openwrt/staging/blogic.git
11 years agoNFC: pn533: Add some polling entropy
Samuel Ortiz [Wed, 3 Jul 2013 13:14:17 +0000 (15:14 +0200)]
NFC: pn533: Add some polling entropy

By not always starting the polling loop from the same modulation, we
avoid entering infinite loops where devices exporting 2 targets (on 2
different modulations) get the same target activated over and over.
If this target is not readable (e.g. a wallet emulating a tag), we will
stay in an error loop for ever.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Add delay between each poll frame
Samuel Ortiz [Wed, 3 Jul 2013 12:50:36 +0000 (14:50 +0200)]
NFC: pn533: Add delay between each poll frame

It seems that some pn533 firmwares go belly up when being asked to send
poll frames too frequently. Adding a 10ms delay between each of them
calm the chip down and prevent it from crashing.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: Add a GET_SE netlink API
Samuel Ortiz [Wed, 24 Jul 2013 16:10:50 +0000 (18:10 +0200)]
NFC: Add a GET_SE netlink API

In order to fetch the discovered secure elements from an NFC controller,
we need to send a netlink command that will dump the list of available
SEs from NFC.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: Fix SE discovery failure warning condition
Samuel Ortiz [Wed, 24 Jul 2013 12:49:22 +0000 (14:49 +0200)]
NFC: Fix SE discovery failure warning condition

This is a typo coming from the initial implementation. se_discover fails
when it returns something different than zero and we should only display
a warning in that case.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Store the correct frame size (normal vs ext)
Olivier Guiter [Thu, 13 Jun 2013 13:43:29 +0000 (13:43 +0000)]
NFC: pn533: Store the correct frame size (normal vs ext)

The extended information frame are sent by PN533 to exchange frames
larger than 255 bytes. These extended frame are very close from the
standard ones except for the header size length. On each incoming
frame, we set the correct header length, and we do that only for the
standard pn533 chipsets as the acr122 does not seem to support extended
frames properly.

Signed-off-by: Olivier Guiter <olivier.guiter@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Split large Tx frames in chunks
Olivier Guiter [Thu, 13 Jun 2013 13:43:28 +0000 (13:43 +0000)]
NFC: pn533: Split large Tx frames in chunks

On sending large frames (size > 262), we split it in multiple chunks and
send them asynchronously with MI bit.

Signed-off-by: Olivier Guiter <olivier.guiter@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Add extended information frame decoding support
Olivier Guiter [Thu, 13 Jun 2013 13:43:27 +0000 (15:43 +0200)]
NFC: pn533: Add extended information frame decoding support

Extended Information frames are slightly different from standard frames
as they can (theorically) handle datas up tu 64kB. PN533 firmware only
supports packet data up to 265 (incl. TFI byte)
This kind of frame are used when the pn533 wants to exchange more than
255 bytes, and this patch handles the reception of such frames.

Signed-off-by: Olivier Guiter <olivier.guiter@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Enable AUTO RFCA
Samuel Ortiz [Mon, 1 Jul 2013 15:26:58 +0000 (17:26 +0200)]
NFC: pn533: Enable AUTO RFCA

The AUTO RFCA bit forbids the pn533 chipset to turn its radio on
whenever an external field is present.
Without this bit set, some devices seems to get over flood by the
pn533 rf field and thus become hardly detectable.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Unconditionaly select the highest p2p bit rate
Samuel Ortiz [Mon, 1 Jul 2013 08:58:12 +0000 (10:58 +0200)]
NFC: pn533: Unconditionaly select the highest p2p bit rate

p2p devices must be able to support 424 kbps, so we should always select
that bitrate in initiator mode.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Request System code from SENSF_REQ
Samuel Ortiz [Fri, 28 Jun 2013 13:43:19 +0000 (15:43 +0200)]
NFC: pn533: Request System code from SENSF_REQ

Some devices are getting confused when not being asked for their system
code with type F.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Fix the pn533 polling loop
Samuel Ortiz [Wed, 26 Jun 2013 16:16:21 +0000 (18:16 +0200)]
NFC: pn533: Fix the pn533 polling loop

By turning the radio off after each failed polling try, we dramatically
improve the pn533 polling loop efficiency.
Without this fix, all Android phones running the broadcom NFC stack are
almost never detected.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: pn533: Fix hardware busy loop when establishing the LLCP link
Samuel Ortiz [Wed, 26 Jun 2013 15:53:09 +0000 (17:53 +0200)]
NFC: pn533: Fix hardware busy loop when establishing the LLCP link

