Commit Graph

400 Commits

Author SHA1 Message Date
Lorenzo Bianconi
a4bcaf5556 mac80211: extend set_coverage_class signature
Extend mac80211 set_coverage_class API in order to enable ACK timeout
estimation algorithm (dynack) passing coverage class equals to -1
to lower drivers. Synchronize set_coverage_class routine signature with
mac80211 function pointer for p54, ath9k, ath9k_htc and ath5k drivers.

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-09-05 13:54:07 +02:00
Benoit Taine
9baa3c34ac PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines.  This issue was reported by checkpatch.

A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):

// <smpl>

@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@

- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;

// </smpl>

[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-08-12 12:15:14 -06:00
Luis R. Rodriguez
80140b71e0 p54: use request_firmware_direct() for optional EEPROM override
The p54 driver uses request_firmware() twice, once for actual
firmware and then another time for an optional user overide on
EEPROM, 3826.eeprom. The custom EEPROM  is optional but if not
present we'll introduce an extra lag of 60 seconds with udev
present. Annotate we don't want udev nonsense here to avoid
the lag in case its not present.

This was found with the following SmPL patch.

@ firmware_not_critical @
expression cf;
expression config_file;
expression dev;
int ret;
identifier l;
statement S;
@@

-	ret = request_firmware(&cf, config_file, dev);
+	ret = request_firmware_direct(&cf, config_file, dev);
	if (ret < 0) {
		... when != goto l;
		    when != return ret;
		    when any
	} else {
		...
		release_firmware(cf);
		...
	}

Cc: Takashi Iwai <tiwai@suse.de>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Cc: linux-wireless@vger.kernel.org
Cc: cocci@systeme.lip6.fr
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Acked-By: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-25 15:40:40 -04:00
Emmanuel Grumbach
77be2c54c5 mac80211: add vif to flush call
This will allow the low level driver to make decision based
on the vif such as queues etc...
Since the vif might be NULL, we can't add it to the tracing
functions.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
[fix staging rtl8821ae driver]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-04-09 10:55:29 +02:00
Alexey Khoroshilov
f5335e00f3 p54usb: fix leaks at failure path in p54u_probe()
If p54u_load_firmware() fails, p54u_probe() does not deallocate
already allocated resources. The patch adds proper failure handling.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-14 14:49:13 -04:00
Silvan Jegen
c8e4955653 net: Replace min macro with min_t
Instead of an explicit cast, use the min_t macro.

Signed-off-by: Silvan Jegen <s.jegen@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-03 15:35:54 -05:00
Dan Carpenter
608cfbe4ab p54: clamp properly instead of just truncating
The call to clamp_t() first truncates the variable signed 8 bit and as a
result, the actual clamp is a no-op.

Fixes: 0d78156eef ('p54: improve site survey')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-13 14:50:06 -05:00
John W. Linville
f13352519e Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2014-01-13 14:40:59 -05:00
Johannes Berg
685328b296 mac80211: remove channel_change_time
This value is no longer used by mac80211, and practically no
driver ever set it to a correct value anyway, so remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-01-07 23:16:39 +01:00
Paul Gortmaker
c8bf40ad4f wireless: delete non-required instances of include <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-03 15:37:01 -05:00
Julia Lawall
4d2a33e121 p54: use ether_addr_equal_64bits
Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be
used when each argument is an array within a structure that contains at
least two bytes of data beyond the array.

The structures involved are:
ieee80211_hdr defined in include/linux/ieee80211.h and
p54_common defined in drivers/net/wireless/p54/p54.h

This was done using Coccinelle (http://coccinelle.lip6.fr/).

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-03 15:36:59 -05:00
Jeff Kirsher
36769159a9 drivers/net/wireless: Fix FSF address in file headers
Several files refer to an old address for the Free Software Foundation
in the file header comment.  Resolve by replacing the address with
the URL <http://www.gnu.org/licenses/> so that we do not have to keep
updating the header comments anytime the address changes.

