Commit Graph

428165 Commits

Author SHA1 Message Date
Mark Rustad
144384649d ixgbe: Check config reads for removal
Configuration space reads should also be checked for removal. So
add some checks related to config space accesses.

v2:
* Fixed indent

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:43 -05:00
Mark Rustad
0edd2bdf63 ixgbe: Fix up some ethtool results when adapter is removed
Some ethtool tests returned apparently good results when the
adapter was in a removed state. Fix that by checking for removal.
This also fixes two paths that could return uninitialized memory
in data[4].

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:43 -05:00
Mark Rustad
0391bbe3e4 ixgbe: Restore hw_addr in LER recovery paths
The hw_addr needs to be restored in the pcie recovery path or
else the device will be perpetually removed. Also restore the
value in the resume path.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:06:43 -05:00
Hauke Mehrtens
1d3f41ea0e b44: always set duplex mode why phy changes
Without this patch b44_check_phy() was called when the phy called the
adjust callback. This method only change the mac duplex mode when the
carrier was off. When the phy changed the duplex mode after the carrier
was on the mac was not changed. This happened when an external phy was
used.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:05:25 -05:00
Hauke Mehrtens
25d54fe565 b44: add calls to phy_{start,stop}
When support for external phys was added to b44, the calls to start and
stop the phy were missing in the mac driver. This adds the calls to
phy_start() and phy_stop().

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 19:05:25 -05:00
Linus Torvalds
c59224d132 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Not a huge amount happening, some MAINTAINERS updates, radeon, vmwgfx
  and tegra fixes"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
  drm/radeon: enable speaker allocation setup on dce3.2
  drm/radeon: change audio enable logic
  drm/radeon: fix audio disable on dce6+
  drm/radeon: free uvd ring on unload
  drm/radeon: disable pll sharing for DP on DCE4.1
  drm/radeon: fix missing bo reservation
  drm/radeon: print the supported atpx function mask
  MAINTAINERS: update drm git tree entry
  MAINTAINERS: add entry for drm radeon driver
  drm/tegra: Add guard to avoid double disable/enable of RGB outputs
  gpu: host1x: do not check previously handled gathers
  drm/tegra: fix typo 'CONFIG_TEGRA_DRM_FBDEV'
2014-03-02 15:25:45 -08:00
Linus Torvalds
a53c8ceb01 USB fixes for 3.14-rc5
Here are 2 USB patches for 3.14-rc5, one a new device id, and the other
 fixes a reported problem with threaded irqs and the USB EHCI driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are 2 USB patches for 3.14-rc5, one a new device id, and the
  other fixes a reported problem with threaded irqs and the USB EHCI
  driver"

* tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: ehci: fix deadlock when threadirqs option is used
  USB: ftdi_sio: add Cressi Leonardo PID
2014-03-02 15:15:07 -08:00
Linus Torvalds
3751c97036 Driver core fix for 3.14-rc5
Here is a single sysfs fix for 3.14-rc5.  It fixes a reported problem
 with the namespace code in sysfs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull sysfs fix from Greg KH:
 "Here is a single sysfs fix for 3.14-rc5.  It fixes a reported problem
  with the namespace code in sysfs"

* tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  sysfs: fix namespace refcnt leak
2014-03-02 15:13:41 -08:00
Linus Torvalds
9ff7aeb624 Staging tree fixes for 3.14-rc5
Here are a few IIO fixes, and a new device id for a staging driver for
 3.14-rc5.  All have been in linux-next for a while, I did a final merge
 to get the IIO fixes into this tree, they were incorrectly in the
 char-misc tree for a few weeks, and I forgot to tell you to pull them
 from there.  This makes it a single pull request for you.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging tree fixes from Greg KH:
 "Here are a few IIO fixes, and a new device id for a staging driver for
  3.14-rc5.  All have been in linux-next for a while, I did a final
  merge to get the IIO fixes into this tree, they were incorrectly in
  the char-misc tree for a few weeks, and I forgot to tell you to pull
  them from there.  This makes it a single pull request for you"

* tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8188eu: Add new device ID
  staging:iio:adc:MXS:LRADC: fix touchscreen statemachine
  iio:gyro: bug on L3GD20H gyroscope support
  iio: cm32181: Change cm32181 ambient light sensor driver
  iio: cm36651: Fix read/write integration time function.
2014-03-02 15:12:54 -08:00
Dave Airlie
d668ca1cc6 Merge branch 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
more radeon fixes

* 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: enable speaker allocation setup on dce3.2
  drm/radeon: change audio enable logic
  drm/radeon: fix audio disable on dce6+
  drm/radeon: free uvd ring on unload
  drm/radeon: disable pll sharing for DP on DCE4.1
  drm/radeon: fix missing bo reservation
  drm/radeon: print the supported atpx function mask
2014-03-03 09:04:41 +10:00
Greg Kroah-Hartman
9f4a9b83f1 Merge iio fixes into staging-linus
These I forgot about before, but need to get into 3.14-final.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-02 14:04:01 -08:00
Veaceslav Falico
285727600f bonding: send arp requests even if there's no route to them
Currently we're only sending arp requests if we have a route to the target
(and, thus, can find out the source ip address).

There are some use cases, however, where we don't want/need to set an ip
address (or set up a specific route) for bonding to use arp monitoring *for
traffic generation*. We can easily send arp probes (arp requests with src
ip == 0) to generate arp broadcast responses from the target ip and use
them for determining if the target is up.

This, obviously, won't work with arp validation - because we don't have the
ip address set and, thus, will filter out the responses. So in that case -
print a warning.

CC: François CACHEREUL <f.cachereul@alphalink.fr>
CC: Zhenjie Chen <zhchen@redhat.com>
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02 14:54:10 -05:00
Linus Torvalds
3154da34be Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Misc fixes, most of them on the tooling side"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools: Fix strict alias issue for find_first_bit
  perf tools: fix BFD detection on opensuse
  perf: Fix hotplug splat
  perf/x86: Fix event scheduling
  perf symbols: Destroy unused symsrcs
  perf annotate: Check availability of annotate when processing samples
2014-03-02 11:37:07 -06:00
Dave Airlie
49e893b597 Merge tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux into drm-fixes
A couple of minor fixes.

Pull request of 2014-03-02

* tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
2014-03-02 20:54:31 +10:00
Alexey Khoroshilov
6950e23e54 drm/vmwgfx: avoid null pointer dereference at failure paths
vmw_takedown_otable_base() and vmw_mob_unbind() check for
potential vmw_fifo_reserve() failure and print error message,
but then immediately dereference NULL pointer.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
2014-03-02 09:49:59 +01:00
Thomas Hellstrom
a34417f6be drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
Backing mob contents is propagated to user-space, so make sure backing
mobs are cleared when allocated. This also accidently fix rendering errors
with celestia when emulating legacy mode.

Also update driver date.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-02 09:43:40 +01:00
Thomas Hellstrom
ae2045694b drm/vmwgfx: Remove some unused surface formats
These formats are deprecated.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-02 09:42:53 +01:00
Linus Torvalds
55de1ed2f5 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "The VMCOREINFO patch I'll pushing for this release to avoid having a
  release with kASLR and but without that information.

  I was hoping to include the FPU patches from Suresh, but ran into a
  problem (see other thread); will try to make them happen next week"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, kaslr: add missed "static" declarations
  x86, kaslr: export offset in VMCOREINFO ELF notes
2014-03-01 22:48:14 -06:00
Linus Torvalds
702256e604 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "The bulk of the series are bugfixes for qla2xxx target NPIV support
  that went in for v3.14-rc1.  Also included are a few DIF related
  fixes, a qla2xxx fix (Cc'ed to stable) from Greg W., and vhost/scsi
  protocol version related fix from Venkatesh.