By using the standard setting for the regular pn533 dongles, we no
longer wait for ever for an ATR_RES. Without this, a failing ATR_REQ
will put the hardware into a busy loop, constantly waiting for an
ATR_RES.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: Define secure element connectivity and transaction events
Samuel Ortiz [Tue, 25 Jun 2013 14:22:08 +0000 (16:22 +0200)]
NFC: Define secure element connectivity and transaction events

The SE_CONNECTIVITY event is for an SE to request connection to e.g. a
modem. The SE_TRANSACTION one is sent when an application running on a
specific SE wants to notify the host CPU about the end of a transaction.
Those events respectively map to the EVT_CONNECTIVITY and the
EVT_TRANSACTION HCI events.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: Document secure element addition/removal netlink events
Samuel Ortiz [Tue, 25 Jun 2013 10:42:54 +0000 (12:42 +0200)]
NFC: Document secure element addition/removal netlink events

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoMAINTAINERS: Change the NFC subsystem status to Supported
Samuel Ortiz [Mon, 24 Jun 2013 12:39:35 +0000 (14:39 +0200)]
MAINTAINERS: Change the NFC subsystem status to Supported

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agoNFC: Fix missing static declarations
Thierry Escande [Mon, 24 Jun 2013 10:02:28 +0000 (12:02 +0200)]
NFC: Fix missing static declarations

This patch fixes 3 sparse warnings:
nfcsim.c:63:25: sparse: symbol 'wq' was not declared.
nfcsim.c:484:12: sparse: symbol 'nfcsim_init' was not declared.
nfcsim.c:525:13: sparse: symbol 'nfcsim_exit' was not declared.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
11 years agomwifiex: fix build error when CONFIG_PM is not set
Bing Zhao [Sat, 10 Aug 2013 04:09:06 +0000 (21:09 -0700)]
mwifiex: fix build error when CONFIG_PM is not set

config: make ARCH=m68k allmodconfig

All error/warnings:

   drivers/net/wireless/mwifiex/cfg80211.c: In function
       'mwifiex_fill_coalesce_rule_info':
>> drivers/net/wireless/mwifiex/cfg80211.c:2493:3: error: implicit
       declaration of function 'mwifiex_is_pattern_supported'
       [-Werror=implicit-function-declaration]
   drivers/net/wireless/mwifiex/cfg80211.c: At top level:
   drivers/net/wireless/mwifiex/cfg80211.c:2537:12: warning:
       'mwifiex_cfg80211_set_coalesce' defined but not used
       [-Wunused-function]
   cc1: some warnings being treated as errors

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Run the LNA combining algorithm properly
Sujith Manoharan [Wed, 7 Aug 2013 07:24:30 +0000 (12:54 +0530)]
ath9k: Run the LNA combining algorithm properly

The LNA combining algorithm has to be run for cards
that support the required diversity features, make
sure that that correct conditions are met before
enabing this algorithm.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Fix BTCOEX usage for RX diversity
Sujith Manoharan [Wed, 7 Aug 2013 06:59:27 +0000 (12:29 +0530)]
ath9k: Fix BTCOEX usage for RX diversity

BTCOEX has to be *disabled* for WLAN RX diversity to
work on combo cards.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: use software queueing for multicast traffic
Felix Fietkau [Tue, 6 Aug 2013 12:18:13 +0000 (14:18 +0200)]
ath9k: use software queueing for multicast traffic

Create a per-vif dummy node entry for keeping the multicast software
queues. This helps in setups with a lot of mulitcast traffic that could
otherwise potentially drown out unicast traffic to stations.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: improve tx scheduling fairness
Felix Fietkau [Tue, 6 Aug 2013 12:18:12 +0000 (14:18 +0200)]
ath9k: improve tx scheduling fairness

Instead of trying to schedule the same TID multiple times in a loop,
iterate over other TIDs/stations first.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: use software queues for un-aggregated data packets
Felix Fietkau [Tue, 6 Aug 2013 12:18:11 +0000 (14:18 +0200)]
ath9k: use software queues for un-aggregated data packets

This is a first step for improving fairness between legacy and 802.11n
traffic, and it should also improve reliability of resets and channel
changes by keeping the hardware queue depth very short.

When an aggregation session is torn down, all packets in the retry queue
will be removed from the BAW and freed.

For all subframes that have not been transmitted yet, the A-MPDU flag
will be cleared, and a sequence number allocated. This ensures that the
next A-MPDU session will get the correct initial sequence number.
This happens both on aggregation session start and stop.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: always clear ps filter bit on new assoc
Felix Fietkau [Tue, 6 Aug 2013 12:18:10 +0000 (14:18 +0200)]
ath9k: always clear ps filter bit on new assoc

Otherwise in some cases, EAPOL frames might be filtered during the
initial handshake, causing delays and assoc failures.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: fix clearing expired A-MPDU subframes in tx completion
Felix Fietkau [Tue, 6 Aug 2013 12:18:09 +0000 (14:18 +0200)]
ath9k: fix clearing expired A-MPDU subframes in tx completion

When the tid aggregation state has been marked as inactive, free
completed tx packets immediately. When a new aggregation session has not
been initialized yet, the BAW checks do not recognize it as expired.