CC: linux-wireless@vger.kernel.org
CC: Simon Kelley <simon@thekelleys.org.uk>
CC: Christian Lamparter <chunkeey@googlemail.com>
CC: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-11 10:56:20 -05:00
John W. Linville
9f96da4dd2 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-10-17 14:02:07 -04:00
Michael Opdenacker
a9b1d9ac8c net: p54spi: remove deprecated IRQF_DISABLED
This patch proposes to remove the use of the IRQF_DISABLED flag

It's a NOOP since 2.6.35 and it will be removed one day.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:49:28 -04:00
David S. Miller
7009deab19 Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
Conflicts:
	drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
	drivers/net/wireless/rtlwifi/rtl8188ee/phy.h
	drivers/net/wireless/rtlwifi/rtl8192ce/phy.h
	drivers/net/wireless/rtlwifi/rtl8192de/phy.h
	drivers/net/wireless/rtlwifi/rtl8723ae/phy.h

Just some minor conflicts between the wireless-next changes
and Joe Perches's "extern" removal from function prototypes
in header files.

John W. Linville says:

====================
Regarding the Bluetooth bits, Gustavo says:

"The big work here is from Marcel and Johan. They did a lot of work
in the L2CAP, HCI and MGMT layers. The most important ones are the
addition of a new MGMT command to enable/disable LE advertisement
and the introduction of the HCI user channel to allow applications
to get directly and exclusive access to Bluetooth devices."

As to the ath10k bits, Kalle says:

"Bartosz dropped support for qca98xx hw1.0 hardware from ath10k, it's
just too much to support it. Michal added support for the new firmware
interface. Marek fixed WEP in AP and IBSS mode. Rest of the changes are
minor fixes or cleanups."

And also:

"Major changes are:

* throughput improvements including aligning the RX frames correctly and
  optimising HTT layer (Michal)

* remove qca98xx hw1.0 support (Bartosz)

* add support for firmware version 999.999.0.636 (Michal)

* firmware htt statistics support (Kalle)

* fix WEP in AP and IBSS mode (Marek)

* fix a mutex unlock balance in debugfs file (Shafi)

And of course there's a lot of smaller fixes and cleanup."

For the wl12xx bits, Luca says:

"Here are some patches intended for 3.13.  Eliad is upstreaming a bunch
of patches that have been pending in the internal tree.  Mostly bugfixes
and other small improvements."

Along with that...

Arend and friends bring us a batch of brcmfmac updates, Larry Finger
offers some rtlwifi refactoring, and Sujith sends the usual batch of
ath9k updates.  As usual, there are a number of other small updates
from a variety of players as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-07 15:40:44 -04:00
Jingoo Han
717a23a142 wireless: p54pci: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:45 -04:00
Christian Lamparter
1e43692cdb p54usb: add USB ID for Corega WLUSB2GTST USB adapter
Added USB ID for Corega WLUSB2GTST USB adapter.

Cc: <stable@vger.kernel.org>
Reported-by: Joerg Kalisch <the_force@gmx.de>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:32 -04:00
Alexey Khoroshilov
e78641c19d p54usb: fix leak at failure path in p54u_load_firmware()
If request_firmware_nowait() fails in p54u_load_firmware(),
p54u_load_firmware_cb is not called and no one decrements usb_dev refcnt.

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>
2013-09-26 14:02:29 -04:00
Martin Schwidefsky
0244ad004a Remove GENERIC_HARDIRQ config option
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-09-13 15:09:52 +02:00
Sachin Kamat
acba7bb3c2 net: wireless: p54spi: Fix commenting style
Make the commenting style consistent with networking block comment
style as suggested by checkpatch.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-29 15:22:46 -04:00
Sachin Kamat
b6c32f8874 net: wireless: p54spi: Use module_spi_driver macro
module_spi_driver() eliminates some boiler plate and makes code
simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-29 15:22:44 -04:00
John W. Linville
6ed0e321a0 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-04-24 10:54:20 -04:00
John W. Linville
d3641409a0 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/rt2x00/rt2x00pci.c
	net/mac80211/sta_info.c
	net/wireless/core.h
2013-04-10 10:39:27 -04:00
Jingoo Han
d60c5d2050 net: wireless: p54spi: use spi_get_drvdata() and spi_set_drvdata()
Use the wrapper functions for getting and setting the driver data using
spi_device instead of using dev_{get|set}_drvdata with &spi->dev, so we
can directly pass a struct spi_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07 16:48:19 -04:00
Karl Beldan
675a0b049a mac80211: Use a cfg80211_chan_def in ieee80211_hw_conf_chan
Drivers that don't use chanctxes cannot perform VHT association because
they still use a "backward compatibility" pair of {ieee80211_channel,
nl80211_channel_type} in ieee80211_conf and ieee80211_local.

Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
[fix kernel-doc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-03-25 19:19:35 +01:00
Johannes Berg
39ecc01d1b mac80211: pass queue bitmap to flush operation
There are a number of situations in which mac80211 only
really needs to flush queues for one virtual interface,
and in fact during this frames might be transmitted on
other virtual interfaces. Calculate and pass a queue
bitmap to the driver so it knows which queues to flush.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-03-18 20:15:03 +01:00
Linus Torvalds
06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
John W. Linville
98d5fac233 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/iwlwifi/dvm/tx.c
	drivers/net/wireless/ti/wlcore/sdio.c
	drivers/net/wireless/ti/wlcore/spi.c
2013-02-18 13:47:13 -05:00
Tomasz Guszkowski
008e33f733 p54usb: corrected USB ID for T-Com Sinus 154 data II
Corrected USB ID for T-Com Sinus 154 data II. ISL3887-based. The
device was tested in managed mode with no security, WEP 128
bit and WPA-PSK (TKIP) with firmware 2.13.1.0.lm87.arm (md5sum:
7d676323ac60d6e1a3b6d61e8c528248). It works.

Signed-off-by: Tomasz Guszkowski <tsg@o2.pl>
Cc: <stable@vger.kernel.org>
Acked-By: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-02-08 14:51:32 -05:00
Joe Perches
0d2e7a5c60 wireless: Remove unnecessary alloc/OOM messages, alloc cleanups
alloc failures already get standardized OOM
messages and a dump_stack.

Convert kzalloc's with multiplies to kcalloc.
Convert kmalloc's with multiplies to kmalloc_array.
Remove now unused variables.
Remove unnecessary memset after kzalloc->kcalloc.
Whitespace cleanups for these changes.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-04 13:22:34 -05:00
John W. Linville
9ebea3829f Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
	drivers/net/wireless/ath/ath9k/main.c
	drivers/net/wireless/iwlwifi/dvm/tx.c
2013-01-28 13:54:03 -05:00
Kees Cook
ce15ffbeb9 drivers/net/wireless/p54: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22 12:01:35 -08:00
Alexey Khoroshilov
6960af6dce p54pci: don't return zero on failure paths in p54p_probe()
If pci_set_dma_mask() or pci_set_consistent_dma_mask() fails in p54p_probe(),
it breaks off initialization, deallocates all resources, but returns zero.
Similar issue is if check for returned value of pci_resource_len() fails.

The patch implements proper error code propagation.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-07 15:16:59 -05:00
Christian Lamparter
4010fe21a3 p54usb: add USBIDs for two more p54usb devices
This patch adds USBIDs for:
	- DrayTek Vigor 530
	- Zoom 4410a

It also adds a note about Gemtek WUBI-100GW
and SparkLAN WL-682 USBID conflict [WUBI-100GW
is a ISL3886+NET2280 (LM86 firmare) solution,
whereas WL-682 is a ISL3887 (LM87 firmware)]
device.

Source: <http://www.wikidevi.com/wiki/Intersil/p54/usb/windows>

Cc: <stable@vger.kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-02 14:38:30 -05:00
Tomasz Guszkowski
3194b7fcdf p54usb: add USB ID for T-Com Sinus 154 data II
Added USB ID for T-Com Sinus 154 data II.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomasz Guszkowski <tsg@o2.pl>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-02 14:38:25 -05:00
Bill Pemberton
337b563f72 p54: remove __dev* attributes
CONFIG_HOTPLUG is going away as an option.  As result the __dev*
markings will be going away.

Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-12-06 15:04:58 -05:00
Dan Carpenter
6dac344742 p54: potential signedness issue in p54_parse_rssical()
"entries" is unsigned here, so it is never less than zero.  In theory,
len could be less than offset so I have added a check for that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-12-03 13:51:59 -05:00
Hauke Mehrtens
8882349273 p54pci: use SIMPLE_DEV_PM_OPS
p54pci does not provide any runtime pm callbacks, so support for
PM_RUNTIME is not needed and we could go to PM_SLEEP.
This also makes it possible to use SIMPLE_DEV_PM_OPS instead of
manually filling struct dev_pm_ops.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30 14:00:36 -05:00
Christian Lamparter
725d255e70 p54: improve TSF timestamp precision
The LMAC API states that the TSF clock value of
every rx'ed frame is a "usec accurate timestamp
of the hardware clock at the end of frame
(before OFDM SIFS EOF padding)".