  Also just a heads up that a series to address a number of issues with
  iser-target active I/O reset/shutdown is still being tested, and will
  be included in a separate -rc6 PULL request"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  vhost/scsi: Check LUN structure byte 0 is set to 1, per spec
  qla2xxx: Fix kernel panic on selective retransmission request
  Target/sbc: Don't use sg as iterator in sbc_verify_read
  target: Add DIF sense codes in transport_generic_request_failure
  target/sbc: Fix sbc_dif_copy_prot addr offset bug
  tcm_qla2xxx: Fix NAA formatted name for NPIV WWPNs
  tcm_qla2xxx: Perform configfs depend/undepend for base_tpg
  tcm_qla2xxx: Add NPIV specific enable/disable attribute logic
  qla2xxx: Check + fail when npiv_vports_inuse exists in shutdown
  qla2xxx: Fix qlt_lport_register base_vha callback race
2014-03-01 21:33:09 -06:00
Linus Torvalds
3750c14022 Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dma fixes from Vinod Koul:
 "This request brings you two small fixes.  First one for fixing
  dereference of freed descriptor and second for fixing sdma bindings
  for it to work for imx25.

  I was planning to send this about 10days ago but then I had to proceed
  on my paternity leave and didnt get chance to send this.  Now got a
  bit of time from dady duties :)"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dma: sdma: Add imx25 compatible
  dma: ste_dma40: don't dereference free:d descriptor
2014-03-01 21:30:43 -06:00
Linus Torvalds
751a03c372 ACPI and power management fixes for 3.14-rc5
- One of the recent intel_pstate driver fixes introduced a rounding
    error that on some systems causes the frequency to be stuck at the
    lowest level forever.  Fix from Dirk Brandewie.
 
  - The firmware_class driver's PM notifier doesn't handle the
    PM_RESTORE_PREPARE event during hibernation image restore and that
    leads to a deadlock on umhelper_sem in __usermodehelper_disable().
    Fix from Sebastian Capella.
 
  - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
    nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
    among other things.  Fix from Lan Tianyu.
 
 /
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Merge tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These three commits fix a recent intel_pstate regression and two old
  bugs that should be fixed in -stable too, one in the ACPI processor
  driver and one in the firmare loader.

  Specifics:

   - One of the recent intel_pstate driver fixes introduced a rounding
     error that on some systems causes the frequency to be stuck at the
     lowest level forever.  Fix from Dirk Brandewie.

   - The firmware_class driver's PM notifier doesn't handle the
     PM_RESTORE_PREPARE event during hibernation image restore and that
     leads to a deadlock on umhelper_sem in __usermodehelper_disable().
     Fix from Sebastian Capella.

   - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
     nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
     among other things.  Fix from Lan Tianyu"

* tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / processor: Rework processor throttling with work_on_cpu()
  PM / hibernate: Fix restore hang in freeze_processes()
  intel_pstate: Change busy calculation to use fixed point math.
2014-03-01 21:28:38 -06:00
Ingo Molnar
af76815a31 perf/urgent build fixes:
. Problem on recent gcc on x86-32 related to strict alias issue for
   find_first_bit (Jiri Olsa).
 
 . OpenSuSE: BFD detection problems related to not explicitely listing all
   required libraries (Andi Kleen)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent build fixes for certain distro environments, from Arnaldo Carvalho de Melo:

  * Problem on recent gcc on x86-32 related to strict alias issue for
    find_first_bit (Jiri Olsa).

  * OpenSuSE: BFD detection problems related to not explicitely listing all
    required libraries (Andi Kleen)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-03-01 10:13:25 +01:00
Greg Kroah-Hartman
d3dae4ad18 Fourth set of IIO fixes for the 3.14 kernel.
A single line patch fixing a regression that was introduced in 3.13 in the
 reworking of the mxs touch screen and ADC drivers to be interrupt rather
 than polling driven.  It resulted in a stray double reporting of the release
 coordinate in the touch screen driver.  The bug lay in the adc side
 of the driver which left the statemachine in the wrong state.
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Merge tag 'fixes-for-3.14d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

Fourth set of IIO fixes for the 3.14 kernel.