Might fix potential stalls in setting up a new aggregation session.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: prepare queueing code for handling unaggregated traffic
Felix Fietkau [Tue, 6 Aug 2013 12:18:08 +0000 (14:18 +0200)]
ath9k: prepare queueing code for handling unaggregated traffic

- Allow ath_tx_get_tid_subframe to return non-AMPDU subframes.
- Reset the tid paused state on aggregation stop
- Initialize software queues even when HT is not supported

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: fix block ack window tracking check
Felix Fietkau [Tue, 6 Aug 2013 12:18:07 +0000 (14:18 +0200)]
ath9k: fix block ack window tracking check

When a packet has been tracked as part of the BlockAck window and added
to the hardware queue, it can end up back in the TID queue again with
fi->retries still set to 0 (e.g. if the frame was filtered). Keep an
extra bit for the BAW tracking status to fix this corner case.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: simplify ath_tx_form_aggr
Felix Fietkau [Tue, 6 Aug 2013 12:18:06 +0000 (14:18 +0200)]
ath9k: simplify ath_tx_form_aggr

The check for ATH_AMPDU_SUBFRAME_DEFAULT is unnecessary, since it's set
to half the maximum BlockAck Window size, which is already the maximum
value that h_baw could possibly have. Also remove unnecessary variables.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: add CAB queue info to debugfs
Felix Fietkau [Tue, 6 Aug 2013 12:18:05 +0000 (14:18 +0200)]
ath9k: add CAB queue info to debugfs

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: add function for getting the tx tid for a packet
Felix Fietkau [Tue, 6 Aug 2013 12:18:04 +0000 (14:18 +0200)]
ath9k: add function for getting the tx tid for a packet

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: split tid retry packets into a separate queue
Felix Fietkau [Tue, 6 Aug 2013 12:18:03 +0000 (14:18 +0200)]
ath9k: split tid retry packets into a separate queue

Improves packet retry order and helps with further tx queueing
improvements.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: add utility functions for accessing tid queues
Felix Fietkau [Tue, 6 Aug 2013 12:18:02 +0000 (14:18 +0200)]
ath9k: add utility functions for accessing tid queues

Useful for further fixes / cleanups

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agobrcmfmac: use CFG80211_TESTMODE_CMD
Johannes Berg [Tue, 6 Aug 2013 09:13:19 +0000 (11:13 +0200)]
brcmfmac: use CFG80211_TESTMODE_CMD

This is essentially the same, but written shorter.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agonet: wireless: rt2x00: Staticize rt2x00queue_pause_queue_nocheck()
Jingoo Han [Tue, 6 Aug 2013 08:36:03 +0000 (17:36 +0900)]
net: wireless: rt2x00: Staticize rt2x00queue_pause_queue_nocheck()

rt2x00queue_pause_queue_nocheck()is used only in this file.
Fix the following sparse warning:

drivers/net/wireless/rt2x00/rt2x00queue.c:939:6: warning: symbol 'rt2x00queue_pause_queue_nocheck' was not declared. Should it be
static?

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Fix build failure
Sujith Manoharan [Tue, 6 Aug 2013 07:14:15 +0000 (12:44 +0530)]
ath9k: Fix build failure

Make sure that CONFIG_ATH9K_BTCOEX_SUPPORT is used for
the WLAN/BT RX diversity hooks.

Reported by the kernel build testing backend.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agomwifiex: add packet coalesce support
Amitkumar Karwar [Tue, 6 Aug 2013 01:52:00 +0000 (18:52 -0700)]
mwifiex: add packet coalesce support

Coalesce filters are configured in firmware based on settings
received from cfg80211.

