951f3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/renesas/ravb_main.c
	kernel/bpf/syscall.c
	net/ipv4/ipmr.c

All three conflicts were cases of overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-03 21:09:12 -05:00
Kalle Valo
2abcd3d40d * BT coex improvements (Avri, Moshe)
* D3 operation bugfixes (Luca, Eliad)
 * Rate control improvements (Eyal)
 * Firmware debugging infra improvements (Golan)
 * Ground work for multi Rx (Johannes)
 * Various security fixes (Johannes)
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Merge tag 'iwlwifi-next-for-kalle-2015-12-01' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

* BT coex improvements (Avri, Moshe)
* D3 operation bugfixes (Luca, Eliad)
* Rate control improvements (Eyal)
* Firmware debugging infra improvements (Golan)
* Ground work for multi Rx (Johannes)
* Various security fixes (Johannes)
2015-12-03 17:23:43 +02:00
Kalle Valo
f1b4b51184 Merge ath-next from ath.git
Major changes:

ath10k

* support Manegement Frame Protection (MFP)
* add thermal throttling support for 10.4 firmware
* add support for pktlog in QCA99X0
* add debugfs file to enable Bluetooth coexistence feature
* use firmware's native mesh interface type instead of raw mode
2015-12-03 17:10:25 +02:00
Eliad Peller
863558168d iwlwifi: remove IWL_DL_LED
no need to have a separate debug level for a single
debug print (which is pretty much useless anyway).
remove them both.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-01 21:17:58 +02:00
Matti Gottlieb
dc28e12f21 iwlwifi: mvm: ROC: Extend the ROC max delay duration & limit ROC duration
When associated to an AP and a ROC event with a long duration is scheduled
the FW may have a hard time scheduling a consecutive time event, since it
has to remain on the connection channel to hear the AP's DTIM.
In addition, when associated and a ROC is requested with a duration
greater than the DTIM interval, the FW will not be able to schedule
the ROC event, since it needs to wake up for the DTIM.

Increasing the "max delay" duration to the DTIM period will allow the FW to
wait until after the DTIM and then schedule the ROC time event.
Limiting the ROC to be less than the DTIM interval will assure that the
time event will be scheduled for at least part of the time (instead of
automatically failing)

Extend the ROC max delay duration to min(dtim_interval * 3, 600TU),
and limit the duration to be less than the DTIM interval.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-12-01 21:17:58 +02:00