A single line patch fixing a regression that was introduced in 3.13 in the
reworking of the mxs touch screen and ADC drivers to be interrupt rather
than polling driven.  It resulted in a stray double reporting of the release
coordinate in the touch screen driver.  The bug lay in the adc side
of the driver which left the statemachine in the wrong state.
2014-02-28 17:08:03 -08:00
Russell King
8427defd08 MAINTAINERS: add maintainer entry for Armada DRM driver
Add a maintainers entry for the Armada DRM driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-28 16:57:40 -06:00
Ivan Vecera
877767dccf bna: fix vlan tag stripping and implement its toggling
The recent commit "fe1624c bna: RX Filter Enhancements" disables
VLAN tag stripping if the NIC is in promiscuous mode. This causes
__vlan_hwaccel_put_tag() is called when the stripping is disabled.
Because of this VLAN over bna does not work and causes BUGs in conjunction
with openvswitch like this:
Reviewed-by: Jiri Pirko <jiri@resnulli.us>

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:17:38 -05:00
Michael Chan
d7b95315cc tg3: Don't check undefined error bits in RXBD
Redefine the RXD_ERR_MASK to include only relevant error bits. This fixes
a customer reported issue of randomly dropping packets on the 5719.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:16:16 -05:00
David S. Miller
750f679cfc Merge branch '6lowpan'
Alexander Aring says:

====================
6lowpan: reimplementation of fragmentation handling

this patch series reimplementation the fragmentation handling of 6lowpan
accroding to rfc4944 [1].

The first big note is, that the current fragmentation behaviour isn't rfc
complaint. The main issue is a wrong datagram_size value which needs to be:
datagram_size = ipv6_payload + ipv6 header + (maybe compressed transport header,
                currently only udp is supported)

but the current datagram_size value is calculated as:
datagram_size = ipv6_payload

Fragmentation work in a linux<->linux communication only.

Why reimplementation?

I reimplemted the reassembly side only. The current behaviour is to allocate a
skb with the reassembled size and hold all fragments in a list, protected by a
spinlock. After we received all fragments (detected by the sum of all fragments,
it begins to place all fragments into the allocated skb).

This reassembly implementation has some race condition. Additional I make it more
rfc complaint. The current implementation match on the tag value inside the frag
header only, but rfc4944 says we need to match on dst addr(mac), src addr(mac),
tag value, datagram_size value. [2]

The new reassembly handling use the inet_frag api (I mean the callback interface
of ipv6 and ipv4 reassembly). I looked into ipv6 and wanted to see how ipv6 is
dealing with reassembly, so I based my code on this implementation.

On the sending side to generate the fragments I improved the current code to use
the nearest 8 divided payload. (We can do that, because the mac layer has a
dynamic size, so it depends on mac_header how big we can do the payload).

Of course I fix also the reassembly/sending side to be rfc complaint now.

Regards
Alexander Aring

[1] http://tools.ietf.org/html/rfc4944
[2] http://tools.ietf.org/html/rfc4944#section-5.3

changes since v2:
 - rework checkpatch code style issue patch.
   Merge two pr_debugs into one pr_debug.

changes since v3:
 - rename 6lowpan.ko to 6lowpan_rtnl.c in commit msg of patch 5/8.

changes since v4:
 - Add a new patch 2/8 to introduce lowpan_uncompress_size function. Also
   improving this function a little bit.
 - Add a new patch 4/8 to change tag value to __be16.
 - use skb_header_reset function on FRAG1 only, which should have the
   lowpan header. See lowpan_get_frag_info function. (slightly improving
   of fragmentation header parsing).
 - changes types of variables to u16 in lowpan_skb_fragmentation.
 - use lowpan_uncompress_size instead of storing necessary information
   in skb control block, this can be destroyed after dev_queue_xmit call.
   Thanks David for this hint.
 - remove Tested-by: Martin Townsend <martin.townsend@xsilon.com>, because
   too many funcionality change.

changes since v5:
 - handle lowpan_addr_mode_size with lookup table.