Packet type which is required by firmware is determined based on
provided patterns in a rule:

Unicast: if pattern '01' with offset 0 is found
Multicast: if pattern '33:33' or '01:00:5e' with offset 0 is found
Broadcast: if pattern 'ff:ff:ff:ff' with offset 0 is found

Some example coalesce configuration files:

1) Coalesce Rx data packets from 192.168.0.88
mac address of our device is 00:50:43:21:53:7A
Source IP address offset comes out as 52 after following
calculations:
    32 bytes of HW 802.11 header + 8 bytes LLC +
    12 bytes in IPV4 header till source IP address
Destination mac is at offset 6 in HW header.

delay=100
condition=1
patterns=01,6+00:50:43:22,10+53:7A,52+c0:a8:00:58

2) Coalesce all broadcast and multicast packets(Multiple packet
types are not allowed in a single rule. Hence created separate
rules)

delay=400
condition=1
patterns=33:33
delay=400
condition=1
patterns=ff:ff:ff:ff

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agomwifiex: increase max supported pattern offset
Amitkumar Karwar [Tue, 6 Aug 2013 01:51:59 +0000 (18:51 -0700)]
mwifiex: increase max supported pattern offset

The offset number is increased to accomodate requests from
user to match more fields in a Rx packet.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agomwifiex: modify mwifiex_is_pattern_supported() routine
Amitkumar Karwar [Tue, 6 Aug 2013 01:51:58 +0000 (18:51 -0700)]
mwifiex: modify mwifiex_is_pattern_supported() routine

It is modified so that it can be reused for coalesce feature.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agomwifiex: rename mef macros
Amitkumar Karwar [Tue, 6 Aug 2013 01:51:57 +0000 (18:51 -0700)]
mwifiex: rename mef macros

Their names were generic. We need to define similar macros
for coalesce feature. Hence they are renamed here.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoMerge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac802...
John W. Linville [Fri, 9 Aug 2013 19:08:10 +0000 (15:08 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/jberg/mac80211-next

11 years agoMerge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi...
John W. Linville [Fri, 9 Aug 2013 19:07:23 +0000 (15:07 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/iwlwifi/iwlwifi-next

11 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville [Fri, 9 Aug 2013 19:06:28 +0000 (15:06 -0400)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless

11 years agoiwlwifi: mvm: use designated initialization for some arrays
Eliad Peller [Tue, 16 Jul 2013 15:07:20 +0000 (18:07 +0300)]
iwlwifi: mvm: use designated initialization for some arrays

rs_ht_to_legacy and ant_toggle_lookup are arrays that
represent some state-machine. initialize them explicitly
with designated initialization to make them more clear
and avoid errors.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: add some missing cleanups in iwl_mvm_mac_add_interface
Eliad Peller [Tue, 16 Jul 2013 14:50:17 +0000 (17:50 +0300)]
iwlwifi: mvm: add some missing cleanups in iwl_mvm_mac_add_interface

iwl_mvm_mac_add_interface() didn't clean up beacon filtering
configuration and ctxt allocation in some error cases.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: remove transport suspend/resume indirection
Johannes Berg [Fri, 2 Aug 2013 08:51:22 +0000 (10:51 +0200)]
iwlwifi: remove transport suspend/resume indirection

There's no reason for the transport to call itself through
indirect function pointers, inline the (little) code there
is and remove the indirection completely.

Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: pcie: some little cleanups
Eliad Peller [Tue, 16 Jul 2013 14:53:43 +0000 (17:53 +0300)]
iwlwifi: pcie: some little cleanups

do some little cleanups in tx.c - eliminate duplicate checks,
use locally cached fields and predefined macros.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: fix some documentation typos
Eliad Peller [Tue, 16 Jul 2013 14:33:26 +0000 (17:33 +0300)]
iwlwifi: fix some documentation typos

Fix some typos.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: small cleanups in quota management code
Johannes Berg [Thu, 25 Jul 2013 20:36:27 +0000 (22:36 +0200)]
iwlwifi: mvm: small cleanups in quota management code

Use a C99 initializer to clear the command and move the lockdep
assertion before the restart check. Since this causes problems
with the BUILD_BUG_ON() with some compilers, change that a bit.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: fix signal reporting for < 3 antennas
Avri Altman [Thu, 1 Aug 2013 04:19:27 +0000 (07:19 +0300)]
iwlwifi: mvm: fix signal reporting for < 3 antennas

When fewer than three antennas are connected (as is
always the case for the current devices), the signal
strength reporting was wrong; fix it.

Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: remove traffic load monitoring in rs
Eyal Shapira [Sun, 28 Jul 2013 23:02:44 +0000 (23:02 +0000)]
iwlwifi: mvm: remove traffic load monitoring in rs

The traffic load monitoring isn't used anymore to decide whether
a Tx aggregation on a specific TID should be started.
No point in collecting these statistics. Remove the relevant code.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: pcie: fix resume when no opmode is present
Johannes Berg [Tue, 30 Jul 2013 18:10:46 +0000 (20:10 +0200)]
iwlwifi: pcie: fix resume when no opmode is present

If no opmode is present during suspend/resume (i.e. if
the iwldvm or iwlmvm isn't loaded) the driver crashes
during resume, trying to call the rfkill notification.
Avoid that, and also don't enable the rfkill interrupt
in this case (to avoid crashing trying to handle the
interrupt later.)