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26 14:54:21 -05:00
Thomas Pedersen
f4bda337bb mac80211: support RX_FLAG_MACTIME_END
Allow drivers to indicate their mactime is at RX completion and adjust
for this in mac80211. Also rename the existing RX_FLAG_MACTIME_MPDU to
RX_FLAG_MACTIME_START to clarify its intent. Based on similar code by
Johannes Berg.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
[fix docs, atheros drivers]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-13 21:43:55 +01:00
John W. Linville
c487606f83 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	net/nfc/netlink.c

Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-28 11:11:16 -04:00
Christian Lamparter
960334a7d3 p54: connect to 11w protected networks
Previously, it was not possible to connect to
networks which requires 11w to be supported by
the stations.

Note:

As all current (and old) firmwares corrupt
incoming, protected management frames, the
decryption offloading needs to be disabled.
This will be done automatically if needed.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24 15:02:08 -04:00
John W. Linville
9316f0e3c6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-09-14 13:53:49 -04:00
Christian Lamparter
390fd9d6c2 p54: fix off-by-one null pointer bug in p54_tx_80211
This patch fixes a regression which was introduced in:
"mac80211: move TX station pointer and restructure TX"

IP: p54_tx_80211+0x21/0x513 [p54common]
Oops: 0000 [#1] SMP
Modules linked in: p54usb p54common [...]
Pid: 13394, comm: hostapd 3.6.0-rc4-wl+
RIP: 0010:p54_tx_80211+0x21/0x513
RSP: 0018:...  EFLAGS: 00010292
[...]
Process hostapd
Stack:
[...]
Call Trace:
p54_bss_info_changed+0x204/0x21e [p54common]
ieee80211_del_station+0x16/0x32 [mac80211]
ieee80211_start_ap+0x10f/0x157 [mac80211]
nl80211_start_ap+0x315/0x361 [cfg80211]

p54_tx_80211 function is called as part of the
beacon update. The caller p54_bss_info_changed
has to supply a valid tx control struct, or
the control->sta will lead to a null pointer
dereference.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-11 15:13:54 -04:00
John W. Linville
f20b6213f1 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-08-24 12:25:30 -04:00
David S. Miller
1304a7343b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-22 14:21:38 -07:00
John W. Linville
01e17dacd4 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Conflicts:
	drivers/net/wireless/mac80211_hwsim.c
2012-08-21 16:00:21 -04:00
Greg Kroah-Hartman
b9c4167cbb USB: p54usb: remove __devinit* from the struct usb_device_id table
This structure needs to always stick around, even if CONFIG_HOTPLUG
is disabled, otherwise we can oops when trying to probe a device that
was added after the structure is thrown away.

Thanks to Fengguang Wu and Bjørn Mork for tracking this issue down.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
CC: Christian Lamparter <chunkeey@googlemail.com>
CC: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-17 17:50:44 -07:00
Christian Lamparter
22c5649eef p54: fix powerpc gcc warnings
My commit "p54: parse output power table" introduced
the following compiler warnings for powerpc-allmodconfig

eeprom.c: In function 'p54_get_maxpower':
eeprom.c:291 warning: comparison of distinct pointer types lacks a cast
eeporm.c:292 warning: comparison of distinct pointer types lacks a cast
eeprom.c:293 warning: comparison of distinct pointer types lacks a cast
eeprom.c:294 warning: comparison of distinct pointer types lacks a cast

This patch fixes those by using max_t(u16
which forces a type cast.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-08-13 15:28:35 -04:00
Christian Lamparter
9bc63816be p54: parse output power table
For the upcoming tpc changes, the driver needs
to provide sensible max output values for each
supported channel.

And while the eeprom always had a output_limit
table, which defines the upper limit for each
frequency and modulation, it was never really
useful for anything... until now.

Note: For anyone wondering about what your card
is calibrated for: check "iw list".
	* 2412 MHz [1] (18.0 dBm)
	* 2437 MHz [6] (19.0 dBm)
	[...]
	* 5180 MHz [36] (18.0 dBm)
	* 5260 MHz [52] (17.0 dBm) (radar detection)
	* 5680 MHz [136] (19.0 dBm) (radar detection)
(for a Dell Wireless 1450 USB Adapter)

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-08-10 15:17:14 -04:00