changes since v6:
 - remove unnecessary parameter in lowpan_frag_queue.
 - fix commit message in patch 8/8 which included a describtion of adding the
   lownpan_uncompress_size function. This was splitted in a seperate patch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:32 -05:00
Alexander Aring
7240cdec60 6lowpan: handling 6lowpan fragmentation via inet_frag api
This patch drops the current way of 6lowpan fragmentation on receiving
side and replace it with a implementation which use the inet_frag api.
The old fragmentation handling has some race conditions and isn't
rfc4944 compatible. Also adding support to match fragments on
destination address, source address, tag value and datagram_size
which is missing in the current implementation.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:22 -05:00
Alexander Aring
633fc86ff6 net: ns: add ieee802154_6lowpan namespace
This patch adds necessary ieee802154 6lowpan namespace to provide the
inet_frag information. This is a initial support for handling 6lowpan
fragmentation with the inet_frag api.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:22 -05:00
Alexander Aring
d57fec84fb 6lowpan: fix some checkpatch issues
Detected with:

./scripts/checkpatch.pl --strict -f net/ieee802154/6lowpan_rtnl.c

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:22 -05:00
Alexander Aring
01348b3448 6lowpan: move 6lowpan.c to 6lowpan_rtnl.c
We have a 6lowpan.c file and 6lowpan.ko file. To avoid confusing we
should move 6lowpan.c to 6lowpan_rtnl.c. Then we can support multiple
source files for 6lowpan module.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00
Alexander Aring
02600d0de6 6lowpan: change tag type to __be16
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00
Alexander Aring
96cb3eb7a1 6lowpan: fix fragmentation on sending side
This patch fix the fragmentation on sending side according to rfc4944.

Also add improvement to use the full payload of a PDU which calculate
the nearest divided to 8 payload length for the fragmentation datagram
size attribute.

The main issue is that the datagram size of fragmentation header use the
ipv6 payload length, but rfc4944 says it's the ipv6 payload length inclusive
network header size (and transport header size if compressed).

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00
Alexander Aring
349aa7bc29 6lowpan: add uncompress header size function
This patch add a lookup function for uncompressed 6LoWPAN header
size. This is needed to estimate the real size after uncompress the
6LoWPAN header.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00
Alexander Aring
89745c9c41 6lowpan: add frag information struct
This patch adds a 6lowpan fragmentation struct into cb of skb which
is necessary to hold fragmentation information.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 17:05:21 -05:00
Jingoo Han
4e76ca7f3e net: w5100: Use devm_ioremap_resource()
Use devm_ioremap_resource() in order to make the code simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 16:57:24 -05:00
Jingoo Han
d1b44ce1a3 net: w5300: Use devm_ioremap_resource()
Use devm_ioremap_resource() in order to make the code simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 16:57:24 -05:00
Daniel Borkmann
52f1454f62 packet: allow to transmit +4 byte in TX_RING slot for VLAN case
Commit 57f89bfa21 ("network: Allow af_packet to transmit +4 bytes
for VLAN packets.") added the possibility for non-mmaped frames to
send extra 4 byte for VLAN header so the MTU increases from 1500 to
1504 byte, for example.

Commit cbd89acb9e ("af_packet: fix for sending VLAN frames via
packet_mmap") attempted to fix that for the mmap part but was
reverted as it caused regressions while using eth_type_trans()
on output path.

Lets just act analogous to 57f89bfa21 and add a similar logic
to TX_RING. We presume size_max as overcharged with +4 bytes and
later on after skb has been built by tpacket_fill_skb() check
for ETH_P_8021Q header on packets larger than normal MTU. Can
be easily reproduced with a slightly modified trafgen in mmap(2)
mode, test cases:

 { fill(0xff, 12) const16(0x8100) fill(0xff, <1504|1505>) }
 { fill(0xff, 12) const16(0x0806) fill(0xff, <1500|1501>) }

Note that we need to do the test right after tpacket_fill_skb()
as sockets can have PACKET_LOSS set where we would not fail but
instead just continue to traverse the ring.