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoiwlwifi: mvm: Add RX statistics debugfs entry
Matti Gottlieb [Tue, 30 Jul 2013 12:29:37 +0000 (15:29 +0300)]
iwlwifi: mvm: Add RX statistics debugfs entry

Add a debugfs entry for the RX statistics received from
the firmware.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoath9k: Add more PCI IDs for WB225 cards
Sujith Manoharan [Mon, 5 Aug 2013 09:38:28 +0000 (15:08 +0530)]
ath9k: Add more PCI IDs for WB225 cards

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Fix antenna control init for AR9485
Sujith Manoharan [Mon, 5 Aug 2013 09:38:27 +0000 (15:08 +0530)]
ath9k: Fix antenna control init for AR9485

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Remove ath_ant_comb_update()
Sujith Manoharan [Mon, 5 Aug 2013 09:38:26 +0000 (15:08 +0530)]
ath9k: Remove ath_ant_comb_update()

During a HW reset, the diversity config is programmed
in the set_board_values() eeprom callback, there is no
need to do it again by calling ath_ant_comb_update().

Fixed antenna support is not fully handled for 1-stream
cards, it can be done later.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agohostap: do not return positive number on failure path in prism2_open()
Alexey Khoroshilov [Mon, 5 Aug 2013 03:18:28 +0000 (07:18 +0400)]
hostap: do not return positive number on failure path in prism2_open()

prism2_open() as an .ndo_open handler should not return positive numbers
in case of failure, but it does return 1 in a couple of places.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Support ANT diversity for WB225
Sujith Manoharan [Sun, 4 Aug 2013 08:52:02 +0000 (14:22 +0530)]
ath9k: Support ANT diversity for WB225

WB225 based cards like CUS198 and CUS230 support
both fast antenna diversity and LNA combining. Add support
for this and also program the SWCOM register with the
correct "ant_ctrl_comm2g_switch_enable" value.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Set SWCOM value for CUS198
Sujith Manoharan [Sun, 4 Aug 2013 08:52:01 +0000 (14:22 +0530)]
ath9k: Set SWCOM value for CUS198

CUS198/CUS230 cards require a custom value to be
programmed into the SWCOM register. Assign this during
init time.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Remove "shared_chain_lnadiv"
Sujith Manoharan [Sun, 4 Aug 2013 08:52:00 +0000 (14:22 +0530)]
ath9k: Remove "shared_chain_lnadiv"

This variable is redundant since we can use
common->bt_ant_diversity to determine if diversity
has to be enabled/disabled.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Program HW for WB195 diversity
Sujith Manoharan [Sun, 4 Aug 2013 08:51:59 +0000 (14:21 +0530)]
ath9k: Program HW for WB195 diversity

The MC_GAIN_CTL/CCK_DETECT registers have to be programmed
with the correct configuration values if WLAN/BT RX diversity
is enabled. Add this and also take care of the BTCOEX mode
when fast diversity is enabled/disabled.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Enable WLAN/BT Ant Diversity for WB225/WB195
Sujith Manoharan [Sun, 4 Aug 2013 08:51:58 +0000 (14:21 +0530)]
ath9k: Enable WLAN/BT Ant Diversity for WB225/WB195

A custom solution for Asus is WB195 based and supports
WLAN/BT Rx diversity. Identify this card and set the
capability.

CUS198/CUS230, which are based on WB225 also support
WLAN/BT Rx diversity.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Rename ath9k_hw_antctrl_shared_chain_lnadiv
Sujith Manoharan [Sun, 4 Aug 2013 08:51:57 +0000 (14:21 +0530)]
ath9k: Rename ath9k_hw_antctrl_shared_chain_lnadiv

Use "ath9k_hw_set_bt_ant_diversity" instead.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Add a HW capability for WLAN/BT RX diversity
Sujith Manoharan [Sun, 4 Aug 2013 08:51:56 +0000 (14:21 +0530)]
ath9k: Add a HW capability for WLAN/BT RX diversity

Make use of this capability to restrict the usage of the
debugfs file and modparam using which this feature can
be enabled.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Cleanup WLAN/BT RX diversity
Sujith Manoharan [Sun, 4 Aug 2013 08:51:55 +0000 (14:21 +0530)]
ath9k: Cleanup WLAN/BT RX diversity

For single-chain WLAN+BT cards, the BT antenna can be used for
WLAN RX when the BT interface is disabled. Rename the modparam
"antenna_diversity" to "bt_ant_diversity" to clarify this.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Fix antenna diversity for CUS198
Sujith Manoharan [Sun, 4 Aug 2013 08:51:54 +0000 (14:21 +0530)]
ath9k: Fix antenna diversity for CUS198