Reported-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Ben Greear <greearb@candelatech.com>
Cc: Phil Sutter <phil@nwl.cc>
Tested-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 16:52:02 -05:00
Linus Torvalds
ebb7c1971a A few dm-cache fixes, an invalid ioctl handling fix for dm multipath, a
couple immutable biovec fixups for dm mirror, and a few dm-thin fixes.
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Merge tag 'dm-3.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:
 "A few dm-cache fixes, an invalid ioctl handling fix for dm multipath,
  a couple immutable biovec fixups for dm mirror, and a few dm-thin
  fixes.

  There will likely be additional dm-thin metadata and data resize fixes
  to include in 3.14-rc6 next week.

  Note to stable-minded folks: Immutable biovecs were introduced in
  3.14, so the related fixups for dm mirror are not needed in stable@
  kernels"

* tag 'dm-3.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache: fix truncation bug when mapping I/O to >2TB fast device
  dm thin: allow metadata space larger than supported to go unused
  dm mpath: fix stalls when handling invalid ioctls
  dm thin: fix the error path for the thin device constructor
  dm raid1: fix immutable biovec related BUG when retrying read bio
  dm io: fix I/O to multiple destinations
  dm thin: avoid metadata commit if a pool's thin devices haven't changed
  dm cache: do not add migration to completed list before unhooking bio
  dm cache: move hook_info into common portion of per_bio_data structure
2014-02-28 11:53:33 -08:00
Linus Torvalds
7aa483554d sound fixes for 3.14-rc5
It's a bad habit to get a higher volume of fixes often lately, but
 things happen again.  All commits found here are real bug fixes,
 and are mostly trivial.  Most of changes in ASoC are the fixes for
 enum items due to the wrong API usages, in addition to a few DAPM
 mutex deadlock and other fixes.  In HD-audio, only fixups for HP
 laptops.  Although diffstat shows much, the changes are simple:
 there are just so many different device entries there.
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Merge tag 'sound-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "It's a bad habit to get a higher volume of fixes often lately, but
  things happen again.

  All commits found here are real bug fixes, and are mostly trivial.
  Most of changes in ASoC are the fixes for enum items due to the wrong
  API usages, in addition to a few DAPM mutex deadlock and other fixes.
  In HD-audio, only fixups for HP laptops.  Although diffstat shows
  much, the changes are simple: there are just so many different device
  entries there"

* tag 'sound-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: sta32x: Fix wrong enum for limiter2 release rate
  ASoC: da732x: Mark DC offset control registers volatile
  ALSA: hda/realtek - Add more entry for enable HP mute led
  ALSA: hda - Add a fixup for HP Folio 13 mute LED
  ASoC: wm8958-dsp: Fix firmware block loading
  ASoC: sta32x: Fix cache sync
  ALSA: hda/realtek - Add more entry for enable HP mute led
  ASoC: dapm: Add locking to snd_soc_dapm_xxxx_pin functions
  Input - arizona-haptics: Fix double lock of dapm_mutex
  ASoC: wm8400: Fix the wrong number of enum items
  ASoC: isabelle: Fix the wrong number of items in enum ctls
  ASoC: ad1980: Fix wrong number of items for capture source
  ASoC: wm8994: Fix the wrong number of enum items
  ASoC: wm8900: Fix the wrong number of enum items
  ASoC: wm8770: Fix wrong number of enum items
  ASoC: sta32x: Fix array access overflow
  ASoC: dapm: Correct regulator bypass error messages
2014-02-28 11:50:32 -08:00
Linus Torvalds
04b5225216 Two reference counting fixes for two Intel EDAC drivers.
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Merge tag 'edac_fixes_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC fixes from Borislav Petkov:
 "Two fixes below for PCI devices disappearing when a reference count
  underflow happens after a couple of insmod/rmmod cycles in succession"

* tag 'edac_fixes_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  i7300_edac: Fix device reference count
  i7core_edac: Fix PCI device reference count
2014-02-28 11:49:09 -08:00
Linus Torvalds
d8efcf38b1 Three x86 fixes and one for ARM/ARM64. In particular, nested
virtualization on Intel is broken in 3.13 and fixed by this
 pull request.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Three x86 fixes and one for ARM/ARM64.

  In particular, nested virtualization on Intel is broken in 3.13 and
  fixed by this pull request"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm, vmx: Really fix lazy FPU on nested guest
  kvm: x86: fix emulator buffer overflow (CVE-2014-0049)
  arm/arm64: KVM: detect CPU reset on CPU_PM_EXIT
  KVM: MMU: drop read-only large sptes when creating lower level sptes
2014-02-28 11:45:03 -08:00
Linus Torvalds
78d9e93440 - !CONFIG_SMP build fix
- pte bit testing macros conversion fix (int truncates top bits of long)
 - stack unwinding PC calculation fix
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull ARM64 fixes from Catalin Marinas:
 - !CONFIG_SMP build fix
 - pte bit testing macros conversion fix (int truncates top bits of
   long)
 - stack unwinding PC calculation fix

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Fix !CONFIG_SMP kernel build
  arm64: mm: Add double logical invert to pte accessors
  ARM64: unwind: Fix PC calculation
2014-02-28 11:43:42 -08:00
Linus Torvalds
f94def7602 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
 "Here are a few more powerpc fixes for 3.14.

  Most of these are also CC'ed to stable and fix bugs in new
  functionality introduced in the last 2 or 3 versions"

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/powernv: Fix indirect XSCOM unmangling
  powerpc/powernv: Fix opal_xscom_{read,write} prototype
  powerpc/powernv: Refactor PHB diag-data dump
  powerpc/powernv: Dump PHB diag-data immediately
  powerpc: Increase stack redzone for 64-bit userspace to 512 bytes
  powerpc/ftrace: bugfix for test_24bit_addr
  powerpc/crashdump : Fix page frame number check in copy_oldmem_page
  powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly
2014-02-28 11:42:33 -08:00
Bing Zhao
adb07df1e0 mwifiex: do not advertise usb autosuspend support
As many Surface Pro I & II users have found out, the mwifiex_usb
doesn't support usb autosuspend, and it has caused some system
stability issues.

Bug 69661 - mwifiex_usb on MS Surface Pro 1 is unstable
Bug 60815 - Interface hangs in mwifiex_usb
Bug 64111 - mwifiex_usb USB8797 crash failed to get signal
 	    information

USB autosuspend get triggered when Surface Pro's AC power is
removed or powertop enables power saving on USB8797 device.
Driver's suspend handler is called here, but resume handler
won't be called until the AC power is put back on or powertop
disables power saving for USB8797.

We need to refactor the suspend/resume handlers to support
usb autosuspend properly. For now let's just remove it.

Cc: <stable@vger.kernel.org> # 3.5+
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-28 13:48:01 -05:00
John W. Linville
b95eddbb90 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 2014-02-28 13:42:54 -05:00
John W. Linville
5e038890b6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes 2014-02-28 13:42:02 -05:00
David S. Miller
07cb1c175e Merge branch 'intel-next'
Aaron Brown says:

====================
This series contains updates to ixgbe and ixgbevf.

Don provides an update to change a hard coded timeout interval to
a system-wide timeout one, collects AUTOC register functions into
one place and fixes some firmware bit handling.

Emil resolves a tx handling error introduced in a recent commit and
adds check for CHECKSUM_PARTIAL to avoid an skb_is_gso check
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 12:42:13 -05:00
Emil Tantilov
01a545cf21 ixgbevf: add check for CHECKSUM_PARTIAL when doing TSO
This patch adds check for CHECKSUM_PARTIAL to avoid the skb_is_gso check
in ixgbevf_tso(). It should reduce overhead for workloads that are not using
TSO or checksum offloads. It is the same as in ixgbe.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 12:40:57 -05:00
Emil Tantilov
b5d217f3a7 ixgbevf: fix handling of tx checksumming
This patch resolves an issue introduced by:
commit 7ad1a09351
ixgbevf: make the first tx_buffer a repository for most of the skb info

Incorrect check for the result of ixgbevf_tso() can lead to calling
ixgbevf_tx_csum() which can spawn 2 context descriptors and result in
performance degradation and/or corrupted packets.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28 12:40:57 -05:00