CUS198/CUS230 need a few tweaks in the antenna diversity
algorithm to accomodate RSSI variation. Add a couple
of knobs to control low RSSI threshold and fast antenna
diversity bias values.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Print LNA combining mode during init
Sujith Manoharan [Sun, 4 Aug 2013 08:51:53 +0000 (14:21 +0530)]
ath9k: Print LNA combining mode during init

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Add information about antenna diversity
Sujith Manoharan [Sun, 4 Aug 2013 08:51:52 +0000 (14:21 +0530)]
ath9k: Add information about antenna diversity

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agocw1200: Fix spurious BUG_ON() trigger when starting AP mode.
Solomon Peachy [Fri, 2 Aug 2013 23:57:40 +0000 (19:57 -0400)]
cw1200: Fix spurious BUG_ON() trigger when starting AP mode.

There's an underlying race condition with the unjoin_work() call that is
sometimes triggered depending on scheduling order and the phase of the
moon.  This doesn't fix the race condition, but it does remove the
ill-advised BUG_ON() call in an easily-recoverable situation.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoMerge tag 'for-linville-20130730' of git://github.com/kvalo/ath6kl
John W. Linville [Fri, 2 Aug 2013 19:40:11 +0000 (15:40 -0400)]
Merge tag 'for-linville-20130730' of git://github.com/kvalo/ath6kl

11 years agoMerge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi...
John W. Linville [Fri, 2 Aug 2013 19:37:34 +0000 (15:37 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/iwlwifi/iwlwifi-next

11 years agoMerge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
John W. Linville [Fri, 2 Aug 2013 18:54:19 +0000 (14:54 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/jberg/mac80211

11 years agoiwl4965: reset firmware after rfkill off
Stanislaw Gruszka [Thu, 1 Aug 2013 10:07:55 +0000 (12:07 +0200)]
iwl4965: reset firmware after rfkill off

Using rfkill switch can make firmware unstable, what cause various
Microcode errors and kernel warnings. Reseting firmware just after
rfkill off (radio on) helped with that.

Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=977053

Reported-and-tested-by: Justin Pearce <whitefox@guardianfox.net>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoiwl4965: set power mode early
Stanislaw Gruszka [Thu, 1 Aug 2013 10:07:13 +0000 (12:07 +0200)]
iwl4965: set power mode early

If device was put into a sleep and system was restarted or module
reloaded, we have to wake device up before sending other commands.
Otherwise it will fail to start with Microcode error.

Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Add statistics for antenna diversity
Sujith Manoharan [Thu, 1 Aug 2013 15:27:06 +0000 (20:57 +0530)]
ath9k: Add statistics for antenna diversity

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Use a subroutine to calculate ALT ratio
Sujith Manoharan [Thu, 1 Aug 2013 06:23:23 +0000 (11:53 +0530)]
ath9k: Use a subroutine to calculate ALT ratio

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Simplify checks in quick_scan
Sujith Manoharan [Thu, 1 Aug 2013 06:23:22 +0000 (11:53 +0530)]
ath9k: Simplify checks in quick_scan

There is a function to do a ratio comparison for ALT,
so make use of it.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Use a helper function for checking LNA options
Sujith Manoharan [Thu, 1 Aug 2013 06:23:21 +0000 (11:53 +0530)]
ath9k: Use a helper function for checking LNA options

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Use a subroutine to try LNA switch
Sujith Manoharan [Thu, 1 Aug 2013 06:23:20 +0000 (11:53 +0530)]
ath9k: Use a subroutine to try LNA switch

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Add ALT check for cards with GROUP-3 config
Sujith Manoharan [Thu, 1 Aug 2013 06:23:19 +0000 (11:53 +0530)]
ath9k: Add ALT check for cards with GROUP-3 config

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Use a subroutine to check for short scan
Sujith Manoharan [Thu, 1 Aug 2013 06:23:18 +0000 (11:53 +0530)]
ath9k: Use a subroutine to check for short scan

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Do a quick scan only when scan_not_start is true
Sujith Manoharan [Thu, 1 Aug 2013 06:23:17 +0000 (11:53 +0530)]
ath9k: Do a quick scan only when scan_not_start is true

Right now, it is being done for all cases.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoath9k: Add a debugfs file for antenna diversity
Sujith Manoharan [Mon, 29 Jul 2013 10:34:49 +0000 (16:04 +0530)]
ath9k: Add a debugfs file for antenna diversity

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoiwl4965: better skb management in rx path
Stanislaw Gruszka [Mon, 1 Jul 2013 12:19:30 +0000 (14:19 +0200)]
iwl4965: better skb management in rx path

4965 version of Eric patch "iwl3945: better skb management in rx path".
It fixes several problems :

1) skb->truesize is underestimated.
   We really consume PAGE_SIZE bytes for a fragment,
   not the frame length.
2) 128 bytes of initial headroom is a bit low and forces reallocations.
3) We can avoid consuming a full page for small enough frames.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agossb: drop BROKEN from SSB_SFLASH
Rafał Miłecki [Tue, 25 Jun 2013 08:13:46 +0000 (10:13 +0200)]
ssb: drop BROKEN from SSB_SFLASH

With recent patches ssb can fetch info about serial flash and register
it as a platform device. No more reasons to mark it BROKEN.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agortlwifi: rtl8192cu: fix function declaration header
Mark Schulte [Thu, 1 Aug 2013 02:30:14 +0000 (19:30 -0700)]
rtlwifi: rtl8192cu: fix function declaration header

Move rtl92cu_update_hal_rate_tbl declaration to hw.h to correspond with function
definition in hw.c.
Fixes sparse warning in hw.c warning: symbol 'rtl92cu_update_hal_rate_tbl' was
not declared.

Signed-off-by: Mark Schulte <schultetwin@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agomwifiex: populate rates in probe request using cfg80211_scan_request
Avinash Patil [Wed, 31 Jul 2013 00:18:56 +0000 (17:18 -0700)]
mwifiex: populate rates in probe request using cfg80211_scan_request

Whenever available, use cfg80211_scan_request to populates rates
in outgoing probe request. This will help to advertise band specific
rates and fix an issue where 11b rates were advertised in probe
request going out on 11a band.

This will also ensure that we do not advertise 11b rates while P2P
scan is going on.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agomwifiex: fix adapter pointer dereference issue
Amitkumar Karwar [Wed, 31 Jul 2013 00:18:15 +0000 (17:18 -0700)]
mwifiex: fix adapter pointer dereference issue

It has introduced by recent commit 6b41f941d7cd: "mwifiex:
handle driver initialization error paths" which adds error
path handling for mwifiex_fw_dpc().

release_firmware(adapter->*) is called for success as well
as failure paths. In failure paths, adapter is already freed
at this point.

The issue is fixed by moving mwifiex_free_adapter() call.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
11 years agoMerge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac802...
John W. Linville [Thu, 1 Aug 2013 19:26:52 +0000 (15:26 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/jberg/mac80211-next

11 years agomac80211: add channel switch command and beacon callbacks
Simon Wunderlich [Thu, 11 Jul 2013 14:09:06 +0000 (16:09 +0200)]
mac80211: add channel switch command and beacon callbacks

The count field in CSA must be decremented with each beacon
transmitted. This patch implements the functionality for drivers
using ieee80211_beacon_get(). Other drivers must call back manually
after reaching count == 0.

This patch also contains the handling and finish worker for the channel
switch command, and mac80211/chanctx code to allow to change a channel
definition of an active channel context.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
[small cleanups, catch identical chandef]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agonl80211/cfg80211: add channel switch command
Simon Wunderlich [Thu, 11 Jul 2013 14:09:05 +0000 (16:09 +0200)]
nl80211/cfg80211: add channel switch command

To allow channel switch announcements within beacons, add
the channel switch command to nl80211/cfg80211. This is
implementation is intended for AP and (later) IBSS mode.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: add debugfs for driver-buffered TID bitmap
Johannes Berg [Fri, 12 Jul 2013 08:40:31 +0000 (10:40 +0200)]
mac80211: add debugfs for driver-buffered TID bitmap

Add a per-station debugfs file indicating the TIDs (as
a bitmap) that the driver has data buffered on.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: report some VHT radiotap infos for tx status
Karl Beldan [Sat, 27 Jul 2013 09:47:04 +0000 (11:47 +0200)]
mac80211: report some VHT radiotap infos for tx status

The radiotap VHT info is 12 bytes (required to be aligned on 2) :
u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_*
u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_*
u8 bandwidth
u8 mcs_nss[4]
u8 coding
u8 group_id
u16 partial_aid

ATM mac80211 can handle IEEE80211_RADIOTAP_VHT_KNOWN_{GI,BANDWIDTH} and
mcs_nss[0] (i.e single user) in simple cases.
This is more a placeholder to let sniffers give more clues for VHT,
since we don't have yet the proper infrastructure/conventions
in mac80211 for complete feedback (e.g consider dynamic BW).

Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoieee80211: add definition for 802.11ac information elements
Fred Zhou [Thu, 1 Aug 2013 06:16:28 +0000 (14:16 +0800)]
ieee80211: add definition for 802.11ac information elements

Add element IDs for Extended BSS Load, VHT TX
Power Envelope, AID, and Quiet Channel.

Signed-off-by: Fred Zhou <fred.zy@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoieee80211: add definition for interworking support
Avinash Patil [Sat, 27 Jul 2013 00:02:29 +0000 (17:02 -0700)]
ieee80211: add definition for interworking support

IEEE802.11u interworking support is advertised via extended
capabilities IE bit 31. This is 7th bit of 4th byte of extended
capabilities.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: ibss - remove not authorized station earlier
Antonio Quartulli [Fri, 26 Jul 2013 19:15:02 +0000 (21:15 +0200)]
mac80211: ibss - remove not authorized station earlier

A station which is not authorized has to be purged earlier
to give it a chance to re-try to establish an IBSS/RSN
session soon. Set the timeout to 10 seconds.

Some refactoring has also been done to allow the IBSS
submodule to have its own expiring function.

Reported-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: use oneshot blink API for LED triggers
Fabio Baltieri [Thu, 25 Jul 2013 10:00:26 +0000 (12:00 +0200)]
mac80211: use oneshot blink API for LED triggers

Change mac80211 LED trigger code to use the generic
led_trigger_blink_oneshot() API for transmit and receive activity
indication.

This gives a better feedback to the user, as with the new API each
activity event results in a visible blink, while a constant traffic
results in a continuous blink at constant rate.

Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
[fix LED disabled build error]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: continue using disabled channels while connected
Johannes Berg [Wed, 31 Jul 2013 18:52:03 +0000 (20:52 +0200)]
mac80211: continue using disabled channels while connected

In case the AP has different regulatory information than we do,
it can happen that we connect to an AP based on e.g. the world
roaming regulatory data, and then update our database with the
AP's country information disables the channel the AP is using.
If this happens on an HT AP, the bandwidth tracking code will
hit the WARN_ON() and disconnect. Since that's not very useful,
ignore the channel-disable flag in bandwidth tracking.

Cc: stable@vger.kernel.org
Reported-by: Chris Wright <chrisw@sous-sol.org>
Tested-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agocfg80211: fix P2P GO interface teardown
Johannes Berg [Tue, 30 Jul 2013 08:11:25 +0000 (10:11 +0200)]
cfg80211: fix P2P GO interface teardown

When a P2P GO interface goes down, cfg80211 doesn't properly
tear it down, leading to warnings later. Add the GO interface
type to the enumeration to tear it down like AP interfaces.
Otherwise, we leave it pending and mac80211's state can get
very confused, leading to warnings later.

Cc: stable@vger.kernel.org
Reported-by: Ilan Peer <ilan.peer@intel.com>
Tested-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: ignore HT primary channel while connected
Johannes Berg [Wed, 31 Jul 2013 09:23:06 +0000 (11:23 +0200)]
mac80211: ignore HT primary channel while connected

While we're connected, the AP shouldn't change the primary channel
in the HT information. We checked this, and dropped the connection
if it did change it.

Unfortunately, this is causing problems on some APs, e.g. on the
Netgear WRT610NL: the beacons seem to always contain a bad channel
and if we made a connection using a probe response (correct data)
we drop the connection immediately and can basically not connect
properly at all.

Work around this by ignoring the HT primary channel information in
beacons if we're already connected.

Also print out more verbose messages in the other situations to
help diagnose similar bugs quicker in the future.

Cc: stable@vger.kernel.org [3.10]
Acked-by: Andy Isaacson <adi@hexapodia.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agomac80211: don't wait for TX status forever
Johannes Berg [Mon, 29 Jul 2013 21:07:43 +0000 (23:07 +0200)]
mac80211: don't wait for TX status forever

TX status notification can get lost, or the frames could
get stuck on the queue, so don't wait for the callback
from the driver forever and instead time out after half
a second.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoMerge tag 'nfc-fixes-3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo...
John W. Linville [Wed, 31 Jul 2013 19:15:50 +0000 (15:15 -0400)]
Merge tag 'nfc-fixes-3.11-2' of git://git./linux/kernel/git/sameo/nfc-fixes

Samuel Ortiz <sameo@linux.intel.com> says:

'This is the second NFC fixes pull request for 3.11.

We have:

- A build failure fix for the NCI SPI transport layer due to a
  missing CRC_CCITT Kconfig dependency.

- A netlink command rename: CMD_FW_UPLOAD was merged during the 3.11
  merge window but the typical terminology for loading a firmware to a
  target is firmware download rather than upload. In order to avoid any
  confusion in a file exported to userspace, we rename this command into
  CMD_FW_DOWNLOAD."

Signed-off-by: John W. Linville <linville@tuxdriver.com>